zebra, lib: fix the ZEBRA_INTERFACE_VRF_UPDATE zapi message

[mirror_frr.git] / lib / nexthop.h

diff --git a/lib/nexthop.h b/lib/nexthop.h
index b502f293bc478cb911e027d7222832a20584f3ce..e4af405d5fa23aff0df25d3b09c7716e4e636296 100644 (file)
--- a/lib/nexthop.h
+++ b/lib/nexthop.h
@@ -51,9 +51,10 @@ enum blackhole_type {
 };
 
 /* IPV[46] -> IPV[46]_IFINDEX */
-#define NEXTHOP_FIRSTHOPTYPE(type) \
-       ((type) == NEXTHOP_TYPE_IFINDEX || (type) == NEXTHOP_TYPE_BLACKHOLE) \
-               ? (type) : ((type) | 1)
+#define NEXTHOP_FIRSTHOPTYPE(type)                                             \
+       ((type) == NEXTHOP_TYPE_IFINDEX || (type) == NEXTHOP_TYPE_BLACKHOLE)   \
+               ? (type)                                                       \
+               : ((type) | 1)
 
 /* Nexthop structure. */
 struct nexthop {
@@ -70,7 +71,7 @@ struct nexthop {
 
        enum nexthop_types_t type;
 
-       u_char flags;
+       uint8_t flags;
 #define NEXTHOP_FLAG_ACTIVE     (1 << 0) /* This nexthop is alive. */
 #define NEXTHOP_FLAG_FIB        (1 << 1) /* FIB nexthop. */
 #define NEXTHOP_FLAG_RECURSIVE  (1 << 2) /* Recursive nexthop. */
@@ -79,9 +80,9 @@ struct nexthop {
 #define NEXTHOP_FLAG_FILTERED   (1 << 5) /* rmap filtered, used by static only */
 #define NEXTHOP_FLAG_DUPLICATE  (1 << 6) /* nexthop duplicates another active one */
 #define NEXTHOP_FLAG_EVPN_RVTEP (1 << 7) /* EVPN remote vtep nexthop */
-#define NEXTHOP_IS_ACTIVE(flags) \
-       (CHECK_FLAG(flags, NEXTHOP_FLAG_ACTIVE) \
-               && !CHECK_FLAG(flags, NEXTHOP_FLAG_DUPLICATE))
+#define NEXTHOP_IS_ACTIVE(flags)                                               \
+       (CHECK_FLAG(flags, NEXTHOP_FLAG_ACTIVE)                                \
+        && !CHECK_FLAG(flags, NEXTHOP_FLAG_DUPLICATE))
 
        /* Nexthop address */
        union {
@@ -108,38 +109,41 @@ struct nexthop {
        struct mpls_label_stack *nh_label;
 };
 
-/* The following for loop allows to iterate over the nexthop
- * structure of routes.
- *
- * head:      The pointer to the first nexthop in the chain.
- *
- * nexthop:   The pointer to the current nexthop, either in the
- *            top-level chain or in a resolved chain.
- */
-#define ALL_NEXTHOPS(head, nexthop)                                            \
-       (nexthop) = (head);                                                    \
-       (nexthop);                                                             \
-       (nexthop) = nexthop_next(nexthop)
-
 struct nexthop *nexthop_new(void);
-void nexthop_add(struct nexthop **target, struct nexthop *nexthop);
 
-void copy_nexthops(struct nexthop **tnh, struct nexthop *nh,
-                  struct nexthop *rparent);
 void nexthop_free(struct nexthop *nexthop);
 void nexthops_free(struct nexthop *nexthop);
 
-void nexthop_add_labels(struct nexthop *, enum lsp_types_t, u_int8_t,
+void nexthop_add_labels(struct nexthop *, enum lsp_types_t, uint8_t,
                        mpls_label_t *);
 void nexthop_del_labels(struct nexthop *);
 
+/*
+ * Hash a nexthop. Suitable for use with hash tables.
+ *
+ * This function uses the following values when computing the hash:
+ * - vrf_id
+ * - ifindex
+ * - type
+ * - gate
+ *
+ * nexthop
+ *    The nexthop to hash
+ *
+ * Returns:
+ *    32-bit hash of nexthop
+ */
+uint32_t nexthop_hash(struct nexthop *nexthop);
+
+extern bool nexthop_same(const struct nexthop *nh1, const struct nexthop *nh2);
+
 extern const char *nexthop_type_to_str(enum nexthop_types_t nh_type);
 extern int nexthop_same_no_recurse(const struct nexthop *next1,
                                   const struct nexthop *next2);
 extern int nexthop_labels_match(struct nexthop *nh1, struct nexthop *nh2);
-extern int nexthop_same_firsthop (struct nexthop *next1, struct nexthop *next2);
+extern int nexthop_same_firsthop(struct nexthop *next1, struct nexthop *next2);
 
-extern const char *nexthop2str(struct nexthop *nexthop, char *str, int size);
+extern const char *nexthop2str(const struct nexthop *nexthop, char *str, int size);
 extern struct nexthop *nexthop_next(struct nexthop *nexthop);
 extern unsigned int nexthop_level(struct nexthop *nexthop);
 #endif /*_LIB_NEXTHOP_H */