1 #include "wilc_wfi_cfgoperations.h"
2 #include "linux_wlan_common.h"
3 #include "wilc_wlan_if.h"
4 #include "wilc_wlan.h"
5
6 #include <linux/slab.h>
7 #include <linux/sched.h>
8 #include <linux/delay.h>
9 #include <linux/workqueue.h>
10 #include <linux/interrupt.h>
11 #include <linux/irq.h>
12 #include <linux/gpio.h>
13
14 #include <linux/kthread.h>
15 #include <linux/firmware.h>
16 #include <linux/delay.h>
17
18 #include <linux/init.h>
19 #include <linux/netdevice.h>
20 #include <linux/inetdevice.h>
21 #include <linux/etherdevice.h>
22 #include <linux/module.h>
23 #include <linux/kernel.h>
24 #include <linux/skbuff.h>
25
26 #include <linux/version.h>
27 #include <linux/semaphore.h>
28
29 #ifdef WILC_SDIO
30 #include "linux_wlan_sdio.h"
31 #else
32 #include "linux_wlan_spi.h"
33 #endif
34
35 #if defined(CUSTOMER_PLATFORM)
36 /*
37 TODO : Write power control functions as customer platform.
38 */
39 #else
40
41 #define _linux_wlan_device_power_on() {}
42 #define _linux_wlan_device_power_off() {}
43
44 #define _linux_wlan_device_detection() {}
45 #define _linux_wlan_device_removal() {}
46 #endif
47
48 extern bool g_obtainingIP;
49 extern void resolve_disconnect_aberration(void *drvHandler);
50 extern u8 gau8MulticastMacAddrList[WILC_MULTICAST_TABLE_SIZE][ETH_ALEN];
51 extern struct timer_list hDuringIpTimer;
52
linux_wlan_device_power(int on_off)53 static int linux_wlan_device_power(int on_off)
54 {
55 PRINT_D(INIT_DBG, "linux_wlan_device_power.. (%d)\n", on_off);
56
57 if (on_off) {
58 _linux_wlan_device_power_on();
59 } else {
60 _linux_wlan_device_power_off();
61 }
62
63 return 0;
64 }
65
linux_wlan_device_detection(int on_off)66 static int linux_wlan_device_detection(int on_off)
67 {
68 PRINT_D(INIT_DBG, "linux_wlan_device_detection.. (%d)\n", on_off);
69
70 #ifdef WILC_SDIO
71 if (on_off) {
72 _linux_wlan_device_detection();
73 } else {
74 _linux_wlan_device_removal();
75 }
76 #endif
77
78 return 0;
79 }
80
81 static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr);
82
83 static struct notifier_block g_dev_notifier = {
84 .notifier_call = dev_state_ev_handler
85 };
86
87 #define IRQ_WAIT 1
88 #define IRQ_NO_WAIT 0
89 /*
90 * to sync between mac_close and module exit.
91 * don't initialize or de-initialize from init/deinitlocks
92 * to be initialized from module wilc_netdev_init and
93 * deinitialized from mdoule_exit
94 */
95 static struct semaphore close_exit_sync;
96
97 static int wlan_deinit_locks(struct net_device *dev);
98 static void wlan_deinitialize_threads(struct net_device *dev);
99 extern void WILC_WFI_monitor_rx(u8 *buff, u32 size);
100 extern void WILC_WFI_p2p_rx(struct net_device *dev, u8 *buff, u32 size);
101
102 static void linux_wlan_tx_complete(void *priv, int status);
103 static int mac_init_fn(struct net_device *ndev);
104 int mac_xmit(struct sk_buff *skb, struct net_device *dev);
105 int mac_open(struct net_device *ndev);
106 int mac_close(struct net_device *ndev);
107 static struct net_device_stats *mac_stats(struct net_device *dev);
108 static int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd);
109 static void wilc_set_multicast_list(struct net_device *dev);
110
111 /*
112 * for now - in frmw_to_linux there should be private data to be passed to it
113 * and this data should be pointer to net device
114 */
115 struct wilc *g_linux_wlan;
116 bool bEnablePS = true;
117
118 static const struct net_device_ops wilc_netdev_ops = {
119 .ndo_init = mac_init_fn,
120 .ndo_open = mac_open,
121 .ndo_stop = mac_close,
122 .ndo_start_xmit = mac_xmit,
123 .ndo_do_ioctl = mac_ioctl,
124 .ndo_get_stats = mac_stats,
125 .ndo_set_rx_mode = wilc_set_multicast_list,
126
127 };
128
dev_state_ev_handler(struct notifier_block * this,unsigned long event,void * ptr)129 static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr)
130 {
131 struct in_ifaddr *dev_iface = (struct in_ifaddr *)ptr;
132 struct wilc_priv *priv;
133 struct host_if_drv *pstrWFIDrv;
134 struct net_device *dev;
135 u8 *pIP_Add_buff;
136 perInterface_wlan_t *nic;
137 u8 null_ip[4] = {0};
138 char wlan_dev_name[5] = "wlan0";
139
140 if (dev_iface == NULL || dev_iface->ifa_dev == NULL || dev_iface->ifa_dev->dev == NULL) {
141 PRINT_D(GENERIC_DBG, "dev_iface = NULL\n");
142 return NOTIFY_DONE;
143 }
144
145 if ((memcmp(dev_iface->ifa_label, "wlan0", 5)) && (memcmp(dev_iface->ifa_label, "p2p0", 4))) {
146 PRINT_D(GENERIC_DBG, "Interface is neither WLAN0 nor P2P0\n");
147 return NOTIFY_DONE;
148 }
149
150 dev = (struct net_device *)dev_iface->ifa_dev->dev;
151 if (dev->ieee80211_ptr == NULL || dev->ieee80211_ptr->wiphy == NULL) {
152 PRINT_D(GENERIC_DBG, "No Wireless registerd\n");
153 return NOTIFY_DONE;
154 }
155 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
156 if (priv == NULL) {
157 PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
158 return NOTIFY_DONE;
159 }
160 pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv;
161 nic = netdev_priv(dev);
162 if (nic == NULL || pstrWFIDrv == NULL) {
163 PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
164 return NOTIFY_DONE;
165 }
166
167 PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler +++\n"); /* tony */
168
169 switch (event) {
170 case NETDEV_UP:
171 PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_UP %p\n", dev); /* tony */
172
173 PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Obtained ===============\n\n");
174
175 /*If we are in station mode or client mode*/
176 if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) {
177 pstrWFIDrv->IFC_UP = 1;
178 g_obtainingIP = false;
179 del_timer(&hDuringIpTimer);
180 PRINT_D(GENERIC_DBG, "IP obtained , enable scan\n");
181 }
182
183 if (bEnablePS)
184 host_int_set_power_mgmt(pstrWFIDrv, 1, 0);
185
186 PRINT_D(GENERIC_DBG, "[%s] Up IP\n", dev_iface->ifa_label);
187
188 pIP_Add_buff = (char *) (&(dev_iface->ifa_address));
189 PRINT_D(GENERIC_DBG, "IP add=%d:%d:%d:%d\n", pIP_Add_buff[0], pIP_Add_buff[1], pIP_Add_buff[2], pIP_Add_buff[3]);
190 host_int_setup_ipaddress(pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
191
192 break;
193
194 case NETDEV_DOWN:
195 PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_DOWN %p\n", dev); /* tony */
196
197 PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Released ===============\n\n");
198 if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) {
199 pstrWFIDrv->IFC_UP = 0;
200 g_obtainingIP = false;
201 }
202
203 if (memcmp(dev_iface->ifa_label, wlan_dev_name, 5) == 0)
204 host_int_set_power_mgmt(pstrWFIDrv, 0, 0);
205
206 resolve_disconnect_aberration(pstrWFIDrv);
207
208 PRINT_D(GENERIC_DBG, "[%s] Down IP\n", dev_iface->ifa_label);
209
210 pIP_Add_buff = null_ip;
211 PRINT_D(GENERIC_DBG, "IP add=%d:%d:%d:%d\n", pIP_Add_buff[0], pIP_Add_buff[1], pIP_Add_buff[2], pIP_Add_buff[3]);
212
213 host_int_setup_ipaddress(pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
214
215 break;
216
217 default:
218 PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler event=default\n"); /* tony */
219 PRINT_INFO(GENERIC_DBG, "[%s] unknown dev event: %lu\n", dev_iface->ifa_label, event);
220
221 break;
222 }
223
224 return NOTIFY_DONE;
225
226 }
227
228 #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
isr_uh_routine(int irq,void * user_data)229 static irqreturn_t isr_uh_routine(int irq, void *user_data)
230 {
231 perInterface_wlan_t *nic;
232 struct wilc *wilc;
233 struct net_device *dev = (struct net_device *)user_data;
234
235 nic = netdev_priv(dev);
236 wilc = nic->wilc;
237 PRINT_D(INT_DBG, "Interrupt received UH\n");
238
239 /*While mac is closing cacncel the handling of any interrupts received*/
240 if (wilc->close) {
241 PRINT_ER("Driver is CLOSING: Can't handle UH interrupt\n");
242 return IRQ_HANDLED;
243 }
244 return IRQ_WAKE_THREAD;
245 }
246 #endif
247
isr_bh_routine(int irq,void * userdata)248 irqreturn_t isr_bh_routine(int irq, void *userdata)
249 {
250 perInterface_wlan_t *nic;
251 struct wilc *wilc;
252
253 nic = netdev_priv(userdata);
254 wilc = nic->wilc;
255
256 /*While mac is closing cacncel the handling of any interrupts received*/
257 if (wilc->close) {
258 PRINT_ER("Driver is CLOSING: Can't handle BH interrupt\n");
259 return IRQ_HANDLED;
260 }
261
262 PRINT_D(INT_DBG, "Interrupt received BH\n");
263 wilc_handle_isr(wilc);
264
265 return IRQ_HANDLED;
266 }
267
268 #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
init_irq(struct net_device * dev)269 static int init_irq(struct net_device *dev)
270 {
271 int ret = 0;
272 perInterface_wlan_t *nic;
273 struct wilc *wl;
274
275 nic = netdev_priv(dev);
276 wl = nic->wilc;
277
278 /*initialize GPIO and register IRQ num*/
279 /*GPIO request*/
280 if ((gpio_request(GPIO_NUM, "WILC_INTR") == 0) &&
281 (gpio_direction_input(GPIO_NUM) == 0)) {
282 #if defined(CUSTOMER_PLATFORM)
283 /*
284 TODO : save the registerd irq number to the private wilc context in kernel.
285 *
286 * ex) nic->dev_irq_num = gpio_to_irq(GPIO_NUM);
287 */
288 #else
289 wl->dev_irq_num = gpio_to_irq(GPIO_NUM);
290 #endif
291 } else {
292 ret = -1;
293 PRINT_ER("could not obtain gpio for WILC_INTR\n");
294 }
295
296 if ((ret != -1) && (request_threaded_irq(wl->dev_irq_num, isr_uh_routine, isr_bh_routine,
297 IRQF_TRIGGER_LOW | IRQF_ONESHOT, /*Without IRQF_ONESHOT the uh will remain kicked in and dont gave a chance to bh*/
298 "WILC_IRQ", dev)) < 0) {
299
300 PRINT_ER("Failed to request IRQ for GPIO: %d\n", GPIO_NUM);
301 ret = -1;
302 } else {
303
304 PRINT_D(INIT_DBG, "IRQ request succeeded IRQ-NUM= %d on GPIO: %d\n",
305 wl->dev_irq_num, GPIO_NUM);
306 }
307
308 return ret;
309 }
310 #endif
311
deinit_irq(struct net_device * dev)312 static void deinit_irq(struct net_device *dev)
313 {
314 perInterface_wlan_t *nic;
315 struct wilc *wilc;
316
317 nic = netdev_priv(dev);
318 wilc = nic->wilc;
319
320 #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
321 /* Deintialize IRQ */
322 if (&wilc->dev_irq_num != 0) {
323 free_irq(wilc->dev_irq_num, wilc);
324
325 gpio_free(GPIO_NUM);
326 }
327 #endif
328 }
329
330 /*
331 * OS functions
332 */
linux_wlan_dbg(u8 * buff)333 void linux_wlan_dbg(u8 *buff)
334 {
335 PRINT_D(INIT_DBG, "%d\n", *buff);
336 }
337
linux_wlan_lock_timeout(void * vp,u32 timeout)338 int linux_wlan_lock_timeout(void *vp, u32 timeout)
339 {
340 int error = -1;
341
342 PRINT_D(LOCK_DBG, "Locking %p\n", vp);
343 if (vp != NULL)
344 error = down_timeout((struct semaphore *)vp, msecs_to_jiffies(timeout));
345 else
346 PRINT_ER("Failed, mutex is NULL\n");
347 return error;
348 }
349
linux_wlan_mac_indicate(struct wilc * wilc,int flag)350 void linux_wlan_mac_indicate(struct wilc *wilc, int flag)
351 {
352 /*I have to do it that way becuase there is no mean to encapsulate device pointer
353 * as a parameter
354 */
355 int status;
356
357 if (flag == WILC_MAC_INDICATE_STATUS) {
358 wilc_wlan_cfg_get_val(WID_STATUS, (unsigned char *)&status, 4);
359 if (wilc->mac_status == WILC_MAC_STATUS_INIT) {
360 wilc->mac_status = status;
361 up(&wilc->sync_event);
362 } else {
363 wilc->mac_status = status;
364 }
365
366 if (wilc->mac_status == WILC_MAC_STATUS_CONNECT) { /* Connect */
367 }
368
369 } else if (flag == WILC_MAC_INDICATE_SCAN) {
370 PRINT_D(GENERIC_DBG, "Scanning ...\n");
371
372 }
373
374 }
375
GetIfHandler(struct wilc * wilc,u8 * pMacHeader)376 struct net_device *GetIfHandler(struct wilc *wilc, u8 *pMacHeader)
377 {
378 u8 *Bssid, *Bssid1;
379 int i = 0;
380
381 Bssid = pMacHeader + 10;
382 Bssid1 = pMacHeader + 4;
383
384 for (i = 0; i < wilc->vif_num; i++)
385 if (!memcmp(Bssid1, wilc->vif[i].bssid, ETH_ALEN) ||
386 !memcmp(Bssid, wilc->vif[i].bssid, ETH_ALEN))
387 return wilc->vif[i].ndev;
388
389 PRINT_INFO(INIT_DBG, "Invalide handle\n");
390 for (i = 0; i < 25; i++)
391 PRINT_D(INIT_DBG, "%02x ", pMacHeader[i]);
392 Bssid = pMacHeader + 18;
393 Bssid1 = pMacHeader + 12;
394 for (i = 0; i < wilc->vif_num; i++)
395 if (!memcmp(Bssid1, wilc->vif[i].bssid, ETH_ALEN) ||
396 !memcmp(Bssid, wilc->vif[i].bssid, ETH_ALEN))
397 return wilc->vif[i].ndev;
398
399 PRINT_INFO(INIT_DBG, "\n");
400 return NULL;
401 }
402
linux_wlan_set_bssid(struct net_device * wilc_netdev,u8 * pBSSID)403 int linux_wlan_set_bssid(struct net_device *wilc_netdev, u8 *pBSSID)
404 {
405 int i = 0;
406 int ret = -1;
407 perInterface_wlan_t *nic;
408 struct wilc *wilc;
409
410 nic = netdev_priv(wilc_netdev);
411 wilc = nic->wilc;
412
413 for (i = 0; i < wilc->vif_num; i++)
414 if (wilc->vif[i].ndev == wilc_netdev) {
415 memcpy(wilc->vif[i].bssid, pBSSID, 6);
416 ret = 0;
417 break;
418 }
419
420 return ret;
421 }
422
423 /*Function to get number of connected interfaces*/
linux_wlan_get_num_conn_ifcs(void)424 int linux_wlan_get_num_conn_ifcs(void)
425 {
426 u8 i = 0;
427 u8 null_bssid[6] = {0};
428 u8 ret_val = 0;
429
430 for (i = 0; i < g_linux_wlan->vif_num; i++)
431 if (memcmp(g_linux_wlan->vif[i].bssid, null_bssid, 6))
432 ret_val++;
433
434 return ret_val;
435 }
436
437 #define USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
438
linux_wlan_txq_task(void * vp)439 static int linux_wlan_txq_task(void *vp)
440 {
441 int ret, txq_count;
442 perInterface_wlan_t *nic;
443 struct wilc *wl;
444 struct net_device *dev = vp;
445 #if defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
446 #define TX_BACKOFF_WEIGHT_INCR_STEP (1)
447 #define TX_BACKOFF_WEIGHT_DECR_STEP (1)
448 #define TX_BACKOFF_WEIGHT_MAX (7)
449 #define TX_BACKOFF_WEIGHT_MIN (0)
450 #define TX_BACKOFF_WEIGHT_UNIT_MS (10)
451 int backoff_weight = TX_BACKOFF_WEIGHT_MIN;
452 #endif
453
454 nic = netdev_priv(dev);
455 wl = nic->wilc;
456
457 /* inform wilc1000_wlan_init that TXQ task is started. */
458 up(&wl->txq_thread_started);
459 while (1) {
460
461 PRINT_D(TX_DBG, "txq_task Taking a nap :)\n");
462 down(&wl->txq_event);
463 /* wait_for_completion(&pd->txq_event); */
464 PRINT_D(TX_DBG, "txq_task Who waked me up :$\n");
465
466 if (wl->close) {
467 /*Unlock the mutex in the mac_close function to indicate the exiting of the TX thread */
468 up(&wl->txq_thread_started);
469
470 while (!kthread_should_stop())
471 schedule();
472
473 PRINT_D(TX_DBG, "TX thread stopped\n");
474 break;
475 }
476 PRINT_D(TX_DBG, "txq_task handle the sending packet and let me go to sleep.\n");
477 #if !defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
478 ret = wilc_wlan_handle_txq(dev, &txq_count);
479 #else
480 do {
481 ret = wilc_wlan_handle_txq(dev, &txq_count);
482 if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD /* && netif_queue_stopped(pd->wilc_netdev)*/) {
483 PRINT_D(TX_DBG, "Waking up queue\n");
484 /* netif_wake_queue(pd->wilc_netdev); */
485 if (netif_queue_stopped(wl->vif[0].ndev))
486 netif_wake_queue(wl->vif[0].ndev);
487 if (netif_queue_stopped(wl->vif[1].ndev))
488 netif_wake_queue(wl->vif[1].ndev);
489 }
490
491 if (ret == WILC_TX_ERR_NO_BUF) { /* failed to allocate buffers in chip. */
492 do {
493 /* Back off from sending packets for some time. */
494 /* schedule_timeout will allow RX task to run and free buffers.*/
495 /* set_current_state(TASK_UNINTERRUPTIBLE); */
496 /* timeout = schedule_timeout(timeout); */
497 msleep(TX_BACKOFF_WEIGHT_UNIT_MS << backoff_weight);
498 } while (/*timeout*/ 0);
499 backoff_weight += TX_BACKOFF_WEIGHT_INCR_STEP;
500 if (backoff_weight > TX_BACKOFF_WEIGHT_MAX)
501 backoff_weight = TX_BACKOFF_WEIGHT_MAX;
502 } else {
503 if (backoff_weight > TX_BACKOFF_WEIGHT_MIN) {
504 backoff_weight -= TX_BACKOFF_WEIGHT_DECR_STEP;
505 if (backoff_weight < TX_BACKOFF_WEIGHT_MIN)
506 backoff_weight = TX_BACKOFF_WEIGHT_MIN;
507 }
508 }
509 /*TODO: drop packets after a certain time/number of retry count. */
510 } while (ret == WILC_TX_ERR_NO_BUF && !wl->close); /* retry sending packets if no more buffers in chip. */
511 #endif
512 }
513 return 0;
514 }
515
linux_wlan_rx_complete(void)516 void linux_wlan_rx_complete(void)
517 {
518 PRINT_D(RX_DBG, "RX completed\n");
519 }
520
linux_wlan_get_firmware(perInterface_wlan_t * p_nic)521 int linux_wlan_get_firmware(perInterface_wlan_t *p_nic)
522 {
523
524 perInterface_wlan_t *nic = p_nic;
525 int ret = 0;
526 const struct firmware *wilc_firmware;
527 char *firmware;
528
529 if (nic->iftype == AP_MODE)
530 firmware = AP_FIRMWARE;
531 else if (nic->iftype == STATION_MODE)
532 firmware = STA_FIRMWARE;
533
534 else {
535 PRINT_D(INIT_DBG, "Get P2P_CONCURRENCY_FIRMWARE\n");
536 firmware = P2P_CONCURRENCY_FIRMWARE;
537 }
538
539 if (nic == NULL) {
540 PRINT_ER("NIC is NULL\n");
541 goto _fail_;
542 }
543
544 if (&nic->wilc_netdev->dev == NULL) {
545 PRINT_ER("&nic->wilc_netdev->dev is NULL\n");
546 goto _fail_;
547 }
548
549 /* the firmare should be located in /lib/firmware in
550 * root file system with the name specified above */
551
552 #ifdef WILC_SDIO
553 if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_sdio_func->dev) != 0) {
554 PRINT_ER("%s - firmare not available\n", firmware);
555 ret = -1;
556 goto _fail_;
557 }
558 #else
559 if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_spidev->dev) != 0) {
560 PRINT_ER("%s - firmare not available\n", firmware);
561 ret = -1;
562 goto _fail_;
563 }
564 #endif
565 g_linux_wlan->firmware = wilc_firmware;
566
567 _fail_:
568
569 return ret;
570
571 }
572
linux_wlan_start_firmware(perInterface_wlan_t * nic)573 static int linux_wlan_start_firmware(perInterface_wlan_t *nic)
574 {
575
576 int ret = 0;
577 /* start firmware */
578 PRINT_D(INIT_DBG, "Starting Firmware ...\n");
579 ret = wilc_wlan_start();
580 if (ret < 0) {
581 PRINT_ER("Failed to start Firmware\n");
582 goto _fail_;
583 }
584
585 /* wait for mac ready */
586 PRINT_D(INIT_DBG, "Waiting for Firmware to get ready ...\n");
587 ret = linux_wlan_lock_timeout(&g_linux_wlan->sync_event, 5000);
588 if (ret) {
589 PRINT_D(INIT_DBG, "Firmware start timed out");
590 goto _fail_;
591 }
592 /*
593 * TODO: Driver shouoldn't wait forever for firmware to get started -
594 * in case of timeout this should be handled properly
595 */
596 PRINT_D(INIT_DBG, "Firmware successfully started\n");
597
598 _fail_:
599 return ret;
600 }
linux_wlan_firmware_download(struct wilc * p_nic)601 static int linux_wlan_firmware_download(struct wilc *p_nic)
602 {
603
604 int ret = 0;
605
606 if (!g_linux_wlan->firmware) {
607 PRINT_ER("Firmware buffer is NULL\n");
608 ret = -ENOBUFS;
609 goto _FAIL_;
610 }
611 /**
612 * do the firmware download
613 **/
614 PRINT_D(INIT_DBG, "Downloading Firmware ...\n");
615 ret = wilc_wlan_firmware_download(g_linux_wlan->firmware->data,
616 g_linux_wlan->firmware->size);
617 if (ret < 0)
618 goto _FAIL_;
619
620 /* Freeing FW buffer */
621 PRINT_D(INIT_DBG, "Freeing FW buffer ...\n");
622 PRINT_D(INIT_DBG, "Releasing firmware\n");
623 release_firmware(g_linux_wlan->firmware);
624
625 PRINT_D(INIT_DBG, "Download Succeeded\n");
626
627 _FAIL_:
628 return ret;
629 }
630
631 /* startup configuration - could be changed later using iconfig*/
linux_wlan_init_test_config(struct net_device * dev,struct wilc * p_nic)632 static int linux_wlan_init_test_config(struct net_device *dev, struct wilc *p_nic)
633 {
634
635 unsigned char c_val[64];
636 unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xff};
637
638 struct wilc_priv *priv;
639 struct host_if_drv *pstrWFIDrv;
640
641 PRINT_D(TX_DBG, "Start configuring Firmware\n");
642 get_random_bytes(&mac_add[5], 1);
643 get_random_bytes(&mac_add[4], 1);
644 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
645 pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv;
646 PRINT_D(INIT_DBG, "Host = %p\n", pstrWFIDrv);
647
648 PRINT_D(INIT_DBG, "MAC address is : %02x-%02x-%02x-%02x-%02x-%02x\n", mac_add[0], mac_add[1], mac_add[2], mac_add[3], mac_add[4], mac_add[5]);
649 wilc_get_chipid(0);
650
651 *(int *)c_val = 1;
652
653 if (!wilc_wlan_cfg_set(1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0))
654 goto _fail_;
655
656 /*to tell fw that we are going to use PC test - WILC specific*/
657 c_val[0] = 0;
658 if (!wilc_wlan_cfg_set(0, WID_PC_TEST_MODE, c_val, 1, 0, 0))
659 goto _fail_;
660
661 c_val[0] = INFRASTRUCTURE;
662 if (!wilc_wlan_cfg_set(0, WID_BSS_TYPE, c_val, 1, 0, 0))
663 goto _fail_;
664
665 /* c_val[0] = RATE_AUTO; */
666 c_val[0] = RATE_AUTO;
667 if (!wilc_wlan_cfg_set(0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0))
668 goto _fail_;
669
670 c_val[0] = G_MIXED_11B_2_MODE;
671 if (!wilc_wlan_cfg_set(0, WID_11G_OPERATING_MODE, c_val, 1, 0, 0))
672 goto _fail_;
673
674 c_val[0] = 1;
675 if (!wilc_wlan_cfg_set(0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0))
676 goto _fail_;
677
678 c_val[0] = G_SHORT_PREAMBLE;
679 if (!wilc_wlan_cfg_set(0, WID_PREAMBLE, c_val, 1, 0, 0))
680 goto _fail_;
681
682 c_val[0] = AUTO_PROT;
683 if (!wilc_wlan_cfg_set(0, WID_11N_PROT_MECH, c_val, 1, 0, 0))
684 goto _fail_;
685
686 c_val[0] = ACTIVE_SCAN;
687 if (!wilc_wlan_cfg_set(0, WID_SCAN_TYPE, c_val, 1, 0, 0))
688 goto _fail_;
689
690 c_val[0] = SITE_SURVEY_OFF;
691 if (!wilc_wlan_cfg_set(0, WID_SITE_SURVEY, c_val, 1, 0, 0))
692 goto _fail_;
693
694 *((int *)c_val) = 0xffff; /* Never use RTS-CTS */
695 if (!wilc_wlan_cfg_set(0, WID_RTS_THRESHOLD, c_val, 2, 0, 0))
696 goto _fail_;
697
698 *((int *)c_val) = 2346;
699 if (!wilc_wlan_cfg_set(0, WID_FRAG_THRESHOLD, c_val, 2, 0, 0))
700 goto _fail_;
701
702 /* SSID */
703 /* -------------------------------------------------------------- */
704 /* Configuration : String with length less than 32 bytes */
705 /* Values to set : Any string with length less than 32 bytes */
706 /* ( In BSS Station Set SSID to "" (null string) */
707 /* to enable Broadcast SSID suppport ) */
708 /* -------------------------------------------------------------- */
709 c_val[0] = 0;
710 if (!wilc_wlan_cfg_set(0, WID_BCAST_SSID, c_val, 1, 0, 0))
711 goto _fail_;
712
713 c_val[0] = 1;
714 if (!wilc_wlan_cfg_set(0, WID_QOS_ENABLE, c_val, 1, 0, 0))
715 goto _fail_;
716
717 c_val[0] = NO_POWERSAVE;
718 if (!wilc_wlan_cfg_set(0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0))
719 goto _fail_;
720
721 c_val[0] = NO_ENCRYPT; /* NO_ENCRYPT, 0x79 */
722 if (!wilc_wlan_cfg_set(0, WID_11I_MODE, c_val, 1, 0, 0))
723 goto _fail_;
724
725 c_val[0] = OPEN_SYSTEM;
726 if (!wilc_wlan_cfg_set(0, WID_AUTH_TYPE, c_val, 1, 0, 0))
727 goto _fail_;
728
729 /* WEP/802 11I Configuration */
730 /* ------------------------------------------------------------------ */
731 /* Configuration : WEP Key */
732 /* Values (0x) : 5 byte for WEP40 and 13 bytes for WEP104 */
733 /* In case more than 5 bytes are passed on for WEP 40 */
734 /* only first 5 bytes will be used as the key */
735 /* ------------------------------------------------------------------ */
736
737 strcpy(c_val, "123456790abcdef1234567890");
738 if (!wilc_wlan_cfg_set(0, WID_WEP_KEY_VALUE, c_val, (strlen(c_val) + 1), 0, 0))
739 goto _fail_;
740
741 /* WEP/802 11I Configuration */
742 /* ------------------------------------------------------------------ */
743 /* Configuration : AES/TKIP WPA/RSNA Pre-Shared Key */
744 /* Values to set : Any string with length greater than equal to 8 bytes */
745 /* and less than 64 bytes */
746 /* ------------------------------------------------------------------ */
747 strcpy(c_val, "12345678");
748 if (!wilc_wlan_cfg_set(0, WID_11I_PSK, c_val, (strlen(c_val)), 0, 0))
749 goto _fail_;
750
751 /* IEEE802.1X Key Configuration */
752 /* ------------------------------------------------------------------ */
753 /* Configuration : Radius Server Access Secret Key */
754 /* Values to set : Any string with length greater than equal to 8 bytes */
755 /* and less than 65 bytes */
756 /* ------------------------------------------------------------------ */
757 strcpy(c_val, "password");
758 if (!wilc_wlan_cfg_set(0, WID_1X_KEY, c_val, (strlen(c_val) + 1), 0, 0))
759 goto _fail_;
760
761 /* IEEE802.1X Server Address Configuration */
762 /* ------------------------------------------------------------------ */
763 /* Configuration : Radius Server IP Address */
764 /* Values to set : Any valid IP Address */
765 /* ------------------------------------------------------------------ */
766 c_val[0] = 192;
767 c_val[1] = 168;
768 c_val[2] = 1;
769 c_val[3] = 112;
770 if (!wilc_wlan_cfg_set(0, WID_1X_SERV_ADDR, c_val, 4, 0, 0))
771 goto _fail_;
772
773 c_val[0] = 3;
774 if (!wilc_wlan_cfg_set(0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0))
775 goto _fail_;
776
777 c_val[0] = 3;
778 if (!wilc_wlan_cfg_set(0, WID_DTIM_PERIOD, c_val, 1, 0, 0))
779 goto _fail_;
780
781 c_val[0] = NORMAL_ACK;
782 if (!wilc_wlan_cfg_set(0, WID_ACK_POLICY, c_val, 1, 0, 0))
783 goto _fail_;
784
785 c_val[0] = 0;
786 if (!wilc_wlan_cfg_set(0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1, 0, 0))
787 goto _fail_;
788
789 c_val[0] = 48;
790 if (!wilc_wlan_cfg_set(0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0, 0))
791 goto _fail_;
792
793 c_val[0] = 28;
794 if (!wilc_wlan_cfg_set(0, WID_TX_POWER_LEVEL_11B, c_val, 1, 0, 0))
795 goto _fail_;
796
797 /* Beacon Interval */
798 /* -------------------------------------------------------------------- */
799 /* Configuration : Sets the beacon interval value */
800 /* Values to set : Any 16-bit value */
801 /* -------------------------------------------------------------------- */
802
803 *((int *)c_val) = 100;
804 if (!wilc_wlan_cfg_set(0, WID_BEACON_INTERVAL, c_val, 2, 0, 0))
805 goto _fail_;
806
807 c_val[0] = REKEY_DISABLE;
808 if (!wilc_wlan_cfg_set(0, WID_REKEY_POLICY, c_val, 1, 0, 0))
809 goto _fail_;
810
811 /* Rekey Time (s) (Used only when the Rekey policy is 2 or 4) */
812 /* -------------------------------------------------------------------- */
813 /* Configuration : Sets the Rekey Time (s) */
814 /* Values to set : 32-bit value */
815 /* -------------------------------------------------------------------- */
816 *((int *)c_val) = 84600;
817 if (!wilc_wlan_cfg_set(0, WID_REKEY_PERIOD, c_val, 4, 0, 0))
818 goto _fail_;
819
820 /* Rekey Packet Count (in 1000s; used when Rekey Policy is 3) */
821 /* -------------------------------------------------------------------- */
822 /* Configuration : Sets Rekey Group Packet count */
823 /* Values to set : 32-bit Value */
824 /* -------------------------------------------------------------------- */
825 *((int *)c_val) = 500;
826 if (!wilc_wlan_cfg_set(0, WID_REKEY_PACKET_COUNT, c_val, 4, 0, 0))
827 goto _fail_;
828
829 c_val[0] = 1;
830 if (!wilc_wlan_cfg_set(0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0, 0))
831 goto _fail_;
832
833 c_val[0] = G_SELF_CTS_PROT;
834 if (!wilc_wlan_cfg_set(0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0))
835 goto _fail_;
836
837 c_val[0] = 1; /* Enable N */
838 if (!wilc_wlan_cfg_set(0, WID_11N_ENABLE, c_val, 1, 0, 0))
839 goto _fail_;
840
841 c_val[0] = HT_MIXED_MODE;
842 if (!wilc_wlan_cfg_set(0, WID_11N_OPERATING_MODE, c_val, 1, 0, 0))
843 goto _fail_;
844
845 c_val[0] = 1; /* TXOP Prot disable in N mode: No RTS-CTS on TX A-MPDUs to save air-time. */
846 if (!wilc_wlan_cfg_set(0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0, 0))
847 goto _fail_;
848
849 memcpy(c_val, mac_add, 6);
850
851 if (!wilc_wlan_cfg_set(0, WID_MAC_ADDR, c_val, 6, 0, 0))
852 goto _fail_;
853
854 /**
855 * AP only
856 **/
857 c_val[0] = DETECT_PROTECT_REPORT;
858 if (!wilc_wlan_cfg_set(0, WID_11N_OBSS_NONHT_DETECTION, c_val, 1, 0, 0))
859 goto _fail_;
860
861 c_val[0] = RTS_CTS_NONHT_PROT;
862 if (!wilc_wlan_cfg_set(0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0))
863 goto _fail_;
864
865 c_val[0] = 0;
866 if (!wilc_wlan_cfg_set(0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0, 0))
867 goto _fail_;
868
869 c_val[0] = MIMO_MODE;
870 if (!wilc_wlan_cfg_set(0, WID_11N_SMPS_MODE, c_val, 1, 0, 0))
871 goto _fail_;
872
873 c_val[0] = 7;
874 if (!wilc_wlan_cfg_set(0, WID_11N_CURRENT_TX_MCS, c_val, 1, 0, 0))
875 goto _fail_;
876
877 c_val[0] = 1; /* Enable N with immediate block ack. */
878 if (!wilc_wlan_cfg_set(0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1, 1, 1))
879 goto _fail_;
880
881 return 0;
882
883 _fail_:
884 return -1;
885 }
886
887 /**************************/
wilc1000_wlan_deinit(struct net_device * dev)888 void wilc1000_wlan_deinit(struct net_device *dev)
889 {
890 perInterface_wlan_t *nic;
891 struct wilc *wl;
892
893 nic = netdev_priv(dev);
894 wl = nic->wilc;
895
896 if (!wl) {
897 netdev_err(dev, "wl is NULL\n");
898 return;
899 }
900
901 if (wl->initialized) {
902 netdev_info(dev, "Deinitializing wilc1000...\n");
903
904 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
905 /* johnny : remove */
906 PRINT_D(INIT_DBG, "skip wilc_bus_set_default_speed\n");
907 #else
908 wilc_bus_set_default_speed();
909 #endif
910
911 PRINT_D(INIT_DBG, "Disabling IRQ\n");
912 #ifdef WILC_SDIO
913 mutex_lock(&wl->hif_cs);
914 disable_sdio_interrupt();
915 mutex_unlock(&wl->hif_cs);
916 #endif
917 if (&wl->txq_event != NULL)
918 up(&wl->txq_event);
919
920 PRINT_D(INIT_DBG, "Deinitializing Threads\n");
921 wlan_deinitialize_threads(dev);
922
923 PRINT_D(INIT_DBG, "Deinitializing IRQ\n");
924 deinit_irq(dev);
925
926 wilc_wlan_stop();
927
928 PRINT_D(INIT_DBG, "Deinitializing WILC Wlan\n");
929 wilc_wlan_cleanup(dev);
930 #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
931 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
932 PRINT_D(INIT_DBG, "Disabling IRQ 2\n");
933
934 mutex_lock(&wl->hif_cs);
935 disable_sdio_interrupt();
936 mutex_unlock(&wl->hif_cs);
937 #endif
938 #endif
939
940 /*De-Initialize locks*/
941 PRINT_D(INIT_DBG, "Deinitializing Locks\n");
942 wlan_deinit_locks(dev);
943
944 /* announce that wilc1000 is not initialized */
945 wl->initialized = false;
946
947 PRINT_D(INIT_DBG, "wilc1000 deinitialization Done\n");
948
949 } else {
950 PRINT_D(INIT_DBG, "wilc1000 is not initialized\n");
951 }
952 }
953
wlan_init_locks(struct net_device * dev)954 int wlan_init_locks(struct net_device *dev)
955 {
956 perInterface_wlan_t *nic;
957 struct wilc *wl;
958
959 nic = netdev_priv(dev);
960 wl = nic->wilc;
961
962 PRINT_D(INIT_DBG, "Initializing Locks ...\n");
963
964 mutex_init(&wl->hif_cs);
965 mutex_init(&wl->rxq_cs);
966
967 spin_lock_init(&wl->txq_spinlock);
968 sema_init(&wl->txq_add_to_head_cs, 1);
969
970 sema_init(&wl->txq_event, 0);
971
972 sema_init(&wl->cfg_event, 0);
973 sema_init(&wl->sync_event, 0);
974
975 sema_init(&wl->txq_thread_started, 0);
976
977 return 0;
978 }
979
wlan_deinit_locks(struct net_device * dev)980 static int wlan_deinit_locks(struct net_device *dev)
981 {
982 perInterface_wlan_t *nic;
983 struct wilc *wilc;
984
985 nic = netdev_priv(dev);
986 wilc = nic->wilc;
987
988 PRINT_D(INIT_DBG, "De-Initializing Locks\n");
989
990 if (&wilc->hif_cs != NULL)
991 mutex_destroy(&wilc->hif_cs);
992
993 if (&wilc->rxq_cs != NULL)
994 mutex_destroy(&wilc->rxq_cs);
995
996 return 0;
997 }
linux_to_wlan(wilc_wlan_inp_t * nwi,struct wilc * nic)998 void linux_to_wlan(wilc_wlan_inp_t *nwi, struct wilc *nic)
999 {
1000
1001 PRINT_D(INIT_DBG, "Linux to Wlan services ...\n");
1002
1003 nwi->os_context.os_private = (void *)nic;
1004
1005 #ifdef WILC_SDIO
1006 nwi->io_func.io_type = HIF_SDIO;
1007 nwi->io_func.io_init = linux_sdio_init;
1008 nwi->io_func.io_deinit = linux_sdio_deinit;
1009 nwi->io_func.u.sdio.sdio_cmd52 = linux_sdio_cmd52;
1010 nwi->io_func.u.sdio.sdio_cmd53 = linux_sdio_cmd53;
1011 nwi->io_func.u.sdio.sdio_set_max_speed = linux_sdio_set_max_speed;
1012 nwi->io_func.u.sdio.sdio_set_default_speed = linux_sdio_set_default_speed;
1013 #else
1014 nwi->io_func.io_type = HIF_SPI;
1015 nwi->io_func.io_init = linux_spi_init;
1016 nwi->io_func.io_deinit = linux_spi_deinit;
1017 nwi->io_func.u.spi.spi_tx = linux_spi_write;
1018 nwi->io_func.u.spi.spi_rx = linux_spi_read;
1019 nwi->io_func.u.spi.spi_trx = linux_spi_write_read;
1020 nwi->io_func.u.spi.spi_max_speed = linux_spi_set_max_speed;
1021 #endif
1022 }
1023
wlan_initialize_threads(struct net_device * dev)1024 int wlan_initialize_threads(struct net_device *dev)
1025 {
1026 perInterface_wlan_t *nic;
1027 struct wilc *wilc;
1028 int ret = 0;
1029
1030 nic = netdev_priv(dev);
1031 wilc = nic->wilc;
1032
1033 PRINT_D(INIT_DBG, "Initializing Threads ...\n");
1034
1035 /* create tx task */
1036 PRINT_D(INIT_DBG, "Creating kthread for transmission\n");
1037 wilc->txq_thread = kthread_run(linux_wlan_txq_task, (void *)dev,
1038 "K_TXQ_TASK");
1039 if (!wilc->txq_thread) {
1040 PRINT_ER("couldn't create TXQ thread\n");
1041 ret = -ENOBUFS;
1042 goto _fail_2;
1043 }
1044 /* wait for TXQ task to start. */
1045 down(&wilc->txq_thread_started);
1046
1047 return 0;
1048
1049 _fail_2:
1050 /*De-Initialize 2nd thread*/
1051 wilc->close = 0;
1052 return ret;
1053 }
1054
wlan_deinitialize_threads(struct net_device * dev)1055 static void wlan_deinitialize_threads(struct net_device *dev)
1056 {
1057 perInterface_wlan_t *nic;
1058 struct wilc *wl;
1059
1060 nic = netdev_priv(dev);
1061 wl = nic->wilc;
1062
1063 wl->close = 1;
1064 PRINT_D(INIT_DBG, "Deinitializing Threads\n");
1065
1066 if (&wl->txq_event != NULL)
1067 up(&wl->txq_event);
1068
1069 if (wl->txq_thread != NULL) {
1070 kthread_stop(wl->txq_thread);
1071 wl->txq_thread = NULL;
1072 }
1073 }
1074
wilc1000_wlan_init(struct net_device * dev,perInterface_wlan_t * p_nic)1075 int wilc1000_wlan_init(struct net_device *dev, perInterface_wlan_t *p_nic)
1076 {
1077 wilc_wlan_inp_t nwi;
1078 perInterface_wlan_t *nic = p_nic;
1079 int ret = 0;
1080 struct wilc *wl = nic->wilc;
1081
1082 if (!wl->initialized) {
1083 wl->mac_status = WILC_MAC_STATUS_INIT;
1084 wl->close = 0;
1085
1086 wlan_init_locks(dev);
1087
1088 linux_to_wlan(&nwi, wl);
1089
1090 ret = wilc_wlan_init(&nwi);
1091 if (ret < 0) {
1092 PRINT_ER("Initializing WILC_Wlan FAILED\n");
1093 ret = -EIO;
1094 goto _fail_locks_;
1095 }
1096
1097 #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1098 if (init_irq(dev)) {
1099 PRINT_ER("couldn't initialize IRQ\n");
1100 ret = -EIO;
1101 goto _fail_locks_;
1102 }
1103 #endif
1104
1105 ret = wlan_initialize_threads(dev);
1106 if (ret < 0) {
1107 PRINT_ER("Initializing Threads FAILED\n");
1108 ret = -EIO;
1109 goto _fail_wilc_wlan_;
1110 }
1111
1112 #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1113 if (enable_sdio_interrupt()) {
1114 PRINT_ER("couldn't initialize IRQ\n");
1115 ret = -EIO;
1116 goto _fail_irq_init_;
1117 }
1118 #endif
1119
1120 if (linux_wlan_get_firmware(nic)) {
1121 PRINT_ER("Can't get firmware\n");
1122 ret = -EIO;
1123 goto _fail_irq_enable_;
1124 }
1125
1126 /*Download firmware*/
1127 ret = linux_wlan_firmware_download(wl);
1128 if (ret < 0) {
1129 PRINT_ER("Failed to download firmware\n");
1130 ret = -EIO;
1131 goto _fail_irq_enable_;
1132 }
1133
1134 /* Start firmware*/
1135 ret = linux_wlan_start_firmware(nic);
1136 if (ret < 0) {
1137 PRINT_ER("Failed to start firmware\n");
1138 ret = -EIO;
1139 goto _fail_irq_enable_;
1140 }
1141
1142 wilc_bus_set_max_speed();
1143
1144 if (wilc_wlan_cfg_get(1, WID_FIRMWARE_VERSION, 1, 0)) {
1145 int size;
1146 char Firmware_ver[20];
1147
1148 size = wilc_wlan_cfg_get_val(
1149 WID_FIRMWARE_VERSION,
1150 Firmware_ver, sizeof(Firmware_ver));
1151 Firmware_ver[size] = '\0';
1152 PRINT_D(INIT_DBG, "***** Firmware Ver = %s *******\n", Firmware_ver);
1153 }
1154 /* Initialize firmware with default configuration */
1155 ret = linux_wlan_init_test_config(dev, wl);
1156
1157 if (ret < 0) {
1158 PRINT_ER("Failed to configure firmware\n");
1159 ret = -EIO;
1160 goto _fail_fw_start_;
1161 }
1162
1163 wl->initialized = true;
1164 return 0; /*success*/
1165
1166 _fail_fw_start_:
1167 wilc_wlan_stop();
1168
1169 _fail_irq_enable_:
1170 #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1171 disable_sdio_interrupt();
1172 _fail_irq_init_:
1173 #endif
1174 #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1175 deinit_irq(dev);
1176
1177 #endif
1178 wlan_deinitialize_threads(dev);
1179 _fail_wilc_wlan_:
1180 wilc_wlan_cleanup(dev);
1181 _fail_locks_:
1182 wlan_deinit_locks(dev);
1183 PRINT_ER("WLAN Iinitialization FAILED\n");
1184 } else {
1185 PRINT_D(INIT_DBG, "wilc1000 already initialized\n");
1186 }
1187 return ret;
1188 }
1189
1190 /*
1191 * - this function will be called automatically by OS when module inserted.
1192 */
1193
mac_init_fn(struct net_device * ndev)1194 int mac_init_fn(struct net_device *ndev)
1195 {
1196
1197 /*Why we do this !!!*/
1198 netif_start_queue(ndev); /* ma */
1199 netif_stop_queue(ndev); /* ma */
1200
1201 return 0;
1202 }
1203
1204 /* This fn is called, when this device is setup using ifconfig */
mac_open(struct net_device * ndev)1205 int mac_open(struct net_device *ndev)
1206 {
1207 perInterface_wlan_t *nic;
1208
1209 /*No need for setting mac address here anymore,*/
1210 /*Just set it in init_test_config()*/
1211 unsigned char mac_add[ETH_ALEN] = {0};
1212 int ret = 0;
1213 int i = 0;
1214 struct wilc_priv *priv;
1215 struct wilc *wl;
1216
1217 nic = netdev_priv(ndev);
1218 wl = nic->wilc;
1219
1220 #ifdef WILC_SPI
1221 if (!wl|| !wl->wilc_spidev) {
1222 netdev_err(ndev, "wilc1000: SPI device not ready\n");
1223 return -ENODEV;
1224 }
1225 #endif
1226 nic = netdev_priv(ndev);
1227 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
1228 PRINT_D(INIT_DBG, "MAC OPEN[%p]\n", ndev);
1229
1230 ret = wilc_init_host_int(ndev);
1231 if (ret < 0) {
1232 PRINT_ER("Failed to initialize host interface\n");
1233
1234 return ret;
1235 }
1236
1237 /*initialize platform*/
1238 PRINT_D(INIT_DBG, "*** re-init ***\n");
1239 ret = wilc1000_wlan_init(ndev, nic);
1240 if (ret < 0) {
1241 PRINT_ER("Failed to initialize wilc1000\n");
1242 wilc_deinit_host_int(ndev);
1243 return ret;
1244 }
1245
1246 Set_machw_change_vir_if(ndev, false);
1247
1248 host_int_get_MacAddress(priv->hWILCWFIDrv, mac_add);
1249 PRINT_D(INIT_DBG, "Mac address: %pM\n", mac_add);
1250
1251 /* loop through the NUM of supported devices and set the MAC address */
1252 for (i = 0; i < wl->vif_num; i++) {
1253 if (ndev == wl->vif[i].ndev) {
1254 memcpy(wl->vif[i].src_addr, mac_add, ETH_ALEN);
1255 wl->vif[i].hif_drv = priv->hWILCWFIDrv;
1256 break;
1257 }
1258 }
1259
1260 /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/
1261 memcpy(ndev->dev_addr, wl->vif[i].src_addr, ETH_ALEN);
1262
1263 if (!is_valid_ether_addr(ndev->dev_addr)) {
1264 PRINT_ER("Error: Wrong MAC address\n");
1265 ret = -EINVAL;
1266 goto _err_;
1267 }
1268
1269 wilc_mgmt_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev->ieee80211_ptr,
1270 nic->g_struct_frame_reg[0].frame_type, nic->g_struct_frame_reg[0].reg);
1271 wilc_mgmt_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev->ieee80211_ptr,
1272 nic->g_struct_frame_reg[1].frame_type, nic->g_struct_frame_reg[1].reg);
1273 netif_wake_queue(ndev);
1274 wl->open_ifcs++;
1275 nic->mac_opened = 1;
1276 return 0;
1277
1278 _err_:
1279 wilc_deinit_host_int(ndev);
1280 wilc1000_wlan_deinit(ndev);
1281 return ret;
1282 }
1283
mac_stats(struct net_device * dev)1284 struct net_device_stats *mac_stats(struct net_device *dev)
1285 {
1286 perInterface_wlan_t *nic = netdev_priv(dev);
1287
1288 return &nic->netstats;
1289 }
1290
1291 /* Setup the multicast filter */
wilc_set_multicast_list(struct net_device * dev)1292 static void wilc_set_multicast_list(struct net_device *dev)
1293 {
1294
1295 struct netdev_hw_addr *ha;
1296 struct wilc_priv *priv;
1297 struct host_if_drv *pstrWFIDrv;
1298 int i = 0;
1299
1300 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
1301 pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv;
1302
1303 if (!dev)
1304 return;
1305
1306 PRINT_D(INIT_DBG, "Setting Multicast List with count = %d.\n", dev->mc.count);
1307
1308 if (dev->flags & IFF_PROMISC) {
1309 /* Normally, we should configure the chip to retrive all packets
1310 * but we don't wanna support this right now */
1311 /* TODO: add promiscuous mode support */
1312 PRINT_D(INIT_DBG, "Set promiscuous mode ON, retrive all packets\n");
1313 return;
1314 }
1315
1316 /* If there's more addresses than we handle, get all multicast
1317 * packets and sort them out in software. */
1318 if ((dev->flags & IFF_ALLMULTI) || (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) {
1319 PRINT_D(INIT_DBG, "Disable multicast filter, retrive all multicast packets\n");
1320 /* get all multicast packets */
1321 host_int_setup_multicast_filter(pstrWFIDrv, false, 0);
1322 return;
1323 }
1324
1325 /* No multicast? Just get our own stuff */
1326 if ((dev->mc.count) == 0) {
1327 PRINT_D(INIT_DBG, "Enable multicast filter, retrive directed packets only.\n");
1328 host_int_setup_multicast_filter(pstrWFIDrv, true, 0);
1329 return;
1330 }
1331
1332 /* Store all of the multicast addresses in the hardware filter */
1333 netdev_for_each_mc_addr(ha, dev)
1334 {
1335 memcpy(gau8MulticastMacAddrList[i], ha->addr, ETH_ALEN);
1336 PRINT_D(INIT_DBG, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i,
1337 gau8MulticastMacAddrList[i][0], gau8MulticastMacAddrList[i][1], gau8MulticastMacAddrList[i][2], gau8MulticastMacAddrList[i][3], gau8MulticastMacAddrList[i][4], gau8MulticastMacAddrList[i][5]);
1338 i++;
1339 }
1340
1341 host_int_setup_multicast_filter(pstrWFIDrv, true, (dev->mc.count));
1342
1343 return;
1344
1345 }
1346
linux_wlan_tx_complete(void * priv,int status)1347 static void linux_wlan_tx_complete(void *priv, int status)
1348 {
1349
1350 struct tx_complete_data *pv_data = (struct tx_complete_data *)priv;
1351
1352 if (status == 1)
1353 PRINT_D(TX_DBG, "Packet sent successfully - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
1354 else
1355 PRINT_D(TX_DBG, "Couldn't send packet - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
1356 /* Free the SK Buffer, its work is done */
1357 dev_kfree_skb(pv_data->skb);
1358 kfree(pv_data);
1359 }
1360
mac_xmit(struct sk_buff * skb,struct net_device * ndev)1361 int mac_xmit(struct sk_buff *skb, struct net_device *ndev)
1362 {
1363 perInterface_wlan_t *nic;
1364 struct tx_complete_data *tx_data = NULL;
1365 int QueueCount;
1366 char *pu8UdpBuffer;
1367 struct iphdr *ih;
1368 struct ethhdr *eth_h;
1369 struct wilc *wilc;
1370
1371 nic = netdev_priv(ndev);
1372 wilc = nic->wilc;
1373
1374 PRINT_D(TX_DBG, "Sending packet just received from TCP/IP\n");
1375
1376 /* Stop the network interface queue */
1377 if (skb->dev != ndev) {
1378 PRINT_ER("Packet not destined to this device\n");
1379 return 0;
1380 }
1381
1382 tx_data = kmalloc(sizeof(struct tx_complete_data), GFP_ATOMIC);
1383 if (tx_data == NULL) {
1384 PRINT_ER("Failed to allocate memory for tx_data structure\n");
1385 dev_kfree_skb(skb);
1386 netif_wake_queue(ndev);
1387 return 0;
1388 }
1389
1390 tx_data->buff = skb->data;
1391 tx_data->size = skb->len;
1392 tx_data->skb = skb;
1393
1394 eth_h = (struct ethhdr *)(skb->data);
1395 if (eth_h->h_proto == 0x8e88)
1396 PRINT_D(INIT_DBG, "EAPOL transmitted\n");
1397
1398 /*get source and dest ip addresses*/
1399 ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
1400
1401 pu8UdpBuffer = (char *)ih + sizeof(struct iphdr);
1402 if ((pu8UdpBuffer[1] == 68 && pu8UdpBuffer[3] == 67) || (pu8UdpBuffer[1] == 67 && pu8UdpBuffer[3] == 68))
1403 PRINT_D(GENERIC_DBG, "DHCP Message transmitted, type:%x %x %x\n", pu8UdpBuffer[248], pu8UdpBuffer[249], pu8UdpBuffer[250]);
1404
1405 PRINT_D(TX_DBG, "Sending packet - Size = %d - Address = %p - SKB = %p\n", tx_data->size, tx_data->buff, tx_data->skb);
1406
1407 /* Send packet to MAC HW - for now the tx_complete function will be just status
1408 * indicator. still not sure if I need to suspend host transmission till the tx_complete
1409 * function called or not?
1410 * allocated buffer will be freed in tx_complete function.
1411 */
1412 PRINT_D(TX_DBG, "Adding tx packet to TX Queue\n");
1413 nic->netstats.tx_packets++;
1414 nic->netstats.tx_bytes += tx_data->size;
1415 tx_data->pBssid = wilc->vif[nic->u8IfIdx].bssid;
1416 QueueCount = wilc_wlan_txq_add_net_pkt(ndev, (void *)tx_data,
1417 tx_data->buff, tx_data->size,
1418 linux_wlan_tx_complete);
1419
1420 if (QueueCount > FLOW_CONTROL_UPPER_THRESHOLD) {
1421 netif_stop_queue(wilc->vif[0].ndev);
1422 netif_stop_queue(wilc->vif[1].ndev);
1423 }
1424
1425 return 0;
1426 }
1427
mac_close(struct net_device * ndev)1428 int mac_close(struct net_device *ndev)
1429 {
1430 struct wilc_priv *priv;
1431 perInterface_wlan_t *nic;
1432 struct host_if_drv *pstrWFIDrv;
1433 struct wilc *wl;
1434
1435 nic = netdev_priv(ndev);
1436
1437 if ((nic == NULL) || (nic->wilc_netdev == NULL) || (nic->wilc_netdev->ieee80211_ptr == NULL) || (nic->wilc_netdev->ieee80211_ptr->wiphy == NULL)) {
1438 PRINT_ER("nic = NULL\n");
1439 return 0;
1440 }
1441
1442 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
1443 wl = nic->wilc;
1444
1445 if (priv == NULL) {
1446 PRINT_ER("priv = NULL\n");
1447 return 0;
1448 }
1449
1450 pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv;
1451
1452 PRINT_D(GENERIC_DBG, "Mac close\n");
1453
1454 if (!wl) {
1455 PRINT_ER("wl = NULL\n");
1456 return 0;
1457 }
1458
1459 if (pstrWFIDrv == NULL) {
1460 PRINT_ER("pstrWFIDrv = NULL\n");
1461 return 0;
1462 }
1463
1464 if ((wl->open_ifcs) > 0) {
1465 wl->open_ifcs--;
1466 } else {
1467 PRINT_ER("ERROR: MAC close called while number of opened interfaces is zero\n");
1468 return 0;
1469 }
1470
1471 if (nic->wilc_netdev != NULL) {
1472 /* Stop the network interface queue */
1473 netif_stop_queue(nic->wilc_netdev);
1474
1475 wilc_deinit_host_int(nic->wilc_netdev);
1476 }
1477
1478 if (wl->open_ifcs == 0) {
1479 PRINT_D(GENERIC_DBG, "Deinitializing wilc1000\n");
1480 wl->close = 1;
1481 wilc1000_wlan_deinit(ndev);
1482 WILC_WFI_deinit_mon_interface();
1483 }
1484
1485 up(&close_exit_sync);
1486 nic->mac_opened = 0;
1487
1488 return 0;
1489 }
1490
mac_ioctl(struct net_device * ndev,struct ifreq * req,int cmd)1491 int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
1492 {
1493
1494 u8 *buff = NULL;
1495 s8 rssi;
1496 u32 size = 0, length = 0;
1497 perInterface_wlan_t *nic;
1498 struct wilc_priv *priv;
1499 s32 s32Error = 0;
1500 struct wilc *wilc;
1501
1502 /* struct iwreq *wrq = (struct iwreq *) req; // tony moved to case SIOCSIWPRIV */
1503 nic = netdev_priv(ndev);
1504 wilc = nic->wilc;
1505
1506 if (!wilc->initialized)
1507 return 0;
1508
1509 switch (cmd) {
1510
1511 /* ]] 2013-06-24 */
1512 case SIOCSIWPRIV:
1513 {
1514 struct iwreq *wrq = (struct iwreq *) req; /* added by tony */
1515
1516 size = wrq->u.data.length;
1517
1518 if (size && wrq->u.data.pointer) {
1519
1520 buff = memdup_user(wrq->u.data.pointer, wrq->u.data.length);
1521 if (IS_ERR(buff))
1522 return PTR_ERR(buff);
1523
1524 if (strncasecmp(buff, "RSSI", length) == 0) {
1525 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
1526 s32Error = host_int_get_rssi(priv->hWILCWFIDrv, &(rssi));
1527 if (s32Error)
1528 PRINT_ER("Failed to send get rssi param's message queue ");
1529 PRINT_INFO(GENERIC_DBG, "RSSI :%d\n", rssi);
1530
1531 /*Rounding up the rssi negative value*/
1532 rssi += 5;
1533
1534 snprintf(buff, size, "rssi %d", rssi);
1535
1536 if (copy_to_user(wrq->u.data.pointer, buff, size)) {
1537 PRINT_ER("%s: failed to copy data to user buffer\n", __func__);
1538 s32Error = -EFAULT;
1539 goto done;
1540 }
1541 }
1542 }
1543 }
1544 break;
1545
1546 default:
1547 {
1548 PRINT_INFO(GENERIC_DBG, "Command - %d - has been received\n", cmd);
1549 s32Error = -EOPNOTSUPP;
1550 goto done;
1551 }
1552 }
1553
1554 done:
1555
1556 kfree(buff);
1557
1558 return s32Error;
1559 }
1560
frmw_to_linux(struct wilc * wilc,u8 * buff,u32 size,u32 pkt_offset)1561 void frmw_to_linux(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset)
1562 {
1563
1564 unsigned int frame_len = 0;
1565 int stats;
1566 unsigned char *buff_to_send = NULL;
1567 struct sk_buff *skb;
1568 struct net_device *wilc_netdev;
1569 perInterface_wlan_t *nic;
1570
1571 wilc_netdev = GetIfHandler(wilc, buff);
1572 if (wilc_netdev == NULL)
1573 return;
1574
1575 buff += pkt_offset;
1576 nic = netdev_priv(wilc_netdev);
1577
1578 if (size > 0) {
1579
1580 frame_len = size;
1581 buff_to_send = buff;
1582
1583 /* Need to send the packet up to the host, allocate a skb buffer */
1584 skb = dev_alloc_skb(frame_len);
1585 if (skb == NULL) {
1586 PRINT_ER("Low memory - packet droped\n");
1587 return;
1588 }
1589
1590 if (wilc == NULL || wilc_netdev == NULL)
1591 PRINT_ER("wilc_netdev in wilc is NULL");
1592 skb->dev = wilc_netdev;
1593
1594 if (skb->dev == NULL)
1595 PRINT_ER("skb->dev is NULL\n");
1596
1597 /*
1598 * for(i=0;i<40;i++)
1599 * {
1600 * if(i<frame_len)
1601 * WILC_PRINTF("buff_to_send[%d]=%2x\n",i,buff_to_send[i]);
1602 *
1603 * }*/
1604
1605 /* skb_put(skb, frame_len); */
1606 memcpy(skb_put(skb, frame_len), buff_to_send, frame_len);
1607
1608 /* WILC_PRINTF("After MEM_CPY\n"); */
1609
1610 /* nic = netdev_priv(wilc_netdev); */
1611
1612 skb->protocol = eth_type_trans(skb, wilc_netdev);
1613 /* Send the packet to the stack by giving it to the bridge */
1614 nic->netstats.rx_packets++;
1615 nic->netstats.rx_bytes += frame_len;
1616 skb->ip_summed = CHECKSUM_UNNECESSARY;
1617 stats = netif_rx(skb);
1618 PRINT_D(RX_DBG, "netif_rx ret value is: %d\n", stats);
1619 }
1620 }
1621
WILC_WFI_mgmt_rx(struct wilc * wilc,u8 * buff,u32 size)1622 void WILC_WFI_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size)
1623 {
1624 int i = 0;
1625 perInterface_wlan_t *nic;
1626
1627 /*Pass the frame on the monitor interface, if any.*/
1628 /*Otherwise, pass it on p2p0 netdev, if registered on it*/
1629 for (i = 0; i < wilc->vif_num; i++) {
1630 nic = netdev_priv(wilc->vif[i].ndev);
1631 if (nic->monitor_flag) {
1632 WILC_WFI_monitor_rx(buff, size);
1633 return;
1634 }
1635 }
1636
1637 nic = netdev_priv(wilc->vif[1].ndev); /* p2p0 */
1638 if ((buff[0] == nic->g_struct_frame_reg[0].frame_type && nic->g_struct_frame_reg[0].reg) ||
1639 (buff[0] == nic->g_struct_frame_reg[1].frame_type && nic->g_struct_frame_reg[1].reg))
1640 WILC_WFI_p2p_rx(wilc->vif[1].ndev, buff, size);
1641 }
1642
wl_wlan_cleanup(void)1643 void wl_wlan_cleanup(void)
1644 {
1645 int i = 0;
1646 perInterface_wlan_t *nic[NUM_CONCURRENT_IFC];
1647
1648 if (g_linux_wlan &&
1649 (g_linux_wlan->vif[0].ndev || g_linux_wlan->vif[1].ndev)) {
1650 unregister_inetaddr_notifier(&g_dev_notifier);
1651
1652 for (i = 0; i < NUM_CONCURRENT_IFC; i++)
1653 nic[i] = netdev_priv(g_linux_wlan->vif[i].ndev);
1654 }
1655
1656 if (g_linux_wlan && g_linux_wlan->firmware)
1657 release_firmware(g_linux_wlan->firmware);
1658
1659 if (g_linux_wlan &&
1660 (g_linux_wlan->vif[0].ndev || g_linux_wlan->vif[1].ndev)) {
1661 linux_wlan_lock_timeout(&close_exit_sync, 12 * 1000);
1662
1663 for (i = 0; i < NUM_CONCURRENT_IFC; i++)
1664 if (g_linux_wlan->vif[i].ndev)
1665 if (nic[i]->mac_opened)
1666 mac_close(g_linux_wlan->vif[i].ndev);
1667
1668 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
1669 unregister_netdev(g_linux_wlan->vif[i].ndev);
1670 wilc_free_wiphy(g_linux_wlan->vif[i].ndev);
1671 free_netdev(g_linux_wlan->vif[i].ndev);
1672 }
1673 }
1674
1675 kfree(g_linux_wlan);
1676
1677 #if defined(WILC_DEBUGFS)
1678 wilc_debugfs_remove();
1679 #endif
1680 linux_wlan_device_detection(0);
1681 linux_wlan_device_power(0);
1682 }
1683
wilc_netdev_init(struct wilc ** wilc)1684 int wilc_netdev_init(struct wilc **wilc)
1685 {
1686 int i;
1687 perInterface_wlan_t *nic;
1688 struct net_device *ndev;
1689
1690 sema_init(&close_exit_sync, 0);
1691
1692 /*create the common structure*/
1693 g_linux_wlan = kzalloc(sizeof(*g_linux_wlan), GFP_KERNEL);
1694 if (!g_linux_wlan)
1695 return -ENOMEM;
1696
1697 *wilc = g_linux_wlan;
1698
1699 register_inetaddr_notifier(&g_dev_notifier);
1700
1701 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
1702 /*allocate first ethernet device with perinterface_wlan_t as its private data*/
1703 ndev = alloc_etherdev(sizeof(perInterface_wlan_t));
1704 if (!ndev) {
1705 PRINT_ER("Failed to allocate ethernet dev\n");
1706 return -1;
1707 }
1708
1709 nic = netdev_priv(ndev);
1710 memset(nic, 0, sizeof(perInterface_wlan_t));
1711
1712 /*Name the Devices*/
1713 if (i == 0) {
1714 #if defined(NM73131) /* tony, 2012-09-20 */
1715 strcpy(ndev->name, "wilc_eth%d");
1716 #elif defined(PLAT_CLM9722) /* rachel */
1717 strcpy(ndev->name, "eth%d");
1718 #else /* PANDA_BOARD, PLAT_ALLWINNER_A10, PLAT_ALLWINNER_A20, PLAT_ALLWINNER_A31, PLAT_AML8726_M3 or PLAT_WMS8304 */
1719 strcpy(ndev->name, "wlan%d");
1720 #endif
1721 } else
1722 strcpy(ndev->name, "p2p%d");
1723
1724 nic->u8IfIdx = g_linux_wlan->vif_num;
1725 nic->wilc_netdev = ndev;
1726 nic->wilc = *wilc;
1727 g_linux_wlan->vif[g_linux_wlan->vif_num].ndev = ndev;
1728 g_linux_wlan->vif_num++;
1729 ndev->netdev_ops = &wilc_netdev_ops;
1730
1731 {
1732 struct wireless_dev *wdev;
1733 /*Register WiFi*/
1734 wdev = wilc_create_wiphy(ndev);
1735
1736 #ifdef WILC_SDIO
1737 /* set netdev, tony */
1738 SET_NETDEV_DEV(ndev, &local_sdio_func->dev);
1739 #endif
1740
1741 if (wdev == NULL) {
1742 PRINT_ER("Can't register WILC Wiphy\n");
1743 return -1;
1744 }
1745
1746 /*linking the wireless_dev structure with the netdevice*/
1747 nic->wilc_netdev->ieee80211_ptr = wdev;
1748 nic->wilc_netdev->ml_priv = nic;
1749 wdev->netdev = nic->wilc_netdev;
1750 nic->netstats.rx_packets = 0;
1751 nic->netstats.tx_packets = 0;
1752 nic->netstats.rx_bytes = 0;
1753 nic->netstats.tx_bytes = 0;
1754
1755 }
1756
1757 if (register_netdev(ndev)) {
1758 PRINT_ER("Device couldn't be registered - %s\n", ndev->name);
1759 return -1; /* ERROR */
1760 }
1761
1762 nic->iftype = STATION_MODE;
1763 nic->mac_opened = 0;
1764
1765 }
1766
1767 #ifndef WILC_SDIO
1768 if (!linux_spi_init(&g_linux_wlan->wilc_spidev)) {
1769 PRINT_ER("Can't initialize SPI\n");
1770 return -1; /* ERROR */
1771 }
1772 g_linux_wlan->wilc_spidev = wilc_spi_dev;
1773 #else
1774 g_linux_wlan->wilc_sdio_func = local_sdio_func;
1775 #endif
1776
1777 return 0;
1778 }
1779
1780 /*The 1st function called after module inserted*/
init_wilc_driver(void)1781 static int __init init_wilc_driver(void)
1782 {
1783 #ifdef WILC_SPI
1784 struct wilc *wilc;
1785 #endif
1786
1787 #if defined(WILC_DEBUGFS)
1788 if (wilc_debugfs_init() < 0) {
1789 PRINT_D(GENERIC_DBG, "fail to create debugfs for wilc driver\n");
1790 return -1;
1791 }
1792 #endif
1793
1794 printk("IN INIT FUNCTION\n");
1795 printk("*** WILC1000 driver VERSION=[10.2] FW_VER=[10.2] ***\n");
1796
1797 linux_wlan_device_power(1);
1798 msleep(100);
1799 linux_wlan_device_detection(1);
1800
1801 #ifdef WILC_SDIO
1802 {
1803 int ret;
1804
1805 ret = sdio_register_driver(&wilc_bus);
1806 if (ret < 0)
1807 PRINT_D(INIT_DBG, "init_wilc_driver: Failed register sdio driver\n");
1808
1809 return ret;
1810 }
1811 #else
1812 PRINT_D(INIT_DBG, "Initializing netdev\n");
1813 if (wilc_netdev_init(&wilc))
1814 PRINT_ER("Couldn't initialize netdev\n");
1815 return 0;
1816 #endif
1817 }
1818 late_initcall(init_wilc_driver);
1819
exit_wilc_driver(void)1820 static void __exit exit_wilc_driver(void)
1821 {
1822 #ifndef WILC_SDIO
1823 PRINT_D(INIT_DBG, "SPI unregister...\n");
1824 spi_unregister_driver(&wilc_bus);
1825 #else
1826 PRINT_D(INIT_DBG, "SDIO unregister...\n");
1827 sdio_unregister_driver(&wilc_bus);
1828 #endif
1829 }
1830 module_exit(exit_wilc_driver);
1831
1832 MODULE_LICENSE("GPL");
1833