xdp-tutorial
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xdp-project
XDP tutorial
Recently I was using xdp/ebpf with kubernetes. When I want to run an ebpf program for a specific kubernetes pod I use command `kubectl exec -it podname bash` to enter...
On my device wtih Intel i7-6700 CPU and igb NIC driver and centos7.5 kernel 5.4.0, using bpf_redirecct_map() in tutors of packet03, there is always handreds fram losss, no metter the...
How to write a map in user space for kernel space to read？I have not found in any tutorial.
I want make a hash tree with a lot of hash arrays(may be 1000000). But one program can access at most 64 maps. I have tried to use a map...
/sys/kernel/debug/ is empty. what is the problem? [root@localhost tracing03-xdp-debug-print]# ls /sys/kernel/debug/ [root@localhost tracing03-xdp-debug-print]#
It didn't merge this branch with BTF examples as it failed... It believe it now actually works, as it was a issue in libbpf that caused the BTF code to...
I would like to build an address scanner and portscanner for IPv6 using several different techniques which are more efficient than scanning a `/64`. I read the following comment in...
I'm trying to get the Advanced03_AF_XDP running in Fedora, which runs kernel `5.3.0.rc6`. `CONFIG_XDP_SOCKETS=y` is correctly configured. I'm running the following commands as root: ``` cd advanced03-AF_XPD make t setup...
Hello, Simply running af_xdp_user on an updated Stretch (4.19.0-5-amd64): # grep XDP /boot/config-4.19.0-5-amd64 CONFIG_XDP_SOCKETS=y # ./af_xdp_user -d eth20 ERROR: Can't create umem "Cannot allocate memory" A bit of gdb shows...
Hi everyone, I'm investigating the AF_XDP technology and I encountered a problem while compiling and trying to use the `af_xdp_kern.c` source file as-it-is. While compiling the filter triggers no error,...
