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> |
01c09162 | 31 | #include <linux/inetdevice.h> |
a1dd8187 | 32 | #include <linux/platform_device.h> |
f5fc0f86 LC |
33 | |
34 | #include "wl1271.h" | |
35 | #include "wl12xx_80211.h" | |
36 | #include "wl1271_reg.h" | |
7b048c52 | 37 | #include "wl1271_io.h" |
f5fc0f86 LC |
38 | #include "wl1271_event.h" |
39 | #include "wl1271_tx.h" | |
40 | #include "wl1271_rx.h" | |
41 | #include "wl1271_ps.h" | |
42 | #include "wl1271_init.h" | |
43 | #include "wl1271_debugfs.h" | |
44 | #include "wl1271_cmd.h" | |
45 | #include "wl1271_boot.h" | |
c8c90873 | 46 | #include "wl1271_testmode.h" |
f5fc0f86 | 47 | |
9ccd9217 JO |
48 | #define WL1271_BOOT_RETRIES 3 |
49 | ||
8a08048a JO |
50 | static struct conf_drv_settings default_conf = { |
51 | .sg = { | |
1b00f546 JO |
52 | .params = { |
53 | [CONF_SG_BT_PER_THRESHOLD] = 7500, | |
54 | [CONF_SG_HV3_MAX_OVERRIDE] = 0, | |
55 | [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400, | |
56 | [CONF_SG_BT_LOAD_RATIO] = 50, | |
57 | [CONF_SG_AUTO_PS_MODE] = 0, | |
58 | [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, | |
59 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, | |
60 | [CONF_SG_ANTENNA_CONFIGURATION] = 0, | |
61 | [CONF_SG_BEACON_MISS_PERCENT] = 60, | |
62 | [CONF_SG_RATE_ADAPT_THRESH] = 12, | |
63 | [CONF_SG_RATE_ADAPT_SNR] = 0, | |
64 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10, | |
65 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 30, | |
66 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 8, | |
67 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20, | |
68 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 50, | |
69 | /* Note: with UPSD, this should be 4 */ | |
70 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 8, | |
71 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7, | |
72 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25, | |
73 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 20, | |
74 | /* Note: with UPDS, this should be 15 */ | |
75 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8, | |
76 | /* Note: with UPDS, this should be 50 */ | |
77 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 40, | |
78 | /* Note: with UPDS, this should be 10 */ | |
79 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 20, | |
80 | [CONF_SG_RXT] = 1200, | |
81 | [CONF_SG_TXT] = 1000, | |
82 | [CONF_SG_ADAPTIVE_RXT_TXT] = 1, | |
83 | [CONF_SG_PS_POLL_TIMEOUT] = 10, | |
84 | [CONF_SG_UPSD_TIMEOUT] = 10, | |
85 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7, | |
86 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15, | |
87 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15, | |
88 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8, | |
89 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20, | |
90 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15, | |
91 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20, | |
92 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50, | |
93 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10, | |
94 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, | |
95 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800, | |
96 | [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75, | |
97 | [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15, | |
98 | [CONF_SG_HV3_MAX_SERVED] = 6, | |
99 | [CONF_SG_DHCP_TIME] = 5000, | |
100 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, | |
101 | }, | |
102 | .state = CONF_SG_PROTECTIVE, | |
8a08048a JO |
103 | }, |
104 | .rx = { | |
105 | .rx_msdu_life_time = 512000, | |
106 | .packet_detection_threshold = 0, | |
107 | .ps_poll_timeout = 15, | |
108 | .upsd_timeout = 15, | |
109 | .rts_threshold = 2347, | |
3ed8f2c6 LC |
110 | .rx_cca_threshold = 0, |
111 | .irq_blk_threshold = 0xFFFF, | |
112 | .irq_pkt_threshold = 0, | |
113 | .irq_timeout = 600, | |
8a08048a JO |
114 | .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, |
115 | }, | |
116 | .tx = { | |
117 | .tx_energy_detection = 0, | |
118 | .rc_conf = { | |
ebba60c6 | 119 | .enabled_rates = 0, |
8a08048a JO |
120 | .short_retry_limit = 10, |
121 | .long_retry_limit = 10, | |
122 | .aflags = 0 | |
45b531a8 | 123 | }, |
8a08048a JO |
124 | .ac_conf_count = 4, |
125 | .ac_conf = { | |
126 | [0] = { | |
127 | .ac = CONF_TX_AC_BE, | |
128 | .cw_min = 15, | |
129 | .cw_max = 63, | |
130 | .aifsn = 3, | |
131 | .tx_op_limit = 0, | |
45b531a8 | 132 | }, |
8a08048a JO |
133 | [1] = { |
134 | .ac = CONF_TX_AC_BK, | |
135 | .cw_min = 15, | |
136 | .cw_max = 63, | |
137 | .aifsn = 7, | |
138 | .tx_op_limit = 0, | |
45b531a8 | 139 | }, |
8a08048a JO |
140 | [2] = { |
141 | .ac = CONF_TX_AC_VI, | |
142 | .cw_min = 15, | |
143 | .cw_max = 63, | |
144 | .aifsn = CONF_TX_AIFS_PIFS, | |
145 | .tx_op_limit = 3008, | |
146 | }, | |
147 | [3] = { | |
148 | .ac = CONF_TX_AC_VO, | |
149 | .cw_min = 15, | |
150 | .cw_max = 63, | |
151 | .aifsn = CONF_TX_AIFS_PIFS, | |
152 | .tx_op_limit = 1504, | |
45b531a8 | 153 | }, |
51f2be24 | 154 | }, |
8a08048a JO |
155 | .tid_conf_count = 7, |
156 | .tid_conf = { | |
157 | [0] = { | |
158 | .queue_id = 0, | |
159 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
160 | .tsid = CONF_TX_AC_BE, | |
161 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
162 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
163 | .apsd_conf = {0, 0}, | |
164 | }, | |
165 | [1] = { | |
166 | .queue_id = 1, | |
167 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
168 | .tsid = CONF_TX_AC_BE, | |
169 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
170 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
171 | .apsd_conf = {0, 0}, | |
51f2be24 | 172 | }, |
8a08048a JO |
173 | [2] = { |
174 | .queue_id = 2, | |
175 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
176 | .tsid = CONF_TX_AC_BE, | |
177 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
178 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
179 | .apsd_conf = {0, 0}, | |
51f2be24 | 180 | }, |
8a08048a JO |
181 | [3] = { |
182 | .queue_id = 3, | |
183 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
184 | .tsid = CONF_TX_AC_BE, | |
185 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
186 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
187 | .apsd_conf = {0, 0}, | |
188 | }, | |
189 | [4] = { | |
190 | .queue_id = 4, | |
191 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
192 | .tsid = CONF_TX_AC_BE, | |
193 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
194 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
195 | .apsd_conf = {0, 0}, | |
196 | }, | |
197 | [5] = { | |
198 | .queue_id = 5, | |
199 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
200 | .tsid = CONF_TX_AC_BE, | |
201 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
202 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
203 | .apsd_conf = {0, 0}, | |
204 | }, | |
205 | [6] = { | |
206 | .queue_id = 6, | |
207 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
208 | .tsid = CONF_TX_AC_BE, | |
209 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
210 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
211 | .apsd_conf = {0, 0}, | |
212 | } | |
213 | }, | |
214 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, | |
3ed8f2c6 | 215 | .tx_compl_timeout = 700, |
ebba60c6 JO |
216 | .tx_compl_threshold = 4, |
217 | .basic_rate = CONF_HW_BIT_RATE_1MBPS, | |
218 | .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS, | |
8a08048a JO |
219 | }, |
220 | .conn = { | |
221 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, | |
222 | .listen_interval = 0, | |
223 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, | |
224 | .bcn_filt_ie_count = 1, | |
225 | .bcn_filt_ie = { | |
226 | [0] = { | |
227 | .ie = WLAN_EID_CHANNEL_SWITCH, | |
228 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, | |
51f2be24 | 229 | } |
47fab7d5 | 230 | }, |
3ed8f2c6 | 231 | .synch_fail_thold = 10, |
8a08048a JO |
232 | .bss_lose_timeout = 100, |
233 | .beacon_rx_timeout = 10000, | |
234 | .broadcast_timeout = 20000, | |
235 | .rx_broadcast_in_ps = 1, | |
3ed8f2c6 | 236 | .ps_poll_threshold = 20, |
8a08048a JO |
237 | .sig_trigger_count = 2, |
238 | .sig_trigger = { | |
239 | [0] = { | |
240 | .threshold = -75, | |
241 | .pacing = 500, | |
242 | .metric = CONF_TRIG_METRIC_RSSI_BEACON, | |
243 | .type = CONF_TRIG_EVENT_TYPE_EDGE, | |
244 | .direction = CONF_TRIG_EVENT_DIR_LOW, | |
245 | .hysteresis = 2, | |
246 | .index = 0, | |
247 | .enable = 1 | |
47fab7d5 | 248 | }, |
8a08048a JO |
249 | [1] = { |
250 | .threshold = -75, | |
251 | .pacing = 500, | |
252 | .metric = CONF_TRIG_METRIC_RSSI_BEACON, | |
253 | .type = CONF_TRIG_EVENT_TYPE_EDGE, | |
254 | .direction = CONF_TRIG_EVENT_DIR_HIGH, | |
255 | .hysteresis = 2, | |
256 | .index = 1, | |
257 | .enable = 1 | |
258 | } | |
259 | }, | |
260 | .sig_weights = { | |
261 | .rssi_bcn_avg_weight = 10, | |
262 | .rssi_pkt_avg_weight = 10, | |
263 | .snr_bcn_avg_weight = 10, | |
264 | .snr_pkt_avg_weight = 10 | |
11f70f97 JO |
265 | }, |
266 | .bet_enable = CONF_BET_MODE_ENABLE, | |
84502563 | 267 | .bet_max_consecutive = 10, |
c1899554 JO |
268 | .psm_entry_retries = 3, |
269 | .keep_alive_interval = 55000 | |
8a08048a JO |
270 | }, |
271 | .init = { | |
8a08048a | 272 | .radioparam = { |
152ee6e0 | 273 | .fem = 1, |
2b60100b | 274 | } |
6e92b416 LC |
275 | }, |
276 | .itrim = { | |
277 | .enable = false, | |
278 | .timeout = 50000, | |
38ad2d87 JO |
279 | }, |
280 | .pm_config = { | |
281 | .host_clk_settling_time = 5000, | |
282 | .host_fast_wakeup_support = false | |
8a08048a JO |
283 | } |
284 | }; | |
285 | ||
a1dd8187 JO |
286 | static void wl1271_device_release(struct device *dev) |
287 | { | |
288 | ||
289 | } | |
290 | ||
291 | static struct platform_device wl1271_device = { | |
292 | .name = "wl1271", | |
293 | .id = -1, | |
294 | ||
295 | /* device model insists to have a release function */ | |
296 | .dev = { | |
297 | .release = wl1271_device_release, | |
298 | }, | |
299 | }; | |
300 | ||
01c09162 JO |
301 | static LIST_HEAD(wl_list); |
302 | ||
8a08048a JO |
303 | static void wl1271_conf_init(struct wl1271 *wl) |
304 | { | |
2b60100b JO |
305 | |
306 | /* | |
307 | * This function applies the default configuration to the driver. This | |
308 | * function is invoked upon driver load (spi probe.) | |
309 | * | |
310 | * The configuration is stored in a run-time structure in order to | |
311 | * facilitate for run-time adjustment of any of the parameters. Making | |
312 | * changes to the configuration structure will apply the new values on | |
313 | * the next interface up (wl1271_op_start.) | |
314 | */ | |
315 | ||
316 | /* apply driver default configuration */ | |
8a08048a | 317 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
2b60100b JO |
318 | } |
319 | ||
320 | ||
f5fc0f86 LC |
321 | static int wl1271_plt_init(struct wl1271 *wl) |
322 | { | |
12419cce LC |
323 | struct conf_tx_ac_category *conf_ac; |
324 | struct conf_tx_tid *conf_tid; | |
325 | int ret, i; | |
f5fc0f86 | 326 | |
98b5dd5d | 327 | ret = wl1271_cmd_general_parms(wl); |
4a90406b | 328 | if (ret < 0) |
cc7defa3 LC |
329 | return ret; |
330 | ||
98b5dd5d | 331 | ret = wl1271_cmd_radio_parms(wl); |
4a90406b | 332 | if (ret < 0) |
cc7defa3 LC |
333 | return ret; |
334 | ||
12419cce LC |
335 | ret = wl1271_init_templates_config(wl); |
336 | if (ret < 0) | |
337 | return ret; | |
338 | ||
f5fc0f86 LC |
339 | ret = wl1271_acx_init_mem_config(wl); |
340 | if (ret < 0) | |
341 | return ret; | |
342 | ||
12419cce LC |
343 | /* PHY layer config */ |
344 | ret = wl1271_init_phy_config(wl); | |
345 | if (ret < 0) | |
346 | goto out_free_memmap; | |
347 | ||
348 | ret = wl1271_acx_dco_itrim_params(wl); | |
349 | if (ret < 0) | |
350 | goto out_free_memmap; | |
351 | ||
352 | /* Initialize connection monitoring thresholds */ | |
6ccbb92e | 353 | ret = wl1271_acx_conn_monit_params(wl, false); |
12419cce LC |
354 | if (ret < 0) |
355 | goto out_free_memmap; | |
356 | ||
357 | /* Bluetooth WLAN coexistence */ | |
358 | ret = wl1271_init_pta(wl); | |
359 | if (ret < 0) | |
360 | goto out_free_memmap; | |
361 | ||
362 | /* Energy detection */ | |
363 | ret = wl1271_init_energy_detection(wl); | |
364 | if (ret < 0) | |
365 | goto out_free_memmap; | |
366 | ||
367 | /* Default fragmentation threshold */ | |
368 | ret = wl1271_acx_frag_threshold(wl); | |
369 | if (ret < 0) | |
370 | goto out_free_memmap; | |
371 | ||
372 | /* Default TID configuration */ | |
373 | for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { | |
374 | conf_tid = &wl->conf.tx.tid_conf[i]; | |
375 | ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id, | |
376 | conf_tid->channel_type, | |
377 | conf_tid->tsid, | |
378 | conf_tid->ps_scheme, | |
379 | conf_tid->ack_policy, | |
380 | conf_tid->apsd_conf[0], | |
381 | conf_tid->apsd_conf[1]); | |
382 | if (ret < 0) | |
383 | goto out_free_memmap; | |
384 | } | |
385 | ||
386 | /* Default AC configuration */ | |
387 | for (i = 0; i < wl->conf.tx.ac_conf_count; i++) { | |
388 | conf_ac = &wl->conf.tx.ac_conf[i]; | |
389 | ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min, | |
390 | conf_ac->cw_max, conf_ac->aifsn, | |
391 | conf_ac->tx_op_limit); | |
392 | if (ret < 0) | |
393 | goto out_free_memmap; | |
394 | } | |
395 | ||
396 | /* Enable data path */ | |
94210897 | 397 | ret = wl1271_cmd_data_path(wl, 1); |
f5fc0f86 | 398 | if (ret < 0) |
12419cce LC |
399 | goto out_free_memmap; |
400 | ||
401 | /* Configure for CAM power saving (ie. always active) */ | |
402 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); | |
403 | if (ret < 0) | |
404 | goto out_free_memmap; | |
405 | ||
406 | /* configure PM */ | |
407 | ret = wl1271_acx_pm_config(wl); | |
408 | if (ret < 0) | |
409 | goto out_free_memmap; | |
f5fc0f86 LC |
410 | |
411 | return 0; | |
12419cce LC |
412 | |
413 | out_free_memmap: | |
414 | kfree(wl->target_mem_map); | |
415 | wl->target_mem_map = NULL; | |
416 | ||
417 | return ret; | |
f5fc0f86 LC |
418 | } |
419 | ||
c15f63bf JO |
420 | static void wl1271_fw_status(struct wl1271 *wl, |
421 | struct wl1271_fw_status *status) | |
f5fc0f86 | 422 | { |
ac5e1e39 | 423 | struct timespec ts; |
f5fc0f86 LC |
424 | u32 total = 0; |
425 | int i; | |
426 | ||
09a9c2b3 | 427 | wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false); |
f5fc0f86 LC |
428 | |
429 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " | |
430 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
431 | status->intr, | |
432 | status->fw_rx_counter, | |
433 | status->drv_rx_counter, | |
434 | status->tx_results_counter); | |
435 | ||
436 | /* update number of available TX blocks */ | |
437 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
d0f63b20 LC |
438 | u32 cnt = le32_to_cpu(status->tx_released_blks[i]) - |
439 | wl->tx_blocks_freed[i]; | |
440 | ||
441 | wl->tx_blocks_freed[i] = | |
442 | le32_to_cpu(status->tx_released_blks[i]); | |
f5fc0f86 LC |
443 | wl->tx_blocks_available += cnt; |
444 | total += cnt; | |
445 | } | |
446 | ||
447 | /* if more blocks are available now, schedule some tx work */ | |
448 | if (total && !skb_queue_empty(&wl->tx_queue)) | |
a64b07e8 | 449 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
450 | |
451 | /* update the host-chipset time offset */ | |
ac5e1e39 JO |
452 | getnstimeofday(&ts); |
453 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - | |
454 | (s64)le32_to_cpu(status->fw_localtime); | |
f5fc0f86 LC |
455 | } |
456 | ||
1e73eb62 JO |
457 | #define WL1271_IRQ_MAX_LOOPS 10 |
458 | ||
f5fc0f86 LC |
459 | static void wl1271_irq_work(struct work_struct *work) |
460 | { | |
f5fc0f86 | 461 | int ret; |
c15f63bf | 462 | u32 intr; |
1e73eb62 JO |
463 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
464 | unsigned long flags; | |
f5fc0f86 LC |
465 | struct wl1271 *wl = |
466 | container_of(work, struct wl1271, irq_work); | |
467 | ||
468 | mutex_lock(&wl->mutex); | |
469 | ||
470 | wl1271_debug(DEBUG_IRQ, "IRQ work"); | |
471 | ||
1e73eb62 | 472 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
f5fc0f86 LC |
473 | goto out; |
474 | ||
475 | ret = wl1271_ps_elp_wakeup(wl, true); | |
476 | if (ret < 0) | |
477 | goto out; | |
478 | ||
1e73eb62 JO |
479 | spin_lock_irqsave(&wl->wl_lock, flags); |
480 | while (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags) && loopcount) { | |
481 | clear_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags); | |
482 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
483 | loopcount--; | |
484 | ||
485 | wl1271_fw_status(wl, wl->fw_status); | |
486 | intr = le32_to_cpu(wl->fw_status->intr); | |
487 | if (!intr) { | |
488 | wl1271_debug(DEBUG_IRQ, "Zero interrupt received."); | |
489 | continue; | |
490 | } | |
f5fc0f86 | 491 | |
1e73eb62 | 492 | intr &= WL1271_INTR_MASK; |
f5fc0f86 | 493 | |
1e73eb62 JO |
494 | if (intr & WL1271_ACX_INTR_DATA) { |
495 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); | |
1fd2794f | 496 | |
1e73eb62 JO |
497 | /* check for tx results */ |
498 | if (wl->fw_status->tx_results_counter != | |
499 | (wl->tx_results_count & 0xff)) | |
500 | wl1271_tx_complete(wl); | |
f5fc0f86 | 501 | |
1e73eb62 JO |
502 | wl1271_rx(wl, wl->fw_status); |
503 | } | |
f5fc0f86 | 504 | |
1e73eb62 JO |
505 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
506 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); | |
507 | wl1271_event_handle(wl, 0); | |
508 | } | |
f5fc0f86 | 509 | |
1e73eb62 JO |
510 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
511 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
512 | wl1271_event_handle(wl, 1); | |
513 | } | |
f5fc0f86 | 514 | |
1e73eb62 JO |
515 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
516 | wl1271_debug(DEBUG_IRQ, | |
517 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 518 | |
1e73eb62 JO |
519 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
520 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
521 | ||
522 | spin_lock_irqsave(&wl->wl_lock, flags); | |
c15f63bf | 523 | } |
f5fc0f86 | 524 | |
1e73eb62 JO |
525 | if (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags)) |
526 | ieee80211_queue_work(wl->hw, &wl->irq_work); | |
527 | else | |
528 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
529 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
530 | ||
f5fc0f86 LC |
531 | wl1271_ps_elp_sleep(wl); |
532 | ||
533 | out: | |
534 | mutex_unlock(&wl->mutex); | |
535 | } | |
536 | ||
f5fc0f86 LC |
537 | static int wl1271_fetch_firmware(struct wl1271 *wl) |
538 | { | |
539 | const struct firmware *fw; | |
540 | int ret; | |
541 | ||
8197b711 | 542 | ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
543 | |
544 | if (ret < 0) { | |
545 | wl1271_error("could not get firmware: %d", ret); | |
546 | return ret; | |
547 | } | |
548 | ||
549 | if (fw->size % 4) { | |
550 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
551 | fw->size); | |
552 | ret = -EILSEQ; | |
553 | goto out; | |
554 | } | |
555 | ||
556 | wl->fw_len = fw->size; | |
1fba4974 | 557 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
558 | |
559 | if (!wl->fw) { | |
560 | wl1271_error("could not allocate memory for the firmware"); | |
561 | ret = -ENOMEM; | |
562 | goto out; | |
563 | } | |
564 | ||
565 | memcpy(wl->fw, fw->data, wl->fw_len); | |
566 | ||
567 | ret = 0; | |
568 | ||
569 | out: | |
570 | release_firmware(fw); | |
571 | ||
572 | return ret; | |
573 | } | |
574 | ||
575 | static int wl1271_fetch_nvs(struct wl1271 *wl) | |
576 | { | |
577 | const struct firmware *fw; | |
578 | int ret; | |
579 | ||
8197b711 | 580 | ret = request_firmware(&fw, WL1271_NVS_NAME, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
581 | |
582 | if (ret < 0) { | |
583 | wl1271_error("could not get nvs file: %d", ret); | |
584 | return ret; | |
585 | } | |
586 | ||
152ee6e0 JO |
587 | if (fw->size != sizeof(struct wl1271_nvs_file)) { |
588 | wl1271_error("nvs size is not as expected: %zu != %zu", | |
589 | fw->size, sizeof(struct wl1271_nvs_file)); | |
f5fc0f86 LC |
590 | ret = -EILSEQ; |
591 | goto out; | |
592 | } | |
593 | ||
152ee6e0 | 594 | wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL); |
f5fc0f86 LC |
595 | |
596 | if (!wl->nvs) { | |
597 | wl1271_error("could not allocate memory for the nvs file"); | |
598 | ret = -ENOMEM; | |
599 | goto out; | |
600 | } | |
601 | ||
152ee6e0 | 602 | memcpy(wl->nvs, fw->data, sizeof(struct wl1271_nvs_file)); |
f5fc0f86 | 603 | |
f5fc0f86 LC |
604 | out: |
605 | release_firmware(fw); | |
606 | ||
607 | return ret; | |
608 | } | |
609 | ||
610 | static void wl1271_fw_wakeup(struct wl1271 *wl) | |
611 | { | |
612 | u32 elp_reg; | |
613 | ||
614 | elp_reg = ELPCTRL_WAKE_UP; | |
74621417 | 615 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
f5fc0f86 LC |
616 | } |
617 | ||
618 | static int wl1271_setup(struct wl1271 *wl) | |
619 | { | |
620 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); | |
621 | if (!wl->fw_status) | |
622 | return -ENOMEM; | |
623 | ||
624 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); | |
625 | if (!wl->tx_res_if) { | |
626 | kfree(wl->fw_status); | |
627 | return -ENOMEM; | |
628 | } | |
629 | ||
630 | INIT_WORK(&wl->irq_work, wl1271_irq_work); | |
631 | INIT_WORK(&wl->tx_work, wl1271_tx_work); | |
632 | return 0; | |
633 | } | |
634 | ||
635 | static int wl1271_chip_wakeup(struct wl1271 *wl) | |
636 | { | |
451de97a | 637 | struct wl1271_partition_set partition; |
f5fc0f86 LC |
638 | int ret = 0; |
639 | ||
01ac17ec | 640 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
f5fc0f86 LC |
641 | wl1271_power_on(wl); |
642 | msleep(WL1271_POWER_ON_SLEEP); | |
9b280722 TP |
643 | wl1271_io_reset(wl); |
644 | wl1271_io_init(wl); | |
f5fc0f86 LC |
645 | |
646 | /* We don't need a real memory partition here, because we only want | |
647 | * to use the registers at this point. */ | |
451de97a JO |
648 | memset(&partition, 0, sizeof(partition)); |
649 | partition.reg.start = REGISTERS_BASE; | |
650 | partition.reg.size = REGISTERS_DOWN_SIZE; | |
651 | wl1271_set_partition(wl, &partition); | |
f5fc0f86 LC |
652 | |
653 | /* ELP module wake up */ | |
654 | wl1271_fw_wakeup(wl); | |
655 | ||
656 | /* whal_FwCtrl_BootSm() */ | |
657 | ||
658 | /* 0. read chip id from CHIP_ID */ | |
7b048c52 | 659 | wl->chip.id = wl1271_read32(wl, CHIP_ID_B); |
f5fc0f86 LC |
660 | |
661 | /* 1. check if chip id is valid */ | |
662 | ||
663 | switch (wl->chip.id) { | |
664 | case CHIP_ID_1271_PG10: | |
665 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", | |
666 | wl->chip.id); | |
667 | ||
668 | ret = wl1271_setup(wl); | |
669 | if (ret < 0) | |
9ccd9217 | 670 | goto out; |
f5fc0f86 LC |
671 | break; |
672 | case CHIP_ID_1271_PG20: | |
673 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", | |
674 | wl->chip.id); | |
675 | ||
676 | ret = wl1271_setup(wl); | |
677 | if (ret < 0) | |
9ccd9217 | 678 | goto out; |
f5fc0f86 LC |
679 | break; |
680 | default: | |
9ccd9217 | 681 | wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
f5fc0f86 | 682 | ret = -ENODEV; |
9ccd9217 | 683 | goto out; |
f5fc0f86 LC |
684 | } |
685 | ||
686 | if (wl->fw == NULL) { | |
687 | ret = wl1271_fetch_firmware(wl); | |
688 | if (ret < 0) | |
9ccd9217 | 689 | goto out; |
f5fc0f86 LC |
690 | } |
691 | ||
692 | /* No NVS from netlink, try to get it from the filesystem */ | |
693 | if (wl->nvs == NULL) { | |
694 | ret = wl1271_fetch_nvs(wl); | |
695 | if (ret < 0) | |
9ccd9217 | 696 | goto out; |
f5fc0f86 LC |
697 | } |
698 | ||
699 | out: | |
700 | return ret; | |
701 | } | |
702 | ||
f5fc0f86 LC |
703 | int wl1271_plt_start(struct wl1271 *wl) |
704 | { | |
9ccd9217 | 705 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
706 | int ret; |
707 | ||
708 | mutex_lock(&wl->mutex); | |
709 | ||
710 | wl1271_notice("power up"); | |
711 | ||
712 | if (wl->state != WL1271_STATE_OFF) { | |
713 | wl1271_error("cannot go into PLT state because not " | |
714 | "in off state: %d", wl->state); | |
715 | ret = -EBUSY; | |
716 | goto out; | |
717 | } | |
718 | ||
9ccd9217 JO |
719 | while (retries) { |
720 | retries--; | |
721 | ret = wl1271_chip_wakeup(wl); | |
722 | if (ret < 0) | |
723 | goto power_off; | |
f5fc0f86 | 724 | |
9ccd9217 JO |
725 | ret = wl1271_boot(wl); |
726 | if (ret < 0) | |
727 | goto power_off; | |
eb5b28d0 | 728 | |
9ccd9217 JO |
729 | ret = wl1271_plt_init(wl); |
730 | if (ret < 0) | |
731 | goto irq_disable; | |
bd5ea18f | 732 | |
9ccd9217 JO |
733 | wl->state = WL1271_STATE_PLT; |
734 | wl1271_notice("firmware booted in PLT mode (%s)", | |
735 | wl->chip.fw_ver); | |
736 | goto out; | |
eb5b28d0 | 737 | |
9ccd9217 JO |
738 | irq_disable: |
739 | wl1271_disable_interrupts(wl); | |
740 | mutex_unlock(&wl->mutex); | |
741 | /* Unlocking the mutex in the middle of handling is | |
742 | inherently unsafe. In this case we deem it safe to do, | |
743 | because we need to let any possibly pending IRQ out of | |
744 | the system (and while we are WL1271_STATE_OFF the IRQ | |
745 | work function will not do anything.) Also, any other | |
746 | possible concurrent operations will fail due to the | |
747 | current state, hence the wl1271 struct should be safe. */ | |
748 | cancel_work_sync(&wl->irq_work); | |
749 | mutex_lock(&wl->mutex); | |
750 | power_off: | |
751 | wl1271_power_off(wl); | |
752 | } | |
f5fc0f86 | 753 | |
9ccd9217 JO |
754 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
755 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
756 | out: |
757 | mutex_unlock(&wl->mutex); | |
758 | ||
759 | return ret; | |
760 | } | |
761 | ||
762 | int wl1271_plt_stop(struct wl1271 *wl) | |
763 | { | |
764 | int ret = 0; | |
765 | ||
766 | mutex_lock(&wl->mutex); | |
767 | ||
768 | wl1271_notice("power down"); | |
769 | ||
770 | if (wl->state != WL1271_STATE_PLT) { | |
771 | wl1271_error("cannot power down because not in PLT " | |
772 | "state: %d", wl->state); | |
773 | ret = -EBUSY; | |
774 | goto out; | |
775 | } | |
776 | ||
777 | wl1271_disable_interrupts(wl); | |
778 | wl1271_power_off(wl); | |
779 | ||
780 | wl->state = WL1271_STATE_OFF; | |
bd5ea18f | 781 | wl->rx_counter = 0; |
f5fc0f86 LC |
782 | |
783 | out: | |
784 | mutex_unlock(&wl->mutex); | |
785 | ||
786 | return ret; | |
787 | } | |
788 | ||
789 | ||
790 | static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) | |
791 | { | |
792 | struct wl1271 *wl = hw->priv; | |
830fb67b JO |
793 | struct ieee80211_conf *conf = &hw->conf; |
794 | struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb); | |
795 | struct ieee80211_sta *sta = txinfo->control.sta; | |
796 | unsigned long flags; | |
f5fc0f86 | 797 | |
830fb67b JO |
798 | /* peek into the rates configured in the STA entry */ |
799 | spin_lock_irqsave(&wl->wl_lock, flags); | |
800 | if (sta && sta->supp_rates[conf->channel->band] != wl->sta_rate_set) { | |
801 | wl->sta_rate_set = sta->supp_rates[conf->channel->band]; | |
802 | set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags); | |
803 | } | |
804 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
805 | ||
806 | /* queue the packet */ | |
f5fc0f86 LC |
807 | skb_queue_tail(&wl->tx_queue, skb); |
808 | ||
809 | /* | |
810 | * The chip specific setup must run before the first TX packet - | |
811 | * before that, the tx_work will not be initialized! | |
812 | */ | |
813 | ||
a64b07e8 | 814 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
815 | |
816 | /* | |
817 | * The workqueue is slow to process the tx_queue and we need stop | |
818 | * the queue here, otherwise the queue will get too long. | |
819 | */ | |
06f7bc7d JO |
820 | if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_HIGH_WATERMARK) { |
821 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues"); | |
f5fc0f86 | 822 | |
06f7bc7d JO |
823 | spin_lock_irqsave(&wl->wl_lock, flags); |
824 | ieee80211_stop_queues(wl->hw); | |
71449f8d | 825 | set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); |
06f7bc7d | 826 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
f5fc0f86 LC |
827 | } |
828 | ||
829 | return NETDEV_TX_OK; | |
830 | } | |
831 | ||
01c09162 JO |
832 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
833 | void *arg) | |
834 | { | |
835 | struct net_device *dev; | |
836 | struct wireless_dev *wdev; | |
837 | struct wiphy *wiphy; | |
838 | struct ieee80211_hw *hw; | |
839 | struct wl1271 *wl; | |
840 | struct wl1271 *wl_temp; | |
841 | struct in_device *idev; | |
842 | struct in_ifaddr *ifa = arg; | |
843 | int ret = 0; | |
844 | ||
845 | /* FIXME: this ugly function should probably be implemented in the | |
846 | * mac80211, and here should only be a simple callback handling actual | |
847 | * setting of the filters. Now we need to dig up references to | |
848 | * various structures to gain access to what we need. | |
849 | * Also, because of this, there is no "initial" setting of the filter | |
850 | * in "op_start", because we don't want to dig up struct net_device | |
851 | * there - the filter will be set upon first change of the interface | |
852 | * IP address. */ | |
853 | ||
854 | dev = ifa->ifa_dev->dev; | |
855 | ||
856 | wdev = dev->ieee80211_ptr; | |
857 | if (wdev == NULL) | |
17d7265c | 858 | return NOTIFY_DONE; |
01c09162 JO |
859 | |
860 | wiphy = wdev->wiphy; | |
861 | if (wiphy == NULL) | |
17d7265c | 862 | return NOTIFY_DONE; |
01c09162 JO |
863 | |
864 | hw = wiphy_priv(wiphy); | |
865 | if (hw == NULL) | |
17d7265c | 866 | return NOTIFY_DONE; |
01c09162 JO |
867 | |
868 | /* Check that the interface is one supported by this driver. */ | |
869 | wl_temp = hw->priv; | |
870 | list_for_each_entry(wl, &wl_list, list) { | |
871 | if (wl == wl_temp) | |
872 | break; | |
873 | } | |
874 | if (wl == NULL) | |
17d7265c | 875 | return NOTIFY_DONE; |
01c09162 JO |
876 | |
877 | /* Get the interface IP address for the device. "ifa" will become | |
878 | NULL if: | |
879 | - there is no IPV4 protocol address configured | |
880 | - there are multiple (virtual) IPV4 addresses configured | |
881 | When "ifa" is NULL, filtering will be disabled. | |
882 | */ | |
883 | ifa = NULL; | |
884 | idev = dev->ip_ptr; | |
885 | if (idev) | |
886 | ifa = idev->ifa_list; | |
887 | ||
888 | if (ifa && ifa->ifa_next) | |
889 | ifa = NULL; | |
890 | ||
891 | mutex_lock(&wl->mutex); | |
892 | ||
893 | if (wl->state == WL1271_STATE_OFF) | |
894 | goto out; | |
895 | ||
896 | ret = wl1271_ps_elp_wakeup(wl, false); | |
897 | if (ret < 0) | |
898 | goto out; | |
899 | if (ifa) | |
900 | ret = wl1271_acx_arp_ip_filter(wl, true, | |
901 | (u8 *)&ifa->ifa_address, | |
902 | ACX_IPV4_VERSION); | |
903 | else | |
904 | ret = wl1271_acx_arp_ip_filter(wl, false, NULL, | |
905 | ACX_IPV4_VERSION); | |
906 | wl1271_ps_elp_sleep(wl); | |
907 | ||
908 | out: | |
909 | mutex_unlock(&wl->mutex); | |
910 | ||
17d7265c | 911 | return NOTIFY_OK; |
01c09162 JO |
912 | } |
913 | ||
914 | static struct notifier_block wl1271_dev_notifier = { | |
915 | .notifier_call = wl1271_dev_notify, | |
916 | }; | |
917 | ||
918 | ||
f5fc0f86 | 919 | static int wl1271_op_start(struct ieee80211_hw *hw) |
1b72aecd JO |
920 | { |
921 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
922 | ||
923 | /* | |
924 | * We have to delay the booting of the hardware because | |
925 | * we need to know the local MAC address before downloading and | |
926 | * initializing the firmware. The MAC address cannot be changed | |
927 | * after boot, and without the proper MAC address, the firmware | |
928 | * will not function properly. | |
929 | * | |
930 | * The MAC address is first known when the corresponding interface | |
931 | * is added. That is where we will initialize the hardware. | |
932 | */ | |
933 | ||
934 | return 0; | |
935 | } | |
936 | ||
937 | static void wl1271_op_stop(struct ieee80211_hw *hw) | |
938 | { | |
939 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
940 | } | |
941 | ||
942 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, | |
943 | struct ieee80211_vif *vif) | |
f5fc0f86 LC |
944 | { |
945 | struct wl1271 *wl = hw->priv; | |
9ccd9217 | 946 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
947 | int ret = 0; |
948 | ||
1b72aecd JO |
949 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
950 | vif->type, vif->addr); | |
f5fc0f86 LC |
951 | |
952 | mutex_lock(&wl->mutex); | |
1b72aecd JO |
953 | if (wl->vif) { |
954 | ret = -EBUSY; | |
955 | goto out; | |
956 | } | |
957 | ||
958 | wl->vif = vif; | |
959 | ||
960 | switch (vif->type) { | |
961 | case NL80211_IFTYPE_STATION: | |
962 | wl->bss_type = BSS_TYPE_STA_BSS; | |
5da11dcd | 963 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
1b72aecd JO |
964 | break; |
965 | case NL80211_IFTYPE_ADHOC: | |
966 | wl->bss_type = BSS_TYPE_IBSS; | |
5da11dcd | 967 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
1b72aecd JO |
968 | break; |
969 | default: | |
970 | ret = -EOPNOTSUPP; | |
971 | goto out; | |
972 | } | |
973 | ||
974 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); | |
f5fc0f86 LC |
975 | |
976 | if (wl->state != WL1271_STATE_OFF) { | |
977 | wl1271_error("cannot start because not in off state: %d", | |
978 | wl->state); | |
979 | ret = -EBUSY; | |
980 | goto out; | |
981 | } | |
982 | ||
9ccd9217 JO |
983 | while (retries) { |
984 | retries--; | |
985 | ret = wl1271_chip_wakeup(wl); | |
986 | if (ret < 0) | |
987 | goto power_off; | |
f5fc0f86 | 988 | |
9ccd9217 JO |
989 | ret = wl1271_boot(wl); |
990 | if (ret < 0) | |
991 | goto power_off; | |
f5fc0f86 | 992 | |
9ccd9217 JO |
993 | ret = wl1271_hw_init(wl); |
994 | if (ret < 0) | |
995 | goto irq_disable; | |
f5fc0f86 | 996 | |
9ccd9217 JO |
997 | wl->state = WL1271_STATE_ON; |
998 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver); | |
999 | goto out; | |
eb5b28d0 | 1000 | |
9ccd9217 JO |
1001 | irq_disable: |
1002 | wl1271_disable_interrupts(wl); | |
1003 | mutex_unlock(&wl->mutex); | |
1004 | /* Unlocking the mutex in the middle of handling is | |
1005 | inherently unsafe. In this case we deem it safe to do, | |
1006 | because we need to let any possibly pending IRQ out of | |
1007 | the system (and while we are WL1271_STATE_OFF the IRQ | |
1008 | work function will not do anything.) Also, any other | |
1009 | possible concurrent operations will fail due to the | |
1010 | current state, hence the wl1271 struct should be safe. */ | |
1011 | cancel_work_sync(&wl->irq_work); | |
1012 | mutex_lock(&wl->mutex); | |
1013 | power_off: | |
1014 | wl1271_power_off(wl); | |
1015 | } | |
eb5b28d0 | 1016 | |
9ccd9217 JO |
1017 | wl1271_error("firmware boot failed despite %d retries", |
1018 | WL1271_BOOT_RETRIES); | |
eb5b28d0 | 1019 | out: |
f5fc0f86 LC |
1020 | mutex_unlock(&wl->mutex); |
1021 | ||
01c09162 JO |
1022 | if (!ret) { |
1023 | list_add(&wl->list, &wl_list); | |
1024 | register_inetaddr_notifier(&wl1271_dev_notifier); | |
1025 | } | |
1026 | ||
f5fc0f86 LC |
1027 | return ret; |
1028 | } | |
1029 | ||
1b72aecd JO |
1030 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
1031 | struct ieee80211_vif *vif) | |
f5fc0f86 LC |
1032 | { |
1033 | struct wl1271 *wl = hw->priv; | |
1034 | int i; | |
1035 | ||
2ea9fb3d JO |
1036 | unregister_inetaddr_notifier(&wl1271_dev_notifier); |
1037 | ||
1b72aecd JO |
1038 | mutex_lock(&wl->mutex); |
1039 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); | |
f5fc0f86 | 1040 | |
1b72aecd | 1041 | wl1271_info("down"); |
f5fc0f86 | 1042 | |
01c09162 JO |
1043 | list_del(&wl->list); |
1044 | ||
f5fc0f86 LC |
1045 | WARN_ON(wl->state != WL1271_STATE_ON); |
1046 | ||
71449f8d | 1047 | if (test_and_clear_bit(WL1271_FLAG_SCANNING, &wl->flags)) { |
f5fc0f86 LC |
1048 | mutex_unlock(&wl->mutex); |
1049 | ieee80211_scan_completed(wl->hw, true); | |
1050 | mutex_lock(&wl->mutex); | |
f5fc0f86 LC |
1051 | } |
1052 | ||
1053 | wl->state = WL1271_STATE_OFF; | |
1054 | ||
1055 | wl1271_disable_interrupts(wl); | |
1056 | ||
1057 | mutex_unlock(&wl->mutex); | |
1058 | ||
1059 | cancel_work_sync(&wl->irq_work); | |
1060 | cancel_work_sync(&wl->tx_work); | |
f5fc0f86 LC |
1061 | |
1062 | mutex_lock(&wl->mutex); | |
1063 | ||
1064 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
1065 | wl1271_tx_flush(wl); | |
1066 | wl1271_power_off(wl); | |
1067 | ||
1068 | memset(wl->bssid, 0, ETH_ALEN); | |
1069 | memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); | |
1070 | wl->ssid_len = 0; | |
f5fc0f86 | 1071 | wl->bss_type = MAX_BSS_TYPE; |
5da11dcd | 1072 | wl->set_bss_type = MAX_BSS_TYPE; |
8a5a37a6 | 1073 | wl->band = IEEE80211_BAND_2GHZ; |
f5fc0f86 LC |
1074 | |
1075 | wl->rx_counter = 0; | |
19ad0715 | 1076 | wl->psm_entry_retry = 0; |
f5fc0f86 LC |
1077 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
1078 | wl->tx_blocks_available = 0; | |
1079 | wl->tx_results_count = 0; | |
1080 | wl->tx_packets_count = 0; | |
ac4e4ce5 | 1081 | wl->tx_security_last_seq = 0; |
04e36fc5 | 1082 | wl->tx_security_seq = 0; |
f5fc0f86 LC |
1083 | wl->time_offset = 0; |
1084 | wl->session_counter = 0; | |
830fb67b JO |
1085 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
1086 | wl->sta_rate_set = 0; | |
1087 | wl->flags = 0; | |
1b72aecd | 1088 | wl->vif = NULL; |
14b228a0 | 1089 | wl->filters = 0; |
d6e19d13 | 1090 | |
f5fc0f86 LC |
1091 | for (i = 0; i < NUM_TX_QUEUES; i++) |
1092 | wl->tx_blocks_freed[i] = 0; | |
1093 | ||
1094 | wl1271_debugfs_reset(wl); | |
1095 | mutex_unlock(&wl->mutex); | |
1096 | } | |
1097 | ||
14b228a0 JO |
1098 | static void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters) |
1099 | { | |
1100 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
1101 | wl->rx_filter = WL1271_DEFAULT_RX_FILTER; | |
1102 | ||
1103 | /* combine requested filters with current filter config */ | |
1104 | filters = wl->filters | filters; | |
1105 | ||
1106 | wl1271_debug(DEBUG_FILTERS, "RX filters set: "); | |
1107 | ||
1108 | if (filters & FIF_PROMISC_IN_BSS) { | |
1109 | wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS"); | |
1110 | wl->rx_config &= ~CFG_UNI_FILTER_EN; | |
1111 | wl->rx_config |= CFG_BSSID_FILTER_EN; | |
1112 | } | |
1113 | if (filters & FIF_BCN_PRBRESP_PROMISC) { | |
1114 | wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC"); | |
1115 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1116 | wl->rx_config &= ~CFG_SSID_FILTER_EN; | |
1117 | } | |
1118 | if (filters & FIF_OTHER_BSS) { | |
1119 | wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS"); | |
1120 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1121 | } | |
1122 | if (filters & FIF_CONTROL) { | |
1123 | wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL"); | |
1124 | wl->rx_filter |= CFG_RX_CTL_EN; | |
1125 | } | |
1126 | if (filters & FIF_FCSFAIL) { | |
1127 | wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL"); | |
1128 | wl->rx_filter |= CFG_RX_FCS_ERROR; | |
1129 | } | |
1130 | } | |
1131 | ||
c7f43e45 LC |
1132 | static int wl1271_join_channel(struct wl1271 *wl, int channel) |
1133 | { | |
e0d8bbf0 | 1134 | int ret = 0; |
c7f43e45 LC |
1135 | /* we need to use a dummy BSSID for now */ |
1136 | static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, | |
1137 | 0xad, 0xbe, 0xef }; | |
1138 | ||
c7f43e45 LC |
1139 | wl->channel = channel; |
1140 | memcpy(wl->bssid, dummy_bssid, ETH_ALEN); | |
1141 | ||
14b228a0 JO |
1142 | /* pass through frames from all BSS */ |
1143 | wl1271_configure_filters(wl, FIF_OTHER_BSS); | |
1144 | ||
5da11dcd | 1145 | ret = wl1271_cmd_join(wl, wl->set_bss_type); |
c7f43e45 LC |
1146 | if (ret < 0) |
1147 | goto out; | |
1148 | ||
71449f8d | 1149 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 LC |
1150 | |
1151 | out: | |
1152 | return ret; | |
1153 | } | |
1154 | ||
1155 | static int wl1271_unjoin_channel(struct wl1271 *wl) | |
1156 | { | |
1157 | int ret; | |
1158 | ||
1159 | /* to stop listening to a channel, we disconnect */ | |
1160 | ret = wl1271_cmd_disconnect(wl); | |
1161 | if (ret < 0) | |
1162 | goto out; | |
1163 | ||
71449f8d | 1164 | clear_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 LC |
1165 | wl->channel = 0; |
1166 | memset(wl->bssid, 0, ETH_ALEN); | |
14b228a0 JO |
1167 | |
1168 | /* stop filterting packets based on bssid */ | |
1169 | wl1271_configure_filters(wl, FIF_OTHER_BSS); | |
c7f43e45 LC |
1170 | |
1171 | out: | |
1172 | return ret; | |
1173 | } | |
1174 | ||
ebba60c6 JO |
1175 | static void wl1271_set_band_rate(struct wl1271 *wl) |
1176 | { | |
1177 | if (wl->band == IEEE80211_BAND_2GHZ) | |
1178 | wl->basic_rate_set = wl->conf.tx.basic_rate; | |
1179 | else | |
1180 | wl->basic_rate_set = wl->conf.tx.basic_rate_5; | |
1181 | } | |
1182 | ||
1183 | static u32 wl1271_min_rate_get(struct wl1271 *wl) | |
1184 | { | |
1185 | int i; | |
1186 | u32 rate = 0; | |
1187 | ||
1188 | if (!wl->basic_rate_set) { | |
1189 | WARN_ON(1); | |
1190 | wl->basic_rate_set = wl->conf.tx.basic_rate; | |
1191 | } | |
1192 | ||
1193 | for (i = 0; !rate; i++) { | |
1194 | if ((wl->basic_rate_set >> i) & 0x1) | |
1195 | rate = 1 << i; | |
1196 | } | |
1197 | ||
1198 | return rate; | |
1199 | } | |
1200 | ||
f5fc0f86 LC |
1201 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
1202 | { | |
1203 | struct wl1271 *wl = hw->priv; | |
1204 | struct ieee80211_conf *conf = &hw->conf; | |
1205 | int channel, ret = 0; | |
1206 | ||
1207 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); | |
1208 | ||
c7f43e45 | 1209 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s", |
f5fc0f86 LC |
1210 | channel, |
1211 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", | |
c7f43e45 LC |
1212 | conf->power_level, |
1213 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use"); | |
f5fc0f86 LC |
1214 | |
1215 | mutex_lock(&wl->mutex); | |
1216 | ||
1217 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1218 | if (ret < 0) | |
1219 | goto out; | |
1220 | ||
ebba60c6 JO |
1221 | /* if the channel changes while joined, join again */ |
1222 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
1223 | wl->band = conf->channel->band; | |
1224 | wl->channel = channel; | |
1225 | ||
1226 | /* | |
1227 | * FIXME: the mac80211 should really provide a fixed rate | |
1228 | * to use here. for now, just use the smallest possible rate | |
1229 | * for the band as a fixed rate for association frames and | |
1230 | * other control messages. | |
1231 | */ | |
1232 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
1233 | wl1271_set_band_rate(wl); | |
1234 | ||
1235 | wl->basic_rate = wl1271_min_rate_get(wl); | |
1236 | ret = wl1271_acx_rate_policies(wl); | |
1237 | if (ret < 0) | |
1238 | wl1271_warning("rate policy for update channel " | |
1239 | "failed %d", ret); | |
1240 | ||
1241 | if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { | |
1242 | ret = wl1271_cmd_join(wl, wl->set_bss_type); | |
1243 | if (ret < 0) | |
1244 | wl1271_warning("cmd join to update channel " | |
1245 | "failed %d", ret); | |
1246 | } | |
1247 | } | |
1248 | ||
c7f43e45 | 1249 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
71449f8d JO |
1250 | if (conf->flags & IEEE80211_CONF_IDLE && |
1251 | test_bit(WL1271_FLAG_JOINED, &wl->flags)) | |
c7f43e45 | 1252 | wl1271_unjoin_channel(wl); |
8f648c00 | 1253 | else if (!(conf->flags & IEEE80211_CONF_IDLE)) |
c7f43e45 | 1254 | wl1271_join_channel(wl, channel); |
a6fe2313 JO |
1255 | |
1256 | if (conf->flags & IEEE80211_CONF_IDLE) { | |
ebba60c6 | 1257 | wl->rate_set = wl1271_min_rate_get(wl); |
830fb67b JO |
1258 | wl->sta_rate_set = 0; |
1259 | wl1271_acx_rate_policies(wl); | |
c1899554 JO |
1260 | wl1271_acx_keep_alive_config( |
1261 | wl, CMD_TEMPL_KLV_IDX_NULL_DATA, | |
1262 | ACX_KEEP_ALIVE_TPL_INVALID); | |
a6fe2313 | 1263 | } |
f5fc0f86 LC |
1264 | } |
1265 | ||
71449f8d JO |
1266 | if (conf->flags & IEEE80211_CONF_PS && |
1267 | !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { | |
1268 | set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); | |
f5fc0f86 LC |
1269 | |
1270 | /* | |
1271 | * We enter PSM only if we're already associated. | |
1272 | * If we're not, we'll enter it when joining an SSID, | |
1273 | * through the bss_info_changed() hook. | |
1274 | */ | |
830fb67b | 1275 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { |
18f8d468 | 1276 | wl1271_debug(DEBUG_PSM, "psm enabled"); |
d8c42c0c JO |
1277 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
1278 | true); | |
af5e084b | 1279 | } |
f5fc0f86 | 1280 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
71449f8d | 1281 | test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
18f8d468 | 1282 | wl1271_debug(DEBUG_PSM, "psm disabled"); |
f5fc0f86 | 1283 | |
71449f8d | 1284 | clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
f5fc0f86 | 1285 | |
71449f8d | 1286 | if (test_bit(WL1271_FLAG_PSM, &wl->flags)) |
d8c42c0c JO |
1287 | ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
1288 | true); | |
f5fc0f86 LC |
1289 | } |
1290 | ||
1291 | if (conf->power_level != wl->power_level) { | |
1292 | ret = wl1271_acx_tx_power(wl, conf->power_level); | |
1293 | if (ret < 0) | |
c6317a54 | 1294 | goto out_sleep; |
f5fc0f86 LC |
1295 | |
1296 | wl->power_level = conf->power_level; | |
1297 | } | |
1298 | ||
1299 | out_sleep: | |
1300 | wl1271_ps_elp_sleep(wl); | |
1301 | ||
1302 | out: | |
1303 | mutex_unlock(&wl->mutex); | |
1304 | ||
1305 | return ret; | |
1306 | } | |
1307 | ||
b54853f1 JO |
1308 | struct wl1271_filter_params { |
1309 | bool enabled; | |
1310 | int mc_list_length; | |
1311 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
1312 | }; | |
1313 | ||
c87dec9f JO |
1314 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count, |
1315 | struct dev_addr_list *mc_list) | |
1316 | { | |
c87dec9f | 1317 | struct wl1271_filter_params *fp; |
c87dec9f JO |
1318 | int i; |
1319 | ||
74441130 | 1320 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
1321 | if (!fp) { |
1322 | wl1271_error("Out of memory setting filters."); | |
1323 | return 0; | |
1324 | } | |
1325 | ||
1326 | /* update multicast filtering parameters */ | |
b54853f1 | 1327 | fp->enabled = true; |
c87dec9f JO |
1328 | if (mc_count > ACX_MC_ADDRESS_GROUP_MAX) { |
1329 | mc_count = 0; | |
b54853f1 | 1330 | fp->enabled = false; |
c87dec9f JO |
1331 | } |
1332 | ||
1333 | fp->mc_list_length = 0; | |
1334 | for (i = 0; i < mc_count; i++) { | |
1335 | if (mc_list->da_addrlen == ETH_ALEN) { | |
1336 | memcpy(fp->mc_list[fp->mc_list_length], | |
1337 | mc_list->da_addr, ETH_ALEN); | |
1338 | fp->mc_list_length++; | |
1339 | } else | |
1340 | wl1271_warning("Unknown mc address length."); | |
74441130 | 1341 | mc_list = mc_list->next; |
c87dec9f JO |
1342 | } |
1343 | ||
b54853f1 | 1344 | return (u64)(unsigned long)fp; |
c87dec9f | 1345 | } |
f5fc0f86 | 1346 | |
b54853f1 JO |
1347 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
1348 | FIF_ALLMULTI | \ | |
1349 | FIF_FCSFAIL | \ | |
1350 | FIF_BCN_PRBRESP_PROMISC | \ | |
1351 | FIF_CONTROL | \ | |
1352 | FIF_OTHER_BSS) | |
1353 | ||
f5fc0f86 LC |
1354 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
1355 | unsigned int changed, | |
c87dec9f | 1356 | unsigned int *total, u64 multicast) |
f5fc0f86 | 1357 | { |
b54853f1 | 1358 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 1359 | struct wl1271 *wl = hw->priv; |
b54853f1 | 1360 | int ret; |
f5fc0f86 LC |
1361 | |
1362 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter"); | |
1363 | ||
b54853f1 JO |
1364 | mutex_lock(&wl->mutex); |
1365 | ||
1366 | if (wl->state == WL1271_STATE_OFF) | |
1367 | goto out; | |
1368 | ||
1369 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1370 | if (ret < 0) | |
1371 | goto out; | |
1372 | ||
f5fc0f86 LC |
1373 | *total &= WL1271_SUPPORTED_FILTERS; |
1374 | changed &= WL1271_SUPPORTED_FILTERS; | |
1375 | ||
b54853f1 JO |
1376 | if (*total & FIF_ALLMULTI) |
1377 | ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); | |
1378 | else if (fp) | |
1379 | ret = wl1271_acx_group_address_tbl(wl, fp->enabled, | |
1380 | fp->mc_list, | |
1381 | fp->mc_list_length); | |
1382 | if (ret < 0) | |
1383 | goto out_sleep; | |
f5fc0f86 | 1384 | |
b54853f1 JO |
1385 | /* determine, whether supported filter values have changed */ |
1386 | if (changed == 0) | |
1387 | goto out_sleep; | |
c87dec9f | 1388 | |
14b228a0 JO |
1389 | /* configure filters */ |
1390 | wl->filters = *total; | |
1391 | wl1271_configure_filters(wl, 0); | |
1392 | ||
b54853f1 JO |
1393 | /* apply configured filters */ |
1394 | ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter); | |
1395 | if (ret < 0) | |
1396 | goto out_sleep; | |
1397 | ||
1398 | out_sleep: | |
1399 | wl1271_ps_elp_sleep(wl); | |
1400 | ||
1401 | out: | |
1402 | mutex_unlock(&wl->mutex); | |
14b228a0 | 1403 | kfree(fp); |
f5fc0f86 LC |
1404 | } |
1405 | ||
1406 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
1407 | struct ieee80211_vif *vif, | |
1408 | struct ieee80211_sta *sta, | |
1409 | struct ieee80211_key_conf *key_conf) | |
1410 | { | |
1411 | struct wl1271 *wl = hw->priv; | |
1412 | const u8 *addr; | |
1413 | int ret; | |
ac4e4ce5 JO |
1414 | u32 tx_seq_32 = 0; |
1415 | u16 tx_seq_16 = 0; | |
f5fc0f86 LC |
1416 | u8 key_type; |
1417 | ||
1418 | static const u8 bcast_addr[ETH_ALEN] = | |
1419 | { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
1420 | ||
1421 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); | |
1422 | ||
1423 | addr = sta ? sta->addr : bcast_addr; | |
1424 | ||
1425 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); | |
1426 | wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); | |
1427 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", | |
1428 | key_conf->alg, key_conf->keyidx, | |
1429 | key_conf->keylen, key_conf->flags); | |
1430 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
1431 | ||
1432 | if (is_zero_ether_addr(addr)) { | |
1433 | /* We dont support TX only encryption */ | |
1434 | ret = -EOPNOTSUPP; | |
1435 | goto out; | |
1436 | } | |
1437 | ||
1438 | mutex_lock(&wl->mutex); | |
1439 | ||
1440 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1441 | if (ret < 0) | |
1442 | goto out_unlock; | |
1443 | ||
1444 | switch (key_conf->alg) { | |
1445 | case ALG_WEP: | |
1446 | key_type = KEY_WEP; | |
1447 | ||
1448 | key_conf->hw_key_idx = key_conf->keyidx; | |
1449 | break; | |
1450 | case ALG_TKIP: | |
1451 | key_type = KEY_TKIP; | |
1452 | ||
1453 | key_conf->hw_key_idx = key_conf->keyidx; | |
04e36fc5 JO |
1454 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
1455 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
f5fc0f86 LC |
1456 | break; |
1457 | case ALG_CCMP: | |
1458 | key_type = KEY_AES; | |
1459 | ||
1460 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
04e36fc5 JO |
1461 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
1462 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
f5fc0f86 LC |
1463 | break; |
1464 | default: | |
1465 | wl1271_error("Unknown key algo 0x%x", key_conf->alg); | |
1466 | ||
1467 | ret = -EOPNOTSUPP; | |
1468 | goto out_sleep; | |
1469 | } | |
1470 | ||
1471 | switch (cmd) { | |
1472 | case SET_KEY: | |
1473 | ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE, | |
1474 | key_conf->keyidx, key_type, | |
1475 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1476 | addr, tx_seq_32, tx_seq_16); |
f5fc0f86 LC |
1477 | if (ret < 0) { |
1478 | wl1271_error("Could not add or replace key"); | |
1479 | goto out_sleep; | |
1480 | } | |
ee444cf0 JO |
1481 | |
1482 | /* the default WEP key needs to be configured at least once */ | |
1483 | if (key_type == KEY_WEP) { | |
1484 | ret = wl1271_cmd_set_default_wep_key(wl, | |
1485 | wl->default_key); | |
1486 | if (ret < 0) | |
1487 | goto out_sleep; | |
1488 | } | |
f5fc0f86 LC |
1489 | break; |
1490 | ||
1491 | case DISABLE_KEY: | |
fddc7dd7 JO |
1492 | /* The wl1271 does not allow to remove unicast keys - they |
1493 | will be cleared automatically on next CMD_JOIN. Ignore the | |
1494 | request silently, as we dont want the mac80211 to emit | |
1495 | an error message. */ | |
1496 | if (!is_broadcast_ether_addr(addr)) | |
1497 | break; | |
1498 | ||
f5fc0f86 LC |
1499 | ret = wl1271_cmd_set_key(wl, KEY_REMOVE, |
1500 | key_conf->keyidx, key_type, | |
1501 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1502 | addr, 0, 0); |
f5fc0f86 LC |
1503 | if (ret < 0) { |
1504 | wl1271_error("Could not remove key"); | |
1505 | goto out_sleep; | |
1506 | } | |
1507 | break; | |
1508 | ||
1509 | default: | |
1510 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
1511 | ret = -EOPNOTSUPP; | |
1512 | goto out_sleep; | |
1513 | ||
1514 | break; | |
1515 | } | |
1516 | ||
1517 | out_sleep: | |
1518 | wl1271_ps_elp_sleep(wl); | |
1519 | ||
1520 | out_unlock: | |
1521 | mutex_unlock(&wl->mutex); | |
1522 | ||
1523 | out: | |
1524 | return ret; | |
1525 | } | |
1526 | ||
1527 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, | |
1528 | struct cfg80211_scan_request *req) | |
1529 | { | |
1530 | struct wl1271 *wl = hw->priv; | |
1531 | int ret; | |
1532 | u8 *ssid = NULL; | |
abb0b3bf | 1533 | size_t len = 0; |
f5fc0f86 LC |
1534 | |
1535 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
1536 | ||
1537 | if (req->n_ssids) { | |
1538 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 1539 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
1540 | } |
1541 | ||
1542 | mutex_lock(&wl->mutex); | |
1543 | ||
1544 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1545 | if (ret < 0) | |
1546 | goto out; | |
1547 | ||
abb0b3bf | 1548 | if (wl1271_11a_enabled()) |
818e3063 KV |
1549 | ret = wl1271_cmd_scan(hw->priv, ssid, len, |
1550 | req->ie, req->ie_len, 1, 0, | |
abb0b3bf TP |
1551 | WL1271_SCAN_BAND_DUAL, 3); |
1552 | else | |
818e3063 KV |
1553 | ret = wl1271_cmd_scan(hw->priv, ssid, len, |
1554 | req->ie, req->ie_len, 1, 0, | |
abb0b3bf | 1555 | WL1271_SCAN_BAND_2_4_GHZ, 3); |
f5fc0f86 LC |
1556 | |
1557 | wl1271_ps_elp_sleep(wl); | |
1558 | ||
1559 | out: | |
1560 | mutex_unlock(&wl->mutex); | |
1561 | ||
1562 | return ret; | |
1563 | } | |
1564 | ||
1565 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
1566 | { | |
1567 | struct wl1271 *wl = hw->priv; | |
1568 | int ret; | |
1569 | ||
1570 | mutex_lock(&wl->mutex); | |
1571 | ||
1572 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1573 | if (ret < 0) | |
1574 | goto out; | |
1575 | ||
1576 | ret = wl1271_acx_rts_threshold(wl, (u16) value); | |
1577 | if (ret < 0) | |
1578 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); | |
1579 | ||
1580 | wl1271_ps_elp_sleep(wl); | |
1581 | ||
1582 | out: | |
1583 | mutex_unlock(&wl->mutex); | |
1584 | ||
1585 | return ret; | |
1586 | } | |
1587 | ||
30240fc7 JO |
1588 | static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon) |
1589 | { | |
1590 | u8 *ptr = beacon->data + | |
1591 | offsetof(struct ieee80211_mgmt, u.beacon.variable); | |
1592 | ||
1593 | /* find the location of the ssid in the beacon */ | |
1594 | while (ptr < beacon->data + beacon->len) { | |
1595 | if (ptr[0] == WLAN_EID_SSID) { | |
1596 | wl->ssid_len = ptr[1]; | |
1597 | memcpy(wl->ssid, ptr+2, wl->ssid_len); | |
1598 | return; | |
1599 | } | |
1600 | ptr += ptr[1]; | |
1601 | } | |
1602 | wl1271_error("ad-hoc beacon template has no SSID!\n"); | |
1603 | } | |
1604 | ||
f5fc0f86 LC |
1605 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, |
1606 | struct ieee80211_vif *vif, | |
1607 | struct ieee80211_bss_conf *bss_conf, | |
1608 | u32 changed) | |
1609 | { | |
1610 | enum wl1271_cmd_ps_mode mode; | |
1611 | struct wl1271 *wl = hw->priv; | |
8bf29b0e | 1612 | bool do_join = false; |
40b359c6 | 1613 | bool do_keepalive = false; |
f5fc0f86 LC |
1614 | int ret; |
1615 | ||
1616 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed"); | |
1617 | ||
1618 | mutex_lock(&wl->mutex); | |
1619 | ||
1620 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1621 | if (ret < 0) | |
1622 | goto out; | |
1623 | ||
60e84c2e JO |
1624 | if ((changed && BSS_CHANGED_BEACON_INT) && |
1625 | (wl->bss_type == BSS_TYPE_IBSS)) { | |
1626 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon interval updated: %d", | |
1627 | bss_conf->beacon_int); | |
1628 | ||
1629 | wl->beacon_int = bss_conf->beacon_int; | |
1630 | do_join = true; | |
1631 | } | |
1632 | ||
5da11dcd JO |
1633 | if ((changed && BSS_CHANGED_BEACON) && |
1634 | (wl->bss_type == BSS_TYPE_IBSS)) { | |
e0d8bbf0 JO |
1635 | struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); |
1636 | ||
5da11dcd JO |
1637 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon updated"); |
1638 | ||
e0d8bbf0 JO |
1639 | if (beacon) { |
1640 | struct ieee80211_hdr *hdr; | |
30240fc7 JO |
1641 | |
1642 | wl1271_ssid_set(wl, beacon); | |
e0d8bbf0 JO |
1643 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, |
1644 | beacon->data, | |
606c1487 JO |
1645 | beacon->len, 0, |
1646 | wl1271_min_rate_get(wl)); | |
e0d8bbf0 JO |
1647 | |
1648 | if (ret < 0) { | |
1649 | dev_kfree_skb(beacon); | |
1650 | goto out_sleep; | |
1651 | } | |
1652 | ||
1653 | hdr = (struct ieee80211_hdr *) beacon->data; | |
1654 | hdr->frame_control = cpu_to_le16( | |
1655 | IEEE80211_FTYPE_MGMT | | |
1656 | IEEE80211_STYPE_PROBE_RESP); | |
1657 | ||
1658 | ret = wl1271_cmd_template_set(wl, | |
1659 | CMD_TEMPL_PROBE_RESPONSE, | |
1660 | beacon->data, | |
606c1487 JO |
1661 | beacon->len, 0, |
1662 | wl1271_min_rate_get(wl)); | |
e0d8bbf0 JO |
1663 | dev_kfree_skb(beacon); |
1664 | if (ret < 0) | |
1665 | goto out_sleep; | |
8bf29b0e JO |
1666 | |
1667 | /* Need to update the SSID (for filtering etc) */ | |
1668 | do_join = true; | |
e0d8bbf0 JO |
1669 | } |
1670 | } | |
1671 | ||
5da11dcd JO |
1672 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && |
1673 | (wl->bss_type == BSS_TYPE_IBSS)) { | |
1674 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", | |
1675 | bss_conf->enable_beacon ? "enabled" : "disabled"); | |
1676 | ||
1677 | if (bss_conf->enable_beacon) | |
1678 | wl->set_bss_type = BSS_TYPE_IBSS; | |
1679 | else | |
1680 | wl->set_bss_type = BSS_TYPE_STA_BSS; | |
1681 | do_join = true; | |
1682 | } | |
1683 | ||
30240fc7 JO |
1684 | if ((changed & BSS_CHANGED_BSSID) && |
1685 | /* | |
1686 | * Now we know the correct bssid, so we send a new join command | |
1687 | * and enable the BSSID filter | |
1688 | */ | |
1689 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { | |
30240fc7 | 1690 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); |
a0cb7be4 | 1691 | |
30240fc7 | 1692 | ret = wl1271_cmd_build_null_data(wl); |
a0cb7be4 | 1693 | if (ret < 0) |
30240fc7 | 1694 | goto out_sleep; |
30240fc7 | 1695 | |
14b228a0 JO |
1696 | /* filter out all packets not from this BSSID */ |
1697 | wl1271_configure_filters(wl, 0); | |
1698 | ||
8bf29b0e JO |
1699 | /* Need to update the BSSID (for filtering etc) */ |
1700 | do_join = true; | |
30240fc7 JO |
1701 | } |
1702 | ||
f5fc0f86 LC |
1703 | if (changed & BSS_CHANGED_ASSOC) { |
1704 | if (bss_conf->assoc) { | |
ebba60c6 | 1705 | u32 rates; |
f5fc0f86 | 1706 | wl->aid = bss_conf->aid; |
830fb67b | 1707 | set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
f5fc0f86 | 1708 | |
ebba60c6 JO |
1709 | /* |
1710 | * use basic rates from AP, and determine lowest rate | |
1711 | * to use with control frames. | |
1712 | */ | |
1713 | rates = bss_conf->basic_rates; | |
1714 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, | |
1715 | rates); | |
1716 | wl->basic_rate = wl1271_min_rate_get(wl); | |
1717 | ret = wl1271_acx_rate_policies(wl); | |
1718 | if (ret < 0) | |
1719 | goto out_sleep; | |
1720 | ||
ae751bab LC |
1721 | /* |
1722 | * with wl1271, we don't need to update the | |
1723 | * beacon_int and dtim_period, because the firmware | |
1724 | * updates it by itself when the first beacon is | |
1725 | * received after a join. | |
1726 | */ | |
f5fc0f86 LC |
1727 | ret = wl1271_cmd_build_ps_poll(wl, wl->aid); |
1728 | if (ret < 0) | |
1729 | goto out_sleep; | |
1730 | ||
c2b2d99b JO |
1731 | /* |
1732 | * The SSID is intentionally set to NULL here - the | |
1733 | * firmware will set the probe request with a | |
1734 | * broadcast SSID regardless of what we set in the | |
1735 | * template. | |
1736 | */ | |
1737 | ret = wl1271_cmd_build_probe_req(wl, NULL, 0, | |
1738 | NULL, 0, wl->band); | |
1739 | ||
c1899554 JO |
1740 | /* Enable the keep-alive feature */ |
1741 | ret = wl1271_acx_keep_alive_mode(wl, true); | |
f5fc0f86 LC |
1742 | if (ret < 0) |
1743 | goto out_sleep; | |
1744 | ||
40b359c6 JO |
1745 | /* |
1746 | * This is awkward. The keep-alive configs must be done | |
1747 | * *after* the join command, because otherwise it will | |
1748 | * not work, but it must only be done *once* because | |
1749 | * otherwise the firmware will start complaining. | |
1750 | */ | |
1751 | do_keepalive = true; | |
1752 | ||
6ccbb92e JO |
1753 | /* enable the connection monitoring feature */ |
1754 | ret = wl1271_acx_conn_monit_params(wl, true); | |
1755 | if (ret < 0) | |
1756 | goto out_sleep; | |
1757 | ||
f5fc0f86 | 1758 | /* If we want to go in PSM but we're not there yet */ |
71449f8d JO |
1759 | if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) && |
1760 | !test_bit(WL1271_FLAG_PSM, &wl->flags)) { | |
f5fc0f86 | 1761 | mode = STATION_POWER_SAVE_MODE; |
d8c42c0c | 1762 | ret = wl1271_ps_set_mode(wl, mode, true); |
f5fc0f86 LC |
1763 | if (ret < 0) |
1764 | goto out_sleep; | |
1765 | } | |
d94cd297 JO |
1766 | } else { |
1767 | /* use defaults when not associated */ | |
830fb67b | 1768 | clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
d94cd297 | 1769 | wl->aid = 0; |
6ccbb92e | 1770 | |
ebba60c6 JO |
1771 | /* revert back to minimum rates for the current band */ |
1772 | wl1271_set_band_rate(wl); | |
1773 | wl->basic_rate = wl1271_min_rate_get(wl); | |
1774 | ret = wl1271_acx_rate_policies(wl); | |
1775 | if (ret < 0) | |
1776 | goto out_sleep; | |
1777 | ||
6ccbb92e JO |
1778 | /* disable connection monitor features */ |
1779 | ret = wl1271_acx_conn_monit_params(wl, false); | |
c1899554 JO |
1780 | |
1781 | /* Disable the keep-alive feature */ | |
1782 | ret = wl1271_acx_keep_alive_mode(wl, false); | |
1783 | ||
6ccbb92e JO |
1784 | if (ret < 0) |
1785 | goto out_sleep; | |
f5fc0f86 | 1786 | } |
d94cd297 | 1787 | |
f5fc0f86 | 1788 | } |
8a5a37a6 | 1789 | |
f5fc0f86 LC |
1790 | if (changed & BSS_CHANGED_ERP_SLOT) { |
1791 | if (bss_conf->use_short_slot) | |
1792 | ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); | |
1793 | else | |
1794 | ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); | |
1795 | if (ret < 0) { | |
1796 | wl1271_warning("Set slot time failed %d", ret); | |
1797 | goto out_sleep; | |
1798 | } | |
1799 | } | |
1800 | ||
1801 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
1802 | if (bss_conf->use_short_preamble) | |
1803 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); | |
1804 | else | |
1805 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); | |
1806 | } | |
1807 | ||
1808 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
1809 | if (bss_conf->use_cts_prot) | |
1810 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); | |
1811 | else | |
1812 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); | |
1813 | if (ret < 0) { | |
1814 | wl1271_warning("Set ctsprotect failed %d", ret); | |
1815 | goto out_sleep; | |
1816 | } | |
1817 | } | |
1818 | ||
8bf29b0e | 1819 | if (do_join) { |
5da11dcd | 1820 | ret = wl1271_cmd_join(wl, wl->set_bss_type); |
8bf29b0e JO |
1821 | if (ret < 0) { |
1822 | wl1271_warning("cmd join failed %d", ret); | |
1823 | goto out_sleep; | |
1824 | } | |
1825 | set_bit(WL1271_FLAG_JOINED, &wl->flags); | |
1826 | } | |
1827 | ||
c1899554 JO |
1828 | /* |
1829 | * The JOIN operation shuts down the firmware keep-alive as a side | |
1830 | * effect, and the ACX_AID will start the keep-alive as a side effect. | |
1831 | * Hence, for non-IBSS, the ACX_AID must always happen *after* the | |
1832 | * JOIN operation, and the template config after the ACX_AID. | |
1833 | */ | |
1834 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { | |
1835 | ret = wl1271_acx_aid(wl, wl->aid); | |
1836 | if (ret < 0) | |
1837 | goto out_sleep; | |
40b359c6 JO |
1838 | } |
1839 | ||
1840 | if (do_keepalive) { | |
c1899554 JO |
1841 | ret = wl1271_cmd_build_klv_null_data(wl); |
1842 | if (ret < 0) | |
1843 | goto out_sleep; | |
1844 | ret = wl1271_acx_keep_alive_config( | |
1845 | wl, CMD_TEMPL_KLV_IDX_NULL_DATA, | |
1846 | ACX_KEEP_ALIVE_TPL_VALID); | |
1847 | if (ret < 0) | |
1848 | goto out_sleep; | |
1849 | } | |
1850 | ||
f5fc0f86 LC |
1851 | out_sleep: |
1852 | wl1271_ps_elp_sleep(wl); | |
1853 | ||
1854 | out: | |
1855 | mutex_unlock(&wl->mutex); | |
1856 | } | |
1857 | ||
c6999d83 KV |
1858 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, |
1859 | const struct ieee80211_tx_queue_params *params) | |
1860 | { | |
1861 | struct wl1271 *wl = hw->priv; | |
4695dc91 | 1862 | u8 ps_scheme; |
c6999d83 KV |
1863 | int ret; |
1864 | ||
1865 | mutex_lock(&wl->mutex); | |
1866 | ||
1867 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
1868 | ||
c82c1dde KV |
1869 | ret = wl1271_ps_elp_wakeup(wl, false); |
1870 | if (ret < 0) | |
1871 | goto out; | |
1872 | ||
b43316db | 1873 | /* the txop is confed in units of 32us by the mac80211, we need us */ |
c6999d83 KV |
1874 | ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue), |
1875 | params->cw_min, params->cw_max, | |
b43316db | 1876 | params->aifs, params->txop << 5); |
c6999d83 | 1877 | if (ret < 0) |
c82c1dde | 1878 | goto out_sleep; |
c6999d83 | 1879 | |
4695dc91 KV |
1880 | if (params->uapsd) |
1881 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; | |
1882 | else | |
1883 | ps_scheme = CONF_PS_SCHEME_LEGACY; | |
1884 | ||
c6999d83 KV |
1885 | ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue), |
1886 | CONF_CHANNEL_TYPE_EDCF, | |
1887 | wl1271_tx_get_queue(queue), | |
4695dc91 | 1888 | ps_scheme, CONF_ACK_POLICY_LEGACY, 0, 0); |
c6999d83 | 1889 | if (ret < 0) |
c82c1dde KV |
1890 | goto out_sleep; |
1891 | ||
1892 | out_sleep: | |
1893 | wl1271_ps_elp_sleep(wl); | |
c6999d83 KV |
1894 | |
1895 | out: | |
1896 | mutex_unlock(&wl->mutex); | |
1897 | ||
1898 | return ret; | |
1899 | } | |
1900 | ||
f5fc0f86 LC |
1901 | |
1902 | /* can't be const, mac80211 writes to this */ | |
1903 | static struct ieee80211_rate wl1271_rates[] = { | |
1904 | { .bitrate = 10, | |
2b60100b JO |
1905 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
1906 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 1907 | { .bitrate = 20, |
2b60100b JO |
1908 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
1909 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
1910 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1911 | { .bitrate = 55, | |
2b60100b JO |
1912 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
1913 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
1914 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1915 | { .bitrate = 110, | |
2b60100b JO |
1916 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
1917 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
1918 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1919 | { .bitrate = 60, | |
2b60100b JO |
1920 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
1921 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 1922 | { .bitrate = 90, |
2b60100b JO |
1923 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
1924 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 1925 | { .bitrate = 120, |
2b60100b JO |
1926 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
1927 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 1928 | { .bitrate = 180, |
2b60100b JO |
1929 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
1930 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 1931 | { .bitrate = 240, |
2b60100b JO |
1932 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
1933 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 1934 | { .bitrate = 360, |
2b60100b JO |
1935 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
1936 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 1937 | { .bitrate = 480, |
2b60100b JO |
1938 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
1939 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 1940 | { .bitrate = 540, |
2b60100b JO |
1941 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
1942 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
1943 | }; |
1944 | ||
1945 | /* can't be const, mac80211 writes to this */ | |
1946 | static struct ieee80211_channel wl1271_channels[] = { | |
a2d0e3f1 LC |
1947 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
1948 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, | |
1949 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, | |
1950 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, | |
1951 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, | |
1952 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, | |
1953 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, | |
1954 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, | |
1955 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, | |
1956 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, | |
1957 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, | |
1958 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, | |
1959 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, | |
f5fc0f86 LC |
1960 | }; |
1961 | ||
f876bb9a JO |
1962 | /* mapping to indexes for wl1271_rates */ |
1963 | const static u8 wl1271_rate_to_idx_2ghz[] = { | |
1964 | /* MCS rates are used only with 11n */ | |
1965 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */ | |
1966 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */ | |
1967 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */ | |
1968 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */ | |
1969 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */ | |
1970 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */ | |
1971 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */ | |
1972 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */ | |
1973 | ||
1974 | 11, /* CONF_HW_RXTX_RATE_54 */ | |
1975 | 10, /* CONF_HW_RXTX_RATE_48 */ | |
1976 | 9, /* CONF_HW_RXTX_RATE_36 */ | |
1977 | 8, /* CONF_HW_RXTX_RATE_24 */ | |
1978 | ||
1979 | /* TI-specific rate */ | |
1980 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ | |
1981 | ||
1982 | 7, /* CONF_HW_RXTX_RATE_18 */ | |
1983 | 6, /* CONF_HW_RXTX_RATE_12 */ | |
1984 | 3, /* CONF_HW_RXTX_RATE_11 */ | |
1985 | 5, /* CONF_HW_RXTX_RATE_9 */ | |
1986 | 4, /* CONF_HW_RXTX_RATE_6 */ | |
1987 | 2, /* CONF_HW_RXTX_RATE_5_5 */ | |
1988 | 1, /* CONF_HW_RXTX_RATE_2 */ | |
1989 | 0 /* CONF_HW_RXTX_RATE_1 */ | |
1990 | }; | |
1991 | ||
f5fc0f86 LC |
1992 | /* can't be const, mac80211 writes to this */ |
1993 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
1994 | .channels = wl1271_channels, | |
1995 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
1996 | .bitrates = wl1271_rates, | |
1997 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
1998 | }; | |
1999 | ||
1ebec3d7 TP |
2000 | /* 5 GHz data rates for WL1273 */ |
2001 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
2002 | { .bitrate = 60, | |
2003 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
2004 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
2005 | { .bitrate = 90, | |
2006 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
2007 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
2008 | { .bitrate = 120, | |
2009 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
2010 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
2011 | { .bitrate = 180, | |
2012 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
2013 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
2014 | { .bitrate = 240, | |
2015 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
2016 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
2017 | { .bitrate = 360, | |
2018 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
2019 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
2020 | { .bitrate = 480, | |
2021 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
2022 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
2023 | { .bitrate = 540, | |
2024 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
2025 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
2026 | }; | |
2027 | ||
2028 | /* 5 GHz band channels for WL1273 */ | |
2029 | static struct ieee80211_channel wl1271_channels_5ghz[] = { | |
2030 | { .hw_value = 183, .center_freq = 4915}, | |
2031 | { .hw_value = 184, .center_freq = 4920}, | |
2032 | { .hw_value = 185, .center_freq = 4925}, | |
2033 | { .hw_value = 187, .center_freq = 4935}, | |
2034 | { .hw_value = 188, .center_freq = 4940}, | |
2035 | { .hw_value = 189, .center_freq = 4945}, | |
2036 | { .hw_value = 192, .center_freq = 4960}, | |
2037 | { .hw_value = 196, .center_freq = 4980}, | |
2038 | { .hw_value = 7, .center_freq = 5035}, | |
2039 | { .hw_value = 8, .center_freq = 5040}, | |
2040 | { .hw_value = 9, .center_freq = 5045}, | |
2041 | { .hw_value = 11, .center_freq = 5055}, | |
2042 | { .hw_value = 12, .center_freq = 5060}, | |
2043 | { .hw_value = 16, .center_freq = 5080}, | |
2044 | { .hw_value = 34, .center_freq = 5170}, | |
2045 | { .hw_value = 36, .center_freq = 5180}, | |
2046 | { .hw_value = 38, .center_freq = 5190}, | |
2047 | { .hw_value = 40, .center_freq = 5200}, | |
2048 | { .hw_value = 42, .center_freq = 5210}, | |
2049 | { .hw_value = 44, .center_freq = 5220}, | |
2050 | { .hw_value = 46, .center_freq = 5230}, | |
2051 | { .hw_value = 48, .center_freq = 5240}, | |
2052 | { .hw_value = 52, .center_freq = 5260}, | |
2053 | { .hw_value = 56, .center_freq = 5280}, | |
2054 | { .hw_value = 60, .center_freq = 5300}, | |
2055 | { .hw_value = 64, .center_freq = 5320}, | |
2056 | { .hw_value = 100, .center_freq = 5500}, | |
2057 | { .hw_value = 104, .center_freq = 5520}, | |
2058 | { .hw_value = 108, .center_freq = 5540}, | |
2059 | { .hw_value = 112, .center_freq = 5560}, | |
2060 | { .hw_value = 116, .center_freq = 5580}, | |
2061 | { .hw_value = 120, .center_freq = 5600}, | |
2062 | { .hw_value = 124, .center_freq = 5620}, | |
2063 | { .hw_value = 128, .center_freq = 5640}, | |
2064 | { .hw_value = 132, .center_freq = 5660}, | |
2065 | { .hw_value = 136, .center_freq = 5680}, | |
2066 | { .hw_value = 140, .center_freq = 5700}, | |
2067 | { .hw_value = 149, .center_freq = 5745}, | |
2068 | { .hw_value = 153, .center_freq = 5765}, | |
2069 | { .hw_value = 157, .center_freq = 5785}, | |
2070 | { .hw_value = 161, .center_freq = 5805}, | |
2071 | { .hw_value = 165, .center_freq = 5825}, | |
2072 | }; | |
2073 | ||
f876bb9a JO |
2074 | /* mapping to indexes for wl1271_rates_5ghz */ |
2075 | const static u8 wl1271_rate_to_idx_5ghz[] = { | |
2076 | /* MCS rates are used only with 11n */ | |
2077 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */ | |
2078 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */ | |
2079 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */ | |
2080 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */ | |
2081 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */ | |
2082 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */ | |
2083 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */ | |
2084 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */ | |
2085 | ||
2086 | 7, /* CONF_HW_RXTX_RATE_54 */ | |
2087 | 6, /* CONF_HW_RXTX_RATE_48 */ | |
2088 | 5, /* CONF_HW_RXTX_RATE_36 */ | |
2089 | 4, /* CONF_HW_RXTX_RATE_24 */ | |
2090 | ||
2091 | /* TI-specific rate */ | |
2092 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ | |
2093 | ||
2094 | 3, /* CONF_HW_RXTX_RATE_18 */ | |
2095 | 2, /* CONF_HW_RXTX_RATE_12 */ | |
2096 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */ | |
2097 | 1, /* CONF_HW_RXTX_RATE_9 */ | |
2098 | 0, /* CONF_HW_RXTX_RATE_6 */ | |
2099 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */ | |
2100 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */ | |
2101 | CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */ | |
2102 | }; | |
1ebec3d7 TP |
2103 | |
2104 | static struct ieee80211_supported_band wl1271_band_5ghz = { | |
2105 | .channels = wl1271_channels_5ghz, | |
2106 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
2107 | .bitrates = wl1271_rates_5ghz, | |
2108 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
2109 | }; | |
2110 | ||
f876bb9a JO |
2111 | const static u8 *wl1271_band_rate_to_idx[] = { |
2112 | [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz, | |
2113 | [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz | |
2114 | }; | |
2115 | ||
f5fc0f86 LC |
2116 | static const struct ieee80211_ops wl1271_ops = { |
2117 | .start = wl1271_op_start, | |
2118 | .stop = wl1271_op_stop, | |
2119 | .add_interface = wl1271_op_add_interface, | |
2120 | .remove_interface = wl1271_op_remove_interface, | |
2121 | .config = wl1271_op_config, | |
c87dec9f | 2122 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
2123 | .configure_filter = wl1271_op_configure_filter, |
2124 | .tx = wl1271_op_tx, | |
2125 | .set_key = wl1271_op_set_key, | |
2126 | .hw_scan = wl1271_op_hw_scan, | |
2127 | .bss_info_changed = wl1271_op_bss_info_changed, | |
2128 | .set_rts_threshold = wl1271_op_set_rts_threshold, | |
c6999d83 | 2129 | .conf_tx = wl1271_op_conf_tx, |
c8c90873 | 2130 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
2131 | }; |
2132 | ||
f876bb9a JO |
2133 | |
2134 | u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate) | |
2135 | { | |
2136 | u8 idx; | |
2137 | ||
2138 | BUG_ON(wl->band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *)); | |
2139 | ||
2140 | if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) { | |
2141 | wl1271_error("Illegal RX rate from HW: %d", rate); | |
2142 | return 0; | |
2143 | } | |
2144 | ||
2145 | idx = wl1271_band_rate_to_idx[wl->band][rate]; | |
2146 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { | |
2147 | wl1271_error("Unsupported RX rate from HW: %d", rate); | |
2148 | return 0; | |
2149 | } | |
2150 | ||
2151 | return idx; | |
2152 | } | |
2153 | ||
7fc3a864 JO |
2154 | static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev, |
2155 | struct device_attribute *attr, | |
2156 | char *buf) | |
2157 | { | |
2158 | struct wl1271 *wl = dev_get_drvdata(dev); | |
2159 | ssize_t len; | |
2160 | ||
2161 | /* FIXME: what's the maximum length of buf? page size?*/ | |
2162 | len = 500; | |
2163 | ||
2164 | mutex_lock(&wl->mutex); | |
2165 | len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n", | |
2166 | wl->sg_enabled); | |
2167 | mutex_unlock(&wl->mutex); | |
2168 | ||
2169 | return len; | |
2170 | ||
2171 | } | |
2172 | ||
2173 | static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev, | |
2174 | struct device_attribute *attr, | |
2175 | const char *buf, size_t count) | |
2176 | { | |
2177 | struct wl1271 *wl = dev_get_drvdata(dev); | |
2178 | unsigned long res; | |
2179 | int ret; | |
2180 | ||
2181 | ret = strict_strtoul(buf, 10, &res); | |
2182 | ||
2183 | if (ret < 0) { | |
2184 | wl1271_warning("incorrect value written to bt_coex_mode"); | |
2185 | return count; | |
2186 | } | |
2187 | ||
2188 | mutex_lock(&wl->mutex); | |
2189 | ||
2190 | res = !!res; | |
2191 | ||
2192 | if (res == wl->sg_enabled) | |
2193 | goto out; | |
2194 | ||
2195 | wl->sg_enabled = res; | |
2196 | ||
2197 | if (wl->state == WL1271_STATE_OFF) | |
2198 | goto out; | |
2199 | ||
2200 | ret = wl1271_ps_elp_wakeup(wl, false); | |
2201 | if (ret < 0) | |
2202 | goto out; | |
2203 | ||
2204 | wl1271_acx_sg_enable(wl, wl->sg_enabled); | |
2205 | wl1271_ps_elp_sleep(wl); | |
2206 | ||
2207 | out: | |
2208 | mutex_unlock(&wl->mutex); | |
2209 | return count; | |
2210 | } | |
2211 | ||
2212 | static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR, | |
2213 | wl1271_sysfs_show_bt_coex_state, | |
2214 | wl1271_sysfs_store_bt_coex_state); | |
2215 | ||
2d5e82b8 | 2216 | int wl1271_register_hw(struct wl1271 *wl) |
f5fc0f86 LC |
2217 | { |
2218 | int ret; | |
2219 | ||
2220 | if (wl->mac80211_registered) | |
2221 | return 0; | |
2222 | ||
2223 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); | |
2224 | ||
2225 | ret = ieee80211_register_hw(wl->hw); | |
2226 | if (ret < 0) { | |
2227 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
2228 | return ret; | |
2229 | } | |
2230 | ||
2231 | wl->mac80211_registered = true; | |
2232 | ||
2233 | wl1271_notice("loaded"); | |
2234 | ||
2235 | return 0; | |
2236 | } | |
50b3eb4b | 2237 | EXPORT_SYMBOL_GPL(wl1271_register_hw); |
f5fc0f86 | 2238 | |
3b56dd6a TP |
2239 | void wl1271_unregister_hw(struct wl1271 *wl) |
2240 | { | |
2241 | ieee80211_unregister_hw(wl->hw); | |
2242 | wl->mac80211_registered = false; | |
2243 | ||
2244 | } | |
2245 | EXPORT_SYMBOL_GPL(wl1271_unregister_hw); | |
2246 | ||
2d5e82b8 | 2247 | int wl1271_init_ieee80211(struct wl1271 *wl) |
f5fc0f86 | 2248 | { |
1e2b7976 JO |
2249 | /* The tx descriptor buffer and the TKIP space. */ |
2250 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + | |
2251 | sizeof(struct wl1271_tx_hw_descr); | |
f5fc0f86 LC |
2252 | |
2253 | /* unit us */ | |
2254 | /* FIXME: find a proper value */ | |
2255 | wl->hw->channel_change_time = 10000; | |
2256 | ||
2257 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
1922167b | 2258 | IEEE80211_HW_NOISE_DBM | |
03442a33 | 2259 | IEEE80211_HW_BEACON_FILTER | |
0a34332f | 2260 | IEEE80211_HW_SUPPORTS_PS | |
4695dc91 | 2261 | IEEE80211_HW_SUPPORTS_UAPSD | |
a9af092b JO |
2262 | IEEE80211_HW_HAS_RATE_CONTROL | |
2263 | IEEE80211_HW_CONNECTION_MONITOR; | |
f5fc0f86 | 2264 | |
e0d8bbf0 JO |
2265 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
2266 | BIT(NL80211_IFTYPE_ADHOC); | |
f5fc0f86 LC |
2267 | wl->hw->wiphy->max_scan_ssids = 1; |
2268 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz; | |
2269 | ||
1ebec3d7 TP |
2270 | if (wl1271_11a_enabled()) |
2271 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz; | |
2272 | ||
12bd8949 | 2273 | wl->hw->queues = 4; |
31627dc5 | 2274 | wl->hw->max_rates = 1; |
12bd8949 | 2275 | |
8197b711 | 2276 | SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
2277 | |
2278 | return 0; | |
2279 | } | |
50b3eb4b | 2280 | EXPORT_SYMBOL_GPL(wl1271_init_ieee80211); |
f5fc0f86 | 2281 | |
f5fc0f86 | 2282 | #define WL1271_DEFAULT_CHANNEL 0 |
c332a4b8 | 2283 | |
2d5e82b8 | 2284 | struct ieee80211_hw *wl1271_alloc_hw(void) |
f5fc0f86 | 2285 | { |
f5fc0f86 | 2286 | struct ieee80211_hw *hw; |
3b56dd6a | 2287 | struct platform_device *plat_dev = NULL; |
f5fc0f86 | 2288 | struct wl1271 *wl; |
a1dd8187 | 2289 | int i, ret; |
f5fc0f86 LC |
2290 | |
2291 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
2292 | if (!hw) { | |
2293 | wl1271_error("could not alloc ieee80211_hw"); | |
a1dd8187 | 2294 | ret = -ENOMEM; |
3b56dd6a TP |
2295 | goto err_hw_alloc; |
2296 | } | |
2297 | ||
2298 | plat_dev = kmalloc(sizeof(wl1271_device), GFP_KERNEL); | |
2299 | if (!plat_dev) { | |
2300 | wl1271_error("could not allocate platform_device"); | |
2301 | ret = -ENOMEM; | |
2302 | goto err_plat_alloc; | |
f5fc0f86 LC |
2303 | } |
2304 | ||
3b56dd6a TP |
2305 | memcpy(plat_dev, &wl1271_device, sizeof(wl1271_device)); |
2306 | ||
f5fc0f86 LC |
2307 | wl = hw->priv; |
2308 | memset(wl, 0, sizeof(*wl)); | |
2309 | ||
01c09162 JO |
2310 | INIT_LIST_HEAD(&wl->list); |
2311 | ||
f5fc0f86 | 2312 | wl->hw = hw; |
3b56dd6a | 2313 | wl->plat_dev = plat_dev; |
f5fc0f86 LC |
2314 | |
2315 | skb_queue_head_init(&wl->tx_queue); | |
2316 | ||
37b70a81 | 2317 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
f5fc0f86 | 2318 | wl->channel = WL1271_DEFAULT_CHANNEL; |
60e84c2e | 2319 | wl->beacon_int = WL1271_DEFAULT_BEACON_INT; |
f5fc0f86 | 2320 | wl->default_key = 0; |
f5fc0f86 LC |
2321 | wl->rx_counter = 0; |
2322 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
2323 | wl->rx_filter = WL1271_DEFAULT_RX_FILTER; | |
19ad0715 | 2324 | wl->psm_entry_retry = 0; |
f5fc0f86 | 2325 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
a6fe2313 | 2326 | wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
ebba60c6 | 2327 | wl->basic_rate = CONF_TX_RATE_MASK_BASIC; |
830fb67b JO |
2328 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
2329 | wl->sta_rate_set = 0; | |
8a5a37a6 | 2330 | wl->band = IEEE80211_BAND_2GHZ; |
b771eee5 | 2331 | wl->vif = NULL; |
830fb67b | 2332 | wl->flags = 0; |
7fc3a864 | 2333 | wl->sg_enabled = true; |
f5fc0f86 | 2334 | |
be7078c2 | 2335 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
f5fc0f86 LC |
2336 | wl->tx_frames[i] = NULL; |
2337 | ||
2338 | spin_lock_init(&wl->wl_lock); | |
2339 | ||
f5fc0f86 LC |
2340 | wl->state = WL1271_STATE_OFF; |
2341 | mutex_init(&wl->mutex); | |
2342 | ||
c332a4b8 TP |
2343 | /* Apply default driver configuration. */ |
2344 | wl1271_conf_init(wl); | |
2345 | ||
2d5e82b8 TP |
2346 | wl1271_debugfs_init(wl); |
2347 | ||
a1dd8187 | 2348 | /* Register platform device */ |
3b56dd6a | 2349 | ret = platform_device_register(wl->plat_dev); |
a1dd8187 JO |
2350 | if (ret) { |
2351 | wl1271_error("couldn't register platform device"); | |
2352 | goto err_hw; | |
2353 | } | |
3b56dd6a | 2354 | dev_set_drvdata(&wl->plat_dev->dev, wl); |
a1dd8187 | 2355 | |
7fc3a864 | 2356 | /* Create sysfs file to control bt coex state */ |
3b56dd6a | 2357 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); |
7fc3a864 JO |
2358 | if (ret < 0) { |
2359 | wl1271_error("failed to create sysfs file bt_coex_state"); | |
2360 | goto err_platform; | |
2361 | } | |
a1dd8187 | 2362 | |
c332a4b8 | 2363 | return hw; |
a1dd8187 | 2364 | |
7fc3a864 | 2365 | err_platform: |
3b56dd6a | 2366 | platform_device_unregister(wl->plat_dev); |
7fc3a864 | 2367 | |
a1dd8187 | 2368 | err_hw: |
3b56dd6a TP |
2369 | wl1271_debugfs_exit(wl); |
2370 | kfree(plat_dev); | |
2371 | ||
2372 | err_plat_alloc: | |
2373 | ieee80211_free_hw(hw); | |
2374 | ||
2375 | err_hw_alloc: | |
a1dd8187 | 2376 | |
a1dd8187 | 2377 | return ERR_PTR(ret); |
c332a4b8 | 2378 | } |
50b3eb4b | 2379 | EXPORT_SYMBOL_GPL(wl1271_alloc_hw); |
c332a4b8 TP |
2380 | |
2381 | int wl1271_free_hw(struct wl1271 *wl) | |
2382 | { | |
3b56dd6a TP |
2383 | platform_device_unregister(wl->plat_dev); |
2384 | kfree(wl->plat_dev); | |
c332a4b8 TP |
2385 | |
2386 | wl1271_debugfs_exit(wl); | |
2387 | ||
2388 | kfree(wl->target_mem_map); | |
2389 | vfree(wl->fw); | |
2390 | wl->fw = NULL; | |
2391 | kfree(wl->nvs); | |
2392 | wl->nvs = NULL; | |
2393 | ||
2394 | kfree(wl->fw_status); | |
2395 | kfree(wl->tx_res_if); | |
2396 | ||
2397 | ieee80211_free_hw(wl->hw); | |
2398 | ||
2399 | return 0; | |
2400 | } | |
50b3eb4b TP |
2401 | EXPORT_SYMBOL_GPL(wl1271_free_hw); |
2402 | ||
2403 | MODULE_LICENSE("GPL"); | |
2404 | MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); | |
2405 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |