163 lines · bash
1#!/bin/bash2# SPDX-License-Identifier: GPL-2.03 4ALL_TESTS="tunnel_key_nofrag_test"5 6NUM_NETIFS=47source tc_common.sh8source lib.sh9 10tcflags="skip_hw"11 12h1_create()13{14 simple_if_init $h1 192.0.2.1/2415 forwarding_enable16 mtu_set $h1 150017 tunnel_create h1-et vxlan 192.0.2.1 192.0.2.2 dev $h1 dstport 0 external18 tc qdisc add dev h1-et clsact19 mtu_set h1-et 123020 mtu_restore $h121 mtu_set $h1 100022}23 24h1_destroy()25{26 tc qdisc del dev h1-et clsact27 tunnel_destroy h1-et28 forwarding_restore29 mtu_restore $h130 simple_if_fini $h1 192.0.2.1/2431}32 33h2_create()34{35 simple_if_init $h2 192.0.2.2/2436}37 38h2_destroy()39{40 simple_if_fini $h2 192.0.2.2/2441}42 43switch_create()44{45 simple_if_init $swp1 192.0.2.2/2446 tc qdisc add dev $swp1 clsact47 simple_if_init $swp2 192.0.2.1/2448}49 50switch_destroy()51{52 simple_if_fini $swp2 192.0.2.1/2453 tc qdisc del dev $swp1 clsact54 simple_if_fini $swp1 192.0.2.2/2455}56 57setup_prepare()58{59 h1=${NETIFS[p1]}60 swp1=${NETIFS[p2]}61 62 swp2=${NETIFS[p3]}63 h2=${NETIFS[p4]}64 65 h1mac=$(mac_get $h1)66 h2mac=$(mac_get $h2)67 68 swp1origmac=$(mac_get $swp1)69 swp2origmac=$(mac_get $swp2)70 ip link set $swp1 address $h2mac71 ip link set $swp2 address $h1mac72 73 vrf_prepare74 75 h1_create76 h2_create77 switch_create78 79 if ! tc action add action tunnel_key help 2>&1 | grep -q nofrag; then80 log_test "SKIP: iproute doesn't support nofrag"81 exit $ksft_skip82 fi83}84 85cleanup()86{87 pre_cleanup88 89 switch_destroy90 h2_destroy91 h1_destroy92 93 vrf_cleanup94 95 ip link set $swp2 address $swp2origmac96 ip link set $swp1 address $swp1origmac97}98 99tunnel_key_nofrag_test()100{101 RET=0102 local i103 104 tc filter add dev $swp1 ingress protocol ip pref 100 handle 100 \105 flower src_ip 192.0.2.1 dst_ip 192.0.2.2 ip_proto udp \106 ip_flags nofrag action drop107 tc filter add dev $swp1 ingress protocol ip pref 101 handle 101 \108 flower src_ip 192.0.2.1 dst_ip 192.0.2.2 ip_proto udp \109 ip_flags firstfrag action drop110 tc filter add dev $swp1 ingress protocol ip pref 102 handle 102 \111 flower src_ip 192.0.2.1 dst_ip 192.0.2.2 ip_proto udp \112 ip_flags nofirstfrag action drop113 114 # test 'nofrag' set115 tc filter add dev h1-et egress protocol all pref 1 handle 1 matchall $tcflags \116 action tunnel_key set src_ip 192.0.2.1 dst_ip 192.0.2.2 id 42 nofrag index 10117 $MZ h1-et -c 1 -p 930 -a 00:aa:bb:cc:dd:ee -b 00:ee:dd:cc:bb:aa -t ip -q118 tc_check_packets "dev $swp1 ingress" 100 1119 check_err $? "packet smaller than MTU was not tunneled"120 121 $MZ h1-et -c 1 -p 931 -a 00:aa:bb:cc:dd:ee -b 00:ee:dd:cc:bb:aa -t ip -q122 tc_check_packets "dev $swp1 ingress" 100 1123 check_err $? "packet bigger than MTU matched nofrag (nofrag was set)"124 tc_check_packets "dev $swp1 ingress" 101 0125 check_err $? "packet bigger than MTU matched firstfrag (nofrag was set)"126 tc_check_packets "dev $swp1 ingress" 102 0127 check_err $? "packet bigger than MTU matched nofirstfrag (nofrag was set)"128 129 # test 'nofrag' cleared130 tc actions change action tunnel_key set src_ip 192.0.2.1 dst_ip 192.0.2.2 id 42 index 10131 $MZ h1-et -c 1 -p 931 -a 00:aa:bb:cc:dd:ee -b 00:ee:dd:cc:bb:aa -t ip -q132 tc_check_packets "dev $swp1 ingress" 100 1133 check_err $? "packet bigger than MTU matched nofrag (nofrag was unset)"134 tc_check_packets "dev $swp1 ingress" 101 1135 check_err $? "packet bigger than MTU didn't match firstfrag (nofrag was unset) "136 tc_check_packets "dev $swp1 ingress" 102 1137 check_err $? "packet bigger than MTU didn't match nofirstfrag (nofrag was unset) "138 139 for i in 100 101 102; do140 tc filter del dev $swp1 ingress protocol ip pref $i handle $i flower141 done142 tc filter del dev h1-et egress pref 1 handle 1 matchall143 144 log_test "tunnel_key nofrag ($tcflags)"145}146 147trap cleanup EXIT148 149setup_prepare150setup_wait151 152tests_run153 154tc_offload_check155if [[ $? -ne 0 ]]; then156 log_info "Could not test offloaded functionality"157else158 tcflags="skip_sw"159 tests_run160fi161 162exit $EXIT_STATUS163