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 assoc_rsp
= (struct ieee_types_assoc_rsp
*) &resp
->params
;
650 cap_info
= le16_to_cpu(assoc_rsp
->cap_info_bitmap
);
651 status_code
= le16_to_cpu(assoc_rsp
->status_code
);
652 aid
= le16_to_cpu(assoc_rsp
->a_id
);
654 if ((aid
& (BIT(15) | BIT(14))) != (BIT(15) | BIT(14)))
655 dev_err(priv
->adapter
->dev
,
656 "invalid AID value 0x%x; bits 15:14 not set\n",
659 aid
&= ~(BIT(15) | BIT(14));
661 priv
->assoc_rsp_size
= min(le16_to_cpu(resp
->size
) - S_DS_GEN
,
662 sizeof(priv
->assoc_rsp_buf
));
664 memcpy(priv
->assoc_rsp_buf
, &resp
->params
, priv
->assoc_rsp_size
);
666 assoc_rsp
->a_id
= cpu_to_le16(aid
);
669 priv
->adapter
->dbg
.num_cmd_assoc_failure
++;
670 mwifiex_dbg(priv
->adapter
, ERROR
,
671 "ASSOC_RESP: failed,\t"
672 "status code=%d err=%#x a_id=%#x\n",
673 status_code
, cap_info
,
674 le16_to_cpu(assoc_rsp
->a_id
));
676 mwifiex_dbg(priv
->adapter
, ERROR
, "assoc failure: reason %s\n",
677 assoc_failure_reason_to_str(cap_info
));
678 if (cap_info
== CONNECT_ERR_ASSOC_ERR_TIMEOUT
) {
679 if (status_code
== MWIFIEX_ASSOC_CMD_FAILURE_AUTH
) {
680 ret
= WLAN_STATUS_AUTH_TIMEOUT
;
681 mwifiex_dbg(priv
->adapter
, ERROR
,
682 "ASSOC_RESP: AUTH timeout\n");
684 ret
= WLAN_STATUS_UNSPECIFIED_FAILURE
;
685 mwifiex_dbg(priv
->adapter
, ERROR
,
686 "ASSOC_RESP: UNSPECIFIED failure\n");
695 /* Send a Media Connected event, according to the Spec */
696 priv
->media_connected
= true;
698 priv
->adapter
->ps_state
= PS_STATE_AWAKE
;
699 priv
->adapter
->pps_uapsd_mode
= false;
700 priv
->adapter
->tx_lock_flag
= false;
702 /* Set the attempted BSSID Index to current */
703 bss_desc
= priv
->attempted_bss_desc
;
705 mwifiex_dbg(priv
->adapter
, INFO
, "info: ASSOC_RESP: %s\n",
706 bss_desc
->ssid
.ssid
);
708 /* Make a copy of current BSSID descriptor */
709 memcpy(&priv
->curr_bss_params
.bss_descriptor
,
710 bss_desc
, sizeof(struct mwifiex_bssdescriptor
));
712 /* Update curr_bss_params */
713 priv
->curr_bss_params
.bss_descriptor
.channel
714 = bss_desc
->phy_param_set
.ds_param_set
.current_chan
;
716 priv
->curr_bss_params
.band
= (u8
) bss_desc
->bss_band
;
718 if (bss_desc
->wmm_ie
.vend_hdr
.element_id
== WLAN_EID_VENDOR_SPECIFIC
)
719 priv
->curr_bss_params
.wmm_enabled
= true;
721 priv
->curr_bss_params
.wmm_enabled
= false;
723 if ((priv
->wmm_required
|| bss_desc
->bcn_ht_cap
) &&
724 priv
->curr_bss_params
.wmm_enabled
)
725 priv
->wmm_enabled
= true;
727 priv
->wmm_enabled
= false;
729 priv
->curr_bss_params
.wmm_uapsd_enabled
= false;
731 if (priv
->wmm_enabled
)
732 priv
->curr_bss_params
.wmm_uapsd_enabled
733 = ((bss_desc
->wmm_ie
.qos_info_bitmap
&
734 IEEE80211_WMM_IE_AP_QOSINFO_UAPSD
) ? 1 : 0);
736 mwifiex_dbg(priv
->adapter
, INFO
,
737 "info: ASSOC_RESP: curr_pkt_filter is %#x\n",
738 priv
->curr_pkt_filter
);
739 if (priv
->sec_info
.wpa_enabled
|| priv
->sec_info
.wpa2_enabled
)
740 priv
->wpa_is_gtk_set
= false;
742 if (priv
->wmm_enabled
) {
743 /* Don't re-enable carrier until we get the WMM_GET_STATUS
747 /* Since WMM is not enabled, setup the queues with the
749 mwifiex_wmm_setup_queue_priorities(priv
, NULL
);
750 mwifiex_wmm_setup_ac_downgrade(priv
);
754 mwifiex_dbg(priv
->adapter
, INFO
,
755 "info: post association, re-enabling data flow\n");
757 /* Reset SNR/NF/RSSI values */
758 priv
->data_rssi_last
= 0;
759 priv
->data_nf_last
= 0;
760 priv
->data_rssi_avg
= 0;
761 priv
->data_nf_avg
= 0;
762 priv
->bcn_rssi_last
= 0;
763 priv
->bcn_nf_last
= 0;
764 priv
->bcn_rssi_avg
= 0;
765 priv
->bcn_nf_avg
= 0;
767 priv
->rxpd_htinfo
= 0;
769 mwifiex_save_curr_bcn(priv
);
771 priv
->adapter
->dbg
.num_cmd_assoc_success
++;
773 mwifiex_dbg(priv
->adapter
, INFO
, "info: ASSOC_RESP: associated\n");
775 /* Add the ra_list here for infra mode as there will be only 1 ra
777 mwifiex_ralist_add(priv
,
778 priv
->curr_bss_params
.bss_descriptor
.mac_address
);
780 if (!netif_carrier_ok(priv
->netdev
))
781 netif_carrier_on(priv
->netdev
);
782 mwifiex_wake_up_net_dev_queue(priv
->netdev
, adapter
);
784 if (priv
->sec_info
.wpa_enabled
|| priv
->sec_info
.wpa2_enabled
)
785 priv
->scan_block
= true;
787 priv
->port_open
= true;
790 /* Need to indicate IOCTL complete */
791 if (adapter
->curr_cmd
->wait_q_enabled
) {
793 adapter
->cmd_wait_q
.status
= -1;
795 adapter
->cmd_wait_q
.status
= 0;
802 * This function prepares command for ad-hoc start.
804 * Driver will fill up SSID, BSS mode, IBSS parameters, physical
805 * parameters, probe delay, and capability information. Firmware
806 * will fill up beacon period, basic rates and operational rates.
808 * In addition, the following TLVs are added -
810 * - Vendor specific IE
812 * - HT Capabilities IE
813 * - HT Information IE
815 * Preparation also includes -
816 * - Setting command ID and proper size
817 * - Ensuring correct endian-ness
820 mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private
*priv
,
821 struct host_cmd_ds_command
*cmd
,
822 struct cfg80211_ssid
*req_ssid
)
825 struct mwifiex_adapter
*adapter
= priv
->adapter
;
826 struct host_cmd_ds_802_11_ad_hoc_start
*adhoc_start
=
827 &cmd
->params
.adhoc_start
;
828 struct mwifiex_bssdescriptor
*bss_desc
;
829 u32 cmd_append_size
= 0;
832 struct mwifiex_ie_types_chan_list_param_set
*chan_tlv
;
835 struct mwifiex_ie_types_htcap
*ht_cap
;
836 struct mwifiex_ie_types_htinfo
*ht_info
;
837 u8
*pos
= (u8
*) adhoc_start
+
838 sizeof(struct host_cmd_ds_802_11_ad_hoc_start
);
843 cmd
->command
= cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_START
);
845 bss_desc
= &priv
->curr_bss_params
.bss_descriptor
;
846 priv
->attempted_bss_desc
= bss_desc
;
849 * Fill in the parameters for 2 data structures:
850 * 1. struct host_cmd_ds_802_11_ad_hoc_start command
852 * Driver will fill up SSID, bss_mode,IBSS param, Physical Param,
853 * probe delay, and Cap info.
854 * Firmware will fill up beacon period, Basic rates
855 * and operational rates.
858 memset(adhoc_start
->ssid
, 0, IEEE80211_MAX_SSID_LEN
);
860 memcpy(adhoc_start
->ssid
, req_ssid
->ssid
, req_ssid
->ssid_len
);
862 mwifiex_dbg(adapter
, INFO
, "info: ADHOC_S_CMD: SSID = %s\n",
865 memset(bss_desc
->ssid
.ssid
, 0, IEEE80211_MAX_SSID_LEN
);
866 memcpy(bss_desc
->ssid
.ssid
, req_ssid
->ssid
, req_ssid
->ssid_len
);
868 bss_desc
->ssid
.ssid_len
= req_ssid
->ssid_len
;
870 /* Set the BSS mode */
871 adhoc_start
->bss_mode
= HostCmd_BSS_MODE_IBSS
;
872 bss_desc
->bss_mode
= NL80211_IFTYPE_ADHOC
;
873 adhoc_start
->beacon_period
= cpu_to_le16(priv
->beacon_period
);
874 bss_desc
->beacon_period
= priv
->beacon_period
;
876 /* Set Physical param set */
877 /* Parameter IE Id */
878 #define DS_PARA_IE_ID 3
879 /* Parameter IE length */
880 #define DS_PARA_IE_LEN 1
882 adhoc_start
->phy_param_set
.ds_param_set
.element_id
= DS_PARA_IE_ID
;
883 adhoc_start
->phy_param_set
.ds_param_set
.len
= DS_PARA_IE_LEN
;
885 if (!mwifiex_get_cfp(priv
, adapter
->adhoc_start_band
,
886 (u16
) priv
->adhoc_channel
, 0)) {
887 struct mwifiex_chan_freq_power
*cfp
;
888 cfp
= mwifiex_get_cfp(priv
, adapter
->adhoc_start_band
,
889 FIRST_VALID_CHANNEL
, 0);
891 priv
->adhoc_channel
= (u8
) cfp
->channel
;
894 if (!priv
->adhoc_channel
) {
895 mwifiex_dbg(adapter
, ERROR
,
896 "ADHOC_S_CMD: adhoc_channel cannot be 0\n");
900 mwifiex_dbg(adapter
, INFO
,
901 "info: ADHOC_S_CMD: creating ADHOC on channel %d\n",
902 priv
->adhoc_channel
);
904 priv
->curr_bss_params
.bss_descriptor
.channel
= priv
->adhoc_channel
;
905 priv
->curr_bss_params
.band
= adapter
->adhoc_start_band
;
907 bss_desc
->channel
= priv
->adhoc_channel
;
908 adhoc_start
->phy_param_set
.ds_param_set
.current_chan
=
911 memcpy(&bss_desc
->phy_param_set
, &adhoc_start
->phy_param_set
,
912 sizeof(union ieee_types_phy_param_set
));
914 /* Set IBSS param set */
915 /* IBSS parameter IE Id */
916 #define IBSS_PARA_IE_ID 6
917 /* IBSS parameter IE length */
918 #define IBSS_PARA_IE_LEN 2
920 adhoc_start
->ss_param_set
.ibss_param_set
.element_id
= IBSS_PARA_IE_ID
;
921 adhoc_start
->ss_param_set
.ibss_param_set
.len
= IBSS_PARA_IE_LEN
;
922 adhoc_start
->ss_param_set
.ibss_param_set
.atim_window
923 = cpu_to_le16(priv
->atim_window
);
924 memcpy(&bss_desc
->ss_param_set
, &adhoc_start
->ss_param_set
,
925 sizeof(union ieee_types_ss_param_set
));
927 /* Set Capability info */
928 bss_desc
->cap_info_bitmap
|= WLAN_CAPABILITY_IBSS
;
929 tmp_cap
= WLAN_CAPABILITY_IBSS
;
931 /* Set up privacy in bss_desc */
932 if (priv
->sec_info
.encryption_mode
) {
933 /* Ad-Hoc capability privacy on */
934 mwifiex_dbg(adapter
, INFO
,
935 "info: ADHOC_S_CMD: wep_status set privacy to WEP\n");
936 bss_desc
->privacy
= MWIFIEX_802_11_PRIV_FILTER_8021X_WEP
;
937 tmp_cap
|= WLAN_CAPABILITY_PRIVACY
;
939 mwifiex_dbg(adapter
, INFO
,
940 "info: ADHOC_S_CMD: wep_status NOT set,\t"
941 "setting privacy to ACCEPT ALL\n");
942 bss_desc
->privacy
= MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL
;
945 memset(adhoc_start
->data_rate
, 0, sizeof(adhoc_start
->data_rate
));
946 mwifiex_get_active_data_rates(priv
, adhoc_start
->data_rate
);
947 if ((adapter
->adhoc_start_band
& BAND_G
) &&
948 (priv
->curr_pkt_filter
& HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON
)) {
949 if (mwifiex_send_cmd(priv
, HostCmd_CMD_MAC_CONTROL
,
950 HostCmd_ACT_GEN_SET
, 0,
951 &priv
->curr_pkt_filter
, false)) {
952 mwifiex_dbg(adapter
, ERROR
,
953 "ADHOC_S_CMD: G Protection config failed\n");
957 /* Find the last non zero */
958 for (i
= 0; i
< sizeof(adhoc_start
->data_rate
); i
++)
959 if (!adhoc_start
->data_rate
[i
])
962 priv
->curr_bss_params
.num_of_rates
= i
;
964 /* Copy the ad-hoc creating rates into Current BSS rate structure */
965 memcpy(&priv
->curr_bss_params
.data_rates
,
966 &adhoc_start
->data_rate
, priv
->curr_bss_params
.num_of_rates
);
968 mwifiex_dbg(adapter
, INFO
, "info: ADHOC_S_CMD: rates=%4ph\n",
969 adhoc_start
->data_rate
);
971 mwifiex_dbg(adapter
, INFO
, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n");
973 if (IS_SUPPORT_MULTI_BANDS(adapter
)) {
974 /* Append a channel TLV */
975 chan_tlv
= (struct mwifiex_ie_types_chan_list_param_set
*) pos
;
976 chan_tlv
->header
.type
= cpu_to_le16(TLV_TYPE_CHANLIST
);
977 chan_tlv
->header
.len
=
978 cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set
));
980 memset(chan_tlv
->chan_scan_param
, 0x00,
981 sizeof(struct mwifiex_chan_scan_param_set
));
982 chan_tlv
->chan_scan_param
[0].chan_number
=
983 (u8
) priv
->curr_bss_params
.bss_descriptor
.channel
;
985 mwifiex_dbg(adapter
, INFO
, "info: ADHOC_S_CMD: TLV Chan = %d\n",
986 chan_tlv
->chan_scan_param
[0].chan_number
);
988 chan_tlv
->chan_scan_param
[0].radio_type
989 = mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
990 if (adapter
->adhoc_start_band
& BAND_GN
||
991 adapter
->adhoc_start_band
& BAND_AN
) {
992 if (adapter
->sec_chan_offset
==
993 IEEE80211_HT_PARAM_CHA_SEC_ABOVE
)
994 chan_tlv
->chan_scan_param
[0].radio_type
|=
995 (IEEE80211_HT_PARAM_CHA_SEC_ABOVE
<< 4);
996 else if (adapter
->sec_chan_offset
==
997 IEEE80211_HT_PARAM_CHA_SEC_BELOW
)
998 chan_tlv
->chan_scan_param
[0].radio_type
|=
999 (IEEE80211_HT_PARAM_CHA_SEC_BELOW
<< 4);
1001 mwifiex_dbg(adapter
, INFO
, "info: ADHOC_S_CMD: TLV Band = %d\n",
1002 chan_tlv
->chan_scan_param
[0].radio_type
);
1003 pos
+= sizeof(chan_tlv
->header
) +
1004 sizeof(struct mwifiex_chan_scan_param_set
);
1006 sizeof(chan_tlv
->header
) +
1007 sizeof(struct mwifiex_chan_scan_param_set
);
1010 /* Append vendor specific IE TLV */
1011 cmd_append_size
+= mwifiex_cmd_append_vsie_tlv(priv
,
1012 MWIFIEX_VSIE_MASK_ADHOC
, &pos
);
1014 if (priv
->sec_info
.wpa_enabled
) {
1015 rsn_ie_len
= mwifiex_append_rsn_ie_wpa_wpa2(priv
, &pos
);
1016 if (rsn_ie_len
== -1)
1018 cmd_append_size
+= rsn_ie_len
;
1021 if (adapter
->adhoc_11n_enabled
) {
1022 /* Fill HT CAPABILITY */
1023 ht_cap
= (struct mwifiex_ie_types_htcap
*) pos
;
1024 memset(ht_cap
, 0, sizeof(struct mwifiex_ie_types_htcap
));
1025 ht_cap
->header
.type
= cpu_to_le16(WLAN_EID_HT_CAPABILITY
);
1026 ht_cap
->header
.len
=
1027 cpu_to_le16(sizeof(struct ieee80211_ht_cap
));
1028 radio_type
= mwifiex_band_to_radio_type(
1029 priv
->adapter
->config_bands
);
1030 mwifiex_fill_cap_info(priv
, radio_type
, &ht_cap
->ht_cap
);
1032 if (adapter
->sec_chan_offset
==
1033 IEEE80211_HT_PARAM_CHA_SEC_NONE
) {
1036 tmp_ht_cap
= le16_to_cpu(ht_cap
->ht_cap
.cap_info
);
1037 tmp_ht_cap
&= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
1038 tmp_ht_cap
&= ~IEEE80211_HT_CAP_SGI_40
;
1039 ht_cap
->ht_cap
.cap_info
= cpu_to_le16(tmp_ht_cap
);
1042 pos
+= sizeof(struct mwifiex_ie_types_htcap
);
1043 cmd_append_size
+= sizeof(struct mwifiex_ie_types_htcap
);
1045 /* Fill HT INFORMATION */
1046 ht_info
= (struct mwifiex_ie_types_htinfo
*) pos
;
1047 memset(ht_info
, 0, sizeof(struct mwifiex_ie_types_htinfo
));
1048 ht_info
->header
.type
= cpu_to_le16(WLAN_EID_HT_OPERATION
);
1049 ht_info
->header
.len
=
1050 cpu_to_le16(sizeof(struct ieee80211_ht_operation
));
1052 ht_info
->ht_oper
.primary_chan
=
1053 (u8
) priv
->curr_bss_params
.bss_descriptor
.channel
;
1054 if (adapter
->sec_chan_offset
) {
1055 ht_info
->ht_oper
.ht_param
= adapter
->sec_chan_offset
;
1056 ht_info
->ht_oper
.ht_param
|=
1057 IEEE80211_HT_PARAM_CHAN_WIDTH_ANY
;
1059 ht_info
->ht_oper
.operation_mode
=
1060 cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
);
1061 ht_info
->ht_oper
.basic_set
[0] = 0xff;
1062 pos
+= sizeof(struct mwifiex_ie_types_htinfo
);
1064 sizeof(struct mwifiex_ie_types_htinfo
);
1068 cpu_to_le16((u16
)(sizeof(struct host_cmd_ds_802_11_ad_hoc_start
)
1069 + S_DS_GEN
+ cmd_append_size
));
1071 if (adapter
->adhoc_start_band
== BAND_B
)
1072 tmp_cap
&= ~WLAN_CAPABILITY_SHORT_SLOT_TIME
;
1074 tmp_cap
|= WLAN_CAPABILITY_SHORT_SLOT_TIME
;
1076 adhoc_start
->cap_info_bitmap
= cpu_to_le16(tmp_cap
);
1082 * This function prepares command for ad-hoc join.
1084 * Most of the parameters are set up by copying from the target BSS descriptor
1085 * from the scan response.
1087 * In addition, the following TLVs are added -
1089 * - Vendor specific IE
1093 * Preparation also includes -
1094 * - Setting command ID and proper size
1095 * - Ensuring correct endian-ness
1098 mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private
*priv
,
1099 struct host_cmd_ds_command
*cmd
,
1100 struct mwifiex_bssdescriptor
*bss_desc
)
1103 struct host_cmd_ds_802_11_ad_hoc_join
*adhoc_join
=
1104 &cmd
->params
.adhoc_join
;
1105 struct mwifiex_ie_types_chan_list_param_set
*chan_tlv
;
1106 u32 cmd_append_size
= 0;
1108 u32 i
, rates_size
= 0;
1109 u16 curr_pkt_filter
;
1112 sizeof(struct host_cmd_ds_802_11_ad_hoc_join
);
1114 /* Use G protection */
1115 #define USE_G_PROTECTION 0x02
1116 if (bss_desc
->erp_flags
& USE_G_PROTECTION
) {
1119 curr_pkt_filter
| HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON
;
1121 if (mwifiex_send_cmd(priv
, HostCmd_CMD_MAC_CONTROL
,
1122 HostCmd_ACT_GEN_SET
, 0,
1123 &curr_pkt_filter
, false)) {
1124 mwifiex_dbg(priv
->adapter
, ERROR
,
1125 "ADHOC_J_CMD: G Protection config failed\n");
1130 priv
->attempted_bss_desc
= bss_desc
;
1132 cmd
->command
= cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_JOIN
);
1134 adhoc_join
->bss_descriptor
.bss_mode
= HostCmd_BSS_MODE_IBSS
;
1136 adhoc_join
->bss_descriptor
.beacon_period
1137 = cpu_to_le16(bss_desc
->beacon_period
);
1139 memcpy(&adhoc_join
->bss_descriptor
.bssid
,
1140 &bss_desc
->mac_address
, ETH_ALEN
);
1142 memcpy(&adhoc_join
->bss_descriptor
.ssid
,
1143 &bss_desc
->ssid
.ssid
, bss_desc
->ssid
.ssid_len
);
1145 memcpy(&adhoc_join
->bss_descriptor
.phy_param_set
,
1146 &bss_desc
->phy_param_set
,
1147 sizeof(union ieee_types_phy_param_set
));
1149 memcpy(&adhoc_join
->bss_descriptor
.ss_param_set
,
1150 &bss_desc
->ss_param_set
, sizeof(union ieee_types_ss_param_set
));
1152 tmp_cap
= bss_desc
->cap_info_bitmap
;
1154 tmp_cap
&= CAPINFO_MASK
;
1156 mwifiex_dbg(priv
->adapter
, INFO
,
1157 "info: ADHOC_J_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
1158 tmp_cap
, CAPINFO_MASK
);
1160 /* Information on BSSID descriptor passed to FW */
1161 mwifiex_dbg(priv
->adapter
, INFO
,
1162 "info: ADHOC_J_CMD: BSSID=%pM, SSID='%s'\n",
1163 adhoc_join
->bss_descriptor
.bssid
,
1164 adhoc_join
->bss_descriptor
.ssid
);
1166 for (i
= 0; i
< MWIFIEX_SUPPORTED_RATES
&&
1167 bss_desc
->supported_rates
[i
]; i
++)
1171 /* Copy Data Rates from the Rates recorded in scan response */
1172 memset(adhoc_join
->bss_descriptor
.data_rates
, 0,
1173 sizeof(adhoc_join
->bss_descriptor
.data_rates
));
1174 memcpy(adhoc_join
->bss_descriptor
.data_rates
,
1175 bss_desc
->supported_rates
, rates_size
);
1177 /* Copy the adhoc join rates into Current BSS state structure */
1178 priv
->curr_bss_params
.num_of_rates
= rates_size
;
1179 memcpy(&priv
->curr_bss_params
.data_rates
, bss_desc
->supported_rates
,
1182 /* Copy the channel information */
1183 priv
->curr_bss_params
.bss_descriptor
.channel
= bss_desc
->channel
;
1184 priv
->curr_bss_params
.band
= (u8
) bss_desc
->bss_band
;
1186 if (priv
->sec_info
.wep_enabled
|| priv
->sec_info
.wpa_enabled
)
1187 tmp_cap
|= WLAN_CAPABILITY_PRIVACY
;
1189 if (IS_SUPPORT_MULTI_BANDS(priv
->adapter
)) {
1190 /* Append a channel TLV */
1191 chan_tlv
= (struct mwifiex_ie_types_chan_list_param_set
*) pos
;
1192 chan_tlv
->header
.type
= cpu_to_le16(TLV_TYPE_CHANLIST
);
1193 chan_tlv
->header
.len
=
1194 cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set
));
1196 memset(chan_tlv
->chan_scan_param
, 0x00,
1197 sizeof(struct mwifiex_chan_scan_param_set
));
1198 chan_tlv
->chan_scan_param
[0].chan_number
=
1199 (bss_desc
->phy_param_set
.ds_param_set
.current_chan
);
1200 mwifiex_dbg(priv
->adapter
, INFO
, "info: ADHOC_J_CMD: TLV Chan=%d\n",
1201 chan_tlv
->chan_scan_param
[0].chan_number
);
1203 chan_tlv
->chan_scan_param
[0].radio_type
=
1204 mwifiex_band_to_radio_type((u8
) bss_desc
->bss_band
);
1206 mwifiex_dbg(priv
->adapter
, INFO
, "info: ADHOC_J_CMD: TLV Band=%d\n",
1207 chan_tlv
->chan_scan_param
[0].radio_type
);
1208 pos
+= sizeof(chan_tlv
->header
) +
1209 sizeof(struct mwifiex_chan_scan_param_set
);
1210 cmd_append_size
+= sizeof(chan_tlv
->header
) +
1211 sizeof(struct mwifiex_chan_scan_param_set
);
1214 if (priv
->sec_info
.wpa_enabled
)
1215 rsn_ie_len
= mwifiex_append_rsn_ie_wpa_wpa2(priv
, &pos
);
1216 if (rsn_ie_len
== -1)
1218 cmd_append_size
+= rsn_ie_len
;
1220 if (ISSUPP_11NENABLED(priv
->adapter
->fw_cap_info
))
1221 cmd_append_size
+= mwifiex_cmd_append_11n_tlv(priv
,
1224 /* Append vendor specific IE TLV */
1225 cmd_append_size
+= mwifiex_cmd_append_vsie_tlv(priv
,
1226 MWIFIEX_VSIE_MASK_ADHOC
, &pos
);
1228 cmd
->size
= cpu_to_le16
1229 ((u16
) (sizeof(struct host_cmd_ds_802_11_ad_hoc_join
)
1230 + S_DS_GEN
+ cmd_append_size
));
1232 adhoc_join
->bss_descriptor
.cap_info_bitmap
= cpu_to_le16(tmp_cap
);
1238 * This function handles the command response of ad-hoc start and
1241 * The function generates a device-connected event to notify
1242 * the applications, in case of successful ad-hoc start/join, and
1243 * saves the beacon buffer.
1245 int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private
*priv
,
1246 struct host_cmd_ds_command
*resp
)
1249 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1250 struct host_cmd_ds_802_11_ad_hoc_start_result
*start_result
=
1251 &resp
->params
.start_result
;
1252 struct host_cmd_ds_802_11_ad_hoc_join_result
*join_result
=
1253 &resp
->params
.join_result
;
1254 struct mwifiex_bssdescriptor
*bss_desc
;
1255 u16 cmd
= le16_to_cpu(resp
->command
);
1258 if (cmd
== HostCmd_CMD_802_11_AD_HOC_START
)
1259 result
= start_result
->result
;
1261 result
= join_result
->result
;
1263 bss_desc
= priv
->attempted_bss_desc
;
1265 /* Join result code 0 --> SUCCESS */
1267 mwifiex_dbg(priv
->adapter
, ERROR
, "ADHOC_RESP: failed\n");
1268 if (priv
->media_connected
)
1269 mwifiex_reset_connect_state(priv
, result
);
1271 memset(&priv
->curr_bss_params
.bss_descriptor
,
1272 0x00, sizeof(struct mwifiex_bssdescriptor
));
1278 /* Send a Media Connected event, according to the Spec */
1279 priv
->media_connected
= true;
1281 if (le16_to_cpu(resp
->command
) == HostCmd_CMD_802_11_AD_HOC_START
) {
1282 mwifiex_dbg(priv
->adapter
, INFO
, "info: ADHOC_S_RESP %s\n",
1283 bss_desc
->ssid
.ssid
);
1285 /* Update the created network descriptor with the new BSSID */
1286 memcpy(bss_desc
->mac_address
,
1287 start_result
->bssid
, ETH_ALEN
);
1289 priv
->adhoc_state
= ADHOC_STARTED
;
1292 * Now the join cmd should be successful.
1293 * If BSSID has changed use SSID to compare instead of BSSID
1295 mwifiex_dbg(priv
->adapter
, INFO
,
1296 "info: ADHOC_J_RESP %s\n",
1297 bss_desc
->ssid
.ssid
);
1300 * Make a copy of current BSSID descriptor, only needed for
1301 * join since the current descriptor is already being used
1304 memcpy(&priv
->curr_bss_params
.bss_descriptor
,
1305 bss_desc
, sizeof(struct mwifiex_bssdescriptor
));
1307 priv
->adhoc_state
= ADHOC_JOINED
;
1310 mwifiex_dbg(priv
->adapter
, INFO
, "info: ADHOC_RESP: channel = %d\n",
1311 priv
->adhoc_channel
);
1312 mwifiex_dbg(priv
->adapter
, INFO
, "info: ADHOC_RESP: BSSID = %pM\n",
1313 priv
->curr_bss_params
.bss_descriptor
.mac_address
);
1315 if (!netif_carrier_ok(priv
->netdev
))
1316 netif_carrier_on(priv
->netdev
);
1317 mwifiex_wake_up_net_dev_queue(priv
->netdev
, adapter
);
1319 mwifiex_save_curr_bcn(priv
);
1322 /* Need to indicate IOCTL complete */
1323 if (adapter
->curr_cmd
->wait_q_enabled
) {
1325 adapter
->cmd_wait_q
.status
= -1;
1327 adapter
->cmd_wait_q
.status
= 0;
1335 * This function associates to a specific BSS discovered in a scan.
1337 * It clears any past association response stored for application
1338 * retrieval and calls the command preparation routine to send the
1339 * command to firmware.
1341 int mwifiex_associate(struct mwifiex_private
*priv
,
1342 struct mwifiex_bssdescriptor
*bss_desc
)
1344 /* Return error if the adapter is not STA role or table entry
1345 * is not marked as infra.
1347 if ((GET_BSS_ROLE(priv
) != MWIFIEX_BSS_ROLE_STA
) ||
1348 (bss_desc
->bss_mode
!= NL80211_IFTYPE_STATION
))
1351 if (ISSUPP_11ACENABLED(priv
->adapter
->fw_cap_info
) &&
1352 !bss_desc
->disable_11n
&& !bss_desc
->disable_11ac
&&
1353 priv
->adapter
->config_bands
& BAND_AAC
)
1354 mwifiex_set_11ac_ba_params(priv
);
1356 mwifiex_set_ba_params(priv
);
1358 /* Clear any past association response stored for application
1360 priv
->assoc_rsp_size
= 0;
1362 return mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_ASSOCIATE
,
1363 HostCmd_ACT_GEN_SET
, 0, bss_desc
, true);
1367 * This function starts an ad-hoc network.
1369 * It calls the command preparation routine to send the command to firmware.
1372 mwifiex_adhoc_start(struct mwifiex_private
*priv
,
1373 struct cfg80211_ssid
*adhoc_ssid
)
1375 mwifiex_dbg(priv
->adapter
, INFO
, "info: Adhoc Channel = %d\n",
1376 priv
->adhoc_channel
);
1377 mwifiex_dbg(priv
->adapter
, INFO
, "info: curr_bss_params.channel = %d\n",
1378 priv
->curr_bss_params
.bss_descriptor
.channel
);
1379 mwifiex_dbg(priv
->adapter
, INFO
, "info: curr_bss_params.band = %d\n",
1380 priv
->curr_bss_params
.band
);
1382 if (ISSUPP_11ACENABLED(priv
->adapter
->fw_cap_info
) &&
1383 priv
->adapter
->config_bands
& BAND_AAC
)
1384 mwifiex_set_11ac_ba_params(priv
);
1386 mwifiex_set_ba_params(priv
);
1388 return mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_AD_HOC_START
,
1389 HostCmd_ACT_GEN_SET
, 0, adhoc_ssid
, true);
1393 * This function joins an ad-hoc network found in a previous scan.
1395 * It calls the command preparation routine to send the command to firmware,
1396 * if already not connected to the requested SSID.
1398 int mwifiex_adhoc_join(struct mwifiex_private
*priv
,
1399 struct mwifiex_bssdescriptor
*bss_desc
)
1401 mwifiex_dbg(priv
->adapter
, INFO
,
1402 "info: adhoc join: curr_bss ssid =%s\n",
1403 priv
->curr_bss_params
.bss_descriptor
.ssid
.ssid
);
1404 mwifiex_dbg(priv
->adapter
, INFO
,
1405 "info: adhoc join: curr_bss ssid_len =%u\n",
1406 priv
->curr_bss_params
.bss_descriptor
.ssid
.ssid_len
);
1407 mwifiex_dbg(priv
->adapter
, INFO
, "info: adhoc join: ssid =%s\n",
1408 bss_desc
->ssid
.ssid
);
1409 mwifiex_dbg(priv
->adapter
, INFO
, "info: adhoc join: ssid_len =%u\n",
1410 bss_desc
->ssid
.ssid_len
);
1412 /* Check if the requested SSID is already joined */
1413 if (priv
->curr_bss_params
.bss_descriptor
.ssid
.ssid_len
&&
1414 !mwifiex_ssid_cmp(&bss_desc
->ssid
,
1415 &priv
->curr_bss_params
.bss_descriptor
.ssid
) &&
1416 (priv
->curr_bss_params
.bss_descriptor
.bss_mode
==
1417 NL80211_IFTYPE_ADHOC
)) {
1418 mwifiex_dbg(priv
->adapter
, INFO
,
1419 "info: ADHOC_J_CMD: new ad-hoc SSID\t"
1420 "is the same as current; not attempting to re-join\n");
1424 if (ISSUPP_11ACENABLED(priv
->adapter
->fw_cap_info
) &&
1425 !bss_desc
->disable_11n
&& !bss_desc
->disable_11ac
&&
1426 priv
->adapter
->config_bands
& BAND_AAC
)
1427 mwifiex_set_11ac_ba_params(priv
);
1429 mwifiex_set_ba_params(priv
);
1431 mwifiex_dbg(priv
->adapter
, INFO
,
1432 "info: curr_bss_params.channel = %d\n",
1433 priv
->curr_bss_params
.bss_descriptor
.channel
);
1434 mwifiex_dbg(priv
->adapter
, INFO
,
1435 "info: curr_bss_params.band = %c\n",
1436 priv
->curr_bss_params
.band
);
1438 return mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_AD_HOC_JOIN
,
1439 HostCmd_ACT_GEN_SET
, 0, bss_desc
, true);
1443 * This function deauthenticates/disconnects from infra network by sending
1444 * deauthentication request.
1446 static int mwifiex_deauthenticate_infra(struct mwifiex_private
*priv
, u8
*mac
)
1448 u8 mac_address
[ETH_ALEN
];
1451 if (!mac
|| is_zero_ether_addr(mac
))
1453 priv
->curr_bss_params
.bss_descriptor
.mac_address
,
1456 memcpy(mac_address
, mac
, ETH_ALEN
);
1458 ret
= mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_DEAUTHENTICATE
,
1459 HostCmd_ACT_GEN_SET
, 0, mac_address
, true);
1465 * This function deauthenticates/disconnects from a BSS.
1467 * In case of infra made, it sends deauthentication request, and
1468 * in case of ad-hoc mode, a stop network request is sent to the firmware.
1469 * In AP mode, a command to stop bss is sent to firmware.
1471 int mwifiex_deauthenticate(struct mwifiex_private
*priv
, u8
*mac
)
1475 if (!priv
->media_connected
)
1478 switch (priv
->bss_mode
) {
1479 case NL80211_IFTYPE_STATION
:
1480 case NL80211_IFTYPE_P2P_CLIENT
:
1481 ret
= mwifiex_deauthenticate_infra(priv
, mac
);
1483 cfg80211_disconnected(priv
->netdev
, 0, NULL
, 0,
1486 case NL80211_IFTYPE_ADHOC
:
1487 return mwifiex_send_cmd(priv
, HostCmd_CMD_802_11_AD_HOC_STOP
,
1488 HostCmd_ACT_GEN_SET
, 0, NULL
, true);
1489 case NL80211_IFTYPE_AP
:
1490 return mwifiex_send_cmd(priv
, HostCmd_CMD_UAP_BSS_STOP
,
1491 HostCmd_ACT_GEN_SET
, 0, NULL
, true);
1499 /* This function deauthenticates/disconnects from all BSS. */
1500 void mwifiex_deauthenticate_all(struct mwifiex_adapter
*adapter
)
1502 struct mwifiex_private
*priv
;
1505 for (i
= 0; i
< adapter
->priv_num
; i
++) {
1506 priv
= adapter
->priv
[i
];
1508 mwifiex_deauthenticate(priv
, NULL
);
1511 EXPORT_SYMBOL_GPL(mwifiex_deauthenticate_all
);
1514 * This function converts band to radio type used in channel TLV.
1517 mwifiex_band_to_radio_type(u8 band
)
1522 case BAND_A
| BAND_AN
:
1523 case BAND_A
| BAND_AN
| BAND_AAC
:
1524 return HostCmd_SCAN_RADIO_TYPE_A
;
1527 case BAND_B
| BAND_G
:
1529 return HostCmd_SCAN_RADIO_TYPE_BG
;