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path: root/drivers/net/ethernet/mellanox/mlx5/core/port.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/port.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/port.c57
1 files changed, 26 insertions, 31 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index 7b16a1188aab..e1bd54574ea5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -33,9 +33,10 @@
#include <linux/mlx5/port.h>
#include "mlx5_core.h"
-int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
- int size_in, void *data_out, int size_out,
- u16 reg_id, int arg, int write)
+/* calling with verbose false will not print error to log */
+int mlx5_access_reg(struct mlx5_core_dev *dev, void *data_in, int size_in,
+ void *data_out, int size_out, u16 reg_id, int arg,
+ int write, bool verbose)
{
int outlen = MLX5_ST_SZ_BYTES(access_register_out) + size_out;
int inlen = MLX5_ST_SZ_BYTES(access_register_in) + size_in;
@@ -57,7 +58,9 @@ int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
MLX5_SET(access_register_in, in, argument, arg);
MLX5_SET(access_register_in, in, register_id, reg_id);
- err = mlx5_cmd_exec(dev, in, inlen, out, outlen);
+ err = mlx5_cmd_do(dev, in, inlen, out, outlen);
+ if (verbose)
+ err = mlx5_cmd_check(dev, err, in, out);
if (err)
goto out;
@@ -69,6 +72,15 @@ out:
kvfree(in);
return err;
}
+EXPORT_SYMBOL_GPL(mlx5_access_reg);
+
+int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
+ int size_in, void *data_out, int size_out,
+ u16 reg_id, int arg, int write)
+{
+ return mlx5_access_reg(dev, data_in, size_in, data_out, size_out,
+ reg_id, arg, write, true);
+}
EXPORT_SYMBOL_GPL(mlx5_core_access_reg);
int mlx5_query_pcam_reg(struct mlx5_core_dev *dev, u32 *pcam, u8 feature_group,
@@ -263,7 +275,6 @@ static int mlx5_query_module_num(struct mlx5_core_dev *dev, int *module_num)
{
u32 in[MLX5_ST_SZ_DW(pmlp_reg)] = {0};
u32 out[MLX5_ST_SZ_DW(pmlp_reg)];
- int module_mapping;
int err;
MLX5_SET(pmlp_reg, in, local_port, 1);
@@ -272,8 +283,9 @@ static int mlx5_query_module_num(struct mlx5_core_dev *dev, int *module_num)
if (err)
return err;
- module_mapping = MLX5_GET(pmlp_reg, out, lane0_module_mapping);
- *module_num = module_mapping & MLX5_EEPROM_IDENTIFIER_BYTE_MASK;
+ *module_num = MLX5_GET(lane_2_module_mapping,
+ MLX5_ADDR_OF(pmlp_reg, out, lane0_module_mapping),
+ module);
return 0;
}
@@ -353,6 +365,12 @@ static void mlx5_sfp_eeprom_params_set(u16 *i2c_addr, int *page_num, u16 *offset
*offset -= MLX5_EEPROM_PAGE_LENGTH;
}
+static int mlx5_mcia_max_bytes(struct mlx5_core_dev *dev)
+{
+ /* mcia supports either 12 dwords or 32 dwords */
+ return (MLX5_CAP_MCAM_FEATURE(dev, mcia_32dwords) ? 32 : 12) * sizeof(u32);
+}
+
static int mlx5_query_mcia(struct mlx5_core_dev *dev,
struct mlx5_module_eeprom_query_params *params, u8 *data)
{
@@ -362,7 +380,7 @@ static int mlx5_query_mcia(struct mlx5_core_dev *dev,
void *ptr;
u16 size;
- size = min_t(int, params->size, MLX5_EEPROM_MAX_BYTES);
+ size = min_t(int, params->size, mlx5_mcia_max_bytes(dev));
MLX5_SET(mcia_reg, in, l, 0);
MLX5_SET(mcia_reg, in, size, size);
@@ -433,35 +451,12 @@ int mlx5_query_module_eeprom_by_page(struct mlx5_core_dev *dev,
struct mlx5_module_eeprom_query_params *params,
u8 *data)
{
- u8 module_id;
int err;
err = mlx5_query_module_num(dev, &params->module_number);
if (err)
return err;
- err = mlx5_query_module_id(dev, params->module_number, &module_id);
- if (err)
- return err;
-
- switch (module_id) {
- case MLX5_MODULE_ID_SFP:
- if (params->page > 0)
- return -EINVAL;
- break;
- case MLX5_MODULE_ID_QSFP:
- case MLX5_MODULE_ID_QSFP28:
- case MLX5_MODULE_ID_QSFP_PLUS:
- if (params->page > 3)
- return -EINVAL;
- break;
- case MLX5_MODULE_ID_DSFP:
- break;
- default:
- mlx5_core_err(dev, "Module ID not recognized: 0x%x\n", module_id);
- return -EINVAL;
- }
-
if (params->i2c_address != MLX5_I2C_ADDR_HIGH &&
params->i2c_address != MLX5_I2C_ADDR_LOW) {
mlx5_core_err(dev, "I2C address not recognized: 0x%x\n", params->i2c_address);