zebra/zebra_mlag.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /* Zebra mlag header.
   3  * Copyright (C) 2018 Cumulus Networks, Inc.
   4  *                    Donald Sharp
   5  */
   6 #ifndef __ZEBRA_MLAG_H__
   7 #define __ZEBRA_MLAG_H__
   8
   9 #include "mlag.h"
  10 #include "zclient.h"
  11 #include "zebra/zserv.h"
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 #define ZEBRA_MLAG_BUF_LIMIT 32768
  18 #define ZEBRA_MLAG_LEN_SIZE 4
  19
  20 DECLARE_HOOK(zebra_mlag_private_write_data,
  21              (uint8_t *data, uint32_t len), (data, len));
  22 DECLARE_HOOK(zebra_mlag_private_monitor_state, (), ());
  23 DECLARE_HOOK(zebra_mlag_private_open_channel, (), ());
  24 DECLARE_HOOK(zebra_mlag_private_close_channel, (), ());
  25 DECLARE_HOOK(zebra_mlag_private_cleanup_data, (), ());
  26
  27 extern uint8_t mlag_wr_buffer[ZEBRA_MLAG_BUF_LIMIT];
  28 extern uint8_t mlag_rd_buffer[ZEBRA_MLAG_BUF_LIMIT];
  29
  30 static inline void zebra_mlag_reset_read_buffer(void)
  31 {
  32         memset(mlag_wr_buffer, 0, ZEBRA_MLAG_BUF_LIMIT);
  33 }
  34
  35 enum zebra_mlag_state {
  36         MLAG_UP = 1,
  37         MLAG_DOWN = 2,
  38 };
  39
  40 void zebra_mlag_init(void);
  41 void zebra_mlag_terminate(void);
  42 enum mlag_role zebra_mlag_get_role(void);
  43 void zebra_mlag_client_register(ZAPI_HANDLER_ARGS);
  44 void zebra_mlag_client_unregister(ZAPI_HANDLER_ARGS);
  45 void zebra_mlag_forward_client_msg(ZAPI_HANDLER_ARGS);
  46 void zebra_mlag_send_register(void);
  47 void zebra_mlag_send_deregister(void);
  48 void zebra_mlag_handle_process_state(enum zebra_mlag_state state);
  49 void zebra_mlag_process_mlag_data(uint8_t *data, uint32_t len);
  50
  51 /*
  52  * ProtoBuffer Api's
  53  */
  54 int zebra_mlag_protobuf_encode_client_data(struct stream *s,
  55                                            uint32_t *msg_type);
  56 int zebra_mlag_protobuf_decode_message(struct stream *s, uint8_t *data,
  57                                        uint32_t len);
  58 #ifdef __cplusplus
  59 }
  60 #endif
  61
  62 #endif