linux config: add support for xdp sockets and ebpf jit #73328
Merged
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xdp socket support (AF_XDP) is the new way of implementing high
performance networking on linux. on arch linux and debian this is
already enabled (checked via the links from the nixos manual).
moreover, these flags are suggested by the bpf documentation at cilium:
https://cilium.readthedocs.io/en/latest/bpf/#compiling-the-kernel
additionally the flag
BPF_JIT_ALWAYS_ON
on was suggested to helpspectre attack mitigations:
torvalds/linux@290af86
Things done
sandbox
innix.conf
on non-NixOS linux)nix-shell -p nix-review --run "nix-review wip"
./result/bin/
)nix path-info -S
before and after)Notify maintainers
cc @Mic92 @flokli