tools/testing/selftests/net/mptcp/pm_netlink.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 . "$(dirname "${0}")/mptcp_lib.sh"
   5
   6 ret=0
   7
   8 usage() {
   9         echo "Usage: $0 [ -i ] [ -h ]"
  10         echo -e "\t-i: use 'ip mptcp' instead of 'pm_nl_ctl'"
  11         echo -e "\t-h: help"
  12 }
  13
  14 optstring=hi
  15 while getopts "$optstring" option;do
  16         case "$option" in
  17         "h")
  18                 usage "$0"
  19                 exit ${KSFT_PASS}
  20                 ;;
  21         "i")
  22                 mptcp_lib_set_ip_mptcp
  23                 ;;
  24         "?")
  25                 usage "$0"
  26                 exit ${KSFT_FAIL}
  27                 ;;
  28         esac
  29 done
  30
  31 ns1=""
  32 err=$(mktemp)
  33
  34 # This function is used in the cleanup trap
  35 #shellcheck disable=SC2317
  36 cleanup()
  37 {
  38         rm -f "${err}"
  39         mptcp_lib_ns_exit "${ns1}"
  40 }
  41
  42 mptcp_lib_check_mptcp
  43 mptcp_lib_check_tools ip
  44
  45 trap cleanup EXIT
  46
  47 mptcp_lib_ns_init ns1
  48
  49 format_limits() {
  50         local accept="${1}"
  51         local subflows="${2}"
  52
  53         if mptcp_lib_is_ip_mptcp; then
  54                 # with a space at the end
  55                 printf "add_addr_accepted %d subflows %d \n" "${accept}" "${subflows}"
  56         else
  57                 printf "accept %d\nsubflows %d\n" "${accept}" "${subflows}"
  58         fi
  59 }
  60
  61 get_limits() {
  62         if mptcp_lib_is_ip_mptcp; then
  63                 ip -n "${ns1}" mptcp limits
  64         else
  65                 ip netns exec "${ns1}" ./pm_nl_ctl limits
  66         fi
  67 }
  68
  69 format_endpoints() {
  70         mptcp_lib_pm_nl_format_endpoints "${@}"
  71 }
  72
  73 get_endpoint() {
  74         # shellcheck disable=SC2317 # invoked indirectly
  75         mptcp_lib_pm_nl_get_endpoint "${ns1}" "${@}"
  76 }
  77
  78 change_address() {
  79         local addr=${1}
  80         local flags=${2}
  81
  82         if mptcp_lib_is_ip_mptcp; then
  83                 ip -n "${ns1}" mptcp endpoint change "${addr}" "${flags}"
  84         else
  85                 ip netns exec "${ns1}" ./pm_nl_ctl set "${addr}" flags "${flags}"
  86         fi
  87 }
  88
  89 set_limits()
  90 {
  91         mptcp_lib_pm_nl_set_limits "${ns1}" "${@}"
  92 }
  93
  94 add_endpoint()
  95 {
  96         mptcp_lib_pm_nl_add_endpoint "${ns1}" "${@}"
  97 }
  98
  99 del_endpoint()
 100 {
 101         mptcp_lib_pm_nl_del_endpoint "${ns1}" "${@}"
 102 }
 103
 104 flush_endpoint()
 105 {
 106         mptcp_lib_pm_nl_flush_endpoint "${ns1}"
 107 }
 108
 109 show_endpoints()
 110 {
 111         mptcp_lib_pm_nl_show_endpoints "${ns1}"
 112 }
 113
 114 change_endpoint()
 115 {
 116         mptcp_lib_pm_nl_change_endpoint "${ns1}" "${@}"
 117 }
 118
 119 check()
 120 {
 121         local cmd="$1"
 122         local expected="$2"
 123         local msg="$3"
 124         local rc=0
 125
 126         mptcp_lib_print_title "$msg"
 127         mptcp_lib_check_output "${err}" "${cmd}" "${expected}" || rc=${?}
 128         if [ ${rc} -eq 2 ]; then
 129                 mptcp_lib_result_fail "${msg} # error ${rc}"
 130                 ret=${KSFT_FAIL}
 131         elif [ ${rc} -eq 0 ]; then
 132                 mptcp_lib_print_ok "[ OK ]"
 133                 mptcp_lib_result_pass "${msg}"
 134         elif [ ${rc} -eq 1 ]; then
 135                 mptcp_lib_result_fail "${msg} # different output"
 136                 ret=${KSFT_FAIL}
 137         fi
 138 }
 139
 140 mptcp_lib_subtests_last_ts_reset
 141
 142 check "show_endpoints" "" "defaults addr list"
 143
 144 default_limits="$(get_limits)"
 145 if mptcp_lib_expect_all_features; then
 146         check "get_limits" "$(format_limits 0 2)" "defaults limits"
 147 fi
 148
 149 add_endpoint 10.0.1.1
 150 add_endpoint 10.0.1.2 flags subflow dev lo
 151 add_endpoint 10.0.1.3 flags signal,backup
 152 check "get_endpoint 1" "$(format_endpoints "1,10.0.1.1")" "simple add/get addr"
 153
 154 check "show_endpoints" \
 155         "$(format_endpoints "1,10.0.1.1" \
 156                             "2,10.0.1.2,subflow,lo" \
 157                             "3,10.0.1.3,signal backup")" "dump addrs"
 158
 159 del_endpoint 2
 160 check "get_endpoint 2" "" "simple del addr"
 161 check "show_endpoints" \
 162         "$(format_endpoints "1,10.0.1.1" \
 163                             "3,10.0.1.3,signal backup")" "dump addrs after del"
 164
 165 add_endpoint 10.0.1.3 2>/dev/null
 166 check "get_endpoint 4" "" "duplicate addr"
 167
 168 add_endpoint 10.0.1.4 flags signal
 169 check "get_endpoint 4" "$(format_endpoints "4,10.0.1.4,signal")" "id addr increment"
 170
 171 for i in $(seq 5 9); do
 172         add_endpoint "10.0.1.${i}" flags signal >/dev/null 2>&1
 173 done
 174 check "get_endpoint 9" "$(format_endpoints "9,10.0.1.9,signal")" "hard addr limit"
 175 check "get_endpoint 10" "" "above hard addr limit"
 176
 177 del_endpoint 9
 178 for i in $(seq 10 255); do
 179         add_endpoint 10.0.0.9 id "${i}"
 180         del_endpoint "${i}"
 181 done
 182 check "show_endpoints" \
 183         "$(format_endpoints "1,10.0.1.1" \
 184                             "3,10.0.1.3,signal backup" \
 185                             "4,10.0.1.4,signal" \
 186                             "5,10.0.1.5,signal" \
 187                             "6,10.0.1.6,signal" \
 188                             "7,10.0.1.7,signal" \
 189                             "8,10.0.1.8,signal")" "id limit"
 190
 191 flush_endpoint
 192 check "show_endpoints" "" "flush addrs"
 193
 194 set_limits 9 1 2>/dev/null
 195 check "get_limits" "${default_limits}" "rcv addrs above hard limit"
 196
 197 set_limits 1 9 2>/dev/null
 198 check "get_limits" "${default_limits}" "subflows above hard limit"
 199
 200 set_limits 8 8
 201 check "get_limits" "$(format_limits 8 8)" "set limits"
 202
 203 flush_endpoint
 204 add_endpoint 10.0.1.1
 205 add_endpoint 10.0.1.2
 206 add_endpoint 10.0.1.3 id 100
 207 add_endpoint 10.0.1.4
 208 add_endpoint 10.0.1.5 id 254
 209 add_endpoint 10.0.1.6
 210 add_endpoint 10.0.1.7
 211 add_endpoint 10.0.1.8
 212 check "show_endpoints" \
 213         "$(format_endpoints "1,10.0.1.1" \
 214                             "2,10.0.1.2" \
 215                             "3,10.0.1.7" \
 216                             "4,10.0.1.8" \
 217                             "100,10.0.1.3" \
 218                             "101,10.0.1.4" \
 219                             "254,10.0.1.5" \
 220                             "255,10.0.1.6")" "set ids"
 221
 222 flush_endpoint
 223 add_endpoint 10.0.0.1
 224 add_endpoint 10.0.0.2 id 254
 225 add_endpoint 10.0.0.3
 226 add_endpoint 10.0.0.4
 227 add_endpoint 10.0.0.5 id 253
 228 add_endpoint 10.0.0.6
 229 add_endpoint 10.0.0.7
 230 add_endpoint 10.0.0.8
 231 check "show_endpoints" \
 232         "$(format_endpoints "1,10.0.0.1" \
 233                             "2,10.0.0.4" \
 234                             "3,10.0.0.6" \
 235                             "4,10.0.0.7" \
 236                             "5,10.0.0.8" \
 237                             "253,10.0.0.5" \
 238                             "254,10.0.0.2" \
 239                             "255,10.0.0.3")" "wrap-around ids"
 240
 241 flush_endpoint
 242 add_endpoint 10.0.1.1 flags subflow
 243 change_address 10.0.1.1 backup
 244 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow backup")" \
 245         "set flags (backup)"
 246 change_address 10.0.1.1 nobackup
 247 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow")" \
 248         "          (nobackup)"
 249
 250 # fullmesh support has been added later
 251 change_endpoint 1 fullmesh 2>/dev/null
 252 if show_endpoints | grep -q "fullmesh" ||
 253    mptcp_lib_expect_all_features; then
 254         check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow fullmesh")" \
 255                 "          (fullmesh)"
 256         change_endpoint 1 nofullmesh
 257         check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow")" \
 258                 "          (nofullmesh)"
 259         change_endpoint 1 backup,fullmesh
 260         check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow backup fullmesh")" \
 261                 "          (backup,fullmesh)"
 262 else
 263         for st in fullmesh nofullmesh backup,fullmesh; do
 264                 st="          (${st})"
 265                 mptcp_lib_print_title "${st}"
 266                 mptcp_lib_pr_skip
 267                 mptcp_lib_result_skip "${st}"
 268         done
 269 fi
 270
 271 mptcp_lib_result_print_all_tap
 272 exit $ret