Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2024-12-29 09:12:07 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

net: dsa: add hook to determine whether EEE is supported

Browse Source 
Add a hook to determine whether the switch supports EEE. This will
return false if the switch does not, or true if it does. If the
method is not implemented, we assume (currently) that the switch
supports EEE.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://patch.msgid.link/E1tL144-006cZD-El@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Russell King (Oracle) 2024-12-10 14:18:16 +00:00 committed by Jakub Kicinski
parent 66c366392e
commit 9723a77318
2 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/net/dsa.h
View File

@ -988,6 +988,7 @@ struct dsa_switch_ops {
/*
* Port's MAC EEE settings
*/
bool (*support_eee)(struct dsa_switch *ds, int port);
int (*set_mac_eee)(struct dsa_switch *ds, int port,
struct ethtool_keee *e);
int (*get_mac_eee)(struct dsa_switch *ds, int port,

8
net/dsa/user.c
View File

@ -1229,6 +1229,10 @@ static int dsa_user_set_eee(struct net_device *dev, struct ethtool_keee *e)
struct dsa_switch *ds = dp->ds;
int ret;
/* Check whether the switch supports EEE */
if (ds->ops->support_eee && !ds->ops->support_eee(ds, dp->index))
return -EOPNOTSUPP;
/* Port's PHY and MAC both need to be EEE capable */
if (!dev->phydev)
return -ENODEV;
@ -1249,6 +1253,10 @@ static int dsa_user_get_eee(struct net_device *dev, struct ethtool_keee *e)
struct dsa_switch *ds = dp->ds;
int ret;
/* Check whether the switch supports EEE */
if (ds->ops->support_eee && !ds->ops->support_eee(ds, dp->index))
return -EOPNOTSUPP;
/* Port's PHY and MAC both need to be EEE capable */
if (!dev->phydev)
return -ENODEV;