XDP実行環境セットアップ用スクリプト、Ubuntu 16.04上でIntel e1000ドライバを使う前提

xdp_env_setup.sh

#!/bin/bash

set -eu
set -x

echo 'Acquire::ForceIPv4 "true";' | sudo tee /etc/apt/apt.conf.d/99force-ipv4
sudo apt update
sudo apt -y upgrade
sudo apt -y dist-upgrade
# sudo apt install -y tmux
sudo apt install -y git build-essential kernel-package fakeroot libncurses5-dev libssl-dev ccache

WORK_DIR=$(mktemp -d work.XXXX)
cd ${WORK_DIR}

wget -4 https://git.kernel.org/pub/scm/linux/kernel/git/ast/bpf.git/snapshot/bpf-0afee87cfc800bf3317f4dc8847e6f36539b820c.tar.gz
tar xvzf bpf-0afee87cfc800bf3317f4dc8847e6f36539b820c.tar.gz > /dev/null

git clone --depth 1 https://git.launchpad.net/~ubuntu-kernel-test/ubuntu/+source/linux/+git/mainline-crack v4.11
cd v4.11

git checkout -b yjuba_work
## XDPサポートの入ったe1000に差し替え
cp ../bpf-0afee87cfc800bf3317f4dc8847e6f36539b820c/drivers/net/ethernet/intel/e1000/* ./drivers/net/ethernet/intel/e1000/
cp /boot/config-$(uname -r) .config

yes '' | make oldconfig
## Option
# make menuconfig
scripts/config --disable DEBUG_INFO
make clean

## 必要に応じてオプションは変更
make -j 48 bindeb-pkg LOCALVERSION=-yjuba

cd ../

## XDPサポート付きのe1000を含むKernelのInstall
sudo dpkg -i *.deb

##########################################################
## ここ以降で、新しいKernelに変更するため、一度再起動が必要 ##
##########################################################

## BPF Compiler CollectionのInstall
## 参考: https://github.com/iovisor/bcc/blob/master/INSTALL.md#ubuntu-xenial---binary
echo 'deb [trusted=yes] https://repo.iovisor.org/apt/xenial xenial-nightly main' | sudo tee /etc/apt/sources.list.d/iovisor.list
sudo apt update
sudo apt install -y bcc-tools libbcc-examples python-pip
sudo pip install pyroute2

## 実行後、ens3は一切のパケットをDropするため注意
# sudo python /usr/share/bcc/examples/networking/xdp/xdp_drop_count.py ens3

## Option
## XDPサポートを含むiproute2コマンド一式のInstall
## 参考: https://github.com/cilium/cilium
sudo apt install -y pkg-config libelf-dev bison flex
git clone --depth 1 -b v4.11.0 https://git.kernel.org/pub/scm/linux/kernel/git/shemminger/iproute2.git
cd iproute2/

## 既存のipコマンドは/bin/以下
## 新しいipコマンドは/sbin/以下に置かれる
make -j 48
sudo make install

## yjuba@yjuba-xdp-work:~/git/iproute2$ sudo /sbin/ip link set dev ens3 xdp off
## yjuba@yjuba-xdp-work:~/git/iproute2$ sudo /bin/ip link set dev ens3 xdp off
## Error: either "dev" is duplicate, or "xdp" is a garbage.

cd ../