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=== Microchip LAN743x mgb(4) Device Driver
Links: +
link:https://cgit.freebsd.org/src/commit/?id=8890ab7758b8a03a68f3fe596f6a5446921631a5[Commit adding mgb(4) driver] URL: https://cgit.freebsd.org/src/commit/?id=8890ab7758b8a03a68f3fe596f6a5446921631a5 +
link:https://cgit.freebsd.org/src/commit/?id=543df609072fe49079c36d6bee510e1645edde3a[Commit connecting mgb(4) module to the build] URL: https://cgit.freebsd.org/src/commit/?id=543df609072fe49079c36d6bee510e1645edde3a
Contact: Ed Maste <emaste@freebsd.org>
Microchip's LAN7430 and LAN7431 are PCIe Gigabit Ethernet interface ICs, with
an integrated PHY (LAN7430) or RGMII interface (LAN7431).
In 2019 Gerald ND Aryeetey, a FreeBSD Foundation intern, developed the mgb(4)
driver for these devices. It was added to the tree but not yet connected to
the build. Since it was committed a number of sweeping iflib changes were made,
which included updates to mgb(4).
I have addressed some outstanding issues in the driver, and have now added the
module to the build. It is available in -CURRENT snapshot images. The driver
is functional, although some additional work is still needed. In particular,
configuration of the Receive Filtering Engine, and VLAN and RX/TX checksum
offload are required. Caveats and notes are described in the man page.
I am very interested in feedback and test results.
Sponsor: The FreeBSD Foundation
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