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-rw-r--r--src/vnet/ethernet/mac_address.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/ethernet/mac_address.h b/src/vnet/ethernet/mac_address.h
index aa773c5c449..68feb3977f0 100644
--- a/src/vnet/ethernet/mac_address.h
+++ b/src/vnet/ethernet/mac_address.h
@@ -149,6 +149,12 @@ mac_address_set_zero (mac_address_t * mac)
mac->u.last_2 = 0;
}
+static_always_inline int
+mac_address_n_bits_set (const mac_address_t * a)
+{
+ return (count_set_bits (mac_address_as_u64 (a)));
+}
+
extern void mac_address_increment (mac_address_t * mac);
extern uword unformat_mac_address_t (unformat_input_t * input,
va_list * args);