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-rw-r--r--tools/testing/selftests/net/mptcp/mptcp_lib.sh213
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}"
+}