add rudimentary protocol handling

1 files changed, 42 insertions, 0 deletions

diff --git a/proto.c b/proto.c
new file mode 100644
index 0000000..a345b35
--- /dev/null
+++ b/proto.c
@@ -0,0 +1,42 @@
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "netifd.h"
+#include "proto.h"
+
+static void
+default_proto_free(struct interface_proto_state *proto)
+{
+	free(proto);
+}
+
+static int
+default_proto_handler(struct interface_proto_state *proto,
+		      enum interface_proto_cmd cmd, bool force)
+{
+	enum interface_event ev;
+
+	switch(cmd) {
+	case PROTO_CMD_SETUP:
+		ev = IFEV_UP;
+		break;
+	case PROTO_CMD_TEARDOWN:
+		ev = IFEV_DOWN;
+		break;
+	default:
+		return -EINVAL;
+	}
+	proto->proto_event(proto, ev);
+	return 0;
+}
+
+struct interface_proto_state *get_default_proto(void)
+{
+	struct interface_proto_state *proto;
+
+	proto = calloc(1, sizeof(*proto));
+	proto->handler = default_proto_handler;
+	proto->free = default_proto_free;
+	return proto;
+}