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Groups > linux.kernel > #1724151
| From | Steffen Klassert <steffen.klassert@secunet.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH net-next] xfrm: Add support for network devices capable of removing the ESP trailer |
| Date | 2017-08-31 14:00 +0200 |
| Message-ID | <ukwiE-5bl-65@gated-at.bofh.it> (permalink) |
| References | <ukwiE-5bl-67@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Aug 30, 2017 at 11:30:39AM +0300, yossiku@mellanox.com wrote: > From: Yossi Kuperman <yossiku@mellanox.com> > > In conjunction with crypto offload [1], removing the ESP trailer by > hardware can potentially improve the performance by avoiding (1) a > cache miss incurred by reading the nexthdr field and (2) the necessity > to calculate the csum value of the trailer in order to keep skb->csum > valid. > > This patch introduces the changes to the xfrm stack and merely serves > as an infrastructure. Subsequent patch to mlx5 driver will put this to > a good use. > > [1] https://www.mail-archive.com/netdev@vger.kernel.org/msg175733.html > > Signed-off-by: Yossi Kuperman <yossiku@mellanox.com> Applied to ipsec-next, thanks Yossi!
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Re: [PATCH net-next] xfrm: Add support for network devices capable of removing the ESP trailer Steffen Klassert <steffen.klassert@secunet.com> - 2017-08-31 14:00 +0200
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