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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>
zero-sugar-mainline-defconfig
Alexander Lobakin 2020-07-20 21:08:00 +03:00 committed by David S. Miller
parent cfd6920175
commit e812916d32
1 changed files with 6 additions and 0 deletions
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6
include/linux/linkmode.h
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@ -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)
{