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spectrum: Add a delayed work to update SPAN buffsize according to speed

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When PUDE event is handled and the link is up, update the port SPAN
buffer size according to the current speed.

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 2020-01-20 09:52:53 +02:00 committed by David S. Miller
parent ff9fdfec5f
commit 3a3e627ce0
4 changed files with 24 additions and 0 deletions
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4
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View File

@ -3908,6 +3908,8 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
INIT_DELAYED_WORK(&mlxsw_sp_port->ptp.shaper_dw,
mlxsw_sp->ptp_ops->shaper_work);
INIT_DELAYED_WORK(&mlxsw_sp_port->span.speed_update_dw,
mlxsw_sp_span_speed_update_work);
mlxsw_sp->ports[local_port] = mlxsw_sp_port;
err = register_netdev(dev);
@ -3964,6 +3966,7 @@ static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port)
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
cancel_delayed_work_sync(&mlxsw_sp_port->periodic_hw_stats.update_dw);
cancel_delayed_work_sync(&mlxsw_sp_port->span.speed_update_dw);
cancel_delayed_work_sync(&mlxsw_sp_port->ptp.shaper_dw);
mlxsw_sp_port_ptp_clear(mlxsw_sp_port);
mlxsw_core_port_clear(mlxsw_sp->core, local_port, mlxsw_sp);
@ -4371,6 +4374,7 @@ static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg,
netdev_info(mlxsw_sp_port->dev, "link up\n");
netif_carrier_on(mlxsw_sp_port->dev);
mlxsw_core_schedule_dw(&mlxsw_sp_port->ptp.shaper_dw, 0);
mlxsw_core_schedule_dw(&mlxsw_sp_port->span.speed_update_dw, 0);
} else {
netdev_info(mlxsw_sp_port->dev, "link down\n");
netif_carrier_off(mlxsw_sp_port->dev);

3
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
View File

@ -294,6 +294,9 @@ struct mlxsw_sp_port {
struct mlxsw_sp_ptp_port_stats stats;
} ptp;
u8 split_base_local_port;
struct {
struct delayed_work speed_update_dw;
} span;
};
struct mlxsw_sp_port_type_speed_ops {

16
drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
View File

@ -778,6 +778,22 @@ int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu)
return 0;
}
void mlxsw_sp_span_speed_update_work(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct mlxsw_sp_port *mlxsw_sp_port;
mlxsw_sp_port = container_of(dwork, struct mlxsw_sp_port,
span.speed_update_dw);
/* If port is egress mirrored, the shared buffer size should be
* updated according to the speed value.
*/
if (mlxsw_sp_span_is_egress_mirror(mlxsw_sp_port))
mlxsw_sp_span_port_buffsize_update(mlxsw_sp_port,
mlxsw_sp_port->dev->mtu);
}
static struct mlxsw_sp_span_inspected_port *
mlxsw_sp_span_entry_bound_port_find(struct mlxsw_sp_span_entry *span_entry,
enum mlxsw_sp_span_type type,

1
drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h
View File

@ -74,5 +74,6 @@ void mlxsw_sp_span_entry_invalidate(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_span_entry *span_entry);
int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu);
void mlxsw_sp_span_speed_update_work(struct work_struct *work);
#endif