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mlxsw: core: Add devlink shared buffer occupancy callbacks 

Add middle layer in mlxsw core code to forward shared buffer occupancy
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 18:19:25 +02:00 committed by David S. Miller
parent 0f433fa0ec
commit 1ceecc88d2
2 changed files with 77 additions and 8 deletions
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74
drivers/net/ethernet/mellanox/mlxsw/core.c
View File

@ -911,15 +911,73 @@ mlxsw_devlink_sb_tc_pool_bind_set(struct devlink_port *devlink_port,
pool_index, threshold);
}
static int mlxsw_devlink_sb_occ_snapshot(struct devlink *devlink,
unsigned int sb_index)
{
struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
struct mlxsw_driver *mlxsw_driver = mlxsw_core->driver;
if (!mlxsw_driver->sb_occ_snapshot)
return -EOPNOTSUPP;
return mlxsw_driver->sb_occ_snapshot(mlxsw_core, sb_index);
}
static int mlxsw_devlink_sb_occ_max_clear(struct devlink *devlink,
unsigned int sb_index)
{
struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
struct mlxsw_driver *mlxsw_driver = mlxsw_core->driver;
if (!mlxsw_driver->sb_occ_max_clear)
return -EOPNOTSUPP;
return mlxsw_driver->sb_occ_max_clear(mlxsw_core, sb_index);
}
static int
mlxsw_devlink_sb_occ_port_pool_get(struct devlink_port *devlink_port,
unsigned int sb_index, u16 pool_index,
u32 *p_cur, u32 *p_max)
{
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_occ_port_pool_get)
return -EOPNOTSUPP;
return mlxsw_driver->sb_occ_port_pool_get(mlxsw_core_port, sb_index,
pool_index, p_cur, p_max);
}
static int
mlxsw_devlink_sb_occ_tc_port_bind_get(struct devlink_port *devlink_port,
unsigned int sb_index, u16 tc_index,
enum devlink_sb_pool_type pool_type,
u32 *p_cur, u32 *p_max)
{
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_occ_tc_port_bind_get)
return -EOPNOTSUPP;
return mlxsw_driver->sb_occ_tc_port_bind_get(mlxsw_core_port,
sb_index, tc_index,
pool_type, p_cur, p_max);
}
static const struct devlink_ops mlxsw_devlink_ops = {
.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,
.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,
.sb_occ_snapshot = mlxsw_devlink_sb_occ_snapshot,
.sb_occ_max_clear = mlxsw_devlink_sb_occ_max_clear,
.sb_occ_port_pool_get = mlxsw_devlink_sb_occ_port_pool_get,
.sb_occ_tc_port_bind_get = mlxsw_devlink_sb_occ_tc_port_bind_get,
};
int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,

11
drivers/net/ethernet/mellanox/mlxsw/core.h
View File

@ -229,6 +229,17 @@ struct mlxsw_driver {
unsigned int sb_index, u16 tc_index,
enum devlink_sb_pool_type pool_type,
u16 pool_index, u32 threshold);
int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core,
unsigned int sb_index);
int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core,
unsigned int sb_index);
int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port,
unsigned int sb_index, u16 pool_index,
u32 *p_cur, u32 *p_max);
int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port,
unsigned int sb_index, u16 tc_index,
enum devlink_sb_pool_type pool_type,
u32 *p_cur, u32 *p_max);
void (*txhdr_construct)(struct sk_buff *skb,
const struct mlxsw_tx_info *tx_info);
u8 txhdr_len;