net: phy: Move linkmode helpers to somewhere public

phylink has some useful helpers to working with linkmode bitmaps.
Move them to there own header so other code can use them.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 67 insertions, 0 deletions

diff --git a/include/linux/linkmode.h b/include/linux/linkmode.h
new file mode 100644
index 000000000000..014fb86c7114
--- /dev/null
+++ b/include/linux/linkmode.h
@@ -0,0 +1,67 @@
+#ifndef __LINKMODE_H
+#define __LINKMODE_H
+
+#include <linux/bitmap.h>
+#include <linux/ethtool.h>
+#include <uapi/linux/ethtool.h>
+
+static inline void linkmode_zero(unsigned long *dst)
+{
+	bitmap_zero(dst, __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
+static inline void linkmode_copy(unsigned long *dst, const unsigned long *src)
+{
+	bitmap_copy(dst, src, __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
+static inline void linkmode_and(unsigned long *dst, const unsigned long *a,
+				const unsigned long *b)
+{
+	bitmap_and(dst, a, b, __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
+static inline void linkmode_or(unsigned long *dst, const unsigned long *a,
+				const unsigned long *b)
+{
+	bitmap_or(dst, a, b, __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
+static inline bool linkmode_empty(const unsigned long *src)
+{
+	return bitmap_empty(src, __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
+static inline int linkmode_andnot(unsigned long *dst, const unsigned long *src1,
+				  const unsigned long *src2)
+{
+	return bitmap_andnot(dst, src1, src2,  __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
+static inline void linkmode_set_bit(int nr, volatile unsigned long *addr)
+{
+	__set_bit(nr, addr);
+}
+
+static inline void linkmode_clear_bit(int nr, volatile unsigned long *addr)
+{
+	__clear_bit(nr, addr);
+}
+
+static inline void linkmode_change_bit(int nr, volatile unsigned long *addr)
+{
+	__change_bit(nr, addr);
+}
+
+static inline int linkmode_test_bit(int nr, volatile unsigned long *addr)
+{
+	return test_bit(nr, addr);
+}
+
+static inline int linkmode_equal(const unsigned long *src1,
+				 const unsigned long *src2)
+{
+	return bitmap_equal(src1, src2, __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
+#endif /* __LINKMODE_H */