Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ec9436ba authored by Florian Fainelli's avatar Florian Fainelli Committed by David S. Miller
Browse files

net: dsa: allow drivers to do link adjustment 



Whenever libphy determines that the link status of a given PHY/port has
changed, allow to call into the switch driver link adjustment callback
so proper actions can be taken care of by the switch driver upon link
notification.

Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5aed85ce

include/net/dsa.h

+7 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/timer.h>

#include <linux/workqueue.h>

#include <linux/of.h>

#include <linux/phy.h>



#define DSA_MAX_SWITCHES	4

#define DSA_MAX_PORTS		12
@@ -181,6 +182,12 @@ struct dsa_switch_driver { 
	 */

	void	(*poll_link)(struct dsa_switch *ds);



	/*

	 * Link state adjustment (called from libphy)

	 */

	void	(*adjust_link)(struct dsa_switch *ds, int port,

				struct phy_device *phydev);



	/*

	 * ethtool hardware statistics.

	 */

net/dsa/slave.c

+4 −0
Original line number Diff line number Diff line
@@ -333,6 +333,7 @@ static const struct dsa_device_ops notag_netdev_ops = { 
static void dsa_slave_adjust_link(struct net_device *dev)

{

	struct dsa_slave_priv *p = netdev_priv(dev);

	struct dsa_switch *ds = p->parent;

	unsigned int status_changed = 0;



	if (p->old_link != p->phy->link) {
@@ -350,6 +351,9 @@ static void dsa_slave_adjust_link(struct net_device *dev) 
		p->old_pause = p->phy->pause;

	}



	if (ds->drv->adjust_link && status_changed)

		ds->drv->adjust_link(ds, p->port, p->phy);



	if (status_changed)

		phy_print_status(p->phy);

}