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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 | #!/bin/bash # SPDX-License-Identifier: GPL-2.0 # Test routing after VXLAN decapsulation and verify that the order of # configuration does not impact switch behavior. Verify that RIF is added # correctly for existing mapping and that new mapping uses the correct RIF. # +---------------------------+ # | H1 | # | + $h1 | # | | 192.0.2.1/28 | # +----|----------------------+ # | # +----|----------------------------------------------------------------------+ # | SW | | # | +--|--------------------------------------------------------------------+ | # | | + $swp1 br1 | | # | | vid 10 pvid untagged | | # | | | | # | | | | # | | + vx4001 | | # | | local 192.0.2.17 | | # | | remote 192.0.2.18 | | # | | id 104001 | | # | | dstport $VXPORT | | # | | vid 4001 pvid untagged | | # | | | | # | +----------------------------------+------------------------------------+ | # | | | # | +----------------------------------|------------------------------------+ | # | | | | | # | | +-------------------------------+---------------------------------+ | | # | | | | | | # | | + vlan10 vlan4001 + | | # | | 192.0.2.2/28 | | # | | | | # | | vrf-green | | # | +-----------------------------------------------------------------------+ | # | | # | + $rp1 +lo | # | | 198.51.100.1/24 192.0.2.17/32 | # +----|----------------------------------------------------------------------+ # | # +----|--------------------------------------------------------+ # | | v$rp2 | # | + $rp2 | # | 198.51.100.2/24 | # | | # +-------------------------------------------------------------+ lib_dir=$(dirname $0)/../../../net/forwarding ALL_TESTS=" vni_fid_map_rif rif_vni_fid_map " NUM_NETIFS=4 source $lib_dir/lib.sh source $lib_dir/tc_common.sh source $lib_dir/devlink_lib.sh : ${VXPORT:=4789} export VXPORT h1_create() { simple_if_init $h1 192.0.2.1/28 } h1_destroy() { simple_if_fini $h1 192.0.2.1/28 } switch_create() { ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \ mcast_snooping 0 # Make sure the bridge uses the MAC address of the local port and not # that of the VxLAN's device. ip link set dev br1 address $(mac_get $swp1) ip link set dev br1 up ip link set dev $rp1 up ip address add dev $rp1 198.51.100.1/24 ip link set dev $swp1 master br1 ip link set dev $swp1 up bridge vlan add vid 10 dev $swp1 pvid untagged tc qdisc add dev $swp1 clsact ip link add name vx4001 type vxlan id 104001 \ local 192.0.2.17 dstport $VXPORT \ nolearning noudpcsum tos inherit ttl 100 ip link set dev vx4001 up ip link set dev vx4001 master br1 ip address add 192.0.2.17/32 dev lo # Create SVIs. vrf_create "vrf-green" ip link set dev vrf-green up ip link add link br1 name vlan10 up master vrf-green type vlan id 10 # Replace neighbor to avoid 1 packet which is forwarded in software due # to "unresolved neigh". ip neigh replace dev vlan10 192.0.2.1 lladdr $(mac_get $h1) ip address add 192.0.2.2/28 dev vlan10 bridge vlan add vid 10 dev br1 self bridge vlan add vid 4001 dev br1 self sysctl_set net.ipv4.conf.all.rp_filter 0 } switch_destroy() { sysctl_restore net.ipv4.conf.all.rp_filter bridge vlan del vid 4001 dev br1 self bridge vlan del vid 10 dev br1 self ip link del dev vlan10 vrf_destroy "vrf-green" ip address del 192.0.2.17/32 dev lo tc qdisc del dev $swp1 clsact bridge vlan del vid 10 dev $swp1 ip link set dev $swp1 down ip link set dev $swp1 nomaster ip link set dev vx4001 nomaster ip link set dev vx4001 down ip link del dev vx4001 ip address del dev $rp1 198.51.100.1/24 ip link set dev $rp1 down ip link set dev br1 down ip link del dev br1 } vrp2_create() { simple_if_init $rp2 198.51.100.2/24 ip route add 192.0.2.17/32 vrf v$rp2 nexthop via 198.51.100.1 } vrp2_destroy() { ip route del 192.0.2.17/32 vrf v$rp2 nexthop via 198.51.100.1 simple_if_fini $rp2 198.51.100.2/24 } setup_prepare() { h1=${NETIFS[p1]} swp1=${NETIFS[p2]} rp1=${NETIFS[p3]} rp2=${NETIFS[p4]} vrf_prepare forwarding_enable h1_create switch_create vrp2_create } cleanup() { pre_cleanup vrp2_destroy switch_destroy h1_destroy forwarding_restore vrf_cleanup } payload_get() { local dest_mac=$(mac_get vlan4001) local src_mac=$(mac_get $rp1) p=$(: )"08:"$( : VXLAN flags )"00:00:00:"$( : VXLAN reserved )"01:96:41:"$( : VXLAN VNI : 104001 )"00:"$( : VXLAN reserved )"$dest_mac:"$( : ETH daddr )"$src_mac:"$( : ETH saddr )"08:00:"$( : ETH type )"45:"$( : IP version + IHL )"00:"$( : IP TOS )"00:54:"$( : IP total length )"3f:49:"$( : IP identification )"00:00:"$( : IP flags + frag off )"3f:"$( : IP TTL )"01:"$( : IP proto )"50:21:"$( : IP header csum )"c6:33:64:0a:"$( : IP saddr: 198.51.100.10 )"c0:00:02:01:"$( : IP daddr: 192.0.2.1 ) echo $p } vlan_rif_add() { rifs_occ_t0=$(devlink_resource_occ_get rifs) ip link add link br1 name vlan4001 up master vrf-green \ type vlan id 4001 rifs_occ_t1=$(devlink_resource_occ_get rifs) expected_rifs=$((rifs_occ_t0 + 1)) [[ $expected_rifs -eq $rifs_occ_t1 ]] check_err $? "Expected $expected_rifs RIFs, $rifs_occ_t1 are used" } vlan_rif_del() { ip link del dev vlan4001 } vni_fid_map_rif() { local rp1_mac=$(mac_get $rp1) RET=0 # First add VNI->FID mapping to the FID of VLAN 4001 bridge vlan add vid 4001 dev vx4001 pvid untagged # Add a RIF to the FID with VNI->FID mapping vlan_rif_add tc filter add dev $swp1 egress protocol ip pref 1 handle 101 \ flower skip_sw dst_ip 192.0.2.1 action pass payload=$(payload_get) ip vrf exec v$rp2 $MZ $rp2 -c 10 -d 1msec -b $rp1_mac \ -B 192.0.2.17 -A 192.0.2.18 \ -t udp sp=12345,dp=$VXPORT,p=$payload -q tc_check_at_least_x_packets "dev $swp1 egress" 101 10 check_err $? "Packets were not routed in hardware" log_test "Add RIF for existing VNI->FID mapping" tc filter del dev $swp1 egress bridge vlan del vid 4001 dev vx4001 pvid untagged vlan_rif_del } rif_vni_fid_map() { local rp1_mac=$(mac_get $rp1) RET=0 # First add a RIF to the FID of VLAN 4001 vlan_rif_add # Add VNI->FID mapping to FID with a RIF bridge vlan add vid 4001 dev vx4001 pvid untagged tc filter add dev $swp1 egress protocol ip pref 1 handle 101 \ flower skip_sw dst_ip 192.0.2.1 action pass payload=$(payload_get) ip vrf exec v$rp2 $MZ $rp2 -c 10 -d 1msec -b $rp1_mac \ -B 192.0.2.17 -A 192.0.2.18 \ -t udp sp=12345,dp=$VXPORT,p=$payload -q tc_check_at_least_x_packets "dev $swp1 egress" 101 10 check_err $? "Packets were not routed in hardware" log_test "Add VNI->FID mapping for FID with a RIF" tc filter del dev $swp1 egress bridge vlan del vid 4001 dev vx4001 pvid untagged vlan_rif_del } trap cleanup EXIT setup_prepare setup_wait tests_run exit $EXIT_STATUS |