diff --git a/drivers/infiniband/hw/usnic/usnic_ib_main.c b/drivers/infiniband/hw/usnic/usnic_ib_main.c index f45e99a938e099805e4c1fd253506af99020df52..5bf3b20eba258ba2b46e0c57a25a6eaf4336ddd8 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_main.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_main.c @@ -97,20 +97,7 @@ void usnic_ib_log_vf(struct usnic_ib_vf *vf) /* Start of netdev section */ static inline const char *usnic_ib_netdev_event_to_string(unsigned long event) { - const char *event2str[] = {"NETDEV_NONE", "NETDEV_UP", "NETDEV_DOWN", - "NETDEV_REBOOT", "NETDEV_CHANGE", - "NETDEV_REGISTER", "NETDEV_UNREGISTER", "NETDEV_CHANGEMTU", - "NETDEV_CHANGEADDR", "NETDEV_GOING_DOWN", "NETDEV_FEAT_CHANGE", - "NETDEV_BONDING_FAILOVER", "NETDEV_PRE_UP", - "NETDEV_PRE_TYPE_CHANGE", "NETDEV_POST_TYPE_CHANGE", - "NETDEV_POST_INT", "NETDEV_UNREGISTER_FINAL", "NETDEV_RELEASE", - "NETDEV_NOTIFY_PEERS", "NETDEV_JOIN" - }; - - if (event >= ARRAY_SIZE(event2str)) - return "UNKNOWN_NETDEV_EVENT"; - else - return event2str[event]; + return netdev_cmd_to_name(event); } static void usnic_ib_qp_grp_modify_active_to_err(struct usnic_ib_dev *us_ibdev) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 913b1cc882cf0d4d18058673a11f86509b5b98d9..dd5a04c971d55b0eed3bf408983d6d11bbf3af84 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2312,43 +2312,46 @@ struct netdev_lag_lower_state_info { #include -/* netdevice notifier chain. Please remember to update the rtnetlink - * notification exclusion list in rtnetlink_event() when adding new - * types. +/* netdevice notifier chain. Please remember to update netdev_cmd_to_name() + * and the rtnetlink notification exclusion list in rtnetlink_event() when + * adding new types. */ -#define NETDEV_UP 0x0001 /* For now you can't veto a device up/down */ -#define NETDEV_DOWN 0x0002 -#define NETDEV_REBOOT 0x0003 /* Tell a protocol stack a network interface +enum netdev_cmd { + NETDEV_UP = 1, /* For now you can't veto a device up/down */ + NETDEV_DOWN, + NETDEV_REBOOT, /* Tell a protocol stack a network interface detected a hardware crash and restarted - we can use this eg to kick tcp sessions once done */ -#define NETDEV_CHANGE 0x0004 /* Notify device state change */ -#define NETDEV_REGISTER 0x0005 -#define NETDEV_UNREGISTER 0x0006 -#define NETDEV_CHANGEMTU 0x0007 /* notify after mtu change happened */ -#define NETDEV_CHANGEADDR 0x0008 -#define NETDEV_GOING_DOWN 0x0009 -#define NETDEV_CHANGENAME 0x000A -#define NETDEV_FEAT_CHANGE 0x000B -#define NETDEV_BONDING_FAILOVER 0x000C -#define NETDEV_PRE_UP 0x000D -#define NETDEV_PRE_TYPE_CHANGE 0x000E -#define NETDEV_POST_TYPE_CHANGE 0x000F -#define NETDEV_POST_INIT 0x0010 -#define NETDEV_UNREGISTER_FINAL 0x0011 -#define NETDEV_RELEASE 0x0012 -#define NETDEV_NOTIFY_PEERS 0x0013 -#define NETDEV_JOIN 0x0014 -#define NETDEV_CHANGEUPPER 0x0015 -#define NETDEV_RESEND_IGMP 0x0016 -#define NETDEV_PRECHANGEMTU 0x0017 /* notify before mtu change happened */ -#define NETDEV_CHANGEINFODATA 0x0018 -#define NETDEV_BONDING_INFO 0x0019 -#define NETDEV_PRECHANGEUPPER 0x001A -#define NETDEV_CHANGELOWERSTATE 0x001B -#define NETDEV_UDP_TUNNEL_PUSH_INFO 0x001C -#define NETDEV_UDP_TUNNEL_DROP_INFO 0x001D -#define NETDEV_CHANGE_TX_QUEUE_LEN 0x001E + NETDEV_CHANGE, /* Notify device state change */ + NETDEV_REGISTER, + NETDEV_UNREGISTER, + NETDEV_CHANGEMTU, /* notify after mtu change happened */ + NETDEV_CHANGEADDR, + NETDEV_GOING_DOWN, + NETDEV_CHANGENAME, + NETDEV_FEAT_CHANGE, + NETDEV_BONDING_FAILOVER, + NETDEV_PRE_UP, + NETDEV_PRE_TYPE_CHANGE, + NETDEV_POST_TYPE_CHANGE, + NETDEV_POST_INIT, + NETDEV_UNREGISTER_FINAL, + NETDEV_RELEASE, + NETDEV_NOTIFY_PEERS, + NETDEV_JOIN, + NETDEV_CHANGEUPPER, + NETDEV_RESEND_IGMP, + NETDEV_PRECHANGEMTU, /* notify before mtu change happened */ + NETDEV_CHANGEINFODATA, + NETDEV_BONDING_INFO, + NETDEV_PRECHANGEUPPER, + NETDEV_CHANGELOWERSTATE, + NETDEV_UDP_TUNNEL_PUSH_INFO, + NETDEV_UDP_TUNNEL_DROP_INFO, + NETDEV_CHANGE_TX_QUEUE_LEN, +}; +const char *netdev_cmd_to_name(enum netdev_cmd cmd); int register_netdevice_notifier(struct notifier_block *nb); int unregister_netdevice_notifier(struct notifier_block *nb); diff --git a/net/core/dev.c b/net/core/dev.c index f9c28f44286cd9f38f57d4042b181e8978975cbb..055e7ae1275933347f8757cb80d58ea782609b0a 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1571,6 +1571,26 @@ static void dev_disable_gro_hw(struct net_device *dev) netdev_WARN(dev, "failed to disable GRO_HW!\n"); } +const char *netdev_cmd_to_name(enum netdev_cmd cmd) +{ +#define N(val) \ + case NETDEV_##val: \ + return "NETDEV_" __stringify(val); + switch (cmd) { + N(UP) N(DOWN) N(REBOOT) N(CHANGE) N(REGISTER) N(UNREGISTER) + N(CHANGEMTU) N(CHANGEADDR) N(GOING_DOWN) N(CHANGENAME) N(FEAT_CHANGE) + N(BONDING_FAILOVER) N(PRE_UP) N(PRE_TYPE_CHANGE) N(POST_TYPE_CHANGE) + N(POST_INIT) N(RELEASE) N(NOTIFY_PEERS) N(JOIN) N(CHANGEUPPER) + N(RESEND_IGMP) N(PRECHANGEMTU) N(CHANGEINFODATA) N(BONDING_INFO) + N(PRECHANGEUPPER) N(CHANGELOWERSTATE) N(UDP_TUNNEL_PUSH_INFO) + N(UDP_TUNNEL_DROP_INFO) N(CHANGE_TX_QUEUE_LEN) + N(UNREGISTER_FINAL) + }; +#undef N + return "UNKNOWN_NETDEV_EVENT"; +} +EXPORT_SYMBOL_GPL(netdev_cmd_to_name); + static int call_netdevice_notifier(struct notifier_block *nb, unsigned long val, struct net_device *dev) {