diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index d89875ec21ac..1d5ad053ccf7 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2450,7 +2450,8 @@ enum netdev_cmd { NETDEV_REGISTER, NETDEV_UNREGISTER, NETDEV_CHANGEMTU, /* notify after mtu change happened */ - NETDEV_CHANGEADDR, + NETDEV_CHANGEADDR, /* notify after the address change */ + NETDEV_PRE_CHANGEADDR, /* notify before the address change */ NETDEV_GOING_DOWN, NETDEV_CHANGENAME, NETDEV_FEAT_CHANGE, @@ -2512,6 +2513,11 @@ struct netdev_notifier_changelowerstate_info { void *lower_state_info; /* is lower dev state */ }; +struct netdev_notifier_pre_changeaddr_info { + struct netdev_notifier_info info; /* must be first */ + const unsigned char *dev_addr; +}; + static inline void netdev_notifier_info_init(struct netdev_notifier_info *info, struct net_device *dev) { diff --git a/net/core/dev.c b/net/core/dev.c index 7250a3a73fa4..01497b7d1bdf 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";