From 51a7e44172512dab3ab70fce1426fd774a4edffe Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Thu, 8 Sep 2022 18:59:03 +0200 Subject: vlib: add vlib_frame_bitmap_is_bit_set Type: improvement Change-Id: I2f3fab893a10b060f91b07ee17b8727d241830ea Signed-off-by: Damjan Marion --- src/vlib/node_funcs.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/vlib') 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) { -- cgit 1.2.3-korg