I am seeing unexpected behavior from bpf_obj_get, although this is likely due to my inexperience with BPF. In a loader program, I create a pinned map at "sys/fs/bpf/test/xdp_stats_map". In a separate

I'm reading through codegen_llvm.cpp[0] and I noticed that ustack map keys are packed with a PID. From what I understand, if you run bpftrace -e 'uprobe:/lib64/libc.so.6:usleep /comm == "a.out"/ { @[u

Hi all, Thanks for joining in to the call today. As usual, here are my notes. Cheers, Brenden === Discussion === Daniel: - Some cilium debugging for loadbalancing case - Fix sendmsg hooks for unconnec

Hi all, What kind of network topology should I set up to make xdp_redirect_map.py runnable and what user-case this example represent for? PS: I have the same question about xdp_macswap_count.py too Th

Please join us tomorrow for our bi-weekly call. As usual, this meeting is open to everybody and completely optional. You might be interested to join if: You want to know what is going on in BPF land Y

Hello everybody, Do you know if I can use a bpf file from bcc for snort ? Thank you in advance to answer if I can and how to do my ask, Regards. Dorian ROSSE. Provenance : Courrier pour Windows 10

Hi, I'm new to XDP, I am trying to compile a simple code to start with. When I compile with clang, I face an error. Can someone please help me out in resolving this issue. # clang -target bpf -c drop.

Hi, I’m new to bpf and when run `iovisor/bcc` examples with `xdp_redirect_cpu.py` in my vm, the connection will lost and I have to restart my vm. In my understanding this example just foword the packa

This is a call for proposals for the BPF micro-conference at this years' Linux Plumbers Conference (LPC) 2019 which will be held in Lisbon, Portugal for September 9-11. The goal of the BPF micro-confe

Hi all, Thanks for joining the call today. As usual, here are my notes from the discussion. === Discussion === Alexei: LSF/MM - BPF track * overall went quite well * planning BPF conference for next y

Please join us tomorrow for our bi-weekly call. As usual, this meeting is open to everybody and completely optional. You might be interested to join if: You want to know what is going on in BPF land Y

Hi all, We have acquired some Netronome Agilio CX 10GbE, installed on a server running a Proxmox node. We have created a virtual function and pass through them to a Virtual Machine running Ubuntu 18 w

Hello everybody, I have installed the bcc programs but Do you know bcc tutorial in french because my English is as a buddy lol Thank you in advance to bring your help 😊 Have a nice Week, Regards. Azar

Hi, Will it be possible to replicate packets using XDP. e,g, capture pkt on if-a look for any match and then replicate the packets, modify the IP address send it out of if-a. Best Regards, Prashanth

Hi All, Thanks for joining in to the call this week. As usual, here are my notes. Cheers, Brenden === Discussion === Yonghong: * Code reviews mostly * bpfd (client/server approach) effort paused * see

Please join us tomorrow for our bi-weekly call. As usual, this meeting is open to everybody and completely optional. You might be interested to join if: You want to know what is going on in BPF land Y

I have a need to have a bpftrace script #include headers from a project directory. In cc, this is like adding -I<path>. Am I blind from reading manuals or is there a clever way to pass that info down

Hi All, Thanks for joining the call today. As usual, here are my notes. Thanks, Brenden === Discussion === Yonghong: - compile once run everywhere work continues - some prototypes for internal project

I'm sorry there was an error on the code, the spinlock was never released if kern_path() failed.Here is the fix. diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index 2de82d14424d..2a83eba631

Please join us tomorrow for our bi-weekly call. As usual, this meeting is open to everybody and completely optional. You might be interested to join if: You want to know what is going on in BPF land Y