Adding upstream version 3.0.5.upstream/3.0.5upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/libknot/xdp/Makefile.am b/src/libknot/xdp/Makefile.am
new file mode 100644
index 0000000..e4d309c
--- /dev/null
+++ b/src/libknot/xdp/Makefile.am
@@ -0,0 +1,15 @@
+# Useful commands:
+#   make filter
+#   ip link show $eth
+#   sudo ip link set dev $eth xdp off
+#   sudo ip link set dev $eth xdp obj ./bpf-kernel.o
+
+EXTRA_DIST = bpf-kernel-obj.c bpf-kernel.c
+
+.PHONY: filter
+
+filter:
+	rm -f bpf-kernel.ll bpf-kernel.o bpf-kernel-obj.c
+	clang -S -target bpf -Wall -O2 -emit-llvm -c -DNDEBUG -o bpf-kernel.ll -I/usr/include/x86_64-linux-gnu -include ../../config.h bpf-kernel.c
+	llc -march=bpf -filetype=obj -o bpf-kernel.o bpf-kernel.ll
+	xxd -i bpf-kernel.o > bpf-kernel-obj.c