selftests/net/pmtu.sh

835 mtu() {  function
838 	mtu="${3}"
840 	${ns_cmd} ip link set dev ${dev} mtu ${mtu}
916 	mtu "${ns_a}"  veth_A-R1 2000
917 	mtu "${ns_r1}" veth_R1-A 2000
918 	mtu "${ns_r1}" veth_R1-B 1400
919 	mtu "${ns_b}"  veth_B-R1 1400
921 	mtu "${ns_a}"  veth_A-R2 2000
922 	mtu "${ns_r2}" veth_R2-A 2000
923 	mtu "${ns_r2}" veth_R2-B 1500
924 	mtu "${ns_b}"  veth_B-R2 1500
937 	mtu "${ns_a}"  veth_A-R1 1300
938 	mtu "${ns_r1}" veth_R1-A 1300
946 	mtu "${ns_a}"  veth_A-R1 1700
947 	mtu "${ns_r1}" veth_R1-A 1700
958 	mtu "${ns_r2}" veth_R2-B 400
959 	mtu "${ns_b}"  veth_B-R2 400
965 	mtu "${ns_a}"  veth_A-R2 500
966 	mtu "${ns_r2}" veth_R2-A 500
971 	mtu "${ns_a}"  veth_A-R2 1500
972 	mtu "${ns_r2}" veth_R2-A 1500
1019 	mtu "${ns_a}"  veth_A-R1 $((${ll_mtu} + 1000))
1020 	mtu "${ns_r1}" veth_R1-A $((${ll_mtu} + 1000))
1021 	mtu "${ns_b}"  veth_B-R1 ${ll_mtu}
1022 	mtu "${ns_r1}" veth_R1-B ${ll_mtu}
1024 	mtu "${ns_a}" ${type}_a $((${ll_mtu} + 1000))
1025 	mtu "${ns_b}" ${type}_b $((${ll_mtu} + 1000))
1096 	mtu "${ns_a}"  veth_A-R1 $((${ll_mtu} + 1000))
1097 	mtu "${ns_a}"  br0       $((${ll_mtu} + 1000))
1098 	mtu "${ns_a}"  veth_A-C  $((${ll_mtu} + 1000))
1099 	mtu "${ns_c}"  veth_C-A  $((${ll_mtu} + 1000))
1100 	mtu "${ns_r1}" veth_R1-A $((${ll_mtu} + 1000))
1101 	mtu "${ns_b}"  veth_B-R1 ${ll_mtu}
1102 	mtu "${ns_r1}" veth_R1-B ${ll_mtu}
1104 	mtu "${ns_a}" ${type}_a $((${ll_mtu} + 1000))
1105 	mtu "${ns_b}" ${type}_b $((${ll_mtu} + 1000))
1186 	mtu ""         veth_A-R1 $((${ll_mtu} + 1000))
1187 	mtu ""         ovs_br0   $((${ll_mtu} + 1000))
1188 	mtu ""         veth_A-C  $((${ll_mtu} + 1000))
1189 	mtu "${ns_c}"  veth_C-A  $((${ll_mtu} + 1000))
1190 	mtu "${ns_r1}" veth_R1-A $((${ll_mtu} + 1000))
1191 	mtu "${ns_b}"  veth_B-R1 ${ll_mtu}
1192 	mtu "${ns_r1}" veth_R1-B ${ll_mtu}
1194 	mtu ""        ${tun_a}  $((${ll_mtu} + 1000))
1195 	mtu "${ns_b}" ${type}_b $((${ll_mtu} + 1000))
1270 	mtu "${ns_a}"  veth_A-R1 $((${ll_mtu} + 1000))
1271 	mtu "${ns_r1}" veth_R1-A $((${ll_mtu} + 1000))
1272 	mtu "${ns_b}"  veth_B-R1 ${ll_mtu}
1273 	mtu "${ns_r1}" veth_R1-B ${ll_mtu}
1275 	mtu "${ns_a}" ${encap}_a $((${ll_mtu} + 1000))
1276 	mtu "${ns_b}" ${encap}_b $((${ll_mtu} + 1000))
1344 	mtu "${ns_a}"  veth_A-R1 $((${ll_mtu} + 1000))
1345 	mtu "${ns_r1}" veth_R1-A $((${ll_mtu} + 1000))
1346 	mtu "${ns_b}"  veth_B-R1 ${ll_mtu}
1347 	mtu "${ns_r1}" veth_R1-B ${ll_mtu}
1349 	mtu "${ns_a}" ip_a $((${ll_mtu} + 1000)) || return
1350 	mtu "${ns_b}" ip_b $((${ll_mtu} + 1000)) || return
1386 	mtu "${ns_a}" veth_a ${veth_mtu}
1387 	mtu "${ns_b}" veth_b ${veth_mtu}
1388 	mtu "${ns_a}" vti4_a ${vti_mtu}
1389 	mtu "${ns_b}" vti4_b ${vti_mtu}
1411 	mtu "${ns_a}" veth_a 4000
1412 	mtu "${ns_b}" veth_b 4000
1413 	mtu "${ns_a}" vti6_a 5000
1414 	mtu "${ns_b}" vti6_b 5000
1422 	mtu "${ns_a}" vti6_a 3000
1427 	mtu "${ns_a}" vti6_a 9000
1471 …run_cmd ${ns_a} ip link add vti4_a mtu ${v} type vti local ${veth4_a_addr} remote ${veth4_b_addr} …
1474 		mtu="$(link_get_mtu "${ns_a}" vti4_a)"
1475 		if [ ${mtu} -lt ${min} -o ${mtu} -gt ${max} ]; then
1476 			err "  vti tunnel created with invalid MTU ${mtu}"
1484 …run_cmd ${ns_a} ip link add vti4_a mtu ${v} type vti local ${veth4_a_addr} remote ${veth4_b_addr} …
1485 		mtu="$(link_get_mtu "${ns_a}" vti4_a)"
1487 		if [ "${mtu}" != "${v}" ]; then
1488 			err "  vti MTU ${mtu} doesn't match configured value ${v}"
1509 …run_cmd ${ns_a} ip link add vti6_a mtu ${v} type vti6 local ${veth6_a_addr} remote ${veth6_b_addr}…
1512 		mtu="$(link_get_mtu "${ns_a}" vti6_a)"
1513 		if [ ${mtu} -lt ${min} -o ${mtu} -gt ${max} ]; then
1522 …run_cmd ${ns_a} ip link add vti6_a mtu ${v} type vti6 local ${veth6_a_addr} remote ${veth6_b_addr}…
1523 		mtu="$(link_get_mtu "${ns_a}" vti6_a)"
1525 		if [ "${mtu}" != "${v}" ]; then
1526 			err "  vti6 MTU ${mtu} doesn't match configured value ${v}"
1537 	run_cmd ${ns_a} ip link add dummy0 mtu 1500 type dummy
1539 	run_cmd ${ns_a} ip link add dummy1 mtu 3000 type dummy
1549 …run_cmd ${ns_a} ip link add vti6_a mtu 1300 type vti6 remote ${dummy6_0_prefix}2 local ${dummy6_0_…
1550 	mtu="$(link_get_mtu "${ns_a}" vti6_a)"
1551 	if [ ${mtu} -ne 1300 ]; then
1552 		err "  vti6 MTU ${mtu} doesn't match configured value 1300"
1559 	mtu="$(link_get_mtu "${ns_a}" vti6_a)"
1560 	if [ ${mtu} -ne $((3000 - 40)) ]; then
1561 		err "  vti MTU ${mtu} is not dummy MTU 3000 minus IPv6 header length"
1566 …run_cmd ${ns_a} ip link set vti6_a mtu 1280 type vti6 remote ${dummy6_0_prefix}2 local ${dummy6_0_…
1567 	mtu="$(link_get_mtu "${ns_a}" vti6_a)"
1568 	if [ ${mtu} -ne 1280 ]; then
1569 		err "  vti6 MTU ${mtu} doesn't match configured value 1280"
1600 	mtu "${ns_a}"  veth_A-R1 $((${ll_mtu} + 1000))
1601 	mtu "${ns_r1}" veth_R1-A $((${ll_mtu} + 1000))
1602 	mtu "${ns_b}"  veth_B-R1 ${ll_mtu}
1603 	mtu "${ns_r1}" veth_R1-B ${ll_mtu}
1605 	mtu "${ns_a}" ${encap}_a $((${ll_mtu} + 1000))
1606 	mtu "${ns_b}" ${encap}_b $((${ll_mtu} + 1000))
1693 	mtu "${ns_a}"  veth_A-R1 2000
1694 	mtu "${ns_r1}" veth_R1-A 2000
1695 	mtu "${ns_r1}" veth_R1-B 1500
1696 	mtu "${ns_b}"  veth_B-R1 1500
1698 	mtu "${ns_a}"  veth_A-R2 2000
1699 	mtu "${ns_r2}" veth_R2-A 2000
1700 	mtu "${ns_r2}" veth_R2-B 1500
1701 	mtu "${ns_b}"  veth_B-R2 1500
1747 	mtu "${ns_a}"  veth_A-R1 2000
1748 	mtu "${ns_r1}" veth_R1-A 2000
1749 	mtu "${ns_r1}" veth_R1-B 1500
1750 	mtu "${ns_b}"  veth_B-R1 1500
1752 	mtu "${ns_a}"  veth_A-R2 2000
1753 	mtu "${ns_r2}" veth_R2-A 2000
1754 	mtu "${ns_r2}" veth_R2-B 1500
1755 	mtu "${ns_b}"  veth_B-R2 1500
1808 	mtu "${ns_a}"  veth_A-R1 2000
1809 	mtu "${ns_r1}" veth_R1-A 2000
1810 	mtu "${ns_r1}" veth_R1-B 1400
1811 	mtu "${ns_b}"  veth_B-R1 1400
1813 	mtu "${ns_a}"  veth_A-R2 2000
1814 	mtu "${ns_r2}" veth_R2-A 2000
1815 	mtu "${ns_r2}" veth_R2-B 1500
1816 	mtu "${ns_b}"  veth_B-R2 1500