1 /* Zebra mlag header.
2 * Copyright (C) 2018 Cumulus Networks, Inc.
3 * Donald Sharp
4 *
5 * This file is part of FRR.
6 *
7 * FRR is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2, or (at your option) any
10 * later version.
11 *
12 * FRR is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with FRR; see the file COPYING. If not, write to the Free
19 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
20 * 02111-1307, USA.
21 */
22 #ifndef __ZEBRA_MLAG_H__
23 #define __ZEBRA_MLAG_H__
24
25 #include "mlag.h"
26 #include "zclient.h"
27 #include "zebra/zserv.h"
28
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32
33 #define ZEBRA_MLAG_BUF_LIMIT 32768
34 #define ZEBRA_MLAG_LEN_SIZE 4
35
36 DECLARE_HOOK(zebra_mlag_private_write_data,
37 (uint8_t *data, uint32_t len), (data, len))
38 DECLARE_HOOK(zebra_mlag_private_monitor_state, (), ())
39 DECLARE_HOOK(zebra_mlag_private_open_channel, (), ())
40 DECLARE_HOOK(zebra_mlag_private_close_channel, (), ())
41 DECLARE_HOOK(zebra_mlag_private_cleanup_data, (), ())
42
43 extern uint8_t mlag_wr_buffer[ZEBRA_MLAG_BUF_LIMIT];
44 extern uint8_t mlag_rd_buffer[ZEBRA_MLAG_BUF_LIMIT];
45 extern uint32_t mlag_rd_buf_offset;
46
zebra_mlag_reset_read_buffer(void)47 static inline void zebra_mlag_reset_read_buffer(void)
48 {
49 memset(mlag_wr_buffer, 0, ZEBRA_MLAG_BUF_LIMIT);
50 mlag_rd_buf_offset = 0;
51 }
52
53 enum zebra_mlag_state {
54 MLAG_UP = 1,
55 MLAG_DOWN = 2,
56 };
57
58 void zebra_mlag_init(void);
59 void zebra_mlag_terminate(void);
60 enum mlag_role zebra_mlag_get_role(void);
61 void zebra_mlag_client_register(ZAPI_HANDLER_ARGS);
62 void zebra_mlag_client_unregister(ZAPI_HANDLER_ARGS);
63 void zebra_mlag_forward_client_msg(ZAPI_HANDLER_ARGS);
64 void zebra_mlag_send_register(void);
65 void zebra_mlag_send_deregister(void);
66 void zebra_mlag_handle_process_state(enum zebra_mlag_state state);
67 void zebra_mlag_process_mlag_data(uint8_t *data, uint32_t len);
68
69 /*
70 * ProtoBuffer Api's
71 */
72 int zebra_mlag_protobuf_encode_client_data(struct stream *s,
73 uint32_t *msg_type);
74 int zebra_mlag_protobuf_decode_message(struct stream *s, uint8_t *data,
75 uint32_t len);
76 #ifdef __cplusplus
77 }
78 #endif
79
80 #endif
81