From patchwork Wed Nov 25 18:49:34 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [41/44] net: fix TAP networking on host kernels without IFF_VNET_HDR support Date: Wed, 25 Nov 2009 08:49:34 -0000 From: Mark McLoughlin X-Patchwork-Id: 39435 Message-Id: <1259174977-26212-42-git-send-email-markmc@redhat.com> To: qemu-devel@nongnu.org Cc: Mark McLoughlin , Pierre Riteau From: Pierre Riteau vnet_hdr is initialized at 1 by default. We need to reset it to 0 if the kernel doesn't support IFF_VNET_HDR. Signed-off-by: Pierre Riteau Signed-off-by: Mark McLoughlin --- net/tap-linux.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/net/tap-linux.c b/net/tap-linux.c index 0f621a2..e4f7e27 100644 --- a/net/tap-linux.c +++ b/net/tap-linux.c @@ -52,6 +52,8 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required features & IFF_VNET_HDR) { *vnet_hdr = 1; ifr.ifr_flags |= IFF_VNET_HDR; + } else { + *vnet_hdr = 0; } if (vnet_hdr_required && !*vnet_hdr) {