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2009-12-03net: check for TUNSETOFFLOAD support before trying to enable offload featuresPierre Riteau
This avoids the "TUNSETOFFLOAD ioctl() failed: Invalid argument" message on kernels without TUNSETOFFLOAD support. Signed-off-by: Pierre Riteau <Pierre.Riteau@irisa.fr> Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03net: fix TAP networking on host kernels without IFF_VNET_HDR supportPierre 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 <Pierre.Riteau@irisa.fr> Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-30net: move UFO support detection to tap-linux.cMark McLoughlin
Only supported on Linux Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-30net: move tap_set_offload() code into tap-linux.cMark McLoughlin
TUNSETOFFLOAD is only available on Linux Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-30net: move tap_probe_vnet_hdr() to tap-linux.cMark McLoughlin
Only Linux has support for IFF_VNET_HDR Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-30net: move tap_set_sndbuf() to tap-linux.cMark McLoughlin
TUNSETSNDBUF is only available on linux Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-30net: move linux code into net/tap-linux.cMark McLoughlin
Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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