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(parent: 5129bd8) | patch
virtio-net: disable the hole mechanism for xdp
authorHeng Qi <hengqi@linux.alibaba.com>
Sat, 14 Jan 2023 08:22:20 +0000 (16:22 +0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 16 Jan 2023 11:15:48 +0000 (11:15 +0000)
commit484beac2ffc1d1dde5fde601deb28f3a82ac250e
tree406b172390da179fa1d8962a368a1716baec55d0tree | snapshot
parent5129bd8e8840b88638ebd38d2d616c9dd2592b87commit | diff
virtio-net: disable the hole mechanism for xdp

XDP core assumes that the frame_size of xdp_buff and the length of
the frag are PAGE_SIZE. The hole may cause the processing of xdp to
fail, so we disable the hole mechanism when xdp is set.

Signed-off-by: Heng Qi <hengqi@linux.alibaba.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/virtio_net.c diff | blob | history
Domain: System / Kernel;