Commit 3df7a74e authored Dec 15, 2013 by Tom Herbert Committed by David S. Miller Dec 17, 2013

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: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 09323cc4

include/linux/skbuff.h

+6 −0

Original line number	Original line	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);		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		#ifdef NET_SKBUFF_DATA_USES_OFFSET
	static inline unsigned char skb_end_pointer(const struct sk_buff skb)		static inline unsigned char skb_end_pointer(const struct sk_buff skb)
	{		{

net/core/skbuff.c

+1 −2

Original line number	Original line	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_network_header = old->inner_network_header;
	new->inner_mac_header = old->inner_mac_header;		new->inner_mac_header = old->inner_mac_header;
	skb_dst_copy(new, old);		skb_dst_copy(new, old);
	new->rxhash = old->rxhash;		skb_copy_hash(new, old);
	new->ooo_okay = old->ooo_okay;		new->ooo_okay = old->ooo_okay;
	new->l4_rxhash = old->l4_rxhash;
	new->no_fcs = old->no_fcs;		new->no_fcs = old->no_fcs;
	new->encapsulation = old->encapsulation;		new->encapsulation = old->encapsulation;
	#ifdef CONFIG_XFRM		#ifdef CONFIG_XFRM