diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/core.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core.c | 85 |
1 files changed, 82 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 97f0d93caf99..22379eb8e924 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -105,6 +105,10 @@ struct mlxsw_core { struct debugfs_blob_wrapper vsd_blob; struct debugfs_blob_wrapper psid_blob; } dbg; + struct { + u8 *mapping; /* lag_id+port_index to local_port mapping */ + } lag; + struct mlxsw_hwmon *hwmon; unsigned long driver_priv[0]; /* driver_priv has to be always the last item */ }; @@ -814,6 +818,17 @@ int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, goto err_alloc_stats; } + if (mlxsw_driver->profile->used_max_lag && + mlxsw_driver->profile->used_max_port_per_lag) { + alloc_size = sizeof(u8) * mlxsw_driver->profile->max_lag * + mlxsw_driver->profile->max_port_per_lag; + mlxsw_core->lag.mapping = kzalloc(alloc_size, GFP_KERNEL); + if (!mlxsw_core->lag.mapping) { + err = -ENOMEM; + goto err_alloc_lag_mapping; + } + } + err = mlxsw_bus->init(bus_priv, mlxsw_core, mlxsw_driver->profile); if (err) goto err_bus_init; @@ -822,6 +837,10 @@ int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, if (err) goto err_emad_init; + err = mlxsw_hwmon_init(mlxsw_core, mlxsw_bus_info, &mlxsw_core->hwmon); + if (err) + goto err_hwmon_init; + err = mlxsw_driver->init(mlxsw_core->driver_priv, mlxsw_core, mlxsw_bus_info); if (err) @@ -836,10 +855,13 @@ int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, err_debugfs_init: mlxsw_core->driver->fini(mlxsw_core->driver_priv); err_driver_init: +err_hwmon_init: mlxsw_emad_fini(mlxsw_core); err_emad_init: mlxsw_bus->fini(bus_priv); err_bus_init: + kfree(mlxsw_core->lag.mapping); +err_alloc_lag_mapping: free_percpu(mlxsw_core->pcpu_stats); err_alloc_stats: kfree(mlxsw_core); @@ -857,6 +879,7 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core) mlxsw_core->driver->fini(mlxsw_core->driver_priv); mlxsw_emad_fini(mlxsw_core); mlxsw_core->bus->fini(mlxsw_core->bus_priv); + kfree(mlxsw_core->lag.mapping); free_percpu(mlxsw_core->pcpu_stats); kfree(mlxsw_core); mlxsw_core_driver_put(device_kind); @@ -1188,11 +1211,25 @@ void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, struct mlxsw_rx_listener_item *rxl_item; const struct mlxsw_rx_listener *rxl; struct mlxsw_core_pcpu_stats *pcpu_stats; - u8 local_port = rx_info->sys_port; + u8 local_port; bool found = false; - dev_dbg_ratelimited(mlxsw_core->bus_info->dev, "%s: sys_port = %d, trap_id = 0x%x\n", - __func__, rx_info->sys_port, rx_info->trap_id); + if (rx_info->is_lag) { + dev_dbg_ratelimited(mlxsw_core->bus_info->dev, "%s: lag_id = %d, lag_port_index = 0x%x\n", + __func__, rx_info->u.lag_id, + rx_info->trap_id); + /* Upper layer does not care if the skb came from LAG or not, + * so just get the local_port for the lag port and push it up. + */ + local_port = mlxsw_core_lag_mapping_get(mlxsw_core, + rx_info->u.lag_id, + rx_info->lag_port_index); + } else { + local_port = rx_info->u.sys_port; + } + + dev_dbg_ratelimited(mlxsw_core->bus_info->dev, "%s: local_port = %d, trap_id = 0x%x\n", + __func__, local_port, rx_info->trap_id); if ((rx_info->trap_id >= MLXSW_TRAP_ID_MAX) || (local_port >= MLXSW_PORT_MAX_PORTS)) @@ -1236,6 +1273,48 @@ drop: } EXPORT_SYMBOL(mlxsw_core_skb_receive); +static int mlxsw_core_lag_mapping_index(struct mlxsw_core *mlxsw_core, + u16 lag_id, u8 port_index) +{ + return mlxsw_core->driver->profile->max_port_per_lag * lag_id + + port_index; +} + +void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core, + u16 lag_id, u8 port_index, u8 local_port) +{ + int index = mlxsw_core_lag_mapping_index(mlxsw_core, + lag_id, port_index); + + mlxsw_core->lag.mapping[index] = local_port; +} +EXPORT_SYMBOL(mlxsw_core_lag_mapping_set); + +u8 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core, + u16 lag_id, u8 port_index) +{ + int index = mlxsw_core_lag_mapping_index(mlxsw_core, + lag_id, port_index); + + return mlxsw_core->lag.mapping[index]; +} +EXPORT_SYMBOL(mlxsw_core_lag_mapping_get); + +void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core, + u16 lag_id, u8 local_port) +{ + int i; + + for (i = 0; i < mlxsw_core->driver->profile->max_port_per_lag; i++) { + int index = mlxsw_core_lag_mapping_index(mlxsw_core, + lag_id, i); + + if (mlxsw_core->lag.mapping[index] == local_port) + mlxsw_core->lag.mapping[index] = 0; + } +} +EXPORT_SYMBOL(mlxsw_core_lag_mapping_clear); + int mlxsw_cmd_exec(struct mlxsw_core *mlxsw_core, u16 opcode, u8 opcode_mod, u32 in_mod, bool out_mbox_direct, char *in_mbox, size_t in_mbox_size, |