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authorMark Brown <broonie@kernel.org>2017-11-28 16:19:52 +0000
committerMark Brown <broonie@kernel.org>2017-11-28 16:19:52 +0000
commit69830d3909849dee33b9a2de88ece3d59c75a1b8 (patch)
tree67e22ac989e782ddc104f186dee54d1675e76923 /net/core/ethtool.c
parentASoC: rk3399_gru_sound: Map BTN_0 to KEY_PLAYPAUSE (diff)
parentASoC: add snd_soc_disconnect_sync() (diff)
downloadlinux-dev-69830d3909849dee33b9a2de88ece3d59c75a1b8.tar.xz
linux-dev-69830d3909849dee33b9a2de88ece3d59c75a1b8.zip
Merge branch 'topic/disconnect' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-rcar
Diffstat (limited to 'net/core/ethtool.c')
-rw-r--r--net/core/ethtool.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 9a9a3d77e327..f8fcf450a36e 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -403,6 +403,22 @@ static int __ethtool_set_flags(struct net_device *dev, u32 data)
return 0;
}
+/* Given two link masks, AND them together and save the result in dst. */
+void ethtool_intersect_link_masks(struct ethtool_link_ksettings *dst,
+ struct ethtool_link_ksettings *src)
+{
+ unsigned int size = BITS_TO_LONGS(__ETHTOOL_LINK_MODE_MASK_NBITS);
+ unsigned int idx = 0;
+
+ for (; idx < size; idx++) {
+ dst->link_modes.supported[idx] &=
+ src->link_modes.supported[idx];
+ dst->link_modes.advertising[idx] &=
+ src->link_modes.advertising[idx];
+ }
+}
+EXPORT_SYMBOL(ethtool_intersect_link_masks);
+
void ethtool_convert_legacy_u32_to_link_mode(unsigned long *dst,
u32 legacy_u32)
{