1 files changed, 37 insertions, 0 deletions
diff --git a/src/host/virt_phy/include/virtphy/l1ctl_sock.h b/src/host/virt_phy/include/virtphy/l1ctl_sock.h
new file mode 100644
index 00000000..ef9799c2
--- /dev/null
+++ b/src/host/virt_phy/include/virtphy/l1ctl_sock.h
@@ -0,0 +1,37 @@
+#pragma once
+
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/select.h>
+
+#define L1CTL_SOCK_PATH	"/tmp/osmocom_l2"
+
+/* L1CTL socket instance contains socket data. */
+struct l1ctl_sock_inst {
+	void *priv; /* Will be appended after osmo-fd's data pointer. */
+	struct osmo_fd connection; /* L1CTL connection to l2 app */
+	struct osmo_fd ofd; /* Osmocom file descriptor to accept L1CTL connections. */
+	void (*recv_cb)(struct l1ctl_sock_inst *vui, struct msgb *msg); /* Callback function called for incoming data from l2 app. */
+};
+
+/**
+ * @brief Initialise the l1ctl socket for communication with l2 apps.
+ */
+struct l1ctl_sock_inst *l1ctl_sock_init(
+                void *ctx,
+                void (*recv_cb)(struct l1ctl_sock_inst *lsi, struct msgb *msg),
+                char *path);
+
+/**
+ * @brief Transmit message to l2.
+ */
+int l1ctl_sock_write_msg(struct l1ctl_sock_inst *lsi, struct msgb *msg);
+
+/**
+ * @brief Destroy instance.
+ */
+void l1ctl_sock_destroy();
+
+/**
+ * @brief Disconnect current connection.
+ */
+void l1ctl_sock_disconnect(struct l1ctl_sock_inst *lsi);