diff options
Diffstat (limited to 'tools/testing/selftests/net/mptcp/mptcp_lib.sh')
| -rw-r--r-- | tools/testing/selftests/net/mptcp/mptcp_lib.sh | 213 |
1 files changed, 210 insertions, 3 deletions
diff --git a/tools/testing/selftests/net/mptcp/mptcp_lib.sh b/tools/testing/selftests/net/mptcp/mptcp_lib.sh index 3777d66fc5..d529b4b37a 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_lib.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_lib.sh @@ -8,7 +8,21 @@ readonly KSFT_SKIP=4 # shellcheck disable=SC2155 # declare and assign separately readonly KSFT_TEST="${MPTCP_LIB_KSFT_TEST:-$(basename "${0}" .sh)}" +# These variables are used in some selftests, read-only +declare -rx MPTCP_LIB_EVENT_ANNOUNCED=6 # MPTCP_EVENT_ANNOUNCED +declare -rx MPTCP_LIB_EVENT_REMOVED=7 # MPTCP_EVENT_REMOVED +declare -rx MPTCP_LIB_EVENT_SUB_ESTABLISHED=10 # MPTCP_EVENT_SUB_ESTABLISHED +declare -rx MPTCP_LIB_EVENT_SUB_CLOSED=11 # MPTCP_EVENT_SUB_CLOSED +declare -rx MPTCP_LIB_EVENT_LISTENER_CREATED=15 # MPTCP_EVENT_LISTENER_CREATED +declare -rx MPTCP_LIB_EVENT_LISTENER_CLOSED=16 # MPTCP_EVENT_LISTENER_CLOSED + +declare -rx MPTCP_LIB_AF_INET=2 +declare -rx MPTCP_LIB_AF_INET6=10 + MPTCP_LIB_SUBTESTS=() +MPTCP_LIB_SUBTESTS_DUPLICATED=0 +MPTCP_LIB_TEST_COUNTER=0 +MPTCP_LIB_TEST_FORMAT="%02u %-50s" # only if supported (or forced) and not disabled, see no-color.org if { [ -t 1 ] || [ "${SELFTESTS_MPTCP_LIB_COLOR_FORCE:-}" = "1" ]; } && @@ -47,6 +61,23 @@ mptcp_lib_print_err() { mptcp_lib_print_color "${MPTCP_LIB_COLOR_RED}${*}" } +# shellcheck disable=SC2120 # parameters are optional +mptcp_lib_pr_ok() { + mptcp_lib_print_ok "[ OK ]${1:+ ${*}}" +} + +mptcp_lib_pr_skip() { + mptcp_lib_print_warn "[SKIP]${1:+ ${*}}" +} + +mptcp_lib_pr_fail() { + mptcp_lib_print_err "[FAIL]${1:+ ${*}}" +} + +mptcp_lib_pr_info() { + mptcp_lib_print_info "INFO: ${*}" +} + # SELFTESTS_MPTCP_LIB_EXPECT_ALL_FEATURES env var can be set when validating all # features using the last version of the kernel and the selftests to make sure # a test is not being skipped by mistake. @@ -77,14 +108,14 @@ mptcp_lib_has_file() { mptcp_lib_check_mptcp() { if ! mptcp_lib_has_file "/proc/sys/net/mptcp/enabled"; then - echo "SKIP: MPTCP support is not available" + mptcp_lib_pr_skip "MPTCP support is not available" exit ${KSFT_SKIP} fi } mptcp_lib_check_kallsyms() { if ! mptcp_lib_has_file "/proc/kallsyms"; then - echo "SKIP: CONFIG_KALLSYMS is missing" + mptcp_lib_pr_skip "CONFIG_KALLSYMS is missing" exit ${KSFT_SKIP} fi } @@ -146,12 +177,26 @@ mptcp_lib_kversion_ge() { mptcp_lib_fail_if_expected_feature "kernel version ${1} lower than ${v}" } +__mptcp_lib_result_check_duplicated() { + local subtest + + for subtest in "${MPTCP_LIB_SUBTESTS[@]}"; do + if [[ "${subtest}" == *" - ${KSFT_TEST}: ${*%% #*}" ]]; then + MPTCP_LIB_SUBTESTS_DUPLICATED=1 + mptcp_lib_print_err "Duplicated entry: ${*}" + break + fi + done +} + __mptcp_lib_result_add() { local result="${1}" shift local id=$((${#MPTCP_LIB_SUBTESTS[@]} + 1)) + __mptcp_lib_result_check_duplicated "${*}" + MPTCP_LIB_SUBTESTS+=("${result} ${id} - ${KSFT_TEST}: ${*}") } @@ -206,6 +251,12 @@ mptcp_lib_result_print_all_tap() { for subtest in "${MPTCP_LIB_SUBTESTS[@]}"; do printf "%s\n" "${subtest}" done + + if [ "${MPTCP_LIB_SUBTESTS_DUPLICATED}" = 1 ] && + mptcp_lib_expect_all_features; then + mptcp_lib_print_err "Duplicated test entries" + exit ${KSFT_FAIL} + fi } # get the value of keyword $1 in the line marked by keyword $2 @@ -271,7 +322,7 @@ mptcp_lib_check_transfer() { local what="${3}" if ! cmp "$in" "$out" > /dev/null 2>&1; then - echo "[ FAIL ] $what does not match (in, out):" + mptcp_lib_pr_fail "$what does not match (in, out):" mptcp_lib_print_file_err "$in" mptcp_lib_print_file_err "$out" @@ -298,3 +349,159 @@ mptcp_lib_wait_local_port_listen() { sleep 0.1 done } + +mptcp_lib_check_output() { + local err="${1}" + local cmd="${2}" + local expected="${3}" + local cmd_ret=0 + local out + + if ! out=$(${cmd} 2>"${err}"); then + cmd_ret=${?} + fi + + if [ ${cmd_ret} -ne 0 ]; then + mptcp_lib_pr_fail "command execution '${cmd}' stderr" + cat "${err}" + return 2 + elif [ "${out}" = "${expected}" ]; then + return 0 + else + mptcp_lib_pr_fail "expected '${expected}' got '${out}'" + return 1 + fi +} + +mptcp_lib_check_tools() { + local tool + + for tool in "${@}"; do + case "${tool}" in + "ip") + if ! ip -Version &> /dev/null; then + mptcp_lib_pr_skip "Could not run test without ip tool" + exit ${KSFT_SKIP} + fi + ;; + "ss") + if ! ss -h | grep -q MPTCP; then + mptcp_lib_pr_skip "ss tool does not support MPTCP" + exit ${KSFT_SKIP} + fi + ;; + "iptables"* | "ip6tables"*) + if ! "${tool}" -V &> /dev/null; then + mptcp_lib_pr_skip "Could not run all tests without ${tool}" + exit ${KSFT_SKIP} + fi + ;; + *) + mptcp_lib_pr_fail "Internal error: unsupported tool: ${tool}" + exit ${KSFT_FAIL} + ;; + esac + done +} + +mptcp_lib_ns_init() { + local sec rndh + + sec=$(date +%s) + rndh=$(printf %x "${sec}")-$(mktemp -u XXXXXX) + + local netns + for netns in "${@}"; do + eval "${netns}=${netns}-${rndh}" + + ip netns add "${!netns}" || exit ${KSFT_SKIP} + ip -net "${!netns}" link set lo up + ip netns exec "${!netns}" sysctl -q net.mptcp.enabled=1 + ip netns exec "${!netns}" sysctl -q net.ipv4.conf.all.rp_filter=0 + ip netns exec "${!netns}" sysctl -q net.ipv4.conf.default.rp_filter=0 + done +} + +mptcp_lib_ns_exit() { + local netns + for netns in "${@}"; do + ip netns del "${netns}" + rm -f /tmp/"${netns}".{nstat,out} + done +} + +mptcp_lib_events() { + local ns="${1}" + local evts="${2}" + declare -n pid="${3}" + + :>"${evts}" + + mptcp_lib_kill_wait "${pid:-0}" + ip netns exec "${ns}" ./pm_nl_ctl events >> "${evts}" 2>&1 & + pid=$! +} + +mptcp_lib_print_title() { + : "${MPTCP_LIB_TEST_COUNTER:?}" + : "${MPTCP_LIB_TEST_FORMAT:?}" + + # shellcheck disable=SC2059 # the format is in a variable + printf "${MPTCP_LIB_TEST_FORMAT}" "$((++MPTCP_LIB_TEST_COUNTER))" "${*}" +} + +# $1: var name ; $2: prev ret +mptcp_lib_check_expected_one() { + local var="${1}" + local exp="e_${var}" + local prev_ret="${2}" + + if [ "${!var}" = "${!exp}" ]; then + return 0 + fi + + if [ "${prev_ret}" = "0" ]; then + mptcp_lib_pr_fail + fi + + mptcp_lib_print_err "Expected value for '${var}': '${!exp}', got '${!var}'." + return 1 +} + +# $@: all var names to check +mptcp_lib_check_expected() { + local rc=0 + local var + + for var in "${@}"; do + mptcp_lib_check_expected_one "${var}" "${rc}" || rc=1 + done + + return "${rc}" +} + +# shellcheck disable=SC2034 # Some variables are used below but indirectly +mptcp_lib_verify_listener_events() { + local evt=${1} + local e_type=${2} + local e_family=${3} + local e_saddr=${4} + local e_sport=${5} + local type + local family + local saddr + local sport + local rc=0 + + type=$(mptcp_lib_evts_get_info type "${evt}" "${e_type}") + family=$(mptcp_lib_evts_get_info family "${evt}" "${e_type}") + if [ "${family}" ] && [ "${family}" = "${AF_INET6}" ]; then + saddr=$(mptcp_lib_evts_get_info saddr6 "${evt}" "${e_type}") + else + saddr=$(mptcp_lib_evts_get_info saddr4 "${evt}" "${e_type}") + fi + sport=$(mptcp_lib_evts_get_info sport "${evt}" "${e_type}") + + mptcp_lib_check_expected "type" "family" "saddr" "sport" || rc="${?}" + return "${rc}" +} |