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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> |
45575664 | 21 | #include <linux/types.h> |
a9533e7e | 22 | #include <linux/pci_ids.h> |
c6ac24e9 BR |
23 | #include <linux/module.h> |
24 | #include <linux/pci.h> | |
25 | #include <linux/sched.h> | |
45575664 | 26 | #include <linux/firmware.h> |
a9533e7e | 27 | #include <net/mac80211.h> |
45575664 | 28 | |
70dfb584 | 29 | #include <proto/802.11.h> |
70dfb584 AS |
30 | #include <bcmdefs.h> |
31 | #include <bcmwifi.h> | |
a9533e7e HP |
32 | #include <bcmutils.h> |
33 | #include <pcicfg.h> | |
34 | #include <wlioctl.h> | |
a52ba66c | 35 | #include <sbhnddma.h> |
a9533e7e | 36 | |
8a0939f5 AS |
37 | #include "phy/wlc_phy_int.h" |
38 | #include "d11.h" | |
39 | #include "wlc_types.h" | |
45575664 AS |
40 | #include "wlc_cfg.h" |
41 | #include "phy/phy_version.h" | |
42 | #include "wlc_key.h" | |
45575664 AS |
43 | #include "wlc_channel.h" |
44 | #include "wlc_scb.h" | |
45 | #include "wlc_pub.h" | |
46 | #include "wl_dbg.h" | |
47 | #include "wl_export.h" | |
48 | #include "wl_ucode.h" | |
45575664 | 49 | #include "wl_mac80211.h" |
a9533e7e | 50 | |
3deea904 | 51 | static void wl_timer(unsigned long data); |
44bb83af | 52 | static void _wl_timer(struct wl_timer *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 | 70 | |
6cdeaef2 | 71 | #define WL_DEV_IF(dev) ((struct wl_if *)netdev_priv(dev)) |
2cb22a7a RV |
72 | #define WL_INFO(dev) ((struct wl_info *)(WL_DEV_IF(dev)->wl)) |
73 | static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev); | |
74 | static void wl_release_fw(struct wl_info *wl); | |
a9533e7e HP |
75 | |
76 | /* local prototypes */ | |
3deea904 | 77 | static void wl_dpc(unsigned long data); |
62b54dca AS |
78 | static irqreturn_t wl_isr(int irq, void *dev_id); |
79 | ||
80 | static int __devinit wl_pci_probe(struct pci_dev *pdev, | |
81 | const struct pci_device_id *ent); | |
82 | static void wl_remove(struct pci_dev *pdev); | |
83 | static void wl_free(struct wl_info *wl); | |
a9533e7e HP |
84 | |
85 | MODULE_AUTHOR("Broadcom Corporation"); | |
86 | MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver."); | |
87 | MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards"); | |
88 | MODULE_LICENSE("Dual BSD/GPL"); | |
89 | ||
a9533e7e HP |
90 | /* recognized PCI IDs */ |
91 | static struct pci_device_id wl_id_table[] = { | |
92 | {PCI_VENDOR_ID_BROADCOM, 0x4357, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43225 2G */ | |
93 | {PCI_VENDOR_ID_BROADCOM, 0x4353, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43224 DUAL */ | |
94 | {PCI_VENDOR_ID_BROADCOM, 0x4727, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 4313 DUAL */ | |
95 | {0} | |
96 | }; | |
97 | ||
98 | MODULE_DEVICE_TABLE(pci, wl_id_table); | |
a9533e7e HP |
99 | |
100 | #ifdef BCMDBG | |
101 | static int msglevel = 0xdeadbeef; | |
102 | module_param(msglevel, int, 0); | |
a9533e7e HP |
103 | static int phymsglevel = 0xdeadbeef; |
104 | module_param(phymsglevel, int, 0); | |
a9533e7e HP |
105 | #endif /* BCMDBG */ |
106 | ||
0d706ef4 JC |
107 | #define HW_TO_WL(hw) (hw->priv) |
108 | #define WL_TO_HW(wl) (wl->pub->ieee_hw) | |
62b54dca AS |
109 | |
110 | /* MAC80211 callback functions */ | |
a9533e7e HP |
111 | static int wl_ops_start(struct ieee80211_hw *hw); |
112 | static void wl_ops_stop(struct ieee80211_hw *hw); | |
113 | static int wl_ops_add_interface(struct ieee80211_hw *hw, | |
114 | struct ieee80211_vif *vif); | |
115 | static void wl_ops_remove_interface(struct ieee80211_hw *hw, | |
116 | struct ieee80211_vif *vif); | |
117 | static int wl_ops_config(struct ieee80211_hw *hw, u32 changed); | |
118 | static void wl_ops_bss_info_changed(struct ieee80211_hw *hw, | |
119 | struct ieee80211_vif *vif, | |
120 | struct ieee80211_bss_conf *info, | |
121 | u32 changed); | |
122 | static void wl_ops_configure_filter(struct ieee80211_hw *hw, | |
123 | unsigned int changed_flags, | |
124 | unsigned int *total_flags, u64 multicast); | |
125 | static int wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, | |
126 | bool set); | |
127 | static void wl_ops_sw_scan_start(struct ieee80211_hw *hw); | |
128 | static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw); | |
129 | static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf); | |
130 | static int wl_ops_get_stats(struct ieee80211_hw *hw, | |
131 | struct ieee80211_low_level_stats *stats); | |
132 | static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value); | |
133 | static void wl_ops_sta_notify(struct ieee80211_hw *hw, | |
134 | struct ieee80211_vif *vif, | |
135 | enum sta_notify_cmd cmd, | |
136 | struct ieee80211_sta *sta); | |
137 | static int wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
138 | const struct ieee80211_tx_queue_params *params); | |
139 | static u64 wl_ops_get_tsf(struct ieee80211_hw *hw); | |
3646dd97 | 140 | static int wl_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
a9533e7e | 141 | struct ieee80211_sta *sta); |
3646dd97 | 142 | static int wl_ops_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
a9533e7e | 143 | struct ieee80211_sta *sta); |
3646dd97 AS |
144 | static int wl_ops_ampdu_action(struct ieee80211_hw *hw, |
145 | struct ieee80211_vif *vif, | |
146 | enum ieee80211_ampdu_mlme_action action, | |
c0365f04 JMC |
147 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, |
148 | u8 buf_size); | |
5abb04a6 | 149 | static void wl_ops_rfkill_poll(struct ieee80211_hw *hw); |
a9533e7e | 150 | |
7bb45683 | 151 | static void wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
a9533e7e | 152 | { |
2cb22a7a | 153 | struct wl_info *wl = hw->priv; |
4a079150 | 154 | |
a9533e7e HP |
155 | WL_LOCK(wl); |
156 | if (!wl->pub->up) { | |
f4528696 | 157 | WL_ERROR("ops->tx called while down\n"); |
7bb45683 | 158 | kfree_skb(skb); |
a9533e7e HP |
159 | goto done; |
160 | } | |
7bb45683 | 161 | wlc_sendpkt_mac80211(wl->wlc, skb, hw); |
a9533e7e HP |
162 | done: |
163 | WL_UNLOCK(wl); | |
a9533e7e | 164 | } |
a9533e7e HP |
165 | |
166 | static int wl_ops_start(struct ieee80211_hw *hw) | |
167 | { | |
2cb22a7a | 168 | struct wl_info *wl = hw->priv; |
5abb04a6 | 169 | bool blocked; |
f4528696 JP |
170 | /* |
171 | struct ieee80211_channel *curchan = hw->conf.channel; | |
172 | WL_NONE("%s : Initial channel: %d\n", __func__, curchan->hw_value); | |
173 | */ | |
a9533e7e | 174 | |
a9533e7e | 175 | ieee80211_wake_queues(hw); |
2d57aa7b | 176 | WL_LOCK(wl); |
5abb04a6 | 177 | blocked = wl_rfkill_set_hw_state(wl); |
2d57aa7b | 178 | WL_UNLOCK(wl); |
5abb04a6 AS |
179 | if (!blocked) |
180 | wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy); | |
a9533e7e HP |
181 | |
182 | return 0; | |
183 | } | |
184 | ||
185 | static void wl_ops_stop(struct ieee80211_hw *hw) | |
186 | { | |
8d9e9d09 | 187 | #ifdef BRCMDBG |
2cb22a7a | 188 | struct wl_info *wl = hw->priv; |
a9533e7e | 189 | ASSERT(wl); |
8d9e9d09 | 190 | #endif /*BRCMDBG*/ |
a9533e7e | 191 | ieee80211_stop_queues(hw); |
a9533e7e HP |
192 | } |
193 | ||
194 | static int | |
195 | wl_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
196 | { | |
2cb22a7a | 197 | struct wl_info *wl; |
a9533e7e HP |
198 | int err; |
199 | ||
200 | /* Just STA for now */ | |
201 | if (vif->type != NL80211_IFTYPE_AP && | |
202 | vif->type != NL80211_IFTYPE_MESH_POINT && | |
203 | vif->type != NL80211_IFTYPE_STATION && | |
204 | vif->type != NL80211_IFTYPE_WDS && | |
205 | vif->type != NL80211_IFTYPE_ADHOC) { | |
f4528696 JP |
206 | WL_ERROR("%s: Attempt to add type %d, only STA for now\n", |
207 | __func__, vif->type); | |
a9533e7e HP |
208 | return -EOPNOTSUPP; |
209 | } | |
210 | ||
211 | wl = HW_TO_WL(hw); | |
212 | WL_LOCK(wl); | |
213 | err = wl_up(wl); | |
214 | WL_UNLOCK(wl); | |
215 | ||
5abb04a6 | 216 | if (err != 0) { |
f4528696 | 217 | WL_ERROR("%s: wl_up() returned %d\n", __func__, err); |
5abb04a6 | 218 | } |
a9533e7e HP |
219 | return err; |
220 | } | |
221 | ||
222 | static void | |
223 | wl_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
224 | { | |
4032ec63 AS |
225 | struct wl_info *wl; |
226 | ||
227 | wl = HW_TO_WL(hw); | |
228 | ||
229 | /* put driver in down state */ | |
230 | WL_LOCK(wl); | |
231 | wl_down(wl); | |
232 | WL_UNLOCK(wl); | |
a9533e7e HP |
233 | } |
234 | ||
55182a10 RV |
235 | /* |
236 | * precondition: perimeter lock has been acquired | |
237 | */ | |
a9533e7e HP |
238 | static int |
239 | ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan, | |
240 | enum nl80211_channel_type type) | |
241 | { | |
2cb22a7a | 242 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
243 | int err = 0; |
244 | ||
245 | switch (type) { | |
246 | case NL80211_CHAN_HT20: | |
247 | case NL80211_CHAN_NO_HT: | |
a9533e7e | 248 | err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value); |
a9533e7e HP |
249 | break; |
250 | case NL80211_CHAN_HT40MINUS: | |
251 | case NL80211_CHAN_HT40PLUS: | |
f4528696 | 252 | WL_ERROR("%s: Need to implement 40 Mhz Channels!\n", __func__); |
9d2c4156 | 253 | err = 1; |
a9533e7e HP |
254 | break; |
255 | } | |
256 | ||
257 | if (err) | |
258 | return -EIO; | |
259 | return err; | |
260 | } | |
261 | ||
262 | static int wl_ops_config(struct ieee80211_hw *hw, u32 changed) | |
263 | { | |
264 | struct ieee80211_conf *conf = &hw->conf; | |
2cb22a7a | 265 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
266 | int err = 0; |
267 | int new_int; | |
268 | ||
6a3be6e6 | 269 | WL_LOCK(wl); |
a9533e7e | 270 | if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { |
a9533e7e HP |
271 | if (wlc_iovar_setint |
272 | (wl->wlc, "bcn_li_bcn", conf->listen_interval)) { | |
f4528696 JP |
273 | WL_ERROR("%s: Error setting listen_interval\n", |
274 | __func__); | |
a9533e7e HP |
275 | err = -EIO; |
276 | goto config_out; | |
277 | } | |
278 | wlc_iovar_getint(wl->wlc, "bcn_li_bcn", &new_int); | |
279 | ASSERT(new_int == conf->listen_interval); | |
280 | } | |
281 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) | |
4a079150 AS |
282 | WL_ERROR("%s: change monitor mode: %s (implement)\n", __func__, |
283 | conf->flags & IEEE80211_CONF_MONITOR ? | |
284 | "true" : "false"); | |
a9533e7e | 285 | if (changed & IEEE80211_CONF_CHANGE_PS) |
4a079150 AS |
286 | WL_ERROR("%s: change power-save mode: %s (implement)\n", |
287 | __func__, conf->flags & IEEE80211_CONF_PS ? | |
288 | "true" : "false"); | |
a9533e7e HP |
289 | |
290 | if (changed & IEEE80211_CONF_CHANGE_POWER) { | |
a9533e7e HP |
291 | if (wlc_iovar_setint |
292 | (wl->wlc, "qtxpower", conf->power_level * 4)) { | |
f4528696 | 293 | WL_ERROR("%s: Error setting power_level\n", __func__); |
a9533e7e HP |
294 | err = -EIO; |
295 | goto config_out; | |
296 | } | |
297 | wlc_iovar_getint(wl->wlc, "qtxpower", &new_int); | |
298 | if (new_int != (conf->power_level * 4)) | |
f4528696 JP |
299 | WL_ERROR("%s: Power level req != actual, %d %d\n", |
300 | __func__, conf->power_level * 4, new_int); | |
a9533e7e HP |
301 | } |
302 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
303 | err = ieee_set_channel(hw, conf->channel, conf->channel_type); | |
304 | } | |
305 | if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { | |
a9533e7e HP |
306 | if (wlc_set |
307 | (wl->wlc, WLC_SET_SRL, | |
308 | conf->short_frame_max_tx_count) < 0) { | |
f4528696 | 309 | WL_ERROR("%s: Error setting srl\n", __func__); |
a9533e7e HP |
310 | err = -EIO; |
311 | goto config_out; | |
312 | } | |
313 | if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count) | |
314 | < 0) { | |
f4528696 | 315 | WL_ERROR("%s: Error setting lrl\n", __func__); |
a9533e7e HP |
316 | err = -EIO; |
317 | goto config_out; | |
318 | } | |
319 | } | |
320 | ||
321 | config_out: | |
6a3be6e6 | 322 | WL_UNLOCK(wl); |
a9533e7e HP |
323 | return err; |
324 | } | |
325 | ||
326 | static void | |
327 | wl_ops_bss_info_changed(struct ieee80211_hw *hw, | |
328 | struct ieee80211_vif *vif, | |
329 | struct ieee80211_bss_conf *info, u32 changed) | |
330 | { | |
2cb22a7a | 331 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
332 | int val; |
333 | ||
a9533e7e | 334 | if (changed & BSS_CHANGED_ASSOC) { |
a9533e7e HP |
335 | /* association status changed (associated/disassociated) |
336 | * also implies a change in the AID. | |
337 | */ | |
4a079150 AS |
338 | WL_ERROR("%s: %s: %sassociated\n", KBUILD_MODNAME, __func__, |
339 | info->assoc ? "" : "dis"); | |
d8a1fb44 | 340 | wlc_associate_upd(wl->wlc, info->assoc); |
a9533e7e HP |
341 | } |
342 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
a9533e7e | 343 | /* CTS protection changed */ |
4a079150 AS |
344 | WL_ERROR("%s: use_cts_prot: %s (implement)\n", __func__, |
345 | info->use_cts_prot ? "true" : "false"); | |
a9533e7e HP |
346 | } |
347 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
a9533e7e | 348 | /* preamble changed */ |
4a079150 AS |
349 | WL_ERROR("%s: short preamble: %s (implement)\n", __func__, |
350 | info->use_short_preamble ? "true" : "false"); | |
a9533e7e HP |
351 | } |
352 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
4a079150 | 353 | /* slot timing changed */ |
a9533e7e HP |
354 | if (info->use_short_slot) |
355 | val = 1; | |
356 | else | |
357 | val = 0; | |
2d57aa7b | 358 | WL_LOCK(wl); |
a9533e7e | 359 | wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val); |
2d57aa7b | 360 | WL_UNLOCK(wl); |
a9533e7e HP |
361 | } |
362 | ||
363 | if (changed & BSS_CHANGED_HT) { | |
a9533e7e | 364 | /* 802.11n parameters changed */ |
4a079150 | 365 | u16 mode = info->ht_operation_mode; |
e0caf150 AS |
366 | WL_NONE("%s: HT mode: 0x%04X\n", __func__, mode); |
367 | wlc_protection_upd(wl->wlc, WLC_PROT_N_CFG, | |
368 | mode & IEEE80211_HT_OP_MODE_PROTECTION); | |
369 | wlc_protection_upd(wl->wlc, WLC_PROT_N_NONGF, | |
370 | mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); | |
371 | wlc_protection_upd(wl->wlc, WLC_PROT_N_OBSS, | |
372 | mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT); | |
a9533e7e HP |
373 | } |
374 | if (changed & BSS_CHANGED_BASIC_RATES) { | |
a9533e7e | 375 | /* Basic rateset changed */ |
4a079150 AS |
376 | WL_ERROR("%s: Need to change Basic Rates: 0x%x (implement)\n", |
377 | __func__, (u32) info->basic_rates); | |
a9533e7e HP |
378 | } |
379 | if (changed & BSS_CHANGED_BEACON_INT) { | |
a9533e7e | 380 | /* Beacon interval changed */ |
c234656f | 381 | WL_NONE("%s: Beacon Interval: %d\n", |
4a079150 | 382 | __func__, info->beacon_int); |
c234656f | 383 | wlc_set(wl->wlc, WLC_SET_BCNPRD, info->beacon_int); |
a9533e7e HP |
384 | } |
385 | if (changed & BSS_CHANGED_BSSID) { | |
4a079150 | 386 | /* BSSID changed, for whatever reason (IBSS and managed mode) */ |
4191e2d5 | 387 | WL_NONE("%s: new BSSID: aid %d bss:%pM\n", __func__, |
f4528696 | 388 | info->aid, info->bssid); |
2d57aa7b | 389 | WL_LOCK(wl); |
a9533e7e | 390 | wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, |
a44d4236 | 391 | info->bssid); |
2d57aa7b | 392 | WL_UNLOCK(wl); |
a9533e7e HP |
393 | } |
394 | if (changed & BSS_CHANGED_BEACON) { | |
a9533e7e | 395 | /* Beacon data changed, retrieve new beacon (beaconing modes) */ |
4191e2d5 | 396 | WL_ERROR("%s: beacon changed\n", __func__); |
a9533e7e HP |
397 | } |
398 | if (changed & BSS_CHANGED_BEACON_ENABLED) { | |
a9533e7e | 399 | /* Beaconing should be enabled/disabled (beaconing modes) */ |
4191e2d5 | 400 | WL_ERROR("%s: Beacon enabled: %s\n", __func__, |
4a079150 | 401 | info->enable_beacon ? "true" : "false"); |
a9533e7e | 402 | } |
4191e2d5 AS |
403 | if (changed & BSS_CHANGED_CQM) { |
404 | /* Connection quality monitor config changed */ | |
405 | WL_ERROR("%s: cqm change: threshold %d, hys %d (implement)\n", | |
406 | __func__, info->cqm_rssi_thold, info->cqm_rssi_hyst); | |
407 | } | |
408 | if (changed & BSS_CHANGED_IBSS) { | |
409 | /* IBSS join status changed */ | |
410 | WL_ERROR("%s: IBSS joined: %s (implement)\n", __func__, | |
411 | info->ibss_joined ? "true" : "false"); | |
412 | } | |
413 | if (changed & BSS_CHANGED_ARP_FILTER) { | |
414 | /* Hardware ARP filter address list or state changed */ | |
415 | WL_ERROR("%s: arp filtering: enabled %s, count %d (implement)\n", | |
416 | __func__, info->arp_filter_enabled ? "true" : "false", | |
417 | info->arp_addr_cnt); | |
418 | } | |
419 | if (changed & BSS_CHANGED_QOS) { | |
420 | /* | |
421 | * QoS for this association was enabled/disabled. | |
422 | * Note that it is only ever disabled for station mode. | |
423 | */ | |
424 | WL_ERROR("%s: qos enabled: %s (implement)\n", __func__, | |
425 | info->qos ? "true" : "false"); | |
426 | } | |
427 | if (changed & BSS_CHANGED_IDLE) { | |
428 | /* Idle changed for this BSS/interface */ | |
429 | WL_ERROR("%s: BSS idle: %s (implement)\n", __func__, | |
430 | info->idle ? "true" : "false"); | |
431 | } | |
a9533e7e HP |
432 | return; |
433 | } | |
434 | ||
435 | static void | |
436 | wl_ops_configure_filter(struct ieee80211_hw *hw, | |
437 | unsigned int changed_flags, | |
438 | unsigned int *total_flags, u64 multicast) | |
439 | { | |
2cb22a7a | 440 | struct wl_info *wl = hw->priv; |
a9533e7e HP |
441 | |
442 | changed_flags &= MAC_FILTERS; | |
443 | *total_flags &= MAC_FILTERS; | |
444 | if (changed_flags & FIF_PROMISC_IN_BSS) | |
f4528696 | 445 | WL_ERROR("FIF_PROMISC_IN_BSS\n"); |
a9533e7e | 446 | if (changed_flags & FIF_ALLMULTI) |
f4528696 | 447 | WL_ERROR("FIF_ALLMULTI\n"); |
a9533e7e | 448 | if (changed_flags & FIF_FCSFAIL) |
f4528696 | 449 | WL_ERROR("FIF_FCSFAIL\n"); |
a9533e7e | 450 | if (changed_flags & FIF_PLCPFAIL) |
f4528696 | 451 | WL_ERROR("FIF_PLCPFAIL\n"); |
a9533e7e | 452 | if (changed_flags & FIF_CONTROL) |
f4528696 | 453 | WL_ERROR("FIF_CONTROL\n"); |
a9533e7e | 454 | if (changed_flags & FIF_OTHER_BSS) |
f4528696 | 455 | WL_ERROR("FIF_OTHER_BSS\n"); |
a9533e7e | 456 | if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { |
f4528696 | 457 | WL_NONE("FIF_BCN_PRBRESP_PROMISC\n"); |
a9533e7e HP |
458 | WL_LOCK(wl); |
459 | if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { | |
460 | wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS; | |
461 | wlc_mac_bcn_promisc_change(wl->wlc, 1); | |
462 | } else { | |
463 | wlc_mac_bcn_promisc_change(wl->wlc, 0); | |
464 | wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS; | |
465 | } | |
466 | WL_UNLOCK(wl); | |
a9533e7e HP |
467 | } |
468 | return; | |
469 | } | |
470 | ||
471 | static int | |
472 | wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set) | |
473 | { | |
4a079150 | 474 | WL_NONE("%s: Enter\n", __func__); |
a9533e7e HP |
475 | return 0; |
476 | } | |
477 | ||
478 | static void wl_ops_sw_scan_start(struct ieee80211_hw *hw) | |
479 | { | |
6a3be6e6 | 480 | struct wl_info *wl = hw->priv; |
f4528696 | 481 | WL_NONE("Scan Start\n"); |
6a3be6e6 RV |
482 | WL_LOCK(wl); |
483 | wlc_scan_start(wl->wlc); | |
484 | WL_UNLOCK(wl); | |
a9533e7e HP |
485 | return; |
486 | } | |
487 | ||
488 | static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw) | |
489 | { | |
6a3be6e6 | 490 | struct wl_info *wl = hw->priv; |
f4528696 | 491 | WL_NONE("Scan Complete\n"); |
6a3be6e6 RV |
492 | WL_LOCK(wl); |
493 | wlc_scan_stop(wl->wlc); | |
494 | WL_UNLOCK(wl); | |
a9533e7e HP |
495 | return; |
496 | } | |
497 | ||
498 | static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf) | |
499 | { | |
f4528696 | 500 | WL_ERROR("%s: Enter\n", __func__); |
a9533e7e HP |
501 | return; |
502 | } | |
503 | ||
504 | static int | |
505 | wl_ops_get_stats(struct ieee80211_hw *hw, | |
506 | struct ieee80211_low_level_stats *stats) | |
507 | { | |
e4cf544e AS |
508 | struct wl_info *wl = hw->priv; |
509 | struct wl_cnt *cnt; | |
510 | ||
511 | WL_LOCK(wl); | |
512 | cnt = wl->pub->_cnt; | |
513 | stats->dot11ACKFailureCount = cnt->txnoack; | |
514 | stats->dot11RTSFailureCount = cnt->txnocts; | |
515 | stats->dot11FCSErrorCount = cnt->rxcrc; | |
516 | stats->dot11RTSSuccessCount = cnt->txrts; | |
517 | WL_UNLOCK(wl); | |
a9533e7e HP |
518 | return 0; |
519 | } | |
520 | ||
521 | static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
522 | { | |
fd821d1e AS |
523 | struct wl_info *wl = hw->priv; |
524 | ||
525 | WL_LOCK(wl); | |
526 | wlc_iovar_setint(wl->wlc, "rtsthresh", value & 0xFFFF); | |
527 | WL_UNLOCK(wl); | |
a9533e7e HP |
528 | return 0; |
529 | } | |
530 | ||
531 | static void | |
532 | wl_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
533 | enum sta_notify_cmd cmd, struct ieee80211_sta *sta) | |
534 | { | |
f4528696 | 535 | WL_NONE("%s: Enter\n", __func__); |
a9533e7e HP |
536 | switch (cmd) { |
537 | default: | |
f4528696 | 538 | WL_ERROR("%s: Unknown cmd = %d\n", __func__, cmd); |
a9533e7e HP |
539 | break; |
540 | } | |
541 | return; | |
542 | } | |
543 | ||
544 | static int | |
545 | wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
546 | const struct ieee80211_tx_queue_params *params) | |
547 | { | |
2cb22a7a | 548 | struct wl_info *wl = hw->priv; |
a9533e7e | 549 | |
f4528696 JP |
550 | WL_NONE("%s: Enter (WME config)\n", __func__); |
551 | WL_NONE("queue %d, txop %d, cwmin %d, cwmax %d, aifs %d\n", queue, | |
552 | params->txop, params->cw_min, params->cw_max, params->aifs); | |
a9533e7e HP |
553 | |
554 | WL_LOCK(wl); | |
0f0881b0 | 555 | wlc_wme_setparams(wl->wlc, queue, (void *)params, true); |
a9533e7e HP |
556 | WL_UNLOCK(wl); |
557 | ||
558 | return 0; | |
559 | } | |
560 | ||
561 | static u64 wl_ops_get_tsf(struct ieee80211_hw *hw) | |
562 | { | |
f4528696 | 563 | WL_ERROR("%s: Enter\n", __func__); |
a9533e7e HP |
564 | return 0; |
565 | } | |
566 | ||
567 | static int | |
3646dd97 AS |
568 | wl_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
569 | struct ieee80211_sta *sta) | |
a9533e7e HP |
570 | { |
571 | struct scb *scb; | |
572 | ||
573 | int i; | |
2cb22a7a | 574 | struct wl_info *wl = hw->priv; |
a9533e7e HP |
575 | |
576 | /* Init the scb */ | |
577 | scb = (struct scb *)sta->drv_priv; | |
9249ede9 | 578 | memset(scb, 0, sizeof(struct scb)); |
a9533e7e HP |
579 | for (i = 0; i < NUMPRIO; i++) |
580 | scb->seqctl[i] = 0xFFFF; | |
581 | scb->seqctl_nonqos = 0xFFFF; | |
582 | scb->magic = SCB_MAGIC; | |
583 | ||
584 | wl->pub->global_scb = scb; | |
585 | wl->pub->global_ampdu = &(scb->scb_ampdu); | |
586 | wl->pub->global_ampdu->scb = scb; | |
a9533e7e | 587 | wl->pub->global_ampdu->max_pdu = 16; |
a9533e7e HP |
588 | pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID, |
589 | AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT); | |
590 | ||
0f0881b0 | 591 | sta->ht_cap.ht_supported = true; |
f4728c38 | 592 | sta->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
a9533e7e HP |
593 | sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY; |
594 | sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD | | |
595 | IEEE80211_HT_CAP_SGI_20 | | |
596 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT; | |
597 | ||
598 | /* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */ | |
599 | return 0; | |
600 | } | |
601 | ||
602 | static int | |
3646dd97 AS |
603 | wl_ops_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
604 | struct ieee80211_sta *sta) | |
a9533e7e | 605 | { |
f4528696 | 606 | WL_NONE("%s: Enter\n", __func__); |
a9533e7e HP |
607 | return 0; |
608 | } | |
609 | ||
610 | static int | |
3646dd97 AS |
611 | wl_ops_ampdu_action(struct ieee80211_hw *hw, |
612 | struct ieee80211_vif *vif, | |
613 | enum ieee80211_ampdu_mlme_action action, | |
c0365f04 JMC |
614 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, |
615 | u8 buf_size) | |
a9533e7e HP |
616 | { |
617 | #if defined(BCMDBG) | |
618 | struct scb *scb = (struct scb *)sta->drv_priv; | |
619 | #endif | |
2cb22a7a | 620 | struct wl_info *wl = hw->priv; |
2d57aa7b | 621 | int status; |
a9533e7e HP |
622 | |
623 | ASSERT(scb->magic == SCB_MAGIC); | |
624 | switch (action) { | |
625 | case IEEE80211_AMPDU_RX_START: | |
f4528696 | 626 | WL_NONE("%s: action = IEEE80211_AMPDU_RX_START\n", __func__); |
a9533e7e HP |
627 | break; |
628 | case IEEE80211_AMPDU_RX_STOP: | |
f4528696 | 629 | WL_NONE("%s: action = IEEE80211_AMPDU_RX_STOP\n", __func__); |
a9533e7e HP |
630 | break; |
631 | case IEEE80211_AMPDU_TX_START: | |
2d57aa7b RV |
632 | WL_LOCK(wl); |
633 | status = wlc_aggregatable(wl->wlc, tid); | |
634 | WL_UNLOCK(wl); | |
635 | if (!status) { | |
f4528696 | 636 | /* WL_ERROR("START: tid %d is not agg' able, return FAILURE to stack\n", tid); */ |
a9533e7e HP |
637 | return -1; |
638 | } | |
639 | /* XXX: Use the starting sequence number provided ... */ | |
640 | *ssn = 0; | |
641 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
642 | break; | |
643 | ||
644 | case IEEE80211_AMPDU_TX_STOP: | |
61f44205 RV |
645 | WL_LOCK(wl); |
646 | wlc_ampdu_flush(wl->wlc, sta, tid); | |
647 | WL_UNLOCK(wl); | |
a9533e7e HP |
648 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); |
649 | break; | |
650 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
651 | /* Not sure what to do here */ | |
652 | /* Power save wakeup */ | |
f4528696 JP |
653 | WL_NONE("%s: action = IEEE80211_AMPDU_TX_OPERATIONAL\n", |
654 | __func__); | |
a9533e7e HP |
655 | break; |
656 | default: | |
f4528696 | 657 | WL_ERROR("%s: Invalid command, ignoring\n", __func__); |
a9533e7e HP |
658 | } |
659 | ||
660 | return 0; | |
661 | } | |
662 | ||
5abb04a6 AS |
663 | static void wl_ops_rfkill_poll(struct ieee80211_hw *hw) |
664 | { | |
665 | struct wl_info *wl = HW_TO_WL(hw); | |
666 | bool blocked; | |
667 | ||
668 | WL_LOCK(wl); | |
669 | blocked = wlc_check_radio_disabled(wl->wlc); | |
670 | WL_UNLOCK(wl); | |
671 | ||
4a079150 | 672 | WL_NONE("wl: rfkill_poll: %d\n", blocked); |
5abb04a6 AS |
673 | wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked); |
674 | } | |
675 | ||
a9533e7e | 676 | static const struct ieee80211_ops wl_ops = { |
a9533e7e | 677 | .tx = wl_ops_tx, |
a9533e7e HP |
678 | .start = wl_ops_start, |
679 | .stop = wl_ops_stop, | |
680 | .add_interface = wl_ops_add_interface, | |
681 | .remove_interface = wl_ops_remove_interface, | |
682 | .config = wl_ops_config, | |
683 | .bss_info_changed = wl_ops_bss_info_changed, | |
684 | .configure_filter = wl_ops_configure_filter, | |
685 | .set_tim = wl_ops_set_tim, | |
686 | .sw_scan_start = wl_ops_sw_scan_start, | |
687 | .sw_scan_complete = wl_ops_sw_scan_complete, | |
688 | .set_tsf = wl_ops_set_tsf, | |
689 | .get_stats = wl_ops_get_stats, | |
690 | .set_rts_threshold = wl_ops_set_rts_threshold, | |
691 | .sta_notify = wl_ops_sta_notify, | |
692 | .conf_tx = wl_ops_conf_tx, | |
693 | .get_tsf = wl_ops_get_tsf, | |
3646dd97 AS |
694 | .sta_add = wl_ops_sta_add, |
695 | .sta_remove = wl_ops_sta_remove, | |
696 | .ampdu_action = wl_ops_ampdu_action, | |
5abb04a6 | 697 | .rfkill_poll = wl_ops_rfkill_poll, |
a9533e7e HP |
698 | }; |
699 | ||
55182a10 RV |
700 | /* |
701 | * is called in wl_pci_probe() context, therefore no locking required. | |
702 | */ | |
2cb22a7a | 703 | static int wl_set_hint(struct wl_info *wl, char *abbrev) |
a9533e7e | 704 | { |
4a079150 | 705 | WL_NONE("%s: Sending country code %c%c to MAC80211\n", |
f4528696 | 706 | __func__, abbrev[0], abbrev[1]); |
90ea2296 | 707 | return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev); |
a9533e7e HP |
708 | } |
709 | ||
710 | /** | |
711 | * attach to the WL device. | |
712 | * | |
713 | * Attach to the WL device identified by vendor and device parameters. | |
714 | * regs is a host accessible memory address pointing to WL device registers. | |
715 | * | |
716 | * wl_attach is not defined as static because in the case where no bus | |
717 | * is defined, wl_attach will never be called, and thus, gcc will issue | |
718 | * a warning that this function is defined but not used if we declare | |
719 | * it as static. | |
55182a10 RV |
720 | * |
721 | * | |
722 | * is called in wl_pci_probe() context, therefore no locking required. | |
a9533e7e | 723 | */ |
2cb22a7a | 724 | static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs, |
a9533e7e HP |
725 | uint bustype, void *btparam, uint irq) |
726 | { | |
2cb22a7a | 727 | struct wl_info *wl; |
a9533e7e HP |
728 | int unit, err; |
729 | ||
3deea904 | 730 | unsigned long base_addr; |
a9533e7e | 731 | struct ieee80211_hw *hw; |
41feb5ed | 732 | u8 perm[ETH_ALEN]; |
a9533e7e | 733 | |
06fc8846 | 734 | unit = wl_found; |
a9533e7e HP |
735 | err = 0; |
736 | ||
737 | if (unit < 0) { | |
f4528696 | 738 | WL_ERROR("wl%d: unit number overflow, exiting\n", unit); |
a9533e7e HP |
739 | return NULL; |
740 | } | |
741 | ||
a9533e7e HP |
742 | /* allocate private info */ |
743 | hw = pci_get_drvdata(btparam); /* btparam == pdev */ | |
744 | wl = hw->priv; | |
a9533e7e HP |
745 | ASSERT(wl); |
746 | ||
a9533e7e HP |
747 | atomic_set(&wl->callbacks, 0); |
748 | ||
eb4764c3 | 749 | /* setup the bottom half handler */ |
3deea904 | 750 | tasklet_init(&wl->tasklet, wl_dpc, (unsigned long) wl); |
eb4764c3 | 751 | |
a9533e7e | 752 | |
a9533e7e HP |
753 | |
754 | base_addr = regs; | |
755 | ||
756 | if (bustype == PCI_BUS) { | |
06fc8846 | 757 | wl->piomode = false; |
a9533e7e HP |
758 | } else if (bustype == RPC_BUS) { |
759 | /* Do nothing */ | |
760 | } else { | |
761 | bustype = PCI_BUS; | |
f4528696 | 762 | WL_TRACE("force to PCI\n"); |
a9533e7e HP |
763 | } |
764 | wl->bcm_bustype = bustype; | |
765 | ||
ca8c1e59 JC |
766 | wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ); |
767 | if (wl->regsva == NULL) { | |
f4528696 | 768 | WL_ERROR("wl%d: ioremap() failed\n", unit); |
a9533e7e HP |
769 | goto fail; |
770 | } | |
a9533e7e HP |
771 | spin_lock_init(&wl->lock); |
772 | spin_lock_init(&wl->isr_lock); | |
a9533e7e | 773 | |
a9533e7e | 774 | /* prepare ucode */ |
7249e6a1 | 775 | if (wl_request_fw(wl, (struct pci_dev *)btparam) < 0) { |
0bef7748 AS |
776 | WL_ERROR("%s: Failed to find firmware usually in %s\n", |
777 | KBUILD_MODNAME, "/lib/firmware/brcm"); | |
683b505b BR |
778 | wl_release_fw(wl); |
779 | wl_remove((struct pci_dev *)btparam); | |
780 | goto fail1; | |
a9533e7e | 781 | } |
a9533e7e HP |
782 | |
783 | /* common load-time initialization */ | |
3c9d4c37 | 784 | wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode, |
eb4764c3 | 785 | wl->regsva, wl->bcm_bustype, btparam, &err); |
eb4764c3 | 786 | wl_release_fw(wl); |
eb4764c3 | 787 | if (!wl->wlc) { |
0bef7748 AS |
788 | WL_ERROR("%s: wlc_attach() failed with code %d\n", |
789 | KBUILD_MODNAME, err); | |
a9533e7e HP |
790 | goto fail; |
791 | } | |
a9533e7e HP |
792 | wl->pub = wlc_pub(wl->wlc); |
793 | ||
794 | wl->pub->ieee_hw = hw; | |
795 | ASSERT(wl->pub->ieee_hw); | |
796 | ASSERT(wl->pub->ieee_hw->priv == wl); | |
797 | ||
a9533e7e | 798 | |
06fc8846 | 799 | if (wlc_iovar_setint(wl->wlc, "mpc", 0)) { |
f4528696 | 800 | WL_ERROR("wl%d: Error setting MPC variable to 0\n", unit); |
a9533e7e | 801 | } |
a9533e7e | 802 | |
a9533e7e HP |
803 | /* register our interrupt handler */ |
804 | if (request_irq(irq, wl_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) { | |
f4528696 | 805 | WL_ERROR("wl%d: request_irq() failed\n", unit); |
a9533e7e HP |
806 | goto fail; |
807 | } | |
808 | wl->irq = irq; | |
a9533e7e HP |
809 | |
810 | /* register module */ | |
811 | wlc_module_register(wl->pub, NULL, "linux", wl, NULL, wl_linux_watchdog, | |
812 | NULL); | |
813 | ||
814 | if (ieee_hw_init(hw)) { | |
f4528696 | 815 | WL_ERROR("wl%d: %s: ieee_hw_init failed!\n", unit, __func__); |
a9533e7e HP |
816 | goto fail; |
817 | } | |
818 | ||
02160695 | 819 | memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN); |
a9533e7e HP |
820 | ASSERT(is_valid_ether_addr(perm)); |
821 | SET_IEEE80211_PERM_ADDR(hw, perm); | |
822 | ||
823 | err = ieee80211_register_hw(hw); | |
824 | if (err) { | |
f4528696 JP |
825 | WL_ERROR("%s: ieee80211_register_hw failed, status %d\n", |
826 | __func__, err); | |
a9533e7e HP |
827 | } |
828 | ||
829 | if (wl->pub->srom_ccode[0]) | |
830 | err = wl_set_hint(wl, wl->pub->srom_ccode); | |
831 | else | |
832 | err = wl_set_hint(wl, "US"); | |
833 | if (err) { | |
f4528696 JP |
834 | WL_ERROR("%s: regulatory_hint failed, status %d\n", |
835 | __func__, err); | |
a9533e7e | 836 | } |
a9533e7e | 837 | |
a9533e7e HP |
838 | wl_found++; |
839 | return wl; | |
840 | ||
4032ec63 | 841 | fail: |
a9533e7e | 842 | wl_free(wl); |
9e56568a | 843 | fail1: |
a9533e7e HP |
844 | return NULL; |
845 | } | |
846 | ||
a9533e7e | 847 | |
a9533e7e HP |
848 | |
849 | #define CHAN2GHZ(channel, freqency, chflags) { \ | |
850 | .band = IEEE80211_BAND_2GHZ, \ | |
851 | .center_freq = (freqency), \ | |
852 | .hw_value = (channel), \ | |
853 | .flags = chflags, \ | |
854 | .max_antenna_gain = 0, \ | |
855 | .max_power = 19, \ | |
856 | } | |
857 | ||
858 | static struct ieee80211_channel wl_2ghz_chantable[] = { | |
859 | CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS), | |
860 | CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS), | |
861 | CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS), | |
862 | CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS), | |
863 | CHAN2GHZ(5, 2432, 0), | |
864 | CHAN2GHZ(6, 2437, 0), | |
865 | CHAN2GHZ(7, 2442, 0), | |
866 | CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS), | |
867 | CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS), | |
868 | CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS), | |
869 | CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS), | |
870 | CHAN2GHZ(12, 2467, | |
871 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
872 | IEEE80211_CHAN_NO_HT40PLUS), | |
873 | CHAN2GHZ(13, 2472, | |
874 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
875 | IEEE80211_CHAN_NO_HT40PLUS), | |
876 | CHAN2GHZ(14, 2484, | |
877 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
878 | IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
879 | }; | |
880 | ||
881 | #define CHAN5GHZ(channel, chflags) { \ | |
882 | .band = IEEE80211_BAND_5GHZ, \ | |
883 | .center_freq = 5000 + 5*(channel), \ | |
884 | .hw_value = (channel), \ | |
885 | .flags = chflags, \ | |
886 | .max_antenna_gain = 0, \ | |
887 | .max_power = 21, \ | |
888 | } | |
889 | ||
890 | static struct ieee80211_channel wl_5ghz_nphy_chantable[] = { | |
891 | /* UNII-1 */ | |
892 | CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS), | |
893 | CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS), | |
894 | CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS), | |
895 | CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS), | |
896 | /* UNII-2 */ | |
897 | CHAN5GHZ(52, | |
898 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
899 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
900 | CHAN5GHZ(56, | |
901 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
902 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
903 | CHAN5GHZ(60, | |
904 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
905 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
906 | CHAN5GHZ(64, | |
907 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
908 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
909 | /* MID */ | |
910 | CHAN5GHZ(100, | |
911 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
912 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
913 | CHAN5GHZ(104, | |
914 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
915 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
916 | CHAN5GHZ(108, | |
917 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
918 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
919 | CHAN5GHZ(112, | |
920 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
921 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
922 | CHAN5GHZ(116, | |
923 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
924 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
925 | CHAN5GHZ(120, | |
926 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
927 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
928 | CHAN5GHZ(124, | |
929 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
930 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
931 | CHAN5GHZ(128, | |
932 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
933 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
934 | CHAN5GHZ(132, | |
935 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
936 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
937 | CHAN5GHZ(136, | |
938 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
939 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
940 | CHAN5GHZ(140, | |
941 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
942 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS | | |
943 | IEEE80211_CHAN_NO_HT40MINUS), | |
944 | /* UNII-3 */ | |
945 | CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS), | |
946 | CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS), | |
947 | CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS), | |
948 | CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS), | |
949 | CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
950 | }; | |
951 | ||
952 | #define RATE(rate100m, _flags) { \ | |
953 | .bitrate = (rate100m), \ | |
954 | .flags = (_flags), \ | |
955 | .hw_value = (rate100m / 5), \ | |
956 | } | |
957 | ||
958 | static struct ieee80211_rate wl_legacy_ratetable[] = { | |
959 | RATE(10, 0), | |
960 | RATE(20, IEEE80211_RATE_SHORT_PREAMBLE), | |
961 | RATE(55, IEEE80211_RATE_SHORT_PREAMBLE), | |
962 | RATE(110, IEEE80211_RATE_SHORT_PREAMBLE), | |
963 | RATE(60, 0), | |
964 | RATE(90, 0), | |
965 | RATE(120, 0), | |
966 | RATE(180, 0), | |
967 | RATE(240, 0), | |
968 | RATE(360, 0), | |
969 | RATE(480, 0), | |
970 | RATE(540, 0), | |
971 | }; | |
972 | ||
973 | static struct ieee80211_supported_band wl_band_2GHz_nphy = { | |
974 | .band = IEEE80211_BAND_2GHZ, | |
975 | .channels = wl_2ghz_chantable, | |
976 | .n_channels = ARRAY_SIZE(wl_2ghz_chantable), | |
977 | .bitrates = wl_legacy_ratetable, | |
978 | .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable), | |
979 | .ht_cap = { | |
980 | /* from include/linux/ieee80211.h */ | |
981 | .cap = IEEE80211_HT_CAP_GRN_FLD | | |
982 | IEEE80211_HT_CAP_SGI_20 | | |
983 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT, | |
a9533e7e | 984 | .ht_supported = true, |
f4728c38 | 985 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, |
a9533e7e HP |
986 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, |
987 | .mcs = { | |
988 | /* placeholders for now */ | |
a9533e7e HP |
989 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, |
990 | .rx_highest = 500, | |
a9533e7e HP |
991 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} |
992 | } | |
993 | }; | |
994 | ||
995 | static struct ieee80211_supported_band wl_band_5GHz_nphy = { | |
996 | .band = IEEE80211_BAND_5GHZ, | |
997 | .channels = wl_5ghz_nphy_chantable, | |
998 | .n_channels = ARRAY_SIZE(wl_5ghz_nphy_chantable), | |
999 | .bitrates = wl_legacy_ratetable + 4, | |
1000 | .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable) - 4, | |
1001 | .ht_cap = { | |
1002 | /* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */ | |
1003 | .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 */ | |
1004 | .ht_supported = true, | |
f4728c38 | 1005 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, |
a9533e7e HP |
1006 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, |
1007 | .mcs = { | |
1008 | /* placeholders for now */ | |
1009 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, | |
1010 | .rx_highest = 500, | |
1011 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} | |
1012 | } | |
1013 | }; | |
1014 | ||
55182a10 RV |
1015 | /* |
1016 | * is called in wl_pci_probe() context, therefore no locking required. | |
1017 | */ | |
a9533e7e HP |
1018 | static int ieee_hw_rate_init(struct ieee80211_hw *hw) |
1019 | { | |
2cb22a7a | 1020 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
1021 | int has_5g; |
1022 | char phy_list[4]; | |
1023 | ||
1024 | has_5g = 0; | |
1025 | ||
1026 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL; | |
1027 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; | |
1028 | ||
1029 | if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) { | |
f4528696 | 1030 | WL_ERROR("Phy list failed\n"); |
a9533e7e | 1031 | } |
f4528696 | 1032 | WL_NONE("%s: phylist = %c\n", __func__, phy_list[0]); |
a9533e7e | 1033 | |
a9533e7e HP |
1034 | if (phy_list[0] == 'n' || phy_list[0] == 'c') { |
1035 | if (phy_list[0] == 'c') { | |
1036 | /* Single stream */ | |
1037 | wl_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0; | |
1038 | wl_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72; | |
1039 | } | |
a9533e7e HP |
1040 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl_band_2GHz_nphy; |
1041 | } else { | |
1042 | BUG(); | |
90ea2296 | 1043 | return -1; |
a9533e7e HP |
1044 | } |
1045 | ||
1046 | /* Assume all bands use the same phy. True for 11n devices. */ | |
1047 | if (NBANDS_PUB(wl->pub) > 1) { | |
1048 | has_5g++; | |
a9533e7e | 1049 | if (phy_list[0] == 'n' || phy_list[0] == 'c') { |
a9533e7e HP |
1050 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
1051 | &wl_band_5GHz_nphy; | |
1052 | } else { | |
90ea2296 | 1053 | return -1; |
a9533e7e HP |
1054 | } |
1055 | } | |
1056 | ||
f4528696 | 1057 | WL_NONE("%s: 2ghz = %d, 5ghz = %d\n", __func__, 1, has_5g); |
a9533e7e | 1058 | |
90ea2296 | 1059 | return 0; |
a9533e7e HP |
1060 | } |
1061 | ||
55182a10 RV |
1062 | /* |
1063 | * is called in wl_pci_probe() context, therefore no locking required. | |
1064 | */ | |
a9533e7e HP |
1065 | static int ieee_hw_init(struct ieee80211_hw *hw) |
1066 | { | |
1067 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
1068 | /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */ | |
1069 | | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
1070 | | IEEE80211_HW_AMPDU_AGGREGATION; | |
1071 | ||
1072 | hw->extra_tx_headroom = wlc_get_header_len(); | |
1073 | /* FIXME: should get this from wlc->machwcap */ | |
1074 | hw->queues = 4; | |
1075 | /* FIXME: this doesn't seem to be used properly in minstrel_ht. | |
1076 | * mac80211/status.c:ieee80211_tx_status() checks this value, | |
1077 | * but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate() | |
1078 | * appears to always set 3 rates | |
1079 | */ | |
1080 | hw->max_rates = 2; /* Primary rate and 1 fallback rate */ | |
1081 | ||
25985edc | 1082 | hw->channel_change_time = 7 * 1000; /* channel change time is dependent on chip and band */ |
a9533e7e HP |
1083 | hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); |
1084 | ||
1085 | hw->rate_control_algorithm = "minstrel_ht"; | |
1086 | ||
1087 | hw->sta_data_size = sizeof(struct scb); | |
90ea2296 | 1088 | return ieee_hw_rate_init(hw); |
a9533e7e HP |
1089 | } |
1090 | ||
a9533e7e HP |
1091 | /** |
1092 | * determines if a device is a WL device, and if so, attaches it. | |
1093 | * | |
1094 | * This function determines if a device pointed to by pdev is a WL device, | |
1095 | * and if so, performs a wl_attach() on it. | |
1096 | * | |
55182a10 | 1097 | * Perimeter lock is initialized in the course of this function. |
a9533e7e | 1098 | */ |
62b54dca | 1099 | static int __devinit |
a9533e7e HP |
1100 | wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
1101 | { | |
1102 | int rc; | |
2cb22a7a | 1103 | struct wl_info *wl; |
a9533e7e | 1104 | struct ieee80211_hw *hw; |
66cbd3ab | 1105 | u32 val; |
a9533e7e HP |
1106 | |
1107 | ASSERT(pdev); | |
1108 | ||
f4528696 JP |
1109 | WL_TRACE("%s: bus %d slot %d func %d irq %d\n", |
1110 | __func__, pdev->bus->number, PCI_SLOT(pdev->devfn), | |
1111 | PCI_FUNC(pdev->devfn), pdev->irq); | |
a9533e7e HP |
1112 | |
1113 | if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) || | |
1114 | (((pdev->device & 0xff00) != 0x4300) && | |
1115 | ((pdev->device & 0xff00) != 0x4700) && | |
1116 | ((pdev->device < 43000) || (pdev->device > 43999)))) | |
90ea2296 | 1117 | return -ENODEV; |
a9533e7e HP |
1118 | |
1119 | rc = pci_enable_device(pdev); | |
1120 | if (rc) { | |
f4528696 JP |
1121 | WL_ERROR("%s: Cannot enable device %d-%d_%d\n", |
1122 | __func__, pdev->bus->number, PCI_SLOT(pdev->devfn), | |
1123 | PCI_FUNC(pdev->devfn)); | |
90ea2296 | 1124 | return -ENODEV; |
a9533e7e HP |
1125 | } |
1126 | pci_set_master(pdev); | |
1127 | ||
1128 | pci_read_config_dword(pdev, 0x40, &val); | |
1129 | if ((val & 0x0000ff00) != 0) | |
1130 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); | |
1131 | ||
2cb22a7a | 1132 | hw = ieee80211_alloc_hw(sizeof(struct wl_info), &wl_ops); |
a9533e7e | 1133 | if (!hw) { |
f4528696 | 1134 | WL_ERROR("%s: ieee80211_alloc_hw failed\n", __func__); |
a9533e7e HP |
1135 | rc = -ENOMEM; |
1136 | goto err_1; | |
1137 | } | |
1138 | ||
1139 | SET_IEEE80211_DEV(hw, &pdev->dev); | |
1140 | ||
1141 | pci_set_drvdata(pdev, hw); | |
1142 | ||
9249ede9 | 1143 | memset(hw->priv, 0, sizeof(*wl)); |
a9533e7e HP |
1144 | |
1145 | wl = wl_attach(pdev->vendor, pdev->device, pci_resource_start(pdev, 0), | |
1146 | PCI_BUS, pdev, pdev->irq); | |
1147 | ||
683b505b | 1148 | if (!wl) { |
f4528696 JP |
1149 | WL_ERROR("%s: %s: wl_attach failed!\n", |
1150 | KBUILD_MODNAME, __func__); | |
683b505b BR |
1151 | return -ENODEV; |
1152 | } | |
a9533e7e HP |
1153 | return 0; |
1154 | err_1: | |
f4528696 | 1155 | WL_ERROR("%s: err_1: Major hoarkage\n", __func__); |
a9533e7e HP |
1156 | return 0; |
1157 | } | |
1158 | ||
878a6673 | 1159 | static int wl_suspend(struct pci_dev *pdev, pm_message_t state) |
a9533e7e | 1160 | { |
2cb22a7a | 1161 | struct wl_info *wl; |
a9533e7e HP |
1162 | struct ieee80211_hw *hw; |
1163 | ||
f4528696 | 1164 | WL_TRACE("wl: wl_suspend\n"); |
a9533e7e HP |
1165 | |
1166 | hw = pci_get_drvdata(pdev); | |
1167 | wl = HW_TO_WL(hw); | |
1168 | if (!wl) { | |
f4528696 | 1169 | WL_ERROR("wl: wl_suspend: pci_get_drvdata failed\n"); |
a9533e7e HP |
1170 | return -ENODEV; |
1171 | } | |
1172 | ||
4032ec63 | 1173 | /* only need to flag hw is down for proper resume */ |
a9533e7e | 1174 | WL_LOCK(wl); |
0965ae88 | 1175 | wl->pub->hw_up = false; |
a9533e7e | 1176 | WL_UNLOCK(wl); |
4032ec63 AS |
1177 | |
1178 | pci_save_state(pdev); | |
a9533e7e HP |
1179 | pci_disable_device(pdev); |
1180 | return pci_set_power_state(pdev, PCI_D3hot); | |
1181 | } | |
1182 | ||
1183 | static int wl_resume(struct pci_dev *pdev) | |
1184 | { | |
2cb22a7a | 1185 | struct wl_info *wl; |
a9533e7e HP |
1186 | struct ieee80211_hw *hw; |
1187 | int err = 0; | |
66cbd3ab | 1188 | u32 val; |
a9533e7e | 1189 | |
f4528696 | 1190 | WL_TRACE("wl: wl_resume\n"); |
a9533e7e HP |
1191 | hw = pci_get_drvdata(pdev); |
1192 | wl = HW_TO_WL(hw); | |
1193 | if (!wl) { | |
f4528696 | 1194 | WL_ERROR("wl: wl_resume: pci_get_drvdata failed\n"); |
a9533e7e HP |
1195 | return -ENODEV; |
1196 | } | |
1197 | ||
1198 | err = pci_set_power_state(pdev, PCI_D0); | |
1199 | if (err) | |
1200 | return err; | |
1201 | ||
4032ec63 | 1202 | pci_restore_state(pdev); |
a9533e7e HP |
1203 | |
1204 | err = pci_enable_device(pdev); | |
1205 | if (err) | |
1206 | return err; | |
1207 | ||
1208 | pci_set_master(pdev); | |
1209 | ||
1210 | pci_read_config_dword(pdev, 0x40, &val); | |
1211 | if ((val & 0x0000ff00) != 0) | |
1212 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); | |
1213 | ||
4032ec63 AS |
1214 | /* |
1215 | * done. driver will be put in up state | |
1216 | * in wl_ops_add_interface() call. | |
1217 | */ | |
90ea2296 | 1218 | return err; |
a9533e7e | 1219 | } |
a9533e7e | 1220 | |
55182a10 RV |
1221 | /* |
1222 | * called from both kernel as from wl_*() | |
1223 | * precondition: perimeter lock is not acquired. | |
1224 | */ | |
6f0c5bcd | 1225 | static void wl_remove(struct pci_dev *pdev) |
a9533e7e | 1226 | { |
2cb22a7a | 1227 | struct wl_info *wl; |
a9533e7e | 1228 | struct ieee80211_hw *hw; |
2d57aa7b | 1229 | int status; |
a9533e7e HP |
1230 | |
1231 | hw = pci_get_drvdata(pdev); | |
1232 | wl = HW_TO_WL(hw); | |
1233 | if (!wl) { | |
f4528696 | 1234 | WL_ERROR("wl: wl_remove: pci_get_drvdata failed\n"); |
a9533e7e HP |
1235 | return; |
1236 | } | |
5abb04a6 | 1237 | |
2d57aa7b RV |
1238 | WL_LOCK(wl); |
1239 | status = wlc_chipmatch(pdev->vendor, pdev->device); | |
1240 | WL_UNLOCK(wl); | |
1241 | if (!status) { | |
f4528696 | 1242 | WL_ERROR("wl: wl_remove: wlc_chipmatch failed\n"); |
a9533e7e HP |
1243 | return; |
1244 | } | |
683b505b | 1245 | if (wl->wlc) { |
490e00f6 RV |
1246 | wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false); |
1247 | wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy); | |
683b505b BR |
1248 | ieee80211_unregister_hw(hw); |
1249 | WL_LOCK(wl); | |
1250 | wl_down(wl); | |
1251 | WL_UNLOCK(wl); | |
f4528696 | 1252 | WL_NONE("%s: Down\n", __func__); |
683b505b | 1253 | } |
a9533e7e HP |
1254 | pci_disable_device(pdev); |
1255 | ||
1256 | wl_free(wl); | |
1257 | ||
1258 | pci_set_drvdata(pdev, NULL); | |
1259 | ieee80211_free_hw(hw); | |
1260 | } | |
1261 | ||
1262 | static struct pci_driver wl_pci_driver = { | |
949c3676 GKH |
1263 | .name = KBUILD_MODNAME, |
1264 | .probe = wl_pci_probe, | |
1265 | .suspend = wl_suspend, | |
1266 | .resume = wl_resume, | |
c836f77f AS |
1267 | .remove = __devexit_p(wl_remove), |
1268 | .id_table = wl_id_table, | |
a9533e7e | 1269 | }; |
a9533e7e HP |
1270 | |
1271 | /** | |
1272 | * This is the main entry point for the WL driver. | |
1273 | * | |
1274 | * This function determines if a device pointed to by pdev is a WL device, | |
1275 | * and if so, performs a wl_attach() on it. | |
1276 | * | |
1277 | */ | |
1278 | static int __init wl_module_init(void) | |
1279 | { | |
1280 | int error = -ENODEV; | |
1281 | ||
1282 | #ifdef BCMDBG | |
1283 | if (msglevel != 0xdeadbeef) | |
1284 | wl_msg_level = msglevel; | |
1285 | else { | |
1286 | char *var = getvar(NULL, "wl_msglevel"); | |
e343d3ea AS |
1287 | if (var) { |
1288 | unsigned long value; | |
1289 | ||
1290 | (void)strict_strtoul(var, 0, &value); | |
1291 | wl_msg_level = value; | |
1292 | } | |
a9533e7e | 1293 | } |
e343d3ea AS |
1294 | if (phymsglevel != 0xdeadbeef) |
1295 | phyhal_msg_level = phymsglevel; | |
1296 | else { | |
1297 | char *var = getvar(NULL, "phy_msglevel"); | |
1298 | if (var) { | |
1299 | unsigned long value; | |
1300 | ||
1301 | (void)strict_strtoul(var, 0, &value); | |
1302 | phyhal_msg_level = value; | |
a9533e7e HP |
1303 | } |
1304 | } | |
a9533e7e HP |
1305 | #endif /* BCMDBG */ |
1306 | ||
8ba9cfdb | 1307 | error = pci_register_driver(&wl_pci_driver); |
ca8c1e59 | 1308 | if (!error) |
90ea2296 | 1309 | return 0; |
a9533e7e | 1310 | |
a9533e7e | 1311 | |
a9533e7e | 1312 | |
90ea2296 | 1313 | return error; |
a9533e7e HP |
1314 | } |
1315 | ||
1316 | /** | |
1317 | * This function unloads the WL driver from the system. | |
1318 | * | |
1319 | * This function unconditionally unloads the WL driver module from the | |
1320 | * system. | |
1321 | * | |
1322 | */ | |
1323 | static void __exit wl_module_exit(void) | |
1324 | { | |
a9533e7e | 1325 | pci_unregister_driver(&wl_pci_driver); |
a9533e7e | 1326 | |
a9533e7e HP |
1327 | } |
1328 | ||
1329 | module_init(wl_module_init); | |
1330 | module_exit(wl_module_exit); | |
1331 | ||
1332 | /** | |
1333 | * This function frees the WL per-device resources. | |
1334 | * | |
1335 | * This function frees resources owned by the WL device pointed to | |
1336 | * by the wl parameter. | |
1337 | * | |
55182a10 RV |
1338 | * precondition: can both be called locked and unlocked |
1339 | * | |
a9533e7e | 1340 | */ |
62b54dca | 1341 | static void wl_free(struct wl_info *wl) |
a9533e7e | 1342 | { |
44bb83af | 1343 | struct wl_timer *t, *next; |
a9533e7e HP |
1344 | |
1345 | ASSERT(wl); | |
a9533e7e HP |
1346 | /* free ucode data */ |
1347 | if (wl->fw.fw_cnt) | |
1348 | wl_ucode_data_free(); | |
a9533e7e HP |
1349 | if (wl->irq) |
1350 | free_irq(wl->irq, wl); | |
a9533e7e HP |
1351 | |
1352 | /* kill dpc */ | |
1353 | tasklet_kill(&wl->tasklet); | |
1354 | ||
1355 | if (wl->pub) { | |
1356 | wlc_module_unregister(wl->pub, "linux", wl); | |
1357 | } | |
1358 | ||
1359 | /* free common resources */ | |
1360 | if (wl->wlc) { | |
1361 | wlc_detach(wl->wlc); | |
1362 | wl->wlc = NULL; | |
1363 | wl->pub = NULL; | |
1364 | } | |
1365 | ||
1366 | /* virtual interface deletion is deferred so we cannot spinwait */ | |
1367 | ||
1368 | /* wait for all pending callbacks to complete */ | |
1369 | while (atomic_read(&wl->callbacks) > 0) | |
1370 | schedule(); | |
1371 | ||
1372 | /* free timers */ | |
1373 | for (t = wl->timers; t; t = next) { | |
1374 | next = t->next; | |
1375 | #ifdef BCMDBG | |
46d994b1 | 1376 | kfree(t->name); |
a9533e7e | 1377 | #endif |
182acb3c | 1378 | kfree(t); |
a9533e7e HP |
1379 | } |
1380 | ||
a9533e7e HP |
1381 | /* |
1382 | * unregister_netdev() calls get_stats() which may read chip registers | |
1383 | * so we cannot unmap the chip registers until after calling unregister_netdev() . | |
1384 | */ | |
fa7a1db2 BR |
1385 | if (wl->regsva && wl->bcm_bustype != SDIO_BUS && |
1386 | wl->bcm_bustype != JTAG_BUS) { | |
a9533e7e HP |
1387 | iounmap((void *)wl->regsva); |
1388 | } | |
1389 | wl->regsva = NULL; | |
a9533e7e HP |
1390 | } |
1391 | ||
55182a10 RV |
1392 | /* |
1393 | * precondition: perimeter lock has been acquired | |
1394 | */ | |
2cb22a7a RV |
1395 | void wl_txflowcontrol(struct wl_info *wl, struct wl_if *wlif, bool state, |
1396 | int prio) | |
a9533e7e | 1397 | { |
f4528696 | 1398 | WL_ERROR("Shouldn't be here %s\n", __func__); |
a9533e7e HP |
1399 | } |
1400 | ||
55182a10 RV |
1401 | /* |
1402 | * precondition: perimeter lock has been acquired | |
1403 | */ | |
2cb22a7a | 1404 | void wl_init(struct wl_info *wl) |
a9533e7e | 1405 | { |
f4528696 | 1406 | WL_TRACE("wl%d: wl_init\n", wl->pub->unit); |
a9533e7e HP |
1407 | |
1408 | wl_reset(wl); | |
1409 | ||
1410 | wlc_init(wl->wlc); | |
1411 | } | |
1412 | ||
55182a10 RV |
1413 | /* |
1414 | * precondition: perimeter lock has been acquired | |
1415 | */ | |
2cb22a7a | 1416 | uint wl_reset(struct wl_info *wl) |
a9533e7e | 1417 | { |
f4528696 | 1418 | WL_TRACE("wl%d: wl_reset\n", wl->pub->unit); |
a9533e7e HP |
1419 | |
1420 | wlc_reset(wl->wlc); | |
1421 | ||
1422 | /* dpc will not be rescheduled */ | |
1423 | wl->resched = 0; | |
1424 | ||
90ea2296 | 1425 | return 0; |
a9533e7e HP |
1426 | } |
1427 | ||
1428 | /* | |
1429 | * These are interrupt on/off entry points. Disable interrupts | |
1430 | * during interrupt state transition. | |
1431 | */ | |
2cb22a7a | 1432 | void BCMFASTPATH wl_intrson(struct wl_info *wl) |
a9533e7e | 1433 | { |
a9533e7e HP |
1434 | unsigned long flags; |
1435 | ||
1436 | INT_LOCK(wl, flags); | |
1437 | wlc_intrson(wl->wlc); | |
1438 | INT_UNLOCK(wl, flags); | |
a9533e7e HP |
1439 | } |
1440 | ||
55182a10 RV |
1441 | /* |
1442 | * precondition: perimeter lock has been acquired | |
1443 | */ | |
2cb22a7a | 1444 | bool wl_alloc_dma_resources(struct wl_info *wl, uint addrwidth) |
a9533e7e | 1445 | { |
0f0881b0 | 1446 | return true; |
a9533e7e HP |
1447 | } |
1448 | ||
2cb22a7a | 1449 | u32 BCMFASTPATH wl_intrsoff(struct wl_info *wl) |
a9533e7e | 1450 | { |
a9533e7e | 1451 | unsigned long flags; |
66cbd3ab | 1452 | u32 status; |
a9533e7e HP |
1453 | |
1454 | INT_LOCK(wl, flags); | |
1455 | status = wlc_intrsoff(wl->wlc); | |
1456 | INT_UNLOCK(wl, flags); | |
1457 | return status; | |
a9533e7e HP |
1458 | } |
1459 | ||
2cb22a7a | 1460 | void wl_intrsrestore(struct wl_info *wl, u32 macintmask) |
a9533e7e | 1461 | { |
a9533e7e HP |
1462 | unsigned long flags; |
1463 | ||
1464 | INT_LOCK(wl, flags); | |
1465 | wlc_intrsrestore(wl->wlc, macintmask); | |
1466 | INT_UNLOCK(wl, flags); | |
a9533e7e HP |
1467 | } |
1468 | ||
55182a10 RV |
1469 | /* |
1470 | * precondition: perimeter lock has been acquired | |
1471 | */ | |
2cb22a7a | 1472 | int wl_up(struct wl_info *wl) |
a9533e7e HP |
1473 | { |
1474 | int error = 0; | |
1475 | ||
1476 | if (wl->pub->up) | |
90ea2296 | 1477 | return 0; |
a9533e7e HP |
1478 | |
1479 | error = wlc_up(wl->wlc); | |
1480 | ||
90ea2296 | 1481 | return error; |
a9533e7e HP |
1482 | } |
1483 | ||
55182a10 RV |
1484 | /* |
1485 | * precondition: perimeter lock has been acquired | |
1486 | */ | |
2cb22a7a | 1487 | void wl_down(struct wl_info *wl) |
a9533e7e HP |
1488 | { |
1489 | uint callbacks, ret_val = 0; | |
1490 | ||
1491 | /* call common down function */ | |
1492 | ret_val = wlc_down(wl->wlc); | |
1493 | callbacks = atomic_read(&wl->callbacks) - ret_val; | |
1494 | ||
1495 | /* wait for down callbacks to complete */ | |
1496 | WL_UNLOCK(wl); | |
1497 | ||
a9533e7e HP |
1498 | /* For HIGH_only driver, it's important to actually schedule other work, |
1499 | * not just spin wait since everything runs at schedule level | |
1500 | */ | |
1501 | SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000); | |
a9533e7e HP |
1502 | |
1503 | WL_LOCK(wl); | |
1504 | } | |
1505 | ||
62b54dca | 1506 | static irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id) |
a9533e7e | 1507 | { |
2cb22a7a | 1508 | struct wl_info *wl; |
a9533e7e HP |
1509 | bool ours, wantdpc; |
1510 | unsigned long flags; | |
1511 | ||
2cb22a7a | 1512 | wl = (struct wl_info *) dev_id; |
a9533e7e HP |
1513 | |
1514 | WL_ISRLOCK(wl, flags); | |
1515 | ||
1516 | /* call common first level interrupt handler */ | |
ca8c1e59 JC |
1517 | ours = wlc_isr(wl->wlc, &wantdpc); |
1518 | if (ours) { | |
a9533e7e HP |
1519 | /* if more to do... */ |
1520 | if (wantdpc) { | |
1521 | ||
1522 | /* ...and call the second level interrupt handler */ | |
1523 | /* schedule dpc */ | |
0965ae88 | 1524 | ASSERT(wl->resched == false); |
a9533e7e HP |
1525 | tasklet_schedule(&wl->tasklet); |
1526 | } | |
1527 | } | |
1528 | ||
1529 | WL_ISRUNLOCK(wl, flags); | |
1530 | ||
1531 | return IRQ_RETVAL(ours); | |
a9533e7e HP |
1532 | } |
1533 | ||
3deea904 | 1534 | static void BCMFASTPATH wl_dpc(unsigned long data) |
a9533e7e | 1535 | { |
2cb22a7a | 1536 | struct wl_info *wl; |
a9533e7e | 1537 | |
2cb22a7a | 1538 | wl = (struct wl_info *) data; |
a9533e7e HP |
1539 | |
1540 | WL_LOCK(wl); | |
1541 | ||
1542 | /* call the common second level interrupt handler */ | |
1543 | if (wl->pub->up) { | |
1544 | if (wl->resched) { | |
1545 | unsigned long flags; | |
1546 | ||
1547 | INT_LOCK(wl, flags); | |
1548 | wlc_intrsupd(wl->wlc); | |
1549 | INT_UNLOCK(wl, flags); | |
1550 | } | |
1551 | ||
0f0881b0 | 1552 | wl->resched = wlc_dpc(wl->wlc, true); |
a9533e7e HP |
1553 | } |
1554 | ||
1555 | /* wlc_dpc() may bring the driver down */ | |
1556 | if (!wl->pub->up) | |
1557 | goto done; | |
1558 | ||
1559 | /* re-schedule dpc */ | |
1560 | if (wl->resched) | |
1561 | tasklet_schedule(&wl->tasklet); | |
1562 | else { | |
1563 | /* re-enable interrupts */ | |
1564 | wl_intrson(wl); | |
1565 | } | |
1566 | ||
1567 | done: | |
1568 | WL_UNLOCK(wl); | |
a9533e7e HP |
1569 | } |
1570 | ||
55182a10 RV |
1571 | /* |
1572 | * is called by the kernel from software irq context | |
1573 | */ | |
3deea904 | 1574 | static void wl_timer(unsigned long data) |
a9533e7e | 1575 | { |
44bb83af | 1576 | _wl_timer((struct wl_timer *) data); |
a9533e7e HP |
1577 | } |
1578 | ||
55182a10 RV |
1579 | /* |
1580 | * precondition: perimeter lock is not acquired | |
1581 | */ | |
44bb83af | 1582 | static void _wl_timer(struct wl_timer *t) |
a9533e7e HP |
1583 | { |
1584 | WL_LOCK(t->wl); | |
1585 | ||
1586 | if (t->set) { | |
1587 | if (t->periodic) { | |
1588 | t->timer.expires = jiffies + t->ms * HZ / 1000; | |
1589 | atomic_inc(&t->wl->callbacks); | |
1590 | add_timer(&t->timer); | |
0f0881b0 | 1591 | t->set = true; |
a9533e7e | 1592 | } else |
0965ae88 | 1593 | t->set = false; |
a9533e7e HP |
1594 | |
1595 | t->fn(t->arg); | |
1596 | } | |
1597 | ||
1598 | atomic_dec(&t->wl->callbacks); | |
1599 | ||
1600 | WL_UNLOCK(t->wl); | |
1601 | } | |
1602 | ||
55182a10 RV |
1603 | /* |
1604 | * Adds a timer to the list. Caller supplies a timer function. | |
1605 | * Is called from wlc. | |
1606 | * | |
1607 | * precondition: perimeter lock has been acquired | |
1608 | */ | |
44bb83af AS |
1609 | struct wl_timer *wl_init_timer(struct wl_info *wl, void (*fn) (void *arg), |
1610 | void *arg, const char *name) | |
a9533e7e | 1611 | { |
44bb83af | 1612 | struct wl_timer *t; |
a9533e7e | 1613 | |
12d0eb47 | 1614 | t = kzalloc(sizeof(struct wl_timer), GFP_ATOMIC); |
ca8c1e59 | 1615 | if (!t) { |
f4528696 | 1616 | WL_ERROR("wl%d: wl_init_timer: out of memory\n", wl->pub->unit); |
a9533e7e HP |
1617 | return 0; |
1618 | } | |
1619 | ||
a9533e7e | 1620 | init_timer(&t->timer); |
3deea904 | 1621 | t->timer.data = (unsigned long) t; |
a9533e7e HP |
1622 | t->timer.function = wl_timer; |
1623 | t->wl = wl; | |
1624 | t->fn = fn; | |
1625 | t->arg = arg; | |
1626 | t->next = wl->timers; | |
1627 | wl->timers = t; | |
1628 | ||
1629 | #ifdef BCMDBG | |
5fcc1fcb | 1630 | t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC); |
ca8c1e59 | 1631 | if (t->name) |
a9533e7e HP |
1632 | strcpy(t->name, name); |
1633 | #endif | |
1634 | ||
1635 | return t; | |
1636 | } | |
1637 | ||
1638 | /* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate | |
1639 | * as well as it's easier to make it periodic | |
55182a10 RV |
1640 | * |
1641 | * precondition: perimeter lock has been acquired | |
a9533e7e | 1642 | */ |
44bb83af | 1643 | void wl_add_timer(struct wl_info *wl, struct wl_timer *t, uint ms, int periodic) |
a9533e7e HP |
1644 | { |
1645 | #ifdef BCMDBG | |
1646 | if (t->set) { | |
f4528696 JP |
1647 | WL_ERROR("%s: Already set. Name: %s, per %d\n", |
1648 | __func__, t->name, periodic); | |
a9533e7e HP |
1649 | } |
1650 | #endif | |
1651 | ASSERT(!t->set); | |
1652 | ||
1653 | t->ms = ms; | |
1654 | t->periodic = (bool) periodic; | |
0f0881b0 | 1655 | t->set = true; |
a9533e7e HP |
1656 | t->timer.expires = jiffies + ms * HZ / 1000; |
1657 | ||
1658 | atomic_inc(&wl->callbacks); | |
1659 | add_timer(&t->timer); | |
1660 | } | |
1661 | ||
55182a10 RV |
1662 | /* |
1663 | * return true if timer successfully deleted, false if still pending | |
1664 | * | |
1665 | * precondition: perimeter lock has been acquired | |
1666 | */ | |
44bb83af | 1667 | bool wl_del_timer(struct wl_info *wl, struct wl_timer *t) |
a9533e7e HP |
1668 | { |
1669 | if (t->set) { | |
0965ae88 | 1670 | t->set = false; |
a9533e7e | 1671 | if (!del_timer(&t->timer)) { |
0965ae88 | 1672 | return false; |
a9533e7e HP |
1673 | } |
1674 | atomic_dec(&wl->callbacks); | |
1675 | } | |
1676 | ||
0f0881b0 | 1677 | return true; |
a9533e7e HP |
1678 | } |
1679 | ||
55182a10 RV |
1680 | /* |
1681 | * precondition: perimeter lock has been acquired | |
1682 | */ | |
44bb83af | 1683 | void wl_free_timer(struct wl_info *wl, struct wl_timer *t) |
a9533e7e | 1684 | { |
44bb83af | 1685 | struct wl_timer *tmp; |
a9533e7e HP |
1686 | |
1687 | /* delete the timer in case it is active */ | |
1688 | wl_del_timer(wl, t); | |
1689 | ||
1690 | if (wl->timers == t) { | |
1691 | wl->timers = wl->timers->next; | |
1692 | #ifdef BCMDBG | |
46d994b1 | 1693 | kfree(t->name); |
a9533e7e | 1694 | #endif |
182acb3c | 1695 | kfree(t); |
a9533e7e HP |
1696 | return; |
1697 | ||
1698 | } | |
1699 | ||
1700 | tmp = wl->timers; | |
1701 | while (tmp) { | |
1702 | if (tmp->next == t) { | |
1703 | tmp->next = t->next; | |
1704 | #ifdef BCMDBG | |
46d994b1 | 1705 | kfree(t->name); |
a9533e7e | 1706 | #endif |
182acb3c | 1707 | kfree(t); |
a9533e7e HP |
1708 | return; |
1709 | } | |
1710 | tmp = tmp->next; | |
1711 | } | |
1712 | ||
1713 | } | |
1714 | ||
55182a10 RV |
1715 | /* |
1716 | * runs in software irq context | |
1717 | * | |
1718 | * precondition: perimeter lock is not acquired | |
1719 | */ | |
a9533e7e HP |
1720 | static int wl_linux_watchdog(void *ctx) |
1721 | { | |
2cb22a7a | 1722 | struct wl_info *wl = (struct wl_info *) ctx; |
e4cf544e | 1723 | struct wl_cnt *cnt; |
a9533e7e HP |
1724 | struct net_device_stats *stats = NULL; |
1725 | uint id; | |
1726 | /* refresh stats */ | |
1727 | if (wl->pub->up) { | |
1728 | ASSERT(wl->stats_id < 2); | |
1729 | ||
e4cf544e | 1730 | cnt = wl->pub->_cnt; |
a9533e7e | 1731 | id = 1 - wl->stats_id; |
a9533e7e | 1732 | stats = &wl->stats_watchdog[id]; |
e4cf544e AS |
1733 | stats->rx_packets = cnt->rxframe; |
1734 | stats->tx_packets = cnt->txframe; | |
1735 | stats->rx_bytes = cnt->rxbyte; | |
1736 | stats->tx_bytes = cnt->txbyte; | |
1737 | stats->rx_errors = cnt->rxerror; | |
1738 | stats->tx_errors = cnt->txerror; | |
a9533e7e HP |
1739 | stats->collisions = 0; |
1740 | ||
1741 | stats->rx_length_errors = 0; | |
e4cf544e AS |
1742 | stats->rx_over_errors = cnt->rxoflo; |
1743 | stats->rx_crc_errors = cnt->rxcrc; | |
a9533e7e | 1744 | stats->rx_frame_errors = 0; |
e4cf544e | 1745 | stats->rx_fifo_errors = cnt->rxoflo; |
a9533e7e HP |
1746 | stats->rx_missed_errors = 0; |
1747 | ||
e4cf544e | 1748 | stats->tx_fifo_errors = cnt->txuflo; |
a9533e7e HP |
1749 | |
1750 | wl->stats_id = id; | |
a9533e7e HP |
1751 | } |
1752 | ||
1753 | return 0; | |
1754 | } | |
1755 | ||
1756 | struct wl_fw_hdr { | |
66cbd3ab GKH |
1757 | u32 offset; |
1758 | u32 len; | |
1759 | u32 idx; | |
a9533e7e HP |
1760 | }; |
1761 | ||
a9533e7e HP |
1762 | char *wl_firmwares[WL_MAX_FW] = { |
1763 | "brcm/bcm43xx", | |
1764 | NULL | |
1765 | }; | |
1766 | ||
55182a10 RV |
1767 | /* |
1768 | * precondition: perimeter lock has been acquired | |
1769 | */ | |
2cb22a7a | 1770 | int wl_ucode_init_buf(struct wl_info *wl, void **pbuf, u32 idx) |
a9533e7e HP |
1771 | { |
1772 | int i, entry; | |
41feb5ed | 1773 | const u8 *pdata; |
a9533e7e HP |
1774 | struct wl_fw_hdr *hdr; |
1775 | for (i = 0; i < wl->fw.fw_cnt; i++) { | |
1776 | hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data; | |
1777 | for (entry = 0; entry < wl->fw.hdr_num_entries[i]; | |
1778 | entry++, hdr++) { | |
1779 | if (hdr->idx == idx) { | |
1780 | pdata = wl->fw.fw_bin[i]->data + hdr->offset; | |
1781 | *pbuf = kmalloc(hdr->len, GFP_ATOMIC); | |
1782 | if (*pbuf == NULL) { | |
0bef7748 AS |
1783 | WL_ERROR("fail to alloc %d bytes\n", |
1784 | hdr->len); | |
8746e2ba | 1785 | goto fail; |
a9533e7e | 1786 | } |
02160695 | 1787 | memcpy(*pbuf, pdata, hdr->len); |
a9533e7e HP |
1788 | return 0; |
1789 | } | |
1790 | } | |
1791 | } | |
0bef7748 | 1792 | WL_ERROR("ERROR: ucode buf tag:%d can not be found!\n", idx); |
a9533e7e | 1793 | *pbuf = NULL; |
8746e2ba | 1794 | fail: |
7249e6a1 | 1795 | return BCME_NOTFOUND; |
a9533e7e HP |
1796 | } |
1797 | ||
55182a10 RV |
1798 | /* |
1799 | * Precondition: Since this function is called in wl_pci_probe() context, | |
1800 | * no locking is required. | |
1801 | */ | |
2cb22a7a | 1802 | int wl_ucode_init_uint(struct wl_info *wl, u32 *data, u32 idx) |
a9533e7e HP |
1803 | { |
1804 | int i, entry; | |
41feb5ed | 1805 | const u8 *pdata; |
a9533e7e HP |
1806 | struct wl_fw_hdr *hdr; |
1807 | for (i = 0; i < wl->fw.fw_cnt; i++) { | |
1808 | hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data; | |
1809 | for (entry = 0; entry < wl->fw.hdr_num_entries[i]; | |
1810 | entry++, hdr++) { | |
1811 | if (hdr->idx == idx) { | |
1812 | pdata = wl->fw.fw_bin[i]->data + hdr->offset; | |
1813 | ASSERT(hdr->len == 4); | |
66cbd3ab | 1814 | *data = *((u32 *) pdata); |
a9533e7e HP |
1815 | return 0; |
1816 | } | |
1817 | } | |
1818 | } | |
0bef7748 | 1819 | WL_ERROR("ERROR: ucode tag:%d can not be found!\n", idx); |
a9533e7e HP |
1820 | return -1; |
1821 | } | |
a9533e7e | 1822 | |
55182a10 RV |
1823 | /* |
1824 | * Precondition: Since this function is called in wl_pci_probe() context, | |
1825 | * no locking is required. | |
1826 | */ | |
2cb22a7a | 1827 | static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev) |
a9533e7e HP |
1828 | { |
1829 | int status; | |
1830 | struct device *device = &pdev->dev; | |
1831 | char fw_name[100]; | |
1832 | int i; | |
1833 | ||
9249ede9 | 1834 | memset((void *)&wl->fw, 0, sizeof(struct wl_firmware)); |
a9533e7e HP |
1835 | for (i = 0; i < WL_MAX_FW; i++) { |
1836 | if (wl_firmwares[i] == NULL) | |
1837 | break; | |
1838 | sprintf(fw_name, "%s-%d.fw", wl_firmwares[i], | |
1839 | UCODE_LOADER_API_VER); | |
f4528696 | 1840 | WL_NONE("request fw %s\n", fw_name); |
a9533e7e HP |
1841 | status = request_firmware(&wl->fw.fw_bin[i], fw_name, device); |
1842 | if (status) { | |
0bef7748 AS |
1843 | WL_ERROR("%s: fail to load firmware %s\n", |
1844 | KBUILD_MODNAME, fw_name); | |
a9533e7e HP |
1845 | return status; |
1846 | } | |
f4528696 | 1847 | WL_NONE("request fw %s\n", fw_name); |
a9533e7e HP |
1848 | sprintf(fw_name, "%s_hdr-%d.fw", wl_firmwares[i], |
1849 | UCODE_LOADER_API_VER); | |
1850 | status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device); | |
1851 | if (status) { | |
0bef7748 AS |
1852 | WL_ERROR("%s: fail to load firmware %s\n", |
1853 | KBUILD_MODNAME, fw_name); | |
a9533e7e HP |
1854 | return status; |
1855 | } | |
1856 | wl->fw.hdr_num_entries[i] = | |
1857 | wl->fw.fw_hdr[i]->size / (sizeof(struct wl_fw_hdr)); | |
f4528696 JP |
1858 | WL_NONE("request fw %s find: %d entries\n", |
1859 | fw_name, wl->fw.hdr_num_entries[i]); | |
a9533e7e HP |
1860 | } |
1861 | wl->fw.fw_cnt = i; | |
3d44661a | 1862 | return wl_ucode_data_init(wl); |
a9533e7e HP |
1863 | } |
1864 | ||
55182a10 RV |
1865 | /* |
1866 | * precondition: can both be called locked and unlocked | |
1867 | */ | |
a9533e7e HP |
1868 | void wl_ucode_free_buf(void *p) |
1869 | { | |
1870 | kfree(p); | |
1871 | } | |
a9533e7e | 1872 | |
55182a10 RV |
1873 | /* |
1874 | * Precondition: Since this function is called in wl_pci_probe() context, | |
1875 | * no locking is required. | |
1876 | */ | |
2cb22a7a | 1877 | static void wl_release_fw(struct wl_info *wl) |
a9533e7e HP |
1878 | { |
1879 | int i; | |
eb4764c3 | 1880 | for (i = 0; i < WL_MAX_FW; i++) { |
a9533e7e HP |
1881 | release_firmware(wl->fw.fw_bin[i]); |
1882 | release_firmware(wl->fw.fw_hdr[i]); | |
1883 | } | |
1884 | } | |
3d44661a RV |
1885 | |
1886 | ||
1887 | /* | |
1888 | * checks validity of all firmware images loaded from user space | |
55182a10 RV |
1889 | * |
1890 | * Precondition: Since this function is called in wl_pci_probe() context, | |
1891 | * no locking is required. | |
3d44661a RV |
1892 | */ |
1893 | int wl_check_firmwares(struct wl_info *wl) | |
1894 | { | |
1895 | int i; | |
1896 | int entry; | |
1897 | int rc = 0; | |
1898 | const struct firmware *fw; | |
1899 | const struct firmware *fw_hdr; | |
1900 | struct wl_fw_hdr *ucode_hdr; | |
1901 | for (i = 0; i < WL_MAX_FW && rc == 0; i++) { | |
1902 | fw = wl->fw.fw_bin[i]; | |
1903 | fw_hdr = wl->fw.fw_hdr[i]; | |
1904 | if (fw == NULL && fw_hdr == NULL) { | |
1905 | break; | |
1906 | } else if (fw == NULL || fw_hdr == NULL) { | |
f4528696 | 1907 | WL_ERROR("%s: invalid bin/hdr fw\n", __func__); |
3d44661a RV |
1908 | rc = -EBADF; |
1909 | } else if (fw_hdr->size % sizeof(struct wl_fw_hdr)) { | |
70de655c | 1910 | WL_ERROR("%s: non integral fw hdr file size %zu/%zu\n", |
f4528696 JP |
1911 | __func__, fw_hdr->size, |
1912 | sizeof(struct wl_fw_hdr)); | |
3d44661a RV |
1913 | rc = -EBADF; |
1914 | } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) { | |
70de655c | 1915 | WL_ERROR("%s: out of bounds fw file size %zu\n", |
f4528696 | 1916 | __func__, fw->size); |
3d44661a RV |
1917 | rc = -EBADF; |
1918 | } else { | |
1919 | /* check if ucode section overruns firmware image */ | |
1920 | ucode_hdr = (struct wl_fw_hdr *)fw_hdr->data; | |
7249e6a1 RV |
1921 | for (entry = 0; entry < wl->fw.hdr_num_entries[i] && |
1922 | !rc; entry++, ucode_hdr++) { | |
3d44661a RV |
1923 | if (ucode_hdr->offset + ucode_hdr->len > |
1924 | fw->size) { | |
f4528696 JP |
1925 | WL_ERROR("%s: conflicting bin/hdr\n", |
1926 | __func__); | |
3d44661a RV |
1927 | rc = -EBADF; |
1928 | } | |
1929 | } | |
1930 | } | |
1931 | } | |
1932 | if (rc == 0 && wl->fw.fw_cnt != i) { | |
f4528696 | 1933 | WL_ERROR("%s: invalid fw_cnt=%d\n", __func__, wl->fw.fw_cnt); |
3d44661a RV |
1934 | rc = -EBADF; |
1935 | } | |
1936 | return rc; | |
1937 | } | |
1938 | ||
55182a10 RV |
1939 | /* |
1940 | * precondition: perimeter lock has been acquired | |
1941 | */ | |
5abb04a6 AS |
1942 | bool wl_rfkill_set_hw_state(struct wl_info *wl) |
1943 | { | |
1944 | bool blocked = wlc_check_radio_disabled(wl->wlc); | |
1945 | ||
4a079150 AS |
1946 | WL_NONE("%s: update hw state: blocked=%s\n", __func__, |
1947 | blocked ? "true" : "false"); | |
e34870f8 | 1948 | WL_UNLOCK(wl); |
5abb04a6 AS |
1949 | wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked); |
1950 | if (blocked) | |
1951 | wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy); | |
e34870f8 | 1952 | WL_LOCK(wl); |
5abb04a6 AS |
1953 | return blocked; |
1954 | } |