Commit | Line | Data |
---|---|---|
f5fc0f86 LC |
1 | /* |
2 | * This file is part of wl1271 | |
3 | * | |
8bf29b0e | 4 | * Copyright (C) 2008-2010 Nokia Corporation |
f5fc0f86 LC |
5 | * |
6 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * version 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
20 | * 02110-1301 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <linux/module.h> | |
f5fc0f86 LC |
25 | #include <linux/firmware.h> |
26 | #include <linux/delay.h> | |
f5fc0f86 LC |
27 | #include <linux/spi/spi.h> |
28 | #include <linux/crc32.h> | |
29 | #include <linux/etherdevice.h> | |
1fba4974 | 30 | #include <linux/vmalloc.h> |
a1dd8187 | 31 | #include <linux/platform_device.h> |
5a0e3ad6 | 32 | #include <linux/slab.h> |
341b7cde | 33 | #include <linux/wl12xx.h> |
95dac04f | 34 | #include <linux/sched.h> |
f5fc0f86 | 35 | |
00d20100 | 36 | #include "wl12xx.h" |
f5fc0f86 | 37 | #include "wl12xx_80211.h" |
00d20100 SL |
38 | #include "reg.h" |
39 | #include "io.h" | |
40 | #include "event.h" | |
41 | #include "tx.h" | |
42 | #include "rx.h" | |
43 | #include "ps.h" | |
44 | #include "init.h" | |
45 | #include "debugfs.h" | |
46 | #include "cmd.h" | |
47 | #include "boot.h" | |
48 | #include "testmode.h" | |
49 | #include "scan.h" | |
f5fc0f86 | 50 | |
9ccd9217 JO |
51 | #define WL1271_BOOT_RETRIES 3 |
52 | ||
8a08048a JO |
53 | static struct conf_drv_settings default_conf = { |
54 | .sg = { | |
3be4112c EP |
55 | .params = { |
56 | [CONF_SG_ACL_BT_MASTER_MIN_BR] = 10, | |
57 | [CONF_SG_ACL_BT_MASTER_MAX_BR] = 180, | |
58 | [CONF_SG_ACL_BT_SLAVE_MIN_BR] = 10, | |
59 | [CONF_SG_ACL_BT_SLAVE_MAX_BR] = 180, | |
60 | [CONF_SG_ACL_BT_MASTER_MIN_EDR] = 10, | |
61 | [CONF_SG_ACL_BT_MASTER_MAX_EDR] = 80, | |
62 | [CONF_SG_ACL_BT_SLAVE_MIN_EDR] = 10, | |
63 | [CONF_SG_ACL_BT_SLAVE_MAX_EDR] = 80, | |
64 | [CONF_SG_ACL_WLAN_PS_MASTER_BR] = 8, | |
65 | [CONF_SG_ACL_WLAN_PS_SLAVE_BR] = 8, | |
66 | [CONF_SG_ACL_WLAN_PS_MASTER_EDR] = 20, | |
67 | [CONF_SG_ACL_WLAN_PS_SLAVE_EDR] = 20, | |
68 | [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_BR] = 20, | |
69 | [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_BR] = 35, | |
70 | [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_BR] = 16, | |
71 | [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_BR] = 35, | |
72 | [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_EDR] = 32, | |
73 | [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_EDR] = 50, | |
74 | [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_EDR] = 28, | |
75 | [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_EDR] = 50, | |
76 | [CONF_SG_ACL_ACTIVE_SCAN_WLAN_BR] = 10, | |
77 | [CONF_SG_ACL_ACTIVE_SCAN_WLAN_EDR] = 20, | |
78 | [CONF_SG_ACL_PASSIVE_SCAN_BT_BR] = 75, | |
79 | [CONF_SG_ACL_PASSIVE_SCAN_WLAN_BR] = 15, | |
80 | [CONF_SG_ACL_PASSIVE_SCAN_BT_EDR] = 27, | |
81 | [CONF_SG_ACL_PASSIVE_SCAN_WLAN_EDR] = 17, | |
82 | /* active scan params */ | |
83 | [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, | |
84 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, | |
85 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, | |
86 | /* passive scan params */ | |
87 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_BR] = 800, | |
88 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_EDR] = 200, | |
89 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, | |
90 | /* passive scan in dual antenna params */ | |
91 | [CONF_SG_CONSECUTIVE_HV3_IN_PASSIVE_SCAN] = 0, | |
92 | [CONF_SG_BCN_HV3_COLLISION_THRESH_IN_PASSIVE_SCAN] = 0, | |
93 | [CONF_SG_TX_RX_PROTECTION_BWIDTH_IN_PASSIVE_SCAN] = 0, | |
94 | /* general params */ | |
95 | [CONF_SG_STA_FORCE_PS_IN_BT_SCO] = 1, | |
96 | [CONF_SG_ANTENNA_CONFIGURATION] = 0, | |
97 | [CONF_SG_BEACON_MISS_PERCENT] = 60, | |
98 | [CONF_SG_DHCP_TIME] = 5000, | |
99 | [CONF_SG_RXT] = 1200, | |
100 | [CONF_SG_TXT] = 1000, | |
101 | [CONF_SG_ADAPTIVE_RXT_TXT] = 1, | |
102 | [CONF_SG_GENERAL_USAGE_BIT_MAP] = 3, | |
103 | [CONF_SG_HV3_MAX_SERVED] = 6, | |
104 | [CONF_SG_PS_POLL_TIMEOUT] = 10, | |
105 | [CONF_SG_UPSD_TIMEOUT] = 10, | |
106 | [CONF_SG_CONSECUTIVE_CTS_THRESHOLD] = 2, | |
107 | [CONF_SG_STA_RX_WINDOW_AFTER_DTIM] = 5, | |
108 | [CONF_SG_STA_CONNECTION_PROTECTION_TIME] = 30, | |
109 | /* AP params */ | |
110 | [CONF_AP_BEACON_MISS_TX] = 3, | |
111 | [CONF_AP_RX_WINDOW_AFTER_BEACON] = 10, | |
112 | [CONF_AP_BEACON_WINDOW_INTERVAL] = 2, | |
113 | [CONF_AP_CONNECTION_PROTECTION_TIME] = 0, | |
114 | [CONF_AP_BT_ACL_VAL_BT_SERVE_TIME] = 25, | |
115 | [CONF_AP_BT_ACL_VAL_WL_SERVE_TIME] = 25, | |
801f870b | 116 | }, |
1b00f546 | 117 | .state = CONF_SG_PROTECTIVE, |
8a08048a JO |
118 | }, |
119 | .rx = { | |
120 | .rx_msdu_life_time = 512000, | |
121 | .packet_detection_threshold = 0, | |
122 | .ps_poll_timeout = 15, | |
123 | .upsd_timeout = 15, | |
5f704d18 | 124 | .rts_threshold = IEEE80211_MAX_RTS_THRESHOLD, |
3ed8f2c6 LC |
125 | .rx_cca_threshold = 0, |
126 | .irq_blk_threshold = 0xFFFF, | |
127 | .irq_pkt_threshold = 0, | |
128 | .irq_timeout = 600, | |
8a08048a JO |
129 | .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, |
130 | }, | |
131 | .tx = { | |
132 | .tx_energy_detection = 0, | |
1e05a818 | 133 | .sta_rc_conf = { |
ebba60c6 | 134 | .enabled_rates = 0, |
8a08048a JO |
135 | .short_retry_limit = 10, |
136 | .long_retry_limit = 10, | |
1e05a818 | 137 | .aflags = 0, |
45b531a8 | 138 | }, |
8a08048a JO |
139 | .ac_conf_count = 4, |
140 | .ac_conf = { | |
9987a9da | 141 | [CONF_TX_AC_BE] = { |
8a08048a JO |
142 | .ac = CONF_TX_AC_BE, |
143 | .cw_min = 15, | |
144 | .cw_max = 63, | |
145 | .aifsn = 3, | |
146 | .tx_op_limit = 0, | |
45b531a8 | 147 | }, |
9987a9da | 148 | [CONF_TX_AC_BK] = { |
8a08048a JO |
149 | .ac = CONF_TX_AC_BK, |
150 | .cw_min = 15, | |
151 | .cw_max = 63, | |
152 | .aifsn = 7, | |
153 | .tx_op_limit = 0, | |
45b531a8 | 154 | }, |
9987a9da | 155 | [CONF_TX_AC_VI] = { |
8a08048a JO |
156 | .ac = CONF_TX_AC_VI, |
157 | .cw_min = 15, | |
158 | .cw_max = 63, | |
159 | .aifsn = CONF_TX_AIFS_PIFS, | |
160 | .tx_op_limit = 3008, | |
161 | }, | |
9987a9da | 162 | [CONF_TX_AC_VO] = { |
8a08048a JO |
163 | .ac = CONF_TX_AC_VO, |
164 | .cw_min = 15, | |
165 | .cw_max = 63, | |
166 | .aifsn = CONF_TX_AIFS_PIFS, | |
167 | .tx_op_limit = 1504, | |
45b531a8 | 168 | }, |
51f2be24 | 169 | }, |
3618f30f AN |
170 | .max_tx_retries = 100, |
171 | .ap_aging_period = 300, | |
9987a9da | 172 | .tid_conf_count = 4, |
8a08048a | 173 | .tid_conf = { |
9987a9da JO |
174 | [CONF_TX_AC_BE] = { |
175 | .queue_id = CONF_TX_AC_BE, | |
176 | .channel_type = CONF_CHANNEL_TYPE_EDCF, | |
8a08048a JO |
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 | }, |
9987a9da JO |
182 | [CONF_TX_AC_BK] = { |
183 | .queue_id = CONF_TX_AC_BK, | |
184 | .channel_type = CONF_CHANNEL_TYPE_EDCF, | |
185 | .tsid = CONF_TX_AC_BK, | |
8a08048a JO |
186 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
187 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
188 | .apsd_conf = {0, 0}, | |
189 | }, | |
9987a9da JO |
190 | [CONF_TX_AC_VI] = { |
191 | .queue_id = CONF_TX_AC_VI, | |
192 | .channel_type = CONF_CHANNEL_TYPE_EDCF, | |
193 | .tsid = CONF_TX_AC_VI, | |
8a08048a JO |
194 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
195 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
196 | .apsd_conf = {0, 0}, | |
197 | }, | |
9987a9da JO |
198 | [CONF_TX_AC_VO] = { |
199 | .queue_id = CONF_TX_AC_VO, | |
200 | .channel_type = CONF_CHANNEL_TYPE_EDCF, | |
201 | .tsid = CONF_TX_AC_VO, | |
8a08048a JO |
202 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
203 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
204 | .apsd_conf = {0, 0}, | |
205 | }, | |
8a08048a JO |
206 | }, |
207 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, | |
3ed8f2c6 | 208 | .tx_compl_timeout = 700, |
ebba60c6 JO |
209 | .tx_compl_threshold = 4, |
210 | .basic_rate = CONF_HW_BIT_RATE_1MBPS, | |
211 | .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS, | |
1e05a818 AN |
212 | .tmpl_short_retry_limit = 10, |
213 | .tmpl_long_retry_limit = 10, | |
8a08048a JO |
214 | }, |
215 | .conn = { | |
216 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, | |
50c500ad | 217 | .listen_interval = 1, |
8a08048a | 218 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, |
bc76b940 | 219 | .bcn_filt_ie_count = 2, |
8a08048a JO |
220 | .bcn_filt_ie = { |
221 | [0] = { | |
222 | .ie = WLAN_EID_CHANNEL_SWITCH, | |
223 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, | |
bc76b940 SL |
224 | }, |
225 | [1] = { | |
226 | .ie = WLAN_EID_HT_INFORMATION, | |
227 | .rule = CONF_BCN_RULE_PASS_ON_CHANGE, | |
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, | |
90494a90 JO |
235 | .ps_poll_threshold = 10, |
236 | .ps_poll_recovery_period = 700, | |
11f70f97 | 237 | .bet_enable = CONF_BET_MODE_ENABLE, |
958b20e0 | 238 | .bet_max_consecutive = 50, |
a879ed79 | 239 | .psm_entry_retries = 8, |
2370841b | 240 | .psm_exit_retries = 16, |
8eab7b47 | 241 | .psm_entry_nullfunc_retries = 3, |
50c500ad JO |
242 | .keep_alive_interval = 55000, |
243 | .max_listen_interval = 20, | |
8a08048a | 244 | }, |
6e92b416 LC |
245 | .itrim = { |
246 | .enable = false, | |
247 | .timeout = 50000, | |
38ad2d87 JO |
248 | }, |
249 | .pm_config = { | |
250 | .host_clk_settling_time = 5000, | |
251 | .host_fast_wakeup_support = false | |
00236aed JO |
252 | }, |
253 | .roam_trigger = { | |
00236aed JO |
254 | .trigger_pacing = 1, |
255 | .avg_weight_rssi_beacon = 20, | |
256 | .avg_weight_rssi_data = 10, | |
257 | .avg_weight_snr_beacon = 20, | |
4b7fac77 | 258 | .avg_weight_snr_data = 10, |
bea39d6a JO |
259 | }, |
260 | .scan = { | |
261 | .min_dwell_time_active = 7500, | |
262 | .max_dwell_time_active = 30000, | |
ea45b2cb JO |
263 | .min_dwell_time_passive = 100000, |
264 | .max_dwell_time_passive = 100000, | |
bea39d6a JO |
265 | .num_probe_reqs = 2, |
266 | }, | |
3a9d60e5 LC |
267 | .sched_scan = { |
268 | /* sched_scan requires dwell times in TU instead of TU/1000 */ | |
221737d2 LC |
269 | .min_dwell_time_active = 30, |
270 | .max_dwell_time_active = 60, | |
3a9d60e5 | 271 | .dwell_time_passive = 100, |
50a66d7f | 272 | .dwell_time_dfs = 150, |
3a9d60e5 LC |
273 | .num_probe_reqs = 2, |
274 | .rssi_threshold = -90, | |
275 | .snr_threshold = 0, | |
276 | }, | |
644a4860 JO |
277 | .rf = { |
278 | .tx_per_channel_power_compensation_2 = { | |
279 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
280 | }, | |
281 | .tx_per_channel_power_compensation_5 = { | |
282 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
283 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
284 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
285 | }, | |
286 | }, | |
4b7fac77 | 287 | .ht = { |
0f9c8250 | 288 | .rx_ba_win_size = 8, |
4b7fac77 LS |
289 | .tx_ba_win_size = 64, |
290 | .inactivity_timeout = 10000, | |
0f9c8250 | 291 | .tx_ba_tid_bitmap = CONF_TX_BA_ENABLED_TID_BITMAP, |
4b7fac77 | 292 | }, |
13b107dd | 293 | .mem_wl127x = { |
fe5ef090 EP |
294 | .num_stations = 1, |
295 | .ssid_profiles = 1, | |
296 | .rx_block_num = 70, | |
297 | .tx_min_block_num = 40, | |
4cf557fc | 298 | .dynamic_memory = 1, |
b16d4b68 | 299 | .min_req_tx_blocks = 100, |
c8bde243 EP |
300 | .min_req_rx_blocks = 22, |
301 | .tx_min = 27, | |
13b107dd SL |
302 | }, |
303 | .mem_wl128x = { | |
304 | .num_stations = 1, | |
305 | .ssid_profiles = 1, | |
306 | .rx_block_num = 40, | |
307 | .tx_min_block_num = 40, | |
308 | .dynamic_memory = 1, | |
309 | .min_req_tx_blocks = 45, | |
310 | .min_req_rx_blocks = 22, | |
311 | .tx_min = 27, | |
312 | }, | |
ff86843d SL |
313 | .fm_coex = { |
314 | .enable = true, | |
315 | .swallow_period = 5, | |
316 | .n_divider_fref_set_1 = 0xff, /* default */ | |
317 | .n_divider_fref_set_2 = 12, | |
318 | .m_divider_fref_set_1 = 148, | |
319 | .m_divider_fref_set_2 = 0xffff, /* default */ | |
320 | .coex_pll_stabilization_time = 0xffffffff, /* default */ | |
321 | .ldo_stabilization_time = 0xffff, /* default */ | |
322 | .fm_disturbed_band_margin = 0xff, /* default */ | |
323 | .swallow_clk_diff = 0xff, /* default */ | |
324 | }, | |
f84673d5 EP |
325 | .rx_streaming = { |
326 | .duration = 150, | |
327 | .queues = 0x1, | |
328 | .interval = 20, | |
77ddaa10 | 329 | .always = 0, |
f84673d5 | 330 | }, |
95dac04f IY |
331 | .fwlog = { |
332 | .mode = WL12XX_FWLOG_ON_DEMAND, | |
333 | .mem_blocks = 2, | |
334 | .severity = 0, | |
335 | .timestamp = WL12XX_FWLOG_TIMESTAMP_DISABLED, | |
336 | .output = WL12XX_FWLOG_OUTPUT_HOST, | |
337 | .threshold = 0, | |
338 | }, | |
afb7d3cd | 339 | .hci_io_ds = HCI_IO_DS_6MA, |
fa6ad9f0 EP |
340 | .rate = { |
341 | .rate_retry_score = 32000, | |
342 | .per_add = 8192, | |
343 | .per_th1 = 2048, | |
344 | .per_th2 = 4096, | |
345 | .max_per = 8100, | |
346 | .inverse_curiosity_factor = 5, | |
347 | .tx_fail_low_th = 4, | |
348 | .tx_fail_high_th = 10, | |
349 | .per_alpha_shift = 4, | |
350 | .per_add_shift = 13, | |
351 | .per_beta1_shift = 10, | |
352 | .per_beta2_shift = 8, | |
353 | .rate_check_up = 2, | |
354 | .rate_check_down = 12, | |
355 | .rate_retry_policy = { | |
356 | 0x00, 0x00, 0x00, 0x00, 0x00, | |
357 | 0x00, 0x00, 0x00, 0x00, 0x00, | |
358 | 0x00, 0x00, 0x00, | |
359 | }, | |
360 | }, | |
9487775c EP |
361 | .hangover = { |
362 | .recover_time = 0, | |
363 | .hangover_period = 20, | |
364 | .dynamic_mode = 1, | |
365 | .early_termination_mode = 1, | |
366 | .max_period = 20, | |
367 | .min_period = 1, | |
368 | .increase_delta = 1, | |
369 | .decrease_delta = 2, | |
370 | .quiet_time = 4, | |
371 | .increase_time = 1, | |
372 | .window_size = 16, | |
373 | }, | |
8a08048a JO |
374 | }; |
375 | ||
95dac04f | 376 | static char *fwlog_param; |
2a5bff09 | 377 | static bool bug_on_recovery; |
95dac04f | 378 | |
7dece1c8 AN |
379 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
380 | bool reset_tx_queues); | |
7f179b46 | 381 | static void wl1271_free_ap_keys(struct wl1271 *wl); |
52b0e7a6 JO |
382 | |
383 | ||
a1dd8187 JO |
384 | static void wl1271_device_release(struct device *dev) |
385 | { | |
386 | ||
387 | } | |
388 | ||
389 | static struct platform_device wl1271_device = { | |
390 | .name = "wl1271", | |
391 | .id = -1, | |
392 | ||
393 | /* device model insists to have a release function */ | |
394 | .dev = { | |
395 | .release = wl1271_device_release, | |
396 | }, | |
397 | }; | |
398 | ||
f9f774c1 | 399 | static DEFINE_MUTEX(wl_list_mutex); |
01c09162 JO |
400 | static LIST_HEAD(wl_list); |
401 | ||
ef4b29e9 EP |
402 | static int wl1271_check_operstate(struct wl1271 *wl, unsigned char operstate) |
403 | { | |
404 | int ret; | |
405 | if (operstate != IF_OPER_UP) | |
406 | return 0; | |
407 | ||
408 | if (test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) | |
409 | return 0; | |
410 | ||
b67476ef | 411 | ret = wl12xx_cmd_set_peer_state(wl, wl->sta_hlid); |
ef4b29e9 EP |
412 | if (ret < 0) |
413 | return ret; | |
414 | ||
251c177f EP |
415 | wl12xx_croc(wl, wl->role_id); |
416 | ||
ef4b29e9 EP |
417 | wl1271_info("Association completed."); |
418 | return 0; | |
419 | } | |
c2c192ac JO |
420 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
421 | void *arg) | |
422 | { | |
423 | struct net_device *dev = arg; | |
424 | struct wireless_dev *wdev; | |
425 | struct wiphy *wiphy; | |
426 | struct ieee80211_hw *hw; | |
427 | struct wl1271 *wl; | |
428 | struct wl1271 *wl_temp; | |
429 | int ret = 0; | |
430 | ||
431 | /* Check that this notification is for us. */ | |
432 | if (what != NETDEV_CHANGE) | |
433 | return NOTIFY_DONE; | |
434 | ||
435 | wdev = dev->ieee80211_ptr; | |
436 | if (wdev == NULL) | |
437 | return NOTIFY_DONE; | |
438 | ||
439 | wiphy = wdev->wiphy; | |
440 | if (wiphy == NULL) | |
441 | return NOTIFY_DONE; | |
442 | ||
443 | hw = wiphy_priv(wiphy); | |
444 | if (hw == NULL) | |
445 | return NOTIFY_DONE; | |
446 | ||
447 | wl_temp = hw->priv; | |
f9f774c1 | 448 | mutex_lock(&wl_list_mutex); |
c2c192ac JO |
449 | list_for_each_entry(wl, &wl_list, list) { |
450 | if (wl == wl_temp) | |
451 | break; | |
452 | } | |
f9f774c1 | 453 | mutex_unlock(&wl_list_mutex); |
c2c192ac JO |
454 | if (wl != wl_temp) |
455 | return NOTIFY_DONE; | |
456 | ||
457 | mutex_lock(&wl->mutex); | |
458 | ||
459 | if (wl->state == WL1271_STATE_OFF) | |
460 | goto out; | |
461 | ||
462 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
463 | goto out; | |
464 | ||
a620865e | 465 | ret = wl1271_ps_elp_wakeup(wl); |
c2c192ac JO |
466 | if (ret < 0) |
467 | goto out; | |
468 | ||
ef4b29e9 | 469 | wl1271_check_operstate(wl, dev->operstate); |
c2c192ac JO |
470 | |
471 | wl1271_ps_elp_sleep(wl); | |
472 | ||
473 | out: | |
474 | mutex_unlock(&wl->mutex); | |
475 | ||
476 | return NOTIFY_OK; | |
477 | } | |
478 | ||
b7417d93 | 479 | static int wl1271_reg_notify(struct wiphy *wiphy, |
573c67cf LC |
480 | struct regulatory_request *request) |
481 | { | |
b7417d93 JO |
482 | struct ieee80211_supported_band *band; |
483 | struct ieee80211_channel *ch; | |
484 | int i; | |
485 | ||
486 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
487 | for (i = 0; i < band->n_channels; i++) { | |
488 | ch = &band->channels[i]; | |
489 | if (ch->flags & IEEE80211_CHAN_DISABLED) | |
490 | continue; | |
491 | ||
492 | if (ch->flags & IEEE80211_CHAN_RADAR) | |
493 | ch->flags |= IEEE80211_CHAN_NO_IBSS | | |
494 | IEEE80211_CHAN_PASSIVE_SCAN; | |
495 | ||
496 | } | |
497 | ||
498 | return 0; | |
499 | } | |
500 | ||
77ddaa10 EP |
501 | static int wl1271_set_rx_streaming(struct wl1271 *wl, bool enable) |
502 | { | |
503 | int ret = 0; | |
504 | ||
505 | /* we should hold wl->mutex */ | |
506 | ret = wl1271_acx_ps_rx_streaming(wl, enable); | |
507 | if (ret < 0) | |
508 | goto out; | |
509 | ||
510 | if (enable) | |
511 | set_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags); | |
512 | else | |
513 | clear_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags); | |
514 | out: | |
515 | return ret; | |
516 | } | |
517 | ||
518 | /* | |
519 | * this function is being called when the rx_streaming interval | |
520 | * has beed changed or rx_streaming should be disabled | |
521 | */ | |
522 | int wl1271_recalc_rx_streaming(struct wl1271 *wl) | |
523 | { | |
524 | int ret = 0; | |
525 | int period = wl->conf.rx_streaming.interval; | |
526 | ||
527 | /* don't reconfigure if rx_streaming is disabled */ | |
528 | if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) | |
529 | goto out; | |
530 | ||
531 | /* reconfigure/disable according to new streaming_period */ | |
532 | if (period && | |
533 | test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) && | |
534 | (wl->conf.rx_streaming.always || | |
535 | test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
536 | ret = wl1271_set_rx_streaming(wl, true); | |
537 | else { | |
538 | ret = wl1271_set_rx_streaming(wl, false); | |
539 | /* don't cancel_work_sync since we might deadlock */ | |
540 | del_timer_sync(&wl->rx_streaming_timer); | |
541 | } | |
542 | out: | |
543 | return ret; | |
544 | } | |
545 | ||
546 | static void wl1271_rx_streaming_enable_work(struct work_struct *work) | |
547 | { | |
548 | int ret; | |
549 | struct wl1271 *wl = | |
550 | container_of(work, struct wl1271, rx_streaming_enable_work); | |
551 | ||
552 | mutex_lock(&wl->mutex); | |
553 | ||
554 | if (test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags) || | |
555 | !test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) || | |
556 | (!wl->conf.rx_streaming.always && | |
557 | !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
558 | goto out; | |
559 | ||
560 | if (!wl->conf.rx_streaming.interval) | |
561 | goto out; | |
562 | ||
563 | ret = wl1271_ps_elp_wakeup(wl); | |
564 | if (ret < 0) | |
565 | goto out; | |
566 | ||
567 | ret = wl1271_set_rx_streaming(wl, true); | |
568 | if (ret < 0) | |
569 | goto out_sleep; | |
570 | ||
571 | /* stop it after some time of inactivity */ | |
572 | mod_timer(&wl->rx_streaming_timer, | |
573 | jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration)); | |
574 | ||
575 | out_sleep: | |
576 | wl1271_ps_elp_sleep(wl); | |
577 | out: | |
578 | mutex_unlock(&wl->mutex); | |
579 | } | |
580 | ||
581 | static void wl1271_rx_streaming_disable_work(struct work_struct *work) | |
582 | { | |
583 | int ret; | |
584 | struct wl1271 *wl = | |
585 | container_of(work, struct wl1271, rx_streaming_disable_work); | |
586 | ||
587 | mutex_lock(&wl->mutex); | |
588 | ||
589 | if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) | |
590 | goto out; | |
591 | ||
592 | ret = wl1271_ps_elp_wakeup(wl); | |
593 | if (ret < 0) | |
594 | goto out; | |
595 | ||
596 | ret = wl1271_set_rx_streaming(wl, false); | |
597 | if (ret) | |
598 | goto out_sleep; | |
599 | ||
600 | out_sleep: | |
601 | wl1271_ps_elp_sleep(wl); | |
602 | out: | |
603 | mutex_unlock(&wl->mutex); | |
604 | } | |
605 | ||
606 | static void wl1271_rx_streaming_timer(unsigned long data) | |
607 | { | |
608 | struct wl1271 *wl = (struct wl1271 *)data; | |
609 | ieee80211_queue_work(wl->hw, &wl->rx_streaming_disable_work); | |
610 | } | |
611 | ||
8a08048a JO |
612 | static void wl1271_conf_init(struct wl1271 *wl) |
613 | { | |
2b60100b JO |
614 | |
615 | /* | |
616 | * This function applies the default configuration to the driver. This | |
617 | * function is invoked upon driver load (spi probe.) | |
618 | * | |
619 | * The configuration is stored in a run-time structure in order to | |
620 | * facilitate for run-time adjustment of any of the parameters. Making | |
621 | * changes to the configuration structure will apply the new values on | |
622 | * the next interface up (wl1271_op_start.) | |
623 | */ | |
624 | ||
625 | /* apply driver default configuration */ | |
8a08048a | 626 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
2b60100b | 627 | |
95dac04f IY |
628 | /* Adjust settings according to optional module parameters */ |
629 | if (fwlog_param) { | |
630 | if (!strcmp(fwlog_param, "continuous")) { | |
631 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; | |
632 | } else if (!strcmp(fwlog_param, "ondemand")) { | |
633 | wl->conf.fwlog.mode = WL12XX_FWLOG_ON_DEMAND; | |
634 | } else if (!strcmp(fwlog_param, "dbgpins")) { | |
635 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; | |
636 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_DBG_PINS; | |
637 | } else if (!strcmp(fwlog_param, "disable")) { | |
638 | wl->conf.fwlog.mem_blocks = 0; | |
639 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_NONE; | |
640 | } else { | |
641 | wl1271_error("Unknown fwlog parameter %s", fwlog_param); | |
642 | } | |
643 | } | |
644 | } | |
2b60100b | 645 | |
f5fc0f86 LC |
646 | static int wl1271_plt_init(struct wl1271 *wl) |
647 | { | |
12419cce LC |
648 | struct conf_tx_ac_category *conf_ac; |
649 | struct conf_tx_tid *conf_tid; | |
650 | int ret, i; | |
f5fc0f86 | 651 | |
49d750ca SL |
652 | if (wl->chip.id == CHIP_ID_1283_PG20) |
653 | ret = wl128x_cmd_general_parms(wl); | |
654 | else | |
655 | ret = wl1271_cmd_general_parms(wl); | |
4a90406b | 656 | if (ret < 0) |
cc7defa3 LC |
657 | return ret; |
658 | ||
49d750ca SL |
659 | if (wl->chip.id == CHIP_ID_1283_PG20) |
660 | ret = wl128x_cmd_radio_parms(wl); | |
661 | else | |
662 | ret = wl1271_cmd_radio_parms(wl); | |
4a90406b | 663 | if (ret < 0) |
cc7defa3 LC |
664 | return ret; |
665 | ||
49d750ca SL |
666 | if (wl->chip.id != CHIP_ID_1283_PG20) { |
667 | ret = wl1271_cmd_ext_radio_parms(wl); | |
668 | if (ret < 0) | |
669 | return ret; | |
670 | } | |
644a4860 JO |
671 | if (ret < 0) |
672 | return ret; | |
673 | ||
48a61477 SL |
674 | /* Chip-specific initializations */ |
675 | ret = wl1271_chip_specific_init(wl); | |
676 | if (ret < 0) | |
677 | return ret; | |
678 | ||
e0fe371b | 679 | ret = wl1271_sta_init_templates_config(wl); |
12419cce LC |
680 | if (ret < 0) |
681 | return ret; | |
682 | ||
f5fc0f86 LC |
683 | ret = wl1271_acx_init_mem_config(wl); |
684 | if (ret < 0) | |
685 | return ret; | |
686 | ||
12419cce LC |
687 | /* PHY layer config */ |
688 | ret = wl1271_init_phy_config(wl); | |
689 | if (ret < 0) | |
690 | goto out_free_memmap; | |
691 | ||
692 | ret = wl1271_acx_dco_itrim_params(wl); | |
693 | if (ret < 0) | |
694 | goto out_free_memmap; | |
695 | ||
696 | /* Initialize connection monitoring thresholds */ | |
6ccbb92e | 697 | ret = wl1271_acx_conn_monit_params(wl, false); |
12419cce LC |
698 | if (ret < 0) |
699 | goto out_free_memmap; | |
700 | ||
701 | /* Bluetooth WLAN coexistence */ | |
702 | ret = wl1271_init_pta(wl); | |
703 | if (ret < 0) | |
704 | goto out_free_memmap; | |
705 | ||
ff86843d SL |
706 | /* FM WLAN coexistence */ |
707 | ret = wl1271_acx_fm_coex(wl); | |
708 | if (ret < 0) | |
709 | goto out_free_memmap; | |
710 | ||
12419cce LC |
711 | /* Energy detection */ |
712 | ret = wl1271_init_energy_detection(wl); | |
713 | if (ret < 0) | |
714 | goto out_free_memmap; | |
715 | ||
7f097988 | 716 | ret = wl12xx_acx_mem_cfg(wl); |
1ec610eb GK |
717 | if (ret < 0) |
718 | goto out_free_memmap; | |
719 | ||
12419cce | 720 | /* Default fragmentation threshold */ |
68d069c4 | 721 | ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold); |
12419cce LC |
722 | if (ret < 0) |
723 | goto out_free_memmap; | |
724 | ||
9987a9da JO |
725 | /* Default TID/AC configuration */ |
726 | BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count); | |
12419cce | 727 | for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { |
9987a9da JO |
728 | conf_ac = &wl->conf.tx.ac_conf[i]; |
729 | ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min, | |
730 | conf_ac->cw_max, conf_ac->aifsn, | |
731 | conf_ac->tx_op_limit); | |
732 | if (ret < 0) | |
733 | goto out_free_memmap; | |
734 | ||
12419cce LC |
735 | conf_tid = &wl->conf.tx.tid_conf[i]; |
736 | ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id, | |
737 | conf_tid->channel_type, | |
738 | conf_tid->tsid, | |
739 | conf_tid->ps_scheme, | |
740 | conf_tid->ack_policy, | |
741 | conf_tid->apsd_conf[0], | |
742 | conf_tid->apsd_conf[1]); | |
743 | if (ret < 0) | |
744 | goto out_free_memmap; | |
745 | } | |
746 | ||
12419cce | 747 | /* Enable data path */ |
94210897 | 748 | ret = wl1271_cmd_data_path(wl, 1); |
f5fc0f86 | 749 | if (ret < 0) |
12419cce LC |
750 | goto out_free_memmap; |
751 | ||
752 | /* Configure for CAM power saving (ie. always active) */ | |
753 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); | |
754 | if (ret < 0) | |
755 | goto out_free_memmap; | |
756 | ||
757 | /* configure PM */ | |
758 | ret = wl1271_acx_pm_config(wl); | |
759 | if (ret < 0) | |
760 | goto out_free_memmap; | |
f5fc0f86 LC |
761 | |
762 | return 0; | |
12419cce LC |
763 | |
764 | out_free_memmap: | |
765 | kfree(wl->target_mem_map); | |
766 | wl->target_mem_map = NULL; | |
767 | ||
768 | return ret; | |
f5fc0f86 LC |
769 | } |
770 | ||
9b17f1b3 | 771 | static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, u8 hlid, u8 tx_pkts) |
b622d992 | 772 | { |
da03209e | 773 | bool fw_ps, single_sta; |
b622d992 AN |
774 | |
775 | /* only regulate station links */ | |
776 | if (hlid < WL1271_AP_STA_HLID_START) | |
777 | return; | |
778 | ||
779 | fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); | |
da03209e | 780 | single_sta = (wl->active_sta_count == 1); |
b622d992 AN |
781 | |
782 | /* | |
783 | * Wake up from high level PS if the STA is asleep with too little | |
9b17f1b3 | 784 | * packets in FW or if the STA is awake. |
b622d992 | 785 | */ |
9b17f1b3 | 786 | if (!fw_ps || tx_pkts < WL1271_PS_STA_MAX_PACKETS) |
b622d992 AN |
787 | wl1271_ps_link_end(wl, hlid); |
788 | ||
da03209e AN |
789 | /* |
790 | * Start high-level PS if the STA is asleep with enough blocks in FW. | |
791 | * Make an exception if this is the only connected station. In this | |
792 | * case FW-memory congestion is not a problem. | |
793 | */ | |
794 | else if (!single_sta && fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS) | |
b622d992 AN |
795 | wl1271_ps_link_start(wl, hlid, true); |
796 | } | |
797 | ||
9b17f1b3 AN |
798 | bool wl1271_is_active_sta(struct wl1271 *wl, u8 hlid) |
799 | { | |
04216da3 AN |
800 | int id; |
801 | ||
802 | /* global/broadcast "stations" are always active */ | |
803 | if (hlid < WL1271_AP_STA_HLID_START) | |
804 | return true; | |
805 | ||
806 | id = hlid - WL1271_AP_STA_HLID_START; | |
9b17f1b3 AN |
807 | return test_bit(id, wl->ap_hlid_map); |
808 | } | |
809 | ||
810 | static void wl12xx_irq_update_links_status(struct wl1271 *wl, | |
811 | struct wl12xx_fw_status *status) | |
b622d992 AN |
812 | { |
813 | u32 cur_fw_ps_map; | |
9b17f1b3 AN |
814 | u8 hlid, cnt; |
815 | ||
816 | /* TODO: also use link_fast_bitmap here */ | |
b622d992 AN |
817 | |
818 | cur_fw_ps_map = le32_to_cpu(status->link_ps_bitmap); | |
819 | if (wl->ap_fw_ps_map != cur_fw_ps_map) { | |
820 | wl1271_debug(DEBUG_PSM, | |
821 | "link ps prev 0x%x cur 0x%x changed 0x%x", | |
822 | wl->ap_fw_ps_map, cur_fw_ps_map, | |
823 | wl->ap_fw_ps_map ^ cur_fw_ps_map); | |
824 | ||
825 | wl->ap_fw_ps_map = cur_fw_ps_map; | |
826 | } | |
827 | ||
828 | for (hlid = WL1271_AP_STA_HLID_START; hlid < AP_MAX_LINKS; hlid++) { | |
9b17f1b3 AN |
829 | if (!wl1271_is_active_sta(wl, hlid)) |
830 | continue; | |
b622d992 | 831 | |
9b17f1b3 AN |
832 | cnt = status->tx_lnk_free_pkts[hlid] - |
833 | wl->links[hlid].prev_freed_pkts; | |
b622d992 | 834 | |
9b17f1b3 AN |
835 | wl->links[hlid].prev_freed_pkts = |
836 | status->tx_lnk_free_pkts[hlid]; | |
837 | wl->links[hlid].allocated_pkts -= cnt; | |
838 | ||
839 | wl12xx_irq_ps_regulate_link(wl, hlid, | |
840 | wl->links[hlid].allocated_pkts); | |
b622d992 AN |
841 | } |
842 | } | |
843 | ||
4d56ad9c EP |
844 | static void wl12xx_fw_status(struct wl1271 *wl, |
845 | struct wl12xx_fw_status *status) | |
f5fc0f86 | 846 | { |
ac5e1e39 | 847 | struct timespec ts; |
13b107dd | 848 | u32 old_tx_blk_count = wl->tx_blocks_available; |
4d56ad9c | 849 | int avail, freed_blocks; |
bf54e301 | 850 | int i; |
f5fc0f86 | 851 | |
4d56ad9c | 852 | wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false); |
13b107dd | 853 | |
f5fc0f86 LC |
854 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " |
855 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
856 | status->intr, | |
857 | status->fw_rx_counter, | |
858 | status->drv_rx_counter, | |
859 | status->tx_results_counter); | |
860 | ||
bf54e301 AN |
861 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
862 | /* prevent wrap-around in freed-packets counter */ | |
742246f8 | 863 | wl->tx_allocated_pkts[i] -= |
bf54e301 AN |
864 | (status->tx_released_pkts[i] - |
865 | wl->tx_pkts_freed[i]) & 0xff; | |
866 | ||
867 | wl->tx_pkts_freed[i] = status->tx_released_pkts[i]; | |
868 | } | |
869 | ||
bdf91cfa AN |
870 | /* prevent wrap-around in total blocks counter */ |
871 | if (likely(wl->tx_blocks_freed <= | |
872 | le32_to_cpu(status->total_released_blks))) | |
873 | freed_blocks = le32_to_cpu(status->total_released_blks) - | |
874 | wl->tx_blocks_freed; | |
875 | else | |
876 | freed_blocks = 0x100000000LL - wl->tx_blocks_freed + | |
877 | le32_to_cpu(status->total_released_blks); | |
878 | ||
4d56ad9c | 879 | wl->tx_blocks_freed = le32_to_cpu(status->total_released_blks); |
13b107dd | 880 | |
7bb5d6ce AN |
881 | wl->tx_allocated_blocks -= freed_blocks; |
882 | ||
4d56ad9c | 883 | avail = le32_to_cpu(status->tx_total) - wl->tx_allocated_blocks; |
13b107dd | 884 | |
4d56ad9c EP |
885 | /* |
886 | * The FW might change the total number of TX memblocks before | |
887 | * we get a notification about blocks being released. Thus, the | |
888 | * available blocks calculation might yield a temporary result | |
889 | * which is lower than the actual available blocks. Keeping in | |
890 | * mind that only blocks that were allocated can be moved from | |
891 | * TX to RX, tx_blocks_available should never decrease here. | |
892 | */ | |
893 | wl->tx_blocks_available = max((int)wl->tx_blocks_available, | |
894 | avail); | |
f5fc0f86 | 895 | |
a522550a | 896 | /* if more blocks are available now, tx work can be scheduled */ |
13b107dd | 897 | if (wl->tx_blocks_available > old_tx_blk_count) |
a522550a | 898 | clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags); |
f5fc0f86 | 899 | |
4d56ad9c | 900 | /* for AP update num of allocated TX blocks per link and ps status */ |
9b17f1b3 AN |
901 | if (wl->bss_type == BSS_TYPE_AP_BSS) |
902 | wl12xx_irq_update_links_status(wl, status); | |
4d56ad9c | 903 | |
f5fc0f86 | 904 | /* update the host-chipset time offset */ |
ac5e1e39 JO |
905 | getnstimeofday(&ts); |
906 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - | |
907 | (s64)le32_to_cpu(status->fw_localtime); | |
f5fc0f86 LC |
908 | } |
909 | ||
a620865e IY |
910 | static void wl1271_flush_deferred_work(struct wl1271 *wl) |
911 | { | |
912 | struct sk_buff *skb; | |
913 | ||
914 | /* Pass all received frames to the network stack */ | |
915 | while ((skb = skb_dequeue(&wl->deferred_rx_queue))) | |
916 | ieee80211_rx_ni(wl->hw, skb); | |
917 | ||
918 | /* Return sent skbs to the network stack */ | |
919 | while ((skb = skb_dequeue(&wl->deferred_tx_queue))) | |
c27d3acc | 920 | ieee80211_tx_status_ni(wl->hw, skb); |
a620865e IY |
921 | } |
922 | ||
923 | static void wl1271_netstack_work(struct work_struct *work) | |
924 | { | |
925 | struct wl1271 *wl = | |
926 | container_of(work, struct wl1271, netstack_work); | |
927 | ||
928 | do { | |
929 | wl1271_flush_deferred_work(wl); | |
930 | } while (skb_queue_len(&wl->deferred_rx_queue)); | |
931 | } | |
1e73eb62 | 932 | |
a620865e IY |
933 | #define WL1271_IRQ_MAX_LOOPS 256 |
934 | ||
935 | irqreturn_t wl1271_irq(int irq, void *cookie) | |
f5fc0f86 | 936 | { |
f5fc0f86 | 937 | int ret; |
c15f63bf | 938 | u32 intr; |
1e73eb62 | 939 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
a620865e IY |
940 | struct wl1271 *wl = (struct wl1271 *)cookie; |
941 | bool done = false; | |
942 | unsigned int defer_count; | |
b07d4037 IY |
943 | unsigned long flags; |
944 | ||
945 | /* TX might be handled here, avoid redundant work */ | |
946 | set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); | |
947 | cancel_work_sync(&wl->tx_work); | |
f5fc0f86 | 948 | |
341b7cde IY |
949 | /* |
950 | * In case edge triggered interrupt must be used, we cannot iterate | |
951 | * more than once without introducing race conditions with the hardirq. | |
952 | */ | |
953 | if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) | |
954 | loopcount = 1; | |
955 | ||
f5fc0f86 LC |
956 | mutex_lock(&wl->mutex); |
957 | ||
958 | wl1271_debug(DEBUG_IRQ, "IRQ work"); | |
959 | ||
1e73eb62 | 960 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
f5fc0f86 LC |
961 | goto out; |
962 | ||
a620865e | 963 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
964 | if (ret < 0) |
965 | goto out; | |
966 | ||
a620865e IY |
967 | while (!done && loopcount--) { |
968 | /* | |
969 | * In order to avoid a race with the hardirq, clear the flag | |
970 | * before acknowledging the chip. Since the mutex is held, | |
971 | * wl1271_ps_elp_wakeup cannot be called concurrently. | |
972 | */ | |
973 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
974 | smp_mb__after_clear_bit(); | |
1e73eb62 | 975 | |
4d56ad9c EP |
976 | wl12xx_fw_status(wl, wl->fw_status); |
977 | intr = le32_to_cpu(wl->fw_status->intr); | |
a620865e | 978 | intr &= WL1271_INTR_MASK; |
1e73eb62 | 979 | if (!intr) { |
a620865e | 980 | done = true; |
1e73eb62 JO |
981 | continue; |
982 | } | |
f5fc0f86 | 983 | |
ccc83b04 EP |
984 | if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { |
985 | wl1271_error("watchdog interrupt received! " | |
986 | "starting recovery."); | |
baacb9ae | 987 | wl12xx_queue_recovery_work(wl); |
ccc83b04 EP |
988 | |
989 | /* restarting the chip. ignore any other interrupt. */ | |
990 | goto out; | |
991 | } | |
992 | ||
a620865e | 993 | if (likely(intr & WL1271_ACX_INTR_DATA)) { |
1e73eb62 | 994 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
1fd2794f | 995 | |
4d56ad9c | 996 | wl12xx_rx(wl, wl->fw_status); |
f5fc0f86 | 997 | |
a522550a | 998 | /* Check if any tx blocks were freed */ |
b07d4037 | 999 | spin_lock_irqsave(&wl->wl_lock, flags); |
a522550a | 1000 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
f1a46384 | 1001 | wl1271_tx_total_queue_count(wl) > 0) { |
b07d4037 | 1002 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
a522550a IY |
1003 | /* |
1004 | * In order to avoid starvation of the TX path, | |
1005 | * call the work function directly. | |
1006 | */ | |
1007 | wl1271_tx_work_locked(wl); | |
b07d4037 IY |
1008 | } else { |
1009 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
a522550a IY |
1010 | } |
1011 | ||
8aad2464 | 1012 | /* check for tx results */ |
4d56ad9c | 1013 | if (wl->fw_status->tx_results_counter != |
8aad2464 IY |
1014 | (wl->tx_results_count & 0xff)) |
1015 | wl1271_tx_complete(wl); | |
a620865e IY |
1016 | |
1017 | /* Make sure the deferred queues don't get too long */ | |
1018 | defer_count = skb_queue_len(&wl->deferred_tx_queue) + | |
1019 | skb_queue_len(&wl->deferred_rx_queue); | |
1020 | if (defer_count > WL1271_DEFERRED_QUEUE_LIMIT) | |
1021 | wl1271_flush_deferred_work(wl); | |
1e73eb62 | 1022 | } |
f5fc0f86 | 1023 | |
1e73eb62 JO |
1024 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
1025 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); | |
1026 | wl1271_event_handle(wl, 0); | |
1027 | } | |
f5fc0f86 | 1028 | |
1e73eb62 JO |
1029 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
1030 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
1031 | wl1271_event_handle(wl, 1); | |
1032 | } | |
f5fc0f86 | 1033 | |
1e73eb62 JO |
1034 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
1035 | wl1271_debug(DEBUG_IRQ, | |
1036 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 1037 | |
1e73eb62 JO |
1038 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
1039 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
c15f63bf | 1040 | } |
f5fc0f86 | 1041 | |
f5fc0f86 LC |
1042 | wl1271_ps_elp_sleep(wl); |
1043 | ||
1044 | out: | |
b07d4037 IY |
1045 | spin_lock_irqsave(&wl->wl_lock, flags); |
1046 | /* In case TX was not handled here, queue TX work */ | |
1047 | clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); | |
1048 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && | |
f1a46384 | 1049 | wl1271_tx_total_queue_count(wl) > 0) |
b07d4037 IY |
1050 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
1051 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
1052 | ||
f5fc0f86 | 1053 | mutex_unlock(&wl->mutex); |
a620865e IY |
1054 | |
1055 | return IRQ_HANDLED; | |
f5fc0f86 | 1056 | } |
a620865e | 1057 | EXPORT_SYMBOL_GPL(wl1271_irq); |
f5fc0f86 | 1058 | |
f5fc0f86 LC |
1059 | static int wl1271_fetch_firmware(struct wl1271 *wl) |
1060 | { | |
1061 | const struct firmware *fw; | |
166d504e | 1062 | const char *fw_name; |
f5fc0f86 LC |
1063 | int ret; |
1064 | ||
c302b2c9 AN |
1065 | if (wl->chip.id == CHIP_ID_1283_PG20) |
1066 | fw_name = WL128X_FW_NAME; | |
1067 | else | |
1068 | fw_name = WL127X_FW_NAME; | |
166d504e AN |
1069 | |
1070 | wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name); | |
1071 | ||
1072 | ret = request_firmware(&fw, fw_name, wl1271_wl_to_dev(wl)); | |
f5fc0f86 LC |
1073 | |
1074 | if (ret < 0) { | |
1075 | wl1271_error("could not get firmware: %d", ret); | |
1076 | return ret; | |
1077 | } | |
1078 | ||
1079 | if (fw->size % 4) { | |
1080 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
1081 | fw->size); | |
1082 | ret = -EILSEQ; | |
1083 | goto out; | |
1084 | } | |
1085 | ||
166d504e | 1086 | vfree(wl->fw); |
f5fc0f86 | 1087 | wl->fw_len = fw->size; |
1fba4974 | 1088 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
1089 | |
1090 | if (!wl->fw) { | |
1091 | wl1271_error("could not allocate memory for the firmware"); | |
1092 | ret = -ENOMEM; | |
1093 | goto out; | |
1094 | } | |
1095 | ||
1096 | memcpy(wl->fw, fw->data, wl->fw_len); | |
f5fc0f86 LC |
1097 | ret = 0; |
1098 | ||
1099 | out: | |
1100 | release_firmware(fw); | |
1101 | ||
1102 | return ret; | |
1103 | } | |
1104 | ||
1105 | static int wl1271_fetch_nvs(struct wl1271 *wl) | |
1106 | { | |
1107 | const struct firmware *fw; | |
1108 | int ret; | |
1109 | ||
5aa42346 | 1110 | ret = request_firmware(&fw, WL12XX_NVS_NAME, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
1111 | |
1112 | if (ret < 0) { | |
1113 | wl1271_error("could not get nvs file: %d", ret); | |
1114 | return ret; | |
1115 | } | |
1116 | ||
bc765bf3 | 1117 | wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); |
f5fc0f86 LC |
1118 | |
1119 | if (!wl->nvs) { | |
1120 | wl1271_error("could not allocate memory for the nvs file"); | |
1121 | ret = -ENOMEM; | |
1122 | goto out; | |
1123 | } | |
1124 | ||
02fabb0e JO |
1125 | wl->nvs_len = fw->size; |
1126 | ||
f5fc0f86 LC |
1127 | out: |
1128 | release_firmware(fw); | |
1129 | ||
1130 | return ret; | |
1131 | } | |
1132 | ||
baacb9ae IY |
1133 | void wl12xx_queue_recovery_work(struct wl1271 *wl) |
1134 | { | |
1135 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) | |
1136 | ieee80211_queue_work(wl->hw, &wl->recovery_work); | |
1137 | } | |
1138 | ||
95dac04f IY |
1139 | size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen) |
1140 | { | |
1141 | size_t len = 0; | |
1142 | ||
1143 | /* The FW log is a length-value list, find where the log end */ | |
1144 | while (len < maxlen) { | |
1145 | if (memblock[len] == 0) | |
1146 | break; | |
1147 | if (len + memblock[len] + 1 > maxlen) | |
1148 | break; | |
1149 | len += memblock[len] + 1; | |
1150 | } | |
1151 | ||
1152 | /* Make sure we have enough room */ | |
1153 | len = min(len, (size_t)(PAGE_SIZE - wl->fwlog_size)); | |
1154 | ||
1155 | /* Fill the FW log file, consumed by the sysfs fwlog entry */ | |
1156 | memcpy(wl->fwlog + wl->fwlog_size, memblock, len); | |
1157 | wl->fwlog_size += len; | |
1158 | ||
1159 | return len; | |
1160 | } | |
1161 | ||
1162 | static void wl12xx_read_fwlog_panic(struct wl1271 *wl) | |
1163 | { | |
1164 | u32 addr; | |
1165 | u32 first_addr; | |
1166 | u8 *block; | |
1167 | ||
1168 | if ((wl->quirks & WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED) || | |
1169 | (wl->conf.fwlog.mode != WL12XX_FWLOG_ON_DEMAND) || | |
1170 | (wl->conf.fwlog.mem_blocks == 0)) | |
1171 | return; | |
1172 | ||
1173 | wl1271_info("Reading FW panic log"); | |
1174 | ||
1175 | block = kmalloc(WL12XX_HW_BLOCK_SIZE, GFP_KERNEL); | |
1176 | if (!block) | |
1177 | return; | |
1178 | ||
1179 | /* | |
1180 | * Make sure the chip is awake and the logger isn't active. | |
1181 | * This might fail if the firmware hanged. | |
1182 | */ | |
1183 | if (!wl1271_ps_elp_wakeup(wl)) | |
1184 | wl12xx_cmd_stop_fwlog(wl); | |
1185 | ||
1186 | /* Read the first memory block address */ | |
4d56ad9c EP |
1187 | wl12xx_fw_status(wl, wl->fw_status); |
1188 | first_addr = le32_to_cpu(wl->fw_status->log_start_addr); | |
95dac04f IY |
1189 | if (!first_addr) |
1190 | goto out; | |
1191 | ||
1192 | /* Traverse the memory blocks linked list */ | |
1193 | addr = first_addr; | |
1194 | do { | |
1195 | memset(block, 0, WL12XX_HW_BLOCK_SIZE); | |
1196 | wl1271_read_hwaddr(wl, addr, block, WL12XX_HW_BLOCK_SIZE, | |
1197 | false); | |
1198 | ||
1199 | /* | |
1200 | * Memory blocks are linked to one another. The first 4 bytes | |
1201 | * of each memory block hold the hardware address of the next | |
1202 | * one. The last memory block points to the first one. | |
1203 | */ | |
4d56ad9c | 1204 | addr = le32_to_cpup((__le32 *)block); |
95dac04f IY |
1205 | if (!wl12xx_copy_fwlog(wl, block + sizeof(addr), |
1206 | WL12XX_HW_BLOCK_SIZE - sizeof(addr))) | |
1207 | break; | |
1208 | } while (addr && (addr != first_addr)); | |
1209 | ||
1210 | wake_up_interruptible(&wl->fwlog_waitq); | |
1211 | ||
1212 | out: | |
1213 | kfree(block); | |
1214 | } | |
1215 | ||
52b0e7a6 JO |
1216 | static void wl1271_recovery_work(struct work_struct *work) |
1217 | { | |
1218 | struct wl1271 *wl = | |
1219 | container_of(work, struct wl1271, recovery_work); | |
1220 | ||
1221 | mutex_lock(&wl->mutex); | |
1222 | ||
1223 | if (wl->state != WL1271_STATE_ON) | |
1224 | goto out; | |
1225 | ||
baacb9ae IY |
1226 | /* Avoid a recursive recovery */ |
1227 | set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); | |
1228 | ||
95dac04f IY |
1229 | wl12xx_read_fwlog_panic(wl); |
1230 | ||
52dcaf57 AN |
1231 | wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x", |
1232 | wl->chip.fw_ver_str, wl1271_read32(wl, SCR_PAD4)); | |
52b0e7a6 | 1233 | |
2a5bff09 EP |
1234 | BUG_ON(bug_on_recovery); |
1235 | ||
b992c682 OK |
1236 | /* |
1237 | * Advance security sequence number to overcome potential progress | |
1238 | * in the firmware during recovery. This doens't hurt if the network is | |
1239 | * not encrypted. | |
1240 | */ | |
1241 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) || | |
1242 | test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) | |
1243 | wl->tx_security_seq += WL1271_TX_SQN_POST_RECOVERY_PADDING; | |
1244 | ||
7dece1c8 AN |
1245 | /* Prevent spurious TX during FW restart */ |
1246 | ieee80211_stop_queues(wl->hw); | |
1247 | ||
33c2c06c LC |
1248 | if (wl->sched_scanning) { |
1249 | ieee80211_sched_scan_stopped(wl->hw); | |
1250 | wl->sched_scanning = false; | |
1251 | } | |
1252 | ||
52b0e7a6 | 1253 | /* reboot the chipset */ |
7dece1c8 | 1254 | __wl1271_op_remove_interface(wl, false); |
baacb9ae IY |
1255 | |
1256 | clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); | |
1257 | ||
52b0e7a6 JO |
1258 | ieee80211_restart_hw(wl->hw); |
1259 | ||
7dece1c8 AN |
1260 | /* |
1261 | * Its safe to enable TX now - the queues are stopped after a request | |
1262 | * to restart the HW. | |
1263 | */ | |
1264 | ieee80211_wake_queues(wl->hw); | |
1265 | ||
52b0e7a6 JO |
1266 | out: |
1267 | mutex_unlock(&wl->mutex); | |
1268 | } | |
1269 | ||
f5fc0f86 LC |
1270 | static void wl1271_fw_wakeup(struct wl1271 *wl) |
1271 | { | |
1272 | u32 elp_reg; | |
1273 | ||
1274 | elp_reg = ELPCTRL_WAKE_UP; | |
74621417 | 1275 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
f5fc0f86 LC |
1276 | } |
1277 | ||
1278 | static int wl1271_setup(struct wl1271 *wl) | |
1279 | { | |
1280 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); | |
1281 | if (!wl->fw_status) | |
1282 | return -ENOMEM; | |
1283 | ||
1284 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); | |
1285 | if (!wl->tx_res_if) { | |
1286 | kfree(wl->fw_status); | |
1287 | return -ENOMEM; | |
1288 | } | |
1289 | ||
f5fc0f86 LC |
1290 | return 0; |
1291 | } | |
1292 | ||
1293 | static int wl1271_chip_wakeup(struct wl1271 *wl) | |
1294 | { | |
451de97a | 1295 | struct wl1271_partition_set partition; |
f5fc0f86 LC |
1296 | int ret = 0; |
1297 | ||
01ac17ec | 1298 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
2cc78ff7 OBC |
1299 | ret = wl1271_power_on(wl); |
1300 | if (ret < 0) | |
1301 | goto out; | |
f5fc0f86 | 1302 | msleep(WL1271_POWER_ON_SLEEP); |
9b280722 TP |
1303 | wl1271_io_reset(wl); |
1304 | wl1271_io_init(wl); | |
f5fc0f86 LC |
1305 | |
1306 | /* We don't need a real memory partition here, because we only want | |
1307 | * to use the registers at this point. */ | |
451de97a JO |
1308 | memset(&partition, 0, sizeof(partition)); |
1309 | partition.reg.start = REGISTERS_BASE; | |
1310 | partition.reg.size = REGISTERS_DOWN_SIZE; | |
1311 | wl1271_set_partition(wl, &partition); | |
f5fc0f86 LC |
1312 | |
1313 | /* ELP module wake up */ | |
1314 | wl1271_fw_wakeup(wl); | |
1315 | ||
1316 | /* whal_FwCtrl_BootSm() */ | |
1317 | ||
1318 | /* 0. read chip id from CHIP_ID */ | |
7b048c52 | 1319 | wl->chip.id = wl1271_read32(wl, CHIP_ID_B); |
f5fc0f86 LC |
1320 | |
1321 | /* 1. check if chip id is valid */ | |
1322 | ||
1323 | switch (wl->chip.id) { | |
1324 | case CHIP_ID_1271_PG10: | |
1325 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", | |
1326 | wl->chip.id); | |
1327 | ||
1328 | ret = wl1271_setup(wl); | |
1329 | if (ret < 0) | |
9ccd9217 | 1330 | goto out; |
f5fc0f86 LC |
1331 | break; |
1332 | case CHIP_ID_1271_PG20: | |
1333 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", | |
1334 | wl->chip.id); | |
1335 | ||
0c005048 SL |
1336 | /* |
1337 | * 'end-of-transaction flag' and 'LPD mode flag' | |
1338 | * should be set in wl127x AP mode only | |
1339 | */ | |
564f5950 | 1340 | if (wl->bss_type == BSS_TYPE_AP_BSS) |
0c005048 SL |
1341 | wl->quirks |= (WL12XX_QUIRK_END_OF_TRANSACTION | |
1342 | WL12XX_QUIRK_LPD_MODE); | |
564f5950 | 1343 | |
f5fc0f86 LC |
1344 | ret = wl1271_setup(wl); |
1345 | if (ret < 0) | |
9ccd9217 | 1346 | goto out; |
f5fc0f86 | 1347 | break; |
0830ceed SL |
1348 | case CHIP_ID_1283_PG20: |
1349 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)", | |
1350 | wl->chip.id); | |
1351 | ||
1352 | ret = wl1271_setup(wl); | |
1353 | if (ret < 0) | |
1354 | goto out; | |
0c005048 | 1355 | |
0da13da7 IY |
1356 | if (wl1271_set_block_size(wl)) |
1357 | wl->quirks |= WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT; | |
0830ceed SL |
1358 | break; |
1359 | case CHIP_ID_1283_PG10: | |
f5fc0f86 | 1360 | default: |
9ccd9217 | 1361 | wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
f5fc0f86 | 1362 | ret = -ENODEV; |
9ccd9217 | 1363 | goto out; |
f5fc0f86 LC |
1364 | } |
1365 | ||
c302b2c9 | 1366 | if (wl->fw == NULL) { |
f5fc0f86 LC |
1367 | ret = wl1271_fetch_firmware(wl); |
1368 | if (ret < 0) | |
9ccd9217 | 1369 | goto out; |
f5fc0f86 LC |
1370 | } |
1371 | ||
1372 | /* No NVS from netlink, try to get it from the filesystem */ | |
1373 | if (wl->nvs == NULL) { | |
1374 | ret = wl1271_fetch_nvs(wl); | |
1375 | if (ret < 0) | |
9ccd9217 | 1376 | goto out; |
f5fc0f86 LC |
1377 | } |
1378 | ||
1379 | out: | |
1380 | return ret; | |
1381 | } | |
1382 | ||
f5fc0f86 LC |
1383 | int wl1271_plt_start(struct wl1271 *wl) |
1384 | { | |
9ccd9217 | 1385 | int retries = WL1271_BOOT_RETRIES; |
6f07b72a | 1386 | struct wiphy *wiphy = wl->hw->wiphy; |
f5fc0f86 LC |
1387 | int ret; |
1388 | ||
1389 | mutex_lock(&wl->mutex); | |
1390 | ||
1391 | wl1271_notice("power up"); | |
1392 | ||
1393 | if (wl->state != WL1271_STATE_OFF) { | |
1394 | wl1271_error("cannot go into PLT state because not " | |
1395 | "in off state: %d", wl->state); | |
1396 | ret = -EBUSY; | |
1397 | goto out; | |
1398 | } | |
1399 | ||
166d504e AN |
1400 | wl->bss_type = BSS_TYPE_STA_BSS; |
1401 | ||
9ccd9217 JO |
1402 | while (retries) { |
1403 | retries--; | |
1404 | ret = wl1271_chip_wakeup(wl); | |
1405 | if (ret < 0) | |
1406 | goto power_off; | |
f5fc0f86 | 1407 | |
9ccd9217 JO |
1408 | ret = wl1271_boot(wl); |
1409 | if (ret < 0) | |
1410 | goto power_off; | |
eb5b28d0 | 1411 | |
9ccd9217 JO |
1412 | ret = wl1271_plt_init(wl); |
1413 | if (ret < 0) | |
1414 | goto irq_disable; | |
bd5ea18f | 1415 | |
9ccd9217 JO |
1416 | wl->state = WL1271_STATE_PLT; |
1417 | wl1271_notice("firmware booted in PLT mode (%s)", | |
4b7fac77 | 1418 | wl->chip.fw_ver_str); |
e7ddf549 | 1419 | |
6f07b72a GK |
1420 | /* update hw/fw version info in wiphy struct */ |
1421 | wiphy->hw_version = wl->chip.id; | |
1422 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, | |
1423 | sizeof(wiphy->fw_version)); | |
1424 | ||
9ccd9217 | 1425 | goto out; |
eb5b28d0 | 1426 | |
9ccd9217 | 1427 | irq_disable: |
9ccd9217 JO |
1428 | mutex_unlock(&wl->mutex); |
1429 | /* Unlocking the mutex in the middle of handling is | |
1430 | inherently unsafe. In this case we deem it safe to do, | |
1431 | because we need to let any possibly pending IRQ out of | |
1432 | the system (and while we are WL1271_STATE_OFF the IRQ | |
1433 | work function will not do anything.) Also, any other | |
1434 | possible concurrent operations will fail due to the | |
1435 | current state, hence the wl1271 struct should be safe. */ | |
a620865e IY |
1436 | wl1271_disable_interrupts(wl); |
1437 | wl1271_flush_deferred_work(wl); | |
1438 | cancel_work_sync(&wl->netstack_work); | |
9ccd9217 JO |
1439 | mutex_lock(&wl->mutex); |
1440 | power_off: | |
1441 | wl1271_power_off(wl); | |
1442 | } | |
f5fc0f86 | 1443 | |
9ccd9217 JO |
1444 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
1445 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
1446 | out: |
1447 | mutex_unlock(&wl->mutex); | |
1448 | ||
1449 | return ret; | |
1450 | } | |
1451 | ||
4623ec7d | 1452 | static int __wl1271_plt_stop(struct wl1271 *wl) |
f5fc0f86 LC |
1453 | { |
1454 | int ret = 0; | |
1455 | ||
f5fc0f86 LC |
1456 | wl1271_notice("power down"); |
1457 | ||
1458 | if (wl->state != WL1271_STATE_PLT) { | |
1459 | wl1271_error("cannot power down because not in PLT " | |
1460 | "state: %d", wl->state); | |
1461 | ret = -EBUSY; | |
1462 | goto out; | |
1463 | } | |
1464 | ||
f5fc0f86 LC |
1465 | wl1271_power_off(wl); |
1466 | ||
1467 | wl->state = WL1271_STATE_OFF; | |
bd5ea18f | 1468 | wl->rx_counter = 0; |
f5fc0f86 | 1469 | |
f5fc0f86 | 1470 | mutex_unlock(&wl->mutex); |
a620865e IY |
1471 | wl1271_disable_interrupts(wl); |
1472 | wl1271_flush_deferred_work(wl); | |
1473 | cancel_work_sync(&wl->netstack_work); | |
52b0e7a6 | 1474 | cancel_work_sync(&wl->recovery_work); |
4ae3fa87 JO |
1475 | mutex_lock(&wl->mutex); |
1476 | out: | |
1477 | return ret; | |
1478 | } | |
1479 | ||
1480 | int wl1271_plt_stop(struct wl1271 *wl) | |
1481 | { | |
1482 | int ret; | |
8c7f4f31 | 1483 | |
4ae3fa87 JO |
1484 | mutex_lock(&wl->mutex); |
1485 | ret = __wl1271_plt_stop(wl); | |
1486 | mutex_unlock(&wl->mutex); | |
f5fc0f86 LC |
1487 | return ret; |
1488 | } | |
1489 | ||
7bb45683 | 1490 | static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
f5fc0f86 LC |
1491 | { |
1492 | struct wl1271 *wl = hw->priv; | |
830fb67b | 1493 | unsigned long flags; |
708bb3cf | 1494 | int q, mapping; |
a8c0ddb5 | 1495 | u8 hlid = 0; |
f5fc0f86 | 1496 | |
708bb3cf AN |
1497 | mapping = skb_get_queue_mapping(skb); |
1498 | q = wl1271_tx_get_queue(mapping); | |
b07d4037 IY |
1499 | |
1500 | if (wl->bss_type == BSS_TYPE_AP_BSS) | |
f4df1bd5 | 1501 | hlid = wl12xx_tx_get_hlid_ap(wl, skb); |
b07d4037 | 1502 | |
830fb67b | 1503 | spin_lock_irqsave(&wl->wl_lock, flags); |
b07d4037 | 1504 | |
830fb67b | 1505 | /* queue the packet */ |
a8c0ddb5 | 1506 | if (wl->bss_type == BSS_TYPE_AP_BSS) { |
04216da3 AN |
1507 | if (!wl1271_is_active_sta(wl, hlid)) { |
1508 | wl1271_debug(DEBUG_TX, "DROP skb hlid %d q %d", | |
1509 | hlid, q); | |
1510 | dev_kfree_skb(skb); | |
1511 | goto out; | |
1512 | } | |
1513 | ||
a8c0ddb5 AN |
1514 | wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d", hlid, q); |
1515 | skb_queue_tail(&wl->links[hlid].tx_queue[q], skb); | |
1516 | } else { | |
1517 | skb_queue_tail(&wl->tx_queue[q], skb); | |
1518 | } | |
f5fc0f86 | 1519 | |
04b4d69c AN |
1520 | wl->tx_queue_count[q]++; |
1521 | ||
1522 | /* | |
1523 | * The workqueue is slow to process the tx_queue and we need stop | |
1524 | * the queue here, otherwise the queue will get too long. | |
1525 | */ | |
1526 | if (wl->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK) { | |
1527 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q); | |
1528 | ieee80211_stop_queue(wl->hw, mapping); | |
1529 | set_bit(q, &wl->stopped_queues_map); | |
1530 | } | |
1531 | ||
f5fc0f86 LC |
1532 | /* |
1533 | * The chip specific setup must run before the first TX packet - | |
1534 | * before that, the tx_work will not be initialized! | |
1535 | */ | |
1536 | ||
b07d4037 IY |
1537 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
1538 | !test_bit(WL1271_FLAG_TX_PENDING, &wl->flags)) | |
a522550a | 1539 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
b07d4037 | 1540 | |
04216da3 | 1541 | out: |
b07d4037 | 1542 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
f5fc0f86 LC |
1543 | } |
1544 | ||
ae47c45f SL |
1545 | int wl1271_tx_dummy_packet(struct wl1271 *wl) |
1546 | { | |
990f5de7 | 1547 | unsigned long flags; |
14623787 AN |
1548 | int q; |
1549 | ||
1550 | /* no need to queue a new dummy packet if one is already pending */ | |
1551 | if (test_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) | |
1552 | return 0; | |
1553 | ||
1554 | q = wl1271_tx_get_queue(skb_get_queue_mapping(wl->dummy_packet)); | |
990f5de7 IY |
1555 | |
1556 | spin_lock_irqsave(&wl->wl_lock, flags); | |
1557 | set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags); | |
f1a46384 | 1558 | wl->tx_queue_count[q]++; |
990f5de7 IY |
1559 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
1560 | ||
1561 | /* The FW is low on RX memory blocks, so send the dummy packet asap */ | |
1562 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) | |
1563 | wl1271_tx_work_locked(wl); | |
1564 | ||
1565 | /* | |
1566 | * If the FW TX is busy, TX work will be scheduled by the threaded | |
1567 | * interrupt handler function | |
1568 | */ | |
1569 | return 0; | |
1570 | } | |
1571 | ||
1572 | /* | |
1573 | * The size of the dummy packet should be at least 1400 bytes. However, in | |
1574 | * order to minimize the number of bus transactions, aligning it to 512 bytes | |
1575 | * boundaries could be beneficial, performance wise | |
1576 | */ | |
1577 | #define TOTAL_TX_DUMMY_PACKET_SIZE (ALIGN(1400, 512)) | |
1578 | ||
cf27d867 | 1579 | static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl) |
990f5de7 IY |
1580 | { |
1581 | struct sk_buff *skb; | |
ae47c45f | 1582 | struct ieee80211_hdr_3addr *hdr; |
990f5de7 IY |
1583 | unsigned int dummy_packet_size; |
1584 | ||
1585 | dummy_packet_size = TOTAL_TX_DUMMY_PACKET_SIZE - | |
1586 | sizeof(struct wl1271_tx_hw_descr) - sizeof(*hdr); | |
ae47c45f | 1587 | |
990f5de7 | 1588 | skb = dev_alloc_skb(TOTAL_TX_DUMMY_PACKET_SIZE); |
ae47c45f | 1589 | if (!skb) { |
990f5de7 IY |
1590 | wl1271_warning("Failed to allocate a dummy packet skb"); |
1591 | return NULL; | |
ae47c45f SL |
1592 | } |
1593 | ||
1594 | skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr)); | |
1595 | ||
1596 | hdr = (struct ieee80211_hdr_3addr *) skb_put(skb, sizeof(*hdr)); | |
1597 | memset(hdr, 0, sizeof(*hdr)); | |
1598 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
990f5de7 IY |
1599 | IEEE80211_STYPE_NULLFUNC | |
1600 | IEEE80211_FCTL_TODS); | |
ae47c45f | 1601 | |
990f5de7 | 1602 | memset(skb_put(skb, dummy_packet_size), 0, dummy_packet_size); |
ae47c45f | 1603 | |
18b92ffa LC |
1604 | /* Dummy packets require the TID to be management */ |
1605 | skb->priority = WL1271_TID_MGMT; | |
ae47c45f | 1606 | |
990f5de7 | 1607 | /* Initialize all fields that might be used */ |
86c438f4 | 1608 | skb_set_queue_mapping(skb, 0); |
990f5de7 | 1609 | memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info)); |
ae47c45f | 1610 | |
990f5de7 | 1611 | return skb; |
ae47c45f SL |
1612 | } |
1613 | ||
990f5de7 | 1614 | |
c2c192ac JO |
1615 | static struct notifier_block wl1271_dev_notifier = { |
1616 | .notifier_call = wl1271_dev_notify, | |
1617 | }; | |
1618 | ||
f634a4e7 | 1619 | #ifdef CONFIG_PM |
8a7cf3fe | 1620 | static int wl1271_configure_suspend_sta(struct wl1271 *wl) |
9439064c | 1621 | { |
e85d1629 | 1622 | int ret = 0; |
9439064c | 1623 | |
9439064c EP |
1624 | mutex_lock(&wl->mutex); |
1625 | ||
e85d1629 EP |
1626 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
1627 | goto out_unlock; | |
1628 | ||
9439064c EP |
1629 | ret = wl1271_ps_elp_wakeup(wl); |
1630 | if (ret < 0) | |
1631 | goto out_unlock; | |
1632 | ||
1633 | /* enter psm if needed*/ | |
1634 | if (!test_bit(WL1271_FLAG_PSM, &wl->flags)) { | |
1635 | DECLARE_COMPLETION_ONSTACK(compl); | |
1636 | ||
1637 | wl->ps_compl = &compl; | |
1638 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, | |
1639 | wl->basic_rate, true); | |
1640 | if (ret < 0) | |
1641 | goto out_sleep; | |
1642 | ||
1643 | /* we must unlock here so we will be able to get events */ | |
1644 | wl1271_ps_elp_sleep(wl); | |
1645 | mutex_unlock(&wl->mutex); | |
1646 | ||
1647 | ret = wait_for_completion_timeout( | |
1648 | &compl, msecs_to_jiffies(WL1271_PS_COMPLETE_TIMEOUT)); | |
1649 | if (ret <= 0) { | |
1650 | wl1271_warning("couldn't enter ps mode!"); | |
1651 | ret = -EBUSY; | |
1652 | goto out; | |
1653 | } | |
1654 | ||
1655 | /* take mutex again, and wakeup */ | |
1656 | mutex_lock(&wl->mutex); | |
1657 | ||
1658 | ret = wl1271_ps_elp_wakeup(wl); | |
1659 | if (ret < 0) | |
1660 | goto out_unlock; | |
1661 | } | |
1662 | out_sleep: | |
1663 | wl1271_ps_elp_sleep(wl); | |
1664 | out_unlock: | |
1665 | mutex_unlock(&wl->mutex); | |
1666 | out: | |
1667 | return ret; | |
1668 | ||
1669 | } | |
1670 | ||
8a7cf3fe EP |
1671 | static int wl1271_configure_suspend_ap(struct wl1271 *wl) |
1672 | { | |
e85d1629 | 1673 | int ret = 0; |
8a7cf3fe EP |
1674 | |
1675 | mutex_lock(&wl->mutex); | |
1676 | ||
e85d1629 EP |
1677 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) |
1678 | goto out_unlock; | |
1679 | ||
8a7cf3fe EP |
1680 | ret = wl1271_ps_elp_wakeup(wl); |
1681 | if (ret < 0) | |
1682 | goto out_unlock; | |
1683 | ||
f42bd2cb | 1684 | ret = wl1271_acx_beacon_filter_opt(wl, true); |
8a7cf3fe EP |
1685 | |
1686 | wl1271_ps_elp_sleep(wl); | |
1687 | out_unlock: | |
1688 | mutex_unlock(&wl->mutex); | |
1689 | return ret; | |
1690 | ||
1691 | } | |
1692 | ||
1693 | static int wl1271_configure_suspend(struct wl1271 *wl) | |
1694 | { | |
1695 | if (wl->bss_type == BSS_TYPE_STA_BSS) | |
1696 | return wl1271_configure_suspend_sta(wl); | |
1697 | if (wl->bss_type == BSS_TYPE_AP_BSS) | |
1698 | return wl1271_configure_suspend_ap(wl); | |
1699 | return 0; | |
1700 | } | |
1701 | ||
9439064c EP |
1702 | static void wl1271_configure_resume(struct wl1271 *wl) |
1703 | { | |
1704 | int ret; | |
8a7cf3fe EP |
1705 | bool is_sta = wl->bss_type == BSS_TYPE_STA_BSS; |
1706 | bool is_ap = wl->bss_type == BSS_TYPE_AP_BSS; | |
9439064c | 1707 | |
8a7cf3fe | 1708 | if (!is_sta && !is_ap) |
9439064c EP |
1709 | return; |
1710 | ||
1711 | mutex_lock(&wl->mutex); | |
1712 | ret = wl1271_ps_elp_wakeup(wl); | |
1713 | if (ret < 0) | |
1714 | goto out; | |
1715 | ||
8a7cf3fe EP |
1716 | if (is_sta) { |
1717 | /* exit psm if it wasn't configured */ | |
1718 | if (!test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) | |
1719 | wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, | |
1720 | wl->basic_rate, true); | |
1721 | } else if (is_ap) { | |
f42bd2cb | 1722 | wl1271_acx_beacon_filter_opt(wl, false); |
8a7cf3fe | 1723 | } |
9439064c EP |
1724 | |
1725 | wl1271_ps_elp_sleep(wl); | |
1726 | out: | |
1727 | mutex_unlock(&wl->mutex); | |
1728 | } | |
1729 | ||
402e4861 EP |
1730 | static int wl1271_op_suspend(struct ieee80211_hw *hw, |
1731 | struct cfg80211_wowlan *wow) | |
1732 | { | |
1733 | struct wl1271 *wl = hw->priv; | |
4a859df8 EP |
1734 | int ret; |
1735 | ||
402e4861 | 1736 | wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow); |
4a859df8 | 1737 | WARN_ON(!wow || !wow->any); |
f44e5868 | 1738 | |
4a859df8 EP |
1739 | wl->wow_enabled = true; |
1740 | ret = wl1271_configure_suspend(wl); | |
1741 | if (ret < 0) { | |
1742 | wl1271_warning("couldn't prepare device to suspend"); | |
1743 | return ret; | |
1744 | } | |
1745 | /* flush any remaining work */ | |
1746 | wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); | |
f44e5868 | 1747 | |
4a859df8 EP |
1748 | /* |
1749 | * disable and re-enable interrupts in order to flush | |
1750 | * the threaded_irq | |
1751 | */ | |
1752 | wl1271_disable_interrupts(wl); | |
1753 | ||
1754 | /* | |
1755 | * set suspended flag to avoid triggering a new threaded_irq | |
1756 | * work. no need for spinlock as interrupts are disabled. | |
1757 | */ | |
1758 | set_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1759 | ||
1760 | wl1271_enable_interrupts(wl); | |
1761 | flush_work(&wl->tx_work); | |
1762 | flush_delayed_work(&wl->pspoll_work); | |
1763 | flush_delayed_work(&wl->elp_work); | |
f44e5868 | 1764 | |
402e4861 EP |
1765 | return 0; |
1766 | } | |
1767 | ||
1768 | static int wl1271_op_resume(struct ieee80211_hw *hw) | |
1769 | { | |
1770 | struct wl1271 *wl = hw->priv; | |
4a859df8 EP |
1771 | unsigned long flags; |
1772 | bool run_irq_work = false; | |
1773 | ||
402e4861 EP |
1774 | wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d", |
1775 | wl->wow_enabled); | |
4a859df8 | 1776 | WARN_ON(!wl->wow_enabled); |
f44e5868 EP |
1777 | |
1778 | /* | |
1779 | * re-enable irq_work enqueuing, and call irq_work directly if | |
1780 | * there is a pending work. | |
1781 | */ | |
4a859df8 EP |
1782 | spin_lock_irqsave(&wl->wl_lock, flags); |
1783 | clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1784 | if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags)) | |
1785 | run_irq_work = true; | |
1786 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
9439064c | 1787 | |
4a859df8 EP |
1788 | if (run_irq_work) { |
1789 | wl1271_debug(DEBUG_MAC80211, | |
1790 | "run postponed irq_work directly"); | |
1791 | wl1271_irq(0, wl); | |
1792 | wl1271_enable_interrupts(wl); | |
f44e5868 | 1793 | } |
4a859df8 | 1794 | wl1271_configure_resume(wl); |
ff91afc9 | 1795 | wl->wow_enabled = false; |
f44e5868 | 1796 | |
402e4861 EP |
1797 | return 0; |
1798 | } | |
f634a4e7 | 1799 | #endif |
402e4861 | 1800 | |
f5fc0f86 | 1801 | static int wl1271_op_start(struct ieee80211_hw *hw) |
1b72aecd JO |
1802 | { |
1803 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
1804 | ||
1805 | /* | |
1806 | * We have to delay the booting of the hardware because | |
1807 | * we need to know the local MAC address before downloading and | |
1808 | * initializing the firmware. The MAC address cannot be changed | |
1809 | * after boot, and without the proper MAC address, the firmware | |
1810 | * will not function properly. | |
1811 | * | |
1812 | * The MAC address is first known when the corresponding interface | |
1813 | * is added. That is where we will initialize the hardware. | |
1814 | */ | |
1815 | ||
1816 | return 0; | |
1817 | } | |
1818 | ||
1819 | static void wl1271_op_stop(struct ieee80211_hw *hw) | |
1820 | { | |
1821 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
1822 | } | |
1823 | ||
b78b47eb EP |
1824 | static u8 wl12xx_get_role_type(struct wl1271 *wl) |
1825 | { | |
1826 | switch (wl->bss_type) { | |
1827 | case BSS_TYPE_AP_BSS: | |
1828 | return WL1271_ROLE_AP; | |
1829 | ||
1830 | case BSS_TYPE_STA_BSS: | |
1831 | return WL1271_ROLE_STA; | |
1832 | ||
227e81e1 EP |
1833 | case BSS_TYPE_IBSS: |
1834 | return WL1271_ROLE_IBSS; | |
1835 | ||
b78b47eb EP |
1836 | default: |
1837 | wl1271_error("invalid bss_type: %d", wl->bss_type); | |
1838 | } | |
1839 | return WL12XX_INVALID_ROLE_TYPE; | |
1840 | } | |
1841 | ||
1b72aecd JO |
1842 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, |
1843 | struct ieee80211_vif *vif) | |
f5fc0f86 LC |
1844 | { |
1845 | struct wl1271 *wl = hw->priv; | |
ac01e948 | 1846 | struct wiphy *wiphy = hw->wiphy; |
9ccd9217 | 1847 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 | 1848 | int ret = 0; |
b78b47eb | 1849 | u8 role_type; |
71125abd | 1850 | bool booted = false; |
f5fc0f86 | 1851 | |
1b72aecd JO |
1852 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
1853 | vif->type, vif->addr); | |
f5fc0f86 LC |
1854 | |
1855 | mutex_lock(&wl->mutex); | |
1b72aecd | 1856 | if (wl->vif) { |
71125abd EP |
1857 | wl1271_debug(DEBUG_MAC80211, |
1858 | "multiple vifs are not supported yet"); | |
1b72aecd JO |
1859 | ret = -EBUSY; |
1860 | goto out; | |
1861 | } | |
1862 | ||
13026dec JO |
1863 | /* |
1864 | * in some very corner case HW recovery scenarios its possible to | |
1865 | * get here before __wl1271_op_remove_interface is complete, so | |
1866 | * opt out if that is the case. | |
1867 | */ | |
1868 | if (test_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags)) { | |
1869 | ret = -EBUSY; | |
1870 | goto out; | |
1871 | } | |
1872 | ||
1b72aecd JO |
1873 | switch (vif->type) { |
1874 | case NL80211_IFTYPE_STATION: | |
1875 | wl->bss_type = BSS_TYPE_STA_BSS; | |
5da11dcd | 1876 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
1b72aecd JO |
1877 | break; |
1878 | case NL80211_IFTYPE_ADHOC: | |
1879 | wl->bss_type = BSS_TYPE_IBSS; | |
5da11dcd | 1880 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
1b72aecd | 1881 | break; |
038d925b AN |
1882 | case NL80211_IFTYPE_AP: |
1883 | wl->bss_type = BSS_TYPE_AP_BSS; | |
1884 | break; | |
1b72aecd JO |
1885 | default: |
1886 | ret = -EOPNOTSUPP; | |
1887 | goto out; | |
1888 | } | |
1889 | ||
b78b47eb EP |
1890 | role_type = wl12xx_get_role_type(wl); |
1891 | if (role_type == WL12XX_INVALID_ROLE_TYPE) { | |
1892 | ret = -EINVAL; | |
1893 | goto out; | |
1894 | } | |
1b72aecd | 1895 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); |
f5fc0f86 LC |
1896 | |
1897 | if (wl->state != WL1271_STATE_OFF) { | |
1898 | wl1271_error("cannot start because not in off state: %d", | |
1899 | wl->state); | |
1900 | ret = -EBUSY; | |
1901 | goto out; | |
1902 | } | |
1903 | ||
9ccd9217 JO |
1904 | while (retries) { |
1905 | retries--; | |
1906 | ret = wl1271_chip_wakeup(wl); | |
1907 | if (ret < 0) | |
1908 | goto power_off; | |
f5fc0f86 | 1909 | |
9ccd9217 JO |
1910 | ret = wl1271_boot(wl); |
1911 | if (ret < 0) | |
1912 | goto power_off; | |
f5fc0f86 | 1913 | |
227e81e1 EP |
1914 | if (wl->bss_type == BSS_TYPE_STA_BSS || |
1915 | wl->bss_type == BSS_TYPE_IBSS) { | |
04e8079c EP |
1916 | /* |
1917 | * The device role is a special role used for | |
1918 | * rx and tx frames prior to association (as | |
1919 | * the STA role can get packets only from | |
1920 | * its associated bssid) | |
1921 | */ | |
1922 | ret = wl12xx_cmd_role_enable(wl, | |
1923 | WL1271_ROLE_DEVICE, | |
1924 | &wl->dev_role_id); | |
1925 | if (ret < 0) | |
1926 | goto irq_disable; | |
1927 | } | |
1928 | ||
b78b47eb EP |
1929 | ret = wl12xx_cmd_role_enable(wl, role_type, &wl->role_id); |
1930 | if (ret < 0) | |
1931 | goto irq_disable; | |
1932 | ||
9ccd9217 JO |
1933 | ret = wl1271_hw_init(wl); |
1934 | if (ret < 0) | |
1935 | goto irq_disable; | |
f5fc0f86 | 1936 | |
71125abd EP |
1937 | booted = true; |
1938 | break; | |
eb5b28d0 | 1939 | |
9ccd9217 | 1940 | irq_disable: |
9ccd9217 JO |
1941 | mutex_unlock(&wl->mutex); |
1942 | /* Unlocking the mutex in the middle of handling is | |
1943 | inherently unsafe. In this case we deem it safe to do, | |
1944 | because we need to let any possibly pending IRQ out of | |
1945 | the system (and while we are WL1271_STATE_OFF the IRQ | |
1946 | work function will not do anything.) Also, any other | |
1947 | possible concurrent operations will fail due to the | |
1948 | current state, hence the wl1271 struct should be safe. */ | |
a620865e IY |
1949 | wl1271_disable_interrupts(wl); |
1950 | wl1271_flush_deferred_work(wl); | |
1951 | cancel_work_sync(&wl->netstack_work); | |
9ccd9217 JO |
1952 | mutex_lock(&wl->mutex); |
1953 | power_off: | |
1954 | wl1271_power_off(wl); | |
1955 | } | |
eb5b28d0 | 1956 | |
71125abd EP |
1957 | if (!booted) { |
1958 | wl1271_error("firmware boot failed despite %d retries", | |
1959 | WL1271_BOOT_RETRIES); | |
1960 | goto out; | |
1961 | } | |
1962 | ||
1963 | wl->vif = vif; | |
1964 | wl->state = WL1271_STATE_ON; | |
13026dec | 1965 | set_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags); |
4b7fac77 | 1966 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver_str); |
71125abd EP |
1967 | |
1968 | /* update hw/fw version info in wiphy struct */ | |
1969 | wiphy->hw_version = wl->chip.id; | |
4b7fac77 | 1970 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
71125abd EP |
1971 | sizeof(wiphy->fw_version)); |
1972 | ||
fb6a6819 LC |
1973 | /* |
1974 | * Now we know if 11a is supported (info from the NVS), so disable | |
1975 | * 11a channels if not supported | |
1976 | */ | |
1977 | if (!wl->enable_11a) | |
1978 | wiphy->bands[IEEE80211_BAND_5GHZ]->n_channels = 0; | |
1979 | ||
1980 | wl1271_debug(DEBUG_MAC80211, "11a is %ssupported", | |
1981 | wl->enable_11a ? "" : "not "); | |
1982 | ||
eb5b28d0 | 1983 | out: |
f5fc0f86 LC |
1984 | mutex_unlock(&wl->mutex); |
1985 | ||
f9f774c1 | 1986 | mutex_lock(&wl_list_mutex); |
eb887dfd | 1987 | if (!ret) |
01c09162 | 1988 | list_add(&wl->list, &wl_list); |
f9f774c1 | 1989 | mutex_unlock(&wl_list_mutex); |
01c09162 | 1990 | |
f5fc0f86 LC |
1991 | return ret; |
1992 | } | |
1993 | ||
7dece1c8 AN |
1994 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
1995 | bool reset_tx_queues) | |
f5fc0f86 | 1996 | { |
bf54e301 | 1997 | int ret, i; |
f5fc0f86 | 1998 | |
1b72aecd | 1999 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
f5fc0f86 | 2000 | |
13026dec JO |
2001 | /* because of hardware recovery, we may get here twice */ |
2002 | if (wl->state != WL1271_STATE_ON) | |
2003 | return; | |
2004 | ||
1b72aecd | 2005 | wl1271_info("down"); |
f5fc0f86 | 2006 | |
f9f774c1 | 2007 | mutex_lock(&wl_list_mutex); |
01c09162 | 2008 | list_del(&wl->list); |
f9f774c1 | 2009 | mutex_unlock(&wl_list_mutex); |
01c09162 | 2010 | |
8d2ef7bd | 2011 | /* enable dyn ps just in case (if left on due to fw crash etc) */ |
9a547bf9 | 2012 | if (wl->bss_type == BSS_TYPE_STA_BSS) |
f532be6d | 2013 | ieee80211_enable_dyn_ps(wl->vif); |
8d2ef7bd | 2014 | |
08688d6b | 2015 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { |
08688d6b | 2016 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
4a31c11c | 2017 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
b739a42c | 2018 | wl->scan.req = NULL; |
76a029fb | 2019 | ieee80211_scan_completed(wl->hw, true); |
f5fc0f86 LC |
2020 | } |
2021 | ||
b78b47eb EP |
2022 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { |
2023 | /* disable active roles */ | |
2024 | ret = wl1271_ps_elp_wakeup(wl); | |
2025 | if (ret < 0) | |
2026 | goto deinit; | |
2027 | ||
04e8079c EP |
2028 | if (wl->bss_type == BSS_TYPE_STA_BSS) { |
2029 | ret = wl12xx_cmd_role_disable(wl, &wl->dev_role_id); | |
2030 | if (ret < 0) | |
2031 | goto deinit; | |
2032 | } | |
2033 | ||
b78b47eb EP |
2034 | ret = wl12xx_cmd_role_disable(wl, &wl->role_id); |
2035 | if (ret < 0) | |
2036 | goto deinit; | |
2037 | ||
2038 | wl1271_ps_elp_sleep(wl); | |
2039 | } | |
2040 | deinit: | |
e51ae9be | 2041 | /* clear all hlids (except system_hlid) */ |
b78b47eb | 2042 | wl->sta_hlid = WL12XX_INVALID_LINK_ID; |
04e8079c | 2043 | wl->dev_hlid = WL12XX_INVALID_LINK_ID; |
e51ae9be AN |
2044 | wl->ap_bcast_hlid = WL12XX_INVALID_LINK_ID; |
2045 | wl->ap_global_hlid = WL12XX_INVALID_LINK_ID; | |
b78b47eb | 2046 | |
13026dec JO |
2047 | /* |
2048 | * this must be before the cancel_work calls below, so that the work | |
2049 | * functions don't perform further work. | |
2050 | */ | |
f5fc0f86 LC |
2051 | wl->state = WL1271_STATE_OFF; |
2052 | ||
f5fc0f86 LC |
2053 | mutex_unlock(&wl->mutex); |
2054 | ||
a620865e IY |
2055 | wl1271_disable_interrupts(wl); |
2056 | wl1271_flush_deferred_work(wl); | |
78abd320 | 2057 | cancel_delayed_work_sync(&wl->scan_complete_work); |
a620865e | 2058 | cancel_work_sync(&wl->netstack_work); |
f5fc0f86 | 2059 | cancel_work_sync(&wl->tx_work); |
77ddaa10 EP |
2060 | del_timer_sync(&wl->rx_streaming_timer); |
2061 | cancel_work_sync(&wl->rx_streaming_enable_work); | |
2062 | cancel_work_sync(&wl->rx_streaming_disable_work); | |
90494a90 | 2063 | cancel_delayed_work_sync(&wl->pspoll_work); |
8c7f4f31 | 2064 | cancel_delayed_work_sync(&wl->elp_work); |
f5fc0f86 LC |
2065 | |
2066 | mutex_lock(&wl->mutex); | |
2067 | ||
2068 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
7dece1c8 | 2069 | wl1271_tx_reset(wl, reset_tx_queues); |
f5fc0f86 LC |
2070 | wl1271_power_off(wl); |
2071 | ||
2072 | memset(wl->bssid, 0, ETH_ALEN); | |
3b40c040 | 2073 | memset(wl->ssid, 0, IEEE80211_MAX_SSID_LEN + 1); |
f5fc0f86 | 2074 | wl->ssid_len = 0; |
f5fc0f86 | 2075 | wl->bss_type = MAX_BSS_TYPE; |
5da11dcd | 2076 | wl->set_bss_type = MAX_BSS_TYPE; |
8a5a37a6 | 2077 | wl->band = IEEE80211_BAND_2GHZ; |
f5fc0f86 LC |
2078 | |
2079 | wl->rx_counter = 0; | |
19ad0715 | 2080 | wl->psm_entry_retry = 0; |
f5fc0f86 LC |
2081 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
2082 | wl->tx_blocks_available = 0; | |
7bb5d6ce | 2083 | wl->tx_allocated_blocks = 0; |
f5fc0f86 LC |
2084 | wl->tx_results_count = 0; |
2085 | wl->tx_packets_count = 0; | |
2086 | wl->time_offset = 0; | |
2087 | wl->session_counter = 0; | |
830fb67b | 2088 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
1b72aecd | 2089 | wl->vif = NULL; |
e9eb8cbe | 2090 | wl->tx_spare_blocks = TX_HW_BLOCK_SPARE_DEFAULT; |
7f179b46 | 2091 | wl1271_free_ap_keys(wl); |
f84f7d78 | 2092 | memset(wl->ap_hlid_map, 0, sizeof(wl->ap_hlid_map)); |
b622d992 AN |
2093 | wl->ap_fw_ps_map = 0; |
2094 | wl->ap_ps_map = 0; | |
33c2c06c | 2095 | wl->sched_scanning = false; |
7f097988 | 2096 | wl->role_id = WL12XX_INVALID_ROLE_ID; |
04e8079c | 2097 | wl->dev_role_id = WL12XX_INVALID_ROLE_ID; |
c690ec81 EP |
2098 | memset(wl->roles_map, 0, sizeof(wl->roles_map)); |
2099 | memset(wl->links_map, 0, sizeof(wl->links_map)); | |
251c177f | 2100 | memset(wl->roc_map, 0, sizeof(wl->roc_map)); |
da03209e | 2101 | wl->active_sta_count = 0; |
d6e19d13 | 2102 | |
f4df1bd5 EP |
2103 | /* The system link is always allocated */ |
2104 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); | |
2105 | ||
13026dec JO |
2106 | /* |
2107 | * this is performed after the cancel_work calls and the associated | |
2108 | * mutex_lock, so that wl1271_op_add_interface does not accidentally | |
2109 | * get executed before all these vars have been reset. | |
2110 | */ | |
2111 | wl->flags = 0; | |
2112 | ||
4d56ad9c | 2113 | wl->tx_blocks_freed = 0; |
f5fc0f86 | 2114 | |
742246f8 | 2115 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
bf54e301 | 2116 | wl->tx_pkts_freed[i] = 0; |
742246f8 AN |
2117 | wl->tx_allocated_pkts[i] = 0; |
2118 | } | |
bf54e301 | 2119 | |
f5fc0f86 | 2120 | wl1271_debugfs_reset(wl); |
bd9dc49c JO |
2121 | |
2122 | kfree(wl->fw_status); | |
2123 | wl->fw_status = NULL; | |
2124 | kfree(wl->tx_res_if); | |
2125 | wl->tx_res_if = NULL; | |
2126 | kfree(wl->target_mem_map); | |
2127 | wl->target_mem_map = NULL; | |
52a2a375 | 2128 | } |
bd9dc49c | 2129 | |
52a2a375 JO |
2130 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
2131 | struct ieee80211_vif *vif) | |
2132 | { | |
2133 | struct wl1271 *wl = hw->priv; | |
2134 | ||
2135 | mutex_lock(&wl->mutex); | |
67353299 JO |
2136 | /* |
2137 | * wl->vif can be null here if someone shuts down the interface | |
2138 | * just when hardware recovery has been started. | |
2139 | */ | |
2140 | if (wl->vif) { | |
2141 | WARN_ON(wl->vif != vif); | |
7dece1c8 | 2142 | __wl1271_op_remove_interface(wl, true); |
67353299 | 2143 | } |
52b0e7a6 | 2144 | |
67353299 | 2145 | mutex_unlock(&wl->mutex); |
52b0e7a6 | 2146 | cancel_work_sync(&wl->recovery_work); |
f5fc0f86 LC |
2147 | } |
2148 | ||
69e5434c | 2149 | static int wl1271_join(struct wl1271 *wl, bool set_assoc) |
82429d32 JO |
2150 | { |
2151 | int ret; | |
227e81e1 | 2152 | bool is_ibss = (wl->bss_type == BSS_TYPE_IBSS); |
82429d32 | 2153 | |
69e5434c JO |
2154 | /* |
2155 | * One of the side effects of the JOIN command is that is clears | |
2156 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated | |
2157 | * to a WPA/WPA2 access point will therefore kill the data-path. | |
8bf69aae OBC |
2158 | * Currently the only valid scenario for JOIN during association |
2159 | * is on roaming, in which case we will also be given new keys. | |
2160 | * Keep the below message for now, unless it starts bothering | |
2161 | * users who really like to roam a lot :) | |
69e5434c JO |
2162 | */ |
2163 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
2164 | wl1271_info("JOIN while associated."); | |
2165 | ||
2166 | if (set_assoc) | |
2167 | set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); | |
2168 | ||
227e81e1 EP |
2169 | if (is_ibss) |
2170 | ret = wl12xx_cmd_role_start_ibss(wl); | |
2171 | else | |
2172 | ret = wl12xx_cmd_role_start_sta(wl); | |
82429d32 JO |
2173 | if (ret < 0) |
2174 | goto out; | |
2175 | ||
82429d32 JO |
2176 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
2177 | goto out; | |
2178 | ||
2179 | /* | |
2180 | * The join command disable the keep-alive mode, shut down its process, | |
2181 | * and also clear the template config, so we need to reset it all after | |
2182 | * the join. The acx_aid starts the keep-alive process, and the order | |
2183 | * of the commands below is relevant. | |
2184 | */ | |
2185 | ret = wl1271_acx_keep_alive_mode(wl, true); | |
2186 | if (ret < 0) | |
2187 | goto out; | |
2188 | ||
2189 | ret = wl1271_acx_aid(wl, wl->aid); | |
2190 | if (ret < 0) | |
2191 | goto out; | |
2192 | ||
2193 | ret = wl1271_cmd_build_klv_null_data(wl); | |
2194 | if (ret < 0) | |
2195 | goto out; | |
2196 | ||
2197 | ret = wl1271_acx_keep_alive_config(wl, CMD_TEMPL_KLV_IDX_NULL_DATA, | |
2198 | ACX_KEEP_ALIVE_TPL_VALID); | |
2199 | if (ret < 0) | |
2200 | goto out; | |
2201 | ||
2202 | out: | |
2203 | return ret; | |
2204 | } | |
2205 | ||
2206 | static int wl1271_unjoin(struct wl1271 *wl) | |
c7f43e45 LC |
2207 | { |
2208 | int ret; | |
2209 | ||
2210 | /* to stop listening to a channel, we disconnect */ | |
c690ec81 | 2211 | ret = wl12xx_cmd_role_stop_sta(wl); |
c7f43e45 LC |
2212 | if (ret < 0) |
2213 | goto out; | |
2214 | ||
c7f43e45 | 2215 | memset(wl->bssid, 0, ETH_ALEN); |
14b228a0 | 2216 | |
b992c682 OK |
2217 | /* reset TX security counters on a clean disconnect */ |
2218 | wl->tx_security_last_seq_lsb = 0; | |
2219 | wl->tx_security_seq = 0; | |
2220 | ||
c7f43e45 LC |
2221 | out: |
2222 | return ret; | |
2223 | } | |
2224 | ||
ebba60c6 JO |
2225 | static void wl1271_set_band_rate(struct wl1271 *wl) |
2226 | { | |
53835a2d | 2227 | if (wl->band == IEEE80211_BAND_2GHZ) { |
ebba60c6 | 2228 | wl->basic_rate_set = wl->conf.tx.basic_rate; |
53835a2d EP |
2229 | wl->rate_set = wl->conf.tx.basic_rate; |
2230 | } else { | |
ebba60c6 | 2231 | wl->basic_rate_set = wl->conf.tx.basic_rate_5; |
53835a2d EP |
2232 | wl->rate_set = wl->conf.tx.basic_rate_5; |
2233 | } | |
2234 | ||
ebba60c6 JO |
2235 | } |
2236 | ||
251c177f EP |
2237 | static bool wl12xx_is_roc(struct wl1271 *wl) |
2238 | { | |
2239 | u8 role_id; | |
2240 | ||
2241 | role_id = find_first_bit(wl->roc_map, WL12XX_MAX_ROLES); | |
2242 | if (role_id >= WL12XX_MAX_ROLES) | |
2243 | return false; | |
2244 | ||
2245 | return true; | |
2246 | } | |
2247 | ||
bee0ffec | 2248 | static int wl1271_sta_handle_idle(struct wl1271 *wl, bool idle) |
0d58cbff JO |
2249 | { |
2250 | int ret; | |
2251 | ||
2252 | if (idle) { | |
251c177f EP |
2253 | /* no need to croc if we weren't busy (e.g. during boot) */ |
2254 | if (wl12xx_is_roc(wl)) { | |
2255 | ret = wl12xx_croc(wl, wl->dev_role_id); | |
2256 | if (ret < 0) | |
2257 | goto out; | |
2258 | ||
2259 | ret = wl12xx_cmd_role_stop_dev(wl); | |
0d58cbff JO |
2260 | if (ret < 0) |
2261 | goto out; | |
2262 | } | |
e0fe371b | 2263 | wl->rate_set = wl1271_tx_min_rate_get(wl); |
79b223f4 | 2264 | ret = wl1271_acx_sta_rate_policies(wl); |
0d58cbff JO |
2265 | if (ret < 0) |
2266 | goto out; | |
2267 | ret = wl1271_acx_keep_alive_config( | |
2268 | wl, CMD_TEMPL_KLV_IDX_NULL_DATA, | |
2269 | ACX_KEEP_ALIVE_TPL_INVALID); | |
2270 | if (ret < 0) | |
2271 | goto out; | |
2272 | set_bit(WL1271_FLAG_IDLE, &wl->flags); | |
2273 | } else { | |
33c2c06c LC |
2274 | /* The current firmware only supports sched_scan in idle */ |
2275 | if (wl->sched_scanning) { | |
2276 | wl1271_scan_sched_scan_stop(wl); | |
2277 | ieee80211_sched_scan_stopped(wl->hw); | |
2278 | } | |
2279 | ||
251c177f EP |
2280 | ret = wl12xx_cmd_role_start_dev(wl); |
2281 | if (ret < 0) | |
2282 | goto out; | |
2283 | ||
2284 | ret = wl12xx_roc(wl, wl->dev_role_id); | |
0d58cbff JO |
2285 | if (ret < 0) |
2286 | goto out; | |
2287 | clear_bit(WL1271_FLAG_IDLE, &wl->flags); | |
2288 | } | |
2289 | ||
2290 | out: | |
2291 | return ret; | |
2292 | } | |
2293 | ||
f5fc0f86 LC |
2294 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
2295 | { | |
2296 | struct wl1271 *wl = hw->priv; | |
2297 | struct ieee80211_conf *conf = &hw->conf; | |
2298 | int channel, ret = 0; | |
bee0ffec | 2299 | bool is_ap; |
f5fc0f86 LC |
2300 | |
2301 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); | |
2302 | ||
bee0ffec AN |
2303 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s" |
2304 | " changed 0x%x", | |
f5fc0f86 LC |
2305 | channel, |
2306 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", | |
c7f43e45 | 2307 | conf->power_level, |
bee0ffec AN |
2308 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use", |
2309 | changed); | |
f5fc0f86 | 2310 | |
781608c4 JO |
2311 | /* |
2312 | * mac80211 will go to idle nearly immediately after transmitting some | |
2313 | * frames, such as the deauth. To make sure those frames reach the air, | |
2314 | * wait here until the TX queue is fully flushed. | |
2315 | */ | |
2316 | if ((changed & IEEE80211_CONF_CHANGE_IDLE) && | |
2317 | (conf->flags & IEEE80211_CONF_IDLE)) | |
2318 | wl1271_tx_flush(wl); | |
2319 | ||
f5fc0f86 LC |
2320 | mutex_lock(&wl->mutex); |
2321 | ||
f8d9802f | 2322 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
17e672d6 AN |
2323 | /* we support configuring the channel and band while off */ |
2324 | if ((changed & IEEE80211_CONF_CHANGE_CHANNEL)) { | |
2325 | wl->band = conf->channel->band; | |
2326 | wl->channel = channel; | |
2327 | } | |
2328 | ||
097f8821 AN |
2329 | if ((changed & IEEE80211_CONF_CHANGE_POWER)) |
2330 | wl->power_level = conf->power_level; | |
2331 | ||
2c10bb9c | 2332 | goto out; |
f8d9802f | 2333 | } |
8a5a37a6 | 2334 | |
bee0ffec AN |
2335 | is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
2336 | ||
a620865e | 2337 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
2338 | if (ret < 0) |
2339 | goto out; | |
2340 | ||
ebba60c6 | 2341 | /* if the channel changes while joined, join again */ |
69e5434c JO |
2342 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL && |
2343 | ((wl->band != conf->channel->band) || | |
2344 | (wl->channel != channel))) { | |
ebba60c6 JO |
2345 | wl->band = conf->channel->band; |
2346 | wl->channel = channel; | |
2347 | ||
bee0ffec AN |
2348 | if (!is_ap) { |
2349 | /* | |
2350 | * FIXME: the mac80211 should really provide a fixed | |
2351 | * rate to use here. for now, just use the smallest | |
2352 | * possible rate for the band as a fixed rate for | |
2353 | * association frames and other control messages. | |
2354 | */ | |
2355 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
2356 | wl1271_set_band_rate(wl); | |
2357 | ||
2358 | wl->basic_rate = wl1271_tx_min_rate_get(wl); | |
2359 | ret = wl1271_acx_sta_rate_policies(wl); | |
ebba60c6 | 2360 | if (ret < 0) |
bee0ffec | 2361 | wl1271_warning("rate policy for channel " |
ebba60c6 | 2362 | "failed %d", ret); |
bee0ffec | 2363 | |
251c177f EP |
2364 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { |
2365 | if (wl12xx_is_roc(wl)) { | |
2366 | /* roaming */ | |
2367 | ret = wl12xx_croc(wl, wl->dev_role_id); | |
2368 | if (ret < 0) | |
2369 | goto out_sleep; | |
2370 | } | |
bee0ffec AN |
2371 | ret = wl1271_join(wl, false); |
2372 | if (ret < 0) | |
2373 | wl1271_warning("cmd join on channel " | |
2374 | "failed %d", ret); | |
251c177f EP |
2375 | } else { |
2376 | /* | |
2377 | * change the ROC channel. do it only if we are | |
2378 | * not idle. otherwise, CROC will be called | |
2379 | * anyway. | |
2380 | */ | |
2381 | if (wl12xx_is_roc(wl) && | |
2382 | !(conf->flags & IEEE80211_CONF_IDLE)) { | |
2383 | ret = wl12xx_croc(wl, wl->dev_role_id); | |
2384 | if (ret < 0) | |
2385 | goto out_sleep; | |
2386 | ||
2387 | ret = wl12xx_roc(wl, wl->dev_role_id); | |
2388 | if (ret < 0) | |
2389 | wl1271_warning("roc failed %d", | |
2390 | ret); | |
2391 | } | |
bee0ffec | 2392 | } |
ebba60c6 JO |
2393 | } |
2394 | } | |
2395 | ||
bee0ffec AN |
2396 | if (changed & IEEE80211_CONF_CHANGE_IDLE && !is_ap) { |
2397 | ret = wl1271_sta_handle_idle(wl, | |
2398 | conf->flags & IEEE80211_CONF_IDLE); | |
0d58cbff JO |
2399 | if (ret < 0) |
2400 | wl1271_warning("idle mode change failed %d", ret); | |
f5fc0f86 LC |
2401 | } |
2402 | ||
90494a90 JO |
2403 | /* |
2404 | * if mac80211 changes the PSM mode, make sure the mode is not | |
2405 | * incorrectly changed after the pspoll failure active window. | |
2406 | */ | |
2407 | if (changed & IEEE80211_CONF_CHANGE_PS) | |
2408 | clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags); | |
2409 | ||
71449f8d JO |
2410 | if (conf->flags & IEEE80211_CONF_PS && |
2411 | !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { | |
2412 | set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); | |
f5fc0f86 LC |
2413 | |
2414 | /* | |
2415 | * We enter PSM only if we're already associated. | |
2416 | * If we're not, we'll enter it when joining an SSID, | |
2417 | * through the bss_info_changed() hook. | |
2418 | */ | |
830fb67b | 2419 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { |
18f8d468 | 2420 | wl1271_debug(DEBUG_PSM, "psm enabled"); |
d8c42c0c | 2421 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
8eab7b47 | 2422 | wl->basic_rate, true); |
af5e084b | 2423 | } |
f5fc0f86 | 2424 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
71449f8d | 2425 | test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
18f8d468 | 2426 | wl1271_debug(DEBUG_PSM, "psm disabled"); |
f5fc0f86 | 2427 | |
71449f8d | 2428 | clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
f5fc0f86 | 2429 | |
71449f8d | 2430 | if (test_bit(WL1271_FLAG_PSM, &wl->flags)) |
d8c42c0c | 2431 | ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
8eab7b47 | 2432 | wl->basic_rate, true); |
f5fc0f86 LC |
2433 | } |
2434 | ||
2435 | if (conf->power_level != wl->power_level) { | |
2436 | ret = wl1271_acx_tx_power(wl, conf->power_level); | |
2437 | if (ret < 0) | |
c6317a54 | 2438 | goto out_sleep; |
f5fc0f86 LC |
2439 | |
2440 | wl->power_level = conf->power_level; | |
2441 | } | |
2442 | ||
2443 | out_sleep: | |
2444 | wl1271_ps_elp_sleep(wl); | |
2445 | ||
2446 | out: | |
2447 | mutex_unlock(&wl->mutex); | |
2448 | ||
2449 | return ret; | |
2450 | } | |
2451 | ||
b54853f1 JO |
2452 | struct wl1271_filter_params { |
2453 | bool enabled; | |
2454 | int mc_list_length; | |
2455 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
2456 | }; | |
2457 | ||
22bedad3 JP |
2458 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
2459 | struct netdev_hw_addr_list *mc_list) | |
c87dec9f | 2460 | { |
c87dec9f | 2461 | struct wl1271_filter_params *fp; |
22bedad3 | 2462 | struct netdev_hw_addr *ha; |
2c10bb9c | 2463 | struct wl1271 *wl = hw->priv; |
c87dec9f | 2464 | |
2c10bb9c SD |
2465 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
2466 | return 0; | |
c87dec9f | 2467 | |
74441130 | 2468 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
2469 | if (!fp) { |
2470 | wl1271_error("Out of memory setting filters."); | |
2471 | return 0; | |
2472 | } | |
2473 | ||
2474 | /* update multicast filtering parameters */ | |
c87dec9f | 2475 | fp->mc_list_length = 0; |
22bedad3 JP |
2476 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
2477 | fp->enabled = false; | |
2478 | } else { | |
2479 | fp->enabled = true; | |
2480 | netdev_hw_addr_list_for_each(ha, mc_list) { | |
c87dec9f | 2481 | memcpy(fp->mc_list[fp->mc_list_length], |
22bedad3 | 2482 | ha->addr, ETH_ALEN); |
c87dec9f | 2483 | fp->mc_list_length++; |
22bedad3 | 2484 | } |
c87dec9f JO |
2485 | } |
2486 | ||
b54853f1 | 2487 | return (u64)(unsigned long)fp; |
c87dec9f | 2488 | } |
f5fc0f86 | 2489 | |
b54853f1 JO |
2490 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
2491 | FIF_ALLMULTI | \ | |
2492 | FIF_FCSFAIL | \ | |
2493 | FIF_BCN_PRBRESP_PROMISC | \ | |
2494 | FIF_CONTROL | \ | |
2495 | FIF_OTHER_BSS) | |
2496 | ||
f5fc0f86 LC |
2497 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
2498 | unsigned int changed, | |
c87dec9f | 2499 | unsigned int *total, u64 multicast) |
f5fc0f86 | 2500 | { |
b54853f1 | 2501 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 2502 | struct wl1271 *wl = hw->priv; |
b54853f1 | 2503 | int ret; |
f5fc0f86 | 2504 | |
7d057869 AN |
2505 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter changed %x" |
2506 | " total %x", changed, *total); | |
f5fc0f86 | 2507 | |
b54853f1 JO |
2508 | mutex_lock(&wl->mutex); |
2509 | ||
2c10bb9c SD |
2510 | *total &= WL1271_SUPPORTED_FILTERS; |
2511 | changed &= WL1271_SUPPORTED_FILTERS; | |
2512 | ||
2513 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
b54853f1 JO |
2514 | goto out; |
2515 | ||
a620865e | 2516 | ret = wl1271_ps_elp_wakeup(wl); |
b54853f1 JO |
2517 | if (ret < 0) |
2518 | goto out; | |
2519 | ||
7d057869 AN |
2520 | if (wl->bss_type != BSS_TYPE_AP_BSS) { |
2521 | if (*total & FIF_ALLMULTI) | |
2522 | ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); | |
2523 | else if (fp) | |
2524 | ret = wl1271_acx_group_address_tbl(wl, fp->enabled, | |
2525 | fp->mc_list, | |
2526 | fp->mc_list_length); | |
2527 | if (ret < 0) | |
2528 | goto out_sleep; | |
2529 | } | |
f5fc0f86 | 2530 | |
08c1d1c7 EP |
2531 | /* |
2532 | * the fw doesn't provide an api to configure the filters. instead, | |
2533 | * the filters configuration is based on the active roles / ROC | |
2534 | * state. | |
2535 | */ | |
b54853f1 JO |
2536 | |
2537 | out_sleep: | |
2538 | wl1271_ps_elp_sleep(wl); | |
2539 | ||
2540 | out: | |
2541 | mutex_unlock(&wl->mutex); | |
14b228a0 | 2542 | kfree(fp); |
f5fc0f86 LC |
2543 | } |
2544 | ||
7f179b46 AN |
2545 | static int wl1271_record_ap_key(struct wl1271 *wl, u8 id, u8 key_type, |
2546 | u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, | |
2547 | u16 tx_seq_16) | |
2548 | { | |
2549 | struct wl1271_ap_key *ap_key; | |
2550 | int i; | |
2551 | ||
2552 | wl1271_debug(DEBUG_CRYPT, "record ap key id %d", (int)id); | |
2553 | ||
2554 | if (key_size > MAX_KEY_SIZE) | |
2555 | return -EINVAL; | |
2556 | ||
2557 | /* | |
2558 | * Find next free entry in ap_keys. Also check we are not replacing | |
2559 | * an existing key. | |
2560 | */ | |
2561 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
2562 | if (wl->recorded_ap_keys[i] == NULL) | |
2563 | break; | |
2564 | ||
2565 | if (wl->recorded_ap_keys[i]->id == id) { | |
2566 | wl1271_warning("trying to record key replacement"); | |
2567 | return -EINVAL; | |
2568 | } | |
2569 | } | |
2570 | ||
2571 | if (i == MAX_NUM_KEYS) | |
2572 | return -EBUSY; | |
2573 | ||
2574 | ap_key = kzalloc(sizeof(*ap_key), GFP_KERNEL); | |
2575 | if (!ap_key) | |
2576 | return -ENOMEM; | |
2577 | ||
2578 | ap_key->id = id; | |
2579 | ap_key->key_type = key_type; | |
2580 | ap_key->key_size = key_size; | |
2581 | memcpy(ap_key->key, key, key_size); | |
2582 | ap_key->hlid = hlid; | |
2583 | ap_key->tx_seq_32 = tx_seq_32; | |
2584 | ap_key->tx_seq_16 = tx_seq_16; | |
2585 | ||
2586 | wl->recorded_ap_keys[i] = ap_key; | |
2587 | return 0; | |
2588 | } | |
2589 | ||
2590 | static void wl1271_free_ap_keys(struct wl1271 *wl) | |
2591 | { | |
2592 | int i; | |
2593 | ||
2594 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
2595 | kfree(wl->recorded_ap_keys[i]); | |
2596 | wl->recorded_ap_keys[i] = NULL; | |
2597 | } | |
2598 | } | |
2599 | ||
2600 | static int wl1271_ap_init_hwenc(struct wl1271 *wl) | |
2601 | { | |
2602 | int i, ret = 0; | |
2603 | struct wl1271_ap_key *key; | |
2604 | bool wep_key_added = false; | |
2605 | ||
2606 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
7f97b487 | 2607 | u8 hlid; |
7f179b46 AN |
2608 | if (wl->recorded_ap_keys[i] == NULL) |
2609 | break; | |
2610 | ||
2611 | key = wl->recorded_ap_keys[i]; | |
7f97b487 EP |
2612 | hlid = key->hlid; |
2613 | if (hlid == WL12XX_INVALID_LINK_ID) | |
2614 | hlid = wl->ap_bcast_hlid; | |
2615 | ||
7f179b46 AN |
2616 | ret = wl1271_cmd_set_ap_key(wl, KEY_ADD_OR_REPLACE, |
2617 | key->id, key->key_type, | |
2618 | key->key_size, key->key, | |
7f97b487 | 2619 | hlid, key->tx_seq_32, |
7f179b46 AN |
2620 | key->tx_seq_16); |
2621 | if (ret < 0) | |
2622 | goto out; | |
2623 | ||
2624 | if (key->key_type == KEY_WEP) | |
2625 | wep_key_added = true; | |
2626 | } | |
2627 | ||
2628 | if (wep_key_added) { | |
c690ec81 | 2629 | ret = wl12xx_cmd_set_default_wep_key(wl, wl->default_key, |
e51ae9be | 2630 | wl->ap_bcast_hlid); |
7f179b46 AN |
2631 | if (ret < 0) |
2632 | goto out; | |
2633 | } | |
2634 | ||
2635 | out: | |
2636 | wl1271_free_ap_keys(wl); | |
2637 | return ret; | |
2638 | } | |
2639 | ||
2640 | static int wl1271_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type, | |
2641 | u8 key_size, const u8 *key, u32 tx_seq_32, | |
2642 | u16 tx_seq_16, struct ieee80211_sta *sta) | |
2643 | { | |
2644 | int ret; | |
2645 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); | |
2646 | ||
2647 | if (is_ap) { | |
2648 | struct wl1271_station *wl_sta; | |
2649 | u8 hlid; | |
2650 | ||
2651 | if (sta) { | |
2652 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
2653 | hlid = wl_sta->hlid; | |
2654 | } else { | |
e51ae9be | 2655 | hlid = wl->ap_bcast_hlid; |
7f179b46 AN |
2656 | } |
2657 | ||
2658 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { | |
2659 | /* | |
2660 | * We do not support removing keys after AP shutdown. | |
2661 | * Pretend we do to make mac80211 happy. | |
2662 | */ | |
2663 | if (action != KEY_ADD_OR_REPLACE) | |
2664 | return 0; | |
2665 | ||
2666 | ret = wl1271_record_ap_key(wl, id, | |
2667 | key_type, key_size, | |
2668 | key, hlid, tx_seq_32, | |
2669 | tx_seq_16); | |
2670 | } else { | |
2671 | ret = wl1271_cmd_set_ap_key(wl, action, | |
2672 | id, key_type, key_size, | |
2673 | key, hlid, tx_seq_32, | |
2674 | tx_seq_16); | |
2675 | } | |
2676 | ||
2677 | if (ret < 0) | |
2678 | return ret; | |
2679 | } else { | |
2680 | const u8 *addr; | |
2681 | static const u8 bcast_addr[ETH_ALEN] = { | |
2682 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff | |
2683 | }; | |
2684 | ||
e9eb8cbe GE |
2685 | /* |
2686 | * A STA set to GEM cipher requires 2 tx spare blocks. | |
2687 | * Return to default value when GEM cipher key is removed | |
2688 | */ | |
2689 | if (key_type == KEY_GEM) { | |
2690 | if (action == KEY_ADD_OR_REPLACE) | |
2691 | wl->tx_spare_blocks = 2; | |
2692 | else if (action == KEY_REMOVE) | |
2693 | wl->tx_spare_blocks = TX_HW_BLOCK_SPARE_DEFAULT; | |
2694 | } | |
2695 | ||
7f179b46 AN |
2696 | addr = sta ? sta->addr : bcast_addr; |
2697 | ||
2698 | if (is_zero_ether_addr(addr)) { | |
2699 | /* We dont support TX only encryption */ | |
2700 | return -EOPNOTSUPP; | |
2701 | } | |
2702 | ||
2703 | /* The wl1271 does not allow to remove unicast keys - they | |
2704 | will be cleared automatically on next CMD_JOIN. Ignore the | |
2705 | request silently, as we dont want the mac80211 to emit | |
2706 | an error message. */ | |
2707 | if (action == KEY_REMOVE && !is_broadcast_ether_addr(addr)) | |
2708 | return 0; | |
2709 | ||
010d3d30 EP |
2710 | /* don't remove key if hlid was already deleted */ |
2711 | if (action == KEY_REMOVE && | |
2712 | wl->sta_hlid == WL12XX_INVALID_LINK_ID) | |
2713 | return 0; | |
2714 | ||
7f179b46 AN |
2715 | ret = wl1271_cmd_set_sta_key(wl, action, |
2716 | id, key_type, key_size, | |
2717 | key, addr, tx_seq_32, | |
2718 | tx_seq_16); | |
2719 | if (ret < 0) | |
2720 | return ret; | |
2721 | ||
2722 | /* the default WEP key needs to be configured at least once */ | |
2723 | if (key_type == KEY_WEP) { | |
c690ec81 EP |
2724 | ret = wl12xx_cmd_set_default_wep_key(wl, |
2725 | wl->default_key, | |
2726 | wl->sta_hlid); | |
7f179b46 AN |
2727 | if (ret < 0) |
2728 | return ret; | |
2729 | } | |
2730 | } | |
2731 | ||
2732 | return 0; | |
2733 | } | |
2734 | ||
f5fc0f86 LC |
2735 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
2736 | struct ieee80211_vif *vif, | |
2737 | struct ieee80211_sta *sta, | |
2738 | struct ieee80211_key_conf *key_conf) | |
2739 | { | |
2740 | struct wl1271 *wl = hw->priv; | |
f5fc0f86 | 2741 | int ret; |
ac4e4ce5 JO |
2742 | u32 tx_seq_32 = 0; |
2743 | u16 tx_seq_16 = 0; | |
f5fc0f86 LC |
2744 | u8 key_type; |
2745 | ||
f5fc0f86 LC |
2746 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); |
2747 | ||
7f179b46 | 2748 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x sta: %p", cmd, sta); |
f5fc0f86 | 2749 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", |
97359d12 | 2750 | key_conf->cipher, key_conf->keyidx, |
f5fc0f86 LC |
2751 | key_conf->keylen, key_conf->flags); |
2752 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
2753 | ||
f5fc0f86 LC |
2754 | mutex_lock(&wl->mutex); |
2755 | ||
f8d9802f JO |
2756 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
2757 | ret = -EAGAIN; | |
2758 | goto out_unlock; | |
2759 | } | |
2760 | ||
a620865e | 2761 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
2762 | if (ret < 0) |
2763 | goto out_unlock; | |
2764 | ||
97359d12 JB |
2765 | switch (key_conf->cipher) { |
2766 | case WLAN_CIPHER_SUITE_WEP40: | |
2767 | case WLAN_CIPHER_SUITE_WEP104: | |
f5fc0f86 LC |
2768 | key_type = KEY_WEP; |
2769 | ||
2770 | key_conf->hw_key_idx = key_conf->keyidx; | |
2771 | break; | |
97359d12 | 2772 | case WLAN_CIPHER_SUITE_TKIP: |
f5fc0f86 LC |
2773 | key_type = KEY_TKIP; |
2774 | ||
2775 | key_conf->hw_key_idx = key_conf->keyidx; | |
04e36fc5 JO |
2776 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
2777 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
f5fc0f86 | 2778 | break; |
97359d12 | 2779 | case WLAN_CIPHER_SUITE_CCMP: |
f5fc0f86 LC |
2780 | key_type = KEY_AES; |
2781 | ||
2782 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
04e36fc5 JO |
2783 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
2784 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
f5fc0f86 | 2785 | break; |
7a55724e JO |
2786 | case WL1271_CIPHER_SUITE_GEM: |
2787 | key_type = KEY_GEM; | |
2788 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); | |
2789 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
2790 | break; | |
f5fc0f86 | 2791 | default: |
97359d12 | 2792 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
f5fc0f86 LC |
2793 | |
2794 | ret = -EOPNOTSUPP; | |
2795 | goto out_sleep; | |
2796 | } | |
2797 | ||
2798 | switch (cmd) { | |
2799 | case SET_KEY: | |
7f179b46 AN |
2800 | ret = wl1271_set_key(wl, KEY_ADD_OR_REPLACE, |
2801 | key_conf->keyidx, key_type, | |
2802 | key_conf->keylen, key_conf->key, | |
2803 | tx_seq_32, tx_seq_16, sta); | |
f5fc0f86 LC |
2804 | if (ret < 0) { |
2805 | wl1271_error("Could not add or replace key"); | |
2806 | goto out_sleep; | |
2807 | } | |
2808 | break; | |
2809 | ||
2810 | case DISABLE_KEY: | |
7f179b46 AN |
2811 | ret = wl1271_set_key(wl, KEY_REMOVE, |
2812 | key_conf->keyidx, key_type, | |
2813 | key_conf->keylen, key_conf->key, | |
2814 | 0, 0, sta); | |
f5fc0f86 LC |
2815 | if (ret < 0) { |
2816 | wl1271_error("Could not remove key"); | |
2817 | goto out_sleep; | |
2818 | } | |
2819 | break; | |
2820 | ||
2821 | default: | |
2822 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
2823 | ret = -EOPNOTSUPP; | |
f5fc0f86 LC |
2824 | break; |
2825 | } | |
2826 | ||
2827 | out_sleep: | |
2828 | wl1271_ps_elp_sleep(wl); | |
2829 | ||
2830 | out_unlock: | |
2831 | mutex_unlock(&wl->mutex); | |
2832 | ||
f5fc0f86 LC |
2833 | return ret; |
2834 | } | |
2835 | ||
2836 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, | |
a060bbfe | 2837 | struct ieee80211_vif *vif, |
f5fc0f86 LC |
2838 | struct cfg80211_scan_request *req) |
2839 | { | |
2840 | struct wl1271 *wl = hw->priv; | |
2841 | int ret; | |
2842 | u8 *ssid = NULL; | |
abb0b3bf | 2843 | size_t len = 0; |
f5fc0f86 LC |
2844 | |
2845 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
2846 | ||
2847 | if (req->n_ssids) { | |
2848 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 2849 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
2850 | } |
2851 | ||
2852 | mutex_lock(&wl->mutex); | |
2853 | ||
b739a42c JO |
2854 | if (wl->state == WL1271_STATE_OFF) { |
2855 | /* | |
2856 | * We cannot return -EBUSY here because cfg80211 will expect | |
2857 | * a call to ieee80211_scan_completed if we do - in this case | |
2858 | * there won't be any call. | |
2859 | */ | |
2860 | ret = -EAGAIN; | |
2861 | goto out; | |
2862 | } | |
2863 | ||
a620865e | 2864 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
2865 | if (ret < 0) |
2866 | goto out; | |
2867 | ||
251c177f EP |
2868 | /* cancel ROC before scanning */ |
2869 | if (wl12xx_is_roc(wl)) { | |
2870 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { | |
2871 | /* don't allow scanning right now */ | |
2872 | ret = -EBUSY; | |
2873 | goto out_sleep; | |
2874 | } | |
2875 | wl12xx_croc(wl, wl->dev_role_id); | |
2876 | wl12xx_cmd_role_stop_dev(wl); | |
2877 | } | |
f5fc0f86 | 2878 | |
251c177f EP |
2879 | ret = wl1271_scan(hw->priv, ssid, len, req); |
2880 | out_sleep: | |
f5fc0f86 | 2881 | wl1271_ps_elp_sleep(wl); |
f5fc0f86 LC |
2882 | out: |
2883 | mutex_unlock(&wl->mutex); | |
2884 | ||
2885 | return ret; | |
2886 | } | |
2887 | ||
73ecce31 EP |
2888 | static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, |
2889 | struct ieee80211_vif *vif) | |
2890 | { | |
2891 | struct wl1271 *wl = hw->priv; | |
2892 | int ret; | |
2893 | ||
2894 | wl1271_debug(DEBUG_MAC80211, "mac80211 cancel hw scan"); | |
2895 | ||
2896 | mutex_lock(&wl->mutex); | |
2897 | ||
2898 | if (wl->state == WL1271_STATE_OFF) | |
2899 | goto out; | |
2900 | ||
2901 | if (wl->scan.state == WL1271_SCAN_STATE_IDLE) | |
2902 | goto out; | |
2903 | ||
2904 | ret = wl1271_ps_elp_wakeup(wl); | |
2905 | if (ret < 0) | |
2906 | goto out; | |
2907 | ||
2908 | if (wl->scan.state != WL1271_SCAN_STATE_DONE) { | |
2909 | ret = wl1271_scan_stop(wl); | |
2910 | if (ret < 0) | |
2911 | goto out_sleep; | |
2912 | } | |
2913 | wl->scan.state = WL1271_SCAN_STATE_IDLE; | |
2914 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); | |
2915 | wl->scan.req = NULL; | |
2916 | ieee80211_scan_completed(wl->hw, true); | |
2917 | ||
2918 | out_sleep: | |
2919 | wl1271_ps_elp_sleep(wl); | |
2920 | out: | |
2921 | mutex_unlock(&wl->mutex); | |
2922 | ||
2923 | cancel_delayed_work_sync(&wl->scan_complete_work); | |
2924 | } | |
2925 | ||
33c2c06c LC |
2926 | static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, |
2927 | struct ieee80211_vif *vif, | |
2928 | struct cfg80211_sched_scan_request *req, | |
2929 | struct ieee80211_sched_scan_ies *ies) | |
2930 | { | |
2931 | struct wl1271 *wl = hw->priv; | |
2932 | int ret; | |
2933 | ||
2934 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_start"); | |
2935 | ||
2936 | mutex_lock(&wl->mutex); | |
2937 | ||
2938 | ret = wl1271_ps_elp_wakeup(wl); | |
2939 | if (ret < 0) | |
2940 | goto out; | |
2941 | ||
2942 | ret = wl1271_scan_sched_scan_config(wl, req, ies); | |
2943 | if (ret < 0) | |
2944 | goto out_sleep; | |
2945 | ||
2946 | ret = wl1271_scan_sched_scan_start(wl); | |
2947 | if (ret < 0) | |
2948 | goto out_sleep; | |
2949 | ||
2950 | wl->sched_scanning = true; | |
2951 | ||
2952 | out_sleep: | |
2953 | wl1271_ps_elp_sleep(wl); | |
2954 | out: | |
2955 | mutex_unlock(&wl->mutex); | |
2956 | return ret; | |
2957 | } | |
2958 | ||
2959 | static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, | |
2960 | struct ieee80211_vif *vif) | |
2961 | { | |
2962 | struct wl1271 *wl = hw->priv; | |
2963 | int ret; | |
2964 | ||
2965 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_stop"); | |
2966 | ||
2967 | mutex_lock(&wl->mutex); | |
2968 | ||
2969 | ret = wl1271_ps_elp_wakeup(wl); | |
2970 | if (ret < 0) | |
2971 | goto out; | |
2972 | ||
2973 | wl1271_scan_sched_scan_stop(wl); | |
2974 | ||
2975 | wl1271_ps_elp_sleep(wl); | |
2976 | out: | |
2977 | mutex_unlock(&wl->mutex); | |
2978 | } | |
2979 | ||
68d069c4 AN |
2980 | static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
2981 | { | |
2982 | struct wl1271 *wl = hw->priv; | |
2983 | int ret = 0; | |
2984 | ||
2985 | mutex_lock(&wl->mutex); | |
2986 | ||
2987 | if (unlikely(wl->state == WL1271_STATE_OFF)) { | |
2988 | ret = -EAGAIN; | |
2989 | goto out; | |
2990 | } | |
2991 | ||
a620865e | 2992 | ret = wl1271_ps_elp_wakeup(wl); |
68d069c4 AN |
2993 | if (ret < 0) |
2994 | goto out; | |
2995 | ||
5f704d18 | 2996 | ret = wl1271_acx_frag_threshold(wl, value); |
68d069c4 AN |
2997 | if (ret < 0) |
2998 | wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); | |
2999 | ||
3000 | wl1271_ps_elp_sleep(wl); | |
3001 | ||
3002 | out: | |
3003 | mutex_unlock(&wl->mutex); | |
3004 | ||
3005 | return ret; | |
3006 | } | |
3007 | ||
f5fc0f86 LC |
3008 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
3009 | { | |
3010 | struct wl1271 *wl = hw->priv; | |
aecb0565 | 3011 | int ret = 0; |
f5fc0f86 LC |
3012 | |
3013 | mutex_lock(&wl->mutex); | |
3014 | ||
f8d9802f JO |
3015 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
3016 | ret = -EAGAIN; | |
aecb0565 | 3017 | goto out; |
f8d9802f | 3018 | } |
aecb0565 | 3019 | |
a620865e | 3020 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
3021 | if (ret < 0) |
3022 | goto out; | |
3023 | ||
5f704d18 | 3024 | ret = wl1271_acx_rts_threshold(wl, value); |
f5fc0f86 LC |
3025 | if (ret < 0) |
3026 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); | |
3027 | ||
3028 | wl1271_ps_elp_sleep(wl); | |
3029 | ||
3030 | out: | |
3031 | mutex_unlock(&wl->mutex); | |
3032 | ||
3033 | return ret; | |
3034 | } | |
3035 | ||
e78a287a | 3036 | static int wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *skb, |
2f6724b2 | 3037 | int offset) |
30240fc7 | 3038 | { |
889cb360 EP |
3039 | u8 ssid_len; |
3040 | const u8 *ptr = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, | |
3041 | skb->len - offset); | |
30240fc7 | 3042 | |
889cb360 EP |
3043 | if (!ptr) { |
3044 | wl1271_error("No SSID in IEs!"); | |
3045 | return -ENOENT; | |
3046 | } | |
3047 | ||
3048 | ssid_len = ptr[1]; | |
3049 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { | |
3050 | wl1271_error("SSID is too long!"); | |
3051 | return -EINVAL; | |
30240fc7 | 3052 | } |
e78a287a | 3053 | |
889cb360 EP |
3054 | wl->ssid_len = ssid_len; |
3055 | memcpy(wl->ssid, ptr+2, ssid_len); | |
3056 | return 0; | |
30240fc7 JO |
3057 | } |
3058 | ||
e78a287a | 3059 | static int wl1271_bss_erp_info_changed(struct wl1271 *wl, |
f5fc0f86 LC |
3060 | struct ieee80211_bss_conf *bss_conf, |
3061 | u32 changed) | |
3062 | { | |
e78a287a | 3063 | int ret = 0; |
f5fc0f86 | 3064 | |
e78a287a AN |
3065 | if (changed & BSS_CHANGED_ERP_SLOT) { |
3066 | if (bss_conf->use_short_slot) | |
3067 | ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); | |
3068 | else | |
3069 | ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); | |
3070 | if (ret < 0) { | |
3071 | wl1271_warning("Set slot time failed %d", ret); | |
3072 | goto out; | |
3073 | } | |
3074 | } | |
f5fc0f86 | 3075 | |
e78a287a AN |
3076 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
3077 | if (bss_conf->use_short_preamble) | |
3078 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); | |
3079 | else | |
3080 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); | |
3081 | } | |
f5fc0f86 | 3082 | |
e78a287a AN |
3083 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
3084 | if (bss_conf->use_cts_prot) | |
3085 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); | |
3086 | else | |
3087 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); | |
3088 | if (ret < 0) { | |
3089 | wl1271_warning("Set ctsprotect failed %d", ret); | |
3090 | goto out; | |
3091 | } | |
3092 | } | |
f8d9802f | 3093 | |
e78a287a AN |
3094 | out: |
3095 | return ret; | |
3096 | } | |
f5fc0f86 | 3097 | |
e78a287a AN |
3098 | static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, |
3099 | struct ieee80211_vif *vif, | |
3100 | struct ieee80211_bss_conf *bss_conf, | |
3101 | u32 changed) | |
3102 | { | |
3103 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); | |
3104 | int ret = 0; | |
3105 | ||
3106 | if ((changed & BSS_CHANGED_BEACON_INT)) { | |
3107 | wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d", | |
60e84c2e JO |
3108 | bss_conf->beacon_int); |
3109 | ||
3110 | wl->beacon_int = bss_conf->beacon_int; | |
60e84c2e JO |
3111 | } |
3112 | ||
e78a287a AN |
3113 | if ((changed & BSS_CHANGED_BEACON)) { |
3114 | struct ieee80211_hdr *hdr; | |
3115 | int ieoffset = offsetof(struct ieee80211_mgmt, | |
3116 | u.beacon.variable); | |
3117 | struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); | |
3118 | u16 tmpl_id; | |
3119 | ||
3120 | if (!beacon) | |
3121 | goto out; | |
3122 | ||
3123 | wl1271_debug(DEBUG_MASTER, "beacon updated"); | |
3124 | ||
3125 | ret = wl1271_ssid_set(wl, beacon, ieoffset); | |
3126 | if (ret < 0) { | |
3127 | dev_kfree_skb(beacon); | |
3128 | goto out; | |
3129 | } | |
3130 | tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : | |
3131 | CMD_TEMPL_BEACON; | |
3132 | ret = wl1271_cmd_template_set(wl, tmpl_id, | |
3133 | beacon->data, | |
3134 | beacon->len, 0, | |
3135 | wl1271_tx_min_rate_get(wl)); | |
3136 | if (ret < 0) { | |
3137 | dev_kfree_skb(beacon); | |
3138 | goto out; | |
3139 | } | |
3140 | ||
3141 | hdr = (struct ieee80211_hdr *) beacon->data; | |
3142 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
3143 | IEEE80211_STYPE_PROBE_RESP); | |
3144 | ||
3145 | tmpl_id = is_ap ? CMD_TEMPL_AP_PROBE_RESPONSE : | |
3146 | CMD_TEMPL_PROBE_RESPONSE; | |
3147 | ret = wl1271_cmd_template_set(wl, | |
3148 | tmpl_id, | |
3149 | beacon->data, | |
3150 | beacon->len, 0, | |
3151 | wl1271_tx_min_rate_get(wl)); | |
3152 | dev_kfree_skb(beacon); | |
3153 | if (ret < 0) | |
3154 | goto out; | |
3155 | } | |
3156 | ||
3157 | out: | |
3158 | return ret; | |
3159 | } | |
3160 | ||
3161 | /* AP mode changes */ | |
3162 | static void wl1271_bss_info_changed_ap(struct wl1271 *wl, | |
3163 | struct ieee80211_vif *vif, | |
3164 | struct ieee80211_bss_conf *bss_conf, | |
3165 | u32 changed) | |
3166 | { | |
3167 | int ret = 0; | |
e0d8bbf0 | 3168 | |
e78a287a AN |
3169 | if ((changed & BSS_CHANGED_BASIC_RATES)) { |
3170 | u32 rates = bss_conf->basic_rates; | |
5da11dcd | 3171 | |
e78a287a AN |
3172 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates); |
3173 | wl->basic_rate = wl1271_tx_min_rate_get(wl); | |
70f47424 AN |
3174 | |
3175 | ret = wl1271_init_ap_rates(wl); | |
e78a287a | 3176 | if (ret < 0) { |
70f47424 | 3177 | wl1271_error("AP rate policy change failed %d", ret); |
e78a287a AN |
3178 | goto out; |
3179 | } | |
c45a85b5 AN |
3180 | |
3181 | ret = wl1271_ap_init_templates(wl); | |
3182 | if (ret < 0) | |
3183 | goto out; | |
e78a287a | 3184 | } |
2f6724b2 | 3185 | |
e78a287a AN |
3186 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); |
3187 | if (ret < 0) | |
3188 | goto out; | |
30240fc7 | 3189 | |
e78a287a AN |
3190 | if ((changed & BSS_CHANGED_BEACON_ENABLED)) { |
3191 | if (bss_conf->enable_beacon) { | |
3192 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { | |
c690ec81 | 3193 | ret = wl12xx_cmd_role_start_ap(wl); |
e78a287a AN |
3194 | if (ret < 0) |
3195 | goto out; | |
e0d8bbf0 | 3196 | |
7f179b46 AN |
3197 | ret = wl1271_ap_init_hwenc(wl); |
3198 | if (ret < 0) | |
3199 | goto out; | |
cf42039f AN |
3200 | |
3201 | set_bit(WL1271_FLAG_AP_STARTED, &wl->flags); | |
3202 | wl1271_debug(DEBUG_AP, "started AP"); | |
e0d8bbf0 | 3203 | } |
e78a287a AN |
3204 | } else { |
3205 | if (test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { | |
c690ec81 | 3206 | ret = wl12xx_cmd_role_stop_ap(wl); |
e78a287a AN |
3207 | if (ret < 0) |
3208 | goto out; | |
e0d8bbf0 | 3209 | |
e78a287a AN |
3210 | clear_bit(WL1271_FLAG_AP_STARTED, &wl->flags); |
3211 | wl1271_debug(DEBUG_AP, "stopped AP"); | |
3212 | } | |
3213 | } | |
3214 | } | |
e0d8bbf0 | 3215 | |
e78a287a AN |
3216 | ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed); |
3217 | if (ret < 0) | |
3218 | goto out; | |
0b932ab9 AN |
3219 | |
3220 | /* Handle HT information change */ | |
3221 | if ((changed & BSS_CHANGED_HT) && | |
3222 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { | |
3223 | ret = wl1271_acx_set_ht_information(wl, | |
3224 | bss_conf->ht_operation_mode); | |
3225 | if (ret < 0) { | |
3226 | wl1271_warning("Set ht information failed %d", ret); | |
3227 | goto out; | |
3228 | } | |
3229 | } | |
3230 | ||
e78a287a AN |
3231 | out: |
3232 | return; | |
3233 | } | |
8bf29b0e | 3234 | |
e78a287a AN |
3235 | /* STA/IBSS mode changes */ |
3236 | static void wl1271_bss_info_changed_sta(struct wl1271 *wl, | |
3237 | struct ieee80211_vif *vif, | |
3238 | struct ieee80211_bss_conf *bss_conf, | |
3239 | u32 changed) | |
3240 | { | |
3241 | bool do_join = false, set_assoc = false; | |
3242 | bool is_ibss = (wl->bss_type == BSS_TYPE_IBSS); | |
227e81e1 | 3243 | bool ibss_joined = false; |
72c2d9e5 | 3244 | u32 sta_rate_set = 0; |
e78a287a | 3245 | int ret; |
2d6e4e76 | 3246 | struct ieee80211_sta *sta; |
a100885d AN |
3247 | bool sta_exists = false; |
3248 | struct ieee80211_sta_ht_cap sta_ht_cap; | |
e78a287a AN |
3249 | |
3250 | if (is_ibss) { | |
3251 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, | |
3252 | changed); | |
3253 | if (ret < 0) | |
3254 | goto out; | |
e0d8bbf0 JO |
3255 | } |
3256 | ||
227e81e1 EP |
3257 | if (changed & BSS_CHANGED_IBSS) { |
3258 | if (bss_conf->ibss_joined) { | |
3259 | set_bit(WL1271_FLAG_IBSS_JOINED, &wl->flags); | |
3260 | ibss_joined = true; | |
3261 | } else { | |
3262 | if (test_and_clear_bit(WL1271_FLAG_IBSS_JOINED, | |
3263 | &wl->flags)) { | |
3264 | wl1271_unjoin(wl); | |
3265 | wl12xx_cmd_role_start_dev(wl); | |
3266 | wl12xx_roc(wl, wl->dev_role_id); | |
3267 | } | |
3268 | } | |
3269 | } | |
3270 | ||
3271 | if ((changed & BSS_CHANGED_BEACON_INT) && ibss_joined) | |
e78a287a AN |
3272 | do_join = true; |
3273 | ||
3274 | /* Need to update the SSID (for filtering etc) */ | |
227e81e1 | 3275 | if ((changed & BSS_CHANGED_BEACON) && ibss_joined) |
e78a287a AN |
3276 | do_join = true; |
3277 | ||
227e81e1 | 3278 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && ibss_joined) { |
5da11dcd JO |
3279 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", |
3280 | bss_conf->enable_beacon ? "enabled" : "disabled"); | |
3281 | ||
3282 | if (bss_conf->enable_beacon) | |
3283 | wl->set_bss_type = BSS_TYPE_IBSS; | |
3284 | else | |
3285 | wl->set_bss_type = BSS_TYPE_STA_BSS; | |
3286 | do_join = true; | |
3287 | } | |
3288 | ||
e78a287a | 3289 | if ((changed & BSS_CHANGED_CQM)) { |
00236aed JO |
3290 | bool enable = false; |
3291 | if (bss_conf->cqm_rssi_thold) | |
3292 | enable = true; | |
3293 | ret = wl1271_acx_rssi_snr_trigger(wl, enable, | |
3294 | bss_conf->cqm_rssi_thold, | |
3295 | bss_conf->cqm_rssi_hyst); | |
3296 | if (ret < 0) | |
3297 | goto out; | |
3298 | wl->rssi_thold = bss_conf->cqm_rssi_thold; | |
3299 | } | |
3300 | ||
30240fc7 JO |
3301 | if ((changed & BSS_CHANGED_BSSID) && |
3302 | /* | |
3303 | * Now we know the correct bssid, so we send a new join command | |
3304 | * and enable the BSSID filter | |
3305 | */ | |
3306 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { | |
e78a287a | 3307 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); |
a0cb7be4 | 3308 | |
fa287b8f EP |
3309 | if (!is_zero_ether_addr(wl->bssid)) { |
3310 | ret = wl1271_cmd_build_null_data(wl); | |
3311 | if (ret < 0) | |
3312 | goto out; | |
30240fc7 | 3313 | |
fa287b8f EP |
3314 | ret = wl1271_build_qos_null_data(wl); |
3315 | if (ret < 0) | |
3316 | goto out; | |
30240fc7 | 3317 | |
fa287b8f EP |
3318 | /* Need to update the BSSID (for filtering etc) */ |
3319 | do_join = true; | |
3320 | } | |
30240fc7 JO |
3321 | } |
3322 | ||
0f9c8250 AN |
3323 | if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_HT)) { |
3324 | rcu_read_lock(); | |
3325 | sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
3326 | if (!sta) | |
3327 | goto sta_not_found; | |
3328 | ||
72c2d9e5 EP |
3329 | /* save the supp_rates of the ap */ |
3330 | sta_rate_set = sta->supp_rates[wl->hw->conf.channel->band]; | |
3331 | if (sta->ht_cap.ht_supported) | |
3332 | sta_rate_set |= | |
3333 | (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET); | |
a100885d AN |
3334 | sta_ht_cap = sta->ht_cap; |
3335 | sta_exists = true; | |
72c2d9e5 | 3336 | |
0f9c8250 AN |
3337 | sta_not_found: |
3338 | rcu_read_unlock(); | |
72c2d9e5 | 3339 | } |
72c2d9e5 | 3340 | |
e78a287a | 3341 | if ((changed & BSS_CHANGED_ASSOC)) { |
f5fc0f86 | 3342 | if (bss_conf->assoc) { |
ebba60c6 | 3343 | u32 rates; |
2f6724b2 | 3344 | int ieoffset; |
f5fc0f86 | 3345 | wl->aid = bss_conf->aid; |
69e5434c | 3346 | set_assoc = true; |
f5fc0f86 | 3347 | |
90494a90 JO |
3348 | wl->ps_poll_failures = 0; |
3349 | ||
ebba60c6 JO |
3350 | /* |
3351 | * use basic rates from AP, and determine lowest rate | |
3352 | * to use with control frames. | |
3353 | */ | |
3354 | rates = bss_conf->basic_rates; | |
3355 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, | |
3356 | rates); | |
e0fe371b | 3357 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
72c2d9e5 EP |
3358 | if (sta_rate_set) |
3359 | wl->rate_set = wl1271_tx_enabled_rates_get(wl, | |
3360 | sta_rate_set); | |
79b223f4 | 3361 | ret = wl1271_acx_sta_rate_policies(wl); |
ebba60c6 | 3362 | if (ret < 0) |
e78a287a | 3363 | goto out; |
ebba60c6 | 3364 | |
ae751bab LC |
3365 | /* |
3366 | * with wl1271, we don't need to update the | |
3367 | * beacon_int and dtim_period, because the firmware | |
3368 | * updates it by itself when the first beacon is | |
3369 | * received after a join. | |
3370 | */ | |
f5fc0f86 LC |
3371 | ret = wl1271_cmd_build_ps_poll(wl, wl->aid); |
3372 | if (ret < 0) | |
e78a287a | 3373 | goto out; |
f5fc0f86 | 3374 | |
c2b2d99b | 3375 | /* |
2f6724b2 | 3376 | * Get a template for hardware connection maintenance |
c2b2d99b | 3377 | */ |
2f6724b2 JO |
3378 | dev_kfree_skb(wl->probereq); |
3379 | wl->probereq = wl1271_cmd_build_ap_probe_req(wl, NULL); | |
3380 | ieoffset = offsetof(struct ieee80211_mgmt, | |
3381 | u.probe_req.variable); | |
3382 | wl1271_ssid_set(wl, wl->probereq, ieoffset); | |
c2b2d99b | 3383 | |
6ccbb92e JO |
3384 | /* enable the connection monitoring feature */ |
3385 | ret = wl1271_acx_conn_monit_params(wl, true); | |
f5fc0f86 | 3386 | if (ret < 0) |
e78a287a | 3387 | goto out; |
d94cd297 JO |
3388 | } else { |
3389 | /* use defaults when not associated */ | |
30df14d0 EP |
3390 | bool was_assoc = |
3391 | !!test_and_clear_bit(WL1271_FLAG_STA_ASSOCIATED, | |
3392 | &wl->flags); | |
251c177f EP |
3393 | bool was_ifup = |
3394 | !!test_and_clear_bit(WL1271_FLAG_STA_STATE_SENT, | |
3395 | &wl->flags); | |
d94cd297 | 3396 | wl->aid = 0; |
6ccbb92e | 3397 | |
2f6724b2 JO |
3398 | /* free probe-request template */ |
3399 | dev_kfree_skb(wl->probereq); | |
3400 | wl->probereq = NULL; | |
3401 | ||
8d2ef7bd | 3402 | /* re-enable dynamic ps - just in case */ |
f532be6d | 3403 | ieee80211_enable_dyn_ps(wl->vif); |
8d2ef7bd | 3404 | |
ebba60c6 JO |
3405 | /* revert back to minimum rates for the current band */ |
3406 | wl1271_set_band_rate(wl); | |
e0fe371b | 3407 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
79b223f4 | 3408 | ret = wl1271_acx_sta_rate_policies(wl); |
ebba60c6 | 3409 | if (ret < 0) |
e78a287a | 3410 | goto out; |
ebba60c6 | 3411 | |
6ccbb92e JO |
3412 | /* disable connection monitor features */ |
3413 | ret = wl1271_acx_conn_monit_params(wl, false); | |
c1899554 JO |
3414 | |
3415 | /* Disable the keep-alive feature */ | |
3416 | ret = wl1271_acx_keep_alive_mode(wl, false); | |
6ccbb92e | 3417 | if (ret < 0) |
e78a287a | 3418 | goto out; |
b84a7d3d JO |
3419 | |
3420 | /* restore the bssid filter and go to dummy bssid */ | |
30df14d0 | 3421 | if (was_assoc) { |
251c177f EP |
3422 | u32 conf_flags = wl->hw->conf.flags; |
3423 | /* | |
3424 | * we might have to disable roc, if there was | |
3425 | * no IF_OPER_UP notification. | |
3426 | */ | |
3427 | if (!was_ifup) { | |
3428 | ret = wl12xx_croc(wl, wl->role_id); | |
3429 | if (ret < 0) | |
3430 | goto out; | |
3431 | } | |
3432 | /* | |
3433 | * (we also need to disable roc in case of | |
3434 | * roaming on the same channel. until we will | |
3435 | * have a better flow...) | |
3436 | */ | |
3437 | if (test_bit(wl->dev_role_id, wl->roc_map)) { | |
3438 | ret = wl12xx_croc(wl, wl->dev_role_id); | |
3439 | if (ret < 0) | |
3440 | goto out; | |
3441 | } | |
3442 | ||
30df14d0 | 3443 | wl1271_unjoin(wl); |
251c177f EP |
3444 | if (!(conf_flags & IEEE80211_CONF_IDLE)) { |
3445 | wl12xx_cmd_role_start_dev(wl); | |
3446 | wl12xx_roc(wl, wl->dev_role_id); | |
3447 | } | |
30df14d0 | 3448 | } |
f5fc0f86 | 3449 | } |
f5fc0f86 LC |
3450 | } |
3451 | ||
d192d268 EP |
3452 | if (changed & BSS_CHANGED_IBSS) { |
3453 | wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", | |
3454 | bss_conf->ibss_joined); | |
3455 | ||
3456 | if (bss_conf->ibss_joined) { | |
3457 | u32 rates = bss_conf->basic_rates; | |
3458 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, | |
3459 | rates); | |
3460 | wl->basic_rate = wl1271_tx_min_rate_get(wl); | |
3461 | ||
3462 | /* by default, use 11b rates */ | |
3463 | wl->rate_set = CONF_TX_IBSS_DEFAULT_RATES; | |
3464 | ret = wl1271_acx_sta_rate_policies(wl); | |
3465 | if (ret < 0) | |
3466 | goto out; | |
3467 | } | |
3468 | } | |
3469 | ||
e78a287a AN |
3470 | ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed); |
3471 | if (ret < 0) | |
3472 | goto out; | |
f5fc0f86 | 3473 | |
ca52a5eb JO |
3474 | if (changed & BSS_CHANGED_ARP_FILTER) { |
3475 | __be32 addr = bss_conf->arp_addr_list[0]; | |
3476 | WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); | |
3477 | ||
c5312772 EP |
3478 | if (bss_conf->arp_addr_cnt == 1 && |
3479 | bss_conf->arp_filter_enabled) { | |
3480 | /* | |
3481 | * The template should have been configured only upon | |
3482 | * association. however, it seems that the correct ip | |
3483 | * isn't being set (when sending), so we have to | |
3484 | * reconfigure the template upon every ip change. | |
3485 | */ | |
3486 | ret = wl1271_cmd_build_arp_rsp(wl, addr); | |
3487 | if (ret < 0) { | |
3488 | wl1271_warning("build arp rsp failed: %d", ret); | |
e78a287a | 3489 | goto out; |
c5312772 EP |
3490 | } |
3491 | ||
3492 | ret = wl1271_acx_arp_ip_filter(wl, | |
e5e2f24b | 3493 | ACX_ARP_FILTER_ARP_FILTERING, |
c5312772 EP |
3494 | addr); |
3495 | } else | |
3496 | ret = wl1271_acx_arp_ip_filter(wl, 0, addr); | |
ca52a5eb JO |
3497 | |
3498 | if (ret < 0) | |
e78a287a | 3499 | goto out; |
ca52a5eb JO |
3500 | } |
3501 | ||
8bf29b0e | 3502 | if (do_join) { |
69e5434c | 3503 | ret = wl1271_join(wl, set_assoc); |
8bf29b0e JO |
3504 | if (ret < 0) { |
3505 | wl1271_warning("cmd join failed %d", ret); | |
e78a287a | 3506 | goto out; |
8bf29b0e | 3507 | } |
251c177f EP |
3508 | |
3509 | /* ROC until connected (after EAPOL exchange) */ | |
3510 | if (!is_ibss) { | |
3511 | ret = wl12xx_roc(wl, wl->role_id); | |
3512 | if (ret < 0) | |
3513 | goto out; | |
3514 | ||
3515 | wl1271_check_operstate(wl, | |
3516 | ieee80211_get_operstate(vif)); | |
3517 | } | |
3518 | /* | |
3519 | * stop device role if started (we might already be in | |
3520 | * STA role). TODO: make it better. | |
3521 | */ | |
3522 | if (wl->dev_role_id != WL12XX_INVALID_ROLE_ID) { | |
3523 | ret = wl12xx_croc(wl, wl->dev_role_id); | |
3524 | if (ret < 0) | |
3525 | goto out; | |
3526 | ||
3527 | ret = wl12xx_cmd_role_stop_dev(wl); | |
3528 | if (ret < 0) | |
3529 | goto out; | |
3530 | } | |
05dba355 EP |
3531 | |
3532 | /* If we want to go in PSM but we're not there yet */ | |
3533 | if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) && | |
3534 | !test_bit(WL1271_FLAG_PSM, &wl->flags)) { | |
3535 | enum wl1271_cmd_ps_mode mode; | |
3536 | ||
3537 | mode = STATION_POWER_SAVE_MODE; | |
3538 | ret = wl1271_ps_set_mode(wl, mode, | |
3539 | wl->basic_rate, | |
3540 | true); | |
3541 | if (ret < 0) | |
3542 | goto out; | |
3543 | } | |
c1899554 JO |
3544 | } |
3545 | ||
0b932ab9 | 3546 | /* Handle new association with HT. Do this after join. */ |
0f9c8250 AN |
3547 | if (sta_exists) { |
3548 | if ((changed & BSS_CHANGED_HT) && | |
3549 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { | |
0b932ab9 AN |
3550 | ret = wl1271_acx_set_ht_capabilities(wl, |
3551 | &sta_ht_cap, | |
3552 | true, | |
3553 | wl->sta_hlid); | |
0f9c8250 AN |
3554 | if (ret < 0) { |
3555 | wl1271_warning("Set ht cap true failed %d", | |
3556 | ret); | |
3557 | goto out; | |
3558 | } | |
3559 | } | |
3560 | /* handle new association without HT and disassociation */ | |
3561 | else if (changed & BSS_CHANGED_ASSOC) { | |
0b932ab9 AN |
3562 | ret = wl1271_acx_set_ht_capabilities(wl, |
3563 | &sta_ht_cap, | |
3564 | false, | |
3565 | wl->sta_hlid); | |
0f9c8250 AN |
3566 | if (ret < 0) { |
3567 | wl1271_warning("Set ht cap false failed %d", | |
3568 | ret); | |
3569 | goto out; | |
3570 | } | |
3571 | } | |
3572 | } | |
3573 | ||
0b932ab9 AN |
3574 | /* Handle HT information change. Done after join. */ |
3575 | if ((changed & BSS_CHANGED_HT) && | |
0f9c8250 AN |
3576 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { |
3577 | ret = wl1271_acx_set_ht_information(wl, | |
3578 | bss_conf->ht_operation_mode); | |
3579 | if (ret < 0) { | |
3580 | wl1271_warning("Set ht information failed %d", ret); | |
3581 | goto out; | |
3582 | } | |
3583 | } | |
3584 | ||
e78a287a AN |
3585 | out: |
3586 | return; | |
3587 | } | |
3588 | ||
3589 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, | |
3590 | struct ieee80211_vif *vif, | |
3591 | struct ieee80211_bss_conf *bss_conf, | |
3592 | u32 changed) | |
3593 | { | |
3594 | struct wl1271 *wl = hw->priv; | |
3595 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); | |
3596 | int ret; | |
3597 | ||
3598 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed 0x%x", | |
3599 | (int)changed); | |
3600 | ||
3601 | mutex_lock(&wl->mutex); | |
3602 | ||
3603 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
3604 | goto out; | |
3605 | ||
a620865e | 3606 | ret = wl1271_ps_elp_wakeup(wl); |
e78a287a AN |
3607 | if (ret < 0) |
3608 | goto out; | |
3609 | ||
3610 | if (is_ap) | |
3611 | wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed); | |
3612 | else | |
3613 | wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed); | |
3614 | ||
f5fc0f86 LC |
3615 | wl1271_ps_elp_sleep(wl); |
3616 | ||
3617 | out: | |
3618 | mutex_unlock(&wl->mutex); | |
3619 | } | |
3620 | ||
c6999d83 KV |
3621 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, |
3622 | const struct ieee80211_tx_queue_params *params) | |
3623 | { | |
3624 | struct wl1271 *wl = hw->priv; | |
4695dc91 | 3625 | u8 ps_scheme; |
488fc540 | 3626 | int ret = 0; |
c6999d83 KV |
3627 | |
3628 | mutex_lock(&wl->mutex); | |
3629 | ||
3630 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
3631 | ||
4695dc91 KV |
3632 | if (params->uapsd) |
3633 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; | |
3634 | else | |
3635 | ps_scheme = CONF_PS_SCHEME_LEGACY; | |
3636 | ||
488fc540 AN |
3637 | if (wl->state == WL1271_STATE_OFF) { |
3638 | /* | |
3639 | * If the state is off, the parameters will be recorded and | |
3640 | * configured on init. This happens in AP-mode. | |
3641 | */ | |
3642 | struct conf_tx_ac_category *conf_ac = | |
3643 | &wl->conf.tx.ac_conf[wl1271_tx_get_queue(queue)]; | |
3644 | struct conf_tx_tid *conf_tid = | |
3645 | &wl->conf.tx.tid_conf[wl1271_tx_get_queue(queue)]; | |
3646 | ||
3647 | conf_ac->ac = wl1271_tx_get_queue(queue); | |
3648 | conf_ac->cw_min = (u8)params->cw_min; | |
3649 | conf_ac->cw_max = params->cw_max; | |
3650 | conf_ac->aifsn = params->aifs; | |
3651 | conf_ac->tx_op_limit = params->txop << 5; | |
3652 | ||
3653 | conf_tid->queue_id = wl1271_tx_get_queue(queue); | |
3654 | conf_tid->channel_type = CONF_CHANNEL_TYPE_EDCF; | |
3655 | conf_tid->tsid = wl1271_tx_get_queue(queue); | |
3656 | conf_tid->ps_scheme = ps_scheme; | |
3657 | conf_tid->ack_policy = CONF_ACK_POLICY_LEGACY; | |
3658 | conf_tid->apsd_conf[0] = 0; | |
3659 | conf_tid->apsd_conf[1] = 0; | |
c1b193eb EP |
3660 | goto out; |
3661 | } | |
488fc540 | 3662 | |
c1b193eb EP |
3663 | ret = wl1271_ps_elp_wakeup(wl); |
3664 | if (ret < 0) | |
3665 | goto out; | |
488fc540 | 3666 | |
c1b193eb EP |
3667 | /* |
3668 | * the txop is confed in units of 32us by the mac80211, | |
3669 | * we need us | |
3670 | */ | |
3671 | ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue), | |
3672 | params->cw_min, params->cw_max, | |
3673 | params->aifs, params->txop << 5); | |
3674 | if (ret < 0) | |
3675 | goto out_sleep; | |
3676 | ||
3677 | ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue), | |
3678 | CONF_CHANNEL_TYPE_EDCF, | |
3679 | wl1271_tx_get_queue(queue), | |
3680 | ps_scheme, CONF_ACK_POLICY_LEGACY, | |
3681 | 0, 0); | |
c82c1dde KV |
3682 | |
3683 | out_sleep: | |
c1b193eb | 3684 | wl1271_ps_elp_sleep(wl); |
c6999d83 KV |
3685 | |
3686 | out: | |
3687 | mutex_unlock(&wl->mutex); | |
3688 | ||
3689 | return ret; | |
3690 | } | |
3691 | ||
bbbb538e JO |
3692 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw) |
3693 | { | |
3694 | ||
3695 | struct wl1271 *wl = hw->priv; | |
3696 | u64 mactime = ULLONG_MAX; | |
3697 | int ret; | |
3698 | ||
3699 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); | |
3700 | ||
3701 | mutex_lock(&wl->mutex); | |
3702 | ||
f8d9802f JO |
3703 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
3704 | goto out; | |
3705 | ||
a620865e | 3706 | ret = wl1271_ps_elp_wakeup(wl); |
bbbb538e JO |
3707 | if (ret < 0) |
3708 | goto out; | |
3709 | ||
3710 | ret = wl1271_acx_tsf_info(wl, &mactime); | |
3711 | if (ret < 0) | |
3712 | goto out_sleep; | |
3713 | ||
3714 | out_sleep: | |
3715 | wl1271_ps_elp_sleep(wl); | |
3716 | ||
3717 | out: | |
3718 | mutex_unlock(&wl->mutex); | |
3719 | return mactime; | |
3720 | } | |
f5fc0f86 | 3721 | |
ece550d0 JL |
3722 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
3723 | struct survey_info *survey) | |
3724 | { | |
3725 | struct wl1271 *wl = hw->priv; | |
3726 | struct ieee80211_conf *conf = &hw->conf; | |
b739a42c | 3727 | |
ece550d0 JL |
3728 | if (idx != 0) |
3729 | return -ENOENT; | |
b739a42c | 3730 | |
ece550d0 JL |
3731 | survey->channel = conf->channel; |
3732 | survey->filled = SURVEY_INFO_NOISE_DBM; | |
3733 | survey->noise = wl->noise; | |
b739a42c | 3734 | |
ece550d0 JL |
3735 | return 0; |
3736 | } | |
3737 | ||
409622ec | 3738 | static int wl1271_allocate_sta(struct wl1271 *wl, |
f84f7d78 AN |
3739 | struct ieee80211_sta *sta, |
3740 | u8 *hlid) | |
3741 | { | |
3742 | struct wl1271_station *wl_sta; | |
3743 | int id; | |
3744 | ||
3745 | id = find_first_zero_bit(wl->ap_hlid_map, AP_MAX_STATIONS); | |
3746 | if (id >= AP_MAX_STATIONS) { | |
3747 | wl1271_warning("could not allocate HLID - too much stations"); | |
3748 | return -EBUSY; | |
3749 | } | |
3750 | ||
3751 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
04216da3 | 3752 | set_bit(id, wl->ap_hlid_map); |
f84f7d78 AN |
3753 | wl_sta->hlid = WL1271_AP_STA_HLID_START + id; |
3754 | *hlid = wl_sta->hlid; | |
b622d992 | 3755 | memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); |
da03209e | 3756 | wl->active_sta_count++; |
f84f7d78 AN |
3757 | return 0; |
3758 | } | |
3759 | ||
f1acea9a | 3760 | void wl1271_free_sta(struct wl1271 *wl, u8 hlid) |
f84f7d78 AN |
3761 | { |
3762 | int id = hlid - WL1271_AP_STA_HLID_START; | |
3763 | ||
f1acea9a AN |
3764 | if (hlid < WL1271_AP_STA_HLID_START) |
3765 | return; | |
3766 | ||
3767 | if (!test_bit(id, wl->ap_hlid_map)) | |
409622ec AN |
3768 | return; |
3769 | ||
04216da3 | 3770 | clear_bit(id, wl->ap_hlid_map); |
b622d992 | 3771 | memset(wl->links[hlid].addr, 0, ETH_ALEN); |
0f9c8250 | 3772 | wl->links[hlid].ba_bitmap = 0; |
a8c0ddb5 | 3773 | wl1271_tx_reset_link_queues(wl, hlid); |
b622d992 AN |
3774 | __clear_bit(hlid, &wl->ap_ps_map); |
3775 | __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); | |
da03209e | 3776 | wl->active_sta_count--; |
f84f7d78 AN |
3777 | } |
3778 | ||
3779 | static int wl1271_op_sta_add(struct ieee80211_hw *hw, | |
3780 | struct ieee80211_vif *vif, | |
3781 | struct ieee80211_sta *sta) | |
3782 | { | |
3783 | struct wl1271 *wl = hw->priv; | |
3784 | int ret = 0; | |
3785 | u8 hlid; | |
3786 | ||
3787 | mutex_lock(&wl->mutex); | |
3788 | ||
3789 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
3790 | goto out; | |
3791 | ||
3792 | if (wl->bss_type != BSS_TYPE_AP_BSS) | |
3793 | goto out; | |
3794 | ||
3795 | wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid); | |
3796 | ||
409622ec | 3797 | ret = wl1271_allocate_sta(wl, sta, &hlid); |
f84f7d78 AN |
3798 | if (ret < 0) |
3799 | goto out; | |
3800 | ||
a620865e | 3801 | ret = wl1271_ps_elp_wakeup(wl); |
f84f7d78 | 3802 | if (ret < 0) |
409622ec | 3803 | goto out_free_sta; |
f84f7d78 | 3804 | |
c690ec81 | 3805 | ret = wl12xx_cmd_add_peer(wl, sta, hlid); |
f84f7d78 AN |
3806 | if (ret < 0) |
3807 | goto out_sleep; | |
3808 | ||
b67476ef EP |
3809 | ret = wl12xx_cmd_set_peer_state(wl, hlid); |
3810 | if (ret < 0) | |
3811 | goto out_sleep; | |
3812 | ||
0b932ab9 AN |
3813 | ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true, hlid); |
3814 | if (ret < 0) | |
3815 | goto out_sleep; | |
3816 | ||
f84f7d78 AN |
3817 | out_sleep: |
3818 | wl1271_ps_elp_sleep(wl); | |
3819 | ||
409622ec AN |
3820 | out_free_sta: |
3821 | if (ret < 0) | |
3822 | wl1271_free_sta(wl, hlid); | |
3823 | ||
f84f7d78 AN |
3824 | out: |
3825 | mutex_unlock(&wl->mutex); | |
3826 | return ret; | |
3827 | } | |
3828 | ||
3829 | static int wl1271_op_sta_remove(struct ieee80211_hw *hw, | |
3830 | struct ieee80211_vif *vif, | |
3831 | struct ieee80211_sta *sta) | |
3832 | { | |
3833 | struct wl1271 *wl = hw->priv; | |
3834 | struct wl1271_station *wl_sta; | |
3835 | int ret = 0, id; | |
3836 | ||
3837 | mutex_lock(&wl->mutex); | |
3838 | ||
3839 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
3840 | goto out; | |
3841 | ||
3842 | if (wl->bss_type != BSS_TYPE_AP_BSS) | |
3843 | goto out; | |
3844 | ||
3845 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid); | |
3846 | ||
3847 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
3848 | id = wl_sta->hlid - WL1271_AP_STA_HLID_START; | |
3849 | if (WARN_ON(!test_bit(id, wl->ap_hlid_map))) | |
3850 | goto out; | |
3851 | ||
a620865e | 3852 | ret = wl1271_ps_elp_wakeup(wl); |
f84f7d78 AN |
3853 | if (ret < 0) |
3854 | goto out; | |
3855 | ||
c690ec81 | 3856 | ret = wl12xx_cmd_remove_peer(wl, wl_sta->hlid); |
f84f7d78 AN |
3857 | if (ret < 0) |
3858 | goto out_sleep; | |
3859 | ||
409622ec | 3860 | wl1271_free_sta(wl, wl_sta->hlid); |
f84f7d78 AN |
3861 | |
3862 | out_sleep: | |
3863 | wl1271_ps_elp_sleep(wl); | |
3864 | ||
3865 | out: | |
3866 | mutex_unlock(&wl->mutex); | |
3867 | return ret; | |
3868 | } | |
3869 | ||
4623ec7d LC |
3870 | static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, |
3871 | struct ieee80211_vif *vif, | |
3872 | enum ieee80211_ampdu_mlme_action action, | |
3873 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
3874 | u8 buf_size) | |
bbba3e68 LS |
3875 | { |
3876 | struct wl1271 *wl = hw->priv; | |
3877 | int ret; | |
0f9c8250 AN |
3878 | u8 hlid, *ba_bitmap; |
3879 | ||
3880 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu action %d tid %d", action, | |
3881 | tid); | |
3882 | ||
3883 | /* sanity check - the fields in FW are only 8bits wide */ | |
3884 | if (WARN_ON(tid > 0xFF)) | |
3885 | return -ENOTSUPP; | |
bbba3e68 LS |
3886 | |
3887 | mutex_lock(&wl->mutex); | |
3888 | ||
3889 | if (unlikely(wl->state == WL1271_STATE_OFF)) { | |
3890 | ret = -EAGAIN; | |
3891 | goto out; | |
3892 | } | |
3893 | ||
0f9c8250 AN |
3894 | if (wl->bss_type == BSS_TYPE_STA_BSS) { |
3895 | hlid = wl->sta_hlid; | |
3896 | ba_bitmap = &wl->ba_rx_bitmap; | |
3897 | } else if (wl->bss_type == BSS_TYPE_AP_BSS) { | |
3898 | struct wl1271_station *wl_sta; | |
3899 | ||
3900 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
3901 | hlid = wl_sta->hlid; | |
3902 | ba_bitmap = &wl->links[hlid].ba_bitmap; | |
3903 | } else { | |
3904 | ret = -EINVAL; | |
3905 | goto out; | |
3906 | } | |
3907 | ||
a620865e | 3908 | ret = wl1271_ps_elp_wakeup(wl); |
bbba3e68 LS |
3909 | if (ret < 0) |
3910 | goto out; | |
3911 | ||
70559a06 SL |
3912 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d", |
3913 | tid, action); | |
3914 | ||
bbba3e68 LS |
3915 | switch (action) { |
3916 | case IEEE80211_AMPDU_RX_START: | |
0f9c8250 | 3917 | if (!wl->ba_support || !wl->ba_allowed) { |
bbba3e68 | 3918 | ret = -ENOTSUPP; |
0f9c8250 AN |
3919 | break; |
3920 | } | |
3921 | ||
3922 | if (wl->ba_rx_session_count >= RX_BA_MAX_SESSIONS) { | |
3923 | ret = -EBUSY; | |
3924 | wl1271_error("exceeded max RX BA sessions"); | |
3925 | break; | |
3926 | } | |
3927 | ||
3928 | if (*ba_bitmap & BIT(tid)) { | |
3929 | ret = -EINVAL; | |
3930 | wl1271_error("cannot enable RX BA session on active " | |
3931 | "tid: %d", tid); | |
3932 | break; | |
3933 | } | |
3934 | ||
3935 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, *ssn, true, | |
3936 | hlid); | |
3937 | if (!ret) { | |
3938 | *ba_bitmap |= BIT(tid); | |
3939 | wl->ba_rx_session_count++; | |
bbba3e68 LS |
3940 | } |
3941 | break; | |
3942 | ||
3943 | case IEEE80211_AMPDU_RX_STOP: | |
0f9c8250 AN |
3944 | if (!(*ba_bitmap & BIT(tid))) { |
3945 | ret = -EINVAL; | |
3946 | wl1271_error("no active RX BA session on tid: %d", | |
3947 | tid); | |
3948 | break; | |
3949 | } | |
3950 | ||
3951 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, 0, false, | |
3952 | hlid); | |
3953 | if (!ret) { | |
3954 | *ba_bitmap &= ~BIT(tid); | |
3955 | wl->ba_rx_session_count--; | |
3956 | } | |
bbba3e68 LS |
3957 | break; |
3958 | ||
3959 | /* | |
3960 | * The BA initiator session management in FW independently. | |
3961 | * Falling break here on purpose for all TX APDU commands. | |
3962 | */ | |
3963 | case IEEE80211_AMPDU_TX_START: | |
3964 | case IEEE80211_AMPDU_TX_STOP: | |
3965 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
3966 | ret = -EINVAL; | |
3967 | break; | |
3968 | ||
3969 | default: | |
3970 | wl1271_error("Incorrect ampdu action id=%x\n", action); | |
3971 | ret = -EINVAL; | |
3972 | } | |
3973 | ||
3974 | wl1271_ps_elp_sleep(wl); | |
3975 | ||
3976 | out: | |
3977 | mutex_unlock(&wl->mutex); | |
3978 | ||
3979 | return ret; | |
3980 | } | |
3981 | ||
33437893 AN |
3982 | static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) |
3983 | { | |
3984 | struct wl1271 *wl = hw->priv; | |
3985 | bool ret = false; | |
3986 | ||
3987 | mutex_lock(&wl->mutex); | |
3988 | ||
3989 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
3990 | goto out; | |
3991 | ||
3992 | /* packets are considered pending if in the TX queue or the FW */ | |
f1a46384 | 3993 | ret = (wl1271_tx_total_queue_count(wl) > 0) || (wl->tx_frames_cnt > 0); |
33437893 AN |
3994 | |
3995 | /* the above is appropriate for STA mode for PS purposes */ | |
3996 | WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); | |
3997 | ||
3998 | out: | |
3999 | mutex_unlock(&wl->mutex); | |
4000 | ||
4001 | return ret; | |
4002 | } | |
4003 | ||
f5fc0f86 LC |
4004 | /* can't be const, mac80211 writes to this */ |
4005 | static struct ieee80211_rate wl1271_rates[] = { | |
4006 | { .bitrate = 10, | |
2b60100b JO |
4007 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
4008 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 4009 | { .bitrate = 20, |
2b60100b JO |
4010 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
4011 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
4012 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
4013 | { .bitrate = 55, | |
2b60100b JO |
4014 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
4015 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
4016 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
4017 | { .bitrate = 110, | |
2b60100b JO |
4018 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
4019 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
4020 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
4021 | { .bitrate = 60, | |
2b60100b JO |
4022 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
4023 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 4024 | { .bitrate = 90, |
2b60100b JO |
4025 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
4026 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 4027 | { .bitrate = 120, |
2b60100b JO |
4028 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
4029 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 4030 | { .bitrate = 180, |
2b60100b JO |
4031 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
4032 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 4033 | { .bitrate = 240, |
2b60100b JO |
4034 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
4035 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 4036 | { .bitrate = 360, |
2b60100b JO |
4037 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
4038 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 4039 | { .bitrate = 480, |
2b60100b JO |
4040 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
4041 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 4042 | { .bitrate = 540, |
2b60100b JO |
4043 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
4044 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
4045 | }; |
4046 | ||
fa97f46b | 4047 | /* can't be const, mac80211 writes to this */ |
f5fc0f86 | 4048 | static struct ieee80211_channel wl1271_channels[] = { |
a2d0e3f1 | 4049 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
fa21c7a9 | 4050 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, |
fa97f46b JO |
4051 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, |
4052 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, | |
4053 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, | |
fa21c7a9 | 4054 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, |
fa97f46b JO |
4055 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, |
4056 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, | |
4057 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, | |
fa21c7a9 | 4058 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, |
fa97f46b JO |
4059 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, |
4060 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, | |
4061 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, | |
6c89b7b2 | 4062 | { .hw_value = 14, .center_freq = 2484, .max_power = 25 }, |
f5fc0f86 LC |
4063 | }; |
4064 | ||
f876bb9a | 4065 | /* mapping to indexes for wl1271_rates */ |
a0ea9493 | 4066 | static const u8 wl1271_rate_to_idx_2ghz[] = { |
f876bb9a | 4067 | /* MCS rates are used only with 11n */ |
18357850 SL |
4068 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
4069 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ | |
4070 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ | |
4071 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ | |
4072 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ | |
4073 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ | |
4074 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ | |
4075 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ | |
f876bb9a JO |
4076 | |
4077 | 11, /* CONF_HW_RXTX_RATE_54 */ | |
4078 | 10, /* CONF_HW_RXTX_RATE_48 */ | |
4079 | 9, /* CONF_HW_RXTX_RATE_36 */ | |
4080 | 8, /* CONF_HW_RXTX_RATE_24 */ | |
4081 | ||
4082 | /* TI-specific rate */ | |
4083 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ | |
4084 | ||
4085 | 7, /* CONF_HW_RXTX_RATE_18 */ | |
4086 | 6, /* CONF_HW_RXTX_RATE_12 */ | |
4087 | 3, /* CONF_HW_RXTX_RATE_11 */ | |
4088 | 5, /* CONF_HW_RXTX_RATE_9 */ | |
4089 | 4, /* CONF_HW_RXTX_RATE_6 */ | |
4090 | 2, /* CONF_HW_RXTX_RATE_5_5 */ | |
4091 | 1, /* CONF_HW_RXTX_RATE_2 */ | |
4092 | 0 /* CONF_HW_RXTX_RATE_1 */ | |
4093 | }; | |
4094 | ||
e8b03a2b SL |
4095 | /* 11n STA capabilities */ |
4096 | #define HW_RX_HIGHEST_RATE 72 | |
4097 | ||
00d20100 | 4098 | #define WL12XX_HT_CAP { \ |
871d0c3b SL |
4099 | .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | \ |
4100 | (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT), \ | |
e8b03a2b SL |
4101 | .ht_supported = true, \ |
4102 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, \ | |
4103 | .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, \ | |
4104 | .mcs = { \ | |
4105 | .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, \ | |
4106 | .rx_highest = cpu_to_le16(HW_RX_HIGHEST_RATE), \ | |
4107 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED, \ | |
4108 | }, \ | |
4109 | } | |
4110 | ||
f5fc0f86 LC |
4111 | /* can't be const, mac80211 writes to this */ |
4112 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
4113 | .channels = wl1271_channels, | |
4114 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
4115 | .bitrates = wl1271_rates, | |
4116 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
00d20100 | 4117 | .ht_cap = WL12XX_HT_CAP, |
f5fc0f86 LC |
4118 | }; |
4119 | ||
1ebec3d7 TP |
4120 | /* 5 GHz data rates for WL1273 */ |
4121 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
4122 | { .bitrate = 60, | |
4123 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
4124 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
4125 | { .bitrate = 90, | |
4126 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
4127 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
4128 | { .bitrate = 120, | |
4129 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
4130 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
4131 | { .bitrate = 180, | |
4132 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
4133 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
4134 | { .bitrate = 240, | |
4135 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
4136 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
4137 | { .bitrate = 360, | |
4138 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
4139 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
4140 | { .bitrate = 480, | |
4141 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
4142 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
4143 | { .bitrate = 540, | |
4144 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
4145 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
4146 | }; | |
4147 | ||
fa97f46b | 4148 | /* 5 GHz band channels for WL1273 */ |
1ebec3d7 | 4149 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
6cfa5cff AN |
4150 | { .hw_value = 7, .center_freq = 5035, .max_power = 25 }, |
4151 | { .hw_value = 8, .center_freq = 5040, .max_power = 25 }, | |
4152 | { .hw_value = 9, .center_freq = 5045, .max_power = 25 }, | |
4153 | { .hw_value = 11, .center_freq = 5055, .max_power = 25 }, | |
4154 | { .hw_value = 12, .center_freq = 5060, .max_power = 25 }, | |
4155 | { .hw_value = 16, .center_freq = 5080, .max_power = 25 }, | |
4156 | { .hw_value = 34, .center_freq = 5170, .max_power = 25 }, | |
4157 | { .hw_value = 36, .center_freq = 5180, .max_power = 25 }, | |
4158 | { .hw_value = 38, .center_freq = 5190, .max_power = 25 }, | |
4159 | { .hw_value = 40, .center_freq = 5200, .max_power = 25 }, | |
4160 | { .hw_value = 42, .center_freq = 5210, .max_power = 25 }, | |
4161 | { .hw_value = 44, .center_freq = 5220, .max_power = 25 }, | |
4162 | { .hw_value = 46, .center_freq = 5230, .max_power = 25 }, | |
4163 | { .hw_value = 48, .center_freq = 5240, .max_power = 25 }, | |
4164 | { .hw_value = 52, .center_freq = 5260, .max_power = 25 }, | |
4165 | { .hw_value = 56, .center_freq = 5280, .max_power = 25 }, | |
4166 | { .hw_value = 60, .center_freq = 5300, .max_power = 25 }, | |
4167 | { .hw_value = 64, .center_freq = 5320, .max_power = 25 }, | |
4168 | { .hw_value = 100, .center_freq = 5500, .max_power = 25 }, | |
4169 | { .hw_value = 104, .center_freq = 5520, .max_power = 25 }, | |
4170 | { .hw_value = 108, .center_freq = 5540, .max_power = 25 }, | |
4171 | { .hw_value = 112, .center_freq = 5560, .max_power = 25 }, | |
4172 | { .hw_value = 116, .center_freq = 5580, .max_power = 25 }, | |
4173 | { .hw_value = 120, .center_freq = 5600, .max_power = 25 }, | |
4174 | { .hw_value = 124, .center_freq = 5620, .max_power = 25 }, | |
4175 | { .hw_value = 128, .center_freq = 5640, .max_power = 25 }, | |
4176 | { .hw_value = 132, .center_freq = 5660, .max_power = 25 }, | |
4177 | { .hw_value = 136, .center_freq = 5680, .max_power = 25 }, | |
4178 | { .hw_value = 140, .center_freq = 5700, .max_power = 25 }, | |
4179 | { .hw_value = 149, .center_freq = 5745, .max_power = 25 }, | |
4180 | { .hw_value = 153, .center_freq = 5765, .max_power = 25 }, | |
4181 | { .hw_value = 157, .center_freq = 5785, .max_power = 25 }, | |
4182 | { .hw_value = 161, .center_freq = 5805, .max_power = 25 }, | |
4183 | { .hw_value = 165, .center_freq = 5825, .max_power = 25 }, | |
1ebec3d7 TP |
4184 | }; |
4185 | ||
f876bb9a | 4186 | /* mapping to indexes for wl1271_rates_5ghz */ |
a0ea9493 | 4187 | static const u8 wl1271_rate_to_idx_5ghz[] = { |
f876bb9a | 4188 | /* MCS rates are used only with 11n */ |
18357850 SL |
4189 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
4190 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ | |
4191 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ | |
4192 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ | |
4193 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ | |
4194 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ | |
4195 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ | |
4196 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ | |
f876bb9a JO |
4197 | |
4198 | 7, /* CONF_HW_RXTX_RATE_54 */ | |
4199 | 6, /* CONF_HW_RXTX_RATE_48 */ | |
4200 | 5, /* CONF_HW_RXTX_RATE_36 */ | |
4201 | 4, /* CONF_HW_RXTX_RATE_24 */ | |
4202 | ||
4203 | /* TI-specific rate */ | |
4204 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ | |
4205 | ||
4206 | 3, /* CONF_HW_RXTX_RATE_18 */ | |
4207 | 2, /* CONF_HW_RXTX_RATE_12 */ | |
4208 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */ | |
4209 | 1, /* CONF_HW_RXTX_RATE_9 */ | |
4210 | 0, /* CONF_HW_RXTX_RATE_6 */ | |
4211 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */ | |
4212 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */ | |
4213 | CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */ | |
4214 | }; | |
1ebec3d7 TP |
4215 | |
4216 | static struct ieee80211_supported_band wl1271_band_5ghz = { | |
4217 | .channels = wl1271_channels_5ghz, | |
4218 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
4219 | .bitrates = wl1271_rates_5ghz, | |
4220 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
00d20100 | 4221 | .ht_cap = WL12XX_HT_CAP, |
1ebec3d7 TP |
4222 | }; |
4223 | ||
a0ea9493 | 4224 | static const u8 *wl1271_band_rate_to_idx[] = { |
f876bb9a JO |
4225 | [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz, |
4226 | [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz | |
4227 | }; | |
4228 | ||
f5fc0f86 LC |
4229 | static const struct ieee80211_ops wl1271_ops = { |
4230 | .start = wl1271_op_start, | |
4231 | .stop = wl1271_op_stop, | |
4232 | .add_interface = wl1271_op_add_interface, | |
4233 | .remove_interface = wl1271_op_remove_interface, | |
f634a4e7 | 4234 | #ifdef CONFIG_PM |
402e4861 EP |
4235 | .suspend = wl1271_op_suspend, |
4236 | .resume = wl1271_op_resume, | |
f634a4e7 | 4237 | #endif |
f5fc0f86 | 4238 | .config = wl1271_op_config, |
c87dec9f | 4239 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
4240 | .configure_filter = wl1271_op_configure_filter, |
4241 | .tx = wl1271_op_tx, | |
4242 | .set_key = wl1271_op_set_key, | |
4243 | .hw_scan = wl1271_op_hw_scan, | |
73ecce31 | 4244 | .cancel_hw_scan = wl1271_op_cancel_hw_scan, |
33c2c06c LC |
4245 | .sched_scan_start = wl1271_op_sched_scan_start, |
4246 | .sched_scan_stop = wl1271_op_sched_scan_stop, | |
f5fc0f86 | 4247 | .bss_info_changed = wl1271_op_bss_info_changed, |
68d069c4 | 4248 | .set_frag_threshold = wl1271_op_set_frag_threshold, |
f5fc0f86 | 4249 | .set_rts_threshold = wl1271_op_set_rts_threshold, |
c6999d83 | 4250 | .conf_tx = wl1271_op_conf_tx, |
bbbb538e | 4251 | .get_tsf = wl1271_op_get_tsf, |
ece550d0 | 4252 | .get_survey = wl1271_op_get_survey, |
f84f7d78 AN |
4253 | .sta_add = wl1271_op_sta_add, |
4254 | .sta_remove = wl1271_op_sta_remove, | |
bbba3e68 | 4255 | .ampdu_action = wl1271_op_ampdu_action, |
33437893 | 4256 | .tx_frames_pending = wl1271_tx_frames_pending, |
c8c90873 | 4257 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
4258 | }; |
4259 | ||
f876bb9a | 4260 | |
6a2de93b | 4261 | u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band) |
f876bb9a JO |
4262 | { |
4263 | u8 idx; | |
4264 | ||
6a2de93b | 4265 | BUG_ON(band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *)); |
f876bb9a JO |
4266 | |
4267 | if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) { | |
4268 | wl1271_error("Illegal RX rate from HW: %d", rate); | |
4269 | return 0; | |
4270 | } | |
4271 | ||
6a2de93b | 4272 | idx = wl1271_band_rate_to_idx[band][rate]; |
f876bb9a JO |
4273 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { |
4274 | wl1271_error("Unsupported RX rate from HW: %d", rate); | |
4275 | return 0; | |
4276 | } | |
4277 | ||
4278 | return idx; | |
4279 | } | |
4280 | ||
7fc3a864 JO |
4281 | static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev, |
4282 | struct device_attribute *attr, | |
4283 | char *buf) | |
4284 | { | |
4285 | struct wl1271 *wl = dev_get_drvdata(dev); | |
4286 | ssize_t len; | |
4287 | ||
2f63b011 | 4288 | len = PAGE_SIZE; |
7fc3a864 JO |
4289 | |
4290 | mutex_lock(&wl->mutex); | |
4291 | len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n", | |
4292 | wl->sg_enabled); | |
4293 | mutex_unlock(&wl->mutex); | |
4294 | ||
4295 | return len; | |
4296 | ||
4297 | } | |
4298 | ||
4299 | static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev, | |
4300 | struct device_attribute *attr, | |
4301 | const char *buf, size_t count) | |
4302 | { | |
4303 | struct wl1271 *wl = dev_get_drvdata(dev); | |
4304 | unsigned long res; | |
4305 | int ret; | |
4306 | ||
6277ed65 | 4307 | ret = kstrtoul(buf, 10, &res); |
7fc3a864 JO |
4308 | if (ret < 0) { |
4309 | wl1271_warning("incorrect value written to bt_coex_mode"); | |
4310 | return count; | |
4311 | } | |
4312 | ||
4313 | mutex_lock(&wl->mutex); | |
4314 | ||
4315 | res = !!res; | |
4316 | ||
4317 | if (res == wl->sg_enabled) | |
4318 | goto out; | |
4319 | ||
4320 | wl->sg_enabled = res; | |
4321 | ||
4322 | if (wl->state == WL1271_STATE_OFF) | |
4323 | goto out; | |
4324 | ||
a620865e | 4325 | ret = wl1271_ps_elp_wakeup(wl); |
7fc3a864 JO |
4326 | if (ret < 0) |
4327 | goto out; | |
4328 | ||
4329 | wl1271_acx_sg_enable(wl, wl->sg_enabled); | |
4330 | wl1271_ps_elp_sleep(wl); | |
4331 | ||
4332 | out: | |
4333 | mutex_unlock(&wl->mutex); | |
4334 | return count; | |
4335 | } | |
4336 | ||
4337 | static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR, | |
4338 | wl1271_sysfs_show_bt_coex_state, | |
4339 | wl1271_sysfs_store_bt_coex_state); | |
4340 | ||
d717fd61 JO |
4341 | static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, |
4342 | struct device_attribute *attr, | |
4343 | char *buf) | |
4344 | { | |
4345 | struct wl1271 *wl = dev_get_drvdata(dev); | |
4346 | ssize_t len; | |
4347 | ||
2f63b011 | 4348 | len = PAGE_SIZE; |
d717fd61 JO |
4349 | |
4350 | mutex_lock(&wl->mutex); | |
4351 | if (wl->hw_pg_ver >= 0) | |
4352 | len = snprintf(buf, len, "%d\n", wl->hw_pg_ver); | |
4353 | else | |
4354 | len = snprintf(buf, len, "n/a\n"); | |
4355 | mutex_unlock(&wl->mutex); | |
4356 | ||
4357 | return len; | |
4358 | } | |
4359 | ||
6f07b72a | 4360 | static DEVICE_ATTR(hw_pg_ver, S_IRUGO, |
d717fd61 JO |
4361 | wl1271_sysfs_show_hw_pg_ver, NULL); |
4362 | ||
95dac04f IY |
4363 | static ssize_t wl1271_sysfs_read_fwlog(struct file *filp, struct kobject *kobj, |
4364 | struct bin_attribute *bin_attr, | |
4365 | char *buffer, loff_t pos, size_t count) | |
4366 | { | |
4367 | struct device *dev = container_of(kobj, struct device, kobj); | |
4368 | struct wl1271 *wl = dev_get_drvdata(dev); | |
4369 | ssize_t len; | |
4370 | int ret; | |
4371 | ||
4372 | ret = mutex_lock_interruptible(&wl->mutex); | |
4373 | if (ret < 0) | |
4374 | return -ERESTARTSYS; | |
4375 | ||
4376 | /* Let only one thread read the log at a time, blocking others */ | |
4377 | while (wl->fwlog_size == 0) { | |
4378 | DEFINE_WAIT(wait); | |
4379 | ||
4380 | prepare_to_wait_exclusive(&wl->fwlog_waitq, | |
4381 | &wait, | |
4382 | TASK_INTERRUPTIBLE); | |
4383 | ||
4384 | if (wl->fwlog_size != 0) { | |
4385 | finish_wait(&wl->fwlog_waitq, &wait); | |
4386 | break; | |
4387 | } | |
4388 | ||
4389 | mutex_unlock(&wl->mutex); | |
4390 | ||
4391 | schedule(); | |
4392 | finish_wait(&wl->fwlog_waitq, &wait); | |
4393 | ||
4394 | if (signal_pending(current)) | |
4395 | return -ERESTARTSYS; | |
4396 | ||
4397 | ret = mutex_lock_interruptible(&wl->mutex); | |
4398 | if (ret < 0) | |
4399 | return -ERESTARTSYS; | |
4400 | } | |
4401 | ||
4402 | /* Check if the fwlog is still valid */ | |
4403 | if (wl->fwlog_size < 0) { | |
4404 | mutex_unlock(&wl->mutex); | |
4405 | return 0; | |
4406 | } | |
4407 | ||
4408 | /* Seeking is not supported - old logs are not kept. Disregard pos. */ | |
4409 | len = min(count, (size_t)wl->fwlog_size); | |
4410 | wl->fwlog_size -= len; | |
4411 | memcpy(buffer, wl->fwlog, len); | |
4412 | ||
4413 | /* Make room for new messages */ | |
4414 | memmove(wl->fwlog, wl->fwlog + len, wl->fwlog_size); | |
4415 | ||
4416 | mutex_unlock(&wl->mutex); | |
4417 | ||
4418 | return len; | |
4419 | } | |
4420 | ||
4421 | static struct bin_attribute fwlog_attr = { | |
4422 | .attr = {.name = "fwlog", .mode = S_IRUSR}, | |
4423 | .read = wl1271_sysfs_read_fwlog, | |
4424 | }; | |
4425 | ||
2d5e82b8 | 4426 | int wl1271_register_hw(struct wl1271 *wl) |
f5fc0f86 LC |
4427 | { |
4428 | int ret; | |
4429 | ||
4430 | if (wl->mac80211_registered) | |
4431 | return 0; | |
4432 | ||
31d26ec6 AN |
4433 | ret = wl1271_fetch_nvs(wl); |
4434 | if (ret == 0) { | |
bc765bf3 SL |
4435 | /* NOTE: The wl->nvs->nvs element must be first, in |
4436 | * order to simplify the casting, we assume it is at | |
4437 | * the beginning of the wl->nvs structure. | |
4438 | */ | |
4439 | u8 *nvs_ptr = (u8 *)wl->nvs; | |
31d26ec6 AN |
4440 | |
4441 | wl->mac_addr[0] = nvs_ptr[11]; | |
4442 | wl->mac_addr[1] = nvs_ptr[10]; | |
4443 | wl->mac_addr[2] = nvs_ptr[6]; | |
4444 | wl->mac_addr[3] = nvs_ptr[5]; | |
4445 | wl->mac_addr[4] = nvs_ptr[4]; | |
4446 | wl->mac_addr[5] = nvs_ptr[3]; | |
4447 | } | |
4448 | ||
f5fc0f86 LC |
4449 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); |
4450 | ||
4451 | ret = ieee80211_register_hw(wl->hw); | |
4452 | if (ret < 0) { | |
4453 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
4454 | return ret; | |
4455 | } | |
4456 | ||
4457 | wl->mac80211_registered = true; | |
4458 | ||
d60080ae EP |
4459 | wl1271_debugfs_init(wl); |
4460 | ||
c2c192ac JO |
4461 | register_netdevice_notifier(&wl1271_dev_notifier); |
4462 | ||
f5fc0f86 LC |
4463 | wl1271_notice("loaded"); |
4464 | ||
4465 | return 0; | |
4466 | } | |
50b3eb4b | 4467 | EXPORT_SYMBOL_GPL(wl1271_register_hw); |
f5fc0f86 | 4468 | |
3b56dd6a TP |
4469 | void wl1271_unregister_hw(struct wl1271 *wl) |
4470 | { | |
4ae3fa87 JO |
4471 | if (wl->state == WL1271_STATE_PLT) |
4472 | __wl1271_plt_stop(wl); | |
4473 | ||
c2c192ac | 4474 | unregister_netdevice_notifier(&wl1271_dev_notifier); |
3b56dd6a TP |
4475 | ieee80211_unregister_hw(wl->hw); |
4476 | wl->mac80211_registered = false; | |
4477 | ||
4478 | } | |
4479 | EXPORT_SYMBOL_GPL(wl1271_unregister_hw); | |
4480 | ||
2d5e82b8 | 4481 | int wl1271_init_ieee80211(struct wl1271 *wl) |
f5fc0f86 | 4482 | { |
7a55724e JO |
4483 | static const u32 cipher_suites[] = { |
4484 | WLAN_CIPHER_SUITE_WEP40, | |
4485 | WLAN_CIPHER_SUITE_WEP104, | |
4486 | WLAN_CIPHER_SUITE_TKIP, | |
4487 | WLAN_CIPHER_SUITE_CCMP, | |
4488 | WL1271_CIPHER_SUITE_GEM, | |
4489 | }; | |
4490 | ||
1e2b7976 JO |
4491 | /* The tx descriptor buffer and the TKIP space. */ |
4492 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + | |
4493 | sizeof(struct wl1271_tx_hw_descr); | |
f5fc0f86 LC |
4494 | |
4495 | /* unit us */ | |
4496 | /* FIXME: find a proper value */ | |
4497 | wl->hw->channel_change_time = 10000; | |
50c500ad | 4498 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
f5fc0f86 LC |
4499 | |
4500 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
03442a33 | 4501 | IEEE80211_HW_BEACON_FILTER | |
0a34332f | 4502 | IEEE80211_HW_SUPPORTS_PS | |
4695dc91 | 4503 | IEEE80211_HW_SUPPORTS_UAPSD | |
a9af092b | 4504 | IEEE80211_HW_HAS_RATE_CONTROL | |
00236aed | 4505 | IEEE80211_HW_CONNECTION_MONITOR | |
62c0740c | 4506 | IEEE80211_HW_SUPPORTS_CQM_RSSI | |
25eaea30 | 4507 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
fcd23b63 | 4508 | IEEE80211_HW_SPECTRUM_MGMT | |
ba7c082a | 4509 | IEEE80211_HW_AP_LINK_PS; |
f5fc0f86 | 4510 | |
7a55724e JO |
4511 | wl->hw->wiphy->cipher_suites = cipher_suites; |
4512 | wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
4513 | ||
e0d8bbf0 | 4514 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
038d925b | 4515 | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP); |
f5fc0f86 | 4516 | wl->hw->wiphy->max_scan_ssids = 1; |
221737d2 LC |
4517 | wl->hw->wiphy->max_sched_scan_ssids = 16; |
4518 | wl->hw->wiphy->max_match_sets = 16; | |
ea559b46 GE |
4519 | /* |
4520 | * Maximum length of elements in scanning probe request templates | |
4521 | * should be the maximum length possible for a template, without | |
4522 | * the IEEE80211 header of the template | |
4523 | */ | |
154037d1 | 4524 | wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_DFLT_SIZE - |
ea559b46 | 4525 | sizeof(struct ieee80211_header); |
a8aaaf53 | 4526 | |
1ec23f7f EP |
4527 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; |
4528 | ||
4a31c11c LC |
4529 | /* make sure all our channels fit in the scanned_ch bitmask */ |
4530 | BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + | |
4531 | ARRAY_SIZE(wl1271_channels_5ghz) > | |
4532 | WL1271_MAX_CHANNELS); | |
a8aaaf53 LC |
4533 | /* |
4534 | * We keep local copies of the band structs because we need to | |
4535 | * modify them on a per-device basis. | |
4536 | */ | |
4537 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz, | |
4538 | sizeof(wl1271_band_2ghz)); | |
4539 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz, | |
4540 | sizeof(wl1271_band_5ghz)); | |
4541 | ||
4542 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = | |
4543 | &wl->bands[IEEE80211_BAND_2GHZ]; | |
4544 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = | |
4545 | &wl->bands[IEEE80211_BAND_5GHZ]; | |
1ebec3d7 | 4546 | |
12bd8949 | 4547 | wl->hw->queues = 4; |
31627dc5 | 4548 | wl->hw->max_rates = 1; |
12bd8949 | 4549 | |
b7417d93 JO |
4550 | wl->hw->wiphy->reg_notifier = wl1271_reg_notify; |
4551 | ||
8197b711 | 4552 | SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl)); |
f5fc0f86 | 4553 | |
f84f7d78 AN |
4554 | wl->hw->sta_data_size = sizeof(struct wl1271_station); |
4555 | ||
4c9cfa78 LC |
4556 | wl->hw->max_rx_aggregation_subframes = 8; |
4557 | ||
f5fc0f86 LC |
4558 | return 0; |
4559 | } | |
50b3eb4b | 4560 | EXPORT_SYMBOL_GPL(wl1271_init_ieee80211); |
f5fc0f86 | 4561 | |
f5fc0f86 | 4562 | #define WL1271_DEFAULT_CHANNEL 0 |
c332a4b8 | 4563 | |
2d5e82b8 | 4564 | struct ieee80211_hw *wl1271_alloc_hw(void) |
f5fc0f86 | 4565 | { |
f5fc0f86 | 4566 | struct ieee80211_hw *hw; |
3b56dd6a | 4567 | struct platform_device *plat_dev = NULL; |
f5fc0f86 | 4568 | struct wl1271 *wl; |
a8c0ddb5 | 4569 | int i, j, ret; |
1f37cbc9 | 4570 | unsigned int order; |
f5fc0f86 LC |
4571 | |
4572 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
4573 | if (!hw) { | |
4574 | wl1271_error("could not alloc ieee80211_hw"); | |
a1dd8187 | 4575 | ret = -ENOMEM; |
3b56dd6a TP |
4576 | goto err_hw_alloc; |
4577 | } | |
4578 | ||
929ebd30 | 4579 | plat_dev = kmemdup(&wl1271_device, sizeof(wl1271_device), GFP_KERNEL); |
3b56dd6a TP |
4580 | if (!plat_dev) { |
4581 | wl1271_error("could not allocate platform_device"); | |
4582 | ret = -ENOMEM; | |
4583 | goto err_plat_alloc; | |
f5fc0f86 LC |
4584 | } |
4585 | ||
4586 | wl = hw->priv; | |
4587 | memset(wl, 0, sizeof(*wl)); | |
4588 | ||
01c09162 JO |
4589 | INIT_LIST_HEAD(&wl->list); |
4590 | ||
f5fc0f86 | 4591 | wl->hw = hw; |
3b56dd6a | 4592 | wl->plat_dev = plat_dev; |
f5fc0f86 | 4593 | |
6742f554 JO |
4594 | for (i = 0; i < NUM_TX_QUEUES; i++) |
4595 | skb_queue_head_init(&wl->tx_queue[i]); | |
f5fc0f86 | 4596 | |
a8c0ddb5 AN |
4597 | for (i = 0; i < NUM_TX_QUEUES; i++) |
4598 | for (j = 0; j < AP_MAX_LINKS; j++) | |
4599 | skb_queue_head_init(&wl->links[j].tx_queue[i]); | |
4600 | ||
a620865e IY |
4601 | skb_queue_head_init(&wl->deferred_rx_queue); |
4602 | skb_queue_head_init(&wl->deferred_tx_queue); | |
4603 | ||
37b70a81 | 4604 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
90494a90 | 4605 | INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work); |
a620865e | 4606 | INIT_WORK(&wl->netstack_work, wl1271_netstack_work); |
117b38d0 JO |
4607 | INIT_WORK(&wl->tx_work, wl1271_tx_work); |
4608 | INIT_WORK(&wl->recovery_work, wl1271_recovery_work); | |
4609 | INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); | |
77ddaa10 EP |
4610 | INIT_WORK(&wl->rx_streaming_enable_work, |
4611 | wl1271_rx_streaming_enable_work); | |
4612 | INIT_WORK(&wl->rx_streaming_disable_work, | |
4613 | wl1271_rx_streaming_disable_work); | |
4614 | ||
92ef8960 EP |
4615 | wl->freezable_wq = create_freezable_workqueue("wl12xx_wq"); |
4616 | if (!wl->freezable_wq) { | |
4617 | ret = -ENOMEM; | |
4618 | goto err_hw; | |
4619 | } | |
4620 | ||
f5fc0f86 | 4621 | wl->channel = WL1271_DEFAULT_CHANNEL; |
60e84c2e | 4622 | wl->beacon_int = WL1271_DEFAULT_BEACON_INT; |
f5fc0f86 | 4623 | wl->default_key = 0; |
f5fc0f86 | 4624 | wl->rx_counter = 0; |
19ad0715 | 4625 | wl->psm_entry_retry = 0; |
f5fc0f86 | 4626 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
a6fe2313 | 4627 | wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
ebba60c6 | 4628 | wl->basic_rate = CONF_TX_RATE_MASK_BASIC; |
830fb67b | 4629 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
8a5a37a6 | 4630 | wl->band = IEEE80211_BAND_2GHZ; |
b771eee5 | 4631 | wl->vif = NULL; |
830fb67b | 4632 | wl->flags = 0; |
7fc3a864 | 4633 | wl->sg_enabled = true; |
d717fd61 | 4634 | wl->hw_pg_ver = -1; |
166d504e AN |
4635 | wl->bss_type = MAX_BSS_TYPE; |
4636 | wl->set_bss_type = MAX_BSS_TYPE; | |
a8c0ddb5 | 4637 | wl->last_tx_hlid = 0; |
b622d992 AN |
4638 | wl->ap_ps_map = 0; |
4639 | wl->ap_fw_ps_map = 0; | |
606ea9fa | 4640 | wl->quirks = 0; |
341b7cde | 4641 | wl->platform_quirks = 0; |
33c2c06c | 4642 | wl->sched_scanning = false; |
b992c682 OK |
4643 | wl->tx_security_seq = 0; |
4644 | wl->tx_security_last_seq_lsb = 0; | |
e9eb8cbe | 4645 | wl->tx_spare_blocks = TX_HW_BLOCK_SPARE_DEFAULT; |
7f097988 | 4646 | wl->role_id = WL12XX_INVALID_ROLE_ID; |
f4df1bd5 | 4647 | wl->system_hlid = WL12XX_SYSTEM_HLID; |
7f097988 | 4648 | wl->sta_hlid = WL12XX_INVALID_LINK_ID; |
04e8079c EP |
4649 | wl->dev_role_id = WL12XX_INVALID_ROLE_ID; |
4650 | wl->dev_hlid = WL12XX_INVALID_LINK_ID; | |
712e9bf7 | 4651 | wl->session_counter = 0; |
e51ae9be AN |
4652 | wl->ap_bcast_hlid = WL12XX_INVALID_LINK_ID; |
4653 | wl->ap_global_hlid = WL12XX_INVALID_LINK_ID; | |
da03209e | 4654 | wl->active_sta_count = 0; |
77ddaa10 EP |
4655 | setup_timer(&wl->rx_streaming_timer, wl1271_rx_streaming_timer, |
4656 | (unsigned long) wl); | |
95dac04f IY |
4657 | wl->fwlog_size = 0; |
4658 | init_waitqueue_head(&wl->fwlog_waitq); | |
f5fc0f86 | 4659 | |
f4df1bd5 EP |
4660 | /* The system link is always allocated */ |
4661 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); | |
4662 | ||
25eeb9e3 | 4663 | memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); |
be7078c2 | 4664 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
f5fc0f86 LC |
4665 | wl->tx_frames[i] = NULL; |
4666 | ||
4667 | spin_lock_init(&wl->wl_lock); | |
4668 | ||
f5fc0f86 LC |
4669 | wl->state = WL1271_STATE_OFF; |
4670 | mutex_init(&wl->mutex); | |
4671 | ||
c332a4b8 TP |
4672 | /* Apply default driver configuration. */ |
4673 | wl1271_conf_init(wl); | |
4674 | ||
1f37cbc9 IY |
4675 | order = get_order(WL1271_AGGR_BUFFER_SIZE); |
4676 | wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); | |
4677 | if (!wl->aggr_buf) { | |
4678 | ret = -ENOMEM; | |
92ef8960 | 4679 | goto err_wq; |
1f37cbc9 IY |
4680 | } |
4681 | ||
990f5de7 IY |
4682 | wl->dummy_packet = wl12xx_alloc_dummy_packet(wl); |
4683 | if (!wl->dummy_packet) { | |
4684 | ret = -ENOMEM; | |
4685 | goto err_aggr; | |
4686 | } | |
4687 | ||
95dac04f IY |
4688 | /* Allocate one page for the FW log */ |
4689 | wl->fwlog = (u8 *)get_zeroed_page(GFP_KERNEL); | |
4690 | if (!wl->fwlog) { | |
4691 | ret = -ENOMEM; | |
4692 | goto err_dummy_packet; | |
4693 | } | |
4694 | ||
a1dd8187 | 4695 | /* Register platform device */ |
3b56dd6a | 4696 | ret = platform_device_register(wl->plat_dev); |
a1dd8187 JO |
4697 | if (ret) { |
4698 | wl1271_error("couldn't register platform device"); | |
95dac04f | 4699 | goto err_fwlog; |
a1dd8187 | 4700 | } |
3b56dd6a | 4701 | dev_set_drvdata(&wl->plat_dev->dev, wl); |
a1dd8187 | 4702 | |
7fc3a864 | 4703 | /* Create sysfs file to control bt coex state */ |
3b56dd6a | 4704 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); |
7fc3a864 JO |
4705 | if (ret < 0) { |
4706 | wl1271_error("failed to create sysfs file bt_coex_state"); | |
4707 | goto err_platform; | |
4708 | } | |
a1dd8187 | 4709 | |
d717fd61 JO |
4710 | /* Create sysfs file to get HW PG version */ |
4711 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); | |
4712 | if (ret < 0) { | |
4713 | wl1271_error("failed to create sysfs file hw_pg_ver"); | |
4714 | goto err_bt_coex_state; | |
4715 | } | |
4716 | ||
95dac04f IY |
4717 | /* Create sysfs file for the FW log */ |
4718 | ret = device_create_bin_file(&wl->plat_dev->dev, &fwlog_attr); | |
4719 | if (ret < 0) { | |
4720 | wl1271_error("failed to create sysfs file fwlog"); | |
4721 | goto err_hw_pg_ver; | |
4722 | } | |
4723 | ||
c332a4b8 | 4724 | return hw; |
a1dd8187 | 4725 | |
95dac04f IY |
4726 | err_hw_pg_ver: |
4727 | device_remove_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); | |
4728 | ||
d717fd61 JO |
4729 | err_bt_coex_state: |
4730 | device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); | |
4731 | ||
7fc3a864 | 4732 | err_platform: |
3b56dd6a | 4733 | platform_device_unregister(wl->plat_dev); |
7fc3a864 | 4734 | |
95dac04f IY |
4735 | err_fwlog: |
4736 | free_page((unsigned long)wl->fwlog); | |
4737 | ||
990f5de7 IY |
4738 | err_dummy_packet: |
4739 | dev_kfree_skb(wl->dummy_packet); | |
4740 | ||
1f37cbc9 IY |
4741 | err_aggr: |
4742 | free_pages((unsigned long)wl->aggr_buf, order); | |
4743 | ||
92ef8960 EP |
4744 | err_wq: |
4745 | destroy_workqueue(wl->freezable_wq); | |
4746 | ||
a1dd8187 | 4747 | err_hw: |
3b56dd6a TP |
4748 | wl1271_debugfs_exit(wl); |
4749 | kfree(plat_dev); | |
4750 | ||
4751 | err_plat_alloc: | |
4752 | ieee80211_free_hw(hw); | |
4753 | ||
4754 | err_hw_alloc: | |
a1dd8187 | 4755 | |
a1dd8187 | 4756 | return ERR_PTR(ret); |
c332a4b8 | 4757 | } |
50b3eb4b | 4758 | EXPORT_SYMBOL_GPL(wl1271_alloc_hw); |
c332a4b8 TP |
4759 | |
4760 | int wl1271_free_hw(struct wl1271 *wl) | |
4761 | { | |
95dac04f IY |
4762 | /* Unblock any fwlog readers */ |
4763 | mutex_lock(&wl->mutex); | |
4764 | wl->fwlog_size = -1; | |
4765 | wake_up_interruptible_all(&wl->fwlog_waitq); | |
4766 | mutex_unlock(&wl->mutex); | |
4767 | ||
4768 | device_remove_bin_file(&wl->plat_dev->dev, &fwlog_attr); | |
6f07b72a GK |
4769 | |
4770 | device_remove_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); | |
4771 | ||
4772 | device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); | |
3b56dd6a | 4773 | platform_device_unregister(wl->plat_dev); |
95dac04f | 4774 | free_page((unsigned long)wl->fwlog); |
990f5de7 | 4775 | dev_kfree_skb(wl->dummy_packet); |
1f37cbc9 IY |
4776 | free_pages((unsigned long)wl->aggr_buf, |
4777 | get_order(WL1271_AGGR_BUFFER_SIZE)); | |
3b56dd6a | 4778 | kfree(wl->plat_dev); |
c332a4b8 TP |
4779 | |
4780 | wl1271_debugfs_exit(wl); | |
4781 | ||
c332a4b8 TP |
4782 | vfree(wl->fw); |
4783 | wl->fw = NULL; | |
4784 | kfree(wl->nvs); | |
4785 | wl->nvs = NULL; | |
4786 | ||
4787 | kfree(wl->fw_status); | |
4788 | kfree(wl->tx_res_if); | |
92ef8960 | 4789 | destroy_workqueue(wl->freezable_wq); |
c332a4b8 TP |
4790 | |
4791 | ieee80211_free_hw(wl->hw); | |
4792 | ||
4793 | return 0; | |
4794 | } | |
50b3eb4b TP |
4795 | EXPORT_SYMBOL_GPL(wl1271_free_hw); |
4796 | ||
491bbd6b | 4797 | u32 wl12xx_debug_level = DEBUG_NONE; |
17c1755c | 4798 | EXPORT_SYMBOL_GPL(wl12xx_debug_level); |
491bbd6b | 4799 | module_param_named(debug_level, wl12xx_debug_level, uint, S_IRUSR | S_IWUSR); |
17c1755c EP |
4800 | MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); |
4801 | ||
95dac04f IY |
4802 | module_param_named(fwlog, fwlog_param, charp, 0); |
4803 | MODULE_PARM_DESC(keymap, | |
4804 | "FW logger options: continuous, ondemand, dbgpins or disable"); | |
4805 | ||
2a5bff09 EP |
4806 | module_param(bug_on_recovery, bool, S_IRUSR | S_IWUSR); |
4807 | MODULE_PARM_DESC(bug_on_recovery, "BUG() on fw recovery"); | |
4808 | ||
50b3eb4b | 4809 | MODULE_LICENSE("GPL"); |
b1a48cab | 4810 | MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
50b3eb4b | 4811 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |