[Xen-changelog] [xen master] netif.h: Add IPv6 related changes

[patchbot@xxxxxxx]

commit d319a371decf9f851e4b9c18c4e123b9d2e16a57
Author:     Paul Durrant <paul.durrant@xxxxxxxxxx>
AuthorDate: Thu Oct 24 09:47:50 2013 +0100
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Thu Oct 24 14:02:02 2013 +0100

    netif.h: Add IPv6 related changes
    
    My recent patch series to Linux netback added IPv6 checksum
    offload and GSO support. This involved making some changes to the
    copy of netif.h in Linux.
    This patch adds those changes to the canonical copy of netif.h.
    
    Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
    Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 xen/include/public/io/netif.h |   18 +++++++++++++++++-
 1 files changed, 17 insertions(+), 1 deletions(-)

diff --git a/xen/include/public/io/netif.h b/xen/include/public/io/netif.h
index 3aa2dec..d7fb771 100644
--- a/xen/include/public/io/netif.h
+++ b/xen/include/public/io/netif.h
@@ -69,6 +69,20 @@
  */
 
 /*
+ * "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.
+ */
+
+/*
+ * "feature-gso-tcpv4" and "feature-gso-tcpv6" advertise the capability to
+ * handle large TCP packets (in IPv4 or IPv6 form respectively). Neither
+ * frontends nor backends are assumed to be capable unless the flags are
+ * present.
+ */
+
+/*
  * This is the 'wire' format for packets:
  *  Request 1: netif_tx_request -- NETTXF_* (any flags)
  * [Request 2: netif_tx_extra]  (only if request 1 has NETTXF_extra_info)
@@ -116,8 +130,10 @@ typedef struct netif_tx_request netif_tx_request_t;
 #define _XEN_NETIF_EXTRA_FLAG_MORE (0)
 #define XEN_NETIF_EXTRA_FLAG_MORE  (1U<<_XEN_NETIF_EXTRA_FLAG_MORE)
 
-/* GSO types - only TCPv4 currently supported. */
+/* GSO types */
+#define XEN_NETIF_GSO_TYPE_NONE         (0)
 #define XEN_NETIF_GSO_TYPE_TCPV4        (1)
+#define XEN_NETIF_GSO_TYPE_TCPV6        (2)
 
 /*
  * This structure needs to fit within both netif_tx_request and
--
generated by git-patchbot for /home/xen/git/xen.git#master

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog