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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
. "$(dirname "${0}")/mptcp_lib.sh"
ret=0
usage() {
echo "Usage: $0 [ -i ] [ -h ]"
echo -e "\t-i: use 'ip mptcp' instead of 'pm_nl_ctl'"
echo -e "\t-h: help"
}
optstring=hi
while getopts "$optstring" option;do
case "$option" in
"h")
usage "$0"
exit ${KSFT_PASS}
;;
"i")
mptcp_lib_set_ip_mptcp
;;
"?")
usage "$0"
exit ${KSFT_FAIL}
;;
esac
done
ns1=""
err=$(mktemp)
# This function is used in the cleanup trap
#shellcheck disable=SC2317
cleanup()
{
rm -f "${err}"
mptcp_lib_ns_exit "${ns1}"
}
mptcp_lib_check_mptcp
mptcp_lib_check_tools ip
trap cleanup EXIT
mptcp_lib_ns_init ns1
format_limits() {
local accept="${1}"
local subflows="${2}"
if mptcp_lib_is_ip_mptcp; then
# with a space at the end
printf "add_addr_accepted %d subflows %d \n" "${accept}" "${subflows}"
else
printf "accept %d\nsubflows %d\n" "${accept}" "${subflows}"
fi
}
get_limits() {
if mptcp_lib_is_ip_mptcp; then
ip -n "${ns1}" mptcp limits
else
ip netns exec "${ns1}" ./pm_nl_ctl limits
fi
}
format_endpoints() {
mptcp_lib_pm_nl_format_endpoints "${@}"
}
get_endpoint() {
# shellcheck disable=SC2317 # invoked indirectly
mptcp_lib_pm_nl_get_endpoint "${ns1}" "${@}"
}
change_address() {
local addr=${1}
local flags=${2}
if mptcp_lib_is_ip_mptcp; then
ip -n "${ns1}" mptcp endpoint change "${addr}" "${flags}"
else
ip netns exec "${ns1}" ./pm_nl_ctl set "${addr}" flags "${flags}"
fi
}
set_limits()
{
mptcp_lib_pm_nl_set_limits "${ns1}" "${@}"
}
add_endpoint()
{
mptcp_lib_pm_nl_add_endpoint "${ns1}" "${@}"
}
del_endpoint()
{
mptcp_lib_pm_nl_del_endpoint "${ns1}" "${@}"
}
flush_endpoint()
{
mptcp_lib_pm_nl_flush_endpoint "${ns1}"
}
show_endpoints()
{
mptcp_lib_pm_nl_show_endpoints "${ns1}"
}
change_endpoint()
{
mptcp_lib_pm_nl_change_endpoint "${ns1}" "${@}"
}
check()
{
local cmd="$1"
local expected="$2"
local msg="$3"
local rc=0
mptcp_lib_print_title "$msg"
mptcp_lib_check_output "${err}" "${cmd}" "${expected}" || rc=${?}
if [ ${rc} -eq 2 ]; then
mptcp_lib_result_fail "${msg} # error ${rc}"
ret=${KSFT_FAIL}
elif [ ${rc} -eq 0 ]; then
mptcp_lib_print_ok "[ OK ]"
mptcp_lib_result_pass "${msg}"
elif [ ${rc} -eq 1 ]; then
mptcp_lib_result_fail "${msg} # different output"
ret=${KSFT_FAIL}
fi
}
mptcp_lib_subtests_last_ts_reset
check "show_endpoints" "" "defaults addr list"
default_limits="$(get_limits)"
if mptcp_lib_expect_all_features; then
check "get_limits" "$(format_limits 0 2)" "defaults limits"
fi
add_endpoint 10.0.1.1
add_endpoint 10.0.1.2 flags subflow dev lo
add_endpoint 10.0.1.3 flags signal,backup
check "get_endpoint 1" "$(format_endpoints "1,10.0.1.1")" "simple add/get addr"
check "show_endpoints" \
"$(format_endpoints "1,10.0.1.1" \
"2,10.0.1.2,subflow,lo" \
"3,10.0.1.3,signal backup")" "dump addrs"
del_endpoint 2
check "get_endpoint 2" "" "simple del addr"
check "show_endpoints" \
"$(format_endpoints "1,10.0.1.1" \
"3,10.0.1.3,signal backup")" "dump addrs after del"
add_endpoint 10.0.1.3 2>/dev/null
check "get_endpoint 4" "" "duplicate addr"
add_endpoint 10.0.1.4 flags signal
check "get_endpoint 4" "$(format_endpoints "4,10.0.1.4,signal")" "id addr increment"
for i in $(seq 5 9); do
add_endpoint "10.0.1.${i}" flags signal >/dev/null 2>&1
done
check "get_endpoint 9" "$(format_endpoints "9,10.0.1.9,signal")" "hard addr limit"
check "get_endpoint 10" "" "above hard addr limit"
del_endpoint 9
for i in $(seq 10 255); do
add_endpoint 10.0.0.9 id "${i}"
del_endpoint "${i}"
done
check "show_endpoints" \
"$(format_endpoints "1,10.0.1.1" \
"3,10.0.1.3,signal backup" \
"4,10.0.1.4,signal" \
"5,10.0.1.5,signal" \
"6,10.0.1.6,signal" \
"7,10.0.1.7,signal" \
"8,10.0.1.8,signal")" "id limit"
flush_endpoint
check "show_endpoints" "" "flush addrs"
set_limits 9 1 2>/dev/null
check "get_limits" "${default_limits}" "rcv addrs above hard limit"
set_limits 1 9 2>/dev/null
check "get_limits" "${default_limits}" "subflows above hard limit"
set_limits 8 8
check "get_limits" "$(format_limits 8 8)" "set limits"
flush_endpoint
add_endpoint 10.0.1.1
add_endpoint 10.0.1.2
add_endpoint 10.0.1.3 id 100
add_endpoint 10.0.1.4
add_endpoint 10.0.1.5 id 254
add_endpoint 10.0.1.6
add_endpoint 10.0.1.7
add_endpoint 10.0.1.8
check "show_endpoints" \
"$(format_endpoints "1,10.0.1.1" \
"2,10.0.1.2" \
"3,10.0.1.7" \
"4,10.0.1.8" \
"100,10.0.1.3" \
"101,10.0.1.4" \
"254,10.0.1.5" \
"255,10.0.1.6")" "set ids"
flush_endpoint
add_endpoint 10.0.0.1
add_endpoint 10.0.0.2 id 254
add_endpoint 10.0.0.3
add_endpoint 10.0.0.4
add_endpoint 10.0.0.5 id 253
add_endpoint 10.0.0.6
add_endpoint 10.0.0.7
add_endpoint 10.0.0.8
check "show_endpoints" \
"$(format_endpoints "1,10.0.0.1" \
"2,10.0.0.4" \
"3,10.0.0.6" \
"4,10.0.0.7" \
"5,10.0.0.8" \
"253,10.0.0.5" \
"254,10.0.0.2" \
"255,10.0.0.3")" "wrap-around ids"
flush_endpoint
add_endpoint 10.0.1.1 flags subflow
change_address 10.0.1.1 backup
check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow backup")" \
"set flags (backup)"
change_address 10.0.1.1 nobackup
check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow")" \
" (nobackup)"
# fullmesh support has been added later
change_endpoint 1 fullmesh 2>/dev/null
if show_endpoints | grep -q "fullmesh" ||
mptcp_lib_expect_all_features; then
check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow fullmesh")" \
" (fullmesh)"
change_endpoint 1 nofullmesh
check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow")" \
" (nofullmesh)"
change_endpoint 1 backup,fullmesh
check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow backup fullmesh")" \
" (backup,fullmesh)"
else
for st in fullmesh nofullmesh backup,fullmesh; do
st=" (${st})"
mptcp_lib_print_title "${st}"
mptcp_lib_pr_skip
mptcp_lib_result_skip "${st}"
done
fi
mptcp_lib_result_print_all_tap
exit $ret
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