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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c42
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/port.c36
-rw-r--r--include/linux/mlx5/port.h15
3 files changed, 80 insertions, 13 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 4c560e003d56..39a4d961a58e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -702,6 +702,8 @@ static int mlx5e_get_link_ksettings(struct net_device *netdev,
u32 eth_proto_admin;
u32 eth_proto_lp;
u32 eth_proto_oper;
+ u8 an_disable_admin;
+ u8 an_status;
int err;
err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
@@ -712,10 +714,12 @@ static int mlx5e_get_link_ksettings(struct net_device *netdev,
goto err_query_ptys;
}
- eth_proto_cap = MLX5_GET(ptys_reg, out, eth_proto_capability);
- eth_proto_admin = MLX5_GET(ptys_reg, out, eth_proto_admin);
- eth_proto_oper = MLX5_GET(ptys_reg, out, eth_proto_oper);
- eth_proto_lp = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
+ eth_proto_cap = MLX5_GET(ptys_reg, out, eth_proto_capability);
+ eth_proto_admin = MLX5_GET(ptys_reg, out, eth_proto_admin);
+ eth_proto_oper = MLX5_GET(ptys_reg, out, eth_proto_oper);
+ eth_proto_lp = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
+ an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
+ an_status = MLX5_GET(ptys_reg, out, an_status);
ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
@@ -729,6 +733,18 @@ static int mlx5e_get_link_ksettings(struct net_device *netdev,
link_ksettings->base.port = get_connector_port(eth_proto_oper);
get_lp_advertising(eth_proto_lp, link_ksettings);
+ if (an_status == MLX5_AN_COMPLETE)
+ ethtool_link_ksettings_add_link_mode(link_ksettings,
+ lp_advertising, Autoneg);
+
+ link_ksettings->base.autoneg = an_disable_admin ? AUTONEG_DISABLE :
+ AUTONEG_ENABLE;
+ ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
+ Autoneg);
+ if (!an_disable_admin)
+ ethtool_link_ksettings_add_link_mode(link_ksettings,
+ advertising, Autoneg);
+
err_query_ptys:
return err;
}
@@ -764,9 +780,14 @@ static int mlx5e_set_link_ksettings(struct net_device *netdev,
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
+ u32 eth_proto_cap, eth_proto_admin;
+ bool an_changes = false;
+ u8 an_disable_admin;
+ u8 an_disable_cap;
+ bool an_disable;
u32 link_modes;
+ u8 an_status;
u32 speed;
- u32 eth_proto_cap, eth_proto_admin;
int err;
speed = link_ksettings->base.speed;
@@ -797,10 +818,17 @@ static int mlx5e_set_link_ksettings(struct net_device *netdev,
goto out;
}
- if (link_modes == eth_proto_admin)
+ mlx5_query_port_autoneg(mdev, MLX5_PTYS_EN, &an_status,
+ &an_disable_cap, &an_disable_admin);
+
+ an_disable = link_ksettings->base.autoneg == AUTONEG_DISABLE;
+ an_changes = ((!an_disable && an_disable_admin) ||
+ (an_disable && !an_disable_admin));
+
+ if (!an_changes && link_modes == eth_proto_admin)
goto out;
- mlx5_set_port_proto(mdev, link_modes, MLX5_PTYS_EN);
+ mlx5_set_port_ptys(mdev, an_disable, link_modes, MLX5_PTYS_EN);
mlx5_toggle_port_link(mdev);
out:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index 1562e7310f5b..752c08127138 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -202,15 +202,24 @@ int mlx5_query_port_proto_oper(struct mlx5_core_dev *dev,
}
EXPORT_SYMBOL_GPL(mlx5_query_port_proto_oper);
-int mlx5_set_port_proto(struct mlx5_core_dev *dev, u32 proto_admin,
- int proto_mask)
+int mlx5_set_port_ptys(struct mlx5_core_dev *dev, bool an_disable,
+ u32 proto_admin, int proto_mask)
{
- u32 in[MLX5_ST_SZ_DW(ptys_reg)];
u32 out[MLX5_ST_SZ_DW(ptys_reg)];
+ u32 in[MLX5_ST_SZ_DW(ptys_reg)];
+ u8 an_disable_admin;
+ u8 an_disable_cap;
+ u8 an_status;
+
+ mlx5_query_port_autoneg(dev, proto_mask, &an_status,
+ &an_disable_cap, &an_disable_admin);
+ if (!an_disable_cap && an_disable)
+ return -EPERM;
memset(in, 0, sizeof(in));
MLX5_SET(ptys_reg, in, local_port, 1);
+ MLX5_SET(ptys_reg, in, an_disable_admin, an_disable);
MLX5_SET(ptys_reg, in, proto_mask, proto_mask);
if (proto_mask == MLX5_PTYS_EN)
MLX5_SET(ptys_reg, in, eth_proto_admin, proto_admin);
@@ -220,7 +229,7 @@ int mlx5_set_port_proto(struct mlx5_core_dev *dev, u32 proto_admin,
return mlx5_core_access_reg(dev, in, sizeof(in), out,
sizeof(out), MLX5_REG_PTYS, 0, 1);
}
-EXPORT_SYMBOL_GPL(mlx5_set_port_proto);
+EXPORT_SYMBOL_GPL(mlx5_set_port_ptys);
/* This function should be used after setting a port register only */
void mlx5_toggle_port_link(struct mlx5_core_dev *dev)
@@ -530,6 +539,25 @@ int mlx5_query_port_pfc(struct mlx5_core_dev *dev, u8 *pfc_en_tx, u8 *pfc_en_rx)
}
EXPORT_SYMBOL_GPL(mlx5_query_port_pfc);
+void mlx5_query_port_autoneg(struct mlx5_core_dev *dev, int proto_mask,
+ u8 *an_status,
+ u8 *an_disable_cap, u8 *an_disable_admin)
+{
+ u32 out[MLX5_ST_SZ_DW(ptys_reg)];
+
+ *an_status = 0;
+ *an_disable_cap = 0;
+ *an_disable_admin = 0;
+
+ if (mlx5_query_port_ptys(dev, out, sizeof(out), proto_mask, 1))
+ return;
+
+ *an_status = MLX5_GET(ptys_reg, out, an_status);
+ *an_disable_cap = MLX5_GET(ptys_reg, out, an_disable_cap);
+ *an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
+}
+EXPORT_SYMBOL_GPL(mlx5_query_port_autoneg);
+
int mlx5_max_tc(struct mlx5_core_dev *mdev)
{
u8 num_tc = MLX5_CAP_GEN(mdev, max_tc) ? : 8;
diff --git a/include/linux/mlx5/port.h b/include/linux/mlx5/port.h
index 4adfac15f0e9..e3012cc64b8a 100644
--- a/include/linux/mlx5/port.h
+++ b/include/linux/mlx5/port.h
@@ -47,6 +47,14 @@ enum mlx5_module_id {
MLX5_MODULE_ID_QSFP28 = 0x11,
};
+enum mlx5_an_status {
+ MLX5_AN_UNAVAILABLE = 0,
+ MLX5_AN_COMPLETE = 1,
+ MLX5_AN_FAILED = 2,
+ MLX5_AN_LINK_UP = 3,
+ MLX5_AN_LINK_DOWN = 4,
+};
+
#define MLX5_EEPROM_MAX_BYTES 32
#define MLX5_EEPROM_IDENTIFIER_BYTE_MASK 0x000000ff
#define MLX5_I2C_ADDR_LOW 0x50
@@ -65,14 +73,17 @@ int mlx5_query_port_link_width_oper(struct mlx5_core_dev *dev,
int mlx5_query_port_proto_oper(struct mlx5_core_dev *dev,
u8 *proto_oper, int proto_mask,
u8 local_port);
-int mlx5_set_port_proto(struct mlx5_core_dev *dev, u32 proto_admin,
- int proto_mask);
+int mlx5_set_port_ptys(struct mlx5_core_dev *dev, bool an_disable,
+ u32 proto_admin, int proto_mask);
void mlx5_toggle_port_link(struct mlx5_core_dev *dev);
int mlx5_set_port_admin_status(struct mlx5_core_dev *dev,
enum mlx5_port_status status);
int mlx5_query_port_admin_status(struct mlx5_core_dev *dev,
enum mlx5_port_status *status);
int mlx5_set_port_beacon(struct mlx5_core_dev *dev, u16 beacon_duration);
+void mlx5_query_port_autoneg(struct mlx5_core_dev *dev, int proto_mask,
+ u8 *an_status,
+ u8 *an_disable_cap, u8 *an_disable_admin);
int mlx5_set_port_mtu(struct mlx5_core_dev *dev, u16 mtu, u8 port);
void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, u16 *max_mtu, u8 port);
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2025-02-03 21:44:59 +0000