diff options
Diffstat (limited to 'net/switchdev/switchdev.c')
-rw-r--r-- | net/switchdev/switchdev.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index 7e1357db33d7..362413c9b389 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c | |||
@@ -174,48 +174,6 @@ static int switchdev_deferred_enqueue(struct net_device *dev, | |||
174 | return 0; | 174 | return 0; |
175 | } | 175 | } |
176 | 176 | ||
177 | /** | ||
178 | * switchdev_port_attr_get - Get port attribute | ||
179 | * | ||
180 | * @dev: port device | ||
181 | * @attr: attribute to get | ||
182 | */ | ||
183 | int switchdev_port_attr_get(struct net_device *dev, struct switchdev_attr *attr) | ||
184 | { | ||
185 | const struct switchdev_ops *ops = dev->switchdev_ops; | ||
186 | struct net_device *lower_dev; | ||
187 | struct list_head *iter; | ||
188 | struct switchdev_attr first = { | ||
189 | .id = SWITCHDEV_ATTR_ID_UNDEFINED | ||
190 | }; | ||
191 | int err = -EOPNOTSUPP; | ||
192 | |||
193 | if (ops && ops->switchdev_port_attr_get) | ||
194 | return ops->switchdev_port_attr_get(dev, attr); | ||
195 | |||
196 | if (attr->flags & SWITCHDEV_F_NO_RECURSE) | ||
197 | return err; | ||
198 | |||
199 | /* Switch device port(s) may be stacked under | ||
200 | * bond/team/vlan dev, so recurse down to get attr on | ||
201 | * each port. Return -ENODATA if attr values don't | ||
202 | * compare across ports. | ||
203 | */ | ||
204 | |||
205 | netdev_for_each_lower_dev(dev, lower_dev, iter) { | ||
206 | err = switchdev_port_attr_get(lower_dev, attr); | ||
207 | if (err) | ||
208 | break; | ||
209 | if (first.id == SWITCHDEV_ATTR_ID_UNDEFINED) | ||
210 | first = *attr; | ||
211 | else if (memcmp(&first, attr, sizeof(*attr))) | ||
212 | return -ENODATA; | ||
213 | } | ||
214 | |||
215 | return err; | ||
216 | } | ||
217 | EXPORT_SYMBOL_GPL(switchdev_port_attr_get); | ||
218 | |||
219 | static int __switchdev_port_attr_set(struct net_device *dev, | 177 | static int __switchdev_port_attr_set(struct net_device *dev, |
220 | const struct switchdev_attr *attr, | 178 | const struct switchdev_attr *attr, |
221 | struct switchdev_trans *trans) | 179 | struct switchdev_trans *trans) |