X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fice%2Fbase%2Fice_bitops.h;h=f954a743649adb08fb491792aeb9f8ba14193dd7;hb=5ebb52ae425d16a0ac78258d47635905221cc373;hp=8352b5dd7a40acaa0cb5ccd57b7ac62ef4f69c4a;hpb=dd4a3cef556ace6cda56e757d0ae40ea4b747f9e;p=dpdk.git

diff --git a/drivers/net/ice/base/ice_bitops.h b/drivers/net/ice/base/ice_bitops.h
index 8352b5dd7a..f954a74364 100644
--- a/drivers/net/ice/base/ice_bitops.h
+++ b/drivers/net/ice/base/ice_bitops.h
@@ -346,6 +346,11 @@ static inline u16 ice_find_first_bit(const ice_bitmap_t *bitmap, u16 size)
 	return ice_find_next_bit(bitmap, size, 0);
 }
 
+#define ice_for_each_set_bit(_bitpos, _addr, _maxlen)	\
+	for ((_bitpos) = ice_find_first_bit((_addr), (_maxlen)); \
+	     (_bitpos) < (_maxlen); \
+	     (_bitpos) = ice_find_next_bit((_addr), (_maxlen), (_bitpos) + 1))
+
 /**
  * ice_is_any_bit_set - Return true of any bit in the bitmap is set
  * @bitmap: the bitmap to check
@@ -394,6 +399,29 @@ ice_bitmap_set(ice_bitmap_t *dst, u16 pos, u16 num_bits)
 		ice_set_bit(i, dst);
 }
 
+/**
+ * ice_bitmap_hweight - hamming weight of bitmap
+ * @bm: bitmap pointer
+ * @size: size of bitmap (in bits)
+ *
+ * This function determines the number of set bits in a bitmap.
+ * Note that this function assumes it is operating on a bitmap declared using
+ * ice_declare_bitmap.
+ */
+static inline int
+ice_bitmap_hweight(ice_bitmap_t *bm, u16 size)
+{
+	int count = 0;
+	u16 bit = 0;
+
+	while (size > (bit = ice_find_next_bit(bm, size, bit))) {
+		count++;
+		bit++;
+	}
+
+	return count;
+}
+
 /**
  * ice_cmp_bitmaps - compares two bitmaps.
  * @bmp1: the bitmap to compare