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-rw-r--r--src/vlib/node_funcs.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/vlib/node_funcs.h b/src/vlib/node_funcs.h
index 86722705b66..45a36fef1be 100644
--- a/src/vlib/node_funcs.h
+++ b/src/vlib/node_funcs.h
@@ -1443,6 +1443,14 @@ vlib_frame_bitmap_count_set_bits (uword *bmp)
return count;
}
+static_always_inline uword
+vlib_frame_bitmap_is_bit_set (uword *bmp, uword bit_index)
+{
+ bmp += bit_index / uword_bits;
+ bit_index %= uword_bits;
+ return (bmp[0] >> bit_index) & 1;
+}
+
static_always_inline int
vlib_frame_bitmap_find_first_set (uword *bmp)
{