isisd: Add SRv6 End SID Sub-TLV data structure

Add a data structure to represent an SRv6 End SID Sub-TLV as per RFC 9352 section sonic-net#7.2. Signed-off-by: Carmine Scarpitta <[email protected]>
marcosfsch · Sep 11, 2023 · 0caeda5 · 0caeda5
1 parent c40ab5f
commit 0caeda5
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/isisd/isis_tlvs.h b/isisd/isis_tlvs.h
@@ -16,6 +16,8 @@
 #include "affinitymap.h"
 
 
+#include "lib/srv6.h"
+
 DECLARE_MTYPE(ISIS_SUBTLV);
 
 struct lspdb_head;
@@ -193,6 +195,17 @@ struct isis_router_cap_fad {
 };
 #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 */
 struct isis_srv6_locator_tlv {
 	struct isis_srv6_locator_tlv *next;
@@ -374,6 +387,9 @@ struct isis_subtlvs {
 	struct prefix_ipv6 *source_prefix;
 	/* RFC 8667 section #2.4 */
 	struct isis_item_list prefix_sids;
+
+	/* RFC 9352 section #7.2 */
+	struct isis_item_list srv6_end_sids;
 };
 
 enum isis_tlv_type {