Commit e0305cc1 authored by Steen Hegelund's avatar Steen Hegelund Committed by David S. Miller
Browse files

net: microchip: sparx5: Add VCAP debugFS support 



Add a debugFS root folder for Sparx5 and add a vcap folder underneath with
the VCAP instances and the ports

Signed-off-by: default avatarSteen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 277e9179

drivers/net/ethernet/microchip/sparx5/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ sparx5-switch-y := sparx5_main.o sparx5_packet.o \ 
 sparx5_vcap_impl.o sparx5_vcap_ag_api.o sparx5_tc_flower.o sparx5_tc_matchall.o



sparx5-switch-$(CONFIG_SPARX5_DCB) += sparx5_dcb.o

sparx5-switch-$(CONFIG_DEBUG_FS) += sparx5_vcap_debugfs.o



# Provide include files

ccflags-y += -I$(srctree)/drivers/net/ethernet/microchip/vcap

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

+3 −0
Original line number Diff line number Diff line
@@ -763,6 +763,8 @@ static int mchp_sparx5_probe(struct platform_device *pdev) 
	/* Default values, some from DT */

	sparx5->coreclock = SPX5_CORE_CLOCK_DEFAULT;



	sparx5->debugfs_root = debugfs_create_dir("sparx5", NULL);



	ports = of_get_child_by_name(np, "ethernet-ports");

	if (!ports) {

		dev_err(sparx5->dev, "no ethernet-ports child node found\n");
@@ -906,6 +908,7 @@ static int mchp_sparx5_remove(struct platform_device *pdev) 
{

	struct sparx5 *sparx5 = platform_get_drvdata(pdev);



	debugfs_remove_recursive(sparx5->debugfs_root);

	if (sparx5->xtr_irq) {

		disable_irq(sparx5->xtr_irq);

		sparx5->xtr_irq = -ENXIO;

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

+3 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include <linux/net_tstamp.h>

#include <linux/ptp_clock_kernel.h>

#include <linux/hrtimer.h>

#include <linux/debugfs.h>



#include "sparx5_main_regs.h"
@@ -292,6 +293,8 @@ struct sparx5 { 
	struct vcap_control *vcap_ctrl;

	/* PGID allocation map */

	u8 pgid_map[PGID_TABLE_SIZE];

	/* Common root for debugfs */

	struct dentry *debugfs_root;

};



/* sparx5_switchdev.c */

drivers/net/ethernet/microchip/sparx5/sparx5_vcap_debugfs.c

0 → 100644
+23 −0
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// SPDX-License-Identifier: GPL-2.0+

/* Microchip Sparx5 Switch driver VCAP debugFS implementation

 *

 * Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries.

 */



#include <linux/types.h>

#include <linux/list.h>



#include "sparx5_vcap_debugfs.h"

#include "sparx5_main_regs.h"

#include "sparx5_main.h"

#include "sparx5_vcap_impl.h"

#include "sparx5_vcap_ag_api.h"



/* Provide port information via a callback interface */

int sparx5_port_info(struct net_device *ndev,

		     struct vcap_admin *admin,

		     struct vcap_output_print *out)

{

	/* this will be added later */

	return 0;

}

drivers/net/ethernet/microchip/sparx5/sparx5_vcap_debugfs.h

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+33 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0+ */

/* Microchip Sparx5 Switch driver VCAP implementation

 *

 * Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries.

 */



#ifndef __SPARX5_VCAP_DEBUGFS_H__

#define __SPARX5_VCAP_DEBUGFS_H__



#include <linux/netdevice.h>



#include <vcap_api.h>

#include <vcap_api_client.h>



#if defined(CONFIG_DEBUG_FS)



/* Provide port information via a callback interface */

int sparx5_port_info(struct net_device *ndev,

		     struct vcap_admin *admin,

		     struct vcap_output_print *out);



#else



static inline int sparx5_port_info(struct net_device *ndev,

				   struct vcap_admin *admin,

				   struct vcap_output_print *out)

{

	return 0;

}



#endif



#endif /* __SPARX5_VCAP_DEBUGFS_H__ */