| #!/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 |
