• https://www.intel.com/content/www/us/en/products/details/network-io/intelligent-fabric-processors.html – Tofino & P4 Studio

• https://networkbuilders.intel.com/university/programs-offered
• https://networkbuilders.intel.com/university/membership-benefits

• https://github.com/barefootnetworks/Open-Tofino – Open-Tofino
• https://www.intel.com/content/www/us/en/resources-documentation/developer.html#panel-top-resources|most-popular
• https://www.intel.com/content/www/us/en/developer/overview.html (P4 Studio, nach neuesten Filtern)

# select the desired version of Barefoot SDE (is already set in ~/.profile)
source ~/tools/set_sde.bash
# setup Virtual Ethernet (veth) interfaces
# only necessary once, if Virtual interfaces not exist (check via ifconfig)
sudo $SDE_INSTALL/bin/veth_setup.sh
 
# 1. compile [1.Shell]
~/tools/p4_build.sh ~/labs/01-simple_l3/p4src/simple_l3.p4
# 2. run tofino-model [1. Shell]
$SDE/run_tofino_model.sh -p simple_l3
# 3. run the driver (bf_switchd) [2. Shell]
$SDE/run_switchd.sh -p simple_l3
 
# 4. bfshell-Access oder Python Script [3. Shell]
$SDE/run_bfshell.sh
#oder ein Python Skript starten
~/bf-sde-9.9.1/run_bfshell.sh -b ~/labs/lab_1112/02-simple_l3_acl/bfrt_python/basic_setup.py -i
 
#scapy (run in separte terminal - 4. Shell)
>>> sendp(Ether()/IP(dst='5.5.5.5')/UDP()/'abcdefg', iface="veth1")
 
# sniff packets (numerically, Hex and ASCII output, veth0-Interface)
sudo tcpdump -v -n -XX -i veth0

# decompress SDK in home directory of user
tar -xzvf /home/p4/bf-sde-9.9.1.tgz
cd bf-sde-9.9.1/p4studio/
 
# install p4studio (detailled instructions below), requires 4-8GB of RAM (otherwise build error)
./p4studio interactive
#or if profile already exists:
./p4studio profile apply profiles/user-profile.yaml
 
# decompress ica-tools in home directory of user
tar -xvzf /home/p4/ica-tools.tgz 

#nicht klar, ob das notwendig ist - pfad zum *.tgz angeben im 'p4studio interactive' reicht eigentlich aus!
tar -xzvf bf-reference-bsp-9.9.1.tgz 
export BSP=/home/user/bf-reference-bsp-9.9.1
cd $BSP
./extract_all.sh 
 
user@wedge100bf:~/bf-reference-bsp-9.9.1/bf-platforms-9.9.1/platforms/accton-bf$ ./install_pltfm_deps.sh 
export SDE=/home/user/bf-sde-9.9.1/

user@wedge100bf:~/bf-sde-9.9.1/p4studio$ ./p4studio interactive
Do you want to install dependencies? [Y/n]: Y
Do you want to build switch-p4-16? [y/N]: y
Please provide the profile to build switch with (x1_tofino, x2_tofino, y1_tofino2, y2_tofino2, y3_tofino2, z2_tofino2, z2_tofino3, y2_tofino3) [x1_tofino]: 
Do you want to build bf-diags? [y/N]: y
Do you want to build P4-14 examples? [y/N]: n
Do you want to build P4-16 examples? [Y/n]: 
Please provide architecture for bf-diags and p4-examples (tofino, tofino2, tofino2m, tofino2h, tofino3, all) [tofino]: 
Do you want to build for HW? [y/N]: y
Do you want to build BSP? [y/N]: y
Please provide the path to BSP: /home/user/bf-reference-bsp-9.9.1
Do you want to use custom kernel headers? [y/N]: 
Do you want to enable P4Runtime? [y/N]: 

Created profile:
global-options:
  asic: true
features:
  bf-diags: {}
  bf-platforms:
    bsp-path: /home/user/bf-reference-bsp-9.9.1.tgz
  p4-examples:
  - p4-16-programs
  switch:
    profile: x1_tofino
architectures:
- tofino

Do you want to write it to a file? [y/N]: y
Please provide the profile filename - [Example:profiles/my-profile.yaml]: profiles/user-profile.yaml
Do you want to continue building SDE? [y/N]: y

Source packages to install: 
 - bridge
 - libcli
 - thrift
 - grpc
Configuration options: 
 ✓ asic
 ✓ switch
 ✓ bf-diags
 ✓ tofino
 ✗ tofino2
 ✗ tofino2m
 ✗ tofino2h
 ✗ tofino3
Targets to build: 
 - p4-16-programs
 - x1_tofino

sudo mount -t vfat /dev/sdb1 /media/USB-Disk -o uid=1000,gid=1000,utf8,dmask=027,fmask=137

export SDE=/home/user/bf-sde-9.9.1/
cd bf-sde-9.9.1/; . ~/tools/set_sde.bash 
# oder
source ~/tools/set_sde.bash 
sudo $SDE_INSTALL/bin/bf_kdrv_mod_load $SDE_INSTALL # lädt den User-Mode-Driver (ICA 1131)

Die Variablen werden derzeit über die .profile-Datei beim Einloggen gesetzt (führt zu Fehlermeldung, falls Kerneldriver bereits geladen)

./run_switchd.sh -p diag # startet bf_shell, exit mit Ctrl-\: Ctrl-AltGr-ß / Ctrl-Alt-Umschalt-7
./run_switchd.sh -p simple # startet simple.p4
 
bfshell> ucli
 
qspf show
pm show
port-add 1/0 10G NONE
port-add 1/1 10G NONE
port-add 1/2 10G NONE
port-add 1/3 10G NONE
port-enb 1/- 

Default Login für baseboxd
login: basebox password: b-isdn

sudo client_drivshell port xe3 AN=on
 
#Auto-negotion ausschalten (nur notwendig auf AS4610!)
0-Auto, 2-Disabled
 
port-add 1/0 10G NONE
port-add 1/1 10G NONE
port-add 1/2 10G NONE
port-add 1/3 10G NONE
an-set 1/0 0
an-set 1/1 0
an-set 1/2 2
an-set 1/3 2
port-enb 1/- 
pm show
 
port-dis 1/3
port-enb 1/3

#ip link show
#brctl show
bridge vlan show
sudo systemctl restart systemd-networkd

sudo client_drivshell port xe0-xe3 an=on
btw, you can also use the port numbers, e.g. sudo client_drivshell port 1-4 an=on
 
sudo client_drivshell port xe1 AN=on
sudo client_drivshell port xe0 AN=on Enable=true
sudo client_drivshell port xe1 AN=on 
 
#zuerst AN=off  !!!
sudo ip link set port1 up
sudo client_drivshell port xe0 AN=off SP=10000
sudo client_drivshell port xe0 AN=on SP=10000
sudo client_drivshell port xe1 AN=on SP=10000
sudo client_drivshell port xe2 AN=on SP=10000
sudo client_drivshell port xe3 AN=on SP=10000
#dannach können alle ports aktiviert werden
 
sudo client_drivshell port xe1 AN=on SP=10000
sudo ip link set port2 up