bpf_skb_adjust_room sets the inner_protocol as skb->protocol for packets encapsulation. But that is not appropriate when pushing Ethernet header. Add an option to further specify encap L2 type and set the inner_protocol as ETH_P_TEB. Suggested-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Xuesen Huang <huangxuesen@kuaishou.com> Signed-off-by: Zhiyong Cheng <chengzhiyong@kuaishou.com> Signed-off-by: Li Wang <wangli09@kuaishou.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Willem de Bruijn <willemb@google.com> Link: https://lore.kernel.org/bpf/20210304064046.6232-1-hxseverything@gmail.com |
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