diff options
Diffstat (limited to 'include/uapi/linux/ethtool.h')
| -rw-r--r-- | include/uapi/linux/ethtool.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index fd161e91b6d7..e3c7a719c76b 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -847,6 +847,38 @@ struct ethtool_rxfh_indir { }; /** + * struct ethtool_rxfh - command to get/set RX flow hash indir or/and hash key. + * @cmd: Specific command number - %ETHTOOL_GRSSH or %ETHTOOL_SRSSH + * @rss_context: RSS context identifier. + * @indir_size: On entry, the array size of the user buffer for the + * indirection table, which may be zero, or (for %ETHTOOL_SRSSH), + * %ETH_RXFH_INDIR_NO_CHANGE. On return from %ETHTOOL_GRSSH, + * the array size of the hardware indirection table. + * @key_size: On entry, the array size of the user buffer for the hash key, + * which may be zero. On return from %ETHTOOL_GRSSH, the size of the + * hardware hash key. + * @rsvd: Reserved for future extensions. + * @rss_config: RX ring/queue index for each hash value i.e., indirection table + * of @indir_size __u32 elements, followed by hash key of @key_size + * bytes. + * + * For %ETHTOOL_GRSSH, a @indir_size and key_size of zero means that only the + * size should be returned. For %ETHTOOL_SRSSH, an @indir_size of + * %ETH_RXFH_INDIR_NO_CHANGE means that indir table setting is not requested + * and a @indir_size of zero means the indir table should be reset to default + * values. + */ +struct ethtool_rxfh { + __u32 cmd; + __u32 rss_context; + __u32 indir_size; + __u32 key_size; + __u32 rsvd[2]; + __u32 rss_config[0]; +}; +#define ETH_RXFH_INDIR_NO_CHANGE 0xffffffff + +/** * struct ethtool_rx_ntuple_flow_spec - specification for RX flow filter * @flow_type: Type of match to perform, e.g. %TCP_V4_FLOW * @h_u: Flow field values to match (dependent on @flow_type) @@ -1118,6 +1150,9 @@ enum ethtool_sfeatures_retval_bits { #define ETHTOOL_GEEE 0x00000044 /* Get EEE settings */ #define ETHTOOL_SEEE 0x00000045 /* Set EEE settings */ +#define ETHTOOL_GRSSH 0x00000046 /* Get RX flow hash configuration */ +#define ETHTOOL_SRSSH 0x00000047 /* Set RX flow hash configuration */ + /* compatibility with older code */ #define SPARC_ETH_GSET ETHTOOL_GSET #define SPARC_ETH_SSET ETHTOOL_SSET |