net: lan966x: Add initial VCAP
authorHoratiu Vultur <horatiu.vultur@microchip.com>
Fri, 25 Nov 2022 09:50:04 +0000 (10:50 +0100)
committerPaolo Abeni <pabeni@redhat.com>
Tue, 29 Nov 2022 12:08:23 +0000 (13:08 +0100)
When lan966x driver is initialized, initialize also the VCAP module for
lan966x.

Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
drivers/net/ethernet/microchip/lan966x/Kconfig
drivers/net/ethernet/microchip/lan966x/Makefile
drivers/net/ethernet/microchip/lan966x/lan966x_main.c
drivers/net/ethernet/microchip/lan966x/lan966x_main.h
drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c [new file with mode: 0644]

index b7ae5ce..8bcd60f 100644 (file)
@@ -8,5 +8,6 @@ config LAN966X_SWITCH
        select PHYLINK
        select PACKING
        select PAGE_POOL
+       select VCAP
        help
          This driver supports the Lan966x network switch device.
index 251a7d5..2c27784 100644 (file)
@@ -12,4 +12,7 @@ lan966x-switch-objs  := lan966x_main.o lan966x_phylink.o lan966x_port.o \
                        lan966x_tc.o lan966x_mqprio.o lan966x_taprio.o \
                        lan966x_tbf.o lan966x_cbs.o lan966x_ets.o \
                        lan966x_tc_matchall.o lan966x_police.o lan966x_mirror.o \
-                       lan966x_xdp.o
+                       lan966x_xdp.o lan966x_vcap_impl.o
+
+# Provide include files
+ccflags-y += -I$(srctree)/drivers/net/ethernet/microchip/vcap
index 0aed244..24d7d7d 100644 (file)
@@ -1157,8 +1157,15 @@ static int lan966x_probe(struct platform_device *pdev)
        if (err)
                goto cleanup_ptp;
 
+       err = lan966x_vcap_init(lan966x);
+       if (err)
+               goto cleanup_fdma;
+
        return 0;
 
+cleanup_fdma:
+       lan966x_fdma_deinit(lan966x);
+
 cleanup_ptp:
        lan966x_ptp_deinit(lan966x);
 
@@ -1182,6 +1189,7 @@ static int lan966x_remove(struct platform_device *pdev)
        struct lan966x *lan966x = platform_get_drvdata(pdev);
 
        lan966x_taprio_deinit(lan966x);
+       lan966x_vcap_deinit(lan966x);
        lan966x_fdma_deinit(lan966x);
        lan966x_cleanup_ports(lan966x);
 
index a0170a3..1b3fa27 100644 (file)
@@ -300,6 +300,9 @@ struct lan966x {
        struct lan966x_port *mirror_monitor;
        u32 mirror_mask[2];
        u32 mirror_count;
+
+       /* vcap */
+       struct vcap_control *vcap_ctrl;
 };
 
 struct lan966x_port_config {
@@ -582,6 +585,9 @@ static inline bool lan966x_xdp_port_present(struct lan966x_port *port)
        return !!port->xdp_prog;
 }
 
+int lan966x_vcap_init(struct lan966x *lan966x);
+void lan966x_vcap_deinit(struct lan966x *lan966x);
+
 static inline void __iomem *lan_addr(void __iomem *base[],
                                     int id, int tinst, int tcnt,
                                     int gbase, int ginst,
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c b/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c
new file mode 100644 (file)
index 0000000..8d89cfc
--- /dev/null
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include "lan966x_main.h"
+#include "vcap_api.h"
+
+int lan966x_vcap_init(struct lan966x *lan966x)
+{
+       struct vcap_control *ctrl;
+
+       ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
+       if (!ctrl)
+               return -ENOMEM;
+
+       lan966x->vcap_ctrl = ctrl;
+
+       return 0;
+}
+
+void lan966x_vcap_deinit(struct lan966x *lan966x)
+{
+       struct vcap_control *ctrl;
+
+       ctrl = lan966x->vcap_ctrl;
+       if (!ctrl)
+               return;
+
+       kfree(ctrl);
+}