netdev - [PATCH v5 ipsec-next 0/3] xfrm: Support GRO decapsulation for ESP in UDP encapsulation

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Message-ID: <cover.1692191034.git.antony.antony@secunet.com>
Date: Wed, 16 Aug 2023 15:12:29 +0200
From: Antony Antony <antony.antony@...unet.com>
To: Steffen Klassert <steffen.klassert@...unet.com>, Herbert Xu
	<herbert@...dor.apana.org.au>
CC: Eyal Birger <eyal.birger@...il.com>, <devel@...ux-ipsec.org>,
	<netdev@...r.kernel.org>, Antony Antony <antony.antony@...unet.com>
Subject: [PATCH v5 ipsec-next 0/3] xfrm: Support GRO decapsulation for ESP in
 UDP encapsulation

Hi,
Here I re-worked this patch set and here is v5 based of feed back from Eyal.


v1->v2 fixed error path added skb_push
        use is_fou instead of holding sk in skb.
        user configurable option to enable GRO; using UDP_GRO

v2->v3 only support GRO for UDP_ENCAP_ESPINUDP and not
        UDP_ENCAP_ESPINUDP_NON_IKE. The _NON_IKE is an IETF early draft
        version and not widly used.

v3->v4 removed refactoring since refactored function is only used once
        removed refcount on sk, sk is not used any more.
        fixed encap_type as Eyal recommended.
        removed un-necessary else since there is a goto before that.

v4->v5 removed extra code/checks that accidently got added.


Steffen Klassert (3):
  xfrm: Use the XFRM_GRO to indicate a GRO call on input
  xfrm: Support GRO for IPv4 ESP in UDP encapsulation
  xfrm: Support GRO for IPv6 ESP in UDP encapsulation

 include/net/gro.h        |  2 +-
 include/net/ipv6_stubs.h |  3 ++
 include/net/xfrm.h       |  4 ++
 net/ipv4/esp4_offload.c  |  6 ++-
 net/ipv4/udp.c           | 16 +++++++
 net/ipv4/xfrm4_input.c   | 94 ++++++++++++++++++++++++++++++++--------
 net/ipv6/af_inet6.c      |  1 +
 net/ipv6/esp6_offload.c  | 10 ++++-
 net/ipv6/xfrm6_input.c   | 94 ++++++++++++++++++++++++++++++++--------
 net/xfrm/xfrm_input.c    |  6 +--
 10 files changed, 192 insertions(+), 44 deletions(-)

--
2.30.2