linux-kernel - [PATCH net-next v7 00/12] add DCB and DSCP support for KSZ switches

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Message-Id: <20240503131351.1969097-1-o.rempel@pengutronix.de>
Date: Fri,  3 May 2024 15:13:39 +0200
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: "David S. Miller" <davem@...emloft.net>,
	Andrew Lunn <andrew@...n.ch>,
	Eric Dumazet <edumazet@...gle.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Vladimir Oltean <olteanv@...il.com>,
	Woojung Huh <woojung.huh@...rochip.com>,
	Arun Ramadoss <arun.ramadoss@...rochip.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>,
	kernel@...gutronix.de,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	UNGLinuxDriver@...rochip.com,
	David Ahern <dsahern@...nel.org>,
	Simon Horman <horms@...nel.org>,
	Willem de Bruijn <willemb@...gle.com>,
	Søren Andersen <san@...v.dk>
Subject: [PATCH net-next v7 00/12] add DCB and DSCP support for KSZ switches 

This patch series is aimed at improving support for DCB (Data Center
Bridging) and DSCP (Differentiated Services Code Point) on KSZ switches.

The main goal is to introduce global DSCP and PCP (Priority Code Point)
mapping support, addressing the limitation of KSZ switches not having
per-port DSCP priority mapping. This involves extending the DSA
framework with new callbacks for managing trust settings for global DSCP
and PCP maps. Additionally, we introduce IEEE 802.1q helpers for default
configurations, benefiting other drivers too.

Change logs are in separate patches.

Compared to v6 this series includes some new patches for DSCP global
mapping support and QoS selftest script for KSZ9477 switches.

Oleksij Rempel (12):
  net: dsa: add support for DCB get/set apptrust configuration
  net: dsa: microchip: add IPV information support
  net: add IEEE 802.1q specific helpers
  net: dsa: microchip: add multi queue support for KSZ88X3 variants
  net: dsa: microchip: add support for different DCB app configurations
  net: dsa: microchip: dcb: add special handling for KSZ88X3 family
  net: dsa: microchip: enable ETS support for KSZ989X variants
  net: dsa: microchip: init predictable IPV to queue mapping for all non
    KSZ8xxx variants
  net: dsa: microchip: let DCB code do PCP and DSCP policy configuration
  net: dsa: add support switches global DSCP priority mapping
  net: dsa: microchip: add support DSCP priority mapping
  selftests: microchip: add test for QoS support on KSZ9477 switch
    family

 drivers/net/dsa/microchip/Kconfig             |   2 +
 drivers/net/dsa/microchip/Makefile            |   2 +-
 drivers/net/dsa/microchip/ksz8.h              |   1 +
 drivers/net/dsa/microchip/ksz8795.c           | 106 ++-
 drivers/net/dsa/microchip/ksz8795_reg.h       |   9 +-
 drivers/net/dsa/microchip/ksz9477.c           |   6 -
 drivers/net/dsa/microchip/ksz_common.c        | 103 ++-
 drivers/net/dsa/microchip/ksz_common.h        |  11 +-
 drivers/net/dsa/microchip/ksz_dcb.c           | 793 ++++++++++++++++++
 drivers/net/dsa/microchip/ksz_dcb.h           |  23 +
 include/net/dsa.h                             |  13 +
 include/net/dscp.h                            |  76 ++
 include/net/ieee8021q.h                       |  57 ++
 net/Kconfig                                   |   3 +
 net/core/Makefile                             |   1 +
 net/core/ieee8021q_helpers.c                  | 242 ++++++
 net/dsa/user.c                                | 103 +++
 .../drivers/net/microchip/ksz9477_qos.sh      | 668 +++++++++++++++
 18 files changed, 2133 insertions(+), 86 deletions(-)
 create mode 100644 drivers/net/dsa/microchip/ksz_dcb.c
 create mode 100644 drivers/net/dsa/microchip/ksz_dcb.h
 create mode 100644 include/net/dscp.h
 create mode 100644 include/net/ieee8021q.h
 create mode 100644 net/core/ieee8021q_helpers.c
 create mode 100755 tools/testing/selftests/drivers/net/microchip/ksz9477_qos.sh

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