Author: kp Date: Tue Mar 10 06:28:45 2020 New Revision: 358829 URL: https://svnweb.freebsd.org/changeset/base/358829
Log: bridge test: spanning tree Basic test case where we create a bridge loop, verify that we really are looping and then enable spanning tree to resolve the loop. Reviewed by: philip Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D23959 Modified: head/tests/sys/net/if_bridge_test.sh Modified: head/tests/sys/net/if_bridge_test.sh ============================================================================== --- head/tests/sys/net/if_bridge_test.sh Tue Mar 10 03:30:11 2020 (r358828) +++ head/tests/sys/net/if_bridge_test.sh Tue Mar 10 06:28:45 2020 (r358829) @@ -67,7 +67,76 @@ bridge_transmit_ipv4_unicast_cleanup() vnet_cleanup } +atf_test_case "stp" "cleanup" +stp_head() +{ + atf_set descr 'Spanning tree test' + atf_set require.user root + atf_set require.progs jq +} + +stp_body() +{ + vnet_init + + epair_one=$(vnet_mkepair) + epair_two=$(vnet_mkepair) + bridge_a=$(vnet_mkbridge) + bridge_b=$(vnet_mkbridge) + + vnet_mkjail a ${bridge_a} ${epair_one}a ${epair_two}a + vnet_mkjail b ${bridge_b} ${epair_one}b ${epair_two}b + + jexec a ifconfig ${bridge_a} up + jexec a ifconfig ${epair_one}a up + jexec a ifconfig ${epair_two}a up + jexec a ifconfig ${bridge_a} addm ${epair_one}a + jexec a ifconfig ${bridge_a} addm ${epair_two}a + + jexec b ifconfig ${bridge_b} up + jexec b ifconfig ${epair_one}b up + jexec b ifconfig ${epair_two}b up + jexec b ifconfig ${bridge_b} addm ${epair_one}b + jexec b ifconfig ${bridge_b} addm ${epair_two}b + + jexec a ifconfig ${bridge_a} 192.0.2.1/24 + + # Give the interfaces some time to come up and pass some traffic + sleep 5 + + # Confirm that there's looping traffic + nbr=$(jexec a netstat -I ${bridge_a} --libxo json \ + | jq ".statistics.interface[0].\"received-packets\"") + if [ ${nbr} -lt 100 ] + then + atf_fail "Expected bridging loop, but found very few packets." + fi + + # Enable spanning tree + jexec a ifconfig ${bridge_a} stp ${epair_one}a + jexec a ifconfig ${bridge_a} stp ${epair_two}a + jexec b ifconfig ${bridge_b} stp ${epair_one}b + jexec b ifconfig ${bridge_b} stp ${epair_two}b + + # Give STP time to do its thing + sleep 5 + + a_discard=$(jexec a ifconfig ${bridge_a} | grep discarding) + b_discard=$(jexec b ifconfig ${bridge_b} | grep discarding) + + if [ -z "${a_discard}" ] && [ -z "${b_discard}" ] + then + atf_fail "STP failed to detect bridging loop" + fi +} + +stp_cleanup() +{ + vnet_cleanup +} + atf_init_test_cases() { atf_add_test_case "bridge_transmit_ipv4_unicast" + atf_add_test_case "stp" } _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
