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net: Add inet_addr lookup by table
[linux-2.6/btrfs-unstable.git] / drivers / staging / wilc1000 / linux_wlan.c
blobb352c504a77d273d23712addeaca6ae79013451a
1 #ifndef SIMULATION
2 #include "wilc_wfi_cfgoperations.h"
3 #include "linux_wlan_common.h"
4 #include "wilc_wlan_if.h"
5 #include "wilc_wlan.h"
6 #ifdef USE_WIRELESS
7 #include "wilc_wfi_cfgoperations.h"
8 #endif
9
10 #include "linux_wlan_common.h"
11
12 #include <linux/slab.h>
13 #include <linux/sched.h>
14 #include <linux/delay.h>
15 #include <linux/workqueue.h>
16 #include <linux/interrupt.h>
17 #include <linux/irq.h>
18 #include <linux/gpio.h>
19
20 #include <linux/kthread.h>
21 #include <linux/firmware.h>
22 #include <linux/delay.h>
23
24 #include <linux/init.h>
25 #include <linux/netdevice.h>
26 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
27 #include <linux/inetdevice.h>
28 #endif
29 #include <linux/etherdevice.h>
30 #include <linux/module.h>
31 #include <linux/kernel.h>
32 #include <linux/skbuff.h>
33
34 #include <linux/version.h>
35 #include <linux/semaphore.h>
36
37 #ifdef WILC_SDIO
38 #include "linux_wlan_sdio.h"
39 #else
40 #include "linux_wlan_spi.h"
41 #endif
42
43 #ifdef WILC_FULLY_HOSTING_AP
44 #include "wilc_host_ap.h"
45 #endif
46
47 #ifdef STATIC_MACADDRESS /* brandy_0724 [[ */
48 #include <linux/vmalloc.h>
49 #include <linux/fs.h>
50 struct task_struct *wilc_mac_thread;
51 unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xb2};
52 #endif /* brandy_0724 ]] */
53
54 #if defined(CUSTOMER_PLATFORM)
55 /*
56 TODO : Write power control functions as customer platform.
57 */
58 #else
59
60 #define _linux_wlan_device_power_on() {}
61 #define _linux_wlan_device_power_off() {}
62
63 #define _linux_wlan_device_detection() {}
64 #define _linux_wlan_device_removal() {}
65 #endif
66
67 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
68 extern bool g_obtainingIP;
69 #endif
70 extern u16 Set_machw_change_vir_if(bool bValue);
71 extern void resolve_disconnect_aberration(void *drvHandler);
72 extern u8 gau8MulticastMacAddrList[WILC_MULTICAST_TABLE_SIZE][ETH_ALEN];
73 void wilc1000_wlan_deinit(linux_wlan_t *nic);
74 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
75 extern WILC_TimerHandle hDuringIpTimer;
76 #endif
77
78 static int linux_wlan_device_power(int on_off)
79 {
80 PRINT_D(INIT_DBG, "linux_wlan_device_power.. (%d)\n", on_off);
81
82 if (on_off) {
83 _linux_wlan_device_power_on();
84 } else {
85 _linux_wlan_device_power_off();
86 }
87
88 return 0;
89 }
90
91 static int linux_wlan_device_detection(int on_off)
92 {
93 PRINT_D(INIT_DBG, "linux_wlan_device_detection.. (%d)\n", on_off);
94
95 #ifdef WILC_SDIO
96 if (on_off) {
97 _linux_wlan_device_detection();
98 } else {
99 _linux_wlan_device_removal();
100 }
101 #endif
102
103 return 0;
104 }
105
106
107 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
108 static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr);
109
110 static struct notifier_block g_dev_notifier = {
111 .notifier_call = dev_state_ev_handler
112 };
113 #endif
114
115 #define wilc_wlan_deinit(nic) { if (&g_linux_wlan->oup != NULL) \
116 if (g_linux_wlan->oup.wlan_cleanup != NULL) \
117 g_linux_wlan->oup.wlan_cleanup(); }
118
119
120 #ifndef STA_FIRMWARE
121 #define STA_FIRMWARE "wifi_firmware.bin"
122 #endif
123
124 #ifndef AP_FIRMWARE
125 #define AP_FIRMWARE "wifi_firmware_ap.bin"
126 #endif
127
128 #ifndef P2P_CONCURRENCY_FIRMWARE
129 #define P2P_CONCURRENCY_FIRMWARE "wifi_firmware_p2p_concurrency.bin"
130 #endif
131
132
133
134 typedef struct android_wifi_priv_cmd {
135 char *buf;
136 int used_len;
137 int total_len;
138 } android_wifi_priv_cmd;
139
140
141 #define IRQ_WAIT 1
142 #define IRQ_NO_WAIT 0
143 /*
144 * to sync between mac_close and module exit.
145 * don't initialize or de-initialize from init/deinitlocks
146 * to be initialized from module wilc_netdev_init and
147 * deinitialized from mdoule_exit
148 */
149 static struct semaphore close_exit_sync;
150 unsigned int int_rcvdU;
151 unsigned int int_rcvdB;
152 unsigned int int_clrd;
153
154 static int wlan_deinit_locks(linux_wlan_t *nic);
155 static void wlan_deinitialize_threads(linux_wlan_t *nic);
156 static void linux_wlan_lock(void *vp);
157 void linux_wlan_unlock(void *vp);
158 extern void WILC_WFI_monitor_rx(uint8_t *buff, uint32_t size);
159 extern void WILC_WFI_p2p_rx(struct net_device *dev, uint8_t *buff, uint32_t size);
160
161
162 static void *internal_alloc(uint32_t size, uint32_t flag);
163 static void linux_wlan_tx_complete(void *priv, int status);
164 void frmw_to_linux(uint8_t *buff, uint32_t size, uint32_t pkt_offset);
165 static int mac_init_fn(struct net_device *ndev);
166 int mac_xmit(struct sk_buff *skb, struct net_device *dev);
167 int mac_open(struct net_device *ndev);
168 int mac_close(struct net_device *ndev);
169 static struct net_device_stats *mac_stats(struct net_device *dev);
170 static int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd);
171 static void wilc_set_multicast_list(struct net_device *dev);
172
173
174
175 /*
176 * for now - in frmw_to_linux there should be private data to be passed to it
177 * and this data should be pointer to net device
178 */
179 linux_wlan_t *g_linux_wlan;
180 wilc_wlan_oup_t *gpstrWlanOps;
181 bool bEnablePS = true;
182
183 static const struct net_device_ops wilc_netdev_ops = {
184 .ndo_init = mac_init_fn,
185 .ndo_open = mac_open,
186 .ndo_stop = mac_close,
187 .ndo_start_xmit = mac_xmit,
188 .ndo_do_ioctl = mac_ioctl,
189 .ndo_get_stats = mac_stats,
190 .ndo_set_rx_mode = wilc_set_multicast_list,
191
192 };
193
194 #ifdef DEBUG_MODE
195
196 extern volatile int timeNo;
197
198 #define DEGUG_BUFFER_LENGTH 1000
199 volatile int WatchDogdebuggerCounter;
200 char DebugBuffer[DEGUG_BUFFER_LENGTH + 20] = {0};
201 static char *ps8current = DebugBuffer;
202
203
204
205 void printk_later(const char *format, ...)
206 {
207 va_list args;
208 va_start (args, format);
209 ps8current += vsprintf (ps8current, format, args);
210 va_end (args);
211 if ((ps8current - DebugBuffer) > DEGUG_BUFFER_LENGTH) {
212 ps8current = DebugBuffer;
213 }
214
215 }
216
217
218 void dump_logs()
219 {
220 if (DebugBuffer[0]) {
221 DebugBuffer[DEGUG_BUFFER_LENGTH] = 0;
222 PRINT_INFO(GENERIC_DBG, "early printed\n");
223 PRINT_D(GENERIC_DBG, ps8current + 1);
224 ps8current[1] = 0;
225 PRINT_INFO(GENERIC_DBG, "latest printed\n");
226 PRINT_D(GENERIC_DBG, DebugBuffer);
227 DebugBuffer[0] = 0;
228 ps8current = DebugBuffer;
229 }
230 }
231
232 void Reset_WatchDogdebugger()
233 {
234 WatchDogdebuggerCounter = 0;
235 }
236
237 static int DebuggingThreadTask(void *vp)
238 {
239 while (1) {
240 while (!WatchDogdebuggerCounter) {
241 PRINT_D(GENERIC_DBG, "Debug Thread Running %d\n", timeNo);
242 WatchDogdebuggerCounter = 1;
243 msleep(10000);
244 }
245 dump_logs();
246 WatchDogdebuggerCounter = 0;
247 }
248 }
249
250
251 #endif
252
253
254 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
255 static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr)
256 {
257 struct in_ifaddr *dev_iface = (struct in_ifaddr *)ptr;
258 struct WILC_WFI_priv *priv;
259 tstrWILC_WFIDrv *pstrWFIDrv;
260 struct net_device *dev;
261 u8 *pIP_Add_buff;
262 perInterface_wlan_t *nic;
263 u8 null_ip[4] = {0};
264 char wlan_dev_name[5] = "wlan0";
265
266 if (dev_iface == NULL || dev_iface->ifa_dev == NULL || dev_iface->ifa_dev->dev == NULL) {
267 PRINT_D(GENERIC_DBG, "dev_iface = NULL\n");
268 return NOTIFY_DONE;
269 }
270
271 if ((memcmp(dev_iface->ifa_label, "wlan0", 5)) && (memcmp(dev_iface->ifa_label, "p2p0", 4))) {
272 PRINT_D(GENERIC_DBG, "Interface is neither WLAN0 nor P2P0\n");
273 return NOTIFY_DONE;
274 }
275
276 dev = (struct net_device *)dev_iface->ifa_dev->dev;
277 if (dev->ieee80211_ptr == NULL || dev->ieee80211_ptr->wiphy == NULL) {
278 PRINT_D(GENERIC_DBG, "No Wireless registerd\n");
279 return NOTIFY_DONE;
280 }
281 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
282 if (priv == NULL) {
283 PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
284 return NOTIFY_DONE;
285 }
286 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
287 nic = netdev_priv(dev);
288 if (nic == NULL || pstrWFIDrv == NULL) {
289 PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
290 return NOTIFY_DONE;
291 }
292
293 PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler +++\n"); /* tony */
294
295 switch (event) {
296 case NETDEV_UP:
297 PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_UP %p\n", dev); /* tony */
298
299 PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Obtained ===============\n\n");
300
301
302 /*If we are in station mode or client mode*/
303 if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) {
304 pstrWFIDrv->IFC_UP = 1;
305 g_obtainingIP = false;
306 WILC_TimerStop(&hDuringIpTimer, NULL);
307 PRINT_D(GENERIC_DBG, "IP obtained , enable scan\n");
308 }
309
310
311
312 if (bEnablePS)
313 host_int_set_power_mgmt((WILC_WFIDrvHandle)pstrWFIDrv, 1, 0);
314
315 PRINT_D(GENERIC_DBG, "[%s] Up IP\n", dev_iface->ifa_label);
316
317 pIP_Add_buff = (char *) (&(dev_iface->ifa_address));
318 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]);
319 host_int_setup_ipaddress((WILC_WFIDrvHandle)pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
320
321 break;
322
323 case NETDEV_DOWN:
324 PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_DOWN %p\n", dev); /* tony */
325
326 PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Released ===============\n\n");
327 if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) {
328 pstrWFIDrv->IFC_UP = 0;
329 g_obtainingIP = false;
330 }
331
332 if (memcmp(dev_iface->ifa_label, wlan_dev_name, 5) == 0)
333 host_int_set_power_mgmt((WILC_WFIDrvHandle)pstrWFIDrv, 0, 0);
334
335 resolve_disconnect_aberration(pstrWFIDrv);
336
337
338 PRINT_D(GENERIC_DBG, "[%s] Down IP\n", dev_iface->ifa_label);
339
340 pIP_Add_buff = null_ip;
341 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]);
342
343 host_int_setup_ipaddress((WILC_WFIDrvHandle)pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
344
345 break;
346
347 default:
348 PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler event=default\n"); /* tony */
349 PRINT_INFO(GENERIC_DBG, "[%s] unknown dev event: %lu\n", dev_iface->ifa_label, event);
350
351 break;
352 }
353
354 return NOTIFY_DONE;
355
356 }
357 #endif
358
359 /*
360 * Interrupt initialization and handling functions
361 */
362
363 void linux_wlan_enable_irq(void)
364 {
365
366 #if (RX_BH_TYPE != RX_BH_THREADED_IRQ)
367 #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
368 PRINT_D(INT_DBG, "Enabling IRQ ...\n");
369 enable_irq(g_linux_wlan->dev_irq_num);
370 #endif
371 #endif
372 }
373
374 void linux_wlan_disable_irq(int wait)
375 {
376 #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
377 if (wait) {
378 PRINT_D(INT_DBG, "Disabling IRQ ...\n");
379 disable_irq(g_linux_wlan->dev_irq_num);
380 } else {
381 PRINT_D(INT_DBG, "Disabling IRQ ...\n");
382 disable_irq_nosync(g_linux_wlan->dev_irq_num);
383 }
384 #endif
385 }
386
387 #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
388 static irqreturn_t isr_uh_routine(int irq, void *user_data)
389 {
390
391
392 int_rcvdU++;
393 #if (RX_BH_TYPE != RX_BH_THREADED_IRQ)
394 linux_wlan_disable_irq(IRQ_NO_WAIT);
395 #endif
396 PRINT_D(INT_DBG, "Interrupt received UH\n");
397
398 /*While mac is closing cacncel the handling of any interrupts received*/
399 if (g_linux_wlan->close) {
400 PRINT_ER("Driver is CLOSING: Can't handle UH interrupt\n");
401 #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
402 return IRQ_HANDLED;
403 #else
404 return IRQ_NONE;
405 #endif
406
407 }
408 #if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
409 schedule_work(&g_linux_wlan->rx_work_queue);
410 return IRQ_HANDLED;
411 #elif (RX_BH_TYPE == RX_BH_KTHREAD)
412 linux_wlan_unlock(&g_linux_wlan->rx_sem);
413 return IRQ_HANDLED;
414 #elif (RX_BH_TYPE == RX_BH_THREADED_IRQ)
415 return IRQ_WAKE_THREAD;
416 #endif
417
418 }
419 #endif
420
421 #if (RX_BH_TYPE == RX_BH_WORK_QUEUE || RX_BH_TYPE == RX_BH_THREADED_IRQ)
422
423 #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
424 irqreturn_t isr_bh_routine(int irq, void *userdata)
425 {
426 linux_wlan_t *nic;
427 nic = (linux_wlan_t *)userdata;
428 #else
429 static void isr_bh_routine(struct work_struct *work)
430 {
431 perInterface_wlan_t *nic;
432 nic = (perInterface_wlan_t *)container_of(work, linux_wlan_t, rx_work_queue);
433 #endif
434
435 /*While mac is closing cacncel the handling of any interrupts received*/
436 if (g_linux_wlan->close) {
437 PRINT_ER("Driver is CLOSING: Can't handle BH interrupt\n");
438 #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
439 return IRQ_HANDLED;
440 #else
441 return;
442 #endif
443
444
445
446 }
447
448 int_rcvdB++;
449 PRINT_D(INT_DBG, "Interrupt received BH\n");
450 if (g_linux_wlan->oup.wlan_handle_rx_isr != 0) {
451 g_linux_wlan->oup.wlan_handle_rx_isr();
452 } else {
453 PRINT_ER("wlan_handle_rx_isr() hasn't been initialized\n");
454 }
455
456
457 #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
458 return IRQ_HANDLED;
459 #endif
460 }
461 #elif (RX_BH_TYPE == RX_BH_KTHREAD)
462 static int isr_bh_routine(void *vp)
463 {
464 linux_wlan_t *nic;
465
466 nic = (linux_wlan_t *)vp;
467
468 while (1) {
469 linux_wlan_lock(&nic->rx_sem);
470 if (g_linux_wlan->close) {
471
472 while (!kthread_should_stop())
473 schedule();
474
475 break;
476 }
477 int_rcvdB++;
478 PRINT_D(INT_DBG, "Interrupt received BH\n");
479 if (g_linux_wlan->oup.wlan_handle_rx_isr != 0) {
480 g_linux_wlan->oup.wlan_handle_rx_isr();
481 } else {
482 PRINT_ER("wlan_handle_rx_isr() hasn't been initialized\n");
483 }
484 }
485
486 return 0;
487 }
488 #endif
489
490
491 #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
492 static int init_irq(linux_wlan_t *p_nic)
493 {
494 int ret = 0;
495 linux_wlan_t *nic = p_nic;
496
497 /*initialize GPIO and register IRQ num*/
498 /*GPIO request*/
499 if ((gpio_request(GPIO_NUM, "WILC_INTR") == 0) &&
500 (gpio_direction_input(GPIO_NUM) == 0)) {
501 #if defined(CUSTOMER_PLATFORM)
502 /*
503 TODO : save the registerd irq number to the private wilc context in kernel.
504 *
505 * ex) nic->dev_irq_num = gpio_to_irq(GPIO_NUM);
506 */
507 #elif defined (NM73131_0_BOARD)
508 nic->dev_irq_num = IRQ_WILC1000;
509 #elif defined (PANDA_BOARD)
510 gpio_export(GPIO_NUM, 1);
511 nic->dev_irq_num = OMAP_GPIO_IRQ(GPIO_NUM);
512 irq_set_irq_type(nic->dev_irq_num, IRQ_TYPE_LEVEL_LOW);
513 #else
514 nic->dev_irq_num = gpio_to_irq(GPIO_NUM);
515 #endif
516 } else {
517 ret = -1;
518 PRINT_ER("could not obtain gpio for WILC_INTR\n");
519 }
520
521
522 #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
523 if ((ret != -1) && (request_threaded_irq(nic->dev_irq_num, isr_uh_routine, isr_bh_routine,
524 IRQF_TRIGGER_LOW | IRQF_ONESHOT, /*Without IRQF_ONESHOT the uh will remain kicked in and dont gave a chance to bh*/
525 "WILC_IRQ", nic)) < 0) {
526
527 #else
528 /*Request IRQ*/
529 if ((ret != -1) && (request_irq(nic->dev_irq_num, isr_uh_routine,
530 IRQF_TRIGGER_LOW, "WILC_IRQ", nic) < 0)) {
531
532 #endif
533 PRINT_ER("Failed to request IRQ for GPIO: %d\n", GPIO_NUM);
534 ret = -1;
535 } else {
536
537 PRINT_D(INIT_DBG, "IRQ request succeeded IRQ-NUM= %d on GPIO: %d\n",
538 nic->dev_irq_num, GPIO_NUM);
539 }
540
541 return ret;
542 }
543 #endif
544
545 static void deinit_irq(linux_wlan_t *nic)
546 {
547 #if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
548 /* Deintialize IRQ */
549 if (&nic->dev_irq_num != 0) {
550 free_irq(nic->dev_irq_num, g_linux_wlan);
551
552 gpio_free(GPIO_NUM);
553 }
554 #endif
555 }
556
557
558 /*
559 * OS functions
560 */
561 static void linux_wlan_msleep(uint32_t msc)
562 {
563 if (msc <= 4000000) {
564 u32 u32Temp = msc * 1000;
565 usleep_range(u32Temp, u32Temp);
566 } else {
567 msleep(msc);
568 }
569 }
570
571 static void linux_wlan_atomic_msleep(uint32_t msc)
572 {
573 mdelay(msc);
574 }
575 static void linux_wlan_dbg(uint8_t *buff)
576 {
577 PRINT_D(INIT_DBG, "%d\n", *buff);
578 }
579
580 static void *linux_wlan_malloc_atomic(uint32_t sz)
581 {
582 char *pntr = NULL;
583 pntr = kmalloc(sz, GFP_ATOMIC);
584 PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", sz, pntr);
585 return (void *)pntr;
586
587 }
588 static void *linux_wlan_malloc(uint32_t sz)
589 {
590 char *pntr = NULL;
591 pntr = kmalloc(sz, GFP_KERNEL);
592 PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", sz, pntr);
593 return (void *)pntr;
594 }
595
596 void linux_wlan_free(void *vp)
597 {
598 if (vp != NULL) {
599 PRINT_D(MEM_DBG, "Freeing %p\n", vp);
600 kfree(vp);
601 }
602 }
603
604
605 static void *internal_alloc(uint32_t size, uint32_t flag)
606 {
607 char *pntr = NULL;
608 pntr = kmalloc(size, flag);
609 PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", size, pntr);
610 return (void *)pntr;
611 }
612
613
614 static void linux_wlan_init_lock(char *lockName, void *plock, int count)
615 {
616 sema_init((struct semaphore *)plock, count);
617 PRINT_D(LOCK_DBG, "Initializing [%s][%p]\n", lockName, plock);
618
619 }
620
621 static void linux_wlan_deinit_lock(void *plock)
622 {
623 /* mutex_destroy((struct mutex*)plock); */
624 }
625
626 static void linux_wlan_lock(void *vp)
627 {
628 PRINT_D(LOCK_DBG, "Locking %p\n", vp);
629 if (vp != NULL) {
630 while (down_interruptible((struct semaphore *) vp))
631 ;
632 } else {
633 PRINT_ER("Failed, mutex is NULL\n");
634 }
635 }
636
637 static int linux_wlan_lock_timeout(void *vp, u32 timeout)
638 {
639 int error = -1;
640 PRINT_D(LOCK_DBG, "Locking %p\n", vp);
641 if (vp != NULL) {
642 error = down_timeout((struct semaphore *)vp, msecs_to_jiffies(timeout));
643 } else {
644 PRINT_ER("Failed, mutex is NULL\n");
645 }
646 return error;
647 }
648
649 void linux_wlan_unlock(void *vp)
650 {
651 PRINT_D(LOCK_DBG, "Unlocking %p\n", vp);
652 if (vp != NULL) {
653 up((struct semaphore *)vp);
654 } else {
655 PRINT_ER("Failed, mutex is NULL\n");
656 }
657 }
658
659
660 static void linux_wlan_init_mutex(char *lockName, void *plock, int count)
661 {
662 mutex_init((struct mutex *)plock);
663 PRINT_D(LOCK_DBG, "Initializing mutex [%s][%p]\n", lockName, plock);
664
665 }
666
667 static void linux_wlan_deinit_mutex(void *plock)
668 {
669 mutex_destroy((struct mutex *)plock);
670 }
671
672 static void linux_wlan_lock_mutex(void *vp)
673 {
674 PRINT_D(LOCK_DBG, "Locking mutex %p\n", vp);
675 if (vp != NULL) {
676 /*
677 * if(mutex_is_locked((struct mutex*)vp))
678 * {
679 * //PRINT_ER("Mutex already locked - %p \n",vp);
680 * }
681 */
682 mutex_lock((struct mutex *)vp);
683
684 } else {
685 PRINT_ER("Failed, mutex is NULL\n");
686 }
687 }
688
689 static void linux_wlan_unlock_mutex(void *vp)
690 {
691 PRINT_D(LOCK_DBG, "Unlocking mutex %p\n", vp);
692 if (vp != NULL) {
693
694 if (mutex_is_locked((struct mutex *)vp)) {
695 mutex_unlock((struct mutex *)vp);
696 } else {
697 /* PRINT_ER("Mutex already unlocked - %p\n",vp); */
698 }
699
700 } else {
701 PRINT_ER("Failed, mutex is NULL\n");
702 }
703 }
704
705
706 /*Added by Amr - BugID_4720*/
707 static void linux_wlan_init_spin_lock(char *lockName, void *plock, int count)
708 {
709 spin_lock_init((spinlock_t *)plock);
710 PRINT_D(SPIN_DEBUG, "Initializing mutex [%s][%p]\n", lockName, plock);
711
712 }
713
714 static void linux_wlan_deinit_spin_lock(void *plock)
715 {
716
717 }
718 static void linux_wlan_spin_lock(void *vp, unsigned long *flags)
719 {
720 unsigned long lflags;
721 PRINT_D(SPIN_DEBUG, "Lock spin %p\n", vp);
722 if (vp != NULL) {
723 spin_lock_irqsave((spinlock_t *)vp, lflags);
724 *flags = lflags;
725 } else {
726 PRINT_ER("Failed, spin lock is NULL\n");
727 }
728 }
729 static void linux_wlan_spin_unlock(void *vp, unsigned long *flags)
730 {
731 unsigned long lflags = *flags;
732 PRINT_D(SPIN_DEBUG, "Unlock spin %p\n", vp);
733 if (vp != NULL) {
734 spin_unlock_irqrestore((spinlock_t *)vp, lflags);
735 *flags = lflags;
736 } else {
737 PRINT_ER("Failed, spin lock is NULL\n");
738 }
739 }
740
741 static void linux_wlan_mac_indicate(int flag)
742 {
743 /*I have to do it that way becuase there is no mean to encapsulate device pointer
744 * as a parameter
745 */
746 linux_wlan_t *pd = g_linux_wlan;
747 int status;
748
749 if (flag == WILC_MAC_INDICATE_STATUS) {
750 pd->oup.wlan_cfg_get_value(WID_STATUS, (unsigned char *)&status, 4);
751 if (pd->mac_status == WILC_MAC_STATUS_INIT) {
752 pd->mac_status = status;
753 linux_wlan_unlock(&pd->sync_event);
754 } else {
755 pd->mac_status = status;
756 }
757
758 if (pd->mac_status == WILC_MAC_STATUS_CONNECT) { /* Connect */
759 }
760
761 } else if (flag == WILC_MAC_INDICATE_SCAN) {
762 PRINT_D(GENERIC_DBG, "Scanning ...\n");
763
764 }
765
766 }
767
768 struct net_device *GetIfHandler(uint8_t *pMacHeader)
769 {
770 uint8_t *Bssid, *Bssid1;
771 int i = 0;
772
773 Bssid = pMacHeader + 10;
774 Bssid1 = pMacHeader + 4;
775
776 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
777 if (!memcmp(Bssid1, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN) ||
778 !memcmp(Bssid, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN)) {
779 return g_linux_wlan->strInterfaceInfo[i].wilc_netdev;
780 }
781 }
782 PRINT_INFO(INIT_DBG, "Invalide handle\n");
783 for (i = 0; i < 25; i++) {
784 PRINT_D(INIT_DBG, "%02x ", pMacHeader[i]);
785 }
786 Bssid = pMacHeader + 18;
787 Bssid1 = pMacHeader + 12;
788 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
789 if (!memcmp(Bssid1, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN) ||
790 !memcmp(Bssid, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN)) {
791 PRINT_D(INIT_DBG, "Ctx [%p]\n", g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
792 return g_linux_wlan->strInterfaceInfo[i].wilc_netdev;
793 }
794 }
795 PRINT_INFO(INIT_DBG, "\n");
796 return NULL;
797 }
798
799 int linux_wlan_set_bssid(struct net_device *wilc_netdev, uint8_t *pBSSID)
800 {
801 int i = 0;
802 int ret = -1;
803
804 PRINT_D(INIT_DBG, "set bssid on[%p]\n", wilc_netdev);
805 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
806 if (g_linux_wlan->strInterfaceInfo[i].wilc_netdev == wilc_netdev) {
807 PRINT_D(INIT_DBG, "set bssid [%x][%x][%x]\n", pBSSID[0], pBSSID[1], pBSSID[2]);
808 memcpy(g_linux_wlan->strInterfaceInfo[i].aBSSID, pBSSID, 6);
809 ret = 0;
810 break;
811 }
812 }
813 return ret;
814 }
815
816 /*BugID_5213*/
817 /*Function to get number of connected interfaces*/
818 int linux_wlan_get_num_conn_ifcs(void)
819 {
820 uint8_t i = 0;
821 uint8_t null_bssid[6] = {0};
822 uint8_t ret_val = 0;
823
824 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
825 if (memcmp(g_linux_wlan->strInterfaceInfo[i].aBSSID, null_bssid, 6)) {
826 ret_val++;
827 }
828 }
829 return ret_val;
830 }
831
832 static int linux_wlan_rxq_task(void *vp)
833 {
834
835 /* inform wilc1000_wlan_init that RXQ task is started. */
836 linux_wlan_unlock(&g_linux_wlan->rxq_thread_started);
837 while (1) {
838 linux_wlan_lock(&g_linux_wlan->rxq_event);
839 /* wait_for_completion(&g_linux_wlan->rxq_event); */
840
841 if (g_linux_wlan->close) {
842 /*Unlock the mutex in the mac_close function to indicate the exiting of the RX thread */
843 linux_wlan_unlock(&g_linux_wlan->rxq_thread_started);
844
845 while (!kthread_should_stop())
846 schedule();
847
848 PRINT_D(RX_DBG, " RX thread stopped\n");
849 break;
850 }
851 PRINT_D(RX_DBG, "Calling wlan_handle_rx_que()\n");
852
853 g_linux_wlan->oup.wlan_handle_rx_que();
854 }
855 return 0;
856 }
857
858 #define USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
859
860 static int linux_wlan_txq_task(void *vp)
861 {
862 int ret, txq_count;
863
864 #if defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
865 #define TX_BACKOFF_WEIGHT_INCR_STEP (1)
866 #define TX_BACKOFF_WEIGHT_DECR_STEP (1)
867 #define TX_BACKOFF_WEIGHT_MAX (7)
868 #define TX_BACKOFF_WEIGHT_MIN (0)
869 #define TX_BACKOFF_WEIGHT_UNIT_MS (10)
870 int backoff_weight = TX_BACKOFF_WEIGHT_MIN;
871 signed long timeout;
872 #endif
873
874 /* inform wilc1000_wlan_init that TXQ task is started. */
875 linux_wlan_unlock(&g_linux_wlan->txq_thread_started);
876 while (1) {
877
878 PRINT_D(TX_DBG, "txq_task Taking a nap :)\n");
879 linux_wlan_lock(&g_linux_wlan->txq_event);
880 /* wait_for_completion(&pd->txq_event); */
881 PRINT_D(TX_DBG, "txq_task Who waked me up :$\n");
882
883 if (g_linux_wlan->close) {
884 /*Unlock the mutex in the mac_close function to indicate the exiting of the TX thread */
885 linux_wlan_unlock(&g_linux_wlan->txq_thread_started);
886
887 while (!kthread_should_stop())
888 schedule();
889
890 PRINT_D(TX_DBG, "TX thread stopped\n");
891 break;
892 }
893 PRINT_D(TX_DBG, "txq_task handle the sending packet and let me go to sleep.\n");
894 #if !defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
895 g_linux_wlan->oup.wlan_handle_tx_que();
896 #else
897 do {
898 ret = g_linux_wlan->oup.wlan_handle_tx_que(&txq_count);
899 if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD /* && netif_queue_stopped(pd->wilc_netdev)*/) {
900 PRINT_D(TX_DBG, "Waking up queue\n");
901 /* netif_wake_queue(pd->wilc_netdev); */
902 if (netif_queue_stopped(g_linux_wlan->strInterfaceInfo[0].wilc_netdev))
903 netif_wake_queue(g_linux_wlan->strInterfaceInfo[0].wilc_netdev);
904 if (netif_queue_stopped(g_linux_wlan->strInterfaceInfo[1].wilc_netdev))
905 netif_wake_queue(g_linux_wlan->strInterfaceInfo[1].wilc_netdev);
906 }
907
908 if (ret == WILC_TX_ERR_NO_BUF) { /* failed to allocate buffers in chip. */
909 timeout = msecs_to_jiffies(TX_BACKOFF_WEIGHT_UNIT_MS << backoff_weight);
910 do {
911 /* Back off from sending packets for some time. */
912 /* schedule_timeout will allow RX task to run and free buffers.*/
913 /* set_current_state(TASK_UNINTERRUPTIBLE); */
914 /* timeout = schedule_timeout(timeout); */
915 msleep(TX_BACKOFF_WEIGHT_UNIT_MS << backoff_weight);
916 } while (/*timeout*/ 0);
917 backoff_weight += TX_BACKOFF_WEIGHT_INCR_STEP;
918 if (backoff_weight > TX_BACKOFF_WEIGHT_MAX) {
919 backoff_weight = TX_BACKOFF_WEIGHT_MAX;
920 }
921 } else {
922 if (backoff_weight > TX_BACKOFF_WEIGHT_MIN) {
923 backoff_weight -= TX_BACKOFF_WEIGHT_DECR_STEP;
924 if (backoff_weight < TX_BACKOFF_WEIGHT_MIN) {
925 backoff_weight = TX_BACKOFF_WEIGHT_MIN;
926 }
927 }
928 }
929 /*TODO: drop packets after a certain time/number of retry count. */
930 } while (ret == WILC_TX_ERR_NO_BUF && !g_linux_wlan->close); /* retry sending packets if no more buffers in chip. */
931 #endif
932 }
933 return 0;
934 }
935
936 static void linux_wlan_rx_complete(void)
937 {
938 PRINT_D(RX_DBG, "RX completed\n");
939 }
940
941 int linux_wlan_get_firmware(perInterface_wlan_t *p_nic)
942 {
943
944 perInterface_wlan_t *nic = p_nic;
945 int ret = 0;
946 const struct firmware *wilc_firmware;
947 char *firmware;
948
949
950 if (nic->iftype == AP_MODE)
951 firmware = AP_FIRMWARE;
952 else if (nic->iftype == STATION_MODE)
953 firmware = STA_FIRMWARE;
954
955 /*BugID_5137*/
956 else {
957 PRINT_D(INIT_DBG, "Get P2P_CONCURRENCY_FIRMWARE\n");
958 firmware = P2P_CONCURRENCY_FIRMWARE;
959 }
960
961
962
963 if (nic == NULL) {
964 PRINT_ER("NIC is NULL\n");
965 goto _fail_;
966 }
967
968 if (&nic->wilc_netdev->dev == NULL) {
969 PRINT_ER("&nic->wilc_netdev->dev is NULL\n");
970 goto _fail_;
971 }
972
973
974 /* the firmare should be located in /lib/firmware in
975 * root file system with the name specified above */
976
977 #ifdef WILC_SDIO
978 if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_sdio_func->dev) != 0) {
979 PRINT_ER("%s - firmare not available\n", firmware);
980 ret = -1;
981 goto _fail_;
982 }
983 #else
984 if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_spidev->dev) != 0) {
985 PRINT_ER("%s - firmare not available\n", firmware);
986 ret = -1;
987 goto _fail_;
988 }
989 #endif
990 g_linux_wlan->wilc_firmware = wilc_firmware; /* Bug 4703 */
991
992 _fail_:
993
994 return ret;
995
996 }
997
998 #ifdef COMPLEMENT_BOOT
999 int repeat_power_cycle(perInterface_wlan_t *nic);
1000 #endif
1001
1002 static int linux_wlan_start_firmware(perInterface_wlan_t *nic)
1003 {
1004
1005 int ret = 0;
1006 /* start firmware */
1007 PRINT_D(INIT_DBG, "Starting Firmware ...\n");
1008 ret = g_linux_wlan->oup.wlan_start();
1009 if (ret < 0) {
1010 PRINT_ER("Failed to start Firmware\n");
1011 goto _fail_;
1012 }
1013
1014 /* wait for mac ready */
1015 PRINT_D(INIT_DBG, "Waiting for Firmware to get ready ...\n");
1016 ret = linux_wlan_lock_timeout(&g_linux_wlan->sync_event, 5000);
1017 if (ret) {
1018 #ifdef COMPLEMENT_BOOT
1019 static int timeout = 5;
1020
1021 if (timeout--) {
1022 PRINT_D(INIT_DBG, "repeat power cycle[%d]", timeout);
1023 ret = repeat_power_cycle(nic);
1024 } else {
1025 timeout = 5;
1026 ret = -1;
1027 goto _fail_;
1028 }
1029 #endif
1030 PRINT_D(INIT_DBG, "Firmware start timed out");
1031 goto _fail_;
1032 }
1033 /*
1034 * TODO: Driver shouoldn't wait forever for firmware to get started -
1035 * in case of timeout this should be handled properly
1036 */
1037 PRINT_D(INIT_DBG, "Firmware successfully started\n");
1038
1039 _fail_:
1040 return ret;
1041 }
1042 static int linux_wlan_firmware_download(linux_wlan_t *p_nic)
1043 {
1044
1045 int ret = 0;
1046
1047 if (g_linux_wlan->wilc_firmware == NULL) {
1048 PRINT_ER("Firmware buffer is NULL\n");
1049 ret = -ENOBUFS;
1050 goto _FAIL_;
1051 }
1052 /**
1053 * do the firmware download
1054 **/
1055 PRINT_D(INIT_DBG, "Downloading Firmware ...\n");
1056 ret = g_linux_wlan->oup.wlan_firmware_download(g_linux_wlan->wilc_firmware->data, g_linux_wlan->wilc_firmware->size);
1057 if (ret < 0) {
1058 goto _FAIL_;
1059 }
1060
1061 /* Freeing FW buffer */
1062 PRINT_D(INIT_DBG, "Freeing FW buffer ...\n");
1063 PRINT_D(INIT_DBG, "Releasing firmware\n");
1064 release_firmware(g_linux_wlan->wilc_firmware);
1065 g_linux_wlan->wilc_firmware = NULL;
1066
1067 PRINT_D(INIT_DBG, "Download Succeeded \n");
1068
1069 _FAIL_:
1070 return ret;
1071 }
1072
1073
1074 /* startup configuration - could be changed later using iconfig*/
1075 static int linux_wlan_init_test_config(struct net_device *dev, linux_wlan_t *p_nic)
1076 {
1077
1078 unsigned char c_val[64];
1079 #ifndef STATIC_MACADDRESS
1080 unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xff};
1081 #endif
1082
1083 /*BugID_5077*/
1084 struct WILC_WFI_priv *priv;
1085 tstrWILC_WFIDrv *pstrWFIDrv;
1086
1087 PRINT_D(TX_DBG, "Start configuring Firmware\n");
1088 #ifndef STATIC_MACADDRESS
1089 get_random_bytes(&mac_add[5], 1);
1090 get_random_bytes(&mac_add[4], 1);
1091 #endif
1092 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
1093 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
1094 PRINT_D(INIT_DBG, "Host = %p\n", pstrWFIDrv);
1095
1096 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]);
1097 wilc_get_chipid(0);
1098
1099
1100 if (g_linux_wlan->oup.wlan_cfg_set == NULL) {
1101 PRINT_D(INIT_DBG, "Null p[ointer\n");
1102 goto _fail_;
1103 }
1104
1105 *(int *)c_val = (u32)pstrWFIDrv;
1106
1107 if (!g_linux_wlan->oup.wlan_cfg_set(1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0))
1108 goto _fail_;
1109
1110 /*to tell fw that we are going to use PC test - WILC specific*/
1111 c_val[0] = 0;
1112 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_PC_TEST_MODE, c_val, 1, 0, 0))
1113 goto _fail_;
1114
1115 c_val[0] = INFRASTRUCTURE;
1116 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BSS_TYPE, c_val, 1, 0, 0))
1117 goto _fail_;
1118
1119
1120 /* c_val[0] = RATE_AUTO; / * bug 4275: Enable autorate and limit it to 24Mbps * / */
1121 c_val[0] = RATE_AUTO;
1122 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0))
1123 goto _fail_;
1124
1125 c_val[0] = G_MIXED_11B_2_MODE;
1126 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11G_OPERATING_MODE, c_val, 1, 0, 0))
1127 goto _fail_;
1128
1129 c_val[0] = 1;
1130 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0))
1131 goto _fail_;
1132
1133 c_val[0] = G_SHORT_PREAMBLE;
1134 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_PREAMBLE, c_val, 1, 0, 0))
1135 goto _fail_;
1136
1137 c_val[0] = AUTO_PROT;
1138 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_PROT_MECH, c_val, 1, 0, 0))
1139 goto _fail_;
1140
1141 #ifdef SWITCH_LOG_TERMINAL
1142 c_val[0] = AUTO_PROT;
1143 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_LOGTerminal_Switch, c_val, 1, 0, 0))
1144 goto _fail_;
1145 #endif
1146
1147 c_val[0] = ACTIVE_SCAN;
1148 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SCAN_TYPE, c_val, 1, 0, 0))
1149 goto _fail_;
1150
1151 c_val[0] = SITE_SURVEY_OFF;
1152 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SITE_SURVEY, c_val, 1, 0, 0))
1153 goto _fail_;
1154
1155 *((int *)c_val) = 0xffff; /* Never use RTS-CTS */
1156 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_RTS_THRESHOLD, c_val, 2, 0, 0))
1157 goto _fail_;
1158
1159 *((int *)c_val) = 2346;
1160 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_FRAG_THRESHOLD, c_val, 2, 0, 0))
1161 goto _fail_;
1162
1163 /* SSID */
1164 /* -------------------------------------------------------------- */
1165 /* Configuration : String with length less than 32 bytes */
1166 /* Values to set : Any string with length less than 32 bytes */
1167 /* ( In BSS Station Set SSID to "" (null string) */
1168 /* to enable Broadcast SSID suppport ) */
1169 /* -------------------------------------------------------------- */
1170 #ifndef USE_WIRELESS
1171 strcpy(c_val, "nwifi");
1172 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SSID, c_val, (strlen(c_val) + 1), 0, 0))
1173 goto _fail_;
1174 #endif
1175
1176 c_val[0] = 0;
1177 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BCAST_SSID, c_val, 1, 0, 0))
1178 goto _fail_;
1179
1180 c_val[0] = 1;
1181 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_QOS_ENABLE, c_val, 1, 0, 0))
1182 goto _fail_;
1183
1184 c_val[0] = NO_POWERSAVE;
1185 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0))
1186 goto _fail_;
1187
1188 c_val[0] = NO_ENCRYPT; /* NO_ENCRYPT, 0x79 */
1189 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11I_MODE, c_val, 1, 0, 0))
1190 goto _fail_;
1191
1192 c_val[0] = OPEN_SYSTEM;
1193 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_AUTH_TYPE, c_val, 1, 0, 0))
1194 goto _fail_;
1195
1196 /* WEP/802 11I Configuration */
1197 /* ------------------------------------------------------------------ */
1198 /* Configuration : WEP Key */
1199 /* Values (0x) : 5 byte for WEP40 and 13 bytes for WEP104 */
1200 /* In case more than 5 bytes are passed on for WEP 40 */
1201 /* only first 5 bytes will be used as the key */
1202 /* ------------------------------------------------------------------ */
1203
1204 strcpy(c_val, "123456790abcdef1234567890");
1205 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_WEP_KEY_VALUE, c_val, (strlen(c_val) + 1), 0, 0))
1206 goto _fail_;
1207
1208 /* WEP/802 11I Configuration */
1209 /* ------------------------------------------------------------------ */
1210 /* Configuration : AES/TKIP WPA/RSNA Pre-Shared Key */
1211 /* Values to set : Any string with length greater than equal to 8 bytes */
1212 /* and less than 64 bytes */
1213 /* ------------------------------------------------------------------ */
1214 strcpy(c_val, "12345678");
1215 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11I_PSK, c_val, (strlen(c_val)), 0, 0))
1216 goto _fail_;
1217
1218 /* IEEE802.1X Key Configuration */
1219 /* ------------------------------------------------------------------ */
1220 /* Configuration : Radius Server Access Secret Key */
1221 /* Values to set : Any string with length greater than equal to 8 bytes */
1222 /* and less than 65 bytes */
1223 /* ------------------------------------------------------------------ */
1224 strcpy(c_val, "password");
1225 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_1X_KEY, c_val, (strlen(c_val) + 1), 0, 0))
1226 goto _fail_;
1227
1228 /* IEEE802.1X Server Address Configuration */
1229 /* ------------------------------------------------------------------ */
1230 /* Configuration : Radius Server IP Address */
1231 /* Values to set : Any valid IP Address */
1232 /* ------------------------------------------------------------------ */
1233 c_val[0] = 192;
1234 c_val[1] = 168;
1235 c_val[2] = 1;
1236 c_val[3] = 112;
1237 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_1X_SERV_ADDR, c_val, 4, 0, 0))
1238 goto _fail_;
1239
1240 c_val[0] = 3;
1241 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0))
1242 goto _fail_;
1243
1244 c_val[0] = 3;
1245 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_DTIM_PERIOD, c_val, 1, 0, 0))
1246 goto _fail_;
1247
1248 c_val[0] = NORMAL_ACK;
1249 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_ACK_POLICY, c_val, 1, 0, 0))
1250 goto _fail_;
1251
1252 c_val[0] = 0;
1253 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1, 0, 0))
1254 goto _fail_;
1255
1256 c_val[0] = 48;
1257 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0, 0))
1258 goto _fail_;
1259
1260 c_val[0] = 28;
1261 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_TX_POWER_LEVEL_11B, c_val, 1, 0, 0))
1262 goto _fail_;
1263
1264 /* Beacon Interval */
1265 /* -------------------------------------------------------------------- */
1266 /* Configuration : Sets the beacon interval value */
1267 /* Values to set : Any 16-bit value */
1268 /* -------------------------------------------------------------------- */
1269
1270 *((int *)c_val) = 100;
1271 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BEACON_INTERVAL, c_val, 2, 0, 0))
1272 goto _fail_;
1273
1274 c_val[0] = REKEY_DISABLE;
1275 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_POLICY, c_val, 1, 0, 0))
1276 goto _fail_;
1277
1278 /* Rekey Time (s) (Used only when the Rekey policy is 2 or 4) */
1279 /* -------------------------------------------------------------------- */
1280 /* Configuration : Sets the Rekey Time (s) */
1281 /* Values to set : 32-bit value */
1282 /* -------------------------------------------------------------------- */
1283 *((int *)c_val) = 84600;
1284 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_PERIOD, c_val, 4, 0, 0))
1285 goto _fail_;
1286
1287 /* Rekey Packet Count (in 1000s; used when Rekey Policy is 3) */
1288 /* -------------------------------------------------------------------- */
1289 /* Configuration : Sets Rekey Group Packet count */
1290 /* Values to set : 32-bit Value */
1291 /* -------------------------------------------------------------------- */
1292 *((int *)c_val) = 500;
1293 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_PACKET_COUNT, c_val, 4, 0, 0))
1294 goto _fail_;
1295
1296 c_val[0] = 1;
1297 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0, 0))
1298 goto _fail_;
1299
1300 c_val[0] = G_SELF_CTS_PROT;
1301 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0))
1302 goto _fail_;
1303
1304 c_val[0] = 1; /* Enable N */
1305 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_ENABLE, c_val, 1, 0, 0))
1306 goto _fail_;
1307
1308 c_val[0] = HT_MIXED_MODE;
1309 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_OPERATING_MODE, c_val, 1, 0, 0))
1310 goto _fail_;
1311
1312 c_val[0] = 1; /* TXOP Prot disable in N mode: No RTS-CTS on TX A-MPDUs to save air-time. */
1313 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0, 0))
1314 goto _fail_;
1315
1316 memcpy(c_val, mac_add, 6);
1317
1318 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_MAC_ADDR, c_val, 6, 0, 0))
1319 goto _fail_;
1320
1321 /**
1322 * AP only
1323 **/
1324 c_val[0] = DETECT_PROTECT_REPORT;
1325 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_OBSS_NONHT_DETECTION, c_val, 1, 0, 0))
1326 goto _fail_;
1327
1328 c_val[0] = RTS_CTS_NONHT_PROT;
1329 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0))
1330 goto _fail_;
1331
1332 c_val[0] = 0;
1333 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0, 0))
1334 goto _fail_;
1335
1336 c_val[0] = MIMO_MODE;
1337 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_SMPS_MODE, c_val, 1, 0, 0))
1338 goto _fail_;
1339
1340 c_val[0] = 7;
1341 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_CURRENT_TX_MCS, c_val, 1, 0, 0))
1342 goto _fail_;
1343
1344 c_val[0] = 1; /* Enable N with immediate block ack. */
1345 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1, 1, (u32)pstrWFIDrv))
1346 goto _fail_;
1347
1348 return 0;
1349
1350 _fail_:
1351 return -1;
1352 }
1353
1354
1355 /**************************/
1356 void wilc1000_wlan_deinit(linux_wlan_t *nic)
1357 {
1358
1359 if (g_linux_wlan->wilc1000_initialized) {
1360
1361 printk("Deinitializing wilc1000 ...\n");
1362
1363 if (nic == NULL) {
1364 PRINT_ER("nic is NULL\n");
1365 return;
1366 }
1367
1368 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1369 /* johnny : remove */
1370 PRINT_D(INIT_DBG, "skip wilc_bus_set_default_speed\n");
1371 #else
1372 wilc_bus_set_default_speed();
1373 #endif
1374
1375 PRINT_D(INIT_DBG, "Disabling IRQ\n");
1376 #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1377 linux_wlan_disable_irq(IRQ_WAIT);
1378 #else
1379 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1380
1381 #else
1382 linux_wlan_lock_mutex((void *)&g_linux_wlan->hif_cs);
1383 disable_sdio_interrupt();
1384 linux_wlan_unlock_mutex((void *)&g_linux_wlan->hif_cs);
1385 #endif
1386 #endif
1387
1388
1389 /* not sure if the following unlocks are needed or not*/
1390 if (&g_linux_wlan->rxq_event != NULL) {
1391 linux_wlan_unlock(&g_linux_wlan->rxq_event);
1392 }
1393
1394 if (&g_linux_wlan->txq_event != NULL) {
1395 linux_wlan_unlock(&g_linux_wlan->txq_event);
1396 }
1397
1398
1399 #if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
1400 /*Removing the work struct from the linux kernel workqueue*/
1401 if (&g_linux_wlan->rx_work_queue != NULL)
1402 flush_work(&g_linux_wlan->rx_work_queue);
1403
1404 #elif (RX_BH_TYPE == RX_BH_KTHREAD)
1405 /* if(&nic->rx_sem != NULL) */
1406 /* linux_wlan_unlock(&nic->rx_sem); */
1407 #endif
1408
1409 PRINT_D(INIT_DBG, "Deinitializing Threads\n");
1410 wlan_deinitialize_threads(nic);
1411
1412 PRINT_D(INIT_DBG, "Deinitializing IRQ\n");
1413 deinit_irq(g_linux_wlan);
1414
1415
1416 if (&g_linux_wlan->oup != NULL) {
1417 if (g_linux_wlan->oup.wlan_stop != NULL)
1418 g_linux_wlan->oup.wlan_stop();
1419 }
1420
1421 PRINT_D(INIT_DBG, "Deinitializing WILC Wlan\n");
1422 wilc_wlan_deinit(nic);
1423 #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1424 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1425 PRINT_D(INIT_DBG, "Disabling IRQ 2\n");
1426
1427 linux_wlan_lock_mutex((void *)&g_linux_wlan->hif_cs);
1428 disable_sdio_interrupt();
1429 linux_wlan_unlock_mutex((void *)&g_linux_wlan->hif_cs);
1430 #endif
1431 #endif
1432
1433 /*De-Initialize locks*/
1434 PRINT_D(INIT_DBG, "Deinitializing Locks\n");
1435 wlan_deinit_locks(g_linux_wlan);
1436
1437 /* announce that wilc1000 is not initialized */
1438 g_linux_wlan->wilc1000_initialized = 0;
1439
1440 PRINT_D(INIT_DBG, "wilc1000 deinitialization Done\n");
1441
1442 } else {
1443 PRINT_D(INIT_DBG, "wilc1000 is not initialized\n");
1444 }
1445 return;
1446 }
1447
1448 int wlan_init_locks(linux_wlan_t *p_nic)
1449 {
1450
1451 PRINT_D(INIT_DBG, "Initializing Locks ...\n");
1452
1453 /*initialize mutexes*/
1454 linux_wlan_init_mutex("hif_lock/hif_cs", &g_linux_wlan->hif_cs, 1);
1455 linux_wlan_init_mutex("rxq_lock/rxq_cs", &g_linux_wlan->rxq_cs, 1);
1456 linux_wlan_init_mutex("txq_lock/txq_cs", &g_linux_wlan->txq_cs, 1);
1457
1458 /*Added by Amr - BugID_4720*/
1459 linux_wlan_init_spin_lock("txq_spin_lock/txq_cs", &g_linux_wlan->txq_spinlock, 1);
1460
1461 /*Added by Amr - BugID_4720*/
1462 linux_wlan_init_lock("txq_add_to_head_lock/txq_cs", &g_linux_wlan->txq_add_to_head_cs, 1);
1463
1464 linux_wlan_init_lock("txq_wait/txq_event", &g_linux_wlan->txq_event, 0);
1465 linux_wlan_init_lock("rxq_wait/rxq_event", &g_linux_wlan->rxq_event, 0);
1466
1467 linux_wlan_init_lock("cfg_wait/cfg_event", &g_linux_wlan->cfg_event, 0);
1468 linux_wlan_init_lock("sync_event", &g_linux_wlan->sync_event, 0);
1469
1470 linux_wlan_init_lock("rxq_lock/rxq_started", &g_linux_wlan->rxq_thread_started, 0);
1471 linux_wlan_init_lock("rxq_lock/txq_started", &g_linux_wlan->txq_thread_started, 0);
1472
1473 #if (RX_BH_TYPE == RX_BH_KTHREAD)
1474 linux_wlan_init_lock("BH_SEM", &g_linux_wlan->rx_sem, 0);
1475 #endif
1476
1477 return 0;
1478 }
1479
1480 static int wlan_deinit_locks(linux_wlan_t *nic)
1481 {
1482 PRINT_D(INIT_DBG, "De-Initializing Locks\n");
1483
1484 if (&g_linux_wlan->hif_cs != NULL)
1485 linux_wlan_deinit_mutex(&g_linux_wlan->hif_cs);
1486
1487 if (&g_linux_wlan->rxq_cs != NULL)
1488 linux_wlan_deinit_mutex(&g_linux_wlan->rxq_cs);
1489
1490 if (&g_linux_wlan->txq_cs != NULL)
1491 linux_wlan_deinit_mutex(&g_linux_wlan->txq_cs);
1492
1493 /*Added by Amr - BugID_4720*/
1494 if (&g_linux_wlan->txq_spinlock != NULL)
1495 linux_wlan_deinit_spin_lock(&g_linux_wlan->txq_spinlock);
1496
1497 if (&g_linux_wlan->rxq_event != NULL)
1498 linux_wlan_deinit_lock(&g_linux_wlan->rxq_event);
1499
1500 if (&g_linux_wlan->txq_event != NULL)
1501 linux_wlan_deinit_lock(&g_linux_wlan->txq_event);
1502
1503 /*Added by Amr - BugID_4720*/
1504 if (&g_linux_wlan->txq_add_to_head_cs != NULL)
1505 linux_wlan_deinit_lock(&g_linux_wlan->txq_add_to_head_cs);
1506
1507 if (&g_linux_wlan->rxq_thread_started != NULL)
1508 linux_wlan_deinit_lock(&g_linux_wlan->rxq_thread_started);
1509
1510 if (&g_linux_wlan->txq_thread_started != NULL)
1511 linux_wlan_deinit_lock(&g_linux_wlan->txq_thread_started);
1512
1513 if (&g_linux_wlan->cfg_event != NULL)
1514 linux_wlan_deinit_lock(&g_linux_wlan->cfg_event);
1515
1516 if (&g_linux_wlan->sync_event != NULL)
1517 linux_wlan_deinit_lock(&g_linux_wlan->sync_event);
1518
1519 return 0;
1520 }
1521 void linux_to_wlan(wilc_wlan_inp_t *nwi, linux_wlan_t *nic)
1522 {
1523
1524 PRINT_D(INIT_DBG, "Linux to Wlan services ...\n");
1525
1526 nwi->os_context.hif_critical_section = (void *)&g_linux_wlan->hif_cs;
1527 nwi->os_context.os_private = (void *)nic;
1528 nwi->os_context.tx_buffer_size = LINUX_TX_SIZE;
1529 nwi->os_context.txq_critical_section = (void *)&g_linux_wlan->txq_cs;
1530
1531 /*Added by Amr - BugID_4720*/
1532 nwi->os_context.txq_add_to_head_critical_section = (void *)&g_linux_wlan->txq_add_to_head_cs;
1533
1534 /*Added by Amr - BugID_4720*/
1535 nwi->os_context.txq_spin_lock = (void *)&g_linux_wlan->txq_spinlock;
1536
1537 nwi->os_context.txq_wait_event = (void *)&g_linux_wlan->txq_event;
1538
1539 #if defined (MEMORY_STATIC)
1540 nwi->os_context.rx_buffer_size = LINUX_RX_SIZE;
1541 #endif
1542 nwi->os_context.rxq_critical_section = (void *)&g_linux_wlan->rxq_cs;
1543 nwi->os_context.rxq_wait_event = (void *)&g_linux_wlan->rxq_event;
1544 nwi->os_context.cfg_wait_event = (void *)&g_linux_wlan->cfg_event;
1545
1546 nwi->os_func.os_sleep = linux_wlan_msleep;
1547 nwi->os_func.os_atomic_sleep = linux_wlan_atomic_msleep;
1548 nwi->os_func.os_debug = linux_wlan_dbg;
1549 nwi->os_func.os_malloc = linux_wlan_malloc;
1550 nwi->os_func.os_malloc_atomic = linux_wlan_malloc_atomic;
1551 nwi->os_func.os_free = linux_wlan_free;
1552 nwi->os_func.os_lock = linux_wlan_lock;
1553 nwi->os_func.os_unlock = linux_wlan_unlock;
1554 nwi->os_func.os_wait = linux_wlan_lock_timeout;
1555 nwi->os_func.os_signal = linux_wlan_unlock;
1556 nwi->os_func.os_enter_cs = linux_wlan_lock_mutex;
1557 nwi->os_func.os_leave_cs = linux_wlan_unlock_mutex;
1558
1559 /*Added by Amr - BugID_4720*/
1560 nwi->os_func.os_spin_lock = linux_wlan_spin_lock;
1561 nwi->os_func.os_spin_unlock = linux_wlan_spin_unlock;
1562
1563 #ifdef WILC_SDIO
1564 nwi->io_func.io_type = HIF_SDIO;
1565 nwi->io_func.io_init = linux_sdio_init;
1566 nwi->io_func.io_deinit = linux_sdio_deinit;
1567 nwi->io_func.u.sdio.sdio_cmd52 = linux_sdio_cmd52;
1568 nwi->io_func.u.sdio.sdio_cmd53 = linux_sdio_cmd53;
1569 nwi->io_func.u.sdio.sdio_set_max_speed = linux_sdio_set_max_speed;
1570 nwi->io_func.u.sdio.sdio_set_default_speed = linux_sdio_set_default_speed;
1571 #else
1572 nwi->io_func.io_type = HIF_SPI;
1573 nwi->io_func.io_init = linux_spi_init;
1574 nwi->io_func.io_deinit = linux_spi_deinit;
1575 nwi->io_func.u.spi.spi_tx = linux_spi_write;
1576 nwi->io_func.u.spi.spi_rx = linux_spi_read;
1577 nwi->io_func.u.spi.spi_trx = linux_spi_write_read;
1578 nwi->io_func.u.spi.spi_max_speed = linux_spi_set_max_speed;
1579 #endif
1580
1581 /*for now - to be revised*/
1582 #ifdef WILC_FULLY_HOSTING_AP
1583 /* incase of Fully hosted AP, all non cfg pkts are processed here*/
1584 nwi->net_func.rx_indicate = WILC_Process_rx_frame;
1585 #else
1586 nwi->net_func.rx_indicate = frmw_to_linux;
1587 #endif
1588 nwi->net_func.rx_complete = linux_wlan_rx_complete;
1589 nwi->indicate_func.mac_indicate = linux_wlan_mac_indicate;
1590 }
1591
1592 int wlan_initialize_threads(perInterface_wlan_t *nic)
1593 {
1594
1595 int ret = 0;
1596 PRINT_D(INIT_DBG, "Initializing Threads ...\n");
1597
1598 #if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
1599 /*Initialize rx work queue task*/
1600 INIT_WORK(&g_linux_wlan->rx_work_queue, isr_bh_routine);
1601 #elif (RX_BH_TYPE == RX_BH_KTHREAD)
1602 PRINT_D(INIT_DBG, "Creating kthread for Rxq BH\n");
1603 g_linux_wlan->rx_bh_thread = kthread_run(isr_bh_routine, (void *)g_linux_wlan, "K_RXQ_BH");
1604 if (g_linux_wlan->rx_bh_thread == 0) {
1605 PRINT_ER("couldn't create RX BH thread\n");
1606 ret = -ENOBUFS;
1607 goto _fail_;
1608 }
1609 #endif
1610
1611 #ifndef TCP_ENHANCEMENTS
1612 /* create rx task */
1613 PRINT_D(INIT_DBG, "Creating kthread for reception\n");
1614 g_linux_wlan->rxq_thread = kthread_run(linux_wlan_rxq_task, (void *)g_linux_wlan, "K_RXQ_TASK");
1615 if (g_linux_wlan->rxq_thread == 0) {
1616 PRINT_ER("couldn't create RXQ thread\n");
1617 ret = -ENOBUFS;
1618 goto _fail_1;
1619 }
1620
1621 /* wait for RXQ task to start. */
1622 linux_wlan_lock(&g_linux_wlan->rxq_thread_started);
1623
1624 #endif
1625
1626 /* create tx task */
1627 PRINT_D(INIT_DBG, "Creating kthread for transmission\n");
1628 g_linux_wlan->txq_thread = kthread_run(linux_wlan_txq_task, (void *)g_linux_wlan, "K_TXQ_TASK");
1629 if (g_linux_wlan->txq_thread == 0) {
1630 PRINT_ER("couldn't create TXQ thread\n");
1631 ret = -ENOBUFS;
1632 goto _fail_2;
1633 }
1634 #ifdef DEBUG_MODE
1635 PRINT_D(INIT_DBG, "Creating kthread for Debugging\n");
1636 g_linux_wlan->txq_thread = kthread_run(DebuggingThreadTask, (void *)g_linux_wlan, "DebugThread");
1637 if (g_linux_wlan->txq_thread == 0) {
1638 PRINT_ER("couldn't create TXQ thread\n");
1639 ret = -ENOBUFS;
1640 goto _fail_2;
1641 }
1642 #endif
1643 /* wait for TXQ task to start. */
1644 linux_wlan_lock(&g_linux_wlan->txq_thread_started);
1645
1646 return 0;
1647
1648 _fail_2:
1649 /*De-Initialize 2nd thread*/
1650 g_linux_wlan->close = 1;
1651 linux_wlan_unlock(&g_linux_wlan->rxq_event);
1652 kthread_stop(g_linux_wlan->rxq_thread);
1653
1654 #ifndef TCP_ENHANCEMENTS
1655 _fail_1:
1656 #endif
1657 #if (RX_BH_TYPE == RX_BH_KTHREAD)
1658 /*De-Initialize 1st thread*/
1659 g_linux_wlan->close = 1;
1660 linux_wlan_unlock(&g_linux_wlan->rx_sem);
1661 kthread_stop(g_linux_wlan->rx_bh_thread);
1662 _fail_:
1663 #endif
1664 g_linux_wlan->close = 0;
1665 return ret;
1666 }
1667
1668 static void wlan_deinitialize_threads(linux_wlan_t *nic)
1669 {
1670
1671 g_linux_wlan->close = 1;
1672 PRINT_D(INIT_DBG, "Deinitializing Threads\n");
1673 if (&g_linux_wlan->rxq_event != NULL)
1674 linux_wlan_unlock(&g_linux_wlan->rxq_event);
1675
1676
1677 if (g_linux_wlan->rxq_thread != NULL) {
1678 kthread_stop(g_linux_wlan->rxq_thread);
1679 g_linux_wlan->rxq_thread = NULL;
1680 }
1681
1682
1683 if (&g_linux_wlan->txq_event != NULL)
1684 linux_wlan_unlock(&g_linux_wlan->txq_event);
1685
1686
1687 if (g_linux_wlan->txq_thread != NULL) {
1688 kthread_stop(g_linux_wlan->txq_thread);
1689 g_linux_wlan->txq_thread = NULL;
1690 }
1691
1692 #if (RX_BH_TYPE == RX_BH_KTHREAD)
1693 if (&g_linux_wlan->rx_sem != NULL)
1694 linux_wlan_unlock(&g_linux_wlan->rx_sem);
1695
1696 if (g_linux_wlan->rx_bh_thread != NULL) {
1697 kthread_stop(g_linux_wlan->rx_bh_thread);
1698 g_linux_wlan->rx_bh_thread = NULL;
1699 }
1700 #endif
1701 }
1702
1703 #ifdef STATIC_MACADDRESS
1704 const char *path_string[] = {
1705 "/etc/wlan",
1706 "/data/wlan",
1707 };
1708
1709 static int linux_wlan_read_mac_addr(void *vp)
1710 {
1711 int ret = 0;
1712 struct file *fp = (struct file *)-ENOENT;
1713 mm_segment_t old_fs;
1714 loff_t pos = 0;
1715 int index;
1716 int array_size = ARRAY_SIZE(path_string);
1717
1718 /* change to KERNEL_DS address limit */
1719 old_fs = get_fs();
1720 set_fs(KERNEL_DS);
1721
1722 for (index = 0; index < array_size; index++) {
1723 fp = filp_open(path_string[index], O_WRONLY, 0640);
1724 if (!fp) {
1725 ret = -1;
1726 goto exit;
1727 }
1728
1729 /*No such file or directory */
1730 if (IS_ERR(fp) || !fp->f_op) {
1731 get_random_bytes(&mac_add[3], 3);
1732 /* open file to write */
1733 fp = filp_open(path_string[index], O_WRONLY | O_CREAT, 0640);
1734
1735 if (!fp || IS_ERR(fp)) {
1736 ret = -1;
1737 continue;
1738 } else {
1739 /* write buf to file */
1740 fp->f_op->write(fp, mac_add, 6, &pos);
1741 break;
1742 }
1743 } else {
1744 /* read file to buf */
1745 fp->f_op->read(fp, mac_add, 6, &pos);
1746 break;
1747 }
1748 }
1749
1750 if (index == array_size) {
1751 PRINT_ER("random MAC\n");
1752 }
1753
1754 exit:
1755 if (fp && !IS_ERR(fp)) {
1756 filp_close(fp, NULL);
1757 }
1758
1759 set_fs(old_fs);
1760
1761 return ret;
1762 }
1763 #endif
1764
1765 #ifdef COMPLEMENT_BOOT
1766
1767 extern volatile int probe;
1768 extern uint8_t core_11b_ready(void);
1769
1770 #define READY_CHECK_THRESHOLD 30
1771 extern void wilc_wlan_global_reset(void);
1772 uint8_t wilc1000_prepare_11b_core(wilc_wlan_inp_t *nwi, wilc_wlan_oup_t *nwo, linux_wlan_t *nic)
1773 {
1774 uint8_t trials = 0;
1775 while ((core_11b_ready() && (READY_CHECK_THRESHOLD > (trials++)))) {
1776 PRINT_D(INIT_DBG, "11b core not ready yet: %u\n", trials);
1777 wilc_wlan_deinit(nic);
1778 wilc_wlan_global_reset();
1779 sdio_unregister_driver(&wilc_bus);
1780
1781 linux_wlan_device_detection(0);
1782
1783 mdelay(100);
1784
1785 linux_wlan_device_detection(1);
1786
1787 sdio_register_driver(&wilc_bus);
1788
1789 while (!probe) {
1790 msleep(100);
1791 }
1792 probe = 0;
1793 g_linux_wlan->wilc_sdio_func = local_sdio_func;
1794 linux_to_wlan(nwi, nic);
1795 wilc_wlan_init(nwi, nwo);
1796 }
1797
1798 if (READY_CHECK_THRESHOLD <= trials)
1799 return 1;
1800 else
1801 return 0;
1802
1803 }
1804
1805 int repeat_power_cycle(perInterface_wlan_t *nic)
1806 {
1807 int ret = 0;
1808 wilc_wlan_inp_t nwi;
1809 wilc_wlan_oup_t nwo;
1810 sdio_unregister_driver(&wilc_bus);
1811
1812 linux_wlan_device_detection(0);
1813 linux_wlan_device_power(0);
1814 msleep(100);
1815 linux_wlan_device_power(1);
1816 msleep(80);
1817 linux_wlan_device_detection(1);
1818 msleep(20);
1819
1820 sdio_register_driver(&wilc_bus);
1821
1822 /* msleep(1000); */
1823 while (!probe) {
1824 msleep(100);
1825 }
1826 probe = 0;
1827 g_linux_wlan->wilc_sdio_func = local_sdio_func;
1828 linux_to_wlan(&nwi, g_linux_wlan);
1829 ret = wilc_wlan_init(&nwi, &nwo);
1830
1831 g_linux_wlan->mac_status = WILC_MAC_STATUS_INIT;
1832 #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1833 enable_sdio_interrupt();
1834 #endif
1835
1836 if (linux_wlan_get_firmware(nic)) {
1837 PRINT_ER("Can't get firmware \n");
1838 ret = -1;
1839 goto __fail__;
1840 }
1841
1842 /*Download firmware*/
1843 ret = linux_wlan_firmware_download(g_linux_wlan);
1844 if (ret < 0) {
1845 PRINT_ER("Failed to download firmware\n");
1846 goto __fail__;
1847 }
1848 /* Start firmware*/
1849 ret = linux_wlan_start_firmware(nic);
1850 if (ret < 0) {
1851 PRINT_ER("Failed to start firmware\n");
1852 }
1853 __fail__:
1854 return ret;
1855 }
1856 #endif
1857
1858 int wilc1000_wlan_init(struct net_device *dev, perInterface_wlan_t *p_nic)
1859 {
1860 wilc_wlan_inp_t nwi;
1861 wilc_wlan_oup_t nwo;
1862 perInterface_wlan_t *nic = p_nic;
1863 int ret = 0;
1864
1865 if (!g_linux_wlan->wilc1000_initialized) {
1866 g_linux_wlan->mac_status = WILC_MAC_STATUS_INIT;
1867 g_linux_wlan->close = 0;
1868 g_linux_wlan->wilc1000_initialized = 0;
1869
1870 wlan_init_locks(g_linux_wlan);
1871
1872 #ifdef STATIC_MACADDRESS
1873 wilc_mac_thread = kthread_run(linux_wlan_read_mac_addr, NULL, "wilc_mac_thread");
1874 if (wilc_mac_thread < 0) {
1875 PRINT_ER("couldn't create Mac addr thread\n");
1876 }
1877 #endif
1878
1879 linux_to_wlan(&nwi, g_linux_wlan);
1880
1881 ret = wilc_wlan_init(&nwi, &nwo);
1882 if (ret < 0) {
1883 PRINT_ER("Initializing WILC_Wlan FAILED\n");
1884 ret = -EIO;
1885 goto _fail_locks_;
1886 }
1887 memcpy(&g_linux_wlan->oup, &nwo, sizeof(wilc_wlan_oup_t));
1888
1889 /*Save the oup structre into global pointer*/
1890 gpstrWlanOps = &g_linux_wlan->oup;
1891
1892
1893 ret = wlan_initialize_threads(nic);
1894 if (ret < 0) {
1895 PRINT_ER("Initializing Threads FAILED\n");
1896 ret = -EIO;
1897 goto _fail_wilc_wlan_;
1898 }
1899
1900 #if (defined WILC_SDIO) && (defined COMPLEMENT_BOOT)
1901 if (wilc1000_prepare_11b_core(&nwi, &nwo, g_linux_wlan)) {
1902 PRINT_ER("11b Core is not ready\n");
1903 ret = -EIO;
1904 goto _fail_threads_;
1905 }
1906 #endif
1907
1908 #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1909 if (init_irq(g_linux_wlan)) {
1910 PRINT_ER("couldn't initialize IRQ\n");
1911 ret = -EIO;
1912 goto _fail_threads_;
1913 }
1914 #endif
1915
1916 #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1917 if (enable_sdio_interrupt()) {
1918 PRINT_ER("couldn't initialize IRQ\n");
1919 ret = -EIO;
1920 goto _fail_irq_init_;
1921 }
1922 #endif
1923
1924 if (linux_wlan_get_firmware(nic)) {
1925 PRINT_ER("Can't get firmware \n");
1926 ret = -EIO;
1927 goto _fail_irq_enable_;
1928 }
1929
1930
1931 /*Download firmware*/
1932 ret = linux_wlan_firmware_download(g_linux_wlan);
1933 if (ret < 0) {
1934 PRINT_ER("Failed to download firmware\n");
1935 ret = -EIO;
1936 goto _fail_irq_enable_;
1937 }
1938
1939 /* Start firmware*/
1940 ret = linux_wlan_start_firmware(nic);
1941 if (ret < 0) {
1942 PRINT_ER("Failed to start firmware\n");
1943 ret = -EIO;
1944 goto _fail_irq_enable_;
1945 }
1946
1947 wilc_bus_set_max_speed();
1948
1949 if (g_linux_wlan->oup.wlan_cfg_get(1, WID_FIRMWARE_VERSION, 1, 0)) {
1950 int size;
1951 char Firmware_ver[20];
1952 size = g_linux_wlan->oup.wlan_cfg_get_value(
1953 WID_FIRMWARE_VERSION,
1954 Firmware_ver, sizeof(Firmware_ver));
1955 Firmware_ver[size] = '\0';
1956 PRINT_D(INIT_DBG, "***** Firmware Ver = %s *******\n", Firmware_ver);
1957 }
1958 /* Initialize firmware with default configuration */
1959 ret = linux_wlan_init_test_config(dev, g_linux_wlan);
1960
1961 if (ret < 0) {
1962 PRINT_ER("Failed to configure firmware\n");
1963 ret = -EIO;
1964 goto _fail_fw_start_;
1965 }
1966
1967 g_linux_wlan->wilc1000_initialized = 1;
1968 return 0; /*success*/
1969
1970
1971 _fail_fw_start_:
1972 if (&g_linux_wlan->oup != NULL) {
1973 if (g_linux_wlan->oup.wlan_stop != NULL)
1974 g_linux_wlan->oup.wlan_stop();
1975 }
1976
1977 _fail_irq_enable_:
1978 #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1979 disable_sdio_interrupt();
1980 _fail_irq_init_:
1981 #endif
1982 #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1983 deinit_irq(g_linux_wlan);
1984
1985 #endif
1986 _fail_threads_:
1987 wlan_deinitialize_threads(g_linux_wlan);
1988 _fail_wilc_wlan_:
1989 wilc_wlan_deinit(g_linux_wlan);
1990 _fail_locks_:
1991 wlan_deinit_locks(g_linux_wlan);
1992 PRINT_ER("WLAN Iinitialization FAILED\n");
1993 } else {
1994 PRINT_D(INIT_DBG, "wilc1000 already initialized\n");
1995 }
1996 return ret;
1997 }
1998
1999
2000 /*
2001 * - this function will be called automatically by OS when module inserted.
2002 */
2003
2004 #if !defined (NM73131_0_BOARD)
2005 int mac_init_fn(struct net_device *ndev)
2006 {
2007
2008 /*Why we do this !!!*/
2009 netif_start_queue(ndev); /* ma */
2010 netif_stop_queue(ndev); /* ma */
2011
2012 return 0;
2013 }
2014 #else
2015 int mac_init_fn(struct net_device *ndev)
2016 {
2017
2018 unsigned char mac_add[] = {0x00, 0x50, 0xc2, 0x5e, 0x10, 0x00};
2019 /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/
2020 memcpy(ndev->dev_addr, mac_add, 6);
2021
2022 if (!is_valid_ether_addr(ndev->dev_addr)) {
2023 PRINT_ER("Error: Wrong MAC address\n");
2024 return -EINVAL;
2025 }
2026
2027 return 0;
2028 }
2029 #endif
2030
2031
2032 void WILC_WFI_frame_register(struct wiphy *wiphy, struct net_device *dev,
2033 u16 frame_type, bool reg);
2034
2035 /* This fn is called, when this device is setup using ifconfig */
2036 #if !defined (NM73131_0_BOARD)
2037 int mac_open(struct net_device *ndev)
2038 {
2039 perInterface_wlan_t *nic;
2040
2041 /*BugID_5213*/
2042 /*No need for setting mac address here anymore,*/
2043 /*Just set it in init_test_config()*/
2044 unsigned char mac_add[ETH_ALEN] = {0};
2045 int ret = 0;
2046 int i = 0;
2047 struct WILC_WFI_priv *priv;
2048
2049 nic = netdev_priv(ndev);
2050 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2051 PRINT_D(INIT_DBG, "MAC OPEN[%p]\n", ndev);
2052
2053 #ifdef USE_WIRELESS
2054 ret = WILC_WFI_InitHostInt(ndev);
2055 if (ret < 0) {
2056 PRINT_ER("Failed to initialize host interface\n");
2057
2058 return ret;
2059 }
2060 #endif
2061
2062 /*initialize platform*/
2063 PRINT_D(INIT_DBG, "*** re-init ***\n");
2064 ret = wilc1000_wlan_init(ndev, nic);
2065 if (ret < 0) {
2066 PRINT_ER("Failed to initialize wilc1000\n");
2067 WILC_WFI_DeInitHostInt(ndev);
2068 return ret;
2069 }
2070
2071 Set_machw_change_vir_if(false);
2072
2073 host_int_get_MacAddress(priv->hWILCWFIDrv, mac_add);
2074 PRINT_D(INIT_DBG, "Mac address: %x:%x:%x:%x:%x:%x\n", mac_add[0], mac_add[1], mac_add[2],
2075 mac_add[3], mac_add[4], mac_add[5]);
2076
2077 /* loop through the NUM of supported devices and set the MAC address */
2078 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
2079 if (ndev == g_linux_wlan->strInterfaceInfo[i].wilc_netdev) {
2080 memcpy(g_linux_wlan->strInterfaceInfo[i].aSrcAddress, mac_add, ETH_ALEN);
2081 g_linux_wlan->strInterfaceInfo[i].drvHandler = (u32)priv->hWILCWFIDrv;
2082 break;
2083 }
2084 }
2085
2086 /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/
2087 memcpy(ndev->dev_addr, g_linux_wlan->strInterfaceInfo[i].aSrcAddress, ETH_ALEN);
2088
2089 if (!is_valid_ether_addr(ndev->dev_addr)) {
2090 PRINT_ER("Error: Wrong MAC address\n");
2091 ret = -EINVAL;
2092 goto _err_;
2093 }
2094
2095
2096 WILC_WFI_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev,
2097 nic->g_struct_frame_reg[0].frame_type, nic->g_struct_frame_reg[0].reg);
2098 WILC_WFI_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev,
2099 nic->g_struct_frame_reg[1].frame_type, nic->g_struct_frame_reg[1].reg);
2100 netif_wake_queue(ndev);
2101 g_linux_wlan->open_ifcs++;
2102 nic->mac_opened = 1;
2103 return 0;
2104
2105 _err_:
2106 WILC_WFI_DeInitHostInt(ndev);
2107 wilc1000_wlan_deinit(g_linux_wlan);
2108 return ret;
2109 }
2110 #else
2111 int mac_open(struct net_device *ndev)
2112 {
2113
2114 linux_wlan_t *nic;
2115 nic = netdev_priv(ndev);
2116
2117 /*initialize platform*/
2118 if (wilc1000_wlan_init(nic)) {
2119 PRINT_ER("Failed to initialize platform\n");
2120 return 1;
2121 }
2122 /* Start the network interface queue for this device */
2123 PRINT_D(INIT_DBG, "Starting netifQ\n");
2124 netif_start_queue(ndev);
2125 /* linux_wlan_lock(&close_exit_sync); */
2126 return 0;
2127 }
2128 #endif
2129
2130 struct net_device_stats *mac_stats(struct net_device *dev)
2131 {
2132 perInterface_wlan_t *nic = netdev_priv(dev);
2133
2134
2135 return &nic->netstats;
2136 }
2137
2138 /* Setup the multicast filter */
2139 static void wilc_set_multicast_list(struct net_device *dev)
2140 {
2141
2142 struct netdev_hw_addr *ha;
2143 struct WILC_WFI_priv *priv;
2144 tstrWILC_WFIDrv *pstrWFIDrv;
2145 int i = 0;
2146 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
2147 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
2148
2149
2150 if (!dev)
2151 return;
2152
2153 PRINT_D(INIT_DBG, "Setting Multicast List with count = %d. \n", dev->mc.count);
2154
2155 if (dev->flags & IFF_PROMISC) {
2156 /* Normally, we should configure the chip to retrive all packets
2157 * but we don't wanna support this right now */
2158 /* TODO: add promiscuous mode support */
2159 PRINT_D(INIT_DBG, "Set promiscuous mode ON, retrive all packets \n");
2160 return;
2161 }
2162
2163 /* If there's more addresses than we handle, get all multicast
2164 * packets and sort them out in software. */
2165 if ((dev->flags & IFF_ALLMULTI) || (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) {
2166 PRINT_D(INIT_DBG, "Disable multicast filter, retrive all multicast packets\n");
2167 /* get all multicast packets */
2168 host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, false, 0);
2169 return;
2170 }
2171
2172 /* No multicast? Just get our own stuff */
2173 if ((dev->mc.count) == 0) {
2174 PRINT_D(INIT_DBG, "Enable multicast filter, retrive directed packets only.\n");
2175 host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, true, 0);
2176 return;
2177 }
2178
2179 /* Store all of the multicast addresses in the hardware filter */
2180 netdev_for_each_mc_addr(ha, dev)
2181 {
2182 WILC_memcpy(gau8MulticastMacAddrList[i], ha->addr, ETH_ALEN);
2183 PRINT_D(INIT_DBG, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i,
2184 gau8MulticastMacAddrList[i][0], gau8MulticastMacAddrList[i][1], gau8MulticastMacAddrList[i][2], gau8MulticastMacAddrList[i][3], gau8MulticastMacAddrList[i][4], gau8MulticastMacAddrList[i][5]);
2185 i++;
2186 }
2187
2188 host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, true, (dev->mc.count));
2189
2190 return;
2191
2192 }
2193
2194 static void linux_wlan_tx_complete(void *priv, int status)
2195 {
2196
2197 struct tx_complete_data *pv_data = (struct tx_complete_data *)priv;
2198 if (status == 1) {
2199 PRINT_D(TX_DBG, "Packet sent successfully - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
2200 } else {
2201 PRINT_D(TX_DBG, "Couldn't send packet - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
2202 }
2203 /* Free the SK Buffer, its work is done */
2204 dev_kfree_skb(pv_data->skb);
2205 linux_wlan_free(pv_data);
2206 }
2207
2208 int mac_xmit(struct sk_buff *skb, struct net_device *ndev)
2209 {
2210 perInterface_wlan_t *nic;
2211 struct tx_complete_data *tx_data = NULL;
2212 int QueueCount;
2213 char *pu8UdpBuffer;
2214 struct iphdr *ih;
2215 struct ethhdr *eth_h;
2216 nic = netdev_priv(ndev);
2217
2218 PRINT_D(INT_DBG, "\n========\n IntUH: %d - IntBH: %d - IntCld: %d \n========\n", int_rcvdU, int_rcvdB, int_clrd);
2219 PRINT_D(TX_DBG, "Sending packet just received from TCP/IP\n");
2220
2221 /* Stop the network interface queue */
2222 if (skb->dev != ndev) {
2223 PRINT_ER("Packet not destined to this device\n");
2224 return 0;
2225 }
2226
2227 tx_data = (struct tx_complete_data *)internal_alloc(sizeof(struct tx_complete_data), GFP_ATOMIC);
2228 if (tx_data == NULL) {
2229 PRINT_ER("Failed to allocate memory for tx_data structure\n");
2230 dev_kfree_skb(skb);
2231 netif_wake_queue(ndev);
2232 return 0;
2233 }
2234
2235 tx_data->buff = skb->data;
2236 tx_data->size = skb->len;
2237 tx_data->skb = skb;
2238
2239 eth_h = (struct ethhdr *)(skb->data);
2240 if (eth_h->h_proto == 0x8e88) {
2241 PRINT_D(INIT_DBG, "EAPOL transmitted\n");
2242 }
2243
2244 /*get source and dest ip addresses*/
2245 ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
2246
2247 pu8UdpBuffer = (char *)ih + sizeof(struct iphdr);
2248 if ((pu8UdpBuffer[1] == 68 && pu8UdpBuffer[3] == 67) || (pu8UdpBuffer[1] == 67 && pu8UdpBuffer[3] == 68)) {
2249 PRINT_D(GENERIC_DBG, "DHCP Message transmitted, type:%x %x %x\n", pu8UdpBuffer[248], pu8UdpBuffer[249], pu8UdpBuffer[250]);
2250
2251 }
2252 PRINT_D(TX_DBG, "Sending packet - Size = %d - Address = %p - SKB = %p\n", tx_data->size, tx_data->buff, tx_data->skb);
2253
2254 /* Send packet to MAC HW - for now the tx_complete function will be just status
2255 * indicator. still not sure if I need to suspend host transmission till the tx_complete
2256 * function called or not?
2257 * allocated buffer will be freed in tx_complete function.
2258 */
2259 PRINT_D(TX_DBG, "Adding tx packet to TX Queue\n");
2260 nic->netstats.tx_packets++;
2261 nic->netstats.tx_bytes += tx_data->size;
2262 tx_data->pBssid = g_linux_wlan->strInterfaceInfo[nic->u8IfIdx].aBSSID;
2263 #ifndef WILC_FULLY_HOSTING_AP
2264 QueueCount = g_linux_wlan->oup.wlan_add_to_tx_que((void *)tx_data,
2265 tx_data->buff,
2266 tx_data->size,
2267 linux_wlan_tx_complete);
2268 #else
2269 QueueCount = WILC_Xmit_data((void *)tx_data, HOST_TO_WLAN);
2270 #endif /* WILC_FULLY_HOSTING_AP */
2271
2272
2273 if (QueueCount > FLOW_CONTROL_UPPER_THRESHOLD) {
2274 netif_stop_queue(g_linux_wlan->strInterfaceInfo[0].wilc_netdev);
2275 netif_stop_queue(g_linux_wlan->strInterfaceInfo[1].wilc_netdev);
2276 }
2277
2278 return 0;
2279 }
2280
2281
2282 int mac_close(struct net_device *ndev)
2283 {
2284 struct WILC_WFI_priv *priv;
2285 perInterface_wlan_t *nic;
2286 tstrWILC_WFIDrv *pstrWFIDrv;
2287
2288 nic = netdev_priv(ndev);
2289
2290 if ((nic == NULL) || (nic->wilc_netdev == NULL) || (nic->wilc_netdev->ieee80211_ptr == NULL) || (nic->wilc_netdev->ieee80211_ptr->wiphy == NULL)) {
2291 PRINT_ER("nic = NULL\n");
2292 return 0;
2293 }
2294
2295 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2296
2297 if (priv == NULL) {
2298 PRINT_ER("priv = NULL\n");
2299 return 0;
2300 }
2301
2302 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
2303
2304
2305
2306 PRINT_D(GENERIC_DBG, "Mac close\n");
2307
2308 if (g_linux_wlan == NULL) {
2309 PRINT_ER("g_linux_wlan = NULL\n");
2310 return 0;
2311 }
2312
2313 if (pstrWFIDrv == NULL) {
2314 PRINT_ER("pstrWFIDrv = NULL\n");
2315 return 0;
2316 }
2317
2318 if ((g_linux_wlan->open_ifcs) > 0) {
2319 g_linux_wlan->open_ifcs--;
2320 } else {
2321 PRINT_ER("ERROR: MAC close called while number of opened interfaces is zero\n");
2322 return 0;
2323 }
2324
2325 if (nic->wilc_netdev != NULL) {
2326 /* Stop the network interface queue */
2327 netif_stop_queue(nic->wilc_netdev);
2328
2329 #ifdef USE_WIRELESS
2330 WILC_WFI_DeInitHostInt(nic->wilc_netdev);
2331 #endif
2332 }
2333
2334 if (g_linux_wlan->open_ifcs == 0) {
2335 PRINT_D(GENERIC_DBG, "Deinitializing wilc1000\n");
2336 g_linux_wlan->close = 1;
2337 wilc1000_wlan_deinit(g_linux_wlan);
2338 #ifdef USE_WIRELESS
2339 #ifdef WILC_AP_EXTERNAL_MLME
2340 WILC_WFI_deinit_mon_interface();
2341 #endif
2342 #endif
2343 }
2344
2345 linux_wlan_unlock(&close_exit_sync);
2346 nic->mac_opened = 0;
2347
2348 return 0;
2349 }
2350
2351
2352 int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
2353 {
2354
2355 u8 *buff = NULL;
2356 s8 rssi;
2357 u32 size = 0, length = 0;
2358 perInterface_wlan_t *nic;
2359 struct WILC_WFI_priv *priv;
2360 s32 s32Error = WILC_SUCCESS;
2361
2362
2363
2364 /* struct iwreq *wrq = (struct iwreq *) req; // tony moved to case SIOCSIWPRIV */
2365 #ifdef USE_WIRELESS
2366 nic = netdev_priv(ndev);
2367
2368 if (!g_linux_wlan->wilc1000_initialized)
2369 return 0;
2370
2371 #endif
2372
2373 switch (cmd) {
2374
2375 /* ]] 2013-06-24 */
2376 case SIOCSIWPRIV:
2377 {
2378 struct iwreq *wrq = (struct iwreq *) req; /* added by tony */
2379
2380 size = wrq->u.data.length;
2381
2382 if (size && wrq->u.data.pointer) {
2383
2384 buff = memdup_user(wrq->u.data.pointer, wrq->u.data.length);
2385 if (IS_ERR(buff)) {
2386 s32Error = PTR_ERR(buff);
2387 goto done;
2388 }
2389
2390 if (strncasecmp(buff, "RSSI", length) == 0) {
2391
2392 #ifdef USE_WIRELESS
2393 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2394 s32Error = host_int_get_rssi(priv->hWILCWFIDrv, &(rssi));
2395 if (s32Error)
2396 PRINT_ER("Failed to send get rssi param's message queue ");
2397 #endif
2398 PRINT_INFO(GENERIC_DBG, "RSSI :%d\n", rssi);
2399
2400 /*Rounding up the rssi negative value*/
2401 rssi += 5;
2402
2403 snprintf(buff, size, "rssi %d", rssi);
2404
2405 if (copy_to_user(wrq->u.data.pointer, buff, size)) {
2406 PRINT_ER("%s: failed to copy data to user buffer\n", __func__);
2407 s32Error = -EFAULT;
2408 goto done;
2409 }
2410 }
2411 }
2412 }
2413 break;
2414
2415 default:
2416 {
2417 PRINT_INFO(GENERIC_DBG, "Command - %d - has been received\n", cmd);
2418 s32Error = -EOPNOTSUPP;
2419 goto done;
2420 }
2421 }
2422
2423 done:
2424
2425 if (buff != NULL) {
2426 kfree(buff);
2427 }
2428
2429 return s32Error;
2430 }
2431
2432 void frmw_to_linux(uint8_t *buff, uint32_t size, uint32_t pkt_offset)
2433 {
2434
2435 unsigned int frame_len = 0;
2436 int stats;
2437 unsigned char *buff_to_send = NULL;
2438 struct sk_buff *skb;
2439 #ifndef TCP_ENHANCEMENTS
2440 char *pu8UdpBuffer;
2441 struct iphdr *ih;
2442 #endif
2443 struct net_device *wilc_netdev;
2444 perInterface_wlan_t *nic;
2445
2446 wilc_netdev = GetIfHandler(buff);
2447 if (wilc_netdev == NULL)
2448 return;
2449
2450 buff += pkt_offset;
2451 nic = netdev_priv(wilc_netdev);
2452
2453 if (size > 0) {
2454
2455 frame_len = size;
2456 buff_to_send = buff;
2457
2458
2459 /* Need to send the packet up to the host, allocate a skb buffer */
2460 skb = dev_alloc_skb(frame_len);
2461 if (skb == NULL) {
2462 PRINT_ER("Low memory - packet droped\n");
2463 return;
2464 }
2465
2466 skb_reserve(skb, (unsigned int)skb->data & 0x3);
2467
2468 if (g_linux_wlan == NULL || wilc_netdev == NULL) {
2469 PRINT_ER("wilc_netdev in g_linux_wlan is NULL");
2470 }
2471 skb->dev = wilc_netdev;
2472
2473 if (skb->dev == NULL) {
2474 PRINT_ER("skb->dev is NULL\n");
2475 }
2476
2477 /*
2478 * for(i=0;i<40;i++)
2479 * {
2480 * if(i<frame_len)
2481 * WILC_PRINTF("buff_to_send[%d]=%2x\n",i,buff_to_send[i]);
2482 *
2483 * }*/
2484
2485 /* skb_put(skb, frame_len); */
2486 memcpy(skb_put(skb, frame_len), buff_to_send, frame_len);
2487
2488 /* WILC_PRINTF("After MEM_CPY\n"); */
2489
2490 /* nic = netdev_priv(wilc_netdev); */
2491
2492 #ifdef USE_WIRELESS
2493 /* if(nic->monitor_flag)
2494 * {
2495 * WILC_WFI_monitor_rx(nic->wilc_netdev,skb);
2496 * return;
2497 * }*/
2498 #endif
2499 skb->protocol = eth_type_trans(skb, wilc_netdev);
2500 #ifndef TCP_ENHANCEMENTS
2501 /*get source and dest ip addresses*/
2502 ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
2503
2504 pu8UdpBuffer = (char *)ih + sizeof(struct iphdr);
2505 if (buff_to_send[35] == 67 && buff_to_send[37] == 68) {
2506 PRINT_D(RX_DBG, "DHCP Message received\n");
2507 }
2508 if (buff_to_send[12] == 0x88 && buff_to_send[13] == 0x8e)
2509 PRINT_D(GENERIC_DBG, "eapol received\n");
2510 #endif
2511 /* Send the packet to the stack by giving it to the bridge */
2512 nic->netstats.rx_packets++;
2513 nic->netstats.rx_bytes += frame_len;
2514 skb->ip_summed = CHECKSUM_UNNECESSARY;
2515 stats = netif_rx(skb);
2516 PRINT_D(RX_DBG, "netif_rx ret value is: %d\n", stats);
2517 }
2518 #ifndef TCP_ENHANCEMENTS
2519 else {
2520 PRINT_ER("Discard sending packet with len = %d\n", size);
2521 }
2522 #endif
2523 }
2524
2525 void WILC_WFI_mgmt_rx(uint8_t *buff, uint32_t size)
2526 {
2527 int i = 0;
2528 perInterface_wlan_t *nic;
2529
2530 /*BugID_5450*/
2531 /*Pass the frame on the monitor interface, if any.*/
2532 /*Otherwise, pass it on p2p0 netdev, if registered on it*/
2533 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
2534 nic = netdev_priv(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2535 if (nic->monitor_flag) {
2536 WILC_WFI_monitor_rx(buff, size);
2537 return;
2538 }
2539 }
2540
2541 #ifdef WILC_P2P
2542 nic = netdev_priv(g_linux_wlan->strInterfaceInfo[1].wilc_netdev); /* p2p0 */
2543 if ((buff[0] == nic->g_struct_frame_reg[0].frame_type && nic->g_struct_frame_reg[0].reg) ||
2544 (buff[0] == nic->g_struct_frame_reg[1].frame_type && nic->g_struct_frame_reg[1].reg)) {
2545 WILC_WFI_p2p_rx(g_linux_wlan->strInterfaceInfo[1].wilc_netdev, buff, size);
2546 }
2547 #endif
2548 }
2549
2550 int wilc_netdev_init(void)
2551 {
2552
2553 int i;
2554 perInterface_wlan_t *nic;
2555 struct net_device *ndev;
2556
2557 linux_wlan_init_lock("close_exit_sync", &close_exit_sync, 0);
2558
2559 /*create the common structure*/
2560 g_linux_wlan = (linux_wlan_t *)WILC_MALLOC(sizeof(linux_wlan_t));
2561 memset(g_linux_wlan, 0, sizeof(linux_wlan_t));
2562
2563 /*Reset interrupt count debug*/
2564 int_rcvdU = 0;
2565 int_rcvdB = 0;
2566 int_clrd = 0;
2567 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
2568 register_inetaddr_notifier(&g_dev_notifier);
2569 #endif
2570
2571 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2572 /*allocate first ethernet device with perinterface_wlan_t as its private data*/
2573 ndev = alloc_etherdev(sizeof(perInterface_wlan_t));
2574 if (!ndev) {
2575 PRINT_ER("Failed to allocate ethernet dev\n");
2576 return -1;
2577 }
2578
2579 nic = netdev_priv(ndev);
2580 memset(nic, 0, sizeof(perInterface_wlan_t));
2581
2582 /*Name the Devices*/
2583 if (i == 0) {
2584 #if defined(NM73131) /* tony, 2012-09-20 */
2585 strcpy(ndev->name, "wilc_eth%d");
2586 #elif defined(PLAT_CLM9722) /* rachel */
2587 strcpy(ndev->name, "eth%d");
2588 #else /* PANDA_BOARD, PLAT_ALLWINNER_A10, PLAT_ALLWINNER_A20, PLAT_ALLWINNER_A31, PLAT_AML8726_M3 or PLAT_WMS8304 */
2589 strcpy(ndev->name, "wlan%d");
2590 #endif
2591 } else
2592 strcpy(ndev->name, "p2p%d");
2593
2594 nic->u8IfIdx = g_linux_wlan->u8NoIfcs;
2595 nic->wilc_netdev = ndev;
2596 g_linux_wlan->strInterfaceInfo[g_linux_wlan->u8NoIfcs].wilc_netdev = ndev;
2597 g_linux_wlan->u8NoIfcs++;
2598 ndev->netdev_ops = &wilc_netdev_ops;
2599
2600 #ifdef USE_WIRELESS
2601 {
2602 struct wireless_dev *wdev;
2603 /*Register WiFi*/
2604 wdev = WILC_WFI_WiphyRegister(ndev);
2605
2606 #ifdef WILC_SDIO
2607 /* set netdev, tony */
2608 SET_NETDEV_DEV(ndev, &local_sdio_func->dev);
2609 #endif
2610
2611 if (wdev == NULL) {
2612 PRINT_ER("Can't register WILC Wiphy\n");
2613 return -1;
2614 }
2615
2616 /*linking the wireless_dev structure with the netdevice*/
2617 nic->wilc_netdev->ieee80211_ptr = wdev;
2618 nic->wilc_netdev->ml_priv = nic;
2619 wdev->netdev = nic->wilc_netdev;
2620 nic->netstats.rx_packets = 0;
2621 nic->netstats.tx_packets = 0;
2622 nic->netstats.rx_bytes = 0;
2623 nic->netstats.tx_bytes = 0;
2624
2625 }
2626 #endif
2627
2628
2629 if (register_netdev(ndev)) {
2630 PRINT_ER("Device couldn't be registered - %s\n", ndev->name);
2631 return -1; /* ERROR */
2632 }
2633
2634 nic->iftype = STATION_MODE;
2635 nic->mac_opened = 0;
2636
2637 }
2638
2639 #ifndef WILC_SDIO
2640 if (!linux_spi_init(&g_linux_wlan->wilc_spidev)) {
2641 PRINT_ER("Can't initialize SPI \n");
2642 return -1; /* ERROR */
2643 }
2644 g_linux_wlan->wilc_spidev = wilc_spi_dev;
2645 #else
2646 g_linux_wlan->wilc_sdio_func = local_sdio_func;
2647 #endif
2648
2649 return 0;
2650 }
2651
2652
2653 /*The 1st function called after module inserted*/
2654 static int __init init_wilc_driver(void)
2655 {
2656
2657
2658 #if defined (WILC_DEBUGFS)
2659 if (wilc_debugfs_init() < 0) {
2660 PRINT_D(GENERIC_DBG, "fail to create debugfs for wilc driver\n");
2661 return -1;
2662 }
2663 #endif
2664
2665 printk("IN INIT FUNCTION\n");
2666 printk("*** WILC1000 driver VERSION=[10.2] FW_VER=[10.2] ***\n");
2667
2668 linux_wlan_device_power(1);
2669 msleep(100);
2670 linux_wlan_device_detection(1);
2671
2672 #ifdef WILC_SDIO
2673 {
2674 int ret;
2675
2676 ret = sdio_register_driver(&wilc_bus);
2677 if (ret < 0) {
2678 PRINT_D(INIT_DBG, "init_wilc_driver: Failed register sdio driver\n");
2679 }
2680
2681 return ret;
2682 }
2683 #else
2684 PRINT_D(INIT_DBG, "Initializing netdev\n");
2685 if (wilc_netdev_init()) {
2686 PRINT_ER("Couldn't initialize netdev\n");
2687 }
2688 return 0;
2689 #endif
2690 }
2691 late_initcall(init_wilc_driver);
2692
2693 static void __exit exit_wilc_driver(void)
2694 {
2695 int i = 0;
2696 perInterface_wlan_t *nic[NUM_CONCURRENT_IFC] = {NULL,};
2697 #define CLOSE_TIMEOUT (12 * 1000)
2698
2699 if ((g_linux_wlan != NULL) && (((g_linux_wlan->strInterfaceInfo[0].wilc_netdev) != NULL)
2700 || ((g_linux_wlan->strInterfaceInfo[1].wilc_netdev) != NULL))) {
2701 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
2702 unregister_inetaddr_notifier(&g_dev_notifier);
2703 #endif
2704
2705 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2706 nic[i] = netdev_priv(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2707 }
2708 }
2709
2710
2711 if ((g_linux_wlan != NULL) && g_linux_wlan->wilc_firmware != NULL) {
2712 release_firmware(g_linux_wlan->wilc_firmware);
2713 g_linux_wlan->wilc_firmware = NULL;
2714 }
2715
2716
2717 if ((g_linux_wlan != NULL) && (((g_linux_wlan->strInterfaceInfo[0].wilc_netdev) != NULL)
2718 || ((g_linux_wlan->strInterfaceInfo[1].wilc_netdev) != NULL))) {
2719 PRINT_D(INIT_DBG, "Waiting for mac_close ....\n");
2720
2721 if (linux_wlan_lock_timeout(&close_exit_sync, CLOSE_TIMEOUT) < 0)
2722 PRINT_D(INIT_DBG, "Closed TimedOUT\n");
2723 else
2724 PRINT_D(INIT_DBG, "mac_closed\n");
2725
2726
2727 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2728 /* close all opened interfaces */
2729 if (g_linux_wlan->strInterfaceInfo[i].wilc_netdev != NULL) {
2730 if (nic[i]->mac_opened) {
2731 mac_close(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2732 }
2733 }
2734 }
2735 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2736 PRINT_D(INIT_DBG, "Unregistering netdev %p \n", g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2737 unregister_netdev(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2738 #ifdef USE_WIRELESS
2739 PRINT_D(INIT_DBG, "Freeing Wiphy...\n");
2740 WILC_WFI_WiphyFree(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2741 #endif
2742 PRINT_D(INIT_DBG, "Freeing netdev...\n");
2743 free_netdev(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2744 }
2745 }
2746
2747
2748 #ifdef USE_WIRELESS
2749 #ifdef WILC_AP_EXTERNAL_MLME
2750 /* Bug 4600 : WILC_WFI_deinit_mon_interface was already called at mac_close */
2751 /* WILC_WFI_deinit_mon_interface(); */
2752 #endif
2753 #endif
2754
2755 /* if(g_linux_wlan->open_ifcs==0) */
2756 {
2757 #ifndef WILC_SDIO
2758 PRINT_D(INIT_DBG, "SPI unregsiter...\n");
2759 spi_unregister_driver(&wilc_bus);
2760 #else
2761 PRINT_D(INIT_DBG, "SDIO unregsiter...\n");
2762 sdio_unregister_driver(&wilc_bus);
2763 #endif
2764
2765 linux_wlan_deinit_lock(&close_exit_sync);
2766 if (g_linux_wlan != NULL) {
2767 WILC_FREE(g_linux_wlan);
2768 g_linux_wlan = NULL;
2769 }
2770 printk("Module_exit Done.\n");
2771
2772 #if defined (WILC_DEBUGFS)
2773 wilc_debugfs_remove();
2774 #endif
2775
2776 linux_wlan_device_detection(0);
2777 linux_wlan_device_power(0);
2778 }
2779 }
2780 module_exit(exit_wilc_driver);
2781
2782 MODULE_LICENSE("GPL");
2783 #endif
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