Commit 60611652 authored by Sean Anderson's avatar Sean Anderson Committed by David S. Miller
Browse files

net: phylink: Export phylink_caps_to_linkmodes 



This function is convenient for MAC drivers. They can use it to add or
remove particular link modes based on capabilities (such as if half
duplex is not supported for a particular interface mode).

Signed-off-by: default avatarSean Anderson <sean.anderson@seco.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 72bc3695

drivers/net/phy/phylink.c

+10 −2
Original line number Diff line number Diff line
@@ -155,8 +155,15 @@ static const char *phylink_an_mode_str(unsigned int mode) 
	return mode < ARRAY_SIZE(modestr) ? modestr[mode] : "unknown";

}



static void phylink_caps_to_linkmodes(unsigned long *linkmodes,

				      unsigned long caps)

/**

 * phylink_caps_to_linkmodes() - Convert capabilities to ethtool link modes

 * @linkmodes: ethtool linkmode mask (must be already initialised)

 * @caps: bitmask of MAC capabilities

 *

 * Set all possible pause, speed and duplex linkmodes in @linkmodes that are

 * supported by the @caps. @linkmodes must have been initialised previously.

 */

void phylink_caps_to_linkmodes(unsigned long *linkmodes, unsigned long caps)

{

	if (caps & MAC_SYM_PAUSE)

		__set_bit(ETHTOOL_LINK_MODE_Pause_BIT, linkmodes);
@@ -295,6 +302,7 @@ static void phylink_caps_to_linkmodes(unsigned long *linkmodes, 
		__set_bit(ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT, linkmodes);

	}

}

EXPORT_SYMBOL_GPL(phylink_caps_to_linkmodes);



/**

 * phylink_get_linkmodes() - get acceptable link modes

include/linux/phylink.h

+1 −0
Original line number Diff line number Diff line
@@ -547,6 +547,7 @@ void pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, 
		 phy_interface_t interface, int speed, int duplex);

#endif



void phylink_caps_to_linkmodes(unsigned long *linkmodes, unsigned long caps);

void phylink_get_linkmodes(unsigned long *linkmodes, phy_interface_t interface,

			   unsigned long mac_capabilities);

void phylink_generic_validate(struct phylink_config *config,