1 #!/bin/sh 2 # Copyright (c) 2014-2016 Oracle and/or its affiliates. All Rights Reserved. 3 # 4 # This program is free software; you can redistribute it and/or 5 # modify it under the terms of the GNU General Public License as 6 # published by the Free Software Foundation; either version 2 of 7 # the License, or (at your option) any later version. 8 # 9 # This program is distributed in the hope that it would be useful, 10 # but WITHOUT ANY WARRANTY; without even the implied warranty of 11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 # GNU General Public License for more details. 13 # 14 # You should have received a copy of the GNU General Public License 15 # along with this program. If not, see <http://www.gnu.org/licenses/>. 16 # 17 # Author: Alexey Kodanev <alexey.kodanev (at] oracle.com> 18 # 19 # VxLAN 20 # ----- 21 # Virtual eXtensible Local Area Network (VxLAN) provides L2 networks 22 # over existed L3 networks. It is using UDP (port 8472) to encapsulate 23 # data packets. More information: 24 # http://tools.ietf.org/html/draft-mahalingam-dutt-dcops-vxlan-08 25 # 26 # Warning: Test assumes that machines don't have any existed VxLANs. 27 # If machine has VxLANs, the test might fail or eventually delete 28 # them in cleanup function. See "start_vni" variable which can 29 # solve it. 30 31 ip_local=$(tst_ipaddr) 32 ip_virt_local="192.168.124.1" 33 ip6_virt_local="fe80::381c:c0ff:fea8:7c01" 34 mac_virt_local="3A:1C:C0:A8:7C:01" 35 36 ip_remote=$(tst_ipaddr rhost) 37 ip_virt_remote="192.168.124.2" 38 ip6_virt_remote="fe80::381c:c0ff:fea8:7c02" 39 mac_virt_remote="3A:1C:C0:A8:7C:02" 40 41 # Max performance loss (%) for virtual devices during network load 42 VIRT_PERF_THRESHOLD=${VIRT_PERF_THRESHOLD:-80} 43 vxlan_dstport=0 44 45 clients_num=2 46 client_requests=500000 47 max_requests=20 48 49 while getopts :hsx:i:r:c:R:p:n:t:d:6 opt; do 50 case "$opt" in 51 h) 52 echo "Usage:" 53 echo "h help" 54 echo "s use ssh to run remote cmds" 55 echo "x n n is a number of interfaces for tc1 and tc2" 56 echo "i n start ID to use" 57 echo "r n client requests for TCP performance test" 58 echo "c n clients run concurrently in TCP perf" 59 echo "R n num of reqs, after which conn.closed in TCP perf" 60 echo "p x x and x + 1 are ports in TCP perf" 61 echo "n x virtual network 192.168.x" 62 echo "t x performance threshold, default is 60%" 63 echo "d x VxLAN destination address, 'uni' or 'multi'" 64 echo "6 run over IPv6" 65 exit 0 66 ;; 67 s) TST_USE_SSH=1 ;; 68 x) virt_count=$OPTARG ;; 69 i) start_id=$OPTARG ;; 70 c) clients_num=$OPTARG ;; 71 r) client_requests=$OPTARG ;; 72 R) max_requests=$OPTARG ;; 73 p) srv_port=$OPTARG ;; 74 n) 75 ip_virt_local="192.168.${OPTARG}.1" 76 ip_virt_remote="192.168.${OPTARG}.2" 77 ;; 78 t) VIRT_PERF_THRESHOLD=$OPTARG ;; 79 d) vxlan_dst_addr=$OPTARG ;; 80 6) # skip, test_net library already processed it 81 ;; 82 *) 83 tst_brkm TBROK "unknown option: $opt" 84 ;; 85 esac 86 done 87 88 cleanup_vifaces() 89 { 90 tst_resm TINFO "cleanup virtual interfaces..." 91 local viface=`ip li | sed -nE 's/^[0-9]+: (ltp_v[0-9]+)[@:].+/\1/p'` 92 for vx in $viface; do 93 ip link delete $vx 94 done 95 } 96 97 TST_CLEANUP="cleanup_vifaces" 98 trap "tst_brkm TBROK 'test interrupted'" INT 99 100 virt_add() 101 { 102 local vname=$1 103 shift 104 local opt="$*" 105 106 case $virt_type in 107 vlan|vxlan) 108 [ -z "$opt" ] && opt="id 4094" 109 [ "$vxlan_dstport" -eq 1 ] && opt="dstport 0 $opt" 110 ;; 111 geneve) 112 [ -z "$opt" ] && opt="id 4094 remote $(tst_ipaddr rhost)" 113 ;; 114 gre|ip6gre) 115 [ -z "$opt" ] && \ 116 opt="remote $(tst_ipaddr rhost) dev $(tst_iface)" 117 ;; 118 esac 119 120 case $virt_type in 121 vxlan|geneve) 122 ip li add $vname type $virt_type $opt 123 ;; 124 gre|ip6gre) 125 ip -f inet$TST_IPV6 tu add $vname mode $virt_type $opt 126 ;; 127 *) 128 ip li add link $(tst_iface) $vname type $virt_type $opt 129 ;; 130 esac 131 } 132 133 virt_add_rhost() 134 { 135 local opt="" 136 case $virt_type in 137 vxlan|geneve) 138 [ "$vxlan_dstport" -eq 1 ] && opt="dstport 0" 139 tst_rhost_run -s -c "ip li add ltp_v0 type $virt_type $@ $opt" 140 ;; 141 gre|ip6gre) 142 tst_rhost_run -s -c "ip -f inet$TST_IPV6 tu add ltp_v0 \ 143 mode $virt_type $@" 144 ;; 145 *) 146 tst_rhost_run -s -c "ip li add link $(tst_iface rhost) ltp_v0 \ 147 type $virt_type $@" 148 ;; 149 esac 150 } 151 152 virt_multiple_add_test() 153 { 154 local opt="$@" 155 local max=$(($start_id + $virt_count - 1)) 156 157 tst_resm TINFO "add $virt_count $virt_type, then delete" 158 159 for i in $(seq $start_id $max); do 160 ROD_SILENT "virt_add ltp_v$i id $i $opt" 161 ROD_SILENT "ip link set ltp_v$i up" 162 done 163 164 for i in $(seq $start_id $max); do 165 ROD_SILENT "ip link set ltp_v$i down" 166 ROD_SILENT "ip link delete ltp_v$i" 167 done 168 169 tst_resm TPASS "done" 170 } 171 172 virt_add_delete_test() 173 { 174 local opt="$@" 175 local max=$(($virt_count - 1)) 176 177 tst_resm TINFO "add/del $virt_type $virt_count times" 178 179 for i in $(seq 0 $max); do 180 ROD_SILENT "virt_add ltp_v0 $opt" 181 ROD_SILENT "ip link set ltp_v0 up" 182 ROD_SILENT "ip link delete ltp_v0" 183 done 184 tst_resm TPASS "done" 185 } 186 187 virt_setup() 188 { 189 local opt="$1" 190 local opt_r="$2" 191 192 tst_resm TINFO "setup local ${virt_type} with '$opt'" 193 ROD_SILENT "virt_add ltp_v0 $opt" 194 195 tst_resm TINFO "setup rhost ${virt_type} with '$opt_r'" 196 virt_add_rhost "$opt_r" 197 198 case $virt_type in 199 gre|ip6gre) 200 # We can't set hwaddr to GRE tunnel, add IPv6 link local 201 # addresses manually. 202 ROD_SILENT "ip addr add ${ip6_virt_local}/64 dev ltp_v0" 203 tst_rhost_run -s -c "ip ad add ${ip6_virt_remote}/64 dev ltp_v0" 204 ;; 205 *) 206 ROD_SILENT "ip li set ltp_v0 address $mac_virt_local" 207 tst_rhost_run -s -c "ip li set ltp_v0 address $mac_virt_remote" 208 ;; 209 esac 210 211 ROD_SILENT "ip addr add ${ip_virt_local}/24 dev ltp_v0" 212 tst_rhost_run -s -c "ip addr add ${ip_virt_remote}/24 dev ltp_v0" 213 214 ROD_SILENT "ip li set up ltp_v0" 215 tst_rhost_run -s -c "ip li set up ltp_v0" 216 } 217 218 vxlan_setup_subnet_uni() 219 { 220 if tst_kvcmp -lt "3.10"; then 221 tst_brkm TCONF "test must be run with kernel 3.10 or newer" 222 fi 223 224 [ "$(ip li add type $virt_type help 2>&1 | grep remote)" ] || \ 225 tst_brkm TCONF "iproute doesn't support remote unicast address" 226 227 local opt="$1 remote $(tst_ipaddr rhost)" 228 local opt_r="$2 remote $(tst_ipaddr)" 229 230 virt_setup "$opt" "$opt_r" 231 } 232 233 vxlan_setup_subnet_multi() 234 { 235 tst_check_cmds "od" 236 local b1=$(($(od -An -d -N1 /dev/urandom) % 254 + 1)) 237 local b2=$(($(od -An -d -N1 /dev/urandom) % 254 + 1)) 238 local b3=$(($(od -An -d -N1 /dev/urandom) % 254 + 1)) 239 240 local grp= 241 if [ "$TST_IPV6" ]; then 242 grp="group ff05::$(printf '%x:%x%x' $b1 $b2 $b3)" 243 else 244 grp="group 239.$b1.$b2.$b3" 245 fi 246 247 local opt="$1 $grp dev $(tst_iface)" 248 local opt_r="$2 $grp dev $(tst_iface rhost)" 249 250 virt_setup "$opt" "$opt_r" 251 } 252 253 virt_compare_netperf() 254 { 255 local ret1="pass" 256 local ret2="pass" 257 local expect_res="${1:-pass}" 258 259 tst_netload -H $ip_virt_remote -a $clients_num -R $max_requests \ 260 -r $client_requests -d res_ipv4 -e $expect_res || ret1="fail" 261 262 tst_netload -H ${ip6_virt_remote}%ltp_v0 -a $clients_num \ 263 -R $max_requests -r $client_requests -d res_ipv6 \ 264 -e $expect_res || ret2="fail" 265 266 ROD_SILENT "ip link delete ltp_v0" 267 tst_rhost_run -s -c "ip link delete ltp_v0" 268 269 [ "$ret1" = "fail" -o "$ret2" = "fail" ] && return 270 271 local vt="$(cat res_ipv4)" 272 local vt6="$(cat res_ipv6)" 273 274 tst_netload -H $ip_remote -a $clients_num -R $max_requests \ 275 -r $client_requests -d res_ipv4 276 277 local lt="$(cat res_ipv4)" 278 tst_resm TINFO "time lan($lt) $virt_type IPv4($vt) and IPv6($vt6) ms" 279 280 per=$(( $vt * 100 / $lt - 100 )) 281 per6=$(( $vt6 * 100 / $lt - 100 )) 282 283 case "$virt_type" in 284 vxlan|geneve) 285 tst_resm TINFO "IP4 $virt_type over IP$ipver slower by $per %" 286 tst_resm TINFO "IP6 $virt_type over IP$ipver slower by $per6 %" 287 ;; 288 *) 289 tst_resm TINFO "IP4 $virt_type slower by $per %" 290 tst_resm TINFO "IP6 $virt_type slower by $per6 %" 291 esac 292 293 if [ "$per" -ge "$VIRT_PERF_THRESHOLD" -o \ 294 "$per6" -ge "$VIRT_PERF_THRESHOLD" ]; then 295 tst_resm TFAIL "Test failed, threshold: $VIRT_PERF_THRESHOLD %" 296 else 297 tst_resm TPASS "Test passed, threshold: $VIRT_PERF_THRESHOLD %" 298 fi 299 } 300 301 virt_check_cmd() 302 { 303 $@ > /dev/null 2>&1 304 if [ $? -ne 0 ]; then 305 tst_resm TCONF "'$@' option(s) not supported, skipping it" 306 return 1 307 fi 308 ROD_SILENT "ip li delete ltp_v0" 309 return 0 310 } 311 312 # Check if we can create then delete virtual interface n times. 313 # virt_test_01 [OPTIONS] 314 # OPTIONS - different options separated by comma. 315 virt_test_01() 316 { 317 start_id=${start_id:-"1"} 318 virt_count=${virt_count:-"400"} 319 320 local opts=${1:-""} 321 local n=0 322 323 while true; do 324 n=$((n + 1)) 325 p="$(echo $opts | cut -d',' -f$n)" 326 if [ -z "$p" -a $n -gt 1 ]; then 327 break 328 fi 329 330 tst_resm TINFO "add $virt_type with '$p'" 331 332 virt_check_cmd virt_add ltp_v0 id 0 $p || continue 333 334 virt_multiple_add_test "$p" 335 336 start_id=$(($start_id + $virt_count)) 337 done 338 } 339 340 # Check if we can create then delete virtual interface n times. 341 # virt_test_02 [OPTIONS] 342 # OPTIONS - different options separated by comma. 343 virt_test_02() 344 { 345 start_id=${start_id:-"1"} 346 virt_count=${virt_count:-"500"} 347 348 local opts=${1:-""} 349 local n=0 350 351 while true; do 352 n=$((n + 1)) 353 p="$(echo $opts | cut -d',' -f$n)" 354 if [ -z "$p" -a $n -gt 1 ]; then 355 break 356 fi 357 358 tst_resm TINFO "add and then delete $virt_type with '$p'" 359 360 virt_check_cmd virt_add ltp_v0 $p || continue 361 362 virt_add_delete_test "$p" 363 364 start_id=$(($start_id + $virt_count)) 365 done 366 } 367 368 tst_require_root 369 370 case "$virt_type" in 371 vxlan|geneve) 372 if tst_kvcmp -lt "3.8"; then 373 tst_brkm TCONF "test must be run with kernel 3.8 or newer" 374 fi 375 376 if [ "$TST_IPV6" ] && tst_kvcmp -lt "3.12"; then 377 tst_brkm TCONF "test must be run with kernels >= 3.12" 378 fi 379 380 # newer versions of 'ip' complain if this option not set 381 ip li add type vxlan help 2>&1 | grep -q dstport && vxlan_dstport=1 382 ;; 383 esac 384 385 ipver=${TST_IPV6:-'4'} 386 387 tst_check_cmds "ip" 388 389 virt_add ltp_v0 || \ 390 tst_brkm TCONF "iproute2 or kernel doesn't support $virt_type" 391 392 ROD_SILENT "ip link delete ltp_v0" 393
