1 files changed, 67 insertions, 3 deletions

diff --git a/lib/srv6.h b/lib/srv6.h
index 24c7ffc3a2..715fc3723b 100644
--- a/lib/srv6.h
+++ b/lib/srv6.h
@@ -21,10 +21,14 @@
 #define _FRR_SRV6_H
 
 #include <zebra.h>
+#include "prefix.h"
+#include "json.h"
+
 #include <arpa/inet.h>
 #include <netinet/in.h>
 
 #define SRV6_MAX_SIDS 16
+#define SRV6_LOCNAME_SIZE 256
 
 #ifdef __cplusplus
 extern "C" {
@@ -69,6 +73,59 @@ struct seg6local_context {
 	uint32_t table;
 };
 
+struct srv6_locator {
+	char name[SRV6_LOCNAME_SIZE];
+	struct prefix_ipv6 prefix;
+
+	/*
+	 * Bit length of SRv6 locator described in
+	 * draft-ietf-bess-srv6-services-05#section-3.2.1
+	 */
+	uint8_t block_bits_length;
+	uint8_t node_bits_length;
+	uint8_t function_bits_length;
+	uint8_t argument_bits_length;
+
+	int algonum;
+	uint64_t current;
+	bool status_up;
+	struct list *chunks;
+
+	QOBJ_FIELDS;
+};
+DECLARE_QOBJ_TYPE(srv6_locator);
+
+struct srv6_locator_chunk {
+	char locator_name[SRV6_LOCNAME_SIZE];
+	struct prefix_ipv6 prefix;
+
+	/*
+	 * Bit length of SRv6 locator described in
+	 * draft-ietf-bess-srv6-services-05#section-3.2.1
+	 */
+	uint8_t block_bits_length;
+	uint8_t node_bits_length;
+	uint8_t function_bits_length;
+	uint8_t argument_bits_length;
+
+	/*
+	 * For Zclient communication values
+	 */
+	uint8_t keep;
+	uint8_t proto;
+	uint16_t instance;
+	uint32_t session_id;
+};
+
+struct nexthop_srv6 {
+	/* SRv6 localsid info for Endpoint-behaviour */
+	enum seg6local_action_t seg6local_action;
+	struct seg6local_context seg6local_ctx;
+
+	/* SRv6 Headend-behaviour */
+	struct in6_addr seg6_segs;
+};
+
 static inline const char *seg6_mode2str(enum seg6_mode_t mode)
 {
 	switch (mode) {
@@ -119,13 +176,20 @@ static inline void *sid_copy(struct in6_addr *dst,
 const char *
 seg6local_action2str(uint32_t action);
 
-const char *
-seg6local_context2str(char *str, size_t size,
-		struct seg6local_context *ctx, uint32_t action);
+const char *seg6local_context2str(char *str, size_t size,
+				  const struct seg6local_context *ctx,
+				  uint32_t action);
 
 int snprintf_seg6_segs(char *str,
 		size_t size, const struct seg6_segs *segs);
 
+extern struct srv6_locator *srv6_locator_alloc(const char *name);
+extern struct srv6_locator_chunk *srv6_locator_chunk_alloc(void);
+extern void srv6_locator_free(struct srv6_locator *locator);
+extern void srv6_locator_chunk_free(struct srv6_locator_chunk *chunk);
+json_object *srv6_locator_chunk_json(const struct srv6_locator_chunk *chunk);
+json_object *srv6_locator_json(const struct srv6_locator *loc);
+
 #ifdef __cplusplus
 }
 #endif