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/* BGP Open State -- header
* Copyright (C) 2009 Chris Hall (GMCH), Highwayman
*
* 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.
*/
#ifndef _QUAGGA_BGP_OPEN_STATE_H
#define _QUAGGA_BGP_OPEN_STATE_H
#include "misc.h"
#include "bgpd/bgp.h"
#include "bgpd/bgp_common.h"
#include "lib/vector.h"
/*==============================================================================
* BGP Open State.
*
* This structure encapsulates all the information that may be sent/received
* in a BGP OPEN Message.
*
*/
typedef struct bgp_cap_unknown* bgp_cap_unknown ;
struct bgp_cap_unknown /* to capture unknown capability */
{
uint8_t code ;
bgp_size_t length ;
uint8_t value[] ;
} ;
typedef struct bgp_cap_mp* bgp_cap_mp ;
struct bgp_cap_mp
{
} ;
typedef struct bgp_cap_orf* bgp_cap_orf ;
struct bgp_cap_orf
{
bool known_orf_type ;
uint8_t type ;
bool send ;
bool recv ;
} ;
typedef struct bgp_cap_gr* bgp_cap_gr ;
struct bgp_cap_gr
{
bool has_preserved ;
} ;
typedef struct bgp_cap_afi_safi* bgp_cap_afi_safi ;
struct bgp_cap_afi_safi
{
bool known_afi_safi ;
iAFI_t afi ;
iSAFI_t safi ;
uint8_t cap_code ; /* eg BGP_CAN_MP_EXT */
union
{
struct bgp_cap_mp mp ;
struct bgp_cap_orf orf ;
struct bgp_cap_gr gr ;
} caps ;
} ;
struct bgp_open_state
{
as_t my_as ; /* generic ASN */
unsigned holdtime ; /* in seconds */
bgp_id_t bgp_id ; /* an IPv4 address -- *network order* */
bool can_capability ; /* false => don't do capabilities */
bool can_as4 ;
as2_t my_as2 ; /* AS2 from OPEN message */
qafx_set_t can_mp_ext ; /* will accept, may send these */
bgp_form_t can_r_refresh ; /* none/old/new/both */
bgp_form_t can_orf_prefix ; /* none/old/new/both */
qafx_set_t can_orf_prefix_send ; /* wish to send ORF Prefix-List */
qafx_set_t can_orf_prefix_recv ; /* will accept ORF Prefix-List */
bool can_dynamic ;
bool can_g_restart ; /* can do graceful restart */
qafx_set_t can_preserve ; /* can preserve forwarding for these */
qafx_set_t has_preserved ; /* has preserved forwarding for these */
bool has_restarted ; /* Restart State flag */
unsigned restart_time ; /* Restart Time in seconds */
vector_t unknowns ; /* list of bgp_cap_unknown */
vector_t afi_safi ; /* various afi/safi capabilities */
} ;
/*==============================================================================
*
*/
extern bgp_open_state
bgp_open_state_init_new(bgp_open_state state) ;
extern bgp_open_state
bgp_open_state_free(bgp_open_state state) ;
extern void
bgp_open_state_unset(bgp_open_state* state) ;
extern void
bgp_open_state_set_mov(bgp_open_state* p_dst, bgp_open_state* p_src) ;
extern void
bgp_open_state_unknown_add(bgp_open_state state, uint8_t code,
void* value, bgp_size_t length) ;
extern int
bgp_open_state_unknown_count(bgp_open_state state) ;
extern bgp_cap_unknown
bgp_open_state_unknown_cap(bgp_open_state state, unsigned index) ;
extern bgp_cap_afi_safi
bgp_open_state_afi_safi_add(bgp_open_state state, iAFI_t afi, iSAFI_t safi,
bool known, uint8_t cap_code) ;
extern int
bgp_open_state_afi_safi_count(bgp_open_state state) ;
extern bgp_cap_afi_safi
bgp_open_state_afi_safi_cap(bgp_open_state state, unsigned index) ;
extern bgp_open_state
bgp_peer_open_state_init_new(bgp_open_state state, bgp_peer peer);
extern void
bgp_peer_open_state_receive(bgp_peer peer);
#endif /* QUAGGA_BGP_OPEN_STATE_H */
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