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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 a9101f5d16a..147d5eb99ef 100644
--- a/src/vlib/node_funcs.h
+++ b/src/vlib/node_funcs.h
@@ -1333,6 +1333,14 @@ vlib_frame_bitmap_or (uword *bmp, uword *bmp2)
bmp++[0] |= bmp2++[0];
}
+static_always_inline void
+vlib_frame_bitmap_and (uword *bmp, uword *bmp2)
+{
+ u32 n_left = VLIB_FRAME_BITMAP_N_UWORDS;
+ while (n_left--)
+ bmp++[0] &= bmp2++[0];
+}
+
static_always_inline u32
vlib_frame_bitmap_count_set_bits (uword *bmp)
{