[mirror_frr.git] / bgpd / bgp_open.h

/* BGP open message handling
   Copyright (C) 1999 Kunihiro Ishiguro

This file is part of GNU Zebra.

GNU Zebra is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.

GNU Zebra is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Zebra; see the file COPYING.  If not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.  */

/* MP Capability information. */
struct capability_mp
{
  u_int16_t afi;
  u_char reserved;
  u_char safi;
};

/* BGP open message capability. */
struct capability
{
  u_char code;
  u_char length;
  struct capability_mp mpc;
};

struct graceful_restart_af
{
  u_int16_t afi;
  u_char safi;
  u_char flag;
};

/* Capability Code */
#define CAPABILITY_CODE_MP              1 /* Multiprotocol Extensions */
#define CAPABILITY_CODE_REFRESH         2 /* Route Refresh Capability */
#define CAPABILITY_CODE_ORF             3 /* Cooperative Route Filtering Capability */
#define CAPABILITY_CODE_RESTART        64 /* Graceful Restart Capability */
#define CAPABILITY_CODE_4BYTE_AS       65 /* 4-octet AS number Capability */
#define CAPABILITY_CODE_DYNAMIC        66 /* Dynamic Capability */
#define CAPABILITY_CODE_REFRESH_OLD   128 /* Route Refresh Capability(cisco) */
#define CAPABILITY_CODE_ORF_OLD       130 /* Cooperative Route Filtering Capability(cisco) */

/* Capability Length */
#define CAPABILITY_CODE_MP_LEN          4
#define CAPABILITY_CODE_REFRESH_LEN     0
#define CAPABILITY_CODE_DYNAMIC_LEN     0
#define CAPABILITY_CODE_RESTART_LEN     2 /* Receiving only case */

/* Cooperative Route Filtering Capability.  */

/* ORF Type */
#define ORF_TYPE_PREFIX                64 
#define ORF_TYPE_PREFIX_OLD           128

/* ORF Mode */
#define ORF_MODE_RECEIVE                1 
#define ORF_MODE_SEND                   2 
#define ORF_MODE_BOTH                   3 

/* Capability Message Action.  */
#define CAPABILITY_ACTION_SET           0
#define CAPABILITY_ACTION_UNSET         1

/* Graceful Restart */
#define RESTART_R_BIT              0x8000
#define RESTART_F_BIT              0x80

int bgp_open_option_parse (struct peer *, u_char, int *);
void bgp_open_capability (struct stream *, struct peer *);
void bgp_capability_vty_out (struct vty *, struct peer *);
Commit	Line	Data
718e3744	1	/* BGP open message handling
	2	Copyright (C) 1999 Kunihiro Ishiguro
	3
	4	This file is part of GNU Zebra.
	5
	6	GNU Zebra 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	GNU Zebra 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
	17	along with GNU Zebra; see the file COPYING. If not, write to the Free
	18	Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
	19	02111-1307, USA. */
	20
	21	/* MP Capability information. */
	22	struct capability_mp
	23	{
	24	u_int16_t afi;
	25	u_char reserved;
	26	u_char safi;
	27	};
	28
	29	/* BGP open message capability. */
	30	struct capability
	31	{
	32	u_char code;
	33	u_char length;
	34	struct capability_mp mpc;
	35	};
	36
538621f2	37	struct graceful_restart_af
	38	{
	39	u_int16_t afi;
	40	u_char safi;
	41	u_char flag;
	42	};
	43
	44	/* Capability Code */
	45	#define CAPABILITY_CODE_MP 1 /* Multiprotocol Extensions */
	46	#define CAPABILITY_CODE_REFRESH 2 /* Route Refresh Capability */
	47	#define CAPABILITY_CODE_ORF 3 /* Cooperative Route Filtering Capability */
	48	#define CAPABILITY_CODE_RESTART 64 /* Graceful Restart Capability */
	49	#define CAPABILITY_CODE_4BYTE_AS 65 /* 4-octet AS number Capability */
	50	#define CAPABILITY_CODE_DYNAMIC 66 /* Dynamic Capability */
	51	#define CAPABILITY_CODE_REFRESH_OLD 128 /* Route Refresh Capability(cisco) */
	52	#define CAPABILITY_CODE_ORF_OLD 130 /* Cooperative Route Filtering Capability(cisco) */
718e3744	53
538621f2	54	/* Capability Length */
538621f2	55	#define CAPABILITY_CODE_MP_LEN 4
718e3744	56	#define CAPABILITY_CODE_REFRESH_LEN 0
538621f2	57	#define CAPABILITY_CODE_DYNAMIC_LEN 0
538621f2	58	#define CAPABILITY_CODE_RESTART_LEN 2 /* Receiving only case */
718e3744	59
718e3744	60	/* Cooperative Route Filtering Capability. */
718e3744	61
538621f2	62	/* ORF Type */
718e3744	63	#define ORF_TYPE_PREFIX 64
	64	#define ORF_TYPE_PREFIX_OLD 128
	65
538621f2	66	/* ORF Mode */
718e3744	67	#define ORF_MODE_RECEIVE 1
	68	#define ORF_MODE_SEND 2
	69	#define ORF_MODE_BOTH 3
	70
718e3744	71	/* Capability Message Action. */
	72	#define CAPABILITY_ACTION_SET 0
	73	#define CAPABILITY_ACTION_UNSET 1
	74
538621f2	75	/* Graceful Restart */
	76	#define RESTART_R_BIT 0x8000
	77	#define RESTART_F_BIT 0x80
	78
718e3744	79	int bgp_open_option_parse (struct peer , u_char, int );
	80	void bgp_open_capability (struct stream , struct peer );
	81	void bgp_capability_vty_out (struct vty , struct peer );