netdev - [PATCH v5 0/5] Add driver for 1Gbe network chips from MUCSE

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Message-Id: <20250818112856.1446278-1-dong100@mucse.com>
Date: Mon, 18 Aug 2025 19:28:51 +0800
From: Dong Yibo <dong100@...se.com>
To: andrew+netdev@...n.ch,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	horms@...nel.org,
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	maddy@...ux.ibm.com,
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	lee@...ger.us,
	gongfan1@...wei.com,
	lorenzo@...nel.org,
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	Parthiban.Veerasooran@...rochip.com,
	lukas.bulwahn@...hat.com,
	alexanderduyck@...com,
	richardcochran@...il.com
Cc: netdev@...r.kernel.org,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	dong100@...se.com
Subject: [PATCH v5 0/5] Add driver for 1Gbe network chips from MUCSE

Hi maintainers,

This patch series is v5 to introduce support for MUCSE N500/N210 1Gbps
Ethernet controllers. I divide codes into multiple series, this is the
first one which only register netdev without true tx/rx functions.

The driver has been tested on the following platform:
   - Kernel version: 6.16.0
   - Intel Xeon Processor

Changelog:
v4 -> v5:
  [patch 1/5]:
  1. Remove system state and Wol code.
  [patch 2/5]:
  1. Use define for mbx offset registers.
  2. Remove 'switch (hw->hw_type)' in rnpgbe_add_adapter. 
  3. Remove 'hw->driver_version' in hw structure.
  [patch 3/5]:
  1. Return -EINVAL if 'size > mbx->size' in mucse_read_mbx.
  2. Remove mbx->ops, call the functions directly.
  3. Rewrite mbx_wr32, mbx_rd32.
  [patch 4/5]:
  1. Change laber 'quit' to 'out' in mucse_fw_send_cmd_wait.
  2. Fix 'mucse_mbx_fw_post_req' to follow 'one lock statement and
  3. Use "timeout_jiffies" instead of "timeout_jiffes".
  4. Fix 'pfvfnum' in define structure to improve padding problem.
  5. Fix 'build_phy_abilities_req' pass the same parameter twice.
  6. Use wait_event_timeout, not wait_event_interruptible_timeout.
  7. Move 'build**' functions to .c.
  8. Remove L_WD, do it in the lowest layer.
  9. Add MBX_REQ_HDR_LEN in build**.
  [patch 5/5]:
  1. Remove no-use define dma_wr32.
  2. Rename dma_rd32 to rnpgbe_dma_rd32.
  3. Fix extra indentation in 'rnpgbe_xmit_frame'.
  4. Return -EINVAL if get perm_addr failed in 'rnpgbe_get_permanent_mac'.
  5. Remove flags 'M_FLAGS_INIT_MAC_ADDRESS'.
  6. Remove 'netdev->reg_state' in rnpgbe_rm_adapter.

links:
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
  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    | 117 +++++
 .../net/ethernet/mucse/rnpgbe/rnpgbe_chip.c   | 160 ++++++
 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_hw.h |  26 +
 .../net/ethernet/mucse/rnpgbe/rnpgbe_main.c   | 310 +++++++++++
 .../net/ethernet/mucse/rnpgbe/rnpgbe_mbx.c    | 481 ++++++++++++++++++
 .../net/ethernet/mucse/rnpgbe/rnpgbe_mbx.h    |  31 ++
 .../net/ethernet/mucse/rnpgbe/rnpgbe_mbx_fw.c | 333 ++++++++++++
 .../net/ethernet/mucse/rnpgbe/rnpgbe_mbx_fw.h | 155 ++++++
 16 files changed, 1697 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