net: sparx5: add calendar bandwidth allocation support

This configures the Sparx5 calendars according to the bandwidth
requested in the Device Tree nodes.
It also checks if the total requested bandwidth is within the
specs of the detected Sparx5 models limits.
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Bjarni Jonasson <bjarni.jonasson@microchip.com>
Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/microchip/sparx5/Makefile

@@ -7,4 +7,4 @@ obj-$(CONFIG_SPARX5_SWITCH) += sparx5-switch.o
 
 sparx5-switch-objs  := sparx5_main.o sparx5_packet.o \
  sparx5_netdev.o sparx5_phylink.o sparx5_port.o sparx5_mactable.o sparx5_vlan.o \
- sparx5_switchdev.o
+ sparx5_switchdev.o sparx5_calendar.o

drivers/net/ethernet/microchip/sparx5/sparx5_main.c

@@ -606,7 +606,14 @@ static int sparx5_start(struct sparx5 *sparx5)
 	/* Enable queue limitation watermarks */
 	sparx5_qlim_set(sparx5);
 
-	/* Resource calendar support to be added in later patches */
+	err = sparx5_config_auto_calendar(sparx5);
+	if (err)
+		return err;
+
+	err = sparx5_config_dsm_calendar(sparx5);
+	if (err)
+		return err;
+
 
 	/* Init mact_sw struct */
 	mutex_init(&sparx5->mact_lock);

drivers/net/ethernet/microchip/sparx5/sparx5_main.h

@@ -199,6 +199,10 @@ int sparx5_vlan_vid_add(struct sparx5_port *port, u16 vid, bool pvid,
 int sparx5_vlan_vid_del(struct sparx5_port *port, u16 vid);
 void sparx5_vlan_port_apply(struct sparx5 *sparx5, struct sparx5_port *port);
 
+/* sparx5_calendar.c */
+int sparx5_config_auto_calendar(struct sparx5 *sparx5);
+int sparx5_config_dsm_calendar(struct sparx5 *sparx5);
+
 /* sparx5_netdev.c */
 bool sparx5_netdevice_check(const struct net_device *dev);
 struct net_device *sparx5_create_netdev(struct sparx5 *sparx5, u32 portno);