Add default installer script

[flowspec-xdp] / install.sh

diff --git a/install.sh b/install.sh
new file mode 100755 (executable)
index 0000000..d93664c
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+set -e
+
+RULES="$(birdc show route table flowspec4)
+$(birdc show route table flowspec6)"
+
+echo "$RULES" | ./genrules.py --8021q=drop-vlan --v6frag=ignore-parse-if-rule --ihl=drop-options
+clang -std=c99 -pedantic -Wall -Wextra -Wno-pointer-arith -Wno-unused-variable -Os -emit-llvm -c xdp.c -o - | llc -march=bpf -filetype=obj -o xdp
+
+echo "Before unload drop count was:"
+./dropcount.sh || echo "Not loaded"
+
+ip link set "$1" xdp off
+ip link set "$1" xdpgeneric off
+# Note that sometimes the automated fallback does not work properly so we have to || generic here
+ip link set "$1" xdp obj xdp sec xdp_drop || ip link set "$1" xdpgeneric obj xdp sec xdp_drop