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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 | ||
6cdeaef2 | 101 | #define WL_DEV_IF(dev) ((struct wl_if *)netdev_priv(dev)) |
2cb22a7a RV |
102 | #define WL_INFO(dev) ((struct wl_info *)(WL_DEV_IF(dev)->wl)) |
103 | static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev); | |
104 | static void wl_release_fw(struct wl_info *wl); | |
a9533e7e HP |
105 | |
106 | /* local prototypes */ | |
2cb22a7a RV |
107 | static int wl_start(struct sk_buff *skb, struct wl_info *wl); |
108 | static int wl_start_int(struct wl_info *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; | |
2cb22a7a | 179 | struct wl_info *wl = hw->priv; |
a9533e7e HP |
180 | WL_LOCK(wl); |
181 | if (!wl->pub->up) { | |
f4528696 | 182 | WL_ERROR("ops->tx called while down\n"); |
a9533e7e HP |
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 | { | |
2cb22a7a | 194 | struct wl_info *wl = hw->priv; |
f4528696 JP |
195 | /* |
196 | struct ieee80211_channel *curchan = hw->conf.channel; | |
197 | WL_NONE("%s : Initial channel: %d\n", __func__, curchan->hw_value); | |
198 | */ | |
a9533e7e HP |
199 | |
200 | WL_LOCK(wl); | |
201 | ieee80211_wake_queues(hw); | |
202 | WL_UNLOCK(wl); | |
203 | ||
204 | return 0; | |
205 | } | |
206 | ||
207 | static void wl_ops_stop(struct ieee80211_hw *hw) | |
208 | { | |
2cb22a7a | 209 | struct wl_info *wl = hw->priv; |
a9533e7e HP |
210 | ASSERT(wl); |
211 | WL_LOCK(wl); | |
212 | wl_down(wl); | |
213 | ieee80211_stop_queues(hw); | |
214 | WL_UNLOCK(wl); | |
215 | ||
216 | return; | |
217 | } | |
218 | ||
219 | static int | |
220 | wl_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
221 | { | |
2cb22a7a | 222 | struct wl_info *wl; |
a9533e7e HP |
223 | int err; |
224 | ||
225 | /* Just STA for now */ | |
226 | if (vif->type != NL80211_IFTYPE_AP && | |
227 | vif->type != NL80211_IFTYPE_MESH_POINT && | |
228 | vif->type != NL80211_IFTYPE_STATION && | |
229 | vif->type != NL80211_IFTYPE_WDS && | |
230 | vif->type != NL80211_IFTYPE_ADHOC) { | |
f4528696 JP |
231 | WL_ERROR("%s: Attempt to add type %d, only STA for now\n", |
232 | __func__, vif->type); | |
a9533e7e HP |
233 | return -EOPNOTSUPP; |
234 | } | |
235 | ||
236 | wl = HW_TO_WL(hw); | |
237 | WL_LOCK(wl); | |
238 | err = wl_up(wl); | |
239 | WL_UNLOCK(wl); | |
240 | ||
241 | if (err != 0) | |
f4528696 | 242 | WL_ERROR("%s: wl_up() returned %d\n", __func__, err); |
a9533e7e HP |
243 | return err; |
244 | } | |
245 | ||
246 | static void | |
247 | wl_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
248 | { | |
249 | return; | |
250 | } | |
251 | ||
252 | static int | |
253 | ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan, | |
254 | enum nl80211_channel_type type) | |
255 | { | |
2cb22a7a | 256 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
257 | int err = 0; |
258 | ||
259 | switch (type) { | |
260 | case NL80211_CHAN_HT20: | |
261 | case NL80211_CHAN_NO_HT: | |
262 | WL_LOCK(wl); | |
263 | err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value); | |
264 | WL_UNLOCK(wl); | |
265 | break; | |
266 | case NL80211_CHAN_HT40MINUS: | |
267 | case NL80211_CHAN_HT40PLUS: | |
f4528696 | 268 | WL_ERROR("%s: Need to implement 40 Mhz Channels!\n", __func__); |
a9533e7e HP |
269 | break; |
270 | } | |
271 | ||
272 | if (err) | |
273 | return -EIO; | |
274 | return err; | |
275 | } | |
276 | ||
277 | static int wl_ops_config(struct ieee80211_hw *hw, u32 changed) | |
278 | { | |
279 | struct ieee80211_conf *conf = &hw->conf; | |
2cb22a7a | 280 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
281 | int err = 0; |
282 | int new_int; | |
283 | ||
284 | if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { | |
f4528696 JP |
285 | WL_NONE("%s: Setting listen interval to %d\n", |
286 | __func__, conf->listen_interval); | |
a9533e7e HP |
287 | if (wlc_iovar_setint |
288 | (wl->wlc, "bcn_li_bcn", conf->listen_interval)) { | |
f4528696 JP |
289 | WL_ERROR("%s: Error setting listen_interval\n", |
290 | __func__); | |
a9533e7e HP |
291 | err = -EIO; |
292 | goto config_out; | |
293 | } | |
294 | wlc_iovar_getint(wl->wlc, "bcn_li_bcn", &new_int); | |
295 | ASSERT(new_int == conf->listen_interval); | |
296 | } | |
297 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) | |
f4528696 | 298 | WL_NONE("Need to set monitor mode\n"); |
a9533e7e | 299 | if (changed & IEEE80211_CONF_CHANGE_PS) |
f4528696 | 300 | WL_NONE("Need to set Power-save mode\n"); |
a9533e7e HP |
301 | |
302 | if (changed & IEEE80211_CONF_CHANGE_POWER) { | |
f4528696 JP |
303 | WL_NONE("%s: Setting tx power to %d dbm\n", |
304 | __func__, conf->power_level); | |
a9533e7e HP |
305 | if (wlc_iovar_setint |
306 | (wl->wlc, "qtxpower", conf->power_level * 4)) { | |
f4528696 | 307 | WL_ERROR("%s: Error setting power_level\n", __func__); |
a9533e7e HP |
308 | err = -EIO; |
309 | goto config_out; | |
310 | } | |
311 | wlc_iovar_getint(wl->wlc, "qtxpower", &new_int); | |
312 | if (new_int != (conf->power_level * 4)) | |
f4528696 JP |
313 | WL_ERROR("%s: Power level req != actual, %d %d\n", |
314 | __func__, conf->power_level * 4, new_int); | |
a9533e7e HP |
315 | } |
316 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
317 | err = ieee_set_channel(hw, conf->channel, conf->channel_type); | |
318 | } | |
319 | if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { | |
f4528696 JP |
320 | WL_NONE("%s: srl %d, lrl %d\n", |
321 | __func__, | |
322 | conf->short_frame_max_tx_count, | |
323 | conf->long_frame_max_tx_count); | |
a9533e7e HP |
324 | if (wlc_set |
325 | (wl->wlc, WLC_SET_SRL, | |
326 | conf->short_frame_max_tx_count) < 0) { | |
f4528696 | 327 | WL_ERROR("%s: Error setting srl\n", __func__); |
a9533e7e HP |
328 | err = -EIO; |
329 | goto config_out; | |
330 | } | |
331 | if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count) | |
332 | < 0) { | |
f4528696 | 333 | WL_ERROR("%s: Error setting lrl\n", __func__); |
a9533e7e HP |
334 | err = -EIO; |
335 | goto config_out; | |
336 | } | |
337 | } | |
338 | ||
339 | config_out: | |
340 | return err; | |
341 | } | |
342 | ||
343 | static void | |
344 | wl_ops_bss_info_changed(struct ieee80211_hw *hw, | |
345 | struct ieee80211_vif *vif, | |
346 | struct ieee80211_bss_conf *info, u32 changed) | |
347 | { | |
2cb22a7a | 348 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
349 | int val; |
350 | ||
a9533e7e HP |
351 | |
352 | if (changed & BSS_CHANGED_ASSOC) { | |
f4528696 | 353 | WL_ERROR("Associated:\t%s\n", info->assoc ? "True" : "False"); |
a9533e7e HP |
354 | /* association status changed (associated/disassociated) |
355 | * also implies a change in the AID. | |
356 | */ | |
357 | } | |
358 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
f4528696 JP |
359 | WL_NONE("Use_cts_prot:\t%s Implement me\n", |
360 | info->use_cts_prot ? "True" : "False"); | |
a9533e7e HP |
361 | /* CTS protection changed */ |
362 | } | |
363 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
f4528696 JP |
364 | WL_NONE("Short preamble:\t%s Implement me\n", |
365 | info->use_short_preamble ? "True" : "False"); | |
a9533e7e HP |
366 | /* preamble changed */ |
367 | } | |
368 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
f4528696 JP |
369 | WL_NONE("Changing short slot:\t%s\n", |
370 | info->use_short_slot ? "True" : "False"); | |
a9533e7e HP |
371 | if (info->use_short_slot) |
372 | val = 1; | |
373 | else | |
374 | val = 0; | |
375 | wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val); | |
376 | /* slot timing changed */ | |
377 | } | |
378 | ||
379 | if (changed & BSS_CHANGED_HT) { | |
f4528696 | 380 | WL_NONE("%s: HT mode - Implement me\n", __func__); |
a9533e7e HP |
381 | /* 802.11n parameters changed */ |
382 | } | |
383 | if (changed & BSS_CHANGED_BASIC_RATES) { | |
f4528696 JP |
384 | WL_NONE("Need to change Basic Rates:\t0x%x! Implement me\n", |
385 | (u32) info->basic_rates); | |
a9533e7e HP |
386 | /* Basic rateset changed */ |
387 | } | |
388 | if (changed & BSS_CHANGED_BEACON_INT) { | |
f4528696 JP |
389 | WL_NONE("Beacon Interval:\t%d Implement me\n", |
390 | info->beacon_int); | |
a9533e7e HP |
391 | /* Beacon interval changed */ |
392 | } | |
393 | if (changed & BSS_CHANGED_BSSID) { | |
f4528696 JP |
394 | WL_NONE("new BSSID:\taid %d bss:%pM\n", |
395 | info->aid, info->bssid); | |
a9533e7e HP |
396 | /* BSSID changed, for whatever reason (IBSS and managed mode) */ |
397 | /* FIXME: need to store bssid in bsscfg */ | |
398 | wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, | |
a44d4236 | 399 | info->bssid); |
a9533e7e HP |
400 | } |
401 | if (changed & BSS_CHANGED_BEACON) { | |
f4528696 | 402 | WL_ERROR("BSS_CHANGED_BEACON\n"); |
a9533e7e HP |
403 | /* Beacon data changed, retrieve new beacon (beaconing modes) */ |
404 | } | |
405 | if (changed & BSS_CHANGED_BEACON_ENABLED) { | |
f4528696 JP |
406 | WL_ERROR("Beacon enabled:\t%s\n", |
407 | info->enable_beacon ? "True" : "False"); | |
a9533e7e HP |
408 | /* Beaconing should be enabled/disabled (beaconing modes) */ |
409 | } | |
a9533e7e HP |
410 | return; |
411 | } | |
412 | ||
413 | static void | |
414 | wl_ops_configure_filter(struct ieee80211_hw *hw, | |
415 | unsigned int changed_flags, | |
416 | unsigned int *total_flags, u64 multicast) | |
417 | { | |
2cb22a7a | 418 | struct wl_info *wl = hw->priv; |
a9533e7e HP |
419 | |
420 | changed_flags &= MAC_FILTERS; | |
421 | *total_flags &= MAC_FILTERS; | |
422 | if (changed_flags & FIF_PROMISC_IN_BSS) | |
f4528696 | 423 | WL_ERROR("FIF_PROMISC_IN_BSS\n"); |
a9533e7e | 424 | if (changed_flags & FIF_ALLMULTI) |
f4528696 | 425 | WL_ERROR("FIF_ALLMULTI\n"); |
a9533e7e | 426 | if (changed_flags & FIF_FCSFAIL) |
f4528696 | 427 | WL_ERROR("FIF_FCSFAIL\n"); |
a9533e7e | 428 | if (changed_flags & FIF_PLCPFAIL) |
f4528696 | 429 | WL_ERROR("FIF_PLCPFAIL\n"); |
a9533e7e | 430 | if (changed_flags & FIF_CONTROL) |
f4528696 | 431 | WL_ERROR("FIF_CONTROL\n"); |
a9533e7e | 432 | if (changed_flags & FIF_OTHER_BSS) |
f4528696 | 433 | WL_ERROR("FIF_OTHER_BSS\n"); |
a9533e7e | 434 | if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { |
f4528696 | 435 | WL_NONE("FIF_BCN_PRBRESP_PROMISC\n"); |
a9533e7e HP |
436 | WL_LOCK(wl); |
437 | if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { | |
438 | wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS; | |
439 | wlc_mac_bcn_promisc_change(wl->wlc, 1); | |
440 | } else { | |
441 | wlc_mac_bcn_promisc_change(wl->wlc, 0); | |
442 | wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS; | |
443 | } | |
444 | WL_UNLOCK(wl); | |
a9533e7e HP |
445 | } |
446 | return; | |
447 | } | |
448 | ||
449 | static int | |
450 | wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set) | |
451 | { | |
f4528696 | 452 | WL_ERROR("%s: Enter\n", __func__); |
a9533e7e HP |
453 | return 0; |
454 | } | |
455 | ||
456 | static void wl_ops_sw_scan_start(struct ieee80211_hw *hw) | |
457 | { | |
f4528696 | 458 | WL_NONE("Scan Start\n"); |
a9533e7e HP |
459 | return; |
460 | } | |
461 | ||
462 | static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw) | |
463 | { | |
f4528696 | 464 | WL_NONE("Scan Complete\n"); |
a9533e7e HP |
465 | return; |
466 | } | |
467 | ||
468 | static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf) | |
469 | { | |
f4528696 | 470 | WL_ERROR("%s: Enter\n", __func__); |
a9533e7e HP |
471 | return; |
472 | } | |
473 | ||
474 | static int | |
475 | wl_ops_get_stats(struct ieee80211_hw *hw, | |
476 | struct ieee80211_low_level_stats *stats) | |
477 | { | |
f4528696 | 478 | WL_ERROR("%s: Enter\n", __func__); |
a9533e7e HP |
479 | return 0; |
480 | } | |
481 | ||
482 | static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
483 | { | |
f4528696 | 484 | WL_ERROR("%s: Enter\n", __func__); |
a9533e7e HP |
485 | return 0; |
486 | } | |
487 | ||
488 | static void | |
489 | wl_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
490 | enum sta_notify_cmd cmd, struct ieee80211_sta *sta) | |
491 | { | |
f4528696 | 492 | WL_NONE("%s: Enter\n", __func__); |
a9533e7e HP |
493 | switch (cmd) { |
494 | default: | |
f4528696 | 495 | WL_ERROR("%s: Unknown cmd = %d\n", __func__, cmd); |
a9533e7e HP |
496 | break; |
497 | } | |
498 | return; | |
499 | } | |
500 | ||
501 | static int | |
502 | wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
503 | const struct ieee80211_tx_queue_params *params) | |
504 | { | |
2cb22a7a | 505 | struct wl_info *wl = hw->priv; |
a9533e7e | 506 | |
f4528696 JP |
507 | WL_NONE("%s: Enter (WME config)\n", __func__); |
508 | WL_NONE("queue %d, txop %d, cwmin %d, cwmax %d, aifs %d\n", queue, | |
509 | params->txop, params->cw_min, params->cw_max, params->aifs); | |
a9533e7e HP |
510 | |
511 | WL_LOCK(wl); | |
0f0881b0 | 512 | wlc_wme_setparams(wl->wlc, queue, (void *)params, true); |
a9533e7e HP |
513 | WL_UNLOCK(wl); |
514 | ||
515 | return 0; | |
516 | } | |
517 | ||
518 | static u64 wl_ops_get_tsf(struct ieee80211_hw *hw) | |
519 | { | |
f4528696 | 520 | WL_ERROR("%s: Enter\n", __func__); |
a9533e7e HP |
521 | return 0; |
522 | } | |
523 | ||
524 | static int | |
525 | wl_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
526 | struct ieee80211_sta *sta) | |
527 | { | |
528 | struct scb *scb; | |
529 | ||
530 | int i; | |
2cb22a7a | 531 | struct wl_info *wl = hw->priv; |
a9533e7e HP |
532 | |
533 | /* Init the scb */ | |
534 | scb = (struct scb *)sta->drv_priv; | |
9249ede9 | 535 | memset(scb, 0, sizeof(struct scb)); |
a9533e7e HP |
536 | for (i = 0; i < NUMPRIO; i++) |
537 | scb->seqctl[i] = 0xFFFF; | |
538 | scb->seqctl_nonqos = 0xFFFF; | |
539 | scb->magic = SCB_MAGIC; | |
540 | ||
541 | wl->pub->global_scb = scb; | |
542 | wl->pub->global_ampdu = &(scb->scb_ampdu); | |
543 | wl->pub->global_ampdu->scb = scb; | |
a9533e7e | 544 | wl->pub->global_ampdu->max_pdu = 16; |
a9533e7e HP |
545 | pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID, |
546 | AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT); | |
547 | ||
0f0881b0 | 548 | sta->ht_cap.ht_supported = true; |
a9533e7e | 549 | sta->ht_cap.ampdu_factor = AMPDU_RX_FACTOR_64K; |
a9533e7e HP |
550 | sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY; |
551 | sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD | | |
552 | IEEE80211_HT_CAP_SGI_20 | | |
553 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT; | |
554 | ||
555 | /* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */ | |
556 | return 0; | |
557 | } | |
558 | ||
559 | static int | |
560 | wl_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
561 | struct ieee80211_sta *sta) | |
562 | { | |
f4528696 | 563 | WL_NONE("%s: Enter\n", __func__); |
a9533e7e HP |
564 | return 0; |
565 | } | |
566 | ||
567 | static int | |
568 | wl_ampdu_action(struct ieee80211_hw *hw, | |
569 | struct ieee80211_vif *vif, | |
570 | enum ieee80211_ampdu_mlme_action action, | |
7cc4a4c0 | 571 | struct ieee80211_sta *sta, u16 tid, u16 *ssn) |
a9533e7e HP |
572 | { |
573 | #if defined(BCMDBG) | |
574 | struct scb *scb = (struct scb *)sta->drv_priv; | |
575 | #endif | |
2cb22a7a | 576 | struct wl_info *wl = hw->priv; |
a9533e7e HP |
577 | |
578 | ASSERT(scb->magic == SCB_MAGIC); | |
579 | switch (action) { | |
580 | case IEEE80211_AMPDU_RX_START: | |
f4528696 | 581 | WL_NONE("%s: action = IEEE80211_AMPDU_RX_START\n", __func__); |
a9533e7e HP |
582 | break; |
583 | case IEEE80211_AMPDU_RX_STOP: | |
f4528696 | 584 | WL_NONE("%s: action = IEEE80211_AMPDU_RX_STOP\n", __func__); |
a9533e7e HP |
585 | break; |
586 | case IEEE80211_AMPDU_TX_START: | |
587 | if (!wlc_aggregatable(wl->wlc, tid)) { | |
f4528696 | 588 | /* WL_ERROR("START: tid %d is not agg' able, return FAILURE to stack\n", tid); */ |
a9533e7e HP |
589 | return -1; |
590 | } | |
591 | /* XXX: Use the starting sequence number provided ... */ | |
592 | *ssn = 0; | |
593 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
594 | break; | |
595 | ||
596 | case IEEE80211_AMPDU_TX_STOP: | |
597 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
598 | break; | |
599 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
600 | /* Not sure what to do here */ | |
601 | /* Power save wakeup */ | |
f4528696 JP |
602 | WL_NONE("%s: action = IEEE80211_AMPDU_TX_OPERATIONAL\n", |
603 | __func__); | |
a9533e7e HP |
604 | break; |
605 | default: | |
f4528696 | 606 | WL_ERROR("%s: Invalid command, ignoring\n", __func__); |
a9533e7e HP |
607 | } |
608 | ||
609 | return 0; | |
610 | } | |
611 | ||
612 | static const struct ieee80211_ops wl_ops = { | |
a9533e7e | 613 | .tx = wl_ops_tx, |
a9533e7e HP |
614 | .start = wl_ops_start, |
615 | .stop = wl_ops_stop, | |
616 | .add_interface = wl_ops_add_interface, | |
617 | .remove_interface = wl_ops_remove_interface, | |
618 | .config = wl_ops_config, | |
619 | .bss_info_changed = wl_ops_bss_info_changed, | |
620 | .configure_filter = wl_ops_configure_filter, | |
621 | .set_tim = wl_ops_set_tim, | |
622 | .sw_scan_start = wl_ops_sw_scan_start, | |
623 | .sw_scan_complete = wl_ops_sw_scan_complete, | |
624 | .set_tsf = wl_ops_set_tsf, | |
625 | .get_stats = wl_ops_get_stats, | |
626 | .set_rts_threshold = wl_ops_set_rts_threshold, | |
627 | .sta_notify = wl_ops_sta_notify, | |
628 | .conf_tx = wl_ops_conf_tx, | |
629 | .get_tsf = wl_ops_get_tsf, | |
630 | .sta_add = wl_sta_add, | |
631 | .sta_remove = wl_sta_remove, | |
632 | .ampdu_action = wl_ampdu_action, | |
633 | }; | |
634 | ||
2cb22a7a | 635 | static int wl_set_hint(struct wl_info *wl, char *abbrev) |
a9533e7e | 636 | { |
f4528696 JP |
637 | WL_ERROR("%s: Sending country code %c%c to MAC80211\n", |
638 | __func__, abbrev[0], abbrev[1]); | |
90ea2296 | 639 | return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev); |
a9533e7e HP |
640 | } |
641 | ||
642 | /** | |
643 | * attach to the WL device. | |
644 | * | |
645 | * Attach to the WL device identified by vendor and device parameters. | |
646 | * regs is a host accessible memory address pointing to WL device registers. | |
647 | * | |
648 | * wl_attach is not defined as static because in the case where no bus | |
649 | * is defined, wl_attach will never be called, and thus, gcc will issue | |
650 | * a warning that this function is defined but not used if we declare | |
651 | * it as static. | |
652 | */ | |
2cb22a7a | 653 | static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs, |
a9533e7e HP |
654 | uint bustype, void *btparam, uint irq) |
655 | { | |
2cb22a7a | 656 | struct wl_info *wl; |
e69284f2 | 657 | struct osl_info *osh; |
a9533e7e HP |
658 | int unit, err; |
659 | ||
3deea904 | 660 | unsigned long base_addr; |
a9533e7e | 661 | struct ieee80211_hw *hw; |
41feb5ed | 662 | u8 perm[ETH_ALEN]; |
a9533e7e | 663 | |
06fc8846 | 664 | unit = wl_found; |
a9533e7e HP |
665 | err = 0; |
666 | ||
667 | if (unit < 0) { | |
f4528696 | 668 | WL_ERROR("wl%d: unit number overflow, exiting\n", unit); |
a9533e7e HP |
669 | return NULL; |
670 | } | |
671 | ||
997dd24f | 672 | osh = osl_attach(btparam, bustype); |
a9533e7e HP |
673 | ASSERT(osh); |
674 | ||
a9533e7e HP |
675 | /* allocate private info */ |
676 | hw = pci_get_drvdata(btparam); /* btparam == pdev */ | |
677 | wl = hw->priv; | |
a9533e7e HP |
678 | ASSERT(wl); |
679 | ||
a9533e7e HP |
680 | wl->osh = osh; |
681 | atomic_set(&wl->callbacks, 0); | |
682 | ||
eb4764c3 | 683 | /* setup the bottom half handler */ |
3deea904 | 684 | tasklet_init(&wl->tasklet, wl_dpc, (unsigned long) wl); |
eb4764c3 | 685 | |
a9533e7e | 686 | |
a9533e7e HP |
687 | |
688 | base_addr = regs; | |
689 | ||
690 | if (bustype == PCI_BUS) { | |
06fc8846 | 691 | wl->piomode = false; |
a9533e7e HP |
692 | } else if (bustype == RPC_BUS) { |
693 | /* Do nothing */ | |
694 | } else { | |
695 | bustype = PCI_BUS; | |
f4528696 | 696 | WL_TRACE("force to PCI\n"); |
a9533e7e HP |
697 | } |
698 | wl->bcm_bustype = bustype; | |
699 | ||
ca8c1e59 JC |
700 | wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ); |
701 | if (wl->regsva == NULL) { | |
f4528696 | 702 | WL_ERROR("wl%d: ioremap() failed\n", unit); |
a9533e7e HP |
703 | goto fail; |
704 | } | |
a9533e7e HP |
705 | spin_lock_init(&wl->lock); |
706 | spin_lock_init(&wl->isr_lock); | |
a9533e7e | 707 | |
a9533e7e HP |
708 | /* prepare ucode */ |
709 | if (wl_request_fw(wl, (struct pci_dev *)btparam)) { | |
683b505b BR |
710 | printf("%s: Failed to find firmware usually in %s\n", |
711 | KBUILD_MODNAME, "/lib/firmware/brcm"); | |
712 | wl_release_fw(wl); | |
713 | wl_remove((struct pci_dev *)btparam); | |
714 | goto fail1; | |
a9533e7e | 715 | } |
a9533e7e HP |
716 | |
717 | /* common load-time initialization */ | |
eb4764c3 BH |
718 | wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode, osh, |
719 | wl->regsva, wl->bcm_bustype, btparam, &err); | |
eb4764c3 | 720 | wl_release_fw(wl); |
eb4764c3 | 721 | if (!wl->wlc) { |
4766ae6c BR |
722 | printf("%s: wlc_attach() failed with code %d\n", |
723 | KBUILD_MODNAME, err); | |
a9533e7e HP |
724 | goto fail; |
725 | } | |
a9533e7e HP |
726 | wl->pub = wlc_pub(wl->wlc); |
727 | ||
728 | wl->pub->ieee_hw = hw; | |
729 | ASSERT(wl->pub->ieee_hw); | |
730 | ASSERT(wl->pub->ieee_hw->priv == wl); | |
731 | ||
a9533e7e | 732 | |
06fc8846 | 733 | if (wlc_iovar_setint(wl->wlc, "mpc", 0)) { |
f4528696 | 734 | WL_ERROR("wl%d: Error setting MPC variable to 0\n", unit); |
a9533e7e | 735 | } |
a9533e7e | 736 | |
a9533e7e HP |
737 | /* register our interrupt handler */ |
738 | if (request_irq(irq, wl_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) { | |
f4528696 | 739 | WL_ERROR("wl%d: request_irq() failed\n", unit); |
a9533e7e HP |
740 | goto fail; |
741 | } | |
742 | wl->irq = irq; | |
a9533e7e HP |
743 | |
744 | /* register module */ | |
745 | wlc_module_register(wl->pub, NULL, "linux", wl, NULL, wl_linux_watchdog, | |
746 | NULL); | |
747 | ||
748 | if (ieee_hw_init(hw)) { | |
f4528696 | 749 | WL_ERROR("wl%d: %s: ieee_hw_init failed!\n", unit, __func__); |
a9533e7e HP |
750 | goto fail; |
751 | } | |
752 | ||
b8d63078 | 753 | bcopy(&wl->pub->cur_etheraddr, perm, ETH_ALEN); |
a9533e7e HP |
754 | ASSERT(is_valid_ether_addr(perm)); |
755 | SET_IEEE80211_PERM_ADDR(hw, perm); | |
756 | ||
757 | err = ieee80211_register_hw(hw); | |
758 | if (err) { | |
f4528696 JP |
759 | WL_ERROR("%s: ieee80211_register_hw failed, status %d\n", |
760 | __func__, err); | |
a9533e7e HP |
761 | } |
762 | ||
763 | if (wl->pub->srom_ccode[0]) | |
764 | err = wl_set_hint(wl, wl->pub->srom_ccode); | |
765 | else | |
766 | err = wl_set_hint(wl, "US"); | |
767 | if (err) { | |
f4528696 JP |
768 | WL_ERROR("%s: regulatory_hint failed, status %d\n", |
769 | __func__, err); | |
a9533e7e | 770 | } |
f4528696 JP |
771 | WL_ERROR("wl%d: Broadcom BCM43xx 802.11 MAC80211 Driver (" PHY_VERSION_STR ")", |
772 | unit); | |
a9533e7e HP |
773 | |
774 | #ifdef BCMDBG | |
06fc8846 | 775 | printf(" (Compiled at " __TIME__ " on " __DATE__ ")"); |
a9533e7e HP |
776 | #endif /* BCMDBG */ |
777 | printf("\n"); | |
778 | ||
a9533e7e HP |
779 | wl_found++; |
780 | return wl; | |
781 | ||
782 | fail: | |
783 | wl_free(wl); | |
9e56568a | 784 | fail1: |
a9533e7e HP |
785 | return NULL; |
786 | } | |
787 | ||
a9533e7e | 788 | |
a9533e7e HP |
789 | |
790 | #define CHAN2GHZ(channel, freqency, chflags) { \ | |
791 | .band = IEEE80211_BAND_2GHZ, \ | |
792 | .center_freq = (freqency), \ | |
793 | .hw_value = (channel), \ | |
794 | .flags = chflags, \ | |
795 | .max_antenna_gain = 0, \ | |
796 | .max_power = 19, \ | |
797 | } | |
798 | ||
799 | static struct ieee80211_channel wl_2ghz_chantable[] = { | |
800 | CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS), | |
801 | CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS), | |
802 | CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS), | |
803 | CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS), | |
804 | CHAN2GHZ(5, 2432, 0), | |
805 | CHAN2GHZ(6, 2437, 0), | |
806 | CHAN2GHZ(7, 2442, 0), | |
807 | CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS), | |
808 | CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS), | |
809 | CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS), | |
810 | CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS), | |
811 | CHAN2GHZ(12, 2467, | |
812 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
813 | IEEE80211_CHAN_NO_HT40PLUS), | |
814 | CHAN2GHZ(13, 2472, | |
815 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
816 | IEEE80211_CHAN_NO_HT40PLUS), | |
817 | CHAN2GHZ(14, 2484, | |
818 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
819 | IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
820 | }; | |
821 | ||
822 | #define CHAN5GHZ(channel, chflags) { \ | |
823 | .band = IEEE80211_BAND_5GHZ, \ | |
824 | .center_freq = 5000 + 5*(channel), \ | |
825 | .hw_value = (channel), \ | |
826 | .flags = chflags, \ | |
827 | .max_antenna_gain = 0, \ | |
828 | .max_power = 21, \ | |
829 | } | |
830 | ||
831 | static struct ieee80211_channel wl_5ghz_nphy_chantable[] = { | |
832 | /* UNII-1 */ | |
833 | CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS), | |
834 | CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS), | |
835 | CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS), | |
836 | CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS), | |
837 | /* UNII-2 */ | |
838 | CHAN5GHZ(52, | |
839 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
840 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
841 | CHAN5GHZ(56, | |
842 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
843 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
844 | CHAN5GHZ(60, | |
845 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
846 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
847 | CHAN5GHZ(64, | |
848 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
849 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
850 | /* MID */ | |
851 | CHAN5GHZ(100, | |
852 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
853 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
854 | CHAN5GHZ(104, | |
855 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
856 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
857 | CHAN5GHZ(108, | |
858 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
859 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
860 | CHAN5GHZ(112, | |
861 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
862 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
863 | CHAN5GHZ(116, | |
864 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
865 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
866 | CHAN5GHZ(120, | |
867 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
868 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
869 | CHAN5GHZ(124, | |
870 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
871 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
872 | CHAN5GHZ(128, | |
873 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
874 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
875 | CHAN5GHZ(132, | |
876 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
877 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
878 | CHAN5GHZ(136, | |
879 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
880 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
881 | CHAN5GHZ(140, | |
882 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
883 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS | | |
884 | IEEE80211_CHAN_NO_HT40MINUS), | |
885 | /* UNII-3 */ | |
886 | CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS), | |
887 | CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS), | |
888 | CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS), | |
889 | CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS), | |
890 | CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
891 | }; | |
892 | ||
893 | #define RATE(rate100m, _flags) { \ | |
894 | .bitrate = (rate100m), \ | |
895 | .flags = (_flags), \ | |
896 | .hw_value = (rate100m / 5), \ | |
897 | } | |
898 | ||
899 | static struct ieee80211_rate wl_legacy_ratetable[] = { | |
900 | RATE(10, 0), | |
901 | RATE(20, IEEE80211_RATE_SHORT_PREAMBLE), | |
902 | RATE(55, IEEE80211_RATE_SHORT_PREAMBLE), | |
903 | RATE(110, IEEE80211_RATE_SHORT_PREAMBLE), | |
904 | RATE(60, 0), | |
905 | RATE(90, 0), | |
906 | RATE(120, 0), | |
907 | RATE(180, 0), | |
908 | RATE(240, 0), | |
909 | RATE(360, 0), | |
910 | RATE(480, 0), | |
911 | RATE(540, 0), | |
912 | }; | |
913 | ||
914 | static struct ieee80211_supported_band wl_band_2GHz_nphy = { | |
915 | .band = IEEE80211_BAND_2GHZ, | |
916 | .channels = wl_2ghz_chantable, | |
917 | .n_channels = ARRAY_SIZE(wl_2ghz_chantable), | |
918 | .bitrates = wl_legacy_ratetable, | |
919 | .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable), | |
920 | .ht_cap = { | |
921 | /* from include/linux/ieee80211.h */ | |
922 | .cap = IEEE80211_HT_CAP_GRN_FLD | | |
923 | IEEE80211_HT_CAP_SGI_20 | | |
924 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT, | |
a9533e7e HP |
925 | .ht_supported = true, |
926 | .ampdu_factor = AMPDU_RX_FACTOR_64K, | |
a9533e7e HP |
927 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, |
928 | .mcs = { | |
929 | /* placeholders for now */ | |
a9533e7e HP |
930 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, |
931 | .rx_highest = 500, | |
a9533e7e HP |
932 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} |
933 | } | |
934 | }; | |
935 | ||
936 | static struct ieee80211_supported_band wl_band_5GHz_nphy = { | |
937 | .band = IEEE80211_BAND_5GHZ, | |
938 | .channels = wl_5ghz_nphy_chantable, | |
939 | .n_channels = ARRAY_SIZE(wl_5ghz_nphy_chantable), | |
940 | .bitrates = wl_legacy_ratetable + 4, | |
941 | .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable) - 4, | |
942 | .ht_cap = { | |
943 | /* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */ | |
944 | .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 */ | |
945 | .ht_supported = true, | |
946 | .ampdu_factor = AMPDU_RX_FACTOR_64K, | |
947 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, | |
948 | .mcs = { | |
949 | /* placeholders for now */ | |
950 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, | |
951 | .rx_highest = 500, | |
952 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} | |
953 | } | |
954 | }; | |
955 | ||
956 | static int ieee_hw_rate_init(struct ieee80211_hw *hw) | |
957 | { | |
2cb22a7a | 958 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
959 | int has_5g; |
960 | char phy_list[4]; | |
961 | ||
962 | has_5g = 0; | |
963 | ||
964 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL; | |
965 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; | |
966 | ||
967 | if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) { | |
f4528696 | 968 | WL_ERROR("Phy list failed\n"); |
a9533e7e | 969 | } |
f4528696 | 970 | WL_NONE("%s: phylist = %c\n", __func__, phy_list[0]); |
a9533e7e | 971 | |
a9533e7e HP |
972 | if (phy_list[0] == 'n' || phy_list[0] == 'c') { |
973 | if (phy_list[0] == 'c') { | |
974 | /* Single stream */ | |
975 | wl_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0; | |
976 | wl_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72; | |
977 | } | |
a9533e7e HP |
978 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl_band_2GHz_nphy; |
979 | } else { | |
980 | BUG(); | |
90ea2296 | 981 | return -1; |
a9533e7e HP |
982 | } |
983 | ||
984 | /* Assume all bands use the same phy. True for 11n devices. */ | |
985 | if (NBANDS_PUB(wl->pub) > 1) { | |
986 | has_5g++; | |
a9533e7e | 987 | if (phy_list[0] == 'n' || phy_list[0] == 'c') { |
a9533e7e HP |
988 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
989 | &wl_band_5GHz_nphy; | |
990 | } else { | |
90ea2296 | 991 | return -1; |
a9533e7e HP |
992 | } |
993 | } | |
994 | ||
f4528696 | 995 | WL_NONE("%s: 2ghz = %d, 5ghz = %d\n", __func__, 1, has_5g); |
a9533e7e | 996 | |
90ea2296 | 997 | return 0; |
a9533e7e HP |
998 | } |
999 | ||
1000 | static int ieee_hw_init(struct ieee80211_hw *hw) | |
1001 | { | |
1002 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
1003 | /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */ | |
1004 | | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
1005 | | IEEE80211_HW_AMPDU_AGGREGATION; | |
1006 | ||
1007 | hw->extra_tx_headroom = wlc_get_header_len(); | |
1008 | /* FIXME: should get this from wlc->machwcap */ | |
1009 | hw->queues = 4; | |
1010 | /* FIXME: this doesn't seem to be used properly in minstrel_ht. | |
1011 | * mac80211/status.c:ieee80211_tx_status() checks this value, | |
1012 | * but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate() | |
1013 | * appears to always set 3 rates | |
1014 | */ | |
1015 | hw->max_rates = 2; /* Primary rate and 1 fallback rate */ | |
1016 | ||
1017 | hw->channel_change_time = 7 * 1000; /* channel change time is dependant on chip and band */ | |
1018 | hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); | |
1019 | ||
1020 | hw->rate_control_algorithm = "minstrel_ht"; | |
1021 | ||
1022 | hw->sta_data_size = sizeof(struct scb); | |
90ea2296 | 1023 | return ieee_hw_rate_init(hw); |
a9533e7e HP |
1024 | } |
1025 | ||
a9533e7e HP |
1026 | /** |
1027 | * determines if a device is a WL device, and if so, attaches it. | |
1028 | * | |
1029 | * This function determines if a device pointed to by pdev is a WL device, | |
1030 | * and if so, performs a wl_attach() on it. | |
1031 | * | |
1032 | */ | |
1033 | int __devinit | |
1034 | wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1035 | { | |
1036 | int rc; | |
2cb22a7a | 1037 | struct wl_info *wl; |
a9533e7e | 1038 | struct ieee80211_hw *hw; |
66cbd3ab | 1039 | u32 val; |
a9533e7e HP |
1040 | |
1041 | ASSERT(pdev); | |
1042 | ||
f4528696 JP |
1043 | WL_TRACE("%s: bus %d slot %d func %d irq %d\n", |
1044 | __func__, pdev->bus->number, PCI_SLOT(pdev->devfn), | |
1045 | PCI_FUNC(pdev->devfn), pdev->irq); | |
a9533e7e HP |
1046 | |
1047 | if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) || | |
1048 | (((pdev->device & 0xff00) != 0x4300) && | |
1049 | ((pdev->device & 0xff00) != 0x4700) && | |
1050 | ((pdev->device < 43000) || (pdev->device > 43999)))) | |
90ea2296 | 1051 | return -ENODEV; |
a9533e7e HP |
1052 | |
1053 | rc = pci_enable_device(pdev); | |
1054 | if (rc) { | |
f4528696 JP |
1055 | WL_ERROR("%s: Cannot enable device %d-%d_%d\n", |
1056 | __func__, pdev->bus->number, PCI_SLOT(pdev->devfn), | |
1057 | PCI_FUNC(pdev->devfn)); | |
90ea2296 | 1058 | return -ENODEV; |
a9533e7e HP |
1059 | } |
1060 | pci_set_master(pdev); | |
1061 | ||
1062 | pci_read_config_dword(pdev, 0x40, &val); | |
1063 | if ((val & 0x0000ff00) != 0) | |
1064 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); | |
1065 | ||
2cb22a7a | 1066 | hw = ieee80211_alloc_hw(sizeof(struct wl_info), &wl_ops); |
a9533e7e | 1067 | if (!hw) { |
f4528696 | 1068 | WL_ERROR("%s: ieee80211_alloc_hw failed\n", __func__); |
a9533e7e HP |
1069 | rc = -ENOMEM; |
1070 | goto err_1; | |
1071 | } | |
1072 | ||
1073 | SET_IEEE80211_DEV(hw, &pdev->dev); | |
1074 | ||
1075 | pci_set_drvdata(pdev, hw); | |
1076 | ||
9249ede9 | 1077 | memset(hw->priv, 0, sizeof(*wl)); |
a9533e7e HP |
1078 | |
1079 | wl = wl_attach(pdev->vendor, pdev->device, pci_resource_start(pdev, 0), | |
1080 | PCI_BUS, pdev, pdev->irq); | |
1081 | ||
683b505b | 1082 | if (!wl) { |
f4528696 JP |
1083 | WL_ERROR("%s: %s: wl_attach failed!\n", |
1084 | KBUILD_MODNAME, __func__); | |
683b505b BR |
1085 | return -ENODEV; |
1086 | } | |
a9533e7e HP |
1087 | return 0; |
1088 | err_1: | |
f4528696 | 1089 | WL_ERROR("%s: err_1: Major hoarkage\n", __func__); |
a9533e7e HP |
1090 | return 0; |
1091 | } | |
1092 | ||
1093 | #ifdef LINUXSTA_PS | |
878a6673 | 1094 | static int wl_suspend(struct pci_dev *pdev, pm_message_t state) |
a9533e7e | 1095 | { |
2cb22a7a | 1096 | struct wl_info *wl; |
a9533e7e HP |
1097 | struct ieee80211_hw *hw; |
1098 | ||
f4528696 | 1099 | WL_TRACE("wl: wl_suspend\n"); |
a9533e7e HP |
1100 | |
1101 | hw = pci_get_drvdata(pdev); | |
1102 | wl = HW_TO_WL(hw); | |
1103 | if (!wl) { | |
f4528696 | 1104 | WL_ERROR("wl: wl_suspend: pci_get_drvdata failed\n"); |
a9533e7e HP |
1105 | return -ENODEV; |
1106 | } | |
1107 | ||
1108 | WL_LOCK(wl); | |
1109 | wl_down(wl); | |
0965ae88 | 1110 | wl->pub->hw_up = false; |
a9533e7e | 1111 | WL_UNLOCK(wl); |
8ba9cfdb | 1112 | pci_save_state(pdev, wl->pci_psstate); |
a9533e7e HP |
1113 | pci_disable_device(pdev); |
1114 | return pci_set_power_state(pdev, PCI_D3hot); | |
1115 | } | |
1116 | ||
1117 | static int wl_resume(struct pci_dev *pdev) | |
1118 | { | |
2cb22a7a | 1119 | struct wl_info *wl; |
a9533e7e HP |
1120 | struct ieee80211_hw *hw; |
1121 | int err = 0; | |
66cbd3ab | 1122 | u32 val; |
a9533e7e | 1123 | |
f4528696 | 1124 | WL_TRACE("wl: wl_resume\n"); |
a9533e7e HP |
1125 | hw = pci_get_drvdata(pdev); |
1126 | wl = HW_TO_WL(hw); | |
1127 | if (!wl) { | |
f4528696 | 1128 | WL_ERROR("wl: wl_resume: pci_get_drvdata failed\n"); |
a9533e7e HP |
1129 | return -ENODEV; |
1130 | } | |
1131 | ||
1132 | err = pci_set_power_state(pdev, PCI_D0); | |
1133 | if (err) | |
1134 | return err; | |
1135 | ||
8ba9cfdb | 1136 | pci_restore_state(pdev, wl->pci_psstate); |
a9533e7e HP |
1137 | |
1138 | err = pci_enable_device(pdev); | |
1139 | if (err) | |
1140 | return err; | |
1141 | ||
1142 | pci_set_master(pdev); | |
1143 | ||
1144 | pci_read_config_dword(pdev, 0x40, &val); | |
1145 | if ((val & 0x0000ff00) != 0) | |
1146 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); | |
1147 | ||
1148 | WL_LOCK(wl); | |
1149 | err = wl_up(wl); | |
1150 | WL_UNLOCK(wl); | |
1151 | ||
90ea2296 | 1152 | return err; |
a9533e7e HP |
1153 | } |
1154 | #endif /* LINUXSTA_PS */ | |
1155 | ||
6f0c5bcd | 1156 | static void wl_remove(struct pci_dev *pdev) |
a9533e7e | 1157 | { |
2cb22a7a | 1158 | struct wl_info *wl; |
a9533e7e HP |
1159 | struct ieee80211_hw *hw; |
1160 | ||
1161 | hw = pci_get_drvdata(pdev); | |
1162 | wl = HW_TO_WL(hw); | |
1163 | if (!wl) { | |
f4528696 | 1164 | WL_ERROR("wl: wl_remove: pci_get_drvdata failed\n"); |
a9533e7e HP |
1165 | return; |
1166 | } | |
1167 | if (!wlc_chipmatch(pdev->vendor, pdev->device)) { | |
f4528696 | 1168 | WL_ERROR("wl: wl_remove: wlc_chipmatch failed\n"); |
a9533e7e HP |
1169 | return; |
1170 | } | |
683b505b BR |
1171 | if (wl->wlc) { |
1172 | ieee80211_unregister_hw(hw); | |
1173 | WL_LOCK(wl); | |
1174 | wl_down(wl); | |
1175 | WL_UNLOCK(wl); | |
f4528696 | 1176 | WL_NONE("%s: Down\n", __func__); |
683b505b | 1177 | } |
a9533e7e HP |
1178 | pci_disable_device(pdev); |
1179 | ||
1180 | wl_free(wl); | |
1181 | ||
1182 | pci_set_drvdata(pdev, NULL); | |
1183 | ieee80211_free_hw(hw); | |
1184 | } | |
1185 | ||
1186 | static struct pci_driver wl_pci_driver = { | |
5fee2540 JC |
1187 | .name = "brcm80211", |
1188 | .probe = wl_pci_probe, | |
a9533e7e | 1189 | #ifdef LINUXSTA_PS |
5fee2540 JC |
1190 | .suspend = wl_suspend, |
1191 | .resume = wl_resume, | |
a9533e7e | 1192 | #endif /* LINUXSTA_PS */ |
5fee2540 JC |
1193 | .remove = __devexit_p(wl_remove), |
1194 | .id_table = wl_id_table, | |
a9533e7e | 1195 | }; |
a9533e7e HP |
1196 | |
1197 | /** | |
1198 | * This is the main entry point for the WL driver. | |
1199 | * | |
1200 | * This function determines if a device pointed to by pdev is a WL device, | |
1201 | * and if so, performs a wl_attach() on it. | |
1202 | * | |
1203 | */ | |
1204 | static int __init wl_module_init(void) | |
1205 | { | |
1206 | int error = -ENODEV; | |
1207 | ||
1208 | #ifdef BCMDBG | |
1209 | if (msglevel != 0xdeadbeef) | |
1210 | wl_msg_level = msglevel; | |
1211 | else { | |
1212 | char *var = getvar(NULL, "wl_msglevel"); | |
1213 | if (var) | |
48c51a8c | 1214 | wl_msg_level = simple_strtoul(var, NULL, 0); |
a9533e7e | 1215 | } |
a9533e7e | 1216 | { |
66cbd3ab | 1217 | extern u32 phyhal_msg_level; |
a9533e7e HP |
1218 | |
1219 | if (phymsglevel != 0xdeadbeef) | |
1220 | phyhal_msg_level = phymsglevel; | |
1221 | else { | |
1222 | char *var = getvar(NULL, "phy_msglevel"); | |
1223 | if (var) | |
48c51a8c | 1224 | phyhal_msg_level = simple_strtoul(var, NULL, 0); |
a9533e7e HP |
1225 | } |
1226 | } | |
a9533e7e HP |
1227 | #endif /* BCMDBG */ |
1228 | ||
8ba9cfdb | 1229 | error = pci_register_driver(&wl_pci_driver); |
ca8c1e59 | 1230 | if (!error) |
90ea2296 | 1231 | return 0; |
a9533e7e | 1232 | |
a9533e7e | 1233 | |
a9533e7e | 1234 | |
90ea2296 | 1235 | return error; |
a9533e7e HP |
1236 | } |
1237 | ||
1238 | /** | |
1239 | * This function unloads the WL driver from the system. | |
1240 | * | |
1241 | * This function unconditionally unloads the WL driver module from the | |
1242 | * system. | |
1243 | * | |
1244 | */ | |
1245 | static void __exit wl_module_exit(void) | |
1246 | { | |
a9533e7e | 1247 | pci_unregister_driver(&wl_pci_driver); |
a9533e7e | 1248 | |
a9533e7e HP |
1249 | } |
1250 | ||
1251 | module_init(wl_module_init); | |
1252 | module_exit(wl_module_exit); | |
1253 | ||
1254 | /** | |
1255 | * This function frees the WL per-device resources. | |
1256 | * | |
1257 | * This function frees resources owned by the WL device pointed to | |
1258 | * by the wl parameter. | |
1259 | * | |
1260 | */ | |
2cb22a7a | 1261 | void wl_free(struct wl_info *wl) |
a9533e7e HP |
1262 | { |
1263 | wl_timer_t *t, *next; | |
e69284f2 | 1264 | struct osl_info *osh; |
a9533e7e HP |
1265 | |
1266 | ASSERT(wl); | |
a9533e7e HP |
1267 | /* free ucode data */ |
1268 | if (wl->fw.fw_cnt) | |
1269 | wl_ucode_data_free(); | |
a9533e7e HP |
1270 | if (wl->irq) |
1271 | free_irq(wl->irq, wl); | |
a9533e7e HP |
1272 | |
1273 | /* kill dpc */ | |
1274 | tasklet_kill(&wl->tasklet); | |
1275 | ||
1276 | if (wl->pub) { | |
1277 | wlc_module_unregister(wl->pub, "linux", wl); | |
1278 | } | |
1279 | ||
1280 | /* free common resources */ | |
1281 | if (wl->wlc) { | |
1282 | wlc_detach(wl->wlc); | |
1283 | wl->wlc = NULL; | |
1284 | wl->pub = NULL; | |
1285 | } | |
1286 | ||
1287 | /* virtual interface deletion is deferred so we cannot spinwait */ | |
1288 | ||
1289 | /* wait for all pending callbacks to complete */ | |
1290 | while (atomic_read(&wl->callbacks) > 0) | |
1291 | schedule(); | |
1292 | ||
1293 | /* free timers */ | |
1294 | for (t = wl->timers; t; t = next) { | |
1295 | next = t->next; | |
1296 | #ifdef BCMDBG | |
1297 | if (t->name) | |
182acb3c | 1298 | kfree(t->name); |
a9533e7e | 1299 | #endif |
182acb3c | 1300 | kfree(t); |
a9533e7e HP |
1301 | } |
1302 | ||
a9533e7e HP |
1303 | osh = wl->osh; |
1304 | ||
1305 | /* | |
1306 | * unregister_netdev() calls get_stats() which may read chip registers | |
1307 | * so we cannot unmap the chip registers until after calling unregister_netdev() . | |
1308 | */ | |
fa7a1db2 BR |
1309 | if (wl->regsva && wl->bcm_bustype != SDIO_BUS && |
1310 | wl->bcm_bustype != JTAG_BUS) { | |
a9533e7e HP |
1311 | iounmap((void *)wl->regsva); |
1312 | } | |
1313 | wl->regsva = NULL; | |
1314 | ||
a9533e7e | 1315 | |
a9533e7e HP |
1316 | osl_detach(osh); |
1317 | } | |
1318 | ||
a9533e7e | 1319 | /* transmit a packet */ |
2cb22a7a | 1320 | static int BCMFASTPATH wl_start(struct sk_buff *skb, struct wl_info *wl) |
a9533e7e HP |
1321 | { |
1322 | if (!wl) | |
1323 | return -ENETDOWN; | |
1324 | ||
1325 | return wl_start_int(wl, WL_TO_HW(wl), skb); | |
1326 | } | |
a9533e7e HP |
1327 | |
1328 | static int BCMFASTPATH | |
2cb22a7a | 1329 | wl_start_int(struct wl_info *wl, struct ieee80211_hw *hw, struct sk_buff *skb) |
a9533e7e | 1330 | { |
a9533e7e | 1331 | wlc_sendpkt_mac80211(wl->wlc, skb, hw); |
90ea2296 | 1332 | return NETDEV_TX_OK; |
a9533e7e HP |
1333 | } |
1334 | ||
2cb22a7a RV |
1335 | void wl_txflowcontrol(struct wl_info *wl, struct wl_if *wlif, bool state, |
1336 | int prio) | |
a9533e7e | 1337 | { |
f4528696 | 1338 | WL_ERROR("Shouldn't be here %s\n", __func__); |
a9533e7e HP |
1339 | } |
1340 | ||
2cb22a7a | 1341 | void wl_init(struct wl_info *wl) |
a9533e7e | 1342 | { |
f4528696 | 1343 | WL_TRACE("wl%d: wl_init\n", wl->pub->unit); |
a9533e7e HP |
1344 | |
1345 | wl_reset(wl); | |
1346 | ||
1347 | wlc_init(wl->wlc); | |
1348 | } | |
1349 | ||
2cb22a7a | 1350 | uint wl_reset(struct wl_info *wl) |
a9533e7e | 1351 | { |
f4528696 | 1352 | WL_TRACE("wl%d: wl_reset\n", wl->pub->unit); |
a9533e7e HP |
1353 | |
1354 | wlc_reset(wl->wlc); | |
1355 | ||
1356 | /* dpc will not be rescheduled */ | |
1357 | wl->resched = 0; | |
1358 | ||
90ea2296 | 1359 | return 0; |
a9533e7e HP |
1360 | } |
1361 | ||
1362 | /* | |
1363 | * These are interrupt on/off entry points. Disable interrupts | |
1364 | * during interrupt state transition. | |
1365 | */ | |
2cb22a7a | 1366 | void BCMFASTPATH wl_intrson(struct wl_info *wl) |
a9533e7e | 1367 | { |
a9533e7e HP |
1368 | unsigned long flags; |
1369 | ||
1370 | INT_LOCK(wl, flags); | |
1371 | wlc_intrson(wl->wlc); | |
1372 | INT_UNLOCK(wl, flags); | |
a9533e7e HP |
1373 | } |
1374 | ||
2cb22a7a | 1375 | bool wl_alloc_dma_resources(struct wl_info *wl, uint addrwidth) |
a9533e7e | 1376 | { |
0f0881b0 | 1377 | return true; |
a9533e7e HP |
1378 | } |
1379 | ||
2cb22a7a | 1380 | u32 BCMFASTPATH wl_intrsoff(struct wl_info *wl) |
a9533e7e | 1381 | { |
a9533e7e | 1382 | unsigned long flags; |
66cbd3ab | 1383 | u32 status; |
a9533e7e HP |
1384 | |
1385 | INT_LOCK(wl, flags); | |
1386 | status = wlc_intrsoff(wl->wlc); | |
1387 | INT_UNLOCK(wl, flags); | |
1388 | return status; | |
a9533e7e HP |
1389 | } |
1390 | ||
2cb22a7a | 1391 | void wl_intrsrestore(struct wl_info *wl, u32 macintmask) |
a9533e7e | 1392 | { |
a9533e7e HP |
1393 | unsigned long flags; |
1394 | ||
1395 | INT_LOCK(wl, flags); | |
1396 | wlc_intrsrestore(wl->wlc, macintmask); | |
1397 | INT_UNLOCK(wl, flags); | |
a9533e7e HP |
1398 | } |
1399 | ||
2cb22a7a | 1400 | int wl_up(struct wl_info *wl) |
a9533e7e HP |
1401 | { |
1402 | int error = 0; | |
1403 | ||
1404 | if (wl->pub->up) | |
90ea2296 | 1405 | return 0; |
a9533e7e HP |
1406 | |
1407 | error = wlc_up(wl->wlc); | |
1408 | ||
90ea2296 | 1409 | return error; |
a9533e7e HP |
1410 | } |
1411 | ||
2cb22a7a | 1412 | void wl_down(struct wl_info *wl) |
a9533e7e HP |
1413 | { |
1414 | uint callbacks, ret_val = 0; | |
1415 | ||
1416 | /* call common down function */ | |
1417 | ret_val = wlc_down(wl->wlc); | |
1418 | callbacks = atomic_read(&wl->callbacks) - ret_val; | |
1419 | ||
1420 | /* wait for down callbacks to complete */ | |
1421 | WL_UNLOCK(wl); | |
1422 | ||
a9533e7e HP |
1423 | /* For HIGH_only driver, it's important to actually schedule other work, |
1424 | * not just spin wait since everything runs at schedule level | |
1425 | */ | |
1426 | SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000); | |
a9533e7e HP |
1427 | |
1428 | WL_LOCK(wl); | |
1429 | } | |
1430 | ||
1431 | irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id) | |
1432 | { | |
2cb22a7a | 1433 | struct wl_info *wl; |
a9533e7e HP |
1434 | bool ours, wantdpc; |
1435 | unsigned long flags; | |
1436 | ||
2cb22a7a | 1437 | wl = (struct wl_info *) dev_id; |
a9533e7e HP |
1438 | |
1439 | WL_ISRLOCK(wl, flags); | |
1440 | ||
1441 | /* call common first level interrupt handler */ | |
ca8c1e59 JC |
1442 | ours = wlc_isr(wl->wlc, &wantdpc); |
1443 | if (ours) { | |
a9533e7e HP |
1444 | /* if more to do... */ |
1445 | if (wantdpc) { | |
1446 | ||
1447 | /* ...and call the second level interrupt handler */ | |
1448 | /* schedule dpc */ | |
0965ae88 | 1449 | ASSERT(wl->resched == false); |
a9533e7e HP |
1450 | tasklet_schedule(&wl->tasklet); |
1451 | } | |
1452 | } | |
1453 | ||
1454 | WL_ISRUNLOCK(wl, flags); | |
1455 | ||
1456 | return IRQ_RETVAL(ours); | |
a9533e7e HP |
1457 | } |
1458 | ||
3deea904 | 1459 | static void BCMFASTPATH wl_dpc(unsigned long data) |
a9533e7e | 1460 | { |
2cb22a7a | 1461 | struct wl_info *wl; |
a9533e7e | 1462 | |
2cb22a7a | 1463 | wl = (struct wl_info *) data; |
a9533e7e HP |
1464 | |
1465 | WL_LOCK(wl); | |
1466 | ||
1467 | /* call the common second level interrupt handler */ | |
1468 | if (wl->pub->up) { | |
1469 | if (wl->resched) { | |
1470 | unsigned long flags; | |
1471 | ||
1472 | INT_LOCK(wl, flags); | |
1473 | wlc_intrsupd(wl->wlc); | |
1474 | INT_UNLOCK(wl, flags); | |
1475 | } | |
1476 | ||
0f0881b0 | 1477 | wl->resched = wlc_dpc(wl->wlc, true); |
a9533e7e HP |
1478 | } |
1479 | ||
1480 | /* wlc_dpc() may bring the driver down */ | |
1481 | if (!wl->pub->up) | |
1482 | goto done; | |
1483 | ||
1484 | /* re-schedule dpc */ | |
1485 | if (wl->resched) | |
1486 | tasklet_schedule(&wl->tasklet); | |
1487 | else { | |
1488 | /* re-enable interrupts */ | |
1489 | wl_intrson(wl); | |
1490 | } | |
1491 | ||
1492 | done: | |
1493 | WL_UNLOCK(wl); | |
a9533e7e HP |
1494 | } |
1495 | ||
2cb22a7a | 1496 | static void wl_link_up(struct wl_info *wl, char *ifname) |
a9533e7e | 1497 | { |
f4528696 | 1498 | WL_ERROR("wl%d: link up (%s)\n", wl->pub->unit, ifname); |
a9533e7e HP |
1499 | } |
1500 | ||
2cb22a7a | 1501 | static void wl_link_down(struct wl_info *wl, char *ifname) |
a9533e7e | 1502 | { |
f4528696 | 1503 | WL_ERROR("wl%d: link down (%s)\n", wl->pub->unit, ifname); |
a9533e7e HP |
1504 | } |
1505 | ||
2cb22a7a | 1506 | void wl_event(struct wl_info *wl, char *ifname, wlc_event_t *e) |
a9533e7e HP |
1507 | { |
1508 | ||
1509 | switch (e->event.event_type) { | |
1510 | case WLC_E_LINK: | |
1511 | case WLC_E_NDIS_LINK: | |
1512 | if (e->event.flags & WLC_EVENT_MSG_LINK) | |
1513 | wl_link_up(wl, ifname); | |
1514 | else | |
1515 | wl_link_down(wl, ifname); | |
1516 | break; | |
1517 | case WLC_E_RADIO: | |
1518 | break; | |
1519 | } | |
1520 | } | |
1521 | ||
3deea904 | 1522 | static void wl_timer(unsigned long data) |
a9533e7e | 1523 | { |
a9533e7e | 1524 | _wl_timer((wl_timer_t *) data); |
a9533e7e HP |
1525 | } |
1526 | ||
7cc4a4c0 | 1527 | static void _wl_timer(wl_timer_t *t) |
a9533e7e HP |
1528 | { |
1529 | WL_LOCK(t->wl); | |
1530 | ||
1531 | if (t->set) { | |
1532 | if (t->periodic) { | |
1533 | t->timer.expires = jiffies + t->ms * HZ / 1000; | |
1534 | atomic_inc(&t->wl->callbacks); | |
1535 | add_timer(&t->timer); | |
0f0881b0 | 1536 | t->set = true; |
a9533e7e | 1537 | } else |
0965ae88 | 1538 | t->set = false; |
a9533e7e HP |
1539 | |
1540 | t->fn(t->arg); | |
1541 | } | |
1542 | ||
1543 | atomic_dec(&t->wl->callbacks); | |
1544 | ||
1545 | WL_UNLOCK(t->wl); | |
1546 | } | |
1547 | ||
2cb22a7a | 1548 | wl_timer_t *wl_init_timer(struct wl_info *wl, void (*fn) (void *arg), void *arg, |
a9533e7e HP |
1549 | const char *name) |
1550 | { | |
1551 | wl_timer_t *t; | |
1552 | ||
5fcc1fcb | 1553 | t = kmalloc(sizeof(wl_timer_t), GFP_ATOMIC); |
ca8c1e59 | 1554 | if (!t) { |
f4528696 | 1555 | WL_ERROR("wl%d: wl_init_timer: out of memory\n", wl->pub->unit); |
a9533e7e HP |
1556 | return 0; |
1557 | } | |
1558 | ||
9249ede9 | 1559 | memset(t, 0, sizeof(wl_timer_t)); |
a9533e7e HP |
1560 | |
1561 | init_timer(&t->timer); | |
3deea904 | 1562 | t->timer.data = (unsigned long) t; |
a9533e7e HP |
1563 | t->timer.function = wl_timer; |
1564 | t->wl = wl; | |
1565 | t->fn = fn; | |
1566 | t->arg = arg; | |
1567 | t->next = wl->timers; | |
1568 | wl->timers = t; | |
1569 | ||
1570 | #ifdef BCMDBG | |
5fcc1fcb | 1571 | t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC); |
ca8c1e59 | 1572 | if (t->name) |
a9533e7e HP |
1573 | strcpy(t->name, name); |
1574 | #endif | |
1575 | ||
1576 | return t; | |
1577 | } | |
1578 | ||
1579 | /* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate | |
1580 | * as well as it's easier to make it periodic | |
1581 | */ | |
2cb22a7a | 1582 | void wl_add_timer(struct wl_info *wl, wl_timer_t *t, uint ms, int periodic) |
a9533e7e HP |
1583 | { |
1584 | #ifdef BCMDBG | |
1585 | if (t->set) { | |
f4528696 JP |
1586 | WL_ERROR("%s: Already set. Name: %s, per %d\n", |
1587 | __func__, t->name, periodic); | |
a9533e7e HP |
1588 | } |
1589 | #endif | |
1590 | ASSERT(!t->set); | |
1591 | ||
1592 | t->ms = ms; | |
1593 | t->periodic = (bool) periodic; | |
0f0881b0 | 1594 | t->set = true; |
a9533e7e HP |
1595 | t->timer.expires = jiffies + ms * HZ / 1000; |
1596 | ||
1597 | atomic_inc(&wl->callbacks); | |
1598 | add_timer(&t->timer); | |
1599 | } | |
1600 | ||
0965ae88 | 1601 | /* return true if timer successfully deleted, false if still pending */ |
2cb22a7a | 1602 | bool wl_del_timer(struct wl_info *wl, wl_timer_t *t) |
a9533e7e HP |
1603 | { |
1604 | if (t->set) { | |
0965ae88 | 1605 | t->set = false; |
a9533e7e | 1606 | if (!del_timer(&t->timer)) { |
0965ae88 | 1607 | return false; |
a9533e7e HP |
1608 | } |
1609 | atomic_dec(&wl->callbacks); | |
1610 | } | |
1611 | ||
0f0881b0 | 1612 | return true; |
a9533e7e HP |
1613 | } |
1614 | ||
2cb22a7a | 1615 | void wl_free_timer(struct wl_info *wl, wl_timer_t *t) |
a9533e7e HP |
1616 | { |
1617 | wl_timer_t *tmp; | |
1618 | ||
1619 | /* delete the timer in case it is active */ | |
1620 | wl_del_timer(wl, t); | |
1621 | ||
1622 | if (wl->timers == t) { | |
1623 | wl->timers = wl->timers->next; | |
1624 | #ifdef BCMDBG | |
1625 | if (t->name) | |
182acb3c | 1626 | kfree(t->name); |
a9533e7e | 1627 | #endif |
182acb3c | 1628 | kfree(t); |
a9533e7e HP |
1629 | return; |
1630 | ||
1631 | } | |
1632 | ||
1633 | tmp = wl->timers; | |
1634 | while (tmp) { | |
1635 | if (tmp->next == t) { | |
1636 | tmp->next = t->next; | |
1637 | #ifdef BCMDBG | |
1638 | if (t->name) | |
182acb3c | 1639 | kfree(t->name); |
a9533e7e | 1640 | #endif |
182acb3c | 1641 | kfree(t); |
a9533e7e HP |
1642 | return; |
1643 | } | |
1644 | tmp = tmp->next; | |
1645 | } | |
1646 | ||
1647 | } | |
1648 | ||
1649 | static int wl_linux_watchdog(void *ctx) | |
1650 | { | |
2cb22a7a | 1651 | struct wl_info *wl = (struct wl_info *) ctx; |
a9533e7e HP |
1652 | struct net_device_stats *stats = NULL; |
1653 | uint id; | |
1654 | /* refresh stats */ | |
1655 | if (wl->pub->up) { | |
1656 | ASSERT(wl->stats_id < 2); | |
1657 | ||
1658 | id = 1 - wl->stats_id; | |
1659 | ||
1660 | stats = &wl->stats_watchdog[id]; | |
1661 | stats->rx_packets = WLCNTVAL(wl->pub->_cnt->rxframe); | |
1662 | stats->tx_packets = WLCNTVAL(wl->pub->_cnt->txframe); | |
1663 | stats->rx_bytes = WLCNTVAL(wl->pub->_cnt->rxbyte); | |
1664 | stats->tx_bytes = WLCNTVAL(wl->pub->_cnt->txbyte); | |
1665 | stats->rx_errors = WLCNTVAL(wl->pub->_cnt->rxerror); | |
1666 | stats->tx_errors = WLCNTVAL(wl->pub->_cnt->txerror); | |
1667 | stats->collisions = 0; | |
1668 | ||
1669 | stats->rx_length_errors = 0; | |
1670 | stats->rx_over_errors = WLCNTVAL(wl->pub->_cnt->rxoflo); | |
1671 | stats->rx_crc_errors = WLCNTVAL(wl->pub->_cnt->rxcrc); | |
1672 | stats->rx_frame_errors = 0; | |
1673 | stats->rx_fifo_errors = WLCNTVAL(wl->pub->_cnt->rxoflo); | |
1674 | stats->rx_missed_errors = 0; | |
1675 | ||
1676 | stats->tx_fifo_errors = WLCNTVAL(wl->pub->_cnt->txuflo); | |
1677 | ||
1678 | wl->stats_id = id; | |
1679 | ||
1680 | } | |
1681 | ||
1682 | return 0; | |
1683 | } | |
1684 | ||
1685 | struct wl_fw_hdr { | |
66cbd3ab GKH |
1686 | u32 offset; |
1687 | u32 len; | |
1688 | u32 idx; | |
a9533e7e HP |
1689 | }; |
1690 | ||
a9533e7e HP |
1691 | char *wl_firmwares[WL_MAX_FW] = { |
1692 | "brcm/bcm43xx", | |
1693 | NULL | |
1694 | }; | |
1695 | ||
2cb22a7a | 1696 | int wl_ucode_init_buf(struct wl_info *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 | ||
2cb22a7a | 1722 | int wl_ucode_init_uint(struct wl_info *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 | |
2cb22a7a | 1743 | static int wl_request_fw(struct wl_info *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 | ||
9249ede9 | 1750 | memset((void *)&wl->fw, 0, sizeof(struct wl_firmware)); |
a9533e7e HP |
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); | |
f4528696 | 1756 | WL_NONE("request fw %s\n", fw_name); |
a9533e7e HP |
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 | } | |
f4528696 | 1764 | WL_NONE("request fw %s\n", fw_name); |
a9533e7e HP |
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)); | |
f4528696 JP |
1776 | WL_NONE("request fw %s find: %d entries\n", |
1777 | fw_name, wl->fw.hdr_num_entries[i]); | |
a9533e7e HP |
1778 | } |
1779 | wl->fw.fw_cnt = i; | |
3d44661a | 1780 | return wl_ucode_data_init(wl); |
a9533e7e HP |
1781 | } |
1782 | ||
a9533e7e HP |
1783 | void wl_ucode_free_buf(void *p) |
1784 | { | |
1785 | kfree(p); | |
1786 | } | |
a9533e7e | 1787 | |
2cb22a7a | 1788 | static void wl_release_fw(struct wl_info *wl) |
a9533e7e HP |
1789 | { |
1790 | int i; | |
eb4764c3 | 1791 | for (i = 0; i < WL_MAX_FW; i++) { |
a9533e7e HP |
1792 | release_firmware(wl->fw.fw_bin[i]); |
1793 | release_firmware(wl->fw.fw_hdr[i]); | |
1794 | } | |
1795 | } | |
3d44661a RV |
1796 | |
1797 | ||
1798 | /* | |
1799 | * checks validity of all firmware images loaded from user space | |
1800 | */ | |
1801 | int wl_check_firmwares(struct wl_info *wl) | |
1802 | { | |
1803 | int i; | |
1804 | int entry; | |
1805 | int rc = 0; | |
1806 | const struct firmware *fw; | |
1807 | const struct firmware *fw_hdr; | |
1808 | struct wl_fw_hdr *ucode_hdr; | |
1809 | for (i = 0; i < WL_MAX_FW && rc == 0; i++) { | |
1810 | fw = wl->fw.fw_bin[i]; | |
1811 | fw_hdr = wl->fw.fw_hdr[i]; | |
1812 | if (fw == NULL && fw_hdr == NULL) { | |
1813 | break; | |
1814 | } else if (fw == NULL || fw_hdr == NULL) { | |
f4528696 | 1815 | WL_ERROR("%s: invalid bin/hdr fw\n", __func__); |
3d44661a RV |
1816 | rc = -EBADF; |
1817 | } else if (fw_hdr->size % sizeof(struct wl_fw_hdr)) { | |
f4528696 JP |
1818 | WL_ERROR("%s: non integral fw hdr file size %d/%zu\n", |
1819 | __func__, fw_hdr->size, | |
1820 | sizeof(struct wl_fw_hdr)); | |
3d44661a RV |
1821 | rc = -EBADF; |
1822 | } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) { | |
f4528696 JP |
1823 | WL_ERROR("%s: out of bounds fw file size %d\n", |
1824 | __func__, fw->size); | |
3d44661a RV |
1825 | rc = -EBADF; |
1826 | } else { | |
1827 | /* check if ucode section overruns firmware image */ | |
1828 | ucode_hdr = (struct wl_fw_hdr *)fw_hdr->data; | |
1829 | for (entry = 0; entry < wl->fw.hdr_num_entries[i] && rc; | |
1830 | entry++, ucode_hdr++) { | |
1831 | if (ucode_hdr->offset + ucode_hdr->len > | |
1832 | fw->size) { | |
f4528696 JP |
1833 | WL_ERROR("%s: conflicting bin/hdr\n", |
1834 | __func__); | |
3d44661a RV |
1835 | rc = -EBADF; |
1836 | } | |
1837 | } | |
1838 | } | |
1839 | } | |
1840 | if (rc == 0 && wl->fw.fw_cnt != i) { | |
f4528696 | 1841 | WL_ERROR("%s: invalid fw_cnt=%d\n", __func__, wl->fw.fw_cnt); |
3d44661a RV |
1842 | rc = -EBADF; |
1843 | } | |
1844 | return rc; | |
1845 | } | |
1846 |