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Ido Schimmel 11604178fd selftests: forwarding: tc_tunnel_key: Make filters more specific 
The test installs filters that match on various IP fragments (e.g., no
fragment, first fragment) and expects a certain amount of packets to hit
each filter. This is problematic as the filters are not specific enough
and can match IP packets (e.g., IGMP) generated by the stack, resulting
in failures [1].

Fix by making the filters more specific and match on more fields in the
IP header: Source IP, destination IP and protocol.

[1]
 # timeout set to 0
 # selftests: net/forwarding: tc_tunnel_key.sh
 # TEST: tunnel_key nofrag (skip_hw)                                   [FAIL]
 #       packet smaller than MTU was not tunneled
 # INFO: Could not test offloaded functionality
 not ok 89 selftests: net/forwarding: tc_tunnel_key.sh # exit=1

Fixes: 533a89b194 ("selftests: forwarding: add tunnel_key "nofrag" test case")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@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>
Acked-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-14-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:35 -07:00
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drivers net: enetc: remove of_device_is_available() handling 2023-08-09 09:18:31 +01:00
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include tcp: add missing family to tcp_set_ca_state() tracepoint 2023-08-09 13:45:19 -07:00
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net nexthop: Fix infinite nexthop bucket dump when using maximum nexthop ID 2023-08-09 13:45:12 -07:00
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tools selftests: forwarding: tc_tunnel_key: Make filters more specific 2023-08-09 14:53:35 -07:00
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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.