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7bf4796dd0
Add support for atomically upating a nexthop config. When updating a nexthop, walk the lists of associated fib entries and verify the new config is valid. Replace is done by swapping nh_info for single nexthops - new config is applied to old nexthop struct, and old config is moved to new nexthop struct. For nexthop groups the same applies but for nh_group. In addition for groups the nh_parent reference needs to be updated. The old config is released by calling __remove_nexthop on the 'new' nexthop which now has the old config. This is done to avoid messing around with the list_heads that track which fib entries are using the nexthop. After the swap of config data, bump the sequence counters for FIB entries to invalidate any dst entries and send notifications to userspace. The notifications include the new nexthop spec as well as any fib entries using the updated nexthop struct. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
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| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| 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.