1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Common private data for Silicon Labs WFx chips.
5 * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
6 * Copyright (c) 2010, ST-Ericsson
7 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
8 * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
13 #include <linux/completion.h>
14 #include <linux/workqueue.h>
15 #include <linux/mutex.h>
16 #include <linux/nospec.h>
17 #include <net/mac80211.h>
25 #define USEC_PER_TXOP 32 // see struct ieee80211_tx_queue_params
26 #define USEC_PER_TU 1024
31 struct wfx_platform_data pdata;
33 struct ieee80211_hw *hw;
34 struct ieee80211_vif *vif[2];
35 struct mac_address addresses[2];
36 const struct hwbus_ops *hwbus_ops;
40 struct completion firmware_ready;
41 struct hif_ind_startup hw_caps;
43 struct delayed_work cooling_timeout_work;
46 struct mutex conf_mutex;
48 struct wfx_hif_cmd hif_cmd;
49 struct sk_buff_head tx_pending;
50 wait_queue_head_t tx_dequeue;
56 struct hif_rx_stats rx_stats;
57 struct mutex rx_stats_lock;
58 struct hif_tx_power_loop_info tx_power_loop_info;
59 struct mutex tx_power_loop_info_lock;
65 struct ieee80211_vif *vif;
66 struct ieee80211_channel *channel;
71 bool after_dtim_tx_allowed;
72 bool join_in_progress;
74 struct delayed_work beacon_loss_work;
76 struct wfx_queue tx_queue[4];
77 struct tx_policy_cache tx_policy_cache;
78 struct work_struct tx_policy_upload_work;
80 struct work_struct update_tim_work;
82 unsigned long uapsd_mask;
84 /* avoid some operations in parallel with scan */
85 struct mutex scan_lock;
86 struct work_struct scan_work;
87 struct completion scan_complete;
89 struct ieee80211_scan_request *scan_req;
91 struct completion set_pm_mode_complete;
94 static inline struct wfx_vif *wdev_to_wvif(struct wfx_dev *wdev, int vif_id)
96 if (vif_id >= ARRAY_SIZE(wdev->vif)) {
97 dev_dbg(wdev->dev, "requesting non-existent vif: %d\n", vif_id);
100 vif_id = array_index_nospec(vif_id, ARRAY_SIZE(wdev->vif));
101 if (!wdev->vif[vif_id]) {
102 dev_dbg(wdev->dev, "requesting non-allocated vif: %d\n",
106 return (struct wfx_vif *) wdev->vif[vif_id]->drv_priv;
109 static inline struct wfx_vif *wvif_iterate(struct wfx_dev *wdev,
118 for (i = 0; i < ARRAY_SIZE(wdev->vif); i++) {
119 tmp = wdev_to_wvif(wdev, i);
128 static inline int wvif_count(struct wfx_dev *wdev)
132 struct wfx_vif *wvif;
134 for (i = 0; i < ARRAY_SIZE(wdev->vif); i++) {
135 wvif = wdev_to_wvif(wdev, i);
142 static inline void memreverse(u8 *src, u8 length)
145 u8 *hi = src + length - 1;
155 static inline int memzcmp(void *src, unsigned int size)
163 return memcmp(buf, buf + 1, size - 1);