diff options
| -rw-r--r-- | include/net/dsa.h | 1 | ||||
| -rw-r--r-- | net/dsa/user.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index 72ae65e7246a..aaa75bbaa0ea 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -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, diff --git a/net/dsa/user.c b/net/dsa/user.c index e1a0b153c353..a74339680010 100644 --- a/net/dsa/user.c +++ b/net/dsa/user.c @@ -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; |