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c6142e1913
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Jakub Kicinski c6142e1913 Merge branch '10g-qxgmii-for-aqr412c-felix-dsa-and-lynx-pcs-driver' 
Vladimir Oltean says:

====================
10G-QXGMII for AQR412C, Felix DSA and Lynx PCS driver

Introduce the first user of the "10g-qxgmii" phy-mode, since its
introduction from commit 5dfabcdd76 ("dt-bindings: net:
ethernet-controller: add 10g-qxgmii mode").

The arch/arm64/boot/dts/freescale/fsl-ls1028a-qds-13bb.dtso already
exists upstream, but has phy-mode = "usxgmii", which comes from the fact
that the AQR412(C) PHY does not distinguish between the two modes.
Yet, the distinction is crucial for the upcoming SerDes driver for the
LS1028A platform.

The series is comprised of:
- preliminary patches to the Lynx PCS and Felix DSA driver which accept
  the phy-mode and treat it like "usxgmii"
- an ad-hoc whitelisting mechanism in the Aquantia PHY driver based on
  firmware version, which was agreed upon with Marvell, and which serves
  as "detection"
- in-band auto-negotiation capability reporting and configuration. This
  makes sure this feature is enabled in the PHY, because the Lynx PCS
  only works with USXGMII/10G-QXGMII in-band autoneg enabled.

Notably, it lacks a device tree update, which will come later, but
should not be strictly necessary. The expectation is for the Aquantia
PHY driver to pick up "10g-qxgmii" with existing device trees as well,
which it does, except for the slightly confusing "configuring for
inband/usxgmii link mode" initial message. This changes to "configuring
for inband/10g-qxgmii link mode" once phylink gets a chance to pick up
the phydev->interface in its pl->link_config.interface.

$ ip link set swp3 up
mscc_felix 0000:00:00.5 swp3: configuring for inband/usxgmii link mode
mscc_felix 0000:00:00.5 swp3: phylink_mac_config: mode=inband/usxgmii/none adv=0000000,00000000,00008000,0002606c pause=04
mscc_felix 0000:00:00.5 swp3: phylink_phy_change: phy interface 10g-qxgmii link 0
mscc_felix 0000:00:00.5 swp3: phylink_phy_change: phy interface 10g-qxgmii link 1
mscc_felix 0000:00:00.5 swp3: phylink_mac_config: mode=inband/10g-qxgmii/none adv=0000000,00000000,00008000,0002606c pause=00
mscc_felix 0000:00:00.5 swp3: Link is Up - 2.5Gbps/Full - flow control off

$ ip link set swp3 down
mscc_felix 0000:00:00.5 swp3: phylink_phy_change: phy interface 10g-qxgmii link 0
mscc_felix 0000:00:00.5 swp3: Link is Down

$ ip link set swp3 up
mscc_felix 0000:00:00.5 swp3: configuring for inband/10g-qxgmii link mode
mscc_felix 0000:00:00.5 swp3: phylink_mac_config: mode=inband/10g-qxgmii/none adv=0000000,00000000,00008000,0002606c pause=04
mscc_felix 0000:00:00.5 swp3: phylink_phy_change: phy interface 10g-qxgmii link 0
mscc_felix 0000:00:00.5 swp3: phylink_phy_change: phy interface 10g-qxgmii link 1
mscc_felix 0000:00:00.5 swp3: Link is Up - 2.5Gbps/Full - flow control off
====================

Link: https://patch.msgid.link/20250903130730.2836022-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-05 19:03:42 -07:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-09-04 13:33:00 -07:00
block block: validate QoS before calling __rq_qos_done_bio() 2025-08-26 10:34:08 -06:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
Documentation dt-bindings: net: cdns,macb: Add compatible for Raspberry Pi RP1 2025-09-04 18:48:59 -07:00
drivers net: phy: aquantia: support phy-mode = "10g-qxgmii" on NXP SPF-30841 (AQR412C) 2025-09-05 19:03:40 -07:00
fs a ksmbd server fix 2025-09-03 20:44:15 -07:00
include Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-09-04 13:33:00 -07:00
init hardening: Require clang 20.1.0 for __counted_by 2025-08-29 12:04:53 -07:00
io_uring Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-09-04 13:33:00 -07:00
ipc vfs-6.17-rc1.mmap_prepare 2025-07-28 13:43:25 -07:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-09-04 13:33:00 -07:00
lib hardening fixes for v6.17-rc4 2025-08-31 08:56:45 -07:00
LICENSES LICENSES: Replace the obsolete address of the FSF in the GFDL-1.2 2025-07-24 11:15:39 +02:00
mm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-09-04 13:33:00 -07:00
net net: call cond_resched() less often in __release_sock() 2025-09-04 19:16:51 -07:00
rust Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-09-04 13:33:00 -07:00
samples Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
scripts Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-09-04 13:33:00 -07:00
security + Features 2025-08-04 08:17:28 -07:00
sound ALSA: hda/hdmi: Add pin fix for another HP EliteDesk 800 G4 model 2025-09-01 13:51:57 +02:00
tools selftests: ncdevmem: don't retry EFAULT 2025-09-05 18:14:34 -07:00
usr usr/include: openrisc: don't HDRTEST bpf_perf_event.h 2025-05-12 15:03:17 +09:00
virt Merge tag 'kvm-x86-no_assignment-6.17' of https://github.com/kvm-x86/linux into HEAD 2025-07-29 08:36:42 -04:00
.clang-format Linux 6.15-rc5 2025-05-06 16:39:25 +10:00
.clippy.toml rust: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-07 00:11:47 +02:00
.cocciconfig
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore MAINTAINERS: Retire Ralf Baechle 2024-11-12 15:48:59 +01:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore gitignore: allow .pylintrc to be tracked 2025-07-02 17:10:04 -06:00
.mailmap MAINTAINERS: Update Nobuhiro Iwamatsu's email address 2025-09-01 10:36:10 +02:00
.pylintrc docs: add a .pylintrc file with sys path for docs scripts 2025-04-09 12:10:33 -06:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: retire Boris from TLS maintainers 2025-08-26 17:36:01 -07:00
Kbuild drm: ensure drm headers are self-contained and pass kernel-doc 2025-02-12 10:44:43 +02:00
Kconfig io_uring: Rename KConfig to Kconfig 2025-02-19 14:53:27 -07:00
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-09-04 13:33:00 -07:00
Makefile Linux 6.17-rc4 2025-08-31 15:33:07 -07:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.