From: Alexander Lobakin <alobakin@marvell.com>
Date: Mon, 20 Jul 2020 18:08:00 +0000 (+0300)
Subject: linkmode: introduce linkmode_intersects()
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e812916d3278baf03aabf10044661fc3b2848823;p=people%2Fms%2Flinux.git

linkmode: introduce linkmode_intersects()

Add a new helper to find intersections between Ethtool link modes,
linkmode_intersects(), similar to the other linkmode helpers.

Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/linux/linkmode.h b/include/linux/linkmode.h
index c664c27a29a0..f8397f300fcd 100644
--- a/include/linux/linkmode.h
+++ b/include/linux/linkmode.h
@@ -82,6 +82,12 @@ static inline int linkmode_equal(const unsigned long *src1,
 	return bitmap_equal(src1, src2, __ETHTOOL_LINK_MODE_MASK_NBITS);
 }
 
+static inline int linkmode_intersects(const unsigned long *src1,
+				      const unsigned long *src2)
+{
+	return bitmap_intersects(src1, src2, __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
 static inline int linkmode_subset(const unsigned long *src1,
 				  const unsigned long *src2)
 {