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selftests: net: bridge: add test for mldv2 exc -> block report 

The test checks for the following case:
   Router State  Report Received  New Router State     Actions
   EXCLUDE (X,Y)   BLOCK (A)      EXCLUDE (X+(A-Y),Y)  (A-X-Y) =
                                                            Filter Timer
                                                       Send Q(MA,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 2020-11-03 19:24:10 +02:00 committed by Jakub Kicinski
parent 57386215cc
commit a2d667f0c1
1 changed files with 30 additions and 1 deletions
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31
tools/testing/selftests/net/forwarding/bridge_mld.sh
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@ -3,7 +3,8 @@
ALL_TESTS="mldv2include_test mldv2inc_allow_test mldv2inc_is_include_test mldv2inc_is_exclude_test \
mldv2inc_to_exclude_test mldv2exc_allow_test mldv2exc_is_include_test \
mldv2exc_is_exclude_test mldv2exc_to_exclude_test mldv2inc_block_test"
mldv2exc_is_exclude_test mldv2exc_to_exclude_test mldv2inc_block_test \
mldv2exc_block_test"
NUM_NETIFS=4
CHECK_TC="yes"
TEST_GROUP="ff02::cc"
@ -444,6 +445,34 @@ mldv2inc_block_test()
mldv2cleanup $swp1
}
mldv2exc_block_test()
{
RET=0
local X=("2001:db8:1::1" "2001:db8:1::2" "2001:db8:1::30")
local Y=("2001:db8:1::20" "2001:db8:1::21")
mldv2exclude_prepare $h1
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 $MZPKT_BLOCK -q
sleep 1
brmcast_check_sg_entries "block" "${X[@]}" "${Y[@]}"
brmcast_check_sg_state 0 "${X[@]}"
brmcast_check_sg_state 1 "${Y[@]}"
brmcast_check_sg_fwding 1 "${X[@]}" 2001:db8:1::100
brmcast_check_sg_fwding 0 "${Y[@]}"
log_test "MLDv2 report $TEST_GROUP exclude -> block"
ip link set dev br0 type bridge mcast_last_member_interval 100
mldv2cleanup $swp1
}
trap cleanup EXIT
setup_prepare