ethtool: Expand documentation of struct ethtool_wol

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 2 deletions

diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index cc523cb53b07..15a42de87fec 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -186,12 +186,21 @@ struct ethtool_drvinfo {
 };
 
 #define SOPASS_MAX      6
-/* wake-on-lan settings */
+
+/**
+ * struct ethtool_wolinfo - Wake-On-Lan configuration
+ * @cmd: Command number = %ETHTOOL_GWOL or %ETHTOOL_SWOL
+ * @supported: Bitmask of %WAKE_* flags for supported Wake-On-Lan modes.
+ *      Read-only.
+ * @wolopts: Bitmask of %WAKE_* flags for enabled Wake-On-Lan modes.
+ * @sopass: SecureOn(tm) password; meaningful only if %WAKE_MAGICSECURE
+ *      is set in @wolopts.
+ */
 struct ethtool_wolinfo {
         __u32   cmd;
         __u32   supported;
         __u32   wolopts;
-        __u8    sopass[SOPASS_MAX]; /* SecureOn(tm) password */
+        __u8    sopass[SOPASS_MAX];
 };
 
 /* for passing single values */