diff options
Diffstat (limited to 'drivers/net/wireless/bcm4329/dhd_linux.c')
-rw-r--r-- | drivers/net/wireless/bcm4329/dhd_linux.c | 3451 |
1 files changed, 3451 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcm4329/dhd_linux.c b/drivers/net/wireless/bcm4329/dhd_linux.c new file mode 100644 index 00000000000..2327ad5fa40 --- /dev/null +++ b/drivers/net/wireless/bcm4329/dhd_linux.c | |||
@@ -0,0 +1,3451 @@ | |||
1 | /* | ||
2 | * Broadcom Dongle Host Driver (DHD), Linux-specific network interface | ||
3 | * Basically selected code segments from usb-cdc.c and usb-rndis.c | ||
4 | * | ||
5 | * Copyright (C) 1999-2010, Broadcom Corporation | ||
6 | * | ||
7 | * Unless you and Broadcom execute a separate written software license | ||
8 | * agreement governing use of this software, this software is licensed to you | ||
9 | * under the terms of the GNU General Public License version 2 (the "GPL"), | ||
10 | * available at http://www.broadcom.com/licenses/GPLv2.php, with the | ||
11 | * following added to such license: | ||
12 | * | ||
13 | * As a special exception, the copyright holders of this software give you | ||
14 | * permission to link this software with independent modules, and to copy and | ||
15 | * distribute the resulting executable under terms of your choice, provided that | ||
16 | * you also meet, for each linked independent module, the terms and conditions of | ||
17 | * the license of that module. An independent module is a module which is not | ||
18 | * derived from this software. The special exception does not apply to any | ||
19 | * modifications of the software. | ||
20 | * | ||
21 | * Notwithstanding the above, under no circumstances may you combine this | ||
22 | * software in any way with any other Broadcom software provided under a license | ||
23 | * other than the GPL, without Broadcom's express prior written consent. | ||
24 | * | ||
25 | * $Id: dhd_linux.c,v 1.65.4.9.2.12.2.104.4.40 2011/02/03 19:55:18 Exp $ | ||
26 | */ | ||
27 | |||
28 | #include <typedefs.h> | ||
29 | #include <linuxver.h> | ||
30 | #include <osl.h> | ||
31 | |||
32 | #include <linux/init.h> | ||
33 | #include <linux/kernel.h> | ||
34 | #include <linux/slab.h> | ||
35 | #include <linux/skbuff.h> | ||
36 | #include <linux/netdevice.h> | ||
37 | #include <linux/etherdevice.h> | ||
38 | #include <linux/random.h> | ||
39 | #include <linux/spinlock.h> | ||
40 | #include <linux/ethtool.h> | ||
41 | #include <linux/fcntl.h> | ||
42 | #include <linux/fs.h> | ||
43 | #include <linux/inetdevice.h> | ||
44 | #include <linux/mutex.h> | ||
45 | #include <linux/device.h> | ||
46 | |||
47 | #include <asm/uaccess.h> | ||
48 | #include <asm/unaligned.h> | ||
49 | |||
50 | #include <epivers.h> | ||
51 | #include <bcmutils.h> | ||
52 | #include <bcmendian.h> | ||
53 | |||
54 | #include <proto/ethernet.h> | ||
55 | #include <dngl_stats.h> | ||
56 | #include <dhd.h> | ||
57 | #include <dhd_bus.h> | ||
58 | #include <dhd_proto.h> | ||
59 | #include <dhd_dbg.h> | ||
60 | #include <wl_iw.h> | ||
61 | #ifdef CONFIG_HAS_WAKELOCK | ||
62 | #include <linux/wakelock.h> | ||
63 | #endif | ||
64 | #ifdef CUSTOMER_HW2 | ||
65 | #include <linux/platform_device.h> | ||
66 | #ifdef CONFIG_WIFI_CONTROL_FUNC | ||
67 | #include <linux/wlan_plat.h> | ||
68 | static struct wifi_platform_data *wifi_control_data = NULL; | ||
69 | #endif | ||
70 | struct semaphore wifi_control_sem; | ||
71 | |||
72 | static struct resource *wifi_irqres = NULL; | ||
73 | |||
74 | int wifi_get_irq_number(unsigned long *irq_flags_ptr) | ||
75 | { | ||
76 | if (wifi_irqres) { | ||
77 | *irq_flags_ptr = wifi_irqres->flags & IRQF_TRIGGER_MASK; | ||
78 | return (int)wifi_irqres->start; | ||
79 | } | ||
80 | #ifdef CUSTOM_OOB_GPIO_NUM | ||
81 | return CUSTOM_OOB_GPIO_NUM; | ||
82 | #else | ||
83 | return -1; | ||
84 | #endif | ||
85 | } | ||
86 | |||
87 | int wifi_set_carddetect(int on) | ||
88 | { | ||
89 | printk("%s = %d\n", __FUNCTION__, on); | ||
90 | #ifdef CONFIG_WIFI_CONTROL_FUNC | ||
91 | if (wifi_control_data && wifi_control_data->set_carddetect) { | ||
92 | wifi_control_data->set_carddetect(on); | ||
93 | } | ||
94 | #endif | ||
95 | return 0; | ||
96 | } | ||
97 | |||
98 | int wifi_set_power(int on, unsigned long msec) | ||
99 | { | ||
100 | printk("%s = %d\n", __FUNCTION__, on); | ||
101 | #ifdef CONFIG_WIFI_CONTROL_FUNC | ||
102 | if (wifi_control_data && wifi_control_data->set_power) { | ||
103 | wifi_control_data->set_power(on); | ||
104 | } | ||
105 | #endif | ||
106 | if (msec) | ||
107 | mdelay(msec); | ||
108 | return 0; | ||
109 | } | ||
110 | |||
111 | int wifi_set_reset(int on, unsigned long msec) | ||
112 | { | ||
113 | DHD_TRACE(("%s = %d\n", __FUNCTION__, on)); | ||
114 | #ifdef CONFIG_WIFI_CONTROL_FUNC | ||
115 | if (wifi_control_data && wifi_control_data->set_reset) { | ||
116 | wifi_control_data->set_reset(on); | ||
117 | } | ||
118 | #endif | ||
119 | if (msec) | ||
120 | mdelay(msec); | ||
121 | return 0; | ||
122 | } | ||
123 | |||
124 | int wifi_get_mac_addr(unsigned char *buf) | ||
125 | { | ||
126 | DHD_TRACE(("%s\n", __FUNCTION__)); | ||
127 | if (!buf) | ||
128 | return -EINVAL; | ||
129 | #ifdef CONFIG_WIFI_CONTROL_FUNC | ||
130 | if (wifi_control_data && wifi_control_data->get_mac_addr) { | ||
131 | return wifi_control_data->get_mac_addr(buf); | ||
132 | } | ||
133 | #endif | ||
134 | return -EOPNOTSUPP; | ||
135 | } | ||
136 | |||
137 | void *wifi_get_country_code(char *ccode) | ||
138 | { | ||
139 | DHD_TRACE(("%s\n", __FUNCTION__)); | ||
140 | #ifdef CONFIG_WIFI_CONTROL_FUNC | ||
141 | if (!ccode) | ||
142 | return NULL; | ||
143 | if (wifi_control_data && wifi_control_data->get_country_code) { | ||
144 | return wifi_control_data->get_country_code(ccode); | ||
145 | } | ||
146 | #endif | ||
147 | return NULL; | ||
148 | } | ||
149 | |||
150 | static int wifi_probe(struct platform_device *pdev) | ||
151 | { | ||
152 | #ifdef CONFIG_WIFI_CONTROL_FUNC | ||
153 | struct wifi_platform_data *wifi_ctrl = | ||
154 | (struct wifi_platform_data *)(pdev->dev.platform_data); | ||
155 | |||
156 | wifi_control_data = wifi_ctrl; | ||
157 | #endif | ||
158 | |||
159 | DHD_TRACE(("## %s\n", __FUNCTION__)); | ||
160 | wifi_irqres = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "bcm4329_wlan_irq"); | ||
161 | |||
162 | wifi_set_power(1, 0); /* Power On */ | ||
163 | wifi_set_carddetect(1); /* CardDetect (0->1) */ | ||
164 | |||
165 | up(&wifi_control_sem); | ||
166 | return 0; | ||
167 | } | ||
168 | |||
169 | static int wifi_remove(struct platform_device *pdev) | ||
170 | { | ||
171 | #ifdef CONFIG_WIFI_CONTROL_FUNC | ||
172 | struct wifi_platform_data *wifi_ctrl = | ||
173 | (struct wifi_platform_data *)(pdev->dev.platform_data); | ||
174 | |||
175 | wifi_control_data = wifi_ctrl; | ||
176 | #endif | ||
177 | DHD_TRACE(("## %s\n", __FUNCTION__)); | ||
178 | wifi_set_power(0, 0); /* Power Off */ | ||
179 | wifi_set_carddetect(0); /* CardDetect (1->0) */ | ||
180 | |||
181 | up(&wifi_control_sem); | ||
182 | return 0; | ||
183 | } | ||
184 | |||
185 | static int wifi_suspend(struct platform_device *pdev, pm_message_t state) | ||
186 | { | ||
187 | DHD_TRACE(("##> %s\n", __FUNCTION__)); | ||
188 | #if defined(OOB_INTR_ONLY) | ||
189 | bcmsdh_oob_intr_set(0); | ||
190 | #endif /* (OOB_INTR_ONLY) */ | ||
191 | return 0; | ||
192 | } | ||
193 | static int wifi_resume(struct platform_device *pdev) | ||
194 | { | ||
195 | DHD_TRACE(("##> %s\n", __FUNCTION__)); | ||
196 | #if defined(OOB_INTR_ONLY) | ||
197 | bcmsdh_oob_intr_set(1); | ||
198 | #endif /* (OOB_INTR_ONLY) */ | ||
199 | return 0; | ||
200 | } | ||
201 | |||
202 | static struct platform_driver wifi_device = { | ||
203 | .probe = wifi_probe, | ||
204 | .remove = wifi_remove, | ||
205 | .suspend = wifi_suspend, | ||
206 | .resume = wifi_resume, | ||
207 | .driver = { | ||
208 | .name = "bcm4329_wlan", | ||
209 | } | ||
210 | }; | ||
211 | |||
212 | int wifi_add_dev(void) | ||
213 | { | ||
214 | DHD_TRACE(("## Calling platform_driver_register\n")); | ||
215 | return platform_driver_register(&wifi_device); | ||
216 | } | ||
217 | |||
218 | void wifi_del_dev(void) | ||
219 | { | ||
220 | DHD_TRACE(("## Unregister platform_driver_register\n")); | ||
221 | platform_driver_unregister(&wifi_device); | ||
222 | } | ||
223 | #endif /* defined(CUSTOMER_HW2) */ | ||
224 | |||
225 | static int dhd_device_event(struct notifier_block *this, unsigned long event, | ||
226 | void *ptr); | ||
227 | |||
228 | static struct notifier_block dhd_notifier = { | ||
229 | .notifier_call = dhd_device_event | ||
230 | }; | ||
231 | |||
232 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) | ||
233 | #include <linux/suspend.h> | ||
234 | volatile bool dhd_mmc_suspend = FALSE; | ||
235 | DECLARE_WAIT_QUEUE_HEAD(dhd_dpc_wait); | ||
236 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) */ | ||
237 | |||
238 | #if defined(OOB_INTR_ONLY) | ||
239 | extern void dhd_enable_oob_intr(struct dhd_bus *bus, bool enable); | ||
240 | #endif /* defined(OOB_INTR_ONLY) */ | ||
241 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) | ||
242 | MODULE_LICENSE("GPL v2"); | ||
243 | #endif /* LinuxVer */ | ||
244 | |||
245 | #if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 15) | ||
246 | const char * | ||
247 | print_tainted() | ||
248 | { | ||
249 | return ""; | ||
250 | } | ||
251 | #endif /* LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 15) */ | ||
252 | |||
253 | /* Linux wireless extension support */ | ||
254 | #if defined(CONFIG_WIRELESS_EXT) | ||
255 | #include <wl_iw.h> | ||
256 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | ||
257 | |||
258 | extern int dhdcdc_set_ioctl(dhd_pub_t *dhd, int ifidx, uint cmd, void *buf, uint len); | ||
259 | |||
260 | #if defined(CONFIG_HAS_EARLYSUSPEND) | ||
261 | #include <linux/earlysuspend.h> | ||
262 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | ||
263 | |||
264 | #ifdef PKT_FILTER_SUPPORT | ||
265 | extern void dhd_pktfilter_offload_set(dhd_pub_t * dhd, char *arg); | ||
266 | extern void dhd_pktfilter_offload_enable(dhd_pub_t * dhd, char *arg, int enable, int master_mode); | ||
267 | #endif | ||
268 | |||
269 | /* Interface control information */ | ||
270 | typedef struct dhd_if { | ||
271 | struct dhd_info *info; /* back pointer to dhd_info */ | ||
272 | /* OS/stack specifics */ | ||
273 | struct net_device *net; | ||
274 | struct net_device_stats stats; | ||
275 | int idx; /* iface idx in dongle */ | ||
276 | int state; /* interface state */ | ||
277 | uint subunit; /* subunit */ | ||
278 | uint8 mac_addr[ETHER_ADDR_LEN]; /* assigned MAC address */ | ||
279 | bool attached; /* Delayed attachment when unset */ | ||
280 | bool txflowcontrol; /* Per interface flow control indicator */ | ||
281 | char name[IFNAMSIZ+1]; /* linux interface name */ | ||
282 | } dhd_if_t; | ||
283 | |||
284 | /* Local private structure (extension of pub) */ | ||
285 | typedef struct dhd_info { | ||
286 | #if defined(CONFIG_WIRELESS_EXT) | ||
287 | wl_iw_t iw; /* wireless extensions state (must be first) */ | ||
288 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | ||
289 | |||
290 | dhd_pub_t pub; | ||
291 | |||
292 | /* OS/stack specifics */ | ||
293 | dhd_if_t *iflist[DHD_MAX_IFS]; | ||
294 | |||
295 | struct mutex proto_sem; | ||
296 | wait_queue_head_t ioctl_resp_wait; | ||
297 | struct timer_list timer; | ||
298 | bool wd_timer_valid; | ||
299 | struct tasklet_struct tasklet; | ||
300 | spinlock_t sdlock; | ||
301 | spinlock_t txqlock; | ||
302 | spinlock_t dhd_lock; | ||
303 | |||
304 | /* Thread based operation */ | ||
305 | bool threads_only; | ||
306 | struct mutex sdsem; | ||
307 | long watchdog_pid; | ||
308 | struct semaphore watchdog_sem; | ||
309 | struct completion watchdog_exited; | ||
310 | long dpc_pid; | ||
311 | struct semaphore dpc_sem; | ||
312 | struct completion dpc_exited; | ||
313 | |||
314 | /* Wakelocks */ | ||
315 | #ifdef CONFIG_HAS_WAKELOCK | ||
316 | struct wake_lock wl_wifi; /* Wifi wakelock */ | ||
317 | struct wake_lock wl_rxwake; /* Wifi rx wakelock */ | ||
318 | #endif | ||
319 | spinlock_t wl_lock; | ||
320 | int wl_count; | ||
321 | int wl_packet; | ||
322 | |||
323 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) | ||
324 | struct mutex wl_start_lock; /* mutex when START called to prevent any other Linux calls */ | ||
325 | #endif | ||
326 | /* Thread to issue ioctl for multicast */ | ||
327 | long sysioc_pid; | ||
328 | struct semaphore sysioc_sem; | ||
329 | struct completion sysioc_exited; | ||
330 | bool set_multicast; | ||
331 | bool set_macaddress; | ||
332 | struct ether_addr macvalue; | ||
333 | wait_queue_head_t ctrl_wait; | ||
334 | atomic_t pend_8021x_cnt; | ||
335 | |||
336 | #ifdef CONFIG_HAS_EARLYSUSPEND | ||
337 | struct early_suspend early_suspend; | ||
338 | #endif /* CONFIG_HAS_EARLYSUSPEND */ | ||
339 | } dhd_info_t; | ||
340 | |||
341 | /* Definitions to provide path to the firmware and nvram | ||
342 | * example nvram_path[MOD_PARAM_PATHLEN]="/projects/wlan/nvram.txt" | ||
343 | */ | ||
344 | char firmware_path[MOD_PARAM_PATHLEN]; | ||
345 | char nvram_path[MOD_PARAM_PATHLEN]; | ||
346 | |||
347 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) | ||
348 | struct semaphore dhd_registration_sem; | ||
349 | #define DHD_REGISTRATION_TIMEOUT 24000 /* msec : allowed time to finished dhd registration */ | ||
350 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ | ||
351 | /* load firmware and/or nvram values from the filesystem */ | ||
352 | module_param_string(firmware_path, firmware_path, MOD_PARAM_PATHLEN, 0); | ||
353 | module_param_string(nvram_path, nvram_path, MOD_PARAM_PATHLEN, 0); | ||
354 | |||
355 | /* Error bits */ | ||
356 | module_param(dhd_msg_level, int, 0); | ||
357 | |||
358 | /* Spawn a thread for system ioctls (set mac, set mcast) */ | ||
359 | uint dhd_sysioc = TRUE; | ||
360 | module_param(dhd_sysioc, uint, 0); | ||
361 | |||
362 | /* Watchdog interval */ | ||
363 | uint dhd_watchdog_ms = 10; | ||
364 | module_param(dhd_watchdog_ms, uint, 0); | ||
365 | |||
366 | #ifdef DHD_DEBUG | ||
367 | /* Console poll interval */ | ||
368 | uint dhd_console_ms = 0; | ||
369 | module_param(dhd_console_ms, uint, 0); | ||
370 | #endif /* DHD_DEBUG */ | ||
371 | |||
372 | /* ARP offload agent mode : Enable ARP Host Auto-Reply and ARP Peer Auto-Reply */ | ||
373 | uint dhd_arp_mode = 0xb; | ||
374 | module_param(dhd_arp_mode, uint, 0); | ||
375 | |||
376 | /* ARP offload enable */ | ||
377 | uint dhd_arp_enable = TRUE; | ||
378 | module_param(dhd_arp_enable, uint, 0); | ||
379 | |||
380 | /* Global Pkt filter enable control */ | ||
381 | uint dhd_pkt_filter_enable = TRUE; | ||
382 | module_param(dhd_pkt_filter_enable, uint, 0); | ||
383 | |||
384 | /* Pkt filter init setup */ | ||
385 | uint dhd_pkt_filter_init = 0; | ||
386 | module_param(dhd_pkt_filter_init, uint, 0); | ||
387 | |||
388 | /* Pkt filter mode control */ | ||
389 | uint dhd_master_mode = TRUE; | ||
390 | module_param(dhd_master_mode, uint, 1); | ||
391 | |||
392 | /* Watchdog thread priority, -1 to use kernel timer */ | ||
393 | int dhd_watchdog_prio = 97; | ||
394 | module_param(dhd_watchdog_prio, int, 0); | ||
395 | |||
396 | /* DPC thread priority, -1 to use tasklet */ | ||
397 | int dhd_dpc_prio = 98; | ||
398 | module_param(dhd_dpc_prio, int, 0); | ||
399 | |||
400 | /* DPC thread priority, -1 to use tasklet */ | ||
401 | extern int dhd_dongle_memsize; | ||
402 | module_param(dhd_dongle_memsize, int, 0); | ||
403 | |||
404 | /* Control fw roaming */ | ||
405 | #ifdef CUSTOMER_HW2 | ||
406 | uint dhd_roam = 0; | ||
407 | #else | ||
408 | uint dhd_roam = 1; | ||
409 | #endif | ||
410 | |||
411 | /* Control radio state */ | ||
412 | uint dhd_radio_up = 1; | ||
413 | |||
414 | /* Network inteface name */ | ||
415 | char iface_name[IFNAMSIZ]; | ||
416 | module_param_string(iface_name, iface_name, IFNAMSIZ, 0); | ||
417 | |||
418 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) | ||
419 | #define DAEMONIZE(a) daemonize(a); \ | ||
420 | allow_signal(SIGKILL); \ | ||
421 | allow_signal(SIGTERM); | ||
422 | #else /* Linux 2.4 (w/o preemption patch) */ | ||
423 | #define RAISE_RX_SOFTIRQ() \ | ||
424 | cpu_raise_softirq(smp_processor_id(), NET_RX_SOFTIRQ) | ||
425 | #define DAEMONIZE(a) daemonize(); \ | ||
426 | do { if (a) \ | ||
427 | strncpy(current->comm, a, MIN(sizeof(current->comm), (strlen(a) + 1))); \ | ||
428 | } while (0); | ||
429 | #endif /* LINUX_VERSION_CODE */ | ||
430 | |||
431 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) | ||
432 | #define BLOCKABLE() (!in_atomic()) | ||
433 | #else | ||
434 | #define BLOCKABLE() (!in_interrupt()) | ||
435 | #endif | ||
436 | |||
437 | /* The following are specific to the SDIO dongle */ | ||
438 | |||
439 | /* IOCTL response timeout */ | ||
440 | int dhd_ioctl_timeout_msec = IOCTL_RESP_TIMEOUT; | ||
441 | |||
442 | /* Idle timeout for backplane clock */ | ||
443 | int dhd_idletime = DHD_IDLETIME_TICKS; | ||
444 | module_param(dhd_idletime, int, 0); | ||
445 | |||
446 | /* Use polling */ | ||
447 | uint dhd_poll = FALSE; | ||
448 | module_param(dhd_poll, uint, 0); | ||
449 | |||
450 | /* Use interrupts */ | ||
451 | uint dhd_intr = TRUE; | ||
452 | module_param(dhd_intr, uint, 0); | ||
453 | |||
454 | /* SDIO Drive Strength (in milliamps) */ | ||
455 | uint dhd_sdiod_drive_strength = 6; | ||
456 | module_param(dhd_sdiod_drive_strength, uint, 0); | ||
457 | |||
458 | /* Tx/Rx bounds */ | ||
459 | extern uint dhd_txbound; | ||
460 | extern uint dhd_rxbound; | ||
461 | module_param(dhd_txbound, uint, 0); | ||
462 | module_param(dhd_rxbound, uint, 0); | ||
463 | |||
464 | /* Deferred transmits */ | ||
465 | extern uint dhd_deferred_tx; | ||
466 | module_param(dhd_deferred_tx, uint, 0); | ||
467 | |||
468 | |||
469 | |||
470 | #ifdef SDTEST | ||
471 | /* Echo packet generator (pkts/s) */ | ||
472 | uint dhd_pktgen = 0; | ||
473 | module_param(dhd_pktgen, uint, 0); | ||
474 | |||
475 | /* Echo packet len (0 => sawtooth, max 2040) */ | ||
476 | uint dhd_pktgen_len = 0; | ||
477 | module_param(dhd_pktgen_len, uint, 0); | ||
478 | #endif | ||
479 | |||
480 | /* Version string to report */ | ||
481 | #ifdef DHD_DEBUG | ||
482 | #ifndef SRCBASE | ||
483 | #define SRCBASE "drivers/net/wireless/bcm4329" | ||
484 | #endif | ||
485 | #define DHD_COMPILED "\nCompiled in " SRCBASE | ||
486 | #else | ||
487 | #define DHD_COMPILED | ||
488 | #endif | ||
489 | |||
490 | static char dhd_version[] = "Dongle Host Driver, version " EPI_VERSION_STR | ||
491 | #ifdef DHD_DEBUG | ||
492 | "\nCompiled in " SRCBASE " on " __DATE__ " at " __TIME__ | ||
493 | #endif | ||
494 | ; | ||
495 | |||
496 | |||
497 | #if defined(CONFIG_WIRELESS_EXT) | ||
498 | struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev); | ||
499 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | ||
500 | |||
501 | static void dhd_dpc(ulong data); | ||
502 | /* forward decl */ | ||
503 | extern int dhd_wait_pend8021x(struct net_device *dev); | ||
504 | |||
505 | #ifdef TOE | ||
506 | #ifndef BDC | ||
507 | #error TOE requires BDC | ||
508 | #endif /* !BDC */ | ||
509 | static int dhd_toe_get(dhd_info_t *dhd, int idx, uint32 *toe_ol); | ||
510 | static int dhd_toe_set(dhd_info_t *dhd, int idx, uint32 toe_ol); | ||
511 | #endif /* TOE */ | ||
512 | |||
513 | static int dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, | ||
514 | wl_event_msg_t *event_ptr, void **data_ptr); | ||
515 | |||
516 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) | ||
517 | static int dhd_sleep_pm_callback(struct notifier_block *nfb, unsigned long action, void *ignored) | ||
518 | { | ||
519 | int ret = NOTIFY_DONE; | ||
520 | |||
521 | switch (action) { | ||
522 | case PM_HIBERNATION_PREPARE: | ||
523 | case PM_SUSPEND_PREPARE: | ||
524 | dhd_mmc_suspend = TRUE; | ||
525 | ret = NOTIFY_OK; | ||
526 | break; | ||
527 | case PM_POST_HIBERNATION: | ||
528 | case PM_POST_SUSPEND: | ||
529 | dhd_mmc_suspend = FALSE; | ||
530 | ret = NOTIFY_OK; | ||
531 | break; | ||
532 | } | ||
533 | smp_mb(); | ||
534 | return ret; | ||
535 | } | ||
536 | |||
537 | static struct notifier_block dhd_sleep_pm_notifier = { | ||
538 | .notifier_call = dhd_sleep_pm_callback, | ||
539 | .priority = 0 | ||
540 | }; | ||
541 | extern int register_pm_notifier(struct notifier_block *nb); | ||
542 | extern int unregister_pm_notifier(struct notifier_block *nb); | ||
543 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) */ | ||
544 | |||
545 | static void dhd_set_packet_filter(int value, dhd_pub_t *dhd) | ||
546 | { | ||
547 | #ifdef PKT_FILTER_SUPPORT | ||
548 | DHD_TRACE(("%s: %d\n", __FUNCTION__, value)); | ||
549 | /* 1 - Enable packet filter, only allow unicast packet to send up */ | ||
550 | /* 0 - Disable packet filter */ | ||
551 | if (dhd_pkt_filter_enable) { | ||
552 | int i; | ||
553 | |||
554 | for (i = 0; i < dhd->pktfilter_count; i++) { | ||
555 | dhd_pktfilter_offload_set(dhd, dhd->pktfilter[i]); | ||
556 | dhd_pktfilter_offload_enable(dhd, dhd->pktfilter[i], | ||
557 | value, dhd_master_mode); | ||
558 | } | ||
559 | } | ||
560 | #endif | ||
561 | } | ||
562 | |||
563 | |||
564 | |||
565 | #if defined(CONFIG_HAS_EARLYSUSPEND) | ||
566 | static int dhd_set_suspend(int value, dhd_pub_t *dhd) | ||
567 | { | ||
568 | int power_mode = PM_MAX; | ||
569 | /* wl_pkt_filter_enable_t enable_parm; */ | ||
570 | char iovbuf[32]; | ||
571 | int bcn_li_dtim = 3; | ||
572 | #ifdef CUSTOMER_HW2 | ||
573 | uint roamvar = 1; | ||
574 | #endif /* CUSTOMER_HW2 */ | ||
575 | |||
576 | DHD_TRACE(("%s: enter, value = %d in_suspend = %d\n", | ||
577 | __FUNCTION__, value, dhd->in_suspend)); | ||
578 | |||
579 | if (dhd && dhd->up) { | ||
580 | if (value && dhd->in_suspend) { | ||
581 | |||
582 | /* Kernel suspended */ | ||
583 | DHD_TRACE(("%s: force extra Suspend setting \n", __FUNCTION__)); | ||
584 | |||
585 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, | ||
586 | (char *)&power_mode, sizeof(power_mode)); | ||
587 | |||
588 | /* Enable packet filter, only allow unicast packet to send up */ | ||
589 | dhd_set_packet_filter(1, dhd); | ||
590 | |||
591 | /* if dtim skip setup as default force it to wake each thrid dtim | ||
592 | * for better power saving. | ||
593 | * Note that side effect is chance to miss BC/MC packet | ||
594 | */ | ||
595 | bcn_li_dtim = dhd_get_dtim_skip(dhd); | ||
596 | bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim, | ||
597 | 4, iovbuf, sizeof(iovbuf)); | ||
598 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); | ||
599 | #ifdef CUSTOMER_HW2 | ||
600 | /* Disable build-in roaming during suspend */ | ||
601 | bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, sizeof(iovbuf)); | ||
602 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); | ||
603 | #endif /* CUSTOMER_HW2 */ | ||
604 | |||
605 | } else { | ||
606 | |||
607 | /* Kernel resumed */ | ||
608 | DHD_TRACE(("%s: Remove extra suspend setting \n", __FUNCTION__)); | ||
609 | |||
610 | power_mode = PM_FAST; | ||
611 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, (char *)&power_mode, | ||
612 | sizeof(power_mode)); | ||
613 | |||
614 | /* disable pkt filter */ | ||
615 | dhd_set_packet_filter(0, dhd); | ||
616 | |||
617 | /* restore pre-suspend setting for dtim_skip */ | ||
618 | bcm_mkiovar("bcn_li_dtim", (char *)&dhd->dtim_skip, | ||
619 | 4, iovbuf, sizeof(iovbuf)); | ||
620 | |||
621 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); | ||
622 | #ifdef CUSTOMER_HW2 | ||
623 | roamvar = dhd_roam; | ||
624 | bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, sizeof(iovbuf)); | ||
625 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); | ||
626 | #endif /* CUSTOMER_HW2 */ | ||
627 | } | ||
628 | } | ||
629 | |||
630 | return 0; | ||
631 | } | ||
632 | |||
633 | static void dhd_suspend_resume_helper(struct dhd_info *dhd, int val) | ||
634 | { | ||
635 | dhd_pub_t *dhdp = &dhd->pub; | ||
636 | |||
637 | dhd_os_wake_lock(dhdp); | ||
638 | dhd_os_proto_block(dhdp); | ||
639 | /* Set flag when early suspend was called */ | ||
640 | dhdp->in_suspend = val; | ||
641 | if (!dhdp->suspend_disable_flag) | ||
642 | dhd_set_suspend(val, dhdp); | ||
643 | dhd_os_proto_unblock(dhdp); | ||
644 | dhd_os_wake_unlock(dhdp); | ||
645 | } | ||
646 | |||
647 | static void dhd_early_suspend(struct early_suspend *h) | ||
648 | { | ||
649 | struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); | ||
650 | |||
651 | DHD_TRACE(("%s: enter\n", __FUNCTION__)); | ||
652 | |||
653 | if (dhd) | ||
654 | dhd_suspend_resume_helper(dhd, 1); | ||
655 | } | ||
656 | |||
657 | static void dhd_late_resume(struct early_suspend *h) | ||
658 | { | ||
659 | struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); | ||
660 | |||
661 | DHD_TRACE(("%s: enter\n", __FUNCTION__)); | ||
662 | |||
663 | if (dhd) | ||
664 | dhd_suspend_resume_helper(dhd, 0); | ||
665 | } | ||
666 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | ||
667 | |||
668 | /* | ||
669 | * Generalized timeout mechanism. Uses spin sleep with exponential back-off until | ||
670 | * the sleep time reaches one jiffy, then switches over to task delay. Usage: | ||
671 | * | ||
672 | * dhd_timeout_start(&tmo, usec); | ||
673 | * while (!dhd_timeout_expired(&tmo)) | ||
674 | * if (poll_something()) | ||
675 | * break; | ||
676 | * if (dhd_timeout_expired(&tmo)) | ||
677 | * fatal(); | ||
678 | */ | ||
679 | |||
680 | void | ||
681 | dhd_timeout_start(dhd_timeout_t *tmo, uint usec) | ||
682 | { | ||
683 | tmo->limit = usec; | ||
684 | tmo->increment = 0; | ||
685 | tmo->elapsed = 0; | ||
686 | tmo->tick = 1000000 / HZ; | ||
687 | } | ||
688 | |||
689 | int | ||
690 | dhd_timeout_expired(dhd_timeout_t *tmo) | ||
691 | { | ||
692 | /* Does nothing the first call */ | ||
693 | if (tmo->increment == 0) { | ||
694 | tmo->increment = 1; | ||
695 | return 0; | ||
696 | } | ||
697 | |||
698 | if (tmo->elapsed >= tmo->limit) | ||
699 | return 1; | ||
700 | |||
701 | /* Add the delay that's about to take place */ | ||
702 | tmo->elapsed += tmo->increment; | ||
703 | |||
704 | if (tmo->increment < tmo->tick) { | ||
705 | OSL_DELAY(tmo->increment); | ||
706 | tmo->increment *= 2; | ||
707 | if (tmo->increment > tmo->tick) | ||
708 | tmo->increment = tmo->tick; | ||
709 | } else { | ||
710 | wait_queue_head_t delay_wait; | ||
711 | DECLARE_WAITQUEUE(wait, current); | ||
712 | int pending; | ||
713 | init_waitqueue_head(&delay_wait); | ||
714 | add_wait_queue(&delay_wait, &wait); | ||
715 | set_current_state(TASK_INTERRUPTIBLE); | ||
716 | schedule_timeout(1); | ||
717 | pending = signal_pending(current); | ||
718 | remove_wait_queue(&delay_wait, &wait); | ||
719 | set_current_state(TASK_RUNNING); | ||
720 | if (pending) | ||
721 | return 1; /* Interrupted */ | ||
722 | } | ||
723 | |||
724 | return 0; | ||
725 | } | ||
726 | |||
727 | static int | ||
728 | dhd_net2idx(dhd_info_t *dhd, struct net_device *net) | ||
729 | { | ||
730 | int i = 0; | ||
731 | |||
732 | ASSERT(dhd); | ||
733 | while (i < DHD_MAX_IFS) { | ||
734 | if (dhd->iflist[i] && (dhd->iflist[i]->net == net)) | ||
735 | return i; | ||
736 | i++; | ||
737 | } | ||
738 | |||
739 | return DHD_BAD_IF; | ||
740 | } | ||
741 | |||
742 | int | ||
743 | dhd_ifname2idx(dhd_info_t *dhd, char *name) | ||
744 | { | ||
745 | int i = DHD_MAX_IFS; | ||
746 | |||
747 | ASSERT(dhd); | ||
748 | |||
749 | if (name == NULL || *name == '\0') | ||
750 | return 0; | ||
751 | |||
752 | while (--i > 0) | ||
753 | if (dhd->iflist[i] && !strncmp(dhd->iflist[i]->name, name, IFNAMSIZ)) | ||
754 | break; | ||
755 | |||
756 | DHD_TRACE(("%s: return idx %d for \"%s\"\n", __FUNCTION__, i, name)); | ||
757 | |||
758 | return i; /* default - the primary interface */ | ||
759 | } | ||
760 | |||
761 | char * | ||
762 | dhd_ifname(dhd_pub_t *dhdp, int ifidx) | ||
763 | { | ||
764 | dhd_info_t *dhd = (dhd_info_t *)dhdp->info; | ||
765 | |||
766 | ASSERT(dhd); | ||
767 | |||
768 | if (ifidx < 0 || ifidx >= DHD_MAX_IFS) { | ||
769 | DHD_ERROR(("%s: ifidx %d out of range\n", __FUNCTION__, ifidx)); | ||
770 | return "<if_bad>"; | ||
771 | } | ||
772 | |||
773 | if (dhd->iflist[ifidx] == NULL) { | ||
774 | DHD_ERROR(("%s: null i/f %d\n", __FUNCTION__, ifidx)); | ||
775 | return "<if_null>"; | ||
776 | } | ||
777 | |||
778 | if (dhd->iflist[ifidx]->net) | ||
779 | return dhd->iflist[ifidx]->net->name; | ||
780 | |||
781 | return "<if_none>"; | ||
782 | } | ||
783 | |||
784 | static void | ||
785 | _dhd_set_multicast_list(dhd_info_t *dhd, int ifidx) | ||
786 | { | ||
787 | struct net_device *dev; | ||
788 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) | ||
789 | struct netdev_hw_addr *ha; | ||
790 | #else | ||
791 | struct dev_mc_list *mclist; | ||
792 | #endif | ||
793 | uint32 allmulti, cnt; | ||
794 | |||
795 | wl_ioctl_t ioc; | ||
796 | char *buf, *bufp; | ||
797 | uint buflen; | ||
798 | int ret; | ||
799 | |||
800 | ASSERT(dhd && dhd->iflist[ifidx]); | ||
801 | dev = dhd->iflist[ifidx]->net; | ||
802 | |||
803 | NETIF_ADDR_LOCK(dev); | ||
804 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) | ||
805 | cnt = netdev_mc_count(dev); | ||
806 | #else | ||
807 | cnt = dev->mc_count; | ||
808 | #endif | ||
809 | NETIF_ADDR_UNLOCK(dev); | ||
810 | |||
811 | /* Determine initial value of allmulti flag */ | ||
812 | allmulti = (dev->flags & IFF_ALLMULTI) ? TRUE : FALSE; | ||
813 | |||
814 | /* Send down the multicast list first. */ | ||
815 | buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETHER_ADDR_LEN); | ||
816 | if (!(bufp = buf = MALLOC(dhd->pub.osh, buflen))) { | ||
817 | DHD_ERROR(("%s: out of memory for mcast_list, cnt %d\n", | ||
818 | dhd_ifname(&dhd->pub, ifidx), cnt)); | ||
819 | return; | ||
820 | } | ||
821 | |||
822 | strcpy(bufp, "mcast_list"); | ||
823 | bufp += strlen("mcast_list") + 1; | ||
824 | |||
825 | cnt = htol32(cnt); | ||
826 | memcpy(bufp, &cnt, sizeof(cnt)); | ||
827 | bufp += sizeof(cnt); | ||
828 | |||
829 | NETIF_ADDR_LOCK(dev); | ||
830 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) | ||
831 | netdev_for_each_mc_addr(ha, dev) { | ||
832 | if (!cnt) | ||
833 | break; | ||
834 | memcpy(bufp, ha->addr, ETHER_ADDR_LEN); | ||
835 | bufp += ETHER_ADDR_LEN; | ||
836 | cnt--; | ||
837 | } | ||
838 | #else | ||
839 | for (mclist = dev->mc_list; (mclist && (cnt > 0)); cnt--, mclist = mclist->next) { | ||
840 | memcpy(bufp, (void *)mclist->dmi_addr, ETHER_ADDR_LEN); | ||
841 | bufp += ETHER_ADDR_LEN; | ||
842 | } | ||
843 | #endif | ||
844 | NETIF_ADDR_UNLOCK(dev); | ||
845 | |||
846 | memset(&ioc, 0, sizeof(ioc)); | ||
847 | ioc.cmd = WLC_SET_VAR; | ||
848 | ioc.buf = buf; | ||
849 | ioc.len = buflen; | ||
850 | ioc.set = TRUE; | ||
851 | |||
852 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | ||
853 | if (ret < 0) { | ||
854 | DHD_ERROR(("%s: set mcast_list failed, cnt %d\n", | ||
855 | dhd_ifname(&dhd->pub, ifidx), cnt)); | ||
856 | allmulti = cnt ? TRUE : allmulti; | ||
857 | } | ||
858 | |||
859 | MFREE(dhd->pub.osh, buf, buflen); | ||
860 | |||
861 | /* Now send the allmulti setting. This is based on the setting in the | ||
862 | * net_device flags, but might be modified above to be turned on if we | ||
863 | * were trying to set some addresses and dongle rejected it... | ||
864 | */ | ||
865 | |||
866 | buflen = sizeof("allmulti") + sizeof(allmulti); | ||
867 | if (!(buf = MALLOC(dhd->pub.osh, buflen))) { | ||
868 | DHD_ERROR(("%s: out of memory for allmulti\n", dhd_ifname(&dhd->pub, ifidx))); | ||
869 | return; | ||
870 | } | ||
871 | allmulti = htol32(allmulti); | ||
872 | |||
873 | if (!bcm_mkiovar("allmulti", (void*)&allmulti, sizeof(allmulti), buf, buflen)) { | ||
874 | DHD_ERROR(("%s: mkiovar failed for allmulti, datalen %d buflen %u\n", | ||
875 | dhd_ifname(&dhd->pub, ifidx), (int)sizeof(allmulti), buflen)); | ||
876 | MFREE(dhd->pub.osh, buf, buflen); | ||
877 | return; | ||
878 | } | ||
879 | |||
880 | |||
881 | memset(&ioc, 0, sizeof(ioc)); | ||
882 | ioc.cmd = WLC_SET_VAR; | ||
883 | ioc.buf = buf; | ||
884 | ioc.len = buflen; | ||
885 | ioc.set = TRUE; | ||
886 | |||
887 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | ||
888 | if (ret < 0) { | ||
889 | DHD_ERROR(("%s: set allmulti %d failed\n", | ||
890 | dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti))); | ||
891 | } | ||
892 | |||
893 | MFREE(dhd->pub.osh, buf, buflen); | ||
894 | |||
895 | /* Finally, pick up the PROMISC flag as well, like the NIC driver does */ | ||
896 | |||
897 | allmulti = (dev->flags & IFF_PROMISC) ? TRUE : FALSE; | ||
898 | allmulti = htol32(allmulti); | ||
899 | |||
900 | memset(&ioc, 0, sizeof(ioc)); | ||
901 | ioc.cmd = WLC_SET_PROMISC; | ||
902 | ioc.buf = &allmulti; | ||
903 | ioc.len = sizeof(allmulti); | ||
904 | ioc.set = TRUE; | ||
905 | |||
906 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | ||
907 | if (ret < 0) { | ||
908 | DHD_ERROR(("%s: set promisc %d failed\n", | ||
909 | dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti))); | ||
910 | } | ||
911 | } | ||
912 | |||
913 | static int | ||
914 | _dhd_set_mac_address(dhd_info_t *dhd, int ifidx, struct ether_addr *addr) | ||
915 | { | ||
916 | char buf[32]; | ||
917 | wl_ioctl_t ioc; | ||
918 | int ret; | ||
919 | |||
920 | DHD_TRACE(("%s enter\n", __FUNCTION__)); | ||
921 | if (!bcm_mkiovar("cur_etheraddr", (char*)addr, ETHER_ADDR_LEN, buf, 32)) { | ||
922 | DHD_ERROR(("%s: mkiovar failed for cur_etheraddr\n", dhd_ifname(&dhd->pub, ifidx))); | ||
923 | return -1; | ||
924 | } | ||
925 | memset(&ioc, 0, sizeof(ioc)); | ||
926 | ioc.cmd = WLC_SET_VAR; | ||
927 | ioc.buf = buf; | ||
928 | ioc.len = 32; | ||
929 | ioc.set = TRUE; | ||
930 | |||
931 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | ||
932 | if (ret < 0) { | ||
933 | DHD_ERROR(("%s: set cur_etheraddr failed\n", dhd_ifname(&dhd->pub, ifidx))); | ||
934 | } else { | ||
935 | memcpy(dhd->iflist[ifidx]->net->dev_addr, addr, ETHER_ADDR_LEN); | ||
936 | } | ||
937 | |||
938 | return ret; | ||
939 | } | ||
940 | |||
941 | #ifdef SOFTAP | ||
942 | extern struct net_device *ap_net_dev; | ||
943 | /* semaphore that the soft AP CODE waits on */ | ||
944 | extern struct semaphore ap_eth_sema; | ||
945 | #endif | ||
946 | |||
947 | static void | ||
948 | dhd_op_if(dhd_if_t *ifp) | ||
949 | { | ||
950 | dhd_info_t *dhd; | ||
951 | int ret = 0, err = 0; | ||
952 | #ifdef SOFTAP | ||
953 | unsigned long flags; | ||
954 | #endif | ||
955 | |||
956 | ASSERT(ifp && ifp->info && ifp->idx); /* Virtual interfaces only */ | ||
957 | |||
958 | dhd = ifp->info; | ||
959 | |||
960 | DHD_TRACE(("%s: idx %d, state %d\n", __FUNCTION__, ifp->idx, ifp->state)); | ||
961 | |||
962 | switch (ifp->state) { | ||
963 | case WLC_E_IF_ADD: | ||
964 | /* | ||
965 | * Delete the existing interface before overwriting it | ||
966 | * in case we missed the WLC_E_IF_DEL event. | ||
967 | */ | ||
968 | if (ifp->net != NULL) { | ||
969 | DHD_ERROR(("%s: ERROR: netdev:%s already exists, try free & unregister \n", | ||
970 | __FUNCTION__, ifp->net->name)); | ||
971 | netif_stop_queue(ifp->net); | ||
972 | unregister_netdev(ifp->net); | ||
973 | free_netdev(ifp->net); | ||
974 | } | ||
975 | /* Allocate etherdev, including space for private structure */ | ||
976 | if (!(ifp->net = alloc_etherdev(sizeof(dhd)))) { | ||
977 | DHD_ERROR(("%s: OOM - alloc_etherdev\n", __FUNCTION__)); | ||
978 | ret = -ENOMEM; | ||
979 | } | ||
980 | if (ret == 0) { | ||
981 | strcpy(ifp->net->name, ifp->name); | ||
982 | memcpy(netdev_priv(ifp->net), &dhd, sizeof(dhd)); | ||
983 | if ((err = dhd_net_attach(&dhd->pub, ifp->idx)) != 0) { | ||
984 | DHD_ERROR(("%s: dhd_net_attach failed, err %d\n", | ||
985 | __FUNCTION__, err)); | ||
986 | ret = -EOPNOTSUPP; | ||
987 | } else { | ||
988 | #ifdef SOFTAP | ||
989 | flags = dhd_os_spin_lock(&dhd->pub); | ||
990 | /* save ptr to wl0.1 netdev for use in wl_iw.c */ | ||
991 | ap_net_dev = ifp->net; | ||
992 | /* signal to the SOFTAP 'sleeper' thread, wl0.1 is ready */ | ||
993 | up(&ap_eth_sema); | ||
994 | dhd_os_spin_unlock(&dhd->pub, flags); | ||
995 | #endif | ||
996 | DHD_TRACE(("\n ==== pid:%x, net_device for if:%s created ===\n\n", | ||
997 | current->pid, ifp->net->name)); | ||
998 | ifp->state = 0; | ||
999 | } | ||
1000 | } | ||
1001 | break; | ||
1002 | case WLC_E_IF_DEL: | ||
1003 | if (ifp->net != NULL) { | ||
1004 | DHD_TRACE(("\n%s: got 'WLC_E_IF_DEL' state\n", __FUNCTION__)); | ||
1005 | netif_stop_queue(ifp->net); | ||
1006 | unregister_netdev(ifp->net); | ||
1007 | ret = DHD_DEL_IF; /* Make sure the free_netdev() is called */ | ||
1008 | } | ||
1009 | break; | ||
1010 | default: | ||
1011 | DHD_ERROR(("%s: bad op %d\n", __FUNCTION__, ifp->state)); | ||
1012 | ASSERT(!ifp->state); | ||
1013 | break; | ||
1014 | } | ||
1015 | |||
1016 | if (ret < 0) { | ||
1017 | if (ifp->net) { | ||
1018 | free_netdev(ifp->net); | ||
1019 | } | ||
1020 | dhd->iflist[ifp->idx] = NULL; | ||
1021 | MFREE(dhd->pub.osh, ifp, sizeof(*ifp)); | ||
1022 | #ifdef SOFTAP | ||
1023 | flags = dhd_os_spin_lock(&dhd->pub); | ||
1024 | if (ifp->net == ap_net_dev) | ||
1025 | ap_net_dev = NULL; /* NULL SOFTAP global as well */ | ||
1026 | dhd_os_spin_unlock(&dhd->pub, flags); | ||
1027 | #endif /* SOFTAP */ | ||
1028 | } | ||
1029 | } | ||
1030 | |||
1031 | static int | ||
1032 | _dhd_sysioc_thread(void *data) | ||
1033 | { | ||
1034 | dhd_info_t *dhd = (dhd_info_t *)data; | ||
1035 | int i; | ||
1036 | #ifdef SOFTAP | ||
1037 | bool in_ap = FALSE; | ||
1038 | unsigned long flags; | ||
1039 | #endif | ||
1040 | |||
1041 | DAEMONIZE("dhd_sysioc"); | ||
1042 | |||
1043 | while (down_interruptible(&dhd->sysioc_sem) == 0) { | ||
1044 | dhd_os_start_lock(&dhd->pub); | ||
1045 | dhd_os_wake_lock(&dhd->pub); | ||
1046 | for (i = 0; i < DHD_MAX_IFS; i++) { | ||
1047 | if (dhd->iflist[i]) { | ||
1048 | DHD_TRACE(("%s: interface %d\n",__FUNCTION__, i)); | ||
1049 | #ifdef SOFTAP | ||
1050 | flags = dhd_os_spin_lock(&dhd->pub); | ||
1051 | in_ap = (ap_net_dev != NULL); | ||
1052 | dhd_os_spin_unlock(&dhd->pub, flags); | ||
1053 | #endif /* SOFTAP */ | ||
1054 | if (dhd->iflist[i]->state) | ||
1055 | dhd_op_if(dhd->iflist[i]); | ||
1056 | #ifdef SOFTAP | ||
1057 | if (dhd->iflist[i] == NULL) { | ||
1058 | DHD_TRACE(("%s: interface %d just been removed!\n\n", __FUNCTION__, i)); | ||
1059 | continue; | ||
1060 | } | ||
1061 | |||
1062 | if (in_ap && dhd->set_macaddress) { | ||
1063 | DHD_TRACE(("attempt to set MAC for %s in AP Mode blocked.\n", dhd->iflist[i]->net->name)); | ||
1064 | dhd->set_macaddress = FALSE; | ||
1065 | continue; | ||
1066 | } | ||
1067 | |||
1068 | if (in_ap && dhd->set_multicast) { | ||
1069 | DHD_TRACE(("attempt to set MULTICAST list for %s in AP Mode blocked.\n", dhd->iflist[i]->net->name)); | ||
1070 | dhd->set_multicast = FALSE; | ||
1071 | continue; | ||
1072 | } | ||
1073 | #endif /* SOFTAP */ | ||
1074 | if (dhd->set_multicast) { | ||
1075 | dhd->set_multicast = FALSE; | ||
1076 | _dhd_set_multicast_list(dhd, i); | ||
1077 | } | ||
1078 | if (dhd->set_macaddress) { | ||
1079 | dhd->set_macaddress = FALSE; | ||
1080 | _dhd_set_mac_address(dhd, i, &dhd->macvalue); | ||
1081 | } | ||
1082 | } | ||
1083 | } | ||
1084 | dhd_os_wake_unlock(&dhd->pub); | ||
1085 | dhd_os_start_unlock(&dhd->pub); | ||
1086 | } | ||
1087 | DHD_TRACE(("%s: stopped\n",__FUNCTION__)); | ||
1088 | complete_and_exit(&dhd->sysioc_exited, 0); | ||
1089 | } | ||
1090 | |||
1091 | static int | ||
1092 | dhd_set_mac_address(struct net_device *dev, void *addr) | ||
1093 | { | ||
1094 | int ret = 0; | ||
1095 | |||
1096 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
1097 | struct sockaddr *sa = (struct sockaddr *)addr; | ||
1098 | int ifidx; | ||
1099 | |||
1100 | DHD_TRACE(("%s: Enter\n",__FUNCTION__)); | ||
1101 | ifidx = dhd_net2idx(dhd, dev); | ||
1102 | if (ifidx == DHD_BAD_IF) | ||
1103 | return -1; | ||
1104 | |||
1105 | ASSERT(dhd->sysioc_pid >= 0); | ||
1106 | memcpy(&dhd->macvalue, sa->sa_data, ETHER_ADDR_LEN); | ||
1107 | dhd->set_macaddress = TRUE; | ||
1108 | up(&dhd->sysioc_sem); | ||
1109 | |||
1110 | return ret; | ||
1111 | } | ||
1112 | |||
1113 | static void | ||
1114 | dhd_set_multicast_list(struct net_device *dev) | ||
1115 | { | ||
1116 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
1117 | int ifidx; | ||
1118 | |||
1119 | DHD_TRACE(("%s: Enter\n",__FUNCTION__)); | ||
1120 | ifidx = dhd_net2idx(dhd, dev); | ||
1121 | if (ifidx == DHD_BAD_IF) | ||
1122 | return; | ||
1123 | |||
1124 | ASSERT(dhd->sysioc_pid >= 0); | ||
1125 | dhd->set_multicast = TRUE; | ||
1126 | up(&dhd->sysioc_sem); | ||
1127 | } | ||
1128 | |||
1129 | int | ||
1130 | dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, void *pktbuf) | ||
1131 | { | ||
1132 | int ret; | ||
1133 | dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); | ||
1134 | |||
1135 | /* Reject if down */ | ||
1136 | if (!dhdp->up || (dhdp->busstate == DHD_BUS_DOWN)) { | ||
1137 | return -ENODEV; | ||
1138 | } | ||
1139 | |||
1140 | /* Update multicast statistic */ | ||
1141 | if (PKTLEN(dhdp->osh, pktbuf) >= ETHER_ADDR_LEN) { | ||
1142 | uint8 *pktdata = (uint8 *)PKTDATA(dhdp->osh, pktbuf); | ||
1143 | struct ether_header *eh = (struct ether_header *)pktdata; | ||
1144 | |||
1145 | if (ETHER_ISMULTI(eh->ether_dhost)) | ||
1146 | dhdp->tx_multicast++; | ||
1147 | if (ntoh16(eh->ether_type) == ETHER_TYPE_802_1X) | ||
1148 | atomic_inc(&dhd->pend_8021x_cnt); | ||
1149 | } | ||
1150 | |||
1151 | /* Look into the packet and update the packet priority */ | ||
1152 | if ((PKTPRIO(pktbuf) == 0)) | ||
1153 | pktsetprio(pktbuf, FALSE); | ||
1154 | |||
1155 | /* If the protocol uses a data header, apply it */ | ||
1156 | dhd_prot_hdrpush(dhdp, ifidx, pktbuf); | ||
1157 | |||
1158 | /* Use bus module to send data frame */ | ||
1159 | #ifdef BCMDBUS | ||
1160 | ret = dbus_send_pkt(dhdp->dbus, pktbuf, NULL /* pktinfo */); | ||
1161 | #else | ||
1162 | ret = dhd_bus_txdata(dhdp->bus, pktbuf); | ||
1163 | #endif /* BCMDBUS */ | ||
1164 | |||
1165 | return ret; | ||
1166 | } | ||
1167 | |||
1168 | static int | ||
1169 | dhd_start_xmit(struct sk_buff *skb, struct net_device *net) | ||
1170 | { | ||
1171 | int ret; | ||
1172 | void *pktbuf; | ||
1173 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net); | ||
1174 | int ifidx; | ||
1175 | |||
1176 | DHD_TRACE(("%s: Enter\n", __FUNCTION__)); | ||
1177 | |||
1178 | dhd_os_wake_lock(&dhd->pub); | ||
1179 | |||
1180 | /* Reject if down */ | ||
1181 | if (!dhd->pub.up || (dhd->pub.busstate == DHD_BUS_DOWN)) { | ||
1182 | DHD_ERROR(("%s: xmit rejected pub.up=%d busstate=%d\n", | ||
1183 | __FUNCTION__, dhd->pub.up, dhd->pub.busstate)); | ||
1184 | netif_stop_queue(net); | ||
1185 | /* Send Event when bus down detected during data session */ | ||
1186 | if (dhd->pub.busstate == DHD_BUS_DOWN) { | ||
1187 | DHD_ERROR(("%s: Event HANG send up\n", __FUNCTION__)); | ||
1188 | net_os_send_hang_message(net); | ||
1189 | } | ||
1190 | dhd_os_wake_unlock(&dhd->pub); | ||
1191 | return -ENODEV; | ||
1192 | } | ||
1193 | |||
1194 | ifidx = dhd_net2idx(dhd, net); | ||
1195 | if (ifidx == DHD_BAD_IF) { | ||
1196 | DHD_ERROR(("%s: bad ifidx %d\n", __FUNCTION__, ifidx)); | ||
1197 | netif_stop_queue(net); | ||
1198 | dhd_os_wake_unlock(&dhd->pub); | ||
1199 | return -ENODEV; | ||
1200 | } | ||
1201 | |||
1202 | /* Make sure there's enough room for any header */ | ||
1203 | if (skb_headroom(skb) < dhd->pub.hdrlen) { | ||
1204 | struct sk_buff *skb2; | ||
1205 | |||
1206 | DHD_INFO(("%s: insufficient headroom\n", | ||
1207 | dhd_ifname(&dhd->pub, ifidx))); | ||
1208 | dhd->pub.tx_realloc++; | ||
1209 | skb2 = skb_realloc_headroom(skb, dhd->pub.hdrlen); | ||
1210 | dev_kfree_skb(skb); | ||
1211 | if ((skb = skb2) == NULL) { | ||
1212 | DHD_ERROR(("%s: skb_realloc_headroom failed\n", | ||
1213 | dhd_ifname(&dhd->pub, ifidx))); | ||
1214 | ret = -ENOMEM; | ||
1215 | goto done; | ||
1216 | } | ||
1217 | } | ||
1218 | |||
1219 | /* Convert to packet */ | ||
1220 | if (!(pktbuf = PKTFRMNATIVE(dhd->pub.osh, skb))) { | ||
1221 | DHD_ERROR(("%s: PKTFRMNATIVE failed\n", | ||
1222 | dhd_ifname(&dhd->pub, ifidx))); | ||
1223 | dev_kfree_skb_any(skb); | ||
1224 | ret = -ENOMEM; | ||
1225 | goto done; | ||
1226 | } | ||
1227 | |||
1228 | ret = dhd_sendpkt(&dhd->pub, ifidx, pktbuf); | ||
1229 | |||
1230 | done: | ||
1231 | if (ret) | ||
1232 | dhd->pub.dstats.tx_dropped++; | ||
1233 | else | ||
1234 | dhd->pub.tx_packets++; | ||
1235 | |||
1236 | dhd_os_wake_unlock(&dhd->pub); | ||
1237 | |||
1238 | /* Return ok: we always eat the packet */ | ||
1239 | return 0; | ||
1240 | } | ||
1241 | |||
1242 | void | ||
1243 | dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool state) | ||
1244 | { | ||
1245 | struct net_device *net; | ||
1246 | dhd_info_t *dhd = dhdp->info; | ||
1247 | |||
1248 | DHD_TRACE(("%s: Enter\n", __FUNCTION__)); | ||
1249 | |||
1250 | dhdp->txoff = state; | ||
1251 | ASSERT(dhd && dhd->iflist[ifidx]); | ||
1252 | net = dhd->iflist[ifidx]->net; | ||
1253 | if (state == ON) | ||
1254 | netif_stop_queue(net); | ||
1255 | else | ||
1256 | netif_wake_queue(net); | ||
1257 | } | ||
1258 | |||
1259 | void | ||
1260 | dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, void *pktbuf, int numpkt) | ||
1261 | { | ||
1262 | dhd_info_t *dhd = (dhd_info_t *)dhdp->info; | ||
1263 | struct sk_buff *skb; | ||
1264 | uchar *eth; | ||
1265 | uint len; | ||
1266 | void * data, *pnext, *save_pktbuf; | ||
1267 | int i; | ||
1268 | dhd_if_t *ifp; | ||
1269 | wl_event_msg_t event; | ||
1270 | |||
1271 | DHD_TRACE(("%s: Enter\n", __FUNCTION__)); | ||
1272 | |||
1273 | save_pktbuf = pktbuf; | ||
1274 | |||
1275 | for (i = 0; pktbuf && i < numpkt; i++, pktbuf = pnext) { | ||
1276 | |||
1277 | pnext = PKTNEXT(dhdp->osh, pktbuf); | ||
1278 | PKTSETNEXT(wl->sh.osh, pktbuf, NULL); | ||
1279 | |||
1280 | |||
1281 | skb = PKTTONATIVE(dhdp->osh, pktbuf); | ||
1282 | |||
1283 | /* Get the protocol, maintain skb around eth_type_trans() | ||
1284 | * The main reason for this hack is for the limitation of | ||
1285 | * Linux 2.4 where 'eth_type_trans' uses the 'net->hard_header_len' | ||
1286 | * to perform skb_pull inside vs ETH_HLEN. Since to avoid | ||
1287 | * coping of the packet coming from the network stack to add | ||
1288 | * BDC, Hardware header etc, during network interface registration | ||
1289 | * we set the 'net->hard_header_len' to ETH_HLEN + extra space required | ||
1290 | * for BDC, Hardware header etc. and not just the ETH_HLEN | ||
1291 | */ | ||
1292 | eth = skb->data; | ||
1293 | len = skb->len; | ||
1294 | |||
1295 | ifp = dhd->iflist[ifidx]; | ||
1296 | if (ifp == NULL) | ||
1297 | ifp = dhd->iflist[0]; | ||
1298 | |||
1299 | ASSERT(ifp); | ||
1300 | skb->dev = ifp->net; | ||
1301 | skb->protocol = eth_type_trans(skb, skb->dev); | ||
1302 | |||
1303 | if (skb->pkt_type == PACKET_MULTICAST) { | ||
1304 | dhd->pub.rx_multicast++; | ||
1305 | } | ||
1306 | |||
1307 | skb->data = eth; | ||
1308 | skb->len = len; | ||
1309 | |||
1310 | /* Strip header, count, deliver upward */ | ||
1311 | skb_pull(skb, ETH_HLEN); | ||
1312 | |||
1313 | /* Process special event packets and then discard them */ | ||
1314 | if (ntoh16(skb->protocol) == ETHER_TYPE_BRCM) | ||
1315 | dhd_wl_host_event(dhd, &ifidx, | ||
1316 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) | ||
1317 | skb->mac_header, | ||
1318 | #else | ||
1319 | skb->mac.raw, | ||
1320 | #endif | ||
1321 | &event, | ||
1322 | &data); | ||
1323 | |||
1324 | ASSERT(ifidx < DHD_MAX_IFS && dhd->iflist[ifidx]); | ||
1325 | if (dhd->iflist[ifidx] && !dhd->iflist[ifidx]->state) | ||
1326 | ifp = dhd->iflist[ifidx]; | ||
1327 | |||
1328 | if (ifp->net) | ||
1329 | ifp->net->last_rx = jiffies; | ||
1330 | |||
1331 | dhdp->dstats.rx_bytes += skb->len; | ||
1332 | dhdp->rx_packets++; /* Local count */ | ||
1333 | |||
1334 | if (in_interrupt()) { | ||
1335 | netif_rx(skb); | ||
1336 | } else { | ||
1337 | /* If the receive is not processed inside an ISR, | ||
1338 | * the softirqd must be woken explicitly to service | ||
1339 | * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled | ||
1340 | * by netif_rx_ni(), but in earlier kernels, we need | ||
1341 | * to do it manually. | ||
1342 | */ | ||
1343 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) | ||
1344 | netif_rx_ni(skb); | ||
1345 | #else | ||
1346 | ulong flags; | ||
1347 | netif_rx(skb); | ||
1348 | local_irq_save(flags); | ||
1349 | RAISE_RX_SOFTIRQ(); | ||
1350 | local_irq_restore(flags); | ||
1351 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) */ | ||
1352 | } | ||
1353 | } | ||
1354 | dhd_os_wake_lock_timeout_enable(dhdp); | ||
1355 | } | ||
1356 | |||
1357 | void | ||
1358 | dhd_event(struct dhd_info *dhd, char *evpkt, int evlen, int ifidx) | ||
1359 | { | ||
1360 | /* Linux version has nothing to do */ | ||
1361 | return; | ||
1362 | } | ||
1363 | |||
1364 | void | ||
1365 | dhd_txcomplete(dhd_pub_t *dhdp, void *txp, bool success) | ||
1366 | { | ||
1367 | uint ifidx; | ||
1368 | dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); | ||
1369 | struct ether_header *eh; | ||
1370 | uint16 type; | ||
1371 | |||
1372 | dhd_prot_hdrpull(dhdp, &ifidx, txp); | ||
1373 | |||
1374 | eh = (struct ether_header *)PKTDATA(dhdp->osh, txp); | ||
1375 | type = ntoh16(eh->ether_type); | ||
1376 | |||
1377 | if (type == ETHER_TYPE_802_1X) | ||
1378 | atomic_dec(&dhd->pend_8021x_cnt); | ||
1379 | |||
1380 | } | ||
1381 | |||
1382 | static struct net_device_stats * | ||
1383 | dhd_get_stats(struct net_device *net) | ||
1384 | { | ||
1385 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net); | ||
1386 | dhd_if_t *ifp; | ||
1387 | int ifidx; | ||
1388 | |||
1389 | DHD_TRACE(("%s: Enter\n", __FUNCTION__)); | ||
1390 | |||
1391 | ifidx = dhd_net2idx(dhd, net); | ||
1392 | if (ifidx == DHD_BAD_IF) | ||
1393 | return NULL; | ||
1394 | |||
1395 | ifp = dhd->iflist[ifidx]; | ||
1396 | ASSERT(dhd && ifp); | ||
1397 | |||
1398 | if (dhd->pub.up) { | ||
1399 | /* Use the protocol to get dongle stats */ | ||
1400 | dhd_prot_dstats(&dhd->pub); | ||
1401 | } | ||
1402 | |||
1403 | /* Copy dongle stats to net device stats */ | ||
1404 | ifp->stats.rx_packets = dhd->pub.dstats.rx_packets; | ||
1405 | ifp->stats.tx_packets = dhd->pub.dstats.tx_packets; | ||
1406 | ifp->stats.rx_bytes = dhd->pub.dstats.rx_bytes; | ||
1407 | ifp->stats.tx_bytes = dhd->pub.dstats.tx_bytes; | ||
1408 | ifp->stats.rx_errors = dhd->pub.dstats.rx_errors; | ||
1409 | ifp->stats.tx_errors = dhd->pub.dstats.tx_errors; | ||
1410 | ifp->stats.rx_dropped = dhd->pub.dstats.rx_dropped; | ||
1411 | ifp->stats.tx_dropped = dhd->pub.dstats.tx_dropped; | ||
1412 | ifp->stats.multicast = dhd->pub.dstats.multicast; | ||
1413 | |||
1414 | return &ifp->stats; | ||
1415 | } | ||
1416 | |||
1417 | static int | ||
1418 | dhd_watchdog_thread(void *data) | ||
1419 | { | ||
1420 | dhd_info_t *dhd = (dhd_info_t *)data; | ||
1421 | |||
1422 | /* This thread doesn't need any user-level access, | ||
1423 | * so get rid of all our resources | ||
1424 | */ | ||
1425 | #ifdef DHD_SCHED | ||
1426 | if (dhd_watchdog_prio > 0) { | ||
1427 | struct sched_param param; | ||
1428 | param.sched_priority = (dhd_watchdog_prio < MAX_RT_PRIO)? | ||
1429 | dhd_watchdog_prio:(MAX_RT_PRIO-1); | ||
1430 | setScheduler(current, SCHED_FIFO, ¶m); | ||
1431 | } | ||
1432 | #endif /* DHD_SCHED */ | ||
1433 | |||
1434 | DAEMONIZE("dhd_watchdog"); | ||
1435 | |||
1436 | /* Run until signal received */ | ||
1437 | while (1) { | ||
1438 | if (down_interruptible (&dhd->watchdog_sem) == 0) { | ||
1439 | dhd_os_sdlock(&dhd->pub); | ||
1440 | if (dhd->pub.dongle_reset == FALSE) { | ||
1441 | DHD_TIMER(("%s:\n", __FUNCTION__)); | ||
1442 | /* Call the bus module watchdog */ | ||
1443 | dhd_bus_watchdog(&dhd->pub); | ||
1444 | |||
1445 | /* Count the tick for reference */ | ||
1446 | dhd->pub.tickcnt++; | ||
1447 | |||
1448 | /* Reschedule the watchdog */ | ||
1449 | if (dhd->wd_timer_valid) | ||
1450 | mod_timer(&dhd->timer, jiffies + dhd_watchdog_ms * HZ / 1000); | ||
1451 | } | ||
1452 | dhd_os_sdunlock(&dhd->pub); | ||
1453 | dhd_os_wake_unlock(&dhd->pub); | ||
1454 | } else { | ||
1455 | break; | ||
1456 | } | ||
1457 | } | ||
1458 | |||
1459 | complete_and_exit(&dhd->watchdog_exited, 0); | ||
1460 | } | ||
1461 | |||
1462 | static void | ||
1463 | dhd_watchdog(ulong data) | ||
1464 | { | ||
1465 | dhd_info_t *dhd = (dhd_info_t *)data; | ||
1466 | |||
1467 | dhd_os_wake_lock(&dhd->pub); | ||
1468 | if (dhd->pub.dongle_reset) { | ||
1469 | dhd_os_wake_unlock(&dhd->pub); | ||
1470 | return; | ||
1471 | } | ||
1472 | |||
1473 | if (dhd->watchdog_pid >= 0) { | ||
1474 | up(&dhd->watchdog_sem); | ||
1475 | return; | ||
1476 | } | ||
1477 | |||
1478 | dhd_os_sdlock(&dhd->pub); | ||
1479 | /* Call the bus module watchdog */ | ||
1480 | dhd_bus_watchdog(&dhd->pub); | ||
1481 | |||
1482 | /* Count the tick for reference */ | ||
1483 | dhd->pub.tickcnt++; | ||
1484 | |||
1485 | /* Reschedule the watchdog */ | ||
1486 | if (dhd->wd_timer_valid) | ||
1487 | mod_timer(&dhd->timer, jiffies + dhd_watchdog_ms * HZ / 1000); | ||
1488 | dhd_os_sdunlock(&dhd->pub); | ||
1489 | dhd_os_wake_unlock(&dhd->pub); | ||
1490 | } | ||
1491 | |||
1492 | static int | ||
1493 | dhd_dpc_thread(void *data) | ||
1494 | { | ||
1495 | dhd_info_t *dhd = (dhd_info_t *)data; | ||
1496 | |||
1497 | /* This thread doesn't need any user-level access, | ||
1498 | * so get rid of all our resources | ||
1499 | */ | ||
1500 | #ifdef DHD_SCHED | ||
1501 | if (dhd_dpc_prio > 0) | ||
1502 | { | ||
1503 | struct sched_param param; | ||
1504 | param.sched_priority = (dhd_dpc_prio < MAX_RT_PRIO)?dhd_dpc_prio:(MAX_RT_PRIO-1); | ||
1505 | setScheduler(current, SCHED_FIFO, ¶m); | ||
1506 | } | ||
1507 | #endif /* DHD_SCHED */ | ||
1508 | |||
1509 | DAEMONIZE("dhd_dpc"); | ||
1510 | |||
1511 | /* Run until signal received */ | ||
1512 | while (1) { | ||
1513 | if (down_interruptible(&dhd->dpc_sem) == 0) { | ||
1514 | /* Call bus dpc unless it indicated down (then clean stop) */ | ||
1515 | if (dhd->pub.busstate != DHD_BUS_DOWN) { | ||
1516 | if (dhd_bus_dpc(dhd->pub.bus)) { | ||
1517 | up(&dhd->dpc_sem); | ||
1518 | } | ||
1519 | else { | ||
1520 | dhd_os_wake_unlock(&dhd->pub); | ||
1521 | } | ||
1522 | } else { | ||
1523 | if (dhd->pub.up) | ||
1524 | dhd_bus_stop(dhd->pub.bus, TRUE); | ||
1525 | dhd_os_wake_unlock(&dhd->pub); | ||
1526 | } | ||
1527 | } | ||
1528 | else | ||
1529 | break; | ||
1530 | } | ||
1531 | |||
1532 | complete_and_exit(&dhd->dpc_exited, 0); | ||
1533 | } | ||
1534 | |||
1535 | static void | ||
1536 | dhd_dpc(ulong data) | ||
1537 | { | ||
1538 | dhd_info_t *dhd; | ||
1539 | |||
1540 | dhd = (dhd_info_t *)data; | ||
1541 | |||
1542 | /* Call bus dpc unless it indicated down (then clean stop) */ | ||
1543 | if (dhd->pub.busstate != DHD_BUS_DOWN) { | ||
1544 | if (dhd_bus_dpc(dhd->pub.bus)) | ||
1545 | tasklet_schedule(&dhd->tasklet); | ||
1546 | } else { | ||
1547 | dhd_bus_stop(dhd->pub.bus, TRUE); | ||
1548 | } | ||
1549 | } | ||
1550 | |||
1551 | void | ||
1552 | dhd_sched_dpc(dhd_pub_t *dhdp) | ||
1553 | { | ||
1554 | dhd_info_t *dhd = (dhd_info_t *)dhdp->info; | ||
1555 | |||
1556 | dhd_os_wake_lock(dhdp); | ||
1557 | if (dhd->dpc_pid >= 0) { | ||
1558 | up(&dhd->dpc_sem); | ||
1559 | return; | ||
1560 | } | ||
1561 | |||
1562 | tasklet_schedule(&dhd->tasklet); | ||
1563 | } | ||
1564 | |||
1565 | #ifdef TOE | ||
1566 | /* Retrieve current toe component enables, which are kept as a bitmap in toe_ol iovar */ | ||
1567 | static int | ||
1568 | dhd_toe_get(dhd_info_t *dhd, int ifidx, uint32 *toe_ol) | ||
1569 | { | ||
1570 | wl_ioctl_t ioc; | ||
1571 | char buf[32]; | ||
1572 | int ret; | ||
1573 | |||
1574 | memset(&ioc, 0, sizeof(ioc)); | ||
1575 | |||
1576 | ioc.cmd = WLC_GET_VAR; | ||
1577 | ioc.buf = buf; | ||
1578 | ioc.len = (uint)sizeof(buf); | ||
1579 | ioc.set = FALSE; | ||
1580 | |||
1581 | strcpy(buf, "toe_ol"); | ||
1582 | if ((ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) { | ||
1583 | /* Check for older dongle image that doesn't support toe_ol */ | ||
1584 | if (ret == -EIO) { | ||
1585 | DHD_ERROR(("%s: toe not supported by device\n", | ||
1586 | dhd_ifname(&dhd->pub, ifidx))); | ||
1587 | return -EOPNOTSUPP; | ||
1588 | } | ||
1589 | |||
1590 | DHD_INFO(("%s: could not get toe_ol: ret=%d\n", dhd_ifname(&dhd->pub, ifidx), ret)); | ||
1591 | return ret; | ||
1592 | } | ||
1593 | |||
1594 | memcpy(toe_ol, buf, sizeof(uint32)); | ||
1595 | return 0; | ||
1596 | } | ||
1597 | |||
1598 | /* Set current toe component enables in toe_ol iovar, and set toe global enable iovar */ | ||
1599 | static int | ||
1600 | dhd_toe_set(dhd_info_t *dhd, int ifidx, uint32 toe_ol) | ||
1601 | { | ||
1602 | wl_ioctl_t ioc; | ||
1603 | char buf[32]; | ||
1604 | int toe, ret; | ||
1605 | |||
1606 | memset(&ioc, 0, sizeof(ioc)); | ||
1607 | |||
1608 | ioc.cmd = WLC_SET_VAR; | ||
1609 | ioc.buf = buf; | ||
1610 | ioc.len = (uint)sizeof(buf); | ||
1611 | ioc.set = TRUE; | ||
1612 | |||
1613 | /* Set toe_ol as requested */ | ||
1614 | |||
1615 | strcpy(buf, "toe_ol"); | ||
1616 | memcpy(&buf[sizeof("toe_ol")], &toe_ol, sizeof(uint32)); | ||
1617 | |||
1618 | if ((ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) { | ||
1619 | DHD_ERROR(("%s: could not set toe_ol: ret=%d\n", | ||
1620 | dhd_ifname(&dhd->pub, ifidx), ret)); | ||
1621 | return ret; | ||
1622 | } | ||
1623 | |||
1624 | /* Enable toe globally only if any components are enabled. */ | ||
1625 | |||
1626 | toe = (toe_ol != 0); | ||
1627 | |||
1628 | strcpy(buf, "toe"); | ||
1629 | memcpy(&buf[sizeof("toe")], &toe, sizeof(uint32)); | ||
1630 | |||
1631 | if ((ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) { | ||
1632 | DHD_ERROR(("%s: could not set toe: ret=%d\n", dhd_ifname(&dhd->pub, ifidx), ret)); | ||
1633 | return ret; | ||
1634 | } | ||
1635 | |||
1636 | return 0; | ||
1637 | } | ||
1638 | #endif /* TOE */ | ||
1639 | |||
1640 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) | ||
1641 | static void dhd_ethtool_get_drvinfo(struct net_device *net, | ||
1642 | struct ethtool_drvinfo *info) | ||
1643 | { | ||
1644 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net); | ||
1645 | |||
1646 | sprintf(info->driver, "wl"); | ||
1647 | sprintf(info->version, "%lu", dhd->pub.drv_version); | ||
1648 | } | ||
1649 | |||
1650 | struct ethtool_ops dhd_ethtool_ops = { | ||
1651 | .get_drvinfo = dhd_ethtool_get_drvinfo | ||
1652 | }; | ||
1653 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) */ | ||
1654 | |||
1655 | |||
1656 | #if LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) | ||
1657 | static int | ||
1658 | dhd_ethtool(dhd_info_t *dhd, void *uaddr) | ||
1659 | { | ||
1660 | struct ethtool_drvinfo info; | ||
1661 | char drvname[sizeof(info.driver)]; | ||
1662 | uint32 cmd; | ||
1663 | #ifdef TOE | ||
1664 | struct ethtool_value edata; | ||
1665 | uint32 toe_cmpnt, csum_dir; | ||
1666 | int ret; | ||
1667 | #endif | ||
1668 | |||
1669 | DHD_TRACE(("%s: Enter\n", __FUNCTION__)); | ||
1670 | |||
1671 | /* all ethtool calls start with a cmd word */ | ||
1672 | if (copy_from_user(&cmd, uaddr, sizeof (uint32))) | ||
1673 | return -EFAULT; | ||
1674 | |||
1675 | switch (cmd) { | ||
1676 | case ETHTOOL_GDRVINFO: | ||
1677 | /* Copy out any request driver name */ | ||
1678 | if (copy_from_user(&info, uaddr, sizeof(info))) | ||
1679 | return -EFAULT; | ||
1680 | strncpy(drvname, info.driver, sizeof(info.driver)); | ||
1681 | drvname[sizeof(info.driver)-1] = '\0'; | ||
1682 | |||
1683 | /* clear struct for return */ | ||
1684 | memset(&info, 0, sizeof(info)); | ||
1685 | info.cmd = cmd; | ||
1686 | |||
1687 | /* if dhd requested, identify ourselves */ | ||
1688 | if (strcmp(drvname, "?dhd") == 0) { | ||
1689 | sprintf(info.driver, "dhd"); | ||
1690 | strcpy(info.version, EPI_VERSION_STR); | ||
1691 | } | ||
1692 | |||
1693 | /* otherwise, require dongle to be up */ | ||
1694 | else if (!dhd->pub.up) { | ||
1695 | DHD_ERROR(("%s: dongle is not up\n", __FUNCTION__)); | ||
1696 | return -ENODEV; | ||
1697 | } | ||
1698 | |||
1699 | /* finally, report dongle driver type */ | ||
1700 | else if (dhd->pub.iswl) | ||
1701 | sprintf(info.driver, "wl"); | ||
1702 | else | ||
1703 | sprintf(info.driver, "xx"); | ||
1704 | |||
1705 | sprintf(info.version, "%lu", dhd->pub.drv_version); | ||
1706 | if (copy_to_user(uaddr, &info, sizeof(info))) | ||
1707 | return -EFAULT; | ||
1708 | DHD_CTL(("%s: given %*s, returning %s\n", __FUNCTION__, | ||
1709 | (int)sizeof(drvname), drvname, info.driver)); | ||
1710 | break; | ||
1711 | |||
1712 | #ifdef TOE | ||
1713 | /* Get toe offload components from dongle */ | ||
1714 | case ETHTOOL_GRXCSUM: | ||
1715 | case ETHTOOL_GTXCSUM: | ||
1716 | if ((ret = dhd_toe_get(dhd, 0, &toe_cmpnt)) < 0) | ||
1717 | return ret; | ||
1718 | |||
1719 | csum_dir = (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | ||
1720 | |||
1721 | edata.cmd = cmd; | ||
1722 | edata.data = (toe_cmpnt & csum_dir) ? 1 : 0; | ||
1723 | |||
1724 | if (copy_to_user(uaddr, &edata, sizeof(edata))) | ||
1725 | return -EFAULT; | ||
1726 | break; | ||
1727 | |||
1728 | /* Set toe offload components in dongle */ | ||
1729 | case ETHTOOL_SRXCSUM: | ||
1730 | case ETHTOOL_STXCSUM: | ||
1731 | if (copy_from_user(&edata, uaddr, sizeof(edata))) | ||
1732 | return -EFAULT; | ||
1733 | |||
1734 | /* Read the current settings, update and write back */ | ||
1735 | if ((ret = dhd_toe_get(dhd, 0, &toe_cmpnt)) < 0) | ||
1736 | return ret; | ||
1737 | |||
1738 | csum_dir = (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | ||
1739 | |||
1740 | if (edata.data != 0) | ||
1741 | toe_cmpnt |= csum_dir; | ||
1742 | else | ||
1743 | toe_cmpnt &= ~csum_dir; | ||
1744 | |||
1745 | if ((ret = dhd_toe_set(dhd, 0, toe_cmpnt)) < 0) | ||
1746 | return ret; | ||
1747 | |||
1748 | /* If setting TX checksum mode, tell Linux the new mode */ | ||
1749 | if (cmd == ETHTOOL_STXCSUM) { | ||
1750 | if (edata.data) | ||
1751 | dhd->iflist[0]->net->features |= NETIF_F_IP_CSUM; | ||
1752 | else | ||
1753 | dhd->iflist[0]->net->features &= ~NETIF_F_IP_CSUM; | ||
1754 | } | ||
1755 | |||
1756 | break; | ||
1757 | #endif /* TOE */ | ||
1758 | |||
1759 | default: | ||
1760 | return -EOPNOTSUPP; | ||
1761 | } | ||
1762 | |||
1763 | return 0; | ||
1764 | } | ||
1765 | #endif /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) */ | ||
1766 | |||
1767 | static int | ||
1768 | dhd_ioctl_entry(struct net_device *net, struct ifreq *ifr, int cmd) | ||
1769 | { | ||
1770 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net); | ||
1771 | dhd_ioctl_t ioc; | ||
1772 | int bcmerror = 0; | ||
1773 | int buflen = 0; | ||
1774 | void *buf = NULL; | ||
1775 | uint driver = 0; | ||
1776 | int ifidx; | ||
1777 | bool is_set_key_cmd; | ||
1778 | int ret; | ||
1779 | |||
1780 | dhd_os_wake_lock(&dhd->pub); | ||
1781 | |||
1782 | /* send to dongle only if we are not waiting for reload already */ | ||
1783 | if (dhd->pub.hang_was_sent) { | ||
1784 | DHD_ERROR(("%s: HANG was sent up earlier\n", __FUNCTION__)); | ||
1785 | dhd_os_wake_lock_timeout_enable(&dhd->pub); | ||
1786 | dhd_os_wake_unlock(&dhd->pub); | ||
1787 | return OSL_ERROR(BCME_DONGLE_DOWN); | ||
1788 | } | ||
1789 | |||
1790 | ifidx = dhd_net2idx(dhd, net); | ||
1791 | DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __FUNCTION__, ifidx, cmd)); | ||
1792 | |||
1793 | if (ifidx == DHD_BAD_IF) { | ||
1794 | dhd_os_wake_unlock(&dhd->pub); | ||
1795 | return -1; | ||
1796 | } | ||
1797 | |||
1798 | #if defined(CONFIG_WIRELESS_EXT) | ||
1799 | /* linux wireless extensions */ | ||
1800 | if ((cmd >= SIOCIWFIRST) && (cmd <= SIOCIWLAST)) { | ||
1801 | /* may recurse, do NOT lock */ | ||
1802 | ret = wl_iw_ioctl(net, ifr, cmd); | ||
1803 | dhd_os_wake_unlock(&dhd->pub); | ||
1804 | return ret; | ||
1805 | } | ||
1806 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | ||
1807 | |||
1808 | #if LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) | ||
1809 | if (cmd == SIOCETHTOOL) { | ||
1810 | ret = dhd_ethtool(dhd, (void*)ifr->ifr_data); | ||
1811 | dhd_os_wake_unlock(&dhd->pub); | ||
1812 | return ret; | ||
1813 | } | ||
1814 | #endif /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) */ | ||
1815 | |||
1816 | if (cmd != SIOCDEVPRIVATE) { | ||
1817 | dhd_os_wake_unlock(&dhd->pub); | ||
1818 | return -EOPNOTSUPP; | ||
1819 | } | ||
1820 | |||
1821 | memset(&ioc, 0, sizeof(ioc)); | ||
1822 | |||
1823 | /* Copy the ioc control structure part of ioctl request */ | ||
1824 | if (copy_from_user(&ioc, ifr->ifr_data, sizeof(wl_ioctl_t))) { | ||
1825 | bcmerror = -BCME_BADADDR; | ||
1826 | goto done; | ||
1827 | } | ||
1828 | |||
1829 | /* Copy out any buffer passed */ | ||
1830 | if (ioc.buf) { | ||
1831 | buflen = MIN(ioc.len, DHD_IOCTL_MAXLEN); | ||
1832 | /* optimization for direct ioctl calls from kernel */ | ||
1833 | /* | ||
1834 | if (segment_eq(get_fs(), KERNEL_DS)) { | ||
1835 | buf = ioc.buf; | ||
1836 | } else { | ||
1837 | */ | ||
1838 | { | ||
1839 | if (!(buf = (char*)MALLOC(dhd->pub.osh, buflen))) { | ||
1840 | bcmerror = -BCME_NOMEM; | ||
1841 | goto done; | ||
1842 | } | ||
1843 | if (copy_from_user(buf, ioc.buf, buflen)) { | ||
1844 | bcmerror = -BCME_BADADDR; | ||
1845 | goto done; | ||
1846 | } | ||
1847 | } | ||
1848 | } | ||
1849 | |||
1850 | /* To differentiate between wl and dhd read 4 more byes */ | ||
1851 | if ((copy_from_user(&driver, (char *)ifr->ifr_data + sizeof(wl_ioctl_t), | ||
1852 | sizeof(uint)) != 0)) { | ||
1853 | bcmerror = -BCME_BADADDR; | ||
1854 | goto done; | ||
1855 | } | ||
1856 | |||
1857 | if (!capable(CAP_NET_ADMIN)) { | ||
1858 | bcmerror = -BCME_EPERM; | ||
1859 | goto done; | ||
1860 | } | ||
1861 | |||
1862 | /* check for local dhd ioctl and handle it */ | ||
1863 | if (driver == DHD_IOCTL_MAGIC) { | ||
1864 | bcmerror = dhd_ioctl((void *)&dhd->pub, &ioc, buf, buflen); | ||
1865 | if (bcmerror) | ||
1866 | dhd->pub.bcmerror = bcmerror; | ||
1867 | goto done; | ||
1868 | } | ||
1869 | |||
1870 | /* send to dongle (must be up, and wl) */ | ||
1871 | if (dhd->pub.busstate != DHD_BUS_DATA) { | ||
1872 | DHD_ERROR(("%s DONGLE_DOWN\n", __FUNCTION__)); | ||
1873 | bcmerror = BCME_DONGLE_DOWN; | ||
1874 | goto done; | ||
1875 | } | ||
1876 | |||
1877 | if (!dhd->pub.iswl) { | ||
1878 | bcmerror = BCME_DONGLE_DOWN; | ||
1879 | goto done; | ||
1880 | } | ||
1881 | |||
1882 | /* Intercept WLC_SET_KEY IOCTL - serialize M4 send and set key IOCTL to | ||
1883 | * prevent M4 encryption. | ||
1884 | */ | ||
1885 | is_set_key_cmd = ((ioc.cmd == WLC_SET_KEY) || | ||
1886 | ((ioc.cmd == WLC_SET_VAR) && | ||
1887 | !(strncmp("wsec_key", ioc.buf, 9))) || | ||
1888 | ((ioc.cmd == WLC_SET_VAR) && | ||
1889 | !(strncmp("bsscfg:wsec_key", ioc.buf, 15)))); | ||
1890 | if (is_set_key_cmd) { | ||
1891 | dhd_wait_pend8021x(net); | ||
1892 | } | ||
1893 | |||
1894 | bcmerror = dhd_prot_ioctl(&dhd->pub, ifidx, (wl_ioctl_t *)&ioc, buf, buflen); | ||
1895 | |||
1896 | done: | ||
1897 | if ((bcmerror == -ETIMEDOUT) || ((dhd->pub.busstate == DHD_BUS_DOWN) && | ||
1898 | (!dhd->pub.dongle_reset))) { | ||
1899 | DHD_ERROR(("%s: Event HANG send up\n", __FUNCTION__)); | ||
1900 | net_os_send_hang_message(net); | ||
1901 | } | ||
1902 | |||
1903 | if (!bcmerror && buf && ioc.buf) { | ||
1904 | if (copy_to_user(ioc.buf, buf, buflen)) | ||
1905 | bcmerror = -EFAULT; | ||
1906 | } | ||
1907 | |||
1908 | if (buf) | ||
1909 | MFREE(dhd->pub.osh, buf, buflen); | ||
1910 | |||
1911 | dhd_os_wake_unlock(&dhd->pub); | ||
1912 | |||
1913 | return OSL_ERROR(bcmerror); | ||
1914 | } | ||
1915 | |||
1916 | static int | ||
1917 | dhd_stop(struct net_device *net) | ||
1918 | { | ||
1919 | #if !defined(IGNORE_ETH0_DOWN) | ||
1920 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net); | ||
1921 | |||
1922 | DHD_TRACE(("%s: Enter %s\n", __FUNCTION__, net->name)); | ||
1923 | if (dhd->pub.up == 0) { | ||
1924 | return 0; | ||
1925 | } | ||
1926 | |||
1927 | /* Set state and stop OS transmissions */ | ||
1928 | dhd->pub.up = 0; | ||
1929 | netif_stop_queue(net); | ||
1930 | #else | ||
1931 | DHD_ERROR(("BYPASS %s:due to BRCM compilation : under investigation ...\n", __FUNCTION__)); | ||
1932 | #endif /* !defined(IGNORE_ETH0_DOWN) */ | ||
1933 | dhd->pub.hang_was_sent = 0; | ||
1934 | OLD_MOD_DEC_USE_COUNT; | ||
1935 | return 0; | ||
1936 | } | ||
1937 | |||
1938 | static int | ||
1939 | dhd_open(struct net_device *net) | ||
1940 | { | ||
1941 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net); | ||
1942 | #ifdef TOE | ||
1943 | uint32 toe_ol; | ||
1944 | #endif | ||
1945 | int ifidx; | ||
1946 | |||
1947 | /* Force start if ifconfig_up gets called before START command */ | ||
1948 | wl_control_wl_start(net); | ||
1949 | |||
1950 | ifidx = dhd_net2idx(dhd, net); | ||
1951 | DHD_TRACE(("%s: ifidx %d\n", __FUNCTION__, ifidx)); | ||
1952 | |||
1953 | if (ifidx == DHD_BAD_IF) | ||
1954 | return -1; | ||
1955 | |||
1956 | if ((dhd->iflist[ifidx]) && (dhd->iflist[ifidx]->state == WLC_E_IF_DEL)) { | ||
1957 | DHD_ERROR(("%s: Error: called when IF already deleted\n", __FUNCTION__)); | ||
1958 | return -1; | ||
1959 | } | ||
1960 | |||
1961 | if (ifidx == 0) { /* do it only for primary eth0 */ | ||
1962 | |||
1963 | atomic_set(&dhd->pend_8021x_cnt, 0); | ||
1964 | |||
1965 | memcpy(net->dev_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN); | ||
1966 | |||
1967 | #ifdef TOE | ||
1968 | /* Get current TOE mode from dongle */ | ||
1969 | if (dhd_toe_get(dhd, ifidx, &toe_ol) >= 0 && (toe_ol & TOE_TX_CSUM_OL) != 0) | ||
1970 | dhd->iflist[ifidx]->net->features |= NETIF_F_IP_CSUM; | ||
1971 | else | ||
1972 | dhd->iflist[ifidx]->net->features &= ~NETIF_F_IP_CSUM; | ||
1973 | #endif | ||
1974 | } | ||
1975 | /* Allow transmit calls */ | ||
1976 | netif_start_queue(net); | ||
1977 | dhd->pub.up = 1; | ||
1978 | |||
1979 | OLD_MOD_INC_USE_COUNT; | ||
1980 | return 0; | ||
1981 | } | ||
1982 | |||
1983 | osl_t * | ||
1984 | dhd_osl_attach(void *pdev, uint bustype) | ||
1985 | { | ||
1986 | return osl_attach(pdev, bustype, TRUE); | ||
1987 | } | ||
1988 | |||
1989 | void | ||
1990 | dhd_osl_detach(osl_t *osh) | ||
1991 | { | ||
1992 | if (MALLOCED(osh)) { | ||
1993 | DHD_ERROR(("%s: MEMORY LEAK %d bytes\n", __FUNCTION__, MALLOCED(osh))); | ||
1994 | } | ||
1995 | osl_detach(osh); | ||
1996 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && 1 | ||
1997 | up(&dhd_registration_sem); | ||
1998 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ | ||
1999 | } | ||
2000 | |||
2001 | int | ||
2002 | dhd_add_if(dhd_info_t *dhd, int ifidx, void *handle, char *name, | ||
2003 | uint8 *mac_addr, uint32 flags, uint8 bssidx) | ||
2004 | { | ||
2005 | dhd_if_t *ifp; | ||
2006 | |||
2007 | DHD_TRACE(("%s: idx %d, handle->%p\n", __FUNCTION__, ifidx, handle)); | ||
2008 | |||
2009 | ASSERT(dhd && (ifidx < DHD_MAX_IFS)); | ||
2010 | |||
2011 | ifp = dhd->iflist[ifidx]; | ||
2012 | if (!ifp && !(ifp = MALLOC(dhd->pub.osh, sizeof(dhd_if_t)))) { | ||
2013 | DHD_ERROR(("%s: OOM - dhd_if_t\n", __FUNCTION__)); | ||
2014 | return -ENOMEM; | ||
2015 | } | ||
2016 | |||
2017 | memset(ifp, 0, sizeof(dhd_if_t)); | ||
2018 | ifp->info = dhd; | ||
2019 | dhd->iflist[ifidx] = ifp; | ||
2020 | strncpy(ifp->name, name, IFNAMSIZ); | ||
2021 | ifp->name[IFNAMSIZ] = '\0'; | ||
2022 | if (mac_addr != NULL) | ||
2023 | memcpy(&ifp->mac_addr, mac_addr, ETHER_ADDR_LEN); | ||
2024 | |||
2025 | if (handle == NULL) { | ||
2026 | ifp->state = WLC_E_IF_ADD; | ||
2027 | ifp->idx = ifidx; | ||
2028 | ASSERT(dhd->sysioc_pid >= 0); | ||
2029 | up(&dhd->sysioc_sem); | ||
2030 | } else | ||
2031 | ifp->net = (struct net_device *)handle; | ||
2032 | |||
2033 | return 0; | ||
2034 | } | ||
2035 | |||
2036 | void | ||
2037 | dhd_del_if(dhd_info_t *dhd, int ifidx) | ||
2038 | { | ||
2039 | dhd_if_t *ifp; | ||
2040 | |||
2041 | DHD_TRACE(("%s: idx %d\n", __FUNCTION__, ifidx)); | ||
2042 | |||
2043 | ASSERT(dhd && ifidx && (ifidx < DHD_MAX_IFS)); | ||
2044 | ifp = dhd->iflist[ifidx]; | ||
2045 | if (!ifp) { | ||
2046 | DHD_ERROR(("%s: Null interface\n", __FUNCTION__)); | ||
2047 | return; | ||
2048 | } | ||
2049 | |||
2050 | ifp->state = WLC_E_IF_DEL; | ||
2051 | ifp->idx = ifidx; | ||
2052 | ASSERT(dhd->sysioc_pid >= 0); | ||
2053 | up(&dhd->sysioc_sem); | ||
2054 | } | ||
2055 | |||
2056 | |||
2057 | dhd_pub_t * | ||
2058 | dhd_attach(osl_t *osh, struct dhd_bus *bus, uint bus_hdrlen, void *dev) | ||
2059 | { | ||
2060 | dhd_info_t *dhd = NULL; | ||
2061 | struct net_device *net; | ||
2062 | |||
2063 | DHD_TRACE(("%s: Enter\n", __FUNCTION__)); | ||
2064 | /* updates firmware nvram path if it was provided as module paramters */ | ||
2065 | if ((firmware_path != NULL) && (firmware_path[0] != '\0')) | ||
2066 | strcpy(fw_path, firmware_path); | ||
2067 | if ((nvram_path != NULL) && (nvram_path[0] != '\0')) | ||
2068 | strcpy(nv_path, nvram_path); | ||
2069 | |||
2070 | /* Allocate etherdev, including space for private structure */ | ||
2071 | if (!(net = alloc_etherdev(sizeof(dhd)))) { | ||
2072 | DHD_ERROR(("%s: OOM - alloc_etherdev\n", __FUNCTION__)); | ||
2073 | goto fail; | ||
2074 | } | ||
2075 | SET_NETDEV_DEV(net, (struct device *)dev); | ||
2076 | /* Allocate primary dhd_info */ | ||
2077 | if (!(dhd = MALLOC(osh, sizeof(dhd_info_t)))) { | ||
2078 | DHD_ERROR(("%s: OOM - alloc dhd_info\n", __FUNCTION__)); | ||
2079 | goto fail; | ||
2080 | } | ||
2081 | |||
2082 | memset(dhd, 0, sizeof(dhd_info_t)); | ||
2083 | |||
2084 | /* | ||
2085 | * Save the dhd_info into the priv | ||
2086 | */ | ||
2087 | memcpy(netdev_priv(net), &dhd, sizeof(dhd)); | ||
2088 | dhd->pub.osh = osh; | ||
2089 | |||
2090 | /* Set network interface name if it was provided as module parameter */ | ||
2091 | if (iface_name[0]) { | ||
2092 | int len; | ||
2093 | char ch; | ||
2094 | strncpy(net->name, iface_name, IFNAMSIZ); | ||
2095 | net->name[IFNAMSIZ - 1] = 0; | ||
2096 | len = strlen(net->name); | ||
2097 | ch = net->name[len - 1]; | ||
2098 | if ((ch > '9' || ch < '0') && (len < IFNAMSIZ - 2)) | ||
2099 | strcat(net->name, "%d"); | ||
2100 | } | ||
2101 | |||
2102 | if (dhd_add_if(dhd, 0, (void *)net, net->name, NULL, 0, 0) == DHD_BAD_IF) | ||
2103 | goto fail; | ||
2104 | |||
2105 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 31)) | ||
2106 | net->open = NULL; | ||
2107 | #else | ||
2108 | net->netdev_ops = NULL; | ||
2109 | #endif | ||
2110 | |||
2111 | mutex_init(&dhd->proto_sem); | ||
2112 | /* Initialize other structure content */ | ||
2113 | init_waitqueue_head(&dhd->ioctl_resp_wait); | ||
2114 | init_waitqueue_head(&dhd->ctrl_wait); | ||
2115 | |||
2116 | /* Initialize the spinlocks */ | ||
2117 | spin_lock_init(&dhd->sdlock); | ||
2118 | spin_lock_init(&dhd->txqlock); | ||
2119 | spin_lock_init(&dhd->dhd_lock); | ||
2120 | |||
2121 | /* Initialize Wakelock stuff */ | ||
2122 | spin_lock_init(&dhd->wl_lock); | ||
2123 | dhd->wl_count = 0; | ||
2124 | dhd->wl_packet = 0; | ||
2125 | #ifdef CONFIG_HAS_WAKELOCK | ||
2126 | wake_lock_init(&dhd->wl_wifi, WAKE_LOCK_SUSPEND, "wlan_wake"); | ||
2127 | wake_lock_init(&dhd->wl_rxwake, WAKE_LOCK_SUSPEND, "wlan_rx_wake"); | ||
2128 | #endif | ||
2129 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) | ||
2130 | mutex_init(&dhd->wl_start_lock); | ||
2131 | #endif | ||
2132 | /* Link to info module */ | ||
2133 | dhd->pub.info = dhd; | ||
2134 | |||
2135 | /* Link to bus module */ | ||
2136 | dhd->pub.bus = bus; | ||
2137 | dhd->pub.hdrlen = bus_hdrlen; | ||
2138 | |||
2139 | /* Attach and link in the protocol */ | ||
2140 | if (dhd_prot_attach(&dhd->pub) != 0) { | ||
2141 | DHD_ERROR(("dhd_prot_attach failed\n")); | ||
2142 | goto fail; | ||
2143 | } | ||
2144 | #if defined(CONFIG_WIRELESS_EXT) | ||
2145 | /* Attach and link in the iw */ | ||
2146 | if (wl_iw_attach(net, (void *)&dhd->pub) != 0) { | ||
2147 | DHD_ERROR(("wl_iw_attach failed\n")); | ||
2148 | goto fail; | ||
2149 | } | ||
2150 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | ||
2151 | |||
2152 | /* Set up the watchdog timer */ | ||
2153 | init_timer(&dhd->timer); | ||
2154 | dhd->timer.data = (ulong)dhd; | ||
2155 | dhd->timer.function = dhd_watchdog; | ||
2156 | |||
2157 | /* Initialize thread based operation and lock */ | ||
2158 | mutex_init(&dhd->sdsem); | ||
2159 | if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0)) { | ||
2160 | dhd->threads_only = TRUE; | ||
2161 | } | ||
2162 | else { | ||
2163 | dhd->threads_only = FALSE; | ||
2164 | } | ||
2165 | |||
2166 | if (dhd_dpc_prio >= 0) { | ||
2167 | /* Initialize watchdog thread */ | ||
2168 | sema_init(&dhd->watchdog_sem, 0); | ||
2169 | init_completion(&dhd->watchdog_exited); | ||
2170 | dhd->watchdog_pid = kernel_thread(dhd_watchdog_thread, dhd, 0); | ||
2171 | } else { | ||
2172 | dhd->watchdog_pid = -1; | ||
2173 | } | ||
2174 | |||
2175 | /* Set up the bottom half handler */ | ||
2176 | if (dhd_dpc_prio >= 0) { | ||
2177 | /* Initialize DPC thread */ | ||
2178 | sema_init(&dhd->dpc_sem, 0); | ||
2179 | init_completion(&dhd->dpc_exited); | ||
2180 | dhd->dpc_pid = kernel_thread(dhd_dpc_thread, dhd, 0); | ||
2181 | } else { | ||
2182 | tasklet_init(&dhd->tasklet, dhd_dpc, (ulong)dhd); | ||
2183 | dhd->dpc_pid = -1; | ||
2184 | } | ||
2185 | |||
2186 | if (dhd_sysioc) { | ||
2187 | sema_init(&dhd->sysioc_sem, 0); | ||
2188 | init_completion(&dhd->sysioc_exited); | ||
2189 | dhd->sysioc_pid = kernel_thread(_dhd_sysioc_thread, dhd, 0); | ||
2190 | } else { | ||
2191 | dhd->sysioc_pid = -1; | ||
2192 | } | ||
2193 | |||
2194 | /* | ||
2195 | * Save the dhd_info into the priv | ||
2196 | */ | ||
2197 | memcpy(netdev_priv(net), &dhd, sizeof(dhd)); | ||
2198 | |||
2199 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) | ||
2200 | register_pm_notifier(&dhd_sleep_pm_notifier); | ||
2201 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) */ | ||
2202 | |||
2203 | #ifdef CONFIG_HAS_WAKELOCK | ||
2204 | wake_lock_init(&dhd->pub.wow_wakelock, WAKE_LOCK_SUSPEND, "wow_wake_lock"); | ||
2205 | #endif | ||
2206 | |||
2207 | #ifdef CONFIG_HAS_EARLYSUSPEND | ||
2208 | dhd->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 20; | ||
2209 | dhd->early_suspend.suspend = dhd_early_suspend; | ||
2210 | dhd->early_suspend.resume = dhd_late_resume; | ||
2211 | register_early_suspend(&dhd->early_suspend); | ||
2212 | #endif | ||
2213 | |||
2214 | register_inetaddr_notifier(&dhd_notifier); | ||
2215 | |||
2216 | return &dhd->pub; | ||
2217 | |||
2218 | fail: | ||
2219 | if (net) | ||
2220 | free_netdev(net); | ||
2221 | if (dhd) | ||
2222 | dhd_detach(&dhd->pub); | ||
2223 | |||
2224 | return NULL; | ||
2225 | } | ||
2226 | |||
2227 | |||
2228 | int | ||
2229 | dhd_bus_start(dhd_pub_t *dhdp) | ||
2230 | { | ||
2231 | int ret = -1; | ||
2232 | dhd_info_t *dhd = (dhd_info_t*)dhdp->info; | ||
2233 | #ifdef EMBEDDED_PLATFORM | ||
2234 | char iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + '\0' + bitvec */ | ||
2235 | #endif /* EMBEDDED_PLATFORM */ | ||
2236 | |||
2237 | ASSERT(dhd); | ||
2238 | |||
2239 | DHD_TRACE(("%s: \n", __FUNCTION__)); | ||
2240 | |||
2241 | dhd_os_sdlock(dhdp); | ||
2242 | |||
2243 | /* try to download image and nvram to the dongle */ | ||
2244 | if (dhd->pub.busstate == DHD_BUS_DOWN) { | ||
2245 | if (!(dhd_bus_download_firmware(dhd->pub.bus, dhd->pub.osh, | ||
2246 | fw_path, nv_path))) { | ||
2247 | DHD_ERROR(("%s: dhdsdio_probe_download failed. firmware = %s nvram = %s\n", | ||
2248 | __FUNCTION__, fw_path, nv_path)); | ||
2249 | dhd_os_sdunlock(dhdp); | ||
2250 | return -1; | ||
2251 | } | ||
2252 | } | ||
2253 | |||
2254 | /* Start the watchdog timer */ | ||
2255 | dhd->pub.tickcnt = 0; | ||
2256 | dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms); | ||
2257 | |||
2258 | /* Bring up the bus */ | ||
2259 | if ((ret = dhd_bus_init(&dhd->pub, FALSE)) != 0) { | ||
2260 | DHD_ERROR(("%s, dhd_bus_init failed %d\n", __FUNCTION__, ret)); | ||
2261 | dhd_os_sdunlock(dhdp); | ||
2262 | return ret; | ||
2263 | } | ||
2264 | #if defined(OOB_INTR_ONLY) | ||
2265 | /* Host registration for OOB interrupt */ | ||
2266 | if (bcmsdh_register_oob_intr(dhdp)) { | ||
2267 | dhd->wd_timer_valid = FALSE; | ||
2268 | del_timer_sync(&dhd->timer); | ||
2269 | DHD_ERROR(("%s Host failed to resgister for OOB\n", __FUNCTION__)); | ||
2270 | dhd_os_sdunlock(dhdp); | ||
2271 | return -ENODEV; | ||
2272 | } | ||
2273 | |||
2274 | /* Enable oob at firmware */ | ||
2275 | dhd_enable_oob_intr(dhd->pub.bus, TRUE); | ||
2276 | #endif /* defined(OOB_INTR_ONLY) */ | ||
2277 | |||
2278 | /* If bus is not ready, can't come up */ | ||
2279 | if (dhd->pub.busstate != DHD_BUS_DATA) { | ||
2280 | dhd->wd_timer_valid = FALSE; | ||
2281 | del_timer_sync(&dhd->timer); | ||
2282 | DHD_ERROR(("%s failed bus is not ready\n", __FUNCTION__)); | ||
2283 | dhd_os_sdunlock(dhdp); | ||
2284 | return -ENODEV; | ||
2285 | } | ||
2286 | |||
2287 | dhd_os_sdunlock(dhdp); | ||
2288 | |||
2289 | #ifdef EMBEDDED_PLATFORM | ||
2290 | bcm_mkiovar("event_msgs", dhdp->eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf)); | ||
2291 | dhdcdc_query_ioctl(dhdp, 0, WLC_GET_VAR, iovbuf, sizeof(iovbuf)); | ||
2292 | bcopy(iovbuf, dhdp->eventmask, WL_EVENTING_MASK_LEN); | ||
2293 | |||
2294 | setbit(dhdp->eventmask, WLC_E_SET_SSID); | ||
2295 | setbit(dhdp->eventmask, WLC_E_PRUNE); | ||
2296 | setbit(dhdp->eventmask, WLC_E_AUTH); | ||
2297 | setbit(dhdp->eventmask, WLC_E_REASSOC); | ||
2298 | setbit(dhdp->eventmask, WLC_E_REASSOC_IND); | ||
2299 | setbit(dhdp->eventmask, WLC_E_DEAUTH_IND); | ||
2300 | setbit(dhdp->eventmask, WLC_E_DISASSOC_IND); | ||
2301 | setbit(dhdp->eventmask, WLC_E_DISASSOC); | ||
2302 | setbit(dhdp->eventmask, WLC_E_JOIN); | ||
2303 | setbit(dhdp->eventmask, WLC_E_ASSOC_IND); | ||
2304 | setbit(dhdp->eventmask, WLC_E_PSK_SUP); | ||
2305 | setbit(dhdp->eventmask, WLC_E_LINK); | ||
2306 | setbit(dhdp->eventmask, WLC_E_NDIS_LINK); | ||
2307 | setbit(dhdp->eventmask, WLC_E_MIC_ERROR); | ||
2308 | setbit(dhdp->eventmask, WLC_E_PMKID_CACHE); | ||
2309 | setbit(dhdp->eventmask, WLC_E_TXFAIL); | ||
2310 | setbit(dhdp->eventmask, WLC_E_JOIN_START); | ||
2311 | setbit(dhdp->eventmask, WLC_E_SCAN_COMPLETE); | ||
2312 | setbit(dhdp->eventmask, WLC_E_RELOAD); | ||
2313 | #ifdef PNO_SUPPORT | ||
2314 | setbit(dhdp->eventmask, WLC_E_PFN_NET_FOUND); | ||
2315 | #endif /* PNO_SUPPORT */ | ||
2316 | |||
2317 | /* enable dongle roaming event */ | ||
2318 | setbit(dhdp->eventmask, WLC_E_ROAM); | ||
2319 | |||
2320 | dhdp->pktfilter_count = 4; | ||
2321 | /* Setup filter to allow only unicast */ | ||
2322 | dhdp->pktfilter[0] = "100 0 0 0 0x01 0x00"; | ||
2323 | dhdp->pktfilter[1] = NULL; | ||
2324 | dhdp->pktfilter[2] = NULL; | ||
2325 | dhdp->pktfilter[3] = NULL; | ||
2326 | #endif /* EMBEDDED_PLATFORM */ | ||
2327 | |||
2328 | /* Bus is ready, do any protocol initialization */ | ||
2329 | if ((ret = dhd_prot_init(&dhd->pub)) < 0) | ||
2330 | return ret; | ||
2331 | |||
2332 | return 0; | ||
2333 | } | ||
2334 | |||
2335 | int | ||
2336 | dhd_iovar(dhd_pub_t *pub, int ifidx, char *name, char *cmd_buf, uint cmd_len, int set) | ||
2337 | { | ||
2338 | char buf[strlen(name) + 1 + cmd_len]; | ||
2339 | int len = sizeof(buf); | ||
2340 | wl_ioctl_t ioc; | ||
2341 | int ret; | ||
2342 | |||
2343 | len = bcm_mkiovar(name, cmd_buf, cmd_len, buf, len); | ||
2344 | |||
2345 | memset(&ioc, 0, sizeof(ioc)); | ||
2346 | |||
2347 | ioc.cmd = set? WLC_SET_VAR : WLC_GET_VAR; | ||
2348 | ioc.buf = buf; | ||
2349 | ioc.len = len; | ||
2350 | ioc.set = set; | ||
2351 | |||
2352 | ret = dhd_prot_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len); | ||
2353 | if (!set && ret >= 0) | ||
2354 | memcpy(cmd_buf, buf, cmd_len); | ||
2355 | |||
2356 | return ret; | ||
2357 | } | ||
2358 | |||
2359 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 31)) | ||
2360 | static struct net_device_ops dhd_ops_pri = { | ||
2361 | .ndo_open = dhd_open, | ||
2362 | .ndo_stop = dhd_stop, | ||
2363 | .ndo_get_stats = dhd_get_stats, | ||
2364 | .ndo_do_ioctl = dhd_ioctl_entry, | ||
2365 | .ndo_start_xmit = dhd_start_xmit, | ||
2366 | .ndo_set_mac_address = dhd_set_mac_address, | ||
2367 | .ndo_set_multicast_list = dhd_set_multicast_list, | ||
2368 | }; | ||
2369 | |||
2370 | static struct net_device_ops dhd_ops_virt = { | ||
2371 | .ndo_get_stats = dhd_get_stats, | ||
2372 | .ndo_do_ioctl = dhd_ioctl_entry, | ||
2373 | .ndo_start_xmit = dhd_start_xmit, | ||
2374 | .ndo_set_mac_address = dhd_set_mac_address, | ||
2375 | .ndo_set_multicast_list = dhd_set_multicast_list, | ||
2376 | }; | ||
2377 | #endif | ||
2378 | |||
2379 | static int dhd_device_event(struct notifier_block *this, unsigned long event, | ||
2380 | void *ptr) | ||
2381 | { | ||
2382 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | ||
2383 | dhd_info_t *dhd; | ||
2384 | dhd_pub_t *dhd_pub; | ||
2385 | |||
2386 | if (!ifa) | ||
2387 | return NOTIFY_DONE; | ||
2388 | |||
2389 | dhd = *(dhd_info_t **)netdev_priv(ifa->ifa_dev->dev); | ||
2390 | dhd_pub = &dhd->pub; | ||
2391 | |||
2392 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 31)) | ||
2393 | if (ifa->ifa_dev->dev->netdev_ops == &dhd_ops_pri) { | ||
2394 | #else | ||
2395 | if (ifa->ifa_dev->dev->open == &dhd_open) { | ||
2396 | #endif | ||
2397 | switch (event) { | ||
2398 | case NETDEV_UP: | ||
2399 | DHD_TRACE(("%s: [%s] Up IP: 0x%x\n", | ||
2400 | __FUNCTION__, ifa->ifa_label, ifa->ifa_address)); | ||
2401 | |||
2402 | dhd_arp_cleanup(dhd_pub); | ||
2403 | break; | ||
2404 | |||
2405 | case NETDEV_DOWN: | ||
2406 | DHD_TRACE(("%s: [%s] Down IP: 0x%x\n", | ||
2407 | __FUNCTION__, ifa->ifa_label, ifa->ifa_address)); | ||
2408 | |||
2409 | dhd_arp_cleanup(dhd_pub); | ||
2410 | break; | ||
2411 | |||
2412 | default: | ||
2413 | DHD_TRACE(("%s: [%s] Event: %lu\n", | ||
2414 | __FUNCTION__, ifa->ifa_label, event)); | ||
2415 | break; | ||
2416 | } | ||
2417 | } | ||
2418 | return NOTIFY_DONE; | ||
2419 | } | ||
2420 | |||
2421 | int | ||
2422 | dhd_net_attach(dhd_pub_t *dhdp, int ifidx) | ||
2423 | { | ||
2424 | dhd_info_t *dhd = (dhd_info_t *)dhdp->info; | ||
2425 | struct net_device *net; | ||
2426 | uint8 temp_addr[ETHER_ADDR_LEN] = { 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33 }; | ||
2427 | |||
2428 | DHD_TRACE(("%s: ifidx %d\n", __FUNCTION__, ifidx)); | ||
2429 | |||
2430 | ASSERT(dhd && dhd->iflist[ifidx]); | ||
2431 | net = dhd->iflist[ifidx]->net; | ||
2432 | |||
2433 | ASSERT(net); | ||
2434 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 31)) | ||
2435 | ASSERT(!net->open); | ||
2436 | net->get_stats = dhd_get_stats; | ||
2437 | net->do_ioctl = dhd_ioctl_entry; | ||
2438 | net->hard_start_xmit = dhd_start_xmit; | ||
2439 | net->set_mac_address = dhd_set_mac_address; | ||
2440 | net->set_multicast_list = dhd_set_multicast_list; | ||
2441 | net->open = net->stop = NULL; | ||
2442 | #else | ||
2443 | ASSERT(!net->netdev_ops); | ||
2444 | net->netdev_ops = &dhd_ops_virt; | ||
2445 | #endif | ||
2446 | |||
2447 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 31)) | ||
2448 | net->open = dhd_open; | ||
2449 | net->stop = dhd_stop; | ||
2450 | #else | ||
2451 | net->netdev_ops = &dhd_ops_pri; | ||
2452 | #endif | ||
2453 | |||
2454 | /* | ||
2455 | * We have to use the primary MAC for virtual interfaces | ||
2456 | */ | ||
2457 | if (ifidx != 0) { | ||
2458 | /* for virtual interfaces use the primary MAC */ | ||
2459 | memcpy(temp_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN); | ||
2460 | } | ||
2461 | |||
2462 | if (ifidx == 1) { | ||
2463 | DHD_TRACE(("%s ACCESS POINT MAC: \n", __FUNCTION__)); | ||
2464 | /* ACCESSPOINT INTERFACE CASE */ | ||
2465 | temp_addr[0] |= 0x02; /* set bit 2 , - Locally Administered address */ | ||
2466 | } | ||
2467 | net->hard_header_len = ETH_HLEN + dhd->pub.hdrlen; | ||
2468 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) | ||
2469 | net->ethtool_ops = &dhd_ethtool_ops; | ||
2470 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) */ | ||
2471 | |||
2472 | #if defined(CONFIG_WIRELESS_EXT) | ||
2473 | #if WIRELESS_EXT < 19 | ||
2474 | net->get_wireless_stats = dhd_get_wireless_stats; | ||
2475 | #endif /* WIRELESS_EXT < 19 */ | ||
2476 | #if WIRELESS_EXT > 12 | ||
2477 | net->wireless_handlers = (struct iw_handler_def *)&wl_iw_handler_def; | ||
2478 | #endif /* WIRELESS_EXT > 12 */ | ||
2479 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | ||
2480 | |||
2481 | dhd->pub.rxsz = net->mtu + net->hard_header_len + dhd->pub.hdrlen; | ||
2482 | |||
2483 | memcpy(net->dev_addr, temp_addr, ETHER_ADDR_LEN); | ||
2484 | |||
2485 | if (register_netdev(net) != 0) { | ||
2486 | DHD_ERROR(("%s: couldn't register the net device\n", __FUNCTION__)); | ||
2487 | goto fail; | ||
2488 | } | ||
2489 | |||
2490 | printf("%s: Broadcom Dongle Host Driver mac=%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", net->name, | ||
2491 | dhd->pub.mac.octet[0], dhd->pub.mac.octet[1], dhd->pub.mac.octet[2], | ||
2492 | dhd->pub.mac.octet[3], dhd->pub.mac.octet[4], dhd->pub.mac.octet[5]); | ||
2493 | |||
2494 | |||
2495 | #if defined(CONFIG_WIRELESS_EXT) | ||
2496 | #if defined(CONFIG_FIRST_SCAN) | ||
2497 | #ifdef SOFTAP | ||
2498 | if (ifidx == 0) | ||
2499 | /* Don't call for SOFTAP Interface in SOFTAP MODE */ | ||
2500 | wl_iw_iscan_set_scan_broadcast_prep(net, 1); | ||
2501 | #else | ||
2502 | wl_iw_iscan_set_scan_broadcast_prep(net, 1); | ||
2503 | #endif /* SOFTAP */ | ||
2504 | #endif /* CONFIG_FIRST_SCAN */ | ||
2505 | #endif /* CONFIG_WIRELESS_EXT */ | ||
2506 | |||
2507 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) | ||
2508 | up(&dhd_registration_sem); | ||
2509 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ | ||
2510 | return 0; | ||
2511 | |||
2512 | fail: | ||
2513 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 31)) | ||
2514 | net->open = NULL; | ||
2515 | #else | ||
2516 | net->netdev_ops = NULL; | ||
2517 | #endif | ||
2518 | return BCME_ERROR; | ||
2519 | } | ||
2520 | |||
2521 | void | ||
2522 | dhd_bus_detach(dhd_pub_t *dhdp) | ||
2523 | { | ||
2524 | dhd_info_t *dhd; | ||
2525 | |||
2526 | DHD_TRACE(("%s: Enter\n", __FUNCTION__)); | ||
2527 | |||
2528 | if (dhdp) { | ||
2529 | dhd = (dhd_info_t *)dhdp->info; | ||
2530 | if (dhd) { | ||
2531 | /* Stop the protocol module */ | ||
2532 | dhd_prot_stop(&dhd->pub); | ||
2533 | |||
2534 | /* Stop the bus module */ | ||
2535 | dhd_bus_stop(dhd->pub.bus, TRUE); | ||
2536 | #if defined(OOB_INTR_ONLY) | ||
2537 | bcmsdh_unregister_oob_intr(); | ||
2538 | #endif /* defined(OOB_INTR_ONLY) */ | ||
2539 | |||
2540 | /* Clear the watchdog timer */ | ||
2541 | dhd->wd_timer_valid = FALSE; | ||
2542 | del_timer_sync(&dhd->timer); | ||
2543 | } | ||
2544 | } | ||
2545 | } | ||
2546 | |||
2547 | void | ||
2548 | dhd_detach(dhd_pub_t *dhdp) | ||
2549 | { | ||
2550 | dhd_info_t *dhd; | ||
2551 | |||
2552 | DHD_TRACE(("%s: Enter\n", __FUNCTION__)); | ||
2553 | |||
2554 | if (dhdp) { | ||
2555 | dhd = (dhd_info_t *)dhdp->info; | ||
2556 | if (dhd) { | ||
2557 | dhd_if_t *ifp; | ||
2558 | int i; | ||
2559 | |||
2560 | unregister_inetaddr_notifier(&dhd_notifier); | ||
2561 | |||
2562 | #if defined(CONFIG_HAS_EARLYSUSPEND) | ||
2563 | if (dhd->early_suspend.suspend) | ||
2564 | unregister_early_suspend(&dhd->early_suspend); | ||
2565 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | ||
2566 | #if defined(CONFIG_WIRELESS_EXT) | ||
2567 | /* Attach and link in the iw */ | ||
2568 | wl_iw_detach(); | ||
2569 | #endif | ||
2570 | if (dhd->sysioc_pid >= 0) { | ||
2571 | KILL_PROC(dhd->sysioc_pid, SIGTERM); | ||
2572 | wait_for_completion(&dhd->sysioc_exited); | ||
2573 | } | ||
2574 | |||
2575 | for (i = 1; i < DHD_MAX_IFS; i++) | ||
2576 | if (dhd->iflist[i]) { | ||
2577 | dhd->iflist[i]->state = WLC_E_IF_DEL; | ||
2578 | dhd->iflist[i]->idx = i; | ||
2579 | dhd_op_if(dhd->iflist[i]); | ||
2580 | } | ||
2581 | |||
2582 | ifp = dhd->iflist[0]; | ||
2583 | ASSERT(ifp); | ||
2584 | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 31)) | ||
2585 | if (ifp->net->open) { | ||
2586 | #else | ||
2587 | if (ifp->net->netdev_ops == &dhd_ops_pri) { | ||
2588 | #endif | ||
2589 | dhd_stop(ifp->net); | ||
2590 | unregister_netdev(ifp->net); | ||
2591 | } | ||
2592 | |||
2593 | if (dhd->watchdog_pid >= 0) | ||
2594 | { | ||
2595 | KILL_PROC(dhd->watchdog_pid, SIGTERM); | ||
2596 | wait_for_completion(&dhd->watchdog_exited); | ||
2597 | } | ||
2598 | |||
2599 | if (dhd->dpc_pid >= 0) | ||
2600 | { | ||
2601 | KILL_PROC(dhd->dpc_pid, SIGTERM); | ||
2602 | wait_for_completion(&dhd->dpc_exited); | ||
2603 | } | ||
2604 | else | ||
2605 | tasklet_kill(&dhd->tasklet); | ||
2606 | |||
2607 | dhd_bus_detach(dhdp); | ||
2608 | |||
2609 | if (dhdp->prot) | ||
2610 | dhd_prot_detach(dhdp); | ||
2611 | |||
2612 | #ifdef CONFIG_HAS_WAKELOCK | ||
2613 | wake_lock_destroy(&dhdp->wow_wakelock); | ||
2614 | #endif | ||
2615 | |||
2616 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) | ||
2617 | unregister_pm_notifier(&dhd_sleep_pm_notifier); | ||
2618 | #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) */ | ||
2619 | free_netdev(ifp->net); | ||
2620 | #ifdef CONFIG_HAS_WAKELOCK | ||
2621 | wake_lock_destroy(&dhd->wl_wifi); | ||
2622 | wake_lock_destroy(&dhd->wl_rxwake); | ||
2623 | #endif | ||
2624 | MFREE(dhd->pub.osh, ifp, sizeof(*ifp)); | ||
2625 | MFREE(dhd->pub.osh, dhd, sizeof(*dhd)); | ||
2626 | } | ||
2627 | } | ||
2628 | } | ||
2629 | |||
2630 | static void __exit | ||
2631 | dhd_module_cleanup(void) | ||
2632 | { | ||
2633 | DHD_TRACE(("%s: Enter\n", __FUNCTION__)); | ||
2634 | |||
2635 | dhd_bus_unregister(); | ||
2636 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | ||
2637 | wifi_del_dev(); | ||
2638 | #endif | ||
2639 | /* Call customer gpio to turn off power with WL_REG_ON signal */ | ||
2640 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF); | ||
2641 | } | ||
2642 | |||
2643 | static int __init | ||
2644 | dhd_module_init(void) | ||
2645 | { | ||
2646 | int error; | ||
2647 | |||
2648 | DHD_TRACE(("%s: Enter\n", __FUNCTION__)); | ||
2649 | |||
2650 | /* Sanity check on the module parameters */ | ||
2651 | do { | ||
2652 | /* Both watchdog and DPC as tasklets are ok */ | ||
2653 | if ((dhd_watchdog_prio < 0) && (dhd_dpc_prio < 0)) | ||
2654 | break; | ||
2655 | |||
2656 | /* If both watchdog and DPC are threads, TX must be deferred */ | ||
2657 | if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0) && dhd_deferred_tx) | ||
2658 | break; | ||
2659 | |||
2660 | DHD_ERROR(("Invalid module parameters.\n")); | ||
2661 | return -EINVAL; | ||
2662 | } while (0); | ||
2663 | |||
2664 | /* Call customer gpio to turn on power with WL_REG_ON signal */ | ||
2665 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_ON); | ||
2666 | |||
2667 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | ||
2668 | sema_init(&wifi_control_sem, 0); | ||
2669 | |||
2670 | error = wifi_add_dev(); | ||
2671 | if (error) { | ||
2672 | DHD_ERROR(("%s: platform_driver_register failed\n", __FUNCTION__)); | ||
2673 | goto fail_0; | ||
2674 | } | ||
2675 | |||
2676 | /* Waiting callback after platform_driver_register is done or exit with error */ | ||
2677 | if (down_timeout(&wifi_control_sem, msecs_to_jiffies(5000)) != 0) { | ||
2678 | error = -EINVAL; | ||
2679 | DHD_ERROR(("%s: platform_driver_register timeout\n", __FUNCTION__)); | ||
2680 | goto fail_1; | ||
2681 | } | ||
2682 | #endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ | ||
2683 | |||
2684 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) | ||
2685 | sema_init(&dhd_registration_sem, 0); | ||
2686 | #endif | ||
2687 | |||
2688 | error = dhd_bus_register(); | ||
2689 | |||
2690 | if (!error) | ||
2691 | printf("\n%s\n", dhd_version); | ||
2692 | else { | ||
2693 | DHD_ERROR(("%s: sdio_register_driver failed\n", __FUNCTION__)); | ||
2694 | goto fail_1; | ||
2695 | } | ||
2696 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) | ||
2697 | /* | ||
2698 | * Wait till MMC sdio_register_driver callback called and made driver attach. | ||
2699 | * It's needed to make sync up exit from dhd insmod and | ||
2700 | * Kernel MMC sdio device callback registration | ||
2701 | */ | ||
2702 | if (down_timeout(&dhd_registration_sem, msecs_to_jiffies(DHD_REGISTRATION_TIMEOUT)) != 0) { | ||
2703 | error = -EINVAL; | ||
2704 | DHD_ERROR(("%s: sdio_register_driver timeout\n", __FUNCTION__)); | ||
2705 | goto fail_2; | ||
2706 | } | ||
2707 | #endif | ||
2708 | return error; | ||
2709 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) | ||
2710 | fail_2: | ||
2711 | dhd_bus_unregister(); | ||
2712 | #endif | ||
2713 | fail_1: | ||
2714 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | ||
2715 | wifi_del_dev(); | ||
2716 | fail_0: | ||
2717 | #endif /* defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ | ||
2718 | |||
2719 | /* Call customer gpio to turn off power with WL_REG_ON signal */ | ||
2720 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF); | ||
2721 | |||
2722 | return error; | ||
2723 | } | ||
2724 | |||
2725 | module_init(dhd_module_init); | ||
2726 | module_exit(dhd_module_cleanup); | ||
2727 | |||
2728 | /* | ||
2729 | * OS specific functions required to implement DHD driver in OS independent way | ||
2730 | */ | ||
2731 | int | ||
2732 | dhd_os_proto_block(dhd_pub_t *pub) | ||
2733 | { | ||
2734 | dhd_info_t *dhd = (dhd_info_t *)(pub->info); | ||
2735 | |||
2736 | if (dhd) { | ||
2737 | mutex_lock(&dhd->proto_sem); | ||
2738 | return 1; | ||
2739 | } | ||
2740 | |||
2741 | return 0; | ||
2742 | } | ||
2743 | |||
2744 | int | ||
2745 | dhd_os_proto_unblock(dhd_pub_t *pub) | ||
2746 | { | ||
2747 | dhd_info_t *dhd = (dhd_info_t *)(pub->info); | ||
2748 | |||
2749 | if (dhd) { | ||
2750 | mutex_unlock(&dhd->proto_sem); | ||
2751 | return 1; | ||
2752 | } | ||
2753 | |||
2754 | return 0; | ||
2755 | } | ||
2756 | |||
2757 | unsigned int | ||
2758 | dhd_os_get_ioctl_resp_timeout(void) | ||
2759 | { | ||
2760 | return ((unsigned int)dhd_ioctl_timeout_msec); | ||
2761 | } | ||
2762 | |||
2763 | void | ||
2764 | dhd_os_set_ioctl_resp_timeout(unsigned int timeout_msec) | ||
2765 | { | ||
2766 | dhd_ioctl_timeout_msec = (int)timeout_msec; | ||
2767 | } | ||
2768 | |||
2769 | int | ||
2770 | dhd_os_ioctl_resp_wait(dhd_pub_t *pub, uint *condition, bool *pending) | ||
2771 | { | ||
2772 | dhd_info_t *dhd = (dhd_info_t *)(pub->info); | ||
2773 | DECLARE_WAITQUEUE(wait, current); | ||
2774 | int timeout = dhd_ioctl_timeout_msec; | ||
2775 | |||
2776 | /* Convert timeout in millsecond to jiffies */ | ||
2777 | /* timeout = timeout * HZ / 1000; */ | ||
2778 | timeout = msecs_to_jiffies(timeout); | ||
2779 | |||
2780 | /* Wait until control frame is available */ | ||
2781 | add_wait_queue(&dhd->ioctl_resp_wait, &wait); | ||
2782 | set_current_state(TASK_INTERRUPTIBLE); | ||
2783 | smp_mb(); | ||
2784 | while (!(*condition) && (!signal_pending(current) && timeout)) { | ||
2785 | timeout = schedule_timeout(timeout); | ||
2786 | smp_mb(); | ||
2787 | } | ||
2788 | |||
2789 | if (signal_pending(current)) | ||
2790 | *pending = TRUE; | ||
2791 | |||
2792 | set_current_state(TASK_RUNNING); | ||
2793 | remove_wait_queue(&dhd->ioctl_resp_wait, &wait); | ||
2794 | |||
2795 | return timeout; | ||
2796 | } | ||
2797 | |||
2798 | int | ||
2799 | dhd_os_ioctl_resp_wake(dhd_pub_t *pub) | ||
2800 | { | ||
2801 | dhd_info_t *dhd = (dhd_info_t *)(pub->info); | ||
2802 | |||
2803 | if (waitqueue_active(&dhd->ioctl_resp_wait)) { | ||
2804 | wake_up_interruptible(&dhd->ioctl_resp_wait); | ||
2805 | } | ||
2806 | |||
2807 | return 0; | ||
2808 | } | ||
2809 | |||
2810 | void | ||
2811 | dhd_os_wd_timer(void *bus, uint wdtick) | ||
2812 | { | ||
2813 | dhd_pub_t *pub = bus; | ||
2814 | dhd_info_t *dhd = (dhd_info_t *)pub->info; | ||
2815 | unsigned long flags; | ||
2816 | int del_timer_flag = FALSE; | ||
2817 | |||
2818 | flags = dhd_os_spin_lock(pub); | ||
2819 | |||
2820 | /* don't start the wd until fw is loaded */ | ||
2821 | if (pub->busstate != DHD_BUS_DOWN) { | ||
2822 | if (wdtick) { | ||
2823 | dhd_watchdog_ms = (uint)wdtick; | ||
2824 | dhd->wd_timer_valid = TRUE; | ||
2825 | /* Re arm the timer, at last watchdog period */ | ||
2826 | mod_timer(&dhd->timer, jiffies + dhd_watchdog_ms * HZ / 1000); | ||
2827 | } else if (dhd->wd_timer_valid == TRUE) { | ||
2828 | /* Totally stop the timer */ | ||
2829 | dhd->wd_timer_valid = FALSE; | ||
2830 | del_timer_flag = TRUE; | ||
2831 | } | ||
2832 | } | ||
2833 | dhd_os_spin_unlock(pub, flags); | ||
2834 | if (del_timer_flag) { | ||
2835 | del_timer_sync(&dhd->timer); | ||
2836 | } | ||
2837 | } | ||
2838 | |||
2839 | void * | ||
2840 | dhd_os_open_image(char *filename) | ||
2841 | { | ||
2842 | struct file *fp; | ||
2843 | |||
2844 | fp = filp_open(filename, O_RDONLY, 0); | ||
2845 | /* | ||
2846 | * 2.6.11 (FC4) supports filp_open() but later revs don't? | ||
2847 | * Alternative: | ||
2848 | * fp = open_namei(AT_FDCWD, filename, O_RD, 0); | ||
2849 | * ??? | ||
2850 | */ | ||
2851 | if (IS_ERR(fp)) | ||
2852 | fp = NULL; | ||
2853 | |||
2854 | return fp; | ||
2855 | } | ||
2856 | |||
2857 | int | ||
2858 | dhd_os_get_image_block(char *buf, int len, void *image) | ||
2859 | { | ||
2860 | struct file *fp = (struct file *)image; | ||
2861 | int rdlen; | ||
2862 | |||
2863 | if (!image) | ||
2864 | return 0; | ||
2865 | |||
2866 | rdlen = kernel_read(fp, fp->f_pos, buf, len); | ||
2867 | if (rdlen > 0) | ||
2868 | fp->f_pos += rdlen; | ||
2869 | |||
2870 | return rdlen; | ||
2871 | } | ||
2872 | |||
2873 | void | ||
2874 | dhd_os_close_image(void *image) | ||
2875 | { | ||
2876 | if (image) | ||
2877 | filp_close((struct file *)image, NULL); | ||
2878 | } | ||
2879 | |||
2880 | |||
2881 | void | ||
2882 | dhd_os_sdlock(dhd_pub_t *pub) | ||
2883 | { | ||
2884 | dhd_info_t *dhd; | ||
2885 | |||
2886 | dhd = (dhd_info_t *)(pub->info); | ||
2887 | |||
2888 | if (dhd->threads_only) | ||
2889 | mutex_lock(&dhd->sdsem); | ||
2890 | else | ||
2891 | spin_lock_bh(&dhd->sdlock); | ||
2892 | } | ||
2893 | |||
2894 | void | ||
2895 | dhd_os_sdunlock(dhd_pub_t *pub) | ||
2896 | { | ||
2897 | dhd_info_t *dhd; | ||
2898 | |||
2899 | dhd = (dhd_info_t *)(pub->info); | ||
2900 | |||
2901 | if (dhd->threads_only) | ||
2902 | mutex_unlock(&dhd->sdsem); | ||
2903 | else | ||
2904 | spin_unlock_bh(&dhd->sdlock); | ||
2905 | } | ||
2906 | |||
2907 | void | ||
2908 | dhd_os_sdlock_txq(dhd_pub_t *pub) | ||
2909 | { | ||
2910 | dhd_info_t *dhd; | ||
2911 | |||
2912 | dhd = (dhd_info_t *)(pub->info); | ||
2913 | spin_lock_bh(&dhd->txqlock); | ||
2914 | } | ||
2915 | |||
2916 | void | ||
2917 | dhd_os_sdunlock_txq(dhd_pub_t *pub) | ||
2918 | { | ||
2919 | dhd_info_t *dhd; | ||
2920 | |||
2921 | dhd = (dhd_info_t *)(pub->info); | ||
2922 | spin_unlock_bh(&dhd->txqlock); | ||
2923 | } | ||
2924 | void | ||
2925 | dhd_os_sdlock_rxq(dhd_pub_t *pub) | ||
2926 | { | ||
2927 | } | ||
2928 | void | ||
2929 | dhd_os_sdunlock_rxq(dhd_pub_t *pub) | ||
2930 | { | ||
2931 | } | ||
2932 | |||
2933 | void | ||
2934 | dhd_os_sdtxlock(dhd_pub_t *pub) | ||
2935 | { | ||
2936 | dhd_os_sdlock(pub); | ||
2937 | } | ||
2938 | |||
2939 | void | ||
2940 | dhd_os_sdtxunlock(dhd_pub_t *pub) | ||
2941 | { | ||
2942 | dhd_os_sdunlock(pub); | ||
2943 | } | ||
2944 | |||
2945 | #ifdef DHD_USE_STATIC_BUF | ||
2946 | void * dhd_os_prealloc(int section, unsigned long size) | ||
2947 | { | ||
2948 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | ||
2949 | void *alloc_ptr = NULL; | ||
2950 | if (wifi_control_data && wifi_control_data->mem_prealloc) | ||
2951 | { | ||
2952 | alloc_ptr = wifi_control_data->mem_prealloc(section, size); | ||
2953 | if (alloc_ptr) | ||
2954 | { | ||
2955 | DHD_INFO(("success alloc section %d\n", section)); | ||
2956 | bzero(alloc_ptr, size); | ||
2957 | return alloc_ptr; | ||
2958 | } | ||
2959 | } | ||
2960 | |||
2961 | DHD_ERROR(("can't alloc section %d\n", section)); | ||
2962 | return 0; | ||
2963 | #else | ||
2964 | return MALLOC(0, size); | ||
2965 | #endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ | ||
2966 | } | ||
2967 | #endif /* DHD_USE_STATIC_BUF */ | ||
2968 | #if defined(CONFIG_WIRELESS_EXT) | ||
2969 | struct iw_statistics * | ||
2970 | dhd_get_wireless_stats(struct net_device *dev) | ||
2971 | { | ||
2972 | int res = 0; | ||
2973 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
2974 | |||
2975 | res = wl_iw_get_wireless_stats(dev, &dhd->iw.wstats); | ||
2976 | |||
2977 | if (res == 0) | ||
2978 | return &dhd->iw.wstats; | ||
2979 | else | ||
2980 | return NULL; | ||
2981 | } | ||
2982 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | ||
2983 | |||
2984 | static int | ||
2985 | dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, | ||
2986 | wl_event_msg_t *event, void **data) | ||
2987 | { | ||
2988 | int bcmerror = 0; | ||
2989 | |||
2990 | ASSERT(dhd != NULL); | ||
2991 | |||
2992 | bcmerror = wl_host_event(dhd, ifidx, pktdata, event, data); | ||
2993 | if (bcmerror != BCME_OK) | ||
2994 | return (bcmerror); | ||
2995 | |||
2996 | #if defined(CONFIG_WIRELESS_EXT) | ||
2997 | ASSERT(dhd->iflist[*ifidx] != NULL); | ||
2998 | |||
2999 | if (ntoh32(event->event_type) == WLC_E_IF) { | ||
3000 | DHD_INFO(("<0> interface:%d OP:%d don't pass to wext," | ||
3001 | "net_device might not be created yet\n", | ||
3002 | *ifidx, ntoh32(event->event_type))); | ||
3003 | return bcmerror; | ||
3004 | } | ||
3005 | |||
3006 | ASSERT(dhd->iflist[*ifidx]->net != NULL); | ||
3007 | |||
3008 | if (dhd->iflist[*ifidx]->net) | ||
3009 | wl_iw_event(dhd->iflist[*ifidx]->net, event, *data); | ||
3010 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | ||
3011 | |||
3012 | return (bcmerror); | ||
3013 | } | ||
3014 | |||
3015 | /* send up locally generated event */ | ||
3016 | void | ||
3017 | dhd_sendup_event(dhd_pub_t *dhdp, wl_event_msg_t *event, void *data) | ||
3018 | { | ||
3019 | switch (ntoh32(event->event_type)) { | ||
3020 | default: | ||
3021 | break; | ||
3022 | } | ||
3023 | } | ||
3024 | |||
3025 | void dhd_wait_for_event(dhd_pub_t *dhd, bool *lockvar) | ||
3026 | { | ||
3027 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) | ||
3028 | struct dhd_info *dhdinfo = dhd->info; | ||
3029 | dhd_os_sdunlock(dhd); | ||
3030 | wait_event_interruptible_timeout(dhdinfo->ctrl_wait, (*lockvar == FALSE), HZ * 2); | ||
3031 | dhd_os_sdlock(dhd); | ||
3032 | #endif | ||
3033 | return; | ||
3034 | } | ||
3035 | |||
3036 | void dhd_wait_event_wakeup(dhd_pub_t *dhd) | ||
3037 | { | ||
3038 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) | ||
3039 | struct dhd_info *dhdinfo = dhd->info; | ||
3040 | if (waitqueue_active(&dhdinfo->ctrl_wait)) | ||
3041 | wake_up_interruptible(&dhdinfo->ctrl_wait); | ||
3042 | #endif | ||
3043 | return; | ||
3044 | } | ||
3045 | |||
3046 | int | ||
3047 | dhd_dev_reset(struct net_device *dev, uint8 flag) | ||
3048 | { | ||
3049 | int ret; | ||
3050 | |||
3051 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3052 | |||
3053 | ret = dhd_bus_devreset(&dhd->pub, flag); | ||
3054 | if (ret) { | ||
3055 | DHD_ERROR(("%s: dhd_bus_devreset: %d\n", __FUNCTION__, ret)); | ||
3056 | return ret; | ||
3057 | } | ||
3058 | DHD_ERROR(("%s: WLAN %s DONE\n", __FUNCTION__, flag ? "OFF" : "ON")); | ||
3059 | |||
3060 | return ret; | ||
3061 | } | ||
3062 | |||
3063 | int net_os_set_suspend_disable(struct net_device *dev, int val) | ||
3064 | { | ||
3065 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3066 | int ret = 0; | ||
3067 | |||
3068 | if (dhd) { | ||
3069 | ret = dhd->pub.suspend_disable_flag; | ||
3070 | dhd->pub.suspend_disable_flag = val; | ||
3071 | } | ||
3072 | return ret; | ||
3073 | } | ||
3074 | |||
3075 | int net_os_set_suspend(struct net_device *dev, int val) | ||
3076 | { | ||
3077 | int ret = 0; | ||
3078 | #if defined(CONFIG_HAS_EARLYSUSPEND) | ||
3079 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3080 | |||
3081 | if (dhd) { | ||
3082 | dhd_os_proto_block(&dhd->pub); | ||
3083 | ret = dhd_set_suspend(val, &dhd->pub); | ||
3084 | dhd_os_proto_unblock(&dhd->pub); | ||
3085 | } | ||
3086 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | ||
3087 | return ret; | ||
3088 | } | ||
3089 | |||
3090 | int net_os_set_dtim_skip(struct net_device *dev, int val) | ||
3091 | { | ||
3092 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3093 | |||
3094 | if (dhd) | ||
3095 | dhd->pub.dtim_skip = val; | ||
3096 | |||
3097 | return 0; | ||
3098 | } | ||
3099 | |||
3100 | int net_os_rxfilter_add_remove(struct net_device *dev, int add_remove, int num) | ||
3101 | { | ||
3102 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3103 | char *filterp = NULL; | ||
3104 | int ret = 0; | ||
3105 | |||
3106 | if (!dhd || (num == DHD_UNICAST_FILTER_NUM)) | ||
3107 | return ret; | ||
3108 | if (num >= dhd->pub.pktfilter_count) | ||
3109 | return -EINVAL; | ||
3110 | if (add_remove) { | ||
3111 | switch (num) { | ||
3112 | case DHD_BROADCAST_FILTER_NUM: | ||
3113 | filterp = "101 0 0 0 0xFFFFFFFFFFFF 0xFFFFFFFFFFFF"; | ||
3114 | break; | ||
3115 | case DHD_MULTICAST4_FILTER_NUM: | ||
3116 | filterp = "102 0 0 0 0xFFFFFF 0x01005E"; | ||
3117 | break; | ||
3118 | case DHD_MULTICAST6_FILTER_NUM: | ||
3119 | filterp = "103 0 0 0 0xFFFF 0x3333"; | ||
3120 | break; | ||
3121 | default: | ||
3122 | return -EINVAL; | ||
3123 | } | ||
3124 | } | ||
3125 | dhd->pub.pktfilter[num] = filterp; | ||
3126 | return ret; | ||
3127 | } | ||
3128 | |||
3129 | int net_os_set_packet_filter(struct net_device *dev, int val) | ||
3130 | { | ||
3131 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3132 | int ret = 0; | ||
3133 | |||
3134 | /* Packet filtering is set only if we still in early-suspend and | ||
3135 | * we need either to turn it ON or turn it OFF | ||
3136 | * We can always turn it OFF in case of early-suspend, but we turn it | ||
3137 | * back ON only if suspend_disable_flag was not set | ||
3138 | */ | ||
3139 | if (dhd && dhd->pub.up) { | ||
3140 | dhd_os_proto_block(&dhd->pub); | ||
3141 | if (dhd->pub.in_suspend) { | ||
3142 | if (!val || (val && !dhd->pub.suspend_disable_flag)) | ||
3143 | dhd_set_packet_filter(val, &dhd->pub); | ||
3144 | } | ||
3145 | dhd_os_proto_unblock(&dhd->pub); | ||
3146 | } | ||
3147 | return ret; | ||
3148 | } | ||
3149 | |||
3150 | |||
3151 | void | ||
3152 | dhd_dev_init_ioctl(struct net_device *dev) | ||
3153 | { | ||
3154 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3155 | |||
3156 | dhd_preinit_ioctls(&dhd->pub); | ||
3157 | } | ||
3158 | |||
3159 | #ifdef PNO_SUPPORT | ||
3160 | /* Linux wrapper to call common dhd_pno_clean */ | ||
3161 | int | ||
3162 | dhd_dev_pno_reset(struct net_device *dev) | ||
3163 | { | ||
3164 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3165 | |||
3166 | return (dhd_pno_clean(&dhd->pub)); | ||
3167 | } | ||
3168 | |||
3169 | |||
3170 | /* Linux wrapper to call common dhd_pno_enable */ | ||
3171 | int | ||
3172 | dhd_dev_pno_enable(struct net_device *dev, int pfn_enabled) | ||
3173 | { | ||
3174 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3175 | |||
3176 | return (dhd_pno_enable(&dhd->pub, pfn_enabled)); | ||
3177 | } | ||
3178 | |||
3179 | |||
3180 | /* Linux wrapper to call common dhd_pno_set */ | ||
3181 | int | ||
3182 | dhd_dev_pno_set(struct net_device *dev, wlc_ssid_t* ssids_local, int nssid, | ||
3183 | ushort scan_fr, int pno_repeat, int pno_freq_expo_max) | ||
3184 | { | ||
3185 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3186 | |||
3187 | return (dhd_pno_set(&dhd->pub, ssids_local, nssid, scan_fr, pno_repeat, pno_freq_expo_max)); | ||
3188 | } | ||
3189 | |||
3190 | /* Linux wrapper to get pno status */ | ||
3191 | int | ||
3192 | dhd_dev_get_pno_status(struct net_device *dev) | ||
3193 | { | ||
3194 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3195 | |||
3196 | return (dhd_pno_get_status(&dhd->pub)); | ||
3197 | } | ||
3198 | |||
3199 | #endif /* PNO_SUPPORT */ | ||
3200 | |||
3201 | int net_os_send_hang_message(struct net_device *dev) | ||
3202 | { | ||
3203 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3204 | int ret = 0; | ||
3205 | |||
3206 | if (dhd) { | ||
3207 | if (!dhd->pub.hang_was_sent) { | ||
3208 | dhd->pub.hang_was_sent = 1; | ||
3209 | ret = wl_iw_send_priv_event(dev, "HANG"); | ||
3210 | } | ||
3211 | } | ||
3212 | return ret; | ||
3213 | } | ||
3214 | |||
3215 | void dhd_bus_country_set(struct net_device *dev, wl_country_t *cspec) | ||
3216 | { | ||
3217 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3218 | |||
3219 | if (dhd && dhd->pub.up) | ||
3220 | memcpy(&dhd->pub.dhd_cspec, cspec, sizeof(wl_country_t)); | ||
3221 | } | ||
3222 | |||
3223 | char *dhd_bus_country_get(struct net_device *dev) | ||
3224 | { | ||
3225 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3226 | |||
3227 | if (dhd && (dhd->pub.dhd_cspec.ccode[0] != 0)) | ||
3228 | return dhd->pub.dhd_cspec.ccode; | ||
3229 | return NULL; | ||
3230 | } | ||
3231 | |||
3232 | void dhd_os_start_lock(dhd_pub_t *pub) | ||
3233 | { | ||
3234 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) | ||
3235 | dhd_info_t *dhd = (dhd_info_t *)(pub->info); | ||
3236 | |||
3237 | if (dhd) | ||
3238 | mutex_lock(&dhd->wl_start_lock); | ||
3239 | #endif | ||
3240 | } | ||
3241 | |||
3242 | void dhd_os_start_unlock(dhd_pub_t *pub) | ||
3243 | { | ||
3244 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) | ||
3245 | dhd_info_t *dhd = (dhd_info_t *)(pub->info); | ||
3246 | |||
3247 | if (dhd) | ||
3248 | mutex_unlock(&dhd->wl_start_lock); | ||
3249 | #endif | ||
3250 | } | ||
3251 | |||
3252 | static int | ||
3253 | dhd_get_pend_8021x_cnt(dhd_info_t *dhd) | ||
3254 | { | ||
3255 | return (atomic_read(&dhd->pend_8021x_cnt)); | ||
3256 | } | ||
3257 | |||
3258 | #define MAX_WAIT_FOR_8021X_TX 10 | ||
3259 | |||
3260 | int | ||
3261 | dhd_wait_pend8021x(struct net_device *dev) | ||
3262 | { | ||
3263 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3264 | int timeout = 10 * HZ / 1000; | ||
3265 | int ntimes = MAX_WAIT_FOR_8021X_TX; | ||
3266 | int pend = dhd_get_pend_8021x_cnt(dhd); | ||
3267 | |||
3268 | while (ntimes && pend) { | ||
3269 | if (pend) { | ||
3270 | set_current_state(TASK_INTERRUPTIBLE); | ||
3271 | schedule_timeout(timeout); | ||
3272 | set_current_state(TASK_RUNNING); | ||
3273 | ntimes--; | ||
3274 | } | ||
3275 | pend = dhd_get_pend_8021x_cnt(dhd); | ||
3276 | } | ||
3277 | return pend; | ||
3278 | } | ||
3279 | |||
3280 | #ifdef DHD_DEBUG | ||
3281 | int | ||
3282 | write_to_file(dhd_pub_t *dhd, uint8 *buf, int size) | ||
3283 | { | ||
3284 | int ret = 0; | ||
3285 | struct file *fp; | ||
3286 | mm_segment_t old_fs; | ||
3287 | loff_t pos = 0; | ||
3288 | |||
3289 | /* change to KERNEL_DS address limit */ | ||
3290 | old_fs = get_fs(); | ||
3291 | set_fs(KERNEL_DS); | ||
3292 | |||
3293 | /* open file to write */ | ||
3294 | fp = filp_open("/tmp/mem_dump", O_WRONLY|O_CREAT, 0640); | ||
3295 | if (!fp) { | ||
3296 | printf("%s: open file error\n", __FUNCTION__); | ||
3297 | ret = -1; | ||
3298 | goto exit; | ||
3299 | } | ||
3300 | |||
3301 | /* Write buf to file */ | ||
3302 | fp->f_op->write(fp, buf, size, &pos); | ||
3303 | |||
3304 | exit: | ||
3305 | /* free buf before return */ | ||
3306 | MFREE(dhd->osh, buf, size); | ||
3307 | /* close file before return */ | ||
3308 | if (fp) | ||
3309 | filp_close(fp, current->files); | ||
3310 | /* restore previous address limit */ | ||
3311 | set_fs(old_fs); | ||
3312 | |||
3313 | return ret; | ||
3314 | } | ||
3315 | #endif /* DHD_DEBUG */ | ||
3316 | |||
3317 | int dhd_os_wake_lock_timeout(dhd_pub_t *pub) | ||
3318 | { | ||
3319 | dhd_info_t *dhd = (dhd_info_t *)(pub->info); | ||
3320 | unsigned long flags; | ||
3321 | int ret = 0; | ||
3322 | |||
3323 | if (dhd) { | ||
3324 | spin_lock_irqsave(&dhd->wl_lock, flags); | ||
3325 | ret = dhd->wl_packet; | ||
3326 | #ifdef CONFIG_HAS_WAKELOCK | ||
3327 | if (dhd->wl_packet) | ||
3328 | wake_lock_timeout(&dhd->wl_rxwake, HZ); | ||
3329 | #endif | ||
3330 | dhd->wl_packet = 0; | ||
3331 | spin_unlock_irqrestore(&dhd->wl_lock, flags); | ||
3332 | } | ||
3333 | /* printk("%s: %d\n", __FUNCTION__, ret); */ | ||
3334 | return ret; | ||
3335 | } | ||
3336 | |||
3337 | int net_os_wake_lock_timeout(struct net_device *dev) | ||
3338 | { | ||
3339 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3340 | int ret = 0; | ||
3341 | |||
3342 | if (dhd) | ||
3343 | ret = dhd_os_wake_lock_timeout(&dhd->pub); | ||
3344 | return ret; | ||
3345 | } | ||
3346 | |||
3347 | int dhd_os_wake_lock_timeout_enable(dhd_pub_t *pub) | ||
3348 | { | ||
3349 | dhd_info_t *dhd = (dhd_info_t *)(pub->info); | ||
3350 | unsigned long flags; | ||
3351 | |||
3352 | if (dhd) { | ||
3353 | spin_lock_irqsave(&dhd->wl_lock, flags); | ||
3354 | dhd->wl_packet = 1; | ||
3355 | spin_unlock_irqrestore(&dhd->wl_lock, flags); | ||
3356 | } | ||
3357 | /* printk("%s\n",__func__); */ | ||
3358 | return 0; | ||
3359 | } | ||
3360 | |||
3361 | int net_os_wake_lock_timeout_enable(struct net_device *dev) | ||
3362 | { | ||
3363 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3364 | int ret = 0; | ||
3365 | |||
3366 | if (dhd) | ||
3367 | ret = dhd_os_wake_lock_timeout_enable(&dhd->pub); | ||
3368 | return ret; | ||
3369 | } | ||
3370 | |||
3371 | int dhd_os_wake_lock(dhd_pub_t *pub) | ||
3372 | { | ||
3373 | dhd_info_t *dhd = (dhd_info_t *)(pub->info); | ||
3374 | unsigned long flags; | ||
3375 | int ret = 0; | ||
3376 | |||
3377 | if (dhd) { | ||
3378 | spin_lock_irqsave(&dhd->wl_lock, flags); | ||
3379 | #ifdef CONFIG_HAS_WAKELOCK | ||
3380 | if (!dhd->wl_count) | ||
3381 | wake_lock(&dhd->wl_wifi); | ||
3382 | #endif | ||
3383 | dhd->wl_count++; | ||
3384 | ret = dhd->wl_count; | ||
3385 | spin_unlock_irqrestore(&dhd->wl_lock, flags); | ||
3386 | } | ||
3387 | /* printk("%s: %d\n", __FUNCTION__, ret); */ | ||
3388 | return ret; | ||
3389 | } | ||
3390 | |||
3391 | int net_os_wake_lock(struct net_device *dev) | ||
3392 | { | ||
3393 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3394 | int ret = 0; | ||
3395 | |||
3396 | if (dhd) | ||
3397 | ret = dhd_os_wake_lock(&dhd->pub); | ||
3398 | return ret; | ||
3399 | } | ||
3400 | |||
3401 | int dhd_os_wake_unlock(dhd_pub_t *pub) | ||
3402 | { | ||
3403 | dhd_info_t *dhd = (dhd_info_t *)(pub->info); | ||
3404 | unsigned long flags; | ||
3405 | int ret = 0; | ||
3406 | |||
3407 | dhd_os_wake_lock_timeout(pub); | ||
3408 | if (dhd) { | ||
3409 | spin_lock_irqsave(&dhd->wl_lock, flags); | ||
3410 | if (dhd->wl_count) { | ||
3411 | dhd->wl_count--; | ||
3412 | #ifdef CONFIG_HAS_WAKELOCK | ||
3413 | if (!dhd->wl_count) | ||
3414 | wake_unlock(&dhd->wl_wifi); | ||
3415 | #endif | ||
3416 | ret = dhd->wl_count; | ||
3417 | } | ||
3418 | spin_unlock_irqrestore(&dhd->wl_lock, flags); | ||
3419 | } | ||
3420 | /* printk("%s: %d\n", __FUNCTION__, ret); */ | ||
3421 | return ret; | ||
3422 | } | ||
3423 | |||
3424 | int net_os_wake_unlock(struct net_device *dev) | ||
3425 | { | ||
3426 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | ||
3427 | int ret = 0; | ||
3428 | |||
3429 | if (dhd) | ||
3430 | ret = dhd_os_wake_unlock(&dhd->pub); | ||
3431 | return ret; | ||
3432 | } | ||
3433 | |||
3434 | unsigned long dhd_os_spin_lock(dhd_pub_t *pub) | ||
3435 | { | ||
3436 | dhd_info_t *dhd = (dhd_info_t *)(pub->info); | ||
3437 | unsigned long flags = 0; | ||
3438 | |||
3439 | if (dhd) | ||
3440 | spin_lock_irqsave(&dhd->dhd_lock, flags); | ||
3441 | |||
3442 | return flags; | ||
3443 | } | ||
3444 | |||
3445 | void dhd_os_spin_unlock(dhd_pub_t *pub, unsigned long flags) | ||
3446 | { | ||
3447 | dhd_info_t *dhd = (dhd_info_t *)(pub->info); | ||
3448 | |||
3449 | if (dhd) | ||
3450 | spin_unlock_irqrestore(&dhd->dhd_lock, flags); | ||
3451 | } | ||