The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 9ee37e53e7687654b487fc94e82569377272a7a8 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2023081231-copilot-haiku-c10f@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: 9ee37e53e768 ("selftests: forwarding: tc_flower: Relax success criterion") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 9ee37e53e7687654b487fc94e82569377272a7a8 Mon Sep 17 00:00:00 2001 From: Ido Schimmel <idosch@xxxxxxxxxx> Date: Tue, 8 Aug 2023 17:14:58 +0300 Subject: [PATCH] selftests: forwarding: tc_flower: Relax success criterion The test checks that filters that match on source or destination MAC were only hit once. A host can send more than one packet with a given source or destination MAC, resulting in failures. Fix by relaxing the success criterion and instead check that the filters were not hit zero times. Using tc_check_at_least_x_packets() is also an option, but it is not available in older kernels. Fixes: 07e5c75184a1 ("selftests: forwarding: Introduce tc flower matching tests") Reported-by: Mirsad Todorovac <mirsad.todorovac@xxxxxxxxxxxx> Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@xxxxxxxxxxxx/ Signed-off-by: Ido Schimmel <idosch@xxxxxxxxxx> Reviewed-by: Petr Machata <petrm@xxxxxxxxxx> Tested-by: Mirsad Todorovac <mirsad.todorovac@xxxxxxxxxxxx> Reviewed-by: Hangbin Liu <liuhangbin@xxxxxxxxx> Acked-by: Nikolay Aleksandrov <razor@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20230808141503.4060661-13-idosch@xxxxxxxxxx Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> diff --git a/tools/testing/selftests/net/forwarding/tc_flower.sh b/tools/testing/selftests/net/forwarding/tc_flower.sh index 683711f41aa9..b1daad19b01e 100755 --- a/tools/testing/selftests/net/forwarding/tc_flower.sh +++ b/tools/testing/selftests/net/forwarding/tc_flower.sh @@ -52,8 +52,8 @@ match_dst_mac_test() tc_check_packets "dev $h2 ingress" 101 1 check_fail $? "Matched on a wrong filter" - tc_check_packets "dev $h2 ingress" 102 1 - check_err $? "Did not match on correct filter" + tc_check_packets "dev $h2 ingress" 102 0 + check_fail $? "Did not match on correct filter" tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower @@ -78,8 +78,8 @@ match_src_mac_test() tc_check_packets "dev $h2 ingress" 101 1 check_fail $? "Matched on a wrong filter" - tc_check_packets "dev $h2 ingress" 102 1 - check_err $? "Did not match on correct filter" + tc_check_packets "dev $h2 ingress" 102 0 + check_fail $? "Did not match on correct filter" tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
