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Commit 59091229 authored by Ben Hutchings's avatar Ben Hutchings Committed by David S. Miller
Browse files

ethtool: Expand documentation of struct ethtool_stats 



Signed-off-by: default avatarBen Hutchings <ben@decadent.org.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4e5a62db

include/uapi/linux/ethtool.h

+13 −3
Original line number Diff line number Diff line
@@ -597,10 +597,20 @@ struct ethtool_test { 
	__u64	data[0];

};



/* for dumping NIC-specific statistics */

/**

 * struct ethtool_stats - device-specific statistics

 * @cmd: Command number = %ETHTOOL_GSTATS

 * @n_stats: On return, the number of statistics

 * @data: Array of statistics

 *

 * Users must use %ETHTOOL_GSSET_INFO or %ETHTOOL_GDRVINFO to find the

 * number of statistics that will be returned.  They must allocate a

 * buffer of the appropriate size (8 * number of statistics)

 * immediately following this structure.

 */

struct ethtool_stats {

	__u32	cmd;		/* ETHTOOL_GSTATS */

	__u32	n_stats;	/* number of u64's being returned */

	__u32	cmd;

	__u32	n_stats;

	__u64	data[0];

};