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ethtool: Expand documentation of struct ethtool_stats
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 13 additions and 3 deletions
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@ -597,10 +597,20 @@ struct ethtool_test {
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__u64 data[0];
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};
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/* for dumping NIC-specific statistics */
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/**
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* struct ethtool_stats - device-specific statistics
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* @cmd: Command number = %ETHTOOL_GSTATS
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* @n_stats: On return, the number of statistics
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* @data: Array of statistics
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*
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* Users must use %ETHTOOL_GSSET_INFO or %ETHTOOL_GDRVINFO to find the
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* number of statistics that will be returned. They must allocate a
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* buffer of the appropriate size (8 * number of statistics)
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* immediately following this structure.
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*/
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struct ethtool_stats {
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__u32 cmd; /* ETHTOOL_GSTATS */
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__u32 n_stats; /* number of u64's being returned */
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__u32 cmd;
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__u32 n_stats;
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__u64 data[0];
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};
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