bgpd/bgp_attr_evpn.h

   1 /* E-VPN attribute handling structure file
   2  * Copyright (C) 2016 6WIND
   3  *
   4  * This file is part of FRRouting.
   5  *
   6  * FRRouting is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * FRRouting is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; see the file COPYING; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef _QUAGGA_BGP_ATTR_EVPN_H
  22 #define _QUAGGA_BGP_ATTR_EVPN_H
  23
  24 #define MAX_ET 0xffffffff
  25
  26 struct attr;
  27
  28 union gw_addr {
  29         struct in_addr ipv4;
  30         struct in6_addr ipv6;
  31 };
  32
  33 struct bgp_route_evpn {
  34         union gw_addr gw_ip;
  35 };
  36
  37 extern bool str2esi(const char *str, esi_t *id);
  38 extern char *ecom_mac2str(char *ecom_mac);
  39
  40 extern void bgp_add_routermac_ecom(struct attr *attr,
  41                                    struct ethaddr *routermac);
  42 extern int bgp_build_evpn_prefix(int type, uint32_t eth_tag,
  43                                  struct prefix *dst);
  44 extern bool bgp_attr_rmac(struct attr *attr, struct ethaddr *rmac);
  45 extern uint32_t bgp_attr_mac_mobility_seqnum(struct attr *attr,
  46                                              uint8_t *sticky);
  47 extern uint8_t bgp_attr_default_gw(struct attr *attr);
  48
  49 extern void bgp_attr_evpn_na_flag(struct attr *attr, uint8_t *router_flag,
  50                 bool *proxy);
  51 extern uint16_t bgp_attr_df_pref_from_ec(struct attr *attr, uint8_t *alg);
  52
  53 extern bool is_zero_gw_ip(const union gw_addr *gw_ip, afi_t afi);
  54
  55 #endif /* _QUAGGA_BGP_ATTR_EVPN_H */