tristate
select FW_LOADER
+config BT_MTK
+ tristate
+ select FW_LOADER
+
config BT_HCIBTUSB
tristate "HCI USB driver"
depends on USB
config BT_HCIBTUSB_MTK
bool "MediaTek protocol support"
depends on BT_HCIBTUSB
+ select BT_MTK
default n
help
The MediaTek protocol support enables firmware download
config BT_MTKSDIO
tristate "MediaTek HCI SDIO driver"
depends on MMC
+ select BT_MTK
help
MediaTek Bluetooth HCI SDIO driver.
This driver is required if you want to use MediaTek Bluetooth
obj-$(CONFIG_BT_BCM) += btbcm.o
obj-$(CONFIG_BT_RTL) += btrtl.o
obj-$(CONFIG_BT_QCA) += btqca.o
+obj-$(CONFIG_BT_MTK) += btmtk.o
obj-$(CONFIG_BT_VIRTIO) += virtio_bt.o
data->bulk_out_ep = bulk_out_ep->desc.bEndpointAddress;
data->bulk_pkt_size = le16_to_cpu(bulk_out_ep->desc.wMaxPacketSize);
+ if (!data->bulk_pkt_size)
+ goto done;
+
rwlock_init(&data->lock);
data->reassembly = NULL;
if (ver->img_type == 0x03) {
btintel_clear_flag(hdev, INTEL_BOOTLOADER);
btintel_check_bdaddr(hdev);
- }
-
- /* If the OTP has no valid Bluetooth device address, then there will
- * also be no valid address for the operational firmware.
- */
- if (!bacmp(&ver->otp_bd_addr, BDADDR_ANY)) {
- bt_dev_info(hdev, "No device address configured");
- set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
+ } else {
+ /*
+ * Check for valid bd address in boot loader mode. Device
+ * will be marked as unconfigured if empty bd address is
+ * found.
+ */
+ if (!bacmp(&ver->otp_bd_addr, BDADDR_ANY)) {
+ bt_dev_info(hdev, "No device address configured");
+ set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
+ }
}
btintel_get_fw_name_tlv(ver, fwname, sizeof(fwname), "sfi");
goto exit_error;
}
+ /* memset ver_tlv to start with clean state as few fields are exclusive
+ * to bootloader mode and are not populated in operational mode
+ */
+ memset(&ver_tlv, 0, sizeof(ver_tlv));
/* For TLV type device, parse the tlv data */
err = btintel_parse_version_tlv(hdev, &ver_tlv, skb);
if (err) {
-/**
+/*
* Marvell Bluetooth driver
*
* Copyright (C) 2009, Marvell International Ltd.
--- /dev/null
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2021 MediaTek Inc.
+ *
+ */
+#include <linux/module.h>
+#include <linux/firmware.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#include "btmtk.h"
+
+#define VERSION "0.1"
+
+/* It is for mt79xx download rom patch*/
+#define MTK_FW_ROM_PATCH_HEADER_SIZE 32
+#define MTK_FW_ROM_PATCH_GD_SIZE 64
+#define MTK_FW_ROM_PATCH_SEC_MAP_SIZE 64
+#define MTK_SEC_MAP_COMMON_SIZE 12
+#define MTK_SEC_MAP_NEED_SEND_SIZE 52
+
+struct btmtk_patch_header {
+ u8 datetime[16];
+ u8 platform[4];
+ __le16 hwver;
+ __le16 swver;
+ __le32 magicnum;
+} __packed;
+
+struct btmtk_global_desc {
+ __le32 patch_ver;
+ __le32 sub_sys;
+ __le32 feature_opt;
+ __le32 section_num;
+} __packed;
+
+struct btmtk_section_map {
+ __le32 sectype;
+ __le32 secoffset;
+ __le32 secsize;
+ union {
+ __le32 u4SecSpec[13];
+ struct {
+ __le32 dlAddr;
+ __le32 dlsize;
+ __le32 seckeyidx;
+ __le32 alignlen;
+ __le32 sectype;
+ __le32 dlmodecrctype;
+ __le32 crc;
+ __le32 reserved[6];
+ } bin_info_spec;
+ };
+} __packed;
+
+int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
+ wmt_cmd_sync_func_t wmt_cmd_sync)
+{
+ struct btmtk_hci_wmt_params wmt_params;
+ struct btmtk_global_desc *globaldesc = NULL;
+ struct btmtk_section_map *sectionmap;
+ const struct firmware *fw;
+ const u8 *fw_ptr;
+ const u8 *fw_bin_ptr;
+ int err, dlen, i, status;
+ u8 flag, first_block, retry;
+ u32 section_num, dl_size, section_offset;
+ u8 cmd[64];
+
+ err = request_firmware(&fw, fwname, &hdev->dev);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
+ return err;
+ }
+
+ fw_ptr = fw->data;
+ fw_bin_ptr = fw_ptr;
+ globaldesc = (struct btmtk_global_desc *)(fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE);
+ section_num = le32_to_cpu(globaldesc->section_num);
+
+ for (i = 0; i < section_num; i++) {
+ first_block = 1;
+ fw_ptr = fw_bin_ptr;
+ sectionmap = (struct btmtk_section_map *)(fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE +
+ MTK_FW_ROM_PATCH_GD_SIZE + MTK_FW_ROM_PATCH_SEC_MAP_SIZE * i);
+
+ section_offset = le32_to_cpu(sectionmap->secoffset);
+ dl_size = le32_to_cpu(sectionmap->bin_info_spec.dlsize);
+
+ if (dl_size > 0) {
+ retry = 20;
+ while (retry > 0) {
+ cmd[0] = 0; /* 0 means legacy dl mode. */
+ memcpy(cmd + 1,
+ fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE +
+ MTK_FW_ROM_PATCH_GD_SIZE +
+ MTK_FW_ROM_PATCH_SEC_MAP_SIZE * i +
+ MTK_SEC_MAP_COMMON_SIZE,
+ MTK_SEC_MAP_NEED_SEND_SIZE + 1);
+
+ wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
+ wmt_params.status = &status;
+ wmt_params.flag = 0;
+ wmt_params.dlen = MTK_SEC_MAP_NEED_SEND_SIZE + 1;
+ wmt_params.data = &cmd;
+
+ err = wmt_cmd_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
+ err);
+ goto err_release_fw;
+ }
+
+ if (status == BTMTK_WMT_PATCH_UNDONE) {
+ break;
+ } else if (status == BTMTK_WMT_PATCH_PROGRESS) {
+ msleep(100);
+ retry--;
+ } else if (status == BTMTK_WMT_PATCH_DONE) {
+ goto next_section;
+ } else {
+ bt_dev_err(hdev, "Failed wmt patch dwnld status (%d)",
+ status);
+ goto err_release_fw;
+ }
+ }
+
+ fw_ptr += section_offset;
+ wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
+ wmt_params.status = NULL;
+
+ while (dl_size > 0) {
+ dlen = min_t(int, 250, dl_size);
+ if (first_block == 1) {
+ flag = 1;
+ first_block = 0;
+ } else if (dl_size - dlen <= 0) {
+ flag = 3;
+ } else {
+ flag = 2;
+ }
+
+ wmt_params.flag = flag;
+ wmt_params.dlen = dlen;
+ wmt_params.data = fw_ptr;
+
+ err = wmt_cmd_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
+ err);
+ goto err_release_fw;
+ }
+
+ dl_size -= dlen;
+ fw_ptr += dlen;
+ }
+ }
+next_section:
+ continue;
+ }
+ /* Wait a few moments for firmware activation done */
+ usleep_range(100000, 120000);
+
+err_release_fw:
+ release_firmware(fw);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(btmtk_setup_firmware_79xx);
+
+int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
+ wmt_cmd_sync_func_t wmt_cmd_sync)
+{
+ struct btmtk_hci_wmt_params wmt_params;
+ const struct firmware *fw;
+ const u8 *fw_ptr;
+ size_t fw_size;
+ int err, dlen;
+ u8 flag, param;
+
+ err = request_firmware(&fw, fwname, &hdev->dev);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
+ return err;
+ }
+
+ /* Power on data RAM the firmware relies on. */
+ param = 1;
+ wmt_params.op = BTMTK_WMT_FUNC_CTRL;
+ wmt_params.flag = 3;
+ wmt_params.dlen = sizeof(param);
+ wmt_params.data = ¶m;
+ wmt_params.status = NULL;
+
+ err = wmt_cmd_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to power on data RAM (%d)", err);
+ goto err_release_fw;
+ }
+
+ fw_ptr = fw->data;
+ fw_size = fw->size;
+
+ /* The size of patch header is 30 bytes, should be skip */
+ if (fw_size < 30) {
+ err = -EINVAL;
+ goto err_release_fw;
+ }
+
+ fw_size -= 30;
+ fw_ptr += 30;
+ flag = 1;
+
+ wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
+ wmt_params.status = NULL;
+
+ while (fw_size > 0) {
+ dlen = min_t(int, 250, fw_size);
+
+ /* Tell device the position in sequence */
+ if (fw_size - dlen <= 0)
+ flag = 3;
+ else if (fw_size < fw->size - 30)
+ flag = 2;
+
+ wmt_params.flag = flag;
+ wmt_params.dlen = dlen;
+ wmt_params.data = fw_ptr;
+
+ err = wmt_cmd_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
+ err);
+ goto err_release_fw;
+ }
+
+ fw_size -= dlen;
+ fw_ptr += dlen;
+ }
+
+ wmt_params.op = BTMTK_WMT_RST;
+ wmt_params.flag = 4;
+ wmt_params.dlen = 0;
+ wmt_params.data = NULL;
+ wmt_params.status = NULL;
+
+ /* Activate funciton the firmware providing to */
+ err = wmt_cmd_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send wmt rst (%d)", err);
+ goto err_release_fw;
+ }
+
+ /* Wait a few moments for firmware activation done */
+ usleep_range(10000, 12000);
+
+err_release_fw:
+ release_firmware(fw);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(btmtk_setup_firmware);
+
+int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+ struct sk_buff *skb;
+ long ret;
+
+ skb = __hci_cmd_sync(hdev, 0xfc1a, 6, bdaddr, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ ret = PTR_ERR(skb);
+ bt_dev_err(hdev, "changing Mediatek device address failed (%ld)",
+ ret);
+ return ret;
+ }
+ kfree_skb(skb);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btmtk_set_bdaddr);
+
+MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");
+MODULE_AUTHOR("Mark Chen <mark-yw.chen@mediatek.com>");
+MODULE_DESCRIPTION("Bluetooth support for MediaTek devices ver " VERSION);
+MODULE_VERSION(VERSION);
+MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(FIRMWARE_MT7663);
+MODULE_FIRMWARE(FIRMWARE_MT7668);
+MODULE_FIRMWARE(FIRMWARE_MT7961);
--- /dev/null
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2021 MediaTek Inc. */
+
+#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin"
+#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"
+#define FIRMWARE_MT7961 "mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin"
+
+#define HCI_WMT_MAX_EVENT_SIZE 64
+
+#define BTMTK_WMT_REG_READ 0x2
+
+enum {
+ BTMTK_WMT_PATCH_DWNLD = 0x1,
+ BTMTK_WMT_TEST = 0x2,
+ BTMTK_WMT_WAKEUP = 0x3,
+ BTMTK_WMT_HIF = 0x4,
+ BTMTK_WMT_FUNC_CTRL = 0x6,
+ BTMTK_WMT_RST = 0x7,
+ BTMTK_WMT_REGISTER = 0x8,
+ BTMTK_WMT_SEMAPHORE = 0x17,
+};
+
+enum {
+ BTMTK_WMT_INVALID,
+ BTMTK_WMT_PATCH_UNDONE,
+ BTMTK_WMT_PATCH_PROGRESS,
+ BTMTK_WMT_PATCH_DONE,
+ BTMTK_WMT_ON_UNDONE,
+ BTMTK_WMT_ON_DONE,
+ BTMTK_WMT_ON_PROGRESS,
+};
+
+struct btmtk_wmt_hdr {
+ u8 dir;
+ u8 op;
+ __le16 dlen;
+ u8 flag;
+} __packed;
+
+struct btmtk_hci_wmt_cmd {
+ struct btmtk_wmt_hdr hdr;
+ u8 data[];
+} __packed;
+
+struct btmtk_hci_wmt_evt {
+ struct hci_event_hdr hhdr;
+ struct btmtk_wmt_hdr whdr;
+} __packed;
+
+struct btmtk_hci_wmt_evt_funcc {
+ struct btmtk_hci_wmt_evt hwhdr;
+ __be16 status;
+} __packed;
+
+struct btmtk_hci_wmt_evt_reg {
+ struct btmtk_hci_wmt_evt hwhdr;
+ u8 rsv[2];
+ u8 num;
+ __le32 addr;
+ __le32 val;
+} __packed;
+
+struct btmtk_tci_sleep {
+ u8 mode;
+ __le16 duration;
+ __le16 host_duration;
+ u8 host_wakeup_pin;
+ u8 time_compensation;
+} __packed;
+
+struct btmtk_hci_wmt_params {
+ u8 op;
+ u8 flag;
+ u16 dlen;
+ const void *data;
+ u32 *status;
+};
+
+typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
+ struct btmtk_hci_wmt_params *);
+
+#if IS_ENABLED(CONFIG_BT_MTK)
+
+int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
+
+int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
+ wmt_cmd_sync_func_t wmt_cmd_sync);
+
+int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
+ wmt_cmd_sync_func_t wmt_cmd_sync);
+#else
+
+static inline int btmtk_set_bdaddr(struct hci_dev *hdev,
+ const bdaddr_t *bdaddr)
+{
+ return -EOPNOTSUPP;
+}
+
+static int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
+ wmt_cmd_sync_func_t wmt_cmd_sync)
+{
+ return -EOPNOTSUPP;
+}
+
+static int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
+ wmt_cmd_sync_func_t wmt_cmd_sync)
+{
+ return -EOPNOTSUPP;
+}
+
+#endif
#include <asm/unaligned.h>
#include <linux/atomic.h>
-#include <linux/firmware.h>
#include <linux/init.h>
#include <linux/iopoll.h>
#include <linux/kernel.h>
#include <net/bluetooth/hci_core.h>
#include "h4_recv.h"
+#include "btmtk.h"
#define VERSION "0.1"
-#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin"
-#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"
-
#define MTKBTSDIO_AUTOSUSPEND_DELAY 8000
static bool enable_autosuspend;
struct btmtksdio_data {
const char *fwname;
+ u16 chipid;
};
static const struct btmtksdio_data mt7663_data = {
.fwname = FIRMWARE_MT7663,
+ .chipid = 0x7663,
};
static const struct btmtksdio_data mt7668_data = {
.fwname = FIRMWARE_MT7668,
+ .chipid = 0x7668,
+};
+
+static const struct btmtksdio_data mt7921_data = {
+ .fwname = FIRMWARE_MT7961,
+ .chipid = 0x7921,
};
static const struct sdio_device_id btmtksdio_table[] = {
.driver_data = (kernel_ulong_t)&mt7663_data },
{SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, SDIO_DEVICE_ID_MEDIATEK_MT7668),
.driver_data = (kernel_ulong_t)&mt7668_data },
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, SDIO_DEVICE_ID_MEDIATEK_MT7961),
+ .driver_data = (kernel_ulong_t)&mt7921_data },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(sdio, btmtksdio_table);
#define MTK_REG_CRDR 0x1c
+#define MTK_REG_CRPLR 0x24
+
#define MTK_SDIO_BLOCK_SIZE 256
#define BTMTKSDIO_TX_WAIT_VND_EVT 1
-enum {
- MTK_WMT_PATCH_DWNLD = 0x1,
- MTK_WMT_TEST = 0x2,
- MTK_WMT_WAKEUP = 0x3,
- MTK_WMT_HIF = 0x4,
- MTK_WMT_FUNC_CTRL = 0x6,
- MTK_WMT_RST = 0x7,
- MTK_WMT_SEMAPHORE = 0x17,
-};
-
-enum {
- BTMTK_WMT_INVALID,
- BTMTK_WMT_PATCH_UNDONE,
- BTMTK_WMT_PATCH_DONE,
- BTMTK_WMT_ON_UNDONE,
- BTMTK_WMT_ON_DONE,
- BTMTK_WMT_ON_PROGRESS,
-};
-
struct mtkbtsdio_hdr {
__le16 len;
__le16 reserved;
u8 bt_type;
} __packed;
-struct mtk_wmt_hdr {
- u8 dir;
- u8 op;
- __le16 dlen;
- u8 flag;
-} __packed;
-
-struct mtk_hci_wmt_cmd {
- struct mtk_wmt_hdr hdr;
- u8 data[256];
-} __packed;
-
-struct btmtk_hci_wmt_evt {
- struct hci_event_hdr hhdr;
- struct mtk_wmt_hdr whdr;
-} __packed;
-
-struct btmtk_hci_wmt_evt_funcc {
- struct btmtk_hci_wmt_evt hwhdr;
- __be16 status;
-} __packed;
-
-struct btmtk_tci_sleep {
- u8 mode;
- __le16 duration;
- __le16 host_duration;
- u8 host_wakeup_pin;
- u8 time_compensation;
-} __packed;
-
-struct btmtk_hci_wmt_params {
- u8 op;
- u8 flag;
- u16 dlen;
- const void *data;
- u32 *status;
-};
-
struct btmtksdio_dev {
struct hci_dev *hdev;
struct sdio_func *func;
struct device *dev;
- struct work_struct tx_work;
+ struct work_struct txrx_work;
unsigned long tx_state;
struct sk_buff_head txq;
+ bool hw_tx_ready;
struct sk_buff *evt_skb;
{
struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc;
+ struct btmtk_hci_wmt_evt_reg *wmt_evt_reg;
u32 hlen, status = BTMTK_WMT_INVALID;
struct btmtk_hci_wmt_evt *wmt_evt;
- struct mtk_hci_wmt_cmd wc;
- struct mtk_wmt_hdr *hdr;
+ struct btmtk_hci_wmt_cmd *wc;
+ struct btmtk_wmt_hdr *hdr;
int err;
+ /* Send the WMT command and wait until the WMT event returns */
hlen = sizeof(*hdr) + wmt_params->dlen;
if (hlen > 255)
return -EINVAL;
- hdr = (struct mtk_wmt_hdr *)&wc;
+ wc = kzalloc(hlen, GFP_KERNEL);
+ if (!wc)
+ return -ENOMEM;
+
+ hdr = &wc->hdr;
hdr->dir = 1;
hdr->op = wmt_params->op;
hdr->dlen = cpu_to_le16(wmt_params->dlen + 1);
hdr->flag = wmt_params->flag;
- memcpy(wc.data, wmt_params->data, wmt_params->dlen);
+ memcpy(wc->data, wmt_params->data, wmt_params->dlen);
set_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state);
- err = __hci_cmd_send(hdev, 0xfc6f, hlen, &wc);
+ err = __hci_cmd_send(hdev, 0xfc6f, hlen, wc);
if (err < 0) {
clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state);
- return err;
+ goto err_free_wc;
}
/* The vendor specific WMT commands are all answered by a vendor
if (err == -EINTR) {
bt_dev_err(hdev, "Execution of wmt command interrupted");
clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state);
- return err;
+ goto err_free_wc;
}
if (err) {
bt_dev_err(hdev, "Execution of wmt command timed out");
clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state);
- return -ETIMEDOUT;
+ err = -ETIMEDOUT;
+ goto err_free_wc;
}
/* Parse and handle the return WMT event */
}
switch (wmt_evt->whdr.op) {
- case MTK_WMT_SEMAPHORE:
+ case BTMTK_WMT_SEMAPHORE:
if (wmt_evt->whdr.flag == 2)
status = BTMTK_WMT_PATCH_UNDONE;
else
status = BTMTK_WMT_PATCH_DONE;
break;
- case MTK_WMT_FUNC_CTRL:
+ case BTMTK_WMT_FUNC_CTRL:
wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt;
if (be16_to_cpu(wmt_evt_funcc->status) == 0x404)
status = BTMTK_WMT_ON_DONE;
else
status = BTMTK_WMT_ON_UNDONE;
break;
+ case BTMTK_WMT_PATCH_DWNLD:
+ if (wmt_evt->whdr.flag == 2)
+ status = BTMTK_WMT_PATCH_DONE;
+ else if (wmt_evt->whdr.flag == 1)
+ status = BTMTK_WMT_PATCH_PROGRESS;
+ else
+ status = BTMTK_WMT_PATCH_UNDONE;
+ break;
+ case BTMTK_WMT_REGISTER:
+ wmt_evt_reg = (struct btmtk_hci_wmt_evt_reg *)wmt_evt;
+ if (le16_to_cpu(wmt_evt->whdr.dlen) == 12)
+ status = le32_to_cpu(wmt_evt_reg->val);
+ break;
}
if (wmt_params->status)
err_free_skb:
kfree_skb(bdev->evt_skb);
bdev->evt_skb = NULL;
+err_free_wc:
+ kfree(wc);
return err;
}
sdio_hdr->reserved = cpu_to_le16(0);
sdio_hdr->bt_type = hci_skb_pkt_type(skb);
+ bdev->hw_tx_ready = false;
err = sdio_writesb(bdev->func, MTK_REG_CTDR, skb->data,
round_up(skb->len, MTK_SDIO_BLOCK_SIZE));
if (err < 0)
return sdio_readl(bdev->func, MTK_REG_CHLPCR, NULL);
}
-static void btmtksdio_tx_work(struct work_struct *work)
-{
- struct btmtksdio_dev *bdev = container_of(work, struct btmtksdio_dev,
- tx_work);
- struct sk_buff *skb;
- int err;
-
- pm_runtime_get_sync(bdev->dev);
-
- sdio_claim_host(bdev->func);
-
- while ((skb = skb_dequeue(&bdev->txq))) {
- err = btmtksdio_tx_packet(bdev, skb);
- if (err < 0) {
- bdev->hdev->stat.err_tx++;
- skb_queue_head(&bdev->txq, skb);
- break;
- }
- }
-
- sdio_release_host(bdev->func);
-
- pm_runtime_mark_last_busy(bdev->dev);
- pm_runtime_put_autosuspend(bdev->dev);
-}
-
static int btmtksdio_recv_event(struct hci_dev *hdev, struct sk_buff *skb)
{
struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
return err;
}
-static void btmtksdio_interrupt(struct sdio_func *func)
+static void btmtksdio_txrx_work(struct work_struct *work)
{
- struct btmtksdio_dev *bdev = sdio_get_drvdata(func);
- u32 int_status;
- u16 rx_size;
-
- /* It is required that the host gets ownership from the device before
- * accessing any register, however, if SDIO host is not being released,
- * a potential deadlock probably happens in a circular wait between SDIO
- * IRQ work and PM runtime work. So, we have to explicitly release SDIO
- * host here and claim again after the PM runtime work is all done.
- */
- sdio_release_host(bdev->func);
+ struct btmtksdio_dev *bdev = container_of(work, struct btmtksdio_dev,
+ txrx_work);
+ unsigned long txrx_timeout;
+ u32 int_status, rx_size;
+ struct sk_buff *skb;
+ int err;
pm_runtime_get_sync(bdev->dev);
sdio_claim_host(bdev->func);
/* Disable interrupt */
- sdio_writel(func, C_INT_EN_CLR, MTK_REG_CHLPCR, NULL);
-
- int_status = sdio_readl(func, MTK_REG_CHISR, NULL);
-
- /* Ack an interrupt as soon as possible before any operation on
- * hardware.
- *
- * Note that we don't ack any status during operations to avoid race
- * condition between the host and the device such as it's possible to
- * mistakenly ack RX_DONE for the next packet and then cause interrupts
- * not be raised again but there is still pending data in the hardware
- * FIFO.
- */
- sdio_writel(func, int_status, MTK_REG_CHISR, NULL);
+ sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, 0);
+
+ txrx_timeout = jiffies + 5 * HZ;
+
+ do {
+ int_status = sdio_readl(bdev->func, MTK_REG_CHISR, NULL);
+
+ /* Ack an interrupt as soon as possible before any operation on
+ * hardware.
+ *
+ * Note that we don't ack any status during operations to avoid race
+ * condition between the host and the device such as it's possible to
+ * mistakenly ack RX_DONE for the next packet and then cause interrupts
+ * not be raised again but there is still pending data in the hardware
+ * FIFO.
+ */
+ sdio_writel(bdev->func, int_status, MTK_REG_CHISR, NULL);
+
+ if (int_status & FW_OWN_BACK_INT)
+ bt_dev_dbg(bdev->hdev, "Get fw own back");
+
+ if (int_status & TX_EMPTY)
+ bdev->hw_tx_ready = true;
+ else if (unlikely(int_status & TX_FIFO_OVERFLOW))
+ bt_dev_warn(bdev->hdev, "Tx fifo overflow");
+
+ if (bdev->hw_tx_ready) {
+ skb = skb_dequeue(&bdev->txq);
+ if (skb) {
+ err = btmtksdio_tx_packet(bdev, skb);
+ if (err < 0) {
+ bdev->hdev->stat.err_tx++;
+ skb_queue_head(&bdev->txq, skb);
+ }
+ }
+ }
- if (unlikely(!int_status))
- bt_dev_err(bdev->hdev, "CHISR is 0");
+ if (int_status & RX_DONE_INT) {
+ rx_size = sdio_readl(bdev->func, MTK_REG_CRPLR, NULL);
+ rx_size = (rx_size & RX_PKT_LEN) >> 16;
+ if (btmtksdio_rx_packet(bdev, rx_size) < 0)
+ bdev->hdev->stat.err_rx++;
+ }
+ } while (int_status || time_is_before_jiffies(txrx_timeout));
- if (int_status & FW_OWN_BACK_INT)
- bt_dev_dbg(bdev->hdev, "Get fw own back");
+ /* Enable interrupt */
+ sdio_writel(bdev->func, C_INT_EN_SET, MTK_REG_CHLPCR, 0);
- if (int_status & TX_EMPTY)
- schedule_work(&bdev->tx_work);
- else if (unlikely(int_status & TX_FIFO_OVERFLOW))
- bt_dev_warn(bdev->hdev, "Tx fifo overflow");
+ sdio_release_host(bdev->func);
- if (int_status & RX_DONE_INT) {
- rx_size = (int_status & RX_PKT_LEN) >> 16;
+ pm_runtime_mark_last_busy(bdev->dev);
+ pm_runtime_put_autosuspend(bdev->dev);
+}
- if (btmtksdio_rx_packet(bdev, rx_size) < 0)
- bdev->hdev->stat.err_rx++;
- }
+static void btmtksdio_interrupt(struct sdio_func *func)
+{
+ struct btmtksdio_dev *bdev = sdio_get_drvdata(func);
- /* Enable interrupt */
- sdio_writel(func, C_INT_EN_SET, MTK_REG_CHLPCR, NULL);
+ /* Disable interrupt */
+ sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, 0);
- pm_runtime_mark_last_busy(bdev->dev);
- pm_runtime_put_autosuspend(bdev->dev);
+ schedule_work(&bdev->txrx_work);
}
static int btmtksdio_open(struct hci_dev *hdev)
{
struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
+ u32 status, val;
int err;
- u32 status;
sdio_claim_host(bdev->func);
/* SDIO CMD 5 allows the SDIO device back to idle state an
* synchronous interrupt is supported in SDIO 4-bit mode
*/
- sdio_writel(bdev->func, SDIO_INT_CTL | SDIO_RE_INIT_EN,
- MTK_REG_CSDIOCSR, &err);
+ val = sdio_readl(bdev->func, MTK_REG_CSDIOCSR, &err);
+ if (err < 0)
+ goto err_release_irq;
+
+ val |= SDIO_INT_CTL;
+ sdio_writel(bdev->func, val, MTK_REG_CSDIOCSR, &err);
+ if (err < 0)
+ goto err_release_irq;
+
+ /* Explitly set write-1-clear method */
+ val = sdio_readl(bdev->func, MTK_REG_CHCR, &err);
if (err < 0)
goto err_release_irq;
- /* Setup write-1-clear for CHISR register */
- sdio_writel(bdev->func, C_INT_CLR_CTRL, MTK_REG_CHCR, &err);
+ val |= C_INT_CLR_CTRL;
+ sdio_writel(bdev->func, val, MTK_REG_CHCR, &err);
if (err < 0)
goto err_release_irq;
sdio_release_irq(bdev->func);
+ cancel_work_sync(&bdev->txrx_work);
+
/* Return ownership to the device */
sdio_writel(bdev->func, C_FW_OWN_REQ_SET, MTK_REG_CHLPCR, NULL);
skb_queue_purge(&bdev->txq);
- cancel_work_sync(&bdev->tx_work);
+ cancel_work_sync(&bdev->txrx_work);
return 0;
}
u8 param = 0;
/* Query whether the function is enabled */
- wmt_params.op = MTK_WMT_FUNC_CTRL;
+ wmt_params.op = BTMTK_WMT_FUNC_CTRL;
wmt_params.flag = 4;
wmt_params.dlen = sizeof(param);
wmt_params.data = ¶m;
return status;
}
-static int mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
+static int mt76xx_setup(struct hci_dev *hdev, const char *fwname)
{
struct btmtk_hci_wmt_params wmt_params;
- const struct firmware *fw;
- const u8 *fw_ptr;
- size_t fw_size;
- int err, dlen;
- u8 flag, param;
-
- err = request_firmware(&fw, fwname, &hdev->dev);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
- return err;
- }
-
- /* Power on data RAM the firmware relies on. */
- param = 1;
- wmt_params.op = MTK_WMT_FUNC_CTRL;
- wmt_params.flag = 3;
- wmt_params.dlen = sizeof(param);
- wmt_params.data = ¶m;
- wmt_params.status = NULL;
-
- err = mtk_hci_wmt_sync(hdev, &wmt_params);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to power on data RAM (%d)", err);
- goto free_fw;
- }
-
- fw_ptr = fw->data;
- fw_size = fw->size;
-
- /* The size of patch header is 30 bytes, should be skip */
- if (fw_size < 30) {
- err = -EINVAL;
- goto free_fw;
- }
-
- fw_size -= 30;
- fw_ptr += 30;
- flag = 1;
-
- wmt_params.op = MTK_WMT_PATCH_DWNLD;
- wmt_params.status = NULL;
-
- while (fw_size > 0) {
- dlen = min_t(int, 250, fw_size);
-
- /* Tell device the position in sequence */
- if (fw_size - dlen <= 0)
- flag = 3;
- else if (fw_size < fw->size - 30)
- flag = 2;
-
- wmt_params.flag = flag;
- wmt_params.dlen = dlen;
- wmt_params.data = fw_ptr;
-
- err = mtk_hci_wmt_sync(hdev, &wmt_params);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
- err);
- goto free_fw;
- }
-
- fw_size -= dlen;
- fw_ptr += dlen;
- }
-
- wmt_params.op = MTK_WMT_RST;
- wmt_params.flag = 4;
- wmt_params.dlen = 0;
- wmt_params.data = NULL;
- wmt_params.status = NULL;
-
- /* Activate funciton the firmware providing to */
- err = mtk_hci_wmt_sync(hdev, &wmt_params);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send wmt rst (%d)", err);
- goto free_fw;
- }
-
- /* Wait a few moments for firmware activation done */
- usleep_range(10000, 12000);
-
-free_fw:
- release_firmware(fw);
- return err;
-}
-
-static int btmtksdio_setup(struct hci_dev *hdev)
-{
- struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
- struct btmtk_hci_wmt_params wmt_params;
- ktime_t calltime, delta, rettime;
struct btmtk_tci_sleep tci_sleep;
- unsigned long long duration;
struct sk_buff *skb;
int err, status;
u8 param = 0x1;
- calltime = ktime_get();
-
/* Query whether the firmware is already download */
- wmt_params.op = MTK_WMT_SEMAPHORE;
+ wmt_params.op = BTMTK_WMT_SEMAPHORE;
wmt_params.flag = 1;
wmt_params.dlen = 0;
wmt_params.data = NULL;
}
/* Setup a firmware which the device definitely requires */
- err = mtk_setup_firmware(hdev, bdev->data->fwname);
+ err = btmtk_setup_firmware(hdev, fwname, mtk_hci_wmt_sync);
if (err < 0)
return err;
}
/* Enable Bluetooth protocol */
- wmt_params.op = MTK_WMT_FUNC_CTRL;
+ wmt_params.op = BTMTK_WMT_FUNC_CTRL;
wmt_params.flag = 0;
wmt_params.dlen = sizeof(param);
wmt_params.data = ¶m;
}
kfree_skb(skb);
+ return 0;
+}
+
+static int mt79xx_setup(struct hci_dev *hdev, const char *fwname)
+{
+ struct btmtk_hci_wmt_params wmt_params;
+ u8 param = 0x1;
+ int err;
+
+ err = btmtk_setup_firmware_79xx(hdev, fwname, mtk_hci_wmt_sync);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to setup 79xx firmware (%d)", err);
+ return err;
+ }
+
+ /* Enable Bluetooth protocol */
+ wmt_params.op = BTMTK_WMT_FUNC_CTRL;
+ wmt_params.flag = 0;
+ wmt_params.dlen = sizeof(param);
+ wmt_params.data = ¶m;
+ wmt_params.status = NULL;
+
+ err = mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
+ return err;
+ }
+
+ return err;
+}
+
+static int btsdio_mtk_reg_read(struct hci_dev *hdev, u32 reg, u32 *val)
+{
+ struct btmtk_hci_wmt_params wmt_params;
+ struct reg_read_cmd {
+ u8 type;
+ u8 rsv;
+ u8 num;
+ __le32 addr;
+ } __packed reg_read = {
+ .type = 1,
+ .num = 1,
+ };
+ u32 status;
+ int err;
+
+ reg_read.addr = cpu_to_le32(reg);
+ wmt_params.op = BTMTK_WMT_REGISTER;
+ wmt_params.flag = BTMTK_WMT_REG_READ;
+ wmt_params.dlen = sizeof(reg_read);
+ wmt_params.data = ®_read;
+ wmt_params.status = &status;
+
+ err = mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to read reg(%d)", err);
+ return err;
+ }
+
+ *val = status;
+
+ return err;
+}
+
+static int btmtksdio_setup(struct hci_dev *hdev)
+{
+ struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
+ ktime_t calltime, delta, rettime;
+ unsigned long long duration;
+ char fwname[64];
+ int err, dev_id;
+ u32 fw_version = 0;
+
+ calltime = ktime_get();
+ bdev->hw_tx_ready = true;
+
+ switch (bdev->data->chipid) {
+ case 0x7921:
+ err = btsdio_mtk_reg_read(hdev, 0x70010200, &dev_id);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to get device id (%d)", err);
+ return err;
+ }
+
+ err = btsdio_mtk_reg_read(hdev, 0x80021004, &fw_version);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to get fw version (%d)", err);
+ return err;
+ }
+
+ snprintf(fwname, sizeof(fwname),
+ "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin",
+ dev_id & 0xffff, (fw_version & 0xff) + 1);
+ err = mt79xx_setup(hdev, fwname);
+ if (err < 0)
+ return err;
+ break;
+ case 0x7663:
+ case 0x7668:
+ err = mt76xx_setup(hdev, bdev->data->fwname);
+ if (err < 0)
+ return err;
+ break;
+ default:
+ return -ENODEV;
+ }
+
rettime = ktime_get();
delta = ktime_sub(rettime, calltime);
duration = (unsigned long long)ktime_to_ns(delta) >> 10;
pm_runtime_get_sync(bdev->dev);
/* Disable the device */
- wmt_params.op = MTK_WMT_FUNC_CTRL;
+ wmt_params.op = BTMTK_WMT_FUNC_CTRL;
wmt_params.flag = 0;
wmt_params.dlen = sizeof(param);
wmt_params.data = ¶m;
skb_queue_tail(&bdev->txq, skb);
- schedule_work(&bdev->tx_work);
+ schedule_work(&bdev->txrx_work);
return 0;
}
bdev->dev = &func->dev;
bdev->func = func;
- INIT_WORK(&bdev->tx_work, btmtksdio_tx_work);
+ INIT_WORK(&bdev->txrx_work, btmtksdio_txrx_work);
skb_queue_head_init(&bdev->txq);
/* Initialize and register HCI device */
hdev->setup = btmtksdio_setup;
hdev->shutdown = btmtksdio_shutdown;
hdev->send = btmtksdio_send_frame;
+ hdev->set_bdaddr = btmtk_set_bdaddr;
+
SET_HCIDEV_DEV(hdev, &func->dev);
hdev->manufacturer = 70;
MODULE_DESCRIPTION("MediaTek Bluetooth SDIO driver ver " VERSION);
MODULE_VERSION(VERSION);
MODULE_LICENSE("GPL");
-MODULE_FIRMWARE(FIRMWARE_MT7663);
-MODULE_FIRMWARE(FIRMWARE_MT7668);
switch (func->device) {
case SDIO_DEVICE_ID_BROADCOM_43341:
case SDIO_DEVICE_ID_BROADCOM_43430:
+ case SDIO_DEVICE_ID_BROADCOM_4345:
+ case SDIO_DEVICE_ID_BROADCOM_43455:
case SDIO_DEVICE_ID_BROADCOM_4356:
return -ENODEV;
}
#include "btintel.h"
#include "btbcm.h"
#include "btrtl.h"
+#include "btmtk.h"
#define VERSION "0.8"
#define MTK_BT_RST_DONE 0x00000100
#define MTK_BT_RESET_WAIT_MS 100
#define MTK_BT_RESET_NUM_TRIES 10
-#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin"
-#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"
-
-#define HCI_WMT_MAX_EVENT_SIZE 64
-/* It is for mt79xx download rom patch*/
-#define MTK_FW_ROM_PATCH_HEADER_SIZE 32
-#define MTK_FW_ROM_PATCH_GD_SIZE 64
-#define MTK_FW_ROM_PATCH_SEC_MAP_SIZE 64
-#define MTK_SEC_MAP_COMMON_SIZE 12
-#define MTK_SEC_MAP_NEED_SEND_SIZE 52
-
-enum {
- BTMTK_WMT_PATCH_DWNLD = 0x1,
- BTMTK_WMT_FUNC_CTRL = 0x6,
- BTMTK_WMT_RST = 0x7,
- BTMTK_WMT_SEMAPHORE = 0x17,
-};
-
-enum {
- BTMTK_WMT_INVALID,
- BTMTK_WMT_PATCH_UNDONE,
- BTMTK_WMT_PATCH_PROGRESS,
- BTMTK_WMT_PATCH_DONE,
- BTMTK_WMT_ON_UNDONE,
- BTMTK_WMT_ON_DONE,
- BTMTK_WMT_ON_PROGRESS,
-};
-
-struct btmtk_wmt_hdr {
- u8 dir;
- u8 op;
- __le16 dlen;
- u8 flag;
-} __packed;
-
-struct btmtk_hci_wmt_cmd {
- struct btmtk_wmt_hdr hdr;
- u8 data[];
-} __packed;
-
-struct btmtk_hci_wmt_evt {
- struct hci_event_hdr hhdr;
- struct btmtk_wmt_hdr whdr;
-} __packed;
-
-struct btmtk_hci_wmt_evt_funcc {
- struct btmtk_hci_wmt_evt hwhdr;
- __be16 status;
-} __packed;
-
-struct btmtk_tci_sleep {
- u8 mode;
- __le16 duration;
- __le16 host_duration;
- u8 host_wakeup_pin;
- u8 time_compensation;
-} __packed;
-
-struct btmtk_hci_wmt_params {
- u8 op;
- u8 flag;
- u16 dlen;
- const void *data;
- u32 *status;
-};
-
-struct btmtk_patch_header {
- u8 datetime[16];
- u8 platform[4];
- __le16 hwver;
- __le16 swver;
- __le32 magicnum;
-} __packed;
-
-struct btmtk_global_desc {
- __le32 patch_ver;
- __le32 sub_sys;
- __le32 feature_opt;
- __le32 section_num;
-} __packed;
-
-struct btmtk_section_map {
- __le32 sectype;
- __le32 secoffset;
- __le32 secsize;
- union {
- __le32 u4SecSpec[13];
- struct {
- __le32 dlAddr;
- __le32 dlsize;
- __le32 seckeyidx;
- __le32 alignlen;
- __le32 sectype;
- __le32 dlmodecrctype;
- __le32 crc;
- __le32 reserved[6];
- } bin_info_spec;
- };
-} __packed;
-
-static int btusb_set_bdaddr_mtk(struct hci_dev *hdev, const bdaddr_t *bdaddr)
-{
- struct sk_buff *skb;
- long ret;
-
- skb = __hci_cmd_sync(hdev, 0xfc1a, sizeof(bdaddr), bdaddr, HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- ret = PTR_ERR(skb);
- bt_dev_err(hdev, "changing Mediatek device address failed (%ld)",
- ret);
- return ret;
- }
- kfree_skb(skb);
-
- return 0;
-}
static void btusb_mtk_wmt_recv(struct urb *urb)
{
skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC);
if (!skb) {
hdev->stat.err_rx++;
+ kfree(urb->setup_packet);
return;
}
data->evt_skb = skb_clone(skb, GFP_ATOMIC);
if (!data->evt_skb) {
kfree_skb(skb);
+ kfree(urb->setup_packet);
return;
}
}
if (err < 0) {
kfree_skb(data->evt_skb);
data->evt_skb = NULL;
+ kfree(urb->setup_packet);
return;
}
wake_up_bit(&data->flags,
BTUSB_TX_WAIT_VND_EVT);
}
+ kfree(urb->setup_packet);
return;
} else if (urb->status == -ENOENT) {
/* Avoid suspend failed when usb_kill_urb */
usb_anchor_urb(urb, &data->ctrl_anchor);
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
+ kfree(urb->setup_packet);
/* -EPERM: urb is being killed;
* -ENODEV: device got disconnected
*/
return err;
}
-static int btusb_mtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname)
-{
- struct btmtk_hci_wmt_params wmt_params;
- struct btmtk_global_desc *globaldesc = NULL;
- struct btmtk_section_map *sectionmap;
- const struct firmware *fw;
- const u8 *fw_ptr;
- const u8 *fw_bin_ptr;
- int err, dlen, i, status;
- u8 flag, first_block, retry;
- u32 section_num, dl_size, section_offset;
- u8 cmd[64];
-
- err = request_firmware(&fw, fwname, &hdev->dev);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
- return err;
- }
-
- fw_ptr = fw->data;
- fw_bin_ptr = fw_ptr;
- globaldesc = (struct btmtk_global_desc *)(fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE);
- section_num = le32_to_cpu(globaldesc->section_num);
-
- for (i = 0; i < section_num; i++) {
- first_block = 1;
- fw_ptr = fw_bin_ptr;
- sectionmap = (struct btmtk_section_map *)(fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE +
- MTK_FW_ROM_PATCH_GD_SIZE + MTK_FW_ROM_PATCH_SEC_MAP_SIZE * i);
-
- section_offset = le32_to_cpu(sectionmap->secoffset);
- dl_size = le32_to_cpu(sectionmap->bin_info_spec.dlsize);
-
- if (dl_size > 0) {
- retry = 20;
- while (retry > 0) {
- cmd[0] = 0; /* 0 means legacy dl mode. */
- memcpy(cmd + 1,
- fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE +
- MTK_FW_ROM_PATCH_GD_SIZE + MTK_FW_ROM_PATCH_SEC_MAP_SIZE * i +
- MTK_SEC_MAP_COMMON_SIZE,
- MTK_SEC_MAP_NEED_SEND_SIZE + 1);
-
- wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
- wmt_params.status = &status;
- wmt_params.flag = 0;
- wmt_params.dlen = MTK_SEC_MAP_NEED_SEND_SIZE + 1;
- wmt_params.data = &cmd;
-
- err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
- err);
- goto err_release_fw;
- }
-
- if (status == BTMTK_WMT_PATCH_UNDONE) {
- break;
- } else if (status == BTMTK_WMT_PATCH_PROGRESS) {
- msleep(100);
- retry--;
- } else if (status == BTMTK_WMT_PATCH_DONE) {
- goto next_section;
- } else {
- bt_dev_err(hdev, "Failed wmt patch dwnld status (%d)",
- status);
- goto err_release_fw;
- }
- }
-
- fw_ptr += section_offset;
- wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
- wmt_params.status = NULL;
-
- while (dl_size > 0) {
- dlen = min_t(int, 250, dl_size);
- if (first_block == 1) {
- flag = 1;
- first_block = 0;
- } else if (dl_size - dlen <= 0) {
- flag = 3;
- } else {
- flag = 2;
- }
-
- wmt_params.flag = flag;
- wmt_params.dlen = dlen;
- wmt_params.data = fw_ptr;
-
- err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
- err);
- goto err_release_fw;
- }
-
- dl_size -= dlen;
- fw_ptr += dlen;
- }
- }
-next_section:
- continue;
- }
- /* Wait a few moments for firmware activation done */
- usleep_range(100000, 120000);
-
-err_release_fw:
- release_firmware(fw);
-
- return err;
-}
-
-static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
-{
- struct btmtk_hci_wmt_params wmt_params;
- const struct firmware *fw;
- const u8 *fw_ptr;
- size_t fw_size;
- int err, dlen;
- u8 flag, param;
-
- err = request_firmware(&fw, fwname, &hdev->dev);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
- return err;
- }
-
- /* Power on data RAM the firmware relies on. */
- param = 1;
- wmt_params.op = BTMTK_WMT_FUNC_CTRL;
- wmt_params.flag = 3;
- wmt_params.dlen = sizeof(param);
- wmt_params.data = ¶m;
- wmt_params.status = NULL;
-
- err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to power on data RAM (%d)", err);
- goto err_release_fw;
- }
-
- fw_ptr = fw->data;
- fw_size = fw->size;
-
- /* The size of patch header is 30 bytes, should be skip */
- if (fw_size < 30) {
- err = -EINVAL;
- goto err_release_fw;
- }
-
- fw_size -= 30;
- fw_ptr += 30;
- flag = 1;
-
- wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
- wmt_params.status = NULL;
-
- while (fw_size > 0) {
- dlen = min_t(int, 250, fw_size);
-
- /* Tell device the position in sequence */
- if (fw_size - dlen <= 0)
- flag = 3;
- else if (fw_size < fw->size - 30)
- flag = 2;
-
- wmt_params.flag = flag;
- wmt_params.dlen = dlen;
- wmt_params.data = fw_ptr;
-
- err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
- err);
- goto err_release_fw;
- }
-
- fw_size -= dlen;
- fw_ptr += dlen;
- }
-
- wmt_params.op = BTMTK_WMT_RST;
- wmt_params.flag = 4;
- wmt_params.dlen = 0;
- wmt_params.data = NULL;
- wmt_params.status = NULL;
-
- /* Activate funciton the firmware providing to */
- err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send wmt rst (%d)", err);
- goto err_release_fw;
- }
-
- /* Wait a few moments for firmware activation done */
- usleep_range(10000, 12000);
-
-err_release_fw:
- release_firmware(fw);
-
- return err;
-}
-
static int btusb_mtk_func_query(struct hci_dev *hdev)
{
struct btmtk_hci_wmt_params wmt_params;
snprintf(fw_bin_name, sizeof(fw_bin_name),
"mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin",
dev_id & 0xffff, (fw_version & 0xff) + 1);
- err = btusb_mtk_setup_firmware_79xx(hdev, fw_bin_name);
+ err = btmtk_setup_firmware_79xx(hdev, fw_bin_name,
+ btusb_mtk_hci_wmt_sync);
/* It's Device EndPoint Reset Option Register */
btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT);
}
hci_set_msft_opcode(hdev, 0xFD30);
+ hci_set_aosp_capable(hdev);
goto done;
default:
bt_dev_err(hdev, "Unsupported hardware variant (%08x)",
}
/* Setup a firmware which the device definitely requires */
- err = btusb_mtk_setup_firmware(hdev, fwname);
+ err = btmtk_setup_firmware(hdev, fwname,
+ btusb_mtk_hci_wmt_sync);
if (err < 0)
return err;
return hci_recv_frame(hdev, skb);
}
-MODULE_FIRMWARE(FIRMWARE_MT7663);
-MODULE_FIRMWARE(FIRMWARE_MT7668);
-
#ifdef CONFIG_PM
/* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
static int marvell_config_oob_wake(struct hci_dev *hdev)
#define QCA_DFU_TIMEOUT 3000
#define QCA_FLAG_MULTI_NVM 0x80
+#define WCN6855_2_0_RAM_VERSION_GF 0x400c1200
+#define WCN6855_2_1_RAM_VERSION_GF 0x400c1211
+
struct qca_version {
__le32 rom_version;
__le32 patch_version;
{ 0x00000302, 28, 4, 16 }, /* Rome 3.2 */
{ 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */
{ 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */
+ { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */
};
static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
return err;
}
+static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size,
+ const struct qca_version *ver)
+{
+ u32 rom_version = le32_to_cpu(ver->rom_version);
+ u16 flag = le16_to_cpu(ver->flag);
+
+ if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
+ u16 board_id = le16_to_cpu(ver->board_id);
+ const char *variant;
+
+ switch (le32_to_cpu(ver->ram_version)) {
+ case WCN6855_2_0_RAM_VERSION_GF:
+ case WCN6855_2_1_RAM_VERSION_GF:
+ variant = "_gf";
+ break;
+ default:
+ variant = "";
+ break;
+ }
+
+ if (board_id == 0) {
+ snprintf(fwname, max_size, "qca/nvm_usb_%08x%s.bin",
+ rom_version, variant);
+ } else {
+ snprintf(fwname, max_size, "qca/nvm_usb_%08x%s_%04x.bin",
+ rom_version, variant, board_id);
+ }
+ } else {
+ snprintf(fwname, max_size, "qca/nvm_usb_%08x.bin",
+ rom_version);
+ }
+
+}
+
static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
struct qca_version *ver,
const struct qca_device_info *info)
char fwname[64];
int err;
- if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
- /* if boardid equal 0, use default nvm without surfix */
- if (le16_to_cpu(ver->board_id) == 0x0) {
- snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
- le32_to_cpu(ver->rom_version));
- } else {
- snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin",
- le32_to_cpu(ver->rom_version),
- le16_to_cpu(ver->board_id));
- }
- } else {
- snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
- le32_to_cpu(ver->rom_version));
- }
+ btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver);
err = request_firmware(&fw, fwname, &hdev->dev);
if (err) {
hdev->shutdown = btusb_mtk_shutdown;
hdev->manufacturer = 70;
hdev->cmd_timeout = btusb_mtk_cmd_timeout;
- hdev->set_bdaddr = btusb_set_bdaddr_mtk;
+ hdev->set_bdaddr = btmtk_set_bdaddr;
set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
data->recv_acl = btusb_recv_acl_mtk;
}
{ .compatible = "brcm,bcm4330-bt" },
{ .compatible = "brcm,bcm4334-bt" },
{ .compatible = "brcm,bcm4345c5" },
- { .compatible = "brcm,bcm4330-bt" },
{ .compatible = "brcm,bcm43438-bt", .data = &bcm43438_device_data },
{ .compatible = "brcm,bcm43540-bt", .data = &bcm4354_device_data },
{ .compatible = "brcm,bcm4335a0" },
}
if (!dlen) {
- hu->padding = (skb->len - 1) % alignment;
+ hu->padding = (skb->len + 1) % alignment;
hu->padding = (alignment - hu->padding) % alignment;
/* No more data, complete frame */
skb = NULL;
}
} else {
- hu->padding = (skb->len - 1) % alignment;
+ hu->padding = (skb->len + 1) % alignment;
hu->padding = (alignment - hu->padding) % alignment;
/* Complete frame */
struct mutex open_mutex;
struct delayed_work open_timeout;
+ struct work_struct suspend_work;
bool suspended;
bool wakeup;
+ __u16 msft_opcode;
+ bool aosp_capable;
};
static int vhci_open_dev(struct hci_dev *hdev)
return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
}
+static void vhci_suspend_work(struct work_struct *work)
+{
+ struct vhci_data *data = container_of(work, struct vhci_data,
+ suspend_work);
+
+ if (data->suspended)
+ hci_suspend_dev(data->hdev);
+ else
+ hci_resume_dev(data->hdev);
+}
+
static ssize_t force_suspend_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
if (data->suspended == enable)
return -EALREADY;
- if (enable)
- err = hci_suspend_dev(data->hdev);
- else
- err = hci_resume_dev(data->hdev);
-
- if (err)
- return err;
-
data->suspended = enable;
+ schedule_work(&data->suspend_work);
+
return count;
}
if (data->wakeup == enable)
return -EALREADY;
+ data->wakeup = enable;
+
return count;
}
.llseek = default_llseek,
};
+static int msft_opcode_set(void *data, u64 val)
+{
+ struct vhci_data *vhci = data;
+
+ if (val > 0xffff || hci_opcode_ogf(val) != 0x3f)
+ return -EINVAL;
+
+ if (vhci->msft_opcode)
+ return -EALREADY;
+
+ vhci->msft_opcode = val;
+
+ return 0;
+}
+
+static int msft_opcode_get(void *data, u64 *val)
+{
+ struct vhci_data *vhci = data;
+
+ *val = vhci->msft_opcode;
+
+ return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(msft_opcode_fops, msft_opcode_get, msft_opcode_set,
+ "%llu\n");
+
+static ssize_t aosp_capable_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct vhci_data *vhci = file->private_data;
+ char buf[3];
+
+ buf[0] = vhci->aosp_capable ? 'Y' : 'N';
+ buf[1] = '\n';
+ buf[2] = '\0';
+ return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
+}
+
+static ssize_t aosp_capable_write(struct file *file,
+ const char __user *user_buf, size_t count,
+ loff_t *ppos)
+{
+ struct vhci_data *vhci = file->private_data;
+ bool enable;
+ int err;
+
+ err = kstrtobool_from_user(user_buf, count, &enable);
+ if (err)
+ return err;
+
+ if (!enable)
+ return -EINVAL;
+
+ if (vhci->aosp_capable)
+ return -EALREADY;
+
+ vhci->aosp_capable = enable;
+
+ return count;
+}
+
+static const struct file_operations aosp_capable_fops = {
+ .open = simple_open,
+ .read = aosp_capable_read,
+ .write = aosp_capable_write,
+ .llseek = default_llseek,
+};
+
+static int vhci_setup(struct hci_dev *hdev)
+{
+ struct vhci_data *vhci = hci_get_drvdata(hdev);
+
+ if (vhci->msft_opcode)
+ hci_set_msft_opcode(hdev, vhci->msft_opcode);
+
+ if (vhci->aosp_capable)
+ hci_set_aosp_capable(hdev);
+
+ return 0;
+}
+
static int __vhci_create_device(struct vhci_data *data, __u8 opcode)
{
struct hci_dev *hdev;
hdev->get_data_path_id = vhci_get_data_path_id;
hdev->get_codec_config_data = vhci_get_codec_config_data;
hdev->wakeup = vhci_wakeup;
+ hdev->setup = vhci_setup;
+ set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
/* bit 6 is for external configuration */
if (opcode & 0x40)
debugfs_create_file("force_wakeup", 0644, hdev->debugfs, data,
&force_wakeup_fops);
+ if (IS_ENABLED(CONFIG_BT_MSFTEXT))
+ debugfs_create_file("msft_opcode", 0644, hdev->debugfs, data,
+ &msft_opcode_fops);
+
+ if (IS_ENABLED(CONFIG_BT_AOSPEXT))
+ debugfs_create_file("aosp_capable", 0644, hdev->debugfs, data,
+ &aosp_capable_fops);
+
hci_skb_pkt_type(skb) = HCI_VENDOR_PKT;
skb_put_u8(skb, 0xff);
mutex_init(&data->open_mutex);
INIT_DELAYED_WORK(&data->open_timeout, vhci_open_timeout);
+ INIT_WORK(&data->suspend_work, vhci_suspend_work);
file->private_data = data;
nonseekable_open(inode, file);
struct hci_dev *hdev;
cancel_delayed_work_sync(&data->open_timeout);
+ flush_work(&data->suspend_work);
hdev = data->hdev;
hci_skb_pkt_type(skb) = pkt_type;
hci_recv_frame(vbt->hdev, skb);
break;
+ default:
+ kfree_skb(skb);
+ break;
}
}
#define SDIO_VENDOR_ID_MEDIATEK 0x037a
#define SDIO_DEVICE_ID_MEDIATEK_MT7663 0x7663
#define SDIO_DEVICE_ID_MEDIATEK_MT7668 0x7668
+#define SDIO_DEVICE_ID_MEDIATEK_MT7961 0x7961
#define SDIO_VENDOR_ID_MICROCHIP_WILC 0x0296
#define SDIO_DEVICE_ID_MICROCHIP_WILC1000 0x5347
#define HCI_REQ_SKB BIT(1)
struct hci_ctrl {
+ struct sock *sk;
u16 opcode;
u8 req_flags;
u8 req_event;
#define hci_skb_pkt_type(skb) bt_cb((skb))->pkt_type
#define hci_skb_expect(skb) bt_cb((skb))->expect
#define hci_skb_opcode(skb) bt_cb((skb))->hci.opcode
+#define hci_skb_sk(skb) bt_cb((skb))->hci.sk
static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
{
#define HCI_ERROR_INVALID_LL_PARAMS 0x1e
#define HCI_ERROR_UNSPECIFIED 0x1f
#define HCI_ERROR_ADVERTISING_TIMEOUT 0x3c
+#define HCI_ERROR_CANCELLED_BY_HOST 0x44
/* Flow control modes */
#define HCI_FLOW_CTL_MODE_PACKET_BASED 0x00
#include <linux/rculist.h>
#include <net/bluetooth/hci.h>
+#include <net/bluetooth/hci_sync.h>
#include <net/bluetooth/hci_sock.h>
/* HCI priority */
struct work_struct power_on;
struct delayed_work power_off;
struct work_struct error_reset;
+ struct work_struct cmd_sync_work;
+ struct list_head cmd_sync_work_list;
+ struct mutex cmd_sync_work_lock;
__u16 discov_timeout;
struct delayed_work discov_off;
struct work_struct tx_work;
struct work_struct discov_update;
- struct work_struct bg_scan_update;
struct work_struct scan_update;
- struct work_struct connectable_update;
- struct work_struct discoverable_update;
struct delayed_work le_scan_disable;
struct delayed_work le_scan_restart;
bool advertising_paused;
struct notifier_block suspend_notifier;
- struct work_struct suspend_prepare;
enum suspended_state suspend_state_next;
enum suspended_state suspend_state;
bool scanning_paused;
bdaddr_t wake_addr;
u8 wake_addr_type;
- wait_queue_head_t suspend_wait_q;
- DECLARE_BITMAP(suspend_tasks, __SUSPEND_NUM_TASKS);
-
struct hci_conn_hash conn_hash;
struct list_head mgmt_pending;
#if IS_ENABLED(CONFIG_BT_AOSPEXT)
bool aosp_capable;
+ bool aosp_quality_report;
#endif
int (*open)(struct hci_dev *hdev);
#define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \
((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED))
+#define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY)
+
/* Use LL Privacy based address resolution if supported */
-#define use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY)
+#define use_ll_privacy(dev) (ll_privacy_capable(dev) && \
+ hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY))
/* Use enhanced synchronous connection if command is supported */
#define enhanced_sco_capable(dev) ((dev)->commands[29] & 0x08)
int hci_register_cb(struct hci_cb *hcb);
int hci_unregister_cb(struct hci_cb *hcb);
-struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
- const void *param, u32 timeout);
-struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
- const void *param, u8 event, u32 timeout);
int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen,
const void *param);
void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
-struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
- const void *param, u32 timeout);
-
u32 hci_conn_get_phy(struct hci_conn *conn);
/* ----- HCI Sockets ----- */
u8 entered);
void mgmt_auth_failed(struct hci_conn *conn, u8 status);
void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
-void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status);
void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
u8 status);
void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
u16 max_interval, u16 latency, u16 timeout);
void mgmt_smp_complete(struct hci_conn *conn, bool complete);
bool mgmt_get_connectable(struct hci_dev *hdev);
-void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status);
-void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status);
u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev);
void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev,
u8 instance);
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2021 Intel Corporation
+ */
+
+typedef int (*hci_cmd_sync_work_func_t)(struct hci_dev *hdev, void *data);
+typedef void (*hci_cmd_sync_work_destroy_t)(struct hci_dev *hdev, void *data,
+ int err);
+
+struct hci_cmd_sync_work_entry {
+ struct list_head list;
+ hci_cmd_sync_work_func_t func;
+ void *data;
+ hci_cmd_sync_work_destroy_t destroy;
+};
+
+/* Function with sync suffix shall not be called with hdev->lock held as they
+ * wait the command to complete and in the meantime an event could be received
+ * which could attempt to acquire hdev->lock causing a deadlock.
+ */
+struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u32 timeout);
+struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u32 timeout);
+struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u8 event, u32 timeout);
+struct sk_buff *__hci_cmd_sync_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u8 event, u32 timeout,
+ struct sock *sk);
+int __hci_cmd_sync_status(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u32 timeout);
+int __hci_cmd_sync_status_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u8 event, u32 timeout,
+ struct sock *sk);
+
+void hci_cmd_sync_init(struct hci_dev *hdev);
+void hci_cmd_sync_clear(struct hci_dev *hdev);
+
+int hci_cmd_sync_queue(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
+ void *data, hci_cmd_sync_work_destroy_t destroy);
+
+int hci_update_eir_sync(struct hci_dev *hdev);
+int hci_update_class_sync(struct hci_dev *hdev);
+
+int hci_update_eir_sync(struct hci_dev *hdev);
+int hci_update_class_sync(struct hci_dev *hdev);
+int hci_update_name_sync(struct hci_dev *hdev);
+int hci_write_ssp_mode_sync(struct hci_dev *hdev, u8 mode);
+
+int hci_update_random_address_sync(struct hci_dev *hdev, bool require_privacy,
+ bool rpa, u8 *own_addr_type);
+
+int hci_update_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance);
+int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance);
+int hci_schedule_adv_instance_sync(struct hci_dev *hdev, u8 instance,
+ bool force);
+
+int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance);
+int hci_start_ext_adv_sync(struct hci_dev *hdev, u8 instance);
+int hci_enable_ext_advertising_sync(struct hci_dev *hdev, u8 instance);
+int hci_enable_advertising_sync(struct hci_dev *hdev);
+int hci_enable_advertising(struct hci_dev *hdev);
+
+int hci_remove_advertising_sync(struct hci_dev *hdev, struct sock *sk,
+ u8 instance, bool force);
+int hci_disable_advertising_sync(struct hci_dev *hdev);
+
+int hci_update_passive_scan_sync(struct hci_dev *hdev);
+int hci_update_passive_scan(struct hci_dev *hdev);
+int hci_read_rssi_sync(struct hci_dev *hdev, __le16 handle);
+int hci_read_tx_power_sync(struct hci_dev *hdev, __le16 handle, u8 type);
+int hci_write_sc_support_sync(struct hci_dev *hdev, u8 val);
+int hci_read_clock_sync(struct hci_dev *hdev, struct hci_cp_read_clock *cp);
+
+int hci_write_fast_connectable_sync(struct hci_dev *hdev, bool enable);
+int hci_update_scan_sync(struct hci_dev *hdev);
+
+int hci_write_le_host_supported_sync(struct hci_dev *hdev, u8 le, u8 simul);
+int hci_remove_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance,
+ struct sock *sk);
+struct sk_buff *hci_read_local_oob_data_sync(struct hci_dev *hdev, bool ext,
+ struct sock *sk);
+
+int hci_reset_sync(struct hci_dev *hdev);
+int hci_dev_open_sync(struct hci_dev *hdev);
+int hci_dev_close_sync(struct hci_dev *hdev);
+
+int hci_powered_update_sync(struct hci_dev *hdev);
+int hci_set_powered_sync(struct hci_dev *hdev, u8 val);
+
+int hci_update_discoverable_sync(struct hci_dev *hdev);
+int hci_update_discoverable(struct hci_dev *hdev);
+
+int hci_update_connectable_sync(struct hci_dev *hdev);
+
+int hci_start_discovery_sync(struct hci_dev *hdev);
+int hci_stop_discovery_sync(struct hci_dev *hdev);
+
+int hci_suspend_sync(struct hci_dev *hdev);
+int hci_resume_sync(struct hci_dev *hdev);
bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o mgmt.o \
hci_sock.o hci_sysfs.o l2cap_core.o l2cap_sock.o smp.o lib.o \
ecdh_helper.o hci_request.o mgmt_util.o mgmt_config.o hci_codec.o \
- eir.o
+ eir.o hci_sync.o
bluetooth-$(CONFIG_BT_BREDR) += sco.o
bluetooth-$(CONFIG_BT_HS) += a2mp.o amp.o
#include "aosp.h"
+/* Command complete parameters of LE_Get_Vendor_Capabilities_Command
+ * The parameters grow over time. The base version that declares the
+ * version_supported field is v0.95. Refer to
+ * https://cs.android.com/android/platform/superproject/+/master:system/
+ * bt/gd/hci/controller.cc;l=452?q=le_get_vendor_capabilities_handler
+ */
+struct aosp_rp_le_get_vendor_capa {
+ /* v0.95: 15 octets */
+ __u8 status;
+ __u8 max_advt_instances;
+ __u8 offloaded_resolution_of_private_address;
+ __le16 total_scan_results_storage;
+ __u8 max_irk_list_sz;
+ __u8 filtering_support;
+ __u8 max_filter;
+ __u8 activity_energy_info_support;
+ __le16 version_supported;
+ __le16 total_num_of_advt_tracked;
+ __u8 extended_scan_support;
+ __u8 debug_logging_supported;
+ /* v0.96: 16 octets */
+ __u8 le_address_generation_offloading_support;
+ /* v0.98: 21 octets */
+ __le32 a2dp_source_offload_capability_mask;
+ __u8 bluetooth_quality_report_support;
+ /* v1.00: 25 octets */
+ __le32 dynamic_audio_buffer_support;
+} __packed;
+
+#define VENDOR_CAPA_BASE_SIZE 15
+#define VENDOR_CAPA_0_98_SIZE 21
+
void aosp_do_open(struct hci_dev *hdev)
{
struct sk_buff *skb;
+ struct aosp_rp_le_get_vendor_capa *rp;
+ u16 version_supported;
if (!hdev->aosp_capable)
return;
/* LE Get Vendor Capabilities Command */
skb = __hci_cmd_sync(hdev, hci_opcode_pack(0x3f, 0x153), 0, NULL,
HCI_CMD_TIMEOUT);
- if (IS_ERR(skb))
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "AOSP get vendor capabilities (%ld)",
+ PTR_ERR(skb));
return;
+ }
+
+ /* A basic length check */
+ if (skb->len < VENDOR_CAPA_BASE_SIZE)
+ goto length_error;
+
+ rp = (struct aosp_rp_le_get_vendor_capa *)skb->data;
+
+ version_supported = le16_to_cpu(rp->version_supported);
+ /* AOSP displays the verion number like v0.98, v1.00, etc. */
+ bt_dev_info(hdev, "AOSP extensions version v%u.%02u",
+ version_supported >> 8, version_supported & 0xff);
+
+ /* Do not support very old versions. */
+ if (version_supported < 95) {
+ bt_dev_warn(hdev, "AOSP capabilities version %u too old",
+ version_supported);
+ goto done;
+ }
+
+ if (version_supported < 98) {
+ bt_dev_warn(hdev, "AOSP quality report is not supported");
+ goto done;
+ }
+
+ if (skb->len < VENDOR_CAPA_0_98_SIZE)
+ goto length_error;
+
+ /* The bluetooth_quality_report_support is defined at version
+ * v0.98. Refer to
+ * https://cs.android.com/android/platform/superproject/+/
+ * master:system/bt/gd/hci/controller.cc;l=477
+ */
+ if (rp->bluetooth_quality_report_support) {
+ hdev->aosp_quality_report = true;
+ bt_dev_info(hdev, "AOSP quality report is supported");
+ }
+
+ goto done;
+
+length_error:
+ bt_dev_err(hdev, "AOSP capabilities length %d too short", skb->len);
+done:
kfree_skb(skb);
}
bt_dev_dbg(hdev, "Cleanup of AOSP extension");
}
+
+/* BQR command */
+#define BQR_OPCODE hci_opcode_pack(0x3f, 0x015e)
+
+/* BQR report action */
+#define REPORT_ACTION_ADD 0x00
+#define REPORT_ACTION_DELETE 0x01
+#define REPORT_ACTION_CLEAR 0x02
+
+/* BQR event masks */
+#define QUALITY_MONITORING BIT(0)
+#define APPRAOCHING_LSTO BIT(1)
+#define A2DP_AUDIO_CHOPPY BIT(2)
+#define SCO_VOICE_CHOPPY BIT(3)
+
+#define DEFAULT_BQR_EVENT_MASK (QUALITY_MONITORING | APPRAOCHING_LSTO | \
+ A2DP_AUDIO_CHOPPY | SCO_VOICE_CHOPPY)
+
+/* Reporting at milliseconds so as not to stress the controller too much.
+ * Range: 0 ~ 65535 ms
+ */
+#define DEFALUT_REPORT_INTERVAL_MS 5000
+
+struct aosp_bqr_cp {
+ __u8 report_action;
+ __u32 event_mask;
+ __u16 min_report_interval;
+} __packed;
+
+static int enable_quality_report(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ struct aosp_bqr_cp cp;
+
+ cp.report_action = REPORT_ACTION_ADD;
+ cp.event_mask = DEFAULT_BQR_EVENT_MASK;
+ cp.min_report_interval = DEFALUT_REPORT_INTERVAL_MS;
+
+ skb = __hci_cmd_sync(hdev, BQR_OPCODE, sizeof(cp), &cp,
+ HCI_CMD_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Enabling Android BQR failed (%ld)",
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ kfree_skb(skb);
+ return 0;
+}
+
+static int disable_quality_report(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ struct aosp_bqr_cp cp = { 0 };
+
+ cp.report_action = REPORT_ACTION_CLEAR;
+
+ skb = __hci_cmd_sync(hdev, BQR_OPCODE, sizeof(cp), &cp,
+ HCI_CMD_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Disabling Android BQR failed (%ld)",
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ kfree_skb(skb);
+ return 0;
+}
+
+bool aosp_has_quality_report(struct hci_dev *hdev)
+{
+ return hdev->aosp_quality_report;
+}
+
+int aosp_set_quality_report(struct hci_dev *hdev, bool enable)
+{
+ if (!aosp_has_quality_report(hdev))
+ return -EOPNOTSUPP;
+
+ bt_dev_dbg(hdev, "quality report enable %d", enable);
+
+ /* Enable or disable the quality report feature. */
+ if (enable)
+ return enable_quality_report(hdev);
+ else
+ return disable_quality_report(hdev);
+}
void aosp_do_open(struct hci_dev *hdev);
void aosp_do_close(struct hci_dev *hdev);
+bool aosp_has_quality_report(struct hci_dev *hdev);
+int aosp_set_quality_report(struct hci_dev *hdev, bool enable);
+
#else
static inline void aosp_do_open(struct hci_dev *hdev) {}
static inline void aosp_do_close(struct hci_dev *hdev) {}
+static inline bool aosp_has_quality_report(struct hci_dev *hdev)
+{
+ return false;
+}
+
+static inline int aosp_set_quality_report(struct hci_dev *hdev, bool enable)
+{
+ return -EOPNOTSUPP;
+}
+
#endif
{
BT_INFO("CMTP (CAPI Emulation) ver %s", VERSION);
- cmtp_init_sockets();
-
- return 0;
+ return cmtp_init_sockets();
}
static void __exit cmtp_exit(void)
}
entry->transport = sent->transport;
entry->len = len;
- entry->num_caps = rp->num_caps;
- if (rp->num_caps)
+ entry->num_caps = 0;
+ if (rp) {
+ entry->num_caps = rp->num_caps;
memcpy(entry->caps, caps, len);
+ }
list_add(&entry->list, list);
return 0;
__u32 len;
cmd->transport = i;
+
+ /* If Read_Codec_Capabilities command is not supported
+ * then just add codec to the list without caps
+ */
+ if (!(hdev->commands[45] & 0x08)) {
+ hci_dev_lock(hdev);
+ hci_codec_list_add(&hdev->local_codecs, cmd,
+ NULL, NULL, 0);
+ hci_dev_unlock(hdev);
+ continue;
+ }
+
skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_CODEC_CAPS,
sizeof(*cmd), cmd,
HCI_CMD_TIMEOUT);
break;
}
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
}
static void hci_conn_cleanup(struct hci_conn *conn)
hci_conn_del(conn);
- /* The suspend notifier is waiting for all devices to disconnect and an
- * LE connect cancel will result in an hci_le_conn_failed. Once the last
- * connection is deleted, we should also wake the suspend queue to
- * complete suspend operations.
- */
- if (list_empty(&hdev->conn_hash.list) &&
- test_and_clear_bit(SUSPEND_DISCONNECTING, hdev->suspend_tasks)) {
- wake_up(&hdev->suspend_wait_q);
- }
-
/* Since we may have temporarily stopped the background scanning in
* favor of connection establishment, we should restart it.
*/
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
- /* Re-enable advertising in case this was a failed connection
+ /* Enable advertising in case this was a failed connection
* attempt as a peripheral.
*/
- hci_req_reenable_advertising(hdev);
+ hci_enable_advertising(hdev);
}
static void create_le_conn_complete(struct hci_dev *hdev, u8 status, u16 opcode)
conn->conn_timeout = conn_timeout;
conn->conn_reason = conn_reason;
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
done:
hci_conn_hold(conn);
/* HCI ID Numbering */
static DEFINE_IDA(hci_index_ida);
-static int hci_reset_req(struct hci_request *req, unsigned long opt)
-{
- BT_DBG("%s %ld", req->hdev->name, opt);
-
- /* Reset device */
- set_bit(HCI_RESET, &req->hdev->flags);
- hci_req_add(req, HCI_OP_RESET, 0, NULL);
- return 0;
-}
-
-static void bredr_init(struct hci_request *req)
-{
- req->hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_PACKET_BASED;
-
- /* Read Local Supported Features */
- hci_req_add(req, HCI_OP_READ_LOCAL_FEATURES, 0, NULL);
-
- /* Read Local Version */
- hci_req_add(req, HCI_OP_READ_LOCAL_VERSION, 0, NULL);
-
- /* Read BD Address */
- hci_req_add(req, HCI_OP_READ_BD_ADDR, 0, NULL);
-}
-
-static void amp_init1(struct hci_request *req)
-{
- req->hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_BLOCK_BASED;
-
- /* Read Local Version */
- hci_req_add(req, HCI_OP_READ_LOCAL_VERSION, 0, NULL);
-
- /* Read Local Supported Commands */
- hci_req_add(req, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
-
- /* Read Local AMP Info */
- hci_req_add(req, HCI_OP_READ_LOCAL_AMP_INFO, 0, NULL);
-
- /* Read Data Blk size */
- hci_req_add(req, HCI_OP_READ_DATA_BLOCK_SIZE, 0, NULL);
-
- /* Read Flow Control Mode */
- hci_req_add(req, HCI_OP_READ_FLOW_CONTROL_MODE, 0, NULL);
-
- /* Read Location Data */
- hci_req_add(req, HCI_OP_READ_LOCATION_DATA, 0, NULL);
-}
-
-static int amp_init2(struct hci_request *req)
-{
- /* Read Local Supported Features. Not all AMP controllers
- * support this so it's placed conditionally in the second
- * stage init.
- */
- if (req->hdev->commands[14] & 0x20)
- hci_req_add(req, HCI_OP_READ_LOCAL_FEATURES, 0, NULL);
-
- return 0;
-}
-
-static int hci_init1_req(struct hci_request *req, unsigned long opt)
-{
- struct hci_dev *hdev = req->hdev;
-
- BT_DBG("%s %ld", hdev->name, opt);
-
- /* Reset */
- if (!test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks))
- hci_reset_req(req, 0);
-
- switch (hdev->dev_type) {
- case HCI_PRIMARY:
- bredr_init(req);
- break;
- case HCI_AMP:
- amp_init1(req);
- break;
- default:
- bt_dev_err(hdev, "Unknown device type %d", hdev->dev_type);
- break;
- }
-
- return 0;
-}
-
-static void bredr_setup(struct hci_request *req)
-{
- __le16 param;
- __u8 flt_type;
-
- /* Read Buffer Size (ACL mtu, max pkt, etc.) */
- hci_req_add(req, HCI_OP_READ_BUFFER_SIZE, 0, NULL);
-
- /* Read Class of Device */
- hci_req_add(req, HCI_OP_READ_CLASS_OF_DEV, 0, NULL);
-
- /* Read Local Name */
- hci_req_add(req, HCI_OP_READ_LOCAL_NAME, 0, NULL);
-
- /* Read Voice Setting */
- hci_req_add(req, HCI_OP_READ_VOICE_SETTING, 0, NULL);
-
- /* Read Number of Supported IAC */
- hci_req_add(req, HCI_OP_READ_NUM_SUPPORTED_IAC, 0, NULL);
-
- /* Read Current IAC LAP */
- hci_req_add(req, HCI_OP_READ_CURRENT_IAC_LAP, 0, NULL);
-
- /* Clear Event Filters */
- flt_type = HCI_FLT_CLEAR_ALL;
- hci_req_add(req, HCI_OP_SET_EVENT_FLT, 1, &flt_type);
-
- /* Connection accept timeout ~20 secs */
- param = cpu_to_le16(0x7d00);
- hci_req_add(req, HCI_OP_WRITE_CA_TIMEOUT, 2, ¶m);
-}
-
-static void le_setup(struct hci_request *req)
-{
- struct hci_dev *hdev = req->hdev;
-
- /* Read LE Buffer Size */
- hci_req_add(req, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL);
-
- /* Read LE Local Supported Features */
- hci_req_add(req, HCI_OP_LE_READ_LOCAL_FEATURES, 0, NULL);
-
- /* Read LE Supported States */
- hci_req_add(req, HCI_OP_LE_READ_SUPPORTED_STATES, 0, NULL);
-
- /* LE-only controllers have LE implicitly enabled */
- if (!lmp_bredr_capable(hdev))
- hci_dev_set_flag(hdev, HCI_LE_ENABLED);
-}
-
-static void hci_setup_event_mask(struct hci_request *req)
-{
- struct hci_dev *hdev = req->hdev;
-
- /* The second byte is 0xff instead of 0x9f (two reserved bits
- * disabled) since a Broadcom 1.2 dongle doesn't respond to the
- * command otherwise.
- */
- u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
-
- /* CSR 1.1 dongles does not accept any bitfield so don't try to set
- * any event mask for pre 1.2 devices.
- */
- if (hdev->hci_ver < BLUETOOTH_VER_1_2)
- return;
-
- if (lmp_bredr_capable(hdev)) {
- events[4] |= 0x01; /* Flow Specification Complete */
- } else {
- /* Use a different default for LE-only devices */
- memset(events, 0, sizeof(events));
- events[1] |= 0x20; /* Command Complete */
- events[1] |= 0x40; /* Command Status */
- events[1] |= 0x80; /* Hardware Error */
-
- /* If the controller supports the Disconnect command, enable
- * the corresponding event. In addition enable packet flow
- * control related events.
- */
- if (hdev->commands[0] & 0x20) {
- events[0] |= 0x10; /* Disconnection Complete */
- events[2] |= 0x04; /* Number of Completed Packets */
- events[3] |= 0x02; /* Data Buffer Overflow */
- }
-
- /* If the controller supports the Read Remote Version
- * Information command, enable the corresponding event.
- */
- if (hdev->commands[2] & 0x80)
- events[1] |= 0x08; /* Read Remote Version Information
- * Complete
- */
-
- if (hdev->le_features[0] & HCI_LE_ENCRYPTION) {
- events[0] |= 0x80; /* Encryption Change */
- events[5] |= 0x80; /* Encryption Key Refresh Complete */
- }
- }
-
- if (lmp_inq_rssi_capable(hdev) ||
- test_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks))
- events[4] |= 0x02; /* Inquiry Result with RSSI */
-
- if (lmp_ext_feat_capable(hdev))
- events[4] |= 0x04; /* Read Remote Extended Features Complete */
-
- if (lmp_esco_capable(hdev)) {
- events[5] |= 0x08; /* Synchronous Connection Complete */
- events[5] |= 0x10; /* Synchronous Connection Changed */
- }
-
- if (lmp_sniffsubr_capable(hdev))
- events[5] |= 0x20; /* Sniff Subrating */
-
- if (lmp_pause_enc_capable(hdev))
- events[5] |= 0x80; /* Encryption Key Refresh Complete */
-
- if (lmp_ext_inq_capable(hdev))
- events[5] |= 0x40; /* Extended Inquiry Result */
-
- if (lmp_no_flush_capable(hdev))
- events[7] |= 0x01; /* Enhanced Flush Complete */
-
- if (lmp_lsto_capable(hdev))
- events[6] |= 0x80; /* Link Supervision Timeout Changed */
-
- if (lmp_ssp_capable(hdev)) {
- events[6] |= 0x01; /* IO Capability Request */
- events[6] |= 0x02; /* IO Capability Response */
- events[6] |= 0x04; /* User Confirmation Request */
- events[6] |= 0x08; /* User Passkey Request */
- events[6] |= 0x10; /* Remote OOB Data Request */
- events[6] |= 0x20; /* Simple Pairing Complete */
- events[7] |= 0x04; /* User Passkey Notification */
- events[7] |= 0x08; /* Keypress Notification */
- events[7] |= 0x10; /* Remote Host Supported
- * Features Notification
- */
- }
-
- if (lmp_le_capable(hdev))
- events[7] |= 0x20; /* LE Meta-Event */
-
- hci_req_add(req, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
-}
-
-static int hci_init2_req(struct hci_request *req, unsigned long opt)
-{
- struct hci_dev *hdev = req->hdev;
-
- if (hdev->dev_type == HCI_AMP)
- return amp_init2(req);
-
- if (lmp_bredr_capable(hdev))
- bredr_setup(req);
- else
- hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
-
- if (lmp_le_capable(hdev))
- le_setup(req);
-
- /* All Bluetooth 1.2 and later controllers should support the
- * HCI command for reading the local supported commands.
- *
- * Unfortunately some controllers indicate Bluetooth 1.2 support,
- * but do not have support for this command. If that is the case,
- * the driver can quirk the behavior and skip reading the local
- * supported commands.
- */
- if (hdev->hci_ver > BLUETOOTH_VER_1_1 &&
- !test_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks))
- hci_req_add(req, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
-
- if (lmp_ssp_capable(hdev)) {
- /* When SSP is available, then the host features page
- * should also be available as well. However some
- * controllers list the max_page as 0 as long as SSP
- * has not been enabled. To achieve proper debugging
- * output, force the minimum max_page to 1 at least.
- */
- hdev->max_page = 0x01;
-
- if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
- u8 mode = 0x01;
-
- hci_req_add(req, HCI_OP_WRITE_SSP_MODE,
- sizeof(mode), &mode);
- } else {
- struct hci_cp_write_eir cp;
-
- memset(hdev->eir, 0, sizeof(hdev->eir));
- memset(&cp, 0, sizeof(cp));
-
- hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
- }
- }
-
- if (lmp_inq_rssi_capable(hdev) ||
- test_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks)) {
- u8 mode;
-
- /* If Extended Inquiry Result events are supported, then
- * they are clearly preferred over Inquiry Result with RSSI
- * events.
- */
- mode = lmp_ext_inq_capable(hdev) ? 0x02 : 0x01;
-
- hci_req_add(req, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
- }
-
- if (lmp_inq_tx_pwr_capable(hdev))
- hci_req_add(req, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
-
- if (lmp_ext_feat_capable(hdev)) {
- struct hci_cp_read_local_ext_features cp;
-
- cp.page = 0x01;
- hci_req_add(req, HCI_OP_READ_LOCAL_EXT_FEATURES,
- sizeof(cp), &cp);
- }
-
- if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) {
- u8 enable = 1;
- hci_req_add(req, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable),
- &enable);
- }
-
- return 0;
-}
-
-static void hci_setup_link_policy(struct hci_request *req)
-{
- struct hci_dev *hdev = req->hdev;
- struct hci_cp_write_def_link_policy cp;
- u16 link_policy = 0;
-
- if (lmp_rswitch_capable(hdev))
- link_policy |= HCI_LP_RSWITCH;
- if (lmp_hold_capable(hdev))
- link_policy |= HCI_LP_HOLD;
- if (lmp_sniff_capable(hdev))
- link_policy |= HCI_LP_SNIFF;
- if (lmp_park_capable(hdev))
- link_policy |= HCI_LP_PARK;
-
- cp.policy = cpu_to_le16(link_policy);
- hci_req_add(req, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(cp), &cp);
-}
-
-static void hci_set_le_support(struct hci_request *req)
-{
- struct hci_dev *hdev = req->hdev;
- struct hci_cp_write_le_host_supported cp;
-
- /* LE-only devices do not support explicit enablement */
- if (!lmp_bredr_capable(hdev))
- return;
-
- memset(&cp, 0, sizeof(cp));
-
- if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
- cp.le = 0x01;
- cp.simul = 0x00;
- }
-
- if (cp.le != lmp_host_le_capable(hdev))
- hci_req_add(req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp),
- &cp);
-}
-
-static void hci_set_event_mask_page_2(struct hci_request *req)
-{
- struct hci_dev *hdev = req->hdev;
- u8 events[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
- bool changed = false;
-
- /* If Connectionless Peripheral Broadcast central role is supported
- * enable all necessary events for it.
- */
- if (lmp_cpb_central_capable(hdev)) {
- events[1] |= 0x40; /* Triggered Clock Capture */
- events[1] |= 0x80; /* Synchronization Train Complete */
- events[2] |= 0x10; /* Peripheral Page Response Timeout */
- events[2] |= 0x20; /* CPB Channel Map Change */
- changed = true;
- }
-
- /* If Connectionless Peripheral Broadcast peripheral role is supported
- * enable all necessary events for it.
- */
- if (lmp_cpb_peripheral_capable(hdev)) {
- events[2] |= 0x01; /* Synchronization Train Received */
- events[2] |= 0x02; /* CPB Receive */
- events[2] |= 0x04; /* CPB Timeout */
- events[2] |= 0x08; /* Truncated Page Complete */
- changed = true;
- }
-
- /* Enable Authenticated Payload Timeout Expired event if supported */
- if (lmp_ping_capable(hdev) || hdev->le_features[0] & HCI_LE_PING) {
- events[2] |= 0x80;
- changed = true;
- }
-
- /* Some Broadcom based controllers indicate support for Set Event
- * Mask Page 2 command, but then actually do not support it. Since
- * the default value is all bits set to zero, the command is only
- * required if the event mask has to be changed. In case no change
- * to the event mask is needed, skip this command.
- */
- if (changed)
- hci_req_add(req, HCI_OP_SET_EVENT_MASK_PAGE_2,
- sizeof(events), events);
-}
-
-static int hci_init3_req(struct hci_request *req, unsigned long opt)
-{
- struct hci_dev *hdev = req->hdev;
- u8 p;
-
- hci_setup_event_mask(req);
-
- if (hdev->commands[6] & 0x20 &&
- !test_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks)) {
- struct hci_cp_read_stored_link_key cp;
-
- bacpy(&cp.bdaddr, BDADDR_ANY);
- cp.read_all = 0x01;
- hci_req_add(req, HCI_OP_READ_STORED_LINK_KEY, sizeof(cp), &cp);
- }
-
- if (hdev->commands[5] & 0x10)
- hci_setup_link_policy(req);
-
- if (hdev->commands[8] & 0x01)
- hci_req_add(req, HCI_OP_READ_PAGE_SCAN_ACTIVITY, 0, NULL);
-
- if (hdev->commands[18] & 0x04 &&
- !test_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks))
- hci_req_add(req, HCI_OP_READ_DEF_ERR_DATA_REPORTING, 0, NULL);
-
- /* Some older Broadcom based Bluetooth 1.2 controllers do not
- * support the Read Page Scan Type command. Check support for
- * this command in the bit mask of supported commands.
- */
- if (hdev->commands[13] & 0x01)
- hci_req_add(req, HCI_OP_READ_PAGE_SCAN_TYPE, 0, NULL);
-
- if (lmp_le_capable(hdev)) {
- u8 events[8];
-
- memset(events, 0, sizeof(events));
-
- if (hdev->le_features[0] & HCI_LE_ENCRYPTION)
- events[0] |= 0x10; /* LE Long Term Key Request */
-
- /* If controller supports the Connection Parameters Request
- * Link Layer Procedure, enable the corresponding event.
- */
- if (hdev->le_features[0] & HCI_LE_CONN_PARAM_REQ_PROC)
- events[0] |= 0x20; /* LE Remote Connection
- * Parameter Request
- */
-
- /* If the controller supports the Data Length Extension
- * feature, enable the corresponding event.
- */
- if (hdev->le_features[0] & HCI_LE_DATA_LEN_EXT)
- events[0] |= 0x40; /* LE Data Length Change */
-
- /* If the controller supports LL Privacy feature, enable
- * the corresponding event.
- */
- if (hdev->le_features[0] & HCI_LE_LL_PRIVACY)
- events[1] |= 0x02; /* LE Enhanced Connection
- * Complete
- */
-
- /* If the controller supports Extended Scanner Filter
- * Policies, enable the corresponding event.
- */
- if (hdev->le_features[0] & HCI_LE_EXT_SCAN_POLICY)
- events[1] |= 0x04; /* LE Direct Advertising
- * Report
- */
-
- /* If the controller supports Channel Selection Algorithm #2
- * feature, enable the corresponding event.
- */
- if (hdev->le_features[1] & HCI_LE_CHAN_SEL_ALG2)
- events[2] |= 0x08; /* LE Channel Selection
- * Algorithm
- */
-
- /* If the controller supports the LE Set Scan Enable command,
- * enable the corresponding advertising report event.
- */
- if (hdev->commands[26] & 0x08)
- events[0] |= 0x02; /* LE Advertising Report */
-
- /* If the controller supports the LE Create Connection
- * command, enable the corresponding event.
- */
- if (hdev->commands[26] & 0x10)
- events[0] |= 0x01; /* LE Connection Complete */
-
- /* If the controller supports the LE Connection Update
- * command, enable the corresponding event.
- */
- if (hdev->commands[27] & 0x04)
- events[0] |= 0x04; /* LE Connection Update
- * Complete
- */
-
- /* If the controller supports the LE Read Remote Used Features
- * command, enable the corresponding event.
- */
- if (hdev->commands[27] & 0x20)
- events[0] |= 0x08; /* LE Read Remote Used
- * Features Complete
- */
-
- /* If the controller supports the LE Read Local P-256
- * Public Key command, enable the corresponding event.
- */
- if (hdev->commands[34] & 0x02)
- events[0] |= 0x80; /* LE Read Local P-256
- * Public Key Complete
- */
-
- /* If the controller supports the LE Generate DHKey
- * command, enable the corresponding event.
- */
- if (hdev->commands[34] & 0x04)
- events[1] |= 0x01; /* LE Generate DHKey Complete */
-
- /* If the controller supports the LE Set Default PHY or
- * LE Set PHY commands, enable the corresponding event.
- */
- if (hdev->commands[35] & (0x20 | 0x40))
- events[1] |= 0x08; /* LE PHY Update Complete */
-
- /* If the controller supports LE Set Extended Scan Parameters
- * and LE Set Extended Scan Enable commands, enable the
- * corresponding event.
- */
- if (use_ext_scan(hdev))
- events[1] |= 0x10; /* LE Extended Advertising
- * Report
- */
-
- /* If the controller supports the LE Extended Advertising
- * command, enable the corresponding event.
- */
- if (ext_adv_capable(hdev))
- events[2] |= 0x02; /* LE Advertising Set
- * Terminated
- */
-
- hci_req_add(req, HCI_OP_LE_SET_EVENT_MASK, sizeof(events),
- events);
-
- /* Read LE Advertising Channel TX Power */
- if ((hdev->commands[25] & 0x40) && !ext_adv_capable(hdev)) {
- /* HCI TS spec forbids mixing of legacy and extended
- * advertising commands wherein READ_ADV_TX_POWER is
- * also included. So do not call it if extended adv
- * is supported otherwise controller will return
- * COMMAND_DISALLOWED for extended commands.
- */
- hci_req_add(req, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL);
- }
-
- if (hdev->commands[38] & 0x80) {
- /* Read LE Min/Max Tx Power*/
- hci_req_add(req, HCI_OP_LE_READ_TRANSMIT_POWER,
- 0, NULL);
- }
-
- if (hdev->commands[26] & 0x40) {
- /* Read LE Accept List Size */
- hci_req_add(req, HCI_OP_LE_READ_ACCEPT_LIST_SIZE,
- 0, NULL);
- }
-
- if (hdev->commands[26] & 0x80) {
- /* Clear LE Accept List */
- hci_req_add(req, HCI_OP_LE_CLEAR_ACCEPT_LIST, 0, NULL);
- }
-
- if (hdev->commands[34] & 0x40) {
- /* Read LE Resolving List Size */
- hci_req_add(req, HCI_OP_LE_READ_RESOLV_LIST_SIZE,
- 0, NULL);
- }
-
- if (hdev->commands[34] & 0x20) {
- /* Clear LE Resolving List */
- hci_req_add(req, HCI_OP_LE_CLEAR_RESOLV_LIST, 0, NULL);
- }
-
- if (hdev->commands[35] & 0x04) {
- __le16 rpa_timeout = cpu_to_le16(hdev->rpa_timeout);
-
- /* Set RPA timeout */
- hci_req_add(req, HCI_OP_LE_SET_RPA_TIMEOUT, 2,
- &rpa_timeout);
- }
-
- if (hdev->le_features[0] & HCI_LE_DATA_LEN_EXT) {
- /* Read LE Maximum Data Length */
- hci_req_add(req, HCI_OP_LE_READ_MAX_DATA_LEN, 0, NULL);
-
- /* Read LE Suggested Default Data Length */
- hci_req_add(req, HCI_OP_LE_READ_DEF_DATA_LEN, 0, NULL);
- }
-
- if (ext_adv_capable(hdev)) {
- /* Read LE Number of Supported Advertising Sets */
- hci_req_add(req, HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS,
- 0, NULL);
- }
-
- hci_set_le_support(req);
- }
-
- /* Read features beyond page 1 if available */
- for (p = 2; p < HCI_MAX_PAGES && p <= hdev->max_page; p++) {
- struct hci_cp_read_local_ext_features cp;
-
- cp.page = p;
- hci_req_add(req, HCI_OP_READ_LOCAL_EXT_FEATURES,
- sizeof(cp), &cp);
- }
-
- return 0;
-}
-
-static int hci_init4_req(struct hci_request *req, unsigned long opt)
-{
- struct hci_dev *hdev = req->hdev;
-
- /* Some Broadcom based Bluetooth controllers do not support the
- * Delete Stored Link Key command. They are clearly indicating its
- * absence in the bit mask of supported commands.
- *
- * Check the supported commands and only if the command is marked
- * as supported send it. If not supported assume that the controller
- * does not have actual support for stored link keys which makes this
- * command redundant anyway.
- *
- * Some controllers indicate that they support handling deleting
- * stored link keys, but they don't. The quirk lets a driver
- * just disable this command.
- */
- if (hdev->commands[6] & 0x80 &&
- !test_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks)) {
- struct hci_cp_delete_stored_link_key cp;
-
- bacpy(&cp.bdaddr, BDADDR_ANY);
- cp.delete_all = 0x01;
- hci_req_add(req, HCI_OP_DELETE_STORED_LINK_KEY,
- sizeof(cp), &cp);
- }
-
- /* Set event mask page 2 if the HCI command for it is supported */
- if (hdev->commands[22] & 0x04)
- hci_set_event_mask_page_2(req);
-
- /* Read local pairing options if the HCI command is supported */
- if (hdev->commands[41] & 0x08)
- hci_req_add(req, HCI_OP_READ_LOCAL_PAIRING_OPTS, 0, NULL);
-
- /* Get MWS transport configuration if the HCI command is supported */
- if (hdev->commands[30] & 0x08)
- hci_req_add(req, HCI_OP_GET_MWS_TRANSPORT_CONFIG, 0, NULL);
-
- /* Check for Synchronization Train support */
- if (lmp_sync_train_capable(hdev))
- hci_req_add(req, HCI_OP_READ_SYNC_TRAIN_PARAMS, 0, NULL);
-
- /* Enable Secure Connections if supported and configured */
- if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
- bredr_sc_enabled(hdev)) {
- u8 support = 0x01;
-
- hci_req_add(req, HCI_OP_WRITE_SC_SUPPORT,
- sizeof(support), &support);
- }
-
- /* Set erroneous data reporting if supported to the wideband speech
- * setting value
- */
- if (hdev->commands[18] & 0x08 &&
- !test_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks)) {
- bool enabled = hci_dev_test_flag(hdev,
- HCI_WIDEBAND_SPEECH_ENABLED);
-
- if (enabled !=
- (hdev->err_data_reporting == ERR_DATA_REPORTING_ENABLED)) {
- struct hci_cp_write_def_err_data_reporting cp;
-
- cp.err_data_reporting = enabled ?
- ERR_DATA_REPORTING_ENABLED :
- ERR_DATA_REPORTING_DISABLED;
-
- hci_req_add(req, HCI_OP_WRITE_DEF_ERR_DATA_REPORTING,
- sizeof(cp), &cp);
- }
- }
-
- /* Set Suggested Default Data Length to maximum if supported */
- if (hdev->le_features[0] & HCI_LE_DATA_LEN_EXT) {
- struct hci_cp_le_write_def_data_len cp;
-
- cp.tx_len = cpu_to_le16(hdev->le_max_tx_len);
- cp.tx_time = cpu_to_le16(hdev->le_max_tx_time);
- hci_req_add(req, HCI_OP_LE_WRITE_DEF_DATA_LEN, sizeof(cp), &cp);
- }
-
- /* Set Default PHY parameters if command is supported */
- if (hdev->commands[35] & 0x20) {
- struct hci_cp_le_set_default_phy cp;
-
- cp.all_phys = 0x00;
- cp.tx_phys = hdev->le_tx_def_phys;
- cp.rx_phys = hdev->le_rx_def_phys;
-
- hci_req_add(req, HCI_OP_LE_SET_DEFAULT_PHY, sizeof(cp), &cp);
- }
-
- return 0;
-}
-
-static int __hci_init(struct hci_dev *hdev)
-{
- int err;
-
- err = __hci_req_sync(hdev, hci_init1_req, 0, HCI_INIT_TIMEOUT, NULL);
- if (err < 0)
- return err;
-
- if (hci_dev_test_flag(hdev, HCI_SETUP))
- hci_debugfs_create_basic(hdev);
-
- err = __hci_req_sync(hdev, hci_init2_req, 0, HCI_INIT_TIMEOUT, NULL);
- if (err < 0)
- return err;
-
- /* HCI_PRIMARY covers both single-mode LE, BR/EDR and dual-mode
- * BR/EDR/LE type controllers. AMP controllers only need the
- * first two stages of init.
- */
- if (hdev->dev_type != HCI_PRIMARY)
- return 0;
-
- err = __hci_req_sync(hdev, hci_init3_req, 0, HCI_INIT_TIMEOUT, NULL);
- if (err < 0)
- return err;
-
- err = __hci_req_sync(hdev, hci_init4_req, 0, HCI_INIT_TIMEOUT, NULL);
- if (err < 0)
- return err;
-
- /* Read local codec list if the HCI command is supported */
- if (hdev->commands[45] & 0x04)
- hci_read_supported_codecs_v2(hdev);
- else if (hdev->commands[29] & 0x20)
- hci_read_supported_codecs(hdev);
-
- /* This function is only called when the controller is actually in
- * configured state. When the controller is marked as unconfigured,
- * this initialization procedure is not run.
- *
- * It means that it is possible that a controller runs through its
- * setup phase and then discovers missing settings. If that is the
- * case, then this function will not be called. It then will only
- * be called during the config phase.
- *
- * So only when in setup phase or config phase, create the debugfs
- * entries and register the SMP channels.
- */
- if (!hci_dev_test_flag(hdev, HCI_SETUP) &&
- !hci_dev_test_flag(hdev, HCI_CONFIG))
- return 0;
-
- hci_debugfs_create_common(hdev);
-
- if (lmp_bredr_capable(hdev))
- hci_debugfs_create_bredr(hdev);
-
- if (lmp_le_capable(hdev))
- hci_debugfs_create_le(hdev);
-
- return 0;
-}
-
-static int hci_init0_req(struct hci_request *req, unsigned long opt)
-{
- struct hci_dev *hdev = req->hdev;
-
- BT_DBG("%s %ld", hdev->name, opt);
-
- /* Reset */
- if (!test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks))
- hci_reset_req(req, 0);
-
- /* Read Local Version */
- hci_req_add(req, HCI_OP_READ_LOCAL_VERSION, 0, NULL);
-
- /* Read BD Address */
- if (hdev->set_bdaddr)
- hci_req_add(req, HCI_OP_READ_BD_ADDR, 0, NULL);
-
- return 0;
-}
-
-static int __hci_unconf_init(struct hci_dev *hdev)
-{
- int err;
-
- if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
- return 0;
-
- err = __hci_req_sync(hdev, hci_init0_req, 0, HCI_INIT_TIMEOUT, NULL);
- if (err < 0)
- return err;
-
- if (hci_dev_test_flag(hdev, HCI_SETUP))
- hci_debugfs_create_basic(hdev);
-
- return 0;
-}
-
static int hci_scan_req(struct hci_request *req, unsigned long opt)
{
__u8 scan = opt;
switch (state) {
case DISCOVERY_STOPPED:
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
if (old_state != DISCOVERY_STARTING)
mgmt_discovering(hdev, 0);
return err;
}
-/**
- * hci_dev_get_bd_addr_from_property - Get the Bluetooth Device Address
- * (BD_ADDR) for a HCI device from
- * a firmware node property.
- * @hdev: The HCI device
- *
- * Search the firmware node for 'local-bd-address'.
- *
- * All-zero BD addresses are rejected, because those could be properties
- * that exist in the firmware tables, but were not updated by the firmware. For
- * example, the DTS could define 'local-bd-address', with zero BD addresses.
- */
-static void hci_dev_get_bd_addr_from_property(struct hci_dev *hdev)
-{
- struct fwnode_handle *fwnode = dev_fwnode(hdev->dev.parent);
- bdaddr_t ba;
- int ret;
-
- ret = fwnode_property_read_u8_array(fwnode, "local-bd-address",
- (u8 *)&ba, sizeof(ba));
- if (ret < 0 || !bacmp(&ba, BDADDR_ANY))
- return;
-
- bacpy(&hdev->public_addr, &ba);
-}
-
static int hci_dev_do_open(struct hci_dev *hdev)
{
int ret = 0;
hci_req_sync_lock(hdev);
- if (hci_dev_test_flag(hdev, HCI_UNREGISTER)) {
- ret = -ENODEV;
- goto done;
- }
-
- if (!hci_dev_test_flag(hdev, HCI_SETUP) &&
- !hci_dev_test_flag(hdev, HCI_CONFIG)) {
- /* Check for rfkill but allow the HCI setup stage to
- * proceed (which in itself doesn't cause any RF activity).
- */
- if (hci_dev_test_flag(hdev, HCI_RFKILLED)) {
- ret = -ERFKILL;
- goto done;
- }
-
- /* Check for valid public address or a configured static
- * random address, but let the HCI setup proceed to
- * be able to determine if there is a public address
- * or not.
- *
- * In case of user channel usage, it is not important
- * if a public address or static random address is
- * available.
- *
- * This check is only valid for BR/EDR controllers
- * since AMP controllers do not have an address.
- */
- if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
- hdev->dev_type == HCI_PRIMARY &&
- !bacmp(&hdev->bdaddr, BDADDR_ANY) &&
- !bacmp(&hdev->static_addr, BDADDR_ANY)) {
- ret = -EADDRNOTAVAIL;
- goto done;
- }
- }
-
- if (test_bit(HCI_UP, &hdev->flags)) {
- ret = -EALREADY;
- goto done;
- }
-
- if (hdev->open(hdev)) {
- ret = -EIO;
- goto done;
- }
-
- set_bit(HCI_RUNNING, &hdev->flags);
- hci_sock_dev_event(hdev, HCI_DEV_OPEN);
-
- atomic_set(&hdev->cmd_cnt, 1);
- set_bit(HCI_INIT, &hdev->flags);
-
- if (hci_dev_test_flag(hdev, HCI_SETUP) ||
- test_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks)) {
- bool invalid_bdaddr;
-
- hci_sock_dev_event(hdev, HCI_DEV_SETUP);
-
- if (hdev->setup)
- ret = hdev->setup(hdev);
-
- /* The transport driver can set the quirk to mark the
- * BD_ADDR invalid before creating the HCI device or in
- * its setup callback.
- */
- invalid_bdaddr = test_bit(HCI_QUIRK_INVALID_BDADDR,
- &hdev->quirks);
-
- if (ret)
- goto setup_failed;
-
- if (test_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks)) {
- if (!bacmp(&hdev->public_addr, BDADDR_ANY))
- hci_dev_get_bd_addr_from_property(hdev);
-
- if (bacmp(&hdev->public_addr, BDADDR_ANY) &&
- hdev->set_bdaddr) {
- ret = hdev->set_bdaddr(hdev,
- &hdev->public_addr);
-
- /* If setting of the BD_ADDR from the device
- * property succeeds, then treat the address
- * as valid even if the invalid BD_ADDR
- * quirk indicates otherwise.
- */
- if (!ret)
- invalid_bdaddr = false;
- }
- }
-
-setup_failed:
- /* The transport driver can set these quirks before
- * creating the HCI device or in its setup callback.
- *
- * For the invalid BD_ADDR quirk it is possible that
- * it becomes a valid address if the bootloader does
- * provide it (see above).
- *
- * In case any of them is set, the controller has to
- * start up as unconfigured.
- */
- if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
- invalid_bdaddr)
- hci_dev_set_flag(hdev, HCI_UNCONFIGURED);
-
- /* For an unconfigured controller it is required to
- * read at least the version information provided by
- * the Read Local Version Information command.
- *
- * If the set_bdaddr driver callback is provided, then
- * also the original Bluetooth public device address
- * will be read using the Read BD Address command.
- */
- if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
- ret = __hci_unconf_init(hdev);
- }
-
- if (hci_dev_test_flag(hdev, HCI_CONFIG)) {
- /* If public address change is configured, ensure that
- * the address gets programmed. If the driver does not
- * support changing the public address, fail the power
- * on procedure.
- */
- if (bacmp(&hdev->public_addr, BDADDR_ANY) &&
- hdev->set_bdaddr)
- ret = hdev->set_bdaddr(hdev, &hdev->public_addr);
- else
- ret = -EADDRNOTAVAIL;
- }
-
- if (!ret) {
- if (!hci_dev_test_flag(hdev, HCI_UNCONFIGURED) &&
- !hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) {
- ret = __hci_init(hdev);
- if (!ret && hdev->post_init)
- ret = hdev->post_init(hdev);
- }
- }
-
- /* If the HCI Reset command is clearing all diagnostic settings,
- * then they need to be reprogrammed after the init procedure
- * completed.
- */
- if (test_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks) &&
- !hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
- hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) && hdev->set_diag)
- ret = hdev->set_diag(hdev, true);
-
- msft_do_open(hdev);
- aosp_do_open(hdev);
-
- clear_bit(HCI_INIT, &hdev->flags);
-
- if (!ret) {
- hci_dev_hold(hdev);
- hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
- hci_adv_instances_set_rpa_expired(hdev, true);
- set_bit(HCI_UP, &hdev->flags);
- hci_sock_dev_event(hdev, HCI_DEV_UP);
- hci_leds_update_powered(hdev, true);
- if (!hci_dev_test_flag(hdev, HCI_SETUP) &&
- !hci_dev_test_flag(hdev, HCI_CONFIG) &&
- !hci_dev_test_flag(hdev, HCI_UNCONFIGURED) &&
- !hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
- hci_dev_test_flag(hdev, HCI_MGMT) &&
- hdev->dev_type == HCI_PRIMARY) {
- ret = __hci_req_hci_power_on(hdev);
- mgmt_power_on(hdev, ret);
- }
- } else {
- /* Init failed, cleanup */
- flush_work(&hdev->tx_work);
-
- /* Since hci_rx_work() is possible to awake new cmd_work
- * it should be flushed first to avoid unexpected call of
- * hci_cmd_work()
- */
- flush_work(&hdev->rx_work);
- flush_work(&hdev->cmd_work);
-
- skb_queue_purge(&hdev->cmd_q);
- skb_queue_purge(&hdev->rx_q);
-
- if (hdev->flush)
- hdev->flush(hdev);
-
- if (hdev->sent_cmd) {
- kfree_skb(hdev->sent_cmd);
- hdev->sent_cmd = NULL;
- }
-
- clear_bit(HCI_RUNNING, &hdev->flags);
- hci_sock_dev_event(hdev, HCI_DEV_CLOSE);
-
- hdev->close(hdev);
- hdev->flags &= BIT(HCI_RAW);
- }
+ ret = hci_dev_open_sync(hdev);
-done:
hci_req_sync_unlock(hdev);
return ret;
}
return err;
}
-/* This function requires the caller holds hdev->lock */
-static void hci_pend_le_actions_clear(struct hci_dev *hdev)
-{
- struct hci_conn_params *p;
-
- list_for_each_entry(p, &hdev->le_conn_params, list) {
- if (p->conn) {
- hci_conn_drop(p->conn);
- hci_conn_put(p->conn);
- p->conn = NULL;
- }
- list_del_init(&p->action);
- }
-
- BT_DBG("All LE pending actions cleared");
-}
-
int hci_dev_do_close(struct hci_dev *hdev)
{
- bool auto_off;
- int err = 0;
+ int err;
BT_DBG("%s %p", hdev->name, hdev);
- cancel_delayed_work(&hdev->power_off);
- cancel_delayed_work(&hdev->ncmd_timer);
-
- hci_request_cancel_all(hdev);
hci_req_sync_lock(hdev);
- if (!hci_dev_test_flag(hdev, HCI_UNREGISTER) &&
- !hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
- test_bit(HCI_UP, &hdev->flags)) {
- /* Execute vendor specific shutdown routine */
- if (hdev->shutdown)
- err = hdev->shutdown(hdev);
- }
-
- if (!test_and_clear_bit(HCI_UP, &hdev->flags)) {
- cancel_delayed_work_sync(&hdev->cmd_timer);
- hci_req_sync_unlock(hdev);
- return err;
- }
-
- hci_leds_update_powered(hdev, false);
-
- /* Flush RX and TX works */
- flush_work(&hdev->tx_work);
- flush_work(&hdev->rx_work);
-
- if (hdev->discov_timeout > 0) {
- hdev->discov_timeout = 0;
- hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
- hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
- }
-
- if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
- cancel_delayed_work(&hdev->service_cache);
-
- if (hci_dev_test_flag(hdev, HCI_MGMT)) {
- struct adv_info *adv_instance;
-
- cancel_delayed_work_sync(&hdev->rpa_expired);
-
- list_for_each_entry(adv_instance, &hdev->adv_instances, list)
- cancel_delayed_work_sync(&adv_instance->rpa_expired_cb);
- }
-
- /* Avoid potential lockdep warnings from the *_flush() calls by
- * ensuring the workqueue is empty up front.
- */
- drain_workqueue(hdev->workqueue);
-
- hci_dev_lock(hdev);
-
- hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
-
- auto_off = hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF);
-
- if (!auto_off && hdev->dev_type == HCI_PRIMARY &&
- !hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
- hci_dev_test_flag(hdev, HCI_MGMT))
- __mgmt_power_off(hdev);
-
- hci_inquiry_cache_flush(hdev);
- hci_pend_le_actions_clear(hdev);
- hci_conn_hash_flush(hdev);
- hci_dev_unlock(hdev);
-
- smp_unregister(hdev);
-
- hci_sock_dev_event(hdev, HCI_DEV_DOWN);
-
- aosp_do_close(hdev);
- msft_do_close(hdev);
-
- if (hdev->flush)
- hdev->flush(hdev);
-
- /* Reset device */
- skb_queue_purge(&hdev->cmd_q);
- atomic_set(&hdev->cmd_cnt, 1);
- if (test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks) &&
- !auto_off && !hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
- set_bit(HCI_INIT, &hdev->flags);
- __hci_req_sync(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT, NULL);
- clear_bit(HCI_INIT, &hdev->flags);
- }
-
- /* flush cmd work */
- flush_work(&hdev->cmd_work);
-
- /* Drop queues */
- skb_queue_purge(&hdev->rx_q);
- skb_queue_purge(&hdev->cmd_q);
- skb_queue_purge(&hdev->raw_q);
-
- /* Drop last sent command */
- if (hdev->sent_cmd) {
- cancel_delayed_work_sync(&hdev->cmd_timer);
- kfree_skb(hdev->sent_cmd);
- hdev->sent_cmd = NULL;
- }
-
- clear_bit(HCI_RUNNING, &hdev->flags);
- hci_sock_dev_event(hdev, HCI_DEV_CLOSE);
-
- if (test_and_clear_bit(SUSPEND_POWERING_DOWN, hdev->suspend_tasks))
- wake_up(&hdev->suspend_wait_q);
-
- /* After this point our queues are empty
- * and no tasks are scheduled. */
- hdev->close(hdev);
-
- /* Clear flags */
- hdev->flags &= BIT(HCI_RAW);
- hci_dev_clear_volatile_flags(hdev);
-
- /* Controller radio is available but is currently powered down */
- hdev->amp_status = AMP_STATUS_POWERED_DOWN;
-
- memset(hdev->eir, 0, sizeof(hdev->eir));
- memset(hdev->dev_class, 0, sizeof(hdev->dev_class));
- bacpy(&hdev->random_addr, BDADDR_ANY);
- hci_codec_list_clear(&hdev->local_codecs);
+ err = hci_dev_close_sync(hdev);
hci_req_sync_unlock(hdev);
- hci_dev_put(hdev);
return err;
}
atomic_set(&hdev->cmd_cnt, 1);
hdev->acl_cnt = 0; hdev->sco_cnt = 0; hdev->le_cnt = 0;
- ret = __hci_req_sync(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT, NULL);
+ ret = hci_reset_sync(hdev);
hci_req_sync_unlock(hdev);
return ret;
return ret;
}
-static void hci_update_scan_state(struct hci_dev *hdev, u8 scan)
+static void hci_update_passive_scan_state(struct hci_dev *hdev, u8 scan)
{
bool conn_changed, discov_changed;
* get correctly modified as this was a non-mgmt change.
*/
if (!err)
- hci_update_scan_state(hdev, dr.dev_opt);
+ hci_update_passive_scan_state(hdev, dr.dev_opt);
break;
case HCISETLINKPOL:
hci_dev_test_flag(hdev, HCI_MGMT) &&
hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF)) {
cancel_delayed_work(&hdev->power_off);
- hci_req_sync_lock(hdev);
- err = __hci_req_hci_power_on(hdev);
- hci_req_sync_unlock(hdev);
+ err = hci_powered_update_sync(hdev);
mgmt_power_on(hdev, err);
return;
}
switch (hci_get_adv_monitor_offload_ext(hdev)) {
case HCI_ADV_MONITOR_EXT_NONE:
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
bt_dev_dbg(hdev, "%s add monitor status %d", hdev->name, *err);
/* Message was not forwarded to controller - not an error */
return false;
pending = hci_remove_adv_monitor(hdev, monitor, handle, err);
if (!*err && !pending)
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
bt_dev_dbg(hdev, "%s remove monitor handle %d, status %d, %spending",
hdev->name, handle, *err, pending ? "" : "not ");
}
if (update)
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
bt_dev_dbg(hdev, "%s remove all monitors status %d, %spending",
hdev->name, *err, pending ? "" : "not ");
hci_conn_params_free(params);
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
BT_DBG("addr %pMR (type %u)", addr, addr_type);
}
}
}
-static void hci_suspend_clear_tasks(struct hci_dev *hdev)
-{
- int i;
-
- for (i = 0; i < __SUSPEND_NUM_TASKS; i++)
- clear_bit(i, hdev->suspend_tasks);
-
- wake_up(&hdev->suspend_wait_q);
-}
-
-static int hci_suspend_wait_event(struct hci_dev *hdev)
-{
-#define WAKE_COND \
- (find_first_bit(hdev->suspend_tasks, __SUSPEND_NUM_TASKS) == \
- __SUSPEND_NUM_TASKS)
-
- int i;
- int ret = wait_event_timeout(hdev->suspend_wait_q,
- WAKE_COND, SUSPEND_NOTIFIER_TIMEOUT);
-
- if (ret == 0) {
- bt_dev_err(hdev, "Timed out waiting for suspend events");
- for (i = 0; i < __SUSPEND_NUM_TASKS; ++i) {
- if (test_bit(i, hdev->suspend_tasks))
- bt_dev_err(hdev, "Suspend timeout bit: %d", i);
- clear_bit(i, hdev->suspend_tasks);
- }
-
- ret = -ETIMEDOUT;
- } else {
- ret = 0;
- }
-
- return ret;
-}
-
-static void hci_prepare_suspend(struct work_struct *work)
-{
- struct hci_dev *hdev =
- container_of(work, struct hci_dev, suspend_prepare);
-
- hci_dev_lock(hdev);
- hci_req_prepare_suspend(hdev, hdev->suspend_state_next);
- hci_dev_unlock(hdev);
-}
-
-static int hci_change_suspend_state(struct hci_dev *hdev,
- enum suspended_state next)
-{
- hdev->suspend_state_next = next;
- set_bit(SUSPEND_PREPARE_NOTIFIER, hdev->suspend_tasks);
- queue_work(hdev->req_workqueue, &hdev->suspend_prepare);
- return hci_suspend_wait_event(hdev);
-}
-
static void hci_clear_wake_reason(struct hci_dev *hdev)
{
hci_dev_lock(hdev);
INIT_WORK(&hdev->tx_work, hci_tx_work);
INIT_WORK(&hdev->power_on, hci_power_on);
INIT_WORK(&hdev->error_reset, hci_error_reset);
- INIT_WORK(&hdev->suspend_prepare, hci_prepare_suspend);
+
+ hci_cmd_sync_init(hdev);
INIT_DELAYED_WORK(&hdev->power_off, hci_power_off);
skb_queue_head_init(&hdev->raw_q);
init_waitqueue_head(&hdev->req_wait_q);
- init_waitqueue_head(&hdev->suspend_wait_q);
INIT_DELAYED_WORK(&hdev->cmd_timer, hci_cmd_timeout);
INIT_DELAYED_WORK(&hdev->ncmd_timer, hci_ncmd_timeout);
return id;
err_wqueue:
+ debugfs_remove_recursive(hdev->debugfs);
destroy_workqueue(hdev->workqueue);
destroy_workqueue(hdev->req_workqueue);
err:
cancel_work_sync(&hdev->power_on);
- if (!test_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks)) {
- hci_suspend_clear_tasks(hdev);
+ hci_cmd_sync_clear(hdev);
+
+ if (!test_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks))
unregister_pm_notifier(&hdev->suspend_notifier);
- cancel_work_sync(&hdev->suspend_prepare);
- }
msft_unregister(hdev);
int hci_suspend_dev(struct hci_dev *hdev)
{
int ret;
- u8 state = BT_RUNNING;
bt_dev_dbg(hdev, "");
hci_dev_test_flag(hdev, HCI_UNREGISTER))
return 0;
- /* If powering down, wait for completion. */
- if (mgmt_powering_down(hdev)) {
- set_bit(SUSPEND_POWERING_DOWN, hdev->suspend_tasks);
- ret = hci_suspend_wait_event(hdev);
- if (ret)
- goto done;
- }
-
- /* Suspend consists of two actions:
- * - First, disconnect everything and make the controller not
- * connectable (disabling scanning)
- * - Second, program event filter/accept list and enable scan
- */
- ret = hci_change_suspend_state(hdev, BT_SUSPEND_DISCONNECT);
- if (ret)
- goto clear;
-
- state = BT_SUSPEND_DISCONNECT;
+ /* If powering down don't attempt to suspend */
+ if (mgmt_powering_down(hdev))
+ return 0;
- /* Only configure accept list if device may wakeup. */
- if (hdev->wakeup && hdev->wakeup(hdev)) {
- ret = hci_change_suspend_state(hdev, BT_SUSPEND_CONFIGURE_WAKE);
- if (!ret)
- state = BT_SUSPEND_CONFIGURE_WAKE;
- }
+ hci_req_sync_lock(hdev);
+ ret = hci_suspend_sync(hdev);
+ hci_req_sync_unlock(hdev);
-clear:
hci_clear_wake_reason(hdev);
- mgmt_suspending(hdev, state);
+ mgmt_suspending(hdev, hdev->suspend_state);
-done:
- /* We always allow suspend even if suspend preparation failed and
- * attempt to recover in resume.
- */
hci_sock_dev_event(hdev, HCI_DEV_SUSPEND);
return ret;
}
if (mgmt_powering_down(hdev))
return 0;
- ret = hci_change_suspend_state(hdev, BT_RUNNING);
+ hci_req_sync_lock(hdev);
+ ret = hci_resume_sync(hdev);
+ hci_req_sync_unlock(hdev);
mgmt_resuming(hdev, hdev->wake_reason, &hdev->wake_addr,
- hdev->wake_addr_type);
+ hdev->wake_addr_type);
hci_sock_dev_event(hdev, HCI_DEV_RESUME);
return ret;
return hdev->sent_cmd->data + HCI_COMMAND_HDR_SIZE;
}
-/* Send HCI command and wait for command complete event */
-struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
- const void *param, u32 timeout)
-{
- struct sk_buff *skb;
-
- if (!test_bit(HCI_UP, &hdev->flags))
- return ERR_PTR(-ENETDOWN);
-
- bt_dev_dbg(hdev, "opcode 0x%4.4x plen %d", opcode, plen);
-
- hci_req_sync_lock(hdev);
- skb = __hci_cmd_sync(hdev, opcode, plen, param, timeout);
- hci_req_sync_unlock(hdev);
-
- return skb;
-}
-EXPORT_SYMBOL(hci_cmd_sync);
-
/* Send ACL data */
static void hci_add_acl_hdr(struct sk_buff *skb, __u16 handle, __u16 flags)
{
hdev->features[1][0] &= ~LMP_HOST_SSP;
}
- if (hci_dev_test_flag(hdev, HCI_MGMT))
- mgmt_ssp_enable_complete(hdev, sent->mode, status);
- else if (!status) {
+ if (!status) {
if (sent->mode)
hci_dev_set_flag(hdev, HCI_SSP_ENABLED);
else
hci_dev_unlock(hdev);
}
+static void hci_cc_le_remove_adv_set(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *)skb->data);
+ u8 *instance;
+ int err;
+
+ if (status)
+ return;
+
+ instance = hci_sent_cmd_data(hdev, HCI_OP_LE_REMOVE_ADV_SET);
+ if (!instance)
+ return;
+
+ hci_dev_lock(hdev);
+
+ err = hci_remove_adv_instance(hdev, *instance);
+ if (!err)
+ mgmt_advertising_removed(hci_skb_sk(hdev->sent_cmd), hdev,
+ *instance);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_le_clear_adv_sets(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *)skb->data);
+ struct adv_info *adv, *n;
+ int err;
+
+ if (status)
+ return;
+
+ if (!hci_sent_cmd_data(hdev, HCI_OP_LE_CLEAR_ADV_SETS))
+ return;
+
+ hci_dev_lock(hdev);
+
+ list_for_each_entry_safe(adv, n, &hdev->adv_instances, list) {
+ u8 instance = adv->instance;
+
+ err = hci_remove_adv_instance(hdev, instance);
+ if (!err)
+ mgmt_advertising_removed(hci_skb_sk(hdev->sent_cmd),
+ hdev, instance);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
static void hci_cc_le_read_transmit_power(struct hci_dev *hdev,
struct sk_buff *skb)
{
&conn->le_conn_timeout,
conn->conn_timeout);
} else {
- if (adv) {
- adv->enabled = false;
+ if (cp->num_of_sets) {
+ if (adv)
+ adv->enabled = false;
+
/* If just one instance was disabled check if there are
* any other instance enabled before clearing HCI_LE_ADV
*/
/* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
* interrupted scanning due to a connect request. Mark
- * therefore discovery as stopped. If this was not
- * because of a connect request advertising might have
- * been disabled because of active scanning, so
- * re-enable it again if necessary.
+ * therefore discovery as stopped.
*/
if (hci_dev_test_and_clear_flag(hdev, HCI_LE_SCAN_INTERRUPTED))
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
- else if (!hci_dev_test_flag(hdev, HCI_LE_ADV) &&
- hdev->discovery.state == DISCOVERY_FINDING)
- hci_req_reenable_advertising(hdev);
break;
static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
{
struct hci_cp_disconnect *cp;
+ struct hci_conn_params *params;
struct hci_conn *conn;
+ bool mgmt_conn;
- if (!status)
+ /* Wait for HCI_EV_DISCONN_COMPLETE if status 0x00 and not suspended
+ * otherwise cleanup the connection immediately.
+ */
+ if (!status && !hdev->suspended)
return;
cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
- if (conn) {
+ if (!conn)
+ goto unlock;
+
+ if (status) {
mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
conn->dst_type, status);
if (conn->type == LE_LINK && conn->role == HCI_ROLE_SLAVE) {
hdev->cur_adv_instance = conn->adv_instance;
- hci_req_reenable_advertising(hdev);
+ hci_enable_advertising(hdev);
}
- /* If the disconnection failed for any reason, the upper layer
- * does not retry to disconnect in current implementation.
- * Hence, we need to do some basic cleanup here and re-enable
- * advertising if necessary.
- */
- hci_conn_del(conn);
+ goto done;
+ }
+
+ mgmt_conn = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
+
+ if (conn->type == ACL_LINK) {
+ if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
+ hci_remove_link_key(hdev, &conn->dst);
+ }
+
+ params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
+ if (params) {
+ switch (params->auto_connect) {
+ case HCI_AUTO_CONN_LINK_LOSS:
+ if (cp->reason != HCI_ERROR_CONNECTION_TIMEOUT)
+ break;
+ fallthrough;
+
+ case HCI_AUTO_CONN_DIRECT:
+ case HCI_AUTO_CONN_ALWAYS:
+ list_del_init(¶ms->action);
+ list_add(¶ms->action, &hdev->pend_le_conns);
+ break;
+
+ default:
+ break;
+ }
}
+ mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
+ cp->reason, mgmt_conn);
+
+ hci_disconn_cfm(conn, cp->reason);
+
+done:
+ /* If the disconnection failed for any reason, the upper layer
+ * does not retry to disconnect in current implementation.
+ * Hence, we need to do some basic cleanup here and re-enable
+ * advertising if necessary.
+ */
+ hci_conn_del(conn);
+unlock:
hci_dev_unlock(hdev);
}
case HCI_AUTO_CONN_ALWAYS:
list_del_init(¶ms->action);
list_add(¶ms->action, &hdev->pend_le_conns);
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
break;
default:
hci_disconn_cfm(conn, ev->reason);
- /* The suspend notifier is waiting for all devices to disconnect so
- * clear the bit from pending tasks and inform the wait queue.
- */
- if (list_empty(&hdev->conn_hash.list) &&
- test_and_clear_bit(SUSPEND_DISCONNECTING, hdev->suspend_tasks)) {
- wake_up(&hdev->suspend_wait_q);
- }
-
/* Re-enable advertising if necessary, since it might
* have been disabled by the connection. From the
* HCI_LE_Set_Advertise_Enable command description in
*/
if (conn->type == LE_LINK && conn->role == HCI_ROLE_SLAVE) {
hdev->cur_adv_instance = conn->adv_instance;
- hci_req_reenable_advertising(hdev);
+ hci_enable_advertising(hdev);
}
hci_conn_del(conn);
hci_cc_le_set_adv_set_random_addr(hdev, skb);
break;
+ case HCI_OP_LE_REMOVE_ADV_SET:
+ hci_cc_le_remove_adv_set(hdev, skb);
+ break;
+
+ case HCI_OP_LE_CLEAR_ADV_SETS:
+ hci_cc_le_clear_adv_sets(hdev, skb);
+ break;
+
case HCI_OP_LE_READ_TRANSMIT_POWER:
hci_cc_le_read_transmit_power(hdev, skb);
break;
{
struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
struct hci_conn *conn;
- unsigned int notify_evt;
BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
}
bt_dev_dbg(hdev, "SCO connected with air mode: %02x", ev->air_mode);
-
- switch (ev->air_mode) {
- case 0x02:
- notify_evt = HCI_NOTIFY_ENABLE_SCO_CVSD;
- break;
- case 0x03:
- notify_evt = HCI_NOTIFY_ENABLE_SCO_TRANSP;
- break;
- }
-
/* Notify only in case of SCO over HCI transport data path which
* is zero and non-zero value shall be non-HCI transport data path
*/
- if (conn->codec.data_path == 0) {
- if (hdev->notify)
- hdev->notify(hdev, notify_evt);
+ if (conn->codec.data_path == 0 && hdev->notify) {
+ switch (ev->air_mode) {
+ case 0x02:
+ hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_CVSD);
+ break;
+ case 0x03:
+ hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_TRANSP);
+ break;
+ }
}
hci_connect_cfm(conn, ev->status);
}
unlock:
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
hci_dev_unlock(hdev);
}
le16_to_cpu(ev->interval),
le16_to_cpu(ev->latency),
le16_to_cpu(ev->supervision_timeout));
-
- if (use_ll_privacy(hdev) &&
- hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) &&
- hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION))
- hci_req_disable_address_resolution(hdev);
}
static void hci_le_ext_adv_term_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_evt_le_ext_adv_set_term *ev = (void *) skb->data;
struct hci_conn *conn;
- struct adv_info *adv;
+ struct adv_info *adv, *n;
BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
adv = hci_find_adv_instance(hdev, ev->handle);
+ /* The Bluetooth Core 5.3 specification clearly states that this event
+ * shall not be sent when the Host disables the advertising set. So in
+ * case of HCI_ERROR_CANCELLED_BY_HOST, just ignore the event.
+ *
+ * When the Host disables an advertising set, all cleanup is done via
+ * its command callback and not needed to be duplicated here.
+ */
+ if (ev->status == HCI_ERROR_CANCELLED_BY_HOST) {
+ bt_dev_warn_ratelimited(hdev, "Unexpected advertising set terminated event");
+ return;
+ }
+
if (ev->status) {
if (!adv)
return;
hci_remove_adv_instance(hdev, ev->handle);
mgmt_advertising_removed(NULL, hdev, ev->handle);
+ list_for_each_entry_safe(adv, n, &hdev->adv_instances, list) {
+ if (adv->enabled)
+ return;
+ }
+
+ /* We are no longer advertising, clear HCI_LE_ADV */
+ hci_dev_clear_flag(hdev, HCI_LE_ADV);
return;
}
if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
return NULL;
- /* Ignore if the device is blocked */
- if (hci_bdaddr_list_lookup(&hdev->reject_list, addr, addr_type))
+ /* Ignore if the device is blocked or hdev is suspended */
+ if (hci_bdaddr_list_lookup(&hdev->reject_list, addr, addr_type) ||
+ hdev->suspended)
return NULL;
/* Most controller will fail if we try to create new connections
struct hci_ev_le_advertising_info *ev = ptr;
s8 rssi;
- if (ev->length <= HCI_MAX_AD_LENGTH) {
+ if (ev->length <= HCI_MAX_AD_LENGTH &&
+ ev->data + ev->length <= skb_tail_pointer(skb)) {
rssi = ev->data[ev->length];
process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
ev->bdaddr_type, NULL, 0, rssi,
}
ptr += sizeof(*ev) + ev->length + 1;
+
+ if (ptr > (void *) skb_tail_pointer(skb) - sizeof(*ev)) {
+ bt_dev_err(hdev, "Malicious advertising data. Stopping processing");
+ break;
+ }
}
hci_dev_unlock(hdev);
#include "msft.h"
#include "eir.h"
-#define HCI_REQ_DONE 0
-#define HCI_REQ_PEND 1
-#define HCI_REQ_CANCELED 2
-
void hci_req_init(struct hci_request *req, struct hci_dev *hdev)
{
skb_queue_head_init(&req->cmd_q);
return req_run(req, NULL, complete);
}
-static void hci_req_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode,
- struct sk_buff *skb)
+void hci_req_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode,
+ struct sk_buff *skb)
{
bt_dev_dbg(hdev, "result 0x%2.2x", result);
}
}
-struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
- const void *param, u8 event, u32 timeout)
-{
- struct hci_request req;
- struct sk_buff *skb;
- int err = 0;
-
- bt_dev_dbg(hdev, "");
-
- hci_req_init(&req, hdev);
-
- hci_req_add_ev(&req, opcode, plen, param, event);
-
- hdev->req_status = HCI_REQ_PEND;
-
- err = hci_req_run_skb(&req, hci_req_sync_complete);
- if (err < 0)
- return ERR_PTR(err);
-
- err = wait_event_interruptible_timeout(hdev->req_wait_q,
- hdev->req_status != HCI_REQ_PEND, timeout);
-
- if (err == -ERESTARTSYS)
- return ERR_PTR(-EINTR);
-
- switch (hdev->req_status) {
- case HCI_REQ_DONE:
- err = -bt_to_errno(hdev->req_result);
- break;
-
- case HCI_REQ_CANCELED:
- err = -hdev->req_result;
- break;
-
- default:
- err = -ETIMEDOUT;
- break;
- }
-
- hdev->req_status = hdev->req_result = 0;
- skb = hdev->req_skb;
- hdev->req_skb = NULL;
-
- bt_dev_dbg(hdev, "end: err %d", err);
-
- if (err < 0) {
- kfree_skb(skb);
- return ERR_PTR(err);
- }
-
- if (!skb)
- return ERR_PTR(-ENODATA);
-
- return skb;
-}
-EXPORT_SYMBOL(__hci_cmd_sync_ev);
-
-struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
- const void *param, u32 timeout)
-{
- return __hci_cmd_sync_ev(hdev, opcode, plen, param, 0, timeout);
-}
-EXPORT_SYMBOL(__hci_cmd_sync);
-
/* Execute request and wait for completion. */
int __hci_req_sync(struct hci_dev *hdev, int (*func)(struct hci_request *req,
unsigned long opt),
return false;
}
-/* This function controls the background scanning based on hdev->pend_le_conns
- * list. If there are pending LE connection we start the background scanning,
- * otherwise we stop it.
- *
- * This function requires the caller holds hdev->lock.
- */
-static void __hci_update_background_scan(struct hci_request *req)
-{
- struct hci_dev *hdev = req->hdev;
-
- if (!test_bit(HCI_UP, &hdev->flags) ||
- test_bit(HCI_INIT, &hdev->flags) ||
- hci_dev_test_flag(hdev, HCI_SETUP) ||
- hci_dev_test_flag(hdev, HCI_CONFIG) ||
- hci_dev_test_flag(hdev, HCI_AUTO_OFF) ||
- hci_dev_test_flag(hdev, HCI_UNREGISTER))
- return;
-
- /* No point in doing scanning if LE support hasn't been enabled */
- if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
- return;
-
- /* If discovery is active don't interfere with it */
- if (hdev->discovery.state != DISCOVERY_STOPPED)
- return;
-
- /* Reset RSSI and UUID filters when starting background scanning
- * since these filters are meant for service discovery only.
- *
- * The Start Discovery and Start Service Discovery operations
- * ensure to set proper values for RSSI threshold and UUID
- * filter list. So it is safe to just reset them here.
- */
- hci_discovery_filter_clear(hdev);
-
- bt_dev_dbg(hdev, "ADV monitoring is %s",
- hci_is_adv_monitoring(hdev) ? "on" : "off");
-
- if (list_empty(&hdev->pend_le_conns) &&
- list_empty(&hdev->pend_le_reports) &&
- !hci_is_adv_monitoring(hdev)) {
- /* If there is no pending LE connections or devices
- * to be scanned for or no ADV monitors, we should stop the
- * background scanning.
- */
-
- /* If controller is not scanning we are done. */
- if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
- return;
-
- hci_req_add_le_scan_disable(req, false);
-
- bt_dev_dbg(hdev, "stopping background scanning");
- } else {
- /* If there is at least one pending LE connection, we should
- * keep the background scan running.
- */
-
- /* If controller is connecting, we should not start scanning
- * since some controllers are not able to scan and connect at
- * the same time.
- */
- if (hci_lookup_le_connect(hdev))
- return;
-
- /* If controller is currently scanning, we stop it to ensure we
- * don't miss any advertising (due to duplicates filter).
- */
- if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
- hci_req_add_le_scan_disable(req, false);
-
- hci_req_add_le_passive_scan(req);
- bt_dev_dbg(hdev, "starting background scanning");
- }
-}
-
void __hci_req_update_name(struct hci_request *req)
{
struct hci_dev *hdev = req->hdev;
return;
}
- if (hdev->suspended)
- set_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);
-
if (use_ext_scan(hdev)) {
struct hci_cp_le_set_ext_scan_enable cp;
}
/* Disable address resolution */
- if (use_ll_privacy(hdev) &&
- hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) &&
- hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION) && !rpa_le_conn) {
+ if (hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION) && !rpa_le_conn) {
__u8 enable = 0x00;
hci_req_add(req, HCI_OP_LE_SET_ADDR_RESOLV_ENABLE, 1, &enable);
cp.bdaddr_type);
hci_req_add(req, HCI_OP_LE_DEL_FROM_ACCEPT_LIST, sizeof(cp), &cp);
- if (use_ll_privacy(req->hdev) &&
- hci_dev_test_flag(req->hdev, HCI_ENABLE_LL_PRIVACY)) {
+ if (use_ll_privacy(req->hdev)) {
struct smp_irk *irk;
irk = hci_find_irk_by_addr(req->hdev, bdaddr, bdaddr_type);
cp.bdaddr_type);
hci_req_add(req, HCI_OP_LE_ADD_TO_ACCEPT_LIST, sizeof(cp), &cp);
- if (use_ll_privacy(hdev) &&
- hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY)) {
+ if (use_ll_privacy(hdev)) {
struct smp_irk *irk;
irk = hci_find_irk_by_addr(hdev, ¶ms->addr,
*/
bool allow_rpa = hdev->suspended;
- if (use_ll_privacy(hdev) &&
- hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
+ if (use_ll_privacy(hdev))
allow_rpa = true;
/* Go through the current accept list programmed into the
return;
}
- if (use_ll_privacy(hdev) &&
- hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) &&
- addr_resolv) {
+ if (use_ll_privacy(hdev) && addr_resolv) {
u8 enable = 0x01;
hci_req_add(req, HCI_OP_LE_SET_ADDR_RESOLV_ENABLE, 1, &enable);
if (hdev->suspended) {
window = hdev->le_scan_window_suspend;
interval = hdev->le_scan_int_suspend;
-
- set_bit(SUSPEND_SCAN_ENABLE, hdev->suspend_tasks);
} else if (hci_is_le_conn_scanning(hdev)) {
window = hdev->le_scan_window_connect;
interval = hdev->le_scan_int_connect;
addr_resolv);
}
-static void hci_req_clear_event_filter(struct hci_request *req)
-{
- struct hci_cp_set_event_filter f;
-
- if (!hci_dev_test_flag(req->hdev, HCI_BREDR_ENABLED))
- return;
-
- if (hci_dev_test_flag(req->hdev, HCI_EVENT_FILTER_CONFIGURED)) {
- memset(&f, 0, sizeof(f));
- f.flt_type = HCI_FLT_CLEAR_ALL;
- hci_req_add(req, HCI_OP_SET_EVENT_FLT, 1, &f);
- }
-}
-
-static void hci_req_set_event_filter(struct hci_request *req)
-{
- struct bdaddr_list_with_flags *b;
- struct hci_cp_set_event_filter f;
- struct hci_dev *hdev = req->hdev;
- u8 scan = SCAN_DISABLED;
- bool scanning = test_bit(HCI_PSCAN, &hdev->flags);
-
- if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
- return;
-
- /* Always clear event filter when starting */
- hci_req_clear_event_filter(req);
-
- list_for_each_entry(b, &hdev->accept_list, list) {
- if (!hci_conn_test_flag(HCI_CONN_FLAG_REMOTE_WAKEUP,
- b->current_flags))
- continue;
-
- memset(&f, 0, sizeof(f));
- bacpy(&f.addr_conn_flt.bdaddr, &b->bdaddr);
- f.flt_type = HCI_FLT_CONN_SETUP;
- f.cond_type = HCI_CONN_SETUP_ALLOW_BDADDR;
- f.addr_conn_flt.auto_accept = HCI_CONN_SETUP_AUTO_ON;
-
- bt_dev_dbg(hdev, "Adding event filters for %pMR", &b->bdaddr);
- hci_req_add(req, HCI_OP_SET_EVENT_FLT, sizeof(f), &f);
- scan = SCAN_PAGE;
- }
-
- if (scan && !scanning) {
- set_bit(SUSPEND_SCAN_ENABLE, hdev->suspend_tasks);
- hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
- } else if (!scan && scanning) {
- set_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);
- hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
- }
-}
-
static void cancel_adv_timeout(struct hci_dev *hdev)
{
if (hdev->adv_instance_timeout) {
return hci_req_run(&req, NULL);
}
-static void suspend_req_complete(struct hci_dev *hdev, u8 status, u16 opcode)
-{
- bt_dev_dbg(hdev, "Request complete opcode=0x%x, status=0x%x", opcode,
- status);
- if (test_bit(SUSPEND_SCAN_ENABLE, hdev->suspend_tasks) ||
- test_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks)) {
- clear_bit(SUSPEND_SCAN_ENABLE, hdev->suspend_tasks);
- clear_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);
- wake_up(&hdev->suspend_wait_q);
- }
-
- if (test_bit(SUSPEND_SET_ADV_FILTER, hdev->suspend_tasks)) {
- clear_bit(SUSPEND_SET_ADV_FILTER, hdev->suspend_tasks);
- wake_up(&hdev->suspend_wait_q);
- }
-}
-
-static void hci_req_prepare_adv_monitor_suspend(struct hci_request *req,
- bool suspending)
-{
- struct hci_dev *hdev = req->hdev;
-
- switch (hci_get_adv_monitor_offload_ext(hdev)) {
- case HCI_ADV_MONITOR_EXT_MSFT:
- if (suspending)
- msft_suspend(hdev);
- else
- msft_resume(hdev);
- break;
- default:
- return;
- }
-
- /* No need to block when enabling since it's on resume path */
- if (hdev->suspended && suspending)
- set_bit(SUSPEND_SET_ADV_FILTER, hdev->suspend_tasks);
-}
-
-/* Call with hci_dev_lock */
-void hci_req_prepare_suspend(struct hci_dev *hdev, enum suspended_state next)
-{
- int old_state;
- struct hci_conn *conn;
- struct hci_request req;
- u8 page_scan;
- int disconnect_counter;
-
- if (next == hdev->suspend_state) {
- bt_dev_dbg(hdev, "Same state before and after: %d", next);
- goto done;
- }
-
- hdev->suspend_state = next;
- hci_req_init(&req, hdev);
-
- if (next == BT_SUSPEND_DISCONNECT) {
- /* Mark device as suspended */
- hdev->suspended = true;
-
- /* Pause discovery if not already stopped */
- old_state = hdev->discovery.state;
- if (old_state != DISCOVERY_STOPPED) {
- set_bit(SUSPEND_PAUSE_DISCOVERY, hdev->suspend_tasks);
- hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
- queue_work(hdev->req_workqueue, &hdev->discov_update);
- }
-
- hdev->discovery_paused = true;
- hdev->discovery_old_state = old_state;
-
- /* Stop directed advertising */
- old_state = hci_dev_test_flag(hdev, HCI_ADVERTISING);
- if (old_state) {
- set_bit(SUSPEND_PAUSE_ADVERTISING, hdev->suspend_tasks);
- cancel_delayed_work(&hdev->discov_off);
- queue_delayed_work(hdev->req_workqueue,
- &hdev->discov_off, 0);
- }
-
- /* Pause other advertisements */
- if (hdev->adv_instance_cnt)
- __hci_req_pause_adv_instances(&req);
-
- hdev->advertising_paused = true;
- hdev->advertising_old_state = old_state;
-
- /* Disable page scan if enabled */
- if (test_bit(HCI_PSCAN, &hdev->flags)) {
- page_scan = SCAN_DISABLED;
- hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1,
- &page_scan);
- set_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);
- }
-
- /* Disable LE passive scan if enabled */
- if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
- cancel_interleave_scan(hdev);
- hci_req_add_le_scan_disable(&req, false);
- }
-
- /* Disable advertisement filters */
- hci_req_prepare_adv_monitor_suspend(&req, true);
-
- /* Prevent disconnects from causing scanning to be re-enabled */
- hdev->scanning_paused = true;
-
- /* Run commands before disconnecting */
- hci_req_run(&req, suspend_req_complete);
-
- disconnect_counter = 0;
- /* Soft disconnect everything (power off) */
- list_for_each_entry(conn, &hdev->conn_hash.list, list) {
- hci_disconnect(conn, HCI_ERROR_REMOTE_POWER_OFF);
- disconnect_counter++;
- }
-
- if (disconnect_counter > 0) {
- bt_dev_dbg(hdev,
- "Had %d disconnects. Will wait on them",
- disconnect_counter);
- set_bit(SUSPEND_DISCONNECTING, hdev->suspend_tasks);
- }
- } else if (next == BT_SUSPEND_CONFIGURE_WAKE) {
- /* Unpause to take care of updating scanning params */
- hdev->scanning_paused = false;
- /* Enable event filter for paired devices */
- hci_req_set_event_filter(&req);
- /* Enable passive scan at lower duty cycle */
- __hci_update_background_scan(&req);
- /* Pause scan changes again. */
- hdev->scanning_paused = true;
- hci_req_run(&req, suspend_req_complete);
- } else {
- hdev->suspended = false;
- hdev->scanning_paused = false;
-
- /* Clear any event filters and restore scan state */
- hci_req_clear_event_filter(&req);
- __hci_req_update_scan(&req);
-
- /* Reset passive/background scanning to normal */
- __hci_update_background_scan(&req);
- /* Enable all of the advertisement filters */
- hci_req_prepare_adv_monitor_suspend(&req, false);
-
- /* Unpause directed advertising */
- hdev->advertising_paused = false;
- if (hdev->advertising_old_state) {
- set_bit(SUSPEND_UNPAUSE_ADVERTISING,
- hdev->suspend_tasks);
- hci_dev_set_flag(hdev, HCI_ADVERTISING);
- queue_work(hdev->req_workqueue,
- &hdev->discoverable_update);
- hdev->advertising_old_state = 0;
- }
-
- /* Resume other advertisements */
- if (hdev->adv_instance_cnt)
- __hci_req_resume_adv_instances(&req);
-
- /* Unpause discovery */
- hdev->discovery_paused = false;
- if (hdev->discovery_old_state != DISCOVERY_STOPPED &&
- hdev->discovery_old_state != DISCOVERY_STOPPING) {
- set_bit(SUSPEND_UNPAUSE_DISCOVERY, hdev->suspend_tasks);
- hci_discovery_set_state(hdev, DISCOVERY_STARTING);
- queue_work(hdev->req_workqueue, &hdev->discov_update);
- }
-
- hci_req_run(&req, suspend_req_complete);
- }
-
- hdev->suspend_state = next;
-
-done:
- clear_bit(SUSPEND_PREPARE_NOTIFIER, hdev->suspend_tasks);
- wake_up(&hdev->suspend_wait_q);
-}
-
static bool adv_cur_instance_is_scannable(struct hci_dev *hdev)
{
return hci_adv_instance_is_scannable(hdev, hdev->cur_adv_instance);
struct hci_request req;
__u8 enable = 0x00;
- if (!use_ll_privacy(hdev) &&
- !hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION))
+ if (!hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION))
return;
hci_req_init(&req, hdev);
/* If Controller supports LL Privacy use own address type is
* 0x03
*/
- if (use_ll_privacy(hdev) &&
- hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
+ if (use_ll_privacy(hdev))
*own_addr_type = ADDR_LE_DEV_RANDOM_RESOLVED;
else
*own_addr_type = ADDR_LE_DEV_RANDOM;
hci_req_add(req, HCI_OP_LE_SET_EXT_ADV_PARAMS, sizeof(cp), &cp);
- if (own_addr_type == ADDR_LE_DEV_RANDOM &&
+ if ((own_addr_type == ADDR_LE_DEV_RANDOM ||
+ own_addr_type == ADDR_LE_DEV_RANDOM_RESOLVED) &&
bacmp(&random_addr, BDADDR_ANY)) {
struct hci_cp_le_set_adv_set_rand_addr cp;
/* If Controller supports LL Privacy use own address type is
* 0x03
*/
- if (use_ll_privacy(hdev) &&
- hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
+ if (use_ll_privacy(hdev))
*own_addr_type = ADDR_LE_DEV_RANDOM_RESOLVED;
else
*own_addr_type = ADDR_LE_DEV_RANDOM;
hci_req_sync(hdev, update_scan, 0, HCI_CMD_TIMEOUT, NULL);
}
-static int connectable_update(struct hci_request *req, unsigned long opt)
-{
- struct hci_dev *hdev = req->hdev;
-
- hci_dev_lock(hdev);
-
- __hci_req_update_scan(req);
-
- /* If BR/EDR is not enabled and we disable advertising as a
- * by-product of disabling connectable, we need to update the
- * advertising flags.
- */
- if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
- __hci_req_update_adv_data(req, hdev->cur_adv_instance);
-
- /* Update the advertising parameters if necessary */
- if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
- !list_empty(&hdev->adv_instances)) {
- if (ext_adv_capable(hdev))
- __hci_req_start_ext_adv(req, hdev->cur_adv_instance);
- else
- __hci_req_enable_advertising(req);
- }
-
- __hci_update_background_scan(req);
-
- hci_dev_unlock(hdev);
-
- return 0;
-}
-
-static void connectable_update_work(struct work_struct *work)
-{
- struct hci_dev *hdev = container_of(work, struct hci_dev,
- connectable_update);
- u8 status;
-
- hci_req_sync(hdev, connectable_update, 0, HCI_CMD_TIMEOUT, &status);
- mgmt_set_connectable_complete(hdev, status);
-}
-
static u8 get_service_classes(struct hci_dev *hdev)
{
struct bt_uuid *uuid;
return 0;
}
-static void discoverable_update_work(struct work_struct *work)
-{
- struct hci_dev *hdev = container_of(work, struct hci_dev,
- discoverable_update);
- u8 status;
-
- hci_req_sync(hdev, discoverable_update, 0, HCI_CMD_TIMEOUT, &status);
- mgmt_set_discoverable_complete(hdev, status);
-}
-
void __hci_abort_conn(struct hci_request *req, struct hci_conn *conn,
u8 reason)
{
return 0;
}
-static int update_bg_scan(struct hci_request *req, unsigned long opt)
-{
- hci_dev_lock(req->hdev);
- __hci_update_background_scan(req);
- hci_dev_unlock(req->hdev);
- return 0;
-}
-
-static void bg_scan_update(struct work_struct *work)
-{
- struct hci_dev *hdev = container_of(work, struct hci_dev,
- bg_scan_update);
- struct hci_conn *conn;
- u8 status;
- int err;
-
- err = hci_req_sync(hdev, update_bg_scan, 0, HCI_CMD_TIMEOUT, &status);
- if (!err)
- return;
-
- hci_dev_lock(hdev);
-
- conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
- if (conn)
- hci_le_conn_failed(conn, status);
-
- hci_dev_unlock(hdev);
-}
-
static int le_scan_disable(struct hci_request *req, unsigned long opt)
{
hci_req_add_le_scan_disable(req, false);
void hci_request_setup(struct hci_dev *hdev)
{
INIT_WORK(&hdev->discov_update, discov_update);
- INIT_WORK(&hdev->bg_scan_update, bg_scan_update);
INIT_WORK(&hdev->scan_update, scan_update_work);
- INIT_WORK(&hdev->connectable_update, connectable_update_work);
- INIT_WORK(&hdev->discoverable_update, discoverable_update_work);
INIT_DELAYED_WORK(&hdev->discov_off, discov_off);
INIT_DELAYED_WORK(&hdev->le_scan_disable, le_scan_disable_work);
INIT_DELAYED_WORK(&hdev->le_scan_restart, le_scan_restart_work);
hci_req_sync_cancel(hdev, ENODEV);
cancel_work_sync(&hdev->discov_update);
- cancel_work_sync(&hdev->bg_scan_update);
cancel_work_sync(&hdev->scan_update);
- cancel_work_sync(&hdev->connectable_update);
- cancel_work_sync(&hdev->discoverable_update);
cancel_delayed_work_sync(&hdev->discov_off);
cancel_delayed_work_sync(&hdev->le_scan_disable);
cancel_delayed_work_sync(&hdev->le_scan_restart);
#include <asm/unaligned.h>
+#define HCI_REQ_DONE 0
+#define HCI_REQ_PEND 1
+#define HCI_REQ_CANCELED 2
+
#define hci_req_sync_lock(hdev) mutex_lock(&hdev->req_lock)
#define hci_req_sync_unlock(hdev) mutex_unlock(&hdev->req_lock)
+#define HCI_REQ_DONE 0
+#define HCI_REQ_PEND 1
+#define HCI_REQ_CANCELED 2
+
struct hci_request {
struct hci_dev *hdev;
struct sk_buff_head cmd_q;
bool hci_req_status_pend(struct hci_dev *hdev);
int hci_req_run(struct hci_request *req, hci_req_complete_t complete);
int hci_req_run_skb(struct hci_request *req, hci_req_complete_skb_t complete);
+void hci_req_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode,
+ struct sk_buff *skb);
void hci_req_add(struct hci_request *req, u16 opcode, u32 plen,
const void *param);
void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen,
void __hci_abort_conn(struct hci_request *req, struct hci_conn *conn,
u8 reason);
-static inline void hci_update_background_scan(struct hci_dev *hdev)
-{
- queue_work(hdev->req_workqueue, &hdev->bg_scan_update);
-}
-
void hci_request_setup(struct hci_dev *hdev);
void hci_request_cancel_all(struct hci_dev *hdev);
}
sock_orphan(sk);
-
- skb_queue_purge(&sk->sk_receive_queue);
- skb_queue_purge(&sk->sk_write_queue);
-
release_sock(sk);
sock_put(sk);
return 0;
return err;
}
+static void hci_sock_destruct(struct sock *sk)
+{
+ skb_queue_purge(&sk->sk_receive_queue);
+ skb_queue_purge(&sk->sk_write_queue);
+}
+
static const struct proto_ops hci_sock_ops = {
.family = PF_BLUETOOTH,
.owner = THIS_MODULE,
sock->state = SS_UNCONNECTED;
sk->sk_state = BT_OPEN;
+ sk->sk_destruct = hci_sock_destruct;
bt_sock_link(&hci_sk_list, sk);
return 0;
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2021 Intel Corporation
+ */
+
+#include <linux/property.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/mgmt.h>
+
+#include "hci_request.h"
+#include "hci_debugfs.h"
+#include "smp.h"
+#include "eir.h"
+#include "msft.h"
+#include "aosp.h"
+#include "leds.h"
+
+static void hci_cmd_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode,
+ struct sk_buff *skb)
+{
+ bt_dev_dbg(hdev, "result 0x%2.2x", result);
+
+ if (hdev->req_status != HCI_REQ_PEND)
+ return;
+
+ hdev->req_result = result;
+ hdev->req_status = HCI_REQ_DONE;
+
+ if (skb) {
+ struct sock *sk = hci_skb_sk(skb);
+
+ /* Drop sk reference if set */
+ if (sk)
+ sock_put(sk);
+
+ hdev->req_skb = skb_get(skb);
+ }
+
+ wake_up_interruptible(&hdev->req_wait_q);
+}
+
+static struct sk_buff *hci_cmd_sync_alloc(struct hci_dev *hdev, u16 opcode,
+ u32 plen, const void *param,
+ struct sock *sk)
+{
+ int len = HCI_COMMAND_HDR_SIZE + plen;
+ struct hci_command_hdr *hdr;
+ struct sk_buff *skb;
+
+ skb = bt_skb_alloc(len, GFP_ATOMIC);
+ if (!skb)
+ return NULL;
+
+ hdr = skb_put(skb, HCI_COMMAND_HDR_SIZE);
+ hdr->opcode = cpu_to_le16(opcode);
+ hdr->plen = plen;
+
+ if (plen)
+ skb_put_data(skb, param, plen);
+
+ bt_dev_dbg(hdev, "skb len %d", skb->len);
+
+ hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
+ hci_skb_opcode(skb) = opcode;
+
+ /* Grab a reference if command needs to be associated with a sock (e.g.
+ * likely mgmt socket that initiated the command).
+ */
+ if (sk) {
+ hci_skb_sk(skb) = sk;
+ sock_hold(sk);
+ }
+
+ return skb;
+}
+
+static void hci_cmd_sync_add(struct hci_request *req, u16 opcode, u32 plen,
+ const void *param, u8 event, struct sock *sk)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct sk_buff *skb;
+
+ bt_dev_dbg(hdev, "opcode 0x%4.4x plen %d", opcode, plen);
+
+ /* If an error occurred during request building, there is no point in
+ * queueing the HCI command. We can simply return.
+ */
+ if (req->err)
+ return;
+
+ skb = hci_cmd_sync_alloc(hdev, opcode, plen, param, sk);
+ if (!skb) {
+ bt_dev_err(hdev, "no memory for command (opcode 0x%4.4x)",
+ opcode);
+ req->err = -ENOMEM;
+ return;
+ }
+
+ if (skb_queue_empty(&req->cmd_q))
+ bt_cb(skb)->hci.req_flags |= HCI_REQ_START;
+
+ bt_cb(skb)->hci.req_event = event;
+
+ skb_queue_tail(&req->cmd_q, skb);
+}
+
+static int hci_cmd_sync_run(struct hci_request *req)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct sk_buff *skb;
+ unsigned long flags;
+
+ bt_dev_dbg(hdev, "length %u", skb_queue_len(&req->cmd_q));
+
+ /* If an error occurred during request building, remove all HCI
+ * commands queued on the HCI request queue.
+ */
+ if (req->err) {
+ skb_queue_purge(&req->cmd_q);
+ return req->err;
+ }
+
+ /* Do not allow empty requests */
+ if (skb_queue_empty(&req->cmd_q))
+ return -ENODATA;
+
+ skb = skb_peek_tail(&req->cmd_q);
+ bt_cb(skb)->hci.req_complete_skb = hci_cmd_sync_complete;
+ bt_cb(skb)->hci.req_flags |= HCI_REQ_SKB;
+
+ spin_lock_irqsave(&hdev->cmd_q.lock, flags);
+ skb_queue_splice_tail(&req->cmd_q, &hdev->cmd_q);
+ spin_unlock_irqrestore(&hdev->cmd_q.lock, flags);
+
+ queue_work(hdev->workqueue, &hdev->cmd_work);
+
+ return 0;
+}
+
+/* This function requires the caller holds hdev->req_lock. */
+struct sk_buff *__hci_cmd_sync_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u8 event, u32 timeout,
+ struct sock *sk)
+{
+ struct hci_request req;
+ struct sk_buff *skb;
+ int err = 0;
+
+ bt_dev_dbg(hdev, "Opcode 0x%4x", opcode);
+
+ hci_req_init(&req, hdev);
+
+ hci_cmd_sync_add(&req, opcode, plen, param, event, sk);
+
+ hdev->req_status = HCI_REQ_PEND;
+
+ err = hci_cmd_sync_run(&req);
+ if (err < 0)
+ return ERR_PTR(err);
+
+ err = wait_event_interruptible_timeout(hdev->req_wait_q,
+ hdev->req_status != HCI_REQ_PEND,
+ timeout);
+
+ if (err == -ERESTARTSYS)
+ return ERR_PTR(-EINTR);
+
+ switch (hdev->req_status) {
+ case HCI_REQ_DONE:
+ err = -bt_to_errno(hdev->req_result);
+ break;
+
+ case HCI_REQ_CANCELED:
+ err = -hdev->req_result;
+ break;
+
+ default:
+ err = -ETIMEDOUT;
+ break;
+ }
+
+ hdev->req_status = 0;
+ hdev->req_result = 0;
+ skb = hdev->req_skb;
+ hdev->req_skb = NULL;
+
+ bt_dev_dbg(hdev, "end: err %d", err);
+
+ if (err < 0) {
+ kfree_skb(skb);
+ return ERR_PTR(err);
+ }
+
+ return skb;
+}
+EXPORT_SYMBOL(__hci_cmd_sync_sk);
+
+/* This function requires the caller holds hdev->req_lock. */
+struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u32 timeout)
+{
+ return __hci_cmd_sync_sk(hdev, opcode, plen, param, 0, timeout, NULL);
+}
+EXPORT_SYMBOL(__hci_cmd_sync);
+
+/* Send HCI command and wait for command complete event */
+struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u32 timeout)
+{
+ struct sk_buff *skb;
+
+ if (!test_bit(HCI_UP, &hdev->flags))
+ return ERR_PTR(-ENETDOWN);
+
+ bt_dev_dbg(hdev, "opcode 0x%4.4x plen %d", opcode, plen);
+
+ hci_req_sync_lock(hdev);
+ skb = __hci_cmd_sync(hdev, opcode, plen, param, timeout);
+ hci_req_sync_unlock(hdev);
+
+ return skb;
+}
+EXPORT_SYMBOL(hci_cmd_sync);
+
+/* This function requires the caller holds hdev->req_lock. */
+struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u8 event, u32 timeout)
+{
+ return __hci_cmd_sync_sk(hdev, opcode, plen, param, event, timeout,
+ NULL);
+}
+EXPORT_SYMBOL(__hci_cmd_sync_ev);
+
+/* This function requires the caller holds hdev->req_lock. */
+int __hci_cmd_sync_status_sk(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u8 event, u32 timeout,
+ struct sock *sk)
+{
+ struct sk_buff *skb;
+ u8 status;
+
+ skb = __hci_cmd_sync_sk(hdev, opcode, plen, param, event, timeout, sk);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Opcode 0x%4x failed: %ld", opcode,
+ PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ /* If command return a status event skb will be set to NULL as there are
+ * no parameters, in case of failure IS_ERR(skb) would have be set to
+ * the actual error would be found with PTR_ERR(skb).
+ */
+ if (!skb)
+ return 0;
+
+ status = skb->data[0];
+
+ kfree_skb(skb);
+
+ return status;
+}
+EXPORT_SYMBOL(__hci_cmd_sync_status_sk);
+
+int __hci_cmd_sync_status(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u32 timeout)
+{
+ return __hci_cmd_sync_status_sk(hdev, opcode, plen, param, 0, timeout,
+ NULL);
+}
+EXPORT_SYMBOL(__hci_cmd_sync_status);
+
+static void hci_cmd_sync_work(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev, cmd_sync_work);
+ struct hci_cmd_sync_work_entry *entry;
+ hci_cmd_sync_work_func_t func;
+ hci_cmd_sync_work_destroy_t destroy;
+ void *data;
+
+ bt_dev_dbg(hdev, "");
+
+ mutex_lock(&hdev->cmd_sync_work_lock);
+ entry = list_first_entry(&hdev->cmd_sync_work_list,
+ struct hci_cmd_sync_work_entry, list);
+ if (entry) {
+ list_del(&entry->list);
+ func = entry->func;
+ data = entry->data;
+ destroy = entry->destroy;
+ kfree(entry);
+ } else {
+ func = NULL;
+ data = NULL;
+ destroy = NULL;
+ }
+ mutex_unlock(&hdev->cmd_sync_work_lock);
+
+ if (func) {
+ int err;
+
+ hci_req_sync_lock(hdev);
+
+ err = func(hdev, data);
+
+ if (destroy)
+ destroy(hdev, data, err);
+
+ hci_req_sync_unlock(hdev);
+ }
+}
+
+void hci_cmd_sync_init(struct hci_dev *hdev)
+{
+ INIT_WORK(&hdev->cmd_sync_work, hci_cmd_sync_work);
+ INIT_LIST_HEAD(&hdev->cmd_sync_work_list);
+ mutex_init(&hdev->cmd_sync_work_lock);
+}
+
+void hci_cmd_sync_clear(struct hci_dev *hdev)
+{
+ struct hci_cmd_sync_work_entry *entry, *tmp;
+
+ cancel_work_sync(&hdev->cmd_sync_work);
+
+ list_for_each_entry_safe(entry, tmp, &hdev->cmd_sync_work_list, list) {
+ if (entry->destroy)
+ entry->destroy(hdev, entry->data, -ECANCELED);
+
+ list_del(&entry->list);
+ kfree(entry);
+ }
+}
+
+int hci_cmd_sync_queue(struct hci_dev *hdev, hci_cmd_sync_work_func_t func,
+ void *data, hci_cmd_sync_work_destroy_t destroy)
+{
+ struct hci_cmd_sync_work_entry *entry;
+
+ entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+ if (!entry)
+ return -ENOMEM;
+
+ entry->func = func;
+ entry->data = data;
+ entry->destroy = destroy;
+
+ mutex_lock(&hdev->cmd_sync_work_lock);
+ list_add_tail(&entry->list, &hdev->cmd_sync_work_list);
+ mutex_unlock(&hdev->cmd_sync_work_lock);
+
+ queue_work(hdev->req_workqueue, &hdev->cmd_sync_work);
+
+ return 0;
+}
+EXPORT_SYMBOL(hci_cmd_sync_queue);
+
+int hci_update_eir_sync(struct hci_dev *hdev)
+{
+ struct hci_cp_write_eir cp;
+
+ bt_dev_dbg(hdev, "");
+
+ if (!hdev_is_powered(hdev))
+ return 0;
+
+ if (!lmp_ext_inq_capable(hdev))
+ return 0;
+
+ if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
+ return 0;
+
+ if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+
+ eir_create(hdev, cp.data);
+
+ if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
+ return 0;
+
+ memcpy(hdev->eir, cp.data, sizeof(cp.data));
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp,
+ HCI_CMD_TIMEOUT);
+}
+
+static u8 get_service_classes(struct hci_dev *hdev)
+{
+ struct bt_uuid *uuid;
+ u8 val = 0;
+
+ list_for_each_entry(uuid, &hdev->uuids, list)
+ val |= uuid->svc_hint;
+
+ return val;
+}
+
+int hci_update_class_sync(struct hci_dev *hdev)
+{
+ u8 cod[3];
+
+ bt_dev_dbg(hdev, "");
+
+ if (!hdev_is_powered(hdev))
+ return 0;
+
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ return 0;
+
+ if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
+ return 0;
+
+ cod[0] = hdev->minor_class;
+ cod[1] = hdev->major_class;
+ cod[2] = get_service_classes(hdev);
+
+ if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
+ cod[1] |= 0x20;
+
+ if (memcmp(cod, hdev->dev_class, 3) == 0)
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_CLASS_OF_DEV,
+ sizeof(cod), cod, HCI_CMD_TIMEOUT);
+}
+
+static bool is_advertising_allowed(struct hci_dev *hdev, bool connectable)
+{
+ /* If there is no connection we are OK to advertise. */
+ if (hci_conn_num(hdev, LE_LINK) == 0)
+ return true;
+
+ /* Check le_states if there is any connection in peripheral role. */
+ if (hdev->conn_hash.le_num_peripheral > 0) {
+ /* Peripheral connection state and non connectable mode
+ * bit 20.
+ */
+ if (!connectable && !(hdev->le_states[2] & 0x10))
+ return false;
+
+ /* Peripheral connection state and connectable mode bit 38
+ * and scannable bit 21.
+ */
+ if (connectable && (!(hdev->le_states[4] & 0x40) ||
+ !(hdev->le_states[2] & 0x20)))
+ return false;
+ }
+
+ /* Check le_states if there is any connection in central role. */
+ if (hci_conn_num(hdev, LE_LINK) != hdev->conn_hash.le_num_peripheral) {
+ /* Central connection state and non connectable mode bit 18. */
+ if (!connectable && !(hdev->le_states[2] & 0x02))
+ return false;
+
+ /* Central connection state and connectable mode bit 35 and
+ * scannable 19.
+ */
+ if (connectable && (!(hdev->le_states[4] & 0x08) ||
+ !(hdev->le_states[2] & 0x08)))
+ return false;
+ }
+
+ return true;
+}
+
+static bool adv_use_rpa(struct hci_dev *hdev, uint32_t flags)
+{
+ /* If privacy is not enabled don't use RPA */
+ if (!hci_dev_test_flag(hdev, HCI_PRIVACY))
+ return false;
+
+ /* If basic privacy mode is enabled use RPA */
+ if (!hci_dev_test_flag(hdev, HCI_LIMITED_PRIVACY))
+ return true;
+
+ /* If limited privacy mode is enabled don't use RPA if we're
+ * both discoverable and bondable.
+ */
+ if ((flags & MGMT_ADV_FLAG_DISCOV) &&
+ hci_dev_test_flag(hdev, HCI_BONDABLE))
+ return false;
+
+ /* We're neither bondable nor discoverable in the limited
+ * privacy mode, therefore use RPA.
+ */
+ return true;
+}
+
+static int hci_set_random_addr_sync(struct hci_dev *hdev, bdaddr_t *rpa)
+{
+ /* If we're advertising or initiating an LE connection we can't
+ * go ahead and change the random address at this time. This is
+ * because the eventual initiator address used for the
+ * subsequently created connection will be undefined (some
+ * controllers use the new address and others the one we had
+ * when the operation started).
+ *
+ * In this kind of scenario skip the update and let the random
+ * address be updated at the next cycle.
+ */
+ if (hci_dev_test_flag(hdev, HCI_LE_ADV) ||
+ hci_lookup_le_connect(hdev)) {
+ bt_dev_dbg(hdev, "Deferring random address update");
+ hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
+ return 0;
+ }
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_RANDOM_ADDR,
+ 6, rpa, HCI_CMD_TIMEOUT);
+}
+
+int hci_update_random_address_sync(struct hci_dev *hdev, bool require_privacy,
+ bool rpa, u8 *own_addr_type)
+{
+ int err;
+
+ /* If privacy is enabled use a resolvable private address. If
+ * current RPA has expired or there is something else than
+ * the current RPA in use, then generate a new one.
+ */
+ if (rpa) {
+ /* If Controller supports LL Privacy use own address type is
+ * 0x03
+ */
+ if (use_ll_privacy(hdev))
+ *own_addr_type = ADDR_LE_DEV_RANDOM_RESOLVED;
+ else
+ *own_addr_type = ADDR_LE_DEV_RANDOM;
+
+ /* Check if RPA is valid */
+ if (rpa_valid(hdev))
+ return 0;
+
+ err = smp_generate_rpa(hdev, hdev->irk, &hdev->rpa);
+ if (err < 0) {
+ bt_dev_err(hdev, "failed to generate new RPA");
+ return err;
+ }
+
+ err = hci_set_random_addr_sync(hdev, &hdev->rpa);
+ if (err)
+ return err;
+
+ return 0;
+ }
+
+ /* In case of required privacy without resolvable private address,
+ * use an non-resolvable private address. This is useful for active
+ * scanning and non-connectable advertising.
+ */
+ if (require_privacy) {
+ bdaddr_t nrpa;
+
+ while (true) {
+ /* The non-resolvable private address is generated
+ * from random six bytes with the two most significant
+ * bits cleared.
+ */
+ get_random_bytes(&nrpa, 6);
+ nrpa.b[5] &= 0x3f;
+
+ /* The non-resolvable private address shall not be
+ * equal to the public address.
+ */
+ if (bacmp(&hdev->bdaddr, &nrpa))
+ break;
+ }
+
+ *own_addr_type = ADDR_LE_DEV_RANDOM;
+
+ return hci_set_random_addr_sync(hdev, &nrpa);
+ }
+
+ /* If forcing static address is in use or there is no public
+ * address use the static address as random address (but skip
+ * the HCI command if the current random address is already the
+ * static one.
+ *
+ * In case BR/EDR has been disabled on a dual-mode controller
+ * and a static address has been configured, then use that
+ * address instead of the public BR/EDR address.
+ */
+ if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
+ !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
+ (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
+ bacmp(&hdev->static_addr, BDADDR_ANY))) {
+ *own_addr_type = ADDR_LE_DEV_RANDOM;
+ if (bacmp(&hdev->static_addr, &hdev->random_addr))
+ return hci_set_random_addr_sync(hdev,
+ &hdev->static_addr);
+ return 0;
+ }
+
+ /* Neither privacy nor static address is being used so use a
+ * public address.
+ */
+ *own_addr_type = ADDR_LE_DEV_PUBLIC;
+
+ return 0;
+}
+
+static int hci_disable_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct hci_cp_le_set_ext_adv_enable *cp;
+ struct hci_cp_ext_adv_set *set;
+ u8 data[sizeof(*cp) + sizeof(*set) * 1];
+ u8 size;
+
+ /* If request specifies an instance that doesn't exist, fail */
+ if (instance > 0) {
+ struct adv_info *adv;
+
+ adv = hci_find_adv_instance(hdev, instance);
+ if (!adv)
+ return -EINVAL;
+
+ /* If not enabled there is nothing to do */
+ if (!adv->enabled)
+ return 0;
+ }
+
+ memset(data, 0, sizeof(data));
+
+ cp = (void *)data;
+ set = (void *)cp->data;
+
+ /* Instance 0x00 indicates all advertising instances will be disabled */
+ cp->num_of_sets = !!instance;
+ cp->enable = 0x00;
+
+ set->handle = instance;
+
+ size = sizeof(*cp) + sizeof(*set) * cp->num_of_sets;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_ENABLE,
+ size, data, HCI_CMD_TIMEOUT);
+}
+
+static int hci_set_adv_set_random_addr_sync(struct hci_dev *hdev, u8 instance,
+ bdaddr_t *random_addr)
+{
+ struct hci_cp_le_set_adv_set_rand_addr cp;
+ int err;
+
+ if (!instance) {
+ /* Instance 0x00 doesn't have an adv_info, instead it uses
+ * hdev->random_addr to track its address so whenever it needs
+ * to be updated this also set the random address since
+ * hdev->random_addr is shared with scan state machine.
+ */
+ err = hci_set_random_addr_sync(hdev, random_addr);
+ if (err)
+ return err;
+ }
+
+ memset(&cp, 0, sizeof(cp));
+
+ cp.handle = instance;
+ bacpy(&cp.bdaddr, random_addr);
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_SET_RAND_ADDR,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct hci_cp_le_set_ext_adv_params cp;
+ bool connectable;
+ u32 flags;
+ bdaddr_t random_addr;
+ u8 own_addr_type;
+ int err;
+ struct adv_info *adv;
+ bool secondary_adv;
+
+ if (instance > 0) {
+ adv = hci_find_adv_instance(hdev, instance);
+ if (!adv)
+ return -EINVAL;
+ } else {
+ adv = NULL;
+ }
+
+ /* Updating parameters of an active instance will return a
+ * Command Disallowed error, so we must first disable the
+ * instance if it is active.
+ */
+ if (adv && !adv->pending) {
+ err = hci_disable_ext_adv_instance_sync(hdev, instance);
+ if (err)
+ return err;
+ }
+
+ flags = hci_adv_instance_flags(hdev, instance);
+
+ /* If the "connectable" instance flag was not set, then choose between
+ * ADV_IND and ADV_NONCONN_IND based on the global connectable setting.
+ */
+ connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) ||
+ mgmt_get_connectable(hdev);
+
+ if (!is_advertising_allowed(hdev, connectable))
+ return -EPERM;
+
+ /* Set require_privacy to true only when non-connectable
+ * advertising is used. In that case it is fine to use a
+ * non-resolvable private address.
+ */
+ err = hci_get_random_address(hdev, !connectable,
+ adv_use_rpa(hdev, flags), adv,
+ &own_addr_type, &random_addr);
+ if (err < 0)
+ return err;
+
+ memset(&cp, 0, sizeof(cp));
+
+ if (adv) {
+ hci_cpu_to_le24(adv->min_interval, cp.min_interval);
+ hci_cpu_to_le24(adv->max_interval, cp.max_interval);
+ cp.tx_power = adv->tx_power;
+ } else {
+ hci_cpu_to_le24(hdev->le_adv_min_interval, cp.min_interval);
+ hci_cpu_to_le24(hdev->le_adv_max_interval, cp.max_interval);
+ cp.tx_power = HCI_ADV_TX_POWER_NO_PREFERENCE;
+ }
+
+ secondary_adv = (flags & MGMT_ADV_FLAG_SEC_MASK);
+
+ if (connectable) {
+ if (secondary_adv)
+ cp.evt_properties = cpu_to_le16(LE_EXT_ADV_CONN_IND);
+ else
+ cp.evt_properties = cpu_to_le16(LE_LEGACY_ADV_IND);
+ } else if (hci_adv_instance_is_scannable(hdev, instance) ||
+ (flags & MGMT_ADV_PARAM_SCAN_RSP)) {
+ if (secondary_adv)
+ cp.evt_properties = cpu_to_le16(LE_EXT_ADV_SCAN_IND);
+ else
+ cp.evt_properties = cpu_to_le16(LE_LEGACY_ADV_SCAN_IND);
+ } else {
+ if (secondary_adv)
+ cp.evt_properties = cpu_to_le16(LE_EXT_ADV_NON_CONN_IND);
+ else
+ cp.evt_properties = cpu_to_le16(LE_LEGACY_NONCONN_IND);
+ }
+
+ /* If Own_Address_Type equals 0x02 or 0x03, the Peer_Address parameter
+ * contains the peer’s Identity Address and the Peer_Address_Type
+ * parameter contains the peer’s Identity Type (i.e., 0x00 or 0x01).
+ * These parameters are used to locate the corresponding local IRK in
+ * the resolving list; this IRK is used to generate their own address
+ * used in the advertisement.
+ */
+ if (own_addr_type == ADDR_LE_DEV_RANDOM_RESOLVED)
+ hci_copy_identity_address(hdev, &cp.peer_addr,
+ &cp.peer_addr_type);
+
+ cp.own_addr_type = own_addr_type;
+ cp.channel_map = hdev->le_adv_channel_map;
+ cp.handle = instance;
+
+ if (flags & MGMT_ADV_FLAG_SEC_2M) {
+ cp.primary_phy = HCI_ADV_PHY_1M;
+ cp.secondary_phy = HCI_ADV_PHY_2M;
+ } else if (flags & MGMT_ADV_FLAG_SEC_CODED) {
+ cp.primary_phy = HCI_ADV_PHY_CODED;
+ cp.secondary_phy = HCI_ADV_PHY_CODED;
+ } else {
+ /* In all other cases use 1M */
+ cp.primary_phy = HCI_ADV_PHY_1M;
+ cp.secondary_phy = HCI_ADV_PHY_1M;
+ }
+
+ err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+ if (err)
+ return err;
+
+ if ((own_addr_type == ADDR_LE_DEV_RANDOM ||
+ own_addr_type == ADDR_LE_DEV_RANDOM_RESOLVED) &&
+ bacmp(&random_addr, BDADDR_ANY)) {
+ /* Check if random address need to be updated */
+ if (adv) {
+ if (!bacmp(&random_addr, &adv->random_addr))
+ return 0;
+ } else {
+ if (!bacmp(&random_addr, &hdev->random_addr))
+ return 0;
+ }
+
+ return hci_set_adv_set_random_addr_sync(hdev, instance,
+ &random_addr);
+ }
+
+ return 0;
+}
+
+static int hci_set_ext_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct {
+ struct hci_cp_le_set_ext_scan_rsp_data cp;
+ u8 data[HCI_MAX_EXT_AD_LENGTH];
+ } pdu;
+ u8 len;
+
+ memset(&pdu, 0, sizeof(pdu));
+
+ len = eir_create_scan_rsp(hdev, instance, pdu.data);
+
+ if (hdev->scan_rsp_data_len == len &&
+ !memcmp(pdu.data, hdev->scan_rsp_data, len))
+ return 0;
+
+ memcpy(hdev->scan_rsp_data, pdu.data, len);
+ hdev->scan_rsp_data_len = len;
+
+ pdu.cp.handle = instance;
+ pdu.cp.length = len;
+ pdu.cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
+ pdu.cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_SCAN_RSP_DATA,
+ sizeof(pdu.cp) + len, &pdu.cp,
+ HCI_CMD_TIMEOUT);
+}
+
+static int __hci_set_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct hci_cp_le_set_scan_rsp_data cp;
+ u8 len;
+
+ memset(&cp, 0, sizeof(cp));
+
+ len = eir_create_scan_rsp(hdev, instance, cp.data);
+
+ if (hdev->scan_rsp_data_len == len &&
+ !memcmp(cp.data, hdev->scan_rsp_data, len))
+ return 0;
+
+ memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
+ hdev->scan_rsp_data_len = len;
+
+ cp.length = len;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_SCAN_RSP_DATA,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+int hci_update_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return 0;
+
+ if (ext_adv_capable(hdev))
+ return hci_set_ext_scan_rsp_data_sync(hdev, instance);
+
+ return __hci_set_scan_rsp_data_sync(hdev, instance);
+}
+
+int hci_enable_ext_advertising_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct hci_cp_le_set_ext_adv_enable *cp;
+ struct hci_cp_ext_adv_set *set;
+ u8 data[sizeof(*cp) + sizeof(*set) * 1];
+ struct adv_info *adv;
+
+ if (instance > 0) {
+ adv = hci_find_adv_instance(hdev, instance);
+ if (!adv)
+ return -EINVAL;
+ /* If already enabled there is nothing to do */
+ if (adv->enabled)
+ return 0;
+ } else {
+ adv = NULL;
+ }
+
+ cp = (void *)data;
+ set = (void *)cp->data;
+
+ memset(cp, 0, sizeof(*cp));
+
+ cp->enable = 0x01;
+ cp->num_of_sets = 0x01;
+
+ memset(set, 0, sizeof(*set));
+
+ set->handle = instance;
+
+ /* Set duration per instance since controller is responsible for
+ * scheduling it.
+ */
+ if (adv && adv->timeout) {
+ u16 duration = adv->timeout * MSEC_PER_SEC;
+
+ /* Time = N * 10 ms */
+ set->duration = cpu_to_le16(duration / 10);
+ }
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_ENABLE,
+ sizeof(*cp) +
+ sizeof(*set) * cp->num_of_sets,
+ data, HCI_CMD_TIMEOUT);
+}
+
+int hci_start_ext_adv_sync(struct hci_dev *hdev, u8 instance)
+{
+ int err;
+
+ err = hci_setup_ext_adv_instance_sync(hdev, instance);
+ if (err)
+ return err;
+
+ err = hci_set_ext_scan_rsp_data_sync(hdev, instance);
+ if (err)
+ return err;
+
+ return hci_enable_ext_advertising_sync(hdev, instance);
+}
+
+static int hci_start_adv_sync(struct hci_dev *hdev, u8 instance)
+{
+ int err;
+
+ if (ext_adv_capable(hdev))
+ return hci_start_ext_adv_sync(hdev, instance);
+
+ err = hci_update_adv_data_sync(hdev, instance);
+ if (err)
+ return err;
+
+ err = hci_update_scan_rsp_data_sync(hdev, instance);
+ if (err)
+ return err;
+
+ return hci_enable_advertising_sync(hdev);
+}
+
+int hci_enable_advertising_sync(struct hci_dev *hdev)
+{
+ struct adv_info *adv_instance;
+ struct hci_cp_le_set_adv_param cp;
+ u8 own_addr_type, enable = 0x01;
+ bool connectable;
+ u16 adv_min_interval, adv_max_interval;
+ u32 flags;
+ u8 status;
+
+ if (ext_adv_capable(hdev))
+ return hci_enable_ext_advertising_sync(hdev,
+ hdev->cur_adv_instance);
+
+ flags = hci_adv_instance_flags(hdev, hdev->cur_adv_instance);
+ adv_instance = hci_find_adv_instance(hdev, hdev->cur_adv_instance);
+
+ /* If the "connectable" instance flag was not set, then choose between
+ * ADV_IND and ADV_NONCONN_IND based on the global connectable setting.
+ */
+ connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) ||
+ mgmt_get_connectable(hdev);
+
+ if (!is_advertising_allowed(hdev, connectable))
+ return -EINVAL;
+
+ status = hci_disable_advertising_sync(hdev);
+ if (status)
+ return status;
+
+ /* Clear the HCI_LE_ADV bit temporarily so that the
+ * hci_update_random_address knows that it's safe to go ahead
+ * and write a new random address. The flag will be set back on
+ * as soon as the SET_ADV_ENABLE HCI command completes.
+ */
+ hci_dev_clear_flag(hdev, HCI_LE_ADV);
+
+ /* Set require_privacy to true only when non-connectable
+ * advertising is used. In that case it is fine to use a
+ * non-resolvable private address.
+ */
+ status = hci_update_random_address_sync(hdev, !connectable,
+ adv_use_rpa(hdev, flags),
+ &own_addr_type);
+ if (status)
+ return status;
+
+ memset(&cp, 0, sizeof(cp));
+
+ if (adv_instance) {
+ adv_min_interval = adv_instance->min_interval;
+ adv_max_interval = adv_instance->max_interval;
+ } else {
+ adv_min_interval = hdev->le_adv_min_interval;
+ adv_max_interval = hdev->le_adv_max_interval;
+ }
+
+ if (connectable) {
+ cp.type = LE_ADV_IND;
+ } else {
+ if (hci_adv_instance_is_scannable(hdev, hdev->cur_adv_instance))
+ cp.type = LE_ADV_SCAN_IND;
+ else
+ cp.type = LE_ADV_NONCONN_IND;
+
+ if (!hci_dev_test_flag(hdev, HCI_DISCOVERABLE) ||
+ hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE)) {
+ adv_min_interval = DISCOV_LE_FAST_ADV_INT_MIN;
+ adv_max_interval = DISCOV_LE_FAST_ADV_INT_MAX;
+ }
+ }
+
+ cp.min_interval = cpu_to_le16(adv_min_interval);
+ cp.max_interval = cpu_to_le16(adv_max_interval);
+ cp.own_address_type = own_addr_type;
+ cp.channel_map = hdev->le_adv_channel_map;
+
+ status = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_PARAM,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+ if (status)
+ return status;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_ENABLE,
+ sizeof(enable), &enable, HCI_CMD_TIMEOUT);
+}
+
+static int enable_advertising_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_enable_advertising_sync(hdev);
+}
+
+int hci_enable_advertising(struct hci_dev *hdev)
+{
+ if (!hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
+ list_empty(&hdev->adv_instances))
+ return 0;
+
+ return hci_cmd_sync_queue(hdev, enable_advertising_sync, NULL, NULL);
+}
+
+int hci_remove_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance,
+ struct sock *sk)
+{
+ int err;
+
+ if (!ext_adv_capable(hdev))
+ return 0;
+
+ err = hci_disable_ext_adv_instance_sync(hdev, instance);
+ if (err)
+ return err;
+
+ /* If request specifies an instance that doesn't exist, fail */
+ if (instance > 0 && !hci_find_adv_instance(hdev, instance))
+ return -EINVAL;
+
+ return __hci_cmd_sync_status_sk(hdev, HCI_OP_LE_REMOVE_ADV_SET,
+ sizeof(instance), &instance, 0,
+ HCI_CMD_TIMEOUT, sk);
+}
+
+static void cancel_adv_timeout(struct hci_dev *hdev)
+{
+ if (hdev->adv_instance_timeout) {
+ hdev->adv_instance_timeout = 0;
+ cancel_delayed_work(&hdev->adv_instance_expire);
+ }
+}
+
+static int hci_set_ext_adv_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct {
+ struct hci_cp_le_set_ext_adv_data cp;
+ u8 data[HCI_MAX_EXT_AD_LENGTH];
+ } pdu;
+ u8 len;
+
+ memset(&pdu, 0, sizeof(pdu));
+
+ len = eir_create_adv_data(hdev, instance, pdu.data);
+
+ /* There's nothing to do if the data hasn't changed */
+ if (hdev->adv_data_len == len &&
+ memcmp(pdu.data, hdev->adv_data, len) == 0)
+ return 0;
+
+ memcpy(hdev->adv_data, pdu.data, len);
+ hdev->adv_data_len = len;
+
+ pdu.cp.length = len;
+ pdu.cp.handle = instance;
+ pdu.cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
+ pdu.cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_DATA,
+ sizeof(pdu.cp) + len, &pdu.cp,
+ HCI_CMD_TIMEOUT);
+}
+
+static int hci_set_adv_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ struct hci_cp_le_set_adv_data cp;
+ u8 len;
+
+ memset(&cp, 0, sizeof(cp));
+
+ len = eir_create_adv_data(hdev, instance, cp.data);
+
+ /* There's nothing to do if the data hasn't changed */
+ if (hdev->adv_data_len == len &&
+ memcmp(cp.data, hdev->adv_data, len) == 0)
+ return 0;
+
+ memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
+ hdev->adv_data_len = len;
+
+ cp.length = len;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_DATA,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance)
+{
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return 0;
+
+ if (ext_adv_capable(hdev))
+ return hci_set_ext_adv_data_sync(hdev, instance);
+
+ return hci_set_adv_data_sync(hdev, instance);
+}
+
+int hci_schedule_adv_instance_sync(struct hci_dev *hdev, u8 instance,
+ bool force)
+{
+ struct adv_info *adv = NULL;
+ u16 timeout;
+
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING) && !ext_adv_capable(hdev))
+ return -EPERM;
+
+ if (hdev->adv_instance_timeout)
+ return -EBUSY;
+
+ adv = hci_find_adv_instance(hdev, instance);
+ if (!adv)
+ return -ENOENT;
+
+ /* A zero timeout means unlimited advertising. As long as there is
+ * only one instance, duration should be ignored. We still set a timeout
+ * in case further instances are being added later on.
+ *
+ * If the remaining lifetime of the instance is more than the duration
+ * then the timeout corresponds to the duration, otherwise it will be
+ * reduced to the remaining instance lifetime.
+ */
+ if (adv->timeout == 0 || adv->duration <= adv->remaining_time)
+ timeout = adv->duration;
+ else
+ timeout = adv->remaining_time;
+
+ /* The remaining time is being reduced unless the instance is being
+ * advertised without time limit.
+ */
+ if (adv->timeout)
+ adv->remaining_time = adv->remaining_time - timeout;
+
+ /* Only use work for scheduling instances with legacy advertising */
+ if (!ext_adv_capable(hdev)) {
+ hdev->adv_instance_timeout = timeout;
+ queue_delayed_work(hdev->req_workqueue,
+ &hdev->adv_instance_expire,
+ msecs_to_jiffies(timeout * 1000));
+ }
+
+ /* If we're just re-scheduling the same instance again then do not
+ * execute any HCI commands. This happens when a single instance is
+ * being advertised.
+ */
+ if (!force && hdev->cur_adv_instance == instance &&
+ hci_dev_test_flag(hdev, HCI_LE_ADV))
+ return 0;
+
+ hdev->cur_adv_instance = instance;
+
+ return hci_start_adv_sync(hdev, instance);
+}
+
+static int hci_clear_adv_sets_sync(struct hci_dev *hdev, struct sock *sk)
+{
+ int err;
+
+ if (!ext_adv_capable(hdev))
+ return 0;
+
+ /* Disable instance 0x00 to disable all instances */
+ err = hci_disable_ext_adv_instance_sync(hdev, 0x00);
+ if (err)
+ return err;
+
+ return __hci_cmd_sync_status_sk(hdev, HCI_OP_LE_CLEAR_ADV_SETS,
+ 0, NULL, 0, HCI_CMD_TIMEOUT, sk);
+}
+
+static int hci_clear_adv_sync(struct hci_dev *hdev, struct sock *sk, bool force)
+{
+ struct adv_info *adv, *n;
+
+ if (ext_adv_capable(hdev))
+ /* Remove all existing sets */
+ return hci_clear_adv_sets_sync(hdev, sk);
+
+ /* This is safe as long as there is no command send while the lock is
+ * held.
+ */
+ hci_dev_lock(hdev);
+
+ /* Cleanup non-ext instances */
+ list_for_each_entry_safe(adv, n, &hdev->adv_instances, list) {
+ u8 instance = adv->instance;
+ int err;
+
+ if (!(force || adv->timeout))
+ continue;
+
+ err = hci_remove_adv_instance(hdev, instance);
+ if (!err)
+ mgmt_advertising_removed(sk, hdev, instance);
+ }
+
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int hci_remove_adv_sync(struct hci_dev *hdev, u8 instance,
+ struct sock *sk)
+{
+ int err;
+
+ /* If we use extended advertising, instance has to be removed first. */
+ if (ext_adv_capable(hdev))
+ return hci_remove_ext_adv_instance_sync(hdev, instance, sk);
+
+ /* This is safe as long as there is no command send while the lock is
+ * held.
+ */
+ hci_dev_lock(hdev);
+
+ err = hci_remove_adv_instance(hdev, instance);
+ if (!err)
+ mgmt_advertising_removed(sk, hdev, instance);
+
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
+/* For a single instance:
+ * - force == true: The instance will be removed even when its remaining
+ * lifetime is not zero.
+ * - force == false: the instance will be deactivated but kept stored unless
+ * the remaining lifetime is zero.
+ *
+ * For instance == 0x00:
+ * - force == true: All instances will be removed regardless of their timeout
+ * setting.
+ * - force == false: Only instances that have a timeout will be removed.
+ */
+int hci_remove_advertising_sync(struct hci_dev *hdev, struct sock *sk,
+ u8 instance, bool force)
+{
+ struct adv_info *next = NULL;
+ int err;
+
+ /* Cancel any timeout concerning the removed instance(s). */
+ if (!instance || hdev->cur_adv_instance == instance)
+ cancel_adv_timeout(hdev);
+
+ /* Get the next instance to advertise BEFORE we remove
+ * the current one. This can be the same instance again
+ * if there is only one instance.
+ */
+ if (hdev->cur_adv_instance == instance)
+ next = hci_get_next_instance(hdev, instance);
+
+ if (!instance) {
+ err = hci_clear_adv_sync(hdev, sk, force);
+ if (err)
+ return err;
+ } else {
+ struct adv_info *adv = hci_find_adv_instance(hdev, instance);
+
+ if (force || (adv && adv->timeout && !adv->remaining_time)) {
+ /* Don't advertise a removed instance. */
+ if (next && next->instance == instance)
+ next = NULL;
+
+ err = hci_remove_adv_sync(hdev, instance, sk);
+ if (err)
+ return err;
+ }
+ }
+
+ if (!hdev_is_powered(hdev) || hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ return 0;
+
+ if (next && !ext_adv_capable(hdev))
+ hci_schedule_adv_instance_sync(hdev, next->instance, false);
+
+ return 0;
+}
+
+int hci_read_rssi_sync(struct hci_dev *hdev, __le16 handle)
+{
+ struct hci_cp_read_rssi cp;
+
+ cp.handle = handle;
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_RSSI,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+int hci_read_clock_sync(struct hci_dev *hdev, struct hci_cp_read_clock *cp)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_CLOCK,
+ sizeof(*cp), cp, HCI_CMD_TIMEOUT);
+}
+
+int hci_read_tx_power_sync(struct hci_dev *hdev, __le16 handle, u8 type)
+{
+ struct hci_cp_read_tx_power cp;
+
+ cp.handle = handle;
+ cp.type = type;
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_TX_POWER,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+int hci_disable_advertising_sync(struct hci_dev *hdev)
+{
+ u8 enable = 0x00;
+
+ /* If controller is not advertising we are done. */
+ if (!hci_dev_test_flag(hdev, HCI_LE_ADV))
+ return 0;
+
+ if (ext_adv_capable(hdev))
+ return hci_disable_ext_adv_instance_sync(hdev, 0x00);
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_ENABLE,
+ sizeof(enable), &enable, HCI_CMD_TIMEOUT);
+}
+
+static int hci_le_set_ext_scan_enable_sync(struct hci_dev *hdev, u8 val,
+ u8 filter_dup)
+{
+ struct hci_cp_le_set_ext_scan_enable cp;
+
+ memset(&cp, 0, sizeof(cp));
+ cp.enable = val;
+ cp.filter_dup = filter_dup;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_SCAN_ENABLE,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static int hci_le_set_scan_enable_sync(struct hci_dev *hdev, u8 val,
+ u8 filter_dup)
+{
+ struct hci_cp_le_set_scan_enable cp;
+
+ if (use_ext_scan(hdev))
+ return hci_le_set_ext_scan_enable_sync(hdev, val, filter_dup);
+
+ memset(&cp, 0, sizeof(cp));
+ cp.enable = val;
+ cp.filter_dup = filter_dup;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_SCAN_ENABLE,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static int hci_le_set_addr_resolution_enable_sync(struct hci_dev *hdev, u8 val)
+{
+ if (!use_ll_privacy(hdev))
+ return 0;
+
+ /* If controller is not/already resolving we are done. */
+ if (val == hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADDR_RESOLV_ENABLE,
+ sizeof(val), &val, HCI_CMD_TIMEOUT);
+}
+
+static int hci_scan_disable_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ /* If controller is not scanning we are done. */
+ if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
+ return 0;
+
+ if (hdev->scanning_paused) {
+ bt_dev_dbg(hdev, "Scanning is paused for suspend");
+ return 0;
+ }
+
+ err = hci_le_set_scan_enable_sync(hdev, LE_SCAN_DISABLE, 0x00);
+ if (err) {
+ bt_dev_err(hdev, "Unable to disable scanning: %d", err);
+ return err;
+ }
+
+ return err;
+}
+
+static bool scan_use_rpa(struct hci_dev *hdev)
+{
+ return hci_dev_test_flag(hdev, HCI_PRIVACY);
+}
+
+static void hci_start_interleave_scan(struct hci_dev *hdev)
+{
+ hdev->interleave_scan_state = INTERLEAVE_SCAN_NO_FILTER;
+ queue_delayed_work(hdev->req_workqueue,
+ &hdev->interleave_scan, 0);
+}
+
+static bool is_interleave_scanning(struct hci_dev *hdev)
+{
+ return hdev->interleave_scan_state != INTERLEAVE_SCAN_NONE;
+}
+
+static void cancel_interleave_scan(struct hci_dev *hdev)
+{
+ bt_dev_dbg(hdev, "cancelling interleave scan");
+
+ cancel_delayed_work_sync(&hdev->interleave_scan);
+
+ hdev->interleave_scan_state = INTERLEAVE_SCAN_NONE;
+}
+
+/* Return true if interleave_scan wasn't started until exiting this function,
+ * otherwise, return false
+ */
+static bool hci_update_interleaved_scan_sync(struct hci_dev *hdev)
+{
+ /* Do interleaved scan only if all of the following are true:
+ * - There is at least one ADV monitor
+ * - At least one pending LE connection or one device to be scanned for
+ * - Monitor offloading is not supported
+ * If so, we should alternate between allowlist scan and one without
+ * any filters to save power.
+ */
+ bool use_interleaving = hci_is_adv_monitoring(hdev) &&
+ !(list_empty(&hdev->pend_le_conns) &&
+ list_empty(&hdev->pend_le_reports)) &&
+ hci_get_adv_monitor_offload_ext(hdev) ==
+ HCI_ADV_MONITOR_EXT_NONE;
+ bool is_interleaving = is_interleave_scanning(hdev);
+
+ if (use_interleaving && !is_interleaving) {
+ hci_start_interleave_scan(hdev);
+ bt_dev_dbg(hdev, "starting interleave scan");
+ return true;
+ }
+
+ if (!use_interleaving && is_interleaving)
+ cancel_interleave_scan(hdev);
+
+ return false;
+}
+
+/* Removes connection to resolve list if needed.*/
+static int hci_le_del_resolve_list_sync(struct hci_dev *hdev,
+ bdaddr_t *bdaddr, u8 bdaddr_type)
+{
+ struct hci_cp_le_del_from_resolv_list cp;
+ struct bdaddr_list_with_irk *entry;
+
+ if (!use_ll_privacy(hdev))
+ return 0;
+
+ /* Check if the IRK has been programmed */
+ entry = hci_bdaddr_list_lookup_with_irk(&hdev->le_resolv_list, bdaddr,
+ bdaddr_type);
+ if (!entry)
+ return 0;
+
+ cp.bdaddr_type = bdaddr_type;
+ bacpy(&cp.bdaddr, bdaddr);
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_DEL_FROM_RESOLV_LIST,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static int hci_le_del_accept_list_sync(struct hci_dev *hdev,
+ bdaddr_t *bdaddr, u8 bdaddr_type)
+{
+ struct hci_cp_le_del_from_accept_list cp;
+ int err;
+
+ /* Check if device is on accept list before removing it */
+ if (!hci_bdaddr_list_lookup(&hdev->le_accept_list, bdaddr, bdaddr_type))
+ return 0;
+
+ cp.bdaddr_type = bdaddr_type;
+ bacpy(&cp.bdaddr, bdaddr);
+
+ /* Ignore errors when removing from resolving list as that is likely
+ * that the device was never added.
+ */
+ hci_le_del_resolve_list_sync(hdev, &cp.bdaddr, cp.bdaddr_type);
+
+ err = __hci_cmd_sync_status(hdev, HCI_OP_LE_DEL_FROM_ACCEPT_LIST,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+ if (err) {
+ bt_dev_err(hdev, "Unable to remove from allow list: %d", err);
+ return err;
+ }
+
+ bt_dev_dbg(hdev, "Remove %pMR (0x%x) from allow list", &cp.bdaddr,
+ cp.bdaddr_type);
+
+ return 0;
+}
+
+/* Adds connection to resolve list if needed.
+ * Setting params to NULL programs local hdev->irk
+ */
+static int hci_le_add_resolve_list_sync(struct hci_dev *hdev,
+ struct hci_conn_params *params)
+{
+ struct hci_cp_le_add_to_resolv_list cp;
+ struct smp_irk *irk;
+ struct bdaddr_list_with_irk *entry;
+
+ if (!use_ll_privacy(hdev))
+ return 0;
+
+ /* Attempt to program local identity address, type and irk if params is
+ * NULL.
+ */
+ if (!params) {
+ if (!hci_dev_test_flag(hdev, HCI_PRIVACY))
+ return 0;
+
+ hci_copy_identity_address(hdev, &cp.bdaddr, &cp.bdaddr_type);
+ memcpy(cp.peer_irk, hdev->irk, 16);
+ goto done;
+ }
+
+ irk = hci_find_irk_by_addr(hdev, ¶ms->addr, params->addr_type);
+ if (!irk)
+ return 0;
+
+ /* Check if the IK has _not_ been programmed yet. */
+ entry = hci_bdaddr_list_lookup_with_irk(&hdev->le_resolv_list,
+ ¶ms->addr,
+ params->addr_type);
+ if (entry)
+ return 0;
+
+ cp.bdaddr_type = params->addr_type;
+ bacpy(&cp.bdaddr, ¶ms->addr);
+ memcpy(cp.peer_irk, irk->val, 16);
+
+done:
+ if (hci_dev_test_flag(hdev, HCI_PRIVACY))
+ memcpy(cp.local_irk, hdev->irk, 16);
+ else
+ memset(cp.local_irk, 0, 16);
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_ADD_TO_RESOLV_LIST,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+/* Adds connection to allow list if needed, if the device uses RPA (has IRK)
+ * this attempts to program the device in the resolving list as well.
+ */
+static int hci_le_add_accept_list_sync(struct hci_dev *hdev,
+ struct hci_conn_params *params,
+ u8 *num_entries)
+{
+ struct hci_cp_le_add_to_accept_list cp;
+ int err;
+
+ /* Already in accept list */
+ if (hci_bdaddr_list_lookup(&hdev->le_accept_list, ¶ms->addr,
+ params->addr_type))
+ return 0;
+
+ /* Select filter policy to accept all advertising */
+ if (*num_entries >= hdev->le_accept_list_size)
+ return -ENOSPC;
+
+ /* Accept list can not be used with RPAs */
+ if (!use_ll_privacy(hdev) &&
+ hci_find_irk_by_addr(hdev, ¶ms->addr, params->addr_type)) {
+ return -EINVAL;
+ }
+
+ /* During suspend, only wakeable devices can be in acceptlist */
+ if (hdev->suspended && !hci_conn_test_flag(HCI_CONN_FLAG_REMOTE_WAKEUP,
+ params->current_flags))
+ return 0;
+
+ /* Attempt to program the device in the resolving list first to avoid
+ * having to rollback in case it fails since the resolving list is
+ * dynamic it can probably be smaller than the accept list.
+ */
+ err = hci_le_add_resolve_list_sync(hdev, params);
+ if (err) {
+ bt_dev_err(hdev, "Unable to add to resolve list: %d", err);
+ return err;
+ }
+
+ *num_entries += 1;
+ cp.bdaddr_type = params->addr_type;
+ bacpy(&cp.bdaddr, ¶ms->addr);
+
+ err = __hci_cmd_sync_status(hdev, HCI_OP_LE_ADD_TO_ACCEPT_LIST,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+ if (err) {
+ bt_dev_err(hdev, "Unable to add to allow list: %d", err);
+ /* Rollback the device from the resolving list */
+ hci_le_del_resolve_list_sync(hdev, &cp.bdaddr, cp.bdaddr_type);
+ return err;
+ }
+
+ bt_dev_dbg(hdev, "Add %pMR (0x%x) to allow list", &cp.bdaddr,
+ cp.bdaddr_type);
+
+ return 0;
+}
+
+/* This function disables/pause all advertising instances */
+static int hci_pause_advertising_sync(struct hci_dev *hdev)
+{
+ int err;
+ int old_state;
+
+ /* If there are no instances or advertising has already been paused
+ * there is nothing to do.
+ */
+ if (!hdev->adv_instance_cnt || hdev->advertising_paused)
+ return 0;
+
+ bt_dev_dbg(hdev, "Pausing directed advertising");
+
+ /* Stop directed advertising */
+ old_state = hci_dev_test_flag(hdev, HCI_ADVERTISING);
+ if (old_state) {
+ /* When discoverable timeout triggers, then just make sure
+ * the limited discoverable flag is cleared. Even in the case
+ * of a timeout triggered from general discoverable, it is
+ * safe to unconditionally clear the flag.
+ */
+ hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
+ hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
+ hdev->discov_timeout = 0;
+ }
+
+ bt_dev_dbg(hdev, "Pausing advertising instances");
+
+ /* Call to disable any advertisements active on the controller.
+ * This will succeed even if no advertisements are configured.
+ */
+ err = hci_disable_advertising_sync(hdev);
+ if (err)
+ return err;
+
+ /* If we are using software rotation, pause the loop */
+ if (!ext_adv_capable(hdev))
+ cancel_adv_timeout(hdev);
+
+ hdev->advertising_paused = true;
+ hdev->advertising_old_state = old_state;
+
+ return 0;
+}
+
+/* This function enables all user advertising instances */
+static int hci_resume_advertising_sync(struct hci_dev *hdev)
+{
+ struct adv_info *adv, *tmp;
+ int err;
+
+ /* If advertising has not been paused there is nothing to do. */
+ if (!hdev->advertising_paused)
+ return 0;
+
+ /* Resume directed advertising */
+ hdev->advertising_paused = false;
+ if (hdev->advertising_old_state) {
+ hci_dev_set_flag(hdev, HCI_ADVERTISING);
+ hdev->advertising_old_state = 0;
+ }
+
+ bt_dev_dbg(hdev, "Resuming advertising instances");
+
+ if (ext_adv_capable(hdev)) {
+ /* Call for each tracked instance to be re-enabled */
+ list_for_each_entry_safe(adv, tmp, &hdev->adv_instances, list) {
+ err = hci_enable_ext_advertising_sync(hdev,
+ adv->instance);
+ if (!err)
+ continue;
+
+ /* If the instance cannot be resumed remove it */
+ hci_remove_ext_adv_instance_sync(hdev, adv->instance,
+ NULL);
+ }
+ } else {
+ /* Schedule for most recent instance to be restarted and begin
+ * the software rotation loop
+ */
+ err = hci_schedule_adv_instance_sync(hdev,
+ hdev->cur_adv_instance,
+ true);
+ }
+
+ hdev->advertising_paused = false;
+
+ return err;
+}
+
+struct sk_buff *hci_read_local_oob_data_sync(struct hci_dev *hdev,
+ bool extended, struct sock *sk)
+{
+ u16 opcode = extended ? HCI_OP_READ_LOCAL_OOB_EXT_DATA :
+ HCI_OP_READ_LOCAL_OOB_DATA;
+
+ return __hci_cmd_sync_sk(hdev, opcode, 0, NULL, 0, HCI_CMD_TIMEOUT, sk);
+}
+
+/* Device must not be scanning when updating the accept list.
+ *
+ * Update is done using the following sequence:
+ *
+ * use_ll_privacy((Disable Advertising) -> Disable Resolving List) ->
+ * Remove Devices From Accept List ->
+ * (has IRK && use_ll_privacy(Remove Devices From Resolving List))->
+ * Add Devices to Accept List ->
+ * (has IRK && use_ll_privacy(Remove Devices From Resolving List)) ->
+ * use_ll_privacy(Enable Resolving List -> (Enable Advertising)) ->
+ * Enable Scanning
+ *
+ * In case of failure advertising shall be restored to its original state and
+ * return would disable accept list since either accept or resolving list could
+ * not be programmed.
+ *
+ */
+static u8 hci_update_accept_list_sync(struct hci_dev *hdev)
+{
+ struct hci_conn_params *params;
+ struct bdaddr_list *b, *t;
+ u8 num_entries = 0;
+ bool pend_conn, pend_report;
+ int err;
+
+ /* Pause advertising if resolving list can be used as controllers are
+ * cannot accept resolving list modifications while advertising.
+ */
+ if (use_ll_privacy(hdev)) {
+ err = hci_pause_advertising_sync(hdev);
+ if (err) {
+ bt_dev_err(hdev, "pause advertising failed: %d", err);
+ return 0x00;
+ }
+ }
+
+ /* Disable address resolution while reprogramming accept list since
+ * devices that do have an IRK will be programmed in the resolving list
+ * when LL Privacy is enabled.
+ */
+ err = hci_le_set_addr_resolution_enable_sync(hdev, 0x00);
+ if (err) {
+ bt_dev_err(hdev, "Unable to disable LL privacy: %d", err);
+ goto done;
+ }
+
+ /* Go through the current accept list programmed into the
+ * controller one by one and check if that address is still
+ * in the list of pending connections or list of devices to
+ * report. If not present in either list, then remove it from
+ * the controller.
+ */
+ list_for_each_entry_safe(b, t, &hdev->le_accept_list, list) {
+ pend_conn = hci_pend_le_action_lookup(&hdev->pend_le_conns,
+ &b->bdaddr,
+ b->bdaddr_type);
+ pend_report = hci_pend_le_action_lookup(&hdev->pend_le_reports,
+ &b->bdaddr,
+ b->bdaddr_type);
+
+ /* If the device is not likely to connect or report,
+ * remove it from the acceptlist.
+ */
+ if (!pend_conn && !pend_report) {
+ hci_le_del_accept_list_sync(hdev, &b->bdaddr,
+ b->bdaddr_type);
+ continue;
+ }
+
+ num_entries++;
+ }
+
+ /* Since all no longer valid accept list entries have been
+ * removed, walk through the list of pending connections
+ * and ensure that any new device gets programmed into
+ * the controller.
+ *
+ * If the list of the devices is larger than the list of
+ * available accept list entries in the controller, then
+ * just abort and return filer policy value to not use the
+ * accept list.
+ */
+ list_for_each_entry(params, &hdev->pend_le_conns, action) {
+ err = hci_le_add_accept_list_sync(hdev, params, &num_entries);
+ if (err)
+ goto done;
+ }
+
+ /* After adding all new pending connections, walk through
+ * the list of pending reports and also add these to the
+ * accept list if there is still space. Abort if space runs out.
+ */
+ list_for_each_entry(params, &hdev->pend_le_reports, action) {
+ err = hci_le_add_accept_list_sync(hdev, params, &num_entries);
+ if (err)
+ goto done;
+ }
+
+ /* Use the allowlist unless the following conditions are all true:
+ * - We are not currently suspending
+ * - There are 1 or more ADV monitors registered and it's not offloaded
+ * - Interleaved scanning is not currently using the allowlist
+ */
+ if (!idr_is_empty(&hdev->adv_monitors_idr) && !hdev->suspended &&
+ hci_get_adv_monitor_offload_ext(hdev) == HCI_ADV_MONITOR_EXT_NONE &&
+ hdev->interleave_scan_state != INTERLEAVE_SCAN_ALLOWLIST)
+ err = -EINVAL;
+
+done:
+ /* Enable address resolution when LL Privacy is enabled. */
+ err = hci_le_set_addr_resolution_enable_sync(hdev, 0x01);
+ if (err)
+ bt_dev_err(hdev, "Unable to enable LL privacy: %d", err);
+
+ /* Resume advertising if it was paused */
+ if (use_ll_privacy(hdev))
+ hci_resume_advertising_sync(hdev);
+
+ /* Select filter policy to use accept list */
+ return err ? 0x00 : 0x01;
+}
+
+/* Returns true if an le connection is in the scanning state */
+static inline bool hci_is_le_conn_scanning(struct hci_dev *hdev)
+{
+ struct hci_conn_hash *h = &hdev->conn_hash;
+ struct hci_conn *c;
+
+ rcu_read_lock();
+
+ list_for_each_entry_rcu(c, &h->list, list) {
+ if (c->type == LE_LINK && c->state == BT_CONNECT &&
+ test_bit(HCI_CONN_SCANNING, &c->flags)) {
+ rcu_read_unlock();
+ return true;
+ }
+ }
+
+ rcu_read_unlock();
+
+ return false;
+}
+
+static int hci_le_set_ext_scan_param_sync(struct hci_dev *hdev, u8 type,
+ u16 interval, u16 window,
+ u8 own_addr_type, u8 filter_policy)
+{
+ struct hci_cp_le_set_ext_scan_params *cp;
+ struct hci_cp_le_scan_phy_params *phy;
+ u8 data[sizeof(*cp) + sizeof(*phy) * 2];
+ u8 num_phy = 0;
+
+ cp = (void *)data;
+ phy = (void *)cp->data;
+
+ memset(data, 0, sizeof(data));
+
+ cp->own_addr_type = own_addr_type;
+ cp->filter_policy = filter_policy;
+
+ if (scan_1m(hdev) || scan_2m(hdev)) {
+ cp->scanning_phys |= LE_SCAN_PHY_1M;
+
+ phy->type = type;
+ phy->interval = cpu_to_le16(interval);
+ phy->window = cpu_to_le16(window);
+
+ num_phy++;
+ phy++;
+ }
+
+ if (scan_coded(hdev)) {
+ cp->scanning_phys |= LE_SCAN_PHY_CODED;
+
+ phy->type = type;
+ phy->interval = cpu_to_le16(interval);
+ phy->window = cpu_to_le16(window);
+
+ num_phy++;
+ phy++;
+ }
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_SCAN_PARAMS,
+ sizeof(*cp) + sizeof(*phy) * num_phy,
+ data, HCI_CMD_TIMEOUT);
+}
+
+static int hci_le_set_scan_param_sync(struct hci_dev *hdev, u8 type,
+ u16 interval, u16 window,
+ u8 own_addr_type, u8 filter_policy)
+{
+ struct hci_cp_le_set_scan_param cp;
+
+ if (use_ext_scan(hdev))
+ return hci_le_set_ext_scan_param_sync(hdev, type, interval,
+ window, own_addr_type,
+ filter_policy);
+
+ memset(&cp, 0, sizeof(cp));
+ cp.type = type;
+ cp.interval = cpu_to_le16(interval);
+ cp.window = cpu_to_le16(window);
+ cp.own_address_type = own_addr_type;
+ cp.filter_policy = filter_policy;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_SCAN_PARAM,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static int hci_start_scan_sync(struct hci_dev *hdev, u8 type, u16 interval,
+ u16 window, u8 own_addr_type, u8 filter_policy,
+ u8 filter_dup)
+{
+ int err;
+
+ if (hdev->scanning_paused) {
+ bt_dev_dbg(hdev, "Scanning is paused for suspend");
+ return 0;
+ }
+
+ err = hci_le_set_scan_param_sync(hdev, type, interval, window,
+ own_addr_type, filter_policy);
+ if (err)
+ return err;
+
+ return hci_le_set_scan_enable_sync(hdev, LE_SCAN_ENABLE, filter_dup);
+}
+
+static int hci_passive_scan_sync(struct hci_dev *hdev)
+{
+ u8 own_addr_type;
+ u8 filter_policy;
+ u16 window, interval;
+ int err;
+
+ if (hdev->scanning_paused) {
+ bt_dev_dbg(hdev, "Scanning is paused for suspend");
+ return 0;
+ }
+
+ err = hci_scan_disable_sync(hdev);
+ if (err) {
+ bt_dev_err(hdev, "disable scanning failed: %d", err);
+ return err;
+ }
+
+ /* Set require_privacy to false since no SCAN_REQ are send
+ * during passive scanning. Not using an non-resolvable address
+ * here is important so that peer devices using direct
+ * advertising with our address will be correctly reported
+ * by the controller.
+ */
+ if (hci_update_random_address_sync(hdev, false, scan_use_rpa(hdev),
+ &own_addr_type))
+ return 0;
+
+ if (hdev->enable_advmon_interleave_scan &&
+ hci_update_interleaved_scan_sync(hdev))
+ return 0;
+
+ bt_dev_dbg(hdev, "interleave state %d", hdev->interleave_scan_state);
+
+ /* Adding or removing entries from the accept list must
+ * happen before enabling scanning. The controller does
+ * not allow accept list modification while scanning.
+ */
+ filter_policy = hci_update_accept_list_sync(hdev);
+
+ /* When the controller is using random resolvable addresses and
+ * with that having LE privacy enabled, then controllers with
+ * Extended Scanner Filter Policies support can now enable support
+ * for handling directed advertising.
+ *
+ * So instead of using filter polices 0x00 (no acceptlist)
+ * and 0x01 (acceptlist enabled) use the new filter policies
+ * 0x02 (no acceptlist) and 0x03 (acceptlist enabled).
+ */
+ if (hci_dev_test_flag(hdev, HCI_PRIVACY) &&
+ (hdev->le_features[0] & HCI_LE_EXT_SCAN_POLICY))
+ filter_policy |= 0x02;
+
+ if (hdev->suspended) {
+ window = hdev->le_scan_window_suspend;
+ interval = hdev->le_scan_int_suspend;
+ } else if (hci_is_le_conn_scanning(hdev)) {
+ window = hdev->le_scan_window_connect;
+ interval = hdev->le_scan_int_connect;
+ } else if (hci_is_adv_monitoring(hdev)) {
+ window = hdev->le_scan_window_adv_monitor;
+ interval = hdev->le_scan_int_adv_monitor;
+ } else {
+ window = hdev->le_scan_window;
+ interval = hdev->le_scan_interval;
+ }
+
+ bt_dev_dbg(hdev, "LE passive scan with acceptlist = %d", filter_policy);
+
+ return hci_start_scan_sync(hdev, LE_SCAN_PASSIVE, interval, window,
+ own_addr_type, filter_policy,
+ LE_SCAN_FILTER_DUP_ENABLE);
+}
+
+/* This function controls the passive scanning based on hdev->pend_le_conns
+ * list. If there are pending LE connection we start the background scanning,
+ * otherwise we stop it in the following sequence:
+ *
+ * If there are devices to scan:
+ *
+ * Disable Scanning -> Update Accept List ->
+ * use_ll_privacy((Disable Advertising) -> Disable Resolving List ->
+ * Update Resolving List -> Enable Resolving List -> (Enable Advertising)) ->
+ * Enable Scanning
+ *
+ * Otherwise:
+ *
+ * Disable Scanning
+ */
+int hci_update_passive_scan_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ if (!test_bit(HCI_UP, &hdev->flags) ||
+ test_bit(HCI_INIT, &hdev->flags) ||
+ hci_dev_test_flag(hdev, HCI_SETUP) ||
+ hci_dev_test_flag(hdev, HCI_CONFIG) ||
+ hci_dev_test_flag(hdev, HCI_AUTO_OFF) ||
+ hci_dev_test_flag(hdev, HCI_UNREGISTER))
+ return 0;
+
+ /* No point in doing scanning if LE support hasn't been enabled */
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return 0;
+
+ /* If discovery is active don't interfere with it */
+ if (hdev->discovery.state != DISCOVERY_STOPPED)
+ return 0;
+
+ /* Reset RSSI and UUID filters when starting background scanning
+ * since these filters are meant for service discovery only.
+ *
+ * The Start Discovery and Start Service Discovery operations
+ * ensure to set proper values for RSSI threshold and UUID
+ * filter list. So it is safe to just reset them here.
+ */
+ hci_discovery_filter_clear(hdev);
+
+ bt_dev_dbg(hdev, "ADV monitoring is %s",
+ hci_is_adv_monitoring(hdev) ? "on" : "off");
+
+ if (list_empty(&hdev->pend_le_conns) &&
+ list_empty(&hdev->pend_le_reports) &&
+ !hci_is_adv_monitoring(hdev)) {
+ /* If there is no pending LE connections or devices
+ * to be scanned for or no ADV monitors, we should stop the
+ * background scanning.
+ */
+
+ bt_dev_dbg(hdev, "stopping background scanning");
+
+ err = hci_scan_disable_sync(hdev);
+ if (err)
+ bt_dev_err(hdev, "stop background scanning failed: %d",
+ err);
+ } else {
+ /* If there is at least one pending LE connection, we should
+ * keep the background scan running.
+ */
+
+ /* If controller is connecting, we should not start scanning
+ * since some controllers are not able to scan and connect at
+ * the same time.
+ */
+ if (hci_lookup_le_connect(hdev))
+ return 0;
+
+ bt_dev_dbg(hdev, "start background scanning");
+
+ err = hci_passive_scan_sync(hdev);
+ if (err)
+ bt_dev_err(hdev, "start background scanning failed: %d",
+ err);
+ }
+
+ return err;
+}
+
+static int update_passive_scan_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_update_passive_scan_sync(hdev);
+}
+
+int hci_update_passive_scan(struct hci_dev *hdev)
+{
+ /* Only queue if it would have any effect */
+ if (!test_bit(HCI_UP, &hdev->flags) ||
+ test_bit(HCI_INIT, &hdev->flags) ||
+ hci_dev_test_flag(hdev, HCI_SETUP) ||
+ hci_dev_test_flag(hdev, HCI_CONFIG) ||
+ hci_dev_test_flag(hdev, HCI_AUTO_OFF) ||
+ hci_dev_test_flag(hdev, HCI_UNREGISTER))
+ return 0;
+
+ return hci_cmd_sync_queue(hdev, update_passive_scan_sync, NULL, NULL);
+}
+
+int hci_write_sc_support_sync(struct hci_dev *hdev, u8 val)
+{
+ int err;
+
+ if (!bredr_sc_enabled(hdev) || lmp_host_sc_capable(hdev))
+ return 0;
+
+ err = __hci_cmd_sync_status(hdev, HCI_OP_WRITE_SC_SUPPORT,
+ sizeof(val), &val, HCI_CMD_TIMEOUT);
+
+ if (!err) {
+ if (val) {
+ hdev->features[1][0] |= LMP_HOST_SC;
+ hci_dev_set_flag(hdev, HCI_SC_ENABLED);
+ } else {
+ hdev->features[1][0] &= ~LMP_HOST_SC;
+ hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
+ }
+ }
+
+ return err;
+}
+
+int hci_write_ssp_mode_sync(struct hci_dev *hdev, u8 mode)
+{
+ int err;
+
+ if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED) ||
+ lmp_host_ssp_capable(hdev))
+ return 0;
+
+ if (!mode && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS)) {
+ __hci_cmd_sync_status(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
+ sizeof(mode), &mode, HCI_CMD_TIMEOUT);
+ }
+
+ err = __hci_cmd_sync_status(hdev, HCI_OP_WRITE_SSP_MODE,
+ sizeof(mode), &mode, HCI_CMD_TIMEOUT);
+ if (err)
+ return err;
+
+ return hci_write_sc_support_sync(hdev, 0x01);
+}
+
+int hci_write_le_host_supported_sync(struct hci_dev *hdev, u8 le, u8 simul)
+{
+ struct hci_cp_write_le_host_supported cp;
+
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) ||
+ !lmp_bredr_capable(hdev))
+ return 0;
+
+ /* Check first if we already have the right host state
+ * (host features set)
+ */
+ if (le == lmp_host_le_capable(hdev) &&
+ simul == lmp_host_le_br_capable(hdev))
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+
+ cp.le = le;
+ cp.simul = simul;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static int hci_powered_update_adv_sync(struct hci_dev *hdev)
+{
+ struct adv_info *adv, *tmp;
+ int err;
+
+ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+ return 0;
+
+ /* If RPA Resolution has not been enable yet it means the
+ * resolving list is empty and we should attempt to program the
+ * local IRK in order to support using own_addr_type
+ * ADDR_LE_DEV_RANDOM_RESOLVED (0x03).
+ */
+ if (!hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION)) {
+ hci_le_add_resolve_list_sync(hdev, NULL);
+ hci_le_set_addr_resolution_enable_sync(hdev, 0x01);
+ }
+
+ /* Make sure the controller has a good default for
+ * advertising data. This also applies to the case
+ * where BR/EDR was toggled during the AUTO_OFF phase.
+ */
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
+ list_empty(&hdev->adv_instances)) {
+ if (ext_adv_capable(hdev)) {
+ err = hci_setup_ext_adv_instance_sync(hdev, 0x00);
+ if (!err)
+ hci_update_scan_rsp_data_sync(hdev, 0x00);
+ } else {
+ err = hci_update_adv_data_sync(hdev, 0x00);
+ if (!err)
+ hci_update_scan_rsp_data_sync(hdev, 0x00);
+ }
+
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ hci_enable_advertising_sync(hdev);
+ }
+
+ /* Call for each tracked instance to be scheduled */
+ list_for_each_entry_safe(adv, tmp, &hdev->adv_instances, list)
+ hci_schedule_adv_instance_sync(hdev, adv->instance, true);
+
+ return 0;
+}
+
+static int hci_write_auth_enable_sync(struct hci_dev *hdev)
+{
+ u8 link_sec;
+
+ link_sec = hci_dev_test_flag(hdev, HCI_LINK_SECURITY);
+ if (link_sec == test_bit(HCI_AUTH, &hdev->flags))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_AUTH_ENABLE,
+ sizeof(link_sec), &link_sec,
+ HCI_CMD_TIMEOUT);
+}
+
+int hci_write_fast_connectable_sync(struct hci_dev *hdev, bool enable)
+{
+ struct hci_cp_write_page_scan_activity cp;
+ u8 type;
+ int err = 0;
+
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ return 0;
+
+ if (hdev->hci_ver < BLUETOOTH_VER_1_2)
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+
+ if (enable) {
+ type = PAGE_SCAN_TYPE_INTERLACED;
+
+ /* 160 msec page scan interval */
+ cp.interval = cpu_to_le16(0x0100);
+ } else {
+ type = hdev->def_page_scan_type;
+ cp.interval = cpu_to_le16(hdev->def_page_scan_int);
+ }
+
+ cp.window = cpu_to_le16(hdev->def_page_scan_window);
+
+ if (__cpu_to_le16(hdev->page_scan_interval) != cp.interval ||
+ __cpu_to_le16(hdev->page_scan_window) != cp.window) {
+ err = __hci_cmd_sync_status(hdev,
+ HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+ if (err)
+ return err;
+ }
+
+ if (hdev->page_scan_type != type)
+ err = __hci_cmd_sync_status(hdev,
+ HCI_OP_WRITE_PAGE_SCAN_TYPE,
+ sizeof(type), &type,
+ HCI_CMD_TIMEOUT);
+
+ return err;
+}
+
+static bool disconnected_accept_list_entries(struct hci_dev *hdev)
+{
+ struct bdaddr_list *b;
+
+ list_for_each_entry(b, &hdev->accept_list, list) {
+ struct hci_conn *conn;
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &b->bdaddr);
+ if (!conn)
+ return true;
+
+ if (conn->state != BT_CONNECTED && conn->state != BT_CONFIG)
+ return true;
+ }
+
+ return false;
+}
+
+static int hci_write_scan_enable_sync(struct hci_dev *hdev, u8 val)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_SCAN_ENABLE,
+ sizeof(val), &val,
+ HCI_CMD_TIMEOUT);
+}
+
+int hci_update_scan_sync(struct hci_dev *hdev)
+{
+ u8 scan;
+
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ return 0;
+
+ if (!hdev_is_powered(hdev))
+ return 0;
+
+ if (mgmt_powering_down(hdev))
+ return 0;
+
+ if (hdev->scanning_paused)
+ return 0;
+
+ if (hci_dev_test_flag(hdev, HCI_CONNECTABLE) ||
+ disconnected_accept_list_entries(hdev))
+ scan = SCAN_PAGE;
+ else
+ scan = SCAN_DISABLED;
+
+ if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
+ scan |= SCAN_INQUIRY;
+
+ if (test_bit(HCI_PSCAN, &hdev->flags) == !!(scan & SCAN_PAGE) &&
+ test_bit(HCI_ISCAN, &hdev->flags) == !!(scan & SCAN_INQUIRY))
+ return 0;
+
+ return hci_write_scan_enable_sync(hdev, scan);
+}
+
+int hci_update_name_sync(struct hci_dev *hdev)
+{
+ struct hci_cp_write_local_name cp;
+
+ memset(&cp, 0, sizeof(cp));
+
+ memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_LOCAL_NAME,
+ sizeof(cp), &cp,
+ HCI_CMD_TIMEOUT);
+}
+
+/* This function perform powered update HCI command sequence after the HCI init
+ * sequence which end up resetting all states, the sequence is as follows:
+ *
+ * HCI_SSP_ENABLED(Enable SSP)
+ * HCI_LE_ENABLED(Enable LE)
+ * HCI_LE_ENABLED(use_ll_privacy(Add local IRK to Resolving List) ->
+ * Update adv data)
+ * Enable Authentication
+ * lmp_bredr_capable(Set Fast Connectable -> Set Scan Type -> Set Class ->
+ * Set Name -> Set EIR)
+ */
+int hci_powered_update_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ /* Register the available SMP channels (BR/EDR and LE) only when
+ * successfully powering on the controller. This late
+ * registration is required so that LE SMP can clearly decide if
+ * the public address or static address is used.
+ */
+ smp_register(hdev);
+
+ err = hci_write_ssp_mode_sync(hdev, 0x01);
+ if (err)
+ return err;
+
+ err = hci_write_le_host_supported_sync(hdev, 0x01, 0x00);
+ if (err)
+ return err;
+
+ err = hci_powered_update_adv_sync(hdev);
+ if (err)
+ return err;
+
+ err = hci_write_auth_enable_sync(hdev);
+ if (err)
+ return err;
+
+ if (lmp_bredr_capable(hdev)) {
+ if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
+ hci_write_fast_connectable_sync(hdev, true);
+ else
+ hci_write_fast_connectable_sync(hdev, false);
+ hci_update_scan_sync(hdev);
+ hci_update_class_sync(hdev);
+ hci_update_name_sync(hdev);
+ hci_update_eir_sync(hdev);
+ }
+
+ return 0;
+}
+
+/**
+ * hci_dev_get_bd_addr_from_property - Get the Bluetooth Device Address
+ * (BD_ADDR) for a HCI device from
+ * a firmware node property.
+ * @hdev: The HCI device
+ *
+ * Search the firmware node for 'local-bd-address'.
+ *
+ * All-zero BD addresses are rejected, because those could be properties
+ * that exist in the firmware tables, but were not updated by the firmware. For
+ * example, the DTS could define 'local-bd-address', with zero BD addresses.
+ */
+static void hci_dev_get_bd_addr_from_property(struct hci_dev *hdev)
+{
+ struct fwnode_handle *fwnode = dev_fwnode(hdev->dev.parent);
+ bdaddr_t ba;
+ int ret;
+
+ ret = fwnode_property_read_u8_array(fwnode, "local-bd-address",
+ (u8 *)&ba, sizeof(ba));
+ if (ret < 0 || !bacmp(&ba, BDADDR_ANY))
+ return;
+
+ bacpy(&hdev->public_addr, &ba);
+}
+
+struct hci_init_stage {
+ int (*func)(struct hci_dev *hdev);
+};
+
+/* Run init stage NULL terminated function table */
+static int hci_init_stage_sync(struct hci_dev *hdev,
+ const struct hci_init_stage *stage)
+{
+ size_t i;
+
+ for (i = 0; stage[i].func; i++) {
+ int err;
+
+ err = stage[i].func(hdev);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Read Local Version */
+static int hci_read_local_version_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_LOCAL_VERSION,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Read BD Address */
+static int hci_read_bd_addr_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_BD_ADDR,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+#define HCI_INIT(_func) \
+{ \
+ .func = _func, \
+}
+
+static const struct hci_init_stage hci_init0[] = {
+ /* HCI_OP_READ_LOCAL_VERSION */
+ HCI_INIT(hci_read_local_version_sync),
+ /* HCI_OP_READ_BD_ADDR */
+ HCI_INIT(hci_read_bd_addr_sync),
+ {}
+};
+
+int hci_reset_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ set_bit(HCI_RESET, &hdev->flags);
+
+ err = __hci_cmd_sync_status(hdev, HCI_OP_RESET, 0, NULL,
+ HCI_CMD_TIMEOUT);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int hci_init0_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ bt_dev_dbg(hdev, "");
+
+ /* Reset */
+ if (!test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) {
+ err = hci_reset_sync(hdev);
+ if (err)
+ return err;
+ }
+
+ return hci_init_stage_sync(hdev, hci_init0);
+}
+
+static int hci_unconf_init_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
+ return 0;
+
+ err = hci_init0_sync(hdev);
+ if (err < 0)
+ return err;
+
+ if (hci_dev_test_flag(hdev, HCI_SETUP))
+ hci_debugfs_create_basic(hdev);
+
+ return 0;
+}
+
+/* Read Local Supported Features. */
+static int hci_read_local_features_sync(struct hci_dev *hdev)
+{
+ /* Not all AMP controllers support this command */
+ if (hdev->dev_type == HCI_AMP && !(hdev->commands[14] & 0x20))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_LOCAL_FEATURES,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* BR Controller init stage 1 command sequence */
+static const struct hci_init_stage br_init1[] = {
+ /* HCI_OP_READ_LOCAL_FEATURES */
+ HCI_INIT(hci_read_local_features_sync),
+ /* HCI_OP_READ_LOCAL_VERSION */
+ HCI_INIT(hci_read_local_version_sync),
+ /* HCI_OP_READ_BD_ADDR */
+ HCI_INIT(hci_read_bd_addr_sync),
+ {}
+};
+
+/* Read Local Commands */
+static int hci_read_local_cmds_sync(struct hci_dev *hdev)
+{
+ /* All Bluetooth 1.2 and later controllers should support the
+ * HCI command for reading the local supported commands.
+ *
+ * Unfortunately some controllers indicate Bluetooth 1.2 support,
+ * but do not have support for this command. If that is the case,
+ * the driver can quirk the behavior and skip reading the local
+ * supported commands.
+ */
+ if (hdev->hci_ver > BLUETOOTH_VER_1_1 &&
+ !test_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks))
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_LOCAL_COMMANDS,
+ 0, NULL, HCI_CMD_TIMEOUT);
+
+ return 0;
+}
+
+/* Read Local AMP Info */
+static int hci_read_local_amp_info_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_LOCAL_AMP_INFO,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Read Data Blk size */
+static int hci_read_data_block_size_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_DATA_BLOCK_SIZE,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Read Flow Control Mode */
+static int hci_read_flow_control_mode_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_FLOW_CONTROL_MODE,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Read Location Data */
+static int hci_read_location_data_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_LOCATION_DATA,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* AMP Controller init stage 1 command sequence */
+static const struct hci_init_stage amp_init1[] = {
+ /* HCI_OP_READ_LOCAL_VERSION */
+ HCI_INIT(hci_read_local_version_sync),
+ /* HCI_OP_READ_LOCAL_COMMANDS */
+ HCI_INIT(hci_read_local_cmds_sync),
+ /* HCI_OP_READ_LOCAL_AMP_INFO */
+ HCI_INIT(hci_read_local_amp_info_sync),
+ /* HCI_OP_READ_DATA_BLOCK_SIZE */
+ HCI_INIT(hci_read_data_block_size_sync),
+ /* HCI_OP_READ_FLOW_CONTROL_MODE */
+ HCI_INIT(hci_read_flow_control_mode_sync),
+ /* HCI_OP_READ_LOCATION_DATA */
+ HCI_INIT(hci_read_location_data_sync),
+};
+
+static int hci_init1_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ bt_dev_dbg(hdev, "");
+
+ /* Reset */
+ if (!test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) {
+ err = hci_reset_sync(hdev);
+ if (err)
+ return err;
+ }
+
+ switch (hdev->dev_type) {
+ case HCI_PRIMARY:
+ hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_PACKET_BASED;
+ return hci_init_stage_sync(hdev, br_init1);
+ case HCI_AMP:
+ hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_BLOCK_BASED;
+ return hci_init_stage_sync(hdev, amp_init1);
+ default:
+ bt_dev_err(hdev, "Unknown device type %d", hdev->dev_type);
+ break;
+ }
+
+ return 0;
+}
+
+/* AMP Controller init stage 2 command sequence */
+static const struct hci_init_stage amp_init2[] = {
+ /* HCI_OP_READ_LOCAL_FEATURES */
+ HCI_INIT(hci_read_local_features_sync),
+};
+
+/* Read Buffer Size (ACL mtu, max pkt, etc.) */
+static int hci_read_buffer_size_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_BUFFER_SIZE,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Read Class of Device */
+static int hci_read_dev_class_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_CLASS_OF_DEV,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Read Local Name */
+static int hci_read_local_name_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_LOCAL_NAME,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Read Voice Setting */
+static int hci_read_voice_setting_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_VOICE_SETTING,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Read Number of Supported IAC */
+static int hci_read_num_supported_iac_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_NUM_SUPPORTED_IAC,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Read Current IAC LAP */
+static int hci_read_current_iac_lap_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_CURRENT_IAC_LAP,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+static int hci_set_event_filter_sync(struct hci_dev *hdev, u8 flt_type,
+ u8 cond_type, bdaddr_t *bdaddr,
+ u8 auto_accept)
+{
+ struct hci_cp_set_event_filter cp;
+
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+ cp.flt_type = flt_type;
+
+ if (flt_type != HCI_FLT_CLEAR_ALL) {
+ cp.cond_type = cond_type;
+ bacpy(&cp.addr_conn_flt.bdaddr, bdaddr);
+ cp.addr_conn_flt.auto_accept = auto_accept;
+ }
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_SET_EVENT_FLT,
+ flt_type == HCI_FLT_CLEAR_ALL ?
+ sizeof(cp.flt_type) : sizeof(cp), &cp,
+ HCI_CMD_TIMEOUT);
+}
+
+static int hci_clear_event_filter_sync(struct hci_dev *hdev)
+{
+ if (!hci_dev_test_flag(hdev, HCI_EVENT_FILTER_CONFIGURED))
+ return 0;
+
+ return hci_set_event_filter_sync(hdev, HCI_FLT_CLEAR_ALL, 0x00,
+ BDADDR_ANY, 0x00);
+}
+
+/* Connection accept timeout ~20 secs */
+static int hci_write_ca_timeout_sync(struct hci_dev *hdev)
+{
+ __le16 param = cpu_to_le16(0x7d00);
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_CA_TIMEOUT,
+ sizeof(param), ¶m, HCI_CMD_TIMEOUT);
+}
+
+/* BR Controller init stage 2 command sequence */
+static const struct hci_init_stage br_init2[] = {
+ /* HCI_OP_READ_BUFFER_SIZE */
+ HCI_INIT(hci_read_buffer_size_sync),
+ /* HCI_OP_READ_CLASS_OF_DEV */
+ HCI_INIT(hci_read_dev_class_sync),
+ /* HCI_OP_READ_LOCAL_NAME */
+ HCI_INIT(hci_read_local_name_sync),
+ /* HCI_OP_READ_VOICE_SETTING */
+ HCI_INIT(hci_read_voice_setting_sync),
+ /* HCI_OP_READ_NUM_SUPPORTED_IAC */
+ HCI_INIT(hci_read_num_supported_iac_sync),
+ /* HCI_OP_READ_CURRENT_IAC_LAP */
+ HCI_INIT(hci_read_current_iac_lap_sync),
+ /* HCI_OP_SET_EVENT_FLT */
+ HCI_INIT(hci_clear_event_filter_sync),
+ /* HCI_OP_WRITE_CA_TIMEOUT */
+ HCI_INIT(hci_write_ca_timeout_sync),
+ {}
+};
+
+static int hci_write_ssp_mode_1_sync(struct hci_dev *hdev)
+{
+ u8 mode = 0x01;
+
+ if (!lmp_ssp_capable(hdev) || !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
+ return 0;
+
+ /* When SSP is available, then the host features page
+ * should also be available as well. However some
+ * controllers list the max_page as 0 as long as SSP
+ * has not been enabled. To achieve proper debugging
+ * output, force the minimum max_page to 1 at least.
+ */
+ hdev->max_page = 0x01;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_SSP_MODE,
+ sizeof(mode), &mode, HCI_CMD_TIMEOUT);
+}
+
+static int hci_write_eir_sync(struct hci_dev *hdev)
+{
+ struct hci_cp_write_eir cp;
+
+ if (!lmp_ssp_capable(hdev) || hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
+ return 0;
+
+ memset(hdev->eir, 0, sizeof(hdev->eir));
+ memset(&cp, 0, sizeof(cp));
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp,
+ HCI_CMD_TIMEOUT);
+}
+
+static int hci_write_inquiry_mode_sync(struct hci_dev *hdev)
+{
+ u8 mode;
+
+ if (!lmp_inq_rssi_capable(hdev) &&
+ !test_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks))
+ return 0;
+
+ /* If Extended Inquiry Result events are supported, then
+ * they are clearly preferred over Inquiry Result with RSSI
+ * events.
+ */
+ mode = lmp_ext_inq_capable(hdev) ? 0x02 : 0x01;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_INQUIRY_MODE,
+ sizeof(mode), &mode, HCI_CMD_TIMEOUT);
+}
+
+static int hci_read_inq_rsp_tx_power_sync(struct hci_dev *hdev)
+{
+ if (!lmp_inq_tx_pwr_capable(hdev))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_INQ_RSP_TX_POWER,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+static int hci_read_local_ext_features_sync(struct hci_dev *hdev, u8 page)
+{
+ struct hci_cp_read_local_ext_features cp;
+
+ if (!lmp_ext_feat_capable(hdev))
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+ cp.page = page;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static int hci_read_local_ext_features_1_sync(struct hci_dev *hdev)
+{
+ return hci_read_local_ext_features_sync(hdev, 0x01);
+}
+
+/* HCI Controller init stage 2 command sequence */
+static const struct hci_init_stage hci_init2[] = {
+ /* HCI_OP_READ_LOCAL_COMMANDS */
+ HCI_INIT(hci_read_local_cmds_sync),
+ /* HCI_OP_WRITE_SSP_MODE */
+ HCI_INIT(hci_write_ssp_mode_1_sync),
+ /* HCI_OP_WRITE_EIR */
+ HCI_INIT(hci_write_eir_sync),
+ /* HCI_OP_WRITE_INQUIRY_MODE */
+ HCI_INIT(hci_write_inquiry_mode_sync),
+ /* HCI_OP_READ_INQ_RSP_TX_POWER */
+ HCI_INIT(hci_read_inq_rsp_tx_power_sync),
+ /* HCI_OP_READ_LOCAL_EXT_FEATURES */
+ HCI_INIT(hci_read_local_ext_features_1_sync),
+ /* HCI_OP_WRITE_AUTH_ENABLE */
+ HCI_INIT(hci_write_auth_enable_sync),
+ {}
+};
+
+/* Read LE Buffer Size */
+static int hci_le_read_buffer_size_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_READ_BUFFER_SIZE,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Read LE Local Supported Features */
+static int hci_le_read_local_features_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_READ_LOCAL_FEATURES,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Read LE Supported States */
+static int hci_le_read_supported_states_sync(struct hci_dev *hdev)
+{
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_READ_SUPPORTED_STATES,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* LE Controller init stage 2 command sequence */
+static const struct hci_init_stage le_init2[] = {
+ /* HCI_OP_LE_READ_BUFFER_SIZE */
+ HCI_INIT(hci_le_read_buffer_size_sync),
+ /* HCI_OP_LE_READ_LOCAL_FEATURES */
+ HCI_INIT(hci_le_read_local_features_sync),
+ /* HCI_OP_LE_READ_SUPPORTED_STATES */
+ HCI_INIT(hci_le_read_supported_states_sync),
+ {}
+};
+
+static int hci_init2_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ bt_dev_dbg(hdev, "");
+
+ if (hdev->dev_type == HCI_AMP)
+ return hci_init_stage_sync(hdev, amp_init2);
+
+ if (lmp_bredr_capable(hdev)) {
+ err = hci_init_stage_sync(hdev, br_init2);
+ if (err)
+ return err;
+ } else {
+ hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
+ }
+
+ if (lmp_le_capable(hdev)) {
+ err = hci_init_stage_sync(hdev, le_init2);
+ if (err)
+ return err;
+ /* LE-only controllers have LE implicitly enabled */
+ if (!lmp_bredr_capable(hdev))
+ hci_dev_set_flag(hdev, HCI_LE_ENABLED);
+ }
+
+ return hci_init_stage_sync(hdev, hci_init2);
+}
+
+static int hci_set_event_mask_sync(struct hci_dev *hdev)
+{
+ /* The second byte is 0xff instead of 0x9f (two reserved bits
+ * disabled) since a Broadcom 1.2 dongle doesn't respond to the
+ * command otherwise.
+ */
+ u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
+
+ /* CSR 1.1 dongles does not accept any bitfield so don't try to set
+ * any event mask for pre 1.2 devices.
+ */
+ if (hdev->hci_ver < BLUETOOTH_VER_1_2)
+ return 0;
+
+ if (lmp_bredr_capable(hdev)) {
+ events[4] |= 0x01; /* Flow Specification Complete */
+
+ /* Don't set Disconnect Complete when suspended as that
+ * would wakeup the host when disconnecting due to
+ * suspend.
+ */
+ if (hdev->suspended)
+ events[0] &= 0xef;
+ } else {
+ /* Use a different default for LE-only devices */
+ memset(events, 0, sizeof(events));
+ events[1] |= 0x20; /* Command Complete */
+ events[1] |= 0x40; /* Command Status */
+ events[1] |= 0x80; /* Hardware Error */
+
+ /* If the controller supports the Disconnect command, enable
+ * the corresponding event. In addition enable packet flow
+ * control related events.
+ */
+ if (hdev->commands[0] & 0x20) {
+ /* Don't set Disconnect Complete when suspended as that
+ * would wakeup the host when disconnecting due to
+ * suspend.
+ */
+ if (!hdev->suspended)
+ events[0] |= 0x10; /* Disconnection Complete */
+ events[2] |= 0x04; /* Number of Completed Packets */
+ events[3] |= 0x02; /* Data Buffer Overflow */
+ }
+
+ /* If the controller supports the Read Remote Version
+ * Information command, enable the corresponding event.
+ */
+ if (hdev->commands[2] & 0x80)
+ events[1] |= 0x08; /* Read Remote Version Information
+ * Complete
+ */
+
+ if (hdev->le_features[0] & HCI_LE_ENCRYPTION) {
+ events[0] |= 0x80; /* Encryption Change */
+ events[5] |= 0x80; /* Encryption Key Refresh Complete */
+ }
+ }
+
+ if (lmp_inq_rssi_capable(hdev) ||
+ test_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks))
+ events[4] |= 0x02; /* Inquiry Result with RSSI */
+
+ if (lmp_ext_feat_capable(hdev))
+ events[4] |= 0x04; /* Read Remote Extended Features Complete */
+
+ if (lmp_esco_capable(hdev)) {
+ events[5] |= 0x08; /* Synchronous Connection Complete */
+ events[5] |= 0x10; /* Synchronous Connection Changed */
+ }
+
+ if (lmp_sniffsubr_capable(hdev))
+ events[5] |= 0x20; /* Sniff Subrating */
+
+ if (lmp_pause_enc_capable(hdev))
+ events[5] |= 0x80; /* Encryption Key Refresh Complete */
+
+ if (lmp_ext_inq_capable(hdev))
+ events[5] |= 0x40; /* Extended Inquiry Result */
+
+ if (lmp_no_flush_capable(hdev))
+ events[7] |= 0x01; /* Enhanced Flush Complete */
+
+ if (lmp_lsto_capable(hdev))
+ events[6] |= 0x80; /* Link Supervision Timeout Changed */
+
+ if (lmp_ssp_capable(hdev)) {
+ events[6] |= 0x01; /* IO Capability Request */
+ events[6] |= 0x02; /* IO Capability Response */
+ events[6] |= 0x04; /* User Confirmation Request */
+ events[6] |= 0x08; /* User Passkey Request */
+ events[6] |= 0x10; /* Remote OOB Data Request */
+ events[6] |= 0x20; /* Simple Pairing Complete */
+ events[7] |= 0x04; /* User Passkey Notification */
+ events[7] |= 0x08; /* Keypress Notification */
+ events[7] |= 0x10; /* Remote Host Supported
+ * Features Notification
+ */
+ }
+
+ if (lmp_le_capable(hdev))
+ events[7] |= 0x20; /* LE Meta-Event */
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_SET_EVENT_MASK,
+ sizeof(events), events, HCI_CMD_TIMEOUT);
+}
+
+static int hci_read_stored_link_key_sync(struct hci_dev *hdev)
+{
+ struct hci_cp_read_stored_link_key cp;
+
+ if (!(hdev->commands[6] & 0x20) ||
+ test_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks))
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+ bacpy(&cp.bdaddr, BDADDR_ANY);
+ cp.read_all = 0x01;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_STORED_LINK_KEY,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static int hci_setup_link_policy_sync(struct hci_dev *hdev)
+{
+ struct hci_cp_write_def_link_policy cp;
+ u16 link_policy = 0;
+
+ if (!(hdev->commands[5] & 0x10))
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+
+ if (lmp_rswitch_capable(hdev))
+ link_policy |= HCI_LP_RSWITCH;
+ if (lmp_hold_capable(hdev))
+ link_policy |= HCI_LP_HOLD;
+ if (lmp_sniff_capable(hdev))
+ link_policy |= HCI_LP_SNIFF;
+ if (lmp_park_capable(hdev))
+ link_policy |= HCI_LP_PARK;
+
+ cp.policy = cpu_to_le16(link_policy);
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_DEF_LINK_POLICY,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static int hci_read_page_scan_activity_sync(struct hci_dev *hdev)
+{
+ if (!(hdev->commands[8] & 0x01))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_PAGE_SCAN_ACTIVITY,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+static int hci_read_def_err_data_reporting_sync(struct hci_dev *hdev)
+{
+ if (!(hdev->commands[18] & 0x04) ||
+ test_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_DEF_ERR_DATA_REPORTING,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+static int hci_read_page_scan_type_sync(struct hci_dev *hdev)
+{
+ /* Some older Broadcom based Bluetooth 1.2 controllers do not
+ * support the Read Page Scan Type command. Check support for
+ * this command in the bit mask of supported commands.
+ */
+ if (!(hdev->commands[13] & 0x01))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_PAGE_SCAN_TYPE,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Read features beyond page 1 if available */
+static int hci_read_local_ext_features_all_sync(struct hci_dev *hdev)
+{
+ u8 page;
+ int err;
+
+ if (!lmp_ext_feat_capable(hdev))
+ return 0;
+
+ for (page = 2; page < HCI_MAX_PAGES && page <= hdev->max_page;
+ page++) {
+ err = hci_read_local_ext_features_sync(hdev, page);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+/* HCI Controller init stage 3 command sequence */
+static const struct hci_init_stage hci_init3[] = {
+ /* HCI_OP_SET_EVENT_MASK */
+ HCI_INIT(hci_set_event_mask_sync),
+ /* HCI_OP_READ_STORED_LINK_KEY */
+ HCI_INIT(hci_read_stored_link_key_sync),
+ /* HCI_OP_WRITE_DEF_LINK_POLICY */
+ HCI_INIT(hci_setup_link_policy_sync),
+ /* HCI_OP_READ_PAGE_SCAN_ACTIVITY */
+ HCI_INIT(hci_read_page_scan_activity_sync),
+ /* HCI_OP_READ_DEF_ERR_DATA_REPORTING */
+ HCI_INIT(hci_read_def_err_data_reporting_sync),
+ /* HCI_OP_READ_PAGE_SCAN_TYPE */
+ HCI_INIT(hci_read_page_scan_type_sync),
+ /* HCI_OP_READ_LOCAL_EXT_FEATURES */
+ HCI_INIT(hci_read_local_ext_features_all_sync),
+ {}
+};
+
+static int hci_le_set_event_mask_sync(struct hci_dev *hdev)
+{
+ u8 events[8];
+
+ if (!lmp_le_capable(hdev))
+ return 0;
+
+ memset(events, 0, sizeof(events));
+
+ if (hdev->le_features[0] & HCI_LE_ENCRYPTION)
+ events[0] |= 0x10; /* LE Long Term Key Request */
+
+ /* If controller supports the Connection Parameters Request
+ * Link Layer Procedure, enable the corresponding event.
+ */
+ if (hdev->le_features[0] & HCI_LE_CONN_PARAM_REQ_PROC)
+ /* LE Remote Connection Parameter Request */
+ events[0] |= 0x20;
+
+ /* If the controller supports the Data Length Extension
+ * feature, enable the corresponding event.
+ */
+ if (hdev->le_features[0] & HCI_LE_DATA_LEN_EXT)
+ events[0] |= 0x40; /* LE Data Length Change */
+
+ /* If the controller supports LL Privacy feature, enable
+ * the corresponding event.
+ */
+ if (hdev->le_features[0] & HCI_LE_LL_PRIVACY)
+ events[1] |= 0x02; /* LE Enhanced Connection Complete */
+
+ /* If the controller supports Extended Scanner Filter
+ * Policies, enable the corresponding event.
+ */
+ if (hdev->le_features[0] & HCI_LE_EXT_SCAN_POLICY)
+ events[1] |= 0x04; /* LE Direct Advertising Report */
+
+ /* If the controller supports Channel Selection Algorithm #2
+ * feature, enable the corresponding event.
+ */
+ if (hdev->le_features[1] & HCI_LE_CHAN_SEL_ALG2)
+ events[2] |= 0x08; /* LE Channel Selection Algorithm */
+
+ /* If the controller supports the LE Set Scan Enable command,
+ * enable the corresponding advertising report event.
+ */
+ if (hdev->commands[26] & 0x08)
+ events[0] |= 0x02; /* LE Advertising Report */
+
+ /* If the controller supports the LE Create Connection
+ * command, enable the corresponding event.
+ */
+ if (hdev->commands[26] & 0x10)
+ events[0] |= 0x01; /* LE Connection Complete */
+
+ /* If the controller supports the LE Connection Update
+ * command, enable the corresponding event.
+ */
+ if (hdev->commands[27] & 0x04)
+ events[0] |= 0x04; /* LE Connection Update Complete */
+
+ /* If the controller supports the LE Read Remote Used Features
+ * command, enable the corresponding event.
+ */
+ if (hdev->commands[27] & 0x20)
+ /* LE Read Remote Used Features Complete */
+ events[0] |= 0x08;
+
+ /* If the controller supports the LE Read Local P-256
+ * Public Key command, enable the corresponding event.
+ */
+ if (hdev->commands[34] & 0x02)
+ /* LE Read Local P-256 Public Key Complete */
+ events[0] |= 0x80;
+
+ /* If the controller supports the LE Generate DHKey
+ * command, enable the corresponding event.
+ */
+ if (hdev->commands[34] & 0x04)
+ events[1] |= 0x01; /* LE Generate DHKey Complete */
+
+ /* If the controller supports the LE Set Default PHY or
+ * LE Set PHY commands, enable the corresponding event.
+ */
+ if (hdev->commands[35] & (0x20 | 0x40))
+ events[1] |= 0x08; /* LE PHY Update Complete */
+
+ /* If the controller supports LE Set Extended Scan Parameters
+ * and LE Set Extended Scan Enable commands, enable the
+ * corresponding event.
+ */
+ if (use_ext_scan(hdev))
+ events[1] |= 0x10; /* LE Extended Advertising Report */
+
+ /* If the controller supports the LE Extended Advertising
+ * command, enable the corresponding event.
+ */
+ if (ext_adv_capable(hdev))
+ events[2] |= 0x02; /* LE Advertising Set Terminated */
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EVENT_MASK,
+ sizeof(events), events, HCI_CMD_TIMEOUT);
+}
+
+/* Read LE Advertising Channel TX Power */
+static int hci_le_read_adv_tx_power_sync(struct hci_dev *hdev)
+{
+ if ((hdev->commands[25] & 0x40) && !ext_adv_capable(hdev)) {
+ /* HCI TS spec forbids mixing of legacy and extended
+ * advertising commands wherein READ_ADV_TX_POWER is
+ * also included. So do not call it if extended adv
+ * is supported otherwise controller will return
+ * COMMAND_DISALLOWED for extended commands.
+ */
+ return __hci_cmd_sync_status(hdev,
+ HCI_OP_LE_READ_ADV_TX_POWER,
+ 0, NULL, HCI_CMD_TIMEOUT);
+ }
+
+ return 0;
+}
+
+/* Read LE Min/Max Tx Power*/
+static int hci_le_read_tx_power_sync(struct hci_dev *hdev)
+{
+ if (!(hdev->commands[38] & 0x80))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_READ_TRANSMIT_POWER,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Read LE Accept List Size */
+static int hci_le_read_accept_list_size_sync(struct hci_dev *hdev)
+{
+ if (!(hdev->commands[26] & 0x40))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_READ_ACCEPT_LIST_SIZE,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Clear LE Accept List */
+static int hci_le_clear_accept_list_sync(struct hci_dev *hdev)
+{
+ if (!(hdev->commands[26] & 0x80))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_CLEAR_ACCEPT_LIST, 0, NULL,
+ HCI_CMD_TIMEOUT);
+}
+
+/* Read LE Resolving List Size */
+static int hci_le_read_resolv_list_size_sync(struct hci_dev *hdev)
+{
+ if (!(hdev->commands[34] & 0x40))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_READ_RESOLV_LIST_SIZE,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Clear LE Resolving List */
+static int hci_le_clear_resolv_list_sync(struct hci_dev *hdev)
+{
+ if (!(hdev->commands[34] & 0x20))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_CLEAR_RESOLV_LIST, 0, NULL,
+ HCI_CMD_TIMEOUT);
+}
+
+/* Set RPA timeout */
+static int hci_le_set_rpa_timeout_sync(struct hci_dev *hdev)
+{
+ __le16 timeout = cpu_to_le16(hdev->rpa_timeout);
+
+ if (!(hdev->commands[35] & 0x04))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_RPA_TIMEOUT,
+ sizeof(timeout), &timeout,
+ HCI_CMD_TIMEOUT);
+}
+
+/* Read LE Maximum Data Length */
+static int hci_le_read_max_data_len_sync(struct hci_dev *hdev)
+{
+ if (!(hdev->le_features[0] & HCI_LE_DATA_LEN_EXT))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_READ_MAX_DATA_LEN, 0, NULL,
+ HCI_CMD_TIMEOUT);
+}
+
+/* Read LE Suggested Default Data Length */
+static int hci_le_read_def_data_len_sync(struct hci_dev *hdev)
+{
+ if (!(hdev->le_features[0] & HCI_LE_DATA_LEN_EXT))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_READ_DEF_DATA_LEN, 0, NULL,
+ HCI_CMD_TIMEOUT);
+}
+
+/* Read LE Number of Supported Advertising Sets */
+static int hci_le_read_num_support_adv_sets_sync(struct hci_dev *hdev)
+{
+ if (!ext_adv_capable(hdev))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev,
+ HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Write LE Host Supported */
+static int hci_set_le_support_sync(struct hci_dev *hdev)
+{
+ struct hci_cp_write_le_host_supported cp;
+
+ /* LE-only devices do not support explicit enablement */
+ if (!lmp_bredr_capable(hdev))
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+
+ if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
+ cp.le = 0x01;
+ cp.simul = 0x00;
+ }
+
+ if (cp.le == lmp_host_le_capable(hdev))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+/* LE Controller init stage 3 command sequence */
+static const struct hci_init_stage le_init3[] = {
+ /* HCI_OP_LE_SET_EVENT_MASK */
+ HCI_INIT(hci_le_set_event_mask_sync),
+ /* HCI_OP_LE_READ_ADV_TX_POWER */
+ HCI_INIT(hci_le_read_adv_tx_power_sync),
+ /* HCI_OP_LE_READ_TRANSMIT_POWER */
+ HCI_INIT(hci_le_read_tx_power_sync),
+ /* HCI_OP_LE_READ_ACCEPT_LIST_SIZE */
+ HCI_INIT(hci_le_read_accept_list_size_sync),
+ /* HCI_OP_LE_CLEAR_ACCEPT_LIST */
+ HCI_INIT(hci_le_clear_accept_list_sync),
+ /* HCI_OP_LE_READ_RESOLV_LIST_SIZE */
+ HCI_INIT(hci_le_read_resolv_list_size_sync),
+ /* HCI_OP_LE_CLEAR_RESOLV_LIST */
+ HCI_INIT(hci_le_clear_resolv_list_sync),
+ /* HCI_OP_LE_SET_RPA_TIMEOUT */
+ HCI_INIT(hci_le_set_rpa_timeout_sync),
+ /* HCI_OP_LE_READ_MAX_DATA_LEN */
+ HCI_INIT(hci_le_read_max_data_len_sync),
+ /* HCI_OP_LE_READ_DEF_DATA_LEN */
+ HCI_INIT(hci_le_read_def_data_len_sync),
+ /* HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS */
+ HCI_INIT(hci_le_read_num_support_adv_sets_sync),
+ /* HCI_OP_WRITE_LE_HOST_SUPPORTED */
+ HCI_INIT(hci_set_le_support_sync),
+ {}
+};
+
+static int hci_init3_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ bt_dev_dbg(hdev, "");
+
+ err = hci_init_stage_sync(hdev, hci_init3);
+ if (err)
+ return err;
+
+ if (lmp_le_capable(hdev))
+ return hci_init_stage_sync(hdev, le_init3);
+
+ return 0;
+}
+
+static int hci_delete_stored_link_key_sync(struct hci_dev *hdev)
+{
+ struct hci_cp_delete_stored_link_key cp;
+
+ /* Some Broadcom based Bluetooth controllers do not support the
+ * Delete Stored Link Key command. They are clearly indicating its
+ * absence in the bit mask of supported commands.
+ *
+ * Check the supported commands and only if the command is marked
+ * as supported send it. If not supported assume that the controller
+ * does not have actual support for stored link keys which makes this
+ * command redundant anyway.
+ *
+ * Some controllers indicate that they support handling deleting
+ * stored link keys, but they don't. The quirk lets a driver
+ * just disable this command.
+ */
+ if (!(hdev->commands[6] & 0x80) ||
+ test_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks))
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+ bacpy(&cp.bdaddr, BDADDR_ANY);
+ cp.delete_all = 0x01;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_DELETE_STORED_LINK_KEY,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static int hci_set_event_mask_page_2_sync(struct hci_dev *hdev)
+{
+ u8 events[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ bool changed = false;
+
+ /* Set event mask page 2 if the HCI command for it is supported */
+ if (!(hdev->commands[22] & 0x04))
+ return 0;
+
+ /* If Connectionless Peripheral Broadcast central role is supported
+ * enable all necessary events for it.
+ */
+ if (lmp_cpb_central_capable(hdev)) {
+ events[1] |= 0x40; /* Triggered Clock Capture */
+ events[1] |= 0x80; /* Synchronization Train Complete */
+ events[2] |= 0x10; /* Peripheral Page Response Timeout */
+ events[2] |= 0x20; /* CPB Channel Map Change */
+ changed = true;
+ }
+
+ /* If Connectionless Peripheral Broadcast peripheral role is supported
+ * enable all necessary events for it.
+ */
+ if (lmp_cpb_peripheral_capable(hdev)) {
+ events[2] |= 0x01; /* Synchronization Train Received */
+ events[2] |= 0x02; /* CPB Receive */
+ events[2] |= 0x04; /* CPB Timeout */
+ events[2] |= 0x08; /* Truncated Page Complete */
+ changed = true;
+ }
+
+ /* Enable Authenticated Payload Timeout Expired event if supported */
+ if (lmp_ping_capable(hdev) || hdev->le_features[0] & HCI_LE_PING) {
+ events[2] |= 0x80;
+ changed = true;
+ }
+
+ /* Some Broadcom based controllers indicate support for Set Event
+ * Mask Page 2 command, but then actually do not support it. Since
+ * the default value is all bits set to zero, the command is only
+ * required if the event mask has to be changed. In case no change
+ * to the event mask is needed, skip this command.
+ */
+ if (!changed)
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_SET_EVENT_MASK_PAGE_2,
+ sizeof(events), events, HCI_CMD_TIMEOUT);
+}
+
+/* Read local codec list if the HCI command is supported */
+static int hci_read_local_codecs_sync(struct hci_dev *hdev)
+{
+ if (!(hdev->commands[29] & 0x20))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_LOCAL_CODECS, 0, NULL,
+ HCI_CMD_TIMEOUT);
+}
+
+/* Read local pairing options if the HCI command is supported */
+static int hci_read_local_pairing_opts_sync(struct hci_dev *hdev)
+{
+ if (!(hdev->commands[41] & 0x08))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_LOCAL_PAIRING_OPTS,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Get MWS transport configuration if the HCI command is supported */
+static int hci_get_mws_transport_config_sync(struct hci_dev *hdev)
+{
+ if (!(hdev->commands[30] & 0x08))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_GET_MWS_TRANSPORT_CONFIG,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Check for Synchronization Train support */
+static int hci_read_sync_train_params_sync(struct hci_dev *hdev)
+{
+ if (!lmp_sync_train_capable(hdev))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_READ_SYNC_TRAIN_PARAMS,
+ 0, NULL, HCI_CMD_TIMEOUT);
+}
+
+/* Enable Secure Connections if supported and configured */
+static int hci_write_sc_support_1_sync(struct hci_dev *hdev)
+{
+ u8 support = 0x01;
+
+ if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED) ||
+ !bredr_sc_enabled(hdev))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_SC_SUPPORT,
+ sizeof(support), &support,
+ HCI_CMD_TIMEOUT);
+}
+
+/* Set erroneous data reporting if supported to the wideband speech
+ * setting value
+ */
+static int hci_set_err_data_report_sync(struct hci_dev *hdev)
+{
+ struct hci_cp_write_def_err_data_reporting cp;
+ bool enabled = hci_dev_test_flag(hdev, HCI_WIDEBAND_SPEECH_ENABLED);
+
+ if (!(hdev->commands[18] & 0x08) ||
+ test_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks))
+ return 0;
+
+ if (enabled == hdev->err_data_reporting)
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+ cp.err_data_reporting = enabled ? ERR_DATA_REPORTING_ENABLED :
+ ERR_DATA_REPORTING_DISABLED;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_DEF_ERR_DATA_REPORTING,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static const struct hci_init_stage hci_init4[] = {
+ /* HCI_OP_DELETE_STORED_LINK_KEY */
+ HCI_INIT(hci_delete_stored_link_key_sync),
+ /* HCI_OP_SET_EVENT_MASK_PAGE_2 */
+ HCI_INIT(hci_set_event_mask_page_2_sync),
+ /* HCI_OP_READ_LOCAL_CODECS */
+ HCI_INIT(hci_read_local_codecs_sync),
+ /* HCI_OP_READ_LOCAL_PAIRING_OPTS */
+ HCI_INIT(hci_read_local_pairing_opts_sync),
+ /* HCI_OP_GET_MWS_TRANSPORT_CONFIG */
+ HCI_INIT(hci_get_mws_transport_config_sync),
+ /* HCI_OP_READ_SYNC_TRAIN_PARAMS */
+ HCI_INIT(hci_read_sync_train_params_sync),
+ /* HCI_OP_WRITE_SC_SUPPORT */
+ HCI_INIT(hci_write_sc_support_1_sync),
+ /* HCI_OP_WRITE_DEF_ERR_DATA_REPORTING */
+ HCI_INIT(hci_set_err_data_report_sync),
+ {}
+};
+
+/* Set Suggested Default Data Length to maximum if supported */
+static int hci_le_set_write_def_data_len_sync(struct hci_dev *hdev)
+{
+ struct hci_cp_le_write_def_data_len cp;
+
+ if (!(hdev->le_features[0] & HCI_LE_DATA_LEN_EXT))
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+ cp.tx_len = cpu_to_le16(hdev->le_max_tx_len);
+ cp.tx_time = cpu_to_le16(hdev->le_max_tx_time);
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+/* Set Default PHY parameters if command is supported */
+static int hci_le_set_default_phy_sync(struct hci_dev *hdev)
+{
+ struct hci_cp_le_set_default_phy cp;
+
+ if (!(hdev->commands[35] & 0x20))
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+ cp.all_phys = 0x00;
+ cp.tx_phys = hdev->le_tx_def_phys;
+ cp.rx_phys = hdev->le_rx_def_phys;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_DEFAULT_PHY,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static const struct hci_init_stage le_init4[] = {
+ /* HCI_OP_LE_WRITE_DEF_DATA_LEN */
+ HCI_INIT(hci_le_set_write_def_data_len_sync),
+ /* HCI_OP_LE_SET_DEFAULT_PHY */
+ HCI_INIT(hci_le_set_default_phy_sync),
+ {}
+};
+
+static int hci_init4_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ bt_dev_dbg(hdev, "");
+
+ err = hci_init_stage_sync(hdev, hci_init4);
+ if (err)
+ return err;
+
+ if (lmp_le_capable(hdev))
+ return hci_init_stage_sync(hdev, le_init4);
+
+ return 0;
+}
+
+static int hci_init_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ err = hci_init1_sync(hdev);
+ if (err < 0)
+ return err;
+
+ if (hci_dev_test_flag(hdev, HCI_SETUP))
+ hci_debugfs_create_basic(hdev);
+
+ err = hci_init2_sync(hdev);
+ if (err < 0)
+ return err;
+
+ /* HCI_PRIMARY covers both single-mode LE, BR/EDR and dual-mode
+ * BR/EDR/LE type controllers. AMP controllers only need the
+ * first two stages of init.
+ */
+ if (hdev->dev_type != HCI_PRIMARY)
+ return 0;
+
+ err = hci_init3_sync(hdev);
+ if (err < 0)
+ return err;
+
+ err = hci_init4_sync(hdev);
+ if (err < 0)
+ return err;
+
+ /* This function is only called when the controller is actually in
+ * configured state. When the controller is marked as unconfigured,
+ * this initialization procedure is not run.
+ *
+ * It means that it is possible that a controller runs through its
+ * setup phase and then discovers missing settings. If that is the
+ * case, then this function will not be called. It then will only
+ * be called during the config phase.
+ *
+ * So only when in setup phase or config phase, create the debugfs
+ * entries and register the SMP channels.
+ */
+ if (!hci_dev_test_flag(hdev, HCI_SETUP) &&
+ !hci_dev_test_flag(hdev, HCI_CONFIG))
+ return 0;
+
+ hci_debugfs_create_common(hdev);
+
+ if (lmp_bredr_capable(hdev))
+ hci_debugfs_create_bredr(hdev);
+
+ if (lmp_le_capable(hdev))
+ hci_debugfs_create_le(hdev);
+
+ return 0;
+}
+
+int hci_dev_open_sync(struct hci_dev *hdev)
+{
+ int ret = 0;
+
+ bt_dev_dbg(hdev, "");
+
+ if (hci_dev_test_flag(hdev, HCI_UNREGISTER)) {
+ ret = -ENODEV;
+ goto done;
+ }
+
+ if (!hci_dev_test_flag(hdev, HCI_SETUP) &&
+ !hci_dev_test_flag(hdev, HCI_CONFIG)) {
+ /* Check for rfkill but allow the HCI setup stage to
+ * proceed (which in itself doesn't cause any RF activity).
+ */
+ if (hci_dev_test_flag(hdev, HCI_RFKILLED)) {
+ ret = -ERFKILL;
+ goto done;
+ }
+
+ /* Check for valid public address or a configured static
+ * random address, but let the HCI setup proceed to
+ * be able to determine if there is a public address
+ * or not.
+ *
+ * In case of user channel usage, it is not important
+ * if a public address or static random address is
+ * available.
+ *
+ * This check is only valid for BR/EDR controllers
+ * since AMP controllers do not have an address.
+ */
+ if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
+ hdev->dev_type == HCI_PRIMARY &&
+ !bacmp(&hdev->bdaddr, BDADDR_ANY) &&
+ !bacmp(&hdev->static_addr, BDADDR_ANY)) {
+ ret = -EADDRNOTAVAIL;
+ goto done;
+ }
+ }
+
+ if (test_bit(HCI_UP, &hdev->flags)) {
+ ret = -EALREADY;
+ goto done;
+ }
+
+ if (hdev->open(hdev)) {
+ ret = -EIO;
+ goto done;
+ }
+
+ set_bit(HCI_RUNNING, &hdev->flags);
+ hci_sock_dev_event(hdev, HCI_DEV_OPEN);
+
+ atomic_set(&hdev->cmd_cnt, 1);
+ set_bit(HCI_INIT, &hdev->flags);
+
+ if (hci_dev_test_flag(hdev, HCI_SETUP) ||
+ test_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks)) {
+ bool invalid_bdaddr;
+
+ hci_sock_dev_event(hdev, HCI_DEV_SETUP);
+
+ if (hdev->setup)
+ ret = hdev->setup(hdev);
+
+ /* The transport driver can set the quirk to mark the
+ * BD_ADDR invalid before creating the HCI device or in
+ * its setup callback.
+ */
+ invalid_bdaddr = test_bit(HCI_QUIRK_INVALID_BDADDR,
+ &hdev->quirks);
+
+ if (ret)
+ goto setup_failed;
+
+ if (test_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks)) {
+ if (!bacmp(&hdev->public_addr, BDADDR_ANY))
+ hci_dev_get_bd_addr_from_property(hdev);
+
+ if (bacmp(&hdev->public_addr, BDADDR_ANY) &&
+ hdev->set_bdaddr) {
+ ret = hdev->set_bdaddr(hdev,
+ &hdev->public_addr);
+
+ /* If setting of the BD_ADDR from the device
+ * property succeeds, then treat the address
+ * as valid even if the invalid BD_ADDR
+ * quirk indicates otherwise.
+ */
+ if (!ret)
+ invalid_bdaddr = false;
+ }
+ }
+
+setup_failed:
+ /* The transport driver can set these quirks before
+ * creating the HCI device or in its setup callback.
+ *
+ * For the invalid BD_ADDR quirk it is possible that
+ * it becomes a valid address if the bootloader does
+ * provide it (see above).
+ *
+ * In case any of them is set, the controller has to
+ * start up as unconfigured.
+ */
+ if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
+ invalid_bdaddr)
+ hci_dev_set_flag(hdev, HCI_UNCONFIGURED);
+
+ /* For an unconfigured controller it is required to
+ * read at least the version information provided by
+ * the Read Local Version Information command.
+ *
+ * If the set_bdaddr driver callback is provided, then
+ * also the original Bluetooth public device address
+ * will be read using the Read BD Address command.
+ */
+ if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
+ ret = hci_unconf_init_sync(hdev);
+ }
+
+ if (hci_dev_test_flag(hdev, HCI_CONFIG)) {
+ /* If public address change is configured, ensure that
+ * the address gets programmed. If the driver does not
+ * support changing the public address, fail the power
+ * on procedure.
+ */
+ if (bacmp(&hdev->public_addr, BDADDR_ANY) &&
+ hdev->set_bdaddr)
+ ret = hdev->set_bdaddr(hdev, &hdev->public_addr);
+ else
+ ret = -EADDRNOTAVAIL;
+ }
+
+ if (!ret) {
+ if (!hci_dev_test_flag(hdev, HCI_UNCONFIGURED) &&
+ !hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) {
+ ret = hci_init_sync(hdev);
+ if (!ret && hdev->post_init)
+ ret = hdev->post_init(hdev);
+ }
+ }
+
+ /* If the HCI Reset command is clearing all diagnostic settings,
+ * then they need to be reprogrammed after the init procedure
+ * completed.
+ */
+ if (test_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks) &&
+ !hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
+ hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) && hdev->set_diag)
+ ret = hdev->set_diag(hdev, true);
+
+ if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) {
+ msft_do_open(hdev);
+ aosp_do_open(hdev);
+ }
+
+ clear_bit(HCI_INIT, &hdev->flags);
+
+ if (!ret) {
+ hci_dev_hold(hdev);
+ hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
+ hci_adv_instances_set_rpa_expired(hdev, true);
+ set_bit(HCI_UP, &hdev->flags);
+ hci_sock_dev_event(hdev, HCI_DEV_UP);
+ hci_leds_update_powered(hdev, true);
+ if (!hci_dev_test_flag(hdev, HCI_SETUP) &&
+ !hci_dev_test_flag(hdev, HCI_CONFIG) &&
+ !hci_dev_test_flag(hdev, HCI_UNCONFIGURED) &&
+ !hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
+ hci_dev_test_flag(hdev, HCI_MGMT) &&
+ hdev->dev_type == HCI_PRIMARY) {
+ ret = hci_powered_update_sync(hdev);
+ }
+ } else {
+ /* Init failed, cleanup */
+ flush_work(&hdev->tx_work);
+
+ /* Since hci_rx_work() is possible to awake new cmd_work
+ * it should be flushed first to avoid unexpected call of
+ * hci_cmd_work()
+ */
+ flush_work(&hdev->rx_work);
+ flush_work(&hdev->cmd_work);
+
+ skb_queue_purge(&hdev->cmd_q);
+ skb_queue_purge(&hdev->rx_q);
+
+ if (hdev->flush)
+ hdev->flush(hdev);
+
+ if (hdev->sent_cmd) {
+ kfree_skb(hdev->sent_cmd);
+ hdev->sent_cmd = NULL;
+ }
+
+ clear_bit(HCI_RUNNING, &hdev->flags);
+ hci_sock_dev_event(hdev, HCI_DEV_CLOSE);
+
+ hdev->close(hdev);
+ hdev->flags &= BIT(HCI_RAW);
+ }
+
+done:
+ return ret;
+}
+
+/* This function requires the caller holds hdev->lock */
+static void hci_pend_le_actions_clear(struct hci_dev *hdev)
+{
+ struct hci_conn_params *p;
+
+ list_for_each_entry(p, &hdev->le_conn_params, list) {
+ if (p->conn) {
+ hci_conn_drop(p->conn);
+ hci_conn_put(p->conn);
+ p->conn = NULL;
+ }
+ list_del_init(&p->action);
+ }
+
+ BT_DBG("All LE pending actions cleared");
+}
+
+int hci_dev_close_sync(struct hci_dev *hdev)
+{
+ bool auto_off;
+ int err = 0;
+
+ bt_dev_dbg(hdev, "");
+
+ cancel_delayed_work(&hdev->power_off);
+ cancel_delayed_work(&hdev->ncmd_timer);
+
+ hci_request_cancel_all(hdev);
+
+ if (!hci_dev_test_flag(hdev, HCI_UNREGISTER) &&
+ !hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
+ test_bit(HCI_UP, &hdev->flags)) {
+ /* Execute vendor specific shutdown routine */
+ if (hdev->shutdown)
+ err = hdev->shutdown(hdev);
+ }
+
+ if (!test_and_clear_bit(HCI_UP, &hdev->flags)) {
+ cancel_delayed_work_sync(&hdev->cmd_timer);
+ return err;
+ }
+
+ hci_leds_update_powered(hdev, false);
+
+ /* Flush RX and TX works */
+ flush_work(&hdev->tx_work);
+ flush_work(&hdev->rx_work);
+
+ if (hdev->discov_timeout > 0) {
+ hdev->discov_timeout = 0;
+ hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
+ hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
+ }
+
+ if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
+ cancel_delayed_work(&hdev->service_cache);
+
+ if (hci_dev_test_flag(hdev, HCI_MGMT)) {
+ struct adv_info *adv_instance;
+
+ cancel_delayed_work_sync(&hdev->rpa_expired);
+
+ list_for_each_entry(adv_instance, &hdev->adv_instances, list)
+ cancel_delayed_work_sync(&adv_instance->rpa_expired_cb);
+ }
+
+ /* Avoid potential lockdep warnings from the *_flush() calls by
+ * ensuring the workqueue is empty up front.
+ */
+ drain_workqueue(hdev->workqueue);
+
+ hci_dev_lock(hdev);
+
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+
+ auto_off = hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF);
+
+ if (!auto_off && hdev->dev_type == HCI_PRIMARY &&
+ !hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
+ hci_dev_test_flag(hdev, HCI_MGMT))
+ __mgmt_power_off(hdev);
+
+ hci_inquiry_cache_flush(hdev);
+ hci_pend_le_actions_clear(hdev);
+ hci_conn_hash_flush(hdev);
+ hci_dev_unlock(hdev);
+
+ smp_unregister(hdev);
+
+ hci_sock_dev_event(hdev, HCI_DEV_DOWN);
+
+ if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) {
+ aosp_do_close(hdev);
+ msft_do_close(hdev);
+ }
+
+ if (hdev->flush)
+ hdev->flush(hdev);
+
+ /* Reset device */
+ skb_queue_purge(&hdev->cmd_q);
+ atomic_set(&hdev->cmd_cnt, 1);
+ if (test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks) &&
+ !auto_off && !hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
+ set_bit(HCI_INIT, &hdev->flags);
+ hci_reset_sync(hdev);
+ clear_bit(HCI_INIT, &hdev->flags);
+ }
+
+ /* flush cmd work */
+ flush_work(&hdev->cmd_work);
+
+ /* Drop queues */
+ skb_queue_purge(&hdev->rx_q);
+ skb_queue_purge(&hdev->cmd_q);
+ skb_queue_purge(&hdev->raw_q);
+
+ /* Drop last sent command */
+ if (hdev->sent_cmd) {
+ cancel_delayed_work_sync(&hdev->cmd_timer);
+ kfree_skb(hdev->sent_cmd);
+ hdev->sent_cmd = NULL;
+ }
+
+ clear_bit(HCI_RUNNING, &hdev->flags);
+ hci_sock_dev_event(hdev, HCI_DEV_CLOSE);
+
+ /* After this point our queues are empty and no tasks are scheduled. */
+ hdev->close(hdev);
+
+ /* Clear flags */
+ hdev->flags &= BIT(HCI_RAW);
+ hci_dev_clear_volatile_flags(hdev);
+
+ /* Controller radio is available but is currently powered down */
+ hdev->amp_status = AMP_STATUS_POWERED_DOWN;
+
+ memset(hdev->eir, 0, sizeof(hdev->eir));
+ memset(hdev->dev_class, 0, sizeof(hdev->dev_class));
+ bacpy(&hdev->random_addr, BDADDR_ANY);
+
+ hci_dev_put(hdev);
+ return err;
+}
+
+/* This function perform power on HCI command sequence as follows:
+ *
+ * If controller is already up (HCI_UP) performs hci_powered_update_sync
+ * sequence otherwise run hci_dev_open_sync which will follow with
+ * hci_powered_update_sync after the init sequence is completed.
+ */
+static int hci_power_on_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ if (test_bit(HCI_UP, &hdev->flags) &&
+ hci_dev_test_flag(hdev, HCI_MGMT) &&
+ hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF)) {
+ cancel_delayed_work(&hdev->power_off);
+ return hci_powered_update_sync(hdev);
+ }
+
+ err = hci_dev_open_sync(hdev);
+ if (err < 0)
+ return err;
+
+ /* During the HCI setup phase, a few error conditions are
+ * ignored and they need to be checked now. If they are still
+ * valid, it is important to return the device back off.
+ */
+ if (hci_dev_test_flag(hdev, HCI_RFKILLED) ||
+ hci_dev_test_flag(hdev, HCI_UNCONFIGURED) ||
+ (hdev->dev_type == HCI_PRIMARY &&
+ !bacmp(&hdev->bdaddr, BDADDR_ANY) &&
+ !bacmp(&hdev->static_addr, BDADDR_ANY))) {
+ hci_dev_clear_flag(hdev, HCI_AUTO_OFF);
+ hci_dev_close_sync(hdev);
+ } else if (hci_dev_test_flag(hdev, HCI_AUTO_OFF)) {
+ queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
+ HCI_AUTO_OFF_TIMEOUT);
+ }
+
+ if (hci_dev_test_and_clear_flag(hdev, HCI_SETUP)) {
+ /* For unconfigured devices, set the HCI_RAW flag
+ * so that userspace can easily identify them.
+ */
+ if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
+ set_bit(HCI_RAW, &hdev->flags);
+
+ /* For fully configured devices, this will send
+ * the Index Added event. For unconfigured devices,
+ * it will send Unconfigued Index Added event.
+ *
+ * Devices with HCI_QUIRK_RAW_DEVICE are ignored
+ * and no event will be send.
+ */
+ mgmt_index_added(hdev);
+ } else if (hci_dev_test_and_clear_flag(hdev, HCI_CONFIG)) {
+ /* When the controller is now configured, then it
+ * is important to clear the HCI_RAW flag.
+ */
+ if (!hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
+ clear_bit(HCI_RAW, &hdev->flags);
+
+ /* Powering on the controller with HCI_CONFIG set only
+ * happens with the transition from unconfigured to
+ * configured. This will send the Index Added event.
+ */
+ mgmt_index_added(hdev);
+ }
+
+ return 0;
+}
+
+static int hci_remote_name_cancel_sync(struct hci_dev *hdev, bdaddr_t *addr)
+{
+ struct hci_cp_remote_name_req_cancel cp;
+
+ memset(&cp, 0, sizeof(cp));
+ bacpy(&cp.bdaddr, addr);
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_REMOTE_NAME_REQ_CANCEL,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+int hci_stop_discovery_sync(struct hci_dev *hdev)
+{
+ struct discovery_state *d = &hdev->discovery;
+ struct inquiry_entry *e;
+ int err;
+
+ bt_dev_dbg(hdev, "state %u", hdev->discovery.state);
+
+ if (d->state == DISCOVERY_FINDING || d->state == DISCOVERY_STOPPING) {
+ if (test_bit(HCI_INQUIRY, &hdev->flags)) {
+ err = __hci_cmd_sync_status(hdev, HCI_OP_INQUIRY_CANCEL,
+ 0, NULL, HCI_CMD_TIMEOUT);
+ if (err)
+ return err;
+ }
+
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
+ cancel_delayed_work(&hdev->le_scan_disable);
+ cancel_delayed_work(&hdev->le_scan_restart);
+
+ err = hci_scan_disable_sync(hdev);
+ if (err)
+ return err;
+ }
+
+ } else {
+ err = hci_scan_disable_sync(hdev);
+ if (err)
+ return err;
+ }
+
+ /* Resume advertising if it was paused */
+ if (use_ll_privacy(hdev))
+ hci_resume_advertising_sync(hdev);
+
+ /* No further actions needed for LE-only discovery */
+ if (d->type == DISCOV_TYPE_LE)
+ return 0;
+
+ if (d->state == DISCOVERY_RESOLVING || d->state == DISCOVERY_STOPPING) {
+ e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
+ NAME_PENDING);
+ if (!e)
+ return 0;
+
+ return hci_remote_name_cancel_sync(hdev, &e->data.bdaddr);
+ }
+
+ return 0;
+}
+
+static int hci_disconnect_phy_link_sync(struct hci_dev *hdev, u16 handle,
+ u8 reason)
+{
+ struct hci_cp_disconn_phy_link cp;
+
+ memset(&cp, 0, sizeof(cp));
+ cp.phy_handle = HCI_PHY_HANDLE(handle);
+ cp.reason = reason;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_DISCONN_PHY_LINK,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static int hci_disconnect_sync(struct hci_dev *hdev, struct hci_conn *conn,
+ u8 reason)
+{
+ struct hci_cp_disconnect cp;
+
+ if (conn->type == AMP_LINK)
+ return hci_disconnect_phy_link_sync(hdev, conn->handle, reason);
+
+ memset(&cp, 0, sizeof(cp));
+ cp.handle = cpu_to_le16(conn->handle);
+ cp.reason = reason;
+
+ /* Wait for HCI_EV_DISCONN_COMPLETE not HCI_EV_CMD_STATUS when not
+ * suspending.
+ */
+ if (!hdev->suspended)
+ return __hci_cmd_sync_status_sk(hdev, HCI_OP_DISCONNECT,
+ sizeof(cp), &cp,
+ HCI_EV_DISCONN_COMPLETE,
+ HCI_CMD_TIMEOUT, NULL);
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_DISCONNECT, sizeof(cp), &cp,
+ HCI_CMD_TIMEOUT);
+}
+
+static int hci_le_connect_cancel_sync(struct hci_dev *hdev,
+ struct hci_conn *conn)
+{
+ if (test_bit(HCI_CONN_SCANNING, &conn->flags))
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_LE_CREATE_CONN_CANCEL,
+ 6, &conn->dst, HCI_CMD_TIMEOUT);
+}
+
+static int hci_connect_cancel_sync(struct hci_dev *hdev, struct hci_conn *conn)
+{
+ if (conn->type == LE_LINK)
+ return hci_le_connect_cancel_sync(hdev, conn);
+
+ if (hdev->hci_ver < BLUETOOTH_VER_1_2)
+ return 0;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_CREATE_CONN_CANCEL,
+ 6, &conn->dst, HCI_CMD_TIMEOUT);
+}
+
+static int hci_reject_sco_sync(struct hci_dev *hdev, struct hci_conn *conn,
+ u8 reason)
+{
+ struct hci_cp_reject_sync_conn_req cp;
+
+ memset(&cp, 0, sizeof(cp));
+ bacpy(&cp.bdaddr, &conn->dst);
+ cp.reason = reason;
+
+ /* SCO rejection has its own limited set of
+ * allowed error values (0x0D-0x0F).
+ */
+ if (reason < 0x0d || reason > 0x0f)
+ cp.reason = HCI_ERROR_REJ_LIMITED_RESOURCES;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_REJECT_SYNC_CONN_REQ,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static int hci_reject_conn_sync(struct hci_dev *hdev, struct hci_conn *conn,
+ u8 reason)
+{
+ struct hci_cp_reject_conn_req cp;
+
+ if (conn->type == SCO_LINK || conn->type == ESCO_LINK)
+ return hci_reject_sco_sync(hdev, conn, reason);
+
+ memset(&cp, 0, sizeof(cp));
+ bacpy(&cp.bdaddr, &conn->dst);
+ cp.reason = reason;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_REJECT_CONN_REQ,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn,
+ u8 reason)
+{
+ switch (conn->state) {
+ case BT_CONNECTED:
+ case BT_CONFIG:
+ return hci_disconnect_sync(hdev, conn, reason);
+ case BT_CONNECT:
+ return hci_connect_cancel_sync(hdev, conn);
+ case BT_CONNECT2:
+ return hci_reject_conn_sync(hdev, conn, reason);
+ default:
+ conn->state = BT_CLOSED;
+ break;
+ }
+
+ return 0;
+}
+
+static int hci_disconnect_all_sync(struct hci_dev *hdev, u8 reason)
+{
+ struct hci_conn *conn, *tmp;
+ int err;
+
+ list_for_each_entry_safe(conn, tmp, &hdev->conn_hash.list, list) {
+ err = hci_abort_conn_sync(hdev, conn, reason);
+ if (err)
+ return err;
+ }
+
+ return err;
+}
+
+/* This function perform power off HCI command sequence as follows:
+ *
+ * Clear Advertising
+ * Stop Discovery
+ * Disconnect all connections
+ * hci_dev_close_sync
+ */
+static int hci_power_off_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ /* If controller is already down there is nothing to do */
+ if (!test_bit(HCI_UP, &hdev->flags))
+ return 0;
+
+ if (test_bit(HCI_ISCAN, &hdev->flags) ||
+ test_bit(HCI_PSCAN, &hdev->flags)) {
+ err = hci_write_scan_enable_sync(hdev, 0x00);
+ if (err)
+ return err;
+ }
+
+ err = hci_clear_adv_sync(hdev, NULL, false);
+ if (err)
+ return err;
+
+ err = hci_stop_discovery_sync(hdev);
+ if (err)
+ return err;
+
+ /* Terminated due to Power Off */
+ err = hci_disconnect_all_sync(hdev, HCI_ERROR_REMOTE_POWER_OFF);
+ if (err)
+ return err;
+
+ return hci_dev_close_sync(hdev);
+}
+
+int hci_set_powered_sync(struct hci_dev *hdev, u8 val)
+{
+ if (val)
+ return hci_power_on_sync(hdev);
+
+ return hci_power_off_sync(hdev);
+}
+
+static int hci_write_iac_sync(struct hci_dev *hdev)
+{
+ struct hci_cp_write_current_iac_lap cp;
+
+ if (!hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
+ return 0;
+
+ memset(&cp, 0, sizeof(cp));
+
+ if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE)) {
+ /* Limited discoverable mode */
+ cp.num_iac = min_t(u8, hdev->num_iac, 2);
+ cp.iac_lap[0] = 0x00; /* LIAC */
+ cp.iac_lap[1] = 0x8b;
+ cp.iac_lap[2] = 0x9e;
+ cp.iac_lap[3] = 0x33; /* GIAC */
+ cp.iac_lap[4] = 0x8b;
+ cp.iac_lap[5] = 0x9e;
+ } else {
+ /* General discoverable mode */
+ cp.num_iac = 1;
+ cp.iac_lap[0] = 0x33; /* GIAC */
+ cp.iac_lap[1] = 0x8b;
+ cp.iac_lap[2] = 0x9e;
+ }
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_CURRENT_IAC_LAP,
+ (cp.num_iac * 3) + 1, &cp,
+ HCI_CMD_TIMEOUT);
+}
+
+int hci_update_discoverable_sync(struct hci_dev *hdev)
+{
+ int err = 0;
+
+ if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
+ err = hci_write_iac_sync(hdev);
+ if (err)
+ return err;
+
+ err = hci_update_scan_sync(hdev);
+ if (err)
+ return err;
+
+ err = hci_update_class_sync(hdev);
+ if (err)
+ return err;
+ }
+
+ /* Advertising instances don't use the global discoverable setting, so
+ * only update AD if advertising was enabled using Set Advertising.
+ */
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
+ err = hci_update_adv_data_sync(hdev, 0x00);
+ if (err)
+ return err;
+
+ /* Discoverable mode affects the local advertising
+ * address in limited privacy mode.
+ */
+ if (hci_dev_test_flag(hdev, HCI_LIMITED_PRIVACY)) {
+ if (ext_adv_capable(hdev))
+ err = hci_start_ext_adv_sync(hdev, 0x00);
+ else
+ err = hci_enable_advertising_sync(hdev);
+ }
+ }
+
+ return err;
+}
+
+static int update_discoverable_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_update_discoverable_sync(hdev);
+}
+
+int hci_update_discoverable(struct hci_dev *hdev)
+{
+ /* Only queue if it would have any effect */
+ if (hdev_is_powered(hdev) &&
+ hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
+ hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
+ hci_dev_test_flag(hdev, HCI_LIMITED_PRIVACY))
+ return hci_cmd_sync_queue(hdev, update_discoverable_sync, NULL,
+ NULL);
+
+ return 0;
+}
+
+int hci_update_connectable_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ err = hci_update_scan_sync(hdev);
+ if (err)
+ return err;
+
+ /* If BR/EDR is not enabled and we disable advertising as a
+ * by-product of disabling connectable, we need to update the
+ * advertising flags.
+ */
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ err = hci_update_adv_data_sync(hdev, hdev->cur_adv_instance);
+
+ /* Update the advertising parameters if necessary */
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
+ !list_empty(&hdev->adv_instances)) {
+ if (ext_adv_capable(hdev))
+ err = hci_start_ext_adv_sync(hdev,
+ hdev->cur_adv_instance);
+ else
+ err = hci_enable_advertising_sync(hdev);
+
+ if (err)
+ return err;
+ }
+
+ return hci_update_passive_scan_sync(hdev);
+}
+
+static int hci_inquiry_sync(struct hci_dev *hdev, u8 length)
+{
+ const u8 giac[3] = { 0x33, 0x8b, 0x9e };
+ const u8 liac[3] = { 0x00, 0x8b, 0x9e };
+ struct hci_cp_inquiry cp;
+
+ bt_dev_dbg(hdev, "");
+
+ if (hci_dev_test_flag(hdev, HCI_INQUIRY))
+ return 0;
+
+ hci_dev_lock(hdev);
+ hci_inquiry_cache_flush(hdev);
+ hci_dev_unlock(hdev);
+
+ memset(&cp, 0, sizeof(cp));
+
+ if (hdev->discovery.limited)
+ memcpy(&cp.lap, liac, sizeof(cp.lap));
+ else
+ memcpy(&cp.lap, giac, sizeof(cp.lap));
+
+ cp.length = length;
+
+ return __hci_cmd_sync_status(hdev, HCI_OP_INQUIRY,
+ sizeof(cp), &cp, HCI_CMD_TIMEOUT);
+}
+
+static int hci_active_scan_sync(struct hci_dev *hdev, uint16_t interval)
+{
+ u8 own_addr_type;
+ /* Accept list is not used for discovery */
+ u8 filter_policy = 0x00;
+ /* Default is to enable duplicates filter */
+ u8 filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
+ int err;
+
+ bt_dev_dbg(hdev, "");
+
+ /* If controller is scanning, it means the passive scanning is
+ * running. Thus, we should temporarily stop it in order to set the
+ * discovery scanning parameters.
+ */
+ err = hci_scan_disable_sync(hdev);
+ if (err) {
+ bt_dev_err(hdev, "Unable to disable scanning: %d", err);
+ return err;
+ }
+
+ cancel_interleave_scan(hdev);
+
+ /* Pause advertising since active scanning disables address resolution
+ * which advertising depend on in order to generate its RPAs.
+ */
+ if (use_ll_privacy(hdev)) {
+ err = hci_pause_advertising_sync(hdev);
+ if (err) {
+ bt_dev_err(hdev, "pause advertising failed: %d", err);
+ goto failed;
+ }
+ }
+
+ /* Disable address resolution while doing active scanning since the
+ * accept list shall not be used and all reports shall reach the host
+ * anyway.
+ */
+ err = hci_le_set_addr_resolution_enable_sync(hdev, 0x00);
+ if (err) {
+ bt_dev_err(hdev, "Unable to disable Address Resolution: %d",
+ err);
+ goto failed;
+ }
+
+ /* All active scans will be done with either a resolvable private
+ * address (when privacy feature has been enabled) or non-resolvable
+ * private address.
+ */
+ err = hci_update_random_address_sync(hdev, true, scan_use_rpa(hdev),
+ &own_addr_type);
+ if (err < 0)
+ own_addr_type = ADDR_LE_DEV_PUBLIC;
+
+ if (hci_is_adv_monitoring(hdev)) {
+ /* Duplicate filter should be disabled when some advertisement
+ * monitor is activated, otherwise AdvMon can only receive one
+ * advertisement for one peer(*) during active scanning, and
+ * might report loss to these peers.
+ *
+ * Note that different controllers have different meanings of
+ * |duplicate|. Some of them consider packets with the same
+ * address as duplicate, and others consider packets with the
+ * same address and the same RSSI as duplicate. Although in the
+ * latter case we don't need to disable duplicate filter, but
+ * it is common to have active scanning for a short period of
+ * time, the power impact should be neglectable.
+ */
+ filter_dup = LE_SCAN_FILTER_DUP_DISABLE;
+ }
+
+ err = hci_start_scan_sync(hdev, LE_SCAN_ACTIVE, interval,
+ hdev->le_scan_window_discovery,
+ own_addr_type, filter_policy, filter_dup);
+ if (!err)
+ return err;
+
+failed:
+ /* Resume advertising if it was paused */
+ if (use_ll_privacy(hdev))
+ hci_resume_advertising_sync(hdev);
+
+ /* Resume passive scanning */
+ hci_update_passive_scan_sync(hdev);
+ return err;
+}
+
+static int hci_start_interleaved_discovery_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ bt_dev_dbg(hdev, "");
+
+ err = hci_active_scan_sync(hdev, hdev->le_scan_int_discovery * 2);
+ if (err)
+ return err;
+
+ return hci_inquiry_sync(hdev, DISCOV_BREDR_INQUIRY_LEN);
+}
+
+int hci_start_discovery_sync(struct hci_dev *hdev)
+{
+ unsigned long timeout;
+ int err;
+
+ bt_dev_dbg(hdev, "type %u", hdev->discovery.type);
+
+ switch (hdev->discovery.type) {
+ case DISCOV_TYPE_BREDR:
+ return hci_inquiry_sync(hdev, DISCOV_BREDR_INQUIRY_LEN);
+ case DISCOV_TYPE_INTERLEAVED:
+ /* When running simultaneous discovery, the LE scanning time
+ * should occupy the whole discovery time sine BR/EDR inquiry
+ * and LE scanning are scheduled by the controller.
+ *
+ * For interleaving discovery in comparison, BR/EDR inquiry
+ * and LE scanning are done sequentially with separate
+ * timeouts.
+ */
+ if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY,
+ &hdev->quirks)) {
+ timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
+ /* During simultaneous discovery, we double LE scan
+ * interval. We must leave some time for the controller
+ * to do BR/EDR inquiry.
+ */
+ err = hci_start_interleaved_discovery_sync(hdev);
+ break;
+ }
+
+ timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
+ err = hci_active_scan_sync(hdev, hdev->le_scan_int_discovery);
+ break;
+ case DISCOV_TYPE_LE:
+ timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
+ err = hci_active_scan_sync(hdev, hdev->le_scan_int_discovery);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (err)
+ return err;
+
+ bt_dev_dbg(hdev, "timeout %u ms", jiffies_to_msecs(timeout));
+
+ /* When service discovery is used and the controller has a
+ * strict duplicate filter, it is important to remember the
+ * start and duration of the scan. This is required for
+ * restarting scanning during the discovery phase.
+ */
+ if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks) &&
+ hdev->discovery.result_filtering) {
+ hdev->discovery.scan_start = jiffies;
+ hdev->discovery.scan_duration = timeout;
+ }
+
+ queue_delayed_work(hdev->req_workqueue, &hdev->le_scan_disable,
+ timeout);
+ return 0;
+}
+
+static void hci_suspend_monitor_sync(struct hci_dev *hdev)
+{
+ switch (hci_get_adv_monitor_offload_ext(hdev)) {
+ case HCI_ADV_MONITOR_EXT_MSFT:
+ msft_suspend_sync(hdev);
+ break;
+ default:
+ return;
+ }
+}
+
+/* This function disables discovery and mark it as paused */
+static int hci_pause_discovery_sync(struct hci_dev *hdev)
+{
+ int old_state = hdev->discovery.state;
+ int err;
+
+ /* If discovery already stopped/stopping/paused there nothing to do */
+ if (old_state == DISCOVERY_STOPPED || old_state == DISCOVERY_STOPPING ||
+ hdev->discovery_paused)
+ return 0;
+
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
+ err = hci_stop_discovery_sync(hdev);
+ if (err)
+ return err;
+
+ hdev->discovery_paused = true;
+ hdev->discovery_old_state = old_state;
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+
+ return 0;
+}
+
+static int hci_update_event_filter_sync(struct hci_dev *hdev)
+{
+ struct bdaddr_list_with_flags *b;
+ u8 scan = SCAN_DISABLED;
+ bool scanning = test_bit(HCI_PSCAN, &hdev->flags);
+ int err;
+
+ if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
+ return 0;
+
+ /* Always clear event filter when starting */
+ hci_clear_event_filter_sync(hdev);
+
+ list_for_each_entry(b, &hdev->accept_list, list) {
+ if (!hci_conn_test_flag(HCI_CONN_FLAG_REMOTE_WAKEUP,
+ b->current_flags))
+ continue;
+
+ bt_dev_dbg(hdev, "Adding event filters for %pMR", &b->bdaddr);
+
+ err = hci_set_event_filter_sync(hdev, HCI_FLT_CONN_SETUP,
+ HCI_CONN_SETUP_ALLOW_BDADDR,
+ &b->bdaddr,
+ HCI_CONN_SETUP_AUTO_ON);
+ if (err)
+ bt_dev_dbg(hdev, "Failed to set event filter for %pMR",
+ &b->bdaddr);
+ else
+ scan = SCAN_PAGE;
+ }
+
+ if (scan && !scanning)
+ hci_write_scan_enable_sync(hdev, scan);
+ else if (!scan && scanning)
+ hci_write_scan_enable_sync(hdev, scan);
+
+ return 0;
+}
+
+/* This function performs the HCI suspend procedures in the follow order:
+ *
+ * Pause discovery (active scanning/inquiry)
+ * Pause Directed Advertising/Advertising
+ * Disconnect all connections
+ * Set suspend_status to BT_SUSPEND_DISCONNECT if hdev cannot wakeup
+ * otherwise:
+ * Update event mask (only set events that are allowed to wake up the host)
+ * Update event filter (with devices marked with HCI_CONN_FLAG_REMOTE_WAKEUP)
+ * Update passive scanning (lower duty cycle)
+ * Set suspend_status to BT_SUSPEND_CONFIGURE_WAKE
+ */
+int hci_suspend_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ /* If marked as suspended there nothing to do */
+ if (hdev->suspended)
+ return 0;
+
+ /* Mark device as suspended */
+ hdev->suspended = true;
+
+ /* Pause discovery if not already stopped */
+ hci_pause_discovery_sync(hdev);
+
+ /* Pause other advertisements */
+ hci_pause_advertising_sync(hdev);
+
+ /* Disable page scan if enabled */
+ if (test_bit(HCI_PSCAN, &hdev->flags))
+ hci_write_scan_enable_sync(hdev, SCAN_DISABLED);
+
+ /* Suspend monitor filters */
+ hci_suspend_monitor_sync(hdev);
+
+ /* Prevent disconnects from causing scanning to be re-enabled */
+ hdev->scanning_paused = true;
+
+ /* Soft disconnect everything (power off) */
+ err = hci_disconnect_all_sync(hdev, HCI_ERROR_REMOTE_POWER_OFF);
+ if (err) {
+ /* Set state to BT_RUNNING so resume doesn't notify */
+ hdev->suspend_state = BT_RUNNING;
+ hci_resume_sync(hdev);
+ return err;
+ }
+
+ /* Only configure accept list if disconnect succeeded and wake
+ * isn't being prevented.
+ */
+ if (!hdev->wakeup || !hdev->wakeup(hdev)) {
+ hdev->suspend_state = BT_SUSPEND_DISCONNECT;
+ return 0;
+ }
+
+ /* Unpause to take care of updating scanning params */
+ hdev->scanning_paused = false;
+
+ /* Update event mask so only the allowed event can wakeup the host */
+ hci_set_event_mask_sync(hdev);
+
+ /* Enable event filter for paired devices */
+ hci_update_event_filter_sync(hdev);
+
+ /* Update LE passive scan if enabled */
+ hci_update_passive_scan_sync(hdev);
+
+ /* Pause scan changes again. */
+ hdev->scanning_paused = true;
+
+ hdev->suspend_state = BT_SUSPEND_CONFIGURE_WAKE;
+
+ return 0;
+}
+
+/* This function resumes discovery */
+static int hci_resume_discovery_sync(struct hci_dev *hdev)
+{
+ int err;
+
+ /* If discovery not paused there nothing to do */
+ if (!hdev->discovery_paused)
+ return 0;
+
+ hdev->discovery_paused = false;
+
+ hci_discovery_set_state(hdev, DISCOVERY_STARTING);
+
+ err = hci_start_discovery_sync(hdev);
+
+ hci_discovery_set_state(hdev, err ? DISCOVERY_STOPPED :
+ DISCOVERY_FINDING);
+
+ return err;
+}
+
+static void hci_resume_monitor_sync(struct hci_dev *hdev)
+{
+ switch (hci_get_adv_monitor_offload_ext(hdev)) {
+ case HCI_ADV_MONITOR_EXT_MSFT:
+ msft_resume_sync(hdev);
+ break;
+ default:
+ return;
+ }
+}
+
+/* This function performs the HCI suspend procedures in the follow order:
+ *
+ * Restore event mask
+ * Clear event filter
+ * Update passive scanning (normal duty cycle)
+ * Resume Directed Advertising/Advertising
+ * Resume discovery (active scanning/inquiry)
+ */
+int hci_resume_sync(struct hci_dev *hdev)
+{
+ /* If not marked as suspended there nothing to do */
+ if (!hdev->suspended)
+ return 0;
+
+ hdev->suspended = false;
+ hdev->scanning_paused = false;
+
+ /* Restore event mask */
+ hci_set_event_mask_sync(hdev);
+
+ /* Clear any event filters and restore scan state */
+ hci_clear_event_filter_sync(hdev);
+ hci_update_scan_sync(hdev);
+
+ /* Reset passive scanning to normal */
+ hci_update_passive_scan_sync(hdev);
+
+ /* Resume monitor filters */
+ hci_resume_monitor_sync(hdev);
+
+ /* Resume other advertisements */
+ hci_resume_advertising_sync(hdev);
+
+ /* Resume discovery */
+ hci_resume_discovery_sync(hdev);
+
+ return 0;
+}
if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
hci_release_dev(hdev);
+ else
+ kfree(hdev);
module_put(THIS_MODULE);
}
return err;
}
+static void l2cap_sock_init_pid(struct sock *sk)
+{
+ struct l2cap_chan *chan = l2cap_pi(sk)->chan;
+
+ /* Only L2CAP_MODE_EXT_FLOWCTL ever need to access the PID in order to
+ * group the channels being requested.
+ */
+ if (chan->mode != L2CAP_MODE_EXT_FLOWCTL)
+ return;
+
+ spin_lock(&sk->sk_peer_lock);
+ sk->sk_peer_pid = get_pid(task_tgid(current));
+ spin_unlock(&sk->sk_peer_lock);
+}
+
static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr,
int alen, int flags)
{
if (chan->psm && bdaddr_type_is_le(chan->src_type) && !chan->mode)
chan->mode = L2CAP_MODE_LE_FLOWCTL;
+ l2cap_sock_init_pid(sk);
+
err = l2cap_chan_connect(chan, la.l2_psm, __le16_to_cpu(la.l2_cid),
&la.l2_bdaddr, la.l2_bdaddr_type);
if (err)
goto done;
}
+ l2cap_sock_init_pid(sk);
+
sk->sk_max_ack_backlog = backlog;
sk->sk_ack_backlog = 0;
#include "mgmt_config.h"
#include "msft.h"
#include "eir.h"
+#include "aosp.h"
#define MGMT_VERSION 1
#define MGMT_REVISION 21
MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
};
-static u8 mgmt_status(u8 hci_status)
+static u8 mgmt_errno_status(int err)
{
- if (hci_status < ARRAY_SIZE(mgmt_status_table))
- return mgmt_status_table[hci_status];
+ switch (err) {
+ case 0:
+ return MGMT_STATUS_SUCCESS;
+ case -EPERM:
+ return MGMT_STATUS_REJECTED;
+ case -EINVAL:
+ return MGMT_STATUS_INVALID_PARAMS;
+ case -EOPNOTSUPP:
+ return MGMT_STATUS_NOT_SUPPORTED;
+ case -EBUSY:
+ return MGMT_STATUS_BUSY;
+ case -ETIMEDOUT:
+ return MGMT_STATUS_AUTH_FAILED;
+ case -ENOMEM:
+ return MGMT_STATUS_NO_RESOURCES;
+ case -EISCONN:
+ return MGMT_STATUS_ALREADY_CONNECTED;
+ case -ENOTCONN:
+ return MGMT_STATUS_DISCONNECTED;
+ }
+
+ return MGMT_STATUS_FAILED;
+}
+
+static u8 mgmt_status(int err)
+{
+ if (err < 0)
+ return mgmt_errno_status(err);
+
+ if (err < ARRAY_SIZE(mgmt_status_table))
+ return mgmt_status_table[err];
return MGMT_STATUS_FAILED;
}
settings |= MGMT_SETTING_SECURE_CONN;
settings |= MGMT_SETTING_PRIVACY;
settings |= MGMT_SETTING_STATIC_ADDRESS;
-
- /* When the experimental feature for LL Privacy support is
- * enabled, then advertising is no longer supported.
- */
- if (!hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
- settings |= MGMT_SETTING_ADVERTISING;
+ settings |= MGMT_SETTING_ADVERTISING;
}
if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev);
}
-static struct mgmt_pending_cmd *pending_find_data(u16 opcode,
- struct hci_dev *hdev,
- const void *data)
-{
- return mgmt_pending_find_data(HCI_CHANNEL_CONTROL, opcode, hdev, data);
-}
-
u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev)
{
struct mgmt_pending_cmd *cmd;
return hci_dev_test_flag(hdev, HCI_CONNECTABLE);
}
+static int service_cache_sync(struct hci_dev *hdev, void *data)
+{
+ hci_update_eir_sync(hdev);
+ hci_update_class_sync(hdev);
+
+ return 0;
+}
+
static void service_cache_off(struct work_struct *work)
{
struct hci_dev *hdev = container_of(work, struct hci_dev,
service_cache.work);
- struct hci_request req;
if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
return;
- hci_req_init(&req, hdev);
-
- hci_dev_lock(hdev);
-
- __hci_req_update_eir(&req);
- __hci_req_update_class(&req);
-
- hci_dev_unlock(hdev);
+ hci_cmd_sync_queue(hdev, service_cache_sync, NULL, NULL);
+}
- hci_req_run(&req, NULL);
+static int rpa_expired_sync(struct hci_dev *hdev, void *data)
+{
+ /* The generation of a new RPA and programming it into the
+ * controller happens in the hci_req_enable_advertising()
+ * function.
+ */
+ if (ext_adv_capable(hdev))
+ return hci_start_ext_adv_sync(hdev, hdev->cur_adv_instance);
+ else
+ return hci_enable_advertising_sync(hdev);
}
static void rpa_expired(struct work_struct *work)
{
struct hci_dev *hdev = container_of(work, struct hci_dev,
rpa_expired.work);
- struct hci_request req;
bt_dev_dbg(hdev, "");
if (!hci_dev_test_flag(hdev, HCI_ADVERTISING))
return;
- /* The generation of a new RPA and programming it into the
- * controller happens in the hci_req_enable_advertising()
- * function.
- */
- hci_req_init(&req, hdev);
- if (ext_adv_capable(hdev))
- __hci_req_start_ext_adv(&req, hdev->cur_adv_instance);
- else
- __hci_req_enable_advertising(&req);
- hci_req_run(&req, NULL);
+ hci_cmd_sync_queue(hdev, rpa_expired_sync, NULL, NULL);
}
static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
sizeof(settings));
}
-static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode)
-{
- bt_dev_dbg(hdev, "status 0x%02x", status);
-
- if (hci_conn_count(hdev) == 0) {
- cancel_delayed_work(&hdev->power_off);
- queue_work(hdev->req_workqueue, &hdev->power_off.work);
- }
-}
-
void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, u8 instance)
{
struct mgmt_ev_advertising_added ev;
}
}
-static int clean_up_hci_state(struct hci_dev *hdev)
+/* This function requires the caller holds hdev->lock */
+static void restart_le_actions(struct hci_dev *hdev)
{
- struct hci_request req;
- struct hci_conn *conn;
- bool discov_stopped;
- int err;
+ struct hci_conn_params *p;
- hci_req_init(&req, hdev);
+ list_for_each_entry(p, &hdev->le_conn_params, list) {
+ /* Needed for AUTO_OFF case where might not "really"
+ * have been powered off.
+ */
+ list_del_init(&p->action);
- if (test_bit(HCI_ISCAN, &hdev->flags) ||
- test_bit(HCI_PSCAN, &hdev->flags)) {
- u8 scan = 0x00;
- hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
+ switch (p->auto_connect) {
+ case HCI_AUTO_CONN_DIRECT:
+ case HCI_AUTO_CONN_ALWAYS:
+ list_add(&p->action, &hdev->pend_le_conns);
+ break;
+ case HCI_AUTO_CONN_REPORT:
+ list_add(&p->action, &hdev->pend_le_reports);
+ break;
+ default:
+ break;
+ }
}
+}
+
+static int new_settings(struct hci_dev *hdev, struct sock *skip)
+{
+ __le32 ev = cpu_to_le32(get_current_settings(hdev));
+
+ return mgmt_limited_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
+ sizeof(ev), HCI_MGMT_SETTING_EVENTS, skip);
+}
- hci_req_clear_adv_instance(hdev, NULL, NULL, 0x00, false);
+static void mgmt_set_powered_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
- if (hci_dev_test_flag(hdev, HCI_LE_ADV))
- __hci_req_disable_advertising(&req);
+ bt_dev_dbg(hdev, "err %d", err);
+
+ if (!err) {
+ if (cp->val) {
+ hci_dev_lock(hdev);
+ restart_le_actions(hdev);
+ hci_update_passive_scan(hdev);
+ hci_dev_unlock(hdev);
+ }
- discov_stopped = hci_req_stop_discovery(&req);
+ send_settings_rsp(cmd->sk, cmd->opcode, hdev);
- list_for_each_entry(conn, &hdev->conn_hash.list, list) {
- /* 0x15 == Terminated due to Power Off */
- __hci_abort_conn(&req, conn, 0x15);
+ /* Only call new_setting for power on as power off is deferred
+ * to hdev->power_off work which does call hci_dev_do_close.
+ */
+ if (cp->val)
+ new_settings(hdev, cmd->sk);
+ } else {
+ mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED,
+ mgmt_status(err));
}
- err = hci_req_run(&req, clean_up_hci_complete);
- if (!err && discov_stopped)
- hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
+ mgmt_pending_free(cmd);
+}
- return err;
+static int set_powered_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+
+ BT_DBG("%s", hdev->name);
+
+ return hci_set_powered_sync(hdev, cp->val);
}
static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
goto failed;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
+ cmd = mgmt_pending_new(sk, MGMT_OP_SET_POWERED, hdev, data, len);
if (!cmd) {
err = -ENOMEM;
goto failed;
}
- if (cp->val) {
- queue_work(hdev->req_workqueue, &hdev->power_on);
- err = 0;
- } else {
- /* Disconnect connections, stop scans, etc */
- err = clean_up_hci_state(hdev);
- if (!err)
- queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
- HCI_POWER_OFF_TIMEOUT);
-
- /* ENODATA means there were no HCI commands queued */
- if (err == -ENODATA) {
- cancel_delayed_work(&hdev->power_off);
- queue_work(hdev->req_workqueue, &hdev->power_off.work);
- err = 0;
- }
- }
+ err = hci_cmd_sync_queue(hdev, set_powered_sync, cmd,
+ mgmt_set_powered_complete);
failed:
hci_dev_unlock(hdev);
return err;
}
-static int new_settings(struct hci_dev *hdev, struct sock *skip)
-{
- __le32 ev = cpu_to_le32(get_current_settings(hdev));
-
- return mgmt_limited_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
- sizeof(ev), HCI_MGMT_SETTING_EVENTS, skip);
-}
-
int mgmt_new_settings(struct hci_dev *hdev)
{
return new_settings(hdev, NULL);
return MGMT_STATUS_SUCCESS;
}
-void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status)
+static void mgmt_set_discoverable_complete(struct hci_dev *hdev, void *data,
+ int err)
{
- struct mgmt_pending_cmd *cmd;
+ struct mgmt_pending_cmd *cmd = data;
- bt_dev_dbg(hdev, "status 0x%02x", status);
+ bt_dev_dbg(hdev, "err %d", err);
hci_dev_lock(hdev);
- cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
- if (!cmd)
- goto unlock;
-
- if (status) {
- u8 mgmt_err = mgmt_status(status);
+ if (err) {
+ u8 mgmt_err = mgmt_status(err);
mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
- goto remove_cmd;
+ goto done;
}
if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
new_settings(hdev, cmd->sk);
-remove_cmd:
- mgmt_pending_remove(cmd);
-
-unlock:
+done:
+ mgmt_pending_free(cmd);
hci_dev_unlock(hdev);
}
+static int set_discoverable_sync(struct hci_dev *hdev, void *data)
+{
+ BT_DBG("%s", hdev->name);
+
+ return hci_update_discoverable_sync(hdev);
+}
+
static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
goto failed;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
+ cmd = mgmt_pending_new(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
if (!cmd) {
err = -ENOMEM;
goto failed;
else
hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
- queue_work(hdev->req_workqueue, &hdev->discoverable_update);
- err = 0;
+ err = hci_cmd_sync_queue(hdev, set_discoverable_sync, cmd,
+ mgmt_set_discoverable_complete);
failed:
hci_dev_unlock(hdev);
return err;
}
-void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status)
+static void mgmt_set_connectable_complete(struct hci_dev *hdev, void *data,
+ int err)
{
- struct mgmt_pending_cmd *cmd;
+ struct mgmt_pending_cmd *cmd = data;
- bt_dev_dbg(hdev, "status 0x%02x", status);
+ bt_dev_dbg(hdev, "err %d", err);
hci_dev_lock(hdev);
- cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
- if (!cmd)
- goto unlock;
-
- if (status) {
- u8 mgmt_err = mgmt_status(status);
+ if (err) {
+ u8 mgmt_err = mgmt_status(err);
mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
- goto remove_cmd;
+ goto done;
}
send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
new_settings(hdev, cmd->sk);
-remove_cmd:
- mgmt_pending_remove(cmd);
-
-unlock:
+done:
+ mgmt_pending_free(cmd);
hci_dev_unlock(hdev);
}
if (changed) {
hci_req_update_scan(hdev);
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
return new_settings(hdev, sk);
}
return 0;
}
+static int set_connectable_sync(struct hci_dev *hdev, void *data)
+{
+ BT_DBG("%s", hdev->name);
+
+ return hci_update_connectable_sync(hdev);
+}
+
static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
goto failed;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
+ cmd = mgmt_pending_new(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
if (!cmd) {
err = -ENOMEM;
goto failed;
hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
}
- queue_work(hdev->req_workqueue, &hdev->connectable_update);
- err = 0;
+ err = hci_cmd_sync_queue(hdev, set_connectable_sync, cmd,
+ mgmt_set_connectable_complete);
failed:
hci_dev_unlock(hdev);
/* In limited privacy mode the change of bondable mode
* may affect the local advertising address.
*/
- if (hdev_is_powered(hdev) &&
- hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
- hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
- hci_dev_test_flag(hdev, HCI_LIMITED_PRIVACY))
- queue_work(hdev->req_workqueue,
- &hdev->discoverable_update);
+ hci_update_discoverable(hdev);
err = new_settings(hdev, sk);
}
return err;
}
+static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct cmd_lookup match = { NULL, hdev };
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+ u8 enable = cp->val;
+ bool changed;
+
+ if (err) {
+ u8 mgmt_err = mgmt_status(err);
+
+ if (enable && hci_dev_test_and_clear_flag(hdev,
+ HCI_SSP_ENABLED)) {
+ hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
+ new_settings(hdev, NULL);
+ }
+
+ mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
+ &mgmt_err);
+ return;
+ }
+
+ if (enable) {
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
+ } else {
+ changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
+
+ if (!changed)
+ changed = hci_dev_test_and_clear_flag(hdev,
+ HCI_HS_ENABLED);
+ else
+ hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
+ }
+
+ mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
+
+ if (changed)
+ new_settings(hdev, match.sk);
+
+ if (match.sk)
+ sock_put(match.sk);
+
+ hci_update_eir_sync(hdev);
+}
+
+static int set_ssp_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+ bool changed = false;
+ int err;
+
+ if (cp->val)
+ changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
+
+ err = hci_write_ssp_mode_sync(hdev, cp->val);
+
+ if (!err && changed)
+ hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
+
+ return err;
+}
+
static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
{
struct mgmt_mode *cp = data;
}
cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
- if (!cmd) {
+ if (!cmd)
err = -ENOMEM;
- goto failed;
- }
-
- if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
- hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
- sizeof(cp->val), &cp->val);
+ else
+ err = hci_cmd_sync_queue(hdev, set_ssp_sync, cmd,
+ set_ssp_complete);
- err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
if (err < 0) {
- mgmt_pending_remove(cmd);
- goto failed;
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
+ MGMT_STATUS_FAILED);
+
+ if (cmd)
+ mgmt_pending_remove(cmd);
}
failed:
return err;
}
-static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+static void set_le_complete(struct hci_dev *hdev, void *data, int err)
{
struct cmd_lookup match = { NULL, hdev };
+ u8 status = mgmt_status(err);
- hci_dev_lock(hdev);
+ bt_dev_dbg(hdev, "err %d", err);
if (status) {
- u8 mgmt_err = mgmt_status(status);
-
mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
- &mgmt_err);
- goto unlock;
+ &status);
+ return;
}
mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
if (match.sk)
sock_put(match.sk);
+}
+
+static int set_le_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+ u8 val = !!cp->val;
+ int err;
+
+ if (!val) {
+ if (hci_dev_test_flag(hdev, HCI_LE_ADV))
+ hci_disable_advertising_sync(hdev);
+
+ if (ext_adv_capable(hdev))
+ hci_remove_ext_adv_instance_sync(hdev, 0, cmd->sk);
+ } else {
+ hci_dev_set_flag(hdev, HCI_LE_ENABLED);
+ }
+
+ err = hci_write_le_host_supported_sync(hdev, val, 0);
/* Make sure the controller has a good default for
* advertising data. Restrict the update to when LE
* has actually been enabled. During power on, the
* update in powered_update_hci will take care of it.
*/
- if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
- struct hci_request req;
- hci_req_init(&req, hdev);
+ if (!err && hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
if (ext_adv_capable(hdev)) {
- int err;
+ int status;
- err = __hci_req_setup_ext_adv_instance(&req, 0x00);
- if (!err)
- __hci_req_update_scan_rsp_data(&req, 0x00);
+ status = hci_setup_ext_adv_instance_sync(hdev, 0x00);
+ if (!status)
+ hci_update_scan_rsp_data_sync(hdev, 0x00);
} else {
- __hci_req_update_adv_data(&req, 0x00);
- __hci_req_update_scan_rsp_data(&req, 0x00);
+ hci_update_adv_data_sync(hdev, 0x00);
+ hci_update_scan_rsp_data_sync(hdev, 0x00);
}
- hci_req_run(&req, NULL);
- hci_update_background_scan(hdev);
+
+ hci_update_passive_scan(hdev);
}
-unlock:
- hci_dev_unlock(hdev);
+ return err;
}
static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
{
struct mgmt_mode *cp = data;
- struct hci_cp_write_le_host_supported hci_cp;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
int err;
u8 val, enabled;
}
cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
- if (!cmd) {
+ if (!cmd)
err = -ENOMEM;
- goto unlock;
- }
-
- hci_req_init(&req, hdev);
-
- memset(&hci_cp, 0, sizeof(hci_cp));
+ else
+ err = hci_cmd_sync_queue(hdev, set_le_sync, cmd,
+ set_le_complete);
- if (val) {
- hci_cp.le = val;
- hci_cp.simul = 0x00;
- } else {
- if (hci_dev_test_flag(hdev, HCI_LE_ADV))
- __hci_req_disable_advertising(&req);
+ if (err < 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
+ MGMT_STATUS_FAILED);
- if (ext_adv_capable(hdev))
- __hci_req_clear_ext_adv_sets(&req);
+ if (cmd)
+ mgmt_pending_remove(cmd);
}
- hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
- &hci_cp);
-
- err = hci_req_run(&req, le_enable_complete);
- if (err < 0)
- mgmt_pending_remove(cmd);
-
unlock:
hci_dev_unlock(hdev);
return err;
return 16;
}
-static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
+static void mgmt_class_complete(struct hci_dev *hdev, void *data, int err)
{
- struct mgmt_pending_cmd *cmd;
+ struct mgmt_pending_cmd *cmd = data;
- hci_dev_lock(hdev);
-
- cmd = pending_find(mgmt_op, hdev);
- if (!cmd)
- goto unlock;
+ bt_dev_dbg(hdev, "err %d", err);
mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
- mgmt_status(status), hdev->dev_class, 3);
-
- mgmt_pending_remove(cmd);
+ mgmt_status(err), hdev->dev_class, 3);
-unlock:
- hci_dev_unlock(hdev);
+ mgmt_pending_free(cmd);
}
-static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+static int add_uuid_sync(struct hci_dev *hdev, void *data)
{
- bt_dev_dbg(hdev, "status 0x%02x", status);
+ int err;
+
+ err = hci_update_class_sync(hdev);
+ if (err)
+ return err;
- mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
+ return hci_update_eir_sync(hdev);
}
static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
{
struct mgmt_cp_add_uuid *cp = data;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
struct bt_uuid *uuid;
int err;
list_add_tail(&uuid->list, &hdev->uuids);
- hci_req_init(&req, hdev);
-
- __hci_req_update_class(&req);
- __hci_req_update_eir(&req);
-
- err = hci_req_run(&req, add_uuid_complete);
- if (err < 0) {
- if (err != -ENODATA)
- goto failed;
-
- err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
- hdev->dev_class, 3);
- goto failed;
- }
-
- cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
+ cmd = mgmt_pending_new(sk, MGMT_OP_ADD_UUID, hdev, data, len);
if (!cmd) {
err = -ENOMEM;
goto failed;
}
- err = 0;
+ err = hci_cmd_sync_queue(hdev, add_uuid_sync, cmd, mgmt_class_complete);
+ if (err < 0) {
+ mgmt_pending_free(cmd);
+ goto failed;
+ }
failed:
hci_dev_unlock(hdev);
return false;
}
-static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+static int remove_uuid_sync(struct hci_dev *hdev, void *data)
{
- bt_dev_dbg(hdev, "status 0x%02x", status);
+ int err;
- mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
+ err = hci_update_class_sync(hdev);
+ if (err)
+ return err;
+
+ return hci_update_eir_sync(hdev);
}
static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
struct mgmt_pending_cmd *cmd;
struct bt_uuid *match, *tmp;
u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
- struct hci_request req;
int err, found;
bt_dev_dbg(hdev, "sock %p", sk);
}
update_class:
- hci_req_init(&req, hdev);
-
- __hci_req_update_class(&req);
- __hci_req_update_eir(&req);
-
- err = hci_req_run(&req, remove_uuid_complete);
- if (err < 0) {
- if (err != -ENODATA)
- goto unlock;
-
- err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
- hdev->dev_class, 3);
- goto unlock;
- }
-
- cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
+ cmd = mgmt_pending_new(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
if (!cmd) {
err = -ENOMEM;
goto unlock;
}
- err = 0;
+ err = hci_cmd_sync_queue(hdev, remove_uuid_sync, cmd,
+ mgmt_class_complete);
+ if (err < 0)
+ mgmt_pending_free(cmd);
unlock:
hci_dev_unlock(hdev);
return err;
}
-static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+static int set_class_sync(struct hci_dev *hdev, void *data)
{
- bt_dev_dbg(hdev, "status 0x%02x", status);
+ int err = 0;
+
+ if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
+ cancel_delayed_work_sync(&hdev->service_cache);
+ err = hci_update_eir_sync(hdev);
+ }
+
+ if (err)
+ return err;
- mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
+ return hci_update_class_sync(hdev);
}
static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
{
struct mgmt_cp_set_dev_class *cp = data;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
int err;
bt_dev_dbg(hdev, "sock %p", sk);
goto unlock;
}
- hci_req_init(&req, hdev);
-
- if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
- hci_dev_unlock(hdev);
- cancel_delayed_work_sync(&hdev->service_cache);
- hci_dev_lock(hdev);
- __hci_req_update_eir(&req);
- }
-
- __hci_req_update_class(&req);
-
- err = hci_req_run(&req, set_class_complete);
- if (err < 0) {
- if (err != -ENODATA)
- goto unlock;
-
- err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
- hdev->dev_class, 3);
- goto unlock;
- }
-
- cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
+ cmd = mgmt_pending_new(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
if (!cmd) {
err = -ENOMEM;
goto unlock;
}
- err = 0;
+ err = hci_cmd_sync_queue(hdev, set_class_sync, cmd,
+ mgmt_class_complete);
+ if (err < 0)
+ mgmt_pending_free(cmd);
unlock:
hci_dev_unlock(hdev);
HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
}
-static void adv_expire(struct hci_dev *hdev, u32 flags)
+static int adv_expire_sync(struct hci_dev *hdev, u32 flags)
{
struct adv_info *adv_instance;
- struct hci_request req;
- int err;
adv_instance = hci_find_adv_instance(hdev, hdev->cur_adv_instance);
if (!adv_instance)
- return;
+ return 0;
/* stop if current instance doesn't need to be changed */
if (!(adv_instance->flags & flags))
- return;
+ return 0;
cancel_adv_timeout(hdev);
adv_instance = hci_get_next_instance(hdev, adv_instance->instance);
if (!adv_instance)
- return;
+ return 0;
- hci_req_init(&req, hdev);
- err = __hci_req_schedule_adv_instance(&req, adv_instance->instance,
- true);
- if (err)
- return;
+ hci_schedule_adv_instance_sync(hdev, adv_instance->instance, true);
- hci_req_run(&req, NULL);
+ return 0;
}
-static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+static int name_changed_sync(struct hci_dev *hdev, void *data)
{
- struct mgmt_cp_set_local_name *cp;
- struct mgmt_pending_cmd *cmd;
-
- bt_dev_dbg(hdev, "status 0x%02x", status);
-
- hci_dev_lock(hdev);
+ return adv_expire_sync(hdev, MGMT_ADV_FLAG_LOCAL_NAME);
+}
- cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
- if (!cmd)
- goto unlock;
+static void set_name_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_set_local_name *cp = cmd->param;
+ u8 status = mgmt_status(err);
- cp = cmd->param;
+ bt_dev_dbg(hdev, "err %d", err);
if (status) {
mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
- mgmt_status(status));
+ status);
} else {
mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
cp, sizeof(*cp));
if (hci_dev_test_flag(hdev, HCI_LE_ADV))
- adv_expire(hdev, MGMT_ADV_FLAG_LOCAL_NAME);
+ hci_cmd_sync_queue(hdev, name_changed_sync, NULL, NULL);
}
mgmt_pending_remove(cmd);
+}
-unlock:
- hci_dev_unlock(hdev);
+static int set_name_sync(struct hci_dev *hdev, void *data)
+{
+ if (lmp_bredr_capable(hdev)) {
+ hci_update_name_sync(hdev);
+ hci_update_eir_sync(hdev);
+ }
+
+ /* The name is stored in the scan response data and so
+ * no need to update the advertising data here.
+ */
+ if (lmp_le_capable(hdev) && hci_dev_test_flag(hdev, HCI_ADVERTISING))
+ hci_update_scan_rsp_data_sync(hdev, hdev->cur_adv_instance);
+
+ return 0;
}
static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
{
struct mgmt_cp_set_local_name *cp = data;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
int err;
bt_dev_dbg(hdev, "sock %p", sk);
}
cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
- if (!cmd) {
+ if (!cmd)
err = -ENOMEM;
- goto failed;
- }
+ else
+ err = hci_cmd_sync_queue(hdev, set_name_sync, cmd,
+ set_name_complete);
- memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
+ if (err < 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
+ MGMT_STATUS_FAILED);
- hci_req_init(&req, hdev);
+ if (cmd)
+ mgmt_pending_remove(cmd);
- if (lmp_bredr_capable(hdev)) {
- __hci_req_update_name(&req);
- __hci_req_update_eir(&req);
+ goto failed;
}
- /* The name is stored in the scan response data and so
- * no need to update the advertising data here.
- */
- if (lmp_le_capable(hdev) && hci_dev_test_flag(hdev, HCI_ADVERTISING))
- __hci_req_update_scan_rsp_data(&req, hdev->cur_adv_instance);
-
- err = hci_req_run(&req, set_name_complete);
- if (err < 0)
- mgmt_pending_remove(cmd);
+ memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
failed:
hci_dev_unlock(hdev);
return err;
}
+static int appearance_changed_sync(struct hci_dev *hdev, void *data)
+{
+ return adv_expire_sync(hdev, MGMT_ADV_FLAG_APPEARANCE);
+}
+
static int set_appearance(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
hdev->appearance = appearance;
if (hci_dev_test_flag(hdev, HCI_LE_ADV))
- adv_expire(hdev, MGMT_ADV_FLAG_APPEARANCE);
+ hci_cmd_sync_queue(hdev, appearance_changed_sync, NULL,
+ NULL);
ext_info_changed(hdev, sk);
}
sizeof(ev), skip);
}
-static void set_default_phy_complete(struct hci_dev *hdev, u8 status,
- u16 opcode, struct sk_buff *skb)
+static void set_default_phy_complete(struct hci_dev *hdev, void *data, int err)
{
- struct mgmt_pending_cmd *cmd;
+ struct mgmt_pending_cmd *cmd = data;
+ struct sk_buff *skb = cmd->skb;
+ u8 status = mgmt_status(err);
- bt_dev_dbg(hdev, "status 0x%02x", status);
-
- hci_dev_lock(hdev);
+ if (!status) {
+ if (!skb)
+ status = MGMT_STATUS_FAILED;
+ else if (IS_ERR(skb))
+ status = mgmt_status(PTR_ERR(skb));
+ else
+ status = mgmt_status(skb->data[0]);
+ }
- cmd = pending_find(MGMT_OP_SET_PHY_CONFIGURATION, hdev);
- if (!cmd)
- goto unlock;
+ bt_dev_dbg(hdev, "status %d", status);
if (status) {
mgmt_cmd_status(cmd->sk, hdev->id,
- MGMT_OP_SET_PHY_CONFIGURATION,
- mgmt_status(status));
+ MGMT_OP_SET_PHY_CONFIGURATION, status);
} else {
mgmt_cmd_complete(cmd->sk, hdev->id,
MGMT_OP_SET_PHY_CONFIGURATION, 0,
mgmt_phy_configuration_changed(hdev, cmd->sk);
}
+ if (skb && !IS_ERR(skb))
+ kfree_skb(skb);
+
mgmt_pending_remove(cmd);
+}
-unlock:
- hci_dev_unlock(hdev);
+static int set_default_phy_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_set_phy_configuration *cp = cmd->param;
+ struct hci_cp_le_set_default_phy cp_phy;
+ u32 selected_phys = __le32_to_cpu(cp->selected_phys);
+
+ memset(&cp_phy, 0, sizeof(cp_phy));
+
+ if (!(selected_phys & MGMT_PHY_LE_TX_MASK))
+ cp_phy.all_phys |= 0x01;
+
+ if (!(selected_phys & MGMT_PHY_LE_RX_MASK))
+ cp_phy.all_phys |= 0x02;
+
+ if (selected_phys & MGMT_PHY_LE_1M_TX)
+ cp_phy.tx_phys |= HCI_LE_SET_PHY_1M;
+
+ if (selected_phys & MGMT_PHY_LE_2M_TX)
+ cp_phy.tx_phys |= HCI_LE_SET_PHY_2M;
+
+ if (selected_phys & MGMT_PHY_LE_CODED_TX)
+ cp_phy.tx_phys |= HCI_LE_SET_PHY_CODED;
+
+ if (selected_phys & MGMT_PHY_LE_1M_RX)
+ cp_phy.rx_phys |= HCI_LE_SET_PHY_1M;
+
+ if (selected_phys & MGMT_PHY_LE_2M_RX)
+ cp_phy.rx_phys |= HCI_LE_SET_PHY_2M;
+
+ if (selected_phys & MGMT_PHY_LE_CODED_RX)
+ cp_phy.rx_phys |= HCI_LE_SET_PHY_CODED;
+
+ cmd->skb = __hci_cmd_sync(hdev, HCI_OP_LE_SET_DEFAULT_PHY,
+ sizeof(cp_phy), &cp_phy, HCI_CMD_TIMEOUT);
+
+ return 0;
}
static int set_phy_configuration(struct sock *sk, struct hci_dev *hdev,
void *data, u16 len)
{
struct mgmt_cp_set_phy_configuration *cp = data;
- struct hci_cp_le_set_default_phy cp_phy;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
u32 selected_phys, configurable_phys, supported_phys, unconfigure_phys;
u16 pkt_type = (HCI_DH1 | HCI_DM1);
bool changed = false;
cmd = mgmt_pending_add(sk, MGMT_OP_SET_PHY_CONFIGURATION, hdev, data,
len);
- if (!cmd) {
+ if (!cmd)
err = -ENOMEM;
- goto unlock;
- }
-
- hci_req_init(&req, hdev);
-
- memset(&cp_phy, 0, sizeof(cp_phy));
-
- if (!(selected_phys & MGMT_PHY_LE_TX_MASK))
- cp_phy.all_phys |= 0x01;
-
- if (!(selected_phys & MGMT_PHY_LE_RX_MASK))
- cp_phy.all_phys |= 0x02;
-
- if (selected_phys & MGMT_PHY_LE_1M_TX)
- cp_phy.tx_phys |= HCI_LE_SET_PHY_1M;
-
- if (selected_phys & MGMT_PHY_LE_2M_TX)
- cp_phy.tx_phys |= HCI_LE_SET_PHY_2M;
-
- if (selected_phys & MGMT_PHY_LE_CODED_TX)
- cp_phy.tx_phys |= HCI_LE_SET_PHY_CODED;
-
- if (selected_phys & MGMT_PHY_LE_1M_RX)
- cp_phy.rx_phys |= HCI_LE_SET_PHY_1M;
-
- if (selected_phys & MGMT_PHY_LE_2M_RX)
- cp_phy.rx_phys |= HCI_LE_SET_PHY_2M;
-
- if (selected_phys & MGMT_PHY_LE_CODED_RX)
- cp_phy.rx_phys |= HCI_LE_SET_PHY_CODED;
+ else
+ err = hci_cmd_sync_queue(hdev, set_default_phy_sync, cmd,
+ set_default_phy_complete);
- hci_req_add(&req, HCI_OP_LE_SET_DEFAULT_PHY, sizeof(cp_phy), &cp_phy);
+ if (err < 0) {
+ err = mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_PHY_CONFIGURATION,
+ MGMT_STATUS_FAILED);
- err = hci_req_run_skb(&req, set_default_phy_complete);
- if (err < 0)
- mgmt_pending_remove(cmd);
+ if (cmd)
+ mgmt_pending_remove(cmd);
+ }
unlock:
hci_dev_unlock(hdev);
idx++;
}
- if (hdev && use_ll_privacy(hdev)) {
+ if (hdev && ll_privacy_capable(hdev)) {
if (hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
flags = BIT(0) | BIT(1);
else
idx++;
}
- if (hdev && hdev->set_quality_report) {
+ if (hdev && (aosp_has_quality_report(hdev) ||
+ hdev->set_quality_report)) {
if (hci_dev_test_flag(hdev, HCI_QUALITY_REPORT))
flags = BIT(0);
else
}
#endif
-static int exp_quality_report_feature_changed(bool enabled, struct sock *skip)
+static int exp_quality_report_feature_changed(bool enabled,
+ struct hci_dev *hdev,
+ struct sock *skip)
{
struct mgmt_ev_exp_feature_changed ev;
memcpy(ev.uuid, quality_report_uuid, 16);
ev.flags = cpu_to_le32(enabled ? BIT(0) : 0);
- return mgmt_limited_event(MGMT_EV_EXP_FEATURE_CHANGED, NULL,
+ return mgmt_limited_event(MGMT_EV_EXP_FEATURE_CHANGED, hdev,
&ev, sizeof(ev),
HCI_MGMT_EXP_FEATURE_EVENTS, skip);
}
val = !!cp->param[0];
changed = (val != hci_dev_test_flag(hdev, HCI_QUALITY_REPORT));
- if (!hdev->set_quality_report) {
+ if (!aosp_has_quality_report(hdev) && !hdev->set_quality_report) {
err = mgmt_cmd_status(sk, hdev->id,
MGMT_OP_SET_EXP_FEATURE,
MGMT_STATUS_NOT_SUPPORTED);
}
if (changed) {
- err = hdev->set_quality_report(hdev, val);
+ if (hdev->set_quality_report)
+ err = hdev->set_quality_report(hdev, val);
+ else
+ err = aosp_set_quality_report(hdev, val);
+
if (err) {
err = mgmt_cmd_status(sk, hdev->id,
MGMT_OP_SET_EXP_FEATURE,
MGMT_STATUS_FAILED);
goto unlock_quality_report;
}
+
if (val)
hci_dev_set_flag(hdev, HCI_QUALITY_REPORT);
else
memcpy(rp.uuid, quality_report_uuid, 16);
rp.flags = cpu_to_le32(val ? BIT(0) : 0);
hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS);
- err = mgmt_cmd_complete(sk, hdev->id,
- MGMT_OP_SET_EXP_FEATURE, 0,
+
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_EXP_FEATURE, 0,
&rp, sizeof(rp));
if (changed)
- exp_quality_report_feature_changed(val, sk);
+ exp_quality_report_feature_changed(val, hdev, sk);
unlock_quality_report:
hci_req_sync_unlock(hdev);
return err;
}
-static int exp_offload_codec_feature_changed(bool enabled, struct sock *skip)
+static int exp_offload_codec_feature_changed(bool enabled, struct hci_dev *hdev,
+ struct sock *skip)
{
struct mgmt_ev_exp_feature_changed ev;
memcpy(ev.uuid, offload_codecs_uuid, 16);
ev.flags = cpu_to_le32(enabled ? BIT(0) : 0);
- return mgmt_limited_event(MGMT_EV_EXP_FEATURE_CHANGED, NULL,
+ return mgmt_limited_event(MGMT_EV_EXP_FEATURE_CHANGED, hdev,
&ev, sizeof(ev),
HCI_MGMT_EXP_FEATURE_EVENTS, skip);
}
&rp, sizeof(rp));
if (changed)
- exp_offload_codec_feature_changed(val, sk);
+ exp_offload_codec_feature_changed(val, hdev, sk);
return err;
}
hdev->adv_monitors_cnt++;
if (monitor->state == ADV_MONITOR_STATE_NOT_REGISTERED)
monitor->state = ADV_MONITOR_STATE_REGISTERED;
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
}
err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
rp.monitor_handle = cp->monitor_handle;
if (!status)
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
mgmt_status(status), &rp, sizeof(rp));
status);
}
-static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
- u16 opcode, struct sk_buff *skb)
+static void read_local_oob_data_complete(struct hci_dev *hdev, void *data, int err)
{
struct mgmt_rp_read_local_oob_data mgmt_rp;
size_t rp_size = sizeof(mgmt_rp);
- struct mgmt_pending_cmd *cmd;
+ struct mgmt_pending_cmd *cmd = data;
+ struct sk_buff *skb = cmd->skb;
+ u8 status = mgmt_status(err);
- bt_dev_dbg(hdev, "status %u", status);
+ if (!status) {
+ if (!skb)
+ status = MGMT_STATUS_FAILED;
+ else if (IS_ERR(skb))
+ status = mgmt_status(PTR_ERR(skb));
+ else
+ status = mgmt_status(skb->data[0]);
+ }
- cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
- if (!cmd)
- return;
+ bt_dev_dbg(hdev, "status %d", status);
- if (status || !skb) {
- mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
- status ? mgmt_status(status) : MGMT_STATUS_FAILED);
+ if (status) {
+ mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, status);
goto remove;
}
memset(&mgmt_rp, 0, sizeof(mgmt_rp));
- if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
+ if (!bredr_sc_enabled(hdev)) {
struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
if (skb->len < sizeof(*rp)) {
MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
remove:
- mgmt_pending_remove(cmd);
+ if (skb && !IS_ERR(skb))
+ kfree_skb(skb);
+
+ mgmt_pending_free(cmd);
+}
+
+static int read_local_oob_data_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+
+ if (bredr_sc_enabled(hdev))
+ cmd->skb = hci_read_local_oob_data_sync(hdev, true, cmd->sk);
+ else
+ cmd->skb = hci_read_local_oob_data_sync(hdev, false, cmd->sk);
+
+ if (IS_ERR(cmd->skb))
+ return PTR_ERR(cmd->skb);
+ else
+ return 0;
}
static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
void *data, u16 data_len)
{
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
int err;
bt_dev_dbg(hdev, "sock %p", sk);
goto unlock;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
- if (!cmd) {
+ cmd = mgmt_pending_new(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
+ if (!cmd)
err = -ENOMEM;
- goto unlock;
- }
-
- hci_req_init(&req, hdev);
-
- if (bredr_sc_enabled(hdev))
- hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
else
- hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
+ err = hci_cmd_sync_queue(hdev, read_local_oob_data_sync, cmd,
+ read_local_oob_data_complete);
- err = hci_req_run_skb(&req, read_local_oob_data_complete);
- if (err < 0)
- mgmt_pending_remove(cmd);
+ if (err < 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
+ MGMT_STATUS_FAILED);
-unlock:
+ if (cmd)
+ mgmt_pending_free(cmd);
+ }
+
+unlock:
hci_dev_unlock(hdev);
return err;
}
}
hci_dev_unlock(hdev);
-
- /* Handle suspend notifier */
- if (test_and_clear_bit(SUSPEND_UNPAUSE_DISCOVERY,
- hdev->suspend_tasks)) {
- bt_dev_dbg(hdev, "Unpaused discovery");
- wake_up(&hdev->suspend_wait_q);
- }
}
static bool discovery_type_is_valid(struct hci_dev *hdev, uint8_t type,
return true;
}
+static void start_discovery_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(err),
+ cmd->param, 1);
+ mgmt_pending_free(cmd);
+
+ hci_discovery_set_state(hdev, err ? DISCOVERY_STOPPED:
+ DISCOVERY_FINDING);
+}
+
+static int start_discovery_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_start_discovery_sync(hdev);
+}
+
static int start_discovery_internal(struct sock *sk, struct hci_dev *hdev,
u16 op, void *data, u16 len)
{
else
hdev->discovery.limited = false;
- cmd = mgmt_pending_add(sk, op, hdev, data, len);
+ cmd = mgmt_pending_new(sk, op, hdev, data, len);
if (!cmd) {
err = -ENOMEM;
goto failed;
}
- cmd->cmd_complete = generic_cmd_complete;
+ err = hci_cmd_sync_queue(hdev, start_discovery_sync, cmd,
+ start_discovery_complete);
+ if (err < 0) {
+ mgmt_pending_free(cmd);
+ goto failed;
+ }
hci_discovery_set_state(hdev, DISCOVERY_STARTING);
- queue_work(hdev->req_workqueue, &hdev->discov_update);
- err = 0;
failed:
hci_dev_unlock(hdev);
data, len);
}
-static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
- u8 status)
-{
- return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
- cmd->param, 1);
-}
-
static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
void *data, u16 len)
{
goto failed;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
+ cmd = mgmt_pending_new(sk, MGMT_OP_START_SERVICE_DISCOVERY,
hdev, data, len);
if (!cmd) {
err = -ENOMEM;
goto failed;
}
- cmd->cmd_complete = service_discovery_cmd_complete;
-
/* Clear the discovery filter first to free any previously
* allocated memory for the UUID list.
*/
}
}
+ err = hci_cmd_sync_queue(hdev, start_discovery_sync, cmd,
+ start_discovery_complete);
+ if (err < 0) {
+ mgmt_pending_free(cmd);
+ goto failed;
+ }
+
hci_discovery_set_state(hdev, DISCOVERY_STARTING);
- queue_work(hdev->req_workqueue, &hdev->discov_update);
- err = 0;
failed:
hci_dev_unlock(hdev);
}
hci_dev_unlock(hdev);
+}
- /* Handle suspend notifier */
- if (test_and_clear_bit(SUSPEND_PAUSE_DISCOVERY, hdev->suspend_tasks)) {
- bt_dev_dbg(hdev, "Paused discovery");
- wake_up(&hdev->suspend_wait_q);
- }
+static void stop_discovery_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(err),
+ cmd->param, 1);
+ mgmt_pending_free(cmd);
+
+ if (!err)
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+}
+
+static int stop_discovery_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_stop_discovery_sync(hdev);
}
static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
goto unlock;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
+ cmd = mgmt_pending_new(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
if (!cmd) {
err = -ENOMEM;
goto unlock;
}
- cmd->cmd_complete = generic_cmd_complete;
+ err = hci_cmd_sync_queue(hdev, stop_discovery_sync, cmd,
+ stop_discovery_complete);
+ if (err < 0) {
+ mgmt_pending_free(cmd);
+ goto unlock;
+ }
hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
- queue_work(hdev->req_workqueue, &hdev->discov_update);
- err = 0;
unlock:
hci_dev_unlock(hdev);
return err;
}
+static int set_device_id_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_update_eir_sync(hdev);
+}
+
static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
struct mgmt_cp_set_device_id *cp = data;
- struct hci_request req;
int err;
__u16 source;
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
NULL, 0);
- hci_req_init(&req, hdev);
- __hci_req_update_eir(&req);
- hci_req_run(&req, NULL);
+ hci_cmd_sync_queue(hdev, set_device_id_sync, NULL, NULL);
hci_dev_unlock(hdev);
return err;
}
-static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
- u16 opcode)
+static void enable_advertising_instance(struct hci_dev *hdev, int err)
{
- bt_dev_dbg(hdev, "status %u", status);
+ if (err)
+ bt_dev_err(hdev, "failed to re-configure advertising %d", err);
+ else
+ bt_dev_dbg(hdev, "status %d", err);
}
-static void set_advertising_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
+static void set_advertising_complete(struct hci_dev *hdev, void *data, int err)
{
struct cmd_lookup match = { NULL, hdev };
- struct hci_request req;
u8 instance;
struct adv_info *adv_instance;
- int err;
-
- hci_dev_lock(hdev);
+ u8 status = mgmt_status(err);
if (status) {
- u8 mgmt_err = mgmt_status(status);
-
mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
- cmd_status_rsp, &mgmt_err);
- goto unlock;
+ cmd_status_rsp, &status);
+ return;
}
if (hci_dev_test_flag(hdev, HCI_LE_ADV))
if (match.sk)
sock_put(match.sk);
- /* Handle suspend notifier */
- if (test_and_clear_bit(SUSPEND_PAUSE_ADVERTISING,
- hdev->suspend_tasks)) {
- bt_dev_dbg(hdev, "Paused advertising");
- wake_up(&hdev->suspend_wait_q);
- } else if (test_and_clear_bit(SUSPEND_UNPAUSE_ADVERTISING,
- hdev->suspend_tasks)) {
- bt_dev_dbg(hdev, "Unpaused advertising");
- wake_up(&hdev->suspend_wait_q);
- }
-
/* If "Set Advertising" was just disabled and instance advertising was
* set up earlier, then re-enable multi-instance advertising.
*/
if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
list_empty(&hdev->adv_instances))
- goto unlock;
+ return;
instance = hdev->cur_adv_instance;
if (!instance) {
adv_instance = list_first_entry_or_null(&hdev->adv_instances,
struct adv_info, list);
if (!adv_instance)
- goto unlock;
+ return;
instance = adv_instance->instance;
}
- hci_req_init(&req, hdev);
+ err = hci_schedule_adv_instance_sync(hdev, instance, true);
- err = __hci_req_schedule_adv_instance(&req, instance, true);
+ enable_advertising_instance(hdev, err);
+}
- if (!err)
- err = hci_req_run(&req, enable_advertising_instance);
+static int set_adv_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+ u8 val = !!cp->val;
- if (err)
- bt_dev_err(hdev, "failed to re-configure advertising");
+ if (cp->val == 0x02)
+ hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
+ else
+ hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
-unlock:
- hci_dev_unlock(hdev);
+ cancel_adv_timeout(hdev);
+
+ if (val) {
+ /* Switch to instance "0" for the Set Advertising setting.
+ * We cannot use update_[adv|scan_rsp]_data() here as the
+ * HCI_ADVERTISING flag is not yet set.
+ */
+ hdev->cur_adv_instance = 0x00;
+
+ if (ext_adv_capable(hdev)) {
+ hci_start_ext_adv_sync(hdev, 0x00);
+ } else {
+ hci_update_adv_data_sync(hdev, 0x00);
+ hci_update_scan_rsp_data_sync(hdev, 0x00);
+ hci_enable_advertising_sync(hdev);
+ }
+ } else {
+ hci_disable_advertising_sync(hdev);
+ }
+
+ return 0;
}
static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
{
struct mgmt_mode *cp = data;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
u8 val, status;
int err;
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
status);
- /* Enabling the experimental LL Privay support disables support for
- * advertising.
- */
- if (hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
- return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
- MGMT_STATUS_NOT_SUPPORTED);
-
if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
MGMT_STATUS_INVALID_PARAMS);
}
cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
- if (!cmd) {
+ if (!cmd)
err = -ENOMEM;
- goto unlock;
- }
-
- hci_req_init(&req, hdev);
-
- if (cp->val == 0x02)
- hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
else
- hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
-
- cancel_adv_timeout(hdev);
-
- if (val) {
- /* Switch to instance "0" for the Set Advertising setting.
- * We cannot use update_[adv|scan_rsp]_data() here as the
- * HCI_ADVERTISING flag is not yet set.
- */
- hdev->cur_adv_instance = 0x00;
-
- if (ext_adv_capable(hdev)) {
- __hci_req_start_ext_adv(&req, 0x00);
- } else {
- __hci_req_update_adv_data(&req, 0x00);
- __hci_req_update_scan_rsp_data(&req, 0x00);
- __hci_req_enable_advertising(&req);
- }
- } else {
- __hci_req_disable_advertising(&req);
- }
+ err = hci_cmd_sync_queue(hdev, set_adv_sync, cmd,
+ set_advertising_complete);
- err = hci_req_run(&req, set_advertising_complete);
- if (err < 0)
+ if (err < 0 && cmd)
mgmt_pending_remove(cmd);
unlock:
* loaded.
*/
if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
- hdev->discovery.state == DISCOVERY_STOPPED) {
- struct hci_request req;
-
- hci_req_init(&req, hdev);
-
- hci_req_add_le_scan_disable(&req, false);
- hci_req_add_le_passive_scan(&req);
-
- hci_req_run(&req, NULL);
- }
+ hdev->discovery.state == DISCOVERY_STOPPED)
+ hci_update_passive_scan(hdev);
hci_dev_unlock(hdev);
return err;
}
-static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
+static void fast_connectable_complete(struct hci_dev *hdev, void *data, int err)
{
- struct mgmt_pending_cmd *cmd;
-
- bt_dev_dbg(hdev, "status 0x%02x", status);
-
- hci_dev_lock(hdev);
+ struct mgmt_pending_cmd *cmd = data;
- cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
- if (!cmd)
- goto unlock;
+ bt_dev_dbg(hdev, "err %d", err);
- if (status) {
+ if (err) {
mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
- mgmt_status(status));
+ mgmt_status(err));
} else {
struct mgmt_mode *cp = cmd->param;
new_settings(hdev, cmd->sk);
}
- mgmt_pending_remove(cmd);
+ mgmt_pending_free(cmd);
+}
-unlock:
- hci_dev_unlock(hdev);
+static int write_fast_connectable_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+
+ return hci_write_fast_connectable_sync(hdev, cp->val);
}
static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
{
struct mgmt_mode *cp = data;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
int err;
bt_dev_dbg(hdev, "sock %p", sk);
if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
hdev->hci_ver < BLUETOOTH_VER_1_2)
- return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_FAST_CONNECTABLE,
MGMT_STATUS_NOT_SUPPORTED);
if (cp->val != 0x00 && cp->val != 0x01)
- return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_FAST_CONNECTABLE,
MGMT_STATUS_INVALID_PARAMS);
hci_dev_lock(hdev);
- if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
- err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
- MGMT_STATUS_BUSY);
- goto unlock;
- }
-
if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
- err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
- hdev);
+ err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
goto unlock;
}
if (!hdev_is_powered(hdev)) {
hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
- err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
- hdev);
+ err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
new_settings(hdev, sk);
goto unlock;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
- data, len);
- if (!cmd) {
+ cmd = mgmt_pending_new(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev, data,
+ len);
+ if (!cmd)
err = -ENOMEM;
- goto unlock;
- }
-
- hci_req_init(&req, hdev);
-
- __hci_req_write_fast_connectable(&req, cp->val);
+ else
+ err = hci_cmd_sync_queue(hdev, write_fast_connectable_sync, cmd,
+ fast_connectable_complete);
- err = hci_req_run(&req, fast_connectable_complete);
if (err < 0) {
- err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
- MGMT_STATUS_FAILED);
- mgmt_pending_remove(cmd);
+ mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ MGMT_STATUS_FAILED);
+
+ if (cmd)
+ mgmt_pending_free(cmd);
}
unlock:
return err;
}
-static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+static void set_bredr_complete(struct hci_dev *hdev, void *data, int err)
{
- struct mgmt_pending_cmd *cmd;
-
- bt_dev_dbg(hdev, "status 0x%02x", status);
+ struct mgmt_pending_cmd *cmd = data;
- hci_dev_lock(hdev);
-
- cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
- if (!cmd)
- goto unlock;
+ bt_dev_dbg(hdev, "err %d", err);
- if (status) {
- u8 mgmt_err = mgmt_status(status);
+ if (err) {
+ u8 mgmt_err = mgmt_status(err);
/* We need to restore the flag if related HCI commands
* failed.
new_settings(hdev, cmd->sk);
}
- mgmt_pending_remove(cmd);
+ mgmt_pending_free(cmd);
+}
-unlock:
- hci_dev_unlock(hdev);
+static int set_bredr_sync(struct hci_dev *hdev, void *data)
+{
+ int status;
+
+ status = hci_write_fast_connectable_sync(hdev, false);
+
+ if (!status)
+ status = hci_update_scan_sync(hdev);
+
+ /* Since only the advertising data flags will change, there
+ * is no need to update the scan response data.
+ */
+ if (!status)
+ status = hci_update_adv_data_sync(hdev, hdev->cur_adv_instance);
+
+ return status;
}
static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
{
struct mgmt_mode *cp = data;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
int err;
bt_dev_dbg(hdev, "sock %p", sk);
}
}
- if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
- err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
- MGMT_STATUS_BUSY);
- goto unlock;
- }
-
- cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
- if (!cmd) {
+ cmd = mgmt_pending_new(sk, MGMT_OP_SET_BREDR, hdev, data, len);
+ if (!cmd)
err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, set_bredr_sync, cmd,
+ set_bredr_complete);
+
+ if (err < 0) {
+ mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+ MGMT_STATUS_FAILED);
+ if (cmd)
+ mgmt_pending_free(cmd);
+
goto unlock;
}
*/
hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
- hci_req_init(&req, hdev);
-
- __hci_req_write_fast_connectable(&req, false);
- __hci_req_update_scan(&req);
-
- /* Since only the advertising data flags will change, there
- * is no need to update the scan response data.
- */
- __hci_req_update_adv_data(&req, hdev->cur_adv_instance);
-
- err = hci_req_run(&req, set_bredr_complete);
- if (err < 0)
- mgmt_pending_remove(cmd);
-
unlock:
hci_dev_unlock(hdev);
return err;
}
-static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+static void set_secure_conn_complete(struct hci_dev *hdev, void *data, int err)
{
- struct mgmt_pending_cmd *cmd;
+ struct mgmt_pending_cmd *cmd = data;
struct mgmt_mode *cp;
- bt_dev_dbg(hdev, "status %u", status);
-
- hci_dev_lock(hdev);
+ bt_dev_dbg(hdev, "err %d", err);
- cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
- if (!cmd)
- goto unlock;
+ if (err) {
+ u8 mgmt_err = mgmt_status(err);
- if (status) {
- mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
- mgmt_status(status));
- goto remove;
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
+ goto done;
}
cp = cmd->param;
break;
}
- send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
+ send_settings_rsp(cmd->sk, cmd->opcode, hdev);
new_settings(hdev, cmd->sk);
-remove:
- mgmt_pending_remove(cmd);
-unlock:
- hci_dev_unlock(hdev);
+done:
+ mgmt_pending_free(cmd);
+}
+
+static int set_secure_conn_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_mode *cp = cmd->param;
+ u8 val = !!cp->val;
+
+ /* Force write of val */
+ hci_dev_set_flag(hdev, HCI_SC_ENABLED);
+
+ return hci_write_sc_support_sync(hdev, val);
}
static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
{
struct mgmt_mode *cp = data;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
u8 val;
int err;
if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
- MGMT_STATUS_INVALID_PARAMS);
+ MGMT_STATUS_INVALID_PARAMS);
hci_dev_lock(hdev);
goto failed;
}
- if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
- err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
- MGMT_STATUS_BUSY);
- goto failed;
- }
-
val = !!cp->val;
if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
goto failed;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
- if (!cmd) {
+ cmd = mgmt_pending_new(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
+ if (!cmd)
err = -ENOMEM;
- goto failed;
- }
+ else
+ err = hci_cmd_sync_queue(hdev, set_secure_conn_sync, cmd,
+ set_secure_conn_complete);
- hci_req_init(&req, hdev);
- hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
- err = hci_req_run(&req, sc_enable_complete);
if (err < 0) {
- mgmt_pending_remove(cmd);
- goto failed;
+ mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
+ MGMT_STATUS_FAILED);
+ if (cmd)
+ mgmt_pending_free(cmd);
}
failed:
return err;
}
-static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
+static void get_conn_info_complete(struct hci_dev *hdev, void *data, int err)
{
+ struct mgmt_pending_cmd *cmd = data;
struct hci_conn *conn = cmd->user_data;
+ struct mgmt_cp_get_conn_info *cp = cmd->param;
struct mgmt_rp_get_conn_info rp;
- int err;
+ u8 status;
+
+ bt_dev_dbg(hdev, "err %d", err);
- memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
+ memcpy(&rp.addr, &cp->addr.bdaddr, sizeof(rp.addr));
+ status = mgmt_status(err);
if (status == MGMT_STATUS_SUCCESS) {
rp.rssi = conn->rssi;
rp.tx_power = conn->tx_power;
rp.max_tx_power = HCI_TX_POWER_INVALID;
}
- err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
- status, &rp, sizeof(rp));
+ mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO, status,
+ &rp, sizeof(rp));
- hci_conn_drop(conn);
- hci_conn_put(conn);
+ if (conn) {
+ hci_conn_drop(conn);
+ hci_conn_put(conn);
+ }
- return err;
+ mgmt_pending_free(cmd);
}
-static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
- u16 opcode)
+static int get_conn_info_sync(struct hci_dev *hdev, void *data)
{
- struct hci_cp_read_rssi *cp;
- struct mgmt_pending_cmd *cmd;
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_get_conn_info *cp = cmd->param;
struct hci_conn *conn;
- u16 handle;
- u8 status;
-
- bt_dev_dbg(hdev, "status 0x%02x", hci_status);
+ int err;
+ __le16 handle;
- hci_dev_lock(hdev);
+ /* Make sure we are still connected */
+ if (cp->addr.type == BDADDR_BREDR)
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
+ &cp->addr.bdaddr);
+ else
+ conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
- /* Commands sent in request are either Read RSSI or Read Transmit Power
- * Level so we check which one was last sent to retrieve connection
- * handle. Both commands have handle as first parameter so it's safe to
- * cast data on the same command struct.
- *
- * First command sent is always Read RSSI and we fail only if it fails.
- * In other case we simply override error to indicate success as we
- * already remembered if TX power value is actually valid.
- */
- cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
- if (!cp) {
- cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
- status = MGMT_STATUS_SUCCESS;
- } else {
- status = mgmt_status(hci_status);
+ if (!conn || conn != cmd->user_data || conn->state != BT_CONNECTED) {
+ if (cmd->user_data) {
+ hci_conn_drop(cmd->user_data);
+ hci_conn_put(cmd->user_data);
+ cmd->user_data = NULL;
+ }
+ return MGMT_STATUS_NOT_CONNECTED;
}
- if (!cp) {
- bt_dev_err(hdev, "invalid sent_cmd in conn_info response");
- goto unlock;
- }
+ handle = cpu_to_le16(conn->handle);
- handle = __le16_to_cpu(cp->handle);
- conn = hci_conn_hash_lookup_handle(hdev, handle);
- if (!conn) {
- bt_dev_err(hdev, "unknown handle (%u) in conn_info response",
- handle);
- goto unlock;
- }
+ /* Refresh RSSI each time */
+ err = hci_read_rssi_sync(hdev, handle);
- cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
- if (!cmd)
- goto unlock;
+ /* For LE links TX power does not change thus we don't need to
+ * query for it once value is known.
+ */
+ if (!err && (!bdaddr_type_is_le(cp->addr.type) ||
+ conn->tx_power == HCI_TX_POWER_INVALID))
+ err = hci_read_tx_power_sync(hdev, handle, 0x00);
- cmd->cmd_complete(cmd, status);
- mgmt_pending_remove(cmd);
+ /* Max TX power needs to be read only once per connection */
+ if (!err && conn->max_tx_power == HCI_TX_POWER_INVALID)
+ err = hci_read_tx_power_sync(hdev, handle, 0x01);
-unlock:
- hci_dev_unlock(hdev);
+ return err;
}
static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
goto unlock;
}
- if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
- err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
- MGMT_STATUS_BUSY, &rp, sizeof(rp));
- goto unlock;
- }
-
/* To avoid client trying to guess when to poll again for information we
* calculate conn info age as random value between min/max set in hdev.
*/
if (time_after(jiffies, conn->conn_info_timestamp +
msecs_to_jiffies(conn_info_age)) ||
!conn->conn_info_timestamp) {
- struct hci_request req;
- struct hci_cp_read_tx_power req_txp_cp;
- struct hci_cp_read_rssi req_rssi_cp;
struct mgmt_pending_cmd *cmd;
- hci_req_init(&req, hdev);
- req_rssi_cp.handle = cpu_to_le16(conn->handle);
- hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
- &req_rssi_cp);
-
- /* For LE links TX power does not change thus we don't need to
- * query for it once value is known.
- */
- if (!bdaddr_type_is_le(cp->addr.type) ||
- conn->tx_power == HCI_TX_POWER_INVALID) {
- req_txp_cp.handle = cpu_to_le16(conn->handle);
- req_txp_cp.type = 0x00;
- hci_req_add(&req, HCI_OP_READ_TX_POWER,
- sizeof(req_txp_cp), &req_txp_cp);
- }
+ cmd = mgmt_pending_new(sk, MGMT_OP_GET_CONN_INFO, hdev, data,
+ len);
+ if (!cmd)
+ err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, get_conn_info_sync,
+ cmd, get_conn_info_complete);
- /* Max TX power needs to be read only once per connection */
- if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
- req_txp_cp.handle = cpu_to_le16(conn->handle);
- req_txp_cp.type = 0x01;
- hci_req_add(&req, HCI_OP_READ_TX_POWER,
- sizeof(req_txp_cp), &req_txp_cp);
- }
+ if (err < 0) {
+ mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
+ MGMT_STATUS_FAILED, &rp, sizeof(rp));
- err = hci_req_run(&req, conn_info_refresh_complete);
- if (err < 0)
- goto unlock;
+ if (cmd)
+ mgmt_pending_free(cmd);
- cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
- data, len);
- if (!cmd) {
- err = -ENOMEM;
goto unlock;
}
hci_conn_hold(conn);
cmd->user_data = hci_conn_get(conn);
- cmd->cmd_complete = conn_info_cmd_complete;
conn->conn_info_timestamp = jiffies;
} else {
return err;
}
-static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
+static void get_clock_info_complete(struct hci_dev *hdev, void *data, int err)
{
- struct hci_conn *conn = cmd->user_data;
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_get_clock_info *cp = cmd->param;
struct mgmt_rp_get_clock_info rp;
- struct hci_dev *hdev;
- int err;
+ struct hci_conn *conn = cmd->user_data;
+ u8 status = mgmt_status(err);
+
+ bt_dev_dbg(hdev, "err %d", err);
memset(&rp, 0, sizeof(rp));
- memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
+ bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
+ rp.addr.type = cp->addr.type;
- if (status)
+ if (err)
goto complete;
- hdev = hci_dev_get(cmd->index);
- if (hdev) {
- rp.local_clock = cpu_to_le32(hdev->clock);
- hci_dev_put(hdev);
- }
+ rp.local_clock = cpu_to_le32(hdev->clock);
if (conn) {
rp.piconet_clock = cpu_to_le32(conn->clock);
rp.accuracy = cpu_to_le16(conn->clock_accuracy);
- }
-
-complete:
- err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
- sizeof(rp));
-
- if (conn) {
hci_conn_drop(conn);
hci_conn_put(conn);
}
- return err;
+complete:
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
+ sizeof(rp));
+
+ mgmt_pending_free(cmd);
}
-static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+static int get_clock_info_sync(struct hci_dev *hdev, void *data)
{
- struct hci_cp_read_clock *hci_cp;
- struct mgmt_pending_cmd *cmd;
- struct hci_conn *conn;
-
- bt_dev_dbg(hdev, "status %u", status);
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_get_clock_info *cp = cmd->param;
+ struct hci_cp_read_clock hci_cp;
+ struct hci_conn *conn = cmd->user_data;
+ int err;
- hci_dev_lock(hdev);
+ memset(&hci_cp, 0, sizeof(hci_cp));
+ err = hci_read_clock_sync(hdev, &hci_cp);
- hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
- if (!hci_cp)
- goto unlock;
+ if (conn) {
+ /* Make sure connection still exists */
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
+ &cp->addr.bdaddr);
- if (hci_cp->which) {
- u16 handle = __le16_to_cpu(hci_cp->handle);
- conn = hci_conn_hash_lookup_handle(hdev, handle);
- } else {
- conn = NULL;
+ if (conn && conn == cmd->user_data &&
+ conn->state == BT_CONNECTED) {
+ hci_cp.handle = cpu_to_le16(conn->handle);
+ hci_cp.which = 0x01; /* Piconet clock */
+ err = hci_read_clock_sync(hdev, &hci_cp);
+ } else if (cmd->user_data) {
+ hci_conn_drop(cmd->user_data);
+ hci_conn_put(cmd->user_data);
+ cmd->user_data = NULL;
+ }
}
- cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
- if (!cmd)
- goto unlock;
-
- cmd->cmd_complete(cmd, mgmt_status(status));
- mgmt_pending_remove(cmd);
-
-unlock:
- hci_dev_unlock(hdev);
+ return err;
}
static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
- u16 len)
+ u16 len)
{
struct mgmt_cp_get_clock_info *cp = data;
struct mgmt_rp_get_clock_info rp;
- struct hci_cp_read_clock hci_cp;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
struct hci_conn *conn;
int err;
conn = NULL;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
- if (!cmd) {
+ cmd = mgmt_pending_new(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
+ if (!cmd)
err = -ENOMEM;
- goto unlock;
- }
-
- cmd->cmd_complete = clock_info_cmd_complete;
+ else
+ err = hci_cmd_sync_queue(hdev, get_clock_info_sync, cmd,
+ get_clock_info_complete);
- hci_req_init(&req, hdev);
+ if (err < 0) {
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
+ MGMT_STATUS_FAILED, &rp, sizeof(rp));
- memset(&hci_cp, 0, sizeof(hci_cp));
- hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
+ if (cmd)
+ mgmt_pending_free(cmd);
- if (conn) {
+ } else if (conn) {
hci_conn_hold(conn);
cmd->user_data = hci_conn_get(conn);
-
- hci_cp.handle = cpu_to_le16(conn->handle);
- hci_cp.which = 0x01; /* Piconet clock */
- hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
}
- err = hci_req_run(&req, get_clock_info_complete);
- if (err < 0)
- mgmt_pending_remove(cmd);
unlock:
hci_dev_unlock(hdev);
mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
}
+static int add_device_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_update_passive_scan_sync(hdev);
+}
+
static int add_device(struct sock *sk, struct hci_dev *hdev,
void *data, u16 len)
{
current_flags = params->current_flags;
}
- hci_update_background_scan(hdev);
+ err = hci_cmd_sync_queue(hdev, add_device_sync, NULL, NULL);
+ if (err < 0)
+ goto unlock;
added:
device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
}
+static int remove_device_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_update_passive_scan_sync(hdev);
+}
+
static int remove_device(struct sock *sk, struct hci_dev *hdev,
void *data, u16 len)
{
list_del(¶ms->action);
list_del(¶ms->list);
kfree(params);
- hci_update_background_scan(hdev);
device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
} else {
}
bt_dev_dbg(hdev, "All LE connection parameters were removed");
-
- hci_update_background_scan(hdev);
}
+ hci_cmd_sync_queue(hdev, remove_device_sync, NULL, NULL);
+
complete:
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
MGMT_STATUS_SUCCESS, &cp->addr,
return err;
}
-static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
- u16 opcode, struct sk_buff *skb)
+static void read_local_oob_ext_data_complete(struct hci_dev *hdev, void *data,
+ int err)
{
const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
u8 *h192, *r192, *h256, *r256;
- struct mgmt_pending_cmd *cmd;
+ struct mgmt_pending_cmd *cmd = data;
+ struct sk_buff *skb = cmd->skb;
+ u8 status = mgmt_status(err);
u16 eir_len;
- int err;
- bt_dev_dbg(hdev, "status %u", status);
+ if (!status) {
+ if (!skb)
+ status = MGMT_STATUS_FAILED;
+ else if (IS_ERR(skb))
+ status = mgmt_status(PTR_ERR(skb));
+ else
+ status = mgmt_status(skb->data[0]);
+ }
- cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
- if (!cmd)
- return;
+ bt_dev_dbg(hdev, "status %u", status);
mgmt_cp = cmd->param;
r192 = NULL;
h256 = NULL;
r256 = NULL;
- } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
+ } else if (!bredr_sc_enabled(hdev)) {
struct hci_rp_read_local_oob_data *rp;
if (skb->len != sizeof(*rp)) {
mgmt_rp, sizeof(*mgmt_rp) + eir_len,
HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
done:
+ if (skb && !IS_ERR(skb))
+ kfree_skb(skb);
+
kfree(mgmt_rp);
mgmt_pending_remove(cmd);
}
struct mgmt_cp_read_local_oob_ext_data *cp)
{
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
int err;
cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
if (!cmd)
return -ENOMEM;
- hci_req_init(&req, hdev);
+ err = hci_cmd_sync_queue(hdev, read_local_oob_data_sync, cmd,
+ read_local_oob_ext_data_complete);
- if (bredr_sc_enabled(hdev))
- hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
- else
- hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
-
- err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
if (err < 0) {
mgmt_pending_remove(cmd);
return err;
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
MGMT_STATUS_REJECTED);
- /* Enabling the experimental LL Privay support disables support for
- * advertising.
- */
- if (hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
- return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
- MGMT_STATUS_NOT_SUPPORTED);
-
hci_dev_lock(hdev);
rp_len = sizeof(*rp) + hdev->adv_instance_cnt;
pending_find(MGMT_OP_ADD_EXT_ADV_DATA, hdev));
}
-static void add_advertising_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
+static void add_adv_complete(struct hci_dev *hdev, struct sock *sk, u8 instance,
+ int err)
{
- struct mgmt_pending_cmd *cmd;
- struct mgmt_cp_add_advertising *cp;
- struct mgmt_rp_add_advertising rp;
- struct adv_info *adv_instance, *n;
- u8 instance;
+ struct adv_info *adv, *n;
- bt_dev_dbg(hdev, "status %u", status);
+ bt_dev_dbg(hdev, "err %d", err);
hci_dev_lock(hdev);
- cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
- if (!cmd)
- cmd = pending_find(MGMT_OP_ADD_EXT_ADV_DATA, hdev);
+ list_for_each_entry_safe(adv, n, &hdev->adv_instances, list) {
+ u8 instance;
- list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
- if (!adv_instance->pending)
+ if (!adv->pending)
continue;
- if (!status) {
- adv_instance->pending = false;
+ if (!err) {
+ adv->pending = false;
continue;
}
- instance = adv_instance->instance;
+ instance = adv->instance;
if (hdev->cur_adv_instance == instance)
cancel_adv_timeout(hdev);
hci_remove_adv_instance(hdev, instance);
- mgmt_advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
+ mgmt_advertising_removed(sk, hdev, instance);
}
- if (!cmd)
- goto unlock;
+ hci_dev_unlock(hdev);
+}
+
+static void add_advertising_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_advertising *cp = cmd->param;
+ struct mgmt_rp_add_advertising rp;
+
+ memset(&rp, 0, sizeof(rp));
- cp = cmd->param;
rp.instance = cp->instance;
- if (status)
+ if (err)
mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
- mgmt_status(status));
+ mgmt_status(err));
else
mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
- mgmt_status(status), &rp, sizeof(rp));
+ mgmt_status(err), &rp, sizeof(rp));
- mgmt_pending_remove(cmd);
+ add_adv_complete(hdev, cmd->sk, cp->instance, err);
-unlock:
- hci_dev_unlock(hdev);
+ mgmt_pending_free(cmd);
+}
+
+static int add_advertising_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_advertising *cp = cmd->param;
+
+ return hci_schedule_adv_instance_sync(hdev, cp->instance, true);
}
static int add_advertising(struct sock *sk, struct hci_dev *hdev,
struct adv_info *next_instance;
int err;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
bt_dev_dbg(hdev, "sock %p", sk);
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
status);
- /* Enabling the experimental LL Privay support disables support for
- * advertising.
- */
- if (hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
- return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
- MGMT_STATUS_NOT_SUPPORTED);
-
if (cp->instance < 1 || cp->instance > hdev->le_num_of_adv_sets)
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
MGMT_STATUS_INVALID_PARAMS);
/* We're good to go, update advertising data, parameters, and start
* advertising.
*/
- cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
+ cmd = mgmt_pending_new(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
data_len);
if (!cmd) {
err = -ENOMEM;
goto unlock;
}
- hci_req_init(&req, hdev);
+ cp->instance = schedule_instance;
- err = __hci_req_schedule_adv_instance(&req, schedule_instance, true);
-
- if (!err)
- err = hci_req_run(&req, add_advertising_complete);
-
- if (err < 0) {
- err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
- MGMT_STATUS_FAILED);
- mgmt_pending_remove(cmd);
- }
+ err = hci_cmd_sync_queue(hdev, add_advertising_sync, cmd,
+ add_advertising_complete);
+ if (err < 0)
+ mgmt_pending_free(cmd);
unlock:
hci_dev_unlock(hdev);
return err;
}
-static void add_ext_adv_params_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
+static void add_ext_adv_params_complete(struct hci_dev *hdev, void *data,
+ int err)
{
- struct mgmt_pending_cmd *cmd;
- struct mgmt_cp_add_ext_adv_params *cp;
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_ext_adv_params *cp = cmd->param;
struct mgmt_rp_add_ext_adv_params rp;
- struct adv_info *adv_instance;
+ struct adv_info *adv;
u32 flags;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
- cmd = pending_find(MGMT_OP_ADD_EXT_ADV_PARAMS, hdev);
- if (!cmd)
- goto unlock;
-
- cp = cmd->param;
- adv_instance = hci_find_adv_instance(hdev, cp->instance);
- if (!adv_instance)
+ adv = hci_find_adv_instance(hdev, cp->instance);
+ if (!adv)
goto unlock;
rp.instance = cp->instance;
- rp.tx_power = adv_instance->tx_power;
+ rp.tx_power = adv->tx_power;
/* While we're at it, inform userspace of the available space for this
* advertisement, given the flags that will be used.
rp.max_adv_data_len = tlv_data_max_len(hdev, flags, true);
rp.max_scan_rsp_len = tlv_data_max_len(hdev, flags, false);
- if (status) {
+ if (err) {
/* If this advertisement was previously advertising and we
* failed to update it, we signal that it has been removed and
* delete its structure
*/
- if (!adv_instance->pending)
+ if (!adv->pending)
mgmt_advertising_removed(cmd->sk, hdev, cp->instance);
hci_remove_adv_instance(hdev, cp->instance);
mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
- mgmt_status(status));
-
+ mgmt_status(err));
} else {
mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
- mgmt_status(status), &rp, sizeof(rp));
+ mgmt_status(err), &rp, sizeof(rp));
}
unlock:
if (cmd)
- mgmt_pending_remove(cmd);
+ mgmt_pending_free(cmd);
hci_dev_unlock(hdev);
}
+static int add_ext_adv_params_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_ext_adv_params *cp = cmd->param;
+
+ return hci_setup_ext_adv_instance_sync(hdev, cp->instance);
+}
+
static int add_ext_adv_params(struct sock *sk, struct hci_dev *hdev,
void *data, u16 data_len)
{
struct mgmt_cp_add_ext_adv_params *cp = data;
struct mgmt_rp_add_ext_adv_params rp;
struct mgmt_pending_cmd *cmd = NULL;
- struct adv_info *adv_instance;
- struct hci_request req;
u32 flags, min_interval, max_interval;
u16 timeout, duration;
u8 status;
/* Submit request for advertising params if ext adv available */
if (ext_adv_capable(hdev)) {
- hci_req_init(&req, hdev);
- adv_instance = hci_find_adv_instance(hdev, cp->instance);
-
- /* Updating parameters of an active instance will return a
- * Command Disallowed error, so we must first disable the
- * instance if it is active.
- */
- if (!adv_instance->pending)
- __hci_req_disable_ext_adv_instance(&req, cp->instance);
-
- __hci_req_setup_ext_adv_instance(&req, cp->instance);
-
- err = hci_req_run(&req, add_ext_adv_params_complete);
-
- if (!err)
- cmd = mgmt_pending_add(sk, MGMT_OP_ADD_EXT_ADV_PARAMS,
- hdev, data, data_len);
+ cmd = mgmt_pending_new(sk, MGMT_OP_ADD_EXT_ADV_PARAMS, hdev,
+ data, data_len);
if (!cmd) {
err = -ENOMEM;
hci_remove_adv_instance(hdev, cp->instance);
goto unlock;
}
+ err = hci_cmd_sync_queue(hdev, add_ext_adv_params_sync, cmd,
+ add_ext_adv_params_complete);
+ if (err < 0)
+ mgmt_pending_free(cmd);
} else {
rp.instance = cp->instance;
rp.tx_power = HCI_ADV_TX_POWER_NO_PREFERENCE;
return err;
}
+static void add_ext_adv_data_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_ext_adv_data *cp = cmd->param;
+ struct mgmt_rp_add_advertising rp;
+
+ add_adv_complete(hdev, cmd->sk, cp->instance, err);
+
+ memset(&rp, 0, sizeof(rp));
+
+ rp.instance = cp->instance;
+
+ if (err)
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err));
+ else
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err), &rp, sizeof(rp));
+
+ mgmt_pending_free(cmd);
+}
+
+static int add_ext_adv_data_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_add_ext_adv_data *cp = cmd->param;
+ int err;
+
+ if (ext_adv_capable(hdev)) {
+ err = hci_update_adv_data_sync(hdev, cp->instance);
+ if (err)
+ return err;
+
+ err = hci_update_scan_rsp_data_sync(hdev, cp->instance);
+ if (err)
+ return err;
+
+ return hci_enable_ext_advertising_sync(hdev, cp->instance);
+ }
+
+ return hci_schedule_adv_instance_sync(hdev, cp->instance, true);
+}
+
static int add_ext_adv_data(struct sock *sk, struct hci_dev *hdev, void *data,
u16 data_len)
{
struct adv_info *adv_instance;
int err = 0;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
BT_DBG("%s", hdev->name);
cp->data, cp->scan_rsp_len,
cp->data + cp->adv_data_len);
- /* We're good to go, update advertising data, parameters, and start
- * advertising.
- */
-
- hci_req_init(&req, hdev);
-
- hci_req_add(&req, HCI_OP_READ_LOCAL_NAME, 0, NULL);
-
- if (ext_adv_capable(hdev)) {
- __hci_req_update_adv_data(&req, cp->instance);
- __hci_req_update_scan_rsp_data(&req, cp->instance);
- __hci_req_enable_ext_advertising(&req, cp->instance);
-
- } else {
- /* If using software rotation, determine next instance to use */
-
- if (hdev->cur_adv_instance == cp->instance) {
- /* If the currently advertised instance is being changed
- * then cancel the current advertising and schedule the
- * next instance. If there is only one instance then the
- * overridden advertising data will be visible right
- * away
- */
- cancel_adv_timeout(hdev);
-
- next_instance = hci_get_next_instance(hdev,
- cp->instance);
- if (next_instance)
- schedule_instance = next_instance->instance;
- } else if (!hdev->adv_instance_timeout) {
- /* Immediately advertise the new instance if no other
- * instance is currently being advertised.
- */
- schedule_instance = cp->instance;
- }
+ /* If using software rotation, determine next instance to use */
+ if (hdev->cur_adv_instance == cp->instance) {
+ /* If the currently advertised instance is being changed
+ * then cancel the current advertising and schedule the
+ * next instance. If there is only one instance then the
+ * overridden advertising data will be visible right
+ * away
+ */
+ cancel_adv_timeout(hdev);
- /* If the HCI_ADVERTISING flag is set or there is no instance to
- * be advertised then we have no HCI communication to make.
- * Simply return.
+ next_instance = hci_get_next_instance(hdev, cp->instance);
+ if (next_instance)
+ schedule_instance = next_instance->instance;
+ } else if (!hdev->adv_instance_timeout) {
+ /* Immediately advertise the new instance if no other
+ * instance is currently being advertised.
*/
- if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
- !schedule_instance) {
- if (adv_instance->pending) {
- mgmt_advertising_added(sk, hdev, cp->instance);
- adv_instance->pending = false;
- }
- rp.instance = cp->instance;
- err = mgmt_cmd_complete(sk, hdev->id,
- MGMT_OP_ADD_EXT_ADV_DATA,
- MGMT_STATUS_SUCCESS, &rp,
- sizeof(rp));
- goto unlock;
- }
+ schedule_instance = cp->instance;
+ }
- err = __hci_req_schedule_adv_instance(&req, schedule_instance,
- true);
+ /* If the HCI_ADVERTISING flag is set or there is no instance to
+ * be advertised then we have no HCI communication to make.
+ * Simply return.
+ */
+ if (hci_dev_test_flag(hdev, HCI_ADVERTISING) || !schedule_instance) {
+ if (adv_instance->pending) {
+ mgmt_advertising_added(sk, hdev, cp->instance);
+ adv_instance->pending = false;
+ }
+ rp.instance = cp->instance;
+ err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA,
+ MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
+ goto unlock;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_ADD_EXT_ADV_DATA, hdev, data,
+ cmd = mgmt_pending_new(sk, MGMT_OP_ADD_EXT_ADV_DATA, hdev, data,
data_len);
if (!cmd) {
err = -ENOMEM;
goto clear_new_instance;
}
- if (!err)
- err = hci_req_run(&req, add_advertising_complete);
-
+ err = hci_cmd_sync_queue(hdev, add_ext_adv_data_sync, cmd,
+ add_ext_adv_data_complete);
if (err < 0) {
- err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA,
- MGMT_STATUS_FAILED);
- mgmt_pending_remove(cmd);
+ mgmt_pending_free(cmd);
goto clear_new_instance;
}
return err;
}
-static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
+static void remove_advertising_complete(struct hci_dev *hdev, void *data,
+ int err)
{
- struct mgmt_pending_cmd *cmd;
- struct mgmt_cp_remove_advertising *cp;
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_remove_advertising *cp = cmd->param;
struct mgmt_rp_remove_advertising rp;
- bt_dev_dbg(hdev, "status %u", status);
+ bt_dev_dbg(hdev, "err %d", err);
- hci_dev_lock(hdev);
+ memset(&rp, 0, sizeof(rp));
+ rp.instance = cp->instance;
- /* A failure status here only means that we failed to disable
- * advertising. Otherwise, the advertising instance has been removed,
- * so report success.
- */
- cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
- if (!cmd)
- goto unlock;
+ if (err)
+ mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
+ mgmt_status(err));
+ else
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
+ MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
- cp = cmd->param;
- rp.instance = cp->instance;
+ mgmt_pending_free(cmd);
+}
- mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
- &rp, sizeof(rp));
- mgmt_pending_remove(cmd);
+static int remove_advertising_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_remove_advertising *cp = cmd->param;
+ int err;
-unlock:
- hci_dev_unlock(hdev);
+ err = hci_remove_advertising_sync(hdev, cmd->sk, cp->instance, true);
+ if (err)
+ return err;
+
+ if (list_empty(&hdev->adv_instances))
+ err = hci_disable_advertising_sync(hdev);
+
+ return err;
}
static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
void *data, u16 data_len)
{
struct mgmt_cp_remove_advertising *cp = data;
- struct mgmt_rp_remove_advertising rp;
struct mgmt_pending_cmd *cmd;
- struct hci_request req;
int err;
bt_dev_dbg(hdev, "sock %p", sk);
- /* Enabling the experimental LL Privay support disables support for
- * advertising.
- */
- if (hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
- return mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
- MGMT_STATUS_NOT_SUPPORTED);
-
hci_dev_lock(hdev);
if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
goto unlock;
}
- hci_req_init(&req, hdev);
-
- /* If we use extended advertising, instance is disabled and removed */
- if (ext_adv_capable(hdev)) {
- __hci_req_disable_ext_adv_instance(&req, cp->instance);
- __hci_req_remove_ext_adv_instance(&req, cp->instance);
- }
-
- hci_req_clear_adv_instance(hdev, sk, &req, cp->instance, true);
-
- if (list_empty(&hdev->adv_instances))
- __hci_req_disable_advertising(&req);
-
- /* If no HCI commands have been collected so far or the HCI_ADVERTISING
- * flag is set or the device isn't powered then we have no HCI
- * communication to make. Simply return.
- */
- if (skb_queue_empty(&req.cmd_q) ||
- !hdev_is_powered(hdev) ||
- hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
- hci_req_purge(&req);
- rp.instance = cp->instance;
- err = mgmt_cmd_complete(sk, hdev->id,
- MGMT_OP_REMOVE_ADVERTISING,
- MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
- goto unlock;
- }
-
- cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
+ cmd = mgmt_pending_new(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
data_len);
if (!cmd) {
err = -ENOMEM;
goto unlock;
}
- err = hci_req_run(&req, remove_advertising_complete);
+ err = hci_cmd_sync_queue(hdev, remove_advertising_sync, cmd,
+ remove_advertising_complete);
if (err < 0)
- mgmt_pending_remove(cmd);
+ mgmt_pending_free(cmd);
unlock:
hci_dev_unlock(hdev);
HCI_MGMT_EXT_INDEX_EVENTS);
}
-/* This function requires the caller holds hdev->lock */
-static void restart_le_actions(struct hci_dev *hdev)
-{
- struct hci_conn_params *p;
-
- list_for_each_entry(p, &hdev->le_conn_params, list) {
- /* Needed for AUTO_OFF case where might not "really"
- * have been powered off.
- */
- list_del_init(&p->action);
-
- switch (p->auto_connect) {
- case HCI_AUTO_CONN_DIRECT:
- case HCI_AUTO_CONN_ALWAYS:
- list_add(&p->action, &hdev->pend_le_conns);
- break;
- case HCI_AUTO_CONN_REPORT:
- list_add(&p->action, &hdev->pend_le_reports);
- break;
- default:
- break;
- }
- }
-}
-
void mgmt_power_on(struct hci_dev *hdev, int err)
{
struct cmd_lookup match = { NULL, hdev };
if (!err) {
restart_le_actions(hdev);
- hci_update_background_scan(hdev);
+ hci_update_passive_scan(hdev);
}
mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
sock_put(match.sk);
}
-static void clear_eir(struct hci_request *req)
-{
- struct hci_dev *hdev = req->hdev;
- struct hci_cp_write_eir cp;
-
- if (!lmp_ext_inq_capable(hdev))
- return;
-
- memset(hdev->eir, 0, sizeof(hdev->eir));
-
- memset(&cp, 0, sizeof(cp));
-
- hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
-}
-
-void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
-{
- struct cmd_lookup match = { NULL, hdev };
- struct hci_request req;
- bool changed = false;
-
- if (status) {
- u8 mgmt_err = mgmt_status(status);
-
- if (enable && hci_dev_test_and_clear_flag(hdev,
- HCI_SSP_ENABLED)) {
- hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
- new_settings(hdev, NULL);
- }
-
- mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
- &mgmt_err);
- return;
- }
-
- if (enable) {
- changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
- } else {
- changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
- if (!changed)
- changed = hci_dev_test_and_clear_flag(hdev,
- HCI_HS_ENABLED);
- else
- hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
- }
-
- mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
-
- if (changed)
- new_settings(hdev, match.sk);
-
- if (match.sk)
- sock_put(match.sk);
-
- hci_req_init(&req, hdev);
-
- if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
- if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
- hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
- sizeof(enable), &enable);
- __hci_req_update_eir(&req);
- } else {
- clear_eir(&req);
- }
-
- hci_req_run(&req, NULL);
-}
-
static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
{
struct cmd_lookup *match = data;
}
}
-struct mgmt_pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
+struct mgmt_pending_cmd *mgmt_pending_new(struct sock *sk, u16 opcode,
struct hci_dev *hdev,
void *data, u16 len)
{
cmd->sk = sk;
sock_hold(sk);
+ return cmd;
+}
+
+struct mgmt_pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
+ struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_pending_cmd *cmd;
+
+ cmd = mgmt_pending_new(sk, opcode, hdev, data, len);
+ if (!cmd)
+ return NULL;
+
list_add(&cmd->list, &hdev->mgmt_pending);
return cmd;
void *param;
size_t param_len;
struct sock *sk;
+ struct sk_buff *skb;
void *user_data;
int (*cmd_complete)(struct mgmt_pending_cmd *cmd, u8 status);
};
struct mgmt_pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
struct hci_dev *hdev,
void *data, u16 len);
+struct mgmt_pending_cmd *mgmt_pending_new(struct sock *sk, u16 opcode,
+ struct hci_dev *hdev,
+ void *data, u16 len);
void mgmt_pending_free(struct mgmt_pending_cmd *cmd);
void mgmt_pending_remove(struct mgmt_pending_cmd *cmd);
struct list_head handle_map;
__u16 pending_add_handle;
__u16 pending_remove_handle;
- __u8 reregistering;
+ __u8 resuming;
__u8 suspending;
__u8 filter_enabled;
};
return false;
}
-/* This function requires the caller holds hdev->lock */
static void reregister_monitor(struct hci_dev *hdev, int handle)
{
struct adv_monitor *monitor;
while (1) {
monitor = idr_get_next(&hdev->adv_monitors_idr, &handle);
if (!monitor) {
- /* All monitors have been reregistered */
- msft->reregistering = false;
- hci_update_background_scan(hdev);
+ /* All monitors have been resumed */
+ msft->resuming = false;
+ hci_update_passive_scan(hdev);
return;
}
}
}
-/* This function requires the caller holds hdev->lock */
-static void remove_monitor_on_suspend(struct hci_dev *hdev, int handle)
+/* is_mgmt = true matches the handle exposed to userspace via mgmt.
+ * is_mgmt = false matches the handle used by the msft controller.
+ * This function requires the caller holds hdev->lock
+ */
+static struct msft_monitor_advertisement_handle_data *msft_find_handle_data
+ (struct hci_dev *hdev, u16 handle, bool is_mgmt)
+{
+ struct msft_monitor_advertisement_handle_data *entry;
+ struct msft_data *msft = hdev->msft_data;
+
+ list_for_each_entry(entry, &msft->handle_map, list) {
+ if (is_mgmt && entry->mgmt_handle == handle)
+ return entry;
+ if (!is_mgmt && entry->msft_handle == handle)
+ return entry;
+ }
+
+ return NULL;
+}
+
+static void msft_le_monitor_advertisement_cb(struct hci_dev *hdev,
+ u8 status, u16 opcode,
+ struct sk_buff *skb)
+{
+ struct msft_rp_le_monitor_advertisement *rp;
+ struct adv_monitor *monitor;
+ struct msft_monitor_advertisement_handle_data *handle_data;
+ struct msft_data *msft = hdev->msft_data;
+
+ hci_dev_lock(hdev);
+
+ monitor = idr_find(&hdev->adv_monitors_idr, msft->pending_add_handle);
+ if (!monitor) {
+ bt_dev_err(hdev, "msft add advmon: monitor %u is not found!",
+ msft->pending_add_handle);
+ status = HCI_ERROR_UNSPECIFIED;
+ goto unlock;
+ }
+
+ if (status)
+ goto unlock;
+
+ rp = (struct msft_rp_le_monitor_advertisement *)skb->data;
+ if (skb->len < sizeof(*rp)) {
+ status = HCI_ERROR_UNSPECIFIED;
+ goto unlock;
+ }
+
+ handle_data = kmalloc(sizeof(*handle_data), GFP_KERNEL);
+ if (!handle_data) {
+ status = HCI_ERROR_UNSPECIFIED;
+ goto unlock;
+ }
+
+ handle_data->mgmt_handle = monitor->handle;
+ handle_data->msft_handle = rp->handle;
+ INIT_LIST_HEAD(&handle_data->list);
+ list_add(&handle_data->list, &msft->handle_map);
+
+ monitor->state = ADV_MONITOR_STATE_OFFLOADED;
+
+unlock:
+ if (status && monitor)
+ hci_free_adv_monitor(hdev, monitor);
+
+ hci_dev_unlock(hdev);
+
+ if (!msft->resuming)
+ hci_add_adv_patterns_monitor_complete(hdev, status);
+}
+
+static void msft_le_cancel_monitor_advertisement_cb(struct hci_dev *hdev,
+ u8 status, u16 opcode,
+ struct sk_buff *skb)
{
+ struct msft_cp_le_cancel_monitor_advertisement *cp;
+ struct msft_rp_le_cancel_monitor_advertisement *rp;
struct adv_monitor *monitor;
+ struct msft_monitor_advertisement_handle_data *handle_data;
struct msft_data *msft = hdev->msft_data;
int err;
+ bool pending;
- while (1) {
- monitor = idr_get_next(&hdev->adv_monitors_idr, &handle);
- if (!monitor) {
- /* All monitors have been removed */
- msft->suspending = false;
- hci_update_background_scan(hdev);
+ if (status)
+ goto done;
+
+ rp = (struct msft_rp_le_cancel_monitor_advertisement *)skb->data;
+ if (skb->len < sizeof(*rp)) {
+ status = HCI_ERROR_UNSPECIFIED;
+ goto done;
+ }
+
+ hci_dev_lock(hdev);
+
+ cp = hci_sent_cmd_data(hdev, hdev->msft_opcode);
+ handle_data = msft_find_handle_data(hdev, cp->handle, false);
+
+ if (handle_data) {
+ monitor = idr_find(&hdev->adv_monitors_idr,
+ handle_data->mgmt_handle);
+
+ if (monitor && monitor->state == ADV_MONITOR_STATE_OFFLOADED)
+ monitor->state = ADV_MONITOR_STATE_REGISTERED;
+
+ /* Do not free the monitor if it is being removed due to
+ * suspend. It will be re-monitored on resume.
+ */
+ if (monitor && !msft->suspending)
+ hci_free_adv_monitor(hdev, monitor);
+
+ list_del(&handle_data->list);
+ kfree(handle_data);
+ }
+
+ /* If remove all monitors is required, we need to continue the process
+ * here because the earlier it was paused when waiting for the
+ * response from controller.
+ */
+ if (msft->pending_remove_handle == 0) {
+ pending = hci_remove_all_adv_monitor(hdev, &err);
+ if (pending) {
+ hci_dev_unlock(hdev);
return;
}
- msft->pending_remove_handle = (u16)handle;
- err = __msft_remove_monitor(hdev, monitor, handle);
+ if (err)
+ status = HCI_ERROR_UNSPECIFIED;
+ }
- /* If success, return and wait for monitor removed callback */
- if (!err)
- return;
+ hci_dev_unlock(hdev);
+
+done:
+ if (!msft->suspending)
+ hci_remove_adv_monitor_complete(hdev, status);
+}
+
+static int msft_remove_monitor_sync(struct hci_dev *hdev,
+ struct adv_monitor *monitor)
+{
+ struct msft_cp_le_cancel_monitor_advertisement cp;
+ struct msft_monitor_advertisement_handle_data *handle_data;
+ struct sk_buff *skb;
+ u8 status;
+
+ handle_data = msft_find_handle_data(hdev, monitor->handle, true);
+
+ /* If no matched handle, just remove without telling controller */
+ if (!handle_data)
+ return -ENOENT;
+
+ cp.sub_opcode = MSFT_OP_LE_CANCEL_MONITOR_ADVERTISEMENT;
+ cp.handle = handle_data->msft_handle;
+
+ skb = __hci_cmd_sync(hdev, hdev->msft_opcode, sizeof(cp), &cp,
+ HCI_CMD_TIMEOUT);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ status = skb->data[0];
+ skb_pull(skb, 1);
+
+ msft_le_cancel_monitor_advertisement_cb(hdev, status, hdev->msft_opcode,
+ skb);
+
+ return status;
+}
+
+/* This function requires the caller holds hci_req_sync_lock */
+int msft_suspend_sync(struct hci_dev *hdev)
+{
+ struct msft_data *msft = hdev->msft_data;
+ struct adv_monitor *monitor;
+ int handle = 0;
+
+ if (!msft || !msft_monitor_supported(hdev))
+ return 0;
+
+ msft->suspending = true;
+
+ while (1) {
+ monitor = idr_get_next(&hdev->adv_monitors_idr, &handle);
+ if (!monitor)
+ break;
+
+ msft_remove_monitor_sync(hdev, monitor);
- /* Otherwise free the monitor and keep removing */
- hci_free_adv_monitor(hdev, monitor);
handle++;
}
+
+ /* All monitors have been removed */
+ msft->suspending = false;
+
+ return 0;
}
-/* This function requires the caller holds hdev->lock */
-void msft_suspend(struct hci_dev *hdev)
+static bool msft_monitor_rssi_valid(struct adv_monitor *monitor)
{
- struct msft_data *msft = hdev->msft_data;
+ struct adv_rssi_thresholds *r = &monitor->rssi;
- if (!msft)
- return;
+ if (r->high_threshold < MSFT_RSSI_THRESHOLD_VALUE_MIN ||
+ r->high_threshold > MSFT_RSSI_THRESHOLD_VALUE_MAX ||
+ r->low_threshold < MSFT_RSSI_THRESHOLD_VALUE_MIN ||
+ r->low_threshold > MSFT_RSSI_THRESHOLD_VALUE_MAX)
+ return false;
- if (msft_monitor_supported(hdev)) {
- msft->suspending = true;
- /* Quitely remove all monitors on suspend to avoid waking up
- * the system.
- */
- remove_monitor_on_suspend(hdev, 0);
+ /* High_threshold_timeout is not supported,
+ * once high_threshold is reached, events are immediately reported.
+ */
+ if (r->high_threshold_timeout != 0)
+ return false;
+
+ if (r->low_threshold_timeout > MSFT_RSSI_LOW_TIMEOUT_MAX)
+ return false;
+
+ /* Sampling period from 0x00 to 0xFF are all allowed */
+ return true;
+}
+
+static bool msft_monitor_pattern_valid(struct adv_monitor *monitor)
+{
+ return msft_monitor_rssi_valid(monitor);
+ /* No additional check needed for pattern-based monitor */
+}
+
+static int msft_add_monitor_sync(struct hci_dev *hdev,
+ struct adv_monitor *monitor)
+{
+ struct msft_cp_le_monitor_advertisement *cp;
+ struct msft_le_monitor_advertisement_pattern_data *pattern_data;
+ struct msft_le_monitor_advertisement_pattern *pattern;
+ struct adv_pattern *entry;
+ size_t total_size = sizeof(*cp) + sizeof(*pattern_data);
+ ptrdiff_t offset = 0;
+ u8 pattern_count = 0;
+ struct sk_buff *skb;
+ u8 status;
+
+ if (!msft_monitor_pattern_valid(monitor))
+ return -EINVAL;
+
+ list_for_each_entry(entry, &monitor->patterns, list) {
+ pattern_count++;
+ total_size += sizeof(*pattern) + entry->length;
}
+
+ cp = kmalloc(total_size, GFP_KERNEL);
+ if (!cp)
+ return -ENOMEM;
+
+ cp->sub_opcode = MSFT_OP_LE_MONITOR_ADVERTISEMENT;
+ cp->rssi_high = monitor->rssi.high_threshold;
+ cp->rssi_low = monitor->rssi.low_threshold;
+ cp->rssi_low_interval = (u8)monitor->rssi.low_threshold_timeout;
+ cp->rssi_sampling_period = monitor->rssi.sampling_period;
+
+ cp->cond_type = MSFT_MONITOR_ADVERTISEMENT_TYPE_PATTERN;
+
+ pattern_data = (void *)cp->data;
+ pattern_data->count = pattern_count;
+
+ list_for_each_entry(entry, &monitor->patterns, list) {
+ pattern = (void *)(pattern_data->data + offset);
+ /* the length also includes data_type and offset */
+ pattern->length = entry->length + 2;
+ pattern->data_type = entry->ad_type;
+ pattern->start_byte = entry->offset;
+ memcpy(pattern->pattern, entry->value, entry->length);
+ offset += sizeof(*pattern) + entry->length;
+ }
+
+ skb = __hci_cmd_sync(hdev, hdev->msft_opcode, total_size, cp,
+ HCI_CMD_TIMEOUT);
+ kfree(cp);
+
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ status = skb->data[0];
+ skb_pull(skb, 1);
+
+ msft_le_monitor_advertisement_cb(hdev, status, hdev->msft_opcode, skb);
+
+ return status;
}
-/* This function requires the caller holds hdev->lock */
-void msft_resume(struct hci_dev *hdev)
+/* This function requires the caller holds hci_req_sync_lock */
+int msft_resume_sync(struct hci_dev *hdev)
{
struct msft_data *msft = hdev->msft_data;
+ struct adv_monitor *monitor;
+ int handle = 0;
- if (!msft)
- return;
+ if (!msft || !msft_monitor_supported(hdev))
+ return 0;
- if (msft_monitor_supported(hdev)) {
- msft->reregistering = true;
- /* Monitors are removed on suspend, so we need to add all
- * monitors on resume.
- */
- reregister_monitor(hdev, 0);
+ msft->resuming = true;
+
+ while (1) {
+ monitor = idr_get_next(&hdev->adv_monitors_idr, &handle);
+ if (!monitor)
+ break;
+
+ msft_add_monitor_sync(hdev, monitor);
+
+ handle++;
}
+
+ /* All monitors have been resumed */
+ msft->resuming = false;
+
+ return 0;
}
void msft_do_open(struct hci_dev *hdev)
}
if (msft_monitor_supported(hdev)) {
- msft->reregistering = true;
+ msft->resuming = true;
msft_set_filter_enable(hdev, true);
/* Monitors get removed on power off, so we need to explicitly
* tell the controller to re-monitor.
return msft ? msft->features : 0;
}
-/* is_mgmt = true matches the handle exposed to userspace via mgmt.
- * is_mgmt = false matches the handle used by the msft controller.
- * This function requires the caller holds hdev->lock
- */
-static struct msft_monitor_advertisement_handle_data *msft_find_handle_data
- (struct hci_dev *hdev, u16 handle, bool is_mgmt)
-{
- struct msft_monitor_advertisement_handle_data *entry;
- struct msft_data *msft = hdev->msft_data;
-
- list_for_each_entry(entry, &msft->handle_map, list) {
- if (is_mgmt && entry->mgmt_handle == handle)
- return entry;
- if (!is_mgmt && entry->msft_handle == handle)
- return entry;
- }
-
- return NULL;
-}
-
-static void msft_le_monitor_advertisement_cb(struct hci_dev *hdev,
- u8 status, u16 opcode,
- struct sk_buff *skb)
-{
- struct msft_rp_le_monitor_advertisement *rp;
- struct adv_monitor *monitor;
- struct msft_monitor_advertisement_handle_data *handle_data;
- struct msft_data *msft = hdev->msft_data;
-
- hci_dev_lock(hdev);
-
- monitor = idr_find(&hdev->adv_monitors_idr, msft->pending_add_handle);
- if (!monitor) {
- bt_dev_err(hdev, "msft add advmon: monitor %u is not found!",
- msft->pending_add_handle);
- status = HCI_ERROR_UNSPECIFIED;
- goto unlock;
- }
-
- if (status)
- goto unlock;
-
- rp = (struct msft_rp_le_monitor_advertisement *)skb->data;
- if (skb->len < sizeof(*rp)) {
- status = HCI_ERROR_UNSPECIFIED;
- goto unlock;
- }
-
- handle_data = kmalloc(sizeof(*handle_data), GFP_KERNEL);
- if (!handle_data) {
- status = HCI_ERROR_UNSPECIFIED;
- goto unlock;
- }
-
- handle_data->mgmt_handle = monitor->handle;
- handle_data->msft_handle = rp->handle;
- INIT_LIST_HEAD(&handle_data->list);
- list_add(&handle_data->list, &msft->handle_map);
-
- monitor->state = ADV_MONITOR_STATE_OFFLOADED;
-
-unlock:
- if (status && monitor)
- hci_free_adv_monitor(hdev, monitor);
-
- /* If in restart/reregister sequence, keep registering. */
- if (msft->reregistering)
- reregister_monitor(hdev, msft->pending_add_handle + 1);
-
- hci_dev_unlock(hdev);
-
- if (!msft->reregistering)
- hci_add_adv_patterns_monitor_complete(hdev, status);
-}
-
-static void msft_le_cancel_monitor_advertisement_cb(struct hci_dev *hdev,
- u8 status, u16 opcode,
- struct sk_buff *skb)
-{
- struct msft_cp_le_cancel_monitor_advertisement *cp;
- struct msft_rp_le_cancel_monitor_advertisement *rp;
- struct adv_monitor *monitor;
- struct msft_monitor_advertisement_handle_data *handle_data;
- struct msft_data *msft = hdev->msft_data;
- int err;
- bool pending;
-
- if (status)
- goto done;
-
- rp = (struct msft_rp_le_cancel_monitor_advertisement *)skb->data;
- if (skb->len < sizeof(*rp)) {
- status = HCI_ERROR_UNSPECIFIED;
- goto done;
- }
-
- hci_dev_lock(hdev);
-
- cp = hci_sent_cmd_data(hdev, hdev->msft_opcode);
- handle_data = msft_find_handle_data(hdev, cp->handle, false);
-
- if (handle_data) {
- monitor = idr_find(&hdev->adv_monitors_idr,
- handle_data->mgmt_handle);
-
- if (monitor && monitor->state == ADV_MONITOR_STATE_OFFLOADED)
- monitor->state = ADV_MONITOR_STATE_REGISTERED;
-
- /* Do not free the monitor if it is being removed due to
- * suspend. It will be re-monitored on resume.
- */
- if (monitor && !msft->suspending)
- hci_free_adv_monitor(hdev, monitor);
-
- list_del(&handle_data->list);
- kfree(handle_data);
- }
-
- /* If in suspend/remove sequence, keep removing. */
- if (msft->suspending)
- remove_monitor_on_suspend(hdev,
- msft->pending_remove_handle + 1);
-
- /* If remove all monitors is required, we need to continue the process
- * here because the earlier it was paused when waiting for the
- * response from controller.
- */
- if (msft->pending_remove_handle == 0) {
- pending = hci_remove_all_adv_monitor(hdev, &err);
- if (pending) {
- hci_dev_unlock(hdev);
- return;
- }
-
- if (err)
- status = HCI_ERROR_UNSPECIFIED;
- }
-
- hci_dev_unlock(hdev);
-
-done:
- if (!msft->suspending)
- hci_remove_adv_monitor_complete(hdev, status);
-}
-
static void msft_le_set_advertisement_filter_enable_cb(struct hci_dev *hdev,
u8 status, u16 opcode,
struct sk_buff *skb)
hci_dev_unlock(hdev);
}
-static bool msft_monitor_rssi_valid(struct adv_monitor *monitor)
-{
- struct adv_rssi_thresholds *r = &monitor->rssi;
-
- if (r->high_threshold < MSFT_RSSI_THRESHOLD_VALUE_MIN ||
- r->high_threshold > MSFT_RSSI_THRESHOLD_VALUE_MAX ||
- r->low_threshold < MSFT_RSSI_THRESHOLD_VALUE_MIN ||
- r->low_threshold > MSFT_RSSI_THRESHOLD_VALUE_MAX)
- return false;
-
- /* High_threshold_timeout is not supported,
- * once high_threshold is reached, events are immediately reported.
- */
- if (r->high_threshold_timeout != 0)
- return false;
-
- if (r->low_threshold_timeout > MSFT_RSSI_LOW_TIMEOUT_MAX)
- return false;
-
- /* Sampling period from 0x00 to 0xFF are all allowed */
- return true;
-}
-
-static bool msft_monitor_pattern_valid(struct adv_monitor *monitor)
-{
- return msft_monitor_rssi_valid(monitor);
- /* No additional check needed for pattern-based monitor */
-}
-
/* This function requires the caller holds hdev->lock */
static int __msft_add_monitor_pattern(struct hci_dev *hdev,
struct adv_monitor *monitor)
if (!msft)
return -EOPNOTSUPP;
- if (msft->reregistering || msft->suspending)
+ if (msft->resuming || msft->suspending)
return -EBUSY;
return __msft_add_monitor_pattern(hdev, monitor);
if (!msft)
return -EOPNOTSUPP;
- if (msft->reregistering || msft->suspending)
+ if (msft->resuming || msft->suspending)
return -EBUSY;
return __msft_remove_monitor(hdev, monitor, handle);
u16 handle);
void msft_req_add_set_filter_enable(struct hci_request *req, bool enable);
int msft_set_filter_enable(struct hci_dev *hdev, bool enable);
-void msft_suspend(struct hci_dev *hdev);
-void msft_resume(struct hci_dev *hdev);
+int msft_suspend_sync(struct hci_dev *hdev);
+int msft_resume_sync(struct hci_dev *hdev);
bool msft_curve_validity(struct hci_dev *hdev);
#else
return -EOPNOTSUPP;
}
-static inline void msft_suspend(struct hci_dev *hdev) {}
-static inline void msft_resume(struct hci_dev *hdev) {}
+static inline int msft_suspend_sync(struct hci_dev *hdev)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int msft_resume_sync(struct hci_dev *hdev)
+{
+ return -EOPNOTSUPP;
+}
static inline bool msft_curve_validity(struct hci_dev *hdev)
{
projects / linux-2.6-microblaze.git / commitdiff