2 * Marvell Wireless LAN device driver: association and ad-hoc start/join
4 * Copyright (C) 2011-2014, Marvell International Ltd.
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.
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.
29 #define CAPINFO_MASK (~(BIT(15) | BIT(14) | BIT(12) | BIT(11) | BIT(9)))
32 * Append a generic IE as a pass through TLV to a TLV buffer.
34 * This function is called from the network join command preparation routine.
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.
40 mwifiex_cmd_append_generic_ie(struct mwifiex_private *priv, u8 **buffer)
43 struct mwifiex_ie_types_header ie_header;
52 * If there is a generic ie buffer setup, append it to the return
53 * parameter buffer pointer.
55 if (priv->gen_ie_buf_len) {
56 mwifiex_dbg(priv->adapter, INFO,
57 "info: %s: append generic ie len %d to %p\n",
58 __func__, priv->gen_ie_buf_len, *buffer);
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));
65 /* Increment the return size and the return buffer pointer
67 *buffer += sizeof(ie_header);
68 ret_len += sizeof(ie_header);
70 /* Copy the generic IE buffer to the output buffer, advance
72 memcpy(*buffer, priv->gen_ie_buf, priv->gen_ie_buf_len);
74 /* Increment the return size and the return buffer pointer
76 *buffer += priv->gen_ie_buf_len;
77 ret_len += priv->gen_ie_buf_len;
79 /* Reset the generic IE buffer */
80 priv->gen_ie_buf_len = 0;
83 /* return the length appended to the buffer */
88 * Append TSF tracking info from the scan table for the target AP.
90 * This function is called from the network join command preparation routine.
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.
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.
101 mwifiex_cmd_append_tsf_tlv(struct mwifiex_private *priv, u8 **buffer,
102 struct mwifiex_bssdescriptor *bss_desc)
104 struct mwifiex_ie_types_tsf_timestamp tsf_tlv;
113 memset(&tsf_tlv, 0x00, sizeof(struct mwifiex_ie_types_tsf_timestamp));
115 tsf_tlv.header.type = cpu_to_le16(TLV_TYPE_TSFTIMESTAMP);
116 tsf_tlv.header.len = cpu_to_le16(2 * sizeof(tsf_val));
118 memcpy(*buffer, &tsf_tlv, sizeof(tsf_tlv.header));
119 *buffer += sizeof(tsf_tlv.header);
121 /* TSF at the time when beacon/probe_response was received */
122 tsf_val = cpu_to_le64(bss_desc->fw_tsf);
123 memcpy(*buffer, &tsf_val, sizeof(tsf_val));
124 *buffer += sizeof(tsf_val);
126 tsf_val = cpu_to_le64(bss_desc->timestamp);
128 mwifiex_dbg(priv->adapter, INFO,
129 "info: %s: TSF offset calc: %016llx - %016llx\n",
130 __func__, bss_desc->timestamp, bss_desc->fw_tsf);
132 memcpy(*buffer, &tsf_val, sizeof(tsf_val));
133 *buffer += sizeof(tsf_val);
135 return sizeof(tsf_tlv.header) + (2 * sizeof(tsf_val));
139 * This function finds out the common rates between rate1 and rate2.
141 * It will fill common rates in rate1 as output if found.
143 * NOTE: Setting the MSB of the basic rates needs to be taken
144 * care of, either before or after calling this function.
146 static int mwifiex_get_common_rates(struct mwifiex_private *priv, u8 *rate1,
147 u32 rate1_size, u8 *rate2, u32 rate2_size)
150 u8 *ptr = rate1, *tmp;
153 tmp = kmemdup(rate1, rate1_size, GFP_KERNEL);
155 mwifiex_dbg(priv->adapter, ERROR, "failed to alloc tmp buf\n");
159 memset(rate1, 0, rate1_size);
161 for (i = 0; i < rate2_size && rate2[i]; i++) {
162 for (j = 0; j < rate1_size && tmp[j]; j++) {
163 /* Check common rate, excluding the bit for
165 if ((rate2[i] & 0x7F) == (tmp[j] & 0x7F)) {
172 mwifiex_dbg(priv->adapter, INFO, "info: Tx data rate set to %#x\n",
175 if (!priv->is_data_rate_auto) {
177 if ((*ptr & 0x7f) == priv->data_rate) {
183 mwifiex_dbg(priv->adapter, ERROR,
184 "previously set fixed data rate %#x\t"
185 "is not compatible with the network\n",
199 * This function creates the intersection of the rates supported by a
200 * target BSS and our adapter settings for use in an assoc/join command.
203 mwifiex_setup_rates_from_bssdesc(struct mwifiex_private *priv,
204 struct mwifiex_bssdescriptor *bss_desc,
205 u8 *out_rates, u32 *out_rates_size)
207 u8 card_rates[MWIFIEX_SUPPORTED_RATES];
210 /* Copy AP supported rates */
211 memcpy(out_rates, bss_desc->supported_rates, MWIFIEX_SUPPORTED_RATES);
212 /* Get the STA supported rates */
213 card_rates_size = mwifiex_get_active_data_rates(priv, card_rates);
214 /* Get the common rates between AP and STA supported rates */
215 if (mwifiex_get_common_rates(priv, out_rates, MWIFIEX_SUPPORTED_RATES,
216 card_rates, card_rates_size)) {
218 mwifiex_dbg(priv->adapter, ERROR,
219 "%s: cannot get common rates\n",
225 min_t(size_t, strlen(out_rates), MWIFIEX_SUPPORTED_RATES);
231 * This function appends a WPS IE. It is called from the network join command
232 * preparation routine.
234 * If the IE buffer has been setup by the application, this routine appends
235 * the buffer as a WPS TLV type to the request.
238 mwifiex_cmd_append_wps_ie(struct mwifiex_private *priv, u8 **buffer)
241 struct mwifiex_ie_types_header ie_header;
243 if (!buffer || !*buffer)
247 * If there is a wps ie buffer setup, append it to the return
248 * parameter buffer pointer.
250 if (priv->wps_ie_len) {
251 mwifiex_dbg(priv->adapter, CMD,
252 "cmd: append wps ie %d to %p\n",
253 priv->wps_ie_len, *buffer);
255 /* Wrap the generic IE buffer with a pass through TLV type */
256 ie_header.type = cpu_to_le16(TLV_TYPE_MGMT_IE);
257 ie_header.len = cpu_to_le16(priv->wps_ie_len);
258 memcpy(*buffer, &ie_header, sizeof(ie_header));
259 *buffer += sizeof(ie_header);
260 retLen += sizeof(ie_header);
262 memcpy(*buffer, priv->wps_ie, priv->wps_ie_len);
263 *buffer += priv->wps_ie_len;
264 retLen += priv->wps_ie_len;
269 priv->wps_ie_len = 0;
274 * This function appends a WAPI IE.
276 * This function is called from the network join command preparation routine.
278 * If the IE buffer has been setup by the application, this routine appends
279 * the buffer as a WAPI TLV type to the request.
282 mwifiex_cmd_append_wapi_ie(struct mwifiex_private *priv, u8 **buffer)
285 struct mwifiex_ie_types_header ie_header;
294 * If there is a wapi ie buffer setup, append it to the return
295 * parameter buffer pointer.
297 if (priv->wapi_ie_len) {
298 mwifiex_dbg(priv->adapter, CMD,
299 "cmd: append wapi ie %d to %p\n",
300 priv->wapi_ie_len, *buffer);
302 /* Wrap the generic IE buffer with a pass through TLV type */
303 ie_header.type = cpu_to_le16(TLV_TYPE_WAPI_IE);
304 ie_header.len = cpu_to_le16(priv->wapi_ie_len);
305 memcpy(*buffer, &ie_header, sizeof(ie_header));
307 /* Increment the return size and the return buffer pointer
309 *buffer += sizeof(ie_header);
310 retLen += sizeof(ie_header);
312 /* Copy the wapi IE buffer to the output buffer, advance
314 memcpy(*buffer, priv->wapi_ie, priv->wapi_ie_len);
316 /* Increment the return size and the return buffer pointer
318 *buffer += priv->wapi_ie_len;
319 retLen += priv->wapi_ie_len;
322 /* return the length appended to the buffer */
327 * This function appends rsn ie tlv for wpa/wpa2 security modes.
328 * It is called from the network join command preparation routine.
330 static int mwifiex_append_rsn_ie_wpa_wpa2(struct mwifiex_private *priv,
333 struct mwifiex_ie_types_rsn_param_set *rsn_ie_tlv;
336 if (!buffer || !(*buffer))
339 rsn_ie_tlv = (struct mwifiex_ie_types_rsn_param_set *) (*buffer);
340 rsn_ie_tlv->header.type = cpu_to_le16((u16) priv->wpa_ie[0]);
341 rsn_ie_tlv->header.type = cpu_to_le16(
342 le16_to_cpu(rsn_ie_tlv->header.type) & 0x00FF);
343 rsn_ie_tlv->header.len = cpu_to_le16((u16) priv->wpa_ie[1]);
344 rsn_ie_tlv->header.len = cpu_to_le16(le16_to_cpu(rsn_ie_tlv->header.len)
346 if (le16_to_cpu(rsn_ie_tlv->header.len) <= (sizeof(priv->wpa_ie) - 2))
347 memcpy(rsn_ie_tlv->rsn_ie, &priv->wpa_ie[2],
348 le16_to_cpu(rsn_ie_tlv->header.len));
352 rsn_ie_len = sizeof(rsn_ie_tlv->header) +
353 le16_to_cpu(rsn_ie_tlv->header.len);
354 *buffer += rsn_ie_len;
360 * This function prepares command for association.
362 * This sets the following parameters -
366 * - Capability information
368 * ...and the following TLVs, as required -
373 * - Authentication TLV
377 * - Vendor specific TLV
383 * Preparation also includes -
384 * - Setting command ID and proper size
385 * - Ensuring correct endian-ness
387 int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
388 struct host_cmd_ds_command *cmd,
389 struct mwifiex_bssdescriptor *bss_desc)
391 struct host_cmd_ds_802_11_associate *assoc = &cmd->params.associate;
392 struct mwifiex_ie_types_ssid_param_set *ssid_tlv;
393 struct mwifiex_ie_types_phy_param_set *phy_tlv;
394 struct mwifiex_ie_types_ss_param_set *ss_tlv;
395 struct mwifiex_ie_types_rates_param_set *rates_tlv;
396 struct mwifiex_ie_types_auth_type *auth_tlv;
397 struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
398 u8 rates[MWIFIEX_SUPPORTED_RATES];
406 cmd->command = cpu_to_le16(HostCmd_CMD_802_11_ASSOCIATE);
408 /* Save so we know which BSS Desc to use in the response handler */
409 priv->attempted_bss_desc = bss_desc;
411 memcpy(assoc->peer_sta_addr,
412 bss_desc->mac_address, sizeof(assoc->peer_sta_addr));
413 pos += sizeof(assoc->peer_sta_addr);
415 /* Set the listen interval */
416 assoc->listen_interval = cpu_to_le16(priv->listen_interval);
417 /* Set the beacon period */
418 assoc->beacon_period = cpu_to_le16(bss_desc->beacon_period);
420 pos += sizeof(assoc->cap_info_bitmap);
421 pos += sizeof(assoc->listen_interval);
422 pos += sizeof(assoc->beacon_period);
423 pos += sizeof(assoc->dtim_period);
425 ssid_tlv = (struct mwifiex_ie_types_ssid_param_set *) pos;
426 ssid_tlv->header.type = cpu_to_le16(WLAN_EID_SSID);
427 ssid_tlv->header.len = cpu_to_le16((u16) bss_desc->ssid.ssid_len);
428 memcpy(ssid_tlv->ssid, bss_desc->ssid.ssid,
429 le16_to_cpu(ssid_tlv->header.len));
430 pos += sizeof(ssid_tlv->header) + le16_to_cpu(ssid_tlv->header.len);
432 phy_tlv = (struct mwifiex_ie_types_phy_param_set *) pos;
433 phy_tlv->header.type = cpu_to_le16(WLAN_EID_DS_PARAMS);
434 phy_tlv->header.len = cpu_to_le16(sizeof(phy_tlv->fh_ds.ds_param_set));
435 memcpy(&phy_tlv->fh_ds.ds_param_set,
436 &bss_desc->phy_param_set.ds_param_set.current_chan,
437 sizeof(phy_tlv->fh_ds.ds_param_set));
438 pos += sizeof(phy_tlv->header) + le16_to_cpu(phy_tlv->header.len);
440 ss_tlv = (struct mwifiex_ie_types_ss_param_set *) pos;
441 ss_tlv->header.type = cpu_to_le16(WLAN_EID_CF_PARAMS);
442 ss_tlv->header.len = cpu_to_le16(sizeof(ss_tlv->cf_ibss.cf_param_set));
443 pos += sizeof(ss_tlv->header) + le16_to_cpu(ss_tlv->header.len);
445 /* Get the common rates supported between the driver and the BSS Desc */
446 if (mwifiex_setup_rates_from_bssdesc
447 (priv, bss_desc, rates, &rates_size))
450 /* Save the data rates into Current BSS state structure */
451 priv->curr_bss_params.num_of_rates = rates_size;
452 memcpy(&priv->curr_bss_params.data_rates, rates, rates_size);
454 /* Setup the Rates TLV in the association command */
455 rates_tlv = (struct mwifiex_ie_types_rates_param_set *) pos;
456 rates_tlv->header.type = cpu_to_le16(WLAN_EID_SUPP_RATES);
457 rates_tlv->header.len = cpu_to_le16((u16) rates_size);
458 memcpy(rates_tlv->rates, rates, rates_size);
459 pos += sizeof(rates_tlv->header) + rates_size;
460 mwifiex_dbg(priv->adapter, INFO, "info: ASSOC_CMD: rates size = %d\n",
463 /* Add the Authentication type to be used for Auth frames */
464 auth_tlv = (struct mwifiex_ie_types_auth_type *) pos;
465 auth_tlv->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
466 auth_tlv->header.len = cpu_to_le16(sizeof(auth_tlv->auth_type));
467 if (priv->sec_info.wep_enabled)
468 auth_tlv->auth_type = cpu_to_le16(
469 (u16) priv->sec_info.authentication_mode);
471 auth_tlv->auth_type = cpu_to_le16(NL80211_AUTHTYPE_OPEN_SYSTEM);
473 pos += sizeof(auth_tlv->header) + le16_to_cpu(auth_tlv->header.len);
475 if (IS_SUPPORT_MULTI_BANDS(priv->adapter) &&
476 !(ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
477 (!bss_desc->disable_11n) &&
478 (priv->adapter->config_bands & BAND_GN ||
479 priv->adapter->config_bands & BAND_AN) &&
480 (bss_desc->bcn_ht_cap)
483 /* Append a channel TLV for the channel the attempted AP was
485 chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
486 chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
487 chan_tlv->header.len =
488 cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
490 memset(chan_tlv->chan_scan_param, 0x00,
491 sizeof(struct mwifiex_chan_scan_param_set));
492 chan_tlv->chan_scan_param[0].chan_number =
493 (bss_desc->phy_param_set.ds_param_set.current_chan);
494 mwifiex_dbg(priv->adapter, INFO, "info: Assoc: TLV Chan = %d\n",
495 chan_tlv->chan_scan_param[0].chan_number);
497 chan_tlv->chan_scan_param[0].radio_type =
498 mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
500 mwifiex_dbg(priv->adapter, INFO, "info: Assoc: TLV Band = %d\n",
501 chan_tlv->chan_scan_param[0].radio_type);
502 pos += sizeof(chan_tlv->header) +
503 sizeof(struct mwifiex_chan_scan_param_set);
506 if (!priv->wps.session_enable) {
507 if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled)
508 rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
510 if (rsn_ie_len == -1)
514 if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
515 (!bss_desc->disable_11n) &&
516 (priv->adapter->config_bands & BAND_GN ||
517 priv->adapter->config_bands & BAND_AN))
518 mwifiex_cmd_append_11n_tlv(priv, bss_desc, &pos);
520 if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
521 !bss_desc->disable_11n && !bss_desc->disable_11ac &&
522 priv->adapter->config_bands & BAND_AAC)
523 mwifiex_cmd_append_11ac_tlv(priv, bss_desc, &pos);
525 /* Append vendor specific IE TLV */
526 mwifiex_cmd_append_vsie_tlv(priv, MWIFIEX_VSIE_MASK_ASSOC, &pos);
528 mwifiex_wmm_process_association_req(priv, &pos, &bss_desc->wmm_ie,
529 bss_desc->bcn_ht_cap);
530 if (priv->sec_info.wapi_enabled && priv->wapi_ie_len)
531 mwifiex_cmd_append_wapi_ie(priv, &pos);
533 if (priv->wps.session_enable && priv->wps_ie_len)
534 mwifiex_cmd_append_wps_ie(priv, &pos);
536 mwifiex_cmd_append_generic_ie(priv, &pos);
538 mwifiex_cmd_append_tsf_tlv(priv, &pos, bss_desc);
540 mwifiex_11h_process_join(priv, &pos, bss_desc);
542 cmd->size = cpu_to_le16((u16) (pos - (u8 *) assoc) + S_DS_GEN);
544 /* Set the Capability info at last */
545 tmp_cap = bss_desc->cap_info_bitmap;
547 if (priv->adapter->config_bands == BAND_B)
548 tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
550 tmp_cap &= CAPINFO_MASK;
551 mwifiex_dbg(priv->adapter, INFO,
552 "info: ASSOC_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
553 tmp_cap, CAPINFO_MASK);
554 assoc->cap_info_bitmap = cpu_to_le16(tmp_cap);
559 static const char *assoc_failure_reason_to_str(u16 cap_info)
562 case CONNECT_ERR_AUTH_ERR_STA_FAILURE:
563 return "CONNECT_ERR_AUTH_ERR_STA_FAILURE";
564 case CONNECT_ERR_AUTH_MSG_UNHANDLED:
565 return "CONNECT_ERR_AUTH_MSG_UNHANDLED";
566 case CONNECT_ERR_ASSOC_ERR_TIMEOUT:
567 return "CONNECT_ERR_ASSOC_ERR_TIMEOUT";
568 case CONNECT_ERR_ASSOC_ERR_AUTH_REFUSED:
569 return "CONNECT_ERR_ASSOC_ERR_AUTH_REFUSED";
570 case CONNECT_ERR_STA_FAILURE:
571 return "CONNECT_ERR_STA_FAILURE";
574 return "Unknown connect failure";
577 * Association firmware command response handler
579 * The response buffer for the association command has the following
582 * For cases where an association response was not received (indicated
583 * by the CapInfo and AId field):
585 * .------------------------------------------------------------.
586 * | Header(4 * sizeof(t_u16)): Standard command response hdr |
587 * .------------------------------------------------------------.
588 * | cap_info/Error Return(t_u16): |
589 * | 0xFFFF(-1): Internal error |
590 * | 0xFFFE(-2): Authentication unhandled message |
591 * | 0xFFFD(-3): Authentication refused |
592 * | 0xFFFC(-4): Timeout waiting for AP response |
593 * .------------------------------------------------------------.
594 * | status_code(t_u16): |
595 * | If cap_info is -1: |
596 * | An internal firmware failure prevented the |
597 * | command from being processed. The status_code |
598 * | will be set to 1. |
600 * | If cap_info is -2: |
601 * | An authentication frame was received but was |
602 * | not handled by the firmware. IEEE Status |
603 * | code for the failure is returned. |
605 * | If cap_info is -3: |
606 * | An authentication frame was received and the |
607 * | status_code is the IEEE Status reported in the |
610 * | If cap_info is -4: |
611 * | (1) Association response timeout |
612 * | (2) Authentication response timeout |
613 * .------------------------------------------------------------.
614 * | a_id(t_u16): 0xFFFF |
615 * .------------------------------------------------------------.
618 * For cases where an association response was received, the IEEE
619 * standard association response frame is returned:
621 * .------------------------------------------------------------.
622 * | Header(4 * sizeof(t_u16)): Standard command response hdr |
623 * .------------------------------------------------------------.
624 * | cap_info(t_u16): IEEE Capability |
625 * .------------------------------------------------------------.
626 * | status_code(t_u16): IEEE Status Code |
627 * .------------------------------------------------------------.
628 * | a_id(t_u16): IEEE Association ID |
629 * .------------------------------------------------------------.
630 * | IEEE IEs(variable): Any received IEs comprising the |
631 * | remaining portion of a received |
632 * | association response frame. |
633 * .------------------------------------------------------------.
635 * For simplistic handling, the status_code field can be used to determine
636 * an association success (0) or failure (non-zero).
638 int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
639 struct host_cmd_ds_command *resp)
641 struct mwifiex_adapter *adapter = priv->adapter;
643 struct ieee_types_assoc_rsp *assoc_rsp;
644 struct mwifiex_bssdescriptor *bss_desc;
645 bool enable_data = true;
646 u16 cap_info, status_code, aid;
648 struct ieee80211_ht_operation *assoc_resp_ht_oper;
650 assoc_rsp = (struct ieee_types_assoc_rsp *) &resp->params;
652 cap_info = le16_to_cpu(assoc_rsp->cap_info_bitmap);
653 status_code = le16_to_cpu(assoc_rsp->status_code);
654 aid = le16_to_cpu(assoc_rsp->a_id);
656 if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14)))
657 dev_err(priv->adapter->dev,
658 "invalid AID value 0x%x; bits 15:14 not set\n",
661 aid &= ~(BIT(15) | BIT(14));
663 priv->assoc_rsp_size = min(le16_to_cpu(resp->size) - S_DS_GEN,
664 sizeof(priv->assoc_rsp_buf));
666 memcpy(priv->assoc_rsp_buf, &resp->params, priv->assoc_rsp_size);
668 assoc_rsp->a_id = cpu_to_le16(aid);
671 priv->adapter->dbg.num_cmd_assoc_failure++;
672 mwifiex_dbg(priv->adapter, ERROR,
673 "ASSOC_RESP: failed,\t"
674 "status code=%d err=%#x a_id=%#x\n",
675 status_code, cap_info,
676 le16_to_cpu(assoc_rsp->a_id));
678 mwifiex_dbg(priv->adapter, ERROR, "assoc failure: reason %s\n",
679 assoc_failure_reason_to_str(cap_info));
680 if (cap_info == CONNECT_ERR_ASSOC_ERR_TIMEOUT) {
681 if (status_code == MWIFIEX_ASSOC_CMD_FAILURE_AUTH) {
682 ret = WLAN_STATUS_AUTH_TIMEOUT;
683 mwifiex_dbg(priv->adapter, ERROR,
684 "ASSOC_RESP: AUTH timeout\n");
686 ret = WLAN_STATUS_UNSPECIFIED_FAILURE;
687 mwifiex_dbg(priv->adapter, ERROR,
688 "ASSOC_RESP: UNSPECIFIED failure\n");
697 /* Send a Media Connected event, according to the Spec */
698 priv->media_connected = true;
700 priv->adapter->ps_state = PS_STATE_AWAKE;
701 priv->adapter->pps_uapsd_mode = false;
702 priv->adapter->tx_lock_flag = false;
704 /* Set the attempted BSSID Index to current */
705 bss_desc = priv->attempted_bss_desc;
707 mwifiex_dbg(priv->adapter, INFO, "info: ASSOC_RESP: %s\n",
708 bss_desc->ssid.ssid);
710 /* Make a copy of current BSSID descriptor */
711 memcpy(&priv->curr_bss_params.bss_descriptor,
712 bss_desc, sizeof(struct mwifiex_bssdescriptor));
714 /* Update curr_bss_params */
715 priv->curr_bss_params.bss_descriptor.channel
716 = bss_desc->phy_param_set.ds_param_set.current_chan;
718 priv->curr_bss_params.band = (u8) bss_desc->bss_band;
720 if (bss_desc->wmm_ie.vend_hdr.element_id == WLAN_EID_VENDOR_SPECIFIC)
721 priv->curr_bss_params.wmm_enabled = true;
723 priv->curr_bss_params.wmm_enabled = false;
725 if ((priv->wmm_required || bss_desc->bcn_ht_cap) &&
726 priv->curr_bss_params.wmm_enabled)
727 priv->wmm_enabled = true;
729 priv->wmm_enabled = false;
731 priv->curr_bss_params.wmm_uapsd_enabled = false;
733 if (priv->wmm_enabled)
734 priv->curr_bss_params.wmm_uapsd_enabled
735 = ((bss_desc->wmm_ie.qos_info_bitmap &
736 IEEE80211_WMM_IE_AP_QOSINFO_UAPSD) ? 1 : 0);
738 /* Store the bandwidth information from assoc response */
739 ie_ptr = cfg80211_find_ie(WLAN_EID_HT_OPERATION, assoc_rsp->ie_buffer,
741 - sizeof(struct ieee_types_assoc_rsp));
743 assoc_resp_ht_oper = (struct ieee80211_ht_operation *)(ie_ptr
744 + sizeof(struct ieee_types_header));
745 priv->assoc_resp_ht_param = assoc_resp_ht_oper->ht_param;
746 priv->ht_param_present = true;
748 priv->ht_param_present = false;
751 mwifiex_dbg(priv->adapter, INFO,
752 "info: ASSOC_RESP: curr_pkt_filter is %#x\n",
753 priv->curr_pkt_filter);
754 if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled)
755 priv->wpa_is_gtk_set = false;
757 if (priv->wmm_enabled) {
758 /* Don't re-enable carrier until we get the WMM_GET_STATUS
762 /* Since WMM is not enabled, setup the queues with the
764 mwifiex_wmm_setup_queue_priorities(priv, NULL);
765 mwifiex_wmm_setup_ac_downgrade(priv);
769 mwifiex_dbg(priv->adapter, INFO,
770 "info: post association, re-enabling data flow\n");
772 /* Reset SNR/NF/RSSI values */
773 priv->data_rssi_last = 0;
774 priv->data_nf_last = 0;
775 priv->data_rssi_avg = 0;
776 priv->data_nf_avg = 0;
777 priv->bcn_rssi_last = 0;
778 priv->bcn_nf_last = 0;
779 priv->bcn_rssi_avg = 0;
780 priv->bcn_nf_avg = 0;
782 priv->rxpd_htinfo = 0;
784 mwifiex_save_curr_bcn(priv);
786 priv->adapter->dbg.num_cmd_assoc_success++;
788 mwifiex_dbg(priv->adapter, INFO, "info: ASSOC_RESP: associated\n");
790 /* Add the ra_list here for infra mode as there will be only 1 ra
792 mwifiex_ralist_add(priv,
793 priv->curr_bss_params.bss_descriptor.mac_address);
795 if (!netif_carrier_ok(priv->netdev))
796 netif_carrier_on(priv->netdev);
797 mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
799 if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled)
800 priv->scan_block = true;
802 priv->port_open = true;
805 /* Need to indicate IOCTL complete */
806 if (adapter->curr_cmd->wait_q_enabled) {
808 adapter->cmd_wait_q.status = -1;
810 adapter->cmd_wait_q.status = 0;
817 * This function prepares command for ad-hoc start.
819 * Driver will fill up SSID, BSS mode, IBSS parameters, physical
820 * parameters, probe delay, and capability information. Firmware
821 * will fill up beacon period, basic rates and operational rates.
823 * In addition, the following TLVs are added -
825 * - Vendor specific IE
827 * - HT Capabilities IE
828 * - HT Information IE
830 * Preparation also includes -
831 * - Setting command ID and proper size
832 * - Ensuring correct endian-ness
835 mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
836 struct host_cmd_ds_command *cmd,
837 struct cfg80211_ssid *req_ssid)
840 struct mwifiex_adapter *adapter = priv->adapter;
841 struct host_cmd_ds_802_11_ad_hoc_start *adhoc_start =
842 &cmd->params.adhoc_start;
843 struct mwifiex_bssdescriptor *bss_desc;
844 u32 cmd_append_size = 0;
847 struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
850 struct mwifiex_ie_types_htcap *ht_cap;
851 struct mwifiex_ie_types_htinfo *ht_info;
852 u8 *pos = (u8 *) adhoc_start +
853 sizeof(struct host_cmd_ds_802_11_ad_hoc_start);
858 cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_START);
860 bss_desc = &priv->curr_bss_params.bss_descriptor;
861 priv->attempted_bss_desc = bss_desc;
864 * Fill in the parameters for 2 data structures:
865 * 1. struct host_cmd_ds_802_11_ad_hoc_start command
867 * Driver will fill up SSID, bss_mode,IBSS param, Physical Param,
868 * probe delay, and Cap info.
869 * Firmware will fill up beacon period, Basic rates
870 * and operational rates.
873 memset(adhoc_start->ssid, 0, IEEE80211_MAX_SSID_LEN);
875 memcpy(adhoc_start->ssid, req_ssid->ssid, req_ssid->ssid_len);
877 mwifiex_dbg(adapter, INFO, "info: ADHOC_S_CMD: SSID = %s\n",
880 memset(bss_desc->ssid.ssid, 0, IEEE80211_MAX_SSID_LEN);
881 memcpy(bss_desc->ssid.ssid, req_ssid->ssid, req_ssid->ssid_len);
883 bss_desc->ssid.ssid_len = req_ssid->ssid_len;
885 /* Set the BSS mode */
886 adhoc_start->bss_mode = HostCmd_BSS_MODE_IBSS;
887 bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
888 adhoc_start->beacon_period = cpu_to_le16(priv->beacon_period);
889 bss_desc->beacon_period = priv->beacon_period;
891 /* Set Physical param set */
892 /* Parameter IE Id */
893 #define DS_PARA_IE_ID 3
894 /* Parameter IE length */
895 #define DS_PARA_IE_LEN 1
897 adhoc_start->phy_param_set.ds_param_set.element_id = DS_PARA_IE_ID;
898 adhoc_start->phy_param_set.ds_param_set.len = DS_PARA_IE_LEN;
900 if (!mwifiex_get_cfp(priv, adapter->adhoc_start_band,
901 (u16) priv->adhoc_channel, 0)) {
902 struct mwifiex_chan_freq_power *cfp;
903 cfp = mwifiex_get_cfp(priv, adapter->adhoc_start_band,
904 FIRST_VALID_CHANNEL, 0);
906 priv->adhoc_channel = (u8) cfp->channel;
909 if (!priv->adhoc_channel) {
910 mwifiex_dbg(adapter, ERROR,
911 "ADHOC_S_CMD: adhoc_channel cannot be 0\n");
915 mwifiex_dbg(adapter, INFO,
916 "info: ADHOC_S_CMD: creating ADHOC on channel %d\n",
917 priv->adhoc_channel);
919 priv->curr_bss_params.bss_descriptor.channel = priv->adhoc_channel;
920 priv->curr_bss_params.band = adapter->adhoc_start_band;
922 bss_desc->channel = priv->adhoc_channel;
923 adhoc_start->phy_param_set.ds_param_set.current_chan =
926 memcpy(&bss_desc->phy_param_set, &adhoc_start->phy_param_set,
927 sizeof(union ieee_types_phy_param_set));
929 /* Set IBSS param set */
930 /* IBSS parameter IE Id */
931 #define IBSS_PARA_IE_ID 6
932 /* IBSS parameter IE length */
933 #define IBSS_PARA_IE_LEN 2
935 adhoc_start->ss_param_set.ibss_param_set.element_id = IBSS_PARA_IE_ID;
936 adhoc_start->ss_param_set.ibss_param_set.len = IBSS_PARA_IE_LEN;
937 adhoc_start->ss_param_set.ibss_param_set.atim_window
938 = cpu_to_le16(priv->atim_window);
939 memcpy(&bss_desc->ss_param_set, &adhoc_start->ss_param_set,
940 sizeof(union ieee_types_ss_param_set));
942 /* Set Capability info */
943 bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_IBSS;
944 tmp_cap = WLAN_CAPABILITY_IBSS;
946 /* Set up privacy in bss_desc */
947 if (priv->sec_info.encryption_mode) {
948 /* Ad-Hoc capability privacy on */
949 mwifiex_dbg(adapter, INFO,
950 "info: ADHOC_S_CMD: wep_status set privacy to WEP\n");
951 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
952 tmp_cap |= WLAN_CAPABILITY_PRIVACY;
954 mwifiex_dbg(adapter, INFO,
955 "info: ADHOC_S_CMD: wep_status NOT set,\t"
956 "setting privacy to ACCEPT ALL\n");
957 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
960 memset(adhoc_start->data_rate, 0, sizeof(adhoc_start->data_rate));
961 mwifiex_get_active_data_rates(priv, adhoc_start->data_rate);
962 if ((adapter->adhoc_start_band & BAND_G) &&
963 (priv->curr_pkt_filter & HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON)) {
964 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
965 HostCmd_ACT_GEN_SET, 0,
966 &priv->curr_pkt_filter, false)) {
967 mwifiex_dbg(adapter, ERROR,
968 "ADHOC_S_CMD: G Protection config failed\n");
972 /* Find the last non zero */
973 for (i = 0; i < sizeof(adhoc_start->data_rate); i++)
974 if (!adhoc_start->data_rate[i])
977 priv->curr_bss_params.num_of_rates = i;
979 /* Copy the ad-hoc creating rates into Current BSS rate structure */
980 memcpy(&priv->curr_bss_params.data_rates,
981 &adhoc_start->data_rate, priv->curr_bss_params.num_of_rates);
983 mwifiex_dbg(adapter, INFO, "info: ADHOC_S_CMD: rates=%4ph\n",
984 adhoc_start->data_rate);
986 mwifiex_dbg(adapter, INFO, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n");
988 if (IS_SUPPORT_MULTI_BANDS(adapter)) {
989 /* Append a channel TLV */
990 chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
991 chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
992 chan_tlv->header.len =
993 cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
995 memset(chan_tlv->chan_scan_param, 0x00,
996 sizeof(struct mwifiex_chan_scan_param_set));
997 chan_tlv->chan_scan_param[0].chan_number =
998 (u8) priv->curr_bss_params.bss_descriptor.channel;
1000 mwifiex_dbg(adapter, INFO, "info: ADHOC_S_CMD: TLV Chan = %d\n",
1001 chan_tlv->chan_scan_param[0].chan_number);
1003 chan_tlv->chan_scan_param[0].radio_type
1004 = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1005 if (adapter->adhoc_start_band & BAND_GN ||
1006 adapter->adhoc_start_band & BAND_AN) {
1007 if (adapter->sec_chan_offset ==
1008 IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
1009 chan_tlv->chan_scan_param[0].radio_type |=
1010 (IEEE80211_HT_PARAM_CHA_SEC_ABOVE << 4);
1011 else if (adapter->sec_chan_offset ==
1012 IEEE80211_HT_PARAM_CHA_SEC_BELOW)
1013 chan_tlv->chan_scan_param[0].radio_type |=
1014 (IEEE80211_HT_PARAM_CHA_SEC_BELOW << 4);
1016 mwifiex_dbg(adapter, INFO, "info: ADHOC_S_CMD: TLV Band = %d\n",
1017 chan_tlv->chan_scan_param[0].radio_type);
1018 pos += sizeof(chan_tlv->header) +
1019 sizeof(struct mwifiex_chan_scan_param_set);
1021 sizeof(chan_tlv->header) +
1022 sizeof(struct mwifiex_chan_scan_param_set);
1025 /* Append vendor specific IE TLV */
1026 cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv,
1027 MWIFIEX_VSIE_MASK_ADHOC, &pos);
1029 if (priv->sec_info.wpa_enabled) {
1030 rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
1031 if (rsn_ie_len == -1)
1033 cmd_append_size += rsn_ie_len;
1036 if (adapter->adhoc_11n_enabled) {
1037 /* Fill HT CAPABILITY */
1038 ht_cap = (struct mwifiex_ie_types_htcap *) pos;
1039 memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap));
1040 ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
1041 ht_cap->header.len =
1042 cpu_to_le16(sizeof(struct ieee80211_ht_cap));
1043 radio_type = mwifiex_band_to_radio_type(
1044 priv->adapter->config_bands);
1045 mwifiex_fill_cap_info(priv, radio_type, &ht_cap->ht_cap);
1047 if (adapter->sec_chan_offset ==
1048 IEEE80211_HT_PARAM_CHA_SEC_NONE) {
1051 tmp_ht_cap = le16_to_cpu(ht_cap->ht_cap.cap_info);
1052 tmp_ht_cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1053 tmp_ht_cap &= ~IEEE80211_HT_CAP_SGI_40;
1054 ht_cap->ht_cap.cap_info = cpu_to_le16(tmp_ht_cap);
1057 pos += sizeof(struct mwifiex_ie_types_htcap);
1058 cmd_append_size += sizeof(struct mwifiex_ie_types_htcap);
1060 /* Fill HT INFORMATION */
1061 ht_info = (struct mwifiex_ie_types_htinfo *) pos;
1062 memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo));
1063 ht_info->header.type = cpu_to_le16(WLAN_EID_HT_OPERATION);
1064 ht_info->header.len =
1065 cpu_to_le16(sizeof(struct ieee80211_ht_operation));
1067 ht_info->ht_oper.primary_chan =
1068 (u8) priv->curr_bss_params.bss_descriptor.channel;
1069 if (adapter->sec_chan_offset) {
1070 ht_info->ht_oper.ht_param = adapter->sec_chan_offset;
1071 ht_info->ht_oper.ht_param |=
1072 IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
1074 ht_info->ht_oper.operation_mode =
1075 cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1076 ht_info->ht_oper.basic_set[0] = 0xff;
1077 pos += sizeof(struct mwifiex_ie_types_htinfo);
1079 sizeof(struct mwifiex_ie_types_htinfo);
1083 cpu_to_le16((u16)(sizeof(struct host_cmd_ds_802_11_ad_hoc_start)
1084 + S_DS_GEN + cmd_append_size));
1086 if (adapter->adhoc_start_band == BAND_B)
1087 tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
1089 tmp_cap |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
1091 adhoc_start->cap_info_bitmap = cpu_to_le16(tmp_cap);
1097 * This function prepares command for ad-hoc join.
1099 * Most of the parameters are set up by copying from the target BSS descriptor
1100 * from the scan response.
1102 * In addition, the following TLVs are added -
1104 * - Vendor specific IE
1108 * Preparation also includes -
1109 * - Setting command ID and proper size
1110 * - Ensuring correct endian-ness
1113 mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
1114 struct host_cmd_ds_command *cmd,
1115 struct mwifiex_bssdescriptor *bss_desc)
1118 struct host_cmd_ds_802_11_ad_hoc_join *adhoc_join =
1119 &cmd->params.adhoc_join;
1120 struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
1121 u32 cmd_append_size = 0;
1123 u32 i, rates_size = 0;
1124 u16 curr_pkt_filter;
1127 sizeof(struct host_cmd_ds_802_11_ad_hoc_join);
1129 /* Use G protection */
1130 #define USE_G_PROTECTION 0x02
1131 if (bss_desc->erp_flags & USE_G_PROTECTION) {
1134 curr_pkt_filter | HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON;
1136 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
1137 HostCmd_ACT_GEN_SET, 0,
1138 &curr_pkt_filter, false)) {
1139 mwifiex_dbg(priv->adapter, ERROR,
1140 "ADHOC_J_CMD: G Protection config failed\n");
1145 priv->attempted_bss_desc = bss_desc;
1147 cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_JOIN);
1149 adhoc_join->bss_descriptor.bss_mode = HostCmd_BSS_MODE_IBSS;
1151 adhoc_join->bss_descriptor.beacon_period
1152 = cpu_to_le16(bss_desc->beacon_period);
1154 memcpy(&adhoc_join->bss_descriptor.bssid,
1155 &bss_desc->mac_address, ETH_ALEN);
1157 memcpy(&adhoc_join->bss_descriptor.ssid,
1158 &bss_desc->ssid.ssid, bss_desc->ssid.ssid_len);
1160 memcpy(&adhoc_join->bss_descriptor.phy_param_set,
1161 &bss_desc->phy_param_set,
1162 sizeof(union ieee_types_phy_param_set));
1164 memcpy(&adhoc_join->bss_descriptor.ss_param_set,
1165 &bss_desc->ss_param_set, sizeof(union ieee_types_ss_param_set));
1167 tmp_cap = bss_desc->cap_info_bitmap;
1169 tmp_cap &= CAPINFO_MASK;
1171 mwifiex_dbg(priv->adapter, INFO,
1172 "info: ADHOC_J_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
1173 tmp_cap, CAPINFO_MASK);
1175 /* Information on BSSID descriptor passed to FW */
1176 mwifiex_dbg(priv->adapter, INFO,
1177 "info: ADHOC_J_CMD: BSSID=%pM, SSID='%s'\n",
1178 adhoc_join->bss_descriptor.bssid,
1179 adhoc_join->bss_descriptor.ssid);
1181 for (i = 0; i < MWIFIEX_SUPPORTED_RATES &&
1182 bss_desc->supported_rates[i]; i++)
1186 /* Copy Data Rates from the Rates recorded in scan response */
1187 memset(adhoc_join->bss_descriptor.data_rates, 0,
1188 sizeof(adhoc_join->bss_descriptor.data_rates));
1189 memcpy(adhoc_join->bss_descriptor.data_rates,
1190 bss_desc->supported_rates, rates_size);
1192 /* Copy the adhoc join rates into Current BSS state structure */
1193 priv->curr_bss_params.num_of_rates = rates_size;
1194 memcpy(&priv->curr_bss_params.data_rates, bss_desc->supported_rates,
1197 /* Copy the channel information */
1198 priv->curr_bss_params.bss_descriptor.channel = bss_desc->channel;
1199 priv->curr_bss_params.band = (u8) bss_desc->bss_band;
1201 if (priv->sec_info.wep_enabled || priv->sec_info.wpa_enabled)
1202 tmp_cap |= WLAN_CAPABILITY_PRIVACY;
1204 if (IS_SUPPORT_MULTI_BANDS(priv->adapter)) {
1205 /* Append a channel TLV */
1206 chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
1207 chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
1208 chan_tlv->header.len =
1209 cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
1211 memset(chan_tlv->chan_scan_param, 0x00,
1212 sizeof(struct mwifiex_chan_scan_param_set));
1213 chan_tlv->chan_scan_param[0].chan_number =
1214 (bss_desc->phy_param_set.ds_param_set.current_chan);
1215 mwifiex_dbg(priv->adapter, INFO, "info: ADHOC_J_CMD: TLV Chan=%d\n",
1216 chan_tlv->chan_scan_param[0].chan_number);
1218 chan_tlv->chan_scan_param[0].radio_type =
1219 mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
1221 mwifiex_dbg(priv->adapter, INFO, "info: ADHOC_J_CMD: TLV Band=%d\n",
1222 chan_tlv->chan_scan_param[0].radio_type);
1223 pos += sizeof(chan_tlv->header) +
1224 sizeof(struct mwifiex_chan_scan_param_set);
1225 cmd_append_size += sizeof(chan_tlv->header) +
1226 sizeof(struct mwifiex_chan_scan_param_set);
1229 if (priv->sec_info.wpa_enabled)
1230 rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
1231 if (rsn_ie_len == -1)
1233 cmd_append_size += rsn_ie_len;
1235 if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
1236 cmd_append_size += mwifiex_cmd_append_11n_tlv(priv,
1239 /* Append vendor specific IE TLV */
1240 cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv,
1241 MWIFIEX_VSIE_MASK_ADHOC, &pos);
1243 cmd->size = cpu_to_le16
1244 ((u16) (sizeof(struct host_cmd_ds_802_11_ad_hoc_join)
1245 + S_DS_GEN + cmd_append_size));
1247 adhoc_join->bss_descriptor.cap_info_bitmap = cpu_to_le16(tmp_cap);
1253 * This function handles the command response of ad-hoc start and
1256 * The function generates a device-connected event to notify
1257 * the applications, in case of successful ad-hoc start/join, and
1258 * saves the beacon buffer.
1260 int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
1261 struct host_cmd_ds_command *resp)
1264 struct mwifiex_adapter *adapter = priv->adapter;
1265 struct host_cmd_ds_802_11_ad_hoc_start_result *start_result =
1266 &resp->params.start_result;
1267 struct host_cmd_ds_802_11_ad_hoc_join_result *join_result =
1268 &resp->params.join_result;
1269 struct mwifiex_bssdescriptor *bss_desc;
1270 u16 cmd = le16_to_cpu(resp->command);
1273 if (cmd == HostCmd_CMD_802_11_AD_HOC_START)
1274 result = start_result->result;
1276 result = join_result->result;
1278 bss_desc = priv->attempted_bss_desc;
1280 /* Join result code 0 --> SUCCESS */
1282 mwifiex_dbg(priv->adapter, ERROR, "ADHOC_RESP: failed\n");
1283 if (priv->media_connected)
1284 mwifiex_reset_connect_state(priv, result);
1286 memset(&priv->curr_bss_params.bss_descriptor,
1287 0x00, sizeof(struct mwifiex_bssdescriptor));
1293 /* Send a Media Connected event, according to the Spec */
1294 priv->media_connected = true;
1296 if (le16_to_cpu(resp->command) == HostCmd_CMD_802_11_AD_HOC_START) {
1297 mwifiex_dbg(priv->adapter, INFO, "info: ADHOC_S_RESP %s\n",
1298 bss_desc->ssid.ssid);
1300 /* Update the created network descriptor with the new BSSID */
1301 memcpy(bss_desc->mac_address,
1302 start_result->bssid, ETH_ALEN);
1304 priv->adhoc_state = ADHOC_STARTED;
1307 * Now the join cmd should be successful.
1308 * If BSSID has changed use SSID to compare instead of BSSID
1310 mwifiex_dbg(priv->adapter, INFO,
1311 "info: ADHOC_J_RESP %s\n",
1312 bss_desc->ssid.ssid);
1315 * Make a copy of current BSSID descriptor, only needed for
1316 * join since the current descriptor is already being used
1319 memcpy(&priv->curr_bss_params.bss_descriptor,
1320 bss_desc, sizeof(struct mwifiex_bssdescriptor));
1322 priv->adhoc_state = ADHOC_JOINED;
1325 mwifiex_dbg(priv->adapter, INFO, "info: ADHOC_RESP: channel = %d\n",
1326 priv->adhoc_channel);
1327 mwifiex_dbg(priv->adapter, INFO, "info: ADHOC_RESP: BSSID = %pM\n",
1328 priv->curr_bss_params.bss_descriptor.mac_address);
1330 if (!netif_carrier_ok(priv->netdev))
1331 netif_carrier_on(priv->netdev);
1332 mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
1334 mwifiex_save_curr_bcn(priv);
1337 /* Need to indicate IOCTL complete */
1338 if (adapter->curr_cmd->wait_q_enabled) {
1340 adapter->cmd_wait_q.status = -1;
1342 adapter->cmd_wait_q.status = 0;
1350 * This function associates to a specific BSS discovered in a scan.
1352 * It clears any past association response stored for application
1353 * retrieval and calls the command preparation routine to send the
1354 * command to firmware.
1356 int mwifiex_associate(struct mwifiex_private *priv,
1357 struct mwifiex_bssdescriptor *bss_desc)
1359 /* Return error if the adapter is not STA role or table entry
1360 * is not marked as infra.
1362 if ((GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) ||
1363 (bss_desc->bss_mode != NL80211_IFTYPE_STATION))
1366 if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
1367 !bss_desc->disable_11n && !bss_desc->disable_11ac &&
1368 priv->adapter->config_bands & BAND_AAC)
1369 mwifiex_set_11ac_ba_params(priv);
1371 mwifiex_set_ba_params(priv);
1373 /* Clear any past association response stored for application
1375 priv->assoc_rsp_size = 0;
1377 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_ASSOCIATE,
1378 HostCmd_ACT_GEN_SET, 0, bss_desc, true);
1382 * This function starts an ad-hoc network.
1384 * It calls the command preparation routine to send the command to firmware.
1387 mwifiex_adhoc_start(struct mwifiex_private *priv,
1388 struct cfg80211_ssid *adhoc_ssid)
1390 mwifiex_dbg(priv->adapter, INFO, "info: Adhoc Channel = %d\n",
1391 priv->adhoc_channel);
1392 mwifiex_dbg(priv->adapter, INFO, "info: curr_bss_params.channel = %d\n",
1393 priv->curr_bss_params.bss_descriptor.channel);
1394 mwifiex_dbg(priv->adapter, INFO, "info: curr_bss_params.band = %d\n",
1395 priv->curr_bss_params.band);
1397 if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
1398 priv->adapter->config_bands & BAND_AAC)
1399 mwifiex_set_11ac_ba_params(priv);
1401 mwifiex_set_ba_params(priv);
1403 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_AD_HOC_START,
1404 HostCmd_ACT_GEN_SET, 0, adhoc_ssid, true);
1408 * This function joins an ad-hoc network found in a previous scan.
1410 * It calls the command preparation routine to send the command to firmware,
1411 * if already not connected to the requested SSID.
1413 int mwifiex_adhoc_join(struct mwifiex_private *priv,
1414 struct mwifiex_bssdescriptor *bss_desc)
1416 mwifiex_dbg(priv->adapter, INFO,
1417 "info: adhoc join: curr_bss ssid =%s\n",
1418 priv->curr_bss_params.bss_descriptor.ssid.ssid);
1419 mwifiex_dbg(priv->adapter, INFO,
1420 "info: adhoc join: curr_bss ssid_len =%u\n",
1421 priv->curr_bss_params.bss_descriptor.ssid.ssid_len);
1422 mwifiex_dbg(priv->adapter, INFO, "info: adhoc join: ssid =%s\n",
1423 bss_desc->ssid.ssid);
1424 mwifiex_dbg(priv->adapter, INFO, "info: adhoc join: ssid_len =%u\n",
1425 bss_desc->ssid.ssid_len);
1427 /* Check if the requested SSID is already joined */
1428 if (priv->curr_bss_params.bss_descriptor.ssid.ssid_len &&
1429 !mwifiex_ssid_cmp(&bss_desc->ssid,
1430 &priv->curr_bss_params.bss_descriptor.ssid) &&
1431 (priv->curr_bss_params.bss_descriptor.bss_mode ==
1432 NL80211_IFTYPE_ADHOC)) {
1433 mwifiex_dbg(priv->adapter, INFO,
1434 "info: ADHOC_J_CMD: new ad-hoc SSID\t"
1435 "is the same as current; not attempting to re-join\n");
1439 if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
1440 !bss_desc->disable_11n && !bss_desc->disable_11ac &&
1441 priv->adapter->config_bands & BAND_AAC)
1442 mwifiex_set_11ac_ba_params(priv);
1444 mwifiex_set_ba_params(priv);
1446 mwifiex_dbg(priv->adapter, INFO,
1447 "info: curr_bss_params.channel = %d\n",
1448 priv->curr_bss_params.bss_descriptor.channel);
1449 mwifiex_dbg(priv->adapter, INFO,
1450 "info: curr_bss_params.band = %c\n",
1451 priv->curr_bss_params.band);
1453 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_AD_HOC_JOIN,
1454 HostCmd_ACT_GEN_SET, 0, bss_desc, true);
1458 * This function deauthenticates/disconnects from infra network by sending
1459 * deauthentication request.
1461 static int mwifiex_deauthenticate_infra(struct mwifiex_private *priv, u8 *mac)
1463 u8 mac_address[ETH_ALEN];
1466 if (!mac || is_zero_ether_addr(mac))
1468 priv->curr_bss_params.bss_descriptor.mac_address,
1471 memcpy(mac_address, mac, ETH_ALEN);
1473 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_DEAUTHENTICATE,
1474 HostCmd_ACT_GEN_SET, 0, mac_address, true);
1480 * This function deauthenticates/disconnects from a BSS.
1482 * In case of infra made, it sends deauthentication request, and
1483 * in case of ad-hoc mode, a stop network request is sent to the firmware.
1484 * In AP mode, a command to stop bss is sent to firmware.
1486 int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac)
1490 if (!priv->media_connected)
1493 switch (priv->bss_mode) {
1494 case NL80211_IFTYPE_STATION:
1495 case NL80211_IFTYPE_P2P_CLIENT:
1496 ret = mwifiex_deauthenticate_infra(priv, mac);
1498 cfg80211_disconnected(priv->netdev, 0, NULL, 0,
1501 case NL80211_IFTYPE_ADHOC:
1502 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_AD_HOC_STOP,
1503 HostCmd_ACT_GEN_SET, 0, NULL, true);
1504 case NL80211_IFTYPE_AP:
1505 return mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1506 HostCmd_ACT_GEN_SET, 0, NULL, true);
1514 /* This function deauthenticates/disconnects from all BSS. */
1515 void mwifiex_deauthenticate_all(struct mwifiex_adapter *adapter)
1517 struct mwifiex_private *priv;
1520 for (i = 0; i < adapter->priv_num; i++) {
1521 priv = adapter->priv[i];
1523 mwifiex_deauthenticate(priv, NULL);
1526 EXPORT_SYMBOL_GPL(mwifiex_deauthenticate_all);
1529 * This function converts band to radio type used in channel TLV.
1532 mwifiex_band_to_radio_type(u8 band)
1537 case BAND_A | BAND_AN:
1538 case BAND_A | BAND_AN | BAND_AAC:
1539 return HostCmd_SCAN_RADIO_TYPE_A;
1542 case BAND_B | BAND_G:
1544 return HostCmd_SCAN_RADIO_TYPE_BG;