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> |
f5fc0f86 | 34 | |
00d20100 | 35 | #include "wl12xx.h" |
f5fc0f86 | 36 | #include "wl12xx_80211.h" |
00d20100 SL |
37 | #include "reg.h" |
38 | #include "io.h" | |
39 | #include "event.h" | |
40 | #include "tx.h" | |
41 | #include "rx.h" | |
42 | #include "ps.h" | |
43 | #include "init.h" | |
44 | #include "debugfs.h" | |
45 | #include "cmd.h" | |
46 | #include "boot.h" | |
47 | #include "testmode.h" | |
48 | #include "scan.h" | |
f5fc0f86 | 49 | |
9ccd9217 JO |
50 | #define WL1271_BOOT_RETRIES 3 |
51 | ||
8a08048a JO |
52 | static struct conf_drv_settings default_conf = { |
53 | .sg = { | |
801f870b | 54 | .sta_params = { |
1b00f546 JO |
55 | [CONF_SG_BT_PER_THRESHOLD] = 7500, |
56 | [CONF_SG_HV3_MAX_OVERRIDE] = 0, | |
57 | [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400, | |
d9482e2b | 58 | [CONF_SG_BT_LOAD_RATIO] = 200, |
8d2ef7bd | 59 | [CONF_SG_AUTO_PS_MODE] = 1, |
1b00f546 JO |
60 | [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, |
61 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, | |
62 | [CONF_SG_ANTENNA_CONFIGURATION] = 0, | |
63 | [CONF_SG_BEACON_MISS_PERCENT] = 60, | |
64 | [CONF_SG_RATE_ADAPT_THRESH] = 12, | |
65 | [CONF_SG_RATE_ADAPT_SNR] = 0, | |
66 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10, | |
67 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 30, | |
68 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 8, | |
69 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20, | |
70 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 50, | |
71 | /* Note: with UPSD, this should be 4 */ | |
72 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 8, | |
73 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7, | |
74 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25, | |
75 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 20, | |
76 | /* Note: with UPDS, this should be 15 */ | |
77 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8, | |
78 | /* Note: with UPDS, this should be 50 */ | |
79 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 40, | |
80 | /* Note: with UPDS, this should be 10 */ | |
81 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 20, | |
82 | [CONF_SG_RXT] = 1200, | |
83 | [CONF_SG_TXT] = 1000, | |
84 | [CONF_SG_ADAPTIVE_RXT_TXT] = 1, | |
85 | [CONF_SG_PS_POLL_TIMEOUT] = 10, | |
86 | [CONF_SG_UPSD_TIMEOUT] = 10, | |
87 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7, | |
88 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15, | |
89 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15, | |
90 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8, | |
91 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20, | |
92 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15, | |
93 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20, | |
94 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50, | |
95 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10, | |
96 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, | |
97 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800, | |
98 | [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75, | |
99 | [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15, | |
100 | [CONF_SG_HV3_MAX_SERVED] = 6, | |
101 | [CONF_SG_DHCP_TIME] = 5000, | |
102 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, | |
103 | }, | |
801f870b AN |
104 | .ap_params = { |
105 | [CONF_SG_BT_PER_THRESHOLD] = 7500, | |
106 | [CONF_SG_HV3_MAX_OVERRIDE] = 0, | |
107 | [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400, | |
108 | [CONF_SG_BT_LOAD_RATIO] = 50, | |
109 | [CONF_SG_AUTO_PS_MODE] = 1, | |
110 | [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, | |
111 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, | |
112 | [CONF_SG_ANTENNA_CONFIGURATION] = 0, | |
113 | [CONF_SG_BEACON_MISS_PERCENT] = 60, | |
114 | [CONF_SG_RATE_ADAPT_THRESH] = 64, | |
115 | [CONF_SG_RATE_ADAPT_SNR] = 1, | |
116 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10, | |
117 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 25, | |
118 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 25, | |
119 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20, | |
120 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 25, | |
121 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 25, | |
122 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7, | |
123 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25, | |
124 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 25, | |
125 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8, | |
126 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 25, | |
127 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 25, | |
128 | [CONF_SG_RXT] = 1200, | |
129 | [CONF_SG_TXT] = 1000, | |
130 | [CONF_SG_ADAPTIVE_RXT_TXT] = 1, | |
131 | [CONF_SG_PS_POLL_TIMEOUT] = 10, | |
132 | [CONF_SG_UPSD_TIMEOUT] = 10, | |
133 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7, | |
134 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15, | |
135 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15, | |
136 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8, | |
137 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20, | |
138 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15, | |
139 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20, | |
140 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50, | |
141 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10, | |
142 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, | |
143 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800, | |
144 | [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75, | |
145 | [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15, | |
146 | [CONF_SG_HV3_MAX_SERVED] = 6, | |
147 | [CONF_SG_DHCP_TIME] = 5000, | |
148 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, | |
149 | [CONF_SG_TEMP_PARAM_1] = 0, | |
150 | [CONF_SG_TEMP_PARAM_2] = 0, | |
151 | [CONF_SG_TEMP_PARAM_3] = 0, | |
152 | [CONF_SG_TEMP_PARAM_4] = 0, | |
153 | [CONF_SG_TEMP_PARAM_5] = 0, | |
154 | [CONF_SG_AP_BEACON_MISS_TX] = 3, | |
155 | [CONF_SG_RX_WINDOW_LENGTH] = 6, | |
156 | [CONF_SG_AP_CONNECTION_PROTECTION_TIME] = 50, | |
157 | [CONF_SG_TEMP_PARAM_6] = 1, | |
158 | }, | |
1b00f546 | 159 | .state = CONF_SG_PROTECTIVE, |
8a08048a JO |
160 | }, |
161 | .rx = { | |
162 | .rx_msdu_life_time = 512000, | |
163 | .packet_detection_threshold = 0, | |
164 | .ps_poll_timeout = 15, | |
165 | .upsd_timeout = 15, | |
5f704d18 | 166 | .rts_threshold = IEEE80211_MAX_RTS_THRESHOLD, |
3ed8f2c6 LC |
167 | .rx_cca_threshold = 0, |
168 | .irq_blk_threshold = 0xFFFF, | |
169 | .irq_pkt_threshold = 0, | |
170 | .irq_timeout = 600, | |
8a08048a JO |
171 | .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, |
172 | }, | |
173 | .tx = { | |
174 | .tx_energy_detection = 0, | |
1e05a818 | 175 | .sta_rc_conf = { |
ebba60c6 | 176 | .enabled_rates = 0, |
8a08048a JO |
177 | .short_retry_limit = 10, |
178 | .long_retry_limit = 10, | |
1e05a818 | 179 | .aflags = 0, |
45b531a8 | 180 | }, |
8a08048a JO |
181 | .ac_conf_count = 4, |
182 | .ac_conf = { | |
9987a9da | 183 | [CONF_TX_AC_BE] = { |
8a08048a JO |
184 | .ac = CONF_TX_AC_BE, |
185 | .cw_min = 15, | |
186 | .cw_max = 63, | |
187 | .aifsn = 3, | |
188 | .tx_op_limit = 0, | |
45b531a8 | 189 | }, |
9987a9da | 190 | [CONF_TX_AC_BK] = { |
8a08048a JO |
191 | .ac = CONF_TX_AC_BK, |
192 | .cw_min = 15, | |
193 | .cw_max = 63, | |
194 | .aifsn = 7, | |
195 | .tx_op_limit = 0, | |
45b531a8 | 196 | }, |
9987a9da | 197 | [CONF_TX_AC_VI] = { |
8a08048a JO |
198 | .ac = CONF_TX_AC_VI, |
199 | .cw_min = 15, | |
200 | .cw_max = 63, | |
201 | .aifsn = CONF_TX_AIFS_PIFS, | |
202 | .tx_op_limit = 3008, | |
203 | }, | |
9987a9da | 204 | [CONF_TX_AC_VO] = { |
8a08048a JO |
205 | .ac = CONF_TX_AC_VO, |
206 | .cw_min = 15, | |
207 | .cw_max = 63, | |
208 | .aifsn = CONF_TX_AIFS_PIFS, | |
209 | .tx_op_limit = 1504, | |
45b531a8 | 210 | }, |
51f2be24 | 211 | }, |
25eaea30 | 212 | .ap_max_tx_retries = 100, |
9987a9da | 213 | .tid_conf_count = 4, |
8a08048a | 214 | .tid_conf = { |
9987a9da JO |
215 | [CONF_TX_AC_BE] = { |
216 | .queue_id = CONF_TX_AC_BE, | |
217 | .channel_type = CONF_CHANNEL_TYPE_EDCF, | |
8a08048a JO |
218 | .tsid = CONF_TX_AC_BE, |
219 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
220 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
221 | .apsd_conf = {0, 0}, | |
51f2be24 | 222 | }, |
9987a9da JO |
223 | [CONF_TX_AC_BK] = { |
224 | .queue_id = CONF_TX_AC_BK, | |
225 | .channel_type = CONF_CHANNEL_TYPE_EDCF, | |
226 | .tsid = CONF_TX_AC_BK, | |
8a08048a JO |
227 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
228 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
229 | .apsd_conf = {0, 0}, | |
230 | }, | |
9987a9da JO |
231 | [CONF_TX_AC_VI] = { |
232 | .queue_id = CONF_TX_AC_VI, | |
233 | .channel_type = CONF_CHANNEL_TYPE_EDCF, | |
234 | .tsid = CONF_TX_AC_VI, | |
8a08048a JO |
235 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
236 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
237 | .apsd_conf = {0, 0}, | |
238 | }, | |
9987a9da JO |
239 | [CONF_TX_AC_VO] = { |
240 | .queue_id = CONF_TX_AC_VO, | |
241 | .channel_type = CONF_CHANNEL_TYPE_EDCF, | |
242 | .tsid = CONF_TX_AC_VO, | |
8a08048a JO |
243 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
244 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
245 | .apsd_conf = {0, 0}, | |
246 | }, | |
8a08048a JO |
247 | }, |
248 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, | |
3ed8f2c6 | 249 | .tx_compl_timeout = 700, |
ebba60c6 JO |
250 | .tx_compl_threshold = 4, |
251 | .basic_rate = CONF_HW_BIT_RATE_1MBPS, | |
252 | .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS, | |
1e05a818 AN |
253 | .tmpl_short_retry_limit = 10, |
254 | .tmpl_long_retry_limit = 10, | |
8a08048a JO |
255 | }, |
256 | .conn = { | |
257 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, | |
50c500ad | 258 | .listen_interval = 1, |
8a08048a | 259 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, |
bc76b940 | 260 | .bcn_filt_ie_count = 2, |
8a08048a JO |
261 | .bcn_filt_ie = { |
262 | [0] = { | |
263 | .ie = WLAN_EID_CHANNEL_SWITCH, | |
264 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, | |
bc76b940 SL |
265 | }, |
266 | [1] = { | |
267 | .ie = WLAN_EID_HT_INFORMATION, | |
268 | .rule = CONF_BCN_RULE_PASS_ON_CHANGE, | |
269 | }, | |
47fab7d5 | 270 | }, |
3ed8f2c6 | 271 | .synch_fail_thold = 10, |
8a08048a JO |
272 | .bss_lose_timeout = 100, |
273 | .beacon_rx_timeout = 10000, | |
274 | .broadcast_timeout = 20000, | |
275 | .rx_broadcast_in_ps = 1, | |
90494a90 JO |
276 | .ps_poll_threshold = 10, |
277 | .ps_poll_recovery_period = 700, | |
11f70f97 | 278 | .bet_enable = CONF_BET_MODE_ENABLE, |
958b20e0 | 279 | .bet_max_consecutive = 50, |
8eab7b47 | 280 | .psm_entry_retries = 5, |
2370841b | 281 | .psm_exit_retries = 16, |
8eab7b47 JO |
282 | .psm_entry_nullfunc_retries = 3, |
283 | .psm_entry_hangover_period = 1, | |
50c500ad JO |
284 | .keep_alive_interval = 55000, |
285 | .max_listen_interval = 20, | |
8a08048a | 286 | }, |
6e92b416 LC |
287 | .itrim = { |
288 | .enable = false, | |
289 | .timeout = 50000, | |
38ad2d87 JO |
290 | }, |
291 | .pm_config = { | |
292 | .host_clk_settling_time = 5000, | |
293 | .host_fast_wakeup_support = false | |
00236aed JO |
294 | }, |
295 | .roam_trigger = { | |
00236aed JO |
296 | .trigger_pacing = 1, |
297 | .avg_weight_rssi_beacon = 20, | |
298 | .avg_weight_rssi_data = 10, | |
299 | .avg_weight_snr_beacon = 20, | |
4b7fac77 | 300 | .avg_weight_snr_data = 10, |
bea39d6a JO |
301 | }, |
302 | .scan = { | |
303 | .min_dwell_time_active = 7500, | |
304 | .max_dwell_time_active = 30000, | |
ea45b2cb JO |
305 | .min_dwell_time_passive = 100000, |
306 | .max_dwell_time_passive = 100000, | |
bea39d6a JO |
307 | .num_probe_reqs = 2, |
308 | }, | |
3a9d60e5 LC |
309 | .sched_scan = { |
310 | /* sched_scan requires dwell times in TU instead of TU/1000 */ | |
311 | .min_dwell_time_active = 8, | |
312 | .max_dwell_time_active = 30, | |
313 | .dwell_time_passive = 100, | |
50a66d7f | 314 | .dwell_time_dfs = 150, |
3a9d60e5 LC |
315 | .num_probe_reqs = 2, |
316 | .rssi_threshold = -90, | |
317 | .snr_threshold = 0, | |
318 | }, | |
644a4860 JO |
319 | .rf = { |
320 | .tx_per_channel_power_compensation_2 = { | |
321 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
322 | }, | |
323 | .tx_per_channel_power_compensation_5 = { | |
324 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
325 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
326 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
327 | }, | |
328 | }, | |
4b7fac77 LS |
329 | .ht = { |
330 | .tx_ba_win_size = 64, | |
331 | .inactivity_timeout = 10000, | |
332 | }, | |
13b107dd | 333 | .mem_wl127x = { |
fe5ef090 EP |
334 | .num_stations = 1, |
335 | .ssid_profiles = 1, | |
336 | .rx_block_num = 70, | |
337 | .tx_min_block_num = 40, | |
4cf557fc | 338 | .dynamic_memory = 1, |
b16d4b68 | 339 | .min_req_tx_blocks = 100, |
c8bde243 EP |
340 | .min_req_rx_blocks = 22, |
341 | .tx_min = 27, | |
13b107dd SL |
342 | }, |
343 | .mem_wl128x = { | |
344 | .num_stations = 1, | |
345 | .ssid_profiles = 1, | |
346 | .rx_block_num = 40, | |
347 | .tx_min_block_num = 40, | |
348 | .dynamic_memory = 1, | |
349 | .min_req_tx_blocks = 45, | |
350 | .min_req_rx_blocks = 22, | |
351 | .tx_min = 27, | |
352 | }, | |
ff86843d SL |
353 | .fm_coex = { |
354 | .enable = true, | |
355 | .swallow_period = 5, | |
356 | .n_divider_fref_set_1 = 0xff, /* default */ | |
357 | .n_divider_fref_set_2 = 12, | |
358 | .m_divider_fref_set_1 = 148, | |
359 | .m_divider_fref_set_2 = 0xffff, /* default */ | |
360 | .coex_pll_stabilization_time = 0xffffffff, /* default */ | |
361 | .ldo_stabilization_time = 0xffff, /* default */ | |
362 | .fm_disturbed_band_margin = 0xff, /* default */ | |
363 | .swallow_clk_diff = 0xff, /* default */ | |
364 | }, | |
f84673d5 EP |
365 | .rx_streaming = { |
366 | .duration = 150, | |
367 | .queues = 0x1, | |
368 | .interval = 20, | |
77ddaa10 | 369 | .always = 0, |
f84673d5 | 370 | }, |
afb7d3cd | 371 | .hci_io_ds = HCI_IO_DS_6MA, |
8a08048a JO |
372 | }; |
373 | ||
7dece1c8 AN |
374 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
375 | bool reset_tx_queues); | |
7f179b46 | 376 | static void wl1271_free_ap_keys(struct wl1271 *wl); |
52b0e7a6 JO |
377 | |
378 | ||
a1dd8187 JO |
379 | static void wl1271_device_release(struct device *dev) |
380 | { | |
381 | ||
382 | } | |
383 | ||
384 | static struct platform_device wl1271_device = { | |
385 | .name = "wl1271", | |
386 | .id = -1, | |
387 | ||
388 | /* device model insists to have a release function */ | |
389 | .dev = { | |
390 | .release = wl1271_device_release, | |
391 | }, | |
392 | }; | |
393 | ||
f9f774c1 | 394 | static DEFINE_MUTEX(wl_list_mutex); |
01c09162 JO |
395 | static LIST_HEAD(wl_list); |
396 | ||
c2c192ac JO |
397 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
398 | void *arg) | |
399 | { | |
400 | struct net_device *dev = arg; | |
401 | struct wireless_dev *wdev; | |
402 | struct wiphy *wiphy; | |
403 | struct ieee80211_hw *hw; | |
404 | struct wl1271 *wl; | |
405 | struct wl1271 *wl_temp; | |
406 | int ret = 0; | |
407 | ||
408 | /* Check that this notification is for us. */ | |
409 | if (what != NETDEV_CHANGE) | |
410 | return NOTIFY_DONE; | |
411 | ||
412 | wdev = dev->ieee80211_ptr; | |
413 | if (wdev == NULL) | |
414 | return NOTIFY_DONE; | |
415 | ||
416 | wiphy = wdev->wiphy; | |
417 | if (wiphy == NULL) | |
418 | return NOTIFY_DONE; | |
419 | ||
420 | hw = wiphy_priv(wiphy); | |
421 | if (hw == NULL) | |
422 | return NOTIFY_DONE; | |
423 | ||
424 | wl_temp = hw->priv; | |
f9f774c1 | 425 | mutex_lock(&wl_list_mutex); |
c2c192ac JO |
426 | list_for_each_entry(wl, &wl_list, list) { |
427 | if (wl == wl_temp) | |
428 | break; | |
429 | } | |
f9f774c1 | 430 | mutex_unlock(&wl_list_mutex); |
c2c192ac JO |
431 | if (wl != wl_temp) |
432 | return NOTIFY_DONE; | |
433 | ||
434 | mutex_lock(&wl->mutex); | |
435 | ||
436 | if (wl->state == WL1271_STATE_OFF) | |
437 | goto out; | |
438 | ||
439 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
440 | goto out; | |
441 | ||
a620865e | 442 | ret = wl1271_ps_elp_wakeup(wl); |
c2c192ac JO |
443 | if (ret < 0) |
444 | goto out; | |
445 | ||
446 | if ((dev->operstate == IF_OPER_UP) && | |
447 | !test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) { | |
448 | wl1271_cmd_set_sta_state(wl); | |
449 | wl1271_info("Association completed."); | |
450 | } | |
451 | ||
452 | wl1271_ps_elp_sleep(wl); | |
453 | ||
454 | out: | |
455 | mutex_unlock(&wl->mutex); | |
456 | ||
457 | return NOTIFY_OK; | |
458 | } | |
459 | ||
b7417d93 | 460 | static int wl1271_reg_notify(struct wiphy *wiphy, |
573c67cf LC |
461 | struct regulatory_request *request) |
462 | { | |
b7417d93 JO |
463 | struct ieee80211_supported_band *band; |
464 | struct ieee80211_channel *ch; | |
465 | int i; | |
466 | ||
467 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
468 | for (i = 0; i < band->n_channels; i++) { | |
469 | ch = &band->channels[i]; | |
470 | if (ch->flags & IEEE80211_CHAN_DISABLED) | |
471 | continue; | |
472 | ||
473 | if (ch->flags & IEEE80211_CHAN_RADAR) | |
474 | ch->flags |= IEEE80211_CHAN_NO_IBSS | | |
475 | IEEE80211_CHAN_PASSIVE_SCAN; | |
476 | ||
477 | } | |
478 | ||
479 | return 0; | |
480 | } | |
481 | ||
77ddaa10 EP |
482 | static int wl1271_set_rx_streaming(struct wl1271 *wl, bool enable) |
483 | { | |
484 | int ret = 0; | |
485 | ||
486 | /* we should hold wl->mutex */ | |
487 | ret = wl1271_acx_ps_rx_streaming(wl, enable); | |
488 | if (ret < 0) | |
489 | goto out; | |
490 | ||
491 | if (enable) | |
492 | set_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags); | |
493 | else | |
494 | clear_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags); | |
495 | out: | |
496 | return ret; | |
497 | } | |
498 | ||
499 | /* | |
500 | * this function is being called when the rx_streaming interval | |
501 | * has beed changed or rx_streaming should be disabled | |
502 | */ | |
503 | int wl1271_recalc_rx_streaming(struct wl1271 *wl) | |
504 | { | |
505 | int ret = 0; | |
506 | int period = wl->conf.rx_streaming.interval; | |
507 | ||
508 | /* don't reconfigure if rx_streaming is disabled */ | |
509 | if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) | |
510 | goto out; | |
511 | ||
512 | /* reconfigure/disable according to new streaming_period */ | |
513 | if (period && | |
514 | test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) && | |
515 | (wl->conf.rx_streaming.always || | |
516 | test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
517 | ret = wl1271_set_rx_streaming(wl, true); | |
518 | else { | |
519 | ret = wl1271_set_rx_streaming(wl, false); | |
520 | /* don't cancel_work_sync since we might deadlock */ | |
521 | del_timer_sync(&wl->rx_streaming_timer); | |
522 | } | |
523 | out: | |
524 | return ret; | |
525 | } | |
526 | ||
527 | static void wl1271_rx_streaming_enable_work(struct work_struct *work) | |
528 | { | |
529 | int ret; | |
530 | struct wl1271 *wl = | |
531 | container_of(work, struct wl1271, rx_streaming_enable_work); | |
532 | ||
533 | mutex_lock(&wl->mutex); | |
534 | ||
535 | if (test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags) || | |
536 | !test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) || | |
537 | (!wl->conf.rx_streaming.always && | |
538 | !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
539 | goto out; | |
540 | ||
541 | if (!wl->conf.rx_streaming.interval) | |
542 | goto out; | |
543 | ||
544 | ret = wl1271_ps_elp_wakeup(wl); | |
545 | if (ret < 0) | |
546 | goto out; | |
547 | ||
548 | ret = wl1271_set_rx_streaming(wl, true); | |
549 | if (ret < 0) | |
550 | goto out_sleep; | |
551 | ||
552 | /* stop it after some time of inactivity */ | |
553 | mod_timer(&wl->rx_streaming_timer, | |
554 | jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration)); | |
555 | ||
556 | out_sleep: | |
557 | wl1271_ps_elp_sleep(wl); | |
558 | out: | |
559 | mutex_unlock(&wl->mutex); | |
560 | } | |
561 | ||
562 | static void wl1271_rx_streaming_disable_work(struct work_struct *work) | |
563 | { | |
564 | int ret; | |
565 | struct wl1271 *wl = | |
566 | container_of(work, struct wl1271, rx_streaming_disable_work); | |
567 | ||
568 | mutex_lock(&wl->mutex); | |
569 | ||
570 | if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) | |
571 | goto out; | |
572 | ||
573 | ret = wl1271_ps_elp_wakeup(wl); | |
574 | if (ret < 0) | |
575 | goto out; | |
576 | ||
577 | ret = wl1271_set_rx_streaming(wl, false); | |
578 | if (ret) | |
579 | goto out_sleep; | |
580 | ||
581 | out_sleep: | |
582 | wl1271_ps_elp_sleep(wl); | |
583 | out: | |
584 | mutex_unlock(&wl->mutex); | |
585 | } | |
586 | ||
587 | static void wl1271_rx_streaming_timer(unsigned long data) | |
588 | { | |
589 | struct wl1271 *wl = (struct wl1271 *)data; | |
590 | ieee80211_queue_work(wl->hw, &wl->rx_streaming_disable_work); | |
591 | } | |
592 | ||
8a08048a JO |
593 | static void wl1271_conf_init(struct wl1271 *wl) |
594 | { | |
2b60100b JO |
595 | |
596 | /* | |
597 | * This function applies the default configuration to the driver. This | |
598 | * function is invoked upon driver load (spi probe.) | |
599 | * | |
600 | * The configuration is stored in a run-time structure in order to | |
601 | * facilitate for run-time adjustment of any of the parameters. Making | |
602 | * changes to the configuration structure will apply the new values on | |
603 | * the next interface up (wl1271_op_start.) | |
604 | */ | |
605 | ||
606 | /* apply driver default configuration */ | |
8a08048a | 607 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
2b60100b JO |
608 | } |
609 | ||
610 | ||
f5fc0f86 LC |
611 | static int wl1271_plt_init(struct wl1271 *wl) |
612 | { | |
12419cce LC |
613 | struct conf_tx_ac_category *conf_ac; |
614 | struct conf_tx_tid *conf_tid; | |
615 | int ret, i; | |
f5fc0f86 | 616 | |
49d750ca SL |
617 | if (wl->chip.id == CHIP_ID_1283_PG20) |
618 | ret = wl128x_cmd_general_parms(wl); | |
619 | else | |
620 | ret = wl1271_cmd_general_parms(wl); | |
4a90406b | 621 | if (ret < 0) |
cc7defa3 LC |
622 | return ret; |
623 | ||
49d750ca SL |
624 | if (wl->chip.id == CHIP_ID_1283_PG20) |
625 | ret = wl128x_cmd_radio_parms(wl); | |
626 | else | |
627 | ret = wl1271_cmd_radio_parms(wl); | |
4a90406b | 628 | if (ret < 0) |
cc7defa3 LC |
629 | return ret; |
630 | ||
49d750ca SL |
631 | if (wl->chip.id != CHIP_ID_1283_PG20) { |
632 | ret = wl1271_cmd_ext_radio_parms(wl); | |
633 | if (ret < 0) | |
634 | return ret; | |
635 | } | |
644a4860 JO |
636 | if (ret < 0) |
637 | return ret; | |
638 | ||
48a61477 SL |
639 | /* Chip-specific initializations */ |
640 | ret = wl1271_chip_specific_init(wl); | |
641 | if (ret < 0) | |
642 | return ret; | |
643 | ||
e0fe371b | 644 | ret = wl1271_sta_init_templates_config(wl); |
12419cce LC |
645 | if (ret < 0) |
646 | return ret; | |
647 | ||
f5fc0f86 LC |
648 | ret = wl1271_acx_init_mem_config(wl); |
649 | if (ret < 0) | |
650 | return ret; | |
651 | ||
12419cce LC |
652 | /* PHY layer config */ |
653 | ret = wl1271_init_phy_config(wl); | |
654 | if (ret < 0) | |
655 | goto out_free_memmap; | |
656 | ||
657 | ret = wl1271_acx_dco_itrim_params(wl); | |
658 | if (ret < 0) | |
659 | goto out_free_memmap; | |
660 | ||
661 | /* Initialize connection monitoring thresholds */ | |
6ccbb92e | 662 | ret = wl1271_acx_conn_monit_params(wl, false); |
12419cce LC |
663 | if (ret < 0) |
664 | goto out_free_memmap; | |
665 | ||
666 | /* Bluetooth WLAN coexistence */ | |
667 | ret = wl1271_init_pta(wl); | |
668 | if (ret < 0) | |
669 | goto out_free_memmap; | |
670 | ||
ff86843d SL |
671 | /* FM WLAN coexistence */ |
672 | ret = wl1271_acx_fm_coex(wl); | |
673 | if (ret < 0) | |
674 | goto out_free_memmap; | |
675 | ||
12419cce LC |
676 | /* Energy detection */ |
677 | ret = wl1271_init_energy_detection(wl); | |
678 | if (ret < 0) | |
679 | goto out_free_memmap; | |
680 | ||
1ec610eb GK |
681 | ret = wl1271_acx_sta_mem_cfg(wl); |
682 | if (ret < 0) | |
683 | goto out_free_memmap; | |
684 | ||
12419cce | 685 | /* Default fragmentation threshold */ |
68d069c4 | 686 | ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold); |
12419cce LC |
687 | if (ret < 0) |
688 | goto out_free_memmap; | |
689 | ||
9987a9da JO |
690 | /* Default TID/AC configuration */ |
691 | BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count); | |
12419cce | 692 | for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { |
9987a9da JO |
693 | conf_ac = &wl->conf.tx.ac_conf[i]; |
694 | ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min, | |
695 | conf_ac->cw_max, conf_ac->aifsn, | |
696 | conf_ac->tx_op_limit); | |
697 | if (ret < 0) | |
698 | goto out_free_memmap; | |
699 | ||
12419cce LC |
700 | conf_tid = &wl->conf.tx.tid_conf[i]; |
701 | ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id, | |
702 | conf_tid->channel_type, | |
703 | conf_tid->tsid, | |
704 | conf_tid->ps_scheme, | |
705 | conf_tid->ack_policy, | |
706 | conf_tid->apsd_conf[0], | |
707 | conf_tid->apsd_conf[1]); | |
708 | if (ret < 0) | |
709 | goto out_free_memmap; | |
710 | } | |
711 | ||
12419cce | 712 | /* Enable data path */ |
94210897 | 713 | ret = wl1271_cmd_data_path(wl, 1); |
f5fc0f86 | 714 | if (ret < 0) |
12419cce LC |
715 | goto out_free_memmap; |
716 | ||
717 | /* Configure for CAM power saving (ie. always active) */ | |
718 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); | |
719 | if (ret < 0) | |
720 | goto out_free_memmap; | |
721 | ||
722 | /* configure PM */ | |
723 | ret = wl1271_acx_pm_config(wl); | |
724 | if (ret < 0) | |
725 | goto out_free_memmap; | |
f5fc0f86 LC |
726 | |
727 | return 0; | |
12419cce LC |
728 | |
729 | out_free_memmap: | |
730 | kfree(wl->target_mem_map); | |
731 | wl->target_mem_map = NULL; | |
732 | ||
733 | return ret; | |
f5fc0f86 LC |
734 | } |
735 | ||
b622d992 AN |
736 | static void wl1271_irq_ps_regulate_link(struct wl1271 *wl, u8 hlid, u8 tx_blks) |
737 | { | |
738 | bool fw_ps; | |
739 | ||
740 | /* only regulate station links */ | |
741 | if (hlid < WL1271_AP_STA_HLID_START) | |
742 | return; | |
743 | ||
744 | fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); | |
745 | ||
746 | /* | |
747 | * Wake up from high level PS if the STA is asleep with too little | |
748 | * blocks in FW or if the STA is awake. | |
749 | */ | |
750 | if (!fw_ps || tx_blks < WL1271_PS_STA_MAX_BLOCKS) | |
751 | wl1271_ps_link_end(wl, hlid); | |
752 | ||
753 | /* Start high-level PS if the STA is asleep with enough blocks in FW */ | |
754 | else if (fw_ps && tx_blks >= WL1271_PS_STA_MAX_BLOCKS) | |
755 | wl1271_ps_link_start(wl, hlid, true); | |
756 | } | |
757 | ||
758 | static void wl1271_irq_update_links_status(struct wl1271 *wl, | |
759 | struct wl1271_fw_ap_status *status) | |
760 | { | |
761 | u32 cur_fw_ps_map; | |
762 | u8 hlid; | |
763 | ||
764 | cur_fw_ps_map = le32_to_cpu(status->link_ps_bitmap); | |
765 | if (wl->ap_fw_ps_map != cur_fw_ps_map) { | |
766 | wl1271_debug(DEBUG_PSM, | |
767 | "link ps prev 0x%x cur 0x%x changed 0x%x", | |
768 | wl->ap_fw_ps_map, cur_fw_ps_map, | |
769 | wl->ap_fw_ps_map ^ cur_fw_ps_map); | |
770 | ||
771 | wl->ap_fw_ps_map = cur_fw_ps_map; | |
772 | } | |
773 | ||
774 | for (hlid = WL1271_AP_STA_HLID_START; hlid < AP_MAX_LINKS; hlid++) { | |
775 | u8 cnt = status->tx_lnk_free_blks[hlid] - | |
776 | wl->links[hlid].prev_freed_blks; | |
777 | ||
778 | wl->links[hlid].prev_freed_blks = | |
779 | status->tx_lnk_free_blks[hlid]; | |
780 | wl->links[hlid].allocated_blks -= cnt; | |
781 | ||
782 | wl1271_irq_ps_regulate_link(wl, hlid, | |
783 | wl->links[hlid].allocated_blks); | |
784 | } | |
785 | } | |
786 | ||
c15f63bf | 787 | static void wl1271_fw_status(struct wl1271 *wl, |
c8bde243 | 788 | struct wl1271_fw_full_status *full_status) |
f5fc0f86 | 789 | { |
c8bde243 | 790 | struct wl1271_fw_common_status *status = &full_status->common; |
ac5e1e39 | 791 | struct timespec ts; |
13b107dd | 792 | u32 old_tx_blk_count = wl->tx_blocks_available; |
d2f4d47d | 793 | u32 freed_blocks = 0; |
f5fc0f86 LC |
794 | int i; |
795 | ||
13b107dd | 796 | if (wl->bss_type == BSS_TYPE_AP_BSS) { |
c8bde243 EP |
797 | wl1271_raw_read(wl, FW_STATUS_ADDR, status, |
798 | sizeof(struct wl1271_fw_ap_status), false); | |
13b107dd | 799 | } else { |
c8bde243 EP |
800 | wl1271_raw_read(wl, FW_STATUS_ADDR, status, |
801 | sizeof(struct wl1271_fw_sta_status), false); | |
13b107dd SL |
802 | } |
803 | ||
f5fc0f86 LC |
804 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " |
805 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
806 | status->intr, | |
807 | status->fw_rx_counter, | |
808 | status->drv_rx_counter, | |
809 | status->tx_results_counter); | |
810 | ||
811 | /* update number of available TX blocks */ | |
812 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
d2f4d47d IY |
813 | freed_blocks += le32_to_cpu(status->tx_released_blks[i]) - |
814 | wl->tx_blocks_freed[i]; | |
d0f63b20 LC |
815 | |
816 | wl->tx_blocks_freed[i] = | |
817 | le32_to_cpu(status->tx_released_blks[i]); | |
13b107dd SL |
818 | } |
819 | ||
d2f4d47d IY |
820 | wl->tx_allocated_blocks -= freed_blocks; |
821 | ||
822 | if (wl->bss_type == BSS_TYPE_AP_BSS) { | |
823 | /* Update num of allocated TX blocks per link and ps status */ | |
824 | wl1271_irq_update_links_status(wl, &full_status->ap); | |
825 | wl->tx_blocks_available += freed_blocks; | |
826 | } else { | |
827 | int avail = full_status->sta.tx_total - wl->tx_allocated_blocks; | |
13b107dd | 828 | |
d2f4d47d IY |
829 | /* |
830 | * The FW might change the total number of TX memblocks before | |
831 | * we get a notification about blocks being released. Thus, the | |
832 | * available blocks calculation might yield a temporary result | |
833 | * which is lower than the actual available blocks. Keeping in | |
834 | * mind that only blocks that were allocated can be moved from | |
835 | * TX to RX, tx_blocks_available should never decrease here. | |
836 | */ | |
837 | wl->tx_blocks_available = max((int)wl->tx_blocks_available, | |
838 | avail); | |
f5fc0f86 LC |
839 | } |
840 | ||
a522550a | 841 | /* if more blocks are available now, tx work can be scheduled */ |
13b107dd | 842 | if (wl->tx_blocks_available > old_tx_blk_count) |
a522550a | 843 | clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags); |
f5fc0f86 LC |
844 | |
845 | /* update the host-chipset time offset */ | |
ac5e1e39 JO |
846 | getnstimeofday(&ts); |
847 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - | |
848 | (s64)le32_to_cpu(status->fw_localtime); | |
f5fc0f86 LC |
849 | } |
850 | ||
a620865e IY |
851 | static void wl1271_flush_deferred_work(struct wl1271 *wl) |
852 | { | |
853 | struct sk_buff *skb; | |
854 | ||
855 | /* Pass all received frames to the network stack */ | |
856 | while ((skb = skb_dequeue(&wl->deferred_rx_queue))) | |
857 | ieee80211_rx_ni(wl->hw, skb); | |
858 | ||
859 | /* Return sent skbs to the network stack */ | |
860 | while ((skb = skb_dequeue(&wl->deferred_tx_queue))) | |
861 | ieee80211_tx_status(wl->hw, skb); | |
862 | } | |
863 | ||
864 | static void wl1271_netstack_work(struct work_struct *work) | |
865 | { | |
866 | struct wl1271 *wl = | |
867 | container_of(work, struct wl1271, netstack_work); | |
868 | ||
869 | do { | |
870 | wl1271_flush_deferred_work(wl); | |
871 | } while (skb_queue_len(&wl->deferred_rx_queue)); | |
872 | } | |
1e73eb62 | 873 | |
a620865e IY |
874 | #define WL1271_IRQ_MAX_LOOPS 256 |
875 | ||
876 | irqreturn_t wl1271_irq(int irq, void *cookie) | |
f5fc0f86 | 877 | { |
f5fc0f86 | 878 | int ret; |
c15f63bf | 879 | u32 intr; |
1e73eb62 | 880 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
a620865e IY |
881 | struct wl1271 *wl = (struct wl1271 *)cookie; |
882 | bool done = false; | |
883 | unsigned int defer_count; | |
b07d4037 IY |
884 | unsigned long flags; |
885 | ||
886 | /* TX might be handled here, avoid redundant work */ | |
887 | set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); | |
888 | cancel_work_sync(&wl->tx_work); | |
f5fc0f86 | 889 | |
341b7cde IY |
890 | /* |
891 | * In case edge triggered interrupt must be used, we cannot iterate | |
892 | * more than once without introducing race conditions with the hardirq. | |
893 | */ | |
894 | if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) | |
895 | loopcount = 1; | |
896 | ||
f5fc0f86 LC |
897 | mutex_lock(&wl->mutex); |
898 | ||
899 | wl1271_debug(DEBUG_IRQ, "IRQ work"); | |
900 | ||
1e73eb62 | 901 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
f5fc0f86 LC |
902 | goto out; |
903 | ||
a620865e | 904 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
905 | if (ret < 0) |
906 | goto out; | |
907 | ||
a620865e IY |
908 | while (!done && loopcount--) { |
909 | /* | |
910 | * In order to avoid a race with the hardirq, clear the flag | |
911 | * before acknowledging the chip. Since the mutex is held, | |
912 | * wl1271_ps_elp_wakeup cannot be called concurrently. | |
913 | */ | |
914 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
915 | smp_mb__after_clear_bit(); | |
1e73eb62 JO |
916 | |
917 | wl1271_fw_status(wl, wl->fw_status); | |
c8bde243 | 918 | intr = le32_to_cpu(wl->fw_status->common.intr); |
a620865e | 919 | intr &= WL1271_INTR_MASK; |
1e73eb62 | 920 | if (!intr) { |
a620865e | 921 | done = true; |
1e73eb62 JO |
922 | continue; |
923 | } | |
f5fc0f86 | 924 | |
ccc83b04 EP |
925 | if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { |
926 | wl1271_error("watchdog interrupt received! " | |
927 | "starting recovery."); | |
928 | ieee80211_queue_work(wl->hw, &wl->recovery_work); | |
929 | ||
930 | /* restarting the chip. ignore any other interrupt. */ | |
931 | goto out; | |
932 | } | |
933 | ||
a620865e | 934 | if (likely(intr & WL1271_ACX_INTR_DATA)) { |
1e73eb62 | 935 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
1fd2794f | 936 | |
8aad2464 | 937 | wl1271_rx(wl, &wl->fw_status->common); |
f5fc0f86 | 938 | |
a522550a | 939 | /* Check if any tx blocks were freed */ |
b07d4037 | 940 | spin_lock_irqsave(&wl->wl_lock, flags); |
a522550a | 941 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
6742f554 | 942 | wl->tx_queue_count) { |
b07d4037 | 943 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
a522550a IY |
944 | /* |
945 | * In order to avoid starvation of the TX path, | |
946 | * call the work function directly. | |
947 | */ | |
948 | wl1271_tx_work_locked(wl); | |
b07d4037 IY |
949 | } else { |
950 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
a522550a IY |
951 | } |
952 | ||
8aad2464 IY |
953 | /* check for tx results */ |
954 | if (wl->fw_status->common.tx_results_counter != | |
955 | (wl->tx_results_count & 0xff)) | |
956 | wl1271_tx_complete(wl); | |
a620865e IY |
957 | |
958 | /* Make sure the deferred queues don't get too long */ | |
959 | defer_count = skb_queue_len(&wl->deferred_tx_queue) + | |
960 | skb_queue_len(&wl->deferred_rx_queue); | |
961 | if (defer_count > WL1271_DEFERRED_QUEUE_LIMIT) | |
962 | wl1271_flush_deferred_work(wl); | |
1e73eb62 | 963 | } |
f5fc0f86 | 964 | |
1e73eb62 JO |
965 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
966 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); | |
967 | wl1271_event_handle(wl, 0); | |
968 | } | |
f5fc0f86 | 969 | |
1e73eb62 JO |
970 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
971 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
972 | wl1271_event_handle(wl, 1); | |
973 | } | |
f5fc0f86 | 974 | |
1e73eb62 JO |
975 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
976 | wl1271_debug(DEBUG_IRQ, | |
977 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 978 | |
1e73eb62 JO |
979 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
980 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
c15f63bf | 981 | } |
f5fc0f86 | 982 | |
f5fc0f86 LC |
983 | wl1271_ps_elp_sleep(wl); |
984 | ||
985 | out: | |
b07d4037 IY |
986 | spin_lock_irqsave(&wl->wl_lock, flags); |
987 | /* In case TX was not handled here, queue TX work */ | |
988 | clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); | |
989 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && | |
990 | wl->tx_queue_count) | |
991 | ieee80211_queue_work(wl->hw, &wl->tx_work); | |
992 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
993 | ||
f5fc0f86 | 994 | mutex_unlock(&wl->mutex); |
a620865e IY |
995 | |
996 | return IRQ_HANDLED; | |
f5fc0f86 | 997 | } |
a620865e | 998 | EXPORT_SYMBOL_GPL(wl1271_irq); |
f5fc0f86 | 999 | |
f5fc0f86 LC |
1000 | static int wl1271_fetch_firmware(struct wl1271 *wl) |
1001 | { | |
1002 | const struct firmware *fw; | |
166d504e | 1003 | const char *fw_name; |
f5fc0f86 LC |
1004 | int ret; |
1005 | ||
166d504e AN |
1006 | switch (wl->bss_type) { |
1007 | case BSS_TYPE_AP_BSS: | |
1aed55fd AN |
1008 | if (wl->chip.id == CHIP_ID_1283_PG20) |
1009 | fw_name = WL128X_AP_FW_NAME; | |
1010 | else | |
1011 | fw_name = WL127X_AP_FW_NAME; | |
166d504e AN |
1012 | break; |
1013 | case BSS_TYPE_IBSS: | |
1014 | case BSS_TYPE_STA_BSS: | |
bc765bf3 SL |
1015 | if (wl->chip.id == CHIP_ID_1283_PG20) |
1016 | fw_name = WL128X_FW_NAME; | |
1017 | else | |
1018 | fw_name = WL1271_FW_NAME; | |
166d504e AN |
1019 | break; |
1020 | default: | |
1021 | wl1271_error("no compatible firmware for bss_type %d", | |
1022 | wl->bss_type); | |
1023 | return -EINVAL; | |
1024 | } | |
1025 | ||
1026 | wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name); | |
1027 | ||
1028 | ret = request_firmware(&fw, fw_name, wl1271_wl_to_dev(wl)); | |
f5fc0f86 LC |
1029 | |
1030 | if (ret < 0) { | |
1031 | wl1271_error("could not get firmware: %d", ret); | |
1032 | return ret; | |
1033 | } | |
1034 | ||
1035 | if (fw->size % 4) { | |
1036 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
1037 | fw->size); | |
1038 | ret = -EILSEQ; | |
1039 | goto out; | |
1040 | } | |
1041 | ||
166d504e | 1042 | vfree(wl->fw); |
f5fc0f86 | 1043 | wl->fw_len = fw->size; |
1fba4974 | 1044 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
1045 | |
1046 | if (!wl->fw) { | |
1047 | wl1271_error("could not allocate memory for the firmware"); | |
1048 | ret = -ENOMEM; | |
1049 | goto out; | |
1050 | } | |
1051 | ||
1052 | memcpy(wl->fw, fw->data, wl->fw_len); | |
166d504e | 1053 | wl->fw_bss_type = wl->bss_type; |
f5fc0f86 LC |
1054 | ret = 0; |
1055 | ||
1056 | out: | |
1057 | release_firmware(fw); | |
1058 | ||
1059 | return ret; | |
1060 | } | |
1061 | ||
1062 | static int wl1271_fetch_nvs(struct wl1271 *wl) | |
1063 | { | |
1064 | const struct firmware *fw; | |
1065 | int ret; | |
1066 | ||
5aa42346 | 1067 | ret = request_firmware(&fw, WL12XX_NVS_NAME, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
1068 | |
1069 | if (ret < 0) { | |
1070 | wl1271_error("could not get nvs file: %d", ret); | |
1071 | return ret; | |
1072 | } | |
1073 | ||
bc765bf3 | 1074 | wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); |
f5fc0f86 LC |
1075 | |
1076 | if (!wl->nvs) { | |
1077 | wl1271_error("could not allocate memory for the nvs file"); | |
1078 | ret = -ENOMEM; | |
1079 | goto out; | |
1080 | } | |
1081 | ||
02fabb0e JO |
1082 | wl->nvs_len = fw->size; |
1083 | ||
f5fc0f86 LC |
1084 | out: |
1085 | release_firmware(fw); | |
1086 | ||
1087 | return ret; | |
1088 | } | |
1089 | ||
52b0e7a6 JO |
1090 | static void wl1271_recovery_work(struct work_struct *work) |
1091 | { | |
1092 | struct wl1271 *wl = | |
1093 | container_of(work, struct wl1271, recovery_work); | |
1094 | ||
1095 | mutex_lock(&wl->mutex); | |
1096 | ||
1097 | if (wl->state != WL1271_STATE_ON) | |
1098 | goto out; | |
1099 | ||
52dcaf57 AN |
1100 | wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x", |
1101 | wl->chip.fw_ver_str, wl1271_read32(wl, SCR_PAD4)); | |
52b0e7a6 | 1102 | |
d25611da JO |
1103 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
1104 | ieee80211_connection_loss(wl->vif); | |
1105 | ||
7dece1c8 AN |
1106 | /* Prevent spurious TX during FW restart */ |
1107 | ieee80211_stop_queues(wl->hw); | |
1108 | ||
33c2c06c LC |
1109 | if (wl->sched_scanning) { |
1110 | ieee80211_sched_scan_stopped(wl->hw); | |
1111 | wl->sched_scanning = false; | |
1112 | } | |
1113 | ||
52b0e7a6 | 1114 | /* reboot the chipset */ |
7dece1c8 | 1115 | __wl1271_op_remove_interface(wl, false); |
52b0e7a6 JO |
1116 | ieee80211_restart_hw(wl->hw); |
1117 | ||
7dece1c8 AN |
1118 | /* |
1119 | * Its safe to enable TX now - the queues are stopped after a request | |
1120 | * to restart the HW. | |
1121 | */ | |
1122 | ieee80211_wake_queues(wl->hw); | |
1123 | ||
52b0e7a6 JO |
1124 | out: |
1125 | mutex_unlock(&wl->mutex); | |
1126 | } | |
1127 | ||
f5fc0f86 LC |
1128 | static void wl1271_fw_wakeup(struct wl1271 *wl) |
1129 | { | |
1130 | u32 elp_reg; | |
1131 | ||
1132 | elp_reg = ELPCTRL_WAKE_UP; | |
74621417 | 1133 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
f5fc0f86 LC |
1134 | } |
1135 | ||
1136 | static int wl1271_setup(struct wl1271 *wl) | |
1137 | { | |
1138 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); | |
1139 | if (!wl->fw_status) | |
1140 | return -ENOMEM; | |
1141 | ||
1142 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); | |
1143 | if (!wl->tx_res_if) { | |
1144 | kfree(wl->fw_status); | |
1145 | return -ENOMEM; | |
1146 | } | |
1147 | ||
f5fc0f86 LC |
1148 | return 0; |
1149 | } | |
1150 | ||
1151 | static int wl1271_chip_wakeup(struct wl1271 *wl) | |
1152 | { | |
451de97a | 1153 | struct wl1271_partition_set partition; |
f5fc0f86 LC |
1154 | int ret = 0; |
1155 | ||
01ac17ec | 1156 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
2cc78ff7 OBC |
1157 | ret = wl1271_power_on(wl); |
1158 | if (ret < 0) | |
1159 | goto out; | |
f5fc0f86 | 1160 | msleep(WL1271_POWER_ON_SLEEP); |
9b280722 TP |
1161 | wl1271_io_reset(wl); |
1162 | wl1271_io_init(wl); | |
f5fc0f86 LC |
1163 | |
1164 | /* We don't need a real memory partition here, because we only want | |
1165 | * to use the registers at this point. */ | |
451de97a JO |
1166 | memset(&partition, 0, sizeof(partition)); |
1167 | partition.reg.start = REGISTERS_BASE; | |
1168 | partition.reg.size = REGISTERS_DOWN_SIZE; | |
1169 | wl1271_set_partition(wl, &partition); | |
f5fc0f86 LC |
1170 | |
1171 | /* ELP module wake up */ | |
1172 | wl1271_fw_wakeup(wl); | |
1173 | ||
1174 | /* whal_FwCtrl_BootSm() */ | |
1175 | ||
1176 | /* 0. read chip id from CHIP_ID */ | |
7b048c52 | 1177 | wl->chip.id = wl1271_read32(wl, CHIP_ID_B); |
f5fc0f86 LC |
1178 | |
1179 | /* 1. check if chip id is valid */ | |
1180 | ||
1181 | switch (wl->chip.id) { | |
1182 | case CHIP_ID_1271_PG10: | |
1183 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", | |
1184 | wl->chip.id); | |
1185 | ||
1186 | ret = wl1271_setup(wl); | |
1187 | if (ret < 0) | |
9ccd9217 | 1188 | goto out; |
f5fc0f86 LC |
1189 | break; |
1190 | case CHIP_ID_1271_PG20: | |
1191 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", | |
1192 | wl->chip.id); | |
1193 | ||
564f5950 SL |
1194 | /* end-of-transaction flag should be set in wl127x AP mode */ |
1195 | if (wl->bss_type == BSS_TYPE_AP_BSS) | |
1196 | wl->quirks |= WL12XX_QUIRK_END_OF_TRANSACTION; | |
1197 | ||
f5fc0f86 LC |
1198 | ret = wl1271_setup(wl); |
1199 | if (ret < 0) | |
9ccd9217 | 1200 | goto out; |
f5fc0f86 | 1201 | break; |
0830ceed SL |
1202 | case CHIP_ID_1283_PG20: |
1203 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)", | |
1204 | wl->chip.id); | |
1205 | ||
1206 | ret = wl1271_setup(wl); | |
1207 | if (ret < 0) | |
1208 | goto out; | |
0da13da7 IY |
1209 | if (wl1271_set_block_size(wl)) |
1210 | wl->quirks |= WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT; | |
0830ceed SL |
1211 | break; |
1212 | case CHIP_ID_1283_PG10: | |
f5fc0f86 | 1213 | default: |
9ccd9217 | 1214 | wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
f5fc0f86 | 1215 | ret = -ENODEV; |
9ccd9217 | 1216 | goto out; |
f5fc0f86 LC |
1217 | } |
1218 | ||
166d504e AN |
1219 | /* Make sure the firmware type matches the BSS type */ |
1220 | if (wl->fw == NULL || wl->fw_bss_type != wl->bss_type) { | |
f5fc0f86 LC |
1221 | ret = wl1271_fetch_firmware(wl); |
1222 | if (ret < 0) | |
9ccd9217 | 1223 | goto out; |
f5fc0f86 LC |
1224 | } |
1225 | ||
1226 | /* No NVS from netlink, try to get it from the filesystem */ | |
1227 | if (wl->nvs == NULL) { | |
1228 | ret = wl1271_fetch_nvs(wl); | |
1229 | if (ret < 0) | |
9ccd9217 | 1230 | goto out; |
f5fc0f86 LC |
1231 | } |
1232 | ||
1233 | out: | |
1234 | return ret; | |
1235 | } | |
1236 | ||
e7ddf549 LC |
1237 | static unsigned int wl1271_get_fw_ver_quirks(struct wl1271 *wl) |
1238 | { | |
1239 | unsigned int quirks = 0; | |
1240 | unsigned int *fw_ver = wl->chip.fw_ver; | |
1241 | ||
1242 | /* Only for wl127x */ | |
1243 | if ((fw_ver[FW_VER_CHIP] == FW_VER_CHIP_WL127X) && | |
1244 | /* Check STA version */ | |
1245 | (((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_STA) && | |
1246 | (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_1_SPARE_STA_MIN)) || | |
1247 | /* Check AP version */ | |
1248 | ((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_AP) && | |
1249 | (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_1_SPARE_AP_MIN)))) | |
1250 | quirks |= WL12XX_QUIRK_USE_2_SPARE_BLOCKS; | |
1251 | ||
1252 | return quirks; | |
1253 | } | |
1254 | ||
f5fc0f86 LC |
1255 | int wl1271_plt_start(struct wl1271 *wl) |
1256 | { | |
9ccd9217 | 1257 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
1258 | int ret; |
1259 | ||
1260 | mutex_lock(&wl->mutex); | |
1261 | ||
1262 | wl1271_notice("power up"); | |
1263 | ||
1264 | if (wl->state != WL1271_STATE_OFF) { | |
1265 | wl1271_error("cannot go into PLT state because not " | |
1266 | "in off state: %d", wl->state); | |
1267 | ret = -EBUSY; | |
1268 | goto out; | |
1269 | } | |
1270 | ||
166d504e AN |
1271 | wl->bss_type = BSS_TYPE_STA_BSS; |
1272 | ||
9ccd9217 JO |
1273 | while (retries) { |
1274 | retries--; | |
1275 | ret = wl1271_chip_wakeup(wl); | |
1276 | if (ret < 0) | |
1277 | goto power_off; | |
f5fc0f86 | 1278 | |
9ccd9217 JO |
1279 | ret = wl1271_boot(wl); |
1280 | if (ret < 0) | |
1281 | goto power_off; | |
eb5b28d0 | 1282 | |
9ccd9217 JO |
1283 | ret = wl1271_plt_init(wl); |
1284 | if (ret < 0) | |
1285 | goto irq_disable; | |
bd5ea18f | 1286 | |
9ccd9217 JO |
1287 | wl->state = WL1271_STATE_PLT; |
1288 | wl1271_notice("firmware booted in PLT mode (%s)", | |
4b7fac77 | 1289 | wl->chip.fw_ver_str); |
e7ddf549 LC |
1290 | |
1291 | /* Check if any quirks are needed with older fw versions */ | |
1292 | wl->quirks |= wl1271_get_fw_ver_quirks(wl); | |
9ccd9217 | 1293 | goto out; |
eb5b28d0 | 1294 | |
9ccd9217 | 1295 | irq_disable: |
9ccd9217 JO |
1296 | mutex_unlock(&wl->mutex); |
1297 | /* Unlocking the mutex in the middle of handling is | |
1298 | inherently unsafe. In this case we deem it safe to do, | |
1299 | because we need to let any possibly pending IRQ out of | |
1300 | the system (and while we are WL1271_STATE_OFF the IRQ | |
1301 | work function will not do anything.) Also, any other | |
1302 | possible concurrent operations will fail due to the | |
1303 | current state, hence the wl1271 struct should be safe. */ | |
a620865e IY |
1304 | wl1271_disable_interrupts(wl); |
1305 | wl1271_flush_deferred_work(wl); | |
1306 | cancel_work_sync(&wl->netstack_work); | |
9ccd9217 JO |
1307 | mutex_lock(&wl->mutex); |
1308 | power_off: | |
1309 | wl1271_power_off(wl); | |
1310 | } | |
f5fc0f86 | 1311 | |
9ccd9217 JO |
1312 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
1313 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
1314 | out: |
1315 | mutex_unlock(&wl->mutex); | |
1316 | ||
1317 | return ret; | |
1318 | } | |
1319 | ||
4623ec7d | 1320 | static int __wl1271_plt_stop(struct wl1271 *wl) |
f5fc0f86 LC |
1321 | { |
1322 | int ret = 0; | |
1323 | ||
f5fc0f86 LC |
1324 | wl1271_notice("power down"); |
1325 | ||
1326 | if (wl->state != WL1271_STATE_PLT) { | |
1327 | wl1271_error("cannot power down because not in PLT " | |
1328 | "state: %d", wl->state); | |
1329 | ret = -EBUSY; | |
1330 | goto out; | |
1331 | } | |
1332 | ||
f5fc0f86 LC |
1333 | wl1271_power_off(wl); |
1334 | ||
1335 | wl->state = WL1271_STATE_OFF; | |
bd5ea18f | 1336 | wl->rx_counter = 0; |
f5fc0f86 | 1337 | |
f5fc0f86 | 1338 | mutex_unlock(&wl->mutex); |
a620865e IY |
1339 | wl1271_disable_interrupts(wl); |
1340 | wl1271_flush_deferred_work(wl); | |
1341 | cancel_work_sync(&wl->netstack_work); | |
52b0e7a6 | 1342 | cancel_work_sync(&wl->recovery_work); |
4ae3fa87 JO |
1343 | mutex_lock(&wl->mutex); |
1344 | out: | |
1345 | return ret; | |
1346 | } | |
1347 | ||
1348 | int wl1271_plt_stop(struct wl1271 *wl) | |
1349 | { | |
1350 | int ret; | |
8c7f4f31 | 1351 | |
4ae3fa87 JO |
1352 | mutex_lock(&wl->mutex); |
1353 | ret = __wl1271_plt_stop(wl); | |
1354 | mutex_unlock(&wl->mutex); | |
f5fc0f86 LC |
1355 | return ret; |
1356 | } | |
1357 | ||
7bb45683 | 1358 | static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
f5fc0f86 LC |
1359 | { |
1360 | struct wl1271 *wl = hw->priv; | |
830fb67b | 1361 | unsigned long flags; |
6742f554 | 1362 | int q; |
a8c0ddb5 | 1363 | u8 hlid = 0; |
f5fc0f86 | 1364 | |
b07d4037 IY |
1365 | q = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); |
1366 | ||
1367 | if (wl->bss_type == BSS_TYPE_AP_BSS) | |
1368 | hlid = wl1271_tx_get_hlid(skb); | |
1369 | ||
830fb67b | 1370 | spin_lock_irqsave(&wl->wl_lock, flags); |
b07d4037 | 1371 | |
6742f554 | 1372 | wl->tx_queue_count++; |
f4d08ddd AN |
1373 | |
1374 | /* | |
1375 | * The workqueue is slow to process the tx_queue and we need stop | |
1376 | * the queue here, otherwise the queue will get too long. | |
1377 | */ | |
1378 | if (wl->tx_queue_count >= WL1271_TX_QUEUE_HIGH_WATERMARK) { | |
1379 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues"); | |
1380 | ieee80211_stop_queues(wl->hw); | |
1381 | set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); | |
1382 | } | |
1383 | ||
830fb67b | 1384 | /* queue the packet */ |
a8c0ddb5 | 1385 | if (wl->bss_type == BSS_TYPE_AP_BSS) { |
a8c0ddb5 AN |
1386 | wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d", hlid, q); |
1387 | skb_queue_tail(&wl->links[hlid].tx_queue[q], skb); | |
1388 | } else { | |
1389 | skb_queue_tail(&wl->tx_queue[q], skb); | |
1390 | } | |
f5fc0f86 LC |
1391 | |
1392 | /* | |
1393 | * The chip specific setup must run before the first TX packet - | |
1394 | * before that, the tx_work will not be initialized! | |
1395 | */ | |
1396 | ||
b07d4037 IY |
1397 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
1398 | !test_bit(WL1271_FLAG_TX_PENDING, &wl->flags)) | |
a522550a | 1399 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
b07d4037 IY |
1400 | |
1401 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
f5fc0f86 LC |
1402 | } |
1403 | ||
ae47c45f SL |
1404 | int wl1271_tx_dummy_packet(struct wl1271 *wl) |
1405 | { | |
990f5de7 IY |
1406 | unsigned long flags; |
1407 | ||
1408 | spin_lock_irqsave(&wl->wl_lock, flags); | |
1409 | set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags); | |
1410 | wl->tx_queue_count++; | |
1411 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
1412 | ||
1413 | /* The FW is low on RX memory blocks, so send the dummy packet asap */ | |
1414 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) | |
1415 | wl1271_tx_work_locked(wl); | |
1416 | ||
1417 | /* | |
1418 | * If the FW TX is busy, TX work will be scheduled by the threaded | |
1419 | * interrupt handler function | |
1420 | */ | |
1421 | return 0; | |
1422 | } | |
1423 | ||
1424 | /* | |
1425 | * The size of the dummy packet should be at least 1400 bytes. However, in | |
1426 | * order to minimize the number of bus transactions, aligning it to 512 bytes | |
1427 | * boundaries could be beneficial, performance wise | |
1428 | */ | |
1429 | #define TOTAL_TX_DUMMY_PACKET_SIZE (ALIGN(1400, 512)) | |
1430 | ||
cf27d867 | 1431 | static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl) |
990f5de7 IY |
1432 | { |
1433 | struct sk_buff *skb; | |
ae47c45f | 1434 | struct ieee80211_hdr_3addr *hdr; |
990f5de7 IY |
1435 | unsigned int dummy_packet_size; |
1436 | ||
1437 | dummy_packet_size = TOTAL_TX_DUMMY_PACKET_SIZE - | |
1438 | sizeof(struct wl1271_tx_hw_descr) - sizeof(*hdr); | |
ae47c45f | 1439 | |
990f5de7 | 1440 | skb = dev_alloc_skb(TOTAL_TX_DUMMY_PACKET_SIZE); |
ae47c45f | 1441 | if (!skb) { |
990f5de7 IY |
1442 | wl1271_warning("Failed to allocate a dummy packet skb"); |
1443 | return NULL; | |
ae47c45f SL |
1444 | } |
1445 | ||
1446 | skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr)); | |
1447 | ||
1448 | hdr = (struct ieee80211_hdr_3addr *) skb_put(skb, sizeof(*hdr)); | |
1449 | memset(hdr, 0, sizeof(*hdr)); | |
1450 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
990f5de7 IY |
1451 | IEEE80211_STYPE_NULLFUNC | |
1452 | IEEE80211_FCTL_TODS); | |
ae47c45f | 1453 | |
990f5de7 | 1454 | memset(skb_put(skb, dummy_packet_size), 0, dummy_packet_size); |
ae47c45f | 1455 | |
18b92ffa LC |
1456 | /* Dummy packets require the TID to be management */ |
1457 | skb->priority = WL1271_TID_MGMT; | |
ae47c45f | 1458 | |
990f5de7 | 1459 | /* Initialize all fields that might be used */ |
86c438f4 | 1460 | skb_set_queue_mapping(skb, 0); |
990f5de7 | 1461 | memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info)); |
ae47c45f | 1462 | |
990f5de7 | 1463 | return skb; |
ae47c45f SL |
1464 | } |
1465 | ||
990f5de7 | 1466 | |
c2c192ac JO |
1467 | static struct notifier_block wl1271_dev_notifier = { |
1468 | .notifier_call = wl1271_dev_notify, | |
1469 | }; | |
1470 | ||
f634a4e7 | 1471 | #ifdef CONFIG_PM |
9439064c EP |
1472 | static int wl1271_configure_suspend(struct wl1271 *wl) |
1473 | { | |
1474 | int ret; | |
1475 | ||
1476 | if (wl->bss_type != BSS_TYPE_STA_BSS) | |
1477 | return 0; | |
1478 | ||
1479 | mutex_lock(&wl->mutex); | |
1480 | ||
1481 | ret = wl1271_ps_elp_wakeup(wl); | |
1482 | if (ret < 0) | |
1483 | goto out_unlock; | |
1484 | ||
1485 | /* enter psm if needed*/ | |
1486 | if (!test_bit(WL1271_FLAG_PSM, &wl->flags)) { | |
1487 | DECLARE_COMPLETION_ONSTACK(compl); | |
1488 | ||
1489 | wl->ps_compl = &compl; | |
1490 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, | |
1491 | wl->basic_rate, true); | |
1492 | if (ret < 0) | |
1493 | goto out_sleep; | |
1494 | ||
1495 | /* we must unlock here so we will be able to get events */ | |
1496 | wl1271_ps_elp_sleep(wl); | |
1497 | mutex_unlock(&wl->mutex); | |
1498 | ||
1499 | ret = wait_for_completion_timeout( | |
1500 | &compl, msecs_to_jiffies(WL1271_PS_COMPLETE_TIMEOUT)); | |
1501 | if (ret <= 0) { | |
1502 | wl1271_warning("couldn't enter ps mode!"); | |
1503 | ret = -EBUSY; | |
1504 | goto out; | |
1505 | } | |
1506 | ||
1507 | /* take mutex again, and wakeup */ | |
1508 | mutex_lock(&wl->mutex); | |
1509 | ||
1510 | ret = wl1271_ps_elp_wakeup(wl); | |
1511 | if (ret < 0) | |
1512 | goto out_unlock; | |
1513 | } | |
1514 | out_sleep: | |
1515 | wl1271_ps_elp_sleep(wl); | |
1516 | out_unlock: | |
1517 | mutex_unlock(&wl->mutex); | |
1518 | out: | |
1519 | return ret; | |
1520 | ||
1521 | } | |
1522 | ||
1523 | static void wl1271_configure_resume(struct wl1271 *wl) | |
1524 | { | |
1525 | int ret; | |
1526 | ||
1527 | if (wl->bss_type != BSS_TYPE_STA_BSS) | |
1528 | return; | |
1529 | ||
1530 | mutex_lock(&wl->mutex); | |
1531 | ret = wl1271_ps_elp_wakeup(wl); | |
1532 | if (ret < 0) | |
1533 | goto out; | |
1534 | ||
1535 | /* exit psm if it wasn't configured */ | |
1536 | if (!test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) | |
1537 | wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, | |
1538 | wl->basic_rate, true); | |
1539 | ||
1540 | wl1271_ps_elp_sleep(wl); | |
1541 | out: | |
1542 | mutex_unlock(&wl->mutex); | |
1543 | } | |
1544 | ||
402e4861 EP |
1545 | static int wl1271_op_suspend(struct ieee80211_hw *hw, |
1546 | struct cfg80211_wowlan *wow) | |
1547 | { | |
1548 | struct wl1271 *wl = hw->priv; | |
1549 | wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow); | |
1550 | wl->wow_enabled = !!wow; | |
f44e5868 | 1551 | if (wl->wow_enabled) { |
9439064c EP |
1552 | int ret; |
1553 | ret = wl1271_configure_suspend(wl); | |
1554 | if (ret < 0) { | |
1555 | wl1271_warning("couldn't prepare device to suspend"); | |
1556 | return ret; | |
1557 | } | |
f44e5868 EP |
1558 | /* flush any remaining work */ |
1559 | wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); | |
1560 | flush_delayed_work(&wl->scan_complete_work); | |
1561 | ||
1562 | /* | |
1563 | * disable and re-enable interrupts in order to flush | |
1564 | * the threaded_irq | |
1565 | */ | |
1566 | wl1271_disable_interrupts(wl); | |
1567 | ||
1568 | /* | |
1569 | * set suspended flag to avoid triggering a new threaded_irq | |
1570 | * work. no need for spinlock as interrupts are disabled. | |
1571 | */ | |
1572 | set_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1573 | ||
1574 | wl1271_enable_interrupts(wl); | |
1575 | flush_work(&wl->tx_work); | |
1576 | flush_delayed_work(&wl->pspoll_work); | |
1577 | flush_delayed_work(&wl->elp_work); | |
1578 | } | |
402e4861 EP |
1579 | return 0; |
1580 | } | |
1581 | ||
1582 | static int wl1271_op_resume(struct ieee80211_hw *hw) | |
1583 | { | |
1584 | struct wl1271 *wl = hw->priv; | |
1585 | wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d", | |
1586 | wl->wow_enabled); | |
f44e5868 EP |
1587 | |
1588 | /* | |
1589 | * re-enable irq_work enqueuing, and call irq_work directly if | |
1590 | * there is a pending work. | |
1591 | */ | |
1592 | if (wl->wow_enabled) { | |
1593 | struct wl1271 *wl = hw->priv; | |
1594 | unsigned long flags; | |
1595 | bool run_irq_work = false; | |
1596 | ||
1597 | spin_lock_irqsave(&wl->wl_lock, flags); | |
1598 | clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1599 | if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags)) | |
1600 | run_irq_work = true; | |
1601 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
1602 | ||
1603 | if (run_irq_work) { | |
1604 | wl1271_debug(DEBUG_MAC80211, | |
1605 | "run postponed irq_work directly"); | |
1606 | wl1271_irq(0, wl); | |
1607 | wl1271_enable_interrupts(wl); | |
1608 | } | |
9439064c EP |
1609 | |
1610 | wl1271_configure_resume(wl); | |
f44e5868 EP |
1611 | } |
1612 | ||
402e4861 EP |
1613 | return 0; |
1614 | } | |
f634a4e7 | 1615 | #endif |
402e4861 | 1616 | |
f5fc0f86 | 1617 | static int wl1271_op_start(struct ieee80211_hw *hw) |
1b72aecd JO |
1618 | { |
1619 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
1620 | ||
1621 | /* | |
1622 | * We have to delay the booting of the hardware because | |
1623 | * we need to know the local MAC address before downloading and | |
1624 | * initializing the firmware. The MAC address cannot be changed | |
1625 | * after boot, and without the proper MAC address, the firmware | |
1626 | * will not function properly. | |
1627 | * | |
1628 | * The MAC address is first known when the corresponding interface | |
1629 | * is added. That is where we will initialize the hardware. | |
166d504e AN |
1630 | * |
1631 | * In addition, we currently have different firmwares for AP and managed | |
1632 | * operation. We will know which to boot according to interface type. | |
1b72aecd JO |
1633 | */ |
1634 | ||
1635 | return 0; | |
1636 | } | |
1637 | ||
1638 | static void wl1271_op_stop(struct ieee80211_hw *hw) | |
1639 | { | |
1640 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
1641 | } | |
1642 | ||
1643 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, | |
1644 | struct ieee80211_vif *vif) | |
f5fc0f86 LC |
1645 | { |
1646 | struct wl1271 *wl = hw->priv; | |
ac01e948 | 1647 | struct wiphy *wiphy = hw->wiphy; |
9ccd9217 | 1648 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 | 1649 | int ret = 0; |
71125abd | 1650 | bool booted = false; |
f5fc0f86 | 1651 | |
1b72aecd JO |
1652 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
1653 | vif->type, vif->addr); | |
f5fc0f86 LC |
1654 | |
1655 | mutex_lock(&wl->mutex); | |
1b72aecd | 1656 | if (wl->vif) { |
71125abd EP |
1657 | wl1271_debug(DEBUG_MAC80211, |
1658 | "multiple vifs are not supported yet"); | |
1b72aecd JO |
1659 | ret = -EBUSY; |
1660 | goto out; | |
1661 | } | |
1662 | ||
13026dec JO |
1663 | /* |
1664 | * in some very corner case HW recovery scenarios its possible to | |
1665 | * get here before __wl1271_op_remove_interface is complete, so | |
1666 | * opt out if that is the case. | |
1667 | */ | |
1668 | if (test_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags)) { | |
1669 | ret = -EBUSY; | |
1670 | goto out; | |
1671 | } | |
1672 | ||
1b72aecd JO |
1673 | switch (vif->type) { |
1674 | case NL80211_IFTYPE_STATION: | |
1675 | wl->bss_type = BSS_TYPE_STA_BSS; | |
5da11dcd | 1676 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
1b72aecd JO |
1677 | break; |
1678 | case NL80211_IFTYPE_ADHOC: | |
1679 | wl->bss_type = BSS_TYPE_IBSS; | |
5da11dcd | 1680 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
1b72aecd | 1681 | break; |
038d925b AN |
1682 | case NL80211_IFTYPE_AP: |
1683 | wl->bss_type = BSS_TYPE_AP_BSS; | |
1684 | break; | |
1b72aecd JO |
1685 | default: |
1686 | ret = -EOPNOTSUPP; | |
1687 | goto out; | |
1688 | } | |
1689 | ||
1690 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); | |
f5fc0f86 LC |
1691 | |
1692 | if (wl->state != WL1271_STATE_OFF) { | |
1693 | wl1271_error("cannot start because not in off state: %d", | |
1694 | wl->state); | |
1695 | ret = -EBUSY; | |
1696 | goto out; | |
1697 | } | |
1698 | ||
9ccd9217 JO |
1699 | while (retries) { |
1700 | retries--; | |
1701 | ret = wl1271_chip_wakeup(wl); | |
1702 | if (ret < 0) | |
1703 | goto power_off; | |
f5fc0f86 | 1704 | |
9ccd9217 JO |
1705 | ret = wl1271_boot(wl); |
1706 | if (ret < 0) | |
1707 | goto power_off; | |
f5fc0f86 | 1708 | |
9ccd9217 JO |
1709 | ret = wl1271_hw_init(wl); |
1710 | if (ret < 0) | |
1711 | goto irq_disable; | |
f5fc0f86 | 1712 | |
71125abd EP |
1713 | booted = true; |
1714 | break; | |
eb5b28d0 | 1715 | |
9ccd9217 | 1716 | irq_disable: |
9ccd9217 JO |
1717 | mutex_unlock(&wl->mutex); |
1718 | /* Unlocking the mutex in the middle of handling is | |
1719 | inherently unsafe. In this case we deem it safe to do, | |
1720 | because we need to let any possibly pending IRQ out of | |
1721 | the system (and while we are WL1271_STATE_OFF the IRQ | |
1722 | work function will not do anything.) Also, any other | |
1723 | possible concurrent operations will fail due to the | |
1724 | current state, hence the wl1271 struct should be safe. */ | |
a620865e IY |
1725 | wl1271_disable_interrupts(wl); |
1726 | wl1271_flush_deferred_work(wl); | |
1727 | cancel_work_sync(&wl->netstack_work); | |
9ccd9217 JO |
1728 | mutex_lock(&wl->mutex); |
1729 | power_off: | |
1730 | wl1271_power_off(wl); | |
1731 | } | |
eb5b28d0 | 1732 | |
71125abd EP |
1733 | if (!booted) { |
1734 | wl1271_error("firmware boot failed despite %d retries", | |
1735 | WL1271_BOOT_RETRIES); | |
1736 | goto out; | |
1737 | } | |
1738 | ||
1739 | wl->vif = vif; | |
1740 | wl->state = WL1271_STATE_ON; | |
13026dec | 1741 | set_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags); |
4b7fac77 | 1742 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver_str); |
71125abd EP |
1743 | |
1744 | /* update hw/fw version info in wiphy struct */ | |
1745 | wiphy->hw_version = wl->chip.id; | |
4b7fac77 | 1746 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
71125abd EP |
1747 | sizeof(wiphy->fw_version)); |
1748 | ||
e7ddf549 LC |
1749 | /* Check if any quirks are needed with older fw versions */ |
1750 | wl->quirks |= wl1271_get_fw_ver_quirks(wl); | |
1751 | ||
fb6a6819 LC |
1752 | /* |
1753 | * Now we know if 11a is supported (info from the NVS), so disable | |
1754 | * 11a channels if not supported | |
1755 | */ | |
1756 | if (!wl->enable_11a) | |
1757 | wiphy->bands[IEEE80211_BAND_5GHZ]->n_channels = 0; | |
1758 | ||
1759 | wl1271_debug(DEBUG_MAC80211, "11a is %ssupported", | |
1760 | wl->enable_11a ? "" : "not "); | |
1761 | ||
eb5b28d0 | 1762 | out: |
f5fc0f86 LC |
1763 | mutex_unlock(&wl->mutex); |
1764 | ||
f9f774c1 | 1765 | mutex_lock(&wl_list_mutex); |
eb887dfd | 1766 | if (!ret) |
01c09162 | 1767 | list_add(&wl->list, &wl_list); |
f9f774c1 | 1768 | mutex_unlock(&wl_list_mutex); |
01c09162 | 1769 | |
f5fc0f86 LC |
1770 | return ret; |
1771 | } | |
1772 | ||
7dece1c8 AN |
1773 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
1774 | bool reset_tx_queues) | |
f5fc0f86 | 1775 | { |
f5fc0f86 LC |
1776 | int i; |
1777 | ||
1b72aecd | 1778 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
f5fc0f86 | 1779 | |
13026dec JO |
1780 | /* because of hardware recovery, we may get here twice */ |
1781 | if (wl->state != WL1271_STATE_ON) | |
1782 | return; | |
1783 | ||
1b72aecd | 1784 | wl1271_info("down"); |
f5fc0f86 | 1785 | |
f9f774c1 | 1786 | mutex_lock(&wl_list_mutex); |
01c09162 | 1787 | list_del(&wl->list); |
f9f774c1 | 1788 | mutex_unlock(&wl_list_mutex); |
01c09162 | 1789 | |
8d2ef7bd | 1790 | /* enable dyn ps just in case (if left on due to fw crash etc) */ |
9a547bf9 | 1791 | if (wl->bss_type == BSS_TYPE_STA_BSS) |
f532be6d | 1792 | ieee80211_enable_dyn_ps(wl->vif); |
8d2ef7bd | 1793 | |
08688d6b | 1794 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { |
08688d6b | 1795 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
4a31c11c | 1796 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
b739a42c | 1797 | wl->scan.req = NULL; |
76a029fb | 1798 | ieee80211_scan_completed(wl->hw, true); |
f5fc0f86 LC |
1799 | } |
1800 | ||
13026dec JO |
1801 | /* |
1802 | * this must be before the cancel_work calls below, so that the work | |
1803 | * functions don't perform further work. | |
1804 | */ | |
f5fc0f86 LC |
1805 | wl->state = WL1271_STATE_OFF; |
1806 | ||
f5fc0f86 LC |
1807 | mutex_unlock(&wl->mutex); |
1808 | ||
a620865e IY |
1809 | wl1271_disable_interrupts(wl); |
1810 | wl1271_flush_deferred_work(wl); | |
78abd320 | 1811 | cancel_delayed_work_sync(&wl->scan_complete_work); |
a620865e | 1812 | cancel_work_sync(&wl->netstack_work); |
f5fc0f86 | 1813 | cancel_work_sync(&wl->tx_work); |
77ddaa10 EP |
1814 | del_timer_sync(&wl->rx_streaming_timer); |
1815 | cancel_work_sync(&wl->rx_streaming_enable_work); | |
1816 | cancel_work_sync(&wl->rx_streaming_disable_work); | |
90494a90 | 1817 | cancel_delayed_work_sync(&wl->pspoll_work); |
8c7f4f31 | 1818 | cancel_delayed_work_sync(&wl->elp_work); |
f5fc0f86 LC |
1819 | |
1820 | mutex_lock(&wl->mutex); | |
1821 | ||
1822 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
7dece1c8 | 1823 | wl1271_tx_reset(wl, reset_tx_queues); |
f5fc0f86 LC |
1824 | wl1271_power_off(wl); |
1825 | ||
1826 | memset(wl->bssid, 0, ETH_ALEN); | |
1827 | memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); | |
1828 | wl->ssid_len = 0; | |
f5fc0f86 | 1829 | wl->bss_type = MAX_BSS_TYPE; |
5da11dcd | 1830 | wl->set_bss_type = MAX_BSS_TYPE; |
8a5a37a6 | 1831 | wl->band = IEEE80211_BAND_2GHZ; |
f5fc0f86 LC |
1832 | |
1833 | wl->rx_counter = 0; | |
19ad0715 | 1834 | wl->psm_entry_retry = 0; |
f5fc0f86 LC |
1835 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
1836 | wl->tx_blocks_available = 0; | |
d2f4d47d | 1837 | wl->tx_allocated_blocks = 0; |
f5fc0f86 LC |
1838 | wl->tx_results_count = 0; |
1839 | wl->tx_packets_count = 0; | |
ac4e4ce5 | 1840 | wl->tx_security_last_seq = 0; |
04e36fc5 | 1841 | wl->tx_security_seq = 0; |
f5fc0f86 LC |
1842 | wl->time_offset = 0; |
1843 | wl->session_counter = 0; | |
830fb67b | 1844 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
1b72aecd | 1845 | wl->vif = NULL; |
14b228a0 | 1846 | wl->filters = 0; |
7f179b46 | 1847 | wl1271_free_ap_keys(wl); |
f84f7d78 | 1848 | memset(wl->ap_hlid_map, 0, sizeof(wl->ap_hlid_map)); |
b622d992 AN |
1849 | wl->ap_fw_ps_map = 0; |
1850 | wl->ap_ps_map = 0; | |
33c2c06c | 1851 | wl->sched_scanning = false; |
d6e19d13 | 1852 | |
13026dec JO |
1853 | /* |
1854 | * this is performed after the cancel_work calls and the associated | |
1855 | * mutex_lock, so that wl1271_op_add_interface does not accidentally | |
1856 | * get executed before all these vars have been reset. | |
1857 | */ | |
1858 | wl->flags = 0; | |
1859 | ||
f5fc0f86 LC |
1860 | for (i = 0; i < NUM_TX_QUEUES; i++) |
1861 | wl->tx_blocks_freed[i] = 0; | |
1862 | ||
1863 | wl1271_debugfs_reset(wl); | |
bd9dc49c JO |
1864 | |
1865 | kfree(wl->fw_status); | |
1866 | wl->fw_status = NULL; | |
1867 | kfree(wl->tx_res_if); | |
1868 | wl->tx_res_if = NULL; | |
1869 | kfree(wl->target_mem_map); | |
1870 | wl->target_mem_map = NULL; | |
52a2a375 | 1871 | } |
bd9dc49c | 1872 | |
52a2a375 JO |
1873 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
1874 | struct ieee80211_vif *vif) | |
1875 | { | |
1876 | struct wl1271 *wl = hw->priv; | |
1877 | ||
1878 | mutex_lock(&wl->mutex); | |
67353299 JO |
1879 | /* |
1880 | * wl->vif can be null here if someone shuts down the interface | |
1881 | * just when hardware recovery has been started. | |
1882 | */ | |
1883 | if (wl->vif) { | |
1884 | WARN_ON(wl->vif != vif); | |
7dece1c8 | 1885 | __wl1271_op_remove_interface(wl, true); |
67353299 | 1886 | } |
52b0e7a6 | 1887 | |
67353299 | 1888 | mutex_unlock(&wl->mutex); |
52b0e7a6 | 1889 | cancel_work_sync(&wl->recovery_work); |
f5fc0f86 LC |
1890 | } |
1891 | ||
c5745187 | 1892 | void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters) |
14b228a0 | 1893 | { |
ae113b57 | 1894 | wl1271_set_default_filters(wl); |
14b228a0 JO |
1895 | |
1896 | /* combine requested filters with current filter config */ | |
1897 | filters = wl->filters | filters; | |
1898 | ||
1899 | wl1271_debug(DEBUG_FILTERS, "RX filters set: "); | |
1900 | ||
1901 | if (filters & FIF_PROMISC_IN_BSS) { | |
1902 | wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS"); | |
1903 | wl->rx_config &= ~CFG_UNI_FILTER_EN; | |
1904 | wl->rx_config |= CFG_BSSID_FILTER_EN; | |
1905 | } | |
1906 | if (filters & FIF_BCN_PRBRESP_PROMISC) { | |
1907 | wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC"); | |
1908 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1909 | wl->rx_config &= ~CFG_SSID_FILTER_EN; | |
1910 | } | |
1911 | if (filters & FIF_OTHER_BSS) { | |
1912 | wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS"); | |
1913 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1914 | } | |
1915 | if (filters & FIF_CONTROL) { | |
1916 | wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL"); | |
1917 | wl->rx_filter |= CFG_RX_CTL_EN; | |
1918 | } | |
1919 | if (filters & FIF_FCSFAIL) { | |
1920 | wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL"); | |
1921 | wl->rx_filter |= CFG_RX_FCS_ERROR; | |
1922 | } | |
1923 | } | |
1924 | ||
82429d32 | 1925 | static int wl1271_dummy_join(struct wl1271 *wl) |
c7f43e45 | 1926 | { |
e0d8bbf0 | 1927 | int ret = 0; |
c7f43e45 LC |
1928 | /* we need to use a dummy BSSID for now */ |
1929 | static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, | |
1930 | 0xad, 0xbe, 0xef }; | |
1931 | ||
c7f43e45 LC |
1932 | memcpy(wl->bssid, dummy_bssid, ETH_ALEN); |
1933 | ||
14b228a0 JO |
1934 | /* pass through frames from all BSS */ |
1935 | wl1271_configure_filters(wl, FIF_OTHER_BSS); | |
1936 | ||
5da11dcd | 1937 | ret = wl1271_cmd_join(wl, wl->set_bss_type); |
c7f43e45 LC |
1938 | if (ret < 0) |
1939 | goto out; | |
1940 | ||
71449f8d | 1941 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 LC |
1942 | |
1943 | out: | |
1944 | return ret; | |
1945 | } | |
1946 | ||
69e5434c | 1947 | static int wl1271_join(struct wl1271 *wl, bool set_assoc) |
82429d32 JO |
1948 | { |
1949 | int ret; | |
1950 | ||
69e5434c JO |
1951 | /* |
1952 | * One of the side effects of the JOIN command is that is clears | |
1953 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated | |
1954 | * to a WPA/WPA2 access point will therefore kill the data-path. | |
8bf69aae OBC |
1955 | * Currently the only valid scenario for JOIN during association |
1956 | * is on roaming, in which case we will also be given new keys. | |
1957 | * Keep the below message for now, unless it starts bothering | |
1958 | * users who really like to roam a lot :) | |
69e5434c JO |
1959 | */ |
1960 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
1961 | wl1271_info("JOIN while associated."); | |
1962 | ||
1963 | if (set_assoc) | |
1964 | set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); | |
1965 | ||
82429d32 JO |
1966 | ret = wl1271_cmd_join(wl, wl->set_bss_type); |
1967 | if (ret < 0) | |
1968 | goto out; | |
1969 | ||
1970 | set_bit(WL1271_FLAG_JOINED, &wl->flags); | |
1971 | ||
1972 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
1973 | goto out; | |
1974 | ||
1975 | /* | |
1976 | * The join command disable the keep-alive mode, shut down its process, | |
1977 | * and also clear the template config, so we need to reset it all after | |
1978 | * the join. The acx_aid starts the keep-alive process, and the order | |
1979 | * of the commands below is relevant. | |
1980 | */ | |
1981 | ret = wl1271_acx_keep_alive_mode(wl, true); | |
1982 | if (ret < 0) | |
1983 | goto out; | |
1984 | ||
1985 | ret = wl1271_acx_aid(wl, wl->aid); | |
1986 | if (ret < 0) | |
1987 | goto out; | |
1988 | ||
1989 | ret = wl1271_cmd_build_klv_null_data(wl); | |
1990 | if (ret < 0) | |
1991 | goto out; | |
1992 | ||
1993 | ret = wl1271_acx_keep_alive_config(wl, CMD_TEMPL_KLV_IDX_NULL_DATA, | |
1994 | ACX_KEEP_ALIVE_TPL_VALID); | |
1995 | if (ret < 0) | |
1996 | goto out; | |
1997 | ||
1998 | out: | |
1999 | return ret; | |
2000 | } | |
2001 | ||
2002 | static int wl1271_unjoin(struct wl1271 *wl) | |
c7f43e45 LC |
2003 | { |
2004 | int ret; | |
2005 | ||
2006 | /* to stop listening to a channel, we disconnect */ | |
2007 | ret = wl1271_cmd_disconnect(wl); | |
2008 | if (ret < 0) | |
2009 | goto out; | |
2010 | ||
71449f8d | 2011 | clear_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 | 2012 | memset(wl->bssid, 0, ETH_ALEN); |
14b228a0 | 2013 | |
c5745187 | 2014 | /* stop filtering packets based on bssid */ |
14b228a0 | 2015 | wl1271_configure_filters(wl, FIF_OTHER_BSS); |
c7f43e45 LC |
2016 | |
2017 | out: | |
2018 | return ret; | |
2019 | } | |
2020 | ||
ebba60c6 JO |
2021 | static void wl1271_set_band_rate(struct wl1271 *wl) |
2022 | { | |
2023 | if (wl->band == IEEE80211_BAND_2GHZ) | |
2024 | wl->basic_rate_set = wl->conf.tx.basic_rate; | |
2025 | else | |
2026 | wl->basic_rate_set = wl->conf.tx.basic_rate_5; | |
2027 | } | |
2028 | ||
bee0ffec | 2029 | static int wl1271_sta_handle_idle(struct wl1271 *wl, bool idle) |
0d58cbff JO |
2030 | { |
2031 | int ret; | |
2032 | ||
2033 | if (idle) { | |
2034 | if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { | |
2035 | ret = wl1271_unjoin(wl); | |
2036 | if (ret < 0) | |
2037 | goto out; | |
2038 | } | |
e0fe371b | 2039 | wl->rate_set = wl1271_tx_min_rate_get(wl); |
79b223f4 | 2040 | ret = wl1271_acx_sta_rate_policies(wl); |
0d58cbff JO |
2041 | if (ret < 0) |
2042 | goto out; | |
2043 | ret = wl1271_acx_keep_alive_config( | |
2044 | wl, CMD_TEMPL_KLV_IDX_NULL_DATA, | |
2045 | ACX_KEEP_ALIVE_TPL_INVALID); | |
2046 | if (ret < 0) | |
2047 | goto out; | |
2048 | set_bit(WL1271_FLAG_IDLE, &wl->flags); | |
2049 | } else { | |
2050 | /* increment the session counter */ | |
2051 | wl->session_counter++; | |
2052 | if (wl->session_counter >= SESSION_COUNTER_MAX) | |
2053 | wl->session_counter = 0; | |
33c2c06c LC |
2054 | |
2055 | /* The current firmware only supports sched_scan in idle */ | |
2056 | if (wl->sched_scanning) { | |
2057 | wl1271_scan_sched_scan_stop(wl); | |
2058 | ieee80211_sched_scan_stopped(wl->hw); | |
2059 | } | |
2060 | ||
0d58cbff JO |
2061 | ret = wl1271_dummy_join(wl); |
2062 | if (ret < 0) | |
2063 | goto out; | |
2064 | clear_bit(WL1271_FLAG_IDLE, &wl->flags); | |
2065 | } | |
2066 | ||
2067 | out: | |
2068 | return ret; | |
2069 | } | |
2070 | ||
f5fc0f86 LC |
2071 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
2072 | { | |
2073 | struct wl1271 *wl = hw->priv; | |
2074 | struct ieee80211_conf *conf = &hw->conf; | |
2075 | int channel, ret = 0; | |
bee0ffec | 2076 | bool is_ap; |
f5fc0f86 LC |
2077 | |
2078 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); | |
2079 | ||
bee0ffec AN |
2080 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s" |
2081 | " changed 0x%x", | |
f5fc0f86 LC |
2082 | channel, |
2083 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", | |
c7f43e45 | 2084 | conf->power_level, |
bee0ffec AN |
2085 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use", |
2086 | changed); | |
f5fc0f86 | 2087 | |
781608c4 JO |
2088 | /* |
2089 | * mac80211 will go to idle nearly immediately after transmitting some | |
2090 | * frames, such as the deauth. To make sure those frames reach the air, | |
2091 | * wait here until the TX queue is fully flushed. | |
2092 | */ | |
2093 | if ((changed & IEEE80211_CONF_CHANGE_IDLE) && | |
2094 | (conf->flags & IEEE80211_CONF_IDLE)) | |
2095 | wl1271_tx_flush(wl); | |
2096 | ||
f5fc0f86 LC |
2097 | mutex_lock(&wl->mutex); |
2098 | ||
f8d9802f | 2099 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
17e672d6 AN |
2100 | /* we support configuring the channel and band while off */ |
2101 | if ((changed & IEEE80211_CONF_CHANGE_CHANNEL)) { | |
2102 | wl->band = conf->channel->band; | |
2103 | wl->channel = channel; | |
2104 | } | |
2105 | ||
2c10bb9c | 2106 | goto out; |
f8d9802f | 2107 | } |
8a5a37a6 | 2108 | |
bee0ffec AN |
2109 | is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
2110 | ||
a620865e | 2111 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
2112 | if (ret < 0) |
2113 | goto out; | |
2114 | ||
ebba60c6 | 2115 | /* if the channel changes while joined, join again */ |
69e5434c JO |
2116 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL && |
2117 | ((wl->band != conf->channel->band) || | |
2118 | (wl->channel != channel))) { | |
ebba60c6 JO |
2119 | wl->band = conf->channel->band; |
2120 | wl->channel = channel; | |
2121 | ||
bee0ffec AN |
2122 | if (!is_ap) { |
2123 | /* | |
2124 | * FIXME: the mac80211 should really provide a fixed | |
2125 | * rate to use here. for now, just use the smallest | |
2126 | * possible rate for the band as a fixed rate for | |
2127 | * association frames and other control messages. | |
2128 | */ | |
2129 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
2130 | wl1271_set_band_rate(wl); | |
2131 | ||
2132 | wl->basic_rate = wl1271_tx_min_rate_get(wl); | |
2133 | ret = wl1271_acx_sta_rate_policies(wl); | |
ebba60c6 | 2134 | if (ret < 0) |
bee0ffec | 2135 | wl1271_warning("rate policy for channel " |
ebba60c6 | 2136 | "failed %d", ret); |
bee0ffec AN |
2137 | |
2138 | if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { | |
2139 | ret = wl1271_join(wl, false); | |
2140 | if (ret < 0) | |
2141 | wl1271_warning("cmd join on channel " | |
2142 | "failed %d", ret); | |
2143 | } | |
ebba60c6 JO |
2144 | } |
2145 | } | |
2146 | ||
bee0ffec AN |
2147 | if (changed & IEEE80211_CONF_CHANGE_IDLE && !is_ap) { |
2148 | ret = wl1271_sta_handle_idle(wl, | |
2149 | conf->flags & IEEE80211_CONF_IDLE); | |
0d58cbff JO |
2150 | if (ret < 0) |
2151 | wl1271_warning("idle mode change failed %d", ret); | |
f5fc0f86 LC |
2152 | } |
2153 | ||
90494a90 JO |
2154 | /* |
2155 | * if mac80211 changes the PSM mode, make sure the mode is not | |
2156 | * incorrectly changed after the pspoll failure active window. | |
2157 | */ | |
2158 | if (changed & IEEE80211_CONF_CHANGE_PS) | |
2159 | clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags); | |
2160 | ||
71449f8d JO |
2161 | if (conf->flags & IEEE80211_CONF_PS && |
2162 | !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { | |
2163 | set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); | |
f5fc0f86 LC |
2164 | |
2165 | /* | |
2166 | * We enter PSM only if we're already associated. | |
2167 | * If we're not, we'll enter it when joining an SSID, | |
2168 | * through the bss_info_changed() hook. | |
2169 | */ | |
830fb67b | 2170 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { |
18f8d468 | 2171 | wl1271_debug(DEBUG_PSM, "psm enabled"); |
d8c42c0c | 2172 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
8eab7b47 | 2173 | wl->basic_rate, true); |
af5e084b | 2174 | } |
f5fc0f86 | 2175 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
71449f8d | 2176 | test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
18f8d468 | 2177 | wl1271_debug(DEBUG_PSM, "psm disabled"); |
f5fc0f86 | 2178 | |
71449f8d | 2179 | clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
f5fc0f86 | 2180 | |
71449f8d | 2181 | if (test_bit(WL1271_FLAG_PSM, &wl->flags)) |
d8c42c0c | 2182 | ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
8eab7b47 | 2183 | wl->basic_rate, true); |
f5fc0f86 LC |
2184 | } |
2185 | ||
2186 | if (conf->power_level != wl->power_level) { | |
2187 | ret = wl1271_acx_tx_power(wl, conf->power_level); | |
2188 | if (ret < 0) | |
c6317a54 | 2189 | goto out_sleep; |
f5fc0f86 LC |
2190 | |
2191 | wl->power_level = conf->power_level; | |
2192 | } | |
2193 | ||
2194 | out_sleep: | |
2195 | wl1271_ps_elp_sleep(wl); | |
2196 | ||
2197 | out: | |
2198 | mutex_unlock(&wl->mutex); | |
2199 | ||
2200 | return ret; | |
2201 | } | |
2202 | ||
b54853f1 JO |
2203 | struct wl1271_filter_params { |
2204 | bool enabled; | |
2205 | int mc_list_length; | |
2206 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
2207 | }; | |
2208 | ||
22bedad3 JP |
2209 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
2210 | struct netdev_hw_addr_list *mc_list) | |
c87dec9f | 2211 | { |
c87dec9f | 2212 | struct wl1271_filter_params *fp; |
22bedad3 | 2213 | struct netdev_hw_addr *ha; |
2c10bb9c | 2214 | struct wl1271 *wl = hw->priv; |
c87dec9f | 2215 | |
2c10bb9c SD |
2216 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
2217 | return 0; | |
c87dec9f | 2218 | |
74441130 | 2219 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
2220 | if (!fp) { |
2221 | wl1271_error("Out of memory setting filters."); | |
2222 | return 0; | |
2223 | } | |
2224 | ||
2225 | /* update multicast filtering parameters */ | |
c87dec9f | 2226 | fp->mc_list_length = 0; |
22bedad3 JP |
2227 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
2228 | fp->enabled = false; | |
2229 | } else { | |
2230 | fp->enabled = true; | |
2231 | netdev_hw_addr_list_for_each(ha, mc_list) { | |
c87dec9f | 2232 | memcpy(fp->mc_list[fp->mc_list_length], |
22bedad3 | 2233 | ha->addr, ETH_ALEN); |
c87dec9f | 2234 | fp->mc_list_length++; |
22bedad3 | 2235 | } |
c87dec9f JO |
2236 | } |
2237 | ||
b54853f1 | 2238 | return (u64)(unsigned long)fp; |
c87dec9f | 2239 | } |
f5fc0f86 | 2240 | |
b54853f1 JO |
2241 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
2242 | FIF_ALLMULTI | \ | |
2243 | FIF_FCSFAIL | \ | |
2244 | FIF_BCN_PRBRESP_PROMISC | \ | |
2245 | FIF_CONTROL | \ | |
2246 | FIF_OTHER_BSS) | |
2247 | ||
f5fc0f86 LC |
2248 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
2249 | unsigned int changed, | |
c87dec9f | 2250 | unsigned int *total, u64 multicast) |
f5fc0f86 | 2251 | { |
b54853f1 | 2252 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 2253 | struct wl1271 *wl = hw->priv; |
b54853f1 | 2254 | int ret; |
f5fc0f86 | 2255 | |
7d057869 AN |
2256 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter changed %x" |
2257 | " total %x", changed, *total); | |
f5fc0f86 | 2258 | |
b54853f1 JO |
2259 | mutex_lock(&wl->mutex); |
2260 | ||
2c10bb9c SD |
2261 | *total &= WL1271_SUPPORTED_FILTERS; |
2262 | changed &= WL1271_SUPPORTED_FILTERS; | |
2263 | ||
2264 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
b54853f1 JO |
2265 | goto out; |
2266 | ||
a620865e | 2267 | ret = wl1271_ps_elp_wakeup(wl); |
b54853f1 JO |
2268 | if (ret < 0) |
2269 | goto out; | |
2270 | ||
7d057869 AN |
2271 | if (wl->bss_type != BSS_TYPE_AP_BSS) { |
2272 | if (*total & FIF_ALLMULTI) | |
2273 | ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); | |
2274 | else if (fp) | |
2275 | ret = wl1271_acx_group_address_tbl(wl, fp->enabled, | |
2276 | fp->mc_list, | |
2277 | fp->mc_list_length); | |
2278 | if (ret < 0) | |
2279 | goto out_sleep; | |
2280 | } | |
f5fc0f86 | 2281 | |
b54853f1 JO |
2282 | /* determine, whether supported filter values have changed */ |
2283 | if (changed == 0) | |
2284 | goto out_sleep; | |
c87dec9f | 2285 | |
14b228a0 JO |
2286 | /* configure filters */ |
2287 | wl->filters = *total; | |
2288 | wl1271_configure_filters(wl, 0); | |
2289 | ||
b54853f1 JO |
2290 | /* apply configured filters */ |
2291 | ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter); | |
2292 | if (ret < 0) | |
2293 | goto out_sleep; | |
2294 | ||
2295 | out_sleep: | |
2296 | wl1271_ps_elp_sleep(wl); | |
2297 | ||
2298 | out: | |
2299 | mutex_unlock(&wl->mutex); | |
14b228a0 | 2300 | kfree(fp); |
f5fc0f86 LC |
2301 | } |
2302 | ||
7f179b46 AN |
2303 | static int wl1271_record_ap_key(struct wl1271 *wl, u8 id, u8 key_type, |
2304 | u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, | |
2305 | u16 tx_seq_16) | |
2306 | { | |
2307 | struct wl1271_ap_key *ap_key; | |
2308 | int i; | |
2309 | ||
2310 | wl1271_debug(DEBUG_CRYPT, "record ap key id %d", (int)id); | |
2311 | ||
2312 | if (key_size > MAX_KEY_SIZE) | |
2313 | return -EINVAL; | |
2314 | ||
2315 | /* | |
2316 | * Find next free entry in ap_keys. Also check we are not replacing | |
2317 | * an existing key. | |
2318 | */ | |
2319 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
2320 | if (wl->recorded_ap_keys[i] == NULL) | |
2321 | break; | |
2322 | ||
2323 | if (wl->recorded_ap_keys[i]->id == id) { | |
2324 | wl1271_warning("trying to record key replacement"); | |
2325 | return -EINVAL; | |
2326 | } | |
2327 | } | |
2328 | ||
2329 | if (i == MAX_NUM_KEYS) | |
2330 | return -EBUSY; | |
2331 | ||
2332 | ap_key = kzalloc(sizeof(*ap_key), GFP_KERNEL); | |
2333 | if (!ap_key) | |
2334 | return -ENOMEM; | |
2335 | ||
2336 | ap_key->id = id; | |
2337 | ap_key->key_type = key_type; | |
2338 | ap_key->key_size = key_size; | |
2339 | memcpy(ap_key->key, key, key_size); | |
2340 | ap_key->hlid = hlid; | |
2341 | ap_key->tx_seq_32 = tx_seq_32; | |
2342 | ap_key->tx_seq_16 = tx_seq_16; | |
2343 | ||
2344 | wl->recorded_ap_keys[i] = ap_key; | |
2345 | return 0; | |
2346 | } | |
2347 | ||
2348 | static void wl1271_free_ap_keys(struct wl1271 *wl) | |
2349 | { | |
2350 | int i; | |
2351 | ||
2352 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
2353 | kfree(wl->recorded_ap_keys[i]); | |
2354 | wl->recorded_ap_keys[i] = NULL; | |
2355 | } | |
2356 | } | |
2357 | ||
2358 | static int wl1271_ap_init_hwenc(struct wl1271 *wl) | |
2359 | { | |
2360 | int i, ret = 0; | |
2361 | struct wl1271_ap_key *key; | |
2362 | bool wep_key_added = false; | |
2363 | ||
2364 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
2365 | if (wl->recorded_ap_keys[i] == NULL) | |
2366 | break; | |
2367 | ||
2368 | key = wl->recorded_ap_keys[i]; | |
2369 | ret = wl1271_cmd_set_ap_key(wl, KEY_ADD_OR_REPLACE, | |
2370 | key->id, key->key_type, | |
2371 | key->key_size, key->key, | |
2372 | key->hlid, key->tx_seq_32, | |
2373 | key->tx_seq_16); | |
2374 | if (ret < 0) | |
2375 | goto out; | |
2376 | ||
2377 | if (key->key_type == KEY_WEP) | |
2378 | wep_key_added = true; | |
2379 | } | |
2380 | ||
2381 | if (wep_key_added) { | |
2382 | ret = wl1271_cmd_set_ap_default_wep_key(wl, wl->default_key); | |
2383 | if (ret < 0) | |
2384 | goto out; | |
2385 | } | |
2386 | ||
2387 | out: | |
2388 | wl1271_free_ap_keys(wl); | |
2389 | return ret; | |
2390 | } | |
2391 | ||
2392 | static int wl1271_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type, | |
2393 | u8 key_size, const u8 *key, u32 tx_seq_32, | |
2394 | u16 tx_seq_16, struct ieee80211_sta *sta) | |
2395 | { | |
2396 | int ret; | |
2397 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); | |
2398 | ||
2399 | if (is_ap) { | |
2400 | struct wl1271_station *wl_sta; | |
2401 | u8 hlid; | |
2402 | ||
2403 | if (sta) { | |
2404 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
2405 | hlid = wl_sta->hlid; | |
2406 | } else { | |
2407 | hlid = WL1271_AP_BROADCAST_HLID; | |
2408 | } | |
2409 | ||
2410 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { | |
2411 | /* | |
2412 | * We do not support removing keys after AP shutdown. | |
2413 | * Pretend we do to make mac80211 happy. | |
2414 | */ | |
2415 | if (action != KEY_ADD_OR_REPLACE) | |
2416 | return 0; | |
2417 | ||
2418 | ret = wl1271_record_ap_key(wl, id, | |
2419 | key_type, key_size, | |
2420 | key, hlid, tx_seq_32, | |
2421 | tx_seq_16); | |
2422 | } else { | |
2423 | ret = wl1271_cmd_set_ap_key(wl, action, | |
2424 | id, key_type, key_size, | |
2425 | key, hlid, tx_seq_32, | |
2426 | tx_seq_16); | |
2427 | } | |
2428 | ||
2429 | if (ret < 0) | |
2430 | return ret; | |
2431 | } else { | |
2432 | const u8 *addr; | |
2433 | static const u8 bcast_addr[ETH_ALEN] = { | |
2434 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff | |
2435 | }; | |
2436 | ||
2437 | addr = sta ? sta->addr : bcast_addr; | |
2438 | ||
2439 | if (is_zero_ether_addr(addr)) { | |
2440 | /* We dont support TX only encryption */ | |
2441 | return -EOPNOTSUPP; | |
2442 | } | |
2443 | ||
2444 | /* The wl1271 does not allow to remove unicast keys - they | |
2445 | will be cleared automatically on next CMD_JOIN. Ignore the | |
2446 | request silently, as we dont want the mac80211 to emit | |
2447 | an error message. */ | |
2448 | if (action == KEY_REMOVE && !is_broadcast_ether_addr(addr)) | |
2449 | return 0; | |
2450 | ||
2451 | ret = wl1271_cmd_set_sta_key(wl, action, | |
2452 | id, key_type, key_size, | |
2453 | key, addr, tx_seq_32, | |
2454 | tx_seq_16); | |
2455 | if (ret < 0) | |
2456 | return ret; | |
2457 | ||
2458 | /* the default WEP key needs to be configured at least once */ | |
2459 | if (key_type == KEY_WEP) { | |
2460 | ret = wl1271_cmd_set_sta_default_wep_key(wl, | |
2461 | wl->default_key); | |
2462 | if (ret < 0) | |
2463 | return ret; | |
2464 | } | |
2465 | } | |
2466 | ||
2467 | return 0; | |
2468 | } | |
2469 | ||
f5fc0f86 LC |
2470 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
2471 | struct ieee80211_vif *vif, | |
2472 | struct ieee80211_sta *sta, | |
2473 | struct ieee80211_key_conf *key_conf) | |
2474 | { | |
2475 | struct wl1271 *wl = hw->priv; | |
f5fc0f86 | 2476 | int ret; |
ac4e4ce5 JO |
2477 | u32 tx_seq_32 = 0; |
2478 | u16 tx_seq_16 = 0; | |
f5fc0f86 LC |
2479 | u8 key_type; |
2480 | ||
f5fc0f86 LC |
2481 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); |
2482 | ||
7f179b46 | 2483 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x sta: %p", cmd, sta); |
f5fc0f86 | 2484 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", |
97359d12 | 2485 | key_conf->cipher, key_conf->keyidx, |
f5fc0f86 LC |
2486 | key_conf->keylen, key_conf->flags); |
2487 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
2488 | ||
f5fc0f86 LC |
2489 | mutex_lock(&wl->mutex); |
2490 | ||
f8d9802f JO |
2491 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
2492 | ret = -EAGAIN; | |
2493 | goto out_unlock; | |
2494 | } | |
2495 | ||
a620865e | 2496 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
2497 | if (ret < 0) |
2498 | goto out_unlock; | |
2499 | ||
97359d12 JB |
2500 | switch (key_conf->cipher) { |
2501 | case WLAN_CIPHER_SUITE_WEP40: | |
2502 | case WLAN_CIPHER_SUITE_WEP104: | |
f5fc0f86 LC |
2503 | key_type = KEY_WEP; |
2504 | ||
2505 | key_conf->hw_key_idx = key_conf->keyidx; | |
2506 | break; | |
97359d12 | 2507 | case WLAN_CIPHER_SUITE_TKIP: |
f5fc0f86 LC |
2508 | key_type = KEY_TKIP; |
2509 | ||
2510 | key_conf->hw_key_idx = key_conf->keyidx; | |
04e36fc5 JO |
2511 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
2512 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
f5fc0f86 | 2513 | break; |
97359d12 | 2514 | case WLAN_CIPHER_SUITE_CCMP: |
f5fc0f86 LC |
2515 | key_type = KEY_AES; |
2516 | ||
2517 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
04e36fc5 JO |
2518 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
2519 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
f5fc0f86 | 2520 | break; |
7a55724e JO |
2521 | case WL1271_CIPHER_SUITE_GEM: |
2522 | key_type = KEY_GEM; | |
2523 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); | |
2524 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
2525 | break; | |
f5fc0f86 | 2526 | default: |
97359d12 | 2527 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
f5fc0f86 LC |
2528 | |
2529 | ret = -EOPNOTSUPP; | |
2530 | goto out_sleep; | |
2531 | } | |
2532 | ||
2533 | switch (cmd) { | |
2534 | case SET_KEY: | |
7f179b46 AN |
2535 | ret = wl1271_set_key(wl, KEY_ADD_OR_REPLACE, |
2536 | key_conf->keyidx, key_type, | |
2537 | key_conf->keylen, key_conf->key, | |
2538 | tx_seq_32, tx_seq_16, sta); | |
f5fc0f86 LC |
2539 | if (ret < 0) { |
2540 | wl1271_error("Could not add or replace key"); | |
2541 | goto out_sleep; | |
2542 | } | |
2543 | break; | |
2544 | ||
2545 | case DISABLE_KEY: | |
7f179b46 AN |
2546 | ret = wl1271_set_key(wl, KEY_REMOVE, |
2547 | key_conf->keyidx, key_type, | |
2548 | key_conf->keylen, key_conf->key, | |
2549 | 0, 0, sta); | |
f5fc0f86 LC |
2550 | if (ret < 0) { |
2551 | wl1271_error("Could not remove key"); | |
2552 | goto out_sleep; | |
2553 | } | |
2554 | break; | |
2555 | ||
2556 | default: | |
2557 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
2558 | ret = -EOPNOTSUPP; | |
f5fc0f86 LC |
2559 | break; |
2560 | } | |
2561 | ||
2562 | out_sleep: | |
2563 | wl1271_ps_elp_sleep(wl); | |
2564 | ||
2565 | out_unlock: | |
2566 | mutex_unlock(&wl->mutex); | |
2567 | ||
f5fc0f86 LC |
2568 | return ret; |
2569 | } | |
2570 | ||
2571 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, | |
a060bbfe | 2572 | struct ieee80211_vif *vif, |
f5fc0f86 LC |
2573 | struct cfg80211_scan_request *req) |
2574 | { | |
2575 | struct wl1271 *wl = hw->priv; | |
2576 | int ret; | |
2577 | u8 *ssid = NULL; | |
abb0b3bf | 2578 | size_t len = 0; |
f5fc0f86 LC |
2579 | |
2580 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
2581 | ||
2582 | if (req->n_ssids) { | |
2583 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 2584 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
2585 | } |
2586 | ||
2587 | mutex_lock(&wl->mutex); | |
2588 | ||
b739a42c JO |
2589 | if (wl->state == WL1271_STATE_OFF) { |
2590 | /* | |
2591 | * We cannot return -EBUSY here because cfg80211 will expect | |
2592 | * a call to ieee80211_scan_completed if we do - in this case | |
2593 | * there won't be any call. | |
2594 | */ | |
2595 | ret = -EAGAIN; | |
2596 | goto out; | |
2597 | } | |
2598 | ||
a620865e | 2599 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
2600 | if (ret < 0) |
2601 | goto out; | |
2602 | ||
5924f89d | 2603 | ret = wl1271_scan(hw->priv, ssid, len, req); |
f5fc0f86 LC |
2604 | |
2605 | wl1271_ps_elp_sleep(wl); | |
2606 | ||
2607 | out: | |
2608 | mutex_unlock(&wl->mutex); | |
2609 | ||
2610 | return ret; | |
2611 | } | |
2612 | ||
33c2c06c LC |
2613 | static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, |
2614 | struct ieee80211_vif *vif, | |
2615 | struct cfg80211_sched_scan_request *req, | |
2616 | struct ieee80211_sched_scan_ies *ies) | |
2617 | { | |
2618 | struct wl1271 *wl = hw->priv; | |
2619 | int ret; | |
2620 | ||
2621 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_start"); | |
2622 | ||
2623 | mutex_lock(&wl->mutex); | |
2624 | ||
2625 | ret = wl1271_ps_elp_wakeup(wl); | |
2626 | if (ret < 0) | |
2627 | goto out; | |
2628 | ||
2629 | ret = wl1271_scan_sched_scan_config(wl, req, ies); | |
2630 | if (ret < 0) | |
2631 | goto out_sleep; | |
2632 | ||
2633 | ret = wl1271_scan_sched_scan_start(wl); | |
2634 | if (ret < 0) | |
2635 | goto out_sleep; | |
2636 | ||
2637 | wl->sched_scanning = true; | |
2638 | ||
2639 | out_sleep: | |
2640 | wl1271_ps_elp_sleep(wl); | |
2641 | out: | |
2642 | mutex_unlock(&wl->mutex); | |
2643 | return ret; | |
2644 | } | |
2645 | ||
2646 | static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, | |
2647 | struct ieee80211_vif *vif) | |
2648 | { | |
2649 | struct wl1271 *wl = hw->priv; | |
2650 | int ret; | |
2651 | ||
2652 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_stop"); | |
2653 | ||
2654 | mutex_lock(&wl->mutex); | |
2655 | ||
2656 | ret = wl1271_ps_elp_wakeup(wl); | |
2657 | if (ret < 0) | |
2658 | goto out; | |
2659 | ||
2660 | wl1271_scan_sched_scan_stop(wl); | |
2661 | ||
2662 | wl1271_ps_elp_sleep(wl); | |
2663 | out: | |
2664 | mutex_unlock(&wl->mutex); | |
2665 | } | |
2666 | ||
68d069c4 AN |
2667 | static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
2668 | { | |
2669 | struct wl1271 *wl = hw->priv; | |
2670 | int ret = 0; | |
2671 | ||
2672 | mutex_lock(&wl->mutex); | |
2673 | ||
2674 | if (unlikely(wl->state == WL1271_STATE_OFF)) { | |
2675 | ret = -EAGAIN; | |
2676 | goto out; | |
2677 | } | |
2678 | ||
a620865e | 2679 | ret = wl1271_ps_elp_wakeup(wl); |
68d069c4 AN |
2680 | if (ret < 0) |
2681 | goto out; | |
2682 | ||
5f704d18 | 2683 | ret = wl1271_acx_frag_threshold(wl, value); |
68d069c4 AN |
2684 | if (ret < 0) |
2685 | wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); | |
2686 | ||
2687 | wl1271_ps_elp_sleep(wl); | |
2688 | ||
2689 | out: | |
2690 | mutex_unlock(&wl->mutex); | |
2691 | ||
2692 | return ret; | |
2693 | } | |
2694 | ||
f5fc0f86 LC |
2695 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
2696 | { | |
2697 | struct wl1271 *wl = hw->priv; | |
aecb0565 | 2698 | int ret = 0; |
f5fc0f86 LC |
2699 | |
2700 | mutex_lock(&wl->mutex); | |
2701 | ||
f8d9802f JO |
2702 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
2703 | ret = -EAGAIN; | |
aecb0565 | 2704 | goto out; |
f8d9802f | 2705 | } |
aecb0565 | 2706 | |
a620865e | 2707 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
2708 | if (ret < 0) |
2709 | goto out; | |
2710 | ||
5f704d18 | 2711 | ret = wl1271_acx_rts_threshold(wl, value); |
f5fc0f86 LC |
2712 | if (ret < 0) |
2713 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); | |
2714 | ||
2715 | wl1271_ps_elp_sleep(wl); | |
2716 | ||
2717 | out: | |
2718 | mutex_unlock(&wl->mutex); | |
2719 | ||
2720 | return ret; | |
2721 | } | |
2722 | ||
e78a287a | 2723 | static int wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *skb, |
2f6724b2 | 2724 | int offset) |
30240fc7 | 2725 | { |
889cb360 EP |
2726 | u8 ssid_len; |
2727 | const u8 *ptr = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, | |
2728 | skb->len - offset); | |
30240fc7 | 2729 | |
889cb360 EP |
2730 | if (!ptr) { |
2731 | wl1271_error("No SSID in IEs!"); | |
2732 | return -ENOENT; | |
2733 | } | |
2734 | ||
2735 | ssid_len = ptr[1]; | |
2736 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { | |
2737 | wl1271_error("SSID is too long!"); | |
2738 | return -EINVAL; | |
30240fc7 | 2739 | } |
e78a287a | 2740 | |
889cb360 EP |
2741 | wl->ssid_len = ssid_len; |
2742 | memcpy(wl->ssid, ptr+2, ssid_len); | |
2743 | return 0; | |
30240fc7 JO |
2744 | } |
2745 | ||
e78a287a | 2746 | static int wl1271_bss_erp_info_changed(struct wl1271 *wl, |
f5fc0f86 LC |
2747 | struct ieee80211_bss_conf *bss_conf, |
2748 | u32 changed) | |
2749 | { | |
e78a287a | 2750 | int ret = 0; |
f5fc0f86 | 2751 | |
e78a287a AN |
2752 | if (changed & BSS_CHANGED_ERP_SLOT) { |
2753 | if (bss_conf->use_short_slot) | |
2754 | ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); | |
2755 | else | |
2756 | ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); | |
2757 | if (ret < 0) { | |
2758 | wl1271_warning("Set slot time failed %d", ret); | |
2759 | goto out; | |
2760 | } | |
2761 | } | |
f5fc0f86 | 2762 | |
e78a287a AN |
2763 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
2764 | if (bss_conf->use_short_preamble) | |
2765 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); | |
2766 | else | |
2767 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); | |
2768 | } | |
f5fc0f86 | 2769 | |
e78a287a AN |
2770 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
2771 | if (bss_conf->use_cts_prot) | |
2772 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); | |
2773 | else | |
2774 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); | |
2775 | if (ret < 0) { | |
2776 | wl1271_warning("Set ctsprotect failed %d", ret); | |
2777 | goto out; | |
2778 | } | |
2779 | } | |
f8d9802f | 2780 | |
e78a287a AN |
2781 | out: |
2782 | return ret; | |
2783 | } | |
f5fc0f86 | 2784 | |
e78a287a AN |
2785 | static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, |
2786 | struct ieee80211_vif *vif, | |
2787 | struct ieee80211_bss_conf *bss_conf, | |
2788 | u32 changed) | |
2789 | { | |
2790 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); | |
2791 | int ret = 0; | |
2792 | ||
2793 | if ((changed & BSS_CHANGED_BEACON_INT)) { | |
2794 | wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d", | |
60e84c2e JO |
2795 | bss_conf->beacon_int); |
2796 | ||
2797 | wl->beacon_int = bss_conf->beacon_int; | |
60e84c2e JO |
2798 | } |
2799 | ||
e78a287a AN |
2800 | if ((changed & BSS_CHANGED_BEACON)) { |
2801 | struct ieee80211_hdr *hdr; | |
2802 | int ieoffset = offsetof(struct ieee80211_mgmt, | |
2803 | u.beacon.variable); | |
2804 | struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); | |
2805 | u16 tmpl_id; | |
2806 | ||
2807 | if (!beacon) | |
2808 | goto out; | |
2809 | ||
2810 | wl1271_debug(DEBUG_MASTER, "beacon updated"); | |
2811 | ||
2812 | ret = wl1271_ssid_set(wl, beacon, ieoffset); | |
2813 | if (ret < 0) { | |
2814 | dev_kfree_skb(beacon); | |
2815 | goto out; | |
2816 | } | |
2817 | tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : | |
2818 | CMD_TEMPL_BEACON; | |
2819 | ret = wl1271_cmd_template_set(wl, tmpl_id, | |
2820 | beacon->data, | |
2821 | beacon->len, 0, | |
2822 | wl1271_tx_min_rate_get(wl)); | |
2823 | if (ret < 0) { | |
2824 | dev_kfree_skb(beacon); | |
2825 | goto out; | |
2826 | } | |
2827 | ||
2828 | hdr = (struct ieee80211_hdr *) beacon->data; | |
2829 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
2830 | IEEE80211_STYPE_PROBE_RESP); | |
2831 | ||
2832 | tmpl_id = is_ap ? CMD_TEMPL_AP_PROBE_RESPONSE : | |
2833 | CMD_TEMPL_PROBE_RESPONSE; | |
2834 | ret = wl1271_cmd_template_set(wl, | |
2835 | tmpl_id, | |
2836 | beacon->data, | |
2837 | beacon->len, 0, | |
2838 | wl1271_tx_min_rate_get(wl)); | |
2839 | dev_kfree_skb(beacon); | |
2840 | if (ret < 0) | |
2841 | goto out; | |
2842 | } | |
2843 | ||
2844 | out: | |
2845 | return ret; | |
2846 | } | |
2847 | ||
2848 | /* AP mode changes */ | |
2849 | static void wl1271_bss_info_changed_ap(struct wl1271 *wl, | |
2850 | struct ieee80211_vif *vif, | |
2851 | struct ieee80211_bss_conf *bss_conf, | |
2852 | u32 changed) | |
2853 | { | |
2854 | int ret = 0; | |
e0d8bbf0 | 2855 | |
e78a287a AN |
2856 | if ((changed & BSS_CHANGED_BASIC_RATES)) { |
2857 | u32 rates = bss_conf->basic_rates; | |
5da11dcd | 2858 | |
e78a287a AN |
2859 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates); |
2860 | wl->basic_rate = wl1271_tx_min_rate_get(wl); | |
70f47424 AN |
2861 | |
2862 | ret = wl1271_init_ap_rates(wl); | |
e78a287a | 2863 | if (ret < 0) { |
70f47424 | 2864 | wl1271_error("AP rate policy change failed %d", ret); |
e78a287a AN |
2865 | goto out; |
2866 | } | |
c45a85b5 AN |
2867 | |
2868 | ret = wl1271_ap_init_templates(wl); | |
2869 | if (ret < 0) | |
2870 | goto out; | |
e78a287a | 2871 | } |
2f6724b2 | 2872 | |
e78a287a AN |
2873 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); |
2874 | if (ret < 0) | |
2875 | goto out; | |
30240fc7 | 2876 | |
e78a287a AN |
2877 | if ((changed & BSS_CHANGED_BEACON_ENABLED)) { |
2878 | if (bss_conf->enable_beacon) { | |
2879 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { | |
2880 | ret = wl1271_cmd_start_bss(wl); | |
2881 | if (ret < 0) | |
2882 | goto out; | |
e0d8bbf0 | 2883 | |
e78a287a AN |
2884 | set_bit(WL1271_FLAG_AP_STARTED, &wl->flags); |
2885 | wl1271_debug(DEBUG_AP, "started AP"); | |
7f179b46 AN |
2886 | |
2887 | ret = wl1271_ap_init_hwenc(wl); | |
2888 | if (ret < 0) | |
2889 | goto out; | |
e0d8bbf0 | 2890 | } |
e78a287a AN |
2891 | } else { |
2892 | if (test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { | |
2893 | ret = wl1271_cmd_stop_bss(wl); | |
2894 | if (ret < 0) | |
2895 | goto out; | |
e0d8bbf0 | 2896 | |
e78a287a AN |
2897 | clear_bit(WL1271_FLAG_AP_STARTED, &wl->flags); |
2898 | wl1271_debug(DEBUG_AP, "stopped AP"); | |
2899 | } | |
2900 | } | |
2901 | } | |
e0d8bbf0 | 2902 | |
e78a287a AN |
2903 | ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed); |
2904 | if (ret < 0) | |
2905 | goto out; | |
2906 | out: | |
2907 | return; | |
2908 | } | |
8bf29b0e | 2909 | |
e78a287a AN |
2910 | /* STA/IBSS mode changes */ |
2911 | static void wl1271_bss_info_changed_sta(struct wl1271 *wl, | |
2912 | struct ieee80211_vif *vif, | |
2913 | struct ieee80211_bss_conf *bss_conf, | |
2914 | u32 changed) | |
2915 | { | |
2916 | bool do_join = false, set_assoc = false; | |
2917 | bool is_ibss = (wl->bss_type == BSS_TYPE_IBSS); | |
72c2d9e5 | 2918 | u32 sta_rate_set = 0; |
e78a287a | 2919 | int ret; |
2d6e4e76 | 2920 | struct ieee80211_sta *sta; |
a100885d AN |
2921 | bool sta_exists = false; |
2922 | struct ieee80211_sta_ht_cap sta_ht_cap; | |
e78a287a AN |
2923 | |
2924 | if (is_ibss) { | |
2925 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, | |
2926 | changed); | |
2927 | if (ret < 0) | |
2928 | goto out; | |
e0d8bbf0 JO |
2929 | } |
2930 | ||
e78a287a AN |
2931 | if ((changed & BSS_CHANGED_BEACON_INT) && is_ibss) |
2932 | do_join = true; | |
2933 | ||
2934 | /* Need to update the SSID (for filtering etc) */ | |
2935 | if ((changed & BSS_CHANGED_BEACON) && is_ibss) | |
2936 | do_join = true; | |
2937 | ||
2938 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && is_ibss) { | |
5da11dcd JO |
2939 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", |
2940 | bss_conf->enable_beacon ? "enabled" : "disabled"); | |
2941 | ||
2942 | if (bss_conf->enable_beacon) | |
2943 | wl->set_bss_type = BSS_TYPE_IBSS; | |
2944 | else | |
2945 | wl->set_bss_type = BSS_TYPE_STA_BSS; | |
2946 | do_join = true; | |
2947 | } | |
2948 | ||
e78a287a | 2949 | if ((changed & BSS_CHANGED_CQM)) { |
00236aed JO |
2950 | bool enable = false; |
2951 | if (bss_conf->cqm_rssi_thold) | |
2952 | enable = true; | |
2953 | ret = wl1271_acx_rssi_snr_trigger(wl, enable, | |
2954 | bss_conf->cqm_rssi_thold, | |
2955 | bss_conf->cqm_rssi_hyst); | |
2956 | if (ret < 0) | |
2957 | goto out; | |
2958 | wl->rssi_thold = bss_conf->cqm_rssi_thold; | |
2959 | } | |
2960 | ||
30240fc7 JO |
2961 | if ((changed & BSS_CHANGED_BSSID) && |
2962 | /* | |
2963 | * Now we know the correct bssid, so we send a new join command | |
2964 | * and enable the BSSID filter | |
2965 | */ | |
2966 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { | |
e78a287a | 2967 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); |
a0cb7be4 | 2968 | |
fa287b8f EP |
2969 | if (!is_zero_ether_addr(wl->bssid)) { |
2970 | ret = wl1271_cmd_build_null_data(wl); | |
2971 | if (ret < 0) | |
2972 | goto out; | |
30240fc7 | 2973 | |
fa287b8f EP |
2974 | ret = wl1271_build_qos_null_data(wl); |
2975 | if (ret < 0) | |
2976 | goto out; | |
30240fc7 | 2977 | |
fa287b8f EP |
2978 | /* filter out all packets not from this BSSID */ |
2979 | wl1271_configure_filters(wl, 0); | |
14b228a0 | 2980 | |
fa287b8f EP |
2981 | /* Need to update the BSSID (for filtering etc) */ |
2982 | do_join = true; | |
2983 | } | |
30240fc7 JO |
2984 | } |
2985 | ||
72c2d9e5 EP |
2986 | rcu_read_lock(); |
2987 | sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
2988 | if (sta) { | |
2989 | /* save the supp_rates of the ap */ | |
2990 | sta_rate_set = sta->supp_rates[wl->hw->conf.channel->band]; | |
2991 | if (sta->ht_cap.ht_supported) | |
2992 | sta_rate_set |= | |
2993 | (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET); | |
a100885d AN |
2994 | sta_ht_cap = sta->ht_cap; |
2995 | sta_exists = true; | |
2996 | } | |
2997 | rcu_read_unlock(); | |
72c2d9e5 | 2998 | |
a100885d | 2999 | if (sta_exists) { |
72c2d9e5 EP |
3000 | /* handle new association with HT and HT information change */ |
3001 | if ((changed & BSS_CHANGED_HT) && | |
3002 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { | |
a100885d | 3003 | ret = wl1271_acx_set_ht_capabilities(wl, &sta_ht_cap, |
72c2d9e5 EP |
3004 | true); |
3005 | if (ret < 0) { | |
3006 | wl1271_warning("Set ht cap true failed %d", | |
3007 | ret); | |
72c2d9e5 EP |
3008 | goto out; |
3009 | } | |
3010 | ret = wl1271_acx_set_ht_information(wl, | |
3011 | bss_conf->ht_operation_mode); | |
3012 | if (ret < 0) { | |
3013 | wl1271_warning("Set ht information failed %d", | |
3014 | ret); | |
72c2d9e5 EP |
3015 | goto out; |
3016 | } | |
3017 | } | |
3018 | /* handle new association without HT and disassociation */ | |
3019 | else if (changed & BSS_CHANGED_ASSOC) { | |
a100885d | 3020 | ret = wl1271_acx_set_ht_capabilities(wl, &sta_ht_cap, |
72c2d9e5 EP |
3021 | false); |
3022 | if (ret < 0) { | |
3023 | wl1271_warning("Set ht cap false failed %d", | |
3024 | ret); | |
72c2d9e5 EP |
3025 | goto out; |
3026 | } | |
3027 | } | |
3028 | } | |
72c2d9e5 | 3029 | |
e78a287a | 3030 | if ((changed & BSS_CHANGED_ASSOC)) { |
f5fc0f86 | 3031 | if (bss_conf->assoc) { |
ebba60c6 | 3032 | u32 rates; |
2f6724b2 | 3033 | int ieoffset; |
f5fc0f86 | 3034 | wl->aid = bss_conf->aid; |
69e5434c | 3035 | set_assoc = true; |
f5fc0f86 | 3036 | |
90494a90 JO |
3037 | wl->ps_poll_failures = 0; |
3038 | ||
ebba60c6 JO |
3039 | /* |
3040 | * use basic rates from AP, and determine lowest rate | |
3041 | * to use with control frames. | |
3042 | */ | |
3043 | rates = bss_conf->basic_rates; | |
3044 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, | |
3045 | rates); | |
e0fe371b | 3046 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
72c2d9e5 EP |
3047 | if (sta_rate_set) |
3048 | wl->rate_set = wl1271_tx_enabled_rates_get(wl, | |
3049 | sta_rate_set); | |
79b223f4 | 3050 | ret = wl1271_acx_sta_rate_policies(wl); |
ebba60c6 | 3051 | if (ret < 0) |
e78a287a | 3052 | goto out; |
ebba60c6 | 3053 | |
ae751bab LC |
3054 | /* |
3055 | * with wl1271, we don't need to update the | |
3056 | * beacon_int and dtim_period, because the firmware | |
3057 | * updates it by itself when the first beacon is | |
3058 | * received after a join. | |
3059 | */ | |
f5fc0f86 LC |
3060 | ret = wl1271_cmd_build_ps_poll(wl, wl->aid); |
3061 | if (ret < 0) | |
e78a287a | 3062 | goto out; |
f5fc0f86 | 3063 | |
c2b2d99b | 3064 | /* |
2f6724b2 | 3065 | * Get a template for hardware connection maintenance |
c2b2d99b | 3066 | */ |
2f6724b2 JO |
3067 | dev_kfree_skb(wl->probereq); |
3068 | wl->probereq = wl1271_cmd_build_ap_probe_req(wl, NULL); | |
3069 | ieoffset = offsetof(struct ieee80211_mgmt, | |
3070 | u.probe_req.variable); | |
3071 | wl1271_ssid_set(wl, wl->probereq, ieoffset); | |
c2b2d99b | 3072 | |
6ccbb92e JO |
3073 | /* enable the connection monitoring feature */ |
3074 | ret = wl1271_acx_conn_monit_params(wl, true); | |
f5fc0f86 | 3075 | if (ret < 0) |
e78a287a | 3076 | goto out; |
f5fc0f86 LC |
3077 | |
3078 | /* If we want to go in PSM but we're not there yet */ | |
71449f8d JO |
3079 | if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) && |
3080 | !test_bit(WL1271_FLAG_PSM, &wl->flags)) { | |
e78a287a AN |
3081 | enum wl1271_cmd_ps_mode mode; |
3082 | ||
f5fc0f86 | 3083 | mode = STATION_POWER_SAVE_MODE; |
65cddbf1 | 3084 | ret = wl1271_ps_set_mode(wl, mode, |
8eab7b47 | 3085 | wl->basic_rate, |
65cddbf1 | 3086 | true); |
f5fc0f86 | 3087 | if (ret < 0) |
e78a287a | 3088 | goto out; |
f5fc0f86 | 3089 | } |
d94cd297 JO |
3090 | } else { |
3091 | /* use defaults when not associated */ | |
30df14d0 EP |
3092 | bool was_assoc = |
3093 | !!test_and_clear_bit(WL1271_FLAG_STA_ASSOCIATED, | |
3094 | &wl->flags); | |
c2c192ac | 3095 | clear_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags); |
d94cd297 | 3096 | wl->aid = 0; |
6ccbb92e | 3097 | |
2f6724b2 JO |
3098 | /* free probe-request template */ |
3099 | dev_kfree_skb(wl->probereq); | |
3100 | wl->probereq = NULL; | |
3101 | ||
8d2ef7bd | 3102 | /* re-enable dynamic ps - just in case */ |
f532be6d | 3103 | ieee80211_enable_dyn_ps(wl->vif); |
8d2ef7bd | 3104 | |
ebba60c6 JO |
3105 | /* revert back to minimum rates for the current band */ |
3106 | wl1271_set_band_rate(wl); | |
e0fe371b | 3107 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
79b223f4 | 3108 | ret = wl1271_acx_sta_rate_policies(wl); |
ebba60c6 | 3109 | if (ret < 0) |
e78a287a | 3110 | goto out; |
ebba60c6 | 3111 | |
6ccbb92e JO |
3112 | /* disable connection monitor features */ |
3113 | ret = wl1271_acx_conn_monit_params(wl, false); | |
c1899554 JO |
3114 | |
3115 | /* Disable the keep-alive feature */ | |
3116 | ret = wl1271_acx_keep_alive_mode(wl, false); | |
6ccbb92e | 3117 | if (ret < 0) |
e78a287a | 3118 | goto out; |
b84a7d3d JO |
3119 | |
3120 | /* restore the bssid filter and go to dummy bssid */ | |
30df14d0 EP |
3121 | if (was_assoc) { |
3122 | wl1271_unjoin(wl); | |
3123 | wl1271_dummy_join(wl); | |
3124 | } | |
f5fc0f86 | 3125 | } |
f5fc0f86 LC |
3126 | } |
3127 | ||
d192d268 EP |
3128 | if (changed & BSS_CHANGED_IBSS) { |
3129 | wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", | |
3130 | bss_conf->ibss_joined); | |
3131 | ||
3132 | if (bss_conf->ibss_joined) { | |
3133 | u32 rates = bss_conf->basic_rates; | |
3134 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, | |
3135 | rates); | |
3136 | wl->basic_rate = wl1271_tx_min_rate_get(wl); | |
3137 | ||
3138 | /* by default, use 11b rates */ | |
3139 | wl->rate_set = CONF_TX_IBSS_DEFAULT_RATES; | |
3140 | ret = wl1271_acx_sta_rate_policies(wl); | |
3141 | if (ret < 0) | |
3142 | goto out; | |
3143 | } | |
3144 | } | |
3145 | ||
e78a287a AN |
3146 | ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed); |
3147 | if (ret < 0) | |
3148 | goto out; | |
f5fc0f86 | 3149 | |
ca52a5eb JO |
3150 | if (changed & BSS_CHANGED_ARP_FILTER) { |
3151 | __be32 addr = bss_conf->arp_addr_list[0]; | |
3152 | WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); | |
3153 | ||
c5312772 EP |
3154 | if (bss_conf->arp_addr_cnt == 1 && |
3155 | bss_conf->arp_filter_enabled) { | |
3156 | /* | |
3157 | * The template should have been configured only upon | |
3158 | * association. however, it seems that the correct ip | |
3159 | * isn't being set (when sending), so we have to | |
3160 | * reconfigure the template upon every ip change. | |
3161 | */ | |
3162 | ret = wl1271_cmd_build_arp_rsp(wl, addr); | |
3163 | if (ret < 0) { | |
3164 | wl1271_warning("build arp rsp failed: %d", ret); | |
e78a287a | 3165 | goto out; |
c5312772 EP |
3166 | } |
3167 | ||
3168 | ret = wl1271_acx_arp_ip_filter(wl, | |
e5e2f24b | 3169 | ACX_ARP_FILTER_ARP_FILTERING, |
c5312772 EP |
3170 | addr); |
3171 | } else | |
3172 | ret = wl1271_acx_arp_ip_filter(wl, 0, addr); | |
ca52a5eb JO |
3173 | |
3174 | if (ret < 0) | |
e78a287a | 3175 | goto out; |
ca52a5eb JO |
3176 | } |
3177 | ||
8bf29b0e | 3178 | if (do_join) { |
69e5434c | 3179 | ret = wl1271_join(wl, set_assoc); |
8bf29b0e JO |
3180 | if (ret < 0) { |
3181 | wl1271_warning("cmd join failed %d", ret); | |
e78a287a | 3182 | goto out; |
8bf29b0e | 3183 | } |
c1899554 JO |
3184 | } |
3185 | ||
e78a287a AN |
3186 | out: |
3187 | return; | |
3188 | } | |
3189 | ||
3190 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, | |
3191 | struct ieee80211_vif *vif, | |
3192 | struct ieee80211_bss_conf *bss_conf, | |
3193 | u32 changed) | |
3194 | { | |
3195 | struct wl1271 *wl = hw->priv; | |
3196 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); | |
3197 | int ret; | |
3198 | ||
3199 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed 0x%x", | |
3200 | (int)changed); | |
3201 | ||
3202 | mutex_lock(&wl->mutex); | |
3203 | ||
3204 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
3205 | goto out; | |
3206 | ||
a620865e | 3207 | ret = wl1271_ps_elp_wakeup(wl); |
e78a287a AN |
3208 | if (ret < 0) |
3209 | goto out; | |
3210 | ||
3211 | if (is_ap) | |
3212 | wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed); | |
3213 | else | |
3214 | wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed); | |
3215 | ||
f5fc0f86 LC |
3216 | wl1271_ps_elp_sleep(wl); |
3217 | ||
3218 | out: | |
3219 | mutex_unlock(&wl->mutex); | |
3220 | } | |
3221 | ||
c6999d83 KV |
3222 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, |
3223 | const struct ieee80211_tx_queue_params *params) | |
3224 | { | |
3225 | struct wl1271 *wl = hw->priv; | |
4695dc91 | 3226 | u8 ps_scheme; |
488fc540 | 3227 | int ret = 0; |
c6999d83 KV |
3228 | |
3229 | mutex_lock(&wl->mutex); | |
3230 | ||
3231 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
3232 | ||
4695dc91 KV |
3233 | if (params->uapsd) |
3234 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; | |
3235 | else | |
3236 | ps_scheme = CONF_PS_SCHEME_LEGACY; | |
3237 | ||
488fc540 AN |
3238 | if (wl->state == WL1271_STATE_OFF) { |
3239 | /* | |
3240 | * If the state is off, the parameters will be recorded and | |
3241 | * configured on init. This happens in AP-mode. | |
3242 | */ | |
3243 | struct conf_tx_ac_category *conf_ac = | |
3244 | &wl->conf.tx.ac_conf[wl1271_tx_get_queue(queue)]; | |
3245 | struct conf_tx_tid *conf_tid = | |
3246 | &wl->conf.tx.tid_conf[wl1271_tx_get_queue(queue)]; | |
3247 | ||
3248 | conf_ac->ac = wl1271_tx_get_queue(queue); | |
3249 | conf_ac->cw_min = (u8)params->cw_min; | |
3250 | conf_ac->cw_max = params->cw_max; | |
3251 | conf_ac->aifsn = params->aifs; | |
3252 | conf_ac->tx_op_limit = params->txop << 5; | |
3253 | ||
3254 | conf_tid->queue_id = wl1271_tx_get_queue(queue); | |
3255 | conf_tid->channel_type = CONF_CHANNEL_TYPE_EDCF; | |
3256 | conf_tid->tsid = wl1271_tx_get_queue(queue); | |
3257 | conf_tid->ps_scheme = ps_scheme; | |
3258 | conf_tid->ack_policy = CONF_ACK_POLICY_LEGACY; | |
3259 | conf_tid->apsd_conf[0] = 0; | |
3260 | conf_tid->apsd_conf[1] = 0; | |
c1b193eb EP |
3261 | goto out; |
3262 | } | |
488fc540 | 3263 | |
c1b193eb EP |
3264 | ret = wl1271_ps_elp_wakeup(wl); |
3265 | if (ret < 0) | |
3266 | goto out; | |
488fc540 | 3267 | |
c1b193eb EP |
3268 | /* |
3269 | * the txop is confed in units of 32us by the mac80211, | |
3270 | * we need us | |
3271 | */ | |
3272 | ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue), | |
3273 | params->cw_min, params->cw_max, | |
3274 | params->aifs, params->txop << 5); | |
3275 | if (ret < 0) | |
3276 | goto out_sleep; | |
3277 | ||
3278 | ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue), | |
3279 | CONF_CHANNEL_TYPE_EDCF, | |
3280 | wl1271_tx_get_queue(queue), | |
3281 | ps_scheme, CONF_ACK_POLICY_LEGACY, | |
3282 | 0, 0); | |
c82c1dde KV |
3283 | |
3284 | out_sleep: | |
c1b193eb | 3285 | wl1271_ps_elp_sleep(wl); |
c6999d83 KV |
3286 | |
3287 | out: | |
3288 | mutex_unlock(&wl->mutex); | |
3289 | ||
3290 | return ret; | |
3291 | } | |
3292 | ||
bbbb538e JO |
3293 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw) |
3294 | { | |
3295 | ||
3296 | struct wl1271 *wl = hw->priv; | |
3297 | u64 mactime = ULLONG_MAX; | |
3298 | int ret; | |
3299 | ||
3300 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); | |
3301 | ||
3302 | mutex_lock(&wl->mutex); | |
3303 | ||
f8d9802f JO |
3304 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
3305 | goto out; | |
3306 | ||
a620865e | 3307 | ret = wl1271_ps_elp_wakeup(wl); |
bbbb538e JO |
3308 | if (ret < 0) |
3309 | goto out; | |
3310 | ||
3311 | ret = wl1271_acx_tsf_info(wl, &mactime); | |
3312 | if (ret < 0) | |
3313 | goto out_sleep; | |
3314 | ||
3315 | out_sleep: | |
3316 | wl1271_ps_elp_sleep(wl); | |
3317 | ||
3318 | out: | |
3319 | mutex_unlock(&wl->mutex); | |
3320 | return mactime; | |
3321 | } | |
f5fc0f86 | 3322 | |
ece550d0 JL |
3323 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
3324 | struct survey_info *survey) | |
3325 | { | |
3326 | struct wl1271 *wl = hw->priv; | |
3327 | struct ieee80211_conf *conf = &hw->conf; | |
b739a42c | 3328 | |
ece550d0 JL |
3329 | if (idx != 0) |
3330 | return -ENOENT; | |
b739a42c | 3331 | |
ece550d0 JL |
3332 | survey->channel = conf->channel; |
3333 | survey->filled = SURVEY_INFO_NOISE_DBM; | |
3334 | survey->noise = wl->noise; | |
b739a42c | 3335 | |
ece550d0 JL |
3336 | return 0; |
3337 | } | |
3338 | ||
409622ec | 3339 | static int wl1271_allocate_sta(struct wl1271 *wl, |
f84f7d78 AN |
3340 | struct ieee80211_sta *sta, |
3341 | u8 *hlid) | |
3342 | { | |
3343 | struct wl1271_station *wl_sta; | |
3344 | int id; | |
3345 | ||
3346 | id = find_first_zero_bit(wl->ap_hlid_map, AP_MAX_STATIONS); | |
3347 | if (id >= AP_MAX_STATIONS) { | |
3348 | wl1271_warning("could not allocate HLID - too much stations"); | |
3349 | return -EBUSY; | |
3350 | } | |
3351 | ||
3352 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
f84f7d78 AN |
3353 | __set_bit(id, wl->ap_hlid_map); |
3354 | wl_sta->hlid = WL1271_AP_STA_HLID_START + id; | |
3355 | *hlid = wl_sta->hlid; | |
b622d992 | 3356 | memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); |
f84f7d78 AN |
3357 | return 0; |
3358 | } | |
3359 | ||
409622ec | 3360 | static void wl1271_free_sta(struct wl1271 *wl, u8 hlid) |
f84f7d78 AN |
3361 | { |
3362 | int id = hlid - WL1271_AP_STA_HLID_START; | |
3363 | ||
409622ec AN |
3364 | if (WARN_ON(!test_bit(id, wl->ap_hlid_map))) |
3365 | return; | |
3366 | ||
f84f7d78 | 3367 | __clear_bit(id, wl->ap_hlid_map); |
b622d992 | 3368 | memset(wl->links[hlid].addr, 0, ETH_ALEN); |
a8c0ddb5 | 3369 | wl1271_tx_reset_link_queues(wl, hlid); |
b622d992 AN |
3370 | __clear_bit(hlid, &wl->ap_ps_map); |
3371 | __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); | |
f84f7d78 AN |
3372 | } |
3373 | ||
3374 | static int wl1271_op_sta_add(struct ieee80211_hw *hw, | |
3375 | struct ieee80211_vif *vif, | |
3376 | struct ieee80211_sta *sta) | |
3377 | { | |
3378 | struct wl1271 *wl = hw->priv; | |
3379 | int ret = 0; | |
3380 | u8 hlid; | |
3381 | ||
3382 | mutex_lock(&wl->mutex); | |
3383 | ||
3384 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
3385 | goto out; | |
3386 | ||
3387 | if (wl->bss_type != BSS_TYPE_AP_BSS) | |
3388 | goto out; | |
3389 | ||
3390 | wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid); | |
3391 | ||
409622ec | 3392 | ret = wl1271_allocate_sta(wl, sta, &hlid); |
f84f7d78 AN |
3393 | if (ret < 0) |
3394 | goto out; | |
3395 | ||
a620865e | 3396 | ret = wl1271_ps_elp_wakeup(wl); |
f84f7d78 | 3397 | if (ret < 0) |
409622ec | 3398 | goto out_free_sta; |
f84f7d78 AN |
3399 | |
3400 | ret = wl1271_cmd_add_sta(wl, sta, hlid); | |
3401 | if (ret < 0) | |
3402 | goto out_sleep; | |
3403 | ||
3404 | out_sleep: | |
3405 | wl1271_ps_elp_sleep(wl); | |
3406 | ||
409622ec AN |
3407 | out_free_sta: |
3408 | if (ret < 0) | |
3409 | wl1271_free_sta(wl, hlid); | |
3410 | ||
f84f7d78 AN |
3411 | out: |
3412 | mutex_unlock(&wl->mutex); | |
3413 | return ret; | |
3414 | } | |
3415 | ||
3416 | static int wl1271_op_sta_remove(struct ieee80211_hw *hw, | |
3417 | struct ieee80211_vif *vif, | |
3418 | struct ieee80211_sta *sta) | |
3419 | { | |
3420 | struct wl1271 *wl = hw->priv; | |
3421 | struct wl1271_station *wl_sta; | |
3422 | int ret = 0, id; | |
3423 | ||
3424 | mutex_lock(&wl->mutex); | |
3425 | ||
3426 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
3427 | goto out; | |
3428 | ||
3429 | if (wl->bss_type != BSS_TYPE_AP_BSS) | |
3430 | goto out; | |
3431 | ||
3432 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid); | |
3433 | ||
3434 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
3435 | id = wl_sta->hlid - WL1271_AP_STA_HLID_START; | |
3436 | if (WARN_ON(!test_bit(id, wl->ap_hlid_map))) | |
3437 | goto out; | |
3438 | ||
a620865e | 3439 | ret = wl1271_ps_elp_wakeup(wl); |
f84f7d78 AN |
3440 | if (ret < 0) |
3441 | goto out; | |
3442 | ||
3443 | ret = wl1271_cmd_remove_sta(wl, wl_sta->hlid); | |
3444 | if (ret < 0) | |
3445 | goto out_sleep; | |
3446 | ||
409622ec | 3447 | wl1271_free_sta(wl, wl_sta->hlid); |
f84f7d78 AN |
3448 | |
3449 | out_sleep: | |
3450 | wl1271_ps_elp_sleep(wl); | |
3451 | ||
3452 | out: | |
3453 | mutex_unlock(&wl->mutex); | |
3454 | return ret; | |
3455 | } | |
3456 | ||
4623ec7d LC |
3457 | static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, |
3458 | struct ieee80211_vif *vif, | |
3459 | enum ieee80211_ampdu_mlme_action action, | |
3460 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
3461 | u8 buf_size) | |
bbba3e68 LS |
3462 | { |
3463 | struct wl1271 *wl = hw->priv; | |
3464 | int ret; | |
3465 | ||
3466 | mutex_lock(&wl->mutex); | |
3467 | ||
3468 | if (unlikely(wl->state == WL1271_STATE_OFF)) { | |
3469 | ret = -EAGAIN; | |
3470 | goto out; | |
3471 | } | |
3472 | ||
a620865e | 3473 | ret = wl1271_ps_elp_wakeup(wl); |
bbba3e68 LS |
3474 | if (ret < 0) |
3475 | goto out; | |
3476 | ||
70559a06 SL |
3477 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d", |
3478 | tid, action); | |
3479 | ||
bbba3e68 LS |
3480 | switch (action) { |
3481 | case IEEE80211_AMPDU_RX_START: | |
70559a06 | 3482 | if ((wl->ba_support) && (wl->ba_allowed)) { |
bbba3e68 LS |
3483 | ret = wl1271_acx_set_ba_receiver_session(wl, tid, *ssn, |
3484 | true); | |
3485 | if (!ret) | |
3486 | wl->ba_rx_bitmap |= BIT(tid); | |
3487 | } else { | |
3488 | ret = -ENOTSUPP; | |
3489 | } | |
3490 | break; | |
3491 | ||
3492 | case IEEE80211_AMPDU_RX_STOP: | |
3493 | ret = wl1271_acx_set_ba_receiver_session(wl, tid, 0, false); | |
3494 | if (!ret) | |
3495 | wl->ba_rx_bitmap &= ~BIT(tid); | |
3496 | break; | |
3497 | ||
3498 | /* | |
3499 | * The BA initiator session management in FW independently. | |
3500 | * Falling break here on purpose for all TX APDU commands. | |
3501 | */ | |
3502 | case IEEE80211_AMPDU_TX_START: | |
3503 | case IEEE80211_AMPDU_TX_STOP: | |
3504 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
3505 | ret = -EINVAL; | |
3506 | break; | |
3507 | ||
3508 | default: | |
3509 | wl1271_error("Incorrect ampdu action id=%x\n", action); | |
3510 | ret = -EINVAL; | |
3511 | } | |
3512 | ||
3513 | wl1271_ps_elp_sleep(wl); | |
3514 | ||
3515 | out: | |
3516 | mutex_unlock(&wl->mutex); | |
3517 | ||
3518 | return ret; | |
3519 | } | |
3520 | ||
33437893 AN |
3521 | static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) |
3522 | { | |
3523 | struct wl1271 *wl = hw->priv; | |
3524 | bool ret = false; | |
3525 | ||
3526 | mutex_lock(&wl->mutex); | |
3527 | ||
3528 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
3529 | goto out; | |
3530 | ||
3531 | /* packets are considered pending if in the TX queue or the FW */ | |
3532 | ret = (wl->tx_queue_count > 0) || (wl->tx_frames_cnt > 0); | |
3533 | ||
3534 | /* the above is appropriate for STA mode for PS purposes */ | |
3535 | WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); | |
3536 | ||
3537 | out: | |
3538 | mutex_unlock(&wl->mutex); | |
3539 | ||
3540 | return ret; | |
3541 | } | |
3542 | ||
f5fc0f86 LC |
3543 | /* can't be const, mac80211 writes to this */ |
3544 | static struct ieee80211_rate wl1271_rates[] = { | |
3545 | { .bitrate = 10, | |
2b60100b JO |
3546 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
3547 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 3548 | { .bitrate = 20, |
2b60100b JO |
3549 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
3550 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
3551 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
3552 | { .bitrate = 55, | |
2b60100b JO |
3553 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
3554 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
3555 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
3556 | { .bitrate = 110, | |
2b60100b JO |
3557 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
3558 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
3559 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
3560 | { .bitrate = 60, | |
2b60100b JO |
3561 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
3562 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 3563 | { .bitrate = 90, |
2b60100b JO |
3564 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
3565 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 3566 | { .bitrate = 120, |
2b60100b JO |
3567 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
3568 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 3569 | { .bitrate = 180, |
2b60100b JO |
3570 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
3571 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 3572 | { .bitrate = 240, |
2b60100b JO |
3573 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
3574 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 3575 | { .bitrate = 360, |
2b60100b JO |
3576 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
3577 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 3578 | { .bitrate = 480, |
2b60100b JO |
3579 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
3580 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 3581 | { .bitrate = 540, |
2b60100b JO |
3582 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
3583 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
3584 | }; |
3585 | ||
fa97f46b | 3586 | /* can't be const, mac80211 writes to this */ |
f5fc0f86 | 3587 | static struct ieee80211_channel wl1271_channels[] = { |
a2d0e3f1 | 3588 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
fa21c7a9 | 3589 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, |
fa97f46b JO |
3590 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, |
3591 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, | |
3592 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, | |
fa21c7a9 | 3593 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, |
fa97f46b JO |
3594 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, |
3595 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, | |
3596 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, | |
fa21c7a9 | 3597 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, |
fa97f46b JO |
3598 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, |
3599 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, | |
3600 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, | |
6c89b7b2 | 3601 | { .hw_value = 14, .center_freq = 2484, .max_power = 25 }, |
f5fc0f86 LC |
3602 | }; |
3603 | ||
f876bb9a | 3604 | /* mapping to indexes for wl1271_rates */ |
a0ea9493 | 3605 | static const u8 wl1271_rate_to_idx_2ghz[] = { |
f876bb9a | 3606 | /* MCS rates are used only with 11n */ |
18357850 SL |
3607 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
3608 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ | |
3609 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ | |
3610 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ | |
3611 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ | |
3612 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ | |
3613 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ | |
3614 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ | |
f876bb9a JO |
3615 | |
3616 | 11, /* CONF_HW_RXTX_RATE_54 */ | |
3617 | 10, /* CONF_HW_RXTX_RATE_48 */ | |
3618 | 9, /* CONF_HW_RXTX_RATE_36 */ | |
3619 | 8, /* CONF_HW_RXTX_RATE_24 */ | |
3620 | ||
3621 | /* TI-specific rate */ | |
3622 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ | |
3623 | ||
3624 | 7, /* CONF_HW_RXTX_RATE_18 */ | |
3625 | 6, /* CONF_HW_RXTX_RATE_12 */ | |
3626 | 3, /* CONF_HW_RXTX_RATE_11 */ | |
3627 | 5, /* CONF_HW_RXTX_RATE_9 */ | |
3628 | 4, /* CONF_HW_RXTX_RATE_6 */ | |
3629 | 2, /* CONF_HW_RXTX_RATE_5_5 */ | |
3630 | 1, /* CONF_HW_RXTX_RATE_2 */ | |
3631 | 0 /* CONF_HW_RXTX_RATE_1 */ | |
3632 | }; | |
3633 | ||
e8b03a2b SL |
3634 | /* 11n STA capabilities */ |
3635 | #define HW_RX_HIGHEST_RATE 72 | |
3636 | ||
00d20100 SL |
3637 | #ifdef CONFIG_WL12XX_HT |
3638 | #define WL12XX_HT_CAP { \ | |
871d0c3b SL |
3639 | .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | \ |
3640 | (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT), \ | |
e8b03a2b SL |
3641 | .ht_supported = true, \ |
3642 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, \ | |
3643 | .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, \ | |
3644 | .mcs = { \ | |
3645 | .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, \ | |
3646 | .rx_highest = cpu_to_le16(HW_RX_HIGHEST_RATE), \ | |
3647 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED, \ | |
3648 | }, \ | |
3649 | } | |
18357850 | 3650 | #else |
00d20100 | 3651 | #define WL12XX_HT_CAP { \ |
18357850 SL |
3652 | .ht_supported = false, \ |
3653 | } | |
3654 | #endif | |
e8b03a2b | 3655 | |
f5fc0f86 LC |
3656 | /* can't be const, mac80211 writes to this */ |
3657 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
3658 | .channels = wl1271_channels, | |
3659 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
3660 | .bitrates = wl1271_rates, | |
3661 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
00d20100 | 3662 | .ht_cap = WL12XX_HT_CAP, |
f5fc0f86 LC |
3663 | }; |
3664 | ||
1ebec3d7 TP |
3665 | /* 5 GHz data rates for WL1273 */ |
3666 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
3667 | { .bitrate = 60, | |
3668 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
3669 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
3670 | { .bitrate = 90, | |
3671 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
3672 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
3673 | { .bitrate = 120, | |
3674 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
3675 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
3676 | { .bitrate = 180, | |
3677 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
3678 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
3679 | { .bitrate = 240, | |
3680 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
3681 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
3682 | { .bitrate = 360, | |
3683 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
3684 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
3685 | { .bitrate = 480, | |
3686 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
3687 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
3688 | { .bitrate = 540, | |
3689 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
3690 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
3691 | }; | |
3692 | ||
fa97f46b | 3693 | /* 5 GHz band channels for WL1273 */ |
1ebec3d7 | 3694 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
fa21c7a9 | 3695 | { .hw_value = 7, .center_freq = 5035}, |
fa97f46b JO |
3696 | { .hw_value = 8, .center_freq = 5040}, |
3697 | { .hw_value = 9, .center_freq = 5045}, | |
3698 | { .hw_value = 11, .center_freq = 5055}, | |
3699 | { .hw_value = 12, .center_freq = 5060}, | |
fa21c7a9 | 3700 | { .hw_value = 16, .center_freq = 5080}, |
fa97f46b JO |
3701 | { .hw_value = 34, .center_freq = 5170}, |
3702 | { .hw_value = 36, .center_freq = 5180}, | |
3703 | { .hw_value = 38, .center_freq = 5190}, | |
3704 | { .hw_value = 40, .center_freq = 5200}, | |
fa21c7a9 | 3705 | { .hw_value = 42, .center_freq = 5210}, |
fa97f46b JO |
3706 | { .hw_value = 44, .center_freq = 5220}, |
3707 | { .hw_value = 46, .center_freq = 5230}, | |
3708 | { .hw_value = 48, .center_freq = 5240}, | |
3709 | { .hw_value = 52, .center_freq = 5260}, | |
fa21c7a9 | 3710 | { .hw_value = 56, .center_freq = 5280}, |
fa97f46b JO |
3711 | { .hw_value = 60, .center_freq = 5300}, |
3712 | { .hw_value = 64, .center_freq = 5320}, | |
3713 | { .hw_value = 100, .center_freq = 5500}, | |
3714 | { .hw_value = 104, .center_freq = 5520}, | |
fa21c7a9 | 3715 | { .hw_value = 108, .center_freq = 5540}, |
fa97f46b JO |
3716 | { .hw_value = 112, .center_freq = 5560}, |
3717 | { .hw_value = 116, .center_freq = 5580}, | |
3718 | { .hw_value = 120, .center_freq = 5600}, | |
3719 | { .hw_value = 124, .center_freq = 5620}, | |
fa21c7a9 | 3720 | { .hw_value = 128, .center_freq = 5640}, |
fa97f46b JO |
3721 | { .hw_value = 132, .center_freq = 5660}, |
3722 | { .hw_value = 136, .center_freq = 5680}, | |
3723 | { .hw_value = 140, .center_freq = 5700}, | |
3724 | { .hw_value = 149, .center_freq = 5745}, | |
fa21c7a9 | 3725 | { .hw_value = 153, .center_freq = 5765}, |
fa97f46b JO |
3726 | { .hw_value = 157, .center_freq = 5785}, |
3727 | { .hw_value = 161, .center_freq = 5805}, | |
1ebec3d7 TP |
3728 | { .hw_value = 165, .center_freq = 5825}, |
3729 | }; | |
3730 | ||
f876bb9a | 3731 | /* mapping to indexes for wl1271_rates_5ghz */ |
a0ea9493 | 3732 | static const u8 wl1271_rate_to_idx_5ghz[] = { |
f876bb9a | 3733 | /* MCS rates are used only with 11n */ |
18357850 SL |
3734 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
3735 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ | |
3736 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ | |
3737 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ | |
3738 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ | |
3739 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ | |
3740 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ | |
3741 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ | |
f876bb9a JO |
3742 | |
3743 | 7, /* CONF_HW_RXTX_RATE_54 */ | |
3744 | 6, /* CONF_HW_RXTX_RATE_48 */ | |
3745 | 5, /* CONF_HW_RXTX_RATE_36 */ | |
3746 | 4, /* CONF_HW_RXTX_RATE_24 */ | |
3747 | ||
3748 | /* TI-specific rate */ | |
3749 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ | |
3750 | ||
3751 | 3, /* CONF_HW_RXTX_RATE_18 */ | |
3752 | 2, /* CONF_HW_RXTX_RATE_12 */ | |
3753 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */ | |
3754 | 1, /* CONF_HW_RXTX_RATE_9 */ | |
3755 | 0, /* CONF_HW_RXTX_RATE_6 */ | |
3756 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */ | |
3757 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */ | |
3758 | CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */ | |
3759 | }; | |
1ebec3d7 TP |
3760 | |
3761 | static struct ieee80211_supported_band wl1271_band_5ghz = { | |
3762 | .channels = wl1271_channels_5ghz, | |
3763 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
3764 | .bitrates = wl1271_rates_5ghz, | |
3765 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
00d20100 | 3766 | .ht_cap = WL12XX_HT_CAP, |
1ebec3d7 TP |
3767 | }; |
3768 | ||
a0ea9493 | 3769 | static const u8 *wl1271_band_rate_to_idx[] = { |
f876bb9a JO |
3770 | [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz, |
3771 | [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz | |
3772 | }; | |
3773 | ||
f5fc0f86 LC |
3774 | static const struct ieee80211_ops wl1271_ops = { |
3775 | .start = wl1271_op_start, | |
3776 | .stop = wl1271_op_stop, | |
3777 | .add_interface = wl1271_op_add_interface, | |
3778 | .remove_interface = wl1271_op_remove_interface, | |
f634a4e7 | 3779 | #ifdef CONFIG_PM |
402e4861 EP |
3780 | .suspend = wl1271_op_suspend, |
3781 | .resume = wl1271_op_resume, | |
f634a4e7 | 3782 | #endif |
f5fc0f86 | 3783 | .config = wl1271_op_config, |
c87dec9f | 3784 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
3785 | .configure_filter = wl1271_op_configure_filter, |
3786 | .tx = wl1271_op_tx, | |
3787 | .set_key = wl1271_op_set_key, | |
3788 | .hw_scan = wl1271_op_hw_scan, | |
33c2c06c LC |
3789 | .sched_scan_start = wl1271_op_sched_scan_start, |
3790 | .sched_scan_stop = wl1271_op_sched_scan_stop, | |
f5fc0f86 | 3791 | .bss_info_changed = wl1271_op_bss_info_changed, |
68d069c4 | 3792 | .set_frag_threshold = wl1271_op_set_frag_threshold, |
f5fc0f86 | 3793 | .set_rts_threshold = wl1271_op_set_rts_threshold, |
c6999d83 | 3794 | .conf_tx = wl1271_op_conf_tx, |
bbbb538e | 3795 | .get_tsf = wl1271_op_get_tsf, |
ece550d0 | 3796 | .get_survey = wl1271_op_get_survey, |
f84f7d78 AN |
3797 | .sta_add = wl1271_op_sta_add, |
3798 | .sta_remove = wl1271_op_sta_remove, | |
bbba3e68 | 3799 | .ampdu_action = wl1271_op_ampdu_action, |
33437893 | 3800 | .tx_frames_pending = wl1271_tx_frames_pending, |
c8c90873 | 3801 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
3802 | }; |
3803 | ||
f876bb9a | 3804 | |
6a2de93b | 3805 | u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band) |
f876bb9a JO |
3806 | { |
3807 | u8 idx; | |
3808 | ||
6a2de93b | 3809 | BUG_ON(band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *)); |
f876bb9a JO |
3810 | |
3811 | if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) { | |
3812 | wl1271_error("Illegal RX rate from HW: %d", rate); | |
3813 | return 0; | |
3814 | } | |
3815 | ||
6a2de93b | 3816 | idx = wl1271_band_rate_to_idx[band][rate]; |
f876bb9a JO |
3817 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { |
3818 | wl1271_error("Unsupported RX rate from HW: %d", rate); | |
3819 | return 0; | |
3820 | } | |
3821 | ||
3822 | return idx; | |
3823 | } | |
3824 | ||
7fc3a864 JO |
3825 | static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev, |
3826 | struct device_attribute *attr, | |
3827 | char *buf) | |
3828 | { | |
3829 | struct wl1271 *wl = dev_get_drvdata(dev); | |
3830 | ssize_t len; | |
3831 | ||
2f63b011 | 3832 | len = PAGE_SIZE; |
7fc3a864 JO |
3833 | |
3834 | mutex_lock(&wl->mutex); | |
3835 | len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n", | |
3836 | wl->sg_enabled); | |
3837 | mutex_unlock(&wl->mutex); | |
3838 | ||
3839 | return len; | |
3840 | ||
3841 | } | |
3842 | ||
3843 | static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev, | |
3844 | struct device_attribute *attr, | |
3845 | const char *buf, size_t count) | |
3846 | { | |
3847 | struct wl1271 *wl = dev_get_drvdata(dev); | |
3848 | unsigned long res; | |
3849 | int ret; | |
3850 | ||
6277ed65 | 3851 | ret = kstrtoul(buf, 10, &res); |
7fc3a864 JO |
3852 | if (ret < 0) { |
3853 | wl1271_warning("incorrect value written to bt_coex_mode"); | |
3854 | return count; | |
3855 | } | |
3856 | ||
3857 | mutex_lock(&wl->mutex); | |
3858 | ||
3859 | res = !!res; | |
3860 | ||
3861 | if (res == wl->sg_enabled) | |
3862 | goto out; | |
3863 | ||
3864 | wl->sg_enabled = res; | |
3865 | ||
3866 | if (wl->state == WL1271_STATE_OFF) | |
3867 | goto out; | |
3868 | ||
a620865e | 3869 | ret = wl1271_ps_elp_wakeup(wl); |
7fc3a864 JO |
3870 | if (ret < 0) |
3871 | goto out; | |
3872 | ||
3873 | wl1271_acx_sg_enable(wl, wl->sg_enabled); | |
3874 | wl1271_ps_elp_sleep(wl); | |
3875 | ||
3876 | out: | |
3877 | mutex_unlock(&wl->mutex); | |
3878 | return count; | |
3879 | } | |
3880 | ||
3881 | static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR, | |
3882 | wl1271_sysfs_show_bt_coex_state, | |
3883 | wl1271_sysfs_store_bt_coex_state); | |
3884 | ||
d717fd61 JO |
3885 | static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, |
3886 | struct device_attribute *attr, | |
3887 | char *buf) | |
3888 | { | |
3889 | struct wl1271 *wl = dev_get_drvdata(dev); | |
3890 | ssize_t len; | |
3891 | ||
2f63b011 | 3892 | len = PAGE_SIZE; |
d717fd61 JO |
3893 | |
3894 | mutex_lock(&wl->mutex); | |
3895 | if (wl->hw_pg_ver >= 0) | |
3896 | len = snprintf(buf, len, "%d\n", wl->hw_pg_ver); | |
3897 | else | |
3898 | len = snprintf(buf, len, "n/a\n"); | |
3899 | mutex_unlock(&wl->mutex); | |
3900 | ||
3901 | return len; | |
3902 | } | |
3903 | ||
3904 | static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR, | |
3905 | wl1271_sysfs_show_hw_pg_ver, NULL); | |
3906 | ||
2d5e82b8 | 3907 | int wl1271_register_hw(struct wl1271 *wl) |
f5fc0f86 LC |
3908 | { |
3909 | int ret; | |
3910 | ||
3911 | if (wl->mac80211_registered) | |
3912 | return 0; | |
3913 | ||
31d26ec6 AN |
3914 | ret = wl1271_fetch_nvs(wl); |
3915 | if (ret == 0) { | |
bc765bf3 SL |
3916 | /* NOTE: The wl->nvs->nvs element must be first, in |
3917 | * order to simplify the casting, we assume it is at | |
3918 | * the beginning of the wl->nvs structure. | |
3919 | */ | |
3920 | u8 *nvs_ptr = (u8 *)wl->nvs; | |
31d26ec6 AN |
3921 | |
3922 | wl->mac_addr[0] = nvs_ptr[11]; | |
3923 | wl->mac_addr[1] = nvs_ptr[10]; | |
3924 | wl->mac_addr[2] = nvs_ptr[6]; | |
3925 | wl->mac_addr[3] = nvs_ptr[5]; | |
3926 | wl->mac_addr[4] = nvs_ptr[4]; | |
3927 | wl->mac_addr[5] = nvs_ptr[3]; | |
3928 | } | |
3929 | ||
f5fc0f86 LC |
3930 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); |
3931 | ||
3932 | ret = ieee80211_register_hw(wl->hw); | |
3933 | if (ret < 0) { | |
3934 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
3935 | return ret; | |
3936 | } | |
3937 | ||
3938 | wl->mac80211_registered = true; | |
3939 | ||
d60080ae EP |
3940 | wl1271_debugfs_init(wl); |
3941 | ||
c2c192ac JO |
3942 | register_netdevice_notifier(&wl1271_dev_notifier); |
3943 | ||
f5fc0f86 LC |
3944 | wl1271_notice("loaded"); |
3945 | ||
3946 | return 0; | |
3947 | } | |
50b3eb4b | 3948 | EXPORT_SYMBOL_GPL(wl1271_register_hw); |
f5fc0f86 | 3949 | |
3b56dd6a TP |
3950 | void wl1271_unregister_hw(struct wl1271 *wl) |
3951 | { | |
4ae3fa87 JO |
3952 | if (wl->state == WL1271_STATE_PLT) |
3953 | __wl1271_plt_stop(wl); | |
3954 | ||
c2c192ac | 3955 | unregister_netdevice_notifier(&wl1271_dev_notifier); |
3b56dd6a TP |
3956 | ieee80211_unregister_hw(wl->hw); |
3957 | wl->mac80211_registered = false; | |
3958 | ||
3959 | } | |
3960 | EXPORT_SYMBOL_GPL(wl1271_unregister_hw); | |
3961 | ||
2d5e82b8 | 3962 | int wl1271_init_ieee80211(struct wl1271 *wl) |
f5fc0f86 | 3963 | { |
7a55724e JO |
3964 | static const u32 cipher_suites[] = { |
3965 | WLAN_CIPHER_SUITE_WEP40, | |
3966 | WLAN_CIPHER_SUITE_WEP104, | |
3967 | WLAN_CIPHER_SUITE_TKIP, | |
3968 | WLAN_CIPHER_SUITE_CCMP, | |
3969 | WL1271_CIPHER_SUITE_GEM, | |
3970 | }; | |
3971 | ||
1e2b7976 JO |
3972 | /* The tx descriptor buffer and the TKIP space. */ |
3973 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + | |
3974 | sizeof(struct wl1271_tx_hw_descr); | |
f5fc0f86 LC |
3975 | |
3976 | /* unit us */ | |
3977 | /* FIXME: find a proper value */ | |
3978 | wl->hw->channel_change_time = 10000; | |
50c500ad | 3979 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
f5fc0f86 LC |
3980 | |
3981 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
03442a33 | 3982 | IEEE80211_HW_BEACON_FILTER | |
0a34332f | 3983 | IEEE80211_HW_SUPPORTS_PS | |
4695dc91 | 3984 | IEEE80211_HW_SUPPORTS_UAPSD | |
a9af092b | 3985 | IEEE80211_HW_HAS_RATE_CONTROL | |
00236aed | 3986 | IEEE80211_HW_CONNECTION_MONITOR | |
62c0740c | 3987 | IEEE80211_HW_SUPPORTS_CQM_RSSI | |
25eaea30 | 3988 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
fcd23b63 | 3989 | IEEE80211_HW_SPECTRUM_MGMT | |
ba7c082a | 3990 | IEEE80211_HW_AP_LINK_PS; |
f5fc0f86 | 3991 | |
7a55724e JO |
3992 | wl->hw->wiphy->cipher_suites = cipher_suites; |
3993 | wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
3994 | ||
e0d8bbf0 | 3995 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
038d925b | 3996 | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP); |
f5fc0f86 | 3997 | wl->hw->wiphy->max_scan_ssids = 1; |
ea559b46 GE |
3998 | /* |
3999 | * Maximum length of elements in scanning probe request templates | |
4000 | * should be the maximum length possible for a template, without | |
4001 | * the IEEE80211 header of the template | |
4002 | */ | |
4003 | wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - | |
4004 | sizeof(struct ieee80211_header); | |
a8aaaf53 | 4005 | |
4a31c11c LC |
4006 | /* make sure all our channels fit in the scanned_ch bitmask */ |
4007 | BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + | |
4008 | ARRAY_SIZE(wl1271_channels_5ghz) > | |
4009 | WL1271_MAX_CHANNELS); | |
a8aaaf53 LC |
4010 | /* |
4011 | * We keep local copies of the band structs because we need to | |
4012 | * modify them on a per-device basis. | |
4013 | */ | |
4014 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz, | |
4015 | sizeof(wl1271_band_2ghz)); | |
4016 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz, | |
4017 | sizeof(wl1271_band_5ghz)); | |
4018 | ||
4019 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = | |
4020 | &wl->bands[IEEE80211_BAND_2GHZ]; | |
4021 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = | |
4022 | &wl->bands[IEEE80211_BAND_5GHZ]; | |
1ebec3d7 | 4023 | |
12bd8949 | 4024 | wl->hw->queues = 4; |
31627dc5 | 4025 | wl->hw->max_rates = 1; |
12bd8949 | 4026 | |
b7417d93 JO |
4027 | wl->hw->wiphy->reg_notifier = wl1271_reg_notify; |
4028 | ||
8197b711 | 4029 | SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl)); |
f5fc0f86 | 4030 | |
f84f7d78 AN |
4031 | wl->hw->sta_data_size = sizeof(struct wl1271_station); |
4032 | ||
4c9cfa78 LC |
4033 | wl->hw->max_rx_aggregation_subframes = 8; |
4034 | ||
f5fc0f86 LC |
4035 | return 0; |
4036 | } | |
50b3eb4b | 4037 | EXPORT_SYMBOL_GPL(wl1271_init_ieee80211); |
f5fc0f86 | 4038 | |
f5fc0f86 | 4039 | #define WL1271_DEFAULT_CHANNEL 0 |
c332a4b8 | 4040 | |
2d5e82b8 | 4041 | struct ieee80211_hw *wl1271_alloc_hw(void) |
f5fc0f86 | 4042 | { |
f5fc0f86 | 4043 | struct ieee80211_hw *hw; |
3b56dd6a | 4044 | struct platform_device *plat_dev = NULL; |
f5fc0f86 | 4045 | struct wl1271 *wl; |
a8c0ddb5 | 4046 | int i, j, ret; |
1f37cbc9 | 4047 | unsigned int order; |
f5fc0f86 LC |
4048 | |
4049 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
4050 | if (!hw) { | |
4051 | wl1271_error("could not alloc ieee80211_hw"); | |
a1dd8187 | 4052 | ret = -ENOMEM; |
3b56dd6a TP |
4053 | goto err_hw_alloc; |
4054 | } | |
4055 | ||
929ebd30 | 4056 | plat_dev = kmemdup(&wl1271_device, sizeof(wl1271_device), GFP_KERNEL); |
3b56dd6a TP |
4057 | if (!plat_dev) { |
4058 | wl1271_error("could not allocate platform_device"); | |
4059 | ret = -ENOMEM; | |
4060 | goto err_plat_alloc; | |
f5fc0f86 LC |
4061 | } |
4062 | ||
4063 | wl = hw->priv; | |
4064 | memset(wl, 0, sizeof(*wl)); | |
4065 | ||
01c09162 JO |
4066 | INIT_LIST_HEAD(&wl->list); |
4067 | ||
f5fc0f86 | 4068 | wl->hw = hw; |
3b56dd6a | 4069 | wl->plat_dev = plat_dev; |
f5fc0f86 | 4070 | |
6742f554 JO |
4071 | for (i = 0; i < NUM_TX_QUEUES; i++) |
4072 | skb_queue_head_init(&wl->tx_queue[i]); | |
f5fc0f86 | 4073 | |
a8c0ddb5 AN |
4074 | for (i = 0; i < NUM_TX_QUEUES; i++) |
4075 | for (j = 0; j < AP_MAX_LINKS; j++) | |
4076 | skb_queue_head_init(&wl->links[j].tx_queue[i]); | |
4077 | ||
a620865e IY |
4078 | skb_queue_head_init(&wl->deferred_rx_queue); |
4079 | skb_queue_head_init(&wl->deferred_tx_queue); | |
4080 | ||
37b70a81 | 4081 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
90494a90 | 4082 | INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work); |
a620865e | 4083 | INIT_WORK(&wl->netstack_work, wl1271_netstack_work); |
117b38d0 JO |
4084 | INIT_WORK(&wl->tx_work, wl1271_tx_work); |
4085 | INIT_WORK(&wl->recovery_work, wl1271_recovery_work); | |
4086 | INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); | |
77ddaa10 EP |
4087 | INIT_WORK(&wl->rx_streaming_enable_work, |
4088 | wl1271_rx_streaming_enable_work); | |
4089 | INIT_WORK(&wl->rx_streaming_disable_work, | |
4090 | wl1271_rx_streaming_disable_work); | |
4091 | ||
f5fc0f86 | 4092 | wl->channel = WL1271_DEFAULT_CHANNEL; |
60e84c2e | 4093 | wl->beacon_int = WL1271_DEFAULT_BEACON_INT; |
f5fc0f86 | 4094 | wl->default_key = 0; |
f5fc0f86 | 4095 | wl->rx_counter = 0; |
ae113b57 AN |
4096 | wl->rx_config = WL1271_DEFAULT_STA_RX_CONFIG; |
4097 | wl->rx_filter = WL1271_DEFAULT_STA_RX_FILTER; | |
19ad0715 | 4098 | wl->psm_entry_retry = 0; |
f5fc0f86 | 4099 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
a6fe2313 | 4100 | wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
ebba60c6 | 4101 | wl->basic_rate = CONF_TX_RATE_MASK_BASIC; |
830fb67b | 4102 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
8a5a37a6 | 4103 | wl->band = IEEE80211_BAND_2GHZ; |
b771eee5 | 4104 | wl->vif = NULL; |
830fb67b | 4105 | wl->flags = 0; |
7fc3a864 | 4106 | wl->sg_enabled = true; |
d717fd61 | 4107 | wl->hw_pg_ver = -1; |
166d504e AN |
4108 | wl->bss_type = MAX_BSS_TYPE; |
4109 | wl->set_bss_type = MAX_BSS_TYPE; | |
4110 | wl->fw_bss_type = MAX_BSS_TYPE; | |
a8c0ddb5 | 4111 | wl->last_tx_hlid = 0; |
b622d992 AN |
4112 | wl->ap_ps_map = 0; |
4113 | wl->ap_fw_ps_map = 0; | |
606ea9fa | 4114 | wl->quirks = 0; |
341b7cde | 4115 | wl->platform_quirks = 0; |
33c2c06c | 4116 | wl->sched_scanning = false; |
77ddaa10 EP |
4117 | setup_timer(&wl->rx_streaming_timer, wl1271_rx_streaming_timer, |
4118 | (unsigned long) wl); | |
f5fc0f86 | 4119 | |
25eeb9e3 | 4120 | memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); |
be7078c2 | 4121 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
f5fc0f86 LC |
4122 | wl->tx_frames[i] = NULL; |
4123 | ||
4124 | spin_lock_init(&wl->wl_lock); | |
4125 | ||
f5fc0f86 LC |
4126 | wl->state = WL1271_STATE_OFF; |
4127 | mutex_init(&wl->mutex); | |
4128 | ||
c332a4b8 TP |
4129 | /* Apply default driver configuration. */ |
4130 | wl1271_conf_init(wl); | |
4131 | ||
1f37cbc9 IY |
4132 | order = get_order(WL1271_AGGR_BUFFER_SIZE); |
4133 | wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); | |
4134 | if (!wl->aggr_buf) { | |
4135 | ret = -ENOMEM; | |
4136 | goto err_hw; | |
4137 | } | |
4138 | ||
990f5de7 IY |
4139 | wl->dummy_packet = wl12xx_alloc_dummy_packet(wl); |
4140 | if (!wl->dummy_packet) { | |
4141 | ret = -ENOMEM; | |
4142 | goto err_aggr; | |
4143 | } | |
4144 | ||
a1dd8187 | 4145 | /* Register platform device */ |
3b56dd6a | 4146 | ret = platform_device_register(wl->plat_dev); |
a1dd8187 JO |
4147 | if (ret) { |
4148 | wl1271_error("couldn't register platform device"); | |
990f5de7 | 4149 | goto err_dummy_packet; |
a1dd8187 | 4150 | } |
3b56dd6a | 4151 | dev_set_drvdata(&wl->plat_dev->dev, wl); |
a1dd8187 | 4152 | |
7fc3a864 | 4153 | /* Create sysfs file to control bt coex state */ |
3b56dd6a | 4154 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); |
7fc3a864 JO |
4155 | if (ret < 0) { |
4156 | wl1271_error("failed to create sysfs file bt_coex_state"); | |
4157 | goto err_platform; | |
4158 | } | |
a1dd8187 | 4159 | |
d717fd61 JO |
4160 | /* Create sysfs file to get HW PG version */ |
4161 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); | |
4162 | if (ret < 0) { | |
4163 | wl1271_error("failed to create sysfs file hw_pg_ver"); | |
4164 | goto err_bt_coex_state; | |
4165 | } | |
4166 | ||
c332a4b8 | 4167 | return hw; |
a1dd8187 | 4168 | |
d717fd61 JO |
4169 | err_bt_coex_state: |
4170 | device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); | |
4171 | ||
7fc3a864 | 4172 | err_platform: |
3b56dd6a | 4173 | platform_device_unregister(wl->plat_dev); |
7fc3a864 | 4174 | |
990f5de7 IY |
4175 | err_dummy_packet: |
4176 | dev_kfree_skb(wl->dummy_packet); | |
4177 | ||
1f37cbc9 IY |
4178 | err_aggr: |
4179 | free_pages((unsigned long)wl->aggr_buf, order); | |
4180 | ||
a1dd8187 | 4181 | err_hw: |
3b56dd6a TP |
4182 | wl1271_debugfs_exit(wl); |
4183 | kfree(plat_dev); | |
4184 | ||
4185 | err_plat_alloc: | |
4186 | ieee80211_free_hw(hw); | |
4187 | ||
4188 | err_hw_alloc: | |
a1dd8187 | 4189 | |
a1dd8187 | 4190 | return ERR_PTR(ret); |
c332a4b8 | 4191 | } |
50b3eb4b | 4192 | EXPORT_SYMBOL_GPL(wl1271_alloc_hw); |
c332a4b8 TP |
4193 | |
4194 | int wl1271_free_hw(struct wl1271 *wl) | |
4195 | { | |
3b56dd6a | 4196 | platform_device_unregister(wl->plat_dev); |
990f5de7 | 4197 | dev_kfree_skb(wl->dummy_packet); |
1f37cbc9 IY |
4198 | free_pages((unsigned long)wl->aggr_buf, |
4199 | get_order(WL1271_AGGR_BUFFER_SIZE)); | |
3b56dd6a | 4200 | kfree(wl->plat_dev); |
c332a4b8 TP |
4201 | |
4202 | wl1271_debugfs_exit(wl); | |
4203 | ||
c332a4b8 TP |
4204 | vfree(wl->fw); |
4205 | wl->fw = NULL; | |
4206 | kfree(wl->nvs); | |
4207 | wl->nvs = NULL; | |
4208 | ||
4209 | kfree(wl->fw_status); | |
4210 | kfree(wl->tx_res_if); | |
4211 | ||
4212 | ieee80211_free_hw(wl->hw); | |
4213 | ||
4214 | return 0; | |
4215 | } | |
50b3eb4b TP |
4216 | EXPORT_SYMBOL_GPL(wl1271_free_hw); |
4217 | ||
491bbd6b | 4218 | u32 wl12xx_debug_level = DEBUG_NONE; |
17c1755c | 4219 | EXPORT_SYMBOL_GPL(wl12xx_debug_level); |
491bbd6b | 4220 | module_param_named(debug_level, wl12xx_debug_level, uint, S_IRUSR | S_IWUSR); |
17c1755c EP |
4221 | MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); |
4222 | ||
50b3eb4b | 4223 | MODULE_LICENSE("GPL"); |
b1a48cab | 4224 | MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
50b3eb4b | 4225 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |