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In ip6_route_multipath_add(), we call rt6_qualify_for_ecmp() for each entry. If it returns false, the request fails. rt6_qualify_for_ecmp() returns false if either of the conditions below is true: 1. f6i->fib6_flags has RTF_ADDRCONF 2. f6i->nh is not NULL 3. f6i->fib6_nh->fib_nh_gw_family is AF_UNSPEC 1 is unnecessary because rtm_to_fib6_config() never sets RTF_ADDRCONF to cfg->fc_flags. 2. is equivalent with cfg->fc_nh_id. 3. can be replaced by checking RTF_GATEWAY in the base and each multipath entry because AF_INET6 is set to f6i->fib6_nh->fib_nh_gw_family only when cfg.fc_is_fdb is true or RTF_GATEWAY is set, but the former is always false. These checks do not require RCU and can be done earlier. Let's perform the equivalent checks in rtm_to_fib6_multipath_config(). Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://patch.msgid.link/20250418000443.43734-5-kuniyu@amazon.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
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| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.