lib/pw.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /* Pseudowire definitions
   3  * Copyright (C) 2016 Volta Networks, Inc.
   4  */
   5
   6 #ifndef _FRR_PW_H
   7 #define _FRR_PW_H
   8
   9 #ifdef __cplusplus
  10 extern "C" {
  11 #endif
  12
  13 /* L2VPN name length. */
  14 #define L2VPN_NAME_LEN          32
  15
  16 /* Pseudowire type - LDP and BGP use the same values. */
  17 #define PW_TYPE_ETHERNET_TAGGED 0x0004  /* RFC 4446 */
  18 #define PW_TYPE_ETHERNET        0x0005  /* RFC 4446 */
  19 #define PW_TYPE_WILDCARD        0x7FFF  /* RFC 4863, RFC 6668 */
  20
  21 /* Pseudowire flags. */
  22 #define F_PSEUDOWIRE_CWORD      0x01
  23
  24 /* Pseudowire status TLV */
  25 #define PW_FORWARDING 0
  26 #define PW_NOT_FORWARDING (1 << 0)
  27 #define PW_LOCAL_RX_FAULT (1 << 1)
  28 #define PW_LOCAL_TX_FAULT (1 << 2)
  29 #define PW_PSN_RX_FAULT (1 << 3)
  30 #define PW_PSN_TX_FAULT (1 << 4)
  31
  32 /*
  33  * Protocol-specific information about the pseudowire.
  34  */
  35 union pw_protocol_fields {
  36         struct {
  37                 struct in_addr lsr_id;
  38                 uint32_t pwid;
  39                 char vpn_name[L2VPN_NAME_LEN];
  40         } ldp;
  41 };
  42
  43 #ifdef __cplusplus
  44 }
  45 #endif
  46
  47 #endif /* _FRR_PW_H */