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Bgp link state 20221228 #3

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Bgp link state 20221228 #3

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06d5c5c
lib: register bgp link-state afi/safi
louis-6wind Dec 27, 2022
13f8f2d
yang: add bgp link-state
louis-6wind Dec 27, 2022
185382e
bgpd: add bgp link-state configuration cli
louis-6wind Dec 27, 2022
44101af
bgp: Initial BGP Link State support
odd22 Mar 9, 2021
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387 changes: 385 additions & 2 deletions bgpd/bgp_attr.c
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11 changes: 11 additions & 0 deletions bgpd/bgp_attr.h
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Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,7 @@ struct bgp_attr_srv6_l3vpn {
uint8_t transposition_offset;
};


/* BGP core attribute structure. */
struct attr {
/* AS Path structure */
Expand All @@ -174,6 +175,10 @@ struct attr {
/* Path origin attribute */
uint8_t origin;

/* BGP Link-State attributes*/
struct mp_bgpls_nlri *mp_bgpls_nlri; /* BGP LS extension NLRI */
struct ls_bgpls *link_state_attr; /* BGP Link State attribute */

/* PMSI tunnel type (RFC 6514). */
enum pta_type pmsi_tnl_type;

Expand Down Expand Up @@ -390,6 +395,7 @@ extern void bgp_attr_finish(void);
extern enum bgp_attr_parse_ret
bgp_attr_parse(struct peer *peer, struct attr *attr, bgp_size_t size,
struct bgp_nlri *mp_update, struct bgp_nlri *mp_withdraw);
extern void bgp_attr_undup(struct attr *new, struct attr *old);
extern struct attr *bgp_attr_intern(struct attr *attr);
extern void bgp_attr_unintern_sub(struct attr *attr);
extern void bgp_attr_unintern(struct attr **pattr);
Expand Down Expand Up @@ -436,6 +442,11 @@ extern int bgp_mp_unreach_parse(struct bgp_attr_parser_args *args,
extern enum bgp_attr_parse_ret
bgp_attr_prefix_sid(struct bgp_attr_parser_args *args);

/* BGP-LS */
extern void bgp_put_link_state(struct stream *s, struct attr *attr);
extern int link_state_value(struct stream *s, struct peer *peer,
uint16_t l_type, uint16_t l_length);

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

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