]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blame - drivers/net/wireless/ath/wcn36xx/main.c
projects / mirror_ubuntu-artful-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
wcn36xx: Close SMD channel on device removal
[mirror_ubuntu-artful-kernel.git] / drivers / net / wireless / ath / wcn36xx / main.c
CommitLineData
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 21#include <linux/platform_device.h>
05ddce49
BA		 22#include <linux/of_address.h>
23#include <linux/of_device.h>
f303a931 24#include <linux/of_irq.h>
5052de8d 25#include <linux/rpmsg.h>
f303a931
BA		 26#include <linux/soc/qcom/smem_state.h>
27#include <linux/soc/qcom/wcnss_ctrl.h>
8e84c258
EK		 28#include "wcn36xx.h"
29
30unsigned int wcn36xx_dbg_mask;
31module_param_named(debug_mask, wcn36xx_dbg_mask, uint, 0644);
32MODULE_PARM_DESC(debug_mask, "Debugging mask");
33
34#define CHAN2G(_freq, _idx) { \
57fbcce3 35 .band = NL80211_BAND_2GHZ, \
8e84c258
EK		 36 .center_freq = (_freq), \
37 .hw_value = (_idx), \
38 .max_power = 25, \
39}
40
41#define CHAN5G(_freq, _idx) { \
57fbcce3 42 .band = NL80211_BAND_5GHZ, \
8e84c258
EK		 43 .center_freq = (_freq), \
44 .hw_value = (_idx), \
45 .max_power = 25, \
46}
47
48/* The wcn firmware expects channel values to matching
49 * their mnemonic values. So use these for .hw_value. */
50static struct ieee80211_channel wcn_2ghz_channels[] = {
51 CHAN2G(2412, 1), /* Channel 1 */
52 CHAN2G(2417, 2), /* Channel 2 */
53 CHAN2G(2422, 3), /* Channel 3 */
54 CHAN2G(2427, 4), /* Channel 4 */
55 CHAN2G(2432, 5), /* Channel 5 */
56 CHAN2G(2437, 6), /* Channel 6 */
57 CHAN2G(2442, 7), /* Channel 7 */
58 CHAN2G(2447, 8), /* Channel 8 */
59 CHAN2G(2452, 9), /* Channel 9 */
60 CHAN2G(2457, 10), /* Channel 10 */
61 CHAN2G(2462, 11), /* Channel 11 */
62 CHAN2G(2467, 12), /* Channel 12 */
63 CHAN2G(2472, 13), /* Channel 13 */
64 CHAN2G(2484, 14) /* Channel 14 */
65
66};
67
68static struct ieee80211_channel wcn_5ghz_channels[] = {
69 CHAN5G(5180, 36),
70 CHAN5G(5200, 40),
71 CHAN5G(5220, 44),
72 CHAN5G(5240, 48),
73 CHAN5G(5260, 52),
74 CHAN5G(5280, 56),
75 CHAN5G(5300, 60),
76 CHAN5G(5320, 64),
77 CHAN5G(5500, 100),
78 CHAN5G(5520, 104),
79 CHAN5G(5540, 108),
80 CHAN5G(5560, 112),
81 CHAN5G(5580, 116),
82 CHAN5G(5600, 120),
83 CHAN5G(5620, 124),
84 CHAN5G(5640, 128),
85 CHAN5G(5660, 132),
86 CHAN5G(5700, 140),
87 CHAN5G(5745, 149),
88 CHAN5G(5765, 153),
89 CHAN5G(5785, 157),
90 CHAN5G(5805, 161),
91 CHAN5G(5825, 165)
92};
93
94#define RATE(_bitrate, _hw_rate, _flags) { \
95 .bitrate = (_bitrate), \
96 .flags = (_flags), \
97 .hw_value = (_hw_rate), \
98 .hw_value_short = (_hw_rate) \
99}
100
101static struct ieee80211_rate wcn_2ghz_rates[] = {
102 RATE(10, HW_RATE_INDEX_1MBPS, 0),
103 RATE(20, HW_RATE_INDEX_2MBPS, IEEE80211_RATE_SHORT_PREAMBLE),
104 RATE(55, HW_RATE_INDEX_5_5MBPS, IEEE80211_RATE_SHORT_PREAMBLE),
105 RATE(110, HW_RATE_INDEX_11MBPS, IEEE80211_RATE_SHORT_PREAMBLE),
106 RATE(60, HW_RATE_INDEX_6MBPS, 0),
107 RATE(90, HW_RATE_INDEX_9MBPS, 0),
108 RATE(120, HW_RATE_INDEX_12MBPS, 0),
109 RATE(180, HW_RATE_INDEX_18MBPS, 0),
110 RATE(240, HW_RATE_INDEX_24MBPS, 0),
111 RATE(360, HW_RATE_INDEX_36MBPS, 0),
112 RATE(480, HW_RATE_INDEX_48MBPS, 0),
113 RATE(540, HW_RATE_INDEX_54MBPS, 0)
114};
115
116static struct ieee80211_rate wcn_5ghz_rates[] = {
117 RATE(60, HW_RATE_INDEX_6MBPS, 0),
118 RATE(90, HW_RATE_INDEX_9MBPS, 0),
119 RATE(120, HW_RATE_INDEX_12MBPS, 0),
120 RATE(180, HW_RATE_INDEX_18MBPS, 0),
121 RATE(240, HW_RATE_INDEX_24MBPS, 0),
122 RATE(360, HW_RATE_INDEX_36MBPS, 0),
123 RATE(480, HW_RATE_INDEX_48MBPS, 0),
124 RATE(540, HW_RATE_INDEX_54MBPS, 0)
125};
126
127static struct ieee80211_supported_band wcn_band_2ghz = {
128 .channels = wcn_2ghz_channels,
129 .n_channels = ARRAY_SIZE(wcn_2ghz_channels),
130 .bitrates = wcn_2ghz_rates,
131 .n_bitrates = ARRAY_SIZE(wcn_2ghz_rates),
132 .ht_cap = {
133 .cap = IEEE80211_HT_CAP_GRN_FLD |
134 IEEE80211_HT_CAP_SGI_20 |
135 IEEE80211_HT_CAP_DSSSCCK40 |
136 IEEE80211_HT_CAP_LSIG_TXOP_PROT,
137 .ht_supported = true,
138 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
139 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
140 .mcs = {
141 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
142 .rx_highest = cpu_to_le16(72),
143 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
144 }
145 }
146};
147
148static struct ieee80211_supported_band wcn_band_5ghz = {
149 .channels = wcn_5ghz_channels,
150 .n_channels = ARRAY_SIZE(wcn_5ghz_channels),
151 .bitrates = wcn_5ghz_rates,
152 .n_bitrates = ARRAY_SIZE(wcn_5ghz_rates),
153 .ht_cap = {
154 .cap = IEEE80211_HT_CAP_GRN_FLD |
155 IEEE80211_HT_CAP_SGI_20 |
156 IEEE80211_HT_CAP_DSSSCCK40 |
157 IEEE80211_HT_CAP_LSIG_TXOP_PROT |
158 IEEE80211_HT_CAP_SGI_40 |
159 IEEE80211_HT_CAP_SUP_WIDTH_20_40,
160 .ht_supported = true,
161 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
162 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
163 .mcs = {
164 .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
165 .rx_highest = cpu_to_le16(72),
166 .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
167 }
168 }
169};
170
171#ifdef CONFIG_PM
172
173static const struct wiphy_wowlan_support wowlan_support = {
174 .flags = WIPHY_WOWLAN_ANY
175};
176
177#endif
178
179static inline u8 get_sta_index(struct ieee80211_vif *vif,
180 struct wcn36xx_sta *sta_priv)
181{
182 return NL80211_IFTYPE_STATION == vif->type ?
183 sta_priv->bss_sta_index :
184 sta_priv->sta_index;
185}
186
2be6636a
PF		 187static const char * const wcn36xx_caps_names[] = {
188 "MCC", /* 0 */
189 "P2P", /* 1 */
190 "DOT11AC", /* 2 */
191 "SLM_SESSIONIZATION", /* 3 */
192 "DOT11AC_OPMODE", /* 4 */
193 "SAP32STA", /* 5 */
194 "TDLS", /* 6 */
195 "P2P_GO_NOA_DECOUPLE_INIT_SCAN",/* 7 */
196 "WLANACTIVE_OFFLOAD", /* 8 */
197 "BEACON_OFFLOAD", /* 9 */
198 "SCAN_OFFLOAD", /* 10 */
199 "ROAM_OFFLOAD", /* 11 */
200 "BCN_MISS_OFFLOAD", /* 12 */
201 "STA_POWERSAVE", /* 13 */
202 "STA_ADVANCED_PWRSAVE", /* 14 */
203 "AP_UAPSD", /* 15 */
204 "AP_DFS", /* 16 */
205 "BLOCKACK", /* 17 */
206 "PHY_ERR", /* 18 */
207 "BCN_FILTER", /* 19 */
208 "RTT", /* 20 */
209 "RATECTRL", /* 21 */
ffc03c33
BA		 210 "WOW", /* 22 */
211 "WLAN_ROAM_SCAN_OFFLOAD", /* 23 */
212 "SPECULATIVE_PS_POLL", /* 24 */
213 "SCAN_SCH", /* 25 */
214 "IBSS_HEARTBEAT_OFFLOAD", /* 26 */
215 "WLAN_SCAN_OFFLOAD", /* 27 */
216 "WLAN_PERIODIC_TX_PTRN", /* 28 */
217 "ADVANCE_TDLS", /* 29 */
218 "BATCH_SCAN", /* 30 */
219 "FW_IN_TX_PATH", /* 31 */
220 "EXTENDED_NSOFFLOAD_SLOT", /* 32 */
221 "CH_SWITCH_V1", /* 33 */
222 "HT40_OBSS_SCAN", /* 34 */
223 "UPDATE_CHANNEL_LIST", /* 35 */
224 "WLAN_MCADDR_FLT", /* 36 */
225 "WLAN_CH144", /* 37 */
226 "NAN", /* 38 */
227 "TDLS_SCAN_COEXISTENCE", /* 39 */
228 "LINK_LAYER_STATS_MEAS", /* 40 */
229 "MU_MIMO", /* 41 */
230 "EXTENDED_SCAN", /* 42 */
231 "DYNAMIC_WMM_PS", /* 43 */
232 "MAC_SPOOFED_SCAN", /* 44 */
233 "BMU_ERROR_GENERIC_RECOVERY", /* 45 */
234 "DISA", /* 46 */
235 "FW_STATS", /* 47 */
236 "WPS_PRBRSP_TMPL", /* 48 */
237 "BCN_IE_FLT_DELTA", /* 49 */
238 "TDLS_OFF_CHANNEL", /* 51 */
239 "RTT3", /* 52 */
240 "MGMT_FRAME_LOGGING", /* 53 */
241 "ENHANCED_TXBD_COMPLETION", /* 54 */
242 "LOGGING_ENHANCEMENT", /* 55 */
243 "EXT_SCAN_ENHANCED", /* 56 */
244 "MEMORY_DUMP_SUPPORTED", /* 57 */
245 "PER_PKT_STATS_SUPPORTED", /* 58 */
246 "EXT_LL_STAT", /* 60 */
247 "WIFI_CONFIG", /* 61 */
248 "ANTENNA_DIVERSITY_SELECTION", /* 62 */
2be6636a
PF		 249};
250
251static const char *wcn36xx_get_cap_name(enum place_holder_in_cap_bitmap x)
252{
253 if (x >= ARRAY_SIZE(wcn36xx_caps_names))
254 return "UNKNOWN";
255 return wcn36xx_caps_names[x];
256}
257
258static void wcn36xx_feat_caps_info(struct wcn36xx *wcn)
259{
260 int i;
261
262 for (i = 0; i < MAX_FEATURE_SUPPORTED; i++) {
263 if (get_feat_caps(wcn->fw_feat_caps, i))
264 wcn36xx_info("FW Cap %s\n", wcn36xx_get_cap_name(i));
265 }
266}
267
8e84c258
EK		 268static int wcn36xx_start(struct ieee80211_hw *hw)
269{
270 struct wcn36xx *wcn = hw->priv;
271 int ret;
272
273 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac start\n");
274
275 /* SMD initialization */
276 ret = wcn36xx_smd_open(wcn);
277 if (ret) {
278 wcn36xx_err("Failed to open smd channel: %d\n", ret);
279 goto out_err;
280 }
281
282 /* Allocate memory pools for Mgmt BD headers and Data BD headers */
283 ret = wcn36xx_dxe_allocate_mem_pools(wcn);
284 if (ret) {
285 wcn36xx_err("Failed to alloc DXE mempool: %d\n", ret);
286 goto out_smd_close;
287 }
288
289 ret = wcn36xx_dxe_alloc_ctl_blks(wcn);
290 if (ret) {
291 wcn36xx_err("Failed to alloc DXE ctl blocks: %d\n", ret);
292 goto out_free_dxe_pool;
293 }
294
295 wcn->hal_buf = kmalloc(WCN36XX_HAL_BUF_SIZE, GFP_KERNEL);
296 if (!wcn->hal_buf) {
297 wcn36xx_err("Failed to allocate smd buf\n");
298 ret = -ENOMEM;
299 goto out_free_dxe_ctl;
300 }
301
302 ret = wcn36xx_smd_load_nv(wcn);
303 if (ret) {
304 wcn36xx_err("Failed to push NV to chip\n");
305 goto out_free_smd_buf;
306 }
307
308 ret = wcn36xx_smd_start(wcn);
309 if (ret) {
310 wcn36xx_err("Failed to start chip\n");
311 goto out_free_smd_buf;
312 }
313
f2ed5d24
PF		 314 if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
315 ret = wcn36xx_smd_feature_caps_exchange(wcn);
316 if (ret)
317 wcn36xx_warn("Exchange feature caps failed\n");
318 else
319 wcn36xx_feat_caps_info(wcn);
320 }
321
8e84c258
EK		 322 /* DMA channel initialization */
323 ret = wcn36xx_dxe_init(wcn);
324 if (ret) {
325 wcn36xx_err("DXE init failed\n");
326 goto out_smd_stop;
327 }
328
329 wcn36xx_debugfs_init(wcn);
330
8e84c258 331 INIT_LIST_HEAD(&wcn->vif_list);
4b12462a
BC		 332 spin_lock_init(&wcn->dxe_lock);
333
8e84c258
EK		 334 return 0;
335
336out_smd_stop:
337 wcn36xx_smd_stop(wcn);
338out_free_smd_buf:
339 kfree(wcn->hal_buf);
8e84c258
EK		 340out_free_dxe_ctl:
341 wcn36xx_dxe_free_ctl_blks(wcn);
4aa2d31f
CJ		 342out_free_dxe_pool:
343 wcn36xx_dxe_free_mem_pools(wcn);
8e84c258
EK		 344out_smd_close:
345 wcn36xx_smd_close(wcn);
346out_err:
347 return ret;
348}
349
350static void wcn36xx_stop(struct ieee80211_hw *hw)
351{
352 struct wcn36xx *wcn = hw->priv;
353
354 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac stop\n");
355
356 wcn36xx_debugfs_exit(wcn);
357 wcn36xx_smd_stop(wcn);
358 wcn36xx_dxe_deinit(wcn);
359 wcn36xx_smd_close(wcn);
360
361 wcn36xx_dxe_free_mem_pools(wcn);
362 wcn36xx_dxe_free_ctl_blks(wcn);
363
364 kfree(wcn->hal_buf);
365}
366
367static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed)
368{
369 struct wcn36xx *wcn = hw->priv;
370 struct ieee80211_vif *vif = NULL;
371 struct wcn36xx_vif *tmp;
372
373 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac config changed 0x%08x\n", changed);
374
375 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
376 int ch = WCN36XX_HW_CHANNEL(wcn);
377 wcn36xx_dbg(WCN36XX_DBG_MAC, "wcn36xx_config channel switch=%d\n",
378 ch);
379 list_for_each_entry(tmp, &wcn->vif_list, list) {
ce75877f 380 vif = wcn36xx_priv_to_vif(tmp);
8e84c258
EK		 381 wcn36xx_smd_switch_channel(wcn, vif, ch);
382 }
383 }
384
385 return 0;
386}
387
8e84c258
EK		 388static void wcn36xx_configure_filter(struct ieee80211_hw *hw,
389 unsigned int changed,
390 unsigned int *total, u64 multicast)
391{
20a779ed
PF		 392 struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp;
393 struct wcn36xx *wcn = hw->priv;
394 struct wcn36xx_vif *tmp;
395 struct ieee80211_vif *vif = NULL;
396
8e84c258
EK		 397 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac configure filter\n");
398
20a779ed
PF		 399 *total &= FIF_ALLMULTI;
400
401 fp = (void *)(unsigned long)multicast;
402 list_for_each_entry(tmp, &wcn->vif_list, list) {
403 vif = wcn36xx_priv_to_vif(tmp);
404
405 /* FW handles MC filtering only when connected as STA */
406 if (*total & FIF_ALLMULTI)
407 wcn36xx_smd_set_mc_list(wcn, vif, NULL);
408 else if (NL80211_IFTYPE_STATION == vif->type && tmp->sta_assoc)
409 wcn36xx_smd_set_mc_list(wcn, vif, fp);
410 }
411 kfree(fp);
412}
413
414static u64 wcn36xx_prepare_multicast(struct ieee80211_hw *hw,
415 struct netdev_hw_addr_list *mc_list)
416{
417 struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp;
418 struct netdev_hw_addr *ha;
419
420 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac prepare multicast list\n");
421 fp = kzalloc(sizeof(*fp), GFP_ATOMIC);
422 if (!fp) {
423 wcn36xx_err("Out of memory setting filters.\n");
424 return 0;
425 }
426
427 fp->mc_addr_count = 0;
428 /* update multicast filtering parameters */
429 if (netdev_hw_addr_list_count(mc_list) <=
430 WCN36XX_HAL_MAX_NUM_MULTICAST_ADDRESS) {
431 netdev_hw_addr_list_for_each(ha, mc_list) {
432 memcpy(fp->mc_addr[fp->mc_addr_count],
433 ha->addr, ETH_ALEN);
434 fp->mc_addr_count++;
435 }
436 }
437
438 return (u64)(unsigned long)fp;
8e84c258
EK		 439}
440
441static void wcn36xx_tx(struct ieee80211_hw *hw,
442 struct ieee80211_tx_control *control,
443 struct sk_buff *skb)
444{
445 struct wcn36xx *wcn = hw->priv;
446 struct wcn36xx_sta *sta_priv = NULL;
447
448 if (control->sta)
a92e4696 449 sta_priv = wcn36xx_sta_to_priv(control->sta);
8e84c258
EK		 450
451 if (wcn36xx_start_tx(wcn, sta_priv, skb))
452 ieee80211_free_txskb(wcn->hw, skb);
453}
454
455static int wcn36xx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
456 struct ieee80211_vif *vif,
457 struct ieee80211_sta *sta,
458 struct ieee80211_key_conf *key_conf)
459{
460 struct wcn36xx *wcn = hw->priv;
ce75877f 461 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
81c69263 462 struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
8e84c258
EK		 463 int ret = 0;
464 u8 key[WLAN_MAX_KEY_LEN];
465
466 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac80211 set key\n");
467 wcn36xx_dbg(WCN36XX_DBG_MAC, "Key: cmd=0x%x algo:0x%x, id:%d, len:%d flags 0x%x\n",
468 cmd, key_conf->cipher, key_conf->keyidx,
469 key_conf->keylen, key_conf->flags);
470 wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "KEY: ",
471 key_conf->key,
472 key_conf->keylen);
473
474 switch (key_conf->cipher) {
475 case WLAN_CIPHER_SUITE_WEP40:
476 vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP40;
477 break;
478 case WLAN_CIPHER_SUITE_WEP104:
479 vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP40;
480 break;
481 case WLAN_CIPHER_SUITE_CCMP:
482 vif_priv->encrypt_type = WCN36XX_HAL_ED_CCMP;
483 break;
484 case WLAN_CIPHER_SUITE_TKIP:
485 vif_priv->encrypt_type = WCN36XX_HAL_ED_TKIP;
486 break;
487 default:
488 wcn36xx_err("Unsupported key type 0x%x\n",
489 key_conf->cipher);
490 ret = -EOPNOTSUPP;
491 goto out;
492 }
493
494 switch (cmd) {
495 case SET_KEY:
496 if (WCN36XX_HAL_ED_TKIP == vif_priv->encrypt_type) {
497 /*
498 * Supplicant is sending key in the wrong order:
499 * Temporal Key (16 b) - TX MIC (8 b) - RX MIC (8 b)
500 * but HW expects it to be in the order as described in
501 * IEEE 802.11 spec (see chapter 11.7) like this:
502 * Temporal Key (16 b) - RX MIC (8 b) - TX MIC (8 b)
503 */
504 memcpy(key, key_conf->key, 16);
505 memcpy(key + 16, key_conf->key + 24, 8);
506 memcpy(key + 24, key_conf->key + 16, 8);
507 } else {
508 memcpy(key, key_conf->key, key_conf->keylen);
509 }
510
511 if (IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags) {
512 sta_priv->is_data_encrypted = true;
513 /* Reconfigure bss with encrypt_type */
514 if (NL80211_IFTYPE_STATION == vif->type)
515 wcn36xx_smd_config_bss(wcn,
516 vif,
517 sta,
518 sta->addr,
519 true);
520
521 wcn36xx_smd_set_stakey(wcn,
522 vif_priv->encrypt_type,
523 key_conf->keyidx,
524 key_conf->keylen,
525 key,
526 get_sta_index(vif, sta_priv));
527 } else {
528 wcn36xx_smd_set_bsskey(wcn,
529 vif_priv->encrypt_type,
530 key_conf->keyidx,
531 key_conf->keylen,
532 key);
533 if ((WLAN_CIPHER_SUITE_WEP40 == key_conf->cipher) ||
534 (WLAN_CIPHER_SUITE_WEP104 == key_conf->cipher)) {
535 sta_priv->is_data_encrypted = true;
536 wcn36xx_smd_set_stakey(wcn,
537 vif_priv->encrypt_type,
538 key_conf->keyidx,
539 key_conf->keylen,
540 key,
541 get_sta_index(vif, sta_priv));
542 }
543 }
544 break;
545 case DISABLE_KEY:
546 if (!(IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags)) {
2716a8ac 547 vif_priv->encrypt_type = WCN36XX_HAL_ED_NONE;
8e84c258
EK		 548 wcn36xx_smd_remove_bsskey(wcn,
549 vif_priv->encrypt_type,
550 key_conf->keyidx);
551 } else {
552 sta_priv->is_data_encrypted = false;
553 /* do not remove key if disassociated */
554 if (sta_priv->aid)
555 wcn36xx_smd_remove_stakey(wcn,
556 vif_priv->encrypt_type,
557 key_conf->keyidx,
558 get_sta_index(vif, sta_priv));
559 }
560 break;
561 default:
562 wcn36xx_err("Unsupported key cmd 0x%x\n", cmd);
563 ret = -EOPNOTSUPP;
564 goto out;
8e84c258
EK		 565 }
566
567out:
568 return ret;
569}
570
88603903 571static void wcn36xx_hw_scan_worker(struct work_struct *work)
8e84c258 572{
88603903
BA		 573 struct wcn36xx *wcn = container_of(work, struct wcn36xx, scan_work);
574 struct cfg80211_scan_request *req = wcn->scan_req;
575 u8 channels[WCN36XX_HAL_PNO_MAX_NETW_CHANNELS_EX];
576 struct cfg80211_scan_info scan_info = {};
03c95dbe 577 bool aborted = false;
88603903
BA		 578 int i;
579
580 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac80211 scan %d channels worker\n", req->n_channels);
581
582 for (i = 0; i < req->n_channels; i++)
583 channels[i] = req->channels[i]->hw_value;
584
585 wcn36xx_smd_update_scan_params(wcn, channels, req->n_channels);
8e84c258
EK		 586
587 wcn36xx_smd_init_scan(wcn, HAL_SYS_MODE_SCAN);
88603903 588 for (i = 0; i < req->n_channels; i++) {
03c95dbe
BA		 589 mutex_lock(&wcn->scan_lock);
590 aborted = wcn->scan_aborted;
591 mutex_unlock(&wcn->scan_lock);
592
593 if (aborted)
594 break;
595
88603903
BA		 596 wcn->scan_freq = req->channels[i]->center_freq;
597 wcn->scan_band = req->channels[i]->band;
598
599 wcn36xx_smd_start_scan(wcn, req->channels[i]->hw_value);
600 msleep(30);
601 wcn36xx_smd_end_scan(wcn, req->channels[i]->hw_value);
602
603 wcn->scan_freq = 0;
604 }
605 wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN);
606
03c95dbe 607 scan_info.aborted = aborted;
88603903
BA		 608 ieee80211_scan_completed(wcn->hw, &scan_info);
609
610 mutex_lock(&wcn->scan_lock);
611 wcn->scan_req = NULL;
612 mutex_unlock(&wcn->scan_lock);
8e84c258
EK		 613}
614
88603903
BA		 615static int wcn36xx_hw_scan(struct ieee80211_hw *hw,
616 struct ieee80211_vif *vif,
617 struct ieee80211_scan_request *hw_req)
8e84c258
EK		 618{
619 struct wcn36xx *wcn = hw->priv;
620
88603903
BA		 621 mutex_lock(&wcn->scan_lock);
622 if (wcn->scan_req) {
623 mutex_unlock(&wcn->scan_lock);
624 return -EBUSY;
625 }
03c95dbe
BA		 626
627 wcn->scan_aborted = false;
88603903
BA		 628 wcn->scan_req = &hw_req->req;
629 mutex_unlock(&wcn->scan_lock);
630
631 schedule_work(&wcn->scan_work);
632
633 return 0;
8e84c258
EK		 634}
635
03c95dbe
BA		 636static void wcn36xx_cancel_hw_scan(struct ieee80211_hw *hw,
637 struct ieee80211_vif *vif)
638{
639 struct wcn36xx *wcn = hw->priv;
640
641 mutex_lock(&wcn->scan_lock);
642 wcn->scan_aborted = true;
643 mutex_unlock(&wcn->scan_lock);
644
645 cancel_work_sync(&wcn->scan_work);
646}
647
8e84c258 648static void wcn36xx_update_allowed_rates(struct ieee80211_sta *sta,
57fbcce3 649 enum nl80211_band band)
8e84c258
EK		 650{
651 int i, size;
652 u16 *rates_table;
a92e4696 653 struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
8e84c258
EK		 654 u32 rates = sta->supp_rates[band];
655
656 memset(&sta_priv->supported_rates, 0,
657 sizeof(sta_priv->supported_rates));
658 sta_priv->supported_rates.op_rate_mode = STA_11n;
659
660 size = ARRAY_SIZE(sta_priv->supported_rates.dsss_rates);
661 rates_table = sta_priv->supported_rates.dsss_rates;
57fbcce3 662 if (band == NL80211_BAND_2GHZ) {
8e84c258
EK		 663 for (i = 0; i < size; i++) {
664 if (rates & 0x01) {
665 rates_table[i] = wcn_2ghz_rates[i].hw_value;
666 rates = rates >> 1;
667 }
668 }
669 }
670
671 size = ARRAY_SIZE(sta_priv->supported_rates.ofdm_rates);
672 rates_table = sta_priv->supported_rates.ofdm_rates;
673 for (i = 0; i < size; i++) {
674 if (rates & 0x01) {
675 rates_table[i] = wcn_5ghz_rates[i].hw_value;
676 rates = rates >> 1;
677 }
678 }
679
680 if (sta->ht_cap.ht_supported) {
681 BUILD_BUG_ON(sizeof(sta->ht_cap.mcs.rx_mask) >
682 sizeof(sta_priv->supported_rates.supported_mcs_set));
683 memcpy(sta_priv->supported_rates.supported_mcs_set,
684 sta->ht_cap.mcs.rx_mask,
685 sizeof(sta->ht_cap.mcs.rx_mask));
686 }
687}
688void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates)
689{
690 u16 ofdm_rates[WCN36XX_HAL_NUM_OFDM_RATES] = {
691 HW_RATE_INDEX_6MBPS,
692 HW_RATE_INDEX_9MBPS,
693 HW_RATE_INDEX_12MBPS,
694 HW_RATE_INDEX_18MBPS,
695 HW_RATE_INDEX_24MBPS,
696 HW_RATE_INDEX_36MBPS,
697 HW_RATE_INDEX_48MBPS,
698 HW_RATE_INDEX_54MBPS
699 };
700 u16 dsss_rates[WCN36XX_HAL_NUM_DSSS_RATES] = {
701 HW_RATE_INDEX_1MBPS,
702 HW_RATE_INDEX_2MBPS,
703 HW_RATE_INDEX_5_5MBPS,
704 HW_RATE_INDEX_11MBPS
705 };
706
707 rates->op_rate_mode = STA_11n;
708 memcpy(rates->dsss_rates, dsss_rates,
709 sizeof(*dsss_rates) * WCN36XX_HAL_NUM_DSSS_RATES);
710 memcpy(rates->ofdm_rates, ofdm_rates,
711 sizeof(*ofdm_rates) * WCN36XX_HAL_NUM_OFDM_RATES);
712 rates->supported_mcs_set[0] = 0xFF;
713}
714static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw,
715 struct ieee80211_vif *vif,
716 struct ieee80211_bss_conf *bss_conf,
717 u32 changed)
718{
719 struct wcn36xx *wcn = hw->priv;
720 struct sk_buff *skb = NULL;
721 u16 tim_off, tim_len;
722 enum wcn36xx_hal_link_state link_state;
ce75877f 723 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
8e84c258
EK		 724
725 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss info changed vif %p changed 0x%08x\n",
726 vif, changed);
727
728 if (changed & BSS_CHANGED_BEACON_INFO) {
729 wcn36xx_dbg(WCN36XX_DBG_MAC,
730 "mac bss changed dtim period %d\n",
731 bss_conf->dtim_period);
732
733 vif_priv->dtim_period = bss_conf->dtim_period;
734 }
735
736 if (changed & BSS_CHANGED_PS) {
737 wcn36xx_dbg(WCN36XX_DBG_MAC,
738 "mac bss PS set %d\n",
739 bss_conf->ps);
740 if (bss_conf->ps) {
741 wcn36xx_pmc_enter_bmps_state(wcn, vif);
742 } else {
743 wcn36xx_pmc_exit_bmps_state(wcn, vif);
744 }
745 }
746
747 if (changed & BSS_CHANGED_BSSID) {
748 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed_bssid %pM\n",
749 bss_conf->bssid);
750
751 if (!is_zero_ether_addr(bss_conf->bssid)) {
752 vif_priv->is_joining = true;
90023c03 753 vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX;
8e84c258
EK		 754 wcn36xx_smd_join(wcn, bss_conf->bssid,
755 vif->addr, WCN36XX_HW_CHANNEL(wcn));
756 wcn36xx_smd_config_bss(wcn, vif, NULL,
757 bss_conf->bssid, false);
758 } else {
759 vif_priv->is_joining = false;
760 wcn36xx_smd_delete_bss(wcn, vif);
2716a8ac 761 vif_priv->encrypt_type = WCN36XX_HAL_ED_NONE;
8e84c258
EK		 762 }
763 }
764
765 if (changed & BSS_CHANGED_SSID) {
766 wcn36xx_dbg(WCN36XX_DBG_MAC,
767 "mac bss changed ssid\n");
768 wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "ssid ",
769 bss_conf->ssid, bss_conf->ssid_len);
770
771 vif_priv->ssid.length = bss_conf->ssid_len;
772 memcpy(&vif_priv->ssid.ssid,
773 bss_conf->ssid,
774 bss_conf->ssid_len);
775 }
776
777 if (changed & BSS_CHANGED_ASSOC) {
778 vif_priv->is_joining = false;
779 if (bss_conf->assoc) {
780 struct ieee80211_sta *sta;
781 struct wcn36xx_sta *sta_priv;
782
783 wcn36xx_dbg(WCN36XX_DBG_MAC,
784 "mac assoc bss %pM vif %pM AID=%d\n",
785 bss_conf->bssid,
786 vif->addr,
787 bss_conf->aid);
788
043ce546 789 vif_priv->sta_assoc = true;
8e84c258
EK		 790 rcu_read_lock();
791 sta = ieee80211_find_sta(vif, bss_conf->bssid);
792 if (!sta) {
793 wcn36xx_err("sta %pM is not found\n",
794 bss_conf->bssid);
795 rcu_read_unlock();
796 goto out;
797 }
a92e4696 798 sta_priv = wcn36xx_sta_to_priv(sta);
8e84c258
EK		 799
800 wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn));
801
802 wcn36xx_smd_set_link_st(wcn, bss_conf->bssid,
803 vif->addr,
804 WCN36XX_HAL_LINK_POSTASSOC_STATE);
805 wcn36xx_smd_config_bss(wcn, vif, sta,
806 bss_conf->bssid,
807 true);
808 sta_priv->aid = bss_conf->aid;
809 /*
810 * config_sta must be called from because this is the
811 * place where AID is available.
812 */
813 wcn36xx_smd_config_sta(wcn, vif, sta);
814 rcu_read_unlock();
815 } else {
816 wcn36xx_dbg(WCN36XX_DBG_MAC,
817 "disassociated bss %pM vif %pM AID=%d\n",
818 bss_conf->bssid,
819 vif->addr,
820 bss_conf->aid);
043ce546 821 vif_priv->sta_assoc = false;
8e84c258
EK		 822 wcn36xx_smd_set_link_st(wcn,
823 bss_conf->bssid,
824 vif->addr,
825 WCN36XX_HAL_LINK_IDLE_STATE);
826 }
827 }
828
829 if (changed & BSS_CHANGED_AP_PROBE_RESP) {
830 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed ap probe resp\n");
831 skb = ieee80211_proberesp_get(hw, vif);
832 if (!skb) {
833 wcn36xx_err("failed to alloc probereq skb\n");
834 goto out;
835 }
836
837 wcn36xx_smd_update_proberesp_tmpl(wcn, vif, skb);
838 dev_kfree_skb(skb);
839 }
840
b3e3f871
CYY		 841 if (changed & BSS_CHANGED_BEACON_ENABLED ||
842 changed & BSS_CHANGED_BEACON) {
8e84c258
EK		 843 wcn36xx_dbg(WCN36XX_DBG_MAC,
844 "mac bss changed beacon enabled %d\n",
845 bss_conf->enable_beacon);
846
847 if (bss_conf->enable_beacon) {
908628db 848 vif_priv->dtim_period = bss_conf->dtim_period;
90023c03 849 vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX;
8e84c258
EK		 850 wcn36xx_smd_config_bss(wcn, vif, NULL,
851 vif->addr, false);
852 skb = ieee80211_beacon_get_tim(hw, vif, &tim_off,
853 &tim_len);
854 if (!skb) {
855 wcn36xx_err("failed to alloc beacon skb\n");
856 goto out;
857 }
858 wcn36xx_smd_send_beacon(wcn, vif, skb, tim_off, 0);
859 dev_kfree_skb(skb);
860
861 if (vif->type == NL80211_IFTYPE_ADHOC ||
862 vif->type == NL80211_IFTYPE_MESH_POINT)
863 link_state = WCN36XX_HAL_LINK_IBSS_STATE;
864 else
865 link_state = WCN36XX_HAL_LINK_AP_STATE;
866
867 wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr,
868 link_state);
869 } else {
5443918d 870 wcn36xx_smd_delete_bss(wcn, vif);
8e84c258
EK		 871 wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr,
872 WCN36XX_HAL_LINK_IDLE_STATE);
8e84c258
EK		 873 }
874 }
875out:
876 return;
877}
878
879/* this is required when using IEEE80211_HW_HAS_RATE_CONTROL */
880static int wcn36xx_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
881{
882 struct wcn36xx *wcn = hw->priv;
883 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac set RTS threshold %d\n", value);
884
885 wcn36xx_smd_update_cfg(wcn, WCN36XX_HAL_CFG_RTS_THRESHOLD, value);
886 return 0;
887}
888
889static void wcn36xx_remove_interface(struct ieee80211_hw *hw,
890 struct ieee80211_vif *vif)
891{
892 struct wcn36xx *wcn = hw->priv;
ce75877f 893 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
8e84c258
EK		 894 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac remove interface vif %p\n", vif);
895
896 list_del(&vif_priv->list);
897 wcn36xx_smd_delete_sta_self(wcn, vif->addr);
898}
899
900static int wcn36xx_add_interface(struct ieee80211_hw *hw,
901 struct ieee80211_vif *vif)
902{
903 struct wcn36xx *wcn = hw->priv;
ce75877f 904 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
8e84c258
EK		 905
906 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac add interface vif %p type %d\n",
907 vif, vif->type);
908
909 if (!(NL80211_IFTYPE_STATION == vif->type ||
910 NL80211_IFTYPE_AP == vif->type ||
911 NL80211_IFTYPE_ADHOC == vif->type ||
912 NL80211_IFTYPE_MESH_POINT == vif->type)) {
913 wcn36xx_warn("Unsupported interface type requested: %d\n",
914 vif->type);
915 return -EOPNOTSUPP;
916 }
917
918 list_add(&vif_priv->list, &wcn->vif_list);
919 wcn36xx_smd_add_sta_self(wcn, vif);
920
921 return 0;
922}
923
924static int wcn36xx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
925 struct ieee80211_sta *sta)
926{
927 struct wcn36xx *wcn = hw->priv;
ce75877f 928 struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
a92e4696 929 struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
8e84c258
EK		 930 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta add vif %p sta %pM\n",
931 vif, sta->addr);
932
e26dc173 933 spin_lock_init(&sta_priv->ampdu_lock);
8e84c258
EK		 934 sta_priv->vif = vif_priv;
935 /*
936 * For STA mode HW will be configured on BSS_CHANGED_ASSOC because
937 * at this stage AID is not available yet.
938 */
939 if (NL80211_IFTYPE_STATION != vif->type) {
940 wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn));
941 sta_priv->aid = sta->aid;
942 wcn36xx_smd_config_sta(wcn, vif, sta);
943 }
944 return 0;
945}
946
947static int wcn36xx_sta_remove(struct ieee80211_hw *hw,
948 struct ieee80211_vif *vif,
949 struct ieee80211_sta *sta)
950{
951 struct wcn36xx *wcn = hw->priv;
a92e4696 952 struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
8e84c258
EK		 953
954 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta remove vif %p sta %pM index %d\n",
955 vif, sta->addr, sta_priv->sta_index);
956
957 wcn36xx_smd_delete_sta(wcn, sta_priv->sta_index);
8e84c258
EK		 958 sta_priv->vif = NULL;
959 return 0;
960}
961
962#ifdef CONFIG_PM
963
964static int wcn36xx_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow)
965{
966 struct wcn36xx *wcn = hw->priv;
967
968 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac suspend\n");
969
970 flush_workqueue(wcn->hal_ind_wq);
971 wcn36xx_smd_set_power_params(wcn, true);
972 return 0;
973}
974
975static int wcn36xx_resume(struct ieee80211_hw *hw)
976{
977 struct wcn36xx *wcn = hw->priv;
978
979 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac resume\n");
980
981 flush_workqueue(wcn->hal_ind_wq);
982 wcn36xx_smd_set_power_params(wcn, false);
983 return 0;
984}
985
986#endif
987
988static int wcn36xx_ampdu_action(struct ieee80211_hw *hw,
989 struct ieee80211_vif *vif,
50ea05ef 990 struct ieee80211_ampdu_params *params)
8e84c258
EK		 991{
992 struct wcn36xx *wcn = hw->priv;
a92e4696 993 struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(params->sta);
50ea05ef
SS		 994 struct ieee80211_sta *sta = params->sta;
995 enum ieee80211_ampdu_mlme_action action = params->action;
996 u16 tid = params->tid;
997 u16 *ssn = &params->ssn;
8e84c258
EK		 998
999 wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu action action %d tid %d\n",
1000 action, tid);
1001
8e84c258
EK		 1002 switch (action) {
1003 case IEEE80211_AMPDU_RX_START:
1004 sta_priv->tid = tid;
1005 wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 0,
1006 get_sta_index(vif, sta_priv));
1007 wcn36xx_smd_add_ba(wcn);
1008 wcn36xx_smd_trigger_ba(wcn, get_sta_index(vif, sta_priv));
8e84c258
EK		 1009 break;
1010 case IEEE80211_AMPDU_RX_STOP:
1011 wcn36xx_smd_del_ba(wcn, tid, get_sta_index(vif, sta_priv));
1012 break;
1013 case IEEE80211_AMPDU_TX_START:
e26dc173
BC		 1014 spin_lock_bh(&sta_priv->ampdu_lock);
1015 sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_START;
1016 spin_unlock_bh(&sta_priv->ampdu_lock);
1017
8e84c258
EK		 1018 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1019 break;
1020 case IEEE80211_AMPDU_TX_OPERATIONAL:
e26dc173
BC		 1021 spin_lock_bh(&sta_priv->ampdu_lock);
1022 sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_OPERATIONAL;
1023 spin_unlock_bh(&sta_priv->ampdu_lock);
1024
8e84c258
EK		 1025 wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 1,
1026 get_sta_index(vif, sta_priv));
1027 break;
1028 case IEEE80211_AMPDU_TX_STOP_FLUSH:
1029 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1030 case IEEE80211_AMPDU_TX_STOP_CONT:
e26dc173
BC		 1031 spin_lock_bh(&sta_priv->ampdu_lock);
1032 sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_NONE;
1033 spin_unlock_bh(&sta_priv->ampdu_lock);
1034
8e84c258
EK		 1035 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
1036 break;
1037 default:
1038 wcn36xx_err("Unknown AMPDU action\n");
1039 }
1040
1041 return 0;
1042}
1043
1044static const struct ieee80211_ops wcn36xx_ops = {
1045 .start = wcn36xx_start,
1046 .stop = wcn36xx_stop,
1047 .add_interface = wcn36xx_add_interface,
1048 .remove_interface = wcn36xx_remove_interface,
1049#ifdef CONFIG_PM
1050 .suspend = wcn36xx_suspend,
1051 .resume = wcn36xx_resume,
1052#endif
1053 .config = wcn36xx_config,
20a779ed 1054 .prepare_multicast = wcn36xx_prepare_multicast,
8e84c258
EK		 1055 .configure_filter = wcn36xx_configure_filter,
1056 .tx = wcn36xx_tx,
1057 .set_key = wcn36xx_set_key,
88603903 1058 .hw_scan = wcn36xx_hw_scan,
03c95dbe 1059 .cancel_hw_scan = wcn36xx_cancel_hw_scan,
8e84c258
EK		 1060 .bss_info_changed = wcn36xx_bss_info_changed,
1061 .set_rts_threshold = wcn36xx_set_rts_threshold,
1062 .sta_add = wcn36xx_sta_add,
1063 .sta_remove = wcn36xx_sta_remove,
1064 .ampdu_action = wcn36xx_ampdu_action,
1065};
1066
1067static int wcn36xx_init_ieee80211(struct wcn36xx *wcn)
1068{
1069 int ret = 0;
1070
1071 static const u32 cipher_suites[] = {
1072 WLAN_CIPHER_SUITE_WEP40,
1073 WLAN_CIPHER_SUITE_WEP104,
1074 WLAN_CIPHER_SUITE_TKIP,
1075 WLAN_CIPHER_SUITE_CCMP,
1076 };
1077
30686bf7
JB		 1078 ieee80211_hw_set(wcn->hw, TIMING_BEACON_ONLY);
1079 ieee80211_hw_set(wcn->hw, AMPDU_AGGREGATION);
1080 ieee80211_hw_set(wcn->hw, CONNECTION_MONITOR);
1081 ieee80211_hw_set(wcn->hw, SUPPORTS_PS);
1082 ieee80211_hw_set(wcn->hw, SIGNAL_DBM);
1083 ieee80211_hw_set(wcn->hw, HAS_RATE_CONTROL);
88603903 1084 ieee80211_hw_set(wcn->hw, SINGLE_SCAN_ON_ALL_BANDS);
8e84c258
EK		 1085
1086 wcn->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1087 BIT(NL80211_IFTYPE_AP) |
1088 BIT(NL80211_IFTYPE_ADHOC) |
1089 BIT(NL80211_IFTYPE_MESH_POINT);
1090
57fbcce3
JB		 1091 wcn->hw->wiphy->bands[NL80211_BAND_2GHZ] = &wcn_band_2ghz;
1092 wcn->hw->wiphy->bands[NL80211_BAND_5GHZ] = &wcn_band_5ghz;
8e84c258 1093
88603903
BA		 1094 wcn->hw->wiphy->max_scan_ssids = WCN36XX_MAX_SCAN_SSIDS;
1095 wcn->hw->wiphy->max_scan_ie_len = WCN36XX_MAX_SCAN_IE_LEN;
1096
8e84c258
EK		 1097 wcn->hw->wiphy->cipher_suites = cipher_suites;
1098 wcn->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
1099
1100 wcn->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
1101
1102#ifdef CONFIG_PM
1103 wcn->hw->wiphy->wowlan = &wowlan_support;
1104#endif
1105
1106 wcn->hw->max_listen_interval = 200;
1107
1108 wcn->hw->queues = 4;
1109
1110 SET_IEEE80211_DEV(wcn->hw, wcn->dev);
1111
1112 wcn->hw->sta_data_size = sizeof(struct wcn36xx_sta);
1113 wcn->hw->vif_data_size = sizeof(struct wcn36xx_vif);
1114
ae44b502
AZ		 1115 wiphy_ext_feature_set(wcn->hw->wiphy,
1116 NL80211_EXT_FEATURE_CQM_RSSI_LIST);
1117
8e84c258
EK		 1118 return ret;
1119}
1120
1121static int wcn36xx_platform_get_resources(struct wcn36xx *wcn,
1122 struct platform_device *pdev)
1123{
05ddce49 1124 struct device_node *mmio_node;
8e84c258 1125 struct resource *res;
05ddce49
BA		 1126 int index;
1127 int ret;
1128
8e84c258 1129 /* Set TX IRQ */
f303a931 1130 res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "tx");
8e84c258
EK		 1131 if (!res) {
1132 wcn36xx_err("failed to get tx_irq\n");
1133 return -ENOENT;
1134 }
1135 wcn->tx_irq = res->start;
1136
1137 /* Set RX IRQ */
f303a931 1138 res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "rx");
8e84c258
EK		 1139 if (!res) {
1140 wcn36xx_err("failed to get rx_irq\n");
1141 return -ENOENT;
1142 }
1143 wcn->rx_irq = res->start;
1144
f303a931
BA		 1145 /* Acquire SMSM tx enable handle */
1146 wcn->tx_enable_state = qcom_smem_state_get(&pdev->dev,
1147 "tx-enable", &wcn->tx_enable_state_bit);
1148 if (IS_ERR(wcn->tx_enable_state)) {
1149 wcn36xx_err("failed to get tx-enable state\n");
1150 return PTR_ERR(wcn->tx_enable_state);
1151 }
1152
1153 /* Acquire SMSM tx rings empty handle */
1154 wcn->tx_rings_empty_state = qcom_smem_state_get(&pdev->dev,
1155 "tx-rings-empty", &wcn->tx_rings_empty_state_bit);
1156 if (IS_ERR(wcn->tx_rings_empty_state)) {
1157 wcn36xx_err("failed to get tx-rings-empty state\n");
1158 return PTR_ERR(wcn->tx_rings_empty_state);
1159 }
1160
05ddce49
BA		 1161 mmio_node = of_parse_phandle(pdev->dev.parent->of_node, "qcom,mmio", 0);
1162 if (!mmio_node) {
1163 wcn36xx_err("failed to acquire qcom,mmio reference\n");
1164 return -EINVAL;
1165 }
1166
6f10b4e1
BA		 1167 wcn->is_pronto = !!of_device_is_compatible(mmio_node, "qcom,pronto");
1168
05ddce49
BA		 1169 /* Map the CCU memory */
1170 index = of_property_match_string(mmio_node, "reg-names", "ccu");
1171 wcn->ccu_base = of_iomap(mmio_node, index);
1172 if (!wcn->ccu_base) {
1173 wcn36xx_err("failed to map ccu memory\n");
1174 ret = -ENOMEM;
1175 goto put_mmio_node;
8e84c258 1176 }
05ddce49
BA		 1177
1178 /* Map the DXE memory */
1179 index = of_property_match_string(mmio_node, "reg-names", "dxe");
1180 wcn->dxe_base = of_iomap(mmio_node, index);
1181 if (!wcn->dxe_base) {
1182 wcn36xx_err("failed to map dxe memory\n");
1183 ret = -ENOMEM;
1184 goto unmap_ccu;
8e84c258 1185 }
05ddce49
BA		 1186
1187 of_node_put(mmio_node);
8e84c258 1188 return 0;
05ddce49
BA		 1189
1190unmap_ccu:
1191 iounmap(wcn->ccu_base);
1192put_mmio_node:
1193 of_node_put(mmio_node);
1194 return ret;
8e84c258
EK		 1195}
1196
1197static int wcn36xx_probe(struct platform_device *pdev)
1198{
1199 struct ieee80211_hw *hw;
1200 struct wcn36xx *wcn;
f303a931 1201 void *wcnss;
8e84c258 1202 int ret;
f303a931 1203 const u8 *addr;
8e84c258
EK		 1204
1205 wcn36xx_dbg(WCN36XX_DBG_MAC, "platform probe\n");
1206
f303a931
BA		 1207 wcnss = dev_get_drvdata(pdev->dev.parent);
1208
8e84c258
EK		 1209 hw = ieee80211_alloc_hw(sizeof(struct wcn36xx), &wcn36xx_ops);
1210 if (!hw) {
1211 wcn36xx_err("failed to alloc hw\n");
1212 ret = -ENOMEM;
1213 goto out_err;
1214 }
1215 platform_set_drvdata(pdev, hw);
1216 wcn = hw->priv;
1217 wcn->hw = hw;
1218 wcn->dev = &pdev->dev;
8e84c258 1219 mutex_init(&wcn->hal_mutex);
88603903
BA		 1220 mutex_init(&wcn->scan_lock);
1221
1222 INIT_WORK(&wcn->scan_work, wcn36xx_hw_scan_worker);
8e84c258 1223
5052de8d 1224 wcn->smd_channel = qcom_wcnss_open_channel(wcnss, "WLAN_CTRL", wcn36xx_smd_rsp_process, hw);
f303a931
BA		 1225 if (IS_ERR(wcn->smd_channel)) {
1226 wcn36xx_err("failed to open WLAN_CTRL channel\n");
1227 ret = PTR_ERR(wcn->smd_channel);
1228 goto out_wq;
1229 }
1230
f303a931
BA		 1231 addr = of_get_property(pdev->dev.of_node, "local-mac-address", &ret);
1232 if (addr && ret != ETH_ALEN) {
1233 wcn36xx_err("invalid local-mac-address\n");
1234 ret = -EINVAL;
1235 goto out_wq;
1236 } else if (addr) {
8e84c258
EK		 1237 wcn36xx_info("mac address: %pM\n", addr);
1238 SET_IEEE80211_PERM_ADDR(wcn->hw, addr);
1239 }
1240
1241 ret = wcn36xx_platform_get_resources(wcn, pdev);
1242 if (ret)
1243 goto out_wq;
1244
1245 wcn36xx_init_ieee80211(wcn);
1246 ret = ieee80211_register_hw(wcn->hw);
1247 if (ret)
1248 goto out_unmap;
1249
1250 return 0;
1251
1252out_unmap:
05ddce49
BA		 1253 iounmap(wcn->ccu_base);
1254 iounmap(wcn->dxe_base);
8e84c258
EK		 1255out_wq:
1256 ieee80211_free_hw(hw);
1257out_err:
1258 return ret;
1259}
f303a931 1260
8e84c258
EK		 1261static int wcn36xx_remove(struct platform_device *pdev)
1262{
1263 struct ieee80211_hw *hw = platform_get_drvdata(pdev);
1264 struct wcn36xx *wcn = hw->priv;
1265 wcn36xx_dbg(WCN36XX_DBG_MAC, "platform remove\n");
1266
4bda7faf 1267 release_firmware(wcn->nv);
8e84c258
EK		 1268
1269 ieee80211_unregister_hw(hw);
f303a931
BA		 1270
1271 qcom_smem_state_put(wcn->tx_enable_state);
1272 qcom_smem_state_put(wcn->tx_rings_empty_state);
1273
efad8396
BA		 1274 rpmsg_destroy_ept(wcn->smd_channel);
1275
05ddce49
BA		 1276 iounmap(wcn->dxe_base);
1277 iounmap(wcn->ccu_base);
d5362888
BA		 1278
1279 mutex_destroy(&wcn->hal_mutex);
8e84c258
EK		 1280 ieee80211_free_hw(hw);
1281
1282 return 0;
1283}
f303a931
BA		 1284
1285static const struct of_device_id wcn36xx_of_match[] = {
1286 { .compatible = "qcom,wcnss-wlan" },
8e84c258
EK		 1287 {}
1288};
f303a931 1289MODULE_DEVICE_TABLE(of, wcn36xx_of_match);
8e84c258
EK		 1290
1291static struct platform_driver wcn36xx_driver = {
1292 .probe = wcn36xx_probe,
1293 .remove = wcn36xx_remove,
1294 .driver = {
1295 .name = "wcn36xx",
f303a931 1296 .of_match_table = wcn36xx_of_match,
8e84c258 1297 },
8e84c258
EK		 1298};
1299
f303a931 1300module_platform_driver(wcn36xx_driver);
8e84c258
EK		 1301
1302MODULE_LICENSE("Dual BSD/GPL");
1303MODULE_AUTHOR("Eugene Krasnikov k.eugene.e@gmail.com");
1304MODULE_FIRMWARE(WLAN_NV_FILE);
Ubuntu Artful kernel mirror