Re: [PATCH v2 2/5] bpf: add BPF_F_ADJ_ROOM_DECAP_* flags for tunnel decapsulation

[Willem de Bruijn]

Nick Hudson wrote:
> Add new bpf_skb_adjust_room() decapsulation flags:
> 
> - BPF_F_ADJ_ROOM_DECAP_L4_GRE
> - BPF_F_ADJ_ROOM_DECAP_L4_UDP
> - BPF_F_ADJ_ROOM_DECAP_IPXIP4
> - BPF_F_ADJ_ROOM_DECAP_IPXIP6
> 
> These flags let BPF programs describe which tunnel layer is being
> removed, so later changes can update tunnel-related GSO state
> accordingly during decapsulation.
> 
> This patch only introduces the UAPI flag definitions and helper
> documentation.
> 
> Co-developed-by: Max Tottenham <mtottenh@xxxxxxxxxx>
> Signed-off-by: Max Tottenham <mtottenh@xxxxxxxxxx>
> Co-developed-by: Anna Glasgall <aglasgal@xxxxxxxxxx>
> Signed-off-by: Anna Glasgall <aglasgal@xxxxxxxxxx>
> Signed-off-by: Nick Hudson <nhudson@xxxxxxxxxx>

Reviewed-by: Willem de Bruijn <willemb@xxxxxxxxxx>