From 146c8a77d27bcbd7722120f70f51e3b287205d0a Mon Sep 17 00:00:00 2001 From: Paul Durrant Date: Wed, 16 Oct 2013 17:50:28 +0100 Subject: xen-netback: add support for IPv6 checksum offload to guest Check xenstore flag feature-ipv6-csum-offload to determine if a guest is happy to accept IPv6 packets with only partial checksum. Signed-off-by: Paul Durrant Cc: Wei Liu Cc: David Vrabel Cc: Ian Campbell Signed-off-by: David S. Miller --- include/xen/interface/io/netif.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/xen') diff --git a/include/xen/interface/io/netif.h b/include/xen/interface/io/netif.h index eb262e3324d2..c9e81849fcd7 100644 --- a/include/xen/interface/io/netif.h +++ b/include/xen/interface/io/netif.h @@ -50,6 +50,13 @@ * node as before. */ +/* + * "feature-no-csum-offload" should be used to turn IPv4 TCP/UDP checksum + * offload off or on. If it is missing then the feature is assumed to be on. + * "feature-ipv6-csum-offload" should be used to turn IPv6 TCP/UDP checksum + * offload on or off. If it is missing then the feature is assumed to be off. + */ + /* * This is the 'wire' format for packets: * Request 1: xen_netif_tx_request -- XEN_NETTXF_* (any flags) -- cgit v1.2.3