embedaddon/quagga/bgpd/bgp_attr.h - diff

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Diff for /embedaddon/quagga/bgpd/bgp_attr.h between versions 1.1.1.2 and 1.1.1.3

version 1.1.1.2, 2012/10/09 09:22:28	version 1.1.1.3, 2016/11/02 10:09:10
Line 47 Software Foundation, Inc., 59 Temple Place - Suite 330	Line 47 Software Foundation, Inc., 59 Temple Place - Suite 330
#define BGP_ATTR_MIN_LEN 3 /* Attribute flag, type length. */	#define BGP_ATTR_MIN_LEN 3 /* Attribute flag, type length. */
#define BGP_ATTR_DEFAULT_WEIGHT 32768	#define BGP_ATTR_DEFAULT_WEIGHT 32768

	struct bgp_attr_encap_subtlv {
	struct bgp_attr_encap_subtlv next; / for chaining */
	uint16_t type;
	uint16_t length;
	uint8_t value[1]; /* will be extended */
	};

/* Additional/uncommon BGP attributes.	/* Additional/uncommon BGP attributes.
* lazily allocated as and when a struct attr	* lazily allocated as and when a struct attr
* requires it.	* requires it.
Line 54 Software Foundation, Inc., 59 Temple Place - Suite 330	Line 61 Software Foundation, Inc., 59 Temple Place - Suite 330
struct attr_extra	struct attr_extra
{	{
/* Multi-Protocol Nexthop, AFI IPv6 */	/* Multi-Protocol Nexthop, AFI IPv6 */
#ifdef HAVE_IPV6
struct in6_addr mp_nexthop_global;	struct in6_addr mp_nexthop_global;
struct in6_addr mp_nexthop_local;	struct in6_addr mp_nexthop_local;
#endif /* HAVE_IPV6 */

/* Extended Communities attribute. */	/* Extended Communities attribute. */
struct ecommunity *ecommunity;	struct ecommunity *ecommunity;
Line 85 struct attr_extra	Line 90 struct attr_extra

/* MP Nexthop length */	/* MP Nexthop length */
u_char mp_nexthop_len;	u_char mp_nexthop_len;

	uint16_t encap_tunneltype; /* grr */
	struct bgp_attr_encap_subtlv encap_subtlvs; / rfc5512 */
};	};

/* BGP core attribute structure. */	/* BGP core attribute structure. */
Line 136 typedef enum {	Line 144 typedef enum {
BGP_ATTR_PARSE_PROCEED = 0,	BGP_ATTR_PARSE_PROCEED = 0,
BGP_ATTR_PARSE_ERROR = -1,	BGP_ATTR_PARSE_ERROR = -1,
BGP_ATTR_PARSE_WITHDRAW = -2,	BGP_ATTR_PARSE_WITHDRAW = -2,

	/* only used internally, send notify + convert to BGP_ATTR_PARSE_ERROR */
	BGP_ATTR_PARSE_ERROR_NOTIFYPLS = -3,
} bgp_attr_parse_ret_t;	} bgp_attr_parse_ret_t;

/* Prototypes. */	/* Prototypes. */
Line 144 extern void bgp_attr_finish (void);	Line 155 extern void bgp_attr_finish (void);
extern bgp_attr_parse_ret_t bgp_attr_parse (struct peer , struct attr ,	extern bgp_attr_parse_ret_t bgp_attr_parse (struct peer , struct attr ,
bgp_size_t, struct bgp_nlri *,	bgp_size_t, struct bgp_nlri *,
struct bgp_nlri *);	struct bgp_nlri *);
extern int bgp_attr_check (struct peer , struct attr );
extern struct attr_extra bgp_attr_extra_get (struct attr );	extern struct attr_extra bgp_attr_extra_get (struct attr );
extern void bgp_attr_extra_free (struct attr *);	extern void bgp_attr_extra_free (struct attr *);
extern void bgp_attr_dup (struct attr , struct attr );	extern void bgp_attr_dup (struct attr , struct attr );
Line 157 extern struct attr *bgp_attr_default_intern (u_char);	Line 167 extern struct attr *bgp_attr_default_intern (u_char);
extern struct attr bgp_attr_aggregate_intern (struct bgp , u_char,	extern struct attr bgp_attr_aggregate_intern (struct bgp , u_char,
struct aspath *,	struct aspath *,
struct community *, int as_set);	struct community *, int as_set);
extern bgp_size_t bgp_packet_attribute (struct bgp bgp, struct peer ,	extern bgp_size_t bgp_packet_attribute (struct bgp bgp, struct peer ,
struct stream , struct attr ,	struct stream , struct attr ,
struct prefix *, afi_t, safi_t,	struct prefix *, afi_t, safi_t,
struct peer , struct prefix_rd , u_char *);	struct peer , struct prefix_rd ,
extern bgp_size_t bgp_packet_withdraw (struct peer peer, struct stream s,	u_char *);
struct prefix *p, afi_t, safi_t,
struct prefix_rd , u_char );
extern void bgp_dump_routes_attr (struct stream , struct attr ,	extern void bgp_dump_routes_attr (struct stream , struct attr ,
struct prefix *);	struct prefix *);
extern int attrhash_cmp (const void , const void );	extern int attrhash_cmp (const void , const void );
Line 193 extern int bgp_mp_reach_parse (struct bgp_attr_parser_	Line 201 extern int bgp_mp_reach_parse (struct bgp_attr_parser_
struct bgp_nlri *);	struct bgp_nlri *);
extern int bgp_mp_unreach_parse (struct bgp_attr_parser_args *args,	extern int bgp_mp_unreach_parse (struct bgp_attr_parser_args *args,
struct bgp_nlri *);	struct bgp_nlri *);

	extern struct bgp_attr_encap_subtlv *
	encap_tlv_dup(struct bgp_attr_encap_subtlv *orig);

	extern void
	bgp_attr_flush_encap(struct attr *attr);

	/**
	* Set of functions to encode MP_REACH_NLRI and MP_UNREACH_NLRI attributes.
	* Typical call sequence is to call _start(), followed by multiple _prefix(),
	* one for each NLRI that needs to be encoded into the UPDATE message, and
	* finally the _end() function.
	*/
	extern size_t bgp_packet_mpattr_start(struct stream *s, afi_t afi, safi_t safi,
	struct attr *attr);
	extern void bgp_packet_mpattr_prefix(struct stream *s, afi_t afi, safi_t safi,
	struct prefix p, struct prefix_rd prd,
	u_char *tag);
	extern size_t bgp_packet_mpattr_prefix_size(afi_t afi, safi_t safi,
	struct prefix *p);
	extern void bgp_packet_mpattr_end(struct stream *s, size_t sizep);

	extern size_t bgp_packet_mpunreach_start (struct stream *s, afi_t afi,
	safi_t safi);
	extern void bgp_packet_mpunreach_prefix (struct stream s, struct prefix p,
	afi_t afi, safi_t safi, struct prefix_rd *prd,
	u_char *tag);
	extern void bgp_packet_mpunreach_end (struct stream *s, size_t attrlen_pnt);

#endif /* _QUAGGA_BGP_ATTR_H */	#endif /* _QUAGGA_BGP_ATTR_H */

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