netdev - [PATCH net-next v4 0/3] nfp: IPsec offload support

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Date:   Thu, 17 Nov 2022 14:20:59 +0100
From:   Simon Horman <simon.horman@...igine.com>
To:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Steffen Klassert <steffen.klassert@...unet.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Leon Romanovsky <leon@...nel.org>,
        Chentian Liu <chengtian.liu@...igine.com>,
        Huanhuan Wang <huanhuan.wang@...igine.com>,
        Yinjun Zhang <yinjun.zhang@...igine.com>,
        Louis Peens <louis.peens@...igine.com>, netdev@...r.kernel.org,
        oss-drivers@...igine.com
Subject: [PATCH net-next v4 0/3] nfp: IPsec offload support

Huanhuan Wang says:

this series adds support for IPsec offload to the NFP driver.

It covers three enhancements:

1. Patches 1/3:
   - Extend the capability word and control word to to support
     new features.

2. Patch 2/3:
   - Add framework to support IPsec offloading for NFP driver,
     but IPsec offload control plane interface xfrm callbacks which
     interact with upper layer are not implemented in this patch.

3. Patch 3/3:
   - IPsec control plane interface xfrm callbacks are implemented
     in this patch.

Changes since v3
* Remove structure fields that describe firmware but
  are not used for Kernel offload
* Add WARN_ON(!xa_empty()) before call to xa_destroy()
* Added helpers for hash methods

Changes since v2
* OFFLOAD_HANDLE_ERROR macro and the associated code removed
* Unnecessary logging removed
* Hook function xdo_dev_state_free in struct xfrmdev_ops removed
* Use Xarray to maintain SA entries

Changes since v1
* Explicitly return failure when XFRM_STATE_ESN is set
* Fix the issue that AEAD algorithm is not correctly offloaded

Huanhuan Wang (2):
  nfp: add framework to support ipsec offloading
  nfp: implement xfrm callbacks and expose ipsec offload feature to
    upper layer

Yinjun Zhang (1):
  nfp: extend capability and control words

 drivers/net/ethernet/netronome/Kconfig        |  11 +
 drivers/net/ethernet/netronome/nfp/Makefile   |   2 +
 .../ethernet/netronome/nfp/crypto/crypto.h    |  23 +
 .../net/ethernet/netronome/nfp/crypto/ipsec.c | 587 ++++++++++++++++++
 drivers/net/ethernet/netronome/nfp/nfd3/dp.c  |  58 +-
 .../net/ethernet/netronome/nfp/nfd3/ipsec.c   |  18 +
 .../net/ethernet/netronome/nfp/nfd3/nfd3.h    |   8 +
 drivers/net/ethernet/netronome/nfp/nfp_net.h  |  11 +
 .../ethernet/netronome/nfp/nfp_net_common.c   |  10 +
 .../net/ethernet/netronome/nfp/nfp_net_ctrl.h |  22 +-
 10 files changed, 735 insertions(+), 15 deletions(-)
 create mode 100644 drivers/net/ethernet/netronome/nfp/crypto/ipsec.c
 create mode 100644 drivers/net/ethernet/netronome/nfp/nfd3/ipsec.c

-- 
2.30.2