netdev - [PATCH net-next 0/2][pull request] ethtool: ice: Support for RSS settings to GTP

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Message-ID: <20240306211855.970052-1-anthony.l.nguyen@intel.com>
Date: Wed,  6 Mar 2024 13:18:51 -0800
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: davem@...emloft.net,
	kuba@...nel.org,
	pabeni@...hat.com,
	edumazet@...gle.com,
	netdev@...r.kernel.org
Cc: Tony Nguyen <anthony.l.nguyen@...el.com>,
	hayatake396@...il.com,
	mkubecek@...e.cz,
	vladimir.oltean@....com,
	laforge@...monks.org,
	mailhol.vincent@...adoo.fr
Subject: [PATCH net-next 0/2][pull request] ethtool: ice: Support for RSS settings to GTP

Takeru Hayasaka enables RSS functionality for GTP packets on ice driver
with ethtool.

A user can include TEID and make RSS work for GTP-U over IPv4 by doing the
following:`ethtool -N ens3 rx-flow-hash gtpu4 sde`

In addition to gtpu(4|6), we now support gtpc(4|6),gtpc(4|6)t,gtpu(4|6)e,
gtpu(4|6)u, and gtpu(4|6)d.

gtpc(4|6): Used for GTP-C in IPv4 and IPv6, where the GTP header format does
not include a TEID.
gtpc(4|6)t: Used for GTP-C in IPv4 and IPv6, with a GTP header format that
includes a TEID.
gtpu(4|6): Used for GTP-U in both IPv4 and IPv6 scenarios.
gtpu(4|6)e: Used for GTP-U with extended headers in both IPv4 and IPv6.
gtpu(4|6)u: Used when the PSC (PDU session container) in the GTP-U extended
header includes Uplink, applicable to both IPv4 and IPv6.
gtpu(4|6)d: Used when the PSC in the GTP-U extended header includes Downlink,
for both IPv4 and IPv6.

The following are changes since commit eeb78df4063c0b162324a9408ef573b24791871f:
  inet: Add getsockopt support for IP_ROUTER_ALERT and IPV6_ROUTER_ALERT
and are available in the git repository at:
  git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue 100GbE

Takeru Hayasaka (2):
  ethtool: Add GTP RSS hash options to ethtool.h
  ice: Implement RSS settings for GTP using ethtool

 .../device_drivers/ethernet/intel/ice.rst     | 21 ++++-
 drivers/net/ethernet/intel/ice/ice_ethtool.c  | 82 +++++++++++++++++++
 drivers/net/ethernet/intel/ice/ice_flow.h     | 31 +++++--
 drivers/net/ethernet/intel/ice/ice_lib.c      | 37 +++++++++
 include/uapi/linux/ethtool.h                  | 48 +++++++++++
 5 files changed, 210 insertions(+), 9 deletions(-)

-- 
2.41.0