Commit | Line | Data |
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5e6e3a92 BZ |
1 | /* |
2 | * Marvell Wireless LAN device driver: functions for station ioctl | |
3 | * | |
4 | * Copyright (C) 2011, Marvell International Ltd. | |
5 | * | |
6 | * This software file (the "File") is distributed by Marvell International | |
7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 | |
8 | * (the "License"). You may use, redistribute and/or modify this File in | |
9 | * accordance with the terms and conditions of the License, a copy of which | |
10 | * is available by writing to the Free Software Foundation, Inc., | |
11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the | |
12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. | |
13 | * | |
14 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE | |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE | |
16 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about | |
17 | * this warranty disclaimer. | |
18 | */ | |
19 | ||
20 | #include "decl.h" | |
21 | #include "ioctl.h" | |
22 | #include "util.h" | |
23 | #include "fw.h" | |
24 | #include "main.h" | |
25 | #include "wmm.h" | |
26 | #include "11n.h" | |
27 | #include "cfg80211.h" | |
28 | ||
29 | /* | |
30 | * Copies the multicast address list from device to driver. | |
31 | * | |
32 | * This function does not validate the destination memory for | |
33 | * size, and the calling function must ensure enough memory is | |
34 | * available. | |
35 | */ | |
600f5d90 AK |
36 | int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist, |
37 | struct net_device *dev) | |
5e6e3a92 BZ |
38 | { |
39 | int i = 0; | |
40 | struct netdev_hw_addr *ha; | |
41 | ||
42 | netdev_for_each_mc_addr(ha, dev) | |
43 | memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN); | |
44 | ||
45 | return i; | |
46 | } | |
47 | ||
5e6e3a92 BZ |
48 | /* |
49 | * Wait queue completion handler. | |
50 | * | |
600f5d90 AK |
51 | * This function waits on a cmd wait queue. It also cancels the pending |
52 | * request after waking up, in case of errors. | |
5e6e3a92 | 53 | */ |
600f5d90 | 54 | int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter) |
5e6e3a92 BZ |
55 | { |
56 | bool cancel_flag = false; | |
b7097eb7 | 57 | int status; |
b015dbc0 | 58 | struct cmd_ctrl_node *cmd_queued; |
5e6e3a92 | 59 | |
b015dbc0 AK |
60 | if (!adapter->cmd_queued) |
61 | return 0; | |
62 | ||
63 | cmd_queued = adapter->cmd_queued; | |
efaaa8b8 | 64 | adapter->cmd_queued = NULL; |
b015dbc0 | 65 | |
600f5d90 AK |
66 | dev_dbg(adapter->dev, "cmd pending\n"); |
67 | atomic_inc(&adapter->cmd_pending); | |
5e6e3a92 | 68 | |
600f5d90 AK |
69 | /* Status pending, wake up main process */ |
70 | queue_work(adapter->workqueue, &adapter->main_work); | |
5e6e3a92 | 71 | |
600f5d90 AK |
72 | /* Wait for completion */ |
73 | wait_event_interruptible(adapter->cmd_wait_q.wait, | |
500f747c | 74 | *(cmd_queued->condition)); |
efaaa8b8 | 75 | if (!*(cmd_queued->condition)) |
600f5d90 | 76 | cancel_flag = true; |
5e6e3a92 | 77 | |
600f5d90 AK |
78 | if (cancel_flag) { |
79 | mwifiex_cancel_pending_ioctl(adapter); | |
80 | dev_dbg(adapter->dev, "cmd cancel\n"); | |
5e6e3a92 | 81 | } |
b7097eb7 AK |
82 | |
83 | status = adapter->cmd_wait_q.status; | |
600f5d90 | 84 | adapter->cmd_wait_q.status = 0; |
5e6e3a92 | 85 | |
5e6e3a92 BZ |
86 | return status; |
87 | } | |
88 | ||
89 | /* | |
5e6e3a92 BZ |
90 | * This function prepares the correct firmware command and |
91 | * issues it to set the multicast list. | |
92 | * | |
93 | * This function can be used to enable promiscuous mode, or enable all | |
94 | * multicast packets, or to enable selective multicast. | |
95 | */ | |
600f5d90 AK |
96 | int mwifiex_request_set_multicast_list(struct mwifiex_private *priv, |
97 | struct mwifiex_multicast_list *mcast_list) | |
5e6e3a92 BZ |
98 | { |
99 | int ret = 0; | |
100 | u16 old_pkt_filter; | |
101 | ||
102 | old_pkt_filter = priv->curr_pkt_filter; | |
5e6e3a92 BZ |
103 | |
104 | if (mcast_list->mode == MWIFIEX_PROMISC_MODE) { | |
105 | dev_dbg(priv->adapter->dev, "info: Enable Promiscuous mode\n"); | |
106 | priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE; | |
107 | priv->curr_pkt_filter &= | |
108 | ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; | |
109 | } else { | |
110 | /* Multicast */ | |
111 | priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE; | |
112 | if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) { | |
113 | dev_dbg(priv->adapter->dev, | |
114 | "info: Enabling All Multicast!\n"); | |
115 | priv->curr_pkt_filter |= | |
116 | HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; | |
117 | } else { | |
118 | priv->curr_pkt_filter &= | |
119 | ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; | |
120 | if (mcast_list->num_multicast_addr) { | |
121 | dev_dbg(priv->adapter->dev, | |
122 | "info: Set multicast list=%d\n", | |
123 | mcast_list->num_multicast_addr); | |
124 | /* Set multicast addresses to firmware */ | |
125 | if (old_pkt_filter == priv->curr_pkt_filter) { | |
126 | /* Send request to firmware */ | |
600f5d90 | 127 | ret = mwifiex_send_cmd_async(priv, |
5e6e3a92 | 128 | HostCmd_CMD_MAC_MULTICAST_ADR, |
600f5d90 AK |
129 | HostCmd_ACT_GEN_SET, 0, |
130 | mcast_list); | |
5e6e3a92 BZ |
131 | } else { |
132 | /* Send request to firmware */ | |
600f5d90 | 133 | ret = mwifiex_send_cmd_async(priv, |
5e6e3a92 | 134 | HostCmd_CMD_MAC_MULTICAST_ADR, |
600f5d90 | 135 | HostCmd_ACT_GEN_SET, 0, |
5e6e3a92 BZ |
136 | mcast_list); |
137 | } | |
138 | } | |
139 | } | |
140 | } | |
141 | dev_dbg(priv->adapter->dev, | |
142 | "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n", | |
143 | old_pkt_filter, priv->curr_pkt_filter); | |
144 | if (old_pkt_filter != priv->curr_pkt_filter) { | |
600f5d90 AK |
145 | ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL, |
146 | HostCmd_ACT_GEN_SET, | |
147 | 0, &priv->curr_pkt_filter); | |
5e6e3a92 BZ |
148 | } |
149 | ||
150 | return ret; | |
151 | } | |
152 | ||
7c6fa2a8 AK |
153 | /* |
154 | * This function fills bss descriptor structure using provided | |
155 | * information. | |
156 | */ | |
157 | int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv, | |
158 | u8 *bssid, s32 rssi, u8 *ie_buf, | |
159 | size_t ie_len, u16 beacon_period, | |
5116f3ce | 160 | u16 cap_info_bitmap, u8 band, |
7c6fa2a8 AK |
161 | struct mwifiex_bssdescriptor *bss_desc) |
162 | { | |
163 | int ret; | |
164 | ||
165 | memcpy(bss_desc->mac_address, bssid, ETH_ALEN); | |
166 | bss_desc->rssi = rssi; | |
167 | bss_desc->beacon_buf = ie_buf; | |
168 | bss_desc->beacon_buf_size = ie_len; | |
169 | bss_desc->beacon_period = beacon_period; | |
170 | bss_desc->cap_info_bitmap = cap_info_bitmap; | |
5116f3ce | 171 | bss_desc->bss_band = band; |
7c6fa2a8 AK |
172 | if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) { |
173 | dev_dbg(priv->adapter->dev, "info: InterpretIE: AP WEP enabled\n"); | |
174 | bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP; | |
175 | } else { | |
176 | bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL; | |
177 | } | |
178 | if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS) | |
179 | bss_desc->bss_mode = NL80211_IFTYPE_ADHOC; | |
180 | else | |
181 | bss_desc->bss_mode = NL80211_IFTYPE_STATION; | |
182 | ||
183 | ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc, | |
184 | ie_buf, ie_len); | |
185 | ||
186 | return ret; | |
187 | } | |
188 | ||
5e6e3a92 | 189 | /* |
5e6e3a92 BZ |
190 | * In Ad-Hoc mode, the IBSS is created if not found in scan list. |
191 | * In both Ad-Hoc and infra mode, an deauthentication is performed | |
192 | * first. | |
193 | */ | |
7c6fa2a8 | 194 | int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, |
b9be5f39 | 195 | struct cfg80211_ssid *req_ssid) |
5e6e3a92 | 196 | { |
270e58e8 | 197 | int ret; |
5e6e3a92 | 198 | struct mwifiex_adapter *adapter = priv->adapter; |
7c6fa2a8 AK |
199 | struct mwifiex_bssdescriptor *bss_desc = NULL; |
200 | u8 *beacon_ie = NULL; | |
5e6e3a92 BZ |
201 | |
202 | priv->scan_block = false; | |
7c6fa2a8 AK |
203 | |
204 | if (bss) { | |
205 | /* Allocate and fill new bss descriptor */ | |
206 | bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor), | |
207 | GFP_KERNEL); | |
208 | if (!bss_desc) { | |
209 | dev_err(priv->adapter->dev, " failed to alloc bss_desc\n"); | |
210 | return -ENOMEM; | |
211 | } | |
5982b47a YAP |
212 | |
213 | beacon_ie = kmemdup(bss->information_elements, | |
214 | bss->len_beacon_ies, GFP_KERNEL); | |
7c6fa2a8 | 215 | if (!beacon_ie) { |
aef0ba54 | 216 | kfree(bss_desc); |
5982b47a | 217 | dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n"); |
7c6fa2a8 AK |
218 | return -ENOMEM; |
219 | } | |
5982b47a | 220 | |
7c6fa2a8 AK |
221 | ret = mwifiex_fill_new_bss_desc(priv, bss->bssid, bss->signal, |
222 | beacon_ie, bss->len_beacon_ies, | |
223 | bss->beacon_interval, | |
5116f3ce AK |
224 | bss->capability, |
225 | *(u8 *)bss->priv, bss_desc); | |
7c6fa2a8 AK |
226 | if (ret) |
227 | goto done; | |
228 | } | |
5e6e3a92 | 229 | |
eecd8250 | 230 | if (priv->bss_mode == NL80211_IFTYPE_STATION) { |
5e6e3a92 | 231 | /* Infra mode */ |
600f5d90 | 232 | ret = mwifiex_deauthenticate(priv, NULL); |
5e6e3a92 | 233 | if (ret) |
7c6fa2a8 AK |
234 | goto done; |
235 | ||
236 | ret = mwifiex_check_network_compatibility(priv, bss_desc); | |
237 | if (ret) | |
238 | goto done; | |
5e6e3a92 | 239 | |
7c6fa2a8 AK |
240 | dev_dbg(adapter->dev, "info: SSID found in scan list ... " |
241 | "associating...\n"); | |
242 | ||
243 | if (!netif_queue_stopped(priv->netdev)) | |
bbea3bc4 | 244 | mwifiex_stop_net_dev_queue(priv->netdev, adapter); |
b7097eb7 AK |
245 | if (netif_carrier_ok(priv->netdev)) |
246 | netif_carrier_off(priv->netdev); | |
5e6e3a92 BZ |
247 | |
248 | /* Clear any past association response stored for | |
249 | * application retrieval */ | |
250 | priv->assoc_rsp_size = 0; | |
7c6fa2a8 | 251 | ret = mwifiex_associate(priv, bss_desc); |
a0f6d6ca AK |
252 | |
253 | /* If auth type is auto and association fails using open mode, | |
254 | * try to connect using shared mode */ | |
255 | if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG && | |
256 | priv->sec_info.is_authtype_auto && | |
257 | priv->sec_info.wep_enabled) { | |
258 | priv->sec_info.authentication_mode = | |
259 | NL80211_AUTHTYPE_SHARED_KEY; | |
260 | ret = mwifiex_associate(priv, bss_desc); | |
261 | } | |
262 | ||
7c6fa2a8 AK |
263 | if (bss) |
264 | cfg80211_put_bss(bss); | |
5e6e3a92 BZ |
265 | } else { |
266 | /* Adhoc mode */ | |
267 | /* If the requested SSID matches current SSID, return */ | |
7c6fa2a8 | 268 | if (bss_desc && bss_desc->ssid.ssid_len && |
500f747c YAP |
269 | (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor. |
270 | ssid, &bss_desc->ssid))) { | |
7c6fa2a8 AK |
271 | kfree(bss_desc); |
272 | kfree(beacon_ie); | |
5e6e3a92 | 273 | return 0; |
7c6fa2a8 | 274 | } |
5e6e3a92 BZ |
275 | |
276 | /* Exit Adhoc mode first */ | |
277 | dev_dbg(adapter->dev, "info: Sending Adhoc Stop\n"); | |
600f5d90 | 278 | ret = mwifiex_deauthenticate(priv, NULL); |
5e6e3a92 | 279 | if (ret) |
7c6fa2a8 | 280 | goto done; |
5e6e3a92 BZ |
281 | |
282 | priv->adhoc_is_link_sensed = false; | |
283 | ||
7c6fa2a8 AK |
284 | ret = mwifiex_check_network_compatibility(priv, bss_desc); |
285 | ||
286 | if (!netif_queue_stopped(priv->netdev)) | |
bbea3bc4 | 287 | mwifiex_stop_net_dev_queue(priv->netdev, adapter); |
b7097eb7 AK |
288 | if (netif_carrier_ok(priv->netdev)) |
289 | netif_carrier_off(priv->netdev); | |
7c6fa2a8 AK |
290 | |
291 | if (!ret) { | |
5e6e3a92 BZ |
292 | dev_dbg(adapter->dev, "info: network found in scan" |
293 | " list. Joining...\n"); | |
7c6fa2a8 AK |
294 | ret = mwifiex_adhoc_join(priv, bss_desc); |
295 | if (bss) | |
296 | cfg80211_put_bss(bss); | |
636c4598 | 297 | } else { |
5e6e3a92 BZ |
298 | dev_dbg(adapter->dev, "info: Network not found in " |
299 | "the list, creating adhoc with ssid = %s\n", | |
7c6fa2a8 AK |
300 | req_ssid->ssid); |
301 | ret = mwifiex_adhoc_start(priv, req_ssid); | |
5e6e3a92 BZ |
302 | } |
303 | } | |
304 | ||
7c6fa2a8 AK |
305 | done: |
306 | kfree(bss_desc); | |
307 | kfree(beacon_ie); | |
5e6e3a92 BZ |
308 | return ret; |
309 | } | |
310 | ||
5e6e3a92 BZ |
311 | /* |
312 | * IOCTL request handler to set host sleep configuration. | |
313 | * | |
314 | * This function prepares the correct firmware command and | |
315 | * issues it. | |
316 | */ | |
711825a0 AK |
317 | static int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action, |
318 | int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg) | |
600f5d90 | 319 | |
5e6e3a92 BZ |
320 | { |
321 | struct mwifiex_adapter *adapter = priv->adapter; | |
322 | int status = 0; | |
323 | u32 prev_cond = 0; | |
324 | ||
600f5d90 AK |
325 | if (!hs_cfg) |
326 | return -ENOMEM; | |
327 | ||
5e6e3a92 BZ |
328 | switch (action) { |
329 | case HostCmd_ACT_GEN_SET: | |
330 | if (adapter->pps_uapsd_mode) { | |
331 | dev_dbg(adapter->dev, "info: Host Sleep IOCTL" | |
332 | " is blocked in UAPSD/PPS mode\n"); | |
333 | status = -1; | |
334 | break; | |
335 | } | |
336 | if (hs_cfg->is_invoke_hostcmd) { | |
337 | if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL) { | |
338 | if (!adapter->is_hs_configured) | |
339 | /* Already cancelled */ | |
340 | break; | |
341 | /* Save previous condition */ | |
342 | prev_cond = le32_to_cpu(adapter->hs_cfg | |
343 | .conditions); | |
344 | adapter->hs_cfg.conditions = | |
345 | cpu_to_le32(hs_cfg->conditions); | |
346 | } else if (hs_cfg->conditions) { | |
347 | adapter->hs_cfg.conditions = | |
348 | cpu_to_le32(hs_cfg->conditions); | |
349 | adapter->hs_cfg.gpio = (u8)hs_cfg->gpio; | |
350 | if (hs_cfg->gap) | |
351 | adapter->hs_cfg.gap = (u8)hs_cfg->gap; | |
500f747c YAP |
352 | } else if (adapter->hs_cfg.conditions |
353 | == cpu_to_le32(HOST_SLEEP_CFG_CANCEL)) { | |
5e6e3a92 BZ |
354 | /* Return failure if no parameters for HS |
355 | enable */ | |
356 | status = -1; | |
357 | break; | |
358 | } | |
600f5d90 AK |
359 | if (cmd_type == MWIFIEX_SYNC_CMD) |
360 | status = mwifiex_send_cmd_sync(priv, | |
361 | HostCmd_CMD_802_11_HS_CFG_ENH, | |
362 | HostCmd_ACT_GEN_SET, 0, | |
363 | &adapter->hs_cfg); | |
364 | else | |
365 | status = mwifiex_send_cmd_async(priv, | |
366 | HostCmd_CMD_802_11_HS_CFG_ENH, | |
367 | HostCmd_ACT_GEN_SET, 0, | |
368 | &adapter->hs_cfg); | |
5e6e3a92 BZ |
369 | if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL) |
370 | /* Restore previous condition */ | |
371 | adapter->hs_cfg.conditions = | |
372 | cpu_to_le32(prev_cond); | |
373 | } else { | |
374 | adapter->hs_cfg.conditions = | |
500f747c | 375 | cpu_to_le32(hs_cfg->conditions); |
5e6e3a92 BZ |
376 | adapter->hs_cfg.gpio = (u8)hs_cfg->gpio; |
377 | adapter->hs_cfg.gap = (u8)hs_cfg->gap; | |
378 | } | |
379 | break; | |
380 | case HostCmd_ACT_GEN_GET: | |
381 | hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions); | |
382 | hs_cfg->gpio = adapter->hs_cfg.gpio; | |
383 | hs_cfg->gap = adapter->hs_cfg.gap; | |
384 | break; | |
385 | default: | |
386 | status = -1; | |
387 | break; | |
388 | } | |
389 | ||
390 | return status; | |
391 | } | |
392 | ||
5e6e3a92 BZ |
393 | /* |
394 | * Sends IOCTL request to cancel the existing Host Sleep configuration. | |
395 | * | |
396 | * This function allocates the IOCTL request buffer, fills it | |
397 | * with requisite parameters and calls the IOCTL handler. | |
398 | */ | |
600f5d90 | 399 | int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type) |
5e6e3a92 | 400 | { |
5e6e3a92 BZ |
401 | struct mwifiex_ds_hs_cfg hscfg; |
402 | ||
5e6e3a92 BZ |
403 | hscfg.conditions = HOST_SLEEP_CFG_CANCEL; |
404 | hscfg.is_invoke_hostcmd = true; | |
5e6e3a92 | 405 | |
636c4598 YAP |
406 | return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET, |
407 | cmd_type, &hscfg); | |
5e6e3a92 BZ |
408 | } |
409 | EXPORT_SYMBOL_GPL(mwifiex_cancel_hs); | |
410 | ||
411 | /* | |
412 | * Sends IOCTL request to cancel the existing Host Sleep configuration. | |
413 | * | |
414 | * This function allocates the IOCTL request buffer, fills it | |
415 | * with requisite parameters and calls the IOCTL handler. | |
416 | */ | |
417 | int mwifiex_enable_hs(struct mwifiex_adapter *adapter) | |
418 | { | |
419 | struct mwifiex_ds_hs_cfg hscfg; | |
420 | ||
421 | if (adapter->hs_activated) { | |
422 | dev_dbg(adapter->dev, "cmd: HS Already actived\n"); | |
423 | return true; | |
424 | } | |
425 | ||
5e6e3a92 BZ |
426 | adapter->hs_activate_wait_q_woken = false; |
427 | ||
b093863e | 428 | memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg)); |
5e6e3a92 BZ |
429 | hscfg.is_invoke_hostcmd = true; |
430 | ||
431 | if (mwifiex_set_hs_params(mwifiex_get_priv(adapter, | |
500f747c | 432 | MWIFIEX_BSS_ROLE_STA), |
600f5d90 AK |
433 | HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD, |
434 | &hscfg)) { | |
5e6e3a92 BZ |
435 | dev_err(adapter->dev, "IOCTL request HS enable failed\n"); |
436 | return false; | |
437 | } | |
438 | ||
439 | wait_event_interruptible(adapter->hs_activate_wait_q, | |
500f747c | 440 | adapter->hs_activate_wait_q_woken); |
5e6e3a92 BZ |
441 | |
442 | return true; | |
443 | } | |
444 | EXPORT_SYMBOL_GPL(mwifiex_enable_hs); | |
445 | ||
5e6e3a92 BZ |
446 | /* |
447 | * IOCTL request handler to get BSS information. | |
448 | * | |
449 | * This function collates the information from different driver structures | |
450 | * to send to the user. | |
451 | */ | |
452 | int mwifiex_get_bss_info(struct mwifiex_private *priv, | |
453 | struct mwifiex_bss_info *info) | |
454 | { | |
455 | struct mwifiex_adapter *adapter = priv->adapter; | |
456 | struct mwifiex_bssdescriptor *bss_desc; | |
5e6e3a92 BZ |
457 | |
458 | if (!info) | |
459 | return -1; | |
460 | ||
5e6e3a92 BZ |
461 | bss_desc = &priv->curr_bss_params.bss_descriptor; |
462 | ||
5e6e3a92 BZ |
463 | info->bss_mode = priv->bss_mode; |
464 | ||
b9be5f39 | 465 | memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid)); |
5e6e3a92 | 466 | |
5e6e3a92 BZ |
467 | memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN); |
468 | ||
5e6e3a92 BZ |
469 | info->bss_chan = bss_desc->channel; |
470 | ||
5e6e3a92 BZ |
471 | info->region_code = adapter->region_code; |
472 | ||
5e6e3a92 BZ |
473 | info->media_connected = priv->media_connected; |
474 | ||
5e6e3a92 BZ |
475 | info->max_power_level = priv->max_tx_power_level; |
476 | info->min_power_level = priv->min_tx_power_level; | |
477 | ||
5e6e3a92 BZ |
478 | info->adhoc_state = priv->adhoc_state; |
479 | ||
5e6e3a92 BZ |
480 | info->bcn_nf_last = priv->bcn_nf_last; |
481 | ||
5eb02e44 | 482 | if (priv->sec_info.wep_enabled) |
5e6e3a92 BZ |
483 | info->wep_status = true; |
484 | else | |
485 | info->wep_status = false; | |
486 | ||
487 | info->is_hs_configured = adapter->is_hs_configured; | |
488 | info->is_deep_sleep = adapter->is_deep_sleep; | |
489 | ||
490 | return 0; | |
491 | } | |
492 | ||
a0490936 AK |
493 | /* |
494 | * The function disables auto deep sleep mode. | |
495 | */ | |
496 | int mwifiex_disable_auto_ds(struct mwifiex_private *priv) | |
497 | { | |
498 | struct mwifiex_ds_auto_ds auto_ds; | |
499 | ||
500 | auto_ds.auto_ds = DEEP_SLEEP_OFF; | |
501 | ||
502 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH, | |
503 | DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds); | |
504 | } | |
505 | EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds); | |
506 | ||
5e6e3a92 BZ |
507 | /* |
508 | * IOCTL request handler to set/get active channel. | |
509 | * | |
510 | * This function performs validity checking on channel/frequency | |
511 | * compatibility and returns failure if not valid. | |
512 | */ | |
600f5d90 AK |
513 | int mwifiex_bss_set_channel(struct mwifiex_private *priv, |
514 | struct mwifiex_chan_freq_power *chan) | |
5e6e3a92 BZ |
515 | { |
516 | struct mwifiex_adapter *adapter = priv->adapter; | |
517 | struct mwifiex_chan_freq_power *cfp = NULL; | |
518 | ||
519 | if (!chan) | |
520 | return -1; | |
521 | ||
5e6e3a92 BZ |
522 | if (!chan->channel && !chan->freq) |
523 | return -1; | |
524 | if (adapter->adhoc_start_band & BAND_AN) | |
525 | adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN; | |
526 | else if (adapter->adhoc_start_band & BAND_A) | |
527 | adapter->adhoc_start_band = BAND_G | BAND_B; | |
528 | if (chan->channel) { | |
529 | if (chan->channel <= MAX_CHANNEL_BAND_BG) | |
6685d109 | 530 | cfp = mwifiex_get_cfp(priv, 0, (u16) chan->channel, 0); |
5e6e3a92 | 531 | if (!cfp) { |
6685d109 YAP |
532 | cfp = mwifiex_get_cfp(priv, BAND_A, |
533 | (u16) chan->channel, 0); | |
5e6e3a92 BZ |
534 | if (cfp) { |
535 | if (adapter->adhoc_11n_enabled) | |
536 | adapter->adhoc_start_band = BAND_A | |
500f747c | 537 | | BAND_AN; |
5e6e3a92 BZ |
538 | else |
539 | adapter->adhoc_start_band = BAND_A; | |
540 | } | |
541 | } | |
542 | } else { | |
543 | if (chan->freq <= MAX_FREQUENCY_BAND_BG) | |
6685d109 | 544 | cfp = mwifiex_get_cfp(priv, 0, 0, chan->freq); |
5e6e3a92 | 545 | if (!cfp) { |
6685d109 | 546 | cfp = mwifiex_get_cfp(priv, BAND_A, 0, chan->freq); |
5e6e3a92 BZ |
547 | if (cfp) { |
548 | if (adapter->adhoc_11n_enabled) | |
549 | adapter->adhoc_start_band = BAND_A | |
500f747c | 550 | | BAND_AN; |
5e6e3a92 BZ |
551 | else |
552 | adapter->adhoc_start_band = BAND_A; | |
553 | } | |
554 | } | |
555 | } | |
556 | if (!cfp || !cfp->channel) { | |
557 | dev_err(adapter->dev, "invalid channel/freq\n"); | |
558 | return -1; | |
559 | } | |
560 | priv->adhoc_channel = (u8) cfp->channel; | |
561 | chan->channel = cfp->channel; | |
562 | chan->freq = cfp->freq; | |
563 | ||
564 | return 0; | |
565 | } | |
566 | ||
5e6e3a92 BZ |
567 | /* |
568 | * IOCTL request handler to set/get Ad-Hoc channel. | |
569 | * | |
570 | * This function prepares the correct firmware command and | |
571 | * issues it to set or get the ad-hoc channel. | |
572 | */ | |
573 | static int mwifiex_bss_ioctl_ibss_channel(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
574 | u16 action, u16 *channel) |
575 | { | |
5e6e3a92 BZ |
576 | if (action == HostCmd_ACT_GEN_GET) { |
577 | if (!priv->media_connected) { | |
578 | *channel = priv->adhoc_channel; | |
636c4598 | 579 | return 0; |
5e6e3a92 BZ |
580 | } |
581 | } else { | |
582 | priv->adhoc_channel = (u8) *channel; | |
583 | } | |
584 | ||
636c4598 | 585 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_RF_CHANNEL, |
500f747c | 586 | action, 0, channel); |
5e6e3a92 BZ |
587 | } |
588 | ||
5e6e3a92 BZ |
589 | /* |
590 | * IOCTL request handler to change Ad-Hoc channel. | |
591 | * | |
592 | * This function allocates the IOCTL request buffer, fills it | |
593 | * with requisite parameters and calls the IOCTL handler. | |
594 | * | |
595 | * The function follows the following steps to perform the change - | |
596 | * - Get current IBSS information | |
597 | * - Get current channel | |
598 | * - If no change is required, return | |
599 | * - If not connected, change channel and return | |
600 | * - If connected, | |
601 | * - Disconnect | |
602 | * - Change channel | |
603 | * - Perform specific SSID scan with same SSID | |
604 | * - Start/Join the IBSS | |
605 | */ | |
606 | int | |
380aeef8 | 607 | mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, u16 channel) |
5e6e3a92 | 608 | { |
270e58e8 | 609 | int ret; |
5e6e3a92 | 610 | struct mwifiex_bss_info bss_info; |
5e6e3a92 BZ |
611 | struct mwifiex_ssid_bssid ssid_bssid; |
612 | u16 curr_chan = 0; | |
7c6fa2a8 AK |
613 | struct cfg80211_bss *bss = NULL; |
614 | struct ieee80211_channel *chan; | |
4ed5d521 | 615 | enum ieee80211_band band; |
5e6e3a92 BZ |
616 | |
617 | memset(&bss_info, 0, sizeof(bss_info)); | |
618 | ||
619 | /* Get BSS information */ | |
620 | if (mwifiex_get_bss_info(priv, &bss_info)) | |
621 | return -1; | |
622 | ||
5e6e3a92 | 623 | /* Get current channel */ |
600f5d90 AK |
624 | ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_GET, |
625 | &curr_chan); | |
5e6e3a92 | 626 | |
5e6e3a92 BZ |
627 | if (curr_chan == channel) { |
628 | ret = 0; | |
629 | goto done; | |
630 | } | |
631 | dev_dbg(priv->adapter->dev, "cmd: updating channel from %d to %d\n", | |
500f747c | 632 | curr_chan, channel); |
5e6e3a92 BZ |
633 | |
634 | if (!bss_info.media_connected) { | |
635 | ret = 0; | |
636 | goto done; | |
637 | } | |
638 | ||
639 | /* Do disonnect */ | |
640 | memset(&ssid_bssid, 0, ETH_ALEN); | |
600f5d90 | 641 | ret = mwifiex_deauthenticate(priv, ssid_bssid.bssid); |
5e6e3a92 | 642 | |
600f5d90 | 643 | ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_SET, |
380aeef8 | 644 | &channel); |
5e6e3a92 BZ |
645 | |
646 | /* Do specific SSID scanning */ | |
600f5d90 | 647 | if (mwifiex_request_scan(priv, &bss_info.ssid)) { |
5e6e3a92 BZ |
648 | ret = -1; |
649 | goto done; | |
650 | } | |
5e6e3a92 | 651 | |
4ed5d521 | 652 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
7c6fa2a8 | 653 | chan = __ieee80211_get_channel(priv->wdev->wiphy, |
500f747c YAP |
654 | ieee80211_channel_to_frequency(channel, |
655 | band)); | |
7c6fa2a8 AK |
656 | |
657 | /* Find the BSS we want using available scan results */ | |
658 | bss = cfg80211_get_bss(priv->wdev->wiphy, chan, bss_info.bssid, | |
659 | bss_info.ssid.ssid, bss_info.ssid.ssid_len, | |
660 | WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); | |
661 | if (!bss) | |
662 | wiphy_warn(priv->wdev->wiphy, "assoc: bss %pM not in scan results\n", | |
500f747c | 663 | bss_info.bssid); |
7c6fa2a8 AK |
664 | |
665 | ret = mwifiex_bss_start(priv, bss, &bss_info.ssid); | |
5e6e3a92 | 666 | done: |
5e6e3a92 BZ |
667 | return ret; |
668 | } | |
669 | ||
5e6e3a92 BZ |
670 | /* |
671 | * IOCTL request handler to get rate. | |
672 | * | |
673 | * This function prepares the correct firmware command and | |
674 | * issues it to get the current rate if it is connected, | |
675 | * otherwise, the function returns the lowest supported rate | |
676 | * for the band. | |
677 | */ | |
678 | static int mwifiex_rate_ioctl_get_rate_value(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
679 | struct mwifiex_rate_cfg *rate_cfg) |
680 | { | |
5e6e3a92 | 681 | rate_cfg->is_rate_auto = priv->is_data_rate_auto; |
cbaaf592 AK |
682 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_TX_RATE_QUERY, |
683 | HostCmd_ACT_GEN_GET, 0, NULL); | |
5e6e3a92 BZ |
684 | } |
685 | ||
686 | /* | |
687 | * IOCTL request handler to set rate. | |
688 | * | |
689 | * This function prepares the correct firmware command and | |
690 | * issues it to set the current rate. | |
691 | * | |
692 | * The function also performs validation checking on the supplied value. | |
693 | */ | |
694 | static int mwifiex_rate_ioctl_set_rate_value(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
695 | struct mwifiex_rate_cfg *rate_cfg) |
696 | { | |
697 | u8 rates[MWIFIEX_SUPPORTED_RATES]; | |
270e58e8 YAP |
698 | u8 *rate; |
699 | int rate_index, ret; | |
5e6e3a92 | 700 | u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; |
270e58e8 | 701 | u32 i; |
5e6e3a92 BZ |
702 | struct mwifiex_adapter *adapter = priv->adapter; |
703 | ||
704 | if (rate_cfg->is_rate_auto) { | |
705 | memset(bitmap_rates, 0, sizeof(bitmap_rates)); | |
706 | /* Support all HR/DSSS rates */ | |
707 | bitmap_rates[0] = 0x000F; | |
708 | /* Support all OFDM rates */ | |
709 | bitmap_rates[1] = 0x00FF; | |
710 | /* Support all HT-MCSs rate */ | |
711 | for (i = 0; i < ARRAY_SIZE(priv->bitmap_rates) - 3; i++) | |
712 | bitmap_rates[i + 2] = 0xFFFF; | |
713 | bitmap_rates[9] = 0x3FFF; | |
714 | } else { | |
715 | memset(rates, 0, sizeof(rates)); | |
716 | mwifiex_get_active_data_rates(priv, rates); | |
717 | rate = rates; | |
718 | for (i = 0; (rate[i] && i < MWIFIEX_SUPPORTED_RATES); i++) { | |
719 | dev_dbg(adapter->dev, "info: rate=%#x wanted=%#x\n", | |
720 | rate[i], rate_cfg->rate); | |
721 | if ((rate[i] & 0x7f) == (rate_cfg->rate & 0x7f)) | |
722 | break; | |
723 | } | |
3d82de0f | 724 | if ((i == MWIFIEX_SUPPORTED_RATES) || !rate[i]) { |
5e6e3a92 BZ |
725 | dev_err(adapter->dev, "fixed data rate %#x is out " |
726 | "of range\n", rate_cfg->rate); | |
727 | return -1; | |
728 | } | |
729 | memset(bitmap_rates, 0, sizeof(bitmap_rates)); | |
730 | ||
572e8f3e | 731 | rate_index = mwifiex_data_rate_to_index(rate_cfg->rate); |
5e6e3a92 BZ |
732 | |
733 | /* Only allow b/g rates to be set */ | |
734 | if (rate_index >= MWIFIEX_RATE_INDEX_HRDSSS0 && | |
735 | rate_index <= MWIFIEX_RATE_INDEX_HRDSSS3) { | |
736 | bitmap_rates[0] = 1 << rate_index; | |
737 | } else { | |
738 | rate_index -= 1; /* There is a 0x00 in the table */ | |
739 | if (rate_index >= MWIFIEX_RATE_INDEX_OFDM0 && | |
740 | rate_index <= MWIFIEX_RATE_INDEX_OFDM7) | |
741 | bitmap_rates[1] = 1 << (rate_index - | |
742 | MWIFIEX_RATE_INDEX_OFDM0); | |
743 | } | |
744 | } | |
745 | ||
600f5d90 AK |
746 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG, |
747 | HostCmd_ACT_GEN_SET, 0, bitmap_rates); | |
5e6e3a92 BZ |
748 | |
749 | return ret; | |
750 | } | |
751 | ||
752 | /* | |
753 | * IOCTL request handler to set/get rate. | |
754 | * | |
755 | * This function can be used to set/get either the rate value or the | |
756 | * rate index. | |
757 | */ | |
758 | static int mwifiex_rate_ioctl_cfg(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
759 | struct mwifiex_rate_cfg *rate_cfg) |
760 | { | |
270e58e8 | 761 | int status; |
5e6e3a92 BZ |
762 | |
763 | if (!rate_cfg) | |
764 | return -1; | |
765 | ||
766 | if (rate_cfg->action == HostCmd_ACT_GEN_GET) | |
600f5d90 | 767 | status = mwifiex_rate_ioctl_get_rate_value(priv, rate_cfg); |
5e6e3a92 | 768 | else |
600f5d90 | 769 | status = mwifiex_rate_ioctl_set_rate_value(priv, rate_cfg); |
5e6e3a92 BZ |
770 | |
771 | return status; | |
772 | } | |
773 | ||
774 | /* | |
775 | * Sends IOCTL request to get the data rate. | |
776 | * | |
777 | * This function allocates the IOCTL request buffer, fills it | |
778 | * with requisite parameters and calls the IOCTL handler. | |
779 | */ | |
780 | int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, | |
781 | struct mwifiex_rate_cfg *rate) | |
782 | { | |
270e58e8 | 783 | int ret; |
5e6e3a92 BZ |
784 | |
785 | memset(rate, 0, sizeof(struct mwifiex_rate_cfg)); | |
786 | rate->action = HostCmd_ACT_GEN_GET; | |
600f5d90 | 787 | ret = mwifiex_rate_ioctl_cfg(priv, rate); |
5e6e3a92 | 788 | |
5e6e3a92 | 789 | if (!ret) { |
49753128 | 790 | if (rate->is_rate_auto) |
e3bea1c8 | 791 | rate->rate = mwifiex_index_to_data_rate(priv, |
500f747c YAP |
792 | priv->tx_rate, |
793 | priv->tx_htinfo | |
794 | ); | |
49753128 | 795 | else |
5e6e3a92 BZ |
796 | rate->rate = priv->data_rate; |
797 | } else { | |
798 | ret = -1; | |
799 | } | |
800 | ||
5e6e3a92 BZ |
801 | return ret; |
802 | } | |
803 | ||
804 | /* | |
805 | * IOCTL request handler to set tx power configuration. | |
806 | * | |
807 | * This function prepares the correct firmware command and | |
808 | * issues it. | |
809 | * | |
810 | * For non-auto power mode, all the following power groups are set - | |
811 | * - Modulation class HR/DSSS | |
812 | * - Modulation class OFDM | |
813 | * - Modulation class HTBW20 | |
814 | * - Modulation class HTBW40 | |
815 | */ | |
600f5d90 AK |
816 | int mwifiex_set_tx_power(struct mwifiex_private *priv, |
817 | struct mwifiex_power_cfg *power_cfg) | |
5e6e3a92 | 818 | { |
270e58e8 YAP |
819 | int ret; |
820 | struct host_cmd_ds_txpwr_cfg *txp_cfg; | |
821 | struct mwifiex_types_power_group *pg_tlv; | |
822 | struct mwifiex_power_group *pg; | |
823 | u8 *buf; | |
5e6e3a92 BZ |
824 | u16 dbm = 0; |
825 | ||
826 | if (!power_cfg->is_power_auto) { | |
827 | dbm = (u16) power_cfg->power_level; | |
828 | if ((dbm < priv->min_tx_power_level) || | |
829 | (dbm > priv->max_tx_power_level)) { | |
830 | dev_err(priv->adapter->dev, "txpower value %d dBm" | |
500f747c YAP |
831 | " is out of range (%d dBm-%d dBm)\n", |
832 | dbm, priv->min_tx_power_level, | |
833 | priv->max_tx_power_level); | |
5e6e3a92 BZ |
834 | return -1; |
835 | } | |
836 | } | |
837 | buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL); | |
838 | if (!buf) { | |
839 | dev_err(priv->adapter->dev, "%s: failed to alloc cmd buffer\n", | |
500f747c | 840 | __func__); |
b53575ec | 841 | return -ENOMEM; |
5e6e3a92 BZ |
842 | } |
843 | ||
844 | txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf; | |
845 | txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET); | |
846 | if (!power_cfg->is_power_auto) { | |
847 | txp_cfg->mode = cpu_to_le32(1); | |
500f747c YAP |
848 | pg_tlv = (struct mwifiex_types_power_group *) |
849 | (buf + sizeof(struct host_cmd_ds_txpwr_cfg)); | |
5e6e3a92 BZ |
850 | pg_tlv->type = TLV_TYPE_POWER_GROUP; |
851 | pg_tlv->length = 4 * sizeof(struct mwifiex_power_group); | |
500f747c YAP |
852 | pg = (struct mwifiex_power_group *) |
853 | (buf + sizeof(struct host_cmd_ds_txpwr_cfg) | |
854 | + sizeof(struct mwifiex_types_power_group)); | |
5e6e3a92 BZ |
855 | /* Power group for modulation class HR/DSSS */ |
856 | pg->first_rate_code = 0x00; | |
857 | pg->last_rate_code = 0x03; | |
858 | pg->modulation_class = MOD_CLASS_HR_DSSS; | |
859 | pg->power_step = 0; | |
860 | pg->power_min = (s8) dbm; | |
861 | pg->power_max = (s8) dbm; | |
862 | pg++; | |
863 | /* Power group for modulation class OFDM */ | |
864 | pg->first_rate_code = 0x00; | |
865 | pg->last_rate_code = 0x07; | |
866 | pg->modulation_class = MOD_CLASS_OFDM; | |
867 | pg->power_step = 0; | |
868 | pg->power_min = (s8) dbm; | |
869 | pg->power_max = (s8) dbm; | |
870 | pg++; | |
871 | /* Power group for modulation class HTBW20 */ | |
872 | pg->first_rate_code = 0x00; | |
873 | pg->last_rate_code = 0x20; | |
874 | pg->modulation_class = MOD_CLASS_HT; | |
875 | pg->power_step = 0; | |
876 | pg->power_min = (s8) dbm; | |
877 | pg->power_max = (s8) dbm; | |
878 | pg->ht_bandwidth = HT_BW_20; | |
879 | pg++; | |
880 | /* Power group for modulation class HTBW40 */ | |
881 | pg->first_rate_code = 0x00; | |
882 | pg->last_rate_code = 0x20; | |
883 | pg->modulation_class = MOD_CLASS_HT; | |
884 | pg->power_step = 0; | |
885 | pg->power_min = (s8) dbm; | |
886 | pg->power_max = (s8) dbm; | |
887 | pg->ht_bandwidth = HT_BW_40; | |
888 | } | |
600f5d90 AK |
889 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TXPWR_CFG, |
890 | HostCmd_ACT_GEN_SET, 0, buf); | |
5e6e3a92 | 891 | |
600f5d90 | 892 | kfree(buf); |
5e6e3a92 BZ |
893 | return ret; |
894 | } | |
895 | ||
896 | /* | |
897 | * IOCTL request handler to get power save mode. | |
898 | * | |
899 | * This function prepares the correct firmware command and | |
900 | * issues it. | |
901 | */ | |
600f5d90 | 902 | int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode) |
5e6e3a92 | 903 | { |
270e58e8 | 904 | int ret; |
5e6e3a92 BZ |
905 | struct mwifiex_adapter *adapter = priv->adapter; |
906 | u16 sub_cmd; | |
907 | ||
600f5d90 AK |
908 | if (*ps_mode) |
909 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP; | |
910 | else | |
911 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; | |
912 | sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS; | |
913 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH, | |
914 | sub_cmd, BITMAP_STA_PS, NULL); | |
915 | if ((!ret) && (sub_cmd == DIS_AUTO_PS)) | |
916 | ret = mwifiex_send_cmd_async(priv, | |
500f747c YAP |
917 | HostCmd_CMD_802_11_PS_MODE_ENH, |
918 | GET_PS, 0, NULL); | |
5e6e3a92 BZ |
919 | |
920 | return ret; | |
921 | } | |
922 | ||
923 | /* | |
924 | * IOCTL request handler to set/reset WPA IE. | |
925 | * | |
926 | * The supplied WPA IE is treated as a opaque buffer. Only the first field | |
927 | * is checked to determine WPA version. If buffer length is zero, the existing | |
928 | * WPA IE is reset. | |
929 | */ | |
930 | static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv, | |
931 | u8 *ie_data_ptr, u16 ie_len) | |
932 | { | |
933 | if (ie_len) { | |
934 | if (ie_len > sizeof(priv->wpa_ie)) { | |
935 | dev_err(priv->adapter->dev, | |
936 | "failed to copy WPA IE, too big\n"); | |
937 | return -1; | |
938 | } | |
939 | memcpy(priv->wpa_ie, ie_data_ptr, ie_len); | |
940 | priv->wpa_ie_len = (u8) ie_len; | |
941 | dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n", | |
500f747c | 942 | priv->wpa_ie_len, priv->wpa_ie[0]); |
5e6e3a92 BZ |
943 | |
944 | if (priv->wpa_ie[0] == WLAN_EID_WPA) { | |
945 | priv->sec_info.wpa_enabled = true; | |
946 | } else if (priv->wpa_ie[0] == WLAN_EID_RSN) { | |
947 | priv->sec_info.wpa2_enabled = true; | |
948 | } else { | |
949 | priv->sec_info.wpa_enabled = false; | |
950 | priv->sec_info.wpa2_enabled = false; | |
951 | } | |
952 | } else { | |
953 | memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie)); | |
954 | priv->wpa_ie_len = 0; | |
955 | dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n", | |
956 | priv->wpa_ie_len, priv->wpa_ie[0]); | |
957 | priv->sec_info.wpa_enabled = false; | |
958 | priv->sec_info.wpa2_enabled = false; | |
959 | } | |
960 | ||
961 | return 0; | |
962 | } | |
963 | ||
964 | /* | |
965 | * IOCTL request handler to set/reset WAPI IE. | |
966 | * | |
967 | * The supplied WAPI IE is treated as a opaque buffer. Only the first field | |
968 | * is checked to internally enable WAPI. If buffer length is zero, the existing | |
969 | * WAPI IE is reset. | |
970 | */ | |
971 | static int mwifiex_set_wapi_ie(struct mwifiex_private *priv, | |
972 | u8 *ie_data_ptr, u16 ie_len) | |
973 | { | |
974 | if (ie_len) { | |
975 | if (ie_len > sizeof(priv->wapi_ie)) { | |
976 | dev_dbg(priv->adapter->dev, | |
977 | "info: failed to copy WAPI IE, too big\n"); | |
978 | return -1; | |
979 | } | |
980 | memcpy(priv->wapi_ie, ie_data_ptr, ie_len); | |
981 | priv->wapi_ie_len = ie_len; | |
982 | dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n", | |
500f747c | 983 | priv->wapi_ie_len, priv->wapi_ie[0]); |
5e6e3a92 BZ |
984 | |
985 | if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY) | |
986 | priv->sec_info.wapi_enabled = true; | |
987 | } else { | |
988 | memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie)); | |
989 | priv->wapi_ie_len = ie_len; | |
990 | dev_dbg(priv->adapter->dev, | |
991 | "info: Reset wapi_ie_len=%d IE=%#x\n", | |
992 | priv->wapi_ie_len, priv->wapi_ie[0]); | |
993 | priv->sec_info.wapi_enabled = false; | |
994 | } | |
995 | return 0; | |
996 | } | |
997 | ||
998 | /* | |
999 | * IOCTL request handler to set WAPI key. | |
1000 | * | |
1001 | * This function prepares the correct firmware command and | |
1002 | * issues it. | |
1003 | */ | |
600f5d90 | 1004 | static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv, |
5e6e3a92 BZ |
1005 | struct mwifiex_ds_encrypt_key *encrypt_key) |
1006 | { | |
5e6e3a92 | 1007 | |
636c4598 | 1008 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_KEY_MATERIAL, |
500f747c YAP |
1009 | HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED, |
1010 | encrypt_key); | |
5e6e3a92 BZ |
1011 | } |
1012 | ||
5e6e3a92 BZ |
1013 | /* |
1014 | * IOCTL request handler to set WEP network key. | |
1015 | * | |
1016 | * This function prepares the correct firmware command and | |
1017 | * issues it, after validation checks. | |
1018 | */ | |
600f5d90 | 1019 | static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv, |
5e6e3a92 BZ |
1020 | struct mwifiex_ds_encrypt_key *encrypt_key) |
1021 | { | |
270e58e8 YAP |
1022 | int ret; |
1023 | struct mwifiex_wep_key *wep_key; | |
5e6e3a92 BZ |
1024 | int index; |
1025 | ||
1026 | if (priv->wep_key_curr_index >= NUM_WEP_KEYS) | |
1027 | priv->wep_key_curr_index = 0; | |
1028 | wep_key = &priv->wep_key[priv->wep_key_curr_index]; | |
1029 | index = encrypt_key->key_index; | |
1030 | if (encrypt_key->key_disable) { | |
5eb02e44 | 1031 | priv->sec_info.wep_enabled = 0; |
5e6e3a92 BZ |
1032 | } else if (!encrypt_key->key_len) { |
1033 | /* Copy the required key as the current key */ | |
1034 | wep_key = &priv->wep_key[index]; | |
1035 | if (!wep_key->key_length) { | |
600f5d90 | 1036 | dev_err(priv->adapter->dev, |
5e6e3a92 BZ |
1037 | "key not set, so cannot enable it\n"); |
1038 | return -1; | |
1039 | } | |
1040 | priv->wep_key_curr_index = (u16) index; | |
5eb02e44 | 1041 | priv->sec_info.wep_enabled = 1; |
5e6e3a92 BZ |
1042 | } else { |
1043 | wep_key = &priv->wep_key[index]; | |
5e6e3a92 BZ |
1044 | memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); |
1045 | /* Copy the key in the driver */ | |
1046 | memcpy(wep_key->key_material, | |
1047 | encrypt_key->key_material, | |
1048 | encrypt_key->key_len); | |
1049 | wep_key->key_index = index; | |
1050 | wep_key->key_length = encrypt_key->key_len; | |
5eb02e44 | 1051 | priv->sec_info.wep_enabled = 1; |
5e6e3a92 BZ |
1052 | } |
1053 | if (wep_key->key_length) { | |
1054 | /* Send request to firmware */ | |
600f5d90 AK |
1055 | ret = mwifiex_send_cmd_async(priv, |
1056 | HostCmd_CMD_802_11_KEY_MATERIAL, | |
1057 | HostCmd_ACT_GEN_SET, 0, NULL); | |
5e6e3a92 BZ |
1058 | if (ret) |
1059 | return ret; | |
1060 | } | |
5eb02e44 | 1061 | if (priv->sec_info.wep_enabled) |
5e6e3a92 BZ |
1062 | priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE; |
1063 | else | |
1064 | priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE; | |
1065 | ||
600f5d90 AK |
1066 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL, |
1067 | HostCmd_ACT_GEN_SET, 0, | |
1068 | &priv->curr_pkt_filter); | |
5e6e3a92 BZ |
1069 | |
1070 | return ret; | |
1071 | } | |
1072 | ||
1073 | /* | |
1074 | * IOCTL request handler to set WPA key. | |
1075 | * | |
1076 | * This function prepares the correct firmware command and | |
1077 | * issues it, after validation checks. | |
1078 | * | |
1079 | * Current driver only supports key length of up to 32 bytes. | |
1080 | * | |
1081 | * This function can also be used to disable a currently set key. | |
1082 | */ | |
600f5d90 | 1083 | static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv, |
5e6e3a92 BZ |
1084 | struct mwifiex_ds_encrypt_key *encrypt_key) |
1085 | { | |
270e58e8 | 1086 | int ret; |
5e6e3a92 BZ |
1087 | u8 remove_key = false; |
1088 | struct host_cmd_ds_802_11_key_material *ibss_key; | |
1089 | ||
1090 | /* Current driver only supports key length of up to 32 bytes */ | |
a3731658 | 1091 | if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) { |
600f5d90 | 1092 | dev_err(priv->adapter->dev, "key length too long\n"); |
5e6e3a92 BZ |
1093 | return -1; |
1094 | } | |
1095 | ||
eecd8250 | 1096 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1097 | /* |
1098 | * IBSS/WPA-None uses only one key (Group) for both receiving | |
1099 | * and sending unicast and multicast packets. | |
1100 | */ | |
1101 | /* Send the key as PTK to firmware */ | |
1102 | encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST; | |
600f5d90 | 1103 | ret = mwifiex_send_cmd_async(priv, |
500f747c YAP |
1104 | HostCmd_CMD_802_11_KEY_MATERIAL, |
1105 | HostCmd_ACT_GEN_SET, | |
1106 | KEY_INFO_ENABLED, encrypt_key); | |
5e6e3a92 BZ |
1107 | if (ret) |
1108 | return ret; | |
1109 | ||
1110 | ibss_key = &priv->aes_key; | |
1111 | memset(ibss_key, 0, | |
1112 | sizeof(struct host_cmd_ds_802_11_key_material)); | |
1113 | /* Copy the key in the driver */ | |
1114 | memcpy(ibss_key->key_param_set.key, encrypt_key->key_material, | |
1115 | encrypt_key->key_len); | |
1116 | memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len, | |
1117 | sizeof(ibss_key->key_param_set.key_len)); | |
1118 | ibss_key->key_param_set.key_type_id | |
1119 | = cpu_to_le16(KEY_TYPE_ID_TKIP); | |
6a35a0ac | 1120 | ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED); |
5e6e3a92 BZ |
1121 | |
1122 | /* Send the key as GTK to firmware */ | |
1123 | encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST; | |
1124 | } | |
1125 | ||
1126 | if (!encrypt_key->key_index) | |
1127 | encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST; | |
1128 | ||
1129 | if (remove_key) | |
600f5d90 | 1130 | ret = mwifiex_send_cmd_sync(priv, |
500f747c YAP |
1131 | HostCmd_CMD_802_11_KEY_MATERIAL, |
1132 | HostCmd_ACT_GEN_SET, | |
1133 | !KEY_INFO_ENABLED, encrypt_key); | |
5e6e3a92 | 1134 | else |
600f5d90 | 1135 | ret = mwifiex_send_cmd_sync(priv, |
500f747c YAP |
1136 | HostCmd_CMD_802_11_KEY_MATERIAL, |
1137 | HostCmd_ACT_GEN_SET, | |
1138 | KEY_INFO_ENABLED, encrypt_key); | |
5e6e3a92 BZ |
1139 | |
1140 | return ret; | |
1141 | } | |
1142 | ||
1143 | /* | |
1144 | * IOCTL request handler to set/get network keys. | |
1145 | * | |
1146 | * This is a generic key handling function which supports WEP, WPA | |
1147 | * and WAPI. | |
1148 | */ | |
1149 | static int | |
1150 | mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
1151 | struct mwifiex_ds_encrypt_key *encrypt_key) |
1152 | { | |
270e58e8 | 1153 | int status; |
5e6e3a92 BZ |
1154 | |
1155 | if (encrypt_key->is_wapi_key) | |
600f5d90 | 1156 | status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key); |
5e6e3a92 | 1157 | else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104) |
600f5d90 | 1158 | status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key); |
5e6e3a92 | 1159 | else |
600f5d90 | 1160 | status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key); |
5e6e3a92 BZ |
1161 | return status; |
1162 | } | |
1163 | ||
1164 | /* | |
1165 | * This function returns the driver version. | |
1166 | */ | |
1167 | int | |
1168 | mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version, | |
1169 | int max_len) | |
1170 | { | |
1171 | union { | |
1172 | u32 l; | |
1173 | u8 c[4]; | |
1174 | } ver; | |
1175 | char fw_ver[32]; | |
1176 | ||
1177 | ver.l = adapter->fw_release_number; | |
1178 | sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]); | |
1179 | ||
1180 | snprintf(version, max_len, driver_version, fw_ver); | |
1181 | ||
1182 | dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version); | |
1183 | ||
1184 | return 0; | |
1185 | } | |
1186 | ||
5e6e3a92 BZ |
1187 | /* |
1188 | * Sends IOCTL request to get signal information. | |
1189 | * | |
1190 | * This function allocates the IOCTL request buffer, fills it | |
1191 | * with requisite parameters and calls the IOCTL handler. | |
1192 | */ | |
600f5d90 | 1193 | int mwifiex_get_signal_info(struct mwifiex_private *priv, |
5e6e3a92 BZ |
1194 | struct mwifiex_ds_get_signal *signal) |
1195 | { | |
270e58e8 | 1196 | int status; |
5e6e3a92 | 1197 | |
c4859fbc | 1198 | signal->selector = ALL_RSSI_INFO_MASK; |
5e6e3a92 | 1199 | |
600f5d90 AK |
1200 | /* Signal info can be obtained only if connected */ |
1201 | if (!priv->media_connected) { | |
1202 | dev_dbg(priv->adapter->dev, | |
1203 | "info: Can not get signal in disconnected state\n"); | |
1204 | return -1; | |
1205 | } | |
1206 | ||
600f5d90 AK |
1207 | status = mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO, |
1208 | HostCmd_ACT_GEN_GET, 0, signal); | |
5e6e3a92 | 1209 | |
5e6e3a92 | 1210 | if (!status) { |
c4859fbc | 1211 | if (signal->selector & BCN_RSSI_AVG_MASK) |
67a50035 | 1212 | priv->qual_level = signal->bcn_rssi_avg; |
c4859fbc | 1213 | if (signal->selector & BCN_NF_AVG_MASK) |
67a50035 | 1214 | priv->qual_noise = signal->bcn_nf_avg; |
5e6e3a92 BZ |
1215 | } |
1216 | ||
5e6e3a92 BZ |
1217 | return status; |
1218 | } | |
1219 | ||
5e6e3a92 BZ |
1220 | /* |
1221 | * Sends IOCTL request to set encoding parameters. | |
1222 | * | |
1223 | * This function allocates the IOCTL request buffer, fills it | |
1224 | * with requisite parameters and calls the IOCTL handler. | |
1225 | */ | |
1226 | int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key, | |
1227 | int key_len, u8 key_index, int disable) | |
1228 | { | |
5e6e3a92 | 1229 | struct mwifiex_ds_encrypt_key encrypt_key; |
5e6e3a92 | 1230 | |
5e6e3a92 BZ |
1231 | memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key)); |
1232 | encrypt_key.key_len = key_len; | |
1233 | if (!disable) { | |
1234 | encrypt_key.key_index = key_index; | |
1235 | if (key_len) | |
1236 | memcpy(encrypt_key.key_material, key, key_len); | |
1237 | } else { | |
1238 | encrypt_key.key_disable = true; | |
1239 | } | |
1240 | ||
636c4598 | 1241 | return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key); |
5e6e3a92 BZ |
1242 | } |
1243 | ||
1244 | /* | |
1245 | * Sends IOCTL request to get extended version. | |
1246 | * | |
1247 | * This function allocates the IOCTL request buffer, fills it | |
1248 | * with requisite parameters and calls the IOCTL handler. | |
1249 | */ | |
1250 | int | |
1251 | mwifiex_get_ver_ext(struct mwifiex_private *priv) | |
1252 | { | |
1253 | struct mwifiex_ver_ext ver_ext; | |
5e6e3a92 | 1254 | |
5e6e3a92 | 1255 | memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext)); |
636c4598 | 1256 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_VERSION_EXT, |
500f747c | 1257 | HostCmd_ACT_GEN_GET, 0, &ver_ext)) |
636c4598 | 1258 | return -1; |
5e6e3a92 | 1259 | |
636c4598 | 1260 | return 0; |
5e6e3a92 BZ |
1261 | } |
1262 | ||
1263 | /* | |
1264 | * Sends IOCTL request to get statistics information. | |
1265 | * | |
1266 | * This function allocates the IOCTL request buffer, fills it | |
1267 | * with requisite parameters and calls the IOCTL handler. | |
1268 | */ | |
1269 | int | |
1270 | mwifiex_get_stats_info(struct mwifiex_private *priv, | |
1271 | struct mwifiex_ds_get_stats *log) | |
1272 | { | |
67a50035 | 1273 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG, |
500f747c | 1274 | HostCmd_ACT_GEN_GET, 0, log); |
5e6e3a92 BZ |
1275 | } |
1276 | ||
1277 | /* | |
1278 | * IOCTL request handler to read/write register. | |
1279 | * | |
1280 | * This function prepares the correct firmware command and | |
1281 | * issues it. | |
1282 | * | |
1283 | * Access to the following registers are supported - | |
1284 | * - MAC | |
1285 | * - BBP | |
1286 | * - RF | |
1287 | * - PMIC | |
1288 | * - CAU | |
1289 | */ | |
1290 | static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
1291 | struct mwifiex_ds_reg_rw *reg_rw, |
1292 | u16 action) | |
1293 | { | |
5e6e3a92 BZ |
1294 | u16 cmd_no; |
1295 | ||
1296 | switch (le32_to_cpu(reg_rw->type)) { | |
1297 | case MWIFIEX_REG_MAC: | |
1298 | cmd_no = HostCmd_CMD_MAC_REG_ACCESS; | |
1299 | break; | |
1300 | case MWIFIEX_REG_BBP: | |
1301 | cmd_no = HostCmd_CMD_BBP_REG_ACCESS; | |
1302 | break; | |
1303 | case MWIFIEX_REG_RF: | |
1304 | cmd_no = HostCmd_CMD_RF_REG_ACCESS; | |
1305 | break; | |
1306 | case MWIFIEX_REG_PMIC: | |
1307 | cmd_no = HostCmd_CMD_PMIC_REG_ACCESS; | |
1308 | break; | |
1309 | case MWIFIEX_REG_CAU: | |
1310 | cmd_no = HostCmd_CMD_CAU_REG_ACCESS; | |
1311 | break; | |
1312 | default: | |
1313 | return -1; | |
1314 | } | |
1315 | ||
636c4598 | 1316 | return mwifiex_send_cmd_sync(priv, cmd_no, action, 0, reg_rw); |
5e6e3a92 | 1317 | |
5e6e3a92 BZ |
1318 | } |
1319 | ||
1320 | /* | |
1321 | * Sends IOCTL request to write to a register. | |
1322 | * | |
1323 | * This function allocates the IOCTL request buffer, fills it | |
1324 | * with requisite parameters and calls the IOCTL handler. | |
1325 | */ | |
1326 | int | |
1327 | mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type, | |
1328 | u32 reg_offset, u32 reg_value) | |
1329 | { | |
5e6e3a92 BZ |
1330 | struct mwifiex_ds_reg_rw reg_rw; |
1331 | ||
5e6e3a92 BZ |
1332 | reg_rw.type = cpu_to_le32(reg_type); |
1333 | reg_rw.offset = cpu_to_le32(reg_offset); | |
1334 | reg_rw.value = cpu_to_le32(reg_value); | |
5e6e3a92 | 1335 | |
636c4598 | 1336 | return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET); |
5e6e3a92 BZ |
1337 | } |
1338 | ||
1339 | /* | |
1340 | * Sends IOCTL request to read from a register. | |
1341 | * | |
1342 | * This function allocates the IOCTL request buffer, fills it | |
1343 | * with requisite parameters and calls the IOCTL handler. | |
1344 | */ | |
1345 | int | |
1346 | mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type, | |
1347 | u32 reg_offset, u32 *value) | |
1348 | { | |
270e58e8 | 1349 | int ret; |
5e6e3a92 BZ |
1350 | struct mwifiex_ds_reg_rw reg_rw; |
1351 | ||
5e6e3a92 BZ |
1352 | reg_rw.type = cpu_to_le32(reg_type); |
1353 | reg_rw.offset = cpu_to_le32(reg_offset); | |
600f5d90 | 1354 | ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET); |
5e6e3a92 | 1355 | |
5e6e3a92 BZ |
1356 | if (ret) |
1357 | goto done; | |
1358 | ||
1359 | *value = le32_to_cpu(reg_rw.value); | |
1360 | ||
1361 | done: | |
5e6e3a92 BZ |
1362 | return ret; |
1363 | } | |
1364 | ||
1365 | /* | |
1366 | * Sends IOCTL request to read from EEPROM. | |
1367 | * | |
1368 | * This function allocates the IOCTL request buffer, fills it | |
1369 | * with requisite parameters and calls the IOCTL handler. | |
1370 | */ | |
1371 | int | |
1372 | mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes, | |
1373 | u8 *value) | |
1374 | { | |
270e58e8 | 1375 | int ret; |
5e6e3a92 BZ |
1376 | struct mwifiex_ds_read_eeprom rd_eeprom; |
1377 | ||
5e6e3a92 BZ |
1378 | rd_eeprom.offset = cpu_to_le16((u16) offset); |
1379 | rd_eeprom.byte_count = cpu_to_le16((u16) bytes); | |
5e6e3a92 | 1380 | |
600f5d90 AK |
1381 | /* Send request to firmware */ |
1382 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_EEPROM_ACCESS, | |
1383 | HostCmd_ACT_GEN_GET, 0, &rd_eeprom); | |
5e6e3a92 | 1384 | |
600f5d90 AK |
1385 | if (!ret) |
1386 | memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA); | |
5e6e3a92 BZ |
1387 | return ret; |
1388 | } | |
1389 | ||
1390 | /* | |
1391 | * This function sets a generic IE. In addition to generic IE, it can | |
1392 | * also handle WPA, WPA2 and WAPI IEs. | |
1393 | */ | |
1394 | static int | |
1395 | mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr, | |
1396 | u16 ie_len) | |
1397 | { | |
1398 | int ret = 0; | |
1399 | struct ieee_types_vendor_header *pvendor_ie; | |
1400 | const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 }; | |
1401 | const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 }; | |
1402 | ||
1403 | /* If the passed length is zero, reset the buffer */ | |
1404 | if (!ie_len) { | |
1405 | priv->gen_ie_buf_len = 0; | |
1406 | priv->wps.session_enable = false; | |
1407 | ||
1408 | return 0; | |
1409 | } else if (!ie_data_ptr) { | |
1410 | return -1; | |
1411 | } | |
1412 | pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr; | |
1413 | /* Test to see if it is a WPA IE, if not, then it is a gen IE */ | |
500f747c YAP |
1414 | if (((pvendor_ie->element_id == WLAN_EID_WPA) && |
1415 | (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui)))) || | |
1416 | (pvendor_ie->element_id == WLAN_EID_RSN)) { | |
5e6e3a92 BZ |
1417 | |
1418 | /* IE is a WPA/WPA2 IE so call set_wpa function */ | |
1419 | ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len); | |
1420 | priv->wps.session_enable = false; | |
1421 | ||
1422 | return ret; | |
1423 | } else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) { | |
1424 | /* IE is a WAPI IE so call set_wapi function */ | |
1425 | ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len); | |
1426 | ||
1427 | return ret; | |
1428 | } | |
1429 | /* | |
1430 | * Verify that the passed length is not larger than the | |
1431 | * available space remaining in the buffer | |
1432 | */ | |
1433 | if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) { | |
1434 | ||
1435 | /* Test to see if it is a WPS IE, if so, enable | |
1436 | * wps session flag | |
1437 | */ | |
1438 | pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr; | |
500f747c YAP |
1439 | if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) && |
1440 | (!memcmp(pvendor_ie->oui, wps_oui, sizeof(wps_oui)))) { | |
5e6e3a92 BZ |
1441 | priv->wps.session_enable = true; |
1442 | dev_dbg(priv->adapter->dev, | |
1443 | "info: WPS Session Enabled.\n"); | |
1444 | } | |
1445 | ||
1446 | /* Append the passed data to the end of the | |
1447 | genIeBuffer */ | |
1448 | memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr, | |
500f747c | 1449 | ie_len); |
5e6e3a92 BZ |
1450 | /* Increment the stored buffer length by the |
1451 | size passed */ | |
1452 | priv->gen_ie_buf_len += ie_len; | |
1453 | } else { | |
1454 | /* Passed data does not fit in the remaining | |
1455 | buffer space */ | |
1456 | ret = -1; | |
1457 | } | |
1458 | ||
1459 | /* Return 0, or -1 for error case */ | |
1460 | return ret; | |
1461 | } | |
1462 | ||
1463 | /* | |
1464 | * IOCTL request handler to set/get generic IE. | |
1465 | * | |
1466 | * In addition to various generic IEs, this function can also be | |
1467 | * used to set the ARP filter. | |
1468 | */ | |
1469 | static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv, | |
1470 | struct mwifiex_ds_misc_gen_ie *gen_ie, | |
1471 | u16 action) | |
1472 | { | |
1473 | struct mwifiex_adapter *adapter = priv->adapter; | |
1474 | ||
1475 | switch (gen_ie->type) { | |
1476 | case MWIFIEX_IE_TYPE_GEN_IE: | |
1477 | if (action == HostCmd_ACT_GEN_GET) { | |
1478 | gen_ie->len = priv->wpa_ie_len; | |
1479 | memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len); | |
1480 | } else { | |
1481 | mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data, | |
1482 | (u16) gen_ie->len); | |
1483 | } | |
1484 | break; | |
1485 | case MWIFIEX_IE_TYPE_ARP_FILTER: | |
1486 | memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter)); | |
1487 | if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) { | |
1488 | adapter->arp_filter_size = 0; | |
1489 | dev_err(adapter->dev, "invalid ARP filter size\n"); | |
1490 | return -1; | |
1491 | } else { | |
1492 | memcpy(adapter->arp_filter, gen_ie->ie_data, | |
500f747c | 1493 | gen_ie->len); |
5e6e3a92 BZ |
1494 | adapter->arp_filter_size = gen_ie->len; |
1495 | } | |
1496 | break; | |
1497 | default: | |
1498 | dev_err(adapter->dev, "invalid IE type\n"); | |
1499 | return -1; | |
1500 | } | |
1501 | return 0; | |
1502 | } | |
1503 | ||
1504 | /* | |
1505 | * Sends IOCTL request to set a generic IE. | |
1506 | * | |
1507 | * This function allocates the IOCTL request buffer, fills it | |
1508 | * with requisite parameters and calls the IOCTL handler. | |
1509 | */ | |
1510 | int | |
1511 | mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len) | |
1512 | { | |
1513 | struct mwifiex_ds_misc_gen_ie gen_ie; | |
5e6e3a92 | 1514 | |
67a50035 | 1515 | if (ie_len > IEEE_MAX_IE_SIZE) |
5e6e3a92 BZ |
1516 | return -EFAULT; |
1517 | ||
1518 | gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE; | |
1519 | gen_ie.len = ie_len; | |
1520 | memcpy(gen_ie.ie_data, ie, ie_len); | |
636c4598 | 1521 | if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET)) |
5e6e3a92 BZ |
1522 | return -EFAULT; |
1523 | ||
1524 | return 0; | |
1525 | } |