Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
selftests: mptcp: add checks for fallback counters
Recently, some mib counters about fallback has been added, this patch
provides a method to check the expected behavior of these mib counters
during the test execution.
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/571
Signed-off-by: Gang Yan <yangang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250902-net-next-mptcp-misc-feat-6-18-v2-2-fa02bb3188b1@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
authored by
Gang Yan
and committed by
Jakub Kicinski
3fff72f8
2d5be562
+123
+123
tools/testing/selftests/net/mptcp/mptcp_join.sh
+123
tools/testing/selftests/net/mptcp/mptcp_join.sh
···
74
74
unset join_bind_err
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unset join_connect_err
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+
unset fb_ns1
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unset fb_ns2
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unset fb_infinite_map_tx
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unset fb_dss_corruption
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unset fb_simult_conn
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unset fb_mpc_passive
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unset fb_mpc_active
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unset fb_mpc_data
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unset fb_md5_sig
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unset fb_dss
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# generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) ||
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# (ip6 && (ip6[74] & 0xf0) == 0x30)'"
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CBPF_MPTCP_SUBOPTION_ADD_ADDR="14,
···
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print_results "join Tx" ${rc}
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}
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chk_fallback_nr()
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{
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local infinite_map_tx=${fb_infinite_map_tx:-0}
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local dss_corruption=${fb_dss_corruption:-0}
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local simult_conn=${fb_simult_conn:-0}
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local mpc_passive=${fb_mpc_passive:-0}
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local mpc_active=${fb_mpc_active:-0}
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local mpc_data=${fb_mpc_data:-0}
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local md5_sig=${fb_md5_sig:-0}
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local dss=${fb_dss:-0}
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local rc=${KSFT_PASS}
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local ns=$1
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local count
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+
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count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtInfiniteMapTx")
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if [ -z "$count" ]; then
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rc=${KSFT_SKIP}
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elif [ "$count" != "$infinite_map_tx" ]; then
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rc=${KSFT_FAIL}
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print_check "$ns infinite map tx fallback"
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fail_test "got $count infinite map tx fallback[s] in $ns expected $infinite_map_tx"
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fi
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+
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count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtDSSCorruptionFallback")
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if [ -z "$count" ]; then
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rc=${KSFT_SKIP}
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elif [ "$count" != "$dss_corruption" ]; then
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rc=${KSFT_FAIL}
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print_check "$ns dss corruption fallback"
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fail_test "got $count dss corruption fallback[s] in $ns expected $dss_corruption"
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fi
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+
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count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtSimultConnectFallback")
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if [ -z "$count" ]; then
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rc=${KSFT_SKIP}
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elif [ "$count" != "$simult_conn" ]; then
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rc=${KSFT_FAIL}
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print_check "$ns simult conn fallback"
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fail_test "got $count simult conn fallback[s] in $ns expected $simult_conn"
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fi
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+
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count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtMPCapableFallbackACK")
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if [ -z "$count" ]; then
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rc=${KSFT_SKIP}
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elif [ "$count" != "$mpc_passive" ]; then
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rc=${KSFT_FAIL}
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print_check "$ns mpc passive fallback"
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fail_test "got $count mpc passive fallback[s] in $ns expected $mpc_passive"
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fi
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+
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count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtMPCapableFallbackSYNACK")
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if [ -z "$count" ]; then
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rc=${KSFT_SKIP}
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elif [ "$count" != "$mpc_active" ]; then
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rc=${KSFT_FAIL}
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print_check "$ns mpc active fallback"
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fail_test "got $count mpc active fallback[s] in $ns expected $mpc_active"
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fi
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+
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count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtMPCapableDataFallback")
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if [ -z "$count" ]; then
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rc=${KSFT_SKIP}
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elif [ "$count" != "$mpc_data" ]; then
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rc=${KSFT_FAIL}
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print_check "$ns mpc data fallback"
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fail_test "got $count mpc data fallback[s] in $ns expected $mpc_data"
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fi
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+
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count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtMD5SigFallback")
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if [ -z "$count" ]; then
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rc=${KSFT_SKIP}
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elif [ "$count" != "$md5_sig" ]; then
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rc=${KSFT_FAIL}
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print_check "$ns MD5 Sig fallback"
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fail_test "got $count MD5 Sig fallback[s] in $ns expected $md5_sig"
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fi
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count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtDssFallback")
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if [ -z "$count" ]; then
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rc=${KSFT_SKIP}
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elif [ "$count" != "$dss" ]; then
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rc=${KSFT_FAIL}
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print_check "$ns dss fallback"
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fail_test "got $count dss fallback[s] in $ns expected $dss"
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fi
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1488
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return $rc
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}
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+
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chk_fallback_nr_all()
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{
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local netns=("ns1" "ns2")
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local fb_ns=("fb_ns1" "fb_ns2")
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local rc=${KSFT_PASS}
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for i in 0 1; do
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if [ -n "${!fb_ns[i]}" ]; then
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eval "${!fb_ns[i]}" \
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chk_fallback_nr ${netns[i]} || rc=${?}
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else
1502
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chk_fallback_nr ${netns[i]} || rc=${?}
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fi
1504
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done
1505
+
1506
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if [ "${rc}" != "${KSFT_PASS}" ]; then
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print_results "fallback" ${rc}
1508
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fi
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}
1510
+
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chk_join_nr()
1414
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{
1415
1513
local syn_nr=$1
···
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join_syn_tx="${join_syn_tx:-${syn_nr}}" \
1605
1485
chk_join_tx_nr
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+
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chk_fallback_nr_all
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if $validate_checksum; then
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chk_csum_nr $csum_ns1 $csum_ns2
···
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join_csum_ns1=+1 join_csum_ns2=+0 \
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join_fail_nr=1 join_rst_nr=0 join_infi_nr=1 \
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join_corrupted_pkts="$(pedit_action_pkts)" \
3340
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fb_ns1="fb_dss=1" fb_ns2="fb_infinite_map_tx=1" \
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chk_join_nr 0 0 0
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chk_fail_nr 1 -1 invert
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fi