1 /******************************************************************************
3 * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *****************************************************************************/
31 #include "iwl-agn-calib.h"
32 #include "iwl-helpers.h"
34 static int iwlagn_disable_bss(struct iwl_priv
*priv
,
35 struct iwl_rxon_context
*ctx
,
36 struct iwl_rxon_cmd
*send
)
38 __le32 old_filter
= send
->filter_flags
;
41 send
->filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
42 ret
= iwl_send_cmd_pdu(priv
, ctx
->rxon_cmd
, sizeof(*send
), send
);
44 send
->filter_flags
= old_filter
;
47 IWL_ERR(priv
, "Error clearing ASSOC_MSK on BSS (%d)\n", ret
);
52 static int iwlagn_disable_pan(struct iwl_priv
*priv
,
53 struct iwl_rxon_context
*ctx
,
54 struct iwl_rxon_cmd
*send
)
56 struct iwl_notification_wait disable_wait
;
57 __le32 old_filter
= send
->filter_flags
;
58 u8 old_dev_type
= send
->dev_type
;
61 iwlagn_init_notification_wait(priv
, &disable_wait
,
62 REPLY_WIPAN_DEACTIVATION_COMPLETE
,
65 send
->filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
66 send
->dev_type
= RXON_DEV_TYPE_P2P
;
67 ret
= iwl_send_cmd_pdu(priv
, ctx
->rxon_cmd
, sizeof(*send
), send
);
69 send
->filter_flags
= old_filter
;
70 send
->dev_type
= old_dev_type
;
73 IWL_ERR(priv
, "Error disabling PAN (%d)\n", ret
);
74 iwlagn_remove_notification(priv
, &disable_wait
);
76 ret
= iwlagn_wait_notification(priv
, &disable_wait
, HZ
);
78 IWL_ERR(priv
, "Timed out waiting for PAN disable\n");
84 static void iwlagn_update_qos(struct iwl_priv
*priv
,
85 struct iwl_rxon_context
*ctx
)
92 ctx
->qos_data
.def_qos_parm
.qos_flags
= 0;
94 if (ctx
->qos_data
.qos_active
)
95 ctx
->qos_data
.def_qos_parm
.qos_flags
|=
96 QOS_PARAM_FLG_UPDATE_EDCA_MSK
;
99 ctx
->qos_data
.def_qos_parm
.qos_flags
|= QOS_PARAM_FLG_TGN_MSK
;
101 IWL_DEBUG_QOS(priv
, "send QoS cmd with Qos active=%d FLAGS=0x%X\n",
102 ctx
->qos_data
.qos_active
,
103 ctx
->qos_data
.def_qos_parm
.qos_flags
);
105 ret
= iwl_send_cmd_pdu(priv
, ctx
->qos_cmd
,
106 sizeof(struct iwl_qosparam_cmd
),
107 &ctx
->qos_data
.def_qos_parm
);
109 IWL_ERR(priv
, "Failed to update QoS\n");
112 static int iwlagn_update_beacon(struct iwl_priv
*priv
,
113 struct ieee80211_vif
*vif
)
115 lockdep_assert_held(&priv
->mutex
);
117 dev_kfree_skb(priv
->beacon_skb
);
118 priv
->beacon_skb
= ieee80211_beacon_get(priv
->hw
, vif
);
119 if (!priv
->beacon_skb
)
121 return iwlagn_send_beacon_cmd(priv
);
124 static int iwlagn_send_rxon_assoc(struct iwl_priv
*priv
,
125 struct iwl_rxon_context
*ctx
)
128 struct iwl5000_rxon_assoc_cmd rxon_assoc
;
129 const struct iwl_rxon_cmd
*rxon1
= &ctx
->staging
;
130 const struct iwl_rxon_cmd
*rxon2
= &ctx
->active
;
132 if ((rxon1
->flags
== rxon2
->flags
) &&
133 (rxon1
->filter_flags
== rxon2
->filter_flags
) &&
134 (rxon1
->cck_basic_rates
== rxon2
->cck_basic_rates
) &&
135 (rxon1
->ofdm_ht_single_stream_basic_rates
==
136 rxon2
->ofdm_ht_single_stream_basic_rates
) &&
137 (rxon1
->ofdm_ht_dual_stream_basic_rates
==
138 rxon2
->ofdm_ht_dual_stream_basic_rates
) &&
139 (rxon1
->ofdm_ht_triple_stream_basic_rates
==
140 rxon2
->ofdm_ht_triple_stream_basic_rates
) &&
141 (rxon1
->acquisition_data
== rxon2
->acquisition_data
) &&
142 (rxon1
->rx_chain
== rxon2
->rx_chain
) &&
143 (rxon1
->ofdm_basic_rates
== rxon2
->ofdm_basic_rates
)) {
144 IWL_DEBUG_INFO(priv
, "Using current RXON_ASSOC. Not resending.\n");
148 rxon_assoc
.flags
= ctx
->staging
.flags
;
149 rxon_assoc
.filter_flags
= ctx
->staging
.filter_flags
;
150 rxon_assoc
.ofdm_basic_rates
= ctx
->staging
.ofdm_basic_rates
;
151 rxon_assoc
.cck_basic_rates
= ctx
->staging
.cck_basic_rates
;
152 rxon_assoc
.reserved1
= 0;
153 rxon_assoc
.reserved2
= 0;
154 rxon_assoc
.reserved3
= 0;
155 rxon_assoc
.ofdm_ht_single_stream_basic_rates
=
156 ctx
->staging
.ofdm_ht_single_stream_basic_rates
;
157 rxon_assoc
.ofdm_ht_dual_stream_basic_rates
=
158 ctx
->staging
.ofdm_ht_dual_stream_basic_rates
;
159 rxon_assoc
.rx_chain_select_flags
= ctx
->staging
.rx_chain
;
160 rxon_assoc
.ofdm_ht_triple_stream_basic_rates
=
161 ctx
->staging
.ofdm_ht_triple_stream_basic_rates
;
162 rxon_assoc
.acquisition_data
= ctx
->staging
.acquisition_data
;
164 ret
= iwl_send_cmd_pdu_async(priv
, ctx
->rxon_assoc_cmd
,
165 sizeof(rxon_assoc
), &rxon_assoc
, NULL
);
173 * iwlagn_commit_rxon - commit staging_rxon to hardware
175 * The RXON command in staging_rxon is committed to the hardware and
176 * the active_rxon structure is updated with the new data. This
177 * function correctly transitions out of the RXON_ASSOC_MSK state if
178 * a HW tune is required based on the RXON structure changes.
180 int iwlagn_commit_rxon(struct iwl_priv
*priv
, struct iwl_rxon_context
*ctx
)
182 /* cast away the const for active_rxon in this function */
183 struct iwl_rxon_cmd
*active
= (void *)&ctx
->active
;
184 bool new_assoc
= !!(ctx
->staging
.filter_flags
& RXON_FILTER_ASSOC_MSK
);
185 bool old_assoc
= !!(ctx
->active
.filter_flags
& RXON_FILTER_ASSOC_MSK
);
188 lockdep_assert_held(&priv
->mutex
);
190 if (test_bit(STATUS_EXIT_PENDING
, &priv
->status
))
193 if (!iwl_is_alive(priv
))
196 /* This function hardcodes a bunch of dual-mode assumptions */
197 BUILD_BUG_ON(NUM_IWL_RXON_CTX
!= 2);
202 /* always get timestamp with Rx frame */
203 ctx
->staging
.flags
|= RXON_FLG_TSF2HOST_MSK
;
205 if (ctx
->ctxid
== IWL_RXON_CTX_PAN
&& priv
->_agn
.hw_roc_channel
) {
206 struct ieee80211_channel
*chan
= priv
->_agn
.hw_roc_channel
;
208 iwl_set_rxon_channel(priv
, chan
, ctx
);
209 iwl_set_flags_for_band(priv
, ctx
, chan
->band
, NULL
);
210 ctx
->staging
.filter_flags
|=
211 RXON_FILTER_ASSOC_MSK
|
212 RXON_FILTER_PROMISC_MSK
|
213 RXON_FILTER_CTL2HOST_MSK
;
214 ctx
->staging
.dev_type
= RXON_DEV_TYPE_P2P
;
217 if (memcmp(&ctx
->staging
, &ctx
->active
,
218 sizeof(ctx
->staging
)) == 0)
222 if ((ctx
->vif
&& ctx
->vif
->bss_conf
.use_short_slot
) ||
223 !(ctx
->staging
.flags
& RXON_FLG_BAND_24G_MSK
))
224 ctx
->staging
.flags
|= RXON_FLG_SHORT_SLOT_MSK
;
226 ctx
->staging
.flags
&= ~RXON_FLG_SHORT_SLOT_MSK
;
228 ret
= iwl_check_rxon_cmd(priv
, ctx
);
230 IWL_ERR(priv
, "Invalid RXON configuration. Not committing.\n");
235 * receive commit_rxon request
236 * abort any previous channel switch if still in process
238 if (priv
->switch_rxon
.switch_in_progress
&&
239 (priv
->switch_rxon
.channel
!= ctx
->staging
.channel
)) {
240 IWL_DEBUG_11H(priv
, "abort channel switch on %d\n",
241 le16_to_cpu(priv
->switch_rxon
.channel
));
242 iwl_chswitch_done(priv
, false);
246 * If we don't need to send a full RXON, we can use
247 * iwl_rxon_assoc_cmd which is used to reconfigure filter
248 * and other flags for the current radio configuration.
250 if (!iwl_full_rxon_required(priv
, ctx
)) {
251 ret
= iwlagn_send_rxon_assoc(priv
, ctx
);
253 IWL_ERR(priv
, "Error setting RXON_ASSOC (%d)\n", ret
);
257 memcpy(active
, &ctx
->staging
, sizeof(*active
));
258 iwl_print_rx_config_cmd(priv
, ctx
);
262 if (priv
->cfg
->ops
->hcmd
->set_pan_params
) {
263 ret
= priv
->cfg
->ops
->hcmd
->set_pan_params(priv
);
268 iwl_set_rxon_hwcrypto(priv
, ctx
, !priv
->cfg
->mod_params
->sw_crypto
);
271 "Going to commit RXON\n"
272 " * with%s RXON_FILTER_ASSOC_MSK\n"
275 (new_assoc
? "" : "out"),
276 le16_to_cpu(ctx
->staging
.channel
),
277 ctx
->staging
.bssid_addr
);
280 * Always clear associated first, but with the correct config.
281 * This is required as for example station addition for the
282 * AP station must be done after the BSSID is set to correctly
283 * set up filters in the device.
285 if ((old_assoc
&& new_assoc
) || !new_assoc
) {
286 if (ctx
->ctxid
== IWL_RXON_CTX_BSS
)
287 ret
= iwlagn_disable_bss(priv
, ctx
, &ctx
->staging
);
289 ret
= iwlagn_disable_pan(priv
, ctx
, &ctx
->staging
);
293 memcpy(active
, &ctx
->staging
, sizeof(*active
));
296 * Un-assoc RXON clears the station table and WEP
297 * keys, so we have to restore those afterwards.
299 iwl_clear_ucode_stations(priv
, ctx
);
300 iwl_restore_stations(priv
, ctx
);
301 ret
= iwl_restore_default_wep_keys(priv
, ctx
);
303 IWL_ERR(priv
, "Failed to restore WEP keys (%d)\n", ret
);
308 /* RXON timing must be before associated RXON */
309 ret
= iwl_send_rxon_timing(priv
, ctx
);
311 IWL_ERR(priv
, "Failed to send timing (%d)!\n", ret
);
316 /* QoS info may be cleared by previous un-assoc RXON */
317 iwlagn_update_qos(priv
, ctx
);
320 * We'll run into this code path when beaconing is
321 * enabled, but then we also need to send the beacon
324 if (ctx
->vif
&& (ctx
->vif
->type
== NL80211_IFTYPE_AP
)) {
325 ret
= iwlagn_update_beacon(priv
, ctx
->vif
);
328 "Error sending required beacon (%d)!\n",
334 priv
->start_calib
= 0;
336 * Apply the new configuration.
338 * Associated RXON doesn't clear the station table in uCode,
339 * so we don't need to restore stations etc. after this.
341 ret
= iwl_send_cmd_pdu(priv
, ctx
->rxon_cmd
,
342 sizeof(struct iwl_rxon_cmd
), &ctx
->staging
);
344 IWL_ERR(priv
, "Error setting new RXON (%d)\n", ret
);
347 memcpy(active
, &ctx
->staging
, sizeof(*active
));
349 iwl_reprogram_ap_sta(priv
, ctx
);
351 /* IBSS beacon needs to be sent after setting assoc */
352 if (ctx
->vif
&& (ctx
->vif
->type
== NL80211_IFTYPE_ADHOC
))
353 if (iwlagn_update_beacon(priv
, ctx
->vif
))
354 IWL_ERR(priv
, "Error sending IBSS beacon\n");
357 iwl_print_rx_config_cmd(priv
, ctx
);
359 iwl_init_sensitivity(priv
);
362 * If we issue a new RXON command which required a tune then we must
363 * send a new TXPOWER command or we won't be able to Tx any frames.
365 * It's expected we set power here if channel is changing.
367 ret
= iwl_set_tx_power(priv
, priv
->tx_power_next
, true);
369 IWL_ERR(priv
, "Error sending TX power (%d)\n", ret
);
376 int iwlagn_mac_config(struct ieee80211_hw
*hw
, u32 changed
)
378 struct iwl_priv
*priv
= hw
->priv
;
379 struct iwl_rxon_context
*ctx
;
380 struct ieee80211_conf
*conf
= &hw
->conf
;
381 struct ieee80211_channel
*channel
= conf
->channel
;
382 const struct iwl_channel_info
*ch_info
;
385 IWL_DEBUG_MAC80211(priv
, "changed %#x", changed
);
387 mutex_lock(&priv
->mutex
);
389 if (unlikely(test_bit(STATUS_SCANNING
, &priv
->status
))) {
390 IWL_DEBUG_MAC80211(priv
, "leave - scanning\n");
394 if (!iwl_is_ready(priv
)) {
395 IWL_DEBUG_MAC80211(priv
, "leave - not ready\n");
399 if (changed
& (IEEE80211_CONF_CHANGE_SMPS
|
400 IEEE80211_CONF_CHANGE_CHANNEL
)) {
401 /* mac80211 uses static for non-HT which is what we want */
402 priv
->current_ht_config
.smps
= conf
->smps_mode
;
405 * Recalculate chain counts.
407 * If monitor mode is enabled then mac80211 will
408 * set up the SM PS mode to OFF if an HT channel is
411 if (priv
->cfg
->ops
->hcmd
->set_rxon_chain
)
412 for_each_context(priv
, ctx
)
413 priv
->cfg
->ops
->hcmd
->set_rxon_chain(priv
, ctx
);
416 if (changed
& IEEE80211_CONF_CHANGE_CHANNEL
) {
419 ch_info
= iwl_get_channel_info(priv
, channel
->band
,
421 if (!is_channel_valid(ch_info
)) {
422 IWL_DEBUG_MAC80211(priv
, "leave - invalid channel\n");
427 spin_lock_irqsave(&priv
->lock
, flags
);
429 for_each_context(priv
, ctx
) {
430 /* Configure HT40 channels */
431 if (ctx
->ht
.enabled
!= conf_is_ht(conf
))
432 ctx
->ht
.enabled
= conf_is_ht(conf
);
434 if (ctx
->ht
.enabled
) {
435 if (conf_is_ht40_minus(conf
)) {
436 ctx
->ht
.extension_chan_offset
=
437 IEEE80211_HT_PARAM_CHA_SEC_BELOW
;
438 ctx
->ht
.is_40mhz
= true;
439 } else if (conf_is_ht40_plus(conf
)) {
440 ctx
->ht
.extension_chan_offset
=
441 IEEE80211_HT_PARAM_CHA_SEC_ABOVE
;
442 ctx
->ht
.is_40mhz
= true;
444 ctx
->ht
.extension_chan_offset
=
445 IEEE80211_HT_PARAM_CHA_SEC_NONE
;
446 ctx
->ht
.is_40mhz
= false;
449 ctx
->ht
.is_40mhz
= false;
452 * Default to no protection. Protection mode will
453 * later be set from BSS config in iwl_ht_conf
455 ctx
->ht
.protection
= IEEE80211_HT_OP_MODE_PROTECTION_NONE
;
457 /* if we are switching from ht to 2.4 clear flags
458 * from any ht related info since 2.4 does not
460 if (le16_to_cpu(ctx
->staging
.channel
) !=
462 ctx
->staging
.flags
= 0;
464 iwl_set_rxon_channel(priv
, channel
, ctx
);
465 iwl_set_rxon_ht(priv
, &priv
->current_ht_config
);
467 iwl_set_flags_for_band(priv
, ctx
, channel
->band
,
471 spin_unlock_irqrestore(&priv
->lock
, flags
);
473 iwl_update_bcast_stations(priv
);
476 * The list of supported rates and rate mask can be different
477 * for each band; since the band may have changed, reset
478 * the rate mask to what mac80211 lists.
483 if (changed
& (IEEE80211_CONF_CHANGE_PS
|
484 IEEE80211_CONF_CHANGE_IDLE
)) {
485 ret
= iwl_power_update_mode(priv
, false);
487 IWL_DEBUG_MAC80211(priv
, "Error setting sleep level\n");
490 if (changed
& IEEE80211_CONF_CHANGE_POWER
) {
491 IWL_DEBUG_MAC80211(priv
, "TX Power old=%d new=%d\n",
492 priv
->tx_power_user_lmt
, conf
->power_level
);
494 iwl_set_tx_power(priv
, conf
->power_level
, false);
497 for_each_context(priv
, ctx
) {
498 if (!memcmp(&ctx
->staging
, &ctx
->active
, sizeof(ctx
->staging
)))
500 iwlagn_commit_rxon(priv
, ctx
);
503 mutex_unlock(&priv
->mutex
);
507 static void iwlagn_check_needed_chains(struct iwl_priv
*priv
,
508 struct iwl_rxon_context
*ctx
,
509 struct ieee80211_bss_conf
*bss_conf
)
511 struct ieee80211_vif
*vif
= ctx
->vif
;
512 struct iwl_rxon_context
*tmp
;
513 struct ieee80211_sta
*sta
;
514 struct iwl_ht_config
*ht_conf
= &priv
->current_ht_config
;
515 struct ieee80211_sta_ht_cap
*ht_cap
;
518 lockdep_assert_held(&priv
->mutex
);
521 case NL80211_IFTYPE_STATION
:
523 sta
= ieee80211_find_sta(vif
, bss_conf
->bssid
);
526 * If at all, this can only happen through a race
527 * when the AP disconnects us while we're still
528 * setting up the connection, in that case mac80211
529 * will soon tell us about that.
531 need_multiple
= false;
536 ht_cap
= &sta
->ht_cap
;
538 need_multiple
= true;
541 * If the peer advertises no support for receiving 2 and 3
542 * stream MCS rates, it can't be transmitting them either.
544 if (ht_cap
->mcs
.rx_mask
[1] == 0 &&
545 ht_cap
->mcs
.rx_mask
[2] == 0) {
546 need_multiple
= false;
547 } else if (!(ht_cap
->mcs
.tx_params
&
548 IEEE80211_HT_MCS_TX_DEFINED
)) {
549 /* If it can't TX MCS at all ... */
550 need_multiple
= false;
551 } else if (ht_cap
->mcs
.tx_params
&
552 IEEE80211_HT_MCS_TX_RX_DIFF
) {
556 * But if it can receive them, it might still not
557 * be able to transmit them, which is what we need
558 * to check here -- so check the number of streams
559 * it advertises for TX (if different from RX).
562 maxstreams
= (ht_cap
->mcs
.tx_params
&
563 IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK
);
565 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT
;
569 need_multiple
= false;
574 case NL80211_IFTYPE_ADHOC
:
576 need_multiple
= false;
580 need_multiple
= true;
584 ctx
->ht_need_multiple_chains
= need_multiple
;
586 if (!need_multiple
) {
587 /* check all contexts */
588 for_each_context(priv
, tmp
) {
591 if (tmp
->ht_need_multiple_chains
) {
592 need_multiple
= true;
598 ht_conf
->single_chain_sufficient
= !need_multiple
;
601 void iwlagn_bss_info_changed(struct ieee80211_hw
*hw
,
602 struct ieee80211_vif
*vif
,
603 struct ieee80211_bss_conf
*bss_conf
,
606 struct iwl_priv
*priv
= hw
->priv
;
607 struct iwl_rxon_context
*ctx
= iwl_rxon_ctx_from_vif(vif
);
611 mutex_lock(&priv
->mutex
);
613 if (unlikely(!iwl_is_ready(priv
))) {
614 IWL_DEBUG_MAC80211(priv
, "leave - not ready\n");
615 mutex_unlock(&priv
->mutex
);
619 if (unlikely(!ctx
->vif
)) {
620 IWL_DEBUG_MAC80211(priv
, "leave - vif is NULL\n");
621 mutex_unlock(&priv
->mutex
);
625 if (changes
& BSS_CHANGED_BEACON_INT
)
628 if (changes
& BSS_CHANGED_QOS
) {
629 ctx
->qos_data
.qos_active
= bss_conf
->qos
;
630 iwlagn_update_qos(priv
, ctx
);
633 ctx
->staging
.assoc_id
= cpu_to_le16(vif
->bss_conf
.aid
);
634 if (vif
->bss_conf
.use_short_preamble
)
635 ctx
->staging
.flags
|= RXON_FLG_SHORT_PREAMBLE_MSK
;
637 ctx
->staging
.flags
&= ~RXON_FLG_SHORT_PREAMBLE_MSK
;
639 if (changes
& BSS_CHANGED_ASSOC
) {
640 if (bss_conf
->assoc
) {
641 priv
->timestamp
= bss_conf
->timestamp
;
642 ctx
->staging
.filter_flags
|= RXON_FILTER_ASSOC_MSK
;
645 * If we disassociate while there are pending
646 * frames, just wake up the queues and let the
647 * frames "escape" ... This shouldn't really
648 * be happening to start with, but we should
649 * not get stuck in this case either since it
650 * can happen if userspace gets confused.
652 if (ctx
->last_tx_rejected
) {
653 ctx
->last_tx_rejected
= false;
654 iwl_wake_any_queue(priv
, ctx
);
656 ctx
->staging
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
660 if (ctx
->ht
.enabled
) {
661 ctx
->ht
.protection
= bss_conf
->ht_operation_mode
&
662 IEEE80211_HT_OP_MODE_PROTECTION
;
663 ctx
->ht
.non_gf_sta_present
= !!(bss_conf
->ht_operation_mode
&
664 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
);
665 iwlagn_check_needed_chains(priv
, ctx
, bss_conf
);
666 iwl_set_rxon_ht(priv
, &priv
->current_ht_config
);
669 if (priv
->cfg
->ops
->hcmd
->set_rxon_chain
)
670 priv
->cfg
->ops
->hcmd
->set_rxon_chain(priv
, ctx
);
672 if (bss_conf
->use_cts_prot
&& (priv
->band
!= IEEE80211_BAND_5GHZ
))
673 ctx
->staging
.flags
|= RXON_FLG_TGG_PROTECT_MSK
;
675 ctx
->staging
.flags
&= ~RXON_FLG_TGG_PROTECT_MSK
;
677 if (bss_conf
->use_cts_prot
)
678 ctx
->staging
.flags
|= RXON_FLG_SELF_CTS_EN
;
680 ctx
->staging
.flags
&= ~RXON_FLG_SELF_CTS_EN
;
682 memcpy(ctx
->staging
.bssid_addr
, bss_conf
->bssid
, ETH_ALEN
);
684 if (vif
->type
== NL80211_IFTYPE_AP
||
685 vif
->type
== NL80211_IFTYPE_ADHOC
) {
686 if (vif
->bss_conf
.enable_beacon
) {
687 ctx
->staging
.filter_flags
|= RXON_FILTER_ASSOC_MSK
;
688 priv
->beacon_ctx
= ctx
;
690 ctx
->staging
.filter_flags
&= ~RXON_FILTER_ASSOC_MSK
;
691 priv
->beacon_ctx
= NULL
;
695 if (force
|| memcmp(&ctx
->staging
, &ctx
->active
, sizeof(ctx
->staging
)))
696 iwlagn_commit_rxon(priv
, ctx
);
698 if (changes
& BSS_CHANGED_ASSOC
&& bss_conf
->assoc
) {
700 * The chain noise calibration will enable PM upon
701 * completion. If calibration has already been run
702 * then we need to enable power management here.
704 if (priv
->chain_noise_data
.state
== IWL_CHAIN_NOISE_DONE
)
705 iwl_power_update_mode(priv
, false);
707 /* Enable RX differential gain and sensitivity calibrations */
708 iwl_chain_noise_reset(priv
);
709 priv
->start_calib
= 1;
712 if (changes
& BSS_CHANGED_IBSS
) {
713 ret
= iwlagn_manage_ibss_station(priv
, vif
,
714 bss_conf
->ibss_joined
);
716 IWL_ERR(priv
, "failed to %s IBSS station %pM\n",
717 bss_conf
->ibss_joined
? "add" : "remove",
721 if (changes
& BSS_CHANGED_BEACON
&& vif
->type
== NL80211_IFTYPE_ADHOC
&&
723 if (iwlagn_update_beacon(priv
, vif
))
724 IWL_ERR(priv
, "Error sending IBSS beacon\n");
727 mutex_unlock(&priv
->mutex
);
730 void iwlagn_post_scan(struct iwl_priv
*priv
)
732 struct iwl_rxon_context
*ctx
;
735 * Since setting the RXON may have been deferred while
736 * performing the scan, fire one off if needed
738 for_each_context(priv
, ctx
)
739 if (memcmp(&ctx
->staging
, &ctx
->active
, sizeof(ctx
->staging
)))
740 iwlagn_commit_rxon(priv
, ctx
);
742 if (priv
->cfg
->ops
->hcmd
->set_pan_params
)
743 priv
->cfg
->ops
->hcmd
->set_pan_params(priv
);