1 #include "wilc_wfi_cfgoperations.h"
2 #include "wilc_wlan_if.h"
5 #include <linux/slab.h>
6 #include <linux/sched.h>
7 #include <linux/delay.h>
8 #include <linux/workqueue.h>
9 #include <linux/interrupt.h>
10 #include <linux/irq.h>
11 #include <linux/gpio.h>
13 #include <linux/kthread.h>
14 #include <linux/firmware.h>
16 #include <linux/init.h>
17 #include <linux/netdevice.h>
18 #include <linux/inetdevice.h>
19 #include <linux/etherdevice.h>
20 #include <linux/module.h>
21 #include <linux/kernel.h>
22 #include <linux/skbuff.h>
23 #include <linux/mutex.h>
24 #include <linux/completion.h>
26 static int dev_state_ev_handler(struct notifier_block *this,
27 unsigned long event, void *ptr);
29 static struct notifier_block g_dev_notifier = {
30 .notifier_call = dev_state_ev_handler
33 static int wlan_deinit_locks(struct net_device *dev);
34 static void wlan_deinitialize_threads(struct net_device *dev);
36 static void linux_wlan_tx_complete(void *priv, int status);
37 static int mac_init_fn(struct net_device *ndev);
38 static struct net_device_stats *mac_stats(struct net_device *dev);
39 static int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd);
40 static int wilc_mac_open(struct net_device *ndev);
41 static int wilc_mac_close(struct net_device *ndev);
42 static void wilc_set_multicast_list(struct net_device *dev);
44 bool wilc_enable_ps = true;
46 static const struct net_device_ops wilc_netdev_ops = {
47 .ndo_init = mac_init_fn,
48 .ndo_open = wilc_mac_open,
49 .ndo_stop = wilc_mac_close,
50 .ndo_start_xmit = wilc_mac_xmit,
51 .ndo_do_ioctl = mac_ioctl,
52 .ndo_get_stats = mac_stats,
53 .ndo_set_rx_mode = wilc_set_multicast_list,
57 static int dev_state_ev_handler(struct notifier_block *this,
58 unsigned long event, void *ptr)
60 struct in_ifaddr *dev_iface = ptr;
61 struct wilc_priv *priv;
62 struct host_if_drv *hif_drv;
63 struct net_device *dev;
67 char wlan_dev_name[5] = "wlan0";
69 if (!dev_iface || !dev_iface->ifa_dev || !dev_iface->ifa_dev->dev)
72 if (memcmp(dev_iface->ifa_label, "wlan0", 5) &&
73 memcmp(dev_iface->ifa_label, "p2p0", 4))
76 dev = (struct net_device *)dev_iface->ifa_dev->dev;
77 if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
80 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
84 hif_drv = (struct host_if_drv *)priv->hif_drv;
85 vif = netdev_priv(dev);
91 if (vif->iftype == STATION_MODE || vif->iftype == CLIENT_MODE) {
93 wilc_optaining_ip = false;
94 del_timer(&wilc_during_ip_timer);
98 wilc_set_power_mgmt(vif, 1, 0);
100 netdev_dbg(dev, "[%s] Up IP\n", dev_iface->ifa_label);
102 ip_addr_buf = (char *)&dev_iface->ifa_address;
103 netdev_dbg(dev, "IP add=%d:%d:%d:%d\n",
104 ip_addr_buf[0], ip_addr_buf[1],
105 ip_addr_buf[2], ip_addr_buf[3]);
106 wilc_setup_ipaddress(vif, ip_addr_buf, vif->idx);
111 if (vif->iftype == STATION_MODE || vif->iftype == CLIENT_MODE) {
113 wilc_optaining_ip = false;
116 if (memcmp(dev_iface->ifa_label, wlan_dev_name, 5) == 0)
117 wilc_set_power_mgmt(vif, 0, 0);
119 wilc_resolve_disconnect_aberration(vif);
121 netdev_dbg(dev, "[%s] Down IP\n", dev_iface->ifa_label);
123 ip_addr_buf = null_ip;
124 netdev_dbg(dev, "IP add=%d:%d:%d:%d\n",
125 ip_addr_buf[0], ip_addr_buf[1],
126 ip_addr_buf[2], ip_addr_buf[3]);
128 wilc_setup_ipaddress(vif, ip_addr_buf, vif->idx);
139 static irqreturn_t isr_uh_routine(int irq, void *user_data)
141 struct wilc_vif *vif;
143 struct net_device *dev = user_data;
145 vif = netdev_priv(dev);
149 netdev_err(dev, "Can't handle UH interrupt\n");
152 return IRQ_WAKE_THREAD;
155 static irqreturn_t isr_bh_routine(int irq, void *userdata)
157 struct wilc_vif *vif;
159 struct net_device *dev = userdata;
161 vif = netdev_priv(userdata);
165 netdev_err(dev, "Can't handle BH interrupt\n");
169 wilc_handle_isr(wilc);
174 static int init_irq(struct net_device *dev)
177 struct wilc_vif *vif;
180 vif = netdev_priv(dev);
183 if ((gpio_request(wl->gpio, "WILC_INTR") == 0) &&
184 (gpio_direction_input(wl->gpio) == 0)) {
185 wl->dev_irq_num = gpio_to_irq(wl->gpio);
188 netdev_err(dev, "could not obtain gpio for WILC_INTR\n");
191 if (ret != -1 && request_threaded_irq(wl->dev_irq_num,
194 IRQF_TRIGGER_LOW | IRQF_ONESHOT,
195 "WILC_IRQ", dev) < 0) {
196 netdev_err(dev, "Failed to request IRQ GPIO: %d\n", wl->gpio);
201 "IRQ request succeeded IRQ-NUM= %d on GPIO: %d\n",
202 wl->dev_irq_num, wl->gpio);
208 static void deinit_irq(struct net_device *dev)
210 struct wilc_vif *vif;
213 vif = netdev_priv(dev);
216 /* Deinitialize IRQ */
217 if (wilc->dev_irq_num) {
218 free_irq(wilc->dev_irq_num, wilc);
219 gpio_free(wilc->gpio);
223 void wilc_mac_indicate(struct wilc *wilc, int flag)
227 if (flag == WILC_MAC_INDICATE_STATUS) {
228 wilc_wlan_cfg_get_val(WID_STATUS,
229 (unsigned char *)&status, 4);
230 if (wilc->mac_status == WILC_MAC_STATUS_INIT) {
231 wilc->mac_status = status;
232 complete(&wilc->sync_event);
234 wilc->mac_status = status;
239 static struct net_device *get_if_handler(struct wilc *wilc, u8 *mac_header)
244 bssid = mac_header + 10;
245 bssid1 = mac_header + 4;
247 for (i = 0; i < wilc->vif_num; i++) {
248 if (wilc->vif[i]->mode == STATION_MODE)
249 if (ether_addr_equal_unaligned(bssid,
250 wilc->vif[i]->bssid))
251 return wilc->vif[i]->ndev;
252 if (wilc->vif[i]->mode == AP_MODE)
253 if (ether_addr_equal_unaligned(bssid1,
254 wilc->vif[i]->bssid))
255 return wilc->vif[i]->ndev;
261 int wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode)
263 struct wilc_vif *vif = netdev_priv(wilc_netdev);
265 memcpy(vif->bssid, bssid, 6);
271 int wilc_wlan_get_num_conn_ifcs(struct wilc *wilc)
274 u8 null_bssid[6] = {0};
277 for (i = 0; i < wilc->vif_num; i++)
278 if (memcmp(wilc->vif[i]->bssid, null_bssid, 6))
284 static int linux_wlan_txq_task(void *vp)
287 struct wilc_vif *vif;
289 struct net_device *dev = vp;
291 vif = netdev_priv(dev);
294 complete(&wl->txq_thread_started);
296 wait_for_completion(&wl->txq_event);
299 complete(&wl->txq_thread_started);
301 while (!kthread_should_stop())
306 ret = wilc_wlan_handle_txq(dev, &txq_count);
307 if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD) {
308 if (netif_queue_stopped(wl->vif[0]->ndev))
309 netif_wake_queue(wl->vif[0]->ndev);
310 if (netif_queue_stopped(wl->vif[1]->ndev))
311 netif_wake_queue(wl->vif[1]->ndev);
313 } while (ret == WILC_TX_ERR_NO_BUF && !wl->close);
318 int wilc_wlan_get_firmware(struct net_device *dev)
320 struct wilc_vif *vif;
322 int chip_id, ret = 0;
323 const struct firmware *wilc_firmware;
326 vif = netdev_priv(dev);
329 chip_id = wilc_get_chipid(wilc, false);
331 if (chip_id < 0x1003a0)
332 firmware = FIRMWARE_1002;
334 firmware = FIRMWARE_1003;
336 netdev_info(dev, "loading firmware %s\n", firmware);
338 if (!(&vif->ndev->dev))
341 if (request_firmware(&wilc_firmware, firmware, wilc->dev) != 0) {
342 netdev_err(dev, "%s - firmware not available\n", firmware);
346 wilc->firmware = wilc_firmware;
353 static int linux_wlan_start_firmware(struct net_device *dev)
355 struct wilc_vif *vif;
359 vif = netdev_priv(dev);
362 ret = wilc_wlan_start(wilc);
366 if (!wait_for_completion_timeout(&wilc->sync_event,
367 msecs_to_jiffies(5000)))
373 static int wilc1000_firmware_download(struct net_device *dev)
375 struct wilc_vif *vif;
379 vif = netdev_priv(dev);
382 if (!wilc->firmware) {
383 netdev_err(dev, "Firmware buffer is NULL\n");
387 ret = wilc_wlan_firmware_download(wilc, wilc->firmware->data,
388 wilc->firmware->size);
392 release_firmware(wilc->firmware);
393 wilc->firmware = NULL;
395 netdev_dbg(dev, "Download Succeeded\n");
400 static int linux_wlan_init_test_config(struct net_device *dev,
401 struct wilc_vif *vif)
403 unsigned char c_val[64];
404 struct wilc *wilc = vif->wilc;
405 struct wilc_priv *priv;
406 struct host_if_drv *hif_drv;
408 netdev_dbg(dev, "Start configuring Firmware\n");
409 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
410 hif_drv = (struct host_if_drv *)priv->hif_drv;
411 netdev_dbg(dev, "Host = %p\n", hif_drv);
412 wilc_get_chipid(wilc, false);
416 if (!wilc_wlan_cfg_set(vif, 1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0))
420 if (!wilc_wlan_cfg_set(vif, 0, WID_PC_TEST_MODE, c_val, 1, 0, 0))
423 c_val[0] = INFRASTRUCTURE;
424 if (!wilc_wlan_cfg_set(vif, 0, WID_BSS_TYPE, c_val, 1, 0, 0))
427 c_val[0] = RATE_AUTO;
428 if (!wilc_wlan_cfg_set(vif, 0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0))
431 c_val[0] = G_MIXED_11B_2_MODE;
432 if (!wilc_wlan_cfg_set(vif, 0, WID_11G_OPERATING_MODE, c_val, 1, 0,
437 if (!wilc_wlan_cfg_set(vif, 0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0))
440 c_val[0] = G_SHORT_PREAMBLE;
441 if (!wilc_wlan_cfg_set(vif, 0, WID_PREAMBLE, c_val, 1, 0, 0))
444 c_val[0] = AUTO_PROT;
445 if (!wilc_wlan_cfg_set(vif, 0, WID_11N_PROT_MECH, c_val, 1, 0, 0))
448 c_val[0] = ACTIVE_SCAN;
449 if (!wilc_wlan_cfg_set(vif, 0, WID_SCAN_TYPE, c_val, 1, 0, 0))
452 c_val[0] = SITE_SURVEY_OFF;
453 if (!wilc_wlan_cfg_set(vif, 0, WID_SITE_SURVEY, c_val, 1, 0, 0))
456 *((int *)c_val) = 0xffff;
457 if (!wilc_wlan_cfg_set(vif, 0, WID_RTS_THRESHOLD, c_val, 2, 0, 0))
460 *((int *)c_val) = 2346;
461 if (!wilc_wlan_cfg_set(vif, 0, WID_FRAG_THRESHOLD, c_val, 2, 0, 0))
465 if (!wilc_wlan_cfg_set(vif, 0, WID_BCAST_SSID, c_val, 1, 0, 0))
469 if (!wilc_wlan_cfg_set(vif, 0, WID_QOS_ENABLE, c_val, 1, 0, 0))
472 c_val[0] = NO_POWERSAVE;
473 if (!wilc_wlan_cfg_set(vif, 0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0))
476 c_val[0] = NO_SECURITY; /* NO_ENCRYPT, 0x79 */
477 if (!wilc_wlan_cfg_set(vif, 0, WID_11I_MODE, c_val, 1, 0, 0))
480 c_val[0] = OPEN_SYSTEM;
481 if (!wilc_wlan_cfg_set(vif, 0, WID_AUTH_TYPE, c_val, 1, 0, 0))
484 strcpy(c_val, "123456790abcdef1234567890");
485 if (!wilc_wlan_cfg_set(vif, 0, WID_WEP_KEY_VALUE, c_val,
486 (strlen(c_val) + 1), 0, 0))
489 strcpy(c_val, "12345678");
490 if (!wilc_wlan_cfg_set(vif, 0, WID_11I_PSK, c_val, (strlen(c_val)), 0,
494 strcpy(c_val, "password");
495 if (!wilc_wlan_cfg_set(vif, 0, WID_1X_KEY, c_val, (strlen(c_val) + 1),
503 if (!wilc_wlan_cfg_set(vif, 0, WID_1X_SERV_ADDR, c_val, 4, 0, 0))
507 if (!wilc_wlan_cfg_set(vif, 0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0))
511 if (!wilc_wlan_cfg_set(vif, 0, WID_DTIM_PERIOD, c_val, 1, 0, 0))
514 c_val[0] = NORMAL_ACK;
515 if (!wilc_wlan_cfg_set(vif, 0, WID_ACK_POLICY, c_val, 1, 0, 0))
519 if (!wilc_wlan_cfg_set(vif, 0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1,
524 if (!wilc_wlan_cfg_set(vif, 0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0,
529 if (!wilc_wlan_cfg_set(vif, 0, WID_TX_POWER_LEVEL_11B, c_val, 1, 0,
533 *((int *)c_val) = 100;
534 if (!wilc_wlan_cfg_set(vif, 0, WID_BEACON_INTERVAL, c_val, 2, 0, 0))
537 c_val[0] = REKEY_DISABLE;
538 if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_POLICY, c_val, 1, 0, 0))
541 *((int *)c_val) = 84600;
542 if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_PERIOD, c_val, 4, 0, 0))
545 *((int *)c_val) = 500;
546 if (!wilc_wlan_cfg_set(vif, 0, WID_REKEY_PACKET_COUNT, c_val, 4, 0,
551 if (!wilc_wlan_cfg_set(vif, 0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0,
555 c_val[0] = G_SELF_CTS_PROT;
556 if (!wilc_wlan_cfg_set(vif, 0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0))
560 if (!wilc_wlan_cfg_set(vif, 0, WID_11N_ENABLE, c_val, 1, 0, 0))
563 c_val[0] = HT_MIXED_MODE;
564 if (!wilc_wlan_cfg_set(vif, 0, WID_11N_OPERATING_MODE, c_val, 1, 0,
569 if (!wilc_wlan_cfg_set(vif, 0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0,
573 c_val[0] = DETECT_PROTECT_REPORT;
574 if (!wilc_wlan_cfg_set(vif, 0, WID_11N_OBSS_NONHT_DETECTION, c_val, 1,
578 c_val[0] = RTS_CTS_NONHT_PROT;
579 if (!wilc_wlan_cfg_set(vif, 0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0))
583 if (!wilc_wlan_cfg_set(vif, 0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0,
587 c_val[0] = MIMO_MODE;
588 if (!wilc_wlan_cfg_set(vif, 0, WID_11N_SMPS_MODE, c_val, 1, 0, 0))
592 if (!wilc_wlan_cfg_set(vif, 0, WID_11N_CURRENT_TX_MCS, c_val, 1, 0,
597 if (!wilc_wlan_cfg_set(vif, 0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1,
607 void wilc1000_wlan_deinit(struct net_device *dev)
609 struct wilc_vif *vif;
612 vif = netdev_priv(dev);
616 netdev_err(dev, "wl is NULL\n");
620 if (wl->initialized) {
621 netdev_info(dev, "Deinitializing wilc1000...\n");
623 if (!wl->dev_irq_num &&
624 wl->hif_func->disable_interrupt) {
625 mutex_lock(&wl->hif_cs);
626 wl->hif_func->disable_interrupt(wl);
627 mutex_unlock(&wl->hif_cs);
630 complete(&wl->txq_event);
632 wlan_deinitialize_threads(dev);
636 wilc_wlan_cleanup(dev);
637 wlan_deinit_locks(dev);
639 wl->initialized = false;
641 netdev_dbg(dev, "wilc1000 deinitialization Done\n");
643 netdev_dbg(dev, "wilc1000 is not initialized\n");
647 static int wlan_init_locks(struct net_device *dev)
649 struct wilc_vif *vif;
652 vif = netdev_priv(dev);
655 mutex_init(&wl->hif_cs);
656 mutex_init(&wl->rxq_cs);
658 spin_lock_init(&wl->txq_spinlock);
659 mutex_init(&wl->txq_add_to_head_cs);
661 init_completion(&wl->txq_event);
663 init_completion(&wl->cfg_event);
664 init_completion(&wl->sync_event);
665 init_completion(&wl->txq_thread_started);
670 static int wlan_deinit_locks(struct net_device *dev)
672 struct wilc_vif *vif;
675 vif = netdev_priv(dev);
679 mutex_destroy(&wilc->hif_cs);
682 mutex_destroy(&wilc->rxq_cs);
687 static int wlan_initialize_threads(struct net_device *dev)
689 struct wilc_vif *vif;
692 vif = netdev_priv(dev);
695 wilc->txq_thread = kthread_run(linux_wlan_txq_task, (void *)dev,
697 if (IS_ERR(wilc->txq_thread)) {
698 netdev_err(dev, "couldn't create TXQ thread\n");
700 return PTR_ERR(wilc->txq_thread);
702 wait_for_completion(&wilc->txq_thread_started);
707 static void wlan_deinitialize_threads(struct net_device *dev)
709 struct wilc_vif *vif;
712 vif = netdev_priv(dev);
718 complete(&wl->txq_event);
720 if (wl->txq_thread) {
721 kthread_stop(wl->txq_thread);
722 wl->txq_thread = NULL;
726 int wilc1000_wlan_init(struct net_device *dev, struct wilc_vif *vif)
729 struct wilc *wl = vif->wilc;
731 if (!wl->initialized) {
732 wl->mac_status = WILC_MAC_STATUS_INIT;
735 wlan_init_locks(dev);
737 ret = wilc_wlan_init(dev);
743 if (wl->gpio >= 0 && init_irq(dev)) {
748 ret = wlan_initialize_threads(dev);
751 goto _fail_wilc_wlan_;
754 if (!wl->dev_irq_num &&
755 wl->hif_func->enable_interrupt &&
756 wl->hif_func->enable_interrupt(wl)) {
758 goto _fail_irq_init_;
761 if (wilc_wlan_get_firmware(dev)) {
763 goto _fail_irq_enable_;
766 ret = wilc1000_firmware_download(dev);
769 goto _fail_irq_enable_;
772 ret = linux_wlan_start_firmware(dev);
775 goto _fail_irq_enable_;
778 if (wilc_wlan_cfg_get(vif, 1, WID_FIRMWARE_VERSION, 1, 0)) {
780 char firmware_ver[20];
782 size = wilc_wlan_cfg_get_val(WID_FIRMWARE_VERSION,
784 sizeof(firmware_ver));
785 firmware_ver[size] = '\0';
786 netdev_dbg(dev, "Firmware Ver = %s\n", firmware_ver);
788 ret = linux_wlan_init_test_config(dev, vif);
791 netdev_err(dev, "Failed to configure firmware\n");
793 goto _fail_fw_start_;
796 wl->initialized = true;
803 if (!wl->dev_irq_num &&
804 wl->hif_func->disable_interrupt)
805 wl->hif_func->disable_interrupt(wl);
810 wlan_deinitialize_threads(dev);
812 wilc_wlan_cleanup(dev);
814 wlan_deinit_locks(dev);
815 netdev_err(dev, "WLAN Iinitialization FAILED\n");
817 netdev_dbg(dev, "wilc1000 already initialized\n");
822 static int mac_init_fn(struct net_device *ndev)
824 netif_start_queue(ndev);
825 netif_stop_queue(ndev);
830 static int wilc_mac_open(struct net_device *ndev)
832 struct wilc_vif *vif;
834 unsigned char mac_add[ETH_ALEN] = {0};
839 vif = netdev_priv(ndev);
842 if (!wl || !wl->dev) {
843 netdev_err(ndev, "device not ready\n");
847 netdev_dbg(ndev, "MAC OPEN[%p]\n", ndev);
849 ret = wilc_init_host_int(ndev);
853 ret = wilc1000_wlan_init(ndev, vif);
855 wilc_deinit_host_int(ndev);
859 for (i = 0; i < wl->vif_num; i++) {
860 if (ndev == wl->vif[i]->ndev) {
861 wilc_set_wfi_drv_handler(vif, wilc_get_vif_idx(vif),
862 vif->iftype, vif->ifc_id);
863 wilc_set_operation_mode(vif, vif->iftype);
867 wilc_get_mac_address(vif, mac_add);
868 netdev_dbg(ndev, "Mac address: %pM\n", mac_add);
869 memcpy(wl->vif[i]->src_addr, mac_add, ETH_ALEN);
871 memcpy(ndev->dev_addr, wl->vif[i]->src_addr, ETH_ALEN);
873 if (!is_valid_ether_addr(ndev->dev_addr)) {
874 netdev_err(ndev, "Wrong MAC address\n");
875 wilc_deinit_host_int(ndev);
876 wilc1000_wlan_deinit(ndev);
880 wilc_mgmt_frame_register(vif->ndev->ieee80211_ptr->wiphy,
881 vif->ndev->ieee80211_ptr,
882 vif->frame_reg[0].type,
883 vif->frame_reg[0].reg);
884 wilc_mgmt_frame_register(vif->ndev->ieee80211_ptr->wiphy,
885 vif->ndev->ieee80211_ptr,
886 vif->frame_reg[1].type,
887 vif->frame_reg[1].reg);
888 netif_wake_queue(ndev);
894 static struct net_device_stats *mac_stats(struct net_device *dev)
896 struct wilc_vif *vif = netdev_priv(dev);
898 return &vif->netstats;
901 static void wilc_set_multicast_list(struct net_device *dev)
903 struct netdev_hw_addr *ha;
904 struct wilc_vif *vif;
907 vif = netdev_priv(dev);
909 if (dev->flags & IFF_PROMISC)
912 if ((dev->flags & IFF_ALLMULTI) ||
913 (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) {
914 wilc_setup_multicast_filter(vif, false, 0);
918 if ((dev->mc.count) == 0) {
919 wilc_setup_multicast_filter(vif, true, 0);
923 netdev_for_each_mc_addr(ha, dev) {
924 memcpy(wilc_multicast_mac_addr_list[i], ha->addr, ETH_ALEN);
925 netdev_dbg(dev, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i,
926 wilc_multicast_mac_addr_list[i][0],
927 wilc_multicast_mac_addr_list[i][1],
928 wilc_multicast_mac_addr_list[i][2],
929 wilc_multicast_mac_addr_list[i][3],
930 wilc_multicast_mac_addr_list[i][4],
931 wilc_multicast_mac_addr_list[i][5]);
935 wilc_setup_multicast_filter(vif, true, (dev->mc.count));
938 static void linux_wlan_tx_complete(void *priv, int status)
940 struct tx_complete_data *pv_data = priv;
942 dev_kfree_skb(pv_data->skb);
946 int wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev)
948 struct wilc_vif *vif;
949 struct tx_complete_data *tx_data = NULL;
953 struct ethhdr *eth_h;
956 vif = netdev_priv(ndev);
959 if (skb->dev != ndev) {
960 netdev_err(ndev, "Packet not destined to this device\n");
964 tx_data = kmalloc(sizeof(*tx_data), GFP_ATOMIC);
967 netif_wake_queue(ndev);
971 tx_data->buff = skb->data;
972 tx_data->size = skb->len;
975 eth_h = (struct ethhdr *)(skb->data);
976 if (eth_h->h_proto == cpu_to_be16(0x8e88))
977 netdev_dbg(ndev, "EAPOL transmitted\n");
979 ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
981 udp_buf = (char *)ih + sizeof(struct iphdr);
982 if ((udp_buf[1] == 68 && udp_buf[3] == 67) ||
983 (udp_buf[1] == 67 && udp_buf[3] == 68))
984 netdev_dbg(ndev, "DHCP Message transmitted, type:%x %x %x\n",
985 udp_buf[248], udp_buf[249], udp_buf[250]);
987 vif->netstats.tx_packets++;
988 vif->netstats.tx_bytes += tx_data->size;
989 tx_data->bssid = wilc->vif[vif->idx]->bssid;
990 queue_count = wilc_wlan_txq_add_net_pkt(ndev, (void *)tx_data,
991 tx_data->buff, tx_data->size,
992 linux_wlan_tx_complete);
994 if (queue_count > FLOW_CONTROL_UPPER_THRESHOLD) {
995 netif_stop_queue(wilc->vif[0]->ndev);
996 netif_stop_queue(wilc->vif[1]->ndev);
1002 static int wilc_mac_close(struct net_device *ndev)
1004 struct wilc_priv *priv;
1005 struct wilc_vif *vif;
1006 struct host_if_drv *hif_drv;
1009 vif = netdev_priv(ndev);
1011 if (!vif || !vif->ndev || !vif->ndev->ieee80211_ptr ||
1012 !vif->ndev->ieee80211_ptr->wiphy)
1015 priv = wiphy_priv(vif->ndev->ieee80211_ptr->wiphy);
1021 hif_drv = (struct host_if_drv *)priv->hif_drv;
1023 netdev_dbg(ndev, "Mac close\n");
1031 if ((wl->open_ifcs) > 0)
1037 netif_stop_queue(vif->ndev);
1039 wilc_deinit_host_int(vif->ndev);
1042 if (wl->open_ifcs == 0) {
1043 netdev_dbg(ndev, "Deinitializing wilc1000\n");
1045 wilc1000_wlan_deinit(ndev);
1046 WILC_WFI_deinit_mon_interface();
1049 vif->mac_opened = 0;
1054 static int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
1059 struct wilc_vif *vif;
1063 vif = netdev_priv(ndev);
1066 if (!wilc->initialized)
1072 struct iwreq *wrq = (struct iwreq *)req;
1074 size = wrq->u.data.length;
1076 if (size && wrq->u.data.pointer) {
1077 buff = memdup_user(wrq->u.data.pointer,
1078 wrq->u.data.length);
1080 return PTR_ERR(buff);
1082 if (strncasecmp(buff, "RSSI", size) == 0) {
1083 ret = wilc_get_rssi(vif, &rssi);
1084 netdev_info(ndev, "RSSI :%d\n", rssi);
1088 snprintf(buff, size, "rssi %d", rssi);
1090 if (copy_to_user(wrq->u.data.pointer, buff, size)) {
1091 netdev_err(ndev, "failed to copy\n");
1102 netdev_info(ndev, "Command - %d - has been received\n", cmd);
1115 void wilc_frmw_to_linux(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset)
1117 unsigned int frame_len = 0;
1119 unsigned char *buff_to_send = NULL;
1120 struct sk_buff *skb;
1121 struct net_device *wilc_netdev;
1122 struct wilc_vif *vif;
1127 wilc_netdev = get_if_handler(wilc, buff);
1132 vif = netdev_priv(wilc_netdev);
1136 buff_to_send = buff;
1138 skb = dev_alloc_skb(frame_len);
1142 skb->dev = wilc_netdev;
1144 skb_put_data(skb, buff_to_send, frame_len);
1146 skb->protocol = eth_type_trans(skb, wilc_netdev);
1147 vif->netstats.rx_packets++;
1148 vif->netstats.rx_bytes += frame_len;
1149 skb->ip_summed = CHECKSUM_UNNECESSARY;
1150 stats = netif_rx(skb);
1151 netdev_dbg(wilc_netdev, "netif_rx ret value is: %d\n", stats);
1155 void WILC_WFI_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size)
1158 struct wilc_vif *vif;
1160 for (i = 0; i < wilc->vif_num; i++) {
1161 vif = netdev_priv(wilc->vif[i]->ndev);
1162 if (vif->monitor_flag) {
1163 WILC_WFI_monitor_rx(buff, size);
1168 vif = netdev_priv(wilc->vif[1]->ndev);
1169 if ((buff[0] == vif->frame_reg[0].type && vif->frame_reg[0].reg) ||
1170 (buff[0] == vif->frame_reg[1].type && vif->frame_reg[1].reg))
1171 WILC_WFI_p2p_rx(wilc->vif[1]->ndev, buff, size);
1174 void wilc_netdev_cleanup(struct wilc *wilc)
1178 if (wilc && (wilc->vif[0]->ndev || wilc->vif[1]->ndev))
1179 unregister_inetaddr_notifier(&g_dev_notifier);
1181 if (wilc && wilc->firmware) {
1182 release_firmware(wilc->firmware);
1183 wilc->firmware = NULL;
1186 if (wilc && (wilc->vif[0]->ndev || wilc->vif[1]->ndev)) {
1187 for (i = 0; i < NUM_CONCURRENT_IFC; i++)
1188 if (wilc->vif[i]->ndev)
1189 if (wilc->vif[i]->mac_opened)
1190 wilc_mac_close(wilc->vif[i]->ndev);
1192 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
1193 unregister_netdev(wilc->vif[i]->ndev);
1194 wilc_free_wiphy(wilc->vif[i]->ndev);
1195 free_netdev(wilc->vif[i]->ndev);
1201 EXPORT_SYMBOL_GPL(wilc_netdev_cleanup);
1203 int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type,
1204 int gpio, const struct wilc_hif_func *ops)
1207 struct wilc_vif *vif;
1208 struct net_device *ndev;
1211 wl = kzalloc(sizeof(*wl), GFP_KERNEL);
1216 wl->io_type = io_type;
1220 register_inetaddr_notifier(&g_dev_notifier);
1222 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
1223 ndev = alloc_etherdev(sizeof(struct wilc_vif));
1227 vif = netdev_priv(ndev);
1228 memset(vif, 0, sizeof(struct wilc_vif));
1231 strcpy(ndev->name, "wlan%d");
1234 strcpy(ndev->name, "p2p%d");
1241 vif->idx = wl->vif_num;
1243 ndev->netdev_ops = &wilc_netdev_ops;
1246 struct wireless_dev *wdev;
1248 wdev = wilc_create_wiphy(ndev, dev);
1251 SET_NETDEV_DEV(ndev, dev);
1254 netdev_err(ndev, "Can't register WILC Wiphy\n");
1258 vif->ndev->ieee80211_ptr = wdev;
1259 vif->ndev->ml_priv = vif;
1260 wdev->netdev = vif->ndev;
1261 vif->netstats.rx_packets = 0;
1262 vif->netstats.tx_packets = 0;
1263 vif->netstats.rx_bytes = 0;
1264 vif->netstats.tx_bytes = 0;
1267 ret = register_netdev(ndev);
1271 vif->iftype = STATION_MODE;
1272 vif->mac_opened = 0;
1277 EXPORT_SYMBOL_GPL(wilc_netdev_init);
1279 MODULE_LICENSE("GPL");