Commit | Line | Data |
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a9533e7e 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 | #define __UNDEF_NO_VERSION__ | |
18 | ||
a9533e7e | 19 | #include <linux/kernel.h> |
a9533e7e | 20 | #include <linux/etherdevice.h> |
a9533e7e | 21 | #include <linux/string.h> |
a9533e7e | 22 | #include <linux/pci_ids.h> |
a1c16ed2 | 23 | #include <bcmdefs.h> |
c6ac24e9 BR |
24 | #include <linux/module.h> |
25 | #include <linux/pci.h> | |
26 | #include <linux/sched.h> | |
a1c16ed2 | 27 | #include <osl.h> |
a9533e7e HP |
28 | #define WLC_MAXBSSCFG 1 /* single BSS configs */ |
29 | ||
a9533e7e HP |
30 | #include <wlc_cfg.h> |
31 | #include <net/mac80211.h> | |
a9533e7e HP |
32 | #ifndef WLC_HIGH_ONLY |
33 | #include <phy_version.h> | |
34 | #endif | |
a9533e7e HP |
35 | #include <bcmutils.h> |
36 | #include <pcicfg.h> | |
37 | #include <wlioctl.h> | |
38 | #include <wlc_key.h> | |
a52ba66c BR |
39 | #include <sbhndpio.h> |
40 | #include <sbhnddma.h> | |
a9533e7e HP |
41 | #include <wlc_channel.h> |
42 | #include <wlc_pub.h> | |
43 | #include <wlc_scb.h> | |
44 | #include <wl_dbg.h> | |
45 | #ifdef BCMSDIO | |
46 | #include <bcmsdh.h> | |
47 | #endif | |
48 | #include <wl_export.h> | |
49 | #ifdef WLC_HIGH_ONLY | |
50 | #include "dbus.h" | |
51 | #include "bcm_rpc_tp.h" | |
52 | #include "bcm_rpc.h" | |
53 | #include "bcm_xdr.h" | |
54 | #include "wlc_rpc.h" | |
55 | #endif | |
56 | ||
57 | #include <wl_mac80211.h> | |
58 | #include <linux/firmware.h> | |
59 | #ifndef WLC_HIGH_ONLY | |
60 | #include <wl_ucode.h> | |
61 | #include <d11ucode_ext.h> | |
62 | #endif | |
63 | ||
64 | #ifdef BCMSDIO | |
65 | extern struct device *sdiommc_dev; | |
66 | #endif | |
67 | ||
7cc4a4c0 | 68 | extern void wlc_wme_setparams(wlc_info_t *wlc, u16 aci, void *arg, |
a9533e7e | 69 | bool suspend); |
7cc4a4c0 JC |
70 | bool wlc_sendpkt_mac80211(wlc_info_t *wlc, void *sdu, struct ieee80211_hw *hw); |
71 | void wlc_mac_bcn_promisc_change(wlc_info_t *wlc, bool promisc); | |
72 | void wlc_set_addrmatch(wlc_info_t *wlc, int match_reg_offset, | |
a9533e7e HP |
73 | const struct ether_addr *addr); |
74 | ||
3deea904 | 75 | static void wl_timer(unsigned long data); |
7cc4a4c0 | 76 | static void _wl_timer(wl_timer_t *t); |
a9533e7e | 77 | |
a9533e7e HP |
78 | #ifdef WLC_HIGH_ONLY |
79 | #define RPCQ_LOCK(_wl, _flags) spin_lock_irqsave(&(_wl)->rpcq_lock, (_flags)) | |
80 | #define RPCQ_UNLOCK(_wl, _flags) spin_unlock_irqrestore(&(_wl)->rpcq_lock, (_flags)) | |
81 | #define TXQ_LOCK(_wl, _flags) spin_lock_irqsave(&(_wl)->txq_lock, (_flags)) | |
82 | #define TXQ_UNLOCK(_wl, _flags) spin_unlock_irqrestore(&(_wl)->txq_lock, (_flags)) | |
83 | static void wl_rpc_down(void *wlh); | |
7cc4a4c0 | 84 | static void wl_rpcq_free(wl_info_t *wl); |
a9533e7e HP |
85 | static void wl_rpcq_dispatch(struct wl_task *task); |
86 | static void wl_rpc_dispatch_schedule(void *ctx, struct rpc_buf *buf); | |
87 | static void wl_start_txqwork(struct wl_task *task); | |
7cc4a4c0 JC |
88 | static void wl_txq_free(wl_info_t *wl); |
89 | static void wl_timer_task(wl_task_t *task); | |
90 | static int wl_schedule_task(wl_info_t *wl, void (*fn) (struct wl_task *), | |
a9533e7e HP |
91 | void *context); |
92 | #endif /* WLC_HIGH_ONLY */ | |
93 | ||
94 | static int ieee_hw_init(struct ieee80211_hw *hw); | |
95 | static int ieee_hw_rate_init(struct ieee80211_hw *hw); | |
96 | ||
97 | static int wl_linux_watchdog(void *ctx); | |
98 | ||
99 | /* Flags we support */ | |
100 | #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \ | |
101 | FIF_ALLMULTI | \ | |
102 | FIF_FCSFAIL | \ | |
103 | FIF_PLCPFAIL | \ | |
104 | FIF_CONTROL | \ | |
105 | FIF_OTHER_BSS | \ | |
106 | FIF_BCN_PRBRESP_PROMISC) | |
107 | ||
7e85c729 | 108 | static int wl_found; |
a9533e7e HP |
109 | |
110 | struct ieee80211_tkip_data { | |
111 | #define TKIP_KEY_LEN 32 | |
112 | u8 key[TKIP_KEY_LEN]; | |
113 | int key_set; | |
114 | ||
115 | u32 tx_iv32; | |
116 | u16 tx_iv16; | |
117 | u16 tx_ttak[5]; | |
118 | int tx_phase1_done; | |
119 | ||
120 | u32 rx_iv32; | |
121 | u16 rx_iv16; | |
122 | u16 rx_ttak[5]; | |
123 | int rx_phase1_done; | |
124 | u32 rx_iv32_new; | |
125 | u16 rx_iv16_new; | |
126 | ||
127 | u32 dot11RSNAStatsTKIPReplays; | |
128 | u32 dot11RSNAStatsTKIPICVErrors; | |
129 | u32 dot11RSNAStatsTKIPLocalMICFailures; | |
130 | ||
131 | int key_idx; | |
132 | ||
133 | struct crypto_tfm *tfm_arc4; | |
134 | struct crypto_tfm *tfm_michael; | |
135 | ||
136 | /* scratch buffers for virt_to_page() (crypto API) */ | |
137 | u8 rx_hdr[16], tx_hdr[16]; | |
138 | }; | |
139 | ||
140 | #ifndef WLC_HIGH_ONLY | |
1a3bf747 | 141 | #define WL_DEV_IF(dev) ((wl_if_t *)netdev_priv(dev)) |
39dcff3f | 142 | #define WL_INFO(dev) ((wl_info_t *)(WL_DEV_IF(dev)->wl)) /* points to wl */ |
7cc4a4c0 JC |
143 | static int wl_request_fw(wl_info_t *wl, struct pci_dev *pdev); |
144 | static void wl_release_fw(wl_info_t *wl); | |
a9533e7e HP |
145 | #endif |
146 | ||
147 | /* local prototypes */ | |
7cc4a4c0 JC |
148 | static int wl_start(struct sk_buff *skb, wl_info_t *wl); |
149 | static int wl_start_int(wl_info_t *wl, struct ieee80211_hw *hw, | |
a9533e7e | 150 | struct sk_buff *skb); |
3deea904 | 151 | static void wl_dpc(unsigned long data); |
a9533e7e HP |
152 | |
153 | MODULE_AUTHOR("Broadcom Corporation"); | |
154 | MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver."); | |
155 | MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards"); | |
156 | MODULE_LICENSE("Dual BSD/GPL"); | |
157 | ||
158 | #ifndef BCMSDIO | |
159 | /* recognized PCI IDs */ | |
160 | static struct pci_device_id wl_id_table[] = { | |
161 | {PCI_VENDOR_ID_BROADCOM, 0x4357, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43225 2G */ | |
162 | {PCI_VENDOR_ID_BROADCOM, 0x4353, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43224 DUAL */ | |
163 | {PCI_VENDOR_ID_BROADCOM, 0x4727, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 4313 DUAL */ | |
164 | {0} | |
165 | }; | |
166 | ||
167 | MODULE_DEVICE_TABLE(pci, wl_id_table); | |
6f0c5bcd | 168 | static void wl_remove(struct pci_dev *pdev); |
a9533e7e HP |
169 | #endif /* !BCMSDIO */ |
170 | ||
171 | #ifdef BCMSDIO | |
172 | static uint sd_drivestrength = 6; | |
173 | module_param(sd_drivestrength, uint, 0); | |
174 | #endif | |
175 | ||
176 | #ifdef BCMDBG | |
177 | static int msglevel = 0xdeadbeef; | |
178 | module_param(msglevel, int, 0); | |
179 | #ifndef WLC_HIGH_ONLY | |
180 | static int phymsglevel = 0xdeadbeef; | |
181 | module_param(phymsglevel, int, 0); | |
182 | #endif /* WLC_HIGH_ONLY */ | |
183 | #endif /* BCMDBG */ | |
184 | ||
7e85c729 | 185 | static int oneonly; |
a9533e7e HP |
186 | module_param(oneonly, int, 0); |
187 | ||
7e85c729 | 188 | static int piomode; |
a9533e7e HP |
189 | module_param(piomode, int, 0); |
190 | ||
7e85c729 | 191 | static int instance_base; /* Starting instance number */ |
a9533e7e HP |
192 | module_param(instance_base, int, 0); |
193 | ||
194 | #if defined(BCMDBG) | |
7e85c729 | 195 | static char *macaddr; |
a9533e7e HP |
196 | module_param(macaddr, charp, S_IRUGO); |
197 | #endif | |
198 | ||
199 | static int nompc = 1; | |
200 | module_param(nompc, int, 0); | |
201 | ||
202 | static char name[IFNAMSIZ] = "eth%d"; | |
203 | module_param_string(name, name, IFNAMSIZ, 0); | |
204 | ||
205 | #ifndef SRCBASE | |
206 | #define SRCBASE "." | |
207 | #endif | |
208 | ||
209 | #define WL_MAGIC 0xdeadbeef | |
210 | ||
0d706ef4 JC |
211 | #define HW_TO_WL(hw) (hw->priv) |
212 | #define WL_TO_HW(wl) (wl->pub->ieee_hw) | |
a9533e7e HP |
213 | #ifdef WLC_HIGH_ONLY |
214 | static int wl_ops_tx_nl(struct ieee80211_hw *hw, struct sk_buff *skb); | |
215 | #else | |
216 | static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb); | |
217 | #endif | |
218 | static int wl_ops_start(struct ieee80211_hw *hw); | |
219 | static void wl_ops_stop(struct ieee80211_hw *hw); | |
220 | static int wl_ops_add_interface(struct ieee80211_hw *hw, | |
221 | struct ieee80211_vif *vif); | |
222 | static void wl_ops_remove_interface(struct ieee80211_hw *hw, | |
223 | struct ieee80211_vif *vif); | |
224 | static int wl_ops_config(struct ieee80211_hw *hw, u32 changed); | |
225 | static void wl_ops_bss_info_changed(struct ieee80211_hw *hw, | |
226 | struct ieee80211_vif *vif, | |
227 | struct ieee80211_bss_conf *info, | |
228 | u32 changed); | |
229 | static void wl_ops_configure_filter(struct ieee80211_hw *hw, | |
230 | unsigned int changed_flags, | |
231 | unsigned int *total_flags, u64 multicast); | |
232 | static int wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, | |
233 | bool set); | |
234 | static void wl_ops_sw_scan_start(struct ieee80211_hw *hw); | |
235 | static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw); | |
236 | static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf); | |
237 | static int wl_ops_get_stats(struct ieee80211_hw *hw, | |
238 | struct ieee80211_low_level_stats *stats); | |
239 | static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value); | |
240 | static void wl_ops_sta_notify(struct ieee80211_hw *hw, | |
241 | struct ieee80211_vif *vif, | |
242 | enum sta_notify_cmd cmd, | |
243 | struct ieee80211_sta *sta); | |
244 | static int wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
245 | const struct ieee80211_tx_queue_params *params); | |
246 | static u64 wl_ops_get_tsf(struct ieee80211_hw *hw); | |
247 | static int wl_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
248 | struct ieee80211_sta *sta); | |
249 | static int wl_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
250 | struct ieee80211_sta *sta); | |
251 | static int wl_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
252 | enum ieee80211_ampdu_mlme_action action, | |
7cc4a4c0 | 253 | struct ieee80211_sta *sta, u16 tid, u16 *ssn); |
a9533e7e HP |
254 | |
255 | #ifdef WLC_HIGH_ONLY | |
256 | static int wl_ops_tx_nl(struct ieee80211_hw *hw, struct sk_buff *skb) | |
257 | { | |
258 | int status; | |
259 | wl_info_t *wl = hw->priv; | |
260 | if (!wl->pub->up) { | |
261 | WL_ERROR(("ops->tx called while down\n")); | |
262 | status = -ENETDOWN; | |
263 | goto done; | |
264 | } | |
265 | status = wl_start(skb, wl); | |
266 | done: | |
267 | return status; | |
268 | } | |
269 | #else | |
270 | static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb) | |
271 | { | |
272 | int status; | |
273 | wl_info_t *wl = hw->priv; | |
274 | WL_LOCK(wl); | |
275 | if (!wl->pub->up) { | |
276 | WL_ERROR(("ops->tx called while down\n")); | |
277 | status = -ENETDOWN; | |
278 | goto done; | |
279 | } | |
280 | status = wl_start(skb, wl); | |
281 | done: | |
282 | WL_UNLOCK(wl); | |
283 | return status; | |
284 | } | |
285 | #endif /* WLC_HIGH_ONLY */ | |
286 | ||
287 | static int wl_ops_start(struct ieee80211_hw *hw) | |
288 | { | |
289 | wl_info_t *wl = hw->priv; | |
290 | /* struct ieee80211_channel *curchan = hw->conf.channel; */ | |
291 | WL_NONE(("%s : Initial channel: %d\n", __func__, curchan->hw_value)); | |
292 | ||
293 | WL_LOCK(wl); | |
294 | ieee80211_wake_queues(hw); | |
295 | WL_UNLOCK(wl); | |
296 | ||
297 | return 0; | |
298 | } | |
299 | ||
300 | static void wl_ops_stop(struct ieee80211_hw *hw) | |
301 | { | |
302 | wl_info_t *wl = hw->priv; | |
303 | ASSERT(wl); | |
304 | WL_LOCK(wl); | |
305 | wl_down(wl); | |
306 | ieee80211_stop_queues(hw); | |
307 | WL_UNLOCK(wl); | |
308 | ||
309 | return; | |
310 | } | |
311 | ||
312 | static int | |
313 | wl_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
314 | { | |
315 | wl_info_t *wl; | |
316 | int err; | |
317 | ||
318 | /* Just STA for now */ | |
319 | if (vif->type != NL80211_IFTYPE_AP && | |
320 | vif->type != NL80211_IFTYPE_MESH_POINT && | |
321 | vif->type != NL80211_IFTYPE_STATION && | |
322 | vif->type != NL80211_IFTYPE_WDS && | |
323 | vif->type != NL80211_IFTYPE_ADHOC) { | |
324 | WL_ERROR(("%s: Attempt to add type %d, only STA for now\n", | |
325 | __func__, vif->type)); | |
326 | return -EOPNOTSUPP; | |
327 | } | |
328 | ||
329 | wl = HW_TO_WL(hw); | |
330 | WL_LOCK(wl); | |
331 | err = wl_up(wl); | |
332 | WL_UNLOCK(wl); | |
333 | ||
334 | if (err != 0) | |
335 | WL_ERROR(("%s: wl_up() returned %d\n", __func__, err)); | |
336 | return err; | |
337 | } | |
338 | ||
339 | static void | |
340 | wl_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
341 | { | |
342 | return; | |
343 | } | |
344 | ||
345 | static int | |
346 | ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan, | |
347 | enum nl80211_channel_type type) | |
348 | { | |
349 | wl_info_t *wl = HW_TO_WL(hw); | |
350 | int err = 0; | |
351 | ||
352 | switch (type) { | |
353 | case NL80211_CHAN_HT20: | |
354 | case NL80211_CHAN_NO_HT: | |
355 | WL_LOCK(wl); | |
356 | err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value); | |
357 | WL_UNLOCK(wl); | |
358 | break; | |
359 | case NL80211_CHAN_HT40MINUS: | |
360 | case NL80211_CHAN_HT40PLUS: | |
361 | WL_ERROR(("%s: Need to implement 40 Mhz Channels!\n", | |
362 | __func__)); | |
363 | break; | |
364 | } | |
365 | ||
366 | if (err) | |
367 | return -EIO; | |
368 | return err; | |
369 | } | |
370 | ||
371 | static int wl_ops_config(struct ieee80211_hw *hw, u32 changed) | |
372 | { | |
373 | struct ieee80211_conf *conf = &hw->conf; | |
374 | wl_info_t *wl = HW_TO_WL(hw); | |
375 | int err = 0; | |
376 | int new_int; | |
377 | ||
378 | if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { | |
379 | WL_NONE(("%s: Setting listen interval to %d\n", | |
380 | __func__, conf->listen_interval)); | |
381 | if (wlc_iovar_setint | |
382 | (wl->wlc, "bcn_li_bcn", conf->listen_interval)) { | |
383 | WL_ERROR(("%s: Error setting listen_interval\n", | |
384 | __func__)); | |
385 | err = -EIO; | |
386 | goto config_out; | |
387 | } | |
388 | wlc_iovar_getint(wl->wlc, "bcn_li_bcn", &new_int); | |
389 | ASSERT(new_int == conf->listen_interval); | |
390 | } | |
391 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) | |
392 | WL_NONE(("Need to set monitor mode\n")); | |
393 | if (changed & IEEE80211_CONF_CHANGE_PS) | |
394 | WL_NONE(("Need to set Power-save mode\n")); | |
395 | ||
396 | if (changed & IEEE80211_CONF_CHANGE_POWER) { | |
397 | WL_NONE(("%s: Setting tx power to %d dbm\n", __func__, | |
398 | conf->power_level)); | |
399 | if (wlc_iovar_setint | |
400 | (wl->wlc, "qtxpower", conf->power_level * 4)) { | |
401 | WL_ERROR(("%s: Error setting power_level\n", __func__)); | |
402 | err = -EIO; | |
403 | goto config_out; | |
404 | } | |
405 | wlc_iovar_getint(wl->wlc, "qtxpower", &new_int); | |
406 | if (new_int != (conf->power_level * 4)) | |
407 | WL_ERROR(("%s: Power level req != actual, %d %d\n", | |
408 | __func__, conf->power_level * 4, new_int)); | |
409 | } | |
410 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
411 | err = ieee_set_channel(hw, conf->channel, conf->channel_type); | |
412 | } | |
413 | if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { | |
414 | WL_NONE(("%s: srl %d, lrl %d\n", __func__, | |
415 | conf->short_frame_max_tx_count, | |
416 | conf->long_frame_max_tx_count)); | |
417 | if (wlc_set | |
418 | (wl->wlc, WLC_SET_SRL, | |
419 | conf->short_frame_max_tx_count) < 0) { | |
420 | WL_ERROR(("%s: Error setting srl\n", __func__)); | |
421 | err = -EIO; | |
422 | goto config_out; | |
423 | } | |
424 | if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count) | |
425 | < 0) { | |
426 | WL_ERROR(("%s: Error setting lrl\n", __func__)); | |
427 | err = -EIO; | |
428 | goto config_out; | |
429 | } | |
430 | } | |
431 | ||
432 | config_out: | |
433 | return err; | |
434 | } | |
435 | ||
436 | static void | |
437 | wl_ops_bss_info_changed(struct ieee80211_hw *hw, | |
438 | struct ieee80211_vif *vif, | |
439 | struct ieee80211_bss_conf *info, u32 changed) | |
440 | { | |
441 | wl_info_t *wl = HW_TO_WL(hw); | |
442 | int val; | |
443 | ||
444 | #ifdef WLC_HIGH_ONLY | |
445 | WL_LOCK(wl); | |
446 | #endif | |
447 | ||
448 | if (changed & BSS_CHANGED_ASSOC) { | |
449 | WL_ERROR(("Associated:\t%s\n", info->assoc ? "True" : "False")); | |
450 | /* association status changed (associated/disassociated) | |
451 | * also implies a change in the AID. | |
452 | */ | |
453 | } | |
454 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
455 | WL_NONE(("Use_cts_prot:\t%s Implement me\n", | |
456 | info->use_cts_prot ? "True" : "False")); | |
457 | /* CTS protection changed */ | |
458 | } | |
459 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
460 | WL_NONE(("Short preamble:\t%s Implement me\n", | |
461 | info->use_short_preamble ? "True" : "False")); | |
462 | /* preamble changed */ | |
463 | } | |
464 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
465 | WL_NONE(("Changing short slot:\t%s\n", | |
466 | info->use_short_slot ? "True" : "False")); | |
467 | if (info->use_short_slot) | |
468 | val = 1; | |
469 | else | |
470 | val = 0; | |
471 | wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val); | |
472 | /* slot timing changed */ | |
473 | } | |
474 | ||
475 | if (changed & BSS_CHANGED_HT) { | |
476 | WL_NONE(("%s: HT mode - Implement me\n", __func__)); | |
477 | /* 802.11n parameters changed */ | |
478 | } | |
479 | if (changed & BSS_CHANGED_BASIC_RATES) { | |
480 | WL_NONE(("Need to change Basic Rates:\t0x%x! Implement me\n", | |
66cbd3ab | 481 | (u32) info->basic_rates)); |
a9533e7e HP |
482 | /* Basic rateset changed */ |
483 | } | |
484 | if (changed & BSS_CHANGED_BEACON_INT) { | |
485 | WL_NONE(("Beacon Interval:\t%d Implement me\n", | |
486 | info->beacon_int)); | |
487 | /* Beacon interval changed */ | |
488 | } | |
489 | if (changed & BSS_CHANGED_BSSID) { | |
ba07d0cb AS |
490 | WL_NONE(("new BSSID:\taid %d bss:%pM\n", info->aid, |
491 | info->bssid)); | |
a9533e7e HP |
492 | /* BSSID changed, for whatever reason (IBSS and managed mode) */ |
493 | /* FIXME: need to store bssid in bsscfg */ | |
494 | wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, | |
495 | (struct ether_addr *)info->bssid); | |
496 | } | |
497 | if (changed & BSS_CHANGED_BEACON) { | |
498 | WL_ERROR(("BSS_CHANGED_BEACON\n")); | |
499 | /* Beacon data changed, retrieve new beacon (beaconing modes) */ | |
500 | } | |
501 | if (changed & BSS_CHANGED_BEACON_ENABLED) { | |
502 | WL_ERROR(("Beacon enabled:\t%s\n", | |
503 | info->enable_beacon ? "True" : "False")); | |
504 | /* Beaconing should be enabled/disabled (beaconing modes) */ | |
505 | } | |
506 | #ifdef WLC_HIGH_ONLY | |
507 | WL_UNLOCK(wl); | |
508 | #endif | |
509 | return; | |
510 | } | |
511 | ||
512 | static void | |
513 | wl_ops_configure_filter(struct ieee80211_hw *hw, | |
514 | unsigned int changed_flags, | |
515 | unsigned int *total_flags, u64 multicast) | |
516 | { | |
517 | #ifndef WLC_HIGH_ONLY | |
518 | wl_info_t *wl = hw->priv; | |
519 | #endif | |
520 | ||
521 | changed_flags &= MAC_FILTERS; | |
522 | *total_flags &= MAC_FILTERS; | |
523 | if (changed_flags & FIF_PROMISC_IN_BSS) | |
524 | WL_ERROR(("FIF_PROMISC_IN_BSS\n")); | |
525 | if (changed_flags & FIF_ALLMULTI) | |
526 | WL_ERROR(("FIF_ALLMULTI\n")); | |
527 | if (changed_flags & FIF_FCSFAIL) | |
528 | WL_ERROR(("FIF_FCSFAIL\n")); | |
529 | if (changed_flags & FIF_PLCPFAIL) | |
530 | WL_ERROR(("FIF_PLCPFAIL\n")); | |
531 | if (changed_flags & FIF_CONTROL) | |
532 | WL_ERROR(("FIF_CONTROL\n")); | |
533 | if (changed_flags & FIF_OTHER_BSS) | |
534 | WL_ERROR(("FIF_OTHER_BSS\n")); | |
535 | if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { | |
536 | WL_NONE(("FIF_BCN_PRBRESP_PROMISC\n")); | |
537 | #ifndef WLC_HIGH_ONLY | |
538 | WL_LOCK(wl); | |
539 | if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { | |
540 | wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS; | |
541 | wlc_mac_bcn_promisc_change(wl->wlc, 1); | |
542 | } else { | |
543 | wlc_mac_bcn_promisc_change(wl->wlc, 0); | |
544 | wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS; | |
545 | } | |
546 | WL_UNLOCK(wl); | |
547 | #endif | |
548 | } | |
549 | return; | |
550 | } | |
551 | ||
552 | static int | |
553 | wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set) | |
554 | { | |
555 | WL_ERROR(("%s: Enter\n", __func__)); | |
556 | return 0; | |
557 | } | |
558 | ||
559 | static void wl_ops_sw_scan_start(struct ieee80211_hw *hw) | |
560 | { | |
561 | WL_NONE(("Scan Start\n")); | |
562 | return; | |
563 | } | |
564 | ||
565 | static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw) | |
566 | { | |
567 | WL_NONE(("Scan Complete\n")); | |
568 | return; | |
569 | } | |
570 | ||
571 | static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf) | |
572 | { | |
573 | WL_ERROR(("%s: Enter\n", __func__)); | |
574 | return; | |
575 | } | |
576 | ||
577 | static int | |
578 | wl_ops_get_stats(struct ieee80211_hw *hw, | |
579 | struct ieee80211_low_level_stats *stats) | |
580 | { | |
581 | WL_ERROR(("%s: Enter\n", __func__)); | |
582 | return 0; | |
583 | } | |
584 | ||
585 | static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
586 | { | |
587 | WL_ERROR(("%s: Enter\n", __func__)); | |
588 | return 0; | |
589 | } | |
590 | ||
591 | static void | |
592 | wl_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
593 | enum sta_notify_cmd cmd, struct ieee80211_sta *sta) | |
594 | { | |
595 | WL_NONE(("%s: Enter\n", __func__)); | |
596 | switch (cmd) { | |
597 | default: | |
598 | WL_ERROR(("%s: Uknown cmd = %d\n", __func__, cmd)); | |
599 | break; | |
600 | } | |
601 | return; | |
602 | } | |
603 | ||
604 | static int | |
605 | wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
606 | const struct ieee80211_tx_queue_params *params) | |
607 | { | |
608 | wl_info_t *wl = hw->priv; | |
609 | ||
610 | WL_NONE(("%s: Enter (WME config)\n", __func__)); | |
611 | WL_NONE(("queue %d, txop %d, cwmin %d, cwmax %d, aifs %d\n", queue, | |
612 | params->txop, params->cw_min, params->cw_max, params->aifs)); | |
613 | ||
614 | WL_LOCK(wl); | |
0f0881b0 | 615 | wlc_wme_setparams(wl->wlc, queue, (void *)params, true); |
a9533e7e HP |
616 | WL_UNLOCK(wl); |
617 | ||
618 | return 0; | |
619 | } | |
620 | ||
621 | static u64 wl_ops_get_tsf(struct ieee80211_hw *hw) | |
622 | { | |
623 | WL_ERROR(("%s: Enter\n", __func__)); | |
624 | return 0; | |
625 | } | |
626 | ||
627 | static int | |
628 | wl_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
629 | struct ieee80211_sta *sta) | |
630 | { | |
631 | struct scb *scb; | |
632 | ||
633 | int i; | |
634 | wl_info_t *wl = hw->priv; | |
635 | ||
636 | /* Init the scb */ | |
637 | scb = (struct scb *)sta->drv_priv; | |
638 | bzero(scb, sizeof(struct scb)); | |
639 | for (i = 0; i < NUMPRIO; i++) | |
640 | scb->seqctl[i] = 0xFFFF; | |
641 | scb->seqctl_nonqos = 0xFFFF; | |
642 | scb->magic = SCB_MAGIC; | |
643 | ||
644 | wl->pub->global_scb = scb; | |
645 | wl->pub->global_ampdu = &(scb->scb_ampdu); | |
646 | wl->pub->global_ampdu->scb = scb; | |
647 | #ifdef WLC_HIGH_ONLY | |
648 | wl->pub->global_ampdu->max_pdu = AMPDU_NUM_MPDU; | |
649 | #else | |
650 | wl->pub->global_ampdu->max_pdu = 16; | |
651 | #endif | |
652 | pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID, | |
653 | AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT); | |
654 | ||
0f0881b0 | 655 | sta->ht_cap.ht_supported = true; |
a9533e7e HP |
656 | #ifdef WLC_HIGH_ONLY |
657 | sta->ht_cap.ampdu_factor = AMPDU_RX_FACTOR_16K; | |
658 | #else | |
659 | sta->ht_cap.ampdu_factor = AMPDU_RX_FACTOR_64K; | |
660 | #endif | |
661 | sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY; | |
662 | sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD | | |
663 | IEEE80211_HT_CAP_SGI_20 | | |
664 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT; | |
665 | ||
666 | /* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */ | |
667 | return 0; | |
668 | } | |
669 | ||
670 | static int | |
671 | wl_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
672 | struct ieee80211_sta *sta) | |
673 | { | |
674 | WL_NONE(("%s: Enter\n", __func__)); | |
675 | return 0; | |
676 | } | |
677 | ||
678 | static int | |
679 | wl_ampdu_action(struct ieee80211_hw *hw, | |
680 | struct ieee80211_vif *vif, | |
681 | enum ieee80211_ampdu_mlme_action action, | |
7cc4a4c0 | 682 | struct ieee80211_sta *sta, u16 tid, u16 *ssn) |
a9533e7e HP |
683 | { |
684 | #if defined(BCMDBG) | |
685 | struct scb *scb = (struct scb *)sta->drv_priv; | |
686 | #endif | |
687 | wl_info_t *wl = hw->priv; | |
688 | ||
689 | ASSERT(scb->magic == SCB_MAGIC); | |
690 | switch (action) { | |
691 | case IEEE80211_AMPDU_RX_START: | |
692 | WL_NONE(("%s: action = IEEE80211_AMPDU_RX_START\n", __func__)); | |
693 | break; | |
694 | case IEEE80211_AMPDU_RX_STOP: | |
695 | WL_NONE(("%s: action = IEEE80211_AMPDU_RX_STOP\n", __func__)); | |
696 | break; | |
697 | case IEEE80211_AMPDU_TX_START: | |
698 | if (!wlc_aggregatable(wl->wlc, tid)) { | |
699 | /* WL_ERROR(("START: tid %d is not agg' able, return FAILURE to stack\n", tid)); */ | |
700 | return -1; | |
701 | } | |
702 | /* XXX: Use the starting sequence number provided ... */ | |
703 | *ssn = 0; | |
704 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
705 | break; | |
706 | ||
707 | case IEEE80211_AMPDU_TX_STOP: | |
708 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
709 | break; | |
710 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
711 | /* Not sure what to do here */ | |
712 | /* Power save wakeup */ | |
713 | WL_NONE(("%s: action = IEEE80211_AMPDU_TX_OPERATIONAL\n", | |
714 | __func__)); | |
715 | break; | |
716 | default: | |
717 | WL_ERROR(("%s: Invalid command, ignoring\n", __func__)); | |
718 | } | |
719 | ||
720 | return 0; | |
721 | } | |
722 | ||
723 | static const struct ieee80211_ops wl_ops = { | |
724 | #ifdef WLC_HIGH_ONLY | |
725 | .tx = wl_ops_tx_nl, | |
726 | #else | |
727 | .tx = wl_ops_tx, | |
728 | #endif | |
729 | .start = wl_ops_start, | |
730 | .stop = wl_ops_stop, | |
731 | .add_interface = wl_ops_add_interface, | |
732 | .remove_interface = wl_ops_remove_interface, | |
733 | .config = wl_ops_config, | |
734 | .bss_info_changed = wl_ops_bss_info_changed, | |
735 | .configure_filter = wl_ops_configure_filter, | |
736 | .set_tim = wl_ops_set_tim, | |
737 | .sw_scan_start = wl_ops_sw_scan_start, | |
738 | .sw_scan_complete = wl_ops_sw_scan_complete, | |
739 | .set_tsf = wl_ops_set_tsf, | |
740 | .get_stats = wl_ops_get_stats, | |
741 | .set_rts_threshold = wl_ops_set_rts_threshold, | |
742 | .sta_notify = wl_ops_sta_notify, | |
743 | .conf_tx = wl_ops_conf_tx, | |
744 | .get_tsf = wl_ops_get_tsf, | |
745 | .sta_add = wl_sta_add, | |
746 | .sta_remove = wl_sta_remove, | |
747 | .ampdu_action = wl_ampdu_action, | |
748 | }; | |
749 | ||
7cc4a4c0 | 750 | static int wl_set_hint(wl_info_t *wl, char *abbrev) |
a9533e7e HP |
751 | { |
752 | WL_ERROR(("%s: Sending country code %c%c to MAC80211\n", __func__, | |
753 | abbrev[0], abbrev[1])); | |
90ea2296 | 754 | return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev); |
a9533e7e HP |
755 | } |
756 | ||
757 | /** | |
758 | * attach to the WL device. | |
759 | * | |
760 | * Attach to the WL device identified by vendor and device parameters. | |
761 | * regs is a host accessible memory address pointing to WL device registers. | |
762 | * | |
763 | * wl_attach is not defined as static because in the case where no bus | |
764 | * is defined, wl_attach will never be called, and thus, gcc will issue | |
765 | * a warning that this function is defined but not used if we declare | |
766 | * it as static. | |
767 | */ | |
7d4df48e | 768 | static wl_info_t *wl_attach(u16 vendor, u16 device, unsigned long regs, |
a9533e7e HP |
769 | uint bustype, void *btparam, uint irq) |
770 | { | |
771 | wl_info_t *wl; | |
772 | osl_t *osh; | |
773 | int unit, err; | |
774 | ||
3deea904 | 775 | unsigned long base_addr; |
a9533e7e | 776 | struct ieee80211_hw *hw; |
41feb5ed | 777 | u8 perm[ETH_ALEN]; |
a9533e7e HP |
778 | |
779 | unit = wl_found + instance_base; | |
780 | err = 0; | |
781 | ||
782 | if (unit < 0) { | |
783 | WL_ERROR(("wl%d: unit number overflow, exiting\n", unit)); | |
784 | return NULL; | |
785 | } | |
786 | ||
787 | if (oneonly && (unit != instance_base)) { | |
788 | WL_ERROR(("wl%d: wl_attach: oneonly is set, exiting\n", unit)); | |
789 | return NULL; | |
790 | } | |
791 | ||
792 | /* Requires pkttag feature */ | |
0f0881b0 | 793 | osh = osl_attach(btparam, bustype, true); |
a9533e7e HP |
794 | ASSERT(osh); |
795 | ||
796 | #ifdef WLC_HIGH_ONLY | |
797 | hw = ieee80211_alloc_hw(sizeof(wl_info_t), &wl_ops); | |
798 | if (!hw) { | |
799 | WL_ERROR(("%s: ieee80211_alloc_hw failed\n", __func__)); | |
800 | ASSERT(0); | |
801 | } | |
802 | ||
803 | bzero(hw->priv, sizeof(*wl)); | |
804 | wl = hw->priv; | |
805 | #else | |
806 | /* allocate private info */ | |
807 | hw = pci_get_drvdata(btparam); /* btparam == pdev */ | |
808 | wl = hw->priv; | |
809 | #endif | |
810 | ASSERT(wl); | |
811 | ||
812 | wl->magic = WL_MAGIC; | |
813 | wl->osh = osh; | |
814 | atomic_set(&wl->callbacks, 0); | |
815 | ||
eb4764c3 | 816 | /* setup the bottom half handler */ |
3deea904 | 817 | tasklet_init(&wl->tasklet, wl_dpc, (unsigned long) wl); |
eb4764c3 | 818 | |
a9533e7e HP |
819 | #ifdef WLC_HIGH_ONLY |
820 | wl->rpc_th = bcm_rpc_tp_attach(osh, NULL); | |
821 | if (wl->rpc_th == NULL) { | |
822 | WL_ERROR(("wl%d: %s: bcm_rpc_tp_attach failed!\n", unit, | |
823 | __func__)); | |
824 | goto fail; | |
825 | } | |
826 | ||
827 | wl->rpc = bcm_rpc_attach(NULL, osh, wl->rpc_th); | |
828 | if (wl->rpc == NULL) { | |
829 | WL_ERROR(("wl%d: %s: bcm_rpc_attach failed!\n", unit, | |
830 | __func__)); | |
831 | goto fail; | |
832 | } | |
833 | ||
834 | /* init tx work queue for wl_start/send pkt; no need to destroy workitem */ | |
364eb72a | 835 | INIT_WORK(&wl->txq_task.work, (work_func_t) wl_start_txqwork); |
a9533e7e HP |
836 | wl->txq_task.context = wl; |
837 | #endif /* WLC_HIGH_ONLY */ | |
838 | ||
839 | #ifdef BCMSDIO | |
840 | SET_IEEE80211_DEV(hw, sdiommc_dev); | |
841 | #endif | |
842 | ||
843 | base_addr = regs; | |
844 | ||
845 | if (bustype == PCI_BUS) { | |
846 | /* piomode can be overwritten by command argument */ | |
847 | wl->piomode = piomode; | |
848 | WL_TRACE(("PCI/%s\n", wl->piomode ? "PIO" : "DMA")); | |
849 | } else if (bustype == RPC_BUS) { | |
850 | /* Do nothing */ | |
851 | } else { | |
852 | bustype = PCI_BUS; | |
853 | WL_TRACE(("force to PCI\n")); | |
854 | } | |
855 | wl->bcm_bustype = bustype; | |
856 | ||
857 | #ifdef WLC_HIGH_ONLY | |
858 | if (wl->bcm_bustype == RPC_BUS) { | |
859 | wl->regsva = (void *)0; | |
860 | btparam = wl->rpc; | |
861 | } else | |
862 | #endif | |
ca8c1e59 JC |
863 | wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ); |
864 | if (wl->regsva == NULL) { | |
a9533e7e HP |
865 | WL_ERROR(("wl%d: ioremap() failed\n", unit)); |
866 | goto fail; | |
867 | } | |
868 | #ifdef WLC_HIGH_ONLY | |
869 | spin_lock_init(&wl->rpcq_lock); | |
870 | spin_lock_init(&wl->txq_lock); | |
871 | ||
45f4d024 | 872 | sema_init(&wl->sem, 1); |
a9533e7e HP |
873 | #else |
874 | spin_lock_init(&wl->lock); | |
875 | spin_lock_init(&wl->isr_lock); | |
876 | #endif | |
877 | ||
878 | #ifndef WLC_HIGH_ONLY | |
879 | /* prepare ucode */ | |
880 | if (wl_request_fw(wl, (struct pci_dev *)btparam)) { | |
683b505b BR |
881 | printf("%s: Failed to find firmware usually in %s\n", |
882 | KBUILD_MODNAME, "/lib/firmware/brcm"); | |
883 | wl_release_fw(wl); | |
884 | wl_remove((struct pci_dev *)btparam); | |
885 | goto fail1; | |
a9533e7e HP |
886 | } |
887 | #endif | |
888 | ||
889 | /* common load-time initialization */ | |
eb4764c3 BH |
890 | wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode, osh, |
891 | wl->regsva, wl->bcm_bustype, btparam, &err); | |
892 | #ifndef WLC_HIGH_ONLY | |
893 | wl_release_fw(wl); | |
894 | #endif | |
895 | if (!wl->wlc) { | |
4766ae6c BR |
896 | printf("%s: wlc_attach() failed with code %d\n", |
897 | KBUILD_MODNAME, err); | |
a9533e7e HP |
898 | goto fail; |
899 | } | |
a9533e7e HP |
900 | wl->pub = wlc_pub(wl->wlc); |
901 | ||
902 | wl->pub->ieee_hw = hw; | |
903 | ASSERT(wl->pub->ieee_hw); | |
904 | ASSERT(wl->pub->ieee_hw->priv == wl); | |
905 | ||
906 | #ifdef WLC_HIGH_ONLY | |
907 | REGOPSSET(osh, (osl_rreg_fn_t) wlc_reg_read, | |
908 | (osl_wreg_fn_t) wlc_reg_write, wl->wlc); | |
909 | wl->rpc_dispatch_ctx.rpc = wl->rpc; | |
910 | wl->rpc_dispatch_ctx.wlc = wl->wlc; | |
911 | bcm_rpc_rxcb_init(wl->rpc, wl, wl_rpc_dispatch_schedule, wl, | |
912 | wl_rpc_down, NULL, NULL); | |
913 | #endif /* WLC_HIGH_ONLY */ | |
914 | ||
915 | if (nompc) { | |
916 | if (wlc_iovar_setint(wl->wlc, "mpc", 0)) { | |
917 | WL_ERROR(("wl%d: Error setting MPC variable to 0\n", | |
918 | unit)); | |
919 | } | |
920 | } | |
921 | #ifdef BCMSDIO | |
922 | /* Set SDIO drive strength */ | |
923 | wlc_iovar_setint(wl->wlc, "sd_drivestrength", sd_drivestrength); | |
924 | #endif | |
925 | ||
a9533e7e HP |
926 | #ifdef WLC_LOW |
927 | /* register our interrupt handler */ | |
928 | if (request_irq(irq, wl_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) { | |
929 | WL_ERROR(("wl%d: request_irq() failed\n", unit)); | |
930 | goto fail; | |
931 | } | |
932 | wl->irq = irq; | |
933 | #endif /* WLC_LOW */ | |
934 | ||
935 | /* register module */ | |
936 | wlc_module_register(wl->pub, NULL, "linux", wl, NULL, wl_linux_watchdog, | |
937 | NULL); | |
938 | ||
939 | if (ieee_hw_init(hw)) { | |
940 | WL_ERROR(("wl%d: %s: ieee_hw_init failed!\n", unit, __func__)); | |
941 | goto fail; | |
942 | } | |
943 | ||
944 | bcopy(&wl->pub->cur_etheraddr, perm, ETHER_ADDR_LEN); | |
945 | ASSERT(is_valid_ether_addr(perm)); | |
946 | SET_IEEE80211_PERM_ADDR(hw, perm); | |
947 | ||
948 | err = ieee80211_register_hw(hw); | |
949 | if (err) { | |
950 | WL_ERROR(("%s: ieee80211_register_hw failed, status %d\n", | |
951 | __func__, err)); | |
952 | } | |
953 | ||
954 | if (wl->pub->srom_ccode[0]) | |
955 | err = wl_set_hint(wl, wl->pub->srom_ccode); | |
956 | else | |
957 | err = wl_set_hint(wl, "US"); | |
958 | if (err) { | |
959 | WL_ERROR(("%s: regulatory_hint failed, status %d\n", __func__, | |
960 | err)); | |
961 | } | |
962 | #ifndef WLC_HIGH_ONLY | |
963 | WL_ERROR(("wl%d: Broadcom BCM43xx 802.11 MAC80211 Driver " | |
4766ae6c | 964 | " (" PHY_VERSION_STR ")", unit)); |
a9533e7e | 965 | #else |
4766ae6c BR |
966 | WL_ERROR(("wl%d: Broadcom BCM43xx 802.11 Splitmac MAC80211 Driver " |
967 | , unit)); | |
a9533e7e HP |
968 | #endif |
969 | ||
970 | #ifdef BCMDBG | |
971 | printf(" (Compiled in " SRCBASE " at " __TIME__ " on " __DATE__ ")"); | |
972 | #endif /* BCMDBG */ | |
973 | printf("\n"); | |
974 | ||
a9533e7e HP |
975 | wl_found++; |
976 | return wl; | |
977 | ||
978 | fail: | |
979 | wl_free(wl); | |
9e56568a | 980 | fail1: |
a9533e7e HP |
981 | return NULL; |
982 | } | |
983 | ||
a9533e7e | 984 | #ifdef WLC_HIGH_ONLY |
66cbd3ab GKH |
985 | static void *wl_dbus_probe_cb(void *arg, const char *desc, u32 bustype, |
986 | u32 hdrlen) | |
a9533e7e HP |
987 | { |
988 | wl_info_t *wl; | |
989 | WL_ERROR(("%s:\n", __func__)); | |
990 | ||
3deea904 | 991 | wl = wl_attach(BCM_DNGL_VID, BCM_DNGL_BDC_PID, (unsigned long) NULL, RPC_BUS, |
ca8c1e59 JC |
992 | NULL, 0); |
993 | if (!wl) { | |
a9533e7e HP |
994 | WL_ERROR(("%s: wl_attach failed\n", __func__)); |
995 | } | |
996 | ||
997 | /* This is later passed to wl_dbus_disconnect_cb */ | |
998 | return wl; | |
999 | } | |
1000 | ||
1001 | static void wl_dbus_disconnect_cb(void *arg) | |
1002 | { | |
1003 | wl_info_t *wl = arg; | |
1004 | ||
1005 | WL_ERROR(("%s:\n", __func__)); | |
1006 | ||
1007 | if (wl) { | |
1008 | #ifdef WLC_HIGH_ONLY | |
1009 | if (wl->pub->ieee_hw) { | |
1010 | ieee80211_unregister_hw(wl->pub->ieee_hw); | |
1011 | WL_ERROR(("%s: Back from down\n", __func__)); | |
1012 | } | |
1013 | wlc_device_removed(wl->wlc); | |
1014 | wlc_bmac_dngl_reboot(wl->rpc); | |
1015 | bcm_rpc_down(wl->rpc); | |
1016 | #endif | |
1017 | WL_LOCK(wl); | |
1018 | wl_down(wl); | |
1019 | WL_UNLOCK(wl); | |
1020 | #ifdef WLC_HIGH_ONLY | |
1021 | if (wl->pub->ieee_hw) { | |
1022 | ieee80211_free_hw(wl->pub->ieee_hw); | |
1023 | WL_ERROR(("%s: Back from ieee80211_free_hw\n", | |
1024 | __func__)); | |
1025 | wl->pub->ieee_hw = NULL; | |
1026 | } | |
1027 | #endif | |
1028 | wl_free(wl); | |
1029 | } | |
1030 | } | |
1031 | #endif /* WLC_HIGH_ONLY */ | |
1032 | ||
a9533e7e HP |
1033 | |
1034 | #define CHAN2GHZ(channel, freqency, chflags) { \ | |
1035 | .band = IEEE80211_BAND_2GHZ, \ | |
1036 | .center_freq = (freqency), \ | |
1037 | .hw_value = (channel), \ | |
1038 | .flags = chflags, \ | |
1039 | .max_antenna_gain = 0, \ | |
1040 | .max_power = 19, \ | |
1041 | } | |
1042 | ||
1043 | static struct ieee80211_channel wl_2ghz_chantable[] = { | |
1044 | CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS), | |
1045 | CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS), | |
1046 | CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS), | |
1047 | CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS), | |
1048 | CHAN2GHZ(5, 2432, 0), | |
1049 | CHAN2GHZ(6, 2437, 0), | |
1050 | CHAN2GHZ(7, 2442, 0), | |
1051 | CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS), | |
1052 | CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS), | |
1053 | CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS), | |
1054 | CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS), | |
1055 | CHAN2GHZ(12, 2467, | |
1056 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
1057 | IEEE80211_CHAN_NO_HT40PLUS), | |
1058 | CHAN2GHZ(13, 2472, | |
1059 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
1060 | IEEE80211_CHAN_NO_HT40PLUS), | |
1061 | CHAN2GHZ(14, 2484, | |
1062 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
1063 | IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
1064 | }; | |
1065 | ||
1066 | #define CHAN5GHZ(channel, chflags) { \ | |
1067 | .band = IEEE80211_BAND_5GHZ, \ | |
1068 | .center_freq = 5000 + 5*(channel), \ | |
1069 | .hw_value = (channel), \ | |
1070 | .flags = chflags, \ | |
1071 | .max_antenna_gain = 0, \ | |
1072 | .max_power = 21, \ | |
1073 | } | |
1074 | ||
1075 | static struct ieee80211_channel wl_5ghz_nphy_chantable[] = { | |
1076 | /* UNII-1 */ | |
1077 | CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS), | |
1078 | CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS), | |
1079 | CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS), | |
1080 | CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS), | |
1081 | /* UNII-2 */ | |
1082 | CHAN5GHZ(52, | |
1083 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1084 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
1085 | CHAN5GHZ(56, | |
1086 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1087 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
1088 | CHAN5GHZ(60, | |
1089 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1090 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
1091 | CHAN5GHZ(64, | |
1092 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1093 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
1094 | /* MID */ | |
1095 | CHAN5GHZ(100, | |
1096 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1097 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
1098 | CHAN5GHZ(104, | |
1099 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1100 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
1101 | CHAN5GHZ(108, | |
1102 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1103 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
1104 | CHAN5GHZ(112, | |
1105 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1106 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
1107 | CHAN5GHZ(116, | |
1108 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1109 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
1110 | CHAN5GHZ(120, | |
1111 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1112 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
1113 | CHAN5GHZ(124, | |
1114 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1115 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
1116 | CHAN5GHZ(128, | |
1117 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1118 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
1119 | CHAN5GHZ(132, | |
1120 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1121 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
1122 | CHAN5GHZ(136, | |
1123 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1124 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
1125 | CHAN5GHZ(140, | |
1126 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
1127 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS | | |
1128 | IEEE80211_CHAN_NO_HT40MINUS), | |
1129 | /* UNII-3 */ | |
1130 | CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS), | |
1131 | CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS), | |
1132 | CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS), | |
1133 | CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS), | |
1134 | CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
1135 | }; | |
1136 | ||
1137 | #define RATE(rate100m, _flags) { \ | |
1138 | .bitrate = (rate100m), \ | |
1139 | .flags = (_flags), \ | |
1140 | .hw_value = (rate100m / 5), \ | |
1141 | } | |
1142 | ||
1143 | static struct ieee80211_rate wl_legacy_ratetable[] = { | |
1144 | RATE(10, 0), | |
1145 | RATE(20, IEEE80211_RATE_SHORT_PREAMBLE), | |
1146 | RATE(55, IEEE80211_RATE_SHORT_PREAMBLE), | |
1147 | RATE(110, IEEE80211_RATE_SHORT_PREAMBLE), | |
1148 | RATE(60, 0), | |
1149 | RATE(90, 0), | |
1150 | RATE(120, 0), | |
1151 | RATE(180, 0), | |
1152 | RATE(240, 0), | |
1153 | RATE(360, 0), | |
1154 | RATE(480, 0), | |
1155 | RATE(540, 0), | |
1156 | }; | |
1157 | ||
1158 | static struct ieee80211_supported_band wl_band_2GHz_nphy = { | |
1159 | .band = IEEE80211_BAND_2GHZ, | |
1160 | .channels = wl_2ghz_chantable, | |
1161 | .n_channels = ARRAY_SIZE(wl_2ghz_chantable), | |
1162 | .bitrates = wl_legacy_ratetable, | |
1163 | .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable), | |
1164 | .ht_cap = { | |
1165 | /* from include/linux/ieee80211.h */ | |
1166 | .cap = IEEE80211_HT_CAP_GRN_FLD | | |
1167 | IEEE80211_HT_CAP_SGI_20 | | |
1168 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT, | |
1169 | #ifdef WLC_HIGH_ONLY | |
1170 | .ht_supported = true, | |
1171 | .ampdu_factor = AMPDU_RX_FACTOR_16K, | |
1172 | #else | |
1173 | .ht_supported = true, | |
1174 | .ampdu_factor = AMPDU_RX_FACTOR_64K, | |
1175 | #endif | |
1176 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, | |
1177 | .mcs = { | |
1178 | /* placeholders for now */ | |
1179 | #ifdef WLC_HIGH_ONLY | |
1180 | /* | |
1181 | * rx_mask[0] = 0xff by default | |
1182 | * rx_mask[1] = 0xff if number of rx chain >=2 | |
1183 | * rx_mask[2] = 0xff if number of rx chain >=3 | |
1184 | * rx_mask[4] = 1 if 40Mhz is supported | |
1185 | */ | |
1186 | .rx_mask = {0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0}, | |
1187 | .rx_highest = 72, /* max rate of single stream */ | |
1188 | #else | |
1189 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, | |
1190 | .rx_highest = 500, | |
1191 | #endif | |
1192 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} | |
1193 | } | |
1194 | }; | |
1195 | ||
1196 | static struct ieee80211_supported_band wl_band_5GHz_nphy = { | |
1197 | .band = IEEE80211_BAND_5GHZ, | |
1198 | .channels = wl_5ghz_nphy_chantable, | |
1199 | .n_channels = ARRAY_SIZE(wl_5ghz_nphy_chantable), | |
1200 | .bitrates = wl_legacy_ratetable + 4, | |
1201 | .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable) - 4, | |
1202 | .ht_cap = { | |
1203 | /* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */ | |
1204 | .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT, /* No 40 mhz yet */ | |
1205 | .ht_supported = true, | |
1206 | .ampdu_factor = AMPDU_RX_FACTOR_64K, | |
1207 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, | |
1208 | .mcs = { | |
1209 | /* placeholders for now */ | |
1210 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, | |
1211 | .rx_highest = 500, | |
1212 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} | |
1213 | } | |
1214 | }; | |
1215 | ||
1216 | static int ieee_hw_rate_init(struct ieee80211_hw *hw) | |
1217 | { | |
1218 | wl_info_t *wl = HW_TO_WL(hw); | |
1219 | int has_5g; | |
1220 | char phy_list[4]; | |
1221 | ||
1222 | has_5g = 0; | |
1223 | ||
1224 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL; | |
1225 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; | |
1226 | ||
1227 | if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) { | |
1228 | WL_ERROR(("Phy list failed\n")); | |
1229 | } | |
1230 | WL_NONE(("%s: phylist = %c\n", __func__, phy_list[0])); | |
1231 | ||
1232 | #ifndef WLC_HIGH_ONLY | |
1233 | if (phy_list[0] == 'n' || phy_list[0] == 'c') { | |
1234 | if (phy_list[0] == 'c') { | |
1235 | /* Single stream */ | |
1236 | wl_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0; | |
1237 | wl_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72; | |
1238 | } | |
1239 | #else | |
1240 | if (phy_list[0] == 's') { | |
1241 | #endif | |
1242 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl_band_2GHz_nphy; | |
1243 | } else { | |
1244 | BUG(); | |
90ea2296 | 1245 | return -1; |
a9533e7e HP |
1246 | } |
1247 | ||
1248 | /* Assume all bands use the same phy. True for 11n devices. */ | |
1249 | if (NBANDS_PUB(wl->pub) > 1) { | |
1250 | has_5g++; | |
1251 | #ifndef WLC_HIGH_ONLY | |
1252 | if (phy_list[0] == 'n' || phy_list[0] == 'c') { | |
1253 | #else | |
1254 | if (phy_list[0] == 's') { | |
1255 | #endif | |
1256 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = | |
1257 | &wl_band_5GHz_nphy; | |
1258 | } else { | |
90ea2296 | 1259 | return -1; |
a9533e7e HP |
1260 | } |
1261 | } | |
1262 | ||
1263 | WL_NONE(("%s: 2ghz = %d, 5ghz = %d\n", __func__, 1, has_5g)); | |
1264 | ||
90ea2296 | 1265 | return 0; |
a9533e7e HP |
1266 | } |
1267 | ||
1268 | static int ieee_hw_init(struct ieee80211_hw *hw) | |
1269 | { | |
1270 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
1271 | /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */ | |
1272 | | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
1273 | | IEEE80211_HW_AMPDU_AGGREGATION; | |
1274 | ||
1275 | hw->extra_tx_headroom = wlc_get_header_len(); | |
1276 | /* FIXME: should get this from wlc->machwcap */ | |
1277 | hw->queues = 4; | |
1278 | /* FIXME: this doesn't seem to be used properly in minstrel_ht. | |
1279 | * mac80211/status.c:ieee80211_tx_status() checks this value, | |
1280 | * but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate() | |
1281 | * appears to always set 3 rates | |
1282 | */ | |
1283 | hw->max_rates = 2; /* Primary rate and 1 fallback rate */ | |
1284 | ||
1285 | hw->channel_change_time = 7 * 1000; /* channel change time is dependant on chip and band */ | |
1286 | hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); | |
1287 | ||
1288 | hw->rate_control_algorithm = "minstrel_ht"; | |
1289 | ||
1290 | hw->sta_data_size = sizeof(struct scb); | |
90ea2296 | 1291 | return ieee_hw_rate_init(hw); |
a9533e7e HP |
1292 | } |
1293 | ||
1294 | #ifndef BCMSDIO | |
1295 | /** | |
1296 | * determines if a device is a WL device, and if so, attaches it. | |
1297 | * | |
1298 | * This function determines if a device pointed to by pdev is a WL device, | |
1299 | * and if so, performs a wl_attach() on it. | |
1300 | * | |
1301 | */ | |
1302 | int __devinit | |
1303 | wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1304 | { | |
1305 | int rc; | |
1306 | wl_info_t *wl; | |
1307 | struct ieee80211_hw *hw; | |
66cbd3ab | 1308 | u32 val; |
a9533e7e HP |
1309 | |
1310 | ASSERT(pdev); | |
1311 | ||
1312 | WL_TRACE(("%s: bus %d slot %d func %d irq %d\n", __func__, | |
1313 | pdev->bus->number, PCI_SLOT(pdev->devfn), | |
1314 | PCI_FUNC(pdev->devfn), pdev->irq)); | |
1315 | ||
1316 | if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) || | |
1317 | (((pdev->device & 0xff00) != 0x4300) && | |
1318 | ((pdev->device & 0xff00) != 0x4700) && | |
1319 | ((pdev->device < 43000) || (pdev->device > 43999)))) | |
90ea2296 | 1320 | return -ENODEV; |
a9533e7e HP |
1321 | |
1322 | rc = pci_enable_device(pdev); | |
1323 | if (rc) { | |
1324 | WL_ERROR(("%s: Cannot enable device %d-%d_%d\n", __func__, | |
1325 | pdev->bus->number, PCI_SLOT(pdev->devfn), | |
1326 | PCI_FUNC(pdev->devfn))); | |
90ea2296 | 1327 | return -ENODEV; |
a9533e7e HP |
1328 | } |
1329 | pci_set_master(pdev); | |
1330 | ||
1331 | pci_read_config_dword(pdev, 0x40, &val); | |
1332 | if ((val & 0x0000ff00) != 0) | |
1333 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); | |
1334 | ||
1335 | hw = ieee80211_alloc_hw(sizeof(wl_info_t), &wl_ops); | |
1336 | if (!hw) { | |
1337 | WL_ERROR(("%s: ieee80211_alloc_hw failed\n", __func__)); | |
1338 | rc = -ENOMEM; | |
1339 | goto err_1; | |
1340 | } | |
1341 | ||
1342 | SET_IEEE80211_DEV(hw, &pdev->dev); | |
1343 | ||
1344 | pci_set_drvdata(pdev, hw); | |
1345 | ||
1346 | bzero(hw->priv, sizeof(*wl)); | |
1347 | ||
1348 | wl = wl_attach(pdev->vendor, pdev->device, pci_resource_start(pdev, 0), | |
1349 | PCI_BUS, pdev, pdev->irq); | |
1350 | ||
683b505b BR |
1351 | if (!wl) { |
1352 | WL_ERROR(("%s: %s: wl_attach failed!\n", | |
1353 | KBUILD_MODNAME, __func__)); | |
1354 | return -ENODEV; | |
1355 | } | |
a9533e7e HP |
1356 | return 0; |
1357 | err_1: | |
1358 | WL_ERROR(("%s: err_1: Major hoarkage\n", __func__)); | |
1359 | return 0; | |
1360 | } | |
1361 | ||
1362 | #ifdef LINUXSTA_PS | |
878a6673 | 1363 | static int wl_suspend(struct pci_dev *pdev, pm_message_t state) |
a9533e7e HP |
1364 | { |
1365 | wl_info_t *wl; | |
1366 | struct ieee80211_hw *hw; | |
1367 | ||
1368 | WL_TRACE(("wl: wl_suspend\n")); | |
1369 | ||
1370 | hw = pci_get_drvdata(pdev); | |
1371 | wl = HW_TO_WL(hw); | |
1372 | if (!wl) { | |
1373 | WL_ERROR(("wl: wl_suspend: pci_get_drvdata failed\n")); | |
1374 | return -ENODEV; | |
1375 | } | |
1376 | ||
1377 | WL_LOCK(wl); | |
1378 | wl_down(wl); | |
0965ae88 | 1379 | wl->pub->hw_up = false; |
a9533e7e | 1380 | WL_UNLOCK(wl); |
8ba9cfdb | 1381 | pci_save_state(pdev, wl->pci_psstate); |
a9533e7e HP |
1382 | pci_disable_device(pdev); |
1383 | return pci_set_power_state(pdev, PCI_D3hot); | |
1384 | } | |
1385 | ||
1386 | static int wl_resume(struct pci_dev *pdev) | |
1387 | { | |
1388 | wl_info_t *wl; | |
1389 | struct ieee80211_hw *hw; | |
1390 | int err = 0; | |
66cbd3ab | 1391 | u32 val; |
a9533e7e HP |
1392 | |
1393 | WL_TRACE(("wl: wl_resume\n")); | |
1394 | hw = pci_get_drvdata(pdev); | |
1395 | wl = HW_TO_WL(hw); | |
1396 | if (!wl) { | |
1397 | WL_ERROR(("wl: wl_resume: pci_get_drvdata failed\n")); | |
1398 | return -ENODEV; | |
1399 | } | |
1400 | ||
1401 | err = pci_set_power_state(pdev, PCI_D0); | |
1402 | if (err) | |
1403 | return err; | |
1404 | ||
8ba9cfdb | 1405 | pci_restore_state(pdev, wl->pci_psstate); |
a9533e7e HP |
1406 | |
1407 | err = pci_enable_device(pdev); | |
1408 | if (err) | |
1409 | return err; | |
1410 | ||
1411 | pci_set_master(pdev); | |
1412 | ||
1413 | pci_read_config_dword(pdev, 0x40, &val); | |
1414 | if ((val & 0x0000ff00) != 0) | |
1415 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); | |
1416 | ||
1417 | WL_LOCK(wl); | |
1418 | err = wl_up(wl); | |
1419 | WL_UNLOCK(wl); | |
1420 | ||
90ea2296 | 1421 | return err; |
a9533e7e HP |
1422 | } |
1423 | #endif /* LINUXSTA_PS */ | |
1424 | ||
6f0c5bcd | 1425 | static void wl_remove(struct pci_dev *pdev) |
a9533e7e HP |
1426 | { |
1427 | wl_info_t *wl; | |
1428 | struct ieee80211_hw *hw; | |
1429 | ||
1430 | hw = pci_get_drvdata(pdev); | |
1431 | wl = HW_TO_WL(hw); | |
1432 | if (!wl) { | |
1433 | WL_ERROR(("wl: wl_remove: pci_get_drvdata failed\n")); | |
1434 | return; | |
1435 | } | |
1436 | if (!wlc_chipmatch(pdev->vendor, pdev->device)) { | |
1437 | WL_ERROR(("wl: wl_remove: wlc_chipmatch failed\n")); | |
1438 | return; | |
1439 | } | |
683b505b BR |
1440 | if (wl->wlc) { |
1441 | ieee80211_unregister_hw(hw); | |
1442 | WL_LOCK(wl); | |
1443 | wl_down(wl); | |
1444 | WL_UNLOCK(wl); | |
1445 | WL_NONE(("%s: Down\n", __func__)); | |
1446 | } | |
a9533e7e HP |
1447 | pci_disable_device(pdev); |
1448 | ||
1449 | wl_free(wl); | |
1450 | ||
1451 | pci_set_drvdata(pdev, NULL); | |
1452 | ieee80211_free_hw(hw); | |
1453 | } | |
1454 | ||
1455 | static struct pci_driver wl_pci_driver = { | |
5fee2540 JC |
1456 | .name = "brcm80211", |
1457 | .probe = wl_pci_probe, | |
a9533e7e | 1458 | #ifdef LINUXSTA_PS |
5fee2540 JC |
1459 | .suspend = wl_suspend, |
1460 | .resume = wl_resume, | |
a9533e7e | 1461 | #endif /* LINUXSTA_PS */ |
5fee2540 JC |
1462 | .remove = __devexit_p(wl_remove), |
1463 | .id_table = wl_id_table, | |
a9533e7e HP |
1464 | }; |
1465 | #endif /* !BCMSDIO */ | |
1466 | ||
1467 | /** | |
1468 | * This is the main entry point for the WL driver. | |
1469 | * | |
1470 | * This function determines if a device pointed to by pdev is a WL device, | |
1471 | * and if so, performs a wl_attach() on it. | |
1472 | * | |
1473 | */ | |
1474 | static int __init wl_module_init(void) | |
1475 | { | |
1476 | int error = -ENODEV; | |
1477 | ||
1478 | #ifdef BCMDBG | |
1479 | if (msglevel != 0xdeadbeef) | |
1480 | wl_msg_level = msglevel; | |
1481 | else { | |
1482 | char *var = getvar(NULL, "wl_msglevel"); | |
1483 | if (var) | |
48c51a8c | 1484 | wl_msg_level = simple_strtoul(var, NULL, 0); |
a9533e7e HP |
1485 | } |
1486 | #ifndef WLC_HIGH_ONLY | |
1487 | { | |
66cbd3ab | 1488 | extern u32 phyhal_msg_level; |
a9533e7e HP |
1489 | |
1490 | if (phymsglevel != 0xdeadbeef) | |
1491 | phyhal_msg_level = phymsglevel; | |
1492 | else { | |
1493 | char *var = getvar(NULL, "phy_msglevel"); | |
1494 | if (var) | |
48c51a8c | 1495 | phyhal_msg_level = simple_strtoul(var, NULL, 0); |
a9533e7e HP |
1496 | } |
1497 | } | |
1498 | #endif /* WLC_HIGH_ONLY */ | |
1499 | #endif /* BCMDBG */ | |
1500 | ||
1501 | #ifndef BCMSDIO | |
8ba9cfdb | 1502 | error = pci_register_driver(&wl_pci_driver); |
ca8c1e59 | 1503 | if (!error) |
90ea2296 | 1504 | return 0; |
a9533e7e HP |
1505 | |
1506 | #endif /* !BCMSDIO */ | |
1507 | ||
1508 | #ifdef WLC_HIGH_ONLY | |
1509 | /* BMAC_NOTE: define hardcode number, why NODEVICE is ok ? */ | |
1510 | error = | |
1511 | dbus_register(BCM_DNGL_VID, 0, wl_dbus_probe_cb, | |
1512 | wl_dbus_disconnect_cb, NULL, NULL, NULL); | |
1513 | if (error == DBUS_ERR_NODEVICE) { | |
1514 | error = DBUS_OK; | |
1515 | } | |
1516 | #endif /* WLC_HIGH_ONLY */ | |
1517 | ||
90ea2296 | 1518 | return error; |
a9533e7e HP |
1519 | } |
1520 | ||
1521 | /** | |
1522 | * This function unloads the WL driver from the system. | |
1523 | * | |
1524 | * This function unconditionally unloads the WL driver module from the | |
1525 | * system. | |
1526 | * | |
1527 | */ | |
1528 | static void __exit wl_module_exit(void) | |
1529 | { | |
1530 | #ifndef BCMSDIO | |
1531 | pci_unregister_driver(&wl_pci_driver); | |
1532 | #endif /* !BCMSDIO */ | |
1533 | ||
1534 | #ifdef WLC_HIGH_ONLY | |
1535 | dbus_deregister(); | |
1536 | #endif /* WLC_HIGH_ONLY */ | |
1537 | } | |
1538 | ||
1539 | module_init(wl_module_init); | |
1540 | module_exit(wl_module_exit); | |
1541 | ||
1542 | /** | |
1543 | * This function frees the WL per-device resources. | |
1544 | * | |
1545 | * This function frees resources owned by the WL device pointed to | |
1546 | * by the wl parameter. | |
1547 | * | |
1548 | */ | |
7cc4a4c0 | 1549 | void wl_free(wl_info_t *wl) |
a9533e7e HP |
1550 | { |
1551 | wl_timer_t *t, *next; | |
1552 | osl_t *osh; | |
1553 | ||
1554 | ASSERT(wl); | |
1555 | #ifndef WLC_HIGH_ONLY | |
a9533e7e HP |
1556 | /* free ucode data */ |
1557 | if (wl->fw.fw_cnt) | |
1558 | wl_ucode_data_free(); | |
a9533e7e HP |
1559 | if (wl->irq) |
1560 | free_irq(wl->irq, wl); | |
1561 | #endif | |
1562 | ||
1563 | /* kill dpc */ | |
1564 | tasklet_kill(&wl->tasklet); | |
1565 | ||
1566 | if (wl->pub) { | |
1567 | wlc_module_unregister(wl->pub, "linux", wl); | |
1568 | } | |
1569 | ||
1570 | /* free common resources */ | |
1571 | if (wl->wlc) { | |
1572 | wlc_detach(wl->wlc); | |
1573 | wl->wlc = NULL; | |
1574 | wl->pub = NULL; | |
1575 | } | |
1576 | ||
1577 | /* virtual interface deletion is deferred so we cannot spinwait */ | |
1578 | ||
1579 | /* wait for all pending callbacks to complete */ | |
1580 | while (atomic_read(&wl->callbacks) > 0) | |
1581 | schedule(); | |
1582 | ||
1583 | /* free timers */ | |
1584 | for (t = wl->timers; t; t = next) { | |
1585 | next = t->next; | |
1586 | #ifdef BCMDBG | |
1587 | if (t->name) | |
182acb3c | 1588 | kfree(t->name); |
a9533e7e | 1589 | #endif |
182acb3c | 1590 | kfree(t); |
a9533e7e HP |
1591 | } |
1592 | ||
a9533e7e HP |
1593 | osh = wl->osh; |
1594 | ||
1595 | /* | |
1596 | * unregister_netdev() calls get_stats() which may read chip registers | |
1597 | * so we cannot unmap the chip registers until after calling unregister_netdev() . | |
1598 | */ | |
1599 | if (wl->regsva && BUSTYPE(wl->bcm_bustype) != SDIO_BUS && | |
1600 | BUSTYPE(wl->bcm_bustype) != JTAG_BUS) { | |
1601 | iounmap((void *)wl->regsva); | |
1602 | } | |
1603 | wl->regsva = NULL; | |
1604 | ||
1605 | #ifdef WLC_HIGH_ONLY | |
1606 | wl_rpcq_free(wl); | |
1607 | ||
1608 | wl_txq_free(wl); | |
1609 | ||
1610 | if (wl->rpc) { | |
1611 | bcm_rpc_detach(wl->rpc); | |
1612 | wl->rpc = NULL; | |
1613 | } | |
1614 | ||
1615 | if (wl->rpc_th) { | |
1616 | bcm_rpc_tp_detach(wl->rpc_th); | |
1617 | wl->rpc_th = NULL; | |
1618 | } | |
1619 | #endif /* WLC_HIGH_ONLY */ | |
1620 | ||
a9533e7e HP |
1621 | osl_detach(osh); |
1622 | } | |
1623 | ||
1624 | #ifdef WLC_LOW | |
1625 | /* transmit a packet */ | |
7cc4a4c0 | 1626 | static int BCMFASTPATH wl_start(struct sk_buff *skb, wl_info_t *wl) |
a9533e7e HP |
1627 | { |
1628 | if (!wl) | |
1629 | return -ENETDOWN; | |
1630 | ||
1631 | return wl_start_int(wl, WL_TO_HW(wl), skb); | |
1632 | } | |
1633 | #endif /* WLC_LOW */ | |
1634 | ||
1635 | static int BCMFASTPATH | |
7cc4a4c0 | 1636 | wl_start_int(wl_info_t *wl, struct ieee80211_hw *hw, struct sk_buff *skb) |
a9533e7e HP |
1637 | { |
1638 | #ifdef WLC_HIGH_ONLY | |
1639 | WL_LOCK(wl); | |
1640 | #endif | |
1641 | wlc_sendpkt_mac80211(wl->wlc, skb, hw); | |
1642 | #ifdef WLC_HIGH_ONLY | |
1643 | WL_UNLOCK(wl); | |
1644 | #endif | |
90ea2296 | 1645 | return NETDEV_TX_OK; |
a9533e7e HP |
1646 | } |
1647 | ||
7cc4a4c0 | 1648 | void wl_txflowcontrol(wl_info_t *wl, struct wl_if *wlif, bool state, int prio) |
a9533e7e HP |
1649 | { |
1650 | WL_ERROR(("Shouldn't be here %s\n", __func__)); | |
1651 | } | |
1652 | ||
1653 | #if defined(WLC_HIGH_ONLY) | |
1654 | /* Schedule a completion handler to run at safe time */ | |
1655 | static int | |
7cc4a4c0 | 1656 | wl_schedule_task(wl_info_t *wl, void (*fn) (struct wl_task *task), |
a9533e7e HP |
1657 | void *context) |
1658 | { | |
1659 | wl_task_t *task; | |
1660 | ||
1661 | WL_TRACE(("wl%d: wl_schedule_task\n", wl->pub->unit)); | |
1662 | ||
5fcc1fcb | 1663 | task = kmalloc(sizeof(wl_task_t), GFP_ATOMIC); |
ca8c1e59 | 1664 | if (!task) { |
97e17d0e | 1665 | WL_ERROR(("wl%d: wl_schedule_task: out of memory\n", wl->pub->unit)); |
a9533e7e HP |
1666 | return -ENOMEM; |
1667 | } | |
1668 | ||
364eb72a | 1669 | INIT_WORK(&task->work, (work_func_t) fn); |
a9533e7e HP |
1670 | task->context = context; |
1671 | ||
1672 | if (!schedule_work(&task->work)) { | |
1673 | WL_ERROR(("wl%d: schedule_work() failed\n", wl->pub->unit)); | |
182acb3c | 1674 | kfree(task); |
a9533e7e HP |
1675 | return -ENOMEM; |
1676 | } | |
1677 | ||
1678 | atomic_inc(&wl->callbacks); | |
1679 | ||
1680 | return 0; | |
1681 | } | |
1682 | #endif /* defined(WLC_HIGH_ONLY) */ | |
1683 | ||
7cc4a4c0 | 1684 | void wl_init(wl_info_t *wl) |
a9533e7e HP |
1685 | { |
1686 | WL_TRACE(("wl%d: wl_init\n", wl->pub->unit)); | |
1687 | ||
1688 | wl_reset(wl); | |
1689 | ||
1690 | wlc_init(wl->wlc); | |
1691 | } | |
1692 | ||
7cc4a4c0 | 1693 | uint wl_reset(wl_info_t *wl) |
a9533e7e HP |
1694 | { |
1695 | WL_TRACE(("wl%d: wl_reset\n", wl->pub->unit)); | |
1696 | ||
1697 | wlc_reset(wl->wlc); | |
1698 | ||
1699 | /* dpc will not be rescheduled */ | |
1700 | wl->resched = 0; | |
1701 | ||
90ea2296 | 1702 | return 0; |
a9533e7e HP |
1703 | } |
1704 | ||
1705 | /* | |
1706 | * These are interrupt on/off entry points. Disable interrupts | |
1707 | * during interrupt state transition. | |
1708 | */ | |
7cc4a4c0 | 1709 | void BCMFASTPATH wl_intrson(wl_info_t *wl) |
a9533e7e HP |
1710 | { |
1711 | #if defined(WLC_LOW) | |
1712 | unsigned long flags; | |
1713 | ||
1714 | INT_LOCK(wl, flags); | |
1715 | wlc_intrson(wl->wlc); | |
1716 | INT_UNLOCK(wl, flags); | |
1717 | #endif /* WLC_LOW */ | |
1718 | } | |
1719 | ||
7cc4a4c0 | 1720 | bool wl_alloc_dma_resources(wl_info_t *wl, uint addrwidth) |
a9533e7e | 1721 | { |
0f0881b0 | 1722 | return true; |
a9533e7e HP |
1723 | } |
1724 | ||
66cbd3ab | 1725 | u32 BCMFASTPATH wl_intrsoff(wl_info_t *wl) |
a9533e7e HP |
1726 | { |
1727 | #if defined(WLC_LOW) | |
1728 | unsigned long flags; | |
66cbd3ab | 1729 | u32 status; |
a9533e7e HP |
1730 | |
1731 | INT_LOCK(wl, flags); | |
1732 | status = wlc_intrsoff(wl->wlc); | |
1733 | INT_UNLOCK(wl, flags); | |
1734 | return status; | |
1735 | #else | |
1736 | return 0; | |
1737 | #endif /* WLC_LOW */ | |
1738 | } | |
1739 | ||
66cbd3ab | 1740 | void wl_intrsrestore(wl_info_t *wl, u32 macintmask) |
a9533e7e HP |
1741 | { |
1742 | #if defined(WLC_LOW) | |
1743 | unsigned long flags; | |
1744 | ||
1745 | INT_LOCK(wl, flags); | |
1746 | wlc_intrsrestore(wl->wlc, macintmask); | |
1747 | INT_UNLOCK(wl, flags); | |
1748 | #endif /* WLC_LOW */ | |
1749 | } | |
1750 | ||
7cc4a4c0 | 1751 | int wl_up(wl_info_t *wl) |
a9533e7e HP |
1752 | { |
1753 | int error = 0; | |
1754 | ||
1755 | if (wl->pub->up) | |
90ea2296 | 1756 | return 0; |
a9533e7e HP |
1757 | |
1758 | error = wlc_up(wl->wlc); | |
1759 | ||
90ea2296 | 1760 | return error; |
a9533e7e HP |
1761 | } |
1762 | ||
7cc4a4c0 | 1763 | void wl_down(wl_info_t *wl) |
a9533e7e HP |
1764 | { |
1765 | uint callbacks, ret_val = 0; | |
1766 | ||
1767 | /* call common down function */ | |
1768 | ret_val = wlc_down(wl->wlc); | |
1769 | callbacks = atomic_read(&wl->callbacks) - ret_val; | |
1770 | ||
1771 | /* wait for down callbacks to complete */ | |
1772 | WL_UNLOCK(wl); | |
1773 | ||
1774 | #ifndef WLC_HIGH_ONLY | |
1775 | /* For HIGH_only driver, it's important to actually schedule other work, | |
1776 | * not just spin wait since everything runs at schedule level | |
1777 | */ | |
1778 | SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000); | |
1779 | #endif /* WLC_HIGH_ONLY */ | |
1780 | ||
1781 | WL_LOCK(wl); | |
1782 | } | |
1783 | ||
1784 | irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id) | |
1785 | { | |
1786 | #if defined(WLC_LOW) | |
1787 | wl_info_t *wl; | |
1788 | bool ours, wantdpc; | |
1789 | unsigned long flags; | |
1790 | ||
1791 | wl = (wl_info_t *) dev_id; | |
1792 | ||
1793 | WL_ISRLOCK(wl, flags); | |
1794 | ||
1795 | /* call common first level interrupt handler */ | |
ca8c1e59 JC |
1796 | ours = wlc_isr(wl->wlc, &wantdpc); |
1797 | if (ours) { | |
a9533e7e HP |
1798 | /* if more to do... */ |
1799 | if (wantdpc) { | |
1800 | ||
1801 | /* ...and call the second level interrupt handler */ | |
1802 | /* schedule dpc */ | |
0965ae88 | 1803 | ASSERT(wl->resched == false); |
a9533e7e HP |
1804 | tasklet_schedule(&wl->tasklet); |
1805 | } | |
1806 | } | |
1807 | ||
1808 | WL_ISRUNLOCK(wl, flags); | |
1809 | ||
1810 | return IRQ_RETVAL(ours); | |
1811 | #else | |
1812 | return IRQ_RETVAL(0); | |
1813 | #endif /* WLC_LOW */ | |
1814 | } | |
1815 | ||
3deea904 | 1816 | static void BCMFASTPATH wl_dpc(unsigned long data) |
a9533e7e HP |
1817 | { |
1818 | #ifdef WLC_LOW | |
1819 | wl_info_t *wl; | |
1820 | ||
1821 | wl = (wl_info_t *) data; | |
1822 | ||
1823 | WL_LOCK(wl); | |
1824 | ||
1825 | /* call the common second level interrupt handler */ | |
1826 | if (wl->pub->up) { | |
1827 | if (wl->resched) { | |
1828 | unsigned long flags; | |
1829 | ||
1830 | INT_LOCK(wl, flags); | |
1831 | wlc_intrsupd(wl->wlc); | |
1832 | INT_UNLOCK(wl, flags); | |
1833 | } | |
1834 | ||
0f0881b0 | 1835 | wl->resched = wlc_dpc(wl->wlc, true); |
a9533e7e HP |
1836 | } |
1837 | ||
1838 | /* wlc_dpc() may bring the driver down */ | |
1839 | if (!wl->pub->up) | |
1840 | goto done; | |
1841 | ||
1842 | /* re-schedule dpc */ | |
1843 | if (wl->resched) | |
1844 | tasklet_schedule(&wl->tasklet); | |
1845 | else { | |
1846 | /* re-enable interrupts */ | |
1847 | wl_intrson(wl); | |
1848 | } | |
1849 | ||
1850 | done: | |
1851 | WL_UNLOCK(wl); | |
1852 | #endif /* WLC_LOW */ | |
1853 | } | |
1854 | ||
7cc4a4c0 | 1855 | static void wl_link_up(wl_info_t *wl, char *ifname) |
a9533e7e HP |
1856 | { |
1857 | WL_ERROR(("wl%d: link up (%s)\n", wl->pub->unit, ifname)); | |
1858 | } | |
1859 | ||
7cc4a4c0 | 1860 | static void wl_link_down(wl_info_t *wl, char *ifname) |
a9533e7e HP |
1861 | { |
1862 | WL_ERROR(("wl%d: link down (%s)\n", wl->pub->unit, ifname)); | |
1863 | } | |
1864 | ||
7cc4a4c0 | 1865 | void wl_event(wl_info_t *wl, char *ifname, wlc_event_t *e) |
a9533e7e HP |
1866 | { |
1867 | ||
1868 | switch (e->event.event_type) { | |
1869 | case WLC_E_LINK: | |
1870 | case WLC_E_NDIS_LINK: | |
1871 | if (e->event.flags & WLC_EVENT_MSG_LINK) | |
1872 | wl_link_up(wl, ifname); | |
1873 | else | |
1874 | wl_link_down(wl, ifname); | |
1875 | break; | |
1876 | case WLC_E_RADIO: | |
1877 | break; | |
1878 | } | |
1879 | } | |
1880 | ||
3deea904 | 1881 | static void wl_timer(unsigned long data) |
a9533e7e HP |
1882 | { |
1883 | #ifndef WLC_HIGH_ONLY | |
1884 | _wl_timer((wl_timer_t *) data); | |
1885 | #else | |
1886 | wl_timer_t *t = (wl_timer_t *) data; | |
1887 | wl_schedule_task(t->wl, wl_timer_task, t); | |
1888 | #endif /* WLC_HIGH_ONLY */ | |
1889 | } | |
1890 | ||
7cc4a4c0 | 1891 | static void _wl_timer(wl_timer_t *t) |
a9533e7e HP |
1892 | { |
1893 | WL_LOCK(t->wl); | |
1894 | ||
1895 | if (t->set) { | |
1896 | if (t->periodic) { | |
1897 | t->timer.expires = jiffies + t->ms * HZ / 1000; | |
1898 | atomic_inc(&t->wl->callbacks); | |
1899 | add_timer(&t->timer); | |
0f0881b0 | 1900 | t->set = true; |
a9533e7e | 1901 | } else |
0965ae88 | 1902 | t->set = false; |
a9533e7e HP |
1903 | |
1904 | t->fn(t->arg); | |
1905 | } | |
1906 | ||
1907 | atomic_dec(&t->wl->callbacks); | |
1908 | ||
1909 | WL_UNLOCK(t->wl); | |
1910 | } | |
1911 | ||
7cc4a4c0 | 1912 | wl_timer_t *wl_init_timer(wl_info_t *wl, void (*fn) (void *arg), void *arg, |
a9533e7e HP |
1913 | const char *name) |
1914 | { | |
1915 | wl_timer_t *t; | |
1916 | ||
5fcc1fcb | 1917 | t = kmalloc(sizeof(wl_timer_t), GFP_ATOMIC); |
ca8c1e59 | 1918 | if (!t) { |
97e17d0e | 1919 | WL_ERROR(("wl%d: wl_init_timer: out of memory\n", wl->pub->unit)); |
a9533e7e HP |
1920 | return 0; |
1921 | } | |
1922 | ||
1923 | bzero(t, sizeof(wl_timer_t)); | |
1924 | ||
1925 | init_timer(&t->timer); | |
3deea904 | 1926 | t->timer.data = (unsigned long) t; |
a9533e7e HP |
1927 | t->timer.function = wl_timer; |
1928 | t->wl = wl; | |
1929 | t->fn = fn; | |
1930 | t->arg = arg; | |
1931 | t->next = wl->timers; | |
1932 | wl->timers = t; | |
1933 | ||
1934 | #ifdef BCMDBG | |
5fcc1fcb | 1935 | t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC); |
ca8c1e59 | 1936 | if (t->name) |
a9533e7e HP |
1937 | strcpy(t->name, name); |
1938 | #endif | |
1939 | ||
1940 | return t; | |
1941 | } | |
1942 | ||
1943 | /* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate | |
1944 | * as well as it's easier to make it periodic | |
1945 | */ | |
7cc4a4c0 | 1946 | void wl_add_timer(wl_info_t *wl, wl_timer_t *t, uint ms, int periodic) |
a9533e7e HP |
1947 | { |
1948 | #ifdef BCMDBG | |
1949 | if (t->set) { | |
1950 | WL_ERROR(("%s: Already set. Name: %s, per %d\n", | |
1951 | __func__, t->name, periodic)); | |
1952 | } | |
1953 | #endif | |
1954 | ASSERT(!t->set); | |
1955 | ||
1956 | t->ms = ms; | |
1957 | t->periodic = (bool) periodic; | |
0f0881b0 | 1958 | t->set = true; |
a9533e7e HP |
1959 | t->timer.expires = jiffies + ms * HZ / 1000; |
1960 | ||
1961 | atomic_inc(&wl->callbacks); | |
1962 | add_timer(&t->timer); | |
1963 | } | |
1964 | ||
0965ae88 | 1965 | /* return true if timer successfully deleted, false if still pending */ |
7cc4a4c0 | 1966 | bool wl_del_timer(wl_info_t *wl, wl_timer_t *t) |
a9533e7e HP |
1967 | { |
1968 | if (t->set) { | |
0965ae88 | 1969 | t->set = false; |
a9533e7e | 1970 | if (!del_timer(&t->timer)) { |
0965ae88 | 1971 | return false; |
a9533e7e HP |
1972 | } |
1973 | atomic_dec(&wl->callbacks); | |
1974 | } | |
1975 | ||
0f0881b0 | 1976 | return true; |
a9533e7e HP |
1977 | } |
1978 | ||
7cc4a4c0 | 1979 | void wl_free_timer(wl_info_t *wl, wl_timer_t *t) |
a9533e7e HP |
1980 | { |
1981 | wl_timer_t *tmp; | |
1982 | ||
1983 | /* delete the timer in case it is active */ | |
1984 | wl_del_timer(wl, t); | |
1985 | ||
1986 | if (wl->timers == t) { | |
1987 | wl->timers = wl->timers->next; | |
1988 | #ifdef BCMDBG | |
1989 | if (t->name) | |
182acb3c | 1990 | kfree(t->name); |
a9533e7e | 1991 | #endif |
182acb3c | 1992 | kfree(t); |
a9533e7e HP |
1993 | return; |
1994 | ||
1995 | } | |
1996 | ||
1997 | tmp = wl->timers; | |
1998 | while (tmp) { | |
1999 | if (tmp->next == t) { | |
2000 | tmp->next = t->next; | |
2001 | #ifdef BCMDBG | |
2002 | if (t->name) | |
182acb3c | 2003 | kfree(t->name); |
a9533e7e | 2004 | #endif |
182acb3c | 2005 | kfree(t); |
a9533e7e HP |
2006 | return; |
2007 | } | |
2008 | tmp = tmp->next; | |
2009 | } | |
2010 | ||
2011 | } | |
2012 | ||
2013 | static int wl_linux_watchdog(void *ctx) | |
2014 | { | |
2015 | wl_info_t *wl = (wl_info_t *) ctx; | |
2016 | struct net_device_stats *stats = NULL; | |
2017 | uint id; | |
2018 | /* refresh stats */ | |
2019 | if (wl->pub->up) { | |
2020 | ASSERT(wl->stats_id < 2); | |
2021 | ||
2022 | id = 1 - wl->stats_id; | |
2023 | ||
2024 | stats = &wl->stats_watchdog[id]; | |
2025 | stats->rx_packets = WLCNTVAL(wl->pub->_cnt->rxframe); | |
2026 | stats->tx_packets = WLCNTVAL(wl->pub->_cnt->txframe); | |
2027 | stats->rx_bytes = WLCNTVAL(wl->pub->_cnt->rxbyte); | |
2028 | stats->tx_bytes = WLCNTVAL(wl->pub->_cnt->txbyte); | |
2029 | stats->rx_errors = WLCNTVAL(wl->pub->_cnt->rxerror); | |
2030 | stats->tx_errors = WLCNTVAL(wl->pub->_cnt->txerror); | |
2031 | stats->collisions = 0; | |
2032 | ||
2033 | stats->rx_length_errors = 0; | |
2034 | stats->rx_over_errors = WLCNTVAL(wl->pub->_cnt->rxoflo); | |
2035 | stats->rx_crc_errors = WLCNTVAL(wl->pub->_cnt->rxcrc); | |
2036 | stats->rx_frame_errors = 0; | |
2037 | stats->rx_fifo_errors = WLCNTVAL(wl->pub->_cnt->rxoflo); | |
2038 | stats->rx_missed_errors = 0; | |
2039 | ||
2040 | stats->tx_fifo_errors = WLCNTVAL(wl->pub->_cnt->txuflo); | |
2041 | ||
2042 | wl->stats_id = id; | |
2043 | ||
2044 | } | |
2045 | ||
2046 | return 0; | |
2047 | } | |
2048 | ||
2049 | struct wl_fw_hdr { | |
66cbd3ab GKH |
2050 | u32 offset; |
2051 | u32 len; | |
2052 | u32 idx; | |
a9533e7e HP |
2053 | }; |
2054 | ||
2055 | #ifdef WLC_HIGH_ONLY | |
2056 | static void wl_rpc_down(void *wlh) | |
2057 | { | |
2058 | wl_info_t *wl = (wl_info_t *) (wlh); | |
2059 | ||
2060 | wlc_device_removed(wl->wlc); | |
2061 | ||
2062 | wl_rpcq_free(wl); | |
2063 | } | |
2064 | ||
7cc4a4c0 | 2065 | static int BCMFASTPATH wl_start(struct sk_buff *skb, wl_info_t *wl) |
a9533e7e HP |
2066 | { |
2067 | ||
3deea904 | 2068 | unsigned long flags; |
a9533e7e HP |
2069 | |
2070 | skb->prev = NULL; | |
2071 | ||
2072 | /* Lock the queue as tasklet could be running at this time */ | |
2073 | TXQ_LOCK(wl, flags); | |
2074 | if (wl->txq_head == NULL) | |
2075 | wl->txq_head = skb; | |
2076 | else { | |
2077 | wl->txq_tail->prev = skb; | |
2078 | } | |
2079 | wl->txq_tail = skb; | |
2080 | ||
0965ae88 | 2081 | if (wl->txq_dispatched == false) { |
0f0881b0 | 2082 | wl->txq_dispatched = true; |
a9533e7e HP |
2083 | |
2084 | if (schedule_work(&wl->txq_task.work)) { | |
2085 | atomic_inc(&wl->callbacks); | |
2086 | } else { | |
2087 | WL_ERROR(("wl%d: wl_start/schedule_work failed\n", | |
2088 | wl->pub->unit)); | |
2089 | } | |
2090 | } | |
2091 | ||
2092 | TXQ_UNLOCK(wl, flags); | |
2093 | ||
90ea2296 | 2094 | return 0; |
a9533e7e HP |
2095 | |
2096 | } | |
2097 | ||
2098 | static void wl_start_txqwork(struct wl_task *task) | |
2099 | { | |
2100 | wl_info_t *wl = (wl_info_t *) task->context; | |
2101 | struct sk_buff *skb; | |
3deea904 | 2102 | unsigned long flags; |
a9533e7e HP |
2103 | uint count = 0; |
2104 | ||
2105 | WL_TRACE(("wl%d: wl_start_txqwork\n", wl->pub->unit)); | |
2106 | ||
2107 | /* First remove an entry then go for execution */ | |
2108 | TXQ_LOCK(wl, flags); | |
2109 | while (wl->txq_head) { | |
2110 | skb = wl->txq_head; | |
2111 | wl->txq_head = skb->prev; | |
2112 | skb->prev = NULL; | |
2113 | if (wl->txq_head == NULL) | |
2114 | wl->txq_tail = NULL; | |
2115 | TXQ_UNLOCK(wl, flags); | |
2116 | ||
2117 | /* it has WL_LOCK/WL_UNLOCK inside */ | |
2118 | wl_start_int(wl, WL_TO_HW(wl), skb); | |
2119 | ||
2120 | /* bounded our execution, reshedule ourself next */ | |
2121 | if (++count >= 10) | |
2122 | break; | |
2123 | ||
2124 | TXQ_LOCK(wl, flags); | |
2125 | } | |
2126 | ||
2127 | if (count >= 10) { | |
2128 | if (!schedule_work(&wl->txq_task.work)) { | |
2129 | WL_ERROR(("wl%d: wl_start/schedule_work failed\n", | |
2130 | wl->pub->unit)); | |
2131 | atomic_dec(&wl->callbacks); | |
2132 | } | |
2133 | } else { | |
0965ae88 | 2134 | wl->txq_dispatched = false; |
a9533e7e HP |
2135 | TXQ_UNLOCK(wl, flags); |
2136 | atomic_dec(&wl->callbacks); | |
2137 | } | |
2138 | ||
2139 | return; | |
2140 | } | |
2141 | ||
7cc4a4c0 | 2142 | static void wl_txq_free(wl_info_t *wl) |
a9533e7e HP |
2143 | { |
2144 | struct sk_buff *skb; | |
2145 | ||
2146 | if (wl->txq_head == NULL) { | |
2147 | ASSERT(wl->txq_tail == NULL); | |
2148 | return; | |
2149 | } | |
2150 | ||
2151 | while (wl->txq_head) { | |
2152 | skb = wl->txq_head; | |
2153 | wl->txq_head = skb->prev; | |
0f0881b0 | 2154 | PKTFREE(wl->osh, skb, true); |
a9533e7e HP |
2155 | } |
2156 | ||
2157 | wl->txq_tail = NULL; | |
2158 | } | |
2159 | ||
7cc4a4c0 | 2160 | static void wl_rpcq_free(wl_info_t *wl) |
a9533e7e HP |
2161 | { |
2162 | rpc_buf_t *buf; | |
2163 | ||
2164 | if (wl->rpcq_head == NULL) { | |
2165 | ASSERT(wl->rpcq_tail == NULL); | |
2166 | return; | |
2167 | } | |
2168 | ||
2169 | while (wl->rpcq_head) { | |
2170 | buf = wl->rpcq_head; | |
2171 | wl->rpcq_head = bcm_rpc_buf_next_get(wl->rpc_th, buf); | |
2172 | bcm_rpc_buf_free(wl->rpc_dispatch_ctx.rpc, buf); | |
2173 | } | |
2174 | ||
2175 | wl->rpcq_tail = NULL; | |
2176 | } | |
2177 | ||
2178 | static void wl_rpcq_dispatch(struct wl_task *task) | |
2179 | { | |
2180 | wl_info_t *wl = (wl_info_t *) task->context; | |
2181 | rpc_buf_t *buf; | |
3deea904 | 2182 | unsigned long flags; |
a9533e7e HP |
2183 | |
2184 | /* First remove an entry then go for execution */ | |
2185 | RPCQ_LOCK(wl, flags); | |
2186 | while (wl->rpcq_head) { | |
2187 | buf = wl->rpcq_head; | |
2188 | wl->rpcq_head = bcm_rpc_buf_next_get(wl->rpc_th, buf); | |
2189 | ||
2190 | if (wl->rpcq_head == NULL) | |
2191 | wl->rpcq_tail = NULL; | |
2192 | RPCQ_UNLOCK(wl, flags); | |
2193 | ||
2194 | WL_LOCK(wl); | |
2195 | wlc_rpc_high_dispatch(&wl->rpc_dispatch_ctx, buf); | |
2196 | WL_UNLOCK(wl); | |
2197 | ||
2198 | RPCQ_LOCK(wl, flags); | |
2199 | } | |
2200 | ||
0965ae88 | 2201 | wl->rpcq_dispatched = false; |
a9533e7e HP |
2202 | |
2203 | RPCQ_UNLOCK(wl, flags); | |
2204 | ||
182acb3c | 2205 | kfree(task); |
a9533e7e HP |
2206 | atomic_dec(&wl->callbacks); |
2207 | } | |
2208 | ||
7cc4a4c0 | 2209 | static void wl_rpcq_add(wl_info_t *wl, rpc_buf_t *buf) |
a9533e7e | 2210 | { |
3deea904 | 2211 | unsigned long flags; |
a9533e7e HP |
2212 | |
2213 | bcm_rpc_buf_next_set(wl->rpc_th, buf, NULL); | |
2214 | ||
2215 | /* Lock the queue as tasklet could be running at this time */ | |
2216 | RPCQ_LOCK(wl, flags); | |
2217 | if (wl->rpcq_head == NULL) | |
2218 | wl->rpcq_head = buf; | |
2219 | else | |
2220 | bcm_rpc_buf_next_set(wl->rpc_th, wl->rpcq_tail, buf); | |
2221 | ||
2222 | wl->rpcq_tail = buf; | |
2223 | ||
0965ae88 | 2224 | if (wl->rpcq_dispatched == false) { |
0f0881b0 | 2225 | wl->rpcq_dispatched = true; |
a9533e7e HP |
2226 | wl_schedule_task(wl, wl_rpcq_dispatch, wl); |
2227 | } | |
2228 | ||
2229 | RPCQ_UNLOCK(wl, flags); | |
2230 | } | |
2231 | ||
2232 | #if defined(BCMDBG) | |
2233 | static const struct name_entry rpc_name_tbl[] = RPC_ID_TABLE; | |
2234 | #endif /* BCMDBG */ | |
2235 | ||
2236 | /* dongle-side rpc dispatch routine */ | |
2237 | static void wl_rpc_dispatch_schedule(void *ctx, struct rpc_buf *buf) | |
2238 | { | |
2239 | bcm_xdr_buf_t b; | |
2240 | wl_info_t *wl = (wl_info_t *) ctx; | |
2241 | wlc_rpc_id_t rpc_id; | |
2242 | int err; | |
2243 | ||
2244 | bcm_xdr_buf_init(&b, bcm_rpc_buf_data(wl->rpc_th, buf), | |
2245 | bcm_rpc_buf_len_get(wl->rpc_th, buf)); | |
2246 | ||
66cbd3ab | 2247 | err = bcm_xdr_unpack_u32(&b, &rpc_id); |
a9533e7e HP |
2248 | ASSERT(!err); |
2249 | WL_TRACE(("%s: Dispatch id %s\n", __func__, | |
2250 | WLC_RPC_ID_LOOKUP(rpc_name_tbl, rpc_id))); | |
2251 | ||
2252 | /* Handle few emergency ones */ | |
2253 | switch (rpc_id) { | |
2254 | default: | |
2255 | wl_rpcq_add(wl, buf); | |
2256 | break; | |
2257 | } | |
2258 | } | |
2259 | ||
7cc4a4c0 | 2260 | static void wl_timer_task(wl_task_t *task) |
a9533e7e HP |
2261 | { |
2262 | wl_timer_t *t = (wl_timer_t *) task->context; | |
2263 | ||
2264 | _wl_timer(t); | |
182acb3c | 2265 | kfree(task); |
a9533e7e HP |
2266 | |
2267 | /* This dec is for the task_schedule. The timer related | |
2268 | * callback is decremented in _wl_timer | |
2269 | */ | |
2270 | atomic_dec(&t->wl->callbacks); | |
2271 | } | |
2272 | #endif /* WLC_HIGH_ONLY */ | |
2273 | ||
2274 | #ifndef WLC_HIGH_ONLY | |
2275 | char *wl_firmwares[WL_MAX_FW] = { | |
2276 | "brcm/bcm43xx", | |
2277 | NULL | |
2278 | }; | |
2279 | ||
2280 | #ifdef WLC_LOW | |
66cbd3ab | 2281 | int wl_ucode_init_buf(wl_info_t *wl, void **pbuf, u32 idx) |
a9533e7e HP |
2282 | { |
2283 | int i, entry; | |
41feb5ed | 2284 | const u8 *pdata; |
a9533e7e HP |
2285 | struct wl_fw_hdr *hdr; |
2286 | for (i = 0; i < wl->fw.fw_cnt; i++) { | |
2287 | hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data; | |
2288 | for (entry = 0; entry < wl->fw.hdr_num_entries[i]; | |
2289 | entry++, hdr++) { | |
2290 | if (hdr->idx == idx) { | |
2291 | pdata = wl->fw.fw_bin[i]->data + hdr->offset; | |
2292 | *pbuf = kmalloc(hdr->len, GFP_ATOMIC); | |
2293 | if (*pbuf == NULL) { | |
2294 | printf("fail to alloc %d bytes\n", | |
2295 | hdr->len); | |
2296 | } | |
2297 | bcopy(pdata, *pbuf, hdr->len); | |
2298 | return 0; | |
2299 | } | |
2300 | } | |
2301 | } | |
2302 | printf("ERROR: ucode buf tag:%d can not be found!\n", idx); | |
2303 | *pbuf = NULL; | |
2304 | return -1; | |
2305 | } | |
2306 | ||
66cbd3ab | 2307 | int wl_ucode_init_uint(wl_info_t *wl, u32 *data, u32 idx) |
a9533e7e HP |
2308 | { |
2309 | int i, entry; | |
41feb5ed | 2310 | const u8 *pdata; |
a9533e7e HP |
2311 | struct wl_fw_hdr *hdr; |
2312 | for (i = 0; i < wl->fw.fw_cnt; i++) { | |
2313 | hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data; | |
2314 | for (entry = 0; entry < wl->fw.hdr_num_entries[i]; | |
2315 | entry++, hdr++) { | |
2316 | if (hdr->idx == idx) { | |
2317 | pdata = wl->fw.fw_bin[i]->data + hdr->offset; | |
2318 | ASSERT(hdr->len == 4); | |
66cbd3ab | 2319 | *data = *((u32 *) pdata); |
a9533e7e HP |
2320 | return 0; |
2321 | } | |
2322 | } | |
2323 | } | |
2324 | printf("ERROR: ucode tag:%d can not be found!\n", idx); | |
2325 | return -1; | |
2326 | } | |
2327 | #endif /* WLC_LOW */ | |
2328 | ||
7cc4a4c0 | 2329 | static int wl_request_fw(wl_info_t *wl, struct pci_dev *pdev) |
a9533e7e HP |
2330 | { |
2331 | int status; | |
2332 | struct device *device = &pdev->dev; | |
2333 | char fw_name[100]; | |
2334 | int i; | |
2335 | ||
2336 | bzero((void *)&wl->fw, sizeof(struct wl_firmware)); | |
2337 | for (i = 0; i < WL_MAX_FW; i++) { | |
2338 | if (wl_firmwares[i] == NULL) | |
2339 | break; | |
2340 | sprintf(fw_name, "%s-%d.fw", wl_firmwares[i], | |
2341 | UCODE_LOADER_API_VER); | |
2342 | WL_NONE(("request fw %s\n", fw_name)); | |
2343 | status = request_firmware(&wl->fw.fw_bin[i], fw_name, device); | |
2344 | if (status) { | |
683b505b BR |
2345 | printf("%s: fail to load firmware %s\n", |
2346 | KBUILD_MODNAME, fw_name); | |
eb4764c3 | 2347 | wl_release_fw(wl); |
a9533e7e HP |
2348 | return status; |
2349 | } | |
2350 | WL_NONE(("request fw %s\n", fw_name)); | |
2351 | sprintf(fw_name, "%s_hdr-%d.fw", wl_firmwares[i], | |
2352 | UCODE_LOADER_API_VER); | |
2353 | status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device); | |
2354 | if (status) { | |
683b505b BR |
2355 | printf("%s: fail to load firmware %s\n", |
2356 | KBUILD_MODNAME, fw_name); | |
eb4764c3 | 2357 | wl_release_fw(wl); |
a9533e7e HP |
2358 | return status; |
2359 | } | |
2360 | wl->fw.hdr_num_entries[i] = | |
2361 | wl->fw.fw_hdr[i]->size / (sizeof(struct wl_fw_hdr)); | |
2362 | WL_NONE(("request fw %s find: %d entries\n", fw_name, | |
2363 | wl->fw.hdr_num_entries[i])); | |
2364 | } | |
2365 | wl->fw.fw_cnt = i; | |
2366 | wl_ucode_data_init(wl); | |
2367 | return 0; | |
2368 | } | |
2369 | ||
2370 | #ifdef WLC_LOW | |
2371 | void wl_ucode_free_buf(void *p) | |
2372 | { | |
2373 | kfree(p); | |
2374 | } | |
2375 | #endif /* WLC_LOW */ | |
2376 | ||
7cc4a4c0 | 2377 | static void wl_release_fw(wl_info_t *wl) |
a9533e7e HP |
2378 | { |
2379 | int i; | |
eb4764c3 | 2380 | for (i = 0; i < WL_MAX_FW; i++) { |
a9533e7e HP |
2381 | release_firmware(wl->fw.fw_bin[i]); |
2382 | release_firmware(wl->fw.fw_hdr[i]); | |
2383 | } | |
2384 | } | |
2385 | #endif /* WLC_HIGH_ONLY */ |