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isisd: Add SRv6 End SID Sub-TLV data structure

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Add a data structure to represent an SRv6 End SID Sub-TLV as per
RFC 9352 section #7.2.

Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>
This commit is contained in:
Carmine Scarpitta 2023-02-22 00:35:07 +01:00
parent c40ab5f2a8
commit 0caeda5a38
1 changed files with 16 additions and 0 deletions
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16
isisd/isis_tlvs.h
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@ -16,6 +16,8 @@
#include "affinitymap.h" #include "affinitymap.h"
#include "lib/srv6.h"
DECLARE_MTYPE(ISIS_SUBTLV); DECLARE_MTYPE(ISIS_SUBTLV);
struct lspdb_head; struct lspdb_head;
@ -193,6 +195,17 @@ struct isis_router_cap_fad {
}; };
#endif /* ifndef FABRICD */ #endif /* ifndef FABRICD */
/* SRv6 End SID Sub-TLV as per RFC 9352 section #7.2 */
struct isis_srv6_end_sid_subtlv {
struct isis_srv6_end_sid_subtlv *next;
uint8_t flags;
enum srv6_endpoint_behavior_codepoint behavior;
struct in6_addr sid;
struct isis_subsubtlvs *subsubtlvs;
};
/* RFC 9352 section 7.1 */ /* RFC 9352 section 7.1 */
struct isis_srv6_locator_tlv { struct isis_srv6_locator_tlv {
struct isis_srv6_locator_tlv *next; struct isis_srv6_locator_tlv *next;
@ -374,6 +387,9 @@ struct isis_subtlvs {
struct prefix_ipv6 *source_prefix; struct prefix_ipv6 *source_prefix;
/* RFC 8667 section #2.4 */ /* RFC 8667 section #2.4 */
struct isis_item_list prefix_sids; struct isis_item_list prefix_sids;
/* RFC 9352 section #7.2 */
struct isis_item_list srv6_end_sids;
}; };
enum isis_tlv_type { enum isis_tlv_type {