ACK/Cmnt: [SRU][F:linux-bluefield][PATCH V1 0/2] Add inner ipproto and fix in sec_path

[Tim Gardner]

Acked-by: Tim Gardner <tim.gardner at canonical.com>

Patch 2 has been merged upstream.

On 2/10/22 5:57 PM, Bodong Wang wrote:
> 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.
> 
> As this data unrelated to the specific driver (the inner ip protocol of the
> plain text) then it makes sense to provide it in the xfrm stack layer to
> avoid code duplication in various drivers and do it on the fly in the xfrm
> layer instead of reparse the packet at the driver layer. This is handled by
> patch 1.
> 
> However, patch 1 did not handle the case where IPsec is used in tunnel mode.
> Patch 2 fixed the bug.
> 
> V0->V1:
> Fix cherry-pick commit SHA for both patches
> 
> Huy Nguyen (1):
>    net/xfrm: Add inner_ipproto into sec_path
> 
> Raed Salem (1):
>    net/xfrm: IPsec tunnel mode fix inner_ipproto setting in sec_path
> 
>   include/net/xfrm.h     |  1 +
>   net/xfrm/xfrm_output.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++-
>   2 files changed, 61 insertions(+), 1 deletion(-)
> 

-- 
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Tim Gardner
Canonical, Inc