bgpd/bgp_attr_evpn.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /* E-VPN attribute handling structure file
   3  * Copyright (C) 2016 6WIND
   4  */
   5
   6 #ifndef _QUAGGA_BGP_ATTR_EVPN_H
   7 #define _QUAGGA_BGP_ATTR_EVPN_H
   8
   9 #define MAX_ET 0xffffffff
  10
  11 struct attr;
  12
  13 enum overlay_index_type {
  14         OVERLAY_INDEX_TYPE_NONE,
  15         OVERLAY_INDEX_GATEWAY_IP,
  16         OVERLAY_INDEX_ESI,
  17         OVERLAY_INDEX_MAC,
  18 };
  19
  20 /*
  21  * Structure to store ovrelay index for EVPN type-5 route
  22  * This structure stores ESI and Gateway IP overlay index.
  23  * MAC overlay index is stored in the RMAC attribute.
  24  */
  25 struct bgp_route_evpn {
  26         enum overlay_index_type type;
  27         esi_t eth_s_id;
  28         struct ipaddr gw_ip;
  29 };
  30
  31 extern bool str2esi(const char *str, esi_t *id);
  32 extern char *ecom_mac2str(char *ecom_mac);
  33
  34 extern void bgp_add_routermac_ecom(struct attr *attr,
  35                                    struct ethaddr *routermac);
  36 extern int bgp_build_evpn_prefix(int type, uint32_t eth_tag,
  37                                  struct prefix *dst);
  38 extern bool bgp_attr_rmac(struct attr *attr, struct ethaddr *rmac);
  39 extern uint32_t bgp_attr_mac_mobility_seqnum(struct attr *attr,
  40                                              uint8_t *sticky);
  41 extern uint8_t bgp_attr_default_gw(struct attr *attr);
  42
  43 extern void bgp_attr_evpn_na_flag(struct attr *attr, uint8_t *router_flag,
  44                 bool *proxy);
  45 extern uint16_t bgp_attr_df_pref_from_ec(struct attr *attr, uint8_t *alg);
  46
  47
  48 extern bool bgp_route_evpn_same(const struct bgp_route_evpn *e1,
  49                                 const struct bgp_route_evpn *e2);
  50 #endif /* _QUAGGA_BGP_ATTR_EVPN_H */