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 int iwlagn_disconn_pan(struct iwl_priv *priv,
85 struct iwl_rxon_context *ctx,
86 struct iwl_rxon_cmd *send)
88 __le32 old_filter = send->filter_flags;
91 send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
92 ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, sizeof(*send), send);
94 send->filter_flags = old_filter;
99 static void iwlagn_update_qos(struct iwl_priv *priv,
100 struct iwl_rxon_context *ctx)
107 ctx->qos_data.def_qos_parm.qos_flags = 0;
109 if (ctx->qos_data.qos_active)
110 ctx->qos_data.def_qos_parm.qos_flags |=
111 QOS_PARAM_FLG_UPDATE_EDCA_MSK;
114 ctx->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK;
116 IWL_DEBUG_QOS(priv, "send QoS cmd with Qos active=%d FLAGS=0x%X\n",
117 ctx->qos_data.qos_active,
118 ctx->qos_data.def_qos_parm.qos_flags);
120 ret = iwl_send_cmd_pdu(priv, ctx->qos_cmd,
121 sizeof(struct iwl_qosparam_cmd),
122 &ctx->qos_data.def_qos_parm);
124 IWL_ERR(priv, "Failed to update QoS\n");
127 static int iwlagn_update_beacon(struct iwl_priv *priv,
128 struct ieee80211_vif *vif)
130 lockdep_assert_held(&priv->mutex);
132 dev_kfree_skb(priv->beacon_skb);
133 priv->beacon_skb = ieee80211_beacon_get(priv->hw, vif);
134 if (!priv->beacon_skb)
136 return iwlagn_send_beacon_cmd(priv);
139 static int iwlagn_send_rxon_assoc(struct iwl_priv *priv,
140 struct iwl_rxon_context *ctx)
143 struct iwl_rxon_assoc_cmd rxon_assoc;
144 const struct iwl_rxon_cmd *rxon1 = &ctx->staging;
145 const struct iwl_rxon_cmd *rxon2 = &ctx->active;
147 if ((rxon1->flags == rxon2->flags) &&
148 (rxon1->filter_flags == rxon2->filter_flags) &&
149 (rxon1->cck_basic_rates == rxon2->cck_basic_rates) &&
150 (rxon1->ofdm_ht_single_stream_basic_rates ==
151 rxon2->ofdm_ht_single_stream_basic_rates) &&
152 (rxon1->ofdm_ht_dual_stream_basic_rates ==
153 rxon2->ofdm_ht_dual_stream_basic_rates) &&
154 (rxon1->ofdm_ht_triple_stream_basic_rates ==
155 rxon2->ofdm_ht_triple_stream_basic_rates) &&
156 (rxon1->acquisition_data == rxon2->acquisition_data) &&
157 (rxon1->rx_chain == rxon2->rx_chain) &&
158 (rxon1->ofdm_basic_rates == rxon2->ofdm_basic_rates)) {
159 IWL_DEBUG_INFO(priv, "Using current RXON_ASSOC. Not resending.\n");
163 rxon_assoc.flags = ctx->staging.flags;
164 rxon_assoc.filter_flags = ctx->staging.filter_flags;
165 rxon_assoc.ofdm_basic_rates = ctx->staging.ofdm_basic_rates;
166 rxon_assoc.cck_basic_rates = ctx->staging.cck_basic_rates;
167 rxon_assoc.reserved1 = 0;
168 rxon_assoc.reserved2 = 0;
169 rxon_assoc.reserved3 = 0;
170 rxon_assoc.ofdm_ht_single_stream_basic_rates =
171 ctx->staging.ofdm_ht_single_stream_basic_rates;
172 rxon_assoc.ofdm_ht_dual_stream_basic_rates =
173 ctx->staging.ofdm_ht_dual_stream_basic_rates;
174 rxon_assoc.rx_chain_select_flags = ctx->staging.rx_chain;
175 rxon_assoc.ofdm_ht_triple_stream_basic_rates =
176 ctx->staging.ofdm_ht_triple_stream_basic_rates;
177 rxon_assoc.acquisition_data = ctx->staging.acquisition_data;
179 ret = iwl_send_cmd_pdu_async(priv, ctx->rxon_assoc_cmd,
180 sizeof(rxon_assoc), &rxon_assoc, NULL);
184 static int iwlagn_rxon_disconn(struct iwl_priv *priv,
185 struct iwl_rxon_context *ctx)
188 struct iwl_rxon_cmd *active = (void *)&ctx->active;
190 if (ctx->ctxid == IWL_RXON_CTX_BSS) {
191 ret = iwlagn_disable_bss(priv, ctx, &ctx->staging);
193 ret = iwlagn_disable_pan(priv, ctx, &ctx->staging);
197 ret = iwl_send_rxon_timing(priv, ctx);
199 IWL_ERR(priv, "Failed to send timing (%d)!\n", ret);
202 ret = iwlagn_disconn_pan(priv, ctx, &ctx->staging);
209 * Un-assoc RXON clears the station table and WEP
210 * keys, so we have to restore those afterwards.
212 iwl_clear_ucode_stations(priv, ctx);
213 /* update -- might need P2P now */
214 iwl_update_bcast_station(priv, ctx);
215 iwl_restore_stations(priv, ctx);
216 ret = iwl_restore_default_wep_keys(priv, ctx);
218 IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret);
222 memcpy(active, &ctx->staging, sizeof(*active));
226 static int iwlagn_rxon_connect(struct iwl_priv *priv,
227 struct iwl_rxon_context *ctx)
230 struct iwl_rxon_cmd *active = (void *)&ctx->active;
232 /* RXON timing must be before associated RXON */
233 if (ctx->ctxid == IWL_RXON_CTX_BSS) {
234 ret = iwl_send_rxon_timing(priv, ctx);
236 IWL_ERR(priv, "Failed to send timing (%d)!\n", ret);
240 /* QoS info may be cleared by previous un-assoc RXON */
241 iwlagn_update_qos(priv, ctx);
244 * We'll run into this code path when beaconing is
245 * enabled, but then we also need to send the beacon
248 if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_AP)) {
249 ret = iwlagn_update_beacon(priv, ctx->vif);
252 "Error sending required beacon (%d)!\n",
258 priv->start_calib = 0;
260 * Apply the new configuration.
262 * Associated RXON doesn't clear the station table in uCode,
263 * so we don't need to restore stations etc. after this.
265 ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd,
266 sizeof(struct iwl_rxon_cmd), &ctx->staging);
268 IWL_ERR(priv, "Error setting new RXON (%d)\n", ret);
271 memcpy(active, &ctx->staging, sizeof(*active));
273 iwl_reprogram_ap_sta(priv, ctx);
275 /* IBSS beacon needs to be sent after setting assoc */
276 if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_ADHOC))
277 if (iwlagn_update_beacon(priv, ctx->vif))
278 IWL_ERR(priv, "Error sending IBSS beacon\n");
279 iwl_init_sensitivity(priv);
282 * If we issue a new RXON command which required a tune then
283 * we must send a new TXPOWER command or we won't be able to
286 * It's expected we set power here if channel is changing.
288 ret = iwl_set_tx_power(priv, priv->tx_power_next, true);
290 IWL_ERR(priv, "Error sending TX power (%d)\n", ret);
294 if ((ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION) &&
295 priv->cfg->ht_params->smps_mode)
296 ieee80211_request_smps(ctx->vif,
297 priv->cfg->ht_params->smps_mode);
303 * iwlagn_commit_rxon - commit staging_rxon to hardware
305 * The RXON command in staging_rxon is committed to the hardware and
306 * the active_rxon structure is updated with the new data. This
307 * function correctly transitions out of the RXON_ASSOC_MSK state if
308 * a HW tune is required based on the RXON structure changes.
310 * The connect/disconnect flow should be as the following:
312 * 1. make sure send RXON command with association bit unset if not connect
313 * this should include the channel and the band for the candidate
315 * 2. Add Station before RXON association with the AP
316 * 3. RXON_timing has to send before RXON for connection
317 * 4. full RXON command - associated bit set
318 * 5. use RXON_ASSOC command to update any flags changes
320 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
322 /* cast away the const for active_rxon in this function */
323 struct iwl_rxon_cmd *active = (void *)&ctx->active;
324 bool new_assoc = !!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK);
327 lockdep_assert_held(&priv->mutex);
329 if (test_bit(STATUS_EXIT_PENDING, &priv->status))
332 if (!iwl_is_alive(priv))
335 /* This function hardcodes a bunch of dual-mode assumptions */
336 BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
341 /* always get timestamp with Rx frame */
342 ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK;
344 if (ctx->ctxid == IWL_RXON_CTX_PAN && priv->_agn.hw_roc_channel) {
345 struct ieee80211_channel *chan = priv->_agn.hw_roc_channel;
347 iwl_set_rxon_channel(priv, chan, ctx);
348 iwl_set_flags_for_band(priv, ctx, chan->band, NULL);
349 ctx->staging.filter_flags |=
350 RXON_FILTER_ASSOC_MSK |
351 RXON_FILTER_PROMISC_MSK |
352 RXON_FILTER_CTL2HOST_MSK;
353 ctx->staging.dev_type = RXON_DEV_TYPE_P2P;
356 if (memcmp(&ctx->staging, &ctx->active,
357 sizeof(ctx->staging)) == 0)
362 * force CTS-to-self frames protection if RTS-CTS is not preferred
363 * one aggregation protection method
365 if (!(priv->cfg->ht_params &&
366 priv->cfg->ht_params->use_rts_for_aggregation))
367 ctx->staging.flags |= RXON_FLG_SELF_CTS_EN;
369 if ((ctx->vif && ctx->vif->bss_conf.use_short_slot) ||
370 !(ctx->staging.flags & RXON_FLG_BAND_24G_MSK))
371 ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
373 ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
375 iwl_print_rx_config_cmd(priv, ctx);
376 ret = iwl_check_rxon_cmd(priv, ctx);
378 IWL_ERR(priv, "Invalid RXON configuration. Not committing.\n");
383 * receive commit_rxon request
384 * abort any previous channel switch if still in process
386 if (test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status) &&
387 (priv->switch_channel != ctx->staging.channel)) {
388 IWL_DEBUG_11H(priv, "abort channel switch on %d\n",
389 le16_to_cpu(priv->switch_channel));
390 iwl_chswitch_done(priv, false);
394 * If we don't need to send a full RXON, we can use
395 * iwl_rxon_assoc_cmd which is used to reconfigure filter
396 * and other flags for the current radio configuration.
398 if (!iwl_full_rxon_required(priv, ctx)) {
399 ret = iwlagn_send_rxon_assoc(priv, ctx);
401 IWL_ERR(priv, "Error setting RXON_ASSOC (%d)\n", ret);
405 memcpy(active, &ctx->staging, sizeof(*active));
407 * We do not commit tx power settings while channel changing,
408 * do it now if after settings changed.
410 iwl_set_tx_power(priv, priv->tx_power_next, false);
412 /* make sure we are in the right PS state */
413 iwl_power_update_mode(priv, true);
418 iwl_set_rxon_hwcrypto(priv, ctx, !iwlagn_mod_params.sw_crypto);
421 "Going to commit RXON\n"
422 " * with%s RXON_FILTER_ASSOC_MSK\n"
425 (new_assoc ? "" : "out"),
426 le16_to_cpu(ctx->staging.channel),
427 ctx->staging.bssid_addr);
430 * Always clear associated first, but with the correct config.
431 * This is required as for example station addition for the
432 * AP station must be done after the BSSID is set to correctly
433 * set up filters in the device.
435 ret = iwlagn_rxon_disconn(priv, ctx);
439 if (priv->cfg->ops->hcmd->set_pan_params) {
440 ret = priv->cfg->ops->hcmd->set_pan_params(priv);
446 return iwlagn_rxon_connect(priv, ctx);
451 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
453 struct iwl_priv *priv = hw->priv;
454 struct iwl_rxon_context *ctx;
455 struct ieee80211_conf *conf = &hw->conf;
456 struct ieee80211_channel *channel = conf->channel;
457 const struct iwl_channel_info *ch_info;
460 IWL_DEBUG_MAC80211(priv, "changed %#x", changed);
462 mutex_lock(&priv->mutex);
464 if (unlikely(test_bit(STATUS_SCANNING, &priv->status))) {
465 IWL_DEBUG_MAC80211(priv, "leave - scanning\n");
469 if (!iwl_is_ready(priv)) {
470 IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
474 if (changed & (IEEE80211_CONF_CHANGE_SMPS |
475 IEEE80211_CONF_CHANGE_CHANNEL)) {
476 /* mac80211 uses static for non-HT which is what we want */
477 priv->current_ht_config.smps = conf->smps_mode;
480 * Recalculate chain counts.
482 * If monitor mode is enabled then mac80211 will
483 * set up the SM PS mode to OFF if an HT channel is
486 if (priv->cfg->ops->hcmd->set_rxon_chain)
487 for_each_context(priv, ctx)
488 priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
491 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
494 ch_info = iwl_get_channel_info(priv, channel->band,
496 if (!is_channel_valid(ch_info)) {
497 IWL_DEBUG_MAC80211(priv, "leave - invalid channel\n");
502 spin_lock_irqsave(&priv->lock, flags);
504 for_each_context(priv, ctx) {
505 /* Configure HT40 channels */
506 if (ctx->ht.enabled != conf_is_ht(conf))
507 ctx->ht.enabled = conf_is_ht(conf);
509 if (ctx->ht.enabled) {
510 if (conf_is_ht40_minus(conf)) {
511 ctx->ht.extension_chan_offset =
512 IEEE80211_HT_PARAM_CHA_SEC_BELOW;
513 ctx->ht.is_40mhz = true;
514 } else if (conf_is_ht40_plus(conf)) {
515 ctx->ht.extension_chan_offset =
516 IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
517 ctx->ht.is_40mhz = true;
519 ctx->ht.extension_chan_offset =
520 IEEE80211_HT_PARAM_CHA_SEC_NONE;
521 ctx->ht.is_40mhz = false;
524 ctx->ht.is_40mhz = false;
527 * Default to no protection. Protection mode will
528 * later be set from BSS config in iwl_ht_conf
530 ctx->ht.protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
532 /* if we are switching from ht to 2.4 clear flags
533 * from any ht related info since 2.4 does not
535 if (le16_to_cpu(ctx->staging.channel) !=
537 ctx->staging.flags = 0;
539 iwl_set_rxon_channel(priv, channel, ctx);
540 iwl_set_rxon_ht(priv, &priv->current_ht_config);
542 iwl_set_flags_for_band(priv, ctx, channel->band,
546 spin_unlock_irqrestore(&priv->lock, flags);
548 iwl_update_bcast_stations(priv);
551 * The list of supported rates and rate mask can be different
552 * for each band; since the band may have changed, reset
553 * the rate mask to what mac80211 lists.
558 if (changed & (IEEE80211_CONF_CHANGE_PS |
559 IEEE80211_CONF_CHANGE_IDLE)) {
560 ret = iwl_power_update_mode(priv, false);
562 IWL_DEBUG_MAC80211(priv, "Error setting sleep level\n");
565 if (changed & IEEE80211_CONF_CHANGE_POWER) {
566 IWL_DEBUG_MAC80211(priv, "TX Power old=%d new=%d\n",
567 priv->tx_power_user_lmt, conf->power_level);
569 iwl_set_tx_power(priv, conf->power_level, false);
572 for_each_context(priv, ctx) {
573 if (!memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging)))
575 iwlagn_commit_rxon(priv, ctx);
578 mutex_unlock(&priv->mutex);
582 static void iwlagn_check_needed_chains(struct iwl_priv *priv,
583 struct iwl_rxon_context *ctx,
584 struct ieee80211_bss_conf *bss_conf)
586 struct ieee80211_vif *vif = ctx->vif;
587 struct iwl_rxon_context *tmp;
588 struct ieee80211_sta *sta;
589 struct iwl_ht_config *ht_conf = &priv->current_ht_config;
590 struct ieee80211_sta_ht_cap *ht_cap;
593 lockdep_assert_held(&priv->mutex);
596 case NL80211_IFTYPE_STATION:
598 sta = ieee80211_find_sta(vif, bss_conf->bssid);
601 * If at all, this can only happen through a race
602 * when the AP disconnects us while we're still
603 * setting up the connection, in that case mac80211
604 * will soon tell us about that.
606 need_multiple = false;
611 ht_cap = &sta->ht_cap;
613 need_multiple = true;
616 * If the peer advertises no support for receiving 2 and 3
617 * stream MCS rates, it can't be transmitting them either.
619 if (ht_cap->mcs.rx_mask[1] == 0 &&
620 ht_cap->mcs.rx_mask[2] == 0) {
621 need_multiple = false;
622 } else if (!(ht_cap->mcs.tx_params &
623 IEEE80211_HT_MCS_TX_DEFINED)) {
624 /* If it can't TX MCS at all ... */
625 need_multiple = false;
626 } else if (ht_cap->mcs.tx_params &
627 IEEE80211_HT_MCS_TX_RX_DIFF) {
631 * But if it can receive them, it might still not
632 * be able to transmit them, which is what we need
633 * to check here -- so check the number of streams
634 * it advertises for TX (if different from RX).
637 maxstreams = (ht_cap->mcs.tx_params &
638 IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK);
640 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT;
644 need_multiple = false;
649 case NL80211_IFTYPE_ADHOC:
651 need_multiple = false;
655 need_multiple = true;
659 ctx->ht_need_multiple_chains = need_multiple;
661 if (!need_multiple) {
662 /* check all contexts */
663 for_each_context(priv, tmp) {
666 if (tmp->ht_need_multiple_chains) {
667 need_multiple = true;
673 ht_conf->single_chain_sufficient = !need_multiple;
676 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
677 struct ieee80211_vif *vif,
678 struct ieee80211_bss_conf *bss_conf,
681 struct iwl_priv *priv = hw->priv;
682 struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
686 mutex_lock(&priv->mutex);
688 if (unlikely(!iwl_is_ready(priv))) {
689 IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
690 mutex_unlock(&priv->mutex);
694 if (unlikely(!ctx->vif)) {
695 IWL_DEBUG_MAC80211(priv, "leave - vif is NULL\n");
696 mutex_unlock(&priv->mutex);
700 if (changes & BSS_CHANGED_BEACON_INT)
703 if (changes & BSS_CHANGED_QOS) {
704 ctx->qos_data.qos_active = bss_conf->qos;
705 iwlagn_update_qos(priv, ctx);
708 ctx->staging.assoc_id = cpu_to_le16(vif->bss_conf.aid);
709 if (vif->bss_conf.use_short_preamble)
710 ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
712 ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
714 if (changes & BSS_CHANGED_ASSOC) {
715 if (bss_conf->assoc) {
716 priv->timestamp = bss_conf->timestamp;
717 ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
720 * If we disassociate while there are pending
721 * frames, just wake up the queues and let the
722 * frames "escape" ... This shouldn't really
723 * be happening to start with, but we should
724 * not get stuck in this case either since it
725 * can happen if userspace gets confused.
727 if (ctx->last_tx_rejected) {
728 ctx->last_tx_rejected = false;
729 iwl_wake_any_queue(priv, ctx);
731 ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
735 if (ctx->ht.enabled) {
736 ctx->ht.protection = bss_conf->ht_operation_mode &
737 IEEE80211_HT_OP_MODE_PROTECTION;
738 ctx->ht.non_gf_sta_present = !!(bss_conf->ht_operation_mode &
739 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
740 iwlagn_check_needed_chains(priv, ctx, bss_conf);
741 iwl_set_rxon_ht(priv, &priv->current_ht_config);
744 if (priv->cfg->ops->hcmd->set_rxon_chain)
745 priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
747 if (bss_conf->use_cts_prot && (priv->band != IEEE80211_BAND_5GHZ))
748 ctx->staging.flags |= RXON_FLG_TGG_PROTECT_MSK;
750 ctx->staging.flags &= ~RXON_FLG_TGG_PROTECT_MSK;
752 if (bss_conf->use_cts_prot)
753 ctx->staging.flags |= RXON_FLG_SELF_CTS_EN;
755 ctx->staging.flags &= ~RXON_FLG_SELF_CTS_EN;
757 memcpy(ctx->staging.bssid_addr, bss_conf->bssid, ETH_ALEN);
759 if (vif->type == NL80211_IFTYPE_AP ||
760 vif->type == NL80211_IFTYPE_ADHOC) {
761 if (vif->bss_conf.enable_beacon) {
762 ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
763 priv->beacon_ctx = ctx;
765 ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
766 priv->beacon_ctx = NULL;
770 if (force || memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging)))
771 iwlagn_commit_rxon(priv, ctx);
773 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) {
775 * The chain noise calibration will enable PM upon
776 * completion. If calibration has already been run
777 * then we need to enable power management here.
779 if (priv->chain_noise_data.state == IWL_CHAIN_NOISE_DONE)
780 iwl_power_update_mode(priv, false);
782 /* Enable RX differential gain and sensitivity calibrations */
783 iwl_chain_noise_reset(priv);
784 priv->start_calib = 1;
787 if (changes & BSS_CHANGED_IBSS) {
788 ret = iwlagn_manage_ibss_station(priv, vif,
789 bss_conf->ibss_joined);
791 IWL_ERR(priv, "failed to %s IBSS station %pM\n",
792 bss_conf->ibss_joined ? "add" : "remove",
796 if (changes & BSS_CHANGED_BEACON && vif->type == NL80211_IFTYPE_ADHOC &&
798 if (iwlagn_update_beacon(priv, vif))
799 IWL_ERR(priv, "Error sending IBSS beacon\n");
802 mutex_unlock(&priv->mutex);
805 void iwlagn_post_scan(struct iwl_priv *priv)
807 struct iwl_rxon_context *ctx;
810 * We do not commit power settings while scan is pending,
811 * do it now if the settings changed.
813 iwl_power_set_mode(priv, &priv->power_data.sleep_cmd_next, false);
814 iwl_set_tx_power(priv, priv->tx_power_next, false);
817 * Since setting the RXON may have been deferred while
818 * performing the scan, fire one off if needed
820 for_each_context(priv, ctx)
821 if (memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging)))
822 iwlagn_commit_rxon(priv, ctx);
824 if (priv->cfg->ops->hcmd->set_pan_params)
825 priv->cfg->ops->hcmd->set_pan_params(priv);