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-rwxr-xr-xtools/testing/selftests/net/mptcp/mptcp_join.sh231
1 files changed, 216 insertions, 15 deletions
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index b8af65373b3a..c90d8e8b95cb 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -8,7 +8,7 @@
# ShellCheck incorrectly believes that most of the code here is unreachable
# because it's invoked by variable name, see how the "tests" array is used
-#shellcheck disable=SC2317
+#shellcheck disable=SC2317,SC2329
. "$(dirname "${0}")/mptcp_lib.sh"
@@ -74,6 +74,17 @@ unset join_create_err
unset join_bind_err
unset join_connect_err
+unset fb_ns1
+unset fb_ns2
+unset fb_infinite_map_tx
+unset fb_dss_corruption
+unset fb_simult_conn
+unset fb_mpc_passive
+unset fb_mpc_active
+unset fb_mpc_data
+unset fb_md5_sig
+unset fb_dss
+
# generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) ||
# (ip6 && (ip6[74] & 0xf0) == 0x30)'"
CBPF_MPTCP_SUBOPTION_ADD_ADDR="14,
@@ -347,6 +358,7 @@ reset_with_add_addr_timeout()
tables="${ip6tables}"
fi
+ # set a maximum, to avoid too long timeout with exponential backoff
ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
if ! ip netns exec $ns2 $tables -A OUTPUT -p tcp \
@@ -1399,6 +1411,115 @@ chk_join_tx_nr()
print_results "join Tx" ${rc}
}
+chk_fallback_nr()
+{
+ local infinite_map_tx=${fb_infinite_map_tx:-0}
+ local dss_corruption=${fb_dss_corruption:-0}
+ local simult_conn=${fb_simult_conn:-0}
+ local mpc_passive=${fb_mpc_passive:-0}
+ local mpc_active=${fb_mpc_active:-0}
+ local mpc_data=${fb_mpc_data:-0}
+ local md5_sig=${fb_md5_sig:-0}
+ local dss=${fb_dss:-0}
+ local rc=${KSFT_PASS}
+ local ns=$1
+ local count
+
+ count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtInfiniteMapTx")
+ if [ -z "$count" ]; then
+ rc=${KSFT_SKIP}
+ elif [ "$count" != "$infinite_map_tx" ]; then
+ rc=${KSFT_FAIL}
+ print_check "$ns infinite map tx fallback"
+ fail_test "got $count infinite map tx fallback[s] in $ns expected $infinite_map_tx"
+ fi
+
+ count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtDSSCorruptionFallback")
+ if [ -z "$count" ]; then
+ rc=${KSFT_SKIP}
+ elif [ "$count" != "$dss_corruption" ]; then
+ rc=${KSFT_FAIL}
+ print_check "$ns dss corruption fallback"
+ fail_test "got $count dss corruption fallback[s] in $ns expected $dss_corruption"
+ fi
+
+ count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtSimultConnectFallback")
+ if [ -z "$count" ]; then
+ rc=${KSFT_SKIP}
+ elif [ "$count" != "$simult_conn" ]; then
+ rc=${KSFT_FAIL}
+ print_check "$ns simult conn fallback"
+ fail_test "got $count simult conn fallback[s] in $ns expected $simult_conn"
+ fi
+
+ count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtMPCapableFallbackACK")
+ if [ -z "$count" ]; then
+ rc=${KSFT_SKIP}
+ elif [ "$count" != "$mpc_passive" ]; then
+ rc=${KSFT_FAIL}
+ print_check "$ns mpc passive fallback"
+ fail_test "got $count mpc passive fallback[s] in $ns expected $mpc_passive"
+ fi
+
+ count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtMPCapableFallbackSYNACK")
+ if [ -z "$count" ]; then
+ rc=${KSFT_SKIP}
+ elif [ "$count" != "$mpc_active" ]; then
+ rc=${KSFT_FAIL}
+ print_check "$ns mpc active fallback"
+ fail_test "got $count mpc active fallback[s] in $ns expected $mpc_active"
+ fi
+
+ count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtMPCapableDataFallback")
+ if [ -z "$count" ]; then
+ rc=${KSFT_SKIP}
+ elif [ "$count" != "$mpc_data" ]; then
+ rc=${KSFT_FAIL}
+ print_check "$ns mpc data fallback"
+ fail_test "got $count mpc data fallback[s] in $ns expected $mpc_data"
+ fi
+
+ count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtMD5SigFallback")
+ if [ -z "$count" ]; then
+ rc=${KSFT_SKIP}
+ elif [ "$count" != "$md5_sig" ]; then
+ rc=${KSFT_FAIL}
+ print_check "$ns MD5 Sig fallback"
+ fail_test "got $count MD5 Sig fallback[s] in $ns expected $md5_sig"
+ fi
+
+ count=$(mptcp_lib_get_counter ${!ns} "MPTcpExtDssFallback")
+ if [ -z "$count" ]; then
+ rc=${KSFT_SKIP}
+ elif [ "$count" != "$dss" ]; then
+ rc=${KSFT_FAIL}
+ print_check "$ns dss fallback"
+ fail_test "got $count dss fallback[s] in $ns expected $dss"
+ fi
+
+ return $rc
+}
+
+chk_fallback_nr_all()
+{
+ local netns=("ns1" "ns2")
+ local fb_ns=("fb_ns1" "fb_ns2")
+ local rc=${KSFT_PASS}
+
+ for i in 0 1; do
+ if [ -n "${!fb_ns[i]}" ]; then
+ eval "${!fb_ns[i]}" \
+ chk_fallback_nr ${netns[i]} || rc=${?}
+ else
+ chk_fallback_nr ${netns[i]} || rc=${?}
+ fi
+ done
+
+ if [ "${rc}" != "${KSFT_PASS}" ]; then
+ print_results "fallback" ${rc}
+ fi
+}
+
chk_join_nr()
{
local syn_nr=$1
@@ -1484,6 +1605,8 @@ chk_join_nr()
join_syn_tx="${join_syn_tx:-${syn_nr}}" \
chk_join_tx_nr
+ chk_fallback_nr_all
+
if $validate_checksum; then
chk_csum_nr $csum_ns1 $csum_ns2
chk_fail_nr $fail_nr $fail_nr
@@ -1547,7 +1670,6 @@ chk_add_nr()
local tx=""
local rx=""
local count
- local timeout
if [[ $ns_invert = "invert" ]]; then
ns_tx=$ns2
@@ -1556,15 +1678,13 @@ chk_add_nr()
rx=" server"
fi
- timeout=$(ip netns exec ${ns_tx} sysctl -n net.mptcp.add_addr_timeout)
-
print_check "add addr rx${rx}"
count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtAddAddr")
if [ -z "$count" ]; then
print_skip
- # if the test configured a short timeout tolerate greater then expected
- # add addrs options, due to retransmissions
- elif [ "$count" != "$add_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_nr" ]; }; then
+ # Tolerate more ADD_ADDR then expected (if any), due to retransmissions
+ elif [ "$count" != "$add_nr" ] &&
+ { [ "$add_nr" -eq 0 ] || [ "$count" -lt "$add_nr" ]; }; then
fail_test "got $count ADD_ADDR[s] expected $add_nr"
else
print_ok
@@ -1652,18 +1772,15 @@ chk_add_tx_nr()
{
local add_tx_nr=$1
local echo_tx_nr=$2
- local timeout
local count
- timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
-
print_check "add addr tx"
count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtAddAddrTx")
if [ -z "$count" ]; then
print_skip
- # if the test configured a short timeout tolerate greater then expected
- # add addrs options, due to retransmissions
- elif [ "$count" != "$add_tx_nr" ] && { [ "$timeout" -gt 1 ] || [ "$count" -lt "$add_tx_nr" ]; }; then
+ # Tolerate more ADD_ADDR then expected (if any), due to retransmissions
+ elif [ "$count" != "$add_tx_nr" ] &&
+ { [ "$add_tx_nr" -eq 0 ] || [ "$count" -lt "$add_tx_nr" ]; }; then
fail_test "got $count ADD_ADDR[s] TX, expected $add_tx_nr"
else
print_ok
@@ -2151,7 +2268,8 @@ signal_address_tests()
pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
pm_nl_set_limits $ns2 3 3
- run_tests $ns1 $ns2 10.0.1.1
+ speed=slow \
+ run_tests $ns1 $ns2 10.0.1.1
chk_join_nr 3 3 3
chk_add_nr 3 3
fi
@@ -2163,7 +2281,8 @@ signal_address_tests()
pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
pm_nl_set_limits $ns2 3 3
- run_tests $ns1 $ns2 10.0.1.1
+ speed=slow \
+ run_tests $ns1 $ns2 10.0.1.1
join_syn_tx=3 \
chk_join_nr 1 1 1
chk_add_nr 3 3
@@ -2201,6 +2320,74 @@ signal_address_tests()
fi
}
+laminar_endp_tests()
+{
+ # no laminar endpoints: routing rules are used
+ if reset_with_tcp_filter "without a laminar endpoint" ns1 10.0.2.2 REJECT &&
+ mptcp_lib_kallsyms_has "mptcp_pm_get_endp_laminar_max$"; then
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 2 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ run_tests $ns1 $ns2 10.0.1.1
+ join_syn_tx=1 \
+ chk_join_nr 0 0 0
+ chk_add_nr 1 1
+ fi
+
+ # laminar endpoints: this endpoint is used
+ if reset_with_tcp_filter "with a laminar endpoint" ns1 10.0.2.2 REJECT &&
+ mptcp_lib_kallsyms_has "mptcp_pm_get_endp_laminar_max$"; then
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 2 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags laminar
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ fi
+
+ # laminar endpoints: these endpoints are used
+ if reset_with_tcp_filter "with multiple laminar endpoints" ns1 10.0.2.2 REJECT &&
+ mptcp_lib_kallsyms_has "mptcp_pm_get_endp_laminar_max$"; then
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 2 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+ pm_nl_add_endpoint $ns2 dead:beef:3::2 flags laminar
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags laminar
+ pm_nl_add_endpoint $ns2 10.0.4.2 flags laminar
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 2 2 2
+ chk_add_nr 2 2
+ fi
+
+ # laminar endpoints: only one endpoint is used
+ if reset_with_tcp_filter "single laminar endpoint" ns1 10.0.2.2 REJECT &&
+ mptcp_lib_kallsyms_has "mptcp_pm_get_endp_laminar_max$"; then
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 2 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags laminar
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 1 1 1
+ chk_add_nr 2 2
+ fi
+
+ # laminar endpoints: subflow and laminar flags
+ if reset_with_tcp_filter "sublow + laminar endpoints" ns1 10.0.2.2 REJECT &&
+ mptcp_lib_kallsyms_has "mptcp_pm_get_endp_laminar_max$"; then
+ pm_nl_set_limits $ns1 0 4
+ pm_nl_set_limits $ns2 2 4
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,laminar
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,laminar
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 1 1 1
+ chk_add_nr 1 1
+ fi
+}
+
link_failure_tests()
{
# accept and use add_addr with additional subflows and link loss
@@ -3187,6 +3374,17 @@ deny_join_id0_tests()
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr 1 1 1
fi
+
+ # default limits, server deny join id 0 + signal
+ if reset_with_allow_join_id0 "default limits, server deny join id 0" 0 1; then
+ pm_nl_set_limits $ns1 0 2
+ pm_nl_set_limits $ns2 0 2
+ pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+ pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+ pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
+ run_tests $ns1 $ns2 10.0.1.1
+ chk_join_nr 2 2 2
+ fi
}
fullmesh_tests()
@@ -3337,6 +3535,7 @@ fail_tests()
join_csum_ns1=+1 join_csum_ns2=+0 \
join_fail_nr=1 join_rst_nr=0 join_infi_nr=1 \
join_corrupted_pkts="$(pedit_action_pkts)" \
+ fb_ns1="fb_dss=1" fb_ns2="fb_infinite_map_tx=1" \
chk_join_nr 0 0 0
chk_fail_nr 1 -1 invert
fi
@@ -3842,6 +4041,7 @@ endpoint_tests()
# remove and re-add
if reset_with_events "delete re-add signal" &&
mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
+ ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=0
pm_nl_set_limits $ns1 0 3
pm_nl_set_limits $ns2 3 3
pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal
@@ -3977,6 +4177,7 @@ all_tests_sorted=(
f@subflows_tests
e@subflows_error_tests
s@signal_address_tests
+ L@laminar_endp_tests
l@link_failure_tests
t@add_addr_timeout_tests
r@remove_tests
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-04 01:17:43 +0000