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ad81e2da08
This release brings parity with the commits Linus released a few hours ago into 5.8-rc5. * receive: account for napi_gro_receive never returning GRO_DROP The napi_gro_receive function no longer returns GRO_DROP ever, making handling GRO_DROP dead code. This commit removes that dead code. Further, it's not even clear that device drivers have any business in taking action after passing off received packets; that's arguably out of their hands. * device: implement header_ops->parse_protocol for AF_PACKET WireGuard uses skb->protocol to determine packet type, and bails out if it's not set or set to something it's not expecting. For AF_PACKET injection, we need to support its call chain of: packet_sendmsg -> packet_snd -> packet_parse_headers -> dev_parse_header_protocol -> parse_protocol Without a valid parse_protocol, this returns zero, and wireguard then rejects the skb. So, this wires up the ip_tunnel handler for layer 3 packets for that case. * queueing: make use of ip_tunnel_parse_protocol Now that wg_examine_packet_protocol has been added for general consumption as ip_tunnel_parse_protocol, it's possible to remove wg_examine_packet_protocol and simply use the new ip_tunnel_parse_protocol function directly. * compat: backport ip_tunnel_parse_protocol and ip_tunnel_header_ops These are required for moving wg_examine_packet_protocol out of wireguard and into upstream. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> |
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