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[ Upstream commit0add5c597f] Due to a small omission, the offload_failed flag is missing from ipv4 fibmatch results. Make sure it is set correctly. The issue can be witnessed using the following commands: echo "1 1" > /sys/bus/netdevsim/new_device ip link add dummy1 up type dummy ip route add 192.0.2.0/24 dev dummy1 echo 1 > /sys/kernel/debug/netdevsim/netdevsim1/fib/fail_route_offload ip route add 198.51.100.0/24 dev dummy1 ip route # 192.168.15.0/24 has rt_trap # 198.51.100.0/24 has rt_offload_failed ip route get 192.168.15.1 fibmatch # Result has rt_trap ip route get 198.51.100.1 fibmatch # Result differs from the route shown by `ip route`, it is missing # rt_offload_failed ip link del dev dummy1 echo 1 > /sys/bus/netdevsim/del_device Fixes:36c5100e85("IPv4: Add "offload failed" indication to routes") Signed-off-by: Benjamin Poirier <bpoirier@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20230926182730.231208-1-bpoirier@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.