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authorTom Herbert <therbert@google.com>2011-08-14 19:45:55 +0000
committerDavid S. Miller <davem@davemloft.net>2011-08-17 20:06:03 -0700
commitbdeab991918663aed38757904219e8398214334c (patch)
treebc6c02da7ed88e3e568677b4a35fb4e55de363de /include/linux/skbuff.h
parent792df22cd0499b4e662d4618b0008fdcfef8b04e (diff)
downloadblackbird-op-linux-bdeab991918663aed38757904219e8398214334c.tar.gz
blackbird-op-linux-bdeab991918663aed38757904219e8398214334c.zip
rps: Add flag to skb to indicate rxhash is based on L4 tuple
The l4_rxhash flag was added to the skb structure to indicate that the rxhash value was computed over the 4 tuple for the packet which includes the port information in the encapsulated transport packet. This is used by the stack to preserve the rxhash value in __skb_rx_tunnel. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 7b996ed86d5b..f902c331217b 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -414,6 +414,7 @@ struct sk_buff {
__u8 ndisc_nodetype:2;
#endif
__u8 ooo_okay:1;
+ __u8 l4_rxhash:1;
kmemcheck_bitfield_end(flags2);
/* 0/13 bit hole */
@@ -572,11 +573,11 @@ extern unsigned int skb_find_text(struct sk_buff *skb, unsigned int from,
unsigned int to, struct ts_config *config,
struct ts_state *state);
-extern __u32 __skb_get_rxhash(struct sk_buff *skb);
+extern void __skb_get_rxhash(struct sk_buff *skb);
static inline __u32 skb_get_rxhash(struct sk_buff *skb)
{
if (!skb->rxhash)
- skb->rxhash = __skb_get_rxhash(skb);
+ __skb_get_rxhash(skb);
return skb->rxhash;
}
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