* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Corey Minyard <wf-rch!minyard@relay.EU.net>
* Donald J. Becker, <becker@cesdis.gsfc.nasa.gov>
- * Alan Cox, <Alan.Cox@linux.org>
+ * Alan Cox, <alan@lxorguk.ukuu.org.uk>
* Bjorn Ekwall. <bj0rn@blox.se>
* Pekka Riikonen <priikone@poseidon.pspt.fi>
*
#ifdef __KERNEL__
#include <linux/timer.h>
#include <linux/delay.h>
+#include <linux/mm.h>
#include <asm/atomic.h>
#include <asm/cache.h>
#include <asm/byteorder.h>
#include <linux/device.h>
#include <linux/percpu.h>
+#include <linux/rculist.h>
#include <linux/dmaengine.h>
#include <linux/workqueue.h>
+#include <linux/ethtool.h>
#include <net/net_namespace.h>
+#include <net/dsa.h>
+#ifdef CONFIG_DCB
+#include <net/dcbnl.h>
+#endif
struct vlan_group;
-struct ethtool_ops;
struct netpoll_info;
/* 802.11 specific */
struct wireless_dev;
#define NET_XMIT_DROP 1 /* skb dropped */
#define NET_XMIT_CN 2 /* congestion notification */
#define NET_XMIT_POLICED 3 /* skb is shot by police */
-#define NET_XMIT_BYPASS 4 /* packet does not leave via dequeue;
- (TC use only - dev_queue_xmit
- returns this as NET_XMIT_SUCCESS) */
+#define NET_XMIT_MASK 0xFFFF /* qdisc flags in net/sch_generic.h */
/* Backlog congestion levels */
#define NET_RX_SUCCESS 0 /* keep 'em coming, baby */
* Compute the worst case header length according to the protocols
* used.
*/
-
+
#if defined(CONFIG_WLAN_80211) || defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
# if defined(CONFIG_MAC80211_MESH)
# define LL_MAX_HEADER 128
# else
# define LL_MAX_HEADER 96
# endif
-#elif defined(CONFIG_TR)
+#elif defined(CONFIG_TR) || defined(CONFIG_TR_MODULE)
# define LL_MAX_HEADER 48
#else
# define LL_MAX_HEADER 32
#endif /* __KERNEL__ */
-struct net_device_subqueue
-{
- /* Give a control state for each queue. This struct may contain
- * per-queue locks in the future.
- */
- unsigned long state;
-};
-
/*
* Network device statistics. Akin to the 2.0 ether stats but
* with byte counters.
*/
-
+
struct net_device_stats
{
unsigned long rx_packets; /* total packets received */
#define dmi_users da_users
#define dmi_gusers da_gusers
+struct netdev_hw_addr {
+ struct list_head list;
+ unsigned char addr[MAX_ADDR_LEN];
+ unsigned char type;
+#define NETDEV_HW_ADDR_T_LAN 1
+#define NETDEV_HW_ADDR_T_SAN 2
+#define NETDEV_HW_ADDR_T_SLAVE 3
+#define NETDEV_HW_ADDR_T_UNICAST 4
+ int refcount;
+ bool synced;
+ struct rcu_head rcu_head;
+};
+
+struct netdev_hw_addr_list {
+ struct list_head list;
+ int count;
+};
+
struct hh_cache
{
struct hh_cache *hh_next; /* Next entry */
{
__LINK_STATE_START,
__LINK_STATE_PRESENT,
- __LINK_STATE_SCHED,
__LINK_STATE_NOCARRIER,
__LINK_STATE_LINKWATCH_PENDING,
__LINK_STATE_DORMANT,
/*
* This structure holds at boot time configured netdevice settings. They
- * are then used in the device probing.
+ * are then used in the device probing.
*/
struct netdev_boot_setup {
char name[IFNAMSIZ];
#ifdef CONFIG_NETPOLL
spinlock_t poll_lock;
int poll_owner;
+#endif
+
+ unsigned int gro_count;
+
struct net_device *dev;
struct list_head dev_list;
-#endif
+ struct sk_buff *gro_list;
+ struct sk_buff *skb;
};
enum
{
NAPI_STATE_SCHED, /* Poll is scheduled */
NAPI_STATE_DISABLE, /* Disable pending */
+ NAPI_STATE_NPSVC, /* Netpoll - don't dequeue from poll_list */
+};
+
+enum {
+ GRO_MERGED,
+ GRO_MERGED_FREE,
+ GRO_HELD,
+ GRO_NORMAL,
+ GRO_DROP,
};
extern void __napi_schedule(struct napi_struct *n);
*
* Mark NAPI processing as complete.
*/
-static inline void __napi_complete(struct napi_struct *n)
-{
- BUG_ON(!test_bit(NAPI_STATE_SCHED, &n->state));
- list_del(&n->poll_list);
- smp_mb__before_clear_bit();
- clear_bit(NAPI_STATE_SCHED, &n->state);
-}
-
-static inline void napi_complete(struct napi_struct *n)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- __napi_complete(n);
- local_irq_restore(flags);
-}
+extern void __napi_complete(struct napi_struct *n);
+extern void napi_complete(struct napi_struct *n);
/**
* napi_disable - prevent NAPI from scheduling
enum netdev_queue_state_t
{
__QUEUE_STATE_XOFF,
- __QUEUE_STATE_QDISC_RUNNING,
+ __QUEUE_STATE_FROZEN,
};
struct netdev_queue {
- spinlock_t lock;
+/*
+ * read mostly part
+ */
struct net_device *dev;
struct Qdisc *qdisc;
unsigned long state;
- struct sk_buff *gso_skb;
- spinlock_t _xmit_lock;
- int xmit_lock_owner;
struct Qdisc *qdisc_sleeping;
- struct list_head qdisc_list;
- struct netdev_queue *next_sched;
+/*
+ * write mostly part
+ */
+ spinlock_t _xmit_lock ____cacheline_aligned_in_smp;
+ int xmit_lock_owner;
+ /*
+ * please use this field instead of dev->trans_start
+ */
+ unsigned long trans_start;
+ unsigned long tx_bytes;
+ unsigned long tx_packets;
+ unsigned long tx_dropped;
+} ____cacheline_aligned_in_smp;
+
+
+/*
+ * This structure defines the management hooks for network devices.
+ * The following hooks can be defined; unless noted otherwise, they are
+ * optional and can be filled with a null pointer.
+ *
+ * int (*ndo_init)(struct net_device *dev);
+ * This function is called once when network device is registered.
+ * The network device can use this to any late stage initializaton
+ * or semantic validattion. It can fail with an error code which will
+ * be propogated back to register_netdev
+ *
+ * void (*ndo_uninit)(struct net_device *dev);
+ * This function is called when device is unregistered or when registration
+ * fails. It is not called if init fails.
+ *
+ * int (*ndo_open)(struct net_device *dev);
+ * This function is called when network device transistions to the up
+ * state.
+ *
+ * int (*ndo_stop)(struct net_device *dev);
+ * This function is called when network device transistions to the down
+ * state.
+ *
+ * int (*ndo_start_xmit)(struct sk_buff *skb, struct net_device *dev);
+ * Called when a packet needs to be transmitted.
+ * Must return NETDEV_TX_OK , NETDEV_TX_BUSY, or NETDEV_TX_LOCKED,
+ * Required can not be NULL.
+ *
+ * u16 (*ndo_select_queue)(struct net_device *dev, struct sk_buff *skb);
+ * Called to decide which queue to when device supports multiple
+ * transmit queues.
+ *
+ * void (*ndo_change_rx_flags)(struct net_device *dev, int flags);
+ * This function is called to allow device receiver to make
+ * changes to configuration when multicast or promiscious is enabled.
+ *
+ * void (*ndo_set_rx_mode)(struct net_device *dev);
+ * This function is called device changes address list filtering.
+ *
+ * void (*ndo_set_multicast_list)(struct net_device *dev);
+ * This function is called when the multicast address list changes.
+ *
+ * int (*ndo_set_mac_address)(struct net_device *dev, void *addr);
+ * This function is called when the Media Access Control address
+ * needs to be changed. If this interface is not defined, the
+ * mac address can not be changed.
+ *
+ * int (*ndo_validate_addr)(struct net_device *dev);
+ * Test if Media Access Control address is valid for the device.
+ *
+ * int (*ndo_do_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
+ * Called when a user request an ioctl which can't be handled by
+ * the generic interface code. If not defined ioctl's return
+ * not supported error code.
+ *
+ * int (*ndo_set_config)(struct net_device *dev, struct ifmap *map);
+ * Used to set network devices bus interface parameters. This interface
+ * is retained for legacy reason, new devices should use the bus
+ * interface (PCI) for low level management.
+ *
+ * int (*ndo_change_mtu)(struct net_device *dev, int new_mtu);
+ * Called when a user wants to change the Maximum Transfer Unit
+ * of a device. If not defined, any request to change MTU will
+ * will return an error.
+ *
+ * void (*ndo_tx_timeout)(struct net_device *dev);
+ * Callback uses when the transmitter has not made any progress
+ * for dev->watchdog ticks.
+ *
+ * struct net_device_stats* (*get_stats)(struct net_device *dev);
+ * Called when a user wants to get the network device usage
+ * statistics. If not defined, the counters in dev->stats will
+ * be used.
+ *
+ * void (*ndo_vlan_rx_register)(struct net_device *dev, struct vlan_group *grp);
+ * If device support VLAN receive accleration
+ * (ie. dev->features & NETIF_F_HW_VLAN_RX), then this function is called
+ * when vlan groups for the device changes. Note: grp is NULL
+ * if no vlan's groups are being used.
+ *
+ * void (*ndo_vlan_rx_add_vid)(struct net_device *dev, unsigned short vid);
+ * If device support VLAN filtering (dev->features & NETIF_F_HW_VLAN_FILTER)
+ * this function is called when a VLAN id is registered.
+ *
+ * void (*ndo_vlan_rx_kill_vid)(struct net_device *dev, unsigned short vid);
+ * If device support VLAN filtering (dev->features & NETIF_F_HW_VLAN_FILTER)
+ * this function is called when a VLAN id is unregistered.
+ *
+ * void (*ndo_poll_controller)(struct net_device *dev);
+ */
+#define HAVE_NET_DEVICE_OPS
+struct net_device_ops {
+ int (*ndo_init)(struct net_device *dev);
+ void (*ndo_uninit)(struct net_device *dev);
+ int (*ndo_open)(struct net_device *dev);
+ int (*ndo_stop)(struct net_device *dev);
+ int (*ndo_start_xmit) (struct sk_buff *skb,
+ 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_register)(struct net_device *dev,
+ struct vlan_group *grp);
+ void (*ndo_vlan_rx_add_vid)(struct net_device *dev,
+ unsigned short vid);
+ 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);
+#endif
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+ int (*ndo_fcoe_ddp_setup)(struct net_device *dev,
+ u16 xid,
+ struct scatterlist *sgl,
+ unsigned int sgc);
+ int (*ndo_fcoe_ddp_done)(struct net_device *dev,
+ u16 xid);
+#endif
};
/*
char name[IFNAMSIZ];
/* device name hash chain */
struct hlist_node name_hlist;
+ /* snmp alias */
+ char *ifalias;
/*
* I/O specific fields
unsigned long state;
struct list_head dev_list;
-#ifdef CONFIG_NETPOLL
struct list_head napi_list;
-#endif
-
- /* The device initialization function. Called only once. */
- int (*init)(struct net_device *dev);
-
- /* ------- Fields preinitialized in Space.c finish here ------- */
/* Net device features */
unsigned long features;
#define NETIF_F_LLTX 4096 /* LockLess TX - deprecated. Please */
/* do not use LLTX in new drivers */
#define NETIF_F_NETNS_LOCAL 8192 /* Does not change network namespaces */
-#define NETIF_F_MULTI_QUEUE 16384 /* Has multiple TX/RX queues */
+#define NETIF_F_GRO 16384 /* Generic receive offload */
#define NETIF_F_LRO 32768 /* large receive offload */
+/* the GSO_MASK reserves bits 16 through 23 */
+#define NETIF_F_FCOE_CRC (1 << 24) /* FCoE CRC32 */
+#define NETIF_F_SCTP_CSUM (1 << 25) /* SCTP checksum offload */
+
/* Segmentation offload features */
#define NETIF_F_GSO_SHIFT 16
-#define NETIF_F_GSO_MASK 0xffff0000
+#define NETIF_F_GSO_MASK 0x00ff0000
#define NETIF_F_TSO (SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)
#define NETIF_F_UFO (SKB_GSO_UDP << NETIF_F_GSO_SHIFT)
#define NETIF_F_GSO_ROBUST (SKB_GSO_DODGY << NETIF_F_GSO_SHIFT)
#define NETIF_F_TSO_ECN (SKB_GSO_TCP_ECN << NETIF_F_GSO_SHIFT)
#define NETIF_F_TSO6 (SKB_GSO_TCPV6 << NETIF_F_GSO_SHIFT)
+#define NETIF_F_FSO (SKB_GSO_FCOE << NETIF_F_GSO_SHIFT)
/* List of features with software fallbacks. */
#define NETIF_F_GSO_SOFTWARE (NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6)
#define NETIF_F_V6_CSUM (NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM)
#define NETIF_F_ALL_CSUM (NETIF_F_V4_CSUM | NETIF_F_V6_CSUM)
+ /*
+ * If one device supports one of these features, then enable them
+ * for all in netdev_increment_features.
+ */
+#define NETIF_F_ONE_FOR_ALL (NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ROBUST | \
+ NETIF_F_SG | NETIF_F_HIGHDMA | \
+ NETIF_F_FRAGLIST)
+
/* Interface index. Unique device identifier */
int ifindex;
int iflink;
-
- struct net_device_stats* (*get_stats)(struct net_device *dev);
struct net_device_stats stats;
#ifdef CONFIG_WIRELESS_EXT
/* Instance data managed by the core of Wireless Extensions. */
struct iw_public_data * wireless_data;
#endif
+ /* Management operations */
+ const struct net_device_ops *netdev_ops;
const struct ethtool_ops *ethtool_ops;
/* Hardware header description */
const struct header_ops *header_ops;
- /*
- * This marks the end of the "visible" part of the structure. All
- * fields hereafter are internal to the system, and may change at
- * will (read: may be cleaned up at will).
- */
-
-
unsigned int flags; /* interface flags (a la BSD) */
unsigned short gflags;
unsigned short priv_flags; /* Like 'flags' but invisible to userspace. */
unsigned char addr_len; /* hardware address length */
unsigned short dev_id; /* for shared network cards */
- spinlock_t addr_list_lock;
- struct dev_addr_list *uc_list; /* Secondary unicast mac addresses */
- int uc_count; /* Number of installed ucasts */
+ 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 */
unsigned int promiscuity;
/* Protocol specific pointers */
+#ifdef CONFIG_NET_DSA
+ void *dsa_ptr; /* dsa specific data */
+#endif
void *atalk_ptr; /* AppleTalk link */
- void *ip_ptr; /* IPv4 specific data */
+ void *ip_ptr; /* IPv4 specific data */
void *dn_ptr; /* DECnet specific data */
void *ip6_ptr; /* IPv6 specific data */
void *ec_ptr; /* Econet specific data */
*/
unsigned long last_rx; /* Time of last Rx */
/* Interface address info used in eth_type_trans() */
- unsigned char dev_addr[MAX_ADDR_LEN]; /* hw address, (before bcast
- because most packets are unicast) */
+ unsigned char *dev_addr; /* hw address, (before bcast
+ because most packets are
+ unicast) */
+
+ struct netdev_hw_addr_list dev_addrs; /* list of device
+ hw addresses */
unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */
struct netdev_queue rx_queue;
- struct netdev_queue tx_queue ____cacheline_aligned_in_smp;
- unsigned long tx_queue_len; /* Max frames per queue allowed */
+ struct netdev_queue *_tx ____cacheline_aligned_in_smp;
+
+ /* Number of TX queues allocated at alloc_netdev_mq() time */
+ unsigned int num_tx_queues;
+
+ /* Number of TX queues currently active in device */
+ unsigned int real_num_tx_queues;
+
+ unsigned long tx_queue_len; /* Max frames per queue allowed */
+ spinlock_t tx_global_lock;
/*
* One part is mostly used on xmit path (device)
*/
- void *priv; /* pointer to private data */
- int (*hard_start_xmit) (struct sk_buff *skb,
- struct net_device *dev);
/* These may be needed for future network-power-down code. */
+
+ /*
+ * trans_start here is expensive for high speed devices on SMP,
+ * please use netdev_queue->trans_start instead.
+ */
unsigned long trans_start; /* Time (in jiffies) of last Tx */
int watchdog_timeo; /* used by dev_watchdog() */
struct timer_list watchdog_timer;
-/*
- * refcnt is a very hot point, so align it on SMP
- */
/* Number of references to this device */
atomic_t refcnt ____cacheline_aligned_in_smp;
NETREG_UNREGISTERING, /* called unregister_netdevice */
NETREG_UNREGISTERED, /* completed unregister todo */
NETREG_RELEASED, /* called free_netdev */
+ NETREG_DUMMY, /* dummy device for NAPI poll */
} reg_state;
- /* Called after device is detached from network. */
- void (*uninit)(struct net_device *dev);
- /* Called after last user reference disappears. */
- void (*destructor)(struct net_device *dev);
+ /* Called from unregister, can be used to call free_netdev */
+ void (*destructor)(struct net_device *dev);
- /* Pointers to interface service routines. */
- int (*open)(struct net_device *dev);
- int (*stop)(struct net_device *dev);
-#define HAVE_NETDEV_POLL
-#define HAVE_CHANGE_RX_FLAGS
- void (*change_rx_flags)(struct net_device *dev,
- int flags);
-#define HAVE_SET_RX_MODE
- void (*set_rx_mode)(struct net_device *dev);
-#define HAVE_MULTICAST
- void (*set_multicast_list)(struct net_device *dev);
-#define HAVE_SET_MAC_ADDR
- int (*set_mac_address)(struct net_device *dev,
- void *addr);
-#define HAVE_VALIDATE_ADDR
- int (*validate_addr)(struct net_device *dev);
-#define HAVE_PRIVATE_IOCTL
- int (*do_ioctl)(struct net_device *dev,
- struct ifreq *ifr, int cmd);
-#define HAVE_SET_CONFIG
- int (*set_config)(struct net_device *dev,
- struct ifmap *map);
-#define HAVE_CHANGE_MTU
- int (*change_mtu)(struct net_device *dev, int new_mtu);
-
-#define HAVE_TX_TIMEOUT
- void (*tx_timeout) (struct net_device *dev);
-
- void (*vlan_rx_register)(struct net_device *dev,
- struct vlan_group *grp);
- void (*vlan_rx_add_vid)(struct net_device *dev,
- unsigned short vid);
- void (*vlan_rx_kill_vid)(struct net_device *dev,
- unsigned short vid);
-
- int (*neigh_setup)(struct net_device *dev, struct neigh_parms *);
#ifdef CONFIG_NETPOLL
struct netpoll_info *npinfo;
#endif
-#ifdef CONFIG_NET_POLL_CONTROLLER
- void (*poll_controller)(struct net_device *dev);
-#endif
#ifdef CONFIG_NET_NS
/* Network namespace this network device is inside */
#define GSO_MAX_SIZE 65536
unsigned int gso_max_size;
- /* The TX queue control structures */
- unsigned int egress_subqueue_count;
- struct net_device_subqueue egress_subqueue[1];
+#ifdef CONFIG_DCB
+ /* Data Center Bridging netlink ops */
+ struct dcbnl_rtnl_ops *dcbnl_ops;
+#endif
+
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+ /* max exchange id for FCoE LRO by ddp */
+ unsigned int fcoe_ddp_xid;
+#endif
};
#define to_net_dev(d) container_of(d, struct net_device, dev)
#define NETDEV_ALIGN 32
-#define NETDEV_ALIGN_CONST (NETDEV_ALIGN - 1)
+
+static inline
+struct netdev_queue *netdev_get_tx_queue(const struct net_device *dev,
+ unsigned int index)
+{
+ return &dev->_tx[index];
+}
+
+static inline void netdev_for_each_tx_queue(struct net_device *dev,
+ void (*f)(struct net_device *,
+ struct netdev_queue *,
+ void *),
+ void *arg)
+{
+ unsigned int i;
+
+ for (i = 0; i < dev->num_tx_queues; i++)
+ f(dev, &dev->_tx[i], arg);
+}
/*
* Net namespace inlines
#endif
}
+static inline bool netdev_uses_dsa_tags(struct net_device *dev)
+{
+#ifdef CONFIG_NET_DSA_TAG_DSA
+ if (dev->dsa_ptr != NULL)
+ return dsa_uses_dsa_tags(dev->dsa_ptr);
+#endif
+
+ return 0;
+}
+
+static inline bool netdev_uses_trailer_tags(struct net_device *dev)
+{
+#ifdef CONFIG_NET_DSA_TAG_TRAILER
+ if (dev->dsa_ptr != NULL)
+ return dsa_uses_trailer_tags(dev->dsa_ptr);
+#endif
+
+ return 0;
+}
+
/**
* netdev_priv - access network device private data
* @dev: network device
*/
static inline void *netdev_priv(const struct net_device *dev)
{
- return dev->priv;
+ return (char *)dev + ALIGN(sizeof(struct net_device), NETDEV_ALIGN);
}
/* Set the sysfs physical device reference for the network logical device
* netif_napi_add() must be used to initialize a napi context prior to calling
* *any* of the other napi related functions.
*/
-static inline void netif_napi_add(struct net_device *dev,
- struct napi_struct *napi,
- int (*poll)(struct napi_struct *, int),
- int weight)
-{
- INIT_LIST_HEAD(&napi->poll_list);
- napi->poll = poll;
- napi->weight = weight;
-#ifdef CONFIG_NETPOLL
- napi->dev = dev;
- list_add(&napi->dev_list, &dev->napi_list);
- spin_lock_init(&napi->poll_lock);
- napi->poll_owner = -1;
-#endif
- set_bit(NAPI_STATE_SCHED, &napi->state);
-}
+void netif_napi_add(struct net_device *dev, struct napi_struct *napi,
+ int (*poll)(struct napi_struct *, int), int weight);
/**
* netif_napi_del - remove a napi context
*
* netif_napi_del() removes a napi context from the network device napi list
*/
-static inline void netif_napi_del(struct napi_struct *napi)
-{
-#ifdef CONFIG_NETPOLL
- list_del(&napi->dev_list);
-#endif
-}
+void netif_napi_del(struct napi_struct *napi);
+
+struct napi_gro_cb {
+ /* Virtual address of skb_shinfo(skb)->frags[0].page + offset. */
+ void *frag0;
+
+ /* Length of frag0. */
+ unsigned int frag0_len;
+
+ /* This indicates where we are processing relative to skb->data. */
+ int data_offset;
+
+ /* This is non-zero if the packet may be of the same flow. */
+ int same_flow;
+
+ /* This is non-zero if the packet cannot be merged with the new skb. */
+ int flush;
+
+ /* Number of segments aggregated. */
+ int count;
+
+ /* Free the skb? */
+ int free;
+};
+
+#define NAPI_GRO_CB(skb) ((struct napi_gro_cb *)(skb)->cb)
struct packet_type {
__be16 type; /* This is really htons(ether_type). */
struct sk_buff *(*gso_segment)(struct sk_buff *skb,
int features);
int (*gso_send_check)(struct sk_buff *skb);
+ struct sk_buff **(*gro_receive)(struct sk_buff **head,
+ struct sk_buff *skb);
+ int (*gro_complete)(struct sk_buff *skb);
void *af_packet_priv;
struct list_head list;
};
extern void synchronize_net(void);
extern int register_netdevice_notifier(struct notifier_block *nb);
extern int unregister_netdevice_notifier(struct notifier_block *nb);
+extern int init_dummy_netdev(struct net_device *dev);
+extern void netdev_resync_ops(struct net_device *dev);
+
extern int call_netdevice_notifiers(unsigned long val, struct net_device *dev);
extern struct net_device *dev_get_by_index(struct net *net, int ifindex);
extern struct net_device *__dev_get_by_index(struct net *net, int ifindex);
#ifdef CONFIG_NETPOLL_TRAP
extern int netpoll_trap(void);
#endif
+extern int skb_gro_receive(struct sk_buff **head,
+ struct sk_buff *skb);
+extern void skb_gro_reset_offset(struct sk_buff *skb);
+
+static inline unsigned int skb_gro_offset(const struct sk_buff *skb)
+{
+ return NAPI_GRO_CB(skb)->data_offset;
+}
+
+static inline unsigned int skb_gro_len(const struct sk_buff *skb)
+{
+ return skb->len - NAPI_GRO_CB(skb)->data_offset;
+}
+
+static inline void skb_gro_pull(struct sk_buff *skb, unsigned int len)
+{
+ NAPI_GRO_CB(skb)->data_offset += len;
+}
+
+static inline void *skb_gro_header_fast(struct sk_buff *skb,
+ unsigned int offset)
+{
+ return NAPI_GRO_CB(skb)->frag0 + offset;
+}
+
+static inline int skb_gro_header_hard(struct sk_buff *skb, unsigned int hlen)
+{
+ return NAPI_GRO_CB(skb)->frag0_len < hlen;
+}
+
+static inline void *skb_gro_header_slow(struct sk_buff *skb, unsigned int hlen,
+ unsigned int offset)
+{
+ NAPI_GRO_CB(skb)->frag0 = NULL;
+ NAPI_GRO_CB(skb)->frag0_len = 0;
+ return pskb_may_pull(skb, hlen) ? skb->data + offset : NULL;
+}
+
+static inline void *skb_gro_mac_header(struct sk_buff *skb)
+{
+ return NAPI_GRO_CB(skb)->frag0 ?: skb_mac_header(skb);
+}
+
+static inline void *skb_gro_network_header(struct sk_buff *skb)
+{
+ return (NAPI_GRO_CB(skb)->frag0 ?: skb->data) +
+ skb_network_offset(skb);
+}
static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type,
*/
struct softnet_data
{
- struct netdev_queue *output_queue;
+ struct Qdisc *output_queue;
struct sk_buff_head input_pkt_queue;
struct list_head poll_list;
struct sk_buff *completion_queue;
struct napi_struct backlog;
-#ifdef CONFIG_NET_DMA
- struct dma_chan *net_dma;
-#endif
};
DECLARE_PER_CPU(struct softnet_data,softnet_data);
#define HAVE_NETIF_QUEUE
-extern void __netif_schedule(struct netdev_queue *txq);
+extern void __netif_schedule(struct Qdisc *q);
static inline void netif_schedule_queue(struct netdev_queue *txq)
{
if (!test_bit(__QUEUE_STATE_XOFF, &txq->state))
- __netif_schedule(txq);
+ __netif_schedule(txq->qdisc);
+}
+
+static inline void netif_tx_schedule_all(struct net_device *dev)
+{
+ unsigned int i;
+
+ for (i = 0; i < dev->num_tx_queues; i++)
+ netif_schedule_queue(netdev_get_tx_queue(dev, i));
}
-static inline void netif_schedule(struct net_device *dev)
+static inline void netif_tx_start_queue(struct netdev_queue *dev_queue)
{
- netif_schedule_queue(&dev->tx_queue);
+ clear_bit(__QUEUE_STATE_XOFF, &dev_queue->state);
}
/**
*
* Allow upper layers to call the device hard_start_xmit routine.
*/
-static inline void netif_tx_start_queue(struct netdev_queue *dev_queue)
+static inline void netif_start_queue(struct net_device *dev)
{
- clear_bit(__QUEUE_STATE_XOFF, &dev_queue->state);
+ netif_tx_start_queue(netdev_get_tx_queue(dev, 0));
}
-static inline void netif_start_queue(struct net_device *dev)
+static inline void netif_tx_start_all_queues(struct net_device *dev)
{
- netif_tx_start_queue(&dev->tx_queue);
+ unsigned int i;
+
+ for (i = 0; i < dev->num_tx_queues; i++) {
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+ netif_tx_start_queue(txq);
+ }
}
-/**
- * netif_wake_queue - restart transmit
- * @dev: network device
- *
- * Allow upper layers to call the device hard_start_xmit routine.
- * Used for flow control when transmit resources are available.
- */
static inline void netif_tx_wake_queue(struct netdev_queue *dev_queue)
{
#ifdef CONFIG_NETPOLL_TRAP
}
#endif
if (test_and_clear_bit(__QUEUE_STATE_XOFF, &dev_queue->state))
- __netif_schedule(dev_queue);
+ __netif_schedule(dev_queue->qdisc);
}
+/**
+ * netif_wake_queue - restart transmit
+ * @dev: network device
+ *
+ * Allow upper layers to call the device hard_start_xmit routine.
+ * Used for flow control when transmit resources are available.
+ */
static inline void netif_wake_queue(struct net_device *dev)
{
- netif_tx_wake_queue(&dev->tx_queue);
+ netif_tx_wake_queue(netdev_get_tx_queue(dev, 0));
+}
+
+static inline void netif_tx_wake_all_queues(struct net_device *dev)
+{
+ unsigned int i;
+
+ for (i = 0; i < dev->num_tx_queues; i++) {
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+ netif_tx_wake_queue(txq);
+ }
+}
+
+static inline void netif_tx_stop_queue(struct netdev_queue *dev_queue)
+{
+ set_bit(__QUEUE_STATE_XOFF, &dev_queue->state);
}
/**
* Stop upper layers calling the device hard_start_xmit routine.
* Used for flow control when transmit resources are unavailable.
*/
-static inline void netif_tx_stop_queue(struct netdev_queue *dev_queue)
+static inline void netif_stop_queue(struct net_device *dev)
{
- set_bit(__QUEUE_STATE_XOFF, &dev_queue->state);
+ netif_tx_stop_queue(netdev_get_tx_queue(dev, 0));
}
-static inline void netif_stop_queue(struct net_device *dev)
+static inline void netif_tx_stop_all_queues(struct net_device *dev)
{
- netif_tx_stop_queue(&dev->tx_queue);
+ unsigned int i;
+
+ for (i = 0; i < dev->num_tx_queues; i++) {
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+ netif_tx_stop_queue(txq);
+ }
+}
+
+static inline int netif_tx_queue_stopped(const struct netdev_queue *dev_queue)
+{
+ return test_bit(__QUEUE_STATE_XOFF, &dev_queue->state);
}
/**
*
* Test if transmit queue on device is currently unable to send.
*/
-static inline int netif_tx_queue_stopped(const struct netdev_queue *dev_queue)
+static inline int netif_queue_stopped(const struct net_device *dev)
{
- return test_bit(__QUEUE_STATE_XOFF, &dev_queue->state);
+ return netif_tx_queue_stopped(netdev_get_tx_queue(dev, 0));
}
-static inline int netif_queue_stopped(const struct net_device *dev)
+static inline int netif_tx_queue_frozen(const struct netdev_queue *dev_queue)
{
- return netif_tx_queue_stopped(&dev->tx_queue);
+ return test_bit(__QUEUE_STATE_FROZEN, &dev_queue->state);
}
/**
*/
static inline void netif_start_subqueue(struct net_device *dev, u16 queue_index)
{
- clear_bit(__QUEUE_STATE_XOFF, &dev->egress_subqueue[queue_index].state);
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index);
+ clear_bit(__QUEUE_STATE_XOFF, &txq->state);
}
/**
*/
static inline void netif_stop_subqueue(struct net_device *dev, u16 queue_index)
{
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index);
#ifdef CONFIG_NETPOLL_TRAP
if (netpoll_trap())
return;
#endif
- set_bit(__QUEUE_STATE_XOFF, &dev->egress_subqueue[queue_index].state);
+ set_bit(__QUEUE_STATE_XOFF, &txq->state);
}
/**
static inline int __netif_subqueue_stopped(const struct net_device *dev,
u16 queue_index)
{
- return test_bit(__QUEUE_STATE_XOFF,
- &dev->egress_subqueue[queue_index].state);
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index);
+ return test_bit(__QUEUE_STATE_XOFF, &txq->state);
}
static inline int netif_subqueue_stopped(const struct net_device *dev,
*/
static inline void netif_wake_subqueue(struct net_device *dev, u16 queue_index)
{
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index);
#ifdef CONFIG_NETPOLL_TRAP
if (netpoll_trap())
return;
#endif
- if (test_and_clear_bit(__QUEUE_STATE_XOFF,
- &dev->egress_subqueue[queue_index].state))
- __netif_schedule(&dev->tx_queue);
+ if (test_and_clear_bit(__QUEUE_STATE_XOFF, &txq->state))
+ __netif_schedule(txq->qdisc);
}
/**
* @dev: network device
*
* Check if device has multiple transmit queues
- * Always falls if NETDEVICE_MULTIQUEUE is not configured
*/
static inline int netif_is_multiqueue(const struct net_device *dev)
{
- return (!!(NETIF_F_MULTI_QUEUE & dev->features));
+ return (dev->num_tx_queues > 1);
}
/* Use this variant when it is known for sure that it
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 int dev_gro_receive(struct napi_struct *napi,
+ struct sk_buff *skb);
+extern int napi_skb_finish(int ret, struct sk_buff *skb);
+extern int napi_gro_receive(struct napi_struct *napi,
+ struct sk_buff *skb);
+extern void napi_reuse_skb(struct napi_struct *napi,
+ struct sk_buff *skb);
+extern struct sk_buff * napi_get_frags(struct napi_struct *napi);
+extern int napi_frags_finish(struct napi_struct *napi,
+ struct sk_buff *skb, int ret);
+extern struct sk_buff * napi_frags_skb(struct napi_struct *napi);
+extern int napi_gro_frags(struct napi_struct *napi);
+
+static inline void napi_free_frags(struct napi_struct *napi)
+{
+ kfree_skb(napi->skb);
+ napi->skb = NULL;
+}
+
extern void netif_nit_deliver(struct sk_buff *skb);
extern int dev_valid_name(const char *name);
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);
-extern int dev_change_name(struct net_device *, char *);
+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 *,
struct net *, const char *);
extern int dev_set_mtu(struct net_device *, int);
extern int dev_set_mac_address(struct net_device *,
struct sockaddr *);
extern int dev_hard_start_xmit(struct sk_buff *skb,
- struct net_device *dev);
+ struct net_device *dev,
+ struct netdev_queue *txq);
extern int netdev_budget;
return !test_bit(__LINK_STATE_NOCARRIER, &dev->state);
}
+extern unsigned long dev_trans_start(struct net_device *dev);
+
extern void __netdev_watchdog_up(struct net_device *dev);
extern void netif_carrier_on(struct net_device *dev);
return (1 << debug_value) - 1;
}
-/* Test if receive needs to be scheduled but only if up */
-static inline int netif_rx_schedule_prep(struct net_device *dev,
- struct napi_struct *napi)
+static inline void __netif_tx_lock(struct netdev_queue *txq, int cpu)
{
- return napi_schedule_prep(napi);
+ spin_lock(&txq->_xmit_lock);
+ txq->xmit_lock_owner = cpu;
}
-/* Add interface to tail of rx poll list. This assumes that _prep has
- * already been called and returned 1.
- */
-static inline void __netif_rx_schedule(struct net_device *dev,
- struct napi_struct *napi)
+static inline void __netif_tx_lock_bh(struct netdev_queue *txq)
{
- __napi_schedule(napi);
+ spin_lock_bh(&txq->_xmit_lock);
+ txq->xmit_lock_owner = smp_processor_id();
}
-/* Try to reschedule poll. Called by irq handler. */
-
-static inline void netif_rx_schedule(struct net_device *dev,
- struct napi_struct *napi)
+static inline int __netif_tx_trylock(struct netdev_queue *txq)
{
- if (netif_rx_schedule_prep(dev, napi))
- __netif_rx_schedule(dev, napi);
+ int ok = spin_trylock(&txq->_xmit_lock);
+ if (likely(ok))
+ txq->xmit_lock_owner = smp_processor_id();
+ return ok;
}
-/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete(). */
-static inline int netif_rx_reschedule(struct net_device *dev,
- struct napi_struct *napi)
+static inline void __netif_tx_unlock(struct netdev_queue *txq)
{
- if (napi_schedule_prep(napi)) {
- __netif_rx_schedule(dev, napi);
- return 1;
- }
- return 0;
+ txq->xmit_lock_owner = -1;
+ spin_unlock(&txq->_xmit_lock);
}
-/* same as netif_rx_complete, except that local_irq_save(flags)
- * has already been issued
- */
-static inline void __netif_rx_complete(struct net_device *dev,
- struct napi_struct *napi)
+static inline void __netif_tx_unlock_bh(struct netdev_queue *txq)
{
- __napi_complete(napi);
+ txq->xmit_lock_owner = -1;
+ spin_unlock_bh(&txq->_xmit_lock);
}
-/* Remove interface from poll list: it must be in the poll list
- * on current cpu. This primitive is called by dev->poll(), when
- * it completes the work. The device cannot be out of poll list at this
- * moment, it is BUG().
- */
-static inline void netif_rx_complete(struct net_device *dev,
- struct napi_struct *napi)
+static inline void txq_trans_update(struct netdev_queue *txq)
{
- unsigned long flags;
-
- local_irq_save(flags);
- __netif_rx_complete(dev, napi);
- local_irq_restore(flags);
+ if (txq->xmit_lock_owner != -1)
+ txq->trans_start = jiffies;
}
/**
* netif_tx_lock - grab network device transmit lock
* @dev: network device
- * @cpu: cpu number of lock owner
*
* Get network device transmit lock
*/
-static inline void __netif_tx_lock(struct netdev_queue *txq, int cpu)
-{
- spin_lock(&txq->_xmit_lock);
- txq->xmit_lock_owner = cpu;
-}
-
static inline void netif_tx_lock(struct net_device *dev)
{
- __netif_tx_lock(&dev->tx_queue, smp_processor_id());
-}
-
-static inline void __netif_tx_lock_bh(struct netdev_queue *txq)
-{
- spin_lock_bh(&txq->_xmit_lock);
- txq->xmit_lock_owner = smp_processor_id();
+ unsigned int i;
+ int cpu;
+
+ spin_lock(&dev->tx_global_lock);
+ cpu = smp_processor_id();
+ for (i = 0; i < dev->num_tx_queues; i++) {
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+
+ /* We are the only thread of execution doing a
+ * freeze, but we have to grab the _xmit_lock in
+ * order to synchronize with threads which are in
+ * the ->hard_start_xmit() handler and already
+ * checked the frozen bit.
+ */
+ __netif_tx_lock(txq, cpu);
+ set_bit(__QUEUE_STATE_FROZEN, &txq->state);
+ __netif_tx_unlock(txq);
+ }
}
static inline void netif_tx_lock_bh(struct net_device *dev)
{
- __netif_tx_lock_bh(&dev->tx_queue);
-}
-
-static inline int __netif_tx_trylock(struct netdev_queue *txq)
-{
- int ok = spin_trylock(&txq->_xmit_lock);
- if (likely(ok))
- txq->xmit_lock_owner = smp_processor_id();
- return ok;
-}
-
-static inline int netif_tx_trylock(struct net_device *dev)
-{
- return __netif_tx_trylock(&dev->tx_queue);
-}
-
-static inline void __netif_tx_unlock(struct netdev_queue *txq)
-{
- txq->xmit_lock_owner = -1;
- spin_unlock(&txq->_xmit_lock);
+ local_bh_disable();
+ netif_tx_lock(dev);
}
static inline void netif_tx_unlock(struct net_device *dev)
{
- __netif_tx_unlock(&dev->tx_queue);
-}
+ unsigned int i;
-static inline void __netif_tx_unlock_bh(struct netdev_queue *txq)
-{
- txq->xmit_lock_owner = -1;
- spin_unlock_bh(&txq->_xmit_lock);
+ for (i = 0; i < dev->num_tx_queues; i++) {
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+
+ /* No need to grab the _xmit_lock here. If the
+ * queue is not stopped for another reason, we
+ * force a schedule.
+ */
+ clear_bit(__QUEUE_STATE_FROZEN, &txq->state);
+ if (!test_bit(__QUEUE_STATE_XOFF, &txq->state))
+ __netif_schedule(txq->qdisc);
+ }
+ spin_unlock(&dev->tx_global_lock);
}
static inline void netif_tx_unlock_bh(struct net_device *dev)
{
- __netif_tx_unlock_bh(&dev->tx_queue);
+ netif_tx_unlock(dev);
+ local_bh_enable();
}
#define HARD_TX_LOCK(dev, txq, cpu) { \
static inline void netif_tx_disable(struct net_device *dev)
{
- netif_tx_lock_bh(dev);
- netif_stop_queue(dev);
- netif_tx_unlock_bh(dev);
+ unsigned int i;
+ int cpu;
+
+ local_bh_disable();
+ cpu = smp_processor_id();
+ for (i = 0; i < dev->num_tx_queues; i++) {
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+
+ __netif_tx_lock(txq, cpu);
+ netif_tx_stop_queue(txq);
+ __netif_tx_unlock(txq);
+ }
+ local_bh_enable();
}
+static inline void netif_addr_lock(struct net_device *dev)
+{
+ spin_lock(&dev->addr_list_lock);
+}
+
+static inline void netif_addr_lock_bh(struct net_device *dev)
+{
+ spin_lock_bh(&dev->addr_list_lock);
+}
+
+static inline void netif_addr_unlock(struct net_device *dev)
+{
+ spin_unlock(&dev->addr_list_lock);
+}
+
+static inline void netif_addr_unlock_bh(struct net_device *dev)
+{
+ spin_unlock_bh(&dev->addr_list_lock);
+}
+
+/*
+ * dev_addrs walker. Should be used only for read access. Call with
+ * rcu_read_lock held.
+ */
+#define for_each_dev_addr(dev, ha) \
+ list_for_each_entry_rcu(ha, &dev->dev_addrs.list, list)
+
/* These functions live elsewhere (drivers/net/net_init.c, but related) */
extern void ether_setup(struct net_device *dev);
alloc_netdev_mq(sizeof_priv, name, setup, 1)
extern int register_netdev(struct net_device *dev);
extern void unregister_netdev(struct net_device *dev);
+
+/* 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(struct net_device *dev, unsigned char *addr,
+ unsigned char addr_type);
+extern int dev_addr_add_multiple(struct net_device *to_dev,
+ struct net_device *from_dev,
+ unsigned char addr_type);
+extern int dev_addr_del_multiple(struct net_device *to_dev,
+ struct net_device *from_dev,
+ unsigned char addr_type);
+
/* 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, int alen);
-extern int dev_unicast_add(struct net_device *dev, void *addr, int alen);
+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);
/* Load a device via the kmod */
extern void dev_load(struct net *net, const char *name);
extern void dev_mcast_init(void);
+extern const struct net_device_stats *dev_get_stats(struct net_device *dev);
+
extern int netdev_max_backlog;
extern int weight_p;
extern int netdev_set_master(struct net_device *dev, struct net_device *master);
extern int netdev_class_create_file(struct class_attribute *class_attr);
extern void netdev_class_remove_file(struct class_attribute *class_attr);
+extern char *netdev_drivername(const struct net_device *dev, char *buffer, int len);
+
extern void linkwatch_run_queue(void);
-extern int netdev_compute_features(unsigned long all, unsigned long one);
+unsigned long netdev_increment_features(unsigned long all, unsigned long one,
+ unsigned long mask);
+unsigned long netdev_fix_features(unsigned long features, const char *name);
static inline int net_gso_ok(int features, int gso_type)
{
static inline int skb_gso_ok(struct sk_buff *skb, int features)
{
- return net_gso_ok(features, skb_shinfo(skb)->gso_type);
+ return net_gso_ok(features, skb_shinfo(skb)->gso_type) &&
+ (!skb_has_frags(skb) || (features & NETIF_F_FRAGLIST));
}
static inline int netif_needs_gso(struct net_device *dev, struct sk_buff *skb)
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;
+
+ 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.
struct net_device *dev = skb->dev;
struct net_device *master = dev->master;
- if (master &&
- (dev->priv_flags & IFF_SLAVE_INACTIVE)) {
- if ((dev->priv_flags & IFF_SLAVE_NEEDARP) &&
- skb->protocol == __constant_htons(ETH_P_ARP))
- return 0;
+ if (master) {
+ if (master->priv_flags & IFF_MASTER_ARPMON)
+ dev->last_rx = jiffies;
- 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_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 (master->priv_flags & IFF_MASTER_8023AD &&
- skb->protocol == __constant_htons(ETH_P_SLOW))
- return 0;
- return 1;
+ 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;
+ }
}
return 0;
}
+extern struct pernet_operations __net_initdata loopback_net_ops;
+
+static inline int dev_ethtool_get_settings(struct net_device *dev,
+ struct ethtool_cmd *cmd)
+{
+ if (!dev->ethtool_ops || !dev->ethtool_ops->get_settings)
+ return -EOPNOTSUPP;
+ return dev->ethtool_ops->get_settings(dev, cmd);
+}
+
+static inline u32 dev_ethtool_get_rx_csum(struct net_device *dev)
+{
+ if (!dev->ethtool_ops || !dev->ethtool_ops->get_rx_csum)
+ return 0;
+ return dev->ethtool_ops->get_rx_csum(dev);
+}
+
+static inline u32 dev_ethtool_get_flags(struct net_device *dev)
+{
+ if (!dev->ethtool_ops || !dev->ethtool_ops->get_flags)
+ return 0;
+ return dev->ethtool_ops->get_flags(dev);
+}
#endif /* __KERNEL__ */
-#endif /* _LINUX_DEV_H */
+#endif /* _LINUX_NETDEVICE_H */