netdev - [PATCH v3 net-next 01/16] linkmode: introduce linkmode

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Date:   Mon, 20 Jul 2020 21:08:00 +0300
From:   Alexander Lobakin <alobakin@...vell.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
CC:     Alexander Lobakin <alobakin@...vell.com>,
        Igor Russkikh <irusskikh@...vell.com>,
        Michal Kalderon <michal.kalderon@...vell.com>,
        "Ariel Elior" <aelior@...vell.com>,
        Denis Bolotin <denis.bolotin@...vell.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Andrew Lunn <andrew@...n.ch>,
        <GR-everest-linux-l2@...vell.com>,
        <QLogic-Storage-Upstream@...vell.com>, <netdev@...r.kernel.org>,
        <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v3 net-next 01/16] 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@...vell.com>
Signed-off-by: Igor Russkikh <irusskikh@...vell.com>
---
 include/linux/linkmode.h | 6 ++++++
 1 file changed, 6 insertions(+)

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)
 {
-- 
2.25.1