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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
readonly KSFT_PASS=0
readonly KSFT_FAIL=1
readonly KSFT_SKIP=4
# shellcheck disable=SC2155 # declare and assign separately
readonly KSFT_TEST=$(basename "${0}" | sed 's/\.sh$//g')
MPTCP_LIB_SUBTESTS=()
# only if supported (or forced) and not disabled, see no-color.org
if { [ -t 1 ] || [ "${SELFTESTS_MPTCP_LIB_COLOR_FORCE:-}" = "1" ]; } &&
[ "${NO_COLOR:-}" != "1" ]; then
readonly MPTCP_LIB_COLOR_RED="\E[1;31m"
readonly MPTCP_LIB_COLOR_GREEN="\E[1;32m"
readonly MPTCP_LIB_COLOR_YELLOW="\E[1;33m"
readonly MPTCP_LIB_COLOR_BLUE="\E[1;34m"
readonly MPTCP_LIB_COLOR_RESET="\E[0m"
else
readonly MPTCP_LIB_COLOR_RED=
readonly MPTCP_LIB_COLOR_GREEN=
readonly MPTCP_LIB_COLOR_YELLOW=
readonly MPTCP_LIB_COLOR_BLUE=
readonly MPTCP_LIB_COLOR_RESET=
fi
# $1: color, $2: text
mptcp_lib_print_color() {
echo -e "${MPTCP_LIB_START_PRINT:-}${*}${MPTCP_LIB_COLOR_RESET}"
}
mptcp_lib_print_ok() {
mptcp_lib_print_color "${MPTCP_LIB_COLOR_GREEN}${*}"
}
mptcp_lib_print_warn() {
mptcp_lib_print_color "${MPTCP_LIB_COLOR_YELLOW}${*}"
}
mptcp_lib_print_info() {
mptcp_lib_print_color "${MPTCP_LIB_COLOR_BLUE}${*}"
}
mptcp_lib_print_err() {
mptcp_lib_print_color "${MPTCP_LIB_COLOR_RED}${*}"
}
# 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.
mptcp_lib_expect_all_features() {
[ "${SELFTESTS_MPTCP_LIB_EXPECT_ALL_FEATURES:-}" = "1" ]
}
# $1: msg
mptcp_lib_fail_if_expected_feature() {
if mptcp_lib_expect_all_features; then
echo "ERROR: missing feature: ${*}"
exit ${KSFT_FAIL}
fi
return 1
}
# $1: file
mptcp_lib_has_file() {
local f="${1}"
if [ -f "${f}" ]; then
return 0
fi
mptcp_lib_fail_if_expected_feature "${f} file not found"
}
mptcp_lib_check_mptcp() {
if ! mptcp_lib_has_file "/proc/sys/net/mptcp/enabled"; then
echo "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"
exit ${KSFT_SKIP}
fi
}
# Internal: use mptcp_lib_kallsyms_has() instead
__mptcp_lib_kallsyms_has() {
local sym="${1}"
mptcp_lib_check_kallsyms
grep -q " ${sym}" /proc/kallsyms
}
# $1: part of a symbol to look at, add '$' at the end for full name
mptcp_lib_kallsyms_has() {
local sym="${1}"
if __mptcp_lib_kallsyms_has "${sym}"; then
return 0
fi
mptcp_lib_fail_if_expected_feature "${sym} symbol not found"
}
# $1: part of a symbol to look at, add '$' at the end for full name
mptcp_lib_kallsyms_doesnt_have() {
local sym="${1}"
if ! __mptcp_lib_kallsyms_has "${sym}"; then
return 0
fi
mptcp_lib_fail_if_expected_feature "${sym} symbol has been found"
}
# !!!AVOID USING THIS!!!
# Features might not land in the expected version and features can be backported
#
# $1: kernel version, e.g. 6.3
mptcp_lib_kversion_ge() {
local exp_maj="${1%.*}"
local exp_min="${1#*.}"
local v maj min
# If the kernel has backported features, set this env var to 1:
if [ "${SELFTESTS_MPTCP_LIB_NO_KVERSION_CHECK:-}" = "1" ]; then
return 0
fi
v=$(uname -r | cut -d'.' -f1,2)
maj=${v%.*}
min=${v#*.}
if [ "${maj}" -gt "${exp_maj}" ] ||
{ [ "${maj}" -eq "${exp_maj}" ] && [ "${min}" -ge "${exp_min}" ]; }; then
return 0
fi
mptcp_lib_fail_if_expected_feature "kernel version ${1} lower than ${v}"
}
__mptcp_lib_result_add() {
local result="${1}"
shift
local id=$((${#MPTCP_LIB_SUBTESTS[@]} + 1))
MPTCP_LIB_SUBTESTS+=("${result} ${id} - ${KSFT_TEST}: ${*}")
}
# $1: test name
mptcp_lib_result_pass() {
__mptcp_lib_result_add "ok" "${1}"
}
# $1: test name
mptcp_lib_result_fail() {
__mptcp_lib_result_add "not ok" "${1}"
}
# $1: test name
mptcp_lib_result_skip() {
__mptcp_lib_result_add "ok" "${1} # SKIP"
}
# $1: result code ; $2: test name
mptcp_lib_result_code() {
local ret="${1}"
local name="${2}"
case "${ret}" in
"${KSFT_PASS}")
mptcp_lib_result_pass "${name}"
;;
"${KSFT_FAIL}")
mptcp_lib_result_fail "${name}"
;;
"${KSFT_SKIP}")
mptcp_lib_result_skip "${name}"
;;
*)
echo "ERROR: wrong result code: ${ret}"
exit ${KSFT_FAIL}
;;
esac
}
mptcp_lib_result_print_all_tap() {
local subtest
if [ ${#MPTCP_LIB_SUBTESTS[@]} -eq 0 ] ||
[ "${SELFTESTS_MPTCP_LIB_NO_TAP:-}" = "1" ]; then
return
fi
printf "\nTAP version 13\n"
printf "1..%d\n" "${#MPTCP_LIB_SUBTESTS[@]}"
for subtest in "${MPTCP_LIB_SUBTESTS[@]}"; do
printf "%s\n" "${subtest}"
done
}
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