diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index bcd7251385e3..a8cff78c7029 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -1392,6 +1392,73 @@ void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core, } EXPORT_SYMBOL(mlxsw_core_event_listener_unregister); +static int mlxsw_core_listener_register(struct mlxsw_core *mlxsw_core, + const struct mlxsw_listener *listener, + void *priv) +{ + if (listener->is_event) + return mlxsw_core_event_listener_register(mlxsw_core, + &listener->u.event_listener, + priv); + else + return mlxsw_core_rx_listener_register(mlxsw_core, + &listener->u.rx_listener, + priv); +} + +static void mlxsw_core_listener_unregister(struct mlxsw_core *mlxsw_core, + const struct mlxsw_listener *listener, + void *priv) +{ + if (listener->is_event) + mlxsw_core_event_listener_unregister(mlxsw_core, + &listener->u.event_listener, + priv); + else + mlxsw_core_rx_listener_unregister(mlxsw_core, + &listener->u.rx_listener, + priv); +} + +int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core, + const struct mlxsw_listener *listener, void *priv) +{ + char hpkt_pl[MLXSW_REG_HPKT_LEN]; + int err; + + err = mlxsw_core_listener_register(mlxsw_core, listener, priv); + if (err) + return err; + + mlxsw_reg_hpkt_pack(hpkt_pl, listener->action, listener->trap_id); + err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(hpkt), hpkt_pl); + if (err) + goto err_trap_set; + + return 0; + +err_trap_set: + mlxsw_core_listener_unregister(mlxsw_core, listener, priv); + return err; +} +EXPORT_SYMBOL(mlxsw_core_trap_register); + +void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core, + const struct mlxsw_listener *listener, + void *priv) +{ + char hpkt_pl[MLXSW_REG_HPKT_LEN]; + + if (!listener->is_event) { + mlxsw_reg_hpkt_pack(hpkt_pl, listener->unreg_action, + listener->trap_id); + mlxsw_reg_write(mlxsw_core, MLXSW_REG(hpkt), hpkt_pl); + } + + mlxsw_core_listener_unregister(mlxsw_core, listener, priv); +} +EXPORT_SYMBOL(mlxsw_core_trap_unregister); + static u64 mlxsw_core_tid_get(struct mlxsw_core *mlxsw_core) { return atomic64_inc_return(&mlxsw_core->emad.tid); diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h index 3de8955a26fd..66d97c495309 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.h +++ b/drivers/net/ethernet/mellanox/mlxsw/core.h @@ -90,6 +90,17 @@ struct mlxsw_event_listener { enum mlxsw_event_trap_id trap_id; }; +struct mlxsw_listener { + u16 trap_id; + union { + struct mlxsw_rx_listener rx_listener; + struct mlxsw_event_listener event_listener; + } u; + enum mlxsw_reg_hpkt_action action; + enum mlxsw_reg_hpkt_action unreg_action; + bool is_event; +}; + int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core, const struct mlxsw_rx_listener *rxl, void *priv); @@ -104,6 +115,13 @@ void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core, const struct mlxsw_event_listener *el, void *priv); +int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core, + const struct mlxsw_listener *listener, + void *priv); +void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core, + const struct mlxsw_listener *listener, + void *priv); + typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload, size_t payload_len, unsigned long cb_priv);