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net/mlx5: Accel, Add TLS tx offload interface

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Add routines for manipulating TLS TX offload contexts.

In Innova TLS, TLS contexts are added or deleted
via a command message over the SBU connection.
The HW then sends a response message over the same connection.

Add implementation for Innova TLS (FPGA-based) hardware.

These routines will be used by the TLS offload support in a later patch

mlx5/accel is a middle acceleration layer to allow mlx5e and other ULPs
to work directly with mlx5_core rather than Innova FPGA or other mlx5
acceleration providers.

In the future, when IPSec/TLS or any other acceleration gets integrated
into ConnectX chip, mlx5/accel layer will provide the integrated
acceleration, rather than the Innova one.

Signed-off-by: Ilya Lesokhin <ilyal@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilya Lesokhin 2018-04-30 10:16:18 +03:00 • committed by David S. Miller
commit 1ae1732284
9 changed files with 878 additions and 18 deletions
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