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selftests: net: bridge: add test for igmpv3 *,g auto-add

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When we have *,G ports in exclude mode and a new S,G,port is added
the kernel has to automatically create an S,G entry for each exclude
port to get proper forwarding.

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 20:59:34 +02:00 committed by Jakub Kicinski
parent 18f66c96ea
commit 414ea37541
1 changed files with 30 additions and 1 deletions
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31
tools/testing/selftests/net/forwarding/bridge_igmp.sh
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@ -4,7 +4,7 @@
ALL_TESTS="v2reportleave_test v3include_test v3inc_allow_test v3inc_is_include_test \ 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 \ 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_block_test \ v3exc_is_exclude_test v3exc_to_exclude_test v3inc_block_test v3exc_block_test \
v3exc_timeout_test" v3exc_timeout_test v3star_ex_auto_add_test"
NUM_NETIFS=4 NUM_NETIFS=4
CHECK_TC="yes" CHECK_TC="yes"
TEST_GROUP="239.10.10.10" TEST_GROUP="239.10.10.10"
@ -621,6 +621,35 @@ v3exc_timeout_test()
v3cleanup $swp1 $TEST_GROUP v3cleanup $swp1 $TEST_GROUP
} }
v3star_ex_auto_add_test()
{
RET=0
v3exclude_prepare $h1 $ALL_MAC $ALL_GROUP
$MZ $h2 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_IS_INC" -q
sleep 1
bridge -j -d -s mdb show dev br0 \
| jq -e ".[].mdb[] | \
select(.grp == \"$TEST_GROUP\" and .src == \"192.0.2.3\" and \
.port == \"$swp1\")" &>/dev/null
check_err $? "S,G entry for *,G port doesn't exist"
bridge -j -d -s mdb show dev br0 \
| jq -e ".[].mdb[] | \
select(.grp == \"$TEST_GROUP\" and .src == \"192.0.2.3\" and \
.port == \"$swp1\" and \
.flags[] == \"added_by_star_ex\")" &>/dev/null
check_err $? "Auto-added S,G entry doesn't have added_by_star_ex flag"
check_sg_fwding 1 192.0.2.3
log_test "IGMPv3 S,G port entry automatic add to a *,G port"
v3cleanup $swp1 $TEST_GROUP
v3cleanup $swp2 $TEST_GROUP
}
trap cleanup EXIT trap cleanup EXIT
setup_prepare setup_prepare