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Date: Fri, 25 Nov 2022 10:50:04 +0100
From: Horatiu Vultur <horatiu.vultur@...rochip.com>
To: <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>
CC: <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
<pabeni@...hat.com>, <lars.povlsen@...rochip.com>,
<Steen.Hegelund@...rochip.com>, <daniel.machon@...rochip.com>,
<UNGLinuxDriver@...rochip.com>,
Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [PATCH net-next 3/9] net: lan966x: Add initial VCAP
When lan966x driver is initialized, initialize also the VCAP module for
lan966x.
Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
---
.../net/ethernet/microchip/lan966x/Kconfig | 1 +
.../net/ethernet/microchip/lan966x/Makefile | 5 +++-
.../ethernet/microchip/lan966x/lan966x_main.c | 8 ++++++
.../ethernet/microchip/lan966x/lan966x_main.h | 6 ++++
.../microchip/lan966x/lan966x_vcap_impl.c | 28 +++++++++++++++++++
5 files changed, 47 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c
diff --git a/drivers/net/ethernet/microchip/lan966x/Kconfig b/drivers/net/ethernet/microchip/lan966x/Kconfig
index b7ae5ce7d3f7a..8bcd60f17d6d3 100644
--- a/drivers/net/ethernet/microchip/lan966x/Kconfig
+++ b/drivers/net/ethernet/microchip/lan966x/Kconfig
@@ -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.
diff --git a/drivers/net/ethernet/microchip/lan966x/Makefile b/drivers/net/ethernet/microchip/lan966x/Makefile
index 251a7d561d633..2c27784859014 100644
--- a/drivers/net/ethernet/microchip/lan966x/Makefile
+++ b/drivers/net/ethernet/microchip/lan966x/Makefile
@@ -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
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
index 42be5d0f1f015..546f3ad9f2951 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
@@ -1156,8 +1156,15 @@ 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);
@@ -1181,6 +1188,7 @@ 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);
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.h b/drivers/net/ethernet/microchip/lan966x/lan966x_main.h
index bc93051aa0798..eecb1a2bf9a72 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.h
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.h
@@ -290,6 +290,9 @@ struct lan966x {
struct lan966x_port *mirror_monitor;
u32 mirror_mask[2];
u32 mirror_count;
+
+ /* vcap */
+ struct vcap_control *vcap_ctrl;
};
struct lan966x_port_config {
@@ -560,6 +563,9 @@ 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
index 0000000000000..8d89cfcb8502d
--- /dev/null
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c
@@ -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);
+}
--
2.38.0
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