From d635711daa98be86d4c7fd01499c34f566b54ccb Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 10 Jun 2016 05:30:17 -0300 Subject: Linux-libre 4.6.2-gnu --- net/mac80211/mlme.c | 79 ++++++++++++++++++++--------------------------------- 1 file changed, 30 insertions(+), 49 deletions(-) (limited to 'net/mac80211/mlme.c') diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index bfbb1acaf..281b8d6e5 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -6,7 +6,7 @@ * Copyright 2006-2007 Jiri Benc * Copyright 2007, Michael Wu * Copyright 2013-2014 Intel Mobile Communications GmbH - * Copyright (C) 2015 Intel Deutschland GmbH + * Copyright (C) 2015 - 2016 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 @@ -196,16 +196,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, /* check 40 MHz support, if we have it */ if (sta_ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { - switch (ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { - case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: - chandef->width = NL80211_CHAN_WIDTH_40; - chandef->center_freq1 += 10; - break; - case IEEE80211_HT_PARAM_CHA_SEC_BELOW: - chandef->width = NL80211_CHAN_WIDTH_40; - chandef->center_freq1 -= 10; - break; - } + ieee80211_chandef_ht_oper(ht_oper, chandef); } else { /* 40 MHz (and 80 MHz) must be supported for VHT */ ret = IEEE80211_STA_DISABLE_VHT; @@ -219,35 +210,11 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, goto out; } - vht_chandef.chan = channel; - vht_chandef.center_freq1 = - ieee80211_channel_to_frequency(vht_oper->center_freq_seg1_idx, - channel->band); - vht_chandef.center_freq2 = 0; - - switch (vht_oper->chan_width) { - case IEEE80211_VHT_CHANWIDTH_USE_HT: - vht_chandef.width = chandef->width; - vht_chandef.center_freq1 = chandef->center_freq1; - break; - case IEEE80211_VHT_CHANWIDTH_80MHZ: - vht_chandef.width = NL80211_CHAN_WIDTH_80; - break; - case IEEE80211_VHT_CHANWIDTH_160MHZ: - vht_chandef.width = NL80211_CHAN_WIDTH_160; - break; - case IEEE80211_VHT_CHANWIDTH_80P80MHZ: - vht_chandef.width = NL80211_CHAN_WIDTH_80P80; - vht_chandef.center_freq2 = - ieee80211_channel_to_frequency( - vht_oper->center_freq_seg2_idx, - channel->band); - break; - default: + vht_chandef = *chandef; + if (!ieee80211_chandef_vht_oper(vht_oper, &vht_chandef)) { if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) sdata_info(sdata, - "AP VHT operation IE has invalid channel width (%d), disable VHT\n", - vht_oper->chan_width); + "AP VHT information is invalid, disable VHT\n"); ret = IEEE80211_STA_DISABLE_VHT; goto out; } @@ -592,7 +559,7 @@ static void ieee80211_add_vht_ie(struct ieee80211_sub_if_data *sdata, struct ieee80211_sub_if_data *other; list_for_each_entry_rcu(other, &local->interfaces, list) { - if (other->flags & IEEE80211_SDATA_MU_MIMO_OWNER) { + if (other->vif.mu_mimo_owner) { disable_mu_mimo = true; break; } @@ -600,7 +567,7 @@ static void ieee80211_add_vht_ie(struct ieee80211_sub_if_data *sdata, if (disable_mu_mimo) cap &= ~IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE; else - sdata->flags |= IEEE80211_SDATA_MU_MIMO_OWNER; + sdata->vif.mu_mimo_owner = true; } mask = IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK; @@ -1638,8 +1605,7 @@ void ieee80211_dynamic_ps_timer(unsigned long data) void ieee80211_dfs_cac_timer_work(struct work_struct *work) { - struct delayed_work *delayed_work = - container_of(work, struct delayed_work, work); + struct delayed_work *delayed_work = to_delayed_work(work); struct ieee80211_sub_if_data *sdata = container_of(delayed_work, struct ieee80211_sub_if_data, dfs_cac_timer_work); @@ -2079,7 +2045,14 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, memset(&ifmgd->ht_capa_mask, 0, sizeof(ifmgd->ht_capa_mask)); memset(&ifmgd->vht_capa, 0, sizeof(ifmgd->vht_capa)); memset(&ifmgd->vht_capa_mask, 0, sizeof(ifmgd->vht_capa_mask)); - sdata->flags &= ~IEEE80211_SDATA_MU_MIMO_OWNER; + + /* reset MU-MIMO ownership and group data */ + memset(sdata->vif.bss_conf.mu_group.membership, 0, + sizeof(sdata->vif.bss_conf.mu_group.membership)); + memset(sdata->vif.bss_conf.mu_group.position, 0, + sizeof(sdata->vif.bss_conf.mu_group.position)); + changed |= BSS_CHANGED_MU_GROUPS; + sdata->vif.mu_mimo_owner = false; sdata->ap_power_level = IEEE80211_UNSET_POWER_LEVEL; @@ -2536,7 +2509,8 @@ static void ieee80211_destroy_assoc_data(struct ieee80211_sub_if_data *sdata, eth_zero_addr(sdata->u.mgd.bssid); ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID); sdata->u.mgd.flags = 0; - sdata->flags &= ~IEEE80211_SDATA_MU_MIMO_OWNER; + sdata->vif.mu_mimo_owner = false; + mutex_lock(&sdata->local->mtx); ieee80211_vif_release_channel(sdata); mutex_unlock(&sdata->local->mtx); @@ -3571,6 +3545,9 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, elems.ht_cap_elem, elems.ht_operation, elems.vht_operation, bssid, &changed)) { mutex_unlock(&local->sta_mtx); + sdata_info(sdata, + "failed to follow AP %pM bandwidth change, disconnect\n", + bssid); ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, WLAN_REASON_DEAUTH_LEAVING, true, deauth_buf); @@ -3946,11 +3923,9 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) * We actually lost the connection ... or did we? * Let's make sure! */ - wiphy_debug(local->hw.wiphy, - "%s: No probe response from AP %pM" - " after %dms, disconnecting.\n", - sdata->name, - bssid, probe_wait_ms); + mlme_dbg(sdata, + "No probe response from AP %pM after %dms, disconnecting.\n", + bssid, probe_wait_ms); ieee80211_sta_connection_lost(sdata, bssid, WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, false); @@ -4536,6 +4511,9 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, if (ifmgd->associated) { u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN]; + sdata_info(sdata, + "disconnect from AP %pM for new auth to %pM\n", + ifmgd->associated->bssid, req->bss->bssid); ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, WLAN_REASON_UNSPECIFIED, false, frame_buf); @@ -4604,6 +4582,9 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, if (ifmgd->associated) { u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN]; + sdata_info(sdata, + "disconnect from AP %pM for new assoc to %pM\n", + ifmgd->associated->bssid, req->bss->bssid); ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, WLAN_REASON_UNSPECIFIED, false, frame_buf); -- cgit v1.2.3-54-g00ecf