1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4ALL_TESTS="standalone two_bridges one_bridge_two_pvids" 5NUM_NETIFS=4 6 7source lib.sh 8 9h1=${NETIFS[p1]} 10h2=${NETIFS[p3]} 11swp1=${NETIFS[p2]} 12swp2=${NETIFS[p4]} 13 14H1_IPV4="192.0.2.1" 15H2_IPV4="192.0.2.2" 16H1_IPV6="2001:db8:1::1" 17H2_IPV6="2001:db8:1::2" 18 19IPV4_ALLNODES="224.0.0.1" 20IPV6_ALLNODES="ff02::1" 21MACV4_ALLNODES="01:00:5e:00:00:01" 22MACV6_ALLNODES="33:33:00:00:00:01" 23NON_IP_MC="01:02:03:04:05:06" 24NON_IP_PKT="00:04 48:45:4c:4f" 25BC="ff:ff:ff:ff:ff:ff" 26 27# The full 4K VLAN space is too much to check, so strategically pick some 28# values which should provide reasonable coverage 29vids=(0 1 2 5 10 20 50 100 200 500 1000 1000 2000 4000 4094) 30 31send_non_ip() 32{ 33 local if_name=$1 34 local smac=$2 35 local dmac=$3 36 37 $MZ -q $if_name "$dmac $smac $NON_IP_PKT" 38} 39 40send_uc_ipv4() 41{ 42 local if_name=$1 43 local dmac=$2 44 45 ip neigh add $H2_IPV4 lladdr $dmac dev $if_name 46 ping_do $if_name $H2_IPV4 47 ip neigh del $H2_IPV4 dev $if_name 48} 49 50send_mc_ipv4() 51{ 52 local if_name=$1 53 54 ping_do $if_name $IPV4_ALLNODES "-I $if_name" 55} 56 57send_uc_ipv6() 58{ 59 local if_name=$1 60 local dmac=$2 61 62 ip -6 neigh add $H2_IPV6 lladdr $dmac dev $if_name 63 ping6_do $if_name $H2_IPV6 64 ip -6 neigh del $H2_IPV6 dev $if_name 65} 66 67send_mc_ipv6() 68{ 69 local if_name=$1 70 71 ping6_do $if_name $IPV6_ALLNODES%$if_name 72} 73 74check_rcv() 75{ 76 local if_name=$1 77 local type=$2 78 local pattern=$3 79 local should_fail=1 80 81 RET=0 82 83 tcpdump_show $if_name | grep -q "$pattern" 84 85 check_err_fail "$should_fail" "$?" "reception" 86 87 log_test "$type" 88} 89 90run_test() 91{ 92 local test_name="$1" 93 local smac=$(mac_get $h1) 94 local dmac=$(mac_get $h2) 95 local h1_ipv6_lladdr=$(ipv6_lladdr_get $h1) 96 local vid= 97 98 echo "$test_name: Sending packets" 99 100 tcpdump_start $h2 101 102 send_non_ip $h1 $smac $dmac 103 send_non_ip $h1 $smac $NON_IP_MC 104 send_non_ip $h1 $smac $BC 105 send_uc_ipv4 $h1 $dmac 106 send_mc_ipv4 $h1 107 send_uc_ipv6 $h1 $dmac 108 send_mc_ipv6 $h1 109 110 for vid in "${vids[@]}"; do 111 vlan_create $h1 $vid 112 simple_if_init $h1.$vid $H1_IPV4/24 $H1_IPV6/64 113 114 send_non_ip $h1.$vid $smac $dmac 115 send_non_ip $h1.$vid $smac $NON_IP_MC 116 send_non_ip $h1.$vid $smac $BC 117 send_uc_ipv4 $h1.$vid $dmac 118 send_mc_ipv4 $h1.$vid 119 send_uc_ipv6 $h1.$vid $dmac 120 send_mc_ipv6 $h1.$vid 121 122 simple_if_fini $h1.$vid $H1_IPV4/24 $H1_IPV6/64 123 vlan_destroy $h1 $vid 124 done 125 126 sleep 1 127 128 echo "$test_name: Checking which packets were received" 129 130 tcpdump_stop $h2 131 132 check_rcv $h2 "$test_name: Unicast non-IP untagged" \ 133 "$smac > $dmac, 802.3, length 4:" 134 135 check_rcv $h2 "$test_name: Multicast non-IP untagged" \ 136 "$smac > $NON_IP_MC, 802.3, length 4:" 137 138 check_rcv $h2 "$test_name: Broadcast non-IP untagged" \ 139 "$smac > $BC, 802.3, length 4:" 140 141 check_rcv $h2 "$test_name: Unicast IPv4 untagged" \ 142 "$smac > $dmac, ethertype IPv4 (0x0800)" 143 144 check_rcv $h2 "$test_name: Multicast IPv4 untagged" \ 145 "$smac > $MACV4_ALLNODES, ethertype IPv4 (0x0800).*: $H1_IPV4 > $IPV4_ALLNODES" 146 147 check_rcv $h2 "$test_name: Unicast IPv6 untagged" \ 148 "$smac > $dmac, ethertype IPv6 (0x86dd).*8: $H1_IPV6 > $H2_IPV6" 149 150 check_rcv $h2 "$test_name: Multicast IPv6 untagged" \ 151 "$smac > $MACV6_ALLNODES, ethertype IPv6 (0x86dd).*: $h1_ipv6_lladdr > $IPV6_ALLNODES" 152 153 for vid in "${vids[@]}"; do 154 check_rcv $h2 "$test_name: Unicast non-IP VID $vid" \ 155 "$smac > $dmac, ethertype 802.1Q (0x8100).*vlan $vid,.*length 4" 156 157 check_rcv $h2 "$test_name: Multicast non-IP VID $vid" \ 158 "$smac > $NON_IP_MC, ethertype 802.1Q (0x8100).*vlan $vid,.*length 4" 159 160 check_rcv $h2 "$test_name: Broadcast non-IP VID $vid" \ 161 "$smac > $BC, ethertype 802.1Q (0x8100).*vlan $vid,.*length 4" 162 163 check_rcv $h2 "$test_name: Unicast IPv4 VID $vid" \ 164 "$smac > $dmac, ethertype 802.1Q (0x8100).*vlan $vid,.*ethertype IPv4 (0x0800), $H1_IPV4 > $H2_IPV4" 165 166 check_rcv $h2 "$test_name: Multicast IPv4 VID $vid" \ 167 "$smac > $MACV4_ALLNODES, ethertype 802.1Q (0x8100).*vlan $vid,.*ethertype IPv4 (0x0800), $H1_IPV4 > $IPV4_ALLNODES" 168 169 check_rcv $h2 "$test_name: Unicast IPv6 VID $vid" \ 170 "$smac > $dmac, ethertype 802.1Q (0x8100).*vlan $vid,.*ethertype IPv6 (0x86dd), $H1_IPV6 > $H2_IPV6" 171 172 check_rcv $h2 "$test_name: Multicast IPv6 VID $vid" \ 173 "$smac > $MACV6_ALLNODES, ethertype 802.1Q (0x8100).*vlan $vid,.*ethertype IPv6 (0x86dd), $h1_ipv6_lladdr > $IPV6_ALLNODES" 174 done 175 176 tcpdump_cleanup $h2 177} 178 179standalone() 180{ 181 run_test "Standalone switch ports" 182} 183 184two_bridges() 185{ 186 ip link add br0 type bridge && ip link set br0 up 187 ip link add br1 type bridge && ip link set br1 up 188 ip link set $swp1 master br0 189 ip link set $swp2 master br1 190 191 run_test "Switch ports in different bridges" 192 193 ip link del br1 194 ip link del br0 195} 196 197one_bridge_two_pvids() 198{ 199 ip link add br0 type bridge vlan_filtering 1 vlan_default_pvid 0 200 ip link set br0 up 201 ip link set $swp1 master br0 202 ip link set $swp2 master br0 203 204 bridge vlan add dev $swp1 vid 1 pvid untagged 205 bridge vlan add dev $swp2 vid 2 pvid untagged 206 207 run_test "Switch ports in VLAN-aware bridge with different PVIDs" 208 209 ip link del br0 210} 211 212h1_create() 213{ 214 simple_if_init $h1 $H1_IPV4/24 $H1_IPV6/64 215} 216 217h1_destroy() 218{ 219 simple_if_fini $h1 $H1_IPV4/24 $H1_IPV6/64 220} 221 222h2_create() 223{ 224 simple_if_init $h2 $H2_IPV4/24 $H2_IPV6/64 225} 226 227h2_destroy() 228{ 229 simple_if_fini $h2 $H2_IPV4/24 $H2_IPV6/64 230} 231 232cleanup() 233{ 234 pre_cleanup 235 236 ip link set dev $swp2 down 237 ip link set dev $swp1 down 238 239 h2_destroy 240 h1_destroy 241 242 vrf_cleanup 243} 244 245setup_prepare() 246{ 247 vrf_prepare 248 249 h1_create 250 h2_create 251 # we call simple_if_init from the test itself, but setup_wait expects 252 # that we call it from here, and waits until the interfaces are up 253 ip link set dev $swp1 up 254 ip link set dev $swp2 up 255} 256 257trap cleanup EXIT 258 259setup_prepare 260setup_wait 261 262tests_run 263 264exit $EXIT_STATUS 265