netdev - [PATCH net-next 0/2] TLS TX HW offload for Bond

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Message-Id: <20201115134251.4272-1-tariqt@nvidia.com>
Date:   Sun, 15 Nov 2020 15:42:49 +0200
From:   Tariq Toukan <tariqt@...dia.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, Saeed Mahameed <saeedm@...dia.com>,
        Moshe Shemesh <moshe@...dia.com>,
        Tariq Toukan <ttoukan.linux@...il.com>,
        Tariq Toukan <tariqt@...dia.com>
Subject: [PATCH net-next 0/2] TLS TX HW offload for Bond

Hi,

This series opens TLS TX HW offload for bond interfaces.
This allows bond interfaces to benefit from capable slave devices.

The first patch adds real_dev field in TLS context structure, and aligns
usages in TLS module and supporting drivers.
The second patch opens the offload for bond interfaces.

For the configuration above, SW kTLS keeps picking the same slave
To keep simple track of the HW and SW TLS contexts, we bind each socket to
a specific slave for the socket's whole lifetime. This is logically valid
(and similar to the SW kTLS behavior) in the following bond configuration, 
so we restrict the offload support to it:

((mode == balance-xor) or (mode == 802.3ad))
and xmit_hash_policy == layer3+4.

Regards,
Tariq

Tariq Toukan (2):
  net/tls: Add real_dev field to TLS context
  bond: Add TLS TX offload support

 drivers/net/bonding/bond_main.c               | 203 +++++++++++++++++-
 drivers/net/bonding/bond_options.c            |  10 +-
 .../chelsio/inline_crypto/ch_ktls/chcr_ktls.c |   2 +-
 .../mellanox/mlx5/core/en_accel/tls_rxtx.c    |   2 +-
 include/net/bonding.h                         |   4 +
 include/net/tls.h                             |   1 +
 net/tls/tls_device.c                          |   2 +
 net/tls/tls_device_fallback.c                 |   2 +-
 8 files changed, 216 insertions(+), 10 deletions(-)

-- 
2.21.0