mlxsw: spectrum: Use generic listener struct for events

Change the events to use the generic listener struct.
Merge the event list into the trap list, so the same functions will
handle both.
Signed-off-by: NNogah Frankel <nogahf@mellanox.com>
Signed-off-by: NJiri Pirko <jiri@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/spectrum.c

@@ -2698,52 +2698,6 @@ static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg,
 	}
 }
 
-static struct mlxsw_event_listener mlxsw_sp_pude_event = {
-	.func = mlxsw_sp_pude_event_func,
-	.trap_id = MLXSW_TRAP_ID_PUDE,
-};
-
-static int mlxsw_sp_event_register(struct mlxsw_sp *mlxsw_sp,
-				   enum mlxsw_event_trap_id trap_id)
-{
-	struct mlxsw_event_listener *el;
-	char hpkt_pl[MLXSW_REG_HPKT_LEN];
-	int err;
-
-	switch (trap_id) {
-	case MLXSW_TRAP_ID_PUDE:
-		el = &mlxsw_sp_pude_event;
-		break;
-	}
-	err = mlxsw_core_event_listener_register(mlxsw_sp->core, el, mlxsw_sp);
-	if (err)
-		return err;
-
-	mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_FORWARD, trap_id);
-	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl);
-	if (err)
-		goto err_event_trap_set;
-
-	return 0;
-
-err_event_trap_set:
-	mlxsw_core_event_listener_unregister(mlxsw_sp->core, el, mlxsw_sp);
-	return err;
-}
-
-static void mlxsw_sp_event_unregister(struct mlxsw_sp *mlxsw_sp,
-				      enum mlxsw_event_trap_id trap_id)
-{
-	struct mlxsw_event_listener *el;
-
-	switch (trap_id) {
-	case MLXSW_TRAP_ID_PUDE:
-		el = &mlxsw_sp_pude_event;
-		break;
-	}
-	mlxsw_core_event_listener_unregister(mlxsw_sp->core, el, mlxsw_sp);
-}
-
 static void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb,
 					      u8 local_port, void *priv)
 {
@@ -2784,7 +2738,9 @@ static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u8 local_port,
 	MLXSW_RXL(mlxsw_sp_rx_listener_mark_func, _trap_id, _action,	\
 		  DISCARD)
 
-static const struct mlxsw_listener mlxsw_sp_rx_listener[] = {
+static const struct mlxsw_listener mlxsw_sp_listener[] = {
+	/* Events */
+	MLXSW_EVENTL(mlxsw_sp_pude_event_func, PUDE),
 	/* L2 traps */
 	MLXSW_SP_RXL_NO_MARK(STP, TRAP_TO_CPU),
 	MLXSW_SP_RXL_NO_MARK(LACP, TRAP_TO_CPU),
@@ -2823,20 +2779,20 @@ static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp)
 	if (err)
 		return err;
 
-	for (i = 0; i < ARRAY_SIZE(mlxsw_sp_rx_listener); i++) {
+	for (i = 0; i < ARRAY_SIZE(mlxsw_sp_listener); i++) {
 		err = mlxsw_core_trap_register(mlxsw_sp->core,
-					       &mlxsw_sp_rx_listener[i],
+					       &mlxsw_sp_listener[i],
 					       mlxsw_sp);
 		if (err)
-			goto err_rx_listener_register;
+			goto err_listener_register;
 
 	}
 	return 0;
 
-err_rx_listener_register:
+err_listener_register:
 	for (i--; i >= 0; i--) {
 		mlxsw_core_trap_unregister(mlxsw_sp->core,
-					   &mlxsw_sp_rx_listener[i],
+					   &mlxsw_sp_listener[i],
 					   mlxsw_sp);
 	}
 	return err;
@@ -2846,9 +2802,9 @@ static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp)
 {
 	int i;
 
-	for (i = 0; i < ARRAY_SIZE(mlxsw_sp_rx_listener); i++) {
+	for (i = 0; i < ARRAY_SIZE(mlxsw_sp_listener); i++) {
 		mlxsw_core_trap_unregister(mlxsw_sp->core,
-					   &mlxsw_sp_rx_listener[i],
+					   &mlxsw_sp_listener[i],
 					   mlxsw_sp);
 	}
 }
@@ -2952,16 +2908,10 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
 		return err;
 	}
 
-	err = mlxsw_sp_event_register(mlxsw_sp, MLXSW_TRAP_ID_PUDE);
-	if (err) {
-		dev_err(mlxsw_sp->bus_info->dev, "Failed to register for PUDE events\n");
-		return err;
-	}
-
 	err = mlxsw_sp_traps_init(mlxsw_sp);
 	if (err) {
-		dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps for RX\n");
-		goto err_rx_listener_register;
+		dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps\n");
+		return err;
 	}
 
 	err = mlxsw_sp_flood_init(mlxsw_sp);
@@ -3021,8 +2971,6 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
 err_buffers_init:
 err_flood_init:
 	mlxsw_sp_traps_fini(mlxsw_sp);
-err_rx_listener_register:
-	mlxsw_sp_event_unregister(mlxsw_sp, MLXSW_TRAP_ID_PUDE);
 	return err;
 }
 
@@ -3037,7 +2985,6 @@ static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core)
 	mlxsw_sp_lag_fini(mlxsw_sp);
 	mlxsw_sp_buffers_fini(mlxsw_sp);
 	mlxsw_sp_traps_fini(mlxsw_sp);
-	mlxsw_sp_event_unregister(mlxsw_sp, MLXSW_TRAP_ID_PUDE);
 	WARN_ON(!list_empty(&mlxsw_sp->vfids.list));
 	WARN_ON(!list_empty(&mlxsw_sp->fids));
 }