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mac80211: send control port protocol frames to the VO queue

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commit 1bf4bbb402 upstream.

Improves reliability of wifi connections with WPA, since authentication
frames are prioritized over normal traffic and also typically exempt
from aggregation.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Felix Fietkau 2014-02-11 16:02:47 +01:00 committed by Greg Kroah-Hartman
parent 892b46a6a6
commit b59ed9d77e
1 changed files with 5 additions and 0 deletions
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5
net/mac80211/wme.c
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@ -153,6 +153,11 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
return IEEE80211_AC_BE;
}
if (skb->protocol == sdata->control_port_protocol) {
skb->priority = 7;
return ieee80211_downgrade_queue(sdata, skb);
}
/* use the data classifier to determine what 802.1d tag the
* data frame has */
skb->priority = cfg80211_classify8021d(skb);