Commit | Line | Data |
---|---|---|
f5fc0f86 LC |
1 | /* |
2 | * This file is part of wl1271 | |
3 | * | |
8bf29b0e | 4 | * Copyright (C) 2008-2010 Nokia Corporation |
f5fc0f86 LC |
5 | * |
6 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * version 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
20 | * 02110-1301 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <linux/module.h> | |
f5fc0f86 LC |
25 | #include <linux/firmware.h> |
26 | #include <linux/delay.h> | |
f5fc0f86 LC |
27 | #include <linux/spi/spi.h> |
28 | #include <linux/crc32.h> | |
29 | #include <linux/etherdevice.h> | |
1fba4974 | 30 | #include <linux/vmalloc.h> |
a1dd8187 | 31 | #include <linux/platform_device.h> |
5a0e3ad6 | 32 | #include <linux/slab.h> |
f5fc0f86 | 33 | |
00d20100 | 34 | #include "wl12xx.h" |
f5fc0f86 | 35 | #include "wl12xx_80211.h" |
00d20100 SL |
36 | #include "reg.h" |
37 | #include "io.h" | |
38 | #include "event.h" | |
39 | #include "tx.h" | |
40 | #include "rx.h" | |
41 | #include "ps.h" | |
42 | #include "init.h" | |
43 | #include "debugfs.h" | |
44 | #include "cmd.h" | |
45 | #include "boot.h" | |
46 | #include "testmode.h" | |
47 | #include "scan.h" | |
f5fc0f86 | 48 | |
9ccd9217 JO |
49 | #define WL1271_BOOT_RETRIES 3 |
50 | ||
8a08048a JO |
51 | static struct conf_drv_settings default_conf = { |
52 | .sg = { | |
1b00f546 JO |
53 | .params = { |
54 | [CONF_SG_BT_PER_THRESHOLD] = 7500, | |
55 | [CONF_SG_HV3_MAX_OVERRIDE] = 0, | |
56 | [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400, | |
57 | [CONF_SG_BT_LOAD_RATIO] = 50, | |
8d2ef7bd | 58 | [CONF_SG_AUTO_PS_MODE] = 1, |
1b00f546 JO |
59 | [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, |
60 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, | |
61 | [CONF_SG_ANTENNA_CONFIGURATION] = 0, | |
62 | [CONF_SG_BEACON_MISS_PERCENT] = 60, | |
63 | [CONF_SG_RATE_ADAPT_THRESH] = 12, | |
64 | [CONF_SG_RATE_ADAPT_SNR] = 0, | |
65 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10, | |
66 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 30, | |
67 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 8, | |
68 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20, | |
69 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 50, | |
70 | /* Note: with UPSD, this should be 4 */ | |
71 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 8, | |
72 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7, | |
73 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25, | |
74 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 20, | |
75 | /* Note: with UPDS, this should be 15 */ | |
76 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8, | |
77 | /* Note: with UPDS, this should be 50 */ | |
78 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 40, | |
79 | /* Note: with UPDS, this should be 10 */ | |
80 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 20, | |
81 | [CONF_SG_RXT] = 1200, | |
82 | [CONF_SG_TXT] = 1000, | |
83 | [CONF_SG_ADAPTIVE_RXT_TXT] = 1, | |
84 | [CONF_SG_PS_POLL_TIMEOUT] = 10, | |
85 | [CONF_SG_UPSD_TIMEOUT] = 10, | |
86 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7, | |
87 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15, | |
88 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15, | |
89 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8, | |
90 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20, | |
91 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15, | |
92 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20, | |
93 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50, | |
94 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10, | |
95 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, | |
96 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800, | |
97 | [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75, | |
98 | [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15, | |
99 | [CONF_SG_HV3_MAX_SERVED] = 6, | |
100 | [CONF_SG_DHCP_TIME] = 5000, | |
101 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, | |
102 | }, | |
103 | .state = CONF_SG_PROTECTIVE, | |
8a08048a JO |
104 | }, |
105 | .rx = { | |
106 | .rx_msdu_life_time = 512000, | |
107 | .packet_detection_threshold = 0, | |
108 | .ps_poll_timeout = 15, | |
109 | .upsd_timeout = 15, | |
110 | .rts_threshold = 2347, | |
3ed8f2c6 LC |
111 | .rx_cca_threshold = 0, |
112 | .irq_blk_threshold = 0xFFFF, | |
113 | .irq_pkt_threshold = 0, | |
114 | .irq_timeout = 600, | |
8a08048a JO |
115 | .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, |
116 | }, | |
117 | .tx = { | |
118 | .tx_energy_detection = 0, | |
119 | .rc_conf = { | |
ebba60c6 | 120 | .enabled_rates = 0, |
8a08048a JO |
121 | .short_retry_limit = 10, |
122 | .long_retry_limit = 10, | |
123 | .aflags = 0 | |
45b531a8 | 124 | }, |
8a08048a JO |
125 | .ac_conf_count = 4, |
126 | .ac_conf = { | |
9987a9da | 127 | [CONF_TX_AC_BE] = { |
8a08048a JO |
128 | .ac = CONF_TX_AC_BE, |
129 | .cw_min = 15, | |
130 | .cw_max = 63, | |
131 | .aifsn = 3, | |
132 | .tx_op_limit = 0, | |
45b531a8 | 133 | }, |
9987a9da | 134 | [CONF_TX_AC_BK] = { |
8a08048a JO |
135 | .ac = CONF_TX_AC_BK, |
136 | .cw_min = 15, | |
137 | .cw_max = 63, | |
138 | .aifsn = 7, | |
139 | .tx_op_limit = 0, | |
45b531a8 | 140 | }, |
9987a9da | 141 | [CONF_TX_AC_VI] = { |
8a08048a JO |
142 | .ac = CONF_TX_AC_VI, |
143 | .cw_min = 15, | |
144 | .cw_max = 63, | |
145 | .aifsn = CONF_TX_AIFS_PIFS, | |
146 | .tx_op_limit = 3008, | |
147 | }, | |
9987a9da | 148 | [CONF_TX_AC_VO] = { |
8a08048a JO |
149 | .ac = CONF_TX_AC_VO, |
150 | .cw_min = 15, | |
151 | .cw_max = 63, | |
152 | .aifsn = CONF_TX_AIFS_PIFS, | |
153 | .tx_op_limit = 1504, | |
45b531a8 | 154 | }, |
51f2be24 | 155 | }, |
9987a9da | 156 | .tid_conf_count = 4, |
8a08048a | 157 | .tid_conf = { |
9987a9da JO |
158 | [CONF_TX_AC_BE] = { |
159 | .queue_id = CONF_TX_AC_BE, | |
160 | .channel_type = CONF_CHANNEL_TYPE_EDCF, | |
8a08048a JO |
161 | .tsid = CONF_TX_AC_BE, |
162 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
163 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
164 | .apsd_conf = {0, 0}, | |
51f2be24 | 165 | }, |
9987a9da JO |
166 | [CONF_TX_AC_BK] = { |
167 | .queue_id = CONF_TX_AC_BK, | |
168 | .channel_type = CONF_CHANNEL_TYPE_EDCF, | |
169 | .tsid = CONF_TX_AC_BK, | |
8a08048a JO |
170 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
171 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
172 | .apsd_conf = {0, 0}, | |
173 | }, | |
9987a9da JO |
174 | [CONF_TX_AC_VI] = { |
175 | .queue_id = CONF_TX_AC_VI, | |
176 | .channel_type = CONF_CHANNEL_TYPE_EDCF, | |
177 | .tsid = CONF_TX_AC_VI, | |
8a08048a JO |
178 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
179 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
180 | .apsd_conf = {0, 0}, | |
181 | }, | |
9987a9da JO |
182 | [CONF_TX_AC_VO] = { |
183 | .queue_id = CONF_TX_AC_VO, | |
184 | .channel_type = CONF_CHANNEL_TYPE_EDCF, | |
185 | .tsid = CONF_TX_AC_VO, | |
8a08048a JO |
186 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
187 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
188 | .apsd_conf = {0, 0}, | |
189 | }, | |
8a08048a JO |
190 | }, |
191 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, | |
3ed8f2c6 | 192 | .tx_compl_timeout = 700, |
ebba60c6 JO |
193 | .tx_compl_threshold = 4, |
194 | .basic_rate = CONF_HW_BIT_RATE_1MBPS, | |
195 | .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS, | |
8a08048a JO |
196 | }, |
197 | .conn = { | |
198 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, | |
50c500ad | 199 | .listen_interval = 1, |
8a08048a JO |
200 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, |
201 | .bcn_filt_ie_count = 1, | |
202 | .bcn_filt_ie = { | |
203 | [0] = { | |
204 | .ie = WLAN_EID_CHANNEL_SWITCH, | |
205 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, | |
51f2be24 | 206 | } |
47fab7d5 | 207 | }, |
3ed8f2c6 | 208 | .synch_fail_thold = 10, |
8a08048a JO |
209 | .bss_lose_timeout = 100, |
210 | .beacon_rx_timeout = 10000, | |
211 | .broadcast_timeout = 20000, | |
212 | .rx_broadcast_in_ps = 1, | |
90494a90 JO |
213 | .ps_poll_threshold = 10, |
214 | .ps_poll_recovery_period = 700, | |
11f70f97 | 215 | .bet_enable = CONF_BET_MODE_ENABLE, |
84502563 | 216 | .bet_max_consecutive = 10, |
8eab7b47 JO |
217 | .psm_entry_retries = 5, |
218 | .psm_entry_nullfunc_retries = 3, | |
219 | .psm_entry_hangover_period = 1, | |
50c500ad JO |
220 | .keep_alive_interval = 55000, |
221 | .max_listen_interval = 20, | |
8a08048a | 222 | }, |
6e92b416 LC |
223 | .itrim = { |
224 | .enable = false, | |
225 | .timeout = 50000, | |
38ad2d87 JO |
226 | }, |
227 | .pm_config = { | |
228 | .host_clk_settling_time = 5000, | |
229 | .host_fast_wakeup_support = false | |
00236aed JO |
230 | }, |
231 | .roam_trigger = { | |
00236aed JO |
232 | .trigger_pacing = 1, |
233 | .avg_weight_rssi_beacon = 20, | |
234 | .avg_weight_rssi_data = 10, | |
235 | .avg_weight_snr_beacon = 20, | |
236 | .avg_weight_snr_data = 10 | |
bea39d6a JO |
237 | }, |
238 | .scan = { | |
239 | .min_dwell_time_active = 7500, | |
240 | .max_dwell_time_active = 30000, | |
241 | .min_dwell_time_passive = 30000, | |
242 | .max_dwell_time_passive = 60000, | |
243 | .num_probe_reqs = 2, | |
244 | }, | |
644a4860 JO |
245 | .rf = { |
246 | .tx_per_channel_power_compensation_2 = { | |
247 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
248 | }, | |
249 | .tx_per_channel_power_compensation_5 = { | |
250 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
251 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
252 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
253 | }, | |
254 | }, | |
8a08048a JO |
255 | }; |
256 | ||
52b0e7a6 JO |
257 | static void __wl1271_op_remove_interface(struct wl1271 *wl); |
258 | ||
259 | ||
a1dd8187 JO |
260 | static void wl1271_device_release(struct device *dev) |
261 | { | |
262 | ||
263 | } | |
264 | ||
265 | static struct platform_device wl1271_device = { | |
266 | .name = "wl1271", | |
267 | .id = -1, | |
268 | ||
269 | /* device model insists to have a release function */ | |
270 | .dev = { | |
271 | .release = wl1271_device_release, | |
272 | }, | |
273 | }; | |
274 | ||
01c09162 JO |
275 | static LIST_HEAD(wl_list); |
276 | ||
c2c192ac JO |
277 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
278 | void *arg) | |
279 | { | |
280 | struct net_device *dev = arg; | |
281 | struct wireless_dev *wdev; | |
282 | struct wiphy *wiphy; | |
283 | struct ieee80211_hw *hw; | |
284 | struct wl1271 *wl; | |
285 | struct wl1271 *wl_temp; | |
286 | int ret = 0; | |
287 | ||
288 | /* Check that this notification is for us. */ | |
289 | if (what != NETDEV_CHANGE) | |
290 | return NOTIFY_DONE; | |
291 | ||
292 | wdev = dev->ieee80211_ptr; | |
293 | if (wdev == NULL) | |
294 | return NOTIFY_DONE; | |
295 | ||
296 | wiphy = wdev->wiphy; | |
297 | if (wiphy == NULL) | |
298 | return NOTIFY_DONE; | |
299 | ||
300 | hw = wiphy_priv(wiphy); | |
301 | if (hw == NULL) | |
302 | return NOTIFY_DONE; | |
303 | ||
304 | wl_temp = hw->priv; | |
305 | list_for_each_entry(wl, &wl_list, list) { | |
306 | if (wl == wl_temp) | |
307 | break; | |
308 | } | |
309 | if (wl != wl_temp) | |
310 | return NOTIFY_DONE; | |
311 | ||
312 | mutex_lock(&wl->mutex); | |
313 | ||
314 | if (wl->state == WL1271_STATE_OFF) | |
315 | goto out; | |
316 | ||
317 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
318 | goto out; | |
319 | ||
320 | ret = wl1271_ps_elp_wakeup(wl, false); | |
321 | if (ret < 0) | |
322 | goto out; | |
323 | ||
324 | if ((dev->operstate == IF_OPER_UP) && | |
325 | !test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) { | |
326 | wl1271_cmd_set_sta_state(wl); | |
327 | wl1271_info("Association completed."); | |
328 | } | |
329 | ||
330 | wl1271_ps_elp_sleep(wl); | |
331 | ||
332 | out: | |
333 | mutex_unlock(&wl->mutex); | |
334 | ||
335 | return NOTIFY_OK; | |
336 | } | |
337 | ||
b7417d93 JO |
338 | static int wl1271_reg_notify(struct wiphy *wiphy, |
339 | struct regulatory_request *request) { | |
340 | struct ieee80211_supported_band *band; | |
341 | struct ieee80211_channel *ch; | |
342 | int i; | |
343 | ||
344 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
345 | for (i = 0; i < band->n_channels; i++) { | |
346 | ch = &band->channels[i]; | |
347 | if (ch->flags & IEEE80211_CHAN_DISABLED) | |
348 | continue; | |
349 | ||
350 | if (ch->flags & IEEE80211_CHAN_RADAR) | |
351 | ch->flags |= IEEE80211_CHAN_NO_IBSS | | |
352 | IEEE80211_CHAN_PASSIVE_SCAN; | |
353 | ||
354 | } | |
355 | ||
356 | return 0; | |
357 | } | |
358 | ||
8a08048a JO |
359 | static void wl1271_conf_init(struct wl1271 *wl) |
360 | { | |
2b60100b JO |
361 | |
362 | /* | |
363 | * This function applies the default configuration to the driver. This | |
364 | * function is invoked upon driver load (spi probe.) | |
365 | * | |
366 | * The configuration is stored in a run-time structure in order to | |
367 | * facilitate for run-time adjustment of any of the parameters. Making | |
368 | * changes to the configuration structure will apply the new values on | |
369 | * the next interface up (wl1271_op_start.) | |
370 | */ | |
371 | ||
372 | /* apply driver default configuration */ | |
8a08048a | 373 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
2b60100b JO |
374 | } |
375 | ||
376 | ||
f5fc0f86 LC |
377 | static int wl1271_plt_init(struct wl1271 *wl) |
378 | { | |
12419cce LC |
379 | struct conf_tx_ac_category *conf_ac; |
380 | struct conf_tx_tid *conf_tid; | |
381 | int ret, i; | |
f5fc0f86 | 382 | |
98b5dd5d | 383 | ret = wl1271_cmd_general_parms(wl); |
4a90406b | 384 | if (ret < 0) |
cc7defa3 LC |
385 | return ret; |
386 | ||
98b5dd5d | 387 | ret = wl1271_cmd_radio_parms(wl); |
4a90406b | 388 | if (ret < 0) |
cc7defa3 LC |
389 | return ret; |
390 | ||
644a4860 JO |
391 | ret = wl1271_cmd_ext_radio_parms(wl); |
392 | if (ret < 0) | |
393 | return ret; | |
394 | ||
12419cce LC |
395 | ret = wl1271_init_templates_config(wl); |
396 | if (ret < 0) | |
397 | return ret; | |
398 | ||
f5fc0f86 LC |
399 | ret = wl1271_acx_init_mem_config(wl); |
400 | if (ret < 0) | |
401 | return ret; | |
402 | ||
12419cce LC |
403 | /* PHY layer config */ |
404 | ret = wl1271_init_phy_config(wl); | |
405 | if (ret < 0) | |
406 | goto out_free_memmap; | |
407 | ||
408 | ret = wl1271_acx_dco_itrim_params(wl); | |
409 | if (ret < 0) | |
410 | goto out_free_memmap; | |
411 | ||
412 | /* Initialize connection monitoring thresholds */ | |
6ccbb92e | 413 | ret = wl1271_acx_conn_monit_params(wl, false); |
12419cce LC |
414 | if (ret < 0) |
415 | goto out_free_memmap; | |
416 | ||
417 | /* Bluetooth WLAN coexistence */ | |
418 | ret = wl1271_init_pta(wl); | |
419 | if (ret < 0) | |
420 | goto out_free_memmap; | |
421 | ||
422 | /* Energy detection */ | |
423 | ret = wl1271_init_energy_detection(wl); | |
424 | if (ret < 0) | |
425 | goto out_free_memmap; | |
426 | ||
427 | /* Default fragmentation threshold */ | |
428 | ret = wl1271_acx_frag_threshold(wl); | |
429 | if (ret < 0) | |
430 | goto out_free_memmap; | |
431 | ||
9987a9da JO |
432 | /* Default TID/AC configuration */ |
433 | BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count); | |
12419cce | 434 | for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { |
9987a9da JO |
435 | conf_ac = &wl->conf.tx.ac_conf[i]; |
436 | ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min, | |
437 | conf_ac->cw_max, conf_ac->aifsn, | |
438 | conf_ac->tx_op_limit); | |
439 | if (ret < 0) | |
440 | goto out_free_memmap; | |
441 | ||
12419cce LC |
442 | conf_tid = &wl->conf.tx.tid_conf[i]; |
443 | ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id, | |
444 | conf_tid->channel_type, | |
445 | conf_tid->tsid, | |
446 | conf_tid->ps_scheme, | |
447 | conf_tid->ack_policy, | |
448 | conf_tid->apsd_conf[0], | |
449 | conf_tid->apsd_conf[1]); | |
450 | if (ret < 0) | |
451 | goto out_free_memmap; | |
452 | } | |
453 | ||
12419cce | 454 | /* Enable data path */ |
94210897 | 455 | ret = wl1271_cmd_data_path(wl, 1); |
f5fc0f86 | 456 | if (ret < 0) |
12419cce LC |
457 | goto out_free_memmap; |
458 | ||
459 | /* Configure for CAM power saving (ie. always active) */ | |
460 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); | |
461 | if (ret < 0) | |
462 | goto out_free_memmap; | |
463 | ||
464 | /* configure PM */ | |
465 | ret = wl1271_acx_pm_config(wl); | |
466 | if (ret < 0) | |
467 | goto out_free_memmap; | |
f5fc0f86 LC |
468 | |
469 | return 0; | |
12419cce LC |
470 | |
471 | out_free_memmap: | |
472 | kfree(wl->target_mem_map); | |
473 | wl->target_mem_map = NULL; | |
474 | ||
475 | return ret; | |
f5fc0f86 LC |
476 | } |
477 | ||
c15f63bf JO |
478 | static void wl1271_fw_status(struct wl1271 *wl, |
479 | struct wl1271_fw_status *status) | |
f5fc0f86 | 480 | { |
ac5e1e39 | 481 | struct timespec ts; |
f5fc0f86 LC |
482 | u32 total = 0; |
483 | int i; | |
484 | ||
09a9c2b3 | 485 | wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false); |
f5fc0f86 LC |
486 | |
487 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " | |
488 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
489 | status->intr, | |
490 | status->fw_rx_counter, | |
491 | status->drv_rx_counter, | |
492 | status->tx_results_counter); | |
493 | ||
494 | /* update number of available TX blocks */ | |
495 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
d0f63b20 LC |
496 | u32 cnt = le32_to_cpu(status->tx_released_blks[i]) - |
497 | wl->tx_blocks_freed[i]; | |
498 | ||
499 | wl->tx_blocks_freed[i] = | |
500 | le32_to_cpu(status->tx_released_blks[i]); | |
f5fc0f86 LC |
501 | wl->tx_blocks_available += cnt; |
502 | total += cnt; | |
503 | } | |
504 | ||
a522550a IY |
505 | /* if more blocks are available now, tx work can be scheduled */ |
506 | if (total) | |
507 | clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags); | |
f5fc0f86 LC |
508 | |
509 | /* update the host-chipset time offset */ | |
ac5e1e39 JO |
510 | getnstimeofday(&ts); |
511 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - | |
512 | (s64)le32_to_cpu(status->fw_localtime); | |
f5fc0f86 LC |
513 | } |
514 | ||
1e73eb62 JO |
515 | #define WL1271_IRQ_MAX_LOOPS 10 |
516 | ||
f5fc0f86 LC |
517 | static void wl1271_irq_work(struct work_struct *work) |
518 | { | |
f5fc0f86 | 519 | int ret; |
c15f63bf | 520 | u32 intr; |
1e73eb62 JO |
521 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
522 | unsigned long flags; | |
f5fc0f86 LC |
523 | struct wl1271 *wl = |
524 | container_of(work, struct wl1271, irq_work); | |
525 | ||
526 | mutex_lock(&wl->mutex); | |
527 | ||
528 | wl1271_debug(DEBUG_IRQ, "IRQ work"); | |
529 | ||
1e73eb62 | 530 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
f5fc0f86 LC |
531 | goto out; |
532 | ||
533 | ret = wl1271_ps_elp_wakeup(wl, true); | |
534 | if (ret < 0) | |
535 | goto out; | |
536 | ||
1e73eb62 JO |
537 | spin_lock_irqsave(&wl->wl_lock, flags); |
538 | while (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags) && loopcount) { | |
539 | clear_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags); | |
540 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
541 | loopcount--; | |
542 | ||
543 | wl1271_fw_status(wl, wl->fw_status); | |
544 | intr = le32_to_cpu(wl->fw_status->intr); | |
545 | if (!intr) { | |
546 | wl1271_debug(DEBUG_IRQ, "Zero interrupt received."); | |
cdd0864a | 547 | spin_lock_irqsave(&wl->wl_lock, flags); |
1e73eb62 JO |
548 | continue; |
549 | } | |
f5fc0f86 | 550 | |
1e73eb62 | 551 | intr &= WL1271_INTR_MASK; |
f5fc0f86 | 552 | |
ccc83b04 EP |
553 | if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { |
554 | wl1271_error("watchdog interrupt received! " | |
555 | "starting recovery."); | |
556 | ieee80211_queue_work(wl->hw, &wl->recovery_work); | |
557 | ||
558 | /* restarting the chip. ignore any other interrupt. */ | |
559 | goto out; | |
560 | } | |
561 | ||
1e73eb62 JO |
562 | if (intr & WL1271_ACX_INTR_DATA) { |
563 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); | |
1fd2794f | 564 | |
1e73eb62 JO |
565 | /* check for tx results */ |
566 | if (wl->fw_status->tx_results_counter != | |
567 | (wl->tx_results_count & 0xff)) | |
568 | wl1271_tx_complete(wl); | |
f5fc0f86 | 569 | |
a522550a IY |
570 | /* Check if any tx blocks were freed */ |
571 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && | |
572 | !skb_queue_empty(&wl->tx_queue)) { | |
573 | /* | |
574 | * In order to avoid starvation of the TX path, | |
575 | * call the work function directly. | |
576 | */ | |
577 | wl1271_tx_work_locked(wl); | |
578 | } | |
579 | ||
1e73eb62 JO |
580 | wl1271_rx(wl, wl->fw_status); |
581 | } | |
f5fc0f86 | 582 | |
1e73eb62 JO |
583 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
584 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); | |
585 | wl1271_event_handle(wl, 0); | |
586 | } | |
f5fc0f86 | 587 | |
1e73eb62 JO |
588 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
589 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
590 | wl1271_event_handle(wl, 1); | |
591 | } | |
f5fc0f86 | 592 | |
1e73eb62 JO |
593 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
594 | wl1271_debug(DEBUG_IRQ, | |
595 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 596 | |
1e73eb62 JO |
597 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
598 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
599 | ||
600 | spin_lock_irqsave(&wl->wl_lock, flags); | |
c15f63bf | 601 | } |
f5fc0f86 | 602 | |
1e73eb62 JO |
603 | if (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags)) |
604 | ieee80211_queue_work(wl->hw, &wl->irq_work); | |
605 | else | |
606 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
607 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
608 | ||
f5fc0f86 LC |
609 | wl1271_ps_elp_sleep(wl); |
610 | ||
611 | out: | |
612 | mutex_unlock(&wl->mutex); | |
613 | } | |
614 | ||
f5fc0f86 LC |
615 | static int wl1271_fetch_firmware(struct wl1271 *wl) |
616 | { | |
617 | const struct firmware *fw; | |
618 | int ret; | |
619 | ||
8197b711 | 620 | ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
621 | |
622 | if (ret < 0) { | |
623 | wl1271_error("could not get firmware: %d", ret); | |
624 | return ret; | |
625 | } | |
626 | ||
627 | if (fw->size % 4) { | |
628 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
629 | fw->size); | |
630 | ret = -EILSEQ; | |
631 | goto out; | |
632 | } | |
633 | ||
634 | wl->fw_len = fw->size; | |
1fba4974 | 635 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
636 | |
637 | if (!wl->fw) { | |
638 | wl1271_error("could not allocate memory for the firmware"); | |
639 | ret = -ENOMEM; | |
640 | goto out; | |
641 | } | |
642 | ||
643 | memcpy(wl->fw, fw->data, wl->fw_len); | |
644 | ||
645 | ret = 0; | |
646 | ||
647 | out: | |
648 | release_firmware(fw); | |
649 | ||
650 | return ret; | |
651 | } | |
652 | ||
653 | static int wl1271_fetch_nvs(struct wl1271 *wl) | |
654 | { | |
655 | const struct firmware *fw; | |
656 | int ret; | |
657 | ||
8197b711 | 658 | ret = request_firmware(&fw, WL1271_NVS_NAME, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
659 | |
660 | if (ret < 0) { | |
661 | wl1271_error("could not get nvs file: %d", ret); | |
662 | return ret; | |
663 | } | |
664 | ||
929ebd30 | 665 | wl->nvs = kmemdup(fw->data, sizeof(struct wl1271_nvs_file), GFP_KERNEL); |
f5fc0f86 LC |
666 | |
667 | if (!wl->nvs) { | |
668 | wl1271_error("could not allocate memory for the nvs file"); | |
669 | ret = -ENOMEM; | |
670 | goto out; | |
671 | } | |
672 | ||
02fabb0e JO |
673 | wl->nvs_len = fw->size; |
674 | ||
f5fc0f86 LC |
675 | out: |
676 | release_firmware(fw); | |
677 | ||
678 | return ret; | |
679 | } | |
680 | ||
52b0e7a6 JO |
681 | static void wl1271_recovery_work(struct work_struct *work) |
682 | { | |
683 | struct wl1271 *wl = | |
684 | container_of(work, struct wl1271, recovery_work); | |
685 | ||
686 | mutex_lock(&wl->mutex); | |
687 | ||
688 | if (wl->state != WL1271_STATE_ON) | |
689 | goto out; | |
690 | ||
691 | wl1271_info("Hardware recovery in progress."); | |
692 | ||
d25611da JO |
693 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
694 | ieee80211_connection_loss(wl->vif); | |
695 | ||
52b0e7a6 JO |
696 | /* reboot the chipset */ |
697 | __wl1271_op_remove_interface(wl); | |
698 | ieee80211_restart_hw(wl->hw); | |
699 | ||
700 | out: | |
701 | mutex_unlock(&wl->mutex); | |
702 | } | |
703 | ||
f5fc0f86 LC |
704 | static void wl1271_fw_wakeup(struct wl1271 *wl) |
705 | { | |
706 | u32 elp_reg; | |
707 | ||
708 | elp_reg = ELPCTRL_WAKE_UP; | |
74621417 | 709 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
f5fc0f86 LC |
710 | } |
711 | ||
712 | static int wl1271_setup(struct wl1271 *wl) | |
713 | { | |
714 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); | |
715 | if (!wl->fw_status) | |
716 | return -ENOMEM; | |
717 | ||
718 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); | |
719 | if (!wl->tx_res_if) { | |
720 | kfree(wl->fw_status); | |
721 | return -ENOMEM; | |
722 | } | |
723 | ||
f5fc0f86 LC |
724 | return 0; |
725 | } | |
726 | ||
727 | static int wl1271_chip_wakeup(struct wl1271 *wl) | |
728 | { | |
451de97a | 729 | struct wl1271_partition_set partition; |
f5fc0f86 LC |
730 | int ret = 0; |
731 | ||
01ac17ec | 732 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
2cc78ff7 OBC |
733 | ret = wl1271_power_on(wl); |
734 | if (ret < 0) | |
735 | goto out; | |
f5fc0f86 | 736 | msleep(WL1271_POWER_ON_SLEEP); |
9b280722 TP |
737 | wl1271_io_reset(wl); |
738 | wl1271_io_init(wl); | |
f5fc0f86 LC |
739 | |
740 | /* We don't need a real memory partition here, because we only want | |
741 | * to use the registers at this point. */ | |
451de97a JO |
742 | memset(&partition, 0, sizeof(partition)); |
743 | partition.reg.start = REGISTERS_BASE; | |
744 | partition.reg.size = REGISTERS_DOWN_SIZE; | |
745 | wl1271_set_partition(wl, &partition); | |
f5fc0f86 LC |
746 | |
747 | /* ELP module wake up */ | |
748 | wl1271_fw_wakeup(wl); | |
749 | ||
750 | /* whal_FwCtrl_BootSm() */ | |
751 | ||
752 | /* 0. read chip id from CHIP_ID */ | |
7b048c52 | 753 | wl->chip.id = wl1271_read32(wl, CHIP_ID_B); |
f5fc0f86 LC |
754 | |
755 | /* 1. check if chip id is valid */ | |
756 | ||
757 | switch (wl->chip.id) { | |
758 | case CHIP_ID_1271_PG10: | |
759 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", | |
760 | wl->chip.id); | |
761 | ||
762 | ret = wl1271_setup(wl); | |
763 | if (ret < 0) | |
9ccd9217 | 764 | goto out; |
f5fc0f86 LC |
765 | break; |
766 | case CHIP_ID_1271_PG20: | |
767 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", | |
768 | wl->chip.id); | |
769 | ||
770 | ret = wl1271_setup(wl); | |
771 | if (ret < 0) | |
9ccd9217 | 772 | goto out; |
f5fc0f86 LC |
773 | break; |
774 | default: | |
9ccd9217 | 775 | wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
f5fc0f86 | 776 | ret = -ENODEV; |
9ccd9217 | 777 | goto out; |
f5fc0f86 LC |
778 | } |
779 | ||
780 | if (wl->fw == NULL) { | |
781 | ret = wl1271_fetch_firmware(wl); | |
782 | if (ret < 0) | |
9ccd9217 | 783 | goto out; |
f5fc0f86 LC |
784 | } |
785 | ||
786 | /* No NVS from netlink, try to get it from the filesystem */ | |
787 | if (wl->nvs == NULL) { | |
788 | ret = wl1271_fetch_nvs(wl); | |
789 | if (ret < 0) | |
9ccd9217 | 790 | goto out; |
f5fc0f86 LC |
791 | } |
792 | ||
793 | out: | |
794 | return ret; | |
795 | } | |
796 | ||
f5fc0f86 LC |
797 | int wl1271_plt_start(struct wl1271 *wl) |
798 | { | |
9ccd9217 | 799 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
800 | int ret; |
801 | ||
802 | mutex_lock(&wl->mutex); | |
803 | ||
804 | wl1271_notice("power up"); | |
805 | ||
806 | if (wl->state != WL1271_STATE_OFF) { | |
807 | wl1271_error("cannot go into PLT state because not " | |
808 | "in off state: %d", wl->state); | |
809 | ret = -EBUSY; | |
810 | goto out; | |
811 | } | |
812 | ||
9ccd9217 JO |
813 | while (retries) { |
814 | retries--; | |
815 | ret = wl1271_chip_wakeup(wl); | |
816 | if (ret < 0) | |
817 | goto power_off; | |
f5fc0f86 | 818 | |
9ccd9217 JO |
819 | ret = wl1271_boot(wl); |
820 | if (ret < 0) | |
821 | goto power_off; | |
eb5b28d0 | 822 | |
9ccd9217 JO |
823 | ret = wl1271_plt_init(wl); |
824 | if (ret < 0) | |
825 | goto irq_disable; | |
bd5ea18f | 826 | |
9ccd9217 JO |
827 | wl->state = WL1271_STATE_PLT; |
828 | wl1271_notice("firmware booted in PLT mode (%s)", | |
829 | wl->chip.fw_ver); | |
830 | goto out; | |
eb5b28d0 | 831 | |
9ccd9217 JO |
832 | irq_disable: |
833 | wl1271_disable_interrupts(wl); | |
834 | mutex_unlock(&wl->mutex); | |
835 | /* Unlocking the mutex in the middle of handling is | |
836 | inherently unsafe. In this case we deem it safe to do, | |
837 | because we need to let any possibly pending IRQ out of | |
838 | the system (and while we are WL1271_STATE_OFF the IRQ | |
839 | work function will not do anything.) Also, any other | |
840 | possible concurrent operations will fail due to the | |
841 | current state, hence the wl1271 struct should be safe. */ | |
842 | cancel_work_sync(&wl->irq_work); | |
843 | mutex_lock(&wl->mutex); | |
844 | power_off: | |
845 | wl1271_power_off(wl); | |
846 | } | |
f5fc0f86 | 847 | |
9ccd9217 JO |
848 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
849 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
850 | out: |
851 | mutex_unlock(&wl->mutex); | |
852 | ||
853 | return ret; | |
854 | } | |
855 | ||
856 | int wl1271_plt_stop(struct wl1271 *wl) | |
857 | { | |
858 | int ret = 0; | |
859 | ||
860 | mutex_lock(&wl->mutex); | |
861 | ||
862 | wl1271_notice("power down"); | |
863 | ||
864 | if (wl->state != WL1271_STATE_PLT) { | |
865 | wl1271_error("cannot power down because not in PLT " | |
866 | "state: %d", wl->state); | |
867 | ret = -EBUSY; | |
868 | goto out; | |
869 | } | |
870 | ||
871 | wl1271_disable_interrupts(wl); | |
872 | wl1271_power_off(wl); | |
873 | ||
874 | wl->state = WL1271_STATE_OFF; | |
bd5ea18f | 875 | wl->rx_counter = 0; |
f5fc0f86 LC |
876 | |
877 | out: | |
878 | mutex_unlock(&wl->mutex); | |
879 | ||
8c7f4f31 | 880 | cancel_work_sync(&wl->irq_work); |
52b0e7a6 | 881 | cancel_work_sync(&wl->recovery_work); |
8c7f4f31 | 882 | |
f5fc0f86 LC |
883 | return ret; |
884 | } | |
885 | ||
f5fc0f86 LC |
886 | static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
887 | { | |
888 | struct wl1271 *wl = hw->priv; | |
830fb67b JO |
889 | struct ieee80211_conf *conf = &hw->conf; |
890 | struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb); | |
891 | struct ieee80211_sta *sta = txinfo->control.sta; | |
892 | unsigned long flags; | |
f5fc0f86 | 893 | |
18357850 SL |
894 | /* |
895 | * peek into the rates configured in the STA entry. | |
896 | * The rates set after connection stage, The first block only BG sets: | |
897 | * the compare is for bit 0-16 of sta_rate_set. The second block add | |
898 | * HT rates in case of HT supported. | |
899 | */ | |
830fb67b | 900 | spin_lock_irqsave(&wl->wl_lock, flags); |
18357850 SL |
901 | if (sta && |
902 | (sta->supp_rates[conf->channel->band] != | |
903 | (wl->sta_rate_set & HW_BG_RATES_MASK))) { | |
830fb67b JO |
904 | wl->sta_rate_set = sta->supp_rates[conf->channel->band]; |
905 | set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags); | |
906 | } | |
18357850 | 907 | |
00d20100 | 908 | #ifdef CONFIG_WL12XX_HT |
18357850 SL |
909 | if (sta && |
910 | sta->ht_cap.ht_supported && | |
911 | ((wl->sta_rate_set >> HW_HT_RATES_OFFSET) != | |
912 | sta->ht_cap.mcs.rx_mask[0])) { | |
913 | /* Clean MCS bits before setting them */ | |
914 | wl->sta_rate_set &= HW_BG_RATES_MASK; | |
915 | wl->sta_rate_set |= | |
916 | (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET); | |
917 | set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags); | |
918 | } | |
919 | #endif | |
830fb67b JO |
920 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
921 | ||
922 | /* queue the packet */ | |
f5fc0f86 LC |
923 | skb_queue_tail(&wl->tx_queue, skb); |
924 | ||
925 | /* | |
926 | * The chip specific setup must run before the first TX packet - | |
927 | * before that, the tx_work will not be initialized! | |
928 | */ | |
929 | ||
a522550a IY |
930 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) |
931 | ieee80211_queue_work(wl->hw, &wl->tx_work); | |
f5fc0f86 LC |
932 | |
933 | /* | |
934 | * The workqueue is slow to process the tx_queue and we need stop | |
935 | * the queue here, otherwise the queue will get too long. | |
936 | */ | |
06f7bc7d JO |
937 | if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_HIGH_WATERMARK) { |
938 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues"); | |
f5fc0f86 | 939 | |
06f7bc7d JO |
940 | spin_lock_irqsave(&wl->wl_lock, flags); |
941 | ieee80211_stop_queues(wl->hw); | |
71449f8d | 942 | set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); |
06f7bc7d | 943 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
f5fc0f86 LC |
944 | } |
945 | ||
946 | return NETDEV_TX_OK; | |
947 | } | |
948 | ||
c2c192ac JO |
949 | static struct notifier_block wl1271_dev_notifier = { |
950 | .notifier_call = wl1271_dev_notify, | |
951 | }; | |
952 | ||
f5fc0f86 | 953 | static int wl1271_op_start(struct ieee80211_hw *hw) |
1b72aecd JO |
954 | { |
955 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
956 | ||
957 | /* | |
958 | * We have to delay the booting of the hardware because | |
959 | * we need to know the local MAC address before downloading and | |
960 | * initializing the firmware. The MAC address cannot be changed | |
961 | * after boot, and without the proper MAC address, the firmware | |
962 | * will not function properly. | |
963 | * | |
964 | * The MAC address is first known when the corresponding interface | |
965 | * is added. That is where we will initialize the hardware. | |
966 | */ | |
967 | ||
968 | return 0; | |
969 | } | |
970 | ||
971 | static void wl1271_op_stop(struct ieee80211_hw *hw) | |
972 | { | |
973 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
974 | } | |
975 | ||
976 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, | |
977 | struct ieee80211_vif *vif) | |
f5fc0f86 LC |
978 | { |
979 | struct wl1271 *wl = hw->priv; | |
ac01e948 | 980 | struct wiphy *wiphy = hw->wiphy; |
9ccd9217 | 981 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 | 982 | int ret = 0; |
71125abd | 983 | bool booted = false; |
f5fc0f86 | 984 | |
1b72aecd JO |
985 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
986 | vif->type, vif->addr); | |
f5fc0f86 LC |
987 | |
988 | mutex_lock(&wl->mutex); | |
1b72aecd | 989 | if (wl->vif) { |
71125abd EP |
990 | wl1271_debug(DEBUG_MAC80211, |
991 | "multiple vifs are not supported yet"); | |
1b72aecd JO |
992 | ret = -EBUSY; |
993 | goto out; | |
994 | } | |
995 | ||
1b72aecd JO |
996 | switch (vif->type) { |
997 | case NL80211_IFTYPE_STATION: | |
998 | wl->bss_type = BSS_TYPE_STA_BSS; | |
5da11dcd | 999 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
1b72aecd JO |
1000 | break; |
1001 | case NL80211_IFTYPE_ADHOC: | |
1002 | wl->bss_type = BSS_TYPE_IBSS; | |
5da11dcd | 1003 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
1b72aecd JO |
1004 | break; |
1005 | default: | |
1006 | ret = -EOPNOTSUPP; | |
1007 | goto out; | |
1008 | } | |
1009 | ||
1010 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); | |
f5fc0f86 LC |
1011 | |
1012 | if (wl->state != WL1271_STATE_OFF) { | |
1013 | wl1271_error("cannot start because not in off state: %d", | |
1014 | wl->state); | |
1015 | ret = -EBUSY; | |
1016 | goto out; | |
1017 | } | |
1018 | ||
9ccd9217 JO |
1019 | while (retries) { |
1020 | retries--; | |
1021 | ret = wl1271_chip_wakeup(wl); | |
1022 | if (ret < 0) | |
1023 | goto power_off; | |
f5fc0f86 | 1024 | |
9ccd9217 JO |
1025 | ret = wl1271_boot(wl); |
1026 | if (ret < 0) | |
1027 | goto power_off; | |
f5fc0f86 | 1028 | |
9ccd9217 JO |
1029 | ret = wl1271_hw_init(wl); |
1030 | if (ret < 0) | |
1031 | goto irq_disable; | |
f5fc0f86 | 1032 | |
71125abd EP |
1033 | booted = true; |
1034 | break; | |
eb5b28d0 | 1035 | |
9ccd9217 JO |
1036 | irq_disable: |
1037 | wl1271_disable_interrupts(wl); | |
1038 | mutex_unlock(&wl->mutex); | |
1039 | /* Unlocking the mutex in the middle of handling is | |
1040 | inherently unsafe. In this case we deem it safe to do, | |
1041 | because we need to let any possibly pending IRQ out of | |
1042 | the system (and while we are WL1271_STATE_OFF the IRQ | |
1043 | work function will not do anything.) Also, any other | |
1044 | possible concurrent operations will fail due to the | |
1045 | current state, hence the wl1271 struct should be safe. */ | |
1046 | cancel_work_sync(&wl->irq_work); | |
1047 | mutex_lock(&wl->mutex); | |
1048 | power_off: | |
1049 | wl1271_power_off(wl); | |
1050 | } | |
eb5b28d0 | 1051 | |
71125abd EP |
1052 | if (!booted) { |
1053 | wl1271_error("firmware boot failed despite %d retries", | |
1054 | WL1271_BOOT_RETRIES); | |
1055 | goto out; | |
1056 | } | |
1057 | ||
1058 | wl->vif = vif; | |
1059 | wl->state = WL1271_STATE_ON; | |
1060 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver); | |
1061 | ||
1062 | /* update hw/fw version info in wiphy struct */ | |
1063 | wiphy->hw_version = wl->chip.id; | |
1064 | strncpy(wiphy->fw_version, wl->chip.fw_ver, | |
1065 | sizeof(wiphy->fw_version)); | |
1066 | ||
eb5b28d0 | 1067 | out: |
f5fc0f86 LC |
1068 | mutex_unlock(&wl->mutex); |
1069 | ||
eb887dfd | 1070 | if (!ret) |
01c09162 | 1071 | list_add(&wl->list, &wl_list); |
01c09162 | 1072 | |
f5fc0f86 LC |
1073 | return ret; |
1074 | } | |
1075 | ||
52a2a375 | 1076 | static void __wl1271_op_remove_interface(struct wl1271 *wl) |
f5fc0f86 | 1077 | { |
f5fc0f86 LC |
1078 | int i; |
1079 | ||
1b72aecd | 1080 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
f5fc0f86 | 1081 | |
1b72aecd | 1082 | wl1271_info("down"); |
f5fc0f86 | 1083 | |
01c09162 JO |
1084 | list_del(&wl->list); |
1085 | ||
f5fc0f86 LC |
1086 | WARN_ON(wl->state != WL1271_STATE_ON); |
1087 | ||
8d2ef7bd | 1088 | /* enable dyn ps just in case (if left on due to fw crash etc) */ |
9a547bf9 | 1089 | if (wl->bss_type == BSS_TYPE_STA_BSS) |
f532be6d | 1090 | ieee80211_enable_dyn_ps(wl->vif); |
8d2ef7bd | 1091 | |
08688d6b | 1092 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { |
08688d6b LC |
1093 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
1094 | kfree(wl->scan.scanned_ch); | |
1095 | wl->scan.scanned_ch = NULL; | |
b739a42c | 1096 | wl->scan.req = NULL; |
76a029fb | 1097 | ieee80211_scan_completed(wl->hw, true); |
f5fc0f86 LC |
1098 | } |
1099 | ||
1100 | wl->state = WL1271_STATE_OFF; | |
1101 | ||
1102 | wl1271_disable_interrupts(wl); | |
1103 | ||
1104 | mutex_unlock(&wl->mutex); | |
1105 | ||
78abd320 | 1106 | cancel_delayed_work_sync(&wl->scan_complete_work); |
f5fc0f86 LC |
1107 | cancel_work_sync(&wl->irq_work); |
1108 | cancel_work_sync(&wl->tx_work); | |
90494a90 | 1109 | cancel_delayed_work_sync(&wl->pspoll_work); |
8c7f4f31 | 1110 | cancel_delayed_work_sync(&wl->elp_work); |
f5fc0f86 LC |
1111 | |
1112 | mutex_lock(&wl->mutex); | |
1113 | ||
1114 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
781608c4 | 1115 | wl1271_tx_reset(wl); |
f5fc0f86 LC |
1116 | wl1271_power_off(wl); |
1117 | ||
1118 | memset(wl->bssid, 0, ETH_ALEN); | |
1119 | memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); | |
1120 | wl->ssid_len = 0; | |
f5fc0f86 | 1121 | wl->bss_type = MAX_BSS_TYPE; |
5da11dcd | 1122 | wl->set_bss_type = MAX_BSS_TYPE; |
8a5a37a6 | 1123 | wl->band = IEEE80211_BAND_2GHZ; |
f5fc0f86 LC |
1124 | |
1125 | wl->rx_counter = 0; | |
19ad0715 | 1126 | wl->psm_entry_retry = 0; |
f5fc0f86 LC |
1127 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
1128 | wl->tx_blocks_available = 0; | |
1129 | wl->tx_results_count = 0; | |
1130 | wl->tx_packets_count = 0; | |
ac4e4ce5 | 1131 | wl->tx_security_last_seq = 0; |
04e36fc5 | 1132 | wl->tx_security_seq = 0; |
f5fc0f86 LC |
1133 | wl->time_offset = 0; |
1134 | wl->session_counter = 0; | |
830fb67b JO |
1135 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
1136 | wl->sta_rate_set = 0; | |
1137 | wl->flags = 0; | |
1b72aecd | 1138 | wl->vif = NULL; |
14b228a0 | 1139 | wl->filters = 0; |
d6e19d13 | 1140 | |
f5fc0f86 LC |
1141 | for (i = 0; i < NUM_TX_QUEUES; i++) |
1142 | wl->tx_blocks_freed[i] = 0; | |
1143 | ||
1144 | wl1271_debugfs_reset(wl); | |
bd9dc49c JO |
1145 | |
1146 | kfree(wl->fw_status); | |
1147 | wl->fw_status = NULL; | |
1148 | kfree(wl->tx_res_if); | |
1149 | wl->tx_res_if = NULL; | |
1150 | kfree(wl->target_mem_map); | |
1151 | wl->target_mem_map = NULL; | |
52a2a375 | 1152 | } |
bd9dc49c | 1153 | |
52a2a375 JO |
1154 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
1155 | struct ieee80211_vif *vif) | |
1156 | { | |
1157 | struct wl1271 *wl = hw->priv; | |
1158 | ||
1159 | mutex_lock(&wl->mutex); | |
1160 | WARN_ON(wl->vif != vif); | |
1161 | __wl1271_op_remove_interface(wl); | |
f5fc0f86 | 1162 | mutex_unlock(&wl->mutex); |
52b0e7a6 JO |
1163 | |
1164 | cancel_work_sync(&wl->recovery_work); | |
f5fc0f86 LC |
1165 | } |
1166 | ||
14b228a0 JO |
1167 | static void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters) |
1168 | { | |
1169 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
1170 | wl->rx_filter = WL1271_DEFAULT_RX_FILTER; | |
1171 | ||
1172 | /* combine requested filters with current filter config */ | |
1173 | filters = wl->filters | filters; | |
1174 | ||
1175 | wl1271_debug(DEBUG_FILTERS, "RX filters set: "); | |
1176 | ||
1177 | if (filters & FIF_PROMISC_IN_BSS) { | |
1178 | wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS"); | |
1179 | wl->rx_config &= ~CFG_UNI_FILTER_EN; | |
1180 | wl->rx_config |= CFG_BSSID_FILTER_EN; | |
1181 | } | |
1182 | if (filters & FIF_BCN_PRBRESP_PROMISC) { | |
1183 | wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC"); | |
1184 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1185 | wl->rx_config &= ~CFG_SSID_FILTER_EN; | |
1186 | } | |
1187 | if (filters & FIF_OTHER_BSS) { | |
1188 | wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS"); | |
1189 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1190 | } | |
1191 | if (filters & FIF_CONTROL) { | |
1192 | wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL"); | |
1193 | wl->rx_filter |= CFG_RX_CTL_EN; | |
1194 | } | |
1195 | if (filters & FIF_FCSFAIL) { | |
1196 | wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL"); | |
1197 | wl->rx_filter |= CFG_RX_FCS_ERROR; | |
1198 | } | |
1199 | } | |
1200 | ||
82429d32 | 1201 | static int wl1271_dummy_join(struct wl1271 *wl) |
c7f43e45 | 1202 | { |
e0d8bbf0 | 1203 | int ret = 0; |
c7f43e45 LC |
1204 | /* we need to use a dummy BSSID for now */ |
1205 | static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, | |
1206 | 0xad, 0xbe, 0xef }; | |
1207 | ||
c7f43e45 LC |
1208 | memcpy(wl->bssid, dummy_bssid, ETH_ALEN); |
1209 | ||
14b228a0 JO |
1210 | /* pass through frames from all BSS */ |
1211 | wl1271_configure_filters(wl, FIF_OTHER_BSS); | |
1212 | ||
5da11dcd | 1213 | ret = wl1271_cmd_join(wl, wl->set_bss_type); |
c7f43e45 LC |
1214 | if (ret < 0) |
1215 | goto out; | |
1216 | ||
71449f8d | 1217 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 LC |
1218 | |
1219 | out: | |
1220 | return ret; | |
1221 | } | |
1222 | ||
69e5434c | 1223 | static int wl1271_join(struct wl1271 *wl, bool set_assoc) |
82429d32 JO |
1224 | { |
1225 | int ret; | |
1226 | ||
69e5434c JO |
1227 | /* |
1228 | * One of the side effects of the JOIN command is that is clears | |
1229 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated | |
1230 | * to a WPA/WPA2 access point will therefore kill the data-path. | |
1231 | * Currently there is no supported scenario for JOIN during | |
1232 | * association - if it becomes a supported scenario, the WPA/WPA2 keys | |
1233 | * must be handled somehow. | |
1234 | * | |
1235 | */ | |
1236 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
1237 | wl1271_info("JOIN while associated."); | |
1238 | ||
1239 | if (set_assoc) | |
1240 | set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); | |
1241 | ||
82429d32 JO |
1242 | ret = wl1271_cmd_join(wl, wl->set_bss_type); |
1243 | if (ret < 0) | |
1244 | goto out; | |
1245 | ||
1246 | set_bit(WL1271_FLAG_JOINED, &wl->flags); | |
1247 | ||
1248 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
1249 | goto out; | |
1250 | ||
1251 | /* | |
1252 | * The join command disable the keep-alive mode, shut down its process, | |
1253 | * and also clear the template config, so we need to reset it all after | |
1254 | * the join. The acx_aid starts the keep-alive process, and the order | |
1255 | * of the commands below is relevant. | |
1256 | */ | |
1257 | ret = wl1271_acx_keep_alive_mode(wl, true); | |
1258 | if (ret < 0) | |
1259 | goto out; | |
1260 | ||
1261 | ret = wl1271_acx_aid(wl, wl->aid); | |
1262 | if (ret < 0) | |
1263 | goto out; | |
1264 | ||
1265 | ret = wl1271_cmd_build_klv_null_data(wl); | |
1266 | if (ret < 0) | |
1267 | goto out; | |
1268 | ||
1269 | ret = wl1271_acx_keep_alive_config(wl, CMD_TEMPL_KLV_IDX_NULL_DATA, | |
1270 | ACX_KEEP_ALIVE_TPL_VALID); | |
1271 | if (ret < 0) | |
1272 | goto out; | |
1273 | ||
1274 | out: | |
1275 | return ret; | |
1276 | } | |
1277 | ||
1278 | static int wl1271_unjoin(struct wl1271 *wl) | |
c7f43e45 LC |
1279 | { |
1280 | int ret; | |
1281 | ||
1282 | /* to stop listening to a channel, we disconnect */ | |
1283 | ret = wl1271_cmd_disconnect(wl); | |
1284 | if (ret < 0) | |
1285 | goto out; | |
1286 | ||
71449f8d | 1287 | clear_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 | 1288 | memset(wl->bssid, 0, ETH_ALEN); |
14b228a0 JO |
1289 | |
1290 | /* stop filterting packets based on bssid */ | |
1291 | wl1271_configure_filters(wl, FIF_OTHER_BSS); | |
c7f43e45 LC |
1292 | |
1293 | out: | |
1294 | return ret; | |
1295 | } | |
1296 | ||
ebba60c6 JO |
1297 | static void wl1271_set_band_rate(struct wl1271 *wl) |
1298 | { | |
1299 | if (wl->band == IEEE80211_BAND_2GHZ) | |
1300 | wl->basic_rate_set = wl->conf.tx.basic_rate; | |
1301 | else | |
1302 | wl->basic_rate_set = wl->conf.tx.basic_rate_5; | |
1303 | } | |
1304 | ||
1305 | static u32 wl1271_min_rate_get(struct wl1271 *wl) | |
1306 | { | |
1307 | int i; | |
1308 | u32 rate = 0; | |
1309 | ||
1310 | if (!wl->basic_rate_set) { | |
1311 | WARN_ON(1); | |
1312 | wl->basic_rate_set = wl->conf.tx.basic_rate; | |
1313 | } | |
1314 | ||
1315 | for (i = 0; !rate; i++) { | |
1316 | if ((wl->basic_rate_set >> i) & 0x1) | |
1317 | rate = 1 << i; | |
1318 | } | |
1319 | ||
1320 | return rate; | |
1321 | } | |
1322 | ||
0d58cbff JO |
1323 | static int wl1271_handle_idle(struct wl1271 *wl, bool idle) |
1324 | { | |
1325 | int ret; | |
1326 | ||
1327 | if (idle) { | |
1328 | if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { | |
1329 | ret = wl1271_unjoin(wl); | |
1330 | if (ret < 0) | |
1331 | goto out; | |
1332 | } | |
1333 | wl->rate_set = wl1271_min_rate_get(wl); | |
1334 | wl->sta_rate_set = 0; | |
1335 | ret = wl1271_acx_rate_policies(wl); | |
1336 | if (ret < 0) | |
1337 | goto out; | |
1338 | ret = wl1271_acx_keep_alive_config( | |
1339 | wl, CMD_TEMPL_KLV_IDX_NULL_DATA, | |
1340 | ACX_KEEP_ALIVE_TPL_INVALID); | |
1341 | if (ret < 0) | |
1342 | goto out; | |
1343 | set_bit(WL1271_FLAG_IDLE, &wl->flags); | |
1344 | } else { | |
1345 | /* increment the session counter */ | |
1346 | wl->session_counter++; | |
1347 | if (wl->session_counter >= SESSION_COUNTER_MAX) | |
1348 | wl->session_counter = 0; | |
1349 | ret = wl1271_dummy_join(wl); | |
1350 | if (ret < 0) | |
1351 | goto out; | |
1352 | clear_bit(WL1271_FLAG_IDLE, &wl->flags); | |
1353 | } | |
1354 | ||
1355 | out: | |
1356 | return ret; | |
1357 | } | |
1358 | ||
f5fc0f86 LC |
1359 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
1360 | { | |
1361 | struct wl1271 *wl = hw->priv; | |
1362 | struct ieee80211_conf *conf = &hw->conf; | |
1363 | int channel, ret = 0; | |
1364 | ||
1365 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); | |
1366 | ||
c7f43e45 | 1367 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s", |
f5fc0f86 LC |
1368 | channel, |
1369 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", | |
c7f43e45 LC |
1370 | conf->power_level, |
1371 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use"); | |
f5fc0f86 | 1372 | |
781608c4 JO |
1373 | /* |
1374 | * mac80211 will go to idle nearly immediately after transmitting some | |
1375 | * frames, such as the deauth. To make sure those frames reach the air, | |
1376 | * wait here until the TX queue is fully flushed. | |
1377 | */ | |
1378 | if ((changed & IEEE80211_CONF_CHANGE_IDLE) && | |
1379 | (conf->flags & IEEE80211_CONF_IDLE)) | |
1380 | wl1271_tx_flush(wl); | |
1381 | ||
f5fc0f86 LC |
1382 | mutex_lock(&wl->mutex); |
1383 | ||
f8d9802f JO |
1384 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
1385 | ret = -EAGAIN; | |
2c10bb9c | 1386 | goto out; |
f8d9802f | 1387 | } |
8a5a37a6 | 1388 | |
f5fc0f86 LC |
1389 | ret = wl1271_ps_elp_wakeup(wl, false); |
1390 | if (ret < 0) | |
1391 | goto out; | |
1392 | ||
ebba60c6 | 1393 | /* if the channel changes while joined, join again */ |
69e5434c JO |
1394 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL && |
1395 | ((wl->band != conf->channel->band) || | |
1396 | (wl->channel != channel))) { | |
ebba60c6 JO |
1397 | wl->band = conf->channel->band; |
1398 | wl->channel = channel; | |
1399 | ||
1400 | /* | |
1401 | * FIXME: the mac80211 should really provide a fixed rate | |
1402 | * to use here. for now, just use the smallest possible rate | |
1403 | * for the band as a fixed rate for association frames and | |
1404 | * other control messages. | |
1405 | */ | |
1406 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
1407 | wl1271_set_band_rate(wl); | |
1408 | ||
1409 | wl->basic_rate = wl1271_min_rate_get(wl); | |
1410 | ret = wl1271_acx_rate_policies(wl); | |
1411 | if (ret < 0) | |
1412 | wl1271_warning("rate policy for update channel " | |
1413 | "failed %d", ret); | |
1414 | ||
1415 | if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { | |
69e5434c | 1416 | ret = wl1271_join(wl, false); |
ebba60c6 JO |
1417 | if (ret < 0) |
1418 | wl1271_warning("cmd join to update channel " | |
1419 | "failed %d", ret); | |
1420 | } | |
1421 | } | |
1422 | ||
c7f43e45 | 1423 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
0d58cbff JO |
1424 | ret = wl1271_handle_idle(wl, conf->flags & IEEE80211_CONF_IDLE); |
1425 | if (ret < 0) | |
1426 | wl1271_warning("idle mode change failed %d", ret); | |
f5fc0f86 LC |
1427 | } |
1428 | ||
90494a90 JO |
1429 | /* |
1430 | * if mac80211 changes the PSM mode, make sure the mode is not | |
1431 | * incorrectly changed after the pspoll failure active window. | |
1432 | */ | |
1433 | if (changed & IEEE80211_CONF_CHANGE_PS) | |
1434 | clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags); | |
1435 | ||
71449f8d JO |
1436 | if (conf->flags & IEEE80211_CONF_PS && |
1437 | !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { | |
1438 | set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); | |
f5fc0f86 LC |
1439 | |
1440 | /* | |
1441 | * We enter PSM only if we're already associated. | |
1442 | * If we're not, we'll enter it when joining an SSID, | |
1443 | * through the bss_info_changed() hook. | |
1444 | */ | |
830fb67b | 1445 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { |
18f8d468 | 1446 | wl1271_debug(DEBUG_PSM, "psm enabled"); |
d8c42c0c | 1447 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
8eab7b47 | 1448 | wl->basic_rate, true); |
af5e084b | 1449 | } |
f5fc0f86 | 1450 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
71449f8d | 1451 | test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
18f8d468 | 1452 | wl1271_debug(DEBUG_PSM, "psm disabled"); |
f5fc0f86 | 1453 | |
71449f8d | 1454 | clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
f5fc0f86 | 1455 | |
71449f8d | 1456 | if (test_bit(WL1271_FLAG_PSM, &wl->flags)) |
d8c42c0c | 1457 | ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
8eab7b47 | 1458 | wl->basic_rate, true); |
f5fc0f86 LC |
1459 | } |
1460 | ||
1461 | if (conf->power_level != wl->power_level) { | |
1462 | ret = wl1271_acx_tx_power(wl, conf->power_level); | |
1463 | if (ret < 0) | |
c6317a54 | 1464 | goto out_sleep; |
f5fc0f86 LC |
1465 | |
1466 | wl->power_level = conf->power_level; | |
1467 | } | |
1468 | ||
1469 | out_sleep: | |
1470 | wl1271_ps_elp_sleep(wl); | |
1471 | ||
1472 | out: | |
1473 | mutex_unlock(&wl->mutex); | |
1474 | ||
1475 | return ret; | |
1476 | } | |
1477 | ||
b54853f1 JO |
1478 | struct wl1271_filter_params { |
1479 | bool enabled; | |
1480 | int mc_list_length; | |
1481 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
1482 | }; | |
1483 | ||
22bedad3 JP |
1484 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
1485 | struct netdev_hw_addr_list *mc_list) | |
c87dec9f | 1486 | { |
c87dec9f | 1487 | struct wl1271_filter_params *fp; |
22bedad3 | 1488 | struct netdev_hw_addr *ha; |
2c10bb9c | 1489 | struct wl1271 *wl = hw->priv; |
c87dec9f | 1490 | |
2c10bb9c SD |
1491 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
1492 | return 0; | |
c87dec9f | 1493 | |
74441130 | 1494 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
1495 | if (!fp) { |
1496 | wl1271_error("Out of memory setting filters."); | |
1497 | return 0; | |
1498 | } | |
1499 | ||
1500 | /* update multicast filtering parameters */ | |
c87dec9f | 1501 | fp->mc_list_length = 0; |
22bedad3 JP |
1502 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
1503 | fp->enabled = false; | |
1504 | } else { | |
1505 | fp->enabled = true; | |
1506 | netdev_hw_addr_list_for_each(ha, mc_list) { | |
c87dec9f | 1507 | memcpy(fp->mc_list[fp->mc_list_length], |
22bedad3 | 1508 | ha->addr, ETH_ALEN); |
c87dec9f | 1509 | fp->mc_list_length++; |
22bedad3 | 1510 | } |
c87dec9f JO |
1511 | } |
1512 | ||
b54853f1 | 1513 | return (u64)(unsigned long)fp; |
c87dec9f | 1514 | } |
f5fc0f86 | 1515 | |
b54853f1 JO |
1516 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
1517 | FIF_ALLMULTI | \ | |
1518 | FIF_FCSFAIL | \ | |
1519 | FIF_BCN_PRBRESP_PROMISC | \ | |
1520 | FIF_CONTROL | \ | |
1521 | FIF_OTHER_BSS) | |
1522 | ||
f5fc0f86 LC |
1523 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
1524 | unsigned int changed, | |
c87dec9f | 1525 | unsigned int *total, u64 multicast) |
f5fc0f86 | 1526 | { |
b54853f1 | 1527 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 1528 | struct wl1271 *wl = hw->priv; |
b54853f1 | 1529 | int ret; |
f5fc0f86 LC |
1530 | |
1531 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter"); | |
1532 | ||
b54853f1 JO |
1533 | mutex_lock(&wl->mutex); |
1534 | ||
2c10bb9c SD |
1535 | *total &= WL1271_SUPPORTED_FILTERS; |
1536 | changed &= WL1271_SUPPORTED_FILTERS; | |
1537 | ||
1538 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
b54853f1 JO |
1539 | goto out; |
1540 | ||
1541 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1542 | if (ret < 0) | |
1543 | goto out; | |
1544 | ||
f5fc0f86 | 1545 | |
b54853f1 JO |
1546 | if (*total & FIF_ALLMULTI) |
1547 | ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); | |
1548 | else if (fp) | |
1549 | ret = wl1271_acx_group_address_tbl(wl, fp->enabled, | |
1550 | fp->mc_list, | |
1551 | fp->mc_list_length); | |
1552 | if (ret < 0) | |
1553 | goto out_sleep; | |
f5fc0f86 | 1554 | |
b54853f1 JO |
1555 | /* determine, whether supported filter values have changed */ |
1556 | if (changed == 0) | |
1557 | goto out_sleep; | |
c87dec9f | 1558 | |
14b228a0 JO |
1559 | /* configure filters */ |
1560 | wl->filters = *total; | |
1561 | wl1271_configure_filters(wl, 0); | |
1562 | ||
b54853f1 JO |
1563 | /* apply configured filters */ |
1564 | ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter); | |
1565 | if (ret < 0) | |
1566 | goto out_sleep; | |
1567 | ||
1568 | out_sleep: | |
1569 | wl1271_ps_elp_sleep(wl); | |
1570 | ||
1571 | out: | |
1572 | mutex_unlock(&wl->mutex); | |
14b228a0 | 1573 | kfree(fp); |
f5fc0f86 LC |
1574 | } |
1575 | ||
1576 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
1577 | struct ieee80211_vif *vif, | |
1578 | struct ieee80211_sta *sta, | |
1579 | struct ieee80211_key_conf *key_conf) | |
1580 | { | |
1581 | struct wl1271 *wl = hw->priv; | |
1582 | const u8 *addr; | |
1583 | int ret; | |
ac4e4ce5 JO |
1584 | u32 tx_seq_32 = 0; |
1585 | u16 tx_seq_16 = 0; | |
f5fc0f86 LC |
1586 | u8 key_type; |
1587 | ||
1588 | static const u8 bcast_addr[ETH_ALEN] = | |
1589 | { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
1590 | ||
1591 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); | |
1592 | ||
1593 | addr = sta ? sta->addr : bcast_addr; | |
1594 | ||
1595 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); | |
1596 | wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); | |
1597 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", | |
97359d12 | 1598 | key_conf->cipher, key_conf->keyidx, |
f5fc0f86 LC |
1599 | key_conf->keylen, key_conf->flags); |
1600 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
1601 | ||
1602 | if (is_zero_ether_addr(addr)) { | |
1603 | /* We dont support TX only encryption */ | |
1604 | ret = -EOPNOTSUPP; | |
1605 | goto out; | |
1606 | } | |
1607 | ||
1608 | mutex_lock(&wl->mutex); | |
1609 | ||
f8d9802f JO |
1610 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
1611 | ret = -EAGAIN; | |
1612 | goto out_unlock; | |
1613 | } | |
1614 | ||
f5fc0f86 LC |
1615 | ret = wl1271_ps_elp_wakeup(wl, false); |
1616 | if (ret < 0) | |
1617 | goto out_unlock; | |
1618 | ||
97359d12 JB |
1619 | switch (key_conf->cipher) { |
1620 | case WLAN_CIPHER_SUITE_WEP40: | |
1621 | case WLAN_CIPHER_SUITE_WEP104: | |
f5fc0f86 LC |
1622 | key_type = KEY_WEP; |
1623 | ||
1624 | key_conf->hw_key_idx = key_conf->keyidx; | |
1625 | break; | |
97359d12 | 1626 | case WLAN_CIPHER_SUITE_TKIP: |
f5fc0f86 LC |
1627 | key_type = KEY_TKIP; |
1628 | ||
1629 | key_conf->hw_key_idx = key_conf->keyidx; | |
04e36fc5 JO |
1630 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
1631 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
f5fc0f86 | 1632 | break; |
97359d12 | 1633 | case WLAN_CIPHER_SUITE_CCMP: |
f5fc0f86 LC |
1634 | key_type = KEY_AES; |
1635 | ||
1636 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
04e36fc5 JO |
1637 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
1638 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
f5fc0f86 | 1639 | break; |
7a55724e JO |
1640 | case WL1271_CIPHER_SUITE_GEM: |
1641 | key_type = KEY_GEM; | |
1642 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); | |
1643 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
1644 | break; | |
f5fc0f86 | 1645 | default: |
97359d12 | 1646 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
f5fc0f86 LC |
1647 | |
1648 | ret = -EOPNOTSUPP; | |
1649 | goto out_sleep; | |
1650 | } | |
1651 | ||
1652 | switch (cmd) { | |
1653 | case SET_KEY: | |
1654 | ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE, | |
1655 | key_conf->keyidx, key_type, | |
1656 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1657 | addr, tx_seq_32, tx_seq_16); |
f5fc0f86 LC |
1658 | if (ret < 0) { |
1659 | wl1271_error("Could not add or replace key"); | |
1660 | goto out_sleep; | |
1661 | } | |
ee444cf0 JO |
1662 | |
1663 | /* the default WEP key needs to be configured at least once */ | |
1664 | if (key_type == KEY_WEP) { | |
1665 | ret = wl1271_cmd_set_default_wep_key(wl, | |
1666 | wl->default_key); | |
1667 | if (ret < 0) | |
1668 | goto out_sleep; | |
1669 | } | |
f5fc0f86 LC |
1670 | break; |
1671 | ||
1672 | case DISABLE_KEY: | |
fddc7dd7 JO |
1673 | /* The wl1271 does not allow to remove unicast keys - they |
1674 | will be cleared automatically on next CMD_JOIN. Ignore the | |
1675 | request silently, as we dont want the mac80211 to emit | |
1676 | an error message. */ | |
1677 | if (!is_broadcast_ether_addr(addr)) | |
1678 | break; | |
1679 | ||
f5fc0f86 LC |
1680 | ret = wl1271_cmd_set_key(wl, KEY_REMOVE, |
1681 | key_conf->keyidx, key_type, | |
1682 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1683 | addr, 0, 0); |
f5fc0f86 LC |
1684 | if (ret < 0) { |
1685 | wl1271_error("Could not remove key"); | |
1686 | goto out_sleep; | |
1687 | } | |
1688 | break; | |
1689 | ||
1690 | default: | |
1691 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
1692 | ret = -EOPNOTSUPP; | |
f5fc0f86 LC |
1693 | break; |
1694 | } | |
1695 | ||
1696 | out_sleep: | |
1697 | wl1271_ps_elp_sleep(wl); | |
1698 | ||
1699 | out_unlock: | |
1700 | mutex_unlock(&wl->mutex); | |
1701 | ||
1702 | out: | |
1703 | return ret; | |
1704 | } | |
1705 | ||
1706 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, | |
a060bbfe | 1707 | struct ieee80211_vif *vif, |
f5fc0f86 LC |
1708 | struct cfg80211_scan_request *req) |
1709 | { | |
1710 | struct wl1271 *wl = hw->priv; | |
1711 | int ret; | |
1712 | u8 *ssid = NULL; | |
abb0b3bf | 1713 | size_t len = 0; |
f5fc0f86 LC |
1714 | |
1715 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
1716 | ||
1717 | if (req->n_ssids) { | |
1718 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 1719 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
1720 | } |
1721 | ||
1722 | mutex_lock(&wl->mutex); | |
1723 | ||
b739a42c JO |
1724 | if (wl->state == WL1271_STATE_OFF) { |
1725 | /* | |
1726 | * We cannot return -EBUSY here because cfg80211 will expect | |
1727 | * a call to ieee80211_scan_completed if we do - in this case | |
1728 | * there won't be any call. | |
1729 | */ | |
1730 | ret = -EAGAIN; | |
1731 | goto out; | |
1732 | } | |
1733 | ||
f5fc0f86 LC |
1734 | ret = wl1271_ps_elp_wakeup(wl, false); |
1735 | if (ret < 0) | |
1736 | goto out; | |
1737 | ||
5924f89d | 1738 | ret = wl1271_scan(hw->priv, ssid, len, req); |
f5fc0f86 LC |
1739 | |
1740 | wl1271_ps_elp_sleep(wl); | |
1741 | ||
1742 | out: | |
1743 | mutex_unlock(&wl->mutex); | |
1744 | ||
1745 | return ret; | |
1746 | } | |
1747 | ||
1748 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
1749 | { | |
1750 | struct wl1271 *wl = hw->priv; | |
aecb0565 | 1751 | int ret = 0; |
f5fc0f86 LC |
1752 | |
1753 | mutex_lock(&wl->mutex); | |
1754 | ||
f8d9802f JO |
1755 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
1756 | ret = -EAGAIN; | |
aecb0565 | 1757 | goto out; |
f8d9802f | 1758 | } |
aecb0565 | 1759 | |
f5fc0f86 LC |
1760 | ret = wl1271_ps_elp_wakeup(wl, false); |
1761 | if (ret < 0) | |
1762 | goto out; | |
1763 | ||
1764 | ret = wl1271_acx_rts_threshold(wl, (u16) value); | |
1765 | if (ret < 0) | |
1766 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); | |
1767 | ||
1768 | wl1271_ps_elp_sleep(wl); | |
1769 | ||
1770 | out: | |
1771 | mutex_unlock(&wl->mutex); | |
1772 | ||
1773 | return ret; | |
1774 | } | |
1775 | ||
30240fc7 JO |
1776 | static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon) |
1777 | { | |
1778 | u8 *ptr = beacon->data + | |
1779 | offsetof(struct ieee80211_mgmt, u.beacon.variable); | |
1780 | ||
1781 | /* find the location of the ssid in the beacon */ | |
1782 | while (ptr < beacon->data + beacon->len) { | |
1783 | if (ptr[0] == WLAN_EID_SSID) { | |
1784 | wl->ssid_len = ptr[1]; | |
1785 | memcpy(wl->ssid, ptr+2, wl->ssid_len); | |
1786 | return; | |
1787 | } | |
1788 | ptr += ptr[1]; | |
1789 | } | |
1790 | wl1271_error("ad-hoc beacon template has no SSID!\n"); | |
1791 | } | |
1792 | ||
f5fc0f86 LC |
1793 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, |
1794 | struct ieee80211_vif *vif, | |
1795 | struct ieee80211_bss_conf *bss_conf, | |
1796 | u32 changed) | |
1797 | { | |
1798 | enum wl1271_cmd_ps_mode mode; | |
1799 | struct wl1271 *wl = hw->priv; | |
18357850 | 1800 | struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); |
8bf29b0e | 1801 | bool do_join = false; |
69e5434c | 1802 | bool set_assoc = false; |
f5fc0f86 LC |
1803 | int ret; |
1804 | ||
1805 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed"); | |
1806 | ||
1807 | mutex_lock(&wl->mutex); | |
1808 | ||
f8d9802f JO |
1809 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
1810 | goto out; | |
1811 | ||
f5fc0f86 LC |
1812 | ret = wl1271_ps_elp_wakeup(wl, false); |
1813 | if (ret < 0) | |
1814 | goto out; | |
1815 | ||
9ee82d54 | 1816 | if ((changed & BSS_CHANGED_BEACON_INT) && |
60e84c2e JO |
1817 | (wl->bss_type == BSS_TYPE_IBSS)) { |
1818 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon interval updated: %d", | |
1819 | bss_conf->beacon_int); | |
1820 | ||
1821 | wl->beacon_int = bss_conf->beacon_int; | |
1822 | do_join = true; | |
1823 | } | |
1824 | ||
9ee82d54 | 1825 | if ((changed & BSS_CHANGED_BEACON) && |
5da11dcd | 1826 | (wl->bss_type == BSS_TYPE_IBSS)) { |
e0d8bbf0 JO |
1827 | struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); |
1828 | ||
5da11dcd JO |
1829 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon updated"); |
1830 | ||
e0d8bbf0 JO |
1831 | if (beacon) { |
1832 | struct ieee80211_hdr *hdr; | |
30240fc7 JO |
1833 | |
1834 | wl1271_ssid_set(wl, beacon); | |
e0d8bbf0 JO |
1835 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, |
1836 | beacon->data, | |
606c1487 JO |
1837 | beacon->len, 0, |
1838 | wl1271_min_rate_get(wl)); | |
e0d8bbf0 JO |
1839 | |
1840 | if (ret < 0) { | |
1841 | dev_kfree_skb(beacon); | |
1842 | goto out_sleep; | |
1843 | } | |
1844 | ||
1845 | hdr = (struct ieee80211_hdr *) beacon->data; | |
1846 | hdr->frame_control = cpu_to_le16( | |
1847 | IEEE80211_FTYPE_MGMT | | |
1848 | IEEE80211_STYPE_PROBE_RESP); | |
1849 | ||
1850 | ret = wl1271_cmd_template_set(wl, | |
1851 | CMD_TEMPL_PROBE_RESPONSE, | |
1852 | beacon->data, | |
606c1487 JO |
1853 | beacon->len, 0, |
1854 | wl1271_min_rate_get(wl)); | |
e0d8bbf0 JO |
1855 | dev_kfree_skb(beacon); |
1856 | if (ret < 0) | |
1857 | goto out_sleep; | |
8bf29b0e JO |
1858 | |
1859 | /* Need to update the SSID (for filtering etc) */ | |
1860 | do_join = true; | |
e0d8bbf0 JO |
1861 | } |
1862 | } | |
1863 | ||
5da11dcd JO |
1864 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && |
1865 | (wl->bss_type == BSS_TYPE_IBSS)) { | |
1866 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", | |
1867 | bss_conf->enable_beacon ? "enabled" : "disabled"); | |
1868 | ||
1869 | if (bss_conf->enable_beacon) | |
1870 | wl->set_bss_type = BSS_TYPE_IBSS; | |
1871 | else | |
1872 | wl->set_bss_type = BSS_TYPE_STA_BSS; | |
1873 | do_join = true; | |
1874 | } | |
1875 | ||
00236aed JO |
1876 | if (changed & BSS_CHANGED_CQM) { |
1877 | bool enable = false; | |
1878 | if (bss_conf->cqm_rssi_thold) | |
1879 | enable = true; | |
1880 | ret = wl1271_acx_rssi_snr_trigger(wl, enable, | |
1881 | bss_conf->cqm_rssi_thold, | |
1882 | bss_conf->cqm_rssi_hyst); | |
1883 | if (ret < 0) | |
1884 | goto out; | |
1885 | wl->rssi_thold = bss_conf->cqm_rssi_thold; | |
1886 | } | |
1887 | ||
30240fc7 JO |
1888 | if ((changed & BSS_CHANGED_BSSID) && |
1889 | /* | |
1890 | * Now we know the correct bssid, so we send a new join command | |
1891 | * and enable the BSSID filter | |
1892 | */ | |
1893 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { | |
30240fc7 | 1894 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); |
a0cb7be4 | 1895 | |
30240fc7 | 1896 | ret = wl1271_cmd_build_null_data(wl); |
a0cb7be4 | 1897 | if (ret < 0) |
30240fc7 | 1898 | goto out_sleep; |
30240fc7 | 1899 | |
141418c7 | 1900 | ret = wl1271_build_qos_null_data(wl); |
a0cb7be4 | 1901 | if (ret < 0) |
30240fc7 | 1902 | goto out_sleep; |
30240fc7 | 1903 | |
14b228a0 JO |
1904 | /* filter out all packets not from this BSSID */ |
1905 | wl1271_configure_filters(wl, 0); | |
1906 | ||
8bf29b0e JO |
1907 | /* Need to update the BSSID (for filtering etc) */ |
1908 | do_join = true; | |
30240fc7 JO |
1909 | } |
1910 | ||
f5fc0f86 LC |
1911 | if (changed & BSS_CHANGED_ASSOC) { |
1912 | if (bss_conf->assoc) { | |
ebba60c6 | 1913 | u32 rates; |
f5fc0f86 | 1914 | wl->aid = bss_conf->aid; |
69e5434c | 1915 | set_assoc = true; |
f5fc0f86 | 1916 | |
90494a90 JO |
1917 | wl->ps_poll_failures = 0; |
1918 | ||
ebba60c6 JO |
1919 | /* |
1920 | * use basic rates from AP, and determine lowest rate | |
1921 | * to use with control frames. | |
1922 | */ | |
1923 | rates = bss_conf->basic_rates; | |
1924 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, | |
1925 | rates); | |
1926 | wl->basic_rate = wl1271_min_rate_get(wl); | |
1927 | ret = wl1271_acx_rate_policies(wl); | |
1928 | if (ret < 0) | |
1929 | goto out_sleep; | |
1930 | ||
ae751bab LC |
1931 | /* |
1932 | * with wl1271, we don't need to update the | |
1933 | * beacon_int and dtim_period, because the firmware | |
1934 | * updates it by itself when the first beacon is | |
1935 | * received after a join. | |
1936 | */ | |
f5fc0f86 LC |
1937 | ret = wl1271_cmd_build_ps_poll(wl, wl->aid); |
1938 | if (ret < 0) | |
1939 | goto out_sleep; | |
1940 | ||
c2b2d99b JO |
1941 | /* |
1942 | * The SSID is intentionally set to NULL here - the | |
1943 | * firmware will set the probe request with a | |
1944 | * broadcast SSID regardless of what we set in the | |
1945 | * template. | |
1946 | */ | |
1947 | ret = wl1271_cmd_build_probe_req(wl, NULL, 0, | |
1948 | NULL, 0, wl->band); | |
1949 | ||
6ccbb92e JO |
1950 | /* enable the connection monitoring feature */ |
1951 | ret = wl1271_acx_conn_monit_params(wl, true); | |
f5fc0f86 LC |
1952 | if (ret < 0) |
1953 | goto out_sleep; | |
1954 | ||
1955 | /* If we want to go in PSM but we're not there yet */ | |
71449f8d JO |
1956 | if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) && |
1957 | !test_bit(WL1271_FLAG_PSM, &wl->flags)) { | |
f5fc0f86 | 1958 | mode = STATION_POWER_SAVE_MODE; |
65cddbf1 | 1959 | ret = wl1271_ps_set_mode(wl, mode, |
8eab7b47 | 1960 | wl->basic_rate, |
65cddbf1 | 1961 | true); |
f5fc0f86 LC |
1962 | if (ret < 0) |
1963 | goto out_sleep; | |
1964 | } | |
d94cd297 JO |
1965 | } else { |
1966 | /* use defaults when not associated */ | |
c2c192ac | 1967 | clear_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags); |
830fb67b | 1968 | clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
d94cd297 | 1969 | wl->aid = 0; |
6ccbb92e | 1970 | |
8d2ef7bd | 1971 | /* re-enable dynamic ps - just in case */ |
f532be6d | 1972 | ieee80211_enable_dyn_ps(wl->vif); |
8d2ef7bd | 1973 | |
ebba60c6 JO |
1974 | /* revert back to minimum rates for the current band */ |
1975 | wl1271_set_band_rate(wl); | |
1976 | wl->basic_rate = wl1271_min_rate_get(wl); | |
1977 | ret = wl1271_acx_rate_policies(wl); | |
1978 | if (ret < 0) | |
1979 | goto out_sleep; | |
1980 | ||
6ccbb92e JO |
1981 | /* disable connection monitor features */ |
1982 | ret = wl1271_acx_conn_monit_params(wl, false); | |
c1899554 JO |
1983 | |
1984 | /* Disable the keep-alive feature */ | |
1985 | ret = wl1271_acx_keep_alive_mode(wl, false); | |
1986 | ||
6ccbb92e JO |
1987 | if (ret < 0) |
1988 | goto out_sleep; | |
f5fc0f86 | 1989 | } |
d94cd297 | 1990 | |
f5fc0f86 | 1991 | } |
8a5a37a6 | 1992 | |
f5fc0f86 LC |
1993 | if (changed & BSS_CHANGED_ERP_SLOT) { |
1994 | if (bss_conf->use_short_slot) | |
1995 | ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); | |
1996 | else | |
1997 | ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); | |
1998 | if (ret < 0) { | |
1999 | wl1271_warning("Set slot time failed %d", ret); | |
2000 | goto out_sleep; | |
2001 | } | |
2002 | } | |
2003 | ||
2004 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
2005 | if (bss_conf->use_short_preamble) | |
2006 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); | |
2007 | else | |
2008 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); | |
2009 | } | |
2010 | ||
2011 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
2012 | if (bss_conf->use_cts_prot) | |
2013 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); | |
2014 | else | |
2015 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); | |
2016 | if (ret < 0) { | |
2017 | wl1271_warning("Set ctsprotect failed %d", ret); | |
2018 | goto out_sleep; | |
2019 | } | |
2020 | } | |
2021 | ||
18357850 SL |
2022 | /* |
2023 | * Takes care of: New association with HT enable, | |
2024 | * HT information change in beacon. | |
2025 | */ | |
2026 | if (sta && | |
2027 | (changed & BSS_CHANGED_HT) && | |
2028 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { | |
2029 | ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true); | |
2030 | if (ret < 0) { | |
2031 | wl1271_warning("Set ht cap true failed %d", ret); | |
2032 | goto out_sleep; | |
2033 | } | |
2034 | ret = wl1271_acx_set_ht_information(wl, | |
2035 | bss_conf->ht_operation_mode); | |
2036 | if (ret < 0) { | |
2037 | wl1271_warning("Set ht information failed %d", ret); | |
2038 | goto out_sleep; | |
2039 | } | |
2040 | } | |
2041 | /* | |
2042 | * Takes care of: New association without HT, | |
2043 | * Disassociation. | |
2044 | */ | |
2045 | else if (sta && (changed & BSS_CHANGED_ASSOC)) { | |
2046 | ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, false); | |
2047 | if (ret < 0) { | |
2048 | wl1271_warning("Set ht cap false failed %d", ret); | |
2049 | goto out_sleep; | |
2050 | } | |
2051 | } | |
2052 | ||
ca52a5eb JO |
2053 | if (changed & BSS_CHANGED_ARP_FILTER) { |
2054 | __be32 addr = bss_conf->arp_addr_list[0]; | |
2055 | WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); | |
2056 | ||
2057 | if (bss_conf->arp_addr_cnt == 1 && bss_conf->arp_filter_enabled) | |
2058 | ret = wl1271_acx_arp_ip_filter(wl, true, addr); | |
2059 | else | |
2060 | ret = wl1271_acx_arp_ip_filter(wl, false, addr); | |
2061 | ||
2062 | if (ret < 0) | |
2063 | goto out_sleep; | |
2064 | } | |
2065 | ||
8bf29b0e | 2066 | if (do_join) { |
69e5434c | 2067 | ret = wl1271_join(wl, set_assoc); |
8bf29b0e JO |
2068 | if (ret < 0) { |
2069 | wl1271_warning("cmd join failed %d", ret); | |
2070 | goto out_sleep; | |
2071 | } | |
c1899554 JO |
2072 | } |
2073 | ||
f5fc0f86 LC |
2074 | out_sleep: |
2075 | wl1271_ps_elp_sleep(wl); | |
2076 | ||
2077 | out: | |
2078 | mutex_unlock(&wl->mutex); | |
2079 | } | |
2080 | ||
c6999d83 KV |
2081 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, |
2082 | const struct ieee80211_tx_queue_params *params) | |
2083 | { | |
2084 | struct wl1271 *wl = hw->priv; | |
4695dc91 | 2085 | u8 ps_scheme; |
c6999d83 KV |
2086 | int ret; |
2087 | ||
2088 | mutex_lock(&wl->mutex); | |
2089 | ||
2090 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
2091 | ||
f8d9802f JO |
2092 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
2093 | ret = -EAGAIN; | |
2094 | goto out; | |
2095 | } | |
2096 | ||
c82c1dde KV |
2097 | ret = wl1271_ps_elp_wakeup(wl, false); |
2098 | if (ret < 0) | |
2099 | goto out; | |
2100 | ||
b43316db | 2101 | /* the txop is confed in units of 32us by the mac80211, we need us */ |
c6999d83 KV |
2102 | ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue), |
2103 | params->cw_min, params->cw_max, | |
b43316db | 2104 | params->aifs, params->txop << 5); |
c6999d83 | 2105 | if (ret < 0) |
c82c1dde | 2106 | goto out_sleep; |
c6999d83 | 2107 | |
4695dc91 KV |
2108 | if (params->uapsd) |
2109 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; | |
2110 | else | |
2111 | ps_scheme = CONF_PS_SCHEME_LEGACY; | |
2112 | ||
c6999d83 KV |
2113 | ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue), |
2114 | CONF_CHANNEL_TYPE_EDCF, | |
2115 | wl1271_tx_get_queue(queue), | |
4695dc91 | 2116 | ps_scheme, CONF_ACK_POLICY_LEGACY, 0, 0); |
c6999d83 | 2117 | if (ret < 0) |
c82c1dde KV |
2118 | goto out_sleep; |
2119 | ||
2120 | out_sleep: | |
2121 | wl1271_ps_elp_sleep(wl); | |
c6999d83 KV |
2122 | |
2123 | out: | |
2124 | mutex_unlock(&wl->mutex); | |
2125 | ||
2126 | return ret; | |
2127 | } | |
2128 | ||
bbbb538e JO |
2129 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw) |
2130 | { | |
2131 | ||
2132 | struct wl1271 *wl = hw->priv; | |
2133 | u64 mactime = ULLONG_MAX; | |
2134 | int ret; | |
2135 | ||
2136 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); | |
2137 | ||
2138 | mutex_lock(&wl->mutex); | |
2139 | ||
f8d9802f JO |
2140 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
2141 | goto out; | |
2142 | ||
bbbb538e JO |
2143 | ret = wl1271_ps_elp_wakeup(wl, false); |
2144 | if (ret < 0) | |
2145 | goto out; | |
2146 | ||
2147 | ret = wl1271_acx_tsf_info(wl, &mactime); | |
2148 | if (ret < 0) | |
2149 | goto out_sleep; | |
2150 | ||
2151 | out_sleep: | |
2152 | wl1271_ps_elp_sleep(wl); | |
2153 | ||
2154 | out: | |
2155 | mutex_unlock(&wl->mutex); | |
2156 | return mactime; | |
2157 | } | |
f5fc0f86 | 2158 | |
ece550d0 JL |
2159 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
2160 | struct survey_info *survey) | |
2161 | { | |
2162 | struct wl1271 *wl = hw->priv; | |
2163 | struct ieee80211_conf *conf = &hw->conf; | |
b739a42c | 2164 | |
ece550d0 JL |
2165 | if (idx != 0) |
2166 | return -ENOENT; | |
b739a42c | 2167 | |
ece550d0 JL |
2168 | survey->channel = conf->channel; |
2169 | survey->filled = SURVEY_INFO_NOISE_DBM; | |
2170 | survey->noise = wl->noise; | |
b739a42c | 2171 | |
ece550d0 JL |
2172 | return 0; |
2173 | } | |
2174 | ||
f5fc0f86 LC |
2175 | /* can't be const, mac80211 writes to this */ |
2176 | static struct ieee80211_rate wl1271_rates[] = { | |
2177 | { .bitrate = 10, | |
2b60100b JO |
2178 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
2179 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 2180 | { .bitrate = 20, |
2b60100b JO |
2181 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
2182 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
2183 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
2184 | { .bitrate = 55, | |
2b60100b JO |
2185 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
2186 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
2187 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
2188 | { .bitrate = 110, | |
2b60100b JO |
2189 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
2190 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
2191 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
2192 | { .bitrate = 60, | |
2b60100b JO |
2193 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
2194 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 2195 | { .bitrate = 90, |
2b60100b JO |
2196 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
2197 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 2198 | { .bitrate = 120, |
2b60100b JO |
2199 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
2200 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 2201 | { .bitrate = 180, |
2b60100b JO |
2202 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
2203 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 2204 | { .bitrate = 240, |
2b60100b JO |
2205 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
2206 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 2207 | { .bitrate = 360, |
2b60100b JO |
2208 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
2209 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 2210 | { .bitrate = 480, |
2b60100b JO |
2211 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
2212 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 2213 | { .bitrate = 540, |
2b60100b JO |
2214 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
2215 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
2216 | }; |
2217 | ||
fa97f46b | 2218 | /* can't be const, mac80211 writes to this */ |
f5fc0f86 | 2219 | static struct ieee80211_channel wl1271_channels[] = { |
a2d0e3f1 | 2220 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
fa21c7a9 | 2221 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, |
fa97f46b JO |
2222 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, |
2223 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, | |
2224 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, | |
fa21c7a9 | 2225 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, |
fa97f46b JO |
2226 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, |
2227 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, | |
2228 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, | |
fa21c7a9 | 2229 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, |
fa97f46b JO |
2230 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, |
2231 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, | |
2232 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, | |
f5fc0f86 LC |
2233 | }; |
2234 | ||
f876bb9a | 2235 | /* mapping to indexes for wl1271_rates */ |
a0ea9493 | 2236 | static const u8 wl1271_rate_to_idx_2ghz[] = { |
f876bb9a | 2237 | /* MCS rates are used only with 11n */ |
18357850 SL |
2238 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
2239 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ | |
2240 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ | |
2241 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ | |
2242 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ | |
2243 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ | |
2244 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ | |
2245 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ | |
f876bb9a JO |
2246 | |
2247 | 11, /* CONF_HW_RXTX_RATE_54 */ | |
2248 | 10, /* CONF_HW_RXTX_RATE_48 */ | |
2249 | 9, /* CONF_HW_RXTX_RATE_36 */ | |
2250 | 8, /* CONF_HW_RXTX_RATE_24 */ | |
2251 | ||
2252 | /* TI-specific rate */ | |
2253 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ | |
2254 | ||
2255 | 7, /* CONF_HW_RXTX_RATE_18 */ | |
2256 | 6, /* CONF_HW_RXTX_RATE_12 */ | |
2257 | 3, /* CONF_HW_RXTX_RATE_11 */ | |
2258 | 5, /* CONF_HW_RXTX_RATE_9 */ | |
2259 | 4, /* CONF_HW_RXTX_RATE_6 */ | |
2260 | 2, /* CONF_HW_RXTX_RATE_5_5 */ | |
2261 | 1, /* CONF_HW_RXTX_RATE_2 */ | |
2262 | 0 /* CONF_HW_RXTX_RATE_1 */ | |
2263 | }; | |
2264 | ||
e8b03a2b SL |
2265 | /* 11n STA capabilities */ |
2266 | #define HW_RX_HIGHEST_RATE 72 | |
2267 | ||
00d20100 SL |
2268 | #ifdef CONFIG_WL12XX_HT |
2269 | #define WL12XX_HT_CAP { \ | |
e8b03a2b SL |
2270 | .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20, \ |
2271 | .ht_supported = true, \ | |
2272 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, \ | |
2273 | .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, \ | |
2274 | .mcs = { \ | |
2275 | .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, \ | |
2276 | .rx_highest = cpu_to_le16(HW_RX_HIGHEST_RATE), \ | |
2277 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED, \ | |
2278 | }, \ | |
2279 | } | |
18357850 | 2280 | #else |
00d20100 | 2281 | #define WL12XX_HT_CAP { \ |
18357850 SL |
2282 | .ht_supported = false, \ |
2283 | } | |
2284 | #endif | |
e8b03a2b | 2285 | |
f5fc0f86 LC |
2286 | /* can't be const, mac80211 writes to this */ |
2287 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
2288 | .channels = wl1271_channels, | |
2289 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
2290 | .bitrates = wl1271_rates, | |
2291 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
00d20100 | 2292 | .ht_cap = WL12XX_HT_CAP, |
f5fc0f86 LC |
2293 | }; |
2294 | ||
1ebec3d7 TP |
2295 | /* 5 GHz data rates for WL1273 */ |
2296 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
2297 | { .bitrate = 60, | |
2298 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
2299 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
2300 | { .bitrate = 90, | |
2301 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
2302 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
2303 | { .bitrate = 120, | |
2304 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
2305 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
2306 | { .bitrate = 180, | |
2307 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
2308 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
2309 | { .bitrate = 240, | |
2310 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
2311 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
2312 | { .bitrate = 360, | |
2313 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
2314 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
2315 | { .bitrate = 480, | |
2316 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
2317 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
2318 | { .bitrate = 540, | |
2319 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
2320 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
2321 | }; | |
2322 | ||
fa97f46b | 2323 | /* 5 GHz band channels for WL1273 */ |
1ebec3d7 TP |
2324 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
2325 | { .hw_value = 183, .center_freq = 4915}, | |
fa21c7a9 | 2326 | { .hw_value = 184, .center_freq = 4920}, |
fa97f46b JO |
2327 | { .hw_value = 185, .center_freq = 4925}, |
2328 | { .hw_value = 187, .center_freq = 4935}, | |
2329 | { .hw_value = 188, .center_freq = 4940}, | |
fa21c7a9 | 2330 | { .hw_value = 189, .center_freq = 4945}, |
fa21c7a9 | 2331 | { .hw_value = 192, .center_freq = 4960}, |
fa21c7a9 | 2332 | { .hw_value = 196, .center_freq = 4980}, |
fa21c7a9 | 2333 | { .hw_value = 7, .center_freq = 5035}, |
fa97f46b JO |
2334 | { .hw_value = 8, .center_freq = 5040}, |
2335 | { .hw_value = 9, .center_freq = 5045}, | |
2336 | { .hw_value = 11, .center_freq = 5055}, | |
2337 | { .hw_value = 12, .center_freq = 5060}, | |
fa21c7a9 | 2338 | { .hw_value = 16, .center_freq = 5080}, |
fa97f46b JO |
2339 | { .hw_value = 34, .center_freq = 5170}, |
2340 | { .hw_value = 36, .center_freq = 5180}, | |
2341 | { .hw_value = 38, .center_freq = 5190}, | |
2342 | { .hw_value = 40, .center_freq = 5200}, | |
fa21c7a9 | 2343 | { .hw_value = 42, .center_freq = 5210}, |
fa97f46b JO |
2344 | { .hw_value = 44, .center_freq = 5220}, |
2345 | { .hw_value = 46, .center_freq = 5230}, | |
2346 | { .hw_value = 48, .center_freq = 5240}, | |
2347 | { .hw_value = 52, .center_freq = 5260}, | |
fa21c7a9 | 2348 | { .hw_value = 56, .center_freq = 5280}, |
fa97f46b JO |
2349 | { .hw_value = 60, .center_freq = 5300}, |
2350 | { .hw_value = 64, .center_freq = 5320}, | |
2351 | { .hw_value = 100, .center_freq = 5500}, | |
2352 | { .hw_value = 104, .center_freq = 5520}, | |
fa21c7a9 | 2353 | { .hw_value = 108, .center_freq = 5540}, |
fa97f46b JO |
2354 | { .hw_value = 112, .center_freq = 5560}, |
2355 | { .hw_value = 116, .center_freq = 5580}, | |
2356 | { .hw_value = 120, .center_freq = 5600}, | |
2357 | { .hw_value = 124, .center_freq = 5620}, | |
fa21c7a9 | 2358 | { .hw_value = 128, .center_freq = 5640}, |
fa97f46b JO |
2359 | { .hw_value = 132, .center_freq = 5660}, |
2360 | { .hw_value = 136, .center_freq = 5680}, | |
2361 | { .hw_value = 140, .center_freq = 5700}, | |
2362 | { .hw_value = 149, .center_freq = 5745}, | |
fa21c7a9 | 2363 | { .hw_value = 153, .center_freq = 5765}, |
fa97f46b JO |
2364 | { .hw_value = 157, .center_freq = 5785}, |
2365 | { .hw_value = 161, .center_freq = 5805}, | |
1ebec3d7 TP |
2366 | { .hw_value = 165, .center_freq = 5825}, |
2367 | }; | |
2368 | ||
f876bb9a | 2369 | /* mapping to indexes for wl1271_rates_5ghz */ |
a0ea9493 | 2370 | static const u8 wl1271_rate_to_idx_5ghz[] = { |
f876bb9a | 2371 | /* MCS rates are used only with 11n */ |
18357850 SL |
2372 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
2373 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ | |
2374 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ | |
2375 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ | |
2376 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ | |
2377 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ | |
2378 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ | |
2379 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ | |
f876bb9a JO |
2380 | |
2381 | 7, /* CONF_HW_RXTX_RATE_54 */ | |
2382 | 6, /* CONF_HW_RXTX_RATE_48 */ | |
2383 | 5, /* CONF_HW_RXTX_RATE_36 */ | |
2384 | 4, /* CONF_HW_RXTX_RATE_24 */ | |
2385 | ||
2386 | /* TI-specific rate */ | |
2387 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ | |
2388 | ||
2389 | 3, /* CONF_HW_RXTX_RATE_18 */ | |
2390 | 2, /* CONF_HW_RXTX_RATE_12 */ | |
2391 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */ | |
2392 | 1, /* CONF_HW_RXTX_RATE_9 */ | |
2393 | 0, /* CONF_HW_RXTX_RATE_6 */ | |
2394 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */ | |
2395 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */ | |
2396 | CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */ | |
2397 | }; | |
1ebec3d7 TP |
2398 | |
2399 | static struct ieee80211_supported_band wl1271_band_5ghz = { | |
2400 | .channels = wl1271_channels_5ghz, | |
2401 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
2402 | .bitrates = wl1271_rates_5ghz, | |
2403 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
00d20100 | 2404 | .ht_cap = WL12XX_HT_CAP, |
1ebec3d7 TP |
2405 | }; |
2406 | ||
a0ea9493 | 2407 | static const u8 *wl1271_band_rate_to_idx[] = { |
f876bb9a JO |
2408 | [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz, |
2409 | [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz | |
2410 | }; | |
2411 | ||
f5fc0f86 LC |
2412 | static const struct ieee80211_ops wl1271_ops = { |
2413 | .start = wl1271_op_start, | |
2414 | .stop = wl1271_op_stop, | |
2415 | .add_interface = wl1271_op_add_interface, | |
2416 | .remove_interface = wl1271_op_remove_interface, | |
2417 | .config = wl1271_op_config, | |
c87dec9f | 2418 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
2419 | .configure_filter = wl1271_op_configure_filter, |
2420 | .tx = wl1271_op_tx, | |
2421 | .set_key = wl1271_op_set_key, | |
2422 | .hw_scan = wl1271_op_hw_scan, | |
2423 | .bss_info_changed = wl1271_op_bss_info_changed, | |
2424 | .set_rts_threshold = wl1271_op_set_rts_threshold, | |
c6999d83 | 2425 | .conf_tx = wl1271_op_conf_tx, |
bbbb538e | 2426 | .get_tsf = wl1271_op_get_tsf, |
ece550d0 | 2427 | .get_survey = wl1271_op_get_survey, |
c8c90873 | 2428 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
2429 | }; |
2430 | ||
f876bb9a | 2431 | |
6a2de93b | 2432 | u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band) |
f876bb9a JO |
2433 | { |
2434 | u8 idx; | |
2435 | ||
6a2de93b | 2436 | BUG_ON(band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *)); |
f876bb9a JO |
2437 | |
2438 | if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) { | |
2439 | wl1271_error("Illegal RX rate from HW: %d", rate); | |
2440 | return 0; | |
2441 | } | |
2442 | ||
6a2de93b | 2443 | idx = wl1271_band_rate_to_idx[band][rate]; |
f876bb9a JO |
2444 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { |
2445 | wl1271_error("Unsupported RX rate from HW: %d", rate); | |
2446 | return 0; | |
2447 | } | |
2448 | ||
2449 | return idx; | |
2450 | } | |
2451 | ||
7fc3a864 JO |
2452 | static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev, |
2453 | struct device_attribute *attr, | |
2454 | char *buf) | |
2455 | { | |
2456 | struct wl1271 *wl = dev_get_drvdata(dev); | |
2457 | ssize_t len; | |
2458 | ||
2f63b011 | 2459 | len = PAGE_SIZE; |
7fc3a864 JO |
2460 | |
2461 | mutex_lock(&wl->mutex); | |
2462 | len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n", | |
2463 | wl->sg_enabled); | |
2464 | mutex_unlock(&wl->mutex); | |
2465 | ||
2466 | return len; | |
2467 | ||
2468 | } | |
2469 | ||
2470 | static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev, | |
2471 | struct device_attribute *attr, | |
2472 | const char *buf, size_t count) | |
2473 | { | |
2474 | struct wl1271 *wl = dev_get_drvdata(dev); | |
2475 | unsigned long res; | |
2476 | int ret; | |
2477 | ||
2478 | ret = strict_strtoul(buf, 10, &res); | |
2479 | ||
2480 | if (ret < 0) { | |
2481 | wl1271_warning("incorrect value written to bt_coex_mode"); | |
2482 | return count; | |
2483 | } | |
2484 | ||
2485 | mutex_lock(&wl->mutex); | |
2486 | ||
2487 | res = !!res; | |
2488 | ||
2489 | if (res == wl->sg_enabled) | |
2490 | goto out; | |
2491 | ||
2492 | wl->sg_enabled = res; | |
2493 | ||
2494 | if (wl->state == WL1271_STATE_OFF) | |
2495 | goto out; | |
2496 | ||
2497 | ret = wl1271_ps_elp_wakeup(wl, false); | |
2498 | if (ret < 0) | |
2499 | goto out; | |
2500 | ||
2501 | wl1271_acx_sg_enable(wl, wl->sg_enabled); | |
2502 | wl1271_ps_elp_sleep(wl); | |
2503 | ||
2504 | out: | |
2505 | mutex_unlock(&wl->mutex); | |
2506 | return count; | |
2507 | } | |
2508 | ||
2509 | static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR, | |
2510 | wl1271_sysfs_show_bt_coex_state, | |
2511 | wl1271_sysfs_store_bt_coex_state); | |
2512 | ||
d717fd61 JO |
2513 | static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, |
2514 | struct device_attribute *attr, | |
2515 | char *buf) | |
2516 | { | |
2517 | struct wl1271 *wl = dev_get_drvdata(dev); | |
2518 | ssize_t len; | |
2519 | ||
2f63b011 | 2520 | len = PAGE_SIZE; |
d717fd61 JO |
2521 | |
2522 | mutex_lock(&wl->mutex); | |
2523 | if (wl->hw_pg_ver >= 0) | |
2524 | len = snprintf(buf, len, "%d\n", wl->hw_pg_ver); | |
2525 | else | |
2526 | len = snprintf(buf, len, "n/a\n"); | |
2527 | mutex_unlock(&wl->mutex); | |
2528 | ||
2529 | return len; | |
2530 | } | |
2531 | ||
2532 | static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR, | |
2533 | wl1271_sysfs_show_hw_pg_ver, NULL); | |
2534 | ||
2d5e82b8 | 2535 | int wl1271_register_hw(struct wl1271 *wl) |
f5fc0f86 LC |
2536 | { |
2537 | int ret; | |
2538 | ||
2539 | if (wl->mac80211_registered) | |
2540 | return 0; | |
2541 | ||
2542 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); | |
2543 | ||
2544 | ret = ieee80211_register_hw(wl->hw); | |
2545 | if (ret < 0) { | |
2546 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
2547 | return ret; | |
2548 | } | |
2549 | ||
2550 | wl->mac80211_registered = true; | |
2551 | ||
c2c192ac JO |
2552 | register_netdevice_notifier(&wl1271_dev_notifier); |
2553 | ||
f5fc0f86 LC |
2554 | wl1271_notice("loaded"); |
2555 | ||
2556 | return 0; | |
2557 | } | |
50b3eb4b | 2558 | EXPORT_SYMBOL_GPL(wl1271_register_hw); |
f5fc0f86 | 2559 | |
3b56dd6a TP |
2560 | void wl1271_unregister_hw(struct wl1271 *wl) |
2561 | { | |
c2c192ac | 2562 | unregister_netdevice_notifier(&wl1271_dev_notifier); |
3b56dd6a TP |
2563 | ieee80211_unregister_hw(wl->hw); |
2564 | wl->mac80211_registered = false; | |
2565 | ||
2566 | } | |
2567 | EXPORT_SYMBOL_GPL(wl1271_unregister_hw); | |
2568 | ||
2d5e82b8 | 2569 | int wl1271_init_ieee80211(struct wl1271 *wl) |
f5fc0f86 | 2570 | { |
7a55724e JO |
2571 | static const u32 cipher_suites[] = { |
2572 | WLAN_CIPHER_SUITE_WEP40, | |
2573 | WLAN_CIPHER_SUITE_WEP104, | |
2574 | WLAN_CIPHER_SUITE_TKIP, | |
2575 | WLAN_CIPHER_SUITE_CCMP, | |
2576 | WL1271_CIPHER_SUITE_GEM, | |
2577 | }; | |
2578 | ||
1e2b7976 JO |
2579 | /* The tx descriptor buffer and the TKIP space. */ |
2580 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + | |
2581 | sizeof(struct wl1271_tx_hw_descr); | |
f5fc0f86 LC |
2582 | |
2583 | /* unit us */ | |
2584 | /* FIXME: find a proper value */ | |
2585 | wl->hw->channel_change_time = 10000; | |
50c500ad | 2586 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
f5fc0f86 LC |
2587 | |
2588 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
03442a33 | 2589 | IEEE80211_HW_BEACON_FILTER | |
0a34332f | 2590 | IEEE80211_HW_SUPPORTS_PS | |
4695dc91 | 2591 | IEEE80211_HW_SUPPORTS_UAPSD | |
a9af092b | 2592 | IEEE80211_HW_HAS_RATE_CONTROL | |
00236aed JO |
2593 | IEEE80211_HW_CONNECTION_MONITOR | |
2594 | IEEE80211_HW_SUPPORTS_CQM_RSSI; | |
f5fc0f86 | 2595 | |
7a55724e JO |
2596 | wl->hw->wiphy->cipher_suites = cipher_suites; |
2597 | wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
2598 | ||
e0d8bbf0 JO |
2599 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
2600 | BIT(NL80211_IFTYPE_ADHOC); | |
f5fc0f86 LC |
2601 | wl->hw->wiphy->max_scan_ssids = 1; |
2602 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz; | |
11eb5429 | 2603 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz; |
1ebec3d7 | 2604 | |
12bd8949 | 2605 | wl->hw->queues = 4; |
31627dc5 | 2606 | wl->hw->max_rates = 1; |
12bd8949 | 2607 | |
b7417d93 JO |
2608 | wl->hw->wiphy->reg_notifier = wl1271_reg_notify; |
2609 | ||
8197b711 | 2610 | SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
2611 | |
2612 | return 0; | |
2613 | } | |
50b3eb4b | 2614 | EXPORT_SYMBOL_GPL(wl1271_init_ieee80211); |
f5fc0f86 | 2615 | |
f5fc0f86 | 2616 | #define WL1271_DEFAULT_CHANNEL 0 |
c332a4b8 | 2617 | |
2d5e82b8 | 2618 | struct ieee80211_hw *wl1271_alloc_hw(void) |
f5fc0f86 | 2619 | { |
f5fc0f86 | 2620 | struct ieee80211_hw *hw; |
3b56dd6a | 2621 | struct platform_device *plat_dev = NULL; |
f5fc0f86 | 2622 | struct wl1271 *wl; |
a1dd8187 | 2623 | int i, ret; |
1f37cbc9 | 2624 | unsigned int order; |
f5fc0f86 LC |
2625 | |
2626 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
2627 | if (!hw) { | |
2628 | wl1271_error("could not alloc ieee80211_hw"); | |
a1dd8187 | 2629 | ret = -ENOMEM; |
3b56dd6a TP |
2630 | goto err_hw_alloc; |
2631 | } | |
2632 | ||
929ebd30 | 2633 | plat_dev = kmemdup(&wl1271_device, sizeof(wl1271_device), GFP_KERNEL); |
3b56dd6a TP |
2634 | if (!plat_dev) { |
2635 | wl1271_error("could not allocate platform_device"); | |
2636 | ret = -ENOMEM; | |
2637 | goto err_plat_alloc; | |
f5fc0f86 LC |
2638 | } |
2639 | ||
2640 | wl = hw->priv; | |
2641 | memset(wl, 0, sizeof(*wl)); | |
2642 | ||
01c09162 JO |
2643 | INIT_LIST_HEAD(&wl->list); |
2644 | ||
f5fc0f86 | 2645 | wl->hw = hw; |
3b56dd6a | 2646 | wl->plat_dev = plat_dev; |
f5fc0f86 LC |
2647 | |
2648 | skb_queue_head_init(&wl->tx_queue); | |
2649 | ||
37b70a81 | 2650 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
90494a90 | 2651 | INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work); |
117b38d0 JO |
2652 | INIT_WORK(&wl->irq_work, wl1271_irq_work); |
2653 | INIT_WORK(&wl->tx_work, wl1271_tx_work); | |
2654 | INIT_WORK(&wl->recovery_work, wl1271_recovery_work); | |
2655 | INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); | |
f5fc0f86 | 2656 | wl->channel = WL1271_DEFAULT_CHANNEL; |
60e84c2e | 2657 | wl->beacon_int = WL1271_DEFAULT_BEACON_INT; |
f5fc0f86 | 2658 | wl->default_key = 0; |
f5fc0f86 LC |
2659 | wl->rx_counter = 0; |
2660 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
2661 | wl->rx_filter = WL1271_DEFAULT_RX_FILTER; | |
19ad0715 | 2662 | wl->psm_entry_retry = 0; |
f5fc0f86 | 2663 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
a6fe2313 | 2664 | wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
ebba60c6 | 2665 | wl->basic_rate = CONF_TX_RATE_MASK_BASIC; |
830fb67b JO |
2666 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
2667 | wl->sta_rate_set = 0; | |
8a5a37a6 | 2668 | wl->band = IEEE80211_BAND_2GHZ; |
b771eee5 | 2669 | wl->vif = NULL; |
830fb67b | 2670 | wl->flags = 0; |
7fc3a864 | 2671 | wl->sg_enabled = true; |
d717fd61 | 2672 | wl->hw_pg_ver = -1; |
f5fc0f86 | 2673 | |
25eeb9e3 | 2674 | memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); |
be7078c2 | 2675 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
f5fc0f86 LC |
2676 | wl->tx_frames[i] = NULL; |
2677 | ||
2678 | spin_lock_init(&wl->wl_lock); | |
2679 | ||
f5fc0f86 LC |
2680 | wl->state = WL1271_STATE_OFF; |
2681 | mutex_init(&wl->mutex); | |
2682 | ||
c332a4b8 TP |
2683 | /* Apply default driver configuration. */ |
2684 | wl1271_conf_init(wl); | |
2685 | ||
2d5e82b8 TP |
2686 | wl1271_debugfs_init(wl); |
2687 | ||
1f37cbc9 IY |
2688 | order = get_order(WL1271_AGGR_BUFFER_SIZE); |
2689 | wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); | |
2690 | if (!wl->aggr_buf) { | |
2691 | ret = -ENOMEM; | |
2692 | goto err_hw; | |
2693 | } | |
2694 | ||
a1dd8187 | 2695 | /* Register platform device */ |
3b56dd6a | 2696 | ret = platform_device_register(wl->plat_dev); |
a1dd8187 JO |
2697 | if (ret) { |
2698 | wl1271_error("couldn't register platform device"); | |
1f37cbc9 | 2699 | goto err_aggr; |
a1dd8187 | 2700 | } |
3b56dd6a | 2701 | dev_set_drvdata(&wl->plat_dev->dev, wl); |
a1dd8187 | 2702 | |
7fc3a864 | 2703 | /* Create sysfs file to control bt coex state */ |
3b56dd6a | 2704 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); |
7fc3a864 JO |
2705 | if (ret < 0) { |
2706 | wl1271_error("failed to create sysfs file bt_coex_state"); | |
2707 | goto err_platform; | |
2708 | } | |
a1dd8187 | 2709 | |
d717fd61 JO |
2710 | /* Create sysfs file to get HW PG version */ |
2711 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); | |
2712 | if (ret < 0) { | |
2713 | wl1271_error("failed to create sysfs file hw_pg_ver"); | |
2714 | goto err_bt_coex_state; | |
2715 | } | |
2716 | ||
c332a4b8 | 2717 | return hw; |
a1dd8187 | 2718 | |
d717fd61 JO |
2719 | err_bt_coex_state: |
2720 | device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); | |
2721 | ||
7fc3a864 | 2722 | err_platform: |
3b56dd6a | 2723 | platform_device_unregister(wl->plat_dev); |
7fc3a864 | 2724 | |
1f37cbc9 IY |
2725 | err_aggr: |
2726 | free_pages((unsigned long)wl->aggr_buf, order); | |
2727 | ||
a1dd8187 | 2728 | err_hw: |
3b56dd6a TP |
2729 | wl1271_debugfs_exit(wl); |
2730 | kfree(plat_dev); | |
2731 | ||
2732 | err_plat_alloc: | |
2733 | ieee80211_free_hw(hw); | |
2734 | ||
2735 | err_hw_alloc: | |
a1dd8187 | 2736 | |
a1dd8187 | 2737 | return ERR_PTR(ret); |
c332a4b8 | 2738 | } |
50b3eb4b | 2739 | EXPORT_SYMBOL_GPL(wl1271_alloc_hw); |
c332a4b8 TP |
2740 | |
2741 | int wl1271_free_hw(struct wl1271 *wl) | |
2742 | { | |
3b56dd6a | 2743 | platform_device_unregister(wl->plat_dev); |
1f37cbc9 IY |
2744 | free_pages((unsigned long)wl->aggr_buf, |
2745 | get_order(WL1271_AGGR_BUFFER_SIZE)); | |
3b56dd6a | 2746 | kfree(wl->plat_dev); |
c332a4b8 TP |
2747 | |
2748 | wl1271_debugfs_exit(wl); | |
2749 | ||
c332a4b8 TP |
2750 | vfree(wl->fw); |
2751 | wl->fw = NULL; | |
2752 | kfree(wl->nvs); | |
2753 | wl->nvs = NULL; | |
2754 | ||
2755 | kfree(wl->fw_status); | |
2756 | kfree(wl->tx_res_if); | |
2757 | ||
2758 | ieee80211_free_hw(wl->hw); | |
2759 | ||
2760 | return 0; | |
2761 | } | |
50b3eb4b TP |
2762 | EXPORT_SYMBOL_GPL(wl1271_free_hw); |
2763 | ||
2764 | MODULE_LICENSE("GPL"); | |
2765 | MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); | |
2766 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |