@@ -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;
+ int __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 +261,10 @@ 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 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 +404,8 @@ 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 *);
@@ -579,6 +579,76 @@ struct ethtool_pauseparam {
__u32 tx_pause;
};
+/**
+ * enum ethtool_link_ext_state - link extended state
+ */
+enum ethtool_link_ext_state {
+ ETHTOOL_LINK_EXT_STATE_AUTONEG,
+ ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
+ ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
+ ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
+ ETHTOOL_LINK_EXT_STATE_NO_CABLE,
+ ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
+ ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE,
+ ETHTOOL_LINK_EXT_STATE_CALIBRATION_FAILURE,
+ ETHTOOL_LINK_EXT_STATE_POWER_BUDGET_EXCEEDED,
+ ETHTOOL_LINK_EXT_STATE_OVERHEAT,
+};
+
+/**
+ * enum ethtool_link_ext_substate_autoneg - more information in addition to
+ * ETHTOOL_LINK_EXT_STATE_AUTONEG.
+ */
+enum ethtool_link_ext_substate_autoneg {
+ ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED = 1,
+ ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED,
+ ETHTOOL_LINK_EXT_SUBSTATE_AN_NEXT_PAGE_EXCHANGE_FAILED,
+ ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED_FORCE_MODE,
+ ETHTOOL_LINK_EXT_SUBSTATE_AN_FEC_MISMATCH_DURING_OVERRIDE,
+ ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD,
+};
+
+/**
+ * enum ethtool_link_ext_substate_link_training - more information in addition to
+ * ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE.
+ */
+enum ethtool_link_ext_substate_link_training {
+ ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_FRAME_LOCK_NOT_ACQUIRED = 1,
+ ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT,
+ ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY,
+ ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT,
+};
+
+/**
+ * enum ethtool_link_ext_substate_logical_mismatch - more information in addition
+ * to ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH.
+ */
+enum ethtool_link_ext_substate_link_logical_mismatch {
+ ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK = 1,
+ ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_AM_LOCK,
+ ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_GET_ALIGN_STATUS,
+ ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED,
+ ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED,
+};
+
+/**
+ * enum ethtool_link_ext_substate_bad_signal_integrity - more information in
+ * addition to ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY.
+ */
+enum ethtool_link_ext_substate_bad_signal_integrity {
+ ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS = 1,
+ ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE,
+};
+
+/**
+ * enum ethtool_link_ext_substate_cable_issue - more information in
+ * addition to ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE.
+ */
+enum ethtool_link_ext_substate_cable_issue {
+ ETHTOOL_LINK_EXT_SUBSTATE_UNSUPPORTED_CABLE = 1,
+ ETHTOOL_LINK_EXT_SUBSTATE_CABLE_TEST_FAILURE,
+};
+
#define ETH_GSTRING_LEN 32
/**
@@ -236,6 +236,8 @@ enum {
ETHTOOL_A_LINKSTATE_LINK, /* u8 */
ETHTOOL_A_LINKSTATE_SQI, /* u32 */
ETHTOOL_A_LINKSTATE_SQI_MAX, /* u32 */
+ ETHTOOL_A_LINKSTATE_EXT_STATE, /* u8 */
+ ETHTOOL_A_LINKSTATE_EXT_SUBSTATE, /* u8 */
/* add new constants above here */
__ETHTOOL_A_LINKSTATE_CNT,
@@ -9,10 +9,12 @@ struct linkstate_req_info {
};
struct linkstate_reply_data {
- struct ethnl_reply_data base;
- int link;
- int sqi;
- int sqi_max;
+ struct ethnl_reply_data base;
+ int link;
+ int sqi;
+ int sqi_max;
+ bool link_ext_state_provided;
+ struct ethtool_link_ext_state_info ethtool_link_ext_state_info;
};
#define LINKSTATE_REPDATA(__reply_base) \
@@ -25,6 +27,8 @@ linkstate_get_policy[ETHTOOL_A_LINKSTATE_MAX + 1] = {
[ETHTOOL_A_LINKSTATE_LINK] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKSTATE_SQI] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKSTATE_SQI_MAX] = { .type = NLA_REJECT },
+ [ETHTOOL_A_LINKSTATE_EXT_STATE] = { .type = NLA_REJECT },
+ [ETHTOOL_A_LINKSTATE_EXT_SUBSTATE] = { .type = NLA_REJECT },
};
static int linkstate_get_sqi(struct net_device *dev)
@@ -61,6 +65,25 @@ static int linkstate_get_sqi_max(struct net_device *dev)
mutex_unlock(&phydev->lock);
return ret;
+};
+
+static int linkstate_get_link_ext_state(struct net_device *dev,
+ struct linkstate_reply_data *data)
+{
+ int err;
+
+ if (!dev->ethtool_ops->get_link_ext_state)
+ return -EOPNOTSUPP;
+
+ err = dev->ethtool_ops->get_link_ext_state(dev, &data->ethtool_link_ext_state_info);
+ if (err) {
+ data->link_ext_state_provided = false;
+ return err;
+ }
+
+ data->link_ext_state_provided = true;
+
+ return 0;
}
static int linkstate_prepare_data(const struct ethnl_req_info *req_base,
@@ -69,7 +92,7 @@ static int linkstate_prepare_data(const struct ethnl_req_info *req_base,
{
struct linkstate_reply_data *data = LINKSTATE_REPDATA(reply_base);
struct net_device *dev = reply_base->dev;
- int ret;
+ int ret, err;
ret = ethnl_ops_begin(dev);
if (ret < 0)
@@ -88,6 +111,12 @@ static int linkstate_prepare_data(const struct ethnl_req_info *req_base,
data->sqi_max = ret;
+ if (dev->flags & IFF_UP) {
+ err = linkstate_get_link_ext_state(dev, data);
+ if (err < 0 && err != -EOPNOTSUPP && err != -ENODATA)
+ return err;
+ }
+
ethnl_ops_complete(dev);
return 0;
@@ -108,6 +137,12 @@ static int linkstate_reply_size(const struct ethnl_req_info *req_base,
if (data->sqi_max != -EOPNOTSUPP)
len += nla_total_size(sizeof(u32));
+ if (data->link_ext_state_provided)
+ len += nla_total_size(sizeof(u8)); /* LINKSTATE_EXT_STATE */
+
+ if (data->ethtool_link_ext_state_info.__link_ext_substate)
+ len += nla_total_size(sizeof(u8)); /* LINKSTATE_EXT_SUBSTATE */
+
return len;
}
@@ -129,6 +164,17 @@ static int linkstate_fill_reply(struct sk_buff *skb,
nla_put_u32(skb, ETHTOOL_A_LINKSTATE_SQI_MAX, data->sqi_max))
return -EMSGSIZE;
+ if (data->link_ext_state_provided) {
+ if (nla_put_u8(skb, ETHTOOL_A_LINKSTATE_EXT_STATE,
+ data->ethtool_link_ext_state_info.link_ext_state))
+ return -EMSGSIZE;
+
+ if (data->ethtool_link_ext_state_info.__link_ext_substate &&
+ nla_put_u8(skb, ETHTOOL_A_LINKSTATE_EXT_SUBSTATE,
+ data->ethtool_link_ext_state_info.__link_ext_substate))
+ return -EMSGSIZE;
+ }
+
return 0;
}