From: William Tu <u9012...@gmail.com> Date: Wed, 7 Mar 2018 15:38:48 -0800
> When sending a packet to a tunnel device, the dev's hard_header_len > could be larger than the skb->len in function packet_length(). > In the case of ip6gretap/erspan, hard_header_len = LL_MAX_HEADER + t_hlen, > which is around 180, and an ARP packet sent to this tunnel has > skb->len = 42. This causes the 'unsign int length' to become super > large because it is negative value, causing the later ovs_vport_send > to drop it due to over-mtu size. The patch fixes it by setting it to 0. > > Signed-off-by: William Tu <u9012...@gmail.com> > --- > v1->v2: > replace the return type from unsigned int to int Applied, thanks.
