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cf2b4488 HP |
1 | /* |
2 | * Copyright (c) 2010 Broadcom Corporation | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | #ifdef CONFIG_WIFI_CONTROL_FUNC | |
18 | #include <linux/platform_device.h> | |
19 | #endif | |
cf2b4488 HP |
20 | #include <linux/init.h> |
21 | #include <linux/kernel.h> | |
860708d9 | 22 | #include <linux/kthread.h> |
cf2b4488 HP |
23 | #include <linux/slab.h> |
24 | #include <linux/skbuff.h> | |
25 | #include <linux/netdevice.h> | |
26 | #include <linux/etherdevice.h> | |
93ad12cf | 27 | #include <linux/mmc/sdio_func.h> |
cf2b4488 HP |
28 | #include <linux/random.h> |
29 | #include <linux/spinlock.h> | |
30 | #include <linux/ethtool.h> | |
31 | #include <linux/fcntl.h> | |
32 | #include <linux/fs.h> | |
93ad12cf | 33 | #include <linux/uaccess.h> |
583c3827 | 34 | #include <net/cfg80211.h> |
a1c16ed2 | 35 | #include <bcmdefs.h> |
cf2b4488 | 36 | #include <bcmutils.h> |
7c6100ee | 37 | #include <bcmwifi.h> |
cf2b4488 | 38 | |
cf2b4488 HP |
39 | #include <dngl_stats.h> |
40 | #include <dhd.h> | |
41 | #include <dhd_bus.h> | |
42 | #include <dhd_proto.h> | |
43 | #include <dhd_dbg.h> | |
44 | ||
cf2b4488 | 45 | #include <wl_cfg80211.h> |
cf2b4488 | 46 | |
c09240ac AS |
47 | #define EPI_VERSION_STR "4.218.248.5" |
48 | #define ETH_P_BRCM 0x886c | |
cf2b4488 HP |
49 | |
50 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
51 | #include <linux/wifi_tiwlan.h> | |
52 | ||
53 | struct semaphore wifi_control_sem; | |
54 | ||
55 | struct dhd_bus *g_bus; | |
56 | ||
5f782dee JC |
57 | static struct wifi_platform_data *wifi_control_data; |
58 | static struct resource *wifi_irqres; | |
cf2b4488 HP |
59 | |
60 | int wifi_get_irq_number(unsigned long *irq_flags_ptr) | |
61 | { | |
62 | if (wifi_irqres) { | |
63 | *irq_flags_ptr = wifi_irqres->flags & IRQF_TRIGGER_MASK; | |
64 | return (int)wifi_irqres->start; | |
65 | } | |
66 | #ifdef CUSTOM_OOB_GPIO_NUM | |
67 | return CUSTOM_OOB_GPIO_NUM; | |
68 | #else | |
69 | return -1; | |
70 | #endif | |
71 | } | |
72 | ||
73 | int wifi_set_carddetect(int on) | |
74 | { | |
75 | printk(KERN_ERR "%s = %d\n", __func__, on); | |
76 | if (wifi_control_data && wifi_control_data->set_carddetect) | |
77 | wifi_control_data->set_carddetect(on); | |
78 | return 0; | |
79 | } | |
80 | ||
81 | int wifi_set_power(int on, unsigned long msec) | |
82 | { | |
83 | printk(KERN_ERR "%s = %d\n", __func__, on); | |
84 | if (wifi_control_data && wifi_control_data->set_power) | |
85 | wifi_control_data->set_power(on); | |
86 | if (msec) | |
87 | mdelay(msec); | |
88 | return 0; | |
89 | } | |
90 | ||
91 | int wifi_set_reset(int on, unsigned long msec) | |
92 | { | |
93 | printk(KERN_ERR "%s = %d\n", __func__, on); | |
94 | if (wifi_control_data && wifi_control_data->set_reset) | |
95 | wifi_control_data->set_reset(on); | |
96 | if (msec) | |
97 | mdelay(msec); | |
98 | return 0; | |
99 | } | |
100 | ||
101 | static int wifi_probe(struct platform_device *pdev) | |
102 | { | |
103 | struct wifi_platform_data *wifi_ctrl = | |
104 | (struct wifi_platform_data *)(pdev->dev.platform_data); | |
105 | ||
106 | printk(KERN_ERR "## %s\n", __func__); | |
107 | wifi_irqres = | |
108 | platform_get_resource_byname(pdev, IORESOURCE_IRQ, | |
109 | "bcm4329_wlan_irq"); | |
110 | wifi_control_data = wifi_ctrl; | |
111 | ||
112 | wifi_set_power(1, 0); /* Power On */ | |
113 | wifi_set_carddetect(1); /* CardDetect (0->1) */ | |
114 | ||
115 | up(&wifi_control_sem); | |
116 | return 0; | |
117 | } | |
118 | ||
119 | static int wifi_remove(struct platform_device *pdev) | |
120 | { | |
121 | struct wifi_platform_data *wifi_ctrl = | |
122 | (struct wifi_platform_data *)(pdev->dev.platform_data); | |
123 | ||
124 | printk(KERN_ERR "## %s\n", __func__); | |
125 | wifi_control_data = wifi_ctrl; | |
126 | ||
127 | wifi_set_carddetect(0); /* CardDetect (1->0) */ | |
128 | wifi_set_power(0, 0); /* Power Off */ | |
129 | ||
130 | up(&wifi_control_sem); | |
131 | return 0; | |
132 | } | |
133 | ||
134 | static int wifi_suspend(struct platform_device *pdev, pm_message_t state) | |
135 | { | |
136 | DHD_TRACE(("##> %s\n", __func__)); | |
137 | return 0; | |
138 | } | |
139 | ||
140 | static int wifi_resume(struct platform_device *pdev) | |
141 | { | |
142 | DHD_TRACE(("##> %s\n", __func__)); | |
143 | return 0; | |
144 | } | |
145 | ||
146 | static struct platform_driver wifi_device = { | |
147 | .probe = wifi_probe, | |
148 | .remove = wifi_remove, | |
149 | .suspend = wifi_suspend, | |
150 | .resume = wifi_resume, | |
151 | .driver = { | |
c836f77f | 152 | .name = KBUILD_MODNAME, |
cf2b4488 HP |
153 | } |
154 | }; | |
155 | ||
156 | int wifi_add_dev(void) | |
157 | { | |
158 | DHD_TRACE(("## Calling platform_driver_register\n")); | |
159 | return platform_driver_register(&wifi_device); | |
160 | } | |
161 | ||
162 | void wifi_del_dev(void) | |
163 | { | |
164 | DHD_TRACE(("## Unregister platform_driver_register\n")); | |
165 | platform_driver_unregister(&wifi_device); | |
166 | } | |
167 | #endif /* defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ | |
168 | ||
169 | #if defined(CONFIG_PM_SLEEP) | |
170 | #include <linux/suspend.h> | |
e6e8f894 | 171 | atomic_t dhd_mmc_suspend; |
cf2b4488 HP |
172 | DECLARE_WAIT_QUEUE_HEAD(dhd_dpc_wait); |
173 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
174 | ||
175 | #if defined(OOB_INTR_ONLY) | |
176 | extern void dhd_enable_oob_intr(struct dhd_bus *bus, bool enable); | |
177 | #endif /* defined(OOB_INTR_ONLY) */ | |
178 | ||
179 | MODULE_AUTHOR("Broadcom Corporation"); | |
180 | MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac driver."); | |
181 | MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac cards"); | |
182 | MODULE_LICENSE("Dual BSD/GPL"); | |
183 | ||
93ad12cf | 184 | #define DRV_MODULE_NAME "brcmfmac" |
185 | ||
cf2b4488 HP |
186 | /* Linux wireless extension support */ |
187 | #if defined(CONFIG_WIRELESS_EXT) | |
188 | #include <wl_iw.h> | |
189 | extern wl_iw_extra_params_t g_wl_iw_params; | |
190 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
191 | ||
192 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
193 | #include <linux/earlysuspend.h> | |
194 | extern int dhdcdc_set_ioctl(dhd_pub_t *dhd, int ifidx, uint cmd, void *buf, | |
195 | uint len); | |
196 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
197 | ||
198 | #ifdef PKT_FILTER_SUPPORT | |
199 | extern void dhd_pktfilter_offload_set(dhd_pub_t *dhd, char *arg); | |
200 | extern void dhd_pktfilter_offload_enable(dhd_pub_t *dhd, char *arg, int enable, | |
201 | int master_mode); | |
202 | #endif | |
203 | ||
204 | /* Interface control information */ | |
205 | typedef struct dhd_if { | |
206 | struct dhd_info *info; /* back pointer to dhd_info */ | |
207 | /* OS/stack specifics */ | |
208 | struct net_device *net; | |
209 | struct net_device_stats stats; | |
210 | int idx; /* iface idx in dongle */ | |
211 | int state; /* interface state */ | |
212 | uint subunit; /* subunit */ | |
b8d63078 | 213 | u8 mac_addr[ETH_ALEN]; /* assigned MAC address */ |
cf2b4488 HP |
214 | bool attached; /* Delayed attachment when unset */ |
215 | bool txflowcontrol; /* Per interface flow control indicator */ | |
cbf6baac | 216 | char name[IFNAMSIZ]; /* linux interface name */ |
cf2b4488 HP |
217 | } dhd_if_t; |
218 | ||
219 | /* Local private structure (extension of pub) */ | |
220 | typedef struct dhd_info { | |
221 | #if defined(CONFIG_WIRELESS_EXT) | |
222 | wl_iw_t iw; /* wireless extensions state (must be first) */ | |
223 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
224 | ||
225 | dhd_pub_t pub; | |
226 | ||
227 | /* OS/stack specifics */ | |
228 | dhd_if_t *iflist[DHD_MAX_IFS]; | |
229 | ||
230 | struct semaphore proto_sem; | |
231 | wait_queue_head_t ioctl_resp_wait; | |
232 | struct timer_list timer; | |
233 | bool wd_timer_valid; | |
234 | struct tasklet_struct tasklet; | |
235 | spinlock_t sdlock; | |
236 | spinlock_t txqlock; | |
237 | /* Thread based operation */ | |
238 | bool threads_only; | |
239 | struct semaphore sdsem; | |
860708d9 | 240 | struct task_struct *watchdog_tsk; |
cf2b4488 | 241 | struct semaphore watchdog_sem; |
ecd7559d | 242 | struct task_struct *dpc_tsk; |
cf2b4488 | 243 | struct semaphore dpc_sem; |
cf2b4488 HP |
244 | |
245 | /* Thread to issue ioctl for multicast */ | |
d809dcb9 | 246 | struct task_struct *sysioc_tsk; |
cf2b4488 | 247 | struct semaphore sysioc_sem; |
cf2b4488 HP |
248 | bool set_multicast; |
249 | bool set_macaddress; | |
a44d4236 | 250 | u8 macvalue[ETH_ALEN]; |
cf2b4488 HP |
251 | wait_queue_head_t ctrl_wait; |
252 | atomic_t pend_8021x_cnt; | |
253 | ||
254 | #ifdef CONFIG_HAS_EARLYSUSPEND | |
255 | struct early_suspend early_suspend; | |
256 | #endif /* CONFIG_HAS_EARLYSUSPEND */ | |
257 | } dhd_info_t; | |
258 | ||
259 | /* Definitions to provide path to the firmware and nvram | |
260 | * example nvram_path[MOD_PARAM_PATHLEN]="/projects/wlan/nvram.txt" | |
261 | */ | |
262 | char firmware_path[MOD_PARAM_PATHLEN]; | |
263 | char nvram_path[MOD_PARAM_PATHLEN]; | |
264 | ||
265 | /* load firmware and/or nvram values from the filesystem */ | |
266 | module_param_string(firmware_path, firmware_path, MOD_PARAM_PATHLEN, 0); | |
267 | module_param_string(nvram_path, nvram_path, MOD_PARAM_PATHLEN, 0); | |
268 | ||
269 | /* Error bits */ | |
270 | module_param(dhd_msg_level, int, 0); | |
271 | ||
272 | /* Spawn a thread for system ioctls (set mac, set mcast) */ | |
0f0881b0 | 273 | uint dhd_sysioc = true; |
cf2b4488 HP |
274 | module_param(dhd_sysioc, uint, 0); |
275 | ||
276 | /* Watchdog interval */ | |
277 | uint dhd_watchdog_ms = 10; | |
278 | module_param(dhd_watchdog_ms, uint, 0); | |
279 | ||
280 | #ifdef DHD_DEBUG | |
281 | /* Console poll interval */ | |
6998d337 | 282 | uint dhd_console_ms; |
cf2b4488 HP |
283 | module_param(dhd_console_ms, uint, 0); |
284 | #endif /* DHD_DEBUG */ | |
285 | ||
286 | /* ARP offload agent mode : Enable ARP Host Auto-Reply | |
287 | and ARP Peer Auto-Reply */ | |
288 | uint dhd_arp_mode = 0xb; | |
289 | module_param(dhd_arp_mode, uint, 0); | |
290 | ||
291 | /* ARP offload enable */ | |
0f0881b0 | 292 | uint dhd_arp_enable = true; |
cf2b4488 HP |
293 | module_param(dhd_arp_enable, uint, 0); |
294 | ||
295 | /* Global Pkt filter enable control */ | |
0f0881b0 | 296 | uint dhd_pkt_filter_enable = true; |
cf2b4488 HP |
297 | module_param(dhd_pkt_filter_enable, uint, 0); |
298 | ||
299 | /* Pkt filter init setup */ | |
6998d337 | 300 | uint dhd_pkt_filter_init; |
cf2b4488 HP |
301 | module_param(dhd_pkt_filter_init, uint, 0); |
302 | ||
303 | /* Pkt filter mode control */ | |
0f0881b0 | 304 | uint dhd_master_mode = true; |
cf2b4488 HP |
305 | module_param(dhd_master_mode, uint, 1); |
306 | ||
307 | /* Watchdog thread priority, -1 to use kernel timer */ | |
308 | int dhd_watchdog_prio = 97; | |
309 | module_param(dhd_watchdog_prio, int, 0); | |
310 | ||
311 | /* DPC thread priority, -1 to use tasklet */ | |
312 | int dhd_dpc_prio = 98; | |
313 | module_param(dhd_dpc_prio, int, 0); | |
314 | ||
315 | /* DPC thread priority, -1 to use tasklet */ | |
316 | extern int dhd_dongle_memsize; | |
317 | module_param(dhd_dongle_memsize, int, 0); | |
318 | ||
319 | /* Contorl fw roaming */ | |
320 | #ifdef CUSTOMER_HW2 | |
6998d337 | 321 | uint dhd_roam; |
cf2b4488 HP |
322 | #else |
323 | uint dhd_roam = 1; | |
324 | #endif | |
325 | ||
326 | /* Control radio state */ | |
327 | uint dhd_radio_up = 1; | |
328 | ||
329 | /* Network inteface name */ | |
8343f180 | 330 | char iface_name[IFNAMSIZ] = "wlan"; |
cf2b4488 HP |
331 | module_param_string(iface_name, iface_name, IFNAMSIZ, 0); |
332 | ||
cf2b4488 HP |
333 | /* The following are specific to the SDIO dongle */ |
334 | ||
335 | /* IOCTL response timeout */ | |
336 | int dhd_ioctl_timeout_msec = IOCTL_RESP_TIMEOUT; | |
337 | ||
338 | /* Idle timeout for backplane clock */ | |
339 | int dhd_idletime = DHD_IDLETIME_TICKS; | |
340 | module_param(dhd_idletime, int, 0); | |
341 | ||
342 | /* Use polling */ | |
0965ae88 | 343 | uint dhd_poll = false; |
cf2b4488 HP |
344 | module_param(dhd_poll, uint, 0); |
345 | ||
cf2b4488 | 346 | /* Use cfg80211 */ |
0f0881b0 | 347 | uint dhd_cfg80211 = true; |
cf2b4488 | 348 | module_param(dhd_cfg80211, uint, 0); |
cf2b4488 HP |
349 | |
350 | /* Use interrupts */ | |
0f0881b0 | 351 | uint dhd_intr = true; |
cf2b4488 HP |
352 | module_param(dhd_intr, uint, 0); |
353 | ||
354 | /* SDIO Drive Strength (in milliamps) */ | |
355 | uint dhd_sdiod_drive_strength = 6; | |
356 | module_param(dhd_sdiod_drive_strength, uint, 0); | |
357 | ||
358 | /* Tx/Rx bounds */ | |
359 | extern uint dhd_txbound; | |
360 | extern uint dhd_rxbound; | |
361 | module_param(dhd_txbound, uint, 0); | |
362 | module_param(dhd_rxbound, uint, 0); | |
363 | ||
364 | /* Deferred transmits */ | |
365 | extern uint dhd_deferred_tx; | |
366 | module_param(dhd_deferred_tx, uint, 0); | |
367 | ||
368 | #ifdef SDTEST | |
369 | /* Echo packet generator (pkts/s) */ | |
6998d337 | 370 | uint dhd_pktgen; |
cf2b4488 HP |
371 | module_param(dhd_pktgen, uint, 0); |
372 | ||
373 | /* Echo packet len (0 => sawtooth, max 2040) */ | |
6998d337 | 374 | uint dhd_pktgen_len; |
cf2b4488 HP |
375 | module_param(dhd_pktgen_len, uint, 0); |
376 | #endif | |
377 | ||
cf2b4488 HP |
378 | #define FAVORITE_WIFI_CP (!!dhd_cfg80211) |
379 | #define IS_CFG80211_FAVORITE() FAVORITE_WIFI_CP | |
380 | #define DBG_CFG80211_GET() ((dhd_cfg80211 & WL_DBG_MASK) >> 1) | |
381 | #define NO_FW_REQ() (dhd_cfg80211 & 0x80) | |
cf2b4488 HP |
382 | |
383 | /* Version string to report */ | |
384 | #ifdef DHD_DEBUG | |
385 | #define DHD_COMPILED "\nCompiled in " SRCBASE | |
386 | #else | |
387 | #define DHD_COMPILED | |
388 | #endif | |
389 | ||
3deea904 | 390 | static void dhd_dpc(unsigned long data); |
cf2b4488 HP |
391 | /* forward decl */ |
392 | extern int dhd_wait_pend8021x(struct net_device *dev); | |
393 | ||
394 | #ifdef TOE | |
395 | #ifndef BDC | |
396 | #error TOE requires BDC | |
397 | #endif /* !BDC */ | |
66cbd3ab GKH |
398 | static int dhd_toe_get(dhd_info_t *dhd, int idx, u32 *toe_ol); |
399 | static int dhd_toe_set(dhd_info_t *dhd, int idx, u32 toe_ol); | |
cf2b4488 HP |
400 | #endif /* TOE */ |
401 | ||
402 | static int dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, | |
403 | wl_event_msg_t *event_ptr, void **data_ptr); | |
404 | ||
405 | #if defined(CONFIG_PM_SLEEP) | |
406 | static int dhd_sleep_pm_callback(struct notifier_block *nfb, | |
407 | unsigned long action, void *ignored) | |
408 | { | |
409 | switch (action) { | |
410 | case PM_HIBERNATION_PREPARE: | |
411 | case PM_SUSPEND_PREPARE: | |
e6e8f894 | 412 | atomic_set(&dhd_mmc_suspend, true); |
cf2b4488 HP |
413 | return NOTIFY_OK; |
414 | case PM_POST_HIBERNATION: | |
415 | case PM_POST_SUSPEND: | |
e6e8f894 | 416 | atomic_set(&dhd_mmc_suspend, false); |
cf2b4488 HP |
417 | return NOTIFY_OK; |
418 | } | |
419 | return 0; | |
420 | } | |
421 | ||
422 | static struct notifier_block dhd_sleep_pm_notifier = { | |
423 | .notifier_call = dhd_sleep_pm_callback, | |
424 | .priority = 0 | |
425 | }; | |
426 | ||
427 | extern int register_pm_notifier(struct notifier_block *nb); | |
428 | extern int unregister_pm_notifier(struct notifier_block *nb); | |
429 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
430 | /* && defined(DHD_GPL) */ | |
431 | static void dhd_set_packet_filter(int value, dhd_pub_t *dhd) | |
432 | { | |
433 | #ifdef PKT_FILTER_SUPPORT | |
434 | DHD_TRACE(("%s: %d\n", __func__, value)); | |
435 | /* 1 - Enable packet filter, only allow unicast packet to send up */ | |
436 | /* 0 - Disable packet filter */ | |
437 | if (dhd_pkt_filter_enable) { | |
438 | int i; | |
439 | ||
440 | for (i = 0; i < dhd->pktfilter_count; i++) { | |
441 | dhd_pktfilter_offload_set(dhd, dhd->pktfilter[i]); | |
442 | dhd_pktfilter_offload_enable(dhd, dhd->pktfilter[i], | |
443 | value, dhd_master_mode); | |
444 | } | |
445 | } | |
446 | #endif | |
447 | } | |
448 | ||
449 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
450 | static int dhd_set_suspend(int value, dhd_pub_t *dhd) | |
451 | { | |
452 | int power_mode = PM_MAX; | |
453 | /* wl_pkt_filter_enable_t enable_parm; */ | |
454 | char iovbuf[32]; | |
455 | int bcn_li_dtim = 3; | |
456 | #ifdef CUSTOMER_HW2 | |
457 | uint roamvar = 1; | |
458 | #endif /* CUSTOMER_HW2 */ | |
459 | ||
460 | DHD_TRACE(("%s: enter, value = %d in_suspend=%d\n", | |
461 | __func__, value, dhd->in_suspend)); | |
462 | ||
463 | if (dhd && dhd->up) { | |
464 | if (value && dhd->in_suspend) { | |
465 | ||
466 | /* Kernel suspended */ | |
467 | DHD_TRACE(("%s: force extra Suspend setting\n", | |
468 | __func__)); | |
469 | ||
470 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, | |
471 | (char *)&power_mode, | |
472 | sizeof(power_mode)); | |
473 | ||
474 | /* Enable packet filter, only allow unicast | |
475 | packet to send up */ | |
476 | dhd_set_packet_filter(1, dhd); | |
477 | ||
478 | /* if dtim skip setup as default force it | |
25985edc | 479 | * to wake each third dtim |
cf2b4488 HP |
480 | * for better power saving. |
481 | * Note that side effect is chance to miss BC/MC | |
482 | * packet | |
483 | */ | |
484 | if ((dhd->dtim_skip == 0) || (dhd->dtim_skip == 1)) | |
485 | bcn_li_dtim = 3; | |
486 | else | |
487 | bcn_li_dtim = dhd->dtim_skip; | |
488 | bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim, | |
489 | 4, iovbuf, sizeof(iovbuf)); | |
490 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
491 | sizeof(iovbuf)); | |
492 | #ifdef CUSTOMER_HW2 | |
493 | /* Disable build-in roaming to allowed \ | |
494 | * supplicant to take of romaing | |
495 | */ | |
496 | bcm_mkiovar("roam_off", (char *)&roamvar, 4, | |
497 | iovbuf, sizeof(iovbuf)); | |
498 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
499 | sizeof(iovbuf)); | |
500 | #endif /* CUSTOMER_HW2 */ | |
501 | } else { | |
502 | ||
503 | /* Kernel resumed */ | |
504 | DHD_TRACE(("%s: Remove extra suspend setting\n", | |
505 | __func__)); | |
506 | ||
507 | power_mode = PM_FAST; | |
508 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, | |
509 | (char *)&power_mode, | |
510 | sizeof(power_mode)); | |
511 | ||
512 | /* disable pkt filter */ | |
513 | dhd_set_packet_filter(0, dhd); | |
514 | ||
515 | /* restore pre-suspend setting for dtim_skip */ | |
516 | bcm_mkiovar("bcn_li_dtim", (char *)&dhd->dtim_skip, | |
517 | 4, iovbuf, sizeof(iovbuf)); | |
518 | ||
519 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
520 | sizeof(iovbuf)); | |
521 | #ifdef CUSTOMER_HW2 | |
522 | roamvar = 0; | |
523 | bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, | |
524 | sizeof(iovbuf)); | |
525 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
526 | sizeof(iovbuf)); | |
527 | #endif /* CUSTOMER_HW2 */ | |
528 | } | |
529 | } | |
530 | ||
531 | return 0; | |
532 | } | |
533 | ||
534 | static void dhd_suspend_resume_helper(struct dhd_info *dhd, int val) | |
535 | { | |
536 | dhd_pub_t *dhdp = &dhd->pub; | |
537 | ||
538 | dhd_os_proto_block(dhdp); | |
539 | /* Set flag when early suspend was called */ | |
540 | dhdp->in_suspend = val; | |
541 | if (!dhdp->suspend_disable_flag) | |
542 | dhd_set_suspend(val, dhdp); | |
543 | dhd_os_proto_unblock(dhdp); | |
544 | } | |
545 | ||
546 | static void dhd_early_suspend(struct early_suspend *h) | |
547 | { | |
548 | struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); | |
549 | ||
550 | DHD_TRACE(("%s: enter\n", __func__)); | |
551 | ||
552 | if (dhd) | |
553 | dhd_suspend_resume_helper(dhd, 1); | |
554 | ||
555 | } | |
556 | ||
557 | static void dhd_late_resume(struct early_suspend *h) | |
558 | { | |
559 | struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); | |
560 | ||
561 | DHD_TRACE(("%s: enter\n", __func__)); | |
562 | ||
563 | if (dhd) | |
564 | dhd_suspend_resume_helper(dhd, 0); | |
565 | } | |
566 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
567 | ||
568 | /* | |
569 | * Generalized timeout mechanism. Uses spin sleep with exponential | |
570 | * back-off until | |
571 | * the sleep time reaches one jiffy, then switches over to task delay. Usage: | |
572 | * | |
573 | * dhd_timeout_start(&tmo, usec); | |
574 | * while (!dhd_timeout_expired(&tmo)) | |
575 | * if (poll_something()) | |
576 | * break; | |
577 | * if (dhd_timeout_expired(&tmo)) | |
578 | * fatal(); | |
579 | */ | |
580 | ||
581 | void dhd_timeout_start(dhd_timeout_t *tmo, uint usec) | |
582 | { | |
583 | tmo->limit = usec; | |
584 | tmo->increment = 0; | |
585 | tmo->elapsed = 0; | |
586 | tmo->tick = 1000000 / HZ; | |
587 | } | |
588 | ||
589 | int dhd_timeout_expired(dhd_timeout_t *tmo) | |
590 | { | |
591 | /* Does nothing the first call */ | |
592 | if (tmo->increment == 0) { | |
593 | tmo->increment = 1; | |
594 | return 0; | |
595 | } | |
596 | ||
597 | if (tmo->elapsed >= tmo->limit) | |
598 | return 1; | |
599 | ||
600 | /* Add the delay that's about to take place */ | |
601 | tmo->elapsed += tmo->increment; | |
602 | ||
603 | if (tmo->increment < tmo->tick) { | |
7383141b | 604 | udelay(tmo->increment); |
cf2b4488 HP |
605 | tmo->increment *= 2; |
606 | if (tmo->increment > tmo->tick) | |
607 | tmo->increment = tmo->tick; | |
608 | } else { | |
609 | wait_queue_head_t delay_wait; | |
610 | DECLARE_WAITQUEUE(wait, current); | |
611 | int pending; | |
612 | init_waitqueue_head(&delay_wait); | |
613 | add_wait_queue(&delay_wait, &wait); | |
614 | set_current_state(TASK_INTERRUPTIBLE); | |
615 | schedule_timeout(1); | |
616 | pending = signal_pending(current); | |
617 | remove_wait_queue(&delay_wait, &wait); | |
618 | set_current_state(TASK_RUNNING); | |
619 | if (pending) | |
620 | return 1; /* Interrupted */ | |
621 | } | |
622 | ||
623 | return 0; | |
624 | } | |
625 | ||
626 | static int dhd_net2idx(dhd_info_t *dhd, struct net_device *net) | |
627 | { | |
628 | int i = 0; | |
629 | ||
630 | ASSERT(dhd); | |
631 | while (i < DHD_MAX_IFS) { | |
632 | if (dhd->iflist[i] && (dhd->iflist[i]->net == net)) | |
633 | return i; | |
634 | i++; | |
635 | } | |
636 | ||
637 | return DHD_BAD_IF; | |
638 | } | |
639 | ||
640 | int dhd_ifname2idx(dhd_info_t *dhd, char *name) | |
641 | { | |
642 | int i = DHD_MAX_IFS; | |
643 | ||
644 | ASSERT(dhd); | |
645 | ||
646 | if (name == NULL || *name == '\0') | |
647 | return 0; | |
648 | ||
649 | while (--i > 0) | |
650 | if (dhd->iflist[i] | |
651 | && !strncmp(dhd->iflist[i]->name, name, IFNAMSIZ)) | |
652 | break; | |
653 | ||
654 | DHD_TRACE(("%s: return idx %d for \"%s\"\n", __func__, i, name)); | |
655 | ||
656 | return i; /* default - the primary interface */ | |
657 | } | |
658 | ||
659 | char *dhd_ifname(dhd_pub_t *dhdp, int ifidx) | |
660 | { | |
661 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
662 | ||
663 | ASSERT(dhd); | |
664 | ||
665 | if (ifidx < 0 || ifidx >= DHD_MAX_IFS) { | |
666 | DHD_ERROR(("%s: ifidx %d out of range\n", __func__, ifidx)); | |
667 | return "<if_bad>"; | |
668 | } | |
669 | ||
670 | if (dhd->iflist[ifidx] == NULL) { | |
671 | DHD_ERROR(("%s: null i/f %d\n", __func__, ifidx)); | |
672 | return "<if_null>"; | |
673 | } | |
674 | ||
675 | if (dhd->iflist[ifidx]->net) | |
676 | return dhd->iflist[ifidx]->net->name; | |
677 | ||
678 | return "<if_none>"; | |
679 | } | |
680 | ||
681 | static void _dhd_set_multicast_list(dhd_info_t *dhd, int ifidx) | |
682 | { | |
683 | struct net_device *dev; | |
684 | struct netdev_hw_addr *ha; | |
66cbd3ab | 685 | u32 allmulti, cnt; |
cf2b4488 HP |
686 | |
687 | wl_ioctl_t ioc; | |
688 | char *buf, *bufp; | |
689 | uint buflen; | |
690 | int ret; | |
691 | ||
692 | ASSERT(dhd && dhd->iflist[ifidx]); | |
693 | dev = dhd->iflist[ifidx]->net; | |
694 | cnt = netdev_mc_count(dev); | |
695 | ||
696 | /* Determine initial value of allmulti flag */ | |
0965ae88 | 697 | allmulti = (dev->flags & IFF_ALLMULTI) ? true : false; |
cf2b4488 HP |
698 | |
699 | /* Send down the multicast list first. */ | |
700 | ||
b8d63078 | 701 | buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETH_ALEN); |
5fcc1fcb | 702 | bufp = buf = kmalloc(buflen, GFP_ATOMIC); |
a618cc28 | 703 | if (!bufp) { |
cf2b4488 HP |
704 | DHD_ERROR(("%s: out of memory for mcast_list, cnt %d\n", |
705 | dhd_ifname(&dhd->pub, ifidx), cnt)); | |
706 | return; | |
707 | } | |
708 | ||
709 | strcpy(bufp, "mcast_list"); | |
710 | bufp += strlen("mcast_list") + 1; | |
711 | ||
628f10ba | 712 | cnt = cpu_to_le32(cnt); |
cf2b4488 HP |
713 | memcpy(bufp, &cnt, sizeof(cnt)); |
714 | bufp += sizeof(cnt); | |
715 | ||
716 | netdev_for_each_mc_addr(ha, dev) { | |
717 | if (!cnt) | |
718 | break; | |
b8d63078 JP |
719 | memcpy(bufp, ha->addr, ETH_ALEN); |
720 | bufp += ETH_ALEN; | |
cf2b4488 HP |
721 | cnt--; |
722 | } | |
723 | ||
724 | memset(&ioc, 0, sizeof(ioc)); | |
725 | ioc.cmd = WLC_SET_VAR; | |
726 | ioc.buf = buf; | |
727 | ioc.len = buflen; | |
0f0881b0 | 728 | ioc.set = true; |
cf2b4488 HP |
729 | |
730 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
731 | if (ret < 0) { | |
732 | DHD_ERROR(("%s: set mcast_list failed, cnt %d\n", | |
733 | dhd_ifname(&dhd->pub, ifidx), cnt)); | |
0f0881b0 | 734 | allmulti = cnt ? true : allmulti; |
cf2b4488 HP |
735 | } |
736 | ||
182acb3c | 737 | kfree(buf); |
cf2b4488 HP |
738 | |
739 | /* Now send the allmulti setting. This is based on the setting in the | |
740 | * net_device flags, but might be modified above to be turned on if we | |
741 | * were trying to set some addresses and dongle rejected it... | |
742 | */ | |
743 | ||
744 | buflen = sizeof("allmulti") + sizeof(allmulti); | |
5fcc1fcb | 745 | buf = kmalloc(buflen, GFP_ATOMIC); |
a618cc28 | 746 | if (!buf) { |
cf2b4488 HP |
747 | DHD_ERROR(("%s: out of memory for allmulti\n", |
748 | dhd_ifname(&dhd->pub, ifidx))); | |
749 | return; | |
750 | } | |
628f10ba | 751 | allmulti = cpu_to_le32(allmulti); |
cf2b4488 HP |
752 | |
753 | if (!bcm_mkiovar | |
754 | ("allmulti", (void *)&allmulti, sizeof(allmulti), buf, buflen)) { | |
755 | DHD_ERROR(("%s: mkiovar failed for allmulti, datalen %d " | |
756 | "buflen %u\n", dhd_ifname(&dhd->pub, ifidx), | |
757 | (int)sizeof(allmulti), buflen)); | |
182acb3c | 758 | kfree(buf); |
cf2b4488 HP |
759 | return; |
760 | } | |
761 | ||
762 | memset(&ioc, 0, sizeof(ioc)); | |
763 | ioc.cmd = WLC_SET_VAR; | |
764 | ioc.buf = buf; | |
765 | ioc.len = buflen; | |
0f0881b0 | 766 | ioc.set = true; |
cf2b4488 HP |
767 | |
768 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
769 | if (ret < 0) { | |
770 | DHD_ERROR(("%s: set allmulti %d failed\n", | |
628f10ba SF |
771 | dhd_ifname(&dhd->pub, ifidx), |
772 | le32_to_cpu(allmulti))); | |
cf2b4488 HP |
773 | } |
774 | ||
182acb3c | 775 | kfree(buf); |
cf2b4488 HP |
776 | |
777 | /* Finally, pick up the PROMISC flag as well, like the NIC | |
778 | driver does */ | |
779 | ||
0965ae88 | 780 | allmulti = (dev->flags & IFF_PROMISC) ? true : false; |
628f10ba | 781 | allmulti = cpu_to_le32(allmulti); |
cf2b4488 HP |
782 | |
783 | memset(&ioc, 0, sizeof(ioc)); | |
784 | ioc.cmd = WLC_SET_PROMISC; | |
785 | ioc.buf = &allmulti; | |
786 | ioc.len = sizeof(allmulti); | |
0f0881b0 | 787 | ioc.set = true; |
cf2b4488 HP |
788 | |
789 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
790 | if (ret < 0) { | |
791 | DHD_ERROR(("%s: set promisc %d failed\n", | |
628f10ba SF |
792 | dhd_ifname(&dhd->pub, ifidx), |
793 | le32_to_cpu(allmulti))); | |
cf2b4488 HP |
794 | } |
795 | } | |
796 | ||
797 | static int | |
a44d4236 | 798 | _dhd_set_mac_address(dhd_info_t *dhd, int ifidx, u8 *addr) |
cf2b4488 HP |
799 | { |
800 | char buf[32]; | |
801 | wl_ioctl_t ioc; | |
802 | int ret; | |
803 | ||
804 | DHD_TRACE(("%s enter\n", __func__)); | |
805 | if (!bcm_mkiovar | |
b8d63078 | 806 | ("cur_etheraddr", (char *)addr, ETH_ALEN, buf, 32)) { |
cf2b4488 HP |
807 | DHD_ERROR(("%s: mkiovar failed for cur_etheraddr\n", |
808 | dhd_ifname(&dhd->pub, ifidx))); | |
809 | return -1; | |
810 | } | |
811 | memset(&ioc, 0, sizeof(ioc)); | |
812 | ioc.cmd = WLC_SET_VAR; | |
813 | ioc.buf = buf; | |
814 | ioc.len = 32; | |
0f0881b0 | 815 | ioc.set = true; |
cf2b4488 HP |
816 | |
817 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
818 | if (ret < 0) { | |
819 | DHD_ERROR(("%s: set cur_etheraddr failed\n", | |
820 | dhd_ifname(&dhd->pub, ifidx))); | |
821 | } else { | |
b8d63078 | 822 | memcpy(dhd->iflist[ifidx]->net->dev_addr, addr, ETH_ALEN); |
cf2b4488 HP |
823 | } |
824 | ||
825 | return ret; | |
826 | } | |
827 | ||
828 | #ifdef SOFTAP | |
829 | extern struct net_device *ap_net_dev; | |
830 | #endif | |
831 | ||
832 | static void dhd_op_if(dhd_if_t *ifp) | |
833 | { | |
834 | dhd_info_t *dhd; | |
835 | int ret = 0, err = 0; | |
836 | ||
837 | ASSERT(ifp && ifp->info && ifp->idx); /* Virtual interfaces only */ | |
838 | ||
839 | dhd = ifp->info; | |
840 | ||
841 | DHD_TRACE(("%s: idx %d, state %d\n", __func__, ifp->idx, ifp->state)); | |
842 | ||
843 | switch (ifp->state) { | |
844 | case WLC_E_IF_ADD: | |
845 | /* | |
846 | * Delete the existing interface before overwriting it | |
847 | * in case we missed the WLC_E_IF_DEL event. | |
848 | */ | |
849 | if (ifp->net != NULL) { | |
850 | DHD_ERROR(("%s: ERROR: netdev:%s already exists, " | |
851 | "try free & unregister\n", | |
852 | __func__, ifp->net->name)); | |
853 | netif_stop_queue(ifp->net); | |
854 | unregister_netdev(ifp->net); | |
855 | free_netdev(ifp->net); | |
856 | } | |
857 | /* Allocate etherdev, including space for private structure */ | |
a618cc28 JC |
858 | ifp->net = alloc_etherdev(sizeof(dhd)); |
859 | if (!ifp->net) { | |
cf2b4488 HP |
860 | DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); |
861 | ret = -ENOMEM; | |
862 | } | |
863 | if (ret == 0) { | |
864 | strcpy(ifp->net->name, ifp->name); | |
865 | memcpy(netdev_priv(ifp->net), &dhd, sizeof(dhd)); | |
a618cc28 JC |
866 | err = dhd_net_attach(&dhd->pub, ifp->idx); |
867 | if (err != 0) { | |
cf2b4488 HP |
868 | DHD_ERROR(("%s: dhd_net_attach failed, " |
869 | "err %d\n", | |
870 | __func__, err)); | |
871 | ret = -EOPNOTSUPP; | |
872 | } else { | |
873 | #ifdef SOFTAP | |
874 | /* semaphore that the soft AP CODE | |
875 | waits on */ | |
876 | extern struct semaphore ap_eth_sema; | |
877 | ||
878 | /* save ptr to wl0.1 netdev for use | |
879 | in wl_iw.c */ | |
880 | ap_net_dev = ifp->net; | |
881 | /* signal to the SOFTAP 'sleeper' thread, | |
882 | wl0.1 is ready */ | |
883 | up(&ap_eth_sema); | |
884 | #endif | |
885 | DHD_TRACE(("\n ==== pid:%x, net_device for " | |
886 | "if:%s created ===\n\n", | |
887 | current->pid, ifp->net->name)); | |
888 | ifp->state = 0; | |
889 | } | |
890 | } | |
891 | break; | |
892 | case WLC_E_IF_DEL: | |
893 | if (ifp->net != NULL) { | |
894 | DHD_TRACE(("\n%s: got 'WLC_E_IF_DEL' state\n", | |
895 | __func__)); | |
896 | netif_stop_queue(ifp->net); | |
897 | unregister_netdev(ifp->net); | |
898 | ret = DHD_DEL_IF; /* Make sure the free_netdev() | |
899 | is called */ | |
900 | } | |
901 | break; | |
902 | default: | |
903 | DHD_ERROR(("%s: bad op %d\n", __func__, ifp->state)); | |
904 | ASSERT(!ifp->state); | |
905 | break; | |
906 | } | |
907 | ||
908 | if (ret < 0) { | |
909 | if (ifp->net) | |
910 | free_netdev(ifp->net); | |
911 | ||
912 | dhd->iflist[ifp->idx] = NULL; | |
182acb3c | 913 | kfree(ifp); |
cf2b4488 HP |
914 | #ifdef SOFTAP |
915 | if (ifp->net == ap_net_dev) | |
916 | ap_net_dev = NULL; /* NULL SOFTAP global | |
917 | wl0.1 as well */ | |
918 | #endif /* SOFTAP */ | |
919 | } | |
920 | } | |
921 | ||
922 | static int _dhd_sysioc_thread(void *data) | |
923 | { | |
924 | dhd_info_t *dhd = (dhd_info_t *) data; | |
925 | int i; | |
926 | #ifdef SOFTAP | |
0965ae88 | 927 | bool in_ap = false; |
cf2b4488 HP |
928 | #endif |
929 | ||
af737136 | 930 | allow_signal(SIGTERM); |
931 | ||
cf2b4488 | 932 | while (down_interruptible(&dhd->sysioc_sem) == 0) { |
eeb8e46b | 933 | if (kthread_should_stop()) |
d809dcb9 | 934 | break; |
cf2b4488 HP |
935 | for (i = 0; i < DHD_MAX_IFS; i++) { |
936 | if (dhd->iflist[i]) { | |
937 | #ifdef SOFTAP | |
938 | in_ap = (ap_net_dev != NULL); | |
939 | #endif /* SOFTAP */ | |
940 | if (dhd->iflist[i]->state) | |
941 | dhd_op_if(dhd->iflist[i]); | |
942 | #ifdef SOFTAP | |
943 | if (dhd->iflist[i] == NULL) { | |
944 | DHD_TRACE(("\n\n %s: interface %d " | |
945 | "removed!\n", __func__, i)); | |
946 | continue; | |
947 | } | |
948 | ||
949 | if (in_ap && dhd->set_macaddress) { | |
950 | DHD_TRACE(("attempt to set MAC for %s " | |
951 | "in AP Mode," "blocked. \n", | |
952 | dhd->iflist[i]->net->name)); | |
0965ae88 | 953 | dhd->set_macaddress = false; |
cf2b4488 HP |
954 | continue; |
955 | } | |
956 | ||
957 | if (in_ap && dhd->set_multicast) { | |
958 | DHD_TRACE(("attempt to set MULTICAST list for %s" "in AP Mode, blocked. \n", | |
959 | dhd->iflist[i]->net->name)); | |
0965ae88 | 960 | dhd->set_multicast = false; |
cf2b4488 HP |
961 | continue; |
962 | } | |
963 | #endif /* SOFTAP */ | |
964 | if (dhd->set_multicast) { | |
0965ae88 | 965 | dhd->set_multicast = false; |
cf2b4488 HP |
966 | _dhd_set_multicast_list(dhd, i); |
967 | } | |
968 | if (dhd->set_macaddress) { | |
0965ae88 | 969 | dhd->set_macaddress = false; |
cf2b4488 | 970 | _dhd_set_mac_address(dhd, i, |
a44d4236 | 971 | dhd->macvalue); |
cf2b4488 HP |
972 | } |
973 | } | |
974 | } | |
975 | } | |
d809dcb9 | 976 | return 0; |
cf2b4488 HP |
977 | } |
978 | ||
979 | static int dhd_set_mac_address(struct net_device *dev, void *addr) | |
980 | { | |
981 | int ret = 0; | |
982 | ||
983 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
984 | struct sockaddr *sa = (struct sockaddr *)addr; | |
985 | int ifidx; | |
986 | ||
987 | ifidx = dhd_net2idx(dhd, dev); | |
988 | if (ifidx == DHD_BAD_IF) | |
989 | return -1; | |
990 | ||
d809dcb9 | 991 | ASSERT(dhd->sysioc_tsk); |
b8d63078 | 992 | memcpy(&dhd->macvalue, sa->sa_data, ETH_ALEN); |
0f0881b0 | 993 | dhd->set_macaddress = true; |
cf2b4488 HP |
994 | up(&dhd->sysioc_sem); |
995 | ||
996 | return ret; | |
997 | } | |
998 | ||
999 | static void dhd_set_multicast_list(struct net_device *dev) | |
1000 | { | |
1001 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
1002 | int ifidx; | |
1003 | ||
1004 | ifidx = dhd_net2idx(dhd, dev); | |
1005 | if (ifidx == DHD_BAD_IF) | |
1006 | return; | |
1007 | ||
d809dcb9 | 1008 | ASSERT(dhd->sysioc_tsk); |
0f0881b0 | 1009 | dhd->set_multicast = true; |
cf2b4488 HP |
1010 | up(&dhd->sysioc_sem); |
1011 | } | |
1012 | ||
c26b1378 | 1013 | int dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, struct sk_buff *pktbuf) |
cf2b4488 HP |
1014 | { |
1015 | int ret; | |
1016 | dhd_info_t *dhd = (dhd_info_t *) (dhdp->info); | |
1017 | ||
1018 | /* Reject if down */ | |
1019 | if (!dhdp->up || (dhdp->busstate == DHD_BUS_DOWN)) | |
1020 | return -ENODEV; | |
1021 | ||
1022 | /* Update multicast statistic */ | |
b8d63078 | 1023 | if (pktbuf->len >= ETH_ALEN) { |
54991ad6 | 1024 | u8 *pktdata = (u8 *) (pktbuf->data); |
e2582ad8 | 1025 | struct ethhdr *eh = (struct ethhdr *)pktdata; |
cf2b4488 | 1026 | |
e2582ad8 | 1027 | if (is_multicast_ether_addr(eh->h_dest)) |
cf2b4488 | 1028 | dhdp->tx_multicast++; |
628f10ba | 1029 | if (ntohs(eh->h_proto) == ETH_P_PAE) |
cf2b4488 HP |
1030 | atomic_inc(&dhd->pend_8021x_cnt); |
1031 | } | |
1032 | ||
cf2b4488 HP |
1033 | /* If the protocol uses a data header, apply it */ |
1034 | dhd_prot_hdrpush(dhdp, ifidx, pktbuf); | |
1035 | ||
1036 | /* Use bus module to send data frame */ | |
1037 | #ifdef BCMDBUS | |
1038 | ret = dbus_send_pkt(dhdp->dbus, pktbuf, NULL /* pktinfo */); | |
1039 | #else | |
cf2b4488 HP |
1040 | ret = dhd_bus_txdata(dhdp->bus, pktbuf); |
1041 | #endif /* BCMDBUS */ | |
1042 | ||
1043 | return ret; | |
1044 | } | |
1045 | ||
411ee44a | 1046 | static inline void * |
537ebbbe | 1047 | osl_pkt_frmnative(struct sk_buff *skb) |
411ee44a | 1048 | { |
411ee44a BR |
1049 | return (void *)skb; |
1050 | } | |
1051 | #define PKTFRMNATIVE(osh, skb) \ | |
537ebbbe | 1052 | osl_pkt_frmnative((struct sk_buff *)(skb)) |
411ee44a BR |
1053 | |
1054 | static inline struct sk_buff * | |
537ebbbe | 1055 | osl_pkt_tonative(void *pkt) |
411ee44a | 1056 | { |
411ee44a BR |
1057 | return (struct sk_buff *)pkt; |
1058 | } | |
1059 | #define PKTTONATIVE(osh, pkt) \ | |
537ebbbe | 1060 | osl_pkt_tonative((pkt)) |
411ee44a | 1061 | |
cf2b4488 HP |
1062 | static int dhd_start_xmit(struct sk_buff *skb, struct net_device *net) |
1063 | { | |
1064 | int ret; | |
1065 | void *pktbuf; | |
1066 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1067 | int ifidx; | |
1068 | ||
1069 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1070 | ||
1071 | /* Reject if down */ | |
1072 | if (!dhd->pub.up || (dhd->pub.busstate == DHD_BUS_DOWN)) { | |
1073 | DHD_ERROR(("%s: xmit rejected pub.up=%d busstate=%d\n", | |
1074 | __func__, dhd->pub.up, dhd->pub.busstate)); | |
1075 | netif_stop_queue(net); | |
1076 | return -ENODEV; | |
1077 | } | |
1078 | ||
1079 | ifidx = dhd_net2idx(dhd, net); | |
1080 | if (ifidx == DHD_BAD_IF) { | |
1081 | DHD_ERROR(("%s: bad ifidx %d\n", __func__, ifidx)); | |
1082 | netif_stop_queue(net); | |
1083 | return -ENODEV; | |
1084 | } | |
1085 | ||
1086 | /* Make sure there's enough room for any header */ | |
1087 | if (skb_headroom(skb) < dhd->pub.hdrlen) { | |
1088 | struct sk_buff *skb2; | |
1089 | ||
1090 | DHD_INFO(("%s: insufficient headroom\n", | |
1091 | dhd_ifname(&dhd->pub, ifidx))); | |
1092 | dhd->pub.tx_realloc++; | |
1093 | skb2 = skb_realloc_headroom(skb, dhd->pub.hdrlen); | |
1094 | dev_kfree_skb(skb); | |
a618cc28 JC |
1095 | skb = skb2; |
1096 | if (skb == NULL) { | |
cf2b4488 HP |
1097 | DHD_ERROR(("%s: skb_realloc_headroom failed\n", |
1098 | dhd_ifname(&dhd->pub, ifidx))); | |
1099 | ret = -ENOMEM; | |
1100 | goto done; | |
1101 | } | |
1102 | } | |
1103 | ||
1104 | /* Convert to packet */ | |
a618cc28 JC |
1105 | pktbuf = PKTFRMNATIVE(dhd->pub.osh, skb); |
1106 | if (!pktbuf) { | |
cf2b4488 HP |
1107 | DHD_ERROR(("%s: PKTFRMNATIVE failed\n", |
1108 | dhd_ifname(&dhd->pub, ifidx))); | |
1109 | dev_kfree_skb_any(skb); | |
1110 | ret = -ENOMEM; | |
1111 | goto done; | |
1112 | } | |
1113 | ||
1114 | ret = dhd_sendpkt(&dhd->pub, ifidx, pktbuf); | |
1115 | ||
1116 | done: | |
1117 | if (ret) | |
1118 | dhd->pub.dstats.tx_dropped++; | |
1119 | else | |
1120 | dhd->pub.tx_packets++; | |
1121 | ||
1122 | /* Return ok: we always eat the packet */ | |
1123 | return 0; | |
1124 | } | |
1125 | ||
1126 | void dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool state) | |
1127 | { | |
1128 | struct net_device *net; | |
1129 | dhd_info_t *dhd = dhdp->info; | |
1130 | ||
1131 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1132 | ||
1133 | dhdp->txoff = state; | |
1134 | ASSERT(dhd && dhd->iflist[ifidx]); | |
1135 | net = dhd->iflist[ifidx]->net; | |
1136 | if (state == ON) | |
1137 | netif_stop_queue(net); | |
1138 | else | |
1139 | netif_wake_queue(net); | |
1140 | } | |
1141 | ||
c26b1378 AS |
1142 | void dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, struct sk_buff *pktbuf, |
1143 | int numpkt) | |
cf2b4488 HP |
1144 | { |
1145 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
1146 | struct sk_buff *skb; | |
580a0bd9 | 1147 | unsigned char *eth; |
cf2b4488 | 1148 | uint len; |
c26b1378 AS |
1149 | void *data; |
1150 | struct sk_buff *pnext, *save_pktbuf; | |
cf2b4488 HP |
1151 | int i; |
1152 | dhd_if_t *ifp; | |
1153 | wl_event_msg_t event; | |
1154 | ||
1155 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1156 | ||
1157 | save_pktbuf = pktbuf; | |
1158 | ||
1159 | for (i = 0; pktbuf && i < numpkt; i++, pktbuf = pnext) { | |
1160 | ||
54991ad6 AS |
1161 | pnext = pktbuf->next; |
1162 | pktbuf->next = NULL; | |
cf2b4488 HP |
1163 | |
1164 | skb = PKTTONATIVE(dhdp->osh, pktbuf); | |
1165 | ||
1166 | /* Get the protocol, maintain skb around eth_type_trans() | |
1167 | * The main reason for this hack is for the limitation of | |
1168 | * Linux 2.4 where 'eth_type_trans' uses the | |
1169 | * 'net->hard_header_len' | |
1170 | * to perform skb_pull inside vs ETH_HLEN. Since to avoid | |
1171 | * coping of the packet coming from the network stack to add | |
1172 | * BDC, Hardware header etc, during network interface | |
1173 | * registration | |
1174 | * we set the 'net->hard_header_len' to ETH_HLEN + extra space | |
1175 | * required | |
1176 | * for BDC, Hardware header etc. and not just the ETH_HLEN | |
1177 | */ | |
1178 | eth = skb->data; | |
1179 | len = skb->len; | |
1180 | ||
1181 | ifp = dhd->iflist[ifidx]; | |
1182 | if (ifp == NULL) | |
1183 | ifp = dhd->iflist[0]; | |
1184 | ||
1185 | ASSERT(ifp); | |
1186 | skb->dev = ifp->net; | |
1187 | skb->protocol = eth_type_trans(skb, skb->dev); | |
1188 | ||
1189 | if (skb->pkt_type == PACKET_MULTICAST) | |
1190 | dhd->pub.rx_multicast++; | |
1191 | ||
1192 | skb->data = eth; | |
1193 | skb->len = len; | |
1194 | ||
1195 | /* Strip header, count, deliver upward */ | |
1196 | skb_pull(skb, ETH_HLEN); | |
1197 | ||
1198 | /* Process special event packets and then discard them */ | |
628f10ba | 1199 | if (ntohs(skb->protocol) == ETH_P_BRCM) |
cf2b4488 | 1200 | dhd_wl_host_event(dhd, &ifidx, |
d4fcdc68 | 1201 | skb_mac_header(skb), |
cf2b4488 HP |
1202 | &event, &data); |
1203 | ||
1204 | ASSERT(ifidx < DHD_MAX_IFS && dhd->iflist[ifidx]); | |
1205 | if (dhd->iflist[ifidx] && !dhd->iflist[ifidx]->state) | |
1206 | ifp = dhd->iflist[ifidx]; | |
1207 | ||
1208 | if (ifp->net) | |
1209 | ifp->net->last_rx = jiffies; | |
1210 | ||
1211 | dhdp->dstats.rx_bytes += skb->len; | |
1212 | dhdp->rx_packets++; /* Local count */ | |
1213 | ||
1214 | if (in_interrupt()) { | |
1215 | netif_rx(skb); | |
1216 | } else { | |
1217 | /* If the receive is not processed inside an ISR, | |
1218 | * the softirqd must be woken explicitly to service | |
1219 | * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled | |
1220 | * by netif_rx_ni(), but in earlier kernels, we need | |
1221 | * to do it manually. | |
1222 | */ | |
1223 | netif_rx_ni(skb); | |
1224 | } | |
1225 | } | |
1226 | } | |
1227 | ||
1228 | void dhd_event(struct dhd_info *dhd, char *evpkt, int evlen, int ifidx) | |
1229 | { | |
1230 | /* Linux version has nothing to do */ | |
1231 | return; | |
1232 | } | |
1233 | ||
c26b1378 | 1234 | void dhd_txcomplete(dhd_pub_t *dhdp, struct sk_buff *txp, bool success) |
cf2b4488 HP |
1235 | { |
1236 | uint ifidx; | |
1237 | dhd_info_t *dhd = (dhd_info_t *) (dhdp->info); | |
e2582ad8 | 1238 | struct ethhdr *eh; |
7d4df48e | 1239 | u16 type; |
cf2b4488 HP |
1240 | |
1241 | dhd_prot_hdrpull(dhdp, &ifidx, txp); | |
1242 | ||
e2582ad8 | 1243 | eh = (struct ethhdr *)(txp->data); |
628f10ba | 1244 | type = ntohs(eh->h_proto); |
cf2b4488 | 1245 | |
fcbdbed0 | 1246 | if (type == ETH_P_PAE) |
cf2b4488 HP |
1247 | atomic_dec(&dhd->pend_8021x_cnt); |
1248 | ||
1249 | } | |
1250 | ||
1251 | static struct net_device_stats *dhd_get_stats(struct net_device *net) | |
1252 | { | |
1253 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1254 | dhd_if_t *ifp; | |
1255 | int ifidx; | |
1256 | ||
1257 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1258 | ||
1259 | ifidx = dhd_net2idx(dhd, net); | |
1260 | if (ifidx == DHD_BAD_IF) | |
1261 | return NULL; | |
1262 | ||
1263 | ifp = dhd->iflist[ifidx]; | |
1264 | ASSERT(dhd && ifp); | |
1265 | ||
1266 | if (dhd->pub.up) { | |
1267 | /* Use the protocol to get dongle stats */ | |
1268 | dhd_prot_dstats(&dhd->pub); | |
1269 | } | |
1270 | ||
1271 | /* Copy dongle stats to net device stats */ | |
1272 | ifp->stats.rx_packets = dhd->pub.dstats.rx_packets; | |
1273 | ifp->stats.tx_packets = dhd->pub.dstats.tx_packets; | |
1274 | ifp->stats.rx_bytes = dhd->pub.dstats.rx_bytes; | |
1275 | ifp->stats.tx_bytes = dhd->pub.dstats.tx_bytes; | |
1276 | ifp->stats.rx_errors = dhd->pub.dstats.rx_errors; | |
1277 | ifp->stats.tx_errors = dhd->pub.dstats.tx_errors; | |
1278 | ifp->stats.rx_dropped = dhd->pub.dstats.rx_dropped; | |
1279 | ifp->stats.tx_dropped = dhd->pub.dstats.tx_dropped; | |
1280 | ifp->stats.multicast = dhd->pub.dstats.multicast; | |
1281 | ||
1282 | return &ifp->stats; | |
1283 | } | |
1284 | ||
1285 | static int dhd_watchdog_thread(void *data) | |
1286 | { | |
1287 | dhd_info_t *dhd = (dhd_info_t *) data; | |
cf2b4488 HP |
1288 | |
1289 | /* This thread doesn't need any user-level access, | |
1290 | * so get rid of all our resources | |
1291 | */ | |
1292 | #ifdef DHD_SCHED | |
1293 | if (dhd_watchdog_prio > 0) { | |
1294 | struct sched_param param; | |
1295 | param.sched_priority = (dhd_watchdog_prio < MAX_RT_PRIO) ? | |
1296 | dhd_watchdog_prio : (MAX_RT_PRIO - 1); | |
1297 | setScheduler(current, SCHED_FIFO, ¶m); | |
1298 | } | |
1299 | #endif /* DHD_SCHED */ | |
1300 | ||
af737136 | 1301 | allow_signal(SIGTERM); |
cf2b4488 HP |
1302 | /* Run until signal received */ |
1303 | while (1) { | |
860708d9 JC |
1304 | if (kthread_should_stop()) |
1305 | break; | |
cf2b4488 | 1306 | if (down_interruptible(&dhd->watchdog_sem) == 0) { |
0965ae88 | 1307 | if (dhd->pub.dongle_reset == false) { |
cf2b4488 HP |
1308 | /* Call the bus module watchdog */ |
1309 | dhd_bus_watchdog(&dhd->pub); | |
cf2b4488 HP |
1310 | } |
1311 | /* Count the tick for reference */ | |
1312 | dhd->pub.tickcnt++; | |
1313 | } else | |
1314 | break; | |
1315 | } | |
860708d9 | 1316 | return 0; |
cf2b4488 HP |
1317 | } |
1318 | ||
3deea904 | 1319 | static void dhd_watchdog(unsigned long data) |
cf2b4488 HP |
1320 | { |
1321 | dhd_info_t *dhd = (dhd_info_t *) data; | |
1322 | ||
860708d9 | 1323 | if (dhd->watchdog_tsk) { |
cf2b4488 HP |
1324 | up(&dhd->watchdog_sem); |
1325 | ||
1326 | /* Reschedule the watchdog */ | |
1327 | if (dhd->wd_timer_valid) { | |
1328 | mod_timer(&dhd->timer, | |
1329 | jiffies + dhd_watchdog_ms * HZ / 1000); | |
1330 | } | |
1331 | return; | |
1332 | } | |
1333 | ||
1334 | /* Call the bus module watchdog */ | |
1335 | dhd_bus_watchdog(&dhd->pub); | |
1336 | ||
1337 | /* Count the tick for reference */ | |
1338 | dhd->pub.tickcnt++; | |
1339 | ||
1340 | /* Reschedule the watchdog */ | |
1341 | if (dhd->wd_timer_valid) | |
1342 | mod_timer(&dhd->timer, jiffies + dhd_watchdog_ms * HZ / 1000); | |
1343 | } | |
1344 | ||
1345 | static int dhd_dpc_thread(void *data) | |
1346 | { | |
1347 | dhd_info_t *dhd = (dhd_info_t *) data; | |
1348 | ||
cf2b4488 HP |
1349 | /* This thread doesn't need any user-level access, |
1350 | * so get rid of all our resources | |
1351 | */ | |
1352 | #ifdef DHD_SCHED | |
1353 | if (dhd_dpc_prio > 0) { | |
1354 | struct sched_param param; | |
1355 | param.sched_priority = | |
1356 | (dhd_dpc_prio < | |
1357 | MAX_RT_PRIO) ? dhd_dpc_prio : (MAX_RT_PRIO - 1); | |
1358 | setScheduler(current, SCHED_FIFO, ¶m); | |
1359 | } | |
1360 | #endif /* DHD_SCHED */ | |
1361 | ||
af737136 | 1362 | allow_signal(SIGTERM); |
cf2b4488 HP |
1363 | /* Run until signal received */ |
1364 | while (1) { | |
eeb8e46b | 1365 | if (kthread_should_stop()) |
ecd7559d | 1366 | break; |
cf2b4488 HP |
1367 | if (down_interruptible(&dhd->dpc_sem) == 0) { |
1368 | /* Call bus dpc unless it indicated down | |
1369 | (then clean stop) */ | |
1370 | if (dhd->pub.busstate != DHD_BUS_DOWN) { | |
cf2b4488 HP |
1371 | if (dhd_bus_dpc(dhd->pub.bus)) { |
1372 | up(&dhd->dpc_sem); | |
cf2b4488 | 1373 | } |
cf2b4488 | 1374 | } else { |
0f0881b0 | 1375 | dhd_bus_stop(dhd->pub.bus, true); |
cf2b4488 HP |
1376 | } |
1377 | } else | |
1378 | break; | |
1379 | } | |
ecd7559d | 1380 | return 0; |
cf2b4488 HP |
1381 | } |
1382 | ||
3deea904 | 1383 | static void dhd_dpc(unsigned long data) |
cf2b4488 HP |
1384 | { |
1385 | dhd_info_t *dhd; | |
1386 | ||
1387 | dhd = (dhd_info_t *) data; | |
1388 | ||
1389 | /* Call bus dpc unless it indicated down (then clean stop) */ | |
1390 | if (dhd->pub.busstate != DHD_BUS_DOWN) { | |
1391 | if (dhd_bus_dpc(dhd->pub.bus)) | |
1392 | tasklet_schedule(&dhd->tasklet); | |
1393 | } else { | |
0f0881b0 | 1394 | dhd_bus_stop(dhd->pub.bus, true); |
cf2b4488 HP |
1395 | } |
1396 | } | |
1397 | ||
1398 | void dhd_sched_dpc(dhd_pub_t *dhdp) | |
1399 | { | |
1400 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
1401 | ||
ecd7559d | 1402 | if (dhd->dpc_tsk) { |
cf2b4488 HP |
1403 | up(&dhd->dpc_sem); |
1404 | return; | |
1405 | } | |
1406 | ||
1407 | tasklet_schedule(&dhd->tasklet); | |
1408 | } | |
1409 | ||
1410 | #ifdef TOE | |
1411 | /* Retrieve current toe component enables, which are kept | |
1412 | as a bitmap in toe_ol iovar */ | |
66cbd3ab | 1413 | static int dhd_toe_get(dhd_info_t *dhd, int ifidx, u32 *toe_ol) |
cf2b4488 HP |
1414 | { |
1415 | wl_ioctl_t ioc; | |
1416 | char buf[32]; | |
1417 | int ret; | |
1418 | ||
1419 | memset(&ioc, 0, sizeof(ioc)); | |
1420 | ||
1421 | ioc.cmd = WLC_GET_VAR; | |
1422 | ioc.buf = buf; | |
1423 | ioc.len = (uint) sizeof(buf); | |
0965ae88 | 1424 | ioc.set = false; |
cf2b4488 HP |
1425 | |
1426 | strcpy(buf, "toe_ol"); | |
a618cc28 JC |
1427 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
1428 | if (ret < 0) { | |
cf2b4488 HP |
1429 | /* Check for older dongle image that doesn't support toe_ol */ |
1430 | if (ret == -EIO) { | |
1431 | DHD_ERROR(("%s: toe not supported by device\n", | |
1432 | dhd_ifname(&dhd->pub, ifidx))); | |
1433 | return -EOPNOTSUPP; | |
1434 | } | |
1435 | ||
1436 | DHD_INFO(("%s: could not get toe_ol: ret=%d\n", | |
1437 | dhd_ifname(&dhd->pub, ifidx), ret)); | |
1438 | return ret; | |
1439 | } | |
1440 | ||
66cbd3ab | 1441 | memcpy(toe_ol, buf, sizeof(u32)); |
cf2b4488 HP |
1442 | return 0; |
1443 | } | |
1444 | ||
1445 | /* Set current toe component enables in toe_ol iovar, | |
1446 | and set toe global enable iovar */ | |
66cbd3ab | 1447 | static int dhd_toe_set(dhd_info_t *dhd, int ifidx, u32 toe_ol) |
cf2b4488 HP |
1448 | { |
1449 | wl_ioctl_t ioc; | |
1450 | char buf[32]; | |
1451 | int toe, ret; | |
1452 | ||
1453 | memset(&ioc, 0, sizeof(ioc)); | |
1454 | ||
1455 | ioc.cmd = WLC_SET_VAR; | |
1456 | ioc.buf = buf; | |
1457 | ioc.len = (uint) sizeof(buf); | |
0f0881b0 | 1458 | ioc.set = true; |
cf2b4488 HP |
1459 | |
1460 | /* Set toe_ol as requested */ | |
1461 | ||
1462 | strcpy(buf, "toe_ol"); | |
66cbd3ab | 1463 | memcpy(&buf[sizeof("toe_ol")], &toe_ol, sizeof(u32)); |
cf2b4488 | 1464 | |
a618cc28 JC |
1465 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
1466 | if (ret < 0) { | |
cf2b4488 HP |
1467 | DHD_ERROR(("%s: could not set toe_ol: ret=%d\n", |
1468 | dhd_ifname(&dhd->pub, ifidx), ret)); | |
1469 | return ret; | |
1470 | } | |
1471 | ||
1472 | /* Enable toe globally only if any components are enabled. */ | |
1473 | ||
1474 | toe = (toe_ol != 0); | |
1475 | ||
1476 | strcpy(buf, "toe"); | |
66cbd3ab | 1477 | memcpy(&buf[sizeof("toe")], &toe, sizeof(u32)); |
cf2b4488 | 1478 | |
a618cc28 JC |
1479 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
1480 | if (ret < 0) { | |
cf2b4488 HP |
1481 | DHD_ERROR(("%s: could not set toe: ret=%d\n", |
1482 | dhd_ifname(&dhd->pub, ifidx), ret)); | |
1483 | return ret; | |
1484 | } | |
1485 | ||
1486 | return 0; | |
1487 | } | |
1488 | #endif /* TOE */ | |
1489 | ||
1490 | static void dhd_ethtool_get_drvinfo(struct net_device *net, | |
1491 | struct ethtool_drvinfo *info) | |
1492 | { | |
1493 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1494 | ||
93ad12cf | 1495 | sprintf(info->driver, DRV_MODULE_NAME); |
cf2b4488 | 1496 | sprintf(info->version, "%lu", dhd->pub.drv_version); |
93ad12cf | 1497 | sprintf(info->fw_version, "%s", wl_cfg80211_get_fwname()); |
1498 | sprintf(info->bus_info, "%s", dev_name(&wl_cfg80211_get_sdio_func()->dev)); | |
cf2b4488 HP |
1499 | } |
1500 | ||
1501 | struct ethtool_ops dhd_ethtool_ops = { | |
1502 | .get_drvinfo = dhd_ethtool_get_drvinfo | |
1503 | }; | |
1504 | ||
1505 | static int dhd_ethtool(dhd_info_t *dhd, void *uaddr) | |
1506 | { | |
1507 | struct ethtool_drvinfo info; | |
1508 | char drvname[sizeof(info.driver)]; | |
66cbd3ab | 1509 | u32 cmd; |
cf2b4488 HP |
1510 | #ifdef TOE |
1511 | struct ethtool_value edata; | |
66cbd3ab | 1512 | u32 toe_cmpnt, csum_dir; |
cf2b4488 HP |
1513 | int ret; |
1514 | #endif | |
1515 | ||
1516 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1517 | ||
1518 | /* all ethtool calls start with a cmd word */ | |
66cbd3ab | 1519 | if (copy_from_user(&cmd, uaddr, sizeof(u32))) |
cf2b4488 HP |
1520 | return -EFAULT; |
1521 | ||
1522 | switch (cmd) { | |
1523 | case ETHTOOL_GDRVINFO: | |
1524 | /* Copy out any request driver name */ | |
1525 | if (copy_from_user(&info, uaddr, sizeof(info))) | |
1526 | return -EFAULT; | |
1527 | strncpy(drvname, info.driver, sizeof(info.driver)); | |
1528 | drvname[sizeof(info.driver) - 1] = '\0'; | |
1529 | ||
1530 | /* clear struct for return */ | |
1531 | memset(&info, 0, sizeof(info)); | |
1532 | info.cmd = cmd; | |
1533 | ||
1534 | /* if dhd requested, identify ourselves */ | |
1535 | if (strcmp(drvname, "?dhd") == 0) { | |
1536 | sprintf(info.driver, "dhd"); | |
1537 | strcpy(info.version, EPI_VERSION_STR); | |
1538 | } | |
1539 | ||
1540 | /* otherwise, require dongle to be up */ | |
1541 | else if (!dhd->pub.up) { | |
1542 | DHD_ERROR(("%s: dongle is not up\n", __func__)); | |
1543 | return -ENODEV; | |
1544 | } | |
1545 | ||
1546 | /* finally, report dongle driver type */ | |
1547 | else if (dhd->pub.iswl) | |
1548 | sprintf(info.driver, "wl"); | |
1549 | else | |
1550 | sprintf(info.driver, "xx"); | |
1551 | ||
1552 | sprintf(info.version, "%lu", dhd->pub.drv_version); | |
1553 | if (copy_to_user(uaddr, &info, sizeof(info))) | |
1554 | return -EFAULT; | |
1555 | DHD_CTL(("%s: given %*s, returning %s\n", __func__, | |
1556 | (int)sizeof(drvname), drvname, info.driver)); | |
1557 | break; | |
1558 | ||
1559 | #ifdef TOE | |
1560 | /* Get toe offload components from dongle */ | |
1561 | case ETHTOOL_GRXCSUM: | |
1562 | case ETHTOOL_GTXCSUM: | |
a618cc28 JC |
1563 | ret = dhd_toe_get(dhd, 0, &toe_cmpnt); |
1564 | if (ret < 0) | |
cf2b4488 HP |
1565 | return ret; |
1566 | ||
1567 | csum_dir = | |
1568 | (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | |
1569 | ||
1570 | edata.cmd = cmd; | |
1571 | edata.data = (toe_cmpnt & csum_dir) ? 1 : 0; | |
1572 | ||
1573 | if (copy_to_user(uaddr, &edata, sizeof(edata))) | |
1574 | return -EFAULT; | |
1575 | break; | |
1576 | ||
1577 | /* Set toe offload components in dongle */ | |
1578 | case ETHTOOL_SRXCSUM: | |
1579 | case ETHTOOL_STXCSUM: | |
1580 | if (copy_from_user(&edata, uaddr, sizeof(edata))) | |
1581 | return -EFAULT; | |
1582 | ||
1583 | /* Read the current settings, update and write back */ | |
a618cc28 JC |
1584 | ret = dhd_toe_get(dhd, 0, &toe_cmpnt); |
1585 | if (ret < 0) | |
cf2b4488 HP |
1586 | return ret; |
1587 | ||
1588 | csum_dir = | |
1589 | (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | |
1590 | ||
1591 | if (edata.data != 0) | |
1592 | toe_cmpnt |= csum_dir; | |
1593 | else | |
1594 | toe_cmpnt &= ~csum_dir; | |
1595 | ||
a618cc28 JC |
1596 | ret = dhd_toe_set(dhd, 0, toe_cmpnt); |
1597 | if (ret < 0) | |
cf2b4488 HP |
1598 | return ret; |
1599 | ||
1600 | /* If setting TX checksum mode, tell Linux the new mode */ | |
1601 | if (cmd == ETHTOOL_STXCSUM) { | |
1602 | if (edata.data) | |
1603 | dhd->iflist[0]->net->features |= | |
1604 | NETIF_F_IP_CSUM; | |
1605 | else | |
1606 | dhd->iflist[0]->net->features &= | |
1607 | ~NETIF_F_IP_CSUM; | |
1608 | } | |
1609 | ||
1610 | break; | |
1611 | #endif /* TOE */ | |
1612 | ||
1613 | default: | |
1614 | return -EOPNOTSUPP; | |
1615 | } | |
1616 | ||
1617 | return 0; | |
1618 | } | |
1619 | ||
1620 | static int dhd_ioctl_entry(struct net_device *net, struct ifreq *ifr, int cmd) | |
1621 | { | |
1622 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1623 | dhd_ioctl_t ioc; | |
1624 | int bcmerror = 0; | |
1625 | int buflen = 0; | |
1626 | void *buf = NULL; | |
1627 | uint driver = 0; | |
1628 | int ifidx; | |
1629 | bool is_set_key_cmd; | |
1630 | ||
1631 | ifidx = dhd_net2idx(dhd, net); | |
1632 | DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __func__, ifidx, cmd)); | |
1633 | ||
1634 | if (ifidx == DHD_BAD_IF) | |
1635 | return -1; | |
1636 | ||
1637 | #if defined(CONFIG_WIRELESS_EXT) | |
1638 | /* linux wireless extensions */ | |
1639 | if ((cmd >= SIOCIWFIRST) && (cmd <= SIOCIWLAST)) { | |
1640 | /* may recurse, do NOT lock */ | |
1641 | return wl_iw_ioctl(net, ifr, cmd); | |
1642 | } | |
1643 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
1644 | ||
1645 | if (cmd == SIOCETHTOOL) | |
1646 | return dhd_ethtool(dhd, (void *)ifr->ifr_data); | |
1647 | ||
1648 | if (cmd != SIOCDEVPRIVATE) | |
1649 | return -EOPNOTSUPP; | |
1650 | ||
1651 | memset(&ioc, 0, sizeof(ioc)); | |
1652 | ||
1653 | /* Copy the ioc control structure part of ioctl request */ | |
1654 | if (copy_from_user(&ioc, ifr->ifr_data, sizeof(wl_ioctl_t))) { | |
e10d82d4 | 1655 | bcmerror = -EINVAL; |
cf2b4488 HP |
1656 | goto done; |
1657 | } | |
1658 | ||
1659 | /* Copy out any buffer passed */ | |
1660 | if (ioc.buf) { | |
53e974db | 1661 | buflen = min_t(int, ioc.len, DHD_IOCTL_MAXLEN); |
cf2b4488 HP |
1662 | /* optimization for direct ioctl calls from kernel */ |
1663 | /* | |
1664 | if (segment_eq(get_fs(), KERNEL_DS)) { | |
1665 | buf = ioc.buf; | |
1666 | } else { | |
1667 | */ | |
1668 | { | |
5fcc1fcb | 1669 | buf = kmalloc(buflen, GFP_ATOMIC); |
a618cc28 | 1670 | if (!buf) { |
e10d82d4 | 1671 | bcmerror = -ENOMEM; |
cf2b4488 HP |
1672 | goto done; |
1673 | } | |
1674 | if (copy_from_user(buf, ioc.buf, buflen)) { | |
e10d82d4 | 1675 | bcmerror = -EINVAL; |
cf2b4488 HP |
1676 | goto done; |
1677 | } | |
1678 | } | |
1679 | } | |
1680 | ||
1681 | /* To differentiate between wl and dhd read 4 more byes */ | |
1682 | if ((copy_from_user(&driver, (char *)ifr->ifr_data + sizeof(wl_ioctl_t), | |
1683 | sizeof(uint)) != 0)) { | |
e10d82d4 | 1684 | bcmerror = -EINVAL; |
cf2b4488 HP |
1685 | goto done; |
1686 | } | |
1687 | ||
1688 | if (!capable(CAP_NET_ADMIN)) { | |
e10d82d4 | 1689 | bcmerror = -EPERM; |
cf2b4488 HP |
1690 | goto done; |
1691 | } | |
1692 | ||
1693 | /* check for local dhd ioctl and handle it */ | |
1694 | if (driver == DHD_IOCTL_MAGIC) { | |
1695 | bcmerror = dhd_ioctl((void *)&dhd->pub, &ioc, buf, buflen); | |
1696 | if (bcmerror) | |
1697 | dhd->pub.bcmerror = bcmerror; | |
1698 | goto done; | |
1699 | } | |
1700 | ||
1701 | /* send to dongle (must be up, and wl) */ | |
1702 | if ((dhd->pub.busstate != DHD_BUS_DATA)) { | |
1703 | DHD_ERROR(("%s DONGLE_DOWN,__func__\n", __func__)); | |
b74ac12e | 1704 | bcmerror = -EIO; |
cf2b4488 HP |
1705 | goto done; |
1706 | } | |
1707 | ||
1708 | if (!dhd->pub.iswl) { | |
b74ac12e | 1709 | bcmerror = -EIO; |
cf2b4488 HP |
1710 | goto done; |
1711 | } | |
1712 | ||
1713 | /* Intercept WLC_SET_KEY IOCTL - serialize M4 send and set key IOCTL to | |
1714 | * prevent M4 encryption. | |
1715 | */ | |
1716 | is_set_key_cmd = ((ioc.cmd == WLC_SET_KEY) || | |
1717 | ((ioc.cmd == WLC_SET_VAR) && | |
1718 | !(strncmp("wsec_key", ioc.buf, 9))) || | |
1719 | ((ioc.cmd == WLC_SET_VAR) && | |
1720 | !(strncmp("bsscfg:wsec_key", ioc.buf, 15)))); | |
1721 | if (is_set_key_cmd) | |
1722 | dhd_wait_pend8021x(net); | |
1723 | ||
cf2b4488 HP |
1724 | bcmerror = |
1725 | dhd_prot_ioctl(&dhd->pub, ifidx, (wl_ioctl_t *)&ioc, buf, buflen); | |
1726 | ||
cf2b4488 HP |
1727 | done: |
1728 | if (!bcmerror && buf && ioc.buf) { | |
1729 | if (copy_to_user(ioc.buf, buf, buflen)) | |
1730 | bcmerror = -EFAULT; | |
1731 | } | |
1732 | ||
46d994b1 | 1733 | kfree(buf); |
cf2b4488 | 1734 | |
9014378b BR |
1735 | if (bcmerror > 0) |
1736 | bcmerror = 0; | |
9014378b | 1737 | |
b74ac12e | 1738 | return bcmerror; |
cf2b4488 HP |
1739 | } |
1740 | ||
1741 | static int dhd_stop(struct net_device *net) | |
1742 | { | |
1743 | #if !defined(IGNORE_ETH0_DOWN) | |
1744 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1745 | ||
1746 | DHD_TRACE(("%s: Enter\n", __func__)); | |
cf2b4488 HP |
1747 | if (IS_CFG80211_FAVORITE()) { |
1748 | wl_cfg80211_down(); | |
1749 | } | |
cf2b4488 HP |
1750 | if (dhd->pub.up == 0) |
1751 | return 0; | |
1752 | ||
1753 | /* Set state and stop OS transmissions */ | |
1754 | dhd->pub.up = 0; | |
1755 | netif_stop_queue(net); | |
1756 | #else | |
1757 | DHD_ERROR(("BYPASS %s:due to BRCM compilation : under investigation\n", | |
1758 | __func__)); | |
1759 | #endif /* !defined(IGNORE_ETH0_DOWN) */ | |
1760 | ||
cf2b4488 HP |
1761 | return 0; |
1762 | } | |
1763 | ||
1764 | static int dhd_open(struct net_device *net) | |
1765 | { | |
1766 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1767 | #ifdef TOE | |
66cbd3ab | 1768 | u32 toe_ol; |
cf2b4488 HP |
1769 | #endif |
1770 | int ifidx = dhd_net2idx(dhd, net); | |
3e26416e | 1771 | s32 ret = 0; |
cf2b4488 HP |
1772 | |
1773 | DHD_TRACE(("%s: ifidx %d\n", __func__, ifidx)); | |
1774 | ||
1775 | if (ifidx == 0) { /* do it only for primary eth0 */ | |
1776 | ||
1777 | /* try to bring up bus */ | |
a618cc28 JC |
1778 | ret = dhd_bus_start(&dhd->pub); |
1779 | if (ret != 0) { | |
cf2b4488 HP |
1780 | DHD_ERROR(("%s: failed with code %d\n", __func__, ret)); |
1781 | return -1; | |
1782 | } | |
1783 | atomic_set(&dhd->pend_8021x_cnt, 0); | |
1784 | ||
a44d4236 | 1785 | memcpy(net->dev_addr, dhd->pub.mac, ETH_ALEN); |
cf2b4488 HP |
1786 | |
1787 | #ifdef TOE | |
1788 | /* Get current TOE mode from dongle */ | |
1789 | if (dhd_toe_get(dhd, ifidx, &toe_ol) >= 0 | |
1790 | && (toe_ol & TOE_TX_CSUM_OL) != 0) | |
1791 | dhd->iflist[ifidx]->net->features |= NETIF_F_IP_CSUM; | |
1792 | else | |
1793 | dhd->iflist[ifidx]->net->features &= ~NETIF_F_IP_CSUM; | |
1794 | #endif | |
1795 | } | |
1796 | /* Allow transmit calls */ | |
1797 | netif_start_queue(net); | |
1798 | dhd->pub.up = 1; | |
cf2b4488 HP |
1799 | if (IS_CFG80211_FAVORITE()) { |
1800 | if (unlikely(wl_cfg80211_up())) { | |
1801 | DHD_ERROR(("%s: failed to bring up cfg80211\n", | |
1802 | __func__)); | |
1803 | return -1; | |
1804 | } | |
1805 | } | |
cf2b4488 | 1806 | |
cf2b4488 HP |
1807 | return ret; |
1808 | } | |
1809 | ||
cf2b4488 HP |
1810 | int |
1811 | dhd_add_if(dhd_info_t *dhd, int ifidx, void *handle, char *name, | |
66cbd3ab | 1812 | u8 *mac_addr, u32 flags, u8 bssidx) |
cf2b4488 HP |
1813 | { |
1814 | dhd_if_t *ifp; | |
1815 | ||
1816 | DHD_TRACE(("%s: idx %d, handle->%p\n", __func__, ifidx, handle)); | |
1817 | ||
1818 | ASSERT(dhd && (ifidx < DHD_MAX_IFS)); | |
1819 | ||
1820 | ifp = dhd->iflist[ifidx]; | |
5fcc1fcb | 1821 | if (!ifp && !(ifp = kmalloc(sizeof(dhd_if_t), GFP_ATOMIC))) { |
cf2b4488 HP |
1822 | DHD_ERROR(("%s: OOM - dhd_if_t\n", __func__)); |
1823 | return -ENOMEM; | |
1824 | } | |
1825 | ||
1826 | memset(ifp, 0, sizeof(dhd_if_t)); | |
1827 | ifp->info = dhd; | |
1828 | dhd->iflist[ifidx] = ifp; | |
cbf6baac | 1829 | strlcpy(ifp->name, name, IFNAMSIZ); |
cf2b4488 | 1830 | if (mac_addr != NULL) |
b8d63078 | 1831 | memcpy(&ifp->mac_addr, mac_addr, ETH_ALEN); |
cf2b4488 HP |
1832 | |
1833 | if (handle == NULL) { | |
1834 | ifp->state = WLC_E_IF_ADD; | |
1835 | ifp->idx = ifidx; | |
d809dcb9 | 1836 | ASSERT(dhd->sysioc_tsk); |
cf2b4488 HP |
1837 | up(&dhd->sysioc_sem); |
1838 | } else | |
1839 | ifp->net = (struct net_device *)handle; | |
1840 | ||
1841 | return 0; | |
1842 | } | |
1843 | ||
1844 | void dhd_del_if(dhd_info_t *dhd, int ifidx) | |
1845 | { | |
1846 | dhd_if_t *ifp; | |
1847 | ||
1848 | DHD_TRACE(("%s: idx %d\n", __func__, ifidx)); | |
1849 | ||
1850 | ASSERT(dhd && ifidx && (ifidx < DHD_MAX_IFS)); | |
1851 | ifp = dhd->iflist[ifidx]; | |
1852 | if (!ifp) { | |
1853 | DHD_ERROR(("%s: Null interface\n", __func__)); | |
1854 | return; | |
1855 | } | |
1856 | ||
1857 | ifp->state = WLC_E_IF_DEL; | |
1858 | ifp->idx = ifidx; | |
d809dcb9 | 1859 | ASSERT(dhd->sysioc_tsk); |
cf2b4488 HP |
1860 | up(&dhd->sysioc_sem); |
1861 | } | |
1862 | ||
3c9d4c37 | 1863 | dhd_pub_t *dhd_attach(struct dhd_bus *bus, uint bus_hdrlen) |
cf2b4488 HP |
1864 | { |
1865 | dhd_info_t *dhd = NULL; | |
1866 | struct net_device *net; | |
1867 | ||
1868 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1869 | /* updates firmware nvram path if it was provided as module | |
1870 | paramters */ | |
1871 | if ((firmware_path != NULL) && (firmware_path[0] != '\0')) | |
1872 | strcpy(fw_path, firmware_path); | |
1873 | if ((nvram_path != NULL) && (nvram_path[0] != '\0')) | |
1874 | strcpy(nv_path, nvram_path); | |
1875 | ||
1876 | /* Allocate etherdev, including space for private structure */ | |
a618cc28 JC |
1877 | net = alloc_etherdev(sizeof(dhd)); |
1878 | if (!net) { | |
cf2b4488 HP |
1879 | DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); |
1880 | goto fail; | |
1881 | } | |
1882 | ||
1883 | /* Allocate primary dhd_info */ | |
12d0eb47 | 1884 | dhd = kzalloc(sizeof(dhd_info_t), GFP_ATOMIC); |
a618cc28 | 1885 | if (!dhd) { |
cf2b4488 HP |
1886 | DHD_ERROR(("%s: OOM - alloc dhd_info\n", __func__)); |
1887 | goto fail; | |
1888 | } | |
1889 | ||
cf2b4488 HP |
1890 | /* |
1891 | * Save the dhd_info into the priv | |
1892 | */ | |
1893 | memcpy(netdev_priv(net), &dhd, sizeof(dhd)); | |
cf2b4488 HP |
1894 | |
1895 | /* Set network interface name if it was provided as module parameter */ | |
1896 | if (iface_name[0]) { | |
1897 | int len; | |
1898 | char ch; | |
1899 | strncpy(net->name, iface_name, IFNAMSIZ); | |
1900 | net->name[IFNAMSIZ - 1] = 0; | |
1901 | len = strlen(net->name); | |
1902 | ch = net->name[len - 1]; | |
1903 | if ((ch > '9' || ch < '0') && (len < IFNAMSIZ - 2)) | |
1904 | strcat(net->name, "%d"); | |
1905 | } | |
1906 | ||
1907 | if (dhd_add_if(dhd, 0, (void *)net, net->name, NULL, 0, 0) == | |
1908 | DHD_BAD_IF) | |
1909 | goto fail; | |
1910 | ||
1911 | net->netdev_ops = NULL; | |
45f4d024 | 1912 | sema_init(&dhd->proto_sem, 1); |
cf2b4488 HP |
1913 | /* Initialize other structure content */ |
1914 | init_waitqueue_head(&dhd->ioctl_resp_wait); | |
1915 | init_waitqueue_head(&dhd->ctrl_wait); | |
1916 | ||
1917 | /* Initialize the spinlocks */ | |
1918 | spin_lock_init(&dhd->sdlock); | |
1919 | spin_lock_init(&dhd->txqlock); | |
1920 | ||
1921 | /* Link to info module */ | |
1922 | dhd->pub.info = dhd; | |
1923 | ||
1924 | /* Link to bus module */ | |
1925 | dhd->pub.bus = bus; | |
1926 | dhd->pub.hdrlen = bus_hdrlen; | |
1927 | ||
1928 | /* Attach and link in the protocol */ | |
1929 | if (dhd_prot_attach(&dhd->pub) != 0) { | |
1930 | DHD_ERROR(("dhd_prot_attach failed\n")); | |
1931 | goto fail; | |
1932 | } | |
1933 | #if defined(CONFIG_WIRELESS_EXT) | |
1934 | /* Attach and link in the iw */ | |
1935 | if (wl_iw_attach(net, (void *)&dhd->pub) != 0) { | |
1936 | DHD_ERROR(("wl_iw_attach failed\n")); | |
1937 | goto fail; | |
1938 | } | |
1e8dd5b9 | 1939 | #endif /* defined(CONFIG_WIRELESS_EXT) */ |
cf2b4488 | 1940 | |
cf2b4488 HP |
1941 | /* Attach and link in the cfg80211 */ |
1942 | if (IS_CFG80211_FAVORITE()) { | |
1943 | if (unlikely(wl_cfg80211_attach(net, &dhd->pub))) { | |
1944 | DHD_ERROR(("wl_cfg80211_attach failed\n")); | |
1945 | goto fail; | |
1946 | } | |
1947 | if (!NO_FW_REQ()) { | |
1948 | strcpy(fw_path, wl_cfg80211_get_fwname()); | |
1949 | strcpy(nv_path, wl_cfg80211_get_nvramname()); | |
1950 | } | |
cf2b4488 | 1951 | } |
cf2b4488 HP |
1952 | |
1953 | /* Set up the watchdog timer */ | |
1954 | init_timer(&dhd->timer); | |
3deea904 | 1955 | dhd->timer.data = (unsigned long) dhd; |
cf2b4488 HP |
1956 | dhd->timer.function = dhd_watchdog; |
1957 | ||
1958 | /* Initialize thread based operation and lock */ | |
45f4d024 | 1959 | sema_init(&dhd->sdsem, 1); |
cf2b4488 | 1960 | if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0)) |
0f0881b0 | 1961 | dhd->threads_only = true; |
cf2b4488 | 1962 | else |
0965ae88 | 1963 | dhd->threads_only = false; |
cf2b4488 HP |
1964 | |
1965 | if (dhd_dpc_prio >= 0) { | |
1966 | /* Initialize watchdog thread */ | |
1967 | sema_init(&dhd->watchdog_sem, 0); | |
860708d9 JC |
1968 | dhd->watchdog_tsk = kthread_run(dhd_watchdog_thread, dhd, |
1969 | "dhd_watchdog"); | |
1970 | if (IS_ERR(dhd->watchdog_tsk)) { | |
1971 | printk(KERN_WARNING | |
1972 | "dhd_watchdog thread failed to start\n"); | |
1973 | dhd->watchdog_tsk = NULL; | |
1974 | } | |
cf2b4488 | 1975 | } else { |
860708d9 | 1976 | dhd->watchdog_tsk = NULL; |
cf2b4488 HP |
1977 | } |
1978 | ||
1979 | /* Set up the bottom half handler */ | |
1980 | if (dhd_dpc_prio >= 0) { | |
1981 | /* Initialize DPC thread */ | |
1982 | sema_init(&dhd->dpc_sem, 0); | |
ecd7559d JC |
1983 | dhd->dpc_tsk = kthread_run(dhd_dpc_thread, dhd, "dhd_dpc"); |
1984 | if (IS_ERR(dhd->dpc_tsk)) { | |
1985 | printk(KERN_WARNING | |
1986 | "dhd_dpc thread failed to start\n"); | |
1987 | dhd->dpc_tsk = NULL; | |
1988 | } | |
cf2b4488 | 1989 | } else { |
3deea904 | 1990 | tasklet_init(&dhd->tasklet, dhd_dpc, (unsigned long) dhd); |
ecd7559d | 1991 | dhd->dpc_tsk = NULL; |
cf2b4488 HP |
1992 | } |
1993 | ||
1994 | if (dhd_sysioc) { | |
1995 | sema_init(&dhd->sysioc_sem, 0); | |
d809dcb9 JC |
1996 | dhd->sysioc_tsk = kthread_run(_dhd_sysioc_thread, dhd, |
1997 | "_dhd_sysioc"); | |
1998 | if (IS_ERR(dhd->sysioc_tsk)) { | |
1999 | printk(KERN_WARNING | |
2000 | "_dhd_sysioc thread failed to start\n"); | |
2001 | dhd->sysioc_tsk = NULL; | |
2002 | } | |
2003 | } else | |
2004 | dhd->sysioc_tsk = NULL; | |
cf2b4488 HP |
2005 | |
2006 | /* | |
2007 | * Save the dhd_info into the priv | |
2008 | */ | |
2009 | memcpy(netdev_priv(net), &dhd, sizeof(dhd)); | |
2010 | ||
2011 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2012 | g_bus = bus; | |
2013 | #endif | |
2014 | #if defined(CONFIG_PM_SLEEP) | |
e6e8f894 SS |
2015 | atomic_set(&dhd_mmc_suspend, false); |
2016 | if (!IS_CFG80211_FAVORITE()) | |
2017 | register_pm_notifier(&dhd_sleep_pm_notifier); | |
cf2b4488 HP |
2018 | #endif /* defined(CONFIG_PM_SLEEP) */ |
2019 | /* && defined(DHD_GPL) */ | |
2020 | /* Init lock suspend to prevent kernel going to suspend */ | |
cf2b4488 HP |
2021 | #ifdef CONFIG_HAS_EARLYSUSPEND |
2022 | dhd->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 20; | |
2023 | dhd->early_suspend.suspend = dhd_early_suspend; | |
2024 | dhd->early_suspend.resume = dhd_late_resume; | |
2025 | register_early_suspend(&dhd->early_suspend); | |
2026 | #endif | |
2027 | ||
2028 | return &dhd->pub; | |
2029 | ||
2030 | fail: | |
2031 | if (net) | |
2032 | free_netdev(net); | |
2033 | if (dhd) | |
2034 | dhd_detach(&dhd->pub); | |
2035 | ||
2036 | return NULL; | |
2037 | } | |
2038 | ||
2039 | int dhd_bus_start(dhd_pub_t *dhdp) | |
2040 | { | |
2041 | int ret = -1; | |
2042 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
2043 | #ifdef EMBEDDED_PLATFORM | |
2044 | char iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + | |
2045 | '\0' + bitvec */ | |
2046 | #endif /* EMBEDDED_PLATFORM */ | |
2047 | ||
2048 | ASSERT(dhd); | |
2049 | ||
2050 | DHD_TRACE(("%s:\n", __func__)); | |
2051 | ||
2052 | /* try to download image and nvram to the dongle */ | |
2053 | if (dhd->pub.busstate == DHD_BUS_DOWN) { | |
8da4a3a0 | 2054 | if (!(dhd_bus_download_firmware(dhd->pub.bus, |
cf2b4488 HP |
2055 | fw_path, nv_path))) { |
2056 | DHD_ERROR(("%s: dhdsdio_probe_download failed. " | |
2057 | "firmware = %s nvram = %s\n", | |
2058 | __func__, fw_path, nv_path)); | |
cf2b4488 HP |
2059 | return -1; |
2060 | } | |
cf2b4488 HP |
2061 | } |
2062 | ||
2063 | /* Start the watchdog timer */ | |
2064 | dhd->pub.tickcnt = 0; | |
2065 | dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms); | |
2066 | ||
2067 | /* Bring up the bus */ | |
0f0881b0 | 2068 | ret = dhd_bus_init(&dhd->pub, true); |
a618cc28 | 2069 | if (ret != 0) { |
cf2b4488 HP |
2070 | DHD_ERROR(("%s, dhd_bus_init failed %d\n", __func__, ret)); |
2071 | return ret; | |
2072 | } | |
2073 | #if defined(OOB_INTR_ONLY) | |
2074 | /* Host registration for OOB interrupt */ | |
2075 | if (bcmsdh_register_oob_intr(dhdp)) { | |
2076 | del_timer_sync(&dhd->timer); | |
0965ae88 | 2077 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2078 | DHD_ERROR(("%s Host failed to resgister for OOB\n", __func__)); |
2079 | return -ENODEV; | |
2080 | } | |
2081 | ||
2082 | /* Enable oob at firmware */ | |
0f0881b0 | 2083 | dhd_enable_oob_intr(dhd->pub.bus, true); |
cf2b4488 HP |
2084 | #endif /* defined(OOB_INTR_ONLY) */ |
2085 | ||
2086 | /* If bus is not ready, can't come up */ | |
2087 | if (dhd->pub.busstate != DHD_BUS_DATA) { | |
2088 | del_timer_sync(&dhd->timer); | |
0965ae88 | 2089 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2090 | DHD_ERROR(("%s failed bus is not ready\n", __func__)); |
2091 | return -ENODEV; | |
2092 | } | |
2093 | #ifdef EMBEDDED_PLATFORM | |
2094 | bcm_mkiovar("event_msgs", dhdp->eventmask, WL_EVENTING_MASK_LEN, iovbuf, | |
2095 | sizeof(iovbuf)); | |
2096 | dhdcdc_query_ioctl(dhdp, 0, WLC_GET_VAR, iovbuf, sizeof(iovbuf)); | |
02160695 | 2097 | memcpy(dhdp->eventmask, iovbuf, WL_EVENTING_MASK_LEN); |
cf2b4488 HP |
2098 | |
2099 | setbit(dhdp->eventmask, WLC_E_SET_SSID); | |
2100 | setbit(dhdp->eventmask, WLC_E_PRUNE); | |
2101 | setbit(dhdp->eventmask, WLC_E_AUTH); | |
2102 | setbit(dhdp->eventmask, WLC_E_REASSOC); | |
2103 | setbit(dhdp->eventmask, WLC_E_REASSOC_IND); | |
2104 | setbit(dhdp->eventmask, WLC_E_DEAUTH_IND); | |
2105 | setbit(dhdp->eventmask, WLC_E_DISASSOC_IND); | |
2106 | setbit(dhdp->eventmask, WLC_E_DISASSOC); | |
2107 | setbit(dhdp->eventmask, WLC_E_JOIN); | |
2108 | setbit(dhdp->eventmask, WLC_E_ASSOC_IND); | |
2109 | setbit(dhdp->eventmask, WLC_E_PSK_SUP); | |
2110 | setbit(dhdp->eventmask, WLC_E_LINK); | |
2111 | setbit(dhdp->eventmask, WLC_E_NDIS_LINK); | |
2112 | setbit(dhdp->eventmask, WLC_E_MIC_ERROR); | |
2113 | setbit(dhdp->eventmask, WLC_E_PMKID_CACHE); | |
2114 | setbit(dhdp->eventmask, WLC_E_TXFAIL); | |
2115 | setbit(dhdp->eventmask, WLC_E_JOIN_START); | |
2116 | setbit(dhdp->eventmask, WLC_E_SCAN_COMPLETE); | |
2117 | #ifdef PNO_SUPPORT | |
2118 | setbit(dhdp->eventmask, WLC_E_PFN_NET_FOUND); | |
2119 | #endif /* PNO_SUPPORT */ | |
2120 | ||
2121 | /* enable dongle roaming event */ | |
2122 | ||
2123 | dhdp->pktfilter_count = 1; | |
2124 | /* Setup filter to allow only unicast */ | |
2125 | dhdp->pktfilter[0] = "100 0 0 0 0x01 0x00"; | |
2126 | #endif /* EMBEDDED_PLATFORM */ | |
2127 | ||
2128 | /* Bus is ready, do any protocol initialization */ | |
a618cc28 JC |
2129 | ret = dhd_prot_init(&dhd->pub); |
2130 | if (ret < 0) | |
cf2b4488 HP |
2131 | return ret; |
2132 | ||
2133 | return 0; | |
2134 | } | |
2135 | ||
2136 | int | |
2137 | dhd_iovar(dhd_pub_t *pub, int ifidx, char *name, char *cmd_buf, uint cmd_len, | |
2138 | int set) | |
2139 | { | |
2140 | char buf[strlen(name) + 1 + cmd_len]; | |
2141 | int len = sizeof(buf); | |
2142 | wl_ioctl_t ioc; | |
2143 | int ret; | |
2144 | ||
2145 | len = bcm_mkiovar(name, cmd_buf, cmd_len, buf, len); | |
2146 | ||
2147 | memset(&ioc, 0, sizeof(ioc)); | |
2148 | ||
2149 | ioc.cmd = set ? WLC_SET_VAR : WLC_GET_VAR; | |
2150 | ioc.buf = buf; | |
2151 | ioc.len = len; | |
2152 | ioc.set = set; | |
2153 | ||
2154 | ret = dhd_prot_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len); | |
2155 | if (!set && ret >= 0) | |
2156 | memcpy(cmd_buf, buf, cmd_len); | |
2157 | ||
2158 | return ret; | |
2159 | } | |
2160 | ||
2161 | static struct net_device_ops dhd_ops_pri = { | |
2162 | .ndo_open = dhd_open, | |
2163 | .ndo_stop = dhd_stop, | |
2164 | .ndo_get_stats = dhd_get_stats, | |
2165 | .ndo_do_ioctl = dhd_ioctl_entry, | |
2166 | .ndo_start_xmit = dhd_start_xmit, | |
2167 | .ndo_set_mac_address = dhd_set_mac_address, | |
2168 | .ndo_set_multicast_list = dhd_set_multicast_list | |
2169 | }; | |
2170 | ||
cf2b4488 HP |
2171 | int dhd_net_attach(dhd_pub_t *dhdp, int ifidx) |
2172 | { | |
2173 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
2174 | struct net_device *net; | |
b8d63078 | 2175 | u8 temp_addr[ETH_ALEN] = { |
cf2b4488 HP |
2176 | 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33}; |
2177 | ||
2178 | DHD_TRACE(("%s: ifidx %d\n", __func__, ifidx)); | |
2179 | ||
2180 | ASSERT(dhd && dhd->iflist[ifidx]); | |
2181 | ||
2182 | net = dhd->iflist[ifidx]->net; | |
2183 | ASSERT(net); | |
2184 | ||
2185 | ASSERT(!net->netdev_ops); | |
cf2b4488 HP |
2186 | net->netdev_ops = &dhd_ops_pri; |
2187 | ||
2188 | /* | |
2189 | * We have to use the primary MAC for virtual interfaces | |
2190 | */ | |
2191 | if (ifidx != 0) { | |
2192 | /* for virtual interfaces use the primary MAC */ | |
a44d4236 | 2193 | memcpy(temp_addr, dhd->pub.mac, ETH_ALEN); |
cf2b4488 HP |
2194 | |
2195 | } | |
2196 | ||
2197 | if (ifidx == 1) { | |
2198 | DHD_TRACE(("%s ACCESS POINT MAC: \n", __func__)); | |
2199 | /* ACCESSPOINT INTERFACE CASE */ | |
2200 | temp_addr[0] |= 0X02; /* set bit 2 , | |
2201 | - Locally Administered address */ | |
2202 | ||
2203 | } | |
2204 | net->hard_header_len = ETH_HLEN + dhd->pub.hdrlen; | |
2205 | net->ethtool_ops = &dhd_ethtool_ops; | |
2206 | ||
cf2b4488 HP |
2207 | dhd->pub.rxsz = net->mtu + net->hard_header_len + dhd->pub.hdrlen; |
2208 | ||
b8d63078 | 2209 | memcpy(net->dev_addr, temp_addr, ETH_ALEN); |
cf2b4488 HP |
2210 | |
2211 | if (register_netdev(net) != 0) { | |
2212 | DHD_ERROR(("%s: couldn't register the net device\n", | |
2213 | __func__)); | |
2214 | goto fail; | |
2215 | } | |
2216 | ||
0bef7748 | 2217 | DHD_INFO(("%s: Broadcom Dongle Host Driver\n", net->name)); |
cf2b4488 HP |
2218 | |
2219 | return 0; | |
2220 | ||
2221 | fail: | |
2222 | net->netdev_ops = NULL; | |
b74ac12e | 2223 | return -EBADE; |
cf2b4488 HP |
2224 | } |
2225 | ||
2226 | void dhd_bus_detach(dhd_pub_t *dhdp) | |
2227 | { | |
2228 | dhd_info_t *dhd; | |
2229 | ||
2230 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2231 | ||
2232 | if (dhdp) { | |
2233 | dhd = (dhd_info_t *) dhdp->info; | |
2234 | if (dhd) { | |
2235 | /* Stop the protocol module */ | |
2236 | dhd_prot_stop(&dhd->pub); | |
2237 | ||
2238 | /* Stop the bus module */ | |
0f0881b0 | 2239 | dhd_bus_stop(dhd->pub.bus, true); |
cf2b4488 HP |
2240 | #if defined(OOB_INTR_ONLY) |
2241 | bcmsdh_unregister_oob_intr(); | |
2242 | #endif /* defined(OOB_INTR_ONLY) */ | |
2243 | ||
2244 | /* Clear the watchdog timer */ | |
2245 | del_timer_sync(&dhd->timer); | |
0965ae88 | 2246 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2247 | } |
2248 | } | |
2249 | } | |
2250 | ||
2251 | void dhd_detach(dhd_pub_t *dhdp) | |
2252 | { | |
2253 | dhd_info_t *dhd; | |
2254 | ||
2255 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2256 | ||
2257 | if (dhdp) { | |
2258 | dhd = (dhd_info_t *) dhdp->info; | |
2259 | if (dhd) { | |
2260 | dhd_if_t *ifp; | |
2261 | int i; | |
2262 | ||
2263 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
2264 | if (dhd->early_suspend.suspend) | |
2265 | unregister_early_suspend(&dhd->early_suspend); | |
2266 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
2267 | ||
2268 | for (i = 1; i < DHD_MAX_IFS; i++) | |
2269 | if (dhd->iflist[i]) | |
2270 | dhd_del_if(dhd, i); | |
2271 | ||
2272 | ifp = dhd->iflist[0]; | |
2273 | ASSERT(ifp); | |
2274 | if (ifp->net->netdev_ops == &dhd_ops_pri) { | |
2275 | dhd_stop(ifp->net); | |
2276 | unregister_netdev(ifp->net); | |
2277 | } | |
2278 | ||
860708d9 | 2279 | if (dhd->watchdog_tsk) { |
7356f429 | 2280 | send_sig(SIGTERM, dhd->watchdog_tsk, 1); |
860708d9 JC |
2281 | kthread_stop(dhd->watchdog_tsk); |
2282 | dhd->watchdog_tsk = NULL; | |
cf2b4488 HP |
2283 | } |
2284 | ||
ecd7559d | 2285 | if (dhd->dpc_tsk) { |
7356f429 | 2286 | send_sig(SIGTERM, dhd->dpc_tsk, 1); |
ecd7559d JC |
2287 | kthread_stop(dhd->dpc_tsk); |
2288 | dhd->dpc_tsk = NULL; | |
eeb8e46b | 2289 | } else |
cf2b4488 HP |
2290 | tasklet_kill(&dhd->tasklet); |
2291 | ||
d809dcb9 | 2292 | if (dhd->sysioc_tsk) { |
7356f429 | 2293 | send_sig(SIGTERM, dhd->sysioc_tsk, 1); |
d809dcb9 JC |
2294 | kthread_stop(dhd->sysioc_tsk); |
2295 | dhd->sysioc_tsk = NULL; | |
cf2b4488 HP |
2296 | } |
2297 | ||
2298 | dhd_bus_detach(dhdp); | |
2299 | ||
2300 | if (dhdp->prot) | |
2301 | dhd_prot_detach(dhdp); | |
2302 | ||
2303 | #if defined(CONFIG_WIRELESS_EXT) | |
2304 | wl_iw_detach(); | |
2305 | #endif /* (CONFIG_WIRELESS_EXT) */ | |
2306 | ||
cf2b4488 HP |
2307 | if (IS_CFG80211_FAVORITE()) |
2308 | wl_cfg80211_detach(); | |
cf2b4488 HP |
2309 | |
2310 | #if defined(CONFIG_PM_SLEEP) | |
e6e8f894 SS |
2311 | if (!IS_CFG80211_FAVORITE()) |
2312 | unregister_pm_notifier(&dhd_sleep_pm_notifier); | |
cf2b4488 HP |
2313 | #endif /* defined(CONFIG_PM_SLEEP) */ |
2314 | /* && defined(DHD_GPL) */ | |
cf2b4488 | 2315 | free_netdev(ifp->net); |
182acb3c | 2316 | kfree(ifp); |
2317 | kfree(dhd); | |
cf2b4488 HP |
2318 | } |
2319 | } | |
2320 | } | |
2321 | ||
2322 | static void __exit dhd_module_cleanup(void) | |
2323 | { | |
2324 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2325 | ||
2326 | dhd_bus_unregister(); | |
2327 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2328 | wifi_del_dev(); | |
2329 | #endif | |
2330 | /* Call customer gpio to turn off power with WL_REG_ON signal */ | |
2331 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF); | |
2332 | } | |
2333 | ||
2334 | static int __init dhd_module_init(void) | |
2335 | { | |
2336 | int error; | |
2337 | ||
2338 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2339 | ||
2340 | /* Sanity check on the module parameters */ | |
2341 | do { | |
2342 | /* Both watchdog and DPC as tasklets are ok */ | |
2343 | if ((dhd_watchdog_prio < 0) && (dhd_dpc_prio < 0)) | |
2344 | break; | |
2345 | ||
2346 | /* If both watchdog and DPC are threads, TX must be deferred */ | |
2347 | if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0) | |
2348 | && dhd_deferred_tx) | |
2349 | break; | |
2350 | ||
2351 | DHD_ERROR(("Invalid module parameters.\n")); | |
2352 | return -EINVAL; | |
2353 | } while (0); | |
2354 | /* Call customer gpio to turn on power with WL_REG_ON signal */ | |
2355 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_ON); | |
2356 | ||
2357 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2358 | sema_init(&wifi_control_sem, 0); | |
2359 | ||
2360 | error = wifi_add_dev(); | |
2361 | if (error) { | |
2362 | DHD_ERROR(("%s: platform_driver_register failed\n", __func__)); | |
f0c0dda0 | 2363 | goto failed; |
cf2b4488 HP |
2364 | } |
2365 | ||
2366 | /* Waiting callback after platform_driver_register is done or | |
2367 | exit with error */ | |
2368 | if (down_timeout(&wifi_control_sem, msecs_to_jiffies(1000)) != 0) { | |
2369 | printk(KERN_ERR "%s: platform_driver_register timeout\n", | |
2370 | __func__); | |
2371 | /* remove device */ | |
2372 | wifi_del_dev(); | |
f0c0dda0 | 2373 | goto failed; |
cf2b4488 HP |
2374 | } |
2375 | #endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ | |
2376 | ||
2377 | error = dhd_bus_register(); | |
2378 | ||
49ba9d2d | 2379 | if (error) { |
cf2b4488 | 2380 | DHD_ERROR(("%s: sdio_register_driver failed\n", __func__)); |
f0c0dda0 | 2381 | goto failed; |
cf2b4488 HP |
2382 | } |
2383 | return error; | |
2384 | ||
f0c0dda0 | 2385 | failed: |
cf2b4488 HP |
2386 | /* turn off power and exit */ |
2387 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF); | |
2388 | return -EINVAL; | |
2389 | } | |
2390 | ||
2391 | module_init(dhd_module_init); | |
2392 | module_exit(dhd_module_cleanup); | |
2393 | ||
2394 | /* | |
2395 | * OS specific functions required to implement DHD driver in OS independent way | |
2396 | */ | |
2397 | int dhd_os_proto_block(dhd_pub_t *pub) | |
2398 | { | |
2399 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2400 | ||
2401 | if (dhd) { | |
2402 | down(&dhd->proto_sem); | |
2403 | return 1; | |
2404 | } | |
2405 | return 0; | |
2406 | } | |
2407 | ||
2408 | int dhd_os_proto_unblock(dhd_pub_t *pub) | |
2409 | { | |
2410 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2411 | ||
2412 | if (dhd) { | |
2413 | up(&dhd->proto_sem); | |
2414 | return 1; | |
2415 | } | |
2416 | ||
2417 | return 0; | |
2418 | } | |
2419 | ||
2420 | unsigned int dhd_os_get_ioctl_resp_timeout(void) | |
2421 | { | |
2422 | return (unsigned int)dhd_ioctl_timeout_msec; | |
2423 | } | |
2424 | ||
2425 | void dhd_os_set_ioctl_resp_timeout(unsigned int timeout_msec) | |
2426 | { | |
2427 | dhd_ioctl_timeout_msec = (int)timeout_msec; | |
2428 | } | |
2429 | ||
2430 | int dhd_os_ioctl_resp_wait(dhd_pub_t *pub, uint *condition, bool *pending) | |
2431 | { | |
2432 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2433 | DECLARE_WAITQUEUE(wait, current); | |
2434 | int timeout = dhd_ioctl_timeout_msec; | |
2435 | ||
2436 | /* Convert timeout in millsecond to jiffies */ | |
2437 | timeout = timeout * HZ / 1000; | |
2438 | ||
2439 | /* Wait until control frame is available */ | |
2440 | add_wait_queue(&dhd->ioctl_resp_wait, &wait); | |
2441 | set_current_state(TASK_INTERRUPTIBLE); | |
2442 | ||
2443 | while (!(*condition) && (!signal_pending(current) && timeout)) | |
2444 | timeout = schedule_timeout(timeout); | |
2445 | ||
2446 | if (signal_pending(current)) | |
0f0881b0 | 2447 | *pending = true; |
cf2b4488 HP |
2448 | |
2449 | set_current_state(TASK_RUNNING); | |
2450 | remove_wait_queue(&dhd->ioctl_resp_wait, &wait); | |
2451 | ||
2452 | return timeout; | |
2453 | } | |
2454 | ||
2455 | int dhd_os_ioctl_resp_wake(dhd_pub_t *pub) | |
2456 | { | |
2457 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2458 | ||
2459 | if (waitqueue_active(&dhd->ioctl_resp_wait)) | |
2460 | wake_up_interruptible(&dhd->ioctl_resp_wait); | |
2461 | ||
2462 | return 0; | |
2463 | } | |
2464 | ||
2465 | void dhd_os_wd_timer(void *bus, uint wdtick) | |
2466 | { | |
2467 | dhd_pub_t *pub = bus; | |
5f782dee | 2468 | static uint save_dhd_watchdog_ms; |
cf2b4488 HP |
2469 | dhd_info_t *dhd = (dhd_info_t *) pub->info; |
2470 | ||
2471 | /* don't start the wd until fw is loaded */ | |
2472 | if (pub->busstate == DHD_BUS_DOWN) | |
2473 | return; | |
2474 | ||
2475 | /* Totally stop the timer */ | |
0f0881b0 | 2476 | if (!wdtick && dhd->wd_timer_valid == true) { |
cf2b4488 | 2477 | del_timer_sync(&dhd->timer); |
0965ae88 | 2478 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2479 | save_dhd_watchdog_ms = wdtick; |
2480 | return; | |
2481 | } | |
2482 | ||
2483 | if (wdtick) { | |
2484 | dhd_watchdog_ms = (uint) wdtick; | |
2485 | ||
2486 | if (save_dhd_watchdog_ms != dhd_watchdog_ms) { | |
2487 | ||
0f0881b0 | 2488 | if (dhd->wd_timer_valid == true) |
cf2b4488 HP |
2489 | /* Stop timer and restart at new value */ |
2490 | del_timer_sync(&dhd->timer); | |
2491 | ||
2492 | /* Create timer again when watchdog period is | |
2493 | dynamically changed or in the first instance | |
2494 | */ | |
2495 | dhd->timer.expires = | |
2496 | jiffies + dhd_watchdog_ms * HZ / 1000; | |
2497 | add_timer(&dhd->timer); | |
2498 | ||
2499 | } else { | |
2500 | /* Re arm the timer, at last watchdog period */ | |
2501 | mod_timer(&dhd->timer, | |
2502 | jiffies + dhd_watchdog_ms * HZ / 1000); | |
2503 | } | |
2504 | ||
0f0881b0 | 2505 | dhd->wd_timer_valid = true; |
cf2b4488 HP |
2506 | save_dhd_watchdog_ms = wdtick; |
2507 | } | |
2508 | } | |
2509 | ||
2510 | void *dhd_os_open_image(char *filename) | |
2511 | { | |
2512 | struct file *fp; | |
2513 | ||
cf2b4488 HP |
2514 | if (IS_CFG80211_FAVORITE() && !NO_FW_REQ()) |
2515 | return wl_cfg80211_request_fw(filename); | |
cf2b4488 HP |
2516 | |
2517 | fp = filp_open(filename, O_RDONLY, 0); | |
2518 | /* | |
2519 | * 2.6.11 (FC4) supports filp_open() but later revs don't? | |
2520 | * Alternative: | |
2521 | * fp = open_namei(AT_FDCWD, filename, O_RD, 0); | |
2522 | * ??? | |
2523 | */ | |
2524 | if (IS_ERR(fp)) | |
2525 | fp = NULL; | |
2526 | ||
2527 | return fp; | |
2528 | } | |
2529 | ||
2530 | int dhd_os_get_image_block(char *buf, int len, void *image) | |
2531 | { | |
2532 | struct file *fp = (struct file *)image; | |
2533 | int rdlen; | |
2534 | ||
cf2b4488 HP |
2535 | if (IS_CFG80211_FAVORITE() && !NO_FW_REQ()) |
2536 | return wl_cfg80211_read_fw(buf, len); | |
cf2b4488 HP |
2537 | |
2538 | if (!image) | |
2539 | return 0; | |
2540 | ||
2541 | rdlen = kernel_read(fp, fp->f_pos, buf, len); | |
2542 | if (rdlen > 0) | |
2543 | fp->f_pos += rdlen; | |
2544 | ||
2545 | return rdlen; | |
2546 | } | |
2547 | ||
2548 | void dhd_os_close_image(void *image) | |
2549 | { | |
cf2b4488 HP |
2550 | if (IS_CFG80211_FAVORITE() && !NO_FW_REQ()) |
2551 | return wl_cfg80211_release_fw(); | |
cf2b4488 HP |
2552 | if (image) |
2553 | filp_close((struct file *)image, NULL); | |
2554 | } | |
2555 | ||
2556 | void dhd_os_sdlock(dhd_pub_t *pub) | |
2557 | { | |
2558 | dhd_info_t *dhd; | |
2559 | ||
2560 | dhd = (dhd_info_t *) (pub->info); | |
2561 | ||
2562 | if (dhd->threads_only) | |
2563 | down(&dhd->sdsem); | |
2564 | else | |
2565 | spin_lock_bh(&dhd->sdlock); | |
2566 | } | |
2567 | ||
2568 | void dhd_os_sdunlock(dhd_pub_t *pub) | |
2569 | { | |
2570 | dhd_info_t *dhd; | |
2571 | ||
2572 | dhd = (dhd_info_t *) (pub->info); | |
2573 | ||
2574 | if (dhd->threads_only) | |
2575 | up(&dhd->sdsem); | |
2576 | else | |
2577 | spin_unlock_bh(&dhd->sdlock); | |
2578 | } | |
2579 | ||
2580 | void dhd_os_sdlock_txq(dhd_pub_t *pub) | |
2581 | { | |
2582 | dhd_info_t *dhd; | |
2583 | ||
2584 | dhd = (dhd_info_t *) (pub->info); | |
2585 | spin_lock_bh(&dhd->txqlock); | |
2586 | } | |
2587 | ||
2588 | void dhd_os_sdunlock_txq(dhd_pub_t *pub) | |
2589 | { | |
2590 | dhd_info_t *dhd; | |
2591 | ||
2592 | dhd = (dhd_info_t *) (pub->info); | |
2593 | spin_unlock_bh(&dhd->txqlock); | |
2594 | } | |
2595 | ||
2596 | void dhd_os_sdlock_rxq(dhd_pub_t *pub) | |
2597 | { | |
2598 | } | |
2599 | ||
2600 | void dhd_os_sdunlock_rxq(dhd_pub_t *pub) | |
2601 | { | |
2602 | } | |
2603 | ||
2604 | void dhd_os_sdtxlock(dhd_pub_t *pub) | |
2605 | { | |
2606 | dhd_os_sdlock(pub); | |
2607 | } | |
2608 | ||
2609 | void dhd_os_sdtxunlock(dhd_pub_t *pub) | |
2610 | { | |
2611 | dhd_os_sdunlock(pub); | |
2612 | } | |
2613 | ||
cf2b4488 HP |
2614 | static int |
2615 | dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, | |
2616 | wl_event_msg_t *event, void **data) | |
2617 | { | |
2618 | int bcmerror = 0; | |
2619 | ||
2620 | ASSERT(dhd != NULL); | |
2621 | ||
2622 | bcmerror = wl_host_event(dhd, ifidx, pktdata, event, data); | |
a1c5ad81 | 2623 | if (bcmerror != 0) |
cf2b4488 HP |
2624 | return bcmerror; |
2625 | ||
2626 | #if defined(CONFIG_WIRELESS_EXT) | |
cf2b4488 | 2627 | if (!IS_CFG80211_FAVORITE()) { |
cf2b4488 HP |
2628 | if ((dhd->iflist[*ifidx] == NULL) |
2629 | || (dhd->iflist[*ifidx]->net == NULL)) { | |
2630 | DHD_ERROR(("%s Exit null pointer\n", __func__)); | |
2631 | return bcmerror; | |
2632 | } | |
2633 | ||
2634 | if (dhd->iflist[*ifidx]->net) | |
2635 | wl_iw_event(dhd->iflist[*ifidx]->net, event, *data); | |
cf2b4488 | 2636 | } |
cf2b4488 HP |
2637 | #endif /* defined(CONFIG_WIRELESS_EXT) */ |
2638 | ||
cf2b4488 HP |
2639 | if (IS_CFG80211_FAVORITE()) { |
2640 | ASSERT(dhd->iflist[*ifidx] != NULL); | |
2641 | ASSERT(dhd->iflist[*ifidx]->net != NULL); | |
2642 | if (dhd->iflist[*ifidx]->net) | |
2643 | wl_cfg80211_event(dhd->iflist[*ifidx]->net, event, | |
2644 | *data); | |
2645 | } | |
cf2b4488 HP |
2646 | |
2647 | return bcmerror; | |
2648 | } | |
2649 | ||
2650 | /* send up locally generated event */ | |
2651 | void dhd_sendup_event(dhd_pub_t *dhdp, wl_event_msg_t *event, void *data) | |
2652 | { | |
628f10ba | 2653 | switch (be32_to_cpu(event->event_type)) { |
cf2b4488 HP |
2654 | default: |
2655 | break; | |
2656 | } | |
2657 | } | |
2658 | ||
2659 | void dhd_wait_for_event(dhd_pub_t *dhd, bool *lockvar) | |
2660 | { | |
2661 | struct dhd_info *dhdinfo = dhd->info; | |
2662 | dhd_os_sdunlock(dhd); | |
2663 | wait_event_interruptible_timeout(dhdinfo->ctrl_wait, | |
0965ae88 | 2664 | (*lockvar == false), HZ * 2); |
cf2b4488 HP |
2665 | dhd_os_sdlock(dhd); |
2666 | return; | |
2667 | } | |
2668 | ||
2669 | void dhd_wait_event_wakeup(dhd_pub_t *dhd) | |
2670 | { | |
2671 | struct dhd_info *dhdinfo = dhd->info; | |
2672 | if (waitqueue_active(&dhdinfo->ctrl_wait)) | |
2673 | wake_up_interruptible(&dhdinfo->ctrl_wait); | |
2674 | return; | |
2675 | } | |
2676 | ||
3fd79f7c | 2677 | int dhd_dev_reset(struct net_device *dev, u8 flag) |
cf2b4488 HP |
2678 | { |
2679 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2680 | ||
2681 | /* Turning off watchdog */ | |
2682 | if (flag) | |
2683 | dhd_os_wd_timer(&dhd->pub, 0); | |
2684 | ||
2685 | dhd_bus_devreset(&dhd->pub, flag); | |
2686 | ||
2687 | /* Turning on watchdog back */ | |
2688 | if (!flag) | |
2689 | dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms); | |
2690 | DHD_ERROR(("%s: WLAN OFF DONE\n", __func__)); | |
2691 | ||
2692 | return 1; | |
2693 | } | |
2694 | ||
2695 | int net_os_set_suspend_disable(struct net_device *dev, int val) | |
2696 | { | |
2697 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2698 | int ret = 0; | |
2699 | ||
2700 | if (dhd) { | |
2701 | ret = dhd->pub.suspend_disable_flag; | |
2702 | dhd->pub.suspend_disable_flag = val; | |
2703 | } | |
2704 | return ret; | |
2705 | } | |
2706 | ||
2707 | int net_os_set_suspend(struct net_device *dev, int val) | |
2708 | { | |
2709 | int ret = 0; | |
2710 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
2711 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2712 | ||
2713 | if (dhd) { | |
2714 | dhd_os_proto_block(&dhd->pub); | |
2715 | ret = dhd_set_suspend(val, &dhd->pub); | |
2716 | dhd_os_proto_unblock(&dhd->pub); | |
2717 | } | |
2718 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
2719 | return ret; | |
2720 | } | |
2721 | ||
2722 | int net_os_set_dtim_skip(struct net_device *dev, int val) | |
2723 | { | |
2724 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
2725 | ||
2726 | if (dhd) | |
2727 | dhd->pub.dtim_skip = val; | |
2728 | ||
2729 | return 0; | |
2730 | } | |
2731 | ||
2732 | int net_os_set_packet_filter(struct net_device *dev, int val) | |
2733 | { | |
2734 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
2735 | int ret = 0; | |
2736 | ||
2737 | /* Packet filtering is set only if we still in early-suspend and | |
2738 | * we need either to turn it ON or turn it OFF | |
2739 | * We can always turn it OFF in case of early-suspend, but we turn it | |
2740 | * back ON only if suspend_disable_flag was not set | |
2741 | */ | |
2742 | if (dhd && dhd->pub.up) { | |
2743 | dhd_os_proto_block(&dhd->pub); | |
2744 | if (dhd->pub.in_suspend) { | |
2745 | if (!val || (val && !dhd->pub.suspend_disable_flag)) | |
2746 | dhd_set_packet_filter(val, &dhd->pub); | |
2747 | } | |
2748 | dhd_os_proto_unblock(&dhd->pub); | |
2749 | } | |
2750 | return ret; | |
2751 | } | |
2752 | ||
2753 | void dhd_dev_init_ioctl(struct net_device *dev) | |
2754 | { | |
2755 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2756 | ||
2757 | dhd_preinit_ioctls(&dhd->pub); | |
2758 | } | |
2759 | ||
2760 | #ifdef PNO_SUPPORT | |
2761 | /* Linux wrapper to call common dhd_pno_clean */ | |
2762 | int dhd_dev_pno_reset(struct net_device *dev) | |
2763 | { | |
2764 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2765 | ||
2766 | return dhd_pno_clean(&dhd->pub); | |
2767 | } | |
2768 | ||
2769 | /* Linux wrapper to call common dhd_pno_enable */ | |
2770 | int dhd_dev_pno_enable(struct net_device *dev, int pfn_enabled) | |
2771 | { | |
2772 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2773 | ||
2774 | return dhd_pno_enable(&dhd->pub, pfn_enabled); | |
2775 | } | |
2776 | ||
2777 | /* Linux wrapper to call common dhd_pno_set */ | |
2778 | int | |
2779 | dhd_dev_pno_set(struct net_device *dev, wlc_ssid_t *ssids_local, int nssid, | |
580a0bd9 | 2780 | unsigned char scan_fr) |
cf2b4488 HP |
2781 | { |
2782 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2783 | ||
2784 | return dhd_pno_set(&dhd->pub, ssids_local, nssid, scan_fr); | |
2785 | } | |
2786 | ||
2787 | /* Linux wrapper to get pno status */ | |
2788 | int dhd_dev_get_pno_status(struct net_device *dev) | |
2789 | { | |
2790 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2791 | ||
2792 | return dhd_pno_get_status(&dhd->pub); | |
2793 | } | |
2794 | ||
2795 | #endif /* PNO_SUPPORT */ | |
2796 | ||
2797 | static int dhd_get_pend_8021x_cnt(dhd_info_t *dhd) | |
2798 | { | |
2799 | return atomic_read(&dhd->pend_8021x_cnt); | |
2800 | } | |
2801 | ||
2802 | #define MAX_WAIT_FOR_8021X_TX 10 | |
2803 | ||
2804 | int dhd_wait_pend8021x(struct net_device *dev) | |
2805 | { | |
2806 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2807 | int timeout = 10 * HZ / 1000; | |
2808 | int ntimes = MAX_WAIT_FOR_8021X_TX; | |
2809 | int pend = dhd_get_pend_8021x_cnt(dhd); | |
2810 | ||
2811 | while (ntimes && pend) { | |
2812 | if (pend) { | |
2813 | set_current_state(TASK_INTERRUPTIBLE); | |
2814 | schedule_timeout(timeout); | |
2815 | set_current_state(TASK_RUNNING); | |
2816 | ntimes--; | |
2817 | } | |
2818 | pend = dhd_get_pend_8021x_cnt(dhd); | |
2819 | } | |
2820 | return pend; | |
2821 | } | |
2822 | ||
e6e8f894 SS |
2823 | void wl_os_wd_timer(struct net_device *ndev, uint wdtick) |
2824 | { | |
2825 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(ndev); | |
2826 | ||
2827 | dhd_os_wd_timer(&dhd->pub, wdtick); | |
2828 | } | |
2829 | ||
cf2b4488 | 2830 | #ifdef DHD_DEBUG |
3fd79f7c | 2831 | int write_to_file(dhd_pub_t *dhd, u8 *buf, int size) |
cf2b4488 HP |
2832 | { |
2833 | int ret = 0; | |
2834 | struct file *fp; | |
2835 | mm_segment_t old_fs; | |
2836 | loff_t pos = 0; | |
2837 | ||
2838 | /* change to KERNEL_DS address limit */ | |
2839 | old_fs = get_fs(); | |
2840 | set_fs(KERNEL_DS); | |
2841 | ||
2842 | /* open file to write */ | |
2843 | fp = filp_open("/tmp/mem_dump", O_WRONLY | O_CREAT, 0640); | |
2844 | if (!fp) { | |
0bef7748 | 2845 | DHD_ERROR(("%s: open file error\n", __func__)); |
cf2b4488 HP |
2846 | ret = -1; |
2847 | goto exit; | |
2848 | } | |
2849 | ||
2850 | /* Write buf to file */ | |
2851 | fp->f_op->write(fp, buf, size, &pos); | |
2852 | ||
2853 | exit: | |
2854 | /* free buf before return */ | |
182acb3c | 2855 | kfree(buf); |
cf2b4488 HP |
2856 | /* close file before return */ |
2857 | if (fp) | |
2858 | filp_close(fp, current->files); | |
2859 | /* restore previous address limit */ | |
2860 | set_fs(old_fs); | |
2861 | ||
2862 | return ret; | |
2863 | } | |
2864 | #endif /* DHD_DEBUG */ |