+ if [ ! -d "$vpp_run_dir" ] ; then
+ sudo mkdir $vpp_run_dir
+ sudo chown root:$USER $vpp_run_dir
+ fi
+ if [ $use_ipv6 -eq 0 ] && [ -n "$full_thru_host_stack_vpp_cfg" ] ; then
+ sock_srvr_table=0
+ sock_srvr_addr=172.16.1.1
+ sock_client_table=1
+ sock_client_addr=172.16.2.1
+ client_namespace_id="1"
+ client_namespace_secret="5678"
+ server_namespace_id="0"
+ server_namespace_secret="1234"
+ cat <<EOF >> $tmp_vpp_exec_file
+session enable
+create loop inter
+create loop inter
+set inter state loop0 up
+set inter ip table loop0 $sock_srvr_table
+set inter ip address loop0 $sock_srvr_addr/24
+set inter state loop1 up
+set inter ip table loop1 $sock_client_table
+set inter ip address loop1 $sock_client_addr/24
+app ns add id 0 secret 1234 sw_if_index 1
+app ns add id 1 secret 5678 sw_if_index 2
+ip route add $sock_srvr_addr/32 table $sock_client_table via lookup in table $sock_srvr_table
+ip route add $sock_client_addr/32 table $sock_srvr_table via lookup in table $sock_client_table
+EOF
+ elif [ $use_ipv6 -eq 1 ] && [ -n "$full_thru_host_stack_vpp_cfg" ] ; then
+ sock_srvr_table=1
+ sock_srvr_addr=fd01:1::1
+ sock_client_table=2
+ sock_client_addr=fd01:2::1
+ client_namespace_id="1"
+ client_namespace_secret="5678"
+ server_namespace_id="0"
+ server_namespace_secret="1234"
+ cat <<EOF >> $tmp_vpp_exec_file
+session enable
+create loop inter
+create loop inter
+set inter state loop0 up
+set inter ip6 table loop0 $sock_srvr_table
+set inter ip address loop0 $sock_srvr_addr/64
+set inter state loop1 up
+set inter ip6 table loop1 $sock_client_table
+set inter ip address loop1 $sock_client_addr/64
+app ns add id 0 secret 1234 sw_if_index 1
+app ns add id 1 secret 5678 sw_if_index 2
+ip route add $sock_srvr_addr/128 table $sock_client_table via lookup in table $sock_srvr_table
+ip route add $sock_client_addr/128 table $sock_srvr_table via lookup in table $sock_client_table
+EOF
+ elif [ -n "$multi_host" ] ; then
+ vpp_eth_pci_id="$(ls -ld /sys/class/net/$vpp_eth_name/device | awk '{print $11}' | cut -d/ -f4)"
+ if [ -z "$vpp_eth_pci_id" ] ; then
+ echo "ERROR: Missing ethernet interface $vpp_eth_name!"
+ usage
+ fi
+ printf -v bus "%x" "0x$(echo $vpp_eth_pci_id | cut -d: -f2)"
+ printf -v slot "%x" "0x$(echo $vpp_eth_pci_id | cut -d: -f3 | cut -d. -f1)"
+ printf -v func "%x" "0x$(echo $vpp_eth_pci_id | cut -d. -f2)"
+
+ vpp_eth_kernel_driver="$(basename $(ls -l /sys/bus/pci/devices/$vpp_eth_pci_id/driver | awk '{print $11}'))"
+ if [ -z "$vpp_eth_kernel_driver" ] ; then
+ echo "ERROR: Missing kernel driver for $vpp_eth_name!"
+ usage
+ fi
+ case $vpp_eth_kernel_driver in
+ e1000)
+ vpp_eth_ifname="GigabitEthernet$bus/$slot/$func" ;;
+ ixgbe)
+ vpp_eth_ifname="TenGigabitEthernet$bus/$slot/$func" ;;
+ i40e)
+ vpp_eth_ifname="FortyGigabitEthernet$bus/$slot/$func" ;;
+ *)
+ echo "ERROR: Unknown ethernet kernel driver $vpp_eth_kernel_driver!"
+ usage ;;
+ esac
+
+ vpp_eth_ip4_addr="$(ip -4 -br addr show $vpp_eth_name | awk '{print $3}')"
+ if [ -z "$vpp_eth_ip4_addr" ] ; then
+ if [ "$multi_host" = "server" ] ; then
+ vpp_eth_ip4_addr="10.10.10.10/24"
+ else
+ vpp_eth_ip4_addr="10.10.10.11/24"
+ fi
+ fi
+ if [ $use_ipv6 -eq 1 ] && [ -z "$vpp_eth_ip6_addr" ] ; then
+ echo "ERROR: No inet6 address configured for $vpp_eth_name!"
+ usage
+ fi
+ vpp_args="$vpp_args plugins { path ${lib_dir}vpp_plugins } dpdk { dev $vpp_eth_pci_id }"
+
+ sudo ifconfig $vpp_eth_name down 2> /dev/null
+ echo "Configuring VPP to use $vpp_eth_name ($vpp_eth_pci_id), inet addr $vpp_eth_ip4_addr"
+
+ cat <<EOF >> $tmp_vpp_exec_file
+set int state $vpp_eth_ifname up
+set int ip addr $vpp_eth_ifname $vpp_eth_ip4_addr
+EOF
+
+ fi
+
+ if [ -z "$full_thru_host_stack_vpp_cfg" ] && [ -n "$namespace_id" ] ; then
+ cat <<EOF >> $tmp_vpp_exec_file
+session enable
+app ns add id $namespace_id secret $namespace_secret sw_if_index 0
+EOF
+ fi
+
+ cat <<EOF >> $tmp_vpp_exec_file
+create tap id 0
+set int ip addr tap0 172.17.0.2/24
+show version
+show version verbose
+show cpu
+show int
+EOF