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98f44cb0 IM |
1 | /* |
2 | * Copyright (c) 2012-2012 Quantenna Communications, Inc. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version 2 | |
8 | * of the License, or (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | */ | |
16 | ||
17 | #include <linux/kernel.h> | |
18 | #include <linux/etherdevice.h> | |
19 | #include <linux/vmalloc.h> | |
20 | #include <linux/ieee80211.h> | |
21 | #include <net/cfg80211.h> | |
22 | #include <net/netlink.h> | |
23 | ||
24 | #include "cfg80211.h" | |
25 | #include "commands.h" | |
26 | #include "core.h" | |
27 | #include "util.h" | |
28 | #include "bus.h" | |
29 | ||
30 | /* Supported rates to be advertised to the cfg80211 */ | |
31 | static struct ieee80211_rate qtnf_rates_2g[] = { | |
32 | {.bitrate = 10, .hw_value = 2, }, | |
33 | {.bitrate = 20, .hw_value = 4, }, | |
34 | {.bitrate = 55, .hw_value = 11, }, | |
35 | {.bitrate = 110, .hw_value = 22, }, | |
36 | {.bitrate = 60, .hw_value = 12, }, | |
37 | {.bitrate = 90, .hw_value = 18, }, | |
38 | {.bitrate = 120, .hw_value = 24, }, | |
39 | {.bitrate = 180, .hw_value = 36, }, | |
40 | {.bitrate = 240, .hw_value = 48, }, | |
41 | {.bitrate = 360, .hw_value = 72, }, | |
42 | {.bitrate = 480, .hw_value = 96, }, | |
43 | {.bitrate = 540, .hw_value = 108, }, | |
44 | }; | |
45 | ||
46 | /* Supported rates to be advertised to the cfg80211 */ | |
47 | static struct ieee80211_rate qtnf_rates_5g[] = { | |
48 | {.bitrate = 60, .hw_value = 12, }, | |
49 | {.bitrate = 90, .hw_value = 18, }, | |
50 | {.bitrate = 120, .hw_value = 24, }, | |
51 | {.bitrate = 180, .hw_value = 36, }, | |
52 | {.bitrate = 240, .hw_value = 48, }, | |
53 | {.bitrate = 360, .hw_value = 72, }, | |
54 | {.bitrate = 480, .hw_value = 96, }, | |
55 | {.bitrate = 540, .hw_value = 108, }, | |
56 | }; | |
57 | ||
58 | /* Supported crypto cipher suits to be advertised to cfg80211 */ | |
59 | static const u32 qtnf_cipher_suites[] = { | |
60 | WLAN_CIPHER_SUITE_TKIP, | |
61 | WLAN_CIPHER_SUITE_CCMP, | |
62 | WLAN_CIPHER_SUITE_AES_CMAC, | |
63 | }; | |
64 | ||
65 | /* Supported mgmt frame types to be advertised to cfg80211 */ | |
66 | static const struct ieee80211_txrx_stypes | |
67 | qtnf_mgmt_stypes[NUM_NL80211_IFTYPES] = { | |
68 | [NL80211_IFTYPE_STATION] = { | |
69 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4), | |
70 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
71 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), | |
72 | }, | |
73 | [NL80211_IFTYPE_AP] = { | |
74 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4), | |
75 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | | |
3dd06cec SM |
76 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
77 | BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | | |
78 | BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | | |
79 | BIT(IEEE80211_STYPE_AUTH >> 4), | |
98f44cb0 IM |
80 | }, |
81 | }; | |
82 | ||
83 | static int | |
84 | qtnf_change_virtual_intf(struct wiphy *wiphy, | |
85 | struct net_device *dev, | |
86 | enum nl80211_iftype type, | |
87 | struct vif_params *params) | |
88 | { | |
89 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); | |
90 | u8 *mac_addr; | |
91 | int ret; | |
92 | ||
93 | if (params) | |
94 | mac_addr = params->macaddr; | |
95 | else | |
96 | mac_addr = NULL; | |
97 | ||
98 | qtnf_scan_done(vif->mac, true); | |
99 | ||
100 | ret = qtnf_cmd_send_change_intf_type(vif, type, mac_addr); | |
101 | if (ret) { | |
102 | pr_err("VIF%u.%u: failed to change VIF type: %d\n", | |
103 | vif->mac->macid, vif->vifid, ret); | |
104 | return ret; | |
105 | } | |
106 | ||
107 | vif->wdev.iftype = type; | |
108 | return 0; | |
109 | } | |
110 | ||
111 | int qtnf_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) | |
112 | { | |
113 | struct net_device *netdev = wdev->netdev; | |
114 | struct qtnf_vif *vif; | |
115 | ||
116 | if (WARN_ON(!netdev)) | |
117 | return -EFAULT; | |
118 | ||
119 | vif = qtnf_netdev_get_priv(wdev->netdev); | |
120 | ||
a715b3a0 SM |
121 | qtnf_scan_done(vif->mac, true); |
122 | ||
98f44cb0 IM |
123 | if (qtnf_cmd_send_del_intf(vif)) |
124 | pr_err("VIF%u.%u: failed to delete VIF\n", vif->mac->macid, | |
125 | vif->vifid); | |
126 | ||
127 | /* Stop data */ | |
128 | netif_tx_stop_all_queues(netdev); | |
129 | if (netif_carrier_ok(netdev)) | |
130 | netif_carrier_off(netdev); | |
131 | ||
132 | if (netdev->reg_state == NETREG_REGISTERED) | |
133 | unregister_netdevice(netdev); | |
134 | ||
135 | vif->netdev->ieee80211_ptr = NULL; | |
136 | vif->netdev = NULL; | |
137 | vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; | |
138 | eth_zero_addr(vif->mac_addr); | |
9766d1dd | 139 | eth_zero_addr(vif->bssid); |
98f44cb0 IM |
140 | |
141 | return 0; | |
142 | } | |
143 | ||
144 | static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy, | |
145 | const char *name, | |
146 | unsigned char name_assign_t, | |
147 | enum nl80211_iftype type, | |
148 | struct vif_params *params) | |
149 | { | |
150 | struct qtnf_wmac *mac; | |
151 | struct qtnf_vif *vif; | |
152 | u8 *mac_addr = NULL; | |
153 | ||
154 | mac = wiphy_priv(wiphy); | |
155 | ||
156 | if (!mac) | |
157 | return ERR_PTR(-EFAULT); | |
158 | ||
159 | switch (type) { | |
160 | case NL80211_IFTYPE_STATION: | |
161 | case NL80211_IFTYPE_AP: | |
162 | vif = qtnf_mac_get_free_vif(mac); | |
163 | if (!vif) { | |
164 | pr_err("MAC%u: no free VIF available\n", mac->macid); | |
165 | return ERR_PTR(-EFAULT); | |
166 | } | |
167 | ||
168 | eth_zero_addr(vif->mac_addr); | |
169 | vif->bss_priority = QTNF_DEF_BSS_PRIORITY; | |
170 | vif->wdev.wiphy = wiphy; | |
171 | vif->wdev.iftype = type; | |
172 | vif->sta_state = QTNF_STA_DISCONNECTED; | |
173 | break; | |
174 | default: | |
175 | pr_err("MAC%u: unsupported IF type %d\n", mac->macid, type); | |
176 | return ERR_PTR(-ENOTSUPP); | |
177 | } | |
178 | ||
179 | if (params) | |
180 | mac_addr = params->macaddr; | |
181 | ||
182 | if (qtnf_cmd_send_add_intf(vif, type, mac_addr)) { | |
183 | pr_err("VIF%u.%u: failed to add VIF\n", mac->macid, vif->vifid); | |
184 | goto err_cmd; | |
185 | } | |
186 | ||
187 | if (!is_valid_ether_addr(vif->mac_addr)) { | |
188 | pr_err("VIF%u.%u: FW reported bad MAC: %pM\n", | |
189 | mac->macid, vif->vifid, vif->mac_addr); | |
190 | goto err_mac; | |
191 | } | |
192 | ||
193 | if (qtnf_core_net_attach(mac, vif, name, name_assign_t, type)) { | |
194 | pr_err("VIF%u.%u: failed to attach netdev\n", mac->macid, | |
195 | vif->vifid); | |
196 | goto err_net; | |
197 | } | |
198 | ||
199 | vif->wdev.netdev = vif->netdev; | |
200 | return &vif->wdev; | |
201 | ||
202 | err_net: | |
203 | vif->netdev = NULL; | |
204 | err_mac: | |
205 | qtnf_cmd_send_del_intf(vif); | |
206 | err_cmd: | |
207 | vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; | |
9766d1dd IM |
208 | eth_zero_addr(vif->mac_addr); |
209 | eth_zero_addr(vif->bssid); | |
98f44cb0 IM |
210 | |
211 | return ERR_PTR(-EFAULT); | |
212 | } | |
213 | ||
214 | static int qtnf_mgmt_set_appie(struct qtnf_vif *vif, | |
215 | const struct cfg80211_beacon_data *info) | |
216 | { | |
217 | int ret = 0; | |
218 | ||
219 | if (!info->beacon_ies || !info->beacon_ies_len) { | |
4d1f0fab | 220 | ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES, |
98f44cb0 IM |
221 | NULL, 0); |
222 | } else { | |
4d1f0fab | 223 | ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES, |
98f44cb0 IM |
224 | info->beacon_ies, |
225 | info->beacon_ies_len); | |
226 | } | |
227 | ||
228 | if (ret) | |
229 | goto out; | |
230 | ||
231 | if (!info->proberesp_ies || !info->proberesp_ies_len) { | |
232 | ret = qtnf_cmd_send_mgmt_set_appie(vif, | |
4d1f0fab | 233 | QLINK_IE_SET_PROBE_RESP_IES, |
98f44cb0 IM |
234 | NULL, 0); |
235 | } else { | |
236 | ret = qtnf_cmd_send_mgmt_set_appie(vif, | |
4d1f0fab | 237 | QLINK_IE_SET_PROBE_RESP_IES, |
98f44cb0 IM |
238 | info->proberesp_ies, |
239 | info->proberesp_ies_len); | |
240 | } | |
241 | ||
242 | if (ret) | |
243 | goto out; | |
244 | ||
245 | if (!info->assocresp_ies || !info->assocresp_ies_len) { | |
246 | ret = qtnf_cmd_send_mgmt_set_appie(vif, | |
4d1f0fab | 247 | QLINK_IE_SET_ASSOC_RESP, |
98f44cb0 IM |
248 | NULL, 0); |
249 | } else { | |
250 | ret = qtnf_cmd_send_mgmt_set_appie(vif, | |
4d1f0fab | 251 | QLINK_IE_SET_ASSOC_RESP, |
98f44cb0 IM |
252 | info->assocresp_ies, |
253 | info->assocresp_ies_len); | |
254 | } | |
255 | ||
256 | out: | |
257 | return ret; | |
258 | } | |
259 | ||
260 | static int qtnf_change_beacon(struct wiphy *wiphy, struct net_device *dev, | |
261 | struct cfg80211_beacon_data *info) | |
262 | { | |
263 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); | |
264 | ||
98f44cb0 IM |
265 | return qtnf_mgmt_set_appie(vif, info); |
266 | } | |
267 | ||
268 | static int qtnf_start_ap(struct wiphy *wiphy, struct net_device *dev, | |
269 | struct cfg80211_ap_settings *settings) | |
270 | { | |
271 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); | |
98f44cb0 IM |
272 | int ret; |
273 | ||
17011da0 | 274 | ret = qtnf_cmd_send_start_ap(vif, settings); |
d7b80052 | 275 | if (ret) |
98f44cb0 IM |
276 | pr_err("VIF%u.%u: failed to start AP\n", vif->mac->macid, |
277 | vif->vifid); | |
98f44cb0 | 278 | |
98f44cb0 IM |
279 | return ret; |
280 | } | |
281 | ||
282 | static int qtnf_stop_ap(struct wiphy *wiphy, struct net_device *dev) | |
283 | { | |
284 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); | |
285 | int ret; | |
286 | ||
a715b3a0 SM |
287 | qtnf_scan_done(vif->mac, true); |
288 | ||
98f44cb0 IM |
289 | ret = qtnf_cmd_send_stop_ap(vif); |
290 | if (ret) { | |
291 | pr_err("VIF%u.%u: failed to stop AP operation in FW\n", | |
292 | vif->mac->macid, vif->vifid); | |
98f44cb0 IM |
293 | |
294 | netif_carrier_off(vif->netdev); | |
295 | } | |
296 | ||
297 | return ret; | |
298 | } | |
299 | ||
300 | static int qtnf_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
301 | { | |
302 | struct qtnf_wmac *mac = wiphy_priv(wiphy); | |
303 | struct qtnf_vif *vif; | |
304 | int ret; | |
305 | ||
306 | vif = qtnf_mac_get_base_vif(mac); | |
307 | if (!vif) { | |
308 | pr_err("MAC%u: primary VIF is not configured\n", mac->macid); | |
309 | return -EFAULT; | |
310 | } | |
311 | ||
312 | if (changed & (WIPHY_PARAM_RETRY_LONG | WIPHY_PARAM_RETRY_SHORT)) { | |
313 | pr_err("MAC%u: can't modify retry params\n", mac->macid); | |
314 | return -EOPNOTSUPP; | |
315 | } | |
316 | ||
317 | ret = qtnf_cmd_send_update_phy_params(mac, changed); | |
318 | if (ret) | |
319 | pr_err("MAC%u: failed to update PHY params\n", mac->macid); | |
320 | ||
321 | return ret; | |
322 | } | |
323 | ||
324 | static void | |
325 | qtnf_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev, | |
326 | u16 frame_type, bool reg) | |
327 | { | |
328 | struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); | |
329 | u16 mgmt_type; | |
330 | u16 new_mask; | |
331 | u16 qlink_frame_type = 0; | |
332 | ||
333 | mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; | |
334 | ||
335 | if (reg) | |
336 | new_mask = vif->mgmt_frames_bitmask | BIT(mgmt_type); | |
337 | else | |
338 | new_mask = vif->mgmt_frames_bitmask & ~BIT(mgmt_type); | |
339 | ||
340 | if (new_mask == vif->mgmt_frames_bitmask) | |
341 | return; | |
342 | ||
343 | switch (frame_type & IEEE80211_FCTL_STYPE) { | |
3dd06cec SM |
344 | case IEEE80211_STYPE_REASSOC_REQ: |
345 | case IEEE80211_STYPE_ASSOC_REQ: | |
346 | qlink_frame_type = QLINK_MGMT_FRAME_ASSOC_REQ; | |
347 | break; | |
348 | case IEEE80211_STYPE_AUTH: | |
349 | qlink_frame_type = QLINK_MGMT_FRAME_AUTH; | |
350 | break; | |
98f44cb0 IM |
351 | case IEEE80211_STYPE_PROBE_REQ: |
352 | qlink_frame_type = QLINK_MGMT_FRAME_PROBE_REQ; | |
353 | break; | |
354 | case IEEE80211_STYPE_ACTION: | |
355 | qlink_frame_type = QLINK_MGMT_FRAME_ACTION; | |
356 | break; | |
357 | default: | |
358 | pr_warn("VIF%u.%u: unsupported frame type: %X\n", | |
359 | vif->mac->macid, vif->vifid, | |
360 | (frame_type & IEEE80211_FCTL_STYPE) >> 4); | |
361 | return; | |
362 | } | |
363 | ||
364 | if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg)) { | |
365 | pr_warn("VIF%u.%u: failed to %sregister mgmt frame type 0x%x\n", | |
366 | vif->mac->macid, vif->vifid, reg ? "" : "un", | |
367 | frame_type); | |
368 | return; | |
369 | } | |
370 | ||
371 | vif->mgmt_frames_bitmask = new_mask; | |
372 | pr_debug("VIF%u.%u: %sregistered mgmt frame type 0x%x\n", | |
373 | vif->mac->macid, vif->vifid, reg ? "" : "un", frame_type); | |
374 | } | |
375 | ||
376 | static int | |
377 | qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, | |
378 | struct cfg80211_mgmt_tx_params *params, u64 *cookie) | |
379 | { | |
380 | struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); | |
381 | const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf; | |
382 | u32 short_cookie = prandom_u32(); | |
383 | u16 flags = 0; | |
384 | ||
385 | *cookie = short_cookie; | |
386 | ||
387 | if (params->offchan) | |
388 | flags |= QLINK_MGMT_FRAME_TX_FLAG_OFFCHAN; | |
389 | ||
390 | if (params->no_cck) | |
391 | flags |= QLINK_MGMT_FRAME_TX_FLAG_NO_CCK; | |
392 | ||
393 | if (params->dont_wait_for_ack) | |
394 | flags |= QLINK_MGMT_FRAME_TX_FLAG_ACK_NOWAIT; | |
395 | ||
396 | pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n", | |
397 | wdev->netdev->name, params->chan->center_freq, | |
398 | le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da, | |
399 | params->len, short_cookie, flags); | |
400 | ||
401 | return qtnf_cmd_send_mgmt_frame(vif, short_cookie, flags, | |
402 | params->chan->center_freq, | |
403 | params->buf, params->len); | |
404 | } | |
405 | ||
406 | static int | |
407 | qtnf_get_station(struct wiphy *wiphy, struct net_device *dev, | |
408 | const u8 *mac, struct station_info *sinfo) | |
409 | { | |
410 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); | |
411 | ||
412 | return qtnf_cmd_get_sta_info(vif, mac, sinfo); | |
413 | } | |
414 | ||
415 | static int | |
416 | qtnf_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
417 | int idx, u8 *mac, struct station_info *sinfo) | |
418 | { | |
419 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); | |
420 | const struct qtnf_sta_node *sta_node; | |
421 | int ret; | |
422 | ||
423 | sta_node = qtnf_sta_list_lookup_index(&vif->sta_list, idx); | |
424 | ||
425 | if (unlikely(!sta_node)) | |
426 | return -ENOENT; | |
427 | ||
428 | ether_addr_copy(mac, sta_node->mac_addr); | |
429 | ||
430 | ret = qtnf_cmd_get_sta_info(vif, sta_node->mac_addr, sinfo); | |
431 | ||
432 | if (unlikely(ret == -ENOENT)) { | |
433 | qtnf_sta_list_del(&vif->sta_list, mac); | |
434 | cfg80211_del_sta(vif->netdev, mac, GFP_KERNEL); | |
435 | sinfo->filled = 0; | |
436 | } | |
437 | ||
438 | return ret; | |
439 | } | |
440 | ||
441 | static int qtnf_add_key(struct wiphy *wiphy, struct net_device *dev, | |
442 | u8 key_index, bool pairwise, const u8 *mac_addr, | |
443 | struct key_params *params) | |
444 | { | |
445 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); | |
446 | int ret; | |
447 | ||
448 | ret = qtnf_cmd_send_add_key(vif, key_index, pairwise, mac_addr, params); | |
449 | if (ret) | |
450 | pr_err("VIF%u.%u: failed to add key: cipher=%x idx=%u pw=%u\n", | |
451 | vif->mac->macid, vif->vifid, params->cipher, key_index, | |
452 | pairwise); | |
453 | ||
454 | return ret; | |
455 | } | |
456 | ||
457 | static int qtnf_del_key(struct wiphy *wiphy, struct net_device *dev, | |
458 | u8 key_index, bool pairwise, const u8 *mac_addr) | |
459 | { | |
460 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); | |
461 | int ret; | |
462 | ||
463 | ret = qtnf_cmd_send_del_key(vif, key_index, pairwise, mac_addr); | |
464 | if (ret) | |
465 | pr_err("VIF%u.%u: failed to delete key: idx=%u pw=%u\n", | |
466 | vif->mac->macid, vif->vifid, key_index, pairwise); | |
467 | ||
468 | return ret; | |
469 | } | |
470 | ||
471 | static int qtnf_set_default_key(struct wiphy *wiphy, struct net_device *dev, | |
472 | u8 key_index, bool unicast, bool multicast) | |
473 | { | |
474 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); | |
475 | int ret; | |
476 | ||
477 | ret = qtnf_cmd_send_set_default_key(vif, key_index, unicast, multicast); | |
478 | if (ret) | |
479 | pr_err("VIF%u.%u: failed to set dflt key: idx=%u uc=%u mc=%u\n", | |
480 | vif->mac->macid, vif->vifid, key_index, unicast, | |
481 | multicast); | |
482 | ||
483 | return ret; | |
484 | } | |
485 | ||
486 | static int | |
487 | qtnf_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev, | |
488 | u8 key_index) | |
489 | { | |
490 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); | |
491 | int ret; | |
492 | ||
493 | ret = qtnf_cmd_send_set_default_mgmt_key(vif, key_index); | |
494 | if (ret) | |
495 | pr_err("VIF%u.%u: failed to set default MGMT key: idx=%u\n", | |
496 | vif->mac->macid, vif->vifid, key_index); | |
497 | ||
498 | return ret; | |
499 | } | |
500 | ||
501 | static int | |
502 | qtnf_change_station(struct wiphy *wiphy, struct net_device *dev, | |
503 | const u8 *mac, struct station_parameters *params) | |
504 | { | |
505 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); | |
506 | int ret; | |
507 | ||
508 | ret = qtnf_cmd_send_change_sta(vif, mac, params); | |
509 | if (ret) | |
510 | pr_err("VIF%u.%u: failed to change STA %pM\n", | |
511 | vif->mac->macid, vif->vifid, mac); | |
512 | ||
513 | return ret; | |
514 | } | |
515 | ||
516 | static int | |
517 | qtnf_del_station(struct wiphy *wiphy, struct net_device *dev, | |
518 | struct station_del_parameters *params) | |
519 | { | |
520 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); | |
521 | int ret; | |
522 | ||
523 | if (params->mac && | |
524 | (vif->wdev.iftype == NL80211_IFTYPE_AP) && | |
525 | !is_broadcast_ether_addr(params->mac) && | |
526 | !qtnf_sta_list_lookup(&vif->sta_list, params->mac)) | |
527 | return 0; | |
528 | ||
98f44cb0 IM |
529 | ret = qtnf_cmd_send_del_sta(vif, params); |
530 | if (ret) | |
531 | pr_err("VIF%u.%u: failed to delete STA %pM\n", | |
532 | vif->mac->macid, vif->vifid, params->mac); | |
533 | return ret; | |
534 | } | |
535 | ||
7e916caf | 536 | static void qtnf_scan_timeout(struct timer_list *t) |
c7ead2ab | 537 | { |
7e916caf | 538 | struct qtnf_wmac *mac = from_timer(mac, t, scan_timeout); |
c7ead2ab SM |
539 | |
540 | pr_warn("mac%d scan timed out\n", mac->macid); | |
541 | qtnf_scan_done(mac, true); | |
542 | } | |
543 | ||
98f44cb0 IM |
544 | static int |
545 | qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) | |
546 | { | |
547 | struct qtnf_wmac *mac = wiphy_priv(wiphy); | |
98f44cb0 IM |
548 | |
549 | mac->scan_req = request; | |
550 | ||
c7ead2ab | 551 | if (qtnf_cmd_send_scan(mac)) { |
98f44cb0 | 552 | pr_err("MAC%u: failed to start scan\n", mac->macid); |
c7ead2ab SM |
553 | mac->scan_req = NULL; |
554 | return -EFAULT; | |
555 | } | |
98f44cb0 | 556 | |
841b86f3 | 557 | mac->scan_timeout.function = qtnf_scan_timeout; |
c7ead2ab SM |
558 | mod_timer(&mac->scan_timeout, |
559 | jiffies + QTNF_SCAN_TIMEOUT_SEC * HZ); | |
560 | ||
561 | return 0; | |
98f44cb0 IM |
562 | } |
563 | ||
564 | static int | |
565 | qtnf_connect(struct wiphy *wiphy, struct net_device *dev, | |
566 | struct cfg80211_connect_params *sme) | |
567 | { | |
568 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); | |
98f44cb0 IM |
569 | int ret; |
570 | ||
571 | if (vif->wdev.iftype != NL80211_IFTYPE_STATION) | |
572 | return -EOPNOTSUPP; | |
573 | ||
574 | if (vif->sta_state != QTNF_STA_DISCONNECTED) | |
575 | return -EBUSY; | |
576 | ||
98f44cb0 | 577 | if (sme->bssid) |
9766d1dd | 578 | ether_addr_copy(vif->bssid, sme->bssid); |
98f44cb0 | 579 | else |
9766d1dd | 580 | eth_zero_addr(vif->bssid); |
98f44cb0 IM |
581 | |
582 | ret = qtnf_cmd_send_connect(vif, sme); | |
583 | if (ret) { | |
584 | pr_err("VIF%u.%u: failed to connect\n", vif->mac->macid, | |
585 | vif->vifid); | |
586 | return ret; | |
587 | } | |
588 | ||
589 | vif->sta_state = QTNF_STA_CONNECTING; | |
590 | return 0; | |
591 | } | |
592 | ||
593 | static int | |
594 | qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
595 | u16 reason_code) | |
596 | { | |
597 | struct qtnf_wmac *mac = wiphy_priv(wiphy); | |
598 | struct qtnf_vif *vif; | |
599 | int ret; | |
600 | ||
601 | vif = qtnf_mac_get_base_vif(mac); | |
602 | if (!vif) { | |
603 | pr_err("MAC%u: primary VIF is not configured\n", mac->macid); | |
604 | return -EFAULT; | |
605 | } | |
606 | ||
607 | if (vif->wdev.iftype != NL80211_IFTYPE_STATION) | |
608 | return -EOPNOTSUPP; | |
609 | ||
610 | if (vif->sta_state == QTNF_STA_DISCONNECTED) | |
611 | return 0; | |
612 | ||
613 | ret = qtnf_cmd_send_disconnect(vif, reason_code); | |
614 | if (ret) { | |
615 | pr_err("VIF%u.%u: failed to disconnect\n", mac->macid, | |
616 | vif->vifid); | |
617 | return ret; | |
618 | } | |
619 | ||
620 | vif->sta_state = QTNF_STA_DISCONNECTED; | |
621 | return 0; | |
622 | } | |
623 | ||
7c04b439 SM |
624 | static int |
625 | qtnf_dump_survey(struct wiphy *wiphy, struct net_device *dev, | |
626 | int idx, struct survey_info *survey) | |
627 | { | |
628 | struct qtnf_wmac *mac = wiphy_priv(wiphy); | |
ef81e8e9 | 629 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
7c04b439 | 630 | struct ieee80211_supported_band *sband; |
ef81e8e9 | 631 | const struct cfg80211_chan_def *chandef = &wdev->chandef; |
7c04b439 SM |
632 | struct ieee80211_channel *chan; |
633 | struct qtnf_chan_stats stats; | |
27894448 | 634 | struct qtnf_vif *vif; |
7c04b439 SM |
635 | int ret; |
636 | ||
27894448 | 637 | vif = qtnf_netdev_get_priv(dev); |
27894448 | 638 | |
7c04b439 SM |
639 | sband = wiphy->bands[NL80211_BAND_2GHZ]; |
640 | if (sband && idx >= sband->n_channels) { | |
641 | idx -= sband->n_channels; | |
642 | sband = NULL; | |
643 | } | |
644 | ||
645 | if (!sband) | |
646 | sband = wiphy->bands[NL80211_BAND_5GHZ]; | |
647 | ||
648 | if (!sband || idx >= sband->n_channels) | |
649 | return -ENOENT; | |
650 | ||
651 | chan = &sband->channels[idx]; | |
652 | memset(&stats, 0, sizeof(stats)); | |
653 | ||
654 | survey->channel = chan; | |
655 | survey->filled = 0x0; | |
656 | ||
34f1145b SM |
657 | if (chandef->chan) { |
658 | if (chan->hw_value == chandef->chan->hw_value) | |
659 | survey->filled = SURVEY_INFO_IN_USE; | |
660 | } | |
27894448 | 661 | |
7c04b439 SM |
662 | ret = qtnf_cmd_get_chan_stats(mac, chan->hw_value, &stats); |
663 | switch (ret) { | |
664 | case 0: | |
665 | if (unlikely(stats.chan_num != chan->hw_value)) { | |
666 | pr_err("received stats for channel %d instead of %d\n", | |
667 | stats.chan_num, chan->hw_value); | |
668 | ret = -EINVAL; | |
669 | break; | |
670 | } | |
671 | ||
34f1145b | 672 | survey->filled |= SURVEY_INFO_TIME | |
7c04b439 SM |
673 | SURVEY_INFO_TIME_SCAN | |
674 | SURVEY_INFO_TIME_BUSY | | |
675 | SURVEY_INFO_TIME_RX | | |
676 | SURVEY_INFO_TIME_TX | | |
677 | SURVEY_INFO_NOISE_DBM; | |
678 | ||
679 | survey->time_scan = stats.cca_try; | |
680 | survey->time = stats.cca_try; | |
681 | survey->time_tx = stats.cca_tx; | |
682 | survey->time_rx = stats.cca_rx; | |
683 | survey->time_busy = stats.cca_busy; | |
684 | survey->noise = stats.chan_noise; | |
685 | break; | |
686 | case -ENOENT: | |
687 | pr_debug("no stats for channel %u\n", chan->hw_value); | |
688 | ret = 0; | |
689 | break; | |
690 | default: | |
691 | pr_debug("failed to get chan(%d) stats from card\n", | |
692 | chan->hw_value); | |
693 | ret = -EINVAL; | |
694 | break; | |
695 | } | |
696 | ||
697 | return ret; | |
698 | } | |
699 | ||
27894448 SM |
700 | static int |
701 | qtnf_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, | |
702 | struct cfg80211_chan_def *chandef) | |
703 | { | |
704 | struct net_device *ndev = wdev->netdev; | |
27894448 | 705 | struct qtnf_vif *vif; |
9e5478b6 | 706 | int ret; |
27894448 SM |
707 | |
708 | if (!ndev) | |
709 | return -ENODEV; | |
710 | ||
711 | vif = qtnf_netdev_get_priv(wdev->netdev); | |
27894448 | 712 | |
9e5478b6 IM |
713 | ret = qtnf_cmd_get_channel(vif, chandef); |
714 | if (ret) { | |
715 | pr_err("%s: failed to get channel: %d\n", ndev->name, ret); | |
716 | goto out; | |
27894448 SM |
717 | } |
718 | ||
9e5478b6 IM |
719 | if (!cfg80211_chandef_valid(chandef)) { |
720 | pr_err("%s: bad chan freq1=%u freq2=%u bw=%u\n", ndev->name, | |
721 | chandef->center_freq1, chandef->center_freq2, | |
722 | chandef->width); | |
723 | ret = -ENODATA; | |
34f1145b SM |
724 | } |
725 | ||
9e5478b6 IM |
726 | out: |
727 | return ret; | |
27894448 SM |
728 | } |
729 | ||
97883695 SM |
730 | static int qtnf_channel_switch(struct wiphy *wiphy, struct net_device *dev, |
731 | struct cfg80211_csa_settings *params) | |
732 | { | |
97883695 SM |
733 | struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); |
734 | int ret; | |
735 | ||
736 | pr_debug("%s: chan(%u) count(%u) radar(%u) block_tx(%u)\n", dev->name, | |
737 | params->chandef.chan->hw_value, params->count, | |
738 | params->radar_required, params->block_tx); | |
739 | ||
97883695 SM |
740 | if (!cfg80211_chandef_valid(¶ms->chandef)) { |
741 | pr_err("%s: invalid channel\n", dev->name); | |
742 | return -EINVAL; | |
743 | } | |
744 | ||
8c015b90 | 745 | ret = qtnf_cmd_send_chan_switch(vif, params); |
97883695 SM |
746 | if (ret) |
747 | pr_warn("%s: failed to switch to channel (%u)\n", | |
748 | dev->name, params->chandef.chan->hw_value); | |
749 | ||
750 | return ret; | |
751 | } | |
752 | ||
98f44cb0 IM |
753 | static struct cfg80211_ops qtn_cfg80211_ops = { |
754 | .add_virtual_intf = qtnf_add_virtual_intf, | |
755 | .change_virtual_intf = qtnf_change_virtual_intf, | |
756 | .del_virtual_intf = qtnf_del_virtual_intf, | |
757 | .start_ap = qtnf_start_ap, | |
758 | .change_beacon = qtnf_change_beacon, | |
759 | .stop_ap = qtnf_stop_ap, | |
760 | .set_wiphy_params = qtnf_set_wiphy_params, | |
761 | .mgmt_frame_register = qtnf_mgmt_frame_register, | |
762 | .mgmt_tx = qtnf_mgmt_tx, | |
763 | .change_station = qtnf_change_station, | |
764 | .del_station = qtnf_del_station, | |
765 | .get_station = qtnf_get_station, | |
766 | .dump_station = qtnf_dump_station, | |
767 | .add_key = qtnf_add_key, | |
768 | .del_key = qtnf_del_key, | |
769 | .set_default_key = qtnf_set_default_key, | |
770 | .set_default_mgmt_key = qtnf_set_default_mgmt_key, | |
771 | .scan = qtnf_scan, | |
772 | .connect = qtnf_connect, | |
7c04b439 | 773 | .disconnect = qtnf_disconnect, |
27894448 | 774 | .dump_survey = qtnf_dump_survey, |
97883695 SM |
775 | .get_channel = qtnf_get_channel, |
776 | .channel_switch = qtnf_channel_switch | |
98f44cb0 IM |
777 | }; |
778 | ||
4dd07d2b | 779 | static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy_in, |
98f44cb0 IM |
780 | struct regulatory_request *req) |
781 | { | |
4dd07d2b SM |
782 | struct qtnf_wmac *mac = wiphy_priv(wiphy_in); |
783 | struct qtnf_bus *bus = mac->bus; | |
784 | struct wiphy *wiphy; | |
785 | unsigned int mac_idx; | |
98f44cb0 | 786 | enum nl80211_band band; |
4dd07d2b | 787 | int ret; |
98f44cb0 IM |
788 | |
789 | pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator, | |
790 | req->alpha2[0], req->alpha2[1]); | |
791 | ||
4dd07d2b SM |
792 | ret = qtnf_cmd_reg_notify(bus, req); |
793 | if (ret) { | |
794 | if (ret != -EOPNOTSUPP && ret != -EALREADY) | |
795 | pr_err("failed to update reg domain to %c%c\n", | |
796 | req->alpha2[0], req->alpha2[1]); | |
98f44cb0 IM |
797 | return; |
798 | } | |
799 | ||
4dd07d2b SM |
800 | for (mac_idx = 0; mac_idx < QTNF_MAX_MAC; ++mac_idx) { |
801 | if (!(bus->hw_info.mac_bitmap & (1 << mac_idx))) | |
98f44cb0 IM |
802 | continue; |
803 | ||
4dd07d2b SM |
804 | mac = bus->mac[mac_idx]; |
805 | wiphy = priv_to_wiphy(mac); | |
98f44cb0 IM |
806 | |
807 | for (band = 0; band < NUM_NL80211_BANDS; ++band) { | |
808 | if (!wiphy->bands[band]) | |
809 | continue; | |
810 | ||
e294cbfd | 811 | ret = qtnf_cmd_band_info_get(mac, wiphy->bands[band]); |
4dd07d2b SM |
812 | if (ret) |
813 | pr_err("failed to get chan info for mac %u band %u\n", | |
814 | mac_idx, band); | |
98f44cb0 IM |
815 | } |
816 | } | |
817 | } | |
818 | ||
98f44cb0 IM |
819 | struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus) |
820 | { | |
821 | struct wiphy *wiphy; | |
822 | ||
823 | wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac)); | |
824 | if (!wiphy) | |
825 | return NULL; | |
826 | ||
827 | set_wiphy_dev(wiphy, bus->dev); | |
828 | ||
829 | return wiphy; | |
830 | } | |
831 | ||
832 | static int qtnf_wiphy_setup_if_comb(struct wiphy *wiphy, | |
833 | struct ieee80211_iface_combination *if_comb, | |
834 | const struct qtnf_mac_info *mac_info) | |
835 | { | |
836 | size_t max_interfaces = 0; | |
837 | u16 interface_modes = 0; | |
838 | size_t i; | |
839 | ||
840 | if (unlikely(!mac_info->limits || !mac_info->n_limits)) | |
841 | return -ENOENT; | |
842 | ||
843 | if_comb->limits = mac_info->limits; | |
844 | if_comb->n_limits = mac_info->n_limits; | |
845 | ||
846 | for (i = 0; i < mac_info->n_limits; i++) { | |
847 | max_interfaces += mac_info->limits[i].max; | |
848 | interface_modes |= mac_info->limits[i].types; | |
849 | } | |
850 | ||
851 | if_comb->num_different_channels = 1; | |
852 | if_comb->beacon_int_infra_match = true; | |
853 | if_comb->max_interfaces = max_interfaces; | |
854 | if_comb->radar_detect_widths = mac_info->radar_detect_widths; | |
855 | wiphy->interface_modes = interface_modes; | |
856 | ||
857 | return 0; | |
858 | } | |
859 | ||
860 | int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac) | |
861 | { | |
862 | struct wiphy *wiphy = priv_to_wiphy(mac); | |
863 | struct ieee80211_iface_combination *iface_comb = NULL; | |
864 | int ret; | |
865 | ||
866 | if (!wiphy) { | |
867 | pr_err("invalid wiphy pointer\n"); | |
868 | return -EFAULT; | |
869 | } | |
870 | ||
871 | iface_comb = kzalloc(sizeof(*iface_comb), GFP_KERNEL); | |
4dd07d2b SM |
872 | if (!iface_comb) |
873 | return -ENOMEM; | |
98f44cb0 IM |
874 | |
875 | ret = qtnf_wiphy_setup_if_comb(wiphy, iface_comb, &mac->macinfo); | |
876 | if (ret) | |
877 | goto out; | |
878 | ||
98f44cb0 IM |
879 | wiphy->frag_threshold = mac->macinfo.frag_thr; |
880 | wiphy->rts_threshold = mac->macinfo.rts_thr; | |
881 | wiphy->retry_short = mac->macinfo.sretry_limit; | |
882 | wiphy->retry_long = mac->macinfo.lretry_limit; | |
883 | wiphy->coverage_class = mac->macinfo.coverage_class; | |
884 | ||
885 | wiphy->max_scan_ssids = QTNF_MAX_SSID_LIST_LENGTH; | |
886 | wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN; | |
887 | wiphy->mgmt_stypes = qtnf_mgmt_stypes; | |
888 | wiphy->max_remain_on_channel_duration = 5000; | |
889 | ||
890 | wiphy->iface_combinations = iface_comb; | |
891 | wiphy->n_iface_combinations = 1; | |
97883695 | 892 | wiphy->max_num_csa_counters = 2; |
98f44cb0 IM |
893 | |
894 | /* Initialize cipher suits */ | |
895 | wiphy->cipher_suites = qtnf_cipher_suites; | |
896 | wiphy->n_cipher_suites = ARRAY_SIZE(qtnf_cipher_suites); | |
897 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; | |
898 | wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | | |
899 | WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | | |
97883695 SM |
900 | WIPHY_FLAG_AP_UAPSD | |
901 | WIPHY_FLAG_HAS_CHANNEL_SWITCH; | |
98f44cb0 IM |
902 | |
903 | wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
904 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2; | |
905 | ||
906 | wiphy->available_antennas_tx = mac->macinfo.num_tx_chain; | |
907 | wiphy->available_antennas_rx = mac->macinfo.num_rx_chain; | |
908 | ||
909 | wiphy->max_ap_assoc_sta = mac->macinfo.max_ap_assoc_sta; | |
d42df85f IM |
910 | wiphy->ht_capa_mod_mask = &mac->macinfo.ht_cap_mod_mask; |
911 | wiphy->vht_capa_mod_mask = &mac->macinfo.vht_cap_mod_mask; | |
98f44cb0 IM |
912 | |
913 | ether_addr_copy(wiphy->perm_addr, mac->macaddr); | |
914 | ||
db5c6d4a IM |
915 | if (hw_info->hw_capab & QLINK_HW_CAPAB_STA_INACT_TIMEOUT) |
916 | wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; | |
917 | ||
918 | if (hw_info->hw_capab & QLINK_HW_CAPAB_REG_UPDATE) { | |
4dd07d2b SM |
919 | wiphy->regulatory_flags |= REGULATORY_STRICT_REG | |
920 | REGULATORY_CUSTOM_REG; | |
98f44cb0 | 921 | wiphy->reg_notifier = qtnf_cfg80211_reg_notifier; |
4dd07d2b | 922 | wiphy_apply_custom_regulatory(wiphy, hw_info->rd); |
98f44cb0 | 923 | } else { |
98f44cb0 IM |
924 | wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; |
925 | } | |
926 | ||
927 | ret = wiphy_register(wiphy); | |
ea19479f SM |
928 | if (ret < 0) |
929 | goto out; | |
930 | ||
931 | if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) | |
932 | ret = regulatory_set_wiphy_regd(wiphy, hw_info->rd); | |
933 | else if (isalpha(hw_info->rd->alpha2[0]) && | |
934 | isalpha(hw_info->rd->alpha2[1])) | |
935 | ret = regulatory_hint(wiphy, hw_info->rd->alpha2); | |
936 | ||
98f44cb0 | 937 | out: |
4dd07d2b | 938 | if (ret) { |
98f44cb0 IM |
939 | kfree(iface_comb); |
940 | return ret; | |
941 | } | |
942 | ||
943 | return 0; | |
944 | } | |
945 | ||
946 | void qtnf_netdev_updown(struct net_device *ndev, bool up) | |
947 | { | |
948 | struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); | |
949 | ||
950 | if (qtnf_cmd_send_updown_intf(vif, up)) | |
951 | pr_err("failed to send up/down command to FW\n"); | |
952 | } | |
953 | ||
954 | void qtnf_virtual_intf_cleanup(struct net_device *ndev) | |
955 | { | |
956 | struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); | |
4f8e2545 | 957 | struct qtnf_wmac *mac = wiphy_priv(vif->wdev.wiphy); |
98f44cb0 IM |
958 | |
959 | if (vif->wdev.iftype == NL80211_IFTYPE_STATION) { | |
960 | switch (vif->sta_state) { | |
961 | case QTNF_STA_DISCONNECTED: | |
962 | break; | |
963 | case QTNF_STA_CONNECTING: | |
964 | cfg80211_connect_result(vif->netdev, | |
9766d1dd | 965 | vif->bssid, NULL, 0, |
98f44cb0 IM |
966 | NULL, 0, |
967 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
968 | GFP_KERNEL); | |
969 | qtnf_disconnect(vif->wdev.wiphy, ndev, | |
970 | WLAN_REASON_DEAUTH_LEAVING); | |
971 | break; | |
972 | case QTNF_STA_CONNECTED: | |
973 | cfg80211_disconnected(vif->netdev, | |
974 | WLAN_REASON_DEAUTH_LEAVING, | |
975 | NULL, 0, 1, GFP_KERNEL); | |
976 | qtnf_disconnect(vif->wdev.wiphy, ndev, | |
977 | WLAN_REASON_DEAUTH_LEAVING); | |
978 | break; | |
979 | } | |
980 | ||
981 | vif->sta_state = QTNF_STA_DISCONNECTED; | |
98f44cb0 | 982 | } |
a715b3a0 SM |
983 | |
984 | qtnf_scan_done(mac, true); | |
98f44cb0 IM |
985 | } |
986 | ||
987 | void qtnf_cfg80211_vif_reset(struct qtnf_vif *vif) | |
988 | { | |
989 | if (vif->wdev.iftype == NL80211_IFTYPE_STATION) { | |
990 | switch (vif->sta_state) { | |
991 | case QTNF_STA_CONNECTING: | |
992 | cfg80211_connect_result(vif->netdev, | |
9766d1dd | 993 | vif->bssid, NULL, 0, |
98f44cb0 IM |
994 | NULL, 0, |
995 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
996 | GFP_KERNEL); | |
997 | break; | |
998 | case QTNF_STA_CONNECTED: | |
999 | cfg80211_disconnected(vif->netdev, | |
1000 | WLAN_REASON_DEAUTH_LEAVING, | |
1001 | NULL, 0, 1, GFP_KERNEL); | |
1002 | break; | |
1003 | case QTNF_STA_DISCONNECTED: | |
1004 | break; | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | cfg80211_shutdown_all_interfaces(vif->wdev.wiphy); | |
1009 | vif->sta_state = QTNF_STA_DISCONNECTED; | |
1010 | } | |
1011 | ||
1012 | void qtnf_band_init_rates(struct ieee80211_supported_band *band) | |
1013 | { | |
1014 | switch (band->band) { | |
1015 | case NL80211_BAND_2GHZ: | |
1016 | band->bitrates = qtnf_rates_2g; | |
1017 | band->n_bitrates = ARRAY_SIZE(qtnf_rates_2g); | |
1018 | break; | |
1019 | case NL80211_BAND_5GHZ: | |
1020 | band->bitrates = qtnf_rates_5g; | |
1021 | band->n_bitrates = ARRAY_SIZE(qtnf_rates_5g); | |
1022 | break; | |
1023 | default: | |
1024 | band->bitrates = NULL; | |
1025 | band->n_bitrates = 0; | |
1026 | break; | |
1027 | } | |
1028 | } |