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Commit a1ab91f3 authored by Guenter Roeck's avatar Guenter Roeck Committed by David S. Miller
Browse files

net: dsa/mv88e6123_61_65: Add support for reading switch registers 



The infrastructure can now report switch registers to ethtool.
Add support for it to the mv88e6123_61_65 driver.

Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3d762a0f

drivers/net/dsa/mv88e6123_61_65.c

+2 −0
Original line number Diff line number Diff line
@@ -470,6 +470,8 @@ struct dsa_switch_driver mv88e6123_61_65_switch_driver = { 
#ifdef CONFIG_NET_DSA_HWMON

	.get_temp		= mv88e6123_61_65_get_temp,

#endif

	.get_regs_len		= mv88e6xxx_get_regs_len,

	.get_regs		= mv88e6xxx_get_regs,

};



MODULE_ALIAS("platform:mv88e6123");

drivers/net/dsa/mv88e6xxx.c

+24 −0
Original line number Diff line number Diff line
@@ -499,6 +499,30 @@ void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds, 
	mutex_unlock(&ps->stats_mutex);

}



int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port)

{

	return 32 * sizeof(u16);

}



void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,

			struct ethtool_regs *regs, void *_p)

{

	u16 *p = _p;

	int i;



	regs->version = 0;



	memset(p, 0xff, 32 * sizeof(u16));



	for (i = 0; i < 32; i++) {

		int ret;



		ret = mv88e6xxx_reg_read(ds, REG_PORT(port), i);

		if (ret >= 0)

			p[i] = ret;

	}

}



static int __init mv88e6xxx_init(void)

{

#if IS_ENABLED(CONFIG_NET_DSA_MV88E6131)

drivers/net/dsa/mv88e6xxx.h

+3 −0
Original line number Diff line number Diff line
@@ -78,6 +78,9 @@ void mv88e6xxx_get_strings(struct dsa_switch *ds, 
void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds,

				 int nr_stats, struct mv88e6xxx_hw_stat *stats,

				 int port, uint64_t *data);

int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port);

void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,

			struct ethtool_regs *regs, void *_p);



extern struct dsa_switch_driver mv88e6131_switch_driver;

extern struct dsa_switch_driver mv88e6123_61_65_switch_driver;