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net: remove iflink field from struct net_device

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Now that all users of iflink have the ndo_get_iflink handler available, it's
possible to remove this field.

By default, dev_get_iflink() returns the ifindex of the interface.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2015-04-02 17:07:09 +02:00 committed by David S. Miller
parent abd2be00d4
commit 7a66bbc96c
2 changed files with 3 additions and 13 deletions
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3
include/linux/netdevice.h
View File

@ -1538,7 +1538,7 @@ struct net_device {
netdev_features_t mpls_features;
int ifindex;
int iflink;
int group;
struct net_device_stats stats;
@ -1741,7 +1741,6 @@ struct net_device {
#endif
struct phy_device *phydev;
struct lock_class_key *qdisc_tx_busylock;
int group;
struct pm_qos_request pm_qos_req;
};
#define to_net_dev(d) container_of(d, struct net_device, dev)

13
net/core/dev.c
View File

@ -672,7 +672,7 @@ int dev_get_iflink(const struct net_device *dev)
if (dev->netdev_ops && dev->netdev_ops->ndo_get_iflink)
return dev->netdev_ops->ndo_get_iflink(dev);
return dev->iflink;
return dev->ifindex;
}
EXPORT_SYMBOL(dev_get_iflink);
@ -6331,8 +6331,6 @@ int register_netdevice(struct net_device *dev)
spin_lock_init(&dev->addr_list_lock);
netdev_set_addr_lockdep_class(dev);
dev->iflink = -1;
ret = dev_get_valid_name(net, dev, dev->name);
if (ret < 0)
goto out;
@ -6362,9 +6360,6 @@ int register_netdevice(struct net_device *dev)
else if (__dev_get_by_index(net, dev->ifindex))
goto err_uninit;
if (dev_get_iflink(dev) == -1)
dev->iflink = dev->ifindex;
/* Transfer changeable features to wanted_features and enable
* software offloads (GSO and GRO).
*/
@ -7077,12 +7072,8 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
dev_net_set(dev, net);
/* If there is an ifindex conflict assign a new one */
if (__dev_get_by_index(net, dev->ifindex)) {
int iflink = (dev_get_iflink(dev) == dev->ifindex);
if (__dev_get_by_index(net, dev->ifindex))
dev->ifindex = dev_new_index(net);
if (iflink)
dev->iflink = dev->ifindex;
}
/* Send a netdev-add uevent to the new namespace */
kobject_uevent(&dev->dev.kobj, KOBJ_ADD);