Re: [PATCH net-next v2] xfrm: introduce oseq-may-wrap flag

From: Christophe Gouault
Date: Tue Jun 02 2020 - 05:55:40 EST


Le sam. 30 mai 2020 Ã 14:39, Petr VanÄk <pv@xxxxxxxxxx> a Ãcrit :
>
> RFC 4303 in section 3.3.3 suggests to disable anti-replay for manually
> distributed ICVs in which case the sender does not need to monitor or
> reset the counter. However, the sender still increments the counter and
> when it reaches the maximum value, the counter rolls over back to zero.
>
> This patch introduces new extra_flag XFRM_SA_XFLAG_OSEQ_MAY_WRAP which
> allows sequence number to cycle in outbound packets if set. This flag is
> used only in legacy and bmp code, because esn should not be negotiated
> if anti-replay is disabled (see note in 3.3.3 section).
> (...)

Hi Petr,

Thank you for taking my comment into account.
This new patch looks good to me.

Acked-by: Christophe Gouault <christophe.gouault@xxxxxxxxx>

Regards,
Christophe