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commitd72c83b1e4upstream. As explained in [1], the forwarding selftests are meant to be run with either physical loopbacks or veth pairs. The interfaces are expected to be specified in a user-provided forwarding.config file or as command line arguments. By default, this file is not present and the tests fail: # make -C tools/testing/selftests TARGETS=net/forwarding run_tests [...] TAP version 13 1..102 # timeout set to 45 # selftests: net/forwarding: bridge_igmp.sh # Command line is not complete. Try option "help" # Failed to create netif not ok 1 selftests: net/forwarding: bridge_igmp.sh # exit=1 [...] Fix by skipping a test if interfaces are not provided either via the configuration file or command line arguments. # make -C tools/testing/selftests TARGETS=net/forwarding run_tests [...] TAP version 13 1..102 # timeout set to 45 # selftests: net/forwarding: bridge_igmp.sh # SKIP: Cannot create interface. Name not specified ok 1 selftests: net/forwarding: bridge_igmp.sh # SKIP [1] tools/testing/selftests/net/forwarding/README Fixes:81573b18f2("selftests/net/forwarding: add Makefile to install tests") Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr> Closes: https://lore.kernel.org/netdev/856d454e-f83c-20cf-e166-6dc06cbc1543@alu.unizg.hr/ Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr> Reviewed-by: Hangbin Liu <liuhangbin@gmail.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Link: https://lore.kernel.org/r/20230808141503.4060661-2-idosch@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.