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[3/8] backport: add ethtool_convert_legacy_u32_to_link_mode()

Message ID 20170910221020.13067-4-hauke@hauke-m.de (mailing list archive)
State Accepted
Headers show

Commit Message

Hauke Mehrtens Sept. 10, 2017, 10:10 p.m. UTC
This function was added in kernel 4.7 in commit 6d62b4d5fac62 ("net:
ethtool: export conversion function between u32 and link mode") and is
used by mii_ethtool_get_link_ksettings() in the backport-4.10.c file.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
 backport/compat/backport-4.10.c | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/backport/compat/backport-4.10.c b/backport/compat/backport-4.10.c
index 4c8125fb..44e02dd7 100644
--- a/backport/compat/backport-4.10.c
+++ b/backport/compat/backport-4.10.c
@@ -36,6 +36,13 @@  static bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
 	*legacy_u32 = src[0];
 	return retval;
 }
+
+static void ethtool_convert_legacy_u32_to_link_mode(unsigned long *dst,
+						    u32 legacy_u32)
+{
+	bitmap_zero(dst, __ETHTOOL_LINK_MODE_MASK_NBITS);
+	dst[0] = legacy_u32;
+}
 #endif
 
 static u32 mii_get_an(struct mii_if_info *mii, u16 addr)