On Wed, Apr 14, 2021 at 04:25:39PM -0700, Saeed Mahameed wrote:
> From: Huy Nguyen <h...@nvidia.com>
>
> The inner_ipproto saves the inner IP protocol of the plain
> text packet. This allows vendor's IPsec feature making offload
> decision at skb's features_check and configuring hardware at
> ndo_start_xmit.
>
> For example, ConnectX6-DX IPsec device needs the plaintext's
> IP protocol to support partial checksum offload on
> VXLAN/GENEVE packet over IPsec transport mode tunnel.
>
> Signed-off-by: Raed Salem <ra...@nvidia.com>
> Signed-off-by: Huy Nguyen <h...@nvidia.com>
> Cc: Steffen Klassert <steffen.klass...@secunet.com>
> ---
> include/net/xfrm.h | 1 +
> net/xfrm/xfrm_output.c | 36 +++++++++++++++++++++++++++++++++++-
> 2 files changed, 36 insertions(+), 1 deletion(-)
>
> diff --git a/include/net/xfrm.h b/include/net/xfrm.h
> index c58a6d4eb610..e535700431fb 100644
> --- a/include/net/xfrm.h
> +++ b/include/net/xfrm.h
> @@ -1032,6 +1032,7 @@ struct sec_path {
>
> struct xfrm_state *xvec[XFRM_MAX_DEPTH];
> struct xfrm_offload ovec[XFRM_MAX_OFFLOAD_DEPTH];
> + u8 inner_ipproto;
This is for offload, so it should go to struct xfrm_offload.
We have already 'proto' there, so it is just easy add
'inner_proto'.
