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 | ||
17 | #include "core.h" | |
18 | #include "cfg80211.h" | |
19 | #include "debug.h" | |
abcb344b | 20 | #include "hif-ops.h" |
003353b0 | 21 | #include "testmode.h" |
bdcd8170 | 22 | |
6bbc7c35 JM |
23 | static unsigned int ath6kl_p2p; |
24 | ||
25 | module_param(ath6kl_p2p, uint, 0644); | |
26 | ||
bdcd8170 KV |
27 | #define RATETAB_ENT(_rate, _rateid, _flags) { \ |
28 | .bitrate = (_rate), \ | |
29 | .flags = (_flags), \ | |
30 | .hw_value = (_rateid), \ | |
31 | } | |
32 | ||
33 | #define CHAN2G(_channel, _freq, _flags) { \ | |
34 | .band = IEEE80211_BAND_2GHZ, \ | |
35 | .hw_value = (_channel), \ | |
36 | .center_freq = (_freq), \ | |
37 | .flags = (_flags), \ | |
38 | .max_antenna_gain = 0, \ | |
39 | .max_power = 30, \ | |
40 | } | |
41 | ||
42 | #define CHAN5G(_channel, _flags) { \ | |
43 | .band = IEEE80211_BAND_5GHZ, \ | |
44 | .hw_value = (_channel), \ | |
45 | .center_freq = 5000 + (5 * (_channel)), \ | |
46 | .flags = (_flags), \ | |
47 | .max_antenna_gain = 0, \ | |
48 | .max_power = 30, \ | |
49 | } | |
50 | ||
51 | static struct ieee80211_rate ath6kl_rates[] = { | |
52 | RATETAB_ENT(10, 0x1, 0), | |
53 | RATETAB_ENT(20, 0x2, 0), | |
54 | RATETAB_ENT(55, 0x4, 0), | |
55 | RATETAB_ENT(110, 0x8, 0), | |
56 | RATETAB_ENT(60, 0x10, 0), | |
57 | RATETAB_ENT(90, 0x20, 0), | |
58 | RATETAB_ENT(120, 0x40, 0), | |
59 | RATETAB_ENT(180, 0x80, 0), | |
60 | RATETAB_ENT(240, 0x100, 0), | |
61 | RATETAB_ENT(360, 0x200, 0), | |
62 | RATETAB_ENT(480, 0x400, 0), | |
63 | RATETAB_ENT(540, 0x800, 0), | |
64 | }; | |
65 | ||
66 | #define ath6kl_a_rates (ath6kl_rates + 4) | |
67 | #define ath6kl_a_rates_size 8 | |
68 | #define ath6kl_g_rates (ath6kl_rates + 0) | |
69 | #define ath6kl_g_rates_size 12 | |
70 | ||
71 | static struct ieee80211_channel ath6kl_2ghz_channels[] = { | |
72 | CHAN2G(1, 2412, 0), | |
73 | CHAN2G(2, 2417, 0), | |
74 | CHAN2G(3, 2422, 0), | |
75 | CHAN2G(4, 2427, 0), | |
76 | CHAN2G(5, 2432, 0), | |
77 | CHAN2G(6, 2437, 0), | |
78 | CHAN2G(7, 2442, 0), | |
79 | CHAN2G(8, 2447, 0), | |
80 | CHAN2G(9, 2452, 0), | |
81 | CHAN2G(10, 2457, 0), | |
82 | CHAN2G(11, 2462, 0), | |
83 | CHAN2G(12, 2467, 0), | |
84 | CHAN2G(13, 2472, 0), | |
85 | CHAN2G(14, 2484, 0), | |
86 | }; | |
87 | ||
88 | static struct ieee80211_channel ath6kl_5ghz_a_channels[] = { | |
89 | CHAN5G(34, 0), CHAN5G(36, 0), | |
90 | CHAN5G(38, 0), CHAN5G(40, 0), | |
91 | CHAN5G(42, 0), CHAN5G(44, 0), | |
92 | CHAN5G(46, 0), CHAN5G(48, 0), | |
93 | CHAN5G(52, 0), CHAN5G(56, 0), | |
94 | CHAN5G(60, 0), CHAN5G(64, 0), | |
95 | CHAN5G(100, 0), CHAN5G(104, 0), | |
96 | CHAN5G(108, 0), CHAN5G(112, 0), | |
97 | CHAN5G(116, 0), CHAN5G(120, 0), | |
98 | CHAN5G(124, 0), CHAN5G(128, 0), | |
99 | CHAN5G(132, 0), CHAN5G(136, 0), | |
100 | CHAN5G(140, 0), CHAN5G(149, 0), | |
101 | CHAN5G(153, 0), CHAN5G(157, 0), | |
102 | CHAN5G(161, 0), CHAN5G(165, 0), | |
103 | CHAN5G(184, 0), CHAN5G(188, 0), | |
104 | CHAN5G(192, 0), CHAN5G(196, 0), | |
105 | CHAN5G(200, 0), CHAN5G(204, 0), | |
106 | CHAN5G(208, 0), CHAN5G(212, 0), | |
107 | CHAN5G(216, 0), | |
108 | }; | |
109 | ||
110 | static struct ieee80211_supported_band ath6kl_band_2ghz = { | |
111 | .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels), | |
112 | .channels = ath6kl_2ghz_channels, | |
113 | .n_bitrates = ath6kl_g_rates_size, | |
114 | .bitrates = ath6kl_g_rates, | |
115 | }; | |
116 | ||
117 | static struct ieee80211_supported_band ath6kl_band_5ghz = { | |
118 | .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels), | |
119 | .channels = ath6kl_5ghz_a_channels, | |
120 | .n_bitrates = ath6kl_a_rates_size, | |
121 | .bitrates = ath6kl_a_rates, | |
122 | }; | |
123 | ||
837cb97e JM |
124 | #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */ |
125 | ||
240d2799 | 126 | static int ath6kl_set_wpa_version(struct ath6kl_vif *vif, |
bdcd8170 KV |
127 | enum nl80211_wpa_versions wpa_version) |
128 | { | |
129 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version); | |
130 | ||
131 | if (!wpa_version) { | |
3450334f | 132 | vif->auth_mode = NONE_AUTH; |
bdcd8170 | 133 | } else if (wpa_version & NL80211_WPA_VERSION_2) { |
3450334f | 134 | vif->auth_mode = WPA2_AUTH; |
bdcd8170 | 135 | } else if (wpa_version & NL80211_WPA_VERSION_1) { |
3450334f | 136 | vif->auth_mode = WPA_AUTH; |
bdcd8170 KV |
137 | } else { |
138 | ath6kl_err("%s: %u not supported\n", __func__, wpa_version); | |
139 | return -ENOTSUPP; | |
140 | } | |
141 | ||
142 | return 0; | |
143 | } | |
144 | ||
240d2799 | 145 | static int ath6kl_set_auth_type(struct ath6kl_vif *vif, |
bdcd8170 KV |
146 | enum nl80211_auth_type auth_type) |
147 | { | |
bdcd8170 KV |
148 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type); |
149 | ||
150 | switch (auth_type) { | |
151 | case NL80211_AUTHTYPE_OPEN_SYSTEM: | |
3450334f | 152 | vif->dot11_auth_mode = OPEN_AUTH; |
bdcd8170 KV |
153 | break; |
154 | case NL80211_AUTHTYPE_SHARED_KEY: | |
3450334f | 155 | vif->dot11_auth_mode = SHARED_AUTH; |
bdcd8170 KV |
156 | break; |
157 | case NL80211_AUTHTYPE_NETWORK_EAP: | |
3450334f | 158 | vif->dot11_auth_mode = LEAP_AUTH; |
bdcd8170 KV |
159 | break; |
160 | ||
161 | case NL80211_AUTHTYPE_AUTOMATIC: | |
3450334f | 162 | vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH; |
bdcd8170 KV |
163 | break; |
164 | ||
165 | default: | |
166 | ath6kl_err("%s: 0x%x not spported\n", __func__, auth_type); | |
167 | return -ENOTSUPP; | |
168 | } | |
169 | ||
170 | return 0; | |
171 | } | |
172 | ||
240d2799 | 173 | static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast) |
bdcd8170 | 174 | { |
3450334f VT |
175 | u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto; |
176 | u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len : | |
177 | &vif->grp_crypto_len; | |
bdcd8170 KV |
178 | |
179 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n", | |
180 | __func__, cipher, ucast); | |
181 | ||
182 | switch (cipher) { | |
183 | case 0: | |
184 | /* our own hack to use value 0 as no crypto used */ | |
185 | *ar_cipher = NONE_CRYPT; | |
186 | *ar_cipher_len = 0; | |
187 | break; | |
188 | case WLAN_CIPHER_SUITE_WEP40: | |
189 | *ar_cipher = WEP_CRYPT; | |
190 | *ar_cipher_len = 5; | |
191 | break; | |
192 | case WLAN_CIPHER_SUITE_WEP104: | |
193 | *ar_cipher = WEP_CRYPT; | |
194 | *ar_cipher_len = 13; | |
195 | break; | |
196 | case WLAN_CIPHER_SUITE_TKIP: | |
197 | *ar_cipher = TKIP_CRYPT; | |
198 | *ar_cipher_len = 0; | |
199 | break; | |
200 | case WLAN_CIPHER_SUITE_CCMP: | |
201 | *ar_cipher = AES_CRYPT; | |
202 | *ar_cipher_len = 0; | |
203 | break; | |
5e07021e DS |
204 | case WLAN_CIPHER_SUITE_SMS4: |
205 | *ar_cipher = WAPI_CRYPT; | |
206 | *ar_cipher_len = 0; | |
207 | break; | |
bdcd8170 KV |
208 | default: |
209 | ath6kl_err("cipher 0x%x not supported\n", cipher); | |
210 | return -ENOTSUPP; | |
211 | } | |
212 | ||
213 | return 0; | |
214 | } | |
215 | ||
240d2799 | 216 | static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt) |
bdcd8170 KV |
217 | { |
218 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt); | |
219 | ||
220 | if (key_mgmt == WLAN_AKM_SUITE_PSK) { | |
3450334f VT |
221 | if (vif->auth_mode == WPA_AUTH) |
222 | vif->auth_mode = WPA_PSK_AUTH; | |
223 | else if (vif->auth_mode == WPA2_AUTH) | |
224 | vif->auth_mode = WPA2_PSK_AUTH; | |
837cb97e | 225 | } else if (key_mgmt == 0x00409600) { |
3450334f VT |
226 | if (vif->auth_mode == WPA_AUTH) |
227 | vif->auth_mode = WPA_AUTH_CCKM; | |
228 | else if (vif->auth_mode == WPA2_AUTH) | |
229 | vif->auth_mode = WPA2_AUTH_CCKM; | |
bdcd8170 | 230 | } else if (key_mgmt != WLAN_AKM_SUITE_8021X) { |
3450334f | 231 | vif->auth_mode = NONE_AUTH; |
bdcd8170 KV |
232 | } |
233 | } | |
234 | ||
990bd915 | 235 | static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif) |
bdcd8170 | 236 | { |
990bd915 | 237 | struct ath6kl *ar = vif->ar; |
59c98449 | 238 | |
bdcd8170 KV |
239 | if (!test_bit(WMI_READY, &ar->flag)) { |
240 | ath6kl_err("wmi is not ready\n"); | |
241 | return false; | |
242 | } | |
243 | ||
59c98449 | 244 | if (!test_bit(WLAN_ENABLED, &vif->flags)) { |
bdcd8170 KV |
245 | ath6kl_err("wlan disabled\n"); |
246 | return false; | |
247 | } | |
248 | ||
249 | return true; | |
250 | } | |
251 | ||
6981ffdc KF |
252 | static bool ath6kl_is_wpa_ie(const u8 *pos) |
253 | { | |
254 | return pos[0] == WLAN_EID_WPA && pos[1] >= 4 && | |
255 | pos[2] == 0x00 && pos[3] == 0x50 && | |
256 | pos[4] == 0xf2 && pos[5] == 0x01; | |
257 | } | |
258 | ||
259 | static bool ath6kl_is_rsn_ie(const u8 *pos) | |
260 | { | |
261 | return pos[0] == WLAN_EID_RSN; | |
262 | } | |
263 | ||
63541212 AT |
264 | static bool ath6kl_is_wps_ie(const u8 *pos) |
265 | { | |
266 | return (pos[0] == WLAN_EID_VENDOR_SPECIFIC && | |
267 | pos[1] >= 4 && | |
268 | pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 && | |
269 | pos[5] == 0x04); | |
270 | } | |
271 | ||
334234b5 VT |
272 | static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies, |
273 | size_t ies_len) | |
6981ffdc | 274 | { |
334234b5 | 275 | struct ath6kl *ar = vif->ar; |
6981ffdc KF |
276 | const u8 *pos; |
277 | u8 *buf = NULL; | |
278 | size_t len = 0; | |
279 | int ret; | |
280 | ||
63541212 AT |
281 | /* |
282 | * Clear previously set flag | |
283 | */ | |
284 | ||
285 | ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; | |
286 | ||
6981ffdc KF |
287 | /* |
288 | * Filter out RSN/WPA IE(s) | |
289 | */ | |
290 | ||
291 | if (ies && ies_len) { | |
292 | buf = kmalloc(ies_len, GFP_KERNEL); | |
293 | if (buf == NULL) | |
294 | return -ENOMEM; | |
295 | pos = ies; | |
296 | ||
297 | while (pos + 1 < ies + ies_len) { | |
298 | if (pos + 2 + pos[1] > ies + ies_len) | |
299 | break; | |
300 | if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) { | |
301 | memcpy(buf + len, pos, 2 + pos[1]); | |
302 | len += 2 + pos[1]; | |
303 | } | |
63541212 AT |
304 | |
305 | if (ath6kl_is_wps_ie(pos)) | |
306 | ar->connect_ctrl_flags |= CONNECT_WPS_FLAG; | |
307 | ||
6981ffdc KF |
308 | pos += 2 + pos[1]; |
309 | } | |
310 | } | |
311 | ||
334234b5 VT |
312 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
313 | WMI_FRAME_ASSOC_REQ, buf, len); | |
6981ffdc KF |
314 | kfree(buf); |
315 | return ret; | |
316 | } | |
317 | ||
55055976 VT |
318 | static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type) |
319 | { | |
320 | switch (type) { | |
321 | case NL80211_IFTYPE_STATION: | |
322 | *nw_type = INFRA_NETWORK; | |
323 | break; | |
324 | case NL80211_IFTYPE_ADHOC: | |
325 | *nw_type = ADHOC_NETWORK; | |
326 | break; | |
327 | case NL80211_IFTYPE_AP: | |
328 | *nw_type = AP_NETWORK; | |
329 | break; | |
330 | case NL80211_IFTYPE_P2P_CLIENT: | |
331 | *nw_type = INFRA_NETWORK; | |
332 | break; | |
333 | case NL80211_IFTYPE_P2P_GO: | |
334 | *nw_type = AP_NETWORK; | |
335 | break; | |
336 | default: | |
337 | ath6kl_err("invalid interface type %u\n", type); | |
338 | return -ENOTSUPP; | |
339 | } | |
340 | ||
341 | return 0; | |
342 | } | |
343 | ||
344 | static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type, | |
345 | u8 *if_idx, u8 *nw_type) | |
346 | { | |
347 | int i; | |
348 | ||
349 | if (ath6kl_nliftype_to_drv_iftype(type, nw_type)) | |
350 | return false; | |
351 | ||
352 | if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) && | |
353 | ar->num_vif)) | |
354 | return false; | |
355 | ||
356 | if (type == NL80211_IFTYPE_STATION || | |
357 | type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) { | |
71f96ee6 | 358 | for (i = 0; i < ar->vif_max; i++) { |
55055976 VT |
359 | if ((ar->avail_idx_map >> i) & BIT(0)) { |
360 | *if_idx = i; | |
361 | return true; | |
362 | } | |
363 | } | |
364 | } | |
365 | ||
3226f68a VT |
366 | if (type == NL80211_IFTYPE_P2P_CLIENT || |
367 | type == NL80211_IFTYPE_P2P_GO) { | |
71f96ee6 | 368 | for (i = ar->max_norm_iface; i < ar->vif_max; i++) { |
3226f68a VT |
369 | if ((ar->avail_idx_map >> i) & BIT(0)) { |
370 | *if_idx = i; | |
371 | return true; | |
372 | } | |
373 | } | |
374 | } | |
375 | ||
55055976 VT |
376 | return false; |
377 | } | |
378 | ||
bdcd8170 KV |
379 | static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, |
380 | struct cfg80211_connect_params *sme) | |
381 | { | |
382 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 383 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
384 | int status; |
385 | ||
14ee6f6b | 386 | vif->sme_state = SME_CONNECTING; |
bdcd8170 | 387 | |
990bd915 | 388 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
389 | return -EIO; |
390 | ||
391 | if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { | |
392 | ath6kl_err("destroy in progress\n"); | |
393 | return -EBUSY; | |
394 | } | |
395 | ||
396 | if (test_bit(SKIP_SCAN, &ar->flag) && | |
397 | ((sme->channel && sme->channel->center_freq == 0) || | |
398 | (sme->bssid && is_zero_ether_addr(sme->bssid)))) { | |
399 | ath6kl_err("SkipScan: channel or bssid invalid\n"); | |
400 | return -EINVAL; | |
401 | } | |
402 | ||
403 | if (down_interruptible(&ar->sem)) { | |
404 | ath6kl_err("busy, couldn't get access\n"); | |
405 | return -ERESTARTSYS; | |
406 | } | |
407 | ||
408 | if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { | |
409 | ath6kl_err("busy, destroy in progress\n"); | |
410 | up(&ar->sem); | |
411 | return -EBUSY; | |
412 | } | |
413 | ||
414 | if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) { | |
415 | /* | |
416 | * sleep until the command queue drains | |
417 | */ | |
418 | wait_event_interruptible_timeout(ar->event_wq, | |
419 | ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0, | |
420 | WMI_TIMEOUT); | |
421 | if (signal_pending(current)) { | |
422 | ath6kl_err("cmd queue drain timeout\n"); | |
423 | up(&ar->sem); | |
424 | return -EINTR; | |
425 | } | |
426 | } | |
427 | ||
6981ffdc | 428 | if (sme->ie && (sme->ie_len > 0)) { |
334234b5 | 429 | status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len); |
743b4518 DC |
430 | if (status) { |
431 | up(&ar->sem); | |
6981ffdc | 432 | return status; |
743b4518 | 433 | } |
542c519a RM |
434 | } else |
435 | ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; | |
6981ffdc | 436 | |
59c98449 | 437 | if (test_bit(CONNECTED, &vif->flags) && |
3450334f VT |
438 | vif->ssid_len == sme->ssid_len && |
439 | !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { | |
cf5333d7 | 440 | vif->reconnect_flag = true; |
334234b5 VT |
441 | status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx, |
442 | vif->req_bssid, | |
f74bac54 | 443 | vif->ch_hint); |
bdcd8170 KV |
444 | |
445 | up(&ar->sem); | |
446 | if (status) { | |
447 | ath6kl_err("wmi_reconnect_cmd failed\n"); | |
448 | return -EIO; | |
449 | } | |
450 | return 0; | |
3450334f VT |
451 | } else if (vif->ssid_len == sme->ssid_len && |
452 | !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { | |
240d2799 | 453 | ath6kl_disconnect(vif); |
bdcd8170 KV |
454 | } |
455 | ||
3450334f VT |
456 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
457 | vif->ssid_len = sme->ssid_len; | |
458 | memcpy(vif->ssid, sme->ssid, sme->ssid_len); | |
bdcd8170 KV |
459 | |
460 | if (sme->channel) | |
f74bac54 | 461 | vif->ch_hint = sme->channel->center_freq; |
bdcd8170 | 462 | |
8c8b65e3 | 463 | memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
bdcd8170 | 464 | if (sme->bssid && !is_broadcast_ether_addr(sme->bssid)) |
8c8b65e3 | 465 | memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid)); |
bdcd8170 | 466 | |
240d2799 | 467 | ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions); |
bdcd8170 | 468 | |
240d2799 | 469 | status = ath6kl_set_auth_type(vif, sme->auth_type); |
bdcd8170 KV |
470 | if (status) { |
471 | up(&ar->sem); | |
472 | return status; | |
473 | } | |
474 | ||
475 | if (sme->crypto.n_ciphers_pairwise) | |
240d2799 | 476 | ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true); |
bdcd8170 | 477 | else |
240d2799 | 478 | ath6kl_set_cipher(vif, 0, true); |
bdcd8170 | 479 | |
240d2799 | 480 | ath6kl_set_cipher(vif, sme->crypto.cipher_group, false); |
bdcd8170 KV |
481 | |
482 | if (sme->crypto.n_akm_suites) | |
240d2799 | 483 | ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]); |
bdcd8170 KV |
484 | |
485 | if ((sme->key_len) && | |
3450334f VT |
486 | (vif->auth_mode == NONE_AUTH) && |
487 | (vif->prwise_crypto == WEP_CRYPT)) { | |
bdcd8170 KV |
488 | struct ath6kl_key *key = NULL; |
489 | ||
490 | if (sme->key_idx < WMI_MIN_KEY_INDEX || | |
491 | sme->key_idx > WMI_MAX_KEY_INDEX) { | |
492 | ath6kl_err("key index %d out of bounds\n", | |
493 | sme->key_idx); | |
494 | up(&ar->sem); | |
495 | return -ENOENT; | |
496 | } | |
497 | ||
6f2a73f9 | 498 | key = &vif->keys[sme->key_idx]; |
bdcd8170 KV |
499 | key->key_len = sme->key_len; |
500 | memcpy(key->key, sme->key, key->key_len); | |
3450334f VT |
501 | key->cipher = vif->prwise_crypto; |
502 | vif->def_txkey_index = sme->key_idx; | |
bdcd8170 | 503 | |
334234b5 | 504 | ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx, |
3450334f | 505 | vif->prwise_crypto, |
bdcd8170 KV |
506 | GROUP_USAGE | TX_USAGE, |
507 | key->key_len, | |
f4bb9a6f | 508 | NULL, 0, |
bdcd8170 KV |
509 | key->key, KEY_OP_INIT_VAL, NULL, |
510 | NO_SYNC_WMIFLAG); | |
511 | } | |
512 | ||
513 | if (!ar->usr_bss_filter) { | |
59c98449 | 514 | clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); |
240d2799 VT |
515 | if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, |
516 | ALL_BSS_FILTER, 0) != 0) { | |
bdcd8170 KV |
517 | ath6kl_err("couldn't set bss filtering\n"); |
518 | up(&ar->sem); | |
519 | return -EIO; | |
520 | } | |
521 | } | |
522 | ||
f5938f24 | 523 | vif->nw_type = vif->next_mode; |
bdcd8170 KV |
524 | |
525 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
526 | "%s: connect called with authmode %d dot11 auth %d" | |
527 | " PW crypto %d PW crypto len %d GRP crypto %d" | |
528 | " GRP crypto len %d channel hint %u\n", | |
529 | __func__, | |
3450334f VT |
530 | vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, |
531 | vif->prwise_crypto_len, vif->grp_crypto, | |
f74bac54 | 532 | vif->grp_crypto_len, vif->ch_hint); |
bdcd8170 | 533 | |
cf5333d7 | 534 | vif->reconnect_flag = 0; |
334234b5 | 535 | status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, |
3450334f VT |
536 | vif->dot11_auth_mode, vif->auth_mode, |
537 | vif->prwise_crypto, | |
538 | vif->prwise_crypto_len, | |
539 | vif->grp_crypto, vif->grp_crypto_len, | |
540 | vif->ssid_len, vif->ssid, | |
f74bac54 | 541 | vif->req_bssid, vif->ch_hint, |
bdcd8170 KV |
542 | ar->connect_ctrl_flags); |
543 | ||
544 | up(&ar->sem); | |
545 | ||
546 | if (status == -EINVAL) { | |
3450334f VT |
547 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
548 | vif->ssid_len = 0; | |
bdcd8170 KV |
549 | ath6kl_err("invalid request\n"); |
550 | return -ENOENT; | |
551 | } else if (status) { | |
552 | ath6kl_err("ath6kl_wmi_connect_cmd failed\n"); | |
553 | return -EIO; | |
554 | } | |
555 | ||
556 | if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) && | |
3450334f VT |
557 | ((vif->auth_mode == WPA_PSK_AUTH) |
558 | || (vif->auth_mode == WPA2_PSK_AUTH))) { | |
de3ad713 | 559 | mod_timer(&vif->disconnect_timer, |
bdcd8170 KV |
560 | jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL)); |
561 | } | |
562 | ||
563 | ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD; | |
59c98449 | 564 | set_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 KV |
565 | |
566 | return 0; | |
567 | } | |
568 | ||
4eab6f4f RM |
569 | static int ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, |
570 | enum network_type nw_type, | |
571 | const u8 *bssid, | |
01cac476 JM |
572 | struct ieee80211_channel *chan, |
573 | const u8 *beacon_ie, size_t beacon_ie_len) | |
574 | { | |
240d2799 | 575 | struct ath6kl *ar = vif->ar; |
01cac476 | 576 | struct cfg80211_bss *bss; |
4eab6f4f | 577 | u16 cap_mask, cap_val; |
01cac476 JM |
578 | u8 *ie; |
579 | ||
4eab6f4f RM |
580 | if (nw_type & ADHOC_NETWORK) { |
581 | cap_mask = WLAN_CAPABILITY_IBSS; | |
582 | cap_val = WLAN_CAPABILITY_IBSS; | |
583 | } else { | |
584 | cap_mask = WLAN_CAPABILITY_ESS; | |
585 | cap_val = WLAN_CAPABILITY_ESS; | |
586 | } | |
587 | ||
be98e3a4 | 588 | bss = cfg80211_get_bss(ar->wiphy, chan, bssid, |
4eab6f4f RM |
589 | vif->ssid, vif->ssid_len, |
590 | cap_mask, cap_val); | |
01cac476 JM |
591 | if (bss == NULL) { |
592 | /* | |
593 | * Since cfg80211 may not yet know about the BSS, | |
594 | * generate a partial entry until the first BSS info | |
595 | * event becomes available. | |
596 | * | |
597 | * Prepend SSID element since it is not included in the Beacon | |
598 | * IEs from the target. | |
599 | */ | |
3450334f | 600 | ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL); |
01cac476 JM |
601 | if (ie == NULL) |
602 | return -ENOMEM; | |
603 | ie[0] = WLAN_EID_SSID; | |
3450334f VT |
604 | ie[1] = vif->ssid_len; |
605 | memcpy(ie + 2, vif->ssid, vif->ssid_len); | |
606 | memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len); | |
be98e3a4 | 607 | bss = cfg80211_inform_bss(ar->wiphy, chan, |
4eab6f4f | 608 | bssid, 0, cap_val, 100, |
3450334f | 609 | ie, 2 + vif->ssid_len + beacon_ie_len, |
01cac476 JM |
610 | 0, GFP_KERNEL); |
611 | if (bss) | |
4eab6f4f RM |
612 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "added bss %pM to " |
613 | "cfg80211\n", bssid); | |
01cac476 JM |
614 | kfree(ie); |
615 | } else | |
616 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss " | |
617 | "entry\n"); | |
618 | ||
619 | if (bss == NULL) | |
620 | return -ENOMEM; | |
621 | ||
622 | cfg80211_put_bss(bss); | |
623 | ||
624 | return 0; | |
625 | } | |
626 | ||
240d2799 | 627 | void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, |
bdcd8170 KV |
628 | u8 *bssid, u16 listen_intvl, |
629 | u16 beacon_intvl, | |
630 | enum network_type nw_type, | |
631 | u8 beacon_ie_len, u8 assoc_req_len, | |
632 | u8 assoc_resp_len, u8 *assoc_info) | |
633 | { | |
01cac476 | 634 | struct ieee80211_channel *chan; |
240d2799 | 635 | struct ath6kl *ar = vif->ar; |
bdcd8170 KV |
636 | |
637 | /* capinfo + listen interval */ | |
638 | u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16); | |
639 | ||
640 | /* capinfo + status code + associd */ | |
641 | u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16); | |
642 | ||
643 | u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset; | |
644 | u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len + | |
645 | assoc_resp_ie_offset; | |
646 | ||
647 | assoc_req_len -= assoc_req_ie_offset; | |
648 | assoc_resp_len -= assoc_resp_ie_offset; | |
649 | ||
32c10874 JM |
650 | /* |
651 | * Store Beacon interval here; DTIM period will be available only once | |
652 | * a Beacon frame from the AP is seen. | |
653 | */ | |
cf5333d7 | 654 | vif->assoc_bss_beacon_int = beacon_intvl; |
59c98449 | 655 | clear_bit(DTIM_PERIOD_AVAIL, &vif->flags); |
32c10874 | 656 | |
bdcd8170 | 657 | if (nw_type & ADHOC_NETWORK) { |
551959d8 | 658 | if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { |
bdcd8170 KV |
659 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
660 | "%s: ath6k not in ibss mode\n", __func__); | |
661 | return; | |
662 | } | |
663 | } | |
664 | ||
665 | if (nw_type & INFRA_NETWORK) { | |
551959d8 VT |
666 | if (vif->wdev.iftype != NL80211_IFTYPE_STATION && |
667 | vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { | |
bdcd8170 KV |
668 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
669 | "%s: ath6k not in station mode\n", __func__); | |
670 | return; | |
671 | } | |
672 | } | |
673 | ||
be98e3a4 | 674 | chan = ieee80211_get_channel(ar->wiphy, (int) channel); |
bdcd8170 | 675 | |
4eab6f4f RM |
676 | if (ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, assoc_info, |
677 | beacon_ie_len) < 0) { | |
678 | ath6kl_err("could not add cfg80211 bss entry\n"); | |
bdcd8170 KV |
679 | return; |
680 | } | |
681 | ||
4eab6f4f RM |
682 | if (nw_type & ADHOC_NETWORK) { |
683 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", | |
684 | nw_type & ADHOC_CREATOR ? "creator" : "joiner"); | |
685 | cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); | |
bdcd8170 KV |
686 | return; |
687 | } | |
688 | ||
14ee6f6b | 689 | if (vif->sme_state == SME_CONNECTING) { |
bdcd8170 | 690 | /* inform connect result to cfg80211 */ |
14ee6f6b | 691 | vif->sme_state = SME_CONNECTED; |
240d2799 | 692 | cfg80211_connect_result(vif->ndev, bssid, |
bdcd8170 KV |
693 | assoc_req_ie, assoc_req_len, |
694 | assoc_resp_ie, assoc_resp_len, | |
695 | WLAN_STATUS_SUCCESS, GFP_KERNEL); | |
14ee6f6b | 696 | } else if (vif->sme_state == SME_CONNECTED) { |
bdcd8170 | 697 | /* inform roam event to cfg80211 */ |
240d2799 | 698 | cfg80211_roamed(vif->ndev, chan, bssid, |
bdcd8170 KV |
699 | assoc_req_ie, assoc_req_len, |
700 | assoc_resp_ie, assoc_resp_len, GFP_KERNEL); | |
701 | } | |
702 | } | |
703 | ||
704 | static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy, | |
705 | struct net_device *dev, u16 reason_code) | |
706 | { | |
707 | struct ath6kl *ar = (struct ath6kl *)ath6kl_priv(dev); | |
3450334f | 708 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
709 | |
710 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__, | |
711 | reason_code); | |
712 | ||
990bd915 | 713 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
714 | return -EIO; |
715 | ||
716 | if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { | |
717 | ath6kl_err("busy, destroy in progress\n"); | |
718 | return -EBUSY; | |
719 | } | |
720 | ||
721 | if (down_interruptible(&ar->sem)) { | |
722 | ath6kl_err("busy, couldn't get access\n"); | |
723 | return -ERESTARTSYS; | |
724 | } | |
725 | ||
cf5333d7 | 726 | vif->reconnect_flag = 0; |
240d2799 | 727 | ath6kl_disconnect(vif); |
3450334f VT |
728 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
729 | vif->ssid_len = 0; | |
bdcd8170 KV |
730 | |
731 | if (!test_bit(SKIP_SCAN, &ar->flag)) | |
8c8b65e3 | 732 | memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
bdcd8170 KV |
733 | |
734 | up(&ar->sem); | |
735 | ||
14ee6f6b | 736 | vif->sme_state = SME_DISCONNECTED; |
170826dd | 737 | |
bdcd8170 KV |
738 | return 0; |
739 | } | |
740 | ||
240d2799 | 741 | void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, |
bdcd8170 KV |
742 | u8 *bssid, u8 assoc_resp_len, |
743 | u8 *assoc_info, u16 proto_reason) | |
744 | { | |
240d2799 | 745 | struct ath6kl *ar = vif->ar; |
59c98449 | 746 | |
14ee6f6b VT |
747 | if (vif->scan_req) { |
748 | cfg80211_scan_done(vif->scan_req, true); | |
749 | vif->scan_req = NULL; | |
bdcd8170 KV |
750 | } |
751 | ||
f5938f24 | 752 | if (vif->nw_type & ADHOC_NETWORK) { |
551959d8 | 753 | if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { |
bdcd8170 KV |
754 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
755 | "%s: ath6k not in ibss mode\n", __func__); | |
756 | return; | |
757 | } | |
758 | memset(bssid, 0, ETH_ALEN); | |
240d2799 | 759 | cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); |
bdcd8170 KV |
760 | return; |
761 | } | |
762 | ||
f5938f24 | 763 | if (vif->nw_type & INFRA_NETWORK) { |
551959d8 VT |
764 | if (vif->wdev.iftype != NL80211_IFTYPE_STATION && |
765 | vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { | |
bdcd8170 KV |
766 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
767 | "%s: ath6k not in station mode\n", __func__); | |
768 | return; | |
769 | } | |
770 | } | |
771 | ||
1de547d6 VT |
772 | /* |
773 | * Send a disconnect command to target when a disconnect event is | |
774 | * received with reason code other than 3 (DISCONNECT_CMD - disconnect | |
775 | * request from host) to make the firmware stop trying to connect even | |
776 | * after giving disconnect event. There will be one more disconnect | |
777 | * event for this disconnect command with reason code DISCONNECT_CMD | |
778 | * which will be notified to cfg80211. | |
779 | */ | |
bdcd8170 | 780 | |
1de547d6 | 781 | if (reason != DISCONNECT_CMD) { |
334234b5 | 782 | ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); |
bdcd8170 KV |
783 | return; |
784 | } | |
785 | ||
59c98449 | 786 | clear_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 | 787 | |
14ee6f6b | 788 | if (vif->sme_state == SME_CONNECTING) { |
240d2799 | 789 | cfg80211_connect_result(vif->ndev, |
ac59a2b2 VT |
790 | bssid, NULL, 0, |
791 | NULL, 0, | |
792 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
793 | GFP_KERNEL); | |
14ee6f6b | 794 | } else if (vif->sme_state == SME_CONNECTED) { |
240d2799 | 795 | cfg80211_disconnected(vif->ndev, reason, |
ac59a2b2 | 796 | NULL, 0, GFP_KERNEL); |
bdcd8170 KV |
797 | } |
798 | ||
14ee6f6b | 799 | vif->sme_state = SME_DISCONNECTED; |
bdcd8170 KV |
800 | } |
801 | ||
bdcd8170 KV |
802 | static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, |
803 | struct cfg80211_scan_request *request) | |
804 | { | |
805 | struct ath6kl *ar = (struct ath6kl *)ath6kl_priv(ndev); | |
59c98449 | 806 | struct ath6kl_vif *vif = netdev_priv(ndev); |
1276c9ef EL |
807 | s8 n_channels = 0; |
808 | u16 *channels = NULL; | |
bdcd8170 | 809 | int ret = 0; |
f1f92179 | 810 | u32 force_fg_scan = 0; |
bdcd8170 | 811 | |
990bd915 | 812 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
813 | return -EIO; |
814 | ||
815 | if (!ar->usr_bss_filter) { | |
59c98449 | 816 | clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); |
1b1e6ee3 | 817 | ret = ath6kl_wmi_bssfilter_cmd( |
240d2799 | 818 | ar->wmi, vif->fw_vif_idx, |
59c98449 | 819 | (test_bit(CONNECTED, &vif->flags) ? |
1b1e6ee3 JM |
820 | ALL_BUT_BSS_FILTER : ALL_BSS_FILTER), 0); |
821 | if (ret) { | |
bdcd8170 | 822 | ath6kl_err("couldn't set bss filtering\n"); |
1b1e6ee3 | 823 | return ret; |
bdcd8170 KV |
824 | } |
825 | } | |
826 | ||
827 | if (request->n_ssids && request->ssids[0].ssid_len) { | |
828 | u8 i; | |
829 | ||
830 | if (request->n_ssids > (MAX_PROBED_SSID_INDEX - 1)) | |
831 | request->n_ssids = MAX_PROBED_SSID_INDEX - 1; | |
832 | ||
833 | for (i = 0; i < request->n_ssids; i++) | |
334234b5 VT |
834 | ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, |
835 | i + 1, SPECIFIC_SSID_FLAG, | |
bdcd8170 KV |
836 | request->ssids[i].ssid_len, |
837 | request->ssids[i].ssid); | |
838 | } | |
839 | ||
b84da8c7 | 840 | if (request->ie) { |
334234b5 VT |
841 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
842 | WMI_FRAME_PROBE_REQ, | |
b84da8c7 JM |
843 | request->ie, request->ie_len); |
844 | if (ret) { | |
845 | ath6kl_err("failed to set Probe Request appie for " | |
846 | "scan"); | |
847 | return ret; | |
848 | } | |
849 | } | |
850 | ||
11869bef JM |
851 | /* |
852 | * Scan only the requested channels if the request specifies a set of | |
853 | * channels. If the list is longer than the target supports, do not | |
854 | * configure the list and instead, scan all available channels. | |
855 | */ | |
856 | if (request->n_channels > 0 && | |
857 | request->n_channels <= WMI_MAX_CHANNELS) { | |
1276c9ef EL |
858 | u8 i; |
859 | ||
11869bef | 860 | n_channels = request->n_channels; |
1276c9ef EL |
861 | |
862 | channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL); | |
863 | if (channels == NULL) { | |
864 | ath6kl_warn("failed to set scan channels, " | |
865 | "scan all channels"); | |
866 | n_channels = 0; | |
867 | } | |
868 | ||
869 | for (i = 0; i < n_channels; i++) | |
870 | channels[i] = request->channels[i]->center_freq; | |
871 | } | |
872 | ||
59c98449 | 873 | if (test_bit(CONNECTED, &vif->flags)) |
f1f92179 VT |
874 | force_fg_scan = 1; |
875 | ||
334234b5 VT |
876 | ret = ath6kl_wmi_startscan_cmd(ar->wmi, vif->fw_vif_idx, WMI_LONG_SCAN, |
877 | force_fg_scan, false, 0, 0, n_channels, | |
878 | channels); | |
1b1e6ee3 | 879 | if (ret) |
bdcd8170 | 880 | ath6kl_err("wmi_startscan_cmd failed\n"); |
11869bef | 881 | else |
14ee6f6b | 882 | vif->scan_req = request; |
bdcd8170 | 883 | |
1276c9ef EL |
884 | kfree(channels); |
885 | ||
bdcd8170 KV |
886 | return ret; |
887 | } | |
888 | ||
1c17d313 | 889 | void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted) |
bdcd8170 | 890 | { |
240d2799 | 891 | struct ath6kl *ar = vif->ar; |
6fd1eace | 892 | int i; |
bdcd8170 | 893 | |
1c17d313 KV |
894 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__, |
895 | aborted ? " aborted" : ""); | |
bdcd8170 | 896 | |
14ee6f6b | 897 | if (!vif->scan_req) |
6fd1eace KV |
898 | return; |
899 | ||
1c17d313 | 900 | if (aborted) |
6fd1eace | 901 | goto out; |
6fd1eace | 902 | |
14ee6f6b VT |
903 | if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) { |
904 | for (i = 0; i < vif->scan_req->n_ssids; i++) { | |
334234b5 VT |
905 | ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, |
906 | i + 1, DISABLE_SSID_FLAG, | |
6fd1eace | 907 | 0, NULL); |
bdcd8170 | 908 | } |
bdcd8170 | 909 | } |
6fd1eace KV |
910 | |
911 | out: | |
cb93821a | 912 | cfg80211_scan_done(vif->scan_req, aborted); |
14ee6f6b | 913 | vif->scan_req = NULL; |
bdcd8170 KV |
914 | } |
915 | ||
916 | static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, | |
917 | u8 key_index, bool pairwise, | |
918 | const u8 *mac_addr, | |
919 | struct key_params *params) | |
920 | { | |
921 | struct ath6kl *ar = (struct ath6kl *)ath6kl_priv(ndev); | |
59c98449 | 922 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 KV |
923 | struct ath6kl_key *key = NULL; |
924 | u8 key_usage; | |
925 | u8 key_type; | |
bdcd8170 | 926 | |
990bd915 | 927 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
928 | return -EIO; |
929 | ||
837cb97e JM |
930 | if (params->cipher == CCKM_KRK_CIPHER_SUITE) { |
931 | if (params->key_len != WMI_KRK_LEN) | |
932 | return -EINVAL; | |
240d2799 VT |
933 | return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, |
934 | params->key); | |
837cb97e JM |
935 | } |
936 | ||
bdcd8170 KV |
937 | if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { |
938 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
939 | "%s: key index %d out of bounds\n", __func__, | |
940 | key_index); | |
941 | return -ENOENT; | |
942 | } | |
943 | ||
6f2a73f9 | 944 | key = &vif->keys[key_index]; |
bdcd8170 KV |
945 | memset(key, 0, sizeof(struct ath6kl_key)); |
946 | ||
947 | if (pairwise) | |
948 | key_usage = PAIRWISE_USAGE; | |
949 | else | |
950 | key_usage = GROUP_USAGE; | |
951 | ||
952 | if (params) { | |
5e07021e DS |
953 | int seq_len = params->seq_len; |
954 | if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && | |
955 | seq_len > ATH6KL_KEY_SEQ_LEN) { | |
956 | /* Only first half of the WPI PN is configured */ | |
957 | seq_len = ATH6KL_KEY_SEQ_LEN; | |
958 | } | |
bdcd8170 | 959 | if (params->key_len > WLAN_MAX_KEY_LEN || |
5e07021e | 960 | seq_len > sizeof(key->seq)) |
bdcd8170 KV |
961 | return -EINVAL; |
962 | ||
963 | key->key_len = params->key_len; | |
964 | memcpy(key->key, params->key, key->key_len); | |
5e07021e | 965 | key->seq_len = seq_len; |
bdcd8170 KV |
966 | memcpy(key->seq, params->seq, key->seq_len); |
967 | key->cipher = params->cipher; | |
968 | } | |
969 | ||
970 | switch (key->cipher) { | |
971 | case WLAN_CIPHER_SUITE_WEP40: | |
972 | case WLAN_CIPHER_SUITE_WEP104: | |
973 | key_type = WEP_CRYPT; | |
974 | break; | |
975 | ||
976 | case WLAN_CIPHER_SUITE_TKIP: | |
977 | key_type = TKIP_CRYPT; | |
978 | break; | |
979 | ||
980 | case WLAN_CIPHER_SUITE_CCMP: | |
981 | key_type = AES_CRYPT; | |
982 | break; | |
5e07021e DS |
983 | case WLAN_CIPHER_SUITE_SMS4: |
984 | key_type = WAPI_CRYPT; | |
985 | break; | |
bdcd8170 KV |
986 | |
987 | default: | |
988 | return -ENOTSUPP; | |
989 | } | |
990 | ||
3450334f VT |
991 | if (((vif->auth_mode == WPA_PSK_AUTH) |
992 | || (vif->auth_mode == WPA2_PSK_AUTH)) | |
bdcd8170 | 993 | && (key_usage & GROUP_USAGE)) |
de3ad713 | 994 | del_timer(&vif->disconnect_timer); |
bdcd8170 KV |
995 | |
996 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
997 | "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", | |
998 | __func__, key_index, key->key_len, key_type, | |
999 | key_usage, key->seq_len); | |
1000 | ||
f5938f24 | 1001 | if (vif->nw_type == AP_NETWORK && !pairwise && |
4703290a JM |
1002 | (key_type == TKIP_CRYPT || key_type == AES_CRYPT || |
1003 | key_type == WAPI_CRYPT) && params) { | |
9a5b1318 JM |
1004 | ar->ap_mode_bkey.valid = true; |
1005 | ar->ap_mode_bkey.key_index = key_index; | |
1006 | ar->ap_mode_bkey.key_type = key_type; | |
1007 | ar->ap_mode_bkey.key_len = key->key_len; | |
1008 | memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); | |
59c98449 | 1009 | if (!test_bit(CONNECTED, &vif->flags)) { |
9a5b1318 JM |
1010 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay initial group " |
1011 | "key configuration until AP mode has been " | |
1012 | "started\n"); | |
1013 | /* | |
1014 | * The key will be set in ath6kl_connect_ap_mode() once | |
1015 | * the connected event is received from the target. | |
1016 | */ | |
1017 | return 0; | |
1018 | } | |
1019 | } | |
1020 | ||
f5938f24 | 1021 | if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && |
59c98449 | 1022 | !test_bit(CONNECTED, &vif->flags)) { |
151411e8 JM |
1023 | /* |
1024 | * Store the key locally so that it can be re-configured after | |
1025 | * the AP mode has properly started | |
1026 | * (ath6kl_install_statioc_wep_keys). | |
1027 | */ | |
1028 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay WEP key configuration " | |
1029 | "until AP mode has been started\n"); | |
6f2a73f9 VT |
1030 | vif->wep_key_list[key_index].key_len = key->key_len; |
1031 | memcpy(vif->wep_key_list[key_index].key, key->key, | |
1032 | key->key_len); | |
151411e8 JM |
1033 | return 0; |
1034 | } | |
1035 | ||
7cefa44f | 1036 | return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, |
f3e61ece JM |
1037 | key_type, key_usage, key->key_len, |
1038 | key->seq, key->seq_len, key->key, | |
1039 | KEY_OP_INIT_VAL, | |
1040 | (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); | |
bdcd8170 KV |
1041 | } |
1042 | ||
1043 | static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, | |
1044 | u8 key_index, bool pairwise, | |
1045 | const u8 *mac_addr) | |
1046 | { | |
1047 | struct ath6kl *ar = (struct ath6kl *)ath6kl_priv(ndev); | |
6f2a73f9 | 1048 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 KV |
1049 | |
1050 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); | |
1051 | ||
990bd915 | 1052 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1053 | return -EIO; |
1054 | ||
1055 | if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { | |
1056 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1057 | "%s: key index %d out of bounds\n", __func__, | |
1058 | key_index); | |
1059 | return -ENOENT; | |
1060 | } | |
1061 | ||
6f2a73f9 | 1062 | if (!vif->keys[key_index].key_len) { |
bdcd8170 KV |
1063 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1064 | "%s: index %d is empty\n", __func__, key_index); | |
1065 | return 0; | |
1066 | } | |
1067 | ||
6f2a73f9 | 1068 | vif->keys[key_index].key_len = 0; |
bdcd8170 | 1069 | |
334234b5 | 1070 | return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); |
bdcd8170 KV |
1071 | } |
1072 | ||
1073 | static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, | |
1074 | u8 key_index, bool pairwise, | |
1075 | const u8 *mac_addr, void *cookie, | |
1076 | void (*callback) (void *cookie, | |
1077 | struct key_params *)) | |
1078 | { | |
6f2a73f9 | 1079 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 KV |
1080 | struct ath6kl_key *key = NULL; |
1081 | struct key_params params; | |
1082 | ||
1083 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); | |
1084 | ||
990bd915 | 1085 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1086 | return -EIO; |
1087 | ||
1088 | if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { | |
1089 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1090 | "%s: key index %d out of bounds\n", __func__, | |
1091 | key_index); | |
1092 | return -ENOENT; | |
1093 | } | |
1094 | ||
6f2a73f9 | 1095 | key = &vif->keys[key_index]; |
bdcd8170 KV |
1096 | memset(¶ms, 0, sizeof(params)); |
1097 | params.cipher = key->cipher; | |
1098 | params.key_len = key->key_len; | |
1099 | params.seq_len = key->seq_len; | |
1100 | params.seq = key->seq; | |
1101 | params.key = key->key; | |
1102 | ||
1103 | callback(cookie, ¶ms); | |
1104 | ||
1105 | return key->key_len ? 0 : -ENOENT; | |
1106 | } | |
1107 | ||
1108 | static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, | |
1109 | struct net_device *ndev, | |
1110 | u8 key_index, bool unicast, | |
1111 | bool multicast) | |
1112 | { | |
1113 | struct ath6kl *ar = (struct ath6kl *)ath6kl_priv(ndev); | |
59c98449 | 1114 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 | 1115 | struct ath6kl_key *key = NULL; |
bdcd8170 | 1116 | u8 key_usage; |
229ed6b5 | 1117 | enum crypto_type key_type = NONE_CRYPT; |
bdcd8170 KV |
1118 | |
1119 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); | |
1120 | ||
990bd915 | 1121 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1122 | return -EIO; |
1123 | ||
1124 | if (key_index < WMI_MIN_KEY_INDEX || key_index > WMI_MAX_KEY_INDEX) { | |
1125 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1126 | "%s: key index %d out of bounds\n", | |
1127 | __func__, key_index); | |
1128 | return -ENOENT; | |
1129 | } | |
1130 | ||
6f2a73f9 | 1131 | if (!vif->keys[key_index].key_len) { |
bdcd8170 KV |
1132 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", |
1133 | __func__, key_index); | |
1134 | return -EINVAL; | |
1135 | } | |
1136 | ||
3450334f | 1137 | vif->def_txkey_index = key_index; |
6f2a73f9 | 1138 | key = &vif->keys[vif->def_txkey_index]; |
bdcd8170 | 1139 | key_usage = GROUP_USAGE; |
3450334f | 1140 | if (vif->prwise_crypto == WEP_CRYPT) |
bdcd8170 | 1141 | key_usage |= TX_USAGE; |
229ed6b5 | 1142 | if (unicast) |
3450334f | 1143 | key_type = vif->prwise_crypto; |
229ed6b5 | 1144 | if (multicast) |
3450334f | 1145 | key_type = vif->grp_crypto; |
bdcd8170 | 1146 | |
f5938f24 | 1147 | if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) |
9a5b1318 JM |
1148 | return 0; /* Delay until AP mode has been started */ |
1149 | ||
f3e61ece JM |
1150 | return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, |
1151 | vif->def_txkey_index, | |
1152 | key_type, key_usage, | |
1153 | key->key_len, key->seq, key->seq_len, | |
1154 | key->key, | |
1155 | KEY_OP_INIT_VAL, NULL, | |
1156 | SYNC_BOTH_WMIFLAG); | |
bdcd8170 KV |
1157 | } |
1158 | ||
240d2799 | 1159 | void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, |
bdcd8170 KV |
1160 | bool ismcast) |
1161 | { | |
1162 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1163 | "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); | |
1164 | ||
240d2799 | 1165 | cfg80211_michael_mic_failure(vif->ndev, vif->bssid, |
bdcd8170 KV |
1166 | (ismcast ? NL80211_KEYTYPE_GROUP : |
1167 | NL80211_KEYTYPE_PAIRWISE), keyid, NULL, | |
1168 | GFP_KERNEL); | |
1169 | } | |
1170 | ||
1171 | static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
1172 | { | |
1173 | struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); | |
990bd915 | 1174 | struct ath6kl_vif *vif; |
bdcd8170 KV |
1175 | int ret; |
1176 | ||
1177 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, | |
1178 | changed); | |
1179 | ||
990bd915 VT |
1180 | vif = ath6kl_vif_first(ar); |
1181 | if (!vif) | |
1182 | return -EIO; | |
1183 | ||
1184 | if (!ath6kl_cfg80211_ready(vif)) | |
bdcd8170 KV |
1185 | return -EIO; |
1186 | ||
1187 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
1188 | ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); | |
1189 | if (ret != 0) { | |
1190 | ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); | |
1191 | return -EIO; | |
1192 | } | |
1193 | } | |
1194 | ||
1195 | return 0; | |
1196 | } | |
1197 | ||
1198 | /* | |
1199 | * The type nl80211_tx_power_setting replaces the following | |
1200 | * data type from 2.6.36 onwards | |
1201 | */ | |
1202 | static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, | |
1203 | enum nl80211_tx_power_setting type, | |
b992a285 | 1204 | int mbm) |
bdcd8170 KV |
1205 | { |
1206 | struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); | |
990bd915 | 1207 | struct ath6kl_vif *vif; |
bdcd8170 | 1208 | u8 ath6kl_dbm; |
b992a285 | 1209 | int dbm = MBM_TO_DBM(mbm); |
bdcd8170 KV |
1210 | |
1211 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, | |
1212 | type, dbm); | |
1213 | ||
990bd915 VT |
1214 | vif = ath6kl_vif_first(ar); |
1215 | if (!vif) | |
1216 | return -EIO; | |
1217 | ||
1218 | if (!ath6kl_cfg80211_ready(vif)) | |
bdcd8170 KV |
1219 | return -EIO; |
1220 | ||
1221 | switch (type) { | |
1222 | case NL80211_TX_POWER_AUTOMATIC: | |
1223 | return 0; | |
1224 | case NL80211_TX_POWER_LIMITED: | |
1225 | ar->tx_pwr = ath6kl_dbm = dbm; | |
1226 | break; | |
1227 | default: | |
1228 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", | |
1229 | __func__, type); | |
1230 | return -EOPNOTSUPP; | |
1231 | } | |
1232 | ||
990bd915 | 1233 | ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, ath6kl_dbm); |
bdcd8170 KV |
1234 | |
1235 | return 0; | |
1236 | } | |
1237 | ||
1238 | static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm) | |
1239 | { | |
1240 | struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); | |
990bd915 VT |
1241 | struct ath6kl_vif *vif; |
1242 | ||
1243 | vif = ath6kl_vif_first(ar); | |
1244 | if (!vif) | |
1245 | return -EIO; | |
bdcd8170 | 1246 | |
990bd915 | 1247 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1248 | return -EIO; |
1249 | ||
59c98449 | 1250 | if (test_bit(CONNECTED, &vif->flags)) { |
bdcd8170 KV |
1251 | ar->tx_pwr = 0; |
1252 | ||
990bd915 | 1253 | if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { |
bdcd8170 KV |
1254 | ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); |
1255 | return -EIO; | |
1256 | } | |
1257 | ||
1258 | wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, | |
1259 | 5 * HZ); | |
1260 | ||
1261 | if (signal_pending(current)) { | |
1262 | ath6kl_err("target did not respond\n"); | |
1263 | return -EINTR; | |
1264 | } | |
1265 | } | |
1266 | ||
1267 | *dbm = ar->tx_pwr; | |
1268 | return 0; | |
1269 | } | |
1270 | ||
1271 | static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, | |
1272 | struct net_device *dev, | |
1273 | bool pmgmt, int timeout) | |
1274 | { | |
1275 | struct ath6kl *ar = ath6kl_priv(dev); | |
1276 | struct wmi_power_mode_cmd mode; | |
334234b5 | 1277 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
1278 | |
1279 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", | |
1280 | __func__, pmgmt, timeout); | |
1281 | ||
990bd915 | 1282 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1283 | return -EIO; |
1284 | ||
1285 | if (pmgmt) { | |
1286 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); | |
1287 | mode.pwr_mode = REC_POWER; | |
1288 | } else { | |
1289 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); | |
1290 | mode.pwr_mode = MAX_PERF_POWER; | |
1291 | } | |
1292 | ||
334234b5 VT |
1293 | if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, |
1294 | mode.pwr_mode) != 0) { | |
bdcd8170 KV |
1295 | ath6kl_err("wmi_powermode_cmd failed\n"); |
1296 | return -EIO; | |
1297 | } | |
1298 | ||
1299 | return 0; | |
1300 | } | |
1301 | ||
55055976 VT |
1302 | static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, |
1303 | char *name, | |
1304 | enum nl80211_iftype type, | |
1305 | u32 *flags, | |
1306 | struct vif_params *params) | |
1307 | { | |
1308 | struct ath6kl *ar = wiphy_priv(wiphy); | |
1309 | struct net_device *ndev; | |
1310 | u8 if_idx, nw_type; | |
1311 | ||
71f96ee6 | 1312 | if (ar->num_vif == ar->vif_max) { |
55055976 VT |
1313 | ath6kl_err("Reached maximum number of supported vif\n"); |
1314 | return ERR_PTR(-EINVAL); | |
1315 | } | |
1316 | ||
1317 | if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { | |
1318 | ath6kl_err("Not a supported interface type\n"); | |
1319 | return ERR_PTR(-EINVAL); | |
1320 | } | |
1321 | ||
1322 | ndev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); | |
1323 | if (!ndev) | |
1324 | return ERR_PTR(-ENOMEM); | |
1325 | ||
1326 | ar->num_vif++; | |
1327 | ||
1328 | return ndev; | |
1329 | } | |
1330 | ||
1331 | static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, | |
1332 | struct net_device *ndev) | |
1333 | { | |
1334 | struct ath6kl *ar = wiphy_priv(wiphy); | |
1335 | struct ath6kl_vif *vif = netdev_priv(ndev); | |
1336 | ||
11f6e40d | 1337 | spin_lock_bh(&ar->list_lock); |
55055976 | 1338 | list_del(&vif->list); |
11f6e40d | 1339 | spin_unlock_bh(&ar->list_lock); |
55055976 VT |
1340 | |
1341 | ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); | |
1342 | ||
1343 | ath6kl_deinit_if_data(vif); | |
1344 | ||
1345 | return 0; | |
1346 | } | |
1347 | ||
bdcd8170 KV |
1348 | static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, |
1349 | struct net_device *ndev, | |
1350 | enum nl80211_iftype type, u32 *flags, | |
1351 | struct vif_params *params) | |
1352 | { | |
f5938f24 | 1353 | struct ath6kl_vif *vif = netdev_priv(ndev); |
bdcd8170 KV |
1354 | |
1355 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); | |
1356 | ||
bdcd8170 KV |
1357 | switch (type) { |
1358 | case NL80211_IFTYPE_STATION: | |
f5938f24 | 1359 | vif->next_mode = INFRA_NETWORK; |
bdcd8170 KV |
1360 | break; |
1361 | case NL80211_IFTYPE_ADHOC: | |
f5938f24 | 1362 | vif->next_mode = ADHOC_NETWORK; |
bdcd8170 | 1363 | break; |
6e4604c8 | 1364 | case NL80211_IFTYPE_AP: |
f5938f24 | 1365 | vif->next_mode = AP_NETWORK; |
6e4604c8 | 1366 | break; |
6b5e5d25 | 1367 | case NL80211_IFTYPE_P2P_CLIENT: |
f5938f24 | 1368 | vif->next_mode = INFRA_NETWORK; |
6b5e5d25 JM |
1369 | break; |
1370 | case NL80211_IFTYPE_P2P_GO: | |
f5938f24 | 1371 | vif->next_mode = AP_NETWORK; |
6b5e5d25 | 1372 | break; |
bdcd8170 KV |
1373 | default: |
1374 | ath6kl_err("invalid interface type %u\n", type); | |
1375 | return -EOPNOTSUPP; | |
1376 | } | |
1377 | ||
551959d8 | 1378 | vif->wdev.iftype = type; |
bdcd8170 KV |
1379 | |
1380 | return 0; | |
1381 | } | |
1382 | ||
1383 | static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, | |
1384 | struct net_device *dev, | |
1385 | struct cfg80211_ibss_params *ibss_param) | |
1386 | { | |
1387 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 1388 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
1389 | int status; |
1390 | ||
990bd915 | 1391 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1392 | return -EIO; |
1393 | ||
3450334f VT |
1394 | vif->ssid_len = ibss_param->ssid_len; |
1395 | memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); | |
bdcd8170 KV |
1396 | |
1397 | if (ibss_param->channel) | |
f74bac54 | 1398 | vif->ch_hint = ibss_param->channel->center_freq; |
bdcd8170 KV |
1399 | |
1400 | if (ibss_param->channel_fixed) { | |
1401 | /* | |
1402 | * TODO: channel_fixed: The channel should be fixed, do not | |
1403 | * search for IBSSs to join on other channels. Target | |
1404 | * firmware does not support this feature, needs to be | |
1405 | * updated. | |
1406 | */ | |
1407 | return -EOPNOTSUPP; | |
1408 | } | |
1409 | ||
8c8b65e3 | 1410 | memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
bdcd8170 | 1411 | if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) |
8c8b65e3 VT |
1412 | memcpy(vif->req_bssid, ibss_param->bssid, |
1413 | sizeof(vif->req_bssid)); | |
bdcd8170 | 1414 | |
240d2799 | 1415 | ath6kl_set_wpa_version(vif, 0); |
bdcd8170 | 1416 | |
240d2799 | 1417 | status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); |
bdcd8170 KV |
1418 | if (status) |
1419 | return status; | |
1420 | ||
1421 | if (ibss_param->privacy) { | |
240d2799 VT |
1422 | ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); |
1423 | ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); | |
bdcd8170 | 1424 | } else { |
240d2799 VT |
1425 | ath6kl_set_cipher(vif, 0, true); |
1426 | ath6kl_set_cipher(vif, 0, false); | |
bdcd8170 KV |
1427 | } |
1428 | ||
f5938f24 | 1429 | vif->nw_type = vif->next_mode; |
bdcd8170 KV |
1430 | |
1431 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, | |
1432 | "%s: connect called with authmode %d dot11 auth %d" | |
1433 | " PW crypto %d PW crypto len %d GRP crypto %d" | |
1434 | " GRP crypto len %d channel hint %u\n", | |
1435 | __func__, | |
3450334f VT |
1436 | vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, |
1437 | vif->prwise_crypto_len, vif->grp_crypto, | |
f74bac54 | 1438 | vif->grp_crypto_len, vif->ch_hint); |
bdcd8170 | 1439 | |
334234b5 | 1440 | status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, |
3450334f VT |
1441 | vif->dot11_auth_mode, vif->auth_mode, |
1442 | vif->prwise_crypto, | |
1443 | vif->prwise_crypto_len, | |
1444 | vif->grp_crypto, vif->grp_crypto_len, | |
1445 | vif->ssid_len, vif->ssid, | |
f74bac54 | 1446 | vif->req_bssid, vif->ch_hint, |
bdcd8170 | 1447 | ar->connect_ctrl_flags); |
59c98449 | 1448 | set_bit(CONNECT_PEND, &vif->flags); |
bdcd8170 KV |
1449 | |
1450 | return 0; | |
1451 | } | |
1452 | ||
1453 | static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, | |
1454 | struct net_device *dev) | |
1455 | { | |
3450334f | 1456 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 | 1457 | |
990bd915 | 1458 | if (!ath6kl_cfg80211_ready(vif)) |
bdcd8170 KV |
1459 | return -EIO; |
1460 | ||
240d2799 | 1461 | ath6kl_disconnect(vif); |
3450334f VT |
1462 | memset(vif->ssid, 0, sizeof(vif->ssid)); |
1463 | vif->ssid_len = 0; | |
bdcd8170 KV |
1464 | |
1465 | return 0; | |
1466 | } | |
1467 | ||
1468 | static const u32 cipher_suites[] = { | |
1469 | WLAN_CIPHER_SUITE_WEP40, | |
1470 | WLAN_CIPHER_SUITE_WEP104, | |
1471 | WLAN_CIPHER_SUITE_TKIP, | |
1472 | WLAN_CIPHER_SUITE_CCMP, | |
837cb97e | 1473 | CCKM_KRK_CIPHER_SUITE, |
5e07021e | 1474 | WLAN_CIPHER_SUITE_SMS4, |
bdcd8170 KV |
1475 | }; |
1476 | ||
1477 | static bool is_rate_legacy(s32 rate) | |
1478 | { | |
1479 | static const s32 legacy[] = { 1000, 2000, 5500, 11000, | |
1480 | 6000, 9000, 12000, 18000, 24000, | |
1481 | 36000, 48000, 54000 | |
1482 | }; | |
1483 | u8 i; | |
1484 | ||
1485 | for (i = 0; i < ARRAY_SIZE(legacy); i++) | |
1486 | if (rate == legacy[i]) | |
1487 | return true; | |
1488 | ||
1489 | return false; | |
1490 | } | |
1491 | ||
1492 | static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) | |
1493 | { | |
1494 | static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, | |
1495 | 52000, 58500, 65000, 72200 | |
1496 | }; | |
1497 | u8 i; | |
1498 | ||
1499 | for (i = 0; i < ARRAY_SIZE(ht20); i++) { | |
1500 | if (rate == ht20[i]) { | |
1501 | if (i == ARRAY_SIZE(ht20) - 1) | |
1502 | /* last rate uses sgi */ | |
1503 | *sgi = true; | |
1504 | else | |
1505 | *sgi = false; | |
1506 | ||
1507 | *mcs = i; | |
1508 | return true; | |
1509 | } | |
1510 | } | |
1511 | return false; | |
1512 | } | |
1513 | ||
1514 | static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) | |
1515 | { | |
1516 | static const s32 ht40[] = { 13500, 27000, 40500, 54000, | |
1517 | 81000, 108000, 121500, 135000, | |
1518 | 150000 | |
1519 | }; | |
1520 | u8 i; | |
1521 | ||
1522 | for (i = 0; i < ARRAY_SIZE(ht40); i++) { | |
1523 | if (rate == ht40[i]) { | |
1524 | if (i == ARRAY_SIZE(ht40) - 1) | |
1525 | /* last rate uses sgi */ | |
1526 | *sgi = true; | |
1527 | else | |
1528 | *sgi = false; | |
1529 | ||
1530 | *mcs = i; | |
1531 | return true; | |
1532 | } | |
1533 | } | |
1534 | ||
1535 | return false; | |
1536 | } | |
1537 | ||
1538 | static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, | |
1539 | u8 *mac, struct station_info *sinfo) | |
1540 | { | |
1541 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 1542 | struct ath6kl_vif *vif = netdev_priv(dev); |
bdcd8170 KV |
1543 | long left; |
1544 | bool sgi; | |
1545 | s32 rate; | |
1546 | int ret; | |
1547 | u8 mcs; | |
1548 | ||
8c8b65e3 | 1549 | if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) |
bdcd8170 KV |
1550 | return -ENOENT; |
1551 | ||
1552 | if (down_interruptible(&ar->sem)) | |
1553 | return -EBUSY; | |
1554 | ||
b95907a7 | 1555 | set_bit(STATS_UPDATE_PEND, &vif->flags); |
bdcd8170 | 1556 | |
334234b5 | 1557 | ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); |
bdcd8170 KV |
1558 | |
1559 | if (ret != 0) { | |
1560 | up(&ar->sem); | |
1561 | return -EIO; | |
1562 | } | |
1563 | ||
1564 | left = wait_event_interruptible_timeout(ar->event_wq, | |
1565 | !test_bit(STATS_UPDATE_PEND, | |
b95907a7 | 1566 | &vif->flags), |
bdcd8170 KV |
1567 | WMI_TIMEOUT); |
1568 | ||
1569 | up(&ar->sem); | |
1570 | ||
1571 | if (left == 0) | |
1572 | return -ETIMEDOUT; | |
1573 | else if (left < 0) | |
1574 | return left; | |
1575 | ||
b95907a7 VT |
1576 | if (vif->target_stats.rx_byte) { |
1577 | sinfo->rx_bytes = vif->target_stats.rx_byte; | |
bdcd8170 | 1578 | sinfo->filled |= STATION_INFO_RX_BYTES; |
b95907a7 | 1579 | sinfo->rx_packets = vif->target_stats.rx_pkt; |
bdcd8170 KV |
1580 | sinfo->filled |= STATION_INFO_RX_PACKETS; |
1581 | } | |
1582 | ||
b95907a7 VT |
1583 | if (vif->target_stats.tx_byte) { |
1584 | sinfo->tx_bytes = vif->target_stats.tx_byte; | |
bdcd8170 | 1585 | sinfo->filled |= STATION_INFO_TX_BYTES; |
b95907a7 | 1586 | sinfo->tx_packets = vif->target_stats.tx_pkt; |
bdcd8170 KV |
1587 | sinfo->filled |= STATION_INFO_TX_PACKETS; |
1588 | } | |
1589 | ||
b95907a7 | 1590 | sinfo->signal = vif->target_stats.cs_rssi; |
bdcd8170 KV |
1591 | sinfo->filled |= STATION_INFO_SIGNAL; |
1592 | ||
b95907a7 | 1593 | rate = vif->target_stats.tx_ucast_rate; |
bdcd8170 KV |
1594 | |
1595 | if (is_rate_legacy(rate)) { | |
1596 | sinfo->txrate.legacy = rate / 100; | |
1597 | } else if (is_rate_ht20(rate, &mcs, &sgi)) { | |
1598 | if (sgi) { | |
1599 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
1600 | sinfo->txrate.mcs = mcs - 1; | |
1601 | } else { | |
1602 | sinfo->txrate.mcs = mcs; | |
1603 | } | |
1604 | ||
1605 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
1606 | } else if (is_rate_ht40(rate, &mcs, &sgi)) { | |
1607 | if (sgi) { | |
1608 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
1609 | sinfo->txrate.mcs = mcs - 1; | |
1610 | } else { | |
1611 | sinfo->txrate.mcs = mcs; | |
1612 | } | |
1613 | ||
1614 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
1615 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
1616 | } else { | |
9a730834 KV |
1617 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, |
1618 | "invalid rate from stats: %d\n", rate); | |
1619 | ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); | |
bdcd8170 KV |
1620 | return 0; |
1621 | } | |
1622 | ||
1623 | sinfo->filled |= STATION_INFO_TX_BITRATE; | |
1624 | ||
59c98449 VT |
1625 | if (test_bit(CONNECTED, &vif->flags) && |
1626 | test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && | |
f5938f24 | 1627 | vif->nw_type == INFRA_NETWORK) { |
32c10874 JM |
1628 | sinfo->filled |= STATION_INFO_BSS_PARAM; |
1629 | sinfo->bss_param.flags = 0; | |
cf5333d7 VT |
1630 | sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; |
1631 | sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; | |
32c10874 JM |
1632 | } |
1633 | ||
bdcd8170 KV |
1634 | return 0; |
1635 | } | |
1636 | ||
1637 | static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
1638 | struct cfg80211_pmksa *pmksa) | |
1639 | { | |
1640 | struct ath6kl *ar = ath6kl_priv(netdev); | |
334234b5 VT |
1641 | struct ath6kl_vif *vif = netdev_priv(netdev); |
1642 | ||
1643 | return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, | |
bdcd8170 KV |
1644 | pmksa->pmkid, true); |
1645 | } | |
1646 | ||
1647 | static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, | |
1648 | struct cfg80211_pmksa *pmksa) | |
1649 | { | |
1650 | struct ath6kl *ar = ath6kl_priv(netdev); | |
334234b5 VT |
1651 | struct ath6kl_vif *vif = netdev_priv(netdev); |
1652 | ||
1653 | return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, | |
bdcd8170 KV |
1654 | pmksa->pmkid, false); |
1655 | } | |
1656 | ||
1657 | static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) | |
1658 | { | |
1659 | struct ath6kl *ar = ath6kl_priv(netdev); | |
59c98449 VT |
1660 | struct ath6kl_vif *vif = netdev_priv(netdev); |
1661 | ||
1662 | if (test_bit(CONNECTED, &vif->flags)) | |
334234b5 VT |
1663 | return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, |
1664 | vif->bssid, NULL, false); | |
bdcd8170 KV |
1665 | return 0; |
1666 | } | |
1667 | ||
6cb3c714 RM |
1668 | static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) |
1669 | { | |
1670 | struct ath6kl_vif *vif; | |
1671 | int ret, pos, left; | |
1672 | u32 filter = 0; | |
1673 | u16 i; | |
1674 | u8 mask[WOW_MASK_SIZE]; | |
1675 | ||
1676 | vif = ath6kl_vif_first(ar); | |
1677 | if (!vif) | |
1678 | return -EIO; | |
1679 | ||
1680 | if (!ath6kl_cfg80211_ready(vif)) | |
1681 | return -EIO; | |
1682 | ||
1683 | if (!test_bit(CONNECTED, &vif->flags)) | |
1684 | return -EINVAL; | |
1685 | ||
1686 | /* Clear existing WOW patterns */ | |
1687 | for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) | |
1688 | ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, | |
1689 | WOW_LIST_ID, i); | |
1690 | /* Configure new WOW patterns */ | |
1691 | for (i = 0; i < wow->n_patterns; i++) { | |
1692 | ||
1693 | /* | |
1694 | * Convert given nl80211 specific mask value to equivalent | |
1695 | * driver specific mask value and send it to the chip along | |
1696 | * with patterns. For example, If the mask value defined in | |
1697 | * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), | |
1698 | * then equivalent driver specific mask value is | |
1699 | * "0xFF 0x00 0xFF 0x00". | |
1700 | */ | |
1701 | memset(&mask, 0, sizeof(mask)); | |
1702 | for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { | |
1703 | if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) | |
1704 | mask[pos] = 0xFF; | |
1705 | } | |
1706 | /* | |
1707 | * Note: Pattern's offset is not passed as part of wowlan | |
1708 | * parameter from CFG layer. So it's always passed as ZERO | |
1709 | * to the firmware. It means, given WOW patterns are always | |
1710 | * matched from the first byte of received pkt in the firmware. | |
1711 | */ | |
1712 | ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, | |
1713 | vif->fw_vif_idx, WOW_LIST_ID, | |
1714 | wow->patterns[i].pattern_len, | |
1715 | 0 /* pattern offset */, | |
1716 | wow->patterns[i].pattern, mask); | |
1717 | if (ret) | |
1718 | return ret; | |
1719 | } | |
1720 | ||
1721 | if (wow->disconnect) | |
1722 | filter |= WOW_FILTER_OPTION_NWK_DISASSOC; | |
1723 | ||
1724 | if (wow->magic_pkt) | |
1725 | filter |= WOW_FILTER_OPTION_MAGIC_PACKET; | |
1726 | ||
1727 | if (wow->gtk_rekey_failure) | |
1728 | filter |= WOW_FILTER_OPTION_GTK_ERROR; | |
1729 | ||
1730 | if (wow->eap_identity_req) | |
1731 | filter |= WOW_FILTER_OPTION_EAP_REQ; | |
1732 | ||
1733 | if (wow->four_way_handshake) | |
1734 | filter |= WOW_FILTER_OPTION_8021X_4WAYHS; | |
1735 | ||
1736 | ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
1737 | ATH6KL_WOW_MODE_ENABLE, | |
1738 | filter, | |
1739 | WOW_HOST_REQ_DELAY); | |
1740 | if (ret) | |
1741 | return ret; | |
1742 | ||
1743 | ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
1744 | ATH6KL_HOST_MODE_ASLEEP); | |
1745 | if (ret) | |
1746 | return ret; | |
1747 | ||
1748 | if (ar->tx_pending[ar->ctrl_ep]) { | |
1749 | left = wait_event_interruptible_timeout(ar->event_wq, | |
1750 | ar->tx_pending[ar->ctrl_ep] == 0, WMI_TIMEOUT); | |
1751 | if (left == 0) { | |
1752 | ath6kl_warn("clear wmi ctrl data timeout\n"); | |
1753 | ret = -ETIMEDOUT; | |
1754 | } else if (left < 0) { | |
1755 | ath6kl_warn("clear wmi ctrl data failed: %d\n", left); | |
1756 | ret = left; | |
1757 | } | |
1758 | } | |
1759 | ||
1760 | return ret; | |
1761 | } | |
1762 | ||
1763 | static int ath6kl_wow_resume(struct ath6kl *ar) | |
1764 | { | |
1765 | struct ath6kl_vif *vif; | |
1766 | int ret; | |
1767 | ||
1768 | vif = ath6kl_vif_first(ar); | |
1769 | if (!vif) | |
1770 | return -EIO; | |
1771 | ||
1772 | ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, | |
1773 | ATH6KL_HOST_MODE_AWAKE); | |
1774 | return ret; | |
1775 | } | |
1776 | ||
52d81a68 | 1777 | int ath6kl_cfg80211_suspend(struct ath6kl *ar, |
0f60e9f4 RM |
1778 | enum ath6kl_cfg_suspend_mode mode, |
1779 | struct cfg80211_wowlan *wow) | |
52d81a68 KV |
1780 | { |
1781 | int ret; | |
1782 | ||
52d81a68 | 1783 | switch (mode) { |
d7c44e0b RM |
1784 | case ATH6KL_CFG_SUSPEND_WOW: |
1785 | ||
1786 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); | |
1787 | ||
1788 | /* Flush all non control pkts in TX path */ | |
1789 | ath6kl_tx_data_cleanup(ar); | |
1790 | ||
1791 | ret = ath6kl_wow_suspend(ar, wow); | |
1792 | if (ret) { | |
1793 | ath6kl_err("wow suspend failed: %d\n", ret); | |
1794 | return ret; | |
1795 | } | |
1796 | ar->state = ATH6KL_STATE_WOW; | |
1797 | break; | |
1798 | ||
52d81a68 | 1799 | case ATH6KL_CFG_SUSPEND_DEEPSLEEP: |
524441e3 RM |
1800 | |
1801 | ath6kl_cfg80211_stop(ar); | |
1802 | ||
52d81a68 KV |
1803 | /* save the current power mode before enabling power save */ |
1804 | ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; | |
1805 | ||
1806 | ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); | |
1807 | if (ret) { | |
1808 | ath6kl_warn("wmi powermode command failed during suspend: %d\n", | |
1809 | ret); | |
1810 | } | |
1811 | ||
76a9fbe2 KV |
1812 | ar->state = ATH6KL_STATE_DEEPSLEEP; |
1813 | ||
52d81a68 | 1814 | break; |
b4b2a0b1 KV |
1815 | |
1816 | case ATH6KL_CFG_SUSPEND_CUTPOWER: | |
524441e3 RM |
1817 | |
1818 | ath6kl_cfg80211_stop(ar); | |
1819 | ||
b4b2a0b1 KV |
1820 | if (ar->state == ATH6KL_STATE_OFF) { |
1821 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, | |
1822 | "suspend hw off, no action for cutpower\n"); | |
1823 | break; | |
1824 | } | |
1825 | ||
1826 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); | |
1827 | ||
1828 | ret = ath6kl_init_hw_stop(ar); | |
1829 | if (ret) { | |
1830 | ath6kl_warn("failed to stop hw during suspend: %d\n", | |
1831 | ret); | |
1832 | } | |
1833 | ||
1834 | ar->state = ATH6KL_STATE_CUTPOWER; | |
1835 | ||
1836 | break; | |
1837 | ||
1838 | default: | |
1839 | break; | |
52d81a68 KV |
1840 | } |
1841 | ||
1842 | return 0; | |
1843 | } | |
1844 | ||
1845 | int ath6kl_cfg80211_resume(struct ath6kl *ar) | |
1846 | { | |
76a9fbe2 KV |
1847 | int ret; |
1848 | ||
1849 | switch (ar->state) { | |
d7c44e0b RM |
1850 | case ATH6KL_STATE_WOW: |
1851 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); | |
1852 | ||
1853 | ret = ath6kl_wow_resume(ar); | |
1854 | if (ret) { | |
1855 | ath6kl_warn("wow mode resume failed: %d\n", ret); | |
1856 | return ret; | |
1857 | } | |
1858 | ||
1859 | ar->state = ATH6KL_STATE_ON; | |
1860 | break; | |
1861 | ||
76a9fbe2 KV |
1862 | case ATH6KL_STATE_DEEPSLEEP: |
1863 | if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { | |
1864 | ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, | |
1865 | ar->wmi->saved_pwr_mode); | |
1866 | if (ret) { | |
1867 | ath6kl_warn("wmi powermode command failed during resume: %d\n", | |
1868 | ret); | |
1869 | } | |
1870 | } | |
1871 | ||
1872 | ar->state = ATH6KL_STATE_ON; | |
1873 | ||
1874 | break; | |
1875 | ||
b4b2a0b1 KV |
1876 | case ATH6KL_STATE_CUTPOWER: |
1877 | ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); | |
1878 | ||
1879 | ret = ath6kl_init_hw_start(ar); | |
1880 | if (ret) { | |
1881 | ath6kl_warn("Failed to boot hw in resume: %d\n", ret); | |
1882 | return ret; | |
1883 | } | |
d7c44e0b | 1884 | break; |
b4b2a0b1 | 1885 | |
76a9fbe2 KV |
1886 | default: |
1887 | break; | |
52d81a68 KV |
1888 | } |
1889 | ||
1890 | return 0; | |
1891 | } | |
1892 | ||
abcb344b | 1893 | #ifdef CONFIG_PM |
52d81a68 KV |
1894 | |
1895 | /* hif layer decides what suspend mode to use */ | |
1896 | static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, | |
abcb344b KV |
1897 | struct cfg80211_wowlan *wow) |
1898 | { | |
1899 | struct ath6kl *ar = wiphy_priv(wiphy); | |
1900 | ||
0f60e9f4 | 1901 | return ath6kl_hif_suspend(ar, wow); |
abcb344b | 1902 | } |
aa6cffc1 | 1903 | |
52d81a68 | 1904 | static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) |
aa6cffc1 CN |
1905 | { |
1906 | struct ath6kl *ar = wiphy_priv(wiphy); | |
1907 | ||
1908 | return ath6kl_hif_resume(ar); | |
1909 | } | |
a918fb3c RM |
1910 | |
1911 | /* | |
1912 | * FIXME: WOW suspend mode is selected if the host sdio controller supports | |
1913 | * both sdio irq wake up and keep power. The target pulls sdio data line to | |
1914 | * wake up the host when WOW pattern matches. This causes sdio irq handler | |
1915 | * is being called in the host side which internally hits ath6kl's RX path. | |
1916 | * | |
1917 | * Since sdio interrupt is not disabled, RX path executes even before | |
1918 | * the host executes the actual resume operation from PM module. | |
1919 | * | |
1920 | * In the current scenario, WOW resume should happen before start processing | |
1921 | * any data from the target. So It's required to perform WOW resume in RX path. | |
1922 | * Ideally we should perform WOW resume only in the actual platform | |
1923 | * resume path. This area needs bit rework to avoid WOW resume in RX path. | |
1924 | * | |
1925 | * ath6kl_check_wow_status() is called from ath6kl_rx(). | |
1926 | */ | |
1927 | void ath6kl_check_wow_status(struct ath6kl *ar) | |
1928 | { | |
1929 | if (ar->state == ATH6KL_STATE_WOW) | |
1930 | ath6kl_cfg80211_resume(ar); | |
1931 | } | |
1932 | ||
1933 | #else | |
1934 | ||
1935 | void ath6kl_check_wow_status(struct ath6kl *ar) | |
1936 | { | |
1937 | } | |
abcb344b KV |
1938 | #endif |
1939 | ||
6a7c9bad JM |
1940 | static int ath6kl_set_channel(struct wiphy *wiphy, struct net_device *dev, |
1941 | struct ieee80211_channel *chan, | |
1942 | enum nl80211_channel_type channel_type) | |
1943 | { | |
cf5333d7 | 1944 | struct ath6kl_vif *vif = netdev_priv(dev); |
6a7c9bad | 1945 | |
990bd915 | 1946 | if (!ath6kl_cfg80211_ready(vif)) |
6a7c9bad JM |
1947 | return -EIO; |
1948 | ||
1949 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: center_freq=%u hw_value=%u\n", | |
1950 | __func__, chan->center_freq, chan->hw_value); | |
cf5333d7 | 1951 | vif->next_chan = chan->center_freq; |
6a7c9bad JM |
1952 | |
1953 | return 0; | |
1954 | } | |
1955 | ||
8bdfbf40 JM |
1956 | static bool ath6kl_is_p2p_ie(const u8 *pos) |
1957 | { | |
1958 | return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && | |
1959 | pos[2] == 0x50 && pos[3] == 0x6f && | |
1960 | pos[4] == 0x9a && pos[5] == 0x09; | |
1961 | } | |
1962 | ||
334234b5 VT |
1963 | static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, |
1964 | const u8 *ies, size_t ies_len) | |
8bdfbf40 | 1965 | { |
334234b5 | 1966 | struct ath6kl *ar = vif->ar; |
8bdfbf40 JM |
1967 | const u8 *pos; |
1968 | u8 *buf = NULL; | |
1969 | size_t len = 0; | |
1970 | int ret; | |
1971 | ||
1972 | /* | |
1973 | * Filter out P2P IE(s) since they will be included depending on | |
1974 | * the Probe Request frame in ath6kl_send_go_probe_resp(). | |
1975 | */ | |
1976 | ||
1977 | if (ies && ies_len) { | |
1978 | buf = kmalloc(ies_len, GFP_KERNEL); | |
1979 | if (buf == NULL) | |
1980 | return -ENOMEM; | |
1981 | pos = ies; | |
1982 | while (pos + 1 < ies + ies_len) { | |
1983 | if (pos + 2 + pos[1] > ies + ies_len) | |
1984 | break; | |
1985 | if (!ath6kl_is_p2p_ie(pos)) { | |
1986 | memcpy(buf + len, pos, 2 + pos[1]); | |
1987 | len += 2 + pos[1]; | |
1988 | } | |
1989 | pos += 2 + pos[1]; | |
1990 | } | |
1991 | } | |
1992 | ||
334234b5 VT |
1993 | ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
1994 | WMI_FRAME_PROBE_RESP, buf, len); | |
8bdfbf40 JM |
1995 | kfree(buf); |
1996 | return ret; | |
1997 | } | |
1998 | ||
6a7c9bad JM |
1999 | static int ath6kl_ap_beacon(struct wiphy *wiphy, struct net_device *dev, |
2000 | struct beacon_parameters *info, bool add) | |
2001 | { | |
2002 | struct ath6kl *ar = ath6kl_priv(dev); | |
3450334f | 2003 | struct ath6kl_vif *vif = netdev_priv(dev); |
6a7c9bad JM |
2004 | struct ieee80211_mgmt *mgmt; |
2005 | u8 *ies; | |
2006 | int ies_len; | |
2007 | struct wmi_connect_cmd p; | |
2008 | int res; | |
be5abaaf | 2009 | int i, ret; |
6a7c9bad JM |
2010 | |
2011 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: add=%d\n", __func__, add); | |
2012 | ||
990bd915 | 2013 | if (!ath6kl_cfg80211_ready(vif)) |
6a7c9bad JM |
2014 | return -EIO; |
2015 | ||
f5938f24 | 2016 | if (vif->next_mode != AP_NETWORK) |
6a7c9bad JM |
2017 | return -EOPNOTSUPP; |
2018 | ||
2019 | if (info->beacon_ies) { | |
334234b5 VT |
2020 | res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
2021 | WMI_FRAME_BEACON, | |
6a7c9bad JM |
2022 | info->beacon_ies, |
2023 | info->beacon_ies_len); | |
2024 | if (res) | |
2025 | return res; | |
2026 | } | |
2027 | if (info->proberesp_ies) { | |
334234b5 | 2028 | res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, |
8bdfbf40 | 2029 | info->proberesp_ies_len); |
6a7c9bad JM |
2030 | if (res) |
2031 | return res; | |
2032 | } | |
2033 | if (info->assocresp_ies) { | |
334234b5 VT |
2034 | res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, |
2035 | WMI_FRAME_ASSOC_RESP, | |
6a7c9bad JM |
2036 | info->assocresp_ies, |
2037 | info->assocresp_ies_len); | |
2038 | if (res) | |
2039 | return res; | |
2040 | } | |
2041 | ||
2042 | if (!add) | |
2043 | return 0; | |
2044 | ||
9a5b1318 JM |
2045 | ar->ap_mode_bkey.valid = false; |
2046 | ||
6a7c9bad JM |
2047 | /* TODO: |
2048 | * info->interval | |
2049 | * info->dtim_period | |
2050 | */ | |
2051 | ||
2052 | if (info->head == NULL) | |
2053 | return -EINVAL; | |
2054 | mgmt = (struct ieee80211_mgmt *) info->head; | |
2055 | ies = mgmt->u.beacon.variable; | |
2056 | if (ies > info->head + info->head_len) | |
2057 | return -EINVAL; | |
2058 | ies_len = info->head + info->head_len - ies; | |
2059 | ||
2060 | if (info->ssid == NULL) | |
2061 | return -EINVAL; | |
3450334f VT |
2062 | memcpy(vif->ssid, info->ssid, info->ssid_len); |
2063 | vif->ssid_len = info->ssid_len; | |
6a7c9bad JM |
2064 | if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) |
2065 | return -EOPNOTSUPP; /* TODO */ | |
2066 | ||
be5abaaf VT |
2067 | ret = ath6kl_set_auth_type(vif, info->auth_type); |
2068 | if (ret) | |
2069 | return ret; | |
6a7c9bad JM |
2070 | |
2071 | memset(&p, 0, sizeof(p)); | |
2072 | ||
2073 | for (i = 0; i < info->crypto.n_akm_suites; i++) { | |
2074 | switch (info->crypto.akm_suites[i]) { | |
2075 | case WLAN_AKM_SUITE_8021X: | |
2076 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) | |
2077 | p.auth_mode |= WPA_AUTH; | |
2078 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) | |
2079 | p.auth_mode |= WPA2_AUTH; | |
2080 | break; | |
2081 | case WLAN_AKM_SUITE_PSK: | |
2082 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) | |
2083 | p.auth_mode |= WPA_PSK_AUTH; | |
2084 | if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) | |
2085 | p.auth_mode |= WPA2_PSK_AUTH; | |
2086 | break; | |
2087 | } | |
2088 | } | |
2089 | if (p.auth_mode == 0) | |
2090 | p.auth_mode = NONE_AUTH; | |
3450334f | 2091 | vif->auth_mode = p.auth_mode; |
6a7c9bad JM |
2092 | |
2093 | for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { | |
2094 | switch (info->crypto.ciphers_pairwise[i]) { | |
2095 | case WLAN_CIPHER_SUITE_WEP40: | |
2096 | case WLAN_CIPHER_SUITE_WEP104: | |
2097 | p.prwise_crypto_type |= WEP_CRYPT; | |
2098 | break; | |
2099 | case WLAN_CIPHER_SUITE_TKIP: | |
2100 | p.prwise_crypto_type |= TKIP_CRYPT; | |
2101 | break; | |
2102 | case WLAN_CIPHER_SUITE_CCMP: | |
2103 | p.prwise_crypto_type |= AES_CRYPT; | |
2104 | break; | |
b8214df1 DS |
2105 | case WLAN_CIPHER_SUITE_SMS4: |
2106 | p.prwise_crypto_type |= WAPI_CRYPT; | |
2107 | break; | |
6a7c9bad JM |
2108 | } |
2109 | } | |
229ed6b5 | 2110 | if (p.prwise_crypto_type == 0) { |
6a7c9bad | 2111 | p.prwise_crypto_type = NONE_CRYPT; |
240d2799 | 2112 | ath6kl_set_cipher(vif, 0, true); |
229ed6b5 | 2113 | } else if (info->crypto.n_ciphers_pairwise == 1) |
240d2799 | 2114 | ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); |
6a7c9bad JM |
2115 | |
2116 | switch (info->crypto.cipher_group) { | |
2117 | case WLAN_CIPHER_SUITE_WEP40: | |
2118 | case WLAN_CIPHER_SUITE_WEP104: | |
2119 | p.grp_crypto_type = WEP_CRYPT; | |
2120 | break; | |
2121 | case WLAN_CIPHER_SUITE_TKIP: | |
2122 | p.grp_crypto_type = TKIP_CRYPT; | |
2123 | break; | |
2124 | case WLAN_CIPHER_SUITE_CCMP: | |
2125 | p.grp_crypto_type = AES_CRYPT; | |
2126 | break; | |
b8214df1 DS |
2127 | case WLAN_CIPHER_SUITE_SMS4: |
2128 | p.grp_crypto_type = WAPI_CRYPT; | |
2129 | break; | |
6a7c9bad JM |
2130 | default: |
2131 | p.grp_crypto_type = NONE_CRYPT; | |
2132 | break; | |
2133 | } | |
240d2799 | 2134 | ath6kl_set_cipher(vif, info->crypto.cipher_group, false); |
6a7c9bad JM |
2135 | |
2136 | p.nw_type = AP_NETWORK; | |
f5938f24 | 2137 | vif->nw_type = vif->next_mode; |
6a7c9bad | 2138 | |
3450334f VT |
2139 | p.ssid_len = vif->ssid_len; |
2140 | memcpy(p.ssid, vif->ssid, vif->ssid_len); | |
2141 | p.dot11_auth_mode = vif->dot11_auth_mode; | |
cf5333d7 | 2142 | p.ch = cpu_to_le16(vif->next_chan); |
6a7c9bad | 2143 | |
334234b5 | 2144 | res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); |
9a5b1318 JM |
2145 | if (res < 0) |
2146 | return res; | |
2147 | ||
2148 | return 0; | |
6a7c9bad JM |
2149 | } |
2150 | ||
2151 | static int ath6kl_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
2152 | struct beacon_parameters *info) | |
2153 | { | |
2154 | return ath6kl_ap_beacon(wiphy, dev, info, true); | |
2155 | } | |
2156 | ||
2157 | static int ath6kl_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
2158 | struct beacon_parameters *info) | |
2159 | { | |
2160 | return ath6kl_ap_beacon(wiphy, dev, info, false); | |
2161 | } | |
2162 | ||
2163 | static int ath6kl_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
2164 | { | |
2165 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 2166 | struct ath6kl_vif *vif = netdev_priv(dev); |
6a7c9bad | 2167 | |
f5938f24 | 2168 | if (vif->nw_type != AP_NETWORK) |
6a7c9bad | 2169 | return -EOPNOTSUPP; |
59c98449 | 2170 | if (!test_bit(CONNECTED, &vif->flags)) |
6a7c9bad JM |
2171 | return -ENOTCONN; |
2172 | ||
334234b5 | 2173 | ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); |
59c98449 | 2174 | clear_bit(CONNECTED, &vif->flags); |
6a7c9bad JM |
2175 | |
2176 | return 0; | |
2177 | } | |
2178 | ||
23875136 JM |
2179 | static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, |
2180 | u8 *mac, struct station_parameters *params) | |
2181 | { | |
2182 | struct ath6kl *ar = ath6kl_priv(dev); | |
f5938f24 | 2183 | struct ath6kl_vif *vif = netdev_priv(dev); |
23875136 | 2184 | |
f5938f24 | 2185 | if (vif->nw_type != AP_NETWORK) |
23875136 JM |
2186 | return -EOPNOTSUPP; |
2187 | ||
2188 | /* Use this only for authorizing/unauthorizing a station */ | |
2189 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
2190 | return -EOPNOTSUPP; | |
2191 | ||
2192 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
334234b5 VT |
2193 | return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, |
2194 | WMI_AP_MLME_AUTHORIZE, mac, 0); | |
2195 | return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, | |
2196 | WMI_AP_MLME_UNAUTHORIZE, mac, 0); | |
23875136 JM |
2197 | } |
2198 | ||
63fa1e0c JM |
2199 | static int ath6kl_remain_on_channel(struct wiphy *wiphy, |
2200 | struct net_device *dev, | |
2201 | struct ieee80211_channel *chan, | |
2202 | enum nl80211_channel_type channel_type, | |
2203 | unsigned int duration, | |
2204 | u64 *cookie) | |
2205 | { | |
2206 | struct ath6kl *ar = ath6kl_priv(dev); | |
334234b5 | 2207 | struct ath6kl_vif *vif = netdev_priv(dev); |
1052261e | 2208 | u32 id; |
63fa1e0c JM |
2209 | |
2210 | /* TODO: if already pending or ongoing remain-on-channel, | |
2211 | * return -EBUSY */ | |
1052261e JM |
2212 | id = ++vif->last_roc_id; |
2213 | if (id == 0) { | |
2214 | /* Do not use 0 as the cookie value */ | |
2215 | id = ++vif->last_roc_id; | |
2216 | } | |
2217 | *cookie = id; | |
63fa1e0c | 2218 | |
334234b5 VT |
2219 | return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, |
2220 | chan->center_freq, duration); | |
63fa1e0c JM |
2221 | } |
2222 | ||
2223 | static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, | |
2224 | struct net_device *dev, | |
2225 | u64 cookie) | |
2226 | { | |
2227 | struct ath6kl *ar = ath6kl_priv(dev); | |
334234b5 | 2228 | struct ath6kl_vif *vif = netdev_priv(dev); |
63fa1e0c | 2229 | |
1052261e | 2230 | if (cookie != vif->last_roc_id) |
63fa1e0c | 2231 | return -ENOENT; |
1052261e | 2232 | vif->last_cancel_roc_id = cookie; |
63fa1e0c | 2233 | |
334234b5 | 2234 | return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); |
63fa1e0c JM |
2235 | } |
2236 | ||
334234b5 VT |
2237 | static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, |
2238 | const u8 *buf, size_t len, | |
2239 | unsigned int freq) | |
8bdfbf40 | 2240 | { |
334234b5 | 2241 | struct ath6kl *ar = vif->ar; |
8bdfbf40 JM |
2242 | const u8 *pos; |
2243 | u8 *p2p; | |
2244 | int p2p_len; | |
2245 | int ret; | |
2246 | const struct ieee80211_mgmt *mgmt; | |
2247 | ||
2248 | mgmt = (const struct ieee80211_mgmt *) buf; | |
2249 | ||
2250 | /* Include P2P IE(s) from the frame generated in user space. */ | |
2251 | ||
2252 | p2p = kmalloc(len, GFP_KERNEL); | |
2253 | if (p2p == NULL) | |
2254 | return -ENOMEM; | |
2255 | p2p_len = 0; | |
2256 | ||
2257 | pos = mgmt->u.probe_resp.variable; | |
2258 | while (pos + 1 < buf + len) { | |
2259 | if (pos + 2 + pos[1] > buf + len) | |
2260 | break; | |
2261 | if (ath6kl_is_p2p_ie(pos)) { | |
2262 | memcpy(p2p + p2p_len, pos, 2 + pos[1]); | |
2263 | p2p_len += 2 + pos[1]; | |
2264 | } | |
2265 | pos += 2 + pos[1]; | |
2266 | } | |
2267 | ||
334234b5 VT |
2268 | ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, |
2269 | mgmt->da, p2p, p2p_len); | |
8bdfbf40 JM |
2270 | kfree(p2p); |
2271 | return ret; | |
2272 | } | |
2273 | ||
8a6c8060 JM |
2274 | static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, |
2275 | struct ieee80211_channel *chan, bool offchan, | |
2276 | enum nl80211_channel_type channel_type, | |
2277 | bool channel_type_valid, unsigned int wait, | |
e247bd90 JB |
2278 | const u8 *buf, size_t len, bool no_cck, |
2279 | bool dont_wait_for_ack, u64 *cookie) | |
8a6c8060 JM |
2280 | { |
2281 | struct ath6kl *ar = ath6kl_priv(dev); | |
59c98449 | 2282 | struct ath6kl_vif *vif = netdev_priv(dev); |
8a6c8060 | 2283 | u32 id; |
8bdfbf40 JM |
2284 | const struct ieee80211_mgmt *mgmt; |
2285 | ||
2286 | mgmt = (const struct ieee80211_mgmt *) buf; | |
2287 | if (buf + len >= mgmt->u.probe_resp.variable && | |
f5938f24 | 2288 | vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && |
8bdfbf40 JM |
2289 | ieee80211_is_probe_resp(mgmt->frame_control)) { |
2290 | /* | |
2291 | * Send Probe Response frame in AP mode using a separate WMI | |
2292 | * command to allow the target to fill in the generic IEs. | |
2293 | */ | |
2294 | *cookie = 0; /* TX status not supported */ | |
334234b5 | 2295 | return ath6kl_send_go_probe_resp(vif, buf, len, |
8bdfbf40 JM |
2296 | chan->center_freq); |
2297 | } | |
8a6c8060 | 2298 | |
cf5333d7 | 2299 | id = vif->send_action_id++; |
8a6c8060 JM |
2300 | if (id == 0) { |
2301 | /* | |
2302 | * 0 is a reserved value in the WMI command and shall not be | |
2303 | * used for the command. | |
2304 | */ | |
cf5333d7 | 2305 | id = vif->send_action_id++; |
8a6c8060 JM |
2306 | } |
2307 | ||
2308 | *cookie = id; | |
334234b5 VT |
2309 | return ath6kl_wmi_send_action_cmd(ar->wmi, vif->fw_vif_idx, id, |
2310 | chan->center_freq, wait, | |
8a6c8060 JM |
2311 | buf, len); |
2312 | } | |
2313 | ||
ae32c30a JM |
2314 | static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, |
2315 | struct net_device *dev, | |
2316 | u16 frame_type, bool reg) | |
2317 | { | |
cf5333d7 | 2318 | struct ath6kl_vif *vif = netdev_priv(dev); |
ae32c30a JM |
2319 | |
2320 | ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", | |
2321 | __func__, frame_type, reg); | |
2322 | if (frame_type == IEEE80211_STYPE_PROBE_REQ) { | |
2323 | /* | |
2324 | * Note: This notification callback is not allowed to sleep, so | |
2325 | * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we | |
2326 | * hardcode target to report Probe Request frames all the time. | |
2327 | */ | |
cf5333d7 | 2328 | vif->probe_req_report = reg; |
ae32c30a JM |
2329 | } |
2330 | } | |
2331 | ||
f80574ae JM |
2332 | static const struct ieee80211_txrx_stypes |
2333 | ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { | |
2334 | [NL80211_IFTYPE_STATION] = { | |
2335 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2336 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
2337 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2338 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
2339 | }, | |
2340 | [NL80211_IFTYPE_P2P_CLIENT] = { | |
2341 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2342 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
2343 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2344 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
2345 | }, | |
2346 | [NL80211_IFTYPE_P2P_GO] = { | |
2347 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2348 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), | |
2349 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
2350 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
2351 | }, | |
2352 | }; | |
2353 | ||
bdcd8170 | 2354 | static struct cfg80211_ops ath6kl_cfg80211_ops = { |
55055976 VT |
2355 | .add_virtual_intf = ath6kl_cfg80211_add_iface, |
2356 | .del_virtual_intf = ath6kl_cfg80211_del_iface, | |
bdcd8170 KV |
2357 | .change_virtual_intf = ath6kl_cfg80211_change_iface, |
2358 | .scan = ath6kl_cfg80211_scan, | |
2359 | .connect = ath6kl_cfg80211_connect, | |
2360 | .disconnect = ath6kl_cfg80211_disconnect, | |
2361 | .add_key = ath6kl_cfg80211_add_key, | |
2362 | .get_key = ath6kl_cfg80211_get_key, | |
2363 | .del_key = ath6kl_cfg80211_del_key, | |
2364 | .set_default_key = ath6kl_cfg80211_set_default_key, | |
2365 | .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, | |
2366 | .set_tx_power = ath6kl_cfg80211_set_txpower, | |
2367 | .get_tx_power = ath6kl_cfg80211_get_txpower, | |
2368 | .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, | |
2369 | .join_ibss = ath6kl_cfg80211_join_ibss, | |
2370 | .leave_ibss = ath6kl_cfg80211_leave_ibss, | |
2371 | .get_station = ath6kl_get_station, | |
2372 | .set_pmksa = ath6kl_set_pmksa, | |
2373 | .del_pmksa = ath6kl_del_pmksa, | |
2374 | .flush_pmksa = ath6kl_flush_pmksa, | |
003353b0 | 2375 | CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) |
abcb344b | 2376 | #ifdef CONFIG_PM |
52d81a68 KV |
2377 | .suspend = __ath6kl_cfg80211_suspend, |
2378 | .resume = __ath6kl_cfg80211_resume, | |
abcb344b | 2379 | #endif |
6a7c9bad JM |
2380 | .set_channel = ath6kl_set_channel, |
2381 | .add_beacon = ath6kl_add_beacon, | |
2382 | .set_beacon = ath6kl_set_beacon, | |
2383 | .del_beacon = ath6kl_del_beacon, | |
23875136 | 2384 | .change_station = ath6kl_change_station, |
63fa1e0c JM |
2385 | .remain_on_channel = ath6kl_remain_on_channel, |
2386 | .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, | |
8a6c8060 | 2387 | .mgmt_tx = ath6kl_mgmt_tx, |
ae32c30a | 2388 | .mgmt_frame_register = ath6kl_mgmt_frame_register, |
bdcd8170 KV |
2389 | }; |
2390 | ||
ec4b7f60 KV |
2391 | void ath6kl_cfg80211_stop(struct ath6kl *ar) |
2392 | { | |
2393 | struct ath6kl_vif *vif; | |
2394 | ||
2395 | /* FIXME: for multi vif */ | |
2396 | vif = ath6kl_vif_first(ar); | |
2397 | if (!vif) { | |
2398 | /* save the current power mode before enabling power save */ | |
2399 | ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; | |
2400 | ||
2401 | if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) | |
2402 | ath6kl_warn("ath6kl_deep_sleep_enable: " | |
2403 | "wmi_powermode_cmd failed\n"); | |
2404 | return; | |
2405 | } | |
2406 | ||
2407 | switch (vif->sme_state) { | |
2408 | case SME_CONNECTING: | |
2409 | cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, | |
2410 | NULL, 0, | |
2411 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
2412 | GFP_KERNEL); | |
2413 | break; | |
2414 | case SME_CONNECTED: | |
2415 | default: | |
2416 | /* | |
2417 | * FIXME: oddly enough smeState is in DISCONNECTED during | |
2418 | * suspend, why? Need to send disconnected event in that | |
2419 | * state. | |
2420 | */ | |
2421 | cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); | |
2422 | break; | |
2423 | } | |
2424 | ||
2425 | if (test_bit(CONNECTED, &vif->flags) || | |
2426 | test_bit(CONNECT_PEND, &vif->flags)) | |
2427 | ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); | |
2428 | ||
2429 | vif->sme_state = SME_DISCONNECTED; | |
1f405255 KV |
2430 | clear_bit(CONNECTED, &vif->flags); |
2431 | clear_bit(CONNECT_PEND, &vif->flags); | |
ec4b7f60 KV |
2432 | |
2433 | /* disable scanning */ | |
2434 | if (ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0xFFFF, 0, 0, | |
2435 | 0, 0, 0, 0, 0, 0, 0) != 0) | |
2436 | printk(KERN_WARNING "ath6kl: failed to disable scan " | |
2437 | "during suspend\n"); | |
2438 | ||
2439 | ath6kl_cfg80211_scan_complete_event(vif, true); | |
2440 | } | |
2441 | ||
8dafb70e | 2442 | struct ath6kl *ath6kl_core_alloc(struct device *dev) |
bdcd8170 | 2443 | { |
6bbc7c35 | 2444 | struct ath6kl *ar; |
be98e3a4 | 2445 | struct wiphy *wiphy; |
8dafb70e | 2446 | u8 ctr; |
bdcd8170 KV |
2447 | |
2448 | /* create a new wiphy for use with cfg80211 */ | |
be98e3a4 | 2449 | wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); |
8dafb70e | 2450 | |
be98e3a4 | 2451 | if (!wiphy) { |
bdcd8170 | 2452 | ath6kl_err("couldn't allocate wiphy device\n"); |
bdcd8170 KV |
2453 | return NULL; |
2454 | } | |
2455 | ||
be98e3a4 | 2456 | ar = wiphy_priv(wiphy); |
774439ad | 2457 | ar->p2p = !!ath6kl_p2p; |
be98e3a4 | 2458 | ar->wiphy = wiphy; |
8dafb70e VT |
2459 | ar->dev = dev; |
2460 | ||
71f96ee6 KV |
2461 | ar->vif_max = 1; |
2462 | ||
3226f68a VT |
2463 | ar->max_norm_iface = 1; |
2464 | ||
8dafb70e VT |
2465 | spin_lock_init(&ar->lock); |
2466 | spin_lock_init(&ar->mcastpsq_lock); | |
990bd915 | 2467 | spin_lock_init(&ar->list_lock); |
8dafb70e VT |
2468 | |
2469 | init_waitqueue_head(&ar->event_wq); | |
2470 | sema_init(&ar->sem, 1); | |
2471 | ||
2472 | INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue); | |
990bd915 | 2473 | INIT_LIST_HEAD(&ar->vif_list); |
8dafb70e VT |
2474 | |
2475 | clear_bit(WMI_ENABLED, &ar->flag); | |
2476 | clear_bit(SKIP_SCAN, &ar->flag); | |
2477 | clear_bit(DESTROY_IN_PROGRESS, &ar->flag); | |
2478 | ||
2479 | ar->listen_intvl_t = A_DEFAULT_LISTEN_INTERVAL; | |
2480 | ar->listen_intvl_b = 0; | |
2481 | ar->tx_pwr = 0; | |
2482 | ||
2483 | ar->intra_bss = 1; | |
8dafb70e VT |
2484 | ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD; |
2485 | ||
76a9fbe2 KV |
2486 | ar->state = ATH6KL_STATE_OFF; |
2487 | ||
8dafb70e VT |
2488 | memset((u8 *)ar->sta_list, 0, |
2489 | AP_MAX_NUM_STA * sizeof(struct ath6kl_sta)); | |
2490 | ||
2491 | /* Init the PS queues */ | |
2492 | for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) { | |
2493 | spin_lock_init(&ar->sta_list[ctr].psq_lock); | |
2494 | skb_queue_head_init(&ar->sta_list[ctr].psq); | |
2495 | } | |
2496 | ||
2497 | skb_queue_head_init(&ar->mcastpsq); | |
2498 | ||
2499 | memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3); | |
2500 | ||
2501 | return ar; | |
2502 | } | |
2503 | ||
2504 | int ath6kl_register_ieee80211_hw(struct ath6kl *ar) | |
2505 | { | |
2506 | struct wiphy *wiphy = ar->wiphy; | |
2507 | int ret; | |
6bbc7c35 | 2508 | |
be98e3a4 | 2509 | wiphy->mgmt_stypes = ath6kl_mgmt_stypes; |
f80574ae | 2510 | |
be98e3a4 | 2511 | wiphy->max_remain_on_channel_duration = 5000; |
63fa1e0c | 2512 | |
bdcd8170 | 2513 | /* set device pointer for wiphy */ |
8dafb70e | 2514 | set_wiphy_dev(wiphy, ar->dev); |
bdcd8170 | 2515 | |
be98e3a4 | 2516 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
8dafb70e VT |
2517 | BIT(NL80211_IFTYPE_ADHOC) | |
2518 | BIT(NL80211_IFTYPE_AP); | |
6bbc7c35 | 2519 | if (ar->p2p) { |
be98e3a4 | 2520 | wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | |
8dafb70e | 2521 | BIT(NL80211_IFTYPE_P2P_CLIENT); |
6bbc7c35 | 2522 | } |
8dafb70e | 2523 | |
bdcd8170 | 2524 | /* max num of ssids that can be probed during scanning */ |
be98e3a4 VT |
2525 | wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX; |
2526 | wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ | |
2527 | wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; | |
2528 | wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; | |
2529 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; | |
bdcd8170 | 2530 | |
be98e3a4 VT |
2531 | wiphy->cipher_suites = cipher_suites; |
2532 | wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
bdcd8170 | 2533 | |
eae9e066 RM |
2534 | wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | |
2535 | WIPHY_WOWLAN_DISCONNECT | | |
2536 | WIPHY_WOWLAN_GTK_REKEY_FAILURE | | |
2537 | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | | |
2538 | WIPHY_WOWLAN_EAP_IDENTITY_REQ | | |
2539 | WIPHY_WOWLAN_4WAY_HANDSHAKE; | |
2540 | wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; | |
2541 | wiphy->wowlan.pattern_min_len = 1; | |
2542 | wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; | |
2543 | ||
be98e3a4 | 2544 | ret = wiphy_register(wiphy); |
bdcd8170 KV |
2545 | if (ret < 0) { |
2546 | ath6kl_err("couldn't register wiphy device\n"); | |
8dafb70e | 2547 | return ret; |
bdcd8170 KV |
2548 | } |
2549 | ||
8dafb70e | 2550 | return 0; |
bdcd8170 KV |
2551 | } |
2552 | ||
108438bc | 2553 | static int ath6kl_init_if_data(struct ath6kl_vif *vif) |
bdcd8170 | 2554 | { |
2132c69c VT |
2555 | vif->aggr_cntxt = aggr_init(vif->ndev); |
2556 | if (!vif->aggr_cntxt) { | |
8dafb70e VT |
2557 | ath6kl_err("failed to initialize aggr\n"); |
2558 | return -ENOMEM; | |
2559 | } | |
2560 | ||
de3ad713 | 2561 | setup_timer(&vif->disconnect_timer, disconnect_timer_handler, |
108438bc | 2562 | (unsigned long) vif->ndev); |
de3ad713 | 2563 | set_bit(WMM_ENABLED, &vif->flags); |
478ac027 | 2564 | spin_lock_init(&vif->if_lock); |
bdcd8170 | 2565 | |
8dafb70e VT |
2566 | return 0; |
2567 | } | |
2568 | ||
108438bc | 2569 | void ath6kl_deinit_if_data(struct ath6kl_vif *vif) |
8dafb70e | 2570 | { |
55055976 VT |
2571 | struct ath6kl *ar = vif->ar; |
2572 | ||
2132c69c | 2573 | aggr_module_destroy(vif->aggr_cntxt); |
8dafb70e | 2574 | |
55055976 VT |
2575 | ar->avail_idx_map |= BIT(vif->fw_vif_idx); |
2576 | ||
2577 | if (vif->nw_type == ADHOC_NETWORK) | |
2578 | ar->ibss_if_active = false; | |
2579 | ||
27929723 | 2580 | unregister_netdevice(vif->ndev); |
55055976 VT |
2581 | |
2582 | ar->num_vif--; | |
8dafb70e VT |
2583 | } |
2584 | ||
2585 | struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name, | |
55055976 VT |
2586 | enum nl80211_iftype type, u8 fw_vif_idx, |
2587 | u8 nw_type) | |
8dafb70e VT |
2588 | { |
2589 | struct net_device *ndev; | |
108438bc | 2590 | struct ath6kl_vif *vif; |
8dafb70e | 2591 | |
55055976 | 2592 | ndev = alloc_netdev(sizeof(*vif), name, ether_setup); |
8dafb70e VT |
2593 | if (!ndev) |
2594 | return NULL; | |
2595 | ||
108438bc VT |
2596 | vif = netdev_priv(ndev); |
2597 | ndev->ieee80211_ptr = &vif->wdev; | |
2598 | vif->wdev.wiphy = ar->wiphy; | |
2599 | vif->ar = ar; | |
108438bc VT |
2600 | vif->ndev = ndev; |
2601 | SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); | |
2602 | vif->wdev.netdev = ndev; | |
2603 | vif->wdev.iftype = type; | |
334234b5 | 2604 | vif->fw_vif_idx = fw_vif_idx; |
55055976 | 2605 | vif->nw_type = vif->next_mode = nw_type; |
8dafb70e | 2606 | |
55055976 VT |
2607 | memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); |
2608 | if (fw_vif_idx != 0) | |
2609 | ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | | |
2610 | 0x2; | |
2611 | ||
8dafb70e VT |
2612 | init_netdev(ndev); |
2613 | ||
e29f25f5 | 2614 | ath6kl_init_control_info(vif); |
8dafb70e VT |
2615 | |
2616 | /* TODO: Pass interface specific pointer instead of ar */ | |
108438bc | 2617 | if (ath6kl_init_if_data(vif)) |
8dafb70e VT |
2618 | goto err; |
2619 | ||
27929723 | 2620 | if (register_netdevice(ndev)) |
8dafb70e VT |
2621 | goto err; |
2622 | ||
55055976 | 2623 | ar->avail_idx_map &= ~BIT(fw_vif_idx); |
14ee6f6b | 2624 | vif->sme_state = SME_DISCONNECTED; |
59c98449 | 2625 | set_bit(WLAN_ENABLED, &vif->flags); |
8dafb70e | 2626 | ar->wlan_pwr_state = WLAN_POWER_STATE_ON; |
59c98449 | 2627 | set_bit(NETDEV_REGISTERED, &vif->flags); |
8dafb70e | 2628 | |
55055976 VT |
2629 | if (type == NL80211_IFTYPE_ADHOC) |
2630 | ar->ibss_if_active = true; | |
2631 | ||
11f6e40d | 2632 | spin_lock_bh(&ar->list_lock); |
990bd915 | 2633 | list_add_tail(&vif->list, &ar->vif_list); |
11f6e40d | 2634 | spin_unlock_bh(&ar->list_lock); |
990bd915 | 2635 | |
8dafb70e VT |
2636 | return ndev; |
2637 | ||
2638 | err: | |
27929723 VT |
2639 | aggr_module_destroy(vif->aggr_cntxt); |
2640 | free_netdev(ndev); | |
8dafb70e VT |
2641 | return NULL; |
2642 | } | |
2643 | ||
2644 | void ath6kl_deinit_ieee80211_hw(struct ath6kl *ar) | |
2645 | { | |
be98e3a4 VT |
2646 | wiphy_unregister(ar->wiphy); |
2647 | wiphy_free(ar->wiphy); | |
bdcd8170 | 2648 | } |