On 10 September 2018 at 09:26, Jakub Kicinski
wrote:
> The 0x20ULL will mean use the index in the map for current CPU
> (0x), and output 32 bytes of the context (0x20 << 32). For
> networking programs context means the packet (slightly confusingly).
>
> These are the relevant defi
On Fri, 7 Sep 2018 15:56:15 +0100, Lorenz Bauer wrote:
> Hello list,
>
> I'm attempting to use bpf_perf_event_output to do packet sampling from XDP.
>
> The code basically runs before our other XDP code, does a
> perf_event_output with the full packet (for now) and then tail calls
> into DDoS mit
Re-sent due to HTML e-mail mess up, apologies.
-- Forwarded message --
From: Lorenz Bauer
Date: 7 September 2018 at 15:53
Subject: Allow bpf_perf_event_output to access packet data
To: netdev@vger.kernel.org, Alexei Starovoitov ,
Daniel Borkmann
Hello list,
I'm attempti
