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8e84c258 EK |
1 | /* |
2 | * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com> | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
18 | ||
19 | #include <linux/module.h> | |
4bda7faf | 20 | #include <linux/firmware.h> |
8e84c258 EK |
21 | #include <linux/platform_device.h> |
22 | #include "wcn36xx.h" | |
23 | ||
24 | unsigned int wcn36xx_dbg_mask; | |
25 | module_param_named(debug_mask, wcn36xx_dbg_mask, uint, 0644); | |
26 | MODULE_PARM_DESC(debug_mask, "Debugging mask"); | |
27 | ||
28 | #define CHAN2G(_freq, _idx) { \ | |
29 | .band = IEEE80211_BAND_2GHZ, \ | |
30 | .center_freq = (_freq), \ | |
31 | .hw_value = (_idx), \ | |
32 | .max_power = 25, \ | |
33 | } | |
34 | ||
35 | #define CHAN5G(_freq, _idx) { \ | |
36 | .band = IEEE80211_BAND_5GHZ, \ | |
37 | .center_freq = (_freq), \ | |
38 | .hw_value = (_idx), \ | |
39 | .max_power = 25, \ | |
40 | } | |
41 | ||
42 | /* The wcn firmware expects channel values to matching | |
43 | * their mnemonic values. So use these for .hw_value. */ | |
44 | static struct ieee80211_channel wcn_2ghz_channels[] = { | |
45 | CHAN2G(2412, 1), /* Channel 1 */ | |
46 | CHAN2G(2417, 2), /* Channel 2 */ | |
47 | CHAN2G(2422, 3), /* Channel 3 */ | |
48 | CHAN2G(2427, 4), /* Channel 4 */ | |
49 | CHAN2G(2432, 5), /* Channel 5 */ | |
50 | CHAN2G(2437, 6), /* Channel 6 */ | |
51 | CHAN2G(2442, 7), /* Channel 7 */ | |
52 | CHAN2G(2447, 8), /* Channel 8 */ | |
53 | CHAN2G(2452, 9), /* Channel 9 */ | |
54 | CHAN2G(2457, 10), /* Channel 10 */ | |
55 | CHAN2G(2462, 11), /* Channel 11 */ | |
56 | CHAN2G(2467, 12), /* Channel 12 */ | |
57 | CHAN2G(2472, 13), /* Channel 13 */ | |
58 | CHAN2G(2484, 14) /* Channel 14 */ | |
59 | ||
60 | }; | |
61 | ||
62 | static struct ieee80211_channel wcn_5ghz_channels[] = { | |
63 | CHAN5G(5180, 36), | |
64 | CHAN5G(5200, 40), | |
65 | CHAN5G(5220, 44), | |
66 | CHAN5G(5240, 48), | |
67 | CHAN5G(5260, 52), | |
68 | CHAN5G(5280, 56), | |
69 | CHAN5G(5300, 60), | |
70 | CHAN5G(5320, 64), | |
71 | CHAN5G(5500, 100), | |
72 | CHAN5G(5520, 104), | |
73 | CHAN5G(5540, 108), | |
74 | CHAN5G(5560, 112), | |
75 | CHAN5G(5580, 116), | |
76 | CHAN5G(5600, 120), | |
77 | CHAN5G(5620, 124), | |
78 | CHAN5G(5640, 128), | |
79 | CHAN5G(5660, 132), | |
80 | CHAN5G(5700, 140), | |
81 | CHAN5G(5745, 149), | |
82 | CHAN5G(5765, 153), | |
83 | CHAN5G(5785, 157), | |
84 | CHAN5G(5805, 161), | |
85 | CHAN5G(5825, 165) | |
86 | }; | |
87 | ||
88 | #define RATE(_bitrate, _hw_rate, _flags) { \ | |
89 | .bitrate = (_bitrate), \ | |
90 | .flags = (_flags), \ | |
91 | .hw_value = (_hw_rate), \ | |
92 | .hw_value_short = (_hw_rate) \ | |
93 | } | |
94 | ||
95 | static struct ieee80211_rate wcn_2ghz_rates[] = { | |
96 | RATE(10, HW_RATE_INDEX_1MBPS, 0), | |
97 | RATE(20, HW_RATE_INDEX_2MBPS, IEEE80211_RATE_SHORT_PREAMBLE), | |
98 | RATE(55, HW_RATE_INDEX_5_5MBPS, IEEE80211_RATE_SHORT_PREAMBLE), | |
99 | RATE(110, HW_RATE_INDEX_11MBPS, IEEE80211_RATE_SHORT_PREAMBLE), | |
100 | RATE(60, HW_RATE_INDEX_6MBPS, 0), | |
101 | RATE(90, HW_RATE_INDEX_9MBPS, 0), | |
102 | RATE(120, HW_RATE_INDEX_12MBPS, 0), | |
103 | RATE(180, HW_RATE_INDEX_18MBPS, 0), | |
104 | RATE(240, HW_RATE_INDEX_24MBPS, 0), | |
105 | RATE(360, HW_RATE_INDEX_36MBPS, 0), | |
106 | RATE(480, HW_RATE_INDEX_48MBPS, 0), | |
107 | RATE(540, HW_RATE_INDEX_54MBPS, 0) | |
108 | }; | |
109 | ||
110 | static struct ieee80211_rate wcn_5ghz_rates[] = { | |
111 | RATE(60, HW_RATE_INDEX_6MBPS, 0), | |
112 | RATE(90, HW_RATE_INDEX_9MBPS, 0), | |
113 | RATE(120, HW_RATE_INDEX_12MBPS, 0), | |
114 | RATE(180, HW_RATE_INDEX_18MBPS, 0), | |
115 | RATE(240, HW_RATE_INDEX_24MBPS, 0), | |
116 | RATE(360, HW_RATE_INDEX_36MBPS, 0), | |
117 | RATE(480, HW_RATE_INDEX_48MBPS, 0), | |
118 | RATE(540, HW_RATE_INDEX_54MBPS, 0) | |
119 | }; | |
120 | ||
121 | static struct ieee80211_supported_band wcn_band_2ghz = { | |
122 | .channels = wcn_2ghz_channels, | |
123 | .n_channels = ARRAY_SIZE(wcn_2ghz_channels), | |
124 | .bitrates = wcn_2ghz_rates, | |
125 | .n_bitrates = ARRAY_SIZE(wcn_2ghz_rates), | |
126 | .ht_cap = { | |
127 | .cap = IEEE80211_HT_CAP_GRN_FLD | | |
128 | IEEE80211_HT_CAP_SGI_20 | | |
129 | IEEE80211_HT_CAP_DSSSCCK40 | | |
130 | IEEE80211_HT_CAP_LSIG_TXOP_PROT, | |
131 | .ht_supported = true, | |
132 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, | |
133 | .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, | |
134 | .mcs = { | |
135 | .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, | |
136 | .rx_highest = cpu_to_le16(72), | |
137 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED, | |
138 | } | |
139 | } | |
140 | }; | |
141 | ||
142 | static struct ieee80211_supported_band wcn_band_5ghz = { | |
143 | .channels = wcn_5ghz_channels, | |
144 | .n_channels = ARRAY_SIZE(wcn_5ghz_channels), | |
145 | .bitrates = wcn_5ghz_rates, | |
146 | .n_bitrates = ARRAY_SIZE(wcn_5ghz_rates), | |
147 | .ht_cap = { | |
148 | .cap = IEEE80211_HT_CAP_GRN_FLD | | |
149 | IEEE80211_HT_CAP_SGI_20 | | |
150 | IEEE80211_HT_CAP_DSSSCCK40 | | |
151 | IEEE80211_HT_CAP_LSIG_TXOP_PROT | | |
152 | IEEE80211_HT_CAP_SGI_40 | | |
153 | IEEE80211_HT_CAP_SUP_WIDTH_20_40, | |
154 | .ht_supported = true, | |
155 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, | |
156 | .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, | |
157 | .mcs = { | |
158 | .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, | |
159 | .rx_highest = cpu_to_le16(72), | |
160 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED, | |
161 | } | |
162 | } | |
163 | }; | |
164 | ||
165 | #ifdef CONFIG_PM | |
166 | ||
167 | static const struct wiphy_wowlan_support wowlan_support = { | |
168 | .flags = WIPHY_WOWLAN_ANY | |
169 | }; | |
170 | ||
171 | #endif | |
172 | ||
173 | static inline u8 get_sta_index(struct ieee80211_vif *vif, | |
174 | struct wcn36xx_sta *sta_priv) | |
175 | { | |
176 | return NL80211_IFTYPE_STATION == vif->type ? | |
177 | sta_priv->bss_sta_index : | |
178 | sta_priv->sta_index; | |
179 | } | |
180 | ||
2be6636a PF |
181 | static const char * const wcn36xx_caps_names[] = { |
182 | "MCC", /* 0 */ | |
183 | "P2P", /* 1 */ | |
184 | "DOT11AC", /* 2 */ | |
185 | "SLM_SESSIONIZATION", /* 3 */ | |
186 | "DOT11AC_OPMODE", /* 4 */ | |
187 | "SAP32STA", /* 5 */ | |
188 | "TDLS", /* 6 */ | |
189 | "P2P_GO_NOA_DECOUPLE_INIT_SCAN",/* 7 */ | |
190 | "WLANACTIVE_OFFLOAD", /* 8 */ | |
191 | "BEACON_OFFLOAD", /* 9 */ | |
192 | "SCAN_OFFLOAD", /* 10 */ | |
193 | "ROAM_OFFLOAD", /* 11 */ | |
194 | "BCN_MISS_OFFLOAD", /* 12 */ | |
195 | "STA_POWERSAVE", /* 13 */ | |
196 | "STA_ADVANCED_PWRSAVE", /* 14 */ | |
197 | "AP_UAPSD", /* 15 */ | |
198 | "AP_DFS", /* 16 */ | |
199 | "BLOCKACK", /* 17 */ | |
200 | "PHY_ERR", /* 18 */ | |
201 | "BCN_FILTER", /* 19 */ | |
202 | "RTT", /* 20 */ | |
203 | "RATECTRL", /* 21 */ | |
204 | "WOW" /* 22 */ | |
205 | }; | |
206 | ||
207 | static const char *wcn36xx_get_cap_name(enum place_holder_in_cap_bitmap x) | |
208 | { | |
209 | if (x >= ARRAY_SIZE(wcn36xx_caps_names)) | |
210 | return "UNKNOWN"; | |
211 | return wcn36xx_caps_names[x]; | |
212 | } | |
213 | ||
214 | static void wcn36xx_feat_caps_info(struct wcn36xx *wcn) | |
215 | { | |
216 | int i; | |
217 | ||
218 | for (i = 0; i < MAX_FEATURE_SUPPORTED; i++) { | |
219 | if (get_feat_caps(wcn->fw_feat_caps, i)) | |
220 | wcn36xx_info("FW Cap %s\n", wcn36xx_get_cap_name(i)); | |
221 | } | |
222 | } | |
223 | ||
f2ed5d24 PF |
224 | static void wcn36xx_detect_chip_version(struct wcn36xx *wcn) |
225 | { | |
226 | if (get_feat_caps(wcn->fw_feat_caps, DOT11AC)) { | |
227 | wcn36xx_info("Chip is 3680\n"); | |
228 | wcn->chip_version = WCN36XX_CHIP_3680; | |
229 | } else { | |
230 | wcn36xx_info("Chip is 3660\n"); | |
231 | wcn->chip_version = WCN36XX_CHIP_3660; | |
232 | } | |
233 | } | |
234 | ||
8e84c258 EK |
235 | static int wcn36xx_start(struct ieee80211_hw *hw) |
236 | { | |
237 | struct wcn36xx *wcn = hw->priv; | |
238 | int ret; | |
239 | ||
240 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac start\n"); | |
241 | ||
242 | /* SMD initialization */ | |
243 | ret = wcn36xx_smd_open(wcn); | |
244 | if (ret) { | |
245 | wcn36xx_err("Failed to open smd channel: %d\n", ret); | |
246 | goto out_err; | |
247 | } | |
248 | ||
249 | /* Allocate memory pools for Mgmt BD headers and Data BD headers */ | |
250 | ret = wcn36xx_dxe_allocate_mem_pools(wcn); | |
251 | if (ret) { | |
252 | wcn36xx_err("Failed to alloc DXE mempool: %d\n", ret); | |
253 | goto out_smd_close; | |
254 | } | |
255 | ||
256 | ret = wcn36xx_dxe_alloc_ctl_blks(wcn); | |
257 | if (ret) { | |
258 | wcn36xx_err("Failed to alloc DXE ctl blocks: %d\n", ret); | |
259 | goto out_free_dxe_pool; | |
260 | } | |
261 | ||
262 | wcn->hal_buf = kmalloc(WCN36XX_HAL_BUF_SIZE, GFP_KERNEL); | |
263 | if (!wcn->hal_buf) { | |
264 | wcn36xx_err("Failed to allocate smd buf\n"); | |
265 | ret = -ENOMEM; | |
266 | goto out_free_dxe_ctl; | |
267 | } | |
268 | ||
269 | ret = wcn36xx_smd_load_nv(wcn); | |
270 | if (ret) { | |
271 | wcn36xx_err("Failed to push NV to chip\n"); | |
272 | goto out_free_smd_buf; | |
273 | } | |
274 | ||
275 | ret = wcn36xx_smd_start(wcn); | |
276 | if (ret) { | |
277 | wcn36xx_err("Failed to start chip\n"); | |
278 | goto out_free_smd_buf; | |
279 | } | |
280 | ||
f2ed5d24 PF |
281 | if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) { |
282 | ret = wcn36xx_smd_feature_caps_exchange(wcn); | |
283 | if (ret) | |
284 | wcn36xx_warn("Exchange feature caps failed\n"); | |
285 | else | |
286 | wcn36xx_feat_caps_info(wcn); | |
287 | } | |
288 | ||
289 | wcn36xx_detect_chip_version(wcn); | |
290 | ||
8e84c258 EK |
291 | /* DMA channel initialization */ |
292 | ret = wcn36xx_dxe_init(wcn); | |
293 | if (ret) { | |
294 | wcn36xx_err("DXE init failed\n"); | |
295 | goto out_smd_stop; | |
296 | } | |
297 | ||
298 | wcn36xx_debugfs_init(wcn); | |
299 | ||
8e84c258 EK |
300 | INIT_LIST_HEAD(&wcn->vif_list); |
301 | return 0; | |
302 | ||
303 | out_smd_stop: | |
304 | wcn36xx_smd_stop(wcn); | |
305 | out_free_smd_buf: | |
306 | kfree(wcn->hal_buf); | |
307 | out_free_dxe_pool: | |
308 | wcn36xx_dxe_free_mem_pools(wcn); | |
309 | out_free_dxe_ctl: | |
310 | wcn36xx_dxe_free_ctl_blks(wcn); | |
311 | out_smd_close: | |
312 | wcn36xx_smd_close(wcn); | |
313 | out_err: | |
314 | return ret; | |
315 | } | |
316 | ||
317 | static void wcn36xx_stop(struct ieee80211_hw *hw) | |
318 | { | |
319 | struct wcn36xx *wcn = hw->priv; | |
320 | ||
321 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac stop\n"); | |
322 | ||
323 | wcn36xx_debugfs_exit(wcn); | |
324 | wcn36xx_smd_stop(wcn); | |
325 | wcn36xx_dxe_deinit(wcn); | |
326 | wcn36xx_smd_close(wcn); | |
327 | ||
328 | wcn36xx_dxe_free_mem_pools(wcn); | |
329 | wcn36xx_dxe_free_ctl_blks(wcn); | |
330 | ||
331 | kfree(wcn->hal_buf); | |
332 | } | |
333 | ||
334 | static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed) | |
335 | { | |
336 | struct wcn36xx *wcn = hw->priv; | |
337 | struct ieee80211_vif *vif = NULL; | |
338 | struct wcn36xx_vif *tmp; | |
339 | ||
340 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac config changed 0x%08x\n", changed); | |
341 | ||
342 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
343 | int ch = WCN36XX_HW_CHANNEL(wcn); | |
344 | wcn36xx_dbg(WCN36XX_DBG_MAC, "wcn36xx_config channel switch=%d\n", | |
345 | ch); | |
346 | list_for_each_entry(tmp, &wcn->vif_list, list) { | |
347 | vif = container_of((void *)tmp, | |
348 | struct ieee80211_vif, | |
349 | drv_priv); | |
350 | wcn36xx_smd_switch_channel(wcn, vif, ch); | |
351 | } | |
352 | } | |
353 | ||
354 | return 0; | |
355 | } | |
356 | ||
357 | #define WCN36XX_SUPPORTED_FILTERS (0) | |
358 | ||
359 | static void wcn36xx_configure_filter(struct ieee80211_hw *hw, | |
360 | unsigned int changed, | |
361 | unsigned int *total, u64 multicast) | |
362 | { | |
363 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac configure filter\n"); | |
364 | ||
365 | *total &= WCN36XX_SUPPORTED_FILTERS; | |
366 | } | |
367 | ||
368 | static void wcn36xx_tx(struct ieee80211_hw *hw, | |
369 | struct ieee80211_tx_control *control, | |
370 | struct sk_buff *skb) | |
371 | { | |
372 | struct wcn36xx *wcn = hw->priv; | |
373 | struct wcn36xx_sta *sta_priv = NULL; | |
374 | ||
375 | if (control->sta) | |
376 | sta_priv = (struct wcn36xx_sta *)control->sta->drv_priv; | |
377 | ||
378 | if (wcn36xx_start_tx(wcn, sta_priv, skb)) | |
379 | ieee80211_free_txskb(wcn->hw, skb); | |
380 | } | |
381 | ||
382 | static int wcn36xx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
383 | struct ieee80211_vif *vif, | |
384 | struct ieee80211_sta *sta, | |
385 | struct ieee80211_key_conf *key_conf) | |
386 | { | |
387 | struct wcn36xx *wcn = hw->priv; | |
388 | struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv; | |
389 | struct wcn36xx_sta *sta_priv = vif_priv->sta; | |
390 | int ret = 0; | |
391 | u8 key[WLAN_MAX_KEY_LEN]; | |
392 | ||
393 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac80211 set key\n"); | |
394 | wcn36xx_dbg(WCN36XX_DBG_MAC, "Key: cmd=0x%x algo:0x%x, id:%d, len:%d flags 0x%x\n", | |
395 | cmd, key_conf->cipher, key_conf->keyidx, | |
396 | key_conf->keylen, key_conf->flags); | |
397 | wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "KEY: ", | |
398 | key_conf->key, | |
399 | key_conf->keylen); | |
400 | ||
401 | switch (key_conf->cipher) { | |
402 | case WLAN_CIPHER_SUITE_WEP40: | |
403 | vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP40; | |
404 | break; | |
405 | case WLAN_CIPHER_SUITE_WEP104: | |
406 | vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP40; | |
407 | break; | |
408 | case WLAN_CIPHER_SUITE_CCMP: | |
409 | vif_priv->encrypt_type = WCN36XX_HAL_ED_CCMP; | |
410 | break; | |
411 | case WLAN_CIPHER_SUITE_TKIP: | |
412 | vif_priv->encrypt_type = WCN36XX_HAL_ED_TKIP; | |
413 | break; | |
414 | default: | |
415 | wcn36xx_err("Unsupported key type 0x%x\n", | |
416 | key_conf->cipher); | |
417 | ret = -EOPNOTSUPP; | |
418 | goto out; | |
419 | } | |
420 | ||
421 | switch (cmd) { | |
422 | case SET_KEY: | |
423 | if (WCN36XX_HAL_ED_TKIP == vif_priv->encrypt_type) { | |
424 | /* | |
425 | * Supplicant is sending key in the wrong order: | |
426 | * Temporal Key (16 b) - TX MIC (8 b) - RX MIC (8 b) | |
427 | * but HW expects it to be in the order as described in | |
428 | * IEEE 802.11 spec (see chapter 11.7) like this: | |
429 | * Temporal Key (16 b) - RX MIC (8 b) - TX MIC (8 b) | |
430 | */ | |
431 | memcpy(key, key_conf->key, 16); | |
432 | memcpy(key + 16, key_conf->key + 24, 8); | |
433 | memcpy(key + 24, key_conf->key + 16, 8); | |
434 | } else { | |
435 | memcpy(key, key_conf->key, key_conf->keylen); | |
436 | } | |
437 | ||
438 | if (IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags) { | |
439 | sta_priv->is_data_encrypted = true; | |
440 | /* Reconfigure bss with encrypt_type */ | |
441 | if (NL80211_IFTYPE_STATION == vif->type) | |
442 | wcn36xx_smd_config_bss(wcn, | |
443 | vif, | |
444 | sta, | |
445 | sta->addr, | |
446 | true); | |
447 | ||
448 | wcn36xx_smd_set_stakey(wcn, | |
449 | vif_priv->encrypt_type, | |
450 | key_conf->keyidx, | |
451 | key_conf->keylen, | |
452 | key, | |
453 | get_sta_index(vif, sta_priv)); | |
454 | } else { | |
455 | wcn36xx_smd_set_bsskey(wcn, | |
456 | vif_priv->encrypt_type, | |
457 | key_conf->keyidx, | |
458 | key_conf->keylen, | |
459 | key); | |
460 | if ((WLAN_CIPHER_SUITE_WEP40 == key_conf->cipher) || | |
461 | (WLAN_CIPHER_SUITE_WEP104 == key_conf->cipher)) { | |
462 | sta_priv->is_data_encrypted = true; | |
463 | wcn36xx_smd_set_stakey(wcn, | |
464 | vif_priv->encrypt_type, | |
465 | key_conf->keyidx, | |
466 | key_conf->keylen, | |
467 | key, | |
468 | get_sta_index(vif, sta_priv)); | |
469 | } | |
470 | } | |
471 | break; | |
472 | case DISABLE_KEY: | |
473 | if (!(IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags)) { | |
474 | wcn36xx_smd_remove_bsskey(wcn, | |
475 | vif_priv->encrypt_type, | |
476 | key_conf->keyidx); | |
477 | } else { | |
478 | sta_priv->is_data_encrypted = false; | |
479 | /* do not remove key if disassociated */ | |
480 | if (sta_priv->aid) | |
481 | wcn36xx_smd_remove_stakey(wcn, | |
482 | vif_priv->encrypt_type, | |
483 | key_conf->keyidx, | |
484 | get_sta_index(vif, sta_priv)); | |
485 | } | |
486 | break; | |
487 | default: | |
488 | wcn36xx_err("Unsupported key cmd 0x%x\n", cmd); | |
489 | ret = -EOPNOTSUPP; | |
490 | goto out; | |
491 | break; | |
492 | } | |
493 | ||
494 | out: | |
495 | return ret; | |
496 | } | |
497 | ||
498 | static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw) | |
499 | { | |
500 | struct wcn36xx *wcn = hw->priv; | |
501 | ||
502 | wcn36xx_smd_init_scan(wcn, HAL_SYS_MODE_SCAN); | |
503 | wcn36xx_smd_start_scan(wcn); | |
504 | } | |
505 | ||
506 | static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw) | |
507 | { | |
508 | struct wcn36xx *wcn = hw->priv; | |
509 | ||
510 | wcn36xx_smd_end_scan(wcn); | |
511 | wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN); | |
512 | } | |
513 | ||
514 | static void wcn36xx_update_allowed_rates(struct ieee80211_sta *sta, | |
515 | enum ieee80211_band band) | |
516 | { | |
517 | int i, size; | |
518 | u16 *rates_table; | |
519 | struct wcn36xx_sta *sta_priv = (struct wcn36xx_sta *)sta->drv_priv; | |
520 | u32 rates = sta->supp_rates[band]; | |
521 | ||
522 | memset(&sta_priv->supported_rates, 0, | |
523 | sizeof(sta_priv->supported_rates)); | |
524 | sta_priv->supported_rates.op_rate_mode = STA_11n; | |
525 | ||
526 | size = ARRAY_SIZE(sta_priv->supported_rates.dsss_rates); | |
527 | rates_table = sta_priv->supported_rates.dsss_rates; | |
528 | if (band == IEEE80211_BAND_2GHZ) { | |
529 | for (i = 0; i < size; i++) { | |
530 | if (rates & 0x01) { | |
531 | rates_table[i] = wcn_2ghz_rates[i].hw_value; | |
532 | rates = rates >> 1; | |
533 | } | |
534 | } | |
535 | } | |
536 | ||
537 | size = ARRAY_SIZE(sta_priv->supported_rates.ofdm_rates); | |
538 | rates_table = sta_priv->supported_rates.ofdm_rates; | |
539 | for (i = 0; i < size; i++) { | |
540 | if (rates & 0x01) { | |
541 | rates_table[i] = wcn_5ghz_rates[i].hw_value; | |
542 | rates = rates >> 1; | |
543 | } | |
544 | } | |
545 | ||
546 | if (sta->ht_cap.ht_supported) { | |
547 | BUILD_BUG_ON(sizeof(sta->ht_cap.mcs.rx_mask) > | |
548 | sizeof(sta_priv->supported_rates.supported_mcs_set)); | |
549 | memcpy(sta_priv->supported_rates.supported_mcs_set, | |
550 | sta->ht_cap.mcs.rx_mask, | |
551 | sizeof(sta->ht_cap.mcs.rx_mask)); | |
552 | } | |
553 | } | |
554 | void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates) | |
555 | { | |
556 | u16 ofdm_rates[WCN36XX_HAL_NUM_OFDM_RATES] = { | |
557 | HW_RATE_INDEX_6MBPS, | |
558 | HW_RATE_INDEX_9MBPS, | |
559 | HW_RATE_INDEX_12MBPS, | |
560 | HW_RATE_INDEX_18MBPS, | |
561 | HW_RATE_INDEX_24MBPS, | |
562 | HW_RATE_INDEX_36MBPS, | |
563 | HW_RATE_INDEX_48MBPS, | |
564 | HW_RATE_INDEX_54MBPS | |
565 | }; | |
566 | u16 dsss_rates[WCN36XX_HAL_NUM_DSSS_RATES] = { | |
567 | HW_RATE_INDEX_1MBPS, | |
568 | HW_RATE_INDEX_2MBPS, | |
569 | HW_RATE_INDEX_5_5MBPS, | |
570 | HW_RATE_INDEX_11MBPS | |
571 | }; | |
572 | ||
573 | rates->op_rate_mode = STA_11n; | |
574 | memcpy(rates->dsss_rates, dsss_rates, | |
575 | sizeof(*dsss_rates) * WCN36XX_HAL_NUM_DSSS_RATES); | |
576 | memcpy(rates->ofdm_rates, ofdm_rates, | |
577 | sizeof(*ofdm_rates) * WCN36XX_HAL_NUM_OFDM_RATES); | |
578 | rates->supported_mcs_set[0] = 0xFF; | |
579 | } | |
580 | static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw, | |
581 | struct ieee80211_vif *vif, | |
582 | struct ieee80211_bss_conf *bss_conf, | |
583 | u32 changed) | |
584 | { | |
585 | struct wcn36xx *wcn = hw->priv; | |
586 | struct sk_buff *skb = NULL; | |
587 | u16 tim_off, tim_len; | |
588 | enum wcn36xx_hal_link_state link_state; | |
589 | struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv; | |
590 | ||
591 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss info changed vif %p changed 0x%08x\n", | |
592 | vif, changed); | |
593 | ||
594 | if (changed & BSS_CHANGED_BEACON_INFO) { | |
595 | wcn36xx_dbg(WCN36XX_DBG_MAC, | |
596 | "mac bss changed dtim period %d\n", | |
597 | bss_conf->dtim_period); | |
598 | ||
599 | vif_priv->dtim_period = bss_conf->dtim_period; | |
600 | } | |
601 | ||
602 | if (changed & BSS_CHANGED_PS) { | |
603 | wcn36xx_dbg(WCN36XX_DBG_MAC, | |
604 | "mac bss PS set %d\n", | |
605 | bss_conf->ps); | |
606 | if (bss_conf->ps) { | |
607 | wcn36xx_pmc_enter_bmps_state(wcn, vif); | |
608 | } else { | |
609 | wcn36xx_pmc_exit_bmps_state(wcn, vif); | |
610 | } | |
611 | } | |
612 | ||
613 | if (changed & BSS_CHANGED_BSSID) { | |
614 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed_bssid %pM\n", | |
615 | bss_conf->bssid); | |
616 | ||
617 | if (!is_zero_ether_addr(bss_conf->bssid)) { | |
618 | vif_priv->is_joining = true; | |
619 | vif_priv->bss_index = 0xff; | |
620 | wcn36xx_smd_join(wcn, bss_conf->bssid, | |
621 | vif->addr, WCN36XX_HW_CHANNEL(wcn)); | |
622 | wcn36xx_smd_config_bss(wcn, vif, NULL, | |
623 | bss_conf->bssid, false); | |
624 | } else { | |
625 | vif_priv->is_joining = false; | |
626 | wcn36xx_smd_delete_bss(wcn, vif); | |
627 | } | |
628 | } | |
629 | ||
630 | if (changed & BSS_CHANGED_SSID) { | |
631 | wcn36xx_dbg(WCN36XX_DBG_MAC, | |
632 | "mac bss changed ssid\n"); | |
633 | wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "ssid ", | |
634 | bss_conf->ssid, bss_conf->ssid_len); | |
635 | ||
636 | vif_priv->ssid.length = bss_conf->ssid_len; | |
637 | memcpy(&vif_priv->ssid.ssid, | |
638 | bss_conf->ssid, | |
639 | bss_conf->ssid_len); | |
640 | } | |
641 | ||
642 | if (changed & BSS_CHANGED_ASSOC) { | |
643 | vif_priv->is_joining = false; | |
644 | if (bss_conf->assoc) { | |
645 | struct ieee80211_sta *sta; | |
646 | struct wcn36xx_sta *sta_priv; | |
647 | ||
648 | wcn36xx_dbg(WCN36XX_DBG_MAC, | |
649 | "mac assoc bss %pM vif %pM AID=%d\n", | |
650 | bss_conf->bssid, | |
651 | vif->addr, | |
652 | bss_conf->aid); | |
653 | ||
654 | rcu_read_lock(); | |
655 | sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
656 | if (!sta) { | |
657 | wcn36xx_err("sta %pM is not found\n", | |
658 | bss_conf->bssid); | |
659 | rcu_read_unlock(); | |
660 | goto out; | |
661 | } | |
662 | sta_priv = (struct wcn36xx_sta *)sta->drv_priv; | |
663 | ||
664 | wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn)); | |
665 | ||
666 | wcn36xx_smd_set_link_st(wcn, bss_conf->bssid, | |
667 | vif->addr, | |
668 | WCN36XX_HAL_LINK_POSTASSOC_STATE); | |
669 | wcn36xx_smd_config_bss(wcn, vif, sta, | |
670 | bss_conf->bssid, | |
671 | true); | |
672 | sta_priv->aid = bss_conf->aid; | |
673 | /* | |
674 | * config_sta must be called from because this is the | |
675 | * place where AID is available. | |
676 | */ | |
677 | wcn36xx_smd_config_sta(wcn, vif, sta); | |
678 | rcu_read_unlock(); | |
679 | } else { | |
680 | wcn36xx_dbg(WCN36XX_DBG_MAC, | |
681 | "disassociated bss %pM vif %pM AID=%d\n", | |
682 | bss_conf->bssid, | |
683 | vif->addr, | |
684 | bss_conf->aid); | |
685 | wcn36xx_smd_set_link_st(wcn, | |
686 | bss_conf->bssid, | |
687 | vif->addr, | |
688 | WCN36XX_HAL_LINK_IDLE_STATE); | |
689 | } | |
690 | } | |
691 | ||
692 | if (changed & BSS_CHANGED_AP_PROBE_RESP) { | |
693 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed ap probe resp\n"); | |
694 | skb = ieee80211_proberesp_get(hw, vif); | |
695 | if (!skb) { | |
696 | wcn36xx_err("failed to alloc probereq skb\n"); | |
697 | goto out; | |
698 | } | |
699 | ||
700 | wcn36xx_smd_update_proberesp_tmpl(wcn, vif, skb); | |
701 | dev_kfree_skb(skb); | |
702 | } | |
703 | ||
b3e3f871 CYY |
704 | if (changed & BSS_CHANGED_BEACON_ENABLED || |
705 | changed & BSS_CHANGED_BEACON) { | |
8e84c258 EK |
706 | wcn36xx_dbg(WCN36XX_DBG_MAC, |
707 | "mac bss changed beacon enabled %d\n", | |
708 | bss_conf->enable_beacon); | |
709 | ||
710 | if (bss_conf->enable_beacon) { | |
711 | vif_priv->bss_index = 0xff; | |
712 | wcn36xx_smd_config_bss(wcn, vif, NULL, | |
713 | vif->addr, false); | |
714 | skb = ieee80211_beacon_get_tim(hw, vif, &tim_off, | |
715 | &tim_len); | |
716 | if (!skb) { | |
717 | wcn36xx_err("failed to alloc beacon skb\n"); | |
718 | goto out; | |
719 | } | |
720 | wcn36xx_smd_send_beacon(wcn, vif, skb, tim_off, 0); | |
721 | dev_kfree_skb(skb); | |
722 | ||
723 | if (vif->type == NL80211_IFTYPE_ADHOC || | |
724 | vif->type == NL80211_IFTYPE_MESH_POINT) | |
725 | link_state = WCN36XX_HAL_LINK_IBSS_STATE; | |
726 | else | |
727 | link_state = WCN36XX_HAL_LINK_AP_STATE; | |
728 | ||
729 | wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr, | |
730 | link_state); | |
731 | } else { | |
732 | wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr, | |
733 | WCN36XX_HAL_LINK_IDLE_STATE); | |
734 | wcn36xx_smd_delete_bss(wcn, vif); | |
735 | } | |
736 | } | |
737 | out: | |
738 | return; | |
739 | } | |
740 | ||
741 | /* this is required when using IEEE80211_HW_HAS_RATE_CONTROL */ | |
742 | static int wcn36xx_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
743 | { | |
744 | struct wcn36xx *wcn = hw->priv; | |
745 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac set RTS threshold %d\n", value); | |
746 | ||
747 | wcn36xx_smd_update_cfg(wcn, WCN36XX_HAL_CFG_RTS_THRESHOLD, value); | |
748 | return 0; | |
749 | } | |
750 | ||
751 | static void wcn36xx_remove_interface(struct ieee80211_hw *hw, | |
752 | struct ieee80211_vif *vif) | |
753 | { | |
754 | struct wcn36xx *wcn = hw->priv; | |
755 | struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv; | |
756 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac remove interface vif %p\n", vif); | |
757 | ||
758 | list_del(&vif_priv->list); | |
759 | wcn36xx_smd_delete_sta_self(wcn, vif->addr); | |
760 | } | |
761 | ||
762 | static int wcn36xx_add_interface(struct ieee80211_hw *hw, | |
763 | struct ieee80211_vif *vif) | |
764 | { | |
765 | struct wcn36xx *wcn = hw->priv; | |
766 | struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv; | |
767 | ||
768 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac add interface vif %p type %d\n", | |
769 | vif, vif->type); | |
770 | ||
771 | if (!(NL80211_IFTYPE_STATION == vif->type || | |
772 | NL80211_IFTYPE_AP == vif->type || | |
773 | NL80211_IFTYPE_ADHOC == vif->type || | |
774 | NL80211_IFTYPE_MESH_POINT == vif->type)) { | |
775 | wcn36xx_warn("Unsupported interface type requested: %d\n", | |
776 | vif->type); | |
777 | return -EOPNOTSUPP; | |
778 | } | |
779 | ||
780 | list_add(&vif_priv->list, &wcn->vif_list); | |
781 | wcn36xx_smd_add_sta_self(wcn, vif); | |
782 | ||
783 | return 0; | |
784 | } | |
785 | ||
786 | static int wcn36xx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
787 | struct ieee80211_sta *sta) | |
788 | { | |
789 | struct wcn36xx *wcn = hw->priv; | |
790 | struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv; | |
791 | struct wcn36xx_sta *sta_priv = (struct wcn36xx_sta *)sta->drv_priv; | |
792 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta add vif %p sta %pM\n", | |
793 | vif, sta->addr); | |
794 | ||
795 | vif_priv->sta = sta_priv; | |
796 | sta_priv->vif = vif_priv; | |
797 | /* | |
798 | * For STA mode HW will be configured on BSS_CHANGED_ASSOC because | |
799 | * at this stage AID is not available yet. | |
800 | */ | |
801 | if (NL80211_IFTYPE_STATION != vif->type) { | |
802 | wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn)); | |
803 | sta_priv->aid = sta->aid; | |
804 | wcn36xx_smd_config_sta(wcn, vif, sta); | |
805 | } | |
806 | return 0; | |
807 | } | |
808 | ||
809 | static int wcn36xx_sta_remove(struct ieee80211_hw *hw, | |
810 | struct ieee80211_vif *vif, | |
811 | struct ieee80211_sta *sta) | |
812 | { | |
813 | struct wcn36xx *wcn = hw->priv; | |
814 | struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv; | |
815 | struct wcn36xx_sta *sta_priv = (struct wcn36xx_sta *)sta->drv_priv; | |
816 | ||
817 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta remove vif %p sta %pM index %d\n", | |
818 | vif, sta->addr, sta_priv->sta_index); | |
819 | ||
820 | wcn36xx_smd_delete_sta(wcn, sta_priv->sta_index); | |
821 | vif_priv->sta = NULL; | |
822 | sta_priv->vif = NULL; | |
823 | return 0; | |
824 | } | |
825 | ||
826 | #ifdef CONFIG_PM | |
827 | ||
828 | static int wcn36xx_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow) | |
829 | { | |
830 | struct wcn36xx *wcn = hw->priv; | |
831 | ||
832 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac suspend\n"); | |
833 | ||
834 | flush_workqueue(wcn->hal_ind_wq); | |
835 | wcn36xx_smd_set_power_params(wcn, true); | |
836 | return 0; | |
837 | } | |
838 | ||
839 | static int wcn36xx_resume(struct ieee80211_hw *hw) | |
840 | { | |
841 | struct wcn36xx *wcn = hw->priv; | |
842 | ||
843 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac resume\n"); | |
844 | ||
845 | flush_workqueue(wcn->hal_ind_wq); | |
846 | wcn36xx_smd_set_power_params(wcn, false); | |
847 | return 0; | |
848 | } | |
849 | ||
850 | #endif | |
851 | ||
852 | static int wcn36xx_ampdu_action(struct ieee80211_hw *hw, | |
853 | struct ieee80211_vif *vif, | |
854 | enum ieee80211_ampdu_mlme_action action, | |
855 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
856 | u8 buf_size) | |
857 | { | |
858 | struct wcn36xx *wcn = hw->priv; | |
859 | struct wcn36xx_sta *sta_priv = NULL; | |
860 | ||
861 | wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu action action %d tid %d\n", | |
862 | action, tid); | |
863 | ||
864 | sta_priv = (struct wcn36xx_sta *)sta->drv_priv; | |
865 | ||
866 | switch (action) { | |
867 | case IEEE80211_AMPDU_RX_START: | |
868 | sta_priv->tid = tid; | |
869 | wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 0, | |
870 | get_sta_index(vif, sta_priv)); | |
871 | wcn36xx_smd_add_ba(wcn); | |
872 | wcn36xx_smd_trigger_ba(wcn, get_sta_index(vif, sta_priv)); | |
873 | ieee80211_start_tx_ba_session(sta, tid, 0); | |
874 | break; | |
875 | case IEEE80211_AMPDU_RX_STOP: | |
876 | wcn36xx_smd_del_ba(wcn, tid, get_sta_index(vif, sta_priv)); | |
877 | break; | |
878 | case IEEE80211_AMPDU_TX_START: | |
879 | ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
880 | break; | |
881 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
882 | wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 1, | |
883 | get_sta_index(vif, sta_priv)); | |
884 | break; | |
885 | case IEEE80211_AMPDU_TX_STOP_FLUSH: | |
886 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
887 | case IEEE80211_AMPDU_TX_STOP_CONT: | |
888 | ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); | |
889 | break; | |
890 | default: | |
891 | wcn36xx_err("Unknown AMPDU action\n"); | |
892 | } | |
893 | ||
894 | return 0; | |
895 | } | |
896 | ||
897 | static const struct ieee80211_ops wcn36xx_ops = { | |
898 | .start = wcn36xx_start, | |
899 | .stop = wcn36xx_stop, | |
900 | .add_interface = wcn36xx_add_interface, | |
901 | .remove_interface = wcn36xx_remove_interface, | |
902 | #ifdef CONFIG_PM | |
903 | .suspend = wcn36xx_suspend, | |
904 | .resume = wcn36xx_resume, | |
905 | #endif | |
906 | .config = wcn36xx_config, | |
907 | .configure_filter = wcn36xx_configure_filter, | |
908 | .tx = wcn36xx_tx, | |
909 | .set_key = wcn36xx_set_key, | |
910 | .sw_scan_start = wcn36xx_sw_scan_start, | |
911 | .sw_scan_complete = wcn36xx_sw_scan_complete, | |
912 | .bss_info_changed = wcn36xx_bss_info_changed, | |
913 | .set_rts_threshold = wcn36xx_set_rts_threshold, | |
914 | .sta_add = wcn36xx_sta_add, | |
915 | .sta_remove = wcn36xx_sta_remove, | |
916 | .ampdu_action = wcn36xx_ampdu_action, | |
917 | }; | |
918 | ||
919 | static int wcn36xx_init_ieee80211(struct wcn36xx *wcn) | |
920 | { | |
921 | int ret = 0; | |
922 | ||
923 | static const u32 cipher_suites[] = { | |
924 | WLAN_CIPHER_SUITE_WEP40, | |
925 | WLAN_CIPHER_SUITE_WEP104, | |
926 | WLAN_CIPHER_SUITE_TKIP, | |
927 | WLAN_CIPHER_SUITE_CCMP, | |
928 | }; | |
929 | ||
930 | wcn->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
931 | IEEE80211_HW_HAS_RATE_CONTROL | | |
932 | IEEE80211_HW_SUPPORTS_PS | | |
933 | IEEE80211_HW_CONNECTION_MONITOR | | |
934 | IEEE80211_HW_AMPDU_AGGREGATION | | |
935 | IEEE80211_HW_TIMING_BEACON_ONLY; | |
936 | ||
937 | wcn->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
938 | BIT(NL80211_IFTYPE_AP) | | |
939 | BIT(NL80211_IFTYPE_ADHOC) | | |
940 | BIT(NL80211_IFTYPE_MESH_POINT); | |
941 | ||
942 | wcn->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wcn_band_2ghz; | |
943 | wcn->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wcn_band_5ghz; | |
944 | ||
945 | wcn->hw->wiphy->cipher_suites = cipher_suites; | |
946 | wcn->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
947 | ||
948 | wcn->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
949 | ||
950 | #ifdef CONFIG_PM | |
951 | wcn->hw->wiphy->wowlan = &wowlan_support; | |
952 | #endif | |
953 | ||
954 | wcn->hw->max_listen_interval = 200; | |
955 | ||
956 | wcn->hw->queues = 4; | |
957 | ||
958 | SET_IEEE80211_DEV(wcn->hw, wcn->dev); | |
959 | ||
960 | wcn->hw->sta_data_size = sizeof(struct wcn36xx_sta); | |
961 | wcn->hw->vif_data_size = sizeof(struct wcn36xx_vif); | |
962 | ||
963 | return ret; | |
964 | } | |
965 | ||
966 | static int wcn36xx_platform_get_resources(struct wcn36xx *wcn, | |
967 | struct platform_device *pdev) | |
968 | { | |
969 | struct resource *res; | |
970 | /* Set TX IRQ */ | |
971 | res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, | |
972 | "wcnss_wlantx_irq"); | |
973 | if (!res) { | |
974 | wcn36xx_err("failed to get tx_irq\n"); | |
975 | return -ENOENT; | |
976 | } | |
977 | wcn->tx_irq = res->start; | |
978 | ||
979 | /* Set RX IRQ */ | |
980 | res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, | |
981 | "wcnss_wlanrx_irq"); | |
982 | if (!res) { | |
983 | wcn36xx_err("failed to get rx_irq\n"); | |
984 | return -ENOENT; | |
985 | } | |
986 | wcn->rx_irq = res->start; | |
987 | ||
988 | /* Map the memory */ | |
989 | res = platform_get_resource_byname(pdev, IORESOURCE_MEM, | |
990 | "wcnss_mmio"); | |
991 | if (!res) { | |
992 | wcn36xx_err("failed to get mmio\n"); | |
993 | return -ENOENT; | |
994 | } | |
995 | wcn->mmio = ioremap(res->start, resource_size(res)); | |
996 | if (!wcn->mmio) { | |
997 | wcn36xx_err("failed to map io memory\n"); | |
998 | return -ENOMEM; | |
999 | } | |
1000 | return 0; | |
1001 | } | |
1002 | ||
1003 | static int wcn36xx_probe(struct platform_device *pdev) | |
1004 | { | |
1005 | struct ieee80211_hw *hw; | |
1006 | struct wcn36xx *wcn; | |
1007 | int ret; | |
1008 | u8 addr[ETH_ALEN]; | |
1009 | ||
1010 | wcn36xx_dbg(WCN36XX_DBG_MAC, "platform probe\n"); | |
1011 | ||
1012 | hw = ieee80211_alloc_hw(sizeof(struct wcn36xx), &wcn36xx_ops); | |
1013 | if (!hw) { | |
1014 | wcn36xx_err("failed to alloc hw\n"); | |
1015 | ret = -ENOMEM; | |
1016 | goto out_err; | |
1017 | } | |
1018 | platform_set_drvdata(pdev, hw); | |
1019 | wcn = hw->priv; | |
1020 | wcn->hw = hw; | |
1021 | wcn->dev = &pdev->dev; | |
1022 | wcn->ctrl_ops = pdev->dev.platform_data; | |
1023 | ||
1024 | mutex_init(&wcn->hal_mutex); | |
1025 | ||
1026 | if (!wcn->ctrl_ops->get_hw_mac(addr)) { | |
1027 | wcn36xx_info("mac address: %pM\n", addr); | |
1028 | SET_IEEE80211_PERM_ADDR(wcn->hw, addr); | |
1029 | } | |
1030 | ||
1031 | ret = wcn36xx_platform_get_resources(wcn, pdev); | |
1032 | if (ret) | |
1033 | goto out_wq; | |
1034 | ||
1035 | wcn36xx_init_ieee80211(wcn); | |
1036 | ret = ieee80211_register_hw(wcn->hw); | |
1037 | if (ret) | |
1038 | goto out_unmap; | |
1039 | ||
1040 | return 0; | |
1041 | ||
1042 | out_unmap: | |
1043 | iounmap(wcn->mmio); | |
1044 | out_wq: | |
1045 | ieee80211_free_hw(hw); | |
1046 | out_err: | |
1047 | return ret; | |
1048 | } | |
1049 | static int wcn36xx_remove(struct platform_device *pdev) | |
1050 | { | |
1051 | struct ieee80211_hw *hw = platform_get_drvdata(pdev); | |
1052 | struct wcn36xx *wcn = hw->priv; | |
1053 | wcn36xx_dbg(WCN36XX_DBG_MAC, "platform remove\n"); | |
1054 | ||
4bda7faf | 1055 | release_firmware(wcn->nv); |
8e84c258 EK |
1056 | mutex_destroy(&wcn->hal_mutex); |
1057 | ||
1058 | ieee80211_unregister_hw(hw); | |
1059 | iounmap(wcn->mmio); | |
1060 | ieee80211_free_hw(hw); | |
1061 | ||
1062 | return 0; | |
1063 | } | |
1064 | static const struct platform_device_id wcn36xx_platform_id_table[] = { | |
1065 | { | |
1066 | .name = "wcn36xx", | |
1067 | .driver_data = 0 | |
1068 | }, | |
1069 | {} | |
1070 | }; | |
1071 | MODULE_DEVICE_TABLE(platform, wcn36xx_platform_id_table); | |
1072 | ||
1073 | static struct platform_driver wcn36xx_driver = { | |
1074 | .probe = wcn36xx_probe, | |
1075 | .remove = wcn36xx_remove, | |
1076 | .driver = { | |
1077 | .name = "wcn36xx", | |
1078 | .owner = THIS_MODULE, | |
1079 | }, | |
1080 | .id_table = wcn36xx_platform_id_table, | |
1081 | }; | |
1082 | ||
1083 | static int __init wcn36xx_init(void) | |
1084 | { | |
1085 | platform_driver_register(&wcn36xx_driver); | |
1086 | return 0; | |
1087 | } | |
1088 | module_init(wcn36xx_init); | |
1089 | ||
1090 | static void __exit wcn36xx_exit(void) | |
1091 | { | |
1092 | platform_driver_unregister(&wcn36xx_driver); | |
1093 | } | |
1094 | module_exit(wcn36xx_exit); | |
1095 | ||
1096 | MODULE_LICENSE("Dual BSD/GPL"); | |
1097 | MODULE_AUTHOR("Eugene Krasnikov k.eugene.e@gmail.com"); | |
1098 | MODULE_FIRMWARE(WLAN_NV_FILE); |