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 AS |
28 | |
29 | #include <proto/802.1d.h> | |
30 | #include <bcmdefs.h> | |
31 | #include <osl.h> | |
a9533e7e HP |
32 | #include <bcmutils.h> |
33 | #include <pcicfg.h> | |
34 | #include <wlioctl.h> | |
a52ba66c | 35 | #include <sbhnddma.h> |
a9533e7e | 36 | |
45575664 AS |
37 | #include "wlc_cfg.h" |
38 | #include "phy/phy_version.h" | |
39 | #include "wlc_key.h" | |
40 | #include "sbhndpio.h" | |
41 | #include "phy/wlc_phy_hal.h" | |
42 | #include "wlc_channel.h" | |
43 | #include "wlc_scb.h" | |
44 | #include "wlc_pub.h" | |
45 | #include "wl_dbg.h" | |
46 | #include "wl_export.h" | |
47 | #include "wl_ucode.h" | |
48 | #include "d11ucode_ext.h" | |
49 | #include "wl_mac80211.h" | |
a9533e7e | 50 | |
3deea904 | 51 | static void wl_timer(unsigned long data); |
7cc4a4c0 | 52 | static void _wl_timer(wl_timer_t *t); |
a9533e7e | 53 | |
a9533e7e HP |
54 | |
55 | static int ieee_hw_init(struct ieee80211_hw *hw); | |
56 | static int ieee_hw_rate_init(struct ieee80211_hw *hw); | |
57 | ||
58 | static int wl_linux_watchdog(void *ctx); | |
59 | ||
60 | /* Flags we support */ | |
61 | #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \ | |
62 | FIF_ALLMULTI | \ | |
63 | FIF_FCSFAIL | \ | |
64 | FIF_PLCPFAIL | \ | |
65 | FIF_CONTROL | \ | |
66 | FIF_OTHER_BSS | \ | |
67 | FIF_BCN_PRBRESP_PROMISC) | |
68 | ||
7e85c729 | 69 | static int wl_found; |
a9533e7e | 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 */ | |
2cb22a7a RV |
77 | static int wl_start(struct sk_buff *skb, struct wl_info *wl); |
78 | static int wl_start_int(struct wl_info *wl, struct ieee80211_hw *hw, | |
a9533e7e | 79 | struct sk_buff *skb); |
3deea904 | 80 | static void wl_dpc(unsigned long data); |
62b54dca AS |
81 | static irqreturn_t wl_isr(int irq, void *dev_id); |
82 | ||
83 | static int __devinit wl_pci_probe(struct pci_dev *pdev, | |
84 | const struct pci_device_id *ent); | |
85 | static void wl_remove(struct pci_dev *pdev); | |
86 | static void wl_free(struct wl_info *wl); | |
a9533e7e HP |
87 | |
88 | MODULE_AUTHOR("Broadcom Corporation"); | |
89 | MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver."); | |
90 | MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards"); | |
91 | MODULE_LICENSE("Dual BSD/GPL"); | |
92 | ||
a9533e7e HP |
93 | /* recognized PCI IDs */ |
94 | static struct pci_device_id wl_id_table[] = { | |
95 | {PCI_VENDOR_ID_BROADCOM, 0x4357, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43225 2G */ | |
96 | {PCI_VENDOR_ID_BROADCOM, 0x4353, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43224 DUAL */ | |
97 | {PCI_VENDOR_ID_BROADCOM, 0x4727, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 4313 DUAL */ | |
98 | {0} | |
99 | }; | |
100 | ||
101 | MODULE_DEVICE_TABLE(pci, wl_id_table); | |
a9533e7e HP |
102 | |
103 | #ifdef BCMDBG | |
104 | static int msglevel = 0xdeadbeef; | |
105 | module_param(msglevel, int, 0); | |
a9533e7e HP |
106 | static int phymsglevel = 0xdeadbeef; |
107 | module_param(phymsglevel, int, 0); | |
a9533e7e HP |
108 | #endif /* BCMDBG */ |
109 | ||
0d706ef4 JC |
110 | #define HW_TO_WL(hw) (hw->priv) |
111 | #define WL_TO_HW(wl) (wl->pub->ieee_hw) | |
62b54dca AS |
112 | |
113 | /* MAC80211 callback functions */ | |
a9533e7e | 114 | static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb); |
a9533e7e HP |
115 | static int wl_ops_start(struct ieee80211_hw *hw); |
116 | static void wl_ops_stop(struct ieee80211_hw *hw); | |
117 | static int wl_ops_add_interface(struct ieee80211_hw *hw, | |
118 | struct ieee80211_vif *vif); | |
119 | static void wl_ops_remove_interface(struct ieee80211_hw *hw, | |
120 | struct ieee80211_vif *vif); | |
121 | static int wl_ops_config(struct ieee80211_hw *hw, u32 changed); | |
122 | static void wl_ops_bss_info_changed(struct ieee80211_hw *hw, | |
123 | struct ieee80211_vif *vif, | |
124 | struct ieee80211_bss_conf *info, | |
125 | u32 changed); | |
126 | static void wl_ops_configure_filter(struct ieee80211_hw *hw, | |
127 | unsigned int changed_flags, | |
128 | unsigned int *total_flags, u64 multicast); | |
129 | static int wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, | |
130 | bool set); | |
131 | static void wl_ops_sw_scan_start(struct ieee80211_hw *hw); | |
132 | static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw); | |
133 | static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf); | |
134 | static int wl_ops_get_stats(struct ieee80211_hw *hw, | |
135 | struct ieee80211_low_level_stats *stats); | |
136 | static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value); | |
137 | static void wl_ops_sta_notify(struct ieee80211_hw *hw, | |
138 | struct ieee80211_vif *vif, | |
139 | enum sta_notify_cmd cmd, | |
140 | struct ieee80211_sta *sta); | |
141 | static int wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
142 | const struct ieee80211_tx_queue_params *params); | |
143 | static u64 wl_ops_get_tsf(struct ieee80211_hw *hw); | |
3646dd97 | 144 | static int wl_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
a9533e7e | 145 | struct ieee80211_sta *sta); |
3646dd97 | 146 | static int wl_ops_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
a9533e7e | 147 | struct ieee80211_sta *sta); |
3646dd97 AS |
148 | static int wl_ops_ampdu_action(struct ieee80211_hw *hw, |
149 | struct ieee80211_vif *vif, | |
150 | enum ieee80211_ampdu_mlme_action action, | |
151 | struct ieee80211_sta *sta, u16 tid, u16 *ssn); | |
5abb04a6 | 152 | static void wl_ops_rfkill_poll(struct ieee80211_hw *hw); |
a9533e7e | 153 | |
a9533e7e HP |
154 | static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
155 | { | |
156 | int status; | |
2cb22a7a | 157 | struct wl_info *wl = hw->priv; |
4a079150 | 158 | |
a9533e7e HP |
159 | WL_LOCK(wl); |
160 | if (!wl->pub->up) { | |
f4528696 | 161 | WL_ERROR("ops->tx called while down\n"); |
a9533e7e HP |
162 | status = -ENETDOWN; |
163 | goto done; | |
164 | } | |
165 | status = wl_start(skb, wl); | |
166 | done: | |
167 | WL_UNLOCK(wl); | |
168 | return status; | |
169 | } | |
a9533e7e HP |
170 | |
171 | static int wl_ops_start(struct ieee80211_hw *hw) | |
172 | { | |
2cb22a7a | 173 | struct wl_info *wl = hw->priv; |
5abb04a6 | 174 | bool blocked; |
f4528696 JP |
175 | /* |
176 | struct ieee80211_channel *curchan = hw->conf.channel; | |
177 | WL_NONE("%s : Initial channel: %d\n", __func__, curchan->hw_value); | |
178 | */ | |
a9533e7e | 179 | |
a9533e7e | 180 | ieee80211_wake_queues(hw); |
2d57aa7b | 181 | WL_LOCK(wl); |
5abb04a6 | 182 | blocked = wl_rfkill_set_hw_state(wl); |
2d57aa7b | 183 | WL_UNLOCK(wl); |
5abb04a6 AS |
184 | if (!blocked) |
185 | wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy); | |
a9533e7e HP |
186 | |
187 | return 0; | |
188 | } | |
189 | ||
190 | static void wl_ops_stop(struct ieee80211_hw *hw) | |
191 | { | |
8d9e9d09 | 192 | #ifdef BRCMDBG |
2cb22a7a | 193 | struct wl_info *wl = hw->priv; |
a9533e7e | 194 | ASSERT(wl); |
8d9e9d09 | 195 | #endif /*BRCMDBG*/ |
a9533e7e | 196 | ieee80211_stop_queues(hw); |
a9533e7e HP |
197 | } |
198 | ||
199 | static int | |
200 | wl_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
201 | { | |
2cb22a7a | 202 | struct wl_info *wl; |
a9533e7e HP |
203 | int err; |
204 | ||
205 | /* Just STA for now */ | |
206 | if (vif->type != NL80211_IFTYPE_AP && | |
207 | vif->type != NL80211_IFTYPE_MESH_POINT && | |
208 | vif->type != NL80211_IFTYPE_STATION && | |
209 | vif->type != NL80211_IFTYPE_WDS && | |
210 | vif->type != NL80211_IFTYPE_ADHOC) { | |
f4528696 JP |
211 | WL_ERROR("%s: Attempt to add type %d, only STA for now\n", |
212 | __func__, vif->type); | |
a9533e7e HP |
213 | return -EOPNOTSUPP; |
214 | } | |
215 | ||
216 | wl = HW_TO_WL(hw); | |
217 | WL_LOCK(wl); | |
218 | err = wl_up(wl); | |
219 | WL_UNLOCK(wl); | |
220 | ||
5abb04a6 | 221 | if (err != 0) { |
f4528696 | 222 | WL_ERROR("%s: wl_up() returned %d\n", __func__, err); |
5abb04a6 | 223 | } |
a9533e7e HP |
224 | return err; |
225 | } | |
226 | ||
227 | static void | |
228 | wl_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
229 | { | |
4032ec63 AS |
230 | struct wl_info *wl; |
231 | ||
232 | wl = HW_TO_WL(hw); | |
233 | ||
234 | /* put driver in down state */ | |
235 | WL_LOCK(wl); | |
236 | wl_down(wl); | |
237 | WL_UNLOCK(wl); | |
a9533e7e HP |
238 | } |
239 | ||
55182a10 RV |
240 | /* |
241 | * precondition: perimeter lock has been acquired | |
242 | */ | |
a9533e7e HP |
243 | static int |
244 | ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan, | |
245 | enum nl80211_channel_type type) | |
246 | { | |
2cb22a7a | 247 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
248 | int err = 0; |
249 | ||
250 | switch (type) { | |
251 | case NL80211_CHAN_HT20: | |
252 | case NL80211_CHAN_NO_HT: | |
a9533e7e | 253 | err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value); |
a9533e7e HP |
254 | break; |
255 | case NL80211_CHAN_HT40MINUS: | |
256 | case NL80211_CHAN_HT40PLUS: | |
f4528696 | 257 | WL_ERROR("%s: Need to implement 40 Mhz Channels!\n", __func__); |
9d2c4156 | 258 | err = 1; |
a9533e7e HP |
259 | break; |
260 | } | |
261 | ||
262 | if (err) | |
263 | return -EIO; | |
264 | return err; | |
265 | } | |
266 | ||
267 | static int wl_ops_config(struct ieee80211_hw *hw, u32 changed) | |
268 | { | |
269 | struct ieee80211_conf *conf = &hw->conf; | |
2cb22a7a | 270 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
271 | int err = 0; |
272 | int new_int; | |
273 | ||
6a3be6e6 | 274 | WL_LOCK(wl); |
a9533e7e | 275 | if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { |
a9533e7e HP |
276 | if (wlc_iovar_setint |
277 | (wl->wlc, "bcn_li_bcn", conf->listen_interval)) { | |
f4528696 JP |
278 | WL_ERROR("%s: Error setting listen_interval\n", |
279 | __func__); | |
a9533e7e HP |
280 | err = -EIO; |
281 | goto config_out; | |
282 | } | |
283 | wlc_iovar_getint(wl->wlc, "bcn_li_bcn", &new_int); | |
284 | ASSERT(new_int == conf->listen_interval); | |
285 | } | |
286 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) | |
4a079150 AS |
287 | WL_ERROR("%s: change monitor mode: %s (implement)\n", __func__, |
288 | conf->flags & IEEE80211_CONF_MONITOR ? | |
289 | "true" : "false"); | |
a9533e7e | 290 | if (changed & IEEE80211_CONF_CHANGE_PS) |
4a079150 AS |
291 | WL_ERROR("%s: change power-save mode: %s (implement)\n", |
292 | __func__, conf->flags & IEEE80211_CONF_PS ? | |
293 | "true" : "false"); | |
a9533e7e HP |
294 | |
295 | if (changed & IEEE80211_CONF_CHANGE_POWER) { | |
a9533e7e HP |
296 | if (wlc_iovar_setint |
297 | (wl->wlc, "qtxpower", conf->power_level * 4)) { | |
f4528696 | 298 | WL_ERROR("%s: Error setting power_level\n", __func__); |
a9533e7e HP |
299 | err = -EIO; |
300 | goto config_out; | |
301 | } | |
302 | wlc_iovar_getint(wl->wlc, "qtxpower", &new_int); | |
303 | if (new_int != (conf->power_level * 4)) | |
f4528696 JP |
304 | WL_ERROR("%s: Power level req != actual, %d %d\n", |
305 | __func__, conf->power_level * 4, new_int); | |
a9533e7e HP |
306 | } |
307 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
308 | err = ieee_set_channel(hw, conf->channel, conf->channel_type); | |
309 | } | |
310 | if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { | |
a9533e7e HP |
311 | if (wlc_set |
312 | (wl->wlc, WLC_SET_SRL, | |
313 | conf->short_frame_max_tx_count) < 0) { | |
f4528696 | 314 | WL_ERROR("%s: Error setting srl\n", __func__); |
a9533e7e HP |
315 | err = -EIO; |
316 | goto config_out; | |
317 | } | |
318 | if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count) | |
319 | < 0) { | |
f4528696 | 320 | WL_ERROR("%s: Error setting lrl\n", __func__); |
a9533e7e HP |
321 | err = -EIO; |
322 | goto config_out; | |
323 | } | |
324 | } | |
325 | ||
326 | config_out: | |
6a3be6e6 | 327 | WL_UNLOCK(wl); |
a9533e7e HP |
328 | return err; |
329 | } | |
330 | ||
331 | static void | |
332 | wl_ops_bss_info_changed(struct ieee80211_hw *hw, | |
333 | struct ieee80211_vif *vif, | |
334 | struct ieee80211_bss_conf *info, u32 changed) | |
335 | { | |
2cb22a7a | 336 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
337 | int val; |
338 | ||
a9533e7e | 339 | if (changed & BSS_CHANGED_ASSOC) { |
a9533e7e HP |
340 | /* association status changed (associated/disassociated) |
341 | * also implies a change in the AID. | |
342 | */ | |
4a079150 AS |
343 | WL_ERROR("%s: %s: %sassociated\n", KBUILD_MODNAME, __func__, |
344 | info->assoc ? "" : "dis"); | |
d8a1fb44 | 345 | wlc_associate_upd(wl->wlc, info->assoc); |
a9533e7e HP |
346 | } |
347 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
a9533e7e | 348 | /* CTS protection changed */ |
4a079150 AS |
349 | WL_ERROR("%s: use_cts_prot: %s (implement)\n", __func__, |
350 | info->use_cts_prot ? "true" : "false"); | |
a9533e7e HP |
351 | } |
352 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
a9533e7e | 353 | /* preamble changed */ |
4a079150 AS |
354 | WL_ERROR("%s: short preamble: %s (implement)\n", __func__, |
355 | info->use_short_preamble ? "true" : "false"); | |
a9533e7e HP |
356 | } |
357 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
4a079150 | 358 | /* slot timing changed */ |
a9533e7e HP |
359 | if (info->use_short_slot) |
360 | val = 1; | |
361 | else | |
362 | val = 0; | |
2d57aa7b | 363 | WL_LOCK(wl); |
a9533e7e | 364 | wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val); |
2d57aa7b | 365 | WL_UNLOCK(wl); |
a9533e7e HP |
366 | } |
367 | ||
368 | if (changed & BSS_CHANGED_HT) { | |
a9533e7e | 369 | /* 802.11n parameters changed */ |
4a079150 | 370 | u16 mode = info->ht_operation_mode; |
e0caf150 AS |
371 | WL_NONE("%s: HT mode: 0x%04X\n", __func__, mode); |
372 | wlc_protection_upd(wl->wlc, WLC_PROT_N_CFG, | |
373 | mode & IEEE80211_HT_OP_MODE_PROTECTION); | |
374 | wlc_protection_upd(wl->wlc, WLC_PROT_N_NONGF, | |
375 | mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); | |
376 | wlc_protection_upd(wl->wlc, WLC_PROT_N_OBSS, | |
377 | mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT); | |
a9533e7e HP |
378 | } |
379 | if (changed & BSS_CHANGED_BASIC_RATES) { | |
a9533e7e | 380 | /* Basic rateset changed */ |
4a079150 AS |
381 | WL_ERROR("%s: Need to change Basic Rates: 0x%x (implement)\n", |
382 | __func__, (u32) info->basic_rates); | |
a9533e7e HP |
383 | } |
384 | if (changed & BSS_CHANGED_BEACON_INT) { | |
a9533e7e | 385 | /* Beacon interval changed */ |
c234656f | 386 | WL_NONE("%s: Beacon Interval: %d\n", |
4a079150 | 387 | __func__, info->beacon_int); |
c234656f | 388 | wlc_set(wl->wlc, WLC_SET_BCNPRD, info->beacon_int); |
a9533e7e HP |
389 | } |
390 | if (changed & BSS_CHANGED_BSSID) { | |
4a079150 | 391 | /* BSSID changed, for whatever reason (IBSS and managed mode) */ |
4191e2d5 | 392 | WL_NONE("%s: new BSSID: aid %d bss:%pM\n", __func__, |
f4528696 | 393 | info->aid, info->bssid); |
2d57aa7b | 394 | WL_LOCK(wl); |
a9533e7e | 395 | wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, |
a44d4236 | 396 | info->bssid); |
2d57aa7b | 397 | WL_UNLOCK(wl); |
a9533e7e HP |
398 | } |
399 | if (changed & BSS_CHANGED_BEACON) { | |
a9533e7e | 400 | /* Beacon data changed, retrieve new beacon (beaconing modes) */ |
4191e2d5 | 401 | WL_ERROR("%s: beacon changed\n", __func__); |
a9533e7e HP |
402 | } |
403 | if (changed & BSS_CHANGED_BEACON_ENABLED) { | |
a9533e7e | 404 | /* Beaconing should be enabled/disabled (beaconing modes) */ |
4191e2d5 | 405 | WL_ERROR("%s: Beacon enabled: %s\n", __func__, |
4a079150 | 406 | info->enable_beacon ? "true" : "false"); |
a9533e7e | 407 | } |
4191e2d5 AS |
408 | if (changed & BSS_CHANGED_CQM) { |
409 | /* Connection quality monitor config changed */ | |
410 | WL_ERROR("%s: cqm change: threshold %d, hys %d (implement)\n", | |
411 | __func__, info->cqm_rssi_thold, info->cqm_rssi_hyst); | |
412 | } | |
413 | if (changed & BSS_CHANGED_IBSS) { | |
414 | /* IBSS join status changed */ | |
415 | WL_ERROR("%s: IBSS joined: %s (implement)\n", __func__, | |
416 | info->ibss_joined ? "true" : "false"); | |
417 | } | |
418 | if (changed & BSS_CHANGED_ARP_FILTER) { | |
419 | /* Hardware ARP filter address list or state changed */ | |
420 | WL_ERROR("%s: arp filtering: enabled %s, count %d (implement)\n", | |
421 | __func__, info->arp_filter_enabled ? "true" : "false", | |
422 | info->arp_addr_cnt); | |
423 | } | |
424 | if (changed & BSS_CHANGED_QOS) { | |
425 | /* | |
426 | * QoS for this association was enabled/disabled. | |
427 | * Note that it is only ever disabled for station mode. | |
428 | */ | |
429 | WL_ERROR("%s: qos enabled: %s (implement)\n", __func__, | |
430 | info->qos ? "true" : "false"); | |
431 | } | |
432 | if (changed & BSS_CHANGED_IDLE) { | |
433 | /* Idle changed for this BSS/interface */ | |
434 | WL_ERROR("%s: BSS idle: %s (implement)\n", __func__, | |
435 | info->idle ? "true" : "false"); | |
436 | } | |
a9533e7e HP |
437 | return; |
438 | } | |
439 | ||
440 | static void | |
441 | wl_ops_configure_filter(struct ieee80211_hw *hw, | |
442 | unsigned int changed_flags, | |
443 | unsigned int *total_flags, u64 multicast) | |
444 | { | |
2cb22a7a | 445 | struct wl_info *wl = hw->priv; |
a9533e7e HP |
446 | |
447 | changed_flags &= MAC_FILTERS; | |
448 | *total_flags &= MAC_FILTERS; | |
449 | if (changed_flags & FIF_PROMISC_IN_BSS) | |
f4528696 | 450 | WL_ERROR("FIF_PROMISC_IN_BSS\n"); |
a9533e7e | 451 | if (changed_flags & FIF_ALLMULTI) |
f4528696 | 452 | WL_ERROR("FIF_ALLMULTI\n"); |
a9533e7e | 453 | if (changed_flags & FIF_FCSFAIL) |
f4528696 | 454 | WL_ERROR("FIF_FCSFAIL\n"); |
a9533e7e | 455 | if (changed_flags & FIF_PLCPFAIL) |
f4528696 | 456 | WL_ERROR("FIF_PLCPFAIL\n"); |
a9533e7e | 457 | if (changed_flags & FIF_CONTROL) |
f4528696 | 458 | WL_ERROR("FIF_CONTROL\n"); |
a9533e7e | 459 | if (changed_flags & FIF_OTHER_BSS) |
f4528696 | 460 | WL_ERROR("FIF_OTHER_BSS\n"); |
a9533e7e | 461 | if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { |
f4528696 | 462 | WL_NONE("FIF_BCN_PRBRESP_PROMISC\n"); |
a9533e7e HP |
463 | WL_LOCK(wl); |
464 | if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { | |
465 | wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS; | |
466 | wlc_mac_bcn_promisc_change(wl->wlc, 1); | |
467 | } else { | |
468 | wlc_mac_bcn_promisc_change(wl->wlc, 0); | |
469 | wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS; | |
470 | } | |
471 | WL_UNLOCK(wl); | |
a9533e7e HP |
472 | } |
473 | return; | |
474 | } | |
475 | ||
476 | static int | |
477 | wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set) | |
478 | { | |
4a079150 | 479 | WL_NONE("%s: Enter\n", __func__); |
a9533e7e HP |
480 | return 0; |
481 | } | |
482 | ||
483 | static void wl_ops_sw_scan_start(struct ieee80211_hw *hw) | |
484 | { | |
6a3be6e6 | 485 | struct wl_info *wl = hw->priv; |
f4528696 | 486 | WL_NONE("Scan Start\n"); |
6a3be6e6 RV |
487 | WL_LOCK(wl); |
488 | wlc_scan_start(wl->wlc); | |
489 | WL_UNLOCK(wl); | |
a9533e7e HP |
490 | return; |
491 | } | |
492 | ||
493 | static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw) | |
494 | { | |
6a3be6e6 | 495 | struct wl_info *wl = hw->priv; |
f4528696 | 496 | WL_NONE("Scan Complete\n"); |
6a3be6e6 RV |
497 | WL_LOCK(wl); |
498 | wlc_scan_stop(wl->wlc); | |
499 | WL_UNLOCK(wl); | |
a9533e7e HP |
500 | return; |
501 | } | |
502 | ||
503 | static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf) | |
504 | { | |
f4528696 | 505 | WL_ERROR("%s: Enter\n", __func__); |
a9533e7e HP |
506 | return; |
507 | } | |
508 | ||
509 | static int | |
510 | wl_ops_get_stats(struct ieee80211_hw *hw, | |
511 | struct ieee80211_low_level_stats *stats) | |
512 | { | |
e4cf544e AS |
513 | struct wl_info *wl = hw->priv; |
514 | struct wl_cnt *cnt; | |
515 | ||
516 | WL_LOCK(wl); | |
517 | cnt = wl->pub->_cnt; | |
518 | stats->dot11ACKFailureCount = cnt->txnoack; | |
519 | stats->dot11RTSFailureCount = cnt->txnocts; | |
520 | stats->dot11FCSErrorCount = cnt->rxcrc; | |
521 | stats->dot11RTSSuccessCount = cnt->txrts; | |
522 | WL_UNLOCK(wl); | |
a9533e7e HP |
523 | return 0; |
524 | } | |
525 | ||
526 | static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
527 | { | |
fd821d1e AS |
528 | struct wl_info *wl = hw->priv; |
529 | ||
530 | WL_LOCK(wl); | |
531 | wlc_iovar_setint(wl->wlc, "rtsthresh", value & 0xFFFF); | |
532 | WL_UNLOCK(wl); | |
a9533e7e HP |
533 | return 0; |
534 | } | |
535 | ||
536 | static void | |
537 | wl_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
538 | enum sta_notify_cmd cmd, struct ieee80211_sta *sta) | |
539 | { | |
f4528696 | 540 | WL_NONE("%s: Enter\n", __func__); |
a9533e7e HP |
541 | switch (cmd) { |
542 | default: | |
f4528696 | 543 | WL_ERROR("%s: Unknown cmd = %d\n", __func__, cmd); |
a9533e7e HP |
544 | break; |
545 | } | |
546 | return; | |
547 | } | |
548 | ||
549 | static int | |
550 | wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue, | |
551 | const struct ieee80211_tx_queue_params *params) | |
552 | { | |
2cb22a7a | 553 | struct wl_info *wl = hw->priv; |
a9533e7e | 554 | |
f4528696 JP |
555 | WL_NONE("%s: Enter (WME config)\n", __func__); |
556 | WL_NONE("queue %d, txop %d, cwmin %d, cwmax %d, aifs %d\n", queue, | |
557 | params->txop, params->cw_min, params->cw_max, params->aifs); | |
a9533e7e HP |
558 | |
559 | WL_LOCK(wl); | |
0f0881b0 | 560 | wlc_wme_setparams(wl->wlc, queue, (void *)params, true); |
a9533e7e HP |
561 | WL_UNLOCK(wl); |
562 | ||
563 | return 0; | |
564 | } | |
565 | ||
566 | static u64 wl_ops_get_tsf(struct ieee80211_hw *hw) | |
567 | { | |
f4528696 | 568 | WL_ERROR("%s: Enter\n", __func__); |
a9533e7e HP |
569 | return 0; |
570 | } | |
571 | ||
572 | static int | |
3646dd97 AS |
573 | wl_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
574 | struct ieee80211_sta *sta) | |
a9533e7e HP |
575 | { |
576 | struct scb *scb; | |
577 | ||
578 | int i; | |
2cb22a7a | 579 | struct wl_info *wl = hw->priv; |
a9533e7e HP |
580 | |
581 | /* Init the scb */ | |
582 | scb = (struct scb *)sta->drv_priv; | |
9249ede9 | 583 | memset(scb, 0, sizeof(struct scb)); |
a9533e7e HP |
584 | for (i = 0; i < NUMPRIO; i++) |
585 | scb->seqctl[i] = 0xFFFF; | |
586 | scb->seqctl_nonqos = 0xFFFF; | |
587 | scb->magic = SCB_MAGIC; | |
588 | ||
589 | wl->pub->global_scb = scb; | |
590 | wl->pub->global_ampdu = &(scb->scb_ampdu); | |
591 | wl->pub->global_ampdu->scb = scb; | |
a9533e7e | 592 | wl->pub->global_ampdu->max_pdu = 16; |
a9533e7e HP |
593 | pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID, |
594 | AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT); | |
595 | ||
0f0881b0 | 596 | sta->ht_cap.ht_supported = true; |
a9533e7e | 597 | sta->ht_cap.ampdu_factor = AMPDU_RX_FACTOR_64K; |
a9533e7e HP |
598 | sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY; |
599 | sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD | | |
600 | IEEE80211_HT_CAP_SGI_20 | | |
601 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT; | |
602 | ||
603 | /* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */ | |
604 | return 0; | |
605 | } | |
606 | ||
607 | static int | |
3646dd97 AS |
608 | wl_ops_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
609 | struct ieee80211_sta *sta) | |
a9533e7e | 610 | { |
f4528696 | 611 | WL_NONE("%s: Enter\n", __func__); |
a9533e7e HP |
612 | return 0; |
613 | } | |
614 | ||
615 | static int | |
3646dd97 AS |
616 | wl_ops_ampdu_action(struct ieee80211_hw *hw, |
617 | struct ieee80211_vif *vif, | |
618 | enum ieee80211_ampdu_mlme_action action, | |
619 | struct ieee80211_sta *sta, u16 tid, u16 *ssn) | |
a9533e7e HP |
620 | { |
621 | #if defined(BCMDBG) | |
622 | struct scb *scb = (struct scb *)sta->drv_priv; | |
623 | #endif | |
2cb22a7a | 624 | struct wl_info *wl = hw->priv; |
2d57aa7b | 625 | int status; |
a9533e7e HP |
626 | |
627 | ASSERT(scb->magic == SCB_MAGIC); | |
628 | switch (action) { | |
629 | case IEEE80211_AMPDU_RX_START: | |
f4528696 | 630 | WL_NONE("%s: action = IEEE80211_AMPDU_RX_START\n", __func__); |
a9533e7e HP |
631 | break; |
632 | case IEEE80211_AMPDU_RX_STOP: | |
f4528696 | 633 | WL_NONE("%s: action = IEEE80211_AMPDU_RX_STOP\n", __func__); |
a9533e7e HP |
634 | break; |
635 | case IEEE80211_AMPDU_TX_START: | |
2d57aa7b RV |
636 | WL_LOCK(wl); |
637 | status = wlc_aggregatable(wl->wlc, tid); | |
638 | WL_UNLOCK(wl); | |
639 | if (!status) { | |
f4528696 | 640 | /* WL_ERROR("START: tid %d is not agg' able, return FAILURE to stack\n", tid); */ |
a9533e7e HP |
641 | return -1; |
642 | } | |
643 | /* XXX: Use the starting sequence number provided ... */ | |
644 | *ssn = 0; | |
645 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
646 | break; | |
647 | ||
648 | case IEEE80211_AMPDU_TX_STOP: | |
649 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
650 | break; | |
651 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
652 | /* Not sure what to do here */ | |
653 | /* Power save wakeup */ | |
f4528696 JP |
654 | WL_NONE("%s: action = IEEE80211_AMPDU_TX_OPERATIONAL\n", |
655 | __func__); | |
a9533e7e HP |
656 | break; |
657 | default: | |
f4528696 | 658 | WL_ERROR("%s: Invalid command, ignoring\n", __func__); |
a9533e7e HP |
659 | } |
660 | ||
661 | return 0; | |
662 | } | |
663 | ||
5abb04a6 AS |
664 | static void wl_ops_rfkill_poll(struct ieee80211_hw *hw) |
665 | { | |
666 | struct wl_info *wl = HW_TO_WL(hw); | |
667 | bool blocked; | |
668 | ||
669 | WL_LOCK(wl); | |
670 | blocked = wlc_check_radio_disabled(wl->wlc); | |
671 | WL_UNLOCK(wl); | |
672 | ||
4a079150 | 673 | WL_NONE("wl: rfkill_poll: %d\n", blocked); |
5abb04a6 AS |
674 | wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked); |
675 | } | |
676 | ||
a9533e7e | 677 | static const struct ieee80211_ops wl_ops = { |
a9533e7e | 678 | .tx = wl_ops_tx, |
a9533e7e HP |
679 | .start = wl_ops_start, |
680 | .stop = wl_ops_stop, | |
681 | .add_interface = wl_ops_add_interface, | |
682 | .remove_interface = wl_ops_remove_interface, | |
683 | .config = wl_ops_config, | |
684 | .bss_info_changed = wl_ops_bss_info_changed, | |
685 | .configure_filter = wl_ops_configure_filter, | |
686 | .set_tim = wl_ops_set_tim, | |
687 | .sw_scan_start = wl_ops_sw_scan_start, | |
688 | .sw_scan_complete = wl_ops_sw_scan_complete, | |
689 | .set_tsf = wl_ops_set_tsf, | |
690 | .get_stats = wl_ops_get_stats, | |
691 | .set_rts_threshold = wl_ops_set_rts_threshold, | |
692 | .sta_notify = wl_ops_sta_notify, | |
693 | .conf_tx = wl_ops_conf_tx, | |
694 | .get_tsf = wl_ops_get_tsf, | |
3646dd97 AS |
695 | .sta_add = wl_ops_sta_add, |
696 | .sta_remove = wl_ops_sta_remove, | |
697 | .ampdu_action = wl_ops_ampdu_action, | |
5abb04a6 | 698 | .rfkill_poll = wl_ops_rfkill_poll, |
a9533e7e HP |
699 | }; |
700 | ||
55182a10 RV |
701 | /* |
702 | * is called in wl_pci_probe() context, therefore no locking required. | |
703 | */ | |
2cb22a7a | 704 | static int wl_set_hint(struct wl_info *wl, char *abbrev) |
a9533e7e | 705 | { |
4a079150 | 706 | WL_NONE("%s: Sending country code %c%c to MAC80211\n", |
f4528696 | 707 | __func__, abbrev[0], abbrev[1]); |
90ea2296 | 708 | return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev); |
a9533e7e HP |
709 | } |
710 | ||
711 | /** | |
712 | * attach to the WL device. | |
713 | * | |
714 | * Attach to the WL device identified by vendor and device parameters. | |
715 | * regs is a host accessible memory address pointing to WL device registers. | |
716 | * | |
717 | * wl_attach is not defined as static because in the case where no bus | |
718 | * is defined, wl_attach will never be called, and thus, gcc will issue | |
719 | * a warning that this function is defined but not used if we declare | |
720 | * it as static. | |
55182a10 RV |
721 | * |
722 | * | |
723 | * is called in wl_pci_probe() context, therefore no locking required. | |
a9533e7e | 724 | */ |
2cb22a7a | 725 | static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs, |
a9533e7e HP |
726 | uint bustype, void *btparam, uint irq) |
727 | { | |
2cb22a7a | 728 | struct wl_info *wl; |
e69284f2 | 729 | struct osl_info *osh; |
a9533e7e HP |
730 | int unit, err; |
731 | ||
3deea904 | 732 | unsigned long base_addr; |
a9533e7e | 733 | struct ieee80211_hw *hw; |
41feb5ed | 734 | u8 perm[ETH_ALEN]; |
a9533e7e | 735 | |
06fc8846 | 736 | unit = wl_found; |
a9533e7e HP |
737 | err = 0; |
738 | ||
739 | if (unit < 0) { | |
f4528696 | 740 | WL_ERROR("wl%d: unit number overflow, exiting\n", unit); |
a9533e7e HP |
741 | return NULL; |
742 | } | |
743 | ||
997dd24f | 744 | osh = osl_attach(btparam, bustype); |
a9533e7e HP |
745 | ASSERT(osh); |
746 | ||
a9533e7e HP |
747 | /* allocate private info */ |
748 | hw = pci_get_drvdata(btparam); /* btparam == pdev */ | |
749 | wl = hw->priv; | |
a9533e7e HP |
750 | ASSERT(wl); |
751 | ||
a9533e7e HP |
752 | wl->osh = osh; |
753 | atomic_set(&wl->callbacks, 0); | |
754 | ||
eb4764c3 | 755 | /* setup the bottom half handler */ |
3deea904 | 756 | tasklet_init(&wl->tasklet, wl_dpc, (unsigned long) wl); |
eb4764c3 | 757 | |
a9533e7e | 758 | |
a9533e7e HP |
759 | |
760 | base_addr = regs; | |
761 | ||
762 | if (bustype == PCI_BUS) { | |
06fc8846 | 763 | wl->piomode = false; |
a9533e7e HP |
764 | } else if (bustype == RPC_BUS) { |
765 | /* Do nothing */ | |
766 | } else { | |
767 | bustype = PCI_BUS; | |
f4528696 | 768 | WL_TRACE("force to PCI\n"); |
a9533e7e HP |
769 | } |
770 | wl->bcm_bustype = bustype; | |
771 | ||
ca8c1e59 JC |
772 | wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ); |
773 | if (wl->regsva == NULL) { | |
f4528696 | 774 | WL_ERROR("wl%d: ioremap() failed\n", unit); |
a9533e7e HP |
775 | goto fail; |
776 | } | |
a9533e7e HP |
777 | spin_lock_init(&wl->lock); |
778 | spin_lock_init(&wl->isr_lock); | |
a9533e7e | 779 | |
a9533e7e | 780 | /* prepare ucode */ |
7249e6a1 | 781 | if (wl_request_fw(wl, (struct pci_dev *)btparam) < 0) { |
0bef7748 AS |
782 | WL_ERROR("%s: Failed to find firmware usually in %s\n", |
783 | KBUILD_MODNAME, "/lib/firmware/brcm"); | |
683b505b BR |
784 | wl_release_fw(wl); |
785 | wl_remove((struct pci_dev *)btparam); | |
786 | goto fail1; | |
a9533e7e | 787 | } |
a9533e7e HP |
788 | |
789 | /* common load-time initialization */ | |
eb4764c3 BH |
790 | wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode, osh, |
791 | wl->regsva, wl->bcm_bustype, btparam, &err); | |
eb4764c3 | 792 | wl_release_fw(wl); |
eb4764c3 | 793 | if (!wl->wlc) { |
0bef7748 AS |
794 | WL_ERROR("%s: wlc_attach() failed with code %d\n", |
795 | KBUILD_MODNAME, err); | |
a9533e7e HP |
796 | goto fail; |
797 | } | |
a9533e7e HP |
798 | wl->pub = wlc_pub(wl->wlc); |
799 | ||
800 | wl->pub->ieee_hw = hw; | |
801 | ASSERT(wl->pub->ieee_hw); | |
802 | ASSERT(wl->pub->ieee_hw->priv == wl); | |
803 | ||
a9533e7e | 804 | |
06fc8846 | 805 | if (wlc_iovar_setint(wl->wlc, "mpc", 0)) { |
f4528696 | 806 | WL_ERROR("wl%d: Error setting MPC variable to 0\n", unit); |
a9533e7e | 807 | } |
a9533e7e | 808 | |
a9533e7e HP |
809 | /* register our interrupt handler */ |
810 | if (request_irq(irq, wl_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) { | |
f4528696 | 811 | WL_ERROR("wl%d: request_irq() failed\n", unit); |
a9533e7e HP |
812 | goto fail; |
813 | } | |
814 | wl->irq = irq; | |
a9533e7e HP |
815 | |
816 | /* register module */ | |
817 | wlc_module_register(wl->pub, NULL, "linux", wl, NULL, wl_linux_watchdog, | |
818 | NULL); | |
819 | ||
820 | if (ieee_hw_init(hw)) { | |
f4528696 | 821 | WL_ERROR("wl%d: %s: ieee_hw_init failed!\n", unit, __func__); |
a9533e7e HP |
822 | goto fail; |
823 | } | |
824 | ||
02160695 | 825 | memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN); |
a9533e7e HP |
826 | ASSERT(is_valid_ether_addr(perm)); |
827 | SET_IEEE80211_PERM_ADDR(hw, perm); | |
828 | ||
829 | err = ieee80211_register_hw(hw); | |
830 | if (err) { | |
f4528696 JP |
831 | WL_ERROR("%s: ieee80211_register_hw failed, status %d\n", |
832 | __func__, err); | |
a9533e7e HP |
833 | } |
834 | ||
835 | if (wl->pub->srom_ccode[0]) | |
836 | err = wl_set_hint(wl, wl->pub->srom_ccode); | |
837 | else | |
838 | err = wl_set_hint(wl, "US"); | |
839 | if (err) { | |
f4528696 JP |
840 | WL_ERROR("%s: regulatory_hint failed, status %d\n", |
841 | __func__, err); | |
a9533e7e | 842 | } |
a9533e7e | 843 | |
a9533e7e HP |
844 | wl_found++; |
845 | return wl; | |
846 | ||
4032ec63 | 847 | fail: |
a9533e7e | 848 | wl_free(wl); |
9e56568a | 849 | fail1: |
a9533e7e HP |
850 | return NULL; |
851 | } | |
852 | ||
a9533e7e | 853 | |
a9533e7e HP |
854 | |
855 | #define CHAN2GHZ(channel, freqency, chflags) { \ | |
856 | .band = IEEE80211_BAND_2GHZ, \ | |
857 | .center_freq = (freqency), \ | |
858 | .hw_value = (channel), \ | |
859 | .flags = chflags, \ | |
860 | .max_antenna_gain = 0, \ | |
861 | .max_power = 19, \ | |
862 | } | |
863 | ||
864 | static struct ieee80211_channel wl_2ghz_chantable[] = { | |
865 | CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS), | |
866 | CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS), | |
867 | CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS), | |
868 | CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS), | |
869 | CHAN2GHZ(5, 2432, 0), | |
870 | CHAN2GHZ(6, 2437, 0), | |
871 | CHAN2GHZ(7, 2442, 0), | |
872 | CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS), | |
873 | CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS), | |
874 | CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS), | |
875 | CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS), | |
876 | CHAN2GHZ(12, 2467, | |
877 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
878 | IEEE80211_CHAN_NO_HT40PLUS), | |
879 | CHAN2GHZ(13, 2472, | |
880 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
881 | IEEE80211_CHAN_NO_HT40PLUS), | |
882 | CHAN2GHZ(14, 2484, | |
883 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | | |
884 | IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
885 | }; | |
886 | ||
887 | #define CHAN5GHZ(channel, chflags) { \ | |
888 | .band = IEEE80211_BAND_5GHZ, \ | |
889 | .center_freq = 5000 + 5*(channel), \ | |
890 | .hw_value = (channel), \ | |
891 | .flags = chflags, \ | |
892 | .max_antenna_gain = 0, \ | |
893 | .max_power = 21, \ | |
894 | } | |
895 | ||
896 | static struct ieee80211_channel wl_5ghz_nphy_chantable[] = { | |
897 | /* UNII-1 */ | |
898 | CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS), | |
899 | CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS), | |
900 | CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS), | |
901 | CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS), | |
902 | /* UNII-2 */ | |
903 | CHAN5GHZ(52, | |
904 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
905 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
906 | CHAN5GHZ(56, | |
907 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
908 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
909 | CHAN5GHZ(60, | |
910 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
911 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
912 | CHAN5GHZ(64, | |
913 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
914 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
915 | /* MID */ | |
916 | CHAN5GHZ(100, | |
917 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
918 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
919 | CHAN5GHZ(104, | |
920 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
921 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
922 | CHAN5GHZ(108, | |
923 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
924 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
925 | CHAN5GHZ(112, | |
926 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
927 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
928 | CHAN5GHZ(116, | |
929 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
930 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
931 | CHAN5GHZ(120, | |
932 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
933 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
934 | CHAN5GHZ(124, | |
935 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
936 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
937 | CHAN5GHZ(128, | |
938 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
939 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
940 | CHAN5GHZ(132, | |
941 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
942 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), | |
943 | CHAN5GHZ(136, | |
944 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
945 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), | |
946 | CHAN5GHZ(140, | |
947 | IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | | |
948 | IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS | | |
949 | IEEE80211_CHAN_NO_HT40MINUS), | |
950 | /* UNII-3 */ | |
951 | CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS), | |
952 | CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS), | |
953 | CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS), | |
954 | CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS), | |
955 | CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
956 | }; | |
957 | ||
958 | #define RATE(rate100m, _flags) { \ | |
959 | .bitrate = (rate100m), \ | |
960 | .flags = (_flags), \ | |
961 | .hw_value = (rate100m / 5), \ | |
962 | } | |
963 | ||
964 | static struct ieee80211_rate wl_legacy_ratetable[] = { | |
965 | RATE(10, 0), | |
966 | RATE(20, IEEE80211_RATE_SHORT_PREAMBLE), | |
967 | RATE(55, IEEE80211_RATE_SHORT_PREAMBLE), | |
968 | RATE(110, IEEE80211_RATE_SHORT_PREAMBLE), | |
969 | RATE(60, 0), | |
970 | RATE(90, 0), | |
971 | RATE(120, 0), | |
972 | RATE(180, 0), | |
973 | RATE(240, 0), | |
974 | RATE(360, 0), | |
975 | RATE(480, 0), | |
976 | RATE(540, 0), | |
977 | }; | |
978 | ||
979 | static struct ieee80211_supported_band wl_band_2GHz_nphy = { | |
980 | .band = IEEE80211_BAND_2GHZ, | |
981 | .channels = wl_2ghz_chantable, | |
982 | .n_channels = ARRAY_SIZE(wl_2ghz_chantable), | |
983 | .bitrates = wl_legacy_ratetable, | |
984 | .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable), | |
985 | .ht_cap = { | |
986 | /* from include/linux/ieee80211.h */ | |
987 | .cap = IEEE80211_HT_CAP_GRN_FLD | | |
988 | IEEE80211_HT_CAP_SGI_20 | | |
989 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT, | |
a9533e7e HP |
990 | .ht_supported = true, |
991 | .ampdu_factor = AMPDU_RX_FACTOR_64K, | |
a9533e7e HP |
992 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, |
993 | .mcs = { | |
994 | /* placeholders for now */ | |
a9533e7e HP |
995 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, |
996 | .rx_highest = 500, | |
a9533e7e HP |
997 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} |
998 | } | |
999 | }; | |
1000 | ||
1001 | static struct ieee80211_supported_band wl_band_5GHz_nphy = { | |
1002 | .band = IEEE80211_BAND_5GHZ, | |
1003 | .channels = wl_5ghz_nphy_chantable, | |
1004 | .n_channels = ARRAY_SIZE(wl_5ghz_nphy_chantable), | |
1005 | .bitrates = wl_legacy_ratetable + 4, | |
1006 | .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable) - 4, | |
1007 | .ht_cap = { | |
1008 | /* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */ | |
1009 | .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 */ | |
1010 | .ht_supported = true, | |
1011 | .ampdu_factor = AMPDU_RX_FACTOR_64K, | |
1012 | .ampdu_density = AMPDU_DEF_MPDU_DENSITY, | |
1013 | .mcs = { | |
1014 | /* placeholders for now */ | |
1015 | .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, | |
1016 | .rx_highest = 500, | |
1017 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED} | |
1018 | } | |
1019 | }; | |
1020 | ||
55182a10 RV |
1021 | /* |
1022 | * is called in wl_pci_probe() context, therefore no locking required. | |
1023 | */ | |
a9533e7e HP |
1024 | static int ieee_hw_rate_init(struct ieee80211_hw *hw) |
1025 | { | |
2cb22a7a | 1026 | struct wl_info *wl = HW_TO_WL(hw); |
a9533e7e HP |
1027 | int has_5g; |
1028 | char phy_list[4]; | |
1029 | ||
1030 | has_5g = 0; | |
1031 | ||
1032 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL; | |
1033 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; | |
1034 | ||
1035 | if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) { | |
f4528696 | 1036 | WL_ERROR("Phy list failed\n"); |
a9533e7e | 1037 | } |
f4528696 | 1038 | WL_NONE("%s: phylist = %c\n", __func__, phy_list[0]); |
a9533e7e | 1039 | |
a9533e7e HP |
1040 | if (phy_list[0] == 'n' || phy_list[0] == 'c') { |
1041 | if (phy_list[0] == 'c') { | |
1042 | /* Single stream */ | |
1043 | wl_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0; | |
1044 | wl_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72; | |
1045 | } | |
a9533e7e HP |
1046 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl_band_2GHz_nphy; |
1047 | } else { | |
1048 | BUG(); | |
90ea2296 | 1049 | return -1; |
a9533e7e HP |
1050 | } |
1051 | ||
1052 | /* Assume all bands use the same phy. True for 11n devices. */ | |
1053 | if (NBANDS_PUB(wl->pub) > 1) { | |
1054 | has_5g++; | |
a9533e7e | 1055 | if (phy_list[0] == 'n' || phy_list[0] == 'c') { |
a9533e7e HP |
1056 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
1057 | &wl_band_5GHz_nphy; | |
1058 | } else { | |
90ea2296 | 1059 | return -1; |
a9533e7e HP |
1060 | } |
1061 | } | |
1062 | ||
f4528696 | 1063 | WL_NONE("%s: 2ghz = %d, 5ghz = %d\n", __func__, 1, has_5g); |
a9533e7e | 1064 | |
90ea2296 | 1065 | return 0; |
a9533e7e HP |
1066 | } |
1067 | ||
55182a10 RV |
1068 | /* |
1069 | * is called in wl_pci_probe() context, therefore no locking required. | |
1070 | */ | |
a9533e7e HP |
1071 | static int ieee_hw_init(struct ieee80211_hw *hw) |
1072 | { | |
1073 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
1074 | /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */ | |
1075 | | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
1076 | | IEEE80211_HW_AMPDU_AGGREGATION; | |
1077 | ||
1078 | hw->extra_tx_headroom = wlc_get_header_len(); | |
1079 | /* FIXME: should get this from wlc->machwcap */ | |
1080 | hw->queues = 4; | |
1081 | /* FIXME: this doesn't seem to be used properly in minstrel_ht. | |
1082 | * mac80211/status.c:ieee80211_tx_status() checks this value, | |
1083 | * but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate() | |
1084 | * appears to always set 3 rates | |
1085 | */ | |
1086 | hw->max_rates = 2; /* Primary rate and 1 fallback rate */ | |
1087 | ||
1088 | hw->channel_change_time = 7 * 1000; /* channel change time is dependant on chip and band */ | |
1089 | hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); | |
1090 | ||
1091 | hw->rate_control_algorithm = "minstrel_ht"; | |
1092 | ||
1093 | hw->sta_data_size = sizeof(struct scb); | |
90ea2296 | 1094 | return ieee_hw_rate_init(hw); |
a9533e7e HP |
1095 | } |
1096 | ||
a9533e7e HP |
1097 | /** |
1098 | * determines if a device is a WL device, and if so, attaches it. | |
1099 | * | |
1100 | * This function determines if a device pointed to by pdev is a WL device, | |
1101 | * and if so, performs a wl_attach() on it. | |
1102 | * | |
55182a10 | 1103 | * Perimeter lock is initialized in the course of this function. |
a9533e7e | 1104 | */ |
62b54dca | 1105 | static int __devinit |
a9533e7e HP |
1106 | wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
1107 | { | |
1108 | int rc; | |
2cb22a7a | 1109 | struct wl_info *wl; |
a9533e7e | 1110 | struct ieee80211_hw *hw; |
66cbd3ab | 1111 | u32 val; |
a9533e7e HP |
1112 | |
1113 | ASSERT(pdev); | |
1114 | ||
f4528696 JP |
1115 | WL_TRACE("%s: bus %d slot %d func %d irq %d\n", |
1116 | __func__, pdev->bus->number, PCI_SLOT(pdev->devfn), | |
1117 | PCI_FUNC(pdev->devfn), pdev->irq); | |
a9533e7e HP |
1118 | |
1119 | if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) || | |
1120 | (((pdev->device & 0xff00) != 0x4300) && | |
1121 | ((pdev->device & 0xff00) != 0x4700) && | |
1122 | ((pdev->device < 43000) || (pdev->device > 43999)))) | |
90ea2296 | 1123 | return -ENODEV; |
a9533e7e HP |
1124 | |
1125 | rc = pci_enable_device(pdev); | |
1126 | if (rc) { | |
f4528696 JP |
1127 | WL_ERROR("%s: Cannot enable device %d-%d_%d\n", |
1128 | __func__, pdev->bus->number, PCI_SLOT(pdev->devfn), | |
1129 | PCI_FUNC(pdev->devfn)); | |
90ea2296 | 1130 | return -ENODEV; |
a9533e7e HP |
1131 | } |
1132 | pci_set_master(pdev); | |
1133 | ||
1134 | pci_read_config_dword(pdev, 0x40, &val); | |
1135 | if ((val & 0x0000ff00) != 0) | |
1136 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); | |
1137 | ||
2cb22a7a | 1138 | hw = ieee80211_alloc_hw(sizeof(struct wl_info), &wl_ops); |
a9533e7e | 1139 | if (!hw) { |
f4528696 | 1140 | WL_ERROR("%s: ieee80211_alloc_hw failed\n", __func__); |
a9533e7e HP |
1141 | rc = -ENOMEM; |
1142 | goto err_1; | |
1143 | } | |
1144 | ||
1145 | SET_IEEE80211_DEV(hw, &pdev->dev); | |
1146 | ||
1147 | pci_set_drvdata(pdev, hw); | |
1148 | ||
9249ede9 | 1149 | memset(hw->priv, 0, sizeof(*wl)); |
a9533e7e HP |
1150 | |
1151 | wl = wl_attach(pdev->vendor, pdev->device, pci_resource_start(pdev, 0), | |
1152 | PCI_BUS, pdev, pdev->irq); | |
1153 | ||
683b505b | 1154 | if (!wl) { |
f4528696 JP |
1155 | WL_ERROR("%s: %s: wl_attach failed!\n", |
1156 | KBUILD_MODNAME, __func__); | |
683b505b BR |
1157 | return -ENODEV; |
1158 | } | |
a9533e7e HP |
1159 | return 0; |
1160 | err_1: | |
f4528696 | 1161 | WL_ERROR("%s: err_1: Major hoarkage\n", __func__); |
a9533e7e HP |
1162 | return 0; |
1163 | } | |
1164 | ||
878a6673 | 1165 | static int wl_suspend(struct pci_dev *pdev, pm_message_t state) |
a9533e7e | 1166 | { |
2cb22a7a | 1167 | struct wl_info *wl; |
a9533e7e HP |
1168 | struct ieee80211_hw *hw; |
1169 | ||
f4528696 | 1170 | WL_TRACE("wl: wl_suspend\n"); |
a9533e7e HP |
1171 | |
1172 | hw = pci_get_drvdata(pdev); | |
1173 | wl = HW_TO_WL(hw); | |
1174 | if (!wl) { | |
f4528696 | 1175 | WL_ERROR("wl: wl_suspend: pci_get_drvdata failed\n"); |
a9533e7e HP |
1176 | return -ENODEV; |
1177 | } | |
1178 | ||
4032ec63 | 1179 | /* only need to flag hw is down for proper resume */ |
a9533e7e | 1180 | WL_LOCK(wl); |
0965ae88 | 1181 | wl->pub->hw_up = false; |
a9533e7e | 1182 | WL_UNLOCK(wl); |
4032ec63 AS |
1183 | |
1184 | pci_save_state(pdev); | |
a9533e7e HP |
1185 | pci_disable_device(pdev); |
1186 | return pci_set_power_state(pdev, PCI_D3hot); | |
1187 | } | |
1188 | ||
1189 | static int wl_resume(struct pci_dev *pdev) | |
1190 | { | |
2cb22a7a | 1191 | struct wl_info *wl; |
a9533e7e HP |
1192 | struct ieee80211_hw *hw; |
1193 | int err = 0; | |
66cbd3ab | 1194 | u32 val; |
a9533e7e | 1195 | |
f4528696 | 1196 | WL_TRACE("wl: wl_resume\n"); |
a9533e7e HP |
1197 | hw = pci_get_drvdata(pdev); |
1198 | wl = HW_TO_WL(hw); | |
1199 | if (!wl) { | |
f4528696 | 1200 | WL_ERROR("wl: wl_resume: pci_get_drvdata failed\n"); |
a9533e7e HP |
1201 | return -ENODEV; |
1202 | } | |
1203 | ||
1204 | err = pci_set_power_state(pdev, PCI_D0); | |
1205 | if (err) | |
1206 | return err; | |
1207 | ||
4032ec63 | 1208 | pci_restore_state(pdev); |
a9533e7e HP |
1209 | |
1210 | err = pci_enable_device(pdev); | |
1211 | if (err) | |
1212 | return err; | |
1213 | ||
1214 | pci_set_master(pdev); | |
1215 | ||
1216 | pci_read_config_dword(pdev, 0x40, &val); | |
1217 | if ((val & 0x0000ff00) != 0) | |
1218 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); | |
1219 | ||
4032ec63 AS |
1220 | /* |
1221 | * done. driver will be put in up state | |
1222 | * in wl_ops_add_interface() call. | |
1223 | */ | |
90ea2296 | 1224 | return err; |
a9533e7e | 1225 | } |
a9533e7e | 1226 | |
55182a10 RV |
1227 | /* |
1228 | * called from both kernel as from wl_*() | |
1229 | * precondition: perimeter lock is not acquired. | |
1230 | */ | |
6f0c5bcd | 1231 | static void wl_remove(struct pci_dev *pdev) |
a9533e7e | 1232 | { |
2cb22a7a | 1233 | struct wl_info *wl; |
a9533e7e | 1234 | struct ieee80211_hw *hw; |
2d57aa7b | 1235 | int status; |
a9533e7e HP |
1236 | |
1237 | hw = pci_get_drvdata(pdev); | |
1238 | wl = HW_TO_WL(hw); | |
1239 | if (!wl) { | |
f4528696 | 1240 | WL_ERROR("wl: wl_remove: pci_get_drvdata failed\n"); |
a9533e7e HP |
1241 | return; |
1242 | } | |
5abb04a6 | 1243 | |
2d57aa7b RV |
1244 | WL_LOCK(wl); |
1245 | status = wlc_chipmatch(pdev->vendor, pdev->device); | |
1246 | WL_UNLOCK(wl); | |
1247 | if (!status) { | |
f4528696 | 1248 | WL_ERROR("wl: wl_remove: wlc_chipmatch failed\n"); |
a9533e7e HP |
1249 | return; |
1250 | } | |
683b505b | 1251 | if (wl->wlc) { |
490e00f6 RV |
1252 | wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false); |
1253 | wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy); | |
683b505b BR |
1254 | ieee80211_unregister_hw(hw); |
1255 | WL_LOCK(wl); | |
1256 | wl_down(wl); | |
1257 | WL_UNLOCK(wl); | |
f4528696 | 1258 | WL_NONE("%s: Down\n", __func__); |
683b505b | 1259 | } |
a9533e7e HP |
1260 | pci_disable_device(pdev); |
1261 | ||
1262 | wl_free(wl); | |
1263 | ||
1264 | pci_set_drvdata(pdev, NULL); | |
1265 | ieee80211_free_hw(hw); | |
1266 | } | |
1267 | ||
1268 | static struct pci_driver wl_pci_driver = { | |
949c3676 GKH |
1269 | .name = KBUILD_MODNAME, |
1270 | .probe = wl_pci_probe, | |
1271 | .suspend = wl_suspend, | |
1272 | .resume = wl_resume, | |
c836f77f AS |
1273 | .remove = __devexit_p(wl_remove), |
1274 | .id_table = wl_id_table, | |
a9533e7e | 1275 | }; |
a9533e7e HP |
1276 | |
1277 | /** | |
1278 | * This is the main entry point for the WL driver. | |
1279 | * | |
1280 | * This function determines if a device pointed to by pdev is a WL device, | |
1281 | * and if so, performs a wl_attach() on it. | |
1282 | * | |
1283 | */ | |
1284 | static int __init wl_module_init(void) | |
1285 | { | |
1286 | int error = -ENODEV; | |
1287 | ||
1288 | #ifdef BCMDBG | |
1289 | if (msglevel != 0xdeadbeef) | |
1290 | wl_msg_level = msglevel; | |
1291 | else { | |
1292 | char *var = getvar(NULL, "wl_msglevel"); | |
1293 | if (var) | |
48c51a8c | 1294 | wl_msg_level = simple_strtoul(var, NULL, 0); |
a9533e7e | 1295 | } |
a9533e7e | 1296 | { |
66cbd3ab | 1297 | extern u32 phyhal_msg_level; |
a9533e7e HP |
1298 | |
1299 | if (phymsglevel != 0xdeadbeef) | |
1300 | phyhal_msg_level = phymsglevel; | |
1301 | else { | |
1302 | char *var = getvar(NULL, "phy_msglevel"); | |
1303 | if (var) | |
48c51a8c | 1304 | phyhal_msg_level = simple_strtoul(var, NULL, 0); |
a9533e7e HP |
1305 | } |
1306 | } | |
a9533e7e HP |
1307 | #endif /* BCMDBG */ |
1308 | ||
8ba9cfdb | 1309 | error = pci_register_driver(&wl_pci_driver); |
ca8c1e59 | 1310 | if (!error) |
90ea2296 | 1311 | return 0; |
a9533e7e | 1312 | |
a9533e7e | 1313 | |
a9533e7e | 1314 | |
90ea2296 | 1315 | return error; |
a9533e7e HP |
1316 | } |
1317 | ||
1318 | /** | |
1319 | * This function unloads the WL driver from the system. | |
1320 | * | |
1321 | * This function unconditionally unloads the WL driver module from the | |
1322 | * system. | |
1323 | * | |
1324 | */ | |
1325 | static void __exit wl_module_exit(void) | |
1326 | { | |
a9533e7e | 1327 | pci_unregister_driver(&wl_pci_driver); |
a9533e7e | 1328 | |
a9533e7e HP |
1329 | } |
1330 | ||
1331 | module_init(wl_module_init); | |
1332 | module_exit(wl_module_exit); | |
1333 | ||
1334 | /** | |
1335 | * This function frees the WL per-device resources. | |
1336 | * | |
1337 | * This function frees resources owned by the WL device pointed to | |
1338 | * by the wl parameter. | |
1339 | * | |
55182a10 RV |
1340 | * precondition: can both be called locked and unlocked |
1341 | * | |
a9533e7e | 1342 | */ |
62b54dca | 1343 | static void wl_free(struct wl_info *wl) |
a9533e7e HP |
1344 | { |
1345 | wl_timer_t *t, *next; | |
e69284f2 | 1346 | struct osl_info *osh; |
a9533e7e HP |
1347 | |
1348 | ASSERT(wl); | |
a9533e7e HP |
1349 | /* free ucode data */ |
1350 | if (wl->fw.fw_cnt) | |
1351 | wl_ucode_data_free(); | |
a9533e7e HP |
1352 | if (wl->irq) |
1353 | free_irq(wl->irq, wl); | |
a9533e7e HP |
1354 | |
1355 | /* kill dpc */ | |
1356 | tasklet_kill(&wl->tasklet); | |
1357 | ||
1358 | if (wl->pub) { | |
1359 | wlc_module_unregister(wl->pub, "linux", wl); | |
1360 | } | |
1361 | ||
1362 | /* free common resources */ | |
1363 | if (wl->wlc) { | |
1364 | wlc_detach(wl->wlc); | |
1365 | wl->wlc = NULL; | |
1366 | wl->pub = NULL; | |
1367 | } | |
1368 | ||
1369 | /* virtual interface deletion is deferred so we cannot spinwait */ | |
1370 | ||
1371 | /* wait for all pending callbacks to complete */ | |
1372 | while (atomic_read(&wl->callbacks) > 0) | |
1373 | schedule(); | |
1374 | ||
1375 | /* free timers */ | |
1376 | for (t = wl->timers; t; t = next) { | |
1377 | next = t->next; | |
1378 | #ifdef BCMDBG | |
1379 | if (t->name) | |
182acb3c | 1380 | kfree(t->name); |
a9533e7e | 1381 | #endif |
182acb3c | 1382 | kfree(t); |
a9533e7e HP |
1383 | } |
1384 | ||
a9533e7e HP |
1385 | osh = wl->osh; |
1386 | ||
1387 | /* | |
1388 | * unregister_netdev() calls get_stats() which may read chip registers | |
1389 | * so we cannot unmap the chip registers until after calling unregister_netdev() . | |
1390 | */ | |
fa7a1db2 BR |
1391 | if (wl->regsva && wl->bcm_bustype != SDIO_BUS && |
1392 | wl->bcm_bustype != JTAG_BUS) { | |
a9533e7e HP |
1393 | iounmap((void *)wl->regsva); |
1394 | } | |
1395 | wl->regsva = NULL; | |
1396 | ||
a9533e7e | 1397 | |
a9533e7e HP |
1398 | osl_detach(osh); |
1399 | } | |
1400 | ||
55182a10 RV |
1401 | /* |
1402 | * transmit a packet | |
1403 | * precondition: perimeter lock has been acquired | |
1404 | */ | |
2cb22a7a | 1405 | static int BCMFASTPATH wl_start(struct sk_buff *skb, struct wl_info *wl) |
a9533e7e HP |
1406 | { |
1407 | if (!wl) | |
1408 | return -ENETDOWN; | |
1409 | ||
1410 | return wl_start_int(wl, WL_TO_HW(wl), skb); | |
1411 | } | |
a9533e7e HP |
1412 | |
1413 | static int BCMFASTPATH | |
2cb22a7a | 1414 | wl_start_int(struct wl_info *wl, struct ieee80211_hw *hw, struct sk_buff *skb) |
a9533e7e | 1415 | { |
a9533e7e | 1416 | wlc_sendpkt_mac80211(wl->wlc, skb, hw); |
90ea2296 | 1417 | return NETDEV_TX_OK; |
a9533e7e HP |
1418 | } |
1419 | ||
55182a10 RV |
1420 | /* |
1421 | * precondition: perimeter lock has been acquired | |
1422 | */ | |
2cb22a7a RV |
1423 | void wl_txflowcontrol(struct wl_info *wl, struct wl_if *wlif, bool state, |
1424 | int prio) | |
a9533e7e | 1425 | { |
f4528696 | 1426 | WL_ERROR("Shouldn't be here %s\n", __func__); |
a9533e7e HP |
1427 | } |
1428 | ||
55182a10 RV |
1429 | /* |
1430 | * precondition: perimeter lock has been acquired | |
1431 | */ | |
2cb22a7a | 1432 | void wl_init(struct wl_info *wl) |
a9533e7e | 1433 | { |
f4528696 | 1434 | WL_TRACE("wl%d: wl_init\n", wl->pub->unit); |
a9533e7e HP |
1435 | |
1436 | wl_reset(wl); | |
1437 | ||
1438 | wlc_init(wl->wlc); | |
1439 | } | |
1440 | ||
55182a10 RV |
1441 | /* |
1442 | * precondition: perimeter lock has been acquired | |
1443 | */ | |
2cb22a7a | 1444 | uint wl_reset(struct wl_info *wl) |
a9533e7e | 1445 | { |
f4528696 | 1446 | WL_TRACE("wl%d: wl_reset\n", wl->pub->unit); |
a9533e7e HP |
1447 | |
1448 | wlc_reset(wl->wlc); | |
1449 | ||
1450 | /* dpc will not be rescheduled */ | |
1451 | wl->resched = 0; | |
1452 | ||
90ea2296 | 1453 | return 0; |
a9533e7e HP |
1454 | } |
1455 | ||
1456 | /* | |
1457 | * These are interrupt on/off entry points. Disable interrupts | |
1458 | * during interrupt state transition. | |
1459 | */ | |
2cb22a7a | 1460 | void BCMFASTPATH wl_intrson(struct wl_info *wl) |
a9533e7e | 1461 | { |
a9533e7e HP |
1462 | unsigned long flags; |
1463 | ||
1464 | INT_LOCK(wl, flags); | |
1465 | wlc_intrson(wl->wlc); | |
1466 | INT_UNLOCK(wl, flags); | |
a9533e7e HP |
1467 | } |
1468 | ||
55182a10 RV |
1469 | /* |
1470 | * precondition: perimeter lock has been acquired | |
1471 | */ | |
2cb22a7a | 1472 | bool wl_alloc_dma_resources(struct wl_info *wl, uint addrwidth) |
a9533e7e | 1473 | { |
0f0881b0 | 1474 | return true; |
a9533e7e HP |
1475 | } |
1476 | ||
2cb22a7a | 1477 | u32 BCMFASTPATH wl_intrsoff(struct wl_info *wl) |
a9533e7e | 1478 | { |
a9533e7e | 1479 | unsigned long flags; |
66cbd3ab | 1480 | u32 status; |
a9533e7e HP |
1481 | |
1482 | INT_LOCK(wl, flags); | |
1483 | status = wlc_intrsoff(wl->wlc); | |
1484 | INT_UNLOCK(wl, flags); | |
1485 | return status; | |
a9533e7e HP |
1486 | } |
1487 | ||
2cb22a7a | 1488 | void wl_intrsrestore(struct wl_info *wl, u32 macintmask) |
a9533e7e | 1489 | { |
a9533e7e HP |
1490 | unsigned long flags; |
1491 | ||
1492 | INT_LOCK(wl, flags); | |
1493 | wlc_intrsrestore(wl->wlc, macintmask); | |
1494 | INT_UNLOCK(wl, flags); | |
a9533e7e HP |
1495 | } |
1496 | ||
55182a10 RV |
1497 | /* |
1498 | * precondition: perimeter lock has been acquired | |
1499 | */ | |
2cb22a7a | 1500 | int wl_up(struct wl_info *wl) |
a9533e7e HP |
1501 | { |
1502 | int error = 0; | |
1503 | ||
1504 | if (wl->pub->up) | |
90ea2296 | 1505 | return 0; |
a9533e7e HP |
1506 | |
1507 | error = wlc_up(wl->wlc); | |
1508 | ||
90ea2296 | 1509 | return error; |
a9533e7e HP |
1510 | } |
1511 | ||
55182a10 RV |
1512 | /* |
1513 | * precondition: perimeter lock has been acquired | |
1514 | */ | |
2cb22a7a | 1515 | void wl_down(struct wl_info *wl) |
a9533e7e HP |
1516 | { |
1517 | uint callbacks, ret_val = 0; | |
1518 | ||
1519 | /* call common down function */ | |
1520 | ret_val = wlc_down(wl->wlc); | |
1521 | callbacks = atomic_read(&wl->callbacks) - ret_val; | |
1522 | ||
1523 | /* wait for down callbacks to complete */ | |
1524 | WL_UNLOCK(wl); | |
1525 | ||
a9533e7e HP |
1526 | /* For HIGH_only driver, it's important to actually schedule other work, |
1527 | * not just spin wait since everything runs at schedule level | |
1528 | */ | |
1529 | SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000); | |
a9533e7e HP |
1530 | |
1531 | WL_LOCK(wl); | |
1532 | } | |
1533 | ||
62b54dca | 1534 | static irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id) |
a9533e7e | 1535 | { |
2cb22a7a | 1536 | struct wl_info *wl; |
a9533e7e HP |
1537 | bool ours, wantdpc; |
1538 | unsigned long flags; | |
1539 | ||
2cb22a7a | 1540 | wl = (struct wl_info *) dev_id; |
a9533e7e HP |
1541 | |
1542 | WL_ISRLOCK(wl, flags); | |
1543 | ||
1544 | /* call common first level interrupt handler */ | |
ca8c1e59 JC |
1545 | ours = wlc_isr(wl->wlc, &wantdpc); |
1546 | if (ours) { | |
a9533e7e HP |
1547 | /* if more to do... */ |
1548 | if (wantdpc) { | |
1549 | ||
1550 | /* ...and call the second level interrupt handler */ | |
1551 | /* schedule dpc */ | |
0965ae88 | 1552 | ASSERT(wl->resched == false); |
a9533e7e HP |
1553 | tasklet_schedule(&wl->tasklet); |
1554 | } | |
1555 | } | |
1556 | ||
1557 | WL_ISRUNLOCK(wl, flags); | |
1558 | ||
1559 | return IRQ_RETVAL(ours); | |
a9533e7e HP |
1560 | } |
1561 | ||
3deea904 | 1562 | static void BCMFASTPATH wl_dpc(unsigned long data) |
a9533e7e | 1563 | { |
2cb22a7a | 1564 | struct wl_info *wl; |
a9533e7e | 1565 | |
2cb22a7a | 1566 | wl = (struct wl_info *) data; |
a9533e7e HP |
1567 | |
1568 | WL_LOCK(wl); | |
1569 | ||
1570 | /* call the common second level interrupt handler */ | |
1571 | if (wl->pub->up) { | |
1572 | if (wl->resched) { | |
1573 | unsigned long flags; | |
1574 | ||
1575 | INT_LOCK(wl, flags); | |
1576 | wlc_intrsupd(wl->wlc); | |
1577 | INT_UNLOCK(wl, flags); | |
1578 | } | |
1579 | ||
0f0881b0 | 1580 | wl->resched = wlc_dpc(wl->wlc, true); |
a9533e7e HP |
1581 | } |
1582 | ||
1583 | /* wlc_dpc() may bring the driver down */ | |
1584 | if (!wl->pub->up) | |
1585 | goto done; | |
1586 | ||
1587 | /* re-schedule dpc */ | |
1588 | if (wl->resched) | |
1589 | tasklet_schedule(&wl->tasklet); | |
1590 | else { | |
1591 | /* re-enable interrupts */ | |
1592 | wl_intrson(wl); | |
1593 | } | |
1594 | ||
1595 | done: | |
1596 | WL_UNLOCK(wl); | |
a9533e7e HP |
1597 | } |
1598 | ||
55182a10 RV |
1599 | /* |
1600 | * is called by the kernel from software irq context | |
1601 | */ | |
3deea904 | 1602 | static void wl_timer(unsigned long data) |
a9533e7e | 1603 | { |
a9533e7e | 1604 | _wl_timer((wl_timer_t *) data); |
a9533e7e HP |
1605 | } |
1606 | ||
55182a10 RV |
1607 | /* |
1608 | * precondition: perimeter lock is not acquired | |
1609 | */ | |
7cc4a4c0 | 1610 | static void _wl_timer(wl_timer_t *t) |
a9533e7e HP |
1611 | { |
1612 | WL_LOCK(t->wl); | |
1613 | ||
1614 | if (t->set) { | |
1615 | if (t->periodic) { | |
1616 | t->timer.expires = jiffies + t->ms * HZ / 1000; | |
1617 | atomic_inc(&t->wl->callbacks); | |
1618 | add_timer(&t->timer); | |
0f0881b0 | 1619 | t->set = true; |
a9533e7e | 1620 | } else |
0965ae88 | 1621 | t->set = false; |
a9533e7e HP |
1622 | |
1623 | t->fn(t->arg); | |
1624 | } | |
1625 | ||
1626 | atomic_dec(&t->wl->callbacks); | |
1627 | ||
1628 | WL_UNLOCK(t->wl); | |
1629 | } | |
1630 | ||
55182a10 RV |
1631 | /* |
1632 | * Adds a timer to the list. Caller supplies a timer function. | |
1633 | * Is called from wlc. | |
1634 | * | |
1635 | * precondition: perimeter lock has been acquired | |
1636 | */ | |
2cb22a7a | 1637 | wl_timer_t *wl_init_timer(struct wl_info *wl, void (*fn) (void *arg), void *arg, |
a9533e7e HP |
1638 | const char *name) |
1639 | { | |
1640 | wl_timer_t *t; | |
1641 | ||
5fcc1fcb | 1642 | t = kmalloc(sizeof(wl_timer_t), GFP_ATOMIC); |
ca8c1e59 | 1643 | if (!t) { |
f4528696 | 1644 | WL_ERROR("wl%d: wl_init_timer: out of memory\n", wl->pub->unit); |
a9533e7e HP |
1645 | return 0; |
1646 | } | |
1647 | ||
9249ede9 | 1648 | memset(t, 0, sizeof(wl_timer_t)); |
a9533e7e HP |
1649 | |
1650 | init_timer(&t->timer); | |
3deea904 | 1651 | t->timer.data = (unsigned long) t; |
a9533e7e HP |
1652 | t->timer.function = wl_timer; |
1653 | t->wl = wl; | |
1654 | t->fn = fn; | |
1655 | t->arg = arg; | |
1656 | t->next = wl->timers; | |
1657 | wl->timers = t; | |
1658 | ||
1659 | #ifdef BCMDBG | |
5fcc1fcb | 1660 | t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC); |
ca8c1e59 | 1661 | if (t->name) |
a9533e7e HP |
1662 | strcpy(t->name, name); |
1663 | #endif | |
1664 | ||
1665 | return t; | |
1666 | } | |
1667 | ||
1668 | /* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate | |
1669 | * as well as it's easier to make it periodic | |
55182a10 RV |
1670 | * |
1671 | * precondition: perimeter lock has been acquired | |
a9533e7e | 1672 | */ |
2cb22a7a | 1673 | void wl_add_timer(struct wl_info *wl, wl_timer_t *t, uint ms, int periodic) |
a9533e7e HP |
1674 | { |
1675 | #ifdef BCMDBG | |
1676 | if (t->set) { | |
f4528696 JP |
1677 | WL_ERROR("%s: Already set. Name: %s, per %d\n", |
1678 | __func__, t->name, periodic); | |
a9533e7e HP |
1679 | } |
1680 | #endif | |
1681 | ASSERT(!t->set); | |
1682 | ||
1683 | t->ms = ms; | |
1684 | t->periodic = (bool) periodic; | |
0f0881b0 | 1685 | t->set = true; |
a9533e7e HP |
1686 | t->timer.expires = jiffies + ms * HZ / 1000; |
1687 | ||
1688 | atomic_inc(&wl->callbacks); | |
1689 | add_timer(&t->timer); | |
1690 | } | |
1691 | ||
55182a10 RV |
1692 | /* |
1693 | * return true if timer successfully deleted, false if still pending | |
1694 | * | |
1695 | * precondition: perimeter lock has been acquired | |
1696 | */ | |
2cb22a7a | 1697 | bool wl_del_timer(struct wl_info *wl, wl_timer_t *t) |
a9533e7e HP |
1698 | { |
1699 | if (t->set) { | |
0965ae88 | 1700 | t->set = false; |
a9533e7e | 1701 | if (!del_timer(&t->timer)) { |
0965ae88 | 1702 | return false; |
a9533e7e HP |
1703 | } |
1704 | atomic_dec(&wl->callbacks); | |
1705 | } | |
1706 | ||
0f0881b0 | 1707 | return true; |
a9533e7e HP |
1708 | } |
1709 | ||
55182a10 RV |
1710 | /* |
1711 | * precondition: perimeter lock has been acquired | |
1712 | */ | |
2cb22a7a | 1713 | void wl_free_timer(struct wl_info *wl, wl_timer_t *t) |
a9533e7e HP |
1714 | { |
1715 | wl_timer_t *tmp; | |
1716 | ||
1717 | /* delete the timer in case it is active */ | |
1718 | wl_del_timer(wl, t); | |
1719 | ||
1720 | if (wl->timers == t) { | |
1721 | wl->timers = wl->timers->next; | |
1722 | #ifdef BCMDBG | |
1723 | if (t->name) | |
182acb3c | 1724 | kfree(t->name); |
a9533e7e | 1725 | #endif |
182acb3c | 1726 | kfree(t); |
a9533e7e HP |
1727 | return; |
1728 | ||
1729 | } | |
1730 | ||
1731 | tmp = wl->timers; | |
1732 | while (tmp) { | |
1733 | if (tmp->next == t) { | |
1734 | tmp->next = t->next; | |
1735 | #ifdef BCMDBG | |
1736 | if (t->name) | |
182acb3c | 1737 | kfree(t->name); |
a9533e7e | 1738 | #endif |
182acb3c | 1739 | kfree(t); |
a9533e7e HP |
1740 | return; |
1741 | } | |
1742 | tmp = tmp->next; | |
1743 | } | |
1744 | ||
1745 | } | |
1746 | ||
55182a10 RV |
1747 | /* |
1748 | * runs in software irq context | |
1749 | * | |
1750 | * precondition: perimeter lock is not acquired | |
1751 | */ | |
a9533e7e HP |
1752 | static int wl_linux_watchdog(void *ctx) |
1753 | { | |
2cb22a7a | 1754 | struct wl_info *wl = (struct wl_info *) ctx; |
e4cf544e | 1755 | struct wl_cnt *cnt; |
a9533e7e HP |
1756 | struct net_device_stats *stats = NULL; |
1757 | uint id; | |
1758 | /* refresh stats */ | |
1759 | if (wl->pub->up) { | |
1760 | ASSERT(wl->stats_id < 2); | |
1761 | ||
e4cf544e | 1762 | cnt = wl->pub->_cnt; |
a9533e7e | 1763 | id = 1 - wl->stats_id; |
a9533e7e | 1764 | stats = &wl->stats_watchdog[id]; |
e4cf544e AS |
1765 | stats->rx_packets = cnt->rxframe; |
1766 | stats->tx_packets = cnt->txframe; | |
1767 | stats->rx_bytes = cnt->rxbyte; | |
1768 | stats->tx_bytes = cnt->txbyte; | |
1769 | stats->rx_errors = cnt->rxerror; | |
1770 | stats->tx_errors = cnt->txerror; | |
a9533e7e HP |
1771 | stats->collisions = 0; |
1772 | ||
1773 | stats->rx_length_errors = 0; | |
e4cf544e AS |
1774 | stats->rx_over_errors = cnt->rxoflo; |
1775 | stats->rx_crc_errors = cnt->rxcrc; | |
a9533e7e | 1776 | stats->rx_frame_errors = 0; |
e4cf544e | 1777 | stats->rx_fifo_errors = cnt->rxoflo; |
a9533e7e HP |
1778 | stats->rx_missed_errors = 0; |
1779 | ||
e4cf544e | 1780 | stats->tx_fifo_errors = cnt->txuflo; |
a9533e7e HP |
1781 | |
1782 | wl->stats_id = id; | |
a9533e7e HP |
1783 | } |
1784 | ||
1785 | return 0; | |
1786 | } | |
1787 | ||
1788 | struct wl_fw_hdr { | |
66cbd3ab GKH |
1789 | u32 offset; |
1790 | u32 len; | |
1791 | u32 idx; | |
a9533e7e HP |
1792 | }; |
1793 | ||
a9533e7e HP |
1794 | char *wl_firmwares[WL_MAX_FW] = { |
1795 | "brcm/bcm43xx", | |
1796 | NULL | |
1797 | }; | |
1798 | ||
55182a10 RV |
1799 | /* |
1800 | * precondition: perimeter lock has been acquired | |
1801 | */ | |
2cb22a7a | 1802 | int wl_ucode_init_buf(struct wl_info *wl, void **pbuf, 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 | *pbuf = kmalloc(hdr->len, GFP_ATOMIC); | |
1814 | if (*pbuf == NULL) { | |
0bef7748 AS |
1815 | WL_ERROR("fail to alloc %d bytes\n", |
1816 | hdr->len); | |
8746e2ba | 1817 | goto fail; |
a9533e7e | 1818 | } |
02160695 | 1819 | memcpy(*pbuf, pdata, hdr->len); |
a9533e7e HP |
1820 | return 0; |
1821 | } | |
1822 | } | |
1823 | } | |
0bef7748 | 1824 | WL_ERROR("ERROR: ucode buf tag:%d can not be found!\n", idx); |
a9533e7e | 1825 | *pbuf = NULL; |
8746e2ba | 1826 | fail: |
7249e6a1 | 1827 | return BCME_NOTFOUND; |
a9533e7e HP |
1828 | } |
1829 | ||
55182a10 RV |
1830 | /* |
1831 | * Precondition: Since this function is called in wl_pci_probe() context, | |
1832 | * no locking is required. | |
1833 | */ | |
2cb22a7a | 1834 | int wl_ucode_init_uint(struct wl_info *wl, u32 *data, u32 idx) |
a9533e7e HP |
1835 | { |
1836 | int i, entry; | |
41feb5ed | 1837 | const u8 *pdata; |
a9533e7e HP |
1838 | struct wl_fw_hdr *hdr; |
1839 | for (i = 0; i < wl->fw.fw_cnt; i++) { | |
1840 | hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data; | |
1841 | for (entry = 0; entry < wl->fw.hdr_num_entries[i]; | |
1842 | entry++, hdr++) { | |
1843 | if (hdr->idx == idx) { | |
1844 | pdata = wl->fw.fw_bin[i]->data + hdr->offset; | |
1845 | ASSERT(hdr->len == 4); | |
66cbd3ab | 1846 | *data = *((u32 *) pdata); |
a9533e7e HP |
1847 | return 0; |
1848 | } | |
1849 | } | |
1850 | } | |
0bef7748 | 1851 | WL_ERROR("ERROR: ucode tag:%d can not be found!\n", idx); |
a9533e7e HP |
1852 | return -1; |
1853 | } | |
a9533e7e | 1854 | |
55182a10 RV |
1855 | /* |
1856 | * Precondition: Since this function is called in wl_pci_probe() context, | |
1857 | * no locking is required. | |
1858 | */ | |
2cb22a7a | 1859 | static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev) |
a9533e7e HP |
1860 | { |
1861 | int status; | |
1862 | struct device *device = &pdev->dev; | |
1863 | char fw_name[100]; | |
1864 | int i; | |
1865 | ||
9249ede9 | 1866 | memset((void *)&wl->fw, 0, sizeof(struct wl_firmware)); |
a9533e7e HP |
1867 | for (i = 0; i < WL_MAX_FW; i++) { |
1868 | if (wl_firmwares[i] == NULL) | |
1869 | break; | |
1870 | sprintf(fw_name, "%s-%d.fw", wl_firmwares[i], | |
1871 | UCODE_LOADER_API_VER); | |
f4528696 | 1872 | WL_NONE("request fw %s\n", fw_name); |
a9533e7e HP |
1873 | status = request_firmware(&wl->fw.fw_bin[i], fw_name, device); |
1874 | if (status) { | |
0bef7748 AS |
1875 | WL_ERROR("%s: fail to load firmware %s\n", |
1876 | KBUILD_MODNAME, fw_name); | |
a9533e7e HP |
1877 | return status; |
1878 | } | |
f4528696 | 1879 | WL_NONE("request fw %s\n", fw_name); |
a9533e7e HP |
1880 | sprintf(fw_name, "%s_hdr-%d.fw", wl_firmwares[i], |
1881 | UCODE_LOADER_API_VER); | |
1882 | status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device); | |
1883 | if (status) { | |
0bef7748 AS |
1884 | WL_ERROR("%s: fail to load firmware %s\n", |
1885 | KBUILD_MODNAME, fw_name); | |
a9533e7e HP |
1886 | return status; |
1887 | } | |
1888 | wl->fw.hdr_num_entries[i] = | |
1889 | wl->fw.fw_hdr[i]->size / (sizeof(struct wl_fw_hdr)); | |
f4528696 JP |
1890 | WL_NONE("request fw %s find: %d entries\n", |
1891 | fw_name, wl->fw.hdr_num_entries[i]); | |
a9533e7e HP |
1892 | } |
1893 | wl->fw.fw_cnt = i; | |
3d44661a | 1894 | return wl_ucode_data_init(wl); |
a9533e7e HP |
1895 | } |
1896 | ||
55182a10 RV |
1897 | /* |
1898 | * precondition: can both be called locked and unlocked | |
1899 | */ | |
a9533e7e HP |
1900 | void wl_ucode_free_buf(void *p) |
1901 | { | |
1902 | kfree(p); | |
1903 | } | |
a9533e7e | 1904 | |
55182a10 RV |
1905 | /* |
1906 | * Precondition: Since this function is called in wl_pci_probe() context, | |
1907 | * no locking is required. | |
1908 | */ | |
2cb22a7a | 1909 | static void wl_release_fw(struct wl_info *wl) |
a9533e7e HP |
1910 | { |
1911 | int i; | |
eb4764c3 | 1912 | for (i = 0; i < WL_MAX_FW; i++) { |
a9533e7e HP |
1913 | release_firmware(wl->fw.fw_bin[i]); |
1914 | release_firmware(wl->fw.fw_hdr[i]); | |
1915 | } | |
1916 | } | |
3d44661a RV |
1917 | |
1918 | ||
1919 | /* | |
1920 | * checks validity of all firmware images loaded from user space | |
55182a10 RV |
1921 | * |
1922 | * Precondition: Since this function is called in wl_pci_probe() context, | |
1923 | * no locking is required. | |
3d44661a RV |
1924 | */ |
1925 | int wl_check_firmwares(struct wl_info *wl) | |
1926 | { | |
1927 | int i; | |
1928 | int entry; | |
1929 | int rc = 0; | |
1930 | const struct firmware *fw; | |
1931 | const struct firmware *fw_hdr; | |
1932 | struct wl_fw_hdr *ucode_hdr; | |
1933 | for (i = 0; i < WL_MAX_FW && rc == 0; i++) { | |
1934 | fw = wl->fw.fw_bin[i]; | |
1935 | fw_hdr = wl->fw.fw_hdr[i]; | |
1936 | if (fw == NULL && fw_hdr == NULL) { | |
1937 | break; | |
1938 | } else if (fw == NULL || fw_hdr == NULL) { | |
f4528696 | 1939 | WL_ERROR("%s: invalid bin/hdr fw\n", __func__); |
3d44661a RV |
1940 | rc = -EBADF; |
1941 | } else if (fw_hdr->size % sizeof(struct wl_fw_hdr)) { | |
70de655c | 1942 | WL_ERROR("%s: non integral fw hdr file size %zu/%zu\n", |
f4528696 JP |
1943 | __func__, fw_hdr->size, |
1944 | sizeof(struct wl_fw_hdr)); | |
3d44661a RV |
1945 | rc = -EBADF; |
1946 | } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) { | |
70de655c | 1947 | WL_ERROR("%s: out of bounds fw file size %zu\n", |
f4528696 | 1948 | __func__, fw->size); |
3d44661a RV |
1949 | rc = -EBADF; |
1950 | } else { | |
1951 | /* check if ucode section overruns firmware image */ | |
1952 | ucode_hdr = (struct wl_fw_hdr *)fw_hdr->data; | |
7249e6a1 RV |
1953 | for (entry = 0; entry < wl->fw.hdr_num_entries[i] && |
1954 | !rc; entry++, ucode_hdr++) { | |
3d44661a RV |
1955 | if (ucode_hdr->offset + ucode_hdr->len > |
1956 | fw->size) { | |
f4528696 JP |
1957 | WL_ERROR("%s: conflicting bin/hdr\n", |
1958 | __func__); | |
3d44661a RV |
1959 | rc = -EBADF; |
1960 | } | |
1961 | } | |
1962 | } | |
1963 | } | |
1964 | if (rc == 0 && wl->fw.fw_cnt != i) { | |
f4528696 | 1965 | WL_ERROR("%s: invalid fw_cnt=%d\n", __func__, wl->fw.fw_cnt); |
3d44661a RV |
1966 | rc = -EBADF; |
1967 | } | |
1968 | return rc; | |
1969 | } | |
1970 | ||
55182a10 RV |
1971 | /* |
1972 | * precondition: perimeter lock has been acquired | |
1973 | */ | |
5abb04a6 AS |
1974 | bool wl_rfkill_set_hw_state(struct wl_info *wl) |
1975 | { | |
1976 | bool blocked = wlc_check_radio_disabled(wl->wlc); | |
1977 | ||
4a079150 AS |
1978 | WL_NONE("%s: update hw state: blocked=%s\n", __func__, |
1979 | blocked ? "true" : "false"); | |
e34870f8 | 1980 | WL_UNLOCK(wl); |
5abb04a6 AS |
1981 | wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked); |
1982 | if (blocked) | |
1983 | wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy); | |
e34870f8 | 1984 | WL_LOCK(wl); |
5abb04a6 AS |
1985 | return blocked; |
1986 | } |