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Message-ID: <20220925092006.GT2602992@gauss3.secunet.de> Date: Sun, 25 Sep 2022 11:20:06 +0200 From: Steffen Klassert <steffen.klassert@...unet.com> To: Leon Romanovsky <leon@...nel.org> CC: Leon Romanovsky <leonro@...dia.com>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Herbert Xu <herbert@...dor.apana.org.au>, Jakub Kicinski <kuba@...nel.org>, <netdev@...r.kernel.org>, Paolo Abeni <pabeni@...hat.com>, Raed Salem <raeds@...dia.com>, Saeed Mahameed <saeedm@...dia.com>, Bharat Bhushan <bbhushan2@...vell.com> Subject: Re: [PATCH RFC xfrm-next v3 7/8] xfrm: add support to HW update soft and hard limits On Sun, Sep 04, 2022 at 04:15:41PM +0300, Leon Romanovsky wrote: > From: Leon Romanovsky <leonro@...dia.com> > > Both in RX and TX, the traffic that performs IPsec full offload > transformation is accounted by HW. It is needed to properly handle > hard limits that require to drop the packet. > > It means that XFRM core needs to update internal counters with the one > that accounted by the HW, so new callbacks are introduced in this patch. > > In case of soft or hard limit is occurred, the driver should call to > xfrm_state_check_expire() that will perform key rekeying exactly as > done by XFRM core. > > Signed-off-by: Leon Romanovsky <leonro@...dia.com> This looks good, thanks! We need this for the other relevant counters too.
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