[PATCH 02/17] net: Add function to set the rxhash
From: Tom Herbert <hidden>
Date: 2013-11-26 05:48:18
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
The function skb_set_rxash was added for drivers to call to set the rxhash in an skb. The type of hash is also specified as a parameter (L2, L3, L4, or unknown type). Signed-off-by: Tom Herbert <redacted> --- include/linux/skbuff.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 76d3aa9..25f190e 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h@@ -703,6 +703,20 @@ unsigned int skb_find_text(struct sk_buff *skb, unsigned int from, unsigned int to, struct ts_config *config, struct ts_state *state); +enum rxhash_types { + RXHASH_TYPE_NONE, /* Undefined type */ + RXHASH_TYPE_L2, /* Uses L2 information (addresses) */ + RXHASH_TYPE_L3, /* Uses L3 information */ + RXHASH_TYPE_L4, /* Uses L4 information (ports) */ +}; + +static inline void +skb_set_rxhash(struct sk_buff *skb, __u32 hash, enum rxhash_types type) +{ + skb->l4_rxhash = (type == RXHASH_TYPE_L4); + skb->rxhash = hash; +} + void __skb_get_rxhash(struct sk_buff *skb); static inline __u32 skb_get_rxhash(struct sk_buff *skb) {
--
1.8.4.1