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Message-ID: <20240326110709.26165-1-diogo.ivo@siemens.com>
Date: Tue, 26 Mar 2024 11:06:50 +0000
From: Diogo Ivo <diogo.ivo@...mens.com>
To: danishanwar@...com,
	rogerq@...nel.org,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	andrew@...n.ch,
	dan.carpenter@...aro.org,
	jacob.e.keller@...el.com,
	robh@...nel.org,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	vigneshr@...com,
	wsa+renesas@...g-engineering.com,
	hkallweit1@...il.com,
	arnd@...db.de,
	vladimir.oltean@....com,
	linux-arm-kernel@...ts.infradead.org,
	netdev@...r.kernel.org,
	devicetree@...r.kernel.org
Cc: Diogo Ivo <diogo.ivo@...mens.com>,
	jan.kiszka@...mens.com
Subject: [PATCH net-next v5 00/10] Support ICSSG-based Ethernet on AM65x SR1.0 devices

Hello,

This series extends the current ICSSG-based Ethernet driver to support
AM65x Silicon Revision 1.0 devices.

Notable differences between the Silicon Revisions are that there is
no TX core in SR1.0 with this being handled by the firmware, requiring
extra DMA channels to manage communication with the firmware (with the
firmware being different as well) and in the packet classifier.

The motivation behind it is that a significant number of Siemens
devices containing SR1.0 silicon have been deployed in the field
and need to be supported and updated to newer kernel versions
without losing functionality.

This series is based on TI's 5.10 SDK [1].

The fourth version of this patch series can be found in [2].

Detailed descriptions of the changes in this series can be found in
each commit's message.

Both of the problems mentioned in v4 have been addressed by disabling
those functionalities, meaning that this driver currently only supports
one TX queue and does not support a 100Mbit/s half-duplex connection.
The removal of these features has been commented in the appropriate 
locations in the code.

[1]: https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel/tree/?h=ti-linux-5.10.y
[2]: https://lore.kernel.org/netdev/20240305114045.388893-1-diogo.ivo@siemens.com/

Diogo Ivo (10):
  dt-bindings: net: Add support for AM65x SR1.0 in ICSSG
  eth: Move IPv4/IPv6 multicast address bases to their own symbols
  net: ti: icssg-prueth: Move common functions into a separate file
  net: ti: icssg-prueth: Add SR1.0-specific configuration bits
  net: ti: icssg-prueth: Add SR1.0-specific description bits
  net: ti: icssg-prueth: Adjust IPG configuration for SR1.0
  net: ti: icssg-prueth: Adjust the number of TX channels for SR1.0
  net: ti: icssg-prueth: Add functions to configure SR1.0 packet
    classifier
  net: ti: icssg-prueth: Modify common functions for SR1.0
  net: ti: icssg-prueth: Add ICSSG Ethernet driver for AM65x SR1.0
    platforms

 .../bindings/net/ti,icssg-prueth.yaml         |   35 +-
 drivers/net/ethernet/ti/Kconfig               |   15 +
 drivers/net/ethernet/ti/Makefile              |    9 +
 .../net/ethernet/ti/icssg/icssg_classifier.c  |  113 +-
 drivers/net/ethernet/ti/icssg/icssg_common.c  | 1221 +++++++++++++++++
 drivers/net/ethernet/ti/icssg/icssg_config.c  |   14 +-
 drivers/net/ethernet/ti/icssg/icssg_config.h  |   56 +
 drivers/net/ethernet/ti/icssg/icssg_ethtool.c |   10 +
 drivers/net/ethernet/ti/icssg/icssg_prueth.c  | 1189 +---------------
 drivers/net/ethernet/ti/icssg/icssg_prueth.h  |   79 +-
 .../net/ethernet/ti/icssg/icssg_prueth_sr1.c  | 1181 ++++++++++++++++
 include/linux/etherdevice.h                   |   12 +-
 12 files changed, 2724 insertions(+), 1210 deletions(-)
 create mode 100644 drivers/net/ethernet/ti/icssg/icssg_common.c
 create mode 100644 drivers/net/ethernet/ti/icssg/icssg_prueth_sr1.c

-- 
2.44.0


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