diff options
Diffstat (limited to 'net/mac80211/util.c')
| -rw-r--r-- | net/mac80211/util.c | 94 |
1 files changed, 56 insertions, 38 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 8274c86296f9..74058020b7d6 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -4,6 +4,7 @@ * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH + * Copyright (C) 2015 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -1104,13 +1105,13 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, } void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, - bool bss_notify) + bool bss_notify, bool enable_qos) { struct ieee80211_local *local = sdata->local; struct ieee80211_tx_queue_params qparam; struct ieee80211_chanctx_conf *chanctx_conf; int ac; - bool use_11b, enable_qos; + bool use_11b; bool is_ocb; /* Use another EDCA parameters if dot11OCBActivated=true */ int aCWmin, aCWmax; @@ -1129,13 +1130,6 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, !(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE); rcu_read_unlock(); - /* - * By default disable QoS in STA mode for old access points, which do - * not support 802.11e. New APs will provide proper queue parameters, - * that we will configure later. - */ - enable_qos = (sdata->vif.type != NL80211_IFTYPE_STATION); - is_ocb = (sdata->vif.type == NL80211_IFTYPE_OCB); /* Set defaults according to 802.11-2007 Table 7-37 */ @@ -1664,7 +1658,6 @@ static void ieee80211_handle_reconfig_failure(struct ieee80211_local *local) local->resuming = false; local->suspended = false; - local->started = false; local->in_reconfig = false; /* scheduled scan clearly can't be running any more, but tell @@ -1754,6 +1747,18 @@ int ieee80211_reconfig(struct ieee80211_local *local) #endif /* + * In case of hw_restart during suspend (without wowlan), + * cancel restart work, as we are reconfiguring the device + * anyway. + * Note that restart_work is scheduled on a frozen workqueue, + * so we can't deadlock in this case. + */ + if (suspended && local->in_reconfig && !reconfig_due_to_wowlan) + cancel_work_sync(&local->restart_work); + + local->started = false; + + /* * Upon resume hardware can sometimes be goofy due to * various platform / driver / bus issues, so restarting * the device may at times not work immediately. Propagate @@ -1996,6 +2001,29 @@ int ieee80211_reconfig(struct ieee80211_local *local) if (ieee80211_sdata_running(sdata)) ieee80211_enable_keys(sdata); + /* Reconfigure sched scan if it was interrupted by FW restart */ + mutex_lock(&local->mtx); + sched_scan_sdata = rcu_dereference_protected(local->sched_scan_sdata, + lockdep_is_held(&local->mtx)); + sched_scan_req = rcu_dereference_protected(local->sched_scan_req, + lockdep_is_held(&local->mtx)); + if (sched_scan_sdata && sched_scan_req) + /* + * Sched scan stopped, but we don't want to report it. Instead, + * we're trying to reschedule. However, if more than one scan + * plan was set, we cannot reschedule since we don't know which + * scan plan was currently running (and some scan plans may have + * already finished). + */ + if (sched_scan_req->n_scan_plans > 1 || + __ieee80211_request_sched_scan_start(sched_scan_sdata, + sched_scan_req)) + sched_scan_stopped = true; + mutex_unlock(&local->mtx); + + if (sched_scan_stopped) + cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy); + wake_up: local->in_reconfig = false; barrier(); @@ -2031,32 +2059,6 @@ int ieee80211_reconfig(struct ieee80211_local *local) false); /* - * Reconfigure sched scan if it was interrupted by FW restart or - * suspend. - */ - mutex_lock(&local->mtx); - sched_scan_sdata = rcu_dereference_protected(local->sched_scan_sdata, - lockdep_is_held(&local->mtx)); - sched_scan_req = rcu_dereference_protected(local->sched_scan_req, - lockdep_is_held(&local->mtx)); - if (sched_scan_sdata && sched_scan_req) - /* - * Sched scan stopped, but we don't want to report it. Instead, - * we're trying to reschedule. However, if more than one scan - * plan was set, we cannot reschedule since we don't know which - * scan plan was currently running (and some scan plans may have - * already finished). - */ - if (sched_scan_req->n_scan_plans > 1 || - __ieee80211_request_sched_scan_start(sched_scan_sdata, - sched_scan_req)) - sched_scan_stopped = true; - mutex_unlock(&local->mtx); - - if (sched_scan_stopped) - cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy); - - /* * If this is for hw restart things are still running. * We may want to change that later, however. */ @@ -2140,7 +2142,13 @@ void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata) chanctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf, lockdep_is_held(&local->chanctx_mtx)); - if (WARN_ON_ONCE(!chanctx_conf)) + /* + * This function can be called from a work, thus it may be possible + * that the chanctx_conf is removed (due to a disconnection, for + * example). + * So nothing should be done in such case. + */ + if (!chanctx_conf) goto unlock; chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf); @@ -2277,7 +2285,7 @@ u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, const struct cfg80211_chan_def *chandef, - u16 prot_mode) + u16 prot_mode, bool rifs_mode) { struct ieee80211_ht_operation *ht_oper; /* Build HT Information */ @@ -2305,6 +2313,9 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, chandef->width != NL80211_CHAN_WIDTH_20) ht_oper->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; + if (rifs_mode) + ht_oper->ht_param |= IEEE80211_HT_PARAM_RIFS_MODE; + ht_oper->operation_mode = cpu_to_le16(prot_mode); ht_oper->stbc_param = 0x0000; @@ -2958,6 +2969,13 @@ ieee80211_extend_noa_desc(struct ieee80211_noa_data *data, u32 tsf, int i) if (end > 0) return false; + /* One shot NOA */ + if (data->count[i] == 1) + return false; + + if (data->desc[i].interval == 0) + return false; + /* End time is in the past, check for repetitions */ skip = DIV_ROUND_UP(-end, data->desc[i].interval); if (data->count[i] < 255) { |