From: Willem de Bruijn <willemdebruijn.ker...@gmail.com> Date: Wed, 3 Feb 2016 18:02:13 -0500
> From: Willem de Bruijn <will...@google.com> > > Extend PACKET_VNET_HDR socket option support to packet sockets with > memory mapped rings. > > Patches 2 and 4 add support to tpacket_rcv and tpacket_snd. > > Patch 1 prepares for this by moving the relevant virtio_net_hdr > logic out of packet_snd and packet_rcv into helper functions. > > GSO transmission requires all headers in the skb linear section. > Patch 3 moves parsing of tx_ring slot headers before skb allocation > to enable allocation with sufficient linear size. > > Changes > v1->v2: > - fix bounds checks: > - subtract sizeof(vnet_hdr) before comparing tp_len to size_max > - compare tp_len to size_max also with GSO, just do not truncate to MTU Series applied, thanks.
