xdp-tutorial

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configure error in Ubuntu 20.04.6 LTS

6

Hi！ I am using Ubuntu 20.04.6 LTS , and I set up my enviroment by doing erver step in [setup_dependencies.org](https://github.com/xdp-project/xdp-tutorial/blob/master/setup_dependencies.org) I use `sudo apt install linux-tools-common linux-tools-generic` to install bpftool...

MarsYYP

run ./xdp_pass_user --dev lo error! in Ubuntu 20.04

4

1. My os version ``` root@ubuntu20-04:~/xdp-tutorial/basic01-xdp-pass# cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=20.04 DISTRIB_CODENAME=focal DISTRIB_DESCRIPTION="Ubuntu 20.04.5 LTS" root@ubuntu20-04:~/xdp-tutorial/basic01-xdp-pass# uname -a Linux ubuntu20-04 5.4.0-169-generic #187-Ubuntu SMP Thu Nov 23 14:52:28 UTC 2023 x86_64 x86_64...

alenliu

Missing file

1

https://github.com/xdp-project/xdp-tutorial/blob/7c515b64f38b7209f9bc620c581d016779b000ae/lib/defines.mk#L4 The line refers to a file that doesn't exists.

rmahique

extend packet

5

hi,everone ! I would like to ask if there is a way to use XDP to extend the packet, such as adding a new field, and ensure that the end...

Nian0124

https://github.com/xdp-project/xdp-tutorial/blob/7c515b64f38b7209f9bc620c581d016779b000ae/basic01-xdp-pass/README.org?plain=1#L41C33-L41C33 There is no configure file.

rmahique

For my project, I want to insert a timestamp option into outer IP header of a GENEVE encapsulated packet. I tried with a BPF program which attached into egress TC...

ahihi8z8z

Xdp in run to completion and poll mode

3

I am having an observation where in some of the system with optical fiber adapter (sfp/sfp+) the run to completion mode is not working, only the poll mode is working....

Adarsh97

xdp_redirect_map works for ping but not iperf

1

I followed [Bidirectional Router](https://github.com/xdp-project/xdp-tutorial/tree/master/packet03-redirecting#assignment-3-extend-to-a-bidirectional-router) and ping between `left` and `right` works: From inside `t enter --name right`: ``` root@main:~/xdp-tutorial/packet03# ping fc00:dead:cafe:4::2 PING fc00:dead:cafe:4::2(fc00:dead:cafe:4::2) 56 data bytes 64 bytes from fc00:dead:cafe:4::2:...

zhileiz

Dispatcher version issue

1

Hi I have been facing this issue. ``` sudo xdp-loader status lo CURRENT XDP PROGRAM STATUS: Interface Prio Program name Mode ID Tag Chain actions -------------------------------------------------------------------------------------- libxdp: XDP dispatcher version...

mahinash26

is Kernel version 5.8 old ?

1

Hi, I'm learning xdp-project but when I build the example, I get this error. I use kernel version 5.8.0-63-generic, is this version not suitable for project?   

thanhlong9x