From c6ca5e28bc005f109b2772765c62b4d4ec35c954 Mon Sep 17 00:00:00 2001 From: cedric Voncken Date: Mon, 26 Aug 2013 14:04:52 +0200 Subject: [PATCH] cfg80211: vlan priority handling in WMM If the VLAN tci is set in skb->vlan_tci use the priority field to determine the WMM priority. Signed-off-by: cedric Voncken Signed-off-by: Johannes Berg --- net/wireless/util.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/net/wireless/util.c b/net/wireless/util.c index ce090c1c5e4f..3c8be6104ba4 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -10,6 +10,7 @@ #include #include #include +#include #include "core.h" #include "rdev-ops.h" @@ -691,6 +692,7 @@ 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 @@ -700,6 +702,13 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb) if (skb->priority >= 256 && skb->priority <= 263) return skb->priority - 256; + if (vlan_tx_tag_present(skb)) { + vlan_priority = (vlan_tx_tag_get(skb) & 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;