diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 754284873355..ed9aa4a91f1f 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1589,6 +1589,7 @@ const char *netdev_cmd_to_name(enum netdev_cmd cmd) N(UDP_TUNNEL_DROP_INFO) N(CHANGE_TX_QUEUE_LEN) N(CVLAN_FILTER_PUSH_INFO) N(CVLAN_FILTER_DROP_INFO) N(SVLAN_FILTER_PUSH_INFO) N(SVLAN_FILTER_DROP_INFO) + N(PRE_CHANGEADDR) } #undef N return "UNKNOWN_NETDEV_EVENT"; @@ -7756,13 +7757,36 @@ void dev_set_group(struct net_device *dev, int new_group) EXPORT_SYMBOL(dev_set_group); /** + * dev_pre_changeaddr_notify - Call NETDEV_PRE_CHANGEADDR. + * @dev: device + * @addr: new address + * @extack: netlink extended ack + */ +int dev_pre_changeaddr_notify(struct net_device *dev, const char *addr, + struct netlink_ext_ack *extack) +{ + struct netdev_notifier_pre_changeaddr_info info = { + .info.dev = dev, + .info.extack = extack, + .dev_addr = addr, + }; + int rc; + + rc = call_netdevice_notifiers_info(NETDEV_PRE_CHANGEADDR, &info.info); + return notifier_to_errno(rc); +} +EXPORT_SYMBOL(dev_pre_changeaddr_notify); + +/** * dev_set_mac_address - Change Media Access Control Address * @dev: device * @sa: new address + * @extack: netlink extended ack * * Change the hardware (MAC) address of the device */ -int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa) +int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa, + struct netlink_ext_ack *extack) { const struct net_device_ops *ops = dev->netdev_ops; int err; @@ -7773,6 +7797,9 @@ int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa) return -EINVAL; if (!netif_device_present(dev)) return -ENODEV; + err = dev_pre_changeaddr_notify(dev, sa->sa_data, extack); + if (err) + return err; err = ops->ndo_set_mac_address(dev, sa); if (err) return err; |