Commit | Line | Data |
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cf2b4488 HP |
1 | /* |
2 | * Copyright (c) 2010 Broadcom Corporation | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | #ifdef CONFIG_WIFI_CONTROL_FUNC | |
18 | #include <linux/platform_device.h> | |
19 | #endif | |
cf2b4488 HP |
20 | #include <linux/init.h> |
21 | #include <linux/kernel.h> | |
860708d9 | 22 | #include <linux/kthread.h> |
cf2b4488 HP |
23 | #include <linux/slab.h> |
24 | #include <linux/skbuff.h> | |
25 | #include <linux/netdevice.h> | |
26 | #include <linux/etherdevice.h> | |
93ad12cf | 27 | #include <linux/mmc/sdio_func.h> |
cf2b4488 HP |
28 | #include <linux/random.h> |
29 | #include <linux/spinlock.h> | |
30 | #include <linux/ethtool.h> | |
31 | #include <linux/fcntl.h> | |
32 | #include <linux/fs.h> | |
93ad12cf | 33 | #include <linux/uaccess.h> |
583c3827 | 34 | #include <net/cfg80211.h> |
e51b3e52 AS |
35 | #if defined(CONFIG_HAS_EARLYSUSPEND) |
36 | #include <linux/earlysuspend.h> | |
37 | #endif | |
cc3cea5a | 38 | #include <defs.h> |
f97e956a RV |
39 | #include <brcmu_utils.h> |
40 | #include <brcmu_wifi.h> | |
cf2b4488 | 41 | |
c4daa849 RV |
42 | #include "dngl_stats.h" |
43 | #include "dhd.h" | |
44 | #include "dhd_bus.h" | |
45 | #include "dhd_proto.h" | |
46 | #include "dhd_dbg.h" | |
47 | #include "wl_cfg80211.h" | |
cf2b4488 | 48 | |
c09240ac AS |
49 | #define EPI_VERSION_STR "4.218.248.5" |
50 | #define ETH_P_BRCM 0x886c | |
cf2b4488 | 51 | |
47a6d2cd AS |
52 | /* Global ASSERT type flag */ |
53 | u32 g_assert_type; | |
54 | ||
cf2b4488 HP |
55 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) |
56 | #include <linux/wifi_tiwlan.h> | |
57 | ||
58 | struct semaphore wifi_control_sem; | |
59 | ||
60 | struct dhd_bus *g_bus; | |
61 | ||
5f782dee JC |
62 | static struct wifi_platform_data *wifi_control_data; |
63 | static struct resource *wifi_irqres; | |
cf2b4488 HP |
64 | |
65 | int wifi_get_irq_number(unsigned long *irq_flags_ptr) | |
66 | { | |
67 | if (wifi_irqres) { | |
68 | *irq_flags_ptr = wifi_irqres->flags & IRQF_TRIGGER_MASK; | |
69 | return (int)wifi_irqres->start; | |
70 | } | |
71 | #ifdef CUSTOM_OOB_GPIO_NUM | |
72 | return CUSTOM_OOB_GPIO_NUM; | |
73 | #else | |
74 | return -1; | |
75 | #endif | |
76 | } | |
77 | ||
78 | int wifi_set_carddetect(int on) | |
79 | { | |
80 | printk(KERN_ERR "%s = %d\n", __func__, on); | |
81 | if (wifi_control_data && wifi_control_data->set_carddetect) | |
82 | wifi_control_data->set_carddetect(on); | |
83 | return 0; | |
84 | } | |
85 | ||
86 | int wifi_set_power(int on, unsigned long msec) | |
87 | { | |
88 | printk(KERN_ERR "%s = %d\n", __func__, on); | |
89 | if (wifi_control_data && wifi_control_data->set_power) | |
90 | wifi_control_data->set_power(on); | |
91 | if (msec) | |
92 | mdelay(msec); | |
93 | return 0; | |
94 | } | |
95 | ||
96 | int wifi_set_reset(int on, unsigned long msec) | |
97 | { | |
98 | printk(KERN_ERR "%s = %d\n", __func__, on); | |
99 | if (wifi_control_data && wifi_control_data->set_reset) | |
100 | wifi_control_data->set_reset(on); | |
101 | if (msec) | |
102 | mdelay(msec); | |
103 | return 0; | |
104 | } | |
105 | ||
106 | static int wifi_probe(struct platform_device *pdev) | |
107 | { | |
108 | struct wifi_platform_data *wifi_ctrl = | |
109 | (struct wifi_platform_data *)(pdev->dev.platform_data); | |
110 | ||
111 | printk(KERN_ERR "## %s\n", __func__); | |
112 | wifi_irqres = | |
113 | platform_get_resource_byname(pdev, IORESOURCE_IRQ, | |
114 | "bcm4329_wlan_irq"); | |
115 | wifi_control_data = wifi_ctrl; | |
116 | ||
117 | wifi_set_power(1, 0); /* Power On */ | |
118 | wifi_set_carddetect(1); /* CardDetect (0->1) */ | |
119 | ||
120 | up(&wifi_control_sem); | |
121 | return 0; | |
122 | } | |
123 | ||
124 | static int wifi_remove(struct platform_device *pdev) | |
125 | { | |
126 | struct wifi_platform_data *wifi_ctrl = | |
127 | (struct wifi_platform_data *)(pdev->dev.platform_data); | |
128 | ||
129 | printk(KERN_ERR "## %s\n", __func__); | |
130 | wifi_control_data = wifi_ctrl; | |
131 | ||
132 | wifi_set_carddetect(0); /* CardDetect (1->0) */ | |
133 | wifi_set_power(0, 0); /* Power Off */ | |
134 | ||
135 | up(&wifi_control_sem); | |
136 | return 0; | |
137 | } | |
138 | ||
139 | static int wifi_suspend(struct platform_device *pdev, pm_message_t state) | |
140 | { | |
141 | DHD_TRACE(("##> %s\n", __func__)); | |
142 | return 0; | |
143 | } | |
144 | ||
145 | static int wifi_resume(struct platform_device *pdev) | |
146 | { | |
147 | DHD_TRACE(("##> %s\n", __func__)); | |
148 | return 0; | |
149 | } | |
150 | ||
151 | static struct platform_driver wifi_device = { | |
152 | .probe = wifi_probe, | |
153 | .remove = wifi_remove, | |
154 | .suspend = wifi_suspend, | |
155 | .resume = wifi_resume, | |
156 | .driver = { | |
c836f77f | 157 | .name = KBUILD_MODNAME, |
cf2b4488 HP |
158 | } |
159 | }; | |
160 | ||
161 | int wifi_add_dev(void) | |
162 | { | |
163 | DHD_TRACE(("## Calling platform_driver_register\n")); | |
164 | return platform_driver_register(&wifi_device); | |
165 | } | |
166 | ||
167 | void wifi_del_dev(void) | |
168 | { | |
169 | DHD_TRACE(("## Unregister platform_driver_register\n")); | |
170 | platform_driver_unregister(&wifi_device); | |
171 | } | |
172 | #endif /* defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ | |
173 | ||
174 | #if defined(CONFIG_PM_SLEEP) | |
175 | #include <linux/suspend.h> | |
8d825a8e | 176 | atomic_t brcmf_mmc_suspend; |
cf2b4488 HP |
177 | DECLARE_WAIT_QUEUE_HEAD(dhd_dpc_wait); |
178 | #endif /* defined(CONFIG_PM_SLEEP) */ | |
179 | ||
180 | #if defined(OOB_INTR_ONLY) | |
54ca2969 | 181 | extern void brcmf_sdbrcm_enable_oob_intr(struct dhd_bus *bus, bool enable); |
cf2b4488 HP |
182 | #endif /* defined(OOB_INTR_ONLY) */ |
183 | ||
184 | MODULE_AUTHOR("Broadcom Corporation"); | |
185 | MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac driver."); | |
186 | MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac cards"); | |
187 | MODULE_LICENSE("Dual BSD/GPL"); | |
188 | ||
cf2b4488 HP |
189 | |
190 | /* Interface control information */ | |
191 | typedef struct dhd_if { | |
192 | struct dhd_info *info; /* back pointer to dhd_info */ | |
193 | /* OS/stack specifics */ | |
194 | struct net_device *net; | |
195 | struct net_device_stats stats; | |
196 | int idx; /* iface idx in dongle */ | |
197 | int state; /* interface state */ | |
198 | uint subunit; /* subunit */ | |
b8d63078 | 199 | u8 mac_addr[ETH_ALEN]; /* assigned MAC address */ |
cf2b4488 HP |
200 | bool attached; /* Delayed attachment when unset */ |
201 | bool txflowcontrol; /* Per interface flow control indicator */ | |
cbf6baac | 202 | char name[IFNAMSIZ]; /* linux interface name */ |
cf2b4488 HP |
203 | } dhd_if_t; |
204 | ||
205 | /* Local private structure (extension of pub) */ | |
206 | typedef struct dhd_info { | |
cf2b4488 HP |
207 | dhd_pub_t pub; |
208 | ||
209 | /* OS/stack specifics */ | |
210 | dhd_if_t *iflist[DHD_MAX_IFS]; | |
211 | ||
212 | struct semaphore proto_sem; | |
213 | wait_queue_head_t ioctl_resp_wait; | |
214 | struct timer_list timer; | |
215 | bool wd_timer_valid; | |
216 | struct tasklet_struct tasklet; | |
217 | spinlock_t sdlock; | |
cf2b4488 HP |
218 | /* Thread based operation */ |
219 | bool threads_only; | |
220 | struct semaphore sdsem; | |
860708d9 | 221 | struct task_struct *watchdog_tsk; |
cf2b4488 | 222 | struct semaphore watchdog_sem; |
ecd7559d | 223 | struct task_struct *dpc_tsk; |
cf2b4488 | 224 | struct semaphore dpc_sem; |
cf2b4488 HP |
225 | |
226 | /* Thread to issue ioctl for multicast */ | |
d809dcb9 | 227 | struct task_struct *sysioc_tsk; |
cf2b4488 | 228 | struct semaphore sysioc_sem; |
cf2b4488 HP |
229 | bool set_multicast; |
230 | bool set_macaddress; | |
a44d4236 | 231 | u8 macvalue[ETH_ALEN]; |
cf2b4488 HP |
232 | wait_queue_head_t ctrl_wait; |
233 | atomic_t pend_8021x_cnt; | |
234 | ||
235 | #ifdef CONFIG_HAS_EARLYSUSPEND | |
236 | struct early_suspend early_suspend; | |
237 | #endif /* CONFIG_HAS_EARLYSUSPEND */ | |
238 | } dhd_info_t; | |
239 | ||
240 | /* Definitions to provide path to the firmware and nvram | |
241 | * example nvram_path[MOD_PARAM_PATHLEN]="/projects/wlan/nvram.txt" | |
242 | */ | |
243 | char firmware_path[MOD_PARAM_PATHLEN]; | |
244 | char nvram_path[MOD_PARAM_PATHLEN]; | |
245 | ||
246 | /* load firmware and/or nvram values from the filesystem */ | |
247 | module_param_string(firmware_path, firmware_path, MOD_PARAM_PATHLEN, 0); | |
248 | module_param_string(nvram_path, nvram_path, MOD_PARAM_PATHLEN, 0); | |
249 | ||
f10c5b0b | 250 | /* No firmware required */ |
7af9d0ca AS |
251 | bool brcmf_no_fw_req; |
252 | module_param(brcmf_no_fw_req, bool, 0); | |
f10c5b0b | 253 | |
cf2b4488 | 254 | /* Error bits */ |
aba5e0ad | 255 | module_param(brcmf_msg_level, int, 0); |
cf2b4488 HP |
256 | |
257 | /* Spawn a thread for system ioctls (set mac, set mcast) */ | |
7af9d0ca AS |
258 | uint brcmf_sysioc = true; |
259 | module_param(brcmf_sysioc, uint, 0); | |
cf2b4488 HP |
260 | |
261 | /* Watchdog interval */ | |
5e92aa8c AS |
262 | uint brcmf_watchdog_ms = 10; |
263 | module_param(brcmf_watchdog_ms, uint, 0); | |
cf2b4488 | 264 | |
762c2a36 | 265 | #ifdef BCMDBG |
cf2b4488 | 266 | /* Console poll interval */ |
5e92aa8c AS |
267 | uint brcmf_console_ms; |
268 | module_param(brcmf_console_ms, uint, 0); | |
762c2a36 | 269 | #endif /* BCMDBG */ |
cf2b4488 HP |
270 | |
271 | /* ARP offload agent mode : Enable ARP Host Auto-Reply | |
272 | and ARP Peer Auto-Reply */ | |
5e92aa8c AS |
273 | uint brcmf_arp_mode = 0xb; |
274 | module_param(brcmf_arp_mode, uint, 0); | |
cf2b4488 HP |
275 | |
276 | /* ARP offload enable */ | |
5e92aa8c AS |
277 | uint brcmf_arp_enable = true; |
278 | module_param(brcmf_arp_enable, uint, 0); | |
cf2b4488 HP |
279 | |
280 | /* Global Pkt filter enable control */ | |
5e92aa8c AS |
281 | uint brcmf_pkt_filter_enable = true; |
282 | module_param(brcmf_pkt_filter_enable, uint, 0); | |
cf2b4488 HP |
283 | |
284 | /* Pkt filter init setup */ | |
5e92aa8c AS |
285 | uint brcmf_pkt_filter_init; |
286 | module_param(brcmf_pkt_filter_init, uint, 0); | |
cf2b4488 HP |
287 | |
288 | /* Pkt filter mode control */ | |
5e92aa8c AS |
289 | uint brcmf_master_mode = true; |
290 | module_param(brcmf_master_mode, uint, 1); | |
cf2b4488 HP |
291 | |
292 | /* Watchdog thread priority, -1 to use kernel timer */ | |
7af9d0ca AS |
293 | int brcmf_watchdog_prio = 97; |
294 | module_param(brcmf_watchdog_prio, int, 0); | |
cf2b4488 HP |
295 | |
296 | /* DPC thread priority, -1 to use tasklet */ | |
7af9d0ca AS |
297 | int brcmf_dpc_prio = 98; |
298 | module_param(brcmf_dpc_prio, int, 0); | |
cf2b4488 HP |
299 | |
300 | /* DPC thread priority, -1 to use tasklet */ | |
7af9d0ca AS |
301 | extern int brcmf_dongle_memsize; |
302 | module_param(brcmf_dongle_memsize, int, 0); | |
cf2b4488 HP |
303 | |
304 | /* Contorl fw roaming */ | |
305 | #ifdef CUSTOMER_HW2 | |
5e92aa8c | 306 | uint brcmf_roam; |
cf2b4488 | 307 | #else |
5e92aa8c | 308 | uint brcmf_roam = 1; |
cf2b4488 HP |
309 | #endif |
310 | ||
311 | /* Control radio state */ | |
5e92aa8c | 312 | uint brcmf_radio_up = 1; |
cf2b4488 HP |
313 | |
314 | /* Network inteface name */ | |
8343f180 | 315 | char iface_name[IFNAMSIZ] = "wlan"; |
cf2b4488 HP |
316 | module_param_string(iface_name, iface_name, IFNAMSIZ, 0); |
317 | ||
cf2b4488 HP |
318 | /* The following are specific to the SDIO dongle */ |
319 | ||
320 | /* IOCTL response timeout */ | |
7af9d0ca | 321 | int brcmf_ioctl_timeout_msec = IOCTL_RESP_TIMEOUT; |
cf2b4488 HP |
322 | |
323 | /* Idle timeout for backplane clock */ | |
5e92aa8c AS |
324 | int brcmf_idletime = BRCMF_IDLETIME_TICKS; |
325 | module_param(brcmf_idletime, int, 0); | |
cf2b4488 HP |
326 | |
327 | /* Use polling */ | |
5e92aa8c AS |
328 | uint brcmf_poll; |
329 | module_param(brcmf_poll, uint, 0); | |
cf2b4488 | 330 | |
cf2b4488 | 331 | /* Use interrupts */ |
5e92aa8c AS |
332 | uint brcmf_intr = true; |
333 | module_param(brcmf_intr, uint, 0); | |
cf2b4488 HP |
334 | |
335 | /* SDIO Drive Strength (in milliamps) */ | |
5e92aa8c AS |
336 | uint brcmf_sdiod_drive_strength = 6; |
337 | module_param(brcmf_sdiod_drive_strength, uint, 0); | |
cf2b4488 HP |
338 | |
339 | /* Tx/Rx bounds */ | |
7af9d0ca AS |
340 | extern uint brcmf_txbound; |
341 | extern uint brcmf_rxbound; | |
342 | module_param(brcmf_txbound, uint, 0); | |
343 | module_param(brcmf_rxbound, uint, 0); | |
cf2b4488 HP |
344 | |
345 | /* Deferred transmits */ | |
7af9d0ca AS |
346 | extern uint brcmf_deferred_tx; |
347 | module_param(brcmf_deferred_tx, uint, 0); | |
cf2b4488 HP |
348 | |
349 | #ifdef SDTEST | |
350 | /* Echo packet generator (pkts/s) */ | |
5e92aa8c AS |
351 | uint brcmf_pktgen; |
352 | module_param(brcmf_pktgen, uint, 0); | |
cf2b4488 HP |
353 | |
354 | /* Echo packet len (0 => sawtooth, max 2040) */ | |
5e92aa8c AS |
355 | uint brcmf_pktgen_len; |
356 | module_param(brcmf_pktgen_len, uint, 0); | |
cf2b4488 HP |
357 | #endif |
358 | ||
cf2b4488 | 359 | /* Version string to report */ |
762c2a36 | 360 | #ifdef BCMDBG |
cf2b4488 HP |
361 | #define DHD_COMPILED "\nCompiled in " SRCBASE |
362 | #else | |
363 | #define DHD_COMPILED | |
364 | #endif | |
365 | ||
db62efcc | 366 | static void brcmf_dpc(unsigned long data); |
db62efcc AS |
367 | static int brcmf_toe_get(dhd_info_t *dhd, int idx, u32 *toe_ol); |
368 | static int brcmf_toe_set(dhd_info_t *dhd, int idx, u32 toe_ol); | |
db62efcc | 369 | static int brcmf_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, |
05dc0f43 | 370 | brcmf_event_msg_t *event_ptr, void **data_ptr); |
cf2b4488 | 371 | |
db62efcc | 372 | static void brcmf_set_packet_filter(int value, dhd_pub_t *dhd) |
cf2b4488 | 373 | { |
cf2b4488 HP |
374 | DHD_TRACE(("%s: %d\n", __func__, value)); |
375 | /* 1 - Enable packet filter, only allow unicast packet to send up */ | |
376 | /* 0 - Disable packet filter */ | |
5e92aa8c | 377 | if (brcmf_pkt_filter_enable) { |
cf2b4488 HP |
378 | int i; |
379 | ||
380 | for (i = 0; i < dhd->pktfilter_count; i++) { | |
aba5e0ad AS |
381 | brcmf_c_pktfilter_offload_set(dhd, dhd->pktfilter[i]); |
382 | brcmf_c_pktfilter_offload_enable(dhd, dhd->pktfilter[i], | |
5e92aa8c | 383 | value, brcmf_master_mode); |
cf2b4488 HP |
384 | } |
385 | } | |
cf2b4488 HP |
386 | } |
387 | ||
388 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
db62efcc | 389 | static int brcmf_set_suspend(int value, dhd_pub_t *dhd) |
cf2b4488 HP |
390 | { |
391 | int power_mode = PM_MAX; | |
392 | /* wl_pkt_filter_enable_t enable_parm; */ | |
393 | char iovbuf[32]; | |
394 | int bcn_li_dtim = 3; | |
395 | #ifdef CUSTOMER_HW2 | |
396 | uint roamvar = 1; | |
397 | #endif /* CUSTOMER_HW2 */ | |
398 | ||
399 | DHD_TRACE(("%s: enter, value = %d in_suspend=%d\n", | |
400 | __func__, value, dhd->in_suspend)); | |
401 | ||
402 | if (dhd && dhd->up) { | |
403 | if (value && dhd->in_suspend) { | |
404 | ||
405 | /* Kernel suspended */ | |
406 | DHD_TRACE(("%s: force extra Suspend setting\n", | |
407 | __func__)); | |
408 | ||
0aa94b84 | 409 | brcmf_proto_cdc_set_ioctl(dhd, 0, BRCMF_C_SET_PM, |
cf2b4488 HP |
410 | (char *)&power_mode, |
411 | sizeof(power_mode)); | |
412 | ||
413 | /* Enable packet filter, only allow unicast | |
414 | packet to send up */ | |
db62efcc | 415 | brcmf_set_packet_filter(1, dhd); |
cf2b4488 HP |
416 | |
417 | /* if dtim skip setup as default force it | |
25985edc | 418 | * to wake each third dtim |
cf2b4488 HP |
419 | * for better power saving. |
420 | * Note that side effect is chance to miss BC/MC | |
421 | * packet | |
422 | */ | |
423 | if ((dhd->dtim_skip == 0) || (dhd->dtim_skip == 1)) | |
424 | bcn_li_dtim = 3; | |
425 | else | |
426 | bcn_li_dtim = dhd->dtim_skip; | |
67ad48bc | 427 | brcmu_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim, |
cf2b4488 | 428 | 4, iovbuf, sizeof(iovbuf)); |
0aa94b84 AS |
429 | brcmf_proto_cdc_set_ioctl(dhd, 0, BRCMF_C_SET_VAR, |
430 | iovbuf, sizeof(iovbuf)); | |
cf2b4488 HP |
431 | #ifdef CUSTOMER_HW2 |
432 | /* Disable build-in roaming to allowed \ | |
433 | * supplicant to take of romaing | |
434 | */ | |
67ad48bc | 435 | brcmu_mkiovar("roam_off", (char *)&roamvar, 4, |
cf2b4488 | 436 | iovbuf, sizeof(iovbuf)); |
0aa94b84 AS |
437 | brcmf_proto_cdc_set_ioctl(dhd, 0, BRCMF_C_SET_VAR, |
438 | iovbuf, sizeof(iovbuf)); | |
cf2b4488 HP |
439 | #endif /* CUSTOMER_HW2 */ |
440 | } else { | |
441 | ||
442 | /* Kernel resumed */ | |
443 | DHD_TRACE(("%s: Remove extra suspend setting\n", | |
444 | __func__)); | |
445 | ||
446 | power_mode = PM_FAST; | |
0aa94b84 | 447 | brcmf_proto_cdc_set_ioctl(dhd, 0, BRCMF_C_SET_PM, |
cf2b4488 HP |
448 | (char *)&power_mode, |
449 | sizeof(power_mode)); | |
450 | ||
451 | /* disable pkt filter */ | |
db62efcc | 452 | brcmf_set_packet_filter(0, dhd); |
cf2b4488 HP |
453 | |
454 | /* restore pre-suspend setting for dtim_skip */ | |
67ad48bc | 455 | brcmu_mkiovar("bcn_li_dtim", (char *)&dhd->dtim_skip, |
cf2b4488 HP |
456 | 4, iovbuf, sizeof(iovbuf)); |
457 | ||
0aa94b84 AS |
458 | brcmf_proto_cdc_set_ioctl(dhd, 0, BRCMF_C_SET_VAR, |
459 | iovbuf, sizeof(iovbuf)); | |
cf2b4488 HP |
460 | #ifdef CUSTOMER_HW2 |
461 | roamvar = 0; | |
67ad48bc | 462 | brcmu_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, |
cf2b4488 | 463 | sizeof(iovbuf)); |
0aa94b84 AS |
464 | brcmf_proto_cdc_set_ioctl(dhd, 0, BRCMF_C_SET_VAR, |
465 | iovbuf, sizeof(iovbuf)); | |
cf2b4488 HP |
466 | #endif /* CUSTOMER_HW2 */ |
467 | } | |
468 | } | |
469 | ||
470 | return 0; | |
471 | } | |
472 | ||
db62efcc | 473 | static void brcmf_suspend_resume_helper(struct dhd_info *dhd, int val) |
cf2b4488 HP |
474 | { |
475 | dhd_pub_t *dhdp = &dhd->pub; | |
476 | ||
a84bac46 | 477 | brcmf_os_proto_block(dhdp); |
cf2b4488 HP |
478 | /* Set flag when early suspend was called */ |
479 | dhdp->in_suspend = val; | |
480 | if (!dhdp->suspend_disable_flag) | |
db62efcc | 481 | brcmf_set_suspend(val, dhdp); |
a84bac46 | 482 | brcmf_os_proto_unblock(dhdp); |
cf2b4488 HP |
483 | } |
484 | ||
db62efcc | 485 | static void brcmf_early_suspend(struct early_suspend *h) |
cf2b4488 HP |
486 | { |
487 | struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); | |
488 | ||
489 | DHD_TRACE(("%s: enter\n", __func__)); | |
490 | ||
491 | if (dhd) | |
492 | dhd_suspend_resume_helper(dhd, 1); | |
493 | ||
494 | } | |
495 | ||
db62efcc | 496 | static void brcmf_late_resume(struct early_suspend *h) |
cf2b4488 HP |
497 | { |
498 | struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend); | |
499 | ||
500 | DHD_TRACE(("%s: enter\n", __func__)); | |
501 | ||
502 | if (dhd) | |
503 | dhd_suspend_resume_helper(dhd, 0); | |
504 | } | |
505 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
506 | ||
507 | /* | |
508 | * Generalized timeout mechanism. Uses spin sleep with exponential | |
509 | * back-off until | |
510 | * the sleep time reaches one jiffy, then switches over to task delay. Usage: | |
511 | * | |
a84bac46 AS |
512 | * brcmf_timeout_start(&tmo, usec); |
513 | * while (!brcmf_timeout_expired(&tmo)) | |
cf2b4488 HP |
514 | * if (poll_something()) |
515 | * break; | |
a84bac46 | 516 | * if (brcmf_timeout_expired(&tmo)) |
cf2b4488 HP |
517 | * fatal(); |
518 | */ | |
519 | ||
a84bac46 | 520 | void brcmf_timeout_start(dhd_timeout_t *tmo, uint usec) |
cf2b4488 HP |
521 | { |
522 | tmo->limit = usec; | |
523 | tmo->increment = 0; | |
524 | tmo->elapsed = 0; | |
525 | tmo->tick = 1000000 / HZ; | |
526 | } | |
527 | ||
a84bac46 | 528 | int brcmf_timeout_expired(dhd_timeout_t *tmo) |
cf2b4488 HP |
529 | { |
530 | /* Does nothing the first call */ | |
531 | if (tmo->increment == 0) { | |
532 | tmo->increment = 1; | |
533 | return 0; | |
534 | } | |
535 | ||
536 | if (tmo->elapsed >= tmo->limit) | |
537 | return 1; | |
538 | ||
539 | /* Add the delay that's about to take place */ | |
540 | tmo->elapsed += tmo->increment; | |
541 | ||
542 | if (tmo->increment < tmo->tick) { | |
7383141b | 543 | udelay(tmo->increment); |
cf2b4488 HP |
544 | tmo->increment *= 2; |
545 | if (tmo->increment > tmo->tick) | |
546 | tmo->increment = tmo->tick; | |
547 | } else { | |
548 | wait_queue_head_t delay_wait; | |
549 | DECLARE_WAITQUEUE(wait, current); | |
550 | int pending; | |
551 | init_waitqueue_head(&delay_wait); | |
552 | add_wait_queue(&delay_wait, &wait); | |
553 | set_current_state(TASK_INTERRUPTIBLE); | |
554 | schedule_timeout(1); | |
555 | pending = signal_pending(current); | |
556 | remove_wait_queue(&delay_wait, &wait); | |
557 | set_current_state(TASK_RUNNING); | |
558 | if (pending) | |
559 | return 1; /* Interrupted */ | |
560 | } | |
561 | ||
562 | return 0; | |
563 | } | |
564 | ||
db62efcc | 565 | static int brcmf_net2idx(dhd_info_t *dhd, struct net_device *net) |
cf2b4488 HP |
566 | { |
567 | int i = 0; | |
568 | ||
569 | ASSERT(dhd); | |
570 | while (i < DHD_MAX_IFS) { | |
571 | if (dhd->iflist[i] && (dhd->iflist[i]->net == net)) | |
572 | return i; | |
573 | i++; | |
574 | } | |
575 | ||
576 | return DHD_BAD_IF; | |
577 | } | |
578 | ||
a84bac46 | 579 | int brcmf_ifname2idx(dhd_info_t *dhd, char *name) |
cf2b4488 HP |
580 | { |
581 | int i = DHD_MAX_IFS; | |
582 | ||
583 | ASSERT(dhd); | |
584 | ||
585 | if (name == NULL || *name == '\0') | |
586 | return 0; | |
587 | ||
588 | while (--i > 0) | |
589 | if (dhd->iflist[i] | |
590 | && !strncmp(dhd->iflist[i]->name, name, IFNAMSIZ)) | |
591 | break; | |
592 | ||
593 | DHD_TRACE(("%s: return idx %d for \"%s\"\n", __func__, i, name)); | |
594 | ||
595 | return i; /* default - the primary interface */ | |
596 | } | |
597 | ||
a84bac46 | 598 | char *brcmf_ifname(dhd_pub_t *dhdp, int ifidx) |
cf2b4488 HP |
599 | { |
600 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
601 | ||
602 | ASSERT(dhd); | |
603 | ||
604 | if (ifidx < 0 || ifidx >= DHD_MAX_IFS) { | |
605 | DHD_ERROR(("%s: ifidx %d out of range\n", __func__, ifidx)); | |
606 | return "<if_bad>"; | |
607 | } | |
608 | ||
609 | if (dhd->iflist[ifidx] == NULL) { | |
610 | DHD_ERROR(("%s: null i/f %d\n", __func__, ifidx)); | |
611 | return "<if_null>"; | |
612 | } | |
613 | ||
614 | if (dhd->iflist[ifidx]->net) | |
615 | return dhd->iflist[ifidx]->net->name; | |
616 | ||
617 | return "<if_none>"; | |
618 | } | |
619 | ||
db62efcc | 620 | static void _brcmf_set_multicast_list(dhd_info_t *dhd, int ifidx) |
cf2b4488 HP |
621 | { |
622 | struct net_device *dev; | |
623 | struct netdev_hw_addr *ha; | |
66cbd3ab | 624 | u32 allmulti, cnt; |
cf2b4488 HP |
625 | |
626 | wl_ioctl_t ioc; | |
627 | char *buf, *bufp; | |
628 | uint buflen; | |
629 | int ret; | |
630 | ||
631 | ASSERT(dhd && dhd->iflist[ifidx]); | |
632 | dev = dhd->iflist[ifidx]->net; | |
633 | cnt = netdev_mc_count(dev); | |
634 | ||
635 | /* Determine initial value of allmulti flag */ | |
0965ae88 | 636 | allmulti = (dev->flags & IFF_ALLMULTI) ? true : false; |
cf2b4488 HP |
637 | |
638 | /* Send down the multicast list first. */ | |
639 | ||
b8d63078 | 640 | buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETH_ALEN); |
5fcc1fcb | 641 | bufp = buf = kmalloc(buflen, GFP_ATOMIC); |
a618cc28 | 642 | if (!bufp) { |
cf2b4488 | 643 | DHD_ERROR(("%s: out of memory for mcast_list, cnt %d\n", |
a84bac46 | 644 | brcmf_ifname(&dhd->pub, ifidx), cnt)); |
cf2b4488 HP |
645 | return; |
646 | } | |
647 | ||
648 | strcpy(bufp, "mcast_list"); | |
649 | bufp += strlen("mcast_list") + 1; | |
650 | ||
628f10ba | 651 | cnt = cpu_to_le32(cnt); |
cf2b4488 HP |
652 | memcpy(bufp, &cnt, sizeof(cnt)); |
653 | bufp += sizeof(cnt); | |
654 | ||
655 | netdev_for_each_mc_addr(ha, dev) { | |
656 | if (!cnt) | |
657 | break; | |
b8d63078 JP |
658 | memcpy(bufp, ha->addr, ETH_ALEN); |
659 | bufp += ETH_ALEN; | |
cf2b4488 HP |
660 | cnt--; |
661 | } | |
662 | ||
663 | memset(&ioc, 0, sizeof(ioc)); | |
366bbb3f | 664 | ioc.cmd = BRCMF_C_SET_VAR; |
cf2b4488 HP |
665 | ioc.buf = buf; |
666 | ioc.len = buflen; | |
0f0881b0 | 667 | ioc.set = true; |
cf2b4488 | 668 | |
0aa94b84 | 669 | ret = brcmf_proto_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
cf2b4488 HP |
670 | if (ret < 0) { |
671 | DHD_ERROR(("%s: set mcast_list failed, cnt %d\n", | |
a84bac46 | 672 | brcmf_ifname(&dhd->pub, ifidx), cnt)); |
0f0881b0 | 673 | allmulti = cnt ? true : allmulti; |
cf2b4488 HP |
674 | } |
675 | ||
182acb3c | 676 | kfree(buf); |
cf2b4488 HP |
677 | |
678 | /* Now send the allmulti setting. This is based on the setting in the | |
679 | * net_device flags, but might be modified above to be turned on if we | |
680 | * were trying to set some addresses and dongle rejected it... | |
681 | */ | |
682 | ||
683 | buflen = sizeof("allmulti") + sizeof(allmulti); | |
5fcc1fcb | 684 | buf = kmalloc(buflen, GFP_ATOMIC); |
a618cc28 | 685 | if (!buf) { |
cf2b4488 | 686 | DHD_ERROR(("%s: out of memory for allmulti\n", |
a84bac46 | 687 | brcmf_ifname(&dhd->pub, ifidx))); |
cf2b4488 HP |
688 | return; |
689 | } | |
628f10ba | 690 | allmulti = cpu_to_le32(allmulti); |
cf2b4488 | 691 | |
67ad48bc | 692 | if (!brcmu_mkiovar |
cf2b4488 HP |
693 | ("allmulti", (void *)&allmulti, sizeof(allmulti), buf, buflen)) { |
694 | DHD_ERROR(("%s: mkiovar failed for allmulti, datalen %d " | |
a84bac46 | 695 | "buflen %u\n", brcmf_ifname(&dhd->pub, ifidx), |
cf2b4488 | 696 | (int)sizeof(allmulti), buflen)); |
182acb3c | 697 | kfree(buf); |
cf2b4488 HP |
698 | return; |
699 | } | |
700 | ||
701 | memset(&ioc, 0, sizeof(ioc)); | |
366bbb3f | 702 | ioc.cmd = BRCMF_C_SET_VAR; |
cf2b4488 HP |
703 | ioc.buf = buf; |
704 | ioc.len = buflen; | |
0f0881b0 | 705 | ioc.set = true; |
cf2b4488 | 706 | |
0aa94b84 | 707 | ret = brcmf_proto_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
cf2b4488 HP |
708 | if (ret < 0) { |
709 | DHD_ERROR(("%s: set allmulti %d failed\n", | |
a84bac46 | 710 | brcmf_ifname(&dhd->pub, ifidx), |
628f10ba | 711 | le32_to_cpu(allmulti))); |
cf2b4488 HP |
712 | } |
713 | ||
182acb3c | 714 | kfree(buf); |
cf2b4488 HP |
715 | |
716 | /* Finally, pick up the PROMISC flag as well, like the NIC | |
717 | driver does */ | |
718 | ||
0965ae88 | 719 | allmulti = (dev->flags & IFF_PROMISC) ? true : false; |
628f10ba | 720 | allmulti = cpu_to_le32(allmulti); |
cf2b4488 HP |
721 | |
722 | memset(&ioc, 0, sizeof(ioc)); | |
366bbb3f | 723 | ioc.cmd = BRCMF_C_SET_PROMISC; |
cf2b4488 HP |
724 | ioc.buf = &allmulti; |
725 | ioc.len = sizeof(allmulti); | |
0f0881b0 | 726 | ioc.set = true; |
cf2b4488 | 727 | |
0aa94b84 | 728 | ret = brcmf_proto_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
cf2b4488 HP |
729 | if (ret < 0) { |
730 | DHD_ERROR(("%s: set promisc %d failed\n", | |
a84bac46 | 731 | brcmf_ifname(&dhd->pub, ifidx), |
628f10ba | 732 | le32_to_cpu(allmulti))); |
cf2b4488 HP |
733 | } |
734 | } | |
735 | ||
db62efcc | 736 | static int _brcmf_set_mac_address(dhd_info_t *dhd, int ifidx, u8 *addr) |
cf2b4488 HP |
737 | { |
738 | char buf[32]; | |
739 | wl_ioctl_t ioc; | |
740 | int ret; | |
741 | ||
742 | DHD_TRACE(("%s enter\n", __func__)); | |
67ad48bc | 743 | if (!brcmu_mkiovar |
b8d63078 | 744 | ("cur_etheraddr", (char *)addr, ETH_ALEN, buf, 32)) { |
cf2b4488 | 745 | DHD_ERROR(("%s: mkiovar failed for cur_etheraddr\n", |
a84bac46 | 746 | brcmf_ifname(&dhd->pub, ifidx))); |
cf2b4488 HP |
747 | return -1; |
748 | } | |
749 | memset(&ioc, 0, sizeof(ioc)); | |
366bbb3f | 750 | ioc.cmd = BRCMF_C_SET_VAR; |
cf2b4488 HP |
751 | ioc.buf = buf; |
752 | ioc.len = 32; | |
0f0881b0 | 753 | ioc.set = true; |
cf2b4488 | 754 | |
0aa94b84 | 755 | ret = brcmf_proto_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
cf2b4488 HP |
756 | if (ret < 0) { |
757 | DHD_ERROR(("%s: set cur_etheraddr failed\n", | |
a84bac46 | 758 | brcmf_ifname(&dhd->pub, ifidx))); |
cf2b4488 | 759 | } else { |
b8d63078 | 760 | memcpy(dhd->iflist[ifidx]->net->dev_addr, addr, ETH_ALEN); |
cf2b4488 HP |
761 | } |
762 | ||
763 | return ret; | |
764 | } | |
765 | ||
766 | #ifdef SOFTAP | |
767 | extern struct net_device *ap_net_dev; | |
768 | #endif | |
769 | ||
db62efcc | 770 | static void brcmf_op_if(dhd_if_t *ifp) |
cf2b4488 HP |
771 | { |
772 | dhd_info_t *dhd; | |
773 | int ret = 0, err = 0; | |
774 | ||
775 | ASSERT(ifp && ifp->info && ifp->idx); /* Virtual interfaces only */ | |
776 | ||
777 | dhd = ifp->info; | |
778 | ||
779 | DHD_TRACE(("%s: idx %d, state %d\n", __func__, ifp->idx, ifp->state)); | |
780 | ||
781 | switch (ifp->state) { | |
05dc0f43 | 782 | case BRCMF_E_IF_ADD: |
cf2b4488 HP |
783 | /* |
784 | * Delete the existing interface before overwriting it | |
05dc0f43 | 785 | * in case we missed the BRCMF_E_IF_DEL event. |
cf2b4488 HP |
786 | */ |
787 | if (ifp->net != NULL) { | |
788 | DHD_ERROR(("%s: ERROR: netdev:%s already exists, " | |
789 | "try free & unregister\n", | |
790 | __func__, ifp->net->name)); | |
791 | netif_stop_queue(ifp->net); | |
792 | unregister_netdev(ifp->net); | |
793 | free_netdev(ifp->net); | |
794 | } | |
795 | /* Allocate etherdev, including space for private structure */ | |
a618cc28 JC |
796 | ifp->net = alloc_etherdev(sizeof(dhd)); |
797 | if (!ifp->net) { | |
cf2b4488 HP |
798 | DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); |
799 | ret = -ENOMEM; | |
800 | } | |
801 | if (ret == 0) { | |
802 | strcpy(ifp->net->name, ifp->name); | |
803 | memcpy(netdev_priv(ifp->net), &dhd, sizeof(dhd)); | |
a84bac46 | 804 | err = brcmf_net_attach(&dhd->pub, ifp->idx); |
a618cc28 | 805 | if (err != 0) { |
cf2b4488 HP |
806 | DHD_ERROR(("%s: dhd_net_attach failed, " |
807 | "err %d\n", | |
808 | __func__, err)); | |
809 | ret = -EOPNOTSUPP; | |
810 | } else { | |
811 | #ifdef SOFTAP | |
812 | /* semaphore that the soft AP CODE | |
813 | waits on */ | |
814 | extern struct semaphore ap_eth_sema; | |
815 | ||
816 | /* save ptr to wl0.1 netdev for use | |
817 | in wl_iw.c */ | |
818 | ap_net_dev = ifp->net; | |
819 | /* signal to the SOFTAP 'sleeper' thread, | |
820 | wl0.1 is ready */ | |
821 | up(&ap_eth_sema); | |
822 | #endif | |
823 | DHD_TRACE(("\n ==== pid:%x, net_device for " | |
824 | "if:%s created ===\n\n", | |
825 | current->pid, ifp->net->name)); | |
826 | ifp->state = 0; | |
827 | } | |
828 | } | |
829 | break; | |
05dc0f43 | 830 | case BRCMF_E_IF_DEL: |
cf2b4488 HP |
831 | if (ifp->net != NULL) { |
832 | DHD_TRACE(("\n%s: got 'WLC_E_IF_DEL' state\n", | |
833 | __func__)); | |
834 | netif_stop_queue(ifp->net); | |
835 | unregister_netdev(ifp->net); | |
836 | ret = DHD_DEL_IF; /* Make sure the free_netdev() | |
837 | is called */ | |
838 | } | |
839 | break; | |
840 | default: | |
841 | DHD_ERROR(("%s: bad op %d\n", __func__, ifp->state)); | |
842 | ASSERT(!ifp->state); | |
843 | break; | |
844 | } | |
845 | ||
846 | if (ret < 0) { | |
847 | if (ifp->net) | |
848 | free_netdev(ifp->net); | |
849 | ||
850 | dhd->iflist[ifp->idx] = NULL; | |
182acb3c | 851 | kfree(ifp); |
cf2b4488 HP |
852 | #ifdef SOFTAP |
853 | if (ifp->net == ap_net_dev) | |
854 | ap_net_dev = NULL; /* NULL SOFTAP global | |
855 | wl0.1 as well */ | |
856 | #endif /* SOFTAP */ | |
857 | } | |
858 | } | |
859 | ||
db62efcc | 860 | static int _brcmf_sysioc_thread(void *data) |
cf2b4488 HP |
861 | { |
862 | dhd_info_t *dhd = (dhd_info_t *) data; | |
863 | int i; | |
864 | #ifdef SOFTAP | |
0965ae88 | 865 | bool in_ap = false; |
cf2b4488 HP |
866 | #endif |
867 | ||
af737136 | 868 | allow_signal(SIGTERM); |
869 | ||
cf2b4488 | 870 | while (down_interruptible(&dhd->sysioc_sem) == 0) { |
eeb8e46b | 871 | if (kthread_should_stop()) |
d809dcb9 | 872 | break; |
cf2b4488 HP |
873 | for (i = 0; i < DHD_MAX_IFS; i++) { |
874 | if (dhd->iflist[i]) { | |
875 | #ifdef SOFTAP | |
876 | in_ap = (ap_net_dev != NULL); | |
877 | #endif /* SOFTAP */ | |
878 | if (dhd->iflist[i]->state) | |
db62efcc | 879 | brcmf_op_if(dhd->iflist[i]); |
cf2b4488 HP |
880 | #ifdef SOFTAP |
881 | if (dhd->iflist[i] == NULL) { | |
882 | DHD_TRACE(("\n\n %s: interface %d " | |
883 | "removed!\n", __func__, i)); | |
884 | continue; | |
885 | } | |
886 | ||
887 | if (in_ap && dhd->set_macaddress) { | |
888 | DHD_TRACE(("attempt to set MAC for %s " | |
e131d3ce | 889 | "in AP Mode," "blocked.\n", |
cf2b4488 | 890 | dhd->iflist[i]->net->name)); |
0965ae88 | 891 | dhd->set_macaddress = false; |
cf2b4488 HP |
892 | continue; |
893 | } | |
894 | ||
895 | if (in_ap && dhd->set_multicast) { | |
e131d3ce | 896 | DHD_TRACE(("attempt to set MULTICAST list for %s" "in AP Mode, blocked.\n", |
cf2b4488 | 897 | dhd->iflist[i]->net->name)); |
0965ae88 | 898 | dhd->set_multicast = false; |
cf2b4488 HP |
899 | continue; |
900 | } | |
901 | #endif /* SOFTAP */ | |
902 | if (dhd->set_multicast) { | |
0965ae88 | 903 | dhd->set_multicast = false; |
db62efcc | 904 | _brcmf_set_multicast_list(dhd, i); |
cf2b4488 HP |
905 | } |
906 | if (dhd->set_macaddress) { | |
0965ae88 | 907 | dhd->set_macaddress = false; |
db62efcc | 908 | _brcmf_set_mac_address(dhd, i, |
a44d4236 | 909 | dhd->macvalue); |
cf2b4488 HP |
910 | } |
911 | } | |
912 | } | |
913 | } | |
d809dcb9 | 914 | return 0; |
cf2b4488 HP |
915 | } |
916 | ||
fc2860a9 | 917 | static int brcmf_netdev_set_mac_address(struct net_device *dev, void *addr) |
cf2b4488 HP |
918 | { |
919 | int ret = 0; | |
920 | ||
921 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
922 | struct sockaddr *sa = (struct sockaddr *)addr; | |
923 | int ifidx; | |
924 | ||
db62efcc | 925 | ifidx = brcmf_net2idx(dhd, dev); |
cf2b4488 HP |
926 | if (ifidx == DHD_BAD_IF) |
927 | return -1; | |
928 | ||
d809dcb9 | 929 | ASSERT(dhd->sysioc_tsk); |
b8d63078 | 930 | memcpy(&dhd->macvalue, sa->sa_data, ETH_ALEN); |
0f0881b0 | 931 | dhd->set_macaddress = true; |
cf2b4488 HP |
932 | up(&dhd->sysioc_sem); |
933 | ||
934 | return ret; | |
935 | } | |
936 | ||
fc2860a9 | 937 | static void brcmf_netdev_set_multicast_list(struct net_device *dev) |
cf2b4488 HP |
938 | { |
939 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
940 | int ifidx; | |
941 | ||
db62efcc | 942 | ifidx = brcmf_net2idx(dhd, dev); |
cf2b4488 HP |
943 | if (ifidx == DHD_BAD_IF) |
944 | return; | |
945 | ||
d809dcb9 | 946 | ASSERT(dhd->sysioc_tsk); |
0f0881b0 | 947 | dhd->set_multicast = true; |
cf2b4488 HP |
948 | up(&dhd->sysioc_sem); |
949 | } | |
950 | ||
a84bac46 | 951 | int brcmf_sendpkt(dhd_pub_t *dhdp, int ifidx, struct sk_buff *pktbuf) |
cf2b4488 HP |
952 | { |
953 | int ret; | |
954 | dhd_info_t *dhd = (dhd_info_t *) (dhdp->info); | |
955 | ||
956 | /* Reject if down */ | |
957 | if (!dhdp->up || (dhdp->busstate == DHD_BUS_DOWN)) | |
958 | return -ENODEV; | |
959 | ||
960 | /* Update multicast statistic */ | |
b8d63078 | 961 | if (pktbuf->len >= ETH_ALEN) { |
54991ad6 | 962 | u8 *pktdata = (u8 *) (pktbuf->data); |
e2582ad8 | 963 | struct ethhdr *eh = (struct ethhdr *)pktdata; |
cf2b4488 | 964 | |
e2582ad8 | 965 | if (is_multicast_ether_addr(eh->h_dest)) |
cf2b4488 | 966 | dhdp->tx_multicast++; |
628f10ba | 967 | if (ntohs(eh->h_proto) == ETH_P_PAE) |
cf2b4488 HP |
968 | atomic_inc(&dhd->pend_8021x_cnt); |
969 | } | |
970 | ||
cf2b4488 | 971 | /* If the protocol uses a data header, apply it */ |
0aa94b84 | 972 | brcmf_proto_hdrpush(dhdp, ifidx, pktbuf); |
cf2b4488 HP |
973 | |
974 | /* Use bus module to send data frame */ | |
975 | #ifdef BCMDBUS | |
976 | ret = dbus_send_pkt(dhdp->dbus, pktbuf, NULL /* pktinfo */); | |
977 | #else | |
54ca2969 | 978 | ret = brcmf_sdbrcm_bus_txdata(dhdp->bus, pktbuf); |
cf2b4488 HP |
979 | #endif /* BCMDBUS */ |
980 | ||
981 | return ret; | |
982 | } | |
983 | ||
fc2860a9 | 984 | static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *net) |
cf2b4488 HP |
985 | { |
986 | int ret; | |
cf2b4488 HP |
987 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); |
988 | int ifidx; | |
989 | ||
990 | DHD_TRACE(("%s: Enter\n", __func__)); | |
991 | ||
992 | /* Reject if down */ | |
993 | if (!dhd->pub.up || (dhd->pub.busstate == DHD_BUS_DOWN)) { | |
994 | DHD_ERROR(("%s: xmit rejected pub.up=%d busstate=%d\n", | |
995 | __func__, dhd->pub.up, dhd->pub.busstate)); | |
996 | netif_stop_queue(net); | |
997 | return -ENODEV; | |
998 | } | |
999 | ||
db62efcc | 1000 | ifidx = brcmf_net2idx(dhd, net); |
cf2b4488 HP |
1001 | if (ifidx == DHD_BAD_IF) { |
1002 | DHD_ERROR(("%s: bad ifidx %d\n", __func__, ifidx)); | |
1003 | netif_stop_queue(net); | |
1004 | return -ENODEV; | |
1005 | } | |
1006 | ||
1007 | /* Make sure there's enough room for any header */ | |
1008 | if (skb_headroom(skb) < dhd->pub.hdrlen) { | |
1009 | struct sk_buff *skb2; | |
1010 | ||
1011 | DHD_INFO(("%s: insufficient headroom\n", | |
a84bac46 | 1012 | brcmf_ifname(&dhd->pub, ifidx))); |
cf2b4488 HP |
1013 | dhd->pub.tx_realloc++; |
1014 | skb2 = skb_realloc_headroom(skb, dhd->pub.hdrlen); | |
1015 | dev_kfree_skb(skb); | |
a618cc28 JC |
1016 | skb = skb2; |
1017 | if (skb == NULL) { | |
cf2b4488 | 1018 | DHD_ERROR(("%s: skb_realloc_headroom failed\n", |
a84bac46 | 1019 | brcmf_ifname(&dhd->pub, ifidx))); |
cf2b4488 HP |
1020 | ret = -ENOMEM; |
1021 | goto done; | |
1022 | } | |
1023 | } | |
1024 | ||
b8b5418b | 1025 | ret = brcmf_sendpkt(&dhd->pub, ifidx, skb); |
cf2b4488 HP |
1026 | |
1027 | done: | |
1028 | if (ret) | |
1029 | dhd->pub.dstats.tx_dropped++; | |
1030 | else | |
1031 | dhd->pub.tx_packets++; | |
1032 | ||
1033 | /* Return ok: we always eat the packet */ | |
1034 | return 0; | |
1035 | } | |
1036 | ||
a84bac46 | 1037 | void brcmf_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool state) |
cf2b4488 HP |
1038 | { |
1039 | struct net_device *net; | |
1040 | dhd_info_t *dhd = dhdp->info; | |
1041 | ||
1042 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1043 | ||
1044 | dhdp->txoff = state; | |
1045 | ASSERT(dhd && dhd->iflist[ifidx]); | |
1046 | net = dhd->iflist[ifidx]->net; | |
1047 | if (state == ON) | |
1048 | netif_stop_queue(net); | |
1049 | else | |
1050 | netif_wake_queue(net); | |
1051 | } | |
1052 | ||
b8b5418b | 1053 | void brcmf_rx_frame(dhd_pub_t *dhdp, int ifidx, struct sk_buff *skb, |
c26b1378 | 1054 | int numpkt) |
cf2b4488 HP |
1055 | { |
1056 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
580a0bd9 | 1057 | unsigned char *eth; |
cf2b4488 | 1058 | uint len; |
c26b1378 AS |
1059 | void *data; |
1060 | struct sk_buff *pnext, *save_pktbuf; | |
cf2b4488 HP |
1061 | int i; |
1062 | dhd_if_t *ifp; | |
05dc0f43 | 1063 | brcmf_event_msg_t event; |
cf2b4488 HP |
1064 | |
1065 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1066 | ||
b8b5418b | 1067 | save_pktbuf = skb; |
cf2b4488 | 1068 | |
b8b5418b | 1069 | for (i = 0; skb && i < numpkt; i++, skb = pnext) { |
cf2b4488 | 1070 | |
b8b5418b AS |
1071 | pnext = skb->next; |
1072 | skb->next = NULL; | |
cf2b4488 HP |
1073 | |
1074 | /* Get the protocol, maintain skb around eth_type_trans() | |
1075 | * The main reason for this hack is for the limitation of | |
1076 | * Linux 2.4 where 'eth_type_trans' uses the | |
1077 | * 'net->hard_header_len' | |
1078 | * to perform skb_pull inside vs ETH_HLEN. Since to avoid | |
1079 | * coping of the packet coming from the network stack to add | |
1080 | * BDC, Hardware header etc, during network interface | |
1081 | * registration | |
1082 | * we set the 'net->hard_header_len' to ETH_HLEN + extra space | |
1083 | * required | |
1084 | * for BDC, Hardware header etc. and not just the ETH_HLEN | |
1085 | */ | |
1086 | eth = skb->data; | |
1087 | len = skb->len; | |
1088 | ||
1089 | ifp = dhd->iflist[ifidx]; | |
1090 | if (ifp == NULL) | |
1091 | ifp = dhd->iflist[0]; | |
1092 | ||
1093 | ASSERT(ifp); | |
1094 | skb->dev = ifp->net; | |
1095 | skb->protocol = eth_type_trans(skb, skb->dev); | |
1096 | ||
1097 | if (skb->pkt_type == PACKET_MULTICAST) | |
1098 | dhd->pub.rx_multicast++; | |
1099 | ||
1100 | skb->data = eth; | |
1101 | skb->len = len; | |
1102 | ||
1103 | /* Strip header, count, deliver upward */ | |
1104 | skb_pull(skb, ETH_HLEN); | |
1105 | ||
1106 | /* Process special event packets and then discard them */ | |
628f10ba | 1107 | if (ntohs(skb->protocol) == ETH_P_BRCM) |
db62efcc | 1108 | brcmf_host_event(dhd, &ifidx, |
d4fcdc68 | 1109 | skb_mac_header(skb), |
cf2b4488 HP |
1110 | &event, &data); |
1111 | ||
1112 | ASSERT(ifidx < DHD_MAX_IFS && dhd->iflist[ifidx]); | |
1113 | if (dhd->iflist[ifidx] && !dhd->iflist[ifidx]->state) | |
1114 | ifp = dhd->iflist[ifidx]; | |
1115 | ||
1116 | if (ifp->net) | |
1117 | ifp->net->last_rx = jiffies; | |
1118 | ||
1119 | dhdp->dstats.rx_bytes += skb->len; | |
1120 | dhdp->rx_packets++; /* Local count */ | |
1121 | ||
1122 | if (in_interrupt()) { | |
1123 | netif_rx(skb); | |
1124 | } else { | |
1125 | /* If the receive is not processed inside an ISR, | |
1126 | * the softirqd must be woken explicitly to service | |
1127 | * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled | |
1128 | * by netif_rx_ni(), but in earlier kernels, we need | |
1129 | * to do it manually. | |
1130 | */ | |
1131 | netif_rx_ni(skb); | |
1132 | } | |
1133 | } | |
1134 | } | |
1135 | ||
a84bac46 | 1136 | void brcmf_event(struct dhd_info *dhd, char *evpkt, int evlen, int ifidx) |
cf2b4488 HP |
1137 | { |
1138 | /* Linux version has nothing to do */ | |
1139 | return; | |
1140 | } | |
1141 | ||
a84bac46 | 1142 | void brcmf_txcomplete(dhd_pub_t *dhdp, struct sk_buff *txp, bool success) |
cf2b4488 HP |
1143 | { |
1144 | uint ifidx; | |
1145 | dhd_info_t *dhd = (dhd_info_t *) (dhdp->info); | |
e2582ad8 | 1146 | struct ethhdr *eh; |
7d4df48e | 1147 | u16 type; |
cf2b4488 | 1148 | |
0aa94b84 | 1149 | brcmf_proto_hdrpull(dhdp, &ifidx, txp); |
cf2b4488 | 1150 | |
e2582ad8 | 1151 | eh = (struct ethhdr *)(txp->data); |
628f10ba | 1152 | type = ntohs(eh->h_proto); |
cf2b4488 | 1153 | |
fcbdbed0 | 1154 | if (type == ETH_P_PAE) |
cf2b4488 HP |
1155 | atomic_dec(&dhd->pend_8021x_cnt); |
1156 | ||
1157 | } | |
1158 | ||
fc2860a9 | 1159 | static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *net) |
cf2b4488 HP |
1160 | { |
1161 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1162 | dhd_if_t *ifp; | |
1163 | int ifidx; | |
1164 | ||
1165 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1166 | ||
db62efcc | 1167 | ifidx = brcmf_net2idx(dhd, net); |
cf2b4488 HP |
1168 | if (ifidx == DHD_BAD_IF) |
1169 | return NULL; | |
1170 | ||
1171 | ifp = dhd->iflist[ifidx]; | |
1172 | ASSERT(dhd && ifp); | |
1173 | ||
1174 | if (dhd->pub.up) { | |
1175 | /* Use the protocol to get dongle stats */ | |
0aa94b84 | 1176 | brcmf_proto_dstats(&dhd->pub); |
cf2b4488 HP |
1177 | } |
1178 | ||
1179 | /* Copy dongle stats to net device stats */ | |
1180 | ifp->stats.rx_packets = dhd->pub.dstats.rx_packets; | |
1181 | ifp->stats.tx_packets = dhd->pub.dstats.tx_packets; | |
1182 | ifp->stats.rx_bytes = dhd->pub.dstats.rx_bytes; | |
1183 | ifp->stats.tx_bytes = dhd->pub.dstats.tx_bytes; | |
1184 | ifp->stats.rx_errors = dhd->pub.dstats.rx_errors; | |
1185 | ifp->stats.tx_errors = dhd->pub.dstats.tx_errors; | |
1186 | ifp->stats.rx_dropped = dhd->pub.dstats.rx_dropped; | |
1187 | ifp->stats.tx_dropped = dhd->pub.dstats.tx_dropped; | |
1188 | ifp->stats.multicast = dhd->pub.dstats.multicast; | |
1189 | ||
1190 | return &ifp->stats; | |
1191 | } | |
1192 | ||
db62efcc | 1193 | static int brcmf_watchdog_thread(void *data) |
cf2b4488 HP |
1194 | { |
1195 | dhd_info_t *dhd = (dhd_info_t *) data; | |
cf2b4488 HP |
1196 | |
1197 | /* This thread doesn't need any user-level access, | |
1198 | * so get rid of all our resources | |
1199 | */ | |
7af9d0ca | 1200 | if (brcmf_watchdog_prio > 0) { |
cf2b4488 | 1201 | struct sched_param param; |
7af9d0ca AS |
1202 | param.sched_priority = (brcmf_watchdog_prio < MAX_RT_PRIO) ? |
1203 | brcmf_watchdog_prio : (MAX_RT_PRIO - 1); | |
15cf23d5 | 1204 | sched_setscheduler(current, SCHED_FIFO, ¶m); |
cf2b4488 | 1205 | } |
cf2b4488 | 1206 | |
af737136 | 1207 | allow_signal(SIGTERM); |
cf2b4488 HP |
1208 | /* Run until signal received */ |
1209 | while (1) { | |
860708d9 JC |
1210 | if (kthread_should_stop()) |
1211 | break; | |
cf2b4488 | 1212 | if (down_interruptible(&dhd->watchdog_sem) == 0) { |
0965ae88 | 1213 | if (dhd->pub.dongle_reset == false) { |
cf2b4488 | 1214 | /* Call the bus module watchdog */ |
54ca2969 | 1215 | brcmf_sdbrcm_bus_watchdog(&dhd->pub); |
cf2b4488 HP |
1216 | } |
1217 | /* Count the tick for reference */ | |
1218 | dhd->pub.tickcnt++; | |
1219 | } else | |
1220 | break; | |
1221 | } | |
860708d9 | 1222 | return 0; |
cf2b4488 HP |
1223 | } |
1224 | ||
db62efcc | 1225 | static void brcmf_watchdog(unsigned long data) |
cf2b4488 HP |
1226 | { |
1227 | dhd_info_t *dhd = (dhd_info_t *) data; | |
1228 | ||
860708d9 | 1229 | if (dhd->watchdog_tsk) { |
cf2b4488 HP |
1230 | up(&dhd->watchdog_sem); |
1231 | ||
1232 | /* Reschedule the watchdog */ | |
1233 | if (dhd->wd_timer_valid) { | |
1234 | mod_timer(&dhd->timer, | |
5e92aa8c | 1235 | jiffies + brcmf_watchdog_ms * HZ / 1000); |
cf2b4488 HP |
1236 | } |
1237 | return; | |
1238 | } | |
1239 | ||
1240 | /* Call the bus module watchdog */ | |
54ca2969 | 1241 | brcmf_sdbrcm_bus_watchdog(&dhd->pub); |
cf2b4488 HP |
1242 | |
1243 | /* Count the tick for reference */ | |
1244 | dhd->pub.tickcnt++; | |
1245 | ||
1246 | /* Reschedule the watchdog */ | |
1247 | if (dhd->wd_timer_valid) | |
5e92aa8c | 1248 | mod_timer(&dhd->timer, jiffies + brcmf_watchdog_ms * HZ / 1000); |
cf2b4488 HP |
1249 | } |
1250 | ||
db62efcc | 1251 | static int brcmf_dpc_thread(void *data) |
cf2b4488 HP |
1252 | { |
1253 | dhd_info_t *dhd = (dhd_info_t *) data; | |
1254 | ||
cf2b4488 HP |
1255 | /* This thread doesn't need any user-level access, |
1256 | * so get rid of all our resources | |
1257 | */ | |
7af9d0ca | 1258 | if (brcmf_dpc_prio > 0) { |
cf2b4488 HP |
1259 | struct sched_param param; |
1260 | param.sched_priority = | |
7af9d0ca AS |
1261 | (brcmf_dpc_prio < |
1262 | MAX_RT_PRIO) ? brcmf_dpc_prio : (MAX_RT_PRIO - 1); | |
15cf23d5 | 1263 | sched_setscheduler(current, SCHED_FIFO, ¶m); |
cf2b4488 | 1264 | } |
cf2b4488 | 1265 | |
af737136 | 1266 | allow_signal(SIGTERM); |
cf2b4488 HP |
1267 | /* Run until signal received */ |
1268 | while (1) { | |
eeb8e46b | 1269 | if (kthread_should_stop()) |
ecd7559d | 1270 | break; |
cf2b4488 HP |
1271 | if (down_interruptible(&dhd->dpc_sem) == 0) { |
1272 | /* Call bus dpc unless it indicated down | |
1273 | (then clean stop) */ | |
1274 | if (dhd->pub.busstate != DHD_BUS_DOWN) { | |
cf2b4488 HP |
1275 | if (dhd_bus_dpc(dhd->pub.bus)) { |
1276 | up(&dhd->dpc_sem); | |
cf2b4488 | 1277 | } |
cf2b4488 | 1278 | } else { |
54ca2969 | 1279 | brcmf_sdbrcm_bus_stop(dhd->pub.bus, true); |
cf2b4488 HP |
1280 | } |
1281 | } else | |
1282 | break; | |
1283 | } | |
ecd7559d | 1284 | return 0; |
cf2b4488 HP |
1285 | } |
1286 | ||
db62efcc | 1287 | static void brcmf_dpc(unsigned long data) |
cf2b4488 HP |
1288 | { |
1289 | dhd_info_t *dhd; | |
1290 | ||
1291 | dhd = (dhd_info_t *) data; | |
1292 | ||
1293 | /* Call bus dpc unless it indicated down (then clean stop) */ | |
1294 | if (dhd->pub.busstate != DHD_BUS_DOWN) { | |
1295 | if (dhd_bus_dpc(dhd->pub.bus)) | |
1296 | tasklet_schedule(&dhd->tasklet); | |
1297 | } else { | |
54ca2969 | 1298 | brcmf_sdbrcm_bus_stop(dhd->pub.bus, true); |
cf2b4488 HP |
1299 | } |
1300 | } | |
1301 | ||
a84bac46 | 1302 | void brcmf_sched_dpc(dhd_pub_t *dhdp) |
cf2b4488 HP |
1303 | { |
1304 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
1305 | ||
ecd7559d | 1306 | if (dhd->dpc_tsk) { |
cf2b4488 HP |
1307 | up(&dhd->dpc_sem); |
1308 | return; | |
1309 | } | |
1310 | ||
1311 | tasklet_schedule(&dhd->tasklet); | |
1312 | } | |
1313 | ||
cf2b4488 HP |
1314 | /* Retrieve current toe component enables, which are kept |
1315 | as a bitmap in toe_ol iovar */ | |
db62efcc | 1316 | static int brcmf_toe_get(dhd_info_t *dhd, int ifidx, u32 *toe_ol) |
cf2b4488 HP |
1317 | { |
1318 | wl_ioctl_t ioc; | |
1319 | char buf[32]; | |
1320 | int ret; | |
1321 | ||
1322 | memset(&ioc, 0, sizeof(ioc)); | |
1323 | ||
366bbb3f | 1324 | ioc.cmd = BRCMF_C_GET_VAR; |
cf2b4488 HP |
1325 | ioc.buf = buf; |
1326 | ioc.len = (uint) sizeof(buf); | |
0965ae88 | 1327 | ioc.set = false; |
cf2b4488 HP |
1328 | |
1329 | strcpy(buf, "toe_ol"); | |
0aa94b84 | 1330 | ret = brcmf_proto_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
a618cc28 | 1331 | if (ret < 0) { |
cf2b4488 HP |
1332 | /* Check for older dongle image that doesn't support toe_ol */ |
1333 | if (ret == -EIO) { | |
1334 | DHD_ERROR(("%s: toe not supported by device\n", | |
a84bac46 | 1335 | brcmf_ifname(&dhd->pub, ifidx))); |
cf2b4488 HP |
1336 | return -EOPNOTSUPP; |
1337 | } | |
1338 | ||
1339 | DHD_INFO(("%s: could not get toe_ol: ret=%d\n", | |
a84bac46 | 1340 | brcmf_ifname(&dhd->pub, ifidx), ret)); |
cf2b4488 HP |
1341 | return ret; |
1342 | } | |
1343 | ||
66cbd3ab | 1344 | memcpy(toe_ol, buf, sizeof(u32)); |
cf2b4488 HP |
1345 | return 0; |
1346 | } | |
1347 | ||
1348 | /* Set current toe component enables in toe_ol iovar, | |
1349 | and set toe global enable iovar */ | |
db62efcc | 1350 | static int brcmf_toe_set(dhd_info_t *dhd, int ifidx, u32 toe_ol) |
cf2b4488 HP |
1351 | { |
1352 | wl_ioctl_t ioc; | |
1353 | char buf[32]; | |
1354 | int toe, ret; | |
1355 | ||
1356 | memset(&ioc, 0, sizeof(ioc)); | |
1357 | ||
366bbb3f | 1358 | ioc.cmd = BRCMF_C_SET_VAR; |
cf2b4488 HP |
1359 | ioc.buf = buf; |
1360 | ioc.len = (uint) sizeof(buf); | |
0f0881b0 | 1361 | ioc.set = true; |
cf2b4488 HP |
1362 | |
1363 | /* Set toe_ol as requested */ | |
1364 | ||
1365 | strcpy(buf, "toe_ol"); | |
66cbd3ab | 1366 | memcpy(&buf[sizeof("toe_ol")], &toe_ol, sizeof(u32)); |
cf2b4488 | 1367 | |
0aa94b84 | 1368 | ret = brcmf_proto_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
a618cc28 | 1369 | if (ret < 0) { |
cf2b4488 | 1370 | DHD_ERROR(("%s: could not set toe_ol: ret=%d\n", |
a84bac46 | 1371 | brcmf_ifname(&dhd->pub, ifidx), ret)); |
cf2b4488 HP |
1372 | return ret; |
1373 | } | |
1374 | ||
1375 | /* Enable toe globally only if any components are enabled. */ | |
1376 | ||
1377 | toe = (toe_ol != 0); | |
1378 | ||
1379 | strcpy(buf, "toe"); | |
66cbd3ab | 1380 | memcpy(&buf[sizeof("toe")], &toe, sizeof(u32)); |
cf2b4488 | 1381 | |
0aa94b84 | 1382 | ret = brcmf_proto_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len); |
a618cc28 | 1383 | if (ret < 0) { |
cf2b4488 | 1384 | DHD_ERROR(("%s: could not set toe: ret=%d\n", |
a84bac46 | 1385 | brcmf_ifname(&dhd->pub, ifidx), ret)); |
cf2b4488 HP |
1386 | return ret; |
1387 | } | |
1388 | ||
1389 | return 0; | |
1390 | } | |
cf2b4488 | 1391 | |
fc2860a9 | 1392 | static void brcmf_ethtool_get_drvinfo(struct net_device *net, |
cf2b4488 HP |
1393 | struct ethtool_drvinfo *info) |
1394 | { | |
1395 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1396 | ||
f70a456a | 1397 | sprintf(info->driver, KBUILD_MODNAME); |
cf2b4488 | 1398 | sprintf(info->version, "%lu", dhd->pub.drv_version); |
93ad12cf | 1399 | sprintf(info->fw_version, "%s", wl_cfg80211_get_fwname()); |
1400 | sprintf(info->bus_info, "%s", dev_name(&wl_cfg80211_get_sdio_func()->dev)); | |
cf2b4488 HP |
1401 | } |
1402 | ||
fc2860a9 AS |
1403 | struct ethtool_ops brcmf_ethtool_ops = { |
1404 | .get_drvinfo = brcmf_ethtool_get_drvinfo | |
cf2b4488 HP |
1405 | }; |
1406 | ||
fc2860a9 | 1407 | static int brcmf_ethtool(dhd_info_t *dhd, void *uaddr) |
cf2b4488 HP |
1408 | { |
1409 | struct ethtool_drvinfo info; | |
1410 | char drvname[sizeof(info.driver)]; | |
66cbd3ab | 1411 | u32 cmd; |
cf2b4488 | 1412 | struct ethtool_value edata; |
66cbd3ab | 1413 | u32 toe_cmpnt, csum_dir; |
cf2b4488 | 1414 | int ret; |
cf2b4488 HP |
1415 | |
1416 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1417 | ||
1418 | /* all ethtool calls start with a cmd word */ | |
66cbd3ab | 1419 | if (copy_from_user(&cmd, uaddr, sizeof(u32))) |
cf2b4488 HP |
1420 | return -EFAULT; |
1421 | ||
1422 | switch (cmd) { | |
1423 | case ETHTOOL_GDRVINFO: | |
1424 | /* Copy out any request driver name */ | |
1425 | if (copy_from_user(&info, uaddr, sizeof(info))) | |
1426 | return -EFAULT; | |
1427 | strncpy(drvname, info.driver, sizeof(info.driver)); | |
1428 | drvname[sizeof(info.driver) - 1] = '\0'; | |
1429 | ||
1430 | /* clear struct for return */ | |
1431 | memset(&info, 0, sizeof(info)); | |
1432 | info.cmd = cmd; | |
1433 | ||
1434 | /* if dhd requested, identify ourselves */ | |
1435 | if (strcmp(drvname, "?dhd") == 0) { | |
1436 | sprintf(info.driver, "dhd"); | |
1437 | strcpy(info.version, EPI_VERSION_STR); | |
1438 | } | |
1439 | ||
1440 | /* otherwise, require dongle to be up */ | |
1441 | else if (!dhd->pub.up) { | |
1442 | DHD_ERROR(("%s: dongle is not up\n", __func__)); | |
1443 | return -ENODEV; | |
1444 | } | |
1445 | ||
1446 | /* finally, report dongle driver type */ | |
1447 | else if (dhd->pub.iswl) | |
1448 | sprintf(info.driver, "wl"); | |
1449 | else | |
1450 | sprintf(info.driver, "xx"); | |
1451 | ||
1452 | sprintf(info.version, "%lu", dhd->pub.drv_version); | |
1453 | if (copy_to_user(uaddr, &info, sizeof(info))) | |
1454 | return -EFAULT; | |
1455 | DHD_CTL(("%s: given %*s, returning %s\n", __func__, | |
1456 | (int)sizeof(drvname), drvname, info.driver)); | |
1457 | break; | |
1458 | ||
cf2b4488 HP |
1459 | /* Get toe offload components from dongle */ |
1460 | case ETHTOOL_GRXCSUM: | |
1461 | case ETHTOOL_GTXCSUM: | |
db62efcc | 1462 | ret = brcmf_toe_get(dhd, 0, &toe_cmpnt); |
a618cc28 | 1463 | if (ret < 0) |
cf2b4488 HP |
1464 | return ret; |
1465 | ||
1466 | csum_dir = | |
1467 | (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | |
1468 | ||
1469 | edata.cmd = cmd; | |
1470 | edata.data = (toe_cmpnt & csum_dir) ? 1 : 0; | |
1471 | ||
1472 | if (copy_to_user(uaddr, &edata, sizeof(edata))) | |
1473 | return -EFAULT; | |
1474 | break; | |
1475 | ||
1476 | /* Set toe offload components in dongle */ | |
1477 | case ETHTOOL_SRXCSUM: | |
1478 | case ETHTOOL_STXCSUM: | |
1479 | if (copy_from_user(&edata, uaddr, sizeof(edata))) | |
1480 | return -EFAULT; | |
1481 | ||
1482 | /* Read the current settings, update and write back */ | |
db62efcc | 1483 | ret = brcmf_toe_get(dhd, 0, &toe_cmpnt); |
a618cc28 | 1484 | if (ret < 0) |
cf2b4488 HP |
1485 | return ret; |
1486 | ||
1487 | csum_dir = | |
1488 | (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | |
1489 | ||
1490 | if (edata.data != 0) | |
1491 | toe_cmpnt |= csum_dir; | |
1492 | else | |
1493 | toe_cmpnt &= ~csum_dir; | |
1494 | ||
db62efcc | 1495 | ret = brcmf_toe_set(dhd, 0, toe_cmpnt); |
a618cc28 | 1496 | if (ret < 0) |
cf2b4488 HP |
1497 | return ret; |
1498 | ||
1499 | /* If setting TX checksum mode, tell Linux the new mode */ | |
1500 | if (cmd == ETHTOOL_STXCSUM) { | |
1501 | if (edata.data) | |
1502 | dhd->iflist[0]->net->features |= | |
1503 | NETIF_F_IP_CSUM; | |
1504 | else | |
1505 | dhd->iflist[0]->net->features &= | |
1506 | ~NETIF_F_IP_CSUM; | |
1507 | } | |
1508 | ||
1509 | break; | |
cf2b4488 HP |
1510 | |
1511 | default: | |
1512 | return -EOPNOTSUPP; | |
1513 | } | |
1514 | ||
1515 | return 0; | |
1516 | } | |
1517 | ||
fc2860a9 AS |
1518 | static int brcmf_netdev_ioctl_entry(struct net_device *net, struct ifreq *ifr, |
1519 | int cmd) | |
cf2b4488 HP |
1520 | { |
1521 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1522 | dhd_ioctl_t ioc; | |
1523 | int bcmerror = 0; | |
1524 | int buflen = 0; | |
1525 | void *buf = NULL; | |
1526 | uint driver = 0; | |
1527 | int ifidx; | |
1528 | bool is_set_key_cmd; | |
1529 | ||
db62efcc | 1530 | ifidx = brcmf_net2idx(dhd, net); |
cf2b4488 HP |
1531 | DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __func__, ifidx, cmd)); |
1532 | ||
1533 | if (ifidx == DHD_BAD_IF) | |
1534 | return -1; | |
1535 | ||
cf2b4488 | 1536 | if (cmd == SIOCETHTOOL) |
fc2860a9 | 1537 | return brcmf_ethtool(dhd, (void *)ifr->ifr_data); |
cf2b4488 HP |
1538 | |
1539 | if (cmd != SIOCDEVPRIVATE) | |
1540 | return -EOPNOTSUPP; | |
1541 | ||
1542 | memset(&ioc, 0, sizeof(ioc)); | |
1543 | ||
1544 | /* Copy the ioc control structure part of ioctl request */ | |
1545 | if (copy_from_user(&ioc, ifr->ifr_data, sizeof(wl_ioctl_t))) { | |
e10d82d4 | 1546 | bcmerror = -EINVAL; |
cf2b4488 HP |
1547 | goto done; |
1548 | } | |
1549 | ||
1550 | /* Copy out any buffer passed */ | |
1551 | if (ioc.buf) { | |
53e974db | 1552 | buflen = min_t(int, ioc.len, DHD_IOCTL_MAXLEN); |
cf2b4488 HP |
1553 | /* optimization for direct ioctl calls from kernel */ |
1554 | /* | |
1555 | if (segment_eq(get_fs(), KERNEL_DS)) { | |
1556 | buf = ioc.buf; | |
1557 | } else { | |
1558 | */ | |
1559 | { | |
5fcc1fcb | 1560 | buf = kmalloc(buflen, GFP_ATOMIC); |
a618cc28 | 1561 | if (!buf) { |
e10d82d4 | 1562 | bcmerror = -ENOMEM; |
cf2b4488 HP |
1563 | goto done; |
1564 | } | |
1565 | if (copy_from_user(buf, ioc.buf, buflen)) { | |
e10d82d4 | 1566 | bcmerror = -EINVAL; |
cf2b4488 HP |
1567 | goto done; |
1568 | } | |
1569 | } | |
1570 | } | |
1571 | ||
1572 | /* To differentiate between wl and dhd read 4 more byes */ | |
1573 | if ((copy_from_user(&driver, (char *)ifr->ifr_data + sizeof(wl_ioctl_t), | |
1574 | sizeof(uint)) != 0)) { | |
e10d82d4 | 1575 | bcmerror = -EINVAL; |
cf2b4488 HP |
1576 | goto done; |
1577 | } | |
1578 | ||
1579 | if (!capable(CAP_NET_ADMIN)) { | |
e10d82d4 | 1580 | bcmerror = -EPERM; |
cf2b4488 HP |
1581 | goto done; |
1582 | } | |
1583 | ||
1584 | /* check for local dhd ioctl and handle it */ | |
1585 | if (driver == DHD_IOCTL_MAGIC) { | |
aba5e0ad | 1586 | bcmerror = brcmf_c_ioctl((void *)&dhd->pub, &ioc, buf, buflen); |
cf2b4488 HP |
1587 | if (bcmerror) |
1588 | dhd->pub.bcmerror = bcmerror; | |
1589 | goto done; | |
1590 | } | |
1591 | ||
1592 | /* send to dongle (must be up, and wl) */ | |
1593 | if ((dhd->pub.busstate != DHD_BUS_DATA)) { | |
1594 | DHD_ERROR(("%s DONGLE_DOWN,__func__\n", __func__)); | |
b74ac12e | 1595 | bcmerror = -EIO; |
cf2b4488 HP |
1596 | goto done; |
1597 | } | |
1598 | ||
1599 | if (!dhd->pub.iswl) { | |
b74ac12e | 1600 | bcmerror = -EIO; |
cf2b4488 HP |
1601 | goto done; |
1602 | } | |
1603 | ||
366bbb3f AS |
1604 | /* |
1605 | * Intercept BRCMF_C_SET_KEY IOCTL - serialize M4 send and | |
1606 | * set key IOCTL to prevent M4 encryption. | |
cf2b4488 | 1607 | */ |
366bbb3f AS |
1608 | is_set_key_cmd = ((ioc.cmd == BRCMF_C_SET_KEY) || |
1609 | ((ioc.cmd == BRCMF_C_SET_VAR) && | |
cf2b4488 | 1610 | !(strncmp("wsec_key", ioc.buf, 9))) || |
366bbb3f | 1611 | ((ioc.cmd == BRCMF_C_SET_VAR) && |
cf2b4488 HP |
1612 | !(strncmp("bsscfg:wsec_key", ioc.buf, 15)))); |
1613 | if (is_set_key_cmd) | |
fc2860a9 | 1614 | brcmf_netdev_wait_pend8021x(net); |
cf2b4488 | 1615 | |
cf2b4488 | 1616 | bcmerror = |
0aa94b84 AS |
1617 | brcmf_proto_ioctl(&dhd->pub, ifidx, (wl_ioctl_t *)&ioc, buf, |
1618 | buflen); | |
cf2b4488 | 1619 | |
cf2b4488 HP |
1620 | done: |
1621 | if (!bcmerror && buf && ioc.buf) { | |
1622 | if (copy_to_user(ioc.buf, buf, buflen)) | |
1623 | bcmerror = -EFAULT; | |
1624 | } | |
1625 | ||
46d994b1 | 1626 | kfree(buf); |
cf2b4488 | 1627 | |
9014378b BR |
1628 | if (bcmerror > 0) |
1629 | bcmerror = 0; | |
9014378b | 1630 | |
b74ac12e | 1631 | return bcmerror; |
cf2b4488 HP |
1632 | } |
1633 | ||
fc2860a9 | 1634 | static int brcmf_netdev_stop(struct net_device *net) |
cf2b4488 HP |
1635 | { |
1636 | #if !defined(IGNORE_ETH0_DOWN) | |
1637 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
1638 | ||
1639 | DHD_TRACE(("%s: Enter\n", __func__)); | |
f10c5b0b | 1640 | wl_cfg80211_down(); |
cf2b4488 HP |
1641 | if (dhd->pub.up == 0) |
1642 | return 0; | |
1643 | ||
1644 | /* Set state and stop OS transmissions */ | |
1645 | dhd->pub.up = 0; | |
1646 | netif_stop_queue(net); | |
1647 | #else | |
1648 | DHD_ERROR(("BYPASS %s:due to BRCM compilation : under investigation\n", | |
1649 | __func__)); | |
1650 | #endif /* !defined(IGNORE_ETH0_DOWN) */ | |
1651 | ||
cf2b4488 HP |
1652 | return 0; |
1653 | } | |
1654 | ||
fc2860a9 | 1655 | static int brcmf_netdev_open(struct net_device *net) |
cf2b4488 HP |
1656 | { |
1657 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net); | |
66cbd3ab | 1658 | u32 toe_ol; |
db62efcc | 1659 | int ifidx = brcmf_net2idx(dhd, net); |
3e26416e | 1660 | s32 ret = 0; |
cf2b4488 HP |
1661 | |
1662 | DHD_TRACE(("%s: ifidx %d\n", __func__, ifidx)); | |
1663 | ||
1664 | if (ifidx == 0) { /* do it only for primary eth0 */ | |
1665 | ||
1666 | /* try to bring up bus */ | |
a84bac46 | 1667 | ret = brcmf_bus_start(&dhd->pub); |
a618cc28 | 1668 | if (ret != 0) { |
cf2b4488 HP |
1669 | DHD_ERROR(("%s: failed with code %d\n", __func__, ret)); |
1670 | return -1; | |
1671 | } | |
1672 | atomic_set(&dhd->pend_8021x_cnt, 0); | |
1673 | ||
a44d4236 | 1674 | memcpy(net->dev_addr, dhd->pub.mac, ETH_ALEN); |
cf2b4488 | 1675 | |
cf2b4488 | 1676 | /* Get current TOE mode from dongle */ |
db62efcc | 1677 | if (brcmf_toe_get(dhd, ifidx, &toe_ol) >= 0 |
cf2b4488 HP |
1678 | && (toe_ol & TOE_TX_CSUM_OL) != 0) |
1679 | dhd->iflist[ifidx]->net->features |= NETIF_F_IP_CSUM; | |
1680 | else | |
1681 | dhd->iflist[ifidx]->net->features &= ~NETIF_F_IP_CSUM; | |
cf2b4488 HP |
1682 | } |
1683 | /* Allow transmit calls */ | |
1684 | netif_start_queue(net); | |
1685 | dhd->pub.up = 1; | |
f10c5b0b AS |
1686 | if (unlikely(wl_cfg80211_up())) { |
1687 | DHD_ERROR(("%s: failed to bring up cfg80211\n", | |
1688 | __func__)); | |
1689 | return -1; | |
cf2b4488 | 1690 | } |
cf2b4488 | 1691 | |
cf2b4488 HP |
1692 | return ret; |
1693 | } | |
1694 | ||
cf2b4488 | 1695 | int |
a84bac46 | 1696 | brcmf_add_if(dhd_info_t *dhd, int ifidx, void *handle, char *name, |
66cbd3ab | 1697 | u8 *mac_addr, u32 flags, u8 bssidx) |
cf2b4488 HP |
1698 | { |
1699 | dhd_if_t *ifp; | |
1700 | ||
1701 | DHD_TRACE(("%s: idx %d, handle->%p\n", __func__, ifidx, handle)); | |
1702 | ||
1703 | ASSERT(dhd && (ifidx < DHD_MAX_IFS)); | |
1704 | ||
1705 | ifp = dhd->iflist[ifidx]; | |
a7c551bc AS |
1706 | if (!ifp) { |
1707 | ifp = kmalloc(sizeof(dhd_if_t), GFP_ATOMIC); | |
1708 | if (!ifp) { | |
1709 | DHD_ERROR(("%s: OOM - dhd_if_t\n", __func__)); | |
1710 | return -ENOMEM; | |
1711 | } | |
cf2b4488 HP |
1712 | } |
1713 | ||
1714 | memset(ifp, 0, sizeof(dhd_if_t)); | |
1715 | ifp->info = dhd; | |
1716 | dhd->iflist[ifidx] = ifp; | |
cbf6baac | 1717 | strlcpy(ifp->name, name, IFNAMSIZ); |
cf2b4488 | 1718 | if (mac_addr != NULL) |
b8d63078 | 1719 | memcpy(&ifp->mac_addr, mac_addr, ETH_ALEN); |
cf2b4488 HP |
1720 | |
1721 | if (handle == NULL) { | |
05dc0f43 | 1722 | ifp->state = BRCMF_E_IF_ADD; |
cf2b4488 | 1723 | ifp->idx = ifidx; |
d809dcb9 | 1724 | ASSERT(dhd->sysioc_tsk); |
cf2b4488 HP |
1725 | up(&dhd->sysioc_sem); |
1726 | } else | |
1727 | ifp->net = (struct net_device *)handle; | |
1728 | ||
1729 | return 0; | |
1730 | } | |
1731 | ||
a84bac46 | 1732 | void brcmf_del_if(dhd_info_t *dhd, int ifidx) |
cf2b4488 HP |
1733 | { |
1734 | dhd_if_t *ifp; | |
1735 | ||
1736 | DHD_TRACE(("%s: idx %d\n", __func__, ifidx)); | |
1737 | ||
1738 | ASSERT(dhd && ifidx && (ifidx < DHD_MAX_IFS)); | |
1739 | ifp = dhd->iflist[ifidx]; | |
1740 | if (!ifp) { | |
1741 | DHD_ERROR(("%s: Null interface\n", __func__)); | |
1742 | return; | |
1743 | } | |
1744 | ||
05dc0f43 | 1745 | ifp->state = BRCMF_E_IF_DEL; |
cf2b4488 | 1746 | ifp->idx = ifidx; |
d809dcb9 | 1747 | ASSERT(dhd->sysioc_tsk); |
cf2b4488 HP |
1748 | up(&dhd->sysioc_sem); |
1749 | } | |
1750 | ||
a84bac46 | 1751 | dhd_pub_t *brcmf_attach(struct dhd_bus *bus, uint bus_hdrlen) |
cf2b4488 HP |
1752 | { |
1753 | dhd_info_t *dhd = NULL; | |
1754 | struct net_device *net; | |
1755 | ||
1756 | DHD_TRACE(("%s: Enter\n", __func__)); | |
1757 | /* updates firmware nvram path if it was provided as module | |
1758 | paramters */ | |
1759 | if ((firmware_path != NULL) && (firmware_path[0] != '\0')) | |
aba5e0ad | 1760 | strcpy(brcmf_fw_path, firmware_path); |
cf2b4488 | 1761 | if ((nvram_path != NULL) && (nvram_path[0] != '\0')) |
aba5e0ad | 1762 | strcpy(brcmf_nv_path, nvram_path); |
cf2b4488 HP |
1763 | |
1764 | /* Allocate etherdev, including space for private structure */ | |
a618cc28 JC |
1765 | net = alloc_etherdev(sizeof(dhd)); |
1766 | if (!net) { | |
cf2b4488 HP |
1767 | DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); |
1768 | goto fail; | |
1769 | } | |
1770 | ||
1771 | /* Allocate primary dhd_info */ | |
12d0eb47 | 1772 | dhd = kzalloc(sizeof(dhd_info_t), GFP_ATOMIC); |
a618cc28 | 1773 | if (!dhd) { |
cf2b4488 HP |
1774 | DHD_ERROR(("%s: OOM - alloc dhd_info\n", __func__)); |
1775 | goto fail; | |
1776 | } | |
1777 | ||
cf2b4488 HP |
1778 | /* |
1779 | * Save the dhd_info into the priv | |
1780 | */ | |
1781 | memcpy(netdev_priv(net), &dhd, sizeof(dhd)); | |
cf2b4488 HP |
1782 | |
1783 | /* Set network interface name if it was provided as module parameter */ | |
1784 | if (iface_name[0]) { | |
1785 | int len; | |
1786 | char ch; | |
1787 | strncpy(net->name, iface_name, IFNAMSIZ); | |
1788 | net->name[IFNAMSIZ - 1] = 0; | |
1789 | len = strlen(net->name); | |
1790 | ch = net->name[len - 1]; | |
1791 | if ((ch > '9' || ch < '0') && (len < IFNAMSIZ - 2)) | |
1792 | strcat(net->name, "%d"); | |
1793 | } | |
1794 | ||
a84bac46 | 1795 | if (brcmf_add_if(dhd, 0, (void *)net, net->name, NULL, 0, 0) == |
cf2b4488 HP |
1796 | DHD_BAD_IF) |
1797 | goto fail; | |
1798 | ||
1799 | net->netdev_ops = NULL; | |
45f4d024 | 1800 | sema_init(&dhd->proto_sem, 1); |
cf2b4488 HP |
1801 | /* Initialize other structure content */ |
1802 | init_waitqueue_head(&dhd->ioctl_resp_wait); | |
1803 | init_waitqueue_head(&dhd->ctrl_wait); | |
1804 | ||
1805 | /* Initialize the spinlocks */ | |
1806 | spin_lock_init(&dhd->sdlock); | |
cf2b4488 HP |
1807 | |
1808 | /* Link to info module */ | |
1809 | dhd->pub.info = dhd; | |
1810 | ||
1811 | /* Link to bus module */ | |
1812 | dhd->pub.bus = bus; | |
1813 | dhd->pub.hdrlen = bus_hdrlen; | |
1814 | ||
1815 | /* Attach and link in the protocol */ | |
0aa94b84 | 1816 | if (brcmf_proto_attach(&dhd->pub) != 0) { |
cf2b4488 HP |
1817 | DHD_ERROR(("dhd_prot_attach failed\n")); |
1818 | goto fail; | |
1819 | } | |
cf2b4488 | 1820 | |
cf2b4488 | 1821 | /* Attach and link in the cfg80211 */ |
f10c5b0b AS |
1822 | if (unlikely(wl_cfg80211_attach(net, &dhd->pub))) { |
1823 | DHD_ERROR(("wl_cfg80211_attach failed\n")); | |
1824 | goto fail; | |
1825 | } | |
7af9d0ca | 1826 | if (!brcmf_no_fw_req) { |
aba5e0ad AS |
1827 | strcpy(brcmf_fw_path, wl_cfg80211_get_fwname()); |
1828 | strcpy(brcmf_nv_path, wl_cfg80211_get_nvramname()); | |
cf2b4488 | 1829 | } |
cf2b4488 HP |
1830 | |
1831 | /* Set up the watchdog timer */ | |
1832 | init_timer(&dhd->timer); | |
3deea904 | 1833 | dhd->timer.data = (unsigned long) dhd; |
db62efcc | 1834 | dhd->timer.function = brcmf_watchdog; |
cf2b4488 HP |
1835 | |
1836 | /* Initialize thread based operation and lock */ | |
45f4d024 | 1837 | sema_init(&dhd->sdsem, 1); |
7af9d0ca | 1838 | if ((brcmf_watchdog_prio >= 0) && (brcmf_dpc_prio >= 0)) |
0f0881b0 | 1839 | dhd->threads_only = true; |
cf2b4488 | 1840 | else |
0965ae88 | 1841 | dhd->threads_only = false; |
cf2b4488 | 1842 | |
7af9d0ca | 1843 | if (brcmf_dpc_prio >= 0) { |
cf2b4488 HP |
1844 | /* Initialize watchdog thread */ |
1845 | sema_init(&dhd->watchdog_sem, 0); | |
db62efcc | 1846 | dhd->watchdog_tsk = kthread_run(brcmf_watchdog_thread, dhd, |
860708d9 JC |
1847 | "dhd_watchdog"); |
1848 | if (IS_ERR(dhd->watchdog_tsk)) { | |
1849 | printk(KERN_WARNING | |
1850 | "dhd_watchdog thread failed to start\n"); | |
1851 | dhd->watchdog_tsk = NULL; | |
1852 | } | |
cf2b4488 | 1853 | } else { |
860708d9 | 1854 | dhd->watchdog_tsk = NULL; |
cf2b4488 HP |
1855 | } |
1856 | ||
1857 | /* Set up the bottom half handler */ | |
7af9d0ca | 1858 | if (brcmf_dpc_prio >= 0) { |
cf2b4488 HP |
1859 | /* Initialize DPC thread */ |
1860 | sema_init(&dhd->dpc_sem, 0); | |
db62efcc | 1861 | dhd->dpc_tsk = kthread_run(brcmf_dpc_thread, dhd, "dhd_dpc"); |
ecd7559d JC |
1862 | if (IS_ERR(dhd->dpc_tsk)) { |
1863 | printk(KERN_WARNING | |
1864 | "dhd_dpc thread failed to start\n"); | |
1865 | dhd->dpc_tsk = NULL; | |
1866 | } | |
cf2b4488 | 1867 | } else { |
db62efcc | 1868 | tasklet_init(&dhd->tasklet, brcmf_dpc, (unsigned long) dhd); |
ecd7559d | 1869 | dhd->dpc_tsk = NULL; |
cf2b4488 HP |
1870 | } |
1871 | ||
7af9d0ca | 1872 | if (brcmf_sysioc) { |
cf2b4488 | 1873 | sema_init(&dhd->sysioc_sem, 0); |
db62efcc | 1874 | dhd->sysioc_tsk = kthread_run(_brcmf_sysioc_thread, dhd, |
d809dcb9 JC |
1875 | "_dhd_sysioc"); |
1876 | if (IS_ERR(dhd->sysioc_tsk)) { | |
1877 | printk(KERN_WARNING | |
1878 | "_dhd_sysioc thread failed to start\n"); | |
1879 | dhd->sysioc_tsk = NULL; | |
1880 | } | |
1881 | } else | |
1882 | dhd->sysioc_tsk = NULL; | |
cf2b4488 HP |
1883 | |
1884 | /* | |
1885 | * Save the dhd_info into the priv | |
1886 | */ | |
1887 | memcpy(netdev_priv(net), &dhd, sizeof(dhd)); | |
1888 | ||
1889 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
1890 | g_bus = bus; | |
1891 | #endif | |
1892 | #if defined(CONFIG_PM_SLEEP) | |
8d825a8e | 1893 | atomic_set(&brcmf_mmc_suspend, false); |
cf2b4488 HP |
1894 | #endif /* defined(CONFIG_PM_SLEEP) */ |
1895 | /* && defined(DHD_GPL) */ | |
1896 | /* Init lock suspend to prevent kernel going to suspend */ | |
cf2b4488 HP |
1897 | #ifdef CONFIG_HAS_EARLYSUSPEND |
1898 | dhd->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 20; | |
db62efcc AS |
1899 | dhd->early_suspend.suspend = brcmf_early_suspend; |
1900 | dhd->early_suspend.resume = brcmf_late_resume; | |
cf2b4488 HP |
1901 | register_early_suspend(&dhd->early_suspend); |
1902 | #endif | |
1903 | ||
1904 | return &dhd->pub; | |
1905 | ||
1906 | fail: | |
1907 | if (net) | |
1908 | free_netdev(net); | |
1909 | if (dhd) | |
a84bac46 | 1910 | brcmf_detach(&dhd->pub); |
cf2b4488 HP |
1911 | |
1912 | return NULL; | |
1913 | } | |
1914 | ||
a84bac46 | 1915 | int brcmf_bus_start(dhd_pub_t *dhdp) |
cf2b4488 HP |
1916 | { |
1917 | int ret = -1; | |
1918 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
cf2b4488 HP |
1919 | char iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + |
1920 | '\0' + bitvec */ | |
cf2b4488 HP |
1921 | |
1922 | ASSERT(dhd); | |
1923 | ||
1924 | DHD_TRACE(("%s:\n", __func__)); | |
1925 | ||
1926 | /* try to download image and nvram to the dongle */ | |
1927 | if (dhd->pub.busstate == DHD_BUS_DOWN) { | |
aba5e0ad AS |
1928 | if (!(dhd_bus_download_firmware(dhd->pub.bus, brcmf_fw_path, |
1929 | brcmf_nv_path))) { | |
54ca2969 | 1930 | DHD_ERROR(("%s: dhd_bus_download_firmware failed. " |
cf2b4488 | 1931 | "firmware = %s nvram = %s\n", |
aba5e0ad | 1932 | __func__, brcmf_fw_path, brcmf_nv_path)); |
cf2b4488 HP |
1933 | return -1; |
1934 | } | |
cf2b4488 HP |
1935 | } |
1936 | ||
1937 | /* Start the watchdog timer */ | |
1938 | dhd->pub.tickcnt = 0; | |
a84bac46 | 1939 | brcmf_os_wd_timer(&dhd->pub, brcmf_watchdog_ms); |
cf2b4488 HP |
1940 | |
1941 | /* Bring up the bus */ | |
54ca2969 | 1942 | ret = brcmf_sdbrcm_bus_init(&dhd->pub, true); |
a618cc28 | 1943 | if (ret != 0) { |
54ca2969 RV |
1944 | DHD_ERROR(("%s, brcmf_sdbrcm_bus_init failed %d\n", __func__, |
1945 | ret)); | |
cf2b4488 HP |
1946 | return ret; |
1947 | } | |
1948 | #if defined(OOB_INTR_ONLY) | |
1949 | /* Host registration for OOB interrupt */ | |
54ca2969 | 1950 | if (brcmf_sdio_register_oob_intr(dhdp)) { |
cf2b4488 | 1951 | del_timer_sync(&dhd->timer); |
0965ae88 | 1952 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
1953 | DHD_ERROR(("%s Host failed to resgister for OOB\n", __func__)); |
1954 | return -ENODEV; | |
1955 | } | |
1956 | ||
1957 | /* Enable oob at firmware */ | |
54ca2969 | 1958 | brcmf_sdbrcm_enable_oob_intr(dhd->pub.bus, true); |
cf2b4488 HP |
1959 | #endif /* defined(OOB_INTR_ONLY) */ |
1960 | ||
1961 | /* If bus is not ready, can't come up */ | |
1962 | if (dhd->pub.busstate != DHD_BUS_DATA) { | |
1963 | del_timer_sync(&dhd->timer); | |
0965ae88 | 1964 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
1965 | DHD_ERROR(("%s failed bus is not ready\n", __func__)); |
1966 | return -ENODEV; | |
1967 | } | |
248dcbb0 | 1968 | |
67ad48bc RV |
1969 | brcmu_mkiovar("event_msgs", dhdp->eventmask, WL_EVENTING_MASK_LEN, |
1970 | iovbuf, sizeof(iovbuf)); | |
0aa94b84 AS |
1971 | brcmf_proto_cdc_query_ioctl(dhdp, 0, BRCMF_C_GET_VAR, iovbuf, |
1972 | sizeof(iovbuf)); | |
02160695 | 1973 | memcpy(dhdp->eventmask, iovbuf, WL_EVENTING_MASK_LEN); |
cf2b4488 | 1974 | |
05dc0f43 AS |
1975 | setbit(dhdp->eventmask, BRCMF_E_SET_SSID); |
1976 | setbit(dhdp->eventmask, BRCMF_E_PRUNE); | |
1977 | setbit(dhdp->eventmask, BRCMF_E_AUTH); | |
1978 | setbit(dhdp->eventmask, BRCMF_E_REASSOC); | |
1979 | setbit(dhdp->eventmask, BRCMF_E_REASSOC_IND); | |
1980 | setbit(dhdp->eventmask, BRCMF_E_DEAUTH_IND); | |
1981 | setbit(dhdp->eventmask, BRCMF_E_DISASSOC_IND); | |
1982 | setbit(dhdp->eventmask, BRCMF_E_DISASSOC); | |
1983 | setbit(dhdp->eventmask, BRCMF_E_JOIN); | |
1984 | setbit(dhdp->eventmask, BRCMF_E_ASSOC_IND); | |
1985 | setbit(dhdp->eventmask, BRCMF_E_PSK_SUP); | |
1986 | setbit(dhdp->eventmask, BRCMF_E_LINK); | |
1987 | setbit(dhdp->eventmask, BRCMF_E_NDIS_LINK); | |
1988 | setbit(dhdp->eventmask, BRCMF_E_MIC_ERROR); | |
1989 | setbit(dhdp->eventmask, BRCMF_E_PMKID_CACHE); | |
1990 | setbit(dhdp->eventmask, BRCMF_E_TXFAIL); | |
1991 | setbit(dhdp->eventmask, BRCMF_E_JOIN_START); | |
1992 | setbit(dhdp->eventmask, BRCMF_E_SCAN_COMPLETE); | |
cf2b4488 | 1993 | #ifdef PNO_SUPPORT |
05dc0f43 | 1994 | setbit(dhdp->eventmask, BRCMF_E_PFN_NET_FOUND); |
cf2b4488 HP |
1995 | #endif /* PNO_SUPPORT */ |
1996 | ||
1997 | /* enable dongle roaming event */ | |
1998 | ||
1999 | dhdp->pktfilter_count = 1; | |
2000 | /* Setup filter to allow only unicast */ | |
2001 | dhdp->pktfilter[0] = "100 0 0 0 0x01 0x00"; | |
cf2b4488 HP |
2002 | |
2003 | /* Bus is ready, do any protocol initialization */ | |
0aa94b84 | 2004 | ret = brcmf_proto_init(&dhd->pub); |
a618cc28 | 2005 | if (ret < 0) |
cf2b4488 HP |
2006 | return ret; |
2007 | ||
2008 | return 0; | |
2009 | } | |
2010 | ||
db62efcc AS |
2011 | int brcmf_iovar(dhd_pub_t *pub, int ifidx, char *name, char *cmd_buf, |
2012 | uint cmd_len, int set) | |
cf2b4488 HP |
2013 | { |
2014 | char buf[strlen(name) + 1 + cmd_len]; | |
2015 | int len = sizeof(buf); | |
2016 | wl_ioctl_t ioc; | |
2017 | int ret; | |
2018 | ||
67ad48bc | 2019 | len = brcmu_mkiovar(name, cmd_buf, cmd_len, buf, len); |
cf2b4488 HP |
2020 | |
2021 | memset(&ioc, 0, sizeof(ioc)); | |
2022 | ||
366bbb3f | 2023 | ioc.cmd = set ? BRCMF_C_SET_VAR : BRCMF_C_GET_VAR; |
cf2b4488 HP |
2024 | ioc.buf = buf; |
2025 | ioc.len = len; | |
2026 | ioc.set = set; | |
2027 | ||
0aa94b84 | 2028 | ret = brcmf_proto_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len); |
cf2b4488 HP |
2029 | if (!set && ret >= 0) |
2030 | memcpy(cmd_buf, buf, cmd_len); | |
2031 | ||
2032 | return ret; | |
2033 | } | |
2034 | ||
8d825a8e | 2035 | static struct net_device_ops brcmf_netdev_ops_pri = { |
fc2860a9 AS |
2036 | .ndo_open = brcmf_netdev_open, |
2037 | .ndo_stop = brcmf_netdev_stop, | |
2038 | .ndo_get_stats = brcmf_netdev_get_stats, | |
2039 | .ndo_do_ioctl = brcmf_netdev_ioctl_entry, | |
2040 | .ndo_start_xmit = brcmf_netdev_start_xmit, | |
2041 | .ndo_set_mac_address = brcmf_netdev_set_mac_address, | |
2042 | .ndo_set_multicast_list = brcmf_netdev_set_multicast_list | |
cf2b4488 HP |
2043 | }; |
2044 | ||
a84bac46 | 2045 | int brcmf_net_attach(dhd_pub_t *dhdp, int ifidx) |
cf2b4488 HP |
2046 | { |
2047 | dhd_info_t *dhd = (dhd_info_t *) dhdp->info; | |
2048 | struct net_device *net; | |
b8d63078 | 2049 | u8 temp_addr[ETH_ALEN] = { |
cf2b4488 HP |
2050 | 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33}; |
2051 | ||
2052 | DHD_TRACE(("%s: ifidx %d\n", __func__, ifidx)); | |
2053 | ||
2054 | ASSERT(dhd && dhd->iflist[ifidx]); | |
2055 | ||
2056 | net = dhd->iflist[ifidx]->net; | |
2057 | ASSERT(net); | |
2058 | ||
2059 | ASSERT(!net->netdev_ops); | |
8d825a8e | 2060 | net->netdev_ops = &brcmf_netdev_ops_pri; |
cf2b4488 HP |
2061 | |
2062 | /* | |
2063 | * We have to use the primary MAC for virtual interfaces | |
2064 | */ | |
2065 | if (ifidx != 0) { | |
2066 | /* for virtual interfaces use the primary MAC */ | |
a44d4236 | 2067 | memcpy(temp_addr, dhd->pub.mac, ETH_ALEN); |
cf2b4488 HP |
2068 | |
2069 | } | |
2070 | ||
2071 | if (ifidx == 1) { | |
e131d3ce | 2072 | DHD_TRACE(("%s ACCESS POINT MAC:\n", __func__)); |
cf2b4488 HP |
2073 | /* ACCESSPOINT INTERFACE CASE */ |
2074 | temp_addr[0] |= 0X02; /* set bit 2 , | |
2075 | - Locally Administered address */ | |
2076 | ||
2077 | } | |
2078 | net->hard_header_len = ETH_HLEN + dhd->pub.hdrlen; | |
fc2860a9 | 2079 | net->ethtool_ops = &brcmf_ethtool_ops; |
cf2b4488 | 2080 | |
cf2b4488 HP |
2081 | dhd->pub.rxsz = net->mtu + net->hard_header_len + dhd->pub.hdrlen; |
2082 | ||
b8d63078 | 2083 | memcpy(net->dev_addr, temp_addr, ETH_ALEN); |
cf2b4488 HP |
2084 | |
2085 | if (register_netdev(net) != 0) { | |
2086 | DHD_ERROR(("%s: couldn't register the net device\n", | |
2087 | __func__)); | |
2088 | goto fail; | |
2089 | } | |
2090 | ||
0bef7748 | 2091 | DHD_INFO(("%s: Broadcom Dongle Host Driver\n", net->name)); |
cf2b4488 HP |
2092 | |
2093 | return 0; | |
2094 | ||
2095 | fail: | |
2096 | net->netdev_ops = NULL; | |
b74ac12e | 2097 | return -EBADE; |
cf2b4488 HP |
2098 | } |
2099 | ||
db62efcc | 2100 | static void brcmf_bus_detach(dhd_pub_t *dhdp) |
cf2b4488 HP |
2101 | { |
2102 | dhd_info_t *dhd; | |
2103 | ||
2104 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2105 | ||
2106 | if (dhdp) { | |
2107 | dhd = (dhd_info_t *) dhdp->info; | |
2108 | if (dhd) { | |
2109 | /* Stop the protocol module */ | |
0aa94b84 | 2110 | brcmf_proto_stop(&dhd->pub); |
cf2b4488 HP |
2111 | |
2112 | /* Stop the bus module */ | |
54ca2969 | 2113 | brcmf_sdbrcm_bus_stop(dhd->pub.bus, true); |
cf2b4488 | 2114 | #if defined(OOB_INTR_ONLY) |
54ca2969 | 2115 | brcmf_sdio_unregister_oob_intr(); |
cf2b4488 HP |
2116 | #endif /* defined(OOB_INTR_ONLY) */ |
2117 | ||
2118 | /* Clear the watchdog timer */ | |
2119 | del_timer_sync(&dhd->timer); | |
0965ae88 | 2120 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2121 | } |
2122 | } | |
2123 | } | |
2124 | ||
a84bac46 | 2125 | void brcmf_detach(dhd_pub_t *dhdp) |
cf2b4488 HP |
2126 | { |
2127 | dhd_info_t *dhd; | |
2128 | ||
2129 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2130 | ||
2131 | if (dhdp) { | |
2132 | dhd = (dhd_info_t *) dhdp->info; | |
2133 | if (dhd) { | |
2134 | dhd_if_t *ifp; | |
2135 | int i; | |
2136 | ||
2137 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
2138 | if (dhd->early_suspend.suspend) | |
2139 | unregister_early_suspend(&dhd->early_suspend); | |
2140 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
2141 | ||
2142 | for (i = 1; i < DHD_MAX_IFS; i++) | |
2143 | if (dhd->iflist[i]) | |
a84bac46 | 2144 | brcmf_del_if(dhd, i); |
cf2b4488 HP |
2145 | |
2146 | ifp = dhd->iflist[0]; | |
2147 | ASSERT(ifp); | |
8d825a8e | 2148 | if (ifp->net->netdev_ops == &brcmf_netdev_ops_pri) { |
fc2860a9 | 2149 | brcmf_netdev_stop(ifp->net); |
cf2b4488 HP |
2150 | unregister_netdev(ifp->net); |
2151 | } | |
2152 | ||
860708d9 | 2153 | if (dhd->watchdog_tsk) { |
7356f429 | 2154 | send_sig(SIGTERM, dhd->watchdog_tsk, 1); |
860708d9 JC |
2155 | kthread_stop(dhd->watchdog_tsk); |
2156 | dhd->watchdog_tsk = NULL; | |
cf2b4488 HP |
2157 | } |
2158 | ||
ecd7559d | 2159 | if (dhd->dpc_tsk) { |
7356f429 | 2160 | send_sig(SIGTERM, dhd->dpc_tsk, 1); |
ecd7559d JC |
2161 | kthread_stop(dhd->dpc_tsk); |
2162 | dhd->dpc_tsk = NULL; | |
eeb8e46b | 2163 | } else |
cf2b4488 HP |
2164 | tasklet_kill(&dhd->tasklet); |
2165 | ||
d809dcb9 | 2166 | if (dhd->sysioc_tsk) { |
7356f429 | 2167 | send_sig(SIGTERM, dhd->sysioc_tsk, 1); |
d809dcb9 JC |
2168 | kthread_stop(dhd->sysioc_tsk); |
2169 | dhd->sysioc_tsk = NULL; | |
cf2b4488 HP |
2170 | } |
2171 | ||
db62efcc | 2172 | brcmf_bus_detach(dhdp); |
cf2b4488 HP |
2173 | |
2174 | if (dhdp->prot) | |
0aa94b84 | 2175 | brcmf_proto_detach(dhdp); |
cf2b4488 | 2176 | |
f10c5b0b | 2177 | wl_cfg80211_detach(); |
cf2b4488 | 2178 | |
cf2b4488 | 2179 | /* && defined(DHD_GPL) */ |
cf2b4488 | 2180 | free_netdev(ifp->net); |
182acb3c | 2181 | kfree(ifp); |
2182 | kfree(dhd); | |
cf2b4488 HP |
2183 | } |
2184 | } | |
2185 | } | |
2186 | ||
db62efcc | 2187 | static void __exit brcmf_module_cleanup(void) |
cf2b4488 HP |
2188 | { |
2189 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2190 | ||
2191 | dhd_bus_unregister(); | |
2192 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2193 | wifi_del_dev(); | |
2194 | #endif | |
2195 | /* Call customer gpio to turn off power with WL_REG_ON signal */ | |
a84bac46 | 2196 | brcmf_customer_gpio_wlan_ctrl(WLAN_POWER_OFF); |
cf2b4488 HP |
2197 | } |
2198 | ||
db62efcc | 2199 | static int __init brcmf_module_init(void) |
cf2b4488 HP |
2200 | { |
2201 | int error; | |
2202 | ||
2203 | DHD_TRACE(("%s: Enter\n", __func__)); | |
2204 | ||
2205 | /* Sanity check on the module parameters */ | |
2206 | do { | |
2207 | /* Both watchdog and DPC as tasklets are ok */ | |
7af9d0ca | 2208 | if ((brcmf_watchdog_prio < 0) && (brcmf_dpc_prio < 0)) |
cf2b4488 HP |
2209 | break; |
2210 | ||
2211 | /* If both watchdog and DPC are threads, TX must be deferred */ | |
7af9d0ca AS |
2212 | if ((brcmf_watchdog_prio >= 0) && (brcmf_dpc_prio >= 0) |
2213 | && brcmf_deferred_tx) | |
cf2b4488 HP |
2214 | break; |
2215 | ||
2216 | DHD_ERROR(("Invalid module parameters.\n")); | |
2217 | return -EINVAL; | |
2218 | } while (0); | |
2219 | /* Call customer gpio to turn on power with WL_REG_ON signal */ | |
a84bac46 | 2220 | brcmf_customer_gpio_wlan_ctrl(WLAN_POWER_ON); |
cf2b4488 HP |
2221 | |
2222 | #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) | |
2223 | sema_init(&wifi_control_sem, 0); | |
2224 | ||
2225 | error = wifi_add_dev(); | |
2226 | if (error) { | |
2227 | DHD_ERROR(("%s: platform_driver_register failed\n", __func__)); | |
f0c0dda0 | 2228 | goto failed; |
cf2b4488 HP |
2229 | } |
2230 | ||
2231 | /* Waiting callback after platform_driver_register is done or | |
2232 | exit with error */ | |
2233 | if (down_timeout(&wifi_control_sem, msecs_to_jiffies(1000)) != 0) { | |
2234 | printk(KERN_ERR "%s: platform_driver_register timeout\n", | |
2235 | __func__); | |
2236 | /* remove device */ | |
2237 | wifi_del_dev(); | |
f0c0dda0 | 2238 | goto failed; |
cf2b4488 HP |
2239 | } |
2240 | #endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ | |
2241 | ||
2242 | error = dhd_bus_register(); | |
2243 | ||
49ba9d2d | 2244 | if (error) { |
54ca2969 | 2245 | DHD_ERROR(("%s: dhd_bus_register failed\n", __func__)); |
f0c0dda0 | 2246 | goto failed; |
cf2b4488 HP |
2247 | } |
2248 | return error; | |
2249 | ||
f0c0dda0 | 2250 | failed: |
cf2b4488 | 2251 | /* turn off power and exit */ |
a84bac46 | 2252 | brcmf_customer_gpio_wlan_ctrl(WLAN_POWER_OFF); |
cf2b4488 HP |
2253 | return -EINVAL; |
2254 | } | |
2255 | ||
db62efcc AS |
2256 | module_init(brcmf_module_init); |
2257 | module_exit(brcmf_module_cleanup); | |
cf2b4488 HP |
2258 | |
2259 | /* | |
2260 | * OS specific functions required to implement DHD driver in OS independent way | |
2261 | */ | |
a84bac46 | 2262 | int brcmf_os_proto_block(dhd_pub_t *pub) |
cf2b4488 HP |
2263 | { |
2264 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2265 | ||
2266 | if (dhd) { | |
2267 | down(&dhd->proto_sem); | |
2268 | return 1; | |
2269 | } | |
2270 | return 0; | |
2271 | } | |
2272 | ||
a84bac46 | 2273 | int brcmf_os_proto_unblock(dhd_pub_t *pub) |
cf2b4488 HP |
2274 | { |
2275 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2276 | ||
2277 | if (dhd) { | |
2278 | up(&dhd->proto_sem); | |
2279 | return 1; | |
2280 | } | |
2281 | ||
2282 | return 0; | |
2283 | } | |
2284 | ||
a84bac46 | 2285 | unsigned int brcmf_os_get_ioctl_resp_timeout(void) |
cf2b4488 | 2286 | { |
7af9d0ca | 2287 | return (unsigned int)brcmf_ioctl_timeout_msec; |
cf2b4488 HP |
2288 | } |
2289 | ||
a84bac46 | 2290 | void brcmf_os_set_ioctl_resp_timeout(unsigned int timeout_msec) |
cf2b4488 | 2291 | { |
7af9d0ca | 2292 | brcmf_ioctl_timeout_msec = (int)timeout_msec; |
cf2b4488 HP |
2293 | } |
2294 | ||
a84bac46 | 2295 | int brcmf_os_ioctl_resp_wait(dhd_pub_t *pub, uint *condition, bool *pending) |
cf2b4488 HP |
2296 | { |
2297 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2298 | DECLARE_WAITQUEUE(wait, current); | |
7af9d0ca | 2299 | int timeout = brcmf_ioctl_timeout_msec; |
cf2b4488 HP |
2300 | |
2301 | /* Convert timeout in millsecond to jiffies */ | |
2302 | timeout = timeout * HZ / 1000; | |
2303 | ||
2304 | /* Wait until control frame is available */ | |
2305 | add_wait_queue(&dhd->ioctl_resp_wait, &wait); | |
2306 | set_current_state(TASK_INTERRUPTIBLE); | |
2307 | ||
2308 | while (!(*condition) && (!signal_pending(current) && timeout)) | |
2309 | timeout = schedule_timeout(timeout); | |
2310 | ||
2311 | if (signal_pending(current)) | |
0f0881b0 | 2312 | *pending = true; |
cf2b4488 HP |
2313 | |
2314 | set_current_state(TASK_RUNNING); | |
2315 | remove_wait_queue(&dhd->ioctl_resp_wait, &wait); | |
2316 | ||
2317 | return timeout; | |
2318 | } | |
2319 | ||
a84bac46 | 2320 | int brcmf_os_ioctl_resp_wake(dhd_pub_t *pub) |
cf2b4488 HP |
2321 | { |
2322 | dhd_info_t *dhd = (dhd_info_t *) (pub->info); | |
2323 | ||
2324 | if (waitqueue_active(&dhd->ioctl_resp_wait)) | |
2325 | wake_up_interruptible(&dhd->ioctl_resp_wait); | |
2326 | ||
2327 | return 0; | |
2328 | } | |
2329 | ||
a84bac46 | 2330 | void brcmf_os_wd_timer(void *bus, uint wdtick) |
cf2b4488 HP |
2331 | { |
2332 | dhd_pub_t *pub = bus; | |
5f782dee | 2333 | static uint save_dhd_watchdog_ms; |
cf2b4488 HP |
2334 | dhd_info_t *dhd = (dhd_info_t *) pub->info; |
2335 | ||
2336 | /* don't start the wd until fw is loaded */ | |
2337 | if (pub->busstate == DHD_BUS_DOWN) | |
2338 | return; | |
2339 | ||
2340 | /* Totally stop the timer */ | |
0f0881b0 | 2341 | if (!wdtick && dhd->wd_timer_valid == true) { |
cf2b4488 | 2342 | del_timer_sync(&dhd->timer); |
0965ae88 | 2343 | dhd->wd_timer_valid = false; |
cf2b4488 HP |
2344 | save_dhd_watchdog_ms = wdtick; |
2345 | return; | |
2346 | } | |
2347 | ||
2348 | if (wdtick) { | |
5e92aa8c | 2349 | brcmf_watchdog_ms = (uint) wdtick; |
cf2b4488 | 2350 | |
5e92aa8c | 2351 | if (save_dhd_watchdog_ms != brcmf_watchdog_ms) { |
cf2b4488 | 2352 | |
0f0881b0 | 2353 | if (dhd->wd_timer_valid == true) |
cf2b4488 HP |
2354 | /* Stop timer and restart at new value */ |
2355 | del_timer_sync(&dhd->timer); | |
2356 | ||
2357 | /* Create timer again when watchdog period is | |
2358 | dynamically changed or in the first instance | |
2359 | */ | |
2360 | dhd->timer.expires = | |
5e92aa8c | 2361 | jiffies + brcmf_watchdog_ms * HZ / 1000; |
cf2b4488 HP |
2362 | add_timer(&dhd->timer); |
2363 | ||
2364 | } else { | |
2365 | /* Re arm the timer, at last watchdog period */ | |
2366 | mod_timer(&dhd->timer, | |
5e92aa8c | 2367 | jiffies + brcmf_watchdog_ms * HZ / 1000); |
cf2b4488 HP |
2368 | } |
2369 | ||
0f0881b0 | 2370 | dhd->wd_timer_valid = true; |
cf2b4488 HP |
2371 | save_dhd_watchdog_ms = wdtick; |
2372 | } | |
2373 | } | |
2374 | ||
a84bac46 | 2375 | void *brcmf_os_open_image(char *filename) |
cf2b4488 HP |
2376 | { |
2377 | struct file *fp; | |
2378 | ||
7af9d0ca | 2379 | if (!brcmf_no_fw_req) |
cf2b4488 | 2380 | return wl_cfg80211_request_fw(filename); |
cf2b4488 HP |
2381 | |
2382 | fp = filp_open(filename, O_RDONLY, 0); | |
2383 | /* | |
2384 | * 2.6.11 (FC4) supports filp_open() but later revs don't? | |
2385 | * Alternative: | |
2386 | * fp = open_namei(AT_FDCWD, filename, O_RD, 0); | |
2387 | * ??? | |
2388 | */ | |
2389 | if (IS_ERR(fp)) | |
2390 | fp = NULL; | |
2391 | ||
2392 | return fp; | |
2393 | } | |
2394 | ||
a84bac46 | 2395 | int brcmf_os_get_image_block(char *buf, int len, void *image) |
cf2b4488 HP |
2396 | { |
2397 | struct file *fp = (struct file *)image; | |
2398 | int rdlen; | |
2399 | ||
7af9d0ca | 2400 | if (!brcmf_no_fw_req) |
cf2b4488 | 2401 | return wl_cfg80211_read_fw(buf, len); |
cf2b4488 HP |
2402 | |
2403 | if (!image) | |
2404 | return 0; | |
2405 | ||
2406 | rdlen = kernel_read(fp, fp->f_pos, buf, len); | |
2407 | if (rdlen > 0) | |
2408 | fp->f_pos += rdlen; | |
2409 | ||
2410 | return rdlen; | |
2411 | } | |
2412 | ||
a84bac46 | 2413 | void brcmf_os_close_image(void *image) |
cf2b4488 | 2414 | { |
7af9d0ca | 2415 | if (!brcmf_no_fw_req) |
cf2b4488 | 2416 | return wl_cfg80211_release_fw(); |
cf2b4488 HP |
2417 | if (image) |
2418 | filp_close((struct file *)image, NULL); | |
2419 | } | |
2420 | ||
a84bac46 | 2421 | void brcmf_os_sdlock(dhd_pub_t *pub) |
cf2b4488 HP |
2422 | { |
2423 | dhd_info_t *dhd; | |
2424 | ||
2425 | dhd = (dhd_info_t *) (pub->info); | |
2426 | ||
2427 | if (dhd->threads_only) | |
2428 | down(&dhd->sdsem); | |
2429 | else | |
2430 | spin_lock_bh(&dhd->sdlock); | |
2431 | } | |
2432 | ||
a84bac46 | 2433 | void brcmf_os_sdunlock(dhd_pub_t *pub) |
cf2b4488 HP |
2434 | { |
2435 | dhd_info_t *dhd; | |
2436 | ||
2437 | dhd = (dhd_info_t *) (pub->info); | |
2438 | ||
2439 | if (dhd->threads_only) | |
2440 | up(&dhd->sdsem); | |
2441 | else | |
2442 | spin_unlock_bh(&dhd->sdlock); | |
2443 | } | |
2444 | ||
db62efcc AS |
2445 | static int brcmf_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata, |
2446 | brcmf_event_msg_t *event, void **data) | |
cf2b4488 HP |
2447 | { |
2448 | int bcmerror = 0; | |
2449 | ||
2450 | ASSERT(dhd != NULL); | |
2451 | ||
aba5e0ad | 2452 | bcmerror = brcmf_c_host_event(dhd, ifidx, pktdata, event, data); |
a1c5ad81 | 2453 | if (bcmerror != 0) |
cf2b4488 HP |
2454 | return bcmerror; |
2455 | ||
f10c5b0b AS |
2456 | ASSERT(dhd->iflist[*ifidx] != NULL); |
2457 | ASSERT(dhd->iflist[*ifidx]->net != NULL); | |
2458 | if (dhd->iflist[*ifidx]->net) | |
2459 | wl_cfg80211_event(dhd->iflist[*ifidx]->net, event, *data); | |
cf2b4488 HP |
2460 | |
2461 | return bcmerror; | |
2462 | } | |
2463 | ||
a84bac46 | 2464 | void brcmf_wait_for_event(dhd_pub_t *dhd, bool *lockvar) |
cf2b4488 HP |
2465 | { |
2466 | struct dhd_info *dhdinfo = dhd->info; | |
a84bac46 | 2467 | brcmf_os_sdunlock(dhd); |
cf2b4488 | 2468 | wait_event_interruptible_timeout(dhdinfo->ctrl_wait, |
0965ae88 | 2469 | (*lockvar == false), HZ * 2); |
a84bac46 | 2470 | brcmf_os_sdlock(dhd); |
cf2b4488 HP |
2471 | return; |
2472 | } | |
2473 | ||
a84bac46 | 2474 | void brcmf_wait_event_wakeup(dhd_pub_t *dhd) |
cf2b4488 HP |
2475 | { |
2476 | struct dhd_info *dhdinfo = dhd->info; | |
2477 | if (waitqueue_active(&dhdinfo->ctrl_wait)) | |
2478 | wake_up_interruptible(&dhdinfo->ctrl_wait); | |
2479 | return; | |
2480 | } | |
2481 | ||
fc2860a9 | 2482 | int brcmf_netdev_reset(struct net_device *dev, u8 flag) |
cf2b4488 HP |
2483 | { |
2484 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2485 | ||
2486 | /* Turning off watchdog */ | |
2487 | if (flag) | |
a84bac46 | 2488 | brcmf_os_wd_timer(&dhd->pub, 0); |
cf2b4488 | 2489 | |
a84bac46 | 2490 | brcmf_bus_devreset(&dhd->pub, flag); |
cf2b4488 HP |
2491 | |
2492 | /* Turning on watchdog back */ | |
2493 | if (!flag) | |
a84bac46 | 2494 | brcmf_os_wd_timer(&dhd->pub, brcmf_watchdog_ms); |
cf2b4488 HP |
2495 | DHD_ERROR(("%s: WLAN OFF DONE\n", __func__)); |
2496 | ||
2497 | return 1; | |
2498 | } | |
2499 | ||
fc2860a9 | 2500 | int brcmf_netdev_set_suspend_disable(struct net_device *dev, int val) |
cf2b4488 HP |
2501 | { |
2502 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2503 | int ret = 0; | |
2504 | ||
2505 | if (dhd) { | |
2506 | ret = dhd->pub.suspend_disable_flag; | |
2507 | dhd->pub.suspend_disable_flag = val; | |
2508 | } | |
2509 | return ret; | |
2510 | } | |
2511 | ||
fc2860a9 | 2512 | int brcmf_netdev_set_suspend(struct net_device *dev, int val) |
cf2b4488 HP |
2513 | { |
2514 | int ret = 0; | |
2515 | #if defined(CONFIG_HAS_EARLYSUSPEND) | |
2516 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2517 | ||
2518 | if (dhd) { | |
a84bac46 | 2519 | brcmf_os_proto_block(&dhd->pub); |
db62efcc | 2520 | ret = brcmf_set_suspend(val, &dhd->pub); |
a84bac46 | 2521 | brcmf_os_proto_unblock(&dhd->pub); |
cf2b4488 HP |
2522 | } |
2523 | #endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ | |
2524 | return ret; | |
2525 | } | |
2526 | ||
fc2860a9 | 2527 | int brcmf_netdev_set_dtim_skip(struct net_device *dev, int val) |
cf2b4488 HP |
2528 | { |
2529 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
2530 | ||
2531 | if (dhd) | |
2532 | dhd->pub.dtim_skip = val; | |
2533 | ||
2534 | return 0; | |
2535 | } | |
2536 | ||
fc2860a9 | 2537 | int brcmf_netdev_set_packet_filter(struct net_device *dev, int val) |
cf2b4488 HP |
2538 | { |
2539 | dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev); | |
2540 | int ret = 0; | |
2541 | ||
2542 | /* Packet filtering is set only if we still in early-suspend and | |
2543 | * we need either to turn it ON or turn it OFF | |
2544 | * We can always turn it OFF in case of early-suspend, but we turn it | |
2545 | * back ON only if suspend_disable_flag was not set | |
2546 | */ | |
2547 | if (dhd && dhd->pub.up) { | |
a84bac46 | 2548 | brcmf_os_proto_block(&dhd->pub); |
cf2b4488 HP |
2549 | if (dhd->pub.in_suspend) { |
2550 | if (!val || (val && !dhd->pub.suspend_disable_flag)) | |
db62efcc | 2551 | brcmf_set_packet_filter(val, &dhd->pub); |
cf2b4488 | 2552 | } |
a84bac46 | 2553 | brcmf_os_proto_unblock(&dhd->pub); |
cf2b4488 HP |
2554 | } |
2555 | return ret; | |
2556 | } | |
2557 | ||
fc2860a9 | 2558 | void brcmf_netdev_init_ioctl(struct net_device *dev) |
cf2b4488 HP |
2559 | { |
2560 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2561 | ||
aba5e0ad | 2562 | brcmf_c_preinit_ioctls(&dhd->pub); |
cf2b4488 HP |
2563 | } |
2564 | ||
2565 | #ifdef PNO_SUPPORT | |
2566 | /* Linux wrapper to call common dhd_pno_clean */ | |
fc2860a9 | 2567 | int brcmf_netdev_pno_reset(struct net_device *dev) |
cf2b4488 HP |
2568 | { |
2569 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2570 | ||
2571 | return dhd_pno_clean(&dhd->pub); | |
2572 | } | |
2573 | ||
2574 | /* Linux wrapper to call common dhd_pno_enable */ | |
fc2860a9 | 2575 | int brcmf_netdev_pno_enable(struct net_device *dev, int pfn_enabled) |
cf2b4488 HP |
2576 | { |
2577 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2578 | ||
2579 | return dhd_pno_enable(&dhd->pub, pfn_enabled); | |
2580 | } | |
2581 | ||
2582 | /* Linux wrapper to call common dhd_pno_set */ | |
2583 | int | |
fc2860a9 | 2584 | brcmf_netdev_pno_set(struct net_device *dev, wlc_ssid_t *ssids_local, int nssid, |
580a0bd9 | 2585 | unsigned char scan_fr) |
cf2b4488 HP |
2586 | { |
2587 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2588 | ||
2589 | return dhd_pno_set(&dhd->pub, ssids_local, nssid, scan_fr); | |
2590 | } | |
2591 | ||
2592 | /* Linux wrapper to get pno status */ | |
fc2860a9 | 2593 | int brcmf_netdev_get_pno_status(struct net_device *dev) |
cf2b4488 HP |
2594 | { |
2595 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2596 | ||
2597 | return dhd_pno_get_status(&dhd->pub); | |
2598 | } | |
2599 | ||
2600 | #endif /* PNO_SUPPORT */ | |
2601 | ||
db62efcc | 2602 | static int brcmf_get_pend_8021x_cnt(dhd_info_t *dhd) |
cf2b4488 HP |
2603 | { |
2604 | return atomic_read(&dhd->pend_8021x_cnt); | |
2605 | } | |
2606 | ||
2607 | #define MAX_WAIT_FOR_8021X_TX 10 | |
2608 | ||
fc2860a9 | 2609 | int brcmf_netdev_wait_pend8021x(struct net_device *dev) |
cf2b4488 HP |
2610 | { |
2611 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); | |
2612 | int timeout = 10 * HZ / 1000; | |
2613 | int ntimes = MAX_WAIT_FOR_8021X_TX; | |
db62efcc | 2614 | int pend = brcmf_get_pend_8021x_cnt(dhd); |
cf2b4488 HP |
2615 | |
2616 | while (ntimes && pend) { | |
2617 | if (pend) { | |
2618 | set_current_state(TASK_INTERRUPTIBLE); | |
2619 | schedule_timeout(timeout); | |
2620 | set_current_state(TASK_RUNNING); | |
2621 | ntimes--; | |
2622 | } | |
db62efcc | 2623 | pend = brcmf_get_pend_8021x_cnt(dhd); |
cf2b4488 HP |
2624 | } |
2625 | return pend; | |
2626 | } | |
2627 | ||
fc2860a9 | 2628 | void brcmf_netdev_os_wd_timer(struct net_device *ndev, uint wdtick) |
e6e8f894 SS |
2629 | { |
2630 | dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(ndev); | |
2631 | ||
a84bac46 | 2632 | brcmf_os_wd_timer(&dhd->pub, wdtick); |
e6e8f894 SS |
2633 | } |
2634 | ||
762c2a36 | 2635 | #ifdef BCMDBG |
a84bac46 | 2636 | int brcmf_write_to_file(dhd_pub_t *dhd, u8 *buf, int size) |
cf2b4488 HP |
2637 | { |
2638 | int ret = 0; | |
2639 | struct file *fp; | |
2640 | mm_segment_t old_fs; | |
2641 | loff_t pos = 0; | |
2642 | ||
2643 | /* change to KERNEL_DS address limit */ | |
2644 | old_fs = get_fs(); | |
2645 | set_fs(KERNEL_DS); | |
2646 | ||
2647 | /* open file to write */ | |
2648 | fp = filp_open("/tmp/mem_dump", O_WRONLY | O_CREAT, 0640); | |
2649 | if (!fp) { | |
0bef7748 | 2650 | DHD_ERROR(("%s: open file error\n", __func__)); |
cf2b4488 HP |
2651 | ret = -1; |
2652 | goto exit; | |
2653 | } | |
2654 | ||
2655 | /* Write buf to file */ | |
2656 | fp->f_op->write(fp, buf, size, &pos); | |
2657 | ||
2658 | exit: | |
2659 | /* free buf before return */ | |
182acb3c | 2660 | kfree(buf); |
cf2b4488 HP |
2661 | /* close file before return */ |
2662 | if (fp) | |
2663 | filp_close(fp, current->files); | |
2664 | /* restore previous address limit */ | |
2665 | set_fs(old_fs); | |
2666 | ||
2667 | return ret; | |
2668 | } | |
762c2a36 | 2669 | #endif /* BCMDBG */ |
47a6d2cd AS |
2670 | |
2671 | #if defined(BCMDBG) | |
2672 | void osl_assert(char *exp, char *file, int line) | |
2673 | { | |
2674 | char tempbuf[256]; | |
2675 | char *basename; | |
2676 | ||
2677 | basename = strrchr(file, '/'); | |
2678 | /* skip the '/' */ | |
2679 | if (basename) | |
2680 | basename++; | |
2681 | ||
2682 | if (!basename) | |
2683 | basename = file; | |
2684 | ||
2685 | snprintf(tempbuf, 256, | |
2686 | "assertion \"%s\" failed: file \"%s\", line %d\n", exp, | |
2687 | basename, line); | |
2688 | ||
2689 | /* | |
2690 | * Print assert message and give it time to | |
2691 | * be written to /var/log/messages | |
2692 | */ | |
2693 | if (!in_interrupt()) { | |
2694 | const int delay = 3; | |
2695 | printk(KERN_ERR "%s", tempbuf); | |
2696 | printk(KERN_ERR "panic in %d seconds\n", delay); | |
2697 | set_current_state(TASK_INTERRUPTIBLE); | |
2698 | schedule_timeout(delay * HZ); | |
2699 | } | |
2700 | ||
2701 | switch (g_assert_type) { | |
2702 | case 0: | |
2703 | panic(KERN_ERR "%s", tempbuf); | |
2704 | break; | |
2705 | case 1: | |
2706 | printk(KERN_ERR "%s", tempbuf); | |
2707 | BUG(); | |
2708 | break; | |
2709 | case 2: | |
2710 | printk(KERN_ERR "%s", tempbuf); | |
2711 | break; | |
2712 | default: | |
2713 | break; | |
2714 | } | |
2715 | } | |
2716 | #endif /* defined(BCMDBG) */ |