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authorDamjan Marion <damarion@cisco.com>2022-09-08 18:59:03 +0200
committerFlorin Coras <florin.coras@gmail.com>2022-09-12 20:20:42 +0000
commit51a7e44172512dab3ab70fce1426fd774a4edffe (patch)
tree62f5f0aabf808627a6d13f5c379bbe7e40adbd3a /src
parent993b6bee63d4f455db0a6021c9659aad4545acf2 (diff)
vlib: add vlib_frame_bitmap_is_bit_set
Type: improvement Change-Id: I2f3fab893a10b060f91b07ee17b8727d241830ea Signed-off-by: Damjan Marion <dmarion@me.com>
Diffstat (limited to 'src')
-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)
{