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Install VPP-UPF with DPDK on Host

This briefly describes the steps and configuration to build and install oai-cn5g-upf-vpp based on travelping/upg-vpp. It is intended to be prepared for use with Open5GS and free5GC.

Sample Configurations and Miscellaneous for Mobile Network

Table of Contents

Simple Overview of VPP-UPF and Data Network Gateway

This describes a simple configuration of VPP-UPF and Data Network Gateway, focusing on U-Plane. Note that this configuration is implemented with Proxmox VE VMs.

The following minimum configuration was set as a condition.

  • One UPF and Data Network Gateway

The built simulation environment is as follows.

The VPP-UPF used is as follows.

Each VMs are as follows.

VM SW & Role IP address OS CPU
(Min)		 Mem
(Min)		 HDD
(Min)
VM-UP OpenAir CN 5G for UPF 192.168.0.151/24 Ubuntu 22.04 2 8GB 20GB
VM-DN Data Network Gateway 192.168.0.152/24 Ubuntu 24.04 1 1GB 10GB

The network interfaces of each VM are as follows. Note. Do not enable(up) any devices that will be under the control of DPDK. These devices will be enabled and set IP addresses in the init.conf file of VPP-UPF.

VM Device Model Linux Bridge IP address Interface Under DPDK
VM-UP ens18 VirtIO vmbr1 10.0.0.151/24 (NAPT NW) --
ens19 VirtIO mgbr0 192.168.0.151/24 (Mgmt NW) --
ens20 VirtIO vmbr3 192.168.13.151/24 N3 x
ens21 VirtIO vmbr4 192.168.14.151/24 N4 x
ens22 VirtIO vmbr6 192.168.16.151/24 N6 x
VM-DN ens18 VirtIO vmbr1 10.0.0.152/24 (NAPT NW) --
ens19 VirtIO mgbr0 192.168.0.152/24 (Mgmt NW) --
ens20 VirtIO vmbr6 192.168.16.152/24 N6 --

Linux Bridges of Proxmox VE are as follows.

Linux Bridge Network CIDR Interface
vmbr1 10.0.0.0/24 NAPT NW
mgbr0 192.168.0.0/24 Mgmt NW
vmbr3 192.168.13.0/24 N3
vmbr4 192.168.14.0/24 N4
vmbr6 192.168.16.0/24 N6

Set network instance to internet.

Network Instance
internet

Build OAI UPF (VPP-UPF) on VM-UP

Please refer to the following for building OAI UPF (VPP-UPF).

Clone OAI UPF (VPP-UPF)

# git clone https://gitlab.eurecom.fr/oai/cn5g/oai-cn5g-upf-vpp.git
# cd oai-cn5g-upf-vpp
# git checkout develop

Change to build all VPP plugins

Rename the patch file so as not to apply the patch for building only dpdk and upf plugins.

# cd oai-cn5g-upf-vpp/scripts/patches
# mv build_selected_plugins.patch build_selected_plugins.patch_not_use

Edit oai-cn5g-upf-vpp/build/scripts/build_helper.upf

--- build_helper.upf.orig       2023-07-09 08:19:54.945596895 +0900
+++ build_helper.upf    2023-07-09 09:55:03.435811764 +0900
@@ -122,11 +122,11 @@
 
 add_Travelping_upf_plugin(){
   GIT_URL=https://github.com/travelping/upg-vpp.git
-  GIT_BRANCH=master
+  GIT_BRANCH=stable/1.2
   echo_info "Cloning Travelping UPG plugin"
   pushd $OPENAIRCN_DIR/
   git clone -b $GIT_BRANCH $GIT_URL
-  cd $OPENAIRCN_DIR/upg-vpp && git checkout -f 1f047425c5c99db44c2e599ad1dfd767d426cce8
+  cd $OPENAIRCN_DIR/upg-vpp
   mkdir -p -- $OPENAIRCN_DIR/vpp/patches
   cp -rf $OPENAIRCN_DIR/upg-vpp/upf/ $OPENAIRCN_DIR/vpp/src/plugins/
   cp -rf $OPENAIRCN_DIR/upg-vpp/vpp-patches/* $OPENAIRCN_DIR/vpp/patches
@@ -153,9 +153,7 @@
   $SUDO cp -rf $OPENAIRCN_DIR/vpp/build-root/install-vpp-native/vpp/bin/vppctl /bin/
   echo_info "Copied binaries to /bin"
   # Copying necessary libraries
-#  $SUDO cp -rf $OPENAIRCN_DIR/vpp/build-root/install-vpp-native/vpp/lib/vpp_plugins /usr/lib/x86_64-linux-gnu/vpp_plugins/
-  $SUDO cp -rf $OPENAIRCN_DIR/vpp/build-root/install-vpp-native/vpp/lib/vpp_plugins/upf_plugin.so /usr/lib/x86_64-linux-gnu/vpp_plugins/
-  $SUDO cp -rf $OPENAIRCN_DIR/vpp/build-root/install-vpp-native/vpp/lib/vpp_plugins/dpdk_plugin.so /usr/lib/x86_64-linux-gnu/vpp_plugins/
+  $SUDO cp -rf $OPENAIRCN_DIR/vpp/build-root/install-vpp-native/vpp/lib/vpp_plugins /usr/lib/x86_64-linux-gnu/vpp_plugins/
   $SUDO cp -rf $OPENAIRCN_DIR/vpp/build-root/install-vpp-native/vpp/lib/libvppinfra.so.21.01.1 /usr/lib/x86_64-linux-gnu/
   $SUDO cp -rf $OPENAIRCN_DIR/vpp/build-root/install-vpp-native/vpp/lib/libvnet.so.21.01.1 /usr/lib/x86_64-linux-gnu/
   $SUDO cp -rf $OPENAIRCN_DIR/vpp/build-root/install-vpp-native/vpp/lib/libvlibmemory.so.21.01.1 /usr/lib/x86_64-linux-gnu/

Install VPP-UPF software dependencies

# cd oai-cn5g-upf-vpp/build/scripts
# ./build_vpp_upf -I -f

Build VPP-UPF

# cd oai-cn5g-upf-vpp/build/scripts
# ./build_vpp_upf -c -V

Setup VPP-UPF with DPDK on VM-UP

Please refer to the following for setup VPP-UPF with DPDK.

Install dpdk-devbind.py

# wget https://raw.githubusercontent.com/DPDK/dpdk/main/usertools/dpdk-devbind.py -O /usr/local/bin/dpdk-devbind.py
# chmod +x /usr/local/bin/dpdk-devbind.py

Case of using kernel module "uio_pci_generic"

Load kernel module "uio_pci_generic"

# modprobe uio_pci_generic

Check Interfaces

# lshw -c network -businfo
Bus info          Device      Class      Description
====================================================
pci@0000:00:12.0              network    Virtio network device
virtio@1          ens18       network    Ethernet interface
pci@0000:00:13.0              network    Virtio network device
virtio@2          ens19       network    Ethernet interface
pci@0000:00:14.0              network    Virtio network device
virtio@3          ens20       network    Ethernet interface
pci@0000:00:15.0              network    Virtio network device
virtio@4          ens21       network    Ethernet interface
pci@0000:00:16.0              network    Virtio network device
virtio@5          ens22       network    Ethernet interface

Bind ens20/ens21/ens22 interfaces to DPDK compatible driver (e.g. uio_pci_generic here)

# dpdk-devbind.py -b uio_pci_generic 0000:00:14.0 --force
# dpdk-devbind.py -b uio_pci_generic 0000:00:15.0 --force
# dpdk-devbind.py -b uio_pci_generic 0000:00:16.0 --force

Verify DPDK binding

# lshw -c network -businfo
Bus info          Device      Class      Description
====================================================
pci@0000:00:12.0              network    Virtio network device
virtio@1          ens18       network    Ethernet interface
pci@0000:00:13.0              network    Virtio network device
virtio@2          ens19       network    Ethernet interface
pci@0000:00:14.0              network    Virtio network device
pci@0000:00:15.0              network    Virtio network device
pci@0000:00:16.0              network    Virtio network device

# dpdk-devbind.py -s

Network devices using DPDK-compatible driver
============================================
0000:00:14.0 'Virtio network device 1000' drv=uio_pci_generic unused=vfio-pci
0000:00:15.0 'Virtio network device 1000' drv=uio_pci_generic unused=vfio-pci
0000:00:16.0 'Virtio network device 1000' drv=uio_pci_generic unused=vfio-pci

Network devices using kernel driver
===================================
0000:00:12.0 'Virtio network device 1000' if=ens18 drv=virtio-pci unused=vfio-pci,uio_pci_generic *Active*
0000:00:13.0 'Virtio network device 1000' if=ens19 drv=virtio-pci unused=vfio-pci,uio_pci_generic *Active*

No 'Baseband' devices detected
==============================

No 'Crypto' devices detected
============================

No 'DMA' devices detected
=========================

No 'Eventdev' devices detected
==============================

No 'Mempool' devices detected
=============================

No 'Compress' devices detected
==============================

No 'Misc (rawdev)' devices detected
===================================

No 'Regex' devices detected
===========================

No 'ML' devices detected
========================

Case of using kernel module "vfio-pci"

When using the kernel built-in vfio-pci module, please down the ens20/ens21/ens22 interfaces in advance. And, refer to this and set the kernel to IOMMU mode. Alternatively, it can be used in No-IOMMU mode. Then, these interfaces are under DPDK control by running vpp without explicit vfio-pci binding.

Create configuration files

Create /root/openair-upf directory and put the configuration files there.

  • /root/openair-upf/startup.conf
unix {
  nodaemon
  log /tmp/vpp.log
  full-coredump
  gid vpp
  interactive
  cli-listen /run/vpp/cli.sock
  exec /root/openair-upf/init.conf
}

api-trace {
  on
}

cpu {
  main-core 0
  corelist-workers 1
}

api-segment {
  gid vpp
}

dpdk {
  dev 0000:00:14.0 {name n3}
  dev 0000:00:15.0 {name n4}
  dev 0000:00:16.0 {name n6}
}

plugins {
  path /usr/lib/x86_64-linux-gnu/vpp_plugins/
  plugin ikev2_plugin.so {disable}
  plugin dpdk_plugin.so {enable}
  plugin upf_plugin.so {enable}
}

For example, if you prepare four CPU cores and want to assign CPU core (#0) to main-core and three CPU cores (#1-3) to corelist-workers, configure the startup.conf file as follows.

cpu {
  main-core 0
  corelist-workers 1-3
}

As a result, each of the three CPU cores has a usage rate of 100% (300% in total). When displayed using the top command, it looks like the following.

top - 22:52:57 up 4 min,  4 users,  load average: 2.73, 1.22, 0.47
Tasks: 151 total,   2 running, 149 sleeping,   0 stopped,   0 zombie
%Cpu(s): 75.2 us,  0.2 sy,  0.0 ni, 24.5 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
MiB Mem :   7935.3 total,   6126.9 free,   1170.5 used,    638.0 buff/cache
MiB Swap:      0.0 total,      0.0 free,      0.0 used.   6524.8 avail Mem 

    PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND
   1204 root      20   0   82.2g 981656  29860 R 302.0  12.1   5:48.50 vpp_main <--
    102 root      20   0       0      0      0 I   0.3   0.0   0:00.11 kworker/2:1-events
...
  • /root/openair-upf/init.conf

Set network instance to internet.

set interface ip table n6 0
set interface mtu 9000 n6
set interface ip address n6 192.168.16.151/24
set interface state n6 up

set interface ip table n4 0
set interface mtu 9000 n4
set interface ip address n4 192.168.14.151/24
set interface state n4 up

set interface ip table n3 0
set interface mtu 9000 n3
set interface ip address n3 192.168.13.151/24
set interface state n3 up

ip route add 0.0.0.0/0 table 0 via 192.168.16.152 n6

upf pfcp endpoint ip 192.168.14.151 vrf 0

upf node-id fqdn 192.168.14.151

upf nwi name internet vrf 0

upf specification release 16

upf gtpu endpoint ip 192.168.13.151 nwi internet teid 0x000004d2/2

By adding the following line as in init.conf above,

upf specification release 16

FTUP: Supported is set in UP Function Features of PFCP Association Setup Response from VPP-UPF.

Run VPP-UPF with DPDK on VM-UP

# /usr/bin/vpp -c /root/openair-upf/startup.conf
clib_sysfs_prealloc_hugepages:260: pre-allocating 20 additional 2048K hugepages on numa node 0
0: clib_sysfs_prealloc_hugepages:260: pre-allocating 8 additional 2048K hugepages on numa node 0
dpdk             [warn  ]: not enough DPDK crypto resources
dpdk             [warn  ]: unsupported rx offloads requested on port 0: scatter 
dpdk             [warn  ]: unsupported rx offloads requested on port 1: scatter 
dpdk             [warn  ]: unsupported rx offloads requested on port 2: scatter 
dpdk/cryptodev   [warn  ]: dpdk_cryptodev_init: Not enough cryptodevs
    _______    _        _   _____  ___ 
 __/ __/ _ \  (_)__    | | / / _ \/ _ \
 _/ _// // / / / _ \   | |/ / ___/ ___/
 /_/ /____(_)_/\___/   |___/_/  /_/    

vpp#

Verify interfaces at VPP

vpp# show hardware-interfaces 
              Name                Idx   Link  Hardware
local0                             0    down  local0
  Link speed: unknown
  local
0: format_dpdk_device:590: rte_eth_dev_rss_hash_conf_get returned -95
n3                                 1     up   n3
  Link speed: 4294 Gbps
  Ethernet address bc:24:11:d8:09:23
  Red Hat Virtio
    carrier up half duplex mtu 9000 
    flags: admin-up pmd maybe-multiseg
    Devargs: 
    rx: queues 1 (max 1), desc 256 (min 0 max 65535 align 1)
    tx: queues 1 (max 1), desc 256 (min 0 max 65535 align 1)
    pci: device 1af4:1000 subsystem 1af4:0001 address 0000:00:14.00 numa 0
    max rx packet len: 9728
    promiscuous: unicast off all-multicast on
    vlan offload: strip off filter off qinq off
    rx offload avail:  vlan-strip udp-cksum tcp-cksum tcp-lro vlan-filter 
                       jumbo-frame 
    rx offload active: jumbo-frame 
    tx offload avail:  vlan-insert udp-cksum tcp-cksum tcp-tso multi-segs 
    tx offload active: multi-segs 
    rss avail:         none
    rss active:        none
    tx burst function: virtio_xmit_pkts
    rx burst function: virtio_recv_mergeable_pkts

0: format_dpdk_device:590: rte_eth_dev_rss_hash_conf_get returned -95
n4                                 2     up   n4
  Link speed: 4294 Gbps
  Ethernet address bc:24:11:f6:bf:06
  Red Hat Virtio
    carrier up half duplex mtu 9000 
    flags: admin-up pmd maybe-multiseg
    Devargs: 
    rx: queues 1 (max 1), desc 256 (min 0 max 65535 align 1)
    tx: queues 1 (max 1), desc 256 (min 0 max 65535 align 1)
    pci: device 1af4:1000 subsystem 1af4:0001 address 0000:00:15.00 numa 0
    max rx packet len: 9728
    promiscuous: unicast off all-multicast on
    vlan offload: strip off filter off qinq off
    rx offload avail:  vlan-strip udp-cksum tcp-cksum tcp-lro vlan-filter 
                       jumbo-frame 
    rx offload active: jumbo-frame 
    tx offload avail:  vlan-insert udp-cksum tcp-cksum tcp-tso multi-segs 
    tx offload active: multi-segs 
    rss avail:         none
    rss active:        none
    tx burst function: virtio_xmit_pkts
    rx burst function: virtio_recv_mergeable_pkts

n6                                 3     up   n6
  Link speed: 4294 Gbps
  Ethernet address bc:24:11:e4:9c:d1
  Red Hat Virtio
    carrier up half duplex mtu 9000 
    flags: admin-up pmd maybe-multiseg
    Devargs: 
    rx: queues 1 (max 1), desc 256 (min 0 max 65535 align 1)
    tx: queues 1 (max 1), desc 256 (min 0 max 65535 align 1)
    pci: device 1af4:1000 subsystem 1af4:0001 address 0000:00:16.00 numa 0
    max rx packet len: 9728
    promiscuous: unicast off all-multicast on
    vlan offload: strip off filter off qinq off
    rx offload avail:  vlan-strip udp-cksum tcp-cksum tcp-lro vlan-filter 
                       jumbo-frame 
    rx offload active: jumbo-frame 
    tx offload avail:  vlan-insert udp-cksum tcp-cksum tcp-tso multi-segs 
    tx offload active: multi-segs 
    rss avail:         none
    rss active:        none
    tx burst function: virtio_xmit_pkts
    rx burst function: virtio_recv_mergeable_pkts

    tx frames ok                                           1
    tx bytes ok                                           42
    extended stats:
      tx_good_packets                                      1
      tx_good_bytes                                       42
      tx_q0_packets                                        1
      tx_q0_bytes                                         42
      tx_q0_good_packets                                   1
      tx_q0_good_bytes                                    42
      tx_q0_broadcast_packets                              1
      tx_q0_undersize_packets                              1
upf-nwi-internet                   4     up   upf-nwi-internet
  Link speed: unknown
  GTPU
vpp# 

vpp# show interface address
local0 (dn):
n3 (up):
  L3 192.168.13.151/24
n4 (up):
  L3 192.168.14.151/24
n6 (up):
  L3 192.168.16.151/24
upf-nwi-internet (up):
vpp# 

vpp# show udp punt
IPV4 UDP ports punt : 2152, 8805
IPV6 UDP ports punt : 2152
vpp#

Setup Data Network Gateway on VM-DN

First, uncomment the next line in the /etc/sysctl.conf file and reflect it in the OS.

net.ipv4.ip_forward=1

# sysctl -p

Next, configure NAPT and routing to N6 IP address of VPP-UPF.

# iptables -t nat -A POSTROUTING -s <DN> -j MASQUERADE
# ip route add <DN> via 192.168.16.151 dev ens20

Note. Set <DN> according to the core network.
ex) 10.45.0.0/16

With the above steps, the VPP-UPF environment with DPDK has been constructed. You will be able to work VPP-UPF with Open5GS and free5GC. I would like to thank the excellent developers and all the contributors of OpenAir CN 5G for UPF, UPG-VPP and DPDK.

Sample Configurations

For 5G

For 4G

Annex 1. Build and Configure UPG-VPP v1.13.0 on VM-UP

For a simple overview of VPP-UPF at the beginning of this article, read OAI-CN5G-UPF-VPP as UPG-VPP.

VM-UP is as follows.

VM SW & Role IP address OS CPU
(Min)		 Mem
(Min)		 HDD
(Min)
VM-UP UPG-VPP U-Plane 192.168.0.151/24 Ubuntu 22.04 2 8GB 20GB

Confirmed Version List

This build instruction is based on vpp.spec of UPG-VPP, and vpp.spec and Dockerfile of FPP-VPP. I simply confirmed the operation of the following versions.

UPG-VPP FPP-VPP VPP
tag:v1.13.0 tag:v22.10.13 branch:stable/2210
commit:07e0c05e698cf5ffd1e2d2de0296d1907519dc3d
tag:v1.12.0 tag:v22.10.12 branch:stable/2210
commit:07e0c05e698cf5ffd1e2d2de0296d1907519dc3d
tag:v1.11.0 tag:v22.10.11 branch:stable/2210
commit:07e0c05e698cf5ffd1e2d2de0296d1907519dc3d

Install required packages

# apt install build-essential git meson ninja-build libhyperscan-dev

Build VPP v22.10 applied with patches of FPP-VPP v22.10.13

# cd ~
# git clone https://github.com/travelping/fpp-vpp.git
# cd fpp-vpp
# git checkout refs/tags/v22.10.13

# cd ~
# git clone https://github.com/FDio/vpp.git
# cd vpp
# git checkout stable/2210
# git reset --hard 07e0c05e698cf5ffd1e2d2de0296d1907519dc3d
# git am ../fpp-vpp/vpp-patches/*.patch
# make install-dep
# make install-ext-deps
# make build-release
# cp -r build-root/install-vpp-native/vpp /usr/local/

Then update the search path information for the shared libraries added for VPP.

# echo "/usr/local/vpp/lib/x86_64-linux-gnu" >> /etc/ld.so.conf.d/vpp.conf
# ldconfig

If you want to install the built files as packages without manually copying these, build binary packages as follows.

# make pkg-deb
...
# cd build-root
# ls -l *.deb
-rw-r--r-- 1 root root   194014 May  4 23:52 libvppinfra_22.10.0-33~g13e629901_amd64.deb
-rw-r--r-- 1 root root   144410 May  4 23:52 libvppinfra-dev_22.10.0-33~g13e629901_amd64.deb
-rw-r--r-- 1 root root    26466 May  4 23:52 python3-vpp-api_22.10.0-33~g13e629901_amd64.deb
-rw-r--r-- 1 root root  5575156 May  4 23:52 vpp_22.10.0-33~g13e629901_amd64.deb
-rw-r--r-- 1 root root 82589604 May  4 23:52 vpp-dbg_22.10.0-33~g13e629901_amd64.deb
-rw-r--r-- 1 root root  1294366 May  4 23:52 vpp-dev_22.10.0-33~g13e629901_amd64.deb
-rw-r--r-- 1 root root  4736556 May  4 23:52 vpp-plugin-core_22.10.0-33~g13e629901_amd64.deb
-rw-r--r-- 1 root root   363268 May  4 23:52 vpp-plugin-devtools_22.10.0-33~g13e629901_amd64.deb
-rw-r--r-- 1 root root  4465408 May  4 23:52 vpp-plugin-dpdk_22.10.0-33~g13e629901_amd64.deb

Build binaries for debugging

If you want to build in debug mode, make as follows.

...
# make build
# cp -r build-root/install-vpp_debug-native/vpp /usr/local/

If you want to install the built files as packages without manually copying these, build binary packages as follows.

# make pkg-deb-debug

Install the built VPP packages

If you want to install the VPP packages on a host other than the one on which these were built, first install the following dependent packages.

# apt install libnl-route-3-200

Then install the VPP packages.

# cd build-root
# dpkg -i *.deb

This allows you to operate VPP service using systemctl.

Build UPG-VPP v1.13.0

# cd ~
# git clone https://github.com/travelping/upg-vpp.git
# cd upg-vpp
# git checkout refs/tags/v1.13.0
# make version
# mkdir build
# cd build
# cmake -DVPP_HOME=/usr/local/vpp ..
# make
# cp upf_plugin.so /usr/local/vpp/lib/x86_64-linux-gnu/vpp_plugins

Now the UPG-VPP was built in /usr/local/vpp.

Note. UPG-VPP v1.13.0 does not support PDU Session container. Therefore, some gNodeBs may not accept GTP traffic from UPG-VPP that does not contain DL PDU SESSION INFORMATION in the PDU Session container. In that case, there is a way to try the OAI patch by referring to here. Also, this is a temporary patch for UPG-VPP v1.13.0 based on the OAI patch. QFI is fixed to 1. I confirmed that it works with the gNodeB of srsRAN_Project.

If you want to install the built upf_plugin.so etc as packages without manually copying these, build binary packages as follows.

# make package
...
# ls -l *.deb
-rw-r--r-- 1 root root 2866388 May  4 23:57 upf-plugin_1.13.0_amd64.deb
-rw-r--r-- 1 root root   38746 May  4 23:57 upf-plugin-dev_1.13.0_amd64.deb

Install the built UPG-VPP packages

If you want to install the UPG-VPP packages on a host other than the one on which these were built, first install the following dependent packages.

# apt install libhyperscan-dev

Then install the UPG-VPP packages.

# cd build
# dpkg -i *.deb

Changes in configuration files of UPG-VPP

Then see here for the original files.

  • openair-upf/startup.conf
--- startup.conf.orig   2023-07-09 11:59:18.000000000 +0900
+++ startup.conf        2023-11-12 15:54:33.395276365 +0900
@@ -1,3 +1,5 @@
+heapsize 2G
+
 unix {
   nodaemon
   log /tmp/vpp.log
@@ -28,8 +30,8 @@
 }
 
 plugins {
-  path /usr/lib/x86_64-linux-gnu/vpp_plugins/
-  plugin ikev2_plugin.so {disable}
+  path /usr/local/vpp/lib/x86_64-linux-gnu/vpp_plugins/
+  plugin oddbuf_plugin.so {enable}
   plugin dpdk_plugin.so {enable}
   plugin upf_plugin.so {enable}
 }
  • openair-upf/init.conf
    There is no change.

Changes when installing the built packages

The configuration files used when operating VPP service with systemctl are located in the following directory by default. Then see here for the original files.

  • /etc/vpp/startup.conf
--- startup.conf.orig   2023-07-09 11:59:18.000000000 +0900
+++ startup.conf        2024-02-24 12:22:32.506567556 +0900
@@ -1,3 +1,5 @@
+heapsize 2G
+
 unix {
   nodaemon
   log /tmp/vpp.log
@@ -5,7 +7,7 @@
   gid vpp
   interactive
   cli-listen /run/vpp/cli.sock
-  exec /root/openair-upf/init.conf
+  exec /etc/vpp/init.conf
 }
 
 api-trace {
@@ -28,8 +30,8 @@
 }
 
 plugins {
-  path /usr/lib/x86_64-linux-gnu/vpp_plugins/
-  plugin ikev2_plugin.so {disable}
+  path /usr/lib/x86_64-linux-gnu/vpp_plugins/:/usr/local/lib/vpp_plugins/
+  plugin oddbuf_plugin.so {enable}
   plugin dpdk_plugin.so {enable}
   plugin upf_plugin.so {enable}
 }
  • /etc/vpp/init.conf
    There is no change.

Run UPG-VPP with DPDK

As a prerequisite, see here for instructions on binding N3, N4 and N6 network interfaces to DPDK compatible driver.

First, create group vpp if it doesn't exist.

# addgroup vpp

Then run UPG-VPP with DPDK.

# /usr/local/vpp/bin/vpp -c /root/openair-upf/startup.conf
perfmon              [warn  ]: skipping source 'intel-uncore' - intel_uncore_init: no uncore units found
    _______    _        _   _____  ___ 
 __/ __/ _ \  (_)__    | | / / _ \/ _ \
 _/ _// // / / / _ \   | |/ / ___/ ___/
 /_/ /____(_)_/\___/   |___/_/  /_/    

vpp#

Run UPG-VPP when installing the built packages

# systemctl restart vpp
# systemctl status vpp
â vpp.service - vector packet processing engine
     Loaded: loaded (/lib/systemd/system/vpp.service; disabled; vendor preset: enabled)
     Active: active (running) since Mon 2024-10-14 06:17:55 JST; 8s ago
    Process: 1080 ExecStartPre=/sbin/modprobe uio_pci_generic (code=exited, status=0/SUCCESS)
   Main PID: 1085 (vpp_main)
      Tasks: 3 (limit: 9395)
     Memory: 1.4G
        CPU: 8.404s
     CGroup: /system.slice/vpp.service
             ââ1085 /usr/bin/vpp -c /etc/vpp/startup.conf

Oct 14 06:17:55 upg-vpp11 systemd[1]: Starting vector packet processing engine...
Oct 14 06:17:55 upg-vpp11 systemd[1]: Started vector packet processing engine.
Oct 14 06:17:55 upg-vpp11 vpp[1085]: perfmon              [warn  ]: skipping source 'intel-uncore' - intel_uncore_init: no uncore units found
Oct 14 06:17:56 upg-vpp11 vpp[1085]: 0: linux_epoll_file_update:120: epoll_ctl: Operation not permitted (errno 1)

Changelog (summary)

  • [2024.10.14] Changed the VM environment from Virtualbox to Proxmox VE.
  • [2024.06.04] Added confirmation of operation with gNodeB of srsRAN_Project.
  • [2024.05.04] Changed the UPG-VPP OS from Ubuntu 20.04 to 22.04.
  • [2024.03.30] Updated to v1.13.0 tag.
  • [2024.02.24] Added a procedure to build and install the packages.
  • [2024.02.11] Updated to v1.12.0 tag. Added the information that may be useful when gNodeB does not accept GTP traffic from UPG-VPP.
  • [2023.12.12] There is no change from v1.11.0-rc.2, and it has been tagged as v1.11.0.
  • [2023.12.03] Updated to v1.11.0-rc.2 tag.
  • [2023.12.02] Added case of using kernel built-in vfio-pci module.
  • [2023.11.08] Added a building procedure for UPG-VPP v1.10.0 on Host.
  • [2023.09.13] Added sample configurations.
  • [2023.07.09] Changed to build all VPP plugins.
  • [2023.07.05] When installing on host, changed to use the stable/1.2 branch of travelping/upg-vpp described in oai-cn5g-upf-vpp/docker/Dockerfile.*.
  • [2023.06.18] Added upf specification release 16 line in init.conf. Along with this, the corresponding description was deleted because the correspondence in the case of Open5GS became unnecessary.
  • [2023.06.15] Initial release.

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Install VPP-UPF with DPDK on Host

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dpdk vpp upf 5g openairinterface 5gc free5gc open5gs upg-vpp

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