79 lines
1.6 KiB
Bash
79 lines
1.6 KiB
Bash
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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readonly KSFT_FAIL=1
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readonly KSFT_SKIP=4
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# SELFTESTS_MPTCP_LIB_EXPECT_ALL_FEATURES env var can be set when validating all
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# features using the last version of the kernel and the selftests to make sure
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# a test is not being skipped by mistake.
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mptcp_lib_expect_all_features() {
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[ "${SELFTESTS_MPTCP_LIB_EXPECT_ALL_FEATURES:-}" = "1" ]
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}
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# $1: msg
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mptcp_lib_fail_if_expected_feature() {
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if mptcp_lib_expect_all_features; then
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echo "ERROR: missing feature: ${*}"
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exit ${KSFT_FAIL}
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fi
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return 1
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}
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# $1: file
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mptcp_lib_has_file() {
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local f="${1}"
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if [ -f "${f}" ]; then
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return 0
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fi
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mptcp_lib_fail_if_expected_feature "${f} file not found"
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}
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mptcp_lib_check_mptcp() {
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if ! mptcp_lib_has_file "/proc/sys/net/mptcp/enabled"; then
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echo "SKIP: MPTCP support is not available"
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exit ${KSFT_SKIP}
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fi
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}
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mptcp_lib_check_kallsyms() {
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if ! mptcp_lib_has_file "/proc/kallsyms"; then
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echo "SKIP: CONFIG_KALLSYMS is missing"
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exit ${KSFT_SKIP}
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fi
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}
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# Internal: use mptcp_lib_kallsyms_has() instead
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__mptcp_lib_kallsyms_has() {
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local sym="${1}"
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mptcp_lib_check_kallsyms
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grep -q " ${sym}" /proc/kallsyms
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}
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# $1: part of a symbol to look at, add '$' at the end for full name
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mptcp_lib_kallsyms_has() {
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local sym="${1}"
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if __mptcp_lib_kallsyms_has "${sym}"; then
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return 0
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fi
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mptcp_lib_fail_if_expected_feature "${sym} symbol not found"
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}
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# $1: part of a symbol to look at, add '$' at the end for full name
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mptcp_lib_kallsyms_doesnt_have() {
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local sym="${1}"
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if ! __mptcp_lib_kallsyms_has "${sym}"; then
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return 0
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fi
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mptcp_lib_fail_if_expected_feature "${sym} symbol has been found"
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}
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