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selftests: net: bridge: add test for igmpv3 exc -> block report 

The test checks for the following case:
   state          report        result                  action
 EXCLUDE (X,Y)  BLOCK (A)     EXCLUDE (X+(A-Y),Y)      (A-X-Y)=Group Timer
                                                       Send Q(G,A-Y)

Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Nikolay Aleksandrov 2020-10-27 20:59:32 +02:00 committed by Jakub Kicinski
parent 80899f1b1c
commit 9eb58e0747
1 changed files with 29 additions and 1 deletions
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30
tools/testing/selftests/net/forwarding/bridge_igmp.sh
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@ -3,7 +3,7 @@
ALL_TESTS="v2reportleave_test v3include_test v3inc_allow_test v3inc_is_include_test \
v3inc_is_exclude_test v3inc_to_exclude_test v3exc_allow_test v3exc_is_include_test \
v3exc_is_exclude_test v3exc_to_exclude_test v3inc_block_test"
v3exc_is_exclude_test v3exc_to_exclude_test v3inc_block_test v3exc_block_test"
NUM_NETIFS=4
CHECK_TC="yes"
TEST_GROUP="239.10.10.10"
@ -546,6 +546,34 @@ v3inc_block_test()
v3cleanup $swp1 $TEST_GROUP
}
v3exc_block_test()
{
RET=0
local X=("192.0.2.1" "192.0.2.2" "192.0.2.30")
local Y=("192.0.2.20" "192.0.2.21")
v3exclude_prepare $h1 $ALL_MAC $ALL_GROUP
ip link set dev br0 type bridge mcast_last_member_interval 500
check_err $? "Could not change mcast_last_member_interval to 5s"
$MZ $h1 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_BLOCK" -q
sleep 1
check_sg_entries "block" "${X[@]}" "${Y[@]}"
check_sg_state 0 "${X[@]}"
check_sg_state 1 "${Y[@]}"
check_sg_fwding 1 "${X[@]}" 192.0.2.100
check_sg_fwding 0 "${Y[@]}"
log_test "IGMPv3 report $TEST_GROUP exclude -> block"
ip link set dev br0 type bridge mcast_last_member_interval 100
v3cleanup $swp1 $TEST_GROUP
}
trap cleanup EXIT
setup_prepare