diff options
author | Changli Gao <xiaosuo@gmail.com> | 2010-08-21 02:23:15 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-08-22 02:40:14 -0400 |
commit | 739a91ef0625e0e4a40b835f4f891313c47915df (patch) | |
tree | bfcb025c8b446a81e82f0b57ad76168996ce49bc /net/sched/cls_flow.c | |
parent | 81ce790bd75d49a0d119f5d7b27405e1d9b1bd57 (diff) |
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>
Diffstat (limited to 'net/sched/cls_flow.c')
-rw-r--r-- | net/sched/cls_flow.c | 7 |
1 files changed, 7 insertions, 0 deletions
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) | |||
306 | return tag & VLAN_VID_MASK; | 306 | return tag & VLAN_VID_MASK; |
307 | } | 307 | } |
308 | 308 | ||
309 | static u32 flow_get_rxhash(struct sk_buff *skb) | ||
310 | { | ||
311 | return skb_get_rxhash(skb); | ||
312 | } | ||
313 | |||
309 | static u32 flow_key_get(struct sk_buff *skb, int key) | 314 | static u32 flow_key_get(struct sk_buff *skb, int key) |
310 | { | 315 | { |
311 | switch (key) { | 316 | switch (key) { |
@@ -343,6 +348,8 @@ static u32 flow_key_get(struct sk_buff *skb, int key) | |||
343 | return flow_get_skgid(skb); | 348 | return flow_get_skgid(skb); |
344 | case FLOW_KEY_VLAN_TAG: | 349 | case FLOW_KEY_VLAN_TAG: |
345 | return flow_get_vlan_tag(skb); | 350 | return flow_get_vlan_tag(skb); |
351 | case FLOW_KEY_RXHASH: | ||
352 | return flow_get_rxhash(skb); | ||
346 | default: | 353 | default: |
347 | WARN_ON(1); | 354 | WARN_ON(1); |
348 | return 0; | 355 | return 0; |