Commit | Line | Data |
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bdcd8170 KV |
1 | /* |
2 | * Copyright (c) 2004-2011 Atheros Communications Inc. | |
1b2df407 | 3 | * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. |
bdcd8170 KV |
4 | * |
5 | * Permission to use, copy, modify, and/or distribute this software for any | |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
16 | */ | |
17 | ||
516304b0 JP |
18 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
19 | ||
6eb07caf | 20 | #include <linux/moduleparam.h> |
c08631c6 | 21 | #include <linux/inetdevice.h> |
d6a434d6 | 22 | #include <linux/export.h> |
174cd4b1 | 23 | #include <linux/sched/signal.h> |
6eb07caf | 24 | |
bdcd8170 KV |
25 | #include "core.h" |
26 | #include "cfg80211.h" | |
27 | #include "debug.h" | |
abcb344b | 28 | #include "hif-ops.h" |
003353b0 | 29 | #include "testmode.h" |
bdcd8170 KV |
30 | |
31 | #define RATETAB_ENT(_rate, _rateid, _flags) { \ | |
32 | .bitrate = (_rate), \ | |
33 | .flags = (_flags), \ | |
34 | .hw_value = (_rateid), \ | |
35 | } | |
36 | ||
37 | #define CHAN2G(_channel, _freq, _flags) { \ | |
57fbcce3 | 38 | .band = NL80211_BAND_2GHZ, \ |
bdcd8170 KV |
39 | .hw_value = (_channel), \ |
40 | .center_freq = (_freq), \ | |
41 | .flags = (_flags), \ | |
42 | .max_antenna_gain = 0, \ | |
43 | .max_power = 30, \ | |
44 | } | |
45 | ||
46 | #define CHAN5G(_channel, _flags) { \ | |
57fbcce3 | 47 | .band = NL80211_BAND_5GHZ, \ |
bdcd8170 KV |
48 | .hw_value = (_channel), \ |
49 | .center_freq = 5000 + (5 * (_channel)), \ | |
50 | .flags = (_flags), \ | |
51 | .max_antenna_gain = 0, \ | |
52 | .max_power = 30, \ | |
53 | } | |
54 | ||
f599359c BS |
55 | #define DEFAULT_BG_SCAN_PERIOD 60 |
56 | ||
dd45b759 NS |
57 | struct ath6kl_cfg80211_match_probe_ssid { |
58 | struct cfg80211_ssid ssid; | |
59 | u8 flag; | |
60 | }; | |
61 | ||
bdcd8170 KV |
62 | static struct ieee80211_rate ath6kl_rates[] = { |
63 | RATETAB_ENT(10, 0x1, 0), | |
64 | RATETAB_ENT(20, 0x2, 0), | |
65 | RATETAB_ENT(55, 0x4, 0), | |
66 | RATETAB_ENT(110, 0x8, 0), | |
67 | RATETAB_ENT(60, 0x10, 0), | |
68 | RATETAB_ENT(90, 0x20, 0), | |
69 | RATETAB_ENT(120, 0x40, 0), | |
70 | RATETAB_ENT(180, 0x80, 0), | |
71 | RATETAB_ENT(240, 0x100, 0), | |
72 | RATETAB_ENT(360, 0x200, 0), | |
73 | RATETAB_ENT(480, 0x400, 0), | |
74 | RATETAB_ENT(540, 0x800, 0), | |
75 | }; | |
76 | ||
77 | #define ath6kl_a_rates (ath6kl_rates + 4) | |
78 | #define ath6kl_a_rates_size 8 | |
79 | #define ath6kl_g_rates (ath6kl_rates + 0) | |
80 | #define ath6kl_g_rates_size 12 | |
81 | ||
bed56e31 VT |
82 | #define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20 |
83 | #define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \ | |
faaf1929 VT |
84 | IEEE80211_HT_CAP_SGI_20 | \ |
85 | IEEE80211_HT_CAP_SGI_40) | |
86 | ||
bdcd8170 KV |
87 | static struct ieee80211_channel ath6kl_2ghz_channels[] = { |
88 | CHAN2G(1, 2412, 0), | |
89 | CHAN2G(2, 2417, 0), | |
90 | CHAN2G(3, 2422, 0), | |
91 | CHAN2G(4, 2427, 0), | |
92 | CHAN2G(5, 2432, 0), | |
93 | CHAN2G(6, 2437, 0), | |
94 | CHAN2G(7, 2442, 0), | |
95 | CHAN2G(8, 2447, 0), | |
96 | CHAN2G(9, 2452, 0), | |
97 | CHAN2G(10, 2457, 0), | |
98 | CHAN2G(11, 2462, 0), | |
99 | CHAN2G(12, 2467, 0), | |
100 | CHAN2G(13, 2472, 0), | |
101 | CHAN2G(14, 2484, 0), | |
102 | }; | |
103 | ||
104 | static struct ieee80211_channel ath6kl_5ghz_a_channels[] = { | |
b51040fc RK |
105 | CHAN5G(36, 0), CHAN5G(40, 0), |
106 | CHAN5G(44, 0), CHAN5G(48, 0), | |
bdcd8170 KV |
107 | CHAN5G(52, 0), CHAN5G(56, 0), |
108 | CHAN5G(60, 0), CHAN5G(64, 0), | |
109 | CHAN5G(100, 0), CHAN5G(104, 0), | |
110 | CHAN5G(108, 0), CHAN5G(112, 0), | |
111 | CHAN5G(116, 0), CHAN5G(120, 0), | |
112 | CHAN5G(124, 0), CHAN5G(128, 0), | |
113 | CHAN5G(132, 0), CHAN5G(136, 0), | |
114 | CHAN5G(140, 0), CHAN5G(149, 0), | |
115 | CHAN5G(153, 0), CHAN5G(157, 0), | |
116 | CHAN5G(161, 0), CHAN5G(165, 0), | |
117 | CHAN5G(184, 0), CHAN5G(188, 0), | |
118 | CHAN5G(192, 0), CHAN5G(196, 0), | |
119 | CHAN5G(200, 0), CHAN5G(204, 0), | |
120 | CHAN5G(208, 0), CHAN5G(212, 0), | |
121 | CHAN5G(216, 0), | |
122 | }; | |
123 | ||
124 | static struct ieee80211_supported_band ath6kl_band_2ghz = { | |
125 | .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels), | |
126 | .channels = ath6kl_2ghz_channels, | |
127 | .n_bitrates = ath6kl_g_rates_size, | |
128 | .bitrates = ath6kl_g_rates, | |
faaf1929 VT |
129 | .ht_cap.cap = ath6kl_g_htcap, |
130 | .ht_cap.ht_supported = true, | |
bdcd8170 KV |
131 | }; |
132 | ||
133 | static struct ieee80211_supported_band ath6kl_band_5ghz = { | |
134 | .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels), | |
135 | .channels = ath6kl_5ghz_a_channels, | |
136 | .n_bitrates = ath6kl_a_rates_size, | |
137 | .bitrates = ath6kl_a_rates, | |
bed56e31 | 138 | .ht_cap.cap = ath6kl_a_htcap, |
faaf1929 | 139 | .ht_cap.ht_supported = true, |
bdcd8170 KV |
140 | }; |
141 | ||
837cb97e JM |
142 | #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */ |
143 | ||
10509f90 KV |
144 | /* returns true if scheduled scan was stopped */ |
145 | static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif) | |
146 | { | |
147 | struct ath6kl *ar = vif->ar; | |
148 | ||
b1f47e3a | 149 | if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags)) |
10509f90 KV |
150 | return false; |
151 | ||
152 | del_timer_sync(&vif->sched_scan_timer); | |
153 | ||
58109df6 VT |
154 | if (ar->state == ATH6KL_STATE_RECOVERY) |
155 | return true; | |
10509f90 | 156 | |
b1f47e3a | 157 | ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false); |
10509f90 KV |
158 | |
159 | return true; | |
160 | } | |
161 | ||
162 | static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif) | |
163 | { | |
164 | struct ath6kl *ar = vif->ar; | |
165 | bool stopped; | |
166 | ||
167 | stopped = __ath6kl_cfg80211_sscan_stop(vif); | |
168 | ||
169 | if (!stopped) | |
170 | return; | |
171 | ||
b34939b9 | 172 | cfg80211_sched_scan_stopped(ar->wiphy, 0); |
10509f90 KV |
173 | } |
174 | ||
240d2799 | 175 | static int ath6kl_set_wpa_version(struct ath6kl_vif *vif, |
bdcd8170 KV |
176 | enum nl80211_wpa_versions wpa_version) |
177 | { | |
178 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version); | |
179 | ||
180 | if (!wpa_version) { | |
3450334f | 181 | vif->auth_mode = NONE_AUTH; |
bdcd8170 | 182 | } else if (wpa_version & NL80211_WPA_VERSION_2) { |
3450334f | 183 | vif->auth_mode = WPA2_AUTH; |
bdcd8170 | 184 | } else if (wpa_version & NL80211_WPA_VERSION_1) { |
3450334f | 185 | vif->auth_mode = WPA_AUTH; |
bdcd8170 KV |
186 | } else { |
187 | ath6kl_err("%s: %u not supported\n", __func__, wpa_version); | |
188 | return -ENOTSUPP; | |
189 | } | |
190 | ||
191 | return 0; | |
192 | } | |
193 | ||
240d2799 | 194 | static int ath6kl_set_auth_type(struct ath6kl_vif *vif, |
bdcd8170 KV |
195 | enum nl80211_auth_type auth_type) |
196 | { | |
bdcd8170 KV |
197 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type); |
198 | ||
199 | switch (auth_type) { | |
200 | case NL80211_AUTHTYPE_OPEN_SYSTEM: | |
3450334f | 201 | vif->dot11_auth_mode = OPEN_AUTH; |
bdcd8170 KV |
202 | break; |
203 | case NL80211_AUTHTYPE_SHARED_KEY: | |
3450334f | 204 | vif->dot11_auth_mode = SHARED_AUTH; |
bdcd8170 KV |
205 | break; |
206 | case NL80211_AUTHTYPE_NETWORK_EAP: | |
3450334f | 207 | vif->dot11_auth_mode = LEAP_AUTH; |
bdcd8170 KV |
208 | break; |
209 | ||
210 | case NL80211_AUTHTYPE_AUTOMATIC: | |
3450334f | 211 | vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH; |
bdcd8170 KV |
212 | break; |
213 | ||
214 | default: | |
3c325fbd | 215 | ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type); |
bdcd8170 KV |
216 | return -ENOTSUPP; |
217 | } | |
218 | ||
219 | return 0; | |
220 | } | |
221 | ||
240d2799 | 222 | static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast) |
bdcd8170 | 223 | { |
3450334f VT |
224 | u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto; |
225 | u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len : | |
226 | &vif->grp_crypto_len; | |
bdcd8170 KV |
227 | |
228 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n", | |
229 | __func__, cipher, ucast); | |
230 | ||
231 | switch (cipher) { | |
232 | case 0: | |
233 | /* our own hack to use value 0 as no crypto used */ | |
234 | *ar_cipher = NONE_CRYPT; | |
235 | *ar_cipher_len = 0; | |
236 | break; | |
237 | case WLAN_CIPHER_SUITE_WEP40: | |
238 | *ar_cipher = WEP_CRYPT; | |
239 | *ar_cipher_len = 5; | |
240 | break; | |
241 | case WLAN_CIPHER_SUITE_WEP104: | |
242 | *ar_cipher = WEP_CRYPT; | |
243 | *ar_cipher_len = 13; | |
244 | break; | |
245 | case WLAN_CIPHER_SUITE_TKIP: | |
246 | *ar_cipher = TKIP_CRYPT; | |
247 | *ar_cipher_len = 0; | |
248 | break; | |
249 | case WLAN_CIPHER_SUITE_CCMP: | |
250 | *ar_cipher = AES_CRYPT; | |
251 | *ar_cipher_len = 0; | |
252 | break; | |
5e07021e DS |
253 | case WLAN_CIPHER_SUITE_SMS4: |
254 | *ar_cipher = WAPI_CRYPT; | |
255 | *ar_cipher_len = 0; | |
256 | break; | |
bdcd8170 KV |
257 | default: |
258 | ath6kl_err("cipher 0x%x not supported\n", cipher); | |
259 | return -ENOTSUPP; | |
260 | } | |
261 | ||
262 | return 0; | |
263 | } | |
264 | ||
240d2799 | 265 | static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt) |
bdcd8170 KV |
266 | { |
267 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt); | |
268 | ||
269 | if (key_mgmt == WLAN_AKM_SUITE_PSK) { | |
3450334f VT |
270 | if (vif->auth_mode == WPA_AUTH) |
271 | vif->auth_mode = WPA_PSK_AUTH; | |
272 | else if (vif->auth_mode == WPA2_AUTH) | |
273 | vif->auth_mode = WPA2_PSK_AUTH; | |
837cb97e | 274 | } else if (key_mgmt == 0x00409600) { |
3450334f VT |
275 | if (vif->auth_mode == WPA_AUTH) |
276 | vif->auth_mode = WPA_AUTH_CCKM; | |
277 | else if (vif->auth_mode == WPA2_AUTH) | |
278 | vif->auth_mode = WPA2_AUTH_CCKM; | |
bdcd8170 | 279 | } else if (key_mgmt != WLAN_AKM_SUITE_8021X) { |
3450334f | 280 | vif->auth_mode = NONE_AUTH; |
bdcd8170 KV |
281 | } |
282 | } | |
283 | ||
990bd915 | 284 | static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif) |
bdcd8170 | 285 | { |
990bd915 | 286 | struct ath6kl *ar = vif->ar; |
59c98449 | 287 | |
bdcd8170 KV |
288 | if (!test_bit(WMI_READY, &ar->flag)) { |
289 | ath6kl_err("wmi is not ready\n"); | |
290 | return false; | |
291 | } | |
292 | ||
59c98449 | 293 | if (!test_bit(WLAN_ENABLED, &vif->flags)) { |
192a986d | 294 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "wlan disabled\n"); |
bdcd8170 KV |
295 | return false; |
296 | } | |
297 | ||
298 | return true; | |
299 | } | |
300 | ||
6981ffdc KF |
301 | static bool ath6kl_is_wpa_ie(const u8 *pos) |
302 | { | |
04b2312a | 303 | return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && |
6981ffdc KF |
304 | pos[2] == 0x00 && pos[3] == 0x50 && |
305 | pos[4] == 0xf2 && pos[5] == 0x01; | |
306 | } | |
307 | ||
308 | static bool ath6kl_is_rsn_ie(const u8 *pos) | |
309 | { | |
310 | return pos[0] == WLAN_EID_RSN; | |
311 | } | |
312 | ||
63541212 AT |
313 | static bool ath6kl_is_wps_ie(const u8 *pos) |
314 | { | |
315 | return (pos[0] == WLAN_EID_VENDOR_SPECIFIC && | |
316 | pos[1] >= 4 && | |
317 | pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 && | |
318 | pos[5] == 0x04); | |
319 | } | |
320 | ||
334234b5 VT |
321 | static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies, |
322 | size_t ies_len) | |
6981ffdc | 323 | { |
334234b5 | 324 | struct ath6kl *ar = vif->ar; |
6981ffdc KF |
325 | const u8 *pos; |
326 | u8 *buf = NULL; | |
327 | size_t len = 0; | |
328 | int ret; | |
329 | ||
63541212 AT |
330 | /* |
331 | * Clear previously set flag | |
332 | */ | |
333 | ||
334 | ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; | |
335 | ||
6981ffdc KF |
336 | /* |
337 | * Filter out RSN/WPA IE(s) | |
338 | */ | |
339 | ||
340 | if (ies && ies_len) { | |
341 | buf = kmalloc(ies_len, GFP_KERNEL); | |
342 | if (buf == NULL) | |
343 | return -ENOMEM; | |
344 | pos = ies; | |
345 | ||
346 | while (pos + 1 < ies + ies_len) { | |
347 | if (pos + 2 + pos[1] > ies + ies_len) | |
348 | break; | |
349 | if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) { | |
350 | memcpy(buf + len, pos, 2 + pos[1]); | |
351 | len += 2 + pos[1]; | |
352 | } | |
63541212 AT |
353 | |
354 | if (ath6kl_is_wps_ie(pos)) | |
355 | ar->connect_ctrl_flags |= CONNECT_WPS_FLAG; | |
356 | ||
6981ffdc KF |
357 | pos += 2 + pos[1]; |
358 | } | |
359 | } | |
360 | ||
334234b5 VT |
361 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
362 | WMI_FRAME_ASSOC_REQ, buf, len); | |
6981ffdc KF |
363 | kfree(buf); |
364 | return ret; | |
365 | } | |
366 | ||
55055976 VT |
367 | static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type) |
368 | { | |
369 | switch (type) { | |
370 | case NL80211_IFTYPE_STATION: | |
38142644 | 371 | case NL80211_IFTYPE_P2P_CLIENT: |
55055976 VT |
372 | *nw_type = INFRA_NETWORK; |
373 | break; | |
374 | case NL80211_IFTYPE_ADHOC: | |
375 | *nw_type = ADHOC_NETWORK; | |
376 | break; | |
377 | case NL80211_IFTYPE_AP: | |
55055976 VT |
378 | case NL80211_IFTYPE_P2P_GO: |
379 | *nw_type = AP_NETWORK; | |
380 | break; | |
381 | default: | |
382 | ath6kl_err("invalid interface type %u\n", type); | |
383 | return -ENOTSUPP; | |
384 | } | |
385 | ||
386 | return 0; | |
387 | } | |
388 | ||
389 | static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type, | |
390 | u8 *if_idx, u8 *nw_type) | |
391 | { | |
392 | int i; | |
393 | ||
394 | if (ath6kl_nliftype_to_drv_iftype(type, nw_type)) | |
395 | return false; | |
396 | ||
397 | if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) && | |
96f1fadc | 398 | ar->num_vif)) |
55055976 VT |
399 | return false; |
400 | ||
401 | if (type == NL80211_IFTYPE_STATION || | |
402 | type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) { | |
71f96ee6 | 403 | for (i = 0; i < ar->vif_max; i++) { |
0db96de6 | 404 | if ((ar->avail_idx_map) & BIT(i)) { |
55055976 VT |
405 | *if_idx = i; |
406 | return true; | |
407 | } | |
408 | } | |
409 | } | |
410 | ||
3226f68a VT |
411 | if (type == NL80211_IFTYPE_P2P_CLIENT || |
412 | type == NL80211_IFTYPE_P2P_GO) { | |
71f96ee6 | 413 | for (i = ar->max_norm_iface; i < ar->vif_max; i++) { |
0db96de6 | 414 | if ((ar->avail_idx_map) & BIT(i)) { |
3226f68a VT |
415 | *if_idx = i; |
416 | return true; | |
417 | } | |
418 | } | |
419 | } | |
420 | ||
55055976 VT |
421 | return false; |
422 | } | |
423 | ||
8c9bb054 KV |
424 | static bool ath6kl_is_tx_pending(struct ath6kl *ar) |
425 | { | |
426 | return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0; | |
427 | } | |
428 | ||
355b3a98 MSS |
429 | static void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, |
430 | bool enable) | |
431 | { | |
432 | int err; | |
433 | ||
434 | if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag))) | |
435 | return; | |
436 | ||
437 | if (vif->nw_type != INFRA_NETWORK) | |
438 | return; | |
439 | ||
440 | if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, | |
441 | vif->ar->fw_capabilities)) | |
442 | return; | |
443 | ||
444 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n", | |
445 | enable ? "enable" : "disable"); | |
446 | ||
447 | err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi, | |
448 | vif->fw_vif_idx, enable); | |
449 | if (err) | |
450 | ath6kl_err("failed to %s enhanced bmiss detection: %d\n", | |
451 | enable ? "enable" : "disable", err); | |
452 | } | |
8c9bb054 | 453 | |
bdcd8170 KV |
454 | static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, |
455 | struct cfg80211_connect_params *sme) | |
456 | { | |
457 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 458 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 | 459 | int status; |
3ca9d1fc | 460 | u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE; |
ce0dc0cf | 461 | u16 interval; |
bdcd8170 | 462 | |
10509f90 KV |
463 | ath6kl_cfg80211_sscan_disable(vif); |
464 | ||
14ee6f6b | 465 | vif->sme_state = SME_CONNECTING; |
bdcd8170 | 466 | |
990bd915 | 467 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
468 | return -EIO; |
469 | ||
470 | if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { | |
471 | ath6kl_err("destroy in progress\n"); | |
472 | return -EBUSY; | |
473 | } | |
474 | ||
475 | if (test_bit(SKIP_SCAN, &ar->flag) && | |
476 | ((sme->channel && sme->channel->center_freq == 0) || | |
477 | (sme->bssid && is_zero_ether_addr(sme->bssid)))) { | |
478 | ath6kl_err("SkipScan: channel or bssid invalid\n"); | |
479 | return -EINVAL; | |
480 | } | |
481 | ||
482 | if (down_interruptible(&ar->sem)) { | |
483 | ath6kl_err("busy, couldn't get access\n"); | |
484 | return -ERESTARTSYS; | |
485 | } | |
486 | ||
487 | if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { | |
488 | ath6kl_err("busy, destroy in progress\n"); | |
489 | up(&ar->sem); | |
490 | return -EBUSY; | |
491 | } | |
492 | ||
493 | if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) { | |
494 | /* | |
495 | * sleep until the command queue drains | |
496 | */ | |
497 | wait_event_interruptible_timeout(ar->event_wq, | |
8c9bb054 KV |
498 | ath6kl_is_tx_pending(ar), |
499 | WMI_TIMEOUT); | |
bdcd8170 KV |
500 | if (signal_pending(current)) { |
501 | ath6kl_err("cmd queue drain timeout\n"); | |
502 | up(&ar->sem); | |
503 | return -EINTR; | |
504 | } | |
505 | } | |
506 | ||
6e786cb1 JM |
507 | status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len); |
508 | if (status) { | |
509 | up(&ar->sem); | |
510 | return status; | |
511 | } | |
512 | ||
513 | if (sme->ie == NULL || sme->ie_len == 0) | |
542c519a | 514 | ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; |
6981ffdc | 515 | |
59c98449 | 516 | if (test_bit(CONNECTED, &vif->flags) && |
3450334f VT |
517 | vif->ssid_len == sme->ssid_len && |
518 | !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { | |
cf5333d7 | 519 | vif->reconnect_flag = true; |
334234b5 VT |
520 | status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx, |
521 | vif->req_bssid, | |
f74bac54 | 522 | vif->ch_hint); |
bdcd8170 KV |
523 | |
524 | up(&ar->sem); | |
525 | if (status) { | |
526 | ath6kl_err("wmi_reconnect_cmd failed\n"); | |
527 | return -EIO; | |
528 | } | |
529 | return 0; | |
3450334f VT |
530 | } else if (vif->ssid_len == sme->ssid_len && |
531 | !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { | |
240d2799 | 532 | ath6kl_disconnect(vif); |
bdcd8170 KV |
533 | } |
534 | ||
3450334f VT |
535 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
536 | vif->ssid_len = sme->ssid_len; | |
537 | memcpy(vif->ssid, sme->ssid, sme->ssid_len); | |
bdcd8170 KV |
538 | |
539 | if (sme->channel) | |
f74bac54 | 540 | vif->ch_hint = sme->channel->center_freq; |
bdcd8170 | 541 | |
8c8b65e3 | 542 | memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
bdcd8170 | 543 | if (sme->bssid && !is_broadcast_ether_addr(sme->bssid)) |
8c8b65e3 | 544 | memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid)); |
bdcd8170 | 545 | |
240d2799 | 546 | ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions); |
bdcd8170 | 547 | |
240d2799 | 548 | status = ath6kl_set_auth_type(vif, sme->auth_type); |
bdcd8170 KV |
549 | if (status) { |
550 | up(&ar->sem); | |
551 | return status; | |
552 | } | |
553 | ||
554 | if (sme->crypto.n_ciphers_pairwise) | |
240d2799 | 555 | ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true); |
bdcd8170 | 556 | else |
240d2799 | 557 | ath6kl_set_cipher(vif, 0, true); |
bdcd8170 | 558 | |
240d2799 | 559 | ath6kl_set_cipher(vif, sme->crypto.cipher_group, false); |
bdcd8170 KV |
560 | |
561 | if (sme->crypto.n_akm_suites) | |
240d2799 | 562 | ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]); |
bdcd8170 KV |
563 | |
564 | if ((sme->key_len) && | |
3450334f VT |
565 | (vif->auth_mode == NONE_AUTH) && |
566 | (vif->prwise_crypto == WEP_CRYPT)) { | |
bdcd8170 KV |
567 | struct ath6kl_key *key = NULL; |
568 | ||
792ecb33 | 569 | if (sme->key_idx > WMI_MAX_KEY_INDEX) { |
bdcd8170 KV |
570 | ath6kl_err("key index %d out of bounds\n", |
571 | sme->key_idx); | |
572 | up(&ar->sem); | |
573 | return -ENOENT; | |
574 | } | |
575 | ||
6f2a73f9 | 576 | key = &vif->keys[sme->key_idx]; |
bdcd8170 KV |
577 | key->key_len = sme->key_len; |
578 | memcpy(key->key, sme->key, key->key_len); | |
3450334f VT |
579 | key->cipher = vif->prwise_crypto; |
580 | vif->def_txkey_index = sme->key_idx; | |
bdcd8170 | 581 | |
334234b5 | 582 | ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx, |
3450334f | 583 | vif->prwise_crypto, |
bdcd8170 KV |
584 | GROUP_USAGE | TX_USAGE, |
585 | key->key_len, | |
f4bb9a6f | 586 | NULL, 0, |
bdcd8170 KV |
587 | key->key, KEY_OP_INIT_VAL, NULL, |
588 | NO_SYNC_WMIFLAG); | |
589 | } | |
590 | ||
591 | if (!ar->usr_bss_filter) { | |
59c98449 | 592 | clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); |
240d2799 | 593 | if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, |
96f1fadc | 594 | ALL_BSS_FILTER, 0) != 0) { |
bdcd8170 KV |
595 | ath6kl_err("couldn't set bss filtering\n"); |
596 | up(&ar->sem); | |
597 | return -EIO; | |
598 | } | |
599 | } | |
600 | ||
f5938f24 | 601 | vif->nw_type = vif->next_mode; |
bdcd8170 | 602 | |
c422d52d TP |
603 | /* enable enhanced bmiss detection if applicable */ |
604 | ath6kl_cfg80211_sta_bmiss_enhance(vif, true); | |
605 | ||
3ca9d1fc AT |
606 | if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) |
607 | nw_subtype = SUBTYPE_P2PCLIENT; | |
608 | ||
bdcd8170 KV |
609 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
610 | "%s: connect called with authmode %d dot11 auth %d" | |
611 | " PW crypto %d PW crypto len %d GRP crypto %d" | |
612 | " GRP crypto len %d channel hint %u\n", | |
613 | __func__, | |
3450334f VT |
614 | vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, |
615 | vif->prwise_crypto_len, vif->grp_crypto, | |
f74bac54 | 616 | vif->grp_crypto_len, vif->ch_hint); |
bdcd8170 | 617 | |
cf5333d7 | 618 | vif->reconnect_flag = 0; |
ce0dc0cf RM |
619 | |
620 | if (vif->nw_type == INFRA_NETWORK) { | |
b5283871 KV |
621 | interval = max_t(u16, vif->listen_intvl_t, |
622 | ATH6KL_MAX_WOW_LISTEN_INTL); | |
ce0dc0cf RM |
623 | status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, |
624 | interval, | |
625 | 0); | |
626 | if (status) { | |
627 | ath6kl_err("couldn't set listen intervel\n"); | |
628 | up(&ar->sem); | |
629 | return status; | |
630 | } | |
631 | } | |
632 | ||
334234b5 | 633 | status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, |
3450334f VT |
634 | vif->dot11_auth_mode, vif->auth_mode, |
635 | vif->prwise_crypto, | |
636 | vif->prwise_crypto_len, | |
637 | vif->grp_crypto, vif->grp_crypto_len, | |
638 | vif->ssid_len, vif->ssid, | |
f74bac54 | 639 | vif->req_bssid, vif->ch_hint, |
3ca9d1fc | 640 | ar->connect_ctrl_flags, nw_subtype); |
bdcd8170 | 641 | |
6f7c1adb MSS |
642 | if (sme->bg_scan_period == 0) { |
643 | /* disable background scan if period is 0 */ | |
f599359c | 644 | sme->bg_scan_period = 0xffff; |
6f7c1adb MSS |
645 | } else if (sme->bg_scan_period == -1) { |
646 | /* configure default value if not specified */ | |
f599359c | 647 | sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD; |
6f7c1adb | 648 | } |
f599359c BS |
649 | |
650 | ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0, | |
651 | sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); | |
652 | ||
bdcd8170 KV |
653 | up(&ar->sem); |
654 | ||
655 | if (status == -EINVAL) { | |
3450334f VT |
656 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
657 | vif->ssid_len = 0; | |
bdcd8170 KV |
658 | ath6kl_err("invalid request\n"); |
659 | return -ENOENT; | |
660 | } else if (status) { | |
661 | ath6kl_err("ath6kl_wmi_connect_cmd failed\n"); | |
662 | return -EIO; | |
663 | } | |
664 | ||
665 | if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) && | |
ddc3d77c KV |
666 | ((vif->auth_mode == WPA_PSK_AUTH) || |
667 | (vif->auth_mode == WPA2_PSK_AUTH))) { | |
de3ad713 | 668 | mod_timer(&vif->disconnect_timer, |
bdcd8170 KV |
669 | jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL)); |
670 | } | |
671 | ||
672 | ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD; | |
59c98449 | 673 | set_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 KV |
674 | |
675 | return 0; | |
676 | } | |
677 | ||
5e13fd35 VT |
678 | static struct cfg80211_bss * |
679 | ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, | |
680 | enum network_type nw_type, | |
681 | const u8 *bssid, | |
682 | struct ieee80211_channel *chan, | |
683 | const u8 *beacon_ie, | |
684 | size_t beacon_ie_len) | |
01cac476 | 685 | { |
240d2799 | 686 | struct ath6kl *ar = vif->ar; |
01cac476 | 687 | struct cfg80211_bss *bss; |
6eb18137 DL |
688 | u16 cap_val; |
689 | enum ieee80211_bss_type bss_type; | |
01cac476 JM |
690 | u8 *ie; |
691 | ||
4eab6f4f | 692 | if (nw_type & ADHOC_NETWORK) { |
4eab6f4f | 693 | cap_val = WLAN_CAPABILITY_IBSS; |
6eb18137 | 694 | bss_type = IEEE80211_BSS_TYPE_IBSS; |
4eab6f4f | 695 | } else { |
4eab6f4f | 696 | cap_val = WLAN_CAPABILITY_ESS; |
6eb18137 | 697 | bss_type = IEEE80211_BSS_TYPE_ESS; |
4eab6f4f RM |
698 | } |
699 | ||
be98e3a4 | 700 | bss = cfg80211_get_bss(ar->wiphy, chan, bssid, |
4eab6f4f | 701 | vif->ssid, vif->ssid_len, |
6eb18137 | 702 | bss_type, IEEE80211_PRIVACY_ANY); |
01cac476 JM |
703 | if (bss == NULL) { |
704 | /* | |
705 | * Since cfg80211 may not yet know about the BSS, | |
706 | * generate a partial entry until the first BSS info | |
707 | * event becomes available. | |
708 | * | |
709 | * Prepend SSID element since it is not included in the Beacon | |
710 | * IEs from the target. | |
711 | */ | |
3450334f | 712 | ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL); |
01cac476 | 713 | if (ie == NULL) |
5e13fd35 | 714 | return NULL; |
01cac476 | 715 | ie[0] = WLAN_EID_SSID; |
3450334f VT |
716 | ie[1] = vif->ssid_len; |
717 | memcpy(ie + 2, vif->ssid, vif->ssid_len); | |
718 | memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len); | |
be98e3a4 | 719 | bss = cfg80211_inform_bss(ar->wiphy, chan, |
5bc8c1f2 | 720 | CFG80211_BSS_FTYPE_UNKNOWN, |
4eab6f4f | 721 | bssid, 0, cap_val, 100, |
3450334f | 722 | ie, 2 + vif->ssid_len + beacon_ie_len, |
01cac476 JM |
723 | 0, GFP_KERNEL); |
724 | if (bss) | |
cdeb8602 KV |
725 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
726 | "added bss %pM to cfg80211\n", bssid); | |
01cac476 | 727 | kfree(ie); |
a5d8f9df | 728 | } else { |
5e13fd35 | 729 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n"); |
a5d8f9df | 730 | } |
01cac476 | 731 | |
5e13fd35 | 732 | return bss; |
01cac476 JM |
733 | } |
734 | ||
240d2799 | 735 | void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, |
bdcd8170 KV |
736 | u8 *bssid, u16 listen_intvl, |
737 | u16 beacon_intvl, | |
738 | enum network_type nw_type, | |
739 | u8 beacon_ie_len, u8 assoc_req_len, | |
740 | u8 assoc_resp_len, u8 *assoc_info) | |
741 | { | |
01cac476 | 742 | struct ieee80211_channel *chan; |
240d2799 | 743 | struct ath6kl *ar = vif->ar; |
5e13fd35 | 744 | struct cfg80211_bss *bss; |
bdcd8170 KV |
745 | |
746 | /* capinfo + listen interval */ | |
747 | u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16); | |
748 | ||
749 | /* capinfo + status code + associd */ | |
750 | u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16); | |
751 | ||
752 | u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset; | |
753 | u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len + | |
754 | assoc_resp_ie_offset; | |
755 | ||
756 | assoc_req_len -= assoc_req_ie_offset; | |
757 | assoc_resp_len -= assoc_resp_ie_offset; | |
758 | ||
32c10874 JM |
759 | /* |
760 | * Store Beacon interval here; DTIM period will be available only once | |
761 | * a Beacon frame from the AP is seen. | |
762 | */ | |
cf5333d7 | 763 | vif->assoc_bss_beacon_int = beacon_intvl; |
59c98449 | 764 | clear_bit(DTIM_PERIOD_AVAIL, &vif->flags); |
32c10874 | 765 | |
bdcd8170 | 766 | if (nw_type & ADHOC_NETWORK) { |
551959d8 | 767 | if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { |
bdcd8170 KV |
768 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
769 | "%s: ath6k not in ibss mode\n", __func__); | |
770 | return; | |
771 | } | |
772 | } | |
773 | ||
774 | if (nw_type & INFRA_NETWORK) { | |
551959d8 VT |
775 | if (vif->wdev.iftype != NL80211_IFTYPE_STATION && |
776 | vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { | |
bdcd8170 KV |
777 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
778 | "%s: ath6k not in station mode\n", __func__); | |
779 | return; | |
780 | } | |
781 | } | |
782 | ||
be98e3a4 | 783 | chan = ieee80211_get_channel(ar->wiphy, (int) channel); |
bdcd8170 | 784 | |
5e13fd35 VT |
785 | bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, |
786 | assoc_info, beacon_ie_len); | |
787 | if (!bss) { | |
4eab6f4f | 788 | ath6kl_err("could not add cfg80211 bss entry\n"); |
bdcd8170 KV |
789 | return; |
790 | } | |
791 | ||
4eab6f4f RM |
792 | if (nw_type & ADHOC_NETWORK) { |
793 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", | |
794 | nw_type & ADHOC_CREATOR ? "creator" : "joiner"); | |
fe94f3a4 | 795 | cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL); |
5b112d3d | 796 | cfg80211_put_bss(ar->wiphy, bss); |
bdcd8170 KV |
797 | return; |
798 | } | |
799 | ||
14ee6f6b | 800 | if (vif->sme_state == SME_CONNECTING) { |
bdcd8170 | 801 | /* inform connect result to cfg80211 */ |
14ee6f6b | 802 | vif->sme_state = SME_CONNECTED; |
240d2799 | 803 | cfg80211_connect_result(vif->ndev, bssid, |
bdcd8170 KV |
804 | assoc_req_ie, assoc_req_len, |
805 | assoc_resp_ie, assoc_resp_len, | |
806 | WLAN_STATUS_SUCCESS, GFP_KERNEL); | |
5b112d3d | 807 | cfg80211_put_bss(ar->wiphy, bss); |
14ee6f6b | 808 | } else if (vif->sme_state == SME_CONNECTED) { |
29ce6ecb | 809 | struct cfg80211_roam_info roam_info = { |
efbabc11 | 810 | .links[0].bss = bss, |
29ce6ecb AS |
811 | .req_ie = assoc_req_ie, |
812 | .req_ie_len = assoc_req_len, | |
813 | .resp_ie = assoc_resp_ie, | |
814 | .resp_ie_len = assoc_resp_len, | |
815 | }; | |
bdcd8170 | 816 | /* inform roam event to cfg80211 */ |
29ce6ecb | 817 | cfg80211_roamed(vif->ndev, &roam_info, GFP_KERNEL); |
bdcd8170 KV |
818 | } |
819 | } | |
820 | ||
821 | static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy, | |
822 | struct net_device *dev, u16 reason_code) | |
823 | { | |
d6d5c06c | 824 | struct ath6kl *ar = ath6kl_priv(dev); |
3450334f | 825 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
826 | |
827 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__, | |
828 | reason_code); | |
829 | ||
10509f90 KV |
830 | ath6kl_cfg80211_sscan_disable(vif); |
831 | ||
990bd915 | 832 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
833 | return -EIO; |
834 | ||
835 | if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { | |
836 | ath6kl_err("busy, destroy in progress\n"); | |
837 | return -EBUSY; | |
838 | } | |
839 | ||
840 | if (down_interruptible(&ar->sem)) { | |
841 | ath6kl_err("busy, couldn't get access\n"); | |
842 | return -ERESTARTSYS; | |
843 | } | |
844 | ||
cf5333d7 | 845 | vif->reconnect_flag = 0; |
240d2799 | 846 | ath6kl_disconnect(vif); |
3450334f VT |
847 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
848 | vif->ssid_len = 0; | |
bdcd8170 KV |
849 | |
850 | if (!test_bit(SKIP_SCAN, &ar->flag)) | |
8c8b65e3 | 851 | memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
bdcd8170 KV |
852 | |
853 | up(&ar->sem); | |
854 | ||
855 | return 0; | |
856 | } | |
857 | ||
240d2799 | 858 | void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, |
bdcd8170 KV |
859 | u8 *bssid, u8 assoc_resp_len, |
860 | u8 *assoc_info, u16 proto_reason) | |
861 | { | |
240d2799 | 862 | struct ath6kl *ar = vif->ar; |
59c98449 | 863 | |
14ee6f6b | 864 | if (vif->scan_req) { |
1d76250b AS |
865 | struct cfg80211_scan_info info = { |
866 | .aborted = true, | |
867 | }; | |
868 | ||
869 | cfg80211_scan_done(vif->scan_req, &info); | |
14ee6f6b | 870 | vif->scan_req = NULL; |
bdcd8170 KV |
871 | } |
872 | ||
f5938f24 | 873 | if (vif->nw_type & ADHOC_NETWORK) { |
fe94f3a4 | 874 | if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) |
bdcd8170 KV |
875 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
876 | "%s: ath6k not in ibss mode\n", __func__); | |
bdcd8170 KV |
877 | return; |
878 | } | |
879 | ||
f5938f24 | 880 | if (vif->nw_type & INFRA_NETWORK) { |
551959d8 VT |
881 | if (vif->wdev.iftype != NL80211_IFTYPE_STATION && |
882 | vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { | |
bdcd8170 KV |
883 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
884 | "%s: ath6k not in station mode\n", __func__); | |
885 | return; | |
886 | } | |
887 | } | |
888 | ||
59c98449 | 889 | clear_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 | 890 | |
14ee6f6b | 891 | if (vif->sme_state == SME_CONNECTING) { |
240d2799 | 892 | cfg80211_connect_result(vif->ndev, |
96f1fadc KV |
893 | bssid, NULL, 0, |
894 | NULL, 0, | |
895 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
896 | GFP_KERNEL); | |
14ee6f6b | 897 | } else if (vif->sme_state == SME_CONNECTED) { |
33a6664a | 898 | cfg80211_disconnected(vif->ndev, proto_reason, |
80279fb7 | 899 | NULL, 0, false, GFP_KERNEL); |
bdcd8170 KV |
900 | } |
901 | ||
14ee6f6b | 902 | vif->sme_state = SME_DISCONNECTED; |
33a6664a TP |
903 | |
904 | /* | |
905 | * Send a disconnect command to target when a disconnect event is | |
906 | * received with reason code other than 3 (DISCONNECT_CMD - disconnect | |
907 | * request from host) to make the firmware stop trying to connect even | |
908 | * after giving disconnect event. There will be one more disconnect | |
909 | * event for this disconnect command with reason code DISCONNECT_CMD | |
910 | * which won't be notified to cfg80211. | |
911 | */ | |
912 | if (reason != DISCONNECT_CMD) | |
913 | ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); | |
bdcd8170 KV |
914 | } |
915 | ||
3b8ffc6a JM |
916 | static int ath6kl_set_probed_ssids(struct ath6kl *ar, |
917 | struct ath6kl_vif *vif, | |
dd45b759 NS |
918 | struct cfg80211_ssid *ssids, int n_ssids, |
919 | struct cfg80211_match_set *match_set, | |
920 | int n_match_ssid) | |
3b8ffc6a | 921 | { |
dd45b759 NS |
922 | u8 i, j, index_to_add, ssid_found = false; |
923 | struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS]; | |
924 | ||
925 | memset(ssid_list, 0, sizeof(ssid_list)); | |
3b8ffc6a | 926 | |
dd45b759 NS |
927 | if (n_ssids > MAX_PROBED_SSIDS || |
928 | n_match_ssid > MAX_PROBED_SSIDS) | |
3b8ffc6a JM |
929 | return -EINVAL; |
930 | ||
931 | for (i = 0; i < n_ssids; i++) { | |
dd45b759 NS |
932 | memcpy(ssid_list[i].ssid.ssid, |
933 | ssids[i].ssid, | |
934 | ssids[i].ssid_len); | |
935 | ssid_list[i].ssid.ssid_len = ssids[i].ssid_len; | |
936 | ||
937 | if (ssids[i].ssid_len) | |
938 | ssid_list[i].flag = SPECIFIC_SSID_FLAG; | |
939 | else | |
940 | ssid_list[i].flag = ANY_SSID_FLAG; | |
941 | ||
fb376a49 | 942 | if (ar->wiphy->max_match_sets != 0 && n_match_ssid == 0) |
dd45b759 NS |
943 | ssid_list[i].flag |= MATCH_SSID_FLAG; |
944 | } | |
945 | ||
946 | index_to_add = i; | |
947 | ||
948 | for (i = 0; i < n_match_ssid; i++) { | |
949 | ssid_found = false; | |
950 | ||
951 | for (j = 0; j < n_ssids; j++) { | |
952 | if ((match_set[i].ssid.ssid_len == | |
953 | ssid_list[j].ssid.ssid_len) && | |
954 | (!memcmp(ssid_list[j].ssid.ssid, | |
955 | match_set[i].ssid.ssid, | |
956 | match_set[i].ssid.ssid_len))) { | |
957 | ssid_list[j].flag |= MATCH_SSID_FLAG; | |
958 | ssid_found = true; | |
959 | break; | |
960 | } | |
961 | } | |
962 | ||
963 | if (ssid_found) | |
964 | continue; | |
965 | ||
966 | if (index_to_add >= MAX_PROBED_SSIDS) | |
967 | continue; | |
968 | ||
969 | ssid_list[index_to_add].ssid.ssid_len = | |
970 | match_set[i].ssid.ssid_len; | |
971 | memcpy(ssid_list[index_to_add].ssid.ssid, | |
972 | match_set[i].ssid.ssid, | |
973 | match_set[i].ssid.ssid_len); | |
974 | ssid_list[index_to_add].flag |= MATCH_SSID_FLAG; | |
975 | index_to_add++; | |
976 | } | |
977 | ||
978 | for (i = 0; i < index_to_add; i++) { | |
3b8ffc6a | 979 | ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, |
dd45b759 NS |
980 | ssid_list[i].flag, |
981 | ssid_list[i].ssid.ssid_len, | |
982 | ssid_list[i].ssid.ssid); | |
3b8ffc6a JM |
983 | } |
984 | ||
985 | /* Make sure no old entries are left behind */ | |
dd45b759 | 986 | for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) { |
3b8ffc6a JM |
987 | ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, |
988 | DISABLE_SSID_FLAG, 0, NULL); | |
989 | } | |
990 | ||
991 | return 0; | |
992 | } | |
993 | ||
fd014284 | 994 | static int ath6kl_cfg80211_scan(struct wiphy *wiphy, |
bdcd8170 KV |
995 | struct cfg80211_scan_request *request) |
996 | { | |
fd014284 JB |
997 | struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev); |
998 | struct ath6kl *ar = ath6kl_priv(vif->ndev); | |
1276c9ef EL |
999 | s8 n_channels = 0; |
1000 | u16 *channels = NULL; | |
bdcd8170 | 1001 | int ret = 0; |
f1f92179 | 1002 | u32 force_fg_scan = 0; |
bdcd8170 | 1003 | |
990bd915 | 1004 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1005 | return -EIO; |
1006 | ||
10509f90 KV |
1007 | ath6kl_cfg80211_sscan_disable(vif); |
1008 | ||
bdcd8170 | 1009 | if (!ar->usr_bss_filter) { |
59c98449 | 1010 | clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); |
954e6ce5 VT |
1011 | ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, |
1012 | ALL_BSS_FILTER, 0); | |
1b1e6ee3 | 1013 | if (ret) { |
bdcd8170 | 1014 | ath6kl_err("couldn't set bss filtering\n"); |
1b1e6ee3 | 1015 | return ret; |
bdcd8170 KV |
1016 | } |
1017 | } | |
1018 | ||
3b8ffc6a | 1019 | ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, |
dd45b759 | 1020 | request->n_ssids, NULL, 0); |
3b8ffc6a JM |
1021 | if (ret < 0) |
1022 | return ret; | |
bdcd8170 | 1023 | |
080eec4f AT |
1024 | /* this also clears IE in fw if it's not set */ |
1025 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, | |
1026 | WMI_FRAME_PROBE_REQ, | |
1027 | request->ie, request->ie_len); | |
1028 | if (ret) { | |
f1ff32e8 | 1029 | ath6kl_err("failed to set Probe Request appie for scan\n"); |
080eec4f | 1030 | return ret; |
b84da8c7 JM |
1031 | } |
1032 | ||
11869bef JM |
1033 | /* |
1034 | * Scan only the requested channels if the request specifies a set of | |
1035 | * channels. If the list is longer than the target supports, do not | |
1036 | * configure the list and instead, scan all available channels. | |
1037 | */ | |
1038 | if (request->n_channels > 0 && | |
1039 | request->n_channels <= WMI_MAX_CHANNELS) { | |
1276c9ef EL |
1040 | u8 i; |
1041 | ||
11869bef | 1042 | n_channels = request->n_channels; |
1276c9ef | 1043 | |
6396bb22 | 1044 | channels = kcalloc(n_channels, sizeof(u16), GFP_KERNEL); |
1276c9ef | 1045 | if (channels == NULL) { |
cdeb8602 | 1046 | ath6kl_warn("failed to set scan channels, scan all channels"); |
1276c9ef EL |
1047 | n_channels = 0; |
1048 | } | |
1049 | ||
1050 | for (i = 0; i < n_channels; i++) | |
1051 | channels[i] = request->channels[i]->center_freq; | |
1052 | } | |
1053 | ||
59c98449 | 1054 | if (test_bit(CONNECTED, &vif->flags)) |
f1f92179 VT |
1055 | force_fg_scan = 1; |
1056 | ||
5b35dff0 RM |
1057 | vif->scan_req = request; |
1058 | ||
11f0bfcf KV |
1059 | ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, |
1060 | WMI_LONG_SCAN, force_fg_scan, | |
1061 | false, 0, | |
1062 | ATH6KL_FG_SCAN_INTERVAL, | |
1063 | n_channels, channels, | |
1064 | request->no_cck, | |
1065 | request->rates); | |
5b35dff0 | 1066 | if (ret) { |
11f0bfcf | 1067 | ath6kl_err("failed to start scan: %d\n", ret); |
5b35dff0 RM |
1068 | vif->scan_req = NULL; |
1069 | } | |
bdcd8170 | 1070 | |
1276c9ef EL |
1071 | kfree(channels); |
1072 | ||
bdcd8170 KV |
1073 | return ret; |
1074 | } | |
1075 | ||
1c17d313 | 1076 | void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted) |
bdcd8170 | 1077 | { |
240d2799 | 1078 | struct ath6kl *ar = vif->ar; |
1d76250b AS |
1079 | struct cfg80211_scan_info info = { |
1080 | .aborted = aborted, | |
1081 | }; | |
6fd1eace | 1082 | int i; |
bdcd8170 | 1083 | |
1c17d313 KV |
1084 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__, |
1085 | aborted ? " aborted" : ""); | |
bdcd8170 | 1086 | |
14ee6f6b | 1087 | if (!vif->scan_req) |
6fd1eace KV |
1088 | return; |
1089 | ||
1c17d313 | 1090 | if (aborted) |
6fd1eace | 1091 | goto out; |
6fd1eace | 1092 | |
14ee6f6b VT |
1093 | if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) { |
1094 | for (i = 0; i < vif->scan_req->n_ssids; i++) { | |
334234b5 | 1095 | ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, |
5803c128 | 1096 | i, DISABLE_SSID_FLAG, |
6fd1eace | 1097 | 0, NULL); |
bdcd8170 | 1098 | } |
bdcd8170 | 1099 | } |
6fd1eace KV |
1100 | |
1101 | out: | |
1d76250b | 1102 | cfg80211_scan_done(vif->scan_req, &info); |
14ee6f6b | 1103 | vif->scan_req = NULL; |
bdcd8170 KV |
1104 | } |
1105 | ||
c4f7863e TP |
1106 | void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq, |
1107 | enum wmi_phy_mode mode) | |
1108 | { | |
683b6d3b | 1109 | struct cfg80211_chan_def chandef; |
c4f7863e TP |
1110 | |
1111 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1112 | "channel switch notify nw_type %d freq %d mode %d\n", | |
1113 | vif->nw_type, freq, mode); | |
1114 | ||
3d9d1d66 JB |
1115 | cfg80211_chandef_create(&chandef, |
1116 | ieee80211_get_channel(vif->ar->wiphy, freq), | |
f3651bae PLM |
1117 | (mode == WMI_11G_HT20 && |
1118 | ath6kl_band_2ghz.ht_cap.ht_supported) ? | |
3d9d1d66 | 1119 | NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT); |
c4f7863e | 1120 | |
076fc877 | 1121 | wiphy_lock(vif->ar->wiphy); |
b82730bf | 1122 | cfg80211_ch_switch_notify(vif->ndev, &chandef, 0); |
076fc877 | 1123 | wiphy_unlock(vif->ar->wiphy); |
c4f7863e TP |
1124 | } |
1125 | ||
bdcd8170 | 1126 | static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, |
e7a7b84e | 1127 | int link_id, u8 key_index, bool pairwise, |
bdcd8170 KV |
1128 | const u8 *mac_addr, |
1129 | struct key_params *params) | |
1130 | { | |
d6d5c06c | 1131 | struct ath6kl *ar = ath6kl_priv(ndev); |
59c98449 | 1132 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 | 1133 | struct ath6kl_key *key = NULL; |
4a8ce2fd | 1134 | int seq_len; |
bdcd8170 KV |
1135 | u8 key_usage; |
1136 | u8 key_type; | |
bdcd8170 | 1137 | |
990bd915 | 1138 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1139 | return -EIO; |
1140 | ||
837cb97e JM |
1141 | if (params->cipher == CCKM_KRK_CIPHER_SUITE) { |
1142 | if (params->key_len != WMI_KRK_LEN) | |
1143 | return -EINVAL; | |
240d2799 VT |
1144 | return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, |
1145 | params->key); | |
837cb97e JM |
1146 | } |
1147 | ||
792ecb33 | 1148 | if (key_index > WMI_MAX_KEY_INDEX) { |
bdcd8170 KV |
1149 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1150 | "%s: key index %d out of bounds\n", __func__, | |
1151 | key_index); | |
1152 | return -ENOENT; | |
1153 | } | |
1154 | ||
6f2a73f9 | 1155 | key = &vif->keys[key_index]; |
bdcd8170 KV |
1156 | memset(key, 0, sizeof(struct ath6kl_key)); |
1157 | ||
1158 | if (pairwise) | |
1159 | key_usage = PAIRWISE_USAGE; | |
1160 | else | |
1161 | key_usage = GROUP_USAGE; | |
1162 | ||
4a8ce2fd SM |
1163 | seq_len = params->seq_len; |
1164 | if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && | |
1165 | seq_len > ATH6KL_KEY_SEQ_LEN) { | |
1166 | /* Only first half of the WPI PN is configured */ | |
1167 | seq_len = ATH6KL_KEY_SEQ_LEN; | |
bdcd8170 | 1168 | } |
4a8ce2fd SM |
1169 | if (params->key_len > WLAN_MAX_KEY_LEN || |
1170 | seq_len > sizeof(key->seq)) | |
1171 | return -EINVAL; | |
1172 | ||
1173 | key->key_len = params->key_len; | |
1174 | memcpy(key->key, params->key, key->key_len); | |
1175 | key->seq_len = seq_len; | |
1176 | memcpy(key->seq, params->seq, key->seq_len); | |
1177 | key->cipher = params->cipher; | |
bdcd8170 KV |
1178 | |
1179 | switch (key->cipher) { | |
1180 | case WLAN_CIPHER_SUITE_WEP40: | |
1181 | case WLAN_CIPHER_SUITE_WEP104: | |
1182 | key_type = WEP_CRYPT; | |
1183 | break; | |
1184 | ||
1185 | case WLAN_CIPHER_SUITE_TKIP: | |
1186 | key_type = TKIP_CRYPT; | |
1187 | break; | |
1188 | ||
1189 | case WLAN_CIPHER_SUITE_CCMP: | |
1190 | key_type = AES_CRYPT; | |
1191 | break; | |
5e07021e DS |
1192 | case WLAN_CIPHER_SUITE_SMS4: |
1193 | key_type = WAPI_CRYPT; | |
1194 | break; | |
bdcd8170 KV |
1195 | |
1196 | default: | |
1197 | return -ENOTSUPP; | |
1198 | } | |
1199 | ||
ddc3d77c KV |
1200 | if (((vif->auth_mode == WPA_PSK_AUTH) || |
1201 | (vif->auth_mode == WPA2_PSK_AUTH)) && | |
1202 | (key_usage & GROUP_USAGE)) | |
de3ad713 | 1203 | del_timer(&vif->disconnect_timer); |
bdcd8170 KV |
1204 | |
1205 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1206 | "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", | |
1207 | __func__, key_index, key->key_len, key_type, | |
1208 | key_usage, key->seq_len); | |
1209 | ||
f5938f24 | 1210 | if (vif->nw_type == AP_NETWORK && !pairwise && |
4703290a | 1211 | (key_type == TKIP_CRYPT || key_type == AES_CRYPT || |
cc4d623d | 1212 | key_type == WAPI_CRYPT)) { |
9a5b1318 JM |
1213 | ar->ap_mode_bkey.valid = true; |
1214 | ar->ap_mode_bkey.key_index = key_index; | |
1215 | ar->ap_mode_bkey.key_type = key_type; | |
1216 | ar->ap_mode_bkey.key_len = key->key_len; | |
1217 | memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); | |
59c98449 | 1218 | if (!test_bit(CONNECTED, &vif->flags)) { |
cdeb8602 KV |
1219 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1220 | "Delay initial group key configuration until AP mode has been started\n"); | |
9a5b1318 JM |
1221 | /* |
1222 | * The key will be set in ath6kl_connect_ap_mode() once | |
1223 | * the connected event is received from the target. | |
1224 | */ | |
1225 | return 0; | |
1226 | } | |
1227 | } | |
1228 | ||
f5938f24 | 1229 | if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && |
59c98449 | 1230 | !test_bit(CONNECTED, &vif->flags)) { |
151411e8 JM |
1231 | /* |
1232 | * Store the key locally so that it can be re-configured after | |
1233 | * the AP mode has properly started | |
1234 | * (ath6kl_install_statioc_wep_keys). | |
1235 | */ | |
cdeb8602 KV |
1236 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1237 | "Delay WEP key configuration until AP mode has been started\n"); | |
6f2a73f9 VT |
1238 | vif->wep_key_list[key_index].key_len = key->key_len; |
1239 | memcpy(vif->wep_key_list[key_index].key, key->key, | |
1240 | key->key_len); | |
151411e8 JM |
1241 | return 0; |
1242 | } | |
1243 | ||
7cefa44f | 1244 | return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, |
f3e61ece JM |
1245 | key_type, key_usage, key->key_len, |
1246 | key->seq, key->seq_len, key->key, | |
1247 | KEY_OP_INIT_VAL, | |
1248 | (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); | |
bdcd8170 KV |
1249 | } |
1250 | ||
1251 | static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, | |
e7a7b84e | 1252 | int link_id, u8 key_index, bool pairwise, |
bdcd8170 KV |
1253 | const u8 *mac_addr) |
1254 | { | |
d6d5c06c | 1255 | struct ath6kl *ar = ath6kl_priv(ndev); |
6f2a73f9 | 1256 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 KV |
1257 | |
1258 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); | |
1259 | ||
990bd915 | 1260 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1261 | return -EIO; |
1262 | ||
792ecb33 | 1263 | if (key_index > WMI_MAX_KEY_INDEX) { |
bdcd8170 KV |
1264 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1265 | "%s: key index %d out of bounds\n", __func__, | |
1266 | key_index); | |
1267 | return -ENOENT; | |
1268 | } | |
1269 | ||
6f2a73f9 | 1270 | if (!vif->keys[key_index].key_len) { |
bdcd8170 KV |
1271 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1272 | "%s: index %d is empty\n", __func__, key_index); | |
1273 | return 0; | |
1274 | } | |
1275 | ||
6f2a73f9 | 1276 | vif->keys[key_index].key_len = 0; |
bdcd8170 | 1277 | |
334234b5 | 1278 | return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); |
bdcd8170 KV |
1279 | } |
1280 | ||
1281 | static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, | |
e7a7b84e | 1282 | int link_id, u8 key_index, bool pairwise, |
bdcd8170 KV |
1283 | const u8 *mac_addr, void *cookie, |
1284 | void (*callback) (void *cookie, | |
1285 | struct key_params *)) | |
1286 | { | |
6f2a73f9 | 1287 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 KV |
1288 | struct ath6kl_key *key = NULL; |
1289 | struct key_params params; | |
1290 | ||
1291 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); | |
1292 | ||
990bd915 | 1293 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1294 | return -EIO; |
1295 | ||
792ecb33 | 1296 | if (key_index > WMI_MAX_KEY_INDEX) { |
bdcd8170 KV |
1297 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1298 | "%s: key index %d out of bounds\n", __func__, | |
1299 | key_index); | |
1300 | return -ENOENT; | |
1301 | } | |
1302 | ||
6f2a73f9 | 1303 | key = &vif->keys[key_index]; |
bdcd8170 KV |
1304 | memset(¶ms, 0, sizeof(params)); |
1305 | params.cipher = key->cipher; | |
1306 | params.key_len = key->key_len; | |
1307 | params.seq_len = key->seq_len; | |
1308 | params.seq = key->seq; | |
1309 | params.key = key->key; | |
1310 | ||
1311 | callback(cookie, ¶ms); | |
1312 | ||
1313 | return key->key_len ? 0 : -ENOENT; | |
1314 | } | |
1315 | ||
1316 | static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, | |
e7a7b84e | 1317 | struct net_device *ndev, int link_id, |
bdcd8170 KV |
1318 | u8 key_index, bool unicast, |
1319 | bool multicast) | |
1320 | { | |
d6d5c06c | 1321 | struct ath6kl *ar = ath6kl_priv(ndev); |
59c98449 | 1322 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 | 1323 | struct ath6kl_key *key = NULL; |
bdcd8170 | 1324 | u8 key_usage; |
3152a974 | 1325 | enum ath6kl_crypto_type key_type = NONE_CRYPT; |
bdcd8170 KV |
1326 | |
1327 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); | |
1328 | ||
990bd915 | 1329 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1330 | return -EIO; |
1331 | ||
792ecb33 | 1332 | if (key_index > WMI_MAX_KEY_INDEX) { |
bdcd8170 KV |
1333 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1334 | "%s: key index %d out of bounds\n", | |
1335 | __func__, key_index); | |
1336 | return -ENOENT; | |
1337 | } | |
1338 | ||
6f2a73f9 | 1339 | if (!vif->keys[key_index].key_len) { |
bdcd8170 KV |
1340 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", |
1341 | __func__, key_index); | |
1342 | return -EINVAL; | |
1343 | } | |
1344 | ||
3450334f | 1345 | vif->def_txkey_index = key_index; |
6f2a73f9 | 1346 | key = &vif->keys[vif->def_txkey_index]; |
bdcd8170 | 1347 | key_usage = GROUP_USAGE; |
3450334f | 1348 | if (vif->prwise_crypto == WEP_CRYPT) |
bdcd8170 | 1349 | key_usage |= TX_USAGE; |
229ed6b5 | 1350 | if (unicast) |
3450334f | 1351 | key_type = vif->prwise_crypto; |
229ed6b5 | 1352 | if (multicast) |
3450334f | 1353 | key_type = vif->grp_crypto; |
bdcd8170 | 1354 | |
f5938f24 | 1355 | if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) |
9a5b1318 JM |
1356 | return 0; /* Delay until AP mode has been started */ |
1357 | ||
f3e61ece JM |
1358 | return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, |
1359 | vif->def_txkey_index, | |
1360 | key_type, key_usage, | |
1361 | key->key_len, key->seq, key->seq_len, | |
1362 | key->key, | |
1363 | KEY_OP_INIT_VAL, NULL, | |
1364 | SYNC_BOTH_WMIFLAG); | |
bdcd8170 KV |
1365 | } |
1366 | ||
240d2799 | 1367 | void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, |
bdcd8170 KV |
1368 | bool ismcast) |
1369 | { | |
1370 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1371 | "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); | |
1372 | ||
240d2799 | 1373 | cfg80211_michael_mic_failure(vif->ndev, vif->bssid, |
bdcd8170 KV |
1374 | (ismcast ? NL80211_KEYTYPE_GROUP : |
1375 | NL80211_KEYTYPE_PAIRWISE), keyid, NULL, | |
1376 | GFP_KERNEL); | |
1377 | } | |
1378 | ||
1379 | static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
1380 | { | |
1381 | struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); | |
990bd915 | 1382 | struct ath6kl_vif *vif; |
bdcd8170 KV |
1383 | int ret; |
1384 | ||
1385 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, | |
1386 | changed); | |
1387 | ||
990bd915 VT |
1388 | vif = ath6kl_vif_first(ar); |
1389 | if (!vif) | |
1390 | return -EIO; | |
1391 | ||
1392 | if (!ath6kl_cfg80211_ready(vif)) | |
bdcd8170 KV |
1393 | return -EIO; |
1394 | ||
1395 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
1396 | ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); | |
1397 | if (ret != 0) { | |
1398 | ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); | |
1399 | return -EIO; | |
1400 | } | |
1401 | } | |
1402 | ||
1403 | return 0; | |
1404 | } | |
1405 | ||
bdcd8170 | 1406 | static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, |
c8442118 | 1407 | struct wireless_dev *wdev, |
bdcd8170 | 1408 | enum nl80211_tx_power_setting type, |
b992a285 | 1409 | int mbm) |
bdcd8170 KV |
1410 | { |
1411 | struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); | |
990bd915 | 1412 | struct ath6kl_vif *vif; |
b992a285 | 1413 | int dbm = MBM_TO_DBM(mbm); |
bdcd8170 KV |
1414 | |
1415 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, | |
1416 | type, dbm); | |
1417 | ||
990bd915 VT |
1418 | vif = ath6kl_vif_first(ar); |
1419 | if (!vif) | |
1420 | return -EIO; | |
1421 | ||
1422 | if (!ath6kl_cfg80211_ready(vif)) | |
bdcd8170 KV |
1423 | return -EIO; |
1424 | ||
1425 | switch (type) { | |
1426 | case NL80211_TX_POWER_AUTOMATIC: | |
1427 | return 0; | |
1428 | case NL80211_TX_POWER_LIMITED: | |
d0d670ab | 1429 | ar->tx_pwr = dbm; |
bdcd8170 KV |
1430 | break; |
1431 | default: | |
1432 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", | |
1433 | __func__, type); | |
1434 | return -EOPNOTSUPP; | |
1435 | } | |
1436 | ||
d0d670ab | 1437 | ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); |
bdcd8170 KV |
1438 | |
1439 | return 0; | |
1440 | } | |
1441 | ||
c8442118 JB |
1442 | static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, |
1443 | struct wireless_dev *wdev, | |
1444 | int *dbm) | |
bdcd8170 KV |
1445 | { |
1446 | struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); | |
990bd915 VT |
1447 | struct ath6kl_vif *vif; |
1448 | ||
1449 | vif = ath6kl_vif_first(ar); | |
1450 | if (!vif) | |
1451 | return -EIO; | |
bdcd8170 | 1452 | |
990bd915 | 1453 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1454 | return -EIO; |
1455 | ||
59c98449 | 1456 | if (test_bit(CONNECTED, &vif->flags)) { |
cabd34d0 | 1457 | ar->tx_pwr = 255; |
bdcd8170 | 1458 | |
990bd915 | 1459 | if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { |
bdcd8170 KV |
1460 | ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); |
1461 | return -EIO; | |
1462 | } | |
1463 | ||
cabd34d0 | 1464 | wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 255, |
bdcd8170 KV |
1465 | 5 * HZ); |
1466 | ||
1467 | if (signal_pending(current)) { | |
1468 | ath6kl_err("target did not respond\n"); | |
1469 | return -EINTR; | |
1470 | } | |
1471 | } | |
1472 | ||
1473 | *dbm = ar->tx_pwr; | |
1474 | return 0; | |
1475 | } | |
1476 | ||
1477 | static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, | |
1478 | struct net_device *dev, | |
1479 | bool pmgmt, int timeout) | |
1480 | { | |
1481 | struct ath6kl *ar = ath6kl_priv(dev); | |
1482 | struct wmi_power_mode_cmd mode; | |
334234b5 | 1483 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
1484 | |
1485 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", | |
1486 | __func__, pmgmt, timeout); | |
1487 | ||
990bd915 | 1488 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1489 | return -EIO; |
1490 | ||
1491 | if (pmgmt) { | |
f0ed67ec | 1492 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); |
bdcd8170 KV |
1493 | mode.pwr_mode = REC_POWER; |
1494 | } else { | |
f0ed67ec | 1495 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); |
bdcd8170 KV |
1496 | mode.pwr_mode = MAX_PERF_POWER; |
1497 | } | |
1498 | ||
334234b5 | 1499 | if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, |
96f1fadc | 1500 | mode.pwr_mode) != 0) { |
bdcd8170 KV |
1501 | ath6kl_err("wmi_powermode_cmd failed\n"); |
1502 | return -EIO; | |
1503 | } | |
1504 | ||
1505 | return 0; | |
1506 | } | |
1507 | ||
84efbb84 | 1508 | static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, |
552bff0c | 1509 | const char *name, |
6bab2e19 | 1510 | unsigned char name_assign_type, |
84efbb84 | 1511 | enum nl80211_iftype type, |
84efbb84 | 1512 | struct vif_params *params) |
55055976 VT |
1513 | { |
1514 | struct ath6kl *ar = wiphy_priv(wiphy); | |
84efbb84 | 1515 | struct wireless_dev *wdev; |
55055976 VT |
1516 | u8 if_idx, nw_type; |
1517 | ||
71f96ee6 | 1518 | if (ar->num_vif == ar->vif_max) { |
55055976 VT |
1519 | ath6kl_err("Reached maximum number of supported vif\n"); |
1520 | return ERR_PTR(-EINVAL); | |
1521 | } | |
1522 | ||
1523 | if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { | |
1524 | ath6kl_err("Not a supported interface type\n"); | |
1525 | return ERR_PTR(-EINVAL); | |
1526 | } | |
1527 | ||
6bab2e19 | 1528 | wdev = ath6kl_interface_add(ar, name, name_assign_type, type, if_idx, nw_type); |
84efbb84 | 1529 | if (!wdev) |
55055976 VT |
1530 | return ERR_PTR(-ENOMEM); |
1531 | ||
1532 | ar->num_vif++; | |
1533 | ||
84efbb84 | 1534 | return wdev; |
55055976 VT |
1535 | } |
1536 | ||
1537 | static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, | |
84efbb84 | 1538 | struct wireless_dev *wdev) |
55055976 VT |
1539 | { |
1540 | struct ath6kl *ar = wiphy_priv(wiphy); | |
84efbb84 | 1541 | struct ath6kl_vif *vif = netdev_priv(wdev->netdev); |
55055976 | 1542 | |
11f6e40d | 1543 | spin_lock_bh(&ar->list_lock); |
55055976 | 1544 | list_del(&vif->list); |
11f6e40d | 1545 | spin_unlock_bh(&ar->list_lock); |
55055976 | 1546 | |
355b3a98 | 1547 | ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag)); |
55055976 | 1548 | |
bc52aab3 | 1549 | rtnl_lock(); |
c25889e8 | 1550 | ath6kl_cfg80211_vif_cleanup(vif); |
bc52aab3 | 1551 | rtnl_unlock(); |
55055976 VT |
1552 | |
1553 | return 0; | |
1554 | } | |
1555 | ||
bdcd8170 KV |
1556 | static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, |
1557 | struct net_device *ndev, | |
818a986e | 1558 | enum nl80211_iftype type, |
bdcd8170 KV |
1559 | struct vif_params *params) |
1560 | { | |
f5938f24 | 1561 | struct ath6kl_vif *vif = netdev_priv(ndev); |
1e8d13b0 | 1562 | int i; |
bdcd8170 KV |
1563 | |
1564 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); | |
1565 | ||
1e8d13b0 VT |
1566 | /* |
1567 | * Don't bring up p2p on an interface which is not initialized | |
1568 | * for p2p operation where fw does not have capability to switch | |
1569 | * dynamically between non-p2p and p2p type interface. | |
1570 | */ | |
1571 | if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, | |
1572 | vif->ar->fw_capabilities) && | |
1573 | (type == NL80211_IFTYPE_P2P_CLIENT || | |
1574 | type == NL80211_IFTYPE_P2P_GO)) { | |
1575 | if (vif->ar->vif_max == 1) { | |
1576 | if (vif->fw_vif_idx != 0) | |
1577 | return -EINVAL; | |
1578 | else | |
1579 | goto set_iface_type; | |
1580 | } | |
1581 | ||
1582 | for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { | |
1583 | if (i == vif->fw_vif_idx) | |
1584 | break; | |
1585 | } | |
1586 | ||
1587 | if (i == vif->ar->vif_max) { | |
1588 | ath6kl_err("Invalid interface to bring up P2P\n"); | |
1589 | return -EINVAL; | |
1590 | } | |
1591 | } | |
1592 | ||
c422d52d TP |
1593 | /* need to clean up enhanced bmiss detection fw state */ |
1594 | ath6kl_cfg80211_sta_bmiss_enhance(vif, false); | |
1595 | ||
1e8d13b0 | 1596 | set_iface_type: |
bdcd8170 KV |
1597 | switch (type) { |
1598 | case NL80211_IFTYPE_STATION: | |
8aa659d2 | 1599 | case NL80211_IFTYPE_P2P_CLIENT: |
f5938f24 | 1600 | vif->next_mode = INFRA_NETWORK; |
bdcd8170 KV |
1601 | break; |
1602 | case NL80211_IFTYPE_ADHOC: | |
f5938f24 | 1603 | vif->next_mode = ADHOC_NETWORK; |
bdcd8170 | 1604 | break; |
6e4604c8 | 1605 | case NL80211_IFTYPE_AP: |
6b5e5d25 | 1606 | case NL80211_IFTYPE_P2P_GO: |
f5938f24 | 1607 | vif->next_mode = AP_NETWORK; |
6b5e5d25 | 1608 | break; |
bdcd8170 KV |
1609 | default: |
1610 | ath6kl_err("invalid interface type %u\n", type); | |
1611 | return -EOPNOTSUPP; | |
1612 | } | |
1613 | ||
551959d8 | 1614 | vif->wdev.iftype = type; |
bdcd8170 KV |
1615 | |
1616 | return 0; | |
1617 | } | |
1618 | ||
1619 | static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, | |
1620 | struct net_device *dev, | |
1621 | struct cfg80211_ibss_params *ibss_param) | |
1622 | { | |
1623 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 1624 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
1625 | int status; |
1626 | ||
990bd915 | 1627 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1628 | return -EIO; |
1629 | ||
3450334f VT |
1630 | vif->ssid_len = ibss_param->ssid_len; |
1631 | memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); | |
bdcd8170 | 1632 | |
683b6d3b JB |
1633 | if (ibss_param->chandef.chan) |
1634 | vif->ch_hint = ibss_param->chandef.chan->center_freq; | |
bdcd8170 KV |
1635 | |
1636 | if (ibss_param->channel_fixed) { | |
1637 | /* | |
1638 | * TODO: channel_fixed: The channel should be fixed, do not | |
1639 | * search for IBSSs to join on other channels. Target | |
1640 | * firmware does not support this feature, needs to be | |
1641 | * updated. | |
1642 | */ | |
1643 | return -EOPNOTSUPP; | |
1644 | } | |
1645 | ||
8c8b65e3 | 1646 | memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
bdcd8170 | 1647 | if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) |
8c8b65e3 VT |
1648 | memcpy(vif->req_bssid, ibss_param->bssid, |
1649 | sizeof(vif->req_bssid)); | |
bdcd8170 | 1650 | |
240d2799 | 1651 | ath6kl_set_wpa_version(vif, 0); |
bdcd8170 | 1652 | |
240d2799 | 1653 | status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); |
bdcd8170 KV |
1654 | if (status) |
1655 | return status; | |
1656 | ||
1657 | if (ibss_param->privacy) { | |
240d2799 VT |
1658 | ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); |
1659 | ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); | |
bdcd8170 | 1660 | } else { |
240d2799 VT |
1661 | ath6kl_set_cipher(vif, 0, true); |
1662 | ath6kl_set_cipher(vif, 0, false); | |
bdcd8170 KV |
1663 | } |
1664 | ||
f5938f24 | 1665 | vif->nw_type = vif->next_mode; |
bdcd8170 KV |
1666 | |
1667 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1668 | "%s: connect called with authmode %d dot11 auth %d" | |
1669 | " PW crypto %d PW crypto len %d GRP crypto %d" | |
1670 | " GRP crypto len %d channel hint %u\n", | |
1671 | __func__, | |
3450334f VT |
1672 | vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, |
1673 | vif->prwise_crypto_len, vif->grp_crypto, | |
f74bac54 | 1674 | vif->grp_crypto_len, vif->ch_hint); |
bdcd8170 | 1675 | |
334234b5 | 1676 | status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, |
3450334f VT |
1677 | vif->dot11_auth_mode, vif->auth_mode, |
1678 | vif->prwise_crypto, | |
1679 | vif->prwise_crypto_len, | |
1680 | vif->grp_crypto, vif->grp_crypto_len, | |
1681 | vif->ssid_len, vif->ssid, | |
f74bac54 | 1682 | vif->req_bssid, vif->ch_hint, |
3ca9d1fc | 1683 | ar->connect_ctrl_flags, SUBTYPE_NONE); |
59c98449 | 1684 | set_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 KV |
1685 | |
1686 | return 0; | |
1687 | } | |
1688 | ||
1689 | static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, | |
1690 | struct net_device *dev) | |
1691 | { | |
3450334f | 1692 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 | 1693 | |
990bd915 | 1694 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1695 | return -EIO; |
1696 | ||
240d2799 | 1697 | ath6kl_disconnect(vif); |
3450334f VT |
1698 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
1699 | vif->ssid_len = 0; | |
bdcd8170 KV |
1700 | |
1701 | return 0; | |
1702 | } | |
1703 | ||
1704 | static const u32 cipher_suites[] = { | |
1705 | WLAN_CIPHER_SUITE_WEP40, | |
1706 | WLAN_CIPHER_SUITE_WEP104, | |
1707 | WLAN_CIPHER_SUITE_TKIP, | |
1708 | WLAN_CIPHER_SUITE_CCMP, | |
837cb97e | 1709 | CCKM_KRK_CIPHER_SUITE, |
5e07021e | 1710 | WLAN_CIPHER_SUITE_SMS4, |
bdcd8170 KV |
1711 | }; |
1712 | ||
1713 | static bool is_rate_legacy(s32 rate) | |
1714 | { | |
1715 | static const s32 legacy[] = { 1000, 2000, 5500, 11000, | |
1716 | 6000, 9000, 12000, 18000, 24000, | |
1717 | 36000, 48000, 54000 | |
1718 | }; | |
1719 | u8 i; | |
1720 | ||
1721 | for (i = 0; i < ARRAY_SIZE(legacy); i++) | |
1722 | if (rate == legacy[i]) | |
1723 | return true; | |
1724 | ||
1725 | return false; | |
1726 | } | |
1727 | ||
1728 | static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) | |
1729 | { | |
1730 | static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, | |
1731 | 52000, 58500, 65000, 72200 | |
1732 | }; | |
1733 | u8 i; | |
1734 | ||
1735 | for (i = 0; i < ARRAY_SIZE(ht20); i++) { | |
1736 | if (rate == ht20[i]) { | |
1737 | if (i == ARRAY_SIZE(ht20) - 1) | |
1738 | /* last rate uses sgi */ | |
1739 | *sgi = true; | |
1740 | else | |
1741 | *sgi = false; | |
1742 | ||
1743 | *mcs = i; | |
1744 | return true; | |
1745 | } | |
1746 | } | |
1747 | return false; | |
1748 | } | |
1749 | ||
1750 | static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) | |
1751 | { | |
1752 | static const s32 ht40[] = { 13500, 27000, 40500, 54000, | |
1753 | 81000, 108000, 121500, 135000, | |
1754 | 150000 | |
1755 | }; | |
1756 | u8 i; | |
1757 | ||
1758 | for (i = 0; i < ARRAY_SIZE(ht40); i++) { | |
1759 | if (rate == ht40[i]) { | |
1760 | if (i == ARRAY_SIZE(ht40) - 1) | |
1761 | /* last rate uses sgi */ | |
1762 | *sgi = true; | |
1763 | else | |
1764 | *sgi = false; | |
1765 | ||
1766 | *mcs = i; | |
1767 | return true; | |
1768 | } | |
1769 | } | |
1770 | ||
1771 | return false; | |
1772 | } | |
1773 | ||
1774 | static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1775 | const u8 *mac, struct station_info *sinfo) |
bdcd8170 KV |
1776 | { |
1777 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 1778 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
1779 | long left; |
1780 | bool sgi; | |
1781 | s32 rate; | |
1782 | int ret; | |
1783 | u8 mcs; | |
1784 | ||
8c8b65e3 | 1785 | if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) |
bdcd8170 KV |
1786 | return -ENOENT; |
1787 | ||
1788 | if (down_interruptible(&ar->sem)) | |
1789 | return -EBUSY; | |
1790 | ||
b95907a7 | 1791 | set_bit(STATS_UPDATE_PEND, &vif->flags); |
bdcd8170 | 1792 | |
334234b5 | 1793 | ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); |
bdcd8170 KV |
1794 | |
1795 | if (ret != 0) { | |
1796 | up(&ar->sem); | |
1797 | return -EIO; | |
1798 | } | |
1799 | ||
1800 | left = wait_event_interruptible_timeout(ar->event_wq, | |
1801 | !test_bit(STATS_UPDATE_PEND, | |
b95907a7 | 1802 | &vif->flags), |
bdcd8170 KV |
1803 | WMI_TIMEOUT); |
1804 | ||
1805 | up(&ar->sem); | |
1806 | ||
1807 | if (left == 0) | |
1808 | return -ETIMEDOUT; | |
1809 | else if (left < 0) | |
1810 | return left; | |
1811 | ||
b95907a7 VT |
1812 | if (vif->target_stats.rx_byte) { |
1813 | sinfo->rx_bytes = vif->target_stats.rx_byte; | |
22d0d2fa | 1814 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES64); |
b95907a7 | 1815 | sinfo->rx_packets = vif->target_stats.rx_pkt; |
22d0d2fa | 1816 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS); |
bdcd8170 KV |
1817 | } |
1818 | ||
b95907a7 VT |
1819 | if (vif->target_stats.tx_byte) { |
1820 | sinfo->tx_bytes = vif->target_stats.tx_byte; | |
22d0d2fa | 1821 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64); |
b95907a7 | 1822 | sinfo->tx_packets = vif->target_stats.tx_pkt; |
22d0d2fa | 1823 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS); |
bdcd8170 KV |
1824 | } |
1825 | ||
b95907a7 | 1826 | sinfo->signal = vif->target_stats.cs_rssi; |
22d0d2fa | 1827 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); |
bdcd8170 | 1828 | |
b95907a7 | 1829 | rate = vif->target_stats.tx_ucast_rate; |
bdcd8170 KV |
1830 | |
1831 | if (is_rate_legacy(rate)) { | |
1832 | sinfo->txrate.legacy = rate / 100; | |
1833 | } else if (is_rate_ht20(rate, &mcs, &sgi)) { | |
1834 | if (sgi) { | |
1835 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
1836 | sinfo->txrate.mcs = mcs - 1; | |
1837 | } else { | |
1838 | sinfo->txrate.mcs = mcs; | |
1839 | } | |
1840 | ||
1841 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
b51f3bee | 1842 | sinfo->txrate.bw = RATE_INFO_BW_20; |
bdcd8170 KV |
1843 | } else if (is_rate_ht40(rate, &mcs, &sgi)) { |
1844 | if (sgi) { | |
1845 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
1846 | sinfo->txrate.mcs = mcs - 1; | |
1847 | } else { | |
1848 | sinfo->txrate.mcs = mcs; | |
1849 | } | |
1850 | ||
b51f3bee | 1851 | sinfo->txrate.bw = RATE_INFO_BW_40; |
bdcd8170 KV |
1852 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; |
1853 | } else { | |
9a730834 KV |
1854 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1855 | "invalid rate from stats: %d\n", rate); | |
1856 | ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); | |
bdcd8170 KV |
1857 | return 0; |
1858 | } | |
1859 | ||
22d0d2fa | 1860 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); |
bdcd8170 | 1861 | |
59c98449 VT |
1862 | if (test_bit(CONNECTED, &vif->flags) && |
1863 | test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && | |
f5938f24 | 1864 | vif->nw_type == INFRA_NETWORK) { |
22d0d2fa | 1865 | sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM); |
32c10874 | 1866 | sinfo->bss_param.flags = 0; |
cf5333d7 VT |
1867 | sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; |
1868 | sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; | |
32c10874 JM |
1869 | } |
1870 | ||
bdcd8170 KV |
1871 | return 0; |
1872 | } | |
1873 | ||
1874 | static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
1875 | struct cfg80211_pmksa *pmksa) | |
1876 | { | |
1877 | struct ath6kl *ar = ath6kl_priv(netdev); | |
334234b5 VT |
1878 | struct ath6kl_vif *vif = netdev_priv(netdev); |
1879 | ||
1880 | return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, | |
bdcd8170 KV |
1881 | pmksa->pmkid, true); |
1882 | } | |
1883 | ||
1884 | static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
1885 | struct cfg80211_pmksa *pmksa) | |
1886 | { | |
1887 | struct ath6kl *ar = ath6kl_priv(netdev); | |
334234b5 VT |
1888 | struct ath6kl_vif *vif = netdev_priv(netdev); |
1889 | ||
1890 | return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, | |
bdcd8170 KV |
1891 | pmksa->pmkid, false); |
1892 | } | |
1893 | ||
1894 | static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) | |
1895 | { | |
1896 | struct ath6kl *ar = ath6kl_priv(netdev); | |
59c98449 VT |
1897 | struct ath6kl_vif *vif = netdev_priv(netdev); |
1898 | ||
1899 | if (test_bit(CONNECTED, &vif->flags)) | |
334234b5 VT |
1900 | return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, |
1901 | vif->bssid, NULL, false); | |
bdcd8170 KV |
1902 | return 0; |
1903 | } | |
1904 | ||
d91e8eee RM |
1905 | static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, |
1906 | struct cfg80211_wowlan *wow, u32 *filter) | |
6cb3c714 | 1907 | { |
d91e8eee | 1908 | int ret, pos; |
2c07cf44 | 1909 | u8 mask[WOW_PATTERN_SIZE]; |
6cb3c714 | 1910 | u16 i; |
6cb3c714 | 1911 | |
d91e8eee | 1912 | /* Configure the patterns that we received from the user. */ |
6cb3c714 | 1913 | for (i = 0; i < wow->n_patterns; i++) { |
6cb3c714 RM |
1914 | /* |
1915 | * Convert given nl80211 specific mask value to equivalent | |
1916 | * driver specific mask value and send it to the chip along | |
1917 | * with patterns. For example, If the mask value defined in | |
1918 | * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), | |
1919 | * then equivalent driver specific mask value is | |
1920 | * "0xFF 0x00 0xFF 0x00". | |
1921 | */ | |
1922 | memset(&mask, 0, sizeof(mask)); | |
1923 | for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { | |
1924 | if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) | |
1925 | mask[pos] = 0xFF; | |
1926 | } | |
1927 | /* | |
1928 | * Note: Pattern's offset is not passed as part of wowlan | |
1929 | * parameter from CFG layer. So it's always passed as ZERO | |
1930 | * to the firmware. It means, given WOW patterns are always | |
1931 | * matched from the first byte of received pkt in the firmware. | |
1932 | */ | |
1933 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
d91e8eee RM |
1934 | vif->fw_vif_idx, WOW_LIST_ID, |
1935 | wow->patterns[i].pattern_len, | |
1936 | 0 /* pattern offset */, | |
1937 | wow->patterns[i].pattern, mask); | |
6cb3c714 RM |
1938 | if (ret) |
1939 | return ret; | |
1940 | } | |
1941 | ||
d91e8eee RM |
1942 | if (wow->disconnect) |
1943 | *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; | |
1944 | ||
1945 | if (wow->magic_pkt) | |
1946 | *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; | |
1947 | ||
1948 | if (wow->gtk_rekey_failure) | |
1949 | *filter |= WOW_FILTER_OPTION_GTK_ERROR; | |
1950 | ||
1951 | if (wow->eap_identity_req) | |
1952 | *filter |= WOW_FILTER_OPTION_EAP_REQ; | |
1953 | ||
1954 | if (wow->four_way_handshake) | |
1955 | *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; | |
1956 | ||
1957 | return 0; | |
1958 | } | |
1959 | ||
1960 | static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) | |
1961 | { | |
1962 | static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, | |
1963 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1964 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1965 | 0x00, 0x08 }; | |
1966 | static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, | |
1967 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1968 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1969 | 0x00, 0x7f }; | |
1970 | u8 unicst_offset = 0; | |
1971 | static const u8 arp_pattern[] = { 0x08, 0x06 }; | |
1972 | static const u8 arp_mask[] = { 0xff, 0xff }; | |
1973 | u8 arp_offset = 20; | |
1974 | static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; | |
1975 | static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; | |
1976 | u8 discvr_offset = 38; | |
1977 | static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, | |
1978 | 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1979 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, | |
1980 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1981 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1982 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; | |
1983 | static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, | |
1984 | 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1985 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, | |
1986 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1987 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1988 | 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; | |
1989 | u8 dhcp_offset = 0; | |
1990 | int ret; | |
1991 | ||
1992 | /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ | |
1993 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
1994 | vif->fw_vif_idx, WOW_LIST_ID, | |
1995 | sizeof(unicst_pattern), unicst_offset, | |
1996 | unicst_pattern, unicst_mask); | |
1997 | if (ret) { | |
1998 | ath6kl_err("failed to add WOW unicast IP pattern\n"); | |
1999 | return ret; | |
2000 | } | |
2001 | ||
2002 | /* Setup all ARP pkt pattern */ | |
2003 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
2004 | vif->fw_vif_idx, WOW_LIST_ID, | |
2005 | sizeof(arp_pattern), arp_offset, | |
2006 | arp_pattern, arp_mask); | |
2007 | if (ret) { | |
2008 | ath6kl_err("failed to add WOW ARP pattern\n"); | |
2009 | return ret; | |
2010 | } | |
2011 | ||
2012 | /* | |
2013 | * Setup multicast pattern for mDNS 224.0.0.251, | |
2014 | * SSDP 239.255.255.250 and LLMNR 224.0.0.252 | |
2015 | */ | |
2016 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
2017 | vif->fw_vif_idx, WOW_LIST_ID, | |
2018 | sizeof(discvr_pattern), discvr_offset, | |
2019 | discvr_pattern, discvr_mask); | |
2020 | if (ret) { | |
2021 | ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); | |
2022 | return ret; | |
2023 | } | |
2024 | ||
2025 | /* Setup all DHCP broadcast pkt pattern */ | |
2026 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
2027 | vif->fw_vif_idx, WOW_LIST_ID, | |
2028 | sizeof(dhcp_pattern), dhcp_offset, | |
2029 | dhcp_pattern, dhcp_mask); | |
2030 | if (ret) { | |
2031 | ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); | |
2032 | return ret; | |
2033 | } | |
2034 | ||
2035 | return 0; | |
2036 | } | |
2037 | ||
2038 | static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) | |
2039 | { | |
2040 | struct net_device *ndev = vif->ndev; | |
2041 | static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; | |
2042 | static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; | |
2043 | u8 discvr_offset = 38; | |
2044 | u8 mac_mask[ETH_ALEN]; | |
2045 | int ret; | |
2046 | ||
2047 | /* Setup unicast pkt pattern */ | |
93803b33 | 2048 | eth_broadcast_addr(mac_mask); |
d91e8eee RM |
2049 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, |
2050 | vif->fw_vif_idx, WOW_LIST_ID, | |
2051 | ETH_ALEN, 0, ndev->dev_addr, | |
2052 | mac_mask); | |
2053 | if (ret) { | |
2054 | ath6kl_err("failed to add WOW unicast pattern\n"); | |
2055 | return ret; | |
2056 | } | |
2057 | ||
2058 | /* | |
2059 | * Setup multicast pattern for mDNS 224.0.0.251, | |
2060 | * SSDP 239.255.255.250 and LLMNR 224.0.0.252 | |
2061 | */ | |
2062 | if ((ndev->flags & IFF_ALLMULTI) || | |
2063 | (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { | |
2064 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
2065 | vif->fw_vif_idx, WOW_LIST_ID, | |
2066 | sizeof(discvr_pattern), discvr_offset, | |
2067 | discvr_pattern, discvr_mask); | |
2068 | if (ret) { | |
cdeb8602 | 2069 | ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); |
d91e8eee RM |
2070 | return ret; |
2071 | } | |
2072 | } | |
2073 | ||
2074 | return 0; | |
2075 | } | |
2076 | ||
055bde49 RM |
2077 | static int is_hsleep_mode_procsed(struct ath6kl_vif *vif) |
2078 | { | |
2079 | return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); | |
2080 | } | |
2081 | ||
2082 | static bool is_ctrl_ep_empty(struct ath6kl *ar) | |
2083 | { | |
2084 | return !ar->tx_pending[ar->ctrl_ep]; | |
2085 | } | |
2086 | ||
2087 | static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif) | |
2088 | { | |
2089 | int ret, left; | |
2090 | ||
2091 | clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); | |
2092 | ||
2093 | ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
2094 | ATH6KL_HOST_MODE_ASLEEP); | |
2095 | if (ret) | |
2096 | return ret; | |
2097 | ||
2098 | left = wait_event_interruptible_timeout(ar->event_wq, | |
2099 | is_hsleep_mode_procsed(vif), | |
2100 | WMI_TIMEOUT); | |
2101 | if (left == 0) { | |
2102 | ath6kl_warn("timeout, didn't get host sleep cmd processed event\n"); | |
2103 | ret = -ETIMEDOUT; | |
2104 | } else if (left < 0) { | |
2105 | ath6kl_warn("error while waiting for host sleep cmd processed event %d\n", | |
2106 | left); | |
2107 | ret = left; | |
2108 | } | |
2109 | ||
2110 | if (ar->tx_pending[ar->ctrl_ep]) { | |
2111 | left = wait_event_interruptible_timeout(ar->event_wq, | |
2112 | is_ctrl_ep_empty(ar), | |
2113 | WMI_TIMEOUT); | |
2114 | if (left == 0) { | |
2115 | ath6kl_warn("clear wmi ctrl data timeout\n"); | |
2116 | ret = -ETIMEDOUT; | |
2117 | } else if (left < 0) { | |
2118 | ath6kl_warn("clear wmi ctrl data failed: %d\n", left); | |
2119 | ret = left; | |
2120 | } | |
2121 | } | |
2122 | ||
2123 | return ret; | |
2124 | } | |
2125 | ||
fd4377b6 TP |
2126 | static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif, |
2127 | struct cfg80211_wowlan *wow, u32 *filter) | |
d91e8eee | 2128 | { |
fd4377b6 | 2129 | struct ath6kl *ar = vif->ar; |
d91e8eee RM |
2130 | struct in_device *in_dev; |
2131 | struct in_ifaddr *ifa; | |
055bde49 | 2132 | int ret; |
ce0dc0cf | 2133 | u16 i, bmiss_time; |
d91e8eee | 2134 | __be32 ips[MAX_IP_ADDRS]; |
fd4377b6 | 2135 | u8 index = 0; |
d91e8eee | 2136 | |
6821d4f0 NG |
2137 | if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) && |
2138 | test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, | |
2139 | ar->fw_capabilities)) { | |
6251d801 NG |
2140 | ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, |
2141 | vif->fw_vif_idx, false); | |
2142 | if (ret) | |
2143 | return ret; | |
2144 | } | |
2145 | ||
d91e8eee RM |
2146 | /* Clear existing WOW patterns */ |
2147 | for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) | |
2148 | ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, | |
2149 | WOW_LIST_ID, i); | |
2150 | ||
2151 | /* | |
2152 | * Skip the default WOW pattern configuration | |
2153 | * if the driver receives any WOW patterns from | |
2154 | * the user. | |
2155 | */ | |
2156 | if (wow) | |
fd4377b6 | 2157 | ret = ath6kl_wow_usr(ar, vif, wow, filter); |
d91e8eee RM |
2158 | else if (vif->nw_type == AP_NETWORK) |
2159 | ret = ath6kl_wow_ap(ar, vif); | |
2160 | else | |
2161 | ret = ath6kl_wow_sta(ar, vif); | |
2162 | ||
2163 | if (ret) | |
2164 | return ret; | |
2165 | ||
390a8c8f RM |
2166 | netif_stop_queue(vif->ndev); |
2167 | ||
ce0dc0cf RM |
2168 | if (vif->nw_type != AP_NETWORK) { |
2169 | ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, | |
2170 | ATH6KL_MAX_WOW_LISTEN_INTL, | |
2171 | 0); | |
2172 | if (ret) | |
2173 | return ret; | |
2174 | ||
2175 | /* Set listen interval x 15 times as bmiss time */ | |
2176 | bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; | |
2177 | if (bmiss_time > ATH6KL_MAX_BMISS_TIME) | |
2178 | bmiss_time = ATH6KL_MAX_BMISS_TIME; | |
2179 | ||
2180 | ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, | |
2181 | bmiss_time, 0); | |
2182 | if (ret) | |
2183 | return ret; | |
2184 | ||
2185 | ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, | |
2186 | 0xFFFF, 0, 0xFFFF, 0, 0, 0, | |
2187 | 0, 0, 0, 0); | |
2188 | if (ret) | |
2189 | return ret; | |
2190 | } | |
2191 | ||
c08631c6 RM |
2192 | /* Setup own IP addr for ARP agent. */ |
2193 | in_dev = __in_dev_get_rtnl(vif->ndev); | |
2194 | if (!in_dev) | |
fd4377b6 | 2195 | return 0; |
c08631c6 | 2196 | |
2638eb8b | 2197 | ifa = rtnl_dereference(in_dev->ifa_list); |
c08631c6 RM |
2198 | memset(&ips, 0, sizeof(ips)); |
2199 | ||
2200 | /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ | |
2201 | while (index < MAX_IP_ADDRS && ifa) { | |
2202 | ips[index] = ifa->ifa_local; | |
2638eb8b | 2203 | ifa = rtnl_dereference(ifa->ifa_next); |
c08631c6 RM |
2204 | index++; |
2205 | } | |
2206 | ||
2207 | if (ifa) { | |
2208 | ath6kl_err("total IP addr count is exceeding fw limit\n"); | |
2209 | return -EINVAL; | |
2210 | } | |
2211 | ||
2212 | ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); | |
2213 | if (ret) { | |
2214 | ath6kl_err("fail to setup ip for arp agent\n"); | |
2215 | return ret; | |
2216 | } | |
2217 | ||
fd4377b6 TP |
2218 | return ret; |
2219 | } | |
2220 | ||
2221 | static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) | |
2222 | { | |
2223 | struct ath6kl_vif *first_vif, *vif; | |
2224 | int ret = 0; | |
2225 | u32 filter = 0; | |
2226 | bool connected = false; | |
2227 | ||
2228 | /* enter / leave wow suspend on first vif always */ | |
2229 | first_vif = ath6kl_vif_first(ar); | |
bffb7db2 | 2230 | if (WARN_ON(!first_vif) || |
fd4377b6 TP |
2231 | !ath6kl_cfg80211_ready(first_vif)) |
2232 | return -EIO; | |
2233 | ||
2234 | if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) | |
2235 | return -EINVAL; | |
2236 | ||
2237 | /* install filters for each connected vif */ | |
2238 | spin_lock_bh(&ar->list_lock); | |
2239 | list_for_each_entry(vif, &ar->vif_list, list) { | |
2240 | if (!test_bit(CONNECTED, &vif->flags) || | |
2241 | !ath6kl_cfg80211_ready(vif)) | |
2242 | continue; | |
2243 | connected = true; | |
2244 | ||
2245 | ret = ath6kl_wow_suspend_vif(vif, wow, &filter); | |
2246 | if (ret) | |
2247 | break; | |
2248 | } | |
2249 | spin_unlock_bh(&ar->list_lock); | |
2250 | ||
2251 | if (!connected) | |
2252 | return -ENOTCONN; | |
2253 | else if (ret) | |
2254 | return ret; | |
2255 | ||
2256 | ar->state = ATH6KL_STATE_SUSPENDING; | |
2257 | ||
2258 | ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx, | |
6cb3c714 RM |
2259 | ATH6KL_WOW_MODE_ENABLE, |
2260 | filter, | |
2261 | WOW_HOST_REQ_DELAY); | |
2262 | if (ret) | |
2263 | return ret; | |
2264 | ||
fd4377b6 | 2265 | return ath6kl_cfg80211_host_sleep(ar, first_vif); |
6cb3c714 RM |
2266 | } |
2267 | ||
fd4377b6 | 2268 | static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif) |
6cb3c714 | 2269 | { |
fd4377b6 | 2270 | struct ath6kl *ar = vif->ar; |
6cb3c714 RM |
2271 | int ret; |
2272 | ||
ce0dc0cf RM |
2273 | if (vif->nw_type != AP_NETWORK) { |
2274 | ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, | |
2275 | 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); | |
2276 | if (ret) | |
2277 | return ret; | |
2278 | ||
2279 | ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, | |
2280 | vif->listen_intvl_t, 0); | |
2281 | if (ret) | |
2282 | return ret; | |
2283 | ||
2284 | ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, | |
2285 | vif->bmiss_time_t, 0); | |
2286 | if (ret) | |
2287 | return ret; | |
2288 | } | |
2289 | ||
6821d4f0 NG |
2290 | if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) && |
2291 | test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, | |
2292 | ar->fw_capabilities)) { | |
6251d801 | 2293 | ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, |
fd4377b6 | 2294 | vif->fw_vif_idx, true); |
6251d801 NG |
2295 | if (ret) |
2296 | return ret; | |
2297 | } | |
2298 | ||
390a8c8f RM |
2299 | netif_wake_queue(vif->ndev); |
2300 | ||
2301 | return 0; | |
6cb3c714 RM |
2302 | } |
2303 | ||
fd4377b6 TP |
2304 | static int ath6kl_wow_resume(struct ath6kl *ar) |
2305 | { | |
2306 | struct ath6kl_vif *vif; | |
2307 | int ret; | |
2308 | ||
2309 | vif = ath6kl_vif_first(ar); | |
bffb7db2 | 2310 | if (WARN_ON(!vif) || |
fd4377b6 TP |
2311 | !ath6kl_cfg80211_ready(vif)) |
2312 | return -EIO; | |
2313 | ||
2314 | ar->state = ATH6KL_STATE_RESUMING; | |
2315 | ||
2316 | ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
2317 | ATH6KL_HOST_MODE_AWAKE); | |
2318 | if (ret) { | |
2319 | ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n", | |
2320 | ret); | |
2321 | goto cleanup; | |
2322 | } | |
2323 | ||
2324 | spin_lock_bh(&ar->list_lock); | |
2325 | list_for_each_entry(vif, &ar->vif_list, list) { | |
2326 | if (!test_bit(CONNECTED, &vif->flags) || | |
2327 | !ath6kl_cfg80211_ready(vif)) | |
2328 | continue; | |
2329 | ret = ath6kl_wow_resume_vif(vif); | |
2330 | if (ret) | |
2331 | break; | |
2332 | } | |
2333 | spin_unlock_bh(&ar->list_lock); | |
2334 | ||
2335 | if (ret) | |
2336 | goto cleanup; | |
2337 | ||
2338 | ar->state = ATH6KL_STATE_ON; | |
2339 | return 0; | |
2340 | ||
2341 | cleanup: | |
2342 | ar->state = ATH6KL_STATE_WOW; | |
2343 | return ret; | |
2344 | } | |
2345 | ||
40abc2de RM |
2346 | static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) |
2347 | { | |
2348 | struct ath6kl_vif *vif; | |
2349 | int ret; | |
2350 | ||
2351 | vif = ath6kl_vif_first(ar); | |
2352 | if (!vif) | |
2353 | return -EIO; | |
2354 | ||
48f27587 MJ |
2355 | if (!test_bit(WMI_READY, &ar->flag)) { |
2356 | ath6kl_err("deepsleep failed as wmi is not ready\n"); | |
40abc2de | 2357 | return -EIO; |
48f27587 | 2358 | } |
40abc2de RM |
2359 | |
2360 | ath6kl_cfg80211_stop_all(ar); | |
2361 | ||
2362 | /* Save the current power mode before enabling power save */ | |
2363 | ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; | |
2364 | ||
2365 | ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); | |
2366 | if (ret) | |
2367 | return ret; | |
2368 | ||
2369 | /* Disable WOW mode */ | |
2370 | ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
2371 | ATH6KL_WOW_MODE_DISABLE, | |
2372 | 0, 0); | |
2373 | if (ret) | |
2374 | return ret; | |
2375 | ||
2376 | /* Flush all non control pkts in TX path */ | |
2377 | ath6kl_tx_data_cleanup(ar); | |
2378 | ||
2379 | ret = ath6kl_cfg80211_host_sleep(ar, vif); | |
2380 | if (ret) | |
2381 | return ret; | |
2382 | ||
2383 | return 0; | |
2384 | } | |
2385 | ||
2386 | static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) | |
2387 | { | |
2388 | struct ath6kl_vif *vif; | |
2389 | int ret; | |
2390 | ||
2391 | vif = ath6kl_vif_first(ar); | |
2392 | ||
2393 | if (!vif) | |
2394 | return -EIO; | |
2395 | ||
2396 | if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { | |
2397 | ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, | |
2398 | ar->wmi->saved_pwr_mode); | |
2399 | if (ret) | |
2400 | return ret; | |
2401 | } | |
2402 | ||
2403 | ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
2404 | ATH6KL_HOST_MODE_AWAKE); | |
2405 | if (ret) | |
2406 | return ret; | |
2407 | ||
2408 | ar->state = ATH6KL_STATE_ON; | |
2409 | ||
2410 | /* Reset scan parameter to default values */ | |
2411 | ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, | |
2412 | 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); | |
2413 | if (ret) | |
2414 | return ret; | |
2415 | ||
2416 | return 0; | |
2417 | } | |
2418 | ||
52d81a68 | 2419 | int ath6kl_cfg80211_suspend(struct ath6kl *ar, |
0f60e9f4 RM |
2420 | enum ath6kl_cfg_suspend_mode mode, |
2421 | struct cfg80211_wowlan *wow) | |
52d81a68 | 2422 | { |
3d79499c | 2423 | struct ath6kl_vif *vif; |
390a8c8f | 2424 | enum ath6kl_state prev_state; |
52d81a68 KV |
2425 | int ret; |
2426 | ||
52d81a68 | 2427 | switch (mode) { |
d7c44e0b RM |
2428 | case ATH6KL_CFG_SUSPEND_WOW: |
2429 | ||
2430 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); | |
2431 | ||
2432 | /* Flush all non control pkts in TX path */ | |
2433 | ath6kl_tx_data_cleanup(ar); | |
2434 | ||
390a8c8f RM |
2435 | prev_state = ar->state; |
2436 | ||
d7c44e0b | 2437 | ret = ath6kl_wow_suspend(ar, wow); |
390a8c8f RM |
2438 | if (ret) { |
2439 | ar->state = prev_state; | |
d7c44e0b | 2440 | return ret; |
390a8c8f | 2441 | } |
1e9a905d | 2442 | |
d7c44e0b RM |
2443 | ar->state = ATH6KL_STATE_WOW; |
2444 | break; | |
2445 | ||
52d81a68 | 2446 | case ATH6KL_CFG_SUSPEND_DEEPSLEEP: |
524441e3 | 2447 | |
40abc2de | 2448 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); |
52d81a68 | 2449 | |
40abc2de | 2450 | ret = ath6kl_cfg80211_deepsleep_suspend(ar); |
52d81a68 | 2451 | if (ret) { |
40abc2de RM |
2452 | ath6kl_err("deepsleep suspend failed: %d\n", ret); |
2453 | return ret; | |
52d81a68 KV |
2454 | } |
2455 | ||
76a9fbe2 KV |
2456 | ar->state = ATH6KL_STATE_DEEPSLEEP; |
2457 | ||
52d81a68 | 2458 | break; |
b4b2a0b1 KV |
2459 | |
2460 | case ATH6KL_CFG_SUSPEND_CUTPOWER: | |
524441e3 | 2461 | |
7125f01d | 2462 | ath6kl_cfg80211_stop_all(ar); |
524441e3 | 2463 | |
b4b2a0b1 KV |
2464 | if (ar->state == ATH6KL_STATE_OFF) { |
2465 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, | |
2466 | "suspend hw off, no action for cutpower\n"); | |
2467 | break; | |
2468 | } | |
2469 | ||
2470 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); | |
2471 | ||
2472 | ret = ath6kl_init_hw_stop(ar); | |
2473 | if (ret) { | |
2474 | ath6kl_warn("failed to stop hw during suspend: %d\n", | |
2475 | ret); | |
2476 | } | |
2477 | ||
2478 | ar->state = ATH6KL_STATE_CUTPOWER; | |
2479 | ||
2480 | break; | |
2481 | ||
2482 | default: | |
2483 | break; | |
52d81a68 KV |
2484 | } |
2485 | ||
3d79499c VN |
2486 | list_for_each_entry(vif, &ar->vif_list, list) |
2487 | ath6kl_cfg80211_scan_complete_event(vif, true); | |
2488 | ||
52d81a68 KV |
2489 | return 0; |
2490 | } | |
d6a434d6 | 2491 | EXPORT_SYMBOL(ath6kl_cfg80211_suspend); |
52d81a68 KV |
2492 | |
2493 | int ath6kl_cfg80211_resume(struct ath6kl *ar) | |
2494 | { | |
76a9fbe2 KV |
2495 | int ret; |
2496 | ||
2497 | switch (ar->state) { | |
d7c44e0b RM |
2498 | case ATH6KL_STATE_WOW: |
2499 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); | |
2500 | ||
2501 | ret = ath6kl_wow_resume(ar); | |
2502 | if (ret) { | |
2503 | ath6kl_warn("wow mode resume failed: %d\n", ret); | |
2504 | return ret; | |
2505 | } | |
2506 | ||
d7c44e0b RM |
2507 | break; |
2508 | ||
76a9fbe2 | 2509 | case ATH6KL_STATE_DEEPSLEEP: |
40abc2de | 2510 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); |
76a9fbe2 | 2511 | |
40abc2de RM |
2512 | ret = ath6kl_cfg80211_deepsleep_resume(ar); |
2513 | if (ret) { | |
2514 | ath6kl_warn("deep sleep resume failed: %d\n", ret); | |
2515 | return ret; | |
2516 | } | |
76a9fbe2 KV |
2517 | break; |
2518 | ||
b4b2a0b1 KV |
2519 | case ATH6KL_STATE_CUTPOWER: |
2520 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); | |
2521 | ||
2522 | ret = ath6kl_init_hw_start(ar); | |
2523 | if (ret) { | |
2524 | ath6kl_warn("Failed to boot hw in resume: %d\n", ret); | |
2525 | return ret; | |
2526 | } | |
d7c44e0b | 2527 | break; |
b4b2a0b1 | 2528 | |
76a9fbe2 KV |
2529 | default: |
2530 | break; | |
52d81a68 KV |
2531 | } |
2532 | ||
2533 | return 0; | |
2534 | } | |
d6a434d6 | 2535 | EXPORT_SYMBOL(ath6kl_cfg80211_resume); |
52d81a68 | 2536 | |
abcb344b | 2537 | #ifdef CONFIG_PM |
52d81a68 KV |
2538 | |
2539 | /* hif layer decides what suspend mode to use */ | |
2540 | static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, | |
abcb344b KV |
2541 | struct cfg80211_wowlan *wow) |
2542 | { | |
2543 | struct ath6kl *ar = wiphy_priv(wiphy); | |
2544 | ||
84caf800 VT |
2545 | ath6kl_recovery_suspend(ar); |
2546 | ||
0f60e9f4 | 2547 | return ath6kl_hif_suspend(ar, wow); |
abcb344b | 2548 | } |
aa6cffc1 | 2549 | |
52d81a68 | 2550 | static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) |
aa6cffc1 CN |
2551 | { |
2552 | struct ath6kl *ar = wiphy_priv(wiphy); | |
84caf800 VT |
2553 | int err; |
2554 | ||
2555 | err = ath6kl_hif_resume(ar); | |
2556 | if (err) | |
2557 | return err; | |
aa6cffc1 | 2558 | |
92332993 | 2559 | ath6kl_recovery_resume(ar); |
aa6cffc1 | 2560 | |
84caf800 | 2561 | return 0; |
aa6cffc1 | 2562 | } |
a918fb3c RM |
2563 | |
2564 | /* | |
2565 | * FIXME: WOW suspend mode is selected if the host sdio controller supports | |
2566 | * both sdio irq wake up and keep power. The target pulls sdio data line to | |
2567 | * wake up the host when WOW pattern matches. This causes sdio irq handler | |
2568 | * is being called in the host side which internally hits ath6kl's RX path. | |
2569 | * | |
2570 | * Since sdio interrupt is not disabled, RX path executes even before | |
2571 | * the host executes the actual resume operation from PM module. | |
2572 | * | |
2573 | * In the current scenario, WOW resume should happen before start processing | |
2574 | * any data from the target. So It's required to perform WOW resume in RX path. | |
2575 | * Ideally we should perform WOW resume only in the actual platform | |
2576 | * resume path. This area needs bit rework to avoid WOW resume in RX path. | |
2577 | * | |
2578 | * ath6kl_check_wow_status() is called from ath6kl_rx(). | |
2579 | */ | |
2580 | void ath6kl_check_wow_status(struct ath6kl *ar) | |
2581 | { | |
390a8c8f RM |
2582 | if (ar->state == ATH6KL_STATE_SUSPENDING) |
2583 | return; | |
2584 | ||
a918fb3c RM |
2585 | if (ar->state == ATH6KL_STATE_WOW) |
2586 | ath6kl_cfg80211_resume(ar); | |
2587 | } | |
2588 | ||
2589 | #else | |
2590 | ||
2591 | void ath6kl_check_wow_status(struct ath6kl *ar) | |
2592 | { | |
2593 | } | |
abcb344b KV |
2594 | #endif |
2595 | ||
57fbcce3 | 2596 | static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum nl80211_band band, |
df90b369 | 2597 | bool ht_enable) |
6a7c9bad | 2598 | { |
67b3f129 | 2599 | struct ath6kl_htcap *htcap = &vif->htcap[band]; |
6a7c9bad | 2600 | |
df90b369 VT |
2601 | if (htcap->ht_enable == ht_enable) |
2602 | return 0; | |
6a7c9bad | 2603 | |
df90b369 VT |
2604 | if (ht_enable) { |
2605 | /* Set default ht capabilities */ | |
2606 | htcap->ht_enable = true; | |
57fbcce3 | 2607 | htcap->cap_info = (band == NL80211_BAND_2GHZ) ? |
df90b369 VT |
2608 | ath6kl_g_htcap : ath6kl_a_htcap; |
2609 | htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; | |
2610 | } else /* Disable ht */ | |
2611 | memset(htcap, 0, sizeof(*htcap)); | |
6a7c9bad | 2612 | |
df90b369 VT |
2613 | return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, |
2614 | band, htcap); | |
6a7c9bad JM |
2615 | } |
2616 | ||
37a2f950 TP |
2617 | static int ath6kl_restore_htcap(struct ath6kl_vif *vif) |
2618 | { | |
2619 | struct wiphy *wiphy = vif->ar->wiphy; | |
2620 | int band, ret = 0; | |
2621 | ||
57fbcce3 | 2622 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
37a2f950 TP |
2623 | if (!wiphy->bands[band]) |
2624 | continue; | |
2625 | ||
2626 | ret = ath6kl_set_htcap(vif, band, | |
2627 | wiphy->bands[band]->ht_cap.ht_supported); | |
2628 | if (ret) | |
2629 | return ret; | |
2630 | } | |
2631 | ||
2632 | return ret; | |
2633 | } | |
2634 | ||
8bdfbf40 JM |
2635 | static bool ath6kl_is_p2p_ie(const u8 *pos) |
2636 | { | |
2637 | return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && | |
2638 | pos[2] == 0x50 && pos[3] == 0x6f && | |
2639 | pos[4] == 0x9a && pos[5] == 0x09; | |
2640 | } | |
2641 | ||
334234b5 VT |
2642 | static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, |
2643 | const u8 *ies, size_t ies_len) | |
8bdfbf40 | 2644 | { |
334234b5 | 2645 | struct ath6kl *ar = vif->ar; |
8bdfbf40 JM |
2646 | const u8 *pos; |
2647 | u8 *buf = NULL; | |
2648 | size_t len = 0; | |
2649 | int ret; | |
2650 | ||
2651 | /* | |
2652 | * Filter out P2P IE(s) since they will be included depending on | |
2653 | * the Probe Request frame in ath6kl_send_go_probe_resp(). | |
2654 | */ | |
2655 | ||
2656 | if (ies && ies_len) { | |
2657 | buf = kmalloc(ies_len, GFP_KERNEL); | |
2658 | if (buf == NULL) | |
2659 | return -ENOMEM; | |
2660 | pos = ies; | |
2661 | while (pos + 1 < ies + ies_len) { | |
2662 | if (pos + 2 + pos[1] > ies + ies_len) | |
2663 | break; | |
2664 | if (!ath6kl_is_p2p_ie(pos)) { | |
2665 | memcpy(buf + len, pos, 2 + pos[1]); | |
2666 | len += 2 + pos[1]; | |
2667 | } | |
2668 | pos += 2 + pos[1]; | |
2669 | } | |
2670 | } | |
2671 | ||
334234b5 VT |
2672 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
2673 | WMI_FRAME_PROBE_RESP, buf, len); | |
8bdfbf40 JM |
2674 | kfree(buf); |
2675 | return ret; | |
2676 | } | |
2677 | ||
8860020e JB |
2678 | static int ath6kl_set_ies(struct ath6kl_vif *vif, |
2679 | struct cfg80211_beacon_data *info) | |
6a7c9bad | 2680 | { |
8860020e | 2681 | struct ath6kl *ar = vif->ar; |
6a7c9bad | 2682 | int res; |
6a7c9bad | 2683 | |
17a7b16d AT |
2684 | /* this also clears IE in fw if it's not set */ |
2685 | res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, | |
2686 | WMI_FRAME_BEACON, | |
2687 | info->beacon_ies, | |
2688 | info->beacon_ies_len); | |
2689 | if (res) | |
2690 | return res; | |
2691 | ||
2692 | /* this also clears IE in fw if it's not set */ | |
2693 | res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, | |
2694 | info->proberesp_ies_len); | |
2695 | if (res) | |
2696 | return res; | |
2697 | ||
2698 | /* this also clears IE in fw if it's not set */ | |
2699 | res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, | |
2700 | WMI_FRAME_ASSOC_RESP, | |
2701 | info->assocresp_ies, | |
2702 | info->assocresp_ies_len); | |
2703 | if (res) | |
2704 | return res; | |
6a7c9bad | 2705 | |
8860020e JB |
2706 | return 0; |
2707 | } | |
2708 | ||
d97c121b VT |
2709 | static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, |
2710 | u8 *rsn_capab) | |
2711 | { | |
2712 | const u8 *rsn_ie; | |
2713 | size_t rsn_ie_len; | |
2714 | u16 cnt; | |
2715 | ||
2716 | if (!beacon->tail) | |
2717 | return -EINVAL; | |
2718 | ||
2719 | rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); | |
2720 | if (!rsn_ie) | |
2721 | return -EINVAL; | |
2722 | ||
2723 | rsn_ie_len = *(rsn_ie + 1); | |
2724 | /* skip element id and length */ | |
2725 | rsn_ie += 2; | |
2726 | ||
9e8b16db VT |
2727 | /* skip version */ |
2728 | if (rsn_ie_len < 2) | |
d97c121b | 2729 | return -EINVAL; |
9e8b16db VT |
2730 | rsn_ie += 2; |
2731 | rsn_ie_len -= 2; | |
2732 | ||
2733 | /* skip group cipher suite */ | |
2734 | if (rsn_ie_len < 4) | |
2735 | return 0; | |
2736 | rsn_ie += 4; | |
2737 | rsn_ie_len -= 4; | |
d97c121b VT |
2738 | |
2739 | /* skip pairwise cipher suite */ | |
2740 | if (rsn_ie_len < 2) | |
9e8b16db | 2741 | return 0; |
798985c6 | 2742 | cnt = get_unaligned_le16(rsn_ie); |
d97c121b VT |
2743 | rsn_ie += (2 + cnt * 4); |
2744 | rsn_ie_len -= (2 + cnt * 4); | |
2745 | ||
2746 | /* skip akm suite */ | |
2747 | if (rsn_ie_len < 2) | |
9e8b16db | 2748 | return 0; |
798985c6 | 2749 | cnt = get_unaligned_le16(rsn_ie); |
d97c121b VT |
2750 | rsn_ie += (2 + cnt * 4); |
2751 | rsn_ie_len -= (2 + cnt * 4); | |
2752 | ||
2753 | if (rsn_ie_len < 2) | |
9e8b16db | 2754 | return 0; |
d97c121b VT |
2755 | |
2756 | memcpy(rsn_capab, rsn_ie, 2); | |
2757 | ||
2758 | return 0; | |
2759 | } | |
2760 | ||
8860020e JB |
2761 | static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, |
2762 | struct cfg80211_ap_settings *info) | |
6a7c9bad JM |
2763 | { |
2764 | struct ath6kl *ar = ath6kl_priv(dev); | |
3450334f | 2765 | struct ath6kl_vif *vif = netdev_priv(dev); |
6a7c9bad | 2766 | struct ieee80211_mgmt *mgmt; |
67cd22e4 | 2767 | bool hidden = false; |
6a7c9bad | 2768 | u8 *ies; |
6a7c9bad JM |
2769 | struct wmi_connect_cmd p; |
2770 | int res; | |
be5abaaf | 2771 | int i, ret; |
d97c121b | 2772 | u16 rsn_capab = 0; |
7ac25eac | 2773 | int inactivity_timeout = 0; |
6a7c9bad | 2774 | |
8860020e | 2775 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); |
6a7c9bad | 2776 | |
990bd915 | 2777 | if (!ath6kl_cfg80211_ready(vif)) |
6a7c9bad JM |
2778 | return -EIO; |
2779 | ||
f5938f24 | 2780 | if (vif->next_mode != AP_NETWORK) |
6a7c9bad JM |
2781 | return -EOPNOTSUPP; |
2782 | ||
8860020e | 2783 | res = ath6kl_set_ies(vif, &info->beacon); |
6a7c9bad | 2784 | |
9a5b1318 JM |
2785 | ar->ap_mode_bkey.valid = false; |
2786 | ||
eb922e4b MSS |
2787 | ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx, |
2788 | info->beacon_interval); | |
2789 | ||
2790 | if (ret) | |
2791 | ath6kl_warn("Failed to set beacon interval: %d\n", ret); | |
6a7c9bad | 2792 | |
d154f32e EL |
2793 | ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, |
2794 | info->dtim_period); | |
2795 | ||
2796 | /* ignore error, just print a warning and continue normally */ | |
2797 | if (ret) | |
2798 | ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret); | |
2799 | ||
8860020e | 2800 | if (info->beacon.head == NULL) |
6a7c9bad | 2801 | return -EINVAL; |
8860020e | 2802 | mgmt = (struct ieee80211_mgmt *) info->beacon.head; |
6a7c9bad | 2803 | ies = mgmt->u.beacon.variable; |
8860020e | 2804 | if (ies > info->beacon.head + info->beacon.head_len) |
6a7c9bad | 2805 | return -EINVAL; |
6a7c9bad JM |
2806 | |
2807 | if (info->ssid == NULL) | |
2808 | return -EINVAL; | |
3450334f VT |
2809 | memcpy(vif->ssid, info->ssid, info->ssid_len); |
2810 | vif->ssid_len = info->ssid_len; | |
6a7c9bad | 2811 | if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) |
67cd22e4 TP |
2812 | hidden = true; |
2813 | ||
2814 | res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); | |
2815 | if (res) | |
2816 | return res; | |
6a7c9bad | 2817 | |
be5abaaf VT |
2818 | ret = ath6kl_set_auth_type(vif, info->auth_type); |
2819 | if (ret) | |
2820 | return ret; | |
6a7c9bad JM |
2821 | |
2822 | memset(&p, 0, sizeof(p)); | |
2823 | ||
2824 | for (i = 0; i < info->crypto.n_akm_suites; i++) { | |
2825 | switch (info->crypto.akm_suites[i]) { | |
2826 | case WLAN_AKM_SUITE_8021X: | |
2827 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) | |
2828 | p.auth_mode |= WPA_AUTH; | |
2829 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) | |
2830 | p.auth_mode |= WPA2_AUTH; | |
2831 | break; | |
2832 | case WLAN_AKM_SUITE_PSK: | |
2833 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) | |
2834 | p.auth_mode |= WPA_PSK_AUTH; | |
2835 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) | |
2836 | p.auth_mode |= WPA2_PSK_AUTH; | |
2837 | break; | |
2838 | } | |
2839 | } | |
2840 | if (p.auth_mode == 0) | |
2841 | p.auth_mode = NONE_AUTH; | |
3450334f | 2842 | vif->auth_mode = p.auth_mode; |
6a7c9bad JM |
2843 | |
2844 | for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { | |
2845 | switch (info->crypto.ciphers_pairwise[i]) { | |
2846 | case WLAN_CIPHER_SUITE_WEP40: | |
2847 | case WLAN_CIPHER_SUITE_WEP104: | |
2848 | p.prwise_crypto_type |= WEP_CRYPT; | |
2849 | break; | |
2850 | case WLAN_CIPHER_SUITE_TKIP: | |
2851 | p.prwise_crypto_type |= TKIP_CRYPT; | |
2852 | break; | |
2853 | case WLAN_CIPHER_SUITE_CCMP: | |
2854 | p.prwise_crypto_type |= AES_CRYPT; | |
2855 | break; | |
b8214df1 DS |
2856 | case WLAN_CIPHER_SUITE_SMS4: |
2857 | p.prwise_crypto_type |= WAPI_CRYPT; | |
2858 | break; | |
6a7c9bad JM |
2859 | } |
2860 | } | |
229ed6b5 | 2861 | if (p.prwise_crypto_type == 0) { |
6a7c9bad | 2862 | p.prwise_crypto_type = NONE_CRYPT; |
240d2799 | 2863 | ath6kl_set_cipher(vif, 0, true); |
a5d8f9df | 2864 | } else if (info->crypto.n_ciphers_pairwise == 1) { |
240d2799 | 2865 | ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); |
a5d8f9df | 2866 | } |
6a7c9bad JM |
2867 | |
2868 | switch (info->crypto.cipher_group) { | |
2869 | case WLAN_CIPHER_SUITE_WEP40: | |
2870 | case WLAN_CIPHER_SUITE_WEP104: | |
2871 | p.grp_crypto_type = WEP_CRYPT; | |
2872 | break; | |
2873 | case WLAN_CIPHER_SUITE_TKIP: | |
2874 | p.grp_crypto_type = TKIP_CRYPT; | |
2875 | break; | |
2876 | case WLAN_CIPHER_SUITE_CCMP: | |
2877 | p.grp_crypto_type = AES_CRYPT; | |
2878 | break; | |
b8214df1 DS |
2879 | case WLAN_CIPHER_SUITE_SMS4: |
2880 | p.grp_crypto_type = WAPI_CRYPT; | |
2881 | break; | |
6a7c9bad JM |
2882 | default: |
2883 | p.grp_crypto_type = NONE_CRYPT; | |
2884 | break; | |
2885 | } | |
240d2799 | 2886 | ath6kl_set_cipher(vif, info->crypto.cipher_group, false); |
6a7c9bad JM |
2887 | |
2888 | p.nw_type = AP_NETWORK; | |
f5938f24 | 2889 | vif->nw_type = vif->next_mode; |
6a7c9bad | 2890 | |
3450334f VT |
2891 | p.ssid_len = vif->ssid_len; |
2892 | memcpy(p.ssid, vif->ssid, vif->ssid_len); | |
2893 | p.dot11_auth_mode = vif->dot11_auth_mode; | |
683b6d3b | 2894 | p.ch = cpu_to_le16(info->chandef.chan->center_freq); |
6a7c9bad | 2895 | |
c1762a3f TP |
2896 | /* Enable uAPSD support by default */ |
2897 | res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); | |
2898 | if (res < 0) | |
2899 | return res; | |
2900 | ||
3ca9d1fc AT |
2901 | if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { |
2902 | p.nw_subtype = SUBTYPE_P2PGO; | |
2903 | } else { | |
2904 | /* | |
2905 | * Due to firmware limitation, it is not possible to | |
2906 | * do P2P mgmt operations in AP mode | |
2907 | */ | |
2908 | p.nw_subtype = SUBTYPE_NONE; | |
2909 | } | |
2910 | ||
03bdeb0d | 2911 | if (info->inactivity_timeout) { |
7ac25eac MSS |
2912 | inactivity_timeout = info->inactivity_timeout; |
2913 | ||
eba95bce KV |
2914 | if (test_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS, |
2915 | ar->fw_capabilities)) | |
7ac25eac MSS |
2916 | inactivity_timeout = DIV_ROUND_UP(inactivity_timeout, |
2917 | 60); | |
2918 | ||
03bdeb0d | 2919 | res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx, |
7ac25eac | 2920 | inactivity_timeout); |
03bdeb0d VT |
2921 | if (res < 0) |
2922 | return res; | |
2923 | } | |
2924 | ||
683b6d3b JB |
2925 | if (ath6kl_set_htcap(vif, info->chandef.chan->band, |
2926 | cfg80211_get_chandef_type(&info->chandef) | |
2927 | != NL80211_CHAN_NO_HT)) | |
df90b369 VT |
2928 | return -EIO; |
2929 | ||
d97c121b VT |
2930 | /* |
2931 | * Get the PTKSA replay counter in the RSN IE. Supplicant | |
2932 | * will use the RSN IE in M3 message and firmware has to | |
2933 | * advertise the same in beacon/probe response. Send | |
2934 | * the complete RSN IE capability field to firmware | |
2935 | */ | |
2936 | if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) && | |
2937 | test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, | |
2938 | ar->fw_capabilities)) { | |
2939 | res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, | |
2940 | WLAN_EID_RSN, WMI_RSN_IE_CAPB, | |
2941 | (const u8 *) &rsn_capab, | |
2942 | sizeof(rsn_capab)); | |
f21243a8 | 2943 | vif->rsn_capab = rsn_capab; |
d97c121b VT |
2944 | if (res < 0) |
2945 | return res; | |
2946 | } | |
2947 | ||
c4f7863e | 2948 | memcpy(&vif->profile, &p, sizeof(p)); |
334234b5 | 2949 | res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); |
9a5b1318 JM |
2950 | if (res < 0) |
2951 | return res; | |
2952 | ||
2953 | return 0; | |
6a7c9bad JM |
2954 | } |
2955 | ||
8860020e | 2956 | static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
bb55441c | 2957 | struct cfg80211_ap_update *params) |
6a7c9bad | 2958 | { |
8860020e | 2959 | struct ath6kl_vif *vif = netdev_priv(dev); |
6a7c9bad | 2960 | |
8860020e JB |
2961 | if (!ath6kl_cfg80211_ready(vif)) |
2962 | return -EIO; | |
2963 | ||
2964 | if (vif->next_mode != AP_NETWORK) | |
2965 | return -EOPNOTSUPP; | |
2966 | ||
66f85d57 | 2967 | return ath6kl_set_ies(vif, ¶ms->beacon); |
6a7c9bad JM |
2968 | } |
2969 | ||
7b0a0e3c JB |
2970 | static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev, |
2971 | unsigned int link_id) | |
6a7c9bad JM |
2972 | { |
2973 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 2974 | struct ath6kl_vif *vif = netdev_priv(dev); |
6a7c9bad | 2975 | |
f5938f24 | 2976 | if (vif->nw_type != AP_NETWORK) |
6a7c9bad | 2977 | return -EOPNOTSUPP; |
59c98449 | 2978 | if (!test_bit(CONNECTED, &vif->flags)) |
6a7c9bad JM |
2979 | return -ENOTCONN; |
2980 | ||
334234b5 | 2981 | ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); |
59c98449 | 2982 | clear_bit(CONNECTED, &vif->flags); |
76b817f6 | 2983 | netif_carrier_off(vif->ndev); |
6a7c9bad | 2984 | |
df90b369 | 2985 | /* Restore ht setting in firmware */ |
37a2f950 | 2986 | return ath6kl_restore_htcap(vif); |
6a7c9bad JM |
2987 | } |
2988 | ||
33e5308d JM |
2989 | static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; |
2990 | ||
2991 | static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, | |
89c771e5 | 2992 | struct station_del_parameters *params) |
33e5308d JM |
2993 | { |
2994 | struct ath6kl *ar = ath6kl_priv(dev); | |
2995 | struct ath6kl_vif *vif = netdev_priv(dev); | |
89c771e5 | 2996 | const u8 *addr = params->mac ? params->mac : bcast_addr; |
33e5308d JM |
2997 | |
2998 | return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, | |
2999 | addr, WLAN_REASON_PREV_AUTH_NOT_VALID); | |
3000 | } | |
3001 | ||
23875136 | 3002 | static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 JB |
3003 | const u8 *mac, |
3004 | struct station_parameters *params) | |
23875136 JM |
3005 | { |
3006 | struct ath6kl *ar = ath6kl_priv(dev); | |
f5938f24 | 3007 | struct ath6kl_vif *vif = netdev_priv(dev); |
77ee7c89 | 3008 | int err; |
23875136 | 3009 | |
f5938f24 | 3010 | if (vif->nw_type != AP_NETWORK) |
23875136 JM |
3011 | return -EOPNOTSUPP; |
3012 | ||
77ee7c89 JB |
3013 | err = cfg80211_check_station_change(wiphy, params, |
3014 | CFG80211_STA_AP_MLME_CLIENT); | |
3015 | if (err) | |
3016 | return err; | |
23875136 JM |
3017 | |
3018 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
334234b5 VT |
3019 | return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, |
3020 | WMI_AP_MLME_AUTHORIZE, mac, 0); | |
3021 | return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, | |
3022 | WMI_AP_MLME_UNAUTHORIZE, mac, 0); | |
23875136 JM |
3023 | } |
3024 | ||
63fa1e0c | 3025 | static int ath6kl_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 3026 | struct wireless_dev *wdev, |
63fa1e0c | 3027 | struct ieee80211_channel *chan, |
63fa1e0c JM |
3028 | unsigned int duration, |
3029 | u64 *cookie) | |
3030 | { | |
71bbc994 JB |
3031 | struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); |
3032 | struct ath6kl *ar = ath6kl_priv(vif->ndev); | |
1052261e | 3033 | u32 id; |
63fa1e0c JM |
3034 | |
3035 | /* TODO: if already pending or ongoing remain-on-channel, | |
3036 | * return -EBUSY */ | |
1052261e JM |
3037 | id = ++vif->last_roc_id; |
3038 | if (id == 0) { | |
3039 | /* Do not use 0 as the cookie value */ | |
3040 | id = ++vif->last_roc_id; | |
3041 | } | |
3042 | *cookie = id; | |
63fa1e0c | 3043 | |
334234b5 VT |
3044 | return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, |
3045 | chan->center_freq, duration); | |
63fa1e0c JM |
3046 | } |
3047 | ||
3048 | static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, | |
71bbc994 | 3049 | struct wireless_dev *wdev, |
63fa1e0c JM |
3050 | u64 cookie) |
3051 | { | |
71bbc994 JB |
3052 | struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); |
3053 | struct ath6kl *ar = ath6kl_priv(vif->ndev); | |
63fa1e0c | 3054 | |
1052261e | 3055 | if (cookie != vif->last_roc_id) |
63fa1e0c | 3056 | return -ENOENT; |
1052261e | 3057 | vif->last_cancel_roc_id = cookie; |
63fa1e0c | 3058 | |
334234b5 | 3059 | return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); |
63fa1e0c JM |
3060 | } |
3061 | ||
334234b5 VT |
3062 | static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, |
3063 | const u8 *buf, size_t len, | |
3064 | unsigned int freq) | |
8bdfbf40 | 3065 | { |
334234b5 | 3066 | struct ath6kl *ar = vif->ar; |
8bdfbf40 JM |
3067 | const u8 *pos; |
3068 | u8 *p2p; | |
3069 | int p2p_len; | |
3070 | int ret; | |
3071 | const struct ieee80211_mgmt *mgmt; | |
3072 | ||
3073 | mgmt = (const struct ieee80211_mgmt *) buf; | |
3074 | ||
3075 | /* Include P2P IE(s) from the frame generated in user space. */ | |
3076 | ||
3077 | p2p = kmalloc(len, GFP_KERNEL); | |
3078 | if (p2p == NULL) | |
3079 | return -ENOMEM; | |
3080 | p2p_len = 0; | |
3081 | ||
3082 | pos = mgmt->u.probe_resp.variable; | |
3083 | while (pos + 1 < buf + len) { | |
3084 | if (pos + 2 + pos[1] > buf + len) | |
3085 | break; | |
3086 | if (ath6kl_is_p2p_ie(pos)) { | |
3087 | memcpy(p2p + p2p_len, pos, 2 + pos[1]); | |
3088 | p2p_len += 2 + pos[1]; | |
3089 | } | |
3090 | pos += 2 + pos[1]; | |
3091 | } | |
3092 | ||
334234b5 VT |
3093 | ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, |
3094 | mgmt->da, p2p, p2p_len); | |
8bdfbf40 JM |
3095 | kfree(p2p); |
3096 | return ret; | |
3097 | } | |
3098 | ||
d0ff7383 NG |
3099 | static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, |
3100 | u32 id, | |
3101 | u32 freq, | |
3102 | u32 wait, | |
3103 | const u8 *buf, | |
3104 | size_t len, | |
3105 | bool *more_data, | |
3106 | bool no_cck) | |
3107 | { | |
3108 | struct ieee80211_mgmt *mgmt; | |
3109 | struct ath6kl_sta *conn; | |
3110 | bool is_psq_empty = false; | |
3111 | struct ath6kl_mgmt_buff *mgmt_buf; | |
3112 | size_t mgmt_buf_size; | |
3113 | struct ath6kl *ar = vif->ar; | |
3114 | ||
3115 | mgmt = (struct ieee80211_mgmt *) buf; | |
3116 | if (is_multicast_ether_addr(mgmt->da)) | |
3117 | return false; | |
3118 | ||
3119 | conn = ath6kl_find_sta(vif, mgmt->da); | |
3120 | if (!conn) | |
3121 | return false; | |
3122 | ||
3123 | if (conn->sta_flags & STA_PS_SLEEP) { | |
3124 | if (!(conn->sta_flags & STA_PS_POLLED)) { | |
3125 | /* Queue the frames if the STA is sleeping */ | |
3126 | mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); | |
3127 | mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); | |
3128 | if (!mgmt_buf) | |
3129 | return false; | |
3130 | ||
3131 | INIT_LIST_HEAD(&mgmt_buf->list); | |
3132 | mgmt_buf->id = id; | |
3133 | mgmt_buf->freq = freq; | |
3134 | mgmt_buf->wait = wait; | |
3135 | mgmt_buf->len = len; | |
3136 | mgmt_buf->no_cck = no_cck; | |
3137 | memcpy(mgmt_buf->buf, buf, len); | |
3138 | spin_lock_bh(&conn->psq_lock); | |
3139 | is_psq_empty = skb_queue_empty(&conn->psq) && | |
3140 | (conn->mgmt_psq_len == 0); | |
3141 | list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); | |
3142 | conn->mgmt_psq_len++; | |
3143 | spin_unlock_bh(&conn->psq_lock); | |
3144 | ||
3145 | /* | |
3146 | * If this is the first pkt getting queued | |
3147 | * for this STA, update the PVB for this | |
3148 | * STA. | |
3149 | */ | |
3150 | if (is_psq_empty) | |
3151 | ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, | |
3152 | conn->aid, 1); | |
3153 | return true; | |
3154 | } | |
3155 | ||
3156 | /* | |
3157 | * This tx is because of a PsPoll. | |
3158 | * Determine if MoreData bit has to be set. | |
3159 | */ | |
3160 | spin_lock_bh(&conn->psq_lock); | |
3161 | if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) | |
3162 | *more_data = true; | |
3163 | spin_unlock_bh(&conn->psq_lock); | |
3164 | } | |
3165 | ||
3166 | return false; | |
3167 | } | |
3168 | ||
c86e4f44 AT |
3169 | /* Check if SSID length is greater than DIRECT- */ |
3170 | static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) | |
3171 | { | |
3172 | const struct ieee80211_mgmt *mgmt; | |
3173 | mgmt = (const struct ieee80211_mgmt *) buf; | |
3174 | ||
3175 | /* variable[1] contains the SSID tag length */ | |
3176 | if (buf + len >= &mgmt->u.probe_resp.variable[1] && | |
3177 | (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { | |
3178 | return true; | |
3179 | } | |
3180 | ||
3181 | return false; | |
3182 | } | |
3183 | ||
71bbc994 | 3184 | static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
b176e629 | 3185 | struct cfg80211_mgmt_tx_params *params, u64 *cookie) |
8a6c8060 | 3186 | { |
71bbc994 JB |
3187 | struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); |
3188 | struct ath6kl *ar = ath6kl_priv(vif->ndev); | |
b176e629 AO |
3189 | struct ieee80211_channel *chan = params->chan; |
3190 | const u8 *buf = params->buf; | |
3191 | size_t len = params->len; | |
3192 | unsigned int wait = params->wait; | |
3193 | bool no_cck = params->no_cck; | |
bfd634d0 | 3194 | u32 id, freq; |
8bdfbf40 | 3195 | const struct ieee80211_mgmt *mgmt; |
d0ff7383 | 3196 | bool more_data, queued; |
8bdfbf40 | 3197 | |
bfd634d0 AQ |
3198 | /* default to the current channel, but use the one specified as argument |
3199 | * if any | |
3200 | */ | |
3201 | freq = vif->ch_hint; | |
3202 | if (chan) | |
3203 | freq = chan->center_freq; | |
3204 | ||
3205 | /* never send freq zero to the firmware */ | |
3206 | if (WARN_ON(freq == 0)) | |
3207 | return -EINVAL; | |
3208 | ||
8bdfbf40 | 3209 | mgmt = (const struct ieee80211_mgmt *) buf; |
c86e4f44 AT |
3210 | if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && |
3211 | ieee80211_is_probe_resp(mgmt->frame_control) && | |
3212 | ath6kl_is_p2p_go_ssid(buf, len)) { | |
8bdfbf40 | 3213 | /* |
c86e4f44 | 3214 | * Send Probe Response frame in GO mode using a separate WMI |
8bdfbf40 JM |
3215 | * command to allow the target to fill in the generic IEs. |
3216 | */ | |
3217 | *cookie = 0; /* TX status not supported */ | |
bfd634d0 | 3218 | return ath6kl_send_go_probe_resp(vif, buf, len, freq); |
8bdfbf40 | 3219 | } |
8a6c8060 | 3220 | |
cf5333d7 | 3221 | id = vif->send_action_id++; |
8a6c8060 JM |
3222 | if (id == 0) { |
3223 | /* | |
3224 | * 0 is a reserved value in the WMI command and shall not be | |
3225 | * used for the command. | |
3226 | */ | |
cf5333d7 | 3227 | id = vif->send_action_id++; |
8a6c8060 JM |
3228 | } |
3229 | ||
3230 | *cookie = id; | |
3ca9d1fc | 3231 | |
d0ff7383 NG |
3232 | /* AP mode Power saving processing */ |
3233 | if (vif->nw_type == AP_NETWORK) { | |
bfd634d0 AQ |
3234 | queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len, |
3235 | &more_data, no_cck); | |
d0ff7383 NG |
3236 | if (queued) |
3237 | return 0; | |
3ca9d1fc | 3238 | } |
d0ff7383 | 3239 | |
bfd634d0 AQ |
3240 | return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq, |
3241 | wait, buf, len, no_cck); | |
8a6c8060 JM |
3242 | } |
3243 | ||
9c2e90ff BG |
3244 | static int ath6kl_get_antenna(struct wiphy *wiphy, |
3245 | u32 *tx_ant, u32 *rx_ant) | |
3246 | { | |
3247 | struct ath6kl *ar = wiphy_priv(wiphy); | |
3248 | *tx_ant = ar->hw.tx_ant; | |
3249 | *rx_ant = ar->hw.rx_ant; | |
3250 | return 0; | |
3251 | } | |
3252 | ||
6cd536fe JB |
3253 | static void ath6kl_update_mgmt_frame_registrations(struct wiphy *wiphy, |
3254 | struct wireless_dev *wdev, | |
3255 | struct mgmt_frame_regs *upd) | |
ae32c30a | 3256 | { |
71bbc994 | 3257 | struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); |
ae32c30a | 3258 | |
6cd536fe JB |
3259 | /* |
3260 | * FIXME: send WMI_PROBE_REQ_REPORT_CMD here instead of hardcoding | |
3261 | * the reporting in the target all the time, this callback | |
3262 | * *is* allowed to sleep after all. | |
3263 | */ | |
3264 | vif->probe_req_report = | |
3265 | upd->interface_stypes & BIT(IEEE80211_STYPE_PROBE_REQ >> 4); | |
ae32c30a JM |
3266 | } |
3267 | ||
10509f90 KV |
3268 | static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, |
3269 | struct net_device *dev, | |
3270 | struct cfg80211_sched_scan_request *request) | |
3271 | { | |
3272 | struct ath6kl *ar = ath6kl_priv(dev); | |
3273 | struct ath6kl_vif *vif = netdev_priv(dev); | |
3274 | u16 interval; | |
85b20fc2 | 3275 | int ret, rssi_thold; |
ea73cbce JB |
3276 | int n_match_sets = request->n_match_sets; |
3277 | ||
3278 | /* | |
3279 | * If there's a matchset w/o an SSID, then assume it's just for | |
3280 | * the RSSI (nothing else is currently supported) and ignore it. | |
3281 | * The device only supports a global RSSI filter that we set below. | |
3282 | */ | |
3283 | if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len) | |
3284 | n_match_sets = 0; | |
10509f90 KV |
3285 | |
3286 | if (ar->state != ATH6KL_STATE_ON) | |
3287 | return -EIO; | |
3288 | ||
3289 | if (vif->sme_state != SME_DISCONNECTED) | |
3290 | return -EBUSY; | |
3291 | ||
b4d13d3b KV |
3292 | ath6kl_cfg80211_scan_complete_event(vif, true); |
3293 | ||
3b8ffc6a | 3294 | ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, |
dd45b759 NS |
3295 | request->n_ssids, |
3296 | request->match_sets, | |
ea73cbce | 3297 | n_match_sets); |
3b8ffc6a JM |
3298 | if (ret < 0) |
3299 | return ret; | |
10509f90 | 3300 | |
ea73cbce | 3301 | if (!n_match_sets) { |
dd45b759 NS |
3302 | ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, |
3303 | ALL_BSS_FILTER, 0); | |
3304 | if (ret < 0) | |
3305 | return ret; | |
3306 | } else { | |
75596eab JC |
3307 | ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, |
3308 | MATCHED_SSID_FILTER, 0); | |
dd45b759 NS |
3309 | if (ret < 0) |
3310 | return ret; | |
3311 | } | |
3312 | ||
85b20fc2 TP |
3313 | if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, |
3314 | ar->fw_capabilities)) { | |
ea73cbce | 3315 | if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF) |
85b20fc2 | 3316 | rssi_thold = 0; |
ea73cbce | 3317 | else if (request->min_rssi_thold < -127) |
85b20fc2 TP |
3318 | rssi_thold = -127; |
3319 | else | |
ea73cbce | 3320 | rssi_thold = request->min_rssi_thold; |
85b20fc2 TP |
3321 | |
3322 | ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx, | |
3323 | rssi_thold); | |
3324 | if (ret) { | |
3325 | ath6kl_err("failed to set RSSI threshold for scan\n"); | |
3326 | return ret; | |
3327 | } | |
3328 | } | |
3329 | ||
10509f90 | 3330 | /* fw uses seconds, also make sure that it's >0 */ |
3b06d277 | 3331 | interval = max_t(u16, 1, request->scan_plans[0].interval); |
10509f90 KV |
3332 | |
3333 | ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, | |
3334 | interval, interval, | |
d472b5e4 | 3335 | vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); |
10509f90 | 3336 | |
10509f90 KV |
3337 | /* this also clears IE in fw if it's not set */ |
3338 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, | |
3339 | WMI_FRAME_PROBE_REQ, | |
3340 | request->ie, request->ie_len); | |
3341 | if (ret) { | |
f1ff32e8 | 3342 | ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n", |
10509f90 KV |
3343 | ret); |
3344 | return ret; | |
3345 | } | |
3346 | ||
b1f47e3a TP |
3347 | ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true); |
3348 | if (ret) | |
10509f90 | 3349 | return ret; |
10509f90 | 3350 | |
b1f47e3a | 3351 | set_bit(SCHED_SCANNING, &vif->flags); |
10509f90 | 3352 | |
b1f47e3a | 3353 | return 0; |
10509f90 KV |
3354 | } |
3355 | ||
3356 | static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, | |
3a3ecf1d | 3357 | struct net_device *dev, u64 reqid) |
10509f90 KV |
3358 | { |
3359 | struct ath6kl_vif *vif = netdev_priv(dev); | |
3360 | bool stopped; | |
3361 | ||
3362 | stopped = __ath6kl_cfg80211_sscan_stop(vif); | |
3363 | ||
3364 | if (!stopped) | |
3365 | return -EIO; | |
3366 | ||
3367 | return 0; | |
3368 | } | |
3369 | ||
06e360ac BS |
3370 | static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy, |
3371 | struct net_device *dev, | |
7b0a0e3c | 3372 | unsigned int link_id, |
06e360ac BS |
3373 | const u8 *addr, |
3374 | const struct cfg80211_bitrate_mask *mask) | |
3375 | { | |
3376 | struct ath6kl *ar = ath6kl_priv(dev); | |
3377 | struct ath6kl_vif *vif = netdev_priv(dev); | |
3378 | ||
3379 | return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx, | |
3380 | mask); | |
3381 | } | |
3382 | ||
279b2862 TP |
3383 | static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy, |
3384 | struct net_device *dev, | |
3385 | u32 rate, u32 pkts, u32 intvl) | |
3386 | { | |
3387 | struct ath6kl *ar = ath6kl_priv(dev); | |
3388 | struct ath6kl_vif *vif = netdev_priv(dev); | |
3389 | ||
3390 | if (vif->nw_type != INFRA_NETWORK || | |
3391 | !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities)) | |
3392 | return -EOPNOTSUPP; | |
3393 | ||
3394 | if (vif->sme_state != SME_CONNECTED) | |
3395 | return -ENOTCONN; | |
3396 | ||
3397 | /* save this since the firmware won't report the interval */ | |
3398 | vif->txe_intvl = intvl; | |
3399 | ||
3400 | return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx, | |
3401 | rate, pkts, intvl); | |
3402 | } | |
3403 | ||
f80574ae JM |
3404 | static const struct ieee80211_txrx_stypes |
3405 | ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { | |
3406 | [NL80211_IFTYPE_STATION] = { | |
3407 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
3408 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
3409 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
3410 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
3411 | }, | |
ba1f6fe3 JM |
3412 | [NL80211_IFTYPE_AP] = { |
3413 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
3414 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
3415 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
3416 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
3417 | }, | |
f80574ae JM |
3418 | [NL80211_IFTYPE_P2P_CLIENT] = { |
3419 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
3420 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
3421 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
3422 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
3423 | }, | |
3424 | [NL80211_IFTYPE_P2P_GO] = { | |
3425 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
3426 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
3427 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
3428 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
3429 | }, | |
3430 | }; | |
3431 | ||
bdcd8170 | 3432 | static struct cfg80211_ops ath6kl_cfg80211_ops = { |
55055976 VT |
3433 | .add_virtual_intf = ath6kl_cfg80211_add_iface, |
3434 | .del_virtual_intf = ath6kl_cfg80211_del_iface, | |
bdcd8170 KV |
3435 | .change_virtual_intf = ath6kl_cfg80211_change_iface, |
3436 | .scan = ath6kl_cfg80211_scan, | |
3437 | .connect = ath6kl_cfg80211_connect, | |
3438 | .disconnect = ath6kl_cfg80211_disconnect, | |
3439 | .add_key = ath6kl_cfg80211_add_key, | |
3440 | .get_key = ath6kl_cfg80211_get_key, | |
3441 | .del_key = ath6kl_cfg80211_del_key, | |
3442 | .set_default_key = ath6kl_cfg80211_set_default_key, | |
3443 | .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, | |
3444 | .set_tx_power = ath6kl_cfg80211_set_txpower, | |
3445 | .get_tx_power = ath6kl_cfg80211_get_txpower, | |
3446 | .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, | |
3447 | .join_ibss = ath6kl_cfg80211_join_ibss, | |
3448 | .leave_ibss = ath6kl_cfg80211_leave_ibss, | |
3449 | .get_station = ath6kl_get_station, | |
3450 | .set_pmksa = ath6kl_set_pmksa, | |
3451 | .del_pmksa = ath6kl_del_pmksa, | |
3452 | .flush_pmksa = ath6kl_flush_pmksa, | |
003353b0 | 3453 | CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) |
abcb344b | 3454 | #ifdef CONFIG_PM |
52d81a68 KV |
3455 | .suspend = __ath6kl_cfg80211_suspend, |
3456 | .resume = __ath6kl_cfg80211_resume, | |
abcb344b | 3457 | #endif |
8860020e JB |
3458 | .start_ap = ath6kl_start_ap, |
3459 | .change_beacon = ath6kl_change_beacon, | |
3460 | .stop_ap = ath6kl_stop_ap, | |
33e5308d | 3461 | .del_station = ath6kl_del_station, |
23875136 | 3462 | .change_station = ath6kl_change_station, |
63fa1e0c JM |
3463 | .remain_on_channel = ath6kl_remain_on_channel, |
3464 | .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, | |
8a6c8060 | 3465 | .mgmt_tx = ath6kl_mgmt_tx, |
6cd536fe JB |
3466 | .update_mgmt_frame_registrations = |
3467 | ath6kl_update_mgmt_frame_registrations, | |
9c2e90ff | 3468 | .get_antenna = ath6kl_get_antenna, |
10509f90 KV |
3469 | .sched_scan_start = ath6kl_cfg80211_sscan_start, |
3470 | .sched_scan_stop = ath6kl_cfg80211_sscan_stop, | |
06e360ac | 3471 | .set_bitrate_mask = ath6kl_cfg80211_set_bitrate, |
279b2862 | 3472 | .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config, |
bdcd8170 KV |
3473 | }; |
3474 | ||
7125f01d | 3475 | void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) |
ec4b7f60 | 3476 | { |
10509f90 KV |
3477 | ath6kl_cfg80211_sscan_disable(vif); |
3478 | ||
ec4b7f60 | 3479 | switch (vif->sme_state) { |
c97a31b0 KV |
3480 | case SME_DISCONNECTED: |
3481 | break; | |
ec4b7f60 KV |
3482 | case SME_CONNECTING: |
3483 | cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, | |
3484 | NULL, 0, | |
3485 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
3486 | GFP_KERNEL); | |
3487 | break; | |
3488 | case SME_CONNECTED: | |
80279fb7 | 3489 | cfg80211_disconnected(vif->ndev, 0, NULL, 0, true, GFP_KERNEL); |
ec4b7f60 KV |
3490 | break; |
3491 | } | |
3492 | ||
58109df6 VT |
3493 | if (vif->ar->state != ATH6KL_STATE_RECOVERY && |
3494 | (test_bit(CONNECTED, &vif->flags) || | |
3495 | test_bit(CONNECT_PEND, &vif->flags))) | |
7125f01d | 3496 | ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); |
ec4b7f60 KV |
3497 | |
3498 | vif->sme_state = SME_DISCONNECTED; | |
1f405255 KV |
3499 | clear_bit(CONNECTED, &vif->flags); |
3500 | clear_bit(CONNECT_PEND, &vif->flags); | |
ec4b7f60 | 3501 | |
84caf800 VT |
3502 | /* Stop netdev queues, needed during recovery */ |
3503 | netif_stop_queue(vif->ndev); | |
3504 | netif_carrier_off(vif->ndev); | |
3505 | ||
ec4b7f60 | 3506 | /* disable scanning */ |
58109df6 VT |
3507 | if (vif->ar->state != ATH6KL_STATE_RECOVERY && |
3508 | ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, | |
7125f01d KV |
3509 | 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) |
3510 | ath6kl_warn("failed to disable scan during stop\n"); | |
ec4b7f60 KV |
3511 | |
3512 | ath6kl_cfg80211_scan_complete_event(vif, true); | |
3513 | } | |
3514 | ||
7125f01d KV |
3515 | void ath6kl_cfg80211_stop_all(struct ath6kl *ar) |
3516 | { | |
3517 | struct ath6kl_vif *vif; | |
3518 | ||
3519 | vif = ath6kl_vif_first(ar); | |
84caf800 | 3520 | if (!vif && ar->state != ATH6KL_STATE_RECOVERY) { |
7125f01d KV |
3521 | /* save the current power mode before enabling power save */ |
3522 | ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; | |
3523 | ||
3524 | if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) | |
cdeb8602 | 3525 | ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n"); |
7125f01d KV |
3526 | return; |
3527 | } | |
3528 | ||
3529 | /* | |
3530 | * FIXME: we should take ar->list_lock to protect changes in the | |
3531 | * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() | |
3532 | * sleeps. | |
3533 | */ | |
3534 | list_for_each_entry(vif, &ar->vif_list, list) | |
3535 | ath6kl_cfg80211_stop(vif); | |
3536 | } | |
3537 | ||
0c0280bd LR |
3538 | static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy, |
3539 | struct regulatory_request *request) | |
84841ba2 KV |
3540 | { |
3541 | struct ath6kl *ar = wiphy_priv(wiphy); | |
57fbcce3 | 3542 | u32 rates[NUM_NL80211_BANDS]; |
84841ba2 KV |
3543 | int ret, i; |
3544 | ||
3545 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
ff7e6867 | 3546 | "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n", |
84841ba2 KV |
3547 | request->alpha2[0], request->alpha2[1], |
3548 | request->intersect ? " intersect" : "", | |
3549 | request->processed ? " processed" : "", | |
ff7e6867 KV |
3550 | request->initiator, request->user_reg_hint_type); |
3551 | ||
ff7e6867 | 3552 | if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE) |
0c0280bd | 3553 | return; |
84841ba2 KV |
3554 | |
3555 | ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2); | |
3556 | if (ret) { | |
3557 | ath6kl_err("failed to set regdomain: %d\n", ret); | |
0c0280bd | 3558 | return; |
84841ba2 KV |
3559 | } |
3560 | ||
3561 | /* | |
3562 | * Firmware will apply the regdomain change only after a scan is | |
3563 | * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been | |
3564 | * changed. | |
3565 | */ | |
3566 | ||
57fbcce3 | 3567 | for (i = 0; i < NUM_NL80211_BANDS; i++) |
84841ba2 KV |
3568 | if (wiphy->bands[i]) |
3569 | rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; | |
3570 | ||
3571 | ||
3572 | ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false, | |
3573 | false, 0, ATH6KL_FG_SCAN_INTERVAL, | |
3574 | 0, NULL, false, rates); | |
3575 | if (ret) { | |
3576 | ath6kl_err("failed to start scan for a regdomain change: %d\n", | |
3577 | ret); | |
0c0280bd | 3578 | return; |
84841ba2 | 3579 | } |
84841ba2 KV |
3580 | } |
3581 | ||
c25889e8 | 3582 | static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) |
bdcd8170 | 3583 | { |
7baef812 | 3584 | vif->aggr_cntxt = aggr_init(vif); |
2132c69c | 3585 | if (!vif->aggr_cntxt) { |
8dafb70e VT |
3586 | ath6kl_err("failed to initialize aggr\n"); |
3587 | return -ENOMEM; | |
3588 | } | |
3589 | ||
7ac76764 KC |
3590 | timer_setup(&vif->disconnect_timer, disconnect_timer_handler, 0); |
3591 | timer_setup(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 0); | |
10509f90 | 3592 | |
de3ad713 | 3593 | set_bit(WMM_ENABLED, &vif->flags); |
478ac027 | 3594 | spin_lock_init(&vif->if_lock); |
bdcd8170 | 3595 | |
80abaf9b VT |
3596 | INIT_LIST_HEAD(&vif->mc_filter); |
3597 | ||
8dafb70e VT |
3598 | return 0; |
3599 | } | |
3600 | ||
355b3a98 MSS |
3601 | void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready) |
3602 | { | |
3603 | static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; | |
3604 | bool discon_issued; | |
3605 | ||
3606 | netif_stop_queue(vif->ndev); | |
3607 | ||
3608 | clear_bit(WLAN_ENABLED, &vif->flags); | |
3609 | ||
3610 | if (wmi_ready) { | |
3611 | discon_issued = test_bit(CONNECTED, &vif->flags) || | |
3612 | test_bit(CONNECT_PEND, &vif->flags); | |
3613 | ath6kl_disconnect(vif); | |
3614 | del_timer(&vif->disconnect_timer); | |
3615 | ||
3616 | if (discon_issued) | |
3617 | ath6kl_disconnect_event(vif, DISCONNECT_CMD, | |
3618 | (vif->nw_type & AP_NETWORK) ? | |
3619 | bcast_mac : vif->bssid, | |
3620 | 0, NULL, 0); | |
3621 | } | |
3622 | ||
3623 | if (vif->scan_req) { | |
1d76250b AS |
3624 | struct cfg80211_scan_info info = { |
3625 | .aborted = true, | |
3626 | }; | |
3627 | ||
3628 | cfg80211_scan_done(vif->scan_req, &info); | |
355b3a98 MSS |
3629 | vif->scan_req = NULL; |
3630 | } | |
3631 | ||
3632 | /* need to clean up enhanced bmiss detection fw state */ | |
3633 | ath6kl_cfg80211_sta_bmiss_enhance(vif, false); | |
3634 | } | |
3635 | ||
c25889e8 | 3636 | void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) |
8dafb70e | 3637 | { |
55055976 | 3638 | struct ath6kl *ar = vif->ar; |
80abaf9b | 3639 | struct ath6kl_mc_filter *mc_filter, *tmp; |
55055976 | 3640 | |
2132c69c | 3641 | aggr_module_destroy(vif->aggr_cntxt); |
8dafb70e | 3642 | |
55055976 VT |
3643 | ar->avail_idx_map |= BIT(vif->fw_vif_idx); |
3644 | ||
3645 | if (vif->nw_type == ADHOC_NETWORK) | |
3646 | ar->ibss_if_active = false; | |
3647 | ||
80abaf9b VT |
3648 | list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { |
3649 | list_del(&mc_filter->list); | |
3650 | kfree(mc_filter); | |
3651 | } | |
3652 | ||
2fe8ef10 | 3653 | cfg80211_unregister_netdevice(vif->ndev); |
55055976 VT |
3654 | |
3655 | ar->num_vif--; | |
8dafb70e VT |
3656 | } |
3657 | ||
13eff531 BG |
3658 | static const char ath6kl_gstrings_sta_stats[][ETH_GSTRING_LEN] = { |
3659 | /* Common stats names used by many drivers. */ | |
3660 | "tx_pkts_nic", "tx_bytes_nic", "rx_pkts_nic", "rx_bytes_nic", | |
3661 | ||
3662 | /* TX stats. */ | |
3663 | "d_tx_ucast_pkts", "d_tx_bcast_pkts", | |
3664 | "d_tx_ucast_bytes", "d_tx_bcast_bytes", | |
3665 | "d_tx_rts_ok", "d_tx_error", "d_tx_fail", | |
3666 | "d_tx_retry", "d_tx_multi_retry", "d_tx_rts_fail", | |
3667 | "d_tx_tkip_counter_measures", | |
3668 | ||
3669 | /* RX Stats. */ | |
3670 | "d_rx_ucast_pkts", "d_rx_ucast_rate", "d_rx_bcast_pkts", | |
3671 | "d_rx_ucast_bytes", "d_rx_bcast_bytes", "d_rx_frag_pkt", | |
3672 | "d_rx_error", "d_rx_crc_err", "d_rx_keycache_miss", | |
3673 | "d_rx_decrypt_crc_err", "d_rx_duplicate_frames", | |
3674 | "d_rx_mic_err", "d_rx_tkip_format_err", "d_rx_ccmp_format_err", | |
3675 | "d_rx_ccmp_replay_err", | |
3676 | ||
3677 | /* Misc stats. */ | |
3678 | "d_beacon_miss", "d_num_connects", "d_num_disconnects", | |
3679 | "d_beacon_avg_rssi", "d_arp_received", "d_arp_matched", | |
3680 | "d_arp_replied" | |
3681 | }; | |
3682 | ||
3683 | #define ATH6KL_STATS_LEN ARRAY_SIZE(ath6kl_gstrings_sta_stats) | |
3684 | ||
3685 | static int ath6kl_get_sset_count(struct net_device *dev, int sset) | |
3686 | { | |
3687 | int rv = 0; | |
3688 | ||
3689 | if (sset == ETH_SS_STATS) | |
3690 | rv += ATH6KL_STATS_LEN; | |
3691 | ||
3692 | if (rv == 0) | |
3693 | return -EOPNOTSUPP; | |
3694 | return rv; | |
3695 | } | |
3696 | ||
3697 | static void ath6kl_get_stats(struct net_device *dev, | |
3698 | struct ethtool_stats *stats, | |
3699 | u64 *data) | |
3700 | { | |
3701 | struct ath6kl_vif *vif = netdev_priv(dev); | |
3702 | struct ath6kl *ar = vif->ar; | |
3703 | int i = 0; | |
3704 | struct target_stats *tgt_stats; | |
3705 | ||
3706 | memset(data, 0, sizeof(u64) * ATH6KL_STATS_LEN); | |
3707 | ||
3708 | ath6kl_read_tgt_stats(ar, vif); | |
3709 | ||
3710 | tgt_stats = &vif->target_stats; | |
3711 | ||
3712 | data[i++] = tgt_stats->tx_ucast_pkt + tgt_stats->tx_bcast_pkt; | |
3713 | data[i++] = tgt_stats->tx_ucast_byte + tgt_stats->tx_bcast_byte; | |
3714 | data[i++] = tgt_stats->rx_ucast_pkt + tgt_stats->rx_bcast_pkt; | |
3715 | data[i++] = tgt_stats->rx_ucast_byte + tgt_stats->rx_bcast_byte; | |
3716 | ||
3717 | data[i++] = tgt_stats->tx_ucast_pkt; | |
3718 | data[i++] = tgt_stats->tx_bcast_pkt; | |
3719 | data[i++] = tgt_stats->tx_ucast_byte; | |
3720 | data[i++] = tgt_stats->tx_bcast_byte; | |
3721 | data[i++] = tgt_stats->tx_rts_success_cnt; | |
3722 | data[i++] = tgt_stats->tx_err; | |
3723 | data[i++] = tgt_stats->tx_fail_cnt; | |
3724 | data[i++] = tgt_stats->tx_retry_cnt; | |
3725 | data[i++] = tgt_stats->tx_mult_retry_cnt; | |
3726 | data[i++] = tgt_stats->tx_rts_fail_cnt; | |
3727 | data[i++] = tgt_stats->tkip_cnter_measures_invoked; | |
3728 | ||
3729 | data[i++] = tgt_stats->rx_ucast_pkt; | |
3730 | data[i++] = tgt_stats->rx_ucast_rate; | |
3731 | data[i++] = tgt_stats->rx_bcast_pkt; | |
3732 | data[i++] = tgt_stats->rx_ucast_byte; | |
3733 | data[i++] = tgt_stats->rx_bcast_byte; | |
3734 | data[i++] = tgt_stats->rx_frgment_pkt; | |
3735 | data[i++] = tgt_stats->rx_err; | |
3736 | data[i++] = tgt_stats->rx_crc_err; | |
3737 | data[i++] = tgt_stats->rx_key_cache_miss; | |
3738 | data[i++] = tgt_stats->rx_decrypt_err; | |
3739 | data[i++] = tgt_stats->rx_dupl_frame; | |
3740 | data[i++] = tgt_stats->tkip_local_mic_fail; | |
3741 | data[i++] = tgt_stats->tkip_fmt_err; | |
3742 | data[i++] = tgt_stats->ccmp_fmt_err; | |
3743 | data[i++] = tgt_stats->ccmp_replays; | |
3744 | ||
3745 | data[i++] = tgt_stats->cs_bmiss_cnt; | |
3746 | data[i++] = tgt_stats->cs_connect_cnt; | |
3747 | data[i++] = tgt_stats->cs_discon_cnt; | |
3748 | data[i++] = tgt_stats->cs_ave_beacon_rssi; | |
3749 | data[i++] = tgt_stats->arp_received; | |
3750 | data[i++] = tgt_stats->arp_matched; | |
3751 | data[i++] = tgt_stats->arp_replied; | |
3752 | ||
3753 | if (i != ATH6KL_STATS_LEN) { | |
3754 | WARN_ON_ONCE(1); | |
3755 | ath6kl_err("ethtool stats error, i: %d STATS_LEN: %d\n", | |
3756 | i, (int)ATH6KL_STATS_LEN); | |
3757 | } | |
3758 | } | |
3759 | ||
3760 | /* These stats are per NIC, not really per vdev, so we just ignore dev. */ | |
3761 | static void ath6kl_get_strings(struct net_device *dev, u32 sset, u8 *data) | |
3762 | { | |
3763 | int sz_sta_stats = 0; | |
3764 | ||
3765 | if (sset == ETH_SS_STATS) { | |
3766 | sz_sta_stats = sizeof(ath6kl_gstrings_sta_stats); | |
3767 | memcpy(data, ath6kl_gstrings_sta_stats, sz_sta_stats); | |
3768 | } | |
3769 | } | |
3770 | ||
3771 | static const struct ethtool_ops ath6kl_ethtool_ops = { | |
3772 | .get_drvinfo = cfg80211_get_drvinfo, | |
3773 | .get_link = ethtool_op_get_link, | |
3774 | .get_strings = ath6kl_get_strings, | |
3775 | .get_ethtool_stats = ath6kl_get_stats, | |
3776 | .get_sset_count = ath6kl_get_sset_count, | |
3777 | }; | |
3778 | ||
552bff0c | 3779 | struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name, |
6bab2e19 | 3780 | unsigned char name_assign_type, |
84efbb84 JB |
3781 | enum nl80211_iftype type, |
3782 | u8 fw_vif_idx, u8 nw_type) | |
8dafb70e VT |
3783 | { |
3784 | struct net_device *ndev; | |
108438bc | 3785 | struct ath6kl_vif *vif; |
f2e2a083 | 3786 | u8 addr[ETH_ALEN]; |
8dafb70e | 3787 | |
6bab2e19 | 3788 | ndev = alloc_netdev(sizeof(*vif), name, name_assign_type, ether_setup); |
8dafb70e VT |
3789 | if (!ndev) |
3790 | return NULL; | |
3791 | ||
108438bc VT |
3792 | vif = netdev_priv(ndev); |
3793 | ndev->ieee80211_ptr = &vif->wdev; | |
3794 | vif->wdev.wiphy = ar->wiphy; | |
3795 | vif->ar = ar; | |
108438bc VT |
3796 | vif->ndev = ndev; |
3797 | SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); | |
3798 | vif->wdev.netdev = ndev; | |
3799 | vif->wdev.iftype = type; | |
334234b5 | 3800 | vif->fw_vif_idx = fw_vif_idx; |
d0d670ab KV |
3801 | vif->nw_type = nw_type; |
3802 | vif->next_mode = nw_type; | |
8f46fccd | 3803 | vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; |
ce0dc0cf | 3804 | vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; |
eb38987e | 3805 | vif->bg_scan_period = 0; |
57fbcce3 JB |
3806 | vif->htcap[NL80211_BAND_2GHZ].ht_enable = true; |
3807 | vif->htcap[NL80211_BAND_5GHZ].ht_enable = true; | |
8dafb70e | 3808 | |
f2e2a083 | 3809 | ether_addr_copy(addr, ar->mac_addr); |
c95dcb59 | 3810 | if (fw_vif_idx != 0) { |
f2e2a083 | 3811 | addr[0] = (addr[0] ^ (1 << fw_vif_idx)) | 0x2; |
c95dcb59 AT |
3812 | if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, |
3813 | ar->fw_capabilities)) | |
f2e2a083 | 3814 | addr[4] ^= 0x80; |
c95dcb59 | 3815 | } |
f2e2a083 | 3816 | eth_hw_addr_set(ndev, addr); |
55055976 | 3817 | |
8dafb70e VT |
3818 | init_netdev(ndev); |
3819 | ||
e29f25f5 | 3820 | ath6kl_init_control_info(vif); |
8dafb70e | 3821 | |
c25889e8 | 3822 | if (ath6kl_cfg80211_vif_init(vif)) |
8dafb70e VT |
3823 | goto err; |
3824 | ||
13eff531 BG |
3825 | netdev_set_default_ethtool_ops(ndev, &ath6kl_ethtool_ops); |
3826 | ||
2fe8ef10 | 3827 | if (cfg80211_register_netdevice(ndev)) |
8dafb70e VT |
3828 | goto err; |
3829 | ||
55055976 | 3830 | ar->avail_idx_map &= ~BIT(fw_vif_idx); |
14ee6f6b | 3831 | vif->sme_state = SME_DISCONNECTED; |
59c98449 | 3832 | set_bit(WLAN_ENABLED, &vif->flags); |
8dafb70e | 3833 | ar->wlan_pwr_state = WLAN_POWER_STATE_ON; |
8dafb70e | 3834 | |
55055976 VT |
3835 | if (type == NL80211_IFTYPE_ADHOC) |
3836 | ar->ibss_if_active = true; | |
3837 | ||
11f6e40d | 3838 | spin_lock_bh(&ar->list_lock); |
990bd915 | 3839 | list_add_tail(&vif->list, &ar->vif_list); |
11f6e40d | 3840 | spin_unlock_bh(&ar->list_lock); |
990bd915 | 3841 | |
84efbb84 | 3842 | return &vif->wdev; |
8dafb70e VT |
3843 | |
3844 | err: | |
27929723 VT |
3845 | aggr_module_destroy(vif->aggr_cntxt); |
3846 | free_netdev(ndev); | |
8dafb70e VT |
3847 | return NULL; |
3848 | } | |
3849 | ||
964dc9e2 JB |
3850 | #ifdef CONFIG_PM |
3851 | static const struct wiphy_wowlan_support ath6kl_wowlan_support = { | |
3852 | .flags = WIPHY_WOWLAN_MAGIC_PKT | | |
3853 | WIPHY_WOWLAN_DISCONNECT | | |
3854 | WIPHY_WOWLAN_GTK_REKEY_FAILURE | | |
3855 | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | | |
3856 | WIPHY_WOWLAN_EAP_IDENTITY_REQ | | |
3857 | WIPHY_WOWLAN_4WAY_HANDSHAKE, | |
3858 | .n_patterns = WOW_MAX_FILTERS_PER_LIST, | |
3859 | .pattern_min_len = 1, | |
3860 | .pattern_max_len = WOW_PATTERN_SIZE, | |
3861 | }; | |
3862 | #endif | |
3863 | ||
46d33a21 KV |
3864 | int ath6kl_cfg80211_init(struct ath6kl *ar) |
3865 | { | |
3866 | struct wiphy *wiphy = ar->wiphy; | |
d92917e4 | 3867 | bool band_2gig = false, band_5gig = false, ht = false; |
46d33a21 KV |
3868 | int ret; |
3869 | ||
3870 | wiphy->mgmt_stypes = ath6kl_mgmt_stypes; | |
3871 | ||
3872 | wiphy->max_remain_on_channel_duration = 5000; | |
3873 | ||
3874 | /* set device pointer for wiphy */ | |
3875 | set_wiphy_dev(wiphy, ar->dev); | |
3876 | ||
3877 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
3878 | BIT(NL80211_IFTYPE_ADHOC) | | |
3879 | BIT(NL80211_IFTYPE_AP); | |
3880 | if (ar->p2p) { | |
3881 | wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | | |
3882 | BIT(NL80211_IFTYPE_P2P_CLIENT); | |
3883 | } | |
3884 | ||
97f2645f | 3885 | if (IS_ENABLED(CONFIG_ATH6KL_REGDOMAIN) && |
ff7e6867 | 3886 | test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) { |
84841ba2 | 3887 | wiphy->reg_notifier = ath6kl_cfg80211_reg_notify; |
ff7e6867 KV |
3888 | ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS; |
3889 | } | |
84841ba2 | 3890 | |
46d33a21 | 3891 | /* max num of ssids that can be probed during scanning */ |
8ab5415d | 3892 | wiphy->max_scan_ssids = MAX_PROBED_SSIDS; |
dd45b759 NS |
3893 | |
3894 | /* max num of ssids that can be matched after scan */ | |
3895 | if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, | |
3896 | ar->fw_capabilities)) | |
3897 | wiphy->max_match_sets = MAX_PROBED_SSIDS; | |
3898 | ||
46d33a21 | 3899 | wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ |
d92917e4 TP |
3900 | switch (ar->hw.cap) { |
3901 | case WMI_11AN_CAP: | |
3902 | ht = true; | |
8238bf0d | 3903 | fallthrough; |
d92917e4 TP |
3904 | case WMI_11A_CAP: |
3905 | band_5gig = true; | |
3906 | break; | |
3907 | case WMI_11GN_CAP: | |
3908 | ht = true; | |
8238bf0d | 3909 | fallthrough; |
d92917e4 TP |
3910 | case WMI_11G_CAP: |
3911 | band_2gig = true; | |
3912 | break; | |
3913 | case WMI_11AGN_CAP: | |
3914 | ht = true; | |
8238bf0d | 3915 | fallthrough; |
d92917e4 TP |
3916 | case WMI_11AG_CAP: |
3917 | band_2gig = true; | |
3918 | band_5gig = true; | |
3919 | break; | |
3920 | default: | |
3921 | ath6kl_err("invalid phy capability!\n"); | |
3922 | return -EINVAL; | |
3923 | } | |
3924 | ||
7fd1ce7e VT |
3925 | /* |
3926 | * Even if the fw has HT support, advertise HT cap only when | |
3927 | * the firmware has support to override RSN capability, otherwise | |
3928 | * 4-way handshake would fail. | |
3929 | */ | |
3930 | if (!(ht && | |
3931 | test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, | |
3932 | ar->fw_capabilities))) { | |
d92917e4 TP |
3933 | ath6kl_band_2ghz.ht_cap.cap = 0; |
3934 | ath6kl_band_2ghz.ht_cap.ht_supported = false; | |
3935 | ath6kl_band_5ghz.ht_cap.cap = 0; | |
3936 | ath6kl_band_5ghz.ht_cap.ht_supported = false; | |
7fd98524 BG |
3937 | |
3938 | if (ht) | |
3939 | ath6kl_err("Firmware lacks RSN-CAP-OVERRIDE, so HT (802.11n) is disabled."); | |
d92917e4 | 3940 | } |
06e360ac | 3941 | |
eba95bce KV |
3942 | if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES, |
3943 | ar->fw_capabilities)) { | |
06e360ac BS |
3944 | ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; |
3945 | ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; | |
3946 | ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff; | |
3947 | ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff; | |
26ca14d4 BG |
3948 | ar->hw.tx_ant = 0x3; /* mask, 2 antenna */ |
3949 | ar->hw.rx_ant = 0x3; | |
06e360ac BS |
3950 | } else { |
3951 | ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; | |
3952 | ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; | |
9c2e90ff BG |
3953 | ar->hw.tx_ant = 1; |
3954 | ar->hw.rx_ant = 1; | |
06e360ac BS |
3955 | } |
3956 | ||
9c2e90ff BG |
3957 | wiphy->available_antennas_tx = ar->hw.tx_ant; |
3958 | wiphy->available_antennas_rx = ar->hw.rx_ant; | |
3959 | ||
d92917e4 | 3960 | if (band_2gig) |
57fbcce3 | 3961 | wiphy->bands[NL80211_BAND_2GHZ] = &ath6kl_band_2ghz; |
d92917e4 | 3962 | if (band_5gig) |
57fbcce3 | 3963 | wiphy->bands[NL80211_BAND_5GHZ] = &ath6kl_band_5ghz; |
d92917e4 | 3964 | |
46d33a21 KV |
3965 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; |
3966 | ||
3967 | wiphy->cipher_suites = cipher_suites; | |
3968 | wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
3969 | ||
dfb89c56 | 3970 | #ifdef CONFIG_PM |
964dc9e2 | 3971 | wiphy->wowlan = &ath6kl_wowlan_support; |
dfb89c56 | 3972 | #endif |
46d33a21 | 3973 | |
8ab5415d | 3974 | wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS; |
46d33a21 | 3975 | |
f2afdac7 VT |
3976 | ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | |
3977 | WIPHY_FLAG_HAVE_AP_SME | | |
3978 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | | |
3979 | WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
3980 | ||
b1f47e3a | 3981 | if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities)) |
ca986ad9 | 3982 | ar->wiphy->max_sched_scan_reqs = 1; |
f2afdac7 | 3983 | |
03bdeb0d VT |
3984 | if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, |
3985 | ar->fw_capabilities)) | |
b292219f | 3986 | ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; |
03bdeb0d | 3987 | |
f2afdac7 VT |
3988 | ar->wiphy->probe_resp_offload = |
3989 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
3990 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | | |
a432e7cc | 3991 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; |
f2afdac7 | 3992 | |
46d33a21 KV |
3993 | ret = wiphy_register(wiphy); |
3994 | if (ret < 0) { | |
3995 | ath6kl_err("couldn't register wiphy device\n"); | |
3996 | return ret; | |
3997 | } | |
3998 | ||
e5348a1e VT |
3999 | ar->wiphy_registered = true; |
4000 | ||
46d33a21 KV |
4001 | return 0; |
4002 | } | |
4003 | ||
4004 | void ath6kl_cfg80211_cleanup(struct ath6kl *ar) | |
8dafb70e | 4005 | { |
be98e3a4 | 4006 | wiphy_unregister(ar->wiphy); |
e5348a1e VT |
4007 | |
4008 | ar->wiphy_registered = false; | |
45eaa78f | 4009 | } |
46d33a21 | 4010 | |
45eaa78f KV |
4011 | struct ath6kl *ath6kl_cfg80211_create(void) |
4012 | { | |
4013 | struct ath6kl *ar; | |
4014 | struct wiphy *wiphy; | |
4015 | ||
4016 | /* create a new wiphy for use with cfg80211 */ | |
4017 | wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); | |
4018 | ||
4019 | if (!wiphy) { | |
4020 | ath6kl_err("couldn't allocate wiphy device\n"); | |
4021 | return NULL; | |
4022 | } | |
4023 | ||
4024 | ar = wiphy_priv(wiphy); | |
4025 | ar->wiphy = wiphy; | |
4026 | ||
4027 | return ar; | |
4028 | } | |
4029 | ||
4030 | /* Note: ar variable must not be accessed after calling this! */ | |
4031 | void ath6kl_cfg80211_destroy(struct ath6kl *ar) | |
4032 | { | |
1d2a4456 VT |
4033 | int i; |
4034 | ||
4035 | for (i = 0; i < AP_MAX_NUM_STA; i++) | |
4036 | kfree(ar->sta_list[i].aggr_conn); | |
4037 | ||
be98e3a4 | 4038 | wiphy_free(ar->wiphy); |
bdcd8170 | 4039 | } |
45eaa78f | 4040 |