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Diffstat (limited to 'src/vlib/node_funcs.h')
| -rw-r--r-- | src/vlib/node_funcs.h | 8 |
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) { |