Willem de Bruijn 1d036d25e5 packet: tpacket_snd gso and checksum offload ... Support socket option PACKET_VNET_HDR together with PACKET_TX_RING. When enabled, a struct virtio_net_hdr is expected to precede the data in the ring. The vnet option must be set before the ring is created. The implementation reuses the existing skb_copy_bits code that is used when dev->hard_header_len is non-zero. Move this ll_header check to before the skb alloc and combine it with a test for vnet_hdr->hdr_len. Allocate and copy the max of the two. Verified with test program at github.com/wdebruij/kerneltools/blob/master/tests/psock_txring_vnet.c Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2016-02-09 06:43:50 -05:00
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af_packet.c	packet: tpacket_snd gso and checksum offload	2016-02-09 06:43:50 -05:00
diag.c	netlink: make nlmsg_end() and genlmsg_end() void	2015-01-18 01:03:45 -05:00
internal.h	packet: add classic BPF fanout mode	2015-08-17 14:22:47 -07:00
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