Date: Tue, 2 Mar 2021 15:17:53 GMT From: Kristof Provost <kp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 5b8932427605 - stable/12 - bridge test: spanning tree Message-ID: <202103021517.122FHr1R039705@gitrepo.freebsd.org>
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The branch stable/12 has been updated by kp: URL: https://cgit.FreeBSD.org/src/commit/?id=5b893242760570495abb09974455ab32a8fd6b95 commit 5b893242760570495abb09974455ab32a8fd6b95 Author: Kristof Provost <kp@FreeBSD.org> AuthorDate: 2020-03-10 06:28:45 +0000 Commit: Kristof Provost <kp@FreeBSD.org> CommitDate: 2021-03-02 13:03:06 +0000 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 (cherry picked from commit 6f0a65b080aac1b3144c7489b020b26b345d1a1b) --- tests/sys/net/if_bridge_test.sh | 69 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/tests/sys/net/if_bridge_test.sh b/tests/sys/net/if_bridge_test.sh index c51321187018..afb260a86cc3 100755 --- a/tests/sys/net/if_bridge_test.sh +++ b/tests/sys/net/if_bridge_test.sh @@ -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" }
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