Commit | Line | Data |
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bdcd8170 KV |
1 | /* |
2 | * Copyright (c) 2004-2011 Atheros Communications Inc. | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
6eb07caf PG |
17 | #include <linux/moduleparam.h> |
18 | ||
bdcd8170 KV |
19 | #include "core.h" |
20 | #include "cfg80211.h" | |
21 | #include "debug.h" | |
abcb344b | 22 | #include "hif-ops.h" |
003353b0 | 23 | #include "testmode.h" |
bdcd8170 | 24 | |
6bbc7c35 JM |
25 | static unsigned int ath6kl_p2p; |
26 | ||
27 | module_param(ath6kl_p2p, uint, 0644); | |
28 | ||
bdcd8170 KV |
29 | #define RATETAB_ENT(_rate, _rateid, _flags) { \ |
30 | .bitrate = (_rate), \ | |
31 | .flags = (_flags), \ | |
32 | .hw_value = (_rateid), \ | |
33 | } | |
34 | ||
35 | #define CHAN2G(_channel, _freq, _flags) { \ | |
36 | .band = IEEE80211_BAND_2GHZ, \ | |
37 | .hw_value = (_channel), \ | |
38 | .center_freq = (_freq), \ | |
39 | .flags = (_flags), \ | |
40 | .max_antenna_gain = 0, \ | |
41 | .max_power = 30, \ | |
42 | } | |
43 | ||
44 | #define CHAN5G(_channel, _flags) { \ | |
45 | .band = IEEE80211_BAND_5GHZ, \ | |
46 | .hw_value = (_channel), \ | |
47 | .center_freq = 5000 + (5 * (_channel)), \ | |
48 | .flags = (_flags), \ | |
49 | .max_antenna_gain = 0, \ | |
50 | .max_power = 30, \ | |
51 | } | |
52 | ||
53 | static struct ieee80211_rate ath6kl_rates[] = { | |
54 | RATETAB_ENT(10, 0x1, 0), | |
55 | RATETAB_ENT(20, 0x2, 0), | |
56 | RATETAB_ENT(55, 0x4, 0), | |
57 | RATETAB_ENT(110, 0x8, 0), | |
58 | RATETAB_ENT(60, 0x10, 0), | |
59 | RATETAB_ENT(90, 0x20, 0), | |
60 | RATETAB_ENT(120, 0x40, 0), | |
61 | RATETAB_ENT(180, 0x80, 0), | |
62 | RATETAB_ENT(240, 0x100, 0), | |
63 | RATETAB_ENT(360, 0x200, 0), | |
64 | RATETAB_ENT(480, 0x400, 0), | |
65 | RATETAB_ENT(540, 0x800, 0), | |
66 | }; | |
67 | ||
68 | #define ath6kl_a_rates (ath6kl_rates + 4) | |
69 | #define ath6kl_a_rates_size 8 | |
70 | #define ath6kl_g_rates (ath6kl_rates + 0) | |
71 | #define ath6kl_g_rates_size 12 | |
72 | ||
73 | static struct ieee80211_channel ath6kl_2ghz_channels[] = { | |
74 | CHAN2G(1, 2412, 0), | |
75 | CHAN2G(2, 2417, 0), | |
76 | CHAN2G(3, 2422, 0), | |
77 | CHAN2G(4, 2427, 0), | |
78 | CHAN2G(5, 2432, 0), | |
79 | CHAN2G(6, 2437, 0), | |
80 | CHAN2G(7, 2442, 0), | |
81 | CHAN2G(8, 2447, 0), | |
82 | CHAN2G(9, 2452, 0), | |
83 | CHAN2G(10, 2457, 0), | |
84 | CHAN2G(11, 2462, 0), | |
85 | CHAN2G(12, 2467, 0), | |
86 | CHAN2G(13, 2472, 0), | |
87 | CHAN2G(14, 2484, 0), | |
88 | }; | |
89 | ||
90 | static struct ieee80211_channel ath6kl_5ghz_a_channels[] = { | |
91 | CHAN5G(34, 0), CHAN5G(36, 0), | |
92 | CHAN5G(38, 0), CHAN5G(40, 0), | |
93 | CHAN5G(42, 0), CHAN5G(44, 0), | |
94 | CHAN5G(46, 0), CHAN5G(48, 0), | |
95 | CHAN5G(52, 0), CHAN5G(56, 0), | |
96 | CHAN5G(60, 0), CHAN5G(64, 0), | |
97 | CHAN5G(100, 0), CHAN5G(104, 0), | |
98 | CHAN5G(108, 0), CHAN5G(112, 0), | |
99 | CHAN5G(116, 0), CHAN5G(120, 0), | |
100 | CHAN5G(124, 0), CHAN5G(128, 0), | |
101 | CHAN5G(132, 0), CHAN5G(136, 0), | |
102 | CHAN5G(140, 0), CHAN5G(149, 0), | |
103 | CHAN5G(153, 0), CHAN5G(157, 0), | |
104 | CHAN5G(161, 0), CHAN5G(165, 0), | |
105 | CHAN5G(184, 0), CHAN5G(188, 0), | |
106 | CHAN5G(192, 0), CHAN5G(196, 0), | |
107 | CHAN5G(200, 0), CHAN5G(204, 0), | |
108 | CHAN5G(208, 0), CHAN5G(212, 0), | |
109 | CHAN5G(216, 0), | |
110 | }; | |
111 | ||
112 | static struct ieee80211_supported_band ath6kl_band_2ghz = { | |
113 | .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels), | |
114 | .channels = ath6kl_2ghz_channels, | |
115 | .n_bitrates = ath6kl_g_rates_size, | |
116 | .bitrates = ath6kl_g_rates, | |
117 | }; | |
118 | ||
119 | static struct ieee80211_supported_band ath6kl_band_5ghz = { | |
120 | .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels), | |
121 | .channels = ath6kl_5ghz_a_channels, | |
122 | .n_bitrates = ath6kl_a_rates_size, | |
123 | .bitrates = ath6kl_a_rates, | |
124 | }; | |
125 | ||
837cb97e JM |
126 | #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */ |
127 | ||
10509f90 KV |
128 | /* returns true if scheduled scan was stopped */ |
129 | static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif) | |
130 | { | |
131 | struct ath6kl *ar = vif->ar; | |
132 | ||
133 | if (ar->state != ATH6KL_STATE_SCHED_SCAN) | |
134 | return false; | |
135 | ||
136 | del_timer_sync(&vif->sched_scan_timer); | |
137 | ||
138 | ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
139 | ATH6KL_HOST_MODE_AWAKE); | |
140 | ||
141 | ar->state = ATH6KL_STATE_ON; | |
142 | ||
143 | return true; | |
144 | } | |
145 | ||
146 | static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif) | |
147 | { | |
148 | struct ath6kl *ar = vif->ar; | |
149 | bool stopped; | |
150 | ||
151 | stopped = __ath6kl_cfg80211_sscan_stop(vif); | |
152 | ||
153 | if (!stopped) | |
154 | return; | |
155 | ||
156 | cfg80211_sched_scan_stopped(ar->wiphy); | |
157 | } | |
158 | ||
240d2799 | 159 | static int ath6kl_set_wpa_version(struct ath6kl_vif *vif, |
bdcd8170 KV |
160 | enum nl80211_wpa_versions wpa_version) |
161 | { | |
162 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version); | |
163 | ||
164 | if (!wpa_version) { | |
3450334f | 165 | vif->auth_mode = NONE_AUTH; |
bdcd8170 | 166 | } else if (wpa_version & NL80211_WPA_VERSION_2) { |
3450334f | 167 | vif->auth_mode = WPA2_AUTH; |
bdcd8170 | 168 | } else if (wpa_version & NL80211_WPA_VERSION_1) { |
3450334f | 169 | vif->auth_mode = WPA_AUTH; |
bdcd8170 KV |
170 | } else { |
171 | ath6kl_err("%s: %u not supported\n", __func__, wpa_version); | |
172 | return -ENOTSUPP; | |
173 | } | |
174 | ||
175 | return 0; | |
176 | } | |
177 | ||
240d2799 | 178 | static int ath6kl_set_auth_type(struct ath6kl_vif *vif, |
bdcd8170 KV |
179 | enum nl80211_auth_type auth_type) |
180 | { | |
bdcd8170 KV |
181 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type); |
182 | ||
183 | switch (auth_type) { | |
184 | case NL80211_AUTHTYPE_OPEN_SYSTEM: | |
3450334f | 185 | vif->dot11_auth_mode = OPEN_AUTH; |
bdcd8170 KV |
186 | break; |
187 | case NL80211_AUTHTYPE_SHARED_KEY: | |
3450334f | 188 | vif->dot11_auth_mode = SHARED_AUTH; |
bdcd8170 KV |
189 | break; |
190 | case NL80211_AUTHTYPE_NETWORK_EAP: | |
3450334f | 191 | vif->dot11_auth_mode = LEAP_AUTH; |
bdcd8170 KV |
192 | break; |
193 | ||
194 | case NL80211_AUTHTYPE_AUTOMATIC: | |
3450334f | 195 | vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH; |
bdcd8170 KV |
196 | break; |
197 | ||
198 | default: | |
199 | ath6kl_err("%s: 0x%x not spported\n", __func__, auth_type); | |
200 | return -ENOTSUPP; | |
201 | } | |
202 | ||
203 | return 0; | |
204 | } | |
205 | ||
240d2799 | 206 | static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast) |
bdcd8170 | 207 | { |
3450334f VT |
208 | u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto; |
209 | u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len : | |
210 | &vif->grp_crypto_len; | |
bdcd8170 KV |
211 | |
212 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n", | |
213 | __func__, cipher, ucast); | |
214 | ||
215 | switch (cipher) { | |
216 | case 0: | |
217 | /* our own hack to use value 0 as no crypto used */ | |
218 | *ar_cipher = NONE_CRYPT; | |
219 | *ar_cipher_len = 0; | |
220 | break; | |
221 | case WLAN_CIPHER_SUITE_WEP40: | |
222 | *ar_cipher = WEP_CRYPT; | |
223 | *ar_cipher_len = 5; | |
224 | break; | |
225 | case WLAN_CIPHER_SUITE_WEP104: | |
226 | *ar_cipher = WEP_CRYPT; | |
227 | *ar_cipher_len = 13; | |
228 | break; | |
229 | case WLAN_CIPHER_SUITE_TKIP: | |
230 | *ar_cipher = TKIP_CRYPT; | |
231 | *ar_cipher_len = 0; | |
232 | break; | |
233 | case WLAN_CIPHER_SUITE_CCMP: | |
234 | *ar_cipher = AES_CRYPT; | |
235 | *ar_cipher_len = 0; | |
236 | break; | |
5e07021e DS |
237 | case WLAN_CIPHER_SUITE_SMS4: |
238 | *ar_cipher = WAPI_CRYPT; | |
239 | *ar_cipher_len = 0; | |
240 | break; | |
bdcd8170 KV |
241 | default: |
242 | ath6kl_err("cipher 0x%x not supported\n", cipher); | |
243 | return -ENOTSUPP; | |
244 | } | |
245 | ||
246 | return 0; | |
247 | } | |
248 | ||
240d2799 | 249 | static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt) |
bdcd8170 KV |
250 | { |
251 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt); | |
252 | ||
253 | if (key_mgmt == WLAN_AKM_SUITE_PSK) { | |
3450334f VT |
254 | if (vif->auth_mode == WPA_AUTH) |
255 | vif->auth_mode = WPA_PSK_AUTH; | |
256 | else if (vif->auth_mode == WPA2_AUTH) | |
257 | vif->auth_mode = WPA2_PSK_AUTH; | |
837cb97e | 258 | } else if (key_mgmt == 0x00409600) { |
3450334f VT |
259 | if (vif->auth_mode == WPA_AUTH) |
260 | vif->auth_mode = WPA_AUTH_CCKM; | |
261 | else if (vif->auth_mode == WPA2_AUTH) | |
262 | vif->auth_mode = WPA2_AUTH_CCKM; | |
bdcd8170 | 263 | } else if (key_mgmt != WLAN_AKM_SUITE_8021X) { |
3450334f | 264 | vif->auth_mode = NONE_AUTH; |
bdcd8170 KV |
265 | } |
266 | } | |
267 | ||
990bd915 | 268 | static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif) |
bdcd8170 | 269 | { |
990bd915 | 270 | struct ath6kl *ar = vif->ar; |
59c98449 | 271 | |
bdcd8170 KV |
272 | if (!test_bit(WMI_READY, &ar->flag)) { |
273 | ath6kl_err("wmi is not ready\n"); | |
274 | return false; | |
275 | } | |
276 | ||
59c98449 | 277 | if (!test_bit(WLAN_ENABLED, &vif->flags)) { |
bdcd8170 KV |
278 | ath6kl_err("wlan disabled\n"); |
279 | return false; | |
280 | } | |
281 | ||
282 | return true; | |
283 | } | |
284 | ||
6981ffdc KF |
285 | static bool ath6kl_is_wpa_ie(const u8 *pos) |
286 | { | |
287 | return pos[0] == WLAN_EID_WPA && pos[1] >= 4 && | |
288 | pos[2] == 0x00 && pos[3] == 0x50 && | |
289 | pos[4] == 0xf2 && pos[5] == 0x01; | |
290 | } | |
291 | ||
292 | static bool ath6kl_is_rsn_ie(const u8 *pos) | |
293 | { | |
294 | return pos[0] == WLAN_EID_RSN; | |
295 | } | |
296 | ||
63541212 AT |
297 | static bool ath6kl_is_wps_ie(const u8 *pos) |
298 | { | |
299 | return (pos[0] == WLAN_EID_VENDOR_SPECIFIC && | |
300 | pos[1] >= 4 && | |
301 | pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 && | |
302 | pos[5] == 0x04); | |
303 | } | |
304 | ||
334234b5 VT |
305 | static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies, |
306 | size_t ies_len) | |
6981ffdc | 307 | { |
334234b5 | 308 | struct ath6kl *ar = vif->ar; |
6981ffdc KF |
309 | const u8 *pos; |
310 | u8 *buf = NULL; | |
311 | size_t len = 0; | |
312 | int ret; | |
313 | ||
63541212 AT |
314 | /* |
315 | * Clear previously set flag | |
316 | */ | |
317 | ||
318 | ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; | |
319 | ||
6981ffdc KF |
320 | /* |
321 | * Filter out RSN/WPA IE(s) | |
322 | */ | |
323 | ||
324 | if (ies && ies_len) { | |
325 | buf = kmalloc(ies_len, GFP_KERNEL); | |
326 | if (buf == NULL) | |
327 | return -ENOMEM; | |
328 | pos = ies; | |
329 | ||
330 | while (pos + 1 < ies + ies_len) { | |
331 | if (pos + 2 + pos[1] > ies + ies_len) | |
332 | break; | |
333 | if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) { | |
334 | memcpy(buf + len, pos, 2 + pos[1]); | |
335 | len += 2 + pos[1]; | |
336 | } | |
63541212 AT |
337 | |
338 | if (ath6kl_is_wps_ie(pos)) | |
339 | ar->connect_ctrl_flags |= CONNECT_WPS_FLAG; | |
340 | ||
6981ffdc KF |
341 | pos += 2 + pos[1]; |
342 | } | |
343 | } | |
344 | ||
334234b5 VT |
345 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
346 | WMI_FRAME_ASSOC_REQ, buf, len); | |
6981ffdc KF |
347 | kfree(buf); |
348 | return ret; | |
349 | } | |
350 | ||
55055976 VT |
351 | static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type) |
352 | { | |
353 | switch (type) { | |
354 | case NL80211_IFTYPE_STATION: | |
355 | *nw_type = INFRA_NETWORK; | |
356 | break; | |
357 | case NL80211_IFTYPE_ADHOC: | |
358 | *nw_type = ADHOC_NETWORK; | |
359 | break; | |
360 | case NL80211_IFTYPE_AP: | |
361 | *nw_type = AP_NETWORK; | |
362 | break; | |
363 | case NL80211_IFTYPE_P2P_CLIENT: | |
364 | *nw_type = INFRA_NETWORK; | |
365 | break; | |
366 | case NL80211_IFTYPE_P2P_GO: | |
367 | *nw_type = AP_NETWORK; | |
368 | break; | |
369 | default: | |
370 | ath6kl_err("invalid interface type %u\n", type); | |
371 | return -ENOTSUPP; | |
372 | } | |
373 | ||
374 | return 0; | |
375 | } | |
376 | ||
377 | static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type, | |
378 | u8 *if_idx, u8 *nw_type) | |
379 | { | |
380 | int i; | |
381 | ||
382 | if (ath6kl_nliftype_to_drv_iftype(type, nw_type)) | |
383 | return false; | |
384 | ||
385 | if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) && | |
386 | ar->num_vif)) | |
387 | return false; | |
388 | ||
389 | if (type == NL80211_IFTYPE_STATION || | |
390 | type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) { | |
71f96ee6 | 391 | for (i = 0; i < ar->vif_max; i++) { |
55055976 VT |
392 | if ((ar->avail_idx_map >> i) & BIT(0)) { |
393 | *if_idx = i; | |
394 | return true; | |
395 | } | |
396 | } | |
397 | } | |
398 | ||
3226f68a VT |
399 | if (type == NL80211_IFTYPE_P2P_CLIENT || |
400 | type == NL80211_IFTYPE_P2P_GO) { | |
71f96ee6 | 401 | for (i = ar->max_norm_iface; i < ar->vif_max; i++) { |
3226f68a VT |
402 | if ((ar->avail_idx_map >> i) & BIT(0)) { |
403 | *if_idx = i; | |
404 | return true; | |
405 | } | |
406 | } | |
407 | } | |
408 | ||
55055976 VT |
409 | return false; |
410 | } | |
411 | ||
bdcd8170 KV |
412 | static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, |
413 | struct cfg80211_connect_params *sme) | |
414 | { | |
415 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 416 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 | 417 | int status; |
3ca9d1fc | 418 | u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE; |
bdcd8170 | 419 | |
10509f90 KV |
420 | ath6kl_cfg80211_sscan_disable(vif); |
421 | ||
14ee6f6b | 422 | vif->sme_state = SME_CONNECTING; |
bdcd8170 | 423 | |
990bd915 | 424 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
425 | return -EIO; |
426 | ||
427 | if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { | |
428 | ath6kl_err("destroy in progress\n"); | |
429 | return -EBUSY; | |
430 | } | |
431 | ||
432 | if (test_bit(SKIP_SCAN, &ar->flag) && | |
433 | ((sme->channel && sme->channel->center_freq == 0) || | |
434 | (sme->bssid && is_zero_ether_addr(sme->bssid)))) { | |
435 | ath6kl_err("SkipScan: channel or bssid invalid\n"); | |
436 | return -EINVAL; | |
437 | } | |
438 | ||
439 | if (down_interruptible(&ar->sem)) { | |
440 | ath6kl_err("busy, couldn't get access\n"); | |
441 | return -ERESTARTSYS; | |
442 | } | |
443 | ||
444 | if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { | |
445 | ath6kl_err("busy, destroy in progress\n"); | |
446 | up(&ar->sem); | |
447 | return -EBUSY; | |
448 | } | |
449 | ||
450 | if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) { | |
451 | /* | |
452 | * sleep until the command queue drains | |
453 | */ | |
454 | wait_event_interruptible_timeout(ar->event_wq, | |
455 | ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0, | |
456 | WMI_TIMEOUT); | |
457 | if (signal_pending(current)) { | |
458 | ath6kl_err("cmd queue drain timeout\n"); | |
459 | up(&ar->sem); | |
460 | return -EINTR; | |
461 | } | |
462 | } | |
463 | ||
6e786cb1 JM |
464 | status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len); |
465 | if (status) { | |
466 | up(&ar->sem); | |
467 | return status; | |
468 | } | |
469 | ||
470 | if (sme->ie == NULL || sme->ie_len == 0) | |
542c519a | 471 | ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; |
6981ffdc | 472 | |
59c98449 | 473 | if (test_bit(CONNECTED, &vif->flags) && |
3450334f VT |
474 | vif->ssid_len == sme->ssid_len && |
475 | !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { | |
cf5333d7 | 476 | vif->reconnect_flag = true; |
334234b5 VT |
477 | status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx, |
478 | vif->req_bssid, | |
f74bac54 | 479 | vif->ch_hint); |
bdcd8170 KV |
480 | |
481 | up(&ar->sem); | |
482 | if (status) { | |
483 | ath6kl_err("wmi_reconnect_cmd failed\n"); | |
484 | return -EIO; | |
485 | } | |
486 | return 0; | |
3450334f VT |
487 | } else if (vif->ssid_len == sme->ssid_len && |
488 | !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { | |
240d2799 | 489 | ath6kl_disconnect(vif); |
bdcd8170 KV |
490 | } |
491 | ||
3450334f VT |
492 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
493 | vif->ssid_len = sme->ssid_len; | |
494 | memcpy(vif->ssid, sme->ssid, sme->ssid_len); | |
bdcd8170 KV |
495 | |
496 | if (sme->channel) | |
f74bac54 | 497 | vif->ch_hint = sme->channel->center_freq; |
bdcd8170 | 498 | |
8c8b65e3 | 499 | memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
bdcd8170 | 500 | if (sme->bssid && !is_broadcast_ether_addr(sme->bssid)) |
8c8b65e3 | 501 | memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid)); |
bdcd8170 | 502 | |
240d2799 | 503 | ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions); |
bdcd8170 | 504 | |
240d2799 | 505 | status = ath6kl_set_auth_type(vif, sme->auth_type); |
bdcd8170 KV |
506 | if (status) { |
507 | up(&ar->sem); | |
508 | return status; | |
509 | } | |
510 | ||
511 | if (sme->crypto.n_ciphers_pairwise) | |
240d2799 | 512 | ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true); |
bdcd8170 | 513 | else |
240d2799 | 514 | ath6kl_set_cipher(vif, 0, true); |
bdcd8170 | 515 | |
240d2799 | 516 | ath6kl_set_cipher(vif, sme->crypto.cipher_group, false); |
bdcd8170 KV |
517 | |
518 | if (sme->crypto.n_akm_suites) | |
240d2799 | 519 | ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]); |
bdcd8170 KV |
520 | |
521 | if ((sme->key_len) && | |
3450334f VT |
522 | (vif->auth_mode == NONE_AUTH) && |
523 | (vif->prwise_crypto == WEP_CRYPT)) { | |
bdcd8170 KV |
524 | struct ath6kl_key *key = NULL; |
525 | ||
526 | if (sme->key_idx < WMI_MIN_KEY_INDEX || | |
527 | sme->key_idx > WMI_MAX_KEY_INDEX) { | |
528 | ath6kl_err("key index %d out of bounds\n", | |
529 | sme->key_idx); | |
530 | up(&ar->sem); | |
531 | return -ENOENT; | |
532 | } | |
533 | ||
6f2a73f9 | 534 | key = &vif->keys[sme->key_idx]; |
bdcd8170 KV |
535 | key->key_len = sme->key_len; |
536 | memcpy(key->key, sme->key, key->key_len); | |
3450334f VT |
537 | key->cipher = vif->prwise_crypto; |
538 | vif->def_txkey_index = sme->key_idx; | |
bdcd8170 | 539 | |
334234b5 | 540 | ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx, |
3450334f | 541 | vif->prwise_crypto, |
bdcd8170 KV |
542 | GROUP_USAGE | TX_USAGE, |
543 | key->key_len, | |
f4bb9a6f | 544 | NULL, 0, |
bdcd8170 KV |
545 | key->key, KEY_OP_INIT_VAL, NULL, |
546 | NO_SYNC_WMIFLAG); | |
547 | } | |
548 | ||
549 | if (!ar->usr_bss_filter) { | |
59c98449 | 550 | clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); |
240d2799 VT |
551 | if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, |
552 | ALL_BSS_FILTER, 0) != 0) { | |
bdcd8170 KV |
553 | ath6kl_err("couldn't set bss filtering\n"); |
554 | up(&ar->sem); | |
555 | return -EIO; | |
556 | } | |
557 | } | |
558 | ||
f5938f24 | 559 | vif->nw_type = vif->next_mode; |
bdcd8170 | 560 | |
3ca9d1fc AT |
561 | if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) |
562 | nw_subtype = SUBTYPE_P2PCLIENT; | |
563 | ||
bdcd8170 KV |
564 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
565 | "%s: connect called with authmode %d dot11 auth %d" | |
566 | " PW crypto %d PW crypto len %d GRP crypto %d" | |
567 | " GRP crypto len %d channel hint %u\n", | |
568 | __func__, | |
3450334f VT |
569 | vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, |
570 | vif->prwise_crypto_len, vif->grp_crypto, | |
f74bac54 | 571 | vif->grp_crypto_len, vif->ch_hint); |
bdcd8170 | 572 | |
cf5333d7 | 573 | vif->reconnect_flag = 0; |
334234b5 | 574 | status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, |
3450334f VT |
575 | vif->dot11_auth_mode, vif->auth_mode, |
576 | vif->prwise_crypto, | |
577 | vif->prwise_crypto_len, | |
578 | vif->grp_crypto, vif->grp_crypto_len, | |
579 | vif->ssid_len, vif->ssid, | |
f74bac54 | 580 | vif->req_bssid, vif->ch_hint, |
3ca9d1fc | 581 | ar->connect_ctrl_flags, nw_subtype); |
bdcd8170 KV |
582 | |
583 | up(&ar->sem); | |
584 | ||
585 | if (status == -EINVAL) { | |
3450334f VT |
586 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
587 | vif->ssid_len = 0; | |
bdcd8170 KV |
588 | ath6kl_err("invalid request\n"); |
589 | return -ENOENT; | |
590 | } else if (status) { | |
591 | ath6kl_err("ath6kl_wmi_connect_cmd failed\n"); | |
592 | return -EIO; | |
593 | } | |
594 | ||
595 | if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) && | |
3450334f VT |
596 | ((vif->auth_mode == WPA_PSK_AUTH) |
597 | || (vif->auth_mode == WPA2_PSK_AUTH))) { | |
de3ad713 | 598 | mod_timer(&vif->disconnect_timer, |
bdcd8170 KV |
599 | jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL)); |
600 | } | |
601 | ||
602 | ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD; | |
59c98449 | 603 | set_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 KV |
604 | |
605 | return 0; | |
606 | } | |
607 | ||
5e13fd35 VT |
608 | static struct cfg80211_bss * |
609 | ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, | |
610 | enum network_type nw_type, | |
611 | const u8 *bssid, | |
612 | struct ieee80211_channel *chan, | |
613 | const u8 *beacon_ie, | |
614 | size_t beacon_ie_len) | |
01cac476 | 615 | { |
240d2799 | 616 | struct ath6kl *ar = vif->ar; |
01cac476 | 617 | struct cfg80211_bss *bss; |
4eab6f4f | 618 | u16 cap_mask, cap_val; |
01cac476 JM |
619 | u8 *ie; |
620 | ||
4eab6f4f RM |
621 | if (nw_type & ADHOC_NETWORK) { |
622 | cap_mask = WLAN_CAPABILITY_IBSS; | |
623 | cap_val = WLAN_CAPABILITY_IBSS; | |
624 | } else { | |
625 | cap_mask = WLAN_CAPABILITY_ESS; | |
626 | cap_val = WLAN_CAPABILITY_ESS; | |
627 | } | |
628 | ||
be98e3a4 | 629 | bss = cfg80211_get_bss(ar->wiphy, chan, bssid, |
4eab6f4f RM |
630 | vif->ssid, vif->ssid_len, |
631 | cap_mask, cap_val); | |
01cac476 JM |
632 | if (bss == NULL) { |
633 | /* | |
634 | * Since cfg80211 may not yet know about the BSS, | |
635 | * generate a partial entry until the first BSS info | |
636 | * event becomes available. | |
637 | * | |
638 | * Prepend SSID element since it is not included in the Beacon | |
639 | * IEs from the target. | |
640 | */ | |
3450334f | 641 | ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL); |
01cac476 | 642 | if (ie == NULL) |
5e13fd35 | 643 | return NULL; |
01cac476 | 644 | ie[0] = WLAN_EID_SSID; |
3450334f VT |
645 | ie[1] = vif->ssid_len; |
646 | memcpy(ie + 2, vif->ssid, vif->ssid_len); | |
647 | memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len); | |
be98e3a4 | 648 | bss = cfg80211_inform_bss(ar->wiphy, chan, |
4eab6f4f | 649 | bssid, 0, cap_val, 100, |
3450334f | 650 | ie, 2 + vif->ssid_len + beacon_ie_len, |
01cac476 JM |
651 | 0, GFP_KERNEL); |
652 | if (bss) | |
4eab6f4f RM |
653 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "added bss %pM to " |
654 | "cfg80211\n", bssid); | |
01cac476 JM |
655 | kfree(ie); |
656 | } else | |
5e13fd35 | 657 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n"); |
01cac476 | 658 | |
5e13fd35 | 659 | return bss; |
01cac476 JM |
660 | } |
661 | ||
240d2799 | 662 | void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, |
bdcd8170 KV |
663 | u8 *bssid, u16 listen_intvl, |
664 | u16 beacon_intvl, | |
665 | enum network_type nw_type, | |
666 | u8 beacon_ie_len, u8 assoc_req_len, | |
667 | u8 assoc_resp_len, u8 *assoc_info) | |
668 | { | |
01cac476 | 669 | struct ieee80211_channel *chan; |
240d2799 | 670 | struct ath6kl *ar = vif->ar; |
5e13fd35 | 671 | struct cfg80211_bss *bss; |
bdcd8170 KV |
672 | |
673 | /* capinfo + listen interval */ | |
674 | u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16); | |
675 | ||
676 | /* capinfo + status code + associd */ | |
677 | u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16); | |
678 | ||
679 | u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset; | |
680 | u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len + | |
681 | assoc_resp_ie_offset; | |
682 | ||
683 | assoc_req_len -= assoc_req_ie_offset; | |
684 | assoc_resp_len -= assoc_resp_ie_offset; | |
685 | ||
32c10874 JM |
686 | /* |
687 | * Store Beacon interval here; DTIM period will be available only once | |
688 | * a Beacon frame from the AP is seen. | |
689 | */ | |
cf5333d7 | 690 | vif->assoc_bss_beacon_int = beacon_intvl; |
59c98449 | 691 | clear_bit(DTIM_PERIOD_AVAIL, &vif->flags); |
32c10874 | 692 | |
bdcd8170 | 693 | if (nw_type & ADHOC_NETWORK) { |
551959d8 | 694 | if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { |
bdcd8170 KV |
695 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
696 | "%s: ath6k not in ibss mode\n", __func__); | |
697 | return; | |
698 | } | |
699 | } | |
700 | ||
701 | if (nw_type & INFRA_NETWORK) { | |
551959d8 VT |
702 | if (vif->wdev.iftype != NL80211_IFTYPE_STATION && |
703 | vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { | |
bdcd8170 KV |
704 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
705 | "%s: ath6k not in station mode\n", __func__); | |
706 | return; | |
707 | } | |
708 | } | |
709 | ||
be98e3a4 | 710 | chan = ieee80211_get_channel(ar->wiphy, (int) channel); |
bdcd8170 | 711 | |
5e13fd35 VT |
712 | bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, |
713 | assoc_info, beacon_ie_len); | |
714 | if (!bss) { | |
4eab6f4f | 715 | ath6kl_err("could not add cfg80211 bss entry\n"); |
bdcd8170 KV |
716 | return; |
717 | } | |
718 | ||
4eab6f4f RM |
719 | if (nw_type & ADHOC_NETWORK) { |
720 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", | |
721 | nw_type & ADHOC_CREATOR ? "creator" : "joiner"); | |
722 | cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); | |
5e13fd35 | 723 | cfg80211_put_bss(bss); |
bdcd8170 KV |
724 | return; |
725 | } | |
726 | ||
14ee6f6b | 727 | if (vif->sme_state == SME_CONNECTING) { |
bdcd8170 | 728 | /* inform connect result to cfg80211 */ |
14ee6f6b | 729 | vif->sme_state = SME_CONNECTED; |
240d2799 | 730 | cfg80211_connect_result(vif->ndev, bssid, |
bdcd8170 KV |
731 | assoc_req_ie, assoc_req_len, |
732 | assoc_resp_ie, assoc_resp_len, | |
733 | WLAN_STATUS_SUCCESS, GFP_KERNEL); | |
5e13fd35 | 734 | cfg80211_put_bss(bss); |
14ee6f6b | 735 | } else if (vif->sme_state == SME_CONNECTED) { |
bdcd8170 | 736 | /* inform roam event to cfg80211 */ |
5e13fd35 VT |
737 | cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len, |
738 | assoc_resp_ie, assoc_resp_len, GFP_KERNEL); | |
bdcd8170 KV |
739 | } |
740 | } | |
741 | ||
742 | static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy, | |
743 | struct net_device *dev, u16 reason_code) | |
744 | { | |
d6d5c06c | 745 | struct ath6kl *ar = ath6kl_priv(dev); |
3450334f | 746 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
747 | |
748 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__, | |
749 | reason_code); | |
750 | ||
10509f90 KV |
751 | ath6kl_cfg80211_sscan_disable(vif); |
752 | ||
990bd915 | 753 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
754 | return -EIO; |
755 | ||
756 | if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { | |
757 | ath6kl_err("busy, destroy in progress\n"); | |
758 | return -EBUSY; | |
759 | } | |
760 | ||
761 | if (down_interruptible(&ar->sem)) { | |
762 | ath6kl_err("busy, couldn't get access\n"); | |
763 | return -ERESTARTSYS; | |
764 | } | |
765 | ||
cf5333d7 | 766 | vif->reconnect_flag = 0; |
240d2799 | 767 | ath6kl_disconnect(vif); |
3450334f VT |
768 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
769 | vif->ssid_len = 0; | |
bdcd8170 KV |
770 | |
771 | if (!test_bit(SKIP_SCAN, &ar->flag)) | |
8c8b65e3 | 772 | memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
bdcd8170 KV |
773 | |
774 | up(&ar->sem); | |
775 | ||
14ee6f6b | 776 | vif->sme_state = SME_DISCONNECTED; |
170826dd | 777 | |
bdcd8170 KV |
778 | return 0; |
779 | } | |
780 | ||
240d2799 | 781 | void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, |
bdcd8170 KV |
782 | u8 *bssid, u8 assoc_resp_len, |
783 | u8 *assoc_info, u16 proto_reason) | |
784 | { | |
240d2799 | 785 | struct ath6kl *ar = vif->ar; |
59c98449 | 786 | |
14ee6f6b VT |
787 | if (vif->scan_req) { |
788 | cfg80211_scan_done(vif->scan_req, true); | |
789 | vif->scan_req = NULL; | |
bdcd8170 KV |
790 | } |
791 | ||
f5938f24 | 792 | if (vif->nw_type & ADHOC_NETWORK) { |
551959d8 | 793 | if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { |
bdcd8170 KV |
794 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
795 | "%s: ath6k not in ibss mode\n", __func__); | |
796 | return; | |
797 | } | |
798 | memset(bssid, 0, ETH_ALEN); | |
240d2799 | 799 | cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); |
bdcd8170 KV |
800 | return; |
801 | } | |
802 | ||
f5938f24 | 803 | if (vif->nw_type & INFRA_NETWORK) { |
551959d8 VT |
804 | if (vif->wdev.iftype != NL80211_IFTYPE_STATION && |
805 | vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { | |
bdcd8170 KV |
806 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
807 | "%s: ath6k not in station mode\n", __func__); | |
808 | return; | |
809 | } | |
810 | } | |
811 | ||
1de547d6 VT |
812 | /* |
813 | * Send a disconnect command to target when a disconnect event is | |
814 | * received with reason code other than 3 (DISCONNECT_CMD - disconnect | |
815 | * request from host) to make the firmware stop trying to connect even | |
816 | * after giving disconnect event. There will be one more disconnect | |
817 | * event for this disconnect command with reason code DISCONNECT_CMD | |
818 | * which will be notified to cfg80211. | |
819 | */ | |
bdcd8170 | 820 | |
1de547d6 | 821 | if (reason != DISCONNECT_CMD) { |
334234b5 | 822 | ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); |
bdcd8170 KV |
823 | return; |
824 | } | |
825 | ||
59c98449 | 826 | clear_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 | 827 | |
14ee6f6b | 828 | if (vif->sme_state == SME_CONNECTING) { |
240d2799 | 829 | cfg80211_connect_result(vif->ndev, |
ac59a2b2 VT |
830 | bssid, NULL, 0, |
831 | NULL, 0, | |
832 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
833 | GFP_KERNEL); | |
14ee6f6b | 834 | } else if (vif->sme_state == SME_CONNECTED) { |
240d2799 | 835 | cfg80211_disconnected(vif->ndev, reason, |
ac59a2b2 | 836 | NULL, 0, GFP_KERNEL); |
bdcd8170 KV |
837 | } |
838 | ||
14ee6f6b | 839 | vif->sme_state = SME_DISCONNECTED; |
bdcd8170 KV |
840 | } |
841 | ||
bdcd8170 KV |
842 | static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, |
843 | struct cfg80211_scan_request *request) | |
844 | { | |
d6d5c06c | 845 | struct ath6kl *ar = ath6kl_priv(ndev); |
59c98449 | 846 | struct ath6kl_vif *vif = netdev_priv(ndev); |
1276c9ef EL |
847 | s8 n_channels = 0; |
848 | u16 *channels = NULL; | |
bdcd8170 | 849 | int ret = 0; |
f1f92179 | 850 | u32 force_fg_scan = 0; |
bdcd8170 | 851 | |
990bd915 | 852 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
853 | return -EIO; |
854 | ||
10509f90 KV |
855 | ath6kl_cfg80211_sscan_disable(vif); |
856 | ||
bdcd8170 | 857 | if (!ar->usr_bss_filter) { |
59c98449 | 858 | clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); |
1b1e6ee3 | 859 | ret = ath6kl_wmi_bssfilter_cmd( |
240d2799 | 860 | ar->wmi, vif->fw_vif_idx, |
59c98449 | 861 | (test_bit(CONNECTED, &vif->flags) ? |
1b1e6ee3 JM |
862 | ALL_BUT_BSS_FILTER : ALL_BSS_FILTER), 0); |
863 | if (ret) { | |
bdcd8170 | 864 | ath6kl_err("couldn't set bss filtering\n"); |
1b1e6ee3 | 865 | return ret; |
bdcd8170 KV |
866 | } |
867 | } | |
868 | ||
869 | if (request->n_ssids && request->ssids[0].ssid_len) { | |
870 | u8 i; | |
871 | ||
872 | if (request->n_ssids > (MAX_PROBED_SSID_INDEX - 1)) | |
873 | request->n_ssids = MAX_PROBED_SSID_INDEX - 1; | |
874 | ||
875 | for (i = 0; i < request->n_ssids; i++) | |
334234b5 VT |
876 | ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, |
877 | i + 1, SPECIFIC_SSID_FLAG, | |
bdcd8170 KV |
878 | request->ssids[i].ssid_len, |
879 | request->ssids[i].ssid); | |
880 | } | |
881 | ||
10509f90 KV |
882 | /* |
883 | * FIXME: we should clear the IE in fw if it's not set so just | |
884 | * remove the check altogether | |
885 | */ | |
b84da8c7 | 886 | if (request->ie) { |
334234b5 VT |
887 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
888 | WMI_FRAME_PROBE_REQ, | |
b84da8c7 JM |
889 | request->ie, request->ie_len); |
890 | if (ret) { | |
891 | ath6kl_err("failed to set Probe Request appie for " | |
892 | "scan"); | |
893 | return ret; | |
894 | } | |
895 | } | |
896 | ||
11869bef JM |
897 | /* |
898 | * Scan only the requested channels if the request specifies a set of | |
899 | * channels. If the list is longer than the target supports, do not | |
900 | * configure the list and instead, scan all available channels. | |
901 | */ | |
902 | if (request->n_channels > 0 && | |
903 | request->n_channels <= WMI_MAX_CHANNELS) { | |
1276c9ef EL |
904 | u8 i; |
905 | ||
11869bef | 906 | n_channels = request->n_channels; |
1276c9ef EL |
907 | |
908 | channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL); | |
909 | if (channels == NULL) { | |
910 | ath6kl_warn("failed to set scan channels, " | |
911 | "scan all channels"); | |
912 | n_channels = 0; | |
913 | } | |
914 | ||
915 | for (i = 0; i < n_channels; i++) | |
916 | channels[i] = request->channels[i]->center_freq; | |
917 | } | |
918 | ||
59c98449 | 919 | if (test_bit(CONNECTED, &vif->flags)) |
f1f92179 VT |
920 | force_fg_scan = 1; |
921 | ||
3ca9d1fc AT |
922 | if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, |
923 | ar->fw_capabilities)) { | |
924 | /* | |
925 | * If capable of doing P2P mgmt operations using | |
926 | * station interface, send additional information like | |
927 | * supported rates to advertise and xmit rates for | |
928 | * probe requests | |
929 | */ | |
930 | ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, | |
931 | WMI_LONG_SCAN, force_fg_scan, | |
932 | false, 0, 0, n_channels, | |
933 | channels, request->no_cck, | |
934 | request->rates); | |
935 | } else { | |
936 | ret = ath6kl_wmi_startscan_cmd(ar->wmi, vif->fw_vif_idx, | |
937 | WMI_LONG_SCAN, force_fg_scan, | |
938 | false, 0, 0, n_channels, | |
939 | channels); | |
940 | } | |
1b1e6ee3 | 941 | if (ret) |
bdcd8170 | 942 | ath6kl_err("wmi_startscan_cmd failed\n"); |
11869bef | 943 | else |
14ee6f6b | 944 | vif->scan_req = request; |
bdcd8170 | 945 | |
1276c9ef EL |
946 | kfree(channels); |
947 | ||
bdcd8170 KV |
948 | return ret; |
949 | } | |
950 | ||
1c17d313 | 951 | void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted) |
bdcd8170 | 952 | { |
240d2799 | 953 | struct ath6kl *ar = vif->ar; |
6fd1eace | 954 | int i; |
bdcd8170 | 955 | |
1c17d313 KV |
956 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__, |
957 | aborted ? " aborted" : ""); | |
bdcd8170 | 958 | |
14ee6f6b | 959 | if (!vif->scan_req) |
6fd1eace KV |
960 | return; |
961 | ||
1c17d313 | 962 | if (aborted) |
6fd1eace | 963 | goto out; |
6fd1eace | 964 | |
14ee6f6b VT |
965 | if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) { |
966 | for (i = 0; i < vif->scan_req->n_ssids; i++) { | |
334234b5 VT |
967 | ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, |
968 | i + 1, DISABLE_SSID_FLAG, | |
6fd1eace | 969 | 0, NULL); |
bdcd8170 | 970 | } |
bdcd8170 | 971 | } |
6fd1eace KV |
972 | |
973 | out: | |
cb93821a | 974 | cfg80211_scan_done(vif->scan_req, aborted); |
14ee6f6b | 975 | vif->scan_req = NULL; |
bdcd8170 KV |
976 | } |
977 | ||
978 | static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, | |
979 | u8 key_index, bool pairwise, | |
980 | const u8 *mac_addr, | |
981 | struct key_params *params) | |
982 | { | |
d6d5c06c | 983 | struct ath6kl *ar = ath6kl_priv(ndev); |
59c98449 | 984 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 KV |
985 | struct ath6kl_key *key = NULL; |
986 | u8 key_usage; | |
987 | u8 key_type; | |
bdcd8170 | 988 | |
990bd915 | 989 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
990 | return -EIO; |
991 | ||
837cb97e JM |
992 | if (params->cipher == CCKM_KRK_CIPHER_SUITE) { |
993 | if (params->key_len != WMI_KRK_LEN) | |
994 | return -EINVAL; | |
240d2799 VT |
995 | return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, |
996 | params->key); | |
837cb97e JM |
997 | } |
998 | ||
bdcd8170 KV |
999 | if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { |
1000 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1001 | "%s: key index %d out of bounds\n", __func__, | |
1002 | key_index); | |
1003 | return -ENOENT; | |
1004 | } | |
1005 | ||
6f2a73f9 | 1006 | key = &vif->keys[key_index]; |
bdcd8170 KV |
1007 | memset(key, 0, sizeof(struct ath6kl_key)); |
1008 | ||
1009 | if (pairwise) | |
1010 | key_usage = PAIRWISE_USAGE; | |
1011 | else | |
1012 | key_usage = GROUP_USAGE; | |
1013 | ||
1014 | if (params) { | |
5e07021e DS |
1015 | int seq_len = params->seq_len; |
1016 | if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && | |
1017 | seq_len > ATH6KL_KEY_SEQ_LEN) { | |
1018 | /* Only first half of the WPI PN is configured */ | |
1019 | seq_len = ATH6KL_KEY_SEQ_LEN; | |
1020 | } | |
bdcd8170 | 1021 | if (params->key_len > WLAN_MAX_KEY_LEN || |
5e07021e | 1022 | seq_len > sizeof(key->seq)) |
bdcd8170 KV |
1023 | return -EINVAL; |
1024 | ||
1025 | key->key_len = params->key_len; | |
1026 | memcpy(key->key, params->key, key->key_len); | |
5e07021e | 1027 | key->seq_len = seq_len; |
bdcd8170 KV |
1028 | memcpy(key->seq, params->seq, key->seq_len); |
1029 | key->cipher = params->cipher; | |
1030 | } | |
1031 | ||
1032 | switch (key->cipher) { | |
1033 | case WLAN_CIPHER_SUITE_WEP40: | |
1034 | case WLAN_CIPHER_SUITE_WEP104: | |
1035 | key_type = WEP_CRYPT; | |
1036 | break; | |
1037 | ||
1038 | case WLAN_CIPHER_SUITE_TKIP: | |
1039 | key_type = TKIP_CRYPT; | |
1040 | break; | |
1041 | ||
1042 | case WLAN_CIPHER_SUITE_CCMP: | |
1043 | key_type = AES_CRYPT; | |
1044 | break; | |
5e07021e DS |
1045 | case WLAN_CIPHER_SUITE_SMS4: |
1046 | key_type = WAPI_CRYPT; | |
1047 | break; | |
bdcd8170 KV |
1048 | |
1049 | default: | |
1050 | return -ENOTSUPP; | |
1051 | } | |
1052 | ||
3450334f VT |
1053 | if (((vif->auth_mode == WPA_PSK_AUTH) |
1054 | || (vif->auth_mode == WPA2_PSK_AUTH)) | |
bdcd8170 | 1055 | && (key_usage & GROUP_USAGE)) |
de3ad713 | 1056 | del_timer(&vif->disconnect_timer); |
bdcd8170 KV |
1057 | |
1058 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1059 | "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", | |
1060 | __func__, key_index, key->key_len, key_type, | |
1061 | key_usage, key->seq_len); | |
1062 | ||
f5938f24 | 1063 | if (vif->nw_type == AP_NETWORK && !pairwise && |
4703290a JM |
1064 | (key_type == TKIP_CRYPT || key_type == AES_CRYPT || |
1065 | key_type == WAPI_CRYPT) && params) { | |
9a5b1318 JM |
1066 | ar->ap_mode_bkey.valid = true; |
1067 | ar->ap_mode_bkey.key_index = key_index; | |
1068 | ar->ap_mode_bkey.key_type = key_type; | |
1069 | ar->ap_mode_bkey.key_len = key->key_len; | |
1070 | memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); | |
59c98449 | 1071 | if (!test_bit(CONNECTED, &vif->flags)) { |
9a5b1318 JM |
1072 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay initial group " |
1073 | "key configuration until AP mode has been " | |
1074 | "started\n"); | |
1075 | /* | |
1076 | * The key will be set in ath6kl_connect_ap_mode() once | |
1077 | * the connected event is received from the target. | |
1078 | */ | |
1079 | return 0; | |
1080 | } | |
1081 | } | |
1082 | ||
f5938f24 | 1083 | if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && |
59c98449 | 1084 | !test_bit(CONNECTED, &vif->flags)) { |
151411e8 JM |
1085 | /* |
1086 | * Store the key locally so that it can be re-configured after | |
1087 | * the AP mode has properly started | |
1088 | * (ath6kl_install_statioc_wep_keys). | |
1089 | */ | |
1090 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay WEP key configuration " | |
1091 | "until AP mode has been started\n"); | |
6f2a73f9 VT |
1092 | vif->wep_key_list[key_index].key_len = key->key_len; |
1093 | memcpy(vif->wep_key_list[key_index].key, key->key, | |
1094 | key->key_len); | |
151411e8 JM |
1095 | return 0; |
1096 | } | |
1097 | ||
7cefa44f | 1098 | return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, |
f3e61ece JM |
1099 | key_type, key_usage, key->key_len, |
1100 | key->seq, key->seq_len, key->key, | |
1101 | KEY_OP_INIT_VAL, | |
1102 | (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); | |
bdcd8170 KV |
1103 | } |
1104 | ||
1105 | static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, | |
1106 | u8 key_index, bool pairwise, | |
1107 | const u8 *mac_addr) | |
1108 | { | |
d6d5c06c | 1109 | struct ath6kl *ar = ath6kl_priv(ndev); |
6f2a73f9 | 1110 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 KV |
1111 | |
1112 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); | |
1113 | ||
990bd915 | 1114 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1115 | return -EIO; |
1116 | ||
1117 | if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { | |
1118 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1119 | "%s: key index %d out of bounds\n", __func__, | |
1120 | key_index); | |
1121 | return -ENOENT; | |
1122 | } | |
1123 | ||
6f2a73f9 | 1124 | if (!vif->keys[key_index].key_len) { |
bdcd8170 KV |
1125 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1126 | "%s: index %d is empty\n", __func__, key_index); | |
1127 | return 0; | |
1128 | } | |
1129 | ||
6f2a73f9 | 1130 | vif->keys[key_index].key_len = 0; |
bdcd8170 | 1131 | |
334234b5 | 1132 | return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); |
bdcd8170 KV |
1133 | } |
1134 | ||
1135 | static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, | |
1136 | u8 key_index, bool pairwise, | |
1137 | const u8 *mac_addr, void *cookie, | |
1138 | void (*callback) (void *cookie, | |
1139 | struct key_params *)) | |
1140 | { | |
6f2a73f9 | 1141 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 KV |
1142 | struct ath6kl_key *key = NULL; |
1143 | struct key_params params; | |
1144 | ||
1145 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); | |
1146 | ||
990bd915 | 1147 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1148 | return -EIO; |
1149 | ||
1150 | if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { | |
1151 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1152 | "%s: key index %d out of bounds\n", __func__, | |
1153 | key_index); | |
1154 | return -ENOENT; | |
1155 | } | |
1156 | ||
6f2a73f9 | 1157 | key = &vif->keys[key_index]; |
bdcd8170 KV |
1158 | memset(¶ms, 0, sizeof(params)); |
1159 | params.cipher = key->cipher; | |
1160 | params.key_len = key->key_len; | |
1161 | params.seq_len = key->seq_len; | |
1162 | params.seq = key->seq; | |
1163 | params.key = key->key; | |
1164 | ||
1165 | callback(cookie, ¶ms); | |
1166 | ||
1167 | return key->key_len ? 0 : -ENOENT; | |
1168 | } | |
1169 | ||
1170 | static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, | |
1171 | struct net_device *ndev, | |
1172 | u8 key_index, bool unicast, | |
1173 | bool multicast) | |
1174 | { | |
d6d5c06c | 1175 | struct ath6kl *ar = ath6kl_priv(ndev); |
59c98449 | 1176 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 | 1177 | struct ath6kl_key *key = NULL; |
bdcd8170 | 1178 | u8 key_usage; |
229ed6b5 | 1179 | enum crypto_type key_type = NONE_CRYPT; |
bdcd8170 KV |
1180 | |
1181 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); | |
1182 | ||
990bd915 | 1183 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1184 | return -EIO; |
1185 | ||
1186 | if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { | |
1187 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1188 | "%s: key index %d out of bounds\n", | |
1189 | __func__, key_index); | |
1190 | return -ENOENT; | |
1191 | } | |
1192 | ||
6f2a73f9 | 1193 | if (!vif->keys[key_index].key_len) { |
bdcd8170 KV |
1194 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", |
1195 | __func__, key_index); | |
1196 | return -EINVAL; | |
1197 | } | |
1198 | ||
3450334f | 1199 | vif->def_txkey_index = key_index; |
6f2a73f9 | 1200 | key = &vif->keys[vif->def_txkey_index]; |
bdcd8170 | 1201 | key_usage = GROUP_USAGE; |
3450334f | 1202 | if (vif->prwise_crypto == WEP_CRYPT) |
bdcd8170 | 1203 | key_usage |= TX_USAGE; |
229ed6b5 | 1204 | if (unicast) |
3450334f | 1205 | key_type = vif->prwise_crypto; |
229ed6b5 | 1206 | if (multicast) |
3450334f | 1207 | key_type = vif->grp_crypto; |
bdcd8170 | 1208 | |
f5938f24 | 1209 | if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) |
9a5b1318 JM |
1210 | return 0; /* Delay until AP mode has been started */ |
1211 | ||
f3e61ece JM |
1212 | return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, |
1213 | vif->def_txkey_index, | |
1214 | key_type, key_usage, | |
1215 | key->key_len, key->seq, key->seq_len, | |
1216 | key->key, | |
1217 | KEY_OP_INIT_VAL, NULL, | |
1218 | SYNC_BOTH_WMIFLAG); | |
bdcd8170 KV |
1219 | } |
1220 | ||
240d2799 | 1221 | void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, |
bdcd8170 KV |
1222 | bool ismcast) |
1223 | { | |
1224 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1225 | "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); | |
1226 | ||
240d2799 | 1227 | cfg80211_michael_mic_failure(vif->ndev, vif->bssid, |
bdcd8170 KV |
1228 | (ismcast ? NL80211_KEYTYPE_GROUP : |
1229 | NL80211_KEYTYPE_PAIRWISE), keyid, NULL, | |
1230 | GFP_KERNEL); | |
1231 | } | |
1232 | ||
1233 | static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
1234 | { | |
1235 | struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); | |
990bd915 | 1236 | struct ath6kl_vif *vif; |
bdcd8170 KV |
1237 | int ret; |
1238 | ||
1239 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, | |
1240 | changed); | |
1241 | ||
990bd915 VT |
1242 | vif = ath6kl_vif_first(ar); |
1243 | if (!vif) | |
1244 | return -EIO; | |
1245 | ||
1246 | if (!ath6kl_cfg80211_ready(vif)) | |
bdcd8170 KV |
1247 | return -EIO; |
1248 | ||
1249 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
1250 | ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); | |
1251 | if (ret != 0) { | |
1252 | ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); | |
1253 | return -EIO; | |
1254 | } | |
1255 | } | |
1256 | ||
1257 | return 0; | |
1258 | } | |
1259 | ||
1260 | /* | |
1261 | * The type nl80211_tx_power_setting replaces the following | |
1262 | * data type from 2.6.36 onwards | |
1263 | */ | |
1264 | static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, | |
1265 | enum nl80211_tx_power_setting type, | |
b992a285 | 1266 | int mbm) |
bdcd8170 KV |
1267 | { |
1268 | struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); | |
990bd915 | 1269 | struct ath6kl_vif *vif; |
bdcd8170 | 1270 | u8 ath6kl_dbm; |
b992a285 | 1271 | int dbm = MBM_TO_DBM(mbm); |
bdcd8170 KV |
1272 | |
1273 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, | |
1274 | type, dbm); | |
1275 | ||
990bd915 VT |
1276 | vif = ath6kl_vif_first(ar); |
1277 | if (!vif) | |
1278 | return -EIO; | |
1279 | ||
1280 | if (!ath6kl_cfg80211_ready(vif)) | |
bdcd8170 KV |
1281 | return -EIO; |
1282 | ||
1283 | switch (type) { | |
1284 | case NL80211_TX_POWER_AUTOMATIC: | |
1285 | return 0; | |
1286 | case NL80211_TX_POWER_LIMITED: | |
1287 | ar->tx_pwr = ath6kl_dbm = dbm; | |
1288 | break; | |
1289 | default: | |
1290 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", | |
1291 | __func__, type); | |
1292 | return -EOPNOTSUPP; | |
1293 | } | |
1294 | ||
990bd915 | 1295 | ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, ath6kl_dbm); |
bdcd8170 KV |
1296 | |
1297 | return 0; | |
1298 | } | |
1299 | ||
1300 | static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm) | |
1301 | { | |
1302 | struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); | |
990bd915 VT |
1303 | struct ath6kl_vif *vif; |
1304 | ||
1305 | vif = ath6kl_vif_first(ar); | |
1306 | if (!vif) | |
1307 | return -EIO; | |
bdcd8170 | 1308 | |
990bd915 | 1309 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1310 | return -EIO; |
1311 | ||
59c98449 | 1312 | if (test_bit(CONNECTED, &vif->flags)) { |
bdcd8170 KV |
1313 | ar->tx_pwr = 0; |
1314 | ||
990bd915 | 1315 | if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { |
bdcd8170 KV |
1316 | ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); |
1317 | return -EIO; | |
1318 | } | |
1319 | ||
1320 | wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, | |
1321 | 5 * HZ); | |
1322 | ||
1323 | if (signal_pending(current)) { | |
1324 | ath6kl_err("target did not respond\n"); | |
1325 | return -EINTR; | |
1326 | } | |
1327 | } | |
1328 | ||
1329 | *dbm = ar->tx_pwr; | |
1330 | return 0; | |
1331 | } | |
1332 | ||
1333 | static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, | |
1334 | struct net_device *dev, | |
1335 | bool pmgmt, int timeout) | |
1336 | { | |
1337 | struct ath6kl *ar = ath6kl_priv(dev); | |
1338 | struct wmi_power_mode_cmd mode; | |
334234b5 | 1339 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
1340 | |
1341 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", | |
1342 | __func__, pmgmt, timeout); | |
1343 | ||
990bd915 | 1344 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1345 | return -EIO; |
1346 | ||
1347 | if (pmgmt) { | |
1348 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); | |
1349 | mode.pwr_mode = REC_POWER; | |
1350 | } else { | |
1351 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); | |
1352 | mode.pwr_mode = MAX_PERF_POWER; | |
1353 | } | |
1354 | ||
334234b5 VT |
1355 | if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, |
1356 | mode.pwr_mode) != 0) { | |
bdcd8170 KV |
1357 | ath6kl_err("wmi_powermode_cmd failed\n"); |
1358 | return -EIO; | |
1359 | } | |
1360 | ||
1361 | return 0; | |
1362 | } | |
1363 | ||
55055976 VT |
1364 | static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, |
1365 | char *name, | |
1366 | enum nl80211_iftype type, | |
1367 | u32 *flags, | |
1368 | struct vif_params *params) | |
1369 | { | |
1370 | struct ath6kl *ar = wiphy_priv(wiphy); | |
1371 | struct net_device *ndev; | |
1372 | u8 if_idx, nw_type; | |
1373 | ||
71f96ee6 | 1374 | if (ar->num_vif == ar->vif_max) { |
55055976 VT |
1375 | ath6kl_err("Reached maximum number of supported vif\n"); |
1376 | return ERR_PTR(-EINVAL); | |
1377 | } | |
1378 | ||
1379 | if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { | |
1380 | ath6kl_err("Not a supported interface type\n"); | |
1381 | return ERR_PTR(-EINVAL); | |
1382 | } | |
1383 | ||
1384 | ndev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); | |
1385 | if (!ndev) | |
1386 | return ERR_PTR(-ENOMEM); | |
1387 | ||
1388 | ar->num_vif++; | |
1389 | ||
1390 | return ndev; | |
1391 | } | |
1392 | ||
1393 | static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, | |
1394 | struct net_device *ndev) | |
1395 | { | |
1396 | struct ath6kl *ar = wiphy_priv(wiphy); | |
1397 | struct ath6kl_vif *vif = netdev_priv(ndev); | |
1398 | ||
11f6e40d | 1399 | spin_lock_bh(&ar->list_lock); |
55055976 | 1400 | list_del(&vif->list); |
11f6e40d | 1401 | spin_unlock_bh(&ar->list_lock); |
55055976 VT |
1402 | |
1403 | ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); | |
1404 | ||
1405 | ath6kl_deinit_if_data(vif); | |
1406 | ||
1407 | return 0; | |
1408 | } | |
1409 | ||
bdcd8170 KV |
1410 | static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, |
1411 | struct net_device *ndev, | |
1412 | enum nl80211_iftype type, u32 *flags, | |
1413 | struct vif_params *params) | |
1414 | { | |
f5938f24 | 1415 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 KV |
1416 | |
1417 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); | |
1418 | ||
bdcd8170 KV |
1419 | switch (type) { |
1420 | case NL80211_IFTYPE_STATION: | |
f5938f24 | 1421 | vif->next_mode = INFRA_NETWORK; |
bdcd8170 KV |
1422 | break; |
1423 | case NL80211_IFTYPE_ADHOC: | |
f5938f24 | 1424 | vif->next_mode = ADHOC_NETWORK; |
bdcd8170 | 1425 | break; |
6e4604c8 | 1426 | case NL80211_IFTYPE_AP: |
f5938f24 | 1427 | vif->next_mode = AP_NETWORK; |
6e4604c8 | 1428 | break; |
6b5e5d25 | 1429 | case NL80211_IFTYPE_P2P_CLIENT: |
f5938f24 | 1430 | vif->next_mode = INFRA_NETWORK; |
6b5e5d25 JM |
1431 | break; |
1432 | case NL80211_IFTYPE_P2P_GO: | |
f5938f24 | 1433 | vif->next_mode = AP_NETWORK; |
6b5e5d25 | 1434 | break; |
bdcd8170 KV |
1435 | default: |
1436 | ath6kl_err("invalid interface type %u\n", type); | |
1437 | return -EOPNOTSUPP; | |
1438 | } | |
1439 | ||
551959d8 | 1440 | vif->wdev.iftype = type; |
bdcd8170 KV |
1441 | |
1442 | return 0; | |
1443 | } | |
1444 | ||
1445 | static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, | |
1446 | struct net_device *dev, | |
1447 | struct cfg80211_ibss_params *ibss_param) | |
1448 | { | |
1449 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 1450 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
1451 | int status; |
1452 | ||
990bd915 | 1453 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1454 | return -EIO; |
1455 | ||
3450334f VT |
1456 | vif->ssid_len = ibss_param->ssid_len; |
1457 | memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); | |
bdcd8170 KV |
1458 | |
1459 | if (ibss_param->channel) | |
f74bac54 | 1460 | vif->ch_hint = ibss_param->channel->center_freq; |
bdcd8170 KV |
1461 | |
1462 | if (ibss_param->channel_fixed) { | |
1463 | /* | |
1464 | * TODO: channel_fixed: The channel should be fixed, do not | |
1465 | * search for IBSSs to join on other channels. Target | |
1466 | * firmware does not support this feature, needs to be | |
1467 | * updated. | |
1468 | */ | |
1469 | return -EOPNOTSUPP; | |
1470 | } | |
1471 | ||
8c8b65e3 | 1472 | memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
bdcd8170 | 1473 | if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) |
8c8b65e3 VT |
1474 | memcpy(vif->req_bssid, ibss_param->bssid, |
1475 | sizeof(vif->req_bssid)); | |
bdcd8170 | 1476 | |
240d2799 | 1477 | ath6kl_set_wpa_version(vif, 0); |
bdcd8170 | 1478 | |
240d2799 | 1479 | status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); |
bdcd8170 KV |
1480 | if (status) |
1481 | return status; | |
1482 | ||
1483 | if (ibss_param->privacy) { | |
240d2799 VT |
1484 | ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); |
1485 | ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); | |
bdcd8170 | 1486 | } else { |
240d2799 VT |
1487 | ath6kl_set_cipher(vif, 0, true); |
1488 | ath6kl_set_cipher(vif, 0, false); | |
bdcd8170 KV |
1489 | } |
1490 | ||
f5938f24 | 1491 | vif->nw_type = vif->next_mode; |
bdcd8170 KV |
1492 | |
1493 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1494 | "%s: connect called with authmode %d dot11 auth %d" | |
1495 | " PW crypto %d PW crypto len %d GRP crypto %d" | |
1496 | " GRP crypto len %d channel hint %u\n", | |
1497 | __func__, | |
3450334f VT |
1498 | vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, |
1499 | vif->prwise_crypto_len, vif->grp_crypto, | |
f74bac54 | 1500 | vif->grp_crypto_len, vif->ch_hint); |
bdcd8170 | 1501 | |
334234b5 | 1502 | status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, |
3450334f VT |
1503 | vif->dot11_auth_mode, vif->auth_mode, |
1504 | vif->prwise_crypto, | |
1505 | vif->prwise_crypto_len, | |
1506 | vif->grp_crypto, vif->grp_crypto_len, | |
1507 | vif->ssid_len, vif->ssid, | |
f74bac54 | 1508 | vif->req_bssid, vif->ch_hint, |
3ca9d1fc | 1509 | ar->connect_ctrl_flags, SUBTYPE_NONE); |
59c98449 | 1510 | set_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 KV |
1511 | |
1512 | return 0; | |
1513 | } | |
1514 | ||
1515 | static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, | |
1516 | struct net_device *dev) | |
1517 | { | |
3450334f | 1518 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 | 1519 | |
990bd915 | 1520 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1521 | return -EIO; |
1522 | ||
240d2799 | 1523 | ath6kl_disconnect(vif); |
3450334f VT |
1524 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
1525 | vif->ssid_len = 0; | |
bdcd8170 KV |
1526 | |
1527 | return 0; | |
1528 | } | |
1529 | ||
1530 | static const u32 cipher_suites[] = { | |
1531 | WLAN_CIPHER_SUITE_WEP40, | |
1532 | WLAN_CIPHER_SUITE_WEP104, | |
1533 | WLAN_CIPHER_SUITE_TKIP, | |
1534 | WLAN_CIPHER_SUITE_CCMP, | |
837cb97e | 1535 | CCKM_KRK_CIPHER_SUITE, |
5e07021e | 1536 | WLAN_CIPHER_SUITE_SMS4, |
bdcd8170 KV |
1537 | }; |
1538 | ||
1539 | static bool is_rate_legacy(s32 rate) | |
1540 | { | |
1541 | static const s32 legacy[] = { 1000, 2000, 5500, 11000, | |
1542 | 6000, 9000, 12000, 18000, 24000, | |
1543 | 36000, 48000, 54000 | |
1544 | }; | |
1545 | u8 i; | |
1546 | ||
1547 | for (i = 0; i < ARRAY_SIZE(legacy); i++) | |
1548 | if (rate == legacy[i]) | |
1549 | return true; | |
1550 | ||
1551 | return false; | |
1552 | } | |
1553 | ||
1554 | static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) | |
1555 | { | |
1556 | static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, | |
1557 | 52000, 58500, 65000, 72200 | |
1558 | }; | |
1559 | u8 i; | |
1560 | ||
1561 | for (i = 0; i < ARRAY_SIZE(ht20); i++) { | |
1562 | if (rate == ht20[i]) { | |
1563 | if (i == ARRAY_SIZE(ht20) - 1) | |
1564 | /* last rate uses sgi */ | |
1565 | *sgi = true; | |
1566 | else | |
1567 | *sgi = false; | |
1568 | ||
1569 | *mcs = i; | |
1570 | return true; | |
1571 | } | |
1572 | } | |
1573 | return false; | |
1574 | } | |
1575 | ||
1576 | static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) | |
1577 | { | |
1578 | static const s32 ht40[] = { 13500, 27000, 40500, 54000, | |
1579 | 81000, 108000, 121500, 135000, | |
1580 | 150000 | |
1581 | }; | |
1582 | u8 i; | |
1583 | ||
1584 | for (i = 0; i < ARRAY_SIZE(ht40); i++) { | |
1585 | if (rate == ht40[i]) { | |
1586 | if (i == ARRAY_SIZE(ht40) - 1) | |
1587 | /* last rate uses sgi */ | |
1588 | *sgi = true; | |
1589 | else | |
1590 | *sgi = false; | |
1591 | ||
1592 | *mcs = i; | |
1593 | return true; | |
1594 | } | |
1595 | } | |
1596 | ||
1597 | return false; | |
1598 | } | |
1599 | ||
1600 | static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, | |
1601 | u8 *mac, struct station_info *sinfo) | |
1602 | { | |
1603 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 1604 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
1605 | long left; |
1606 | bool sgi; | |
1607 | s32 rate; | |
1608 | int ret; | |
1609 | u8 mcs; | |
1610 | ||
8c8b65e3 | 1611 | if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) |
bdcd8170 KV |
1612 | return -ENOENT; |
1613 | ||
1614 | if (down_interruptible(&ar->sem)) | |
1615 | return -EBUSY; | |
1616 | ||
b95907a7 | 1617 | set_bit(STATS_UPDATE_PEND, &vif->flags); |
bdcd8170 | 1618 | |
334234b5 | 1619 | ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); |
bdcd8170 KV |
1620 | |
1621 | if (ret != 0) { | |
1622 | up(&ar->sem); | |
1623 | return -EIO; | |
1624 | } | |
1625 | ||
1626 | left = wait_event_interruptible_timeout(ar->event_wq, | |
1627 | !test_bit(STATS_UPDATE_PEND, | |
b95907a7 | 1628 | &vif->flags), |
bdcd8170 KV |
1629 | WMI_TIMEOUT); |
1630 | ||
1631 | up(&ar->sem); | |
1632 | ||
1633 | if (left == 0) | |
1634 | return -ETIMEDOUT; | |
1635 | else if (left < 0) | |
1636 | return left; | |
1637 | ||
b95907a7 VT |
1638 | if (vif->target_stats.rx_byte) { |
1639 | sinfo->rx_bytes = vif->target_stats.rx_byte; | |
bdcd8170 | 1640 | sinfo->filled |= STATION_INFO_RX_BYTES; |
b95907a7 | 1641 | sinfo->rx_packets = vif->target_stats.rx_pkt; |
bdcd8170 KV |
1642 | sinfo->filled |= STATION_INFO_RX_PACKETS; |
1643 | } | |
1644 | ||
b95907a7 VT |
1645 | if (vif->target_stats.tx_byte) { |
1646 | sinfo->tx_bytes = vif->target_stats.tx_byte; | |
bdcd8170 | 1647 | sinfo->filled |= STATION_INFO_TX_BYTES; |
b95907a7 | 1648 | sinfo->tx_packets = vif->target_stats.tx_pkt; |
bdcd8170 KV |
1649 | sinfo->filled |= STATION_INFO_TX_PACKETS; |
1650 | } | |
1651 | ||
b95907a7 | 1652 | sinfo->signal = vif->target_stats.cs_rssi; |
bdcd8170 KV |
1653 | sinfo->filled |= STATION_INFO_SIGNAL; |
1654 | ||
b95907a7 | 1655 | rate = vif->target_stats.tx_ucast_rate; |
bdcd8170 KV |
1656 | |
1657 | if (is_rate_legacy(rate)) { | |
1658 | sinfo->txrate.legacy = rate / 100; | |
1659 | } else if (is_rate_ht20(rate, &mcs, &sgi)) { | |
1660 | if (sgi) { | |
1661 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
1662 | sinfo->txrate.mcs = mcs - 1; | |
1663 | } else { | |
1664 | sinfo->txrate.mcs = mcs; | |
1665 | } | |
1666 | ||
1667 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
1668 | } else if (is_rate_ht40(rate, &mcs, &sgi)) { | |
1669 | if (sgi) { | |
1670 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
1671 | sinfo->txrate.mcs = mcs - 1; | |
1672 | } else { | |
1673 | sinfo->txrate.mcs = mcs; | |
1674 | } | |
1675 | ||
1676 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
1677 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
1678 | } else { | |
9a730834 KV |
1679 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1680 | "invalid rate from stats: %d\n", rate); | |
1681 | ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); | |
bdcd8170 KV |
1682 | return 0; |
1683 | } | |
1684 | ||
1685 | sinfo->filled |= STATION_INFO_TX_BITRATE; | |
1686 | ||
59c98449 VT |
1687 | if (test_bit(CONNECTED, &vif->flags) && |
1688 | test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && | |
f5938f24 | 1689 | vif->nw_type == INFRA_NETWORK) { |
32c10874 JM |
1690 | sinfo->filled |= STATION_INFO_BSS_PARAM; |
1691 | sinfo->bss_param.flags = 0; | |
cf5333d7 VT |
1692 | sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; |
1693 | sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; | |
32c10874 JM |
1694 | } |
1695 | ||
bdcd8170 KV |
1696 | return 0; |
1697 | } | |
1698 | ||
1699 | static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
1700 | struct cfg80211_pmksa *pmksa) | |
1701 | { | |
1702 | struct ath6kl *ar = ath6kl_priv(netdev); | |
334234b5 VT |
1703 | struct ath6kl_vif *vif = netdev_priv(netdev); |
1704 | ||
1705 | return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, | |
bdcd8170 KV |
1706 | pmksa->pmkid, true); |
1707 | } | |
1708 | ||
1709 | static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
1710 | struct cfg80211_pmksa *pmksa) | |
1711 | { | |
1712 | struct ath6kl *ar = ath6kl_priv(netdev); | |
334234b5 VT |
1713 | struct ath6kl_vif *vif = netdev_priv(netdev); |
1714 | ||
1715 | return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, | |
bdcd8170 KV |
1716 | pmksa->pmkid, false); |
1717 | } | |
1718 | ||
1719 | static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) | |
1720 | { | |
1721 | struct ath6kl *ar = ath6kl_priv(netdev); | |
59c98449 VT |
1722 | struct ath6kl_vif *vif = netdev_priv(netdev); |
1723 | ||
1724 | if (test_bit(CONNECTED, &vif->flags)) | |
334234b5 VT |
1725 | return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, |
1726 | vif->bssid, NULL, false); | |
bdcd8170 KV |
1727 | return 0; |
1728 | } | |
1729 | ||
6cb3c714 RM |
1730 | static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) |
1731 | { | |
1732 | struct ath6kl_vif *vif; | |
1733 | int ret, pos, left; | |
1734 | u32 filter = 0; | |
1735 | u16 i; | |
1736 | u8 mask[WOW_MASK_SIZE]; | |
1737 | ||
1738 | vif = ath6kl_vif_first(ar); | |
1739 | if (!vif) | |
1740 | return -EIO; | |
1741 | ||
1742 | if (!ath6kl_cfg80211_ready(vif)) | |
1743 | return -EIO; | |
1744 | ||
1745 | if (!test_bit(CONNECTED, &vif->flags)) | |
1746 | return -EINVAL; | |
1747 | ||
1748 | /* Clear existing WOW patterns */ | |
1749 | for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) | |
1750 | ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, | |
1751 | WOW_LIST_ID, i); | |
1752 | /* Configure new WOW patterns */ | |
1753 | for (i = 0; i < wow->n_patterns; i++) { | |
1754 | ||
1755 | /* | |
1756 | * Convert given nl80211 specific mask value to equivalent | |
1757 | * driver specific mask value and send it to the chip along | |
1758 | * with patterns. For example, If the mask value defined in | |
1759 | * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), | |
1760 | * then equivalent driver specific mask value is | |
1761 | * "0xFF 0x00 0xFF 0x00". | |
1762 | */ | |
1763 | memset(&mask, 0, sizeof(mask)); | |
1764 | for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { | |
1765 | if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) | |
1766 | mask[pos] = 0xFF; | |
1767 | } | |
1768 | /* | |
1769 | * Note: Pattern's offset is not passed as part of wowlan | |
1770 | * parameter from CFG layer. So it's always passed as ZERO | |
1771 | * to the firmware. It means, given WOW patterns are always | |
1772 | * matched from the first byte of received pkt in the firmware. | |
1773 | */ | |
1774 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
1775 | vif->fw_vif_idx, WOW_LIST_ID, | |
1776 | wow->patterns[i].pattern_len, | |
1777 | 0 /* pattern offset */, | |
1778 | wow->patterns[i].pattern, mask); | |
1779 | if (ret) | |
1780 | return ret; | |
1781 | } | |
1782 | ||
1783 | if (wow->disconnect) | |
1784 | filter |= WOW_FILTER_OPTION_NWK_DISASSOC; | |
1785 | ||
1786 | if (wow->magic_pkt) | |
1787 | filter |= WOW_FILTER_OPTION_MAGIC_PACKET; | |
1788 | ||
1789 | if (wow->gtk_rekey_failure) | |
1790 | filter |= WOW_FILTER_OPTION_GTK_ERROR; | |
1791 | ||
1792 | if (wow->eap_identity_req) | |
1793 | filter |= WOW_FILTER_OPTION_EAP_REQ; | |
1794 | ||
1795 | if (wow->four_way_handshake) | |
1796 | filter |= WOW_FILTER_OPTION_8021X_4WAYHS; | |
1797 | ||
1798 | ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
1799 | ATH6KL_WOW_MODE_ENABLE, | |
1800 | filter, | |
1801 | WOW_HOST_REQ_DELAY); | |
1802 | if (ret) | |
1803 | return ret; | |
1804 | ||
1805 | ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
1806 | ATH6KL_HOST_MODE_ASLEEP); | |
1807 | if (ret) | |
1808 | return ret; | |
1809 | ||
1810 | if (ar->tx_pending[ar->ctrl_ep]) { | |
1811 | left = wait_event_interruptible_timeout(ar->event_wq, | |
1812 | ar->tx_pending[ar->ctrl_ep] == 0, WMI_TIMEOUT); | |
1813 | if (left == 0) { | |
1814 | ath6kl_warn("clear wmi ctrl data timeout\n"); | |
1815 | ret = -ETIMEDOUT; | |
1816 | } else if (left < 0) { | |
1817 | ath6kl_warn("clear wmi ctrl data failed: %d\n", left); | |
1818 | ret = left; | |
1819 | } | |
1820 | } | |
1821 | ||
1822 | return ret; | |
1823 | } | |
1824 | ||
1825 | static int ath6kl_wow_resume(struct ath6kl *ar) | |
1826 | { | |
1827 | struct ath6kl_vif *vif; | |
1828 | int ret; | |
1829 | ||
1830 | vif = ath6kl_vif_first(ar); | |
1831 | if (!vif) | |
1832 | return -EIO; | |
1833 | ||
1834 | ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
1835 | ATH6KL_HOST_MODE_AWAKE); | |
1836 | return ret; | |
1837 | } | |
1838 | ||
52d81a68 | 1839 | int ath6kl_cfg80211_suspend(struct ath6kl *ar, |
0f60e9f4 RM |
1840 | enum ath6kl_cfg_suspend_mode mode, |
1841 | struct cfg80211_wowlan *wow) | |
52d81a68 KV |
1842 | { |
1843 | int ret; | |
1844 | ||
52d81a68 | 1845 | switch (mode) { |
d7c44e0b RM |
1846 | case ATH6KL_CFG_SUSPEND_WOW: |
1847 | ||
1848 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); | |
1849 | ||
1850 | /* Flush all non control pkts in TX path */ | |
1851 | ath6kl_tx_data_cleanup(ar); | |
1852 | ||
1853 | ret = ath6kl_wow_suspend(ar, wow); | |
1854 | if (ret) { | |
1855 | ath6kl_err("wow suspend failed: %d\n", ret); | |
1856 | return ret; | |
1857 | } | |
1858 | ar->state = ATH6KL_STATE_WOW; | |
1859 | break; | |
1860 | ||
52d81a68 | 1861 | case ATH6KL_CFG_SUSPEND_DEEPSLEEP: |
524441e3 | 1862 | |
7125f01d | 1863 | ath6kl_cfg80211_stop_all(ar); |
524441e3 | 1864 | |
52d81a68 KV |
1865 | /* save the current power mode before enabling power save */ |
1866 | ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; | |
1867 | ||
1868 | ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); | |
1869 | if (ret) { | |
1870 | ath6kl_warn("wmi powermode command failed during suspend: %d\n", | |
1871 | ret); | |
1872 | } | |
1873 | ||
76a9fbe2 KV |
1874 | ar->state = ATH6KL_STATE_DEEPSLEEP; |
1875 | ||
52d81a68 | 1876 | break; |
b4b2a0b1 KV |
1877 | |
1878 | case ATH6KL_CFG_SUSPEND_CUTPOWER: | |
524441e3 | 1879 | |
7125f01d | 1880 | ath6kl_cfg80211_stop_all(ar); |
524441e3 | 1881 | |
b4b2a0b1 KV |
1882 | if (ar->state == ATH6KL_STATE_OFF) { |
1883 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, | |
1884 | "suspend hw off, no action for cutpower\n"); | |
1885 | break; | |
1886 | } | |
1887 | ||
1888 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); | |
1889 | ||
1890 | ret = ath6kl_init_hw_stop(ar); | |
1891 | if (ret) { | |
1892 | ath6kl_warn("failed to stop hw during suspend: %d\n", | |
1893 | ret); | |
1894 | } | |
1895 | ||
1896 | ar->state = ATH6KL_STATE_CUTPOWER; | |
1897 | ||
1898 | break; | |
1899 | ||
10509f90 KV |
1900 | case ATH6KL_CFG_SUSPEND_SCHED_SCAN: |
1901 | /* | |
1902 | * Nothing needed for schedule scan, firmware is already in | |
1903 | * wow mode and sleeping most of the time. | |
1904 | */ | |
1905 | break; | |
1906 | ||
b4b2a0b1 KV |
1907 | default: |
1908 | break; | |
52d81a68 KV |
1909 | } |
1910 | ||
1911 | return 0; | |
1912 | } | |
1913 | ||
1914 | int ath6kl_cfg80211_resume(struct ath6kl *ar) | |
1915 | { | |
76a9fbe2 KV |
1916 | int ret; |
1917 | ||
1918 | switch (ar->state) { | |
d7c44e0b RM |
1919 | case ATH6KL_STATE_WOW: |
1920 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); | |
1921 | ||
1922 | ret = ath6kl_wow_resume(ar); | |
1923 | if (ret) { | |
1924 | ath6kl_warn("wow mode resume failed: %d\n", ret); | |
1925 | return ret; | |
1926 | } | |
1927 | ||
1928 | ar->state = ATH6KL_STATE_ON; | |
1929 | break; | |
1930 | ||
76a9fbe2 KV |
1931 | case ATH6KL_STATE_DEEPSLEEP: |
1932 | if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { | |
1933 | ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, | |
1934 | ar->wmi->saved_pwr_mode); | |
1935 | if (ret) { | |
1936 | ath6kl_warn("wmi powermode command failed during resume: %d\n", | |
1937 | ret); | |
1938 | } | |
1939 | } | |
1940 | ||
1941 | ar->state = ATH6KL_STATE_ON; | |
1942 | ||
1943 | break; | |
1944 | ||
b4b2a0b1 KV |
1945 | case ATH6KL_STATE_CUTPOWER: |
1946 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); | |
1947 | ||
1948 | ret = ath6kl_init_hw_start(ar); | |
1949 | if (ret) { | |
1950 | ath6kl_warn("Failed to boot hw in resume: %d\n", ret); | |
1951 | return ret; | |
1952 | } | |
d7c44e0b | 1953 | break; |
b4b2a0b1 | 1954 | |
10509f90 KV |
1955 | case ATH6KL_STATE_SCHED_SCAN: |
1956 | break; | |
1957 | ||
76a9fbe2 KV |
1958 | default: |
1959 | break; | |
52d81a68 KV |
1960 | } |
1961 | ||
1962 | return 0; | |
1963 | } | |
1964 | ||
abcb344b | 1965 | #ifdef CONFIG_PM |
52d81a68 KV |
1966 | |
1967 | /* hif layer decides what suspend mode to use */ | |
1968 | static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, | |
abcb344b KV |
1969 | struct cfg80211_wowlan *wow) |
1970 | { | |
1971 | struct ath6kl *ar = wiphy_priv(wiphy); | |
1972 | ||
0f60e9f4 | 1973 | return ath6kl_hif_suspend(ar, wow); |
abcb344b | 1974 | } |
aa6cffc1 | 1975 | |
52d81a68 | 1976 | static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) |
aa6cffc1 CN |
1977 | { |
1978 | struct ath6kl *ar = wiphy_priv(wiphy); | |
1979 | ||
1980 | return ath6kl_hif_resume(ar); | |
1981 | } | |
a918fb3c RM |
1982 | |
1983 | /* | |
1984 | * FIXME: WOW suspend mode is selected if the host sdio controller supports | |
1985 | * both sdio irq wake up and keep power. The target pulls sdio data line to | |
1986 | * wake up the host when WOW pattern matches. This causes sdio irq handler | |
1987 | * is being called in the host side which internally hits ath6kl's RX path. | |
1988 | * | |
1989 | * Since sdio interrupt is not disabled, RX path executes even before | |
1990 | * the host executes the actual resume operation from PM module. | |
1991 | * | |
1992 | * In the current scenario, WOW resume should happen before start processing | |
1993 | * any data from the target. So It's required to perform WOW resume in RX path. | |
1994 | * Ideally we should perform WOW resume only in the actual platform | |
1995 | * resume path. This area needs bit rework to avoid WOW resume in RX path. | |
1996 | * | |
1997 | * ath6kl_check_wow_status() is called from ath6kl_rx(). | |
1998 | */ | |
1999 | void ath6kl_check_wow_status(struct ath6kl *ar) | |
2000 | { | |
2001 | if (ar->state == ATH6KL_STATE_WOW) | |
2002 | ath6kl_cfg80211_resume(ar); | |
2003 | } | |
2004 | ||
2005 | #else | |
2006 | ||
2007 | void ath6kl_check_wow_status(struct ath6kl *ar) | |
2008 | { | |
2009 | } | |
abcb344b KV |
2010 | #endif |
2011 | ||
6a7c9bad JM |
2012 | static int ath6kl_set_channel(struct wiphy *wiphy, struct net_device *dev, |
2013 | struct ieee80211_channel *chan, | |
2014 | enum nl80211_channel_type channel_type) | |
2015 | { | |
cf5333d7 | 2016 | struct ath6kl_vif *vif = netdev_priv(dev); |
6a7c9bad | 2017 | |
990bd915 | 2018 | if (!ath6kl_cfg80211_ready(vif)) |
6a7c9bad JM |
2019 | return -EIO; |
2020 | ||
2021 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: center_freq=%u hw_value=%u\n", | |
2022 | __func__, chan->center_freq, chan->hw_value); | |
cf5333d7 | 2023 | vif->next_chan = chan->center_freq; |
6a7c9bad JM |
2024 | |
2025 | return 0; | |
2026 | } | |
2027 | ||
8bdfbf40 JM |
2028 | static bool ath6kl_is_p2p_ie(const u8 *pos) |
2029 | { | |
2030 | return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && | |
2031 | pos[2] == 0x50 && pos[3] == 0x6f && | |
2032 | pos[4] == 0x9a && pos[5] == 0x09; | |
2033 | } | |
2034 | ||
334234b5 VT |
2035 | static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, |
2036 | const u8 *ies, size_t ies_len) | |
8bdfbf40 | 2037 | { |
334234b5 | 2038 | struct ath6kl *ar = vif->ar; |
8bdfbf40 JM |
2039 | const u8 *pos; |
2040 | u8 *buf = NULL; | |
2041 | size_t len = 0; | |
2042 | int ret; | |
2043 | ||
2044 | /* | |
2045 | * Filter out P2P IE(s) since they will be included depending on | |
2046 | * the Probe Request frame in ath6kl_send_go_probe_resp(). | |
2047 | */ | |
2048 | ||
2049 | if (ies && ies_len) { | |
2050 | buf = kmalloc(ies_len, GFP_KERNEL); | |
2051 | if (buf == NULL) | |
2052 | return -ENOMEM; | |
2053 | pos = ies; | |
2054 | while (pos + 1 < ies + ies_len) { | |
2055 | if (pos + 2 + pos[1] > ies + ies_len) | |
2056 | break; | |
2057 | if (!ath6kl_is_p2p_ie(pos)) { | |
2058 | memcpy(buf + len, pos, 2 + pos[1]); | |
2059 | len += 2 + pos[1]; | |
2060 | } | |
2061 | pos += 2 + pos[1]; | |
2062 | } | |
2063 | } | |
2064 | ||
334234b5 VT |
2065 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
2066 | WMI_FRAME_PROBE_RESP, buf, len); | |
8bdfbf40 JM |
2067 | kfree(buf); |
2068 | return ret; | |
2069 | } | |
2070 | ||
6a7c9bad JM |
2071 | static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev, |
2072 | struct beacon_parameters *info, bool add) | |
2073 | { | |
2074 | struct ath6kl *ar = ath6kl_priv(dev); | |
3450334f | 2075 | struct ath6kl_vif *vif = netdev_priv(dev); |
6a7c9bad JM |
2076 | struct ieee80211_mgmt *mgmt; |
2077 | u8 *ies; | |
2078 | int ies_len; | |
2079 | struct wmi_connect_cmd p; | |
2080 | int res; | |
be5abaaf | 2081 | int i, ret; |
6a7c9bad JM |
2082 | |
2083 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: add=%d\n", __func__, add); | |
2084 | ||
990bd915 | 2085 | if (!ath6kl_cfg80211_ready(vif)) |
6a7c9bad JM |
2086 | return -EIO; |
2087 | ||
f5938f24 | 2088 | if (vif->next_mode != AP_NETWORK) |
6a7c9bad JM |
2089 | return -EOPNOTSUPP; |
2090 | ||
2091 | if (info->beacon_ies) { | |
334234b5 VT |
2092 | res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
2093 | WMI_FRAME_BEACON, | |
6a7c9bad JM |
2094 | info->beacon_ies, |
2095 | info->beacon_ies_len); | |
2096 | if (res) | |
2097 | return res; | |
2098 | } | |
2099 | if (info->proberesp_ies) { | |
334234b5 | 2100 | res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, |
8bdfbf40 | 2101 | info->proberesp_ies_len); |
6a7c9bad JM |
2102 | if (res) |
2103 | return res; | |
2104 | } | |
2105 | if (info->assocresp_ies) { | |
334234b5 VT |
2106 | res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
2107 | WMI_FRAME_ASSOC_RESP, | |
6a7c9bad JM |
2108 | info->assocresp_ies, |
2109 | info->assocresp_ies_len); | |
2110 | if (res) | |
2111 | return res; | |
2112 | } | |
2113 | ||
2114 | if (!add) | |
2115 | return 0; | |
2116 | ||
9a5b1318 JM |
2117 | ar->ap_mode_bkey.valid = false; |
2118 | ||
6a7c9bad JM |
2119 | /* TODO: |
2120 | * info->interval | |
2121 | * info->dtim_period | |
2122 | */ | |
2123 | ||
2124 | if (info->head == NULL) | |
2125 | return -EINVAL; | |
2126 | mgmt = (struct ieee80211_mgmt *) info->head; | |
2127 | ies = mgmt->u.beacon.variable; | |
2128 | if (ies > info->head + info->head_len) | |
2129 | return -EINVAL; | |
2130 | ies_len = info->head + info->head_len - ies; | |
2131 | ||
2132 | if (info->ssid == NULL) | |
2133 | return -EINVAL; | |
3450334f VT |
2134 | memcpy(vif->ssid, info->ssid, info->ssid_len); |
2135 | vif->ssid_len = info->ssid_len; | |
6a7c9bad JM |
2136 | if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) |
2137 | return -EOPNOTSUPP; /* TODO */ | |
2138 | ||
be5abaaf VT |
2139 | ret = ath6kl_set_auth_type(vif, info->auth_type); |
2140 | if (ret) | |
2141 | return ret; | |
6a7c9bad JM |
2142 | |
2143 | memset(&p, 0, sizeof(p)); | |
2144 | ||
2145 | for (i = 0; i < info->crypto.n_akm_suites; i++) { | |
2146 | switch (info->crypto.akm_suites[i]) { | |
2147 | case WLAN_AKM_SUITE_8021X: | |
2148 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) | |
2149 | p.auth_mode |= WPA_AUTH; | |
2150 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) | |
2151 | p.auth_mode |= WPA2_AUTH; | |
2152 | break; | |
2153 | case WLAN_AKM_SUITE_PSK: | |
2154 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) | |
2155 | p.auth_mode |= WPA_PSK_AUTH; | |
2156 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) | |
2157 | p.auth_mode |= WPA2_PSK_AUTH; | |
2158 | break; | |
2159 | } | |
2160 | } | |
2161 | if (p.auth_mode == 0) | |
2162 | p.auth_mode = NONE_AUTH; | |
3450334f | 2163 | vif->auth_mode = p.auth_mode; |
6a7c9bad JM |
2164 | |
2165 | for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { | |
2166 | switch (info->crypto.ciphers_pairwise[i]) { | |
2167 | case WLAN_CIPHER_SUITE_WEP40: | |
2168 | case WLAN_CIPHER_SUITE_WEP104: | |
2169 | p.prwise_crypto_type |= WEP_CRYPT; | |
2170 | break; | |
2171 | case WLAN_CIPHER_SUITE_TKIP: | |
2172 | p.prwise_crypto_type |= TKIP_CRYPT; | |
2173 | break; | |
2174 | case WLAN_CIPHER_SUITE_CCMP: | |
2175 | p.prwise_crypto_type |= AES_CRYPT; | |
2176 | break; | |
b8214df1 DS |
2177 | case WLAN_CIPHER_SUITE_SMS4: |
2178 | p.prwise_crypto_type |= WAPI_CRYPT; | |
2179 | break; | |
6a7c9bad JM |
2180 | } |
2181 | } | |
229ed6b5 | 2182 | if (p.prwise_crypto_type == 0) { |
6a7c9bad | 2183 | p.prwise_crypto_type = NONE_CRYPT; |
240d2799 | 2184 | ath6kl_set_cipher(vif, 0, true); |
229ed6b5 | 2185 | } else if (info->crypto.n_ciphers_pairwise == 1) |
240d2799 | 2186 | ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); |
6a7c9bad JM |
2187 | |
2188 | switch (info->crypto.cipher_group) { | |
2189 | case WLAN_CIPHER_SUITE_WEP40: | |
2190 | case WLAN_CIPHER_SUITE_WEP104: | |
2191 | p.grp_crypto_type = WEP_CRYPT; | |
2192 | break; | |
2193 | case WLAN_CIPHER_SUITE_TKIP: | |
2194 | p.grp_crypto_type = TKIP_CRYPT; | |
2195 | break; | |
2196 | case WLAN_CIPHER_SUITE_CCMP: | |
2197 | p.grp_crypto_type = AES_CRYPT; | |
2198 | break; | |
b8214df1 DS |
2199 | case WLAN_CIPHER_SUITE_SMS4: |
2200 | p.grp_crypto_type = WAPI_CRYPT; | |
2201 | break; | |
6a7c9bad JM |
2202 | default: |
2203 | p.grp_crypto_type = NONE_CRYPT; | |
2204 | break; | |
2205 | } | |
240d2799 | 2206 | ath6kl_set_cipher(vif, info->crypto.cipher_group, false); |
6a7c9bad JM |
2207 | |
2208 | p.nw_type = AP_NETWORK; | |
f5938f24 | 2209 | vif->nw_type = vif->next_mode; |
6a7c9bad | 2210 | |
3450334f VT |
2211 | p.ssid_len = vif->ssid_len; |
2212 | memcpy(p.ssid, vif->ssid, vif->ssid_len); | |
2213 | p.dot11_auth_mode = vif->dot11_auth_mode; | |
cf5333d7 | 2214 | p.ch = cpu_to_le16(vif->next_chan); |
6a7c9bad | 2215 | |
3ca9d1fc AT |
2216 | if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { |
2217 | p.nw_subtype = SUBTYPE_P2PGO; | |
2218 | } else { | |
2219 | /* | |
2220 | * Due to firmware limitation, it is not possible to | |
2221 | * do P2P mgmt operations in AP mode | |
2222 | */ | |
2223 | p.nw_subtype = SUBTYPE_NONE; | |
2224 | } | |
2225 | ||
334234b5 | 2226 | res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); |
9a5b1318 JM |
2227 | if (res < 0) |
2228 | return res; | |
2229 | ||
2230 | return 0; | |
6a7c9bad JM |
2231 | } |
2232 | ||
2233 | static int ath6kl_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
2234 | struct beacon_parameters *info) | |
2235 | { | |
2236 | return ath6kl_ap_beacon(wiphy, dev, info, true); | |
2237 | } | |
2238 | ||
2239 | static int ath6kl_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
2240 | struct beacon_parameters *info) | |
2241 | { | |
2242 | return ath6kl_ap_beacon(wiphy, dev, info, false); | |
2243 | } | |
2244 | ||
2245 | static int ath6kl_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
2246 | { | |
2247 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 2248 | struct ath6kl_vif *vif = netdev_priv(dev); |
6a7c9bad | 2249 | |
f5938f24 | 2250 | if (vif->nw_type != AP_NETWORK) |
6a7c9bad | 2251 | return -EOPNOTSUPP; |
59c98449 | 2252 | if (!test_bit(CONNECTED, &vif->flags)) |
6a7c9bad JM |
2253 | return -ENOTCONN; |
2254 | ||
334234b5 | 2255 | ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); |
59c98449 | 2256 | clear_bit(CONNECTED, &vif->flags); |
6a7c9bad JM |
2257 | |
2258 | return 0; | |
2259 | } | |
2260 | ||
23875136 JM |
2261 | static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, |
2262 | u8 *mac, struct station_parameters *params) | |
2263 | { | |
2264 | struct ath6kl *ar = ath6kl_priv(dev); | |
f5938f24 | 2265 | struct ath6kl_vif *vif = netdev_priv(dev); |
23875136 | 2266 | |
f5938f24 | 2267 | if (vif->nw_type != AP_NETWORK) |
23875136 JM |
2268 | return -EOPNOTSUPP; |
2269 | ||
2270 | /* Use this only for authorizing/unauthorizing a station */ | |
2271 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
2272 | return -EOPNOTSUPP; | |
2273 | ||
2274 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
334234b5 VT |
2275 | return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, |
2276 | WMI_AP_MLME_AUTHORIZE, mac, 0); | |
2277 | return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, | |
2278 | WMI_AP_MLME_UNAUTHORIZE, mac, 0); | |
23875136 JM |
2279 | } |
2280 | ||
63fa1e0c JM |
2281 | static int ath6kl_remain_on_channel(struct wiphy *wiphy, |
2282 | struct net_device *dev, | |
2283 | struct ieee80211_channel *chan, | |
2284 | enum nl80211_channel_type channel_type, | |
2285 | unsigned int duration, | |
2286 | u64 *cookie) | |
2287 | { | |
2288 | struct ath6kl *ar = ath6kl_priv(dev); | |
334234b5 | 2289 | struct ath6kl_vif *vif = netdev_priv(dev); |
1052261e | 2290 | u32 id; |
63fa1e0c JM |
2291 | |
2292 | /* TODO: if already pending or ongoing remain-on-channel, | |
2293 | * return -EBUSY */ | |
1052261e JM |
2294 | id = ++vif->last_roc_id; |
2295 | if (id == 0) { | |
2296 | /* Do not use 0 as the cookie value */ | |
2297 | id = ++vif->last_roc_id; | |
2298 | } | |
2299 | *cookie = id; | |
63fa1e0c | 2300 | |
334234b5 VT |
2301 | return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, |
2302 | chan->center_freq, duration); | |
63fa1e0c JM |
2303 | } |
2304 | ||
2305 | static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, | |
2306 | struct net_device *dev, | |
2307 | u64 cookie) | |
2308 | { | |
2309 | struct ath6kl *ar = ath6kl_priv(dev); | |
334234b5 | 2310 | struct ath6kl_vif *vif = netdev_priv(dev); |
63fa1e0c | 2311 | |
1052261e | 2312 | if (cookie != vif->last_roc_id) |
63fa1e0c | 2313 | return -ENOENT; |
1052261e | 2314 | vif->last_cancel_roc_id = cookie; |
63fa1e0c | 2315 | |
334234b5 | 2316 | return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); |
63fa1e0c JM |
2317 | } |
2318 | ||
334234b5 VT |
2319 | static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, |
2320 | const u8 *buf, size_t len, | |
2321 | unsigned int freq) | |
8bdfbf40 | 2322 | { |
334234b5 | 2323 | struct ath6kl *ar = vif->ar; |
8bdfbf40 JM |
2324 | const u8 *pos; |
2325 | u8 *p2p; | |
2326 | int p2p_len; | |
2327 | int ret; | |
2328 | const struct ieee80211_mgmt *mgmt; | |
2329 | ||
2330 | mgmt = (const struct ieee80211_mgmt *) buf; | |
2331 | ||
2332 | /* Include P2P IE(s) from the frame generated in user space. */ | |
2333 | ||
2334 | p2p = kmalloc(len, GFP_KERNEL); | |
2335 | if (p2p == NULL) | |
2336 | return -ENOMEM; | |
2337 | p2p_len = 0; | |
2338 | ||
2339 | pos = mgmt->u.probe_resp.variable; | |
2340 | while (pos + 1 < buf + len) { | |
2341 | if (pos + 2 + pos[1] > buf + len) | |
2342 | break; | |
2343 | if (ath6kl_is_p2p_ie(pos)) { | |
2344 | memcpy(p2p + p2p_len, pos, 2 + pos[1]); | |
2345 | p2p_len += 2 + pos[1]; | |
2346 | } | |
2347 | pos += 2 + pos[1]; | |
2348 | } | |
2349 | ||
334234b5 VT |
2350 | ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, |
2351 | mgmt->da, p2p, p2p_len); | |
8bdfbf40 JM |
2352 | kfree(p2p); |
2353 | return ret; | |
2354 | } | |
2355 | ||
8a6c8060 JM |
2356 | static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, |
2357 | struct ieee80211_channel *chan, bool offchan, | |
2358 | enum nl80211_channel_type channel_type, | |
2359 | bool channel_type_valid, unsigned int wait, | |
e247bd90 JB |
2360 | const u8 *buf, size_t len, bool no_cck, |
2361 | bool dont_wait_for_ack, u64 *cookie) | |
8a6c8060 JM |
2362 | { |
2363 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 2364 | struct ath6kl_vif *vif = netdev_priv(dev); |
8a6c8060 | 2365 | u32 id; |
8bdfbf40 JM |
2366 | const struct ieee80211_mgmt *mgmt; |
2367 | ||
2368 | mgmt = (const struct ieee80211_mgmt *) buf; | |
2369 | if (buf + len >= mgmt->u.probe_resp.variable && | |
f5938f24 | 2370 | vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && |
8bdfbf40 JM |
2371 | ieee80211_is_probe_resp(mgmt->frame_control)) { |
2372 | /* | |
2373 | * Send Probe Response frame in AP mode using a separate WMI | |
2374 | * command to allow the target to fill in the generic IEs. | |
2375 | */ | |
2376 | *cookie = 0; /* TX status not supported */ | |
334234b5 | 2377 | return ath6kl_send_go_probe_resp(vif, buf, len, |
8bdfbf40 JM |
2378 | chan->center_freq); |
2379 | } | |
8a6c8060 | 2380 | |
cf5333d7 | 2381 | id = vif->send_action_id++; |
8a6c8060 JM |
2382 | if (id == 0) { |
2383 | /* | |
2384 | * 0 is a reserved value in the WMI command and shall not be | |
2385 | * used for the command. | |
2386 | */ | |
cf5333d7 | 2387 | id = vif->send_action_id++; |
8a6c8060 JM |
2388 | } |
2389 | ||
2390 | *cookie = id; | |
3ca9d1fc AT |
2391 | |
2392 | if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, | |
2393 | ar->fw_capabilities)) { | |
2394 | /* | |
2395 | * If capable of doing P2P mgmt operations using | |
2396 | * station interface, send additional information like | |
2397 | * supported rates to advertise and xmit rates for | |
2398 | * probe requests | |
2399 | */ | |
2400 | return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, | |
2401 | chan->center_freq, wait, | |
2402 | buf, len, no_cck); | |
2403 | } else { | |
2404 | return ath6kl_wmi_send_action_cmd(ar->wmi, vif->fw_vif_idx, id, | |
2405 | chan->center_freq, wait, | |
2406 | buf, len); | |
2407 | } | |
8a6c8060 JM |
2408 | } |
2409 | ||
ae32c30a JM |
2410 | static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, |
2411 | struct net_device *dev, | |
2412 | u16 frame_type, bool reg) | |
2413 | { | |
cf5333d7 | 2414 | struct ath6kl_vif *vif = netdev_priv(dev); |
ae32c30a JM |
2415 | |
2416 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", | |
2417 | __func__, frame_type, reg); | |
2418 | if (frame_type == IEEE80211_STYPE_PROBE_REQ) { | |
2419 | /* | |
2420 | * Note: This notification callback is not allowed to sleep, so | |
2421 | * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we | |
2422 | * hardcode target to report Probe Request frames all the time. | |
2423 | */ | |
cf5333d7 | 2424 | vif->probe_req_report = reg; |
ae32c30a JM |
2425 | } |
2426 | } | |
2427 | ||
10509f90 KV |
2428 | static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, |
2429 | struct net_device *dev, | |
2430 | struct cfg80211_sched_scan_request *request) | |
2431 | { | |
2432 | struct ath6kl *ar = ath6kl_priv(dev); | |
2433 | struct ath6kl_vif *vif = netdev_priv(dev); | |
2434 | u16 interval; | |
2435 | int ret; | |
2436 | u8 i; | |
2437 | ||
2438 | if (ar->state != ATH6KL_STATE_ON) | |
2439 | return -EIO; | |
2440 | ||
2441 | if (vif->sme_state != SME_DISCONNECTED) | |
2442 | return -EBUSY; | |
2443 | ||
2444 | for (i = 0; i < ar->wiphy->max_sched_scan_ssids; i++) { | |
2445 | ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, | |
2446 | i, DISABLE_SSID_FLAG, | |
2447 | 0, NULL); | |
2448 | } | |
2449 | ||
2450 | /* fw uses seconds, also make sure that it's >0 */ | |
2451 | interval = max_t(u16, 1, request->interval / 1000); | |
2452 | ||
2453 | ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, | |
2454 | interval, interval, | |
2455 | 10, 0, 0, 0, 3, 0, 0, 0); | |
2456 | ||
2457 | if (request->n_ssids && request->ssids[0].ssid_len) { | |
2458 | for (i = 0; i < request->n_ssids; i++) { | |
2459 | ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, | |
2460 | i, SPECIFIC_SSID_FLAG, | |
2461 | request->ssids[i].ssid_len, | |
2462 | request->ssids[i].ssid); | |
2463 | } | |
2464 | } | |
2465 | ||
2466 | ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
2467 | ATH6KL_WOW_MODE_ENABLE, | |
2468 | WOW_FILTER_SSID, | |
2469 | WOW_HOST_REQ_DELAY); | |
2470 | if (ret) { | |
2471 | ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret); | |
2472 | return ret; | |
2473 | } | |
2474 | ||
2475 | /* this also clears IE in fw if it's not set */ | |
2476 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, | |
2477 | WMI_FRAME_PROBE_REQ, | |
2478 | request->ie, request->ie_len); | |
2479 | if (ret) { | |
2480 | ath6kl_warn("Failed to set probe request IE for scheduled scan: %d", | |
2481 | ret); | |
2482 | return ret; | |
2483 | } | |
2484 | ||
2485 | ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
2486 | ATH6KL_HOST_MODE_ASLEEP); | |
2487 | if (ret) { | |
2488 | ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n", | |
2489 | ret); | |
2490 | return ret; | |
2491 | } | |
2492 | ||
2493 | ar->state = ATH6KL_STATE_SCHED_SCAN; | |
2494 | ||
2495 | return ret; | |
2496 | } | |
2497 | ||
2498 | static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, | |
2499 | struct net_device *dev) | |
2500 | { | |
2501 | struct ath6kl_vif *vif = netdev_priv(dev); | |
2502 | bool stopped; | |
2503 | ||
2504 | stopped = __ath6kl_cfg80211_sscan_stop(vif); | |
2505 | ||
2506 | if (!stopped) | |
2507 | return -EIO; | |
2508 | ||
2509 | return 0; | |
2510 | } | |
2511 | ||
f80574ae JM |
2512 | static const struct ieee80211_txrx_stypes |
2513 | ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { | |
2514 | [NL80211_IFTYPE_STATION] = { | |
2515 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2516 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
2517 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2518 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
2519 | }, | |
2520 | [NL80211_IFTYPE_P2P_CLIENT] = { | |
2521 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2522 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
2523 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2524 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
2525 | }, | |
2526 | [NL80211_IFTYPE_P2P_GO] = { | |
2527 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2528 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
2529 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2530 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
2531 | }, | |
2532 | }; | |
2533 | ||
bdcd8170 | 2534 | static struct cfg80211_ops ath6kl_cfg80211_ops = { |
55055976 VT |
2535 | .add_virtual_intf = ath6kl_cfg80211_add_iface, |
2536 | .del_virtual_intf = ath6kl_cfg80211_del_iface, | |
bdcd8170 KV |
2537 | .change_virtual_intf = ath6kl_cfg80211_change_iface, |
2538 | .scan = ath6kl_cfg80211_scan, | |
2539 | .connect = ath6kl_cfg80211_connect, | |
2540 | .disconnect = ath6kl_cfg80211_disconnect, | |
2541 | .add_key = ath6kl_cfg80211_add_key, | |
2542 | .get_key = ath6kl_cfg80211_get_key, | |
2543 | .del_key = ath6kl_cfg80211_del_key, | |
2544 | .set_default_key = ath6kl_cfg80211_set_default_key, | |
2545 | .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, | |
2546 | .set_tx_power = ath6kl_cfg80211_set_txpower, | |
2547 | .get_tx_power = ath6kl_cfg80211_get_txpower, | |
2548 | .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, | |
2549 | .join_ibss = ath6kl_cfg80211_join_ibss, | |
2550 | .leave_ibss = ath6kl_cfg80211_leave_ibss, | |
2551 | .get_station = ath6kl_get_station, | |
2552 | .set_pmksa = ath6kl_set_pmksa, | |
2553 | .del_pmksa = ath6kl_del_pmksa, | |
2554 | .flush_pmksa = ath6kl_flush_pmksa, | |
003353b0 | 2555 | CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) |
abcb344b | 2556 | #ifdef CONFIG_PM |
52d81a68 KV |
2557 | .suspend = __ath6kl_cfg80211_suspend, |
2558 | .resume = __ath6kl_cfg80211_resume, | |
abcb344b | 2559 | #endif |
6a7c9bad JM |
2560 | .set_channel = ath6kl_set_channel, |
2561 | .add_beacon = ath6kl_add_beacon, | |
2562 | .set_beacon = ath6kl_set_beacon, | |
2563 | .del_beacon = ath6kl_del_beacon, | |
23875136 | 2564 | .change_station = ath6kl_change_station, |
63fa1e0c JM |
2565 | .remain_on_channel = ath6kl_remain_on_channel, |
2566 | .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, | |
8a6c8060 | 2567 | .mgmt_tx = ath6kl_mgmt_tx, |
ae32c30a | 2568 | .mgmt_frame_register = ath6kl_mgmt_frame_register, |
10509f90 KV |
2569 | .sched_scan_start = ath6kl_cfg80211_sscan_start, |
2570 | .sched_scan_stop = ath6kl_cfg80211_sscan_stop, | |
bdcd8170 KV |
2571 | }; |
2572 | ||
7125f01d | 2573 | void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) |
ec4b7f60 | 2574 | { |
10509f90 KV |
2575 | ath6kl_cfg80211_sscan_disable(vif); |
2576 | ||
ec4b7f60 | 2577 | switch (vif->sme_state) { |
c97a31b0 KV |
2578 | case SME_DISCONNECTED: |
2579 | break; | |
ec4b7f60 KV |
2580 | case SME_CONNECTING: |
2581 | cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, | |
2582 | NULL, 0, | |
2583 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
2584 | GFP_KERNEL); | |
2585 | break; | |
2586 | case SME_CONNECTED: | |
ec4b7f60 KV |
2587 | cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); |
2588 | break; | |
2589 | } | |
2590 | ||
2591 | if (test_bit(CONNECTED, &vif->flags) || | |
2592 | test_bit(CONNECT_PEND, &vif->flags)) | |
7125f01d | 2593 | ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); |
ec4b7f60 KV |
2594 | |
2595 | vif->sme_state = SME_DISCONNECTED; | |
1f405255 KV |
2596 | clear_bit(CONNECTED, &vif->flags); |
2597 | clear_bit(CONNECT_PEND, &vif->flags); | |
ec4b7f60 KV |
2598 | |
2599 | /* disable scanning */ | |
7125f01d KV |
2600 | if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, |
2601 | 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) | |
2602 | ath6kl_warn("failed to disable scan during stop\n"); | |
ec4b7f60 KV |
2603 | |
2604 | ath6kl_cfg80211_scan_complete_event(vif, true); | |
2605 | } | |
2606 | ||
7125f01d KV |
2607 | void ath6kl_cfg80211_stop_all(struct ath6kl *ar) |
2608 | { | |
2609 | struct ath6kl_vif *vif; | |
2610 | ||
2611 | vif = ath6kl_vif_first(ar); | |
2612 | if (!vif) { | |
2613 | /* save the current power mode before enabling power save */ | |
2614 | ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; | |
2615 | ||
2616 | if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) | |
2617 | ath6kl_warn("ath6kl_deep_sleep_enable: " | |
2618 | "wmi_powermode_cmd failed\n"); | |
2619 | return; | |
2620 | } | |
2621 | ||
2622 | /* | |
2623 | * FIXME: we should take ar->list_lock to protect changes in the | |
2624 | * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() | |
2625 | * sleeps. | |
2626 | */ | |
2627 | list_for_each_entry(vif, &ar->vif_list, list) | |
2628 | ath6kl_cfg80211_stop(vif); | |
2629 | } | |
2630 | ||
8dafb70e | 2631 | struct ath6kl *ath6kl_core_alloc(struct device *dev) |
bdcd8170 | 2632 | { |
6bbc7c35 | 2633 | struct ath6kl *ar; |
be98e3a4 | 2634 | struct wiphy *wiphy; |
8dafb70e | 2635 | u8 ctr; |
bdcd8170 KV |
2636 | |
2637 | /* create a new wiphy for use with cfg80211 */ | |
be98e3a4 | 2638 | wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); |
8dafb70e | 2639 | |
be98e3a4 | 2640 | if (!wiphy) { |
bdcd8170 | 2641 | ath6kl_err("couldn't allocate wiphy device\n"); |
bdcd8170 KV |
2642 | return NULL; |
2643 | } | |
2644 | ||
be98e3a4 | 2645 | ar = wiphy_priv(wiphy); |
774439ad | 2646 | ar->p2p = !!ath6kl_p2p; |
be98e3a4 | 2647 | ar->wiphy = wiphy; |
8dafb70e VT |
2648 | ar->dev = dev; |
2649 | ||
71f96ee6 KV |
2650 | ar->vif_max = 1; |
2651 | ||
3226f68a VT |
2652 | ar->max_norm_iface = 1; |
2653 | ||
8dafb70e VT |
2654 | spin_lock_init(&ar->lock); |
2655 | spin_lock_init(&ar->mcastpsq_lock); | |
990bd915 | 2656 | spin_lock_init(&ar->list_lock); |
8dafb70e VT |
2657 | |
2658 | init_waitqueue_head(&ar->event_wq); | |
2659 | sema_init(&ar->sem, 1); | |
2660 | ||
2661 | INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue); | |
990bd915 | 2662 | INIT_LIST_HEAD(&ar->vif_list); |
8dafb70e VT |
2663 | |
2664 | clear_bit(WMI_ENABLED, &ar->flag); | |
2665 | clear_bit(SKIP_SCAN, &ar->flag); | |
2666 | clear_bit(DESTROY_IN_PROGRESS, &ar->flag); | |
2667 | ||
2668 | ar->listen_intvl_t = A_DEFAULT_LISTEN_INTERVAL; | |
2669 | ar->listen_intvl_b = 0; | |
2670 | ar->tx_pwr = 0; | |
2671 | ||
2672 | ar->intra_bss = 1; | |
8dafb70e VT |
2673 | ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD; |
2674 | ||
76a9fbe2 KV |
2675 | ar->state = ATH6KL_STATE_OFF; |
2676 | ||
8dafb70e VT |
2677 | memset((u8 *)ar->sta_list, 0, |
2678 | AP_MAX_NUM_STA * sizeof(struct ath6kl_sta)); | |
2679 | ||
2680 | /* Init the PS queues */ | |
2681 | for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { | |
2682 | spin_lock_init(&ar->sta_list[ctr].psq_lock); | |
2683 | skb_queue_head_init(&ar->sta_list[ctr].psq); | |
2684 | } | |
2685 | ||
2686 | skb_queue_head_init(&ar->mcastpsq); | |
2687 | ||
2688 | memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3); | |
2689 | ||
2690 | return ar; | |
2691 | } | |
2692 | ||
2693 | int ath6kl_register_ieee80211_hw(struct ath6kl *ar) | |
2694 | { | |
2695 | struct wiphy *wiphy = ar->wiphy; | |
2696 | int ret; | |
6bbc7c35 | 2697 | |
be98e3a4 | 2698 | wiphy->mgmt_stypes = ath6kl_mgmt_stypes; |
f80574ae | 2699 | |
be98e3a4 | 2700 | wiphy->max_remain_on_channel_duration = 5000; |
63fa1e0c | 2701 | |
bdcd8170 | 2702 | /* set device pointer for wiphy */ |
8dafb70e | 2703 | set_wiphy_dev(wiphy, ar->dev); |
bdcd8170 | 2704 | |
be98e3a4 | 2705 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
8dafb70e VT |
2706 | BIT(NL80211_IFTYPE_ADHOC) | |
2707 | BIT(NL80211_IFTYPE_AP); | |
6bbc7c35 | 2708 | if (ar->p2p) { |
be98e3a4 | 2709 | wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | |
8dafb70e | 2710 | BIT(NL80211_IFTYPE_P2P_CLIENT); |
6bbc7c35 | 2711 | } |
8dafb70e | 2712 | |
bdcd8170 | 2713 | /* max num of ssids that can be probed during scanning */ |
be98e3a4 VT |
2714 | wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX; |
2715 | wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ | |
2716 | wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; | |
2717 | wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; | |
2718 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; | |
bdcd8170 | 2719 | |
be98e3a4 VT |
2720 | wiphy->cipher_suites = cipher_suites; |
2721 | wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
bdcd8170 | 2722 | |
eae9e066 RM |
2723 | wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | |
2724 | WIPHY_WOWLAN_DISCONNECT | | |
2725 | WIPHY_WOWLAN_GTK_REKEY_FAILURE | | |
2726 | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | | |
2727 | WIPHY_WOWLAN_EAP_IDENTITY_REQ | | |
2728 | WIPHY_WOWLAN_4WAY_HANDSHAKE; | |
2729 | wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; | |
2730 | wiphy->wowlan.pattern_min_len = 1; | |
2731 | wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; | |
2732 | ||
10509f90 KV |
2733 | wiphy->max_sched_scan_ssids = 10; |
2734 | ||
be98e3a4 | 2735 | ret = wiphy_register(wiphy); |
bdcd8170 KV |
2736 | if (ret < 0) { |
2737 | ath6kl_err("couldn't register wiphy device\n"); | |
8dafb70e | 2738 | return ret; |
bdcd8170 KV |
2739 | } |
2740 | ||
8dafb70e | 2741 | return 0; |
bdcd8170 KV |
2742 | } |
2743 | ||
108438bc | 2744 | static int ath6kl_init_if_data(struct ath6kl_vif *vif) |
bdcd8170 | 2745 | { |
2132c69c VT |
2746 | vif->aggr_cntxt = aggr_init(vif->ndev); |
2747 | if (!vif->aggr_cntxt) { | |
8dafb70e VT |
2748 | ath6kl_err("failed to initialize aggr\n"); |
2749 | return -ENOMEM; | |
2750 | } | |
2751 | ||
de3ad713 | 2752 | setup_timer(&vif->disconnect_timer, disconnect_timer_handler, |
108438bc | 2753 | (unsigned long) vif->ndev); |
10509f90 KV |
2754 | setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, |
2755 | (unsigned long) vif); | |
2756 | ||
de3ad713 | 2757 | set_bit(WMM_ENABLED, &vif->flags); |
478ac027 | 2758 | spin_lock_init(&vif->if_lock); |
bdcd8170 | 2759 | |
8dafb70e VT |
2760 | return 0; |
2761 | } | |
2762 | ||
108438bc | 2763 | void ath6kl_deinit_if_data(struct ath6kl_vif *vif) |
8dafb70e | 2764 | { |
55055976 VT |
2765 | struct ath6kl *ar = vif->ar; |
2766 | ||
2132c69c | 2767 | aggr_module_destroy(vif->aggr_cntxt); |
8dafb70e | 2768 | |
55055976 VT |
2769 | ar->avail_idx_map |= BIT(vif->fw_vif_idx); |
2770 | ||
2771 | if (vif->nw_type == ADHOC_NETWORK) | |
2772 | ar->ibss_if_active = false; | |
2773 | ||
27929723 | 2774 | unregister_netdevice(vif->ndev); |
55055976 VT |
2775 | |
2776 | ar->num_vif--; | |
8dafb70e VT |
2777 | } |
2778 | ||
2779 | struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name, | |
55055976 VT |
2780 | enum nl80211_iftype type, u8 fw_vif_idx, |
2781 | u8 nw_type) | |
8dafb70e VT |
2782 | { |
2783 | struct net_device *ndev; | |
108438bc | 2784 | struct ath6kl_vif *vif; |
8dafb70e | 2785 | |
55055976 | 2786 | ndev = alloc_netdev(sizeof(*vif), name, ether_setup); |
8dafb70e VT |
2787 | if (!ndev) |
2788 | return NULL; | |
2789 | ||
108438bc VT |
2790 | vif = netdev_priv(ndev); |
2791 | ndev->ieee80211_ptr = &vif->wdev; | |
2792 | vif->wdev.wiphy = ar->wiphy; | |
2793 | vif->ar = ar; | |
108438bc VT |
2794 | vif->ndev = ndev; |
2795 | SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); | |
2796 | vif->wdev.netdev = ndev; | |
2797 | vif->wdev.iftype = type; | |
334234b5 | 2798 | vif->fw_vif_idx = fw_vif_idx; |
55055976 | 2799 | vif->nw_type = vif->next_mode = nw_type; |
8dafb70e | 2800 | |
55055976 VT |
2801 | memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); |
2802 | if (fw_vif_idx != 0) | |
2803 | ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | | |
2804 | 0x2; | |
2805 | ||
8dafb70e VT |
2806 | init_netdev(ndev); |
2807 | ||
e29f25f5 | 2808 | ath6kl_init_control_info(vif); |
8dafb70e VT |
2809 | |
2810 | /* TODO: Pass interface specific pointer instead of ar */ | |
108438bc | 2811 | if (ath6kl_init_if_data(vif)) |
8dafb70e VT |
2812 | goto err; |
2813 | ||
27929723 | 2814 | if (register_netdevice(ndev)) |
8dafb70e VT |
2815 | goto err; |
2816 | ||
55055976 | 2817 | ar->avail_idx_map &= ~BIT(fw_vif_idx); |
14ee6f6b | 2818 | vif->sme_state = SME_DISCONNECTED; |
59c98449 | 2819 | set_bit(WLAN_ENABLED, &vif->flags); |
8dafb70e | 2820 | ar->wlan_pwr_state = WLAN_POWER_STATE_ON; |
59c98449 | 2821 | set_bit(NETDEV_REGISTERED, &vif->flags); |
8dafb70e | 2822 | |
55055976 VT |
2823 | if (type == NL80211_IFTYPE_ADHOC) |
2824 | ar->ibss_if_active = true; | |
2825 | ||
11f6e40d | 2826 | spin_lock_bh(&ar->list_lock); |
990bd915 | 2827 | list_add_tail(&vif->list, &ar->vif_list); |
11f6e40d | 2828 | spin_unlock_bh(&ar->list_lock); |
990bd915 | 2829 | |
8dafb70e VT |
2830 | return ndev; |
2831 | ||
2832 | err: | |
27929723 VT |
2833 | aggr_module_destroy(vif->aggr_cntxt); |
2834 | free_netdev(ndev); | |
8dafb70e VT |
2835 | return NULL; |
2836 | } | |
2837 | ||
2838 | void ath6kl_deinit_ieee80211_hw(struct ath6kl *ar) | |
2839 | { | |
be98e3a4 VT |
2840 | wiphy_unregister(ar->wiphy); |
2841 | wiphy_free(ar->wiphy); | |
bdcd8170 | 2842 | } |