netdev - Re: [PATCH mlx5-next 4/5] net/mlx5: Remove tls vs. ktls separation as it is the same

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Date:   Tue, 5 Apr 2022 08:43:17 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Saeed Mahameed <saeed@...nel.org>
Cc:     Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>, linux-kernel@...r.kernel.org,
        linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
        Saeed Mahameed <saeedm@...dia.com>,
        Tariq Toukan <tariqt@...dia.com>
Subject: Re: [PATCH mlx5-next 4/5] net/mlx5: Remove tls vs. ktls separation
 as it is the same

On Mon, Apr 04, 2022 at 05:33:22PM -0700, Saeed Mahameed wrote:
> On 04 Apr 15:08, Leon Romanovsky wrote:
> > From: Leon Romanovsky <leonro@...dia.com>
> > 
> > After removal FPGA TLS, we can remove tls->ktls indirection too,
> > as it is the same thing.
> > 
> > Reviewed-by: Tariq Toukan <tariqt@...dia.com>
> > Signed-off-by: Leon Romanovsky <leonro@...dia.com>
> > ---
> > .../net/ethernet/mellanox/mlx5/core/Makefile  |  2 +-
> > .../ethernet/mellanox/mlx5/core/en/params.c   |  2 +-
> > .../mellanox/mlx5/core/en_accel/en_accel.h    | 11 +--
> > .../mellanox/mlx5/core/en_accel/ktls.c        | 22 ++++-
> > .../mellanox/mlx5/core/en_accel/ktls.h        | 32 +++++++
> > .../mellanox/mlx5/core/en_accel/ktls_rx.c     |  2 +-
> > .../en_accel/{tls_stats.c => ktls_stats.c}    | 38 ++++-----
> > .../mellanox/mlx5/core/en_accel/ktls_tx.c     | 18 +++-
> > .../mellanox/mlx5/core/en_accel/ktls_txrx.h   | 28 +++++-
> > .../mellanox/mlx5/core/en_accel/tls.c         | 70 ---------------
> > .../mellanox/mlx5/core/en_accel/tls.h         | 85 -------------------
> > .../mellanox/mlx5/core/en_accel/tls_rxtx.c    | 70 ---------------
> > .../mellanox/mlx5/core/en_accel/tls_rxtx.h    | 85 -------------------
> > .../net/ethernet/mellanox/mlx5/core/en_main.c |  8 +-
> > .../net/ethernet/mellanox/mlx5/core/en_rx.c   |  5 +-
> > .../ethernet/mellanox/mlx5/core/en_stats.c    |  8 +-
> > 16 files changed, 130 insertions(+), 356 deletions(-)
> > rename drivers/net/ethernet/mellanox/mlx5/core/en_accel/{tls_stats.c => ktls_stats.c} (76%)
> 
> Why not ktls_*.c => tls_*.c ?

Mostly because other drivers use _ktls_ name for this type of functionality.
Plus internally, Tariq suggested to squash everything into ktls.

> 
> Since we now have one TLS implementation, it would've been easier to maybe
> repurpose TLS to be KTLS only and avoid renaming every TLS to KTLS in all
> functions and files.
> 
> So just keep tls.c and all mlx5_tls_xyz functions and implement ktls
> directly in them, the renaming will be done only on the ktls implementation
> part of the code rather than in every caller.

Should I do it or keep this patch as is?

Thanks

> 
> > delete mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
> > delete mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h
> > delete mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
> > delete mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.h
> > 
>