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-rw-r--r--net/mac80211/util.c117
1 files changed, 76 insertions, 41 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 8dd4712620ff..1df4019f294b 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -804,7 +804,7 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct ieee80211_tx_queue_params qparam;
int ac;
- bool use_11b;
+ bool use_11b, enable_qos;
int aCWmin, aCWmax;
if (!local->ops->conf_tx)
@@ -818,6 +818,13 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
use_11b = (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ) &&
!(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE);
+ /*
+ * 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);
+
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
/* Set defaults according to 802.11-2007 Table 7-37 */
aCWmax = 1023;
@@ -826,38 +833,47 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
else
aCWmin = 15;
- switch (ac) {
- case IEEE80211_AC_BK:
- qparam.cw_max = aCWmax;
- qparam.cw_min = aCWmin;
- qparam.txop = 0;
- qparam.aifs = 7;
- break;
- default: /* never happens but let's not leave undefined */
- case IEEE80211_AC_BE:
+ if (enable_qos) {
+ switch (ac) {
+ case IEEE80211_AC_BK:
+ qparam.cw_max = aCWmax;
+ qparam.cw_min = aCWmin;
+ qparam.txop = 0;
+ qparam.aifs = 7;
+ break;
+ /* never happens but let's not leave undefined */
+ default:
+ case IEEE80211_AC_BE:
+ qparam.cw_max = aCWmax;
+ qparam.cw_min = aCWmin;
+ qparam.txop = 0;
+ qparam.aifs = 3;
+ break;
+ case IEEE80211_AC_VI:
+ qparam.cw_max = aCWmin;
+ qparam.cw_min = (aCWmin + 1) / 2 - 1;
+ if (use_11b)
+ qparam.txop = 6016/32;
+ else
+ qparam.txop = 3008/32;
+ qparam.aifs = 2;
+ break;
+ case IEEE80211_AC_VO:
+ qparam.cw_max = (aCWmin + 1) / 2 - 1;
+ qparam.cw_min = (aCWmin + 1) / 4 - 1;
+ if (use_11b)
+ qparam.txop = 3264/32;
+ else
+ qparam.txop = 1504/32;
+ qparam.aifs = 2;
+ break;
+ }
+ } else {
+ /* Confiure old 802.11b/g medium access rules. */
qparam.cw_max = aCWmax;
qparam.cw_min = aCWmin;
qparam.txop = 0;
- qparam.aifs = 3;
- break;
- case IEEE80211_AC_VI:
- qparam.cw_max = aCWmin;
- qparam.cw_min = (aCWmin + 1) / 2 - 1;
- if (use_11b)
- qparam.txop = 6016/32;
- else
- qparam.txop = 3008/32;
- qparam.aifs = 2;
- break;
- case IEEE80211_AC_VO:
- qparam.cw_max = (aCWmin + 1) / 2 - 1;
- qparam.cw_min = (aCWmin + 1) / 4 - 1;
- if (use_11b)
- qparam.txop = 3264/32;
- else
- qparam.txop = 1504/32;
qparam.aifs = 2;
- break;
}
qparam.uapsd = false;
@@ -866,12 +882,8 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
drv_conf_tx(local, sdata, ac, &qparam);
}
- /* after reinitialize QoS TX queues setting to default,
- * disable QoS at all */
-
if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
- sdata->vif.bss_conf.qos =
- sdata->vif.type != NL80211_IFTYPE_STATION;
+ sdata->vif.bss_conf.qos = enable_qos;
if (bss_notify)
ieee80211_bss_info_change_notify(sdata,
BSS_CHANGED_QOS);
@@ -1267,14 +1279,19 @@ int ieee80211_reconfig(struct ieee80211_local *local)
/* add STAs back */
mutex_lock(&local->sta_mtx);
list_for_each_entry(sta, &local->sta_list, list) {
- if (sta->uploaded) {
- enum ieee80211_sta_state state;
+ enum ieee80211_sta_state state;
- for (state = IEEE80211_STA_NOTEXIST;
- state < sta->sta_state; state++)
- WARN_ON(drv_sta_state(local, sta->sdata, sta,
- state, state + 1));
- }
+ if (!sta->uploaded)
+ continue;
+
+ /* AP-mode stations will be added later */
+ if (sta->sdata->vif.type == NL80211_IFTYPE_AP)
+ continue;
+
+ for (state = IEEE80211_STA_NOTEXIST;
+ state < sta->sta_state; state++)
+ WARN_ON(drv_sta_state(local, sta->sdata, sta, state,
+ state + 1));
}
mutex_unlock(&local->sta_mtx);
@@ -1371,6 +1388,24 @@ int ieee80211_reconfig(struct ieee80211_local *local)
}
}
+ /* APs are now beaconing, add back stations */
+ mutex_lock(&local->sta_mtx);
+ list_for_each_entry(sta, &local->sta_list, list) {
+ enum ieee80211_sta_state state;
+
+ if (!sta->uploaded)
+ continue;
+
+ if (sta->sdata->vif.type != NL80211_IFTYPE_AP)
+ continue;
+
+ for (state = IEEE80211_STA_NOTEXIST;
+ state < sta->sta_state; state++)
+ WARN_ON(drv_sta_state(local, sta->sdata, sta, state,
+ state + 1));
+ }
+ mutex_unlock(&local->sta_mtx);
+
/* add back keys */
list_for_each_entry(sdata, &local->interfaces, list)
if (ieee80211_sdata_running(sdata))
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