[PATCH 09/12] kvm: qemu: Actually enable GSO support

[Mark McLoughlin]

Now that GSO support doesn't break e.g. e1000, we can
enable it.

Signed-off-by: Mark McLoughlin <[EMAIL PROTECTED]>
---
 qemu/vl.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/qemu/vl.c b/qemu/vl.c
index 9bfe480..14a66e0 100644
--- a/qemu/vl.c
+++ b/qemu/vl.c
@@ -4737,6 +4737,19 @@ static int tap_open(char *ifname, int ifname_size, int 
*vnet_hdr)
     }
     memset(&ifr, 0, sizeof(ifr));
     ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
+
+#if defined(TUNGETFEATURES) && defined(IFF_VNET_HDR)
+    {
+        unsigned int features;
+
+        if (ioctl(fd, TUNGETFEATURES, &features) == 0 &&
+            features & IFF_VNET_HDR) {
+            *vnet_hdr = 1;
+            ifr.ifr_flags |= IFF_VNET_HDR;
+        }
+    }
+#endif
+
     if (ifname[0] != '\0')
         pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
     else
-- 
1.5.4.1

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html