Improves reliability of wifi connections with WPA, since authentication
frames are prioritized over normal traffic and also typically exempt
from aggregation.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
---
net/mac80211/wme.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 21211c6..2656969 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -107,6 +107,7 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
const u8 *ra = NULL;
bool qos = false;
struct mac80211_qos_map *qos_map;
+ struct ethhdr *ehdr = (struct ethhdr *) skb->data;
if (local->hw.queues < IEEE80211_NUM_ACS || skb->len < 6) {
skb->priority = 0; /* required for correct WPA/11i MIC */
@@ -154,6 +155,11 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
return IEEE80211_AC_BE;
}
+ if (ehdr->h_proto == 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 */
rcu_read_lock();
--
1.8.3.4 (Apple Git-47)
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