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staging: wilc1000: remove unnecessary inner braces
[deliverable/linux.git] / drivers / staging / wilc1000 / linux_wlan.c
CommitLineData
c5c77ba1
JK		 1#include "wilc_wfi_cfgoperations.h"
2#include "linux_wlan_common.h"
3#include "wilc_wlan_if.h"
4#include "wilc_wlan.h"
5#ifdef USE_WIRELESS
6#include "wilc_wfi_cfgoperations.h"
7#endif
8
9#include "linux_wlan_common.h"
10
11#include <linux/slab.h>
12#include <linux/sched.h>
13#include <linux/delay.h>
14#include <linux/workqueue.h>
15#include <linux/interrupt.h>
16#include <linux/irq.h>
f1a99830 17#include <linux/gpio.h>
c5c77ba1
JK		 18
19#include <linux/kthread.h>
20#include <linux/firmware.h>
21#include <linux/delay.h>
22
23#include <linux/init.h>
24#include <linux/netdevice.h>
25#ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
26#include <linux/inetdevice.h>
27#endif
28#include <linux/etherdevice.h>
29#include <linux/module.h>
30#include <linux/kernel.h>
31#include <linux/skbuff.h>
32
33#include <linux/version.h>
34#include <linux/semaphore.h>
35
36#ifdef WILC_SDIO
37#include "linux_wlan_sdio.h"
38#else
39#include "linux_wlan_spi.h"
40#endif
41
42#ifdef WILC_FULLY_HOSTING_AP
43#include "wilc_host_ap.h"
44#endif
45
46#ifdef STATIC_MACADDRESS /* brandy_0724 [[ */
47#include <linux/vmalloc.h>
48#include <linux/fs.h>
49struct task_struct *wilc_mac_thread;
50unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xb2};
51#endif /* brandy_0724 ]] */
52
53#if defined(CUSTOMER_PLATFORM)
54/*
55 TODO : Write power control functions as customer platform.
56 */
57#else
58
59 #define _linux_wlan_device_power_on() {}
60 #define _linux_wlan_device_power_off() {}
61
62 #define _linux_wlan_device_detection() {}
63 #define _linux_wlan_device_removal() {}
64#endif
65
66#ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
72ed4dc7 67extern bool g_obtainingIP;
c5c77ba1 68#endif
72ed4dc7 69extern u16 Set_machw_change_vir_if(bool bValue);
c5c77ba1 70extern void resolve_disconnect_aberration(void *drvHandler);
63d03e47 71extern u8 gau8MulticastMacAddrList[WILC_MULTICAST_TABLE_SIZE][ETH_ALEN];
c5c77ba1
JK		 72void wilc1000_wlan_deinit(linux_wlan_t *nic);
73#ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
74extern WILC_TimerHandle hDuringIpTimer;
75#endif
76
77static int linux_wlan_device_power(int on_off)
78{
79 PRINT_D(INIT_DBG, "linux_wlan_device_power.. (%d)\n", on_off);
80
81 if (on_off) {
82 _linux_wlan_device_power_on();
83 } else {
84 _linux_wlan_device_power_off();
85 }
86
87 return 0;
88}
89
90static int linux_wlan_device_detection(int on_off)
91{
92 PRINT_D(INIT_DBG, "linux_wlan_device_detection.. (%d)\n", on_off);
93
94#ifdef WILC_SDIO
95 if (on_off) {
96 _linux_wlan_device_detection();
97 } else {
98 _linux_wlan_device_removal();
99 }
100#endif
101
102 return 0;
103}
104
105
106#ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
107static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr);
108
109static struct notifier_block g_dev_notifier = {
110 .notifier_call = dev_state_ev_handler
111};
112#endif
113
114#define wilc_wlan_deinit(nic) { if (&g_linux_wlan->oup != NULL) \
115 if (g_linux_wlan->oup.wlan_cleanup != NULL) \
116 g_linux_wlan->oup.wlan_cleanup(); }
117
118
119#ifndef STA_FIRMWARE
120#define STA_FIRMWARE "wifi_firmware.bin"
121#endif
122
123#ifndef AP_FIRMWARE
124#define AP_FIRMWARE "wifi_firmware_ap.bin"
125#endif
126
127#ifndef P2P_CONCURRENCY_FIRMWARE
128#define P2P_CONCURRENCY_FIRMWARE "wifi_firmware_p2p_concurrency.bin"
129#endif
130
131
132
133typedef struct android_wifi_priv_cmd {
134 char *buf;
135 int used_len;
136 int total_len;
137} android_wifi_priv_cmd;
138
139
140#define IRQ_WAIT 1
141#define IRQ_NO_WAIT 0
142/*
143 * to sync between mac_close and module exit.
144 * don't initialize or de-initialize from init/deinitlocks
145 * to be initialized from module wilc_netdev_init and
146 * deinitialized from mdoule_exit
147 */
148static struct semaphore close_exit_sync;
149unsigned int int_rcvdU;
150unsigned int int_rcvdB;
151unsigned int int_clrd;
152
153static int wlan_deinit_locks(linux_wlan_t *nic);
154static void wlan_deinitialize_threads(linux_wlan_t *nic);
155static void linux_wlan_lock(void *vp);
156void linux_wlan_unlock(void *vp);
157extern void WILC_WFI_monitor_rx(uint8_t *buff, uint32_t size);
158extern void WILC_WFI_p2p_rx(struct net_device *dev, uint8_t *buff, uint32_t size);
159
160
161static void *internal_alloc(uint32_t size, uint32_t flag);
162static void linux_wlan_tx_complete(void *priv, int status);
163void frmw_to_linux(uint8_t *buff, uint32_t size, uint32_t pkt_offset);
164static int mac_init_fn(struct net_device *ndev);
165int mac_xmit(struct sk_buff *skb, struct net_device *dev);
166int mac_open(struct net_device *ndev);
167int mac_close(struct net_device *ndev);
168static struct net_device_stats *mac_stats(struct net_device *dev);
169static int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd);
170static void wilc_set_multicast_list(struct net_device *dev);
171
172
173
174/*
175 * for now - in frmw_to_linux there should be private data to be passed to it
176 * and this data should be pointer to net device
177 */
178linux_wlan_t *g_linux_wlan;
179wilc_wlan_oup_t *gpstrWlanOps;
72ed4dc7 180bool bEnablePS = true;
c5c77ba1 181
c5c77ba1
JK		 182static const struct net_device_ops wilc_netdev_ops = {
183 .ndo_init = mac_init_fn,
184 .ndo_open = mac_open,
185 .ndo_stop = mac_close,
186 .ndo_start_xmit = mac_xmit,
187 .ndo_do_ioctl = mac_ioctl,
188 .ndo_get_stats = mac_stats,
189 .ndo_set_rx_mode = wilc_set_multicast_list,
190
191};
c5c77ba1 192
c5c77ba1
JK		 193#ifdef DEBUG_MODE
194
195extern volatile int timeNo;
196
197#define DEGUG_BUFFER_LENGTH 1000
198volatile int WatchDogdebuggerCounter;
199char DebugBuffer[DEGUG_BUFFER_LENGTH + 20] = {0};
200static char *ps8current = DebugBuffer;
201
202
203
204void printk_later(const char *format, ...)
205{
206 va_list args;
207 va_start (args, format);
208 ps8current += vsprintf (ps8current, format, args);
209 va_end (args);
210 if ((ps8current - DebugBuffer) > DEGUG_BUFFER_LENGTH) {
211 ps8current = DebugBuffer;
212 }
213
214}
215
216
217void dump_logs()
218{
219 if (DebugBuffer[0]) {
220 DebugBuffer[DEGUG_BUFFER_LENGTH] = 0;
221 PRINT_INFO(GENERIC_DBG, "early printed\n");
222 PRINT_D(GENERIC_DBG, ps8current + 1);
223 ps8current[1] = 0;
224 PRINT_INFO(GENERIC_DBG, "latest printed\n");
225 PRINT_D(GENERIC_DBG, DebugBuffer);
226 DebugBuffer[0] = 0;
227 ps8current = DebugBuffer;
228 }
229}
230
231void Reset_WatchDogdebugger()
232{
233 WatchDogdebuggerCounter = 0;
234}
235
236static int DebuggingThreadTask(void *vp)
237{
238 while (1) {
239 while (!WatchDogdebuggerCounter) {
240 PRINT_D(GENERIC_DBG, "Debug Thread Running %d\n", timeNo);
241 WatchDogdebuggerCounter = 1;
242 msleep(10000);
243 }
244 dump_logs();
245 WatchDogdebuggerCounter = 0;
246 }
247}
248
249
250#endif
251
252
253#ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
254static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr)
255{
256 struct in_ifaddr *dev_iface = (struct in_ifaddr *)ptr;
257 struct WILC_WFI_priv *priv;
258 tstrWILC_WFIDrv *pstrWFIDrv;
259 struct net_device *dev;
63d03e47 260 u8 *pIP_Add_buff;
c5c77ba1 261 perInterface_wlan_t *nic;
63d03e47 262 u8 null_ip[4] = {0};
c5c77ba1
JK		 263 char wlan_dev_name[5] = "wlan0";
264
265 if (dev_iface == NULL || dev_iface->ifa_dev == NULL || dev_iface->ifa_dev->dev == NULL) {
266 PRINT_D(GENERIC_DBG, "dev_iface = NULL\n");
267 return NOTIFY_DONE;
268 }
269
270 if ((memcmp(dev_iface->ifa_label, "wlan0", 5)) && (memcmp(dev_iface->ifa_label, "p2p0", 4))) {
271 PRINT_D(GENERIC_DBG, "Interface is neither WLAN0 nor P2P0\n");
272 return NOTIFY_DONE;
273 }
274
275 dev = (struct net_device *)dev_iface->ifa_dev->dev;
276 if (dev->ieee80211_ptr == NULL || dev->ieee80211_ptr->wiphy == NULL) {
277 PRINT_D(GENERIC_DBG, "No Wireless registerd\n");
278 return NOTIFY_DONE;
279 }
280 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
281 if (priv == NULL) {
282 PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
283 return NOTIFY_DONE;
284 }
285 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
286 nic = netdev_priv(dev);
287 if (nic == NULL || pstrWFIDrv == NULL) {
288 PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
289 return NOTIFY_DONE;
290 }
291
292 PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler +++\n"); /* tony */
293
294 switch (event) {
295 case NETDEV_UP:
296 PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_UP %p\n", dev); /* tony */
297
298 PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Obtained ===============\n\n");
299
300
301 /*If we are in station mode or client mode*/
302 if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) {
303 pstrWFIDrv->IFC_UP = 1;
72ed4dc7 304 g_obtainingIP = false;
b1413b60 305 WILC_TimerStop(&hDuringIpTimer, NULL);
c5c77ba1
JK		 306 PRINT_D(GENERIC_DBG, "IP obtained , enable scan\n");
307 }
308
309
310
5a66bf20 311 if (bEnablePS)
c5c77ba1
JK		 312 host_int_set_power_mgmt((WILC_WFIDrvHandle)pstrWFIDrv, 1, 0);
313
314 PRINT_D(GENERIC_DBG, "[%s] Up IP\n", dev_iface->ifa_label);
315
316 pIP_Add_buff = (char *) (&(dev_iface->ifa_address));
317 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 318 host_int_setup_ipaddress((WILC_WFIDrvHandle)pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
c5c77ba1
JK		 319
320 break;
321
322 case NETDEV_DOWN:
323 PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_DOWN %p\n", dev); /* tony */
324
325 PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Released ===============\n\n");
326 if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) {
327 pstrWFIDrv->IFC_UP = 0;
72ed4dc7 328 g_obtainingIP = false;
c5c77ba1
JK		 329 }
330
331 if (memcmp(dev_iface->ifa_label, wlan_dev_name, 5) == 0)
332 host_int_set_power_mgmt((WILC_WFIDrvHandle)pstrWFIDrv, 0, 0);
333
334 resolve_disconnect_aberration(pstrWFIDrv);
335
336
337 PRINT_D(GENERIC_DBG, "[%s] Down IP\n", dev_iface->ifa_label);
338
339 pIP_Add_buff = null_ip;
340 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]);
341
21175ef7 342 host_int_setup_ipaddress((WILC_WFIDrvHandle)pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
c5c77ba1
JK		 343
344 break;
345
346 default:
347 PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler event=default\n"); /* tony */
348 PRINT_INFO(GENERIC_DBG, "[%s] unknown dev event: %lu\n", dev_iface->ifa_label, event);
349
350 break;
351 }
352
353 return NOTIFY_DONE;
354
355}
356#endif
357
358/*
359 * Interrupt initialization and handling functions
360 */
361
362void linux_wlan_enable_irq(void)
363{
364
365#if (RX_BH_TYPE != RX_BH_THREADED_IRQ)
366#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
367 PRINT_D(INT_DBG, "Enabling IRQ ...\n");
368 enable_irq(g_linux_wlan->dev_irq_num);
369#endif
370#endif
371}
372
373void linux_wlan_disable_irq(int wait)
374{
375#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
376 if (wait) {
377 PRINT_D(INT_DBG, "Disabling IRQ ...\n");
378 disable_irq(g_linux_wlan->dev_irq_num);
379 } else {
380 PRINT_D(INT_DBG, "Disabling IRQ ...\n");
381 disable_irq_nosync(g_linux_wlan->dev_irq_num);
382 }
383#endif
384}
385
386#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
387static irqreturn_t isr_uh_routine(int irq, void *user_data)
388{
389
390
391 int_rcvdU++;
392#if (RX_BH_TYPE != RX_BH_THREADED_IRQ)
393 linux_wlan_disable_irq(IRQ_NO_WAIT);
394#endif
395 PRINT_D(INT_DBG, "Interrupt received UH\n");
396
397 /*While mac is closing cacncel the handling of any interrupts received*/
398 if (g_linux_wlan->close) {
399 PRINT_ER("Driver is CLOSING: Can't handle UH interrupt\n");
400 #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
401 return IRQ_HANDLED;
402 #else
403 return IRQ_NONE;
404 #endif
405
406 }
407#if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
408 schedule_work(&g_linux_wlan->rx_work_queue);
409 return IRQ_HANDLED;
410#elif (RX_BH_TYPE == RX_BH_KTHREAD)
411 linux_wlan_unlock(&g_linux_wlan->rx_sem);
412 return IRQ_HANDLED;
413#elif (RX_BH_TYPE == RX_BH_THREADED_IRQ)
414 return IRQ_WAKE_THREAD;
415#endif
416
417}
418#endif
419
420#if (RX_BH_TYPE == RX_BH_WORK_QUEUE || RX_BH_TYPE == RX_BH_THREADED_IRQ)
421
422#if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
423irqreturn_t isr_bh_routine(int irq, void *userdata)
424{
425 linux_wlan_t *nic;
426 nic = (linux_wlan_t *)userdata;
427#else
428static void isr_bh_routine(struct work_struct *work)
429{
430 perInterface_wlan_t *nic;
431 nic = (perInterface_wlan_t *)container_of(work, linux_wlan_t, rx_work_queue);
432#endif
433
434 /*While mac is closing cacncel the handling of any interrupts received*/
435 if (g_linux_wlan->close) {
436 PRINT_ER("Driver is CLOSING: Can't handle BH interrupt\n");
437 #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
438 return IRQ_HANDLED;
439 #else
440 return;
441 #endif
442
443
444
445 }
446
447 int_rcvdB++;
448 PRINT_D(INT_DBG, "Interrupt received BH\n");
449 if (g_linux_wlan->oup.wlan_handle_rx_isr != 0) {
450 g_linux_wlan->oup.wlan_handle_rx_isr();
451 } else {
452 PRINT_ER("wlan_handle_rx_isr() hasn't been initialized\n");
453 }
454
455
456#if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
457 return IRQ_HANDLED;
458#endif
459}
460#elif (RX_BH_TYPE == RX_BH_KTHREAD)
461static int isr_bh_routine(void *vp)
462{
463 linux_wlan_t *nic;
464
465 nic = (linux_wlan_t *)vp;
466
467 while (1) {
468 linux_wlan_lock(&nic->rx_sem);
469 if (g_linux_wlan->close) {
470
471 while (!kthread_should_stop())
472 schedule();
473
474 break;
475 }
476 int_rcvdB++;
477 PRINT_D(INT_DBG, "Interrupt received BH\n");
478 if (g_linux_wlan->oup.wlan_handle_rx_isr != 0) {
479 g_linux_wlan->oup.wlan_handle_rx_isr();
480 } else {
481 PRINT_ER("wlan_handle_rx_isr() hasn't been initialized\n");
482 }
483 }
484
485 return 0;
486}
487#endif
488
489
490#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
491static int init_irq(linux_wlan_t *p_nic)
492{
493 int ret = 0;
494 linux_wlan_t *nic = p_nic;
495
496 /*initialize GPIO and register IRQ num*/
497 /*GPIO request*/
498 if ((gpio_request(GPIO_NUM, "WILC_INTR") == 0) &&
499 (gpio_direction_input(GPIO_NUM) == 0)) {
500#if defined(CUSTOMER_PLATFORM)
501/*
502 TODO : save the registerd irq number to the private wilc context in kernel.
503 *
504 * ex) nic->dev_irq_num = gpio_to_irq(GPIO_NUM);
505 */
506#elif defined (NM73131_0_BOARD)
507 nic->dev_irq_num = IRQ_WILC1000;
508#elif defined (PANDA_BOARD)
509 gpio_export(GPIO_NUM, 1);
510 nic->dev_irq_num = OMAP_GPIO_IRQ(GPIO_NUM);
511 irq_set_irq_type(nic->dev_irq_num, IRQ_TYPE_LEVEL_LOW);
512#else
513 nic->dev_irq_num = gpio_to_irq(GPIO_NUM);
514#endif
515 } else {
516 ret = -1;
517 PRINT_ER("could not obtain gpio for WILC_INTR\n");
518 }
519
520
521#if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
522 if ((ret != -1) && (request_threaded_irq(nic->dev_irq_num, isr_uh_routine, isr_bh_routine,
523 IRQF_TRIGGER_LOW | IRQF_ONESHOT, /*Without IRQF_ONESHOT the uh will remain kicked in and dont gave a chance to bh*/
524 "WILC_IRQ", nic)) < 0) {
525
526#else
527 /*Request IRQ*/
528 if ((ret != -1) && (request_irq(nic->dev_irq_num, isr_uh_routine,
529 IRQF_TRIGGER_LOW, "WILC_IRQ", nic) < 0)) {
530
531#endif
532 PRINT_ER("Failed to request IRQ for GPIO: %d\n", GPIO_NUM);
533 ret = -1;
534 } else {
535
536 PRINT_D(INIT_DBG, "IRQ request succeeded IRQ-NUM= %d on GPIO: %d\n",
537 nic->dev_irq_num, GPIO_NUM);
538 }
539
540 return ret;
541}
542#endif
543
544static void deinit_irq(linux_wlan_t *nic)
545{
546#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
547 /* Deintialize IRQ */
548 if (&nic->dev_irq_num != 0) {
549 free_irq(nic->dev_irq_num, g_linux_wlan);
550
551 gpio_free(GPIO_NUM);
552 }
553#endif
554}
555
556
557/*
558 * OS functions
559 */
560static void linux_wlan_msleep(uint32_t msc)
561{
562 if (msc <= 4000000) {
4e4467fd 563 u32 u32Temp = msc * 1000;
c5c77ba1 564 usleep_range(u32Temp, u32Temp);
c5c77ba1
JK		 565 } else {
566 msleep(msc);
567 }
568}
569
570static void linux_wlan_atomic_msleep(uint32_t msc)
571{
572 mdelay(msc);
573}
574static void linux_wlan_dbg(uint8_t *buff)
575{
576 PRINT_D(INIT_DBG, "%d\n", *buff);
577}
578
579static void *linux_wlan_malloc_atomic(uint32_t sz)
580{
581 char *pntr = NULL;
30ef5c8b 582 pntr = kmalloc(sz, GFP_ATOMIC);
c5c77ba1
JK		 583 PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", sz, pntr);
584 return (void *)pntr;
585
586}
587static void *linux_wlan_malloc(uint32_t sz)
588{
589 char *pntr = NULL;
30ef5c8b 590 pntr = kmalloc(sz, GFP_KERNEL);
c5c77ba1
JK		 591 PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", sz, pntr);
592 return (void *)pntr;
593}
594
595void linux_wlan_free(void *vp)
596{
597 if (vp != NULL) {
598 PRINT_D(MEM_DBG, "Freeing %p\n", vp);
599 kfree(vp);
600 }
601}
602
603
604static void *internal_alloc(uint32_t size, uint32_t flag)
605{
606 char *pntr = NULL;
30ef5c8b 607 pntr = kmalloc(size, flag);
c5c77ba1
JK		 608 PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", size, pntr);
609 return (void *)pntr;
610}
611
612
613static void linux_wlan_init_lock(char *lockName, void *plock, int count)
614{
615 sema_init((struct semaphore *)plock, count);
616 PRINT_D(LOCK_DBG, "Initializing [%s][%p]\n", lockName, plock);
617
618}
619
620static void linux_wlan_deinit_lock(void *plock)
621{
622 /* mutex_destroy((struct mutex*)plock); */
623}
624
625static void linux_wlan_lock(void *vp)
626{
627 PRINT_D(LOCK_DBG, "Locking %p\n", vp);
628 if (vp != NULL) {
629 while (down_interruptible((struct semaphore *) vp))
630 ;
631 } else {
632 PRINT_ER("Failed, mutex is NULL\n");
633 }
634}
635
4e4467fd 636static int linux_wlan_lock_timeout(void *vp, u32 timeout)
c5c77ba1
JK		 637{
638 int error = -1;
639 PRINT_D(LOCK_DBG, "Locking %p\n", vp);
640 if (vp != NULL) {
641 error = down_timeout((struct semaphore *)vp, msecs_to_jiffies(timeout));
642 } else {
643 PRINT_ER("Failed, mutex is NULL\n");
644 }
645 return error;
646}
647
648void linux_wlan_unlock(void *vp)
649{
650 PRINT_D(LOCK_DBG, "Unlocking %p\n", vp);
651 if (vp != NULL) {
652 up((struct semaphore *)vp);
653 } else {
654 PRINT_ER("Failed, mutex is NULL\n");
655 }
656}
657
658
659static void linux_wlan_init_mutex(char *lockName, void *plock, int count)
660{
661 mutex_init((struct mutex *)plock);
662 PRINT_D(LOCK_DBG, "Initializing mutex [%s][%p]\n", lockName, plock);
663
664}
665
666static void linux_wlan_deinit_mutex(void *plock)
667{
668 mutex_destroy((struct mutex *)plock);
669}
670
671static void linux_wlan_lock_mutex(void *vp)
672{
673 PRINT_D(LOCK_DBG, "Locking mutex %p\n", vp);
674 if (vp != NULL) {
675 /*
676 * if(mutex_is_locked((struct mutex*)vp))
677 * {
678 * //PRINT_ER("Mutex already locked - %p \n",vp);
679 * }
680 */
681 mutex_lock((struct mutex *)vp);
682
683 } else {
684 PRINT_ER("Failed, mutex is NULL\n");
685 }
686}
687
688static void linux_wlan_unlock_mutex(void *vp)
689{
690 PRINT_D(LOCK_DBG, "Unlocking mutex %p\n", vp);
691 if (vp != NULL) {
692
693 if (mutex_is_locked((struct mutex *)vp)) {
694 mutex_unlock((struct mutex *)vp);
695 } else {
696 /* PRINT_ER("Mutex already unlocked - %p\n",vp); */
697 }
698
699 } else {
700 PRINT_ER("Failed, mutex is NULL\n");
701 }
702}
703
704
705/*Added by Amr - BugID_4720*/
706static void linux_wlan_init_spin_lock(char *lockName, void *plock, int count)
707{
708 spin_lock_init((spinlock_t *)plock);
709 PRINT_D(SPIN_DEBUG, "Initializing mutex [%s][%p]\n", lockName, plock);
710
711}
712
713static void linux_wlan_deinit_spin_lock(void *plock)
714{
715
716}
717static void linux_wlan_spin_lock(void *vp, unsigned long *flags)
718{
719 unsigned long lflags;
720 PRINT_D(SPIN_DEBUG, "Lock spin %p\n", vp);
721 if (vp != NULL) {
722 spin_lock_irqsave((spinlock_t *)vp, lflags);
723 *flags = lflags;
724 } else {
725 PRINT_ER("Failed, spin lock is NULL\n");
726 }
727}
728static void linux_wlan_spin_unlock(void *vp, unsigned long *flags)
729{
730 unsigned long lflags = *flags;
731 PRINT_D(SPIN_DEBUG, "Unlock spin %p\n", vp);
732 if (vp != NULL) {
733 spin_unlock_irqrestore((spinlock_t *)vp, lflags);
734 *flags = lflags;
735 } else {
736 PRINT_ER("Failed, spin lock is NULL\n");
737 }
738}
739
740static void linux_wlan_mac_indicate(int flag)
741{
742 /*I have to do it that way becuase there is no mean to encapsulate device pointer
743 * as a parameter
744 */
745 linux_wlan_t *pd = g_linux_wlan;
746 int status;
747
748 if (flag == WILC_MAC_INDICATE_STATUS) {
749 pd->oup.wlan_cfg_get_value(WID_STATUS, (unsigned char *)&status, 4);
750 if (pd->mac_status == WILC_MAC_STATUS_INIT) {
751 pd->mac_status = status;
752 linux_wlan_unlock(&pd->sync_event);
753 } else {
754 pd->mac_status = status;
755 }
756
757 if (pd->mac_status == WILC_MAC_STATUS_CONNECT) { /* Connect */
c5c77ba1
JK		 758 }
759
760 } else if (flag == WILC_MAC_INDICATE_SCAN) {
761 PRINT_D(GENERIC_DBG, "Scanning ...\n");
762
763 }
764
765}
766
767struct net_device *GetIfHandler(uint8_t *pMacHeader)
768{
769 uint8_t *Bssid, *Bssid1;
770 int i = 0;
771
772 Bssid = pMacHeader + 10;
773 Bssid1 = pMacHeader + 4;
774
775 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
776 if (!memcmp(Bssid1, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN) ||
777 !memcmp(Bssid, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN)) {
778 return g_linux_wlan->strInterfaceInfo[i].wilc_netdev;
779 }
780 }
781 PRINT_INFO(INIT_DBG, "Invalide handle\n");
782 for (i = 0; i < 25; i++) {
783 PRINT_D(INIT_DBG, "%02x ", pMacHeader[i]);
784 }
785 Bssid = pMacHeader + 18;
786 Bssid1 = pMacHeader + 12;
787 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
788 if (!memcmp(Bssid1, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN) ||
789 !memcmp(Bssid, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN)) {
790 PRINT_D(INIT_DBG, "Ctx [%p]\n", g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
791 return g_linux_wlan->strInterfaceInfo[i].wilc_netdev;
792 }
793 }
794 PRINT_INFO(INIT_DBG, "\n");
795 return NULL;
796}
797
798int linux_wlan_set_bssid(struct net_device *wilc_netdev, uint8_t *pBSSID)
799{
800 int i = 0;
801 int ret = -1;
802
803 PRINT_D(INIT_DBG, "set bssid on[%p]\n", wilc_netdev);
804 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
805 if (g_linux_wlan->strInterfaceInfo[i].wilc_netdev == wilc_netdev) {
806 PRINT_D(INIT_DBG, "set bssid [%x][%x][%x]\n", pBSSID[0], pBSSID[1], pBSSID[2]);
807 memcpy(g_linux_wlan->strInterfaceInfo[i].aBSSID, pBSSID, 6);
808 ret = 0;
809 break;
810 }
811 }
812 return ret;
813}
814
815/*BugID_5213*/
816/*Function to get number of connected interfaces*/
817int linux_wlan_get_num_conn_ifcs(void)
818{
819 uint8_t i = 0;
820 uint8_t null_bssid[6] = {0};
821 uint8_t ret_val = 0;
822
823 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
824 if (memcmp(g_linux_wlan->strInterfaceInfo[i].aBSSID, null_bssid, 6)) {
825 ret_val++;
826 }
827 }
828 return ret_val;
829}
830
831static int linux_wlan_rxq_task(void *vp)
832{
833
834 /* inform wilc1000_wlan_init that RXQ task is started. */
835 linux_wlan_unlock(&g_linux_wlan->rxq_thread_started);
836 while (1) {
837 linux_wlan_lock(&g_linux_wlan->rxq_event);
838 /* wait_for_completion(&g_linux_wlan->rxq_event); */
839
840 if (g_linux_wlan->close) {
841 /*Unlock the mutex in the mac_close function to indicate the exiting of the RX thread */
842 linux_wlan_unlock(&g_linux_wlan->rxq_thread_started);
843
844 while (!kthread_should_stop())
845 schedule();
846
847 PRINT_D(RX_DBG, " RX thread stopped\n");
848 break;
849 }
850 PRINT_D(RX_DBG, "Calling wlan_handle_rx_que()\n");
851
852 g_linux_wlan->oup.wlan_handle_rx_que();
853 }
854 return 0;
855}
856
857#define USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
858
859static int linux_wlan_txq_task(void *vp)
860{
861 int ret, txq_count;
862
863#if defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
864#define TX_BACKOFF_WEIGHT_INCR_STEP (1)
865#define TX_BACKOFF_WEIGHT_DECR_STEP (1)
866#define TX_BACKOFF_WEIGHT_MAX (7)
867#define TX_BACKOFF_WEIGHT_MIN (0)
868#define TX_BACKOFF_WEIGHT_UNIT_MS (10)
869 int backoff_weight = TX_BACKOFF_WEIGHT_MIN;
c5c77ba1
JK		 870#endif
871
872 /* inform wilc1000_wlan_init that TXQ task is started. */
873 linux_wlan_unlock(&g_linux_wlan->txq_thread_started);
874 while (1) {
875
876 PRINT_D(TX_DBG, "txq_task Taking a nap :)\n");
877 linux_wlan_lock(&g_linux_wlan->txq_event);
878 /* wait_for_completion(&pd->txq_event); */
879 PRINT_D(TX_DBG, "txq_task Who waked me up :$\n");
880
881 if (g_linux_wlan->close) {
882 /*Unlock the mutex in the mac_close function to indicate the exiting of the TX thread */
883 linux_wlan_unlock(&g_linux_wlan->txq_thread_started);
884
885 while (!kthread_should_stop())
886 schedule();
887
888 PRINT_D(TX_DBG, "TX thread stopped\n");
889 break;
890 }
891 PRINT_D(TX_DBG, "txq_task handle the sending packet and let me go to sleep.\n");
892#if !defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
893 g_linux_wlan->oup.wlan_handle_tx_que();
894#else
895 do {
896 ret = g_linux_wlan->oup.wlan_handle_tx_que(&txq_count);
897 if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD /* && netif_queue_stopped(pd->wilc_netdev)*/) {
898 PRINT_D(TX_DBG, "Waking up queue\n");
899 /* netif_wake_queue(pd->wilc_netdev); */
900 if (netif_queue_stopped(g_linux_wlan->strInterfaceInfo[0].wilc_netdev))
901 netif_wake_queue(g_linux_wlan->strInterfaceInfo[0].wilc_netdev);
902 if (netif_queue_stopped(g_linux_wlan->strInterfaceInfo[1].wilc_netdev))
903 netif_wake_queue(g_linux_wlan->strInterfaceInfo[1].wilc_netdev);
904 }
905
906 if (ret == WILC_TX_ERR_NO_BUF) { /* failed to allocate buffers in chip. */
c5c77ba1
JK		 907 do {
908 /* Back off from sending packets for some time. */
909 /* schedule_timeout will allow RX task to run and free buffers.*/
910 /* set_current_state(TASK_UNINTERRUPTIBLE); */
911 /* timeout = schedule_timeout(timeout); */
912 msleep(TX_BACKOFF_WEIGHT_UNIT_MS << backoff_weight);
913 } while (/*timeout*/ 0);
914 backoff_weight += TX_BACKOFF_WEIGHT_INCR_STEP;
915 if (backoff_weight > TX_BACKOFF_WEIGHT_MAX) {
916 backoff_weight = TX_BACKOFF_WEIGHT_MAX;
917 }
918 } else {
919 if (backoff_weight > TX_BACKOFF_WEIGHT_MIN) {
920 backoff_weight -= TX_BACKOFF_WEIGHT_DECR_STEP;
921 if (backoff_weight < TX_BACKOFF_WEIGHT_MIN) {
922 backoff_weight = TX_BACKOFF_WEIGHT_MIN;
923 }
924 }
925 }
926 /*TODO: drop packets after a certain time/number of retry count. */
927 } while (ret == WILC_TX_ERR_NO_BUF && !g_linux_wlan->close); /* retry sending packets if no more buffers in chip. */
928#endif
929 }
930 return 0;
931}
932
933static void linux_wlan_rx_complete(void)
934{
935 PRINT_D(RX_DBG, "RX completed\n");
936}
937
938int linux_wlan_get_firmware(perInterface_wlan_t *p_nic)
939{
940
941 perInterface_wlan_t *nic = p_nic;
942 int ret = 0;
943 const struct firmware *wilc_firmware;
944 char *firmware;
945
946
947 if (nic->iftype == AP_MODE)
948 firmware = AP_FIRMWARE;
949 else if (nic->iftype == STATION_MODE)
950 firmware = STA_FIRMWARE;
951
952 /*BugID_5137*/
953 else {
954 PRINT_D(INIT_DBG, "Get P2P_CONCURRENCY_FIRMWARE\n");
955 firmware = P2P_CONCURRENCY_FIRMWARE;
956 }
957
958
959
960 if (nic == NULL) {
961 PRINT_ER("NIC is NULL\n");
962 goto _fail_;
963 }
964
965 if (&nic->wilc_netdev->dev == NULL) {
966 PRINT_ER("&nic->wilc_netdev->dev is NULL\n");
967 goto _fail_;
968 }
969
970
971 /* the firmare should be located in /lib/firmware in
972 * root file system with the name specified above */
973
974#ifdef WILC_SDIO
975 if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_sdio_func->dev) != 0) {
976 PRINT_ER("%s - firmare not available\n", firmware);
977 ret = -1;
978 goto _fail_;
979 }
980#else
981 if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_spidev->dev) != 0) {
982 PRINT_ER("%s - firmare not available\n", firmware);
983 ret = -1;
984 goto _fail_;
985 }
986#endif
987 g_linux_wlan->wilc_firmware = wilc_firmware; /* Bug 4703 */
988
989_fail_:
990
991 return ret;
992
993}
994
995#ifdef COMPLEMENT_BOOT
996int repeat_power_cycle(perInterface_wlan_t *nic);
997#endif
998
999static int linux_wlan_start_firmware(perInterface_wlan_t *nic)
1000{
1001
c5c77ba1
JK		 1002 int ret = 0;
1003 /* start firmware */
1004 PRINT_D(INIT_DBG, "Starting Firmware ...\n");
1005 ret = g_linux_wlan->oup.wlan_start();
1006 if (ret < 0) {
1007 PRINT_ER("Failed to start Firmware\n");
1008 goto _fail_;
1009 }
1010
1011 /* wait for mac ready */
1012 PRINT_D(INIT_DBG, "Waiting for Firmware to get ready ...\n");
1013 ret = linux_wlan_lock_timeout(&g_linux_wlan->sync_event, 5000);
1014 if (ret) {
1015#ifdef COMPLEMENT_BOOT
7a8fd841 1016 static int timeout = 5;
c5c77ba1
JK		 1017
1018 if (timeout--) {
1019 PRINT_D(INIT_DBG, "repeat power cycle[%d]", timeout);
1020 ret = repeat_power_cycle(nic);
1021 } else {
1022 timeout = 5;
1023 ret = -1;
1024 goto _fail_;
1025 }
1026#endif
1027 PRINT_D(INIT_DBG, "Firmware start timed out");
1028 goto _fail_;
1029 }
1030 /*
1031 * TODO: Driver shouoldn't wait forever for firmware to get started -
1032 * in case of timeout this should be handled properly
1033 */
1034 PRINT_D(INIT_DBG, "Firmware successfully started\n");
1035
1036_fail_:
1037 return ret;
1038}
1039static int linux_wlan_firmware_download(linux_wlan_t *p_nic)
1040{
1041
1042 int ret = 0;
1043
1044 if (g_linux_wlan->wilc_firmware == NULL) {
1045 PRINT_ER("Firmware buffer is NULL\n");
1046 ret = -ENOBUFS;
1047 goto _FAIL_;
1048 }
1049 /**
1050 * do the firmware download
1051 **/
1052 PRINT_D(INIT_DBG, "Downloading Firmware ...\n");
1053 ret = g_linux_wlan->oup.wlan_firmware_download(g_linux_wlan->wilc_firmware->data, g_linux_wlan->wilc_firmware->size);
1054 if (ret < 0) {
1055 goto _FAIL_;
1056 }
1057
1058 /* Freeing FW buffer */
1059 PRINT_D(INIT_DBG, "Freeing FW buffer ...\n");
1060 PRINT_D(INIT_DBG, "Releasing firmware\n");
1061 release_firmware(g_linux_wlan->wilc_firmware);
1062 g_linux_wlan->wilc_firmware = NULL;
1063
1064 PRINT_D(INIT_DBG, "Download Succeeded \n");
1065
1066_FAIL_:
1067 return ret;
1068}
1069
1070
1071/* startup configuration - could be changed later using iconfig*/
1072static int linux_wlan_init_test_config(struct net_device *dev, linux_wlan_t *p_nic)
1073{
1074
1075 unsigned char c_val[64];
1076 #ifndef STATIC_MACADDRESS
1077 unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xff};
1078 #endif
c5c77ba1
JK		 1079
1080 /*BugID_5077*/
1081 struct WILC_WFI_priv *priv;
1082 tstrWILC_WFIDrv *pstrWFIDrv;
1083
1084 PRINT_D(TX_DBG, "Start configuring Firmware\n");
1085 #ifndef STATIC_MACADDRESS
1086 get_random_bytes(&mac_add[5], 1);
1087 get_random_bytes(&mac_add[4], 1);
1088 #endif
1089 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
1090 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
8a14330f 1091 PRINT_D(INIT_DBG, "Host = %p\n", pstrWFIDrv);
c5c77ba1
JK		 1092
1093 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 1094 wilc_get_chipid(0);
c5c77ba1
JK		 1095
1096
1097 if (g_linux_wlan->oup.wlan_cfg_set == NULL) {
1098 PRINT_D(INIT_DBG, "Null p[ointer\n");
1099 goto _fail_;
1100 }
1101
4e4467fd 1102 *(int *)c_val = (u32)pstrWFIDrv;
c5c77ba1
JK		 1103
1104 if (!g_linux_wlan->oup.wlan_cfg_set(1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0))
1105 goto _fail_;
1106
1107 /*to tell fw that we are going to use PC test - WILC specific*/
1108 c_val[0] = 0;
1109 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_PC_TEST_MODE, c_val, 1, 0, 0))
1110 goto _fail_;
1111
1112 c_val[0] = INFRASTRUCTURE;
1113 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BSS_TYPE, c_val, 1, 0, 0))
1114 goto _fail_;
1115
1116
1117 /* c_val[0] = RATE_AUTO; / * bug 4275: Enable autorate and limit it to 24Mbps * / */
1118 c_val[0] = RATE_AUTO;
1119 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0))
1120 goto _fail_;
1121
1122 c_val[0] = G_MIXED_11B_2_MODE;
1123 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11G_OPERATING_MODE, c_val, 1, 0, 0))
1124 goto _fail_;
1125
1126 c_val[0] = 1;
1127 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0))
1128 goto _fail_;
1129
1130 c_val[0] = G_SHORT_PREAMBLE;
1131 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_PREAMBLE, c_val, 1, 0, 0))
1132 goto _fail_;
1133
1134 c_val[0] = AUTO_PROT;
1135 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_PROT_MECH, c_val, 1, 0, 0))
1136 goto _fail_;
1137
1138#ifdef SWITCH_LOG_TERMINAL
1139 c_val[0] = AUTO_PROT;
1140 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_LOGTerminal_Switch, c_val, 1, 0, 0))
1141 goto _fail_;
1142#endif
1143
1144 c_val[0] = ACTIVE_SCAN;
1145 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SCAN_TYPE, c_val, 1, 0, 0))
1146 goto _fail_;
1147
1148 c_val[0] = SITE_SURVEY_OFF;
1149 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SITE_SURVEY, c_val, 1, 0, 0))
1150 goto _fail_;
1151
1152 *((int *)c_val) = 0xffff; /* Never use RTS-CTS */
1153 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_RTS_THRESHOLD, c_val, 2, 0, 0))
1154 goto _fail_;
1155
1156 *((int *)c_val) = 2346;
1157 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_FRAG_THRESHOLD, c_val, 2, 0, 0))
1158 goto _fail_;
1159
1160 /* SSID */
1161 /* -------------------------------------------------------------- */
1162 /* Configuration : String with length less than 32 bytes */
1163 /* Values to set : Any string with length less than 32 bytes */
1164 /* ( In BSS Station Set SSID to "" (null string) */
1165 /* to enable Broadcast SSID suppport ) */
1166 /* -------------------------------------------------------------- */
1167#ifndef USE_WIRELESS
1168 strcpy(c_val, "nwifi");
1169 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SSID, c_val, (strlen(c_val) + 1), 0, 0))
1170 goto _fail_;
1171#endif
1172
1173 c_val[0] = 0;
1174 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BCAST_SSID, c_val, 1, 0, 0))
1175 goto _fail_;
1176
1177 c_val[0] = 1;
1178 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_QOS_ENABLE, c_val, 1, 0, 0))
1179 goto _fail_;
1180
1181 c_val[0] = NO_POWERSAVE;
1182 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0))
1183 goto _fail_;
1184
1185 c_val[0] = NO_ENCRYPT; /* NO_ENCRYPT, 0x79 */
1186 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11I_MODE, c_val, 1, 0, 0))
1187 goto _fail_;
1188
1189 c_val[0] = OPEN_SYSTEM;
1190 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_AUTH_TYPE, c_val, 1, 0, 0))
1191 goto _fail_;
1192
1193 /* WEP/802 11I Configuration */
1194 /* ------------------------------------------------------------------ */
1195 /* Configuration : WEP Key */
1196 /* Values (0x) : 5 byte for WEP40 and 13 bytes for WEP104 */
1197 /* In case more than 5 bytes are passed on for WEP 40 */
1198 /* only first 5 bytes will be used as the key */
1199 /* ------------------------------------------------------------------ */
1200
1201 strcpy(c_val, "123456790abcdef1234567890");
1202 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_WEP_KEY_VALUE, c_val, (strlen(c_val) + 1), 0, 0))
1203 goto _fail_;
1204
1205 /* WEP/802 11I Configuration */
1206 /* ------------------------------------------------------------------ */
1207 /* Configuration : AES/TKIP WPA/RSNA Pre-Shared Key */
1208 /* Values to set : Any string with length greater than equal to 8 bytes */
1209 /* and less than 64 bytes */
1210 /* ------------------------------------------------------------------ */
1211 strcpy(c_val, "12345678");
1212 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11I_PSK, c_val, (strlen(c_val)), 0, 0))
1213 goto _fail_;
1214
1215 /* IEEE802.1X Key Configuration */
1216 /* ------------------------------------------------------------------ */
1217 /* Configuration : Radius Server Access Secret Key */
1218 /* Values to set : Any string with length greater than equal to 8 bytes */
1219 /* and less than 65 bytes */
1220 /* ------------------------------------------------------------------ */
1221 strcpy(c_val, "password");
1222 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_1X_KEY, c_val, (strlen(c_val) + 1), 0, 0))
1223 goto _fail_;
1224
1225 /* IEEE802.1X Server Address Configuration */
1226 /* ------------------------------------------------------------------ */
1227 /* Configuration : Radius Server IP Address */
1228 /* Values to set : Any valid IP Address */
1229 /* ------------------------------------------------------------------ */
1230 c_val[0] = 192;
1231 c_val[1] = 168;
1232 c_val[2] = 1;
1233 c_val[3] = 112;
1234 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_1X_SERV_ADDR, c_val, 4, 0, 0))
1235 goto _fail_;
1236
1237 c_val[0] = 3;
1238 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0))
1239 goto _fail_;
1240
1241 c_val[0] = 3;
1242 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_DTIM_PERIOD, c_val, 1, 0, 0))
1243 goto _fail_;
1244
1245 c_val[0] = NORMAL_ACK;
1246 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_ACK_POLICY, c_val, 1, 0, 0))
1247 goto _fail_;
1248
1249 c_val[0] = 0;
1250 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1, 0, 0))
1251 goto _fail_;
1252
1253 c_val[0] = 48;
1254 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0, 0))
1255 goto _fail_;
1256
1257 c_val[0] = 28;
1258 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_TX_POWER_LEVEL_11B, c_val, 1, 0, 0))
1259 goto _fail_;
1260
1261 /* Beacon Interval */
1262 /* -------------------------------------------------------------------- */
1263 /* Configuration : Sets the beacon interval value */
1264 /* Values to set : Any 16-bit value */
1265 /* -------------------------------------------------------------------- */
1266
1267 *((int *)c_val) = 100;
1268 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BEACON_INTERVAL, c_val, 2, 0, 0))
1269 goto _fail_;
1270
1271 c_val[0] = REKEY_DISABLE;
1272 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_POLICY, c_val, 1, 0, 0))
1273 goto _fail_;
1274
1275 /* Rekey Time (s) (Used only when the Rekey policy is 2 or 4) */
1276 /* -------------------------------------------------------------------- */
1277 /* Configuration : Sets the Rekey Time (s) */
1278 /* Values to set : 32-bit value */
1279 /* -------------------------------------------------------------------- */
1280 *((int *)c_val) = 84600;
1281 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_PERIOD, c_val, 4, 0, 0))
1282 goto _fail_;
1283
1284 /* Rekey Packet Count (in 1000s; used when Rekey Policy is 3) */
1285 /* -------------------------------------------------------------------- */
1286 /* Configuration : Sets Rekey Group Packet count */
1287 /* Values to set : 32-bit Value */
1288 /* -------------------------------------------------------------------- */
1289 *((int *)c_val) = 500;
1290 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_PACKET_COUNT, c_val, 4, 0, 0))
1291 goto _fail_;
1292
1293 c_val[0] = 1;
1294 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0, 0))
1295 goto _fail_;
1296
1297 c_val[0] = G_SELF_CTS_PROT;
1298 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0))
1299 goto _fail_;
1300
1301 c_val[0] = 1; /* Enable N */
1302 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_ENABLE, c_val, 1, 0, 0))
1303 goto _fail_;
1304
1305 c_val[0] = HT_MIXED_MODE;
1306 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_OPERATING_MODE, c_val, 1, 0, 0))
1307 goto _fail_;
1308
1309 c_val[0] = 1; /* TXOP Prot disable in N mode: No RTS-CTS on TX A-MPDUs to save air-time. */
1310 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0, 0))
1311 goto _fail_;
1312
1313 memcpy(c_val, mac_add, 6);
1314
1315 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_MAC_ADDR, c_val, 6, 0, 0))
1316 goto _fail_;
1317
1318 /**
1319 * AP only
1320 **/
1321 c_val[0] = DETECT_PROTECT_REPORT;
1322 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_OBSS_NONHT_DETECTION, c_val, 1, 0, 0))
1323 goto _fail_;
1324
1325 c_val[0] = RTS_CTS_NONHT_PROT;
1326 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0))
1327 goto _fail_;
1328
1329 c_val[0] = 0;
1330 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0, 0))
1331 goto _fail_;
1332
1333 c_val[0] = MIMO_MODE;
1334 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_SMPS_MODE, c_val, 1, 0, 0))
1335 goto _fail_;
1336
1337 c_val[0] = 7;
1338 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_CURRENT_TX_MCS, c_val, 1, 0, 0))
1339 goto _fail_;
1340
1341 c_val[0] = 1; /* Enable N with immediate block ack. */
4e4467fd 1342 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1, 1, (u32)pstrWFIDrv))
c5c77ba1
JK		 1343 goto _fail_;
1344
1345 return 0;
1346
1347_fail_:
1348 return -1;
1349}
1350
1351
1352/**************************/
1353void wilc1000_wlan_deinit(linux_wlan_t *nic)
1354{
1355
1356 if (g_linux_wlan->wilc1000_initialized) {
1357
1358 printk("Deinitializing wilc1000 ...\n");
1359
1360 if (nic == NULL) {
1361 PRINT_ER("nic is NULL\n");
1362 return;
1363 }
1364
1365#if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1366 /* johnny : remove */
1367 PRINT_D(INIT_DBG, "skip wilc_bus_set_default_speed\n");
1368#else
1369 wilc_bus_set_default_speed();
1370#endif
1371
1372 PRINT_D(INIT_DBG, "Disabling IRQ\n");
1373 #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1374 linux_wlan_disable_irq(IRQ_WAIT);
1375 #else
1376 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1377
1378 #else
1379 linux_wlan_lock_mutex((void *)&g_linux_wlan->hif_cs);
1380 disable_sdio_interrupt();
1381 linux_wlan_unlock_mutex((void *)&g_linux_wlan->hif_cs);
1382 #endif
1383 #endif
1384
1385
1386 /* not sure if the following unlocks are needed or not*/
1387 if (&g_linux_wlan->rxq_event != NULL) {
1388 linux_wlan_unlock(&g_linux_wlan->rxq_event);
1389 }
1390
1391 if (&g_linux_wlan->txq_event != NULL) {
1392 linux_wlan_unlock(&g_linux_wlan->txq_event);
1393 }
1394
1395
1396 #if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
1397 /*Removing the work struct from the linux kernel workqueue*/
1398 if (&g_linux_wlan->rx_work_queue != NULL)
1399 flush_work(&g_linux_wlan->rx_work_queue);
1400
1401 #elif (RX_BH_TYPE == RX_BH_KTHREAD)
1402 /* if(&nic->rx_sem != NULL) */
1403 /* linux_wlan_unlock(&nic->rx_sem); */
1404 #endif
1405
1406 PRINT_D(INIT_DBG, "Deinitializing Threads\n");
1407 wlan_deinitialize_threads(nic);
1408
1409 PRINT_D(INIT_DBG, "Deinitializing IRQ\n");
1410 deinit_irq(g_linux_wlan);
1411
1412
1413 if (&g_linux_wlan->oup != NULL) {
1414 if (g_linux_wlan->oup.wlan_stop != NULL)
1415 g_linux_wlan->oup.wlan_stop();
1416 }
1417
1418 PRINT_D(INIT_DBG, "Deinitializing WILC Wlan\n");
1419 wilc_wlan_deinit(nic);
1420#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1421 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1422 PRINT_D(INIT_DBG, "Disabling IRQ 2\n");
1423
1424 linux_wlan_lock_mutex((void *)&g_linux_wlan->hif_cs);
1425 disable_sdio_interrupt();
1426 linux_wlan_unlock_mutex((void *)&g_linux_wlan->hif_cs);
1427 #endif
1428#endif
1429
1430 /*De-Initialize locks*/
1431 PRINT_D(INIT_DBG, "Deinitializing Locks\n");
1432 wlan_deinit_locks(g_linux_wlan);
1433
1434 /* announce that wilc1000 is not initialized */
1435 g_linux_wlan->wilc1000_initialized = 0;
1436
1437 PRINT_D(INIT_DBG, "wilc1000 deinitialization Done\n");
1438
1439 } else {
1440 PRINT_D(INIT_DBG, "wilc1000 is not initialized\n");
1441 }
1442 return;
1443}
1444
1445int wlan_init_locks(linux_wlan_t *p_nic)
1446{
1447
1448 PRINT_D(INIT_DBG, "Initializing Locks ...\n");
1449
1450 /*initialize mutexes*/
1451 linux_wlan_init_mutex("hif_lock/hif_cs", &g_linux_wlan->hif_cs, 1);
1452 linux_wlan_init_mutex("rxq_lock/rxq_cs", &g_linux_wlan->rxq_cs, 1);
1453 linux_wlan_init_mutex("txq_lock/txq_cs", &g_linux_wlan->txq_cs, 1);
1454
1455 /*Added by Amr - BugID_4720*/
1456 linux_wlan_init_spin_lock("txq_spin_lock/txq_cs", &g_linux_wlan->txq_spinlock, 1);
1457
1458 /*Added by Amr - BugID_4720*/
1459 linux_wlan_init_lock("txq_add_to_head_lock/txq_cs", &g_linux_wlan->txq_add_to_head_cs, 1);
1460
1461 linux_wlan_init_lock("txq_wait/txq_event", &g_linux_wlan->txq_event, 0);
1462 linux_wlan_init_lock("rxq_wait/rxq_event", &g_linux_wlan->rxq_event, 0);
1463
1464 linux_wlan_init_lock("cfg_wait/cfg_event", &g_linux_wlan->cfg_event, 0);
1465 linux_wlan_init_lock("sync_event", &g_linux_wlan->sync_event, 0);
1466
1467 linux_wlan_init_lock("rxq_lock/rxq_started", &g_linux_wlan->rxq_thread_started, 0);
1468 linux_wlan_init_lock("rxq_lock/txq_started", &g_linux_wlan->txq_thread_started, 0);
1469
1470 #if (RX_BH_TYPE == RX_BH_KTHREAD)
1471 linux_wlan_init_lock("BH_SEM", &g_linux_wlan->rx_sem, 0);
1472 #endif
1473
1474 return 0;
1475}
1476
1477static int wlan_deinit_locks(linux_wlan_t *nic)
1478{
1479 PRINT_D(INIT_DBG, "De-Initializing Locks\n");
1480
1481 if (&g_linux_wlan->hif_cs != NULL)
1482 linux_wlan_deinit_mutex(&g_linux_wlan->hif_cs);
1483
1484 if (&g_linux_wlan->rxq_cs != NULL)
1485 linux_wlan_deinit_mutex(&g_linux_wlan->rxq_cs);
1486
1487 if (&g_linux_wlan->txq_cs != NULL)
1488 linux_wlan_deinit_mutex(&g_linux_wlan->txq_cs);
1489
1490 /*Added by Amr - BugID_4720*/
1491 if (&g_linux_wlan->txq_spinlock != NULL)
1492 linux_wlan_deinit_spin_lock(&g_linux_wlan->txq_spinlock);
1493
1494 if (&g_linux_wlan->rxq_event != NULL)
1495 linux_wlan_deinit_lock(&g_linux_wlan->rxq_event);
1496
1497 if (&g_linux_wlan->txq_event != NULL)
1498 linux_wlan_deinit_lock(&g_linux_wlan->txq_event);
1499
1500 /*Added by Amr - BugID_4720*/
1501 if (&g_linux_wlan->txq_add_to_head_cs != NULL)
1502 linux_wlan_deinit_lock(&g_linux_wlan->txq_add_to_head_cs);
1503
1504 if (&g_linux_wlan->rxq_thread_started != NULL)
1505 linux_wlan_deinit_lock(&g_linux_wlan->rxq_thread_started);
1506
1507 if (&g_linux_wlan->txq_thread_started != NULL)
1508 linux_wlan_deinit_lock(&g_linux_wlan->txq_thread_started);
1509
1510 if (&g_linux_wlan->cfg_event != NULL)
1511 linux_wlan_deinit_lock(&g_linux_wlan->cfg_event);
1512
1513 if (&g_linux_wlan->sync_event != NULL)
1514 linux_wlan_deinit_lock(&g_linux_wlan->sync_event);
1515
1516 return 0;
1517}
1518void linux_to_wlan(wilc_wlan_inp_t *nwi, linux_wlan_t *nic)
1519{
1520
1521 PRINT_D(INIT_DBG, "Linux to Wlan services ...\n");
1522
1523 nwi->os_context.hif_critical_section = (void *)&g_linux_wlan->hif_cs;
1524 nwi->os_context.os_private = (void *)nic;
1525 nwi->os_context.tx_buffer_size = LINUX_TX_SIZE;
1526 nwi->os_context.txq_critical_section = (void *)&g_linux_wlan->txq_cs;
1527
1528 /*Added by Amr - BugID_4720*/
1529 nwi->os_context.txq_add_to_head_critical_section = (void *)&g_linux_wlan->txq_add_to_head_cs;
1530
1531 /*Added by Amr - BugID_4720*/
1532 nwi->os_context.txq_spin_lock = (void *)&g_linux_wlan->txq_spinlock;
1533
1534 nwi->os_context.txq_wait_event = (void *)&g_linux_wlan->txq_event;
1535
1536#if defined (MEMORY_STATIC)
1537 nwi->os_context.rx_buffer_size = LINUX_RX_SIZE;
1538#endif
1539 nwi->os_context.rxq_critical_section = (void *)&g_linux_wlan->rxq_cs;
1540 nwi->os_context.rxq_wait_event = (void *)&g_linux_wlan->rxq_event;
1541 nwi->os_context.cfg_wait_event = (void *)&g_linux_wlan->cfg_event;
1542
1543 nwi->os_func.os_sleep = linux_wlan_msleep;
1544 nwi->os_func.os_atomic_sleep = linux_wlan_atomic_msleep;
1545 nwi->os_func.os_debug = linux_wlan_dbg;
1546 nwi->os_func.os_malloc = linux_wlan_malloc;
1547 nwi->os_func.os_malloc_atomic = linux_wlan_malloc_atomic;
1548 nwi->os_func.os_free = linux_wlan_free;
1549 nwi->os_func.os_lock = linux_wlan_lock;
1550 nwi->os_func.os_unlock = linux_wlan_unlock;
1551 nwi->os_func.os_wait = linux_wlan_lock_timeout;
1552 nwi->os_func.os_signal = linux_wlan_unlock;
1553 nwi->os_func.os_enter_cs = linux_wlan_lock_mutex;
1554 nwi->os_func.os_leave_cs = linux_wlan_unlock_mutex;
1555
1556 /*Added by Amr - BugID_4720*/
1557 nwi->os_func.os_spin_lock = linux_wlan_spin_lock;
1558 nwi->os_func.os_spin_unlock = linux_wlan_spin_unlock;
1559
1560#ifdef WILC_SDIO
1561 nwi->io_func.io_type = HIF_SDIO;
1562 nwi->io_func.io_init = linux_sdio_init;
1563 nwi->io_func.io_deinit = linux_sdio_deinit;
1564 nwi->io_func.u.sdio.sdio_cmd52 = linux_sdio_cmd52;
1565 nwi->io_func.u.sdio.sdio_cmd53 = linux_sdio_cmd53;
1566 nwi->io_func.u.sdio.sdio_set_max_speed = linux_sdio_set_max_speed;
1567 nwi->io_func.u.sdio.sdio_set_default_speed = linux_sdio_set_default_speed;
1568#else
1569 nwi->io_func.io_type = HIF_SPI;
1570 nwi->io_func.io_init = linux_spi_init;
1571 nwi->io_func.io_deinit = linux_spi_deinit;
1572 nwi->io_func.u.spi.spi_tx = linux_spi_write;
1573 nwi->io_func.u.spi.spi_rx = linux_spi_read;
1574 nwi->io_func.u.spi.spi_trx = linux_spi_write_read;
1575 nwi->io_func.u.spi.spi_max_speed = linux_spi_set_max_speed;
1576#endif
1577
1578 /*for now - to be revised*/
1579 #ifdef WILC_FULLY_HOSTING_AP
1580 /* incase of Fully hosted AP, all non cfg pkts are processed here*/
1581 nwi->net_func.rx_indicate = WILC_Process_rx_frame;
1582 #else
1583 nwi->net_func.rx_indicate = frmw_to_linux;
1584 #endif
1585 nwi->net_func.rx_complete = linux_wlan_rx_complete;
1586 nwi->indicate_func.mac_indicate = linux_wlan_mac_indicate;
1587}
1588
1589int wlan_initialize_threads(perInterface_wlan_t *nic)
1590{
1591
1592 int ret = 0;
1593 PRINT_D(INIT_DBG, "Initializing Threads ...\n");
1594
1595#if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
1596 /*Initialize rx work queue task*/
1597 INIT_WORK(&g_linux_wlan->rx_work_queue, isr_bh_routine);
1598#elif (RX_BH_TYPE == RX_BH_KTHREAD)
1599 PRINT_D(INIT_DBG, "Creating kthread for Rxq BH\n");
1600 g_linux_wlan->rx_bh_thread = kthread_run(isr_bh_routine, (void *)g_linux_wlan, "K_RXQ_BH");
1601 if (g_linux_wlan->rx_bh_thread == 0) {
1602 PRINT_ER("couldn't create RX BH thread\n");
1603 ret = -ENOBUFS;
1604 goto _fail_;
1605 }
1606#endif
1607
1608#ifndef TCP_ENHANCEMENTS
1609 /* create rx task */
1610 PRINT_D(INIT_DBG, "Creating kthread for reception\n");
1611 g_linux_wlan->rxq_thread = kthread_run(linux_wlan_rxq_task, (void *)g_linux_wlan, "K_RXQ_TASK");
1612 if (g_linux_wlan->rxq_thread == 0) {
1613 PRINT_ER("couldn't create RXQ thread\n");
1614 ret = -ENOBUFS;
1615 goto _fail_1;
1616 }
1617
1618 /* wait for RXQ task to start. */
1619 linux_wlan_lock(&g_linux_wlan->rxq_thread_started);
1620
1621#endif
1622
1623 /* create tx task */
1624 PRINT_D(INIT_DBG, "Creating kthread for transmission\n");
1625 g_linux_wlan->txq_thread = kthread_run(linux_wlan_txq_task, (void *)g_linux_wlan, "K_TXQ_TASK");
1626 if (g_linux_wlan->txq_thread == 0) {
1627 PRINT_ER("couldn't create TXQ thread\n");
1628 ret = -ENOBUFS;
1629 goto _fail_2;
1630 }
1631#ifdef DEBUG_MODE
1632 PRINT_D(INIT_DBG, "Creating kthread for Debugging\n");
1633 g_linux_wlan->txq_thread = kthread_run(DebuggingThreadTask, (void *)g_linux_wlan, "DebugThread");
1634 if (g_linux_wlan->txq_thread == 0) {
1635 PRINT_ER("couldn't create TXQ thread\n");
1636 ret = -ENOBUFS;
1637 goto _fail_2;
1638 }
1639#endif
1640 /* wait for TXQ task to start. */
1641 linux_wlan_lock(&g_linux_wlan->txq_thread_started);
1642
1643 return 0;
1644
1645_fail_2:
1646 /*De-Initialize 2nd thread*/
1647 g_linux_wlan->close = 1;
1648 linux_wlan_unlock(&g_linux_wlan->rxq_event);
1649 kthread_stop(g_linux_wlan->rxq_thread);
1650
7a8fd841 1651#ifndef TCP_ENHANCEMENTS
c5c77ba1 1652_fail_1:
7a8fd841 1653#endif
c5c77ba1
JK		 1654 #if (RX_BH_TYPE == RX_BH_KTHREAD)
1655 /*De-Initialize 1st thread*/
1656 g_linux_wlan->close = 1;
1657 linux_wlan_unlock(&g_linux_wlan->rx_sem);
1658 kthread_stop(g_linux_wlan->rx_bh_thread);
1659_fail_:
1660 #endif
1661 g_linux_wlan->close = 0;
1662 return ret;
1663}
1664
1665static void wlan_deinitialize_threads(linux_wlan_t *nic)
1666{
1667
1668 g_linux_wlan->close = 1;
1669 PRINT_D(INIT_DBG, "Deinitializing Threads\n");
1670 if (&g_linux_wlan->rxq_event != NULL)
1671 linux_wlan_unlock(&g_linux_wlan->rxq_event);
1672
1673
1674 if (g_linux_wlan->rxq_thread != NULL) {
1675 kthread_stop(g_linux_wlan->rxq_thread);
1676 g_linux_wlan->rxq_thread = NULL;
1677 }
1678
1679
1680 if (&g_linux_wlan->txq_event != NULL)
1681 linux_wlan_unlock(&g_linux_wlan->txq_event);
1682
1683
1684 if (g_linux_wlan->txq_thread != NULL) {
1685 kthread_stop(g_linux_wlan->txq_thread);
1686 g_linux_wlan->txq_thread = NULL;
1687 }
1688
1689 #if (RX_BH_TYPE == RX_BH_KTHREAD)
1690 if (&g_linux_wlan->rx_sem != NULL)
1691 linux_wlan_unlock(&g_linux_wlan->rx_sem);
1692
1693 if (g_linux_wlan->rx_bh_thread != NULL) {
1694 kthread_stop(g_linux_wlan->rx_bh_thread);
1695 g_linux_wlan->rx_bh_thread = NULL;
1696 }
1697 #endif
1698}
1699
1700#ifdef STATIC_MACADDRESS
1701const char *path_string[] = {
1702 "/etc/wlan",
1703 "/data/wlan",
1704};
1705
1706static int linux_wlan_read_mac_addr(void *vp)
1707{
1708 int ret = 0;
1709 struct file *fp = (struct file *)-ENOENT;
1710 mm_segment_t old_fs;
1711 loff_t pos = 0;
1712 int index;
0feae200 1713 int array_size = ARRAY_SIZE(path_string);
c5c77ba1
JK		 1714
1715 /* change to KERNEL_DS address limit */
1716 old_fs = get_fs();
1717 set_fs(KERNEL_DS);
1718
1719 for (index = 0; index < array_size; index++) {
1720 fp = filp_open(path_string[index], O_WRONLY, 0640);
1721 if (!fp) {
1722 ret = -1;
1723 goto exit;
1724 }
1725
1726 /*No such file or directory */
1727 if (IS_ERR(fp) || !fp->f_op) {
1728 get_random_bytes(&mac_add[3], 3);
1729 /* open file to write */
1730 fp = filp_open(path_string[index], O_WRONLY | O_CREAT, 0640);
1731
1732 if (!fp || IS_ERR(fp)) {
1733 ret = -1;
1734 continue;
1735 } else {
1736 /* write buf to file */
1737 fp->f_op->write(fp, mac_add, 6, &pos);
1738 break;
1739 }
1740 } else {
1741 /* read file to buf */
1742 fp->f_op->read(fp, mac_add, 6, &pos);
1743 break;
1744 }
1745 }
1746
1747 if (index == array_size) {
1748 PRINT_ER("random MAC\n");
1749 }
1750
1751exit:
1752 if (fp && !IS_ERR(fp)) {
1753 filp_close(fp, NULL);
1754 }
1755
1756 set_fs(old_fs);
1757
1758 return ret;
1759}
1760#endif
1761
1762#ifdef COMPLEMENT_BOOT
1763
1764extern volatile int probe;
1765extern uint8_t core_11b_ready(void);
1766
1767#define READY_CHECK_THRESHOLD 30
1768extern void wilc_wlan_global_reset(void);
1769uint8_t wilc1000_prepare_11b_core(wilc_wlan_inp_t *nwi, wilc_wlan_oup_t *nwo, linux_wlan_t *nic)
1770{
1771 uint8_t trials = 0;
1772 while ((core_11b_ready() && (READY_CHECK_THRESHOLD > (trials++)))) {
1773 PRINT_D(INIT_DBG, "11b core not ready yet: %u\n", trials);
1774 wilc_wlan_deinit(nic);
1775 wilc_wlan_global_reset();
1776 sdio_unregister_driver(&wilc_bus);
1777
1778 linux_wlan_device_detection(0);
1779
1780 mdelay(100);
1781
1782 linux_wlan_device_detection(1);
1783
1784 sdio_register_driver(&wilc_bus);
1785
1786 while (!probe) {
1787 msleep(100);
1788 }
1789 probe = 0;
1790 g_linux_wlan->wilc_sdio_func = local_sdio_func;
1791 linux_to_wlan(nwi, nic);
1792 wilc_wlan_init(nwi, nwo);
1793 }
1794
1795 if (READY_CHECK_THRESHOLD <= trials)
1796 return 1;
1797 else
1798 return 0;
1799
1800}
1801
1802int repeat_power_cycle(perInterface_wlan_t *nic)
1803{
1804 int ret = 0;
1805 wilc_wlan_inp_t nwi;
1806 wilc_wlan_oup_t nwo;
1807 sdio_unregister_driver(&wilc_bus);
1808
1809 linux_wlan_device_detection(0);
1810 linux_wlan_device_power(0);
1811 msleep(100);
1812 linux_wlan_device_power(1);
1813 msleep(80);
1814 linux_wlan_device_detection(1);
1815 msleep(20);
1816
1817 sdio_register_driver(&wilc_bus);
1818
1819 /* msleep(1000); */
1820 while (!probe) {
1821 msleep(100);
1822 }
1823 probe = 0;
1824 g_linux_wlan->wilc_sdio_func = local_sdio_func;
1825 linux_to_wlan(&nwi, g_linux_wlan);
1826 ret = wilc_wlan_init(&nwi, &nwo);
1827
1828 g_linux_wlan->mac_status = WILC_MAC_STATUS_INIT;
1829 #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1830 enable_sdio_interrupt();
1831 #endif
1832
1833 if (linux_wlan_get_firmware(nic)) {
1834 PRINT_ER("Can't get firmware \n");
1835 ret = -1;
1836 goto __fail__;
1837 }
1838
1839 /*Download firmware*/
1840 ret = linux_wlan_firmware_download(g_linux_wlan);
1841 if (ret < 0) {
1842 PRINT_ER("Failed to download firmware\n");
1843 goto __fail__;
1844 }
1845 /* Start firmware*/
1846 ret = linux_wlan_start_firmware(nic);
1847 if (ret < 0) {
1848 PRINT_ER("Failed to start firmware\n");
1849 }
1850__fail__:
1851 return ret;
1852}
1853#endif
1854
1855int wilc1000_wlan_init(struct net_device *dev, perInterface_wlan_t *p_nic)
1856{
1857 wilc_wlan_inp_t nwi;
1858 wilc_wlan_oup_t nwo;
1859 perInterface_wlan_t *nic = p_nic;
1860 int ret = 0;
1861
1862 if (!g_linux_wlan->wilc1000_initialized) {
1863 g_linux_wlan->mac_status = WILC_MAC_STATUS_INIT;
1864 g_linux_wlan->close = 0;
1865 g_linux_wlan->wilc1000_initialized = 0;
1866
1867 wlan_init_locks(g_linux_wlan);
1868
1869#ifdef STATIC_MACADDRESS
1870 wilc_mac_thread = kthread_run(linux_wlan_read_mac_addr, NULL, "wilc_mac_thread");
1871 if (wilc_mac_thread < 0) {
1872 PRINT_ER("couldn't create Mac addr thread\n");
1873 }
1874#endif
1875
1876 linux_to_wlan(&nwi, g_linux_wlan);
1877
1878 ret = wilc_wlan_init(&nwi, &nwo);
1879 if (ret < 0) {
1880 PRINT_ER("Initializing WILC_Wlan FAILED\n");
1881 ret = -EIO;
1882 goto _fail_locks_;
1883 }
1884 memcpy(&g_linux_wlan->oup, &nwo, sizeof(wilc_wlan_oup_t));
1885
1886 /*Save the oup structre into global pointer*/
1887 gpstrWlanOps = &g_linux_wlan->oup;
1888
1889
1890 ret = wlan_initialize_threads(nic);
1891 if (ret < 0) {
1892 PRINT_ER("Initializing Threads FAILED\n");
1893 ret = -EIO;
1894 goto _fail_wilc_wlan_;
1895 }
1896
1897#if (defined WILC_SDIO) && (defined COMPLEMENT_BOOT)
1898 if (wilc1000_prepare_11b_core(&nwi, &nwo, g_linux_wlan)) {
1899 PRINT_ER("11b Core is not ready\n");
1900 ret = -EIO;
1901 goto _fail_threads_;
1902 }
1903#endif
1904
1905#if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1906 if (init_irq(g_linux_wlan)) {
1907 PRINT_ER("couldn't initialize IRQ\n");
1908 ret = -EIO;
1909 goto _fail_threads_;
1910 }
1911#endif
1912
1913#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1914 if (enable_sdio_interrupt()) {
1915 PRINT_ER("couldn't initialize IRQ\n");
1916 ret = -EIO;
1917 goto _fail_irq_init_;
1918 }
1919#endif
1920
1921 if (linux_wlan_get_firmware(nic)) {
1922 PRINT_ER("Can't get firmware \n");
1923 ret = -EIO;
1924 goto _fail_irq_enable_;
1925 }
1926
1927
1928 /*Download firmware*/
1929 ret = linux_wlan_firmware_download(g_linux_wlan);
1930 if (ret < 0) {
1931 PRINT_ER("Failed to download firmware\n");
1932 ret = -EIO;
1933 goto _fail_irq_enable_;
1934 }
1935
1936 /* Start firmware*/
1937 ret = linux_wlan_start_firmware(nic);
1938 if (ret < 0) {
1939 PRINT_ER("Failed to start firmware\n");
1940 ret = -EIO;
1941 goto _fail_irq_enable_;
1942 }
1943
1944 wilc_bus_set_max_speed();
1945
1946 if (g_linux_wlan->oup.wlan_cfg_get(1, WID_FIRMWARE_VERSION, 1, 0)) {
1947 int size;
1948 char Firmware_ver[20];
1949 size = g_linux_wlan->oup.wlan_cfg_get_value(
1950 WID_FIRMWARE_VERSION,
1951 Firmware_ver, sizeof(Firmware_ver));
1952 Firmware_ver[size] = '\0';
1953 PRINT_D(INIT_DBG, "***** Firmware Ver = %s *******\n", Firmware_ver);
1954 }
1955 /* Initialize firmware with default configuration */
1956 ret = linux_wlan_init_test_config(dev, g_linux_wlan);
1957
1958 if (ret < 0) {
1959 PRINT_ER("Failed to configure firmware\n");
1960 ret = -EIO;
1961 goto _fail_fw_start_;
1962 }
1963
1964 g_linux_wlan->wilc1000_initialized = 1;
1965 return 0; /*success*/
1966
1967
1968_fail_fw_start_:
1969 if (&g_linux_wlan->oup != NULL) {
1970 if (g_linux_wlan->oup.wlan_stop != NULL)
1971 g_linux_wlan->oup.wlan_stop();
1972 }
1973
1974_fail_irq_enable_:
1975#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1976 disable_sdio_interrupt();
c5c77ba1 1977_fail_irq_init_:
7a8fd841 1978#endif
c5c77ba1
JK		 1979#if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1980 deinit_irq(g_linux_wlan);
1981
1982#endif
1983_fail_threads_:
1984 wlan_deinitialize_threads(g_linux_wlan);
1985_fail_wilc_wlan_:
1986 wilc_wlan_deinit(g_linux_wlan);
1987_fail_locks_:
1988 wlan_deinit_locks(g_linux_wlan);
1989 PRINT_ER("WLAN Iinitialization FAILED\n");
1990 } else {
1991 PRINT_D(INIT_DBG, "wilc1000 already initialized\n");
1992 }
1993 return ret;
1994}
1995
1996
1997/*
1998 * - this function will be called automatically by OS when module inserted.
1999 */
2000
2001#if !defined (NM73131_0_BOARD)
2002int mac_init_fn(struct net_device *ndev)
2003{
2004
2005 /*Why we do this !!!*/
2006 netif_start_queue(ndev); /* ma */
2007 netif_stop_queue(ndev); /* ma */
2008
2009 return 0;
2010}
2011#else
2012int mac_init_fn(struct net_device *ndev)
2013{
2014
2015 unsigned char mac_add[] = {0x00, 0x50, 0xc2, 0x5e, 0x10, 0x00};
2016 /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/
2017 memcpy(ndev->dev_addr, mac_add, 6);
2018
2019 if (!is_valid_ether_addr(ndev->dev_addr)) {
2020 PRINT_ER("Error: Wrong MAC address\n");
2021 return -EINVAL;
2022 }
2023
2024 return 0;
2025}
2026#endif
2027
2028
2029void WILC_WFI_frame_register(struct wiphy *wiphy, struct net_device *dev,
2030 u16 frame_type, bool reg);
2031
2032/* This fn is called, when this device is setup using ifconfig */
2033#if !defined (NM73131_0_BOARD)
2034int mac_open(struct net_device *ndev)
2035{
2036 perInterface_wlan_t *nic;
2037
2038 /*BugID_5213*/
2039 /*No need for setting mac address here anymore,*/
2040 /*Just set it in init_test_config()*/
2041 unsigned char mac_add[ETH_ALEN] = {0};
c5c77ba1
JK		 2042 int ret = 0;
2043 int i = 0;
2044 struct WILC_WFI_priv *priv;
2045
2046 nic = netdev_priv(ndev);
2047 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2048 PRINT_D(INIT_DBG, "MAC OPEN[%p]\n", ndev);
2049
2050 #ifdef USE_WIRELESS
2051 ret = WILC_WFI_InitHostInt(ndev);
2052 if (ret < 0) {
2053 PRINT_ER("Failed to initialize host interface\n");
2054
2055 return ret;
2056 }
2057 #endif
2058
2059 /*initialize platform*/
2060 PRINT_D(INIT_DBG, "*** re-init ***\n");
2061 ret = wilc1000_wlan_init(ndev, nic);
2062 if (ret < 0) {
2063 PRINT_ER("Failed to initialize wilc1000\n");
2064 WILC_WFI_DeInitHostInt(ndev);
2065 return ret;
2066 }
2067
72ed4dc7 2068 Set_machw_change_vir_if(false);
c5c77ba1 2069
21175ef7 2070 host_int_get_MacAddress(priv->hWILCWFIDrv, mac_add);
c5c77ba1
JK		 2071 PRINT_D(INIT_DBG, "Mac address: %x:%x:%x:%x:%x:%x\n", mac_add[0], mac_add[1], mac_add[2],
2072 mac_add[3], mac_add[4], mac_add[5]);
2073
2074 /* loop through the NUM of supported devices and set the MAC address */
2075 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
2076 if (ndev == g_linux_wlan->strInterfaceInfo[i].wilc_netdev) {
2077 memcpy(g_linux_wlan->strInterfaceInfo[i].aSrcAddress, mac_add, ETH_ALEN);
4e4467fd 2078 g_linux_wlan->strInterfaceInfo[i].drvHandler = (u32)priv->hWILCWFIDrv;
c5c77ba1
JK		 2079 break;
2080 }
2081 }
2082
2083 /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/
2084 memcpy(ndev->dev_addr, g_linux_wlan->strInterfaceInfo[i].aSrcAddress, ETH_ALEN);
2085
2086 if (!is_valid_ether_addr(ndev->dev_addr)) {
2087 PRINT_ER("Error: Wrong MAC address\n");
2088 ret = -EINVAL;
2089 goto _err_;
2090 }
2091
2092
2093 WILC_WFI_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev,
2094 nic->g_struct_frame_reg[0].frame_type, nic->g_struct_frame_reg[0].reg);
2095 WILC_WFI_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev,
2096 nic->g_struct_frame_reg[1].frame_type, nic->g_struct_frame_reg[1].reg);
2097 netif_wake_queue(ndev);
2098 g_linux_wlan->open_ifcs++;
2099 nic->mac_opened = 1;
2100 return 0;
2101
2102_err_:
2103 WILC_WFI_DeInitHostInt(ndev);
2104 wilc1000_wlan_deinit(g_linux_wlan);
2105 return ret;
2106}
2107#else
2108int mac_open(struct net_device *ndev)
2109{
2110
2111 linux_wlan_t *nic;
2112 nic = netdev_priv(ndev);
2113
2114 /*initialize platform*/
2115 if (wilc1000_wlan_init(nic)) {
2116 PRINT_ER("Failed to initialize platform\n");
2117 return 1;
2118 }
2119 /* Start the network interface queue for this device */
2120 PRINT_D(INIT_DBG, "Starting netifQ\n");
2121 netif_start_queue(ndev);
2122/* linux_wlan_lock(&close_exit_sync); */
2123 return 0;
2124}
2125#endif
2126
2127struct net_device_stats *mac_stats(struct net_device *dev)
2128{
2129 perInterface_wlan_t *nic = netdev_priv(dev);
2130
2131
2132 return &nic->netstats;
2133}
2134
2135/* Setup the multicast filter */
c5c77ba1
JK		 2136static void wilc_set_multicast_list(struct net_device *dev)
2137{
2138
2139 struct netdev_hw_addr *ha;
2140 struct WILC_WFI_priv *priv;
2141 tstrWILC_WFIDrv *pstrWFIDrv;
2142 int i = 0;
2143 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
2144 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
2145
2146
2147 if (!dev)
2148 return;
2149
2150 PRINT_D(INIT_DBG, "Setting Multicast List with count = %d. \n", dev->mc.count);
2151
2152 if (dev->flags & IFF_PROMISC) {
2153 /* Normally, we should configure the chip to retrive all packets
2154 * but we don't wanna support this right now */
2155 /* TODO: add promiscuous mode support */
2156 PRINT_D(INIT_DBG, "Set promiscuous mode ON, retrive all packets \n");
2157 return;
2158 }
2159
2160 /* If there's more addresses than we handle, get all multicast
2161 * packets and sort them out in software. */
2162 if ((dev->flags & IFF_ALLMULTI) || (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) {
2163 PRINT_D(INIT_DBG, "Disable multicast filter, retrive all multicast packets\n");
2164 /* get all multicast packets */
72ed4dc7 2165 host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, false, 0);
c5c77ba1
JK		 2166 return;
2167 }
2168
2169 /* No multicast? Just get our own stuff */
2170 if ((dev->mc.count) == 0) {
2171 PRINT_D(INIT_DBG, "Enable multicast filter, retrive directed packets only.\n");
72ed4dc7 2172 host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, true, 0);
c5c77ba1
JK		 2173 return;
2174 }
2175
2176 /* Store all of the multicast addresses in the hardware filter */
2177 netdev_for_each_mc_addr(ha, dev)
2178 {
2179 WILC_memcpy(gau8MulticastMacAddrList[i], ha->addr, ETH_ALEN);
2180 PRINT_D(INIT_DBG, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i,
2181 gau8MulticastMacAddrList[i][0], gau8MulticastMacAddrList[i][1], gau8MulticastMacAddrList[i][2], gau8MulticastMacAddrList[i][3], gau8MulticastMacAddrList[i][4], gau8MulticastMacAddrList[i][5]);
2182 i++;
2183 }
2184
72ed4dc7 2185 host_int_setup_multicast_filter((WILC_WFIDrvHandle)pstrWFIDrv, true, (dev->mc.count));
c5c77ba1
JK		 2186
2187 return;
2188
2189}
2190
c5c77ba1
JK		 2191static void linux_wlan_tx_complete(void *priv, int status)
2192{
2193
2194 struct tx_complete_data *pv_data = (struct tx_complete_data *)priv;
2195 if (status == 1) {
2196 PRINT_D(TX_DBG, "Packet sent successfully - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
2197 } else {
2198 PRINT_D(TX_DBG, "Couldn't send packet - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
2199 }
2200 /* Free the SK Buffer, its work is done */
2201 dev_kfree_skb(pv_data->skb);
2202 linux_wlan_free(pv_data);
2203}
2204
2205int mac_xmit(struct sk_buff *skb, struct net_device *ndev)
2206{
2207 perInterface_wlan_t *nic;
2208 struct tx_complete_data *tx_data = NULL;
2209 int QueueCount;
2210 char *pu8UdpBuffer;
2211 struct iphdr *ih;
2212 struct ethhdr *eth_h;
2213 nic = netdev_priv(ndev);
2214
2215 PRINT_D(INT_DBG, "\n========\n IntUH: %d - IntBH: %d - IntCld: %d \n========\n", int_rcvdU, int_rcvdB, int_clrd);
2216 PRINT_D(TX_DBG, "Sending packet just received from TCP/IP\n");
2217
2218 /* Stop the network interface queue */
2219 if (skb->dev != ndev) {
2220 PRINT_ER("Packet not destined to this device\n");
2221 return 0;
2222 }
2223
2224 tx_data = (struct tx_complete_data *)internal_alloc(sizeof(struct tx_complete_data), GFP_ATOMIC);
2225 if (tx_data == NULL) {
2226 PRINT_ER("Failed to allocate memory for tx_data structure\n");
2227 dev_kfree_skb(skb);
2228 netif_wake_queue(ndev);
2229 return 0;
2230 }
2231
2232 tx_data->buff = skb->data;
2233 tx_data->size = skb->len;
2234 tx_data->skb = skb;
2235
2236 eth_h = (struct ethhdr *)(skb->data);
2237 if (eth_h->h_proto == 0x8e88) {
2238 PRINT_D(INIT_DBG, "EAPOL transmitted\n");
2239 }
2240
2241 /*get source and dest ip addresses*/
2242 ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
2243
2244 pu8UdpBuffer = (char *)ih + sizeof(struct iphdr);
2245 if ((pu8UdpBuffer[1] == 68 && pu8UdpBuffer[3] == 67) || (pu8UdpBuffer[1] == 67 && pu8UdpBuffer[3] == 68)) {
2246 PRINT_D(GENERIC_DBG, "DHCP Message transmitted, type:%x %x %x\n", pu8UdpBuffer[248], pu8UdpBuffer[249], pu8UdpBuffer[250]);
2247
2248 }
2249 PRINT_D(TX_DBG, "Sending packet - Size = %d - Address = %p - SKB = %p\n", tx_data->size, tx_data->buff, tx_data->skb);
2250
2251 /* Send packet to MAC HW - for now the tx_complete function will be just status
2252 * indicator. still not sure if I need to suspend host transmission till the tx_complete
2253 * function called or not?
2254 * allocated buffer will be freed in tx_complete function.
2255 */
2256 PRINT_D(TX_DBG, "Adding tx packet to TX Queue\n");
2257 nic->netstats.tx_packets++;
2258 nic->netstats.tx_bytes += tx_data->size;
2259 tx_data->pBssid = g_linux_wlan->strInterfaceInfo[nic->u8IfIdx].aBSSID;
2260 #ifndef WILC_FULLY_HOSTING_AP
2261 QueueCount = g_linux_wlan->oup.wlan_add_to_tx_que((void *)tx_data,
2262 tx_data->buff,
2263 tx_data->size,
2264 linux_wlan_tx_complete);
2265 #else
2266 QueueCount = WILC_Xmit_data((void *)tx_data, HOST_TO_WLAN);
2267 #endif /* WILC_FULLY_HOSTING_AP */
2268
2269
2270 if (QueueCount > FLOW_CONTROL_UPPER_THRESHOLD) {
2271 netif_stop_queue(g_linux_wlan->strInterfaceInfo[0].wilc_netdev);
2272 netif_stop_queue(g_linux_wlan->strInterfaceInfo[1].wilc_netdev);
2273 }
2274
2275 return 0;
2276}
2277
2278
2279int mac_close(struct net_device *ndev)
2280{
2281 struct WILC_WFI_priv *priv;
2282 perInterface_wlan_t *nic;
2283 tstrWILC_WFIDrv *pstrWFIDrv;
2284
2285 nic = netdev_priv(ndev);
2286
2287 if ((nic == NULL) || (nic->wilc_netdev == NULL) || (nic->wilc_netdev->ieee80211_ptr == NULL) || (nic->wilc_netdev->ieee80211_ptr->wiphy == NULL)) {
2288 PRINT_ER("nic = NULL\n");
2289 return 0;
2290 }
2291
2292 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2293
2294 if (priv == NULL) {
2295 PRINT_ER("priv = NULL\n");
2296 return 0;
2297 }
2298
2299 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
2300
2301
2302
2303 PRINT_D(GENERIC_DBG, "Mac close\n");
2304
2305 if (g_linux_wlan == NULL) {
2306 PRINT_ER("g_linux_wlan = NULL\n");
2307 return 0;
2308 }
2309
2310 if (pstrWFIDrv == NULL) {
2311 PRINT_ER("pstrWFIDrv = NULL\n");
2312 return 0;
2313 }
2314
2315 if ((g_linux_wlan->open_ifcs) > 0) {
2316 g_linux_wlan->open_ifcs--;
2317 } else {
2318 PRINT_ER("ERROR: MAC close called while number of opened interfaces is zero\n");
2319 return 0;
2320 }
2321
2322 if (nic->wilc_netdev != NULL) {
2323 /* Stop the network interface queue */
2324 netif_stop_queue(nic->wilc_netdev);
2325
2326 #ifdef USE_WIRELESS
2327 WILC_WFI_DeInitHostInt(nic->wilc_netdev);
2328 #endif
2329 }
2330
2331 if (g_linux_wlan->open_ifcs == 0) {
2332 PRINT_D(GENERIC_DBG, "Deinitializing wilc1000\n");
2333 g_linux_wlan->close = 1;
2334 wilc1000_wlan_deinit(g_linux_wlan);
2335 #ifdef USE_WIRELESS
2336 #ifdef WILC_AP_EXTERNAL_MLME
2337 WILC_WFI_deinit_mon_interface();
2338 #endif
2339 #endif
2340 }
2341
2342 linux_wlan_unlock(&close_exit_sync);
2343 nic->mac_opened = 0;
2344
2345 return 0;
2346}
2347
2348
2349int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
2350{
2351
63d03e47 2352 u8 *buff = NULL;
ca356ada 2353 s8 rssi;
4e4467fd 2354 u32 size = 0, length = 0;
c5c77ba1
JK		 2355 perInterface_wlan_t *nic;
2356 struct WILC_WFI_priv *priv;
fb4ec9ca 2357 s32 s32Error = WILC_SUCCESS;
c5c77ba1
JK		 2358
2359
2360
2361 /* struct iwreq *wrq = (struct iwreq *) req; // tony moved to case SIOCSIWPRIV */
2362 #ifdef USE_WIRELESS
2363 nic = netdev_priv(ndev);
2364
2365 if (!g_linux_wlan->wilc1000_initialized)
2366 return 0;
2367
2368 #endif
2369
2370 switch (cmd) {
c5c77ba1
JK		 2371
2372 /* ]] 2013-06-24 */
2373 case SIOCSIWPRIV:
2374 {
2375 struct iwreq *wrq = (struct iwreq *) req; /* added by tony */
2376
2377 size = wrq->u.data.length;
2378
2379 if (size && wrq->u.data.pointer) {
c5c77ba1 2380
4a01f1c3
HPGE		 2381 buff = memdup_user(wrq->u.data.pointer, wrq->u.data.length);
2382 if (IS_ERR(buff)) {
2383 s32Error = PTR_ERR(buff);
c5c77ba1
JK		 2384 goto done;
2385 }
2386
2387 if (strncasecmp(buff, "RSSI", length) == 0) {
2388
2389 #ifdef USE_WIRELESS
2390 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2391 s32Error = host_int_get_rssi(priv->hWILCWFIDrv, &(rssi));
2392 if (s32Error)
2393 PRINT_ER("Failed to send get rssi param's message queue ");
2394 #endif
2395 PRINT_INFO(GENERIC_DBG, "RSSI :%d\n", rssi);
2396
2397 /*Rounding up the rssi negative value*/
2398 rssi += 5;
2399
2400 snprintf(buff, size, "rssi %d", rssi);
2401
2402 if (copy_to_user(wrq->u.data.pointer, buff, size)) {
60cb1e20 2403 PRINT_ER("%s: failed to copy data to user buffer\n", __func__);
c5c77ba1
JK		 2404 s32Error = -EFAULT;
2405 goto done;
2406 }
2407 }
2408 }
2409 }
2410 break;
2411
2412 default:
2413 {
2414 PRINT_INFO(GENERIC_DBG, "Command - %d - has been received\n", cmd);
2415 s32Error = -EOPNOTSUPP;
2416 goto done;
2417 }
2418 }
2419
2420done:
2421
2422 if (buff != NULL) {
2423 kfree(buff);
2424 }
2425
2426 return s32Error;
2427}
2428
2429void frmw_to_linux(uint8_t *buff, uint32_t size, uint32_t pkt_offset)
2430{
2431
2432 unsigned int frame_len = 0;
2433 int stats;
2434 unsigned char *buff_to_send = NULL;
2435 struct sk_buff *skb;
7a8fd841 2436#ifndef TCP_ENHANCEMENTS
c5c77ba1
JK		 2437 char *pu8UdpBuffer;
2438 struct iphdr *ih;
7a8fd841 2439#endif
c5c77ba1
JK		 2440 struct net_device *wilc_netdev;
2441 perInterface_wlan_t *nic;
2442
2443 wilc_netdev = GetIfHandler(buff);
2444 if (wilc_netdev == NULL)
2445 return;
2446
2447 buff += pkt_offset;
2448 nic = netdev_priv(wilc_netdev);
2449
2450 if (size > 0) {
2451
2452 frame_len = size;
2453 buff_to_send = buff;
2454
2455
2456 /* Need to send the packet up to the host, allocate a skb buffer */
2457 skb = dev_alloc_skb(frame_len);
2458 if (skb == NULL) {
2459 PRINT_ER("Low memory - packet droped\n");
2460 return;
2461 }
2462
2463 skb_reserve(skb, (unsigned int)skb->data & 0x3);
2464
2465 if (g_linux_wlan == NULL || wilc_netdev == NULL) {
2466 PRINT_ER("wilc_netdev in g_linux_wlan is NULL");
2467 }
2468 skb->dev = wilc_netdev;
2469
2470 if (skb->dev == NULL) {
2471 PRINT_ER("skb->dev is NULL\n");
2472 }
2473
2474 /*
2475 * for(i=0;i<40;i++)
2476 * {
2477 * if(i<frame_len)
2478 * WILC_PRINTF("buff_to_send[%d]=%2x\n",i,buff_to_send[i]);
2479 *
2480 * }*/
2481
2482 /* skb_put(skb, frame_len); */
2483 memcpy(skb_put(skb, frame_len), buff_to_send, frame_len);
2484
2485 /* WILC_PRINTF("After MEM_CPY\n"); */
2486
2487 /* nic = netdev_priv(wilc_netdev); */
2488
2489#ifdef USE_WIRELESS
2490 /* if(nic->monitor_flag)
2491 * {
2492 * WILC_WFI_monitor_rx(nic->wilc_netdev,skb);
2493 * return;
2494 * }*/
2495#endif
2496 skb->protocol = eth_type_trans(skb, wilc_netdev);
2497 #ifndef TCP_ENHANCEMENTS
2498 /*get source and dest ip addresses*/
2499 ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
2500
2501 pu8UdpBuffer = (char *)ih + sizeof(struct iphdr);
2502 if (buff_to_send[35] == 67 && buff_to_send[37] == 68) {
2503 PRINT_D(RX_DBG, "DHCP Message received\n");
2504 }
2505 if (buff_to_send[12] == 0x88 && buff_to_send[13] == 0x8e)
2506 PRINT_D(GENERIC_DBG, "eapol received\n");
2507 #endif
2508 /* Send the packet to the stack by giving it to the bridge */
2509 nic->netstats.rx_packets++;
2510 nic->netstats.rx_bytes += frame_len;
2511 skb->ip_summed = CHECKSUM_UNNECESSARY;
2512 stats = netif_rx(skb);
2513 PRINT_D(RX_DBG, "netif_rx ret value is: %d\n", stats);
2514 }
2515 #ifndef TCP_ENHANCEMENTS
2516 else {
2517 PRINT_ER("Discard sending packet with len = %d\n", size);
2518 }
2519 #endif
2520}
2521
2522void WILC_WFI_mgmt_rx(uint8_t *buff, uint32_t size)
2523{
2524 int i = 0;
2525 perInterface_wlan_t *nic;
2526
2527 /*BugID_5450*/
2528 /*Pass the frame on the monitor interface, if any.*/
2529 /*Otherwise, pass it on p2p0 netdev, if registered on it*/
2530 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
2531 nic = netdev_priv(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2532 if (nic->monitor_flag) {
2533 WILC_WFI_monitor_rx(buff, size);
2534 return;
2535 }
2536 }
2537
2538 #ifdef WILC_P2P
2539 nic = netdev_priv(g_linux_wlan->strInterfaceInfo[1].wilc_netdev); /* p2p0 */
2540 if ((buff[0] == nic->g_struct_frame_reg[0].frame_type && nic->g_struct_frame_reg[0].reg) ||
2541 (buff[0] == nic->g_struct_frame_reg[1].frame_type && nic->g_struct_frame_reg[1].reg)) {
2542 WILC_WFI_p2p_rx(g_linux_wlan->strInterfaceInfo[1].wilc_netdev, buff, size);
2543 }
2544 #endif
2545}
2546
2547int wilc_netdev_init(void)
2548{
2549
2550 int i;
2551 perInterface_wlan_t *nic;
2552 struct net_device *ndev;
2553
2554 linux_wlan_init_lock("close_exit_sync", &close_exit_sync, 0);
2555
2556 /*create the common structure*/
2557 g_linux_wlan = (linux_wlan_t *)WILC_MALLOC(sizeof(linux_wlan_t));
2558 memset(g_linux_wlan, 0, sizeof(linux_wlan_t));
2559
2560 /*Reset interrupt count debug*/
2561 int_rcvdU = 0;
2562 int_rcvdB = 0;
2563 int_clrd = 0;
2564 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
2565 register_inetaddr_notifier(&g_dev_notifier);
2566 #endif
2567
2568 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2569 /*allocate first ethernet device with perinterface_wlan_t as its private data*/
2570 ndev = alloc_etherdev(sizeof(perInterface_wlan_t));
2571 if (!ndev) {
2572 PRINT_ER("Failed to allocate ethernet dev\n");
2573 return -1;
2574 }
2575
2576 nic = netdev_priv(ndev);
2577 memset(nic, 0, sizeof(perInterface_wlan_t));
2578
2579 /*Name the Devices*/
2580 if (i == 0) {
2581 #if defined(NM73131) /* tony, 2012-09-20 */
2582 strcpy(ndev->name, "wilc_eth%d");
2583 #elif defined(PLAT_CLM9722) /* rachel */
2584 strcpy(ndev->name, "eth%d");
2585 #else /* PANDA_BOARD, PLAT_ALLWINNER_A10, PLAT_ALLWINNER_A20, PLAT_ALLWINNER_A31, PLAT_AML8726_M3 or PLAT_WMS8304 */
2586 strcpy(ndev->name, "wlan%d");
2587 #endif
2588 } else
2589 strcpy(ndev->name, "p2p%d");
2590
2591 nic->u8IfIdx = g_linux_wlan->u8NoIfcs;
2592 nic->wilc_netdev = ndev;
2593 g_linux_wlan->strInterfaceInfo[g_linux_wlan->u8NoIfcs].wilc_netdev = ndev;
2594 g_linux_wlan->u8NoIfcs++;
e5af0561 2595 ndev->netdev_ops = &wilc_netdev_ops;
c5c77ba1
JK		 2596
2597 #ifdef USE_WIRELESS
2598 {
2599 struct wireless_dev *wdev;
2600 /*Register WiFi*/
2601 wdev = WILC_WFI_WiphyRegister(ndev);
2602
2603 #ifdef WILC_SDIO
2604 /* set netdev, tony */
2605 SET_NETDEV_DEV(ndev, &local_sdio_func->dev);
2606 #endif
2607
2608 if (wdev == NULL) {
2609 PRINT_ER("Can't register WILC Wiphy\n");
2610 return -1;
2611 }
2612
2613 /*linking the wireless_dev structure with the netdevice*/
2614 nic->wilc_netdev->ieee80211_ptr = wdev;
2615 nic->wilc_netdev->ml_priv = nic;
2616 wdev->netdev = nic->wilc_netdev;
2617 nic->netstats.rx_packets = 0;
2618 nic->netstats.tx_packets = 0;
2619 nic->netstats.rx_bytes = 0;
2620 nic->netstats.tx_bytes = 0;
2621
2622 }
2623 #endif
2624
2625
2626 if (register_netdev(ndev)) {
2627 PRINT_ER("Device couldn't be registered - %s\n", ndev->name);
2628 return -1; /* ERROR */
2629 }
2630
2631 nic->iftype = STATION_MODE;
2632 nic->mac_opened = 0;
2633
2634 }
2635
2636 #ifndef WILC_SDIO
2637 if (!linux_spi_init(&g_linux_wlan->wilc_spidev)) {
2638 PRINT_ER("Can't initialize SPI \n");
2639 return -1; /* ERROR */
2640 }
2641 g_linux_wlan->wilc_spidev = wilc_spi_dev;
2642 #else
2643 g_linux_wlan->wilc_sdio_func = local_sdio_func;
2644 #endif
2645
2646 return 0;
2647}
2648
2649
2650/*The 1st function called after module inserted*/
2651static int __init init_wilc_driver(void)
2652{
2653
2654
2655#if defined (WILC_DEBUGFS)
2656 if (wilc_debugfs_init() < 0) {
2657 PRINT_D(GENERIC_DBG, "fail to create debugfs for wilc driver\n");
2658 return -1;
2659 }
2660#endif
2661
2662 printk("IN INIT FUNCTION\n");
691f1a2f 2663 printk("*** WILC1000 driver VERSION=[10.2] FW_VER=[10.2] ***\n");
c5c77ba1
JK		 2664
2665 linux_wlan_device_power(1);
2666 msleep(100);
2667 linux_wlan_device_detection(1);
2668
2669#ifdef WILC_SDIO
2670 {
2671 int ret;
2672
2673 ret = sdio_register_driver(&wilc_bus);
2674 if (ret < 0) {
2675 PRINT_D(INIT_DBG, "init_wilc_driver: Failed register sdio driver\n");
2676 }
2677
2678 return ret;
2679 }
2680#else
2681 PRINT_D(INIT_DBG, "Initializing netdev\n");
2682 if (wilc_netdev_init()) {
2683 PRINT_ER("Couldn't initialize netdev\n");
2684 }
2685 return 0;
2686#endif
2687}
2688late_initcall(init_wilc_driver);
2689
2690static void __exit exit_wilc_driver(void)
2691{
2692 int i = 0;
842f1d71 2693 perInterface_wlan_t *nic[NUM_CONCURRENT_IFC] = {NULL,};
c5c77ba1
JK		 2694 #define CLOSE_TIMEOUT (12 * 1000)
2695
2696 if ((g_linux_wlan != NULL) && (((g_linux_wlan->strInterfaceInfo[0].wilc_netdev) != NULL)
2697 || ((g_linux_wlan->strInterfaceInfo[1].wilc_netdev) != NULL))) {
2698 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
2699 unregister_inetaddr_notifier(&g_dev_notifier);
2700 #endif
2701
2702 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2703 nic[i] = netdev_priv(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2704 }
2705 }
2706
2707
2708 if ((g_linux_wlan != NULL) && g_linux_wlan->wilc_firmware != NULL) {
2709 release_firmware(g_linux_wlan->wilc_firmware);
2710 g_linux_wlan->wilc_firmware = NULL;
2711 }
2712
2713
2714 if ((g_linux_wlan != NULL) && (((g_linux_wlan->strInterfaceInfo[0].wilc_netdev) != NULL)
2715 || ((g_linux_wlan->strInterfaceInfo[1].wilc_netdev) != NULL))) {
2716 PRINT_D(INIT_DBG, "Waiting for mac_close ....\n");
2717
2718 if (linux_wlan_lock_timeout(&close_exit_sync, CLOSE_TIMEOUT) < 0)
2719 PRINT_D(INIT_DBG, "Closed TimedOUT\n");
2720 else
2721 PRINT_D(INIT_DBG, "mac_closed\n");
2722
2723
2724 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2725 /* close all opened interfaces */
2726 if (g_linux_wlan->strInterfaceInfo[i].wilc_netdev != NULL) {
2727 if (nic[i]->mac_opened) {
2728 mac_close(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2729 }
2730 }
2731 }
2732 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2733 PRINT_D(INIT_DBG, "Unregistering netdev %p \n", g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2734 unregister_netdev(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2735 #ifdef USE_WIRELESS
2736 PRINT_D(INIT_DBG, "Freeing Wiphy...\n");
2737 WILC_WFI_WiphyFree(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2738 #endif
2739 PRINT_D(INIT_DBG, "Freeing netdev...\n");
2740 free_netdev(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2741 }
2742 }
2743
2744
2745#ifdef USE_WIRELESS
2746#ifdef WILC_AP_EXTERNAL_MLME
2747 /* Bug 4600 : WILC_WFI_deinit_mon_interface was already called at mac_close */
2748 /* WILC_WFI_deinit_mon_interface(); */
2749#endif
2750#endif
2751
2752 /* if(g_linux_wlan->open_ifcs==0) */
2753 {
2754 #ifndef WILC_SDIO
2755 PRINT_D(INIT_DBG, "SPI unregsiter...\n");
2756 spi_unregister_driver(&wilc_bus);
2757 #else
2758 PRINT_D(INIT_DBG, "SDIO unregsiter...\n");
2759 sdio_unregister_driver(&wilc_bus);
2760 #endif
2761
2762 linux_wlan_deinit_lock(&close_exit_sync);
2763 if (g_linux_wlan != NULL) {
2764 WILC_FREE(g_linux_wlan);
2765 g_linux_wlan = NULL;
2766 }
2767 printk("Module_exit Done.\n");
2768
2769#if defined (WILC_DEBUGFS)
2770 wilc_debugfs_remove();
2771#endif
2772
2773 linux_wlan_device_detection(0);
2774 linux_wlan_device_power(0);
2775 }
2776}
2777module_exit(exit_wilc_driver);
2778
2779MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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