diff options
Diffstat (limited to 'net/mac80211/mlme.c')
| -rw-r--r-- | net/mac80211/mlme.c | 69 |
1 files changed, 59 insertions, 10 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 6e90301154d5..89dff563b1ec 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -6,7 +6,7 @@ * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> * Copyright 2007, Michael Wu <flamingice@sourmilk.net> * Copyright 2013-2014 Intel Mobile Communications GmbH - * Copyright (C) 2015 - 2016 Intel Deutschland GmbH + * Copyright (C) 2015 - 2017 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 @@ -1855,11 +1855,16 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata, u16 capab, bool erp_valid, u8 erp) { struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; + struct ieee80211_supported_band *sband; u32 changed = 0; bool use_protection; bool use_short_preamble; bool use_short_slot; + sband = ieee80211_get_sband(sdata); + if (!sband) + return changed; + if (erp_valid) { use_protection = (erp & WLAN_ERP_USE_PROTECTION) != 0; use_short_preamble = (erp & WLAN_ERP_BARKER_PREAMBLE) == 0; @@ -1869,7 +1874,7 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata, } use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME); - if (ieee80211_get_sdata_band(sdata) == NL80211_BAND_5GHZ) + if (sband->band == NL80211_BAND_5GHZ) use_short_slot = true; if (use_protection != bss_conf->use_cts_prot) { @@ -1908,6 +1913,8 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, sdata->u.mgd.associated = cbss; memcpy(sdata->u.mgd.bssid, cbss->bssid, ETH_ALEN); + ieee80211_check_rate_mask(sdata); + sdata->u.mgd.flags |= IEEE80211_STA_RESET_SIGNAL_AVE; if (sdata->vif.p2p || @@ -2797,8 +2804,9 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata, reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); - sdata_info(sdata, "disassociated from %pM (Reason: %u)\n", - mgmt->sa, reason_code); + sdata_info(sdata, "disassociated from %pM (Reason: %u=%s)\n", + mgmt->sa, reason_code, + ieee80211_get_reason_code_string(reason_code)); ieee80211_set_disassoc(sdata, 0, 0, false, NULL); @@ -2822,15 +2830,15 @@ static void ieee80211_get_rates(struct ieee80211_supported_band *sband, *have_higher_than_11mbit = true; /* - * BSS_MEMBERSHIP_SELECTOR_HT_PHY is defined in 802.11n-2009 - * 7.3.2.2 as a magic value instead of a rate. Hence, skip it. + * Skip HT and VHT BSS membership selectors since they're not + * rates. * - * Note: Even through the membership selector and the basic + * Note: Even though the membership selector and the basic * rate flag share the same bit, they are not exactly * the same. */ - if (!!(supp_rates[i] & 0x80) && - (supp_rates[i] & 0x7f) == BSS_MEMBERSHIP_SELECTOR_HT_PHY) + if (supp_rates[i] == (0x80 | BSS_MEMBERSHIP_SELECTOR_HT_PHY) || + supp_rates[i] == (0x80 | BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) continue; for (j = 0; j < sband->n_bitrates; j++) { @@ -3001,7 +3009,12 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, goto out; } - sband = local->hw.wiphy->bands[ieee80211_get_sdata_band(sdata)]; + sband = ieee80211_get_sband(sdata); + if (!sband) { + mutex_unlock(&sdata->local->sta_mtx); + ret = false; + goto out; + } /* Set up internal HT/VHT capabilities */ if (elems.ht_cap_elem && !(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) @@ -3085,6 +3098,18 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, } changed |= BSS_CHANGED_QOS; + if (elems.max_idle_period_ie) { + bss_conf->max_idle_period = + le16_to_cpu(elems.max_idle_period_ie->max_idle_period); + bss_conf->protected_keep_alive = + !!(elems.max_idle_period_ie->idle_options & + WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE); + changed |= BSS_CHANGED_KEEP_ALIVE; + } else { + bss_conf->max_idle_period = 0; + bss_conf->protected_keep_alive = false; + } + /* set AID and assoc capability, * ieee80211_set_associated() will tell the driver */ bss_conf->aid = aid; @@ -3430,6 +3455,30 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, } } + if (bss_conf->cqm_rssi_low && + ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT) { + int sig = -ewma_beacon_signal_read(&ifmgd->ave_beacon_signal); + int last_event = ifmgd->last_cqm_event_signal; + int low = bss_conf->cqm_rssi_low; + int high = bss_conf->cqm_rssi_high; + + if (sig < low && + (last_event == 0 || last_event >= low)) { + ifmgd->last_cqm_event_signal = sig; + ieee80211_cqm_rssi_notify( + &sdata->vif, + NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW, + sig, GFP_KERNEL); + } else if (sig > high && + (last_event == 0 || last_event <= high)) { + ifmgd->last_cqm_event_signal = sig; + ieee80211_cqm_rssi_notify( + &sdata->vif, + NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH, + sig, GFP_KERNEL); + } + } + if (ifmgd->flags & IEEE80211_STA_CONNECTION_POLL) { mlme_dbg_ratelimited(sdata, "cancelling AP probe due to a received beacon\n"); |