1 files changed, 157 insertions, 0 deletions
diff --git a/bfdd/bfdctl.h b/bfdd/bfdctl.h
new file mode 100644
index 0000000..f1f8185
--- /dev/null
+++ b/bfdd/bfdctl.h
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*********************************************************************
+ * Copyright 2017-2018 Network Device Education Foundation, Inc. ("NetDEF")
+ *
+ * bfdctl.h: all BFDd control socket protocol definitions.
+ *
+ * Authors
+ * -------
+ * Rafael Zalamena <rzalamena@opensourcerouting.org>
+ */
+
+#ifndef _BFDCTRL_H_
+#define _BFDCTRL_H_
+
+#include <netinet/in.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+
+/*
+ * Auxiliary definitions
+ */
+struct sockaddr_any {
+	union {
+		struct sockaddr_in sa_sin;
+		struct sockaddr_in6 sa_sin6;
+	};
+};
+
+#ifndef MAXNAMELEN
+#define MAXNAMELEN 32
+#endif
+
+#define BPC_DEF_DETECTMULTIPLIER 3
+#define BPC_DEF_RECEIVEINTERVAL 300  /* milliseconds */
+#define BPC_DEF_TRANSMITINTERVAL 300 /* milliseconds */
+#define BPC_DEF_ECHORECEIVEINTERVAL 50 /* milliseconds */
+#define BPC_DEF_ECHOTRANSMITINTERVAL 50 /* milliseconds */
+
+/* Peer status */
+enum bfd_peer_status {
+	BPS_SHUTDOWN = 0, /* == PTM_BFD_ADM_DOWN, "adm-down" */
+	BPS_DOWN = 1,     /* == PTM_BFD_DOWN, "down" */
+	BPS_INIT = 2,     /* == PTM_BFD_INIT, "init" */
+	BPS_UP = 3,       /* == PTM_BFD_UP, "up" */
+};
+
+struct bfd_peer_cfg {
+	bool bpc_mhop;
+	bool bpc_ipv4;
+	struct sockaddr_any bpc_peer;
+	struct sockaddr_any bpc_local;
+
+	bool bpc_has_label;
+	char bpc_label[MAXNAMELEN];
+
+	bool bpc_has_localif;
+	char bpc_localif[MAXNAMELEN + 1];
+
+	bool bpc_has_vrfname;
+	char bpc_vrfname[MAXNAMELEN + 1];
+
+	bool bpc_has_detectmultiplier;
+	uint8_t bpc_detectmultiplier;
+
+	bool bpc_has_recvinterval;
+	uint64_t bpc_recvinterval;
+
+	bool bpc_has_txinterval;
+	uint64_t bpc_txinterval;
+
+	bool bpc_has_echorecvinterval;
+	uint64_t bpc_echorecvinterval;
+
+	bool bpc_has_echotxinterval;
+	uint64_t bpc_echotxinterval;
+
+	bool bpc_has_minimum_ttl;
+	uint8_t bpc_minimum_ttl;
+
+	bool bpc_echo;
+	bool bpc_createonly;
+	bool bpc_shutdown;
+
+	bool bpc_cbit;
+	bool bpc_passive;
+
+	bool bpc_has_profile;
+	char bpc_profile[64];
+
+	/* Status information */
+	enum bfd_peer_status bpc_bps;
+	uint32_t bpc_id;
+	uint32_t bpc_remoteid;
+	uint8_t bpc_diag;
+	uint8_t bpc_remotediag;
+	uint8_t bpc_remote_detectmultiplier;
+	uint64_t bpc_remote_recvinterval;
+	uint64_t bpc_remote_txinterval;
+	uint64_t bpc_remote_echointerval;
+	uint64_t bpc_lastevent;
+};
+
+
+/*
+ * Protocol definitions
+ */
+enum bc_msg_version {
+	BMV_VERSION_1 = 1,
+};
+
+enum bc_msg_type {
+	BMT_RESPONSE = 1,
+	BMT_REQUEST_ADD = 2,
+	BMT_REQUEST_DEL = 3,
+	BMT_NOTIFY = 4,
+	BMT_NOTIFY_ADD = 5,
+	BMT_NOTIFY_DEL = 6,
+};
+
+/* Notify flags to use with bcm_notify. */
+#define BCM_NOTIFY_ALL ((uint64_t)-1)
+#define BCM_NOTIFY_PEER_STATE (1ULL << 0)
+#define BCM_NOTIFY_CONFIG (1ULL << 1)
+#define BCM_NOTIFY_NONE 0
+
+/* Response 'status' definitions. */
+#define BCM_RESPONSE_OK "ok"
+#define BCM_RESPONSE_ERROR "error"
+
+/* Notify operation. */
+#define BCM_NOTIFY_PEER_STATUS "status"
+#define BCM_NOTIFY_CONFIG_ADD "add"
+#define BCM_NOTIFY_CONFIG_DELETE "delete"
+#define BCM_NOTIFY_CONFIG_UPDATE "update"
+
+/* Notification special ID. */
+#define BCM_NOTIFY_ID 0
+
+struct bfd_control_msg {
+	/* Total length without the header. */
+	uint32_t bcm_length;
+	/*
+	 * Message request/response id.
+	 * All requests will have a correspondent response with the
+	 * same id.
+	 */
+	uint16_t bcm_id;
+	/* Message type. */
+	uint8_t bcm_type;
+	/* Message version. */
+	uint8_t bcm_ver;
+	/* Message payload. */
+	uint8_t bcm_data[0];
+};
+
+#endif