Commit be6ec5b7 authored by Russell King (Oracle)'s avatar Russell King (Oracle) Committed by David S. Miller
Browse files

net: xpcs: add support for retrieving supported interface modes 



Add a function to the xpcs driver to retrieve the supported PHY
interface modes, which can be used by drivers to fill in phylink's
supported_interfaces mask.

We validate the interface bit index to ensure that it fits within the
bitmap as xpcs lists PHY_INTERFACE_MODE_MAX in an entry.

Tested-by: default avatarWong Vee Khee &lt;vee.khee.wong@linux.intel.com&gt; # Intel EHL Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3cade91d

drivers/net/pcs/pcs-xpcs.c

+14 −0
Original line number Diff line number Diff line
@@ -662,6 +662,20 @@ void xpcs_validate(struct dw_xpcs *xpcs, unsigned long *supported, 
}

EXPORT_SYMBOL_GPL(xpcs_validate);



void xpcs_get_interfaces(struct dw_xpcs *xpcs, unsigned long *interfaces)

{

	int i, j;



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

		const struct xpcs_compat *compat = &xpcs->id->compat[i];



		for (j = 0; j < compat->num_interfaces; j++)

			if (compat->interface[j] < PHY_INTERFACE_MODE_MAX)

				__set_bit(compat->interface[j], interfaces);

	}

}

EXPORT_SYMBOL_GPL(xpcs_get_interfaces);



int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns, int enable)

{

	int ret;

include/linux/pcs/pcs-xpcs.h

+1 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface, 
		   unsigned int mode);

void xpcs_validate(struct dw_xpcs *xpcs, unsigned long *supported,

		   struct phylink_link_state *state);

void xpcs_get_interfaces(struct dw_xpcs *xpcs, unsigned long *interfaces);

int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns,

		    int enable);

struct dw_xpcs *xpcs_create(struct mdio_device *mdiodev,