Re: [PATCH net] xfrm: skip templates check for packet offload tunnel mode

[Steffen Klassert]

On Tue, Jan 27, 2026 at 02:49:23PM +0200, Tariq Toukan wrote:
> From: Leon Romanovsky <leonro@xxxxxxxxxx>
> 
> In packet offload, hardware is responsible to check templates. The
> result of its operation is forwarded through secpath by relevant
> drivers. That secpath is actually removed in __xfrm_policy_check2().
> 
> In case packet is forwarded, this secpath is reset in RX, but pushed
> again to TX where policy is rechecked again against dummy secpath
> in xfrm_policy_ok().
> 
> Such situation causes to unexpected XfrmInTmplMismatch increase.
> 
> As a solution, simply skip template mismatch check.
> 
> Fixes: 600258d555f0 ("xfrm: delete intermediate secpath entry in packet offload mode")
> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
> Reviewed-by: Jianbo Liu <jianbol@xxxxxxxxxx>
> Reviewed-by: Cosmin Ratiu <cratiu@xxxxxxxxxx>
> Signed-off-by: Tariq Toukan <tariqt@xxxxxxxxxx>

Applied, thanks everyone!