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Setting up NetFPGA hosts: Ubuntu 10.04

Current Ubuntu NetFPGAs run Ubuntu version 8.04 and OpenFlow ver. 1.0. Here we try to move to newer distributions w/ OpenFlow Ver. 1.0. The hardware we use here is the NetFPGA cube, another version of the NetFPGA pre-built solution. A user named 'test' with root privs was added for this purpose.

Setup of the NetFPGA using earlier distributions can be found in the Diaries.

Linux distro:
Ubuntu Server 10.04, w/ xfce4 WM, openssh-server
kernel: 2.6.32-21-generic-pae

Packages:
NetFPGA base 2.1.0
Tunneling OpenFlow NetFPGA 1.0.0

Host info:
node1-1: 192.168.202.8
node1-2: 192.168.202.164

Installing Ubuntu.

1. set boot priority of CD drive to 1st in BIOS
2. If desktop edition, boot as a live CD and install from there. Trying direct install just results in the system proceeding to live CD Mode (10.04). Server edition can be installed directly w/out issues.

I: Setup - NetFPGA drivers.

1. dependencies.

There is an updated dependency list:

• ncurses-dev
• libnet1-dev
• libxml-simple-perl
• libio-interface-perl
• liblist-moreutils-perl
• liberror-perl
• libnet-rawip-perl
• sun-java6-jre
• sun-java6-jdk
• libpcap0.8-dev

Installing java packages. In 10.04, sun-java6-jre, jdk are obsoleted and moved to the partner repository. This repository can be added w/ the following (ref: ​https://help.ubuntu.com/community/Repositories/CommandLine):

1. copy "deb http://archive.canonical.com/ lucid partner" sans quotes to /etc/apt/sources.list
2. run apt-get update.
3. run apt-get as usual for the packages.

2. Kernel memory allocation.

Ubuntu versions beyond 8.04 (assume anything w/ kernels beyond v 2.6.28) use GRUB 2. GRUB 2 gets rid of menu.lst, so kernel memory must be allocated via the following method (ref. ​http://ohioloco.ubuntuforums.org/showthread.php?p=8229620):

Add "vmalloc=512m" to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub so it looks like this:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash vmalloc=512m"

Then run update-grub to regenerate /boot/grub/grub.cfg with the new parameter (you never want to modify grub.cfg directly).

3. Symlinks.

The steps are the same as before. Download libpcap.so.0.9.4, found below. Make sure to slap it into /usr/lib before linking.

ln /usr/bin/lspci /sbin/lspci
ln /usr/bin/setpci /sbin/setpci
ln -s /usr/lib/libpcap.so.0.9.4 /usr/lib/libpcap.so.0.9 
ln -s /usr/lib/libpcap.so.0.9.4 /usr/lib/libpcap.so.0
ln -s /usr/lib/libpcap.so.0.9.4 /usr/lib/libpcap.so

also check for /sbin/setpci. If it doesn't exist, create another link from /usr/bin/setpci:

ln -s /usr/bin/setpci /sbin/setpci

4. Edit files.

• edit "usleep 250" to "sleep 0.00025" in /test_loopback_drop/run.pl
• edit /home/netfpga/NF2/projects/router_kit/sw/rkd.cc to include limits.h

5. Setting Variables.

Scripts seemed broken, so manually export'd all of them. Specifics of variables pulled from README in base package root directory.

export NF_ROOT=/home/test/netfpga  #(wherever your netfpga base files are) 
export NF_DESIGN_DIR="${NF_ROOT}/projects/reference_router"  #(whatever directory project is in)
export PERL5LIB="${NF_DESIGN_DIR}/lib/Perl5:${NF_ROOT}/lib/Perl5:${PERL5LIB}"  #(from ${NF_ROOT}/bin/nf_profile)

6. Moment of truth.

make then make install.
Then, check for nf2 module with lsmod | grep nf2:

nf2                    13425  0 

and for nf2cn, n=0:3 with ifconfig -a.

nf2c0     Link encap:Ethernet  HWaddr 00:4e:46:32:43:00  
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:16 

nf2c1     Link encap:Ethernet  HWaddr 00:4e:46:32:43:01  
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:16 

nf2c2     Link encap:Ethernet  HWaddr 00:4e:46:32:43:02  
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:16 

nf2c3     Link encap:Ethernet  HWaddr 00:4e:46:32:43:03  
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:16 

7. modifications for the cpci reprogrammer

In Debian, the command lspci is located under /usr/bin/, and ifconfig under /sbin/. cpci_reprogram.pl must reflect these differences. Edit lines 24 and 25 in the file (under /usr/local/sbin, and ./netfpga/lib/scripts/cpci_reprogram/) as such:

# System binaries
my $lspci = '/usr/bin/lspci';
my $ifconfig = '/sbin/ifconfig';

Then add cpci_reprogram.pl to the startup routine. Add the following to /etc/rc.local:

/home/test/netfpga/lib/scripts/cpci_reprogram/cpci_reprogram.pl --all

The selftest does not work in Ubuntu. so don't try it.

II: Setup - OpenFlow components.

The OpenFlow wiki on CentOS NetFPGA setup were followed in conjunction with the netfpga site wiki for the Tunneling OpenFlow NetFPGA. Stes are reiterated here since nothing is permanent.

• ​Tunneling !OpenFlow NetFPGA
• OpenFlow setup on ​Ubuntu and ​CentOS

1. dependencies.

• autoconf
• libtool
• pkg-config
• linux-source-2.6.32
• git-core
• automake
• m4

2. OpenFlow package installation

This happens in the same directory as the netfpga install (here, /home/test). From git repository (automatically pulls the newest version):

git clone git://openflowswitch.org/openflow.git
cd openflow
./boot.sh

To make NetFPGA compatible:

./configure --enable-hw-lib=nf2

Remove avahi-daemon and disable IPv6:

sudo apt-get remove avahi-daemon

in /etc/sysctl.conf add

net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1

and in /etc/modprobe.d/blacklist.conf

blacklist net-pf-10
blacklist ipv6

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