Date: Mon, 15 Sep 2025 11:54:25 GMT From: Kristof Provost <kp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 5e89648ee68e - main - pf tests: test fragment counters Message-ID: <202509151154.58FBsPZv025441@gitrepo.freebsd.org>
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The branch main has been updated by kp: URL: https://cgit.FreeBSD.org/src/commit/?id=5e89648ee68e44d01d00d41d53b6934c604f8c50 commit 5e89648ee68e44d01d00d41d53b6934c604f8c50 Author: Kristof Provost <kp@FreeBSD.org> AuthorDate: 2025-08-21 08:10:08 +0000 Commit: Kristof Provost <kp@FreeBSD.org> CommitDate: 2025-09-15 09:32:35 +0000 pf tests: test fragment counters Ensure that the fragmentation counters work as expected. Sponsored by: Rubicon Communications, LLC ("Netgate") --- tests/sys/netpfil/pf/fragmentation_pass.sh | 67 ++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) diff --git a/tests/sys/netpfil/pf/fragmentation_pass.sh b/tests/sys/netpfil/pf/fragmentation_pass.sh index 5deaba18301d..c749aac793ee 100644 --- a/tests/sys/netpfil/pf/fragmentation_pass.sh +++ b/tests/sys/netpfil/pf/fragmentation_pass.sh @@ -648,6 +648,72 @@ dummynet_fragmented_cleanup() pft_cleanup } +atf_test_case "counters" "cleanup" +counters_head() +{ + atf_set descr 'Test fragment counters' + atf_set require.user root +} + +counters_body() +{ + pft_init + + epair=$(vnet_mkepair) + vnet_mkjail alcatraz ${epair}a + + ifconfig ${epair}b inet 192.0.2.1/24 up + jexec alcatraz ifconfig ${epair}a 192.0.2.2/24 up + + jexec alcatraz pfctl -e + pft_set_rules alcatraz \ + "set reassemble yes" \ + "pass keep state" + + # All fragment counters are zero + counters=$(jexec alcatraz pfctl -si -v | grep -A 4 '^Fragments') + atf_check -s exit:0 -o match:"current entries[[:space:]]+0" \ + echo $counters + atf_check -s exit:0 -o match:"searches[[:space:]]+0" \ + echo $counters + atf_check -s exit:0 -o match:"inserts[[:space:]]+0" \ + echo $counters + atf_check -s exit:0 -o match:"removals[[:space:]]+0" \ + echo $counters + + # They remain zero after we've seen non-fragmented traffic + atf_check -s exit:0 -o ignore \ + ping -c 1 192.0.2.2 + counters=$(jexec alcatraz pfctl -si -v | grep -A 4 '^Fragments') + atf_check -s exit:0 -o match:"current entries[[:space:]]+0" \ + echo $counters + atf_check -s exit:0 -o match:"searches[[:space:]]+0" \ + echo $counters + atf_check -s exit:0 -o match:"inserts[[:space:]]+0" \ + echo $counters + atf_check -s exit:0 -o match:"removals[[:space:]]+0" \ + echo $counters + + # But once we've reassembled they're no longer zero + # (Count is 2, because in + out) + atf_check -s exit:0 -o ignore \ + ping -c 1 -s 2000 192.0.2.2 + counters=$(jexec alcatraz pfctl -si -v | grep -A 4 '^Fragments') + atf_check -s exit:0 -o match:"current entries[[:space:]]+0" \ + echo $counters + atf_check -s exit:0 -o match:"searches[[:space:]]+2" \ + echo $counters + atf_check -s exit:0 -o match:"inserts[[:space:]]+2" \ + echo $counters + atf_check -s exit:0 -o match:"removals[[:space:]]+2" \ + echo $counters +} + +counters_cleanup() +{ + pft_cleanup +} + atf_init_test_cases() { atf_add_test_case "too_many_fragments" @@ -665,4 +731,5 @@ atf_init_test_cases() atf_add_test_case "dummynet" atf_add_test_case "dummynet_nat" atf_add_test_case "dummynet_fragmented" + atf_add_test_case "counters" }
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