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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> |
cf2b4488 | 35 | #include <bcmutils.h> |
cf2b4488 | 36 | |
cf2b4488 HP |
37 | #include <dngl_stats.h> |
38 | #include <dhd.h> | |
39 | #include <dhd_bus.h> | |
40 | #include <dhd_proto.h> | |
41 | #include <dhd_dbg.h> | |
42 | ||
cf2b4488 | 43 | #include <wl_cfg80211.h> |
cf2b4488 | 44 | |
c09240ac AS |
45 | #define EPI_VERSION_STR "4.218.248.5" |
46 | #define ETH_P_BRCM 0x886c | |
cf2b4488 HP |
47 | |
48 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
49 | #include <linux/wifi_tiwlan.h> | |
50 | ||
51 | struct semaphore wifi_control_sem; | |
52 | ||
53 | struct dhd_bus *g_bus; | |
54 | ||
5f782dee JC |
55 | static struct wifi_platform_data *wifi_control_data; |
56 | static struct resource *wifi_irqres; | |
cf2b4488 HP |
57 | |
58 | int wifi_get_irq_number(unsigned long *irq_flags_ptr) | |
59 | { | |
60 | if (wifi_irqres) { | |
61 | *irq_flags_ptr = wifi_irqres->flags & IRQF_TRIGGER_MASK; | |
62 | return (int)wifi_irqres->start; | |
63 | } | |
64 | #ifdef CUSTOM_OOB_GPIO_NUM | |
65 | return CUSTOM_OOB_GPIO_NUM; | |
66 | #else | |
67 | return -1; | |
68 | #endif | |
69 | } | |
70 | ||
71 | int wifi_set_carddetect(int on) | |
72 | { | |
73 | printk(KERN_ERR "%s = %d\n", __func__, on); | |
74 | if (wifi_control_data && wifi_control_data->set_carddetect) | |
75 | wifi_control_data->set_carddetect(on); | |
76 | return 0; | |
77 | } | |
78 | ||
79 | int wifi_set_power(int on, unsigned long msec) | |
80 | { | |
81 | printk(KERN_ERR "%s = %d\n", __func__, on); | |
82 | if (wifi_control_data && wifi_control_data->set_power) | |
83 | wifi_control_data->set_power(on); | |
84 | if (msec) | |
85 | mdelay(msec); | |
86 | return 0; | |
87 | } | |
88 | ||
89 | int wifi_set_reset(int on, unsigned long msec) | |
90 | { | |
91 | printk(KERN_ERR "%s = %d\n", __func__, on); | |
92 | if (wifi_control_data && wifi_control_data->set_reset) | |
93 | wifi_control_data->set_reset(on); | |
94 | if (msec) | |
95 | mdelay(msec); | |
96 | return 0; | |
97 | } | |
98 | ||
99 | static int wifi_probe(struct platform_device *pdev) | |
100 | { | |
101 | struct wifi_platform_data *wifi_ctrl = | |
102 | (struct wifi_platform_data *)(pdev->dev.platform_data); | |
103 | ||
104 | printk(KERN_ERR "## %s\n", __func__); | |
105 | wifi_irqres = | |
106 | platform_get_resource_byname(pdev, IORESOURCE_IRQ, | |
107 | "bcm4329_wlan_irq"); | |
108 | wifi_control_data = wifi_ctrl; | |
109 | ||
110 | wifi_set_power(1, 0); /* Power On */ | |
111 | wifi_set_carddetect(1); /* CardDetect (0->1) */ | |
112 | ||
113 | up(&wifi_control_sem); | |
114 | return 0; | |
115 | } | |
116 | ||
117 | static int wifi_remove(struct platform_device *pdev) | |
118 | { | |
119 | struct wifi_platform_data *wifi_ctrl = | |
120 | (struct wifi_platform_data *)(pdev->dev.platform_data); | |
121 | ||
122 | printk(KERN_ERR "## %s\n", __func__); | |
123 | wifi_control_data = wifi_ctrl; | |
124 | ||
125 | wifi_set_carddetect(0); /* CardDetect (1->0) */ | |
126 | wifi_set_power(0, 0); /* Power Off */ | |
127 | ||
128 | up(&wifi_control_sem); | |
129 | return 0; | |
130 | } | |
131 | ||
132 | static int wifi_suspend(struct platform_device *pdev, pm_message_t state) | |
133 | { | |
134 | DHD_TRACE(("##> %s\n", __func__)); | |
135 | return 0; | |
136 | } | |
137 | ||
138 | static int wifi_resume(struct platform_device *pdev) | |
139 | { | |
140 | DHD_TRACE(("##> %s\n", __func__)); | |
141 | return 0; | |
142 | } | |
143 | ||
144 | static struct platform_driver wifi_device = { | |
145 | .probe = wifi_probe, | |
146 | .remove = wifi_remove, | |
147 | .suspend = wifi_suspend, | |
148 | .resume = wifi_resume, | |
149 | .driver = { | |
c836f77f | 150 | .name = KBUILD_MODNAME, |
cf2b4488 HP |
151 | } |
152 | }; | |
153 | ||
154 | int wifi_add_dev(void) | |
155 | { | |
156 | DHD_TRACE(("## Calling platform_driver_register\n")); | |
157 | return platform_driver_register(&wifi_device); | |
158 | } | |
159 | ||
160 | void wifi_del_dev(void) | |
161 | { | |
162 | DHD_TRACE(("## Unregister platform_driver_register\n")); | |
163 | platform_driver_unregister(&wifi_device); | |
164 | } | |
165 | #endif /* defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ | |
166 | ||
167 | #if defined(CONFIG_PM_SLEEP) | |
168 | #include <linux/suspend.h> | |
0965ae88 | 169 | volatile bool dhd_mmc_suspend = false; |
cf2b4488 HP |
170 | DECLARE_WAIT_QUEUE_HEAD(dhd_dpc_wait); |
171 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
172 | ||
173 | #if defined(OOB_INTR_ONLY) | |
174 | extern void dhd_enable_oob_intr(struct dhd_bus *bus, bool enable); | |
175 | #endif /* defined(OOB_INTR_ONLY) */ | |
176 | ||
177 | MODULE_AUTHOR("Broadcom Corporation"); | |
178 | MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac driver."); | |
179 | MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac cards"); | |
180 | MODULE_LICENSE("Dual BSD/GPL"); | |
181 | ||
93ad12cf | 182 | #define DRV_MODULE_NAME "brcmfmac" |
183 | ||
cf2b4488 HP |
184 | /* Linux wireless extension support */ |
185 | #if defined(CONFIG_WIRELESS_EXT) | |
186 | #include <wl_iw.h> | |
187 | extern wl_iw_extra_params_t g_wl_iw_params; | |
188 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
189 | ||
190 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
191 | #include <linux/earlysuspend.h> | |
192 | extern int dhdcdc_set_ioctl(dhd_pub_t *dhd, int ifidx, uint cmd, void *buf, | |
193 | uint len); | |
194 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
195 | ||
196 | #ifdef PKT_FILTER_SUPPORT | |
197 | extern void dhd_pktfilter_offload_set(dhd_pub_t *dhd, char *arg); | |
198 | extern void dhd_pktfilter_offload_enable(dhd_pub_t *dhd, char *arg, int enable, | |
199 | int master_mode); | |
200 | #endif | |
201 | ||
202 | /* Interface control information */ | |
203 | typedef struct dhd_if { | |
204 | struct dhd_info *info; /* back pointer to dhd_info */ | |
205 | /* OS/stack specifics */ | |
206 | struct net_device *net; | |
207 | struct net_device_stats stats; | |
208 | int idx; /* iface idx in dongle */ | |
209 | int state; /* interface state */ | |
210 | uint subunit; /* subunit */ | |
b8d63078 | 211 | u8 mac_addr[ETH_ALEN]; /* assigned MAC address */ |
cf2b4488 HP |
212 | bool attached; /* Delayed attachment when unset */ |
213 | bool txflowcontrol; /* Per interface flow control indicator */ | |
cbf6baac | 214 | char name[IFNAMSIZ]; /* linux interface name */ |
cf2b4488 HP |
215 | } dhd_if_t; |
216 | ||
217 | /* Local private structure (extension of pub) */ | |
218 | typedef struct dhd_info { | |
219 | #if defined(CONFIG_WIRELESS_EXT) | |
220 | wl_iw_t iw; /* wireless extensions state (must be first) */ | |
221 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
222 | ||
223 | dhd_pub_t pub; | |
224 | ||
225 | /* OS/stack specifics */ | |
226 | dhd_if_t *iflist[DHD_MAX_IFS]; | |
227 | ||
228 | struct semaphore proto_sem; | |
229 | wait_queue_head_t ioctl_resp_wait; | |
230 | struct timer_list timer; | |
231 | bool wd_timer_valid; | |
232 | struct tasklet_struct tasklet; | |
233 | spinlock_t sdlock; | |
234 | spinlock_t txqlock; | |
235 | /* Thread based operation */ | |
236 | bool threads_only; | |
237 | struct semaphore sdsem; | |
860708d9 | 238 | struct task_struct *watchdog_tsk; |
cf2b4488 | 239 | struct semaphore watchdog_sem; |
ecd7559d | 240 | struct task_struct *dpc_tsk; |
cf2b4488 | 241 | struct semaphore dpc_sem; |
cf2b4488 HP |
242 | |
243 | /* Thread to issue ioctl for multicast */ | |
d809dcb9 | 244 | struct task_struct *sysioc_tsk; |
cf2b4488 | 245 | struct semaphore sysioc_sem; |
cf2b4488 HP |
246 | bool set_multicast; |
247 | bool set_macaddress; | |
a44d4236 | 248 | u8 macvalue[ETH_ALEN]; |
cf2b4488 HP |
249 | wait_queue_head_t ctrl_wait; |
250 | atomic_t pend_8021x_cnt; | |
251 | ||
252 | #ifdef CONFIG_HAS_EARLYSUSPEND | |
253 | struct early_suspend early_suspend; | |
254 | #endif /* CONFIG_HAS_EARLYSUSPEND */ | |
255 | } dhd_info_t; | |
256 | ||
257 | /* Definitions to provide path to the firmware and nvram | |
258 | * example nvram_path[MOD_PARAM_PATHLEN]="/projects/wlan/nvram.txt" | |
259 | */ | |
260 | char firmware_path[MOD_PARAM_PATHLEN]; | |
261 | char nvram_path[MOD_PARAM_PATHLEN]; | |
262 | ||
263 | /* load firmware and/or nvram values from the filesystem */ | |
264 | module_param_string(firmware_path, firmware_path, MOD_PARAM_PATHLEN, 0); | |
265 | module_param_string(nvram_path, nvram_path, MOD_PARAM_PATHLEN, 0); | |
266 | ||
267 | /* Error bits */ | |
268 | module_param(dhd_msg_level, int, 0); | |
269 | ||
270 | /* Spawn a thread for system ioctls (set mac, set mcast) */ | |
0f0881b0 | 271 | uint dhd_sysioc = true; |
cf2b4488 HP |
272 | module_param(dhd_sysioc, uint, 0); |
273 | ||
274 | /* Watchdog interval */ | |
275 | uint dhd_watchdog_ms = 10; | |
276 | module_param(dhd_watchdog_ms, uint, 0); | |
277 | ||
278 | #ifdef DHD_DEBUG | |
279 | /* Console poll interval */ | |
6998d337 | 280 | uint dhd_console_ms; |
cf2b4488 HP |
281 | module_param(dhd_console_ms, uint, 0); |
282 | #endif /* DHD_DEBUG */ | |
283 | ||
284 | /* ARP offload agent mode : Enable ARP Host Auto-Reply | |
285 | and ARP Peer Auto-Reply */ | |
286 | uint dhd_arp_mode = 0xb; | |
287 | module_param(dhd_arp_mode, uint, 0); | |
288 | ||
289 | /* ARP offload enable */ | |
0f0881b0 | 290 | uint dhd_arp_enable = true; |
cf2b4488 HP |
291 | module_param(dhd_arp_enable, uint, 0); |
292 | ||
293 | /* Global Pkt filter enable control */ | |
0f0881b0 | 294 | uint dhd_pkt_filter_enable = true; |
cf2b4488 HP |
295 | module_param(dhd_pkt_filter_enable, uint, 0); |
296 | ||
297 | /* Pkt filter init setup */ | |
6998d337 | 298 | uint dhd_pkt_filter_init; |
cf2b4488 HP |
299 | module_param(dhd_pkt_filter_init, uint, 0); |
300 | ||
301 | /* Pkt filter mode control */ | |
0f0881b0 | 302 | uint dhd_master_mode = true; |
cf2b4488 HP |
303 | module_param(dhd_master_mode, uint, 1); |
304 | ||
305 | /* Watchdog thread priority, -1 to use kernel timer */ | |
306 | int dhd_watchdog_prio = 97; | |
307 | module_param(dhd_watchdog_prio, int, 0); | |
308 | ||
309 | /* DPC thread priority, -1 to use tasklet */ | |
310 | int dhd_dpc_prio = 98; | |
311 | module_param(dhd_dpc_prio, int, 0); | |
312 | ||
313 | /* DPC thread priority, -1 to use tasklet */ | |
314 | extern int dhd_dongle_memsize; | |
315 | module_param(dhd_dongle_memsize, int, 0); | |
316 | ||
317 | /* Contorl fw roaming */ | |
318 | #ifdef CUSTOMER_HW2 | |
6998d337 | 319 | uint dhd_roam; |
cf2b4488 HP |
320 | #else |
321 | uint dhd_roam = 1; | |
322 | #endif | |
323 | ||
324 | /* Control radio state */ | |
325 | uint dhd_radio_up = 1; | |
326 | ||
327 | /* Network inteface name */ | |
328 | char iface_name[IFNAMSIZ]; | |
329 | module_param_string(iface_name, iface_name, IFNAMSIZ, 0); | |
330 | ||
cf2b4488 HP |
331 | /* The following are specific to the SDIO dongle */ |
332 | ||
333 | /* IOCTL response timeout */ | |
334 | int dhd_ioctl_timeout_msec = IOCTL_RESP_TIMEOUT; | |
335 | ||
336 | /* Idle timeout for backplane clock */ | |
337 | int dhd_idletime = DHD_IDLETIME_TICKS; | |
338 | module_param(dhd_idletime, int, 0); | |
339 | ||
340 | /* Use polling */ | |
0965ae88 | 341 | uint dhd_poll = false; |
cf2b4488 HP |
342 | module_param(dhd_poll, uint, 0); |
343 | ||
cf2b4488 | 344 | /* Use cfg80211 */ |
0f0881b0 | 345 | uint dhd_cfg80211 = true; |
cf2b4488 | 346 | module_param(dhd_cfg80211, uint, 0); |
cf2b4488 HP |
347 | |
348 | /* Use interrupts */ | |
0f0881b0 | 349 | uint dhd_intr = true; |
cf2b4488 HP |
350 | module_param(dhd_intr, uint, 0); |
351 | ||
352 | /* SDIO Drive Strength (in milliamps) */ | |
353 | uint dhd_sdiod_drive_strength = 6; | |
354 | module_param(dhd_sdiod_drive_strength, uint, 0); | |
355 | ||
356 | /* Tx/Rx bounds */ | |
357 | extern uint dhd_txbound; | |
358 | extern uint dhd_rxbound; | |
359 | module_param(dhd_txbound, uint, 0); | |
360 | module_param(dhd_rxbound, uint, 0); | |
361 | ||
362 | /* Deferred transmits */ | |
363 | extern uint dhd_deferred_tx; | |
364 | module_param(dhd_deferred_tx, uint, 0); | |
365 | ||
366 | #ifdef SDTEST | |
367 | /* Echo packet generator (pkts/s) */ | |
6998d337 | 368 | uint dhd_pktgen; |
cf2b4488 HP |
369 | module_param(dhd_pktgen, uint, 0); |
370 | ||
371 | /* Echo packet len (0 => sawtooth, max 2040) */ | |
6998d337 | 372 | uint dhd_pktgen_len; |
cf2b4488 HP |
373 | module_param(dhd_pktgen_len, uint, 0); |
374 | #endif | |
375 | ||
cf2b4488 HP |
376 | #define FAVORITE_WIFI_CP (!!dhd_cfg80211) |
377 | #define IS_CFG80211_FAVORITE() FAVORITE_WIFI_CP | |
378 | #define DBG_CFG80211_GET() ((dhd_cfg80211 & WL_DBG_MASK) >> 1) | |
379 | #define NO_FW_REQ() (dhd_cfg80211 & 0x80) | |
cf2b4488 HP |
380 | |
381 | /* Version string to report */ | |
382 | #ifdef DHD_DEBUG | |
383 | #define DHD_COMPILED "\nCompiled in " SRCBASE | |
384 | #else | |
385 | #define DHD_COMPILED | |
386 | #endif | |
387 | ||
cf2b4488 HP |
388 | #if defined(CONFIG_WIRELESS_EXT) |
389 | struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev); | |
390 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
391 | ||
3deea904 | 392 | static void dhd_dpc(unsigned long data); |
cf2b4488 HP |
393 | /* forward decl */ |
394 | extern int dhd_wait_pend8021x(struct net_device *dev); | |
395 | ||
396 | #ifdef TOE | |
397 | #ifndef BDC | |
398 | #error TOE requires BDC | |
399 | #endif /* !BDC */ | |
66cbd3ab GKH |
400 | static int dhd_toe_get(dhd_info_t *dhd, int idx, u32 *toe_ol); |
401 | static int dhd_toe_set(dhd_info_t *dhd, int idx, u32 toe_ol); | |
cf2b4488 HP |
402 | #endif /* TOE */ |
403 | ||
404 | static int dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, | |
405 | wl_event_msg_t *event_ptr, void **data_ptr); | |
406 | ||
407 | #if defined(CONFIG_PM_SLEEP) | |
408 | static int dhd_sleep_pm_callback(struct notifier_block *nfb, | |
409 | unsigned long action, void *ignored) | |
410 | { | |
411 | switch (action) { | |
412 | case PM_HIBERNATION_PREPARE: | |
413 | case PM_SUSPEND_PREPARE: | |
0f0881b0 | 414 | dhd_mmc_suspend = true; |
cf2b4488 HP |
415 | return NOTIFY_OK; |
416 | case PM_POST_HIBERNATION: | |
417 | case PM_POST_SUSPEND: | |
0965ae88 | 418 | dhd_mmc_suspend = false; |
cf2b4488 HP |
419 | return NOTIFY_OK; |
420 | } | |
421 | return 0; | |
422 | } | |
423 | ||
424 | static struct notifier_block dhd_sleep_pm_notifier = { | |
425 | .notifier_call = dhd_sleep_pm_callback, | |
426 | .priority = 0 | |
427 | }; | |
428 | ||
429 | extern int register_pm_notifier(struct notifier_block *nb); | |
430 | extern int unregister_pm_notifier(struct notifier_block *nb); | |
431 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
432 | /* && defined(DHD_GPL) */ | |
433 | static void dhd_set_packet_filter(int value, dhd_pub_t *dhd) | |
434 | { | |
435 | #ifdef PKT_FILTER_SUPPORT | |
436 | DHD_TRACE(("%s: %d\n", __func__, value)); | |
437 | /* 1 - Enable packet filter, only allow unicast packet to send up */ | |
438 | /* 0 - Disable packet filter */ | |
439 | if (dhd_pkt_filter_enable) { | |
440 | int i; | |
441 | ||
442 | for (i = 0; i < dhd->pktfilter_count; i++) { | |
443 | dhd_pktfilter_offload_set(dhd, dhd->pktfilter[i]); | |
444 | dhd_pktfilter_offload_enable(dhd, dhd->pktfilter[i], | |
445 | value, dhd_master_mode); | |
446 | } | |
447 | } | |
448 | #endif | |
449 | } | |
450 | ||
451 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
452 | static int dhd_set_suspend(int value, dhd_pub_t *dhd) | |
453 | { | |
454 | int power_mode = PM_MAX; | |
455 | /* wl_pkt_filter_enable_t enable_parm; */ | |
456 | char iovbuf[32]; | |
457 | int bcn_li_dtim = 3; | |
458 | #ifdef CUSTOMER_HW2 | |
459 | uint roamvar = 1; | |
460 | #endif /* CUSTOMER_HW2 */ | |
461 | ||
462 | DHD_TRACE(("%s: enter, value = %d in_suspend=%d\n", | |
463 | __func__, value, dhd->in_suspend)); | |
464 | ||
465 | if (dhd && dhd->up) { | |
466 | if (value && dhd->in_suspend) { | |
467 | ||
468 | /* Kernel suspended */ | |
469 | DHD_TRACE(("%s: force extra Suspend setting\n", | |
470 | __func__)); | |
471 | ||
472 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, | |
473 | (char *)&power_mode, | |
474 | sizeof(power_mode)); | |
475 | ||
476 | /* Enable packet filter, only allow unicast | |
477 | packet to send up */ | |
478 | dhd_set_packet_filter(1, dhd); | |
479 | ||
480 | /* if dtim skip setup as default force it | |
25985edc | 481 | * to wake each third dtim |
cf2b4488 HP |
482 | * for better power saving. |
483 | * Note that side effect is chance to miss BC/MC | |
484 | * packet | |
485 | */ | |
486 | if ((dhd->dtim_skip == 0) || (dhd->dtim_skip == 1)) | |
487 | bcn_li_dtim = 3; | |
488 | else | |
489 | bcn_li_dtim = dhd->dtim_skip; | |
490 | bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim, | |
491 | 4, iovbuf, sizeof(iovbuf)); | |
492 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
493 | sizeof(iovbuf)); | |
494 | #ifdef CUSTOMER_HW2 | |
495 | /* Disable build-in roaming to allowed \ | |
496 | * supplicant to take of romaing | |
497 | */ | |
498 | bcm_mkiovar("roam_off", (char *)&roamvar, 4, | |
499 | iovbuf, sizeof(iovbuf)); | |
500 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
501 | sizeof(iovbuf)); | |
502 | #endif /* CUSTOMER_HW2 */ | |
503 | } else { | |
504 | ||
505 | /* Kernel resumed */ | |
506 | DHD_TRACE(("%s: Remove extra suspend setting\n", | |
507 | __func__)); | |
508 | ||
509 | power_mode = PM_FAST; | |
510 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, | |
511 | (char *)&power_mode, | |
512 | sizeof(power_mode)); | |
513 | ||
514 | /* disable pkt filter */ | |
515 | dhd_set_packet_filter(0, dhd); | |
516 | ||
517 | /* restore pre-suspend setting for dtim_skip */ | |
518 | bcm_mkiovar("bcn_li_dtim", (char *)&dhd->dtim_skip, | |
519 | 4, iovbuf, sizeof(iovbuf)); | |
520 | ||
521 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
522 | sizeof(iovbuf)); | |
523 | #ifdef CUSTOMER_HW2 | |
524 | roamvar = 0; | |
525 | bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, | |
526 | sizeof(iovbuf)); | |
527 | dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, | |
528 | sizeof(iovbuf)); | |
529 | #endif /* CUSTOMER_HW2 */ | |
530 | } | |
531 | } | |
532 | ||
533 | return 0; | |
534 | } | |
535 | ||
536 | static void dhd_suspend_resume_helper(struct dhd_info *dhd, int val) | |
537 | { | |
538 | dhd_pub_t *dhdp = &dhd->pub; | |
539 | ||
540 | dhd_os_proto_block(dhdp); | |
541 | /* Set flag when early suspend was called */ | |
542 | dhdp->in_suspend = val; | |
543 | if (!dhdp->suspend_disable_flag) | |
544 | dhd_set_suspend(val, dhdp); | |
545 | dhd_os_proto_unblock(dhdp); | |
546 | } | |
547 | ||
548 | static void dhd_early_suspend(struct early_suspend *h) | |
549 | { | |
550 | struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); | |
551 | ||
552 | DHD_TRACE(("%s: enter\n", __func__)); | |
553 | ||
554 | if (dhd) | |
555 | dhd_suspend_resume_helper(dhd, 1); | |
556 | ||
557 | } | |
558 | ||
559 | static void dhd_late_resume(struct early_suspend *h) | |
560 | { | |
561 | struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); | |
562 | ||
563 | DHD_TRACE(("%s: enter\n", __func__)); | |
564 | ||
565 | if (dhd) | |
566 | dhd_suspend_resume_helper(dhd, 0); | |
567 | } | |
568 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
569 | ||
570 | /* | |
571 | * Generalized timeout mechanism. Uses spin sleep with exponential | |
572 | * back-off until | |
573 | * the sleep time reaches one jiffy, then switches over to task delay. Usage: | |
574 | * | |
575 | * dhd_timeout_start(&tmo, usec); | |
576 | * while (!dhd_timeout_expired(&tmo)) | |
577 | * if (poll_something()) | |
578 | * break; | |
579 | * if (dhd_timeout_expired(&tmo)) | |
580 | * fatal(); | |
581 | */ | |
582 | ||
583 | void dhd_timeout_start(dhd_timeout_t *tmo, uint usec) | |
584 | { | |
585 | tmo->limit = usec; | |
586 | tmo->increment = 0; | |
587 | tmo->elapsed = 0; | |
588 | tmo->tick = 1000000 / HZ; | |
589 | } | |
590 | ||
591 | int dhd_timeout_expired(dhd_timeout_t *tmo) | |
592 | { | |
593 | /* Does nothing the first call */ | |
594 | if (tmo->increment == 0) { | |
595 | tmo->increment = 1; | |
596 | return 0; | |
597 | } | |
598 | ||
599 | if (tmo->elapsed >= tmo->limit) | |
600 | return 1; | |
601 | ||
602 | /* Add the delay that's about to take place */ | |
603 | tmo->elapsed += tmo->increment; | |
604 | ||
605 | if (tmo->increment < tmo->tick) { | |
7383141b | 606 | udelay(tmo->increment); |
cf2b4488 HP |
607 | tmo->increment *= 2; |
608 | if (tmo->increment > tmo->tick) | |
609 | tmo->increment = tmo->tick; | |
610 | } else { | |
611 | wait_queue_head_t delay_wait; | |
612 | DECLARE_WAITQUEUE(wait, current); | |
613 | int pending; | |
614 | init_waitqueue_head(&delay_wait); | |
615 | add_wait_queue(&delay_wait, &wait); | |
616 | set_current_state(TASK_INTERRUPTIBLE); | |
617 | schedule_timeout(1); | |
618 | pending = signal_pending(current); | |
619 | remove_wait_queue(&delay_wait, &wait); | |
620 | set_current_state(TASK_RUNNING); | |
621 | if (pending) | |
622 | return 1; /* Interrupted */ | |
623 | } | |
624 | ||
625 | return 0; | |
626 | } | |
627 | ||
628 | static int dhd_net2idx(dhd_info_t *dhd, struct net_device *net) | |
629 | { | |
630 | int i = 0; | |
631 | ||
632 | ASSERT(dhd); | |
633 | while (i < DHD_MAX_IFS) { | |
634 | if (dhd->iflist[i] && (dhd->iflist[i]->net == net)) | |
635 | return i; | |
636 | i++; | |
637 | } | |
638 | ||
639 | return DHD_BAD_IF; | |
640 | } | |
641 | ||
642 | int dhd_ifname2idx(dhd_info_t *dhd, char *name) | |
643 | { | |
644 | int i = DHD_MAX_IFS; | |
645 | ||
646 | ASSERT(dhd); | |
647 | ||
648 | if (name == NULL || *name == '\0') | |
649 | return 0; | |
650 | ||
651 | while (--i > 0) | |
652 | if (dhd->iflist[i] | |
653 | && !strncmp(dhd->iflist[i]->name, name, IFNAMSIZ)) | |
654 | break; | |
655 | ||
656 | DHD_TRACE(("%s: return idx %d for \"%s\"\n", __func__, i, name)); | |
657 | ||
658 | return i; /* default - the primary interface */ | |
659 | } | |
660 | ||
661 | char *dhd_ifname(dhd_pub_t *dhdp, int ifidx) | |
662 | { | |
663 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
664 | ||
665 | ASSERT(dhd); | |
666 | ||
667 | if (ifidx < 0 || ifidx >= DHD_MAX_IFS) { | |
668 | DHD_ERROR(("%s: ifidx %d out of range\n", __func__, ifidx)); | |
669 | return "<if_bad>"; | |
670 | } | |
671 | ||
672 | if (dhd->iflist[ifidx] == NULL) { | |
673 | DHD_ERROR(("%s: null i/f %d\n", __func__, ifidx)); | |
674 | return "<if_null>"; | |
675 | } | |
676 | ||
677 | if (dhd->iflist[ifidx]->net) | |
678 | return dhd->iflist[ifidx]->net->name; | |
679 | ||
680 | return "<if_none>"; | |
681 | } | |
682 | ||
683 | static void _dhd_set_multicast_list(dhd_info_t *dhd, int ifidx) | |
684 | { | |
685 | struct net_device *dev; | |
686 | struct netdev_hw_addr *ha; | |
66cbd3ab | 687 | u32 allmulti, cnt; |
cf2b4488 HP |
688 | |
689 | wl_ioctl_t ioc; | |
690 | char *buf, *bufp; | |
691 | uint buflen; | |
692 | int ret; | |
693 | ||
694 | ASSERT(dhd && dhd->iflist[ifidx]); | |
695 | dev = dhd->iflist[ifidx]->net; | |
696 | cnt = netdev_mc_count(dev); | |
697 | ||
698 | /* Determine initial value of allmulti flag */ | |
0965ae88 | 699 | allmulti = (dev->flags & IFF_ALLMULTI) ? true : false; |
cf2b4488 HP |
700 | |
701 | /* Send down the multicast list first. */ | |
702 | ||
b8d63078 | 703 | buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETH_ALEN); |
5fcc1fcb | 704 | bufp = buf = kmalloc(buflen, GFP_ATOMIC); |
a618cc28 | 705 | if (!bufp) { |
cf2b4488 HP |
706 | DHD_ERROR(("%s: out of memory for mcast_list, cnt %d\n", |
707 | dhd_ifname(&dhd->pub, ifidx), cnt)); | |
708 | return; | |
709 | } | |
710 | ||
711 | strcpy(bufp, "mcast_list"); | |
712 | bufp += strlen("mcast_list") + 1; | |
713 | ||
628f10ba | 714 | cnt = cpu_to_le32(cnt); |
cf2b4488 HP |
715 | memcpy(bufp, &cnt, sizeof(cnt)); |
716 | bufp += sizeof(cnt); | |
717 | ||
718 | netdev_for_each_mc_addr(ha, dev) { | |
719 | if (!cnt) | |
720 | break; | |
b8d63078 JP |
721 | memcpy(bufp, ha->addr, ETH_ALEN); |
722 | bufp += ETH_ALEN; | |
cf2b4488 HP |
723 | cnt--; |
724 | } | |
725 | ||
726 | memset(&ioc, 0, sizeof(ioc)); | |
727 | ioc.cmd = WLC_SET_VAR; | |
728 | ioc.buf = buf; | |
729 | ioc.len = buflen; | |
0f0881b0 | 730 | ioc.set = true; |
cf2b4488 HP |
731 | |
732 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
733 | if (ret < 0) { | |
734 | DHD_ERROR(("%s: set mcast_list failed, cnt %d\n", | |
735 | dhd_ifname(&dhd->pub, ifidx), cnt)); | |
0f0881b0 | 736 | allmulti = cnt ? true : allmulti; |
cf2b4488 HP |
737 | } |
738 | ||
182acb3c | 739 | kfree(buf); |
cf2b4488 HP |
740 | |
741 | /* Now send the allmulti setting. This is based on the setting in the | |
742 | * net_device flags, but might be modified above to be turned on if we | |
743 | * were trying to set some addresses and dongle rejected it... | |
744 | */ | |
745 | ||
746 | buflen = sizeof("allmulti") + sizeof(allmulti); | |
5fcc1fcb | 747 | buf = kmalloc(buflen, GFP_ATOMIC); |
a618cc28 | 748 | if (!buf) { |
cf2b4488 HP |
749 | DHD_ERROR(("%s: out of memory for allmulti\n", |
750 | dhd_ifname(&dhd->pub, ifidx))); | |
751 | return; | |
752 | } | |
628f10ba | 753 | allmulti = cpu_to_le32(allmulti); |
cf2b4488 HP |
754 | |
755 | if (!bcm_mkiovar | |
756 | ("allmulti", (void *)&allmulti, sizeof(allmulti), buf, buflen)) { | |
757 | DHD_ERROR(("%s: mkiovar failed for allmulti, datalen %d " | |
758 | "buflen %u\n", dhd_ifname(&dhd->pub, ifidx), | |
759 | (int)sizeof(allmulti), buflen)); | |
182acb3c | 760 | kfree(buf); |
cf2b4488 HP |
761 | return; |
762 | } | |
763 | ||
764 | memset(&ioc, 0, sizeof(ioc)); | |
765 | ioc.cmd = WLC_SET_VAR; | |
766 | ioc.buf = buf; | |
767 | ioc.len = buflen; | |
0f0881b0 | 768 | ioc.set = true; |
cf2b4488 HP |
769 | |
770 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
771 | if (ret < 0) { | |
772 | DHD_ERROR(("%s: set allmulti %d failed\n", | |
628f10ba SF |
773 | dhd_ifname(&dhd->pub, ifidx), |
774 | le32_to_cpu(allmulti))); | |
cf2b4488 HP |
775 | } |
776 | ||
182acb3c | 777 | kfree(buf); |
cf2b4488 HP |
778 | |
779 | /* Finally, pick up the PROMISC flag as well, like the NIC | |
780 | driver does */ | |
781 | ||
0965ae88 | 782 | allmulti = (dev->flags & IFF_PROMISC) ? true : false; |
628f10ba | 783 | allmulti = cpu_to_le32(allmulti); |
cf2b4488 HP |
784 | |
785 | memset(&ioc, 0, sizeof(ioc)); | |
786 | ioc.cmd = WLC_SET_PROMISC; | |
787 | ioc.buf = &allmulti; | |
788 | ioc.len = sizeof(allmulti); | |
0f0881b0 | 789 | ioc.set = true; |
cf2b4488 HP |
790 | |
791 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
792 | if (ret < 0) { | |
793 | DHD_ERROR(("%s: set promisc %d failed\n", | |
628f10ba SF |
794 | dhd_ifname(&dhd->pub, ifidx), |
795 | le32_to_cpu(allmulti))); | |
cf2b4488 HP |
796 | } |
797 | } | |
798 | ||
799 | static int | |
a44d4236 | 800 | _dhd_set_mac_address(dhd_info_t *dhd, int ifidx, u8 *addr) |
cf2b4488 HP |
801 | { |
802 | char buf[32]; | |
803 | wl_ioctl_t ioc; | |
804 | int ret; | |
805 | ||
806 | DHD_TRACE(("%s enter\n", __func__)); | |
807 | if (!bcm_mkiovar | |
b8d63078 | 808 | ("cur_etheraddr", (char *)addr, ETH_ALEN, buf, 32)) { |
cf2b4488 HP |
809 | DHD_ERROR(("%s: mkiovar failed for cur_etheraddr\n", |
810 | dhd_ifname(&dhd->pub, ifidx))); | |
811 | return -1; | |
812 | } | |
813 | memset(&ioc, 0, sizeof(ioc)); | |
814 | ioc.cmd = WLC_SET_VAR; | |
815 | ioc.buf = buf; | |
816 | ioc.len = 32; | |
0f0881b0 | 817 | ioc.set = true; |
cf2b4488 HP |
818 | |
819 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); | |
820 | if (ret < 0) { | |
821 | DHD_ERROR(("%s: set cur_etheraddr failed\n", | |
822 | dhd_ifname(&dhd->pub, ifidx))); | |
823 | } else { | |
b8d63078 | 824 | memcpy(dhd->iflist[ifidx]->net->dev_addr, addr, ETH_ALEN); |
cf2b4488 HP |
825 | } |
826 | ||
827 | return ret; | |
828 | } | |
829 | ||
830 | #ifdef SOFTAP | |
831 | extern struct net_device *ap_net_dev; | |
832 | #endif | |
833 | ||
834 | static void dhd_op_if(dhd_if_t *ifp) | |
835 | { | |
836 | dhd_info_t *dhd; | |
837 | int ret = 0, err = 0; | |
838 | ||
839 | ASSERT(ifp && ifp->info && ifp->idx); /* Virtual interfaces only */ | |
840 | ||
841 | dhd = ifp->info; | |
842 | ||
843 | DHD_TRACE(("%s: idx %d, state %d\n", __func__, ifp->idx, ifp->state)); | |
844 | ||
845 | switch (ifp->state) { | |
846 | case WLC_E_IF_ADD: | |
847 | /* | |
848 | * Delete the existing interface before overwriting it | |
849 | * in case we missed the WLC_E_IF_DEL event. | |
850 | */ | |
851 | if (ifp->net != NULL) { | |
852 | DHD_ERROR(("%s: ERROR: netdev:%s already exists, " | |
853 | "try free & unregister\n", | |
854 | __func__, ifp->net->name)); | |
855 | netif_stop_queue(ifp->net); | |
856 | unregister_netdev(ifp->net); | |
857 | free_netdev(ifp->net); | |
858 | } | |
859 | /* Allocate etherdev, including space for private structure */ | |
a618cc28 JC |
860 | ifp->net = alloc_etherdev(sizeof(dhd)); |
861 | if (!ifp->net) { | |
cf2b4488 HP |
862 | DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); |
863 | ret = -ENOMEM; | |
864 | } | |
865 | if (ret == 0) { | |
866 | strcpy(ifp->net->name, ifp->name); | |
867 | memcpy(netdev_priv(ifp->net), &dhd, sizeof(dhd)); | |
a618cc28 JC |
868 | err = dhd_net_attach(&dhd->pub, ifp->idx); |
869 | if (err != 0) { | |
cf2b4488 HP |
870 | DHD_ERROR(("%s: dhd_net_attach failed, " |
871 | "err %d\n", | |
872 | __func__, err)); | |
873 | ret = -EOPNOTSUPP; | |
874 | } else { | |
875 | #ifdef SOFTAP | |
876 | /* semaphore that the soft AP CODE | |
877 | waits on */ | |
878 | extern struct semaphore ap_eth_sema; | |
879 | ||
880 | /* save ptr to wl0.1 netdev for use | |
881 | in wl_iw.c */ | |
882 | ap_net_dev = ifp->net; | |
883 | /* signal to the SOFTAP 'sleeper' thread, | |
884 | wl0.1 is ready */ | |
885 | up(&ap_eth_sema); | |
886 | #endif | |
887 | DHD_TRACE(("\n ==== pid:%x, net_device for " | |
888 | "if:%s created ===\n\n", | |
889 | current->pid, ifp->net->name)); | |
890 | ifp->state = 0; | |
891 | } | |
892 | } | |
893 | break; | |
894 | case WLC_E_IF_DEL: | |
895 | if (ifp->net != NULL) { | |
896 | DHD_TRACE(("\n%s: got 'WLC_E_IF_DEL' state\n", | |
897 | __func__)); | |
898 | netif_stop_queue(ifp->net); | |
899 | unregister_netdev(ifp->net); | |
900 | ret = DHD_DEL_IF; /* Make sure the free_netdev() | |
901 | is called */ | |
902 | } | |
903 | break; | |
904 | default: | |
905 | DHD_ERROR(("%s: bad op %d\n", __func__, ifp->state)); | |
906 | ASSERT(!ifp->state); | |
907 | break; | |
908 | } | |
909 | ||
910 | if (ret < 0) { | |
911 | if (ifp->net) | |
912 | free_netdev(ifp->net); | |
913 | ||
914 | dhd->iflist[ifp->idx] = NULL; | |
182acb3c | 915 | kfree(ifp); |
cf2b4488 HP |
916 | #ifdef SOFTAP |
917 | if (ifp->net == ap_net_dev) | |
918 | ap_net_dev = NULL; /* NULL SOFTAP global | |
919 | wl0.1 as well */ | |
920 | #endif /* SOFTAP */ | |
921 | } | |
922 | } | |
923 | ||
924 | static int _dhd_sysioc_thread(void *data) | |
925 | { | |
926 | dhd_info_t *dhd = (dhd_info_t *) data; | |
927 | int i; | |
928 | #ifdef SOFTAP | |
0965ae88 | 929 | bool in_ap = false; |
cf2b4488 HP |
930 | #endif |
931 | ||
af737136 | 932 | allow_signal(SIGTERM); |
933 | ||
cf2b4488 | 934 | while (down_interruptible(&dhd->sysioc_sem) == 0) { |
eeb8e46b | 935 | if (kthread_should_stop()) |
d809dcb9 | 936 | break; |
cf2b4488 HP |
937 | for (i = 0; i < DHD_MAX_IFS; i++) { |
938 | if (dhd->iflist[i]) { | |
939 | #ifdef SOFTAP | |
940 | in_ap = (ap_net_dev != NULL); | |
941 | #endif /* SOFTAP */ | |
942 | if (dhd->iflist[i]->state) | |
943 | dhd_op_if(dhd->iflist[i]); | |
944 | #ifdef SOFTAP | |
945 | if (dhd->iflist[i] == NULL) { | |
946 | DHD_TRACE(("\n\n %s: interface %d " | |
947 | "removed!\n", __func__, i)); | |
948 | continue; | |
949 | } | |
950 | ||
951 | if (in_ap && dhd->set_macaddress) { | |
952 | DHD_TRACE(("attempt to set MAC for %s " | |
953 | "in AP Mode," "blocked. \n", | |
954 | dhd->iflist[i]->net->name)); | |
0965ae88 | 955 | dhd->set_macaddress = false; |
cf2b4488 HP |
956 | continue; |
957 | } | |
958 | ||
959 | if (in_ap && dhd->set_multicast) { | |
960 | DHD_TRACE(("attempt to set MULTICAST list for %s" "in AP Mode, blocked. \n", | |
961 | dhd->iflist[i]->net->name)); | |
0965ae88 | 962 | dhd->set_multicast = false; |
cf2b4488 HP |
963 | continue; |
964 | } | |
965 | #endif /* SOFTAP */ | |
966 | if (dhd->set_multicast) { | |
0965ae88 | 967 | dhd->set_multicast = false; |
cf2b4488 HP |
968 | _dhd_set_multicast_list(dhd, i); |
969 | } | |
970 | if (dhd->set_macaddress) { | |
0965ae88 | 971 | dhd->set_macaddress = false; |
cf2b4488 | 972 | _dhd_set_mac_address(dhd, i, |
a44d4236 | 973 | dhd->macvalue); |
cf2b4488 HP |
974 | } |
975 | } | |
976 | } | |
977 | } | |
d809dcb9 | 978 | return 0; |
cf2b4488 HP |
979 | } |
980 | ||
981 | static int dhd_set_mac_address(struct net_device *dev, void *addr) | |
982 | { | |
983 | int ret = 0; | |
984 | ||
985 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
986 | struct sockaddr *sa = (struct sockaddr *)addr; | |
987 | int ifidx; | |
988 | ||
989 | ifidx = dhd_net2idx(dhd, dev); | |
990 | if (ifidx == DHD_BAD_IF) | |
991 | return -1; | |
992 | ||
d809dcb9 | 993 | ASSERT(dhd->sysioc_tsk); |
b8d63078 | 994 | memcpy(&dhd->macvalue, sa->sa_data, ETH_ALEN); |
0f0881b0 | 995 | dhd->set_macaddress = true; |
cf2b4488 HP |
996 | up(&dhd->sysioc_sem); |
997 | ||
998 | return ret; | |
999 | } | |
1000 | ||
1001 | static void dhd_set_multicast_list(struct net_device *dev) | |
1002 | { | |
1003 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
1004 | int ifidx; | |
1005 | ||
1006 | ifidx = dhd_net2idx(dhd, dev); | |
1007 | if (ifidx == DHD_BAD_IF) | |
1008 | return; | |
1009 | ||
d809dcb9 | 1010 | ASSERT(dhd->sysioc_tsk); |
0f0881b0 | 1011 | dhd->set_multicast = true; |
cf2b4488 HP |
1012 | up(&dhd->sysioc_sem); |
1013 | } | |
1014 | ||
c26b1378 | 1015 | int dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, struct sk_buff *pktbuf) |
cf2b4488 HP |
1016 | { |
1017 | int ret; | |
1018 | dhd_info_t *dhd = (dhd_info_t *) (dhdp->info); | |
1019 | ||
1020 | /* Reject if down */ | |
1021 | if (!dhdp->up || (dhdp->busstate == DHD_BUS_DOWN)) | |
1022 | return -ENODEV; | |
1023 | ||
1024 | /* Update multicast statistic */ | |
b8d63078 | 1025 | if (pktbuf->len >= ETH_ALEN) { |
54991ad6 | 1026 | u8 *pktdata = (u8 *) (pktbuf->data); |
e2582ad8 | 1027 | struct ethhdr *eh = (struct ethhdr *)pktdata; |
cf2b4488 | 1028 | |
e2582ad8 | 1029 | if (is_multicast_ether_addr(eh->h_dest)) |
cf2b4488 | 1030 | dhdp->tx_multicast++; |
628f10ba | 1031 | if (ntohs(eh->h_proto) == ETH_P_PAE) |
cf2b4488 HP |
1032 | atomic_inc(&dhd->pend_8021x_cnt); |
1033 | } | |
1034 | ||
cf2b4488 HP |
1035 | /* If the protocol uses a data header, apply it */ |
1036 | dhd_prot_hdrpush(dhdp, ifidx, pktbuf); | |
1037 | ||
1038 | /* Use bus module to send data frame */ | |
1039 | #ifdef BCMDBUS | |
1040 | ret = dbus_send_pkt(dhdp->dbus, pktbuf, NULL /* pktinfo */); | |
1041 | #else | |
cf2b4488 HP |
1042 | ret = dhd_bus_txdata(dhdp->bus, pktbuf); |
1043 | #endif /* BCMDBUS */ | |
1044 | ||
1045 | return ret; | |
1046 | } | |
1047 | ||
411ee44a | 1048 | static inline void * |
537ebbbe | 1049 | osl_pkt_frmnative(struct sk_buff *skb) |
411ee44a | 1050 | { |
411ee44a BR |
1051 | return (void *)skb; |
1052 | } | |
1053 | #define PKTFRMNATIVE(osh, skb) \ | |
537ebbbe | 1054 | osl_pkt_frmnative((struct sk_buff *)(skb)) |
411ee44a BR |
1055 | |
1056 | static inline struct sk_buff * | |
537ebbbe | 1057 | osl_pkt_tonative(void *pkt) |
411ee44a | 1058 | { |
411ee44a BR |
1059 | return (struct sk_buff *)pkt; |
1060 | } | |
1061 | #define PKTTONATIVE(osh, pkt) \ | |
537ebbbe | 1062 | osl_pkt_tonative((pkt)) |
411ee44a | 1063 | |
cf2b4488 HP |
1064 | static int dhd_start_xmit(struct sk_buff *skb, struct net_device *net) |
1065 | { | |
1066 | int ret; | |
1067 | void *pktbuf; | |
1068 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1069 | int ifidx; | |
1070 | ||
1071 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1072 | ||
1073 | /* Reject if down */ | |
1074 | if (!dhd->pub.up || (dhd->pub.busstate == DHD_BUS_DOWN)) { | |
1075 | DHD_ERROR(("%s: xmit rejected pub.up=%d busstate=%d\n", | |
1076 | __func__, dhd->pub.up, dhd->pub.busstate)); | |
1077 | netif_stop_queue(net); | |
1078 | return -ENODEV; | |
1079 | } | |
1080 | ||
1081 | ifidx = dhd_net2idx(dhd, net); | |
1082 | if (ifidx == DHD_BAD_IF) { | |
1083 | DHD_ERROR(("%s: bad ifidx %d\n", __func__, ifidx)); | |
1084 | netif_stop_queue(net); | |
1085 | return -ENODEV; | |
1086 | } | |
1087 | ||
1088 | /* Make sure there's enough room for any header */ | |
1089 | if (skb_headroom(skb) < dhd->pub.hdrlen) { | |
1090 | struct sk_buff *skb2; | |
1091 | ||
1092 | DHD_INFO(("%s: insufficient headroom\n", | |
1093 | dhd_ifname(&dhd->pub, ifidx))); | |
1094 | dhd->pub.tx_realloc++; | |
1095 | skb2 = skb_realloc_headroom(skb, dhd->pub.hdrlen); | |
1096 | dev_kfree_skb(skb); | |
a618cc28 JC |
1097 | skb = skb2; |
1098 | if (skb == NULL) { | |
cf2b4488 HP |
1099 | DHD_ERROR(("%s: skb_realloc_headroom failed\n", |
1100 | dhd_ifname(&dhd->pub, ifidx))); | |
1101 | ret = -ENOMEM; | |
1102 | goto done; | |
1103 | } | |
1104 | } | |
1105 | ||
1106 | /* Convert to packet */ | |
a618cc28 JC |
1107 | pktbuf = PKTFRMNATIVE(dhd->pub.osh, skb); |
1108 | if (!pktbuf) { | |
cf2b4488 HP |
1109 | DHD_ERROR(("%s: PKTFRMNATIVE failed\n", |
1110 | dhd_ifname(&dhd->pub, ifidx))); | |
1111 | dev_kfree_skb_any(skb); | |
1112 | ret = -ENOMEM; | |
1113 | goto done; | |
1114 | } | |
1115 | ||
1116 | ret = dhd_sendpkt(&dhd->pub, ifidx, pktbuf); | |
1117 | ||
1118 | done: | |
1119 | if (ret) | |
1120 | dhd->pub.dstats.tx_dropped++; | |
1121 | else | |
1122 | dhd->pub.tx_packets++; | |
1123 | ||
1124 | /* Return ok: we always eat the packet */ | |
1125 | return 0; | |
1126 | } | |
1127 | ||
1128 | void dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool state) | |
1129 | { | |
1130 | struct net_device *net; | |
1131 | dhd_info_t *dhd = dhdp->info; | |
1132 | ||
1133 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1134 | ||
1135 | dhdp->txoff = state; | |
1136 | ASSERT(dhd && dhd->iflist[ifidx]); | |
1137 | net = dhd->iflist[ifidx]->net; | |
1138 | if (state == ON) | |
1139 | netif_stop_queue(net); | |
1140 | else | |
1141 | netif_wake_queue(net); | |
1142 | } | |
1143 | ||
c26b1378 AS |
1144 | void dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, struct sk_buff *pktbuf, |
1145 | int numpkt) | |
cf2b4488 HP |
1146 | { |
1147 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
1148 | struct sk_buff *skb; | |
580a0bd9 | 1149 | unsigned char *eth; |
cf2b4488 | 1150 | uint len; |
c26b1378 AS |
1151 | void *data; |
1152 | struct sk_buff *pnext, *save_pktbuf; | |
cf2b4488 HP |
1153 | int i; |
1154 | dhd_if_t *ifp; | |
1155 | wl_event_msg_t event; | |
1156 | ||
1157 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1158 | ||
1159 | save_pktbuf = pktbuf; | |
1160 | ||
1161 | for (i = 0; pktbuf && i < numpkt; i++, pktbuf = pnext) { | |
1162 | ||
54991ad6 AS |
1163 | pnext = pktbuf->next; |
1164 | pktbuf->next = NULL; | |
cf2b4488 HP |
1165 | |
1166 | skb = PKTTONATIVE(dhdp->osh, pktbuf); | |
1167 | ||
1168 | /* Get the protocol, maintain skb around eth_type_trans() | |
1169 | * The main reason for this hack is for the limitation of | |
1170 | * Linux 2.4 where 'eth_type_trans' uses the | |
1171 | * 'net->hard_header_len' | |
1172 | * to perform skb_pull inside vs ETH_HLEN. Since to avoid | |
1173 | * coping of the packet coming from the network stack to add | |
1174 | * BDC, Hardware header etc, during network interface | |
1175 | * registration | |
1176 | * we set the 'net->hard_header_len' to ETH_HLEN + extra space | |
1177 | * required | |
1178 | * for BDC, Hardware header etc. and not just the ETH_HLEN | |
1179 | */ | |
1180 | eth = skb->data; | |
1181 | len = skb->len; | |
1182 | ||
1183 | ifp = dhd->iflist[ifidx]; | |
1184 | if (ifp == NULL) | |
1185 | ifp = dhd->iflist[0]; | |
1186 | ||
1187 | ASSERT(ifp); | |
1188 | skb->dev = ifp->net; | |
1189 | skb->protocol = eth_type_trans(skb, skb->dev); | |
1190 | ||
1191 | if (skb->pkt_type == PACKET_MULTICAST) | |
1192 | dhd->pub.rx_multicast++; | |
1193 | ||
1194 | skb->data = eth; | |
1195 | skb->len = len; | |
1196 | ||
1197 | /* Strip header, count, deliver upward */ | |
1198 | skb_pull(skb, ETH_HLEN); | |
1199 | ||
1200 | /* Process special event packets and then discard them */ | |
628f10ba | 1201 | if (ntohs(skb->protocol) == ETH_P_BRCM) |
cf2b4488 | 1202 | dhd_wl_host_event(dhd, &ifidx, |
d4fcdc68 | 1203 | skb_mac_header(skb), |
cf2b4488 HP |
1204 | &event, &data); |
1205 | ||
1206 | ASSERT(ifidx < DHD_MAX_IFS && dhd->iflist[ifidx]); | |
1207 | if (dhd->iflist[ifidx] && !dhd->iflist[ifidx]->state) | |
1208 | ifp = dhd->iflist[ifidx]; | |
1209 | ||
1210 | if (ifp->net) | |
1211 | ifp->net->last_rx = jiffies; | |
1212 | ||
1213 | dhdp->dstats.rx_bytes += skb->len; | |
1214 | dhdp->rx_packets++; /* Local count */ | |
1215 | ||
1216 | if (in_interrupt()) { | |
1217 | netif_rx(skb); | |
1218 | } else { | |
1219 | /* If the receive is not processed inside an ISR, | |
1220 | * the softirqd must be woken explicitly to service | |
1221 | * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled | |
1222 | * by netif_rx_ni(), but in earlier kernels, we need | |
1223 | * to do it manually. | |
1224 | */ | |
1225 | netif_rx_ni(skb); | |
1226 | } | |
1227 | } | |
1228 | } | |
1229 | ||
1230 | void dhd_event(struct dhd_info *dhd, char *evpkt, int evlen, int ifidx) | |
1231 | { | |
1232 | /* Linux version has nothing to do */ | |
1233 | return; | |
1234 | } | |
1235 | ||
c26b1378 | 1236 | void dhd_txcomplete(dhd_pub_t *dhdp, struct sk_buff *txp, bool success) |
cf2b4488 HP |
1237 | { |
1238 | uint ifidx; | |
1239 | dhd_info_t *dhd = (dhd_info_t *) (dhdp->info); | |
e2582ad8 | 1240 | struct ethhdr *eh; |
7d4df48e | 1241 | u16 type; |
cf2b4488 HP |
1242 | |
1243 | dhd_prot_hdrpull(dhdp, &ifidx, txp); | |
1244 | ||
e2582ad8 | 1245 | eh = (struct ethhdr *)(txp->data); |
628f10ba | 1246 | type = ntohs(eh->h_proto); |
cf2b4488 | 1247 | |
fcbdbed0 | 1248 | if (type == ETH_P_PAE) |
cf2b4488 HP |
1249 | atomic_dec(&dhd->pend_8021x_cnt); |
1250 | ||
1251 | } | |
1252 | ||
1253 | static struct net_device_stats *dhd_get_stats(struct net_device *net) | |
1254 | { | |
1255 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1256 | dhd_if_t *ifp; | |
1257 | int ifidx; | |
1258 | ||
1259 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1260 | ||
1261 | ifidx = dhd_net2idx(dhd, net); | |
1262 | if (ifidx == DHD_BAD_IF) | |
1263 | return NULL; | |
1264 | ||
1265 | ifp = dhd->iflist[ifidx]; | |
1266 | ASSERT(dhd && ifp); | |
1267 | ||
1268 | if (dhd->pub.up) { | |
1269 | /* Use the protocol to get dongle stats */ | |
1270 | dhd_prot_dstats(&dhd->pub); | |
1271 | } | |
1272 | ||
1273 | /* Copy dongle stats to net device stats */ | |
1274 | ifp->stats.rx_packets = dhd->pub.dstats.rx_packets; | |
1275 | ifp->stats.tx_packets = dhd->pub.dstats.tx_packets; | |
1276 | ifp->stats.rx_bytes = dhd->pub.dstats.rx_bytes; | |
1277 | ifp->stats.tx_bytes = dhd->pub.dstats.tx_bytes; | |
1278 | ifp->stats.rx_errors = dhd->pub.dstats.rx_errors; | |
1279 | ifp->stats.tx_errors = dhd->pub.dstats.tx_errors; | |
1280 | ifp->stats.rx_dropped = dhd->pub.dstats.rx_dropped; | |
1281 | ifp->stats.tx_dropped = dhd->pub.dstats.tx_dropped; | |
1282 | ifp->stats.multicast = dhd->pub.dstats.multicast; | |
1283 | ||
1284 | return &ifp->stats; | |
1285 | } | |
1286 | ||
1287 | static int dhd_watchdog_thread(void *data) | |
1288 | { | |
1289 | dhd_info_t *dhd = (dhd_info_t *) data; | |
cf2b4488 HP |
1290 | |
1291 | /* This thread doesn't need any user-level access, | |
1292 | * so get rid of all our resources | |
1293 | */ | |
1294 | #ifdef DHD_SCHED | |
1295 | if (dhd_watchdog_prio > 0) { | |
1296 | struct sched_param param; | |
1297 | param.sched_priority = (dhd_watchdog_prio < MAX_RT_PRIO) ? | |
1298 | dhd_watchdog_prio : (MAX_RT_PRIO - 1); | |
1299 | setScheduler(current, SCHED_FIFO, ¶m); | |
1300 | } | |
1301 | #endif /* DHD_SCHED */ | |
1302 | ||
af737136 | 1303 | allow_signal(SIGTERM); |
cf2b4488 HP |
1304 | /* Run until signal received */ |
1305 | while (1) { | |
860708d9 JC |
1306 | if (kthread_should_stop()) |
1307 | break; | |
cf2b4488 | 1308 | if (down_interruptible(&dhd->watchdog_sem) == 0) { |
0965ae88 | 1309 | if (dhd->pub.dongle_reset == false) { |
cf2b4488 HP |
1310 | /* Call the bus module watchdog */ |
1311 | dhd_bus_watchdog(&dhd->pub); | |
cf2b4488 HP |
1312 | } |
1313 | /* Count the tick for reference */ | |
1314 | dhd->pub.tickcnt++; | |
1315 | } else | |
1316 | break; | |
1317 | } | |
860708d9 | 1318 | return 0; |
cf2b4488 HP |
1319 | } |
1320 | ||
3deea904 | 1321 | static void dhd_watchdog(unsigned long data) |
cf2b4488 HP |
1322 | { |
1323 | dhd_info_t *dhd = (dhd_info_t *) data; | |
1324 | ||
860708d9 | 1325 | if (dhd->watchdog_tsk) { |
cf2b4488 HP |
1326 | up(&dhd->watchdog_sem); |
1327 | ||
1328 | /* Reschedule the watchdog */ | |
1329 | if (dhd->wd_timer_valid) { | |
1330 | mod_timer(&dhd->timer, | |
1331 | jiffies + dhd_watchdog_ms * HZ / 1000); | |
1332 | } | |
1333 | return; | |
1334 | } | |
1335 | ||
1336 | /* Call the bus module watchdog */ | |
1337 | dhd_bus_watchdog(&dhd->pub); | |
1338 | ||
1339 | /* Count the tick for reference */ | |
1340 | dhd->pub.tickcnt++; | |
1341 | ||
1342 | /* Reschedule the watchdog */ | |
1343 | if (dhd->wd_timer_valid) | |
1344 | mod_timer(&dhd->timer, jiffies + dhd_watchdog_ms * HZ / 1000); | |
1345 | } | |
1346 | ||
1347 | static int dhd_dpc_thread(void *data) | |
1348 | { | |
1349 | dhd_info_t *dhd = (dhd_info_t *) data; | |
1350 | ||
cf2b4488 HP |
1351 | /* This thread doesn't need any user-level access, |
1352 | * so get rid of all our resources | |
1353 | */ | |
1354 | #ifdef DHD_SCHED | |
1355 | if (dhd_dpc_prio > 0) { | |
1356 | struct sched_param param; | |
1357 | param.sched_priority = | |
1358 | (dhd_dpc_prio < | |
1359 | MAX_RT_PRIO) ? dhd_dpc_prio : (MAX_RT_PRIO - 1); | |
1360 | setScheduler(current, SCHED_FIFO, ¶m); | |
1361 | } | |
1362 | #endif /* DHD_SCHED */ | |
1363 | ||
af737136 | 1364 | allow_signal(SIGTERM); |
cf2b4488 HP |
1365 | /* Run until signal received */ |
1366 | while (1) { | |
eeb8e46b | 1367 | if (kthread_should_stop()) |
ecd7559d | 1368 | break; |
cf2b4488 HP |
1369 | if (down_interruptible(&dhd->dpc_sem) == 0) { |
1370 | /* Call bus dpc unless it indicated down | |
1371 | (then clean stop) */ | |
1372 | if (dhd->pub.busstate != DHD_BUS_DOWN) { | |
cf2b4488 HP |
1373 | if (dhd_bus_dpc(dhd->pub.bus)) { |
1374 | up(&dhd->dpc_sem); | |
cf2b4488 | 1375 | } |
cf2b4488 | 1376 | } else { |
0f0881b0 | 1377 | dhd_bus_stop(dhd->pub.bus, true); |
cf2b4488 HP |
1378 | } |
1379 | } else | |
1380 | break; | |
1381 | } | |
ecd7559d | 1382 | return 0; |
cf2b4488 HP |
1383 | } |
1384 | ||
3deea904 | 1385 | static void dhd_dpc(unsigned long data) |
cf2b4488 HP |
1386 | { |
1387 | dhd_info_t *dhd; | |
1388 | ||
1389 | dhd = (dhd_info_t *) data; | |
1390 | ||
1391 | /* Call bus dpc unless it indicated down (then clean stop) */ | |
1392 | if (dhd->pub.busstate != DHD_BUS_DOWN) { | |
1393 | if (dhd_bus_dpc(dhd->pub.bus)) | |
1394 | tasklet_schedule(&dhd->tasklet); | |
1395 | } else { | |
0f0881b0 | 1396 | dhd_bus_stop(dhd->pub.bus, true); |
cf2b4488 HP |
1397 | } |
1398 | } | |
1399 | ||
1400 | void dhd_sched_dpc(dhd_pub_t *dhdp) | |
1401 | { | |
1402 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
1403 | ||
ecd7559d | 1404 | if (dhd->dpc_tsk) { |
cf2b4488 HP |
1405 | up(&dhd->dpc_sem); |
1406 | return; | |
1407 | } | |
1408 | ||
1409 | tasklet_schedule(&dhd->tasklet); | |
1410 | } | |
1411 | ||
1412 | #ifdef TOE | |
1413 | /* Retrieve current toe component enables, which are kept | |
1414 | as a bitmap in toe_ol iovar */ | |
66cbd3ab | 1415 | static int dhd_toe_get(dhd_info_t *dhd, int ifidx, u32 *toe_ol) |
cf2b4488 HP |
1416 | { |
1417 | wl_ioctl_t ioc; | |
1418 | char buf[32]; | |
1419 | int ret; | |
1420 | ||
1421 | memset(&ioc, 0, sizeof(ioc)); | |
1422 | ||
1423 | ioc.cmd = WLC_GET_VAR; | |
1424 | ioc.buf = buf; | |
1425 | ioc.len = (uint) sizeof(buf); | |
0965ae88 | 1426 | ioc.set = false; |
cf2b4488 HP |
1427 | |
1428 | strcpy(buf, "toe_ol"); | |
a618cc28 JC |
1429 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
1430 | if (ret < 0) { | |
cf2b4488 HP |
1431 | /* Check for older dongle image that doesn't support toe_ol */ |
1432 | if (ret == -EIO) { | |
1433 | DHD_ERROR(("%s: toe not supported by device\n", | |
1434 | dhd_ifname(&dhd->pub, ifidx))); | |
1435 | return -EOPNOTSUPP; | |
1436 | } | |
1437 | ||
1438 | DHD_INFO(("%s: could not get toe_ol: ret=%d\n", | |
1439 | dhd_ifname(&dhd->pub, ifidx), ret)); | |
1440 | return ret; | |
1441 | } | |
1442 | ||
66cbd3ab | 1443 | memcpy(toe_ol, buf, sizeof(u32)); |
cf2b4488 HP |
1444 | return 0; |
1445 | } | |
1446 | ||
1447 | /* Set current toe component enables in toe_ol iovar, | |
1448 | and set toe global enable iovar */ | |
66cbd3ab | 1449 | static int dhd_toe_set(dhd_info_t *dhd, int ifidx, u32 toe_ol) |
cf2b4488 HP |
1450 | { |
1451 | wl_ioctl_t ioc; | |
1452 | char buf[32]; | |
1453 | int toe, ret; | |
1454 | ||
1455 | memset(&ioc, 0, sizeof(ioc)); | |
1456 | ||
1457 | ioc.cmd = WLC_SET_VAR; | |
1458 | ioc.buf = buf; | |
1459 | ioc.len = (uint) sizeof(buf); | |
0f0881b0 | 1460 | ioc.set = true; |
cf2b4488 HP |
1461 | |
1462 | /* Set toe_ol as requested */ | |
1463 | ||
1464 | strcpy(buf, "toe_ol"); | |
66cbd3ab | 1465 | memcpy(&buf[sizeof("toe_ol")], &toe_ol, sizeof(u32)); |
cf2b4488 | 1466 | |
a618cc28 JC |
1467 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
1468 | if (ret < 0) { | |
cf2b4488 HP |
1469 | DHD_ERROR(("%s: could not set toe_ol: ret=%d\n", |
1470 | dhd_ifname(&dhd->pub, ifidx), ret)); | |
1471 | return ret; | |
1472 | } | |
1473 | ||
1474 | /* Enable toe globally only if any components are enabled. */ | |
1475 | ||
1476 | toe = (toe_ol != 0); | |
1477 | ||
1478 | strcpy(buf, "toe"); | |
66cbd3ab | 1479 | memcpy(&buf[sizeof("toe")], &toe, sizeof(u32)); |
cf2b4488 | 1480 | |
a618cc28 JC |
1481 | ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
1482 | if (ret < 0) { | |
cf2b4488 HP |
1483 | DHD_ERROR(("%s: could not set toe: ret=%d\n", |
1484 | dhd_ifname(&dhd->pub, ifidx), ret)); | |
1485 | return ret; | |
1486 | } | |
1487 | ||
1488 | return 0; | |
1489 | } | |
1490 | #endif /* TOE */ | |
1491 | ||
1492 | static void dhd_ethtool_get_drvinfo(struct net_device *net, | |
1493 | struct ethtool_drvinfo *info) | |
1494 | { | |
1495 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1496 | ||
93ad12cf | 1497 | sprintf(info->driver, DRV_MODULE_NAME); |
cf2b4488 | 1498 | sprintf(info->version, "%lu", dhd->pub.drv_version); |
93ad12cf | 1499 | sprintf(info->fw_version, "%s", wl_cfg80211_get_fwname()); |
1500 | sprintf(info->bus_info, "%s", dev_name(&wl_cfg80211_get_sdio_func()->dev)); | |
cf2b4488 HP |
1501 | } |
1502 | ||
1503 | struct ethtool_ops dhd_ethtool_ops = { | |
1504 | .get_drvinfo = dhd_ethtool_get_drvinfo | |
1505 | }; | |
1506 | ||
1507 | static int dhd_ethtool(dhd_info_t *dhd, void *uaddr) | |
1508 | { | |
1509 | struct ethtool_drvinfo info; | |
1510 | char drvname[sizeof(info.driver)]; | |
66cbd3ab | 1511 | u32 cmd; |
cf2b4488 HP |
1512 | #ifdef TOE |
1513 | struct ethtool_value edata; | |
66cbd3ab | 1514 | u32 toe_cmpnt, csum_dir; |
cf2b4488 HP |
1515 | int ret; |
1516 | #endif | |
1517 | ||
1518 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1519 | ||
1520 | /* all ethtool calls start with a cmd word */ | |
66cbd3ab | 1521 | if (copy_from_user(&cmd, uaddr, sizeof(u32))) |
cf2b4488 HP |
1522 | return -EFAULT; |
1523 | ||
1524 | switch (cmd) { | |
1525 | case ETHTOOL_GDRVINFO: | |
1526 | /* Copy out any request driver name */ | |
1527 | if (copy_from_user(&info, uaddr, sizeof(info))) | |
1528 | return -EFAULT; | |
1529 | strncpy(drvname, info.driver, sizeof(info.driver)); | |
1530 | drvname[sizeof(info.driver) - 1] = '\0'; | |
1531 | ||
1532 | /* clear struct for return */ | |
1533 | memset(&info, 0, sizeof(info)); | |
1534 | info.cmd = cmd; | |
1535 | ||
1536 | /* if dhd requested, identify ourselves */ | |
1537 | if (strcmp(drvname, "?dhd") == 0) { | |
1538 | sprintf(info.driver, "dhd"); | |
1539 | strcpy(info.version, EPI_VERSION_STR); | |
1540 | } | |
1541 | ||
1542 | /* otherwise, require dongle to be up */ | |
1543 | else if (!dhd->pub.up) { | |
1544 | DHD_ERROR(("%s: dongle is not up\n", __func__)); | |
1545 | return -ENODEV; | |
1546 | } | |
1547 | ||
1548 | /* finally, report dongle driver type */ | |
1549 | else if (dhd->pub.iswl) | |
1550 | sprintf(info.driver, "wl"); | |
1551 | else | |
1552 | sprintf(info.driver, "xx"); | |
1553 | ||
1554 | sprintf(info.version, "%lu", dhd->pub.drv_version); | |
1555 | if (copy_to_user(uaddr, &info, sizeof(info))) | |
1556 | return -EFAULT; | |
1557 | DHD_CTL(("%s: given %*s, returning %s\n", __func__, | |
1558 | (int)sizeof(drvname), drvname, info.driver)); | |
1559 | break; | |
1560 | ||
1561 | #ifdef TOE | |
1562 | /* Get toe offload components from dongle */ | |
1563 | case ETHTOOL_GRXCSUM: | |
1564 | case ETHTOOL_GTXCSUM: | |
a618cc28 JC |
1565 | ret = dhd_toe_get(dhd, 0, &toe_cmpnt); |
1566 | if (ret < 0) | |
cf2b4488 HP |
1567 | return ret; |
1568 | ||
1569 | csum_dir = | |
1570 | (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | |
1571 | ||
1572 | edata.cmd = cmd; | |
1573 | edata.data = (toe_cmpnt & csum_dir) ? 1 : 0; | |
1574 | ||
1575 | if (copy_to_user(uaddr, &edata, sizeof(edata))) | |
1576 | return -EFAULT; | |
1577 | break; | |
1578 | ||
1579 | /* Set toe offload components in dongle */ | |
1580 | case ETHTOOL_SRXCSUM: | |
1581 | case ETHTOOL_STXCSUM: | |
1582 | if (copy_from_user(&edata, uaddr, sizeof(edata))) | |
1583 | return -EFAULT; | |
1584 | ||
1585 | /* Read the current settings, update and write back */ | |
a618cc28 JC |
1586 | ret = dhd_toe_get(dhd, 0, &toe_cmpnt); |
1587 | if (ret < 0) | |
cf2b4488 HP |
1588 | return ret; |
1589 | ||
1590 | csum_dir = | |
1591 | (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | |
1592 | ||
1593 | if (edata.data != 0) | |
1594 | toe_cmpnt |= csum_dir; | |
1595 | else | |
1596 | toe_cmpnt &= ~csum_dir; | |
1597 | ||
a618cc28 JC |
1598 | ret = dhd_toe_set(dhd, 0, toe_cmpnt); |
1599 | if (ret < 0) | |
cf2b4488 HP |
1600 | return ret; |
1601 | ||
1602 | /* If setting TX checksum mode, tell Linux the new mode */ | |
1603 | if (cmd == ETHTOOL_STXCSUM) { | |
1604 | if (edata.data) | |
1605 | dhd->iflist[0]->net->features |= | |
1606 | NETIF_F_IP_CSUM; | |
1607 | else | |
1608 | dhd->iflist[0]->net->features &= | |
1609 | ~NETIF_F_IP_CSUM; | |
1610 | } | |
1611 | ||
1612 | break; | |
1613 | #endif /* TOE */ | |
1614 | ||
1615 | default: | |
1616 | return -EOPNOTSUPP; | |
1617 | } | |
1618 | ||
1619 | return 0; | |
1620 | } | |
1621 | ||
9014378b BR |
1622 | static s16 linuxbcmerrormap[] = { 0, /* 0 */ |
1623 | -EINVAL, /* BCME_ERROR */ | |
1624 | -EINVAL, /* BCME_BADARG */ | |
1625 | -EINVAL, /* BCME_BADOPTION */ | |
1626 | -EINVAL, /* BCME_NOTUP */ | |
1627 | -EINVAL, /* BCME_NOTDOWN */ | |
1628 | -EINVAL, /* BCME_NOTAP */ | |
1629 | -EINVAL, /* BCME_NOTSTA */ | |
1630 | -EINVAL, /* BCME_BADKEYIDX */ | |
1631 | -EINVAL, /* BCME_RADIOOFF */ | |
1632 | -EINVAL, /* BCME_NOTBANDLOCKED */ | |
1633 | -EINVAL, /* BCME_NOCLK */ | |
1634 | -EINVAL, /* BCME_BADRATESET */ | |
1635 | -EINVAL, /* BCME_BADBAND */ | |
1636 | -E2BIG, /* BCME_BUFTOOSHORT */ | |
1637 | -E2BIG, /* BCME_BUFTOOLONG */ | |
1638 | -EBUSY, /* BCME_BUSY */ | |
1639 | -EINVAL, /* BCME_NOTASSOCIATED */ | |
1640 | -EINVAL, /* BCME_BADSSIDLEN */ | |
1641 | -EINVAL, /* BCME_OUTOFRANGECHAN */ | |
1642 | -EINVAL, /* BCME_BADCHAN */ | |
1643 | -EFAULT, /* BCME_BADADDR */ | |
1644 | -ENOMEM, /* BCME_NORESOURCE */ | |
1645 | -EOPNOTSUPP, /* BCME_UNSUPPORTED */ | |
1646 | -EMSGSIZE, /* BCME_BADLENGTH */ | |
1647 | -EINVAL, /* BCME_NOTREADY */ | |
1648 | -EPERM, /* BCME_NOTPERMITTED */ | |
1649 | -ENOMEM, /* BCME_NOMEM */ | |
1650 | -EINVAL, /* BCME_ASSOCIATED */ | |
1651 | -ERANGE, /* BCME_RANGE */ | |
1652 | -EINVAL, /* BCME_NOTFOUND */ | |
1653 | -EINVAL, /* BCME_WME_NOT_ENABLED */ | |
1654 | -EINVAL, /* BCME_TSPEC_NOTFOUND */ | |
1655 | -EINVAL, /* BCME_ACM_NOTSUPPORTED */ | |
1656 | -EINVAL, /* BCME_NOT_WME_ASSOCIATION */ | |
1657 | -EIO, /* BCME_SDIO_ERROR */ | |
1658 | -ENODEV, /* BCME_DONGLE_DOWN */ | |
1659 | -EINVAL, /* BCME_VERSION */ | |
1660 | -EIO, /* BCME_TXFAIL */ | |
1661 | -EIO, /* BCME_RXFAIL */ | |
1662 | -EINVAL, /* BCME_NODEVICE */ | |
1663 | -EINVAL, /* BCME_NMODE_DISABLED */ | |
1664 | -ENODATA, /* BCME_NONRESIDENT */ | |
1665 | }; | |
1666 | ||
cf2b4488 HP |
1667 | static int dhd_ioctl_entry(struct net_device *net, struct ifreq *ifr, int cmd) |
1668 | { | |
1669 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1670 | dhd_ioctl_t ioc; | |
1671 | int bcmerror = 0; | |
1672 | int buflen = 0; | |
1673 | void *buf = NULL; | |
1674 | uint driver = 0; | |
1675 | int ifidx; | |
1676 | bool is_set_key_cmd; | |
1677 | ||
1678 | ifidx = dhd_net2idx(dhd, net); | |
1679 | DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __func__, ifidx, cmd)); | |
1680 | ||
1681 | if (ifidx == DHD_BAD_IF) | |
1682 | return -1; | |
1683 | ||
1684 | #if defined(CONFIG_WIRELESS_EXT) | |
1685 | /* linux wireless extensions */ | |
1686 | if ((cmd >= SIOCIWFIRST) && (cmd <= SIOCIWLAST)) { | |
1687 | /* may recurse, do NOT lock */ | |
1688 | return wl_iw_ioctl(net, ifr, cmd); | |
1689 | } | |
1690 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
1691 | ||
1692 | if (cmd == SIOCETHTOOL) | |
1693 | return dhd_ethtool(dhd, (void *)ifr->ifr_data); | |
1694 | ||
1695 | if (cmd != SIOCDEVPRIVATE) | |
1696 | return -EOPNOTSUPP; | |
1697 | ||
1698 | memset(&ioc, 0, sizeof(ioc)); | |
1699 | ||
1700 | /* Copy the ioc control structure part of ioctl request */ | |
1701 | if (copy_from_user(&ioc, ifr->ifr_data, sizeof(wl_ioctl_t))) { | |
1702 | bcmerror = -BCME_BADADDR; | |
1703 | goto done; | |
1704 | } | |
1705 | ||
1706 | /* Copy out any buffer passed */ | |
1707 | if (ioc.buf) { | |
53e974db | 1708 | buflen = min_t(int, ioc.len, DHD_IOCTL_MAXLEN); |
cf2b4488 HP |
1709 | /* optimization for direct ioctl calls from kernel */ |
1710 | /* | |
1711 | if (segment_eq(get_fs(), KERNEL_DS)) { | |
1712 | buf = ioc.buf; | |
1713 | } else { | |
1714 | */ | |
1715 | { | |
5fcc1fcb | 1716 | buf = kmalloc(buflen, GFP_ATOMIC); |
a618cc28 | 1717 | if (!buf) { |
cf2b4488 HP |
1718 | bcmerror = -BCME_NOMEM; |
1719 | goto done; | |
1720 | } | |
1721 | if (copy_from_user(buf, ioc.buf, buflen)) { | |
1722 | bcmerror = -BCME_BADADDR; | |
1723 | goto done; | |
1724 | } | |
1725 | } | |
1726 | } | |
1727 | ||
1728 | /* To differentiate between wl and dhd read 4 more byes */ | |
1729 | if ((copy_from_user(&driver, (char *)ifr->ifr_data + sizeof(wl_ioctl_t), | |
1730 | sizeof(uint)) != 0)) { | |
1731 | bcmerror = -BCME_BADADDR; | |
1732 | goto done; | |
1733 | } | |
1734 | ||
1735 | if (!capable(CAP_NET_ADMIN)) { | |
1736 | bcmerror = -BCME_EPERM; | |
1737 | goto done; | |
1738 | } | |
1739 | ||
1740 | /* check for local dhd ioctl and handle it */ | |
1741 | if (driver == DHD_IOCTL_MAGIC) { | |
1742 | bcmerror = dhd_ioctl((void *)&dhd->pub, &ioc, buf, buflen); | |
1743 | if (bcmerror) | |
1744 | dhd->pub.bcmerror = bcmerror; | |
1745 | goto done; | |
1746 | } | |
1747 | ||
1748 | /* send to dongle (must be up, and wl) */ | |
1749 | if ((dhd->pub.busstate != DHD_BUS_DATA)) { | |
1750 | DHD_ERROR(("%s DONGLE_DOWN,__func__\n", __func__)); | |
1751 | bcmerror = BCME_DONGLE_DOWN; | |
1752 | goto done; | |
1753 | } | |
1754 | ||
1755 | if (!dhd->pub.iswl) { | |
1756 | bcmerror = BCME_DONGLE_DOWN; | |
1757 | goto done; | |
1758 | } | |
1759 | ||
1760 | /* Intercept WLC_SET_KEY IOCTL - serialize M4 send and set key IOCTL to | |
1761 | * prevent M4 encryption. | |
1762 | */ | |
1763 | is_set_key_cmd = ((ioc.cmd == WLC_SET_KEY) || | |
1764 | ((ioc.cmd == WLC_SET_VAR) && | |
1765 | !(strncmp("wsec_key", ioc.buf, 9))) || | |
1766 | ((ioc.cmd == WLC_SET_VAR) && | |
1767 | !(strncmp("bsscfg:wsec_key", ioc.buf, 15)))); | |
1768 | if (is_set_key_cmd) | |
1769 | dhd_wait_pend8021x(net); | |
1770 | ||
cf2b4488 HP |
1771 | bcmerror = |
1772 | dhd_prot_ioctl(&dhd->pub, ifidx, (wl_ioctl_t *)&ioc, buf, buflen); | |
1773 | ||
cf2b4488 HP |
1774 | done: |
1775 | if (!bcmerror && buf && ioc.buf) { | |
1776 | if (copy_to_user(ioc.buf, buf, buflen)) | |
1777 | bcmerror = -EFAULT; | |
1778 | } | |
1779 | ||
46d994b1 | 1780 | kfree(buf); |
cf2b4488 | 1781 | |
9014378b BR |
1782 | if (bcmerror > 0) |
1783 | bcmerror = 0; | |
1784 | else if (bcmerror < BCME_LAST) | |
1785 | bcmerror = BCME_ERROR; | |
1786 | ||
1787 | return linuxbcmerrormap[-bcmerror]; | |
cf2b4488 HP |
1788 | } |
1789 | ||
1790 | static int dhd_stop(struct net_device *net) | |
1791 | { | |
1792 | #if !defined(IGNORE_ETH0_DOWN) | |
1793 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1794 | ||
1795 | DHD_TRACE(("%s: Enter\n", __func__)); | |
cf2b4488 HP |
1796 | if (IS_CFG80211_FAVORITE()) { |
1797 | wl_cfg80211_down(); | |
1798 | } | |
cf2b4488 HP |
1799 | if (dhd->pub.up == 0) |
1800 | return 0; | |
1801 | ||
1802 | /* Set state and stop OS transmissions */ | |
1803 | dhd->pub.up = 0; | |
1804 | netif_stop_queue(net); | |
1805 | #else | |
1806 | DHD_ERROR(("BYPASS %s:due to BRCM compilation : under investigation\n", | |
1807 | __func__)); | |
1808 | #endif /* !defined(IGNORE_ETH0_DOWN) */ | |
1809 | ||
cf2b4488 HP |
1810 | return 0; |
1811 | } | |
1812 | ||
1813 | static int dhd_open(struct net_device *net) | |
1814 | { | |
1815 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1816 | #ifdef TOE | |
66cbd3ab | 1817 | u32 toe_ol; |
cf2b4488 HP |
1818 | #endif |
1819 | int ifidx = dhd_net2idx(dhd, net); | |
3e26416e | 1820 | s32 ret = 0; |
cf2b4488 HP |
1821 | |
1822 | DHD_TRACE(("%s: ifidx %d\n", __func__, ifidx)); | |
1823 | ||
1824 | if (ifidx == 0) { /* do it only for primary eth0 */ | |
1825 | ||
1826 | /* try to bring up bus */ | |
a618cc28 JC |
1827 | ret = dhd_bus_start(&dhd->pub); |
1828 | if (ret != 0) { | |
cf2b4488 HP |
1829 | DHD_ERROR(("%s: failed with code %d\n", __func__, ret)); |
1830 | return -1; | |
1831 | } | |
1832 | atomic_set(&dhd->pend_8021x_cnt, 0); | |
1833 | ||
a44d4236 | 1834 | memcpy(net->dev_addr, dhd->pub.mac, ETH_ALEN); |
cf2b4488 HP |
1835 | |
1836 | #ifdef TOE | |
1837 | /* Get current TOE mode from dongle */ | |
1838 | if (dhd_toe_get(dhd, ifidx, &toe_ol) >= 0 | |
1839 | && (toe_ol & TOE_TX_CSUM_OL) != 0) | |
1840 | dhd->iflist[ifidx]->net->features |= NETIF_F_IP_CSUM; | |
1841 | else | |
1842 | dhd->iflist[ifidx]->net->features &= ~NETIF_F_IP_CSUM; | |
1843 | #endif | |
1844 | } | |
1845 | /* Allow transmit calls */ | |
1846 | netif_start_queue(net); | |
1847 | dhd->pub.up = 1; | |
cf2b4488 HP |
1848 | if (IS_CFG80211_FAVORITE()) { |
1849 | if (unlikely(wl_cfg80211_up())) { | |
1850 | DHD_ERROR(("%s: failed to bring up cfg80211\n", | |
1851 | __func__)); | |
1852 | return -1; | |
1853 | } | |
1854 | } | |
cf2b4488 | 1855 | |
cf2b4488 HP |
1856 | return ret; |
1857 | } | |
1858 | ||
cf2b4488 HP |
1859 | int |
1860 | dhd_add_if(dhd_info_t *dhd, int ifidx, void *handle, char *name, | |
66cbd3ab | 1861 | u8 *mac_addr, u32 flags, u8 bssidx) |
cf2b4488 HP |
1862 | { |
1863 | dhd_if_t *ifp; | |
1864 | ||
1865 | DHD_TRACE(("%s: idx %d, handle->%p\n", __func__, ifidx, handle)); | |
1866 | ||
1867 | ASSERT(dhd && (ifidx < DHD_MAX_IFS)); | |
1868 | ||
1869 | ifp = dhd->iflist[ifidx]; | |
5fcc1fcb | 1870 | if (!ifp && !(ifp = kmalloc(sizeof(dhd_if_t), GFP_ATOMIC))) { |
cf2b4488 HP |
1871 | DHD_ERROR(("%s: OOM - dhd_if_t\n", __func__)); |
1872 | return -ENOMEM; | |
1873 | } | |
1874 | ||
1875 | memset(ifp, 0, sizeof(dhd_if_t)); | |
1876 | ifp->info = dhd; | |
1877 | dhd->iflist[ifidx] = ifp; | |
cbf6baac | 1878 | strlcpy(ifp->name, name, IFNAMSIZ); |
cf2b4488 | 1879 | if (mac_addr != NULL) |
b8d63078 | 1880 | memcpy(&ifp->mac_addr, mac_addr, ETH_ALEN); |
cf2b4488 HP |
1881 | |
1882 | if (handle == NULL) { | |
1883 | ifp->state = WLC_E_IF_ADD; | |
1884 | ifp->idx = ifidx; | |
d809dcb9 | 1885 | ASSERT(dhd->sysioc_tsk); |
cf2b4488 HP |
1886 | up(&dhd->sysioc_sem); |
1887 | } else | |
1888 | ifp->net = (struct net_device *)handle; | |
1889 | ||
1890 | return 0; | |
1891 | } | |
1892 | ||
1893 | void dhd_del_if(dhd_info_t *dhd, int ifidx) | |
1894 | { | |
1895 | dhd_if_t *ifp; | |
1896 | ||
1897 | DHD_TRACE(("%s: idx %d\n", __func__, ifidx)); | |
1898 | ||
1899 | ASSERT(dhd && ifidx && (ifidx < DHD_MAX_IFS)); | |
1900 | ifp = dhd->iflist[ifidx]; | |
1901 | if (!ifp) { | |
1902 | DHD_ERROR(("%s: Null interface\n", __func__)); | |
1903 | return; | |
1904 | } | |
1905 | ||
1906 | ifp->state = WLC_E_IF_DEL; | |
1907 | ifp->idx = ifidx; | |
d809dcb9 | 1908 | ASSERT(dhd->sysioc_tsk); |
cf2b4488 HP |
1909 | up(&dhd->sysioc_sem); |
1910 | } | |
1911 | ||
3c9d4c37 | 1912 | dhd_pub_t *dhd_attach(struct dhd_bus *bus, uint bus_hdrlen) |
cf2b4488 HP |
1913 | { |
1914 | dhd_info_t *dhd = NULL; | |
1915 | struct net_device *net; | |
1916 | ||
1917 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1918 | /* updates firmware nvram path if it was provided as module | |
1919 | paramters */ | |
1920 | if ((firmware_path != NULL) && (firmware_path[0] != '\0')) | |
1921 | strcpy(fw_path, firmware_path); | |
1922 | if ((nvram_path != NULL) && (nvram_path[0] != '\0')) | |
1923 | strcpy(nv_path, nvram_path); | |
1924 | ||
1925 | /* Allocate etherdev, including space for private structure */ | |
a618cc28 JC |
1926 | net = alloc_etherdev(sizeof(dhd)); |
1927 | if (!net) { | |
cf2b4488 HP |
1928 | DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); |
1929 | goto fail; | |
1930 | } | |
1931 | ||
1932 | /* Allocate primary dhd_info */ | |
12d0eb47 | 1933 | dhd = kzalloc(sizeof(dhd_info_t), GFP_ATOMIC); |
a618cc28 | 1934 | if (!dhd) { |
cf2b4488 HP |
1935 | DHD_ERROR(("%s: OOM - alloc dhd_info\n", __func__)); |
1936 | goto fail; | |
1937 | } | |
1938 | ||
cf2b4488 HP |
1939 | /* |
1940 | * Save the dhd_info into the priv | |
1941 | */ | |
1942 | memcpy(netdev_priv(net), &dhd, sizeof(dhd)); | |
cf2b4488 HP |
1943 | |
1944 | /* Set network interface name if it was provided as module parameter */ | |
1945 | if (iface_name[0]) { | |
1946 | int len; | |
1947 | char ch; | |
1948 | strncpy(net->name, iface_name, IFNAMSIZ); | |
1949 | net->name[IFNAMSIZ - 1] = 0; | |
1950 | len = strlen(net->name); | |
1951 | ch = net->name[len - 1]; | |
1952 | if ((ch > '9' || ch < '0') && (len < IFNAMSIZ - 2)) | |
1953 | strcat(net->name, "%d"); | |
1954 | } | |
1955 | ||
1956 | if (dhd_add_if(dhd, 0, (void *)net, net->name, NULL, 0, 0) == | |
1957 | DHD_BAD_IF) | |
1958 | goto fail; | |
1959 | ||
1960 | net->netdev_ops = NULL; | |
45f4d024 | 1961 | sema_init(&dhd->proto_sem, 1); |
cf2b4488 HP |
1962 | /* Initialize other structure content */ |
1963 | init_waitqueue_head(&dhd->ioctl_resp_wait); | |
1964 | init_waitqueue_head(&dhd->ctrl_wait); | |
1965 | ||
1966 | /* Initialize the spinlocks */ | |
1967 | spin_lock_init(&dhd->sdlock); | |
1968 | spin_lock_init(&dhd->txqlock); | |
1969 | ||
1970 | /* Link to info module */ | |
1971 | dhd->pub.info = dhd; | |
1972 | ||
1973 | /* Link to bus module */ | |
1974 | dhd->pub.bus = bus; | |
1975 | dhd->pub.hdrlen = bus_hdrlen; | |
1976 | ||
1977 | /* Attach and link in the protocol */ | |
1978 | if (dhd_prot_attach(&dhd->pub) != 0) { | |
1979 | DHD_ERROR(("dhd_prot_attach failed\n")); | |
1980 | goto fail; | |
1981 | } | |
1982 | #if defined(CONFIG_WIRELESS_EXT) | |
1983 | /* Attach and link in the iw */ | |
1984 | if (wl_iw_attach(net, (void *)&dhd->pub) != 0) { | |
1985 | DHD_ERROR(("wl_iw_attach failed\n")); | |
1986 | goto fail; | |
1987 | } | |
1e8dd5b9 | 1988 | #endif /* defined(CONFIG_WIRELESS_EXT) */ |
cf2b4488 | 1989 | |
cf2b4488 HP |
1990 | /* Attach and link in the cfg80211 */ |
1991 | if (IS_CFG80211_FAVORITE()) { | |
1992 | if (unlikely(wl_cfg80211_attach(net, &dhd->pub))) { | |
1993 | DHD_ERROR(("wl_cfg80211_attach failed\n")); | |
1994 | goto fail; | |
1995 | } | |
1996 | if (!NO_FW_REQ()) { | |
1997 | strcpy(fw_path, wl_cfg80211_get_fwname()); | |
1998 | strcpy(nv_path, wl_cfg80211_get_nvramname()); | |
1999 | } | |
2000 | wl_cfg80211_dbg_level(DBG_CFG80211_GET()); | |
2001 | } | |
cf2b4488 HP |
2002 | |
2003 | /* Set up the watchdog timer */ | |
2004 | init_timer(&dhd->timer); | |
3deea904 | 2005 | dhd->timer.data = (unsigned long) dhd; |
cf2b4488 HP |
2006 | dhd->timer.function = dhd_watchdog; |
2007 | ||
2008 | /* Initialize thread based operation and lock */ | |
45f4d024 | 2009 | sema_init(&dhd->sdsem, 1); |
cf2b4488 | 2010 | if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0)) |
0f0881b0 | 2011 | dhd->threads_only = true; |
cf2b4488 | 2012 | else |
0965ae88 | 2013 | dhd->threads_only = false; |
cf2b4488 HP |
2014 | |
2015 | if (dhd_dpc_prio >= 0) { | |
2016 | /* Initialize watchdog thread */ | |
2017 | sema_init(&dhd->watchdog_sem, 0); | |
860708d9 JC |
2018 | dhd->watchdog_tsk = kthread_run(dhd_watchdog_thread, dhd, |
2019 | "dhd_watchdog"); | |
2020 | if (IS_ERR(dhd->watchdog_tsk)) { | |
2021 | printk(KERN_WARNING | |
2022 | "dhd_watchdog thread failed to start\n"); | |
2023 | dhd->watchdog_tsk = NULL; | |
2024 | } | |
cf2b4488 | 2025 | } else { |
860708d9 | 2026 | dhd->watchdog_tsk = NULL; |
cf2b4488 HP |
2027 | } |
2028 | ||
2029 | /* Set up the bottom half handler */ | |
2030 | if (dhd_dpc_prio >= 0) { | |
2031 | /* Initialize DPC thread */ | |
2032 | sema_init(&dhd->dpc_sem, 0); | |
ecd7559d JC |
2033 | dhd->dpc_tsk = kthread_run(dhd_dpc_thread, dhd, "dhd_dpc"); |
2034 | if (IS_ERR(dhd->dpc_tsk)) { | |
2035 | printk(KERN_WARNING | |
2036 | "dhd_dpc thread failed to start\n"); | |
2037 | dhd->dpc_tsk = NULL; | |
2038 | } | |
cf2b4488 | 2039 | } else { |
3deea904 | 2040 | tasklet_init(&dhd->tasklet, dhd_dpc, (unsigned long) dhd); |
ecd7559d | 2041 | dhd->dpc_tsk = NULL; |
cf2b4488 HP |
2042 | } |
2043 | ||
2044 | if (dhd_sysioc) { | |
2045 | sema_init(&dhd->sysioc_sem, 0); | |
d809dcb9 JC |
2046 | dhd->sysioc_tsk = kthread_run(_dhd_sysioc_thread, dhd, |
2047 | "_dhd_sysioc"); | |
2048 | if (IS_ERR(dhd->sysioc_tsk)) { | |
2049 | printk(KERN_WARNING | |
2050 | "_dhd_sysioc thread failed to start\n"); | |
2051 | dhd->sysioc_tsk = NULL; | |
2052 | } | |
2053 | } else | |
2054 | dhd->sysioc_tsk = NULL; | |
cf2b4488 HP |
2055 | |
2056 | /* | |
2057 | * Save the dhd_info into the priv | |
2058 | */ | |
2059 | memcpy(netdev_priv(net), &dhd, sizeof(dhd)); | |
2060 | ||
2061 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2062 | g_bus = bus; | |
2063 | #endif | |
2064 | #if defined(CONFIG_PM_SLEEP) | |
2065 | register_pm_notifier(&dhd_sleep_pm_notifier); | |
2066 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
2067 | /* && defined(DHD_GPL) */ | |
2068 | /* Init lock suspend to prevent kernel going to suspend */ | |
cf2b4488 HP |
2069 | #ifdef CONFIG_HAS_EARLYSUSPEND |
2070 | dhd->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 20; | |
2071 | dhd->early_suspend.suspend = dhd_early_suspend; | |
2072 | dhd->early_suspend.resume = dhd_late_resume; | |
2073 | register_early_suspend(&dhd->early_suspend); | |
2074 | #endif | |
2075 | ||
2076 | return &dhd->pub; | |
2077 | ||
2078 | fail: | |
2079 | if (net) | |
2080 | free_netdev(net); | |
2081 | if (dhd) | |
2082 | dhd_detach(&dhd->pub); | |
2083 | ||
2084 | return NULL; | |
2085 | } | |
2086 | ||
2087 | int dhd_bus_start(dhd_pub_t *dhdp) | |
2088 | { | |
2089 | int ret = -1; | |
2090 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
2091 | #ifdef EMBEDDED_PLATFORM | |
2092 | char iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + | |
2093 | '\0' + bitvec */ | |
2094 | #endif /* EMBEDDED_PLATFORM */ | |
2095 | ||
2096 | ASSERT(dhd); | |
2097 | ||
2098 | DHD_TRACE(("%s:\n", __func__)); | |
2099 | ||
2100 | /* try to download image and nvram to the dongle */ | |
2101 | if (dhd->pub.busstate == DHD_BUS_DOWN) { | |
8da4a3a0 | 2102 | if (!(dhd_bus_download_firmware(dhd->pub.bus, |
cf2b4488 HP |
2103 | fw_path, nv_path))) { |
2104 | DHD_ERROR(("%s: dhdsdio_probe_download failed. " | |
2105 | "firmware = %s nvram = %s\n", | |
2106 | __func__, fw_path, nv_path)); | |
cf2b4488 HP |
2107 | return -1; |
2108 | } | |
cf2b4488 HP |
2109 | } |
2110 | ||
2111 | /* Start the watchdog timer */ | |
2112 | dhd->pub.tickcnt = 0; | |
2113 | dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms); | |
2114 | ||
2115 | /* Bring up the bus */ | |
0f0881b0 | 2116 | ret = dhd_bus_init(&dhd->pub, true); |
a618cc28 | 2117 | if (ret != 0) { |
cf2b4488 HP |
2118 | DHD_ERROR(("%s, dhd_bus_init failed %d\n", __func__, ret)); |
2119 | return ret; | |
2120 | } | |
2121 | #if defined(OOB_INTR_ONLY) | |
2122 | /* Host registration for OOB interrupt */ | |
2123 | if (bcmsdh_register_oob_intr(dhdp)) { | |
2124 | del_timer_sync(&dhd->timer); | |
0965ae88 | 2125 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2126 | DHD_ERROR(("%s Host failed to resgister for OOB\n", __func__)); |
2127 | return -ENODEV; | |
2128 | } | |
2129 | ||
2130 | /* Enable oob at firmware */ | |
0f0881b0 | 2131 | dhd_enable_oob_intr(dhd->pub.bus, true); |
cf2b4488 HP |
2132 | #endif /* defined(OOB_INTR_ONLY) */ |
2133 | ||
2134 | /* If bus is not ready, can't come up */ | |
2135 | if (dhd->pub.busstate != DHD_BUS_DATA) { | |
2136 | del_timer_sync(&dhd->timer); | |
0965ae88 | 2137 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2138 | DHD_ERROR(("%s failed bus is not ready\n", __func__)); |
2139 | return -ENODEV; | |
2140 | } | |
2141 | #ifdef EMBEDDED_PLATFORM | |
2142 | bcm_mkiovar("event_msgs", dhdp->eventmask, WL_EVENTING_MASK_LEN, iovbuf, | |
2143 | sizeof(iovbuf)); | |
2144 | dhdcdc_query_ioctl(dhdp, 0, WLC_GET_VAR, iovbuf, sizeof(iovbuf)); | |
02160695 | 2145 | memcpy(dhdp->eventmask, iovbuf, WL_EVENTING_MASK_LEN); |
cf2b4488 HP |
2146 | |
2147 | setbit(dhdp->eventmask, WLC_E_SET_SSID); | |
2148 | setbit(dhdp->eventmask, WLC_E_PRUNE); | |
2149 | setbit(dhdp->eventmask, WLC_E_AUTH); | |
2150 | setbit(dhdp->eventmask, WLC_E_REASSOC); | |
2151 | setbit(dhdp->eventmask, WLC_E_REASSOC_IND); | |
2152 | setbit(dhdp->eventmask, WLC_E_DEAUTH_IND); | |
2153 | setbit(dhdp->eventmask, WLC_E_DISASSOC_IND); | |
2154 | setbit(dhdp->eventmask, WLC_E_DISASSOC); | |
2155 | setbit(dhdp->eventmask, WLC_E_JOIN); | |
2156 | setbit(dhdp->eventmask, WLC_E_ASSOC_IND); | |
2157 | setbit(dhdp->eventmask, WLC_E_PSK_SUP); | |
2158 | setbit(dhdp->eventmask, WLC_E_LINK); | |
2159 | setbit(dhdp->eventmask, WLC_E_NDIS_LINK); | |
2160 | setbit(dhdp->eventmask, WLC_E_MIC_ERROR); | |
2161 | setbit(dhdp->eventmask, WLC_E_PMKID_CACHE); | |
2162 | setbit(dhdp->eventmask, WLC_E_TXFAIL); | |
2163 | setbit(dhdp->eventmask, WLC_E_JOIN_START); | |
2164 | setbit(dhdp->eventmask, WLC_E_SCAN_COMPLETE); | |
2165 | #ifdef PNO_SUPPORT | |
2166 | setbit(dhdp->eventmask, WLC_E_PFN_NET_FOUND); | |
2167 | #endif /* PNO_SUPPORT */ | |
2168 | ||
2169 | /* enable dongle roaming event */ | |
2170 | ||
2171 | dhdp->pktfilter_count = 1; | |
2172 | /* Setup filter to allow only unicast */ | |
2173 | dhdp->pktfilter[0] = "100 0 0 0 0x01 0x00"; | |
2174 | #endif /* EMBEDDED_PLATFORM */ | |
2175 | ||
2176 | /* Bus is ready, do any protocol initialization */ | |
a618cc28 JC |
2177 | ret = dhd_prot_init(&dhd->pub); |
2178 | if (ret < 0) | |
cf2b4488 HP |
2179 | return ret; |
2180 | ||
2181 | return 0; | |
2182 | } | |
2183 | ||
2184 | int | |
2185 | dhd_iovar(dhd_pub_t *pub, int ifidx, char *name, char *cmd_buf, uint cmd_len, | |
2186 | int set) | |
2187 | { | |
2188 | char buf[strlen(name) + 1 + cmd_len]; | |
2189 | int len = sizeof(buf); | |
2190 | wl_ioctl_t ioc; | |
2191 | int ret; | |
2192 | ||
2193 | len = bcm_mkiovar(name, cmd_buf, cmd_len, buf, len); | |
2194 | ||
2195 | memset(&ioc, 0, sizeof(ioc)); | |
2196 | ||
2197 | ioc.cmd = set ? WLC_SET_VAR : WLC_GET_VAR; | |
2198 | ioc.buf = buf; | |
2199 | ioc.len = len; | |
2200 | ioc.set = set; | |
2201 | ||
2202 | ret = dhd_prot_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len); | |
2203 | if (!set && ret >= 0) | |
2204 | memcpy(cmd_buf, buf, cmd_len); | |
2205 | ||
2206 | return ret; | |
2207 | } | |
2208 | ||
2209 | static struct net_device_ops dhd_ops_pri = { | |
2210 | .ndo_open = dhd_open, | |
2211 | .ndo_stop = dhd_stop, | |
2212 | .ndo_get_stats = dhd_get_stats, | |
2213 | .ndo_do_ioctl = dhd_ioctl_entry, | |
2214 | .ndo_start_xmit = dhd_start_xmit, | |
2215 | .ndo_set_mac_address = dhd_set_mac_address, | |
2216 | .ndo_set_multicast_list = dhd_set_multicast_list | |
2217 | }; | |
2218 | ||
cf2b4488 HP |
2219 | int dhd_net_attach(dhd_pub_t *dhdp, int ifidx) |
2220 | { | |
2221 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
2222 | struct net_device *net; | |
b8d63078 | 2223 | u8 temp_addr[ETH_ALEN] = { |
cf2b4488 HP |
2224 | 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33}; |
2225 | ||
2226 | DHD_TRACE(("%s: ifidx %d\n", __func__, ifidx)); | |
2227 | ||
2228 | ASSERT(dhd && dhd->iflist[ifidx]); | |
2229 | ||
2230 | net = dhd->iflist[ifidx]->net; | |
2231 | ASSERT(net); | |
2232 | ||
2233 | ASSERT(!net->netdev_ops); | |
cf2b4488 HP |
2234 | net->netdev_ops = &dhd_ops_pri; |
2235 | ||
2236 | /* | |
2237 | * We have to use the primary MAC for virtual interfaces | |
2238 | */ | |
2239 | if (ifidx != 0) { | |
2240 | /* for virtual interfaces use the primary MAC */ | |
a44d4236 | 2241 | memcpy(temp_addr, dhd->pub.mac, ETH_ALEN); |
cf2b4488 HP |
2242 | |
2243 | } | |
2244 | ||
2245 | if (ifidx == 1) { | |
2246 | DHD_TRACE(("%s ACCESS POINT MAC: \n", __func__)); | |
2247 | /* ACCESSPOINT INTERFACE CASE */ | |
2248 | temp_addr[0] |= 0X02; /* set bit 2 , | |
2249 | - Locally Administered address */ | |
2250 | ||
2251 | } | |
2252 | net->hard_header_len = ETH_HLEN + dhd->pub.hdrlen; | |
2253 | net->ethtool_ops = &dhd_ethtool_ops; | |
2254 | ||
2255 | #if defined(CONFIG_WIRELESS_EXT) | |
cf2b4488 | 2256 | if (!IS_CFG80211_FAVORITE()) { |
cf2b4488 HP |
2257 | #if WIRELESS_EXT < 19 |
2258 | net->get_wireless_stats = dhd_get_wireless_stats; | |
2259 | #endif /* WIRELESS_EXT < 19 */ | |
2260 | #if WIRELESS_EXT > 12 | |
2261 | net->wireless_handlers = | |
2262 | (struct iw_handler_def *)&wl_iw_handler_def; | |
2263 | #endif /* WIRELESS_EXT > 12 */ | |
cf2b4488 | 2264 | } |
cf2b4488 HP |
2265 | #endif /* defined(CONFIG_WIRELESS_EXT) */ |
2266 | ||
2267 | dhd->pub.rxsz = net->mtu + net->hard_header_len + dhd->pub.hdrlen; | |
2268 | ||
b8d63078 | 2269 | memcpy(net->dev_addr, temp_addr, ETH_ALEN); |
cf2b4488 HP |
2270 | |
2271 | if (register_netdev(net) != 0) { | |
2272 | DHD_ERROR(("%s: couldn't register the net device\n", | |
2273 | __func__)); | |
2274 | goto fail; | |
2275 | } | |
2276 | ||
0bef7748 | 2277 | DHD_INFO(("%s: Broadcom Dongle Host Driver\n", net->name)); |
cf2b4488 HP |
2278 | |
2279 | return 0; | |
2280 | ||
2281 | fail: | |
2282 | net->netdev_ops = NULL; | |
2283 | return BCME_ERROR; | |
2284 | } | |
2285 | ||
2286 | void dhd_bus_detach(dhd_pub_t *dhdp) | |
2287 | { | |
2288 | dhd_info_t *dhd; | |
2289 | ||
2290 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2291 | ||
2292 | if (dhdp) { | |
2293 | dhd = (dhd_info_t *) dhdp->info; | |
2294 | if (dhd) { | |
2295 | /* Stop the protocol module */ | |
2296 | dhd_prot_stop(&dhd->pub); | |
2297 | ||
2298 | /* Stop the bus module */ | |
0f0881b0 | 2299 | dhd_bus_stop(dhd->pub.bus, true); |
cf2b4488 HP |
2300 | #if defined(OOB_INTR_ONLY) |
2301 | bcmsdh_unregister_oob_intr(); | |
2302 | #endif /* defined(OOB_INTR_ONLY) */ | |
2303 | ||
2304 | /* Clear the watchdog timer */ | |
2305 | del_timer_sync(&dhd->timer); | |
0965ae88 | 2306 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2307 | } |
2308 | } | |
2309 | } | |
2310 | ||
2311 | void dhd_detach(dhd_pub_t *dhdp) | |
2312 | { | |
2313 | dhd_info_t *dhd; | |
2314 | ||
2315 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2316 | ||
2317 | if (dhdp) { | |
2318 | dhd = (dhd_info_t *) dhdp->info; | |
2319 | if (dhd) { | |
2320 | dhd_if_t *ifp; | |
2321 | int i; | |
2322 | ||
2323 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
2324 | if (dhd->early_suspend.suspend) | |
2325 | unregister_early_suspend(&dhd->early_suspend); | |
2326 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
2327 | ||
2328 | for (i = 1; i < DHD_MAX_IFS; i++) | |
2329 | if (dhd->iflist[i]) | |
2330 | dhd_del_if(dhd, i); | |
2331 | ||
2332 | ifp = dhd->iflist[0]; | |
2333 | ASSERT(ifp); | |
2334 | if (ifp->net->netdev_ops == &dhd_ops_pri) { | |
2335 | dhd_stop(ifp->net); | |
2336 | unregister_netdev(ifp->net); | |
2337 | } | |
2338 | ||
860708d9 | 2339 | if (dhd->watchdog_tsk) { |
7356f429 | 2340 | send_sig(SIGTERM, dhd->watchdog_tsk, 1); |
860708d9 JC |
2341 | kthread_stop(dhd->watchdog_tsk); |
2342 | dhd->watchdog_tsk = NULL; | |
cf2b4488 HP |
2343 | } |
2344 | ||
ecd7559d | 2345 | if (dhd->dpc_tsk) { |
7356f429 | 2346 | send_sig(SIGTERM, dhd->dpc_tsk, 1); |
ecd7559d JC |
2347 | kthread_stop(dhd->dpc_tsk); |
2348 | dhd->dpc_tsk = NULL; | |
eeb8e46b | 2349 | } else |
cf2b4488 HP |
2350 | tasklet_kill(&dhd->tasklet); |
2351 | ||
d809dcb9 | 2352 | if (dhd->sysioc_tsk) { |
7356f429 | 2353 | send_sig(SIGTERM, dhd->sysioc_tsk, 1); |
d809dcb9 JC |
2354 | kthread_stop(dhd->sysioc_tsk); |
2355 | dhd->sysioc_tsk = NULL; | |
cf2b4488 HP |
2356 | } |
2357 | ||
2358 | dhd_bus_detach(dhdp); | |
2359 | ||
2360 | if (dhdp->prot) | |
2361 | dhd_prot_detach(dhdp); | |
2362 | ||
2363 | #if defined(CONFIG_WIRELESS_EXT) | |
2364 | wl_iw_detach(); | |
2365 | #endif /* (CONFIG_WIRELESS_EXT) */ | |
2366 | ||
cf2b4488 HP |
2367 | if (IS_CFG80211_FAVORITE()) |
2368 | wl_cfg80211_detach(); | |
cf2b4488 HP |
2369 | |
2370 | #if defined(CONFIG_PM_SLEEP) | |
2371 | unregister_pm_notifier(&dhd_sleep_pm_notifier); | |
2372 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
2373 | /* && defined(DHD_GPL) */ | |
cf2b4488 | 2374 | free_netdev(ifp->net); |
182acb3c MR |
2375 | kfree(ifp); |
2376 | kfree(dhd); | |
cf2b4488 HP |
2377 | } |
2378 | } | |
2379 | } | |
2380 | ||
2381 | static void __exit dhd_module_cleanup(void) | |
2382 | { | |
2383 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2384 | ||
2385 | dhd_bus_unregister(); | |
2386 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2387 | wifi_del_dev(); | |
2388 | #endif | |
2389 | /* Call customer gpio to turn off power with WL_REG_ON signal */ | |
2390 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF); | |
2391 | } | |
2392 | ||
2393 | static int __init dhd_module_init(void) | |
2394 | { | |
2395 | int error; | |
2396 | ||
2397 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2398 | ||
2399 | /* Sanity check on the module parameters */ | |
2400 | do { | |
2401 | /* Both watchdog and DPC as tasklets are ok */ | |
2402 | if ((dhd_watchdog_prio < 0) && (dhd_dpc_prio < 0)) | |
2403 | break; | |
2404 | ||
2405 | /* If both watchdog and DPC are threads, TX must be deferred */ | |
2406 | if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0) | |
2407 | && dhd_deferred_tx) | |
2408 | break; | |
2409 | ||
2410 | DHD_ERROR(("Invalid module parameters.\n")); | |
2411 | return -EINVAL; | |
2412 | } while (0); | |
2413 | /* Call customer gpio to turn on power with WL_REG_ON signal */ | |
2414 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_ON); | |
2415 | ||
2416 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2417 | sema_init(&wifi_control_sem, 0); | |
2418 | ||
2419 | error = wifi_add_dev(); | |
2420 | if (error) { | |
2421 | DHD_ERROR(("%s: platform_driver_register failed\n", __func__)); | |
f0c0dda0 | 2422 | goto failed; |
cf2b4488 HP |
2423 | } |
2424 | ||
2425 | /* Waiting callback after platform_driver_register is done or | |
2426 | exit with error */ | |
2427 | if (down_timeout(&wifi_control_sem, msecs_to_jiffies(1000)) != 0) { | |
2428 | printk(KERN_ERR "%s: platform_driver_register timeout\n", | |
2429 | __func__); | |
2430 | /* remove device */ | |
2431 | wifi_del_dev(); | |
f0c0dda0 | 2432 | goto failed; |
cf2b4488 HP |
2433 | } |
2434 | #endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ | |
2435 | ||
2436 | error = dhd_bus_register(); | |
2437 | ||
49ba9d2d | 2438 | if (error) { |
cf2b4488 | 2439 | DHD_ERROR(("%s: sdio_register_driver failed\n", __func__)); |
f0c0dda0 | 2440 | goto failed; |
cf2b4488 HP |
2441 | } |
2442 | return error; | |
2443 | ||
f0c0dda0 | 2444 | failed: |
cf2b4488 HP |
2445 | /* turn off power and exit */ |
2446 | dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF); | |
2447 | return -EINVAL; | |
2448 | } | |
2449 | ||
2450 | module_init(dhd_module_init); | |
2451 | module_exit(dhd_module_cleanup); | |
2452 | ||
2453 | /* | |
2454 | * OS specific functions required to implement DHD driver in OS independent way | |
2455 | */ | |
2456 | int dhd_os_proto_block(dhd_pub_t *pub) | |
2457 | { | |
2458 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2459 | ||
2460 | if (dhd) { | |
2461 | down(&dhd->proto_sem); | |
2462 | return 1; | |
2463 | } | |
2464 | return 0; | |
2465 | } | |
2466 | ||
2467 | int dhd_os_proto_unblock(dhd_pub_t *pub) | |
2468 | { | |
2469 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2470 | ||
2471 | if (dhd) { | |
2472 | up(&dhd->proto_sem); | |
2473 | return 1; | |
2474 | } | |
2475 | ||
2476 | return 0; | |
2477 | } | |
2478 | ||
2479 | unsigned int dhd_os_get_ioctl_resp_timeout(void) | |
2480 | { | |
2481 | return (unsigned int)dhd_ioctl_timeout_msec; | |
2482 | } | |
2483 | ||
2484 | void dhd_os_set_ioctl_resp_timeout(unsigned int timeout_msec) | |
2485 | { | |
2486 | dhd_ioctl_timeout_msec = (int)timeout_msec; | |
2487 | } | |
2488 | ||
2489 | int dhd_os_ioctl_resp_wait(dhd_pub_t *pub, uint *condition, bool *pending) | |
2490 | { | |
2491 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2492 | DECLARE_WAITQUEUE(wait, current); | |
2493 | int timeout = dhd_ioctl_timeout_msec; | |
2494 | ||
2495 | /* Convert timeout in millsecond to jiffies */ | |
2496 | timeout = timeout * HZ / 1000; | |
2497 | ||
2498 | /* Wait until control frame is available */ | |
2499 | add_wait_queue(&dhd->ioctl_resp_wait, &wait); | |
2500 | set_current_state(TASK_INTERRUPTIBLE); | |
2501 | ||
2502 | while (!(*condition) && (!signal_pending(current) && timeout)) | |
2503 | timeout = schedule_timeout(timeout); | |
2504 | ||
2505 | if (signal_pending(current)) | |
0f0881b0 | 2506 | *pending = true; |
cf2b4488 HP |
2507 | |
2508 | set_current_state(TASK_RUNNING); | |
2509 | remove_wait_queue(&dhd->ioctl_resp_wait, &wait); | |
2510 | ||
2511 | return timeout; | |
2512 | } | |
2513 | ||
2514 | int dhd_os_ioctl_resp_wake(dhd_pub_t *pub) | |
2515 | { | |
2516 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2517 | ||
2518 | if (waitqueue_active(&dhd->ioctl_resp_wait)) | |
2519 | wake_up_interruptible(&dhd->ioctl_resp_wait); | |
2520 | ||
2521 | return 0; | |
2522 | } | |
2523 | ||
2524 | void dhd_os_wd_timer(void *bus, uint wdtick) | |
2525 | { | |
2526 | dhd_pub_t *pub = bus; | |
5f782dee | 2527 | static uint save_dhd_watchdog_ms; |
cf2b4488 HP |
2528 | dhd_info_t *dhd = (dhd_info_t *) pub->info; |
2529 | ||
2530 | /* don't start the wd until fw is loaded */ | |
2531 | if (pub->busstate == DHD_BUS_DOWN) | |
2532 | return; | |
2533 | ||
2534 | /* Totally stop the timer */ | |
0f0881b0 | 2535 | if (!wdtick && dhd->wd_timer_valid == true) { |
cf2b4488 | 2536 | del_timer_sync(&dhd->timer); |
0965ae88 | 2537 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2538 | save_dhd_watchdog_ms = wdtick; |
2539 | return; | |
2540 | } | |
2541 | ||
2542 | if (wdtick) { | |
2543 | dhd_watchdog_ms = (uint) wdtick; | |
2544 | ||
2545 | if (save_dhd_watchdog_ms != dhd_watchdog_ms) { | |
2546 | ||
0f0881b0 | 2547 | if (dhd->wd_timer_valid == true) |
cf2b4488 HP |
2548 | /* Stop timer and restart at new value */ |
2549 | del_timer_sync(&dhd->timer); | |
2550 | ||
2551 | /* Create timer again when watchdog period is | |
2552 | dynamically changed or in the first instance | |
2553 | */ | |
2554 | dhd->timer.expires = | |
2555 | jiffies + dhd_watchdog_ms * HZ / 1000; | |
2556 | add_timer(&dhd->timer); | |
2557 | ||
2558 | } else { | |
2559 | /* Re arm the timer, at last watchdog period */ | |
2560 | mod_timer(&dhd->timer, | |
2561 | jiffies + dhd_watchdog_ms * HZ / 1000); | |
2562 | } | |
2563 | ||
0f0881b0 | 2564 | dhd->wd_timer_valid = true; |
cf2b4488 HP |
2565 | save_dhd_watchdog_ms = wdtick; |
2566 | } | |
2567 | } | |
2568 | ||
2569 | void *dhd_os_open_image(char *filename) | |
2570 | { | |
2571 | struct file *fp; | |
2572 | ||
cf2b4488 HP |
2573 | if (IS_CFG80211_FAVORITE() && !NO_FW_REQ()) |
2574 | return wl_cfg80211_request_fw(filename); | |
cf2b4488 HP |
2575 | |
2576 | fp = filp_open(filename, O_RDONLY, 0); | |
2577 | /* | |
2578 | * 2.6.11 (FC4) supports filp_open() but later revs don't? | |
2579 | * Alternative: | |
2580 | * fp = open_namei(AT_FDCWD, filename, O_RD, 0); | |
2581 | * ??? | |
2582 | */ | |
2583 | if (IS_ERR(fp)) | |
2584 | fp = NULL; | |
2585 | ||
2586 | return fp; | |
2587 | } | |
2588 | ||
2589 | int dhd_os_get_image_block(char *buf, int len, void *image) | |
2590 | { | |
2591 | struct file *fp = (struct file *)image; | |
2592 | int rdlen; | |
2593 | ||
cf2b4488 HP |
2594 | if (IS_CFG80211_FAVORITE() && !NO_FW_REQ()) |
2595 | return wl_cfg80211_read_fw(buf, len); | |
cf2b4488 HP |
2596 | |
2597 | if (!image) | |
2598 | return 0; | |
2599 | ||
2600 | rdlen = kernel_read(fp, fp->f_pos, buf, len); | |
2601 | if (rdlen > 0) | |
2602 | fp->f_pos += rdlen; | |
2603 | ||
2604 | return rdlen; | |
2605 | } | |
2606 | ||
2607 | void dhd_os_close_image(void *image) | |
2608 | { | |
cf2b4488 HP |
2609 | if (IS_CFG80211_FAVORITE() && !NO_FW_REQ()) |
2610 | return wl_cfg80211_release_fw(); | |
cf2b4488 HP |
2611 | if (image) |
2612 | filp_close((struct file *)image, NULL); | |
2613 | } | |
2614 | ||
2615 | void dhd_os_sdlock(dhd_pub_t *pub) | |
2616 | { | |
2617 | dhd_info_t *dhd; | |
2618 | ||
2619 | dhd = (dhd_info_t *) (pub->info); | |
2620 | ||
2621 | if (dhd->threads_only) | |
2622 | down(&dhd->sdsem); | |
2623 | else | |
2624 | spin_lock_bh(&dhd->sdlock); | |
2625 | } | |
2626 | ||
2627 | void dhd_os_sdunlock(dhd_pub_t *pub) | |
2628 | { | |
2629 | dhd_info_t *dhd; | |
2630 | ||
2631 | dhd = (dhd_info_t *) (pub->info); | |
2632 | ||
2633 | if (dhd->threads_only) | |
2634 | up(&dhd->sdsem); | |
2635 | else | |
2636 | spin_unlock_bh(&dhd->sdlock); | |
2637 | } | |
2638 | ||
2639 | void dhd_os_sdlock_txq(dhd_pub_t *pub) | |
2640 | { | |
2641 | dhd_info_t *dhd; | |
2642 | ||
2643 | dhd = (dhd_info_t *) (pub->info); | |
2644 | spin_lock_bh(&dhd->txqlock); | |
2645 | } | |
2646 | ||
2647 | void dhd_os_sdunlock_txq(dhd_pub_t *pub) | |
2648 | { | |
2649 | dhd_info_t *dhd; | |
2650 | ||
2651 | dhd = (dhd_info_t *) (pub->info); | |
2652 | spin_unlock_bh(&dhd->txqlock); | |
2653 | } | |
2654 | ||
2655 | void dhd_os_sdlock_rxq(dhd_pub_t *pub) | |
2656 | { | |
2657 | } | |
2658 | ||
2659 | void dhd_os_sdunlock_rxq(dhd_pub_t *pub) | |
2660 | { | |
2661 | } | |
2662 | ||
2663 | void dhd_os_sdtxlock(dhd_pub_t *pub) | |
2664 | { | |
2665 | dhd_os_sdlock(pub); | |
2666 | } | |
2667 | ||
2668 | void dhd_os_sdtxunlock(dhd_pub_t *pub) | |
2669 | { | |
2670 | dhd_os_sdunlock(pub); | |
2671 | } | |
2672 | ||
cf2b4488 HP |
2673 | #if defined(CONFIG_WIRELESS_EXT) |
2674 | struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev) | |
2675 | { | |
2676 | int res = 0; | |
2677 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
2678 | ||
2679 | res = wl_iw_get_wireless_stats(dev, &dhd->iw.wstats); | |
2680 | ||
2681 | if (res == 0) | |
2682 | return &dhd->iw.wstats; | |
2683 | else | |
2684 | return NULL; | |
2685 | } | |
2686 | #endif /* defined(CONFIG_WIRELESS_EXT) */ | |
2687 | ||
2688 | static int | |
2689 | dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, | |
2690 | wl_event_msg_t *event, void **data) | |
2691 | { | |
2692 | int bcmerror = 0; | |
2693 | ||
2694 | ASSERT(dhd != NULL); | |
2695 | ||
2696 | bcmerror = wl_host_event(dhd, ifidx, pktdata, event, data); | |
2697 | if (bcmerror != BCME_OK) | |
2698 | return bcmerror; | |
2699 | ||
2700 | #if defined(CONFIG_WIRELESS_EXT) | |
cf2b4488 | 2701 | if (!IS_CFG80211_FAVORITE()) { |
cf2b4488 HP |
2702 | if ((dhd->iflist[*ifidx] == NULL) |
2703 | || (dhd->iflist[*ifidx]->net == NULL)) { | |
2704 | DHD_ERROR(("%s Exit null pointer\n", __func__)); | |
2705 | return bcmerror; | |
2706 | } | |
2707 | ||
2708 | if (dhd->iflist[*ifidx]->net) | |
2709 | wl_iw_event(dhd->iflist[*ifidx]->net, event, *data); | |
cf2b4488 | 2710 | } |
cf2b4488 HP |
2711 | #endif /* defined(CONFIG_WIRELESS_EXT) */ |
2712 | ||
cf2b4488 HP |
2713 | if (IS_CFG80211_FAVORITE()) { |
2714 | ASSERT(dhd->iflist[*ifidx] != NULL); | |
2715 | ASSERT(dhd->iflist[*ifidx]->net != NULL); | |
2716 | if (dhd->iflist[*ifidx]->net) | |
2717 | wl_cfg80211_event(dhd->iflist[*ifidx]->net, event, | |
2718 | *data); | |
2719 | } | |
cf2b4488 HP |
2720 | |
2721 | return bcmerror; | |
2722 | } | |
2723 | ||
2724 | /* send up locally generated event */ | |
2725 | void dhd_sendup_event(dhd_pub_t *dhdp, wl_event_msg_t *event, void *data) | |
2726 | { | |
628f10ba | 2727 | switch (be32_to_cpu(event->event_type)) { |
cf2b4488 HP |
2728 | default: |
2729 | break; | |
2730 | } | |
2731 | } | |
2732 | ||
2733 | void dhd_wait_for_event(dhd_pub_t *dhd, bool *lockvar) | |
2734 | { | |
2735 | struct dhd_info *dhdinfo = dhd->info; | |
2736 | dhd_os_sdunlock(dhd); | |
2737 | wait_event_interruptible_timeout(dhdinfo->ctrl_wait, | |
0965ae88 | 2738 | (*lockvar == false), HZ * 2); |
cf2b4488 HP |
2739 | dhd_os_sdlock(dhd); |
2740 | return; | |
2741 | } | |
2742 | ||
2743 | void dhd_wait_event_wakeup(dhd_pub_t *dhd) | |
2744 | { | |
2745 | struct dhd_info *dhdinfo = dhd->info; | |
2746 | if (waitqueue_active(&dhdinfo->ctrl_wait)) | |
2747 | wake_up_interruptible(&dhdinfo->ctrl_wait); | |
2748 | return; | |
2749 | } | |
2750 | ||
3fd79f7c | 2751 | int dhd_dev_reset(struct net_device *dev, u8 flag) |
cf2b4488 HP |
2752 | { |
2753 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2754 | ||
2755 | /* Turning off watchdog */ | |
2756 | if (flag) | |
2757 | dhd_os_wd_timer(&dhd->pub, 0); | |
2758 | ||
2759 | dhd_bus_devreset(&dhd->pub, flag); | |
2760 | ||
2761 | /* Turning on watchdog back */ | |
2762 | if (!flag) | |
2763 | dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms); | |
2764 | DHD_ERROR(("%s: WLAN OFF DONE\n", __func__)); | |
2765 | ||
2766 | return 1; | |
2767 | } | |
2768 | ||
2769 | int net_os_set_suspend_disable(struct net_device *dev, int val) | |
2770 | { | |
2771 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2772 | int ret = 0; | |
2773 | ||
2774 | if (dhd) { | |
2775 | ret = dhd->pub.suspend_disable_flag; | |
2776 | dhd->pub.suspend_disable_flag = val; | |
2777 | } | |
2778 | return ret; | |
2779 | } | |
2780 | ||
2781 | int net_os_set_suspend(struct net_device *dev, int val) | |
2782 | { | |
2783 | int ret = 0; | |
2784 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
2785 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2786 | ||
2787 | if (dhd) { | |
2788 | dhd_os_proto_block(&dhd->pub); | |
2789 | ret = dhd_set_suspend(val, &dhd->pub); | |
2790 | dhd_os_proto_unblock(&dhd->pub); | |
2791 | } | |
2792 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
2793 | return ret; | |
2794 | } | |
2795 | ||
2796 | int net_os_set_dtim_skip(struct net_device *dev, int val) | |
2797 | { | |
2798 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
2799 | ||
2800 | if (dhd) | |
2801 | dhd->pub.dtim_skip = val; | |
2802 | ||
2803 | return 0; | |
2804 | } | |
2805 | ||
2806 | int net_os_set_packet_filter(struct net_device *dev, int val) | |
2807 | { | |
2808 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
2809 | int ret = 0; | |
2810 | ||
2811 | /* Packet filtering is set only if we still in early-suspend and | |
2812 | * we need either to turn it ON or turn it OFF | |
2813 | * We can always turn it OFF in case of early-suspend, but we turn it | |
2814 | * back ON only if suspend_disable_flag was not set | |
2815 | */ | |
2816 | if (dhd && dhd->pub.up) { | |
2817 | dhd_os_proto_block(&dhd->pub); | |
2818 | if (dhd->pub.in_suspend) { | |
2819 | if (!val || (val && !dhd->pub.suspend_disable_flag)) | |
2820 | dhd_set_packet_filter(val, &dhd->pub); | |
2821 | } | |
2822 | dhd_os_proto_unblock(&dhd->pub); | |
2823 | } | |
2824 | return ret; | |
2825 | } | |
2826 | ||
2827 | void dhd_dev_init_ioctl(struct net_device *dev) | |
2828 | { | |
2829 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2830 | ||
2831 | dhd_preinit_ioctls(&dhd->pub); | |
2832 | } | |
2833 | ||
2834 | #ifdef PNO_SUPPORT | |
2835 | /* Linux wrapper to call common dhd_pno_clean */ | |
2836 | int dhd_dev_pno_reset(struct net_device *dev) | |
2837 | { | |
2838 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2839 | ||
2840 | return dhd_pno_clean(&dhd->pub); | |
2841 | } | |
2842 | ||
2843 | /* Linux wrapper to call common dhd_pno_enable */ | |
2844 | int dhd_dev_pno_enable(struct net_device *dev, int pfn_enabled) | |
2845 | { | |
2846 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2847 | ||
2848 | return dhd_pno_enable(&dhd->pub, pfn_enabled); | |
2849 | } | |
2850 | ||
2851 | /* Linux wrapper to call common dhd_pno_set */ | |
2852 | int | |
2853 | dhd_dev_pno_set(struct net_device *dev, wlc_ssid_t *ssids_local, int nssid, | |
580a0bd9 | 2854 | unsigned char scan_fr) |
cf2b4488 HP |
2855 | { |
2856 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2857 | ||
2858 | return dhd_pno_set(&dhd->pub, ssids_local, nssid, scan_fr); | |
2859 | } | |
2860 | ||
2861 | /* Linux wrapper to get pno status */ | |
2862 | int dhd_dev_get_pno_status(struct net_device *dev) | |
2863 | { | |
2864 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2865 | ||
2866 | return dhd_pno_get_status(&dhd->pub); | |
2867 | } | |
2868 | ||
2869 | #endif /* PNO_SUPPORT */ | |
2870 | ||
2871 | static int dhd_get_pend_8021x_cnt(dhd_info_t *dhd) | |
2872 | { | |
2873 | return atomic_read(&dhd->pend_8021x_cnt); | |
2874 | } | |
2875 | ||
2876 | #define MAX_WAIT_FOR_8021X_TX 10 | |
2877 | ||
2878 | int dhd_wait_pend8021x(struct net_device *dev) | |
2879 | { | |
2880 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2881 | int timeout = 10 * HZ / 1000; | |
2882 | int ntimes = MAX_WAIT_FOR_8021X_TX; | |
2883 | int pend = dhd_get_pend_8021x_cnt(dhd); | |
2884 | ||
2885 | while (ntimes && pend) { | |
2886 | if (pend) { | |
2887 | set_current_state(TASK_INTERRUPTIBLE); | |
2888 | schedule_timeout(timeout); | |
2889 | set_current_state(TASK_RUNNING); | |
2890 | ntimes--; | |
2891 | } | |
2892 | pend = dhd_get_pend_8021x_cnt(dhd); | |
2893 | } | |
2894 | return pend; | |
2895 | } | |
2896 | ||
2897 | #ifdef DHD_DEBUG | |
3fd79f7c | 2898 | int write_to_file(dhd_pub_t *dhd, u8 *buf, int size) |
cf2b4488 HP |
2899 | { |
2900 | int ret = 0; | |
2901 | struct file *fp; | |
2902 | mm_segment_t old_fs; | |
2903 | loff_t pos = 0; | |
2904 | ||
2905 | /* change to KERNEL_DS address limit */ | |
2906 | old_fs = get_fs(); | |
2907 | set_fs(KERNEL_DS); | |
2908 | ||
2909 | /* open file to write */ | |
2910 | fp = filp_open("/tmp/mem_dump", O_WRONLY | O_CREAT, 0640); | |
2911 | if (!fp) { | |
0bef7748 | 2912 | DHD_ERROR(("%s: open file error\n", __func__)); |
cf2b4488 HP |
2913 | ret = -1; |
2914 | goto exit; | |
2915 | } | |
2916 | ||
2917 | /* Write buf to file */ | |
2918 | fp->f_op->write(fp, buf, size, &pos); | |
2919 | ||
2920 | exit: | |
2921 | /* free buf before return */ | |
182acb3c | 2922 | kfree(buf); |
cf2b4488 HP |
2923 | /* close file before return */ |
2924 | if (fp) | |
2925 | filp_close(fp, current->files); | |
2926 | /* restore previous address limit */ | |
2927 | set_fs(old_fs); | |
2928 | ||
2929 | return ret; | |
2930 | } | |
2931 | #endif /* DHD_DEBUG */ |