Commit 9c5a1706 authored by Russell King (Oracle)'s avatar Russell King (Oracle) Committed by Jakub Kicinski
Browse files

net: phylink: add phylink_get_link_timer_ns() helper 



Add a helper to convert the PHY interface mode to the required link
timer setting as stated by the appropriate standard. Inappropriate
interface modes return an error.

Signed-off-by: default avatarRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 23f23259

include/linux/phylink.h

+24 −0
Original line number Diff line number Diff line
@@ -616,6 +616,30 @@ int phylink_speed_up(struct phylink *pl); 


void phylink_set_port_modes(unsigned long *bits);



/**

 * phylink_get_link_timer_ns - return the PCS link timer value

 * @interface: link &typedef phy_interface_t mode

 *

 * Return the PCS link timer setting in nanoseconds for the PHY @interface

 * mode, or -EINVAL if not appropriate.

 */

static inline int phylink_get_link_timer_ns(phy_interface_t interface)

{

	switch (interface) {

	case PHY_INTERFACE_MODE_SGMII:

	case PHY_INTERFACE_MODE_QSGMII:

	case PHY_INTERFACE_MODE_USXGMII:

		return 1600000;



	case PHY_INTERFACE_MODE_1000BASEX:

	case PHY_INTERFACE_MODE_2500BASEX:

		return 10000000;



	default:

		return -EINVAL;

	}

}



void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state,

				      u16 bmsr, u16 lpa);

void phylink_mii_c22_pcs_get_state(struct mdio_device *pcs,