diff options
Diffstat (limited to 'include/uapi/linux/ethtool.h')
| -rw-r--r-- | include/uapi/linux/ethtool.h | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index 44a0b675a6bc..4ca65b56084f 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -217,10 +217,14 @@ struct ethtool_value { __u32 data; }; +#define PFC_STORM_PREVENTION_AUTO 0xffff +#define PFC_STORM_PREVENTION_DISABLE 0 + enum tunable_id { ETHTOOL_ID_UNSPEC, ETHTOOL_RX_COPYBREAK, ETHTOOL_TX_COPYBREAK, + ETHTOOL_PFC_PREVENTION_TOUT, /* timeout in msecs */ /* * Add your fresh new tubale attribute above and remember to update * tunable_strings[] in net/core/ethtool.c @@ -914,12 +918,15 @@ static inline __u64 ethtool_get_flow_spec_ring_vf(__u64 ring_cookie) * @flow_type: Type of flow to be affected, e.g. %TCP_V4_FLOW * @data: Command-dependent value * @fs: Flow classification rule + * @rss_context: RSS context to be affected * @rule_cnt: Number of rules to be affected * @rule_locs: Array of used rule locations * * For %ETHTOOL_GRXFH and %ETHTOOL_SRXFH, @data is a bitmask indicating * the fields included in the flow hash, e.g. %RXH_IP_SRC. The following - * structure fields must not be used. + * structure fields must not be used, except that if @flow_type includes + * the %FLOW_RSS flag, then @rss_context determines which RSS context to + * act on. * * For %ETHTOOL_GRXRINGS, @data is set to the number of RX rings/queues * on return. @@ -931,7 +938,9 @@ static inline __u64 ethtool_get_flow_spec_ring_vf(__u64 ring_cookie) * set in @data then special location values should not be used. * * For %ETHTOOL_GRXCLSRULE, @fs.@location specifies the location of an - * existing rule on entry and @fs contains the rule on return. + * existing rule on entry and @fs contains the rule on return; if + * @fs.@flow_type includes the %FLOW_RSS flag, then @rss_context is + * filled with the RSS context ID associated with the rule. * * For %ETHTOOL_GRXCLSRLALL, @rule_cnt specifies the array size of the * user buffer for @rule_locs on entry. On return, @data is the size @@ -942,7 +951,11 @@ static inline __u64 ethtool_get_flow_spec_ring_vf(__u64 ring_cookie) * For %ETHTOOL_SRXCLSRLINS, @fs specifies the rule to add or update. * @fs.@location either specifies the location to use or is a special * location value with %RX_CLS_LOC_SPECIAL flag set. On return, - * @fs.@location is the actual rule location. + * @fs.@location is the actual rule location. If @fs.@flow_type + * includes the %FLOW_RSS flag, @rss_context is the RSS context ID to + * use for flow spreading traffic which matches this rule. The value + * from the rxfh indirection table will be added to @fs.@ring_cookie + * to choose which ring to deliver to. * * For %ETHTOOL_SRXCLSRLDEL, @fs.@location specifies the location of an * existing rule on entry. @@ -963,7 +976,10 @@ struct ethtool_rxnfc { __u32 flow_type; __u64 data; struct ethtool_rx_flow_spec fs; - __u32 rule_cnt; + union { + __u32 rule_cnt; + __u32 rss_context; + }; __u32 rule_locs[0]; }; @@ -990,7 +1006,11 @@ 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. + * @rss_context: RSS context identifier. Context 0 is the default for normal + * traffic; other contexts can be referenced as the destination for RX flow + * classification rules. %ETH_RXFH_CONTEXT_ALLOC is used with command + * %ETHTOOL_SRSSH to allocate a new RSS context; on return this field will + * contain the ID of the newly allocated context. * @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, @@ -1009,7 +1029,8 @@ struct ethtool_rxfh_indir { * 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. An hfunc of zero means that hash function setting is not requested. + * values (if @rss_context == 0) or that the RSS context should be deleted. + * An hfunc of zero means that hash function setting is not requested. */ struct ethtool_rxfh { __u32 cmd; @@ -1021,6 +1042,7 @@ struct ethtool_rxfh { __u32 rsvd32; __u32 rss_config[0]; }; +#define ETH_RXFH_CONTEXT_ALLOC 0xffffffff #define ETH_RXFH_INDIR_NO_CHANGE 0xffffffff /** @@ -1635,6 +1657,8 @@ static inline int ethtool_validate_duplex(__u8 duplex) /* Flag to enable additional fields in struct ethtool_rx_flow_spec */ #define FLOW_EXT 0x80000000 #define FLOW_MAC_EXT 0x40000000 +/* Flag to enable RSS spreading of traffic matching rule (nfc only) */ +#define FLOW_RSS 0x20000000 /* L3-L4 network traffic flow hash options */ #define RXH_L2DA (1 << 1) |