#include <linux/if.h>
#include <linux/if_ether.h>
#include <linux/if_packet.h>
+#include <linux/if_link.h>
#ifdef __KERNEL__
+#include <linux/pm_qos_params.h>
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/mm.h>
* used.
*/
-#if defined(CONFIG_WLAN_80211) || defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
+#if defined(CONFIG_WLAN) || defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
# if defined(CONFIG_MAC80211_MESH)
# define LL_MAX_HEADER 128
# else
struct neigh_parms;
struct sk_buff;
-struct netif_rx_stats {
- unsigned total;
- unsigned dropped;
- unsigned time_squeeze;
- unsigned cpu_collision;
-};
-
-DECLARE_PER_CPU(struct netif_rx_stats, netdev_rx_stat);
-
-struct dev_addr_list {
- struct dev_addr_list *next;
- u8 da_addr[MAX_ADDR_LEN];
- u8 da_addrlen;
- u8 da_synced;
- int da_users;
- int da_gusers;
-};
-
-/*
- * We tag multicasts with these structures.
- */
-
-#define dev_mc_list dev_addr_list
-#define dmi_addr da_addr
-#define dmi_addrlen da_addrlen
-#define dmi_users da_users
-#define dmi_gusers da_gusers
-
struct netdev_hw_addr {
struct list_head list;
unsigned char addr[MAX_ADDR_LEN];
#define NETDEV_HW_ADDR_T_SAN 2
#define NETDEV_HW_ADDR_T_SLAVE 3
#define NETDEV_HW_ADDR_T_UNICAST 4
+#define NETDEV_HW_ADDR_T_MULTICAST 5
int refcount;
bool synced;
+ bool global_use;
struct rcu_head rcu_head;
};
int count;
};
+#define netdev_hw_addr_list_count(l) ((l)->count)
+#define netdev_hw_addr_list_empty(l) (netdev_hw_addr_list_count(l) == 0)
+#define netdev_hw_addr_list_for_each(ha, l) \
+ list_for_each_entry(ha, &(l)->list, list)
+
+#define netdev_uc_count(dev) netdev_hw_addr_list_count(&(dev)->uc)
+#define netdev_uc_empty(dev) netdev_hw_addr_list_empty(&(dev)->uc)
+#define netdev_for_each_uc_addr(ha, dev) \
+ netdev_hw_addr_list_for_each(ha, &(dev)->uc)
+
+#define netdev_mc_count(dev) netdev_hw_addr_list_count(&(dev)->mc)
+#define netdev_mc_empty(dev) netdev_hw_addr_list_empty(&(dev)->mc)
+#define netdev_for_each_mc_addr(ha, dev) \
+ netdev_hw_addr_list_for_each(ha, &(dev)->mc)
+
struct hh_cache {
struct hh_cache *hh_next; /* Next entry */
atomic_t hh_refcnt; /* number of users */
unsigned long tx_dropped;
} ____cacheline_aligned_in_smp;
+#ifdef CONFIG_RPS
+/*
+ * This structure holds an RPS map which can be of variable length. The
+ * map is an array of CPUs.
+ */
+struct rps_map {
+ unsigned int len;
+ struct rcu_head rcu;
+ u16 cpus[0];
+};
+#define RPS_MAP_SIZE(_num) (sizeof(struct rps_map) + (_num * sizeof(u16)))
+
+/*
+ * The rps_dev_flow structure contains the mapping of a flow to a CPU and the
+ * tail pointer for that CPU's input queue at the time of last enqueue.
+ */
+struct rps_dev_flow {
+ u16 cpu;
+ u16 fill;
+ unsigned int last_qtail;
+};
+
+/*
+ * The rps_dev_flow_table structure contains a table of flow mappings.
+ */
+struct rps_dev_flow_table {
+ unsigned int mask;
+ struct rcu_head rcu;
+ struct work_struct free_work;
+ struct rps_dev_flow flows[0];
+};
+#define RPS_DEV_FLOW_TABLE_SIZE(_num) (sizeof(struct rps_dev_flow_table) + \
+ (_num * sizeof(struct rps_dev_flow)))
+
+/*
+ * The rps_sock_flow_table contains mappings of flows to the last CPU
+ * on which they were processed by the application (set in recvmsg).
+ */
+struct rps_sock_flow_table {
+ unsigned int mask;
+ u16 ents[0];
+};
+#define RPS_SOCK_FLOW_TABLE_SIZE(_num) (sizeof(struct rps_sock_flow_table) + \
+ (_num * sizeof(u16)))
+
+#define RPS_NO_CPU 0xffff
+
+static inline void rps_record_sock_flow(struct rps_sock_flow_table *table,
+ u32 hash)
+{
+ if (table && hash) {
+ unsigned int cpu, index = hash & table->mask;
+
+ /* We only give a hint, preemption can change cpu under us */
+ cpu = raw_smp_processor_id();
+
+ if (table->ents[index] != cpu)
+ table->ents[index] = cpu;
+ }
+}
+
+static inline void rps_reset_sock_flow(struct rps_sock_flow_table *table,
+ u32 hash)
+{
+ if (table && hash)
+ table->ents[hash & table->mask] = RPS_NO_CPU;
+}
+
+extern struct rps_sock_flow_table *rps_sock_flow_table;
+
+/* This structure contains an instance of an RX queue. */
+struct netdev_rx_queue {
+ struct rps_map *rps_map;
+ struct rps_dev_flow_table *rps_flow_table;
+ struct kobject kobj;
+ struct netdev_rx_queue *first;
+ atomic_t count;
+} ____cacheline_aligned_in_smp;
+#endif /* CONFIG_RPS */
/*
* This structure defines the management hooks for network devices.
* this function is called when a VLAN id is unregistered.
*
* void (*ndo_poll_controller)(struct net_device *dev);
+ *
+ * SR-IOV management functions.
+ * int (*ndo_set_vf_mac)(struct net_device *dev, int vf, u8* mac);
+ * int (*ndo_set_vf_vlan)(struct net_device *dev, int vf, u16 vlan, u8 qos);
+ * int (*ndo_set_vf_tx_rate)(struct net_device *dev, int vf, int rate);
+ * int (*ndo_get_vf_config)(struct net_device *dev,
+ * int vf, struct ifla_vf_info *ivf);
+ * int (*ndo_set_vf_port)(struct net_device *dev, int vf,
+ * struct nlattr *port[]);
+ * int (*ndo_get_vf_port)(struct net_device *dev, int vf, struct sk_buff *skb);
*/
#define HAVE_NET_DEVICE_OPS
struct net_device_ops {
struct net_device *dev);
u16 (*ndo_select_queue)(struct net_device *dev,
struct sk_buff *skb);
-#define HAVE_CHANGE_RX_FLAGS
void (*ndo_change_rx_flags)(struct net_device *dev,
int flags);
-#define HAVE_SET_RX_MODE
void (*ndo_set_rx_mode)(struct net_device *dev);
-#define HAVE_MULTICAST
void (*ndo_set_multicast_list)(struct net_device *dev);
-#define HAVE_SET_MAC_ADDR
int (*ndo_set_mac_address)(struct net_device *dev,
void *addr);
-#define HAVE_VALIDATE_ADDR
int (*ndo_validate_addr)(struct net_device *dev);
-#define HAVE_PRIVATE_IOCTL
int (*ndo_do_ioctl)(struct net_device *dev,
struct ifreq *ifr, int cmd);
-#define HAVE_SET_CONFIG
int (*ndo_set_config)(struct net_device *dev,
struct ifmap *map);
-#define HAVE_CHANGE_MTU
int (*ndo_change_mtu)(struct net_device *dev,
int new_mtu);
int (*ndo_neigh_setup)(struct net_device *dev,
struct neigh_parms *);
-#define HAVE_TX_TIMEOUT
void (*ndo_tx_timeout) (struct net_device *dev);
struct net_device_stats* (*ndo_get_stats)(struct net_device *dev);
void (*ndo_vlan_rx_kill_vid)(struct net_device *dev,
unsigned short vid);
#ifdef CONFIG_NET_POLL_CONTROLLER
-#define HAVE_NETDEV_POLL
void (*ndo_poll_controller)(struct net_device *dev);
+ void (*ndo_netpoll_cleanup)(struct net_device *dev);
#endif
+ int (*ndo_set_vf_mac)(struct net_device *dev,
+ int queue, u8 *mac);
+ int (*ndo_set_vf_vlan)(struct net_device *dev,
+ int queue, u16 vlan, u8 qos);
+ int (*ndo_set_vf_tx_rate)(struct net_device *dev,
+ int vf, int rate);
+ int (*ndo_get_vf_config)(struct net_device *dev,
+ int vf,
+ struct ifla_vf_info *ivf);
+ int (*ndo_set_vf_port)(struct net_device *dev,
+ int vf,
+ struct nlattr *port[]);
+ int (*ndo_get_vf_port)(struct net_device *dev,
+ int vf, struct sk_buff *skb);
#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
int (*ndo_fcoe_enable)(struct net_device *dev);
int (*ndo_fcoe_disable)(struct net_device *dev);
* the interface.
*/
char name[IFNAMSIZ];
+
+ struct pm_qos_request_list *pm_qos_req;
+
/* device name hash chain */
struct hlist_node name_hlist;
/* snmp alias */
#define NETIF_F_FCOE_CRC (1 << 24) /* FCoE CRC32 */
#define NETIF_F_SCTP_CSUM (1 << 25) /* SCTP checksum offload */
#define NETIF_F_FCOE_MTU (1 << 26) /* Supports max FCoE MTU, 2158 bytes*/
+#define NETIF_F_NTUPLE (1 << 27) /* N-tuple filters supported */
+#define NETIF_F_RXHASH (1 << 28) /* Receive hashing offload */
/* Segmentation offload features */
#define NETIF_F_GSO_SHIFT 16
unsigned char operstate; /* RFC2863 operstate */
unsigned char link_mode; /* mapping policy to operstate */
- unsigned mtu; /* interface MTU value */
+ unsigned int mtu; /* interface MTU value */
unsigned short type; /* interface hardware type */
unsigned short hard_header_len; /* hardware hdr length */
unsigned char addr_len; /* hardware address length */
unsigned short dev_id; /* for shared network cards */
- struct netdev_hw_addr_list uc; /* Secondary unicast
- mac addresses */
- int uc_promisc;
spinlock_t addr_list_lock;
- struct dev_addr_list *mc_list; /* Multicast mac addresses */
- int mc_count; /* Number of installed mcasts */
+ struct netdev_hw_addr_list uc; /* Unicast mac addresses */
+ struct netdev_hw_addr_list mc; /* Multicast mac addresses */
+ int uc_promisc;
unsigned int promiscuity;
unsigned int allmulti;
unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */
+#ifdef CONFIG_RPS
+ struct kset *queues_kset;
+
+ struct netdev_rx_queue *_rx;
+
+ /* Number of RX queues allocated at alloc_netdev_mq() time */
+ unsigned int num_rx_queues;
+#endif
+
struct netdev_queue rx_queue;
struct netdev_queue *_tx ____cacheline_aligned_in_smp;
NETREG_UNREGISTERED, /* completed unregister todo */
NETREG_RELEASED, /* called free_netdev */
NETREG_DUMMY, /* dummy device for NAPI poll */
- } reg_state;
+ } reg_state:16;
+
+ enum {
+ RTNL_LINK_INITIALIZED,
+ RTNL_LINK_INITIALIZING,
+ } rtnl_link_state:16;
/* Called from unregister, can be used to call free_netdev */
void (*destructor)(struct net_device *dev);
/* Network namespace this network device is inside */
struct net *nd_net;
#endif
+ /* to assign a syslog chanel according device ownership */
+ struct syslog_ns *syslog_ns;
/* mid-layer private */
void *ml_priv;
/* max exchange id for FCoE LRO by ddp */
unsigned int fcoe_ddp_xid;
#endif
+ /* n-tuple filter list attached to this device */
+ struct ethtool_rx_ntuple_list ethtool_ntuple_list;
};
#define to_net_dev(d) container_of(d, struct net_device, dev)
return 0;
}
+#ifndef CONFIG_NET_NS
+static inline void skb_set_dev(struct sk_buff *skb, struct net_device *dev)
+{
+ skb->dev = dev;
+}
+#else /* CONFIG_NET_NS */
+void skb_set_dev(struct sk_buff *skb, struct net_device *dev);
+#endif
+
static inline bool netdev_uses_trailer_tags(struct net_device *dev)
{
#ifdef CONFIG_NET_DSA_TAG_TRAILER
#define for_each_netdev(net, d) \
list_for_each_entry(d, &(net)->dev_base_head, dev_list)
+#define for_each_netdev_reverse(net, d) \
+ list_for_each_entry_reverse(d, &(net)->dev_base_head, dev_list)
#define for_each_netdev_rcu(net, d) \
list_for_each_entry_rcu(d, &(net)->dev_base_head, dev_list)
#define for_each_netdev_safe(net, d, n) \
}
/*
- * Incoming packets are placed on per-cpu queues so that
- * no locking is needed.
+ * Incoming packets are placed on per-cpu queues
*/
struct softnet_data {
struct Qdisc *output_queue;
- struct sk_buff_head input_pkt_queue;
+ struct Qdisc **output_queue_tailp;
struct list_head poll_list;
struct sk_buff *completion_queue;
-
+ struct sk_buff_head process_queue;
+
+ /* stats */
+ unsigned int processed;
+ unsigned int time_squeeze;
+ unsigned int cpu_collision;
+ unsigned int received_rps;
+
+#ifdef CONFIG_RPS
+ struct softnet_data *rps_ipi_list;
+
+ /* Elements below can be accessed between CPUs for RPS */
+ struct call_single_data csd ____cacheline_aligned_in_smp;
+ struct softnet_data *rps_ipi_next;
+ unsigned int cpu;
+ unsigned int input_queue_head;
+ unsigned int input_queue_tail;
+#endif
+ unsigned dropped;
+ struct sk_buff_head input_pkt_queue;
struct napi_struct backlog;
};
-DECLARE_PER_CPU(struct softnet_data,softnet_data);
+static inline void input_queue_head_incr(struct softnet_data *sd)
+{
+#ifdef CONFIG_RPS
+ sd->input_queue_head++;
+#endif
+}
+
+static inline void input_queue_tail_incr_save(struct softnet_data *sd,
+ unsigned int *qtail)
+{
+#ifdef CONFIG_RPS
+ *qtail = ++sd->input_queue_tail;
+#endif
+}
+
+DECLARE_PER_CPU_ALIGNED(struct softnet_data, softnet_data);
#define HAVE_NETIF_QUEUE
extern int netif_rx_ni(struct sk_buff *skb);
#define HAVE_NETIF_RECEIVE_SKB 1
extern int netif_receive_skb(struct sk_buff *skb);
-extern void napi_gro_flush(struct napi_struct *napi);
extern gro_result_t dev_gro_receive(struct napi_struct *napi,
struct sk_buff *skb);
extern gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb);
extern int dev_ioctl(struct net *net, unsigned int cmd, void __user *);
extern int dev_ethtool(struct net *net, struct ifreq *);
extern unsigned dev_get_flags(const struct net_device *);
+extern int __dev_change_flags(struct net_device *, unsigned int flags);
extern int dev_change_flags(struct net_device *, unsigned);
+extern void __dev_notify_flags(struct net_device *, unsigned int old_flags);
extern int dev_change_name(struct net_device *, const char *);
extern int dev_set_alias(struct net_device *, const char *, size_t);
extern int dev_change_net_namespace(struct net_device *,
extern int register_netdev(struct net_device *dev);
extern void unregister_netdev(struct net_device *dev);
+/* General hardware address lists handling functions */
+extern int __hw_addr_add_multiple(struct netdev_hw_addr_list *to_list,
+ struct netdev_hw_addr_list *from_list,
+ int addr_len, unsigned char addr_type);
+extern void __hw_addr_del_multiple(struct netdev_hw_addr_list *to_list,
+ struct netdev_hw_addr_list *from_list,
+ int addr_len, unsigned char addr_type);
+extern int __hw_addr_sync(struct netdev_hw_addr_list *to_list,
+ struct netdev_hw_addr_list *from_list,
+ int addr_len);
+extern void __hw_addr_unsync(struct netdev_hw_addr_list *to_list,
+ struct netdev_hw_addr_list *from_list,
+ int addr_len);
+extern void __hw_addr_flush(struct netdev_hw_addr_list *list);
+extern void __hw_addr_init(struct netdev_hw_addr_list *list);
+
/* Functions used for device addresses handling */
extern int dev_addr_add(struct net_device *dev, unsigned char *addr,
unsigned char addr_type);
extern int dev_addr_del_multiple(struct net_device *to_dev,
struct net_device *from_dev,
unsigned char addr_type);
+extern void dev_addr_flush(struct net_device *dev);
+extern int dev_addr_init(struct net_device *dev);
+
+/* Functions used for unicast addresses handling */
+extern int dev_uc_add(struct net_device *dev, unsigned char *addr);
+extern int dev_uc_del(struct net_device *dev, unsigned char *addr);
+extern int dev_uc_sync(struct net_device *to, struct net_device *from);
+extern void dev_uc_unsync(struct net_device *to, struct net_device *from);
+extern void dev_uc_flush(struct net_device *dev);
+extern void dev_uc_init(struct net_device *dev);
+
+/* Functions used for multicast addresses handling */
+extern int dev_mc_add(struct net_device *dev, unsigned char *addr);
+extern int dev_mc_add_global(struct net_device *dev, unsigned char *addr);
+extern int dev_mc_del(struct net_device *dev, unsigned char *addr);
+extern int dev_mc_del_global(struct net_device *dev, unsigned char *addr);
+extern int dev_mc_sync(struct net_device *to, struct net_device *from);
+extern void dev_mc_unsync(struct net_device *to, struct net_device *from);
+extern void dev_mc_flush(struct net_device *dev);
+extern void dev_mc_init(struct net_device *dev);
/* Functions used for secondary unicast and multicast support */
extern void dev_set_rx_mode(struct net_device *dev);
extern void __dev_set_rx_mode(struct net_device *dev);
-extern int dev_unicast_delete(struct net_device *dev, void *addr);
-extern int dev_unicast_add(struct net_device *dev, void *addr);
-extern int dev_unicast_sync(struct net_device *to, struct net_device *from);
-extern void dev_unicast_unsync(struct net_device *to, struct net_device *from);
-extern int dev_mc_delete(struct net_device *dev, void *addr, int alen, int all);
-extern int dev_mc_add(struct net_device *dev, void *addr, int alen, int newonly);
-extern int dev_mc_sync(struct net_device *to, struct net_device *from);
-extern void dev_mc_unsync(struct net_device *to, struct net_device *from);
-extern int __dev_addr_delete(struct dev_addr_list **list, int *count, void *addr, int alen, int all);
-extern int __dev_addr_add(struct dev_addr_list **list, int *count, void *addr, int alen, int newonly);
-extern int __dev_addr_sync(struct dev_addr_list **to, int *to_count, struct dev_addr_list **from, int *from_count);
-extern void __dev_addr_unsync(struct dev_addr_list **to, int *to_count, struct dev_addr_list **from, int *from_count);
extern int dev_set_promiscuity(struct net_device *dev, int inc);
extern int dev_set_allmulti(struct net_device *dev, int inc);
extern void netdev_state_change(struct net_device *dev);
-extern void netdev_bonding_change(struct net_device *dev,
+extern int netdev_bonding_change(struct net_device *dev,
unsigned long event);
extern void netdev_features_change(struct net_device *dev);
/* Load a device via the kmod */
extern void dev_txq_stats_fold(const struct net_device *dev, struct net_device_stats *stats);
extern int netdev_max_backlog;
+extern int netdev_tstamp_prequeue;
extern int weight_p;
extern int netdev_set_master(struct net_device *dev, struct net_device *master);
extern int skb_checksum_help(struct sk_buff *skb);
unsigned long mask);
unsigned long netdev_fix_features(unsigned long features, const char *name);
+void netif_stacked_transfer_operstate(const struct net_device *rootdev,
+ struct net_device *dev);
+
static inline int net_gso_ok(int features, int gso_type)
{
int feature = gso_type << NETIF_F_GSO_SHIFT;
dev->gso_max_size = size;
}
-static inline void skb_bond_set_mac_by_master(struct sk_buff *skb,
- struct net_device *master)
-{
- if (skb->pkt_type == PACKET_HOST) {
- u16 *dest = (u16 *) eth_hdr(skb)->h_dest;
+extern int __skb_bond_should_drop(struct sk_buff *skb,
+ struct net_device *master);
- memcpy(dest, master->dev_addr, ETH_ALEN);
- }
-}
-
-/* On bonding slaves other than the currently active slave, suppress
- * duplicates except for 802.3ad ETH_P_SLOW, alb non-mcast/bcast, and
- * ARP on active-backup slaves with arp_validate enabled.
- */
-static inline int skb_bond_should_drop(struct sk_buff *skb)
-{
- struct net_device *dev = skb->dev;
- struct net_device *master = dev->master;
-
- if (master) {
- if (master->priv_flags & IFF_MASTER_ARPMON)
- dev->last_rx = jiffies;
-
- if ((master->priv_flags & IFF_MASTER_ALB) && master->br_port) {
- /* Do address unmangle. The local destination address
- * will be always the one master has. Provides the right
- * functionality in a bridge.
- */
- skb_bond_set_mac_by_master(skb, master);
- }
-
- if (dev->priv_flags & IFF_SLAVE_INACTIVE) {
- if ((dev->priv_flags & IFF_SLAVE_NEEDARP) &&
- skb->protocol == __cpu_to_be16(ETH_P_ARP))
- return 0;
-
- if (master->priv_flags & IFF_MASTER_ALB) {
- if (skb->pkt_type != PACKET_BROADCAST &&
- skb->pkt_type != PACKET_MULTICAST)
- return 0;
- }
- if (master->priv_flags & IFF_MASTER_8023AD &&
- skb->protocol == __cpu_to_be16(ETH_P_SLOW))
- return 0;
-
- return 1;
- }
- }
+static inline int skb_bond_should_drop(struct sk_buff *skb,
+ struct net_device *master)
+{
+ if (master)
+ return __skb_bond_should_drop(skb, master);
return 0;
}
return 0;
return dev->ethtool_ops->get_flags(dev);
}
+
+/* Logging, debugging and troubleshooting/diagnostic helpers. */
+
+/* netdev_printk helpers, similar to dev_printk */
+
+static inline const char *netdev_name(const struct net_device *dev)
+{
+ if (dev->reg_state != NETREG_REGISTERED)
+ return "(unregistered net_device)";
+ return dev->name;
+}
+
+#define netdev_printk(level, netdev, format, args...) \
+ dev_printk(level, (netdev)->dev.parent, \
+ "%s: " format, \
+ netdev_name(netdev), ##args)
+
+#define netdev_emerg(dev, format, args...) \
+ netdev_printk(KERN_EMERG, dev, format, ##args)
+#define netdev_alert(dev, format, args...) \
+ netdev_printk(KERN_ALERT, dev, format, ##args)
+#define netdev_crit(dev, format, args...) \
+ netdev_printk(KERN_CRIT, dev, format, ##args)
+#define netdev_err(dev, format, args...) \
+ netdev_printk(KERN_ERR, dev, format, ##args)
+#define netdev_warn(dev, format, args...) \
+ netdev_printk(KERN_WARNING, dev, format, ##args)
+#define netdev_notice(dev, format, args...) \
+ netdev_printk(KERN_NOTICE, dev, format, ##args)
+#define netdev_info(dev, format, args...) \
+ netdev_printk(KERN_INFO, dev, format, ##args)
+
+#if defined(DEBUG)
+#define netdev_dbg(__dev, format, args...) \
+ netdev_printk(KERN_DEBUG, __dev, format, ##args)
+#elif defined(CONFIG_DYNAMIC_DEBUG)
+#define netdev_dbg(__dev, format, args...) \
+do { \
+ dynamic_dev_dbg((__dev)->dev.parent, "%s: " format, \
+ netdev_name(__dev), ##args); \
+} while (0)
+#else
+#define netdev_dbg(__dev, format, args...) \
+({ \
+ if (0) \
+ netdev_printk(KERN_DEBUG, __dev, format, ##args); \
+ 0; \
+})
+#endif
+
+#if defined(VERBOSE_DEBUG)
+#define netdev_vdbg netdev_dbg
+#else
+
+#define netdev_vdbg(dev, format, args...) \
+({ \
+ if (0) \
+ netdev_printk(KERN_DEBUG, dev, format, ##args); \
+ 0; \
+})
+#endif
+
+/*
+ * netdev_WARN() acts like dev_printk(), but with the key difference
+ * of using a WARN/WARN_ON to get the message out, including the
+ * file/line information and a backtrace.
+ */
+#define netdev_WARN(dev, format, args...) \
+ WARN(1, "netdevice: %s\n" format, netdev_name(dev), ##args);
+
+/* netif printk helpers, similar to netdev_printk */
+
+#define netif_printk(priv, type, level, dev, fmt, args...) \
+do { \
+ if (netif_msg_##type(priv)) \
+ netdev_printk(level, (dev), fmt, ##args); \
+} while (0)
+
+#define netif_emerg(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_EMERG, dev, fmt, ##args)
+#define netif_alert(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_ALERT, dev, fmt, ##args)
+#define netif_crit(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_CRIT, dev, fmt, ##args)
+#define netif_err(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_ERR, dev, fmt, ##args)
+#define netif_warn(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_WARNING, dev, fmt, ##args)
+#define netif_notice(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_NOTICE, dev, fmt, ##args)
+#define netif_info(priv, type, dev, fmt, args...) \
+ netif_printk(priv, type, KERN_INFO, (dev), fmt, ##args)
+
+#if defined(DEBUG)
+#define netif_dbg(priv, type, dev, format, args...) \
+ netif_printk(priv, type, KERN_DEBUG, dev, format, ##args)
+#elif defined(CONFIG_DYNAMIC_DEBUG)
+#define netif_dbg(priv, type, netdev, format, args...) \
+do { \
+ if (netif_msg_##type(priv)) \
+ dynamic_dev_dbg((netdev)->dev.parent, \
+ "%s: " format, \
+ netdev_name(netdev), ##args); \
+} while (0)
+#else
+#define netif_dbg(priv, type, dev, format, args...) \
+({ \
+ if (0) \
+ netif_printk(priv, type, KERN_DEBUG, dev, format, ##args); \
+ 0; \
+})
+#endif
+
+#if defined(VERBOSE_DEBUG)
+#define netif_vdbg netdev_dbg
+#else
+#define netif_vdbg(priv, type, dev, format, args...) \
+({ \
+ if (0) \
+ netif_printk(priv, type, KERN_DEBUG, dev, format, ##args); \
+ 0; \
+})
+#endif
+
#endif /* __KERNEL__ */
#endif /* _LINUX_NETDEVICE_H */
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