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33d97a07b3
This change introduces a mechanism for notifying userspace applications about changes to IPv6 anycast addresses via netlink. It includes: * Addition and deletion of IPv6 anycast addresses are reported using RTM_NEWANYCAST and RTM_DELANYCAST. * A new netlink group (RTNLGRP_IPV6_ACADDR) for subscribing to these notifications. This enables user space applications(e.g. ip monitor) to efficiently track anycast addresses through netlink messages, improving metrics collection and system monitoring. It also unlocks the potential for advanced anycast management in user space, such as hardware offload control and fine grained network control. Cc: Maciej Żenczykowski <maze@google.com> Cc: Lorenzo Colitti <lorenzo@google.com> Signed-off-by: Yuyang Huang <yuyanghuang@google.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://patch.msgid.link/20250107114355.1766086-1-yuyanghuang@google.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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.