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authorAndrew Melnychenko <andrew@daynix.com>2024-01-15 21:48:40 +0200
committerMichael S. Tsirkin <mst@redhat.com>2024-03-19 02:45:49 -0400
commitf6baca2d32ead51b10e15f1eef812d7c6a7b9a40 (patch)
tree301e9d942436f868eb632538192b71b5375f68fa /include/uapi
parente8f897f4afef0031fe618a8e94127a0934896aba (diff)
vhost: Added pad cleanup if vnet_hdr is not present.
When the Qemu launched with vhost but without tap vnet_hdr, vhost tries to copy vnet_hdr from socket iter with size 0 to the page that may contain some trash. That trash can be interpreted as unpredictable values for vnet_hdr. That leads to dropping some packets and in some cases to stalling vhost routine when the vhost_net tries to process packets and fails in a loop. Qemu options: -netdev tap,vhost=on,vnet_hdr=off,... Signed-off-by: Andrew Melnychenko <andrew@daynix.com> Message-Id: <20240115194840.1183077-1-andrew@daynix.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/uapi')
0 files changed, 0 insertions, 0 deletions