Add app source, add vendoring and module support

vendor/github.com/vishvananda/netlink/nl/rdma_link_linux.go

@@ -0,0 +1,30 @@
+package nl
+
+const (
+	RDMA_NL_GET_CLIENT_SHIFT = 10
+)
+
+const (
+	RDMA_NL_NLDEV = 5
+)
+
+const (
+	RDMA_NLDEV_CMD_GET = 1
+)
+
+const (
+	RDMA_NLDEV_ATTR_DEV_INDEX       = 1
+	RDMA_NLDEV_ATTR_DEV_NAME        = 2
+	RDMA_NLDEV_ATTR_PORT_INDEX      = 3
+	RDMA_NLDEV_ATTR_CAP_FLAGS       = 4
+	RDMA_NLDEV_ATTR_FW_VERSION      = 5
+	RDMA_NLDEV_ATTR_NODE_GUID       = 6
+	RDMA_NLDEV_ATTR_SYS_IMAGE_GUID  = 7
+	RDMA_NLDEV_ATTR_SUBNET_PREFIX   = 8
+	RDMA_NLDEV_ATTR_LID             = 9
+	RDMA_NLDEV_ATTR_SM_LID          = 10
+	RDMA_NLDEV_ATTR_LMC             = 11
+	RDMA_NLDEV_ATTR_PORT_STATE      = 12
+	RDMA_NLDEV_ATTR_PORT_PHYS_STATE = 13
+	RDMA_NLDEV_ATTR_DEV_NODE_TYPE   = 14
+)