The branch main has been updated by kp:
URL:
https://cgit.FreeBSD.org/src/commit/?id=5e89648ee68e44d01d00d41d53b6934c604f8c50
commit 5e89648ee68e44d01d00d41d53b6934c604f8c50
Author: Kristof Provost <k...@freebsd.org>
AuthorDate: 2025-08-21 08:10:08 +0000
Commit: Kristof Provost <k...@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"
}
