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Commit 7529390d authored by Davide Caratti's avatar Davide Caratti Committed by David S. Miller
Browse files

openvswitch: more accurate checksumming in queue_userspace_packet() 



if skb carries an SCTP packet and ip_summed is CHECKSUM_PARTIAL, it needs
CRC32c in place of Internet Checksum: use skb_csum_hwoffload_help to avoid
corrupting such packets while queueing them towards userspace.

Signed-off-by: default avatarDavide Caratti <dcaratti@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 43c26a1a

net/openvswitch/datapath.c

+1 −1
Original line number Diff line number Diff line
@@ -453,7 +453,7 @@ static int queue_userspace_packet(struct datapath *dp, struct sk_buff *skb, 


	/* Complete checksum if needed */

	if (skb->ip_summed == CHECKSUM_PARTIAL &&

	    (err = skb_checksum_help(skb)))

	    (err = skb_csum_hwoffload_help(skb, 0)))

		goto out;



	/* Older versions of OVS user space enforce alignment of the last