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 | 32 | #include <phy_version.h> |
a9533e7e HP |
33 | #include <bcmutils.h> |
34 | #include <pcicfg.h> | |
35 | #include <wlioctl.h> | |
36 | #include <wlc_key.h> | |
a52ba66c BR |
37 | #include <sbhndpio.h> |
38 | #include <sbhnddma.h> | |
a9533e7e HP |
39 | #include <wlc_channel.h> |
40 | #include <wlc_pub.h> | |
41 | #include <wlc_scb.h> | |
42 | #include <wl_dbg.h> | |
a9533e7e | 43 | #include <wl_export.h> |
a9533e7e HP |
44 | |
45 | #include <wl_mac80211.h> | |
46 | #include <linux/firmware.h> | |
a9533e7e HP |
47 | #include <wl_ucode.h> |
48 | #include <d11ucode_ext.h> | |
a9533e7e | 49 | |
a9533e7e | 50 | |
3deea904 | 51 | static void wl_timer(unsigned long data); |
7cc4a4c0 | 52 | static void _wl_timer(wl_timer_t *t); |
a9533e7e | 53 | |
a9533e7e HP |
54 | |
55 | static int ieee_hw_init(struct ieee80211_hw *hw); | |
56 | static int ieee_hw_rate_init(struct ieee80211_hw *hw); | |
57 | ||
58 | static int wl_linux_watchdog(void *ctx); | |
59 | ||
60 | /* Flags we support */ | |
61 | #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \ | |
62 | FIF_ALLMULTI | \ | |
63 | FIF_FCSFAIL | \ | |
64 | FIF_PLCPFAIL | \ | |
65 | FIF_CONTROL | \ | |
66 | FIF_OTHER_BSS | \ | |
67 | FIF_BCN_PRBRESP_PROMISC) | |
68 | ||
7e85c729 | 69 | static int wl_found; |
a9533e7e HP |
70 | |
71 | struct ieee80211_tkip_data { | |
72 | #define TKIP_KEY_LEN 32 | |
73 | u8 key[TKIP_KEY_LEN]; | |
74 | int key_set; | |
75 | ||
76 | u32 tx_iv32; | |
77 | u16 tx_iv16; | |
78 | u16 tx_ttak[5]; | |
79 | int tx_phase1_done; | |
80 | ||
81 | u32 rx_iv32; | |
82 | u16 rx_iv16; | |
83 | u16 rx_ttak[5]; | |
84 | int rx_phase1_done; | |
85 | u32 rx_iv32_new; | |
86 | u16 rx_iv16_new; | |
87 | ||
88 | u32 dot11RSNAStatsTKIPReplays; | |
89 | u32 dot11RSNAStatsTKIPICVErrors; | |
90 | u32 dot11RSNAStatsTKIPLocalMICFailures; | |
91 | ||
92 | int key_idx; | |
93 | ||
94 | struct crypto_tfm *tfm_arc4; | |
95 | struct crypto_tfm *tfm_michael; | |
96 | ||
97 | /* scratch buffers for virt_to_page() (crypto API) */ | |
98 | u8 rx_hdr[16], tx_hdr[16]; | |
99 | }; | |
100 | ||
1a3bf747 | 101 | #define WL_DEV_IF(dev) ((wl_if_t *)netdev_priv(dev)) |
39dcff3f | 102 | #define WL_INFO(dev) ((wl_info_t *)(WL_DEV_IF(dev)->wl)) /* points to wl */ |
7cc4a4c0 JC |
103 | static int wl_request_fw(wl_info_t *wl, struct pci_dev *pdev); |
104 | static void wl_release_fw(wl_info_t *wl); | |
a9533e7e HP |
105 | |
106 | /* local prototypes */ | |
7cc4a4c0 JC |
107 | static int wl_start(struct sk_buff *skb, wl_info_t *wl); |
108 | static int wl_start_int(wl_info_t *wl, struct ieee80211_hw *hw, | |
a9533e7e | 109 | struct sk_buff *skb); |
3deea904 | 110 | static void wl_dpc(unsigned long data); |
a9533e7e HP |
111 | |
112 | MODULE_AUTHOR("Broadcom Corporation"); | |
113 | MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver."); | |
114 | MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards"); | |
115 | MODULE_LICENSE("Dual BSD/GPL"); | |
116 | ||
a9533e7e HP |
117 | /* recognized PCI IDs */ |
118 | static struct pci_device_id wl_id_table[] = { | |
119 | {PCI_VENDOR_ID_BROADCOM, 0x4357, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43225 2G */ | |
120 | {PCI_VENDOR_ID_BROADCOM, 0x4353, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43224 DUAL */ | |
121 | {PCI_VENDOR_ID_BROADCOM, 0x4727, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 4313 DUAL */ | |
122 | {0} | |
123 | }; | |
124 | ||
125 | MODULE_DEVICE_TABLE(pci, wl_id_table); | |
6f0c5bcd | 126 | static void wl_remove(struct pci_dev *pdev); |
a9533e7e | 127 | |
a9533e7e HP |
128 | |
129 | #ifdef BCMDBG | |
130 | static int msglevel = 0xdeadbeef; | |
131 | module_param(msglevel, int, 0); | |
a9533e7e HP |
132 | static int phymsglevel = 0xdeadbeef; |
133 | module_param(phymsglevel, int, 0); | |
a9533e7e HP |
134 | #endif /* BCMDBG */ |
135 | ||
0d706ef4 JC |
136 | #define HW_TO_WL(hw) (hw->priv) |
137 | #define WL_TO_HW(wl) (wl->pub->ieee_hw) | |
a9533e7e | 138 | static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb); |
a9533e7e HP |
139 | static int wl_ops_start(struct ieee80211_hw *hw); |
140 | static void wl_ops_stop(struct ieee80211_hw *hw); | |
141 | static int wl_ops_add_interface(struct ieee80211_hw *hw, | |
142 | struct ieee80211_vif *vif); | |
143 | static void wl_ops_remove_interface(struct ieee80211_hw *hw, | |
144 | struct ieee80211_vif *vif); | |
145 | static int wl_ops_config(struct ieee80211_hw *hw, u32 changed); | |
146 | static void wl_ops_bss_info_changed(struct ieee80211_hw *hw, | |
147 | struct ieee80211_vif *vif, | |
148 | struct ieee80211_bss_conf *info, | |
149 | u32 changed); | |
150 | static void wl_ops_configure_filter(struct ieee80211_hw *hw, | |
151 | unsigned int changed_flags, | |
152 | unsigned int *total_flags, u64 multicast); | |
153 | static int wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, | |
154 | bool set); | |
155 | static void wl_ops_sw_scan_start(struct ieee80211_hw *hw); | |
156 | static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw); | |
157 | static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf); | |
158 | static int wl_ops_get_stats(struct ieee80211_hw *hw, | |
159 | struct ieee80211_low_level_stats *stats); | |
160 | static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value); | |
161 | static void wl_ops_sta_notify(struct ieee80211_hw *hw, | |
162 | struct ieee80211_vif *vif, | |
163 | enum sta_notify_cmd cmd, | |
164 | struct ieee80211_sta *sta); | |
165 | static int wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
166 | const struct ieee80211_tx_queue_params *params); | |
167 | static u64 wl_ops_get_tsf(struct ieee80211_hw *hw); | |
168 | static int wl_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
169 | struct ieee80211_sta *sta); | |
170 | static int wl_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
171 | struct ieee80211_sta *sta); | |
172 | static int wl_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
173 | enum ieee80211_ampdu_mlme_action action, | |
7cc4a4c0 | 174 | struct ieee80211_sta *sta, u16 tid, u16 *ssn); |
a9533e7e | 175 | |
a9533e7e HP |
176 | static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
177 | { | |
178 | int status; | |
179 | wl_info_t *wl = hw->priv; | |
180 | WL_LOCK(wl); | |
181 | if (!wl->pub->up) { | |
182 | WL_ERROR(("ops->tx called while down\n")); | |
183 | status = -ENETDOWN; | |
184 | goto done; | |
185 | } | |
186 | status = wl_start(skb, wl); | |
187 | done: | |
188 | WL_UNLOCK(wl); | |
189 | return status; | |
190 | } | |
a9533e7e HP |
191 | |
192 | static int wl_ops_start(struct ieee80211_hw *hw) | |
193 | { | |
194 | wl_info_t *wl = hw->priv; | |
195 | /* struct ieee80211_channel *curchan = hw->conf.channel; */ | |
196 | WL_NONE(("%s : Initial channel: %d\n", __func__, curchan->hw_value)); | |
197 | ||
198 | WL_LOCK(wl); | |
199 | ieee80211_wake_queues(hw); | |
200 | WL_UNLOCK(wl); | |
201 | ||
202 | return 0; | |
203 | } | |
204 | ||
205 | static void wl_ops_stop(struct ieee80211_hw *hw) | |
206 | { | |
207 | wl_info_t *wl = hw->priv; | |
208 | ASSERT(wl); | |
209 | WL_LOCK(wl); | |
210 | wl_down(wl); | |
211 | ieee80211_stop_queues(hw); | |
212 | WL_UNLOCK(wl); | |
213 | ||
214 | return; | |
215 | } | |
216 | ||
217 | static int | |
218 | wl_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
219 | { | |
220 | wl_info_t *wl; | |
221 | int err; | |
222 | ||
223 | /* Just STA for now */ | |
224 | if (vif->type != NL80211_IFTYPE_AP && | |
225 | vif->type != NL80211_IFTYPE_MESH_POINT && | |
226 | vif->type != NL80211_IFTYPE_STATION && | |
227 | vif->type != NL80211_IFTYPE_WDS && | |
228 | vif->type != NL80211_IFTYPE_ADHOC) { | |
229 | WL_ERROR(("%s: Attempt to add type %d, only STA for now\n", | |
230 | __func__, vif->type)); | |
231 | return -EOPNOTSUPP; | |
232 | } | |
233 | ||
234 | wl = HW_TO_WL(hw); | |
235 | WL_LOCK(wl); | |
236 | err = wl_up(wl); | |
237 | WL_UNLOCK(wl); | |
238 | ||
239 | if (err != 0) | |
240 | WL_ERROR(("%s: wl_up() returned %d\n", __func__, err)); | |
241 | return err; | |
242 | } | |
243 | ||
244 | static void | |
245 | wl_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
246 | { | |
247 | return; | |
248 | } | |
249 | ||
250 | static int | |
251 | ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan, | |
252 | enum nl80211_channel_type type) | |
253 | { | |
254 | wl_info_t *wl = HW_TO_WL(hw); | |
255 | int err = 0; | |
256 | ||
257 | switch (type) { | |
258 | case NL80211_CHAN_HT20: | |
259 | case NL80211_CHAN_NO_HT: | |
260 | WL_LOCK(wl); | |
261 | err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value); | |
262 | WL_UNLOCK(wl); | |
263 | break; | |
264 | case NL80211_CHAN_HT40MINUS: | |
265 | case NL80211_CHAN_HT40PLUS: | |
266 | WL_ERROR(("%s: Need to implement 40 Mhz Channels!\n", | |
267 | __func__)); | |
268 | break; | |
269 | } | |
270 | ||
271 | if (err) | |
272 | return -EIO; | |
273 | return err; | |
274 | } | |
275 | ||
276 | static int wl_ops_config(struct ieee80211_hw *hw, u32 changed) | |
277 | { | |
278 | struct ieee80211_conf *conf = &hw->conf; | |
279 | wl_info_t *wl = HW_TO_WL(hw); | |
280 | int err = 0; | |
281 | int new_int; | |
282 | ||
283 | if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { | |
284 | WL_NONE(("%s: Setting listen interval to %d\n", | |
285 | __func__, conf->listen_interval)); | |
286 | if (wlc_iovar_setint | |
287 | (wl->wlc, "bcn_li_bcn", conf->listen_interval)) { | |
288 | WL_ERROR(("%s: Error setting listen_interval\n", | |
289 | __func__)); | |
290 | err = -EIO; | |
291 | goto config_out; | |
292 | } | |
293 | wlc_iovar_getint(wl->wlc, "bcn_li_bcn", &new_int); | |
294 | ASSERT(new_int == conf->listen_interval); | |
295 | } | |
296 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) | |
297 | WL_NONE(("Need to set monitor mode\n")); | |
298 | if (changed & IEEE80211_CONF_CHANGE_PS) | |
299 | WL_NONE(("Need to set Power-save mode\n")); | |
300 | ||
301 | if (changed & IEEE80211_CONF_CHANGE_POWER) { | |
302 | WL_NONE(("%s: Setting tx power to %d dbm\n", __func__, | |
303 | conf->power_level)); | |
304 | if (wlc_iovar_setint | |
305 | (wl->wlc, "qtxpower", conf->power_level * 4)) { | |
306 | WL_ERROR(("%s: Error setting power_level\n", __func__)); | |
307 | err = -EIO; | |
308 | goto config_out; | |
309 | } | |
310 | wlc_iovar_getint(wl->wlc, "qtxpower", &new_int); | |
311 | if (new_int != (conf->power_level * 4)) | |
312 | WL_ERROR(("%s: Power level req != actual, %d %d\n", | |
313 | __func__, conf->power_level * 4, new_int)); | |
314 | } | |
315 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
316 | err = ieee_set_channel(hw, conf->channel, conf->channel_type); | |
317 | } | |
318 | if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { | |
319 | WL_NONE(("%s: srl %d, lrl %d\n", __func__, | |
320 | conf->short_frame_max_tx_count, | |
321 | conf->long_frame_max_tx_count)); | |
322 | if (wlc_set | |
323 | (wl->wlc, WLC_SET_SRL, | |
324 | conf->short_frame_max_tx_count) < 0) { | |
325 | WL_ERROR(("%s: Error setting srl\n", __func__)); | |
326 | err = -EIO; | |
327 | goto config_out; | |
328 | } | |
329 | if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count) | |
330 | < 0) { | |
331 | WL_ERROR(("%s: Error setting lrl\n", __func__)); | |
332 | err = -EIO; | |
333 | goto config_out; | |
334 | } | |
335 | } | |
336 | ||
337 | config_out: | |
338 | return err; | |
339 | } | |
340 | ||
341 | static void | |
342 | wl_ops_bss_info_changed(struct ieee80211_hw *hw, | |
343 | struct ieee80211_vif *vif, | |
344 | struct ieee80211_bss_conf *info, u32 changed) | |
345 | { | |
346 | wl_info_t *wl = HW_TO_WL(hw); | |
347 | int val; | |
348 | ||
a9533e7e HP |
349 | |
350 | if (changed & BSS_CHANGED_ASSOC) { | |
351 | WL_ERROR(("Associated:\t%s\n", info->assoc ? "True" : "False")); | |
352 | /* association status changed (associated/disassociated) | |
353 | * also implies a change in the AID. | |
354 | */ | |
355 | } | |
356 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
357 | WL_NONE(("Use_cts_prot:\t%s Implement me\n", | |
358 | info->use_cts_prot ? "True" : "False")); | |
359 | /* CTS protection changed */ | |
360 | } | |
361 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
362 | WL_NONE(("Short preamble:\t%s Implement me\n", | |
363 | info->use_short_preamble ? "True" : "False")); | |
364 | /* preamble changed */ | |
365 | } | |
366 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
367 | WL_NONE(("Changing short slot:\t%s\n", | |
368 | info->use_short_slot ? "True" : "False")); | |
369 | if (info->use_short_slot) | |
370 | val = 1; | |
371 | else | |
372 | val = 0; | |
373 | wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val); | |
374 | /* slot timing changed */ | |
375 | } | |
376 | ||
377 | if (changed & BSS_CHANGED_HT) { | |
378 | WL_NONE(("%s: HT mode - Implement me\n", __func__)); | |
379 | /* 802.11n parameters changed */ | |
380 | } | |
381 | if (changed & BSS_CHANGED_BASIC_RATES) { | |
382 | WL_NONE(("Need to change Basic Rates:\t0x%x! Implement me\n", | |
66cbd3ab | 383 | (u32) info->basic_rates)); |
a9533e7e HP |
384 | /* Basic rateset changed */ |
385 | } | |
386 | if (changed & BSS_CHANGED_BEACON_INT) { | |
387 | WL_NONE(("Beacon Interval:\t%d Implement me\n", | |
388 | info->beacon_int)); | |
389 | /* Beacon interval changed */ | |
390 | } | |
391 | if (changed & BSS_CHANGED_BSSID) { | |
ba07d0cb AS |
392 | WL_NONE(("new BSSID:\taid %d bss:%pM\n", info->aid, |
393 | info->bssid)); | |
a9533e7e HP |
394 | /* BSSID changed, for whatever reason (IBSS and managed mode) */ |
395 | /* FIXME: need to store bssid in bsscfg */ | |
396 | wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, | |
397 | (struct ether_addr *)info->bssid); | |
398 | } | |
399 | if (changed & BSS_CHANGED_BEACON) { | |
400 | WL_ERROR(("BSS_CHANGED_BEACON\n")); | |
401 | /* Beacon data changed, retrieve new beacon (beaconing modes) */ | |
402 | } | |
403 | if (changed & BSS_CHANGED_BEACON_ENABLED) { | |
404 | WL_ERROR(("Beacon enabled:\t%s\n", | |
405 | info->enable_beacon ? "True" : "False")); | |
406 | /* Beaconing should be enabled/disabled (beaconing modes) */ | |
407 | } | |
a9533e7e HP |
408 | return; |
409 | } | |
410 | ||
411 | static void | |
412 | wl_ops_configure_filter(struct ieee80211_hw *hw, | |
413 | unsigned int changed_flags, | |
414 | unsigned int *total_flags, u64 multicast) | |
415 | { | |
a9533e7e | 416 | wl_info_t *wl = hw->priv; |
a9533e7e HP |
417 | |
418 | changed_flags &= MAC_FILTERS; | |
419 | *total_flags &= MAC_FILTERS; | |
420 | if (changed_flags & FIF_PROMISC_IN_BSS) | |
421 | WL_ERROR(("FIF_PROMISC_IN_BSS\n")); | |
422 | if (changed_flags & FIF_ALLMULTI) | |
423 | WL_ERROR(("FIF_ALLMULTI\n")); | |
424 | if (changed_flags & FIF_FCSFAIL) | |
425 | WL_ERROR(("FIF_FCSFAIL\n")); | |
426 | if (changed_flags & FIF_PLCPFAIL) | |
427 | WL_ERROR(("FIF_PLCPFAIL\n")); | |
428 | if (changed_flags & FIF_CONTROL) | |
429 | WL_ERROR(("FIF_CONTROL\n")); | |
430 | if (changed_flags & FIF_OTHER_BSS) | |
431 | WL_ERROR(("FIF_OTHER_BSS\n")); | |
432 | if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { | |
433 | WL_NONE(("FIF_BCN_PRBRESP_PROMISC\n")); | |
a9533e7e HP |
434 | WL_LOCK(wl); |
435 | if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { | |
436 | wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS; | |
437 | wlc_mac_bcn_promisc_change(wl->wlc, 1); | |
438 | } else { | |
439 | wlc_mac_bcn_promisc_change(wl->wlc, 0); | |
440 | wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS; | |
441 | } | |
442 | WL_UNLOCK(wl); | |
a9533e7e HP |
443 | } |
444 | return; | |
445 | } | |
446 | ||
447 | static int | |
448 | wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set) | |
449 | { | |
450 | WL_ERROR(("%s: Enter\n", __func__)); | |
451 | return 0; | |
452 | } | |
453 | ||
454 | static void wl_ops_sw_scan_start(struct ieee80211_hw *hw) | |
455 | { | |
456 | WL_NONE(("Scan Start\n")); | |
457 | return; | |
458 | } | |
459 | ||
460 | static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw) | |
461 | { | |
462 | WL_NONE(("Scan Complete\n")); | |
463 | return; | |
464 | } | |
465 | ||
466 | static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf) | |
467 | { | |
468 | WL_ERROR(("%s: Enter\n", __func__)); | |
469 | return; | |
470 | } | |
471 | ||
472 | static int | |
473 | wl_ops_get_stats(struct ieee80211_hw *hw, | |
474 | struct ieee80211_low_level_stats *stats) | |
475 | { | |
476 | WL_ERROR(("%s: Enter\n", __func__)); | |
477 | return 0; | |
478 | } | |
479 | ||
480 | static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
481 | { | |
482 | WL_ERROR(("%s: Enter\n", __func__)); | |
483 | return 0; | |
484 | } | |
485 | ||
486 | static void | |
487 | wl_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
488 | enum sta_notify_cmd cmd, struct ieee80211_sta *sta) | |
489 | { | |
490 | WL_NONE(("%s: Enter\n", __func__)); | |
491 | switch (cmd) { | |
492 | default: | |
493 | WL_ERROR(("%s: Uknown cmd = %d\n", __func__, cmd)); | |
494 | break; | |
495 | } | |
496 | return; | |
497 | } | |
498 | ||
499 | static int | |
500 | wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
501 | const struct ieee80211_tx_queue_params *params) | |
502 | { | |
503 | wl_info_t *wl = hw->priv; | |
504 | ||
505 | WL_NONE(("%s: Enter (WME config)\n", __func__)); | |
506 | WL_NONE(("queue %d, txop %d, cwmin %d, cwmax %d, aifs %d\n", queue, | |
507 | params->txop, params->cw_min, params->cw_max, params->aifs)); | |
508 | ||
509 | WL_LOCK(wl); | |
0f0881b0 | 510 | wlc_wme_setparams(wl->wlc, queue, (void *)params, true); |
a9533e7e HP |
511 | WL_UNLOCK(wl); |
512 | ||
513 | return 0; | |
514 | } | |
515 | ||
516 | static u64 wl_ops_get_tsf(struct ieee80211_hw *hw) | |
517 | { | |
518 | WL_ERROR(("%s: Enter\n", __func__)); | |
519 | return 0; | |
520 | } | |
521 | ||
522 | static int | |
523 | wl_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
524 | struct ieee80211_sta *sta) | |
525 | { | |
526 | struct scb *scb; | |
527 | ||
528 | int i; | |
529 | wl_info_t *wl = hw->priv; | |
530 | ||
531 | /* Init the scb */ | |
532 | scb = (struct scb *)sta->drv_priv; | |
533 | bzero(scb, sizeof(struct scb)); | |
534 | for (i = 0; i < NUMPRIO; i++) | |
535 | scb->seqctl[i] = 0xFFFF; | |
536 | scb->seqctl_nonqos = 0xFFFF; | |
537 | scb->magic = SCB_MAGIC; | |
538 | ||
539 | wl->pub->global_scb = scb; | |
540 | wl->pub->global_ampdu = &(scb->scb_ampdu); | |
541 | wl->pub->global_ampdu->scb = scb; | |
a9533e7e | 542 | wl->pub->global_ampdu->max_pdu = 16; |
a9533e7e HP |
543 | pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID, |
544 | AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT); | |
545 | ||
0f0881b0 | 546 | sta->ht_cap.ht_supported = true; |
a9533e7e | 547 | sta->ht_cap.ampdu_factor = AMPDU_RX_FACTOR_64K; |
a9533e7e HP |
548 | sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY; |
549 | sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD | | |
550 | IEEE80211_HT_CAP_SGI_20 | | |
551 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT; | |
552 | ||
553 | /* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */ | |
554 | return 0; | |
555 | } | |
556 | ||
557 | static int | |
558 | wl_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
559 | struct ieee80211_sta *sta) | |
560 | { | |
561 | WL_NONE(("%s: Enter\n", __func__)); | |
562 | return 0; | |
563 | } | |
564 | ||
565 | static int | |
566 | wl_ampdu_action(struct ieee80211_hw *hw, | |
567 | struct ieee80211_vif *vif, | |
568 | enum ieee80211_ampdu_mlme_action action, | |
7cc4a4c0 | 569 | struct ieee80211_sta *sta, u16 tid, u16 *ssn) |
a9533e7e HP |
570 | { |
571 | #if defined(BCMDBG) | |
572 | struct scb *scb = (struct scb *)sta->drv_priv; | |
573 | #endif | |
574 | wl_info_t *wl = hw->priv; | |
575 | ||
576 | ASSERT(scb->magic == SCB_MAGIC); | |
577 | switch (action) { | |
578 | case IEEE80211_AMPDU_RX_START: | |
579 | WL_NONE(("%s: action = IEEE80211_AMPDU_RX_START\n", __func__)); | |
580 | break; | |
581 | case IEEE80211_AMPDU_RX_STOP: | |
582 | WL_NONE(("%s: action = IEEE80211_AMPDU_RX_STOP\n", __func__)); | |
583 | break; | |
584 | case IEEE80211_AMPDU_TX_START: | |
585 | if (!wlc_aggregatable(wl->wlc, tid)) { | |
586 | /* WL_ERROR(("START: tid %d is not agg' able, return FAILURE to stack\n", tid)); */ | |
587 | return -1; | |
588 | } | |
589 | /* XXX: Use the starting sequence number provided ... */ | |
590 | *ssn = 0; | |
591 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
592 | break; | |
593 | ||
594 | case IEEE80211_AMPDU_TX_STOP: | |
595 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
596 | break; | |
597 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
598 | /* Not sure what to do here */ | |
599 | /* Power save wakeup */ | |
600 | WL_NONE(("%s: action = IEEE80211_AMPDU_TX_OPERATIONAL\n", | |
601 | __func__)); | |
602 | break; | |
603 | default: | |
604 | WL_ERROR(("%s: Invalid command, ignoring\n", __func__)); | |
605 | } | |
606 | ||
607 | return 0; | |
608 | } | |
609 | ||
610 | static const struct ieee80211_ops wl_ops = { | |
a9533e7e | 611 | .tx = wl_ops_tx, |
a9533e7e HP |
612 | .start = wl_ops_start, |
613 | .stop = wl_ops_stop, | |
614 | .add_interface = wl_ops_add_interface, | |
615 | .remove_interface = wl_ops_remove_interface, | |
616 | .config = wl_ops_config, | |
617 | .bss_info_changed = wl_ops_bss_info_changed, | |
618 | .configure_filter = wl_ops_configure_filter, | |
619 | .set_tim = wl_ops_set_tim, | |
620 | .sw_scan_start = wl_ops_sw_scan_start, | |
621 | .sw_scan_complete = wl_ops_sw_scan_complete, | |
622 | .set_tsf = wl_ops_set_tsf, | |
623 | .get_stats = wl_ops_get_stats, | |
624 | .set_rts_threshold = wl_ops_set_rts_threshold, | |
625 | .sta_notify = wl_ops_sta_notify, | |
626 | .conf_tx = wl_ops_conf_tx, | |
627 | .get_tsf = wl_ops_get_tsf, | |
628 | .sta_add = wl_sta_add, | |
629 | .sta_remove = wl_sta_remove, | |
630 | .ampdu_action = wl_ampdu_action, | |
631 | }; | |
632 | ||
7cc4a4c0 | 633 | static int wl_set_hint(wl_info_t *wl, char *abbrev) |
a9533e7e HP |
634 | { |
635 | WL_ERROR(("%s: Sending country code %c%c to MAC80211\n", __func__, | |
636 | abbrev[0], abbrev[1])); | |
90ea2296 | 637 | return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev); |
a9533e7e HP |
638 | } |
639 | ||
640 | /** | |
641 | * attach to the WL device. | |
642 | * | |
643 | * Attach to the WL device identified by vendor and device parameters. | |
644 | * regs is a host accessible memory address pointing to WL device registers. | |
645 | * | |
646 | * wl_attach is not defined as static because in the case where no bus | |
647 | * is defined, wl_attach will never be called, and thus, gcc will issue | |
648 | * a warning that this function is defined but not used if we declare | |
649 | * it as static. | |
650 | */ | |
7d4df48e | 651 | static wl_info_t *wl_attach(u16 vendor, u16 device, unsigned long regs, |
a9533e7e HP |
652 | uint bustype, void *btparam, uint irq) |
653 | { | |
654 | wl_info_t *wl; | |
e69284f2 | 655 | struct osl_info *osh; |
a9533e7e HP |
656 | int unit, err; |
657 | ||
3deea904 | 658 | unsigned long base_addr; |
a9533e7e | 659 | struct ieee80211_hw *hw; |
41feb5ed | 660 | u8 perm[ETH_ALEN]; |
a9533e7e | 661 | |
06fc8846 | 662 | unit = wl_found; |
a9533e7e HP |
663 | err = 0; |
664 | ||
665 | if (unit < 0) { | |
666 | WL_ERROR(("wl%d: unit number overflow, exiting\n", unit)); | |
667 | return NULL; | |
668 | } | |
669 | ||
997dd24f | 670 | osh = osl_attach(btparam, bustype); |
a9533e7e HP |
671 | ASSERT(osh); |
672 | ||
a9533e7e HP |
673 | /* allocate private info */ |
674 | hw = pci_get_drvdata(btparam); /* btparam == pdev */ | |
675 | wl = hw->priv; | |
a9533e7e HP |
676 | ASSERT(wl); |
677 | ||
a9533e7e HP |
678 | wl->osh = osh; |
679 | atomic_set(&wl->callbacks, 0); | |
680 | ||
eb4764c3 | 681 | /* setup the bottom half handler */ |
3deea904 | 682 | tasklet_init(&wl->tasklet, wl_dpc, (unsigned long) wl); |
eb4764c3 | 683 | |
a9533e7e | 684 | |
a9533e7e HP |
685 | |
686 | base_addr = regs; | |
687 | ||
688 | if (bustype == PCI_BUS) { | |
06fc8846 | 689 | wl->piomode = false; |
a9533e7e HP |
690 | } else if (bustype == RPC_BUS) { |
691 | /* Do nothing */ | |
692 | } else { | |
693 | bustype = PCI_BUS; | |
694 | WL_TRACE(("force to PCI\n")); | |
695 | } | |
696 | wl->bcm_bustype = bustype; | |
697 | ||
ca8c1e59 JC |
698 | wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ); |
699 | if (wl->regsva == NULL) { | |
a9533e7e HP |
700 | WL_ERROR(("wl%d: ioremap() failed\n", unit)); |
701 | goto fail; | |
702 | } | |
a9533e7e HP |
703 | spin_lock_init(&wl->lock); |
704 | spin_lock_init(&wl->isr_lock); | |
a9533e7e | 705 | |
a9533e7e HP |
706 | /* prepare ucode */ |
707 | if (wl_request_fw(wl, (struct pci_dev *)btparam)) { | |
683b505b BR |
708 | printf("%s: Failed to find firmware usually in %s\n", |
709 | KBUILD_MODNAME, "/lib/firmware/brcm"); | |
710 | wl_release_fw(wl); | |
711 | wl_remove((struct pci_dev *)btparam); | |
712 | goto fail1; | |
a9533e7e | 713 | } |
a9533e7e HP |
714 | |
715 | /* common load-time initialization */ | |
eb4764c3 BH |
716 | wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode, osh, |
717 | wl->regsva, wl->bcm_bustype, btparam, &err); | |
eb4764c3 | 718 | wl_release_fw(wl); |
eb4764c3 | 719 | if (!wl->wlc) { |
4766ae6c BR |
720 | printf("%s: wlc_attach() failed with code %d\n", |
721 | KBUILD_MODNAME, err); | |
a9533e7e HP |
722 | goto fail; |
723 | } | |
a9533e7e HP |
724 | wl->pub = wlc_pub(wl->wlc); |
725 | ||
726 | wl->pub->ieee_hw = hw; | |
727 | ASSERT(wl->pub->ieee_hw); | |
728 | ASSERT(wl->pub->ieee_hw->priv == wl); | |
729 | ||
a9533e7e | 730 | |
06fc8846 BR |
731 | if (wlc_iovar_setint(wl->wlc, "mpc", 0)) { |
732 | WL_ERROR(("wl%d: Error setting MPC variable to 0\n", | |
733 | unit)); | |
a9533e7e | 734 | } |
a9533e7e | 735 | |
a9533e7e HP |
736 | /* register our interrupt handler */ |
737 | if (request_irq(irq, wl_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) { | |
738 | WL_ERROR(("wl%d: request_irq() failed\n", unit)); | |
739 | goto fail; | |
740 | } | |
741 | wl->irq = irq; | |
a9533e7e HP |
742 | |
743 | /* register module */ | |
744 | wlc_module_register(wl->pub, NULL, "linux", wl, NULL, wl_linux_watchdog, | |
745 | NULL); | |
746 | ||
747 | if (ieee_hw_init(hw)) { | |
748 | WL_ERROR(("wl%d: %s: ieee_hw_init failed!\n", unit, __func__)); | |
749 | goto fail; | |
750 | } | |
751 | ||
752 | bcopy(&wl->pub->cur_etheraddr, perm, ETHER_ADDR_LEN); | |
753 | ASSERT(is_valid_ether_addr(perm)); | |
754 | SET_IEEE80211_PERM_ADDR(hw, perm); | |
755 | ||
756 | err = ieee80211_register_hw(hw); | |
757 | if (err) { | |
758 | WL_ERROR(("%s: ieee80211_register_hw failed, status %d\n", | |
759 | __func__, err)); | |
760 | } | |
761 | ||
762 | if (wl->pub->srom_ccode[0]) | |
763 | err = wl_set_hint(wl, wl->pub->srom_ccode); | |
764 | else | |
765 | err = wl_set_hint(wl, "US"); | |
766 | if (err) { | |
767 | WL_ERROR(("%s: regulatory_hint failed, status %d\n", __func__, | |
768 | err)); | |
769 | } | |
a9533e7e | 770 | WL_ERROR(("wl%d: Broadcom BCM43xx 802.11 MAC80211 Driver " |
4766ae6c | 771 | " (" PHY_VERSION_STR ")", unit)); |
a9533e7e HP |
772 | |
773 | #ifdef BCMDBG | |
06fc8846 | 774 | printf(" (Compiled at " __TIME__ " on " __DATE__ ")"); |
a9533e7e HP |
775 | #endif /* BCMDBG */ |
776 | printf("\n"); | |
777 | ||
a9533e7e HP |
778 | wl_found++; |
779 | return wl; | |
780 | ||
781 | fail: | |
782 | wl_free(wl); | |
9e56568a | 783 | fail1: |
a9533e7e HP |
784 | return NULL; |
785 | } | |
786 | ||
a9533e7e | 787 | |
a9533e7e HP |
788 | |
789 | #define CHAN2GHZ(channel, freqency, chflags) { \ | |
790 | .band = IEEE80211_BAND_2GHZ, \ | |
791 | .center_freq = (freqency), \ | |
792 | .hw_value = (channel), \ | |
793 | .flags = chflags, \ | |
794 | .max_antenna_gain = 0, \ | |
795 | .max_power = 19, \ | |
796 | } | |
797 | ||
798 | static struct ieee80211_channel wl_2ghz_chantable[] = { | |
799 | CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS), | |
800 | CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS), | |
801 | CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS), | |
802 | CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS), | |
803 | CHAN2GHZ(5, 2432, 0), | |
804 | CHAN2GHZ(6, 2437, 0), | |
805 | CHAN2GHZ(7, 2442, 0), | |
806 | CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS), | |
807 | CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS), | |
808 | CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS), | |
809 | CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS), | |
810 | CHAN2GHZ(12, 2467, | |
811 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
812 | IEEE80211_CHAN_NO_HT40PLUS), | |
813 | CHAN2GHZ(13, 2472, | |
814 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
815 | IEEE80211_CHAN_NO_HT40PLUS), | |
816 | CHAN2GHZ(14, 2484, | |
817 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
818 | IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
819 | }; | |
820 | ||
821 | #define CHAN5GHZ(channel, chflags) { \ | |
822 | .band = IEEE80211_BAND_5GHZ, \ | |
823 | .center_freq = 5000 + 5*(channel), \ | |
824 | .hw_value = (channel), \ | |
825 | .flags = chflags, \ | |
826 | .max_antenna_gain = 0, \ | |
827 | .max_power = 21, \ | |
828 | } | |
829 | ||
830 | static struct ieee80211_channel wl_5ghz_nphy_chantable[] = { | |
831 | /* UNII-1 */ | |
832 | CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS), | |
833 | CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS), | |
834 | CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS), | |
835 | CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS), | |
836 | /* UNII-2 */ | |
837 | CHAN5GHZ(52, | |
838 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
839 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
840 | CHAN5GHZ(56, | |
841 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
842 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
843 | CHAN5GHZ(60, | |
844 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
845 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
846 | CHAN5GHZ(64, | |
847 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
848 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
849 | /* MID */ | |
850 | CHAN5GHZ(100, | |
851 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
852 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
853 | CHAN5GHZ(104, | |
854 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
855 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
856 | CHAN5GHZ(108, | |
857 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
858 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
859 | CHAN5GHZ(112, | |
860 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
861 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
862 | CHAN5GHZ(116, | |
863 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
864 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
865 | CHAN5GHZ(120, | |
866 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
867 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
868 | CHAN5GHZ(124, | |
869 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
870 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
871 | CHAN5GHZ(128, | |
872 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
873 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
874 | CHAN5GHZ(132, | |
875 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
876 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
877 | CHAN5GHZ(136, | |
878 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
879 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
880 | CHAN5GHZ(140, | |
881 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
882 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS | | |
883 | IEEE80211_CHAN_NO_HT40MINUS), | |
884 | /* UNII-3 */ | |
885 | CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS), | |
886 | CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS), | |
887 | CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS), | |
888 | CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS), | |
889 | CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
890 | }; | |
891 | ||
892 | #define RATE(rate100m, _flags) { \ | |
893 | .bitrate = (rate100m), \ | |
894 | .flags = (_flags), \ | |
895 | .hw_value = (rate100m / 5), \ | |
896 | } | |
897 | ||
898 | static struct ieee80211_rate wl_legacy_ratetable[] = { | |
899 | RATE(10, 0), | |
900 | RATE(20, IEEE80211_RATE_SHORT_PREAMBLE), | |
901 | RATE(55, IEEE80211_RATE_SHORT_PREAMBLE), | |
902 | RATE(110, IEEE80211_RATE_SHORT_PREAMBLE), | |
903 | RATE(60, 0), | |
904 | RATE(90, 0), | |
905 | RATE(120, 0), | |
906 | RATE(180, 0), | |
907 | RATE(240, 0), | |
908 | RATE(360, 0), | |
909 | RATE(480, 0), | |
910 | RATE(540, 0), | |
911 | }; | |
912 | ||
913 | static struct ieee80211_supported_band wl_band_2GHz_nphy = { | |
914 | .band = IEEE80211_BAND_2GHZ, | |
915 | .channels = wl_2ghz_chantable, | |
916 | .n_channels = ARRAY_SIZE(wl_2ghz_chantable), | |
917 | .bitrates = wl_legacy_ratetable, | |
918 | .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable), | |
919 | .ht_cap = { | |
920 | /* from include/linux/ieee80211.h */ | |
921 | .cap = IEEE80211_HT_CAP_GRN_FLD | | |
922 | IEEE80211_HT_CAP_SGI_20 | | |
923 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT, | |
a9533e7e HP |
924 | .ht_supported = true, |
925 | .ampdu_factor = AMPDU_RX_FACTOR_64K, | |
a9533e7e HP |
926 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, |
927 | .mcs = { | |
928 | /* placeholders for now */ | |
a9533e7e HP |
929 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, |
930 | .rx_highest = 500, | |
a9533e7e HP |
931 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} |
932 | } | |
933 | }; | |
934 | ||
935 | static struct ieee80211_supported_band wl_band_5GHz_nphy = { | |
936 | .band = IEEE80211_BAND_5GHZ, | |
937 | .channels = wl_5ghz_nphy_chantable, | |
938 | .n_channels = ARRAY_SIZE(wl_5ghz_nphy_chantable), | |
939 | .bitrates = wl_legacy_ratetable + 4, | |
940 | .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable) - 4, | |
941 | .ht_cap = { | |
942 | /* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */ | |
943 | .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 */ | |
944 | .ht_supported = true, | |
945 | .ampdu_factor = AMPDU_RX_FACTOR_64K, | |
946 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, | |
947 | .mcs = { | |
948 | /* placeholders for now */ | |
949 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, | |
950 | .rx_highest = 500, | |
951 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} | |
952 | } | |
953 | }; | |
954 | ||
955 | static int ieee_hw_rate_init(struct ieee80211_hw *hw) | |
956 | { | |
957 | wl_info_t *wl = HW_TO_WL(hw); | |
958 | int has_5g; | |
959 | char phy_list[4]; | |
960 | ||
961 | has_5g = 0; | |
962 | ||
963 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL; | |
964 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; | |
965 | ||
966 | if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) { | |
967 | WL_ERROR(("Phy list failed\n")); | |
968 | } | |
969 | WL_NONE(("%s: phylist = %c\n", __func__, phy_list[0])); | |
970 | ||
a9533e7e HP |
971 | if (phy_list[0] == 'n' || phy_list[0] == 'c') { |
972 | if (phy_list[0] == 'c') { | |
973 | /* Single stream */ | |
974 | wl_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0; | |
975 | wl_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72; | |
976 | } | |
a9533e7e HP |
977 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl_band_2GHz_nphy; |
978 | } else { | |
979 | BUG(); | |
90ea2296 | 980 | return -1; |
a9533e7e HP |
981 | } |
982 | ||
983 | /* Assume all bands use the same phy. True for 11n devices. */ | |
984 | if (NBANDS_PUB(wl->pub) > 1) { | |
985 | has_5g++; | |
a9533e7e | 986 | if (phy_list[0] == 'n' || phy_list[0] == 'c') { |
a9533e7e HP |
987 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
988 | &wl_band_5GHz_nphy; | |
989 | } else { | |
90ea2296 | 990 | return -1; |
a9533e7e HP |
991 | } |
992 | } | |
993 | ||
994 | WL_NONE(("%s: 2ghz = %d, 5ghz = %d\n", __func__, 1, has_5g)); | |
995 | ||
90ea2296 | 996 | return 0; |
a9533e7e HP |
997 | } |
998 | ||
999 | static int ieee_hw_init(struct ieee80211_hw *hw) | |
1000 | { | |
1001 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
1002 | /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */ | |
1003 | | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
1004 | | IEEE80211_HW_AMPDU_AGGREGATION; | |
1005 | ||
1006 | hw->extra_tx_headroom = wlc_get_header_len(); | |
1007 | /* FIXME: should get this from wlc->machwcap */ | |
1008 | hw->queues = 4; | |
1009 | /* FIXME: this doesn't seem to be used properly in minstrel_ht. | |
1010 | * mac80211/status.c:ieee80211_tx_status() checks this value, | |
1011 | * but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate() | |
1012 | * appears to always set 3 rates | |
1013 | */ | |
1014 | hw->max_rates = 2; /* Primary rate and 1 fallback rate */ | |
1015 | ||
1016 | hw->channel_change_time = 7 * 1000; /* channel change time is dependant on chip and band */ | |
1017 | hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); | |
1018 | ||
1019 | hw->rate_control_algorithm = "minstrel_ht"; | |
1020 | ||
1021 | hw->sta_data_size = sizeof(struct scb); | |
90ea2296 | 1022 | return ieee_hw_rate_init(hw); |
a9533e7e HP |
1023 | } |
1024 | ||
a9533e7e HP |
1025 | /** |
1026 | * determines if a device is a WL device, and if so, attaches it. | |
1027 | * | |
1028 | * This function determines if a device pointed to by pdev is a WL device, | |
1029 | * and if so, performs a wl_attach() on it. | |
1030 | * | |
1031 | */ | |
1032 | int __devinit | |
1033 | wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1034 | { | |
1035 | int rc; | |
1036 | wl_info_t *wl; | |
1037 | struct ieee80211_hw *hw; | |
66cbd3ab | 1038 | u32 val; |
a9533e7e HP |
1039 | |
1040 | ASSERT(pdev); | |
1041 | ||
1042 | WL_TRACE(("%s: bus %d slot %d func %d irq %d\n", __func__, | |
1043 | pdev->bus->number, PCI_SLOT(pdev->devfn), | |
1044 | PCI_FUNC(pdev->devfn), pdev->irq)); | |
1045 | ||
1046 | if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) || | |
1047 | (((pdev->device & 0xff00) != 0x4300) && | |
1048 | ((pdev->device & 0xff00) != 0x4700) && | |
1049 | ((pdev->device < 43000) || (pdev->device > 43999)))) | |
90ea2296 | 1050 | return -ENODEV; |
a9533e7e HP |
1051 | |
1052 | rc = pci_enable_device(pdev); | |
1053 | if (rc) { | |
1054 | WL_ERROR(("%s: Cannot enable device %d-%d_%d\n", __func__, | |
1055 | pdev->bus->number, PCI_SLOT(pdev->devfn), | |
1056 | PCI_FUNC(pdev->devfn))); | |
90ea2296 | 1057 | return -ENODEV; |
a9533e7e HP |
1058 | } |
1059 | pci_set_master(pdev); | |
1060 | ||
1061 | pci_read_config_dword(pdev, 0x40, &val); | |
1062 | if ((val & 0x0000ff00) != 0) | |
1063 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); | |
1064 | ||
1065 | hw = ieee80211_alloc_hw(sizeof(wl_info_t), &wl_ops); | |
1066 | if (!hw) { | |
1067 | WL_ERROR(("%s: ieee80211_alloc_hw failed\n", __func__)); | |
1068 | rc = -ENOMEM; | |
1069 | goto err_1; | |
1070 | } | |
1071 | ||
1072 | SET_IEEE80211_DEV(hw, &pdev->dev); | |
1073 | ||
1074 | pci_set_drvdata(pdev, hw); | |
1075 | ||
1076 | bzero(hw->priv, sizeof(*wl)); | |
1077 | ||
1078 | wl = wl_attach(pdev->vendor, pdev->device, pci_resource_start(pdev, 0), | |
1079 | PCI_BUS, pdev, pdev->irq); | |
1080 | ||
683b505b BR |
1081 | if (!wl) { |
1082 | WL_ERROR(("%s: %s: wl_attach failed!\n", | |
1083 | KBUILD_MODNAME, __func__)); | |
1084 | return -ENODEV; | |
1085 | } | |
a9533e7e HP |
1086 | return 0; |
1087 | err_1: | |
1088 | WL_ERROR(("%s: err_1: Major hoarkage\n", __func__)); | |
1089 | return 0; | |
1090 | } | |
1091 | ||
1092 | #ifdef LINUXSTA_PS | |
878a6673 | 1093 | static int wl_suspend(struct pci_dev *pdev, pm_message_t state) |
a9533e7e HP |
1094 | { |
1095 | wl_info_t *wl; | |
1096 | struct ieee80211_hw *hw; | |
1097 | ||
1098 | WL_TRACE(("wl: wl_suspend\n")); | |
1099 | ||
1100 | hw = pci_get_drvdata(pdev); | |
1101 | wl = HW_TO_WL(hw); | |
1102 | if (!wl) { | |
1103 | WL_ERROR(("wl: wl_suspend: pci_get_drvdata failed\n")); | |
1104 | return -ENODEV; | |
1105 | } | |
1106 | ||
1107 | WL_LOCK(wl); | |
1108 | wl_down(wl); | |
0965ae88 | 1109 | wl->pub->hw_up = false; |
a9533e7e | 1110 | WL_UNLOCK(wl); |
8ba9cfdb | 1111 | pci_save_state(pdev, wl->pci_psstate); |
a9533e7e HP |
1112 | pci_disable_device(pdev); |
1113 | return pci_set_power_state(pdev, PCI_D3hot); | |
1114 | } | |
1115 | ||
1116 | static int wl_resume(struct pci_dev *pdev) | |
1117 | { | |
1118 | wl_info_t *wl; | |
1119 | struct ieee80211_hw *hw; | |
1120 | int err = 0; | |
66cbd3ab | 1121 | u32 val; |
a9533e7e HP |
1122 | |
1123 | WL_TRACE(("wl: wl_resume\n")); | |
1124 | hw = pci_get_drvdata(pdev); | |
1125 | wl = HW_TO_WL(hw); | |
1126 | if (!wl) { | |
1127 | WL_ERROR(("wl: wl_resume: pci_get_drvdata failed\n")); | |
1128 | return -ENODEV; | |
1129 | } | |
1130 | ||
1131 | err = pci_set_power_state(pdev, PCI_D0); | |
1132 | if (err) | |
1133 | return err; | |
1134 | ||
8ba9cfdb | 1135 | pci_restore_state(pdev, wl->pci_psstate); |
a9533e7e HP |
1136 | |
1137 | err = pci_enable_device(pdev); | |
1138 | if (err) | |
1139 | return err; | |
1140 | ||
1141 | pci_set_master(pdev); | |
1142 | ||
1143 | pci_read_config_dword(pdev, 0x40, &val); | |
1144 | if ((val & 0x0000ff00) != 0) | |
1145 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); | |
1146 | ||
1147 | WL_LOCK(wl); | |
1148 | err = wl_up(wl); | |
1149 | WL_UNLOCK(wl); | |
1150 | ||
90ea2296 | 1151 | return err; |
a9533e7e HP |
1152 | } |
1153 | #endif /* LINUXSTA_PS */ | |
1154 | ||
6f0c5bcd | 1155 | static void wl_remove(struct pci_dev *pdev) |
a9533e7e HP |
1156 | { |
1157 | wl_info_t *wl; | |
1158 | struct ieee80211_hw *hw; | |
1159 | ||
1160 | hw = pci_get_drvdata(pdev); | |
1161 | wl = HW_TO_WL(hw); | |
1162 | if (!wl) { | |
1163 | WL_ERROR(("wl: wl_remove: pci_get_drvdata failed\n")); | |
1164 | return; | |
1165 | } | |
1166 | if (!wlc_chipmatch(pdev->vendor, pdev->device)) { | |
1167 | WL_ERROR(("wl: wl_remove: wlc_chipmatch failed\n")); | |
1168 | return; | |
1169 | } | |
683b505b BR |
1170 | if (wl->wlc) { |
1171 | ieee80211_unregister_hw(hw); | |
1172 | WL_LOCK(wl); | |
1173 | wl_down(wl); | |
1174 | WL_UNLOCK(wl); | |
1175 | WL_NONE(("%s: Down\n", __func__)); | |
1176 | } | |
a9533e7e HP |
1177 | pci_disable_device(pdev); |
1178 | ||
1179 | wl_free(wl); | |
1180 | ||
1181 | pci_set_drvdata(pdev, NULL); | |
1182 | ieee80211_free_hw(hw); | |
1183 | } | |
1184 | ||
1185 | static struct pci_driver wl_pci_driver = { | |
5fee2540 JC |
1186 | .name = "brcm80211", |
1187 | .probe = wl_pci_probe, | |
a9533e7e | 1188 | #ifdef LINUXSTA_PS |
5fee2540 JC |
1189 | .suspend = wl_suspend, |
1190 | .resume = wl_resume, | |
a9533e7e | 1191 | #endif /* LINUXSTA_PS */ |
5fee2540 JC |
1192 | .remove = __devexit_p(wl_remove), |
1193 | .id_table = wl_id_table, | |
a9533e7e | 1194 | }; |
a9533e7e HP |
1195 | |
1196 | /** | |
1197 | * This is the main entry point for the WL driver. | |
1198 | * | |
1199 | * This function determines if a device pointed to by pdev is a WL device, | |
1200 | * and if so, performs a wl_attach() on it. | |
1201 | * | |
1202 | */ | |
1203 | static int __init wl_module_init(void) | |
1204 | { | |
1205 | int error = -ENODEV; | |
1206 | ||
1207 | #ifdef BCMDBG | |
1208 | if (msglevel != 0xdeadbeef) | |
1209 | wl_msg_level = msglevel; | |
1210 | else { | |
1211 | char *var = getvar(NULL, "wl_msglevel"); | |
1212 | if (var) | |
48c51a8c | 1213 | wl_msg_level = simple_strtoul(var, NULL, 0); |
a9533e7e | 1214 | } |
a9533e7e | 1215 | { |
66cbd3ab | 1216 | extern u32 phyhal_msg_level; |
a9533e7e HP |
1217 | |
1218 | if (phymsglevel != 0xdeadbeef) | |
1219 | phyhal_msg_level = phymsglevel; | |
1220 | else { | |
1221 | char *var = getvar(NULL, "phy_msglevel"); | |
1222 | if (var) | |
48c51a8c | 1223 | phyhal_msg_level = simple_strtoul(var, NULL, 0); |
a9533e7e HP |
1224 | } |
1225 | } | |
a9533e7e HP |
1226 | #endif /* BCMDBG */ |
1227 | ||
8ba9cfdb | 1228 | error = pci_register_driver(&wl_pci_driver); |
ca8c1e59 | 1229 | if (!error) |
90ea2296 | 1230 | return 0; |
a9533e7e | 1231 | |
a9533e7e | 1232 | |
a9533e7e | 1233 | |
90ea2296 | 1234 | return error; |
a9533e7e HP |
1235 | } |
1236 | ||
1237 | /** | |
1238 | * This function unloads the WL driver from the system. | |
1239 | * | |
1240 | * This function unconditionally unloads the WL driver module from the | |
1241 | * system. | |
1242 | * | |
1243 | */ | |
1244 | static void __exit wl_module_exit(void) | |
1245 | { | |
a9533e7e | 1246 | pci_unregister_driver(&wl_pci_driver); |
a9533e7e | 1247 | |
a9533e7e HP |
1248 | } |
1249 | ||
1250 | module_init(wl_module_init); | |
1251 | module_exit(wl_module_exit); | |
1252 | ||
1253 | /** | |
1254 | * This function frees the WL per-device resources. | |
1255 | * | |
1256 | * This function frees resources owned by the WL device pointed to | |
1257 | * by the wl parameter. | |
1258 | * | |
1259 | */ | |
7cc4a4c0 | 1260 | void wl_free(wl_info_t *wl) |
a9533e7e HP |
1261 | { |
1262 | wl_timer_t *t, *next; | |
e69284f2 | 1263 | struct osl_info *osh; |
a9533e7e HP |
1264 | |
1265 | ASSERT(wl); | |
a9533e7e HP |
1266 | /* free ucode data */ |
1267 | if (wl->fw.fw_cnt) | |
1268 | wl_ucode_data_free(); | |
a9533e7e HP |
1269 | if (wl->irq) |
1270 | free_irq(wl->irq, wl); | |
a9533e7e HP |
1271 | |
1272 | /* kill dpc */ | |
1273 | tasklet_kill(&wl->tasklet); | |
1274 | ||
1275 | if (wl->pub) { | |
1276 | wlc_module_unregister(wl->pub, "linux", wl); | |
1277 | } | |
1278 | ||
1279 | /* free common resources */ | |
1280 | if (wl->wlc) { | |
1281 | wlc_detach(wl->wlc); | |
1282 | wl->wlc = NULL; | |
1283 | wl->pub = NULL; | |
1284 | } | |
1285 | ||
1286 | /* virtual interface deletion is deferred so we cannot spinwait */ | |
1287 | ||
1288 | /* wait for all pending callbacks to complete */ | |
1289 | while (atomic_read(&wl->callbacks) > 0) | |
1290 | schedule(); | |
1291 | ||
1292 | /* free timers */ | |
1293 | for (t = wl->timers; t; t = next) { | |
1294 | next = t->next; | |
1295 | #ifdef BCMDBG | |
1296 | if (t->name) | |
182acb3c | 1297 | kfree(t->name); |
a9533e7e | 1298 | #endif |
182acb3c | 1299 | kfree(t); |
a9533e7e HP |
1300 | } |
1301 | ||
a9533e7e HP |
1302 | osh = wl->osh; |
1303 | ||
1304 | /* | |
1305 | * unregister_netdev() calls get_stats() which may read chip registers | |
1306 | * so we cannot unmap the chip registers until after calling unregister_netdev() . | |
1307 | */ | |
1308 | if (wl->regsva && BUSTYPE(wl->bcm_bustype) != SDIO_BUS && | |
1309 | BUSTYPE(wl->bcm_bustype) != JTAG_BUS) { | |
1310 | iounmap((void *)wl->regsva); | |
1311 | } | |
1312 | wl->regsva = NULL; | |
1313 | ||
a9533e7e | 1314 | |
a9533e7e HP |
1315 | osl_detach(osh); |
1316 | } | |
1317 | ||
a9533e7e | 1318 | /* transmit a packet */ |
7cc4a4c0 | 1319 | static int BCMFASTPATH wl_start(struct sk_buff *skb, wl_info_t *wl) |
a9533e7e HP |
1320 | { |
1321 | if (!wl) | |
1322 | return -ENETDOWN; | |
1323 | ||
1324 | return wl_start_int(wl, WL_TO_HW(wl), skb); | |
1325 | } | |
a9533e7e HP |
1326 | |
1327 | static int BCMFASTPATH | |
7cc4a4c0 | 1328 | wl_start_int(wl_info_t *wl, struct ieee80211_hw *hw, struct sk_buff *skb) |
a9533e7e | 1329 | { |
a9533e7e | 1330 | wlc_sendpkt_mac80211(wl->wlc, skb, hw); |
90ea2296 | 1331 | return NETDEV_TX_OK; |
a9533e7e HP |
1332 | } |
1333 | ||
7cc4a4c0 | 1334 | void wl_txflowcontrol(wl_info_t *wl, struct wl_if *wlif, bool state, int prio) |
a9533e7e HP |
1335 | { |
1336 | WL_ERROR(("Shouldn't be here %s\n", __func__)); | |
1337 | } | |
1338 | ||
a9533e7e | 1339 | |
7cc4a4c0 | 1340 | void wl_init(wl_info_t *wl) |
a9533e7e HP |
1341 | { |
1342 | WL_TRACE(("wl%d: wl_init\n", wl->pub->unit)); | |
1343 | ||
1344 | wl_reset(wl); | |
1345 | ||
1346 | wlc_init(wl->wlc); | |
1347 | } | |
1348 | ||
7cc4a4c0 | 1349 | uint wl_reset(wl_info_t *wl) |
a9533e7e HP |
1350 | { |
1351 | WL_TRACE(("wl%d: wl_reset\n", wl->pub->unit)); | |
1352 | ||
1353 | wlc_reset(wl->wlc); | |
1354 | ||
1355 | /* dpc will not be rescheduled */ | |
1356 | wl->resched = 0; | |
1357 | ||
90ea2296 | 1358 | return 0; |
a9533e7e HP |
1359 | } |
1360 | ||
1361 | /* | |
1362 | * These are interrupt on/off entry points. Disable interrupts | |
1363 | * during interrupt state transition. | |
1364 | */ | |
7cc4a4c0 | 1365 | void BCMFASTPATH wl_intrson(wl_info_t *wl) |
a9533e7e | 1366 | { |
a9533e7e HP |
1367 | unsigned long flags; |
1368 | ||
1369 | INT_LOCK(wl, flags); | |
1370 | wlc_intrson(wl->wlc); | |
1371 | INT_UNLOCK(wl, flags); | |
a9533e7e HP |
1372 | } |
1373 | ||
7cc4a4c0 | 1374 | bool wl_alloc_dma_resources(wl_info_t *wl, uint addrwidth) |
a9533e7e | 1375 | { |
0f0881b0 | 1376 | return true; |
a9533e7e HP |
1377 | } |
1378 | ||
66cbd3ab | 1379 | u32 BCMFASTPATH wl_intrsoff(wl_info_t *wl) |
a9533e7e | 1380 | { |
a9533e7e | 1381 | unsigned long flags; |
66cbd3ab | 1382 | u32 status; |
a9533e7e HP |
1383 | |
1384 | INT_LOCK(wl, flags); | |
1385 | status = wlc_intrsoff(wl->wlc); | |
1386 | INT_UNLOCK(wl, flags); | |
1387 | return status; | |
a9533e7e HP |
1388 | } |
1389 | ||
66cbd3ab | 1390 | void wl_intrsrestore(wl_info_t *wl, u32 macintmask) |
a9533e7e | 1391 | { |
a9533e7e HP |
1392 | unsigned long flags; |
1393 | ||
1394 | INT_LOCK(wl, flags); | |
1395 | wlc_intrsrestore(wl->wlc, macintmask); | |
1396 | INT_UNLOCK(wl, flags); | |
a9533e7e HP |
1397 | } |
1398 | ||
7cc4a4c0 | 1399 | int wl_up(wl_info_t *wl) |
a9533e7e HP |
1400 | { |
1401 | int error = 0; | |
1402 | ||
1403 | if (wl->pub->up) | |
90ea2296 | 1404 | return 0; |
a9533e7e HP |
1405 | |
1406 | error = wlc_up(wl->wlc); | |
1407 | ||
90ea2296 | 1408 | return error; |
a9533e7e HP |
1409 | } |
1410 | ||
7cc4a4c0 | 1411 | void wl_down(wl_info_t *wl) |
a9533e7e HP |
1412 | { |
1413 | uint callbacks, ret_val = 0; | |
1414 | ||
1415 | /* call common down function */ | |
1416 | ret_val = wlc_down(wl->wlc); | |
1417 | callbacks = atomic_read(&wl->callbacks) - ret_val; | |
1418 | ||
1419 | /* wait for down callbacks to complete */ | |
1420 | WL_UNLOCK(wl); | |
1421 | ||
a9533e7e HP |
1422 | /* For HIGH_only driver, it's important to actually schedule other work, |
1423 | * not just spin wait since everything runs at schedule level | |
1424 | */ | |
1425 | SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000); | |
a9533e7e HP |
1426 | |
1427 | WL_LOCK(wl); | |
1428 | } | |
1429 | ||
1430 | irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id) | |
1431 | { | |
a9533e7e HP |
1432 | wl_info_t *wl; |
1433 | bool ours, wantdpc; | |
1434 | unsigned long flags; | |
1435 | ||
1436 | wl = (wl_info_t *) dev_id; | |
1437 | ||
1438 | WL_ISRLOCK(wl, flags); | |
1439 | ||
1440 | /* call common first level interrupt handler */ | |
ca8c1e59 JC |
1441 | ours = wlc_isr(wl->wlc, &wantdpc); |
1442 | if (ours) { | |
a9533e7e HP |
1443 | /* if more to do... */ |
1444 | if (wantdpc) { | |
1445 | ||
1446 | /* ...and call the second level interrupt handler */ | |
1447 | /* schedule dpc */ | |
0965ae88 | 1448 | ASSERT(wl->resched == false); |
a9533e7e HP |
1449 | tasklet_schedule(&wl->tasklet); |
1450 | } | |
1451 | } | |
1452 | ||
1453 | WL_ISRUNLOCK(wl, flags); | |
1454 | ||
1455 | return IRQ_RETVAL(ours); | |
a9533e7e HP |
1456 | } |
1457 | ||
3deea904 | 1458 | static void BCMFASTPATH wl_dpc(unsigned long data) |
a9533e7e | 1459 | { |
a9533e7e HP |
1460 | wl_info_t *wl; |
1461 | ||
1462 | wl = (wl_info_t *) data; | |
1463 | ||
1464 | WL_LOCK(wl); | |
1465 | ||
1466 | /* call the common second level interrupt handler */ | |
1467 | if (wl->pub->up) { | |
1468 | if (wl->resched) { | |
1469 | unsigned long flags; | |
1470 | ||
1471 | INT_LOCK(wl, flags); | |
1472 | wlc_intrsupd(wl->wlc); | |
1473 | INT_UNLOCK(wl, flags); | |
1474 | } | |
1475 | ||
0f0881b0 | 1476 | wl->resched = wlc_dpc(wl->wlc, true); |
a9533e7e HP |
1477 | } |
1478 | ||
1479 | /* wlc_dpc() may bring the driver down */ | |
1480 | if (!wl->pub->up) | |
1481 | goto done; | |
1482 | ||
1483 | /* re-schedule dpc */ | |
1484 | if (wl->resched) | |
1485 | tasklet_schedule(&wl->tasklet); | |
1486 | else { | |
1487 | /* re-enable interrupts */ | |
1488 | wl_intrson(wl); | |
1489 | } | |
1490 | ||
1491 | done: | |
1492 | WL_UNLOCK(wl); | |
a9533e7e HP |
1493 | } |
1494 | ||
7cc4a4c0 | 1495 | static void wl_link_up(wl_info_t *wl, char *ifname) |
a9533e7e HP |
1496 | { |
1497 | WL_ERROR(("wl%d: link up (%s)\n", wl->pub->unit, ifname)); | |
1498 | } | |
1499 | ||
7cc4a4c0 | 1500 | static void wl_link_down(wl_info_t *wl, char *ifname) |
a9533e7e HP |
1501 | { |
1502 | WL_ERROR(("wl%d: link down (%s)\n", wl->pub->unit, ifname)); | |
1503 | } | |
1504 | ||
7cc4a4c0 | 1505 | void wl_event(wl_info_t *wl, char *ifname, wlc_event_t *e) |
a9533e7e HP |
1506 | { |
1507 | ||
1508 | switch (e->event.event_type) { | |
1509 | case WLC_E_LINK: | |
1510 | case WLC_E_NDIS_LINK: | |
1511 | if (e->event.flags & WLC_EVENT_MSG_LINK) | |
1512 | wl_link_up(wl, ifname); | |
1513 | else | |
1514 | wl_link_down(wl, ifname); | |
1515 | break; | |
1516 | case WLC_E_RADIO: | |
1517 | break; | |
1518 | } | |
1519 | } | |
1520 | ||
3deea904 | 1521 | static void wl_timer(unsigned long data) |
a9533e7e | 1522 | { |
a9533e7e | 1523 | _wl_timer((wl_timer_t *) data); |
a9533e7e HP |
1524 | } |
1525 | ||
7cc4a4c0 | 1526 | static void _wl_timer(wl_timer_t *t) |
a9533e7e HP |
1527 | { |
1528 | WL_LOCK(t->wl); | |
1529 | ||
1530 | if (t->set) { | |
1531 | if (t->periodic) { | |
1532 | t->timer.expires = jiffies + t->ms * HZ / 1000; | |
1533 | atomic_inc(&t->wl->callbacks); | |
1534 | add_timer(&t->timer); | |
0f0881b0 | 1535 | t->set = true; |
a9533e7e | 1536 | } else |
0965ae88 | 1537 | t->set = false; |
a9533e7e HP |
1538 | |
1539 | t->fn(t->arg); | |
1540 | } | |
1541 | ||
1542 | atomic_dec(&t->wl->callbacks); | |
1543 | ||
1544 | WL_UNLOCK(t->wl); | |
1545 | } | |
1546 | ||
7cc4a4c0 | 1547 | wl_timer_t *wl_init_timer(wl_info_t *wl, void (*fn) (void *arg), void *arg, |
a9533e7e HP |
1548 | const char *name) |
1549 | { | |
1550 | wl_timer_t *t; | |
1551 | ||
5fcc1fcb | 1552 | t = kmalloc(sizeof(wl_timer_t), GFP_ATOMIC); |
ca8c1e59 | 1553 | if (!t) { |
97e17d0e | 1554 | WL_ERROR(("wl%d: wl_init_timer: out of memory\n", wl->pub->unit)); |
a9533e7e HP |
1555 | return 0; |
1556 | } | |
1557 | ||
1558 | bzero(t, sizeof(wl_timer_t)); | |
1559 | ||
1560 | init_timer(&t->timer); | |
3deea904 | 1561 | t->timer.data = (unsigned long) t; |
a9533e7e HP |
1562 | t->timer.function = wl_timer; |
1563 | t->wl = wl; | |
1564 | t->fn = fn; | |
1565 | t->arg = arg; | |
1566 | t->next = wl->timers; | |
1567 | wl->timers = t; | |
1568 | ||
1569 | #ifdef BCMDBG | |
5fcc1fcb | 1570 | t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC); |
ca8c1e59 | 1571 | if (t->name) |
a9533e7e HP |
1572 | strcpy(t->name, name); |
1573 | #endif | |
1574 | ||
1575 | return t; | |
1576 | } | |
1577 | ||
1578 | /* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate | |
1579 | * as well as it's easier to make it periodic | |
1580 | */ | |
7cc4a4c0 | 1581 | void wl_add_timer(wl_info_t *wl, wl_timer_t *t, uint ms, int periodic) |
a9533e7e HP |
1582 | { |
1583 | #ifdef BCMDBG | |
1584 | if (t->set) { | |
1585 | WL_ERROR(("%s: Already set. Name: %s, per %d\n", | |
1586 | __func__, t->name, periodic)); | |
1587 | } | |
1588 | #endif | |
1589 | ASSERT(!t->set); | |
1590 | ||
1591 | t->ms = ms; | |
1592 | t->periodic = (bool) periodic; | |
0f0881b0 | 1593 | t->set = true; |
a9533e7e HP |
1594 | t->timer.expires = jiffies + ms * HZ / 1000; |
1595 | ||
1596 | atomic_inc(&wl->callbacks); | |
1597 | add_timer(&t->timer); | |
1598 | } | |
1599 | ||
0965ae88 | 1600 | /* return true if timer successfully deleted, false if still pending */ |
7cc4a4c0 | 1601 | bool wl_del_timer(wl_info_t *wl, wl_timer_t *t) |
a9533e7e HP |
1602 | { |
1603 | if (t->set) { | |
0965ae88 | 1604 | t->set = false; |
a9533e7e | 1605 | if (!del_timer(&t->timer)) { |
0965ae88 | 1606 | return false; |
a9533e7e HP |
1607 | } |
1608 | atomic_dec(&wl->callbacks); | |
1609 | } | |
1610 | ||
0f0881b0 | 1611 | return true; |
a9533e7e HP |
1612 | } |
1613 | ||
7cc4a4c0 | 1614 | void wl_free_timer(wl_info_t *wl, wl_timer_t *t) |
a9533e7e HP |
1615 | { |
1616 | wl_timer_t *tmp; | |
1617 | ||
1618 | /* delete the timer in case it is active */ | |
1619 | wl_del_timer(wl, t); | |
1620 | ||
1621 | if (wl->timers == t) { | |
1622 | wl->timers = wl->timers->next; | |
1623 | #ifdef BCMDBG | |
1624 | if (t->name) | |
182acb3c | 1625 | kfree(t->name); |
a9533e7e | 1626 | #endif |
182acb3c | 1627 | kfree(t); |
a9533e7e HP |
1628 | return; |
1629 | ||
1630 | } | |
1631 | ||
1632 | tmp = wl->timers; | |
1633 | while (tmp) { | |
1634 | if (tmp->next == t) { | |
1635 | tmp->next = t->next; | |
1636 | #ifdef BCMDBG | |
1637 | if (t->name) | |
182acb3c | 1638 | kfree(t->name); |
a9533e7e | 1639 | #endif |
182acb3c | 1640 | kfree(t); |
a9533e7e HP |
1641 | return; |
1642 | } | |
1643 | tmp = tmp->next; | |
1644 | } | |
1645 | ||
1646 | } | |
1647 | ||
1648 | static int wl_linux_watchdog(void *ctx) | |
1649 | { | |
1650 | wl_info_t *wl = (wl_info_t *) ctx; | |
1651 | struct net_device_stats *stats = NULL; | |
1652 | uint id; | |
1653 | /* refresh stats */ | |
1654 | if (wl->pub->up) { | |
1655 | ASSERT(wl->stats_id < 2); | |
1656 | ||
1657 | id = 1 - wl->stats_id; | |
1658 | ||
1659 | stats = &wl->stats_watchdog[id]; | |
1660 | stats->rx_packets = WLCNTVAL(wl->pub->_cnt->rxframe); | |
1661 | stats->tx_packets = WLCNTVAL(wl->pub->_cnt->txframe); | |
1662 | stats->rx_bytes = WLCNTVAL(wl->pub->_cnt->rxbyte); | |
1663 | stats->tx_bytes = WLCNTVAL(wl->pub->_cnt->txbyte); | |
1664 | stats->rx_errors = WLCNTVAL(wl->pub->_cnt->rxerror); | |
1665 | stats->tx_errors = WLCNTVAL(wl->pub->_cnt->txerror); | |
1666 | stats->collisions = 0; | |
1667 | ||
1668 | stats->rx_length_errors = 0; | |
1669 | stats->rx_over_errors = WLCNTVAL(wl->pub->_cnt->rxoflo); | |
1670 | stats->rx_crc_errors = WLCNTVAL(wl->pub->_cnt->rxcrc); | |
1671 | stats->rx_frame_errors = 0; | |
1672 | stats->rx_fifo_errors = WLCNTVAL(wl->pub->_cnt->rxoflo); | |
1673 | stats->rx_missed_errors = 0; | |
1674 | ||
1675 | stats->tx_fifo_errors = WLCNTVAL(wl->pub->_cnt->txuflo); | |
1676 | ||
1677 | wl->stats_id = id; | |
1678 | ||
1679 | } | |
1680 | ||
1681 | return 0; | |
1682 | } | |
1683 | ||
1684 | struct wl_fw_hdr { | |
66cbd3ab GKH |
1685 | u32 offset; |
1686 | u32 len; | |
1687 | u32 idx; | |
a9533e7e HP |
1688 | }; |
1689 | ||
a9533e7e | 1690 | |
a9533e7e HP |
1691 | char *wl_firmwares[WL_MAX_FW] = { |
1692 | "brcm/bcm43xx", | |
1693 | NULL | |
1694 | }; | |
1695 | ||
66cbd3ab | 1696 | int wl_ucode_init_buf(wl_info_t *wl, void **pbuf, u32 idx) |
a9533e7e HP |
1697 | { |
1698 | int i, entry; | |
41feb5ed | 1699 | const u8 *pdata; |
a9533e7e HP |
1700 | struct wl_fw_hdr *hdr; |
1701 | for (i = 0; i < wl->fw.fw_cnt; i++) { | |
1702 | hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data; | |
1703 | for (entry = 0; entry < wl->fw.hdr_num_entries[i]; | |
1704 | entry++, hdr++) { | |
1705 | if (hdr->idx == idx) { | |
1706 | pdata = wl->fw.fw_bin[i]->data + hdr->offset; | |
1707 | *pbuf = kmalloc(hdr->len, GFP_ATOMIC); | |
1708 | if (*pbuf == NULL) { | |
1709 | printf("fail to alloc %d bytes\n", | |
1710 | hdr->len); | |
1711 | } | |
1712 | bcopy(pdata, *pbuf, hdr->len); | |
1713 | return 0; | |
1714 | } | |
1715 | } | |
1716 | } | |
1717 | printf("ERROR: ucode buf tag:%d can not be found!\n", idx); | |
1718 | *pbuf = NULL; | |
1719 | return -1; | |
1720 | } | |
1721 | ||
66cbd3ab | 1722 | int wl_ucode_init_uint(wl_info_t *wl, u32 *data, u32 idx) |
a9533e7e HP |
1723 | { |
1724 | int i, entry; | |
41feb5ed | 1725 | const u8 *pdata; |
a9533e7e HP |
1726 | struct wl_fw_hdr *hdr; |
1727 | for (i = 0; i < wl->fw.fw_cnt; i++) { | |
1728 | hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data; | |
1729 | for (entry = 0; entry < wl->fw.hdr_num_entries[i]; | |
1730 | entry++, hdr++) { | |
1731 | if (hdr->idx == idx) { | |
1732 | pdata = wl->fw.fw_bin[i]->data + hdr->offset; | |
1733 | ASSERT(hdr->len == 4); | |
66cbd3ab | 1734 | *data = *((u32 *) pdata); |
a9533e7e HP |
1735 | return 0; |
1736 | } | |
1737 | } | |
1738 | } | |
1739 | printf("ERROR: ucode tag:%d can not be found!\n", idx); | |
1740 | return -1; | |
1741 | } | |
a9533e7e | 1742 | |
7cc4a4c0 | 1743 | static int wl_request_fw(wl_info_t *wl, struct pci_dev *pdev) |
a9533e7e HP |
1744 | { |
1745 | int status; | |
1746 | struct device *device = &pdev->dev; | |
1747 | char fw_name[100]; | |
1748 | int i; | |
1749 | ||
1750 | bzero((void *)&wl->fw, sizeof(struct wl_firmware)); | |
1751 | for (i = 0; i < WL_MAX_FW; i++) { | |
1752 | if (wl_firmwares[i] == NULL) | |
1753 | break; | |
1754 | sprintf(fw_name, "%s-%d.fw", wl_firmwares[i], | |
1755 | UCODE_LOADER_API_VER); | |
1756 | WL_NONE(("request fw %s\n", fw_name)); | |
1757 | status = request_firmware(&wl->fw.fw_bin[i], fw_name, device); | |
1758 | if (status) { | |
683b505b BR |
1759 | printf("%s: fail to load firmware %s\n", |
1760 | KBUILD_MODNAME, fw_name); | |
eb4764c3 | 1761 | wl_release_fw(wl); |
a9533e7e HP |
1762 | return status; |
1763 | } | |
1764 | WL_NONE(("request fw %s\n", fw_name)); | |
1765 | sprintf(fw_name, "%s_hdr-%d.fw", wl_firmwares[i], | |
1766 | UCODE_LOADER_API_VER); | |
1767 | status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device); | |
1768 | if (status) { | |
683b505b BR |
1769 | printf("%s: fail to load firmware %s\n", |
1770 | KBUILD_MODNAME, fw_name); | |
eb4764c3 | 1771 | wl_release_fw(wl); |
a9533e7e HP |
1772 | return status; |
1773 | } | |
1774 | wl->fw.hdr_num_entries[i] = | |
1775 | wl->fw.fw_hdr[i]->size / (sizeof(struct wl_fw_hdr)); | |
1776 | WL_NONE(("request fw %s find: %d entries\n", fw_name, | |
1777 | wl->fw.hdr_num_entries[i])); | |
1778 | } | |
1779 | wl->fw.fw_cnt = i; | |
1780 | wl_ucode_data_init(wl); | |
1781 | return 0; | |
1782 | } | |
1783 | ||
a9533e7e HP |
1784 | void wl_ucode_free_buf(void *p) |
1785 | { | |
1786 | kfree(p); | |
1787 | } | |
a9533e7e | 1788 | |
7cc4a4c0 | 1789 | static void wl_release_fw(wl_info_t *wl) |
a9533e7e HP |
1790 | { |
1791 | int i; | |
eb4764c3 | 1792 | for (i = 0; i < WL_MAX_FW; i++) { |
a9533e7e HP |
1793 | release_firmware(wl->fw.fw_bin[i]); |
1794 | release_firmware(wl->fw.fw_hdr[i]); | |
1795 | } | |
1796 | } |