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> |
45575664 | 30 | #include <osl.h> |
70dfb584 AS |
31 | #include <bcmdefs.h> |
32 | #include <bcmwifi.h> | |
a9533e7e HP |
33 | #include <bcmutils.h> |
34 | #include <pcicfg.h> | |
35 | #include <wlioctl.h> | |
a52ba66c | 36 | #include <sbhnddma.h> |
a9533e7e | 37 | |
8a0939f5 AS |
38 | #include "phy/wlc_phy_int.h" |
39 | #include "d11.h" | |
40 | #include "wlc_types.h" | |
45575664 AS |
41 | #include "wlc_cfg.h" |
42 | #include "phy/phy_version.h" | |
43 | #include "wlc_key.h" | |
45575664 AS |
44 | #include "wlc_channel.h" |
45 | #include "wlc_scb.h" | |
46 | #include "wlc_pub.h" | |
47 | #include "wl_dbg.h" | |
48 | #include "wl_export.h" | |
49 | #include "wl_ucode.h" | |
45575664 | 50 | #include "wl_mac80211.h" |
a9533e7e | 51 | |
3deea904 | 52 | static void wl_timer(unsigned long data); |
44bb83af | 53 | static void _wl_timer(struct wl_timer *t); |
a9533e7e | 54 | |
a9533e7e HP |
55 | |
56 | static int ieee_hw_init(struct ieee80211_hw *hw); | |
57 | static int ieee_hw_rate_init(struct ieee80211_hw *hw); | |
58 | ||
59 | static int wl_linux_watchdog(void *ctx); | |
60 | ||
61 | /* Flags we support */ | |
62 | #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \ | |
63 | FIF_ALLMULTI | \ | |
64 | FIF_FCSFAIL | \ | |
65 | FIF_PLCPFAIL | \ | |
66 | FIF_CONTROL | \ | |
67 | FIF_OTHER_BSS | \ | |
68 | FIF_BCN_PRBRESP_PROMISC) | |
69 | ||
7e85c729 | 70 | static int wl_found; |
a9533e7e | 71 | |
6cdeaef2 | 72 | #define WL_DEV_IF(dev) ((struct wl_if *)netdev_priv(dev)) |
2cb22a7a RV |
73 | #define WL_INFO(dev) ((struct wl_info *)(WL_DEV_IF(dev)->wl)) |
74 | static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev); | |
75 | static void wl_release_fw(struct wl_info *wl); | |
a9533e7e HP |
76 | |
77 | /* local prototypes */ | |
2cb22a7a RV |
78 | static int wl_start(struct sk_buff *skb, struct wl_info *wl); |
79 | static int wl_start_int(struct wl_info *wl, struct ieee80211_hw *hw, | |
a9533e7e | 80 | struct sk_buff *skb); |
3deea904 | 81 | static void wl_dpc(unsigned long data); |
62b54dca AS |
82 | static irqreturn_t wl_isr(int irq, void *dev_id); |
83 | ||
84 | static int __devinit wl_pci_probe(struct pci_dev *pdev, | |
85 | const struct pci_device_id *ent); | |
86 | static void wl_remove(struct pci_dev *pdev); | |
87 | static void wl_free(struct wl_info *wl); | |
a9533e7e HP |
88 | |
89 | MODULE_AUTHOR("Broadcom Corporation"); | |
90 | MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver."); | |
91 | MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards"); | |
92 | MODULE_LICENSE("Dual BSD/GPL"); | |
93 | ||
a9533e7e HP |
94 | /* recognized PCI IDs */ |
95 | static struct pci_device_id wl_id_table[] = { | |
96 | {PCI_VENDOR_ID_BROADCOM, 0x4357, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43225 2G */ | |
97 | {PCI_VENDOR_ID_BROADCOM, 0x4353, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43224 DUAL */ | |
98 | {PCI_VENDOR_ID_BROADCOM, 0x4727, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 4313 DUAL */ | |
99 | {0} | |
100 | }; | |
101 | ||
102 | MODULE_DEVICE_TABLE(pci, wl_id_table); | |
a9533e7e HP |
103 | |
104 | #ifdef BCMDBG | |
105 | static int msglevel = 0xdeadbeef; | |
106 | module_param(msglevel, int, 0); | |
a9533e7e HP |
107 | static int phymsglevel = 0xdeadbeef; |
108 | module_param(phymsglevel, int, 0); | |
a9533e7e HP |
109 | #endif /* BCMDBG */ |
110 | ||
0d706ef4 JC |
111 | #define HW_TO_WL(hw) (hw->priv) |
112 | #define WL_TO_HW(wl) (wl->pub->ieee_hw) | |
62b54dca AS |
113 | |
114 | /* MAC80211 callback functions */ | |
a9533e7e | 115 | static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb); |
a9533e7e HP |
116 | static int wl_ops_start(struct ieee80211_hw *hw); |
117 | static void wl_ops_stop(struct ieee80211_hw *hw); | |
118 | static int wl_ops_add_interface(struct ieee80211_hw *hw, | |
119 | struct ieee80211_vif *vif); | |
120 | static void wl_ops_remove_interface(struct ieee80211_hw *hw, | |
121 | struct ieee80211_vif *vif); | |
122 | static int wl_ops_config(struct ieee80211_hw *hw, u32 changed); | |
123 | static void wl_ops_bss_info_changed(struct ieee80211_hw *hw, | |
124 | struct ieee80211_vif *vif, | |
125 | struct ieee80211_bss_conf *info, | |
126 | u32 changed); | |
127 | static void wl_ops_configure_filter(struct ieee80211_hw *hw, | |
128 | unsigned int changed_flags, | |
129 | unsigned int *total_flags, u64 multicast); | |
130 | static int wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, | |
131 | bool set); | |
132 | static void wl_ops_sw_scan_start(struct ieee80211_hw *hw); | |
133 | static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw); | |
134 | static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf); | |
135 | static int wl_ops_get_stats(struct ieee80211_hw *hw, | |
136 | struct ieee80211_low_level_stats *stats); | |
137 | static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value); | |
138 | static void wl_ops_sta_notify(struct ieee80211_hw *hw, | |
139 | struct ieee80211_vif *vif, | |
140 | enum sta_notify_cmd cmd, | |
141 | struct ieee80211_sta *sta); | |
142 | static int wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
143 | const struct ieee80211_tx_queue_params *params); | |
144 | static u64 wl_ops_get_tsf(struct ieee80211_hw *hw); | |
3646dd97 | 145 | static int wl_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
a9533e7e | 146 | struct ieee80211_sta *sta); |
3646dd97 | 147 | static int wl_ops_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
a9533e7e | 148 | struct ieee80211_sta *sta); |
3646dd97 AS |
149 | static int wl_ops_ampdu_action(struct ieee80211_hw *hw, |
150 | struct ieee80211_vif *vif, | |
151 | enum ieee80211_ampdu_mlme_action action, | |
152 | struct ieee80211_sta *sta, u16 tid, u16 *ssn); | |
5abb04a6 | 153 | static void wl_ops_rfkill_poll(struct ieee80211_hw *hw); |
a9533e7e | 154 | |
a9533e7e HP |
155 | static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
156 | { | |
157 | int status; | |
2cb22a7a | 158 | struct wl_info *wl = hw->priv; |
4a079150 | 159 | |
a9533e7e HP |
160 | WL_LOCK(wl); |
161 | if (!wl->pub->up) { | |
f4528696 | 162 | WL_ERROR("ops->tx called while down\n"); |
a9533e7e HP |
163 | status = -ENETDOWN; |
164 | goto done; | |
165 | } | |
166 | status = wl_start(skb, wl); | |
167 | done: | |
168 | WL_UNLOCK(wl); | |
169 | return status; | |
170 | } | |
a9533e7e HP |
171 | |
172 | static int wl_ops_start(struct ieee80211_hw *hw) | |
173 | { | |
2cb22a7a | 174 | struct wl_info *wl = hw->priv; |
5abb04a6 | 175 | bool blocked; |
f4528696 JP |
176 | /* |
177 | struct ieee80211_channel *curchan = hw->conf.channel; | |
178 | WL_NONE("%s : Initial channel: %d\n", __func__, curchan->hw_value); | |
179 | */ | |
a9533e7e | 180 | |
a9533e7e | 181 | ieee80211_wake_queues(hw); |
2d57aa7b | 182 | WL_LOCK(wl); |
5abb04a6 | 183 | blocked = wl_rfkill_set_hw_state(wl); |
2d57aa7b | 184 | WL_UNLOCK(wl); |
5abb04a6 AS |
185 | if (!blocked) |
186 | wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy); | |
a9533e7e HP |
187 | |
188 | return 0; | |
189 | } | |
190 | ||
191 | static void wl_ops_stop(struct ieee80211_hw *hw) | |
192 | { | |
8d9e9d09 | 193 | #ifdef BRCMDBG |
2cb22a7a | 194 | struct wl_info *wl = hw->priv; |
a9533e7e | 195 | ASSERT(wl); |
8d9e9d09 | 196 | #endif /*BRCMDBG*/ |
a9533e7e | 197 | ieee80211_stop_queues(hw); |
a9533e7e HP |
198 | } |
199 | ||
200 | static int | |
201 | wl_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
202 | { | |
2cb22a7a | 203 | struct wl_info *wl; |
a9533e7e HP |
204 | int err; |
205 | ||
206 | /* Just STA for now */ | |
207 | if (vif->type != NL80211_IFTYPE_AP && | |
208 | vif->type != NL80211_IFTYPE_MESH_POINT && | |
209 | vif->type != NL80211_IFTYPE_STATION && | |
210 | vif->type != NL80211_IFTYPE_WDS && | |
211 | vif->type != NL80211_IFTYPE_ADHOC) { | |
f4528696 JP |
212 | WL_ERROR("%s: Attempt to add type %d, only STA for now\n", |
213 | __func__, vif->type); | |
a9533e7e HP |
214 | return -EOPNOTSUPP; |
215 | } | |
216 | ||
217 | wl = HW_TO_WL(hw); | |
218 | WL_LOCK(wl); | |
219 | err = wl_up(wl); | |
220 | WL_UNLOCK(wl); | |
221 | ||
5abb04a6 | 222 | if (err != 0) { |
f4528696 | 223 | WL_ERROR("%s: wl_up() returned %d\n", __func__, err); |
5abb04a6 | 224 | } |
a9533e7e HP |
225 | return err; |
226 | } | |
227 | ||
228 | static void | |
229 | wl_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
230 | { | |
4032ec63 AS |
231 | struct wl_info *wl; |
232 | ||
233 | wl = HW_TO_WL(hw); | |
234 | ||
235 | /* put driver in down state */ | |
236 | WL_LOCK(wl); | |
237 | wl_down(wl); | |
238 | WL_UNLOCK(wl); | |
a9533e7e HP |
239 | } |
240 | ||
55182a10 RV |
241 | /* |
242 | * precondition: perimeter lock has been acquired | |
243 | */ | |
a9533e7e HP |
244 | static int |
245 | ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan, | |
246 | enum nl80211_channel_type type) | |
247 | { | |
2cb22a7a | 248 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
249 | int err = 0; |
250 | ||
251 | switch (type) { | |
252 | case NL80211_CHAN_HT20: | |
253 | case NL80211_CHAN_NO_HT: | |
a9533e7e | 254 | err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value); |
a9533e7e HP |
255 | break; |
256 | case NL80211_CHAN_HT40MINUS: | |
257 | case NL80211_CHAN_HT40PLUS: | |
f4528696 | 258 | WL_ERROR("%s: Need to implement 40 Mhz Channels!\n", __func__); |
9d2c4156 | 259 | err = 1; |
a9533e7e HP |
260 | break; |
261 | } | |
262 | ||
263 | if (err) | |
264 | return -EIO; | |
265 | return err; | |
266 | } | |
267 | ||
268 | static int wl_ops_config(struct ieee80211_hw *hw, u32 changed) | |
269 | { | |
270 | struct ieee80211_conf *conf = &hw->conf; | |
2cb22a7a | 271 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
272 | int err = 0; |
273 | int new_int; | |
274 | ||
6a3be6e6 | 275 | WL_LOCK(wl); |
a9533e7e | 276 | if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { |
a9533e7e HP |
277 | if (wlc_iovar_setint |
278 | (wl->wlc, "bcn_li_bcn", conf->listen_interval)) { | |
f4528696 JP |
279 | WL_ERROR("%s: Error setting listen_interval\n", |
280 | __func__); | |
a9533e7e HP |
281 | err = -EIO; |
282 | goto config_out; | |
283 | } | |
284 | wlc_iovar_getint(wl->wlc, "bcn_li_bcn", &new_int); | |
285 | ASSERT(new_int == conf->listen_interval); | |
286 | } | |
287 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) | |
4a079150 AS |
288 | WL_ERROR("%s: change monitor mode: %s (implement)\n", __func__, |
289 | conf->flags & IEEE80211_CONF_MONITOR ? | |
290 | "true" : "false"); | |
a9533e7e | 291 | if (changed & IEEE80211_CONF_CHANGE_PS) |
4a079150 AS |
292 | WL_ERROR("%s: change power-save mode: %s (implement)\n", |
293 | __func__, conf->flags & IEEE80211_CONF_PS ? | |
294 | "true" : "false"); | |
a9533e7e HP |
295 | |
296 | if (changed & IEEE80211_CONF_CHANGE_POWER) { | |
a9533e7e HP |
297 | if (wlc_iovar_setint |
298 | (wl->wlc, "qtxpower", conf->power_level * 4)) { | |
f4528696 | 299 | WL_ERROR("%s: Error setting power_level\n", __func__); |
a9533e7e HP |
300 | err = -EIO; |
301 | goto config_out; | |
302 | } | |
303 | wlc_iovar_getint(wl->wlc, "qtxpower", &new_int); | |
304 | if (new_int != (conf->power_level * 4)) | |
f4528696 JP |
305 | WL_ERROR("%s: Power level req != actual, %d %d\n", |
306 | __func__, conf->power_level * 4, new_int); | |
a9533e7e HP |
307 | } |
308 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
309 | err = ieee_set_channel(hw, conf->channel, conf->channel_type); | |
310 | } | |
311 | if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { | |
a9533e7e HP |
312 | if (wlc_set |
313 | (wl->wlc, WLC_SET_SRL, | |
314 | conf->short_frame_max_tx_count) < 0) { | |
f4528696 | 315 | WL_ERROR("%s: Error setting srl\n", __func__); |
a9533e7e HP |
316 | err = -EIO; |
317 | goto config_out; | |
318 | } | |
319 | if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count) | |
320 | < 0) { | |
f4528696 | 321 | WL_ERROR("%s: Error setting lrl\n", __func__); |
a9533e7e HP |
322 | err = -EIO; |
323 | goto config_out; | |
324 | } | |
325 | } | |
326 | ||
327 | config_out: | |
6a3be6e6 | 328 | WL_UNLOCK(wl); |
a9533e7e HP |
329 | return err; |
330 | } | |
331 | ||
332 | static void | |
333 | wl_ops_bss_info_changed(struct ieee80211_hw *hw, | |
334 | struct ieee80211_vif *vif, | |
335 | struct ieee80211_bss_conf *info, u32 changed) | |
336 | { | |
2cb22a7a | 337 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
338 | int val; |
339 | ||
a9533e7e | 340 | if (changed & BSS_CHANGED_ASSOC) { |
a9533e7e HP |
341 | /* association status changed (associated/disassociated) |
342 | * also implies a change in the AID. | |
343 | */ | |
4a079150 AS |
344 | WL_ERROR("%s: %s: %sassociated\n", KBUILD_MODNAME, __func__, |
345 | info->assoc ? "" : "dis"); | |
d8a1fb44 | 346 | wlc_associate_upd(wl->wlc, info->assoc); |
a9533e7e HP |
347 | } |
348 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
a9533e7e | 349 | /* CTS protection changed */ |
4a079150 AS |
350 | WL_ERROR("%s: use_cts_prot: %s (implement)\n", __func__, |
351 | info->use_cts_prot ? "true" : "false"); | |
a9533e7e HP |
352 | } |
353 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
a9533e7e | 354 | /* preamble changed */ |
4a079150 AS |
355 | WL_ERROR("%s: short preamble: %s (implement)\n", __func__, |
356 | info->use_short_preamble ? "true" : "false"); | |
a9533e7e HP |
357 | } |
358 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
4a079150 | 359 | /* slot timing changed */ |
a9533e7e HP |
360 | if (info->use_short_slot) |
361 | val = 1; | |
362 | else | |
363 | val = 0; | |
2d57aa7b | 364 | WL_LOCK(wl); |
a9533e7e | 365 | wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val); |
2d57aa7b | 366 | WL_UNLOCK(wl); |
a9533e7e HP |
367 | } |
368 | ||
369 | if (changed & BSS_CHANGED_HT) { | |
a9533e7e | 370 | /* 802.11n parameters changed */ |
4a079150 | 371 | u16 mode = info->ht_operation_mode; |
e0caf150 AS |
372 | WL_NONE("%s: HT mode: 0x%04X\n", __func__, mode); |
373 | wlc_protection_upd(wl->wlc, WLC_PROT_N_CFG, | |
374 | mode & IEEE80211_HT_OP_MODE_PROTECTION); | |
375 | wlc_protection_upd(wl->wlc, WLC_PROT_N_NONGF, | |
376 | mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); | |
377 | wlc_protection_upd(wl->wlc, WLC_PROT_N_OBSS, | |
378 | mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT); | |
a9533e7e HP |
379 | } |
380 | if (changed & BSS_CHANGED_BASIC_RATES) { | |
a9533e7e | 381 | /* Basic rateset changed */ |
4a079150 AS |
382 | WL_ERROR("%s: Need to change Basic Rates: 0x%x (implement)\n", |
383 | __func__, (u32) info->basic_rates); | |
a9533e7e HP |
384 | } |
385 | if (changed & BSS_CHANGED_BEACON_INT) { | |
a9533e7e | 386 | /* Beacon interval changed */ |
c234656f | 387 | WL_NONE("%s: Beacon Interval: %d\n", |
4a079150 | 388 | __func__, info->beacon_int); |
c234656f | 389 | wlc_set(wl->wlc, WLC_SET_BCNPRD, info->beacon_int); |
a9533e7e HP |
390 | } |
391 | if (changed & BSS_CHANGED_BSSID) { | |
4a079150 | 392 | /* BSSID changed, for whatever reason (IBSS and managed mode) */ |
4191e2d5 | 393 | WL_NONE("%s: new BSSID: aid %d bss:%pM\n", __func__, |
f4528696 | 394 | info->aid, info->bssid); |
2d57aa7b | 395 | WL_LOCK(wl); |
a9533e7e | 396 | wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, |
a44d4236 | 397 | info->bssid); |
2d57aa7b | 398 | WL_UNLOCK(wl); |
a9533e7e HP |
399 | } |
400 | if (changed & BSS_CHANGED_BEACON) { | |
a9533e7e | 401 | /* Beacon data changed, retrieve new beacon (beaconing modes) */ |
4191e2d5 | 402 | WL_ERROR("%s: beacon changed\n", __func__); |
a9533e7e HP |
403 | } |
404 | if (changed & BSS_CHANGED_BEACON_ENABLED) { | |
a9533e7e | 405 | /* Beaconing should be enabled/disabled (beaconing modes) */ |
4191e2d5 | 406 | WL_ERROR("%s: Beacon enabled: %s\n", __func__, |
4a079150 | 407 | info->enable_beacon ? "true" : "false"); |
a9533e7e | 408 | } |
4191e2d5 AS |
409 | if (changed & BSS_CHANGED_CQM) { |
410 | /* Connection quality monitor config changed */ | |
411 | WL_ERROR("%s: cqm change: threshold %d, hys %d (implement)\n", | |
412 | __func__, info->cqm_rssi_thold, info->cqm_rssi_hyst); | |
413 | } | |
414 | if (changed & BSS_CHANGED_IBSS) { | |
415 | /* IBSS join status changed */ | |
416 | WL_ERROR("%s: IBSS joined: %s (implement)\n", __func__, | |
417 | info->ibss_joined ? "true" : "false"); | |
418 | } | |
419 | if (changed & BSS_CHANGED_ARP_FILTER) { | |
420 | /* Hardware ARP filter address list or state changed */ | |
421 | WL_ERROR("%s: arp filtering: enabled %s, count %d (implement)\n", | |
422 | __func__, info->arp_filter_enabled ? "true" : "false", | |
423 | info->arp_addr_cnt); | |
424 | } | |
425 | if (changed & BSS_CHANGED_QOS) { | |
426 | /* | |
427 | * QoS for this association was enabled/disabled. | |
428 | * Note that it is only ever disabled for station mode. | |
429 | */ | |
430 | WL_ERROR("%s: qos enabled: %s (implement)\n", __func__, | |
431 | info->qos ? "true" : "false"); | |
432 | } | |
433 | if (changed & BSS_CHANGED_IDLE) { | |
434 | /* Idle changed for this BSS/interface */ | |
435 | WL_ERROR("%s: BSS idle: %s (implement)\n", __func__, | |
436 | info->idle ? "true" : "false"); | |
437 | } | |
a9533e7e HP |
438 | return; |
439 | } | |
440 | ||
441 | static void | |
442 | wl_ops_configure_filter(struct ieee80211_hw *hw, | |
443 | unsigned int changed_flags, | |
444 | unsigned int *total_flags, u64 multicast) | |
445 | { | |
2cb22a7a | 446 | struct wl_info *wl = hw->priv; |
a9533e7e HP |
447 | |
448 | changed_flags &= MAC_FILTERS; | |
449 | *total_flags &= MAC_FILTERS; | |
450 | if (changed_flags & FIF_PROMISC_IN_BSS) | |
f4528696 | 451 | WL_ERROR("FIF_PROMISC_IN_BSS\n"); |
a9533e7e | 452 | if (changed_flags & FIF_ALLMULTI) |
f4528696 | 453 | WL_ERROR("FIF_ALLMULTI\n"); |
a9533e7e | 454 | if (changed_flags & FIF_FCSFAIL) |
f4528696 | 455 | WL_ERROR("FIF_FCSFAIL\n"); |
a9533e7e | 456 | if (changed_flags & FIF_PLCPFAIL) |
f4528696 | 457 | WL_ERROR("FIF_PLCPFAIL\n"); |
a9533e7e | 458 | if (changed_flags & FIF_CONTROL) |
f4528696 | 459 | WL_ERROR("FIF_CONTROL\n"); |
a9533e7e | 460 | if (changed_flags & FIF_OTHER_BSS) |
f4528696 | 461 | WL_ERROR("FIF_OTHER_BSS\n"); |
a9533e7e | 462 | if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { |
f4528696 | 463 | WL_NONE("FIF_BCN_PRBRESP_PROMISC\n"); |
a9533e7e HP |
464 | WL_LOCK(wl); |
465 | if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { | |
466 | wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS; | |
467 | wlc_mac_bcn_promisc_change(wl->wlc, 1); | |
468 | } else { | |
469 | wlc_mac_bcn_promisc_change(wl->wlc, 0); | |
470 | wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS; | |
471 | } | |
472 | WL_UNLOCK(wl); | |
a9533e7e HP |
473 | } |
474 | return; | |
475 | } | |
476 | ||
477 | static int | |
478 | wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set) | |
479 | { | |
4a079150 | 480 | WL_NONE("%s: Enter\n", __func__); |
a9533e7e HP |
481 | return 0; |
482 | } | |
483 | ||
484 | static void wl_ops_sw_scan_start(struct ieee80211_hw *hw) | |
485 | { | |
6a3be6e6 | 486 | struct wl_info *wl = hw->priv; |
f4528696 | 487 | WL_NONE("Scan Start\n"); |
6a3be6e6 RV |
488 | WL_LOCK(wl); |
489 | wlc_scan_start(wl->wlc); | |
490 | WL_UNLOCK(wl); | |
a9533e7e HP |
491 | return; |
492 | } | |
493 | ||
494 | static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw) | |
495 | { | |
6a3be6e6 | 496 | struct wl_info *wl = hw->priv; |
f4528696 | 497 | WL_NONE("Scan Complete\n"); |
6a3be6e6 RV |
498 | WL_LOCK(wl); |
499 | wlc_scan_stop(wl->wlc); | |
500 | WL_UNLOCK(wl); | |
a9533e7e HP |
501 | return; |
502 | } | |
503 | ||
504 | static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf) | |
505 | { | |
f4528696 | 506 | WL_ERROR("%s: Enter\n", __func__); |
a9533e7e HP |
507 | return; |
508 | } | |
509 | ||
510 | static int | |
511 | wl_ops_get_stats(struct ieee80211_hw *hw, | |
512 | struct ieee80211_low_level_stats *stats) | |
513 | { | |
e4cf544e AS |
514 | struct wl_info *wl = hw->priv; |
515 | struct wl_cnt *cnt; | |
516 | ||
517 | WL_LOCK(wl); | |
518 | cnt = wl->pub->_cnt; | |
519 | stats->dot11ACKFailureCount = cnt->txnoack; | |
520 | stats->dot11RTSFailureCount = cnt->txnocts; | |
521 | stats->dot11FCSErrorCount = cnt->rxcrc; | |
522 | stats->dot11RTSSuccessCount = cnt->txrts; | |
523 | WL_UNLOCK(wl); | |
a9533e7e HP |
524 | return 0; |
525 | } | |
526 | ||
527 | static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
528 | { | |
fd821d1e AS |
529 | struct wl_info *wl = hw->priv; |
530 | ||
531 | WL_LOCK(wl); | |
532 | wlc_iovar_setint(wl->wlc, "rtsthresh", value & 0xFFFF); | |
533 | WL_UNLOCK(wl); | |
a9533e7e HP |
534 | return 0; |
535 | } | |
536 | ||
537 | static void | |
538 | wl_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
539 | enum sta_notify_cmd cmd, struct ieee80211_sta *sta) | |
540 | { | |
f4528696 | 541 | WL_NONE("%s: Enter\n", __func__); |
a9533e7e HP |
542 | switch (cmd) { |
543 | default: | |
f4528696 | 544 | WL_ERROR("%s: Unknown cmd = %d\n", __func__, cmd); |
a9533e7e HP |
545 | break; |
546 | } | |
547 | return; | |
548 | } | |
549 | ||
550 | static int | |
551 | wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
552 | const struct ieee80211_tx_queue_params *params) | |
553 | { | |
2cb22a7a | 554 | struct wl_info *wl = hw->priv; |
a9533e7e | 555 | |
f4528696 JP |
556 | WL_NONE("%s: Enter (WME config)\n", __func__); |
557 | WL_NONE("queue %d, txop %d, cwmin %d, cwmax %d, aifs %d\n", queue, | |
558 | params->txop, params->cw_min, params->cw_max, params->aifs); | |
a9533e7e HP |
559 | |
560 | WL_LOCK(wl); | |
0f0881b0 | 561 | wlc_wme_setparams(wl->wlc, queue, (void *)params, true); |
a9533e7e HP |
562 | WL_UNLOCK(wl); |
563 | ||
564 | return 0; | |
565 | } | |
566 | ||
567 | static u64 wl_ops_get_tsf(struct ieee80211_hw *hw) | |
568 | { | |
f4528696 | 569 | WL_ERROR("%s: Enter\n", __func__); |
a9533e7e HP |
570 | return 0; |
571 | } | |
572 | ||
573 | static int | |
3646dd97 AS |
574 | wl_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
575 | struct ieee80211_sta *sta) | |
a9533e7e HP |
576 | { |
577 | struct scb *scb; | |
578 | ||
579 | int i; | |
2cb22a7a | 580 | struct wl_info *wl = hw->priv; |
a9533e7e HP |
581 | |
582 | /* Init the scb */ | |
583 | scb = (struct scb *)sta->drv_priv; | |
9249ede9 | 584 | memset(scb, 0, sizeof(struct scb)); |
a9533e7e HP |
585 | for (i = 0; i < NUMPRIO; i++) |
586 | scb->seqctl[i] = 0xFFFF; | |
587 | scb->seqctl_nonqos = 0xFFFF; | |
588 | scb->magic = SCB_MAGIC; | |
589 | ||
590 | wl->pub->global_scb = scb; | |
591 | wl->pub->global_ampdu = &(scb->scb_ampdu); | |
592 | wl->pub->global_ampdu->scb = scb; | |
a9533e7e | 593 | wl->pub->global_ampdu->max_pdu = 16; |
a9533e7e HP |
594 | pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID, |
595 | AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT); | |
596 | ||
0f0881b0 | 597 | sta->ht_cap.ht_supported = true; |
a9533e7e | 598 | sta->ht_cap.ampdu_factor = AMPDU_RX_FACTOR_64K; |
a9533e7e HP |
599 | sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY; |
600 | sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD | | |
601 | IEEE80211_HT_CAP_SGI_20 | | |
602 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT; | |
603 | ||
604 | /* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */ | |
605 | return 0; | |
606 | } | |
607 | ||
608 | static int | |
3646dd97 AS |
609 | wl_ops_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
610 | struct ieee80211_sta *sta) | |
a9533e7e | 611 | { |
f4528696 | 612 | WL_NONE("%s: Enter\n", __func__); |
a9533e7e HP |
613 | return 0; |
614 | } | |
615 | ||
616 | static int | |
3646dd97 AS |
617 | wl_ops_ampdu_action(struct ieee80211_hw *hw, |
618 | struct ieee80211_vif *vif, | |
619 | enum ieee80211_ampdu_mlme_action action, | |
620 | struct ieee80211_sta *sta, u16 tid, u16 *ssn) | |
a9533e7e HP |
621 | { |
622 | #if defined(BCMDBG) | |
623 | struct scb *scb = (struct scb *)sta->drv_priv; | |
624 | #endif | |
2cb22a7a | 625 | struct wl_info *wl = hw->priv; |
2d57aa7b | 626 | int status; |
a9533e7e HP |
627 | |
628 | ASSERT(scb->magic == SCB_MAGIC); | |
629 | switch (action) { | |
630 | case IEEE80211_AMPDU_RX_START: | |
f4528696 | 631 | WL_NONE("%s: action = IEEE80211_AMPDU_RX_START\n", __func__); |
a9533e7e HP |
632 | break; |
633 | case IEEE80211_AMPDU_RX_STOP: | |
f4528696 | 634 | WL_NONE("%s: action = IEEE80211_AMPDU_RX_STOP\n", __func__); |
a9533e7e HP |
635 | break; |
636 | case IEEE80211_AMPDU_TX_START: | |
2d57aa7b RV |
637 | WL_LOCK(wl); |
638 | status = wlc_aggregatable(wl->wlc, tid); | |
639 | WL_UNLOCK(wl); | |
640 | if (!status) { | |
f4528696 | 641 | /* WL_ERROR("START: tid %d is not agg' able, return FAILURE to stack\n", tid); */ |
a9533e7e HP |
642 | return -1; |
643 | } | |
644 | /* XXX: Use the starting sequence number provided ... */ | |
645 | *ssn = 0; | |
646 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
647 | break; | |
648 | ||
649 | case IEEE80211_AMPDU_TX_STOP: | |
650 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
651 | break; | |
652 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
653 | /* Not sure what to do here */ | |
654 | /* Power save wakeup */ | |
f4528696 JP |
655 | WL_NONE("%s: action = IEEE80211_AMPDU_TX_OPERATIONAL\n", |
656 | __func__); | |
a9533e7e HP |
657 | break; |
658 | default: | |
f4528696 | 659 | WL_ERROR("%s: Invalid command, ignoring\n", __func__); |
a9533e7e HP |
660 | } |
661 | ||
662 | return 0; | |
663 | } | |
664 | ||
5abb04a6 AS |
665 | static void wl_ops_rfkill_poll(struct ieee80211_hw *hw) |
666 | { | |
667 | struct wl_info *wl = HW_TO_WL(hw); | |
668 | bool blocked; | |
669 | ||
670 | WL_LOCK(wl); | |
671 | blocked = wlc_check_radio_disabled(wl->wlc); | |
672 | WL_UNLOCK(wl); | |
673 | ||
4a079150 | 674 | WL_NONE("wl: rfkill_poll: %d\n", blocked); |
5abb04a6 AS |
675 | wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked); |
676 | } | |
677 | ||
a9533e7e | 678 | static const struct ieee80211_ops wl_ops = { |
a9533e7e | 679 | .tx = wl_ops_tx, |
a9533e7e HP |
680 | .start = wl_ops_start, |
681 | .stop = wl_ops_stop, | |
682 | .add_interface = wl_ops_add_interface, | |
683 | .remove_interface = wl_ops_remove_interface, | |
684 | .config = wl_ops_config, | |
685 | .bss_info_changed = wl_ops_bss_info_changed, | |
686 | .configure_filter = wl_ops_configure_filter, | |
687 | .set_tim = wl_ops_set_tim, | |
688 | .sw_scan_start = wl_ops_sw_scan_start, | |
689 | .sw_scan_complete = wl_ops_sw_scan_complete, | |
690 | .set_tsf = wl_ops_set_tsf, | |
691 | .get_stats = wl_ops_get_stats, | |
692 | .set_rts_threshold = wl_ops_set_rts_threshold, | |
693 | .sta_notify = wl_ops_sta_notify, | |
694 | .conf_tx = wl_ops_conf_tx, | |
695 | .get_tsf = wl_ops_get_tsf, | |
3646dd97 AS |
696 | .sta_add = wl_ops_sta_add, |
697 | .sta_remove = wl_ops_sta_remove, | |
698 | .ampdu_action = wl_ops_ampdu_action, | |
5abb04a6 | 699 | .rfkill_poll = wl_ops_rfkill_poll, |
a9533e7e HP |
700 | }; |
701 | ||
55182a10 RV |
702 | /* |
703 | * is called in wl_pci_probe() context, therefore no locking required. | |
704 | */ | |
2cb22a7a | 705 | static int wl_set_hint(struct wl_info *wl, char *abbrev) |
a9533e7e | 706 | { |
4a079150 | 707 | WL_NONE("%s: Sending country code %c%c to MAC80211\n", |
f4528696 | 708 | __func__, abbrev[0], abbrev[1]); |
90ea2296 | 709 | return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev); |
a9533e7e HP |
710 | } |
711 | ||
712 | /** | |
713 | * attach to the WL device. | |
714 | * | |
715 | * Attach to the WL device identified by vendor and device parameters. | |
716 | * regs is a host accessible memory address pointing to WL device registers. | |
717 | * | |
718 | * wl_attach is not defined as static because in the case where no bus | |
719 | * is defined, wl_attach will never be called, and thus, gcc will issue | |
720 | * a warning that this function is defined but not used if we declare | |
721 | * it as static. | |
55182a10 RV |
722 | * |
723 | * | |
724 | * is called in wl_pci_probe() context, therefore no locking required. | |
a9533e7e | 725 | */ |
2cb22a7a | 726 | static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs, |
a9533e7e HP |
727 | uint bustype, void *btparam, uint irq) |
728 | { | |
2cb22a7a | 729 | struct wl_info *wl; |
e69284f2 | 730 | struct osl_info *osh; |
a9533e7e HP |
731 | int unit, err; |
732 | ||
3deea904 | 733 | unsigned long base_addr; |
a9533e7e | 734 | struct ieee80211_hw *hw; |
41feb5ed | 735 | u8 perm[ETH_ALEN]; |
a9533e7e | 736 | |
06fc8846 | 737 | unit = wl_found; |
a9533e7e HP |
738 | err = 0; |
739 | ||
740 | if (unit < 0) { | |
f4528696 | 741 | WL_ERROR("wl%d: unit number overflow, exiting\n", unit); |
a9533e7e HP |
742 | return NULL; |
743 | } | |
744 | ||
997dd24f | 745 | osh = osl_attach(btparam, bustype); |
a9533e7e HP |
746 | ASSERT(osh); |
747 | ||
a9533e7e HP |
748 | /* allocate private info */ |
749 | hw = pci_get_drvdata(btparam); /* btparam == pdev */ | |
750 | wl = hw->priv; | |
a9533e7e HP |
751 | ASSERT(wl); |
752 | ||
a9533e7e HP |
753 | wl->osh = osh; |
754 | atomic_set(&wl->callbacks, 0); | |
755 | ||
eb4764c3 | 756 | /* setup the bottom half handler */ |
3deea904 | 757 | tasklet_init(&wl->tasklet, wl_dpc, (unsigned long) wl); |
eb4764c3 | 758 | |
a9533e7e | 759 | |
a9533e7e HP |
760 | |
761 | base_addr = regs; | |
762 | ||
763 | if (bustype == PCI_BUS) { | |
06fc8846 | 764 | wl->piomode = false; |
a9533e7e HP |
765 | } else if (bustype == RPC_BUS) { |
766 | /* Do nothing */ | |
767 | } else { | |
768 | bustype = PCI_BUS; | |
f4528696 | 769 | WL_TRACE("force to PCI\n"); |
a9533e7e HP |
770 | } |
771 | wl->bcm_bustype = bustype; | |
772 | ||
ca8c1e59 JC |
773 | wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ); |
774 | if (wl->regsva == NULL) { | |
f4528696 | 775 | WL_ERROR("wl%d: ioremap() failed\n", unit); |
a9533e7e HP |
776 | goto fail; |
777 | } | |
a9533e7e HP |
778 | spin_lock_init(&wl->lock); |
779 | spin_lock_init(&wl->isr_lock); | |
a9533e7e | 780 | |
a9533e7e | 781 | /* prepare ucode */ |
7249e6a1 | 782 | if (wl_request_fw(wl, (struct pci_dev *)btparam) < 0) { |
0bef7748 AS |
783 | WL_ERROR("%s: Failed to find firmware usually in %s\n", |
784 | KBUILD_MODNAME, "/lib/firmware/brcm"); | |
683b505b BR |
785 | wl_release_fw(wl); |
786 | wl_remove((struct pci_dev *)btparam); | |
787 | goto fail1; | |
a9533e7e | 788 | } |
a9533e7e HP |
789 | |
790 | /* common load-time initialization */ | |
eb4764c3 BH |
791 | wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode, osh, |
792 | wl->regsva, wl->bcm_bustype, btparam, &err); | |
eb4764c3 | 793 | wl_release_fw(wl); |
eb4764c3 | 794 | if (!wl->wlc) { |
0bef7748 AS |
795 | WL_ERROR("%s: wlc_attach() failed with code %d\n", |
796 | KBUILD_MODNAME, err); | |
a9533e7e HP |
797 | goto fail; |
798 | } | |
a9533e7e HP |
799 | wl->pub = wlc_pub(wl->wlc); |
800 | ||
801 | wl->pub->ieee_hw = hw; | |
802 | ASSERT(wl->pub->ieee_hw); | |
803 | ASSERT(wl->pub->ieee_hw->priv == wl); | |
804 | ||
a9533e7e | 805 | |
06fc8846 | 806 | if (wlc_iovar_setint(wl->wlc, "mpc", 0)) { |
f4528696 | 807 | WL_ERROR("wl%d: Error setting MPC variable to 0\n", unit); |
a9533e7e | 808 | } |
a9533e7e | 809 | |
a9533e7e HP |
810 | /* register our interrupt handler */ |
811 | if (request_irq(irq, wl_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) { | |
f4528696 | 812 | WL_ERROR("wl%d: request_irq() failed\n", unit); |
a9533e7e HP |
813 | goto fail; |
814 | } | |
815 | wl->irq = irq; | |
a9533e7e HP |
816 | |
817 | /* register module */ | |
818 | wlc_module_register(wl->pub, NULL, "linux", wl, NULL, wl_linux_watchdog, | |
819 | NULL); | |
820 | ||
821 | if (ieee_hw_init(hw)) { | |
f4528696 | 822 | WL_ERROR("wl%d: %s: ieee_hw_init failed!\n", unit, __func__); |
a9533e7e HP |
823 | goto fail; |
824 | } | |
825 | ||
02160695 | 826 | memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN); |
a9533e7e HP |
827 | ASSERT(is_valid_ether_addr(perm)); |
828 | SET_IEEE80211_PERM_ADDR(hw, perm); | |
829 | ||
830 | err = ieee80211_register_hw(hw); | |
831 | if (err) { | |
f4528696 JP |
832 | WL_ERROR("%s: ieee80211_register_hw failed, status %d\n", |
833 | __func__, err); | |
a9533e7e HP |
834 | } |
835 | ||
836 | if (wl->pub->srom_ccode[0]) | |
837 | err = wl_set_hint(wl, wl->pub->srom_ccode); | |
838 | else | |
839 | err = wl_set_hint(wl, "US"); | |
840 | if (err) { | |
f4528696 JP |
841 | WL_ERROR("%s: regulatory_hint failed, status %d\n", |
842 | __func__, err); | |
a9533e7e | 843 | } |
a9533e7e | 844 | |
a9533e7e HP |
845 | wl_found++; |
846 | return wl; | |
847 | ||
4032ec63 | 848 | fail: |
a9533e7e | 849 | wl_free(wl); |
9e56568a | 850 | fail1: |
a9533e7e HP |
851 | return NULL; |
852 | } | |
853 | ||
a9533e7e | 854 | |
a9533e7e HP |
855 | |
856 | #define CHAN2GHZ(channel, freqency, chflags) { \ | |
857 | .band = IEEE80211_BAND_2GHZ, \ | |
858 | .center_freq = (freqency), \ | |
859 | .hw_value = (channel), \ | |
860 | .flags = chflags, \ | |
861 | .max_antenna_gain = 0, \ | |
862 | .max_power = 19, \ | |
863 | } | |
864 | ||
865 | static struct ieee80211_channel wl_2ghz_chantable[] = { | |
866 | CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS), | |
867 | CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS), | |
868 | CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS), | |
869 | CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS), | |
870 | CHAN2GHZ(5, 2432, 0), | |
871 | CHAN2GHZ(6, 2437, 0), | |
872 | CHAN2GHZ(7, 2442, 0), | |
873 | CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS), | |
874 | CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS), | |
875 | CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS), | |
876 | CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS), | |
877 | CHAN2GHZ(12, 2467, | |
878 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
879 | IEEE80211_CHAN_NO_HT40PLUS), | |
880 | CHAN2GHZ(13, 2472, | |
881 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
882 | IEEE80211_CHAN_NO_HT40PLUS), | |
883 | CHAN2GHZ(14, 2484, | |
884 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
885 | IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
886 | }; | |
887 | ||
888 | #define CHAN5GHZ(channel, chflags) { \ | |
889 | .band = IEEE80211_BAND_5GHZ, \ | |
890 | .center_freq = 5000 + 5*(channel), \ | |
891 | .hw_value = (channel), \ | |
892 | .flags = chflags, \ | |
893 | .max_antenna_gain = 0, \ | |
894 | .max_power = 21, \ | |
895 | } | |
896 | ||
897 | static struct ieee80211_channel wl_5ghz_nphy_chantable[] = { | |
898 | /* UNII-1 */ | |
899 | CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS), | |
900 | CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS), | |
901 | CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS), | |
902 | CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS), | |
903 | /* UNII-2 */ | |
904 | CHAN5GHZ(52, | |
905 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
906 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
907 | CHAN5GHZ(56, | |
908 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
909 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
910 | CHAN5GHZ(60, | |
911 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
912 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
913 | CHAN5GHZ(64, | |
914 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
915 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
916 | /* MID */ | |
917 | CHAN5GHZ(100, | |
918 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
919 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
920 | CHAN5GHZ(104, | |
921 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
922 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
923 | CHAN5GHZ(108, | |
924 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
925 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
926 | CHAN5GHZ(112, | |
927 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
928 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
929 | CHAN5GHZ(116, | |
930 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
931 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
932 | CHAN5GHZ(120, | |
933 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
934 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
935 | CHAN5GHZ(124, | |
936 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
937 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
938 | CHAN5GHZ(128, | |
939 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
940 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
941 | CHAN5GHZ(132, | |
942 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
943 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
944 | CHAN5GHZ(136, | |
945 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
946 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
947 | CHAN5GHZ(140, | |
948 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
949 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS | | |
950 | IEEE80211_CHAN_NO_HT40MINUS), | |
951 | /* UNII-3 */ | |
952 | CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS), | |
953 | CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS), | |
954 | CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS), | |
955 | CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS), | |
956 | CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
957 | }; | |
958 | ||
959 | #define RATE(rate100m, _flags) { \ | |
960 | .bitrate = (rate100m), \ | |
961 | .flags = (_flags), \ | |
962 | .hw_value = (rate100m / 5), \ | |
963 | } | |
964 | ||
965 | static struct ieee80211_rate wl_legacy_ratetable[] = { | |
966 | RATE(10, 0), | |
967 | RATE(20, IEEE80211_RATE_SHORT_PREAMBLE), | |
968 | RATE(55, IEEE80211_RATE_SHORT_PREAMBLE), | |
969 | RATE(110, IEEE80211_RATE_SHORT_PREAMBLE), | |
970 | RATE(60, 0), | |
971 | RATE(90, 0), | |
972 | RATE(120, 0), | |
973 | RATE(180, 0), | |
974 | RATE(240, 0), | |
975 | RATE(360, 0), | |
976 | RATE(480, 0), | |
977 | RATE(540, 0), | |
978 | }; | |
979 | ||
980 | static struct ieee80211_supported_band wl_band_2GHz_nphy = { | |
981 | .band = IEEE80211_BAND_2GHZ, | |
982 | .channels = wl_2ghz_chantable, | |
983 | .n_channels = ARRAY_SIZE(wl_2ghz_chantable), | |
984 | .bitrates = wl_legacy_ratetable, | |
985 | .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable), | |
986 | .ht_cap = { | |
987 | /* from include/linux/ieee80211.h */ | |
988 | .cap = IEEE80211_HT_CAP_GRN_FLD | | |
989 | IEEE80211_HT_CAP_SGI_20 | | |
990 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT, | |
a9533e7e HP |
991 | .ht_supported = true, |
992 | .ampdu_factor = AMPDU_RX_FACTOR_64K, | |
a9533e7e HP |
993 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, |
994 | .mcs = { | |
995 | /* placeholders for now */ | |
a9533e7e HP |
996 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, |
997 | .rx_highest = 500, | |
a9533e7e HP |
998 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} |
999 | } | |
1000 | }; | |
1001 | ||
1002 | static struct ieee80211_supported_band wl_band_5GHz_nphy = { | |
1003 | .band = IEEE80211_BAND_5GHZ, | |
1004 | .channels = wl_5ghz_nphy_chantable, | |
1005 | .n_channels = ARRAY_SIZE(wl_5ghz_nphy_chantable), | |
1006 | .bitrates = wl_legacy_ratetable + 4, | |
1007 | .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable) - 4, | |
1008 | .ht_cap = { | |
1009 | /* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */ | |
1010 | .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 */ | |
1011 | .ht_supported = true, | |
1012 | .ampdu_factor = AMPDU_RX_FACTOR_64K, | |
1013 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, | |
1014 | .mcs = { | |
1015 | /* placeholders for now */ | |
1016 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, | |
1017 | .rx_highest = 500, | |
1018 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} | |
1019 | } | |
1020 | }; | |
1021 | ||
55182a10 RV |
1022 | /* |
1023 | * is called in wl_pci_probe() context, therefore no locking required. | |
1024 | */ | |
a9533e7e HP |
1025 | static int ieee_hw_rate_init(struct ieee80211_hw *hw) |
1026 | { | |
2cb22a7a | 1027 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
1028 | int has_5g; |
1029 | char phy_list[4]; | |
1030 | ||
1031 | has_5g = 0; | |
1032 | ||
1033 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL; | |
1034 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; | |
1035 | ||
1036 | if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) { | |
f4528696 | 1037 | WL_ERROR("Phy list failed\n"); |
a9533e7e | 1038 | } |
f4528696 | 1039 | WL_NONE("%s: phylist = %c\n", __func__, phy_list[0]); |
a9533e7e | 1040 | |
a9533e7e HP |
1041 | if (phy_list[0] == 'n' || phy_list[0] == 'c') { |
1042 | if (phy_list[0] == 'c') { | |
1043 | /* Single stream */ | |
1044 | wl_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0; | |
1045 | wl_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72; | |
1046 | } | |
a9533e7e HP |
1047 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl_band_2GHz_nphy; |
1048 | } else { | |
1049 | BUG(); | |
90ea2296 | 1050 | return -1; |
a9533e7e HP |
1051 | } |
1052 | ||
1053 | /* Assume all bands use the same phy. True for 11n devices. */ | |
1054 | if (NBANDS_PUB(wl->pub) > 1) { | |
1055 | has_5g++; | |
a9533e7e | 1056 | if (phy_list[0] == 'n' || phy_list[0] == 'c') { |
a9533e7e HP |
1057 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
1058 | &wl_band_5GHz_nphy; | |
1059 | } else { | |
90ea2296 | 1060 | return -1; |
a9533e7e HP |
1061 | } |
1062 | } | |
1063 | ||
f4528696 | 1064 | WL_NONE("%s: 2ghz = %d, 5ghz = %d\n", __func__, 1, has_5g); |
a9533e7e | 1065 | |
90ea2296 | 1066 | return 0; |
a9533e7e HP |
1067 | } |
1068 | ||
55182a10 RV |
1069 | /* |
1070 | * is called in wl_pci_probe() context, therefore no locking required. | |
1071 | */ | |
a9533e7e HP |
1072 | static int ieee_hw_init(struct ieee80211_hw *hw) |
1073 | { | |
1074 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
1075 | /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */ | |
1076 | | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
1077 | | IEEE80211_HW_AMPDU_AGGREGATION; | |
1078 | ||
1079 | hw->extra_tx_headroom = wlc_get_header_len(); | |
1080 | /* FIXME: should get this from wlc->machwcap */ | |
1081 | hw->queues = 4; | |
1082 | /* FIXME: this doesn't seem to be used properly in minstrel_ht. | |
1083 | * mac80211/status.c:ieee80211_tx_status() checks this value, | |
1084 | * but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate() | |
1085 | * appears to always set 3 rates | |
1086 | */ | |
1087 | hw->max_rates = 2; /* Primary rate and 1 fallback rate */ | |
1088 | ||
1089 | hw->channel_change_time = 7 * 1000; /* channel change time is dependant on chip and band */ | |
1090 | hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); | |
1091 | ||
1092 | hw->rate_control_algorithm = "minstrel_ht"; | |
1093 | ||
1094 | hw->sta_data_size = sizeof(struct scb); | |
90ea2296 | 1095 | return ieee_hw_rate_init(hw); |
a9533e7e HP |
1096 | } |
1097 | ||
a9533e7e HP |
1098 | /** |
1099 | * determines if a device is a WL device, and if so, attaches it. | |
1100 | * | |
1101 | * This function determines if a device pointed to by pdev is a WL device, | |
1102 | * and if so, performs a wl_attach() on it. | |
1103 | * | |
55182a10 | 1104 | * Perimeter lock is initialized in the course of this function. |
a9533e7e | 1105 | */ |
62b54dca | 1106 | static int __devinit |
a9533e7e HP |
1107 | wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
1108 | { | |
1109 | int rc; | |
2cb22a7a | 1110 | struct wl_info *wl; |
a9533e7e | 1111 | struct ieee80211_hw *hw; |
66cbd3ab | 1112 | u32 val; |
a9533e7e HP |
1113 | |
1114 | ASSERT(pdev); | |
1115 | ||
f4528696 JP |
1116 | WL_TRACE("%s: bus %d slot %d func %d irq %d\n", |
1117 | __func__, pdev->bus->number, PCI_SLOT(pdev->devfn), | |
1118 | PCI_FUNC(pdev->devfn), pdev->irq); | |
a9533e7e HP |
1119 | |
1120 | if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) || | |
1121 | (((pdev->device & 0xff00) != 0x4300) && | |
1122 | ((pdev->device & 0xff00) != 0x4700) && | |
1123 | ((pdev->device < 43000) || (pdev->device > 43999)))) | |
90ea2296 | 1124 | return -ENODEV; |
a9533e7e HP |
1125 | |
1126 | rc = pci_enable_device(pdev); | |
1127 | if (rc) { | |
f4528696 JP |
1128 | WL_ERROR("%s: Cannot enable device %d-%d_%d\n", |
1129 | __func__, pdev->bus->number, PCI_SLOT(pdev->devfn), | |
1130 | PCI_FUNC(pdev->devfn)); | |
90ea2296 | 1131 | return -ENODEV; |
a9533e7e HP |
1132 | } |
1133 | pci_set_master(pdev); | |
1134 | ||
1135 | pci_read_config_dword(pdev, 0x40, &val); | |
1136 | if ((val & 0x0000ff00) != 0) | |
1137 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); | |
1138 | ||
2cb22a7a | 1139 | hw = ieee80211_alloc_hw(sizeof(struct wl_info), &wl_ops); |
a9533e7e | 1140 | if (!hw) { |
f4528696 | 1141 | WL_ERROR("%s: ieee80211_alloc_hw failed\n", __func__); |
a9533e7e HP |
1142 | rc = -ENOMEM; |
1143 | goto err_1; | |
1144 | } | |
1145 | ||
1146 | SET_IEEE80211_DEV(hw, &pdev->dev); | |
1147 | ||
1148 | pci_set_drvdata(pdev, hw); | |
1149 | ||
9249ede9 | 1150 | memset(hw->priv, 0, sizeof(*wl)); |
a9533e7e HP |
1151 | |
1152 | wl = wl_attach(pdev->vendor, pdev->device, pci_resource_start(pdev, 0), | |
1153 | PCI_BUS, pdev, pdev->irq); | |
1154 | ||
683b505b | 1155 | if (!wl) { |
f4528696 JP |
1156 | WL_ERROR("%s: %s: wl_attach failed!\n", |
1157 | KBUILD_MODNAME, __func__); | |
683b505b BR |
1158 | return -ENODEV; |
1159 | } | |
a9533e7e HP |
1160 | return 0; |
1161 | err_1: | |
f4528696 | 1162 | WL_ERROR("%s: err_1: Major hoarkage\n", __func__); |
a9533e7e HP |
1163 | return 0; |
1164 | } | |
1165 | ||
878a6673 | 1166 | static int wl_suspend(struct pci_dev *pdev, pm_message_t state) |
a9533e7e | 1167 | { |
2cb22a7a | 1168 | struct wl_info *wl; |
a9533e7e HP |
1169 | struct ieee80211_hw *hw; |
1170 | ||
f4528696 | 1171 | WL_TRACE("wl: wl_suspend\n"); |
a9533e7e HP |
1172 | |
1173 | hw = pci_get_drvdata(pdev); | |
1174 | wl = HW_TO_WL(hw); | |
1175 | if (!wl) { | |
f4528696 | 1176 | WL_ERROR("wl: wl_suspend: pci_get_drvdata failed\n"); |
a9533e7e HP |
1177 | return -ENODEV; |
1178 | } | |
1179 | ||
4032ec63 | 1180 | /* only need to flag hw is down for proper resume */ |
a9533e7e | 1181 | WL_LOCK(wl); |
0965ae88 | 1182 | wl->pub->hw_up = false; |
a9533e7e | 1183 | WL_UNLOCK(wl); |
4032ec63 AS |
1184 | |
1185 | pci_save_state(pdev); | |
a9533e7e HP |
1186 | pci_disable_device(pdev); |
1187 | return pci_set_power_state(pdev, PCI_D3hot); | |
1188 | } | |
1189 | ||
1190 | static int wl_resume(struct pci_dev *pdev) | |
1191 | { | |
2cb22a7a | 1192 | struct wl_info *wl; |
a9533e7e HP |
1193 | struct ieee80211_hw *hw; |
1194 | int err = 0; | |
66cbd3ab | 1195 | u32 val; |
a9533e7e | 1196 | |
f4528696 | 1197 | WL_TRACE("wl: wl_resume\n"); |
a9533e7e HP |
1198 | hw = pci_get_drvdata(pdev); |
1199 | wl = HW_TO_WL(hw); | |
1200 | if (!wl) { | |
f4528696 | 1201 | WL_ERROR("wl: wl_resume: pci_get_drvdata failed\n"); |
a9533e7e HP |
1202 | return -ENODEV; |
1203 | } | |
1204 | ||
1205 | err = pci_set_power_state(pdev, PCI_D0); | |
1206 | if (err) | |
1207 | return err; | |
1208 | ||
4032ec63 | 1209 | pci_restore_state(pdev); |
a9533e7e HP |
1210 | |
1211 | err = pci_enable_device(pdev); | |
1212 | if (err) | |
1213 | return err; | |
1214 | ||
1215 | pci_set_master(pdev); | |
1216 | ||
1217 | pci_read_config_dword(pdev, 0x40, &val); | |
1218 | if ((val & 0x0000ff00) != 0) | |
1219 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); | |
1220 | ||
4032ec63 AS |
1221 | /* |
1222 | * done. driver will be put in up state | |
1223 | * in wl_ops_add_interface() call. | |
1224 | */ | |
90ea2296 | 1225 | return err; |
a9533e7e | 1226 | } |
a9533e7e | 1227 | |
55182a10 RV |
1228 | /* |
1229 | * called from both kernel as from wl_*() | |
1230 | * precondition: perimeter lock is not acquired. | |
1231 | */ | |
6f0c5bcd | 1232 | static void wl_remove(struct pci_dev *pdev) |
a9533e7e | 1233 | { |
2cb22a7a | 1234 | struct wl_info *wl; |
a9533e7e | 1235 | struct ieee80211_hw *hw; |
2d57aa7b | 1236 | int status; |
a9533e7e HP |
1237 | |
1238 | hw = pci_get_drvdata(pdev); | |
1239 | wl = HW_TO_WL(hw); | |
1240 | if (!wl) { | |
f4528696 | 1241 | WL_ERROR("wl: wl_remove: pci_get_drvdata failed\n"); |
a9533e7e HP |
1242 | return; |
1243 | } | |
5abb04a6 | 1244 | |
2d57aa7b RV |
1245 | WL_LOCK(wl); |
1246 | status = wlc_chipmatch(pdev->vendor, pdev->device); | |
1247 | WL_UNLOCK(wl); | |
1248 | if (!status) { | |
f4528696 | 1249 | WL_ERROR("wl: wl_remove: wlc_chipmatch failed\n"); |
a9533e7e HP |
1250 | return; |
1251 | } | |
683b505b | 1252 | if (wl->wlc) { |
490e00f6 RV |
1253 | wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false); |
1254 | wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy); | |
683b505b BR |
1255 | ieee80211_unregister_hw(hw); |
1256 | WL_LOCK(wl); | |
1257 | wl_down(wl); | |
1258 | WL_UNLOCK(wl); | |
f4528696 | 1259 | WL_NONE("%s: Down\n", __func__); |
683b505b | 1260 | } |
a9533e7e HP |
1261 | pci_disable_device(pdev); |
1262 | ||
1263 | wl_free(wl); | |
1264 | ||
1265 | pci_set_drvdata(pdev, NULL); | |
1266 | ieee80211_free_hw(hw); | |
1267 | } | |
1268 | ||
1269 | static struct pci_driver wl_pci_driver = { | |
949c3676 GKH |
1270 | .name = KBUILD_MODNAME, |
1271 | .probe = wl_pci_probe, | |
1272 | .suspend = wl_suspend, | |
1273 | .resume = wl_resume, | |
c836f77f AS |
1274 | .remove = __devexit_p(wl_remove), |
1275 | .id_table = wl_id_table, | |
a9533e7e | 1276 | }; |
a9533e7e HP |
1277 | |
1278 | /** | |
1279 | * This is the main entry point for the WL driver. | |
1280 | * | |
1281 | * This function determines if a device pointed to by pdev is a WL device, | |
1282 | * and if so, performs a wl_attach() on it. | |
1283 | * | |
1284 | */ | |
1285 | static int __init wl_module_init(void) | |
1286 | { | |
1287 | int error = -ENODEV; | |
1288 | ||
1289 | #ifdef BCMDBG | |
1290 | if (msglevel != 0xdeadbeef) | |
1291 | wl_msg_level = msglevel; | |
1292 | else { | |
1293 | char *var = getvar(NULL, "wl_msglevel"); | |
1294 | if (var) | |
48c51a8c | 1295 | wl_msg_level = simple_strtoul(var, NULL, 0); |
a9533e7e | 1296 | } |
a9533e7e | 1297 | { |
66cbd3ab | 1298 | extern u32 phyhal_msg_level; |
a9533e7e HP |
1299 | |
1300 | if (phymsglevel != 0xdeadbeef) | |
1301 | phyhal_msg_level = phymsglevel; | |
1302 | else { | |
1303 | char *var = getvar(NULL, "phy_msglevel"); | |
1304 | if (var) | |
48c51a8c | 1305 | phyhal_msg_level = simple_strtoul(var, NULL, 0); |
a9533e7e HP |
1306 | } |
1307 | } | |
a9533e7e HP |
1308 | #endif /* BCMDBG */ |
1309 | ||
8ba9cfdb | 1310 | error = pci_register_driver(&wl_pci_driver); |
ca8c1e59 | 1311 | if (!error) |
90ea2296 | 1312 | return 0; |
a9533e7e | 1313 | |
a9533e7e | 1314 | |
a9533e7e | 1315 | |
90ea2296 | 1316 | return error; |
a9533e7e HP |
1317 | } |
1318 | ||
1319 | /** | |
1320 | * This function unloads the WL driver from the system. | |
1321 | * | |
1322 | * This function unconditionally unloads the WL driver module from the | |
1323 | * system. | |
1324 | * | |
1325 | */ | |
1326 | static void __exit wl_module_exit(void) | |
1327 | { | |
a9533e7e | 1328 | pci_unregister_driver(&wl_pci_driver); |
a9533e7e | 1329 | |
a9533e7e HP |
1330 | } |
1331 | ||
1332 | module_init(wl_module_init); | |
1333 | module_exit(wl_module_exit); | |
1334 | ||
1335 | /** | |
1336 | * This function frees the WL per-device resources. | |
1337 | * | |
1338 | * This function frees resources owned by the WL device pointed to | |
1339 | * by the wl parameter. | |
1340 | * | |
55182a10 RV |
1341 | * precondition: can both be called locked and unlocked |
1342 | * | |
a9533e7e | 1343 | */ |
62b54dca | 1344 | static void wl_free(struct wl_info *wl) |
a9533e7e | 1345 | { |
44bb83af | 1346 | struct wl_timer *t, *next; |
e69284f2 | 1347 | struct osl_info *osh; |
a9533e7e HP |
1348 | |
1349 | ASSERT(wl); | |
a9533e7e HP |
1350 | /* free ucode data */ |
1351 | if (wl->fw.fw_cnt) | |
1352 | wl_ucode_data_free(); | |
a9533e7e HP |
1353 | if (wl->irq) |
1354 | free_irq(wl->irq, wl); | |
a9533e7e HP |
1355 | |
1356 | /* kill dpc */ | |
1357 | tasklet_kill(&wl->tasklet); | |
1358 | ||
1359 | if (wl->pub) { | |
1360 | wlc_module_unregister(wl->pub, "linux", wl); | |
1361 | } | |
1362 | ||
1363 | /* free common resources */ | |
1364 | if (wl->wlc) { | |
1365 | wlc_detach(wl->wlc); | |
1366 | wl->wlc = NULL; | |
1367 | wl->pub = NULL; | |
1368 | } | |
1369 | ||
1370 | /* virtual interface deletion is deferred so we cannot spinwait */ | |
1371 | ||
1372 | /* wait for all pending callbacks to complete */ | |
1373 | while (atomic_read(&wl->callbacks) > 0) | |
1374 | schedule(); | |
1375 | ||
1376 | /* free timers */ | |
1377 | for (t = wl->timers; t; t = next) { | |
1378 | next = t->next; | |
1379 | #ifdef BCMDBG | |
1380 | if (t->name) | |
182acb3c | 1381 | kfree(t->name); |
a9533e7e | 1382 | #endif |
182acb3c | 1383 | kfree(t); |
a9533e7e HP |
1384 | } |
1385 | ||
a9533e7e HP |
1386 | osh = wl->osh; |
1387 | ||
1388 | /* | |
1389 | * unregister_netdev() calls get_stats() which may read chip registers | |
1390 | * so we cannot unmap the chip registers until after calling unregister_netdev() . | |
1391 | */ | |
fa7a1db2 BR |
1392 | if (wl->regsva && wl->bcm_bustype != SDIO_BUS && |
1393 | wl->bcm_bustype != JTAG_BUS) { | |
a9533e7e HP |
1394 | iounmap((void *)wl->regsva); |
1395 | } | |
1396 | wl->regsva = NULL; | |
1397 | ||
a9533e7e | 1398 | |
a9533e7e HP |
1399 | osl_detach(osh); |
1400 | } | |
1401 | ||
55182a10 RV |
1402 | /* |
1403 | * transmit a packet | |
1404 | * precondition: perimeter lock has been acquired | |
1405 | */ | |
2cb22a7a | 1406 | static int BCMFASTPATH wl_start(struct sk_buff *skb, struct wl_info *wl) |
a9533e7e HP |
1407 | { |
1408 | if (!wl) | |
1409 | return -ENETDOWN; | |
1410 | ||
1411 | return wl_start_int(wl, WL_TO_HW(wl), skb); | |
1412 | } | |
a9533e7e HP |
1413 | |
1414 | static int BCMFASTPATH | |
2cb22a7a | 1415 | wl_start_int(struct wl_info *wl, struct ieee80211_hw *hw, struct sk_buff *skb) |
a9533e7e | 1416 | { |
a9533e7e | 1417 | wlc_sendpkt_mac80211(wl->wlc, skb, hw); |
90ea2296 | 1418 | return NETDEV_TX_OK; |
a9533e7e HP |
1419 | } |
1420 | ||
55182a10 RV |
1421 | /* |
1422 | * precondition: perimeter lock has been acquired | |
1423 | */ | |
2cb22a7a RV |
1424 | void wl_txflowcontrol(struct wl_info *wl, struct wl_if *wlif, bool state, |
1425 | int prio) | |
a9533e7e | 1426 | { |
f4528696 | 1427 | WL_ERROR("Shouldn't be here %s\n", __func__); |
a9533e7e HP |
1428 | } |
1429 | ||
55182a10 RV |
1430 | /* |
1431 | * precondition: perimeter lock has been acquired | |
1432 | */ | |
2cb22a7a | 1433 | void wl_init(struct wl_info *wl) |
a9533e7e | 1434 | { |
f4528696 | 1435 | WL_TRACE("wl%d: wl_init\n", wl->pub->unit); |
a9533e7e HP |
1436 | |
1437 | wl_reset(wl); | |
1438 | ||
1439 | wlc_init(wl->wlc); | |
1440 | } | |
1441 | ||
55182a10 RV |
1442 | /* |
1443 | * precondition: perimeter lock has been acquired | |
1444 | */ | |
2cb22a7a | 1445 | uint wl_reset(struct wl_info *wl) |
a9533e7e | 1446 | { |
f4528696 | 1447 | WL_TRACE("wl%d: wl_reset\n", wl->pub->unit); |
a9533e7e HP |
1448 | |
1449 | wlc_reset(wl->wlc); | |
1450 | ||
1451 | /* dpc will not be rescheduled */ | |
1452 | wl->resched = 0; | |
1453 | ||
90ea2296 | 1454 | return 0; |
a9533e7e HP |
1455 | } |
1456 | ||
1457 | /* | |
1458 | * These are interrupt on/off entry points. Disable interrupts | |
1459 | * during interrupt state transition. | |
1460 | */ | |
2cb22a7a | 1461 | void BCMFASTPATH wl_intrson(struct wl_info *wl) |
a9533e7e | 1462 | { |
a9533e7e HP |
1463 | unsigned long flags; |
1464 | ||
1465 | INT_LOCK(wl, flags); | |
1466 | wlc_intrson(wl->wlc); | |
1467 | INT_UNLOCK(wl, flags); | |
a9533e7e HP |
1468 | } |
1469 | ||
55182a10 RV |
1470 | /* |
1471 | * precondition: perimeter lock has been acquired | |
1472 | */ | |
2cb22a7a | 1473 | bool wl_alloc_dma_resources(struct wl_info *wl, uint addrwidth) |
a9533e7e | 1474 | { |
0f0881b0 | 1475 | return true; |
a9533e7e HP |
1476 | } |
1477 | ||
2cb22a7a | 1478 | u32 BCMFASTPATH wl_intrsoff(struct wl_info *wl) |
a9533e7e | 1479 | { |
a9533e7e | 1480 | unsigned long flags; |
66cbd3ab | 1481 | u32 status; |
a9533e7e HP |
1482 | |
1483 | INT_LOCK(wl, flags); | |
1484 | status = wlc_intrsoff(wl->wlc); | |
1485 | INT_UNLOCK(wl, flags); | |
1486 | return status; | |
a9533e7e HP |
1487 | } |
1488 | ||
2cb22a7a | 1489 | void wl_intrsrestore(struct wl_info *wl, u32 macintmask) |
a9533e7e | 1490 | { |
a9533e7e HP |
1491 | unsigned long flags; |
1492 | ||
1493 | INT_LOCK(wl, flags); | |
1494 | wlc_intrsrestore(wl->wlc, macintmask); | |
1495 | INT_UNLOCK(wl, flags); | |
a9533e7e HP |
1496 | } |
1497 | ||
55182a10 RV |
1498 | /* |
1499 | * precondition: perimeter lock has been acquired | |
1500 | */ | |
2cb22a7a | 1501 | int wl_up(struct wl_info *wl) |
a9533e7e HP |
1502 | { |
1503 | int error = 0; | |
1504 | ||
1505 | if (wl->pub->up) | |
90ea2296 | 1506 | return 0; |
a9533e7e HP |
1507 | |
1508 | error = wlc_up(wl->wlc); | |
1509 | ||
90ea2296 | 1510 | return error; |
a9533e7e HP |
1511 | } |
1512 | ||
55182a10 RV |
1513 | /* |
1514 | * precondition: perimeter lock has been acquired | |
1515 | */ | |
2cb22a7a | 1516 | void wl_down(struct wl_info *wl) |
a9533e7e HP |
1517 | { |
1518 | uint callbacks, ret_val = 0; | |
1519 | ||
1520 | /* call common down function */ | |
1521 | ret_val = wlc_down(wl->wlc); | |
1522 | callbacks = atomic_read(&wl->callbacks) - ret_val; | |
1523 | ||
1524 | /* wait for down callbacks to complete */ | |
1525 | WL_UNLOCK(wl); | |
1526 | ||
a9533e7e HP |
1527 | /* For HIGH_only driver, it's important to actually schedule other work, |
1528 | * not just spin wait since everything runs at schedule level | |
1529 | */ | |
1530 | SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000); | |
a9533e7e HP |
1531 | |
1532 | WL_LOCK(wl); | |
1533 | } | |
1534 | ||
62b54dca | 1535 | static irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id) |
a9533e7e | 1536 | { |
2cb22a7a | 1537 | struct wl_info *wl; |
a9533e7e HP |
1538 | bool ours, wantdpc; |
1539 | unsigned long flags; | |
1540 | ||
2cb22a7a | 1541 | wl = (struct wl_info *) dev_id; |
a9533e7e HP |
1542 | |
1543 | WL_ISRLOCK(wl, flags); | |
1544 | ||
1545 | /* call common first level interrupt handler */ | |
ca8c1e59 JC |
1546 | ours = wlc_isr(wl->wlc, &wantdpc); |
1547 | if (ours) { | |
a9533e7e HP |
1548 | /* if more to do... */ |
1549 | if (wantdpc) { | |
1550 | ||
1551 | /* ...and call the second level interrupt handler */ | |
1552 | /* schedule dpc */ | |
0965ae88 | 1553 | ASSERT(wl->resched == false); |
a9533e7e HP |
1554 | tasklet_schedule(&wl->tasklet); |
1555 | } | |
1556 | } | |
1557 | ||
1558 | WL_ISRUNLOCK(wl, flags); | |
1559 | ||
1560 | return IRQ_RETVAL(ours); | |
a9533e7e HP |
1561 | } |
1562 | ||
3deea904 | 1563 | static void BCMFASTPATH wl_dpc(unsigned long data) |
a9533e7e | 1564 | { |
2cb22a7a | 1565 | struct wl_info *wl; |
a9533e7e | 1566 | |
2cb22a7a | 1567 | wl = (struct wl_info *) data; |
a9533e7e HP |
1568 | |
1569 | WL_LOCK(wl); | |
1570 | ||
1571 | /* call the common second level interrupt handler */ | |
1572 | if (wl->pub->up) { | |
1573 | if (wl->resched) { | |
1574 | unsigned long flags; | |
1575 | ||
1576 | INT_LOCK(wl, flags); | |
1577 | wlc_intrsupd(wl->wlc); | |
1578 | INT_UNLOCK(wl, flags); | |
1579 | } | |
1580 | ||
0f0881b0 | 1581 | wl->resched = wlc_dpc(wl->wlc, true); |
a9533e7e HP |
1582 | } |
1583 | ||
1584 | /* wlc_dpc() may bring the driver down */ | |
1585 | if (!wl->pub->up) | |
1586 | goto done; | |
1587 | ||
1588 | /* re-schedule dpc */ | |
1589 | if (wl->resched) | |
1590 | tasklet_schedule(&wl->tasklet); | |
1591 | else { | |
1592 | /* re-enable interrupts */ | |
1593 | wl_intrson(wl); | |
1594 | } | |
1595 | ||
1596 | done: | |
1597 | WL_UNLOCK(wl); | |
a9533e7e HP |
1598 | } |
1599 | ||
55182a10 RV |
1600 | /* |
1601 | * is called by the kernel from software irq context | |
1602 | */ | |
3deea904 | 1603 | static void wl_timer(unsigned long data) |
a9533e7e | 1604 | { |
44bb83af | 1605 | _wl_timer((struct wl_timer *) data); |
a9533e7e HP |
1606 | } |
1607 | ||
55182a10 RV |
1608 | /* |
1609 | * precondition: perimeter lock is not acquired | |
1610 | */ | |
44bb83af | 1611 | static void _wl_timer(struct wl_timer *t) |
a9533e7e HP |
1612 | { |
1613 | WL_LOCK(t->wl); | |
1614 | ||
1615 | if (t->set) { | |
1616 | if (t->periodic) { | |
1617 | t->timer.expires = jiffies + t->ms * HZ / 1000; | |
1618 | atomic_inc(&t->wl->callbacks); | |
1619 | add_timer(&t->timer); | |
0f0881b0 | 1620 | t->set = true; |
a9533e7e | 1621 | } else |
0965ae88 | 1622 | t->set = false; |
a9533e7e HP |
1623 | |
1624 | t->fn(t->arg); | |
1625 | } | |
1626 | ||
1627 | atomic_dec(&t->wl->callbacks); | |
1628 | ||
1629 | WL_UNLOCK(t->wl); | |
1630 | } | |
1631 | ||
55182a10 RV |
1632 | /* |
1633 | * Adds a timer to the list. Caller supplies a timer function. | |
1634 | * Is called from wlc. | |
1635 | * | |
1636 | * precondition: perimeter lock has been acquired | |
1637 | */ | |
44bb83af AS |
1638 | struct wl_timer *wl_init_timer(struct wl_info *wl, void (*fn) (void *arg), |
1639 | void *arg, const char *name) | |
a9533e7e | 1640 | { |
44bb83af | 1641 | struct wl_timer *t; |
a9533e7e | 1642 | |
44bb83af | 1643 | t = kmalloc(sizeof(struct wl_timer), GFP_ATOMIC); |
ca8c1e59 | 1644 | if (!t) { |
f4528696 | 1645 | WL_ERROR("wl%d: wl_init_timer: out of memory\n", wl->pub->unit); |
a9533e7e HP |
1646 | return 0; |
1647 | } | |
1648 | ||
44bb83af | 1649 | memset(t, 0, sizeof(struct wl_timer)); |
a9533e7e HP |
1650 | |
1651 | init_timer(&t->timer); | |
3deea904 | 1652 | t->timer.data = (unsigned long) t; |
a9533e7e HP |
1653 | t->timer.function = wl_timer; |
1654 | t->wl = wl; | |
1655 | t->fn = fn; | |
1656 | t->arg = arg; | |
1657 | t->next = wl->timers; | |
1658 | wl->timers = t; | |
1659 | ||
1660 | #ifdef BCMDBG | |
5fcc1fcb | 1661 | t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC); |
ca8c1e59 | 1662 | if (t->name) |
a9533e7e HP |
1663 | strcpy(t->name, name); |
1664 | #endif | |
1665 | ||
1666 | return t; | |
1667 | } | |
1668 | ||
1669 | /* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate | |
1670 | * as well as it's easier to make it periodic | |
55182a10 RV |
1671 | * |
1672 | * precondition: perimeter lock has been acquired | |
a9533e7e | 1673 | */ |
44bb83af | 1674 | void wl_add_timer(struct wl_info *wl, struct wl_timer *t, uint ms, int periodic) |
a9533e7e HP |
1675 | { |
1676 | #ifdef BCMDBG | |
1677 | if (t->set) { | |
f4528696 JP |
1678 | WL_ERROR("%s: Already set. Name: %s, per %d\n", |
1679 | __func__, t->name, periodic); | |
a9533e7e HP |
1680 | } |
1681 | #endif | |
1682 | ASSERT(!t->set); | |
1683 | ||
1684 | t->ms = ms; | |
1685 | t->periodic = (bool) periodic; | |
0f0881b0 | 1686 | t->set = true; |
a9533e7e HP |
1687 | t->timer.expires = jiffies + ms * HZ / 1000; |
1688 | ||
1689 | atomic_inc(&wl->callbacks); | |
1690 | add_timer(&t->timer); | |
1691 | } | |
1692 | ||
55182a10 RV |
1693 | /* |
1694 | * return true if timer successfully deleted, false if still pending | |
1695 | * | |
1696 | * precondition: perimeter lock has been acquired | |
1697 | */ | |
44bb83af | 1698 | bool wl_del_timer(struct wl_info *wl, struct wl_timer *t) |
a9533e7e HP |
1699 | { |
1700 | if (t->set) { | |
0965ae88 | 1701 | t->set = false; |
a9533e7e | 1702 | if (!del_timer(&t->timer)) { |
0965ae88 | 1703 | return false; |
a9533e7e HP |
1704 | } |
1705 | atomic_dec(&wl->callbacks); | |
1706 | } | |
1707 | ||
0f0881b0 | 1708 | return true; |
a9533e7e HP |
1709 | } |
1710 | ||
55182a10 RV |
1711 | /* |
1712 | * precondition: perimeter lock has been acquired | |
1713 | */ | |
44bb83af | 1714 | void wl_free_timer(struct wl_info *wl, struct wl_timer *t) |
a9533e7e | 1715 | { |
44bb83af | 1716 | struct wl_timer *tmp; |
a9533e7e HP |
1717 | |
1718 | /* delete the timer in case it is active */ | |
1719 | wl_del_timer(wl, t); | |
1720 | ||
1721 | if (wl->timers == t) { | |
1722 | wl->timers = wl->timers->next; | |
1723 | #ifdef BCMDBG | |
1724 | if (t->name) | |
182acb3c | 1725 | kfree(t->name); |
a9533e7e | 1726 | #endif |
182acb3c | 1727 | kfree(t); |
a9533e7e HP |
1728 | return; |
1729 | ||
1730 | } | |
1731 | ||
1732 | tmp = wl->timers; | |
1733 | while (tmp) { | |
1734 | if (tmp->next == t) { | |
1735 | tmp->next = t->next; | |
1736 | #ifdef BCMDBG | |
1737 | if (t->name) | |
182acb3c | 1738 | kfree(t->name); |
a9533e7e | 1739 | #endif |
182acb3c | 1740 | kfree(t); |
a9533e7e HP |
1741 | return; |
1742 | } | |
1743 | tmp = tmp->next; | |
1744 | } | |
1745 | ||
1746 | } | |
1747 | ||
55182a10 RV |
1748 | /* |
1749 | * runs in software irq context | |
1750 | * | |
1751 | * precondition: perimeter lock is not acquired | |
1752 | */ | |
a9533e7e HP |
1753 | static int wl_linux_watchdog(void *ctx) |
1754 | { | |
2cb22a7a | 1755 | struct wl_info *wl = (struct wl_info *) ctx; |
e4cf544e | 1756 | struct wl_cnt *cnt; |
a9533e7e HP |
1757 | struct net_device_stats *stats = NULL; |
1758 | uint id; | |
1759 | /* refresh stats */ | |
1760 | if (wl->pub->up) { | |
1761 | ASSERT(wl->stats_id < 2); | |
1762 | ||
e4cf544e | 1763 | cnt = wl->pub->_cnt; |
a9533e7e | 1764 | id = 1 - wl->stats_id; |
a9533e7e | 1765 | stats = &wl->stats_watchdog[id]; |
e4cf544e AS |
1766 | stats->rx_packets = cnt->rxframe; |
1767 | stats->tx_packets = cnt->txframe; | |
1768 | stats->rx_bytes = cnt->rxbyte; | |
1769 | stats->tx_bytes = cnt->txbyte; | |
1770 | stats->rx_errors = cnt->rxerror; | |
1771 | stats->tx_errors = cnt->txerror; | |
a9533e7e HP |
1772 | stats->collisions = 0; |
1773 | ||
1774 | stats->rx_length_errors = 0; | |
e4cf544e AS |
1775 | stats->rx_over_errors = cnt->rxoflo; |
1776 | stats->rx_crc_errors = cnt->rxcrc; | |
a9533e7e | 1777 | stats->rx_frame_errors = 0; |
e4cf544e | 1778 | stats->rx_fifo_errors = cnt->rxoflo; |
a9533e7e HP |
1779 | stats->rx_missed_errors = 0; |
1780 | ||
e4cf544e | 1781 | stats->tx_fifo_errors = cnt->txuflo; |
a9533e7e HP |
1782 | |
1783 | wl->stats_id = id; | |
a9533e7e HP |
1784 | } |
1785 | ||
1786 | return 0; | |
1787 | } | |
1788 | ||
1789 | struct wl_fw_hdr { | |
66cbd3ab GKH |
1790 | u32 offset; |
1791 | u32 len; | |
1792 | u32 idx; | |
a9533e7e HP |
1793 | }; |
1794 | ||
a9533e7e HP |
1795 | char *wl_firmwares[WL_MAX_FW] = { |
1796 | "brcm/bcm43xx", | |
1797 | NULL | |
1798 | }; | |
1799 | ||
55182a10 RV |
1800 | /* |
1801 | * precondition: perimeter lock has been acquired | |
1802 | */ | |
2cb22a7a | 1803 | int wl_ucode_init_buf(struct wl_info *wl, void **pbuf, u32 idx) |
a9533e7e HP |
1804 | { |
1805 | int i, entry; | |
41feb5ed | 1806 | const u8 *pdata; |
a9533e7e HP |
1807 | struct wl_fw_hdr *hdr; |
1808 | for (i = 0; i < wl->fw.fw_cnt; i++) { | |
1809 | hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data; | |
1810 | for (entry = 0; entry < wl->fw.hdr_num_entries[i]; | |
1811 | entry++, hdr++) { | |
1812 | if (hdr->idx == idx) { | |
1813 | pdata = wl->fw.fw_bin[i]->data + hdr->offset; | |
1814 | *pbuf = kmalloc(hdr->len, GFP_ATOMIC); | |
1815 | if (*pbuf == NULL) { | |
0bef7748 AS |
1816 | WL_ERROR("fail to alloc %d bytes\n", |
1817 | hdr->len); | |
8746e2ba | 1818 | goto fail; |
a9533e7e | 1819 | } |
02160695 | 1820 | memcpy(*pbuf, pdata, hdr->len); |
a9533e7e HP |
1821 | return 0; |
1822 | } | |
1823 | } | |
1824 | } | |
0bef7748 | 1825 | WL_ERROR("ERROR: ucode buf tag:%d can not be found!\n", idx); |
a9533e7e | 1826 | *pbuf = NULL; |
8746e2ba | 1827 | fail: |
7249e6a1 | 1828 | return BCME_NOTFOUND; |
a9533e7e HP |
1829 | } |
1830 | ||
55182a10 RV |
1831 | /* |
1832 | * Precondition: Since this function is called in wl_pci_probe() context, | |
1833 | * no locking is required. | |
1834 | */ | |
2cb22a7a | 1835 | int wl_ucode_init_uint(struct wl_info *wl, u32 *data, u32 idx) |
a9533e7e HP |
1836 | { |
1837 | int i, entry; | |
41feb5ed | 1838 | const u8 *pdata; |
a9533e7e HP |
1839 | struct wl_fw_hdr *hdr; |
1840 | for (i = 0; i < wl->fw.fw_cnt; i++) { | |
1841 | hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data; | |
1842 | for (entry = 0; entry < wl->fw.hdr_num_entries[i]; | |
1843 | entry++, hdr++) { | |
1844 | if (hdr->idx == idx) { | |
1845 | pdata = wl->fw.fw_bin[i]->data + hdr->offset; | |
1846 | ASSERT(hdr->len == 4); | |
66cbd3ab | 1847 | *data = *((u32 *) pdata); |
a9533e7e HP |
1848 | return 0; |
1849 | } | |
1850 | } | |
1851 | } | |
0bef7748 | 1852 | WL_ERROR("ERROR: ucode tag:%d can not be found!\n", idx); |
a9533e7e HP |
1853 | return -1; |
1854 | } | |
a9533e7e | 1855 | |
55182a10 RV |
1856 | /* |
1857 | * Precondition: Since this function is called in wl_pci_probe() context, | |
1858 | * no locking is required. | |
1859 | */ | |
2cb22a7a | 1860 | static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev) |
a9533e7e HP |
1861 | { |
1862 | int status; | |
1863 | struct device *device = &pdev->dev; | |
1864 | char fw_name[100]; | |
1865 | int i; | |
1866 | ||
9249ede9 | 1867 | memset((void *)&wl->fw, 0, sizeof(struct wl_firmware)); |
a9533e7e HP |
1868 | for (i = 0; i < WL_MAX_FW; i++) { |
1869 | if (wl_firmwares[i] == NULL) | |
1870 | break; | |
1871 | sprintf(fw_name, "%s-%d.fw", wl_firmwares[i], | |
1872 | UCODE_LOADER_API_VER); | |
f4528696 | 1873 | WL_NONE("request fw %s\n", fw_name); |
a9533e7e HP |
1874 | status = request_firmware(&wl->fw.fw_bin[i], fw_name, device); |
1875 | if (status) { | |
0bef7748 AS |
1876 | WL_ERROR("%s: fail to load firmware %s\n", |
1877 | KBUILD_MODNAME, fw_name); | |
a9533e7e HP |
1878 | return status; |
1879 | } | |
f4528696 | 1880 | WL_NONE("request fw %s\n", fw_name); |
a9533e7e HP |
1881 | sprintf(fw_name, "%s_hdr-%d.fw", wl_firmwares[i], |
1882 | UCODE_LOADER_API_VER); | |
1883 | status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device); | |
1884 | if (status) { | |
0bef7748 AS |
1885 | WL_ERROR("%s: fail to load firmware %s\n", |
1886 | KBUILD_MODNAME, fw_name); | |
a9533e7e HP |
1887 | return status; |
1888 | } | |
1889 | wl->fw.hdr_num_entries[i] = | |
1890 | wl->fw.fw_hdr[i]->size / (sizeof(struct wl_fw_hdr)); | |
f4528696 JP |
1891 | WL_NONE("request fw %s find: %d entries\n", |
1892 | fw_name, wl->fw.hdr_num_entries[i]); | |
a9533e7e HP |
1893 | } |
1894 | wl->fw.fw_cnt = i; | |
3d44661a | 1895 | return wl_ucode_data_init(wl); |
a9533e7e HP |
1896 | } |
1897 | ||
55182a10 RV |
1898 | /* |
1899 | * precondition: can both be called locked and unlocked | |
1900 | */ | |
a9533e7e HP |
1901 | void wl_ucode_free_buf(void *p) |
1902 | { | |
1903 | kfree(p); | |
1904 | } | |
a9533e7e | 1905 | |
55182a10 RV |
1906 | /* |
1907 | * Precondition: Since this function is called in wl_pci_probe() context, | |
1908 | * no locking is required. | |
1909 | */ | |
2cb22a7a | 1910 | static void wl_release_fw(struct wl_info *wl) |
a9533e7e HP |
1911 | { |
1912 | int i; | |
eb4764c3 | 1913 | for (i = 0; i < WL_MAX_FW; i++) { |
a9533e7e HP |
1914 | release_firmware(wl->fw.fw_bin[i]); |
1915 | release_firmware(wl->fw.fw_hdr[i]); | |
1916 | } | |
1917 | } | |
3d44661a RV |
1918 | |
1919 | ||
1920 | /* | |
1921 | * checks validity of all firmware images loaded from user space | |
55182a10 RV |
1922 | * |
1923 | * Precondition: Since this function is called in wl_pci_probe() context, | |
1924 | * no locking is required. | |
3d44661a RV |
1925 | */ |
1926 | int wl_check_firmwares(struct wl_info *wl) | |
1927 | { | |
1928 | int i; | |
1929 | int entry; | |
1930 | int rc = 0; | |
1931 | const struct firmware *fw; | |
1932 | const struct firmware *fw_hdr; | |
1933 | struct wl_fw_hdr *ucode_hdr; | |
1934 | for (i = 0; i < WL_MAX_FW && rc == 0; i++) { | |
1935 | fw = wl->fw.fw_bin[i]; | |
1936 | fw_hdr = wl->fw.fw_hdr[i]; | |
1937 | if (fw == NULL && fw_hdr == NULL) { | |
1938 | break; | |
1939 | } else if (fw == NULL || fw_hdr == NULL) { | |
f4528696 | 1940 | WL_ERROR("%s: invalid bin/hdr fw\n", __func__); |
3d44661a RV |
1941 | rc = -EBADF; |
1942 | } else if (fw_hdr->size % sizeof(struct wl_fw_hdr)) { | |
70de655c | 1943 | WL_ERROR("%s: non integral fw hdr file size %zu/%zu\n", |
f4528696 JP |
1944 | __func__, fw_hdr->size, |
1945 | sizeof(struct wl_fw_hdr)); | |
3d44661a RV |
1946 | rc = -EBADF; |
1947 | } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) { | |
70de655c | 1948 | WL_ERROR("%s: out of bounds fw file size %zu\n", |
f4528696 | 1949 | __func__, fw->size); |
3d44661a RV |
1950 | rc = -EBADF; |
1951 | } else { | |
1952 | /* check if ucode section overruns firmware image */ | |
1953 | ucode_hdr = (struct wl_fw_hdr *)fw_hdr->data; | |
7249e6a1 RV |
1954 | for (entry = 0; entry < wl->fw.hdr_num_entries[i] && |
1955 | !rc; entry++, ucode_hdr++) { | |
3d44661a RV |
1956 | if (ucode_hdr->offset + ucode_hdr->len > |
1957 | fw->size) { | |
f4528696 JP |
1958 | WL_ERROR("%s: conflicting bin/hdr\n", |
1959 | __func__); | |
3d44661a RV |
1960 | rc = -EBADF; |
1961 | } | |
1962 | } | |
1963 | } | |
1964 | } | |
1965 | if (rc == 0 && wl->fw.fw_cnt != i) { | |
f4528696 | 1966 | WL_ERROR("%s: invalid fw_cnt=%d\n", __func__, wl->fw.fw_cnt); |
3d44661a RV |
1967 | rc = -EBADF; |
1968 | } | |
1969 | return rc; | |
1970 | } | |
1971 | ||
55182a10 RV |
1972 | /* |
1973 | * precondition: perimeter lock has been acquired | |
1974 | */ | |
5abb04a6 AS |
1975 | bool wl_rfkill_set_hw_state(struct wl_info *wl) |
1976 | { | |
1977 | bool blocked = wlc_check_radio_disabled(wl->wlc); | |
1978 | ||
4a079150 AS |
1979 | WL_NONE("%s: update hw state: blocked=%s\n", __func__, |
1980 | blocked ? "true" : "false"); | |
e34870f8 | 1981 | WL_UNLOCK(wl); |
5abb04a6 AS |
1982 | wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked); |
1983 | if (blocked) | |
1984 | wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy); | |
e34870f8 | 1985 | WL_LOCK(wl); |
5abb04a6 AS |
1986 | return blocked; |
1987 | } |