254 lines · bash
1#!/bin/bash2# SPDX-License-Identifier: GPL-2.03# Copyright 2022 NXP4 5# The script is mostly generic, with the exception of the6# ethtool per-TC counter names ("rx_green_prio_${tc}")7 8WAIT_TIME=19NUM_NETIFS=410STABLE_MAC_ADDRS=yes11NETIF_CREATE=no12lib_dir=$(dirname $0)/../../../net/forwarding13source $lib_dir/tc_common.sh14source $lib_dir/lib.sh15 16require_command dcb17 18h1=${NETIFS[p1]}19swp1=${NETIFS[p2]}20swp2=${NETIFS[p3]}21h2=${NETIFS[p4]}22 23H1_IPV4="192.0.2.1"24H2_IPV4="192.0.2.2"25H1_IPV6="2001:db8:1::1"26H2_IPV6="2001:db8:1::2"27 28h1_create()29{30 simple_if_init $h1 $H1_IPV4/24 $H1_IPV6/6431}32 33h1_destroy()34{35 simple_if_fini $h1 $H1_IPV4/24 $H1_IPV6/6436}37 38h2_create()39{40 simple_if_init $h2 $H2_IPV4/24 $H2_IPV6/6441}42 43h2_destroy()44{45 simple_if_fini $h2 $H2_IPV4/24 $H2_IPV6/6446}47 48h1_vlan_create()49{50 local vid=$151 52 vlan_create $h1 $vid53 simple_if_init $h1.$vid $H1_IPV4/24 $H1_IPV6/6454 ip link set $h1.$vid type vlan \55 egress-qos-map 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7 \56 ingress-qos-map 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:757}58 59h1_vlan_destroy()60{61 local vid=$162 63 simple_if_fini $h1.$vid $H1_IPV4/24 $H1_IPV6/6464 vlan_destroy $h1 $vid65}66 67h2_vlan_create()68{69 local vid=$170 71 vlan_create $h2 $vid72 simple_if_init $h2.$vid $H2_IPV4/24 $H2_IPV6/6473 ip link set $h2.$vid type vlan \74 egress-qos-map 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7 \75 ingress-qos-map 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:776}77 78h2_vlan_destroy()79{80 local vid=$181 82 simple_if_fini $h2.$vid $H2_IPV4/24 $H2_IPV6/6483 vlan_destroy $h2 $vid84}85 86vlans_prepare()87{88 h1_vlan_create 10089 h2_vlan_create 10090 91 tc qdisc add dev ${h1}.100 clsact92 tc filter add dev ${h1}.100 egress protocol ipv4 \93 flower ip_proto icmp action skbedit priority 394 tc filter add dev ${h1}.100 egress protocol ipv6 \95 flower ip_proto icmpv6 action skbedit priority 396}97 98vlans_destroy()99{100 tc qdisc del dev ${h1}.100 clsact101 102 h1_vlan_destroy 100103 h2_vlan_destroy 100104}105 106switch_create()107{108 ip link set ${swp1} up109 ip link set ${swp2} up110 111 # Ports should trust VLAN PCP even with vlan_filtering=0112 ip link add br0 type bridge113 ip link set ${swp1} master br0114 ip link set ${swp2} master br0115 ip link set br0 up116}117 118switch_destroy()119{120 ip link del br0121}122 123setup_prepare()124{125 vrf_prepare126 127 h1_create128 h2_create129 switch_create130}131 132cleanup()133{134 pre_cleanup135 136 h2_destroy137 h1_destroy138 switch_destroy139 140 vrf_cleanup141}142 143dscp_cs_to_tos()144{145 local dscp_cs=$1146 147 # https://datatracker.ietf.org/doc/html/rfc2474148 # 4.2.2.1 The Class Selector Codepoints149 echo $((${dscp_cs} << 5))150}151 152run_test()153{154 local test_name=$1; shift155 local if_name=$1; shift156 local tc=$1; shift157 local tos=$1; shift158 local counter_name="rx_green_prio_${tc}"159 local ipv4_before160 local ipv4_after161 local ipv6_before162 local ipv6_after163 164 ipv4_before=$(ethtool_stats_get ${swp1} "${counter_name}")165 ping_do ${if_name} $H2_IPV4 "-Q ${tos}"166 ipv4_after=$(ethtool_stats_get ${swp1} "${counter_name}")167 168 if [ $((${ipv4_after} - ${ipv4_before})) -lt ${PING_COUNT} ]; then169 RET=1170 else171 RET=0172 fi173 log_test "IPv4 ${test_name}"174 175 ipv6_before=$(ethtool_stats_get ${swp1} "${counter_name}")176 ping_do ${if_name} $H2_IPV6 "-Q ${tos}"177 ipv6_after=$(ethtool_stats_get ${swp1} "${counter_name}")178 179 if [ $((${ipv6_after} - ${ipv6_before})) -lt ${PING_COUNT} ]; then180 RET=1181 else182 RET=0183 fi184 log_test "IPv6 ${test_name}"185}186 187port_default_prio_get()188{189 local if_name=$1190 local prio191 192 prio="$(dcb -j app show dev ${if_name} default-prio | \193 jq '.default_prio[]')"194 if [ -z "${prio}" ]; then195 prio=0196 fi197 198 echo ${prio}199}200 201test_port_default()202{203 local orig=$(port_default_prio_get ${swp1})204 local dmac=$(mac_get ${h2})205 206 dcb app replace dev ${swp1} default-prio 5207 208 run_test "Port-default QoS classification" ${h1} 5 0209 210 dcb app replace dev ${swp1} default-prio ${orig}211}212 213test_vlan_pcp()214{215 vlans_prepare216 217 run_test "Trusted VLAN PCP QoS classification" ${h1}.100 3 0218 219 vlans_destroy220}221 222test_ip_dscp()223{224 local port_default=$(port_default_prio_get ${swp1})225 local tos=$(dscp_cs_to_tos 4)226 227 dcb app add dev ${swp1} dscp-prio CS4:4228 run_test "Trusted DSCP QoS classification" ${h1} 4 ${tos}229 dcb app del dev ${swp1} dscp-prio CS4:4230 231 vlans_prepare232 run_test "Untrusted DSCP QoS classification follows VLAN PCP" \233 ${h1}.100 3 ${tos}234 vlans_destroy235 236 run_test "Untrusted DSCP QoS classification follows port default" \237 ${h1} ${port_default} ${tos}238}239 240trap cleanup EXIT241 242ALL_TESTS="243 test_port_default244 test_vlan_pcp245 test_ip_dscp246"247 248setup_prepare249setup_wait250 251tests_run252 253exit $EXIT_STATUS254