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 = { | |
ec078d94 JO |
119 | .enabled_rates = CONF_HW_BIT_RATE_1MBPS | |
120 | CONF_HW_BIT_RATE_2MBPS, | |
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 = { | |
127 | [0] = { | |
128 | .ac = CONF_TX_AC_BE, | |
129 | .cw_min = 15, | |
130 | .cw_max = 63, | |
131 | .aifsn = 3, | |
132 | .tx_op_limit = 0, | |
45b531a8 | 133 | }, |
8a08048a JO |
134 | [1] = { |
135 | .ac = CONF_TX_AC_BK, | |
136 | .cw_min = 15, | |
137 | .cw_max = 63, | |
138 | .aifsn = 7, | |
139 | .tx_op_limit = 0, | |
45b531a8 | 140 | }, |
8a08048a JO |
141 | [2] = { |
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 | }, | |
148 | [3] = { | |
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 | }, |
8a08048a JO |
156 | .tid_conf_count = 7, |
157 | .tid_conf = { | |
158 | [0] = { | |
159 | .queue_id = 0, | |
160 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
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}, | |
165 | }, | |
166 | [1] = { | |
167 | .queue_id = 1, | |
168 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
169 | .tsid = CONF_TX_AC_BE, | |
170 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
171 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
172 | .apsd_conf = {0, 0}, | |
51f2be24 | 173 | }, |
8a08048a JO |
174 | [2] = { |
175 | .queue_id = 2, | |
176 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
177 | .tsid = CONF_TX_AC_BE, | |
178 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
179 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
180 | .apsd_conf = {0, 0}, | |
51f2be24 | 181 | }, |
8a08048a JO |
182 | [3] = { |
183 | .queue_id = 3, | |
184 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
185 | .tsid = CONF_TX_AC_BE, | |
186 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
187 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
188 | .apsd_conf = {0, 0}, | |
189 | }, | |
190 | [4] = { | |
191 | .queue_id = 4, | |
192 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
193 | .tsid = CONF_TX_AC_BE, | |
194 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
195 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
196 | .apsd_conf = {0, 0}, | |
197 | }, | |
198 | [5] = { | |
199 | .queue_id = 5, | |
200 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
201 | .tsid = CONF_TX_AC_BE, | |
202 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
203 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
204 | .apsd_conf = {0, 0}, | |
205 | }, | |
206 | [6] = { | |
207 | .queue_id = 6, | |
208 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
209 | .tsid = CONF_TX_AC_BE, | |
210 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
211 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
212 | .apsd_conf = {0, 0}, | |
213 | } | |
214 | }, | |
215 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, | |
3ed8f2c6 LC |
216 | .tx_compl_timeout = 700, |
217 | .tx_compl_threshold = 4 | |
8a08048a JO |
218 | }, |
219 | .conn = { | |
220 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, | |
221 | .listen_interval = 0, | |
222 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, | |
223 | .bcn_filt_ie_count = 1, | |
224 | .bcn_filt_ie = { | |
225 | [0] = { | |
226 | .ie = WLAN_EID_CHANNEL_SWITCH, | |
227 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, | |
51f2be24 | 228 | } |
47fab7d5 | 229 | }, |
3ed8f2c6 | 230 | .synch_fail_thold = 10, |
8a08048a JO |
231 | .bss_lose_timeout = 100, |
232 | .beacon_rx_timeout = 10000, | |
233 | .broadcast_timeout = 20000, | |
234 | .rx_broadcast_in_ps = 1, | |
3ed8f2c6 | 235 | .ps_poll_threshold = 20, |
8a08048a JO |
236 | .sig_trigger_count = 2, |
237 | .sig_trigger = { | |
238 | [0] = { | |
239 | .threshold = -75, | |
240 | .pacing = 500, | |
241 | .metric = CONF_TRIG_METRIC_RSSI_BEACON, | |
242 | .type = CONF_TRIG_EVENT_TYPE_EDGE, | |
243 | .direction = CONF_TRIG_EVENT_DIR_LOW, | |
244 | .hysteresis = 2, | |
245 | .index = 0, | |
246 | .enable = 1 | |
47fab7d5 | 247 | }, |
8a08048a JO |
248 | [1] = { |
249 | .threshold = -75, | |
250 | .pacing = 500, | |
251 | .metric = CONF_TRIG_METRIC_RSSI_BEACON, | |
252 | .type = CONF_TRIG_EVENT_TYPE_EDGE, | |
253 | .direction = CONF_TRIG_EVENT_DIR_HIGH, | |
254 | .hysteresis = 2, | |
255 | .index = 1, | |
256 | .enable = 1 | |
257 | } | |
258 | }, | |
259 | .sig_weights = { | |
260 | .rssi_bcn_avg_weight = 10, | |
261 | .rssi_pkt_avg_weight = 10, | |
262 | .snr_bcn_avg_weight = 10, | |
263 | .snr_pkt_avg_weight = 10 | |
11f70f97 JO |
264 | }, |
265 | .bet_enable = CONF_BET_MODE_ENABLE, | |
84502563 | 266 | .bet_max_consecutive = 10, |
19ad0715 | 267 | .psm_entry_retries = 3 |
8a08048a JO |
268 | }, |
269 | .init = { | |
8a08048a | 270 | .radioparam = { |
152ee6e0 | 271 | .fem = 1, |
2b60100b | 272 | } |
6e92b416 LC |
273 | }, |
274 | .itrim = { | |
275 | .enable = false, | |
276 | .timeout = 50000, | |
38ad2d87 JO |
277 | }, |
278 | .pm_config = { | |
279 | .host_clk_settling_time = 5000, | |
280 | .host_fast_wakeup_support = false | |
8a08048a JO |
281 | } |
282 | }; | |
283 | ||
a1dd8187 JO |
284 | static void wl1271_device_release(struct device *dev) |
285 | { | |
286 | ||
287 | } | |
288 | ||
289 | static struct platform_device wl1271_device = { | |
290 | .name = "wl1271", | |
291 | .id = -1, | |
292 | ||
293 | /* device model insists to have a release function */ | |
294 | .dev = { | |
295 | .release = wl1271_device_release, | |
296 | }, | |
297 | }; | |
298 | ||
01c09162 JO |
299 | static LIST_HEAD(wl_list); |
300 | ||
8a08048a JO |
301 | static void wl1271_conf_init(struct wl1271 *wl) |
302 | { | |
2b60100b JO |
303 | |
304 | /* | |
305 | * This function applies the default configuration to the driver. This | |
306 | * function is invoked upon driver load (spi probe.) | |
307 | * | |
308 | * The configuration is stored in a run-time structure in order to | |
309 | * facilitate for run-time adjustment of any of the parameters. Making | |
310 | * changes to the configuration structure will apply the new values on | |
311 | * the next interface up (wl1271_op_start.) | |
312 | */ | |
313 | ||
314 | /* apply driver default configuration */ | |
8a08048a | 315 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
2b60100b JO |
316 | } |
317 | ||
318 | ||
f5fc0f86 LC |
319 | static int wl1271_plt_init(struct wl1271 *wl) |
320 | { | |
12419cce LC |
321 | struct conf_tx_ac_category *conf_ac; |
322 | struct conf_tx_tid *conf_tid; | |
323 | int ret, i; | |
f5fc0f86 | 324 | |
98b5dd5d | 325 | ret = wl1271_cmd_general_parms(wl); |
4a90406b | 326 | if (ret < 0) |
cc7defa3 LC |
327 | return ret; |
328 | ||
98b5dd5d | 329 | ret = wl1271_cmd_radio_parms(wl); |
4a90406b | 330 | if (ret < 0) |
cc7defa3 LC |
331 | return ret; |
332 | ||
12419cce LC |
333 | ret = wl1271_init_templates_config(wl); |
334 | if (ret < 0) | |
335 | return ret; | |
336 | ||
f5fc0f86 LC |
337 | ret = wl1271_acx_init_mem_config(wl); |
338 | if (ret < 0) | |
339 | return ret; | |
340 | ||
12419cce LC |
341 | /* PHY layer config */ |
342 | ret = wl1271_init_phy_config(wl); | |
343 | if (ret < 0) | |
344 | goto out_free_memmap; | |
345 | ||
346 | ret = wl1271_acx_dco_itrim_params(wl); | |
347 | if (ret < 0) | |
348 | goto out_free_memmap; | |
349 | ||
350 | /* Initialize connection monitoring thresholds */ | |
351 | ret = wl1271_acx_conn_monit_params(wl); | |
352 | if (ret < 0) | |
353 | goto out_free_memmap; | |
354 | ||
355 | /* Bluetooth WLAN coexistence */ | |
356 | ret = wl1271_init_pta(wl); | |
357 | if (ret < 0) | |
358 | goto out_free_memmap; | |
359 | ||
360 | /* Energy detection */ | |
361 | ret = wl1271_init_energy_detection(wl); | |
362 | if (ret < 0) | |
363 | goto out_free_memmap; | |
364 | ||
365 | /* Default fragmentation threshold */ | |
366 | ret = wl1271_acx_frag_threshold(wl); | |
367 | if (ret < 0) | |
368 | goto out_free_memmap; | |
369 | ||
370 | /* Default TID configuration */ | |
371 | for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { | |
372 | conf_tid = &wl->conf.tx.tid_conf[i]; | |
373 | ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id, | |
374 | conf_tid->channel_type, | |
375 | conf_tid->tsid, | |
376 | conf_tid->ps_scheme, | |
377 | conf_tid->ack_policy, | |
378 | conf_tid->apsd_conf[0], | |
379 | conf_tid->apsd_conf[1]); | |
380 | if (ret < 0) | |
381 | goto out_free_memmap; | |
382 | } | |
383 | ||
384 | /* Default AC configuration */ | |
385 | for (i = 0; i < wl->conf.tx.ac_conf_count; i++) { | |
386 | conf_ac = &wl->conf.tx.ac_conf[i]; | |
387 | ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min, | |
388 | conf_ac->cw_max, conf_ac->aifsn, | |
389 | conf_ac->tx_op_limit); | |
390 | if (ret < 0) | |
391 | goto out_free_memmap; | |
392 | } | |
393 | ||
394 | /* Enable data path */ | |
94210897 | 395 | ret = wl1271_cmd_data_path(wl, 1); |
f5fc0f86 | 396 | if (ret < 0) |
12419cce LC |
397 | goto out_free_memmap; |
398 | ||
399 | /* Configure for CAM power saving (ie. always active) */ | |
400 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); | |
401 | if (ret < 0) | |
402 | goto out_free_memmap; | |
403 | ||
404 | /* configure PM */ | |
405 | ret = wl1271_acx_pm_config(wl); | |
406 | if (ret < 0) | |
407 | goto out_free_memmap; | |
f5fc0f86 LC |
408 | |
409 | return 0; | |
12419cce LC |
410 | |
411 | out_free_memmap: | |
412 | kfree(wl->target_mem_map); | |
413 | wl->target_mem_map = NULL; | |
414 | ||
415 | return ret; | |
f5fc0f86 LC |
416 | } |
417 | ||
c15f63bf JO |
418 | static void wl1271_fw_status(struct wl1271 *wl, |
419 | struct wl1271_fw_status *status) | |
f5fc0f86 | 420 | { |
ac5e1e39 | 421 | struct timespec ts; |
f5fc0f86 LC |
422 | u32 total = 0; |
423 | int i; | |
424 | ||
09a9c2b3 | 425 | wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false); |
f5fc0f86 LC |
426 | |
427 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " | |
428 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
429 | status->intr, | |
430 | status->fw_rx_counter, | |
431 | status->drv_rx_counter, | |
432 | status->tx_results_counter); | |
433 | ||
434 | /* update number of available TX blocks */ | |
435 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
d0f63b20 LC |
436 | u32 cnt = le32_to_cpu(status->tx_released_blks[i]) - |
437 | wl->tx_blocks_freed[i]; | |
438 | ||
439 | wl->tx_blocks_freed[i] = | |
440 | le32_to_cpu(status->tx_released_blks[i]); | |
f5fc0f86 LC |
441 | wl->tx_blocks_available += cnt; |
442 | total += cnt; | |
443 | } | |
444 | ||
445 | /* if more blocks are available now, schedule some tx work */ | |
446 | if (total && !skb_queue_empty(&wl->tx_queue)) | |
a64b07e8 | 447 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
448 | |
449 | /* update the host-chipset time offset */ | |
ac5e1e39 JO |
450 | getnstimeofday(&ts); |
451 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - | |
452 | (s64)le32_to_cpu(status->fw_localtime); | |
f5fc0f86 LC |
453 | } |
454 | ||
1e73eb62 JO |
455 | #define WL1271_IRQ_MAX_LOOPS 10 |
456 | ||
f5fc0f86 LC |
457 | static void wl1271_irq_work(struct work_struct *work) |
458 | { | |
f5fc0f86 | 459 | int ret; |
c15f63bf | 460 | u32 intr; |
1e73eb62 JO |
461 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
462 | unsigned long flags; | |
f5fc0f86 LC |
463 | struct wl1271 *wl = |
464 | container_of(work, struct wl1271, irq_work); | |
465 | ||
466 | mutex_lock(&wl->mutex); | |
467 | ||
468 | wl1271_debug(DEBUG_IRQ, "IRQ work"); | |
469 | ||
1e73eb62 | 470 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
f5fc0f86 LC |
471 | goto out; |
472 | ||
473 | ret = wl1271_ps_elp_wakeup(wl, true); | |
474 | if (ret < 0) | |
475 | goto out; | |
476 | ||
1e73eb62 JO |
477 | spin_lock_irqsave(&wl->wl_lock, flags); |
478 | while (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags) && loopcount) { | |
479 | clear_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags); | |
480 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
481 | loopcount--; | |
482 | ||
483 | wl1271_fw_status(wl, wl->fw_status); | |
484 | intr = le32_to_cpu(wl->fw_status->intr); | |
485 | if (!intr) { | |
486 | wl1271_debug(DEBUG_IRQ, "Zero interrupt received."); | |
487 | continue; | |
488 | } | |
f5fc0f86 | 489 | |
1e73eb62 | 490 | intr &= WL1271_INTR_MASK; |
f5fc0f86 | 491 | |
1e73eb62 JO |
492 | if (intr & WL1271_ACX_INTR_DATA) { |
493 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); | |
1fd2794f | 494 | |
1e73eb62 JO |
495 | /* check for tx results */ |
496 | if (wl->fw_status->tx_results_counter != | |
497 | (wl->tx_results_count & 0xff)) | |
498 | wl1271_tx_complete(wl); | |
f5fc0f86 | 499 | |
1e73eb62 JO |
500 | wl1271_rx(wl, wl->fw_status); |
501 | } | |
f5fc0f86 | 502 | |
1e73eb62 JO |
503 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
504 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); | |
505 | wl1271_event_handle(wl, 0); | |
506 | } | |
f5fc0f86 | 507 | |
1e73eb62 JO |
508 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
509 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
510 | wl1271_event_handle(wl, 1); | |
511 | } | |
f5fc0f86 | 512 | |
1e73eb62 JO |
513 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
514 | wl1271_debug(DEBUG_IRQ, | |
515 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 516 | |
1e73eb62 JO |
517 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
518 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
519 | ||
520 | spin_lock_irqsave(&wl->wl_lock, flags); | |
c15f63bf | 521 | } |
f5fc0f86 | 522 | |
1e73eb62 JO |
523 | if (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags)) |
524 | ieee80211_queue_work(wl->hw, &wl->irq_work); | |
525 | else | |
526 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
527 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
528 | ||
f5fc0f86 LC |
529 | wl1271_ps_elp_sleep(wl); |
530 | ||
531 | out: | |
532 | mutex_unlock(&wl->mutex); | |
533 | } | |
534 | ||
f5fc0f86 LC |
535 | static int wl1271_fetch_firmware(struct wl1271 *wl) |
536 | { | |
537 | const struct firmware *fw; | |
538 | int ret; | |
539 | ||
8197b711 | 540 | ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
541 | |
542 | if (ret < 0) { | |
543 | wl1271_error("could not get firmware: %d", ret); | |
544 | return ret; | |
545 | } | |
546 | ||
547 | if (fw->size % 4) { | |
548 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
549 | fw->size); | |
550 | ret = -EILSEQ; | |
551 | goto out; | |
552 | } | |
553 | ||
554 | wl->fw_len = fw->size; | |
1fba4974 | 555 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
556 | |
557 | if (!wl->fw) { | |
558 | wl1271_error("could not allocate memory for the firmware"); | |
559 | ret = -ENOMEM; | |
560 | goto out; | |
561 | } | |
562 | ||
563 | memcpy(wl->fw, fw->data, wl->fw_len); | |
564 | ||
565 | ret = 0; | |
566 | ||
567 | out: | |
568 | release_firmware(fw); | |
569 | ||
570 | return ret; | |
571 | } | |
572 | ||
573 | static int wl1271_fetch_nvs(struct wl1271 *wl) | |
574 | { | |
575 | const struct firmware *fw; | |
576 | int ret; | |
577 | ||
8197b711 | 578 | ret = request_firmware(&fw, WL1271_NVS_NAME, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
579 | |
580 | if (ret < 0) { | |
581 | wl1271_error("could not get nvs file: %d", ret); | |
582 | return ret; | |
583 | } | |
584 | ||
152ee6e0 JO |
585 | if (fw->size != sizeof(struct wl1271_nvs_file)) { |
586 | wl1271_error("nvs size is not as expected: %zu != %zu", | |
587 | fw->size, sizeof(struct wl1271_nvs_file)); | |
f5fc0f86 LC |
588 | ret = -EILSEQ; |
589 | goto out; | |
590 | } | |
591 | ||
152ee6e0 | 592 | wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL); |
f5fc0f86 LC |
593 | |
594 | if (!wl->nvs) { | |
595 | wl1271_error("could not allocate memory for the nvs file"); | |
596 | ret = -ENOMEM; | |
597 | goto out; | |
598 | } | |
599 | ||
152ee6e0 | 600 | memcpy(wl->nvs, fw->data, sizeof(struct wl1271_nvs_file)); |
f5fc0f86 | 601 | |
f5fc0f86 LC |
602 | out: |
603 | release_firmware(fw); | |
604 | ||
605 | return ret; | |
606 | } | |
607 | ||
608 | static void wl1271_fw_wakeup(struct wl1271 *wl) | |
609 | { | |
610 | u32 elp_reg; | |
611 | ||
612 | elp_reg = ELPCTRL_WAKE_UP; | |
74621417 | 613 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
f5fc0f86 LC |
614 | } |
615 | ||
616 | static int wl1271_setup(struct wl1271 *wl) | |
617 | { | |
618 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); | |
619 | if (!wl->fw_status) | |
620 | return -ENOMEM; | |
621 | ||
622 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); | |
623 | if (!wl->tx_res_if) { | |
624 | kfree(wl->fw_status); | |
625 | return -ENOMEM; | |
626 | } | |
627 | ||
628 | INIT_WORK(&wl->irq_work, wl1271_irq_work); | |
629 | INIT_WORK(&wl->tx_work, wl1271_tx_work); | |
630 | return 0; | |
631 | } | |
632 | ||
633 | static int wl1271_chip_wakeup(struct wl1271 *wl) | |
634 | { | |
451de97a | 635 | struct wl1271_partition_set partition; |
f5fc0f86 LC |
636 | int ret = 0; |
637 | ||
01ac17ec | 638 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
f5fc0f86 LC |
639 | wl1271_power_on(wl); |
640 | msleep(WL1271_POWER_ON_SLEEP); | |
9b280722 TP |
641 | wl1271_io_reset(wl); |
642 | wl1271_io_init(wl); | |
f5fc0f86 LC |
643 | |
644 | /* We don't need a real memory partition here, because we only want | |
645 | * to use the registers at this point. */ | |
451de97a JO |
646 | memset(&partition, 0, sizeof(partition)); |
647 | partition.reg.start = REGISTERS_BASE; | |
648 | partition.reg.size = REGISTERS_DOWN_SIZE; | |
649 | wl1271_set_partition(wl, &partition); | |
f5fc0f86 LC |
650 | |
651 | /* ELP module wake up */ | |
652 | wl1271_fw_wakeup(wl); | |
653 | ||
654 | /* whal_FwCtrl_BootSm() */ | |
655 | ||
656 | /* 0. read chip id from CHIP_ID */ | |
7b048c52 | 657 | wl->chip.id = wl1271_read32(wl, CHIP_ID_B); |
f5fc0f86 LC |
658 | |
659 | /* 1. check if chip id is valid */ | |
660 | ||
661 | switch (wl->chip.id) { | |
662 | case CHIP_ID_1271_PG10: | |
663 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", | |
664 | wl->chip.id); | |
665 | ||
666 | ret = wl1271_setup(wl); | |
667 | if (ret < 0) | |
9ccd9217 | 668 | goto out; |
f5fc0f86 LC |
669 | break; |
670 | case CHIP_ID_1271_PG20: | |
671 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", | |
672 | wl->chip.id); | |
673 | ||
674 | ret = wl1271_setup(wl); | |
675 | if (ret < 0) | |
9ccd9217 | 676 | goto out; |
f5fc0f86 LC |
677 | break; |
678 | default: | |
9ccd9217 | 679 | wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
f5fc0f86 | 680 | ret = -ENODEV; |
9ccd9217 | 681 | goto out; |
f5fc0f86 LC |
682 | } |
683 | ||
684 | if (wl->fw == NULL) { | |
685 | ret = wl1271_fetch_firmware(wl); | |
686 | if (ret < 0) | |
9ccd9217 | 687 | goto out; |
f5fc0f86 LC |
688 | } |
689 | ||
690 | /* No NVS from netlink, try to get it from the filesystem */ | |
691 | if (wl->nvs == NULL) { | |
692 | ret = wl1271_fetch_nvs(wl); | |
693 | if (ret < 0) | |
9ccd9217 | 694 | goto out; |
f5fc0f86 LC |
695 | } |
696 | ||
697 | out: | |
698 | return ret; | |
699 | } | |
700 | ||
f5fc0f86 LC |
701 | int wl1271_plt_start(struct wl1271 *wl) |
702 | { | |
9ccd9217 | 703 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
704 | int ret; |
705 | ||
706 | mutex_lock(&wl->mutex); | |
707 | ||
708 | wl1271_notice("power up"); | |
709 | ||
710 | if (wl->state != WL1271_STATE_OFF) { | |
711 | wl1271_error("cannot go into PLT state because not " | |
712 | "in off state: %d", wl->state); | |
713 | ret = -EBUSY; | |
714 | goto out; | |
715 | } | |
716 | ||
9ccd9217 JO |
717 | while (retries) { |
718 | retries--; | |
719 | ret = wl1271_chip_wakeup(wl); | |
720 | if (ret < 0) | |
721 | goto power_off; | |
f5fc0f86 | 722 | |
9ccd9217 JO |
723 | ret = wl1271_boot(wl); |
724 | if (ret < 0) | |
725 | goto power_off; | |
eb5b28d0 | 726 | |
9ccd9217 JO |
727 | ret = wl1271_plt_init(wl); |
728 | if (ret < 0) | |
729 | goto irq_disable; | |
bd5ea18f | 730 | |
9ccd9217 JO |
731 | wl->state = WL1271_STATE_PLT; |
732 | wl1271_notice("firmware booted in PLT mode (%s)", | |
733 | wl->chip.fw_ver); | |
734 | goto out; | |
eb5b28d0 | 735 | |
9ccd9217 JO |
736 | irq_disable: |
737 | wl1271_disable_interrupts(wl); | |
738 | mutex_unlock(&wl->mutex); | |
739 | /* Unlocking the mutex in the middle of handling is | |
740 | inherently unsafe. In this case we deem it safe to do, | |
741 | because we need to let any possibly pending IRQ out of | |
742 | the system (and while we are WL1271_STATE_OFF the IRQ | |
743 | work function will not do anything.) Also, any other | |
744 | possible concurrent operations will fail due to the | |
745 | current state, hence the wl1271 struct should be safe. */ | |
746 | cancel_work_sync(&wl->irq_work); | |
747 | mutex_lock(&wl->mutex); | |
748 | power_off: | |
749 | wl1271_power_off(wl); | |
750 | } | |
f5fc0f86 | 751 | |
9ccd9217 JO |
752 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
753 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
754 | out: |
755 | mutex_unlock(&wl->mutex); | |
756 | ||
757 | return ret; | |
758 | } | |
759 | ||
760 | int wl1271_plt_stop(struct wl1271 *wl) | |
761 | { | |
762 | int ret = 0; | |
763 | ||
764 | mutex_lock(&wl->mutex); | |
765 | ||
766 | wl1271_notice("power down"); | |
767 | ||
768 | if (wl->state != WL1271_STATE_PLT) { | |
769 | wl1271_error("cannot power down because not in PLT " | |
770 | "state: %d", wl->state); | |
771 | ret = -EBUSY; | |
772 | goto out; | |
773 | } | |
774 | ||
775 | wl1271_disable_interrupts(wl); | |
776 | wl1271_power_off(wl); | |
777 | ||
778 | wl->state = WL1271_STATE_OFF; | |
bd5ea18f | 779 | wl->rx_counter = 0; |
f5fc0f86 LC |
780 | |
781 | out: | |
782 | mutex_unlock(&wl->mutex); | |
783 | ||
784 | return ret; | |
785 | } | |
786 | ||
787 | ||
788 | static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) | |
789 | { | |
790 | struct wl1271 *wl = hw->priv; | |
830fb67b JO |
791 | struct ieee80211_conf *conf = &hw->conf; |
792 | struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb); | |
793 | struct ieee80211_sta *sta = txinfo->control.sta; | |
794 | unsigned long flags; | |
f5fc0f86 | 795 | |
830fb67b JO |
796 | /* peek into the rates configured in the STA entry */ |
797 | spin_lock_irqsave(&wl->wl_lock, flags); | |
798 | if (sta && sta->supp_rates[conf->channel->band] != wl->sta_rate_set) { | |
799 | wl->sta_rate_set = sta->supp_rates[conf->channel->band]; | |
800 | set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags); | |
801 | } | |
802 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
803 | ||
804 | /* queue the packet */ | |
f5fc0f86 LC |
805 | skb_queue_tail(&wl->tx_queue, skb); |
806 | ||
807 | /* | |
808 | * The chip specific setup must run before the first TX packet - | |
809 | * before that, the tx_work will not be initialized! | |
810 | */ | |
811 | ||
a64b07e8 | 812 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
813 | |
814 | /* | |
815 | * The workqueue is slow to process the tx_queue and we need stop | |
816 | * the queue here, otherwise the queue will get too long. | |
817 | */ | |
06f7bc7d JO |
818 | if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_HIGH_WATERMARK) { |
819 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues"); | |
f5fc0f86 | 820 | |
06f7bc7d JO |
821 | spin_lock_irqsave(&wl->wl_lock, flags); |
822 | ieee80211_stop_queues(wl->hw); | |
71449f8d | 823 | set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); |
06f7bc7d | 824 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
f5fc0f86 LC |
825 | } |
826 | ||
827 | return NETDEV_TX_OK; | |
828 | } | |
829 | ||
01c09162 JO |
830 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
831 | void *arg) | |
832 | { | |
833 | struct net_device *dev; | |
834 | struct wireless_dev *wdev; | |
835 | struct wiphy *wiphy; | |
836 | struct ieee80211_hw *hw; | |
837 | struct wl1271 *wl; | |
838 | struct wl1271 *wl_temp; | |
839 | struct in_device *idev; | |
840 | struct in_ifaddr *ifa = arg; | |
841 | int ret = 0; | |
842 | ||
843 | /* FIXME: this ugly function should probably be implemented in the | |
844 | * mac80211, and here should only be a simple callback handling actual | |
845 | * setting of the filters. Now we need to dig up references to | |
846 | * various structures to gain access to what we need. | |
847 | * Also, because of this, there is no "initial" setting of the filter | |
848 | * in "op_start", because we don't want to dig up struct net_device | |
849 | * there - the filter will be set upon first change of the interface | |
850 | * IP address. */ | |
851 | ||
852 | dev = ifa->ifa_dev->dev; | |
853 | ||
854 | wdev = dev->ieee80211_ptr; | |
855 | if (wdev == NULL) | |
17d7265c | 856 | return NOTIFY_DONE; |
01c09162 JO |
857 | |
858 | wiphy = wdev->wiphy; | |
859 | if (wiphy == NULL) | |
17d7265c | 860 | return NOTIFY_DONE; |
01c09162 JO |
861 | |
862 | hw = wiphy_priv(wiphy); | |
863 | if (hw == NULL) | |
17d7265c | 864 | return NOTIFY_DONE; |
01c09162 JO |
865 | |
866 | /* Check that the interface is one supported by this driver. */ | |
867 | wl_temp = hw->priv; | |
868 | list_for_each_entry(wl, &wl_list, list) { | |
869 | if (wl == wl_temp) | |
870 | break; | |
871 | } | |
872 | if (wl == NULL) | |
17d7265c | 873 | return NOTIFY_DONE; |
01c09162 JO |
874 | |
875 | /* Get the interface IP address for the device. "ifa" will become | |
876 | NULL if: | |
877 | - there is no IPV4 protocol address configured | |
878 | - there are multiple (virtual) IPV4 addresses configured | |
879 | When "ifa" is NULL, filtering will be disabled. | |
880 | */ | |
881 | ifa = NULL; | |
882 | idev = dev->ip_ptr; | |
883 | if (idev) | |
884 | ifa = idev->ifa_list; | |
885 | ||
886 | if (ifa && ifa->ifa_next) | |
887 | ifa = NULL; | |
888 | ||
889 | mutex_lock(&wl->mutex); | |
890 | ||
891 | if (wl->state == WL1271_STATE_OFF) | |
892 | goto out; | |
893 | ||
894 | ret = wl1271_ps_elp_wakeup(wl, false); | |
895 | if (ret < 0) | |
896 | goto out; | |
897 | if (ifa) | |
898 | ret = wl1271_acx_arp_ip_filter(wl, true, | |
899 | (u8 *)&ifa->ifa_address, | |
900 | ACX_IPV4_VERSION); | |
901 | else | |
902 | ret = wl1271_acx_arp_ip_filter(wl, false, NULL, | |
903 | ACX_IPV4_VERSION); | |
904 | wl1271_ps_elp_sleep(wl); | |
905 | ||
906 | out: | |
907 | mutex_unlock(&wl->mutex); | |
908 | ||
17d7265c | 909 | return NOTIFY_OK; |
01c09162 JO |
910 | } |
911 | ||
912 | static struct notifier_block wl1271_dev_notifier = { | |
913 | .notifier_call = wl1271_dev_notify, | |
914 | }; | |
915 | ||
916 | ||
f5fc0f86 | 917 | static int wl1271_op_start(struct ieee80211_hw *hw) |
1b72aecd JO |
918 | { |
919 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
920 | ||
921 | /* | |
922 | * We have to delay the booting of the hardware because | |
923 | * we need to know the local MAC address before downloading and | |
924 | * initializing the firmware. The MAC address cannot be changed | |
925 | * after boot, and without the proper MAC address, the firmware | |
926 | * will not function properly. | |
927 | * | |
928 | * The MAC address is first known when the corresponding interface | |
929 | * is added. That is where we will initialize the hardware. | |
930 | */ | |
931 | ||
932 | return 0; | |
933 | } | |
934 | ||
935 | static void wl1271_op_stop(struct ieee80211_hw *hw) | |
936 | { | |
937 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
938 | } | |
939 | ||
940 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, | |
941 | struct ieee80211_vif *vif) | |
f5fc0f86 LC |
942 | { |
943 | struct wl1271 *wl = hw->priv; | |
9ccd9217 | 944 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
945 | int ret = 0; |
946 | ||
1b72aecd JO |
947 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
948 | vif->type, vif->addr); | |
f5fc0f86 LC |
949 | |
950 | mutex_lock(&wl->mutex); | |
1b72aecd JO |
951 | if (wl->vif) { |
952 | ret = -EBUSY; | |
953 | goto out; | |
954 | } | |
955 | ||
956 | wl->vif = vif; | |
957 | ||
958 | switch (vif->type) { | |
959 | case NL80211_IFTYPE_STATION: | |
960 | wl->bss_type = BSS_TYPE_STA_BSS; | |
961 | break; | |
962 | case NL80211_IFTYPE_ADHOC: | |
963 | wl->bss_type = BSS_TYPE_IBSS; | |
964 | break; | |
965 | default: | |
966 | ret = -EOPNOTSUPP; | |
967 | goto out; | |
968 | } | |
969 | ||
970 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); | |
f5fc0f86 LC |
971 | |
972 | if (wl->state != WL1271_STATE_OFF) { | |
973 | wl1271_error("cannot start because not in off state: %d", | |
974 | wl->state); | |
975 | ret = -EBUSY; | |
976 | goto out; | |
977 | } | |
978 | ||
9ccd9217 JO |
979 | while (retries) { |
980 | retries--; | |
981 | ret = wl1271_chip_wakeup(wl); | |
982 | if (ret < 0) | |
983 | goto power_off; | |
f5fc0f86 | 984 | |
9ccd9217 JO |
985 | ret = wl1271_boot(wl); |
986 | if (ret < 0) | |
987 | goto power_off; | |
f5fc0f86 | 988 | |
9ccd9217 JO |
989 | ret = wl1271_hw_init(wl); |
990 | if (ret < 0) | |
991 | goto irq_disable; | |
f5fc0f86 | 992 | |
9ccd9217 JO |
993 | wl->state = WL1271_STATE_ON; |
994 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver); | |
995 | goto out; | |
eb5b28d0 | 996 | |
9ccd9217 JO |
997 | irq_disable: |
998 | wl1271_disable_interrupts(wl); | |
999 | mutex_unlock(&wl->mutex); | |
1000 | /* Unlocking the mutex in the middle of handling is | |
1001 | inherently unsafe. In this case we deem it safe to do, | |
1002 | because we need to let any possibly pending IRQ out of | |
1003 | the system (and while we are WL1271_STATE_OFF the IRQ | |
1004 | work function will not do anything.) Also, any other | |
1005 | possible concurrent operations will fail due to the | |
1006 | current state, hence the wl1271 struct should be safe. */ | |
1007 | cancel_work_sync(&wl->irq_work); | |
1008 | mutex_lock(&wl->mutex); | |
1009 | power_off: | |
1010 | wl1271_power_off(wl); | |
1011 | } | |
eb5b28d0 | 1012 | |
9ccd9217 JO |
1013 | wl1271_error("firmware boot failed despite %d retries", |
1014 | WL1271_BOOT_RETRIES); | |
eb5b28d0 | 1015 | out: |
f5fc0f86 LC |
1016 | mutex_unlock(&wl->mutex); |
1017 | ||
01c09162 JO |
1018 | if (!ret) { |
1019 | list_add(&wl->list, &wl_list); | |
1020 | register_inetaddr_notifier(&wl1271_dev_notifier); | |
1021 | } | |
1022 | ||
f5fc0f86 LC |
1023 | return ret; |
1024 | } | |
1025 | ||
1b72aecd JO |
1026 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
1027 | struct ieee80211_vif *vif) | |
f5fc0f86 LC |
1028 | { |
1029 | struct wl1271 *wl = hw->priv; | |
1030 | int i; | |
1031 | ||
2ea9fb3d JO |
1032 | unregister_inetaddr_notifier(&wl1271_dev_notifier); |
1033 | ||
1b72aecd JO |
1034 | mutex_lock(&wl->mutex); |
1035 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); | |
f5fc0f86 | 1036 | |
1b72aecd | 1037 | wl1271_info("down"); |
f5fc0f86 | 1038 | |
01c09162 JO |
1039 | list_del(&wl->list); |
1040 | ||
f5fc0f86 LC |
1041 | WARN_ON(wl->state != WL1271_STATE_ON); |
1042 | ||
71449f8d | 1043 | if (test_and_clear_bit(WL1271_FLAG_SCANNING, &wl->flags)) { |
f5fc0f86 LC |
1044 | mutex_unlock(&wl->mutex); |
1045 | ieee80211_scan_completed(wl->hw, true); | |
1046 | mutex_lock(&wl->mutex); | |
f5fc0f86 LC |
1047 | } |
1048 | ||
1049 | wl->state = WL1271_STATE_OFF; | |
1050 | ||
1051 | wl1271_disable_interrupts(wl); | |
1052 | ||
1053 | mutex_unlock(&wl->mutex); | |
1054 | ||
1055 | cancel_work_sync(&wl->irq_work); | |
1056 | cancel_work_sync(&wl->tx_work); | |
f5fc0f86 LC |
1057 | |
1058 | mutex_lock(&wl->mutex); | |
1059 | ||
1060 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
1061 | wl1271_tx_flush(wl); | |
1062 | wl1271_power_off(wl); | |
1063 | ||
1064 | memset(wl->bssid, 0, ETH_ALEN); | |
1065 | memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); | |
1066 | wl->ssid_len = 0; | |
f5fc0f86 | 1067 | wl->bss_type = MAX_BSS_TYPE; |
8a5a37a6 | 1068 | wl->band = IEEE80211_BAND_2GHZ; |
f5fc0f86 LC |
1069 | |
1070 | wl->rx_counter = 0; | |
19ad0715 | 1071 | wl->psm_entry_retry = 0; |
f5fc0f86 LC |
1072 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
1073 | wl->tx_blocks_available = 0; | |
1074 | wl->tx_results_count = 0; | |
1075 | wl->tx_packets_count = 0; | |
ac4e4ce5 | 1076 | wl->tx_security_last_seq = 0; |
04e36fc5 | 1077 | wl->tx_security_seq = 0; |
f5fc0f86 LC |
1078 | wl->time_offset = 0; |
1079 | wl->session_counter = 0; | |
830fb67b JO |
1080 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
1081 | wl->sta_rate_set = 0; | |
1082 | wl->flags = 0; | |
1b72aecd | 1083 | wl->vif = NULL; |
14b228a0 | 1084 | wl->filters = 0; |
d6e19d13 | 1085 | |
f5fc0f86 LC |
1086 | for (i = 0; i < NUM_TX_QUEUES; i++) |
1087 | wl->tx_blocks_freed[i] = 0; | |
1088 | ||
1089 | wl1271_debugfs_reset(wl); | |
1090 | mutex_unlock(&wl->mutex); | |
1091 | } | |
1092 | ||
14b228a0 JO |
1093 | static void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters) |
1094 | { | |
1095 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
1096 | wl->rx_filter = WL1271_DEFAULT_RX_FILTER; | |
1097 | ||
1098 | /* combine requested filters with current filter config */ | |
1099 | filters = wl->filters | filters; | |
1100 | ||
1101 | wl1271_debug(DEBUG_FILTERS, "RX filters set: "); | |
1102 | ||
1103 | if (filters & FIF_PROMISC_IN_BSS) { | |
1104 | wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS"); | |
1105 | wl->rx_config &= ~CFG_UNI_FILTER_EN; | |
1106 | wl->rx_config |= CFG_BSSID_FILTER_EN; | |
1107 | } | |
1108 | if (filters & FIF_BCN_PRBRESP_PROMISC) { | |
1109 | wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC"); | |
1110 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1111 | wl->rx_config &= ~CFG_SSID_FILTER_EN; | |
1112 | } | |
1113 | if (filters & FIF_OTHER_BSS) { | |
1114 | wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS"); | |
1115 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1116 | } | |
1117 | if (filters & FIF_CONTROL) { | |
1118 | wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL"); | |
1119 | wl->rx_filter |= CFG_RX_CTL_EN; | |
1120 | } | |
1121 | if (filters & FIF_FCSFAIL) { | |
1122 | wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL"); | |
1123 | wl->rx_filter |= CFG_RX_FCS_ERROR; | |
1124 | } | |
1125 | } | |
1126 | ||
c7f43e45 LC |
1127 | static int wl1271_join_channel(struct wl1271 *wl, int channel) |
1128 | { | |
e0d8bbf0 | 1129 | int ret = 0; |
c7f43e45 LC |
1130 | /* we need to use a dummy BSSID for now */ |
1131 | static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, | |
1132 | 0xad, 0xbe, 0xef }; | |
1133 | ||
c7f43e45 LC |
1134 | wl->channel = channel; |
1135 | memcpy(wl->bssid, dummy_bssid, ETH_ALEN); | |
1136 | ||
14b228a0 JO |
1137 | /* pass through frames from all BSS */ |
1138 | wl1271_configure_filters(wl, FIF_OTHER_BSS); | |
1139 | ||
15305498 JO |
1140 | /* the dummy join is performed always with STATION BSS type to allow |
1141 | also ad-hoc mode to listen to the surroundings without sending any | |
1142 | beacons yet. */ | |
1143 | ret = wl1271_cmd_join(wl, BSS_TYPE_STA_BSS); | |
c7f43e45 LC |
1144 | if (ret < 0) |
1145 | goto out; | |
1146 | ||
71449f8d | 1147 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 LC |
1148 | |
1149 | out: | |
1150 | return ret; | |
1151 | } | |
1152 | ||
1153 | static int wl1271_unjoin_channel(struct wl1271 *wl) | |
1154 | { | |
1155 | int ret; | |
1156 | ||
1157 | /* to stop listening to a channel, we disconnect */ | |
1158 | ret = wl1271_cmd_disconnect(wl); | |
1159 | if (ret < 0) | |
1160 | goto out; | |
1161 | ||
71449f8d | 1162 | clear_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 LC |
1163 | wl->channel = 0; |
1164 | memset(wl->bssid, 0, ETH_ALEN); | |
14b228a0 JO |
1165 | |
1166 | /* stop filterting packets based on bssid */ | |
1167 | wl1271_configure_filters(wl, FIF_OTHER_BSS); | |
c7f43e45 LC |
1168 | |
1169 | out: | |
1170 | return ret; | |
1171 | } | |
1172 | ||
f5fc0f86 LC |
1173 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
1174 | { | |
1175 | struct wl1271 *wl = hw->priv; | |
1176 | struct ieee80211_conf *conf = &hw->conf; | |
1177 | int channel, ret = 0; | |
1178 | ||
1179 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); | |
1180 | ||
c7f43e45 | 1181 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s", |
f5fc0f86 LC |
1182 | channel, |
1183 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", | |
c7f43e45 LC |
1184 | conf->power_level, |
1185 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use"); | |
f5fc0f86 LC |
1186 | |
1187 | mutex_lock(&wl->mutex); | |
1188 | ||
8a5a37a6 JO |
1189 | wl->band = conf->channel->band; |
1190 | ||
f5fc0f86 LC |
1191 | ret = wl1271_ps_elp_wakeup(wl, false); |
1192 | if (ret < 0) | |
1193 | goto out; | |
1194 | ||
c7f43e45 | 1195 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
71449f8d JO |
1196 | if (conf->flags & IEEE80211_CONF_IDLE && |
1197 | test_bit(WL1271_FLAG_JOINED, &wl->flags)) | |
c7f43e45 | 1198 | wl1271_unjoin_channel(wl); |
8f648c00 | 1199 | else if (!(conf->flags & IEEE80211_CONF_IDLE)) |
c7f43e45 | 1200 | wl1271_join_channel(wl, channel); |
a6fe2313 JO |
1201 | |
1202 | if (conf->flags & IEEE80211_CONF_IDLE) { | |
830fb67b JO |
1203 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
1204 | wl->sta_rate_set = 0; | |
1205 | wl1271_acx_rate_policies(wl); | |
a6fe2313 | 1206 | } |
f5fc0f86 LC |
1207 | } |
1208 | ||
c7f43e45 | 1209 | /* if the channel changes while joined, join again */ |
ddb01a5b JO |
1210 | if (channel != wl->channel && |
1211 | test_bit(WL1271_FLAG_JOINED, &wl->flags)) { | |
1212 | wl->channel = channel; | |
1213 | /* FIXME: maybe use CMD_CHANNEL_SWITCH for this? */ | |
15305498 | 1214 | ret = wl1271_cmd_join(wl, wl->bss_type); |
ddb01a5b JO |
1215 | if (ret < 0) |
1216 | wl1271_warning("cmd join to update channel failed %d", | |
1217 | ret); | |
1218 | } else | |
1219 | wl->channel = channel; | |
c7f43e45 | 1220 | |
71449f8d JO |
1221 | if (conf->flags & IEEE80211_CONF_PS && |
1222 | !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { | |
1223 | set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); | |
f5fc0f86 LC |
1224 | |
1225 | /* | |
1226 | * We enter PSM only if we're already associated. | |
1227 | * If we're not, we'll enter it when joining an SSID, | |
1228 | * through the bss_info_changed() hook. | |
1229 | */ | |
830fb67b | 1230 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { |
18f8d468 | 1231 | wl1271_debug(DEBUG_PSM, "psm enabled"); |
d8c42c0c JO |
1232 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
1233 | true); | |
af5e084b | 1234 | } |
f5fc0f86 | 1235 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
71449f8d | 1236 | test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
18f8d468 | 1237 | wl1271_debug(DEBUG_PSM, "psm disabled"); |
f5fc0f86 | 1238 | |
71449f8d | 1239 | clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
f5fc0f86 | 1240 | |
71449f8d | 1241 | if (test_bit(WL1271_FLAG_PSM, &wl->flags)) |
d8c42c0c JO |
1242 | ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
1243 | true); | |
f5fc0f86 LC |
1244 | } |
1245 | ||
1246 | if (conf->power_level != wl->power_level) { | |
1247 | ret = wl1271_acx_tx_power(wl, conf->power_level); | |
1248 | if (ret < 0) | |
c6317a54 | 1249 | goto out_sleep; |
f5fc0f86 LC |
1250 | |
1251 | wl->power_level = conf->power_level; | |
1252 | } | |
1253 | ||
1254 | out_sleep: | |
1255 | wl1271_ps_elp_sleep(wl); | |
1256 | ||
1257 | out: | |
1258 | mutex_unlock(&wl->mutex); | |
1259 | ||
1260 | return ret; | |
1261 | } | |
1262 | ||
b54853f1 JO |
1263 | struct wl1271_filter_params { |
1264 | bool enabled; | |
1265 | int mc_list_length; | |
1266 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
1267 | }; | |
1268 | ||
22bedad3 JP |
1269 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
1270 | struct netdev_hw_addr_list *mc_list) | |
c87dec9f | 1271 | { |
c87dec9f | 1272 | struct wl1271_filter_params *fp; |
22bedad3 | 1273 | struct netdev_hw_addr *ha; |
c87dec9f | 1274 | |
74441130 | 1275 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
1276 | if (!fp) { |
1277 | wl1271_error("Out of memory setting filters."); | |
1278 | return 0; | |
1279 | } | |
1280 | ||
1281 | /* update multicast filtering parameters */ | |
c87dec9f | 1282 | fp->mc_list_length = 0; |
22bedad3 JP |
1283 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
1284 | fp->enabled = false; | |
1285 | } else { | |
1286 | fp->enabled = true; | |
1287 | netdev_hw_addr_list_for_each(ha, mc_list) { | |
c87dec9f | 1288 | memcpy(fp->mc_list[fp->mc_list_length], |
22bedad3 | 1289 | ha->addr, ETH_ALEN); |
c87dec9f | 1290 | fp->mc_list_length++; |
22bedad3 | 1291 | } |
c87dec9f JO |
1292 | } |
1293 | ||
b54853f1 | 1294 | return (u64)(unsigned long)fp; |
c87dec9f | 1295 | } |
f5fc0f86 | 1296 | |
b54853f1 JO |
1297 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
1298 | FIF_ALLMULTI | \ | |
1299 | FIF_FCSFAIL | \ | |
1300 | FIF_BCN_PRBRESP_PROMISC | \ | |
1301 | FIF_CONTROL | \ | |
1302 | FIF_OTHER_BSS) | |
1303 | ||
f5fc0f86 LC |
1304 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
1305 | unsigned int changed, | |
c87dec9f | 1306 | unsigned int *total, u64 multicast) |
f5fc0f86 | 1307 | { |
b54853f1 | 1308 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 1309 | struct wl1271 *wl = hw->priv; |
b54853f1 | 1310 | int ret; |
f5fc0f86 LC |
1311 | |
1312 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter"); | |
1313 | ||
b54853f1 JO |
1314 | mutex_lock(&wl->mutex); |
1315 | ||
1316 | if (wl->state == WL1271_STATE_OFF) | |
1317 | goto out; | |
1318 | ||
1319 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1320 | if (ret < 0) | |
1321 | goto out; | |
1322 | ||
f5fc0f86 LC |
1323 | *total &= WL1271_SUPPORTED_FILTERS; |
1324 | changed &= WL1271_SUPPORTED_FILTERS; | |
1325 | ||
b54853f1 JO |
1326 | if (*total & FIF_ALLMULTI) |
1327 | ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); | |
1328 | else if (fp) | |
1329 | ret = wl1271_acx_group_address_tbl(wl, fp->enabled, | |
1330 | fp->mc_list, | |
1331 | fp->mc_list_length); | |
1332 | if (ret < 0) | |
1333 | goto out_sleep; | |
f5fc0f86 | 1334 | |
b54853f1 JO |
1335 | /* determine, whether supported filter values have changed */ |
1336 | if (changed == 0) | |
1337 | goto out_sleep; | |
c87dec9f | 1338 | |
14b228a0 JO |
1339 | /* configure filters */ |
1340 | wl->filters = *total; | |
1341 | wl1271_configure_filters(wl, 0); | |
1342 | ||
b54853f1 JO |
1343 | /* apply configured filters */ |
1344 | ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter); | |
1345 | if (ret < 0) | |
1346 | goto out_sleep; | |
1347 | ||
1348 | out_sleep: | |
1349 | wl1271_ps_elp_sleep(wl); | |
1350 | ||
1351 | out: | |
1352 | mutex_unlock(&wl->mutex); | |
14b228a0 | 1353 | kfree(fp); |
f5fc0f86 LC |
1354 | } |
1355 | ||
1356 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
1357 | struct ieee80211_vif *vif, | |
1358 | struct ieee80211_sta *sta, | |
1359 | struct ieee80211_key_conf *key_conf) | |
1360 | { | |
1361 | struct wl1271 *wl = hw->priv; | |
1362 | const u8 *addr; | |
1363 | int ret; | |
ac4e4ce5 JO |
1364 | u32 tx_seq_32 = 0; |
1365 | u16 tx_seq_16 = 0; | |
f5fc0f86 LC |
1366 | u8 key_type; |
1367 | ||
1368 | static const u8 bcast_addr[ETH_ALEN] = | |
1369 | { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
1370 | ||
1371 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); | |
1372 | ||
1373 | addr = sta ? sta->addr : bcast_addr; | |
1374 | ||
1375 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); | |
1376 | wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); | |
1377 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", | |
1378 | key_conf->alg, key_conf->keyidx, | |
1379 | key_conf->keylen, key_conf->flags); | |
1380 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
1381 | ||
1382 | if (is_zero_ether_addr(addr)) { | |
1383 | /* We dont support TX only encryption */ | |
1384 | ret = -EOPNOTSUPP; | |
1385 | goto out; | |
1386 | } | |
1387 | ||
1388 | mutex_lock(&wl->mutex); | |
1389 | ||
1390 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1391 | if (ret < 0) | |
1392 | goto out_unlock; | |
1393 | ||
1394 | switch (key_conf->alg) { | |
1395 | case ALG_WEP: | |
1396 | key_type = KEY_WEP; | |
1397 | ||
1398 | key_conf->hw_key_idx = key_conf->keyidx; | |
1399 | break; | |
1400 | case ALG_TKIP: | |
1401 | key_type = KEY_TKIP; | |
1402 | ||
1403 | key_conf->hw_key_idx = key_conf->keyidx; | |
04e36fc5 JO |
1404 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
1405 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
f5fc0f86 LC |
1406 | break; |
1407 | case ALG_CCMP: | |
1408 | key_type = KEY_AES; | |
1409 | ||
1410 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
04e36fc5 JO |
1411 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
1412 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
f5fc0f86 LC |
1413 | break; |
1414 | default: | |
1415 | wl1271_error("Unknown key algo 0x%x", key_conf->alg); | |
1416 | ||
1417 | ret = -EOPNOTSUPP; | |
1418 | goto out_sleep; | |
1419 | } | |
1420 | ||
1421 | switch (cmd) { | |
1422 | case SET_KEY: | |
1423 | ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE, | |
1424 | key_conf->keyidx, key_type, | |
1425 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1426 | addr, tx_seq_32, tx_seq_16); |
f5fc0f86 LC |
1427 | if (ret < 0) { |
1428 | wl1271_error("Could not add or replace key"); | |
1429 | goto out_sleep; | |
1430 | } | |
ee444cf0 JO |
1431 | |
1432 | /* the default WEP key needs to be configured at least once */ | |
1433 | if (key_type == KEY_WEP) { | |
1434 | ret = wl1271_cmd_set_default_wep_key(wl, | |
1435 | wl->default_key); | |
1436 | if (ret < 0) | |
1437 | goto out_sleep; | |
1438 | } | |
f5fc0f86 LC |
1439 | break; |
1440 | ||
1441 | case DISABLE_KEY: | |
fddc7dd7 JO |
1442 | /* The wl1271 does not allow to remove unicast keys - they |
1443 | will be cleared automatically on next CMD_JOIN. Ignore the | |
1444 | request silently, as we dont want the mac80211 to emit | |
1445 | an error message. */ | |
1446 | if (!is_broadcast_ether_addr(addr)) | |
1447 | break; | |
1448 | ||
f5fc0f86 LC |
1449 | ret = wl1271_cmd_set_key(wl, KEY_REMOVE, |
1450 | key_conf->keyidx, key_type, | |
1451 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1452 | addr, 0, 0); |
f5fc0f86 LC |
1453 | if (ret < 0) { |
1454 | wl1271_error("Could not remove key"); | |
1455 | goto out_sleep; | |
1456 | } | |
1457 | break; | |
1458 | ||
1459 | default: | |
1460 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
1461 | ret = -EOPNOTSUPP; | |
1462 | goto out_sleep; | |
1463 | ||
1464 | break; | |
1465 | } | |
1466 | ||
1467 | out_sleep: | |
1468 | wl1271_ps_elp_sleep(wl); | |
1469 | ||
1470 | out_unlock: | |
1471 | mutex_unlock(&wl->mutex); | |
1472 | ||
1473 | out: | |
1474 | return ret; | |
1475 | } | |
1476 | ||
1477 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, | |
1478 | struct cfg80211_scan_request *req) | |
1479 | { | |
1480 | struct wl1271 *wl = hw->priv; | |
1481 | int ret; | |
1482 | u8 *ssid = NULL; | |
abb0b3bf | 1483 | size_t len = 0; |
f5fc0f86 LC |
1484 | |
1485 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
1486 | ||
1487 | if (req->n_ssids) { | |
1488 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 1489 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
1490 | } |
1491 | ||
1492 | mutex_lock(&wl->mutex); | |
1493 | ||
1494 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1495 | if (ret < 0) | |
1496 | goto out; | |
1497 | ||
abb0b3bf | 1498 | if (wl1271_11a_enabled()) |
818e3063 KV |
1499 | ret = wl1271_cmd_scan(hw->priv, ssid, len, |
1500 | req->ie, req->ie_len, 1, 0, | |
abb0b3bf TP |
1501 | WL1271_SCAN_BAND_DUAL, 3); |
1502 | else | |
818e3063 KV |
1503 | ret = wl1271_cmd_scan(hw->priv, ssid, len, |
1504 | req->ie, req->ie_len, 1, 0, | |
abb0b3bf | 1505 | WL1271_SCAN_BAND_2_4_GHZ, 3); |
f5fc0f86 LC |
1506 | |
1507 | wl1271_ps_elp_sleep(wl); | |
1508 | ||
1509 | out: | |
1510 | mutex_unlock(&wl->mutex); | |
1511 | ||
1512 | return ret; | |
1513 | } | |
1514 | ||
1515 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
1516 | { | |
1517 | struct wl1271 *wl = hw->priv; | |
1518 | int ret; | |
1519 | ||
1520 | mutex_lock(&wl->mutex); | |
1521 | ||
1522 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1523 | if (ret < 0) | |
1524 | goto out; | |
1525 | ||
1526 | ret = wl1271_acx_rts_threshold(wl, (u16) value); | |
1527 | if (ret < 0) | |
1528 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); | |
1529 | ||
1530 | wl1271_ps_elp_sleep(wl); | |
1531 | ||
1532 | out: | |
1533 | mutex_unlock(&wl->mutex); | |
1534 | ||
1535 | return ret; | |
1536 | } | |
1537 | ||
30240fc7 JO |
1538 | static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon) |
1539 | { | |
1540 | u8 *ptr = beacon->data + | |
1541 | offsetof(struct ieee80211_mgmt, u.beacon.variable); | |
1542 | ||
1543 | /* find the location of the ssid in the beacon */ | |
1544 | while (ptr < beacon->data + beacon->len) { | |
1545 | if (ptr[0] == WLAN_EID_SSID) { | |
1546 | wl->ssid_len = ptr[1]; | |
1547 | memcpy(wl->ssid, ptr+2, wl->ssid_len); | |
1548 | return; | |
1549 | } | |
1550 | ptr += ptr[1]; | |
1551 | } | |
1552 | wl1271_error("ad-hoc beacon template has no SSID!\n"); | |
1553 | } | |
1554 | ||
f5fc0f86 LC |
1555 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, |
1556 | struct ieee80211_vif *vif, | |
1557 | struct ieee80211_bss_conf *bss_conf, | |
1558 | u32 changed) | |
1559 | { | |
1560 | enum wl1271_cmd_ps_mode mode; | |
1561 | struct wl1271 *wl = hw->priv; | |
8bf29b0e | 1562 | bool do_join = false; |
f5fc0f86 LC |
1563 | int ret; |
1564 | ||
1565 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed"); | |
1566 | ||
1567 | mutex_lock(&wl->mutex); | |
1568 | ||
1569 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1570 | if (ret < 0) | |
1571 | goto out; | |
1572 | ||
e0d8bbf0 JO |
1573 | if (wl->bss_type == BSS_TYPE_IBSS) { |
1574 | /* FIXME: This implements rudimentary ad-hoc support - | |
1575 | proper templates are on the wish list and notification | |
1576 | on when they change. This patch will update the templates | |
30240fc7 | 1577 | on every call to this function. */ |
e0d8bbf0 JO |
1578 | struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); |
1579 | ||
1580 | if (beacon) { | |
1581 | struct ieee80211_hdr *hdr; | |
30240fc7 JO |
1582 | |
1583 | wl1271_ssid_set(wl, beacon); | |
e0d8bbf0 JO |
1584 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, |
1585 | beacon->data, | |
1586 | beacon->len); | |
1587 | ||
1588 | if (ret < 0) { | |
1589 | dev_kfree_skb(beacon); | |
1590 | goto out_sleep; | |
1591 | } | |
1592 | ||
1593 | hdr = (struct ieee80211_hdr *) beacon->data; | |
1594 | hdr->frame_control = cpu_to_le16( | |
1595 | IEEE80211_FTYPE_MGMT | | |
1596 | IEEE80211_STYPE_PROBE_RESP); | |
1597 | ||
1598 | ret = wl1271_cmd_template_set(wl, | |
1599 | CMD_TEMPL_PROBE_RESPONSE, | |
1600 | beacon->data, | |
1601 | beacon->len); | |
1602 | dev_kfree_skb(beacon); | |
1603 | if (ret < 0) | |
1604 | goto out_sleep; | |
8bf29b0e JO |
1605 | |
1606 | /* Need to update the SSID (for filtering etc) */ | |
1607 | do_join = true; | |
e0d8bbf0 JO |
1608 | } |
1609 | } | |
1610 | ||
30240fc7 JO |
1611 | if ((changed & BSS_CHANGED_BSSID) && |
1612 | /* | |
1613 | * Now we know the correct bssid, so we send a new join command | |
1614 | * and enable the BSSID filter | |
1615 | */ | |
1616 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { | |
30240fc7 | 1617 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); |
a0cb7be4 | 1618 | |
30240fc7 | 1619 | ret = wl1271_cmd_build_null_data(wl); |
a0cb7be4 | 1620 | if (ret < 0) |
30240fc7 | 1621 | goto out_sleep; |
30240fc7 | 1622 | |
14b228a0 JO |
1623 | /* filter out all packets not from this BSSID */ |
1624 | wl1271_configure_filters(wl, 0); | |
1625 | ||
8bf29b0e JO |
1626 | /* Need to update the BSSID (for filtering etc) */ |
1627 | do_join = true; | |
30240fc7 JO |
1628 | } |
1629 | ||
f5fc0f86 LC |
1630 | if (changed & BSS_CHANGED_ASSOC) { |
1631 | if (bss_conf->assoc) { | |
1632 | wl->aid = bss_conf->aid; | |
830fb67b | 1633 | set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
f5fc0f86 | 1634 | |
ae751bab LC |
1635 | /* |
1636 | * with wl1271, we don't need to update the | |
1637 | * beacon_int and dtim_period, because the firmware | |
1638 | * updates it by itself when the first beacon is | |
1639 | * received after a join. | |
1640 | */ | |
f5fc0f86 LC |
1641 | ret = wl1271_cmd_build_ps_poll(wl, wl->aid); |
1642 | if (ret < 0) | |
1643 | goto out_sleep; | |
1644 | ||
1645 | ret = wl1271_acx_aid(wl, wl->aid); | |
1646 | if (ret < 0) | |
1647 | goto out_sleep; | |
1648 | ||
1649 | /* If we want to go in PSM but we're not there yet */ | |
71449f8d JO |
1650 | if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) && |
1651 | !test_bit(WL1271_FLAG_PSM, &wl->flags)) { | |
f5fc0f86 | 1652 | mode = STATION_POWER_SAVE_MODE; |
d8c42c0c | 1653 | ret = wl1271_ps_set_mode(wl, mode, true); |
f5fc0f86 LC |
1654 | if (ret < 0) |
1655 | goto out_sleep; | |
1656 | } | |
d94cd297 JO |
1657 | } else { |
1658 | /* use defaults when not associated */ | |
830fb67b | 1659 | clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
d94cd297 | 1660 | wl->aid = 0; |
f5fc0f86 | 1661 | } |
d94cd297 | 1662 | |
f5fc0f86 | 1663 | } |
8a5a37a6 | 1664 | |
f5fc0f86 LC |
1665 | if (changed & BSS_CHANGED_ERP_SLOT) { |
1666 | if (bss_conf->use_short_slot) | |
1667 | ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); | |
1668 | else | |
1669 | ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); | |
1670 | if (ret < 0) { | |
1671 | wl1271_warning("Set slot time failed %d", ret); | |
1672 | goto out_sleep; | |
1673 | } | |
1674 | } | |
1675 | ||
1676 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
1677 | if (bss_conf->use_short_preamble) | |
1678 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); | |
1679 | else | |
1680 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); | |
1681 | } | |
1682 | ||
1683 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
1684 | if (bss_conf->use_cts_prot) | |
1685 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); | |
1686 | else | |
1687 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); | |
1688 | if (ret < 0) { | |
1689 | wl1271_warning("Set ctsprotect failed %d", ret); | |
1690 | goto out_sleep; | |
1691 | } | |
1692 | } | |
1693 | ||
8bf29b0e | 1694 | if (do_join) { |
15305498 | 1695 | ret = wl1271_cmd_join(wl, wl->bss_type); |
8bf29b0e JO |
1696 | if (ret < 0) { |
1697 | wl1271_warning("cmd join failed %d", ret); | |
1698 | goto out_sleep; | |
1699 | } | |
1700 | set_bit(WL1271_FLAG_JOINED, &wl->flags); | |
1701 | } | |
1702 | ||
f5fc0f86 LC |
1703 | out_sleep: |
1704 | wl1271_ps_elp_sleep(wl); | |
1705 | ||
1706 | out: | |
1707 | mutex_unlock(&wl->mutex); | |
1708 | } | |
1709 | ||
c6999d83 KV |
1710 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, |
1711 | const struct ieee80211_tx_queue_params *params) | |
1712 | { | |
1713 | struct wl1271 *wl = hw->priv; | |
4695dc91 | 1714 | u8 ps_scheme; |
c6999d83 KV |
1715 | int ret; |
1716 | ||
1717 | mutex_lock(&wl->mutex); | |
1718 | ||
1719 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
1720 | ||
c82c1dde KV |
1721 | ret = wl1271_ps_elp_wakeup(wl, false); |
1722 | if (ret < 0) | |
1723 | goto out; | |
1724 | ||
b43316db | 1725 | /* the txop is confed in units of 32us by the mac80211, we need us */ |
c6999d83 KV |
1726 | ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue), |
1727 | params->cw_min, params->cw_max, | |
b43316db | 1728 | params->aifs, params->txop << 5); |
c6999d83 | 1729 | if (ret < 0) |
c82c1dde | 1730 | goto out_sleep; |
c6999d83 | 1731 | |
4695dc91 KV |
1732 | if (params->uapsd) |
1733 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; | |
1734 | else | |
1735 | ps_scheme = CONF_PS_SCHEME_LEGACY; | |
1736 | ||
c6999d83 KV |
1737 | ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue), |
1738 | CONF_CHANNEL_TYPE_EDCF, | |
1739 | wl1271_tx_get_queue(queue), | |
4695dc91 | 1740 | ps_scheme, CONF_ACK_POLICY_LEGACY, 0, 0); |
c6999d83 | 1741 | if (ret < 0) |
c82c1dde KV |
1742 | goto out_sleep; |
1743 | ||
1744 | out_sleep: | |
1745 | wl1271_ps_elp_sleep(wl); | |
c6999d83 KV |
1746 | |
1747 | out: | |
1748 | mutex_unlock(&wl->mutex); | |
1749 | ||
1750 | return ret; | |
1751 | } | |
1752 | ||
f5fc0f86 LC |
1753 | |
1754 | /* can't be const, mac80211 writes to this */ | |
1755 | static struct ieee80211_rate wl1271_rates[] = { | |
1756 | { .bitrate = 10, | |
2b60100b JO |
1757 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
1758 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 1759 | { .bitrate = 20, |
2b60100b JO |
1760 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
1761 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
1762 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1763 | { .bitrate = 55, | |
2b60100b JO |
1764 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
1765 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
1766 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1767 | { .bitrate = 110, | |
2b60100b JO |
1768 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
1769 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
1770 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1771 | { .bitrate = 60, | |
2b60100b JO |
1772 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
1773 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 1774 | { .bitrate = 90, |
2b60100b JO |
1775 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
1776 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 1777 | { .bitrate = 120, |
2b60100b JO |
1778 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
1779 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 1780 | { .bitrate = 180, |
2b60100b JO |
1781 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
1782 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 1783 | { .bitrate = 240, |
2b60100b JO |
1784 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
1785 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 1786 | { .bitrate = 360, |
2b60100b JO |
1787 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
1788 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 1789 | { .bitrate = 480, |
2b60100b JO |
1790 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
1791 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 1792 | { .bitrate = 540, |
2b60100b JO |
1793 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
1794 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
1795 | }; |
1796 | ||
1797 | /* can't be const, mac80211 writes to this */ | |
1798 | static struct ieee80211_channel wl1271_channels[] = { | |
a2d0e3f1 LC |
1799 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
1800 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, | |
1801 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, | |
1802 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, | |
1803 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, | |
1804 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, | |
1805 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, | |
1806 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, | |
1807 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, | |
1808 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, | |
1809 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, | |
1810 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, | |
1811 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, | |
f5fc0f86 LC |
1812 | }; |
1813 | ||
1814 | /* can't be const, mac80211 writes to this */ | |
1815 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
1816 | .channels = wl1271_channels, | |
1817 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
1818 | .bitrates = wl1271_rates, | |
1819 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
1820 | }; | |
1821 | ||
1ebec3d7 TP |
1822 | /* 5 GHz data rates for WL1273 */ |
1823 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
1824 | { .bitrate = 60, | |
1825 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
1826 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
1827 | { .bitrate = 90, | |
1828 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
1829 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
1830 | { .bitrate = 120, | |
1831 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
1832 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
1833 | { .bitrate = 180, | |
1834 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
1835 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
1836 | { .bitrate = 240, | |
1837 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
1838 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
1839 | { .bitrate = 360, | |
1840 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
1841 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
1842 | { .bitrate = 480, | |
1843 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
1844 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
1845 | { .bitrate = 540, | |
1846 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
1847 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
1848 | }; | |
1849 | ||
1850 | /* 5 GHz band channels for WL1273 */ | |
1851 | static struct ieee80211_channel wl1271_channels_5ghz[] = { | |
1852 | { .hw_value = 183, .center_freq = 4915}, | |
1853 | { .hw_value = 184, .center_freq = 4920}, | |
1854 | { .hw_value = 185, .center_freq = 4925}, | |
1855 | { .hw_value = 187, .center_freq = 4935}, | |
1856 | { .hw_value = 188, .center_freq = 4940}, | |
1857 | { .hw_value = 189, .center_freq = 4945}, | |
1858 | { .hw_value = 192, .center_freq = 4960}, | |
1859 | { .hw_value = 196, .center_freq = 4980}, | |
1860 | { .hw_value = 7, .center_freq = 5035}, | |
1861 | { .hw_value = 8, .center_freq = 5040}, | |
1862 | { .hw_value = 9, .center_freq = 5045}, | |
1863 | { .hw_value = 11, .center_freq = 5055}, | |
1864 | { .hw_value = 12, .center_freq = 5060}, | |
1865 | { .hw_value = 16, .center_freq = 5080}, | |
1866 | { .hw_value = 34, .center_freq = 5170}, | |
1867 | { .hw_value = 36, .center_freq = 5180}, | |
1868 | { .hw_value = 38, .center_freq = 5190}, | |
1869 | { .hw_value = 40, .center_freq = 5200}, | |
1870 | { .hw_value = 42, .center_freq = 5210}, | |
1871 | { .hw_value = 44, .center_freq = 5220}, | |
1872 | { .hw_value = 46, .center_freq = 5230}, | |
1873 | { .hw_value = 48, .center_freq = 5240}, | |
1874 | { .hw_value = 52, .center_freq = 5260}, | |
1875 | { .hw_value = 56, .center_freq = 5280}, | |
1876 | { .hw_value = 60, .center_freq = 5300}, | |
1877 | { .hw_value = 64, .center_freq = 5320}, | |
1878 | { .hw_value = 100, .center_freq = 5500}, | |
1879 | { .hw_value = 104, .center_freq = 5520}, | |
1880 | { .hw_value = 108, .center_freq = 5540}, | |
1881 | { .hw_value = 112, .center_freq = 5560}, | |
1882 | { .hw_value = 116, .center_freq = 5580}, | |
1883 | { .hw_value = 120, .center_freq = 5600}, | |
1884 | { .hw_value = 124, .center_freq = 5620}, | |
1885 | { .hw_value = 128, .center_freq = 5640}, | |
1886 | { .hw_value = 132, .center_freq = 5660}, | |
1887 | { .hw_value = 136, .center_freq = 5680}, | |
1888 | { .hw_value = 140, .center_freq = 5700}, | |
1889 | { .hw_value = 149, .center_freq = 5745}, | |
1890 | { .hw_value = 153, .center_freq = 5765}, | |
1891 | { .hw_value = 157, .center_freq = 5785}, | |
1892 | { .hw_value = 161, .center_freq = 5805}, | |
1893 | { .hw_value = 165, .center_freq = 5825}, | |
1894 | }; | |
1895 | ||
1896 | ||
1897 | static struct ieee80211_supported_band wl1271_band_5ghz = { | |
1898 | .channels = wl1271_channels_5ghz, | |
1899 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
1900 | .bitrates = wl1271_rates_5ghz, | |
1901 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
1902 | }; | |
1903 | ||
f5fc0f86 LC |
1904 | static const struct ieee80211_ops wl1271_ops = { |
1905 | .start = wl1271_op_start, | |
1906 | .stop = wl1271_op_stop, | |
1907 | .add_interface = wl1271_op_add_interface, | |
1908 | .remove_interface = wl1271_op_remove_interface, | |
1909 | .config = wl1271_op_config, | |
c87dec9f | 1910 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
1911 | .configure_filter = wl1271_op_configure_filter, |
1912 | .tx = wl1271_op_tx, | |
1913 | .set_key = wl1271_op_set_key, | |
1914 | .hw_scan = wl1271_op_hw_scan, | |
1915 | .bss_info_changed = wl1271_op_bss_info_changed, | |
1916 | .set_rts_threshold = wl1271_op_set_rts_threshold, | |
c6999d83 | 1917 | .conf_tx = wl1271_op_conf_tx, |
c8c90873 | 1918 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
1919 | }; |
1920 | ||
7fc3a864 JO |
1921 | static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev, |
1922 | struct device_attribute *attr, | |
1923 | char *buf) | |
1924 | { | |
1925 | struct wl1271 *wl = dev_get_drvdata(dev); | |
1926 | ssize_t len; | |
1927 | ||
1928 | /* FIXME: what's the maximum length of buf? page size?*/ | |
1929 | len = 500; | |
1930 | ||
1931 | mutex_lock(&wl->mutex); | |
1932 | len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n", | |
1933 | wl->sg_enabled); | |
1934 | mutex_unlock(&wl->mutex); | |
1935 | ||
1936 | return len; | |
1937 | ||
1938 | } | |
1939 | ||
1940 | static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev, | |
1941 | struct device_attribute *attr, | |
1942 | const char *buf, size_t count) | |
1943 | { | |
1944 | struct wl1271 *wl = dev_get_drvdata(dev); | |
1945 | unsigned long res; | |
1946 | int ret; | |
1947 | ||
1948 | ret = strict_strtoul(buf, 10, &res); | |
1949 | ||
1950 | if (ret < 0) { | |
1951 | wl1271_warning("incorrect value written to bt_coex_mode"); | |
1952 | return count; | |
1953 | } | |
1954 | ||
1955 | mutex_lock(&wl->mutex); | |
1956 | ||
1957 | res = !!res; | |
1958 | ||
1959 | if (res == wl->sg_enabled) | |
1960 | goto out; | |
1961 | ||
1962 | wl->sg_enabled = res; | |
1963 | ||
1964 | if (wl->state == WL1271_STATE_OFF) | |
1965 | goto out; | |
1966 | ||
1967 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1968 | if (ret < 0) | |
1969 | goto out; | |
1970 | ||
1971 | wl1271_acx_sg_enable(wl, wl->sg_enabled); | |
1972 | wl1271_ps_elp_sleep(wl); | |
1973 | ||
1974 | out: | |
1975 | mutex_unlock(&wl->mutex); | |
1976 | return count; | |
1977 | } | |
1978 | ||
1979 | static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR, | |
1980 | wl1271_sysfs_show_bt_coex_state, | |
1981 | wl1271_sysfs_store_bt_coex_state); | |
1982 | ||
2d5e82b8 | 1983 | int wl1271_register_hw(struct wl1271 *wl) |
f5fc0f86 LC |
1984 | { |
1985 | int ret; | |
1986 | ||
1987 | if (wl->mac80211_registered) | |
1988 | return 0; | |
1989 | ||
1990 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); | |
1991 | ||
1992 | ret = ieee80211_register_hw(wl->hw); | |
1993 | if (ret < 0) { | |
1994 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
1995 | return ret; | |
1996 | } | |
1997 | ||
1998 | wl->mac80211_registered = true; | |
1999 | ||
2000 | wl1271_notice("loaded"); | |
2001 | ||
2002 | return 0; | |
2003 | } | |
50b3eb4b | 2004 | EXPORT_SYMBOL_GPL(wl1271_register_hw); |
f5fc0f86 | 2005 | |
3b56dd6a TP |
2006 | void wl1271_unregister_hw(struct wl1271 *wl) |
2007 | { | |
2008 | ieee80211_unregister_hw(wl->hw); | |
2009 | wl->mac80211_registered = false; | |
2010 | ||
2011 | } | |
2012 | EXPORT_SYMBOL_GPL(wl1271_unregister_hw); | |
2013 | ||
2d5e82b8 | 2014 | int wl1271_init_ieee80211(struct wl1271 *wl) |
f5fc0f86 | 2015 | { |
1e2b7976 JO |
2016 | /* The tx descriptor buffer and the TKIP space. */ |
2017 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + | |
2018 | sizeof(struct wl1271_tx_hw_descr); | |
f5fc0f86 LC |
2019 | |
2020 | /* unit us */ | |
2021 | /* FIXME: find a proper value */ | |
2022 | wl->hw->channel_change_time = 10000; | |
2023 | ||
2024 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
1922167b | 2025 | IEEE80211_HW_NOISE_DBM | |
03442a33 | 2026 | IEEE80211_HW_BEACON_FILTER | |
0a34332f | 2027 | IEEE80211_HW_SUPPORTS_PS | |
4695dc91 | 2028 | IEEE80211_HW_SUPPORTS_UAPSD | |
0a34332f | 2029 | IEEE80211_HW_HAS_RATE_CONTROL; |
f5fc0f86 | 2030 | |
e0d8bbf0 JO |
2031 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
2032 | BIT(NL80211_IFTYPE_ADHOC); | |
f5fc0f86 LC |
2033 | wl->hw->wiphy->max_scan_ssids = 1; |
2034 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz; | |
2035 | ||
1ebec3d7 TP |
2036 | if (wl1271_11a_enabled()) |
2037 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz; | |
2038 | ||
12bd8949 KV |
2039 | wl->hw->queues = 4; |
2040 | ||
8197b711 | 2041 | SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
2042 | |
2043 | return 0; | |
2044 | } | |
50b3eb4b | 2045 | EXPORT_SYMBOL_GPL(wl1271_init_ieee80211); |
f5fc0f86 | 2046 | |
f5fc0f86 | 2047 | #define WL1271_DEFAULT_CHANNEL 0 |
c332a4b8 | 2048 | |
2d5e82b8 | 2049 | struct ieee80211_hw *wl1271_alloc_hw(void) |
f5fc0f86 | 2050 | { |
f5fc0f86 | 2051 | struct ieee80211_hw *hw; |
3b56dd6a | 2052 | struct platform_device *plat_dev = NULL; |
f5fc0f86 | 2053 | struct wl1271 *wl; |
a1dd8187 | 2054 | int i, ret; |
1b72aecd | 2055 | static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; |
f5fc0f86 LC |
2056 | |
2057 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
2058 | if (!hw) { | |
2059 | wl1271_error("could not alloc ieee80211_hw"); | |
a1dd8187 | 2060 | ret = -ENOMEM; |
3b56dd6a TP |
2061 | goto err_hw_alloc; |
2062 | } | |
2063 | ||
2064 | plat_dev = kmalloc(sizeof(wl1271_device), GFP_KERNEL); | |
2065 | if (!plat_dev) { | |
2066 | wl1271_error("could not allocate platform_device"); | |
2067 | ret = -ENOMEM; | |
2068 | goto err_plat_alloc; | |
f5fc0f86 LC |
2069 | } |
2070 | ||
3b56dd6a TP |
2071 | memcpy(plat_dev, &wl1271_device, sizeof(wl1271_device)); |
2072 | ||
f5fc0f86 LC |
2073 | wl = hw->priv; |
2074 | memset(wl, 0, sizeof(*wl)); | |
2075 | ||
01c09162 JO |
2076 | INIT_LIST_HEAD(&wl->list); |
2077 | ||
f5fc0f86 | 2078 | wl->hw = hw; |
3b56dd6a | 2079 | wl->plat_dev = plat_dev; |
f5fc0f86 LC |
2080 | |
2081 | skb_queue_head_init(&wl->tx_queue); | |
2082 | ||
37b70a81 | 2083 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
f5fc0f86 | 2084 | wl->channel = WL1271_DEFAULT_CHANNEL; |
f5fc0f86 | 2085 | wl->default_key = 0; |
f5fc0f86 LC |
2086 | wl->rx_counter = 0; |
2087 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
2088 | wl->rx_filter = WL1271_DEFAULT_RX_FILTER; | |
19ad0715 | 2089 | wl->psm_entry_retry = 0; |
f5fc0f86 | 2090 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
a6fe2313 | 2091 | wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
830fb67b JO |
2092 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
2093 | wl->sta_rate_set = 0; | |
8a5a37a6 | 2094 | wl->band = IEEE80211_BAND_2GHZ; |
b771eee5 | 2095 | wl->vif = NULL; |
830fb67b | 2096 | wl->flags = 0; |
7fc3a864 | 2097 | wl->sg_enabled = true; |
f5fc0f86 | 2098 | |
be7078c2 | 2099 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
f5fc0f86 LC |
2100 | wl->tx_frames[i] = NULL; |
2101 | ||
2102 | spin_lock_init(&wl->wl_lock); | |
2103 | ||
f5fc0f86 LC |
2104 | wl->state = WL1271_STATE_OFF; |
2105 | mutex_init(&wl->mutex); | |
2106 | ||
1b72aecd JO |
2107 | /* |
2108 | * FIXME: we should use a zero MAC address here, but for now we | |
2109 | * generate a random Nokia address. | |
2110 | */ | |
2111 | memcpy(wl->mac_addr, nokia_oui, 3); | |
2112 | get_random_bytes(wl->mac_addr + 3, 3); | |
2113 | ||
c332a4b8 TP |
2114 | /* Apply default driver configuration. */ |
2115 | wl1271_conf_init(wl); | |
2116 | ||
2d5e82b8 TP |
2117 | wl1271_debugfs_init(wl); |
2118 | ||
a1dd8187 | 2119 | /* Register platform device */ |
3b56dd6a | 2120 | ret = platform_device_register(wl->plat_dev); |
a1dd8187 JO |
2121 | if (ret) { |
2122 | wl1271_error("couldn't register platform device"); | |
2123 | goto err_hw; | |
2124 | } | |
3b56dd6a | 2125 | dev_set_drvdata(&wl->plat_dev->dev, wl); |
a1dd8187 | 2126 | |
7fc3a864 | 2127 | /* Create sysfs file to control bt coex state */ |
3b56dd6a | 2128 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); |
7fc3a864 JO |
2129 | if (ret < 0) { |
2130 | wl1271_error("failed to create sysfs file bt_coex_state"); | |
2131 | goto err_platform; | |
2132 | } | |
a1dd8187 | 2133 | |
c332a4b8 | 2134 | return hw; |
a1dd8187 | 2135 | |
7fc3a864 | 2136 | err_platform: |
3b56dd6a | 2137 | platform_device_unregister(wl->plat_dev); |
7fc3a864 | 2138 | |
a1dd8187 | 2139 | err_hw: |
3b56dd6a TP |
2140 | wl1271_debugfs_exit(wl); |
2141 | kfree(plat_dev); | |
2142 | ||
2143 | err_plat_alloc: | |
2144 | ieee80211_free_hw(hw); | |
2145 | ||
2146 | err_hw_alloc: | |
a1dd8187 | 2147 | |
a1dd8187 | 2148 | return ERR_PTR(ret); |
c332a4b8 | 2149 | } |
50b3eb4b | 2150 | EXPORT_SYMBOL_GPL(wl1271_alloc_hw); |
c332a4b8 TP |
2151 | |
2152 | int wl1271_free_hw(struct wl1271 *wl) | |
2153 | { | |
3b56dd6a TP |
2154 | platform_device_unregister(wl->plat_dev); |
2155 | kfree(wl->plat_dev); | |
c332a4b8 TP |
2156 | |
2157 | wl1271_debugfs_exit(wl); | |
2158 | ||
2159 | kfree(wl->target_mem_map); | |
2160 | vfree(wl->fw); | |
2161 | wl->fw = NULL; | |
2162 | kfree(wl->nvs); | |
2163 | wl->nvs = NULL; | |
2164 | ||
2165 | kfree(wl->fw_status); | |
2166 | kfree(wl->tx_res_if); | |
2167 | ||
2168 | ieee80211_free_hw(wl->hw); | |
2169 | ||
2170 | return 0; | |
2171 | } | |
50b3eb4b TP |
2172 | EXPORT_SYMBOL_GPL(wl1271_free_hw); |
2173 | ||
2174 | MODULE_LICENSE("GPL"); | |
2175 | MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); | |
2176 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |