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| author | Changli Gao <xiaosuo@gmail.com> | 2010-08-21 10:23:15 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-08-22 10:40:14 +0400 |
| commit | 739a91ef0625e0e4a40b835f4f891313c47915df (patch) | |
| tree | bfcb025c8b446a81e82f0b57ad76168996ce49bc | |
| parent | 81ce790bd75d49a0d119f5d7b27405e1d9b1bd57 (diff) | |
| download | linux-739a91ef0625e0e4a40b835f4f891313c47915df.tar.xz | |
net_sched: cls_flow: add key rxhash
We can use rxhash to classify the traffic into flows. As rxhash maybe
supplied by NIC or RPS, it is cheaper.
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Acked-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/pkt_cls.h | 1 | ||||
| -rw-r--r-- | net/sched/cls_flow.c | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/pkt_cls.h b/include/linux/pkt_cls.h index 7f6ba8658abe..defbde203d07 100644 --- a/include/linux/pkt_cls.h +++ b/include/linux/pkt_cls.h @@ -332,6 +332,7 @@ enum { FLOW_KEY_SKUID, FLOW_KEY_SKGID, FLOW_KEY_VLAN_TAG, + FLOW_KEY_RXHASH, __FLOW_KEY_MAX, }; diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c index cd709f1294df..5b271a18bc3a 100644 --- a/net/sched/cls_flow.c +++ b/net/sched/cls_flow.c @@ -306,6 +306,11 @@ static u32 flow_get_vlan_tag(const struct sk_buff *skb) return tag & VLAN_VID_MASK; } +static u32 flow_get_rxhash(struct sk_buff *skb) +{ + return skb_get_rxhash(skb); +} + static u32 flow_key_get(struct sk_buff *skb, int key) { switch (key) { @@ -343,6 +348,8 @@ static u32 flow_key_get(struct sk_buff *skb, int key) return flow_get_skgid(skb); case FLOW_KEY_VLAN_TAG: return flow_get_vlan_tag(skb); + case FLOW_KEY_RXHASH: + return flow_get_rxhash(skb); default: WARN_ON(1); return 0; |