Merge pull request #13649 from donaldsharp/unlock_the_node_or_else

[mirror_frr.git] / lib / mlag.h

diff --git a/lib/mlag.h b/lib/mlag.h
index 2b904d44f463c31a267c77c2471e8e1b6c14486d..3aef0d77a8f47ab7d9200cef2f95b5d6d10a14aa 100644 (file)
--- a/lib/mlag.h
+++ b/lib/mlag.h
@@ -1,23 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /* mlag header.
  * Copyright (C) 2018 Cumulus Networks, Inc.
  *                    Donald Sharp
- *
- * This file is part of FRR.
- *
- * FRR is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * FRR is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with FRR; see the file COPYING.  If not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
  */
 #ifndef __MLAG_H__
 #define __MLAG_H__
@@ -26,14 +10,119 @@
 extern "C" {
 #endif
 
+#include "lib/if.h"
+#include "lib/vrf.h"
+#include "lib/stream.h"
+
+#define MLAG_MSG_NULL_PAYLOAD 0
+#define MLAG_MSG_NO_BATCH 1
+#define MLAG_BUF_LIMIT 2048
+
 enum mlag_role {
        MLAG_ROLE_NONE,
        MLAG_ROLE_PRIMARY,
        MLAG_ROLE_SECONDARY
 };
 
-extern char *mlag_role2str(enum mlag_role role, char *buf, size_t size);
+enum mlag_state {
+       MLAG_STATE_DOWN,
+       MLAG_STATE_RUNNING,
+};
+
+enum mlag_frr_state {
+       MLAG_FRR_STATE_NONE,
+       MLAG_FRR_STATE_DOWN,
+       MLAG_FRR_STATE_UP,
+};
+
+enum mlag_owner {
+       MLAG_OWNER_NONE,
+       MLAG_OWNER_INTERFACE,
+       MLAG_OWNER_VXLAN,
+};
+
+/*
+ * This message definition should match mlag.proto
+ * Because message registration is based on this
+ */
+enum mlag_msg_type {
+       MLAG_MSG_NONE = 0,
+       MLAG_REGISTER = 1,
+       MLAG_DEREGISTER = 2,
+       MLAG_STATUS_UPDATE = 3,
+       MLAG_MROUTE_ADD = 4,
+       MLAG_MROUTE_DEL = 5,
+       MLAG_DUMP = 6,
+       MLAG_MROUTE_ADD_BULK = 7,
+       MLAG_MROUTE_DEL_BULK = 8,
+       MLAG_PIM_CFG_DUMP = 10,
+       MLAG_VXLAN_UPDATE = 11,
+       MLAG_PEER_FRR_STATUS = 12,
+};
+
+struct mlag_frr_status {
+       enum mlag_frr_state frr_state;
+};
 
+struct mlag_status {
+       char peerlink_rif[INTERFACE_NAMSIZ];
+       enum mlag_role my_role;
+       enum mlag_state peer_state;
+};
+
+#define MLAG_ROLE_STRSIZE 16
+
+struct mlag_vxlan {
+       uint32_t anycast_ip;
+       uint32_t local_ip;
+};
+
+struct mlag_mroute_add {
+       char vrf_name[VRF_NAMSIZ];
+       uint32_t source_ip;
+       uint32_t group_ip;
+       uint32_t cost_to_rp;
+       enum mlag_owner owner_id;
+       bool am_i_dr;
+       bool am_i_dual_active;
+       vrf_id_t vrf_id;
+       char intf_name[INTERFACE_NAMSIZ];
+};
+
+struct mlag_mroute_del {
+       char vrf_name[VRF_NAMSIZ];
+       uint32_t source_ip;
+       uint32_t group_ip;
+       enum mlag_owner owner_id;
+       vrf_id_t vrf_id;
+       char intf_name[INTERFACE_NAMSIZ];
+};
+
+struct mlag_msg {
+       enum mlag_msg_type msg_type;
+       uint16_t data_len;
+       uint16_t msg_cnt;
+       uint8_t data[0];
+} __attribute__((packed));
+
+
+extern char *mlag_role2str(enum mlag_role role, char *buf, size_t size);
+extern char *mlag_lib_msgid_to_str(enum mlag_msg_type msg_type, char *buf,
+                                  size_t size);
+extern int mlag_lib_decode_mlag_hdr(struct stream *s, struct mlag_msg *msg,
+                                   size_t *length);
+extern int mlag_lib_decode_mroute_add(struct stream *s,
+                                     struct mlag_mroute_add *msg,
+                                     size_t *length);
+extern int mlag_lib_decode_mroute_del(struct stream *s,
+                                     struct mlag_mroute_del *msg,
+                                     size_t *length);
+extern int mlag_lib_decode_mlag_status(struct stream *s,
+                                      struct mlag_status *msg);
+extern int mlag_lib_decode_vxlan_update(struct stream *s,
+                                       struct mlag_vxlan *msg);
+extern int mlag_lib_decode_frr_status(struct stream *s,
+                                     struct mlag_frr_status *msg);
 #ifdef __cplusplus
 }
 #endif