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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/port.c146
1 files changed, 62 insertions, 84 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c
index 26c7849eeb7c..16c94950d206 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c
@@ -343,64 +343,45 @@ out:
return err;
}
-static u32 fec_supported_speeds[] = {
- 10000,
- 40000,
- 25000,
- 50000,
- 56000,
- 100000
+enum mlx5e_fec_supported_link_mode {
+ MLX5E_FEC_SUPPORTED_LINK_MODES_10G_40G,
+ MLX5E_FEC_SUPPORTED_LINK_MODES_25G,
+ MLX5E_FEC_SUPPORTED_LINK_MODES_50G,
+ MLX5E_FEC_SUPPORTED_LINK_MODES_56G,
+ MLX5E_FEC_SUPPORTED_LINK_MODES_100G,
+ MLX5E_MAX_FEC_SUPPORTED_LINK_MODE,
};
-#define MLX5E_FEC_SUPPORTED_SPEEDS ARRAY_SIZE(fec_supported_speeds)
+#define MLX5E_FEC_OVERRIDE_ADMIN_POLICY(buf, policy, write, link) \
+ do { \
+ u8 *_policy = &(policy); \
+ u32 *_buf = buf; \
+ \
+ if (write) \
+ MLX5_SET(pplm_reg, _buf, fec_override_admin_##link, *_policy); \
+ else \
+ *_policy = MLX5_GET(pplm_reg, _buf, fec_override_admin_##link); \
+ } while (0)
/* get/set FEC admin field for a given speed */
-static int mlx5e_fec_admin_field(u32 *pplm,
- u8 *fec_policy,
- bool write,
- u32 speed)
+static int mlx5e_fec_admin_field(u32 *pplm, u8 *fec_policy, bool write,
+ enum mlx5e_fec_supported_link_mode link_mode)
{
- switch (speed) {
- case 10000:
- case 40000:
- if (!write)
- *fec_policy = MLX5_GET(pplm_reg, pplm,
- fec_override_admin_10g_40g);
- else
- MLX5_SET(pplm_reg, pplm,
- fec_override_admin_10g_40g, *fec_policy);
+ switch (link_mode) {
+ case MLX5E_FEC_SUPPORTED_LINK_MODES_10G_40G:
+ MLX5E_FEC_OVERRIDE_ADMIN_POLICY(pplm, *fec_policy, write, 10g_40g);
break;
- case 25000:
- if (!write)
- *fec_policy = MLX5_GET(pplm_reg, pplm,
- fec_override_admin_25g);
- else
- MLX5_SET(pplm_reg, pplm,
- fec_override_admin_25g, *fec_policy);
+ case MLX5E_FEC_SUPPORTED_LINK_MODES_25G:
+ MLX5E_FEC_OVERRIDE_ADMIN_POLICY(pplm, *fec_policy, write, 25g);
break;
- case 50000:
- if (!write)
- *fec_policy = MLX5_GET(pplm_reg, pplm,
- fec_override_admin_50g);
- else
- MLX5_SET(pplm_reg, pplm,
- fec_override_admin_50g, *fec_policy);
+ case MLX5E_FEC_SUPPORTED_LINK_MODES_50G:
+ MLX5E_FEC_OVERRIDE_ADMIN_POLICY(pplm, *fec_policy, write, 50g);
break;
- case 56000:
- if (!write)
- *fec_policy = MLX5_GET(pplm_reg, pplm,
- fec_override_admin_56g);
- else
- MLX5_SET(pplm_reg, pplm,
- fec_override_admin_56g, *fec_policy);
+ case MLX5E_FEC_SUPPORTED_LINK_MODES_56G:
+ MLX5E_FEC_OVERRIDE_ADMIN_POLICY(pplm, *fec_policy, write, 56g);
break;
- case 100000:
- if (!write)
- *fec_policy = MLX5_GET(pplm_reg, pplm,
- fec_override_admin_100g);
- else
- MLX5_SET(pplm_reg, pplm,
- fec_override_admin_100g, *fec_policy);
+ case MLX5E_FEC_SUPPORTED_LINK_MODES_100G:
+ MLX5E_FEC_OVERRIDE_ADMIN_POLICY(pplm, *fec_policy, write, 100g);
break;
default:
return -EINVAL;
@@ -408,32 +389,28 @@ static int mlx5e_fec_admin_field(u32 *pplm,
return 0;
}
+#define MLX5E_GET_FEC_OVERRIDE_CAP(buf, link) \
+ MLX5_GET(pplm_reg, buf, fec_override_cap_##link)
+
/* returns FEC capabilities for a given speed */
-static int mlx5e_get_fec_cap_field(u32 *pplm,
- u8 *fec_cap,
- u32 speed)
+static int mlx5e_get_fec_cap_field(u32 *pplm, u8 *fec_cap,
+ enum mlx5e_fec_supported_link_mode link_mode)
{
- switch (speed) {
- case 10000:
- case 40000:
- *fec_cap = MLX5_GET(pplm_reg, pplm,
- fec_override_cap_10g_40g);
+ switch (link_mode) {
+ case MLX5E_FEC_SUPPORTED_LINK_MODES_10G_40G:
+ *fec_cap = MLX5E_GET_FEC_OVERRIDE_CAP(pplm, 10g_40g);
break;
- case 25000:
- *fec_cap = MLX5_GET(pplm_reg, pplm,
- fec_override_cap_25g);
+ case MLX5E_FEC_SUPPORTED_LINK_MODES_25G:
+ *fec_cap = MLX5E_GET_FEC_OVERRIDE_CAP(pplm, 25g);
break;
- case 50000:
- *fec_cap = MLX5_GET(pplm_reg, pplm,
- fec_override_cap_50g);
+ case MLX5E_FEC_SUPPORTED_LINK_MODES_50G:
+ *fec_cap = MLX5E_GET_FEC_OVERRIDE_CAP(pplm, 50g);
break;
- case 56000:
- *fec_cap = MLX5_GET(pplm_reg, pplm,
- fec_override_cap_56g);
+ case MLX5E_FEC_SUPPORTED_LINK_MODES_56G:
+ *fec_cap = MLX5E_GET_FEC_OVERRIDE_CAP(pplm, 56g);
break;
- case 100000:
- *fec_cap = MLX5_GET(pplm_reg, pplm,
- fec_override_cap_100g);
+ case MLX5E_FEC_SUPPORTED_LINK_MODES_100G:
+ *fec_cap = MLX5E_GET_FEC_OVERRIDE_CAP(pplm, 100g);
break;
default:
return -EINVAL;
@@ -460,10 +437,10 @@ bool mlx5e_fec_in_caps(struct mlx5_core_dev *dev, int fec_policy)
if (err)
return false;
- for (i = 0; i < MLX5E_FEC_SUPPORTED_SPEEDS; i++) {
+ for (i = 0; i < MLX5E_MAX_FEC_SUPPORTED_LINK_MODE; i++) {
u8 fec_caps;
- mlx5e_get_fec_cap_field(out, &fec_caps, fec_supported_speeds[i]);
+ mlx5e_get_fec_cap_field(out, &fec_caps, i);
if (fec_caps & fec_policy)
return true;
}
@@ -476,8 +453,8 @@ int mlx5e_get_fec_mode(struct mlx5_core_dev *dev, u32 *fec_mode_active,
u32 out[MLX5_ST_SZ_DW(pplm_reg)] = {};
u32 in[MLX5_ST_SZ_DW(pplm_reg)] = {};
int sz = MLX5_ST_SZ_BYTES(pplm_reg);
- u32 link_speed;
int err;
+ int i;
if (!MLX5_CAP_GEN(dev, pcam_reg))
return -EOPNOTSUPP;
@@ -493,13 +470,16 @@ int mlx5e_get_fec_mode(struct mlx5_core_dev *dev, u32 *fec_mode_active,
*fec_mode_active = MLX5_GET(pplm_reg, out, fec_mode_active);
if (!fec_configured_mode)
- return 0;
-
- err = mlx5e_port_linkspeed(dev, &link_speed);
- if (err)
- return err;
+ goto out;
- return mlx5e_fec_admin_field(out, fec_configured_mode, 0, link_speed);
+ *fec_configured_mode = 0;
+ for (i = 0; i < MLX5E_MAX_FEC_SUPPORTED_LINK_MODE; i++) {
+ mlx5e_fec_admin_field(out, fec_configured_mode, 0, i);
+ if (*fec_configured_mode != 0)
+ goto out;
+ }
+out:
+ return 0;
}
int mlx5e_set_fec_mode(struct mlx5_core_dev *dev, u8 fec_policy)
@@ -525,16 +505,14 @@ int mlx5e_set_fec_mode(struct mlx5_core_dev *dev, u8 fec_policy)
MLX5_SET(pplm_reg, out, local_port, 1);
- for (i = 0; i < MLX5E_FEC_SUPPORTED_SPEEDS; i++) {
- mlx5e_get_fec_cap_field(out, &fec_caps, fec_supported_speeds[i]);
+ for (i = 0; i < MLX5E_MAX_FEC_SUPPORTED_LINK_MODE; i++) {
+ mlx5e_get_fec_cap_field(out, &fec_caps, i);
/* policy supported for link speed */
if (fec_caps & fec_policy)
- mlx5e_fec_admin_field(out, &fec_policy, 1,
- fec_supported_speeds[i]);
+ mlx5e_fec_admin_field(out, &fec_policy, 1, i);
else
/* set FEC to auto*/
- mlx5e_fec_admin_field(out, &fec_policy_auto, 1,
- fec_supported_speeds[i]);
+ mlx5e_fec_admin_field(out, &fec_policy_auto, 1, i);
}
return mlx5_core_access_reg(dev, out, sz, out, sz, MLX5_REG_PPLM, 0, 1);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 23:35:24 +0000