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Aahil Awatramani 45b70352d1 bonding: Add independent control state machine [ Upstream commit `240fd40552` ] Add support for the independent control state machine per IEEE 802.1AX-2008 5.4.15 in addition to the existing implementation of the coupled control state machine. Introduces two new states, AD_MUX_COLLECTING and AD_MUX_DISTRIBUTING in the LACP MUX state machine for separated handling of an initial Collecting state before the Collecting and Distributing state. This enables a port to be in a state where it can receive incoming packets while not still distributing. This is useful for reducing packet loss when a port begins distributing before its partner is able to collect. Added new functions such as bond_set_slave_tx_disabled_flags and bond_set_slave_rx_enabled_flags to precisely manage the port's collecting and distributing states. Previously, there was no dedicated method to disable TX while keeping RX enabled, which this patch addresses. Note that the regular flow process in the kernel's bonding driver remains unaffected by this patch. The extension requires explicit opt-in by the user (in order to ensure no disruptions for existing setups) via netlink support using the new bonding parameter coupled_control. The default value for coupled_control is set to 1 so as to preserve existing behaviour. Signed-off-by: Aahil Awatramani <aahila@google.com> Reviewed-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://lore.kernel.org/r/20240202175858.1573852-1-aahila@google.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> Stable-dep-of: `0599640a21` ("bonding: send LACPDUs periodically in passive mode after receiving partner's LACPDU") Signed-off-by: Sasha Levin <sashal@kernel.org>		2025-08-28 16:28:49 +02:00
arch	LoongArch: Optimize module load time by optimizing PLT/GOT counting	2025-08-28 16:28:49 +02:00
block	block: reject invalid operation in submit_bio_noacct	2025-08-28 16:28:40 +02:00
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Documentation	bonding: Add independent control state machine	2025-08-28 16:28:49 +02:00
drivers	bonding: Add independent control state machine	2025-08-28 16:28:49 +02:00
fs	use uniform permission checks for all mount propagation changes	2025-08-28 16:28:44 +02:00
include	bonding: Add independent control state machine	2025-08-28 16:28:49 +02:00
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kernel	cgroup/cpuset: Use static_branch_enable_cpuslocked() on cpusets_insane_config_key	2025-08-28 16:28:47 +02:00
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mm	mm/memory-failure: fix infinite UCE for VM_PFNMAP pfn	2025-08-28 16:28:43 +02:00
net	net/sched: Remove unnecessary WARNING condition for empty child qdisc in htb_activate	2025-08-28 16:28:49 +02:00
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sound	ALSA: usb-audio: Fix size validation in convert_chmap_v3()	2025-08-28 16:28:48 +02:00
tools	bonding: Add independent control state machine	2025-08-28 16:28:49 +02:00
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Makefile	kbuild: userprogs: use correct linker when mixing clang and GNU ld	2025-08-28 16:28:42 +02:00
README

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 Restructured Text 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.