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cf2b4488 HP |
1 | /* |
2 | * Copyright (c) 2010 Broadcom Corporation | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | #ifdef CONFIG_WIFI_CONTROL_FUNC | |
18 | #include <linux/platform_device.h> | |
19 | #endif | |
20 | #include <typedefs.h> | |
21 | #include <linuxver.h> | |
22 | #include <osl.h> | |
23 | ||
24 | #include <linux/init.h> | |
25 | #include <linux/kernel.h> | |
26 | #include <linux/slab.h> | |
27 | #include <linux/skbuff.h> | |
28 | #include <linux/netdevice.h> | |
29 | #include <linux/etherdevice.h> | |
30 | #include <linux/random.h> | |
31 | #include <linux/spinlock.h> | |
32 | #include <linux/ethtool.h> | |
33 | #include <linux/fcntl.h> | |
34 | #include <linux/fs.h> | |
35 | ||
36 | #include <asm/uaccess.h> | |
37 | #include <asm/unaligned.h> | |
38 | #include <bcmutils.h> | |
39 | #include <bcmendian.h> | |
40 | ||
41 | #include <proto/ethernet.h> | |
42 | #include <dngl_stats.h> | |
43 | #include <dhd.h> | |
44 | #include <dhd_bus.h> | |
45 | #include <dhd_proto.h> | |
46 | #include <dhd_dbg.h> | |
47 | ||
48 | #ifdef CONFIG_CFG80211 | |
49 | #include <wl_cfg80211.h> | |
50 | #endif | |
51 | ||
52 | #define EPI_VERSION_STR "4.218.248.5" | |
53 | ||
54 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
55 | #include <linux/wifi_tiwlan.h> | |
56 | ||
57 | struct semaphore wifi_control_sem; | |
58 | ||
59 | struct dhd_bus *g_bus; | |
60 | ||
61 | static struct wifi_platform_data *wifi_control_data = NULL; | |
62 | static struct resource *wifi_irqres = NULL; | |
63 | ||
64 | int wifi_get_irq_number(unsigned long *irq_flags_ptr) | |
65 | { | |
66 | if (wifi_irqres) { | |
67 | *irq_flags_ptr = wifi_irqres->flags & IRQF_TRIGGER_MASK; | |
68 | return (int)wifi_irqres->start; | |
69 | } | |
70 | #ifdef CUSTOM_OOB_GPIO_NUM | |
71 | return CUSTOM_OOB_GPIO_NUM; | |
72 | #else | |
73 | return -1; | |
74 | #endif | |
75 | } | |
76 | ||
77 | int wifi_set_carddetect(int on) | |
78 | { | |
79 | printk(KERN_ERR "%s = %d\n", __func__, on); | |
80 | if (wifi_control_data && wifi_control_data->set_carddetect) | |
81 | wifi_control_data->set_carddetect(on); | |
82 | return 0; | |
83 | } | |
84 | ||
85 | int wifi_set_power(int on, unsigned long msec) | |
86 | { | |
87 | printk(KERN_ERR "%s = %d\n", __func__, on); | |
88 | if (wifi_control_data && wifi_control_data->set_power) | |
89 | wifi_control_data->set_power(on); | |
90 | if (msec) | |
91 | mdelay(msec); | |
92 | return 0; | |
93 | } | |
94 | ||
95 | int wifi_set_reset(int on, unsigned long msec) | |
96 | { | |
97 | printk(KERN_ERR "%s = %d\n", __func__, on); | |
98 | if (wifi_control_data && wifi_control_data->set_reset) | |
99 | wifi_control_data->set_reset(on); | |
100 | if (msec) | |
101 | mdelay(msec); | |
102 | return 0; | |
103 | } | |
104 | ||
105 | static int wifi_probe(struct platform_device *pdev) | |
106 | { | |
107 | struct wifi_platform_data *wifi_ctrl = | |
108 | (struct wifi_platform_data *)(pdev->dev.platform_data); | |
109 | ||
110 | printk(KERN_ERR "## %s\n", __func__); | |
111 | wifi_irqres = | |
112 | platform_get_resource_byname(pdev, IORESOURCE_IRQ, | |
113 | "bcm4329_wlan_irq"); | |
114 | wifi_control_data = wifi_ctrl; | |
115 | ||
116 | wifi_set_power(1, 0); /* Power On */ | |
117 | wifi_set_carddetect(1); /* CardDetect (0->1) */ | |
118 | ||
119 | up(&wifi_control_sem); | |
120 | return 0; | |
121 | } | |
122 | ||
123 | static int wifi_remove(struct platform_device *pdev) | |
124 | { | |
125 | struct wifi_platform_data *wifi_ctrl = | |
126 | (struct wifi_platform_data *)(pdev->dev.platform_data); | |
127 | ||
128 | printk(KERN_ERR "## %s\n", __func__); | |
129 | wifi_control_data = wifi_ctrl; | |
130 | ||
131 | wifi_set_carddetect(0); /* CardDetect (1->0) */ | |
132 | wifi_set_power(0, 0); /* Power Off */ | |
133 | ||
134 | up(&wifi_control_sem); | |
135 | return 0; | |
136 | } | |
137 | ||
138 | static int wifi_suspend(struct platform_device *pdev, pm_message_t state) | |
139 | { | |
140 | DHD_TRACE(("##> %s\n", __func__)); | |
141 | return 0; | |
142 | } | |
143 | ||
144 | static int wifi_resume(struct platform_device *pdev) | |
145 | { | |
146 | DHD_TRACE(("##> %s\n", __func__)); | |
147 | return 0; | |
148 | } | |
149 | ||
150 | static struct platform_driver wifi_device = { | |
151 | .probe = wifi_probe, | |
152 | .remove = wifi_remove, | |
153 | .suspend = wifi_suspend, | |
154 | .resume = wifi_resume, | |
155 | .driver = { | |
156 | .name = "bcm4329_wlan", | |
157 | } | |
158 | }; | |
159 | ||
160 | int wifi_add_dev(void) | |
161 | { | |
162 | DHD_TRACE(("## Calling platform_driver_register\n")); | |
163 | return platform_driver_register(&wifi_device); | |
164 | } | |
165 | ||
166 | void wifi_del_dev(void) | |
167 | { | |
168 | DHD_TRACE(("## Unregister platform_driver_register\n")); | |
169 | platform_driver_unregister(&wifi_device); | |
170 | } | |
171 | #endif /* defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ | |
172 | ||
173 | #if defined(CONFIG_PM_SLEEP) | |
174 | #include <linux/suspend.h> | |
175 | volatile bool dhd_mmc_suspend = FALSE; | |
176 | DECLARE_WAIT_QUEUE_HEAD(dhd_dpc_wait); | |
177 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
178 | ||
179 | #if defined(OOB_INTR_ONLY) | |
180 | extern void dhd_enable_oob_intr(struct dhd_bus *bus, bool enable); | |
181 | #endif /* defined(OOB_INTR_ONLY) */ | |
182 | ||
183 | MODULE_AUTHOR("Broadcom Corporation"); | |
184 | MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac driver."); | |
185 | MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac cards"); | |
186 | MODULE_LICENSE("Dual BSD/GPL"); | |
187 | ||
188 | /* Linux wireless extension support */ | |
189 | #if defined(CONFIG_WIRELESS_EXT) | |
190 | #include <wl_iw.h> | |
191 | extern wl_iw_extra_params_t g_wl_iw_params; | |
192 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
193 | ||
194 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
195 | #include <linux/earlysuspend.h> | |
196 | extern int dhdcdc_set_ioctl(dhd_pub_t *dhd, int ifidx, uint cmd, void *buf, | |
197 | uint len); | |
198 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
199 | ||
200 | #ifdef PKT_FILTER_SUPPORT | |
201 | extern void dhd_pktfilter_offload_set(dhd_pub_t *dhd, char *arg); | |
202 | extern void dhd_pktfilter_offload_enable(dhd_pub_t *dhd, char *arg, int enable, | |
203 | int master_mode); | |
204 | #endif | |
205 | ||
206 | /* Interface control information */ | |
207 | typedef struct dhd_if { | |
208 | struct dhd_info *info; /* back pointer to dhd_info */ | |
209 | /* OS/stack specifics */ | |
210 | struct net_device *net; | |
211 | struct net_device_stats stats; | |
212 | int idx; /* iface idx in dongle */ | |
213 | int state; /* interface state */ | |
214 | uint subunit; /* subunit */ | |
215 | uint8 mac_addr[ETHER_ADDR_LEN]; /* assigned MAC address */ | |
216 | bool attached; /* Delayed attachment when unset */ | |
217 | bool txflowcontrol; /* Per interface flow control indicator */ | |
218 | char name[IFNAMSIZ + 1]; /* linux interface name */ | |
219 | } dhd_if_t; | |
220 | ||
221 | /* Local private structure (extension of pub) */ | |
222 | typedef struct dhd_info { | |
223 | #if defined(CONFIG_WIRELESS_EXT) | |
224 | wl_iw_t iw; /* wireless extensions state (must be first) */ | |
225 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
226 | ||
227 | dhd_pub_t pub; | |
228 | ||
229 | /* OS/stack specifics */ | |
230 | dhd_if_t *iflist[DHD_MAX_IFS]; | |
231 | ||
232 | struct semaphore proto_sem; | |
233 | wait_queue_head_t ioctl_resp_wait; | |
234 | struct timer_list timer; | |
235 | bool wd_timer_valid; | |
236 | struct tasklet_struct tasklet; | |
237 | spinlock_t sdlock; | |
238 | spinlock_t txqlock; | |
239 | /* Thread based operation */ | |
240 | bool threads_only; | |
241 | struct semaphore sdsem; | |
242 | long watchdog_pid; | |
243 | struct semaphore watchdog_sem; | |
244 | struct completion watchdog_exited; | |
245 | long dpc_pid; | |
246 | struct semaphore dpc_sem; | |
247 | struct completion dpc_exited; | |
248 | ||
249 | /* Thread to issue ioctl for multicast */ | |
250 | long sysioc_pid; | |
251 | struct semaphore sysioc_sem; | |
252 | struct completion sysioc_exited; | |
253 | bool set_multicast; | |
254 | bool set_macaddress; | |
255 | struct ether_addr macvalue; | |
256 | wait_queue_head_t ctrl_wait; | |
257 | atomic_t pend_8021x_cnt; | |
258 | ||
259 | #ifdef CONFIG_HAS_EARLYSUSPEND | |
260 | struct early_suspend early_suspend; | |
261 | #endif /* CONFIG_HAS_EARLYSUSPEND */ | |
262 | } dhd_info_t; | |
263 | ||
264 | /* Definitions to provide path to the firmware and nvram | |
265 | * example nvram_path[MOD_PARAM_PATHLEN]="/projects/wlan/nvram.txt" | |
266 | */ | |
267 | char firmware_path[MOD_PARAM_PATHLEN]; | |
268 | char nvram_path[MOD_PARAM_PATHLEN]; | |
269 | ||
270 | /* load firmware and/or nvram values from the filesystem */ | |
271 | module_param_string(firmware_path, firmware_path, MOD_PARAM_PATHLEN, 0); | |
272 | module_param_string(nvram_path, nvram_path, MOD_PARAM_PATHLEN, 0); | |
273 | ||
274 | /* Error bits */ | |
275 | module_param(dhd_msg_level, int, 0); | |
276 | ||
277 | /* Spawn a thread for system ioctls (set mac, set mcast) */ | |
278 | uint dhd_sysioc = TRUE; | |
279 | module_param(dhd_sysioc, uint, 0); | |
280 | ||
281 | /* Watchdog interval */ | |
282 | uint dhd_watchdog_ms = 10; | |
283 | module_param(dhd_watchdog_ms, uint, 0); | |
284 | ||
285 | #ifdef DHD_DEBUG | |
286 | /* Console poll interval */ | |
287 | uint dhd_console_ms = 0; | |
288 | module_param(dhd_console_ms, uint, 0); | |
289 | #endif /* DHD_DEBUG */ | |
290 | ||
291 | /* ARP offload agent mode : Enable ARP Host Auto-Reply | |
292 | and ARP Peer Auto-Reply */ | |
293 | uint dhd_arp_mode = 0xb; | |
294 | module_param(dhd_arp_mode, uint, 0); | |
295 | ||
296 | /* ARP offload enable */ | |
297 | uint dhd_arp_enable = TRUE; | |
298 | module_param(dhd_arp_enable, uint, 0); | |
299 | ||
300 | /* Global Pkt filter enable control */ | |
301 | uint dhd_pkt_filter_enable = TRUE; | |
302 | module_param(dhd_pkt_filter_enable, uint, 0); | |
303 | ||
304 | /* Pkt filter init setup */ | |
305 | uint dhd_pkt_filter_init = 0; | |
306 | module_param(dhd_pkt_filter_init, uint, 0); | |
307 | ||
308 | /* Pkt filter mode control */ | |
309 | uint dhd_master_mode = TRUE; | |
310 | module_param(dhd_master_mode, uint, 1); | |
311 | ||
312 | /* Watchdog thread priority, -1 to use kernel timer */ | |
313 | int dhd_watchdog_prio = 97; | |
314 | module_param(dhd_watchdog_prio, int, 0); | |
315 | ||
316 | /* DPC thread priority, -1 to use tasklet */ | |
317 | int dhd_dpc_prio = 98; | |
318 | module_param(dhd_dpc_prio, int, 0); | |
319 | ||
320 | /* DPC thread priority, -1 to use tasklet */ | |
321 | extern int dhd_dongle_memsize; | |
322 | module_param(dhd_dongle_memsize, int, 0); | |
323 | ||
324 | /* Contorl fw roaming */ | |
325 | #ifdef CUSTOMER_HW2 | |
326 | uint dhd_roam = 0; | |
327 | #else | |
328 | uint dhd_roam = 1; | |
329 | #endif | |
330 | ||
331 | /* Control radio state */ | |
332 | uint dhd_radio_up = 1; | |
333 | ||
334 | /* Network inteface name */ | |
335 | char iface_name[IFNAMSIZ]; | |
336 | module_param_string(iface_name, iface_name, IFNAMSIZ, 0); | |
337 | ||
338 | #define DAEMONIZE(a) daemonize(a); \ | |
339 | allow_signal(SIGKILL); \ | |
340 | allow_signal(SIGTERM); | |
341 | ||
342 | #define BLOCKABLE() (!in_atomic()) | |
343 | ||
344 | /* The following are specific to the SDIO dongle */ | |
345 | ||
346 | /* IOCTL response timeout */ | |
347 | int dhd_ioctl_timeout_msec = IOCTL_RESP_TIMEOUT; | |
348 | ||
349 | /* Idle timeout for backplane clock */ | |
350 | int dhd_idletime = DHD_IDLETIME_TICKS; | |
351 | module_param(dhd_idletime, int, 0); | |
352 | ||
353 | /* Use polling */ | |
354 | uint dhd_poll = FALSE; | |
355 | module_param(dhd_poll, uint, 0); | |
356 | ||
357 | #ifdef CONFIG_CFG80211 | |
358 | /* Use cfg80211 */ | |
359 | uint dhd_cfg80211 = TRUE; | |
360 | module_param(dhd_cfg80211, uint, 0); | |
361 | #endif | |
362 | ||
363 | /* Use interrupts */ | |
364 | uint dhd_intr = TRUE; | |
365 | module_param(dhd_intr, uint, 0); | |
366 | ||
367 | /* SDIO Drive Strength (in milliamps) */ | |
368 | uint dhd_sdiod_drive_strength = 6; | |
369 | module_param(dhd_sdiod_drive_strength, uint, 0); | |
370 | ||
371 | /* Tx/Rx bounds */ | |
372 | extern uint dhd_txbound; | |
373 | extern uint dhd_rxbound; | |
374 | module_param(dhd_txbound, uint, 0); | |
375 | module_param(dhd_rxbound, uint, 0); | |
376 | ||
377 | /* Deferred transmits */ | |
378 | extern uint dhd_deferred_tx; | |
379 | module_param(dhd_deferred_tx, uint, 0); | |
380 | ||
381 | #ifdef SDTEST | |
382 | /* Echo packet generator (pkts/s) */ | |
383 | uint dhd_pktgen = 0; | |
384 | module_param(dhd_pktgen, uint, 0); | |
385 | ||
386 | /* Echo packet len (0 => sawtooth, max 2040) */ | |
387 | uint dhd_pktgen_len = 0; | |
388 | module_param(dhd_pktgen_len, uint, 0); | |
389 | #endif | |
390 | ||
391 | #ifdef CONFIG_CFG80211 | |
392 | #define FAVORITE_WIFI_CP (!!dhd_cfg80211) | |
393 | #define IS_CFG80211_FAVORITE() FAVORITE_WIFI_CP | |
394 | #define DBG_CFG80211_GET() ((dhd_cfg80211 & WL_DBG_MASK) >> 1) | |
395 | #define NO_FW_REQ() (dhd_cfg80211 & 0x80) | |
396 | #endif | |
397 | ||
398 | /* Version string to report */ | |
399 | #ifdef DHD_DEBUG | |
400 | #define DHD_COMPILED "\nCompiled in " SRCBASE | |
401 | #else | |
402 | #define DHD_COMPILED | |
403 | #endif | |
404 | ||
405 | static char dhd_version[] = "Dongle Host Driver, version " EPI_VERSION_STR | |
406 | #ifdef DHD_DEBUG | |
407 | "\nCompiled in " " on " __DATE__ " at " __TIME__ | |
408 | #endif | |
409 | ; | |
410 | ||
411 | #if defined(CONFIG_WIRELESS_EXT) | |
412 | struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev); | |
413 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
414 | ||
415 | static void dhd_dpc(ulong data); | |
416 | /* forward decl */ | |
417 | extern int dhd_wait_pend8021x(struct net_device *dev); | |
418 | ||
419 | #ifdef TOE | |
420 | #ifndef BDC | |
421 | #error TOE requires BDC | |
422 | #endif /* !BDC */ | |
423 | static int dhd_toe_get(dhd_info_t *dhd, int idx, uint32 *toe_ol); | |
424 | static int dhd_toe_set(dhd_info_t *dhd, int idx, uint32 toe_ol); | |
425 | #endif /* TOE */ | |
426 | ||
427 | static int dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, | |
428 | wl_event_msg_t *event_ptr, void **data_ptr); | |
429 | ||
430 | #if defined(CONFIG_PM_SLEEP) | |
431 | static int dhd_sleep_pm_callback(struct notifier_block *nfb, | |
432 | unsigned long action, void *ignored) | |
433 | { | |
434 | switch (action) { | |
435 | case PM_HIBERNATION_PREPARE: | |
436 | case PM_SUSPEND_PREPARE: | |
437 | dhd_mmc_suspend = TRUE; | |
438 | return NOTIFY_OK; | |
439 | case PM_POST_HIBERNATION: | |
440 | case PM_POST_SUSPEND: | |
441 | dhd_mmc_suspend = FALSE; | |
442 | return NOTIFY_OK; | |
443 | } | |
444 | return 0; | |
445 | } | |
446 | ||
447 | static struct notifier_block dhd_sleep_pm_notifier = { | |
448 | .notifier_call = dhd_sleep_pm_callback, | |
449 | .priority = 0 | |
450 | }; | |
451 | ||
452 | extern int register_pm_notifier(struct notifier_block *nb); | |
453 | extern int unregister_pm_notifier(struct notifier_block *nb); | |
454 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
455 | /* && defined(DHD_GPL) */ | |
456 | static void dhd_set_packet_filter(int value, dhd_pub_t *dhd) | |
457 | { | |
458 | #ifdef PKT_FILTER_SUPPORT | |
459 | DHD_TRACE(("%s: %d\n", __func__, value)); | |
460 | /* 1 - Enable packet filter, only allow unicast packet to send up */ | |
461 | /* 0 - Disable packet filter */ | |
462 | if (dhd_pkt_filter_enable) { | |
463 | int i; | |
464 | ||
465 | for (i = 0; i < dhd->pktfilter_count; i++) { | |
466 | dhd_pktfilter_offload_set(dhd, dhd->pktfilter[i]); | |
467 | dhd_pktfilter_offload_enable(dhd, dhd->pktfilter[i], | |
468 | value, dhd_master_mode); | |
469 | } | |
470 | } | |
471 | #endif | |
472 | } | |
473 | ||
474 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
475 | static int dhd_set_suspend(int value, dhd_pub_t *dhd) | |
476 | { | |
477 | int power_mode = PM_MAX; | |
478 | /* wl_pkt_filter_enable_t enable_parm; */ | |
479 | char iovbuf[32]; | |
480 | int bcn_li_dtim = 3; | |
481 | #ifdef CUSTOMER_HW2 | |
482 | uint roamvar = 1; | |
483 | #endif /* CUSTOMER_HW2 */ | |
484 | ||
485 | DHD_TRACE(("%s: enter, value = %d in_suspend=%d\n", | |
486 | __func__, value, dhd->in_suspend)); | |
487 | ||
488 | if (dhd && dhd->up) { | |
489 | if (value && dhd->in_suspend) { | |
490 | ||
491 | /* Kernel suspended */ | |
492 | DHD_TRACE(("%s: force extra Suspend setting\n", | |
493 | __func__)); | |
494 | ||
495 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, | |
496 | (char *)&power_mode, | |
497 | sizeof(power_mode)); | |
498 | ||
499 | /* Enable packet filter, only allow unicast | |
500 | packet to send up */ | |
501 | dhd_set_packet_filter(1, dhd); | |
502 | ||
503 | /* if dtim skip setup as default force it | |
504 | * to wake each thrid dtim | |
505 | * for better power saving. | |
506 | * Note that side effect is chance to miss BC/MC | |
507 | * packet | |
508 | */ | |
509 | if ((dhd->dtim_skip == 0) || (dhd->dtim_skip == 1)) | |
510 | bcn_li_dtim = 3; | |
511 | else | |
512 | bcn_li_dtim = dhd->dtim_skip; | |
513 | bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim, | |
514 | 4, iovbuf, sizeof(iovbuf)); | |
515 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
516 | sizeof(iovbuf)); | |
517 | #ifdef CUSTOMER_HW2 | |
518 | /* Disable build-in roaming to allowed \ | |
519 | * supplicant to take of romaing | |
520 | */ | |
521 | bcm_mkiovar("roam_off", (char *)&roamvar, 4, | |
522 | iovbuf, sizeof(iovbuf)); | |
523 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
524 | sizeof(iovbuf)); | |
525 | #endif /* CUSTOMER_HW2 */ | |
526 | } else { | |
527 | ||
528 | /* Kernel resumed */ | |
529 | DHD_TRACE(("%s: Remove extra suspend setting\n", | |
530 | __func__)); | |
531 | ||
532 | power_mode = PM_FAST; | |
533 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, | |
534 | (char *)&power_mode, | |
535 | sizeof(power_mode)); | |
536 | ||
537 | /* disable pkt filter */ | |
538 | dhd_set_packet_filter(0, dhd); | |
539 | ||
540 | /* restore pre-suspend setting for dtim_skip */ | |
541 | bcm_mkiovar("bcn_li_dtim", (char *)&dhd->dtim_skip, | |
542 | 4, iovbuf, sizeof(iovbuf)); | |
543 | ||
544 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
545 | sizeof(iovbuf)); | |
546 | #ifdef CUSTOMER_HW2 | |
547 | roamvar = 0; | |
548 | bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, | |
549 | sizeof(iovbuf)); | |
550 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
551 | sizeof(iovbuf)); | |
552 | #endif /* CUSTOMER_HW2 */ | |
553 | } | |
554 | } | |
555 | ||
556 | return 0; | |
557 | } | |
558 | ||
559 | static void dhd_suspend_resume_helper(struct dhd_info *dhd, int val) | |
560 | { | |
561 | dhd_pub_t *dhdp = &dhd->pub; | |
562 | ||
563 | dhd_os_proto_block(dhdp); | |
564 | /* Set flag when early suspend was called */ | |
565 | dhdp->in_suspend = val; | |
566 | if (!dhdp->suspend_disable_flag) | |
567 | dhd_set_suspend(val, dhdp); | |
568 | dhd_os_proto_unblock(dhdp); | |
569 | } | |
570 | ||
571 | static void dhd_early_suspend(struct early_suspend *h) | |
572 | { | |
573 | struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); | |
574 | ||
575 | DHD_TRACE(("%s: enter\n", __func__)); | |
576 | ||
577 | if (dhd) | |
578 | dhd_suspend_resume_helper(dhd, 1); | |
579 | ||
580 | } | |
581 | ||
582 | static void dhd_late_resume(struct early_suspend *h) | |
583 | { | |
584 | struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); | |
585 | ||
586 | DHD_TRACE(("%s: enter\n", __func__)); | |
587 | ||
588 | if (dhd) | |
589 | dhd_suspend_resume_helper(dhd, 0); | |
590 | } | |
591 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
592 | ||
593 | /* | |
594 | * Generalized timeout mechanism. Uses spin sleep with exponential | |
595 | * back-off until | |
596 | * the sleep time reaches one jiffy, then switches over to task delay. Usage: | |
597 | * | |
598 | * dhd_timeout_start(&tmo, usec); | |
599 | * while (!dhd_timeout_expired(&tmo)) | |
600 | * if (poll_something()) | |
601 | * break; | |
602 | * if (dhd_timeout_expired(&tmo)) | |
603 | * fatal(); | |
604 | */ | |
605 | ||
606 | void dhd_timeout_start(dhd_timeout_t *tmo, uint usec) | |
607 | { | |
608 | tmo->limit = usec; | |
609 | tmo->increment = 0; | |
610 | tmo->elapsed = 0; | |
611 | tmo->tick = 1000000 / HZ; | |
612 | } | |
613 | ||
614 | int dhd_timeout_expired(dhd_timeout_t *tmo) | |
615 | { | |
616 | /* Does nothing the first call */ | |
617 | if (tmo->increment == 0) { | |
618 | tmo->increment = 1; | |
619 | return 0; | |
620 | } | |
621 | ||
622 | if (tmo->elapsed >= tmo->limit) | |
623 | return 1; | |
624 | ||
625 | /* Add the delay that's about to take place */ | |
626 | tmo->elapsed += tmo->increment; | |
627 | ||
628 | if (tmo->increment < tmo->tick) { | |
629 | OSL_DELAY(tmo->increment); | |
630 | tmo->increment *= 2; | |
631 | if (tmo->increment > tmo->tick) | |
632 | tmo->increment = tmo->tick; | |
633 | } else { | |
634 | wait_queue_head_t delay_wait; | |
635 | DECLARE_WAITQUEUE(wait, current); | |
636 | int pending; | |
637 | init_waitqueue_head(&delay_wait); | |
638 | add_wait_queue(&delay_wait, &wait); | |
639 | set_current_state(TASK_INTERRUPTIBLE); | |
640 | schedule_timeout(1); | |
641 | pending = signal_pending(current); | |
642 | remove_wait_queue(&delay_wait, &wait); | |
643 | set_current_state(TASK_RUNNING); | |
644 | if (pending) | |
645 | return 1; /* Interrupted */ | |
646 | } | |
647 | ||
648 | return 0; | |
649 | } | |
650 | ||
651 | static int dhd_net2idx(dhd_info_t *dhd, struct net_device *net) | |
652 | { | |
653 | int i = 0; | |
654 | ||
655 | ASSERT(dhd); | |
656 | while (i < DHD_MAX_IFS) { | |
657 | if (dhd->iflist[i] && (dhd->iflist[i]->net == net)) | |
658 | return i; | |
659 | i++; | |
660 | } | |
661 | ||
662 | return DHD_BAD_IF; | |
663 | } | |
664 | ||
665 | int dhd_ifname2idx(dhd_info_t *dhd, char *name) | |
666 | { | |
667 | int i = DHD_MAX_IFS; | |
668 | ||
669 | ASSERT(dhd); | |
670 | ||
671 | if (name == NULL || *name == '\0') | |
672 | return 0; | |
673 | ||
674 | while (--i > 0) | |
675 | if (dhd->iflist[i] | |
676 | && !strncmp(dhd->iflist[i]->name, name, IFNAMSIZ)) | |
677 | break; | |
678 | ||
679 | DHD_TRACE(("%s: return idx %d for \"%s\"\n", __func__, i, name)); | |
680 | ||
681 | return i; /* default - the primary interface */ | |
682 | } | |
683 | ||
684 | char *dhd_ifname(dhd_pub_t *dhdp, int ifidx) | |
685 | { | |
686 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
687 | ||
688 | ASSERT(dhd); | |
689 | ||
690 | if (ifidx < 0 || ifidx >= DHD_MAX_IFS) { | |
691 | DHD_ERROR(("%s: ifidx %d out of range\n", __func__, ifidx)); | |
692 | return "<if_bad>"; | |
693 | } | |
694 | ||
695 | if (dhd->iflist[ifidx] == NULL) { | |
696 | DHD_ERROR(("%s: null i/f %d\n", __func__, ifidx)); | |
697 | return "<if_null>"; | |
698 | } | |
699 | ||
700 | if (dhd->iflist[ifidx]->net) | |
701 | return dhd->iflist[ifidx]->net->name; | |
702 | ||
703 | return "<if_none>"; | |
704 | } | |
705 | ||
706 | static void _dhd_set_multicast_list(dhd_info_t *dhd, int ifidx) | |
707 | { | |
708 | struct net_device *dev; | |
709 | struct netdev_hw_addr *ha; | |
710 | uint32 allmulti, cnt; | |
711 | ||
712 | wl_ioctl_t ioc; | |
713 | char *buf, *bufp; | |
714 | uint buflen; | |
715 | int ret; | |
716 | ||
717 | ASSERT(dhd && dhd->iflist[ifidx]); | |
718 | dev = dhd->iflist[ifidx]->net; | |
719 | cnt = netdev_mc_count(dev); | |
720 | ||
721 | /* Determine initial value of allmulti flag */ | |
722 | allmulti = (dev->flags & IFF_ALLMULTI) ? TRUE : FALSE; | |
723 | ||
724 | /* Send down the multicast list first. */ | |
725 | ||
726 | buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETHER_ADDR_LEN); | |
727 | if (!(bufp = buf = MALLOC(dhd->pub.osh, buflen))) { | |
728 | DHD_ERROR(("%s: out of memory for mcast_list, cnt %d\n", | |
729 | dhd_ifname(&dhd->pub, ifidx), cnt)); | |
730 | return; | |
731 | } | |
732 | ||
733 | strcpy(bufp, "mcast_list"); | |
734 | bufp += strlen("mcast_list") + 1; | |
735 | ||
736 | cnt = htol32(cnt); | |
737 | memcpy(bufp, &cnt, sizeof(cnt)); | |
738 | bufp += sizeof(cnt); | |
739 | ||
740 | netdev_for_each_mc_addr(ha, dev) { | |
741 | if (!cnt) | |
742 | break; | |
743 | memcpy(bufp, ha->addr, ETHER_ADDR_LEN); | |
744 | bufp += ETHER_ADDR_LEN; | |
745 | cnt--; | |
746 | } | |
747 | ||
748 | memset(&ioc, 0, sizeof(ioc)); | |
749 | ioc.cmd = WLC_SET_VAR; | |
750 | ioc.buf = buf; | |
751 | ioc.len = buflen; | |
752 | ioc.set = TRUE; | |
753 | ||
754 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
755 | if (ret < 0) { | |
756 | DHD_ERROR(("%s: set mcast_list failed, cnt %d\n", | |
757 | dhd_ifname(&dhd->pub, ifidx), cnt)); | |
758 | allmulti = cnt ? TRUE : allmulti; | |
759 | } | |
760 | ||
761 | MFREE(dhd->pub.osh, buf, buflen); | |
762 | ||
763 | /* Now send the allmulti setting. This is based on the setting in the | |
764 | * net_device flags, but might be modified above to be turned on if we | |
765 | * were trying to set some addresses and dongle rejected it... | |
766 | */ | |
767 | ||
768 | buflen = sizeof("allmulti") + sizeof(allmulti); | |
769 | if (!(buf = MALLOC(dhd->pub.osh, buflen))) { | |
770 | DHD_ERROR(("%s: out of memory for allmulti\n", | |
771 | dhd_ifname(&dhd->pub, ifidx))); | |
772 | return; | |
773 | } | |
774 | allmulti = htol32(allmulti); | |
775 | ||
776 | if (!bcm_mkiovar | |
777 | ("allmulti", (void *)&allmulti, sizeof(allmulti), buf, buflen)) { | |
778 | DHD_ERROR(("%s: mkiovar failed for allmulti, datalen %d " | |
779 | "buflen %u\n", dhd_ifname(&dhd->pub, ifidx), | |
780 | (int)sizeof(allmulti), buflen)); | |
781 | MFREE(dhd->pub.osh, buf, buflen); | |
782 | return; | |
783 | } | |
784 | ||
785 | memset(&ioc, 0, sizeof(ioc)); | |
786 | ioc.cmd = WLC_SET_VAR; | |
787 | ioc.buf = buf; | |
788 | ioc.len = buflen; | |
789 | ioc.set = TRUE; | |
790 | ||
791 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
792 | if (ret < 0) { | |
793 | DHD_ERROR(("%s: set allmulti %d failed\n", | |
794 | dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti))); | |
795 | } | |
796 | ||
797 | MFREE(dhd->pub.osh, buf, buflen); | |
798 | ||
799 | /* Finally, pick up the PROMISC flag as well, like the NIC | |
800 | driver does */ | |
801 | ||
802 | allmulti = (dev->flags & IFF_PROMISC) ? TRUE : FALSE; | |
803 | allmulti = htol32(allmulti); | |
804 | ||
805 | memset(&ioc, 0, sizeof(ioc)); | |
806 | ioc.cmd = WLC_SET_PROMISC; | |
807 | ioc.buf = &allmulti; | |
808 | ioc.len = sizeof(allmulti); | |
809 | ioc.set = TRUE; | |
810 | ||
811 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
812 | if (ret < 0) { | |
813 | DHD_ERROR(("%s: set promisc %d failed\n", | |
814 | dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti))); | |
815 | } | |
816 | } | |
817 | ||
818 | static int | |
819 | _dhd_set_mac_address(dhd_info_t *dhd, int ifidx, struct ether_addr *addr) | |
820 | { | |
821 | char buf[32]; | |
822 | wl_ioctl_t ioc; | |
823 | int ret; | |
824 | ||
825 | DHD_TRACE(("%s enter\n", __func__)); | |
826 | if (!bcm_mkiovar | |
827 | ("cur_etheraddr", (char *)addr, ETHER_ADDR_LEN, buf, 32)) { | |
828 | DHD_ERROR(("%s: mkiovar failed for cur_etheraddr\n", | |
829 | dhd_ifname(&dhd->pub, ifidx))); | |
830 | return -1; | |
831 | } | |
832 | memset(&ioc, 0, sizeof(ioc)); | |
833 | ioc.cmd = WLC_SET_VAR; | |
834 | ioc.buf = buf; | |
835 | ioc.len = 32; | |
836 | ioc.set = TRUE; | |
837 | ||
838 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
839 | if (ret < 0) { | |
840 | DHD_ERROR(("%s: set cur_etheraddr failed\n", | |
841 | dhd_ifname(&dhd->pub, ifidx))); | |
842 | } else { | |
843 | memcpy(dhd->iflist[ifidx]->net->dev_addr, addr, ETHER_ADDR_LEN); | |
844 | } | |
845 | ||
846 | return ret; | |
847 | } | |
848 | ||
849 | #ifdef SOFTAP | |
850 | extern struct net_device *ap_net_dev; | |
851 | #endif | |
852 | ||
853 | static void dhd_op_if(dhd_if_t *ifp) | |
854 | { | |
855 | dhd_info_t *dhd; | |
856 | int ret = 0, err = 0; | |
857 | ||
858 | ASSERT(ifp && ifp->info && ifp->idx); /* Virtual interfaces only */ | |
859 | ||
860 | dhd = ifp->info; | |
861 | ||
862 | DHD_TRACE(("%s: idx %d, state %d\n", __func__, ifp->idx, ifp->state)); | |
863 | ||
864 | switch (ifp->state) { | |
865 | case WLC_E_IF_ADD: | |
866 | /* | |
867 | * Delete the existing interface before overwriting it | |
868 | * in case we missed the WLC_E_IF_DEL event. | |
869 | */ | |
870 | if (ifp->net != NULL) { | |
871 | DHD_ERROR(("%s: ERROR: netdev:%s already exists, " | |
872 | "try free & unregister\n", | |
873 | __func__, ifp->net->name)); | |
874 | netif_stop_queue(ifp->net); | |
875 | unregister_netdev(ifp->net); | |
876 | free_netdev(ifp->net); | |
877 | } | |
878 | /* Allocate etherdev, including space for private structure */ | |
879 | if (!(ifp->net = alloc_etherdev(sizeof(dhd)))) { | |
880 | DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); | |
881 | ret = -ENOMEM; | |
882 | } | |
883 | if (ret == 0) { | |
884 | strcpy(ifp->net->name, ifp->name); | |
885 | memcpy(netdev_priv(ifp->net), &dhd, sizeof(dhd)); | |
886 | if ((err = dhd_net_attach(&dhd->pub, ifp->idx)) != 0) { | |
887 | DHD_ERROR(("%s: dhd_net_attach failed, " | |
888 | "err %d\n", | |
889 | __func__, err)); | |
890 | ret = -EOPNOTSUPP; | |
891 | } else { | |
892 | #ifdef SOFTAP | |
893 | /* semaphore that the soft AP CODE | |
894 | waits on */ | |
895 | extern struct semaphore ap_eth_sema; | |
896 | ||
897 | /* save ptr to wl0.1 netdev for use | |
898 | in wl_iw.c */ | |
899 | ap_net_dev = ifp->net; | |
900 | /* signal to the SOFTAP 'sleeper' thread, | |
901 | wl0.1 is ready */ | |
902 | up(&ap_eth_sema); | |
903 | #endif | |
904 | DHD_TRACE(("\n ==== pid:%x, net_device for " | |
905 | "if:%s created ===\n\n", | |
906 | current->pid, ifp->net->name)); | |
907 | ifp->state = 0; | |
908 | } | |
909 | } | |
910 | break; | |
911 | case WLC_E_IF_DEL: | |
912 | if (ifp->net != NULL) { | |
913 | DHD_TRACE(("\n%s: got 'WLC_E_IF_DEL' state\n", | |
914 | __func__)); | |
915 | netif_stop_queue(ifp->net); | |
916 | unregister_netdev(ifp->net); | |
917 | ret = DHD_DEL_IF; /* Make sure the free_netdev() | |
918 | is called */ | |
919 | } | |
920 | break; | |
921 | default: | |
922 | DHD_ERROR(("%s: bad op %d\n", __func__, ifp->state)); | |
923 | ASSERT(!ifp->state); | |
924 | break; | |
925 | } | |
926 | ||
927 | if (ret < 0) { | |
928 | if (ifp->net) | |
929 | free_netdev(ifp->net); | |
930 | ||
931 | dhd->iflist[ifp->idx] = NULL; | |
932 | MFREE(dhd->pub.osh, ifp, sizeof(*ifp)); | |
933 | #ifdef SOFTAP | |
934 | if (ifp->net == ap_net_dev) | |
935 | ap_net_dev = NULL; /* NULL SOFTAP global | |
936 | wl0.1 as well */ | |
937 | #endif /* SOFTAP */ | |
938 | } | |
939 | } | |
940 | ||
941 | static int _dhd_sysioc_thread(void *data) | |
942 | { | |
943 | dhd_info_t *dhd = (dhd_info_t *) data; | |
944 | int i; | |
945 | #ifdef SOFTAP | |
946 | bool in_ap = FALSE; | |
947 | #endif | |
948 | ||
949 | DAEMONIZE("dhd_sysioc"); | |
950 | ||
951 | while (down_interruptible(&dhd->sysioc_sem) == 0) { | |
952 | for (i = 0; i < DHD_MAX_IFS; i++) { | |
953 | if (dhd->iflist[i]) { | |
954 | #ifdef SOFTAP | |
955 | in_ap = (ap_net_dev != NULL); | |
956 | #endif /* SOFTAP */ | |
957 | if (dhd->iflist[i]->state) | |
958 | dhd_op_if(dhd->iflist[i]); | |
959 | #ifdef SOFTAP | |
960 | if (dhd->iflist[i] == NULL) { | |
961 | DHD_TRACE(("\n\n %s: interface %d " | |
962 | "removed!\n", __func__, i)); | |
963 | continue; | |
964 | } | |
965 | ||
966 | if (in_ap && dhd->set_macaddress) { | |
967 | DHD_TRACE(("attempt to set MAC for %s " | |
968 | "in AP Mode," "blocked. \n", | |
969 | dhd->iflist[i]->net->name)); | |
970 | dhd->set_macaddress = FALSE; | |
971 | continue; | |
972 | } | |
973 | ||
974 | if (in_ap && dhd->set_multicast) { | |
975 | DHD_TRACE(("attempt to set MULTICAST list for %s" "in AP Mode, blocked. \n", | |
976 | dhd->iflist[i]->net->name)); | |
977 | dhd->set_multicast = FALSE; | |
978 | continue; | |
979 | } | |
980 | #endif /* SOFTAP */ | |
981 | if (dhd->set_multicast) { | |
982 | dhd->set_multicast = FALSE; | |
983 | _dhd_set_multicast_list(dhd, i); | |
984 | } | |
985 | if (dhd->set_macaddress) { | |
986 | dhd->set_macaddress = FALSE; | |
987 | _dhd_set_mac_address(dhd, i, | |
988 | &dhd->macvalue); | |
989 | } | |
990 | } | |
991 | } | |
992 | } | |
993 | complete_and_exit(&dhd->sysioc_exited, 0); | |
994 | } | |
995 | ||
996 | static int dhd_set_mac_address(struct net_device *dev, void *addr) | |
997 | { | |
998 | int ret = 0; | |
999 | ||
1000 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
1001 | struct sockaddr *sa = (struct sockaddr *)addr; | |
1002 | int ifidx; | |
1003 | ||
1004 | ifidx = dhd_net2idx(dhd, dev); | |
1005 | if (ifidx == DHD_BAD_IF) | |
1006 | return -1; | |
1007 | ||
1008 | ASSERT(dhd->sysioc_pid >= 0); | |
1009 | memcpy(&dhd->macvalue, sa->sa_data, ETHER_ADDR_LEN); | |
1010 | dhd->set_macaddress = TRUE; | |
1011 | up(&dhd->sysioc_sem); | |
1012 | ||
1013 | return ret; | |
1014 | } | |
1015 | ||
1016 | static void dhd_set_multicast_list(struct net_device *dev) | |
1017 | { | |
1018 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
1019 | int ifidx; | |
1020 | ||
1021 | ifidx = dhd_net2idx(dhd, dev); | |
1022 | if (ifidx == DHD_BAD_IF) | |
1023 | return; | |
1024 | ||
1025 | ASSERT(dhd->sysioc_pid >= 0); | |
1026 | dhd->set_multicast = TRUE; | |
1027 | up(&dhd->sysioc_sem); | |
1028 | } | |
1029 | ||
1030 | int dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, void *pktbuf) | |
1031 | { | |
1032 | int ret; | |
1033 | dhd_info_t *dhd = (dhd_info_t *) (dhdp->info); | |
1034 | ||
1035 | /* Reject if down */ | |
1036 | if (!dhdp->up || (dhdp->busstate == DHD_BUS_DOWN)) | |
1037 | return -ENODEV; | |
1038 | ||
1039 | /* Update multicast statistic */ | |
1040 | if (PKTLEN(pktbuf) >= ETHER_ADDR_LEN) { | |
1041 | uint8 *pktdata = (uint8 *) PKTDATA(pktbuf); | |
1042 | struct ether_header *eh = (struct ether_header *)pktdata; | |
1043 | ||
1044 | if (ETHER_ISMULTI(eh->ether_dhost)) | |
1045 | dhdp->tx_multicast++; | |
1046 | if (ntoh16(eh->ether_type) == ETHER_TYPE_802_1X) | |
1047 | atomic_inc(&dhd->pend_8021x_cnt); | |
1048 | } | |
1049 | ||
1050 | /* Look into the packet and update the packet priority */ | |
1051 | if ((PKTPRIO(pktbuf) == 0)) | |
1052 | pktsetprio(pktbuf, FALSE); | |
1053 | ||
1054 | /* If the protocol uses a data header, apply it */ | |
1055 | dhd_prot_hdrpush(dhdp, ifidx, pktbuf); | |
1056 | ||
1057 | /* Use bus module to send data frame */ | |
1058 | #ifdef BCMDBUS | |
1059 | ret = dbus_send_pkt(dhdp->dbus, pktbuf, NULL /* pktinfo */); | |
1060 | #else | |
1061 | WAKE_LOCK_TIMEOUT(dhdp, WAKE_LOCK_TMOUT, 25); | |
1062 | ret = dhd_bus_txdata(dhdp->bus, pktbuf); | |
1063 | #endif /* BCMDBUS */ | |
1064 | ||
1065 | return ret; | |
1066 | } | |
1067 | ||
1068 | static int dhd_start_xmit(struct sk_buff *skb, struct net_device *net) | |
1069 | { | |
1070 | int ret; | |
1071 | void *pktbuf; | |
1072 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1073 | int ifidx; | |
1074 | ||
1075 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1076 | ||
1077 | /* Reject if down */ | |
1078 | if (!dhd->pub.up || (dhd->pub.busstate == DHD_BUS_DOWN)) { | |
1079 | DHD_ERROR(("%s: xmit rejected pub.up=%d busstate=%d\n", | |
1080 | __func__, dhd->pub.up, dhd->pub.busstate)); | |
1081 | netif_stop_queue(net); | |
1082 | return -ENODEV; | |
1083 | } | |
1084 | ||
1085 | ifidx = dhd_net2idx(dhd, net); | |
1086 | if (ifidx == DHD_BAD_IF) { | |
1087 | DHD_ERROR(("%s: bad ifidx %d\n", __func__, ifidx)); | |
1088 | netif_stop_queue(net); | |
1089 | return -ENODEV; | |
1090 | } | |
1091 | ||
1092 | /* Make sure there's enough room for any header */ | |
1093 | if (skb_headroom(skb) < dhd->pub.hdrlen) { | |
1094 | struct sk_buff *skb2; | |
1095 | ||
1096 | DHD_INFO(("%s: insufficient headroom\n", | |
1097 | dhd_ifname(&dhd->pub, ifidx))); | |
1098 | dhd->pub.tx_realloc++; | |
1099 | skb2 = skb_realloc_headroom(skb, dhd->pub.hdrlen); | |
1100 | dev_kfree_skb(skb); | |
1101 | if ((skb = skb2) == NULL) { | |
1102 | DHD_ERROR(("%s: skb_realloc_headroom failed\n", | |
1103 | dhd_ifname(&dhd->pub, ifidx))); | |
1104 | ret = -ENOMEM; | |
1105 | goto done; | |
1106 | } | |
1107 | } | |
1108 | ||
1109 | /* Convert to packet */ | |
1110 | if (!(pktbuf = PKTFRMNATIVE(dhd->pub.osh, skb))) { | |
1111 | DHD_ERROR(("%s: PKTFRMNATIVE failed\n", | |
1112 | dhd_ifname(&dhd->pub, ifidx))); | |
1113 | dev_kfree_skb_any(skb); | |
1114 | ret = -ENOMEM; | |
1115 | goto done; | |
1116 | } | |
1117 | ||
1118 | ret = dhd_sendpkt(&dhd->pub, ifidx, pktbuf); | |
1119 | ||
1120 | done: | |
1121 | if (ret) | |
1122 | dhd->pub.dstats.tx_dropped++; | |
1123 | else | |
1124 | dhd->pub.tx_packets++; | |
1125 | ||
1126 | /* Return ok: we always eat the packet */ | |
1127 | return 0; | |
1128 | } | |
1129 | ||
1130 | void dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool state) | |
1131 | { | |
1132 | struct net_device *net; | |
1133 | dhd_info_t *dhd = dhdp->info; | |
1134 | ||
1135 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1136 | ||
1137 | dhdp->txoff = state; | |
1138 | ASSERT(dhd && dhd->iflist[ifidx]); | |
1139 | net = dhd->iflist[ifidx]->net; | |
1140 | if (state == ON) | |
1141 | netif_stop_queue(net); | |
1142 | else | |
1143 | netif_wake_queue(net); | |
1144 | } | |
1145 | ||
1146 | void dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, void *pktbuf, int numpkt) | |
1147 | { | |
1148 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
1149 | struct sk_buff *skb; | |
1150 | uchar *eth; | |
1151 | uint len; | |
1152 | void *data, *pnext, *save_pktbuf; | |
1153 | int i; | |
1154 | dhd_if_t *ifp; | |
1155 | wl_event_msg_t event; | |
1156 | ||
1157 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1158 | ||
1159 | save_pktbuf = pktbuf; | |
1160 | ||
1161 | for (i = 0; pktbuf && i < numpkt; i++, pktbuf = pnext) { | |
1162 | ||
1163 | pnext = PKTNEXT(pktbuf); | |
1164 | PKTSETNEXT(pktbuf, NULL); | |
1165 | ||
1166 | skb = PKTTONATIVE(dhdp->osh, pktbuf); | |
1167 | ||
1168 | /* Get the protocol, maintain skb around eth_type_trans() | |
1169 | * The main reason for this hack is for the limitation of | |
1170 | * Linux 2.4 where 'eth_type_trans' uses the | |
1171 | * 'net->hard_header_len' | |
1172 | * to perform skb_pull inside vs ETH_HLEN. Since to avoid | |
1173 | * coping of the packet coming from the network stack to add | |
1174 | * BDC, Hardware header etc, during network interface | |
1175 | * registration | |
1176 | * we set the 'net->hard_header_len' to ETH_HLEN + extra space | |
1177 | * required | |
1178 | * for BDC, Hardware header etc. and not just the ETH_HLEN | |
1179 | */ | |
1180 | eth = skb->data; | |
1181 | len = skb->len; | |
1182 | ||
1183 | ifp = dhd->iflist[ifidx]; | |
1184 | if (ifp == NULL) | |
1185 | ifp = dhd->iflist[0]; | |
1186 | ||
1187 | ASSERT(ifp); | |
1188 | skb->dev = ifp->net; | |
1189 | skb->protocol = eth_type_trans(skb, skb->dev); | |
1190 | ||
1191 | if (skb->pkt_type == PACKET_MULTICAST) | |
1192 | dhd->pub.rx_multicast++; | |
1193 | ||
1194 | skb->data = eth; | |
1195 | skb->len = len; | |
1196 | ||
1197 | /* Strip header, count, deliver upward */ | |
1198 | skb_pull(skb, ETH_HLEN); | |
1199 | ||
1200 | /* Process special event packets and then discard them */ | |
1201 | if (ntoh16(skb->protocol) == ETHER_TYPE_BRCM) | |
1202 | dhd_wl_host_event(dhd, &ifidx, | |
1203 | skb->mac_header, | |
1204 | &event, &data); | |
1205 | ||
1206 | ASSERT(ifidx < DHD_MAX_IFS && dhd->iflist[ifidx]); | |
1207 | if (dhd->iflist[ifidx] && !dhd->iflist[ifidx]->state) | |
1208 | ifp = dhd->iflist[ifidx]; | |
1209 | ||
1210 | if (ifp->net) | |
1211 | ifp->net->last_rx = jiffies; | |
1212 | ||
1213 | dhdp->dstats.rx_bytes += skb->len; | |
1214 | dhdp->rx_packets++; /* Local count */ | |
1215 | ||
1216 | if (in_interrupt()) { | |
1217 | netif_rx(skb); | |
1218 | } else { | |
1219 | /* If the receive is not processed inside an ISR, | |
1220 | * the softirqd must be woken explicitly to service | |
1221 | * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled | |
1222 | * by netif_rx_ni(), but in earlier kernels, we need | |
1223 | * to do it manually. | |
1224 | */ | |
1225 | netif_rx_ni(skb); | |
1226 | } | |
1227 | } | |
1228 | } | |
1229 | ||
1230 | void dhd_event(struct dhd_info *dhd, char *evpkt, int evlen, int ifidx) | |
1231 | { | |
1232 | /* Linux version has nothing to do */ | |
1233 | return; | |
1234 | } | |
1235 | ||
1236 | void dhd_txcomplete(dhd_pub_t *dhdp, void *txp, bool success) | |
1237 | { | |
1238 | uint ifidx; | |
1239 | dhd_info_t *dhd = (dhd_info_t *) (dhdp->info); | |
1240 | struct ether_header *eh; | |
1241 | uint16 type; | |
1242 | ||
1243 | dhd_prot_hdrpull(dhdp, &ifidx, txp); | |
1244 | ||
1245 | eh = (struct ether_header *)PKTDATA(txp); | |
1246 | type = ntoh16(eh->ether_type); | |
1247 | ||
1248 | if (type == ETHER_TYPE_802_1X) | |
1249 | atomic_dec(&dhd->pend_8021x_cnt); | |
1250 | ||
1251 | } | |
1252 | ||
1253 | static struct net_device_stats *dhd_get_stats(struct net_device *net) | |
1254 | { | |
1255 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1256 | dhd_if_t *ifp; | |
1257 | int ifidx; | |
1258 | ||
1259 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1260 | ||
1261 | ifidx = dhd_net2idx(dhd, net); | |
1262 | if (ifidx == DHD_BAD_IF) | |
1263 | return NULL; | |
1264 | ||
1265 | ifp = dhd->iflist[ifidx]; | |
1266 | ASSERT(dhd && ifp); | |
1267 | ||
1268 | if (dhd->pub.up) { | |
1269 | /* Use the protocol to get dongle stats */ | |
1270 | dhd_prot_dstats(&dhd->pub); | |
1271 | } | |
1272 | ||
1273 | /* Copy dongle stats to net device stats */ | |
1274 | ifp->stats.rx_packets = dhd->pub.dstats.rx_packets; | |
1275 | ifp->stats.tx_packets = dhd->pub.dstats.tx_packets; | |
1276 | ifp->stats.rx_bytes = dhd->pub.dstats.rx_bytes; | |
1277 | ifp->stats.tx_bytes = dhd->pub.dstats.tx_bytes; | |
1278 | ifp->stats.rx_errors = dhd->pub.dstats.rx_errors; | |
1279 | ifp->stats.tx_errors = dhd->pub.dstats.tx_errors; | |
1280 | ifp->stats.rx_dropped = dhd->pub.dstats.rx_dropped; | |
1281 | ifp->stats.tx_dropped = dhd->pub.dstats.tx_dropped; | |
1282 | ifp->stats.multicast = dhd->pub.dstats.multicast; | |
1283 | ||
1284 | return &ifp->stats; | |
1285 | } | |
1286 | ||
1287 | static int dhd_watchdog_thread(void *data) | |
1288 | { | |
1289 | dhd_info_t *dhd = (dhd_info_t *) data; | |
1290 | WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_WATCHDOG, "dhd_watchdog_thread"); | |
1291 | ||
1292 | /* This thread doesn't need any user-level access, | |
1293 | * so get rid of all our resources | |
1294 | */ | |
1295 | #ifdef DHD_SCHED | |
1296 | if (dhd_watchdog_prio > 0) { | |
1297 | struct sched_param param; | |
1298 | param.sched_priority = (dhd_watchdog_prio < MAX_RT_PRIO) ? | |
1299 | dhd_watchdog_prio : (MAX_RT_PRIO - 1); | |
1300 | setScheduler(current, SCHED_FIFO, ¶m); | |
1301 | } | |
1302 | #endif /* DHD_SCHED */ | |
1303 | ||
1304 | DAEMONIZE("dhd_watchdog"); | |
1305 | ||
1306 | /* Run until signal received */ | |
1307 | while (1) { | |
1308 | if (down_interruptible(&dhd->watchdog_sem) == 0) { | |
1309 | if (dhd->pub.dongle_reset == FALSE) { | |
1310 | WAKE_LOCK(&dhd->pub, WAKE_LOCK_WATCHDOG); | |
1311 | /* Call the bus module watchdog */ | |
1312 | dhd_bus_watchdog(&dhd->pub); | |
1313 | WAKE_UNLOCK(&dhd->pub, WAKE_LOCK_WATCHDOG); | |
1314 | } | |
1315 | /* Count the tick for reference */ | |
1316 | dhd->pub.tickcnt++; | |
1317 | } else | |
1318 | break; | |
1319 | } | |
1320 | ||
1321 | WAKE_LOCK_DESTROY(&dhd->pub, WAKE_LOCK_WATCHDOG); | |
1322 | complete_and_exit(&dhd->watchdog_exited, 0); | |
1323 | } | |
1324 | ||
1325 | static void dhd_watchdog(ulong data) | |
1326 | { | |
1327 | dhd_info_t *dhd = (dhd_info_t *) data; | |
1328 | ||
1329 | if (dhd->watchdog_pid >= 0) { | |
1330 | up(&dhd->watchdog_sem); | |
1331 | ||
1332 | /* Reschedule the watchdog */ | |
1333 | if (dhd->wd_timer_valid) { | |
1334 | mod_timer(&dhd->timer, | |
1335 | jiffies + dhd_watchdog_ms * HZ / 1000); | |
1336 | } | |
1337 | return; | |
1338 | } | |
1339 | ||
1340 | /* Call the bus module watchdog */ | |
1341 | dhd_bus_watchdog(&dhd->pub); | |
1342 | ||
1343 | /* Count the tick for reference */ | |
1344 | dhd->pub.tickcnt++; | |
1345 | ||
1346 | /* Reschedule the watchdog */ | |
1347 | if (dhd->wd_timer_valid) | |
1348 | mod_timer(&dhd->timer, jiffies + dhd_watchdog_ms * HZ / 1000); | |
1349 | } | |
1350 | ||
1351 | static int dhd_dpc_thread(void *data) | |
1352 | { | |
1353 | dhd_info_t *dhd = (dhd_info_t *) data; | |
1354 | ||
1355 | WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_DPC, "dhd_dpc_thread"); | |
1356 | /* This thread doesn't need any user-level access, | |
1357 | * so get rid of all our resources | |
1358 | */ | |
1359 | #ifdef DHD_SCHED | |
1360 | if (dhd_dpc_prio > 0) { | |
1361 | struct sched_param param; | |
1362 | param.sched_priority = | |
1363 | (dhd_dpc_prio < | |
1364 | MAX_RT_PRIO) ? dhd_dpc_prio : (MAX_RT_PRIO - 1); | |
1365 | setScheduler(current, SCHED_FIFO, ¶m); | |
1366 | } | |
1367 | #endif /* DHD_SCHED */ | |
1368 | ||
1369 | DAEMONIZE("dhd_dpc"); | |
1370 | ||
1371 | /* Run until signal received */ | |
1372 | while (1) { | |
1373 | if (down_interruptible(&dhd->dpc_sem) == 0) { | |
1374 | /* Call bus dpc unless it indicated down | |
1375 | (then clean stop) */ | |
1376 | if (dhd->pub.busstate != DHD_BUS_DOWN) { | |
1377 | WAKE_LOCK(&dhd->pub, WAKE_LOCK_DPC); | |
1378 | if (dhd_bus_dpc(dhd->pub.bus)) { | |
1379 | up(&dhd->dpc_sem); | |
1380 | WAKE_LOCK_TIMEOUT(&dhd->pub, | |
1381 | WAKE_LOCK_TMOUT, 25); | |
1382 | } | |
1383 | WAKE_UNLOCK(&dhd->pub, WAKE_LOCK_DPC); | |
1384 | } else { | |
1385 | dhd_bus_stop(dhd->pub.bus, TRUE); | |
1386 | } | |
1387 | } else | |
1388 | break; | |
1389 | } | |
1390 | ||
1391 | WAKE_LOCK_DESTROY(&dhd->pub, WAKE_LOCK_DPC); | |
1392 | ||
1393 | complete_and_exit(&dhd->dpc_exited, 0); | |
1394 | } | |
1395 | ||
1396 | static void dhd_dpc(ulong data) | |
1397 | { | |
1398 | dhd_info_t *dhd; | |
1399 | ||
1400 | dhd = (dhd_info_t *) data; | |
1401 | ||
1402 | /* Call bus dpc unless it indicated down (then clean stop) */ | |
1403 | if (dhd->pub.busstate != DHD_BUS_DOWN) { | |
1404 | if (dhd_bus_dpc(dhd->pub.bus)) | |
1405 | tasklet_schedule(&dhd->tasklet); | |
1406 | } else { | |
1407 | dhd_bus_stop(dhd->pub.bus, TRUE); | |
1408 | } | |
1409 | } | |
1410 | ||
1411 | void dhd_sched_dpc(dhd_pub_t *dhdp) | |
1412 | { | |
1413 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
1414 | ||
1415 | if (dhd->dpc_pid >= 0) { | |
1416 | up(&dhd->dpc_sem); | |
1417 | return; | |
1418 | } | |
1419 | ||
1420 | tasklet_schedule(&dhd->tasklet); | |
1421 | } | |
1422 | ||
1423 | #ifdef TOE | |
1424 | /* Retrieve current toe component enables, which are kept | |
1425 | as a bitmap in toe_ol iovar */ | |
1426 | static int dhd_toe_get(dhd_info_t *dhd, int ifidx, uint32 *toe_ol) | |
1427 | { | |
1428 | wl_ioctl_t ioc; | |
1429 | char buf[32]; | |
1430 | int ret; | |
1431 | ||
1432 | memset(&ioc, 0, sizeof(ioc)); | |
1433 | ||
1434 | ioc.cmd = WLC_GET_VAR; | |
1435 | ioc.buf = buf; | |
1436 | ioc.len = (uint) sizeof(buf); | |
1437 | ioc.set = FALSE; | |
1438 | ||
1439 | strcpy(buf, "toe_ol"); | |
1440 | if ((ret = | |
1441 | dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) { | |
1442 | /* Check for older dongle image that doesn't support toe_ol */ | |
1443 | if (ret == -EIO) { | |
1444 | DHD_ERROR(("%s: toe not supported by device\n", | |
1445 | dhd_ifname(&dhd->pub, ifidx))); | |
1446 | return -EOPNOTSUPP; | |
1447 | } | |
1448 | ||
1449 | DHD_INFO(("%s: could not get toe_ol: ret=%d\n", | |
1450 | dhd_ifname(&dhd->pub, ifidx), ret)); | |
1451 | return ret; | |
1452 | } | |
1453 | ||
1454 | memcpy(toe_ol, buf, sizeof(uint32)); | |
1455 | return 0; | |
1456 | } | |
1457 | ||
1458 | /* Set current toe component enables in toe_ol iovar, | |
1459 | and set toe global enable iovar */ | |
1460 | static int dhd_toe_set(dhd_info_t *dhd, int ifidx, uint32 toe_ol) | |
1461 | { | |
1462 | wl_ioctl_t ioc; | |
1463 | char buf[32]; | |
1464 | int toe, ret; | |
1465 | ||
1466 | memset(&ioc, 0, sizeof(ioc)); | |
1467 | ||
1468 | ioc.cmd = WLC_SET_VAR; | |
1469 | ioc.buf = buf; | |
1470 | ioc.len = (uint) sizeof(buf); | |
1471 | ioc.set = TRUE; | |
1472 | ||
1473 | /* Set toe_ol as requested */ | |
1474 | ||
1475 | strcpy(buf, "toe_ol"); | |
1476 | memcpy(&buf[sizeof("toe_ol")], &toe_ol, sizeof(uint32)); | |
1477 | ||
1478 | if ((ret = | |
1479 | dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) { | |
1480 | DHD_ERROR(("%s: could not set toe_ol: ret=%d\n", | |
1481 | dhd_ifname(&dhd->pub, ifidx), ret)); | |
1482 | return ret; | |
1483 | } | |
1484 | ||
1485 | /* Enable toe globally only if any components are enabled. */ | |
1486 | ||
1487 | toe = (toe_ol != 0); | |
1488 | ||
1489 | strcpy(buf, "toe"); | |
1490 | memcpy(&buf[sizeof("toe")], &toe, sizeof(uint32)); | |
1491 | ||
1492 | if ((ret = | |
1493 | dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) { | |
1494 | DHD_ERROR(("%s: could not set toe: ret=%d\n", | |
1495 | dhd_ifname(&dhd->pub, ifidx), ret)); | |
1496 | return ret; | |
1497 | } | |
1498 | ||
1499 | return 0; | |
1500 | } | |
1501 | #endif /* TOE */ | |
1502 | ||
1503 | static void dhd_ethtool_get_drvinfo(struct net_device *net, | |
1504 | struct ethtool_drvinfo *info) | |
1505 | { | |
1506 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1507 | ||
1508 | sprintf(info->driver, "wl"); | |
1509 | sprintf(info->version, "%lu", dhd->pub.drv_version); | |
1510 | } | |
1511 | ||
1512 | struct ethtool_ops dhd_ethtool_ops = { | |
1513 | .get_drvinfo = dhd_ethtool_get_drvinfo | |
1514 | }; | |
1515 | ||
1516 | static int dhd_ethtool(dhd_info_t *dhd, void *uaddr) | |
1517 | { | |
1518 | struct ethtool_drvinfo info; | |
1519 | char drvname[sizeof(info.driver)]; | |
1520 | uint32 cmd; | |
1521 | #ifdef TOE | |
1522 | struct ethtool_value edata; | |
1523 | uint32 toe_cmpnt, csum_dir; | |
1524 | int ret; | |
1525 | #endif | |
1526 | ||
1527 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1528 | ||
1529 | /* all ethtool calls start with a cmd word */ | |
1530 | if (copy_from_user(&cmd, uaddr, sizeof(uint32))) | |
1531 | return -EFAULT; | |
1532 | ||
1533 | switch (cmd) { | |
1534 | case ETHTOOL_GDRVINFO: | |
1535 | /* Copy out any request driver name */ | |
1536 | if (copy_from_user(&info, uaddr, sizeof(info))) | |
1537 | return -EFAULT; | |
1538 | strncpy(drvname, info.driver, sizeof(info.driver)); | |
1539 | drvname[sizeof(info.driver) - 1] = '\0'; | |
1540 | ||
1541 | /* clear struct for return */ | |
1542 | memset(&info, 0, sizeof(info)); | |
1543 | info.cmd = cmd; | |
1544 | ||
1545 | /* if dhd requested, identify ourselves */ | |
1546 | if (strcmp(drvname, "?dhd") == 0) { | |
1547 | sprintf(info.driver, "dhd"); | |
1548 | strcpy(info.version, EPI_VERSION_STR); | |
1549 | } | |
1550 | ||
1551 | /* otherwise, require dongle to be up */ | |
1552 | else if (!dhd->pub.up) { | |
1553 | DHD_ERROR(("%s: dongle is not up\n", __func__)); | |
1554 | return -ENODEV; | |
1555 | } | |
1556 | ||
1557 | /* finally, report dongle driver type */ | |
1558 | else if (dhd->pub.iswl) | |
1559 | sprintf(info.driver, "wl"); | |
1560 | else | |
1561 | sprintf(info.driver, "xx"); | |
1562 | ||
1563 | sprintf(info.version, "%lu", dhd->pub.drv_version); | |
1564 | if (copy_to_user(uaddr, &info, sizeof(info))) | |
1565 | return -EFAULT; | |
1566 | DHD_CTL(("%s: given %*s, returning %s\n", __func__, | |
1567 | (int)sizeof(drvname), drvname, info.driver)); | |
1568 | break; | |
1569 | ||
1570 | #ifdef TOE | |
1571 | /* Get toe offload components from dongle */ | |
1572 | case ETHTOOL_GRXCSUM: | |
1573 | case ETHTOOL_GTXCSUM: | |
1574 | if ((ret = dhd_toe_get(dhd, 0, &toe_cmpnt)) < 0) | |
1575 | return ret; | |
1576 | ||
1577 | csum_dir = | |
1578 | (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | |
1579 | ||
1580 | edata.cmd = cmd; | |
1581 | edata.data = (toe_cmpnt & csum_dir) ? 1 : 0; | |
1582 | ||
1583 | if (copy_to_user(uaddr, &edata, sizeof(edata))) | |
1584 | return -EFAULT; | |
1585 | break; | |
1586 | ||
1587 | /* Set toe offload components in dongle */ | |
1588 | case ETHTOOL_SRXCSUM: | |
1589 | case ETHTOOL_STXCSUM: | |
1590 | if (copy_from_user(&edata, uaddr, sizeof(edata))) | |
1591 | return -EFAULT; | |
1592 | ||
1593 | /* Read the current settings, update and write back */ | |
1594 | if ((ret = dhd_toe_get(dhd, 0, &toe_cmpnt)) < 0) | |
1595 | return ret; | |
1596 | ||
1597 | csum_dir = | |
1598 | (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | |
1599 | ||
1600 | if (edata.data != 0) | |
1601 | toe_cmpnt |= csum_dir; | |
1602 | else | |
1603 | toe_cmpnt &= ~csum_dir; | |
1604 | ||
1605 | if ((ret = dhd_toe_set(dhd, 0, toe_cmpnt)) < 0) | |
1606 | return ret; | |
1607 | ||
1608 | /* If setting TX checksum mode, tell Linux the new mode */ | |
1609 | if (cmd == ETHTOOL_STXCSUM) { | |
1610 | if (edata.data) | |
1611 | dhd->iflist[0]->net->features |= | |
1612 | NETIF_F_IP_CSUM; | |
1613 | else | |
1614 | dhd->iflist[0]->net->features &= | |
1615 | ~NETIF_F_IP_CSUM; | |
1616 | } | |
1617 | ||
1618 | break; | |
1619 | #endif /* TOE */ | |
1620 | ||
1621 | default: | |
1622 | return -EOPNOTSUPP; | |
1623 | } | |
1624 | ||
1625 | return 0; | |
1626 | } | |
1627 | ||
1628 | static int dhd_ioctl_entry(struct net_device *net, struct ifreq *ifr, int cmd) | |
1629 | { | |
1630 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1631 | dhd_ioctl_t ioc; | |
1632 | int bcmerror = 0; | |
1633 | int buflen = 0; | |
1634 | void *buf = NULL; | |
1635 | uint driver = 0; | |
1636 | int ifidx; | |
1637 | bool is_set_key_cmd; | |
1638 | ||
1639 | ifidx = dhd_net2idx(dhd, net); | |
1640 | DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __func__, ifidx, cmd)); | |
1641 | ||
1642 | if (ifidx == DHD_BAD_IF) | |
1643 | return -1; | |
1644 | ||
1645 | #if defined(CONFIG_WIRELESS_EXT) | |
1646 | /* linux wireless extensions */ | |
1647 | if ((cmd >= SIOCIWFIRST) && (cmd <= SIOCIWLAST)) { | |
1648 | /* may recurse, do NOT lock */ | |
1649 | return wl_iw_ioctl(net, ifr, cmd); | |
1650 | } | |
1651 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
1652 | ||
1653 | if (cmd == SIOCETHTOOL) | |
1654 | return dhd_ethtool(dhd, (void *)ifr->ifr_data); | |
1655 | ||
1656 | if (cmd != SIOCDEVPRIVATE) | |
1657 | return -EOPNOTSUPP; | |
1658 | ||
1659 | memset(&ioc, 0, sizeof(ioc)); | |
1660 | ||
1661 | /* Copy the ioc control structure part of ioctl request */ | |
1662 | if (copy_from_user(&ioc, ifr->ifr_data, sizeof(wl_ioctl_t))) { | |
1663 | bcmerror = -BCME_BADADDR; | |
1664 | goto done; | |
1665 | } | |
1666 | ||
1667 | /* Copy out any buffer passed */ | |
1668 | if (ioc.buf) { | |
1669 | buflen = MIN(ioc.len, DHD_IOCTL_MAXLEN); | |
1670 | /* optimization for direct ioctl calls from kernel */ | |
1671 | /* | |
1672 | if (segment_eq(get_fs(), KERNEL_DS)) { | |
1673 | buf = ioc.buf; | |
1674 | } else { | |
1675 | */ | |
1676 | { | |
1677 | if (!(buf = (char *)MALLOC(dhd->pub.osh, buflen))) { | |
1678 | bcmerror = -BCME_NOMEM; | |
1679 | goto done; | |
1680 | } | |
1681 | if (copy_from_user(buf, ioc.buf, buflen)) { | |
1682 | bcmerror = -BCME_BADADDR; | |
1683 | goto done; | |
1684 | } | |
1685 | } | |
1686 | } | |
1687 | ||
1688 | /* To differentiate between wl and dhd read 4 more byes */ | |
1689 | if ((copy_from_user(&driver, (char *)ifr->ifr_data + sizeof(wl_ioctl_t), | |
1690 | sizeof(uint)) != 0)) { | |
1691 | bcmerror = -BCME_BADADDR; | |
1692 | goto done; | |
1693 | } | |
1694 | ||
1695 | if (!capable(CAP_NET_ADMIN)) { | |
1696 | bcmerror = -BCME_EPERM; | |
1697 | goto done; | |
1698 | } | |
1699 | ||
1700 | /* check for local dhd ioctl and handle it */ | |
1701 | if (driver == DHD_IOCTL_MAGIC) { | |
1702 | bcmerror = dhd_ioctl((void *)&dhd->pub, &ioc, buf, buflen); | |
1703 | if (bcmerror) | |
1704 | dhd->pub.bcmerror = bcmerror; | |
1705 | goto done; | |
1706 | } | |
1707 | ||
1708 | /* send to dongle (must be up, and wl) */ | |
1709 | if ((dhd->pub.busstate != DHD_BUS_DATA)) { | |
1710 | DHD_ERROR(("%s DONGLE_DOWN,__func__\n", __func__)); | |
1711 | bcmerror = BCME_DONGLE_DOWN; | |
1712 | goto done; | |
1713 | } | |
1714 | ||
1715 | if (!dhd->pub.iswl) { | |
1716 | bcmerror = BCME_DONGLE_DOWN; | |
1717 | goto done; | |
1718 | } | |
1719 | ||
1720 | /* Intercept WLC_SET_KEY IOCTL - serialize M4 send and set key IOCTL to | |
1721 | * prevent M4 encryption. | |
1722 | */ | |
1723 | is_set_key_cmd = ((ioc.cmd == WLC_SET_KEY) || | |
1724 | ((ioc.cmd == WLC_SET_VAR) && | |
1725 | !(strncmp("wsec_key", ioc.buf, 9))) || | |
1726 | ((ioc.cmd == WLC_SET_VAR) && | |
1727 | !(strncmp("bsscfg:wsec_key", ioc.buf, 15)))); | |
1728 | if (is_set_key_cmd) | |
1729 | dhd_wait_pend8021x(net); | |
1730 | ||
1731 | WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_IOCTL, "dhd_ioctl_entry"); | |
1732 | WAKE_LOCK(&dhd->pub, WAKE_LOCK_IOCTL); | |
1733 | ||
1734 | bcmerror = | |
1735 | dhd_prot_ioctl(&dhd->pub, ifidx, (wl_ioctl_t *)&ioc, buf, buflen); | |
1736 | ||
1737 | WAKE_UNLOCK(&dhd->pub, WAKE_LOCK_IOCTL); | |
1738 | WAKE_LOCK_DESTROY(&dhd->pub, WAKE_LOCK_IOCTL); | |
1739 | done: | |
1740 | if (!bcmerror && buf && ioc.buf) { | |
1741 | if (copy_to_user(ioc.buf, buf, buflen)) | |
1742 | bcmerror = -EFAULT; | |
1743 | } | |
1744 | ||
1745 | if (buf) | |
1746 | MFREE(dhd->pub.osh, buf, buflen); | |
1747 | ||
1748 | return OSL_ERROR(bcmerror); | |
1749 | } | |
1750 | ||
1751 | static int dhd_stop(struct net_device *net) | |
1752 | { | |
1753 | #if !defined(IGNORE_ETH0_DOWN) | |
1754 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1755 | ||
1756 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1757 | #ifdef CONFIG_CFG80211 | |
1758 | if (IS_CFG80211_FAVORITE()) { | |
1759 | wl_cfg80211_down(); | |
1760 | } | |
1761 | #endif | |
1762 | if (dhd->pub.up == 0) | |
1763 | return 0; | |
1764 | ||
1765 | /* Set state and stop OS transmissions */ | |
1766 | dhd->pub.up = 0; | |
1767 | netif_stop_queue(net); | |
1768 | #else | |
1769 | DHD_ERROR(("BYPASS %s:due to BRCM compilation : under investigation\n", | |
1770 | __func__)); | |
1771 | #endif /* !defined(IGNORE_ETH0_DOWN) */ | |
1772 | ||
1773 | OLD_MOD_DEC_USE_COUNT; | |
1774 | return 0; | |
1775 | } | |
1776 | ||
1777 | static int dhd_open(struct net_device *net) | |
1778 | { | |
1779 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1780 | #ifdef TOE | |
1781 | uint32 toe_ol; | |
1782 | #endif | |
1783 | int ifidx = dhd_net2idx(dhd, net); | |
1784 | int32 ret = 0; | |
1785 | ||
1786 | DHD_TRACE(("%s: ifidx %d\n", __func__, ifidx)); | |
1787 | ||
1788 | if (ifidx == 0) { /* do it only for primary eth0 */ | |
1789 | ||
1790 | /* try to bring up bus */ | |
1791 | if ((ret = dhd_bus_start(&dhd->pub)) != 0) { | |
1792 | DHD_ERROR(("%s: failed with code %d\n", __func__, ret)); | |
1793 | return -1; | |
1794 | } | |
1795 | atomic_set(&dhd->pend_8021x_cnt, 0); | |
1796 | ||
1797 | memcpy(net->dev_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN); | |
1798 | ||
1799 | #ifdef TOE | |
1800 | /* Get current TOE mode from dongle */ | |
1801 | if (dhd_toe_get(dhd, ifidx, &toe_ol) >= 0 | |
1802 | && (toe_ol & TOE_TX_CSUM_OL) != 0) | |
1803 | dhd->iflist[ifidx]->net->features |= NETIF_F_IP_CSUM; | |
1804 | else | |
1805 | dhd->iflist[ifidx]->net->features &= ~NETIF_F_IP_CSUM; | |
1806 | #endif | |
1807 | } | |
1808 | /* Allow transmit calls */ | |
1809 | netif_start_queue(net); | |
1810 | dhd->pub.up = 1; | |
1811 | #ifdef CONFIG_CFG80211 | |
1812 | if (IS_CFG80211_FAVORITE()) { | |
1813 | if (unlikely(wl_cfg80211_up())) { | |
1814 | DHD_ERROR(("%s: failed to bring up cfg80211\n", | |
1815 | __func__)); | |
1816 | return -1; | |
1817 | } | |
1818 | } | |
1819 | #endif | |
1820 | ||
1821 | OLD_MOD_INC_USE_COUNT; | |
1822 | return ret; | |
1823 | } | |
1824 | ||
1825 | osl_t *dhd_osl_attach(void *pdev, uint bustype) | |
1826 | { | |
1827 | return osl_attach(pdev, bustype, TRUE); | |
1828 | } | |
1829 | ||
1830 | void dhd_osl_detach(osl_t *osh) | |
1831 | { | |
1832 | if (MALLOCED(osh)) { | |
1833 | DHD_ERROR(("%s: MEMORY LEAK %d bytes\n", __func__, | |
1834 | MALLOCED(osh))); | |
1835 | } | |
1836 | osl_detach(osh); | |
1837 | } | |
1838 | ||
1839 | int | |
1840 | dhd_add_if(dhd_info_t *dhd, int ifidx, void *handle, char *name, | |
1841 | uint8 *mac_addr, uint32 flags, uint8 bssidx) | |
1842 | { | |
1843 | dhd_if_t *ifp; | |
1844 | ||
1845 | DHD_TRACE(("%s: idx %d, handle->%p\n", __func__, ifidx, handle)); | |
1846 | ||
1847 | ASSERT(dhd && (ifidx < DHD_MAX_IFS)); | |
1848 | ||
1849 | ifp = dhd->iflist[ifidx]; | |
1850 | if (!ifp && !(ifp = MALLOC(dhd->pub.osh, sizeof(dhd_if_t)))) { | |
1851 | DHD_ERROR(("%s: OOM - dhd_if_t\n", __func__)); | |
1852 | return -ENOMEM; | |
1853 | } | |
1854 | ||
1855 | memset(ifp, 0, sizeof(dhd_if_t)); | |
1856 | ifp->info = dhd; | |
1857 | dhd->iflist[ifidx] = ifp; | |
1858 | strncpy(ifp->name, name, IFNAMSIZ); | |
1859 | ifp->name[IFNAMSIZ] = '\0'; | |
1860 | if (mac_addr != NULL) | |
1861 | memcpy(&ifp->mac_addr, mac_addr, ETHER_ADDR_LEN); | |
1862 | ||
1863 | if (handle == NULL) { | |
1864 | ifp->state = WLC_E_IF_ADD; | |
1865 | ifp->idx = ifidx; | |
1866 | ASSERT(dhd->sysioc_pid >= 0); | |
1867 | up(&dhd->sysioc_sem); | |
1868 | } else | |
1869 | ifp->net = (struct net_device *)handle; | |
1870 | ||
1871 | return 0; | |
1872 | } | |
1873 | ||
1874 | void dhd_del_if(dhd_info_t *dhd, int ifidx) | |
1875 | { | |
1876 | dhd_if_t *ifp; | |
1877 | ||
1878 | DHD_TRACE(("%s: idx %d\n", __func__, ifidx)); | |
1879 | ||
1880 | ASSERT(dhd && ifidx && (ifidx < DHD_MAX_IFS)); | |
1881 | ifp = dhd->iflist[ifidx]; | |
1882 | if (!ifp) { | |
1883 | DHD_ERROR(("%s: Null interface\n", __func__)); | |
1884 | return; | |
1885 | } | |
1886 | ||
1887 | ifp->state = WLC_E_IF_DEL; | |
1888 | ifp->idx = ifidx; | |
1889 | ASSERT(dhd->sysioc_pid >= 0); | |
1890 | up(&dhd->sysioc_sem); | |
1891 | } | |
1892 | ||
1893 | dhd_pub_t *dhd_attach(osl_t *osh, struct dhd_bus *bus, uint bus_hdrlen) | |
1894 | { | |
1895 | dhd_info_t *dhd = NULL; | |
1896 | struct net_device *net; | |
1897 | ||
1898 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1899 | /* updates firmware nvram path if it was provided as module | |
1900 | paramters */ | |
1901 | if ((firmware_path != NULL) && (firmware_path[0] != '\0')) | |
1902 | strcpy(fw_path, firmware_path); | |
1903 | if ((nvram_path != NULL) && (nvram_path[0] != '\0')) | |
1904 | strcpy(nv_path, nvram_path); | |
1905 | ||
1906 | /* Allocate etherdev, including space for private structure */ | |
1907 | if (!(net = alloc_etherdev(sizeof(dhd)))) { | |
1908 | DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); | |
1909 | goto fail; | |
1910 | } | |
1911 | ||
1912 | /* Allocate primary dhd_info */ | |
1913 | if (!(dhd = MALLOC(osh, sizeof(dhd_info_t)))) { | |
1914 | DHD_ERROR(("%s: OOM - alloc dhd_info\n", __func__)); | |
1915 | goto fail; | |
1916 | } | |
1917 | ||
1918 | memset(dhd, 0, sizeof(dhd_info_t)); | |
1919 | ||
1920 | /* | |
1921 | * Save the dhd_info into the priv | |
1922 | */ | |
1923 | memcpy(netdev_priv(net), &dhd, sizeof(dhd)); | |
1924 | dhd->pub.osh = osh; | |
1925 | ||
1926 | /* Set network interface name if it was provided as module parameter */ | |
1927 | if (iface_name[0]) { | |
1928 | int len; | |
1929 | char ch; | |
1930 | strncpy(net->name, iface_name, IFNAMSIZ); | |
1931 | net->name[IFNAMSIZ - 1] = 0; | |
1932 | len = strlen(net->name); | |
1933 | ch = net->name[len - 1]; | |
1934 | if ((ch > '9' || ch < '0') && (len < IFNAMSIZ - 2)) | |
1935 | strcat(net->name, "%d"); | |
1936 | } | |
1937 | ||
1938 | if (dhd_add_if(dhd, 0, (void *)net, net->name, NULL, 0, 0) == | |
1939 | DHD_BAD_IF) | |
1940 | goto fail; | |
1941 | ||
1942 | net->netdev_ops = NULL; | |
1943 | init_MUTEX(&dhd->proto_sem); | |
1944 | /* Initialize other structure content */ | |
1945 | init_waitqueue_head(&dhd->ioctl_resp_wait); | |
1946 | init_waitqueue_head(&dhd->ctrl_wait); | |
1947 | ||
1948 | /* Initialize the spinlocks */ | |
1949 | spin_lock_init(&dhd->sdlock); | |
1950 | spin_lock_init(&dhd->txqlock); | |
1951 | ||
1952 | /* Link to info module */ | |
1953 | dhd->pub.info = dhd; | |
1954 | ||
1955 | /* Link to bus module */ | |
1956 | dhd->pub.bus = bus; | |
1957 | dhd->pub.hdrlen = bus_hdrlen; | |
1958 | ||
1959 | /* Attach and link in the protocol */ | |
1960 | if (dhd_prot_attach(&dhd->pub) != 0) { | |
1961 | DHD_ERROR(("dhd_prot_attach failed\n")); | |
1962 | goto fail; | |
1963 | } | |
1964 | #if defined(CONFIG_WIRELESS_EXT) | |
1965 | /* Attach and link in the iw */ | |
1966 | if (wl_iw_attach(net, (void *)&dhd->pub) != 0) { | |
1967 | DHD_ERROR(("wl_iw_attach failed\n")); | |
1968 | goto fail; | |
1969 | } | |
1970 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
1971 | ||
1972 | #ifdef CONFIG_CFG80211 | |
1973 | /* Attach and link in the cfg80211 */ | |
1974 | if (IS_CFG80211_FAVORITE()) { | |
1975 | if (unlikely(wl_cfg80211_attach(net, &dhd->pub))) { | |
1976 | DHD_ERROR(("wl_cfg80211_attach failed\n")); | |
1977 | goto fail; | |
1978 | } | |
1979 | if (!NO_FW_REQ()) { | |
1980 | strcpy(fw_path, wl_cfg80211_get_fwname()); | |
1981 | strcpy(nv_path, wl_cfg80211_get_nvramname()); | |
1982 | } | |
1983 | wl_cfg80211_dbg_level(DBG_CFG80211_GET()); | |
1984 | } | |
1985 | #endif | |
1986 | ||
1987 | /* Set up the watchdog timer */ | |
1988 | init_timer(&dhd->timer); | |
1989 | dhd->timer.data = (ulong) dhd; | |
1990 | dhd->timer.function = dhd_watchdog; | |
1991 | ||
1992 | /* Initialize thread based operation and lock */ | |
1993 | init_MUTEX(&dhd->sdsem); | |
1994 | if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0)) | |
1995 | dhd->threads_only = TRUE; | |
1996 | else | |
1997 | dhd->threads_only = FALSE; | |
1998 | ||
1999 | if (dhd_dpc_prio >= 0) { | |
2000 | /* Initialize watchdog thread */ | |
2001 | sema_init(&dhd->watchdog_sem, 0); | |
2002 | init_completion(&dhd->watchdog_exited); | |
2003 | dhd->watchdog_pid = kernel_thread(dhd_watchdog_thread, dhd, 0); | |
2004 | } else { | |
2005 | dhd->watchdog_pid = -1; | |
2006 | } | |
2007 | ||
2008 | /* Set up the bottom half handler */ | |
2009 | if (dhd_dpc_prio >= 0) { | |
2010 | /* Initialize DPC thread */ | |
2011 | sema_init(&dhd->dpc_sem, 0); | |
2012 | init_completion(&dhd->dpc_exited); | |
2013 | dhd->dpc_pid = kernel_thread(dhd_dpc_thread, dhd, 0); | |
2014 | } else { | |
2015 | tasklet_init(&dhd->tasklet, dhd_dpc, (ulong) dhd); | |
2016 | dhd->dpc_pid = -1; | |
2017 | } | |
2018 | ||
2019 | if (dhd_sysioc) { | |
2020 | sema_init(&dhd->sysioc_sem, 0); | |
2021 | init_completion(&dhd->sysioc_exited); | |
2022 | dhd->sysioc_pid = kernel_thread(_dhd_sysioc_thread, dhd, 0); | |
2023 | } else { | |
2024 | dhd->sysioc_pid = -1; | |
2025 | } | |
2026 | ||
2027 | /* | |
2028 | * Save the dhd_info into the priv | |
2029 | */ | |
2030 | memcpy(netdev_priv(net), &dhd, sizeof(dhd)); | |
2031 | ||
2032 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2033 | g_bus = bus; | |
2034 | #endif | |
2035 | #if defined(CONFIG_PM_SLEEP) | |
2036 | register_pm_notifier(&dhd_sleep_pm_notifier); | |
2037 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
2038 | /* && defined(DHD_GPL) */ | |
2039 | /* Init lock suspend to prevent kernel going to suspend */ | |
2040 | WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_TMOUT, "dhd_wake_lock"); | |
2041 | WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_LINK_DOWN_TMOUT, | |
2042 | "dhd_wake_lock_link_dw_event"); | |
2043 | WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_PNO_FIND_TMOUT, | |
2044 | "dhd_wake_lock_link_pno_find_event"); | |
2045 | #ifdef CONFIG_HAS_EARLYSUSPEND | |
2046 | dhd->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 20; | |
2047 | dhd->early_suspend.suspend = dhd_early_suspend; | |
2048 | dhd->early_suspend.resume = dhd_late_resume; | |
2049 | register_early_suspend(&dhd->early_suspend); | |
2050 | #endif | |
2051 | ||
2052 | return &dhd->pub; | |
2053 | ||
2054 | fail: | |
2055 | if (net) | |
2056 | free_netdev(net); | |
2057 | if (dhd) | |
2058 | dhd_detach(&dhd->pub); | |
2059 | ||
2060 | return NULL; | |
2061 | } | |
2062 | ||
2063 | int dhd_bus_start(dhd_pub_t *dhdp) | |
2064 | { | |
2065 | int ret = -1; | |
2066 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
2067 | #ifdef EMBEDDED_PLATFORM | |
2068 | char iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + | |
2069 | '\0' + bitvec */ | |
2070 | #endif /* EMBEDDED_PLATFORM */ | |
2071 | ||
2072 | ASSERT(dhd); | |
2073 | ||
2074 | DHD_TRACE(("%s:\n", __func__)); | |
2075 | ||
2076 | /* try to download image and nvram to the dongle */ | |
2077 | if (dhd->pub.busstate == DHD_BUS_DOWN) { | |
2078 | WAKE_LOCK_INIT(dhdp, WAKE_LOCK_DOWNLOAD, "dhd_bus_start"); | |
2079 | WAKE_LOCK(dhdp, WAKE_LOCK_DOWNLOAD); | |
2080 | if (!(dhd_bus_download_firmware(dhd->pub.bus, dhd->pub.osh, | |
2081 | fw_path, nv_path))) { | |
2082 | DHD_ERROR(("%s: dhdsdio_probe_download failed. " | |
2083 | "firmware = %s nvram = %s\n", | |
2084 | __func__, fw_path, nv_path)); | |
2085 | WAKE_UNLOCK(dhdp, WAKE_LOCK_DOWNLOAD); | |
2086 | WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_DOWNLOAD); | |
2087 | return -1; | |
2088 | } | |
2089 | ||
2090 | WAKE_UNLOCK(dhdp, WAKE_LOCK_DOWNLOAD); | |
2091 | WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_DOWNLOAD); | |
2092 | } | |
2093 | ||
2094 | /* Start the watchdog timer */ | |
2095 | dhd->pub.tickcnt = 0; | |
2096 | dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms); | |
2097 | ||
2098 | /* Bring up the bus */ | |
2099 | if ((ret = dhd_bus_init(&dhd->pub, TRUE)) != 0) { | |
2100 | DHD_ERROR(("%s, dhd_bus_init failed %d\n", __func__, ret)); | |
2101 | return ret; | |
2102 | } | |
2103 | #if defined(OOB_INTR_ONLY) | |
2104 | /* Host registration for OOB interrupt */ | |
2105 | if (bcmsdh_register_oob_intr(dhdp)) { | |
2106 | del_timer_sync(&dhd->timer); | |
2107 | dhd->wd_timer_valid = FALSE; | |
2108 | DHD_ERROR(("%s Host failed to resgister for OOB\n", __func__)); | |
2109 | return -ENODEV; | |
2110 | } | |
2111 | ||
2112 | /* Enable oob at firmware */ | |
2113 | dhd_enable_oob_intr(dhd->pub.bus, TRUE); | |
2114 | #endif /* defined(OOB_INTR_ONLY) */ | |
2115 | ||
2116 | /* If bus is not ready, can't come up */ | |
2117 | if (dhd->pub.busstate != DHD_BUS_DATA) { | |
2118 | del_timer_sync(&dhd->timer); | |
2119 | dhd->wd_timer_valid = FALSE; | |
2120 | DHD_ERROR(("%s failed bus is not ready\n", __func__)); | |
2121 | return -ENODEV; | |
2122 | } | |
2123 | #ifdef EMBEDDED_PLATFORM | |
2124 | bcm_mkiovar("event_msgs", dhdp->eventmask, WL_EVENTING_MASK_LEN, iovbuf, | |
2125 | sizeof(iovbuf)); | |
2126 | dhdcdc_query_ioctl(dhdp, 0, WLC_GET_VAR, iovbuf, sizeof(iovbuf)); | |
2127 | bcopy(iovbuf, dhdp->eventmask, WL_EVENTING_MASK_LEN); | |
2128 | ||
2129 | setbit(dhdp->eventmask, WLC_E_SET_SSID); | |
2130 | setbit(dhdp->eventmask, WLC_E_PRUNE); | |
2131 | setbit(dhdp->eventmask, WLC_E_AUTH); | |
2132 | setbit(dhdp->eventmask, WLC_E_REASSOC); | |
2133 | setbit(dhdp->eventmask, WLC_E_REASSOC_IND); | |
2134 | setbit(dhdp->eventmask, WLC_E_DEAUTH_IND); | |
2135 | setbit(dhdp->eventmask, WLC_E_DISASSOC_IND); | |
2136 | setbit(dhdp->eventmask, WLC_E_DISASSOC); | |
2137 | setbit(dhdp->eventmask, WLC_E_JOIN); | |
2138 | setbit(dhdp->eventmask, WLC_E_ASSOC_IND); | |
2139 | setbit(dhdp->eventmask, WLC_E_PSK_SUP); | |
2140 | setbit(dhdp->eventmask, WLC_E_LINK); | |
2141 | setbit(dhdp->eventmask, WLC_E_NDIS_LINK); | |
2142 | setbit(dhdp->eventmask, WLC_E_MIC_ERROR); | |
2143 | setbit(dhdp->eventmask, WLC_E_PMKID_CACHE); | |
2144 | setbit(dhdp->eventmask, WLC_E_TXFAIL); | |
2145 | setbit(dhdp->eventmask, WLC_E_JOIN_START); | |
2146 | setbit(dhdp->eventmask, WLC_E_SCAN_COMPLETE); | |
2147 | #ifdef PNO_SUPPORT | |
2148 | setbit(dhdp->eventmask, WLC_E_PFN_NET_FOUND); | |
2149 | #endif /* PNO_SUPPORT */ | |
2150 | ||
2151 | /* enable dongle roaming event */ | |
2152 | ||
2153 | dhdp->pktfilter_count = 1; | |
2154 | /* Setup filter to allow only unicast */ | |
2155 | dhdp->pktfilter[0] = "100 0 0 0 0x01 0x00"; | |
2156 | #endif /* EMBEDDED_PLATFORM */ | |
2157 | ||
2158 | /* Bus is ready, do any protocol initialization */ | |
2159 | if ((ret = dhd_prot_init(&dhd->pub)) < 0) | |
2160 | return ret; | |
2161 | ||
2162 | return 0; | |
2163 | } | |
2164 | ||
2165 | int | |
2166 | dhd_iovar(dhd_pub_t *pub, int ifidx, char *name, char *cmd_buf, uint cmd_len, | |
2167 | int set) | |
2168 | { | |
2169 | char buf[strlen(name) + 1 + cmd_len]; | |
2170 | int len = sizeof(buf); | |
2171 | wl_ioctl_t ioc; | |
2172 | int ret; | |
2173 | ||
2174 | len = bcm_mkiovar(name, cmd_buf, cmd_len, buf, len); | |
2175 | ||
2176 | memset(&ioc, 0, sizeof(ioc)); | |
2177 | ||
2178 | ioc.cmd = set ? WLC_SET_VAR : WLC_GET_VAR; | |
2179 | ioc.buf = buf; | |
2180 | ioc.len = len; | |
2181 | ioc.set = set; | |
2182 | ||
2183 | ret = dhd_prot_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len); | |
2184 | if (!set && ret >= 0) | |
2185 | memcpy(cmd_buf, buf, cmd_len); | |
2186 | ||
2187 | return ret; | |
2188 | } | |
2189 | ||
2190 | static struct net_device_ops dhd_ops_pri = { | |
2191 | .ndo_open = dhd_open, | |
2192 | .ndo_stop = dhd_stop, | |
2193 | .ndo_get_stats = dhd_get_stats, | |
2194 | .ndo_do_ioctl = dhd_ioctl_entry, | |
2195 | .ndo_start_xmit = dhd_start_xmit, | |
2196 | .ndo_set_mac_address = dhd_set_mac_address, | |
2197 | .ndo_set_multicast_list = dhd_set_multicast_list | |
2198 | }; | |
2199 | ||
2200 | static struct net_device_ops dhd_ops_virt = { | |
2201 | .ndo_get_stats = dhd_get_stats, | |
2202 | .ndo_do_ioctl = dhd_ioctl_entry, | |
2203 | .ndo_start_xmit = dhd_start_xmit, | |
2204 | .ndo_set_mac_address = dhd_set_mac_address, | |
2205 | .ndo_set_multicast_list = dhd_set_multicast_list | |
2206 | }; | |
2207 | ||
2208 | int dhd_net_attach(dhd_pub_t *dhdp, int ifidx) | |
2209 | { | |
2210 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
2211 | struct net_device *net; | |
2212 | uint8 temp_addr[ETHER_ADDR_LEN] = { | |
2213 | 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33}; | |
2214 | ||
2215 | DHD_TRACE(("%s: ifidx %d\n", __func__, ifidx)); | |
2216 | ||
2217 | ASSERT(dhd && dhd->iflist[ifidx]); | |
2218 | ||
2219 | net = dhd->iflist[ifidx]->net; | |
2220 | ASSERT(net); | |
2221 | ||
2222 | ASSERT(!net->netdev_ops); | |
2223 | net->netdev_ops = &dhd_ops_virt; | |
2224 | ||
2225 | net->netdev_ops = &dhd_ops_pri; | |
2226 | ||
2227 | /* | |
2228 | * We have to use the primary MAC for virtual interfaces | |
2229 | */ | |
2230 | if (ifidx != 0) { | |
2231 | /* for virtual interfaces use the primary MAC */ | |
2232 | memcpy(temp_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN); | |
2233 | ||
2234 | } | |
2235 | ||
2236 | if (ifidx == 1) { | |
2237 | DHD_TRACE(("%s ACCESS POINT MAC: \n", __func__)); | |
2238 | /* ACCESSPOINT INTERFACE CASE */ | |
2239 | temp_addr[0] |= 0X02; /* set bit 2 , | |
2240 | - Locally Administered address */ | |
2241 | ||
2242 | } | |
2243 | net->hard_header_len = ETH_HLEN + dhd->pub.hdrlen; | |
2244 | net->ethtool_ops = &dhd_ethtool_ops; | |
2245 | ||
2246 | #if defined(CONFIG_WIRELESS_EXT) | |
2247 | #if defined(CONFIG_CFG80211) | |
2248 | if (!IS_CFG80211_FAVORITE()) { | |
2249 | #endif | |
2250 | #if WIRELESS_EXT < 19 | |
2251 | net->get_wireless_stats = dhd_get_wireless_stats; | |
2252 | #endif /* WIRELESS_EXT < 19 */ | |
2253 | #if WIRELESS_EXT > 12 | |
2254 | net->wireless_handlers = | |
2255 | (struct iw_handler_def *)&wl_iw_handler_def; | |
2256 | #endif /* WIRELESS_EXT > 12 */ | |
2257 | #if defined(CONFIG_CFG80211) | |
2258 | } | |
2259 | #endif | |
2260 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
2261 | ||
2262 | dhd->pub.rxsz = net->mtu + net->hard_header_len + dhd->pub.hdrlen; | |
2263 | ||
2264 | memcpy(net->dev_addr, temp_addr, ETHER_ADDR_LEN); | |
2265 | ||
2266 | if (register_netdev(net) != 0) { | |
2267 | DHD_ERROR(("%s: couldn't register the net device\n", | |
2268 | __func__)); | |
2269 | goto fail; | |
2270 | } | |
2271 | ||
2272 | printf("%s: Broadcom Dongle Host Driver\n", net->name); | |
2273 | ||
2274 | return 0; | |
2275 | ||
2276 | fail: | |
2277 | net->netdev_ops = NULL; | |
2278 | return BCME_ERROR; | |
2279 | } | |
2280 | ||
2281 | void dhd_bus_detach(dhd_pub_t *dhdp) | |
2282 | { | |
2283 | dhd_info_t *dhd; | |
2284 | ||
2285 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2286 | ||
2287 | if (dhdp) { | |
2288 | dhd = (dhd_info_t *) dhdp->info; | |
2289 | if (dhd) { | |
2290 | /* Stop the protocol module */ | |
2291 | dhd_prot_stop(&dhd->pub); | |
2292 | ||
2293 | /* Stop the bus module */ | |
2294 | dhd_bus_stop(dhd->pub.bus, TRUE); | |
2295 | #if defined(OOB_INTR_ONLY) | |
2296 | bcmsdh_unregister_oob_intr(); | |
2297 | #endif /* defined(OOB_INTR_ONLY) */ | |
2298 | ||
2299 | /* Clear the watchdog timer */ | |
2300 | del_timer_sync(&dhd->timer); | |
2301 | dhd->wd_timer_valid = FALSE; | |
2302 | } | |
2303 | } | |
2304 | } | |
2305 | ||
2306 | void dhd_detach(dhd_pub_t *dhdp) | |
2307 | { | |
2308 | dhd_info_t *dhd; | |
2309 | ||
2310 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2311 | ||
2312 | if (dhdp) { | |
2313 | dhd = (dhd_info_t *) dhdp->info; | |
2314 | if (dhd) { | |
2315 | dhd_if_t *ifp; | |
2316 | int i; | |
2317 | ||
2318 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
2319 | if (dhd->early_suspend.suspend) | |
2320 | unregister_early_suspend(&dhd->early_suspend); | |
2321 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
2322 | ||
2323 | for (i = 1; i < DHD_MAX_IFS; i++) | |
2324 | if (dhd->iflist[i]) | |
2325 | dhd_del_if(dhd, i); | |
2326 | ||
2327 | ifp = dhd->iflist[0]; | |
2328 | ASSERT(ifp); | |
2329 | if (ifp->net->netdev_ops == &dhd_ops_pri) { | |
2330 | dhd_stop(ifp->net); | |
2331 | unregister_netdev(ifp->net); | |
2332 | } | |
2333 | ||
2334 | if (dhd->watchdog_pid >= 0) { | |
2335 | KILL_PROC(dhd->watchdog_pid, SIGTERM); | |
2336 | wait_for_completion(&dhd->watchdog_exited); | |
2337 | } | |
2338 | ||
2339 | if (dhd->dpc_pid >= 0) { | |
2340 | KILL_PROC(dhd->dpc_pid, SIGTERM); | |
2341 | wait_for_completion(&dhd->dpc_exited); | |
2342 | } else | |
2343 | tasklet_kill(&dhd->tasklet); | |
2344 | ||
2345 | if (dhd->sysioc_pid >= 0) { | |
2346 | KILL_PROC(dhd->sysioc_pid, SIGTERM); | |
2347 | wait_for_completion(&dhd->sysioc_exited); | |
2348 | } | |
2349 | ||
2350 | dhd_bus_detach(dhdp); | |
2351 | ||
2352 | if (dhdp->prot) | |
2353 | dhd_prot_detach(dhdp); | |
2354 | ||
2355 | #if defined(CONFIG_WIRELESS_EXT) | |
2356 | wl_iw_detach(); | |
2357 | #endif /* (CONFIG_WIRELESS_EXT) */ | |
2358 | ||
2359 | #ifdef CONFIG_CFG80211 | |
2360 | if (IS_CFG80211_FAVORITE()) | |
2361 | wl_cfg80211_detach(); | |
2362 | #endif /* CONFIG_CFG80211 */ | |
2363 | ||
2364 | #if defined(CONFIG_PM_SLEEP) | |
2365 | unregister_pm_notifier(&dhd_sleep_pm_notifier); | |
2366 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
2367 | /* && defined(DHD_GPL) */ | |
2368 | WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_TMOUT); | |
2369 | WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_LINK_DOWN_TMOUT); | |
2370 | WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_PNO_FIND_TMOUT); | |
2371 | free_netdev(ifp->net); | |
2372 | MFREE(dhd->pub.osh, ifp, sizeof(*ifp)); | |
2373 | MFREE(dhd->pub.osh, dhd, sizeof(*dhd)); | |
2374 | } | |
2375 | } | |
2376 | } | |
2377 | ||
2378 | static void __exit dhd_module_cleanup(void) | |
2379 | { | |
2380 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2381 | ||
2382 | dhd_bus_unregister(); | |
2383 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2384 | wifi_del_dev(); | |
2385 | #endif | |
2386 | /* Call customer gpio to turn off power with WL_REG_ON signal */ | |
2387 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF); | |
2388 | } | |
2389 | ||
2390 | static int __init dhd_module_init(void) | |
2391 | { | |
2392 | int error; | |
2393 | ||
2394 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2395 | ||
2396 | /* Sanity check on the module parameters */ | |
2397 | do { | |
2398 | /* Both watchdog and DPC as tasklets are ok */ | |
2399 | if ((dhd_watchdog_prio < 0) && (dhd_dpc_prio < 0)) | |
2400 | break; | |
2401 | ||
2402 | /* If both watchdog and DPC are threads, TX must be deferred */ | |
2403 | if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0) | |
2404 | && dhd_deferred_tx) | |
2405 | break; | |
2406 | ||
2407 | DHD_ERROR(("Invalid module parameters.\n")); | |
2408 | return -EINVAL; | |
2409 | } while (0); | |
2410 | /* Call customer gpio to turn on power with WL_REG_ON signal */ | |
2411 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_ON); | |
2412 | ||
2413 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2414 | sema_init(&wifi_control_sem, 0); | |
2415 | ||
2416 | error = wifi_add_dev(); | |
2417 | if (error) { | |
2418 | DHD_ERROR(("%s: platform_driver_register failed\n", __func__)); | |
2419 | goto faild; | |
2420 | } | |
2421 | ||
2422 | /* Waiting callback after platform_driver_register is done or | |
2423 | exit with error */ | |
2424 | if (down_timeout(&wifi_control_sem, msecs_to_jiffies(1000)) != 0) { | |
2425 | printk(KERN_ERR "%s: platform_driver_register timeout\n", | |
2426 | __func__); | |
2427 | /* remove device */ | |
2428 | wifi_del_dev(); | |
2429 | goto faild; | |
2430 | } | |
2431 | #endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ | |
2432 | ||
2433 | error = dhd_bus_register(); | |
2434 | ||
2435 | if (!error) | |
2436 | printf("\n%s\n", dhd_version); | |
2437 | else { | |
2438 | DHD_ERROR(("%s: sdio_register_driver failed\n", __func__)); | |
2439 | goto faild; | |
2440 | } | |
2441 | return error; | |
2442 | ||
2443 | faild: | |
2444 | /* turn off power and exit */ | |
2445 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF); | |
2446 | return -EINVAL; | |
2447 | } | |
2448 | ||
2449 | module_init(dhd_module_init); | |
2450 | module_exit(dhd_module_cleanup); | |
2451 | ||
2452 | /* | |
2453 | * OS specific functions required to implement DHD driver in OS independent way | |
2454 | */ | |
2455 | int dhd_os_proto_block(dhd_pub_t *pub) | |
2456 | { | |
2457 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2458 | ||
2459 | if (dhd) { | |
2460 | down(&dhd->proto_sem); | |
2461 | return 1; | |
2462 | } | |
2463 | return 0; | |
2464 | } | |
2465 | ||
2466 | int dhd_os_proto_unblock(dhd_pub_t *pub) | |
2467 | { | |
2468 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2469 | ||
2470 | if (dhd) { | |
2471 | up(&dhd->proto_sem); | |
2472 | return 1; | |
2473 | } | |
2474 | ||
2475 | return 0; | |
2476 | } | |
2477 | ||
2478 | unsigned int dhd_os_get_ioctl_resp_timeout(void) | |
2479 | { | |
2480 | return (unsigned int)dhd_ioctl_timeout_msec; | |
2481 | } | |
2482 | ||
2483 | void dhd_os_set_ioctl_resp_timeout(unsigned int timeout_msec) | |
2484 | { | |
2485 | dhd_ioctl_timeout_msec = (int)timeout_msec; | |
2486 | } | |
2487 | ||
2488 | int dhd_os_ioctl_resp_wait(dhd_pub_t *pub, uint *condition, bool *pending) | |
2489 | { | |
2490 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2491 | DECLARE_WAITQUEUE(wait, current); | |
2492 | int timeout = dhd_ioctl_timeout_msec; | |
2493 | ||
2494 | /* Convert timeout in millsecond to jiffies */ | |
2495 | timeout = timeout * HZ / 1000; | |
2496 | ||
2497 | /* Wait until control frame is available */ | |
2498 | add_wait_queue(&dhd->ioctl_resp_wait, &wait); | |
2499 | set_current_state(TASK_INTERRUPTIBLE); | |
2500 | ||
2501 | while (!(*condition) && (!signal_pending(current) && timeout)) | |
2502 | timeout = schedule_timeout(timeout); | |
2503 | ||
2504 | if (signal_pending(current)) | |
2505 | *pending = TRUE; | |
2506 | ||
2507 | set_current_state(TASK_RUNNING); | |
2508 | remove_wait_queue(&dhd->ioctl_resp_wait, &wait); | |
2509 | ||
2510 | return timeout; | |
2511 | } | |
2512 | ||
2513 | int dhd_os_ioctl_resp_wake(dhd_pub_t *pub) | |
2514 | { | |
2515 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2516 | ||
2517 | if (waitqueue_active(&dhd->ioctl_resp_wait)) | |
2518 | wake_up_interruptible(&dhd->ioctl_resp_wait); | |
2519 | ||
2520 | return 0; | |
2521 | } | |
2522 | ||
2523 | void dhd_os_wd_timer(void *bus, uint wdtick) | |
2524 | { | |
2525 | dhd_pub_t *pub = bus; | |
2526 | static uint save_dhd_watchdog_ms = 0; | |
2527 | dhd_info_t *dhd = (dhd_info_t *) pub->info; | |
2528 | ||
2529 | /* don't start the wd until fw is loaded */ | |
2530 | if (pub->busstate == DHD_BUS_DOWN) | |
2531 | return; | |
2532 | ||
2533 | /* Totally stop the timer */ | |
2534 | if (!wdtick && dhd->wd_timer_valid == TRUE) { | |
2535 | del_timer_sync(&dhd->timer); | |
2536 | dhd->wd_timer_valid = FALSE; | |
2537 | save_dhd_watchdog_ms = wdtick; | |
2538 | return; | |
2539 | } | |
2540 | ||
2541 | if (wdtick) { | |
2542 | dhd_watchdog_ms = (uint) wdtick; | |
2543 | ||
2544 | if (save_dhd_watchdog_ms != dhd_watchdog_ms) { | |
2545 | ||
2546 | if (dhd->wd_timer_valid == TRUE) | |
2547 | /* Stop timer and restart at new value */ | |
2548 | del_timer_sync(&dhd->timer); | |
2549 | ||
2550 | /* Create timer again when watchdog period is | |
2551 | dynamically changed or in the first instance | |
2552 | */ | |
2553 | dhd->timer.expires = | |
2554 | jiffies + dhd_watchdog_ms * HZ / 1000; | |
2555 | add_timer(&dhd->timer); | |
2556 | ||
2557 | } else { | |
2558 | /* Re arm the timer, at last watchdog period */ | |
2559 | mod_timer(&dhd->timer, | |
2560 | jiffies + dhd_watchdog_ms * HZ / 1000); | |
2561 | } | |
2562 | ||
2563 | dhd->wd_timer_valid = TRUE; | |
2564 | save_dhd_watchdog_ms = wdtick; | |
2565 | } | |
2566 | } | |
2567 | ||
2568 | void *dhd_os_open_image(char *filename) | |
2569 | { | |
2570 | struct file *fp; | |
2571 | ||
2572 | #ifdef CONFIG_CFG80211 | |
2573 | if (IS_CFG80211_FAVORITE() && !NO_FW_REQ()) | |
2574 | return wl_cfg80211_request_fw(filename); | |
2575 | #endif | |
2576 | ||
2577 | fp = filp_open(filename, O_RDONLY, 0); | |
2578 | /* | |
2579 | * 2.6.11 (FC4) supports filp_open() but later revs don't? | |
2580 | * Alternative: | |
2581 | * fp = open_namei(AT_FDCWD, filename, O_RD, 0); | |
2582 | * ??? | |
2583 | */ | |
2584 | if (IS_ERR(fp)) | |
2585 | fp = NULL; | |
2586 | ||
2587 | return fp; | |
2588 | } | |
2589 | ||
2590 | int dhd_os_get_image_block(char *buf, int len, void *image) | |
2591 | { | |
2592 | struct file *fp = (struct file *)image; | |
2593 | int rdlen; | |
2594 | ||
2595 | #ifdef CONFIG_CFG80211 | |
2596 | if (IS_CFG80211_FAVORITE() && !NO_FW_REQ()) | |
2597 | return wl_cfg80211_read_fw(buf, len); | |
2598 | #endif | |
2599 | ||
2600 | if (!image) | |
2601 | return 0; | |
2602 | ||
2603 | rdlen = kernel_read(fp, fp->f_pos, buf, len); | |
2604 | if (rdlen > 0) | |
2605 | fp->f_pos += rdlen; | |
2606 | ||
2607 | return rdlen; | |
2608 | } | |
2609 | ||
2610 | void dhd_os_close_image(void *image) | |
2611 | { | |
2612 | #ifdef CONFIG_CFG80211 | |
2613 | if (IS_CFG80211_FAVORITE() && !NO_FW_REQ()) | |
2614 | return wl_cfg80211_release_fw(); | |
2615 | #endif | |
2616 | if (image) | |
2617 | filp_close((struct file *)image, NULL); | |
2618 | } | |
2619 | ||
2620 | void dhd_os_sdlock(dhd_pub_t *pub) | |
2621 | { | |
2622 | dhd_info_t *dhd; | |
2623 | ||
2624 | dhd = (dhd_info_t *) (pub->info); | |
2625 | ||
2626 | if (dhd->threads_only) | |
2627 | down(&dhd->sdsem); | |
2628 | else | |
2629 | spin_lock_bh(&dhd->sdlock); | |
2630 | } | |
2631 | ||
2632 | void dhd_os_sdunlock(dhd_pub_t *pub) | |
2633 | { | |
2634 | dhd_info_t *dhd; | |
2635 | ||
2636 | dhd = (dhd_info_t *) (pub->info); | |
2637 | ||
2638 | if (dhd->threads_only) | |
2639 | up(&dhd->sdsem); | |
2640 | else | |
2641 | spin_unlock_bh(&dhd->sdlock); | |
2642 | } | |
2643 | ||
2644 | void dhd_os_sdlock_txq(dhd_pub_t *pub) | |
2645 | { | |
2646 | dhd_info_t *dhd; | |
2647 | ||
2648 | dhd = (dhd_info_t *) (pub->info); | |
2649 | spin_lock_bh(&dhd->txqlock); | |
2650 | } | |
2651 | ||
2652 | void dhd_os_sdunlock_txq(dhd_pub_t *pub) | |
2653 | { | |
2654 | dhd_info_t *dhd; | |
2655 | ||
2656 | dhd = (dhd_info_t *) (pub->info); | |
2657 | spin_unlock_bh(&dhd->txqlock); | |
2658 | } | |
2659 | ||
2660 | void dhd_os_sdlock_rxq(dhd_pub_t *pub) | |
2661 | { | |
2662 | } | |
2663 | ||
2664 | void dhd_os_sdunlock_rxq(dhd_pub_t *pub) | |
2665 | { | |
2666 | } | |
2667 | ||
2668 | void dhd_os_sdtxlock(dhd_pub_t *pub) | |
2669 | { | |
2670 | dhd_os_sdlock(pub); | |
2671 | } | |
2672 | ||
2673 | void dhd_os_sdtxunlock(dhd_pub_t *pub) | |
2674 | { | |
2675 | dhd_os_sdunlock(pub); | |
2676 | } | |
2677 | ||
2678 | #ifdef DHD_USE_STATIC_BUF | |
2679 | void *dhd_os_prealloc(int section, unsigned long size) | |
2680 | { | |
2681 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2682 | void *alloc_ptr = NULL; | |
2683 | if (wifi_control_data && wifi_control_data->mem_prealloc) { | |
2684 | alloc_ptr = wifi_control_data->mem_prealloc(section, size); | |
2685 | if (alloc_ptr) { | |
2686 | DHD_INFO(("success alloc section %d\n", section)); | |
2687 | bzero(alloc_ptr, size); | |
2688 | return alloc_ptr; | |
2689 | } | |
2690 | } | |
2691 | ||
2692 | DHD_ERROR(("can't alloc section %d\n", section)); | |
2693 | return 0; | |
2694 | #else | |
2695 | return MALLOC(0, size); | |
2696 | #endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ | |
2697 | } | |
2698 | #endif /* DHD_USE_STATIC_BUF */ | |
2699 | #if defined(CONFIG_WIRELESS_EXT) | |
2700 | struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev) | |
2701 | { | |
2702 | int res = 0; | |
2703 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
2704 | ||
2705 | res = wl_iw_get_wireless_stats(dev, &dhd->iw.wstats); | |
2706 | ||
2707 | if (res == 0) | |
2708 | return &dhd->iw.wstats; | |
2709 | else | |
2710 | return NULL; | |
2711 | } | |
2712 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
2713 | ||
2714 | static int | |
2715 | dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, | |
2716 | wl_event_msg_t *event, void **data) | |
2717 | { | |
2718 | int bcmerror = 0; | |
2719 | ||
2720 | ASSERT(dhd != NULL); | |
2721 | ||
2722 | bcmerror = wl_host_event(dhd, ifidx, pktdata, event, data); | |
2723 | if (bcmerror != BCME_OK) | |
2724 | return bcmerror; | |
2725 | ||
2726 | #if defined(CONFIG_WIRELESS_EXT) | |
2727 | #if defined(CONFIG_CFG80211) | |
2728 | if (!IS_CFG80211_FAVORITE()) { | |
2729 | #endif | |
2730 | if ((dhd->iflist[*ifidx] == NULL) | |
2731 | || (dhd->iflist[*ifidx]->net == NULL)) { | |
2732 | DHD_ERROR(("%s Exit null pointer\n", __func__)); | |
2733 | return bcmerror; | |
2734 | } | |
2735 | ||
2736 | if (dhd->iflist[*ifidx]->net) | |
2737 | wl_iw_event(dhd->iflist[*ifidx]->net, event, *data); | |
2738 | #if defined(CONFIG_CFG80211) | |
2739 | } | |
2740 | #endif | |
2741 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
2742 | ||
2743 | #ifdef CONFIG_CFG80211 | |
2744 | if (IS_CFG80211_FAVORITE()) { | |
2745 | ASSERT(dhd->iflist[*ifidx] != NULL); | |
2746 | ASSERT(dhd->iflist[*ifidx]->net != NULL); | |
2747 | if (dhd->iflist[*ifidx]->net) | |
2748 | wl_cfg80211_event(dhd->iflist[*ifidx]->net, event, | |
2749 | *data); | |
2750 | } | |
2751 | #endif | |
2752 | ||
2753 | return bcmerror; | |
2754 | } | |
2755 | ||
2756 | /* send up locally generated event */ | |
2757 | void dhd_sendup_event(dhd_pub_t *dhdp, wl_event_msg_t *event, void *data) | |
2758 | { | |
2759 | switch (ntoh32(event->event_type)) { | |
2760 | default: | |
2761 | break; | |
2762 | } | |
2763 | } | |
2764 | ||
2765 | void dhd_wait_for_event(dhd_pub_t *dhd, bool *lockvar) | |
2766 | { | |
2767 | struct dhd_info *dhdinfo = dhd->info; | |
2768 | dhd_os_sdunlock(dhd); | |
2769 | wait_event_interruptible_timeout(dhdinfo->ctrl_wait, | |
2770 | (*lockvar == FALSE), HZ * 2); | |
2771 | dhd_os_sdlock(dhd); | |
2772 | return; | |
2773 | } | |
2774 | ||
2775 | void dhd_wait_event_wakeup(dhd_pub_t *dhd) | |
2776 | { | |
2777 | struct dhd_info *dhdinfo = dhd->info; | |
2778 | if (waitqueue_active(&dhdinfo->ctrl_wait)) | |
2779 | wake_up_interruptible(&dhdinfo->ctrl_wait); | |
2780 | return; | |
2781 | } | |
2782 | ||
2783 | int dhd_dev_reset(struct net_device *dev, uint8 flag) | |
2784 | { | |
2785 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2786 | ||
2787 | /* Turning off watchdog */ | |
2788 | if (flag) | |
2789 | dhd_os_wd_timer(&dhd->pub, 0); | |
2790 | ||
2791 | dhd_bus_devreset(&dhd->pub, flag); | |
2792 | ||
2793 | /* Turning on watchdog back */ | |
2794 | if (!flag) | |
2795 | dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms); | |
2796 | DHD_ERROR(("%s: WLAN OFF DONE\n", __func__)); | |
2797 | ||
2798 | return 1; | |
2799 | } | |
2800 | ||
2801 | int net_os_set_suspend_disable(struct net_device *dev, int val) | |
2802 | { | |
2803 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2804 | int ret = 0; | |
2805 | ||
2806 | if (dhd) { | |
2807 | ret = dhd->pub.suspend_disable_flag; | |
2808 | dhd->pub.suspend_disable_flag = val; | |
2809 | } | |
2810 | return ret; | |
2811 | } | |
2812 | ||
2813 | int net_os_set_suspend(struct net_device *dev, int val) | |
2814 | { | |
2815 | int ret = 0; | |
2816 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
2817 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2818 | ||
2819 | if (dhd) { | |
2820 | dhd_os_proto_block(&dhd->pub); | |
2821 | ret = dhd_set_suspend(val, &dhd->pub); | |
2822 | dhd_os_proto_unblock(&dhd->pub); | |
2823 | } | |
2824 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
2825 | return ret; | |
2826 | } | |
2827 | ||
2828 | int net_os_set_dtim_skip(struct net_device *dev, int val) | |
2829 | { | |
2830 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
2831 | ||
2832 | if (dhd) | |
2833 | dhd->pub.dtim_skip = val; | |
2834 | ||
2835 | return 0; | |
2836 | } | |
2837 | ||
2838 | int net_os_set_packet_filter(struct net_device *dev, int val) | |
2839 | { | |
2840 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
2841 | int ret = 0; | |
2842 | ||
2843 | /* Packet filtering is set only if we still in early-suspend and | |
2844 | * we need either to turn it ON or turn it OFF | |
2845 | * We can always turn it OFF in case of early-suspend, but we turn it | |
2846 | * back ON only if suspend_disable_flag was not set | |
2847 | */ | |
2848 | if (dhd && dhd->pub.up) { | |
2849 | dhd_os_proto_block(&dhd->pub); | |
2850 | if (dhd->pub.in_suspend) { | |
2851 | if (!val || (val && !dhd->pub.suspend_disable_flag)) | |
2852 | dhd_set_packet_filter(val, &dhd->pub); | |
2853 | } | |
2854 | dhd_os_proto_unblock(&dhd->pub); | |
2855 | } | |
2856 | return ret; | |
2857 | } | |
2858 | ||
2859 | void dhd_dev_init_ioctl(struct net_device *dev) | |
2860 | { | |
2861 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2862 | ||
2863 | dhd_preinit_ioctls(&dhd->pub); | |
2864 | } | |
2865 | ||
2866 | #ifdef PNO_SUPPORT | |
2867 | /* Linux wrapper to call common dhd_pno_clean */ | |
2868 | int dhd_dev_pno_reset(struct net_device *dev) | |
2869 | { | |
2870 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2871 | ||
2872 | return dhd_pno_clean(&dhd->pub); | |
2873 | } | |
2874 | ||
2875 | /* Linux wrapper to call common dhd_pno_enable */ | |
2876 | int dhd_dev_pno_enable(struct net_device *dev, int pfn_enabled) | |
2877 | { | |
2878 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2879 | ||
2880 | return dhd_pno_enable(&dhd->pub, pfn_enabled); | |
2881 | } | |
2882 | ||
2883 | /* Linux wrapper to call common dhd_pno_set */ | |
2884 | int | |
2885 | dhd_dev_pno_set(struct net_device *dev, wlc_ssid_t *ssids_local, int nssid, | |
2886 | uchar scan_fr) | |
2887 | { | |
2888 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2889 | ||
2890 | return dhd_pno_set(&dhd->pub, ssids_local, nssid, scan_fr); | |
2891 | } | |
2892 | ||
2893 | /* Linux wrapper to get pno status */ | |
2894 | int dhd_dev_get_pno_status(struct net_device *dev) | |
2895 | { | |
2896 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2897 | ||
2898 | return dhd_pno_get_status(&dhd->pub); | |
2899 | } | |
2900 | ||
2901 | #endif /* PNO_SUPPORT */ | |
2902 | ||
2903 | static int dhd_get_pend_8021x_cnt(dhd_info_t *dhd) | |
2904 | { | |
2905 | return atomic_read(&dhd->pend_8021x_cnt); | |
2906 | } | |
2907 | ||
2908 | #define MAX_WAIT_FOR_8021X_TX 10 | |
2909 | ||
2910 | int dhd_wait_pend8021x(struct net_device *dev) | |
2911 | { | |
2912 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2913 | int timeout = 10 * HZ / 1000; | |
2914 | int ntimes = MAX_WAIT_FOR_8021X_TX; | |
2915 | int pend = dhd_get_pend_8021x_cnt(dhd); | |
2916 | ||
2917 | while (ntimes && pend) { | |
2918 | if (pend) { | |
2919 | set_current_state(TASK_INTERRUPTIBLE); | |
2920 | schedule_timeout(timeout); | |
2921 | set_current_state(TASK_RUNNING); | |
2922 | ntimes--; | |
2923 | } | |
2924 | pend = dhd_get_pend_8021x_cnt(dhd); | |
2925 | } | |
2926 | return pend; | |
2927 | } | |
2928 | ||
2929 | #ifdef DHD_DEBUG | |
2930 | int write_to_file(dhd_pub_t *dhd, uint8 *buf, int size) | |
2931 | { | |
2932 | int ret = 0; | |
2933 | struct file *fp; | |
2934 | mm_segment_t old_fs; | |
2935 | loff_t pos = 0; | |
2936 | ||
2937 | /* change to KERNEL_DS address limit */ | |
2938 | old_fs = get_fs(); | |
2939 | set_fs(KERNEL_DS); | |
2940 | ||
2941 | /* open file to write */ | |
2942 | fp = filp_open("/tmp/mem_dump", O_WRONLY | O_CREAT, 0640); | |
2943 | if (!fp) { | |
2944 | printf("%s: open file error\n", __func__); | |
2945 | ret = -1; | |
2946 | goto exit; | |
2947 | } | |
2948 | ||
2949 | /* Write buf to file */ | |
2950 | fp->f_op->write(fp, buf, size, &pos); | |
2951 | ||
2952 | exit: | |
2953 | /* free buf before return */ | |
2954 | MFREE(dhd->osh, buf, size); | |
2955 | /* close file before return */ | |
2956 | if (fp) | |
2957 | filp_close(fp, current->files); | |
2958 | /* restore previous address limit */ | |
2959 | set_fs(old_fs); | |
2960 | ||
2961 | return ret; | |
2962 | } | |
2963 | #endif /* DHD_DEBUG */ |