diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/cmd.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core.c | 25 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core.h | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/pci.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 49 |
5 files changed, 74 insertions, 12 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/cmd.h b/drivers/net/ethernet/mellanox/mlxsw/cmd.h index 60232fb8ccd7..09bef04b11d1 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/cmd.h +++ b/drivers/net/ethernet/mellanox/mlxsw/cmd.h @@ -703,6 +703,9 @@ MLXSW_ITEM32(cmd_mbox, config_profile, max_vepa_channels, 0x10, 0, 8); /* cmd_mbox_config_profile_max_lag * Maximum number of LAG IDs requested. + * Reserved when Spectrum-1/2/3, supported from Spectrum-4 and above. + * For Spectrum-4, firmware sets 128 for values between 1-128 and 256 for values + * between 129-256. */ MLXSW_ITEM32(cmd_mbox, config_profile, max_lag, 0x14, 0, 16); diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index afbe046b35a0..1d14b1d8c500 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -186,6 +186,23 @@ unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core) } EXPORT_SYMBOL(mlxsw_core_max_ports); +int mlxsw_core_max_lag(struct mlxsw_core *mlxsw_core, u16 *p_max_lag) +{ + struct mlxsw_driver *driver = mlxsw_core->driver; + + if (driver->profile->used_max_lag) { + *p_max_lag = driver->profile->max_lag; + return 0; + } + + if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_LAG)) + return -EIO; + + *p_max_lag = MLXSW_CORE_RES_GET(mlxsw_core, MAX_LAG); + return 0; +} +EXPORT_SYMBOL(mlxsw_core_max_lag); + void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core) { return mlxsw_core->driver_priv; @@ -2099,6 +2116,7 @@ __mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, struct mlxsw_core *mlxsw_core; struct mlxsw_driver *mlxsw_driver; size_t alloc_size; + u16 max_lag; int err; mlxsw_driver = mlxsw_core_driver_get(device_kind); @@ -2140,10 +2158,9 @@ __mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, if (err) goto err_ports_init; - if (MLXSW_CORE_RES_VALID(mlxsw_core, MAX_LAG) && - MLXSW_CORE_RES_VALID(mlxsw_core, MAX_LAG_MEMBERS)) { - alloc_size = sizeof(*mlxsw_core->lag.mapping) * - MLXSW_CORE_RES_GET(mlxsw_core, MAX_LAG) * + err = mlxsw_core_max_lag(mlxsw_core, &max_lag); + if (!err && MLXSW_CORE_RES_VALID(mlxsw_core, MAX_LAG_MEMBERS)) { + alloc_size = sizeof(*mlxsw_core->lag.mapping) * max_lag * MLXSW_CORE_RES_GET(mlxsw_core, MAX_LAG_MEMBERS); mlxsw_core->lag.mapping = kzalloc(alloc_size, GFP_KERNEL); if (!mlxsw_core->lag.mapping) { diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h index 9de9fa24f27c..ca0c3d2bee6b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.h +++ b/drivers/net/ethernet/mellanox/mlxsw/core.h @@ -35,6 +35,8 @@ struct mlxsw_fw_rev; unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core); +int mlxsw_core_max_lag(struct mlxsw_core *mlxsw_core, u16 *p_max_lag); + void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core); struct mlxsw_linecards *mlxsw_core_linecards(struct mlxsw_core *mlxsw_core); @@ -295,6 +297,7 @@ struct mlxsw_swid_config { struct mlxsw_config_profile { u16 used_max_vepa_channels:1, + used_max_lag:1, used_max_mid:1, used_max_pgt:1, used_max_system_port:1, @@ -310,6 +313,7 @@ struct mlxsw_config_profile { used_kvd_sizes:1, used_cqe_time_stamp_type:1; u8 max_vepa_channels; + u16 max_lag; u16 max_mid; u16 max_pgt; u16 max_system_port; diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c index 50527adc5b5a..c968309657dd 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/pci.c +++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c @@ -1187,6 +1187,11 @@ static int mlxsw_pci_config_profile(struct mlxsw_pci *mlxsw_pci, char *mbox, mlxsw_cmd_mbox_config_profile_max_vepa_channels_set( mbox, profile->max_vepa_channels); } + if (profile->used_max_lag) { + mlxsw_cmd_mbox_config_profile_set_max_lag_set(mbox, 1); + mlxsw_cmd_mbox_config_profile_max_lag_set(mbox, + profile->max_lag); + } if (profile->used_max_mid) { mlxsw_cmd_mbox_config_profile_set_max_mid_set( mbox, 1); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 30c7b0e15721..5bcf5bceff71 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -2691,6 +2691,7 @@ static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp) static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp) { char slcr_pl[MLXSW_REG_SLCR_LEN]; + u16 max_lag; u32 seed; int err; @@ -2709,12 +2710,14 @@ static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp) if (err) return err; - if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG) || - !MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG_MEMBERS)) + err = mlxsw_core_max_lag(mlxsw_sp->core, &max_lag); + if (err) + return err; + + if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG_MEMBERS)) return -EIO; - mlxsw_sp->lags = kcalloc(MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG), - sizeof(struct mlxsw_sp_upper), + mlxsw_sp->lags = kcalloc(max_lag, sizeof(struct mlxsw_sp_upper), GFP_KERNEL); if (!mlxsw_sp->lags) return -ENOMEM; @@ -3509,6 +3512,33 @@ static const struct mlxsw_config_profile mlxsw_sp2_config_profile = { .cqe_time_stamp_type = MLXSW_CMD_MBOX_CONFIG_PROFILE_CQE_TIME_STAMP_TYPE_UTC, }; +/* Reduce number of LAGs from full capacity (256) to the maximum supported LAGs + * in Spectrum-2/3, to avoid regression in number of free entries in the PGT + * table. + */ +#define MLXSW_SP4_CONFIG_PROFILE_MAX_LAG 128 + +static const struct mlxsw_config_profile mlxsw_sp4_config_profile = { + .used_max_lag = 1, + .max_lag = MLXSW_SP4_CONFIG_PROFILE_MAX_LAG, + .used_flood_mode = 1, + .flood_mode = MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED, + .used_max_ib_mc = 1, + .max_ib_mc = 0, + .used_max_pkey = 1, + .max_pkey = 0, + .used_ubridge = 1, + .ubridge = 1, + .swid_config = { + { + .used_type = 1, + .type = MLXSW_PORT_SWID_TYPE_ETH, + } + }, + .used_cqe_time_stamp_type = 1, + .cqe_time_stamp_type = MLXSW_CMD_MBOX_CONFIG_PROFILE_CQE_TIME_STAMP_TYPE_UTC, +}; + static void mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core, struct devlink_resource_size_params *kvd_size_params, @@ -4039,7 +4069,7 @@ static struct mlxsw_driver mlxsw_sp4_driver = { .params_unregister = mlxsw_sp2_params_unregister, .ptp_transmitted = mlxsw_sp_ptp_transmitted, .txhdr_len = MLXSW_TXHDR_LEN, - .profile = &mlxsw_sp2_config_profile, + .profile = &mlxsw_sp4_config_profile, .sdq_supports_cqe_v2 = true, }; @@ -4263,10 +4293,13 @@ static int mlxsw_sp_lag_index_get(struct mlxsw_sp *mlxsw_sp, { struct mlxsw_sp_upper *lag; int free_lag_id = -1; - u64 max_lag; - int i; + u16 max_lag; + int err, i; + + err = mlxsw_core_max_lag(mlxsw_sp->core, &max_lag); + if (err) + return err; - max_lag = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG); for (i = 0; i < max_lag; i++) { lag = mlxsw_sp_lag_get(mlxsw_sp, i); if (lag->ref_count) { |