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-rw-r--r--src/vnet/l2/l2_input.h16
1 files changed, 10 insertions, 6 deletions
diff --git a/src/vnet/l2/l2_input.h b/src/vnet/l2/l2_input.h
index c1b669b4082..244ef445ca8 100644
--- a/src/vnet/l2/l2_input.h
+++ b/src/vnet/l2/l2_input.h
@@ -124,22 +124,26 @@ typedef enum
#define _(sym,str) L2INPUT_FEAT_##sym##_BIT,
foreach_l2input_feat
#undef _
- L2INPUT_N_FEAT,
- L2INPUT_VALID_MASK =
-#define _(sym,str) L2INPUT_FEAT_##sym##_BIT |
- foreach_l2input_feat
-#undef _
- 0,
+ L2INPUT_N_FEAT
} l2input_feat_t;
+STATIC_ASSERT (L2INPUT_N_FEAT <= 32, "too many l2 input features");
+
/* Feature bit masks */
typedef enum
{
#define _(sym,str) L2INPUT_FEAT_##sym = (1<<L2INPUT_FEAT_##sym##_BIT),
foreach_l2input_feat
#undef _
+ L2INPUT_VALID_MASK =
+#define _(sym,str) L2INPUT_FEAT_##sym |
+ foreach_l2input_feat
+#undef _
+ 0
} l2input_feat_masks_t;
+STATIC_ASSERT ((u64) L2INPUT_VALID_MASK == (1ull << L2INPUT_N_FEAT) - 1, "");
+
/** Return an array of strings containing graph node names of each feature */
char **l2input_get_feat_names (void);