af_xdp: AF_XDP input plugin

Type: feature

Change-Id: I85aa4ad6b68c1aa0e51938002dc691a4b11c545c
Signed-off-by: Damjan Marion <damarion@cisco.com>
Signed-off-by: Benoît Ganne <bganne@cisco.com>
diff --git a/build/external/Makefile b/build/external/Makefile
index e5dff3c..b0e3cee 100644
--- a/build/external/Makefile
+++ b/build/external/Makefile
@@ -39,13 +39,14 @@
 include packages/quicly.mk
 include packages/dpdk.mk
 include packages/rdma-core.mk
+include packages/libbpf.mk
 
 .PHONY: clean
 clean:
 	@rm -rf $(B) $(I)
 
 .PHONY: install
-install: dpdk-install rdma-core-install quicly-install
+install: dpdk-install rdma-core-install quicly-install libbpf-install
 
 .PHONY: config
 config: dpdk-config rdma-core-config