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-rw-r--r--src/vnet/dpo/load_balance.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/vnet/dpo/load_balance.h b/src/vnet/dpo/load_balance.h
index 5428e20e981..3605d82a207 100644
--- a/src/vnet/dpo/load_balance.h
+++ b/src/vnet/dpo/load_balance.h
@@ -50,6 +50,12 @@ typedef struct load_balance_main_t_
extern load_balance_main_t load_balance_main;
/**
+ * The maximum number of buckets that a load-balance object can have
+ * This must not overflow the lb_n_buckets field
+ */
+#define LB_MAX_BUCKETS 8192
+
+/**
* The number of buckets that a load-balance object can have and still
* fit in one cache-line
*/
@@ -176,6 +182,10 @@ typedef struct load_balance_t_ {
STATIC_ASSERT(sizeof(load_balance_t) <= CLIB_CACHE_LINE_BYTES,
"A load_balance object size exceeds one cacheline");
+STATIC_ASSERT (LB_MAX_BUCKETS <= CLIB_U16_MAX,
+ "Too many buckets for load_balance object");
+STATIC_ASSERT (LB_MAX_BUCKETS && !(LB_MAX_BUCKETS & (LB_MAX_BUCKETS - 1)),
+ "LB_MAX_BUCKETS must be a power of 2");
/**
* Flags controlling load-balance formatting/display