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staging: wilc1000: replace MALLOC_WILC_BUFFER() macro to avoid possible memory leak
[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
da711eb6 74extern struct timer_list hDuringIpTimer;
c5c77ba1
JK		 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
c5c77ba1
JK		 105#ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
106static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr);
107
108static struct notifier_block g_dev_notifier = {
109 .notifier_call = dev_state_ev_handler
110};
111#endif
112
113#define wilc_wlan_deinit(nic) { if (&g_linux_wlan->oup != NULL) \
114 if (g_linux_wlan->oup.wlan_cleanup != NULL) \
115 g_linux_wlan->oup.wlan_cleanup(); }
116
c5c77ba1
JK		 117#ifndef STA_FIRMWARE
118#define STA_FIRMWARE "wifi_firmware.bin"
119#endif
120
121#ifndef AP_FIRMWARE
122#define AP_FIRMWARE "wifi_firmware_ap.bin"
123#endif
124
125#ifndef P2P_CONCURRENCY_FIRMWARE
126#define P2P_CONCURRENCY_FIRMWARE "wifi_firmware_p2p_concurrency.bin"
127#endif
128
c5c77ba1
JK		 129typedef struct android_wifi_priv_cmd {
130 char *buf;
131 int used_len;
132 int total_len;
133} android_wifi_priv_cmd;
134
c5c77ba1
JK		 135#define IRQ_WAIT 1
136#define IRQ_NO_WAIT 0
137/*
138 * to sync between mac_close and module exit.
139 * don't initialize or de-initialize from init/deinitlocks
140 * to be initialized from module wilc_netdev_init and
141 * deinitialized from mdoule_exit
142 */
143static struct semaphore close_exit_sync;
144unsigned int int_rcvdU;
145unsigned int int_rcvdB;
146unsigned int int_clrd;
147
148static int wlan_deinit_locks(linux_wlan_t *nic);
149static void wlan_deinitialize_threads(linux_wlan_t *nic);
150static void linux_wlan_lock(void *vp);
151void linux_wlan_unlock(void *vp);
152extern void WILC_WFI_monitor_rx(uint8_t *buff, uint32_t size);
153extern void WILC_WFI_p2p_rx(struct net_device *dev, uint8_t *buff, uint32_t size);
154
c5c77ba1
JK		 155static void *internal_alloc(uint32_t size, uint32_t flag);
156static void linux_wlan_tx_complete(void *priv, int status);
157void frmw_to_linux(uint8_t *buff, uint32_t size, uint32_t pkt_offset);
158static int mac_init_fn(struct net_device *ndev);
159int mac_xmit(struct sk_buff *skb, struct net_device *dev);
160int mac_open(struct net_device *ndev);
161int mac_close(struct net_device *ndev);
162static struct net_device_stats *mac_stats(struct net_device *dev);
163static int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd);
164static void wilc_set_multicast_list(struct net_device *dev);
165
c5c77ba1
JK		 166/*
167 * for now - in frmw_to_linux there should be private data to be passed to it
168 * and this data should be pointer to net device
169 */
170linux_wlan_t *g_linux_wlan;
171wilc_wlan_oup_t *gpstrWlanOps;
72ed4dc7 172bool bEnablePS = true;
c5c77ba1 173
c5c77ba1
JK		 174static const struct net_device_ops wilc_netdev_ops = {
175 .ndo_init = mac_init_fn,
176 .ndo_open = mac_open,
177 .ndo_stop = mac_close,
178 .ndo_start_xmit = mac_xmit,
179 .ndo_do_ioctl = mac_ioctl,
180 .ndo_get_stats = mac_stats,
181 .ndo_set_rx_mode = wilc_set_multicast_list,
182
183};
c5c77ba1 184
c5c77ba1
JK		 185#ifdef DEBUG_MODE
186
187extern volatile int timeNo;
188
189#define DEGUG_BUFFER_LENGTH 1000
190volatile int WatchDogdebuggerCounter;
191char DebugBuffer[DEGUG_BUFFER_LENGTH + 20] = {0};
192static char *ps8current = DebugBuffer;
193
c5c77ba1
JK		 194void printk_later(const char *format, ...)
195{
196 va_list args;
33694632
KL		 197 va_start(args, format);
198 ps8current += vsprintf(ps8current, format, args);
199 va_end(args);
fc4b95d6 200 if ((ps8current - DebugBuffer) > DEGUG_BUFFER_LENGTH)
c5c77ba1 201 ps8current = DebugBuffer;
c5c77ba1
JK		 202
203}
204
a96c47e1 205void dump_logs(void)
c5c77ba1
JK		 206{
207 if (DebugBuffer[0]) {
208 DebugBuffer[DEGUG_BUFFER_LENGTH] = 0;
209 PRINT_INFO(GENERIC_DBG, "early printed\n");
210 PRINT_D(GENERIC_DBG, ps8current + 1);
211 ps8current[1] = 0;
212 PRINT_INFO(GENERIC_DBG, "latest printed\n");
213 PRINT_D(GENERIC_DBG, DebugBuffer);
214 DebugBuffer[0] = 0;
215 ps8current = DebugBuffer;
216 }
217}
218
a96c47e1 219void Reset_WatchDogdebugger(void)
c5c77ba1
JK		 220{
221 WatchDogdebuggerCounter = 0;
222}
223
224static int DebuggingThreadTask(void *vp)
225{
226 while (1) {
227 while (!WatchDogdebuggerCounter) {
228 PRINT_D(GENERIC_DBG, "Debug Thread Running %d\n", timeNo);
229 WatchDogdebuggerCounter = 1;
230 msleep(10000);
231 }
232 dump_logs();
233 WatchDogdebuggerCounter = 0;
234 }
235}
c5c77ba1
JK		 236#endif
237
c5c77ba1
JK		 238#ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
239static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr)
240{
241 struct in_ifaddr *dev_iface = (struct in_ifaddr *)ptr;
242 struct WILC_WFI_priv *priv;
243 tstrWILC_WFIDrv *pstrWFIDrv;
244 struct net_device *dev;
63d03e47 245 u8 *pIP_Add_buff;
c5c77ba1 246 perInterface_wlan_t *nic;
63d03e47 247 u8 null_ip[4] = {0};
c5c77ba1
JK		 248 char wlan_dev_name[5] = "wlan0";
249
250 if (dev_iface == NULL || dev_iface->ifa_dev == NULL || dev_iface->ifa_dev->dev == NULL) {
251 PRINT_D(GENERIC_DBG, "dev_iface = NULL\n");
252 return NOTIFY_DONE;
253 }
254
255 if ((memcmp(dev_iface->ifa_label, "wlan0", 5)) && (memcmp(dev_iface->ifa_label, "p2p0", 4))) {
256 PRINT_D(GENERIC_DBG, "Interface is neither WLAN0 nor P2P0\n");
257 return NOTIFY_DONE;
258 }
259
260 dev = (struct net_device *)dev_iface->ifa_dev->dev;
261 if (dev->ieee80211_ptr == NULL || dev->ieee80211_ptr->wiphy == NULL) {
262 PRINT_D(GENERIC_DBG, "No Wireless registerd\n");
263 return NOTIFY_DONE;
264 }
265 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
266 if (priv == NULL) {
267 PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
268 return NOTIFY_DONE;
269 }
270 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
271 nic = netdev_priv(dev);
272 if (nic == NULL || pstrWFIDrv == NULL) {
273 PRINT_D(GENERIC_DBG, "No Wireless Priv\n");
274 return NOTIFY_DONE;
275 }
276
277 PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler +++\n"); /* tony */
278
279 switch (event) {
280 case NETDEV_UP:
281 PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_UP %p\n", dev); /* tony */
282
283 PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Obtained ===============\n\n");
284
c5c77ba1
JK		 285 /*If we are in station mode or client mode*/
286 if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) {
287 pstrWFIDrv->IFC_UP = 1;
72ed4dc7 288 g_obtainingIP = false;
8972d0fe 289 del_timer(&hDuringIpTimer);
c5c77ba1
JK		 290 PRINT_D(GENERIC_DBG, "IP obtained , enable scan\n");
291 }
292
5a66bf20 293 if (bEnablePS)
218dc407 294 host_int_set_power_mgmt(pstrWFIDrv, 1, 0);
c5c77ba1
JK		 295
296 PRINT_D(GENERIC_DBG, "[%s] Up IP\n", dev_iface->ifa_label);
297
298 pIP_Add_buff = (char *) (&(dev_iface->ifa_address));
17aacd43 299 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]);
218dc407 300 host_int_setup_ipaddress(pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
c5c77ba1
JK		 301
302 break;
303
304 case NETDEV_DOWN:
305 PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_DOWN %p\n", dev); /* tony */
306
307 PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Released ===============\n\n");
308 if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) {
309 pstrWFIDrv->IFC_UP = 0;
72ed4dc7 310 g_obtainingIP = false;
c5c77ba1
JK		 311 }
312
313 if (memcmp(dev_iface->ifa_label, wlan_dev_name, 5) == 0)
218dc407 314 host_int_set_power_mgmt(pstrWFIDrv, 0, 0);
c5c77ba1
JK		 315
316 resolve_disconnect_aberration(pstrWFIDrv);
317
c5c77ba1
JK		 318 PRINT_D(GENERIC_DBG, "[%s] Down IP\n", dev_iface->ifa_label);
319
320 pIP_Add_buff = null_ip;
17aacd43 321 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]);
c5c77ba1 322
218dc407 323 host_int_setup_ipaddress(pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx);
c5c77ba1
JK		 324
325 break;
326
327 default:
328 PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler event=default\n"); /* tony */
329 PRINT_INFO(GENERIC_DBG, "[%s] unknown dev event: %lu\n", dev_iface->ifa_label, event);
330
331 break;
332 }
333
334 return NOTIFY_DONE;
335
336}
337#endif
338
339/*
340 * Interrupt initialization and handling functions
341 */
342
343void linux_wlan_enable_irq(void)
344{
345
346#if (RX_BH_TYPE != RX_BH_THREADED_IRQ)
347#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
348 PRINT_D(INT_DBG, "Enabling IRQ ...\n");
349 enable_irq(g_linux_wlan->dev_irq_num);
350#endif
351#endif
352}
353
354void linux_wlan_disable_irq(int wait)
355{
356#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
357 if (wait) {
358 PRINT_D(INT_DBG, "Disabling IRQ ...\n");
359 disable_irq(g_linux_wlan->dev_irq_num);
360 } else {
361 PRINT_D(INT_DBG, "Disabling IRQ ...\n");
362 disable_irq_nosync(g_linux_wlan->dev_irq_num);
363 }
364#endif
365}
366
367#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
368static irqreturn_t isr_uh_routine(int irq, void *user_data)
369{
c5c77ba1
JK		 370 int_rcvdU++;
371#if (RX_BH_TYPE != RX_BH_THREADED_IRQ)
372 linux_wlan_disable_irq(IRQ_NO_WAIT);
373#endif
374 PRINT_D(INT_DBG, "Interrupt received UH\n");
375
376 /*While mac is closing cacncel the handling of any interrupts received*/
377 if (g_linux_wlan->close) {
378 PRINT_ER("Driver is CLOSING: Can't handle UH interrupt\n");
379 #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
380 return IRQ_HANDLED;
381 #else
382 return IRQ_NONE;
383 #endif
384
385 }
386#if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
387 schedule_work(&g_linux_wlan->rx_work_queue);
388 return IRQ_HANDLED;
389#elif (RX_BH_TYPE == RX_BH_KTHREAD)
390 linux_wlan_unlock(&g_linux_wlan->rx_sem);
391 return IRQ_HANDLED;
392#elif (RX_BH_TYPE == RX_BH_THREADED_IRQ)
393 return IRQ_WAKE_THREAD;
394#endif
395
396}
397#endif
398
399#if (RX_BH_TYPE == RX_BH_WORK_QUEUE || RX_BH_TYPE == RX_BH_THREADED_IRQ)
400
401#if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
402irqreturn_t isr_bh_routine(int irq, void *userdata)
403{
404 linux_wlan_t *nic;
405 nic = (linux_wlan_t *)userdata;
406#else
407static void isr_bh_routine(struct work_struct *work)
408{
409 perInterface_wlan_t *nic;
410 nic = (perInterface_wlan_t *)container_of(work, linux_wlan_t, rx_work_queue);
411#endif
412
413 /*While mac is closing cacncel the handling of any interrupts received*/
414 if (g_linux_wlan->close) {
415 PRINT_ER("Driver is CLOSING: Can't handle BH interrupt\n");
416 #if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
417 return IRQ_HANDLED;
418 #else
419 return;
420 #endif
c5c77ba1
JK		 421 }
422
423 int_rcvdB++;
424 PRINT_D(INT_DBG, "Interrupt received BH\n");
78174ada 425 if (g_linux_wlan->oup.wlan_handle_rx_isr != 0)
c5c77ba1 426 g_linux_wlan->oup.wlan_handle_rx_isr();
78174ada 427 else
c5c77ba1 428 PRINT_ER("wlan_handle_rx_isr() hasn't been initialized\n");
c5c77ba1 429
c5c77ba1
JK		 430#if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
431 return IRQ_HANDLED;
432#endif
433}
434#elif (RX_BH_TYPE == RX_BH_KTHREAD)
435static int isr_bh_routine(void *vp)
436{
437 linux_wlan_t *nic;
438
439 nic = (linux_wlan_t *)vp;
440
441 while (1) {
442 linux_wlan_lock(&nic->rx_sem);
443 if (g_linux_wlan->close) {
444
445 while (!kthread_should_stop())
446 schedule();
447
448 break;
449 }
450 int_rcvdB++;
451 PRINT_D(INT_DBG, "Interrupt received BH\n");
78174ada 452 if (g_linux_wlan->oup.wlan_handle_rx_isr != 0)
c5c77ba1 453 g_linux_wlan->oup.wlan_handle_rx_isr();
78174ada 454 else
c5c77ba1 455 PRINT_ER("wlan_handle_rx_isr() hasn't been initialized\n");
c5c77ba1
JK		 456 }
457
458 return 0;
459}
460#endif
461
c5c77ba1
JK		 462#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
463static int init_irq(linux_wlan_t *p_nic)
464{
465 int ret = 0;
466 linux_wlan_t *nic = p_nic;
467
468 /*initialize GPIO and register IRQ num*/
469 /*GPIO request*/
470 if ((gpio_request(GPIO_NUM, "WILC_INTR") == 0) &&
471 (gpio_direction_input(GPIO_NUM) == 0)) {
472#if defined(CUSTOMER_PLATFORM)
473/*
474 TODO : save the registerd irq number to the private wilc context in kernel.
475 *
476 * ex) nic->dev_irq_num = gpio_to_irq(GPIO_NUM);
477 */
33694632 478#elif defined(NM73131_0_BOARD)
c5c77ba1 479 nic->dev_irq_num = IRQ_WILC1000;
33694632 480#elif defined(PANDA_BOARD)
c5c77ba1
JK		 481 gpio_export(GPIO_NUM, 1);
482 nic->dev_irq_num = OMAP_GPIO_IRQ(GPIO_NUM);
483 irq_set_irq_type(nic->dev_irq_num, IRQ_TYPE_LEVEL_LOW);
484#else
485 nic->dev_irq_num = gpio_to_irq(GPIO_NUM);
486#endif
487 } else {
488 ret = -1;
489 PRINT_ER("could not obtain gpio for WILC_INTR\n");
490 }
491
c5c77ba1
JK		 492#if (RX_BH_TYPE == RX_BH_THREADED_IRQ)
493 if ((ret != -1) && (request_threaded_irq(nic->dev_irq_num, isr_uh_routine, isr_bh_routine,
494 IRQF_TRIGGER_LOW | IRQF_ONESHOT, /*Without IRQF_ONESHOT the uh will remain kicked in and dont gave a chance to bh*/
495 "WILC_IRQ", nic)) < 0) {
496
497#else
498 /*Request IRQ*/
499 if ((ret != -1) && (request_irq(nic->dev_irq_num, isr_uh_routine,
500 IRQF_TRIGGER_LOW, "WILC_IRQ", nic) < 0)) {
501
502#endif
503 PRINT_ER("Failed to request IRQ for GPIO: %d\n", GPIO_NUM);
504 ret = -1;
505 } else {
506
507 PRINT_D(INIT_DBG, "IRQ request succeeded IRQ-NUM= %d on GPIO: %d\n",
508 nic->dev_irq_num, GPIO_NUM);
509 }
510
511 return ret;
512}
513#endif
514
515static void deinit_irq(linux_wlan_t *nic)
516{
517#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO)
518 /* Deintialize IRQ */
519 if (&nic->dev_irq_num != 0) {
520 free_irq(nic->dev_irq_num, g_linux_wlan);
521
522 gpio_free(GPIO_NUM);
523 }
524#endif
525}
526
c5c77ba1
JK		 527/*
528 * OS functions
529 */
530static void linux_wlan_msleep(uint32_t msc)
531{
532 if (msc <= 4000000) {
4e4467fd 533 u32 u32Temp = msc * 1000;
c5c77ba1 534 usleep_range(u32Temp, u32Temp);
c5c77ba1
JK		 535 } else {
536 msleep(msc);
537 }
538}
539
540static void linux_wlan_atomic_msleep(uint32_t msc)
541{
542 mdelay(msc);
543}
544static void linux_wlan_dbg(uint8_t *buff)
545{
546 PRINT_D(INIT_DBG, "%d\n", *buff);
547}
548
549static void *linux_wlan_malloc_atomic(uint32_t sz)
550{
551 char *pntr = NULL;
30ef5c8b 552 pntr = kmalloc(sz, GFP_ATOMIC);
c5c77ba1
JK		 553 PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", sz, pntr);
554 return (void *)pntr;
555
556}
557static void *linux_wlan_malloc(uint32_t sz)
558{
559 char *pntr = NULL;
30ef5c8b 560 pntr = kmalloc(sz, GFP_KERNEL);
c5c77ba1
JK		 561 PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", sz, pntr);
562 return (void *)pntr;
563}
564
565void linux_wlan_free(void *vp)
566{
567 if (vp != NULL) {
568 PRINT_D(MEM_DBG, "Freeing %p\n", vp);
569 kfree(vp);
570 }
571}
572
c5c77ba1
JK		 573static void *internal_alloc(uint32_t size, uint32_t flag)
574{
575 char *pntr = NULL;
30ef5c8b 576 pntr = kmalloc(size, flag);
c5c77ba1
JK		 577 PRINT_D(MEM_DBG, "Allocating %d bytes at address %p\n", size, pntr);
578 return (void *)pntr;
579}
580
c5c77ba1
JK		 581static void linux_wlan_init_lock(char *lockName, void *plock, int count)
582{
583 sema_init((struct semaphore *)plock, count);
584 PRINT_D(LOCK_DBG, "Initializing [%s][%p]\n", lockName, plock);
585
586}
587
588static void linux_wlan_deinit_lock(void *plock)
589{
590 /* mutex_destroy((struct mutex*)plock); */
591}
592
593static void linux_wlan_lock(void *vp)
594{
595 PRINT_D(LOCK_DBG, "Locking %p\n", vp);
596 if (vp != NULL) {
597 while (down_interruptible((struct semaphore *) vp))
598 ;
599 } else {
600 PRINT_ER("Failed, mutex is NULL\n");
601 }
602}
603
4e4467fd 604static int linux_wlan_lock_timeout(void *vp, u32 timeout)
c5c77ba1
JK		 605{
606 int error = -1;
607 PRINT_D(LOCK_DBG, "Locking %p\n", vp);
78174ada 608 if (vp != NULL)
c5c77ba1 609 error = down_timeout((struct semaphore *)vp, msecs_to_jiffies(timeout));
78174ada 610 else
c5c77ba1 611 PRINT_ER("Failed, mutex is NULL\n");
c5c77ba1
JK		 612 return error;
613}
614
615void linux_wlan_unlock(void *vp)
616{
617 PRINT_D(LOCK_DBG, "Unlocking %p\n", vp);
78174ada 618 if (vp != NULL)
c5c77ba1 619 up((struct semaphore *)vp);
78174ada 620 else
c5c77ba1 621 PRINT_ER("Failed, mutex is NULL\n");
c5c77ba1
JK		 622}
623
c5c77ba1
JK		 624static void linux_wlan_init_mutex(char *lockName, void *plock, int count)
625{
626 mutex_init((struct mutex *)plock);
627 PRINT_D(LOCK_DBG, "Initializing mutex [%s][%p]\n", lockName, plock);
628
629}
630
631static void linux_wlan_deinit_mutex(void *plock)
632{
633 mutex_destroy((struct mutex *)plock);
634}
635
636static void linux_wlan_lock_mutex(void *vp)
637{
638 PRINT_D(LOCK_DBG, "Locking mutex %p\n", vp);
639 if (vp != NULL) {
640 /*
641 * if(mutex_is_locked((struct mutex*)vp))
642 * {
643 * //PRINT_ER("Mutex already locked - %p \n",vp);
644 * }
645 */
646 mutex_lock((struct mutex *)vp);
647
648 } else {
649 PRINT_ER("Failed, mutex is NULL\n");
650 }
651}
652
653static void linux_wlan_unlock_mutex(void *vp)
654{
655 PRINT_D(LOCK_DBG, "Unlocking mutex %p\n", vp);
656 if (vp != NULL) {
657
658 if (mutex_is_locked((struct mutex *)vp)) {
659 mutex_unlock((struct mutex *)vp);
660 } else {
661 /* PRINT_ER("Mutex already unlocked - %p\n",vp); */
662 }
663
664 } else {
665 PRINT_ER("Failed, mutex is NULL\n");
666 }
667}
668
c5c77ba1
JK		 669/*Added by Amr - BugID_4720*/
670static void linux_wlan_init_spin_lock(char *lockName, void *plock, int count)
671{
672 spin_lock_init((spinlock_t *)plock);
673 PRINT_D(SPIN_DEBUG, "Initializing mutex [%s][%p]\n", lockName, plock);
674
675}
676
677static void linux_wlan_deinit_spin_lock(void *plock)
678{
679
680}
681static void linux_wlan_spin_lock(void *vp, unsigned long *flags)
682{
683 unsigned long lflags;
684 PRINT_D(SPIN_DEBUG, "Lock spin %p\n", vp);
685 if (vp != NULL) {
686 spin_lock_irqsave((spinlock_t *)vp, lflags);
687 *flags = lflags;
688 } else {
689 PRINT_ER("Failed, spin lock is NULL\n");
690 }
691}
692static void linux_wlan_spin_unlock(void *vp, unsigned long *flags)
693{
694 unsigned long lflags = *flags;
695 PRINT_D(SPIN_DEBUG, "Unlock spin %p\n", vp);
696 if (vp != NULL) {
697 spin_unlock_irqrestore((spinlock_t *)vp, lflags);
698 *flags = lflags;
699 } else {
700 PRINT_ER("Failed, spin lock is NULL\n");
701 }
702}
703
704static void linux_wlan_mac_indicate(int flag)
705{
706 /*I have to do it that way becuase there is no mean to encapsulate device pointer
707 * as a parameter
708 */
709 linux_wlan_t *pd = g_linux_wlan;
710 int status;
711
712 if (flag == WILC_MAC_INDICATE_STATUS) {
713 pd->oup.wlan_cfg_get_value(WID_STATUS, (unsigned char *)&status, 4);
714 if (pd->mac_status == WILC_MAC_STATUS_INIT) {
715 pd->mac_status = status;
716 linux_wlan_unlock(&pd->sync_event);
717 } else {
718 pd->mac_status = status;
719 }
720
721 if (pd->mac_status == WILC_MAC_STATUS_CONNECT) { /* Connect */
c5c77ba1
JK		 722 }
723
724 } else if (flag == WILC_MAC_INDICATE_SCAN) {
725 PRINT_D(GENERIC_DBG, "Scanning ...\n");
726
727 }
728
729}
730
731struct net_device *GetIfHandler(uint8_t *pMacHeader)
732{
733 uint8_t *Bssid, *Bssid1;
734 int i = 0;
735
736 Bssid = pMacHeader + 10;
737 Bssid1 = pMacHeader + 4;
738
739 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
740 if (!memcmp(Bssid1, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN) ||
741 !memcmp(Bssid, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN)) {
742 return g_linux_wlan->strInterfaceInfo[i].wilc_netdev;
743 }
744 }
745 PRINT_INFO(INIT_DBG, "Invalide handle\n");
fc4b95d6 746 for (i = 0; i < 25; i++)
c5c77ba1 747 PRINT_D(INIT_DBG, "%02x ", pMacHeader[i]);
c5c77ba1
JK		 748 Bssid = pMacHeader + 18;
749 Bssid1 = pMacHeader + 12;
750 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
751 if (!memcmp(Bssid1, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN) ||
752 !memcmp(Bssid, g_linux_wlan->strInterfaceInfo[i].aBSSID, ETH_ALEN)) {
753 PRINT_D(INIT_DBG, "Ctx [%p]\n", g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
754 return g_linux_wlan->strInterfaceInfo[i].wilc_netdev;
755 }
756 }
757 PRINT_INFO(INIT_DBG, "\n");
758 return NULL;
759}
760
761int linux_wlan_set_bssid(struct net_device *wilc_netdev, uint8_t *pBSSID)
762{
763 int i = 0;
764 int ret = -1;
765
766 PRINT_D(INIT_DBG, "set bssid on[%p]\n", wilc_netdev);
767 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
768 if (g_linux_wlan->strInterfaceInfo[i].wilc_netdev == wilc_netdev) {
769 PRINT_D(INIT_DBG, "set bssid [%x][%x][%x]\n", pBSSID[0], pBSSID[1], pBSSID[2]);
770 memcpy(g_linux_wlan->strInterfaceInfo[i].aBSSID, pBSSID, 6);
771 ret = 0;
772 break;
773 }
774 }
775 return ret;
776}
777
778/*BugID_5213*/
779/*Function to get number of connected interfaces*/
780int linux_wlan_get_num_conn_ifcs(void)
781{
782 uint8_t i = 0;
783 uint8_t null_bssid[6] = {0};
784 uint8_t ret_val = 0;
785
786 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
fc4b95d6 787 if (memcmp(g_linux_wlan->strInterfaceInfo[i].aBSSID, null_bssid, 6))
c5c77ba1 788 ret_val++;
c5c77ba1
JK		 789 }
790 return ret_val;
791}
792
793static int linux_wlan_rxq_task(void *vp)
794{
795
796 /* inform wilc1000_wlan_init that RXQ task is started. */
797 linux_wlan_unlock(&g_linux_wlan->rxq_thread_started);
798 while (1) {
799 linux_wlan_lock(&g_linux_wlan->rxq_event);
800 /* wait_for_completion(&g_linux_wlan->rxq_event); */
801
802 if (g_linux_wlan->close) {
803 /*Unlock the mutex in the mac_close function to indicate the exiting of the RX thread */
804 linux_wlan_unlock(&g_linux_wlan->rxq_thread_started);
805
806 while (!kthread_should_stop())
807 schedule();
808
809 PRINT_D(RX_DBG, " RX thread stopped\n");
810 break;
811 }
812 PRINT_D(RX_DBG, "Calling wlan_handle_rx_que()\n");
813
814 g_linux_wlan->oup.wlan_handle_rx_que();
815 }
816 return 0;
817}
818
819#define USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
820
821static int linux_wlan_txq_task(void *vp)
822{
823 int ret, txq_count;
824
825#if defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
826#define TX_BACKOFF_WEIGHT_INCR_STEP (1)
827#define TX_BACKOFF_WEIGHT_DECR_STEP (1)
828#define TX_BACKOFF_WEIGHT_MAX (7)
829#define TX_BACKOFF_WEIGHT_MIN (0)
830#define TX_BACKOFF_WEIGHT_UNIT_MS (10)
831 int backoff_weight = TX_BACKOFF_WEIGHT_MIN;
c5c77ba1
JK		 832#endif
833
834 /* inform wilc1000_wlan_init that TXQ task is started. */
835 linux_wlan_unlock(&g_linux_wlan->txq_thread_started);
836 while (1) {
837
838 PRINT_D(TX_DBG, "txq_task Taking a nap :)\n");
839 linux_wlan_lock(&g_linux_wlan->txq_event);
840 /* wait_for_completion(&pd->txq_event); */
841 PRINT_D(TX_DBG, "txq_task Who waked me up :$\n");
842
843 if (g_linux_wlan->close) {
844 /*Unlock the mutex in the mac_close function to indicate the exiting of the TX thread */
845 linux_wlan_unlock(&g_linux_wlan->txq_thread_started);
846
847 while (!kthread_should_stop())
848 schedule();
849
850 PRINT_D(TX_DBG, "TX thread stopped\n");
851 break;
852 }
853 PRINT_D(TX_DBG, "txq_task handle the sending packet and let me go to sleep.\n");
854#if !defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS
855 g_linux_wlan->oup.wlan_handle_tx_que();
856#else
857 do {
858 ret = g_linux_wlan->oup.wlan_handle_tx_que(&txq_count);
859 if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD /* && netif_queue_stopped(pd->wilc_netdev)*/) {
860 PRINT_D(TX_DBG, "Waking up queue\n");
861 /* netif_wake_queue(pd->wilc_netdev); */
862 if (netif_queue_stopped(g_linux_wlan->strInterfaceInfo[0].wilc_netdev))
863 netif_wake_queue(g_linux_wlan->strInterfaceInfo[0].wilc_netdev);
864 if (netif_queue_stopped(g_linux_wlan->strInterfaceInfo[1].wilc_netdev))
865 netif_wake_queue(g_linux_wlan->strInterfaceInfo[1].wilc_netdev);
866 }
867
868 if (ret == WILC_TX_ERR_NO_BUF) { /* failed to allocate buffers in chip. */
c5c77ba1
JK		 869 do {
870 /* Back off from sending packets for some time. */
871 /* schedule_timeout will allow RX task to run and free buffers.*/
872 /* set_current_state(TASK_UNINTERRUPTIBLE); */
873 /* timeout = schedule_timeout(timeout); */
874 msleep(TX_BACKOFF_WEIGHT_UNIT_MS << backoff_weight);
875 } while (/*timeout*/ 0);
876 backoff_weight += TX_BACKOFF_WEIGHT_INCR_STEP;
fc4b95d6 877 if (backoff_weight > TX_BACKOFF_WEIGHT_MAX)
c5c77ba1 878 backoff_weight = TX_BACKOFF_WEIGHT_MAX;
c5c77ba1
JK		 879 } else {
880 if (backoff_weight > TX_BACKOFF_WEIGHT_MIN) {
881 backoff_weight -= TX_BACKOFF_WEIGHT_DECR_STEP;
fc4b95d6 882 if (backoff_weight < TX_BACKOFF_WEIGHT_MIN)
c5c77ba1 883 backoff_weight = TX_BACKOFF_WEIGHT_MIN;
c5c77ba1
JK		 884 }
885 }
886 /*TODO: drop packets after a certain time/number of retry count. */
887 } while (ret == WILC_TX_ERR_NO_BUF && !g_linux_wlan->close); /* retry sending packets if no more buffers in chip. */
888#endif
889 }
890 return 0;
891}
892
893static void linux_wlan_rx_complete(void)
894{
895 PRINT_D(RX_DBG, "RX completed\n");
896}
897
898int linux_wlan_get_firmware(perInterface_wlan_t *p_nic)
899{
900
901 perInterface_wlan_t *nic = p_nic;
902 int ret = 0;
903 const struct firmware *wilc_firmware;
904 char *firmware;
905
c5c77ba1
JK		 906 if (nic->iftype == AP_MODE)
907 firmware = AP_FIRMWARE;
908 else if (nic->iftype == STATION_MODE)
909 firmware = STA_FIRMWARE;
910
911 /*BugID_5137*/
912 else {
913 PRINT_D(INIT_DBG, "Get P2P_CONCURRENCY_FIRMWARE\n");
914 firmware = P2P_CONCURRENCY_FIRMWARE;
915 }
916
c5c77ba1
JK		 917 if (nic == NULL) {
918 PRINT_ER("NIC is NULL\n");
919 goto _fail_;
920 }
921
922 if (&nic->wilc_netdev->dev == NULL) {
923 PRINT_ER("&nic->wilc_netdev->dev is NULL\n");
924 goto _fail_;
925 }
926
c5c77ba1
JK		 927 /* the firmare should be located in /lib/firmware in
928 * root file system with the name specified above */
929
930#ifdef WILC_SDIO
931 if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_sdio_func->dev) != 0) {
932 PRINT_ER("%s - firmare not available\n", firmware);
933 ret = -1;
934 goto _fail_;
935 }
936#else
937 if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_spidev->dev) != 0) {
938 PRINT_ER("%s - firmare not available\n", firmware);
939 ret = -1;
940 goto _fail_;
941 }
942#endif
943 g_linux_wlan->wilc_firmware = wilc_firmware; /* Bug 4703 */
944
945_fail_:
946
947 return ret;
948
949}
950
951#ifdef COMPLEMENT_BOOT
952int repeat_power_cycle(perInterface_wlan_t *nic);
953#endif
954
955static int linux_wlan_start_firmware(perInterface_wlan_t *nic)
956{
957
c5c77ba1
JK		 958 int ret = 0;
959 /* start firmware */
960 PRINT_D(INIT_DBG, "Starting Firmware ...\n");
961 ret = g_linux_wlan->oup.wlan_start();
962 if (ret < 0) {
963 PRINT_ER("Failed to start Firmware\n");
964 goto _fail_;
965 }
966
967 /* wait for mac ready */
968 PRINT_D(INIT_DBG, "Waiting for Firmware to get ready ...\n");
969 ret = linux_wlan_lock_timeout(&g_linux_wlan->sync_event, 5000);
970 if (ret) {
971#ifdef COMPLEMENT_BOOT
7a8fd841 972 static int timeout = 5;
c5c77ba1
JK		 973
974 if (timeout--) {
975 PRINT_D(INIT_DBG, "repeat power cycle[%d]", timeout);
976 ret = repeat_power_cycle(nic);
977 } else {
978 timeout = 5;
979 ret = -1;
980 goto _fail_;
981 }
982#endif
983 PRINT_D(INIT_DBG, "Firmware start timed out");
984 goto _fail_;
985 }
986 /*
987 * TODO: Driver shouoldn't wait forever for firmware to get started -
988 * in case of timeout this should be handled properly
989 */
990 PRINT_D(INIT_DBG, "Firmware successfully started\n");
991
992_fail_:
993 return ret;
994}
995static int linux_wlan_firmware_download(linux_wlan_t *p_nic)
996{
997
998 int ret = 0;
999
1000 if (g_linux_wlan->wilc_firmware == NULL) {
1001 PRINT_ER("Firmware buffer is NULL\n");
1002 ret = -ENOBUFS;
1003 goto _FAIL_;
1004 }
1005 /**
1006 * do the firmware download
1007 **/
1008 PRINT_D(INIT_DBG, "Downloading Firmware ...\n");
1009 ret = g_linux_wlan->oup.wlan_firmware_download(g_linux_wlan->wilc_firmware->data, g_linux_wlan->wilc_firmware->size);
fc4b95d6 1010 if (ret < 0)
c5c77ba1 1011 goto _FAIL_;
c5c77ba1
JK		 1012
1013 /* Freeing FW buffer */
1014 PRINT_D(INIT_DBG, "Freeing FW buffer ...\n");
1015 PRINT_D(INIT_DBG, "Releasing firmware\n");
1016 release_firmware(g_linux_wlan->wilc_firmware);
1017 g_linux_wlan->wilc_firmware = NULL;
1018
17aacd43 1019 PRINT_D(INIT_DBG, "Download Succeeded\n");
c5c77ba1
JK		 1020
1021_FAIL_:
1022 return ret;
1023}
1024
c5c77ba1
JK		 1025/* startup configuration - could be changed later using iconfig*/
1026static int linux_wlan_init_test_config(struct net_device *dev, linux_wlan_t *p_nic)
1027{
1028
1029 unsigned char c_val[64];
1030 #ifndef STATIC_MACADDRESS
1031 unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xff};
1032 #endif
c5c77ba1
JK		 1033
1034 /*BugID_5077*/
1035 struct WILC_WFI_priv *priv;
1036 tstrWILC_WFIDrv *pstrWFIDrv;
1037
1038 PRINT_D(TX_DBG, "Start configuring Firmware\n");
1039 #ifndef STATIC_MACADDRESS
1040 get_random_bytes(&mac_add[5], 1);
1041 get_random_bytes(&mac_add[4], 1);
1042 #endif
1043 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
1044 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
8a14330f 1045 PRINT_D(INIT_DBG, "Host = %p\n", pstrWFIDrv);
c5c77ba1
JK		 1046
1047 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 1048 wilc_get_chipid(0);
c5c77ba1 1049
c5c77ba1
JK		 1050 if (g_linux_wlan->oup.wlan_cfg_set == NULL) {
1051 PRINT_D(INIT_DBG, "Null p[ointer\n");
1052 goto _fail_;
1053 }
1054
4e4467fd 1055 *(int *)c_val = (u32)pstrWFIDrv;
c5c77ba1
JK		 1056
1057 if (!g_linux_wlan->oup.wlan_cfg_set(1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0))
1058 goto _fail_;
1059
1060 /*to tell fw that we are going to use PC test - WILC specific*/
1061 c_val[0] = 0;
1062 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_PC_TEST_MODE, c_val, 1, 0, 0))
1063 goto _fail_;
1064
1065 c_val[0] = INFRASTRUCTURE;
1066 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BSS_TYPE, c_val, 1, 0, 0))
1067 goto _fail_;
1068
c5c77ba1
JK		 1069 /* c_val[0] = RATE_AUTO; / * bug 4275: Enable autorate and limit it to 24Mbps * / */
1070 c_val[0] = RATE_AUTO;
1071 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0))
1072 goto _fail_;
1073
1074 c_val[0] = G_MIXED_11B_2_MODE;
1075 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11G_OPERATING_MODE, c_val, 1, 0, 0))
1076 goto _fail_;
1077
1078 c_val[0] = 1;
1079 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0))
1080 goto _fail_;
1081
1082 c_val[0] = G_SHORT_PREAMBLE;
1083 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_PREAMBLE, c_val, 1, 0, 0))
1084 goto _fail_;
1085
1086 c_val[0] = AUTO_PROT;
1087 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_PROT_MECH, c_val, 1, 0, 0))
1088 goto _fail_;
1089
1090#ifdef SWITCH_LOG_TERMINAL
1091 c_val[0] = AUTO_PROT;
1092 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_LOGTerminal_Switch, c_val, 1, 0, 0))
1093 goto _fail_;
1094#endif
1095
1096 c_val[0] = ACTIVE_SCAN;
1097 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SCAN_TYPE, c_val, 1, 0, 0))
1098 goto _fail_;
1099
1100 c_val[0] = SITE_SURVEY_OFF;
1101 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SITE_SURVEY, c_val, 1, 0, 0))
1102 goto _fail_;
1103
1104 *((int *)c_val) = 0xffff; /* Never use RTS-CTS */
1105 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_RTS_THRESHOLD, c_val, 2, 0, 0))
1106 goto _fail_;
1107
1108 *((int *)c_val) = 2346;
1109 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_FRAG_THRESHOLD, c_val, 2, 0, 0))
1110 goto _fail_;
1111
1112 /* SSID */
1113 /* -------------------------------------------------------------- */
1114 /* Configuration : String with length less than 32 bytes */
1115 /* Values to set : Any string with length less than 32 bytes */
1116 /* ( In BSS Station Set SSID to "" (null string) */
1117 /* to enable Broadcast SSID suppport ) */
1118 /* -------------------------------------------------------------- */
1119#ifndef USE_WIRELESS
1120 strcpy(c_val, "nwifi");
1121 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SSID, c_val, (strlen(c_val) + 1), 0, 0))
1122 goto _fail_;
1123#endif
1124
1125 c_val[0] = 0;
1126 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BCAST_SSID, c_val, 1, 0, 0))
1127 goto _fail_;
1128
1129 c_val[0] = 1;
1130 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_QOS_ENABLE, c_val, 1, 0, 0))
1131 goto _fail_;
1132
1133 c_val[0] = NO_POWERSAVE;
1134 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0))
1135 goto _fail_;
1136
1137 c_val[0] = NO_ENCRYPT; /* NO_ENCRYPT, 0x79 */
1138 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11I_MODE, c_val, 1, 0, 0))
1139 goto _fail_;
1140
1141 c_val[0] = OPEN_SYSTEM;
1142 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_AUTH_TYPE, c_val, 1, 0, 0))
1143 goto _fail_;
1144
1145 /* WEP/802 11I Configuration */
1146 /* ------------------------------------------------------------------ */
1147 /* Configuration : WEP Key */
1148 /* Values (0x) : 5 byte for WEP40 and 13 bytes for WEP104 */
1149 /* In case more than 5 bytes are passed on for WEP 40 */
1150 /* only first 5 bytes will be used as the key */
1151 /* ------------------------------------------------------------------ */
1152
1153 strcpy(c_val, "123456790abcdef1234567890");
1154 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_WEP_KEY_VALUE, c_val, (strlen(c_val) + 1), 0, 0))
1155 goto _fail_;
1156
1157 /* WEP/802 11I Configuration */
1158 /* ------------------------------------------------------------------ */
1159 /* Configuration : AES/TKIP WPA/RSNA Pre-Shared Key */
1160 /* Values to set : Any string with length greater than equal to 8 bytes */
1161 /* and less than 64 bytes */
1162 /* ------------------------------------------------------------------ */
1163 strcpy(c_val, "12345678");
1164 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11I_PSK, c_val, (strlen(c_val)), 0, 0))
1165 goto _fail_;
1166
1167 /* IEEE802.1X Key Configuration */
1168 /* ------------------------------------------------------------------ */
1169 /* Configuration : Radius Server Access Secret Key */
1170 /* Values to set : Any string with length greater than equal to 8 bytes */
1171 /* and less than 65 bytes */
1172 /* ------------------------------------------------------------------ */
1173 strcpy(c_val, "password");
1174 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_1X_KEY, c_val, (strlen(c_val) + 1), 0, 0))
1175 goto _fail_;
1176
1177 /* IEEE802.1X Server Address Configuration */
1178 /* ------------------------------------------------------------------ */
1179 /* Configuration : Radius Server IP Address */
1180 /* Values to set : Any valid IP Address */
1181 /* ------------------------------------------------------------------ */
1182 c_val[0] = 192;
1183 c_val[1] = 168;
1184 c_val[2] = 1;
1185 c_val[3] = 112;
1186 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_1X_SERV_ADDR, c_val, 4, 0, 0))
1187 goto _fail_;
1188
1189 c_val[0] = 3;
1190 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0))
1191 goto _fail_;
1192
1193 c_val[0] = 3;
1194 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_DTIM_PERIOD, c_val, 1, 0, 0))
1195 goto _fail_;
1196
1197 c_val[0] = NORMAL_ACK;
1198 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_ACK_POLICY, c_val, 1, 0, 0))
1199 goto _fail_;
1200
1201 c_val[0] = 0;
1202 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1, 0, 0))
1203 goto _fail_;
1204
1205 c_val[0] = 48;
1206 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0, 0))
1207 goto _fail_;
1208
1209 c_val[0] = 28;
1210 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_TX_POWER_LEVEL_11B, c_val, 1, 0, 0))
1211 goto _fail_;
1212
1213 /* Beacon Interval */
1214 /* -------------------------------------------------------------------- */
1215 /* Configuration : Sets the beacon interval value */
1216 /* Values to set : Any 16-bit value */
1217 /* -------------------------------------------------------------------- */
1218
1219 *((int *)c_val) = 100;
1220 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_BEACON_INTERVAL, c_val, 2, 0, 0))
1221 goto _fail_;
1222
1223 c_val[0] = REKEY_DISABLE;
1224 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_POLICY, c_val, 1, 0, 0))
1225 goto _fail_;
1226
1227 /* Rekey Time (s) (Used only when the Rekey policy is 2 or 4) */
1228 /* -------------------------------------------------------------------- */
1229 /* Configuration : Sets the Rekey Time (s) */
1230 /* Values to set : 32-bit value */
1231 /* -------------------------------------------------------------------- */
1232 *((int *)c_val) = 84600;
1233 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_PERIOD, c_val, 4, 0, 0))
1234 goto _fail_;
1235
1236 /* Rekey Packet Count (in 1000s; used when Rekey Policy is 3) */
1237 /* -------------------------------------------------------------------- */
1238 /* Configuration : Sets Rekey Group Packet count */
1239 /* Values to set : 32-bit Value */
1240 /* -------------------------------------------------------------------- */
1241 *((int *)c_val) = 500;
1242 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_REKEY_PACKET_COUNT, c_val, 4, 0, 0))
1243 goto _fail_;
1244
1245 c_val[0] = 1;
1246 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0, 0))
1247 goto _fail_;
1248
1249 c_val[0] = G_SELF_CTS_PROT;
1250 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0))
1251 goto _fail_;
1252
1253 c_val[0] = 1; /* Enable N */
1254 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_ENABLE, c_val, 1, 0, 0))
1255 goto _fail_;
1256
1257 c_val[0] = HT_MIXED_MODE;
1258 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_OPERATING_MODE, c_val, 1, 0, 0))
1259 goto _fail_;
1260
1261 c_val[0] = 1; /* TXOP Prot disable in N mode: No RTS-CTS on TX A-MPDUs to save air-time. */
1262 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0, 0))
1263 goto _fail_;
1264
1265 memcpy(c_val, mac_add, 6);
1266
1267 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_MAC_ADDR, c_val, 6, 0, 0))
1268 goto _fail_;
1269
1270 /**
1271 * AP only
1272 **/
1273 c_val[0] = DETECT_PROTECT_REPORT;
1274 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_OBSS_NONHT_DETECTION, c_val, 1, 0, 0))
1275 goto _fail_;
1276
1277 c_val[0] = RTS_CTS_NONHT_PROT;
1278 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0))
1279 goto _fail_;
1280
1281 c_val[0] = 0;
1282 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0, 0))
1283 goto _fail_;
1284
1285 c_val[0] = MIMO_MODE;
1286 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_SMPS_MODE, c_val, 1, 0, 0))
1287 goto _fail_;
1288
1289 c_val[0] = 7;
1290 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_CURRENT_TX_MCS, c_val, 1, 0, 0))
1291 goto _fail_;
1292
1293 c_val[0] = 1; /* Enable N with immediate block ack. */
4e4467fd 1294 if (!g_linux_wlan->oup.wlan_cfg_set(0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1, 1, (u32)pstrWFIDrv))
c5c77ba1
JK		 1295 goto _fail_;
1296
1297 return 0;
1298
1299_fail_:
1300 return -1;
1301}
1302
c5c77ba1
JK		 1303/**************************/
1304void wilc1000_wlan_deinit(linux_wlan_t *nic)
1305{
1306
1307 if (g_linux_wlan->wilc1000_initialized) {
1308
1309 printk("Deinitializing wilc1000 ...\n");
1310
1311 if (nic == NULL) {
1312 PRINT_ER("nic is NULL\n");
1313 return;
1314 }
1315
1316#if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1317 /* johnny : remove */
1318 PRINT_D(INIT_DBG, "skip wilc_bus_set_default_speed\n");
1319#else
1320 wilc_bus_set_default_speed();
1321#endif
1322
1323 PRINT_D(INIT_DBG, "Disabling IRQ\n");
1324 #if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1325 linux_wlan_disable_irq(IRQ_WAIT);
1326 #else
1327 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1328
1329 #else
1330 linux_wlan_lock_mutex((void *)&g_linux_wlan->hif_cs);
1331 disable_sdio_interrupt();
1332 linux_wlan_unlock_mutex((void *)&g_linux_wlan->hif_cs);
1333 #endif
1334 #endif
1335
c5c77ba1 1336 /* not sure if the following unlocks are needed or not*/
fc4b95d6 1337 if (&g_linux_wlan->rxq_event != NULL)
c5c77ba1 1338 linux_wlan_unlock(&g_linux_wlan->rxq_event);
c5c77ba1 1339
fc4b95d6 1340 if (&g_linux_wlan->txq_event != NULL)
c5c77ba1 1341 linux_wlan_unlock(&g_linux_wlan->txq_event);
c5c77ba1 1342
c5c77ba1
JK		 1343 #if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
1344 /*Removing the work struct from the linux kernel workqueue*/
1345 if (&g_linux_wlan->rx_work_queue != NULL)
1346 flush_work(&g_linux_wlan->rx_work_queue);
1347
1348 #elif (RX_BH_TYPE == RX_BH_KTHREAD)
1349 /* if(&nic->rx_sem != NULL) */
1350 /* linux_wlan_unlock(&nic->rx_sem); */
1351 #endif
1352
1353 PRINT_D(INIT_DBG, "Deinitializing Threads\n");
1354 wlan_deinitialize_threads(nic);
1355
1356 PRINT_D(INIT_DBG, "Deinitializing IRQ\n");
1357 deinit_irq(g_linux_wlan);
1358
c5c77ba1
JK		 1359 if (&g_linux_wlan->oup != NULL) {
1360 if (g_linux_wlan->oup.wlan_stop != NULL)
1361 g_linux_wlan->oup.wlan_stop();
1362 }
1363
1364 PRINT_D(INIT_DBG, "Deinitializing WILC Wlan\n");
1365 wilc_wlan_deinit(nic);
1366#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1367 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31)
1368 PRINT_D(INIT_DBG, "Disabling IRQ 2\n");
1369
1370 linux_wlan_lock_mutex((void *)&g_linux_wlan->hif_cs);
1371 disable_sdio_interrupt();
1372 linux_wlan_unlock_mutex((void *)&g_linux_wlan->hif_cs);
1373 #endif
1374#endif
1375
1376 /*De-Initialize locks*/
1377 PRINT_D(INIT_DBG, "Deinitializing Locks\n");
1378 wlan_deinit_locks(g_linux_wlan);
1379
1380 /* announce that wilc1000 is not initialized */
1381 g_linux_wlan->wilc1000_initialized = 0;
1382
1383 PRINT_D(INIT_DBG, "wilc1000 deinitialization Done\n");
1384
1385 } else {
1386 PRINT_D(INIT_DBG, "wilc1000 is not initialized\n");
1387 }
c5c77ba1
JK		 1388}
1389
1390int wlan_init_locks(linux_wlan_t *p_nic)
1391{
1392
1393 PRINT_D(INIT_DBG, "Initializing Locks ...\n");
1394
1395 /*initialize mutexes*/
1396 linux_wlan_init_mutex("hif_lock/hif_cs", &g_linux_wlan->hif_cs, 1);
1397 linux_wlan_init_mutex("rxq_lock/rxq_cs", &g_linux_wlan->rxq_cs, 1);
1398 linux_wlan_init_mutex("txq_lock/txq_cs", &g_linux_wlan->txq_cs, 1);
1399
1400 /*Added by Amr - BugID_4720*/
1401 linux_wlan_init_spin_lock("txq_spin_lock/txq_cs", &g_linux_wlan->txq_spinlock, 1);
1402
1403 /*Added by Amr - BugID_4720*/
1404 linux_wlan_init_lock("txq_add_to_head_lock/txq_cs", &g_linux_wlan->txq_add_to_head_cs, 1);
1405
1406 linux_wlan_init_lock("txq_wait/txq_event", &g_linux_wlan->txq_event, 0);
1407 linux_wlan_init_lock("rxq_wait/rxq_event", &g_linux_wlan->rxq_event, 0);
1408
1409 linux_wlan_init_lock("cfg_wait/cfg_event", &g_linux_wlan->cfg_event, 0);
1410 linux_wlan_init_lock("sync_event", &g_linux_wlan->sync_event, 0);
1411
1412 linux_wlan_init_lock("rxq_lock/rxq_started", &g_linux_wlan->rxq_thread_started, 0);
1413 linux_wlan_init_lock("rxq_lock/txq_started", &g_linux_wlan->txq_thread_started, 0);
1414
1415 #if (RX_BH_TYPE == RX_BH_KTHREAD)
1416 linux_wlan_init_lock("BH_SEM", &g_linux_wlan->rx_sem, 0);
1417 #endif
1418
1419 return 0;
1420}
1421
1422static int wlan_deinit_locks(linux_wlan_t *nic)
1423{
1424 PRINT_D(INIT_DBG, "De-Initializing Locks\n");
1425
1426 if (&g_linux_wlan->hif_cs != NULL)
1427 linux_wlan_deinit_mutex(&g_linux_wlan->hif_cs);
1428
1429 if (&g_linux_wlan->rxq_cs != NULL)
1430 linux_wlan_deinit_mutex(&g_linux_wlan->rxq_cs);
1431
1432 if (&g_linux_wlan->txq_cs != NULL)
1433 linux_wlan_deinit_mutex(&g_linux_wlan->txq_cs);
1434
1435 /*Added by Amr - BugID_4720*/
1436 if (&g_linux_wlan->txq_spinlock != NULL)
1437 linux_wlan_deinit_spin_lock(&g_linux_wlan->txq_spinlock);
1438
1439 if (&g_linux_wlan->rxq_event != NULL)
1440 linux_wlan_deinit_lock(&g_linux_wlan->rxq_event);
1441
1442 if (&g_linux_wlan->txq_event != NULL)
1443 linux_wlan_deinit_lock(&g_linux_wlan->txq_event);
1444
1445 /*Added by Amr - BugID_4720*/
1446 if (&g_linux_wlan->txq_add_to_head_cs != NULL)
1447 linux_wlan_deinit_lock(&g_linux_wlan->txq_add_to_head_cs);
1448
1449 if (&g_linux_wlan->rxq_thread_started != NULL)
1450 linux_wlan_deinit_lock(&g_linux_wlan->rxq_thread_started);
1451
1452 if (&g_linux_wlan->txq_thread_started != NULL)
1453 linux_wlan_deinit_lock(&g_linux_wlan->txq_thread_started);
1454
1455 if (&g_linux_wlan->cfg_event != NULL)
1456 linux_wlan_deinit_lock(&g_linux_wlan->cfg_event);
1457
1458 if (&g_linux_wlan->sync_event != NULL)
1459 linux_wlan_deinit_lock(&g_linux_wlan->sync_event);
1460
1461 return 0;
1462}
1463void linux_to_wlan(wilc_wlan_inp_t *nwi, linux_wlan_t *nic)
1464{
1465
1466 PRINT_D(INIT_DBG, "Linux to Wlan services ...\n");
1467
1468 nwi->os_context.hif_critical_section = (void *)&g_linux_wlan->hif_cs;
1469 nwi->os_context.os_private = (void *)nic;
1470 nwi->os_context.tx_buffer_size = LINUX_TX_SIZE;
1471 nwi->os_context.txq_critical_section = (void *)&g_linux_wlan->txq_cs;
1472
1473 /*Added by Amr - BugID_4720*/
1474 nwi->os_context.txq_add_to_head_critical_section = (void *)&g_linux_wlan->txq_add_to_head_cs;
1475
1476 /*Added by Amr - BugID_4720*/
1477 nwi->os_context.txq_spin_lock = (void *)&g_linux_wlan->txq_spinlock;
1478
1479 nwi->os_context.txq_wait_event = (void *)&g_linux_wlan->txq_event;
1480
33694632 1481#if defined(MEMORY_STATIC)
c5c77ba1
JK		 1482 nwi->os_context.rx_buffer_size = LINUX_RX_SIZE;
1483#endif
1484 nwi->os_context.rxq_critical_section = (void *)&g_linux_wlan->rxq_cs;
1485 nwi->os_context.rxq_wait_event = (void *)&g_linux_wlan->rxq_event;
1486 nwi->os_context.cfg_wait_event = (void *)&g_linux_wlan->cfg_event;
1487
1488 nwi->os_func.os_sleep = linux_wlan_msleep;
1489 nwi->os_func.os_atomic_sleep = linux_wlan_atomic_msleep;
1490 nwi->os_func.os_debug = linux_wlan_dbg;
1491 nwi->os_func.os_malloc = linux_wlan_malloc;
1492 nwi->os_func.os_malloc_atomic = linux_wlan_malloc_atomic;
1493 nwi->os_func.os_free = linux_wlan_free;
1494 nwi->os_func.os_lock = linux_wlan_lock;
1495 nwi->os_func.os_unlock = linux_wlan_unlock;
1496 nwi->os_func.os_wait = linux_wlan_lock_timeout;
1497 nwi->os_func.os_signal = linux_wlan_unlock;
1498 nwi->os_func.os_enter_cs = linux_wlan_lock_mutex;
1499 nwi->os_func.os_leave_cs = linux_wlan_unlock_mutex;
1500
1501 /*Added by Amr - BugID_4720*/
1502 nwi->os_func.os_spin_lock = linux_wlan_spin_lock;
1503 nwi->os_func.os_spin_unlock = linux_wlan_spin_unlock;
1504
1505#ifdef WILC_SDIO
1506 nwi->io_func.io_type = HIF_SDIO;
1507 nwi->io_func.io_init = linux_sdio_init;
1508 nwi->io_func.io_deinit = linux_sdio_deinit;
1509 nwi->io_func.u.sdio.sdio_cmd52 = linux_sdio_cmd52;
1510 nwi->io_func.u.sdio.sdio_cmd53 = linux_sdio_cmd53;
1511 nwi->io_func.u.sdio.sdio_set_max_speed = linux_sdio_set_max_speed;
1512 nwi->io_func.u.sdio.sdio_set_default_speed = linux_sdio_set_default_speed;
1513#else
1514 nwi->io_func.io_type = HIF_SPI;
1515 nwi->io_func.io_init = linux_spi_init;
1516 nwi->io_func.io_deinit = linux_spi_deinit;
1517 nwi->io_func.u.spi.spi_tx = linux_spi_write;
1518 nwi->io_func.u.spi.spi_rx = linux_spi_read;
1519 nwi->io_func.u.spi.spi_trx = linux_spi_write_read;
1520 nwi->io_func.u.spi.spi_max_speed = linux_spi_set_max_speed;
1521#endif
1522
1523 /*for now - to be revised*/
1524 #ifdef WILC_FULLY_HOSTING_AP
1525 /* incase of Fully hosted AP, all non cfg pkts are processed here*/
1526 nwi->net_func.rx_indicate = WILC_Process_rx_frame;
1527 #else
1528 nwi->net_func.rx_indicate = frmw_to_linux;
1529 #endif
1530 nwi->net_func.rx_complete = linux_wlan_rx_complete;
1531 nwi->indicate_func.mac_indicate = linux_wlan_mac_indicate;
1532}
1533
1534int wlan_initialize_threads(perInterface_wlan_t *nic)
1535{
1536
1537 int ret = 0;
1538 PRINT_D(INIT_DBG, "Initializing Threads ...\n");
1539
1540#if (RX_BH_TYPE == RX_BH_WORK_QUEUE)
1541 /*Initialize rx work queue task*/
1542 INIT_WORK(&g_linux_wlan->rx_work_queue, isr_bh_routine);
1543#elif (RX_BH_TYPE == RX_BH_KTHREAD)
1544 PRINT_D(INIT_DBG, "Creating kthread for Rxq BH\n");
1545 g_linux_wlan->rx_bh_thread = kthread_run(isr_bh_routine, (void *)g_linux_wlan, "K_RXQ_BH");
1546 if (g_linux_wlan->rx_bh_thread == 0) {
1547 PRINT_ER("couldn't create RX BH thread\n");
1548 ret = -ENOBUFS;
1549 goto _fail_;
1550 }
1551#endif
1552
1553#ifndef TCP_ENHANCEMENTS
1554 /* create rx task */
1555 PRINT_D(INIT_DBG, "Creating kthread for reception\n");
1556 g_linux_wlan->rxq_thread = kthread_run(linux_wlan_rxq_task, (void *)g_linux_wlan, "K_RXQ_TASK");
1557 if (g_linux_wlan->rxq_thread == 0) {
1558 PRINT_ER("couldn't create RXQ thread\n");
1559 ret = -ENOBUFS;
1560 goto _fail_1;
1561 }
1562
1563 /* wait for RXQ task to start. */
1564 linux_wlan_lock(&g_linux_wlan->rxq_thread_started);
1565
1566#endif
1567
1568 /* create tx task */
1569 PRINT_D(INIT_DBG, "Creating kthread for transmission\n");
1570 g_linux_wlan->txq_thread = kthread_run(linux_wlan_txq_task, (void *)g_linux_wlan, "K_TXQ_TASK");
1571 if (g_linux_wlan->txq_thread == 0) {
1572 PRINT_ER("couldn't create TXQ thread\n");
1573 ret = -ENOBUFS;
1574 goto _fail_2;
1575 }
1576#ifdef DEBUG_MODE
1577 PRINT_D(INIT_DBG, "Creating kthread for Debugging\n");
1578 g_linux_wlan->txq_thread = kthread_run(DebuggingThreadTask, (void *)g_linux_wlan, "DebugThread");
1579 if (g_linux_wlan->txq_thread == 0) {
1580 PRINT_ER("couldn't create TXQ thread\n");
1581 ret = -ENOBUFS;
1582 goto _fail_2;
1583 }
1584#endif
1585 /* wait for TXQ task to start. */
1586 linux_wlan_lock(&g_linux_wlan->txq_thread_started);
1587
1588 return 0;
1589
1590_fail_2:
1591 /*De-Initialize 2nd thread*/
1592 g_linux_wlan->close = 1;
1593 linux_wlan_unlock(&g_linux_wlan->rxq_event);
1594 kthread_stop(g_linux_wlan->rxq_thread);
1595
7a8fd841 1596#ifndef TCP_ENHANCEMENTS
c5c77ba1 1597_fail_1:
7a8fd841 1598#endif
c5c77ba1
JK		 1599 #if (RX_BH_TYPE == RX_BH_KTHREAD)
1600 /*De-Initialize 1st thread*/
1601 g_linux_wlan->close = 1;
1602 linux_wlan_unlock(&g_linux_wlan->rx_sem);
1603 kthread_stop(g_linux_wlan->rx_bh_thread);
1604_fail_:
1605 #endif
1606 g_linux_wlan->close = 0;
1607 return ret;
1608}
1609
1610static void wlan_deinitialize_threads(linux_wlan_t *nic)
1611{
1612
1613 g_linux_wlan->close = 1;
1614 PRINT_D(INIT_DBG, "Deinitializing Threads\n");
1615 if (&g_linux_wlan->rxq_event != NULL)
1616 linux_wlan_unlock(&g_linux_wlan->rxq_event);
1617
c5c77ba1
JK		 1618 if (g_linux_wlan->rxq_thread != NULL) {
1619 kthread_stop(g_linux_wlan->rxq_thread);
1620 g_linux_wlan->rxq_thread = NULL;
1621 }
1622
c5c77ba1
JK		 1623 if (&g_linux_wlan->txq_event != NULL)
1624 linux_wlan_unlock(&g_linux_wlan->txq_event);
1625
c5c77ba1
JK		 1626 if (g_linux_wlan->txq_thread != NULL) {
1627 kthread_stop(g_linux_wlan->txq_thread);
1628 g_linux_wlan->txq_thread = NULL;
1629 }
1630
1631 #if (RX_BH_TYPE == RX_BH_KTHREAD)
1632 if (&g_linux_wlan->rx_sem != NULL)
1633 linux_wlan_unlock(&g_linux_wlan->rx_sem);
1634
1635 if (g_linux_wlan->rx_bh_thread != NULL) {
1636 kthread_stop(g_linux_wlan->rx_bh_thread);
1637 g_linux_wlan->rx_bh_thread = NULL;
1638 }
1639 #endif
1640}
1641
1642#ifdef STATIC_MACADDRESS
1643const char *path_string[] = {
1644 "/etc/wlan",
1645 "/data/wlan",
1646};
1647
1648static int linux_wlan_read_mac_addr(void *vp)
1649{
1650 int ret = 0;
1651 struct file *fp = (struct file *)-ENOENT;
1652 mm_segment_t old_fs;
1653 loff_t pos = 0;
1654 int index;
0feae200 1655 int array_size = ARRAY_SIZE(path_string);
c5c77ba1
JK		 1656
1657 /* change to KERNEL_DS address limit */
1658 old_fs = get_fs();
1659 set_fs(KERNEL_DS);
1660
1661 for (index = 0; index < array_size; index++) {
1662 fp = filp_open(path_string[index], O_WRONLY, 0640);
1663 if (!fp) {
1664 ret = -1;
1665 goto exit;
1666 }
1667
1668 /*No such file or directory */
1669 if (IS_ERR(fp) || !fp->f_op) {
1670 get_random_bytes(&mac_add[3], 3);
1671 /* open file to write */
1672 fp = filp_open(path_string[index], O_WRONLY | O_CREAT, 0640);
1673
1674 if (!fp || IS_ERR(fp)) {
1675 ret = -1;
1676 continue;
1677 } else {
1678 /* write buf to file */
1679 fp->f_op->write(fp, mac_add, 6, &pos);
1680 break;
1681 }
1682 } else {
1683 /* read file to buf */
1684 fp->f_op->read(fp, mac_add, 6, &pos);
1685 break;
1686 }
1687 }
1688
fc4b95d6 1689 if (index == array_size)
c5c77ba1 1690 PRINT_ER("random MAC\n");
c5c77ba1
JK		 1691
1692exit:
fc4b95d6 1693 if (fp && !IS_ERR(fp))
c5c77ba1 1694 filp_close(fp, NULL);
c5c77ba1
JK		 1695
1696 set_fs(old_fs);
1697
1698 return ret;
1699}
1700#endif
1701
1702#ifdef COMPLEMENT_BOOT
1703
1704extern volatile int probe;
1705extern uint8_t core_11b_ready(void);
1706
1707#define READY_CHECK_THRESHOLD 30
1708extern void wilc_wlan_global_reset(void);
1709uint8_t wilc1000_prepare_11b_core(wilc_wlan_inp_t *nwi, wilc_wlan_oup_t *nwo, linux_wlan_t *nic)
1710{
1711 uint8_t trials = 0;
1712 while ((core_11b_ready() && (READY_CHECK_THRESHOLD > (trials++)))) {
1713 PRINT_D(INIT_DBG, "11b core not ready yet: %u\n", trials);
1714 wilc_wlan_deinit(nic);
1715 wilc_wlan_global_reset();
1716 sdio_unregister_driver(&wilc_bus);
1717
1718 linux_wlan_device_detection(0);
1719
1720 mdelay(100);
1721
1722 linux_wlan_device_detection(1);
1723
1724 sdio_register_driver(&wilc_bus);
1725
fc4b95d6 1726 while (!probe)
c5c77ba1 1727 msleep(100);
c5c77ba1
JK		 1728 probe = 0;
1729 g_linux_wlan->wilc_sdio_func = local_sdio_func;
1730 linux_to_wlan(nwi, nic);
1731 wilc_wlan_init(nwi, nwo);
1732 }
1733
1734 if (READY_CHECK_THRESHOLD <= trials)
1735 return 1;
1736 else
1737 return 0;
1738
1739}
1740
1741int repeat_power_cycle(perInterface_wlan_t *nic)
1742{
1743 int ret = 0;
1744 wilc_wlan_inp_t nwi;
1745 wilc_wlan_oup_t nwo;
1746 sdio_unregister_driver(&wilc_bus);
1747
1748 linux_wlan_device_detection(0);
1749 linux_wlan_device_power(0);
1750 msleep(100);
1751 linux_wlan_device_power(1);
1752 msleep(80);
1753 linux_wlan_device_detection(1);
1754 msleep(20);
1755
1756 sdio_register_driver(&wilc_bus);
1757
1758 /* msleep(1000); */
fc4b95d6 1759 while (!probe)
c5c77ba1 1760 msleep(100);
c5c77ba1
JK		 1761 probe = 0;
1762 g_linux_wlan->wilc_sdio_func = local_sdio_func;
1763 linux_to_wlan(&nwi, g_linux_wlan);
1764 ret = wilc_wlan_init(&nwi, &nwo);
1765
1766 g_linux_wlan->mac_status = WILC_MAC_STATUS_INIT;
1767 #if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1768 enable_sdio_interrupt();
1769 #endif
1770
1771 if (linux_wlan_get_firmware(nic)) {
17aacd43 1772 PRINT_ER("Can't get firmware\n");
c5c77ba1
JK		 1773 ret = -1;
1774 goto __fail__;
1775 }
1776
1777 /*Download firmware*/
1778 ret = linux_wlan_firmware_download(g_linux_wlan);
1779 if (ret < 0) {
1780 PRINT_ER("Failed to download firmware\n");
1781 goto __fail__;
1782 }
1783 /* Start firmware*/
1784 ret = linux_wlan_start_firmware(nic);
fc4b95d6 1785 if (ret < 0)
c5c77ba1 1786 PRINT_ER("Failed to start firmware\n");
c5c77ba1
JK		 1787__fail__:
1788 return ret;
1789}
1790#endif
1791
1792int wilc1000_wlan_init(struct net_device *dev, perInterface_wlan_t *p_nic)
1793{
1794 wilc_wlan_inp_t nwi;
1795 wilc_wlan_oup_t nwo;
1796 perInterface_wlan_t *nic = p_nic;
1797 int ret = 0;
1798
1799 if (!g_linux_wlan->wilc1000_initialized) {
1800 g_linux_wlan->mac_status = WILC_MAC_STATUS_INIT;
1801 g_linux_wlan->close = 0;
1802 g_linux_wlan->wilc1000_initialized = 0;
1803
1804 wlan_init_locks(g_linux_wlan);
1805
1806#ifdef STATIC_MACADDRESS
1807 wilc_mac_thread = kthread_run(linux_wlan_read_mac_addr, NULL, "wilc_mac_thread");
fc4b95d6 1808 if (wilc_mac_thread < 0)
c5c77ba1 1809 PRINT_ER("couldn't create Mac addr thread\n");
c5c77ba1
JK		 1810#endif
1811
1812 linux_to_wlan(&nwi, g_linux_wlan);
1813
1814 ret = wilc_wlan_init(&nwi, &nwo);
1815 if (ret < 0) {
1816 PRINT_ER("Initializing WILC_Wlan FAILED\n");
1817 ret = -EIO;
1818 goto _fail_locks_;
1819 }
1820 memcpy(&g_linux_wlan->oup, &nwo, sizeof(wilc_wlan_oup_t));
1821
1822 /*Save the oup structre into global pointer*/
1823 gpstrWlanOps = &g_linux_wlan->oup;
1824
c5c77ba1
JK		 1825 ret = wlan_initialize_threads(nic);
1826 if (ret < 0) {
1827 PRINT_ER("Initializing Threads FAILED\n");
1828 ret = -EIO;
1829 goto _fail_wilc_wlan_;
1830 }
1831
1832#if (defined WILC_SDIO) && (defined COMPLEMENT_BOOT)
1833 if (wilc1000_prepare_11b_core(&nwi, &nwo, g_linux_wlan)) {
1834 PRINT_ER("11b Core is not ready\n");
1835 ret = -EIO;
1836 goto _fail_threads_;
1837 }
1838#endif
1839
1840#if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1841 if (init_irq(g_linux_wlan)) {
1842 PRINT_ER("couldn't initialize IRQ\n");
1843 ret = -EIO;
1844 goto _fail_threads_;
1845 }
1846#endif
1847
1848#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1849 if (enable_sdio_interrupt()) {
1850 PRINT_ER("couldn't initialize IRQ\n");
1851 ret = -EIO;
1852 goto _fail_irq_init_;
1853 }
1854#endif
1855
1856 if (linux_wlan_get_firmware(nic)) {
17aacd43 1857 PRINT_ER("Can't get firmware\n");
c5c77ba1
JK		 1858 ret = -EIO;
1859 goto _fail_irq_enable_;
1860 }
1861
c5c77ba1
JK		 1862 /*Download firmware*/
1863 ret = linux_wlan_firmware_download(g_linux_wlan);
1864 if (ret < 0) {
1865 PRINT_ER("Failed to download firmware\n");
1866 ret = -EIO;
1867 goto _fail_irq_enable_;
1868 }
1869
1870 /* Start firmware*/
1871 ret = linux_wlan_start_firmware(nic);
1872 if (ret < 0) {
1873 PRINT_ER("Failed to start firmware\n");
1874 ret = -EIO;
1875 goto _fail_irq_enable_;
1876 }
1877
1878 wilc_bus_set_max_speed();
1879
1880 if (g_linux_wlan->oup.wlan_cfg_get(1, WID_FIRMWARE_VERSION, 1, 0)) {
1881 int size;
1882 char Firmware_ver[20];
1883 size = g_linux_wlan->oup.wlan_cfg_get_value(
1884 WID_FIRMWARE_VERSION,
1885 Firmware_ver, sizeof(Firmware_ver));
1886 Firmware_ver[size] = '\0';
1887 PRINT_D(INIT_DBG, "***** Firmware Ver = %s *******\n", Firmware_ver);
1888 }
1889 /* Initialize firmware with default configuration */
1890 ret = linux_wlan_init_test_config(dev, g_linux_wlan);
1891
1892 if (ret < 0) {
1893 PRINT_ER("Failed to configure firmware\n");
1894 ret = -EIO;
1895 goto _fail_fw_start_;
1896 }
1897
1898 g_linux_wlan->wilc1000_initialized = 1;
1899 return 0; /*success*/
1900
c5c77ba1
JK		 1901_fail_fw_start_:
1902 if (&g_linux_wlan->oup != NULL) {
1903 if (g_linux_wlan->oup.wlan_stop != NULL)
1904 g_linux_wlan->oup.wlan_stop();
1905 }
1906
1907_fail_irq_enable_:
1908#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO)
1909 disable_sdio_interrupt();
c5c77ba1 1910_fail_irq_init_:
7a8fd841 1911#endif
c5c77ba1
JK		 1912#if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)
1913 deinit_irq(g_linux_wlan);
1914
1915#endif
1916_fail_threads_:
1917 wlan_deinitialize_threads(g_linux_wlan);
1918_fail_wilc_wlan_:
1919 wilc_wlan_deinit(g_linux_wlan);
1920_fail_locks_:
1921 wlan_deinit_locks(g_linux_wlan);
1922 PRINT_ER("WLAN Iinitialization FAILED\n");
1923 } else {
1924 PRINT_D(INIT_DBG, "wilc1000 already initialized\n");
1925 }
1926 return ret;
1927}
1928
c5c77ba1
JK		 1929/*
1930 * - this function will be called automatically by OS when module inserted.
1931 */
1932
33694632 1933#if !defined(NM73131_0_BOARD)
c5c77ba1
JK		 1934int mac_init_fn(struct net_device *ndev)
1935{
1936
1937 /*Why we do this !!!*/
1938 netif_start_queue(ndev); /* ma */
1939 netif_stop_queue(ndev); /* ma */
1940
1941 return 0;
1942}
1943#else
1944int mac_init_fn(struct net_device *ndev)
1945{
1946
1947 unsigned char mac_add[] = {0x00, 0x50, 0xc2, 0x5e, 0x10, 0x00};
1948 /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/
1949 memcpy(ndev->dev_addr, mac_add, 6);
1950
1951 if (!is_valid_ether_addr(ndev->dev_addr)) {
1952 PRINT_ER("Error: Wrong MAC address\n");
1953 return -EINVAL;
1954 }
1955
1956 return 0;
1957}
1958#endif
1959
c5c77ba1
JK		 1960void WILC_WFI_frame_register(struct wiphy *wiphy, struct net_device *dev,
1961 u16 frame_type, bool reg);
1962
1963/* This fn is called, when this device is setup using ifconfig */
33694632 1964#if !defined(NM73131_0_BOARD)
c5c77ba1
JK		 1965int mac_open(struct net_device *ndev)
1966{
1967 perInterface_wlan_t *nic;
1968
1969 /*BugID_5213*/
1970 /*No need for setting mac address here anymore,*/
1971 /*Just set it in init_test_config()*/
1972 unsigned char mac_add[ETH_ALEN] = {0};
c5c77ba1
JK		 1973 int ret = 0;
1974 int i = 0;
1975 struct WILC_WFI_priv *priv;
1976
1977 nic = netdev_priv(ndev);
1978 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
1979 PRINT_D(INIT_DBG, "MAC OPEN[%p]\n", ndev);
1980
1981 #ifdef USE_WIRELESS
1982 ret = WILC_WFI_InitHostInt(ndev);
1983 if (ret < 0) {
1984 PRINT_ER("Failed to initialize host interface\n");
1985
1986 return ret;
1987 }
1988 #endif
1989
1990 /*initialize platform*/
1991 PRINT_D(INIT_DBG, "*** re-init ***\n");
1992 ret = wilc1000_wlan_init(ndev, nic);
1993 if (ret < 0) {
1994 PRINT_ER("Failed to initialize wilc1000\n");
1995 WILC_WFI_DeInitHostInt(ndev);
1996 return ret;
1997 }
1998
72ed4dc7 1999 Set_machw_change_vir_if(false);
c5c77ba1 2000
21175ef7 2001 host_int_get_MacAddress(priv->hWILCWFIDrv, mac_add);
c5c77ba1
JK		 2002 PRINT_D(INIT_DBG, "Mac address: %x:%x:%x:%x:%x:%x\n", mac_add[0], mac_add[1], mac_add[2],
2003 mac_add[3], mac_add[4], mac_add[5]);
2004
2005 /* loop through the NUM of supported devices and set the MAC address */
2006 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
2007 if (ndev == g_linux_wlan->strInterfaceInfo[i].wilc_netdev) {
2008 memcpy(g_linux_wlan->strInterfaceInfo[i].aSrcAddress, mac_add, ETH_ALEN);
218dc407 2009 g_linux_wlan->strInterfaceInfo[i].drvHandler = priv->hWILCWFIDrv;
c5c77ba1
JK		 2010 break;
2011 }
2012 }
2013
2014 /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/
2015 memcpy(ndev->dev_addr, g_linux_wlan->strInterfaceInfo[i].aSrcAddress, ETH_ALEN);
2016
2017 if (!is_valid_ether_addr(ndev->dev_addr)) {
2018 PRINT_ER("Error: Wrong MAC address\n");
2019 ret = -EINVAL;
2020 goto _err_;
2021 }
2022
c5c77ba1
JK		 2023 WILC_WFI_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev,
2024 nic->g_struct_frame_reg[0].frame_type, nic->g_struct_frame_reg[0].reg);
2025 WILC_WFI_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev,
2026 nic->g_struct_frame_reg[1].frame_type, nic->g_struct_frame_reg[1].reg);
2027 netif_wake_queue(ndev);
2028 g_linux_wlan->open_ifcs++;
2029 nic->mac_opened = 1;
2030 return 0;
2031
2032_err_:
2033 WILC_WFI_DeInitHostInt(ndev);
2034 wilc1000_wlan_deinit(g_linux_wlan);
2035 return ret;
2036}
2037#else
2038int mac_open(struct net_device *ndev)
2039{
2040
2041 linux_wlan_t *nic;
2042 nic = netdev_priv(ndev);
2043
2044 /*initialize platform*/
2045 if (wilc1000_wlan_init(nic)) {
2046 PRINT_ER("Failed to initialize platform\n");
2047 return 1;
2048 }
2049 /* Start the network interface queue for this device */
2050 PRINT_D(INIT_DBG, "Starting netifQ\n");
2051 netif_start_queue(ndev);
2052/* linux_wlan_lock(&close_exit_sync); */
2053 return 0;
2054}
2055#endif
2056
2057struct net_device_stats *mac_stats(struct net_device *dev)
2058{
2059 perInterface_wlan_t *nic = netdev_priv(dev);
2060
c5c77ba1
JK		 2061 return &nic->netstats;
2062}
2063
2064/* Setup the multicast filter */
c5c77ba1
JK		 2065static void wilc_set_multicast_list(struct net_device *dev)
2066{
2067
2068 struct netdev_hw_addr *ha;
2069 struct WILC_WFI_priv *priv;
2070 tstrWILC_WFIDrv *pstrWFIDrv;
2071 int i = 0;
2072 priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
2073 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
2074
c5c77ba1
JK		 2075 if (!dev)
2076 return;
2077
17aacd43 2078 PRINT_D(INIT_DBG, "Setting Multicast List with count = %d.\n", dev->mc.count);
c5c77ba1
JK		 2079
2080 if (dev->flags & IFF_PROMISC) {
2081 /* Normally, we should configure the chip to retrive all packets
2082 * but we don't wanna support this right now */
2083 /* TODO: add promiscuous mode support */
17aacd43 2084 PRINT_D(INIT_DBG, "Set promiscuous mode ON, retrive all packets\n");
c5c77ba1
JK		 2085 return;
2086 }
2087
2088 /* If there's more addresses than we handle, get all multicast
2089 * packets and sort them out in software. */
2090 if ((dev->flags & IFF_ALLMULTI) || (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) {
2091 PRINT_D(INIT_DBG, "Disable multicast filter, retrive all multicast packets\n");
2092 /* get all multicast packets */
218dc407 2093 host_int_setup_multicast_filter(pstrWFIDrv, false, 0);
c5c77ba1
JK		 2094 return;
2095 }
2096
2097 /* No multicast? Just get our own stuff */
2098 if ((dev->mc.count) == 0) {
2099 PRINT_D(INIT_DBG, "Enable multicast filter, retrive directed packets only.\n");
218dc407 2100 host_int_setup_multicast_filter(pstrWFIDrv, true, 0);
c5c77ba1
JK		 2101 return;
2102 }
2103
2104 /* Store all of the multicast addresses in the hardware filter */
2105 netdev_for_each_mc_addr(ha, dev)
2106 {
d00d2ba3 2107 memcpy(gau8MulticastMacAddrList[i], ha->addr, ETH_ALEN);
c5c77ba1
JK		 2108 PRINT_D(INIT_DBG, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i,
2109 gau8MulticastMacAddrList[i][0], gau8MulticastMacAddrList[i][1], gau8MulticastMacAddrList[i][2], gau8MulticastMacAddrList[i][3], gau8MulticastMacAddrList[i][4], gau8MulticastMacAddrList[i][5]);
2110 i++;
2111 }
2112
218dc407 2113 host_int_setup_multicast_filter(pstrWFIDrv, true, (dev->mc.count));
c5c77ba1
JK		 2114
2115 return;
2116
2117}
2118
c5c77ba1
JK		 2119static void linux_wlan_tx_complete(void *priv, int status)
2120{
2121
2122 struct tx_complete_data *pv_data = (struct tx_complete_data *)priv;
78174ada 2123 if (status == 1)
c5c77ba1 2124 PRINT_D(TX_DBG, "Packet sent successfully - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
78174ada 2125 else
c5c77ba1 2126 PRINT_D(TX_DBG, "Couldn't send packet - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb);
c5c77ba1
JK		 2127 /* Free the SK Buffer, its work is done */
2128 dev_kfree_skb(pv_data->skb);
2129 linux_wlan_free(pv_data);
2130}
2131
2132int mac_xmit(struct sk_buff *skb, struct net_device *ndev)
2133{
2134 perInterface_wlan_t *nic;
2135 struct tx_complete_data *tx_data = NULL;
2136 int QueueCount;
2137 char *pu8UdpBuffer;
2138 struct iphdr *ih;
2139 struct ethhdr *eth_h;
2140 nic = netdev_priv(ndev);
2141
17aacd43 2142 PRINT_D(INT_DBG, "\n========\n IntUH: %d - IntBH: %d - IntCld: %d\n========\n", int_rcvdU, int_rcvdB, int_clrd);
c5c77ba1
JK		 2143 PRINT_D(TX_DBG, "Sending packet just received from TCP/IP\n");
2144
2145 /* Stop the network interface queue */
2146 if (skb->dev != ndev) {
2147 PRINT_ER("Packet not destined to this device\n");
2148 return 0;
2149 }
2150
2151 tx_data = (struct tx_complete_data *)internal_alloc(sizeof(struct tx_complete_data), GFP_ATOMIC);
2152 if (tx_data == NULL) {
2153 PRINT_ER("Failed to allocate memory for tx_data structure\n");
2154 dev_kfree_skb(skb);
2155 netif_wake_queue(ndev);
2156 return 0;
2157 }
2158
2159 tx_data->buff = skb->data;
2160 tx_data->size = skb->len;
2161 tx_data->skb = skb;
2162
2163 eth_h = (struct ethhdr *)(skb->data);
fc4b95d6 2164 if (eth_h->h_proto == 0x8e88)
c5c77ba1 2165 PRINT_D(INIT_DBG, "EAPOL transmitted\n");
c5c77ba1
JK		 2166
2167 /*get source and dest ip addresses*/
2168 ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
2169
2170 pu8UdpBuffer = (char *)ih + sizeof(struct iphdr);
fc4b95d6 2171 if ((pu8UdpBuffer[1] == 68 && pu8UdpBuffer[3] == 67) || (pu8UdpBuffer[1] == 67 && pu8UdpBuffer[3] == 68))
c5c77ba1
JK		 2172 PRINT_D(GENERIC_DBG, "DHCP Message transmitted, type:%x %x %x\n", pu8UdpBuffer[248], pu8UdpBuffer[249], pu8UdpBuffer[250]);
2173
c5c77ba1
JK		 2174 PRINT_D(TX_DBG, "Sending packet - Size = %d - Address = %p - SKB = %p\n", tx_data->size, tx_data->buff, tx_data->skb);
2175
2176 /* Send packet to MAC HW - for now the tx_complete function will be just status
2177 * indicator. still not sure if I need to suspend host transmission till the tx_complete
2178 * function called or not?
2179 * allocated buffer will be freed in tx_complete function.
2180 */
2181 PRINT_D(TX_DBG, "Adding tx packet to TX Queue\n");
2182 nic->netstats.tx_packets++;
2183 nic->netstats.tx_bytes += tx_data->size;
2184 tx_data->pBssid = g_linux_wlan->strInterfaceInfo[nic->u8IfIdx].aBSSID;
2185 #ifndef WILC_FULLY_HOSTING_AP
2186 QueueCount = g_linux_wlan->oup.wlan_add_to_tx_que((void *)tx_data,
2187 tx_data->buff,
2188 tx_data->size,
2189 linux_wlan_tx_complete);
2190 #else
2191 QueueCount = WILC_Xmit_data((void *)tx_data, HOST_TO_WLAN);
2192 #endif /* WILC_FULLY_HOSTING_AP */
2193
c5c77ba1
JK		 2194 if (QueueCount > FLOW_CONTROL_UPPER_THRESHOLD) {
2195 netif_stop_queue(g_linux_wlan->strInterfaceInfo[0].wilc_netdev);
2196 netif_stop_queue(g_linux_wlan->strInterfaceInfo[1].wilc_netdev);
2197 }
2198
2199 return 0;
2200}
2201
c5c77ba1
JK		 2202int mac_close(struct net_device *ndev)
2203{
2204 struct WILC_WFI_priv *priv;
2205 perInterface_wlan_t *nic;
2206 tstrWILC_WFIDrv *pstrWFIDrv;
2207
2208 nic = netdev_priv(ndev);
2209
2210 if ((nic == NULL) || (nic->wilc_netdev == NULL) || (nic->wilc_netdev->ieee80211_ptr == NULL) || (nic->wilc_netdev->ieee80211_ptr->wiphy == NULL)) {
2211 PRINT_ER("nic = NULL\n");
2212 return 0;
2213 }
2214
2215 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2216
2217 if (priv == NULL) {
2218 PRINT_ER("priv = NULL\n");
2219 return 0;
2220 }
2221
2222 pstrWFIDrv = (tstrWILC_WFIDrv *)priv->hWILCWFIDrv;
2223
c5c77ba1
JK		 2224 PRINT_D(GENERIC_DBG, "Mac close\n");
2225
2226 if (g_linux_wlan == NULL) {
2227 PRINT_ER("g_linux_wlan = NULL\n");
2228 return 0;
2229 }
2230
2231 if (pstrWFIDrv == NULL) {
2232 PRINT_ER("pstrWFIDrv = NULL\n");
2233 return 0;
2234 }
2235
2236 if ((g_linux_wlan->open_ifcs) > 0) {
2237 g_linux_wlan->open_ifcs--;
2238 } else {
2239 PRINT_ER("ERROR: MAC close called while number of opened interfaces is zero\n");
2240 return 0;
2241 }
2242
2243 if (nic->wilc_netdev != NULL) {
2244 /* Stop the network interface queue */
2245 netif_stop_queue(nic->wilc_netdev);
2246
2247 #ifdef USE_WIRELESS
2248 WILC_WFI_DeInitHostInt(nic->wilc_netdev);
2249 #endif
2250 }
2251
2252 if (g_linux_wlan->open_ifcs == 0) {
2253 PRINT_D(GENERIC_DBG, "Deinitializing wilc1000\n");
2254 g_linux_wlan->close = 1;
2255 wilc1000_wlan_deinit(g_linux_wlan);
2256 #ifdef USE_WIRELESS
2257 #ifdef WILC_AP_EXTERNAL_MLME
2258 WILC_WFI_deinit_mon_interface();
2259 #endif
2260 #endif
2261 }
2262
2263 linux_wlan_unlock(&close_exit_sync);
2264 nic->mac_opened = 0;
2265
2266 return 0;
2267}
2268
c5c77ba1
JK		 2269int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
2270{
2271
63d03e47 2272 u8 *buff = NULL;
ca356ada 2273 s8 rssi;
4e4467fd 2274 u32 size = 0, length = 0;
c5c77ba1
JK		 2275 perInterface_wlan_t *nic;
2276 struct WILC_WFI_priv *priv;
fb4ec9ca 2277 s32 s32Error = WILC_SUCCESS;
c5c77ba1 2278
c5c77ba1
JK		 2279 /* struct iwreq *wrq = (struct iwreq *) req; // tony moved to case SIOCSIWPRIV */
2280 #ifdef USE_WIRELESS
2281 nic = netdev_priv(ndev);
2282
2283 if (!g_linux_wlan->wilc1000_initialized)
2284 return 0;
2285
2286 #endif
2287
2288 switch (cmd) {
c5c77ba1
JK		 2289
2290 /* ]] 2013-06-24 */
2291 case SIOCSIWPRIV:
2292 {
2293 struct iwreq *wrq = (struct iwreq *) req; /* added by tony */
2294
2295 size = wrq->u.data.length;
2296
2297 if (size && wrq->u.data.pointer) {
c5c77ba1 2298
4a01f1c3
HPGE		 2299 buff = memdup_user(wrq->u.data.pointer, wrq->u.data.length);
2300 if (IS_ERR(buff)) {
2301 s32Error = PTR_ERR(buff);
c5c77ba1
JK		 2302 goto done;
2303 }
2304
2305 if (strncasecmp(buff, "RSSI", length) == 0) {
2306
2307 #ifdef USE_WIRELESS
2308 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy);
2309 s32Error = host_int_get_rssi(priv->hWILCWFIDrv, &(rssi));
2310 if (s32Error)
2311 PRINT_ER("Failed to send get rssi param's message queue ");
2312 #endif
2313 PRINT_INFO(GENERIC_DBG, "RSSI :%d\n", rssi);
2314
2315 /*Rounding up the rssi negative value*/
2316 rssi += 5;
2317
2318 snprintf(buff, size, "rssi %d", rssi);
2319
2320 if (copy_to_user(wrq->u.data.pointer, buff, size)) {
60cb1e20 2321 PRINT_ER("%s: failed to copy data to user buffer\n", __func__);
c5c77ba1
JK		 2322 s32Error = -EFAULT;
2323 goto done;
2324 }
2325 }
2326 }
2327 }
2328 break;
2329
2330 default:
2331 {
2332 PRINT_INFO(GENERIC_DBG, "Command - %d - has been received\n", cmd);
2333 s32Error = -EOPNOTSUPP;
2334 goto done;
2335 }
2336 }
2337
2338done:
2339
642ac6c0 2340 kfree(buff);
c5c77ba1
JK		 2341
2342 return s32Error;
2343}
2344
2345void frmw_to_linux(uint8_t *buff, uint32_t size, uint32_t pkt_offset)
2346{
2347
2348 unsigned int frame_len = 0;
2349 int stats;
2350 unsigned char *buff_to_send = NULL;
2351 struct sk_buff *skb;
7a8fd841 2352#ifndef TCP_ENHANCEMENTS
c5c77ba1
JK		 2353 char *pu8UdpBuffer;
2354 struct iphdr *ih;
7a8fd841 2355#endif
c5c77ba1
JK		 2356 struct net_device *wilc_netdev;
2357 perInterface_wlan_t *nic;
2358
2359 wilc_netdev = GetIfHandler(buff);
2360 if (wilc_netdev == NULL)
2361 return;
2362
2363 buff += pkt_offset;
2364 nic = netdev_priv(wilc_netdev);
2365
2366 if (size > 0) {
2367
2368 frame_len = size;
2369 buff_to_send = buff;
2370
c5c77ba1
JK		 2371 /* Need to send the packet up to the host, allocate a skb buffer */
2372 skb = dev_alloc_skb(frame_len);
2373 if (skb == NULL) {
2374 PRINT_ER("Low memory - packet droped\n");
2375 return;
2376 }
2377
2378 skb_reserve(skb, (unsigned int)skb->data & 0x3);
2379
fc4b95d6 2380 if (g_linux_wlan == NULL || wilc_netdev == NULL)
c5c77ba1 2381 PRINT_ER("wilc_netdev in g_linux_wlan is NULL");
c5c77ba1
JK		 2382 skb->dev = wilc_netdev;
2383
fc4b95d6 2384 if (skb->dev == NULL)
c5c77ba1 2385 PRINT_ER("skb->dev is NULL\n");
c5c77ba1
JK		 2386
2387 /*
2388 * for(i=0;i<40;i++)
2389 * {
2390 * if(i<frame_len)
2391 * WILC_PRINTF("buff_to_send[%d]=%2x\n",i,buff_to_send[i]);
2392 *
2393 * }*/
2394
2395 /* skb_put(skb, frame_len); */
2396 memcpy(skb_put(skb, frame_len), buff_to_send, frame_len);
2397
2398 /* WILC_PRINTF("After MEM_CPY\n"); */
2399
2400 /* nic = netdev_priv(wilc_netdev); */
2401
2402#ifdef USE_WIRELESS
2403 /* if(nic->monitor_flag)
2404 * {
2405 * WILC_WFI_monitor_rx(nic->wilc_netdev,skb);
2406 * return;
2407 * }*/
2408#endif
2409 skb->protocol = eth_type_trans(skb, wilc_netdev);
2410 #ifndef TCP_ENHANCEMENTS
2411 /*get source and dest ip addresses*/
2412 ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr));
2413
2414 pu8UdpBuffer = (char *)ih + sizeof(struct iphdr);
fc4b95d6 2415 if (buff_to_send[35] == 67 && buff_to_send[37] == 68)
c5c77ba1 2416 PRINT_D(RX_DBG, "DHCP Message received\n");
c5c77ba1
JK		 2417 if (buff_to_send[12] == 0x88 && buff_to_send[13] == 0x8e)
2418 PRINT_D(GENERIC_DBG, "eapol received\n");
2419 #endif
2420 /* Send the packet to the stack by giving it to the bridge */
2421 nic->netstats.rx_packets++;
2422 nic->netstats.rx_bytes += frame_len;
2423 skb->ip_summed = CHECKSUM_UNNECESSARY;
2424 stats = netif_rx(skb);
2425 PRINT_D(RX_DBG, "netif_rx ret value is: %d\n", stats);
2426 }
2427 #ifndef TCP_ENHANCEMENTS
fc4b95d6 2428 else
c5c77ba1 2429 PRINT_ER("Discard sending packet with len = %d\n", size);
c5c77ba1
JK		 2430 #endif
2431}
2432
2433void WILC_WFI_mgmt_rx(uint8_t *buff, uint32_t size)
2434{
2435 int i = 0;
2436 perInterface_wlan_t *nic;
2437
2438 /*BugID_5450*/
2439 /*Pass the frame on the monitor interface, if any.*/
2440 /*Otherwise, pass it on p2p0 netdev, if registered on it*/
2441 for (i = 0; i < g_linux_wlan->u8NoIfcs; i++) {
2442 nic = netdev_priv(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2443 if (nic->monitor_flag) {
2444 WILC_WFI_monitor_rx(buff, size);
2445 return;
2446 }
2447 }
2448
2449 #ifdef WILC_P2P
2450 nic = netdev_priv(g_linux_wlan->strInterfaceInfo[1].wilc_netdev); /* p2p0 */
2451 if ((buff[0] == nic->g_struct_frame_reg[0].frame_type && nic->g_struct_frame_reg[0].reg) ||
fc4b95d6 2452 (buff[0] == nic->g_struct_frame_reg[1].frame_type && nic->g_struct_frame_reg[1].reg))
c5c77ba1 2453 WILC_WFI_p2p_rx(g_linux_wlan->strInterfaceInfo[1].wilc_netdev, buff, size);
c5c77ba1
JK		 2454 #endif
2455}
2456
2457int wilc_netdev_init(void)
2458{
2459
2460 int i;
2461 perInterface_wlan_t *nic;
2462 struct net_device *ndev;
2463
2464 linux_wlan_init_lock("close_exit_sync", &close_exit_sync, 0);
2465
2466 /*create the common structure*/
dc0ad74b 2467 g_linux_wlan = WILC_MALLOC(sizeof(linux_wlan_t));
c5c77ba1
JK		 2468 memset(g_linux_wlan, 0, sizeof(linux_wlan_t));
2469
2470 /*Reset interrupt count debug*/
2471 int_rcvdU = 0;
2472 int_rcvdB = 0;
2473 int_clrd = 0;
2474 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
2475 register_inetaddr_notifier(&g_dev_notifier);
2476 #endif
2477
2478 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2479 /*allocate first ethernet device with perinterface_wlan_t as its private data*/
2480 ndev = alloc_etherdev(sizeof(perInterface_wlan_t));
2481 if (!ndev) {
2482 PRINT_ER("Failed to allocate ethernet dev\n");
2483 return -1;
2484 }
2485
2486 nic = netdev_priv(ndev);
2487 memset(nic, 0, sizeof(perInterface_wlan_t));
2488
2489 /*Name the Devices*/
2490 if (i == 0) {
2491 #if defined(NM73131) /* tony, 2012-09-20 */
2492 strcpy(ndev->name, "wilc_eth%d");
2493 #elif defined(PLAT_CLM9722) /* rachel */
2494 strcpy(ndev->name, "eth%d");
2495 #else /* PANDA_BOARD, PLAT_ALLWINNER_A10, PLAT_ALLWINNER_A20, PLAT_ALLWINNER_A31, PLAT_AML8726_M3 or PLAT_WMS8304 */
2496 strcpy(ndev->name, "wlan%d");
2497 #endif
2498 } else
2499 strcpy(ndev->name, "p2p%d");
2500
2501 nic->u8IfIdx = g_linux_wlan->u8NoIfcs;
2502 nic->wilc_netdev = ndev;
2503 g_linux_wlan->strInterfaceInfo[g_linux_wlan->u8NoIfcs].wilc_netdev = ndev;
2504 g_linux_wlan->u8NoIfcs++;
e5af0561 2505 ndev->netdev_ops = &wilc_netdev_ops;
c5c77ba1
JK		 2506
2507 #ifdef USE_WIRELESS
2508 {
2509 struct wireless_dev *wdev;
2510 /*Register WiFi*/
2511 wdev = WILC_WFI_WiphyRegister(ndev);
2512
2513 #ifdef WILC_SDIO
2514 /* set netdev, tony */
2515 SET_NETDEV_DEV(ndev, &local_sdio_func->dev);
2516 #endif
2517
2518 if (wdev == NULL) {
2519 PRINT_ER("Can't register WILC Wiphy\n");
2520 return -1;
2521 }
2522
2523 /*linking the wireless_dev structure with the netdevice*/
2524 nic->wilc_netdev->ieee80211_ptr = wdev;
2525 nic->wilc_netdev->ml_priv = nic;
2526 wdev->netdev = nic->wilc_netdev;
2527 nic->netstats.rx_packets = 0;
2528 nic->netstats.tx_packets = 0;
2529 nic->netstats.rx_bytes = 0;
2530 nic->netstats.tx_bytes = 0;
2531
2532 }
2533 #endif
2534
c5c77ba1
JK		 2535 if (register_netdev(ndev)) {
2536 PRINT_ER("Device couldn't be registered - %s\n", ndev->name);
2537 return -1; /* ERROR */
2538 }
2539
2540 nic->iftype = STATION_MODE;
2541 nic->mac_opened = 0;
2542
2543 }
2544
2545 #ifndef WILC_SDIO
2546 if (!linux_spi_init(&g_linux_wlan->wilc_spidev)) {
17aacd43 2547 PRINT_ER("Can't initialize SPI\n");
c5c77ba1
JK		 2548 return -1; /* ERROR */
2549 }
2550 g_linux_wlan->wilc_spidev = wilc_spi_dev;
2551 #else
2552 g_linux_wlan->wilc_sdio_func = local_sdio_func;
2553 #endif
2554
2555 return 0;
2556}
2557
c5c77ba1
JK		 2558/*The 1st function called after module inserted*/
2559static int __init init_wilc_driver(void)
2560{
33694632 2561#if defined(WILC_DEBUGFS)
c5c77ba1
JK		 2562 if (wilc_debugfs_init() < 0) {
2563 PRINT_D(GENERIC_DBG, "fail to create debugfs for wilc driver\n");
2564 return -1;
2565 }
2566#endif
2567
2568 printk("IN INIT FUNCTION\n");
691f1a2f 2569 printk("*** WILC1000 driver VERSION=[10.2] FW_VER=[10.2] ***\n");
c5c77ba1
JK		 2570
2571 linux_wlan_device_power(1);
2572 msleep(100);
2573 linux_wlan_device_detection(1);
2574
2575#ifdef WILC_SDIO
2576 {
2577 int ret;
2578
2579 ret = sdio_register_driver(&wilc_bus);
fc4b95d6 2580 if (ret < 0)
c5c77ba1 2581 PRINT_D(INIT_DBG, "init_wilc_driver: Failed register sdio driver\n");
c5c77ba1
JK		 2582
2583 return ret;
2584 }
2585#else
2586 PRINT_D(INIT_DBG, "Initializing netdev\n");
fc4b95d6 2587 if (wilc_netdev_init())
c5c77ba1 2588 PRINT_ER("Couldn't initialize netdev\n");
c5c77ba1
JK		 2589 return 0;
2590#endif
2591}
2592late_initcall(init_wilc_driver);
2593
2594static void __exit exit_wilc_driver(void)
2595{
2596 int i = 0;
842f1d71 2597 perInterface_wlan_t *nic[NUM_CONCURRENT_IFC] = {NULL,};
c5c77ba1
JK		 2598 #define CLOSE_TIMEOUT (12 * 1000)
2599
2600 if ((g_linux_wlan != NULL) && (((g_linux_wlan->strInterfaceInfo[0].wilc_netdev) != NULL)
2601 || ((g_linux_wlan->strInterfaceInfo[1].wilc_netdev) != NULL))) {
2602 #ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
2603 unregister_inetaddr_notifier(&g_dev_notifier);
2604 #endif
2605
fc4b95d6 2606 for (i = 0; i < NUM_CONCURRENT_IFC; i++)
c5c77ba1 2607 nic[i] = netdev_priv(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
c5c77ba1
JK		 2608 }
2609
c5c77ba1
JK		 2610 if ((g_linux_wlan != NULL) && g_linux_wlan->wilc_firmware != NULL) {
2611 release_firmware(g_linux_wlan->wilc_firmware);
2612 g_linux_wlan->wilc_firmware = NULL;
2613 }
2614
c5c77ba1
JK		 2615 if ((g_linux_wlan != NULL) && (((g_linux_wlan->strInterfaceInfo[0].wilc_netdev) != NULL)
2616 || ((g_linux_wlan->strInterfaceInfo[1].wilc_netdev) != NULL))) {
2617 PRINT_D(INIT_DBG, "Waiting for mac_close ....\n");
2618
2619 if (linux_wlan_lock_timeout(&close_exit_sync, CLOSE_TIMEOUT) < 0)
2620 PRINT_D(INIT_DBG, "Closed TimedOUT\n");
2621 else
2622 PRINT_D(INIT_DBG, "mac_closed\n");
2623
c5c77ba1
JK		 2624 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
2625 /* close all opened interfaces */
2626 if (g_linux_wlan->strInterfaceInfo[i].wilc_netdev != NULL) {
fc4b95d6 2627 if (nic[i]->mac_opened)
c5c77ba1 2628 mac_close(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
c5c77ba1
JK		 2629 }
2630 }
2631 for (i = 0; i < NUM_CONCURRENT_IFC; i++) {
17aacd43 2632 PRINT_D(INIT_DBG, "Unregistering netdev %p\n", g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
c5c77ba1
JK		 2633 unregister_netdev(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2634 #ifdef USE_WIRELESS
2635 PRINT_D(INIT_DBG, "Freeing Wiphy...\n");
2636 WILC_WFI_WiphyFree(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2637 #endif
2638 PRINT_D(INIT_DBG, "Freeing netdev...\n");
2639 free_netdev(g_linux_wlan->strInterfaceInfo[i].wilc_netdev);
2640 }
2641 }
2642
c5c77ba1
JK		 2643#ifdef USE_WIRELESS
2644#ifdef WILC_AP_EXTERNAL_MLME
2645 /* Bug 4600 : WILC_WFI_deinit_mon_interface was already called at mac_close */
2646 /* WILC_WFI_deinit_mon_interface(); */
2647#endif
2648#endif
2649
2650 /* if(g_linux_wlan->open_ifcs==0) */
2651 {
2652 #ifndef WILC_SDIO
2653 PRINT_D(INIT_DBG, "SPI unregsiter...\n");
2654 spi_unregister_driver(&wilc_bus);
2655 #else
2656 PRINT_D(INIT_DBG, "SDIO unregsiter...\n");
2657 sdio_unregister_driver(&wilc_bus);
2658 #endif
2659
2660 linux_wlan_deinit_lock(&close_exit_sync);
2661 if (g_linux_wlan != NULL) {
49188af2 2662 kfree(g_linux_wlan);
c5c77ba1
JK		 2663 g_linux_wlan = NULL;
2664 }
2665 printk("Module_exit Done.\n");
2666
33694632 2667#if defined(WILC_DEBUGFS)
c5c77ba1
JK		 2668 wilc_debugfs_remove();
2669#endif
2670
2671 linux_wlan_device_detection(0);
2672 linux_wlan_device_power(0);
2673 }
2674}
2675module_exit(exit_wilc_driver);
2676
2677MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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