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-rw-r--r--Documentation/networking/ethtool-netlink.rst8
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hnae3.h2
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c82
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.h31
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h3
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c24
-rw-r--r--include/uapi/linux/ethtool.h2
7 files changed, 137 insertions, 15 deletions
diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst
index c86628e6a235..c690bb37430d 100644
--- a/Documentation/networking/ethtool-netlink.rst
+++ b/Documentation/networking/ethtool-netlink.rst
@@ -595,6 +595,14 @@ Link extended substates:
that is not formally
supported, which led to
signal integrity issues
+
+ ``ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST`` The external clock signal for
+ SerDes is too weak or
+ unavailable.
+
+ ``ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS`` The received signal for
+ SerDes is too weak because
+ analog loss of signal.
================================================================= =============================
Cable issue substates:
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index e0b7c3c44e7b..848bed866193 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -718,6 +718,8 @@ struct hnae3_ae_ops {
u32 nsec, u32 sec);
int (*get_ts_info)(struct hnae3_handle *handle,
struct ethtool_ts_info *info);
+ int (*get_link_diagnosis_info)(struct hnae3_handle *handle,
+ u32 *status_code);
};
struct hnae3_dcb_ops {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index c8f09b07185e..835105015763 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -7,21 +7,7 @@
#include <linux/sfp.h>
#include "hns3_enet.h"
-
-struct hns3_stats {
- char stats_string[ETH_GSTRING_LEN];
- int stats_offset;
-};
-
-struct hns3_sfp_type {
- u8 type;
- u8 ext_type;
-};
-
-struct hns3_pflag_desc {
- char name[ETH_GSTRING_LEN];
- void (*handler)(struct net_device *netdev, bool enable);
-};
+#include "hns3_ethtool.h"
/* tqp related stats */
#define HNS3_TQP_STAT(_string, _member) { \
@@ -1725,6 +1711,71 @@ static int hns3_get_ts_info(struct net_device *netdev,
return ethtool_op_get_ts_info(netdev, info);
}
+static const struct hns3_ethtool_link_ext_state_mapping
+hns3_link_ext_state_map[] = {
+ {1, ETHTOOL_LINK_EXT_STATE_AUTONEG,
+ ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD},
+ {2, ETHTOOL_LINK_EXT_STATE_AUTONEG,
+ ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED},
+
+ {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
+ ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT},
+ {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
+ ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY},
+ {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
+ ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT},
+
+ {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
+ ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK},
+ {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
+ ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED},
+ {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
+ ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED},
+
+ {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
+ ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS},
+ {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
+ ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST},
+ {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
+ ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS},
+
+ {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0},
+ {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
+ ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
+
+ {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0},
+};
+
+static int hns3_get_link_ext_state(struct net_device *netdev,
+ struct ethtool_link_ext_state_info *info)
+{
+ const struct hns3_ethtool_link_ext_state_mapping *map;
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+ u32 status_code, i;
+ int ret;
+
+ if (netif_carrier_ok(netdev))
+ return -ENODATA;
+
+ if (!h->ae_algo->ops->get_link_diagnosis_info)
+ return -EOPNOTSUPP;
+
+ ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) {
+ map = &hns3_link_ext_state_map[i];
+ if (map->status_code == status_code) {
+ info->link_ext_state = map->link_ext_state;
+ info->__link_ext_substate = map->link_ext_substate;
+ return 0;
+ }
+ }
+
+ return -ENODATA;
+}
+
static const struct ethtool_ops hns3vf_ethtool_ops = {
.supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
.get_drvinfo = hns3_get_drvinfo,
@@ -1796,6 +1847,7 @@ static const struct ethtool_ops hns3_ethtool_ops = {
.get_tunable = hns3_get_tunable,
.set_tunable = hns3_set_tunable,
.reset = hns3_set_reset,
+ .get_link_ext_state = hns3_get_link_ext_state,
};
void hns3_ethtool_set_ops(struct net_device *netdev)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.h b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.h
new file mode 100644
index 000000000000..822d6fcbc73b
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+// Copyright (c) 2021 Hisilicon Limited.
+
+#ifndef __HNS3_ETHTOOL_H
+#define __HNS3_ETHTOOL_H
+
+#include <linux/ethtool.h>
+#include <linux/netdevice.h>
+
+struct hns3_stats {
+ char stats_string[ETH_GSTRING_LEN];
+ int stats_offset;
+};
+
+struct hns3_sfp_type {
+ u8 type;
+ u8 ext_type;
+};
+
+struct hns3_pflag_desc {
+ char name[ETH_GSTRING_LEN];
+ void (*handler)(struct net_device *netdev, bool enable);
+};
+
+struct hns3_ethtool_link_ext_state_mapping {
+ u32 status_code;
+ enum ethtool_link_ext_state link_ext_state;
+ u8 link_ext_substate;
+};
+
+#endif
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index 18bde77ef944..8e5be127909b 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -316,6 +316,9 @@ enum hclge_opcode_type {
/* PHY command */
HCLGE_OPC_PHY_LINK_KSETTING = 0x7025,
HCLGE_OPC_PHY_REG = 0x7026,
+
+ /* Query link diagnosis info command */
+ HCLGE_OPC_QUERY_LINK_DIAGNOSIS = 0x702A,
};
#define HCLGE_TQP_REG_OFFSET 0x80000
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 9fd15287986f..8779a63d51b3 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -12843,6 +12843,29 @@ static int hclge_get_module_eeprom(struct hnae3_handle *handle, u32 offset,
return 0;
}
+static int hclge_get_link_diagnosis_info(struct hnae3_handle *handle,
+ u32 *status_code)
+{
+ struct hclge_vport *vport = hclge_get_vport(handle);
+ struct hclge_dev *hdev = vport->back;
+ struct hclge_desc desc;
+ int ret;
+
+ if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2)
+ return -EOPNOTSUPP;
+
+ hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_LINK_DIAGNOSIS, true);
+ ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to query link diagnosis info, ret = %d\n", ret);
+ return ret;
+ }
+
+ *status_code = le32_to_cpu(desc.data[0]);
+ return 0;
+}
+
static const struct hnae3_ae_ops hclge_ops = {
.init_ae_dev = hclge_init_ae_dev,
.uninit_ae_dev = hclge_uninit_ae_dev,
@@ -12943,6 +12966,7 @@ static const struct hnae3_ae_ops hclge_ops = {
.set_tx_hwts_info = hclge_ptp_set_tx_info,
.get_rx_hwts = hclge_ptp_get_rx_hwts,
.get_ts_info = hclge_ptp_get_ts_info,
+ .get_link_diagnosis_info = hclge_get_link_diagnosis_info,
};
static struct hnae3_ae_algo ae_algo = {
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 67aa7134b301..b6db6590baf0 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -639,6 +639,8 @@ enum ethtool_link_ext_substate_link_logical_mismatch {
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,
+ ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST,
+ ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS,
};
/* More information in addition to ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE. */
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-14 22:42:05 +0000