From 9247744e5eaa29aecee5342a0c8694187a6aadcd Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Sat, 21 Mar 2009 13:39:26 -0700 Subject: skb: expose and constify hash primitives Some minor changes to queue hashing: 1. Use const on accessor functions 2. Export skb_tx_hash for use in drivers (see ixgbe) Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- include/linux/skbuff.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'include/linux/skbuff.h') diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 1fbab2ae613c..bb1981fd60f3 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1969,7 +1969,7 @@ static inline void skb_set_queue_mapping(struct sk_buff *skb, u16 queue_mapping) skb->queue_mapping = queue_mapping; } -static inline u16 skb_get_queue_mapping(struct sk_buff *skb) +static inline u16 skb_get_queue_mapping(const struct sk_buff *skb) { return skb->queue_mapping; } @@ -1984,16 +1984,19 @@ static inline void skb_record_rx_queue(struct sk_buff *skb, u16 rx_queue) skb->queue_mapping = rx_queue + 1; } -static inline u16 skb_get_rx_queue(struct sk_buff *skb) +static inline u16 skb_get_rx_queue(const struct sk_buff *skb) { return skb->queue_mapping - 1; } -static inline bool skb_rx_queue_recorded(struct sk_buff *skb) +static inline bool skb_rx_queue_recorded(const struct sk_buff *skb) { return (skb->queue_mapping != 0); } +extern u16 skb_tx_hash(const struct net_device *dev, + const struct sk_buff *skb); + #ifdef CONFIG_XFRM static inline struct sec_path *skb_sec_path(struct sk_buff *skb) { -- cgit v1.2.3