mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 19:29:37 +00:00
ethtool: Expand documentation of string set types
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
6a7a1081ce
commit
fe5df1b91e
1 changed files with 47 additions and 12 deletions
|
@ -496,31 +496,66 @@ struct ethtool_pauseparam {
|
|||
};
|
||||
|
||||
#define ETH_GSTRING_LEN 32
|
||||
|
||||
/**
|
||||
* enum ethtool_stringset - string set ID
|
||||
* @ETH_SS_TEST: Self-test result names, for use with %ETHTOOL_TEST
|
||||
* @ETH_SS_STATS: Statistic names, for use with %ETHTOOL_GSTATS
|
||||
* @ETH_SS_PRIV_FLAGS: Driver private flag names, for use with
|
||||
* %ETHTOOL_GPFLAGS and %ETHTOOL_SPFLAGS
|
||||
* @ETH_SS_NTUPLE_FILTERS: Previously used with %ETHTOOL_GRXNTUPLE;
|
||||
* now deprecated
|
||||
* @ETH_SS_FEATURES: Device feature names
|
||||
*/
|
||||
enum ethtool_stringset {
|
||||
ETH_SS_TEST = 0,
|
||||
ETH_SS_STATS,
|
||||
ETH_SS_PRIV_FLAGS,
|
||||
ETH_SS_NTUPLE_FILTERS, /* Do not use, GRXNTUPLE is now deprecated */
|
||||
ETH_SS_NTUPLE_FILTERS,
|
||||
ETH_SS_FEATURES,
|
||||
};
|
||||
|
||||
/* for passing string sets for data tagging */
|
||||
/**
|
||||
* struct ethtool_gstrings - string set for data tagging
|
||||
* @cmd: Command number = %ETHTOOL_GSTRINGS
|
||||
* @string_set: String set ID; one of &enum ethtool_stringset
|
||||
* @len: On return, the number of strings in the string set
|
||||
* @data: Buffer for strings. Each string is null-padded to a size of
|
||||
* %ETH_GSTRING_LEN.
|
||||
*
|
||||
* Users must use %ETHTOOL_GSSET_INFO to find the number of strings in
|
||||
* the string set. They must allocate a buffer of the appropriate
|
||||
* size immediately following this structure.
|
||||
*/
|
||||
struct ethtool_gstrings {
|
||||
__u32 cmd; /* ETHTOOL_GSTRINGS */
|
||||
__u32 string_set; /* string set id e.c. ETH_SS_TEST, etc*/
|
||||
__u32 len; /* number of strings in the string set */
|
||||
__u32 cmd;
|
||||
__u32 string_set;
|
||||
__u32 len;
|
||||
__u8 data[0];
|
||||
};
|
||||
|
||||
/**
|
||||
* struct ethtool_sset_info - string set information
|
||||
* @cmd: Command number = %ETHTOOL_GSSET_INFO
|
||||
* @sset_mask: On entry, a bitmask of string sets to query, with bits
|
||||
* numbered according to &enum ethtool_stringset. On return, a
|
||||
* bitmask of those string sets queried that are supported.
|
||||
* @data: Buffer for string set sizes. On return, this contains the
|
||||
* size of each string set that was queried and supported, in
|
||||
* order of ID.
|
||||
*
|
||||
* Example: The user passes in @sset_mask = 0x7 (sets 0, 1, 2) and on
|
||||
* return @sset_mask == 0x6 (sets 1, 2). Then @data[0] contains the
|
||||
* size of set 1 and @data[1] contains the size of set 2.
|
||||
*
|
||||
* Users must allocate a buffer of the appropriate size (4 * number of
|
||||
* sets queried) immediately following this structure.
|
||||
*/
|
||||
struct ethtool_sset_info {
|
||||
__u32 cmd; /* ETHTOOL_GSSET_INFO */
|
||||
__u32 cmd;
|
||||
__u32 reserved;
|
||||
__u64 sset_mask; /* input: each bit selects an sset to query */
|
||||
/* output: each bit a returned sset */
|
||||
__u32 data[0]; /* ETH_SS_xxx count, in order, based on bits
|
||||
in sset_mask. One bit implies one
|
||||
__u32, two bits implies two
|
||||
__u32's, etc. */
|
||||
__u64 sset_mask;
|
||||
__u32 data[0];
|
||||
};
|
||||
|
||||
/**
|
||||
|
|
Loading…
Reference in a new issue