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From: Raslan Darawsheh <rasland@mellanox.com>
To: Slava Ovsiienko <viacheslavo@mellanox.com>, "dev@dpdk.org" <dev@dpdk.org>
CC: Matan Azrad <matan@mellanox.com>, Ori Kam <orika@mellanox.com>
Thread-Topic: [PATCH v2 0/4] net/mlx5: remove Tx descriptor reserved field
 usage
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Date: Thu, 9 Jan 2020 14:22:10 +0000
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Subject: Re: [dpdk-dev] [PATCH v2 0/4] net/mlx5: remove Tx descriptor
 reserved field usage
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Hi,

Series applied on next-net-mlx,

Kindest regards,
Raslan Darawsheh

> -----Original Message-----
> From: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
> Sent: Thursday, January 9, 2020 12:56 PM
> To: dev@dpdk.org
> Cc: Matan Azrad <matan@mellanox.com>; Raslan Darawsheh
> <rasland@mellanox.com>; Ori Kam <orika@mellanox.com>
> Subject: [PATCH v2 0/4] net/mlx5: remove Tx descriptor reserved field usa=
ge
>=20
> The current Tx datapath implementation in mlx5 PMD uses the 16-bit
> reserved field within transmit descriptor to store the indices of the elt=
s array
> keeping the mbuf pointers to be freed on transmit completion. On
> completion PMD fetches the descriptor index, then fetches the elts array
> index from reserved field and frees the mbufs.
>=20
> The new ConnectX-6DX NIC might use this reserved descriptor field and
> existing implementation might not work in intended way.
> To resolve this issue the dedicated buffer is introduced to store indices=
 to
> instead of descriptor field.
>=20
> Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
>=20
> Viacheslav Ovsiienko (4):
>   net/mlx5: move Tx complete request routine
>   net/mlx5: update Tx error handling routine
>   net/mlx5: add free on completion queue
>   net/mlx5: engage free on completion queue
>=20
>  drivers/net/mlx5/mlx5_rxtx.c | 153 ++++++++++++++++++++-----------------
> ------
>  drivers/net/mlx5/mlx5_rxtx.h |  13 ++--  drivers/net/mlx5/mlx5_txq.c  | =
 19
> +++++-
>  3 files changed, 94 insertions(+), 91 deletions(-)
>=20
> --
> v1:
> https://eur03.safelinks.protection.outlook.com/?url=3Dhttp%3A%2F%2Fpatch
> es.dpdk.org%2Fcover%2F64293%2F&amp;data=3D02%7C01%7Crasland%40mell
> anox.com%7C56986b5d3d3c46f2725b08d794f297e6%7Ca652971c7d2e4d9ba6
> a4d149256f461b%7C0%7C0%7C637141641963098885&amp;sdata=3DRP4VgjCQlp
> oJc5J38aajK9Rr8twtJ4d%2FSVP2JxM5C98%3D&amp;reserved=3D0
> v2: resolve minor compilation per patch issues
>=20
> 1.8.3.1