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Commit 3df7a74e authored by Tom Herbert's avatar Tom Herbert Committed by David S. Miller
Browse files

net: Add utility function to copy skb hash 



Adds skb_copy_hash to copy rxhash and l4_rxhash from one skb to another.

Signed-off-by: default avatarTom Herbert <therbert@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 09323cc4

include/linux/skbuff.h

+6 −0
Original line number Diff line number Diff line
@@ -764,6 +764,12 @@ static inline void skb_clear_hash_if_not_l4(struct sk_buff *skb) 
		skb_clear_hash(skb);

}



static inline void skb_copy_hash(struct sk_buff *to, const struct sk_buff *from)

{

	to->rxhash = from->rxhash;

	to->l4_rxhash = from->l4_rxhash;

};



#ifdef NET_SKBUFF_DATA_USES_OFFSET

static inline unsigned char *skb_end_pointer(const struct sk_buff *skb)

{

net/core/skbuff.c

+1 −2
Original line number Diff line number Diff line
@@ -712,9 +712,8 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old) 
	new->inner_network_header = old->inner_network_header;

	new->inner_mac_header = old->inner_mac_header;

	skb_dst_copy(new, old);

	new->rxhash		= old->rxhash;

	skb_copy_hash(new, old);

	new->ooo_okay		= old->ooo_okay;

	new->l4_rxhash		= old->l4_rxhash;

	new->no_fcs		= old->no_fcs;

	new->encapsulation	= old->encapsulation;

#ifdef CONFIG_XFRM