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-rw-r--r--include/linux/ethtool.h265
1 files changed, 225 insertions, 40 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 9e0a76fc7de9..2792185dda22 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>
@@ -72,12 +73,14 @@ enum {
* @rx_buf_len: Current length of buffers on the rx ring.
* @tcp_data_split: Scatter packet headers and data to separate buffers
* @tx_push: The flag of tx push mode
+ * @rx_push: The flag of rx push mode
* @cqe_size: Size of TX/RX completion queue event
*/
struct kernel_ethtool_ringparam {
u32 rx_buf_len;
u8 tcp_data_split;
u8 tx_push;
+ u8 rx_push;
u32 cqe_size;
};
@@ -86,11 +89,13 @@ struct kernel_ethtool_ringparam {
* @ETHTOOL_RING_USE_RX_BUF_LEN: capture for setting rx_buf_len
* @ETHTOOL_RING_USE_CQE_SIZE: capture for setting cqe_size
* @ETHTOOL_RING_USE_TX_PUSH: capture for setting tx_push
+ * @ETHTOOL_RING_USE_RX_PUSH: capture for setting rx_push
*/
enum ethtool_supported_ring_param {
ETHTOOL_RING_USE_RX_BUF_LEN = BIT(0),
ETHTOOL_RING_USE_CQE_SIZE = BIT(1),
ETHTOOL_RING_USE_TX_PUSH = BIT(2),
+ ETHTOOL_RING_USE_RX_PUSH = BIT(3),
};
#define __ETH_RSS_HASH_BIT(bit) ((u32)1 << (bit))
@@ -106,11 +111,6 @@ 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;
@@ -217,6 +217,9 @@ __ethtool_get_link_ksettings(struct net_device *dev,
struct kernel_ethtool_coalesce {
u8 use_cqe_mode_tx;
u8 use_cqe_mode_rx;
+ u32 tx_aggr_max_bytes;
+ u32 tx_aggr_max_frames;
+ u32 tx_aggr_time_usecs;
};
/**
@@ -260,7 +263,10 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
#define ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL BIT(21)
#define ETHTOOL_COALESCE_USE_CQE_RX BIT(22)
#define ETHTOOL_COALESCE_USE_CQE_TX BIT(23)
-#define ETHTOOL_COALESCE_ALL_PARAMS GENMASK(23, 0)
+#define ETHTOOL_COALESCE_TX_AGGR_MAX_BYTES BIT(24)
+#define ETHTOOL_COALESCE_TX_AGGR_MAX_FRAMES BIT(25)
+#define ETHTOOL_COALESCE_TX_AGGR_TIME_USECS BIT(26)
+#define ETHTOOL_COALESCE_ALL_PARAMS GENMASK(26, 0)
#define ETHTOOL_COALESCE_USECS \
(ETHTOOL_COALESCE_RX_USECS | ETHTOOL_COALESCE_TX_USECS)
@@ -288,6 +294,10 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL)
#define ETHTOOL_COALESCE_USE_CQE \
(ETHTOOL_COALESCE_USE_CQE_RX | ETHTOOL_COALESCE_USE_CQE_TX)
+#define ETHTOOL_COALESCE_TX_AGGR \
+ (ETHTOOL_COALESCE_TX_AGGR_MAX_BYTES | \
+ ETHTOOL_COALESCE_TX_AGGR_MAX_FRAMES | \
+ ETHTOOL_COALESCE_TX_AGGR_TIME_USECS)
#define ETHTOOL_STAT_NOT_SET (~0ULL)
@@ -301,48 +311,59 @@ 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.
*
@@ -356,8 +377,11 @@ 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
@@ -407,6 +431,8 @@ 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.
@@ -422,13 +448,16 @@ 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
@@ -468,6 +497,98 @@ 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.
@@ -639,6 +760,9 @@ 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
@@ -777,6 +901,10 @@ 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);
@@ -802,12 +930,17 @@ int ethtool_virtdev_set_link_ksettings(struct net_device *dev,
struct phy_device;
struct phy_tdr_config;
+struct phy_plca_cfg;
+struct phy_plca_status;
/**
* struct ethtool_phy_ops - Optional PHY device options
* @get_sset_count: Get number of strings that @get_strings will write.
* @get_strings: Return a set of strings that describe the requested objects
* @get_stats: Return extended statistics about the PHY device.
+ * @get_plca_cfg: Return PLCA configuration.
+ * @set_plca_cfg: Set PLCA configuration.
+ * @get_plca_status: Get PLCA configuration.
* @start_cable_test: Start a cable test
* @start_cable_test_tdr: Start a Time Domain Reflectometry cable test
*
@@ -819,6 +952,13 @@ struct ethtool_phy_ops {
int (*get_strings)(struct phy_device *dev, u8 *data);
int (*get_stats)(struct phy_device *dev,
struct ethtool_stats *stats, u64 *data);
+ int (*get_plca_cfg)(struct phy_device *dev,
+ struct phy_plca_cfg *plca_cfg);
+ int (*set_plca_cfg)(struct phy_device *dev,
+ const struct phy_plca_cfg *plca_cfg,
+ struct netlink_ext_ack *extack);
+ int (*get_plca_status)(struct phy_device *dev,
+ struct phy_plca_status *plca_st);
int (*start_cable_test)(struct phy_device *phydev,
struct netlink_ext_ack *extack);
int (*start_cable_test_tdr)(struct phy_device *phydev,
@@ -851,6 +991,51 @@ 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);
+
+/**
+ * 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
generated by cgit (git 2.34.1) at 2024-05-28 21:45:54 +0000