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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> |
a1c16ed2 | 34 | #include <bcmdefs.h> |
a1c16ed2 | 35 | #include <osl.h> |
cf2b4488 HP |
36 | #include <bcmutils.h> |
37 | #include <bcmendian.h> | |
38 | ||
39 | #include <proto/ethernet.h> | |
40 | #include <dngl_stats.h> | |
41 | #include <dhd.h> | |
42 | #include <dhd_bus.h> | |
43 | #include <dhd_proto.h> | |
44 | #include <dhd_dbg.h> | |
45 | ||
cf2b4488 | 46 | #include <wl_cfg80211.h> |
cf2b4488 HP |
47 | |
48 | #define EPI_VERSION_STR "4.218.248.5" | |
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 = { | |
152 | .name = "bcm4329_wlan", | |
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> | |
0965ae88 | 171 | volatile bool dhd_mmc_suspend = false; |
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 */ | |
3fd79f7c | 213 | u8 mac_addr[ETHER_ADDR_LEN]; /* 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; | |
250 | struct ether_addr macvalue; | |
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 */ | |
330 | char iface_name[IFNAMSIZ]; | |
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 | ||
390 | static char dhd_version[] = "Dongle Host Driver, version " EPI_VERSION_STR | |
391 | #ifdef DHD_DEBUG | |
392 | "\nCompiled in " " on " __DATE__ " at " __TIME__ | |
393 | #endif | |
394 | ; | |
395 | ||
396 | #if defined(CONFIG_WIRELESS_EXT) | |
397 | struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev); | |
398 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
399 | ||
3deea904 | 400 | static void dhd_dpc(unsigned long data); |
cf2b4488 HP |
401 | /* forward decl */ |
402 | extern int dhd_wait_pend8021x(struct net_device *dev); | |
403 | ||
404 | #ifdef TOE | |
405 | #ifndef BDC | |
406 | #error TOE requires BDC | |
407 | #endif /* !BDC */ | |
66cbd3ab GKH |
408 | static int dhd_toe_get(dhd_info_t *dhd, int idx, u32 *toe_ol); |
409 | static int dhd_toe_set(dhd_info_t *dhd, int idx, u32 toe_ol); | |
cf2b4488 HP |
410 | #endif /* TOE */ |
411 | ||
412 | static int dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, | |
413 | wl_event_msg_t *event_ptr, void **data_ptr); | |
414 | ||
415 | #if defined(CONFIG_PM_SLEEP) | |
416 | static int dhd_sleep_pm_callback(struct notifier_block *nfb, | |
417 | unsigned long action, void *ignored) | |
418 | { | |
419 | switch (action) { | |
420 | case PM_HIBERNATION_PREPARE: | |
421 | case PM_SUSPEND_PREPARE: | |
0f0881b0 | 422 | dhd_mmc_suspend = true; |
cf2b4488 HP |
423 | return NOTIFY_OK; |
424 | case PM_POST_HIBERNATION: | |
425 | case PM_POST_SUSPEND: | |
0965ae88 | 426 | dhd_mmc_suspend = false; |
cf2b4488 HP |
427 | return NOTIFY_OK; |
428 | } | |
429 | return 0; | |
430 | } | |
431 | ||
432 | static struct notifier_block dhd_sleep_pm_notifier = { | |
433 | .notifier_call = dhd_sleep_pm_callback, | |
434 | .priority = 0 | |
435 | }; | |
436 | ||
437 | extern int register_pm_notifier(struct notifier_block *nb); | |
438 | extern int unregister_pm_notifier(struct notifier_block *nb); | |
439 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
440 | /* && defined(DHD_GPL) */ | |
441 | static void dhd_set_packet_filter(int value, dhd_pub_t *dhd) | |
442 | { | |
443 | #ifdef PKT_FILTER_SUPPORT | |
444 | DHD_TRACE(("%s: %d\n", __func__, value)); | |
445 | /* 1 - Enable packet filter, only allow unicast packet to send up */ | |
446 | /* 0 - Disable packet filter */ | |
447 | if (dhd_pkt_filter_enable) { | |
448 | int i; | |
449 | ||
450 | for (i = 0; i < dhd->pktfilter_count; i++) { | |
451 | dhd_pktfilter_offload_set(dhd, dhd->pktfilter[i]); | |
452 | dhd_pktfilter_offload_enable(dhd, dhd->pktfilter[i], | |
453 | value, dhd_master_mode); | |
454 | } | |
455 | } | |
456 | #endif | |
457 | } | |
458 | ||
459 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
460 | static int dhd_set_suspend(int value, dhd_pub_t *dhd) | |
461 | { | |
462 | int power_mode = PM_MAX; | |
463 | /* wl_pkt_filter_enable_t enable_parm; */ | |
464 | char iovbuf[32]; | |
465 | int bcn_li_dtim = 3; | |
466 | #ifdef CUSTOMER_HW2 | |
467 | uint roamvar = 1; | |
468 | #endif /* CUSTOMER_HW2 */ | |
469 | ||
470 | DHD_TRACE(("%s: enter, value = %d in_suspend=%d\n", | |
471 | __func__, value, dhd->in_suspend)); | |
472 | ||
473 | if (dhd && dhd->up) { | |
474 | if (value && dhd->in_suspend) { | |
475 | ||
476 | /* Kernel suspended */ | |
477 | DHD_TRACE(("%s: force extra Suspend setting\n", | |
478 | __func__)); | |
479 | ||
480 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, | |
481 | (char *)&power_mode, | |
482 | sizeof(power_mode)); | |
483 | ||
484 | /* Enable packet filter, only allow unicast | |
485 | packet to send up */ | |
486 | dhd_set_packet_filter(1, dhd); | |
487 | ||
488 | /* if dtim skip setup as default force it | |
489 | * to wake each thrid dtim | |
490 | * for better power saving. | |
491 | * Note that side effect is chance to miss BC/MC | |
492 | * packet | |
493 | */ | |
494 | if ((dhd->dtim_skip == 0) || (dhd->dtim_skip == 1)) | |
495 | bcn_li_dtim = 3; | |
496 | else | |
497 | bcn_li_dtim = dhd->dtim_skip; | |
498 | bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim, | |
499 | 4, iovbuf, sizeof(iovbuf)); | |
500 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
501 | sizeof(iovbuf)); | |
502 | #ifdef CUSTOMER_HW2 | |
503 | /* Disable build-in roaming to allowed \ | |
504 | * supplicant to take of romaing | |
505 | */ | |
506 | bcm_mkiovar("roam_off", (char *)&roamvar, 4, | |
507 | iovbuf, sizeof(iovbuf)); | |
508 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
509 | sizeof(iovbuf)); | |
510 | #endif /* CUSTOMER_HW2 */ | |
511 | } else { | |
512 | ||
513 | /* Kernel resumed */ | |
514 | DHD_TRACE(("%s: Remove extra suspend setting\n", | |
515 | __func__)); | |
516 | ||
517 | power_mode = PM_FAST; | |
518 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, | |
519 | (char *)&power_mode, | |
520 | sizeof(power_mode)); | |
521 | ||
522 | /* disable pkt filter */ | |
523 | dhd_set_packet_filter(0, dhd); | |
524 | ||
525 | /* restore pre-suspend setting for dtim_skip */ | |
526 | bcm_mkiovar("bcn_li_dtim", (char *)&dhd->dtim_skip, | |
527 | 4, iovbuf, sizeof(iovbuf)); | |
528 | ||
529 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
530 | sizeof(iovbuf)); | |
531 | #ifdef CUSTOMER_HW2 | |
532 | roamvar = 0; | |
533 | bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, | |
534 | sizeof(iovbuf)); | |
535 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
536 | sizeof(iovbuf)); | |
537 | #endif /* CUSTOMER_HW2 */ | |
538 | } | |
539 | } | |
540 | ||
541 | return 0; | |
542 | } | |
543 | ||
544 | static void dhd_suspend_resume_helper(struct dhd_info *dhd, int val) | |
545 | { | |
546 | dhd_pub_t *dhdp = &dhd->pub; | |
547 | ||
548 | dhd_os_proto_block(dhdp); | |
549 | /* Set flag when early suspend was called */ | |
550 | dhdp->in_suspend = val; | |
551 | if (!dhdp->suspend_disable_flag) | |
552 | dhd_set_suspend(val, dhdp); | |
553 | dhd_os_proto_unblock(dhdp); | |
554 | } | |
555 | ||
556 | static void dhd_early_suspend(struct early_suspend *h) | |
557 | { | |
558 | struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); | |
559 | ||
560 | DHD_TRACE(("%s: enter\n", __func__)); | |
561 | ||
562 | if (dhd) | |
563 | dhd_suspend_resume_helper(dhd, 1); | |
564 | ||
565 | } | |
566 | ||
567 | static void dhd_late_resume(struct early_suspend *h) | |
568 | { | |
569 | struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); | |
570 | ||
571 | DHD_TRACE(("%s: enter\n", __func__)); | |
572 | ||
573 | if (dhd) | |
574 | dhd_suspend_resume_helper(dhd, 0); | |
575 | } | |
576 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
577 | ||
578 | /* | |
579 | * Generalized timeout mechanism. Uses spin sleep with exponential | |
580 | * back-off until | |
581 | * the sleep time reaches one jiffy, then switches over to task delay. Usage: | |
582 | * | |
583 | * dhd_timeout_start(&tmo, usec); | |
584 | * while (!dhd_timeout_expired(&tmo)) | |
585 | * if (poll_something()) | |
586 | * break; | |
587 | * if (dhd_timeout_expired(&tmo)) | |
588 | * fatal(); | |
589 | */ | |
590 | ||
591 | void dhd_timeout_start(dhd_timeout_t *tmo, uint usec) | |
592 | { | |
593 | tmo->limit = usec; | |
594 | tmo->increment = 0; | |
595 | tmo->elapsed = 0; | |
596 | tmo->tick = 1000000 / HZ; | |
597 | } | |
598 | ||
599 | int dhd_timeout_expired(dhd_timeout_t *tmo) | |
600 | { | |
601 | /* Does nothing the first call */ | |
602 | if (tmo->increment == 0) { | |
603 | tmo->increment = 1; | |
604 | return 0; | |
605 | } | |
606 | ||
607 | if (tmo->elapsed >= tmo->limit) | |
608 | return 1; | |
609 | ||
610 | /* Add the delay that's about to take place */ | |
611 | tmo->elapsed += tmo->increment; | |
612 | ||
613 | if (tmo->increment < tmo->tick) { | |
7383141b | 614 | udelay(tmo->increment); |
cf2b4488 HP |
615 | tmo->increment *= 2; |
616 | if (tmo->increment > tmo->tick) | |
617 | tmo->increment = tmo->tick; | |
618 | } else { | |
619 | wait_queue_head_t delay_wait; | |
620 | DECLARE_WAITQUEUE(wait, current); | |
621 | int pending; | |
622 | init_waitqueue_head(&delay_wait); | |
623 | add_wait_queue(&delay_wait, &wait); | |
624 | set_current_state(TASK_INTERRUPTIBLE); | |
625 | schedule_timeout(1); | |
626 | pending = signal_pending(current); | |
627 | remove_wait_queue(&delay_wait, &wait); | |
628 | set_current_state(TASK_RUNNING); | |
629 | if (pending) | |
630 | return 1; /* Interrupted */ | |
631 | } | |
632 | ||
633 | return 0; | |
634 | } | |
635 | ||
636 | static int dhd_net2idx(dhd_info_t *dhd, struct net_device *net) | |
637 | { | |
638 | int i = 0; | |
639 | ||
640 | ASSERT(dhd); | |
641 | while (i < DHD_MAX_IFS) { | |
642 | if (dhd->iflist[i] && (dhd->iflist[i]->net == net)) | |
643 | return i; | |
644 | i++; | |
645 | } | |
646 | ||
647 | return DHD_BAD_IF; | |
648 | } | |
649 | ||
650 | int dhd_ifname2idx(dhd_info_t *dhd, char *name) | |
651 | { | |
652 | int i = DHD_MAX_IFS; | |
653 | ||
654 | ASSERT(dhd); | |
655 | ||
656 | if (name == NULL || *name == '\0') | |
657 | return 0; | |
658 | ||
659 | while (--i > 0) | |
660 | if (dhd->iflist[i] | |
661 | && !strncmp(dhd->iflist[i]->name, name, IFNAMSIZ)) | |
662 | break; | |
663 | ||
664 | DHD_TRACE(("%s: return idx %d for \"%s\"\n", __func__, i, name)); | |
665 | ||
666 | return i; /* default - the primary interface */ | |
667 | } | |
668 | ||
669 | char *dhd_ifname(dhd_pub_t *dhdp, int ifidx) | |
670 | { | |
671 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
672 | ||
673 | ASSERT(dhd); | |
674 | ||
675 | if (ifidx < 0 || ifidx >= DHD_MAX_IFS) { | |
676 | DHD_ERROR(("%s: ifidx %d out of range\n", __func__, ifidx)); | |
677 | return "<if_bad>"; | |
678 | } | |
679 | ||
680 | if (dhd->iflist[ifidx] == NULL) { | |
681 | DHD_ERROR(("%s: null i/f %d\n", __func__, ifidx)); | |
682 | return "<if_null>"; | |
683 | } | |
684 | ||
685 | if (dhd->iflist[ifidx]->net) | |
686 | return dhd->iflist[ifidx]->net->name; | |
687 | ||
688 | return "<if_none>"; | |
689 | } | |
690 | ||
691 | static void _dhd_set_multicast_list(dhd_info_t *dhd, int ifidx) | |
692 | { | |
693 | struct net_device *dev; | |
694 | struct netdev_hw_addr *ha; | |
66cbd3ab | 695 | u32 allmulti, cnt; |
cf2b4488 HP |
696 | |
697 | wl_ioctl_t ioc; | |
698 | char *buf, *bufp; | |
699 | uint buflen; | |
700 | int ret; | |
701 | ||
702 | ASSERT(dhd && dhd->iflist[ifidx]); | |
703 | dev = dhd->iflist[ifidx]->net; | |
704 | cnt = netdev_mc_count(dev); | |
705 | ||
706 | /* Determine initial value of allmulti flag */ | |
0965ae88 | 707 | allmulti = (dev->flags & IFF_ALLMULTI) ? true : false; |
cf2b4488 HP |
708 | |
709 | /* Send down the multicast list first. */ | |
710 | ||
711 | buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETHER_ADDR_LEN); | |
5fcc1fcb | 712 | bufp = buf = kmalloc(buflen, GFP_ATOMIC); |
a618cc28 | 713 | if (!bufp) { |
cf2b4488 HP |
714 | DHD_ERROR(("%s: out of memory for mcast_list, cnt %d\n", |
715 | dhd_ifname(&dhd->pub, ifidx), cnt)); | |
716 | return; | |
717 | } | |
718 | ||
719 | strcpy(bufp, "mcast_list"); | |
720 | bufp += strlen("mcast_list") + 1; | |
721 | ||
722 | cnt = htol32(cnt); | |
723 | memcpy(bufp, &cnt, sizeof(cnt)); | |
724 | bufp += sizeof(cnt); | |
725 | ||
726 | netdev_for_each_mc_addr(ha, dev) { | |
727 | if (!cnt) | |
728 | break; | |
729 | memcpy(bufp, ha->addr, ETHER_ADDR_LEN); | |
730 | bufp += ETHER_ADDR_LEN; | |
731 | cnt--; | |
732 | } | |
733 | ||
734 | memset(&ioc, 0, sizeof(ioc)); | |
735 | ioc.cmd = WLC_SET_VAR; | |
736 | ioc.buf = buf; | |
737 | ioc.len = buflen; | |
0f0881b0 | 738 | ioc.set = true; |
cf2b4488 HP |
739 | |
740 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
741 | if (ret < 0) { | |
742 | DHD_ERROR(("%s: set mcast_list failed, cnt %d\n", | |
743 | dhd_ifname(&dhd->pub, ifidx), cnt)); | |
0f0881b0 | 744 | allmulti = cnt ? true : allmulti; |
cf2b4488 HP |
745 | } |
746 | ||
182acb3c | 747 | kfree(buf); |
cf2b4488 HP |
748 | |
749 | /* Now send the allmulti setting. This is based on the setting in the | |
750 | * net_device flags, but might be modified above to be turned on if we | |
751 | * were trying to set some addresses and dongle rejected it... | |
752 | */ | |
753 | ||
754 | buflen = sizeof("allmulti") + sizeof(allmulti); | |
5fcc1fcb | 755 | buf = kmalloc(buflen, GFP_ATOMIC); |
a618cc28 | 756 | if (!buf) { |
cf2b4488 HP |
757 | DHD_ERROR(("%s: out of memory for allmulti\n", |
758 | dhd_ifname(&dhd->pub, ifidx))); | |
759 | return; | |
760 | } | |
761 | allmulti = htol32(allmulti); | |
762 | ||
763 | if (!bcm_mkiovar | |
764 | ("allmulti", (void *)&allmulti, sizeof(allmulti), buf, buflen)) { | |
765 | DHD_ERROR(("%s: mkiovar failed for allmulti, datalen %d " | |
766 | "buflen %u\n", dhd_ifname(&dhd->pub, ifidx), | |
767 | (int)sizeof(allmulti), buflen)); | |
182acb3c | 768 | kfree(buf); |
cf2b4488 HP |
769 | return; |
770 | } | |
771 | ||
772 | memset(&ioc, 0, sizeof(ioc)); | |
773 | ioc.cmd = WLC_SET_VAR; | |
774 | ioc.buf = buf; | |
775 | ioc.len = buflen; | |
0f0881b0 | 776 | ioc.set = true; |
cf2b4488 HP |
777 | |
778 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
779 | if (ret < 0) { | |
780 | DHD_ERROR(("%s: set allmulti %d failed\n", | |
781 | dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti))); | |
782 | } | |
783 | ||
182acb3c | 784 | kfree(buf); |
cf2b4488 HP |
785 | |
786 | /* Finally, pick up the PROMISC flag as well, like the NIC | |
787 | driver does */ | |
788 | ||
0965ae88 | 789 | allmulti = (dev->flags & IFF_PROMISC) ? true : false; |
cf2b4488 HP |
790 | allmulti = htol32(allmulti); |
791 | ||
792 | memset(&ioc, 0, sizeof(ioc)); | |
793 | ioc.cmd = WLC_SET_PROMISC; | |
794 | ioc.buf = &allmulti; | |
795 | ioc.len = sizeof(allmulti); | |
0f0881b0 | 796 | ioc.set = true; |
cf2b4488 HP |
797 | |
798 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
799 | if (ret < 0) { | |
800 | DHD_ERROR(("%s: set promisc %d failed\n", | |
801 | dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti))); | |
802 | } | |
803 | } | |
804 | ||
805 | static int | |
806 | _dhd_set_mac_address(dhd_info_t *dhd, int ifidx, struct ether_addr *addr) | |
807 | { | |
808 | char buf[32]; | |
809 | wl_ioctl_t ioc; | |
810 | int ret; | |
811 | ||
812 | DHD_TRACE(("%s enter\n", __func__)); | |
813 | if (!bcm_mkiovar | |
814 | ("cur_etheraddr", (char *)addr, ETHER_ADDR_LEN, buf, 32)) { | |
815 | DHD_ERROR(("%s: mkiovar failed for cur_etheraddr\n", | |
816 | dhd_ifname(&dhd->pub, ifidx))); | |
817 | return -1; | |
818 | } | |
819 | memset(&ioc, 0, sizeof(ioc)); | |
820 | ioc.cmd = WLC_SET_VAR; | |
821 | ioc.buf = buf; | |
822 | ioc.len = 32; | |
0f0881b0 | 823 | ioc.set = true; |
cf2b4488 HP |
824 | |
825 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
826 | if (ret < 0) { | |
827 | DHD_ERROR(("%s: set cur_etheraddr failed\n", | |
828 | dhd_ifname(&dhd->pub, ifidx))); | |
829 | } else { | |
830 | memcpy(dhd->iflist[ifidx]->net->dev_addr, addr, ETHER_ADDR_LEN); | |
831 | } | |
832 | ||
833 | return ret; | |
834 | } | |
835 | ||
836 | #ifdef SOFTAP | |
837 | extern struct net_device *ap_net_dev; | |
838 | #endif | |
839 | ||
840 | static void dhd_op_if(dhd_if_t *ifp) | |
841 | { | |
842 | dhd_info_t *dhd; | |
843 | int ret = 0, err = 0; | |
844 | ||
845 | ASSERT(ifp && ifp->info && ifp->idx); /* Virtual interfaces only */ | |
846 | ||
847 | dhd = ifp->info; | |
848 | ||
849 | DHD_TRACE(("%s: idx %d, state %d\n", __func__, ifp->idx, ifp->state)); | |
850 | ||
851 | switch (ifp->state) { | |
852 | case WLC_E_IF_ADD: | |
853 | /* | |
854 | * Delete the existing interface before overwriting it | |
855 | * in case we missed the WLC_E_IF_DEL event. | |
856 | */ | |
857 | if (ifp->net != NULL) { | |
858 | DHD_ERROR(("%s: ERROR: netdev:%s already exists, " | |
859 | "try free & unregister\n", | |
860 | __func__, ifp->net->name)); | |
861 | netif_stop_queue(ifp->net); | |
862 | unregister_netdev(ifp->net); | |
863 | free_netdev(ifp->net); | |
864 | } | |
865 | /* Allocate etherdev, including space for private structure */ | |
a618cc28 JC |
866 | ifp->net = alloc_etherdev(sizeof(dhd)); |
867 | if (!ifp->net) { | |
cf2b4488 HP |
868 | DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); |
869 | ret = -ENOMEM; | |
870 | } | |
871 | if (ret == 0) { | |
872 | strcpy(ifp->net->name, ifp->name); | |
873 | memcpy(netdev_priv(ifp->net), &dhd, sizeof(dhd)); | |
a618cc28 JC |
874 | err = dhd_net_attach(&dhd->pub, ifp->idx); |
875 | if (err != 0) { | |
cf2b4488 HP |
876 | DHD_ERROR(("%s: dhd_net_attach failed, " |
877 | "err %d\n", | |
878 | __func__, err)); | |
879 | ret = -EOPNOTSUPP; | |
880 | } else { | |
881 | #ifdef SOFTAP | |
882 | /* semaphore that the soft AP CODE | |
883 | waits on */ | |
884 | extern struct semaphore ap_eth_sema; | |
885 | ||
886 | /* save ptr to wl0.1 netdev for use | |
887 | in wl_iw.c */ | |
888 | ap_net_dev = ifp->net; | |
889 | /* signal to the SOFTAP 'sleeper' thread, | |
890 | wl0.1 is ready */ | |
891 | up(&ap_eth_sema); | |
892 | #endif | |
893 | DHD_TRACE(("\n ==== pid:%x, net_device for " | |
894 | "if:%s created ===\n\n", | |
895 | current->pid, ifp->net->name)); | |
896 | ifp->state = 0; | |
897 | } | |
898 | } | |
899 | break; | |
900 | case WLC_E_IF_DEL: | |
901 | if (ifp->net != NULL) { | |
902 | DHD_TRACE(("\n%s: got 'WLC_E_IF_DEL' state\n", | |
903 | __func__)); | |
904 | netif_stop_queue(ifp->net); | |
905 | unregister_netdev(ifp->net); | |
906 | ret = DHD_DEL_IF; /* Make sure the free_netdev() | |
907 | is called */ | |
908 | } | |
909 | break; | |
910 | default: | |
911 | DHD_ERROR(("%s: bad op %d\n", __func__, ifp->state)); | |
912 | ASSERT(!ifp->state); | |
913 | break; | |
914 | } | |
915 | ||
916 | if (ret < 0) { | |
917 | if (ifp->net) | |
918 | free_netdev(ifp->net); | |
919 | ||
920 | dhd->iflist[ifp->idx] = NULL; | |
182acb3c | 921 | kfree(ifp); |
cf2b4488 HP |
922 | #ifdef SOFTAP |
923 | if (ifp->net == ap_net_dev) | |
924 | ap_net_dev = NULL; /* NULL SOFTAP global | |
925 | wl0.1 as well */ | |
926 | #endif /* SOFTAP */ | |
927 | } | |
928 | } | |
929 | ||
930 | static int _dhd_sysioc_thread(void *data) | |
931 | { | |
932 | dhd_info_t *dhd = (dhd_info_t *) data; | |
933 | int i; | |
934 | #ifdef SOFTAP | |
0965ae88 | 935 | bool in_ap = false; |
cf2b4488 HP |
936 | #endif |
937 | ||
af737136 | 938 | allow_signal(SIGTERM); |
939 | ||
cf2b4488 | 940 | while (down_interruptible(&dhd->sysioc_sem) == 0) { |
eeb8e46b | 941 | if (kthread_should_stop()) |
d809dcb9 | 942 | break; |
cf2b4488 HP |
943 | for (i = 0; i < DHD_MAX_IFS; i++) { |
944 | if (dhd->iflist[i]) { | |
945 | #ifdef SOFTAP | |
946 | in_ap = (ap_net_dev != NULL); | |
947 | #endif /* SOFTAP */ | |
948 | if (dhd->iflist[i]->state) | |
949 | dhd_op_if(dhd->iflist[i]); | |
950 | #ifdef SOFTAP | |
951 | if (dhd->iflist[i] == NULL) { | |
952 | DHD_TRACE(("\n\n %s: interface %d " | |
953 | "removed!\n", __func__, i)); | |
954 | continue; | |
955 | } | |
956 | ||
957 | if (in_ap && dhd->set_macaddress) { | |
958 | DHD_TRACE(("attempt to set MAC for %s " | |
959 | "in AP Mode," "blocked. \n", | |
960 | dhd->iflist[i]->net->name)); | |
0965ae88 | 961 | dhd->set_macaddress = false; |
cf2b4488 HP |
962 | continue; |
963 | } | |
964 | ||
965 | if (in_ap && dhd->set_multicast) { | |
966 | DHD_TRACE(("attempt to set MULTICAST list for %s" "in AP Mode, blocked. \n", | |
967 | dhd->iflist[i]->net->name)); | |
0965ae88 | 968 | dhd->set_multicast = false; |
cf2b4488 HP |
969 | continue; |
970 | } | |
971 | #endif /* SOFTAP */ | |
972 | if (dhd->set_multicast) { | |
0965ae88 | 973 | dhd->set_multicast = false; |
cf2b4488 HP |
974 | _dhd_set_multicast_list(dhd, i); |
975 | } | |
976 | if (dhd->set_macaddress) { | |
0965ae88 | 977 | dhd->set_macaddress = false; |
cf2b4488 HP |
978 | _dhd_set_mac_address(dhd, i, |
979 | &dhd->macvalue); | |
980 | } | |
981 | } | |
982 | } | |
983 | } | |
d809dcb9 | 984 | return 0; |
cf2b4488 HP |
985 | } |
986 | ||
987 | static int dhd_set_mac_address(struct net_device *dev, void *addr) | |
988 | { | |
989 | int ret = 0; | |
990 | ||
991 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
992 | struct sockaddr *sa = (struct sockaddr *)addr; | |
993 | int ifidx; | |
994 | ||
995 | ifidx = dhd_net2idx(dhd, dev); | |
996 | if (ifidx == DHD_BAD_IF) | |
997 | return -1; | |
998 | ||
d809dcb9 | 999 | ASSERT(dhd->sysioc_tsk); |
cf2b4488 | 1000 | memcpy(&dhd->macvalue, sa->sa_data, ETHER_ADDR_LEN); |
0f0881b0 | 1001 | dhd->set_macaddress = true; |
cf2b4488 HP |
1002 | up(&dhd->sysioc_sem); |
1003 | ||
1004 | return ret; | |
1005 | } | |
1006 | ||
1007 | static void dhd_set_multicast_list(struct net_device *dev) | |
1008 | { | |
1009 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
1010 | int ifidx; | |
1011 | ||
1012 | ifidx = dhd_net2idx(dhd, dev); | |
1013 | if (ifidx == DHD_BAD_IF) | |
1014 | return; | |
1015 | ||
d809dcb9 | 1016 | ASSERT(dhd->sysioc_tsk); |
0f0881b0 | 1017 | dhd->set_multicast = true; |
cf2b4488 HP |
1018 | up(&dhd->sysioc_sem); |
1019 | } | |
1020 | ||
c26b1378 | 1021 | int dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, struct sk_buff *pktbuf) |
cf2b4488 HP |
1022 | { |
1023 | int ret; | |
1024 | dhd_info_t *dhd = (dhd_info_t *) (dhdp->info); | |
1025 | ||
1026 | /* Reject if down */ | |
1027 | if (!dhdp->up || (dhdp->busstate == DHD_BUS_DOWN)) | |
1028 | return -ENODEV; | |
1029 | ||
1030 | /* Update multicast statistic */ | |
1031 | if (PKTLEN(pktbuf) >= ETHER_ADDR_LEN) { | |
3fd79f7c | 1032 | u8 *pktdata = (u8 *) PKTDATA(pktbuf); |
cf2b4488 HP |
1033 | struct ether_header *eh = (struct ether_header *)pktdata; |
1034 | ||
1035 | if (ETHER_ISMULTI(eh->ether_dhost)) | |
1036 | dhdp->tx_multicast++; | |
1037 | if (ntoh16(eh->ether_type) == ETHER_TYPE_802_1X) | |
1038 | atomic_inc(&dhd->pend_8021x_cnt); | |
1039 | } | |
1040 | ||
cf2b4488 HP |
1041 | /* If the protocol uses a data header, apply it */ |
1042 | dhd_prot_hdrpush(dhdp, ifidx, pktbuf); | |
1043 | ||
1044 | /* Use bus module to send data frame */ | |
1045 | #ifdef BCMDBUS | |
1046 | ret = dbus_send_pkt(dhdp->dbus, pktbuf, NULL /* pktinfo */); | |
1047 | #else | |
1048 | WAKE_LOCK_TIMEOUT(dhdp, WAKE_LOCK_TMOUT, 25); | |
1049 | ret = dhd_bus_txdata(dhdp->bus, pktbuf); | |
1050 | #endif /* BCMDBUS */ | |
1051 | ||
1052 | return ret; | |
1053 | } | |
1054 | ||
1055 | static int dhd_start_xmit(struct sk_buff *skb, struct net_device *net) | |
1056 | { | |
1057 | int ret; | |
1058 | void *pktbuf; | |
1059 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1060 | int ifidx; | |
1061 | ||
1062 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1063 | ||
1064 | /* Reject if down */ | |
1065 | if (!dhd->pub.up || (dhd->pub.busstate == DHD_BUS_DOWN)) { | |
1066 | DHD_ERROR(("%s: xmit rejected pub.up=%d busstate=%d\n", | |
1067 | __func__, dhd->pub.up, dhd->pub.busstate)); | |
1068 | netif_stop_queue(net); | |
1069 | return -ENODEV; | |
1070 | } | |
1071 | ||
1072 | ifidx = dhd_net2idx(dhd, net); | |
1073 | if (ifidx == DHD_BAD_IF) { | |
1074 | DHD_ERROR(("%s: bad ifidx %d\n", __func__, ifidx)); | |
1075 | netif_stop_queue(net); | |
1076 | return -ENODEV; | |
1077 | } | |
1078 | ||
1079 | /* Make sure there's enough room for any header */ | |
1080 | if (skb_headroom(skb) < dhd->pub.hdrlen) { | |
1081 | struct sk_buff *skb2; | |
1082 | ||
1083 | DHD_INFO(("%s: insufficient headroom\n", | |
1084 | dhd_ifname(&dhd->pub, ifidx))); | |
1085 | dhd->pub.tx_realloc++; | |
1086 | skb2 = skb_realloc_headroom(skb, dhd->pub.hdrlen); | |
1087 | dev_kfree_skb(skb); | |
a618cc28 JC |
1088 | skb = skb2; |
1089 | if (skb == NULL) { | |
cf2b4488 HP |
1090 | DHD_ERROR(("%s: skb_realloc_headroom failed\n", |
1091 | dhd_ifname(&dhd->pub, ifidx))); | |
1092 | ret = -ENOMEM; | |
1093 | goto done; | |
1094 | } | |
1095 | } | |
1096 | ||
1097 | /* Convert to packet */ | |
a618cc28 JC |
1098 | pktbuf = PKTFRMNATIVE(dhd->pub.osh, skb); |
1099 | if (!pktbuf) { | |
cf2b4488 HP |
1100 | DHD_ERROR(("%s: PKTFRMNATIVE failed\n", |
1101 | dhd_ifname(&dhd->pub, ifidx))); | |
1102 | dev_kfree_skb_any(skb); | |
1103 | ret = -ENOMEM; | |
1104 | goto done; | |
1105 | } | |
1106 | ||
1107 | ret = dhd_sendpkt(&dhd->pub, ifidx, pktbuf); | |
1108 | ||
1109 | done: | |
1110 | if (ret) | |
1111 | dhd->pub.dstats.tx_dropped++; | |
1112 | else | |
1113 | dhd->pub.tx_packets++; | |
1114 | ||
1115 | /* Return ok: we always eat the packet */ | |
1116 | return 0; | |
1117 | } | |
1118 | ||
1119 | void dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool state) | |
1120 | { | |
1121 | struct net_device *net; | |
1122 | dhd_info_t *dhd = dhdp->info; | |
1123 | ||
1124 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1125 | ||
1126 | dhdp->txoff = state; | |
1127 | ASSERT(dhd && dhd->iflist[ifidx]); | |
1128 | net = dhd->iflist[ifidx]->net; | |
1129 | if (state == ON) | |
1130 | netif_stop_queue(net); | |
1131 | else | |
1132 | netif_wake_queue(net); | |
1133 | } | |
1134 | ||
c26b1378 AS |
1135 | void dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, struct sk_buff *pktbuf, |
1136 | int numpkt) | |
cf2b4488 HP |
1137 | { |
1138 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
1139 | struct sk_buff *skb; | |
580a0bd9 | 1140 | unsigned char *eth; |
cf2b4488 | 1141 | uint len; |
c26b1378 AS |
1142 | void *data; |
1143 | struct sk_buff *pnext, *save_pktbuf; | |
cf2b4488 HP |
1144 | int i; |
1145 | dhd_if_t *ifp; | |
1146 | wl_event_msg_t event; | |
1147 | ||
1148 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1149 | ||
1150 | save_pktbuf = pktbuf; | |
1151 | ||
1152 | for (i = 0; pktbuf && i < numpkt; i++, pktbuf = pnext) { | |
1153 | ||
1154 | pnext = PKTNEXT(pktbuf); | |
1155 | PKTSETNEXT(pktbuf, NULL); | |
1156 | ||
1157 | skb = PKTTONATIVE(dhdp->osh, pktbuf); | |
1158 | ||
1159 | /* Get the protocol, maintain skb around eth_type_trans() | |
1160 | * The main reason for this hack is for the limitation of | |
1161 | * Linux 2.4 where 'eth_type_trans' uses the | |
1162 | * 'net->hard_header_len' | |
1163 | * to perform skb_pull inside vs ETH_HLEN. Since to avoid | |
1164 | * coping of the packet coming from the network stack to add | |
1165 | * BDC, Hardware header etc, during network interface | |
1166 | * registration | |
1167 | * we set the 'net->hard_header_len' to ETH_HLEN + extra space | |
1168 | * required | |
1169 | * for BDC, Hardware header etc. and not just the ETH_HLEN | |
1170 | */ | |
1171 | eth = skb->data; | |
1172 | len = skb->len; | |
1173 | ||
1174 | ifp = dhd->iflist[ifidx]; | |
1175 | if (ifp == NULL) | |
1176 | ifp = dhd->iflist[0]; | |
1177 | ||
1178 | ASSERT(ifp); | |
1179 | skb->dev = ifp->net; | |
1180 | skb->protocol = eth_type_trans(skb, skb->dev); | |
1181 | ||
1182 | if (skb->pkt_type == PACKET_MULTICAST) | |
1183 | dhd->pub.rx_multicast++; | |
1184 | ||
1185 | skb->data = eth; | |
1186 | skb->len = len; | |
1187 | ||
1188 | /* Strip header, count, deliver upward */ | |
1189 | skb_pull(skb, ETH_HLEN); | |
1190 | ||
1191 | /* Process special event packets and then discard them */ | |
1192 | if (ntoh16(skb->protocol) == ETHER_TYPE_BRCM) | |
1193 | dhd_wl_host_event(dhd, &ifidx, | |
d4fcdc68 | 1194 | skb_mac_header(skb), |
cf2b4488 HP |
1195 | &event, &data); |
1196 | ||
1197 | ASSERT(ifidx < DHD_MAX_IFS && dhd->iflist[ifidx]); | |
1198 | if (dhd->iflist[ifidx] && !dhd->iflist[ifidx]->state) | |
1199 | ifp = dhd->iflist[ifidx]; | |
1200 | ||
1201 | if (ifp->net) | |
1202 | ifp->net->last_rx = jiffies; | |
1203 | ||
1204 | dhdp->dstats.rx_bytes += skb->len; | |
1205 | dhdp->rx_packets++; /* Local count */ | |
1206 | ||
1207 | if (in_interrupt()) { | |
1208 | netif_rx(skb); | |
1209 | } else { | |
1210 | /* If the receive is not processed inside an ISR, | |
1211 | * the softirqd must be woken explicitly to service | |
1212 | * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled | |
1213 | * by netif_rx_ni(), but in earlier kernels, we need | |
1214 | * to do it manually. | |
1215 | */ | |
1216 | netif_rx_ni(skb); | |
1217 | } | |
1218 | } | |
1219 | } | |
1220 | ||
1221 | void dhd_event(struct dhd_info *dhd, char *evpkt, int evlen, int ifidx) | |
1222 | { | |
1223 | /* Linux version has nothing to do */ | |
1224 | return; | |
1225 | } | |
1226 | ||
c26b1378 | 1227 | void dhd_txcomplete(dhd_pub_t *dhdp, struct sk_buff *txp, bool success) |
cf2b4488 HP |
1228 | { |
1229 | uint ifidx; | |
1230 | dhd_info_t *dhd = (dhd_info_t *) (dhdp->info); | |
1231 | struct ether_header *eh; | |
7d4df48e | 1232 | u16 type; |
cf2b4488 HP |
1233 | |
1234 | dhd_prot_hdrpull(dhdp, &ifidx, txp); | |
1235 | ||
1236 | eh = (struct ether_header *)PKTDATA(txp); | |
1237 | type = ntoh16(eh->ether_type); | |
1238 | ||
1239 | if (type == ETHER_TYPE_802_1X) | |
1240 | atomic_dec(&dhd->pend_8021x_cnt); | |
1241 | ||
1242 | } | |
1243 | ||
1244 | static struct net_device_stats *dhd_get_stats(struct net_device *net) | |
1245 | { | |
1246 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1247 | dhd_if_t *ifp; | |
1248 | int ifidx; | |
1249 | ||
1250 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1251 | ||
1252 | ifidx = dhd_net2idx(dhd, net); | |
1253 | if (ifidx == DHD_BAD_IF) | |
1254 | return NULL; | |
1255 | ||
1256 | ifp = dhd->iflist[ifidx]; | |
1257 | ASSERT(dhd && ifp); | |
1258 | ||
1259 | if (dhd->pub.up) { | |
1260 | /* Use the protocol to get dongle stats */ | |
1261 | dhd_prot_dstats(&dhd->pub); | |
1262 | } | |
1263 | ||
1264 | /* Copy dongle stats to net device stats */ | |
1265 | ifp->stats.rx_packets = dhd->pub.dstats.rx_packets; | |
1266 | ifp->stats.tx_packets = dhd->pub.dstats.tx_packets; | |
1267 | ifp->stats.rx_bytes = dhd->pub.dstats.rx_bytes; | |
1268 | ifp->stats.tx_bytes = dhd->pub.dstats.tx_bytes; | |
1269 | ifp->stats.rx_errors = dhd->pub.dstats.rx_errors; | |
1270 | ifp->stats.tx_errors = dhd->pub.dstats.tx_errors; | |
1271 | ifp->stats.rx_dropped = dhd->pub.dstats.rx_dropped; | |
1272 | ifp->stats.tx_dropped = dhd->pub.dstats.tx_dropped; | |
1273 | ifp->stats.multicast = dhd->pub.dstats.multicast; | |
1274 | ||
1275 | return &ifp->stats; | |
1276 | } | |
1277 | ||
1278 | static int dhd_watchdog_thread(void *data) | |
1279 | { | |
1280 | dhd_info_t *dhd = (dhd_info_t *) data; | |
1281 | WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_WATCHDOG, "dhd_watchdog_thread"); | |
1282 | ||
1283 | /* This thread doesn't need any user-level access, | |
1284 | * so get rid of all our resources | |
1285 | */ | |
1286 | #ifdef DHD_SCHED | |
1287 | if (dhd_watchdog_prio > 0) { | |
1288 | struct sched_param param; | |
1289 | param.sched_priority = (dhd_watchdog_prio < MAX_RT_PRIO) ? | |
1290 | dhd_watchdog_prio : (MAX_RT_PRIO - 1); | |
1291 | setScheduler(current, SCHED_FIFO, ¶m); | |
1292 | } | |
1293 | #endif /* DHD_SCHED */ | |
1294 | ||
af737136 | 1295 | allow_signal(SIGTERM); |
cf2b4488 HP |
1296 | /* Run until signal received */ |
1297 | while (1) { | |
860708d9 JC |
1298 | if (kthread_should_stop()) |
1299 | break; | |
cf2b4488 | 1300 | if (down_interruptible(&dhd->watchdog_sem) == 0) { |
0965ae88 | 1301 | if (dhd->pub.dongle_reset == false) { |
cf2b4488 HP |
1302 | WAKE_LOCK(&dhd->pub, WAKE_LOCK_WATCHDOG); |
1303 | /* Call the bus module watchdog */ | |
1304 | dhd_bus_watchdog(&dhd->pub); | |
1305 | WAKE_UNLOCK(&dhd->pub, WAKE_LOCK_WATCHDOG); | |
1306 | } | |
1307 | /* Count the tick for reference */ | |
1308 | dhd->pub.tickcnt++; | |
1309 | } else | |
1310 | break; | |
1311 | } | |
1312 | ||
1313 | WAKE_LOCK_DESTROY(&dhd->pub, WAKE_LOCK_WATCHDOG); | |
860708d9 | 1314 | return 0; |
cf2b4488 HP |
1315 | } |
1316 | ||
3deea904 | 1317 | static void dhd_watchdog(unsigned long data) |
cf2b4488 HP |
1318 | { |
1319 | dhd_info_t *dhd = (dhd_info_t *) data; | |
1320 | ||
860708d9 | 1321 | if (dhd->watchdog_tsk) { |
cf2b4488 HP |
1322 | up(&dhd->watchdog_sem); |
1323 | ||
1324 | /* Reschedule the watchdog */ | |
1325 | if (dhd->wd_timer_valid) { | |
1326 | mod_timer(&dhd->timer, | |
1327 | jiffies + dhd_watchdog_ms * HZ / 1000); | |
1328 | } | |
1329 | return; | |
1330 | } | |
1331 | ||
1332 | /* Call the bus module watchdog */ | |
1333 | dhd_bus_watchdog(&dhd->pub); | |
1334 | ||
1335 | /* Count the tick for reference */ | |
1336 | dhd->pub.tickcnt++; | |
1337 | ||
1338 | /* Reschedule the watchdog */ | |
1339 | if (dhd->wd_timer_valid) | |
1340 | mod_timer(&dhd->timer, jiffies + dhd_watchdog_ms * HZ / 1000); | |
1341 | } | |
1342 | ||
1343 | static int dhd_dpc_thread(void *data) | |
1344 | { | |
1345 | dhd_info_t *dhd = (dhd_info_t *) data; | |
1346 | ||
1347 | WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_DPC, "dhd_dpc_thread"); | |
1348 | /* This thread doesn't need any user-level access, | |
1349 | * so get rid of all our resources | |
1350 | */ | |
1351 | #ifdef DHD_SCHED | |
1352 | if (dhd_dpc_prio > 0) { | |
1353 | struct sched_param param; | |
1354 | param.sched_priority = | |
1355 | (dhd_dpc_prio < | |
1356 | MAX_RT_PRIO) ? dhd_dpc_prio : (MAX_RT_PRIO - 1); | |
1357 | setScheduler(current, SCHED_FIFO, ¶m); | |
1358 | } | |
1359 | #endif /* DHD_SCHED */ | |
1360 | ||
af737136 | 1361 | allow_signal(SIGTERM); |
cf2b4488 HP |
1362 | /* Run until signal received */ |
1363 | while (1) { | |
eeb8e46b | 1364 | if (kthread_should_stop()) |
ecd7559d | 1365 | break; |
cf2b4488 HP |
1366 | if (down_interruptible(&dhd->dpc_sem) == 0) { |
1367 | /* Call bus dpc unless it indicated down | |
1368 | (then clean stop) */ | |
1369 | if (dhd->pub.busstate != DHD_BUS_DOWN) { | |
1370 | WAKE_LOCK(&dhd->pub, WAKE_LOCK_DPC); | |
1371 | if (dhd_bus_dpc(dhd->pub.bus)) { | |
1372 | up(&dhd->dpc_sem); | |
1373 | WAKE_LOCK_TIMEOUT(&dhd->pub, | |
1374 | WAKE_LOCK_TMOUT, 25); | |
1375 | } | |
1376 | WAKE_UNLOCK(&dhd->pub, WAKE_LOCK_DPC); | |
1377 | } else { | |
0f0881b0 | 1378 | dhd_bus_stop(dhd->pub.bus, true); |
cf2b4488 HP |
1379 | } |
1380 | } else | |
1381 | break; | |
1382 | } | |
1383 | ||
1384 | WAKE_LOCK_DESTROY(&dhd->pub, WAKE_LOCK_DPC); | |
ecd7559d | 1385 | return 0; |
cf2b4488 HP |
1386 | } |
1387 | ||
3deea904 | 1388 | static void dhd_dpc(unsigned long data) |
cf2b4488 HP |
1389 | { |
1390 | dhd_info_t *dhd; | |
1391 | ||
1392 | dhd = (dhd_info_t *) data; | |
1393 | ||
1394 | /* Call bus dpc unless it indicated down (then clean stop) */ | |
1395 | if (dhd->pub.busstate != DHD_BUS_DOWN) { | |
1396 | if (dhd_bus_dpc(dhd->pub.bus)) | |
1397 | tasklet_schedule(&dhd->tasklet); | |
1398 | } else { | |
0f0881b0 | 1399 | dhd_bus_stop(dhd->pub.bus, true); |
cf2b4488 HP |
1400 | } |
1401 | } | |
1402 | ||
1403 | void dhd_sched_dpc(dhd_pub_t *dhdp) | |
1404 | { | |
1405 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
1406 | ||
ecd7559d | 1407 | if (dhd->dpc_tsk) { |
cf2b4488 HP |
1408 | up(&dhd->dpc_sem); |
1409 | return; | |
1410 | } | |
1411 | ||
1412 | tasklet_schedule(&dhd->tasklet); | |
1413 | } | |
1414 | ||
1415 | #ifdef TOE | |
1416 | /* Retrieve current toe component enables, which are kept | |
1417 | as a bitmap in toe_ol iovar */ | |
66cbd3ab | 1418 | static int dhd_toe_get(dhd_info_t *dhd, int ifidx, u32 *toe_ol) |
cf2b4488 HP |
1419 | { |
1420 | wl_ioctl_t ioc; | |
1421 | char buf[32]; | |
1422 | int ret; | |
1423 | ||
1424 | memset(&ioc, 0, sizeof(ioc)); | |
1425 | ||
1426 | ioc.cmd = WLC_GET_VAR; | |
1427 | ioc.buf = buf; | |
1428 | ioc.len = (uint) sizeof(buf); | |
0965ae88 | 1429 | ioc.set = false; |
cf2b4488 HP |
1430 | |
1431 | strcpy(buf, "toe_ol"); | |
a618cc28 JC |
1432 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
1433 | if (ret < 0) { | |
cf2b4488 HP |
1434 | /* Check for older dongle image that doesn't support toe_ol */ |
1435 | if (ret == -EIO) { | |
1436 | DHD_ERROR(("%s: toe not supported by device\n", | |
1437 | dhd_ifname(&dhd->pub, ifidx))); | |
1438 | return -EOPNOTSUPP; | |
1439 | } | |
1440 | ||
1441 | DHD_INFO(("%s: could not get toe_ol: ret=%d\n", | |
1442 | dhd_ifname(&dhd->pub, ifidx), ret)); | |
1443 | return ret; | |
1444 | } | |
1445 | ||
66cbd3ab | 1446 | memcpy(toe_ol, buf, sizeof(u32)); |
cf2b4488 HP |
1447 | return 0; |
1448 | } | |
1449 | ||
1450 | /* Set current toe component enables in toe_ol iovar, | |
1451 | and set toe global enable iovar */ | |
66cbd3ab | 1452 | static int dhd_toe_set(dhd_info_t *dhd, int ifidx, u32 toe_ol) |
cf2b4488 HP |
1453 | { |
1454 | wl_ioctl_t ioc; | |
1455 | char buf[32]; | |
1456 | int toe, ret; | |
1457 | ||
1458 | memset(&ioc, 0, sizeof(ioc)); | |
1459 | ||
1460 | ioc.cmd = WLC_SET_VAR; | |
1461 | ioc.buf = buf; | |
1462 | ioc.len = (uint) sizeof(buf); | |
0f0881b0 | 1463 | ioc.set = true; |
cf2b4488 HP |
1464 | |
1465 | /* Set toe_ol as requested */ | |
1466 | ||
1467 | strcpy(buf, "toe_ol"); | |
66cbd3ab | 1468 | memcpy(&buf[sizeof("toe_ol")], &toe_ol, sizeof(u32)); |
cf2b4488 | 1469 | |
a618cc28 JC |
1470 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
1471 | if (ret < 0) { | |
cf2b4488 HP |
1472 | DHD_ERROR(("%s: could not set toe_ol: ret=%d\n", |
1473 | dhd_ifname(&dhd->pub, ifidx), ret)); | |
1474 | return ret; | |
1475 | } | |
1476 | ||
1477 | /* Enable toe globally only if any components are enabled. */ | |
1478 | ||
1479 | toe = (toe_ol != 0); | |
1480 | ||
1481 | strcpy(buf, "toe"); | |
66cbd3ab | 1482 | memcpy(&buf[sizeof("toe")], &toe, sizeof(u32)); |
cf2b4488 | 1483 | |
a618cc28 JC |
1484 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
1485 | if (ret < 0) { | |
cf2b4488 HP |
1486 | DHD_ERROR(("%s: could not set toe: ret=%d\n", |
1487 | dhd_ifname(&dhd->pub, ifidx), ret)); | |
1488 | return ret; | |
1489 | } | |
1490 | ||
1491 | return 0; | |
1492 | } | |
1493 | #endif /* TOE */ | |
1494 | ||
1495 | static void dhd_ethtool_get_drvinfo(struct net_device *net, | |
1496 | struct ethtool_drvinfo *info) | |
1497 | { | |
1498 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1499 | ||
93ad12cf | 1500 | sprintf(info->driver, DRV_MODULE_NAME); |
cf2b4488 | 1501 | sprintf(info->version, "%lu", dhd->pub.drv_version); |
93ad12cf | 1502 | sprintf(info->fw_version, "%s", wl_cfg80211_get_fwname()); |
1503 | sprintf(info->bus_info, "%s", dev_name(&wl_cfg80211_get_sdio_func()->dev)); | |
cf2b4488 HP |
1504 | } |
1505 | ||
1506 | struct ethtool_ops dhd_ethtool_ops = { | |
1507 | .get_drvinfo = dhd_ethtool_get_drvinfo | |
1508 | }; | |
1509 | ||
1510 | static int dhd_ethtool(dhd_info_t *dhd, void *uaddr) | |
1511 | { | |
1512 | struct ethtool_drvinfo info; | |
1513 | char drvname[sizeof(info.driver)]; | |
66cbd3ab | 1514 | u32 cmd; |
cf2b4488 HP |
1515 | #ifdef TOE |
1516 | struct ethtool_value edata; | |
66cbd3ab | 1517 | u32 toe_cmpnt, csum_dir; |
cf2b4488 HP |
1518 | int ret; |
1519 | #endif | |
1520 | ||
1521 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1522 | ||
1523 | /* all ethtool calls start with a cmd word */ | |
66cbd3ab | 1524 | if (copy_from_user(&cmd, uaddr, sizeof(u32))) |
cf2b4488 HP |
1525 | return -EFAULT; |
1526 | ||
1527 | switch (cmd) { | |
1528 | case ETHTOOL_GDRVINFO: | |
1529 | /* Copy out any request driver name */ | |
1530 | if (copy_from_user(&info, uaddr, sizeof(info))) | |
1531 | return -EFAULT; | |
1532 | strncpy(drvname, info.driver, sizeof(info.driver)); | |
1533 | drvname[sizeof(info.driver) - 1] = '\0'; | |
1534 | ||
1535 | /* clear struct for return */ | |
1536 | memset(&info, 0, sizeof(info)); | |
1537 | info.cmd = cmd; | |
1538 | ||
1539 | /* if dhd requested, identify ourselves */ | |
1540 | if (strcmp(drvname, "?dhd") == 0) { | |
1541 | sprintf(info.driver, "dhd"); | |
1542 | strcpy(info.version, EPI_VERSION_STR); | |
1543 | } | |
1544 | ||
1545 | /* otherwise, require dongle to be up */ | |
1546 | else if (!dhd->pub.up) { | |
1547 | DHD_ERROR(("%s: dongle is not up\n", __func__)); | |
1548 | return -ENODEV; | |
1549 | } | |
1550 | ||
1551 | /* finally, report dongle driver type */ | |
1552 | else if (dhd->pub.iswl) | |
1553 | sprintf(info.driver, "wl"); | |
1554 | else | |
1555 | sprintf(info.driver, "xx"); | |
1556 | ||
1557 | sprintf(info.version, "%lu", dhd->pub.drv_version); | |
1558 | if (copy_to_user(uaddr, &info, sizeof(info))) | |
1559 | return -EFAULT; | |
1560 | DHD_CTL(("%s: given %*s, returning %s\n", __func__, | |
1561 | (int)sizeof(drvname), drvname, info.driver)); | |
1562 | break; | |
1563 | ||
1564 | #ifdef TOE | |
1565 | /* Get toe offload components from dongle */ | |
1566 | case ETHTOOL_GRXCSUM: | |
1567 | case ETHTOOL_GTXCSUM: | |
a618cc28 JC |
1568 | ret = dhd_toe_get(dhd, 0, &toe_cmpnt); |
1569 | if (ret < 0) | |
cf2b4488 HP |
1570 | return ret; |
1571 | ||
1572 | csum_dir = | |
1573 | (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | |
1574 | ||
1575 | edata.cmd = cmd; | |
1576 | edata.data = (toe_cmpnt & csum_dir) ? 1 : 0; | |
1577 | ||
1578 | if (copy_to_user(uaddr, &edata, sizeof(edata))) | |
1579 | return -EFAULT; | |
1580 | break; | |
1581 | ||
1582 | /* Set toe offload components in dongle */ | |
1583 | case ETHTOOL_SRXCSUM: | |
1584 | case ETHTOOL_STXCSUM: | |
1585 | if (copy_from_user(&edata, uaddr, sizeof(edata))) | |
1586 | return -EFAULT; | |
1587 | ||
1588 | /* Read the current settings, update and write back */ | |
a618cc28 JC |
1589 | ret = dhd_toe_get(dhd, 0, &toe_cmpnt); |
1590 | if (ret < 0) | |
cf2b4488 HP |
1591 | return ret; |
1592 | ||
1593 | csum_dir = | |
1594 | (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | |
1595 | ||
1596 | if (edata.data != 0) | |
1597 | toe_cmpnt |= csum_dir; | |
1598 | else | |
1599 | toe_cmpnt &= ~csum_dir; | |
1600 | ||
a618cc28 JC |
1601 | ret = dhd_toe_set(dhd, 0, toe_cmpnt); |
1602 | if (ret < 0) | |
cf2b4488 HP |
1603 | return ret; |
1604 | ||
1605 | /* If setting TX checksum mode, tell Linux the new mode */ | |
1606 | if (cmd == ETHTOOL_STXCSUM) { | |
1607 | if (edata.data) | |
1608 | dhd->iflist[0]->net->features |= | |
1609 | NETIF_F_IP_CSUM; | |
1610 | else | |
1611 | dhd->iflist[0]->net->features &= | |
1612 | ~NETIF_F_IP_CSUM; | |
1613 | } | |
1614 | ||
1615 | break; | |
1616 | #endif /* TOE */ | |
1617 | ||
1618 | default: | |
1619 | return -EOPNOTSUPP; | |
1620 | } | |
1621 | ||
1622 | return 0; | |
1623 | } | |
1624 | ||
9014378b BR |
1625 | static s16 linuxbcmerrormap[] = { 0, /* 0 */ |
1626 | -EINVAL, /* BCME_ERROR */ | |
1627 | -EINVAL, /* BCME_BADARG */ | |
1628 | -EINVAL, /* BCME_BADOPTION */ | |
1629 | -EINVAL, /* BCME_NOTUP */ | |
1630 | -EINVAL, /* BCME_NOTDOWN */ | |
1631 | -EINVAL, /* BCME_NOTAP */ | |
1632 | -EINVAL, /* BCME_NOTSTA */ | |
1633 | -EINVAL, /* BCME_BADKEYIDX */ | |
1634 | -EINVAL, /* BCME_RADIOOFF */ | |
1635 | -EINVAL, /* BCME_NOTBANDLOCKED */ | |
1636 | -EINVAL, /* BCME_NOCLK */ | |
1637 | -EINVAL, /* BCME_BADRATESET */ | |
1638 | -EINVAL, /* BCME_BADBAND */ | |
1639 | -E2BIG, /* BCME_BUFTOOSHORT */ | |
1640 | -E2BIG, /* BCME_BUFTOOLONG */ | |
1641 | -EBUSY, /* BCME_BUSY */ | |
1642 | -EINVAL, /* BCME_NOTASSOCIATED */ | |
1643 | -EINVAL, /* BCME_BADSSIDLEN */ | |
1644 | -EINVAL, /* BCME_OUTOFRANGECHAN */ | |
1645 | -EINVAL, /* BCME_BADCHAN */ | |
1646 | -EFAULT, /* BCME_BADADDR */ | |
1647 | -ENOMEM, /* BCME_NORESOURCE */ | |
1648 | -EOPNOTSUPP, /* BCME_UNSUPPORTED */ | |
1649 | -EMSGSIZE, /* BCME_BADLENGTH */ | |
1650 | -EINVAL, /* BCME_NOTREADY */ | |
1651 | -EPERM, /* BCME_NOTPERMITTED */ | |
1652 | -ENOMEM, /* BCME_NOMEM */ | |
1653 | -EINVAL, /* BCME_ASSOCIATED */ | |
1654 | -ERANGE, /* BCME_RANGE */ | |
1655 | -EINVAL, /* BCME_NOTFOUND */ | |
1656 | -EINVAL, /* BCME_WME_NOT_ENABLED */ | |
1657 | -EINVAL, /* BCME_TSPEC_NOTFOUND */ | |
1658 | -EINVAL, /* BCME_ACM_NOTSUPPORTED */ | |
1659 | -EINVAL, /* BCME_NOT_WME_ASSOCIATION */ | |
1660 | -EIO, /* BCME_SDIO_ERROR */ | |
1661 | -ENODEV, /* BCME_DONGLE_DOWN */ | |
1662 | -EINVAL, /* BCME_VERSION */ | |
1663 | -EIO, /* BCME_TXFAIL */ | |
1664 | -EIO, /* BCME_RXFAIL */ | |
1665 | -EINVAL, /* BCME_NODEVICE */ | |
1666 | -EINVAL, /* BCME_NMODE_DISABLED */ | |
1667 | -ENODATA, /* BCME_NONRESIDENT */ | |
1668 | }; | |
1669 | ||
cf2b4488 HP |
1670 | static int dhd_ioctl_entry(struct net_device *net, struct ifreq *ifr, int cmd) |
1671 | { | |
1672 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1673 | dhd_ioctl_t ioc; | |
1674 | int bcmerror = 0; | |
1675 | int buflen = 0; | |
1676 | void *buf = NULL; | |
1677 | uint driver = 0; | |
1678 | int ifidx; | |
1679 | bool is_set_key_cmd; | |
1680 | ||
1681 | ifidx = dhd_net2idx(dhd, net); | |
1682 | DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __func__, ifidx, cmd)); | |
1683 | ||
1684 | if (ifidx == DHD_BAD_IF) | |
1685 | return -1; | |
1686 | ||
1687 | #if defined(CONFIG_WIRELESS_EXT) | |
1688 | /* linux wireless extensions */ | |
1689 | if ((cmd >= SIOCIWFIRST) && (cmd <= SIOCIWLAST)) { | |
1690 | /* may recurse, do NOT lock */ | |
1691 | return wl_iw_ioctl(net, ifr, cmd); | |
1692 | } | |
1693 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
1694 | ||
1695 | if (cmd == SIOCETHTOOL) | |
1696 | return dhd_ethtool(dhd, (void *)ifr->ifr_data); | |
1697 | ||
1698 | if (cmd != SIOCDEVPRIVATE) | |
1699 | return -EOPNOTSUPP; | |
1700 | ||
1701 | memset(&ioc, 0, sizeof(ioc)); | |
1702 | ||
1703 | /* Copy the ioc control structure part of ioctl request */ | |
1704 | if (copy_from_user(&ioc, ifr->ifr_data, sizeof(wl_ioctl_t))) { | |
1705 | bcmerror = -BCME_BADADDR; | |
1706 | goto done; | |
1707 | } | |
1708 | ||
1709 | /* Copy out any buffer passed */ | |
1710 | if (ioc.buf) { | |
53e974db | 1711 | buflen = min_t(int, ioc.len, DHD_IOCTL_MAXLEN); |
cf2b4488 HP |
1712 | /* optimization for direct ioctl calls from kernel */ |
1713 | /* | |
1714 | if (segment_eq(get_fs(), KERNEL_DS)) { | |
1715 | buf = ioc.buf; | |
1716 | } else { | |
1717 | */ | |
1718 | { | |
5fcc1fcb | 1719 | buf = kmalloc(buflen, GFP_ATOMIC); |
a618cc28 | 1720 | if (!buf) { |
cf2b4488 HP |
1721 | bcmerror = -BCME_NOMEM; |
1722 | goto done; | |
1723 | } | |
1724 | if (copy_from_user(buf, ioc.buf, buflen)) { | |
1725 | bcmerror = -BCME_BADADDR; | |
1726 | goto done; | |
1727 | } | |
1728 | } | |
1729 | } | |
1730 | ||
1731 | /* To differentiate between wl and dhd read 4 more byes */ | |
1732 | if ((copy_from_user(&driver, (char *)ifr->ifr_data + sizeof(wl_ioctl_t), | |
1733 | sizeof(uint)) != 0)) { | |
1734 | bcmerror = -BCME_BADADDR; | |
1735 | goto done; | |
1736 | } | |
1737 | ||
1738 | if (!capable(CAP_NET_ADMIN)) { | |
1739 | bcmerror = -BCME_EPERM; | |
1740 | goto done; | |
1741 | } | |
1742 | ||
1743 | /* check for local dhd ioctl and handle it */ | |
1744 | if (driver == DHD_IOCTL_MAGIC) { | |
1745 | bcmerror = dhd_ioctl((void *)&dhd->pub, &ioc, buf, buflen); | |
1746 | if (bcmerror) | |
1747 | dhd->pub.bcmerror = bcmerror; | |
1748 | goto done; | |
1749 | } | |
1750 | ||
1751 | /* send to dongle (must be up, and wl) */ | |
1752 | if ((dhd->pub.busstate != DHD_BUS_DATA)) { | |
1753 | DHD_ERROR(("%s DONGLE_DOWN,__func__\n", __func__)); | |
1754 | bcmerror = BCME_DONGLE_DOWN; | |
1755 | goto done; | |
1756 | } | |
1757 | ||
1758 | if (!dhd->pub.iswl) { | |
1759 | bcmerror = BCME_DONGLE_DOWN; | |
1760 | goto done; | |
1761 | } | |
1762 | ||
1763 | /* Intercept WLC_SET_KEY IOCTL - serialize M4 send and set key IOCTL to | |
1764 | * prevent M4 encryption. | |
1765 | */ | |
1766 | is_set_key_cmd = ((ioc.cmd == WLC_SET_KEY) || | |
1767 | ((ioc.cmd == WLC_SET_VAR) && | |
1768 | !(strncmp("wsec_key", ioc.buf, 9))) || | |
1769 | ((ioc.cmd == WLC_SET_VAR) && | |
1770 | !(strncmp("bsscfg:wsec_key", ioc.buf, 15)))); | |
1771 | if (is_set_key_cmd) | |
1772 | dhd_wait_pend8021x(net); | |
1773 | ||
1774 | WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_IOCTL, "dhd_ioctl_entry"); | |
1775 | WAKE_LOCK(&dhd->pub, WAKE_LOCK_IOCTL); | |
1776 | ||
1777 | bcmerror = | |
1778 | dhd_prot_ioctl(&dhd->pub, ifidx, (wl_ioctl_t *)&ioc, buf, buflen); | |
1779 | ||
1780 | WAKE_UNLOCK(&dhd->pub, WAKE_LOCK_IOCTL); | |
1781 | WAKE_LOCK_DESTROY(&dhd->pub, WAKE_LOCK_IOCTL); | |
1782 | done: | |
1783 | if (!bcmerror && buf && ioc.buf) { | |
1784 | if (copy_to_user(ioc.buf, buf, buflen)) | |
1785 | bcmerror = -EFAULT; | |
1786 | } | |
1787 | ||
1788 | if (buf) | |
182acb3c | 1789 | kfree(buf); |
cf2b4488 | 1790 | |
9014378b BR |
1791 | if (bcmerror > 0) |
1792 | bcmerror = 0; | |
1793 | else if (bcmerror < BCME_LAST) | |
1794 | bcmerror = BCME_ERROR; | |
1795 | ||
1796 | return linuxbcmerrormap[-bcmerror]; | |
cf2b4488 HP |
1797 | } |
1798 | ||
1799 | static int dhd_stop(struct net_device *net) | |
1800 | { | |
1801 | #if !defined(IGNORE_ETH0_DOWN) | |
1802 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1803 | ||
1804 | DHD_TRACE(("%s: Enter\n", __func__)); | |
cf2b4488 HP |
1805 | if (IS_CFG80211_FAVORITE()) { |
1806 | wl_cfg80211_down(); | |
1807 | } | |
cf2b4488 HP |
1808 | if (dhd->pub.up == 0) |
1809 | return 0; | |
1810 | ||
1811 | /* Set state and stop OS transmissions */ | |
1812 | dhd->pub.up = 0; | |
1813 | netif_stop_queue(net); | |
1814 | #else | |
1815 | DHD_ERROR(("BYPASS %s:due to BRCM compilation : under investigation\n", | |
1816 | __func__)); | |
1817 | #endif /* !defined(IGNORE_ETH0_DOWN) */ | |
1818 | ||
cf2b4488 HP |
1819 | return 0; |
1820 | } | |
1821 | ||
1822 | static int dhd_open(struct net_device *net) | |
1823 | { | |
1824 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1825 | #ifdef TOE | |
66cbd3ab | 1826 | u32 toe_ol; |
cf2b4488 HP |
1827 | #endif |
1828 | int ifidx = dhd_net2idx(dhd, net); | |
3e26416e | 1829 | s32 ret = 0; |
cf2b4488 HP |
1830 | |
1831 | DHD_TRACE(("%s: ifidx %d\n", __func__, ifidx)); | |
1832 | ||
1833 | if (ifidx == 0) { /* do it only for primary eth0 */ | |
1834 | ||
1835 | /* try to bring up bus */ | |
a618cc28 JC |
1836 | ret = dhd_bus_start(&dhd->pub); |
1837 | if (ret != 0) { | |
cf2b4488 HP |
1838 | DHD_ERROR(("%s: failed with code %d\n", __func__, ret)); |
1839 | return -1; | |
1840 | } | |
1841 | atomic_set(&dhd->pend_8021x_cnt, 0); | |
1842 | ||
1843 | memcpy(net->dev_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN); | |
1844 | ||
1845 | #ifdef TOE | |
1846 | /* Get current TOE mode from dongle */ | |
1847 | if (dhd_toe_get(dhd, ifidx, &toe_ol) >= 0 | |
1848 | && (toe_ol & TOE_TX_CSUM_OL) != 0) | |
1849 | dhd->iflist[ifidx]->net->features |= NETIF_F_IP_CSUM; | |
1850 | else | |
1851 | dhd->iflist[ifidx]->net->features &= ~NETIF_F_IP_CSUM; | |
1852 | #endif | |
1853 | } | |
1854 | /* Allow transmit calls */ | |
1855 | netif_start_queue(net); | |
1856 | dhd->pub.up = 1; | |
cf2b4488 HP |
1857 | if (IS_CFG80211_FAVORITE()) { |
1858 | if (unlikely(wl_cfg80211_up())) { | |
1859 | DHD_ERROR(("%s: failed to bring up cfg80211\n", | |
1860 | __func__)); | |
1861 | return -1; | |
1862 | } | |
1863 | } | |
cf2b4488 | 1864 | |
cf2b4488 HP |
1865 | return ret; |
1866 | } | |
1867 | ||
e69284f2 | 1868 | struct osl_info *dhd_osl_attach(void *pdev, uint bustype) |
cf2b4488 | 1869 | { |
997dd24f | 1870 | return osl_attach(pdev, bustype); |
cf2b4488 HP |
1871 | } |
1872 | ||
e69284f2 | 1873 | void dhd_osl_detach(struct osl_info *osh) |
cf2b4488 | 1874 | { |
cf2b4488 HP |
1875 | osl_detach(osh); |
1876 | } | |
1877 | ||
1878 | int | |
1879 | dhd_add_if(dhd_info_t *dhd, int ifidx, void *handle, char *name, | |
66cbd3ab | 1880 | u8 *mac_addr, u32 flags, u8 bssidx) |
cf2b4488 HP |
1881 | { |
1882 | dhd_if_t *ifp; | |
1883 | ||
1884 | DHD_TRACE(("%s: idx %d, handle->%p\n", __func__, ifidx, handle)); | |
1885 | ||
1886 | ASSERT(dhd && (ifidx < DHD_MAX_IFS)); | |
1887 | ||
1888 | ifp = dhd->iflist[ifidx]; | |
5fcc1fcb | 1889 | if (!ifp && !(ifp = kmalloc(sizeof(dhd_if_t), GFP_ATOMIC))) { |
cf2b4488 HP |
1890 | DHD_ERROR(("%s: OOM - dhd_if_t\n", __func__)); |
1891 | return -ENOMEM; | |
1892 | } | |
1893 | ||
1894 | memset(ifp, 0, sizeof(dhd_if_t)); | |
1895 | ifp->info = dhd; | |
1896 | dhd->iflist[ifidx] = ifp; | |
cbf6baac | 1897 | strlcpy(ifp->name, name, IFNAMSIZ); |
cf2b4488 HP |
1898 | if (mac_addr != NULL) |
1899 | memcpy(&ifp->mac_addr, mac_addr, ETHER_ADDR_LEN); | |
1900 | ||
1901 | if (handle == NULL) { | |
1902 | ifp->state = WLC_E_IF_ADD; | |
1903 | ifp->idx = ifidx; | |
d809dcb9 | 1904 | ASSERT(dhd->sysioc_tsk); |
cf2b4488 HP |
1905 | up(&dhd->sysioc_sem); |
1906 | } else | |
1907 | ifp->net = (struct net_device *)handle; | |
1908 | ||
1909 | return 0; | |
1910 | } | |
1911 | ||
1912 | void dhd_del_if(dhd_info_t *dhd, int ifidx) | |
1913 | { | |
1914 | dhd_if_t *ifp; | |
1915 | ||
1916 | DHD_TRACE(("%s: idx %d\n", __func__, ifidx)); | |
1917 | ||
1918 | ASSERT(dhd && ifidx && (ifidx < DHD_MAX_IFS)); | |
1919 | ifp = dhd->iflist[ifidx]; | |
1920 | if (!ifp) { | |
1921 | DHD_ERROR(("%s: Null interface\n", __func__)); | |
1922 | return; | |
1923 | } | |
1924 | ||
1925 | ifp->state = WLC_E_IF_DEL; | |
1926 | ifp->idx = ifidx; | |
d809dcb9 | 1927 | ASSERT(dhd->sysioc_tsk); |
cf2b4488 HP |
1928 | up(&dhd->sysioc_sem); |
1929 | } | |
1930 | ||
e69284f2 BR |
1931 | dhd_pub_t *dhd_attach(struct osl_info *osh, struct dhd_bus *bus, |
1932 | uint bus_hdrlen) | |
cf2b4488 HP |
1933 | { |
1934 | dhd_info_t *dhd = NULL; | |
1935 | struct net_device *net; | |
1936 | ||
1937 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1938 | /* updates firmware nvram path if it was provided as module | |
1939 | paramters */ | |
1940 | if ((firmware_path != NULL) && (firmware_path[0] != '\0')) | |
1941 | strcpy(fw_path, firmware_path); | |
1942 | if ((nvram_path != NULL) && (nvram_path[0] != '\0')) | |
1943 | strcpy(nv_path, nvram_path); | |
1944 | ||
1945 | /* Allocate etherdev, including space for private structure */ | |
a618cc28 JC |
1946 | net = alloc_etherdev(sizeof(dhd)); |
1947 | if (!net) { | |
cf2b4488 HP |
1948 | DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); |
1949 | goto fail; | |
1950 | } | |
1951 | ||
1952 | /* Allocate primary dhd_info */ | |
5fcc1fcb | 1953 | dhd = kmalloc(sizeof(dhd_info_t), GFP_ATOMIC); |
a618cc28 | 1954 | if (!dhd) { |
cf2b4488 HP |
1955 | DHD_ERROR(("%s: OOM - alloc dhd_info\n", __func__)); |
1956 | goto fail; | |
1957 | } | |
1958 | ||
1959 | memset(dhd, 0, sizeof(dhd_info_t)); | |
1960 | ||
1961 | /* | |
1962 | * Save the dhd_info into the priv | |
1963 | */ | |
1964 | memcpy(netdev_priv(net), &dhd, sizeof(dhd)); | |
1965 | dhd->pub.osh = osh; | |
1966 | ||
1967 | /* Set network interface name if it was provided as module parameter */ | |
1968 | if (iface_name[0]) { | |
1969 | int len; | |
1970 | char ch; | |
1971 | strncpy(net->name, iface_name, IFNAMSIZ); | |
1972 | net->name[IFNAMSIZ - 1] = 0; | |
1973 | len = strlen(net->name); | |
1974 | ch = net->name[len - 1]; | |
1975 | if ((ch > '9' || ch < '0') && (len < IFNAMSIZ - 2)) | |
1976 | strcat(net->name, "%d"); | |
1977 | } | |
1978 | ||
1979 | if (dhd_add_if(dhd, 0, (void *)net, net->name, NULL, 0, 0) == | |
1980 | DHD_BAD_IF) | |
1981 | goto fail; | |
1982 | ||
1983 | net->netdev_ops = NULL; | |
45f4d024 | 1984 | sema_init(&dhd->proto_sem, 1); |
cf2b4488 HP |
1985 | /* Initialize other structure content */ |
1986 | init_waitqueue_head(&dhd->ioctl_resp_wait); | |
1987 | init_waitqueue_head(&dhd->ctrl_wait); | |
1988 | ||
1989 | /* Initialize the spinlocks */ | |
1990 | spin_lock_init(&dhd->sdlock); | |
1991 | spin_lock_init(&dhd->txqlock); | |
1992 | ||
1993 | /* Link to info module */ | |
1994 | dhd->pub.info = dhd; | |
1995 | ||
1996 | /* Link to bus module */ | |
1997 | dhd->pub.bus = bus; | |
1998 | dhd->pub.hdrlen = bus_hdrlen; | |
1999 | ||
2000 | /* Attach and link in the protocol */ | |
2001 | if (dhd_prot_attach(&dhd->pub) != 0) { | |
2002 | DHD_ERROR(("dhd_prot_attach failed\n")); | |
2003 | goto fail; | |
2004 | } | |
2005 | #if defined(CONFIG_WIRELESS_EXT) | |
2006 | /* Attach and link in the iw */ | |
2007 | if (wl_iw_attach(net, (void *)&dhd->pub) != 0) { | |
2008 | DHD_ERROR(("wl_iw_attach failed\n")); | |
2009 | goto fail; | |
2010 | } | |
1e8dd5b9 | 2011 | #endif /* defined(CONFIG_WIRELESS_EXT) */ |
cf2b4488 | 2012 | |
cf2b4488 HP |
2013 | /* Attach and link in the cfg80211 */ |
2014 | if (IS_CFG80211_FAVORITE()) { | |
2015 | if (unlikely(wl_cfg80211_attach(net, &dhd->pub))) { | |
2016 | DHD_ERROR(("wl_cfg80211_attach failed\n")); | |
2017 | goto fail; | |
2018 | } | |
2019 | if (!NO_FW_REQ()) { | |
2020 | strcpy(fw_path, wl_cfg80211_get_fwname()); | |
2021 | strcpy(nv_path, wl_cfg80211_get_nvramname()); | |
2022 | } | |
2023 | wl_cfg80211_dbg_level(DBG_CFG80211_GET()); | |
2024 | } | |
cf2b4488 HP |
2025 | |
2026 | /* Set up the watchdog timer */ | |
2027 | init_timer(&dhd->timer); | |
3deea904 | 2028 | dhd->timer.data = (unsigned long) dhd; |
cf2b4488 HP |
2029 | dhd->timer.function = dhd_watchdog; |
2030 | ||
2031 | /* Initialize thread based operation and lock */ | |
45f4d024 | 2032 | sema_init(&dhd->sdsem, 1); |
cf2b4488 | 2033 | if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0)) |
0f0881b0 | 2034 | dhd->threads_only = true; |
cf2b4488 | 2035 | else |
0965ae88 | 2036 | dhd->threads_only = false; |
cf2b4488 HP |
2037 | |
2038 | if (dhd_dpc_prio >= 0) { | |
2039 | /* Initialize watchdog thread */ | |
2040 | sema_init(&dhd->watchdog_sem, 0); | |
860708d9 JC |
2041 | dhd->watchdog_tsk = kthread_run(dhd_watchdog_thread, dhd, |
2042 | "dhd_watchdog"); | |
2043 | if (IS_ERR(dhd->watchdog_tsk)) { | |
2044 | printk(KERN_WARNING | |
2045 | "dhd_watchdog thread failed to start\n"); | |
2046 | dhd->watchdog_tsk = NULL; | |
2047 | } | |
cf2b4488 | 2048 | } else { |
860708d9 | 2049 | dhd->watchdog_tsk = NULL; |
cf2b4488 HP |
2050 | } |
2051 | ||
2052 | /* Set up the bottom half handler */ | |
2053 | if (dhd_dpc_prio >= 0) { | |
2054 | /* Initialize DPC thread */ | |
2055 | sema_init(&dhd->dpc_sem, 0); | |
ecd7559d JC |
2056 | dhd->dpc_tsk = kthread_run(dhd_dpc_thread, dhd, "dhd_dpc"); |
2057 | if (IS_ERR(dhd->dpc_tsk)) { | |
2058 | printk(KERN_WARNING | |
2059 | "dhd_dpc thread failed to start\n"); | |
2060 | dhd->dpc_tsk = NULL; | |
2061 | } | |
cf2b4488 | 2062 | } else { |
3deea904 | 2063 | tasklet_init(&dhd->tasklet, dhd_dpc, (unsigned long) dhd); |
ecd7559d | 2064 | dhd->dpc_tsk = NULL; |
cf2b4488 HP |
2065 | } |
2066 | ||
2067 | if (dhd_sysioc) { | |
2068 | sema_init(&dhd->sysioc_sem, 0); | |
d809dcb9 JC |
2069 | dhd->sysioc_tsk = kthread_run(_dhd_sysioc_thread, dhd, |
2070 | "_dhd_sysioc"); | |
2071 | if (IS_ERR(dhd->sysioc_tsk)) { | |
2072 | printk(KERN_WARNING | |
2073 | "_dhd_sysioc thread failed to start\n"); | |
2074 | dhd->sysioc_tsk = NULL; | |
2075 | } | |
2076 | } else | |
2077 | dhd->sysioc_tsk = NULL; | |
cf2b4488 HP |
2078 | |
2079 | /* | |
2080 | * Save the dhd_info into the priv | |
2081 | */ | |
2082 | memcpy(netdev_priv(net), &dhd, sizeof(dhd)); | |
2083 | ||
2084 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2085 | g_bus = bus; | |
2086 | #endif | |
2087 | #if defined(CONFIG_PM_SLEEP) | |
2088 | register_pm_notifier(&dhd_sleep_pm_notifier); | |
2089 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
2090 | /* && defined(DHD_GPL) */ | |
2091 | /* Init lock suspend to prevent kernel going to suspend */ | |
2092 | WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_TMOUT, "dhd_wake_lock"); | |
2093 | WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_LINK_DOWN_TMOUT, | |
2094 | "dhd_wake_lock_link_dw_event"); | |
2095 | WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_PNO_FIND_TMOUT, | |
2096 | "dhd_wake_lock_link_pno_find_event"); | |
2097 | #ifdef CONFIG_HAS_EARLYSUSPEND | |
2098 | dhd->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 20; | |
2099 | dhd->early_suspend.suspend = dhd_early_suspend; | |
2100 | dhd->early_suspend.resume = dhd_late_resume; | |
2101 | register_early_suspend(&dhd->early_suspend); | |
2102 | #endif | |
2103 | ||
2104 | return &dhd->pub; | |
2105 | ||
2106 | fail: | |
2107 | if (net) | |
2108 | free_netdev(net); | |
2109 | if (dhd) | |
2110 | dhd_detach(&dhd->pub); | |
2111 | ||
2112 | return NULL; | |
2113 | } | |
2114 | ||
2115 | int dhd_bus_start(dhd_pub_t *dhdp) | |
2116 | { | |
2117 | int ret = -1; | |
2118 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
2119 | #ifdef EMBEDDED_PLATFORM | |
2120 | char iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + | |
2121 | '\0' + bitvec */ | |
2122 | #endif /* EMBEDDED_PLATFORM */ | |
2123 | ||
2124 | ASSERT(dhd); | |
2125 | ||
2126 | DHD_TRACE(("%s:\n", __func__)); | |
2127 | ||
2128 | /* try to download image and nvram to the dongle */ | |
2129 | if (dhd->pub.busstate == DHD_BUS_DOWN) { | |
2130 | WAKE_LOCK_INIT(dhdp, WAKE_LOCK_DOWNLOAD, "dhd_bus_start"); | |
2131 | WAKE_LOCK(dhdp, WAKE_LOCK_DOWNLOAD); | |
2132 | if (!(dhd_bus_download_firmware(dhd->pub.bus, dhd->pub.osh, | |
2133 | fw_path, nv_path))) { | |
2134 | DHD_ERROR(("%s: dhdsdio_probe_download failed. " | |
2135 | "firmware = %s nvram = %s\n", | |
2136 | __func__, fw_path, nv_path)); | |
2137 | WAKE_UNLOCK(dhdp, WAKE_LOCK_DOWNLOAD); | |
2138 | WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_DOWNLOAD); | |
2139 | return -1; | |
2140 | } | |
2141 | ||
2142 | WAKE_UNLOCK(dhdp, WAKE_LOCK_DOWNLOAD); | |
2143 | WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_DOWNLOAD); | |
2144 | } | |
2145 | ||
2146 | /* Start the watchdog timer */ | |
2147 | dhd->pub.tickcnt = 0; | |
2148 | dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms); | |
2149 | ||
2150 | /* Bring up the bus */ | |
0f0881b0 | 2151 | ret = dhd_bus_init(&dhd->pub, true); |
a618cc28 | 2152 | if (ret != 0) { |
cf2b4488 HP |
2153 | DHD_ERROR(("%s, dhd_bus_init failed %d\n", __func__, ret)); |
2154 | return ret; | |
2155 | } | |
2156 | #if defined(OOB_INTR_ONLY) | |
2157 | /* Host registration for OOB interrupt */ | |
2158 | if (bcmsdh_register_oob_intr(dhdp)) { | |
2159 | del_timer_sync(&dhd->timer); | |
0965ae88 | 2160 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2161 | DHD_ERROR(("%s Host failed to resgister for OOB\n", __func__)); |
2162 | return -ENODEV; | |
2163 | } | |
2164 | ||
2165 | /* Enable oob at firmware */ | |
0f0881b0 | 2166 | dhd_enable_oob_intr(dhd->pub.bus, true); |
cf2b4488 HP |
2167 | #endif /* defined(OOB_INTR_ONLY) */ |
2168 | ||
2169 | /* If bus is not ready, can't come up */ | |
2170 | if (dhd->pub.busstate != DHD_BUS_DATA) { | |
2171 | del_timer_sync(&dhd->timer); | |
0965ae88 | 2172 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2173 | DHD_ERROR(("%s failed bus is not ready\n", __func__)); |
2174 | return -ENODEV; | |
2175 | } | |
2176 | #ifdef EMBEDDED_PLATFORM | |
2177 | bcm_mkiovar("event_msgs", dhdp->eventmask, WL_EVENTING_MASK_LEN, iovbuf, | |
2178 | sizeof(iovbuf)); | |
2179 | dhdcdc_query_ioctl(dhdp, 0, WLC_GET_VAR, iovbuf, sizeof(iovbuf)); | |
2180 | bcopy(iovbuf, dhdp->eventmask, WL_EVENTING_MASK_LEN); | |
2181 | ||
2182 | setbit(dhdp->eventmask, WLC_E_SET_SSID); | |
2183 | setbit(dhdp->eventmask, WLC_E_PRUNE); | |
2184 | setbit(dhdp->eventmask, WLC_E_AUTH); | |
2185 | setbit(dhdp->eventmask, WLC_E_REASSOC); | |
2186 | setbit(dhdp->eventmask, WLC_E_REASSOC_IND); | |
2187 | setbit(dhdp->eventmask, WLC_E_DEAUTH_IND); | |
2188 | setbit(dhdp->eventmask, WLC_E_DISASSOC_IND); | |
2189 | setbit(dhdp->eventmask, WLC_E_DISASSOC); | |
2190 | setbit(dhdp->eventmask, WLC_E_JOIN); | |
2191 | setbit(dhdp->eventmask, WLC_E_ASSOC_IND); | |
2192 | setbit(dhdp->eventmask, WLC_E_PSK_SUP); | |
2193 | setbit(dhdp->eventmask, WLC_E_LINK); | |
2194 | setbit(dhdp->eventmask, WLC_E_NDIS_LINK); | |
2195 | setbit(dhdp->eventmask, WLC_E_MIC_ERROR); | |
2196 | setbit(dhdp->eventmask, WLC_E_PMKID_CACHE); | |
2197 | setbit(dhdp->eventmask, WLC_E_TXFAIL); | |
2198 | setbit(dhdp->eventmask, WLC_E_JOIN_START); | |
2199 | setbit(dhdp->eventmask, WLC_E_SCAN_COMPLETE); | |
2200 | #ifdef PNO_SUPPORT | |
2201 | setbit(dhdp->eventmask, WLC_E_PFN_NET_FOUND); | |
2202 | #endif /* PNO_SUPPORT */ | |
2203 | ||
2204 | /* enable dongle roaming event */ | |
2205 | ||
2206 | dhdp->pktfilter_count = 1; | |
2207 | /* Setup filter to allow only unicast */ | |
2208 | dhdp->pktfilter[0] = "100 0 0 0 0x01 0x00"; | |
2209 | #endif /* EMBEDDED_PLATFORM */ | |
2210 | ||
2211 | /* Bus is ready, do any protocol initialization */ | |
a618cc28 JC |
2212 | ret = dhd_prot_init(&dhd->pub); |
2213 | if (ret < 0) | |
cf2b4488 HP |
2214 | return ret; |
2215 | ||
2216 | return 0; | |
2217 | } | |
2218 | ||
2219 | int | |
2220 | dhd_iovar(dhd_pub_t *pub, int ifidx, char *name, char *cmd_buf, uint cmd_len, | |
2221 | int set) | |
2222 | { | |
2223 | char buf[strlen(name) + 1 + cmd_len]; | |
2224 | int len = sizeof(buf); | |
2225 | wl_ioctl_t ioc; | |
2226 | int ret; | |
2227 | ||
2228 | len = bcm_mkiovar(name, cmd_buf, cmd_len, buf, len); | |
2229 | ||
2230 | memset(&ioc, 0, sizeof(ioc)); | |
2231 | ||
2232 | ioc.cmd = set ? WLC_SET_VAR : WLC_GET_VAR; | |
2233 | ioc.buf = buf; | |
2234 | ioc.len = len; | |
2235 | ioc.set = set; | |
2236 | ||
2237 | ret = dhd_prot_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len); | |
2238 | if (!set && ret >= 0) | |
2239 | memcpy(cmd_buf, buf, cmd_len); | |
2240 | ||
2241 | return ret; | |
2242 | } | |
2243 | ||
2244 | static struct net_device_ops dhd_ops_pri = { | |
2245 | .ndo_open = dhd_open, | |
2246 | .ndo_stop = dhd_stop, | |
2247 | .ndo_get_stats = dhd_get_stats, | |
2248 | .ndo_do_ioctl = dhd_ioctl_entry, | |
2249 | .ndo_start_xmit = dhd_start_xmit, | |
2250 | .ndo_set_mac_address = dhd_set_mac_address, | |
2251 | .ndo_set_multicast_list = dhd_set_multicast_list | |
2252 | }; | |
2253 | ||
2254 | static struct net_device_ops dhd_ops_virt = { | |
2255 | .ndo_get_stats = dhd_get_stats, | |
2256 | .ndo_do_ioctl = dhd_ioctl_entry, | |
2257 | .ndo_start_xmit = dhd_start_xmit, | |
2258 | .ndo_set_mac_address = dhd_set_mac_address, | |
2259 | .ndo_set_multicast_list = dhd_set_multicast_list | |
2260 | }; | |
2261 | ||
2262 | int dhd_net_attach(dhd_pub_t *dhdp, int ifidx) | |
2263 | { | |
2264 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
2265 | struct net_device *net; | |
3fd79f7c | 2266 | u8 temp_addr[ETHER_ADDR_LEN] = { |
cf2b4488 HP |
2267 | 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33}; |
2268 | ||
2269 | DHD_TRACE(("%s: ifidx %d\n", __func__, ifidx)); | |
2270 | ||
2271 | ASSERT(dhd && dhd->iflist[ifidx]); | |
2272 | ||
2273 | net = dhd->iflist[ifidx]->net; | |
2274 | ASSERT(net); | |
2275 | ||
2276 | ASSERT(!net->netdev_ops); | |
cf2b4488 HP |
2277 | net->netdev_ops = &dhd_ops_pri; |
2278 | ||
2279 | /* | |
2280 | * We have to use the primary MAC for virtual interfaces | |
2281 | */ | |
2282 | if (ifidx != 0) { | |
2283 | /* for virtual interfaces use the primary MAC */ | |
2284 | memcpy(temp_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN); | |
2285 | ||
2286 | } | |
2287 | ||
2288 | if (ifidx == 1) { | |
2289 | DHD_TRACE(("%s ACCESS POINT MAC: \n", __func__)); | |
2290 | /* ACCESSPOINT INTERFACE CASE */ | |
2291 | temp_addr[0] |= 0X02; /* set bit 2 , | |
2292 | - Locally Administered address */ | |
2293 | ||
2294 | } | |
2295 | net->hard_header_len = ETH_HLEN + dhd->pub.hdrlen; | |
2296 | net->ethtool_ops = &dhd_ethtool_ops; | |
2297 | ||
2298 | #if defined(CONFIG_WIRELESS_EXT) | |
cf2b4488 | 2299 | if (!IS_CFG80211_FAVORITE()) { |
cf2b4488 HP |
2300 | #if WIRELESS_EXT < 19 |
2301 | net->get_wireless_stats = dhd_get_wireless_stats; | |
2302 | #endif /* WIRELESS_EXT < 19 */ | |
2303 | #if WIRELESS_EXT > 12 | |
2304 | net->wireless_handlers = | |
2305 | (struct iw_handler_def *)&wl_iw_handler_def; | |
2306 | #endif /* WIRELESS_EXT > 12 */ | |
cf2b4488 | 2307 | } |
cf2b4488 HP |
2308 | #endif /* defined(CONFIG_WIRELESS_EXT) */ |
2309 | ||
2310 | dhd->pub.rxsz = net->mtu + net->hard_header_len + dhd->pub.hdrlen; | |
2311 | ||
2312 | memcpy(net->dev_addr, temp_addr, ETHER_ADDR_LEN); | |
2313 | ||
2314 | if (register_netdev(net) != 0) { | |
2315 | DHD_ERROR(("%s: couldn't register the net device\n", | |
2316 | __func__)); | |
2317 | goto fail; | |
2318 | } | |
2319 | ||
2320 | printf("%s: Broadcom Dongle Host Driver\n", net->name); | |
2321 | ||
2322 | return 0; | |
2323 | ||
2324 | fail: | |
2325 | net->netdev_ops = NULL; | |
2326 | return BCME_ERROR; | |
2327 | } | |
2328 | ||
2329 | void dhd_bus_detach(dhd_pub_t *dhdp) | |
2330 | { | |
2331 | dhd_info_t *dhd; | |
2332 | ||
2333 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2334 | ||
2335 | if (dhdp) { | |
2336 | dhd = (dhd_info_t *) dhdp->info; | |
2337 | if (dhd) { | |
2338 | /* Stop the protocol module */ | |
2339 | dhd_prot_stop(&dhd->pub); | |
2340 | ||
2341 | /* Stop the bus module */ | |
0f0881b0 | 2342 | dhd_bus_stop(dhd->pub.bus, true); |
cf2b4488 HP |
2343 | #if defined(OOB_INTR_ONLY) |
2344 | bcmsdh_unregister_oob_intr(); | |
2345 | #endif /* defined(OOB_INTR_ONLY) */ | |
2346 | ||
2347 | /* Clear the watchdog timer */ | |
2348 | del_timer_sync(&dhd->timer); | |
0965ae88 | 2349 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2350 | } |
2351 | } | |
2352 | } | |
2353 | ||
2354 | void dhd_detach(dhd_pub_t *dhdp) | |
2355 | { | |
2356 | dhd_info_t *dhd; | |
2357 | ||
2358 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2359 | ||
2360 | if (dhdp) { | |
2361 | dhd = (dhd_info_t *) dhdp->info; | |
2362 | if (dhd) { | |
2363 | dhd_if_t *ifp; | |
2364 | int i; | |
2365 | ||
2366 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
2367 | if (dhd->early_suspend.suspend) | |
2368 | unregister_early_suspend(&dhd->early_suspend); | |
2369 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
2370 | ||
2371 | for (i = 1; i < DHD_MAX_IFS; i++) | |
2372 | if (dhd->iflist[i]) | |
2373 | dhd_del_if(dhd, i); | |
2374 | ||
2375 | ifp = dhd->iflist[0]; | |
2376 | ASSERT(ifp); | |
2377 | if (ifp->net->netdev_ops == &dhd_ops_pri) { | |
2378 | dhd_stop(ifp->net); | |
2379 | unregister_netdev(ifp->net); | |
2380 | } | |
2381 | ||
860708d9 | 2382 | if (dhd->watchdog_tsk) { |
7356f429 | 2383 | send_sig(SIGTERM, dhd->watchdog_tsk, 1); |
860708d9 JC |
2384 | kthread_stop(dhd->watchdog_tsk); |
2385 | dhd->watchdog_tsk = NULL; | |
cf2b4488 HP |
2386 | } |
2387 | ||
ecd7559d | 2388 | if (dhd->dpc_tsk) { |
7356f429 | 2389 | send_sig(SIGTERM, dhd->dpc_tsk, 1); |
ecd7559d JC |
2390 | kthread_stop(dhd->dpc_tsk); |
2391 | dhd->dpc_tsk = NULL; | |
eeb8e46b | 2392 | } else |
cf2b4488 HP |
2393 | tasklet_kill(&dhd->tasklet); |
2394 | ||
d809dcb9 | 2395 | if (dhd->sysioc_tsk) { |
7356f429 | 2396 | send_sig(SIGTERM, dhd->sysioc_tsk, 1); |
d809dcb9 JC |
2397 | kthread_stop(dhd->sysioc_tsk); |
2398 | dhd->sysioc_tsk = NULL; | |
cf2b4488 HP |
2399 | } |
2400 | ||
2401 | dhd_bus_detach(dhdp); | |
2402 | ||
2403 | if (dhdp->prot) | |
2404 | dhd_prot_detach(dhdp); | |
2405 | ||
2406 | #if defined(CONFIG_WIRELESS_EXT) | |
2407 | wl_iw_detach(); | |
2408 | #endif /* (CONFIG_WIRELESS_EXT) */ | |
2409 | ||
cf2b4488 HP |
2410 | if (IS_CFG80211_FAVORITE()) |
2411 | wl_cfg80211_detach(); | |
cf2b4488 HP |
2412 | |
2413 | #if defined(CONFIG_PM_SLEEP) | |
2414 | unregister_pm_notifier(&dhd_sleep_pm_notifier); | |
2415 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
2416 | /* && defined(DHD_GPL) */ | |
2417 | WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_TMOUT); | |
2418 | WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_LINK_DOWN_TMOUT); | |
2419 | WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_PNO_FIND_TMOUT); | |
2420 | free_netdev(ifp->net); | |
182acb3c | 2421 | kfree(ifp); |
2422 | kfree(dhd); | |
cf2b4488 HP |
2423 | } |
2424 | } | |
2425 | } | |
2426 | ||
2427 | static void __exit dhd_module_cleanup(void) | |
2428 | { | |
2429 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2430 | ||
2431 | dhd_bus_unregister(); | |
2432 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2433 | wifi_del_dev(); | |
2434 | #endif | |
2435 | /* Call customer gpio to turn off power with WL_REG_ON signal */ | |
2436 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF); | |
2437 | } | |
2438 | ||
2439 | static int __init dhd_module_init(void) | |
2440 | { | |
2441 | int error; | |
2442 | ||
2443 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2444 | ||
2445 | /* Sanity check on the module parameters */ | |
2446 | do { | |
2447 | /* Both watchdog and DPC as tasklets are ok */ | |
2448 | if ((dhd_watchdog_prio < 0) && (dhd_dpc_prio < 0)) | |
2449 | break; | |
2450 | ||
2451 | /* If both watchdog and DPC are threads, TX must be deferred */ | |
2452 | if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0) | |
2453 | && dhd_deferred_tx) | |
2454 | break; | |
2455 | ||
2456 | DHD_ERROR(("Invalid module parameters.\n")); | |
2457 | return -EINVAL; | |
2458 | } while (0); | |
2459 | /* Call customer gpio to turn on power with WL_REG_ON signal */ | |
2460 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_ON); | |
2461 | ||
2462 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2463 | sema_init(&wifi_control_sem, 0); | |
2464 | ||
2465 | error = wifi_add_dev(); | |
2466 | if (error) { | |
2467 | DHD_ERROR(("%s: platform_driver_register failed\n", __func__)); | |
2468 | goto faild; | |
2469 | } | |
2470 | ||
2471 | /* Waiting callback after platform_driver_register is done or | |
2472 | exit with error */ | |
2473 | if (down_timeout(&wifi_control_sem, msecs_to_jiffies(1000)) != 0) { | |
2474 | printk(KERN_ERR "%s: platform_driver_register timeout\n", | |
2475 | __func__); | |
2476 | /* remove device */ | |
2477 | wifi_del_dev(); | |
2478 | goto faild; | |
2479 | } | |
2480 | #endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ | |
2481 | ||
2482 | error = dhd_bus_register(); | |
2483 | ||
2484 | if (!error) | |
2485 | printf("\n%s\n", dhd_version); | |
2486 | else { | |
2487 | DHD_ERROR(("%s: sdio_register_driver failed\n", __func__)); | |
2488 | goto faild; | |
2489 | } | |
2490 | return error; | |
2491 | ||
2492 | faild: | |
2493 | /* turn off power and exit */ | |
2494 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF); | |
2495 | return -EINVAL; | |
2496 | } | |
2497 | ||
2498 | module_init(dhd_module_init); | |
2499 | module_exit(dhd_module_cleanup); | |
2500 | ||
2501 | /* | |
2502 | * OS specific functions required to implement DHD driver in OS independent way | |
2503 | */ | |
2504 | int dhd_os_proto_block(dhd_pub_t *pub) | |
2505 | { | |
2506 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2507 | ||
2508 | if (dhd) { | |
2509 | down(&dhd->proto_sem); | |
2510 | return 1; | |
2511 | } | |
2512 | return 0; | |
2513 | } | |
2514 | ||
2515 | int dhd_os_proto_unblock(dhd_pub_t *pub) | |
2516 | { | |
2517 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2518 | ||
2519 | if (dhd) { | |
2520 | up(&dhd->proto_sem); | |
2521 | return 1; | |
2522 | } | |
2523 | ||
2524 | return 0; | |
2525 | } | |
2526 | ||
2527 | unsigned int dhd_os_get_ioctl_resp_timeout(void) | |
2528 | { | |
2529 | return (unsigned int)dhd_ioctl_timeout_msec; | |
2530 | } | |
2531 | ||
2532 | void dhd_os_set_ioctl_resp_timeout(unsigned int timeout_msec) | |
2533 | { | |
2534 | dhd_ioctl_timeout_msec = (int)timeout_msec; | |
2535 | } | |
2536 | ||
2537 | int dhd_os_ioctl_resp_wait(dhd_pub_t *pub, uint *condition, bool *pending) | |
2538 | { | |
2539 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2540 | DECLARE_WAITQUEUE(wait, current); | |
2541 | int timeout = dhd_ioctl_timeout_msec; | |
2542 | ||
2543 | /* Convert timeout in millsecond to jiffies */ | |
2544 | timeout = timeout * HZ / 1000; | |
2545 | ||
2546 | /* Wait until control frame is available */ | |
2547 | add_wait_queue(&dhd->ioctl_resp_wait, &wait); | |
2548 | set_current_state(TASK_INTERRUPTIBLE); | |
2549 | ||
2550 | while (!(*condition) && (!signal_pending(current) && timeout)) | |
2551 | timeout = schedule_timeout(timeout); | |
2552 | ||
2553 | if (signal_pending(current)) | |
0f0881b0 | 2554 | *pending = true; |
cf2b4488 HP |
2555 | |
2556 | set_current_state(TASK_RUNNING); | |
2557 | remove_wait_queue(&dhd->ioctl_resp_wait, &wait); | |
2558 | ||
2559 | return timeout; | |
2560 | } | |
2561 | ||
2562 | int dhd_os_ioctl_resp_wake(dhd_pub_t *pub) | |
2563 | { | |
2564 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2565 | ||
2566 | if (waitqueue_active(&dhd->ioctl_resp_wait)) | |
2567 | wake_up_interruptible(&dhd->ioctl_resp_wait); | |
2568 | ||
2569 | return 0; | |
2570 | } | |
2571 | ||
2572 | void dhd_os_wd_timer(void *bus, uint wdtick) | |
2573 | { | |
2574 | dhd_pub_t *pub = bus; | |
5f782dee | 2575 | static uint save_dhd_watchdog_ms; |
cf2b4488 HP |
2576 | dhd_info_t *dhd = (dhd_info_t *) pub->info; |
2577 | ||
2578 | /* don't start the wd until fw is loaded */ | |
2579 | if (pub->busstate == DHD_BUS_DOWN) | |
2580 | return; | |
2581 | ||
2582 | /* Totally stop the timer */ | |
0f0881b0 | 2583 | if (!wdtick && dhd->wd_timer_valid == true) { |
cf2b4488 | 2584 | del_timer_sync(&dhd->timer); |
0965ae88 | 2585 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2586 | save_dhd_watchdog_ms = wdtick; |
2587 | return; | |
2588 | } | |
2589 | ||
2590 | if (wdtick) { | |
2591 | dhd_watchdog_ms = (uint) wdtick; | |
2592 | ||
2593 | if (save_dhd_watchdog_ms != dhd_watchdog_ms) { | |
2594 | ||
0f0881b0 | 2595 | if (dhd->wd_timer_valid == true) |
cf2b4488 HP |
2596 | /* Stop timer and restart at new value */ |
2597 | del_timer_sync(&dhd->timer); | |
2598 | ||
2599 | /* Create timer again when watchdog period is | |
2600 | dynamically changed or in the first instance | |
2601 | */ | |
2602 | dhd->timer.expires = | |
2603 | jiffies + dhd_watchdog_ms * HZ / 1000; | |
2604 | add_timer(&dhd->timer); | |
2605 | ||
2606 | } else { | |
2607 | /* Re arm the timer, at last watchdog period */ | |
2608 | mod_timer(&dhd->timer, | |
2609 | jiffies + dhd_watchdog_ms * HZ / 1000); | |
2610 | } | |
2611 | ||
0f0881b0 | 2612 | dhd->wd_timer_valid = true; |
cf2b4488 HP |
2613 | save_dhd_watchdog_ms = wdtick; |
2614 | } | |
2615 | } | |
2616 | ||
2617 | void *dhd_os_open_image(char *filename) | |
2618 | { | |
2619 | struct file *fp; | |
2620 | ||
cf2b4488 HP |
2621 | if (IS_CFG80211_FAVORITE() && !NO_FW_REQ()) |
2622 | return wl_cfg80211_request_fw(filename); | |
cf2b4488 HP |
2623 | |
2624 | fp = filp_open(filename, O_RDONLY, 0); | |
2625 | /* | |
2626 | * 2.6.11 (FC4) supports filp_open() but later revs don't? | |
2627 | * Alternative: | |
2628 | * fp = open_namei(AT_FDCWD, filename, O_RD, 0); | |
2629 | * ??? | |
2630 | */ | |
2631 | if (IS_ERR(fp)) | |
2632 | fp = NULL; | |
2633 | ||
2634 | return fp; | |
2635 | } | |
2636 | ||
2637 | int dhd_os_get_image_block(char *buf, int len, void *image) | |
2638 | { | |
2639 | struct file *fp = (struct file *)image; | |
2640 | int rdlen; | |
2641 | ||
cf2b4488 HP |
2642 | if (IS_CFG80211_FAVORITE() && !NO_FW_REQ()) |
2643 | return wl_cfg80211_read_fw(buf, len); | |
cf2b4488 HP |
2644 | |
2645 | if (!image) | |
2646 | return 0; | |
2647 | ||
2648 | rdlen = kernel_read(fp, fp->f_pos, buf, len); | |
2649 | if (rdlen > 0) | |
2650 | fp->f_pos += rdlen; | |
2651 | ||
2652 | return rdlen; | |
2653 | } | |
2654 | ||
2655 | void dhd_os_close_image(void *image) | |
2656 | { | |
cf2b4488 HP |
2657 | if (IS_CFG80211_FAVORITE() && !NO_FW_REQ()) |
2658 | return wl_cfg80211_release_fw(); | |
cf2b4488 HP |
2659 | if (image) |
2660 | filp_close((struct file *)image, NULL); | |
2661 | } | |
2662 | ||
2663 | void dhd_os_sdlock(dhd_pub_t *pub) | |
2664 | { | |
2665 | dhd_info_t *dhd; | |
2666 | ||
2667 | dhd = (dhd_info_t *) (pub->info); | |
2668 | ||
2669 | if (dhd->threads_only) | |
2670 | down(&dhd->sdsem); | |
2671 | else | |
2672 | spin_lock_bh(&dhd->sdlock); | |
2673 | } | |
2674 | ||
2675 | void dhd_os_sdunlock(dhd_pub_t *pub) | |
2676 | { | |
2677 | dhd_info_t *dhd; | |
2678 | ||
2679 | dhd = (dhd_info_t *) (pub->info); | |
2680 | ||
2681 | if (dhd->threads_only) | |
2682 | up(&dhd->sdsem); | |
2683 | else | |
2684 | spin_unlock_bh(&dhd->sdlock); | |
2685 | } | |
2686 | ||
2687 | void dhd_os_sdlock_txq(dhd_pub_t *pub) | |
2688 | { | |
2689 | dhd_info_t *dhd; | |
2690 | ||
2691 | dhd = (dhd_info_t *) (pub->info); | |
2692 | spin_lock_bh(&dhd->txqlock); | |
2693 | } | |
2694 | ||
2695 | void dhd_os_sdunlock_txq(dhd_pub_t *pub) | |
2696 | { | |
2697 | dhd_info_t *dhd; | |
2698 | ||
2699 | dhd = (dhd_info_t *) (pub->info); | |
2700 | spin_unlock_bh(&dhd->txqlock); | |
2701 | } | |
2702 | ||
2703 | void dhd_os_sdlock_rxq(dhd_pub_t *pub) | |
2704 | { | |
2705 | } | |
2706 | ||
2707 | void dhd_os_sdunlock_rxq(dhd_pub_t *pub) | |
2708 | { | |
2709 | } | |
2710 | ||
2711 | void dhd_os_sdtxlock(dhd_pub_t *pub) | |
2712 | { | |
2713 | dhd_os_sdlock(pub); | |
2714 | } | |
2715 | ||
2716 | void dhd_os_sdtxunlock(dhd_pub_t *pub) | |
2717 | { | |
2718 | dhd_os_sdunlock(pub); | |
2719 | } | |
2720 | ||
cf2b4488 HP |
2721 | #if defined(CONFIG_WIRELESS_EXT) |
2722 | struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev) | |
2723 | { | |
2724 | int res = 0; | |
2725 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
2726 | ||
2727 | res = wl_iw_get_wireless_stats(dev, &dhd->iw.wstats); | |
2728 | ||
2729 | if (res == 0) | |
2730 | return &dhd->iw.wstats; | |
2731 | else | |
2732 | return NULL; | |
2733 | } | |
2734 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
2735 | ||
2736 | static int | |
2737 | dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, | |
2738 | wl_event_msg_t *event, void **data) | |
2739 | { | |
2740 | int bcmerror = 0; | |
2741 | ||
2742 | ASSERT(dhd != NULL); | |
2743 | ||
2744 | bcmerror = wl_host_event(dhd, ifidx, pktdata, event, data); | |
2745 | if (bcmerror != BCME_OK) | |
2746 | return bcmerror; | |
2747 | ||
2748 | #if defined(CONFIG_WIRELESS_EXT) | |
cf2b4488 | 2749 | if (!IS_CFG80211_FAVORITE()) { |
cf2b4488 HP |
2750 | if ((dhd->iflist[*ifidx] == NULL) |
2751 | || (dhd->iflist[*ifidx]->net == NULL)) { | |
2752 | DHD_ERROR(("%s Exit null pointer\n", __func__)); | |
2753 | return bcmerror; | |
2754 | } | |
2755 | ||
2756 | if (dhd->iflist[*ifidx]->net) | |
2757 | wl_iw_event(dhd->iflist[*ifidx]->net, event, *data); | |
cf2b4488 | 2758 | } |
cf2b4488 HP |
2759 | #endif /* defined(CONFIG_WIRELESS_EXT) */ |
2760 | ||
cf2b4488 HP |
2761 | if (IS_CFG80211_FAVORITE()) { |
2762 | ASSERT(dhd->iflist[*ifidx] != NULL); | |
2763 | ASSERT(dhd->iflist[*ifidx]->net != NULL); | |
2764 | if (dhd->iflist[*ifidx]->net) | |
2765 | wl_cfg80211_event(dhd->iflist[*ifidx]->net, event, | |
2766 | *data); | |
2767 | } | |
cf2b4488 HP |
2768 | |
2769 | return bcmerror; | |
2770 | } | |
2771 | ||
2772 | /* send up locally generated event */ | |
2773 | void dhd_sendup_event(dhd_pub_t *dhdp, wl_event_msg_t *event, void *data) | |
2774 | { | |
2775 | switch (ntoh32(event->event_type)) { | |
2776 | default: | |
2777 | break; | |
2778 | } | |
2779 | } | |
2780 | ||
2781 | void dhd_wait_for_event(dhd_pub_t *dhd, bool *lockvar) | |
2782 | { | |
2783 | struct dhd_info *dhdinfo = dhd->info; | |
2784 | dhd_os_sdunlock(dhd); | |
2785 | wait_event_interruptible_timeout(dhdinfo->ctrl_wait, | |
0965ae88 | 2786 | (*lockvar == false), HZ * 2); |
cf2b4488 HP |
2787 | dhd_os_sdlock(dhd); |
2788 | return; | |
2789 | } | |
2790 | ||
2791 | void dhd_wait_event_wakeup(dhd_pub_t *dhd) | |
2792 | { | |
2793 | struct dhd_info *dhdinfo = dhd->info; | |
2794 | if (waitqueue_active(&dhdinfo->ctrl_wait)) | |
2795 | wake_up_interruptible(&dhdinfo->ctrl_wait); | |
2796 | return; | |
2797 | } | |
2798 | ||
3fd79f7c | 2799 | int dhd_dev_reset(struct net_device *dev, u8 flag) |
cf2b4488 HP |
2800 | { |
2801 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2802 | ||
2803 | /* Turning off watchdog */ | |
2804 | if (flag) | |
2805 | dhd_os_wd_timer(&dhd->pub, 0); | |
2806 | ||
2807 | dhd_bus_devreset(&dhd->pub, flag); | |
2808 | ||
2809 | /* Turning on watchdog back */ | |
2810 | if (!flag) | |
2811 | dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms); | |
2812 | DHD_ERROR(("%s: WLAN OFF DONE\n", __func__)); | |
2813 | ||
2814 | return 1; | |
2815 | } | |
2816 | ||
2817 | int net_os_set_suspend_disable(struct net_device *dev, int val) | |
2818 | { | |
2819 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2820 | int ret = 0; | |
2821 | ||
2822 | if (dhd) { | |
2823 | ret = dhd->pub.suspend_disable_flag; | |
2824 | dhd->pub.suspend_disable_flag = val; | |
2825 | } | |
2826 | return ret; | |
2827 | } | |
2828 | ||
2829 | int net_os_set_suspend(struct net_device *dev, int val) | |
2830 | { | |
2831 | int ret = 0; | |
2832 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
2833 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2834 | ||
2835 | if (dhd) { | |
2836 | dhd_os_proto_block(&dhd->pub); | |
2837 | ret = dhd_set_suspend(val, &dhd->pub); | |
2838 | dhd_os_proto_unblock(&dhd->pub); | |
2839 | } | |
2840 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
2841 | return ret; | |
2842 | } | |
2843 | ||
2844 | int net_os_set_dtim_skip(struct net_device *dev, int val) | |
2845 | { | |
2846 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
2847 | ||
2848 | if (dhd) | |
2849 | dhd->pub.dtim_skip = val; | |
2850 | ||
2851 | return 0; | |
2852 | } | |
2853 | ||
2854 | int net_os_set_packet_filter(struct net_device *dev, int val) | |
2855 | { | |
2856 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
2857 | int ret = 0; | |
2858 | ||
2859 | /* Packet filtering is set only if we still in early-suspend and | |
2860 | * we need either to turn it ON or turn it OFF | |
2861 | * We can always turn it OFF in case of early-suspend, but we turn it | |
2862 | * back ON only if suspend_disable_flag was not set | |
2863 | */ | |
2864 | if (dhd && dhd->pub.up) { | |
2865 | dhd_os_proto_block(&dhd->pub); | |
2866 | if (dhd->pub.in_suspend) { | |
2867 | if (!val || (val && !dhd->pub.suspend_disable_flag)) | |
2868 | dhd_set_packet_filter(val, &dhd->pub); | |
2869 | } | |
2870 | dhd_os_proto_unblock(&dhd->pub); | |
2871 | } | |
2872 | return ret; | |
2873 | } | |
2874 | ||
2875 | void dhd_dev_init_ioctl(struct net_device *dev) | |
2876 | { | |
2877 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2878 | ||
2879 | dhd_preinit_ioctls(&dhd->pub); | |
2880 | } | |
2881 | ||
2882 | #ifdef PNO_SUPPORT | |
2883 | /* Linux wrapper to call common dhd_pno_clean */ | |
2884 | int dhd_dev_pno_reset(struct net_device *dev) | |
2885 | { | |
2886 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2887 | ||
2888 | return dhd_pno_clean(&dhd->pub); | |
2889 | } | |
2890 | ||
2891 | /* Linux wrapper to call common dhd_pno_enable */ | |
2892 | int dhd_dev_pno_enable(struct net_device *dev, int pfn_enabled) | |
2893 | { | |
2894 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2895 | ||
2896 | return dhd_pno_enable(&dhd->pub, pfn_enabled); | |
2897 | } | |
2898 | ||
2899 | /* Linux wrapper to call common dhd_pno_set */ | |
2900 | int | |
2901 | dhd_dev_pno_set(struct net_device *dev, wlc_ssid_t *ssids_local, int nssid, | |
580a0bd9 | 2902 | unsigned char scan_fr) |
cf2b4488 HP |
2903 | { |
2904 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2905 | ||
2906 | return dhd_pno_set(&dhd->pub, ssids_local, nssid, scan_fr); | |
2907 | } | |
2908 | ||
2909 | /* Linux wrapper to get pno status */ | |
2910 | int dhd_dev_get_pno_status(struct net_device *dev) | |
2911 | { | |
2912 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2913 | ||
2914 | return dhd_pno_get_status(&dhd->pub); | |
2915 | } | |
2916 | ||
2917 | #endif /* PNO_SUPPORT */ | |
2918 | ||
2919 | static int dhd_get_pend_8021x_cnt(dhd_info_t *dhd) | |
2920 | { | |
2921 | return atomic_read(&dhd->pend_8021x_cnt); | |
2922 | } | |
2923 | ||
2924 | #define MAX_WAIT_FOR_8021X_TX 10 | |
2925 | ||
2926 | int dhd_wait_pend8021x(struct net_device *dev) | |
2927 | { | |
2928 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2929 | int timeout = 10 * HZ / 1000; | |
2930 | int ntimes = MAX_WAIT_FOR_8021X_TX; | |
2931 | int pend = dhd_get_pend_8021x_cnt(dhd); | |
2932 | ||
2933 | while (ntimes && pend) { | |
2934 | if (pend) { | |
2935 | set_current_state(TASK_INTERRUPTIBLE); | |
2936 | schedule_timeout(timeout); | |
2937 | set_current_state(TASK_RUNNING); | |
2938 | ntimes--; | |
2939 | } | |
2940 | pend = dhd_get_pend_8021x_cnt(dhd); | |
2941 | } | |
2942 | return pend; | |
2943 | } | |
2944 | ||
2945 | #ifdef DHD_DEBUG | |
3fd79f7c | 2946 | int write_to_file(dhd_pub_t *dhd, u8 *buf, int size) |
cf2b4488 HP |
2947 | { |
2948 | int ret = 0; | |
2949 | struct file *fp; | |
2950 | mm_segment_t old_fs; | |
2951 | loff_t pos = 0; | |
2952 | ||
2953 | /* change to KERNEL_DS address limit */ | |
2954 | old_fs = get_fs(); | |
2955 | set_fs(KERNEL_DS); | |
2956 | ||
2957 | /* open file to write */ | |
2958 | fp = filp_open("/tmp/mem_dump", O_WRONLY | O_CREAT, 0640); | |
2959 | if (!fp) { | |
2960 | printf("%s: open file error\n", __func__); | |
2961 | ret = -1; | |
2962 | goto exit; | |
2963 | } | |
2964 | ||
2965 | /* Write buf to file */ | |
2966 | fp->f_op->write(fp, buf, size, &pos); | |
2967 | ||
2968 | exit: | |
2969 | /* free buf before return */ | |
182acb3c | 2970 | kfree(buf); |
cf2b4488 HP |
2971 | /* close file before return */ |
2972 | if (fp) | |
2973 | filp_close(fp, current->files); | |
2974 | /* restore previous address limit */ | |
2975 | set_fs(old_fs); | |
2976 | ||
2977 | return ret; | |
2978 | } | |
2979 | #endif /* DHD_DEBUG */ |