If the VLAN tci is set in skb->vlan_tci use the priority field to determine
the WMM priority.
V2 modifications :
Fix indentation
Use symbolic constant
include the header linux/if_vlan.h
Signed-off-by: cedric Voncken <cedric.voncken@xxxxxxxxx>
---
net/wireless/util.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/net/wireless/util.c b/net/wireless/util.c index
74458b7..13937db 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -10,6 +10,7 @@
#include <net/cfg80211.h>
#include <net/ip.h>
#include <net/dsfield.h>
+#include <linux/if_vlan.h>
#include "core.h"
#include "rdev-ops.h"
@@ -685,6 +686,7 @@ EXPORT_SYMBOL(ieee80211_amsdu_to_8023s);
unsigned int cfg80211_classify8021d(struct sk_buff *skb) {
unsigned int dscp;
+ unsigned char vlan_priority;
/* skb->priority values from 256->263 are magic values to
* directly indicate a specific 802.1d priority. This is used @@
-694,6 +696,10 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb)
if (skb->priority >= 256 && skb->priority <= 263)
return skb->priority - 256;
+ vlan_priority = (skb->vlan_tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
+ if (vlan_priority > 0)
+ return vlan_priority;
+
switch (skb->protocol) {
case htons(ETH_P_IP):
dscp = ipv4_get_dsfield(ip_hdr(skb)) & 0xfc;
--
1.7.2.5
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