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Merge tag 'mac80211-next-for-davem-2016-02-26' of git://git.kernel.org/pub/scm/linux...
[sfrench/cifs-2.6.git] / net / mac80211 / mlme.c
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index bfbb1acafdd1f004ff4960b2238fbc5343302f38..281b8d6e51097e8160b7243ee32f630faf742ef1 100644 (file)
--- 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 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);
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