netdev - [PATCH net-next v1 0/5] add ethernet driver for Tehuti Networks TN40xx chips

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Message-Id: <20240415104352.4685-1-fujita.tomonori@gmail.com>
Date: Mon, 15 Apr 2024 19:43:47 +0900
From: FUJITA Tomonori <fujita.tomonori@...il.com>
To: netdev@...r.kernel.org
Cc: andrew@...n.ch
Subject: [PATCH net-next v1 0/5] add ethernet driver for Tehuti Networks TN40xx chips

This patchset adds a new 10G ethernet driver for Tehuti Networks
TN40xx chips. Note in mainline, there is a driver for Tehuti Networks
(drivers/net/ethernet/tehuti/tehuti.[hc]), which supports TN30xx
chips.

Multiple vendors (DLink, Asus, Edimax, QNAP, etc) developed adapters
based on TN40xx chips. Tehuti Networks went out of business but the
drivers are still distributed with some of the hardware (and also
available on some sites). With some changes, I try to upstream this
driver with a new PHY driver in Rust.

The major change is replacing a PHY abstraction layer with
PHYLIB. TN40xx chips are used with various PHY hardware (AMCC QT2025,
TI TLK10232, Aqrate AQR105, and Marvell MV88X3120, MV88X3310, and
MV88E2010). So the original driver has the own PHY abstraction layer
to handle them.

I'll submit a new PHY driver for QT2025 in Rust shortly. For now, I
enable only adapters using QT2025 PHY in the PCI ID table of this
driver. I've tested this driver and the QT2025 PHY driver with Edimax
EN-9320 10G adapter. In mainline, there are PHY drivers for AQR105 and
Marvell PHYs, which could work for some TN40xx adapters with this
driver.

The other changes are replacing the embedded firmware in a header file
with the firmware APIs, handling dma mapping errors, removing many
ifdef, fixing lots of style issues, etc.

To make reviewing easier, this patchset has only basic functions. Once
merged, I'll submit features like ethtool support.

FUJITA Tomonori (5):
  net: tn40xx: add pci driver for Tehuti Networks TN40xx chips
  net: tn40xx: add register defines
  net: tn40xx: add basic Tx handling
  net: tn40xx: add basic Rx handling
  net: tn40xx: add PHYLIB support

 MAINTAINERS                             |    8 +-
 drivers/net/ethernet/tehuti/Kconfig     |   14 +
 drivers/net/ethernet/tehuti/Makefile    |    3 +
 drivers/net/ethernet/tehuti/tn40.c      | 1981 +++++++++++++++++++++++
 drivers/net/ethernet/tehuti/tn40.h      |  291 ++++
 drivers/net/ethernet/tehuti/tn40_mdio.c |  141 ++
 drivers/net/ethernet/tehuti/tn40_regs.h |  279 ++++
 7 files changed, 2716 insertions(+), 1 deletion(-)
 create mode 100644 drivers/net/ethernet/tehuti/tn40.c
 create mode 100644 drivers/net/ethernet/tehuti/tn40.h
 create mode 100644 drivers/net/ethernet/tehuti/tn40_mdio.c
 create mode 100644 drivers/net/ethernet/tehuti/tn40_regs.h

base-commit: 32affa5578f0e6b9abef3623d3976395afbd265c
-- 
2.34.1