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vlib: add vlib_frame_bitmap_is_bit_set

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Type: improvement
Change-Id: I2f3fab893a10b060f91b07ee17b8727d241830ea
Signed-off-by: Damjan Marion <dmarion@me.com>
This commit is contained in:
Damjan Marion
2022-09-08 18:59:03 +02:00
committed by Florin Coras
parent 993b6bee63
commit 51a7e44172
1 changed files with 8 additions and 0 deletions
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8
src/vlib/node_funcs.h
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@ -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)
{