linux-kernel - Re: [PATCH v4 net-next] net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)

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Message-ID: <YHP6s2zagD67Xr0z@unreal>
Date:   Mon, 12 Apr 2021 10:45:55 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Dexuan Cui <decui@...rosoft.com>
Cc:     davem@...emloft.net, kuba@...nel.org, kys@...rosoft.com,
        haiyangz@...rosoft.com, sthemmin@...rosoft.com, wei.liu@...nel.org,
        liuwe@...rosoft.com, netdev@...r.kernel.org, andrew@...n.ch,
        bernd@...rovitsch.priv.at, rdunlap@...radead.org,
        shacharr@...rosoft.com, linux-kernel@...r.kernel.org,
        linux-hyperv@...r.kernel.org
Subject: Re: [PATCH v4 net-next] net: mana: Add a driver for Microsoft Azure
 Network Adapter (MANA)

On Sun, Apr 11, 2021 at 07:34:55PM -0700, Dexuan Cui wrote:
> Add a VF driver for Microsoft Azure Network Adapter (MANA) that will be
> available in the future.
> 
> Co-developed-by: Haiyang Zhang <haiyangz@...rosoft.com>
> Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
> Co-developed-by: Shachar Raindel <shacharr@...rosoft.com>
> Signed-off-by: Shachar Raindel <shacharr@...rosoft.com>
> Signed-off-by: Dexuan Cui <decui@...rosoft.com>
> ---
>  MAINTAINERS                                   |    4 +-
>  drivers/net/ethernet/Kconfig                  |    1 +
>  drivers/net/ethernet/Makefile                 |    1 +
>  drivers/net/ethernet/microsoft/Kconfig        |   29 +
>  drivers/net/ethernet/microsoft/Makefile       |    5 +
>  drivers/net/ethernet/microsoft/mana/Makefile  |    6 +
>  drivers/net/ethernet/microsoft/mana/gdma.h    |  728 +++++++
>  .../net/ethernet/microsoft/mana/gdma_main.c   | 1525 +++++++++++++
>  .../net/ethernet/microsoft/mana/hw_channel.c  |  854 ++++++++
>  .../net/ethernet/microsoft/mana/hw_channel.h  |  190 ++
>  drivers/net/ethernet/microsoft/mana/mana.h    |  549 +++++
>  drivers/net/ethernet/microsoft/mana/mana_en.c | 1924 +++++++++++++++++
>  .../ethernet/microsoft/mana/mana_ethtool.c    |  252 +++
>  .../net/ethernet/microsoft/mana/shm_channel.c |  298 +++
>  .../net/ethernet/microsoft/mana/shm_channel.h |   21 +
>  15 files changed, 6386 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/net/ethernet/microsoft/Kconfig
>  create mode 100644 drivers/net/ethernet/microsoft/Makefile
>  create mode 100644 drivers/net/ethernet/microsoft/mana/Makefile
>  create mode 100644 drivers/net/ethernet/microsoft/mana/gdma.h
>  create mode 100644 drivers/net/ethernet/microsoft/mana/gdma_main.c
>  create mode 100644 drivers/net/ethernet/microsoft/mana/hw_channel.c
>  create mode 100644 drivers/net/ethernet/microsoft/mana/hw_channel.h
>  create mode 100644 drivers/net/ethernet/microsoft/mana/mana.h
>  create mode 100644 drivers/net/ethernet/microsoft/mana/mana_en.c
>  create mode 100644 drivers/net/ethernet/microsoft/mana/mana_ethtool.c
>  create mode 100644 drivers/net/ethernet/microsoft/mana/shm_channel.c
>  create mode 100644 drivers/net/ethernet/microsoft/mana/shm_channel.h
> 

<...>

> +/* Microsoft Azure Network Adapter (MANA)'s definitions
> + *
> + * Structures labeled with "HW DATA" are exchanged with the hardware. All of
> + * them are naturally aligned and hence don't need __packed.
> + */
> +
> +#define ANA_MAJOR_VERSION	0
> +#define ANA_MINOR_VERSION	1
> +#define ANA_MICRO_VERSION	1

Please don't introduce drier versions.

Thanks