netdev - [PATCH iwl-next v1 00/17] iavf and ice: GTP RSS support and flow enhancements

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Message-ID: <20250717142859.3346899-1-aleksandr.loktionov@intel.com>
Date: Thu, 17 Jul 2025 14:28:42 +0000
From: Aleksandr Loktionov <aleksandr.loktionov@...el.com>
To: aleksandr.loktionov@...el.com,
	netdev@...r.kernel.org
Cc: intel-wired-lan@...ts.osuosl.org
Subject: [PATCH iwl-next v1 00/17] iavf and ice: GTP RSS support and flow enhancements

This patch series introduces support for Receive Side Scaling (RSS)
configuration of GTP (GPRS Tunneling Protocol) flows via the ethtool
interface on virtual function (VF) interfaces in the iavf driver.

The implementation enables fine-grained traffic distribution for
GTP-based mobile workloads, including GTPC and GTPU encapsulations, by
extending the advanced RSS infrastructure. This is particularly beneficial
for virtualized network functions (VNFs) and user plane functions (UPFs)
in 5G and LTE deployments.

Key features:
- Adds new RSS flow segment headers and hash field definitions for GTP
  protocols.
- Enhances ethtool parsing logic to support GTP-specific flow types.
- Updates the virtchnl interface to propagate GTP RSS configuration to PF.
- Extends the ICE driver to support GTP RSS configuration for VFs.

Patch breakdown:
  01: Add GTP RSS support in iavf driver
  02..17: Extend ICE driver and protocol definitions to support GTP RSS for VFs

Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>