linux-kernel - [PATCH net-next v12 0/5] Add driver for 1Gbe network chips from MUCSE

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Message-Id: <20250916112952.26032-1-dong100@mucse.com>
Date: Tue, 16 Sep 2025 19:29:47 +0800
From: Dong Yibo <dong100@...se.com>
To: andrew+netdev@...n.ch,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
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Cc: netdev@...r.kernel.org,
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	dong100@...se.com
Subject: [PATCH net-next v12 0/5] Add driver for 1Gbe network chips from MUCSE

Hi maintainers,

This patch series adds support for MUCSE RNPGBE 1Gbps PCIe Ethernet controllers
(N500/N210 series), including build infrastructure, hardware initialization,
mailbox (MBX) communication with firmware, and basic netdev registration
(Can show mac witch is got from firmware, and tx/rx will be added later).

Series breakdown (5 patches):
 01/05: net: ethernet/mucse: Add build support for rnpgbe
       - Kconfig/Makefile for MUCSE vendor, basic PCI probe (no netdev)
 02/05: net: ethernet/mucse: Add N500/N210 chip support
       - netdev allocation, BAR mapping
 03/05: net: ethernet/mucse: Add basic MBX ops for PF-FW communication
       - base read/write, write with poll ack, poll and read data
 04/05: net: ethernet/mucse: Add FW commands (sync, reset, MAC query)
       - FW sync retry logic, MAC address retrieval, reset hw with
         base mbx ops in patch4
 05/05: net: ethernet/mucse: Complete netdev registration
       - HW reset, MAC setup, netdev_ops registration

Changelog:
v11 -> v12:
  [patch 3/5]:
  1. fix switch code style.
  2. rename mbx struct define 'timeout_cnt to timeout_us',
     'usec_delay to delay_us'.
  [patch 4/5]:
  1. update function mucse_mbx_sync_fw.
  [patch 5/5]:
  1. update commit for rnpgbe_xmit_frame.
  2. update define position for 'struct mucse_hw_operations'.
  3. remove struct dma.

links:
v11: https://lore.kernel.org/netdev/20250909120906.1781444-1-dong100@mucse.com/
v10: https://lore.kernel.org/netdev/20250903025430.864836-1-dong100@mucse.com/
v9 : https://lore.kernel.org/netdev/20250828025547.568563-1-dong100@mucse.com/
v8 : https://lore.kernel.org/netdev/20250827034509.501980-1-dong100@mucse.com/
v7 : https://lore.kernel.org/netdev/20250822023453.1910972-1-dong100@mucse.com
v6 : https://lore.kernel.org/netdev/20250820092154.1643120-1-dong100@mucse.com/
v5 : https://lore.kernel.org/netdev/20250818112856.1446278-1-dong100@mucse.com/
v4 : https://lore.kernel.org/netdev/20250814073855.1060601-1-dong100@mucse.com/
v3 : https://lore.kernel.org/netdev/20250812093937.882045-1-dong100@mucse.com/
v2 : https://lore.kernel.org/netdev/20250721113238.18615-1-dong100@mucse.com/
v1 : https://lore.kernel.org/netdev/20250703014859.210110-1-dong100@mucse.com/

Dong Yibo (5):
  net: rnpgbe: Add build support for rnpgbe
  net: rnpgbe: Add n500/n210 chip support with BAR2 mapping
  net: rnpgbe: Add basic mbx ops support
  net: rnpgbe: Add basic mbx_fw support
  net: rnpgbe: Add register_netdev

 .../device_drivers/ethernet/index.rst         |   1 +
 .../device_drivers/ethernet/mucse/rnpgbe.rst  |  21 +
 MAINTAINERS                                   |   8 +
 drivers/net/ethernet/Kconfig                  |   1 +
 drivers/net/ethernet/Makefile                 |   1 +
 drivers/net/ethernet/mucse/Kconfig            |  34 ++
 drivers/net/ethernet/mucse/Makefile           |   7 +
 drivers/net/ethernet/mucse/rnpgbe/Makefile    |  11 +
 drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h    |  75 ++++
 .../net/ethernet/mucse/rnpgbe/rnpgbe_chip.c   | 150 +++++++
 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_hw.h |  17 +
 .../net/ethernet/mucse/rnpgbe/rnpgbe_main.c   | 311 +++++++++++++
 .../net/ethernet/mucse/rnpgbe/rnpgbe_mbx.c    | 421 ++++++++++++++++++
 .../net/ethernet/mucse/rnpgbe/rnpgbe_mbx.h    |  20 +
 .../net/ethernet/mucse/rnpgbe/rnpgbe_mbx_fw.c | 246 ++++++++++
 .../net/ethernet/mucse/rnpgbe/rnpgbe_mbx_fw.h | 121 +++++
 16 files changed, 1445 insertions(+)
 create mode 100644 Documentation/networking/device_drivers/ethernet/mucse/rnpgbe.rst
 create mode 100644 drivers/net/ethernet/mucse/Kconfig
 create mode 100644 drivers/net/ethernet/mucse/Makefile
 create mode 100644 drivers/net/ethernet/mucse/rnpgbe/Makefile
 create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h
 create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_chip.c
 create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_hw.h
 create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c
 create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_mbx.c
 create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_mbx.h
 create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_mbx_fw.c
 create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_mbx_fw.h

-- 
2.25.1