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Staging: wilc1000: Boolean tests don't need comparisons
[mirror_ubuntu-artful-kernel.git] / drivers / staging / wilc1000 / linux_wlan.c
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c5c77ba1
JK		 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>
f1a99830 18#include <linux/gpio.h>
c5c77ba1
JK		 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>
50struct task_struct *wilc_mac_thread;
51unsigned 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
72ed4dc7 68extern bool g_obtainingIP;
c5c77ba1 69#endif
72ed4dc7 70extern u16 Set_machw_change_vir_if(bool bValue);
c5c77ba1 71extern void resolve_disconnect_aberration(void *drvHandler);
63d03e47 72extern u8 gau8MulticastMacAddrList[WILC_MULTICAST_TABLE_SIZE][ETH_ALEN];
c5c77ba1
JK		 73void wilc1000_wlan_deinit(linux_wlan_t *nic);
74#ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
75extern WILC_TimerHandle hDuringIpTimer;
76#endif
77
78static 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
91static 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
108static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr);
109
110static 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
134typedef 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 */
149static struct semaphore close_exit_sync;
150unsigned int int_rcvdU;
151unsigned int int_rcvdB;
152unsigned int int_clrd;
153
154static int wlan_deinit_locks(linux_wlan_t *nic);
155static void wlan_deinitialize_threads(linux_wlan_t *nic);
156static void linux_wlan_lock(void *vp);
157void linux_wlan_unlock(void *vp);
158extern void WILC_WFI_monitor_rx(uint8_t *buff, uint32_t size);
159extern void WILC_WFI_p2p_rx(struct net_device *dev, uint8_t *buff, uint32_t size);
160
161
162static void *internal_alloc(uint32_t size, uint32_t flag);
163static void linux_wlan_tx_complete(void *priv, int status);
164void frmw_to_linux(uint8_t *buff, uint32_t size, uint32_t pkt_offset);
165static int mac_init_fn(struct net_device *ndev);
166int mac_xmit(struct sk_buff *skb, struct net_device *dev);
167int mac_open(struct net_device *ndev);
168int mac_close(struct net_device *ndev);
169static struct net_device_stats *mac_stats(struct net_device *dev);
170static int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd);
171static 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 */
179linux_wlan_t *g_linux_wlan;
180wilc_wlan_oup_t *gpstrWlanOps;
72ed4dc7 181bool bEnablePS = true;
c5c77ba1 182
c5c77ba1
JK		 183static 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};
c5c77ba1 193
c5c77ba1
JK		 194#ifdef DEBUG_MODE
195
196extern volatile int timeNo;
197
198#define DEGUG_BUFFER_LENGTH 1000
199volatile int WatchDogdebuggerCounter;
200char DebugBuffer[DEGUG_BUFFER_LENGTH + 20] = {0};
201static char *ps8current = DebugBuffer;
202
203
204
205void 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
218void 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
232void Reset_WatchDogdebugger()
233{
234 WatchDogdebuggerCounter = 0;
235}
236
237static 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
255static 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;
63d03e47 261 u8 *pIP_Add_buff;
c5c77ba1 262 perInterface_wlan_t *nic;
63d03e47 263 u8 null_ip[4] = {0};
c5c77ba1
JK		 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;
72ed4dc7 305 g_obtainingIP = false;
b1413b60 306 WILC_TimerStop(&hDuringIpTimer, NULL);
c5c77ba1
JK		 307 PRINT_D(GENERIC_DBG, "IP obtained , enable scan\n");
308 }
309
310
311
5a66bf20 312 if (bEnablePS)
c5c77ba1
JK		 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]);
21175ef7 319 host_int_setup_ipaddress((WILC_WFIDrvHandle)pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
c5c77ba1
JK		 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;
72ed4dc7 329 g_obtainingIP = false;
c5c77ba1
JK		 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
21175ef7 343 host_int_setup_ipaddress((WILC_WFIDrvHandle)pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
c5c77ba1
JK		 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
363void 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
374void 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)
388static 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)
424irqreturn_t isr_bh_routine(int irq, void *userdata)
425{
426 linux_wlan_t *nic;
427 nic = (linux_wlan_t *)userdata;
428#else
429static 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)
462static 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)
492static 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
545static 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 */
561static void linux_wlan_msleep(uint32_t msc)
562{
563 if (msc <= 4000000) {
4e4467fd 564 u32 u32Temp = msc * 1000;
c5c77ba1 565 usleep_range(u32Temp, u32Temp);
c5c77ba1
JK		 566 } else {
567 msleep(msc);
568 }
569}
570
571static void linux_wlan_atomic_msleep(uint32_t msc)
572{
573 mdelay(msc);
574}
575static void linux_wlan_dbg(uint8_t *buff)
576{
577 PRINT_D(INIT_DBG, "%d\n", *buff);
578}
579
580static void *linux_wlan_malloc_atomic(uint32_t sz)
581{
582 char *pntr = NULL;
30ef5c8b 583 pntr = kmalloc(sz, GFP_ATOMIC);
c5c77ba1
JK		 584 PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", sz, pntr);
585 return (void *)pntr;
586
587}
588static void *linux_wlan_malloc(uint32_t sz)
589{
590 char *pntr = NULL;
30ef5c8b 591 pntr = kmalloc(sz, GFP_KERNEL);
c5c77ba1
JK		 592 PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", sz, pntr);
593 return (void *)pntr;
594}
595
596void 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
605static void *internal_alloc(uint32_t size, uint32_t flag)
606{
607 char *pntr = NULL;
30ef5c8b 608 pntr = kmalloc(size, flag);
c5c77ba1
JK		 609 PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", size, pntr);
610 return (void *)pntr;
611}
612
613
614static 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
621static void linux_wlan_deinit_lock(void *plock)
622{
623 /* mutex_destroy((struct mutex*)plock); */
624}
625
626static 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
4e4467fd 637static int linux_wlan_lock_timeout(void *vp, u32 timeout)
c5c77ba1
JK		 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
649void 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
660static 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
667static void linux_wlan_deinit_mutex(void *plock)
668{
669 mutex_destroy((struct mutex *)plock);
670}
671
672static 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
689static 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*/
707static 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
714static void linux_wlan_deinit_spin_lock(void *plock)
715{
716
717}
718static 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}
729static 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
741static 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#if 0
760 /**
761 * get the mac and bssid address
762 **/
763 PRINT_D(RX_DBG, "Calling cfg_get to get MAC_ADDR\n");
764 pd->oup.wlan_cfg_get(1, WID_MAC_ADDR, 0);
765 PRINT_D(RX_DBG, "Calling cfg_get to get BSSID\n");
766 pd->oup.wlan_cfg_get(0, WID_BSSID, 1);
767
768 /**
769 * get the value
770 **/
771 pd->oup.wlan_cfg_get_value(WID_MAC_ADDR, pd->eth_src_address, 6);
772 pd->oup.wlan_cfg_get_value(WID_BSSID, pd->eth_dst_address, 6);
773
774 PRINT_D(GENERIC_DBG, "Source Address = %s", pd->eth_src_address);
775 PRINT_D(GENERIC_DBG, "Destiation Address = %s", pd->eth_dst_address);
776
777 /**
778 * launch ndis
779 **/
780#endif
781 }
782
783 } else if (flag == WILC_MAC_INDICATE_SCAN) {
784 PRINT_D(GENERIC_DBG, "Scanning ...\n");
785
786 }
787
788}
789
790struct net_device *GetIfHandler(uint8_t *pMacHeader)
791{
792 uint8_t *Bssid, *Bssid1;
793 int i = 0;
794
795 Bssid = pMacHeader + 10;
796 Bssid1 = pMacHeader + 4;
797
798 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
799 if (!memcmp(Bssid1, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN) ||
800 !memcmp(Bssid, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN)) {
801 return g_linux_wlan->strInterfaceInfo[i].wilc_netdev;
802 }
803 }
804 PRINT_INFO(INIT_DBG, "Invalide handle\n");
805 for (i = 0; i < 25; i++) {
806 PRINT_D(INIT_DBG, "%02x ", pMacHeader[i]);
807 }
808 Bssid = pMacHeader + 18;
809 Bssid1 = pMacHeader + 12;
810 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
811 if (!memcmp(Bssid1, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN) ||
812 !memcmp(Bssid, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN)) {
813 PRINT_D(INIT_DBG, "Ctx [%p]\n", g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
814 return g_linux_wlan->strInterfaceInfo[i].wilc_netdev;
815 }
816 }
817 PRINT_INFO(INIT_DBG, "\n");
818 return NULL;
819}
820
821int linux_wlan_set_bssid(struct net_device *wilc_netdev, uint8_t *pBSSID)
822{
823 int i = 0;
824 int ret = -1;
825
826 PRINT_D(INIT_DBG, "set bssid on[%p]\n", wilc_netdev);
827 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
828 if (g_linux_wlan->strInterfaceInfo[i].wilc_netdev == wilc_netdev) {
829 PRINT_D(INIT_DBG, "set bssid [%x][%x][%x]\n", pBSSID[0], pBSSID[1], pBSSID[2]);
830 memcpy(g_linux_wlan->strInterfaceInfo[i].aBSSID, pBSSID, 6);
831 ret = 0;
832 break;
833 }
834 }
835 return ret;
836}
837
838/*BugID_5213*/
839/*Function to get number of connected interfaces*/
840int linux_wlan_get_num_conn_ifcs(void)
841{
842 uint8_t i = 0;
843 uint8_t null_bssid[6] = {0};
844 uint8_t ret_val = 0;
845
846 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
847 if (memcmp(g_linux_wlan->strInterfaceInfo[i].aBSSID, null_bssid, 6)) {
848 ret_val++;
849 }
850 }
851 return ret_val;
852}
853
854static int linux_wlan_rxq_task(void *vp)
855{
856
857 /* inform wilc1000_wlan_init that RXQ task is started. */
858 linux_wlan_unlock(&g_linux_wlan->rxq_thread_started);
859 while (1) {
860 linux_wlan_lock(&g_linux_wlan->rxq_event);
861 /* wait_for_completion(&g_linux_wlan->rxq_event); */
862
863 if (g_linux_wlan->close) {
864 /*Unlock the mutex in the mac_close function to indicate the exiting of the RX thread */
865 linux_wlan_unlock(&g_linux_wlan->rxq_thread_started);
866
867 while (!kthread_should_stop())
868 schedule();
869
870 PRINT_D(RX_DBG, " RX thread stopped\n");
871 break;
872 }
873 PRINT_D(RX_DBG, "Calling wlan_handle_rx_que()\n");
874
875 g_linux_wlan->oup.wlan_handle_rx_que();
876 }
877 return 0;
878}
879
880#define USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
881
882static int linux_wlan_txq_task(void *vp)
883{
884 int ret, txq_count;
885
886#if defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
887#define TX_BACKOFF_WEIGHT_INCR_STEP (1)
888#define TX_BACKOFF_WEIGHT_DECR_STEP (1)
889#define TX_BACKOFF_WEIGHT_MAX (7)
890#define TX_BACKOFF_WEIGHT_MIN (0)
891#define TX_BACKOFF_WEIGHT_UNIT_MS (10)
892 int backoff_weight = TX_BACKOFF_WEIGHT_MIN;
893 signed long timeout;
894#endif
895
896 /* inform wilc1000_wlan_init that TXQ task is started. */
897 linux_wlan_unlock(&g_linux_wlan->txq_thread_started);
898 while (1) {
899
900 PRINT_D(TX_DBG, "txq_task Taking a nap :)\n");
901 linux_wlan_lock(&g_linux_wlan->txq_event);
902 /* wait_for_completion(&pd->txq_event); */
903 PRINT_D(TX_DBG, "txq_task Who waked me up :$\n");
904
905 if (g_linux_wlan->close) {
906 /*Unlock the mutex in the mac_close function to indicate the exiting of the TX thread */
907 linux_wlan_unlock(&g_linux_wlan->txq_thread_started);
908
909 while (!kthread_should_stop())
910 schedule();
911
912 PRINT_D(TX_DBG, "TX thread stopped\n");
913 break;
914 }
915 PRINT_D(TX_DBG, "txq_task handle the sending packet and let me go to sleep.\n");
916#if !defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
917 g_linux_wlan->oup.wlan_handle_tx_que();
918#else
919 do {
920 ret = g_linux_wlan->oup.wlan_handle_tx_que(&txq_count);
921 if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD /* && netif_queue_stopped(pd->wilc_netdev)*/) {
922 PRINT_D(TX_DBG, "Waking up queue\n");
923 /* netif_wake_queue(pd->wilc_netdev); */
924 if (netif_queue_stopped(g_linux_wlan->strInterfaceInfo[0].wilc_netdev))
925 netif_wake_queue(g_linux_wlan->strInterfaceInfo[0].wilc_netdev);
926 if (netif_queue_stopped(g_linux_wlan->strInterfaceInfo[1].wilc_netdev))
927 netif_wake_queue(g_linux_wlan->strInterfaceInfo[1].wilc_netdev);
928 }
929
930 if (ret == WILC_TX_ERR_NO_BUF) { /* failed to allocate buffers in chip. */
931 timeout = msecs_to_jiffies(TX_BACKOFF_WEIGHT_UNIT_MS << backoff_weight);
932 do {
933 /* Back off from sending packets for some time. */
934 /* schedule_timeout will allow RX task to run and free buffers.*/
935 /* set_current_state(TASK_UNINTERRUPTIBLE); */
936 /* timeout = schedule_timeout(timeout); */
937 msleep(TX_BACKOFF_WEIGHT_UNIT_MS << backoff_weight);
938 } while (/*timeout*/ 0);
939 backoff_weight += TX_BACKOFF_WEIGHT_INCR_STEP;
940 if (backoff_weight > TX_BACKOFF_WEIGHT_MAX) {
941 backoff_weight = TX_BACKOFF_WEIGHT_MAX;
942 }
943 } else {
944 if (backoff_weight > TX_BACKOFF_WEIGHT_MIN) {
945 backoff_weight -= TX_BACKOFF_WEIGHT_DECR_STEP;
946 if (backoff_weight < TX_BACKOFF_WEIGHT_MIN) {
947 backoff_weight = TX_BACKOFF_WEIGHT_MIN;
948 }
949 }
950 }
951 /*TODO: drop packets after a certain time/number of retry count. */
952 } while (ret == WILC_TX_ERR_NO_BUF && !g_linux_wlan->close); /* retry sending packets if no more buffers in chip. */
953#endif
954 }
955 return 0;
956}
957
958static void linux_wlan_rx_complete(void)
959{
960 PRINT_D(RX_DBG, "RX completed\n");
961}
962
963int linux_wlan_get_firmware(perInterface_wlan_t *p_nic)
964{
965
966 perInterface_wlan_t *nic = p_nic;
967 int ret = 0;
968 const struct firmware *wilc_firmware;
969 char *firmware;
970
971
972 if (nic->iftype == AP_MODE)
973 firmware = AP_FIRMWARE;
974 else if (nic->iftype == STATION_MODE)
975 firmware = STA_FIRMWARE;
976
977 /*BugID_5137*/
978 else {
979 PRINT_D(INIT_DBG, "Get P2P_CONCURRENCY_FIRMWARE\n");
980 firmware = P2P_CONCURRENCY_FIRMWARE;
981 }
982
983
984
985 if (nic == NULL) {
986 PRINT_ER("NIC is NULL\n");
987 goto _fail_;
988 }
989
990 if (&nic->wilc_netdev->dev == NULL) {
991 PRINT_ER("&nic->wilc_netdev->dev is NULL\n");
992 goto _fail_;
993 }
994
995
996 /* the firmare should be located in /lib/firmware in
997 * root file system with the name specified above */
998
999#ifdef WILC_SDIO
1000 if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_sdio_func->dev) != 0) {
1001 PRINT_ER("%s - firmare not available\n", firmware);
1002 ret = -1;
1003 goto _fail_;
1004 }
1005#else
1006 if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_spidev->dev) != 0) {
1007 PRINT_ER("%s - firmare not available\n", firmware);
1008 ret = -1;
1009 goto _fail_;
1010 }
1011#endif
1012 g_linux_wlan->wilc_firmware = wilc_firmware; /* Bug 4703 */
1013
1014_fail_:
1015
1016 return ret;
1017
1018}
1019
1020#ifdef COMPLEMENT_BOOT
1021int repeat_power_cycle(perInterface_wlan_t *nic);
1022#endif
1023
1024static int linux_wlan_start_firmware(perInterface_wlan_t *nic)
1025{
1026
c5c77ba1
JK		 1027 int ret = 0;
1028 /* start firmware */
1029 PRINT_D(INIT_DBG, "Starting Firmware ...\n");
1030 ret = g_linux_wlan->oup.wlan_start();
1031 if (ret < 0) {
1032 PRINT_ER("Failed to start Firmware\n");
1033 goto _fail_;
1034 }
1035
1036 /* wait for mac ready */
1037 PRINT_D(INIT_DBG, "Waiting for Firmware to get ready ...\n");
1038 ret = linux_wlan_lock_timeout(&g_linux_wlan->sync_event, 5000);
1039 if (ret) {
1040#ifdef COMPLEMENT_BOOT
7a8fd841 1041 static int timeout = 5;
c5c77ba1
JK		 1042
1043 if (timeout--) {
1044 PRINT_D(INIT_DBG, "repeat power cycle[%d]", timeout);
1045 ret = repeat_power_cycle(nic);
1046 } else {
1047 timeout = 5;
1048 ret = -1;
1049 goto _fail_;
1050 }
1051#endif
1052 PRINT_D(INIT_DBG, "Firmware start timed out");
1053 goto _fail_;
1054 }
1055 /*
1056 * TODO: Driver shouoldn't wait forever for firmware to get started -
1057 * in case of timeout this should be handled properly
1058 */
1059 PRINT_D(INIT_DBG, "Firmware successfully started\n");
1060
1061_fail_:
1062 return ret;
1063}
1064static int linux_wlan_firmware_download(linux_wlan_t *p_nic)
1065{
1066
1067 int ret = 0;
1068
1069 if (g_linux_wlan->wilc_firmware == NULL) {
1070 PRINT_ER("Firmware buffer is NULL\n");
1071 ret = -ENOBUFS;
1072 goto _FAIL_;
1073 }
1074 /**
1075 * do the firmware download
1076 **/
1077 PRINT_D(INIT_DBG, "Downloading Firmware ...\n");
1078 ret = g_linux_wlan->oup.wlan_firmware_download(g_linux_wlan->wilc_firmware->data, g_linux_wlan->wilc_firmware->size);
1079 if (ret < 0) {
1080 goto _FAIL_;
1081 }
1082
1083 /* Freeing FW buffer */
1084 PRINT_D(INIT_DBG, "Freeing FW buffer ...\n");
1085 PRINT_D(INIT_DBG, "Releasing firmware\n");
1086 release_firmware(g_linux_wlan->wilc_firmware);
1087 g_linux_wlan->wilc_firmware = NULL;
1088
1089 PRINT_D(INIT_DBG, "Download Succeeded \n");
1090
1091_FAIL_:
1092 return ret;
1093}
1094
1095
1096/* startup configuration - could be changed later using iconfig*/
1097static int linux_wlan_init_test_config(struct net_device *dev, linux_wlan_t *p_nic)
1098{
1099
1100 unsigned char c_val[64];
1101 #ifndef STATIC_MACADDRESS
1102 unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xff};
1103 #endif
c5c77ba1
JK		 1104
1105 /*BugID_5077*/
1106 struct WILC_WFI_priv *priv;
1107 tstrWILC_WFIDrv *pstrWFIDrv;
1108
1109 PRINT_D(TX_DBG, "Start configuring Firmware\n");
1110 #ifndef STATIC_MACADDRESS
1111 get_random_bytes(&mac_add[5], 1);
1112 get_random_bytes(&mac_add[4], 1);
1113 #endif
1114 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
1115 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
8a14330f 1116 PRINT_D(INIT_DBG, "Host = %p\n", pstrWFIDrv);
c5c77ba1
JK		 1117
1118 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]);
21175ef7 1119 wilc_get_chipid(0);
c5c77ba1
JK		 1120
1121
1122 if (g_linux_wlan->oup.wlan_cfg_set == NULL) {
1123 PRINT_D(INIT_DBG, "Null p[ointer\n");
1124 goto _fail_;
1125 }
1126
4e4467fd 1127 *(int *)c_val = (u32)pstrWFIDrv;
c5c77ba1
JK		 1128
1129 if (!g_linux_wlan->oup.wlan_cfg_set(1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0))
1130 goto _fail_;
1131
1132 /*to tell fw that we are going to use PC test - WILC specific*/
1133 c_val[0] = 0;
1134 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_PC_TEST_MODE, c_val, 1, 0, 0))
1135 goto _fail_;
1136
1137 c_val[0] = INFRASTRUCTURE;
1138 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BSS_TYPE, c_val, 1, 0, 0))
1139 goto _fail_;
1140
1141
1142 /* c_val[0] = RATE_AUTO; / * bug 4275: Enable autorate and limit it to 24Mbps * / */
1143 c_val[0] = RATE_AUTO;
1144 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0))
1145 goto _fail_;
1146
1147 c_val[0] = G_MIXED_11B_2_MODE;
1148 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11G_OPERATING_MODE, c_val, 1, 0, 0))
1149 goto _fail_;
1150
1151 c_val[0] = 1;
1152 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0))
1153 goto _fail_;
1154
1155 c_val[0] = G_SHORT_PREAMBLE;
1156 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_PREAMBLE, c_val, 1, 0, 0))
1157 goto _fail_;
1158
1159 c_val[0] = AUTO_PROT;
1160 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_PROT_MECH, c_val, 1, 0, 0))
1161 goto _fail_;
1162
1163#ifdef SWITCH_LOG_TERMINAL
1164 c_val[0] = AUTO_PROT;
1165 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_LOGTerminal_Switch, c_val, 1, 0, 0))
1166 goto _fail_;
1167#endif
1168
1169 c_val[0] = ACTIVE_SCAN;
1170 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SCAN_TYPE, c_val, 1, 0, 0))
1171 goto _fail_;
1172
1173 c_val[0] = SITE_SURVEY_OFF;
1174 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SITE_SURVEY, c_val, 1, 0, 0))
1175 goto _fail_;
1176
1177 *((int *)c_val) = 0xffff; /* Never use RTS-CTS */
1178 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_RTS_THRESHOLD, c_val, 2, 0, 0))
1179 goto _fail_;
1180
1181 *((int *)c_val) = 2346;
1182 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_FRAG_THRESHOLD, c_val, 2, 0, 0))
1183 goto _fail_;
1184
1185 /* SSID */
1186 /* -------------------------------------------------------------- */
1187 /* Configuration : String with length less than 32 bytes */
1188 /* Values to set : Any string with length less than 32 bytes */
1189 /* ( In BSS Station Set SSID to "" (null string) */
1190 /* to enable Broadcast SSID suppport ) */
1191 /* -------------------------------------------------------------- */
1192#ifndef USE_WIRELESS
1193 strcpy(c_val, "nwifi");
1194 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SSID, c_val, (strlen(c_val) + 1), 0, 0))
1195 goto _fail_;
1196#endif
1197
1198 c_val[0] = 0;
1199 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BCAST_SSID, c_val, 1, 0, 0))
1200 goto _fail_;
1201
1202 c_val[0] = 1;
1203 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_QOS_ENABLE, c_val, 1, 0, 0))
1204 goto _fail_;
1205
1206 c_val[0] = NO_POWERSAVE;
1207 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0))
1208 goto _fail_;
1209
1210 c_val[0] = NO_ENCRYPT; /* NO_ENCRYPT, 0x79 */
1211 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11I_MODE, c_val, 1, 0, 0))
1212 goto _fail_;
1213
1214 c_val[0] = OPEN_SYSTEM;
1215 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_AUTH_TYPE, c_val, 1, 0, 0))
1216 goto _fail_;
1217
1218 /* WEP/802 11I Configuration */
1219 /* ------------------------------------------------------------------ */
1220 /* Configuration : WEP Key */
1221 /* Values (0x) : 5 byte for WEP40 and 13 bytes for WEP104 */
1222 /* In case more than 5 bytes are passed on for WEP 40 */
1223 /* only first 5 bytes will be used as the key */
1224 /* ------------------------------------------------------------------ */
1225
1226 strcpy(c_val, "123456790abcdef1234567890");
1227 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_WEP_KEY_VALUE, c_val, (strlen(c_val) + 1), 0, 0))
1228 goto _fail_;
1229
1230 /* WEP/802 11I Configuration */
1231 /* ------------------------------------------------------------------ */
1232 /* Configuration : AES/TKIP WPA/RSNA Pre-Shared Key */
1233 /* Values to set : Any string with length greater than equal to 8 bytes */
1234 /* and less than 64 bytes */
1235 /* ------------------------------------------------------------------ */
1236 strcpy(c_val, "12345678");
1237 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11I_PSK, c_val, (strlen(c_val)), 0, 0))
1238 goto _fail_;
1239
1240 /* IEEE802.1X Key Configuration */
1241 /* ------------------------------------------------------------------ */
1242 /* Configuration : Radius Server Access Secret Key */
1243 /* Values to set : Any string with length greater than equal to 8 bytes */
1244 /* and less than 65 bytes */
1245 /* ------------------------------------------------------------------ */
1246 strcpy(c_val, "password");
1247 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_1X_KEY, c_val, (strlen(c_val) + 1), 0, 0))
1248 goto _fail_;
1249
1250 /* IEEE802.1X Server Address Configuration */
1251 /* ------------------------------------------------------------------ */
1252 /* Configuration : Radius Server IP Address */
1253 /* Values to set : Any valid IP Address */
1254 /* ------------------------------------------------------------------ */
1255 c_val[0] = 192;
1256 c_val[1] = 168;
1257 c_val[2] = 1;
1258 c_val[3] = 112;
1259 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_1X_SERV_ADDR, c_val, 4, 0, 0))
1260 goto _fail_;
1261
1262 c_val[0] = 3;
1263 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0))
1264 goto _fail_;
1265
1266 c_val[0] = 3;
1267 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_DTIM_PERIOD, c_val, 1, 0, 0))
1268 goto _fail_;
1269
1270 c_val[0] = NORMAL_ACK;
1271 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_ACK_POLICY, c_val, 1, 0, 0))
1272 goto _fail_;
1273
1274 c_val[0] = 0;
1275 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1, 0, 0))
1276 goto _fail_;
1277
1278 c_val[0] = 48;
1279 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0, 0))
1280 goto _fail_;
1281
1282 c_val[0] = 28;
1283 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_TX_POWER_LEVEL_11B, c_val, 1, 0, 0))
1284 goto _fail_;
1285
1286 /* Beacon Interval */
1287 /* -------------------------------------------------------------------- */
1288 /* Configuration : Sets the beacon interval value */
1289 /* Values to set : Any 16-bit value */
1290 /* -------------------------------------------------------------------- */
1291
1292 *((int *)c_val) = 100;
1293 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BEACON_INTERVAL, c_val, 2, 0, 0))
1294 goto _fail_;
1295
1296 c_val[0] = REKEY_DISABLE;
1297 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_POLICY, c_val, 1, 0, 0))
1298 goto _fail_;
1299
1300 /* Rekey Time (s) (Used only when the Rekey policy is 2 or 4) */
1301 /* -------------------------------------------------------------------- */
1302 /* Configuration : Sets the Rekey Time (s) */
1303 /* Values to set : 32-bit value */
1304 /* -------------------------------------------------------------------- */
1305 *((int *)c_val) = 84600;
1306 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_PERIOD, c_val, 4, 0, 0))
1307 goto _fail_;
1308
1309 /* Rekey Packet Count (in 1000s; used when Rekey Policy is 3) */
1310 /* -------------------------------------------------------------------- */
1311 /* Configuration : Sets Rekey Group Packet count */
1312 /* Values to set : 32-bit Value */
1313 /* -------------------------------------------------------------------- */
1314 *((int *)c_val) = 500;
1315 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_PACKET_COUNT, c_val, 4, 0, 0))
1316 goto _fail_;
1317
1318 c_val[0] = 1;
1319 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0, 0))
1320 goto _fail_;
1321
1322 c_val[0] = G_SELF_CTS_PROT;
1323 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0))
1324 goto _fail_;
1325
1326 c_val[0] = 1; /* Enable N */
1327 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_ENABLE, c_val, 1, 0, 0))
1328 goto _fail_;
1329
1330 c_val[0] = HT_MIXED_MODE;
1331 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_OPERATING_MODE, c_val, 1, 0, 0))
1332 goto _fail_;
1333
1334 c_val[0] = 1; /* TXOP Prot disable in N mode: No RTS-CTS on TX A-MPDUs to save air-time. */
1335 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0, 0))
1336 goto _fail_;
1337
1338 memcpy(c_val, mac_add, 6);
1339
1340 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_MAC_ADDR, c_val, 6, 0, 0))
1341 goto _fail_;
1342
1343 /**
1344 * AP only
1345 **/
1346 c_val[0] = DETECT_PROTECT_REPORT;
1347 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_OBSS_NONHT_DETECTION, c_val, 1, 0, 0))
1348 goto _fail_;
1349
1350 c_val[0] = RTS_CTS_NONHT_PROT;
1351 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0))
1352 goto _fail_;
1353
1354 c_val[0] = 0;
1355 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0, 0))
1356 goto _fail_;
1357
1358 c_val[0] = MIMO_MODE;
1359 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_SMPS_MODE, c_val, 1, 0, 0))
1360 goto _fail_;
1361
1362 c_val[0] = 7;
1363 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_CURRENT_TX_MCS, c_val, 1, 0, 0))
1364 goto _fail_;
1365
1366 c_val[0] = 1; /* Enable N with immediate block ack. */
4e4467fd 1367 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1, 1, (u32)pstrWFIDrv))
c5c77ba1
JK		 1368 goto _fail_;
1369
1370 return 0;
1371
1372_fail_:
1373 return -1;
1374}
1375
1376
1377/**************************/
1378void wilc1000_wlan_deinit(linux_wlan_t *nic)
1379{
1380
1381 if (g_linux_wlan->wilc1000_initialized) {
1382
1383 printk("Deinitializing wilc1000 ...\n");
1384
1385 if (nic == NULL) {
1386 PRINT_ER("nic is NULL\n");
1387 return;
1388 }
1389
1390#if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1391 /* johnny : remove */
1392 PRINT_D(INIT_DBG, "skip wilc_bus_set_default_speed\n");
1393#else
1394 wilc_bus_set_default_speed();
1395#endif
1396
1397 PRINT_D(INIT_DBG, "Disabling IRQ\n");
1398 #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1399 linux_wlan_disable_irq(IRQ_WAIT);
1400 #else
1401 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1402
1403 #else
1404 linux_wlan_lock_mutex((void *)&g_linux_wlan->hif_cs);
1405 disable_sdio_interrupt();
1406 linux_wlan_unlock_mutex((void *)&g_linux_wlan->hif_cs);
1407 #endif
1408 #endif
1409
1410
1411 /* not sure if the following unlocks are needed or not*/
1412 if (&g_linux_wlan->rxq_event != NULL) {
1413 linux_wlan_unlock(&g_linux_wlan->rxq_event);
1414 }
1415
1416 if (&g_linux_wlan->txq_event != NULL) {
1417 linux_wlan_unlock(&g_linux_wlan->txq_event);
1418 }
1419
1420
1421 #if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
1422 /*Removing the work struct from the linux kernel workqueue*/
1423 if (&g_linux_wlan->rx_work_queue != NULL)
1424 flush_work(&g_linux_wlan->rx_work_queue);
1425
1426 #elif (RX_BH_TYPE == RX_BH_KTHREAD)
1427 /* if(&nic->rx_sem != NULL) */
1428 /* linux_wlan_unlock(&nic->rx_sem); */
1429 #endif
1430
1431 PRINT_D(INIT_DBG, "Deinitializing Threads\n");
1432 wlan_deinitialize_threads(nic);
1433
1434 PRINT_D(INIT_DBG, "Deinitializing IRQ\n");
1435 deinit_irq(g_linux_wlan);
1436
1437
1438 if (&g_linux_wlan->oup != NULL) {
1439 if (g_linux_wlan->oup.wlan_stop != NULL)
1440 g_linux_wlan->oup.wlan_stop();
1441 }
1442
1443 PRINT_D(INIT_DBG, "Deinitializing WILC Wlan\n");
1444 wilc_wlan_deinit(nic);
1445#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1446 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1447 PRINT_D(INIT_DBG, "Disabling IRQ 2\n");
1448
1449 linux_wlan_lock_mutex((void *)&g_linux_wlan->hif_cs);
1450 disable_sdio_interrupt();
1451 linux_wlan_unlock_mutex((void *)&g_linux_wlan->hif_cs);
1452 #endif
1453#endif
1454
1455 /*De-Initialize locks*/
1456 PRINT_D(INIT_DBG, "Deinitializing Locks\n");
1457 wlan_deinit_locks(g_linux_wlan);
1458
1459 /* announce that wilc1000 is not initialized */
1460 g_linux_wlan->wilc1000_initialized = 0;
1461
1462 PRINT_D(INIT_DBG, "wilc1000 deinitialization Done\n");
1463
1464 } else {
1465 PRINT_D(INIT_DBG, "wilc1000 is not initialized\n");
1466 }
1467 return;
1468}
1469
1470int wlan_init_locks(linux_wlan_t *p_nic)
1471{
1472
1473 PRINT_D(INIT_DBG, "Initializing Locks ...\n");
1474
1475 /*initialize mutexes*/
1476 linux_wlan_init_mutex("hif_lock/hif_cs", &g_linux_wlan->hif_cs, 1);
1477 linux_wlan_init_mutex("rxq_lock/rxq_cs", &g_linux_wlan->rxq_cs, 1);
1478 linux_wlan_init_mutex("txq_lock/txq_cs", &g_linux_wlan->txq_cs, 1);
1479
1480 /*Added by Amr - BugID_4720*/
1481 linux_wlan_init_spin_lock("txq_spin_lock/txq_cs", &g_linux_wlan->txq_spinlock, 1);
1482
1483 /*Added by Amr - BugID_4720*/
1484 linux_wlan_init_lock("txq_add_to_head_lock/txq_cs", &g_linux_wlan->txq_add_to_head_cs, 1);
1485
1486 linux_wlan_init_lock("txq_wait/txq_event", &g_linux_wlan->txq_event, 0);
1487 linux_wlan_init_lock("rxq_wait/rxq_event", &g_linux_wlan->rxq_event, 0);
1488
1489 linux_wlan_init_lock("cfg_wait/cfg_event", &g_linux_wlan->cfg_event, 0);
1490 linux_wlan_init_lock("sync_event", &g_linux_wlan->sync_event, 0);
1491
1492 linux_wlan_init_lock("rxq_lock/rxq_started", &g_linux_wlan->rxq_thread_started, 0);
1493 linux_wlan_init_lock("rxq_lock/txq_started", &g_linux_wlan->txq_thread_started, 0);
1494
1495 #if (RX_BH_TYPE == RX_BH_KTHREAD)
1496 linux_wlan_init_lock("BH_SEM", &g_linux_wlan->rx_sem, 0);
1497 #endif
1498
1499 return 0;
1500}
1501
1502static int wlan_deinit_locks(linux_wlan_t *nic)
1503{
1504 PRINT_D(INIT_DBG, "De-Initializing Locks\n");
1505
1506 if (&g_linux_wlan->hif_cs != NULL)
1507 linux_wlan_deinit_mutex(&g_linux_wlan->hif_cs);
1508
1509 if (&g_linux_wlan->rxq_cs != NULL)
1510 linux_wlan_deinit_mutex(&g_linux_wlan->rxq_cs);
1511
1512 if (&g_linux_wlan->txq_cs != NULL)
1513 linux_wlan_deinit_mutex(&g_linux_wlan->txq_cs);
1514
1515 /*Added by Amr - BugID_4720*/
1516 if (&g_linux_wlan->txq_spinlock != NULL)
1517 linux_wlan_deinit_spin_lock(&g_linux_wlan->txq_spinlock);
1518
1519 if (&g_linux_wlan->rxq_event != NULL)
1520 linux_wlan_deinit_lock(&g_linux_wlan->rxq_event);
1521
1522 if (&g_linux_wlan->txq_event != NULL)
1523 linux_wlan_deinit_lock(&g_linux_wlan->txq_event);
1524
1525 /*Added by Amr - BugID_4720*/
1526 if (&g_linux_wlan->txq_add_to_head_cs != NULL)
1527 linux_wlan_deinit_lock(&g_linux_wlan->txq_add_to_head_cs);
1528
1529 if (&g_linux_wlan->rxq_thread_started != NULL)
1530 linux_wlan_deinit_lock(&g_linux_wlan->rxq_thread_started);
1531
1532 if (&g_linux_wlan->txq_thread_started != NULL)
1533 linux_wlan_deinit_lock(&g_linux_wlan->txq_thread_started);
1534
1535 if (&g_linux_wlan->cfg_event != NULL)
1536 linux_wlan_deinit_lock(&g_linux_wlan->cfg_event);
1537
1538 if (&g_linux_wlan->sync_event != NULL)
1539 linux_wlan_deinit_lock(&g_linux_wlan->sync_event);
1540
1541 return 0;
1542}
1543void linux_to_wlan(wilc_wlan_inp_t *nwi, linux_wlan_t *nic)
1544{
1545
1546 PRINT_D(INIT_DBG, "Linux to Wlan services ...\n");
1547
1548 nwi->os_context.hif_critical_section = (void *)&g_linux_wlan->hif_cs;
1549 nwi->os_context.os_private = (void *)nic;
1550 nwi->os_context.tx_buffer_size = LINUX_TX_SIZE;
1551 nwi->os_context.txq_critical_section = (void *)&g_linux_wlan->txq_cs;
1552
1553 /*Added by Amr - BugID_4720*/
1554 nwi->os_context.txq_add_to_head_critical_section = (void *)&g_linux_wlan->txq_add_to_head_cs;
1555
1556 /*Added by Amr - BugID_4720*/
1557 nwi->os_context.txq_spin_lock = (void *)&g_linux_wlan->txq_spinlock;
1558
1559 nwi->os_context.txq_wait_event = (void *)&g_linux_wlan->txq_event;
1560
1561#if defined (MEMORY_STATIC)
1562 nwi->os_context.rx_buffer_size = LINUX_RX_SIZE;
1563#endif
1564 nwi->os_context.rxq_critical_section = (void *)&g_linux_wlan->rxq_cs;
1565 nwi->os_context.rxq_wait_event = (void *)&g_linux_wlan->rxq_event;
1566 nwi->os_context.cfg_wait_event = (void *)&g_linux_wlan->cfg_event;
1567
1568 nwi->os_func.os_sleep = linux_wlan_msleep;
1569 nwi->os_func.os_atomic_sleep = linux_wlan_atomic_msleep;
1570 nwi->os_func.os_debug = linux_wlan_dbg;
1571 nwi->os_func.os_malloc = linux_wlan_malloc;
1572 nwi->os_func.os_malloc_atomic = linux_wlan_malloc_atomic;
1573 nwi->os_func.os_free = linux_wlan_free;
1574 nwi->os_func.os_lock = linux_wlan_lock;
1575 nwi->os_func.os_unlock = linux_wlan_unlock;
1576 nwi->os_func.os_wait = linux_wlan_lock_timeout;
1577 nwi->os_func.os_signal = linux_wlan_unlock;
1578 nwi->os_func.os_enter_cs = linux_wlan_lock_mutex;
1579 nwi->os_func.os_leave_cs = linux_wlan_unlock_mutex;
1580
1581 /*Added by Amr - BugID_4720*/
1582 nwi->os_func.os_spin_lock = linux_wlan_spin_lock;
1583 nwi->os_func.os_spin_unlock = linux_wlan_spin_unlock;
1584
1585#ifdef WILC_SDIO
1586 nwi->io_func.io_type = HIF_SDIO;
1587 nwi->io_func.io_init = linux_sdio_init;
1588 nwi->io_func.io_deinit = linux_sdio_deinit;
1589 nwi->io_func.u.sdio.sdio_cmd52 = linux_sdio_cmd52;
1590 nwi->io_func.u.sdio.sdio_cmd53 = linux_sdio_cmd53;
1591 nwi->io_func.u.sdio.sdio_set_max_speed = linux_sdio_set_max_speed;
1592 nwi->io_func.u.sdio.sdio_set_default_speed = linux_sdio_set_default_speed;
1593#else
1594 nwi->io_func.io_type = HIF_SPI;
1595 nwi->io_func.io_init = linux_spi_init;
1596 nwi->io_func.io_deinit = linux_spi_deinit;
1597 nwi->io_func.u.spi.spi_tx = linux_spi_write;
1598 nwi->io_func.u.spi.spi_rx = linux_spi_read;
1599 nwi->io_func.u.spi.spi_trx = linux_spi_write_read;
1600 nwi->io_func.u.spi.spi_max_speed = linux_spi_set_max_speed;
1601#endif
1602
1603 /*for now - to be revised*/
1604 #ifdef WILC_FULLY_HOSTING_AP
1605 /* incase of Fully hosted AP, all non cfg pkts are processed here*/
1606 nwi->net_func.rx_indicate = WILC_Process_rx_frame;
1607 #else
1608 nwi->net_func.rx_indicate = frmw_to_linux;
1609 #endif
1610 nwi->net_func.rx_complete = linux_wlan_rx_complete;
1611 nwi->indicate_func.mac_indicate = linux_wlan_mac_indicate;
1612}
1613
1614int wlan_initialize_threads(perInterface_wlan_t *nic)
1615{
1616
1617 int ret = 0;
1618 PRINT_D(INIT_DBG, "Initializing Threads ...\n");
1619
1620#if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
1621 /*Initialize rx work queue task*/
1622 INIT_WORK(&g_linux_wlan->rx_work_queue, isr_bh_routine);
1623#elif (RX_BH_TYPE == RX_BH_KTHREAD)
1624 PRINT_D(INIT_DBG, "Creating kthread for Rxq BH\n");
1625 g_linux_wlan->rx_bh_thread = kthread_run(isr_bh_routine, (void *)g_linux_wlan, "K_RXQ_BH");
1626 if (g_linux_wlan->rx_bh_thread == 0) {
1627 PRINT_ER("couldn't create RX BH thread\n");
1628 ret = -ENOBUFS;
1629 goto _fail_;
1630 }
1631#endif
1632
1633#ifndef TCP_ENHANCEMENTS
1634 /* create rx task */
1635 PRINT_D(INIT_DBG, "Creating kthread for reception\n");
1636 g_linux_wlan->rxq_thread = kthread_run(linux_wlan_rxq_task, (void *)g_linux_wlan, "K_RXQ_TASK");
1637 if (g_linux_wlan->rxq_thread == 0) {
1638 PRINT_ER("couldn't create RXQ thread\n");
1639 ret = -ENOBUFS;
1640 goto _fail_1;
1641 }
1642
1643 /* wait for RXQ task to start. */
1644 linux_wlan_lock(&g_linux_wlan->rxq_thread_started);
1645
1646#endif
1647
1648 /* create tx task */
1649 PRINT_D(INIT_DBG, "Creating kthread for transmission\n");
1650 g_linux_wlan->txq_thread = kthread_run(linux_wlan_txq_task, (void *)g_linux_wlan, "K_TXQ_TASK");
1651 if (g_linux_wlan->txq_thread == 0) {
1652 PRINT_ER("couldn't create TXQ thread\n");
1653 ret = -ENOBUFS;
1654 goto _fail_2;
1655 }
1656#ifdef DEBUG_MODE
1657 PRINT_D(INIT_DBG, "Creating kthread for Debugging\n");
1658 g_linux_wlan->txq_thread = kthread_run(DebuggingThreadTask, (void *)g_linux_wlan, "DebugThread");
1659 if (g_linux_wlan->txq_thread == 0) {
1660 PRINT_ER("couldn't create TXQ thread\n");
1661 ret = -ENOBUFS;
1662 goto _fail_2;
1663 }
1664#endif
1665 /* wait for TXQ task to start. */
1666 linux_wlan_lock(&g_linux_wlan->txq_thread_started);
1667
1668 return 0;
1669
1670_fail_2:
1671 /*De-Initialize 2nd thread*/
1672 g_linux_wlan->close = 1;
1673 linux_wlan_unlock(&g_linux_wlan->rxq_event);
1674 kthread_stop(g_linux_wlan->rxq_thread);
1675
7a8fd841 1676#ifndef TCP_ENHANCEMENTS
c5c77ba1 1677_fail_1:
7a8fd841 1678#endif
c5c77ba1
JK		 1679 #if (RX_BH_TYPE == RX_BH_KTHREAD)
1680 /*De-Initialize 1st thread*/
1681 g_linux_wlan->close = 1;
1682 linux_wlan_unlock(&g_linux_wlan->rx_sem);
1683 kthread_stop(g_linux_wlan->rx_bh_thread);
1684_fail_:
1685 #endif
1686 g_linux_wlan->close = 0;
1687 return ret;
1688}
1689
1690static void wlan_deinitialize_threads(linux_wlan_t *nic)
1691{
1692
1693 g_linux_wlan->close = 1;
1694 PRINT_D(INIT_DBG, "Deinitializing Threads\n");
1695 if (&g_linux_wlan->rxq_event != NULL)
1696 linux_wlan_unlock(&g_linux_wlan->rxq_event);
1697
1698
1699 if (g_linux_wlan->rxq_thread != NULL) {
1700 kthread_stop(g_linux_wlan->rxq_thread);
1701 g_linux_wlan->rxq_thread = NULL;
1702 }
1703
1704
1705 if (&g_linux_wlan->txq_event != NULL)
1706 linux_wlan_unlock(&g_linux_wlan->txq_event);
1707
1708
1709 if (g_linux_wlan->txq_thread != NULL) {
1710 kthread_stop(g_linux_wlan->txq_thread);
1711 g_linux_wlan->txq_thread = NULL;
1712 }
1713
1714 #if (RX_BH_TYPE == RX_BH_KTHREAD)
1715 if (&g_linux_wlan->rx_sem != NULL)
1716 linux_wlan_unlock(&g_linux_wlan->rx_sem);
1717
1718 if (g_linux_wlan->rx_bh_thread != NULL) {
1719 kthread_stop(g_linux_wlan->rx_bh_thread);
1720 g_linux_wlan->rx_bh_thread = NULL;
1721 }
1722 #endif
1723}
1724
1725#ifdef STATIC_MACADDRESS
1726const char *path_string[] = {
1727 "/etc/wlan",
1728 "/data/wlan",
1729};
1730
1731static int linux_wlan_read_mac_addr(void *vp)
1732{
1733 int ret = 0;
1734 struct file *fp = (struct file *)-ENOENT;
1735 mm_segment_t old_fs;
1736 loff_t pos = 0;
1737 int index;
0feae200 1738 int array_size = ARRAY_SIZE(path_string);
c5c77ba1
JK		 1739
1740 /* change to KERNEL_DS address limit */
1741 old_fs = get_fs();
1742 set_fs(KERNEL_DS);
1743
1744 for (index = 0; index < array_size; index++) {
1745 fp = filp_open(path_string[index], O_WRONLY, 0640);
1746 if (!fp) {
1747 ret = -1;
1748 goto exit;
1749 }
1750
1751 /*No such file or directory */
1752 if (IS_ERR(fp) || !fp->f_op) {
1753 get_random_bytes(&mac_add[3], 3);
1754 /* open file to write */
1755 fp = filp_open(path_string[index], O_WRONLY | O_CREAT, 0640);
1756
1757 if (!fp || IS_ERR(fp)) {
1758 ret = -1;
1759 continue;
1760 } else {
1761 /* write buf to file */
1762 fp->f_op->write(fp, mac_add, 6, &pos);
1763 break;
1764 }
1765 } else {
1766 /* read file to buf */
1767 fp->f_op->read(fp, mac_add, 6, &pos);
1768 break;
1769 }
1770 }
1771
1772 if (index == array_size) {
1773 PRINT_ER("random MAC\n");
1774 }
1775
1776exit:
1777 if (fp && !IS_ERR(fp)) {
1778 filp_close(fp, NULL);
1779 }
1780
1781 set_fs(old_fs);
1782
1783 return ret;
1784}
1785#endif
1786
1787#ifdef COMPLEMENT_BOOT
1788
1789extern volatile int probe;
1790extern uint8_t core_11b_ready(void);
1791
1792#define READY_CHECK_THRESHOLD 30
1793extern void wilc_wlan_global_reset(void);
1794uint8_t wilc1000_prepare_11b_core(wilc_wlan_inp_t *nwi, wilc_wlan_oup_t *nwo, linux_wlan_t *nic)
1795{
1796 uint8_t trials = 0;
1797 while ((core_11b_ready() && (READY_CHECK_THRESHOLD > (trials++)))) {
1798 PRINT_D(INIT_DBG, "11b core not ready yet: %u\n", trials);
1799 wilc_wlan_deinit(nic);
1800 wilc_wlan_global_reset();
1801 sdio_unregister_driver(&wilc_bus);
1802
1803 linux_wlan_device_detection(0);
1804
1805 mdelay(100);
1806
1807 linux_wlan_device_detection(1);
1808
1809 sdio_register_driver(&wilc_bus);
1810
1811 while (!probe) {
1812 msleep(100);
1813 }
1814 probe = 0;
1815 g_linux_wlan->wilc_sdio_func = local_sdio_func;
1816 linux_to_wlan(nwi, nic);
1817 wilc_wlan_init(nwi, nwo);
1818 }
1819
1820 if (READY_CHECK_THRESHOLD <= trials)
1821 return 1;
1822 else
1823 return 0;
1824
1825}
1826
1827int repeat_power_cycle(perInterface_wlan_t *nic)
1828{
1829 int ret = 0;
1830 wilc_wlan_inp_t nwi;
1831 wilc_wlan_oup_t nwo;
1832 sdio_unregister_driver(&wilc_bus);
1833
1834 linux_wlan_device_detection(0);
1835 linux_wlan_device_power(0);
1836 msleep(100);
1837 linux_wlan_device_power(1);
1838 msleep(80);
1839 linux_wlan_device_detection(1);
1840 msleep(20);
1841
1842 sdio_register_driver(&wilc_bus);
1843
1844 /* msleep(1000); */
1845 while (!probe) {
1846 msleep(100);
1847 }
1848 probe = 0;
1849 g_linux_wlan->wilc_sdio_func = local_sdio_func;
1850 linux_to_wlan(&nwi, g_linux_wlan);
1851 ret = wilc_wlan_init(&nwi, &nwo);
1852
1853 g_linux_wlan->mac_status = WILC_MAC_STATUS_INIT;
1854 #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1855 enable_sdio_interrupt();
1856 #endif
1857
1858 if (linux_wlan_get_firmware(nic)) {
1859 PRINT_ER("Can't get firmware \n");
1860 ret = -1;
1861 goto __fail__;
1862 }
1863
1864 /*Download firmware*/
1865 ret = linux_wlan_firmware_download(g_linux_wlan);
1866 if (ret < 0) {
1867 PRINT_ER("Failed to download firmware\n");
1868 goto __fail__;
1869 }
1870 /* Start firmware*/
1871 ret = linux_wlan_start_firmware(nic);
1872 if (ret < 0) {
1873 PRINT_ER("Failed to start firmware\n");
1874 }
1875__fail__:
1876 return ret;
1877}
1878#endif
1879
1880int wilc1000_wlan_init(struct net_device *dev, perInterface_wlan_t *p_nic)
1881{
1882 wilc_wlan_inp_t nwi;
1883 wilc_wlan_oup_t nwo;
1884 perInterface_wlan_t *nic = p_nic;
1885 int ret = 0;
1886
1887 if (!g_linux_wlan->wilc1000_initialized) {
1888 g_linux_wlan->mac_status = WILC_MAC_STATUS_INIT;
1889 g_linux_wlan->close = 0;
1890 g_linux_wlan->wilc1000_initialized = 0;
1891
1892 wlan_init_locks(g_linux_wlan);
1893
1894#ifdef STATIC_MACADDRESS
1895 wilc_mac_thread = kthread_run(linux_wlan_read_mac_addr, NULL, "wilc_mac_thread");
1896 if (wilc_mac_thread < 0) {
1897 PRINT_ER("couldn't create Mac addr thread\n");
1898 }
1899#endif
1900
1901 linux_to_wlan(&nwi, g_linux_wlan);
1902
1903 ret = wilc_wlan_init(&nwi, &nwo);
1904 if (ret < 0) {
1905 PRINT_ER("Initializing WILC_Wlan FAILED\n");
1906 ret = -EIO;
1907 goto _fail_locks_;
1908 }
1909 memcpy(&g_linux_wlan->oup, &nwo, sizeof(wilc_wlan_oup_t));
1910
1911 /*Save the oup structre into global pointer*/
1912 gpstrWlanOps = &g_linux_wlan->oup;
1913
1914
1915 ret = wlan_initialize_threads(nic);
1916 if (ret < 0) {
1917 PRINT_ER("Initializing Threads FAILED\n");
1918 ret = -EIO;
1919 goto _fail_wilc_wlan_;
1920 }
1921
1922#if (defined WILC_SDIO) && (defined COMPLEMENT_BOOT)
1923 if (wilc1000_prepare_11b_core(&nwi, &nwo, g_linux_wlan)) {
1924 PRINT_ER("11b Core is not ready\n");
1925 ret = -EIO;
1926 goto _fail_threads_;
1927 }
1928#endif
1929
1930#if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1931 if (init_irq(g_linux_wlan)) {
1932 PRINT_ER("couldn't initialize IRQ\n");
1933 ret = -EIO;
1934 goto _fail_threads_;
1935 }
1936#endif
1937
1938#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1939 if (enable_sdio_interrupt()) {
1940 PRINT_ER("couldn't initialize IRQ\n");
1941 ret = -EIO;
1942 goto _fail_irq_init_;
1943 }
1944#endif
1945
1946 if (linux_wlan_get_firmware(nic)) {
1947 PRINT_ER("Can't get firmware \n");
1948 ret = -EIO;
1949 goto _fail_irq_enable_;
1950 }
1951
1952
1953 /*Download firmware*/
1954 ret = linux_wlan_firmware_download(g_linux_wlan);
1955 if (ret < 0) {
1956 PRINT_ER("Failed to download firmware\n");
1957 ret = -EIO;
1958 goto _fail_irq_enable_;
1959 }
1960
1961 /* Start firmware*/
1962 ret = linux_wlan_start_firmware(nic);
1963 if (ret < 0) {
1964 PRINT_ER("Failed to start firmware\n");
1965 ret = -EIO;
1966 goto _fail_irq_enable_;
1967 }
1968
1969 wilc_bus_set_max_speed();
1970
1971 if (g_linux_wlan->oup.wlan_cfg_get(1, WID_FIRMWARE_VERSION, 1, 0)) {
1972 int size;
1973 char Firmware_ver[20];
1974 size = g_linux_wlan->oup.wlan_cfg_get_value(
1975 WID_FIRMWARE_VERSION,
1976 Firmware_ver, sizeof(Firmware_ver));
1977 Firmware_ver[size] = '\0';
1978 PRINT_D(INIT_DBG, "***** Firmware Ver = %s *******\n", Firmware_ver);
1979 }
1980 /* Initialize firmware with default configuration */
1981 ret = linux_wlan_init_test_config(dev, g_linux_wlan);
1982
1983 if (ret < 0) {
1984 PRINT_ER("Failed to configure firmware\n");
1985 ret = -EIO;
1986 goto _fail_fw_start_;
1987 }
1988
1989 g_linux_wlan->wilc1000_initialized = 1;
1990 return 0; /*success*/
1991
1992
1993_fail_fw_start_:
1994 if (&g_linux_wlan->oup != NULL) {
1995 if (g_linux_wlan->oup.wlan_stop != NULL)
1996 g_linux_wlan->oup.wlan_stop();
1997 }
1998
1999_fail_irq_enable_:
2000#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
2001 disable_sdio_interrupt();
c5c77ba1 2002_fail_irq_init_:
7a8fd841 2003#endif
c5c77ba1
JK		 2004#if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
2005 deinit_irq(g_linux_wlan);
2006
2007#endif
2008_fail_threads_:
2009 wlan_deinitialize_threads(g_linux_wlan);
2010_fail_wilc_wlan_:
2011 wilc_wlan_deinit(g_linux_wlan);
2012_fail_locks_:
2013 wlan_deinit_locks(g_linux_wlan);
2014 PRINT_ER("WLAN Iinitialization FAILED\n");
2015 } else {
2016 PRINT_D(INIT_DBG, "wilc1000 already initialized\n");
2017 }
2018 return ret;
2019}
2020
2021
2022/*
2023 * - this function will be called automatically by OS when module inserted.
2024 */
2025
2026#if !defined (NM73131_0_BOARD)
2027int mac_init_fn(struct net_device *ndev)
2028{
2029
2030 /*Why we do this !!!*/
2031 netif_start_queue(ndev); /* ma */
2032 netif_stop_queue(ndev); /* ma */
2033
2034 return 0;
2035}
2036#else
2037int mac_init_fn(struct net_device *ndev)
2038{
2039
2040 unsigned char mac_add[] = {0x00, 0x50, 0xc2, 0x5e, 0x10, 0x00};
2041 /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/
2042 memcpy(ndev->dev_addr, mac_add, 6);
2043
2044 if (!is_valid_ether_addr(ndev->dev_addr)) {
2045 PRINT_ER("Error: Wrong MAC address\n");
2046 return -EINVAL;
2047 }
2048
2049 return 0;
2050}
2051#endif
2052
2053
2054void WILC_WFI_frame_register(struct wiphy *wiphy, struct net_device *dev,
2055 u16 frame_type, bool reg);
2056
2057/* This fn is called, when this device is setup using ifconfig */
2058#if !defined (NM73131_0_BOARD)
2059int mac_open(struct net_device *ndev)
2060{
2061 perInterface_wlan_t *nic;
2062
2063 /*BugID_5213*/
2064 /*No need for setting mac address here anymore,*/
2065 /*Just set it in init_test_config()*/
2066 unsigned char mac_add[ETH_ALEN] = {0};
c5c77ba1
JK		 2067 int ret = 0;
2068 int i = 0;
2069 struct WILC_WFI_priv *priv;
2070
2071 nic = netdev_priv(ndev);
2072 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2073 PRINT_D(INIT_DBG, "MAC OPEN[%p]\n", ndev);
2074
2075 #ifdef USE_WIRELESS
2076 ret = WILC_WFI_InitHostInt(ndev);
2077 if (ret < 0) {
2078 PRINT_ER("Failed to initialize host interface\n");
2079
2080 return ret;
2081 }
2082 #endif
2083
2084 /*initialize platform*/
2085 PRINT_D(INIT_DBG, "*** re-init ***\n");
2086 ret = wilc1000_wlan_init(ndev, nic);
2087 if (ret < 0) {
2088 PRINT_ER("Failed to initialize wilc1000\n");
2089 WILC_WFI_DeInitHostInt(ndev);
2090 return ret;
2091 }
2092
72ed4dc7 2093 Set_machw_change_vir_if(false);
c5c77ba1 2094
21175ef7 2095 host_int_get_MacAddress(priv->hWILCWFIDrv, mac_add);
c5c77ba1
JK		 2096 PRINT_D(INIT_DBG, "Mac address: %x:%x:%x:%x:%x:%x\n", mac_add[0], mac_add[1], mac_add[2],
2097 mac_add[3], mac_add[4], mac_add[5]);
2098
2099 /* loop through the NUM of supported devices and set the MAC address */
2100 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
2101 if (ndev == g_linux_wlan->strInterfaceInfo[i].wilc_netdev) {
2102 memcpy(g_linux_wlan->strInterfaceInfo[i].aSrcAddress, mac_add, ETH_ALEN);
4e4467fd 2103 g_linux_wlan->strInterfaceInfo[i].drvHandler = (u32)priv->hWILCWFIDrv;
c5c77ba1
JK		 2104 break;
2105 }
2106 }
2107
2108 /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/
2109 memcpy(ndev->dev_addr, g_linux_wlan->strInterfaceInfo[i].aSrcAddress, ETH_ALEN);
2110
2111 if (!is_valid_ether_addr(ndev->dev_addr)) {
2112 PRINT_ER("Error: Wrong MAC address\n");
2113 ret = -EINVAL;
2114 goto _err_;
2115 }
2116
2117
2118 WILC_WFI_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev,
2119 nic->g_struct_frame_reg[0].frame_type, nic->g_struct_frame_reg[0].reg);
2120 WILC_WFI_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev,
2121 nic->g_struct_frame_reg[1].frame_type, nic->g_struct_frame_reg[1].reg);
2122 netif_wake_queue(ndev);
2123 g_linux_wlan->open_ifcs++;
2124 nic->mac_opened = 1;
2125 return 0;
2126
2127_err_:
2128 WILC_WFI_DeInitHostInt(ndev);
2129 wilc1000_wlan_deinit(g_linux_wlan);
2130 return ret;
2131}
2132#else
2133int mac_open(struct net_device *ndev)
2134{
2135
2136 linux_wlan_t *nic;
2137 nic = netdev_priv(ndev);
2138
2139 /*initialize platform*/
2140 if (wilc1000_wlan_init(nic)) {
2141 PRINT_ER("Failed to initialize platform\n");
2142 return 1;
2143 }
2144 /* Start the network interface queue for this device */
2145 PRINT_D(INIT_DBG, "Starting netifQ\n");
2146 netif_start_queue(ndev);
2147/* linux_wlan_lock(&close_exit_sync); */
2148 return 0;
2149}
2150#endif
2151
2152struct net_device_stats *mac_stats(struct net_device *dev)
2153{
2154 perInterface_wlan_t *nic = netdev_priv(dev);
2155
2156
2157 return &nic->netstats;
2158}
2159
2160/* Setup the multicast filter */
c5c77ba1
JK		 2161static void wilc_set_multicast_list(struct net_device *dev)
2162{
2163
2164 struct netdev_hw_addr *ha;
2165 struct WILC_WFI_priv *priv;
2166 tstrWILC_WFIDrv *pstrWFIDrv;
2167 int i = 0;
2168 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
2169 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
2170
2171
2172 if (!dev)
2173 return;
2174
2175 PRINT_D(INIT_DBG, "Setting Multicast List with count = %d. \n", dev->mc.count);
2176
2177 if (dev->flags & IFF_PROMISC) {
2178 /* Normally, we should configure the chip to retrive all packets
2179 * but we don't wanna support this right now */
2180 /* TODO: add promiscuous mode support */
2181 PRINT_D(INIT_DBG, "Set promiscuous mode ON, retrive all packets \n");
2182 return;
2183 }
2184
2185 /* If there's more addresses than we handle, get all multicast
2186 * packets and sort them out in software. */
2187 if ((dev->flags & IFF_ALLMULTI) || (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) {
2188 PRINT_D(INIT_DBG, "Disable multicast filter, retrive all multicast packets\n");
2189 /* get all multicast packets */
72ed4dc7 2190 host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, false, 0);
c5c77ba1
JK		 2191 return;
2192 }
2193
2194 /* No multicast? Just get our own stuff */
2195 if ((dev->mc.count) == 0) {
2196 PRINT_D(INIT_DBG, "Enable multicast filter, retrive directed packets only.\n");
72ed4dc7 2197 host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, true, 0);
c5c77ba1
JK		 2198 return;
2199 }
2200
2201 /* Store all of the multicast addresses in the hardware filter */
2202 netdev_for_each_mc_addr(ha, dev)
2203 {
2204 WILC_memcpy(gau8MulticastMacAddrList[i], ha->addr, ETH_ALEN);
2205 PRINT_D(INIT_DBG, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i,
2206 gau8MulticastMacAddrList[i][0], gau8MulticastMacAddrList[i][1], gau8MulticastMacAddrList[i][2], gau8MulticastMacAddrList[i][3], gau8MulticastMacAddrList[i][4], gau8MulticastMacAddrList[i][5]);
2207 i++;
2208 }
2209
72ed4dc7 2210 host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, true, (dev->mc.count));
c5c77ba1
JK		 2211
2212 return;
2213
2214}
2215
c5c77ba1
JK		 2216static void linux_wlan_tx_complete(void *priv, int status)
2217{
2218
2219 struct tx_complete_data *pv_data = (struct tx_complete_data *)priv;
2220 if (status == 1) {
2221 PRINT_D(TX_DBG, "Packet sent successfully - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
2222 } else {
2223 PRINT_D(TX_DBG, "Couldn't send packet - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
2224 }
2225 /* Free the SK Buffer, its work is done */
2226 dev_kfree_skb(pv_data->skb);
2227 linux_wlan_free(pv_data);
2228}
2229
2230int mac_xmit(struct sk_buff *skb, struct net_device *ndev)
2231{
2232 perInterface_wlan_t *nic;
2233 struct tx_complete_data *tx_data = NULL;
2234 int QueueCount;
2235 char *pu8UdpBuffer;
2236 struct iphdr *ih;
2237 struct ethhdr *eth_h;
2238 nic = netdev_priv(ndev);
2239
2240 PRINT_D(INT_DBG, "\n========\n IntUH: %d - IntBH: %d - IntCld: %d \n========\n", int_rcvdU, int_rcvdB, int_clrd);
2241 PRINT_D(TX_DBG, "Sending packet just received from TCP/IP\n");
2242
2243 /* Stop the network interface queue */
2244 if (skb->dev != ndev) {
2245 PRINT_ER("Packet not destined to this device\n");
2246 return 0;
2247 }
2248
2249 tx_data = (struct tx_complete_data *)internal_alloc(sizeof(struct tx_complete_data), GFP_ATOMIC);
2250 if (tx_data == NULL) {
2251 PRINT_ER("Failed to allocate memory for tx_data structure\n");
2252 dev_kfree_skb(skb);
2253 netif_wake_queue(ndev);
2254 return 0;
2255 }
2256
2257 tx_data->buff = skb->data;
2258 tx_data->size = skb->len;
2259 tx_data->skb = skb;
2260
2261 eth_h = (struct ethhdr *)(skb->data);
2262 if (eth_h->h_proto == 0x8e88) {
2263 PRINT_D(INIT_DBG, "EAPOL transmitted\n");
2264 }
2265
2266 /*get source and dest ip addresses*/
2267 ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
2268
2269 pu8UdpBuffer = (char *)ih + sizeof(struct iphdr);
2270 if ((pu8UdpBuffer[1] == 68 && pu8UdpBuffer[3] == 67) || (pu8UdpBuffer[1] == 67 && pu8UdpBuffer[3] == 68)) {
2271 PRINT_D(GENERIC_DBG, "DHCP Message transmitted, type:%x %x %x\n", pu8UdpBuffer[248], pu8UdpBuffer[249], pu8UdpBuffer[250]);
2272
2273 }
2274 PRINT_D(TX_DBG, "Sending packet - Size = %d - Address = %p - SKB = %p\n", tx_data->size, tx_data->buff, tx_data->skb);
2275
2276 /* Send packet to MAC HW - for now the tx_complete function will be just status
2277 * indicator. still not sure if I need to suspend host transmission till the tx_complete
2278 * function called or not?
2279 * allocated buffer will be freed in tx_complete function.
2280 */
2281 PRINT_D(TX_DBG, "Adding tx packet to TX Queue\n");
2282 nic->netstats.tx_packets++;
2283 nic->netstats.tx_bytes += tx_data->size;
2284 tx_data->pBssid = g_linux_wlan->strInterfaceInfo[nic->u8IfIdx].aBSSID;
2285 #ifndef WILC_FULLY_HOSTING_AP
2286 QueueCount = g_linux_wlan->oup.wlan_add_to_tx_que((void *)tx_data,
2287 tx_data->buff,
2288 tx_data->size,
2289 linux_wlan_tx_complete);
2290 #else
2291 QueueCount = WILC_Xmit_data((void *)tx_data, HOST_TO_WLAN);
2292 #endif /* WILC_FULLY_HOSTING_AP */
2293
2294
2295 if (QueueCount > FLOW_CONTROL_UPPER_THRESHOLD) {
2296 netif_stop_queue(g_linux_wlan->strInterfaceInfo[0].wilc_netdev);
2297 netif_stop_queue(g_linux_wlan->strInterfaceInfo[1].wilc_netdev);
2298 }
2299
2300 return 0;
2301}
2302
2303
2304int mac_close(struct net_device *ndev)
2305{
2306 struct WILC_WFI_priv *priv;
2307 perInterface_wlan_t *nic;
2308 tstrWILC_WFIDrv *pstrWFIDrv;
2309
2310 nic = netdev_priv(ndev);
2311
2312 if ((nic == NULL) || (nic->wilc_netdev == NULL) || (nic->wilc_netdev->ieee80211_ptr == NULL) || (nic->wilc_netdev->ieee80211_ptr->wiphy == NULL)) {
2313 PRINT_ER("nic = NULL\n");
2314 return 0;
2315 }
2316
2317 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2318
2319 if (priv == NULL) {
2320 PRINT_ER("priv = NULL\n");
2321 return 0;
2322 }
2323
2324 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
2325
2326
2327
2328 PRINT_D(GENERIC_DBG, "Mac close\n");
2329
2330 if (g_linux_wlan == NULL) {
2331 PRINT_ER("g_linux_wlan = NULL\n");
2332 return 0;
2333 }
2334
2335 if (pstrWFIDrv == NULL) {
2336 PRINT_ER("pstrWFIDrv = NULL\n");
2337 return 0;
2338 }
2339
2340 if ((g_linux_wlan->open_ifcs) > 0) {
2341 g_linux_wlan->open_ifcs--;
2342 } else {
2343 PRINT_ER("ERROR: MAC close called while number of opened interfaces is zero\n");
2344 return 0;
2345 }
2346
2347 if (nic->wilc_netdev != NULL) {
2348 /* Stop the network interface queue */
2349 netif_stop_queue(nic->wilc_netdev);
2350
2351 #ifdef USE_WIRELESS
2352 WILC_WFI_DeInitHostInt(nic->wilc_netdev);
2353 #endif
2354 }
2355
2356 if (g_linux_wlan->open_ifcs == 0) {
2357 PRINT_D(GENERIC_DBG, "Deinitializing wilc1000\n");
2358 g_linux_wlan->close = 1;
2359 wilc1000_wlan_deinit(g_linux_wlan);
2360 #ifdef USE_WIRELESS
2361 #ifdef WILC_AP_EXTERNAL_MLME
2362 WILC_WFI_deinit_mon_interface();
2363 #endif
2364 #endif
2365 }
2366
2367 linux_wlan_unlock(&close_exit_sync);
2368 nic->mac_opened = 0;
2369
2370 return 0;
2371}
2372
2373
2374int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
2375{
2376
63d03e47 2377 u8 *buff = NULL;
ca356ada 2378 s8 rssi;
4e4467fd 2379 u32 size = 0, length = 0;
c5c77ba1
JK		 2380 perInterface_wlan_t *nic;
2381 struct WILC_WFI_priv *priv;
fb4ec9ca 2382 s32 s32Error = WILC_SUCCESS;
c5c77ba1
JK		 2383
2384
2385
2386 /* struct iwreq *wrq = (struct iwreq *) req; // tony moved to case SIOCSIWPRIV */
2387 #ifdef USE_WIRELESS
2388 nic = netdev_priv(ndev);
2389
2390 if (!g_linux_wlan->wilc1000_initialized)
2391 return 0;
2392
2393 #endif
2394
2395 switch (cmd) {
2396 /* [[ added by tony for SIOCDEVPRIVATE */
2397 case SIOCDEVPRIVATE + 1:
2398 {
2399 android_wifi_priv_cmd priv_cmd;
2400
2401 PRINT_INFO(GENERIC_DBG, "in SIOCDEVPRIVATE+1\n");
2402
2403 if (copy_from_user(&priv_cmd, req->ifr_data, sizeof(android_wifi_priv_cmd))) {
2404 s32Error = -EFAULT;
2405 goto done;
2406 }
2407
2408 buff = kmalloc(priv_cmd.total_len, GFP_KERNEL);
2409 if (!buff) {
2410 s32Error = -ENOMEM;
2411 goto done;
2412 }
2413
2414 if (copy_from_user(buff, priv_cmd.buf, priv_cmd.total_len)) {
2415 s32Error = -EFAULT;
2416 goto done;
2417 }
2418
2419 PRINT_INFO(GENERIC_DBG, "%s: Android private cmd \"%s\" on %s\n", __FUNCTION__, buff, req->ifr_name);
2420
2421 if (strncasecmp(buff, "SCAN-ACTIVE", strlen("SCAN-ACTIVE")) == 0) {
2422 PRINT_INFO(GENERIC_DBG, "%s, SCAN-ACTIVE command\n", __FUNCTION__);
2423 } else if (strncasecmp(buff, "SCAN-PASSIVE", strlen("SCAN-PASSIVE")) == 0) {
2424 PRINT_INFO(GENERIC_DBG, "%s, SCAN-PASSIVE command\n", __FUNCTION__);
2425 } else if (strncasecmp(buff, "RXFILTER-START", strlen("RXFILTER-START")) == 0) {
2426 PRINT_INFO(GENERIC_DBG, "%s, RXFILTER-START command\n", __FUNCTION__);
2427 } else if (strncasecmp(buff, "RXFILTER-STOP", strlen("RXFILTER-STOP")) == 0) {
2428 PRINT_INFO(GENERIC_DBG, "%s, RXFILTER-STOP command\n", __FUNCTION__);
2429 } else if (strncasecmp(buff, "RXFILTER-ADD", strlen("RXFILTER-ADD")) == 0) {
2430 int filter_num = *(buff + strlen("RXFILTER-ADD") + 1) - '0';
2431 PRINT_INFO(GENERIC_DBG, "%s, RXFILTER-ADD command, filter_num=%d\n", __FUNCTION__, filter_num);
2432 } else if (strncasecmp(buff, "RXFILTER-REMOVE", strlen("RXFILTER-REMOVE")) == 0) {
2433 int filter_num = *(buff + strlen("RXFILTER-REMOVE") + 1) - '0';
2434 PRINT_INFO(GENERIC_DBG, "%s, RXFILTER-REMOVE command, filter_num=%d\n", __FUNCTION__, filter_num);
2435 } else if (strncasecmp(buff, "BTCOEXSCAN-START", strlen("BTCOEXSCAN-START")) == 0) {
2436 PRINT_INFO(GENERIC_DBG, "%s, BTCOEXSCAN-START command\n", __FUNCTION__);
2437 } else if (strncasecmp(buff, "BTCOEXSCAN-STOP", strlen("BTCOEXSCAN-STOP")) == 0) {
2438 PRINT_INFO(GENERIC_DBG, "%s, BTCOEXSCAN-STOP command\n", __FUNCTION__);
2439 } else if (strncasecmp(buff, "BTCOEXMODE", strlen("BTCOEXMODE")) == 0) {
2440 PRINT_INFO(GENERIC_DBG, "%s, BTCOEXMODE command\n", __FUNCTION__);
2441 } else if (strncasecmp(buff, "SETBAND", strlen("SETBAND")) == 0) {
2442 uint band = *(buff + strlen("SETBAND") + 1) - '0';
2443 PRINT_INFO(GENERIC_DBG, "%s, SETBAND command, band=%d\n", __FUNCTION__, band);
2444 } else if (strncasecmp(buff, "GETBAND", strlen("GETBAND")) == 0) {
2445 PRINT_INFO(GENERIC_DBG, "%s, GETBAND command\n", __FUNCTION__);
2446 } else if (strncasecmp(buff, "COUNTRY", strlen("COUNTRY")) == 0) {
2447 char *country_code = buff + strlen("COUNTRY") + 1;
2448 PRINT_INFO(GENERIC_DBG, "%s, COUNTRY command, country_code=%s\n", __FUNCTION__, country_code);
2449 } else {
2450 PRINT_INFO(GENERIC_DBG, "%s, Unknown command\n", __FUNCTION__);
2451 }
2452 } break;
2453
2454 /* ]] 2013-06-24 */
2455 case SIOCSIWPRIV:
2456 {
2457 struct iwreq *wrq = (struct iwreq *) req; /* added by tony */
2458
2459 size = wrq->u.data.length;
2460
2461 if (size && wrq->u.data.pointer) {
c5c77ba1 2462
4a01f1c3
HPGE		 2463 buff = memdup_user(wrq->u.data.pointer, wrq->u.data.length);
2464 if (IS_ERR(buff)) {
2465 s32Error = PTR_ERR(buff);
c5c77ba1
JK		 2466 goto done;
2467 }
2468
2469 if (strncasecmp(buff, "RSSI", length) == 0) {
2470
2471 #ifdef USE_WIRELESS
2472 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2473 s32Error = host_int_get_rssi(priv->hWILCWFIDrv, &(rssi));
2474 if (s32Error)
2475 PRINT_ER("Failed to send get rssi param's message queue ");
2476 #endif
2477 PRINT_INFO(GENERIC_DBG, "RSSI :%d\n", rssi);
2478
2479 /*Rounding up the rssi negative value*/
2480 rssi += 5;
2481
2482 snprintf(buff, size, "rssi %d", rssi);
2483
2484 if (copy_to_user(wrq->u.data.pointer, buff, size)) {
2485 PRINT_ER("%s: failed to copy data to user buffer\n", __FUNCTION__);
2486 s32Error = -EFAULT;
2487 goto done;
2488 }
2489 }
2490 }
2491 }
2492 break;
2493
2494 default:
2495 {
2496 PRINT_INFO(GENERIC_DBG, "Command - %d - has been received\n", cmd);
2497 s32Error = -EOPNOTSUPP;
2498 goto done;
2499 }
2500 }
2501
2502done:
2503
2504 if (buff != NULL) {
2505 kfree(buff);
2506 }
2507
2508 return s32Error;
2509}
2510
2511void frmw_to_linux(uint8_t *buff, uint32_t size, uint32_t pkt_offset)
2512{
2513
2514 unsigned int frame_len = 0;
2515 int stats;
2516 unsigned char *buff_to_send = NULL;
2517 struct sk_buff *skb;
7a8fd841 2518#ifndef TCP_ENHANCEMENTS
c5c77ba1
JK		 2519 char *pu8UdpBuffer;
2520 struct iphdr *ih;
7a8fd841 2521#endif
c5c77ba1
JK		 2522 struct net_device *wilc_netdev;
2523 perInterface_wlan_t *nic;
2524
2525 wilc_netdev = GetIfHandler(buff);
2526 if (wilc_netdev == NULL)
2527 return;
2528
2529 buff += pkt_offset;
2530 nic = netdev_priv(wilc_netdev);
2531
2532 if (size > 0) {
2533
2534 frame_len = size;
2535 buff_to_send = buff;
2536
2537
2538 /* Need to send the packet up to the host, allocate a skb buffer */
2539 skb = dev_alloc_skb(frame_len);
2540 if (skb == NULL) {
2541 PRINT_ER("Low memory - packet droped\n");
2542 return;
2543 }
2544
2545 skb_reserve(skb, (unsigned int)skb->data & 0x3);
2546
2547 if (g_linux_wlan == NULL || wilc_netdev == NULL) {
2548 PRINT_ER("wilc_netdev in g_linux_wlan is NULL");
2549 }
2550 skb->dev = wilc_netdev;
2551
2552 if (skb->dev == NULL) {
2553 PRINT_ER("skb->dev is NULL\n");
2554 }
2555
2556 /*
2557 * for(i=0;i<40;i++)
2558 * {
2559 * if(i<frame_len)
2560 * WILC_PRINTF("buff_to_send[%d]=%2x\n",i,buff_to_send[i]);
2561 *
2562 * }*/
2563
2564 /* skb_put(skb, frame_len); */
2565 memcpy(skb_put(skb, frame_len), buff_to_send, frame_len);
2566
2567 /* WILC_PRINTF("After MEM_CPY\n"); */
2568
2569 /* nic = netdev_priv(wilc_netdev); */
2570
2571#ifdef USE_WIRELESS
2572 /* if(nic->monitor_flag)
2573 * {
2574 * WILC_WFI_monitor_rx(nic->wilc_netdev,skb);
2575 * return;
2576 * }*/
2577#endif
2578 skb->protocol = eth_type_trans(skb, wilc_netdev);
2579 #ifndef TCP_ENHANCEMENTS
2580 /*get source and dest ip addresses*/
2581 ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
2582
2583 pu8UdpBuffer = (char *)ih + sizeof(struct iphdr);
2584 if (buff_to_send[35] == 67 && buff_to_send[37] == 68) {
2585 PRINT_D(RX_DBG, "DHCP Message received\n");
2586 }
2587 if (buff_to_send[12] == 0x88 && buff_to_send[13] == 0x8e)
2588 PRINT_D(GENERIC_DBG, "eapol received\n");
2589 #endif
2590 /* Send the packet to the stack by giving it to the bridge */
2591 nic->netstats.rx_packets++;
2592 nic->netstats.rx_bytes += frame_len;
2593 skb->ip_summed = CHECKSUM_UNNECESSARY;
2594 stats = netif_rx(skb);
2595 PRINT_D(RX_DBG, "netif_rx ret value is: %d\n", stats);
2596 }
2597 #ifndef TCP_ENHANCEMENTS
2598 else {
2599 PRINT_ER("Discard sending packet with len = %d\n", size);
2600 }
2601 #endif
2602}
2603
2604void WILC_WFI_mgmt_rx(uint8_t *buff, uint32_t size)
2605{
2606 int i = 0;
2607 perInterface_wlan_t *nic;
2608
2609 /*BugID_5450*/
2610 /*Pass the frame on the monitor interface, if any.*/
2611 /*Otherwise, pass it on p2p0 netdev, if registered on it*/
2612 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
2613 nic = netdev_priv(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2614 if (nic->monitor_flag) {
2615 WILC_WFI_monitor_rx(buff, size);
2616 return;
2617 }
2618 }
2619
2620 #ifdef WILC_P2P
2621 nic = netdev_priv(g_linux_wlan->strInterfaceInfo[1].wilc_netdev); /* p2p0 */
2622 if ((buff[0] == nic->g_struct_frame_reg[0].frame_type && nic->g_struct_frame_reg[0].reg) ||
2623 (buff[0] == nic->g_struct_frame_reg[1].frame_type && nic->g_struct_frame_reg[1].reg)) {
2624 WILC_WFI_p2p_rx(g_linux_wlan->strInterfaceInfo[1].wilc_netdev, buff, size);
2625 }
2626 #endif
2627}
2628
2629int wilc_netdev_init(void)
2630{
2631
2632 int i;
2633 perInterface_wlan_t *nic;
2634 struct net_device *ndev;
2635
2636 linux_wlan_init_lock("close_exit_sync", &close_exit_sync, 0);
2637
2638 /*create the common structure*/
2639 g_linux_wlan = (linux_wlan_t *)WILC_MALLOC(sizeof(linux_wlan_t));
2640 memset(g_linux_wlan, 0, sizeof(linux_wlan_t));
2641
2642 /*Reset interrupt count debug*/
2643 int_rcvdU = 0;
2644 int_rcvdB = 0;
2645 int_clrd = 0;
2646 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
2647 register_inetaddr_notifier(&g_dev_notifier);
2648 #endif
2649
2650 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2651 /*allocate first ethernet device with perinterface_wlan_t as its private data*/
2652 ndev = alloc_etherdev(sizeof(perInterface_wlan_t));
2653 if (!ndev) {
2654 PRINT_ER("Failed to allocate ethernet dev\n");
2655 return -1;
2656 }
2657
2658 nic = netdev_priv(ndev);
2659 memset(nic, 0, sizeof(perInterface_wlan_t));
2660
2661 /*Name the Devices*/
2662 if (i == 0) {
2663 #if defined(NM73131) /* tony, 2012-09-20 */
2664 strcpy(ndev->name, "wilc_eth%d");
2665 #elif defined(PLAT_CLM9722) /* rachel */
2666 strcpy(ndev->name, "eth%d");
2667 #else /* PANDA_BOARD, PLAT_ALLWINNER_A10, PLAT_ALLWINNER_A20, PLAT_ALLWINNER_A31, PLAT_AML8726_M3 or PLAT_WMS8304 */
2668 strcpy(ndev->name, "wlan%d");
2669 #endif
2670 } else
2671 strcpy(ndev->name, "p2p%d");
2672
2673 nic->u8IfIdx = g_linux_wlan->u8NoIfcs;
2674 nic->wilc_netdev = ndev;
2675 g_linux_wlan->strInterfaceInfo[g_linux_wlan->u8NoIfcs].wilc_netdev = ndev;
2676 g_linux_wlan->u8NoIfcs++;
e5af0561 2677 ndev->netdev_ops = &wilc_netdev_ops;
c5c77ba1
JK		 2678
2679 #ifdef USE_WIRELESS
2680 {
2681 struct wireless_dev *wdev;
2682 /*Register WiFi*/
2683 wdev = WILC_WFI_WiphyRegister(ndev);
2684
2685 #ifdef WILC_SDIO
2686 /* set netdev, tony */
2687 SET_NETDEV_DEV(ndev, &local_sdio_func->dev);
2688 #endif
2689
2690 if (wdev == NULL) {
2691 PRINT_ER("Can't register WILC Wiphy\n");
2692 return -1;
2693 }
2694
2695 /*linking the wireless_dev structure with the netdevice*/
2696 nic->wilc_netdev->ieee80211_ptr = wdev;
2697 nic->wilc_netdev->ml_priv = nic;
2698 wdev->netdev = nic->wilc_netdev;
2699 nic->netstats.rx_packets = 0;
2700 nic->netstats.tx_packets = 0;
2701 nic->netstats.rx_bytes = 0;
2702 nic->netstats.tx_bytes = 0;
2703
2704 }
2705 #endif
2706
2707
2708 if (register_netdev(ndev)) {
2709 PRINT_ER("Device couldn't be registered - %s\n", ndev->name);
2710 return -1; /* ERROR */
2711 }
2712
2713 nic->iftype = STATION_MODE;
2714 nic->mac_opened = 0;
2715
2716 }
2717
2718 #ifndef WILC_SDIO
2719 if (!linux_spi_init(&g_linux_wlan->wilc_spidev)) {
2720 PRINT_ER("Can't initialize SPI \n");
2721 return -1; /* ERROR */
2722 }
2723 g_linux_wlan->wilc_spidev = wilc_spi_dev;
2724 #else
2725 g_linux_wlan->wilc_sdio_func = local_sdio_func;
2726 #endif
2727
2728 return 0;
2729}
2730
2731
2732/*The 1st function called after module inserted*/
2733static int __init init_wilc_driver(void)
2734{
2735
2736
2737#if defined (WILC_DEBUGFS)
2738 if (wilc_debugfs_init() < 0) {
2739 PRINT_D(GENERIC_DBG, "fail to create debugfs for wilc driver\n");
2740 return -1;
2741 }
2742#endif
2743
2744 printk("IN INIT FUNCTION\n");
691f1a2f 2745 printk("*** WILC1000 driver VERSION=[10.2] FW_VER=[10.2] ***\n");
c5c77ba1
JK		 2746
2747 linux_wlan_device_power(1);
2748 msleep(100);
2749 linux_wlan_device_detection(1);
2750
2751#ifdef WILC_SDIO
2752 {
2753 int ret;
2754
2755 ret = sdio_register_driver(&wilc_bus);
2756 if (ret < 0) {
2757 PRINT_D(INIT_DBG, "init_wilc_driver: Failed register sdio driver\n");
2758 }
2759
2760 return ret;
2761 }
2762#else
2763 PRINT_D(INIT_DBG, "Initializing netdev\n");
2764 if (wilc_netdev_init()) {
2765 PRINT_ER("Couldn't initialize netdev\n");
2766 }
2767 return 0;
2768#endif
2769}
2770late_initcall(init_wilc_driver);
2771
2772static void __exit exit_wilc_driver(void)
2773{
2774 int i = 0;
842f1d71 2775 perInterface_wlan_t *nic[NUM_CONCURRENT_IFC] = {NULL,};
c5c77ba1
JK		 2776 #define CLOSE_TIMEOUT (12 * 1000)
2777
2778 if ((g_linux_wlan != NULL) && (((g_linux_wlan->strInterfaceInfo[0].wilc_netdev) != NULL)
2779 || ((g_linux_wlan->strInterfaceInfo[1].wilc_netdev) != NULL))) {
2780 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
2781 unregister_inetaddr_notifier(&g_dev_notifier);
2782 #endif
2783
2784 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2785 nic[i] = netdev_priv(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2786 }
2787 }
2788
2789
2790 if ((g_linux_wlan != NULL) && g_linux_wlan->wilc_firmware != NULL) {
2791 release_firmware(g_linux_wlan->wilc_firmware);
2792 g_linux_wlan->wilc_firmware = NULL;
2793 }
2794
2795
2796 if ((g_linux_wlan != NULL) && (((g_linux_wlan->strInterfaceInfo[0].wilc_netdev) != NULL)
2797 || ((g_linux_wlan->strInterfaceInfo[1].wilc_netdev) != NULL))) {
2798 PRINT_D(INIT_DBG, "Waiting for mac_close ....\n");
2799
2800 if (linux_wlan_lock_timeout(&close_exit_sync, CLOSE_TIMEOUT) < 0)
2801 PRINT_D(INIT_DBG, "Closed TimedOUT\n");
2802 else
2803 PRINT_D(INIT_DBG, "mac_closed\n");
2804
2805
2806 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2807 /* close all opened interfaces */
2808 if (g_linux_wlan->strInterfaceInfo[i].wilc_netdev != NULL) {
2809 if (nic[i]->mac_opened) {
2810 mac_close(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2811 }
2812 }
2813 }
2814 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2815 PRINT_D(INIT_DBG, "Unregistering netdev %p \n", g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2816 unregister_netdev(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2817 #ifdef USE_WIRELESS
2818 PRINT_D(INIT_DBG, "Freeing Wiphy...\n");
2819 WILC_WFI_WiphyFree(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2820 #endif
2821 PRINT_D(INIT_DBG, "Freeing netdev...\n");
2822 free_netdev(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2823 }
2824 }
2825
2826
2827#ifdef USE_WIRELESS
2828#ifdef WILC_AP_EXTERNAL_MLME
2829 /* Bug 4600 : WILC_WFI_deinit_mon_interface was already called at mac_close */
2830 /* WILC_WFI_deinit_mon_interface(); */
2831#endif
2832#endif
2833
2834 /* if(g_linux_wlan->open_ifcs==0) */
2835 {
2836 #ifndef WILC_SDIO
2837 PRINT_D(INIT_DBG, "SPI unregsiter...\n");
2838 spi_unregister_driver(&wilc_bus);
2839 #else
2840 PRINT_D(INIT_DBG, "SDIO unregsiter...\n");
2841 sdio_unregister_driver(&wilc_bus);
2842 #endif
2843
2844 linux_wlan_deinit_lock(&close_exit_sync);
2845 if (g_linux_wlan != NULL) {
2846 WILC_FREE(g_linux_wlan);
2847 g_linux_wlan = NULL;
2848 }
2849 printk("Module_exit Done.\n");
2850
2851#if defined (WILC_DEBUGFS)
2852 wilc_debugfs_remove();
2853#endif
2854
2855 linux_wlan_device_detection(0);
2856 linux_wlan_device_power(0);
2857 }
2858}
2859module_exit(exit_wilc_driver);
2860
2861MODULE_LICENSE("GPL");
2862#endif
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