blob: 89dc62a467f4d2ba8b7cc2fcf6b7d1d63b058f68 [file] [log] [blame]
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001/*
2 * Marvell Wireless LAN device driver: association and ad-hoc start/join
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"
Yogesh Ashok Powara5f39052013-02-15 21:44:30 -080027#include "11ac.h"
Bing Zhao5e6e3a92011-03-21 18:00:50 -070028
29#define CAPINFO_MASK (~(BIT(15) | BIT(14) | BIT(12) | BIT(11) | BIT(9)))
30
31/*
32 * Append a generic IE as a pass through TLV to a TLV buffer.
33 *
34 * This function is called from the network join command preparation routine.
35 *
36 * If the IE buffer has been setup by the application, this routine appends
37 * the buffer as a pass through TLV type to the request.
38 */
39static int
40mwifiex_cmd_append_generic_ie(struct mwifiex_private *priv, u8 **buffer)
41{
42 int ret_len = 0;
43 struct mwifiex_ie_types_header ie_header;
44
45 /* Null Checks */
46 if (!buffer)
47 return 0;
48 if (!(*buffer))
49 return 0;
50
51 /*
52 * If there is a generic ie buffer setup, append it to the return
53 * parameter buffer pointer.
54 */
55 if (priv->gen_ie_buf_len) {
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -070056 dev_dbg(priv->adapter->dev,
57 "info: %s: append generic ie len %d to %p\n",
58 __func__, priv->gen_ie_buf_len, *buffer);
Bing Zhao5e6e3a92011-03-21 18:00:50 -070059
60 /* Wrap the generic IE buffer with a pass through TLV type */
61 ie_header.type = cpu_to_le16(TLV_TYPE_PASSTHROUGH);
62 ie_header.len = cpu_to_le16(priv->gen_ie_buf_len);
63 memcpy(*buffer, &ie_header, sizeof(ie_header));
64
65 /* Increment the return size and the return buffer pointer
66 param */
67 *buffer += sizeof(ie_header);
68 ret_len += sizeof(ie_header);
69
70 /* Copy the generic IE buffer to the output buffer, advance
71 pointer */
72 memcpy(*buffer, priv->gen_ie_buf, priv->gen_ie_buf_len);
73
74 /* Increment the return size and the return buffer pointer
75 param */
76 *buffer += priv->gen_ie_buf_len;
77 ret_len += priv->gen_ie_buf_len;
78
79 /* Reset the generic IE buffer */
80 priv->gen_ie_buf_len = 0;
81 }
82
83 /* return the length appended to the buffer */
84 return ret_len;
85}
86
87/*
88 * Append TSF tracking info from the scan table for the target AP.
89 *
90 * This function is called from the network join command preparation routine.
91 *
92 * The TSF table TSF sent to the firmware contains two TSF values:
93 * - The TSF of the target AP from its previous beacon/probe response
94 * - The TSF timestamp of our local MAC at the time we observed the
95 * beacon/probe response.
96 *
97 * The firmware uses the timestamp values to set an initial TSF value
98 * in the MAC for the new association after a reassociation attempt.
99 */
100static int
101mwifiex_cmd_append_tsf_tlv(struct mwifiex_private *priv, u8 **buffer,
102 struct mwifiex_bssdescriptor *bss_desc)
103{
104 struct mwifiex_ie_types_tsf_timestamp tsf_tlv;
Bing Zhao1a5b3062011-05-02 11:00:45 -0700105 __le64 tsf_val;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700106
107 /* Null Checks */
108 if (buffer == NULL)
109 return 0;
110 if (*buffer == NULL)
111 return 0;
112
113 memset(&tsf_tlv, 0x00, sizeof(struct mwifiex_ie_types_tsf_timestamp));
114
115 tsf_tlv.header.type = cpu_to_le16(TLV_TYPE_TSFTIMESTAMP);
116 tsf_tlv.header.len = cpu_to_le16(2 * sizeof(tsf_val));
117
118 memcpy(*buffer, &tsf_tlv, sizeof(tsf_tlv.header));
119 *buffer += sizeof(tsf_tlv.header);
120
Bing Zhao1a5b3062011-05-02 11:00:45 -0700121 /* TSF at the time when beacon/probe_response was received */
Amitkumar Karwarb5abcf02012-04-16 21:36:52 -0700122 tsf_val = cpu_to_le64(bss_desc->fw_tsf);
Bing Zhao1a5b3062011-05-02 11:00:45 -0700123 memcpy(*buffer, &tsf_val, sizeof(tsf_val));
124 *buffer += sizeof(tsf_val);
125
Amitkumar Karwarb5abcf02012-04-16 21:36:52 -0700126 tsf_val = cpu_to_le64(bss_desc->timestamp);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700127
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700128 dev_dbg(priv->adapter->dev,
129 "info: %s: TSF offset calc: %016llx - %016llx\n",
Amitkumar Karwarb5abcf02012-04-16 21:36:52 -0700130 __func__, bss_desc->timestamp, bss_desc->fw_tsf);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700131
132 memcpy(*buffer, &tsf_val, sizeof(tsf_val));
133 *buffer += sizeof(tsf_val);
134
135 return sizeof(tsf_tlv.header) + (2 * sizeof(tsf_val));
136}
137
138/*
139 * This function finds out the common rates between rate1 and rate2.
140 *
141 * It will fill common rates in rate1 as output if found.
142 *
143 * NOTE: Setting the MSB of the basic rates needs to be taken
144 * care of, either before or after calling this function.
145 */
146static int mwifiex_get_common_rates(struct mwifiex_private *priv, u8 *rate1,
147 u32 rate1_size, u8 *rate2, u32 rate2_size)
148{
Yogesh Ashok Powar270e58e2011-05-03 20:11:46 -0700149 int ret;
150 u8 *ptr = rate1, *tmp;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700151 u32 i, j;
152
Yogesh Ashok Powar5982b472011-08-29 13:21:10 -0700153 tmp = kmemdup(rate1, rate1_size, GFP_KERNEL);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700154 if (!tmp) {
155 dev_err(priv->adapter->dev, "failed to alloc tmp buf\n");
156 return -ENOMEM;
157 }
158
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700159 memset(rate1, 0, rate1_size);
160
Cyril Roelandt485f1072013-01-27 23:42:48 +0100161 for (i = 0; i < rate2_size && rate2[i]; i++) {
162 for (j = 0; j < rate1_size && tmp[j]; j++) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700163 /* Check common rate, excluding the bit for
164 basic rate */
165 if ((rate2[i] & 0x7F) == (tmp[j] & 0x7F)) {
166 *rate1++ = tmp[j];
167 break;
168 }
169 }
170 }
171
172 dev_dbg(priv->adapter->dev, "info: Tx data rate set to %#x\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700173 priv->data_rate);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700174
175 if (!priv->is_data_rate_auto) {
176 while (*ptr) {
177 if ((*ptr & 0x7f) == priv->data_rate) {
178 ret = 0;
179 goto done;
180 }
181 ptr++;
182 }
183 dev_err(priv->adapter->dev, "previously set fixed data rate %#x"
184 " is not compatible with the network\n",
185 priv->data_rate);
186
187 ret = -1;
188 goto done;
189 }
190
191 ret = 0;
192done:
193 kfree(tmp);
194 return ret;
195}
196
197/*
198 * This function creates the intersection of the rates supported by a
199 * target BSS and our adapter settings for use in an assoc/join command.
200 */
201static int
202mwifiex_setup_rates_from_bssdesc(struct mwifiex_private *priv,
203 struct mwifiex_bssdescriptor *bss_desc,
204 u8 *out_rates, u32 *out_rates_size)
205{
206 u8 card_rates[MWIFIEX_SUPPORTED_RATES];
Yogesh Ashok Powar270e58e2011-05-03 20:11:46 -0700207 u32 card_rates_size;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700208
209 /* Copy AP supported rates */
210 memcpy(out_rates, bss_desc->supported_rates, MWIFIEX_SUPPORTED_RATES);
211 /* Get the STA supported rates */
212 card_rates_size = mwifiex_get_active_data_rates(priv, card_rates);
213 /* Get the common rates between AP and STA supported rates */
214 if (mwifiex_get_common_rates(priv, out_rates, MWIFIEX_SUPPORTED_RATES,
215 card_rates, card_rates_size)) {
216 *out_rates_size = 0;
217 dev_err(priv->adapter->dev, "%s: cannot get common rates\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700218 __func__);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700219 return -1;
220 }
221
222 *out_rates_size =
223 min_t(size_t, strlen(out_rates), MWIFIEX_SUPPORTED_RATES);
224
225 return 0;
226}
227
228/*
Avinash Patil13d7ba72012-04-09 20:06:56 -0700229 * This function appends a WPS IE. It is called from the network join command
230 * preparation routine.
231 *
232 * If the IE buffer has been setup by the application, this routine appends
233 * the buffer as a WPS TLV type to the request.
234 */
235static int
236mwifiex_cmd_append_wps_ie(struct mwifiex_private *priv, u8 **buffer)
237{
238 int retLen = 0;
239 struct mwifiex_ie_types_header ie_header;
240
241 if (!buffer || !*buffer)
242 return 0;
243
244 /*
245 * If there is a wps ie buffer setup, append it to the return
246 * parameter buffer pointer.
247 */
248 if (priv->wps_ie_len) {
249 dev_dbg(priv->adapter->dev, "cmd: append wps ie %d to %p\n",
250 priv->wps_ie_len, *buffer);
251
252 /* Wrap the generic IE buffer with a pass through TLV type */
253 ie_header.type = cpu_to_le16(TLV_TYPE_MGMT_IE);
254 ie_header.len = cpu_to_le16(priv->wps_ie_len);
255 memcpy(*buffer, &ie_header, sizeof(ie_header));
256 *buffer += sizeof(ie_header);
257 retLen += sizeof(ie_header);
258
259 memcpy(*buffer, priv->wps_ie, priv->wps_ie_len);
260 *buffer += priv->wps_ie_len;
261 retLen += priv->wps_ie_len;
262
263 }
264
265 kfree(priv->wps_ie);
266 priv->wps_ie_len = 0;
267 return retLen;
268}
269
270/*
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700271 * This function appends a WAPI IE.
272 *
273 * This function is called from the network join command preparation routine.
274 *
275 * If the IE buffer has been setup by the application, this routine appends
276 * the buffer as a WAPI TLV type to the request.
277 */
278static int
279mwifiex_cmd_append_wapi_ie(struct mwifiex_private *priv, u8 **buffer)
280{
281 int retLen = 0;
282 struct mwifiex_ie_types_header ie_header;
283
284 /* Null Checks */
285 if (buffer == NULL)
286 return 0;
287 if (*buffer == NULL)
288 return 0;
289
290 /*
291 * If there is a wapi ie buffer setup, append it to the return
292 * parameter buffer pointer.
293 */
294 if (priv->wapi_ie_len) {
295 dev_dbg(priv->adapter->dev, "cmd: append wapi ie %d to %p\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700296 priv->wapi_ie_len, *buffer);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700297
298 /* Wrap the generic IE buffer with a pass through TLV type */
299 ie_header.type = cpu_to_le16(TLV_TYPE_WAPI_IE);
300 ie_header.len = cpu_to_le16(priv->wapi_ie_len);
301 memcpy(*buffer, &ie_header, sizeof(ie_header));
302
303 /* Increment the return size and the return buffer pointer
304 param */
305 *buffer += sizeof(ie_header);
306 retLen += sizeof(ie_header);
307
308 /* Copy the wapi IE buffer to the output buffer, advance
309 pointer */
310 memcpy(*buffer, priv->wapi_ie, priv->wapi_ie_len);
311
312 /* Increment the return size and the return buffer pointer
313 param */
314 *buffer += priv->wapi_ie_len;
315 retLen += priv->wapi_ie_len;
316
317 }
318 /* return the length appended to the buffer */
319 return retLen;
320}
321
322/*
323 * This function appends rsn ie tlv for wpa/wpa2 security modes.
324 * It is called from the network join command preparation routine.
325 */
326static int mwifiex_append_rsn_ie_wpa_wpa2(struct mwifiex_private *priv,
327 u8 **buffer)
328{
329 struct mwifiex_ie_types_rsn_param_set *rsn_ie_tlv;
330 int rsn_ie_len;
331
332 if (!buffer || !(*buffer))
333 return 0;
334
335 rsn_ie_tlv = (struct mwifiex_ie_types_rsn_param_set *) (*buffer);
336 rsn_ie_tlv->header.type = cpu_to_le16((u16) priv->wpa_ie[0]);
337 rsn_ie_tlv->header.type = cpu_to_le16(
338 le16_to_cpu(rsn_ie_tlv->header.type) & 0x00FF);
339 rsn_ie_tlv->header.len = cpu_to_le16((u16) priv->wpa_ie[1]);
340 rsn_ie_tlv->header.len = cpu_to_le16(le16_to_cpu(rsn_ie_tlv->header.len)
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700341 & 0x00FF);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700342 if (le16_to_cpu(rsn_ie_tlv->header.len) <= (sizeof(priv->wpa_ie) - 2))
343 memcpy(rsn_ie_tlv->rsn_ie, &priv->wpa_ie[2],
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700344 le16_to_cpu(rsn_ie_tlv->header.len));
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700345 else
346 return -1;
347
348 rsn_ie_len = sizeof(rsn_ie_tlv->header) +
349 le16_to_cpu(rsn_ie_tlv->header.len);
350 *buffer += rsn_ie_len;
351
352 return rsn_ie_len;
353}
354
355/*
356 * This function prepares command for association.
357 *
358 * This sets the following parameters -
359 * - Peer MAC address
360 * - Listen interval
361 * - Beacon interval
362 * - Capability information
363 *
364 * ...and the following TLVs, as required -
365 * - SSID TLV
366 * - PHY TLV
367 * - SS TLV
368 * - Rates TLV
369 * - Authentication TLV
370 * - Channel TLV
371 * - WPA/WPA2 IE
372 * - 11n TLV
373 * - Vendor specific TLV
374 * - WMM TLV
375 * - WAPI IE
376 * - Generic IE
377 * - TSF TLV
378 *
379 * Preparation also includes -
380 * - Setting command ID and proper size
381 * - Ensuring correct endian-ness
382 */
383int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
384 struct host_cmd_ds_command *cmd,
Amitkumar Karwara5ffddb2011-06-20 15:21:48 -0700385 struct mwifiex_bssdescriptor *bss_desc)
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700386{
387 struct host_cmd_ds_802_11_associate *assoc = &cmd->params.associate;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700388 struct mwifiex_ie_types_ssid_param_set *ssid_tlv;
389 struct mwifiex_ie_types_phy_param_set *phy_tlv;
390 struct mwifiex_ie_types_ss_param_set *ss_tlv;
391 struct mwifiex_ie_types_rates_param_set *rates_tlv;
392 struct mwifiex_ie_types_auth_type *auth_tlv;
393 struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
394 u8 rates[MWIFIEX_SUPPORTED_RATES];
395 u32 rates_size;
396 u16 tmp_cap;
397 u8 *pos;
398 int rsn_ie_len = 0;
399
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700400 pos = (u8 *) assoc;
401
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700402 cmd->command = cpu_to_le16(HostCmd_CMD_802_11_ASSOCIATE);
403
404 /* Save so we know which BSS Desc to use in the response handler */
405 priv->attempted_bss_desc = bss_desc;
406
407 memcpy(assoc->peer_sta_addr,
408 bss_desc->mac_address, sizeof(assoc->peer_sta_addr));
409 pos += sizeof(assoc->peer_sta_addr);
410
411 /* Set the listen interval */
412 assoc->listen_interval = cpu_to_le16(priv->listen_interval);
413 /* Set the beacon period */
414 assoc->beacon_period = cpu_to_le16(bss_desc->beacon_period);
415
416 pos += sizeof(assoc->cap_info_bitmap);
417 pos += sizeof(assoc->listen_interval);
418 pos += sizeof(assoc->beacon_period);
419 pos += sizeof(assoc->dtim_period);
420
421 ssid_tlv = (struct mwifiex_ie_types_ssid_param_set *) pos;
422 ssid_tlv->header.type = cpu_to_le16(WLAN_EID_SSID);
423 ssid_tlv->header.len = cpu_to_le16((u16) bss_desc->ssid.ssid_len);
424 memcpy(ssid_tlv->ssid, bss_desc->ssid.ssid,
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700425 le16_to_cpu(ssid_tlv->header.len));
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700426 pos += sizeof(ssid_tlv->header) + le16_to_cpu(ssid_tlv->header.len);
427
428 phy_tlv = (struct mwifiex_ie_types_phy_param_set *) pos;
429 phy_tlv->header.type = cpu_to_le16(WLAN_EID_DS_PARAMS);
430 phy_tlv->header.len = cpu_to_le16(sizeof(phy_tlv->fh_ds.ds_param_set));
431 memcpy(&phy_tlv->fh_ds.ds_param_set,
432 &bss_desc->phy_param_set.ds_param_set.current_chan,
433 sizeof(phy_tlv->fh_ds.ds_param_set));
434 pos += sizeof(phy_tlv->header) + le16_to_cpu(phy_tlv->header.len);
435
436 ss_tlv = (struct mwifiex_ie_types_ss_param_set *) pos;
437 ss_tlv->header.type = cpu_to_le16(WLAN_EID_CF_PARAMS);
438 ss_tlv->header.len = cpu_to_le16(sizeof(ss_tlv->cf_ibss.cf_param_set));
439 pos += sizeof(ss_tlv->header) + le16_to_cpu(ss_tlv->header.len);
440
441 /* Get the common rates supported between the driver and the BSS Desc */
442 if (mwifiex_setup_rates_from_bssdesc
443 (priv, bss_desc, rates, &rates_size))
444 return -1;
445
446 /* Save the data rates into Current BSS state structure */
447 priv->curr_bss_params.num_of_rates = rates_size;
448 memcpy(&priv->curr_bss_params.data_rates, rates, rates_size);
449
450 /* Setup the Rates TLV in the association command */
451 rates_tlv = (struct mwifiex_ie_types_rates_param_set *) pos;
452 rates_tlv->header.type = cpu_to_le16(WLAN_EID_SUPP_RATES);
453 rates_tlv->header.len = cpu_to_le16((u16) rates_size);
454 memcpy(rates_tlv->rates, rates, rates_size);
455 pos += sizeof(rates_tlv->header) + rates_size;
456 dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: rates size = %d\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700457 rates_size);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700458
Marc Yang203afec2011-03-24 20:49:39 -0700459 /* Add the Authentication type to be used for Auth frames */
460 auth_tlv = (struct mwifiex_ie_types_auth_type *) pos;
461 auth_tlv->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
462 auth_tlv->header.len = cpu_to_le16(sizeof(auth_tlv->auth_type));
Amitkumar Karwar5eb02e42012-02-24 21:36:04 -0800463 if (priv->sec_info.wep_enabled)
Marc Yang203afec2011-03-24 20:49:39 -0700464 auth_tlv->auth_type = cpu_to_le16(
465 (u16) priv->sec_info.authentication_mode);
466 else
Marc Yangf986b6d2011-03-28 17:55:42 -0700467 auth_tlv->auth_type = cpu_to_le16(NL80211_AUTHTYPE_OPEN_SYSTEM);
Marc Yang203afec2011-03-24 20:49:39 -0700468
469 pos += sizeof(auth_tlv->header) + le16_to_cpu(auth_tlv->header.len);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700470
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700471 if (IS_SUPPORT_MULTI_BANDS(priv->adapter) &&
472 !(ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
473 (!bss_desc->disable_11n) &&
474 (priv->adapter->config_bands & BAND_GN ||
475 priv->adapter->config_bands & BAND_AN) &&
476 (bss_desc->bcn_ht_cap)
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700477 )
478 ) {
479 /* Append a channel TLV for the channel the attempted AP was
480 found on */
481 chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
482 chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
483 chan_tlv->header.len =
484 cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
485
486 memset(chan_tlv->chan_scan_param, 0x00,
487 sizeof(struct mwifiex_chan_scan_param_set));
488 chan_tlv->chan_scan_param[0].chan_number =
489 (bss_desc->phy_param_set.ds_param_set.current_chan);
490 dev_dbg(priv->adapter->dev, "info: Assoc: TLV Chan = %d\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700491 chan_tlv->chan_scan_param[0].chan_number);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700492
493 chan_tlv->chan_scan_param[0].radio_type =
494 mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
495
496 dev_dbg(priv->adapter->dev, "info: Assoc: TLV Band = %d\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700497 chan_tlv->chan_scan_param[0].radio_type);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700498 pos += sizeof(chan_tlv->header) +
499 sizeof(struct mwifiex_chan_scan_param_set);
500 }
501
502 if (!priv->wps.session_enable) {
503 if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled)
504 rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
505
506 if (rsn_ie_len == -1)
507 return -1;
508 }
509
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700510 if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
511 (!bss_desc->disable_11n) &&
512 (priv->adapter->config_bands & BAND_GN ||
513 priv->adapter->config_bands & BAND_AN))
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700514 mwifiex_cmd_append_11n_tlv(priv, bss_desc, &pos);
515
Yogesh Ashok Powara5f39052013-02-15 21:44:30 -0800516 if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
517 !bss_desc->disable_11n && !bss_desc->disable_11ac &&
Bing Zhaof25b1432014-02-07 16:21:01 -0800518 priv->adapter->config_bands & BAND_AAC)
Yogesh Ashok Powara5f39052013-02-15 21:44:30 -0800519 mwifiex_cmd_append_11ac_tlv(priv, bss_desc, &pos);
520
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700521 /* Append vendor specific IE TLV */
522 mwifiex_cmd_append_vsie_tlv(priv, MWIFIEX_VSIE_MASK_ASSOC, &pos);
523
524 mwifiex_wmm_process_association_req(priv, &pos, &bss_desc->wmm_ie,
525 bss_desc->bcn_ht_cap);
526 if (priv->sec_info.wapi_enabled && priv->wapi_ie_len)
527 mwifiex_cmd_append_wapi_ie(priv, &pos);
528
Avinash Patil13d7ba72012-04-09 20:06:56 -0700529 if (priv->wps.session_enable && priv->wps_ie_len)
530 mwifiex_cmd_append_wps_ie(priv, &pos);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700531
532 mwifiex_cmd_append_generic_ie(priv, &pos);
533
534 mwifiex_cmd_append_tsf_tlv(priv, &pos, bss_desc);
535
Amitkumar Karwar2a7305c2013-06-19 08:49:05 -0700536 mwifiex_11h_process_join(priv, &pos, bss_desc);
537
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700538 cmd->size = cpu_to_le16((u16) (pos - (u8 *) assoc) + S_DS_GEN);
539
540 /* Set the Capability info at last */
541 tmp_cap = bss_desc->cap_info_bitmap;
542
543 if (priv->adapter->config_bands == BAND_B)
Bing Zhaob93f85f2011-03-25 19:47:01 -0700544 tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700545
546 tmp_cap &= CAPINFO_MASK;
547 dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700548 tmp_cap, CAPINFO_MASK);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700549 assoc->cap_info_bitmap = cpu_to_le16(tmp_cap);
550
551 return 0;
552}
553
554/*
555 * Association firmware command response handler
556 *
557 * The response buffer for the association command has the following
558 * memory layout.
559 *
560 * For cases where an association response was not received (indicated
561 * by the CapInfo and AId field):
562 *
563 * .------------------------------------------------------------.
564 * | Header(4 * sizeof(t_u16)): Standard command response hdr |
565 * .------------------------------------------------------------.
566 * | cap_info/Error Return(t_u16): |
567 * | 0xFFFF(-1): Internal error |
568 * | 0xFFFE(-2): Authentication unhandled message |
569 * | 0xFFFD(-3): Authentication refused |
570 * | 0xFFFC(-4): Timeout waiting for AP response |
571 * .------------------------------------------------------------.
572 * | status_code(t_u16): |
573 * | If cap_info is -1: |
574 * | An internal firmware failure prevented the |
575 * | command from being processed. The status_code |
576 * | will be set to 1. |
577 * | |
578 * | If cap_info is -2: |
579 * | An authentication frame was received but was |
580 * | not handled by the firmware. IEEE Status |
581 * | code for the failure is returned. |
582 * | |
583 * | If cap_info is -3: |
584 * | An authentication frame was received and the |
585 * | status_code is the IEEE Status reported in the |
586 * | response. |
587 * | |
588 * | If cap_info is -4: |
589 * | (1) Association response timeout |
590 * | (2) Authentication response timeout |
591 * .------------------------------------------------------------.
592 * | a_id(t_u16): 0xFFFF |
593 * .------------------------------------------------------------.
594 *
595 *
596 * For cases where an association response was received, the IEEE
597 * standard association response frame is returned:
598 *
599 * .------------------------------------------------------------.
600 * | Header(4 * sizeof(t_u16)): Standard command response hdr |
601 * .------------------------------------------------------------.
602 * | cap_info(t_u16): IEEE Capability |
603 * .------------------------------------------------------------.
604 * | status_code(t_u16): IEEE Status Code |
605 * .------------------------------------------------------------.
606 * | a_id(t_u16): IEEE Association ID |
607 * .------------------------------------------------------------.
608 * | IEEE IEs(variable): Any received IEs comprising the |
609 * | remaining portion of a received |
610 * | association response frame. |
611 * .------------------------------------------------------------.
612 *
613 * For simplistic handling, the status_code field can be used to determine
614 * an association success (0) or failure (non-zero).
615 */
616int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700617 struct host_cmd_ds_command *resp)
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700618{
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700619 struct mwifiex_adapter *adapter = priv->adapter;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700620 int ret = 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700621 struct ieee_types_assoc_rsp *assoc_rsp;
622 struct mwifiex_bssdescriptor *bss_desc;
Peter Senna Tschudinc8561972013-09-22 00:27:43 +0200623 bool enable_data = true;
Amitkumar Karwar7532c7d2013-01-17 17:41:57 -0800624 u16 cap_info, status_code;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700625
626 assoc_rsp = (struct ieee_types_assoc_rsp *) &resp->params;
627
Amitkumar Karwar7532c7d2013-01-17 17:41:57 -0800628 cap_info = le16_to_cpu(assoc_rsp->cap_info_bitmap);
629 status_code = le16_to_cpu(assoc_rsp->status_code);
630
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700631 priv->assoc_rsp_size = min(le16_to_cpu(resp->size) - S_DS_GEN,
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700632 sizeof(priv->assoc_rsp_buf));
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700633
634 memcpy(priv->assoc_rsp_buf, &resp->params, priv->assoc_rsp_size);
635
Amitkumar Karwar7532c7d2013-01-17 17:41:57 -0800636 if (status_code) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700637 priv->adapter->dbg.num_cmd_assoc_failure++;
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700638 dev_err(priv->adapter->dev,
639 "ASSOC_RESP: failed, status code=%d err=%#x a_id=%#x\n",
Amitkumar Karwar7532c7d2013-01-17 17:41:57 -0800640 status_code, cap_info, le16_to_cpu(assoc_rsp->a_id));
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700641
Amitkumar Karwar7532c7d2013-01-17 17:41:57 -0800642 if (cap_info == MWIFIEX_TIMEOUT_FOR_AP_RESP) {
643 if (status_code == MWIFIEX_STATUS_CODE_AUTH_TIMEOUT)
644 ret = WLAN_STATUS_AUTH_TIMEOUT;
645 else
646 ret = WLAN_STATUS_UNSPECIFIED_FAILURE;
647 } else {
648 ret = status_code;
649 }
650
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700651 goto done;
652 }
653
654 /* Send a Media Connected event, according to the Spec */
655 priv->media_connected = true;
656
657 priv->adapter->ps_state = PS_STATE_AWAKE;
658 priv->adapter->pps_uapsd_mode = false;
659 priv->adapter->tx_lock_flag = false;
660
661 /* Set the attempted BSSID Index to current */
662 bss_desc = priv->attempted_bss_desc;
663
664 dev_dbg(priv->adapter->dev, "info: ASSOC_RESP: %s\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700665 bss_desc->ssid.ssid);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700666
667 /* Make a copy of current BSSID descriptor */
668 memcpy(&priv->curr_bss_params.bss_descriptor,
669 bss_desc, sizeof(struct mwifiex_bssdescriptor));
670
671 /* Update curr_bss_params */
672 priv->curr_bss_params.bss_descriptor.channel
673 = bss_desc->phy_param_set.ds_param_set.current_chan;
674
675 priv->curr_bss_params.band = (u8) bss_desc->bss_band;
676
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700677 if (bss_desc->wmm_ie.vend_hdr.element_id == WLAN_EID_VENDOR_SPECIFIC)
678 priv->curr_bss_params.wmm_enabled = true;
679 else
680 priv->curr_bss_params.wmm_enabled = false;
681
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700682 if ((priv->wmm_required || bss_desc->bcn_ht_cap) &&
683 priv->curr_bss_params.wmm_enabled)
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700684 priv->wmm_enabled = true;
685 else
686 priv->wmm_enabled = false;
687
688 priv->curr_bss_params.wmm_uapsd_enabled = false;
689
690 if (priv->wmm_enabled)
691 priv->curr_bss_params.wmm_uapsd_enabled
692 = ((bss_desc->wmm_ie.qos_info_bitmap &
693 IEEE80211_WMM_IE_AP_QOSINFO_UAPSD) ? 1 : 0);
694
695 dev_dbg(priv->adapter->dev, "info: ASSOC_RESP: curr_pkt_filter is %#x\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700696 priv->curr_pkt_filter);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700697 if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled)
698 priv->wpa_is_gtk_set = false;
699
700 if (priv->wmm_enabled) {
701 /* Don't re-enable carrier until we get the WMM_GET_STATUS
702 event */
703 enable_data = false;
704 } else {
705 /* Since WMM is not enabled, setup the queues with the
706 defaults */
707 mwifiex_wmm_setup_queue_priorities(priv, NULL);
708 mwifiex_wmm_setup_ac_downgrade(priv);
709 }
710
711 if (enable_data)
712 dev_dbg(priv->adapter->dev,
713 "info: post association, re-enabling data flow\n");
714
715 /* Reset SNR/NF/RSSI values */
716 priv->data_rssi_last = 0;
717 priv->data_nf_last = 0;
718 priv->data_rssi_avg = 0;
719 priv->data_nf_avg = 0;
720 priv->bcn_rssi_last = 0;
721 priv->bcn_nf_last = 0;
722 priv->bcn_rssi_avg = 0;
723 priv->bcn_nf_avg = 0;
724 priv->rxpd_rate = 0;
725 priv->rxpd_htinfo = 0;
726
727 mwifiex_save_curr_bcn(priv);
728
729 priv->adapter->dbg.num_cmd_assoc_success++;
730
731 dev_dbg(priv->adapter->dev, "info: ASSOC_RESP: associated\n");
732
733 /* Add the ra_list here for infra mode as there will be only 1 ra
734 always */
735 mwifiex_ralist_add(priv,
736 priv->curr_bss_params.bss_descriptor.mac_address);
737
738 if (!netif_carrier_ok(priv->netdev))
739 netif_carrier_on(priv->netdev);
Avinash Patil47411a02012-11-01 18:44:16 -0700740 mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700741
742 if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled)
743 priv->scan_block = true;
744
745done:
746 /* Need to indicate IOCTL complete */
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700747 if (adapter->curr_cmd->wait_q_enabled) {
748 if (ret)
749 adapter->cmd_wait_q.status = -1;
750 else
751 adapter->cmd_wait_q.status = 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700752 }
753
754 return ret;
755}
756
757/*
758 * This function prepares command for ad-hoc start.
759 *
760 * Driver will fill up SSID, BSS mode, IBSS parameters, physical
761 * parameters, probe delay, and capability information. Firmware
762 * will fill up beacon period, basic rates and operational rates.
763 *
764 * In addition, the following TLVs are added -
765 * - Channel TLV
766 * - Vendor specific IE
767 * - WPA/WPA2 IE
768 * - HT Capabilities IE
769 * - HT Information IE
770 *
771 * Preparation also includes -
772 * - Setting command ID and proper size
773 * - Ensuring correct endian-ness
774 */
775int
776mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
Amitkumar Karwara5ffddb2011-06-20 15:21:48 -0700777 struct host_cmd_ds_command *cmd,
Amitkumar Karwarb9be5f32012-02-27 22:04:14 -0800778 struct cfg80211_ssid *req_ssid)
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700779{
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700780 int rsn_ie_len = 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700781 struct mwifiex_adapter *adapter = priv->adapter;
782 struct host_cmd_ds_802_11_ad_hoc_start *adhoc_start =
783 &cmd->params.adhoc_start;
784 struct mwifiex_bssdescriptor *bss_desc;
785 u32 cmd_append_size = 0;
786 u32 i;
787 u16 tmp_cap;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700788 struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
Yogesh Ashok Powareedf15d2011-11-07 21:41:07 -0800789 u8 radio_type;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700790
791 struct mwifiex_ie_types_htcap *ht_cap;
792 struct mwifiex_ie_types_htinfo *ht_info;
793 u8 *pos = (u8 *) adhoc_start +
794 sizeof(struct host_cmd_ds_802_11_ad_hoc_start);
795
796 if (!adapter)
797 return -1;
798
799 cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_START);
800
801 bss_desc = &priv->curr_bss_params.bss_descriptor;
802 priv->attempted_bss_desc = bss_desc;
803
804 /*
805 * Fill in the parameters for 2 data structures:
806 * 1. struct host_cmd_ds_802_11_ad_hoc_start command
807 * 2. bss_desc
808 * Driver will fill up SSID, bss_mode,IBSS param, Physical Param,
809 * probe delay, and Cap info.
810 * Firmware will fill up beacon period, Basic rates
811 * and operational rates.
812 */
813
814 memset(adhoc_start->ssid, 0, IEEE80211_MAX_SSID_LEN);
815
Amitkumar Karwara5ffddb2011-06-20 15:21:48 -0700816 memcpy(adhoc_start->ssid, req_ssid->ssid, req_ssid->ssid_len);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700817
818 dev_dbg(adapter->dev, "info: ADHOC_S_CMD: SSID = %s\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700819 adhoc_start->ssid);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700820
821 memset(bss_desc->ssid.ssid, 0, IEEE80211_MAX_SSID_LEN);
Amitkumar Karwara5ffddb2011-06-20 15:21:48 -0700822 memcpy(bss_desc->ssid.ssid, req_ssid->ssid, req_ssid->ssid_len);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700823
Amitkumar Karwara5ffddb2011-06-20 15:21:48 -0700824 bss_desc->ssid.ssid_len = req_ssid->ssid_len;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700825
826 /* Set the BSS mode */
827 adhoc_start->bss_mode = HostCmd_BSS_MODE_IBSS;
Bing Zhaoeecd8252011-03-28 17:55:41 -0700828 bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700829 adhoc_start->beacon_period = cpu_to_le16(priv->beacon_period);
830 bss_desc->beacon_period = priv->beacon_period;
831
832 /* Set Physical param set */
833/* Parameter IE Id */
834#define DS_PARA_IE_ID 3
835/* Parameter IE length */
836#define DS_PARA_IE_LEN 1
837
838 adhoc_start->phy_param_set.ds_param_set.element_id = DS_PARA_IE_ID;
839 adhoc_start->phy_param_set.ds_param_set.len = DS_PARA_IE_LEN;
840
Yogesh Ashok Powar6685d102012-03-12 19:35:10 -0700841 if (!mwifiex_get_cfp(priv, adapter->adhoc_start_band,
842 (u16) priv->adhoc_channel, 0)) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700843 struct mwifiex_chan_freq_power *cfp;
Yogesh Ashok Powar6685d102012-03-12 19:35:10 -0700844 cfp = mwifiex_get_cfp(priv, adapter->adhoc_start_band,
845 FIRST_VALID_CHANNEL, 0);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700846 if (cfp)
847 priv->adhoc_channel = (u8) cfp->channel;
848 }
849
850 if (!priv->adhoc_channel) {
851 dev_err(adapter->dev, "ADHOC_S_CMD: adhoc_channel cannot be 0\n");
852 return -1;
853 }
854
855 dev_dbg(adapter->dev, "info: ADHOC_S_CMD: creating ADHOC on channel %d\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700856 priv->adhoc_channel);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700857
858 priv->curr_bss_params.bss_descriptor.channel = priv->adhoc_channel;
859 priv->curr_bss_params.band = adapter->adhoc_start_band;
860
861 bss_desc->channel = priv->adhoc_channel;
862 adhoc_start->phy_param_set.ds_param_set.current_chan =
863 priv->adhoc_channel;
864
865 memcpy(&bss_desc->phy_param_set, &adhoc_start->phy_param_set,
866 sizeof(union ieee_types_phy_param_set));
867
868 /* Set IBSS param set */
869/* IBSS parameter IE Id */
870#define IBSS_PARA_IE_ID 6
871/* IBSS parameter IE length */
872#define IBSS_PARA_IE_LEN 2
873
874 adhoc_start->ss_param_set.ibss_param_set.element_id = IBSS_PARA_IE_ID;
875 adhoc_start->ss_param_set.ibss_param_set.len = IBSS_PARA_IE_LEN;
876 adhoc_start->ss_param_set.ibss_param_set.atim_window
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700877 = cpu_to_le16(priv->atim_window);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700878 memcpy(&bss_desc->ss_param_set, &adhoc_start->ss_param_set,
879 sizeof(union ieee_types_ss_param_set));
880
881 /* Set Capability info */
882 bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_IBSS;
883 tmp_cap = le16_to_cpu(adhoc_start->cap_info_bitmap);
884 tmp_cap &= ~WLAN_CAPABILITY_ESS;
885 tmp_cap |= WLAN_CAPABILITY_IBSS;
886
887 /* Set up privacy in bss_desc */
Yogesh Ashok Powar2be50b82011-04-01 18:36:47 -0700888 if (priv->sec_info.encryption_mode) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700889 /* Ad-Hoc capability privacy on */
890 dev_dbg(adapter->dev,
891 "info: ADHOC_S_CMD: wep_status set privacy to WEP\n");
892 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
893 tmp_cap |= WLAN_CAPABILITY_PRIVACY;
894 } else {
895 dev_dbg(adapter->dev, "info: ADHOC_S_CMD: wep_status NOT set,"
896 " setting privacy to ACCEPT ALL\n");
897 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
898 }
899
Yogesh Ashok Powar63af6332011-11-07 21:41:09 -0800900 memset(adhoc_start->data_rate, 0, sizeof(adhoc_start->data_rate));
901 mwifiex_get_active_data_rates(priv, adhoc_start->data_rate);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700902 if ((adapter->adhoc_start_band & BAND_G) &&
903 (priv->curr_pkt_filter & HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON)) {
Bing Zhaofa0ecbb2014-02-27 19:35:12 -0800904 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
905 HostCmd_ACT_GEN_SET, 0,
906 &priv->curr_pkt_filter, false)) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700907 dev_err(adapter->dev,
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700908 "ADHOC_S_CMD: G Protection config failed\n");
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700909 return -1;
910 }
911 }
912 /* Find the last non zero */
Yogesh Ashok Powar63af6332011-11-07 21:41:09 -0800913 for (i = 0; i < sizeof(adhoc_start->data_rate); i++)
914 if (!adhoc_start->data_rate[i])
915 break;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700916
917 priv->curr_bss_params.num_of_rates = i;
918
919 /* Copy the ad-hoc creating rates into Current BSS rate structure */
920 memcpy(&priv->curr_bss_params.data_rates,
Yogesh Ashok Powar63af6332011-11-07 21:41:09 -0800921 &adhoc_start->data_rate, priv->curr_bss_params.num_of_rates);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700922
Andy Shevchenko5f07d152013-05-29 13:04:20 +0300923 dev_dbg(adapter->dev, "info: ADHOC_S_CMD: rates=%4ph\n",
924 adhoc_start->data_rate);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700925
926 dev_dbg(adapter->dev, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n");
927
928 if (IS_SUPPORT_MULTI_BANDS(adapter)) {
929 /* Append a channel TLV */
930 chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
931 chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
932 chan_tlv->header.len =
933 cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
934
935 memset(chan_tlv->chan_scan_param, 0x00,
936 sizeof(struct mwifiex_chan_scan_param_set));
937 chan_tlv->chan_scan_param[0].chan_number =
938 (u8) priv->curr_bss_params.bss_descriptor.channel;
939
940 dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Chan = %d\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700941 chan_tlv->chan_scan_param[0].chan_number);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700942
943 chan_tlv->chan_scan_param[0].radio_type
944 = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700945 if (adapter->adhoc_start_band & BAND_GN ||
946 adapter->adhoc_start_band & BAND_AN) {
Amitkumar Karwar21c3ba32011-12-20 23:47:21 -0800947 if (adapter->sec_chan_offset ==
948 IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700949 chan_tlv->chan_scan_param[0].radio_type |=
Amitkumar Karwar21c3ba32011-12-20 23:47:21 -0800950 (IEEE80211_HT_PARAM_CHA_SEC_ABOVE << 4);
951 else if (adapter->sec_chan_offset ==
952 IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700953 chan_tlv->chan_scan_param[0].radio_type |=
Amitkumar Karwar21c3ba32011-12-20 23:47:21 -0800954 (IEEE80211_HT_PARAM_CHA_SEC_BELOW << 4);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700955 }
956 dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Band = %d\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700957 chan_tlv->chan_scan_param[0].radio_type);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700958 pos += sizeof(chan_tlv->header) +
959 sizeof(struct mwifiex_chan_scan_param_set);
960 cmd_append_size +=
961 sizeof(chan_tlv->header) +
962 sizeof(struct mwifiex_chan_scan_param_set);
963 }
964
965 /* Append vendor specific IE TLV */
966 cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv,
967 MWIFIEX_VSIE_MASK_ADHOC, &pos);
968
969 if (priv->sec_info.wpa_enabled) {
970 rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
971 if (rsn_ie_len == -1)
972 return -1;
973 cmd_append_size += rsn_ie_len;
974 }
975
976 if (adapter->adhoc_11n_enabled) {
Yogesh Ashok Powareedf15d2011-11-07 21:41:07 -0800977 /* Fill HT CAPABILITY */
978 ht_cap = (struct mwifiex_ie_types_htcap *) pos;
979 memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap));
980 ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
981 ht_cap->header.len =
982 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
983 radio_type = mwifiex_band_to_radio_type(
984 priv->adapter->config_bands);
Amitkumar Karwar341b8802014-02-07 16:27:31 -0800985 mwifiex_fill_cap_info(priv, radio_type, &ht_cap->ht_cap);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700986
Amitkumar Karward35f1032013-01-02 16:56:00 -0800987 if (adapter->sec_chan_offset ==
988 IEEE80211_HT_PARAM_CHA_SEC_NONE) {
989 u16 tmp_ht_cap;
990
991 tmp_ht_cap = le16_to_cpu(ht_cap->ht_cap.cap_info);
992 tmp_ht_cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
993 tmp_ht_cap &= ~IEEE80211_HT_CAP_SGI_40;
994 ht_cap->ht_cap.cap_info = cpu_to_le16(tmp_ht_cap);
995 }
996
Yogesh Ashok Powareedf15d2011-11-07 21:41:07 -0800997 pos += sizeof(struct mwifiex_ie_types_htcap);
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -0700998 cmd_append_size += sizeof(struct mwifiex_ie_types_htcap);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700999
Yogesh Ashok Powareedf15d2011-11-07 21:41:07 -08001000 /* Fill HT INFORMATION */
1001 ht_info = (struct mwifiex_ie_types_htinfo *) pos;
1002 memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo));
Johannes Berg074d46d2012-03-15 19:45:16 +01001003 ht_info->header.type = cpu_to_le16(WLAN_EID_HT_OPERATION);
Yogesh Ashok Powareedf15d2011-11-07 21:41:07 -08001004 ht_info->header.len =
Johannes Berg074d46d2012-03-15 19:45:16 +01001005 cpu_to_le16(sizeof(struct ieee80211_ht_operation));
Yogesh Ashok Powareedf15d2011-11-07 21:41:07 -08001006
Johannes Berg074d46d2012-03-15 19:45:16 +01001007 ht_info->ht_oper.primary_chan =
Yogesh Ashok Powareedf15d2011-11-07 21:41:07 -08001008 (u8) priv->curr_bss_params.bss_descriptor.channel;
Amitkumar Karwar21c3ba32011-12-20 23:47:21 -08001009 if (adapter->sec_chan_offset) {
Johannes Berg074d46d2012-03-15 19:45:16 +01001010 ht_info->ht_oper.ht_param = adapter->sec_chan_offset;
1011 ht_info->ht_oper.ht_param |=
Marc Yang6d2bd912011-03-25 19:47:02 -07001012 IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001013 }
Johannes Berg074d46d2012-03-15 19:45:16 +01001014 ht_info->ht_oper.operation_mode =
Yogesh Ashok Powareedf15d2011-11-07 21:41:07 -08001015 cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
Johannes Berg074d46d2012-03-15 19:45:16 +01001016 ht_info->ht_oper.basic_set[0] = 0xff;
Yogesh Ashok Powareedf15d2011-11-07 21:41:07 -08001017 pos += sizeof(struct mwifiex_ie_types_htinfo);
1018 cmd_append_size +=
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001019 sizeof(struct mwifiex_ie_types_htinfo);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001020 }
1021
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001022 cmd->size =
1023 cpu_to_le16((u16)(sizeof(struct host_cmd_ds_802_11_ad_hoc_start)
1024 + S_DS_GEN + cmd_append_size));
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001025
1026 if (adapter->adhoc_start_band == BAND_B)
Bing Zhaob93f85f2011-03-25 19:47:01 -07001027 tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001028 else
Bing Zhaob93f85f2011-03-25 19:47:01 -07001029 tmp_cap |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001030
1031 adhoc_start->cap_info_bitmap = cpu_to_le16(tmp_cap);
1032
1033 return 0;
1034}
1035
1036/*
1037 * This function prepares command for ad-hoc join.
1038 *
1039 * Most of the parameters are set up by copying from the target BSS descriptor
1040 * from the scan response.
1041 *
1042 * In addition, the following TLVs are added -
1043 * - Channel TLV
1044 * - Vendor specific IE
1045 * - WPA/WPA2 IE
1046 * - 11n IE
1047 *
1048 * Preparation also includes -
1049 * - Setting command ID and proper size
1050 * - Ensuring correct endian-ness
1051 */
1052int
1053mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
Amitkumar Karwara5ffddb2011-06-20 15:21:48 -07001054 struct host_cmd_ds_command *cmd,
1055 struct mwifiex_bssdescriptor *bss_desc)
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001056{
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -07001057 int rsn_ie_len = 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001058 struct host_cmd_ds_802_11_ad_hoc_join *adhoc_join =
1059 &cmd->params.adhoc_join;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001060 struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
1061 u32 cmd_append_size = 0;
1062 u16 tmp_cap;
1063 u32 i, rates_size = 0;
1064 u16 curr_pkt_filter;
1065 u8 *pos =
1066 (u8 *) adhoc_join +
1067 sizeof(struct host_cmd_ds_802_11_ad_hoc_join);
1068
1069/* Use G protection */
1070#define USE_G_PROTECTION 0x02
1071 if (bss_desc->erp_flags & USE_G_PROTECTION) {
1072 curr_pkt_filter =
1073 priv->
1074 curr_pkt_filter | HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON;
1075
Bing Zhaofa0ecbb2014-02-27 19:35:12 -08001076 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
1077 HostCmd_ACT_GEN_SET, 0,
1078 &curr_pkt_filter, false)) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001079 dev_err(priv->adapter->dev,
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001080 "ADHOC_J_CMD: G Protection config failed\n");
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001081 return -1;
1082 }
1083 }
1084
1085 priv->attempted_bss_desc = bss_desc;
1086
1087 cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_JOIN);
1088
1089 adhoc_join->bss_descriptor.bss_mode = HostCmd_BSS_MODE_IBSS;
1090
1091 adhoc_join->bss_descriptor.beacon_period
1092 = cpu_to_le16(bss_desc->beacon_period);
1093
1094 memcpy(&adhoc_join->bss_descriptor.bssid,
1095 &bss_desc->mac_address, ETH_ALEN);
1096
1097 memcpy(&adhoc_join->bss_descriptor.ssid,
1098 &bss_desc->ssid.ssid, bss_desc->ssid.ssid_len);
1099
1100 memcpy(&adhoc_join->bss_descriptor.phy_param_set,
1101 &bss_desc->phy_param_set,
1102 sizeof(union ieee_types_phy_param_set));
1103
1104 memcpy(&adhoc_join->bss_descriptor.ss_param_set,
1105 &bss_desc->ss_param_set, sizeof(union ieee_types_ss_param_set));
1106
1107 tmp_cap = bss_desc->cap_info_bitmap;
1108
1109 tmp_cap &= CAPINFO_MASK;
1110
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001111 dev_dbg(priv->adapter->dev,
1112 "info: ADHOC_J_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
1113 tmp_cap, CAPINFO_MASK);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001114
1115 /* Information on BSSID descriptor passed to FW */
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001116 dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: BSSID=%pM, SSID='%s'\n",
1117 adhoc_join->bss_descriptor.bssid,
1118 adhoc_join->bss_descriptor.ssid);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001119
Bing Zhao5f0fabf2013-03-07 20:00:16 -08001120 for (i = 0; i < MWIFIEX_SUPPORTED_RATES &&
1121 bss_desc->supported_rates[i]; i++)
1122 ;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001123 rates_size = i;
1124
1125 /* Copy Data Rates from the Rates recorded in scan response */
1126 memset(adhoc_join->bss_descriptor.data_rates, 0,
1127 sizeof(adhoc_join->bss_descriptor.data_rates));
1128 memcpy(adhoc_join->bss_descriptor.data_rates,
1129 bss_desc->supported_rates, rates_size);
1130
1131 /* Copy the adhoc join rates into Current BSS state structure */
1132 priv->curr_bss_params.num_of_rates = rates_size;
1133 memcpy(&priv->curr_bss_params.data_rates, bss_desc->supported_rates,
1134 rates_size);
1135
1136 /* Copy the channel information */
1137 priv->curr_bss_params.bss_descriptor.channel = bss_desc->channel;
1138 priv->curr_bss_params.band = (u8) bss_desc->bss_band;
1139
Amitkumar Karwar5eb02e42012-02-24 21:36:04 -08001140 if (priv->sec_info.wep_enabled || priv->sec_info.wpa_enabled)
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001141 tmp_cap |= WLAN_CAPABILITY_PRIVACY;
1142
1143 if (IS_SUPPORT_MULTI_BANDS(priv->adapter)) {
1144 /* Append a channel TLV */
1145 chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
1146 chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
1147 chan_tlv->header.len =
1148 cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
1149
1150 memset(chan_tlv->chan_scan_param, 0x00,
1151 sizeof(struct mwifiex_chan_scan_param_set));
1152 chan_tlv->chan_scan_param[0].chan_number =
1153 (bss_desc->phy_param_set.ds_param_set.current_chan);
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001154 dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: TLV Chan=%d\n",
1155 chan_tlv->chan_scan_param[0].chan_number);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001156
1157 chan_tlv->chan_scan_param[0].radio_type =
1158 mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
1159
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001160 dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: TLV Band=%d\n",
1161 chan_tlv->chan_scan_param[0].radio_type);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001162 pos += sizeof(chan_tlv->header) +
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001163 sizeof(struct mwifiex_chan_scan_param_set);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001164 cmd_append_size += sizeof(chan_tlv->header) +
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001165 sizeof(struct mwifiex_chan_scan_param_set);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001166 }
1167
1168 if (priv->sec_info.wpa_enabled)
1169 rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
1170 if (rsn_ie_len == -1)
1171 return -1;
1172 cmd_append_size += rsn_ie_len;
1173
1174 if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
1175 cmd_append_size += mwifiex_cmd_append_11n_tlv(priv,
1176 bss_desc, &pos);
1177
1178 /* Append vendor specific IE TLV */
1179 cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv,
1180 MWIFIEX_VSIE_MASK_ADHOC, &pos);
1181
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001182 cmd->size = cpu_to_le16
1183 ((u16) (sizeof(struct host_cmd_ds_802_11_ad_hoc_join)
1184 + S_DS_GEN + cmd_append_size));
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001185
1186 adhoc_join->bss_descriptor.cap_info_bitmap = cpu_to_le16(tmp_cap);
1187
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -07001188 return 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001189}
1190
1191/*
1192 * This function handles the command response of ad-hoc start and
1193 * ad-hoc join.
1194 *
1195 * The function generates a device-connected event to notify
1196 * the applications, in case of successful ad-hoc start/join, and
1197 * saves the beacon buffer.
1198 */
1199int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
Amitkumar Karwar600f5d92011-04-13 17:27:06 -07001200 struct host_cmd_ds_command *resp)
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001201{
1202 int ret = 0;
Amitkumar Karwar600f5d92011-04-13 17:27:06 -07001203 struct mwifiex_adapter *adapter = priv->adapter;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001204 struct host_cmd_ds_802_11_ad_hoc_result *adhoc_result;
1205 struct mwifiex_bssdescriptor *bss_desc;
Amitkumar Karwar8cc1d522012-10-05 20:21:43 -07001206 u16 reason_code;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001207
1208 adhoc_result = &resp->params.adhoc_result;
1209
1210 bss_desc = priv->attempted_bss_desc;
1211
1212 /* Join result code 0 --> SUCCESS */
Amitkumar Karwar8cc1d522012-10-05 20:21:43 -07001213 reason_code = le16_to_cpu(resp->result);
1214 if (reason_code) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001215 dev_err(priv->adapter->dev, "ADHOC_RESP: failed\n");
1216 if (priv->media_connected)
Amitkumar Karwar8cc1d522012-10-05 20:21:43 -07001217 mwifiex_reset_connect_state(priv, reason_code);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001218
1219 memset(&priv->curr_bss_params.bss_descriptor,
1220 0x00, sizeof(struct mwifiex_bssdescriptor));
1221
1222 ret = -1;
1223 goto done;
1224 }
1225
1226 /* Send a Media Connected event, according to the Spec */
1227 priv->media_connected = true;
1228
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -07001229 if (le16_to_cpu(resp->command) == HostCmd_CMD_802_11_AD_HOC_START) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001230 dev_dbg(priv->adapter->dev, "info: ADHOC_S_RESP %s\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001231 bss_desc->ssid.ssid);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001232
1233 /* Update the created network descriptor with the new BSSID */
1234 memcpy(bss_desc->mac_address,
1235 adhoc_result->bssid, ETH_ALEN);
1236
1237 priv->adhoc_state = ADHOC_STARTED;
1238 } else {
1239 /*
1240 * Now the join cmd should be successful.
1241 * If BSSID has changed use SSID to compare instead of BSSID
1242 */
1243 dev_dbg(priv->adapter->dev, "info: ADHOC_J_RESP %s\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001244 bss_desc->ssid.ssid);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001245
1246 /*
1247 * Make a copy of current BSSID descriptor, only needed for
1248 * join since the current descriptor is already being used
1249 * for adhoc start
1250 */
1251 memcpy(&priv->curr_bss_params.bss_descriptor,
1252 bss_desc, sizeof(struct mwifiex_bssdescriptor));
1253
1254 priv->adhoc_state = ADHOC_JOINED;
1255 }
1256
1257 dev_dbg(priv->adapter->dev, "info: ADHOC_RESP: channel = %d\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001258 priv->adhoc_channel);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001259 dev_dbg(priv->adapter->dev, "info: ADHOC_RESP: BSSID = %pM\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001260 priv->curr_bss_params.bss_descriptor.mac_address);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001261
1262 if (!netif_carrier_ok(priv->netdev))
1263 netif_carrier_on(priv->netdev);
Avinash Patil47411a02012-11-01 18:44:16 -07001264 mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001265
1266 mwifiex_save_curr_bcn(priv);
1267
1268done:
1269 /* Need to indicate IOCTL complete */
Amitkumar Karwar600f5d92011-04-13 17:27:06 -07001270 if (adapter->curr_cmd->wait_q_enabled) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001271 if (ret)
Amitkumar Karwar600f5d92011-04-13 17:27:06 -07001272 adapter->cmd_wait_q.status = -1;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001273 else
Amitkumar Karwar600f5d92011-04-13 17:27:06 -07001274 adapter->cmd_wait_q.status = 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001275
1276 }
1277
1278 return ret;
1279}
1280
1281/*
1282 * This function associates to a specific BSS discovered in a scan.
1283 *
1284 * It clears any past association response stored for application
1285 * retrieval and calls the command preparation routine to send the
1286 * command to firmware.
1287 */
1288int mwifiex_associate(struct mwifiex_private *priv,
Amitkumar Karwar600f5d92011-04-13 17:27:06 -07001289 struct mwifiex_bssdescriptor *bss_desc)
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001290{
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001291 u8 current_bssid[ETH_ALEN];
1292
Avinash Patil953b3532013-07-29 16:32:37 -07001293 /* Return error if the adapter is not STA role or table entry
1294 * is not marked as infra.
1295 */
1296 if ((GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) ||
Bing Zhaoeecd8252011-03-28 17:55:41 -07001297 (bss_desc->bss_mode != NL80211_IFTYPE_STATION))
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001298 return -1;
1299
Avinash Patil2b6254d2013-03-27 19:10:32 -07001300 if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
1301 !bss_desc->disable_11n && !bss_desc->disable_11ac &&
Bing Zhaof25b1432014-02-07 16:21:01 -08001302 priv->adapter->config_bands & BAND_AAC)
Avinash Patil2b6254d2013-03-27 19:10:32 -07001303 mwifiex_set_11ac_ba_params(priv);
1304 else
1305 mwifiex_set_ba_params(priv);
1306
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001307 memcpy(&current_bssid,
1308 &priv->curr_bss_params.bss_descriptor.mac_address,
1309 sizeof(current_bssid));
1310
1311 /* Clear any past association response stored for application
1312 retrieval */
1313 priv->assoc_rsp_size = 0;
1314
Bing Zhaofa0ecbb2014-02-27 19:35:12 -08001315 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_ASSOCIATE,
1316 HostCmd_ACT_GEN_SET, 0, bss_desc, true);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001317}
1318
1319/*
1320 * This function starts an ad-hoc network.
1321 *
1322 * It calls the command preparation routine to send the command to firmware.
1323 */
1324int
1325mwifiex_adhoc_start(struct mwifiex_private *priv,
Amitkumar Karwarb9be5f32012-02-27 22:04:14 -08001326 struct cfg80211_ssid *adhoc_ssid)
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001327{
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001328 dev_dbg(priv->adapter->dev, "info: Adhoc Channel = %d\n",
1329 priv->adhoc_channel);
1330 dev_dbg(priv->adapter->dev, "info: curr_bss_params.channel = %d\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001331 priv->curr_bss_params.bss_descriptor.channel);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001332 dev_dbg(priv->adapter->dev, "info: curr_bss_params.band = %d\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001333 priv->curr_bss_params.band);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001334
Avinash Patil2b6254d2013-03-27 19:10:32 -07001335 if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
Bing Zhaof25b1432014-02-07 16:21:01 -08001336 priv->adapter->config_bands & BAND_AAC)
Avinash Patil2b6254d2013-03-27 19:10:32 -07001337 mwifiex_set_11ac_ba_params(priv);
1338 else
1339 mwifiex_set_ba_params(priv);
1340
Bing Zhaofa0ecbb2014-02-27 19:35:12 -08001341 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_AD_HOC_START,
1342 HostCmd_ACT_GEN_SET, 0, adhoc_ssid, true);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001343}
1344
1345/*
1346 * This function joins an ad-hoc network found in a previous scan.
1347 *
1348 * It calls the command preparation routine to send the command to firmware,
1349 * if already not connected to the requested SSID.
1350 */
1351int mwifiex_adhoc_join(struct mwifiex_private *priv,
Amitkumar Karwar600f5d92011-04-13 17:27:06 -07001352 struct mwifiex_bssdescriptor *bss_desc)
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001353{
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001354 dev_dbg(priv->adapter->dev, "info: adhoc join: curr_bss ssid =%s\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001355 priv->curr_bss_params.bss_descriptor.ssid.ssid);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001356 dev_dbg(priv->adapter->dev, "info: adhoc join: curr_bss ssid_len =%u\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001357 priv->curr_bss_params.bss_descriptor.ssid.ssid_len);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001358 dev_dbg(priv->adapter->dev, "info: adhoc join: ssid =%s\n",
1359 bss_desc->ssid.ssid);
1360 dev_dbg(priv->adapter->dev, "info: adhoc join: ssid_len =%u\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001361 bss_desc->ssid.ssid_len);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001362
1363 /* Check if the requested SSID is already joined */
1364 if (priv->curr_bss_params.bss_descriptor.ssid.ssid_len &&
1365 !mwifiex_ssid_cmp(&bss_desc->ssid,
1366 &priv->curr_bss_params.bss_descriptor.ssid) &&
1367 (priv->curr_bss_params.bss_descriptor.bss_mode ==
Bing Zhaoeecd8252011-03-28 17:55:41 -07001368 NL80211_IFTYPE_ADHOC)) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001369 dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: new ad-hoc SSID"
1370 " is the same as current; not attempting to re-join\n");
1371 return -1;
1372 }
1373
Avinash Patil2b6254d2013-03-27 19:10:32 -07001374 if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
1375 !bss_desc->disable_11n && !bss_desc->disable_11ac &&
Bing Zhaof25b1432014-02-07 16:21:01 -08001376 priv->adapter->config_bands & BAND_AAC)
Avinash Patil2b6254d2013-03-27 19:10:32 -07001377 mwifiex_set_11ac_ba_params(priv);
1378 else
1379 mwifiex_set_ba_params(priv);
1380
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001381 dev_dbg(priv->adapter->dev, "info: curr_bss_params.channel = %d\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001382 priv->curr_bss_params.bss_descriptor.channel);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001383 dev_dbg(priv->adapter->dev, "info: curr_bss_params.band = %c\n",
Yogesh Ashok Powar931f1582012-03-13 19:22:36 -07001384 priv->curr_bss_params.band);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001385
Bing Zhaofa0ecbb2014-02-27 19:35:12 -08001386 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_AD_HOC_JOIN,
1387 HostCmd_ACT_GEN_SET, 0, bss_desc, true);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001388}
1389
1390/*
1391 * This function deauthenticates/disconnects from infra network by sending
1392 * deauthentication request.
1393 */
Amitkumar Karwar600f5d92011-04-13 17:27:06 -07001394static int mwifiex_deauthenticate_infra(struct mwifiex_private *priv, u8 *mac)
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001395{
1396 u8 mac_address[ETH_ALEN];
Yogesh Ashok Powar270e58e2011-05-03 20:11:46 -07001397 int ret;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001398
Joe Perches2c208892012-06-04 12:44:17 +00001399 if (!mac || is_zero_ether_addr(mac))
1400 memcpy(mac_address,
1401 priv->curr_bss_params.bss_descriptor.mac_address,
1402 ETH_ALEN);
1403 else
1404 memcpy(mac_address, mac, ETH_ALEN);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001405
Bing Zhaofa0ecbb2014-02-27 19:35:12 -08001406 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_DEAUTHENTICATE,
1407 HostCmd_ACT_GEN_SET, 0, mac_address, true);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001408
1409 return ret;
1410}
1411
1412/*
1413 * This function deauthenticates/disconnects from a BSS.
1414 *
1415 * In case of infra made, it sends deauthentication request, and
1416 * in case of ad-hoc mode, a stop network request is sent to the firmware.
Avinash Patil26134e62012-05-08 18:30:21 -07001417 * In AP mode, a command to stop bss is sent to firmware.
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001418 */
Amitkumar Karwar600f5d92011-04-13 17:27:06 -07001419int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac)
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001420{
Avinash Patile8041ce2013-10-11 18:31:31 -07001421 int ret = 0;
1422
Bing Zhao99e126f2012-05-01 19:53:51 -07001423 if (!priv->media_connected)
1424 return 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001425
Bing Zhao99e126f2012-05-01 19:53:51 -07001426 switch (priv->bss_mode) {
1427 case NL80211_IFTYPE_STATION:
Stone Piao5e4c0792013-07-22 19:17:45 -07001428 case NL80211_IFTYPE_P2P_CLIENT:
Avinash Patile8041ce2013-10-11 18:31:31 -07001429 ret = mwifiex_deauthenticate_infra(priv, mac);
1430 if (ret)
1431 cfg80211_disconnected(priv->netdev, 0, NULL, 0,
1432 GFP_KERNEL);
1433 break;
Bing Zhao99e126f2012-05-01 19:53:51 -07001434 case NL80211_IFTYPE_ADHOC:
Bing Zhaofa0ecbb2014-02-27 19:35:12 -08001435 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_AD_HOC_STOP,
1436 HostCmd_ACT_GEN_SET, 0, NULL, true);
Avinash Patil26134e62012-05-08 18:30:21 -07001437 case NL80211_IFTYPE_AP:
Bing Zhaofa0ecbb2014-02-27 19:35:12 -08001438 return mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1439 HostCmd_ACT_GEN_SET, 0, NULL, true);
Bing Zhao99e126f2012-05-01 19:53:51 -07001440 default:
1441 break;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001442 }
1443
Avinash Patile8041ce2013-10-11 18:31:31 -07001444 return ret;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001445}
Amitkumar Karwar848819f2014-02-27 19:35:17 -08001446
1447/* This function deauthenticates/disconnects from all BSS. */
1448void mwifiex_deauthenticate_all(struct mwifiex_adapter *adapter)
1449{
1450 struct mwifiex_private *priv;
1451 int i;
1452
1453 for (i = 0; i < adapter->priv_num; i++) {
1454 priv = adapter->priv[i];
1455 if (priv)
1456 mwifiex_deauthenticate(priv, NULL);
1457 }
1458}
1459EXPORT_SYMBOL_GPL(mwifiex_deauthenticate_all);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001460
1461/*
1462 * This function converts band to radio type used in channel TLV.
1463 */
1464u8
1465mwifiex_band_to_radio_type(u8 band)
1466{
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001467 switch (band) {
1468 case BAND_A:
1469 case BAND_AN:
1470 case BAND_A | BAND_AN:
Yogesh Ashok Powara5f39052013-02-15 21:44:30 -08001471 case BAND_A | BAND_AN | BAND_AAC:
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -07001472 return HostCmd_SCAN_RADIO_TYPE_A;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001473 case BAND_B:
1474 case BAND_G:
1475 case BAND_B | BAND_G:
1476 default:
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -07001477 return HostCmd_SCAN_RADIO_TYPE_BG;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001478 }
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001479}