1 files changed, 29 insertions, 0 deletions
diff --git a/shared/n-acd/src/n-acd-bpf-fallback.c b/shared/n-acd/src/n-acd-bpf-fallback.c
new file mode 100644
index 00000000..7270cfd9
--- /dev/null
+++ b/shared/n-acd/src/n-acd-bpf-fallback.c
@@ -0,0 +1,29 @@
+/*
+ * A noop implementation of eBPF filter for IPv4 Address Conflict Detection
+ *
+ * These are a collection of dummy functions that have no effect, but allows
+ * n-acd to compile without eBPF support.
+ *
+ * See n-acd-bpf.c for documentation.
+ */
+
+#include <stddef.h>
+#include "n-acd-private.h"
+
+int n_acd_bpf_map_create(int *mapfdp, size_t max_entries) {
+        *mapfdp = -1;
+        return 0;
+}
+
+int n_acd_bpf_map_add(int mapfd, struct in_addr *addrp) {
+        return 0;
+}
+
+int n_acd_bpf_map_remove(int mapfd, struct in_addr *addrp) {
+        return 0;
+}
+
+int n_acd_bpf_compile(int *progfdp, int mapfd, struct ether_addr *macp) {
+        *progfdp = -1;
+        return 0;
+}