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Update setup_dependencies.org #201

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36 changes: 36 additions & 0 deletions setup_dependencies.org
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Original file line number Diff line number Diff line change
Expand Up @@ -185,10 +185,46 @@ is provided by Netronome
[[https://help.netronome.com/support/solutions/articles/36000050009-agilio-ebpf-2-0-6-extended-berkeley-packet-filter][on their support website]].
The binary is statically linked, and should work on any x86-64 Linux machine.

If you are using Debian Buster, you may acitvate buster-backports in /etc/apt/sources.list to get access to bpftool.

#+begin_example
$ cat /etc/apt/sources.list
deb http://deb.debian.org/debian buster main contrib non-free
deb http://deb.debian.org/debian-security buster/updates main contrib non-free
# Backports are _not_ enabled by default.
# Enable them by uncommenting the following line:
deb http://deb.debian.org/debian buster-backports main contrib non-free

$ apt update
$ apt install bpftool
#+end_example

If you are doing your experiments on a Raspberry Pi (or maybe other ARM based architectures) you might run into some dependency errors:

#+begin_example
In file included from xdp_pass_kern.c:2:
In file included from ../headers/linux/bpf.h:11:
/usr/include/linux/types.h:5:10: fatal error: 'asm/types.h' file not found
#include <asm/types.h>
^~~~~~~~~~~~~
#+end_example

Add additional BPF_CFLAGS in common/common.mk will fix that:

#+begin_example
$ git diff common/common.mk
...
BPF_CFLAGS ?= -I$(LIBBPF_DIR)/build/usr/include/ -I../headers/
+BPF_CFLAGS += -I/usr/include/aarch64-linux-gnu
#+end_example


** Packages on openSUSE

On a machine running the openSUSE Tumbleweed distribution, install package:

#+begin_example
$ sudo zypper install bpftool
#+end_example

**
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Spurious empty heading snuck in at the end..