2 * Marvell Wireless LAN device driver: association and ad-hoc start/join
4 * Copyright (C) 2011, 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 dev_dbg(priv
->adapter
->dev
,
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 dev_dbg(priv
->adapter
->dev
,
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 dev_err(priv
->adapter
->dev
, "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 dev_dbg(priv
->adapter
->dev
, "info: Tx data rate set to %#x\n",
175 if (!priv
->is_data_rate_auto
) {
177 if ((*ptr
& 0x7f) == priv
->data_rate
) {
183 dev_err(priv
->adapter
->dev
, "previously set fixed data rate %#x"
184 " is not compatible with the network\n",
198 * This function creates the intersection of the rates supported by a
199 * target BSS and our adapter settings for use in an assoc/join command.
202 mwifiex_setup_rates_from_bssdesc(struct mwifiex_private
*priv
,
203 struct mwifiex_bssdescriptor
*bss_desc
,
204 u8
*out_rates
, u32
*out_rates_size
)
206 u8 card_rates
[MWIFIEX_SUPPORTED_RATES
];
209 /* Copy AP supported rates */
210 memcpy(out_rates
, bss_desc
->supported_rates
, MWIFIEX_SUPPORTED_RATES
);
211 /* Get the STA supported rates */
212 card_rates_size
= mwifiex_get_active_data_rates(priv
, card_rates
);
213 /* Get the common rates between AP and STA supported rates */
214 if (mwifiex_get_common_rates(priv
, out_rates
, MWIFIEX_SUPPORTED_RATES
,
215 card_rates
, card_rates_size
)) {
217 dev_err(priv
->adapter
->dev
, "%s: cannot get common rates\n",
223 min_t(size_t, strlen(out_rates
), MWIFIEX_SUPPORTED_RATES
);
229 * This function appends a WPS IE. It is called from the network join command
230 * preparation routine.
232 * If the IE buffer has been setup by the application, this routine appends
233 * the buffer as a WPS TLV type to the request.
236 mwifiex_cmd_append_wps_ie(struct mwifiex_private
*priv
, u8
**buffer
)
239 struct mwifiex_ie_types_header ie_header
;
241 if (!buffer
|| !*buffer
)
245 * If there is a wps ie buffer setup, append it to the return
246 * parameter buffer pointer.
248 if (priv
->wps_ie_len
) {
249 dev_dbg(priv
->adapter
->dev
, "cmd: append wps ie %d to %p\n",
250 priv
->wps_ie_len
, *buffer
);
252 /* Wrap the generic IE buffer with a pass through TLV type */
253 ie_header
.type
= cpu_to_le16(TLV_TYPE_MGMT_IE
);
254 ie_header
.len
= cpu_to_le16(priv
->wps_ie_len
);
255 memcpy(*buffer
, &ie_header
, sizeof(ie_header
));
256 *buffer
+= sizeof(ie_header
);
257 retLen
+= sizeof(ie_header
);
259 memcpy(*buffer
, priv
->wps_ie
, priv
->wps_ie_len
);
260 *buffer
+= priv
->wps_ie_len
;
261 retLen
+= priv
->wps_ie_len
;
266 priv
->wps_ie_len
= 0;
271 * This function appends a WAPI IE.
273 * This function is called from the network join command preparation routine.
275 * If the IE buffer has been setup by the application, this routine appends
276 * the buffer as a WAPI TLV type to the request.
279 mwifiex_cmd_append_wapi_ie(struct mwifiex_private
*priv
, u8
**buffer
)
282 struct mwifiex_ie_types_header ie_header
;
291 * If there is a wapi ie buffer setup, append it to the return
292 * parameter buffer pointer.
294 if (priv
->wapi_ie_len
) {
295 dev_dbg(priv
->adapter
->dev
, "cmd: append wapi ie %d to %p\n",
296 priv
->wapi_ie_len
, *buffer
);
298 /* Wrap the generic IE buffer with a pass through TLV type */
299 ie_header
.type
= cpu_to_le16(TLV_TYPE_WAPI_IE
);
300 ie_header
.len
= cpu_to_le16(priv
->wapi_ie_len
);
301 memcpy(*buffer
, &ie_header
, sizeof(ie_header
));
303 /* Increment the return size and the return buffer pointer
305 *buffer
+= sizeof(ie_header
);
306 retLen
+= sizeof(ie_header
);
308 /* Copy the wapi IE buffer to the output buffer, advance
310 memcpy(*buffer
, priv
->wapi_ie
, priv
->wapi_ie_len
);
312 /* Increment the return size and the return buffer pointer
314 *buffer
+= priv
->wapi_ie_len
;
315 retLen
+= priv
->wapi_ie_len
;
318 /* return the length appended to the buffer */
323 * This function appends rsn ie tlv for wpa/wpa2 security modes.
324 * It is called from the network join command preparation routine.
326 static int mwifiex_append_rsn_ie_wpa_wpa2(struct mwifiex_private
*priv
,
329 struct mwifiex_ie_types_rsn_param_set
*rsn_ie_tlv
;
332 if (!buffer
|| !(*buffer
))
335 rsn_ie_tlv
= (struct mwifiex_ie_types_rsn_param_set
*) (*buffer
);
336 rsn_ie_tlv
->header
.type
= cpu_to_le16((u16
) priv
->wpa_ie
[0]);
337 rsn_ie_tlv
->header
.type
= cpu_to_le16(
338 le16_to_cpu(rsn_ie_tlv
->header
.type
) & 0x00FF);
339 rsn_ie_tlv
->header
.len
= cpu_to_le16((u16
) priv
->wpa_ie
[1]);
340 rsn_ie_tlv
->header
.len
= cpu_to_le16(le16_to_cpu(rsn_ie_tlv
->header
.len
)
342 if (le16_to_cpu(rsn_ie_tlv
->header
.len
) <= (sizeof(priv
->wpa_ie
) - 2))
343 memcpy(rsn_ie_tlv
->rsn_ie
, &priv
->wpa_ie
[2],
344 le16_to_cpu(rsn_ie_tlv
->header
.len
));
348 rsn_ie_len
= sizeof(rsn_ie_tlv
->header
) +
349 le16_to_cpu(rsn_ie_tlv
->header
.len
);
350 *buffer
+= rsn_ie_len
;
356 * This function prepares command for association.
358 * This sets the following parameters -
362 * - Capability information
364 * ...and the following TLVs, as required -
369 * - Authentication TLV
373 * - Vendor specific TLV
379 * Preparation also includes -
380 * - Setting command ID and proper size
381 * - Ensuring correct endian-ness
383 int mwifiex_cmd_802_11_associate(struct mwifiex_private
*priv
,
384 struct host_cmd_ds_command
*cmd
,
385 struct mwifiex_bssdescriptor
*bss_desc
)
387 struct host_cmd_ds_802_11_associate
*assoc
= &cmd
->params
.associate
;
388 struct mwifiex_ie_types_ssid_param_set
*ssid_tlv
;
389 struct mwifiex_ie_types_phy_param_set
*phy_tlv
;
390 struct mwifiex_ie_types_ss_param_set
*ss_tlv
;
391 struct mwifiex_ie_types_rates_param_set
*rates_tlv
;
392 struct mwifiex_ie_types_auth_type
*auth_tlv
;
393 struct mwifiex_ie_types_chan_list_param_set
*chan_tlv
;
394 u8 rates
[MWIFIEX_SUPPORTED_RATES
];
402 cmd
->command
= cpu_to_le16(HostCmd_CMD_802_11_ASSOCIATE
);
404 /* Save so we know which BSS Desc to use in the response handler */
405 priv
->attempted_bss_desc
= bss_desc
;
407 memcpy(assoc
->peer_sta_addr
,
408 bss_desc
->mac_address
, sizeof(assoc
->peer_sta_addr
));
409 pos
+= sizeof(assoc
->peer_sta_addr
);
411 /* Set the listen interval */
412 assoc
->listen_interval
= cpu_to_le16(priv
->listen_interval
);
413 /* Set the beacon period */
414 assoc
->beacon_period
= cpu_to_le16(bss_desc
->beacon_period
);
416 pos
+= sizeof(assoc
->cap_info_bitmap
);
417 pos
+= sizeof(assoc
->listen_interval
);
418 pos
+= sizeof(assoc
->beacon_period
);
419 pos
+= sizeof(assoc
->dtim_period
);
421 ssid_tlv
= (struct mwifiex_ie_types_ssid_param_set
*) pos
;
422 ssid_tlv
->header
.type
= cpu_to_le16(WLAN_EID_SSID
);
423 ssid_tlv
->header
.len
= cpu_to_le16((u16
) bss_desc
->ssid
.ssid_len
);
424 memcpy(ssid_tlv
->ssid
, bss_desc
->ssid
.ssid
,
425 le16_to_cpu(ssid_tlv
->header
.len
));
426 pos
+= sizeof(ssid_tlv
->header
) + le16_to_cpu(ssid_tlv
->header
.len
);
428 phy_tlv
= (struct mwifiex_ie_types_phy_param_set
*) pos
;
429 phy_tlv
->header
.type
= cpu_to_le16(WLAN_EID_DS_PARAMS
);
430 phy_tlv
->header
.len
= cpu_to_le16(sizeof(phy_tlv
->fh_ds
.ds_param_set
));
431 memcpy(&phy_tlv
->fh_ds
.ds_param_set
,
432 &bss_desc
->phy_param_set
.ds_param_set
.current_chan
,
433 sizeof(phy_tlv
->fh_ds
.ds_param_set
));
434 pos
+= sizeof(phy_tlv
->header
) + le16_to_cpu(phy_tlv
->header
.len
);
436 ss_tlv
= (struct mwifiex_ie_types_ss_param_set
*) pos
;
437 ss_tlv
->header
.type
= cpu_to_le16(WLAN_EID_CF_PARAMS
);
438 ss_tlv
->header
.len
= cpu_to_le16(sizeof(ss_tlv
->cf_ibss
.cf_param_set
));
439 pos
+= sizeof(ss_tlv
->header
) + le16_to_cpu(ss_tlv
->header
.len
);
441 /* Get the common rates supported between the driver and the BSS Desc */
442 if (mwifiex_setup_rates_from_bssdesc
443 (priv
, bss_desc
, rates
, &rates_size
))
446 /* Save the data rates into Current BSS state structure */
447 priv
->curr_bss_params
.num_of_rates
= rates_size
;
448 memcpy(&priv
->curr_bss_params
.data_rates
, rates
, rates_size
);
450 /* Setup the Rates TLV in the association command */
451 rates_tlv
= (struct mwifiex_ie_types_rates_param_set
*) pos
;
452 rates_tlv
->header
.type
= cpu_to_le16(WLAN_EID_SUPP_RATES
);
453 rates_tlv
->header
.len
= cpu_to_le16((u16
) rates_size
);
454 memcpy(rates_tlv
->rates
, rates
, rates_size
);
455 pos
+= sizeof(rates_tlv
->header
) + rates_size
;
456 dev_dbg(priv
->adapter
->dev
, "info: ASSOC_CMD: rates size = %d\n",
459 /* Add the Authentication type to be used for Auth frames */
460 auth_tlv
= (struct mwifiex_ie_types_auth_type
*) pos
;
461 auth_tlv
->header
.type
= cpu_to_le16(TLV_TYPE_AUTH_TYPE
);
462 auth_tlv
->header
.len
= cpu_to_le16(sizeof(auth_tlv
->auth_type
));
463 if (priv
->sec_info
.wep_enabled
)
464 auth_tlv
->auth_type
= cpu_to_le16(
465 (u16
) priv
->sec_info
.authentication_mode
);
467 auth_tlv
->auth_type
= cpu_to_le16(NL80211_AUTHTYPE_OPEN_SYSTEM
);
469 pos
+= sizeof(auth_tlv
->header
) + le16_to_cpu(auth_tlv
->header
.len
);
471 if (IS_SUPPORT_MULTI_BANDS(priv
->adapter
) &&
472 !(ISSUPP_11NENABLED(priv
->adapter
->fw_cap_info
) &&
473 (!bss_desc
->disable_11n
) &&
474 (priv
->adapter
->config_bands
& BAND_GN
||
475 priv
->adapter
->config_bands
& BAND_AN
) &&
476 (bss_desc
->bcn_ht_cap
)
479 /* Append a channel TLV for the channel the attempted AP was
481 chan_tlv
= (struct mwifiex_ie_types_chan_list_param_set
*) pos
;
482 chan_tlv
->header
.type
= cpu_to_le16(TLV_TYPE_CHANLIST
);
483 chan_tlv
->header
.len
=
484 cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set
));
486 memset(chan_tlv
->chan_scan_param
, 0x00,
487 sizeof(struct mwifiex_chan_scan_param_set
));
488 chan_tlv
->chan_scan_param
[0].chan_number
=
489 (bss_desc
->phy_param_set
.ds_param_set
.current_chan
);
490 dev_dbg(priv
->adapter
->dev
, "info: Assoc: TLV Chan = %d\n",
491 chan_tlv
->chan_scan_param
[0].chan_number
);
493 chan_tlv
->chan_scan_param
[0].radio_type
=
494 mwifiex_band_to_radio_type((u8
) bss_desc
->bss_band
);
496 dev_dbg(priv
->adapter
->dev
, "info: Assoc: TLV Band = %d\n",
497 chan_tlv
->chan_scan_param
[0].radio_type
);
498 pos
+= sizeof(chan_tlv
->header
) +
499 sizeof(struct mwifiex_chan_scan_param_set
);
502 if (!priv
->wps
.session_enable
) {
503 if (priv
->sec_info
.wpa_enabled
|| priv
->sec_info
.wpa2_enabled
)
504 rsn_ie_len
= mwifiex_append_rsn_ie_wpa_wpa2(priv
, &pos
);
506 if (rsn_ie_len
== -1)
510 if (ISSUPP_11NENABLED(priv
->adapter
->fw_cap_info
) &&
511 (!bss_desc
->disable_11n
) &&
512 (priv
->adapter
->config_bands
& BAND_GN
||
513 priv
->adapter
->config_bands
& BAND_AN
))
514 mwifiex_cmd_append_11n_tlv(priv
, bss_desc
, &pos
);
516 if (ISSUPP_11ACENABLED(priv
->adapter
->fw_cap_info
) &&
517 !bss_desc
->disable_11n
&& !bss_desc
->disable_11ac
&&
518 (priv
->adapter
->config_bands
& BAND_GAC
||
519 priv
->adapter
->config_bands
& BAND_AAC
))
520 mwifiex_cmd_append_11ac_tlv(priv
, bss_desc
, &pos
);
522 /* Append vendor specific IE TLV */
523 mwifiex_cmd_append_vsie_tlv(priv
, MWIFIEX_VSIE_MASK_ASSOC
, &pos
);
525 mwifiex_wmm_process_association_req(priv
, &pos
, &bss_desc
->wmm_ie
,
526 bss_desc
->bcn_ht_cap
);
527 if (priv
->sec_info
.wapi_enabled
&& priv
->wapi_ie_len
)
528 mwifiex_cmd_append_wapi_ie(priv
, &pos
);
530 if (priv
->wps
.session_enable
&& priv
->wps_ie_len
)
531 mwifiex_cmd_append_wps_ie(priv
, &pos
);
533 mwifiex_cmd_append_generic_ie(priv
, &pos
);
535 mwifiex_cmd_append_tsf_tlv(priv
, &pos
, bss_desc
);
537 cmd
->size
= cpu_to_le16((u16
) (pos
- (u8
*) assoc
) + S_DS_GEN
);
539 /* Set the Capability info at last */
540 tmp_cap
= bss_desc
->cap_info_bitmap
;
542 if (priv
->adapter
->config_bands
== BAND_B
)
543 tmp_cap
&= ~WLAN_CAPABILITY_SHORT_SLOT_TIME
;
545 tmp_cap
&= CAPINFO_MASK
;
546 dev_dbg(priv
->adapter
->dev
, "info: ASSOC_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
547 tmp_cap
, CAPINFO_MASK
);
548 assoc
->cap_info_bitmap
= cpu_to_le16(tmp_cap
);
554 * Association firmware command response handler
556 * The response buffer for the association command has the following
559 * For cases where an association response was not received (indicated
560 * by the CapInfo and AId field):
562 * .------------------------------------------------------------.
563 * | Header(4 * sizeof(t_u16)): Standard command response hdr |
564 * .------------------------------------------------------------.
565 * | cap_info/Error Return(t_u16): |
566 * | 0xFFFF(-1): Internal error |
567 * | 0xFFFE(-2): Authentication unhandled message |
568 * | 0xFFFD(-3): Authentication refused |
569 * | 0xFFFC(-4): Timeout waiting for AP response |
570 * .------------------------------------------------------------.
571 * | status_code(t_u16): |
572 * | If cap_info is -1: |
573 * | An internal firmware failure prevented the |
574 * | command from being processed. The status_code |
575 * | will be set to 1. |
577 * | If cap_info is -2: |
578 * | An authentication frame was received but was |
579 * | not handled by the firmware. IEEE Status |
580 * | code for the failure is returned. |
582 * | If cap_info is -3: |
583 * | An authentication frame was received and the |
584 * | status_code is the IEEE Status reported in the |
587 * | If cap_info is -4: |
588 * | (1) Association response timeout |
589 * | (2) Authentication response timeout |
590 * .------------------------------------------------------------.
591 * | a_id(t_u16): 0xFFFF |
592 * .------------------------------------------------------------.
595 * For cases where an association response was received, the IEEE
596 * standard association response frame is returned:
598 * .------------------------------------------------------------.
599 * | Header(4 * sizeof(t_u16)): Standard command response hdr |
600 * .------------------------------------------------------------.
601 * | cap_info(t_u16): IEEE Capability |
602 * .------------------------------------------------------------.
603 * | status_code(t_u16): IEEE Status Code |
604 * .------------------------------------------------------------.
605 * | a_id(t_u16): IEEE Association ID |
606 * .------------------------------------------------------------.
607 * | IEEE IEs(variable): Any received IEs comprising the |
608 * | remaining portion of a received |
609 * | association response frame. |
610 * .------------------------------------------------------------.
612 * For simplistic handling, the status_code field can be used to determine
613 * an association success (0) or failure (non-zero).
615 int mwifiex_ret_802_11_associate(struct mwifiex_private
*priv
,
616 struct host_cmd_ds_command
*resp
)
618 struct mwifiex_adapter
*adapter
= priv
->adapter
;
620 struct ieee_types_assoc_rsp
*assoc_rsp
;
621 struct mwifiex_bssdescriptor
*bss_desc
;
622 u8 enable_data
= true;
623 u16 cap_info
, status_code
;
625 assoc_rsp
= (struct ieee_types_assoc_rsp
*) &resp
->params
;
627 cap_info
= le16_to_cpu(assoc_rsp
->cap_info_bitmap
);
628 status_code
= le16_to_cpu(assoc_rsp
->status_code
);
630 priv
->assoc_rsp_size
= min(le16_to_cpu(resp
->size
) - S_DS_GEN
,
631 sizeof(priv
->assoc_rsp_buf
));
633 memcpy(priv
->assoc_rsp_buf
, &resp
->params
, priv
->assoc_rsp_size
);
636 priv
->adapter
->dbg
.num_cmd_assoc_failure
++;
637 dev_err(priv
->adapter
->dev
,
638 "ASSOC_RESP: failed, status code=%d err=%#x a_id=%#x\n",
639 status_code
, cap_info
, le16_to_cpu(assoc_rsp
->a_id
));
641 if (cap_info
== MWIFIEX_TIMEOUT_FOR_AP_RESP
) {
642 if (status_code
== MWIFIEX_STATUS_CODE_AUTH_TIMEOUT
)
643 ret
= WLAN_STATUS_AUTH_TIMEOUT
;
645 ret
= WLAN_STATUS_UNSPECIFIED_FAILURE
;
653 /* Send a Media Connected event, according to the Spec */
654 priv
->media_connected
= true;
656 priv
->adapter
->ps_state
= PS_STATE_AWAKE
;
657 priv
->adapter
->pps_uapsd_mode
= false;
658 priv
->adapter
->tx_lock_flag
= false;
660 /* Set the attempted BSSID Index to current */
661 bss_desc
= priv
->attempted_bss_desc
;
663 dev_dbg(priv
->adapter
->dev
, "info: ASSOC_RESP: %s\n",
664 bss_desc
->ssid
.ssid
);
666 /* Make a copy of current BSSID descriptor */
667 memcpy(&priv
->curr_bss_params
.bss_descriptor
,
668 bss_desc
, sizeof(struct mwifiex_bssdescriptor
));
670 /* Update curr_bss_params */
671 priv
->curr_bss_params
.bss_descriptor
.channel
672 = bss_desc
->phy_param_set
.ds_param_set
.current_chan
;
674 priv
->curr_bss_params
.band
= (u8
) bss_desc
->bss_band
;
676 if (bss_desc
->wmm_ie
.vend_hdr
.element_id
== WLAN_EID_VENDOR_SPECIFIC
)
677 priv
->curr_bss_params
.wmm_enabled
= true;
679 priv
->curr_bss_params
.wmm_enabled
= false;
681 if ((priv
->wmm_required
|| bss_desc
->bcn_ht_cap
) &&
682 priv
->curr_bss_params
.wmm_enabled
)
683 priv
->wmm_enabled
= true;
685 priv
->wmm_enabled
= false;
687 priv
->curr_bss_params
.wmm_uapsd_enabled
= false;
689 if (priv
->wmm_enabled
)
690 priv
->curr_bss_params
.wmm_uapsd_enabled
691 = ((bss_desc
->wmm_ie
.qos_info_bitmap
&
692 IEEE80211_WMM_IE_AP_QOSINFO_UAPSD
) ? 1 : 0);
694 dev_dbg(priv
->adapter
->dev
, "info: ASSOC_RESP: curr_pkt_filter is %#x\n",
695 priv
->curr_pkt_filter
);
696 if (priv
->sec_info
.wpa_enabled
|| priv
->sec_info
.wpa2_enabled
)
697 priv
->wpa_is_gtk_set
= false;
699 if (priv
->wmm_enabled
) {
700 /* Don't re-enable carrier until we get the WMM_GET_STATUS
704 /* Since WMM is not enabled, setup the queues with the
706 mwifiex_wmm_setup_queue_priorities(priv
, NULL
);
707 mwifiex_wmm_setup_ac_downgrade(priv
);
711 dev_dbg(priv
->adapter
->dev
,
712 "info: post association, re-enabling data flow\n");
714 /* Reset SNR/NF/RSSI values */
715 priv
->data_rssi_last
= 0;
716 priv
->data_nf_last
= 0;
717 priv
->data_rssi_avg
= 0;
718 priv
->data_nf_avg
= 0;
719 priv
->bcn_rssi_last
= 0;
720 priv
->bcn_nf_last
= 0;
721 priv
->bcn_rssi_avg
= 0;
722 priv
->bcn_nf_avg
= 0;
724 priv
->rxpd_htinfo
= 0;
726 mwifiex_save_curr_bcn(priv
);
728 priv
->adapter
->dbg
.num_cmd_assoc_success
++;
730 dev_dbg(priv
->adapter
->dev
, "info: ASSOC_RESP: associated\n");
732 /* Add the ra_list here for infra mode as there will be only 1 ra
734 mwifiex_ralist_add(priv
,
735 priv
->curr_bss_params
.bss_descriptor
.mac_address
);
737 if (!netif_carrier_ok(priv
->netdev
))
738 netif_carrier_on(priv
->netdev
);
739 mwifiex_wake_up_net_dev_queue(priv
->netdev
, adapter
);
741 if (priv
->sec_info
.wpa_enabled
|| priv
->sec_info
.wpa2_enabled
)
742 priv
->scan_block
= true;
745 /* Need to indicate IOCTL complete */
746 if (adapter
->curr_cmd
->wait_q_enabled
) {
748 adapter
->cmd_wait_q
.status
= -1;
750 adapter
->cmd_wait_q
.status
= 0;
757 * This function prepares command for ad-hoc start.
759 * Driver will fill up SSID, BSS mode, IBSS parameters, physical
760 * parameters, probe delay, and capability information. Firmware
761 * will fill up beacon period, basic rates and operational rates.
763 * In addition, the following TLVs are added -
765 * - Vendor specific IE
767 * - HT Capabilities IE
768 * - HT Information IE
770 * Preparation also includes -
771 * - Setting command ID and proper size
772 * - Ensuring correct endian-ness
775 mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private
*priv
,
776 struct host_cmd_ds_command
*cmd
,
777 struct cfg80211_ssid
*req_ssid
)
780 struct mwifiex_adapter
*adapter
= priv
->adapter
;
781 struct host_cmd_ds_802_11_ad_hoc_start
*adhoc_start
=
782 &cmd
->params
.adhoc_start
;
783 struct mwifiex_bssdescriptor
*bss_desc
;
784 u32 cmd_append_size
= 0;
787 struct mwifiex_ie_types_chan_list_param_set
*chan_tlv
;
790 struct mwifiex_ie_types_htcap
*ht_cap
;
791 struct mwifiex_ie_types_htinfo
*ht_info
;
792 u8
*pos
= (u8
*) adhoc_start
+
793 sizeof(struct host_cmd_ds_802_11_ad_hoc_start
);
798 cmd
->command
= cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_START
);
800 bss_desc
= &priv
->curr_bss_params
.bss_descriptor
;
801 priv
->attempted_bss_desc
= bss_desc
;
804 * Fill in the parameters for 2 data structures:
805 * 1. struct host_cmd_ds_802_11_ad_hoc_start command
807 * Driver will fill up SSID, bss_mode,IBSS param, Physical Param,
808 * probe delay, and Cap info.
809 * Firmware will fill up beacon period, Basic rates
810 * and operational rates.
813 memset(adhoc_start
->ssid
, 0, IEEE80211_MAX_SSID_LEN
);
815 memcpy(adhoc_start
->ssid
, req_ssid
->ssid
, req_ssid
->ssid_len
);
817 dev_dbg(adapter
->dev
, "info: ADHOC_S_CMD: SSID = %s\n",
820 memset(bss_desc
->ssid
.ssid
, 0, IEEE80211_MAX_SSID_LEN
);
821 memcpy(bss_desc
->ssid
.ssid
, req_ssid
->ssid
, req_ssid
->ssid_len
);
823 bss_desc
->ssid
.ssid_len
= req_ssid
->ssid_len
;
825 /* Set the BSS mode */
826 adhoc_start
->bss_mode
= HostCmd_BSS_MODE_IBSS
;
827 bss_desc
->bss_mode
= NL80211_IFTYPE_ADHOC
;
828 adhoc_start
->beacon_period
= cpu_to_le16(priv
->beacon_period
);
829 bss_desc
->beacon_period
= priv
->beacon_period
;
831 /* Set Physical param set */
832 /* Parameter IE Id */
833 #define DS_PARA_IE_ID 3
834 /* Parameter IE length */
835 #define DS_PARA_IE_LEN 1
837 adhoc_start
->phy_param_set
.ds_param_set
.element_id
= DS_PARA_IE_ID
;
838 adhoc_start
->phy_param_set
.ds_param_set
.len
= DS_PARA_IE_LEN
;
840 if (!mwifiex_get_cfp(priv
, adapter
->adhoc_start_band
,
841 (u16
) priv
->adhoc_channel
, 0)) {
842 struct mwifiex_chan_freq_power
*cfp
;
843 cfp
= mwifiex_get_cfp(priv
, adapter
->adhoc_start_band
,
844 FIRST_VALID_CHANNEL
, 0);
846 priv
->adhoc_channel
= (u8
) cfp
->channel
;
849 if (!priv
->adhoc_channel
) {
850 dev_err(adapter
->dev
, "ADHOC_S_CMD: adhoc_channel cannot be 0\n");
854 dev_dbg(adapter
->dev
, "info: ADHOC_S_CMD: creating ADHOC on channel %d\n",
855 priv
->adhoc_channel
);
857 priv
->curr_bss_params
.bss_descriptor
.channel
= priv
->adhoc_channel
;
858 priv
->curr_bss_params
.band
= adapter
->adhoc_start_band
;
860 bss_desc
->channel
= priv
->adhoc_channel
;
861 adhoc_start
->phy_param_set
.ds_param_set
.current_chan
=
864 memcpy(&bss_desc
->phy_param_set
, &adhoc_start
->phy_param_set
,
865 sizeof(union ieee_types_phy_param_set
));
867 /* Set IBSS param set */
868 /* IBSS parameter IE Id */
869 #define IBSS_PARA_IE_ID 6
870 /* IBSS parameter IE length */
871 #define IBSS_PARA_IE_LEN 2
873 adhoc_start
->ss_param_set
.ibss_param_set
.element_id
= IBSS_PARA_IE_ID
;
874 adhoc_start
->ss_param_set
.ibss_param_set
.len
= IBSS_PARA_IE_LEN
;
875 adhoc_start
->ss_param_set
.ibss_param_set
.atim_window
876 = cpu_to_le16(priv
->atim_window
);
877 memcpy(&bss_desc
->ss_param_set
, &adhoc_start
->ss_param_set
,
878 sizeof(union ieee_types_ss_param_set
));
880 /* Set Capability info */
881 bss_desc
->cap_info_bitmap
|= WLAN_CAPABILITY_IBSS
;
882 tmp_cap
= le16_to_cpu(adhoc_start
->cap_info_bitmap
);
883 tmp_cap
&= ~WLAN_CAPABILITY_ESS
;
884 tmp_cap
|= WLAN_CAPABILITY_IBSS
;
886 /* Set up privacy in bss_desc */
887 if (priv
->sec_info
.encryption_mode
) {
888 /* Ad-Hoc capability privacy on */
889 dev_dbg(adapter
->dev
,
890 "info: ADHOC_S_CMD: wep_status set privacy to WEP\n");
891 bss_desc
->privacy
= MWIFIEX_802_11_PRIV_FILTER_8021X_WEP
;
892 tmp_cap
|= WLAN_CAPABILITY_PRIVACY
;
894 dev_dbg(adapter
->dev
, "info: ADHOC_S_CMD: wep_status NOT set,"
895 " setting privacy to ACCEPT ALL\n");
896 bss_desc
->privacy
= MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL
;
899 memset(adhoc_start
->data_rate
, 0, sizeof(adhoc_start
->data_rate
));
900 mwifiex_get_active_data_rates(priv
, adhoc_start
->data_rate
);
901 if ((adapter
->adhoc_start_band
& BAND_G
) &&
902 (priv
->curr_pkt_filter
& HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON
)) {
903 if (mwifiex_send_cmd_async(priv
, HostCmd_CMD_MAC_CONTROL
,
904 HostCmd_ACT_GEN_SET
, 0,
905 &priv
->curr_pkt_filter
)) {
906 dev_err(adapter
->dev
,
907 "ADHOC_S_CMD: G Protection config failed\n");
911 /* Find the last non zero */
912 for (i
= 0; i
< sizeof(adhoc_start
->data_rate
); i
++)
913 if (!adhoc_start
->data_rate
[i
])
916 priv
->curr_bss_params
.num_of_rates
= i
;
918 /* Copy the ad-hoc creating rates into Current BSS rate structure */
919 memcpy(&priv
->curr_bss_params
.data_rates
,
920 &adhoc_start
->data_rate
, priv
->curr_bss_params
.num_of_rates
);
922 dev_dbg(adapter
->dev
, "info: ADHOC_S_CMD: rates=%02x %02x %02x %02x\n",
923 adhoc_start
->data_rate
[0], adhoc_start
->data_rate
[1],
924 adhoc_start
->data_rate
[2], adhoc_start
->data_rate
[3]);
926 dev_dbg(adapter
->dev
, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n");
928 if (IS_SUPPORT_MULTI_BANDS(adapter
)) {
929 /* Append a channel TLV */
930 chan_tlv
= (struct mwifiex_ie_types_chan_list_param_set
*) pos
;
931 chan_tlv
->header
.type
= cpu_to_le16(TLV_TYPE_CHANLIST
);
932 chan_tlv
->header
.len
=
933 cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set
));
935 memset(chan_tlv
->chan_scan_param
, 0x00,
936 sizeof(struct mwifiex_chan_scan_param_set
));
937 chan_tlv
->chan_scan_param
[0].chan_number
=
938 (u8
) priv
->curr_bss_params
.bss_descriptor
.channel
;
940 dev_dbg(adapter
->dev
, "info: ADHOC_S_CMD: TLV Chan = %d\n",
941 chan_tlv
->chan_scan_param
[0].chan_number
);
943 chan_tlv
->chan_scan_param
[0].radio_type
944 = mwifiex_band_to_radio_type(priv
->curr_bss_params
.band
);
945 if (adapter
->adhoc_start_band
& BAND_GN
||
946 adapter
->adhoc_start_band
& BAND_AN
) {
947 if (adapter
->sec_chan_offset
==
948 IEEE80211_HT_PARAM_CHA_SEC_ABOVE
)
949 chan_tlv
->chan_scan_param
[0].radio_type
|=
950 (IEEE80211_HT_PARAM_CHA_SEC_ABOVE
<< 4);
951 else if (adapter
->sec_chan_offset
==
952 IEEE80211_HT_PARAM_CHA_SEC_ABOVE
)
953 chan_tlv
->chan_scan_param
[0].radio_type
|=
954 (IEEE80211_HT_PARAM_CHA_SEC_BELOW
<< 4);
956 dev_dbg(adapter
->dev
, "info: ADHOC_S_CMD: TLV Band = %d\n",
957 chan_tlv
->chan_scan_param
[0].radio_type
);
958 pos
+= sizeof(chan_tlv
->header
) +
959 sizeof(struct mwifiex_chan_scan_param_set
);
961 sizeof(chan_tlv
->header
) +
962 sizeof(struct mwifiex_chan_scan_param_set
);
965 /* Append vendor specific IE TLV */
966 cmd_append_size
+= mwifiex_cmd_append_vsie_tlv(priv
,
967 MWIFIEX_VSIE_MASK_ADHOC
, &pos
);
969 if (priv
->sec_info
.wpa_enabled
) {
970 rsn_ie_len
= mwifiex_append_rsn_ie_wpa_wpa2(priv
, &pos
);
971 if (rsn_ie_len
== -1)
973 cmd_append_size
+= rsn_ie_len
;
976 if (adapter
->adhoc_11n_enabled
) {
977 /* Fill HT CAPABILITY */
978 ht_cap
= (struct mwifiex_ie_types_htcap
*) pos
;
979 memset(ht_cap
, 0, sizeof(struct mwifiex_ie_types_htcap
));
980 ht_cap
->header
.type
= cpu_to_le16(WLAN_EID_HT_CAPABILITY
);
982 cpu_to_le16(sizeof(struct ieee80211_ht_cap
));
983 radio_type
= mwifiex_band_to_radio_type(
984 priv
->adapter
->config_bands
);
985 mwifiex_fill_cap_info(priv
, radio_type
, ht_cap
);
987 if (adapter
->sec_chan_offset
==
988 IEEE80211_HT_PARAM_CHA_SEC_NONE
) {
991 tmp_ht_cap
= le16_to_cpu(ht_cap
->ht_cap
.cap_info
);
992 tmp_ht_cap
&= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40
;
993 tmp_ht_cap
&= ~IEEE80211_HT_CAP_SGI_40
;
994 ht_cap
->ht_cap
.cap_info
= cpu_to_le16(tmp_ht_cap
);
997 pos
+= sizeof(struct mwifiex_ie_types_htcap
);
998 cmd_append_size
+= sizeof(struct mwifiex_ie_types_htcap
);
1000 /* Fill HT INFORMATION */
1001 ht_info
= (struct mwifiex_ie_types_htinfo
*) pos
;
1002 memset(ht_info
, 0, sizeof(struct mwifiex_ie_types_htinfo
));
1003 ht_info
->header
.type
= cpu_to_le16(WLAN_EID_HT_OPERATION
);
1004 ht_info
->header
.len
=
1005 cpu_to_le16(sizeof(struct ieee80211_ht_operation
));
1007 ht_info
->ht_oper
.primary_chan
=
1008 (u8
) priv
->curr_bss_params
.bss_descriptor
.channel
;
1009 if (adapter
->sec_chan_offset
) {
1010 ht_info
->ht_oper
.ht_param
= adapter
->sec_chan_offset
;
1011 ht_info
->ht_oper
.ht_param
|=
1012 IEEE80211_HT_PARAM_CHAN_WIDTH_ANY
;
1014 ht_info
->ht_oper
.operation_mode
=
1015 cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
);
1016 ht_info
->ht_oper
.basic_set
[0] = 0xff;
1017 pos
+= sizeof(struct mwifiex_ie_types_htinfo
);
1019 sizeof(struct mwifiex_ie_types_htinfo
);
1023 cpu_to_le16((u16
)(sizeof(struct host_cmd_ds_802_11_ad_hoc_start
)
1024 + S_DS_GEN
+ cmd_append_size
));
1026 if (adapter
->adhoc_start_band
== BAND_B
)
1027 tmp_cap
&= ~WLAN_CAPABILITY_SHORT_SLOT_TIME
;
1029 tmp_cap
|= WLAN_CAPABILITY_SHORT_SLOT_TIME
;
1031 adhoc_start
->cap_info_bitmap
= cpu_to_le16(tmp_cap
);
1037 * This function prepares command for ad-hoc join.
1039 * Most of the parameters are set up by copying from the target BSS descriptor
1040 * from the scan response.
1042 * In addition, the following TLVs are added -
1044 * - Vendor specific IE
1048 * Preparation also includes -
1049 * - Setting command ID and proper size
1050 * - Ensuring correct endian-ness
1053 mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private
*priv
,
1054 struct host_cmd_ds_command
*cmd
,
1055 struct mwifiex_bssdescriptor
*bss_desc
)
1058 struct host_cmd_ds_802_11_ad_hoc_join
*adhoc_join
=
1059 &cmd
->params
.adhoc_join
;
1060 struct mwifiex_ie_types_chan_list_param_set
*chan_tlv
;
1061 u32 cmd_append_size
= 0;
1063 u32 i
, rates_size
= 0;
1064 u16 curr_pkt_filter
;
1067 sizeof(struct host_cmd_ds_802_11_ad_hoc_join
);
1069 /* Use G protection */
1070 #define USE_G_PROTECTION 0x02
1071 if (bss_desc
->erp_flags
& USE_G_PROTECTION
) {
1074 curr_pkt_filter
| HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON
;
1076 if (mwifiex_send_cmd_async(priv
, HostCmd_CMD_MAC_CONTROL
,
1077 HostCmd_ACT_GEN_SET
, 0,
1078 &curr_pkt_filter
)) {
1079 dev_err(priv
->adapter
->dev
,
1080 "ADHOC_J_CMD: G Protection config failed\n");
1085 priv
->attempted_bss_desc
= bss_desc
;
1087 cmd
->command
= cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_JOIN
);
1089 adhoc_join
->bss_descriptor
.bss_mode
= HostCmd_BSS_MODE_IBSS
;
1091 adhoc_join
->bss_descriptor
.beacon_period
1092 = cpu_to_le16(bss_desc
->beacon_period
);
1094 memcpy(&adhoc_join
->bss_descriptor
.bssid
,
1095 &bss_desc
->mac_address
, ETH_ALEN
);
1097 memcpy(&adhoc_join
->bss_descriptor
.ssid
,
1098 &bss_desc
->ssid
.ssid
, bss_desc
->ssid
.ssid_len
);
1100 memcpy(&adhoc_join
->bss_descriptor
.phy_param_set
,
1101 &bss_desc
->phy_param_set
,
1102 sizeof(union ieee_types_phy_param_set
));
1104 memcpy(&adhoc_join
->bss_descriptor
.ss_param_set
,
1105 &bss_desc
->ss_param_set
, sizeof(union ieee_types_ss_param_set
));
1107 tmp_cap
= bss_desc
->cap_info_bitmap
;
1109 tmp_cap
&= CAPINFO_MASK
;
1111 dev_dbg(priv
->adapter
->dev
,
1112 "info: ADHOC_J_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
1113 tmp_cap
, CAPINFO_MASK
);
1115 /* Information on BSSID descriptor passed to FW */
1116 dev_dbg(priv
->adapter
->dev
, "info: ADHOC_J_CMD: BSSID=%pM, SSID='%s'\n",
1117 adhoc_join
->bss_descriptor
.bssid
,
1118 adhoc_join
->bss_descriptor
.ssid
);
1120 for (i
= 0; i
< MWIFIEX_SUPPORTED_RATES
&&
1121 bss_desc
->supported_rates
[i
]; i
++)
1125 /* Copy Data Rates from the Rates recorded in scan response */
1126 memset(adhoc_join
->bss_descriptor
.data_rates
, 0,
1127 sizeof(adhoc_join
->bss_descriptor
.data_rates
));
1128 memcpy(adhoc_join
->bss_descriptor
.data_rates
,
1129 bss_desc
->supported_rates
, rates_size
);
1131 /* Copy the adhoc join rates into Current BSS state structure */
1132 priv
->curr_bss_params
.num_of_rates
= rates_size
;
1133 memcpy(&priv
->curr_bss_params
.data_rates
, bss_desc
->supported_rates
,
1136 /* Copy the channel information */
1137 priv
->curr_bss_params
.bss_descriptor
.channel
= bss_desc
->channel
;
1138 priv
->curr_bss_params
.band
= (u8
) bss_desc
->bss_band
;
1140 if (priv
->sec_info
.wep_enabled
|| priv
->sec_info
.wpa_enabled
)
1141 tmp_cap
|= WLAN_CAPABILITY_PRIVACY
;
1143 if (IS_SUPPORT_MULTI_BANDS(priv
->adapter
)) {
1144 /* Append a channel TLV */
1145 chan_tlv
= (struct mwifiex_ie_types_chan_list_param_set
*) pos
;
1146 chan_tlv
->header
.type
= cpu_to_le16(TLV_TYPE_CHANLIST
);
1147 chan_tlv
->header
.len
=
1148 cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set
));
1150 memset(chan_tlv
->chan_scan_param
, 0x00,
1151 sizeof(struct mwifiex_chan_scan_param_set
));
1152 chan_tlv
->chan_scan_param
[0].chan_number
=
1153 (bss_desc
->phy_param_set
.ds_param_set
.current_chan
);
1154 dev_dbg(priv
->adapter
->dev
, "info: ADHOC_J_CMD: TLV Chan=%d\n",
1155 chan_tlv
->chan_scan_param
[0].chan_number
);
1157 chan_tlv
->chan_scan_param
[0].radio_type
=
1158 mwifiex_band_to_radio_type((u8
) bss_desc
->bss_band
);
1160 dev_dbg(priv
->adapter
->dev
, "info: ADHOC_J_CMD: TLV Band=%d\n",
1161 chan_tlv
->chan_scan_param
[0].radio_type
);
1162 pos
+= sizeof(chan_tlv
->header
) +
1163 sizeof(struct mwifiex_chan_scan_param_set
);
1164 cmd_append_size
+= sizeof(chan_tlv
->header
) +
1165 sizeof(struct mwifiex_chan_scan_param_set
);
1168 if (priv
->sec_info
.wpa_enabled
)
1169 rsn_ie_len
= mwifiex_append_rsn_ie_wpa_wpa2(priv
, &pos
);
1170 if (rsn_ie_len
== -1)
1172 cmd_append_size
+= rsn_ie_len
;
1174 if (ISSUPP_11NENABLED(priv
->adapter
->fw_cap_info
))
1175 cmd_append_size
+= mwifiex_cmd_append_11n_tlv(priv
,
1178 /* Append vendor specific IE TLV */
1179 cmd_append_size
+= mwifiex_cmd_append_vsie_tlv(priv
,
1180 MWIFIEX_VSIE_MASK_ADHOC
, &pos
);
1182 cmd
->size
= cpu_to_le16
1183 ((u16
) (sizeof(struct host_cmd_ds_802_11_ad_hoc_join
)
1184 + S_DS_GEN
+ cmd_append_size
));
1186 adhoc_join
->bss_descriptor
.cap_info_bitmap
= cpu_to_le16(tmp_cap
);
1192 * This function handles the command response of ad-hoc start and
1195 * The function generates a device-connected event to notify
1196 * the applications, in case of successful ad-hoc start/join, and
1197 * saves the beacon buffer.
1199 int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private
*priv
,
1200 struct host_cmd_ds_command
*resp
)
1203 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1204 struct host_cmd_ds_802_11_ad_hoc_result
*adhoc_result
;
1205 struct mwifiex_bssdescriptor
*bss_desc
;
1208 adhoc_result
= &resp
->params
.adhoc_result
;
1210 bss_desc
= priv
->attempted_bss_desc
;
1212 /* Join result code 0 --> SUCCESS */
1213 reason_code
= le16_to_cpu(resp
->result
);
1215 dev_err(priv
->adapter
->dev
, "ADHOC_RESP: failed\n");
1216 if (priv
->media_connected
)
1217 mwifiex_reset_connect_state(priv
, reason_code
);
1219 memset(&priv
->curr_bss_params
.bss_descriptor
,
1220 0x00, sizeof(struct mwifiex_bssdescriptor
));
1226 /* Send a Media Connected event, according to the Spec */
1227 priv
->media_connected
= true;
1229 if (le16_to_cpu(resp
->command
) == HostCmd_CMD_802_11_AD_HOC_START
) {
1230 dev_dbg(priv
->adapter
->dev
, "info: ADHOC_S_RESP %s\n",
1231 bss_desc
->ssid
.ssid
);
1233 /* Update the created network descriptor with the new BSSID */
1234 memcpy(bss_desc
->mac_address
,
1235 adhoc_result
->bssid
, ETH_ALEN
);
1237 priv
->adhoc_state
= ADHOC_STARTED
;
1240 * Now the join cmd should be successful.
1241 * If BSSID has changed use SSID to compare instead of BSSID
1243 dev_dbg(priv
->adapter
->dev
, "info: ADHOC_J_RESP %s\n",
1244 bss_desc
->ssid
.ssid
);
1247 * Make a copy of current BSSID descriptor, only needed for
1248 * join since the current descriptor is already being used
1251 memcpy(&priv
->curr_bss_params
.bss_descriptor
,
1252 bss_desc
, sizeof(struct mwifiex_bssdescriptor
));
1254 priv
->adhoc_state
= ADHOC_JOINED
;
1257 dev_dbg(priv
->adapter
->dev
, "info: ADHOC_RESP: channel = %d\n",
1258 priv
->adhoc_channel
);
1259 dev_dbg(priv
->adapter
->dev
, "info: ADHOC_RESP: BSSID = %pM\n",
1260 priv
->curr_bss_params
.bss_descriptor
.mac_address
);
1262 if (!netif_carrier_ok(priv
->netdev
))
1263 netif_carrier_on(priv
->netdev
);
1264 mwifiex_wake_up_net_dev_queue(priv
->netdev
, adapter
);
1266 mwifiex_save_curr_bcn(priv
);
1269 /* Need to indicate IOCTL complete */
1270 if (adapter
->curr_cmd
->wait_q_enabled
) {
1272 adapter
->cmd_wait_q
.status
= -1;
1274 adapter
->cmd_wait_q
.status
= 0;
1282 * This function associates to a specific BSS discovered in a scan.
1284 * It clears any past association response stored for application
1285 * retrieval and calls the command preparation routine to send the
1286 * command to firmware.
1288 int mwifiex_associate(struct mwifiex_private
*priv
,
1289 struct mwifiex_bssdescriptor
*bss_desc
)
1291 u8 current_bssid
[ETH_ALEN
];
1293 /* Return error if the adapter or table entry is not marked as infra */
1294 if ((priv
->bss_mode
!= NL80211_IFTYPE_STATION
) ||
1295 (bss_desc
->bss_mode
!= NL80211_IFTYPE_STATION
))
1298 memcpy(¤t_bssid
,
1299 &priv
->curr_bss_params
.bss_descriptor
.mac_address
,
1300 sizeof(current_bssid
));
1302 /* Clear any past association response stored for application
1304 priv
->assoc_rsp_size
= 0;
1306 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_ASSOCIATE
,
1307 HostCmd_ACT_GEN_SET
, 0, bss_desc
);
1311 * This function starts an ad-hoc network.
1313 * It calls the command preparation routine to send the command to firmware.
1316 mwifiex_adhoc_start(struct mwifiex_private
*priv
,
1317 struct cfg80211_ssid
*adhoc_ssid
)
1319 dev_dbg(priv
->adapter
->dev
, "info: Adhoc Channel = %d\n",
1320 priv
->adhoc_channel
);
1321 dev_dbg(priv
->adapter
->dev
, "info: curr_bss_params.channel = %d\n",
1322 priv
->curr_bss_params
.bss_descriptor
.channel
);
1323 dev_dbg(priv
->adapter
->dev
, "info: curr_bss_params.band = %d\n",
1324 priv
->curr_bss_params
.band
);
1326 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_AD_HOC_START
,
1327 HostCmd_ACT_GEN_SET
, 0, adhoc_ssid
);
1331 * This function joins an ad-hoc network found in a previous scan.
1333 * It calls the command preparation routine to send the command to firmware,
1334 * if already not connected to the requested SSID.
1336 int mwifiex_adhoc_join(struct mwifiex_private
*priv
,
1337 struct mwifiex_bssdescriptor
*bss_desc
)
1339 dev_dbg(priv
->adapter
->dev
, "info: adhoc join: curr_bss ssid =%s\n",
1340 priv
->curr_bss_params
.bss_descriptor
.ssid
.ssid
);
1341 dev_dbg(priv
->adapter
->dev
, "info: adhoc join: curr_bss ssid_len =%u\n",
1342 priv
->curr_bss_params
.bss_descriptor
.ssid
.ssid_len
);
1343 dev_dbg(priv
->adapter
->dev
, "info: adhoc join: ssid =%s\n",
1344 bss_desc
->ssid
.ssid
);
1345 dev_dbg(priv
->adapter
->dev
, "info: adhoc join: ssid_len =%u\n",
1346 bss_desc
->ssid
.ssid_len
);
1348 /* Check if the requested SSID is already joined */
1349 if (priv
->curr_bss_params
.bss_descriptor
.ssid
.ssid_len
&&
1350 !mwifiex_ssid_cmp(&bss_desc
->ssid
,
1351 &priv
->curr_bss_params
.bss_descriptor
.ssid
) &&
1352 (priv
->curr_bss_params
.bss_descriptor
.bss_mode
==
1353 NL80211_IFTYPE_ADHOC
)) {
1354 dev_dbg(priv
->adapter
->dev
, "info: ADHOC_J_CMD: new ad-hoc SSID"
1355 " is the same as current; not attempting to re-join\n");
1359 dev_dbg(priv
->adapter
->dev
, "info: curr_bss_params.channel = %d\n",
1360 priv
->curr_bss_params
.bss_descriptor
.channel
);
1361 dev_dbg(priv
->adapter
->dev
, "info: curr_bss_params.band = %c\n",
1362 priv
->curr_bss_params
.band
);
1364 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_AD_HOC_JOIN
,
1365 HostCmd_ACT_GEN_SET
, 0, bss_desc
);
1369 * This function deauthenticates/disconnects from infra network by sending
1370 * deauthentication request.
1372 static int mwifiex_deauthenticate_infra(struct mwifiex_private
*priv
, u8
*mac
)
1374 u8 mac_address
[ETH_ALEN
];
1377 if (!mac
|| is_zero_ether_addr(mac
))
1379 priv
->curr_bss_params
.bss_descriptor
.mac_address
,
1382 memcpy(mac_address
, mac
, ETH_ALEN
);
1384 ret
= mwifiex_send_cmd_sync(priv
, HostCmd_CMD_802_11_DEAUTHENTICATE
,
1385 HostCmd_ACT_GEN_SET
, 0, mac_address
);
1391 * This function deauthenticates/disconnects from a BSS.
1393 * In case of infra made, it sends deauthentication request, and
1394 * in case of ad-hoc mode, a stop network request is sent to the firmware.
1395 * In AP mode, a command to stop bss is sent to firmware.
1397 int mwifiex_deauthenticate(struct mwifiex_private
*priv
, u8
*mac
)
1399 if (!priv
->media_connected
)
1402 switch (priv
->bss_mode
) {
1403 case NL80211_IFTYPE_STATION
:
1404 return mwifiex_deauthenticate_infra(priv
, mac
);
1405 case NL80211_IFTYPE_ADHOC
:
1406 return mwifiex_send_cmd_sync(priv
,
1407 HostCmd_CMD_802_11_AD_HOC_STOP
,
1408 HostCmd_ACT_GEN_SET
, 0, NULL
);
1409 case NL80211_IFTYPE_AP
:
1410 return mwifiex_send_cmd_sync(priv
, HostCmd_CMD_UAP_BSS_STOP
,
1411 HostCmd_ACT_GEN_SET
, 0, NULL
);
1418 EXPORT_SYMBOL_GPL(mwifiex_deauthenticate
);
1421 * This function converts band to radio type used in channel TLV.
1424 mwifiex_band_to_radio_type(u8 band
)
1429 case BAND_A
| BAND_AN
:
1430 case BAND_A
| BAND_AN
| BAND_AAC
:
1431 return HostCmd_SCAN_RADIO_TYPE_A
;
1434 case BAND_B
| BAND_G
:
1436 return HostCmd_SCAN_RADIO_TYPE_BG
;