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 | ||
6eb07caf | 18 | #include <linux/moduleparam.h> |
c08631c6 | 19 | #include <linux/inetdevice.h> |
d6a434d6 | 20 | #include <linux/export.h> |
6eb07caf | 21 | |
bdcd8170 KV |
22 | #include "core.h" |
23 | #include "cfg80211.h" | |
24 | #include "debug.h" | |
abcb344b | 25 | #include "hif-ops.h" |
003353b0 | 26 | #include "testmode.h" |
bdcd8170 KV |
27 | |
28 | #define RATETAB_ENT(_rate, _rateid, _flags) { \ | |
29 | .bitrate = (_rate), \ | |
30 | .flags = (_flags), \ | |
31 | .hw_value = (_rateid), \ | |
32 | } | |
33 | ||
34 | #define CHAN2G(_channel, _freq, _flags) { \ | |
35 | .band = IEEE80211_BAND_2GHZ, \ | |
36 | .hw_value = (_channel), \ | |
37 | .center_freq = (_freq), \ | |
38 | .flags = (_flags), \ | |
39 | .max_antenna_gain = 0, \ | |
40 | .max_power = 30, \ | |
41 | } | |
42 | ||
43 | #define CHAN5G(_channel, _flags) { \ | |
44 | .band = IEEE80211_BAND_5GHZ, \ | |
45 | .hw_value = (_channel), \ | |
46 | .center_freq = 5000 + (5 * (_channel)), \ | |
47 | .flags = (_flags), \ | |
48 | .max_antenna_gain = 0, \ | |
49 | .max_power = 30, \ | |
50 | } | |
51 | ||
52 | static struct ieee80211_rate ath6kl_rates[] = { | |
53 | RATETAB_ENT(10, 0x1, 0), | |
54 | RATETAB_ENT(20, 0x2, 0), | |
55 | RATETAB_ENT(55, 0x4, 0), | |
56 | RATETAB_ENT(110, 0x8, 0), | |
57 | RATETAB_ENT(60, 0x10, 0), | |
58 | RATETAB_ENT(90, 0x20, 0), | |
59 | RATETAB_ENT(120, 0x40, 0), | |
60 | RATETAB_ENT(180, 0x80, 0), | |
61 | RATETAB_ENT(240, 0x100, 0), | |
62 | RATETAB_ENT(360, 0x200, 0), | |
63 | RATETAB_ENT(480, 0x400, 0), | |
64 | RATETAB_ENT(540, 0x800, 0), | |
65 | }; | |
66 | ||
67 | #define ath6kl_a_rates (ath6kl_rates + 4) | |
68 | #define ath6kl_a_rates_size 8 | |
69 | #define ath6kl_g_rates (ath6kl_rates + 0) | |
70 | #define ath6kl_g_rates_size 12 | |
71 | ||
faaf1929 VT |
72 | #define ath6kl_g_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \ |
73 | IEEE80211_HT_CAP_SGI_20 | \ | |
74 | IEEE80211_HT_CAP_SGI_40) | |
75 | ||
bdcd8170 KV |
76 | static struct ieee80211_channel ath6kl_2ghz_channels[] = { |
77 | CHAN2G(1, 2412, 0), | |
78 | CHAN2G(2, 2417, 0), | |
79 | CHAN2G(3, 2422, 0), | |
80 | CHAN2G(4, 2427, 0), | |
81 | CHAN2G(5, 2432, 0), | |
82 | CHAN2G(6, 2437, 0), | |
83 | CHAN2G(7, 2442, 0), | |
84 | CHAN2G(8, 2447, 0), | |
85 | CHAN2G(9, 2452, 0), | |
86 | CHAN2G(10, 2457, 0), | |
87 | CHAN2G(11, 2462, 0), | |
88 | CHAN2G(12, 2467, 0), | |
89 | CHAN2G(13, 2472, 0), | |
90 | CHAN2G(14, 2484, 0), | |
91 | }; | |
92 | ||
93 | static struct ieee80211_channel ath6kl_5ghz_a_channels[] = { | |
94 | CHAN5G(34, 0), CHAN5G(36, 0), | |
95 | CHAN5G(38, 0), CHAN5G(40, 0), | |
96 | CHAN5G(42, 0), CHAN5G(44, 0), | |
97 | CHAN5G(46, 0), CHAN5G(48, 0), | |
98 | CHAN5G(52, 0), CHAN5G(56, 0), | |
99 | CHAN5G(60, 0), CHAN5G(64, 0), | |
100 | CHAN5G(100, 0), CHAN5G(104, 0), | |
101 | CHAN5G(108, 0), CHAN5G(112, 0), | |
102 | CHAN5G(116, 0), CHAN5G(120, 0), | |
103 | CHAN5G(124, 0), CHAN5G(128, 0), | |
104 | CHAN5G(132, 0), CHAN5G(136, 0), | |
105 | CHAN5G(140, 0), CHAN5G(149, 0), | |
106 | CHAN5G(153, 0), CHAN5G(157, 0), | |
107 | CHAN5G(161, 0), CHAN5G(165, 0), | |
108 | CHAN5G(184, 0), CHAN5G(188, 0), | |
109 | CHAN5G(192, 0), CHAN5G(196, 0), | |
110 | CHAN5G(200, 0), CHAN5G(204, 0), | |
111 | CHAN5G(208, 0), CHAN5G(212, 0), | |
112 | CHAN5G(216, 0), | |
113 | }; | |
114 | ||
115 | static struct ieee80211_supported_band ath6kl_band_2ghz = { | |
116 | .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels), | |
117 | .channels = ath6kl_2ghz_channels, | |
118 | .n_bitrates = ath6kl_g_rates_size, | |
119 | .bitrates = ath6kl_g_rates, | |
faaf1929 VT |
120 | .ht_cap.cap = ath6kl_g_htcap, |
121 | .ht_cap.ht_supported = true, | |
bdcd8170 KV |
122 | }; |
123 | ||
124 | static struct ieee80211_supported_band ath6kl_band_5ghz = { | |
125 | .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels), | |
126 | .channels = ath6kl_5ghz_a_channels, | |
127 | .n_bitrates = ath6kl_a_rates_size, | |
128 | .bitrates = ath6kl_a_rates, | |
faaf1929 VT |
129 | .ht_cap.cap = ath6kl_g_htcap, |
130 | .ht_cap.ht_supported = true, | |
bdcd8170 KV |
131 | }; |
132 | ||
837cb97e JM |
133 | #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */ |
134 | ||
10509f90 KV |
135 | /* returns true if scheduled scan was stopped */ |
136 | static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif) | |
137 | { | |
138 | struct ath6kl *ar = vif->ar; | |
139 | ||
140 | if (ar->state != ATH6KL_STATE_SCHED_SCAN) | |
141 | return false; | |
142 | ||
143 | del_timer_sync(&vif->sched_scan_timer); | |
144 | ||
145 | ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
146 | ATH6KL_HOST_MODE_AWAKE); | |
147 | ||
148 | ar->state = ATH6KL_STATE_ON; | |
149 | ||
150 | return true; | |
151 | } | |
152 | ||
153 | static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif) | |
154 | { | |
155 | struct ath6kl *ar = vif->ar; | |
156 | bool stopped; | |
157 | ||
158 | stopped = __ath6kl_cfg80211_sscan_stop(vif); | |
159 | ||
160 | if (!stopped) | |
161 | return; | |
162 | ||
163 | cfg80211_sched_scan_stopped(ar->wiphy); | |
164 | } | |
165 | ||
240d2799 | 166 | static int ath6kl_set_wpa_version(struct ath6kl_vif *vif, |
bdcd8170 KV |
167 | enum nl80211_wpa_versions wpa_version) |
168 | { | |
169 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version); | |
170 | ||
171 | if (!wpa_version) { | |
3450334f | 172 | vif->auth_mode = NONE_AUTH; |
bdcd8170 | 173 | } else if (wpa_version & NL80211_WPA_VERSION_2) { |
3450334f | 174 | vif->auth_mode = WPA2_AUTH; |
bdcd8170 | 175 | } else if (wpa_version & NL80211_WPA_VERSION_1) { |
3450334f | 176 | vif->auth_mode = WPA_AUTH; |
bdcd8170 KV |
177 | } else { |
178 | ath6kl_err("%s: %u not supported\n", __func__, wpa_version); | |
179 | return -ENOTSUPP; | |
180 | } | |
181 | ||
182 | return 0; | |
183 | } | |
184 | ||
240d2799 | 185 | static int ath6kl_set_auth_type(struct ath6kl_vif *vif, |
bdcd8170 KV |
186 | enum nl80211_auth_type auth_type) |
187 | { | |
bdcd8170 KV |
188 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type); |
189 | ||
190 | switch (auth_type) { | |
191 | case NL80211_AUTHTYPE_OPEN_SYSTEM: | |
3450334f | 192 | vif->dot11_auth_mode = OPEN_AUTH; |
bdcd8170 KV |
193 | break; |
194 | case NL80211_AUTHTYPE_SHARED_KEY: | |
3450334f | 195 | vif->dot11_auth_mode = SHARED_AUTH; |
bdcd8170 KV |
196 | break; |
197 | case NL80211_AUTHTYPE_NETWORK_EAP: | |
3450334f | 198 | vif->dot11_auth_mode = LEAP_AUTH; |
bdcd8170 KV |
199 | break; |
200 | ||
201 | case NL80211_AUTHTYPE_AUTOMATIC: | |
3450334f | 202 | vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH; |
bdcd8170 KV |
203 | break; |
204 | ||
205 | default: | |
3c325fbd | 206 | ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type); |
bdcd8170 KV |
207 | return -ENOTSUPP; |
208 | } | |
209 | ||
210 | return 0; | |
211 | } | |
212 | ||
240d2799 | 213 | static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast) |
bdcd8170 | 214 | { |
3450334f VT |
215 | u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto; |
216 | u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len : | |
217 | &vif->grp_crypto_len; | |
bdcd8170 KV |
218 | |
219 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n", | |
220 | __func__, cipher, ucast); | |
221 | ||
222 | switch (cipher) { | |
223 | case 0: | |
224 | /* our own hack to use value 0 as no crypto used */ | |
225 | *ar_cipher = NONE_CRYPT; | |
226 | *ar_cipher_len = 0; | |
227 | break; | |
228 | case WLAN_CIPHER_SUITE_WEP40: | |
229 | *ar_cipher = WEP_CRYPT; | |
230 | *ar_cipher_len = 5; | |
231 | break; | |
232 | case WLAN_CIPHER_SUITE_WEP104: | |
233 | *ar_cipher = WEP_CRYPT; | |
234 | *ar_cipher_len = 13; | |
235 | break; | |
236 | case WLAN_CIPHER_SUITE_TKIP: | |
237 | *ar_cipher = TKIP_CRYPT; | |
238 | *ar_cipher_len = 0; | |
239 | break; | |
240 | case WLAN_CIPHER_SUITE_CCMP: | |
241 | *ar_cipher = AES_CRYPT; | |
242 | *ar_cipher_len = 0; | |
243 | break; | |
5e07021e DS |
244 | case WLAN_CIPHER_SUITE_SMS4: |
245 | *ar_cipher = WAPI_CRYPT; | |
246 | *ar_cipher_len = 0; | |
247 | break; | |
bdcd8170 KV |
248 | default: |
249 | ath6kl_err("cipher 0x%x not supported\n", cipher); | |
250 | return -ENOTSUPP; | |
251 | } | |
252 | ||
253 | return 0; | |
254 | } | |
255 | ||
240d2799 | 256 | static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt) |
bdcd8170 KV |
257 | { |
258 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt); | |
259 | ||
260 | if (key_mgmt == WLAN_AKM_SUITE_PSK) { | |
3450334f VT |
261 | if (vif->auth_mode == WPA_AUTH) |
262 | vif->auth_mode = WPA_PSK_AUTH; | |
263 | else if (vif->auth_mode == WPA2_AUTH) | |
264 | vif->auth_mode = WPA2_PSK_AUTH; | |
837cb97e | 265 | } else if (key_mgmt == 0x00409600) { |
3450334f VT |
266 | if (vif->auth_mode == WPA_AUTH) |
267 | vif->auth_mode = WPA_AUTH_CCKM; | |
268 | else if (vif->auth_mode == WPA2_AUTH) | |
269 | vif->auth_mode = WPA2_AUTH_CCKM; | |
bdcd8170 | 270 | } else if (key_mgmt != WLAN_AKM_SUITE_8021X) { |
3450334f | 271 | vif->auth_mode = NONE_AUTH; |
bdcd8170 KV |
272 | } |
273 | } | |
274 | ||
990bd915 | 275 | static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif) |
bdcd8170 | 276 | { |
990bd915 | 277 | struct ath6kl *ar = vif->ar; |
59c98449 | 278 | |
bdcd8170 KV |
279 | if (!test_bit(WMI_READY, &ar->flag)) { |
280 | ath6kl_err("wmi is not ready\n"); | |
281 | return false; | |
282 | } | |
283 | ||
59c98449 | 284 | if (!test_bit(WLAN_ENABLED, &vif->flags)) { |
bdcd8170 KV |
285 | ath6kl_err("wlan disabled\n"); |
286 | return false; | |
287 | } | |
288 | ||
289 | return true; | |
290 | } | |
291 | ||
6981ffdc KF |
292 | static bool ath6kl_is_wpa_ie(const u8 *pos) |
293 | { | |
294 | return pos[0] == WLAN_EID_WPA && pos[1] >= 4 && | |
295 | pos[2] == 0x00 && pos[3] == 0x50 && | |
296 | pos[4] == 0xf2 && pos[5] == 0x01; | |
297 | } | |
298 | ||
299 | static bool ath6kl_is_rsn_ie(const u8 *pos) | |
300 | { | |
301 | return pos[0] == WLAN_EID_RSN; | |
302 | } | |
303 | ||
63541212 AT |
304 | static bool ath6kl_is_wps_ie(const u8 *pos) |
305 | { | |
306 | return (pos[0] == WLAN_EID_VENDOR_SPECIFIC && | |
307 | pos[1] >= 4 && | |
308 | pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 && | |
309 | pos[5] == 0x04); | |
310 | } | |
311 | ||
334234b5 VT |
312 | static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies, |
313 | size_t ies_len) | |
6981ffdc | 314 | { |
334234b5 | 315 | struct ath6kl *ar = vif->ar; |
6981ffdc KF |
316 | const u8 *pos; |
317 | u8 *buf = NULL; | |
318 | size_t len = 0; | |
319 | int ret; | |
320 | ||
63541212 AT |
321 | /* |
322 | * Clear previously set flag | |
323 | */ | |
324 | ||
325 | ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; | |
326 | ||
6981ffdc KF |
327 | /* |
328 | * Filter out RSN/WPA IE(s) | |
329 | */ | |
330 | ||
331 | if (ies && ies_len) { | |
332 | buf = kmalloc(ies_len, GFP_KERNEL); | |
333 | if (buf == NULL) | |
334 | return -ENOMEM; | |
335 | pos = ies; | |
336 | ||
337 | while (pos + 1 < ies + ies_len) { | |
338 | if (pos + 2 + pos[1] > ies + ies_len) | |
339 | break; | |
340 | if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) { | |
341 | memcpy(buf + len, pos, 2 + pos[1]); | |
342 | len += 2 + pos[1]; | |
343 | } | |
63541212 AT |
344 | |
345 | if (ath6kl_is_wps_ie(pos)) | |
346 | ar->connect_ctrl_flags |= CONNECT_WPS_FLAG; | |
347 | ||
6981ffdc KF |
348 | pos += 2 + pos[1]; |
349 | } | |
350 | } | |
351 | ||
334234b5 VT |
352 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
353 | WMI_FRAME_ASSOC_REQ, buf, len); | |
6981ffdc KF |
354 | kfree(buf); |
355 | return ret; | |
356 | } | |
357 | ||
55055976 VT |
358 | static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type) |
359 | { | |
360 | switch (type) { | |
361 | case NL80211_IFTYPE_STATION: | |
362 | *nw_type = INFRA_NETWORK; | |
363 | break; | |
364 | case NL80211_IFTYPE_ADHOC: | |
365 | *nw_type = ADHOC_NETWORK; | |
366 | break; | |
367 | case NL80211_IFTYPE_AP: | |
368 | *nw_type = AP_NETWORK; | |
369 | break; | |
370 | case NL80211_IFTYPE_P2P_CLIENT: | |
371 | *nw_type = INFRA_NETWORK; | |
372 | break; | |
373 | case NL80211_IFTYPE_P2P_GO: | |
374 | *nw_type = AP_NETWORK; | |
375 | break; | |
376 | default: | |
377 | ath6kl_err("invalid interface type %u\n", type); | |
378 | return -ENOTSUPP; | |
379 | } | |
380 | ||
381 | return 0; | |
382 | } | |
383 | ||
384 | static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type, | |
385 | u8 *if_idx, u8 *nw_type) | |
386 | { | |
387 | int i; | |
388 | ||
389 | if (ath6kl_nliftype_to_drv_iftype(type, nw_type)) | |
390 | return false; | |
391 | ||
392 | if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) && | |
96f1fadc | 393 | ar->num_vif)) |
55055976 VT |
394 | return false; |
395 | ||
396 | if (type == NL80211_IFTYPE_STATION || | |
397 | type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) { | |
71f96ee6 | 398 | for (i = 0; i < ar->vif_max; i++) { |
55055976 VT |
399 | if ((ar->avail_idx_map >> i) & BIT(0)) { |
400 | *if_idx = i; | |
401 | return true; | |
402 | } | |
403 | } | |
404 | } | |
405 | ||
3226f68a VT |
406 | if (type == NL80211_IFTYPE_P2P_CLIENT || |
407 | type == NL80211_IFTYPE_P2P_GO) { | |
71f96ee6 | 408 | for (i = ar->max_norm_iface; i < ar->vif_max; i++) { |
3226f68a VT |
409 | if ((ar->avail_idx_map >> i) & BIT(0)) { |
410 | *if_idx = i; | |
411 | return true; | |
412 | } | |
413 | } | |
414 | } | |
415 | ||
55055976 VT |
416 | return false; |
417 | } | |
418 | ||
8c9bb054 KV |
419 | static bool ath6kl_is_tx_pending(struct ath6kl *ar) |
420 | { | |
421 | return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0; | |
422 | } | |
423 | ||
424 | ||
bdcd8170 KV |
425 | static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, |
426 | struct cfg80211_connect_params *sme) | |
427 | { | |
428 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 429 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 | 430 | int status; |
3ca9d1fc | 431 | u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE; |
ce0dc0cf | 432 | u16 interval; |
bdcd8170 | 433 | |
10509f90 KV |
434 | ath6kl_cfg80211_sscan_disable(vif); |
435 | ||
14ee6f6b | 436 | vif->sme_state = SME_CONNECTING; |
bdcd8170 | 437 | |
990bd915 | 438 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
439 | return -EIO; |
440 | ||
441 | if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { | |
442 | ath6kl_err("destroy in progress\n"); | |
443 | return -EBUSY; | |
444 | } | |
445 | ||
446 | if (test_bit(SKIP_SCAN, &ar->flag) && | |
447 | ((sme->channel && sme->channel->center_freq == 0) || | |
448 | (sme->bssid && is_zero_ether_addr(sme->bssid)))) { | |
449 | ath6kl_err("SkipScan: channel or bssid invalid\n"); | |
450 | return -EINVAL; | |
451 | } | |
452 | ||
453 | if (down_interruptible(&ar->sem)) { | |
454 | ath6kl_err("busy, couldn't get access\n"); | |
455 | return -ERESTARTSYS; | |
456 | } | |
457 | ||
458 | if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { | |
459 | ath6kl_err("busy, destroy in progress\n"); | |
460 | up(&ar->sem); | |
461 | return -EBUSY; | |
462 | } | |
463 | ||
464 | if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) { | |
465 | /* | |
466 | * sleep until the command queue drains | |
467 | */ | |
468 | wait_event_interruptible_timeout(ar->event_wq, | |
8c9bb054 KV |
469 | ath6kl_is_tx_pending(ar), |
470 | WMI_TIMEOUT); | |
bdcd8170 KV |
471 | if (signal_pending(current)) { |
472 | ath6kl_err("cmd queue drain timeout\n"); | |
473 | up(&ar->sem); | |
474 | return -EINTR; | |
475 | } | |
476 | } | |
477 | ||
6e786cb1 JM |
478 | status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len); |
479 | if (status) { | |
480 | up(&ar->sem); | |
481 | return status; | |
482 | } | |
483 | ||
484 | if (sme->ie == NULL || sme->ie_len == 0) | |
542c519a | 485 | ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; |
6981ffdc | 486 | |
59c98449 | 487 | if (test_bit(CONNECTED, &vif->flags) && |
3450334f VT |
488 | vif->ssid_len == sme->ssid_len && |
489 | !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { | |
cf5333d7 | 490 | vif->reconnect_flag = true; |
334234b5 VT |
491 | status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx, |
492 | vif->req_bssid, | |
f74bac54 | 493 | vif->ch_hint); |
bdcd8170 KV |
494 | |
495 | up(&ar->sem); | |
496 | if (status) { | |
497 | ath6kl_err("wmi_reconnect_cmd failed\n"); | |
498 | return -EIO; | |
499 | } | |
500 | return 0; | |
3450334f VT |
501 | } else if (vif->ssid_len == sme->ssid_len && |
502 | !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { | |
240d2799 | 503 | ath6kl_disconnect(vif); |
bdcd8170 KV |
504 | } |
505 | ||
3450334f VT |
506 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
507 | vif->ssid_len = sme->ssid_len; | |
508 | memcpy(vif->ssid, sme->ssid, sme->ssid_len); | |
bdcd8170 KV |
509 | |
510 | if (sme->channel) | |
f74bac54 | 511 | vif->ch_hint = sme->channel->center_freq; |
bdcd8170 | 512 | |
8c8b65e3 | 513 | memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
bdcd8170 | 514 | if (sme->bssid && !is_broadcast_ether_addr(sme->bssid)) |
8c8b65e3 | 515 | memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid)); |
bdcd8170 | 516 | |
240d2799 | 517 | ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions); |
bdcd8170 | 518 | |
240d2799 | 519 | status = ath6kl_set_auth_type(vif, sme->auth_type); |
bdcd8170 KV |
520 | if (status) { |
521 | up(&ar->sem); | |
522 | return status; | |
523 | } | |
524 | ||
525 | if (sme->crypto.n_ciphers_pairwise) | |
240d2799 | 526 | ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true); |
bdcd8170 | 527 | else |
240d2799 | 528 | ath6kl_set_cipher(vif, 0, true); |
bdcd8170 | 529 | |
240d2799 | 530 | ath6kl_set_cipher(vif, sme->crypto.cipher_group, false); |
bdcd8170 KV |
531 | |
532 | if (sme->crypto.n_akm_suites) | |
240d2799 | 533 | ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]); |
bdcd8170 KV |
534 | |
535 | if ((sme->key_len) && | |
3450334f VT |
536 | (vif->auth_mode == NONE_AUTH) && |
537 | (vif->prwise_crypto == WEP_CRYPT)) { | |
bdcd8170 KV |
538 | struct ath6kl_key *key = NULL; |
539 | ||
792ecb33 | 540 | if (sme->key_idx > WMI_MAX_KEY_INDEX) { |
bdcd8170 KV |
541 | ath6kl_err("key index %d out of bounds\n", |
542 | sme->key_idx); | |
543 | up(&ar->sem); | |
544 | return -ENOENT; | |
545 | } | |
546 | ||
6f2a73f9 | 547 | key = &vif->keys[sme->key_idx]; |
bdcd8170 KV |
548 | key->key_len = sme->key_len; |
549 | memcpy(key->key, sme->key, key->key_len); | |
3450334f VT |
550 | key->cipher = vif->prwise_crypto; |
551 | vif->def_txkey_index = sme->key_idx; | |
bdcd8170 | 552 | |
334234b5 | 553 | ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx, |
3450334f | 554 | vif->prwise_crypto, |
bdcd8170 KV |
555 | GROUP_USAGE | TX_USAGE, |
556 | key->key_len, | |
f4bb9a6f | 557 | NULL, 0, |
bdcd8170 KV |
558 | key->key, KEY_OP_INIT_VAL, NULL, |
559 | NO_SYNC_WMIFLAG); | |
560 | } | |
561 | ||
562 | if (!ar->usr_bss_filter) { | |
59c98449 | 563 | clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); |
240d2799 | 564 | if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, |
96f1fadc | 565 | ALL_BSS_FILTER, 0) != 0) { |
bdcd8170 KV |
566 | ath6kl_err("couldn't set bss filtering\n"); |
567 | up(&ar->sem); | |
568 | return -EIO; | |
569 | } | |
570 | } | |
571 | ||
f5938f24 | 572 | vif->nw_type = vif->next_mode; |
bdcd8170 | 573 | |
3ca9d1fc AT |
574 | if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) |
575 | nw_subtype = SUBTYPE_P2PCLIENT; | |
576 | ||
bdcd8170 KV |
577 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
578 | "%s: connect called with authmode %d dot11 auth %d" | |
579 | " PW crypto %d PW crypto len %d GRP crypto %d" | |
580 | " GRP crypto len %d channel hint %u\n", | |
581 | __func__, | |
3450334f VT |
582 | vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, |
583 | vif->prwise_crypto_len, vif->grp_crypto, | |
f74bac54 | 584 | vif->grp_crypto_len, vif->ch_hint); |
bdcd8170 | 585 | |
cf5333d7 | 586 | vif->reconnect_flag = 0; |
ce0dc0cf RM |
587 | |
588 | if (vif->nw_type == INFRA_NETWORK) { | |
b5283871 KV |
589 | interval = max_t(u16, vif->listen_intvl_t, |
590 | ATH6KL_MAX_WOW_LISTEN_INTL); | |
ce0dc0cf RM |
591 | status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, |
592 | interval, | |
593 | 0); | |
594 | if (status) { | |
595 | ath6kl_err("couldn't set listen intervel\n"); | |
596 | up(&ar->sem); | |
597 | return status; | |
598 | } | |
599 | } | |
600 | ||
334234b5 | 601 | status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, |
3450334f VT |
602 | vif->dot11_auth_mode, vif->auth_mode, |
603 | vif->prwise_crypto, | |
604 | vif->prwise_crypto_len, | |
605 | vif->grp_crypto, vif->grp_crypto_len, | |
606 | vif->ssid_len, vif->ssid, | |
f74bac54 | 607 | vif->req_bssid, vif->ch_hint, |
3ca9d1fc | 608 | ar->connect_ctrl_flags, nw_subtype); |
bdcd8170 KV |
609 | |
610 | up(&ar->sem); | |
611 | ||
612 | if (status == -EINVAL) { | |
3450334f VT |
613 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
614 | vif->ssid_len = 0; | |
bdcd8170 KV |
615 | ath6kl_err("invalid request\n"); |
616 | return -ENOENT; | |
617 | } else if (status) { | |
618 | ath6kl_err("ath6kl_wmi_connect_cmd failed\n"); | |
619 | return -EIO; | |
620 | } | |
621 | ||
622 | if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) && | |
ddc3d77c KV |
623 | ((vif->auth_mode == WPA_PSK_AUTH) || |
624 | (vif->auth_mode == WPA2_PSK_AUTH))) { | |
de3ad713 | 625 | mod_timer(&vif->disconnect_timer, |
bdcd8170 KV |
626 | jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL)); |
627 | } | |
628 | ||
629 | ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD; | |
59c98449 | 630 | set_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 KV |
631 | |
632 | return 0; | |
633 | } | |
634 | ||
5e13fd35 VT |
635 | static struct cfg80211_bss * |
636 | ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, | |
637 | enum network_type nw_type, | |
638 | const u8 *bssid, | |
639 | struct ieee80211_channel *chan, | |
640 | const u8 *beacon_ie, | |
641 | size_t beacon_ie_len) | |
01cac476 | 642 | { |
240d2799 | 643 | struct ath6kl *ar = vif->ar; |
01cac476 | 644 | struct cfg80211_bss *bss; |
4eab6f4f | 645 | u16 cap_mask, cap_val; |
01cac476 JM |
646 | u8 *ie; |
647 | ||
4eab6f4f RM |
648 | if (nw_type & ADHOC_NETWORK) { |
649 | cap_mask = WLAN_CAPABILITY_IBSS; | |
650 | cap_val = WLAN_CAPABILITY_IBSS; | |
651 | } else { | |
652 | cap_mask = WLAN_CAPABILITY_ESS; | |
653 | cap_val = WLAN_CAPABILITY_ESS; | |
654 | } | |
655 | ||
be98e3a4 | 656 | bss = cfg80211_get_bss(ar->wiphy, chan, bssid, |
4eab6f4f RM |
657 | vif->ssid, vif->ssid_len, |
658 | cap_mask, cap_val); | |
01cac476 JM |
659 | if (bss == NULL) { |
660 | /* | |
661 | * Since cfg80211 may not yet know about the BSS, | |
662 | * generate a partial entry until the first BSS info | |
663 | * event becomes available. | |
664 | * | |
665 | * Prepend SSID element since it is not included in the Beacon | |
666 | * IEs from the target. | |
667 | */ | |
3450334f | 668 | ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL); |
01cac476 | 669 | if (ie == NULL) |
5e13fd35 | 670 | return NULL; |
01cac476 | 671 | ie[0] = WLAN_EID_SSID; |
3450334f VT |
672 | ie[1] = vif->ssid_len; |
673 | memcpy(ie + 2, vif->ssid, vif->ssid_len); | |
674 | memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len); | |
be98e3a4 | 675 | bss = cfg80211_inform_bss(ar->wiphy, chan, |
4eab6f4f | 676 | bssid, 0, cap_val, 100, |
3450334f | 677 | ie, 2 + vif->ssid_len + beacon_ie_len, |
01cac476 JM |
678 | 0, GFP_KERNEL); |
679 | if (bss) | |
4eab6f4f RM |
680 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "added bss %pM to " |
681 | "cfg80211\n", bssid); | |
01cac476 JM |
682 | kfree(ie); |
683 | } else | |
5e13fd35 | 684 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n"); |
01cac476 | 685 | |
5e13fd35 | 686 | return bss; |
01cac476 JM |
687 | } |
688 | ||
240d2799 | 689 | void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, |
bdcd8170 KV |
690 | u8 *bssid, u16 listen_intvl, |
691 | u16 beacon_intvl, | |
692 | enum network_type nw_type, | |
693 | u8 beacon_ie_len, u8 assoc_req_len, | |
694 | u8 assoc_resp_len, u8 *assoc_info) | |
695 | { | |
01cac476 | 696 | struct ieee80211_channel *chan; |
240d2799 | 697 | struct ath6kl *ar = vif->ar; |
5e13fd35 | 698 | struct cfg80211_bss *bss; |
bdcd8170 KV |
699 | |
700 | /* capinfo + listen interval */ | |
701 | u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16); | |
702 | ||
703 | /* capinfo + status code + associd */ | |
704 | u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16); | |
705 | ||
706 | u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset; | |
707 | u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len + | |
708 | assoc_resp_ie_offset; | |
709 | ||
710 | assoc_req_len -= assoc_req_ie_offset; | |
711 | assoc_resp_len -= assoc_resp_ie_offset; | |
712 | ||
32c10874 JM |
713 | /* |
714 | * Store Beacon interval here; DTIM period will be available only once | |
715 | * a Beacon frame from the AP is seen. | |
716 | */ | |
cf5333d7 | 717 | vif->assoc_bss_beacon_int = beacon_intvl; |
59c98449 | 718 | clear_bit(DTIM_PERIOD_AVAIL, &vif->flags); |
32c10874 | 719 | |
bdcd8170 | 720 | if (nw_type & ADHOC_NETWORK) { |
551959d8 | 721 | if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { |
bdcd8170 KV |
722 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
723 | "%s: ath6k not in ibss mode\n", __func__); | |
724 | return; | |
725 | } | |
726 | } | |
727 | ||
728 | if (nw_type & INFRA_NETWORK) { | |
551959d8 VT |
729 | if (vif->wdev.iftype != NL80211_IFTYPE_STATION && |
730 | vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { | |
bdcd8170 KV |
731 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
732 | "%s: ath6k not in station mode\n", __func__); | |
733 | return; | |
734 | } | |
735 | } | |
736 | ||
be98e3a4 | 737 | chan = ieee80211_get_channel(ar->wiphy, (int) channel); |
bdcd8170 | 738 | |
5e13fd35 VT |
739 | bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, |
740 | assoc_info, beacon_ie_len); | |
741 | if (!bss) { | |
4eab6f4f | 742 | ath6kl_err("could not add cfg80211 bss entry\n"); |
bdcd8170 KV |
743 | return; |
744 | } | |
745 | ||
4eab6f4f RM |
746 | if (nw_type & ADHOC_NETWORK) { |
747 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", | |
748 | nw_type & ADHOC_CREATOR ? "creator" : "joiner"); | |
749 | cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); | |
5e13fd35 | 750 | cfg80211_put_bss(bss); |
bdcd8170 KV |
751 | return; |
752 | } | |
753 | ||
14ee6f6b | 754 | if (vif->sme_state == SME_CONNECTING) { |
bdcd8170 | 755 | /* inform connect result to cfg80211 */ |
14ee6f6b | 756 | vif->sme_state = SME_CONNECTED; |
240d2799 | 757 | cfg80211_connect_result(vif->ndev, bssid, |
bdcd8170 KV |
758 | assoc_req_ie, assoc_req_len, |
759 | assoc_resp_ie, assoc_resp_len, | |
760 | WLAN_STATUS_SUCCESS, GFP_KERNEL); | |
5e13fd35 | 761 | cfg80211_put_bss(bss); |
14ee6f6b | 762 | } else if (vif->sme_state == SME_CONNECTED) { |
bdcd8170 | 763 | /* inform roam event to cfg80211 */ |
5e13fd35 VT |
764 | cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len, |
765 | assoc_resp_ie, assoc_resp_len, GFP_KERNEL); | |
bdcd8170 KV |
766 | } |
767 | } | |
768 | ||
769 | static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy, | |
770 | struct net_device *dev, u16 reason_code) | |
771 | { | |
d6d5c06c | 772 | struct ath6kl *ar = ath6kl_priv(dev); |
3450334f | 773 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
774 | |
775 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__, | |
776 | reason_code); | |
777 | ||
10509f90 KV |
778 | ath6kl_cfg80211_sscan_disable(vif); |
779 | ||
990bd915 | 780 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
781 | return -EIO; |
782 | ||
783 | if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { | |
784 | ath6kl_err("busy, destroy in progress\n"); | |
785 | return -EBUSY; | |
786 | } | |
787 | ||
788 | if (down_interruptible(&ar->sem)) { | |
789 | ath6kl_err("busy, couldn't get access\n"); | |
790 | return -ERESTARTSYS; | |
791 | } | |
792 | ||
cf5333d7 | 793 | vif->reconnect_flag = 0; |
240d2799 | 794 | ath6kl_disconnect(vif); |
3450334f VT |
795 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
796 | vif->ssid_len = 0; | |
bdcd8170 KV |
797 | |
798 | if (!test_bit(SKIP_SCAN, &ar->flag)) | |
8c8b65e3 | 799 | memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
bdcd8170 KV |
800 | |
801 | up(&ar->sem); | |
802 | ||
14ee6f6b | 803 | vif->sme_state = SME_DISCONNECTED; |
170826dd | 804 | |
bdcd8170 KV |
805 | return 0; |
806 | } | |
807 | ||
240d2799 | 808 | void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, |
bdcd8170 KV |
809 | u8 *bssid, u8 assoc_resp_len, |
810 | u8 *assoc_info, u16 proto_reason) | |
811 | { | |
240d2799 | 812 | struct ath6kl *ar = vif->ar; |
59c98449 | 813 | |
14ee6f6b VT |
814 | if (vif->scan_req) { |
815 | cfg80211_scan_done(vif->scan_req, true); | |
816 | vif->scan_req = NULL; | |
bdcd8170 KV |
817 | } |
818 | ||
f5938f24 | 819 | if (vif->nw_type & ADHOC_NETWORK) { |
551959d8 | 820 | if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { |
bdcd8170 KV |
821 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
822 | "%s: ath6k not in ibss mode\n", __func__); | |
823 | return; | |
824 | } | |
825 | memset(bssid, 0, ETH_ALEN); | |
240d2799 | 826 | cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); |
bdcd8170 KV |
827 | return; |
828 | } | |
829 | ||
f5938f24 | 830 | if (vif->nw_type & INFRA_NETWORK) { |
551959d8 VT |
831 | if (vif->wdev.iftype != NL80211_IFTYPE_STATION && |
832 | vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { | |
bdcd8170 KV |
833 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
834 | "%s: ath6k not in station mode\n", __func__); | |
835 | return; | |
836 | } | |
837 | } | |
838 | ||
1de547d6 VT |
839 | /* |
840 | * Send a disconnect command to target when a disconnect event is | |
841 | * received with reason code other than 3 (DISCONNECT_CMD - disconnect | |
842 | * request from host) to make the firmware stop trying to connect even | |
843 | * after giving disconnect event. There will be one more disconnect | |
844 | * event for this disconnect command with reason code DISCONNECT_CMD | |
845 | * which will be notified to cfg80211. | |
846 | */ | |
bdcd8170 | 847 | |
1de547d6 | 848 | if (reason != DISCONNECT_CMD) { |
334234b5 | 849 | ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); |
bdcd8170 KV |
850 | return; |
851 | } | |
852 | ||
59c98449 | 853 | clear_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 | 854 | |
14ee6f6b | 855 | if (vif->sme_state == SME_CONNECTING) { |
240d2799 | 856 | cfg80211_connect_result(vif->ndev, |
96f1fadc KV |
857 | bssid, NULL, 0, |
858 | NULL, 0, | |
859 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
860 | GFP_KERNEL); | |
14ee6f6b | 861 | } else if (vif->sme_state == SME_CONNECTED) { |
240d2799 | 862 | cfg80211_disconnected(vif->ndev, reason, |
96f1fadc | 863 | NULL, 0, GFP_KERNEL); |
bdcd8170 KV |
864 | } |
865 | ||
14ee6f6b | 866 | vif->sme_state = SME_DISCONNECTED; |
bdcd8170 KV |
867 | } |
868 | ||
bdcd8170 KV |
869 | static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, |
870 | struct cfg80211_scan_request *request) | |
871 | { | |
d6d5c06c | 872 | struct ath6kl *ar = ath6kl_priv(ndev); |
59c98449 | 873 | struct ath6kl_vif *vif = netdev_priv(ndev); |
1276c9ef EL |
874 | s8 n_channels = 0; |
875 | u16 *channels = NULL; | |
bdcd8170 | 876 | int ret = 0; |
f1f92179 | 877 | u32 force_fg_scan = 0; |
bdcd8170 | 878 | |
990bd915 | 879 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
880 | return -EIO; |
881 | ||
10509f90 KV |
882 | ath6kl_cfg80211_sscan_disable(vif); |
883 | ||
bdcd8170 | 884 | if (!ar->usr_bss_filter) { |
59c98449 | 885 | clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); |
1b1e6ee3 | 886 | ret = ath6kl_wmi_bssfilter_cmd( |
240d2799 | 887 | ar->wmi, vif->fw_vif_idx, |
59c98449 | 888 | (test_bit(CONNECTED, &vif->flags) ? |
1b1e6ee3 JM |
889 | ALL_BUT_BSS_FILTER : ALL_BSS_FILTER), 0); |
890 | if (ret) { | |
bdcd8170 | 891 | ath6kl_err("couldn't set bss filtering\n"); |
1b1e6ee3 | 892 | return ret; |
bdcd8170 KV |
893 | } |
894 | } | |
895 | ||
896 | if (request->n_ssids && request->ssids[0].ssid_len) { | |
897 | u8 i; | |
898 | ||
899 | if (request->n_ssids > (MAX_PROBED_SSID_INDEX - 1)) | |
900 | request->n_ssids = MAX_PROBED_SSID_INDEX - 1; | |
901 | ||
902 | for (i = 0; i < request->n_ssids; i++) | |
334234b5 VT |
903 | ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, |
904 | i + 1, SPECIFIC_SSID_FLAG, | |
bdcd8170 KV |
905 | request->ssids[i].ssid_len, |
906 | request->ssids[i].ssid); | |
907 | } | |
908 | ||
080eec4f AT |
909 | /* this also clears IE in fw if it's not set */ |
910 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, | |
911 | WMI_FRAME_PROBE_REQ, | |
912 | request->ie, request->ie_len); | |
913 | if (ret) { | |
914 | ath6kl_err("failed to set Probe Request appie for " | |
915 | "scan"); | |
916 | return ret; | |
b84da8c7 JM |
917 | } |
918 | ||
11869bef JM |
919 | /* |
920 | * Scan only the requested channels if the request specifies a set of | |
921 | * channels. If the list is longer than the target supports, do not | |
922 | * configure the list and instead, scan all available channels. | |
923 | */ | |
924 | if (request->n_channels > 0 && | |
925 | request->n_channels <= WMI_MAX_CHANNELS) { | |
1276c9ef EL |
926 | u8 i; |
927 | ||
11869bef | 928 | n_channels = request->n_channels; |
1276c9ef EL |
929 | |
930 | channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL); | |
931 | if (channels == NULL) { | |
932 | ath6kl_warn("failed to set scan channels, " | |
933 | "scan all channels"); | |
934 | n_channels = 0; | |
935 | } | |
936 | ||
937 | for (i = 0; i < n_channels; i++) | |
938 | channels[i] = request->channels[i]->center_freq; | |
939 | } | |
940 | ||
59c98449 | 941 | if (test_bit(CONNECTED, &vif->flags)) |
f1f92179 VT |
942 | force_fg_scan = 1; |
943 | ||
3ca9d1fc | 944 | if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, |
96f1fadc | 945 | ar->fw_capabilities)) { |
3ca9d1fc AT |
946 | /* |
947 | * If capable of doing P2P mgmt operations using | |
948 | * station interface, send additional information like | |
949 | * supported rates to advertise and xmit rates for | |
950 | * probe requests | |
951 | */ | |
952 | ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, | |
953 | WMI_LONG_SCAN, force_fg_scan, | |
13423c31 VT |
954 | false, 0, |
955 | ATH6KL_FG_SCAN_INTERVAL, | |
956 | n_channels, channels, | |
957 | request->no_cck, | |
3ca9d1fc AT |
958 | request->rates); |
959 | } else { | |
960 | ret = ath6kl_wmi_startscan_cmd(ar->wmi, vif->fw_vif_idx, | |
961 | WMI_LONG_SCAN, force_fg_scan, | |
13423c31 VT |
962 | false, 0, |
963 | ATH6KL_FG_SCAN_INTERVAL, | |
964 | n_channels, channels); | |
3ca9d1fc | 965 | } |
1b1e6ee3 | 966 | if (ret) |
bdcd8170 | 967 | ath6kl_err("wmi_startscan_cmd failed\n"); |
11869bef | 968 | else |
14ee6f6b | 969 | vif->scan_req = request; |
bdcd8170 | 970 | |
1276c9ef EL |
971 | kfree(channels); |
972 | ||
bdcd8170 KV |
973 | return ret; |
974 | } | |
975 | ||
1c17d313 | 976 | void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted) |
bdcd8170 | 977 | { |
240d2799 | 978 | struct ath6kl *ar = vif->ar; |
6fd1eace | 979 | int i; |
bdcd8170 | 980 | |
1c17d313 KV |
981 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__, |
982 | aborted ? " aborted" : ""); | |
bdcd8170 | 983 | |
14ee6f6b | 984 | if (!vif->scan_req) |
6fd1eace KV |
985 | return; |
986 | ||
1c17d313 | 987 | if (aborted) |
6fd1eace | 988 | goto out; |
6fd1eace | 989 | |
14ee6f6b VT |
990 | if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) { |
991 | for (i = 0; i < vif->scan_req->n_ssids; i++) { | |
334234b5 VT |
992 | ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, |
993 | i + 1, DISABLE_SSID_FLAG, | |
6fd1eace | 994 | 0, NULL); |
bdcd8170 | 995 | } |
bdcd8170 | 996 | } |
6fd1eace KV |
997 | |
998 | out: | |
cb93821a | 999 | cfg80211_scan_done(vif->scan_req, aborted); |
14ee6f6b | 1000 | vif->scan_req = NULL; |
bdcd8170 KV |
1001 | } |
1002 | ||
1003 | static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, | |
1004 | u8 key_index, bool pairwise, | |
1005 | const u8 *mac_addr, | |
1006 | struct key_params *params) | |
1007 | { | |
d6d5c06c | 1008 | struct ath6kl *ar = ath6kl_priv(ndev); |
59c98449 | 1009 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 | 1010 | struct ath6kl_key *key = NULL; |
4a8ce2fd | 1011 | int seq_len; |
bdcd8170 KV |
1012 | u8 key_usage; |
1013 | u8 key_type; | |
bdcd8170 | 1014 | |
990bd915 | 1015 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1016 | return -EIO; |
1017 | ||
837cb97e JM |
1018 | if (params->cipher == CCKM_KRK_CIPHER_SUITE) { |
1019 | if (params->key_len != WMI_KRK_LEN) | |
1020 | return -EINVAL; | |
240d2799 VT |
1021 | return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, |
1022 | params->key); | |
837cb97e JM |
1023 | } |
1024 | ||
792ecb33 | 1025 | if (key_index > WMI_MAX_KEY_INDEX) { |
bdcd8170 KV |
1026 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1027 | "%s: key index %d out of bounds\n", __func__, | |
1028 | key_index); | |
1029 | return -ENOENT; | |
1030 | } | |
1031 | ||
6f2a73f9 | 1032 | key = &vif->keys[key_index]; |
bdcd8170 KV |
1033 | memset(key, 0, sizeof(struct ath6kl_key)); |
1034 | ||
1035 | if (pairwise) | |
1036 | key_usage = PAIRWISE_USAGE; | |
1037 | else | |
1038 | key_usage = GROUP_USAGE; | |
1039 | ||
4a8ce2fd SM |
1040 | seq_len = params->seq_len; |
1041 | if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && | |
1042 | seq_len > ATH6KL_KEY_SEQ_LEN) { | |
1043 | /* Only first half of the WPI PN is configured */ | |
1044 | seq_len = ATH6KL_KEY_SEQ_LEN; | |
bdcd8170 | 1045 | } |
4a8ce2fd SM |
1046 | if (params->key_len > WLAN_MAX_KEY_LEN || |
1047 | seq_len > sizeof(key->seq)) | |
1048 | return -EINVAL; | |
1049 | ||
1050 | key->key_len = params->key_len; | |
1051 | memcpy(key->key, params->key, key->key_len); | |
1052 | key->seq_len = seq_len; | |
1053 | memcpy(key->seq, params->seq, key->seq_len); | |
1054 | key->cipher = params->cipher; | |
bdcd8170 KV |
1055 | |
1056 | switch (key->cipher) { | |
1057 | case WLAN_CIPHER_SUITE_WEP40: | |
1058 | case WLAN_CIPHER_SUITE_WEP104: | |
1059 | key_type = WEP_CRYPT; | |
1060 | break; | |
1061 | ||
1062 | case WLAN_CIPHER_SUITE_TKIP: | |
1063 | key_type = TKIP_CRYPT; | |
1064 | break; | |
1065 | ||
1066 | case WLAN_CIPHER_SUITE_CCMP: | |
1067 | key_type = AES_CRYPT; | |
1068 | break; | |
5e07021e DS |
1069 | case WLAN_CIPHER_SUITE_SMS4: |
1070 | key_type = WAPI_CRYPT; | |
1071 | break; | |
bdcd8170 KV |
1072 | |
1073 | default: | |
1074 | return -ENOTSUPP; | |
1075 | } | |
1076 | ||
ddc3d77c KV |
1077 | if (((vif->auth_mode == WPA_PSK_AUTH) || |
1078 | (vif->auth_mode == WPA2_PSK_AUTH)) && | |
1079 | (key_usage & GROUP_USAGE)) | |
de3ad713 | 1080 | del_timer(&vif->disconnect_timer); |
bdcd8170 KV |
1081 | |
1082 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1083 | "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", | |
1084 | __func__, key_index, key->key_len, key_type, | |
1085 | key_usage, key->seq_len); | |
1086 | ||
f5938f24 | 1087 | if (vif->nw_type == AP_NETWORK && !pairwise && |
4703290a | 1088 | (key_type == TKIP_CRYPT || key_type == AES_CRYPT || |
cc4d623d | 1089 | key_type == WAPI_CRYPT)) { |
9a5b1318 JM |
1090 | ar->ap_mode_bkey.valid = true; |
1091 | ar->ap_mode_bkey.key_index = key_index; | |
1092 | ar->ap_mode_bkey.key_type = key_type; | |
1093 | ar->ap_mode_bkey.key_len = key->key_len; | |
1094 | memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); | |
59c98449 | 1095 | if (!test_bit(CONNECTED, &vif->flags)) { |
9a5b1318 JM |
1096 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay initial group " |
1097 | "key configuration until AP mode has been " | |
1098 | "started\n"); | |
1099 | /* | |
1100 | * The key will be set in ath6kl_connect_ap_mode() once | |
1101 | * the connected event is received from the target. | |
1102 | */ | |
1103 | return 0; | |
1104 | } | |
1105 | } | |
1106 | ||
f5938f24 | 1107 | if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && |
59c98449 | 1108 | !test_bit(CONNECTED, &vif->flags)) { |
151411e8 JM |
1109 | /* |
1110 | * Store the key locally so that it can be re-configured after | |
1111 | * the AP mode has properly started | |
1112 | * (ath6kl_install_statioc_wep_keys). | |
1113 | */ | |
1114 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay WEP key configuration " | |
1115 | "until AP mode has been started\n"); | |
6f2a73f9 VT |
1116 | vif->wep_key_list[key_index].key_len = key->key_len; |
1117 | memcpy(vif->wep_key_list[key_index].key, key->key, | |
1118 | key->key_len); | |
151411e8 JM |
1119 | return 0; |
1120 | } | |
1121 | ||
7cefa44f | 1122 | return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, |
f3e61ece JM |
1123 | key_type, key_usage, key->key_len, |
1124 | key->seq, key->seq_len, key->key, | |
1125 | KEY_OP_INIT_VAL, | |
1126 | (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); | |
bdcd8170 KV |
1127 | } |
1128 | ||
1129 | static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, | |
1130 | u8 key_index, bool pairwise, | |
1131 | const u8 *mac_addr) | |
1132 | { | |
d6d5c06c | 1133 | struct ath6kl *ar = ath6kl_priv(ndev); |
6f2a73f9 | 1134 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 KV |
1135 | |
1136 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); | |
1137 | ||
990bd915 | 1138 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1139 | return -EIO; |
1140 | ||
792ecb33 | 1141 | if (key_index > WMI_MAX_KEY_INDEX) { |
bdcd8170 KV |
1142 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1143 | "%s: key index %d out of bounds\n", __func__, | |
1144 | key_index); | |
1145 | return -ENOENT; | |
1146 | } | |
1147 | ||
6f2a73f9 | 1148 | if (!vif->keys[key_index].key_len) { |
bdcd8170 KV |
1149 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1150 | "%s: index %d is empty\n", __func__, key_index); | |
1151 | return 0; | |
1152 | } | |
1153 | ||
6f2a73f9 | 1154 | vif->keys[key_index].key_len = 0; |
bdcd8170 | 1155 | |
334234b5 | 1156 | return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); |
bdcd8170 KV |
1157 | } |
1158 | ||
1159 | static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, | |
1160 | u8 key_index, bool pairwise, | |
1161 | const u8 *mac_addr, void *cookie, | |
1162 | void (*callback) (void *cookie, | |
1163 | struct key_params *)) | |
1164 | { | |
6f2a73f9 | 1165 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 KV |
1166 | struct ath6kl_key *key = NULL; |
1167 | struct key_params params; | |
1168 | ||
1169 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); | |
1170 | ||
990bd915 | 1171 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1172 | return -EIO; |
1173 | ||
792ecb33 | 1174 | if (key_index > WMI_MAX_KEY_INDEX) { |
bdcd8170 KV |
1175 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1176 | "%s: key index %d out of bounds\n", __func__, | |
1177 | key_index); | |
1178 | return -ENOENT; | |
1179 | } | |
1180 | ||
6f2a73f9 | 1181 | key = &vif->keys[key_index]; |
bdcd8170 KV |
1182 | memset(¶ms, 0, sizeof(params)); |
1183 | params.cipher = key->cipher; | |
1184 | params.key_len = key->key_len; | |
1185 | params.seq_len = key->seq_len; | |
1186 | params.seq = key->seq; | |
1187 | params.key = key->key; | |
1188 | ||
1189 | callback(cookie, ¶ms); | |
1190 | ||
1191 | return key->key_len ? 0 : -ENOENT; | |
1192 | } | |
1193 | ||
1194 | static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, | |
1195 | struct net_device *ndev, | |
1196 | u8 key_index, bool unicast, | |
1197 | bool multicast) | |
1198 | { | |
d6d5c06c | 1199 | struct ath6kl *ar = ath6kl_priv(ndev); |
59c98449 | 1200 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 | 1201 | struct ath6kl_key *key = NULL; |
bdcd8170 | 1202 | u8 key_usage; |
229ed6b5 | 1203 | enum crypto_type key_type = NONE_CRYPT; |
bdcd8170 KV |
1204 | |
1205 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); | |
1206 | ||
990bd915 | 1207 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1208 | return -EIO; |
1209 | ||
792ecb33 | 1210 | if (key_index > WMI_MAX_KEY_INDEX) { |
bdcd8170 KV |
1211 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1212 | "%s: key index %d out of bounds\n", | |
1213 | __func__, key_index); | |
1214 | return -ENOENT; | |
1215 | } | |
1216 | ||
6f2a73f9 | 1217 | if (!vif->keys[key_index].key_len) { |
bdcd8170 KV |
1218 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", |
1219 | __func__, key_index); | |
1220 | return -EINVAL; | |
1221 | } | |
1222 | ||
3450334f | 1223 | vif->def_txkey_index = key_index; |
6f2a73f9 | 1224 | key = &vif->keys[vif->def_txkey_index]; |
bdcd8170 | 1225 | key_usage = GROUP_USAGE; |
3450334f | 1226 | if (vif->prwise_crypto == WEP_CRYPT) |
bdcd8170 | 1227 | key_usage |= TX_USAGE; |
229ed6b5 | 1228 | if (unicast) |
3450334f | 1229 | key_type = vif->prwise_crypto; |
229ed6b5 | 1230 | if (multicast) |
3450334f | 1231 | key_type = vif->grp_crypto; |
bdcd8170 | 1232 | |
f5938f24 | 1233 | if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) |
9a5b1318 JM |
1234 | return 0; /* Delay until AP mode has been started */ |
1235 | ||
f3e61ece JM |
1236 | return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, |
1237 | vif->def_txkey_index, | |
1238 | key_type, key_usage, | |
1239 | key->key_len, key->seq, key->seq_len, | |
1240 | key->key, | |
1241 | KEY_OP_INIT_VAL, NULL, | |
1242 | SYNC_BOTH_WMIFLAG); | |
bdcd8170 KV |
1243 | } |
1244 | ||
240d2799 | 1245 | void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, |
bdcd8170 KV |
1246 | bool ismcast) |
1247 | { | |
1248 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1249 | "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); | |
1250 | ||
240d2799 | 1251 | cfg80211_michael_mic_failure(vif->ndev, vif->bssid, |
bdcd8170 KV |
1252 | (ismcast ? NL80211_KEYTYPE_GROUP : |
1253 | NL80211_KEYTYPE_PAIRWISE), keyid, NULL, | |
1254 | GFP_KERNEL); | |
1255 | } | |
1256 | ||
1257 | static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
1258 | { | |
1259 | struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); | |
990bd915 | 1260 | struct ath6kl_vif *vif; |
bdcd8170 KV |
1261 | int ret; |
1262 | ||
1263 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, | |
1264 | changed); | |
1265 | ||
990bd915 VT |
1266 | vif = ath6kl_vif_first(ar); |
1267 | if (!vif) | |
1268 | return -EIO; | |
1269 | ||
1270 | if (!ath6kl_cfg80211_ready(vif)) | |
bdcd8170 KV |
1271 | return -EIO; |
1272 | ||
1273 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
1274 | ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); | |
1275 | if (ret != 0) { | |
1276 | ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); | |
1277 | return -EIO; | |
1278 | } | |
1279 | } | |
1280 | ||
1281 | return 0; | |
1282 | } | |
1283 | ||
1284 | /* | |
1285 | * The type nl80211_tx_power_setting replaces the following | |
1286 | * data type from 2.6.36 onwards | |
1287 | */ | |
1288 | static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, | |
1289 | enum nl80211_tx_power_setting type, | |
b992a285 | 1290 | int mbm) |
bdcd8170 KV |
1291 | { |
1292 | struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); | |
990bd915 | 1293 | struct ath6kl_vif *vif; |
b992a285 | 1294 | int dbm = MBM_TO_DBM(mbm); |
bdcd8170 KV |
1295 | |
1296 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, | |
1297 | type, dbm); | |
1298 | ||
990bd915 VT |
1299 | vif = ath6kl_vif_first(ar); |
1300 | if (!vif) | |
1301 | return -EIO; | |
1302 | ||
1303 | if (!ath6kl_cfg80211_ready(vif)) | |
bdcd8170 KV |
1304 | return -EIO; |
1305 | ||
1306 | switch (type) { | |
1307 | case NL80211_TX_POWER_AUTOMATIC: | |
1308 | return 0; | |
1309 | case NL80211_TX_POWER_LIMITED: | |
d0d670ab | 1310 | ar->tx_pwr = dbm; |
bdcd8170 KV |
1311 | break; |
1312 | default: | |
1313 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", | |
1314 | __func__, type); | |
1315 | return -EOPNOTSUPP; | |
1316 | } | |
1317 | ||
d0d670ab | 1318 | ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); |
bdcd8170 KV |
1319 | |
1320 | return 0; | |
1321 | } | |
1322 | ||
1323 | static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm) | |
1324 | { | |
1325 | struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); | |
990bd915 VT |
1326 | struct ath6kl_vif *vif; |
1327 | ||
1328 | vif = ath6kl_vif_first(ar); | |
1329 | if (!vif) | |
1330 | return -EIO; | |
bdcd8170 | 1331 | |
990bd915 | 1332 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1333 | return -EIO; |
1334 | ||
59c98449 | 1335 | if (test_bit(CONNECTED, &vif->flags)) { |
bdcd8170 KV |
1336 | ar->tx_pwr = 0; |
1337 | ||
990bd915 | 1338 | if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { |
bdcd8170 KV |
1339 | ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); |
1340 | return -EIO; | |
1341 | } | |
1342 | ||
1343 | wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, | |
1344 | 5 * HZ); | |
1345 | ||
1346 | if (signal_pending(current)) { | |
1347 | ath6kl_err("target did not respond\n"); | |
1348 | return -EINTR; | |
1349 | } | |
1350 | } | |
1351 | ||
1352 | *dbm = ar->tx_pwr; | |
1353 | return 0; | |
1354 | } | |
1355 | ||
1356 | static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, | |
1357 | struct net_device *dev, | |
1358 | bool pmgmt, int timeout) | |
1359 | { | |
1360 | struct ath6kl *ar = ath6kl_priv(dev); | |
1361 | struct wmi_power_mode_cmd mode; | |
334234b5 | 1362 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
1363 | |
1364 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", | |
1365 | __func__, pmgmt, timeout); | |
1366 | ||
990bd915 | 1367 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1368 | return -EIO; |
1369 | ||
1370 | if (pmgmt) { | |
1371 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); | |
1372 | mode.pwr_mode = REC_POWER; | |
1373 | } else { | |
1374 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); | |
1375 | mode.pwr_mode = MAX_PERF_POWER; | |
1376 | } | |
1377 | ||
334234b5 | 1378 | if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, |
96f1fadc | 1379 | mode.pwr_mode) != 0) { |
bdcd8170 KV |
1380 | ath6kl_err("wmi_powermode_cmd failed\n"); |
1381 | return -EIO; | |
1382 | } | |
1383 | ||
1384 | return 0; | |
1385 | } | |
1386 | ||
55055976 VT |
1387 | static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, |
1388 | char *name, | |
1389 | enum nl80211_iftype type, | |
1390 | u32 *flags, | |
1391 | struct vif_params *params) | |
1392 | { | |
1393 | struct ath6kl *ar = wiphy_priv(wiphy); | |
1394 | struct net_device *ndev; | |
1395 | u8 if_idx, nw_type; | |
1396 | ||
71f96ee6 | 1397 | if (ar->num_vif == ar->vif_max) { |
55055976 VT |
1398 | ath6kl_err("Reached maximum number of supported vif\n"); |
1399 | return ERR_PTR(-EINVAL); | |
1400 | } | |
1401 | ||
1402 | if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { | |
1403 | ath6kl_err("Not a supported interface type\n"); | |
1404 | return ERR_PTR(-EINVAL); | |
1405 | } | |
1406 | ||
1407 | ndev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); | |
1408 | if (!ndev) | |
1409 | return ERR_PTR(-ENOMEM); | |
1410 | ||
1411 | ar->num_vif++; | |
1412 | ||
1413 | return ndev; | |
1414 | } | |
1415 | ||
1416 | static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, | |
1417 | struct net_device *ndev) | |
1418 | { | |
1419 | struct ath6kl *ar = wiphy_priv(wiphy); | |
1420 | struct ath6kl_vif *vif = netdev_priv(ndev); | |
1421 | ||
11f6e40d | 1422 | spin_lock_bh(&ar->list_lock); |
55055976 | 1423 | list_del(&vif->list); |
11f6e40d | 1424 | spin_unlock_bh(&ar->list_lock); |
55055976 VT |
1425 | |
1426 | ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); | |
1427 | ||
c25889e8 | 1428 | ath6kl_cfg80211_vif_cleanup(vif); |
55055976 VT |
1429 | |
1430 | return 0; | |
1431 | } | |
1432 | ||
bdcd8170 KV |
1433 | static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, |
1434 | struct net_device *ndev, | |
1435 | enum nl80211_iftype type, u32 *flags, | |
1436 | struct vif_params *params) | |
1437 | { | |
f5938f24 | 1438 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 KV |
1439 | |
1440 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); | |
1441 | ||
bdcd8170 KV |
1442 | switch (type) { |
1443 | case NL80211_IFTYPE_STATION: | |
f5938f24 | 1444 | vif->next_mode = INFRA_NETWORK; |
bdcd8170 KV |
1445 | break; |
1446 | case NL80211_IFTYPE_ADHOC: | |
f5938f24 | 1447 | vif->next_mode = ADHOC_NETWORK; |
bdcd8170 | 1448 | break; |
6e4604c8 | 1449 | case NL80211_IFTYPE_AP: |
f5938f24 | 1450 | vif->next_mode = AP_NETWORK; |
6e4604c8 | 1451 | break; |
6b5e5d25 | 1452 | case NL80211_IFTYPE_P2P_CLIENT: |
f5938f24 | 1453 | vif->next_mode = INFRA_NETWORK; |
6b5e5d25 JM |
1454 | break; |
1455 | case NL80211_IFTYPE_P2P_GO: | |
f5938f24 | 1456 | vif->next_mode = AP_NETWORK; |
6b5e5d25 | 1457 | break; |
bdcd8170 KV |
1458 | default: |
1459 | ath6kl_err("invalid interface type %u\n", type); | |
1460 | return -EOPNOTSUPP; | |
1461 | } | |
1462 | ||
551959d8 | 1463 | vif->wdev.iftype = type; |
bdcd8170 KV |
1464 | |
1465 | return 0; | |
1466 | } | |
1467 | ||
1468 | static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, | |
1469 | struct net_device *dev, | |
1470 | struct cfg80211_ibss_params *ibss_param) | |
1471 | { | |
1472 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 1473 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
1474 | int status; |
1475 | ||
990bd915 | 1476 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1477 | return -EIO; |
1478 | ||
3450334f VT |
1479 | vif->ssid_len = ibss_param->ssid_len; |
1480 | memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); | |
bdcd8170 KV |
1481 | |
1482 | if (ibss_param->channel) | |
f74bac54 | 1483 | vif->ch_hint = ibss_param->channel->center_freq; |
bdcd8170 KV |
1484 | |
1485 | if (ibss_param->channel_fixed) { | |
1486 | /* | |
1487 | * TODO: channel_fixed: The channel should be fixed, do not | |
1488 | * search for IBSSs to join on other channels. Target | |
1489 | * firmware does not support this feature, needs to be | |
1490 | * updated. | |
1491 | */ | |
1492 | return -EOPNOTSUPP; | |
1493 | } | |
1494 | ||
8c8b65e3 | 1495 | memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
bdcd8170 | 1496 | if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) |
8c8b65e3 VT |
1497 | memcpy(vif->req_bssid, ibss_param->bssid, |
1498 | sizeof(vif->req_bssid)); | |
bdcd8170 | 1499 | |
240d2799 | 1500 | ath6kl_set_wpa_version(vif, 0); |
bdcd8170 | 1501 | |
240d2799 | 1502 | status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); |
bdcd8170 KV |
1503 | if (status) |
1504 | return status; | |
1505 | ||
1506 | if (ibss_param->privacy) { | |
240d2799 VT |
1507 | ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); |
1508 | ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); | |
bdcd8170 | 1509 | } else { |
240d2799 VT |
1510 | ath6kl_set_cipher(vif, 0, true); |
1511 | ath6kl_set_cipher(vif, 0, false); | |
bdcd8170 KV |
1512 | } |
1513 | ||
f5938f24 | 1514 | vif->nw_type = vif->next_mode; |
bdcd8170 KV |
1515 | |
1516 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1517 | "%s: connect called with authmode %d dot11 auth %d" | |
1518 | " PW crypto %d PW crypto len %d GRP crypto %d" | |
1519 | " GRP crypto len %d channel hint %u\n", | |
1520 | __func__, | |
3450334f VT |
1521 | vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, |
1522 | vif->prwise_crypto_len, vif->grp_crypto, | |
f74bac54 | 1523 | vif->grp_crypto_len, vif->ch_hint); |
bdcd8170 | 1524 | |
334234b5 | 1525 | status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, |
3450334f VT |
1526 | vif->dot11_auth_mode, vif->auth_mode, |
1527 | vif->prwise_crypto, | |
1528 | vif->prwise_crypto_len, | |
1529 | vif->grp_crypto, vif->grp_crypto_len, | |
1530 | vif->ssid_len, vif->ssid, | |
f74bac54 | 1531 | vif->req_bssid, vif->ch_hint, |
3ca9d1fc | 1532 | ar->connect_ctrl_flags, SUBTYPE_NONE); |
59c98449 | 1533 | set_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 KV |
1534 | |
1535 | return 0; | |
1536 | } | |
1537 | ||
1538 | static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, | |
1539 | struct net_device *dev) | |
1540 | { | |
3450334f | 1541 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 | 1542 | |
990bd915 | 1543 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1544 | return -EIO; |
1545 | ||
240d2799 | 1546 | ath6kl_disconnect(vif); |
3450334f VT |
1547 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
1548 | vif->ssid_len = 0; | |
bdcd8170 KV |
1549 | |
1550 | return 0; | |
1551 | } | |
1552 | ||
1553 | static const u32 cipher_suites[] = { | |
1554 | WLAN_CIPHER_SUITE_WEP40, | |
1555 | WLAN_CIPHER_SUITE_WEP104, | |
1556 | WLAN_CIPHER_SUITE_TKIP, | |
1557 | WLAN_CIPHER_SUITE_CCMP, | |
837cb97e | 1558 | CCKM_KRK_CIPHER_SUITE, |
5e07021e | 1559 | WLAN_CIPHER_SUITE_SMS4, |
bdcd8170 KV |
1560 | }; |
1561 | ||
1562 | static bool is_rate_legacy(s32 rate) | |
1563 | { | |
1564 | static const s32 legacy[] = { 1000, 2000, 5500, 11000, | |
1565 | 6000, 9000, 12000, 18000, 24000, | |
1566 | 36000, 48000, 54000 | |
1567 | }; | |
1568 | u8 i; | |
1569 | ||
1570 | for (i = 0; i < ARRAY_SIZE(legacy); i++) | |
1571 | if (rate == legacy[i]) | |
1572 | return true; | |
1573 | ||
1574 | return false; | |
1575 | } | |
1576 | ||
1577 | static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) | |
1578 | { | |
1579 | static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, | |
1580 | 52000, 58500, 65000, 72200 | |
1581 | }; | |
1582 | u8 i; | |
1583 | ||
1584 | for (i = 0; i < ARRAY_SIZE(ht20); i++) { | |
1585 | if (rate == ht20[i]) { | |
1586 | if (i == ARRAY_SIZE(ht20) - 1) | |
1587 | /* last rate uses sgi */ | |
1588 | *sgi = true; | |
1589 | else | |
1590 | *sgi = false; | |
1591 | ||
1592 | *mcs = i; | |
1593 | return true; | |
1594 | } | |
1595 | } | |
1596 | return false; | |
1597 | } | |
1598 | ||
1599 | static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) | |
1600 | { | |
1601 | static const s32 ht40[] = { 13500, 27000, 40500, 54000, | |
1602 | 81000, 108000, 121500, 135000, | |
1603 | 150000 | |
1604 | }; | |
1605 | u8 i; | |
1606 | ||
1607 | for (i = 0; i < ARRAY_SIZE(ht40); i++) { | |
1608 | if (rate == ht40[i]) { | |
1609 | if (i == ARRAY_SIZE(ht40) - 1) | |
1610 | /* last rate uses sgi */ | |
1611 | *sgi = true; | |
1612 | else | |
1613 | *sgi = false; | |
1614 | ||
1615 | *mcs = i; | |
1616 | return true; | |
1617 | } | |
1618 | } | |
1619 | ||
1620 | return false; | |
1621 | } | |
1622 | ||
1623 | static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, | |
1624 | u8 *mac, struct station_info *sinfo) | |
1625 | { | |
1626 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 1627 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
1628 | long left; |
1629 | bool sgi; | |
1630 | s32 rate; | |
1631 | int ret; | |
1632 | u8 mcs; | |
1633 | ||
8c8b65e3 | 1634 | if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) |
bdcd8170 KV |
1635 | return -ENOENT; |
1636 | ||
1637 | if (down_interruptible(&ar->sem)) | |
1638 | return -EBUSY; | |
1639 | ||
b95907a7 | 1640 | set_bit(STATS_UPDATE_PEND, &vif->flags); |
bdcd8170 | 1641 | |
334234b5 | 1642 | ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); |
bdcd8170 KV |
1643 | |
1644 | if (ret != 0) { | |
1645 | up(&ar->sem); | |
1646 | return -EIO; | |
1647 | } | |
1648 | ||
1649 | left = wait_event_interruptible_timeout(ar->event_wq, | |
1650 | !test_bit(STATS_UPDATE_PEND, | |
b95907a7 | 1651 | &vif->flags), |
bdcd8170 KV |
1652 | WMI_TIMEOUT); |
1653 | ||
1654 | up(&ar->sem); | |
1655 | ||
1656 | if (left == 0) | |
1657 | return -ETIMEDOUT; | |
1658 | else if (left < 0) | |
1659 | return left; | |
1660 | ||
b95907a7 VT |
1661 | if (vif->target_stats.rx_byte) { |
1662 | sinfo->rx_bytes = vif->target_stats.rx_byte; | |
bdcd8170 | 1663 | sinfo->filled |= STATION_INFO_RX_BYTES; |
b95907a7 | 1664 | sinfo->rx_packets = vif->target_stats.rx_pkt; |
bdcd8170 KV |
1665 | sinfo->filled |= STATION_INFO_RX_PACKETS; |
1666 | } | |
1667 | ||
b95907a7 VT |
1668 | if (vif->target_stats.tx_byte) { |
1669 | sinfo->tx_bytes = vif->target_stats.tx_byte; | |
bdcd8170 | 1670 | sinfo->filled |= STATION_INFO_TX_BYTES; |
b95907a7 | 1671 | sinfo->tx_packets = vif->target_stats.tx_pkt; |
bdcd8170 KV |
1672 | sinfo->filled |= STATION_INFO_TX_PACKETS; |
1673 | } | |
1674 | ||
b95907a7 | 1675 | sinfo->signal = vif->target_stats.cs_rssi; |
bdcd8170 KV |
1676 | sinfo->filled |= STATION_INFO_SIGNAL; |
1677 | ||
b95907a7 | 1678 | rate = vif->target_stats.tx_ucast_rate; |
bdcd8170 KV |
1679 | |
1680 | if (is_rate_legacy(rate)) { | |
1681 | sinfo->txrate.legacy = rate / 100; | |
1682 | } else if (is_rate_ht20(rate, &mcs, &sgi)) { | |
1683 | if (sgi) { | |
1684 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
1685 | sinfo->txrate.mcs = mcs - 1; | |
1686 | } else { | |
1687 | sinfo->txrate.mcs = mcs; | |
1688 | } | |
1689 | ||
1690 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
1691 | } else if (is_rate_ht40(rate, &mcs, &sgi)) { | |
1692 | if (sgi) { | |
1693 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
1694 | sinfo->txrate.mcs = mcs - 1; | |
1695 | } else { | |
1696 | sinfo->txrate.mcs = mcs; | |
1697 | } | |
1698 | ||
1699 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
1700 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
1701 | } else { | |
9a730834 KV |
1702 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1703 | "invalid rate from stats: %d\n", rate); | |
1704 | ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); | |
bdcd8170 KV |
1705 | return 0; |
1706 | } | |
1707 | ||
1708 | sinfo->filled |= STATION_INFO_TX_BITRATE; | |
1709 | ||
59c98449 VT |
1710 | if (test_bit(CONNECTED, &vif->flags) && |
1711 | test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && | |
f5938f24 | 1712 | vif->nw_type == INFRA_NETWORK) { |
32c10874 JM |
1713 | sinfo->filled |= STATION_INFO_BSS_PARAM; |
1714 | sinfo->bss_param.flags = 0; | |
cf5333d7 VT |
1715 | sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; |
1716 | sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; | |
32c10874 JM |
1717 | } |
1718 | ||
bdcd8170 KV |
1719 | return 0; |
1720 | } | |
1721 | ||
1722 | static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
1723 | struct cfg80211_pmksa *pmksa) | |
1724 | { | |
1725 | struct ath6kl *ar = ath6kl_priv(netdev); | |
334234b5 VT |
1726 | struct ath6kl_vif *vif = netdev_priv(netdev); |
1727 | ||
1728 | return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, | |
bdcd8170 KV |
1729 | pmksa->pmkid, true); |
1730 | } | |
1731 | ||
1732 | static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
1733 | struct cfg80211_pmksa *pmksa) | |
1734 | { | |
1735 | struct ath6kl *ar = ath6kl_priv(netdev); | |
334234b5 VT |
1736 | struct ath6kl_vif *vif = netdev_priv(netdev); |
1737 | ||
1738 | return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, | |
bdcd8170 KV |
1739 | pmksa->pmkid, false); |
1740 | } | |
1741 | ||
1742 | static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) | |
1743 | { | |
1744 | struct ath6kl *ar = ath6kl_priv(netdev); | |
59c98449 VT |
1745 | struct ath6kl_vif *vif = netdev_priv(netdev); |
1746 | ||
1747 | if (test_bit(CONNECTED, &vif->flags)) | |
334234b5 VT |
1748 | return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, |
1749 | vif->bssid, NULL, false); | |
bdcd8170 KV |
1750 | return 0; |
1751 | } | |
1752 | ||
d91e8eee RM |
1753 | static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, |
1754 | struct cfg80211_wowlan *wow, u32 *filter) | |
6cb3c714 | 1755 | { |
d91e8eee RM |
1756 | int ret, pos; |
1757 | u8 mask[WOW_MASK_SIZE]; | |
6cb3c714 | 1758 | u16 i; |
6cb3c714 | 1759 | |
d91e8eee | 1760 | /* Configure the patterns that we received from the user. */ |
6cb3c714 RM |
1761 | for (i = 0; i < wow->n_patterns; i++) { |
1762 | ||
1763 | /* | |
1764 | * Convert given nl80211 specific mask value to equivalent | |
1765 | * driver specific mask value and send it to the chip along | |
1766 | * with patterns. For example, If the mask value defined in | |
1767 | * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), | |
1768 | * then equivalent driver specific mask value is | |
1769 | * "0xFF 0x00 0xFF 0x00". | |
1770 | */ | |
1771 | memset(&mask, 0, sizeof(mask)); | |
1772 | for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { | |
1773 | if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) | |
1774 | mask[pos] = 0xFF; | |
1775 | } | |
1776 | /* | |
1777 | * Note: Pattern's offset is not passed as part of wowlan | |
1778 | * parameter from CFG layer. So it's always passed as ZERO | |
1779 | * to the firmware. It means, given WOW patterns are always | |
1780 | * matched from the first byte of received pkt in the firmware. | |
1781 | */ | |
1782 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
d91e8eee RM |
1783 | vif->fw_vif_idx, WOW_LIST_ID, |
1784 | wow->patterns[i].pattern_len, | |
1785 | 0 /* pattern offset */, | |
1786 | wow->patterns[i].pattern, mask); | |
6cb3c714 RM |
1787 | if (ret) |
1788 | return ret; | |
1789 | } | |
1790 | ||
d91e8eee RM |
1791 | if (wow->disconnect) |
1792 | *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; | |
1793 | ||
1794 | if (wow->magic_pkt) | |
1795 | *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; | |
1796 | ||
1797 | if (wow->gtk_rekey_failure) | |
1798 | *filter |= WOW_FILTER_OPTION_GTK_ERROR; | |
1799 | ||
1800 | if (wow->eap_identity_req) | |
1801 | *filter |= WOW_FILTER_OPTION_EAP_REQ; | |
1802 | ||
1803 | if (wow->four_way_handshake) | |
1804 | *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; | |
1805 | ||
1806 | return 0; | |
1807 | } | |
1808 | ||
1809 | static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) | |
1810 | { | |
1811 | static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, | |
1812 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1813 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1814 | 0x00, 0x08 }; | |
1815 | static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, | |
1816 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1817 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1818 | 0x00, 0x7f }; | |
1819 | u8 unicst_offset = 0; | |
1820 | static const u8 arp_pattern[] = { 0x08, 0x06 }; | |
1821 | static const u8 arp_mask[] = { 0xff, 0xff }; | |
1822 | u8 arp_offset = 20; | |
1823 | static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; | |
1824 | static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; | |
1825 | u8 discvr_offset = 38; | |
1826 | static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, | |
1827 | 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1828 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, | |
1829 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1830 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1831 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; | |
1832 | static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, | |
1833 | 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1834 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, | |
1835 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1836 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1837 | 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; | |
1838 | u8 dhcp_offset = 0; | |
1839 | int ret; | |
1840 | ||
1841 | /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ | |
1842 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
1843 | vif->fw_vif_idx, WOW_LIST_ID, | |
1844 | sizeof(unicst_pattern), unicst_offset, | |
1845 | unicst_pattern, unicst_mask); | |
1846 | if (ret) { | |
1847 | ath6kl_err("failed to add WOW unicast IP pattern\n"); | |
1848 | return ret; | |
1849 | } | |
1850 | ||
1851 | /* Setup all ARP pkt pattern */ | |
1852 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
1853 | vif->fw_vif_idx, WOW_LIST_ID, | |
1854 | sizeof(arp_pattern), arp_offset, | |
1855 | arp_pattern, arp_mask); | |
1856 | if (ret) { | |
1857 | ath6kl_err("failed to add WOW ARP pattern\n"); | |
1858 | return ret; | |
1859 | } | |
1860 | ||
1861 | /* | |
1862 | * Setup multicast pattern for mDNS 224.0.0.251, | |
1863 | * SSDP 239.255.255.250 and LLMNR 224.0.0.252 | |
1864 | */ | |
1865 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
1866 | vif->fw_vif_idx, WOW_LIST_ID, | |
1867 | sizeof(discvr_pattern), discvr_offset, | |
1868 | discvr_pattern, discvr_mask); | |
1869 | if (ret) { | |
1870 | ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); | |
1871 | return ret; | |
1872 | } | |
1873 | ||
1874 | /* Setup all DHCP broadcast pkt pattern */ | |
1875 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
1876 | vif->fw_vif_idx, WOW_LIST_ID, | |
1877 | sizeof(dhcp_pattern), dhcp_offset, | |
1878 | dhcp_pattern, dhcp_mask); | |
1879 | if (ret) { | |
1880 | ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); | |
1881 | return ret; | |
1882 | } | |
1883 | ||
1884 | return 0; | |
1885 | } | |
1886 | ||
1887 | static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) | |
1888 | { | |
1889 | struct net_device *ndev = vif->ndev; | |
1890 | static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; | |
1891 | static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; | |
1892 | u8 discvr_offset = 38; | |
1893 | u8 mac_mask[ETH_ALEN]; | |
1894 | int ret; | |
1895 | ||
1896 | /* Setup unicast pkt pattern */ | |
1897 | memset(mac_mask, 0xff, ETH_ALEN); | |
1898 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
1899 | vif->fw_vif_idx, WOW_LIST_ID, | |
1900 | ETH_ALEN, 0, ndev->dev_addr, | |
1901 | mac_mask); | |
1902 | if (ret) { | |
1903 | ath6kl_err("failed to add WOW unicast pattern\n"); | |
1904 | return ret; | |
1905 | } | |
1906 | ||
1907 | /* | |
1908 | * Setup multicast pattern for mDNS 224.0.0.251, | |
1909 | * SSDP 239.255.255.250 and LLMNR 224.0.0.252 | |
1910 | */ | |
1911 | if ((ndev->flags & IFF_ALLMULTI) || | |
1912 | (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { | |
1913 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
1914 | vif->fw_vif_idx, WOW_LIST_ID, | |
1915 | sizeof(discvr_pattern), discvr_offset, | |
1916 | discvr_pattern, discvr_mask); | |
1917 | if (ret) { | |
1918 | ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR " | |
1919 | "pattern\n"); | |
1920 | return ret; | |
1921 | } | |
1922 | } | |
1923 | ||
1924 | return 0; | |
1925 | } | |
1926 | ||
1927 | static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) | |
1928 | { | |
1929 | struct in_device *in_dev; | |
1930 | struct in_ifaddr *ifa; | |
1931 | struct ath6kl_vif *vif; | |
1932 | int ret, left; | |
1933 | u32 filter = 0; | |
ce0dc0cf | 1934 | u16 i, bmiss_time; |
d91e8eee RM |
1935 | u8 index = 0; |
1936 | __be32 ips[MAX_IP_ADDRS]; | |
1937 | ||
1938 | vif = ath6kl_vif_first(ar); | |
1939 | if (!vif) | |
1940 | return -EIO; | |
1941 | ||
1942 | if (!ath6kl_cfg80211_ready(vif)) | |
1943 | return -EIO; | |
1944 | ||
1945 | if (!test_bit(CONNECTED, &vif->flags)) | |
3c411a43 | 1946 | return -ENOTCONN; |
d91e8eee RM |
1947 | |
1948 | if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) | |
1949 | return -EINVAL; | |
1950 | ||
1951 | /* Clear existing WOW patterns */ | |
1952 | for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) | |
1953 | ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, | |
1954 | WOW_LIST_ID, i); | |
1955 | ||
1956 | /* | |
1957 | * Skip the default WOW pattern configuration | |
1958 | * if the driver receives any WOW patterns from | |
1959 | * the user. | |
1960 | */ | |
1961 | if (wow) | |
1962 | ret = ath6kl_wow_usr(ar, vif, wow, &filter); | |
1963 | else if (vif->nw_type == AP_NETWORK) | |
1964 | ret = ath6kl_wow_ap(ar, vif); | |
1965 | else | |
1966 | ret = ath6kl_wow_sta(ar, vif); | |
1967 | ||
1968 | if (ret) | |
1969 | return ret; | |
1970 | ||
390a8c8f RM |
1971 | netif_stop_queue(vif->ndev); |
1972 | ||
ce0dc0cf RM |
1973 | if (vif->nw_type != AP_NETWORK) { |
1974 | ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, | |
1975 | ATH6KL_MAX_WOW_LISTEN_INTL, | |
1976 | 0); | |
1977 | if (ret) | |
1978 | return ret; | |
1979 | ||
1980 | /* Set listen interval x 15 times as bmiss time */ | |
1981 | bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; | |
1982 | if (bmiss_time > ATH6KL_MAX_BMISS_TIME) | |
1983 | bmiss_time = ATH6KL_MAX_BMISS_TIME; | |
1984 | ||
1985 | ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, | |
1986 | bmiss_time, 0); | |
1987 | if (ret) | |
1988 | return ret; | |
1989 | ||
1990 | ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, | |
1991 | 0xFFFF, 0, 0xFFFF, 0, 0, 0, | |
1992 | 0, 0, 0, 0); | |
1993 | if (ret) | |
1994 | return ret; | |
1995 | } | |
1996 | ||
390a8c8f RM |
1997 | ar->state = ATH6KL_STATE_SUSPENDING; |
1998 | ||
c08631c6 RM |
1999 | /* Setup own IP addr for ARP agent. */ |
2000 | in_dev = __in_dev_get_rtnl(vif->ndev); | |
2001 | if (!in_dev) | |
2002 | goto skip_arp; | |
2003 | ||
2004 | ifa = in_dev->ifa_list; | |
2005 | memset(&ips, 0, sizeof(ips)); | |
2006 | ||
2007 | /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ | |
2008 | while (index < MAX_IP_ADDRS && ifa) { | |
2009 | ips[index] = ifa->ifa_local; | |
2010 | ifa = ifa->ifa_next; | |
2011 | index++; | |
2012 | } | |
2013 | ||
2014 | if (ifa) { | |
2015 | ath6kl_err("total IP addr count is exceeding fw limit\n"); | |
2016 | return -EINVAL; | |
2017 | } | |
2018 | ||
2019 | ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); | |
2020 | if (ret) { | |
2021 | ath6kl_err("fail to setup ip for arp agent\n"); | |
2022 | return ret; | |
2023 | } | |
2024 | ||
2025 | skip_arp: | |
6cb3c714 RM |
2026 | ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, |
2027 | ATH6KL_WOW_MODE_ENABLE, | |
2028 | filter, | |
2029 | WOW_HOST_REQ_DELAY); | |
2030 | if (ret) | |
2031 | return ret; | |
2032 | ||
081c7a84 RM |
2033 | clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); |
2034 | ||
6cb3c714 RM |
2035 | ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, |
2036 | ATH6KL_HOST_MODE_ASLEEP); | |
2037 | if (ret) | |
2038 | return ret; | |
2039 | ||
081c7a84 RM |
2040 | left = wait_event_interruptible_timeout(ar->event_wq, |
2041 | test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags), | |
2042 | WMI_TIMEOUT); | |
2043 | if (left == 0) { | |
2044 | ath6kl_warn("timeout, didn't get host sleep cmd " | |
2045 | "processed event\n"); | |
2046 | ret = -ETIMEDOUT; | |
2047 | } else if (left < 0) { | |
2048 | ath6kl_warn("error while waiting for host sleep cmd " | |
2049 | "processed event %d\n", left); | |
2050 | ret = left; | |
2051 | } | |
2052 | ||
6cb3c714 RM |
2053 | if (ar->tx_pending[ar->ctrl_ep]) { |
2054 | left = wait_event_interruptible_timeout(ar->event_wq, | |
2055 | ar->tx_pending[ar->ctrl_ep] == 0, WMI_TIMEOUT); | |
2056 | if (left == 0) { | |
2057 | ath6kl_warn("clear wmi ctrl data timeout\n"); | |
2058 | ret = -ETIMEDOUT; | |
2059 | } else if (left < 0) { | |
2060 | ath6kl_warn("clear wmi ctrl data failed: %d\n", left); | |
2061 | ret = left; | |
2062 | } | |
2063 | } | |
2064 | ||
2065 | return ret; | |
2066 | } | |
2067 | ||
2068 | static int ath6kl_wow_resume(struct ath6kl *ar) | |
2069 | { | |
2070 | struct ath6kl_vif *vif; | |
2071 | int ret; | |
2072 | ||
2073 | vif = ath6kl_vif_first(ar); | |
2074 | if (!vif) | |
2075 | return -EIO; | |
2076 | ||
390a8c8f RM |
2077 | ar->state = ATH6KL_STATE_RESUMING; |
2078 | ||
6cb3c714 RM |
2079 | ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, |
2080 | ATH6KL_HOST_MODE_AWAKE); | |
390a8c8f RM |
2081 | if (ret) { |
2082 | ath6kl_warn("Failed to configure host sleep mode for " | |
2083 | "wow resume: %d\n", ret); | |
2084 | ar->state = ATH6KL_STATE_WOW; | |
2085 | return ret; | |
2086 | } | |
2087 | ||
ce0dc0cf RM |
2088 | if (vif->nw_type != AP_NETWORK) { |
2089 | ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, | |
2090 | 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); | |
2091 | if (ret) | |
2092 | return ret; | |
2093 | ||
2094 | ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, | |
2095 | vif->listen_intvl_t, 0); | |
2096 | if (ret) | |
2097 | return ret; | |
2098 | ||
2099 | ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, | |
2100 | vif->bmiss_time_t, 0); | |
2101 | if (ret) | |
2102 | return ret; | |
2103 | } | |
2104 | ||
390a8c8f RM |
2105 | ar->state = ATH6KL_STATE_ON; |
2106 | ||
2107 | netif_wake_queue(vif->ndev); | |
2108 | ||
2109 | return 0; | |
6cb3c714 RM |
2110 | } |
2111 | ||
52d81a68 | 2112 | int ath6kl_cfg80211_suspend(struct ath6kl *ar, |
0f60e9f4 RM |
2113 | enum ath6kl_cfg_suspend_mode mode, |
2114 | struct cfg80211_wowlan *wow) | |
52d81a68 | 2115 | { |
390a8c8f | 2116 | enum ath6kl_state prev_state; |
52d81a68 KV |
2117 | int ret; |
2118 | ||
52d81a68 | 2119 | switch (mode) { |
d7c44e0b RM |
2120 | case ATH6KL_CFG_SUSPEND_WOW: |
2121 | ||
2122 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); | |
2123 | ||
2124 | /* Flush all non control pkts in TX path */ | |
2125 | ath6kl_tx_data_cleanup(ar); | |
2126 | ||
390a8c8f RM |
2127 | prev_state = ar->state; |
2128 | ||
d7c44e0b | 2129 | ret = ath6kl_wow_suspend(ar, wow); |
390a8c8f RM |
2130 | if (ret) { |
2131 | ar->state = prev_state; | |
d7c44e0b | 2132 | return ret; |
390a8c8f | 2133 | } |
1e9a905d | 2134 | |
d7c44e0b RM |
2135 | ar->state = ATH6KL_STATE_WOW; |
2136 | break; | |
2137 | ||
52d81a68 | 2138 | case ATH6KL_CFG_SUSPEND_DEEPSLEEP: |
524441e3 | 2139 | |
7125f01d | 2140 | ath6kl_cfg80211_stop_all(ar); |
524441e3 | 2141 | |
52d81a68 KV |
2142 | /* save the current power mode before enabling power save */ |
2143 | ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; | |
2144 | ||
2145 | ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); | |
2146 | if (ret) { | |
2147 | ath6kl_warn("wmi powermode command failed during suspend: %d\n", | |
2148 | ret); | |
2149 | } | |
2150 | ||
76a9fbe2 KV |
2151 | ar->state = ATH6KL_STATE_DEEPSLEEP; |
2152 | ||
52d81a68 | 2153 | break; |
b4b2a0b1 KV |
2154 | |
2155 | case ATH6KL_CFG_SUSPEND_CUTPOWER: | |
524441e3 | 2156 | |
7125f01d | 2157 | ath6kl_cfg80211_stop_all(ar); |
524441e3 | 2158 | |
b4b2a0b1 KV |
2159 | if (ar->state == ATH6KL_STATE_OFF) { |
2160 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, | |
2161 | "suspend hw off, no action for cutpower\n"); | |
2162 | break; | |
2163 | } | |
2164 | ||
2165 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); | |
2166 | ||
2167 | ret = ath6kl_init_hw_stop(ar); | |
2168 | if (ret) { | |
2169 | ath6kl_warn("failed to stop hw during suspend: %d\n", | |
2170 | ret); | |
2171 | } | |
2172 | ||
2173 | ar->state = ATH6KL_STATE_CUTPOWER; | |
2174 | ||
2175 | break; | |
2176 | ||
10509f90 KV |
2177 | case ATH6KL_CFG_SUSPEND_SCHED_SCAN: |
2178 | /* | |
2179 | * Nothing needed for schedule scan, firmware is already in | |
2180 | * wow mode and sleeping most of the time. | |
2181 | */ | |
2182 | break; | |
2183 | ||
b4b2a0b1 KV |
2184 | default: |
2185 | break; | |
52d81a68 KV |
2186 | } |
2187 | ||
2188 | return 0; | |
2189 | } | |
d6a434d6 | 2190 | EXPORT_SYMBOL(ath6kl_cfg80211_suspend); |
52d81a68 KV |
2191 | |
2192 | int ath6kl_cfg80211_resume(struct ath6kl *ar) | |
2193 | { | |
76a9fbe2 KV |
2194 | int ret; |
2195 | ||
2196 | switch (ar->state) { | |
d7c44e0b RM |
2197 | case ATH6KL_STATE_WOW: |
2198 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); | |
2199 | ||
2200 | ret = ath6kl_wow_resume(ar); | |
2201 | if (ret) { | |
2202 | ath6kl_warn("wow mode resume failed: %d\n", ret); | |
2203 | return ret; | |
2204 | } | |
2205 | ||
d7c44e0b RM |
2206 | break; |
2207 | ||
76a9fbe2 KV |
2208 | case ATH6KL_STATE_DEEPSLEEP: |
2209 | if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { | |
2210 | ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, | |
2211 | ar->wmi->saved_pwr_mode); | |
2212 | if (ret) { | |
2213 | ath6kl_warn("wmi powermode command failed during resume: %d\n", | |
2214 | ret); | |
2215 | } | |
2216 | } | |
2217 | ||
2218 | ar->state = ATH6KL_STATE_ON; | |
2219 | ||
2220 | break; | |
2221 | ||
b4b2a0b1 KV |
2222 | case ATH6KL_STATE_CUTPOWER: |
2223 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); | |
2224 | ||
2225 | ret = ath6kl_init_hw_start(ar); | |
2226 | if (ret) { | |
2227 | ath6kl_warn("Failed to boot hw in resume: %d\n", ret); | |
2228 | return ret; | |
2229 | } | |
d7c44e0b | 2230 | break; |
b4b2a0b1 | 2231 | |
10509f90 KV |
2232 | case ATH6KL_STATE_SCHED_SCAN: |
2233 | break; | |
2234 | ||
76a9fbe2 KV |
2235 | default: |
2236 | break; | |
52d81a68 KV |
2237 | } |
2238 | ||
2239 | return 0; | |
2240 | } | |
d6a434d6 | 2241 | EXPORT_SYMBOL(ath6kl_cfg80211_resume); |
52d81a68 | 2242 | |
abcb344b | 2243 | #ifdef CONFIG_PM |
52d81a68 KV |
2244 | |
2245 | /* hif layer decides what suspend mode to use */ | |
2246 | static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, | |
abcb344b KV |
2247 | struct cfg80211_wowlan *wow) |
2248 | { | |
2249 | struct ath6kl *ar = wiphy_priv(wiphy); | |
2250 | ||
0f60e9f4 | 2251 | return ath6kl_hif_suspend(ar, wow); |
abcb344b | 2252 | } |
aa6cffc1 | 2253 | |
52d81a68 | 2254 | static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) |
aa6cffc1 CN |
2255 | { |
2256 | struct ath6kl *ar = wiphy_priv(wiphy); | |
2257 | ||
2258 | return ath6kl_hif_resume(ar); | |
2259 | } | |
a918fb3c RM |
2260 | |
2261 | /* | |
2262 | * FIXME: WOW suspend mode is selected if the host sdio controller supports | |
2263 | * both sdio irq wake up and keep power. The target pulls sdio data line to | |
2264 | * wake up the host when WOW pattern matches. This causes sdio irq handler | |
2265 | * is being called in the host side which internally hits ath6kl's RX path. | |
2266 | * | |
2267 | * Since sdio interrupt is not disabled, RX path executes even before | |
2268 | * the host executes the actual resume operation from PM module. | |
2269 | * | |
2270 | * In the current scenario, WOW resume should happen before start processing | |
2271 | * any data from the target. So It's required to perform WOW resume in RX path. | |
2272 | * Ideally we should perform WOW resume only in the actual platform | |
2273 | * resume path. This area needs bit rework to avoid WOW resume in RX path. | |
2274 | * | |
2275 | * ath6kl_check_wow_status() is called from ath6kl_rx(). | |
2276 | */ | |
2277 | void ath6kl_check_wow_status(struct ath6kl *ar) | |
2278 | { | |
390a8c8f RM |
2279 | if (ar->state == ATH6KL_STATE_SUSPENDING) |
2280 | return; | |
2281 | ||
a918fb3c RM |
2282 | if (ar->state == ATH6KL_STATE_WOW) |
2283 | ath6kl_cfg80211_resume(ar); | |
2284 | } | |
2285 | ||
2286 | #else | |
2287 | ||
2288 | void ath6kl_check_wow_status(struct ath6kl *ar) | |
2289 | { | |
2290 | } | |
abcb344b KV |
2291 | #endif |
2292 | ||
6a7c9bad JM |
2293 | static int ath6kl_set_channel(struct wiphy *wiphy, struct net_device *dev, |
2294 | struct ieee80211_channel *chan, | |
2295 | enum nl80211_channel_type channel_type) | |
2296 | { | |
e68f6750 SM |
2297 | struct ath6kl_vif *vif; |
2298 | ||
2299 | /* | |
2300 | * 'dev' could be NULL if a channel change is required for the hardware | |
2301 | * device itself, instead of a particular VIF. | |
2302 | * | |
2303 | * FIXME: To be handled properly when monitor mode is supported. | |
2304 | */ | |
2305 | if (!dev) | |
2306 | return -EBUSY; | |
2307 | ||
2308 | vif = netdev_priv(dev); | |
6a7c9bad | 2309 | |
990bd915 | 2310 | if (!ath6kl_cfg80211_ready(vif)) |
6a7c9bad JM |
2311 | return -EIO; |
2312 | ||
2313 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: center_freq=%u hw_value=%u\n", | |
2314 | __func__, chan->center_freq, chan->hw_value); | |
cf5333d7 | 2315 | vif->next_chan = chan->center_freq; |
6a7c9bad JM |
2316 | |
2317 | return 0; | |
2318 | } | |
2319 | ||
8bdfbf40 JM |
2320 | static bool ath6kl_is_p2p_ie(const u8 *pos) |
2321 | { | |
2322 | return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && | |
2323 | pos[2] == 0x50 && pos[3] == 0x6f && | |
2324 | pos[4] == 0x9a && pos[5] == 0x09; | |
2325 | } | |
2326 | ||
334234b5 VT |
2327 | static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, |
2328 | const u8 *ies, size_t ies_len) | |
8bdfbf40 | 2329 | { |
334234b5 | 2330 | struct ath6kl *ar = vif->ar; |
8bdfbf40 JM |
2331 | const u8 *pos; |
2332 | u8 *buf = NULL; | |
2333 | size_t len = 0; | |
2334 | int ret; | |
2335 | ||
2336 | /* | |
2337 | * Filter out P2P IE(s) since they will be included depending on | |
2338 | * the Probe Request frame in ath6kl_send_go_probe_resp(). | |
2339 | */ | |
2340 | ||
2341 | if (ies && ies_len) { | |
2342 | buf = kmalloc(ies_len, GFP_KERNEL); | |
2343 | if (buf == NULL) | |
2344 | return -ENOMEM; | |
2345 | pos = ies; | |
2346 | while (pos + 1 < ies + ies_len) { | |
2347 | if (pos + 2 + pos[1] > ies + ies_len) | |
2348 | break; | |
2349 | if (!ath6kl_is_p2p_ie(pos)) { | |
2350 | memcpy(buf + len, pos, 2 + pos[1]); | |
2351 | len += 2 + pos[1]; | |
2352 | } | |
2353 | pos += 2 + pos[1]; | |
2354 | } | |
2355 | } | |
2356 | ||
334234b5 VT |
2357 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
2358 | WMI_FRAME_PROBE_RESP, buf, len); | |
8bdfbf40 JM |
2359 | kfree(buf); |
2360 | return ret; | |
2361 | } | |
2362 | ||
8860020e JB |
2363 | static int ath6kl_set_ies(struct ath6kl_vif *vif, |
2364 | struct cfg80211_beacon_data *info) | |
6a7c9bad | 2365 | { |
8860020e | 2366 | struct ath6kl *ar = vif->ar; |
6a7c9bad | 2367 | int res; |
6a7c9bad | 2368 | |
17a7b16d AT |
2369 | /* this also clears IE in fw if it's not set */ |
2370 | res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, | |
2371 | WMI_FRAME_BEACON, | |
2372 | info->beacon_ies, | |
2373 | info->beacon_ies_len); | |
2374 | if (res) | |
2375 | return res; | |
2376 | ||
2377 | /* this also clears IE in fw if it's not set */ | |
2378 | res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, | |
2379 | info->proberesp_ies_len); | |
2380 | if (res) | |
2381 | return res; | |
2382 | ||
2383 | /* this also clears IE in fw if it's not set */ | |
2384 | res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, | |
2385 | WMI_FRAME_ASSOC_RESP, | |
2386 | info->assocresp_ies, | |
2387 | info->assocresp_ies_len); | |
2388 | if (res) | |
2389 | return res; | |
6a7c9bad | 2390 | |
8860020e JB |
2391 | return 0; |
2392 | } | |
2393 | ||
2394 | static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, | |
2395 | struct cfg80211_ap_settings *info) | |
6a7c9bad JM |
2396 | { |
2397 | struct ath6kl *ar = ath6kl_priv(dev); | |
3450334f | 2398 | struct ath6kl_vif *vif = netdev_priv(dev); |
6a7c9bad | 2399 | struct ieee80211_mgmt *mgmt; |
67cd22e4 | 2400 | bool hidden = false; |
6a7c9bad JM |
2401 | u8 *ies; |
2402 | int ies_len; | |
2403 | struct wmi_connect_cmd p; | |
2404 | int res; | |
be5abaaf | 2405 | int i, ret; |
6a7c9bad | 2406 | |
8860020e | 2407 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); |
6a7c9bad | 2408 | |
990bd915 | 2409 | if (!ath6kl_cfg80211_ready(vif)) |
6a7c9bad JM |
2410 | return -EIO; |
2411 | ||
f5938f24 | 2412 | if (vif->next_mode != AP_NETWORK) |
6a7c9bad JM |
2413 | return -EOPNOTSUPP; |
2414 | ||
8860020e | 2415 | res = ath6kl_set_ies(vif, &info->beacon); |
6a7c9bad | 2416 | |
9a5b1318 JM |
2417 | ar->ap_mode_bkey.valid = false; |
2418 | ||
6a7c9bad JM |
2419 | /* TODO: |
2420 | * info->interval | |
2421 | * info->dtim_period | |
2422 | */ | |
2423 | ||
8860020e | 2424 | if (info->beacon.head == NULL) |
6a7c9bad | 2425 | return -EINVAL; |
8860020e | 2426 | mgmt = (struct ieee80211_mgmt *) info->beacon.head; |
6a7c9bad | 2427 | ies = mgmt->u.beacon.variable; |
8860020e | 2428 | if (ies > info->beacon.head + info->beacon.head_len) |
6a7c9bad | 2429 | return -EINVAL; |
8860020e | 2430 | ies_len = info->beacon.head + info->beacon.head_len - ies; |
6a7c9bad JM |
2431 | |
2432 | if (info->ssid == NULL) | |
2433 | return -EINVAL; | |
3450334f VT |
2434 | memcpy(vif->ssid, info->ssid, info->ssid_len); |
2435 | vif->ssid_len = info->ssid_len; | |
6a7c9bad | 2436 | if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) |
67cd22e4 TP |
2437 | hidden = true; |
2438 | ||
2439 | res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); | |
2440 | if (res) | |
2441 | return res; | |
6a7c9bad | 2442 | |
be5abaaf VT |
2443 | ret = ath6kl_set_auth_type(vif, info->auth_type); |
2444 | if (ret) | |
2445 | return ret; | |
6a7c9bad JM |
2446 | |
2447 | memset(&p, 0, sizeof(p)); | |
2448 | ||
2449 | for (i = 0; i < info->crypto.n_akm_suites; i++) { | |
2450 | switch (info->crypto.akm_suites[i]) { | |
2451 | case WLAN_AKM_SUITE_8021X: | |
2452 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) | |
2453 | p.auth_mode |= WPA_AUTH; | |
2454 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) | |
2455 | p.auth_mode |= WPA2_AUTH; | |
2456 | break; | |
2457 | case WLAN_AKM_SUITE_PSK: | |
2458 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) | |
2459 | p.auth_mode |= WPA_PSK_AUTH; | |
2460 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) | |
2461 | p.auth_mode |= WPA2_PSK_AUTH; | |
2462 | break; | |
2463 | } | |
2464 | } | |
2465 | if (p.auth_mode == 0) | |
2466 | p.auth_mode = NONE_AUTH; | |
3450334f | 2467 | vif->auth_mode = p.auth_mode; |
6a7c9bad JM |
2468 | |
2469 | for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { | |
2470 | switch (info->crypto.ciphers_pairwise[i]) { | |
2471 | case WLAN_CIPHER_SUITE_WEP40: | |
2472 | case WLAN_CIPHER_SUITE_WEP104: | |
2473 | p.prwise_crypto_type |= WEP_CRYPT; | |
2474 | break; | |
2475 | case WLAN_CIPHER_SUITE_TKIP: | |
2476 | p.prwise_crypto_type |= TKIP_CRYPT; | |
2477 | break; | |
2478 | case WLAN_CIPHER_SUITE_CCMP: | |
2479 | p.prwise_crypto_type |= AES_CRYPT; | |
2480 | break; | |
b8214df1 DS |
2481 | case WLAN_CIPHER_SUITE_SMS4: |
2482 | p.prwise_crypto_type |= WAPI_CRYPT; | |
2483 | break; | |
6a7c9bad JM |
2484 | } |
2485 | } | |
229ed6b5 | 2486 | if (p.prwise_crypto_type == 0) { |
6a7c9bad | 2487 | p.prwise_crypto_type = NONE_CRYPT; |
240d2799 | 2488 | ath6kl_set_cipher(vif, 0, true); |
229ed6b5 | 2489 | } else if (info->crypto.n_ciphers_pairwise == 1) |
240d2799 | 2490 | ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); |
6a7c9bad JM |
2491 | |
2492 | switch (info->crypto.cipher_group) { | |
2493 | case WLAN_CIPHER_SUITE_WEP40: | |
2494 | case WLAN_CIPHER_SUITE_WEP104: | |
2495 | p.grp_crypto_type = WEP_CRYPT; | |
2496 | break; | |
2497 | case WLAN_CIPHER_SUITE_TKIP: | |
2498 | p.grp_crypto_type = TKIP_CRYPT; | |
2499 | break; | |
2500 | case WLAN_CIPHER_SUITE_CCMP: | |
2501 | p.grp_crypto_type = AES_CRYPT; | |
2502 | break; | |
b8214df1 DS |
2503 | case WLAN_CIPHER_SUITE_SMS4: |
2504 | p.grp_crypto_type = WAPI_CRYPT; | |
2505 | break; | |
6a7c9bad JM |
2506 | default: |
2507 | p.grp_crypto_type = NONE_CRYPT; | |
2508 | break; | |
2509 | } | |
240d2799 | 2510 | ath6kl_set_cipher(vif, info->crypto.cipher_group, false); |
6a7c9bad JM |
2511 | |
2512 | p.nw_type = AP_NETWORK; | |
f5938f24 | 2513 | vif->nw_type = vif->next_mode; |
6a7c9bad | 2514 | |
3450334f VT |
2515 | p.ssid_len = vif->ssid_len; |
2516 | memcpy(p.ssid, vif->ssid, vif->ssid_len); | |
2517 | p.dot11_auth_mode = vif->dot11_auth_mode; | |
cf5333d7 | 2518 | p.ch = cpu_to_le16(vif->next_chan); |
6a7c9bad | 2519 | |
c1762a3f TP |
2520 | /* Enable uAPSD support by default */ |
2521 | res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); | |
2522 | if (res < 0) | |
2523 | return res; | |
2524 | ||
3ca9d1fc AT |
2525 | if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { |
2526 | p.nw_subtype = SUBTYPE_P2PGO; | |
2527 | } else { | |
2528 | /* | |
2529 | * Due to firmware limitation, it is not possible to | |
2530 | * do P2P mgmt operations in AP mode | |
2531 | */ | |
2532 | p.nw_subtype = SUBTYPE_NONE; | |
2533 | } | |
2534 | ||
334234b5 | 2535 | res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); |
9a5b1318 JM |
2536 | if (res < 0) |
2537 | return res; | |
2538 | ||
2539 | return 0; | |
6a7c9bad JM |
2540 | } |
2541 | ||
8860020e JB |
2542 | static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
2543 | struct cfg80211_beacon_data *beacon) | |
6a7c9bad | 2544 | { |
8860020e | 2545 | struct ath6kl_vif *vif = netdev_priv(dev); |
6a7c9bad | 2546 | |
8860020e JB |
2547 | if (!ath6kl_cfg80211_ready(vif)) |
2548 | return -EIO; | |
2549 | ||
2550 | if (vif->next_mode != AP_NETWORK) | |
2551 | return -EOPNOTSUPP; | |
2552 | ||
2553 | return ath6kl_set_ies(vif, beacon); | |
6a7c9bad JM |
2554 | } |
2555 | ||
8860020e | 2556 | static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
6a7c9bad JM |
2557 | { |
2558 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 2559 | struct ath6kl_vif *vif = netdev_priv(dev); |
6a7c9bad | 2560 | |
f5938f24 | 2561 | if (vif->nw_type != AP_NETWORK) |
6a7c9bad | 2562 | return -EOPNOTSUPP; |
59c98449 | 2563 | if (!test_bit(CONNECTED, &vif->flags)) |
6a7c9bad JM |
2564 | return -ENOTCONN; |
2565 | ||
334234b5 | 2566 | ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); |
59c98449 | 2567 | clear_bit(CONNECTED, &vif->flags); |
6a7c9bad JM |
2568 | |
2569 | return 0; | |
2570 | } | |
2571 | ||
33e5308d JM |
2572 | static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; |
2573 | ||
2574 | static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, | |
2575 | u8 *mac) | |
2576 | { | |
2577 | struct ath6kl *ar = ath6kl_priv(dev); | |
2578 | struct ath6kl_vif *vif = netdev_priv(dev); | |
2579 | const u8 *addr = mac ? mac : bcast_addr; | |
2580 | ||
2581 | return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, | |
2582 | addr, WLAN_REASON_PREV_AUTH_NOT_VALID); | |
2583 | } | |
2584 | ||
23875136 JM |
2585 | static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, |
2586 | u8 *mac, struct station_parameters *params) | |
2587 | { | |
2588 | struct ath6kl *ar = ath6kl_priv(dev); | |
f5938f24 | 2589 | struct ath6kl_vif *vif = netdev_priv(dev); |
23875136 | 2590 | |
f5938f24 | 2591 | if (vif->nw_type != AP_NETWORK) |
23875136 JM |
2592 | return -EOPNOTSUPP; |
2593 | ||
2594 | /* Use this only for authorizing/unauthorizing a station */ | |
2595 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
2596 | return -EOPNOTSUPP; | |
2597 | ||
2598 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
334234b5 VT |
2599 | return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, |
2600 | WMI_AP_MLME_AUTHORIZE, mac, 0); | |
2601 | return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, | |
2602 | WMI_AP_MLME_UNAUTHORIZE, mac, 0); | |
23875136 JM |
2603 | } |
2604 | ||
63fa1e0c JM |
2605 | static int ath6kl_remain_on_channel(struct wiphy *wiphy, |
2606 | struct net_device *dev, | |
2607 | struct ieee80211_channel *chan, | |
2608 | enum nl80211_channel_type channel_type, | |
2609 | unsigned int duration, | |
2610 | u64 *cookie) | |
2611 | { | |
2612 | struct ath6kl *ar = ath6kl_priv(dev); | |
334234b5 | 2613 | struct ath6kl_vif *vif = netdev_priv(dev); |
1052261e | 2614 | u32 id; |
63fa1e0c JM |
2615 | |
2616 | /* TODO: if already pending or ongoing remain-on-channel, | |
2617 | * return -EBUSY */ | |
1052261e JM |
2618 | id = ++vif->last_roc_id; |
2619 | if (id == 0) { | |
2620 | /* Do not use 0 as the cookie value */ | |
2621 | id = ++vif->last_roc_id; | |
2622 | } | |
2623 | *cookie = id; | |
63fa1e0c | 2624 | |
334234b5 VT |
2625 | return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, |
2626 | chan->center_freq, duration); | |
63fa1e0c JM |
2627 | } |
2628 | ||
2629 | static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, | |
2630 | struct net_device *dev, | |
2631 | u64 cookie) | |
2632 | { | |
2633 | struct ath6kl *ar = ath6kl_priv(dev); | |
334234b5 | 2634 | struct ath6kl_vif *vif = netdev_priv(dev); |
63fa1e0c | 2635 | |
1052261e | 2636 | if (cookie != vif->last_roc_id) |
63fa1e0c | 2637 | return -ENOENT; |
1052261e | 2638 | vif->last_cancel_roc_id = cookie; |
63fa1e0c | 2639 | |
334234b5 | 2640 | return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); |
63fa1e0c JM |
2641 | } |
2642 | ||
334234b5 VT |
2643 | static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, |
2644 | const u8 *buf, size_t len, | |
2645 | unsigned int freq) | |
8bdfbf40 | 2646 | { |
334234b5 | 2647 | struct ath6kl *ar = vif->ar; |
8bdfbf40 JM |
2648 | const u8 *pos; |
2649 | u8 *p2p; | |
2650 | int p2p_len; | |
2651 | int ret; | |
2652 | const struct ieee80211_mgmt *mgmt; | |
2653 | ||
2654 | mgmt = (const struct ieee80211_mgmt *) buf; | |
2655 | ||
2656 | /* Include P2P IE(s) from the frame generated in user space. */ | |
2657 | ||
2658 | p2p = kmalloc(len, GFP_KERNEL); | |
2659 | if (p2p == NULL) | |
2660 | return -ENOMEM; | |
2661 | p2p_len = 0; | |
2662 | ||
2663 | pos = mgmt->u.probe_resp.variable; | |
2664 | while (pos + 1 < buf + len) { | |
2665 | if (pos + 2 + pos[1] > buf + len) | |
2666 | break; | |
2667 | if (ath6kl_is_p2p_ie(pos)) { | |
2668 | memcpy(p2p + p2p_len, pos, 2 + pos[1]); | |
2669 | p2p_len += 2 + pos[1]; | |
2670 | } | |
2671 | pos += 2 + pos[1]; | |
2672 | } | |
2673 | ||
334234b5 VT |
2674 | ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, |
2675 | mgmt->da, p2p, p2p_len); | |
8bdfbf40 JM |
2676 | kfree(p2p); |
2677 | return ret; | |
2678 | } | |
2679 | ||
d0ff7383 NG |
2680 | static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, |
2681 | u32 id, | |
2682 | u32 freq, | |
2683 | u32 wait, | |
2684 | const u8 *buf, | |
2685 | size_t len, | |
2686 | bool *more_data, | |
2687 | bool no_cck) | |
2688 | { | |
2689 | struct ieee80211_mgmt *mgmt; | |
2690 | struct ath6kl_sta *conn; | |
2691 | bool is_psq_empty = false; | |
2692 | struct ath6kl_mgmt_buff *mgmt_buf; | |
2693 | size_t mgmt_buf_size; | |
2694 | struct ath6kl *ar = vif->ar; | |
2695 | ||
2696 | mgmt = (struct ieee80211_mgmt *) buf; | |
2697 | if (is_multicast_ether_addr(mgmt->da)) | |
2698 | return false; | |
2699 | ||
2700 | conn = ath6kl_find_sta(vif, mgmt->da); | |
2701 | if (!conn) | |
2702 | return false; | |
2703 | ||
2704 | if (conn->sta_flags & STA_PS_SLEEP) { | |
2705 | if (!(conn->sta_flags & STA_PS_POLLED)) { | |
2706 | /* Queue the frames if the STA is sleeping */ | |
2707 | mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); | |
2708 | mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); | |
2709 | if (!mgmt_buf) | |
2710 | return false; | |
2711 | ||
2712 | INIT_LIST_HEAD(&mgmt_buf->list); | |
2713 | mgmt_buf->id = id; | |
2714 | mgmt_buf->freq = freq; | |
2715 | mgmt_buf->wait = wait; | |
2716 | mgmt_buf->len = len; | |
2717 | mgmt_buf->no_cck = no_cck; | |
2718 | memcpy(mgmt_buf->buf, buf, len); | |
2719 | spin_lock_bh(&conn->psq_lock); | |
2720 | is_psq_empty = skb_queue_empty(&conn->psq) && | |
2721 | (conn->mgmt_psq_len == 0); | |
2722 | list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); | |
2723 | conn->mgmt_psq_len++; | |
2724 | spin_unlock_bh(&conn->psq_lock); | |
2725 | ||
2726 | /* | |
2727 | * If this is the first pkt getting queued | |
2728 | * for this STA, update the PVB for this | |
2729 | * STA. | |
2730 | */ | |
2731 | if (is_psq_empty) | |
2732 | ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, | |
2733 | conn->aid, 1); | |
2734 | return true; | |
2735 | } | |
2736 | ||
2737 | /* | |
2738 | * This tx is because of a PsPoll. | |
2739 | * Determine if MoreData bit has to be set. | |
2740 | */ | |
2741 | spin_lock_bh(&conn->psq_lock); | |
2742 | if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) | |
2743 | *more_data = true; | |
2744 | spin_unlock_bh(&conn->psq_lock); | |
2745 | } | |
2746 | ||
2747 | return false; | |
2748 | } | |
2749 | ||
8a6c8060 JM |
2750 | static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, |
2751 | struct ieee80211_channel *chan, bool offchan, | |
2752 | enum nl80211_channel_type channel_type, | |
2753 | bool channel_type_valid, unsigned int wait, | |
e247bd90 JB |
2754 | const u8 *buf, size_t len, bool no_cck, |
2755 | bool dont_wait_for_ack, u64 *cookie) | |
8a6c8060 JM |
2756 | { |
2757 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 2758 | struct ath6kl_vif *vif = netdev_priv(dev); |
8a6c8060 | 2759 | u32 id; |
8bdfbf40 | 2760 | const struct ieee80211_mgmt *mgmt; |
d0ff7383 | 2761 | bool more_data, queued; |
8bdfbf40 JM |
2762 | |
2763 | mgmt = (const struct ieee80211_mgmt *) buf; | |
2764 | if (buf + len >= mgmt->u.probe_resp.variable && | |
f5938f24 | 2765 | vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && |
8bdfbf40 JM |
2766 | ieee80211_is_probe_resp(mgmt->frame_control)) { |
2767 | /* | |
2768 | * Send Probe Response frame in AP mode using a separate WMI | |
2769 | * command to allow the target to fill in the generic IEs. | |
2770 | */ | |
2771 | *cookie = 0; /* TX status not supported */ | |
334234b5 | 2772 | return ath6kl_send_go_probe_resp(vif, buf, len, |
8bdfbf40 JM |
2773 | chan->center_freq); |
2774 | } | |
8a6c8060 | 2775 | |
cf5333d7 | 2776 | id = vif->send_action_id++; |
8a6c8060 JM |
2777 | if (id == 0) { |
2778 | /* | |
2779 | * 0 is a reserved value in the WMI command and shall not be | |
2780 | * used for the command. | |
2781 | */ | |
cf5333d7 | 2782 | id = vif->send_action_id++; |
8a6c8060 JM |
2783 | } |
2784 | ||
2785 | *cookie = id; | |
3ca9d1fc | 2786 | |
d0ff7383 NG |
2787 | /* AP mode Power saving processing */ |
2788 | if (vif->nw_type == AP_NETWORK) { | |
2789 | queued = ath6kl_mgmt_powersave_ap(vif, | |
2790 | id, chan->center_freq, | |
2791 | wait, buf, | |
2792 | len, &more_data, no_cck); | |
2793 | if (queued) | |
2794 | return 0; | |
3ca9d1fc | 2795 | } |
d0ff7383 NG |
2796 | |
2797 | return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, | |
2798 | chan->center_freq, wait, | |
2799 | buf, len, no_cck); | |
8a6c8060 JM |
2800 | } |
2801 | ||
ae32c30a JM |
2802 | static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, |
2803 | struct net_device *dev, | |
2804 | u16 frame_type, bool reg) | |
2805 | { | |
cf5333d7 | 2806 | struct ath6kl_vif *vif = netdev_priv(dev); |
ae32c30a JM |
2807 | |
2808 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", | |
2809 | __func__, frame_type, reg); | |
2810 | if (frame_type == IEEE80211_STYPE_PROBE_REQ) { | |
2811 | /* | |
2812 | * Note: This notification callback is not allowed to sleep, so | |
2813 | * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we | |
2814 | * hardcode target to report Probe Request frames all the time. | |
2815 | */ | |
cf5333d7 | 2816 | vif->probe_req_report = reg; |
ae32c30a JM |
2817 | } |
2818 | } | |
2819 | ||
10509f90 KV |
2820 | static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, |
2821 | struct net_device *dev, | |
2822 | struct cfg80211_sched_scan_request *request) | |
2823 | { | |
2824 | struct ath6kl *ar = ath6kl_priv(dev); | |
2825 | struct ath6kl_vif *vif = netdev_priv(dev); | |
2826 | u16 interval; | |
2827 | int ret; | |
2828 | u8 i; | |
2829 | ||
2830 | if (ar->state != ATH6KL_STATE_ON) | |
2831 | return -EIO; | |
2832 | ||
2833 | if (vif->sme_state != SME_DISCONNECTED) | |
2834 | return -EBUSY; | |
2835 | ||
2836 | for (i = 0; i < ar->wiphy->max_sched_scan_ssids; i++) { | |
2837 | ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, | |
2838 | i, DISABLE_SSID_FLAG, | |
2839 | 0, NULL); | |
2840 | } | |
2841 | ||
2842 | /* fw uses seconds, also make sure that it's >0 */ | |
2843 | interval = max_t(u16, 1, request->interval / 1000); | |
2844 | ||
2845 | ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, | |
2846 | interval, interval, | |
2847 | 10, 0, 0, 0, 3, 0, 0, 0); | |
2848 | ||
2849 | if (request->n_ssids && request->ssids[0].ssid_len) { | |
2850 | for (i = 0; i < request->n_ssids; i++) { | |
2851 | ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, | |
2852 | i, SPECIFIC_SSID_FLAG, | |
2853 | request->ssids[i].ssid_len, | |
2854 | request->ssids[i].ssid); | |
2855 | } | |
2856 | } | |
2857 | ||
2858 | ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
2859 | ATH6KL_WOW_MODE_ENABLE, | |
2860 | WOW_FILTER_SSID, | |
2861 | WOW_HOST_REQ_DELAY); | |
2862 | if (ret) { | |
2863 | ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret); | |
2864 | return ret; | |
2865 | } | |
2866 | ||
2867 | /* this also clears IE in fw if it's not set */ | |
2868 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, | |
2869 | WMI_FRAME_PROBE_REQ, | |
2870 | request->ie, request->ie_len); | |
2871 | if (ret) { | |
2872 | ath6kl_warn("Failed to set probe request IE for scheduled scan: %d", | |
2873 | ret); | |
2874 | return ret; | |
2875 | } | |
2876 | ||
2877 | ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
2878 | ATH6KL_HOST_MODE_ASLEEP); | |
2879 | if (ret) { | |
2880 | ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n", | |
2881 | ret); | |
2882 | return ret; | |
2883 | } | |
2884 | ||
2885 | ar->state = ATH6KL_STATE_SCHED_SCAN; | |
2886 | ||
2887 | return ret; | |
2888 | } | |
2889 | ||
2890 | static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, | |
2891 | struct net_device *dev) | |
2892 | { | |
2893 | struct ath6kl_vif *vif = netdev_priv(dev); | |
2894 | bool stopped; | |
2895 | ||
2896 | stopped = __ath6kl_cfg80211_sscan_stop(vif); | |
2897 | ||
2898 | if (!stopped) | |
2899 | return -EIO; | |
2900 | ||
2901 | return 0; | |
2902 | } | |
2903 | ||
f80574ae JM |
2904 | static const struct ieee80211_txrx_stypes |
2905 | ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { | |
2906 | [NL80211_IFTYPE_STATION] = { | |
2907 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2908 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
2909 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2910 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
2911 | }, | |
ba1f6fe3 JM |
2912 | [NL80211_IFTYPE_AP] = { |
2913 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2914 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
2915 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2916 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
2917 | }, | |
f80574ae JM |
2918 | [NL80211_IFTYPE_P2P_CLIENT] = { |
2919 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2920 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
2921 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2922 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
2923 | }, | |
2924 | [NL80211_IFTYPE_P2P_GO] = { | |
2925 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2926 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
2927 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2928 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
2929 | }, | |
2930 | }; | |
2931 | ||
bdcd8170 | 2932 | static struct cfg80211_ops ath6kl_cfg80211_ops = { |
55055976 VT |
2933 | .add_virtual_intf = ath6kl_cfg80211_add_iface, |
2934 | .del_virtual_intf = ath6kl_cfg80211_del_iface, | |
bdcd8170 KV |
2935 | .change_virtual_intf = ath6kl_cfg80211_change_iface, |
2936 | .scan = ath6kl_cfg80211_scan, | |
2937 | .connect = ath6kl_cfg80211_connect, | |
2938 | .disconnect = ath6kl_cfg80211_disconnect, | |
2939 | .add_key = ath6kl_cfg80211_add_key, | |
2940 | .get_key = ath6kl_cfg80211_get_key, | |
2941 | .del_key = ath6kl_cfg80211_del_key, | |
2942 | .set_default_key = ath6kl_cfg80211_set_default_key, | |
2943 | .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, | |
2944 | .set_tx_power = ath6kl_cfg80211_set_txpower, | |
2945 | .get_tx_power = ath6kl_cfg80211_get_txpower, | |
2946 | .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, | |
2947 | .join_ibss = ath6kl_cfg80211_join_ibss, | |
2948 | .leave_ibss = ath6kl_cfg80211_leave_ibss, | |
2949 | .get_station = ath6kl_get_station, | |
2950 | .set_pmksa = ath6kl_set_pmksa, | |
2951 | .del_pmksa = ath6kl_del_pmksa, | |
2952 | .flush_pmksa = ath6kl_flush_pmksa, | |
003353b0 | 2953 | CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) |
abcb344b | 2954 | #ifdef CONFIG_PM |
52d81a68 KV |
2955 | .suspend = __ath6kl_cfg80211_suspend, |
2956 | .resume = __ath6kl_cfg80211_resume, | |
abcb344b | 2957 | #endif |
6a7c9bad | 2958 | .set_channel = ath6kl_set_channel, |
8860020e JB |
2959 | .start_ap = ath6kl_start_ap, |
2960 | .change_beacon = ath6kl_change_beacon, | |
2961 | .stop_ap = ath6kl_stop_ap, | |
33e5308d | 2962 | .del_station = ath6kl_del_station, |
23875136 | 2963 | .change_station = ath6kl_change_station, |
63fa1e0c JM |
2964 | .remain_on_channel = ath6kl_remain_on_channel, |
2965 | .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, | |
8a6c8060 | 2966 | .mgmt_tx = ath6kl_mgmt_tx, |
ae32c30a | 2967 | .mgmt_frame_register = ath6kl_mgmt_frame_register, |
10509f90 KV |
2968 | .sched_scan_start = ath6kl_cfg80211_sscan_start, |
2969 | .sched_scan_stop = ath6kl_cfg80211_sscan_stop, | |
bdcd8170 KV |
2970 | }; |
2971 | ||
7125f01d | 2972 | void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) |
ec4b7f60 | 2973 | { |
10509f90 KV |
2974 | ath6kl_cfg80211_sscan_disable(vif); |
2975 | ||
ec4b7f60 | 2976 | switch (vif->sme_state) { |
c97a31b0 KV |
2977 | case SME_DISCONNECTED: |
2978 | break; | |
ec4b7f60 KV |
2979 | case SME_CONNECTING: |
2980 | cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, | |
2981 | NULL, 0, | |
2982 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
2983 | GFP_KERNEL); | |
2984 | break; | |
2985 | case SME_CONNECTED: | |
ec4b7f60 KV |
2986 | cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); |
2987 | break; | |
2988 | } | |
2989 | ||
2990 | if (test_bit(CONNECTED, &vif->flags) || | |
2991 | test_bit(CONNECT_PEND, &vif->flags)) | |
7125f01d | 2992 | ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); |
ec4b7f60 KV |
2993 | |
2994 | vif->sme_state = SME_DISCONNECTED; | |
1f405255 KV |
2995 | clear_bit(CONNECTED, &vif->flags); |
2996 | clear_bit(CONNECT_PEND, &vif->flags); | |
ec4b7f60 KV |
2997 | |
2998 | /* disable scanning */ | |
7125f01d KV |
2999 | if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, |
3000 | 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) | |
3001 | ath6kl_warn("failed to disable scan during stop\n"); | |
ec4b7f60 KV |
3002 | |
3003 | ath6kl_cfg80211_scan_complete_event(vif, true); | |
3004 | } | |
3005 | ||
7125f01d KV |
3006 | void ath6kl_cfg80211_stop_all(struct ath6kl *ar) |
3007 | { | |
3008 | struct ath6kl_vif *vif; | |
3009 | ||
3010 | vif = ath6kl_vif_first(ar); | |
3011 | if (!vif) { | |
3012 | /* save the current power mode before enabling power save */ | |
3013 | ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; | |
3014 | ||
3015 | if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) | |
3016 | ath6kl_warn("ath6kl_deep_sleep_enable: " | |
3017 | "wmi_powermode_cmd failed\n"); | |
3018 | return; | |
3019 | } | |
3020 | ||
3021 | /* | |
3022 | * FIXME: we should take ar->list_lock to protect changes in the | |
3023 | * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() | |
3024 | * sleeps. | |
3025 | */ | |
3026 | list_for_each_entry(vif, &ar->vif_list, list) | |
3027 | ath6kl_cfg80211_stop(vif); | |
3028 | } | |
3029 | ||
c25889e8 | 3030 | static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) |
bdcd8170 | 3031 | { |
7baef812 | 3032 | vif->aggr_cntxt = aggr_init(vif); |
2132c69c | 3033 | if (!vif->aggr_cntxt) { |
8dafb70e VT |
3034 | ath6kl_err("failed to initialize aggr\n"); |
3035 | return -ENOMEM; | |
3036 | } | |
3037 | ||
de3ad713 | 3038 | setup_timer(&vif->disconnect_timer, disconnect_timer_handler, |
108438bc | 3039 | (unsigned long) vif->ndev); |
10509f90 KV |
3040 | setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, |
3041 | (unsigned long) vif); | |
3042 | ||
de3ad713 | 3043 | set_bit(WMM_ENABLED, &vif->flags); |
478ac027 | 3044 | spin_lock_init(&vif->if_lock); |
bdcd8170 | 3045 | |
80abaf9b VT |
3046 | INIT_LIST_HEAD(&vif->mc_filter); |
3047 | ||
8dafb70e VT |
3048 | return 0; |
3049 | } | |
3050 | ||
c25889e8 | 3051 | void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) |
8dafb70e | 3052 | { |
55055976 | 3053 | struct ath6kl *ar = vif->ar; |
80abaf9b | 3054 | struct ath6kl_mc_filter *mc_filter, *tmp; |
55055976 | 3055 | |
2132c69c | 3056 | aggr_module_destroy(vif->aggr_cntxt); |
8dafb70e | 3057 | |
55055976 VT |
3058 | ar->avail_idx_map |= BIT(vif->fw_vif_idx); |
3059 | ||
3060 | if (vif->nw_type == ADHOC_NETWORK) | |
3061 | ar->ibss_if_active = false; | |
3062 | ||
80abaf9b VT |
3063 | list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { |
3064 | list_del(&mc_filter->list); | |
3065 | kfree(mc_filter); | |
3066 | } | |
3067 | ||
27929723 | 3068 | unregister_netdevice(vif->ndev); |
55055976 VT |
3069 | |
3070 | ar->num_vif--; | |
8dafb70e VT |
3071 | } |
3072 | ||
3073 | struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name, | |
55055976 VT |
3074 | enum nl80211_iftype type, u8 fw_vif_idx, |
3075 | u8 nw_type) | |
8dafb70e VT |
3076 | { |
3077 | struct net_device *ndev; | |
108438bc | 3078 | struct ath6kl_vif *vif; |
8dafb70e | 3079 | |
55055976 | 3080 | ndev = alloc_netdev(sizeof(*vif), name, ether_setup); |
8dafb70e VT |
3081 | if (!ndev) |
3082 | return NULL; | |
3083 | ||
108438bc VT |
3084 | vif = netdev_priv(ndev); |
3085 | ndev->ieee80211_ptr = &vif->wdev; | |
3086 | vif->wdev.wiphy = ar->wiphy; | |
3087 | vif->ar = ar; | |
108438bc VT |
3088 | vif->ndev = ndev; |
3089 | SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); | |
3090 | vif->wdev.netdev = ndev; | |
3091 | vif->wdev.iftype = type; | |
334234b5 | 3092 | vif->fw_vif_idx = fw_vif_idx; |
d0d670ab KV |
3093 | vif->nw_type = nw_type; |
3094 | vif->next_mode = nw_type; | |
8f46fccd | 3095 | vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; |
ce0dc0cf | 3096 | vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; |
8dafb70e | 3097 | |
55055976 VT |
3098 | memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); |
3099 | if (fw_vif_idx != 0) | |
3100 | ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | | |
3101 | 0x2; | |
3102 | ||
8dafb70e VT |
3103 | init_netdev(ndev); |
3104 | ||
e29f25f5 | 3105 | ath6kl_init_control_info(vif); |
8dafb70e | 3106 | |
c25889e8 | 3107 | if (ath6kl_cfg80211_vif_init(vif)) |
8dafb70e VT |
3108 | goto err; |
3109 | ||
27929723 | 3110 | if (register_netdevice(ndev)) |
8dafb70e VT |
3111 | goto err; |
3112 | ||
55055976 | 3113 | ar->avail_idx_map &= ~BIT(fw_vif_idx); |
14ee6f6b | 3114 | vif->sme_state = SME_DISCONNECTED; |
59c98449 | 3115 | set_bit(WLAN_ENABLED, &vif->flags); |
8dafb70e | 3116 | ar->wlan_pwr_state = WLAN_POWER_STATE_ON; |
59c98449 | 3117 | set_bit(NETDEV_REGISTERED, &vif->flags); |
8dafb70e | 3118 | |
55055976 VT |
3119 | if (type == NL80211_IFTYPE_ADHOC) |
3120 | ar->ibss_if_active = true; | |
3121 | ||
11f6e40d | 3122 | spin_lock_bh(&ar->list_lock); |
990bd915 | 3123 | list_add_tail(&vif->list, &ar->vif_list); |
11f6e40d | 3124 | spin_unlock_bh(&ar->list_lock); |
990bd915 | 3125 | |
8dafb70e VT |
3126 | return ndev; |
3127 | ||
3128 | err: | |
27929723 VT |
3129 | aggr_module_destroy(vif->aggr_cntxt); |
3130 | free_netdev(ndev); | |
8dafb70e VT |
3131 | return NULL; |
3132 | } | |
3133 | ||
46d33a21 KV |
3134 | int ath6kl_cfg80211_init(struct ath6kl *ar) |
3135 | { | |
3136 | struct wiphy *wiphy = ar->wiphy; | |
3137 | int ret; | |
3138 | ||
3139 | wiphy->mgmt_stypes = ath6kl_mgmt_stypes; | |
3140 | ||
3141 | wiphy->max_remain_on_channel_duration = 5000; | |
3142 | ||
3143 | /* set device pointer for wiphy */ | |
3144 | set_wiphy_dev(wiphy, ar->dev); | |
3145 | ||
3146 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
3147 | BIT(NL80211_IFTYPE_ADHOC) | | |
3148 | BIT(NL80211_IFTYPE_AP); | |
3149 | if (ar->p2p) { | |
3150 | wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | | |
3151 | BIT(NL80211_IFTYPE_P2P_CLIENT); | |
3152 | } | |
3153 | ||
3154 | /* max num of ssids that can be probed during scanning */ | |
3155 | wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX; | |
3156 | wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ | |
3157 | wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; | |
3158 | wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; | |
3159 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; | |
3160 | ||
3161 | wiphy->cipher_suites = cipher_suites; | |
3162 | wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
3163 | ||
3164 | wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | | |
3165 | WIPHY_WOWLAN_DISCONNECT | | |
3166 | WIPHY_WOWLAN_GTK_REKEY_FAILURE | | |
3167 | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | | |
3168 | WIPHY_WOWLAN_EAP_IDENTITY_REQ | | |
3169 | WIPHY_WOWLAN_4WAY_HANDSHAKE; | |
3170 | wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; | |
3171 | wiphy->wowlan.pattern_min_len = 1; | |
3172 | wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; | |
3173 | ||
3174 | wiphy->max_sched_scan_ssids = 10; | |
3175 | ||
f2afdac7 VT |
3176 | ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | |
3177 | WIPHY_FLAG_HAVE_AP_SME | | |
3178 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | | |
3179 | WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
3180 | ||
3181 | if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities)) | |
3182 | ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; | |
3183 | ||
3184 | ar->wiphy->probe_resp_offload = | |
3185 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
3186 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | | |
3187 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P | | |
3188 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U; | |
3189 | ||
46d33a21 KV |
3190 | ret = wiphy_register(wiphy); |
3191 | if (ret < 0) { | |
3192 | ath6kl_err("couldn't register wiphy device\n"); | |
3193 | return ret; | |
3194 | } | |
3195 | ||
e5348a1e VT |
3196 | ar->wiphy_registered = true; |
3197 | ||
46d33a21 KV |
3198 | return 0; |
3199 | } | |
3200 | ||
3201 | void ath6kl_cfg80211_cleanup(struct ath6kl *ar) | |
8dafb70e | 3202 | { |
be98e3a4 | 3203 | wiphy_unregister(ar->wiphy); |
e5348a1e VT |
3204 | |
3205 | ar->wiphy_registered = false; | |
45eaa78f | 3206 | } |
46d33a21 | 3207 | |
45eaa78f KV |
3208 | struct ath6kl *ath6kl_cfg80211_create(void) |
3209 | { | |
3210 | struct ath6kl *ar; | |
3211 | struct wiphy *wiphy; | |
3212 | ||
3213 | /* create a new wiphy for use with cfg80211 */ | |
3214 | wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); | |
3215 | ||
3216 | if (!wiphy) { | |
3217 | ath6kl_err("couldn't allocate wiphy device\n"); | |
3218 | return NULL; | |
3219 | } | |
3220 | ||
3221 | ar = wiphy_priv(wiphy); | |
3222 | ar->wiphy = wiphy; | |
3223 | ||
3224 | return ar; | |
3225 | } | |
3226 | ||
3227 | /* Note: ar variable must not be accessed after calling this! */ | |
3228 | void ath6kl_cfg80211_destroy(struct ath6kl *ar) | |
3229 | { | |
1d2a4456 VT |
3230 | int i; |
3231 | ||
3232 | for (i = 0; i < AP_MAX_NUM_STA; i++) | |
3233 | kfree(ar->sta_list[i].aggr_conn); | |
3234 | ||
be98e3a4 | 3235 | wiphy_free(ar->wiphy); |
bdcd8170 | 3236 | } |
45eaa78f | 3237 |