From 7ab6f2cd8c72e403d84ebe8974dacf0299d01cef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cyryl=20P=C5=82otnicki?= <cyplo@cyplo.net>
Date: Tue, 29 Oct 2019 22:52:37 +0000
Subject: [PATCH] bpf and bcc

---
 nixos/boxes/foureighty.nix | 20 ++++++++++++++++++++
 nixos/common.nix           |  3 +--
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/nixos/boxes/foureighty.nix b/nixos/boxes/foureighty.nix
index 7053e2bc..22f7cca6 100644
--- a/nixos/boxes/foureighty.nix
+++ b/nixos/boxes/foureighty.nix
@@ -5,6 +5,26 @@
   boot = {
     kernelPackages = pkgs.linuxPackages_hardened;
     extraModulePackages = with config.boot.kernelPackages; [ wireguard ];
+    kernelPatches = [{
+      name = "bpf";
+      patch = null;
+      extraConfig = ''
+        BPF y
+        BPF_EVENTS y
+        BPF_JIT y
+        BPF_SYSCALL y
+        DUMMY m
+        HAVE_EBPF_JIT y
+        KALLSYMS_ALL y
+        NET_ACT_BPF m
+        NET_ACT_GACT m
+        NET_ACT_POLICE m
+        NET_CLS_BPF m
+        NET_SCH_SFQ m
+        VXLAN m
+      '';}
+    ];
+
     initrd.kernelModules = [ "i915" ];
     initrd.availableKernelModules = [
       "aes_x86_64"
diff --git a/nixos/common.nix b/nixos/common.nix
index e4478a73..444bcdb6 100644
--- a/nixos/common.nix
+++ b/nixos/common.nix
@@ -29,8 +29,7 @@ in
       };
 
       environment.systemPackages = with pkgs; [
-        wget git gnupg curl tmux python36Packages.glances htop atop firefox home-manager alacritty pciutils powertop
-
+        wget git gnupg curl tmux python36Packages.glances htop atop firefox home-manager alacritty pciutils powertop linuxPackages_hardened.bcc
       ];
 
       i18n.defaultLocale = "en_GB.UTF-8";