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wireless: Treat IPv6 diffserv the same as IPv4 for 802.11e

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Wireless will select a different hardware queue based on the
top 3 bits of the diffserv field, for ipv4. Extend that queue
selection mechanism to ipv6, and make the calls orthogonal.

Signed-off-by: Dave Täht <dave.taht@bufferbloat.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Dave Täht 2011-12-22 12:55:08 -08:00 • committed by John W. Linville
parent 288e0713f4
commit b156579b14
1 changed files with 5 additions and 1 deletions
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6
net/wireless/util.c
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@ -9,6 +9,7 @@
#include <linux/slab.h> #include <linux/slab.h>
#include <net/cfg80211.h> #include <net/cfg80211.h>
#include <net/ip.h> #include <net/ip.h>
#include <net/dsfield.h>
#include "core.h" #include "core.h"
struct ieee80211_rate * struct ieee80211_rate *
@ -650,7 +651,10 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb)
switch (skb->protocol) { switch (skb->protocol) {
case htons(ETH_P_IP): case htons(ETH_P_IP):
dscp = ip_hdr(skb)->tos & 0xfc; dscp = ipv4_get_dsfield(ip_hdr(skb)) & 0xfc;
break;
case htons(ETH_P_IPV6):
dscp = ipv6_get_dsfield(ipv6_hdr(skb)) & 0xfc;
break; break;
default: default:
return 0; return 0;