diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/ethtool.h | 248 |
1 files changed, 209 insertions, 39 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index 20d197693d34..6a8253d3fea8 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -15,6 +15,7 @@ #include <linux/bitmap.h> #include <linux/compat.h> +#include <linux/if_ether.h> #include <linux/netlink.h> #include <uapi/linux/ethtool.h> @@ -106,11 +107,6 @@ enum ethtool_supported_ring_param { struct net_device; struct netlink_ext_ack; -/* Some generic methods drivers may use in their ethtool_ops */ -u32 ethtool_op_get_link(struct net_device *dev); -int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *eti); - - /* Link extended state and substate. */ struct ethtool_link_ext_state_info { enum ethtool_link_ext_state link_ext_state; @@ -311,48 +307,59 @@ static inline void ethtool_stats_init(u64 *stats, unsigned int n) * via a more targeted API. */ struct ethtool_eth_mac_stats { - u64 FramesTransmittedOK; - u64 SingleCollisionFrames; - u64 MultipleCollisionFrames; - u64 FramesReceivedOK; - u64 FrameCheckSequenceErrors; - u64 AlignmentErrors; - u64 OctetsTransmittedOK; - u64 FramesWithDeferredXmissions; - u64 LateCollisions; - u64 FramesAbortedDueToXSColls; - u64 FramesLostDueToIntMACXmitError; - u64 CarrierSenseErrors; - u64 OctetsReceivedOK; - u64 FramesLostDueToIntMACRcvError; - u64 MulticastFramesXmittedOK; - u64 BroadcastFramesXmittedOK; - u64 FramesWithExcessiveDeferral; - u64 MulticastFramesReceivedOK; - u64 BroadcastFramesReceivedOK; - u64 InRangeLengthErrors; - u64 OutOfRangeLengthField; - u64 FrameTooLongErrors; + enum ethtool_mac_stats_src src; + struct_group(stats, + u64 FramesTransmittedOK; + u64 SingleCollisionFrames; + u64 MultipleCollisionFrames; + u64 FramesReceivedOK; + u64 FrameCheckSequenceErrors; + u64 AlignmentErrors; + u64 OctetsTransmittedOK; + u64 FramesWithDeferredXmissions; + u64 LateCollisions; + u64 FramesAbortedDueToXSColls; + u64 FramesLostDueToIntMACXmitError; + u64 CarrierSenseErrors; + u64 OctetsReceivedOK; + u64 FramesLostDueToIntMACRcvError; + u64 MulticastFramesXmittedOK; + u64 BroadcastFramesXmittedOK; + u64 FramesWithExcessiveDeferral; + u64 MulticastFramesReceivedOK; + u64 BroadcastFramesReceivedOK; + u64 InRangeLengthErrors; + u64 OutOfRangeLengthField; + u64 FrameTooLongErrors; + ); }; /* Basic IEEE 802.3 PHY statistics (30.3.2.1.*), not otherwise exposed * via a more targeted API. */ struct ethtool_eth_phy_stats { - u64 SymbolErrorDuringCarrier; + enum ethtool_mac_stats_src src; + struct_group(stats, + u64 SymbolErrorDuringCarrier; + ); }; /* Basic IEEE 802.3 MAC Ctrl statistics (30.3.3.*), not otherwise exposed * via a more targeted API. */ struct ethtool_eth_ctrl_stats { - u64 MACControlFramesTransmitted; - u64 MACControlFramesReceived; - u64 UnsupportedOpcodesReceived; + enum ethtool_mac_stats_src src; + struct_group(stats, + u64 MACControlFramesTransmitted; + u64 MACControlFramesReceived; + u64 UnsupportedOpcodesReceived; + ); }; /** * struct ethtool_pause_stats - statistics for IEEE 802.3x pause frames + * @src: input field denoting whether stats should be queried from the eMAC or + * pMAC (if the MM layer is supported). To be ignored otherwise. * @tx_pause_frames: transmitted pause frame count. Reported to user space * as %ETHTOOL_A_PAUSE_STAT_TX_FRAMES. * @@ -366,8 +373,11 @@ struct ethtool_eth_ctrl_stats { * from the standard. */ struct ethtool_pause_stats { - u64 tx_pause_frames; - u64 rx_pause_frames; + enum ethtool_mac_stats_src src; + struct_group(stats, + u64 tx_pause_frames; + u64 rx_pause_frames; + ); }; #define ETHTOOL_MAX_LANES 8 @@ -417,6 +427,8 @@ struct ethtool_rmon_hist_range { /** * struct ethtool_rmon_stats - selected RMON (RFC 2819) statistics + * @src: input field denoting whether stats should be queried from the eMAC or + * pMAC (if the MM layer is supported). To be ignored otherwise. * @undersize_pkts: Equivalent to `etherStatsUndersizePkts` from the RFC. * @oversize_pkts: Equivalent to `etherStatsOversizePkts` from the RFC. * @fragments: Equivalent to `etherStatsFragments` from the RFC. @@ -432,13 +444,16 @@ struct ethtool_rmon_hist_range { * ranges is left to the driver. */ struct ethtool_rmon_stats { - u64 undersize_pkts; - u64 oversize_pkts; - u64 fragments; - u64 jabbers; + enum ethtool_mac_stats_src src; + struct_group(stats, + u64 undersize_pkts; + u64 oversize_pkts; + u64 fragments; + u64 jabbers; - u64 hist[ETHTOOL_RMON_HIST_MAX]; - u64 hist_tx[ETHTOOL_RMON_HIST_MAX]; + u64 hist[ETHTOOL_RMON_HIST_MAX]; + u64 hist_tx[ETHTOOL_RMON_HIST_MAX]; + ); }; #define ETH_MODULE_EEPROM_PAGE_LEN 128 @@ -478,6 +493,98 @@ struct ethtool_module_power_mode_params { }; /** + * struct ethtool_mm_state - 802.3 MAC merge layer state + * @verify_time: + * wait time between verification attempts in ms (according to clause + * 30.14.1.6 aMACMergeVerifyTime) + * @max_verify_time: + * maximum accepted value for the @verify_time variable in set requests + * @verify_status: + * state of the verification state machine of the MM layer (according to + * clause 30.14.1.2 aMACMergeStatusVerify) + * @tx_enabled: + * set if the MM layer is administratively enabled in the TX direction + * (according to clause 30.14.1.3 aMACMergeEnableTx) + * @tx_active: + * set if the MM layer is enabled in the TX direction, which makes FP + * possible (according to 30.14.1.5 aMACMergeStatusTx). This should be + * true if MM is enabled, and the verification status is either verified, + * or disabled. + * @pmac_enabled: + * set if the preemptible MAC is powered on and is able to receive + * preemptible packets and respond to verification frames. + * @verify_enabled: + * set if the Verify function of the MM layer (which sends SMD-V + * verification requests) is administratively enabled (regardless of + * whether it is currently in the ETHTOOL_MM_VERIFY_STATUS_DISABLED state + * or not), according to clause 30.14.1.4 aMACMergeVerifyDisableTx (but + * using positive rather than negative logic). The device should always + * respond to received SMD-V requests as long as @pmac_enabled is set. + * @tx_min_frag_size: + * the minimum size of non-final mPacket fragments that the link partner + * supports receiving, expressed in octets. Compared to the definition + * from clause 30.14.1.7 aMACMergeAddFragSize which is expressed in the + * range 0 to 3 (requiring a translation to the size in octets according + * to the formula 64 * (1 + addFragSize) - 4), a value in a continuous and + * unbounded range can be specified here. + * @rx_min_frag_size: + * the minimum size of non-final mPacket fragments that this device + * supports receiving, expressed in octets. + */ +struct ethtool_mm_state { + u32 verify_time; + u32 max_verify_time; + enum ethtool_mm_verify_status verify_status; + bool tx_enabled; + bool tx_active; + bool pmac_enabled; + bool verify_enabled; + u32 tx_min_frag_size; + u32 rx_min_frag_size; +}; + +/** + * struct ethtool_mm_cfg - 802.3 MAC merge layer configuration + * @verify_time: see struct ethtool_mm_state + * @verify_enabled: see struct ethtool_mm_state + * @tx_enabled: see struct ethtool_mm_state + * @pmac_enabled: see struct ethtool_mm_state + * @tx_min_frag_size: see struct ethtool_mm_state + */ +struct ethtool_mm_cfg { + u32 verify_time; + bool verify_enabled; + bool tx_enabled; + bool pmac_enabled; + u32 tx_min_frag_size; +}; + +/** + * struct ethtool_mm_stats - 802.3 MAC merge layer statistics + * @MACMergeFrameAssErrorCount: + * received MAC frames with reassembly errors + * @MACMergeFrameSmdErrorCount: + * received MAC frames/fragments rejected due to unknown or incorrect SMD + * @MACMergeFrameAssOkCount: + * received MAC frames that were successfully reassembled and passed up + * @MACMergeFragCountRx: + * number of additional correct SMD-C mPackets received due to preemption + * @MACMergeFragCountTx: + * number of additional mPackets sent due to preemption + * @MACMergeHoldCount: + * number of times the MM layer entered the HOLD state, which blocks + * transmission of preemptible traffic + */ +struct ethtool_mm_stats { + u64 MACMergeFrameAssErrorCount; + u64 MACMergeFrameSmdErrorCount; + u64 MACMergeFrameAssOkCount; + u64 MACMergeFragCountRx; + u64 MACMergeFragCountTx; + u64 MACMergeHoldCount; +}; + +/** * struct ethtool_ops - optional netdev operations * @cap_link_lanes_supported: indicates if the driver supports lanes * parameter. @@ -649,6 +756,9 @@ struct ethtool_module_power_mode_params { * plugged-in. * @set_module_power_mode: Set the power mode policy for the plug-in module * used by the network device. + * @get_mm: Query the 802.3 MAC Merge layer state. + * @set_mm: Set the 802.3 MAC Merge layer parameters. + * @get_mm_stats: Query the 802.3 MAC Merge layer statistics. * * All operations are optional (i.e. the function pointer may be set * to %NULL) and callers must take this into account. Callers must @@ -787,6 +897,10 @@ struct ethtool_ops { int (*set_module_power_mode)(struct net_device *dev, const struct ethtool_module_power_mode_params *params, struct netlink_ext_ack *extack); + int (*get_mm)(struct net_device *dev, struct ethtool_mm_state *state); + int (*set_mm)(struct net_device *dev, struct ethtool_mm_cfg *cfg, + struct netlink_ext_ack *extack); + void (*get_mm_stats)(struct net_device *dev, struct ethtool_mm_stats *stats); }; int ethtool_check_ops(const struct ethtool_ops *ops); @@ -873,6 +987,62 @@ ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, */ int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index); +/* Some generic methods drivers may use in their ethtool_ops */ +u32 ethtool_op_get_link(struct net_device *dev); +int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *eti); + +void ethtool_aggregate_mac_stats(struct net_device *dev, + struct ethtool_eth_mac_stats *mac_stats); +void ethtool_aggregate_phy_stats(struct net_device *dev, + struct ethtool_eth_phy_stats *phy_stats); +void ethtool_aggregate_ctrl_stats(struct net_device *dev, + struct ethtool_eth_ctrl_stats *ctrl_stats); +void ethtool_aggregate_pause_stats(struct net_device *dev, + struct ethtool_pause_stats *pause_stats); +void ethtool_aggregate_rmon_stats(struct net_device *dev, + struct ethtool_rmon_stats *rmon_stats); + +/** + * ethtool_mm_frag_size_add_to_min - Translate (standard) additional fragment + * size expressed as multiplier into (absolute) minimum fragment size + * value expressed in octets + * @val_add: Value of addFragSize multiplier + */ +static inline u32 ethtool_mm_frag_size_add_to_min(u32 val_add) +{ + return (ETH_ZLEN + ETH_FCS_LEN) * (1 + val_add) - ETH_FCS_LEN; +} + +/** + * ethtool_mm_frag_size_min_to_add - Translate (absolute) minimum fragment size + * expressed in octets into (standard) additional fragment size expressed + * as multiplier + * @val_min: Value of addFragSize variable in octets + * @val_add: Pointer where the standard addFragSize value is to be returned + * @extack: Netlink extended ack + * + * Translate a value in octets to one of 0, 1, 2, 3 according to the reverse + * application of the 802.3 formula 64 * (1 + addFragSize) - 4. To be called + * by drivers which do not support programming the minimum fragment size to a + * continuous range. Returns error on other fragment length values. + */ +static inline int ethtool_mm_frag_size_min_to_add(u32 val_min, u32 *val_add, + struct netlink_ext_ack *extack) +{ + u32 add_frag_size; + + for (add_frag_size = 0; add_frag_size < 4; add_frag_size++) { + if (ethtool_mm_frag_size_add_to_min(add_frag_size) == val_min) { + *val_add = add_frag_size; + return 0; + } + } + + NL_SET_ERR_MSG_MOD(extack, + "minFragSize required to be one of 60, 124, 188 or 252"); + return -EINVAL; +} + /** * ethtool_sprintf - Write formatted string to ethtool string data * @data: Pointer to start of string to update |