Commit-ID: b9b7f55729da42ed4de44935937ca715130ab9c5
Gitweb: http://git.kernel.org/tip/b9b7f55729da42ed4de44935937ca715130ab9c5
Author: Asias He <asias.hejun@xxxxxxxxx>
AuthorDate: Sun, 10 Jul 2011 07:58:18 +0800
Committer: Pekka Enberg <penberg@xxxxxxxxxx>
CommitDate: Sun, 10 Jul 2011 10:37:01 +0300
kvm tools: Make virtio net work on older kernels
Some old kernels do not support TUNSETVNETHDRSZ ioctl which modifies the virtio
net header size. The default header size should work, so let's go on if the
TUNSETVNETHDRSZ ioctl is not supported and just give a warnning.
Reported-by: John Floren <john@xxxxxxxxxxx>
Signed-off-by: Asias He <asias.hejun@xxxxxxxxx>
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxx>
---
tools/kvm/virtio/net.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/tools/kvm/virtio/net.c b/tools/kvm/virtio/net.c
index 3a9216d..f4ba79a 100644
--- a/tools/kvm/virtio/net.c
+++ b/tools/kvm/virtio/net.c
@@ -348,7 +348,6 @@ static bool virtio_net__tap_init(const struct virtio_net_parameters *params)
hdr_len = sizeof(struct virtio_net_hdr);
if (ioctl(ndev.tap_fd, TUNSETVNETHDRSZ, &hdr_len) < 0) {
pr_warning("Config tap device TUNSETVNETHDRSZ error");
- goto fail;
}
offload = TUN_F_CSUM | TUN_F_TSO4 | TUN_F_TSO6 | TUN_F_UFO;
--
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