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-rw-r--r--include/linux/ethtool.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index a23b26eab479..48ad3b6a0150 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -86,6 +86,22 @@ struct net_device;
u32 ethtool_op_get_link(struct net_device *dev);
int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *eti);
+
+/**
+ * struct ethtool_link_ext_state_info - link extended state and substate.
+ */
+struct ethtool_link_ext_state_info {
+ enum ethtool_link_ext_state link_ext_state;
+ union {
+ enum ethtool_link_ext_substate_autoneg autoneg;
+ enum ethtool_link_ext_substate_link_training link_training;
+ enum ethtool_link_ext_substate_link_logical_mismatch link_logical_mismatch;
+ enum ethtool_link_ext_substate_bad_signal_integrity bad_signal_integrity;
+ enum ethtool_link_ext_substate_cable_issue cable_issue;
+ u8 __link_ext_substate;
+ };
+};
+
/**
* ethtool_rxfh_indir_default - get default value for RX flow hash indirection
* @index: Index in RX flow hash indirection table
@@ -245,6 +261,11 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
* @get_link: Report whether physical link is up. Will only be called if
* the netdev is up. Should usually be set to ethtool_op_get_link(),
* which uses netif_carrier_ok().
+ * @get_link_ext_state: Report link extended state. Should set link_ext_state and
+ * link_ext_substate (link_ext_substate of 0 means link_ext_substate is unknown,
+ * do not attach ext_substate attribute to netlink message). If link_ext_state
+ * and link_ext_substate are unknown, return -ENODATA. If not implemented,
+ * link_ext_state and link_ext_substate will not be sent to userspace.
* @get_eeprom: Read data from the device EEPROM.
* Should fill in the magic field. Don't need to check len for zero
* or wraparound. Fill in the data argument with the eeprom values
@@ -384,6 +405,8 @@ struct ethtool_ops {
void (*set_msglevel)(struct net_device *, u32);
int (*nway_reset)(struct net_device *);
u32 (*get_link)(struct net_device *);
+ int (*get_link_ext_state)(struct net_device *,
+ struct ethtool_link_ext_state_info *);
int (*get_eeprom_len)(struct net_device *);
int (*get_eeprom)(struct net_device *,
struct ethtool_eeprom *, u8 *);