u32 path_weight;
} load_balance_path_t;
+/**
+ * Flags controlling load-balance creation and modification
+ */
+typedef enum load_balance_attr_t_ {
+ LOAD_BALANCE_ATTR_USES_MAP = 0,
+ LOAD_BALANCE_ATTR_STICKY = 1,
+} load_balance_attr_t;
+
+#define LOAD_BALANCE_ATTR_NAMES { \
+ [LOAD_BALANCE_ATTR_USES_MAP] = "uses-map", \
+ [LOAD_BALANCE_ATTR_STICKY] = "sticky", \
+}
+
+#define FOR_EACH_LOAD_BALANCE_ATTR(_attr) \
+ for (_attr = 0; _attr <= LOAD_BALANCE_ATTR_STICKY; _attr++)
+
+typedef enum load_balance_flags_t_ {
+ LOAD_BALANCE_FLAG_NONE = 0,
+ LOAD_BALANCE_FLAG_USES_MAP = (1 << 0),
+ LOAD_BALANCE_FLAG_STICKY = (1 << 1),
+} __attribute__((packed)) load_balance_flags_t;
+
/**
* The FIB DPO provieds;
* - load-balancing over the next DPOs in the chain/graph
* - per-route counters
*/
typedef struct load_balance_t_ {
+ /**
+ * required for pool_get_aligned.
+ * memebers used in the switch path come first!
+ */
+ CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
+
/**
* number of buckets in the load-balance. always a power of 2.
*/
*/
dpo_proto_t lb_proto;
+ /**
+ * Flags concenring the LB's creation and modification
+ */
+ load_balance_flags_t lb_flags;
+
/**
* Flags from the load-balance's associated fib_entry_t
*/
LOAD_BALANCE_FORMAT_DETAIL = (1 << 0),
} load_balance_format_flags_t;
-/**
- * Flags controlling load-balance creation and modification
- */
-typedef enum load_balance_flags_t_ {
- LOAD_BALANCE_FLAG_NONE = 0,
- LOAD_BALANCE_FLAG_USES_MAP = (1 << 0),
-} load_balance_flags_t;
-
extern index_t load_balance_create(u32 num_buckets,
dpo_proto_t lb_proto,
flow_hash_config_t fhc);