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mlxsw: core: Add devlink shared buffer callbacks

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Add middle layer in mlxsw core code to forward shared buffer calls
into specific ASIC drivers.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2016-04-14 18:19:15 +02:00 committed by David S. Miller
parent df38dafd25
commit a6179bf0d1
2 changed files with 123 additions and 2 deletions
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105
drivers/net/ethernet/mellanox/mlxsw/core.c
View File

@ -816,9 +816,110 @@ static int mlxsw_devlink_port_unsplit(struct devlink *devlink,
return mlxsw_core->driver->port_unsplit(mlxsw_core, port_index);
}
static int
mlxsw_devlink_sb_pool_get(struct devlink *devlink,
unsigned int sb_index, u16 pool_index,
struct devlink_sb_pool_info *pool_info)
{
struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
struct mlxsw_driver *mlxsw_driver = mlxsw_core->driver;
if (!mlxsw_driver->sb_pool_get)
return -EOPNOTSUPP;
return mlxsw_driver->sb_pool_get(mlxsw_core, sb_index,
pool_index, pool_info);
}
static int
mlxsw_devlink_sb_pool_set(struct devlink *devlink,
unsigned int sb_index, u16 pool_index, u32 size,
enum devlink_sb_threshold_type threshold_type)
{
struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
struct mlxsw_driver *mlxsw_driver = mlxsw_core->driver;
if (!mlxsw_driver->sb_pool_set)
return -EOPNOTSUPP;
return mlxsw_driver->sb_pool_set(mlxsw_core, sb_index,
pool_index, size, threshold_type);
}
static void *__dl_port(struct devlink_port *devlink_port)
{
return container_of(devlink_port, struct mlxsw_core_port, devlink_port);
}
static int mlxsw_devlink_sb_port_pool_get(struct devlink_port *devlink_port,
unsigned int sb_index, u16 pool_index,
u32 *p_threshold)
{
struct mlxsw_core *mlxsw_core = devlink_priv(devlink_port->devlink);
struct mlxsw_driver *mlxsw_driver = mlxsw_core->driver;
struct mlxsw_core_port *mlxsw_core_port = __dl_port(devlink_port);
if (!mlxsw_driver->sb_port_pool_get)
return -EOPNOTSUPP;
return mlxsw_driver->sb_port_pool_get(mlxsw_core_port, sb_index,
pool_index, p_threshold);
}
static int mlxsw_devlink_sb_port_pool_set(struct devlink_port *devlink_port,
unsigned int sb_index, u16 pool_index,
u32 threshold)
{
struct mlxsw_core *mlxsw_core = devlink_priv(devlink_port->devlink);
struct mlxsw_driver *mlxsw_driver = mlxsw_core->driver;
struct mlxsw_core_port *mlxsw_core_port = __dl_port(devlink_port);
if (!mlxsw_driver->sb_port_pool_set)
return -EOPNOTSUPP;
return mlxsw_driver->sb_port_pool_set(mlxsw_core_port, sb_index,
pool_index, threshold);
}
static int
mlxsw_devlink_sb_tc_pool_bind_get(struct devlink_port *devlink_port,
unsigned int sb_index, u16 tc_index,
enum devlink_sb_pool_type pool_type,
u16 *p_pool_index, u32 *p_threshold)
{
struct mlxsw_core *mlxsw_core = devlink_priv(devlink_port->devlink);
struct mlxsw_driver *mlxsw_driver = mlxsw_core->driver;
struct mlxsw_core_port *mlxsw_core_port = __dl_port(devlink_port);
if (!mlxsw_driver->sb_tc_pool_bind_get)
return -EOPNOTSUPP;
return mlxsw_driver->sb_tc_pool_bind_get(mlxsw_core_port, sb_index,
tc_index, pool_type,
p_pool_index, p_threshold);
}
static int
mlxsw_devlink_sb_tc_pool_bind_set(struct devlink_port *devlink_port,
unsigned int sb_index, u16 tc_index,
enum devlink_sb_pool_type pool_type,
u16 pool_index, u32 threshold)
{
struct mlxsw_core *mlxsw_core = devlink_priv(devlink_port->devlink);
struct mlxsw_driver *mlxsw_driver = mlxsw_core->driver;
struct mlxsw_core_port *mlxsw_core_port = __dl_port(devlink_port);
if (!mlxsw_driver->sb_tc_pool_bind_set)
return -EOPNOTSUPP;
return mlxsw_driver->sb_tc_pool_bind_set(mlxsw_core_port, sb_index,
tc_index, pool_type,
pool_index, threshold);
}
static const struct devlink_ops mlxsw_devlink_ops = {
.port_split = mlxsw_devlink_port_split,
.port_unsplit = mlxsw_devlink_port_unsplit,
.port_split = mlxsw_devlink_port_split,
.port_unsplit = mlxsw_devlink_port_unsplit,
.sb_pool_get = mlxsw_devlink_sb_pool_get,
.sb_pool_set = mlxsw_devlink_sb_pool_set,
.sb_port_pool_get = mlxsw_devlink_sb_port_pool_get,
.sb_port_pool_set = mlxsw_devlink_sb_port_pool_set,
.sb_tc_pool_bind_get = mlxsw_devlink_sb_tc_pool_bind_get,
.sb_tc_pool_bind_set = mlxsw_devlink_sb_tc_pool_bind_set,
};
int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,

20
drivers/net/ethernet/mellanox/mlxsw/core.h
View File

@ -200,6 +200,26 @@ struct mlxsw_driver {
int (*port_split)(struct mlxsw_core *mlxsw_core, u8 local_port,
unsigned int count);
int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u8 local_port);
int (*sb_pool_get)(struct mlxsw_core *mlxsw_core,
unsigned int sb_index, u16 pool_index,
struct devlink_sb_pool_info *pool_info);
int (*sb_pool_set)(struct mlxsw_core *mlxsw_core,
unsigned int sb_index, u16 pool_index, u32 size,
enum devlink_sb_threshold_type threshold_type);
int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port,
unsigned int sb_index, u16 pool_index,
u32 *p_threshold);
int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port,
unsigned int sb_index, u16 pool_index,
u32 threshold);
int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port,
unsigned int sb_index, u16 tc_index,
enum devlink_sb_pool_type pool_type,
u16 *p_pool_index, u32 *p_threshold);
int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port,
unsigned int sb_index, u16 tc_index,
enum devlink_sb_pool_type pool_type,
u16 pool_index, u32 threshold);
void (*txhdr_construct)(struct sk_buff *skb,
const struct mlxsw_tx_info *tx_info);
u8 txhdr_len;