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mlxsw: core: Add devlink port splitter callbacks 

Add middle layer in mlxsw core code to forward port split/unsplit calls
into specific ASIC drivers.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2016-02-26 17:32:27 +01:00 committed by David S. Miller
parent c4745500e9
commit 284ef80357
2 changed files with 35 additions and 1 deletions
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34
drivers/net/ethernet/mellanox/mlxsw/core.c
View File

@ -785,6 +785,38 @@ static void mlxsw_core_debugfs_fini(struct mlxsw_core *mlxsw_core)
debugfs_remove_recursive(mlxsw_core->dbg_dir);
}
static int mlxsw_devlink_port_split(struct devlink *devlink,
unsigned int port_index,
unsigned int count)
{
struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
if (port_index >= MLXSW_PORT_MAX_PORTS)
return -EINVAL;
if (!mlxsw_core->driver->port_split)
return -EOPNOTSUPP;
return mlxsw_core->driver->port_split(mlxsw_core->driver_priv,
port_index, count);
}
static int mlxsw_devlink_port_unsplit(struct devlink *devlink,
unsigned int port_index)
{
struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
if (port_index >= MLXSW_PORT_MAX_PORTS)
return -EINVAL;
if (!mlxsw_core->driver->port_unsplit)
return -EOPNOTSUPP;
return mlxsw_core->driver->port_unsplit(mlxsw_core->driver_priv,
port_index);
}
static const struct devlink_ops mlxsw_devlink_ops = {
.port_split = mlxsw_devlink_port_split,
.port_unsplit = mlxsw_devlink_port_unsplit,
};
int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
const struct mlxsw_bus *mlxsw_bus,
void *bus_priv)
@ -800,7 +832,7 @@ int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
if (!mlxsw_driver)
return -EINVAL;
alloc_size = sizeof(*mlxsw_core) + mlxsw_driver->priv_size;
devlink = devlink_alloc(NULL, alloc_size);
devlink = devlink_alloc(&mlxsw_devlink_ops, alloc_size);
if (!devlink) {
err = -ENOMEM;
goto err_devlink_alloc;

2
drivers/net/ethernet/mellanox/mlxsw/core.h
View File

@ -186,6 +186,8 @@ struct mlxsw_driver {
int (*init)(void *driver_priv, struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info);
void (*fini)(void *driver_priv);
int (*port_split)(void *driver_priv, u8 local_port, unsigned int count);
int (*port_unsplit)(void *driver_priv, u8 local_port);
void (*txhdr_construct)(struct sk_buff *skb,
const struct mlxsw_tx_info *tx_info);
u8 txhdr_len;