netdev - [PATCH net-next 0/2] Symmetric OR-XOR RSS hash

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Message-ID: <20250203150039.519301-1-gal@nvidia.com>
Date: Mon, 3 Feb 2025 17:00:37 +0200
From: Gal Pressman <gal@...dia.com>
To: "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>
CC: <netdev@...r.kernel.org>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni
	<pabeni@...hat.com>, Simon Horman <horms@...nel.org>, Jonathan Corbet
	<corbet@....net>, Tony Nguyen <anthony.l.nguyen@...el.com>, Przemek Kitszel
	<przemyslaw.kitszel@...el.com>, Andrew Lunn <andrew+netdev@...n.ch>, "Tariq
 Toukan" <tariqt@...dia.com>, Edward Cree <ecree.xilinx@...il.com>, Ahmed Zaki
	<ahmed.zaki@...el.com>, <linux-doc@...r.kernel.org>, Gal Pressman
	<gal@...dia.com>
Subject: [PATCH net-next 0/2] Symmetric OR-XOR RSS hash

Add support for a new type of input_xfrm: Symmetric OR-XOR.
Symmetric OR-XOR performs hash as follows:
(SRC_IP | DST_IP, SRC_IP ^ DST_IP, SRC_PORT | DST_PORT, SRC_PORT ^ DST_PORT)

Configuration is done through ethtool -x/X command.
For mlx5, the default is already symmetric hash, this patch now exposes
this to userspace and allows enabling/disabling of the feature.

Thanks,
Gal

Gal Pressman (2):
  ethtool: Symmetric OR-XOR RSS hash
  net/mlx5e: Symmetric OR-XOR RSS hash control

 Documentation/networking/ethtool-netlink.rst    |  2 +-
 Documentation/networking/scaling.rst            | 14 ++++++++++----
 drivers/net/ethernet/intel/iavf/iavf_ethtool.c  |  2 +-
 drivers/net/ethernet/intel/ice/ice_ethtool.c    |  2 +-
 .../net/ethernet/mellanox/mlx5/core/en/rss.c    | 13 +++++++++++--
 .../net/ethernet/mellanox/mlx5/core/en/rss.h    |  4 ++--
 .../net/ethernet/mellanox/mlx5/core/en/rx_res.c | 11 ++++++-----
 .../net/ethernet/mellanox/mlx5/core/en/rx_res.h |  5 +++--
 .../net/ethernet/mellanox/mlx5/core/en/tir.c    |  2 +-
 .../net/ethernet/mellanox/mlx5/core/en/tir.h    |  1 +
 .../ethernet/mellanox/mlx5/core/en_ethtool.c    | 17 ++++++++++++++---
 include/linux/ethtool.h                         |  5 ++---
 include/uapi/linux/ethtool.h                    |  7 ++++---
 net/ethtool/ioctl.c                             |  8 ++++----
 14 files changed, 61 insertions(+), 32 deletions(-)

-- 
2.40.1