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authorPaul Durrant <Paul.Durrant@citrix.com>2013-10-16 17:50:28 +0100
committerDavid S. Miller <davem@davemloft.net>2013-10-17 15:35:14 -0400
commit146c8a77d27bcbd7722120f70f51e3b287205d0a (patch)
treeb7ce7bf02f0967015366284281e31468a45508cf /include/xen/interface/io
parentc0f4ace79e7e5bec0ff065c4afa3eb3329c9384c (diff)
downloadop-kernel-dev-146c8a77d27bcbd7722120f70f51e3b287205d0a.zip
op-kernel-dev-146c8a77d27bcbd7722120f70f51e3b287205d0a.tar.gz
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 <paul.durrant@citrix.com> Cc: Wei Liu <wei.liu2@citrix.com> Cc: David Vrabel <david.vrabel@citrix.com> Cc: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/xen/interface/io')
-rw-r--r--include/xen/interface/io/netif.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/xen/interface/io/netif.h b/include/xen/interface/io/netif.h
index eb262e3..c9e8184 100644
--- a/include/xen/interface/io/netif.h
+++ b/include/xen/interface/io/netif.h
@@ -51,6 +51,13 @@
*/
/*
+ * "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)
* [Request 2: xen_netif_extra_info] (only if request 1 has XEN_NETTXF_extra_info)
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