2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
6 * Definitions for the Interfaces handler.
8 * Version: @(#)dev.h 1.0.10 08/12/93
11 * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
12 * Corey Minyard <wf-rch!minyard@relay.EU.net>
13 * Donald J. Becker, <becker@cesdis.gsfc.nasa.gov>
14 * Alan Cox, <Alan.Cox@linux.org>
15 * Bjorn Ekwall. <bj0rn@blox.se>
16 * Pekka Riikonen <priikone@poseidon.pspt.fi>
18 * This program is free software; you can redistribute it and/or
19 * modify it under the terms of the GNU General Public License
20 * as published by the Free Software Foundation; either version
21 * 2 of the License, or (at your option) any later version.
23 * Moved to /usr/include/linux for NET3
25 #ifndef _LINUX_NETDEVICE_H
26 #define _LINUX_NETDEVICE_H
29 #include <linux/if_ether.h>
30 #include <linux/if_packet.h>
33 #include <linux/timer.h>
34 #include <linux/delay.h>
35 #include <asm/atomic.h>
36 #include <asm/cache.h>
37 #include <asm/byteorder.h>
39 #include <linux/device.h>
40 #include <linux/percpu.h>
41 #include <linux/dmaengine.h>
42 #include <linux/workqueue.h>
44 #include <net/net_namespace.h>
51 /* source back-compat hooks */
52 #define SET_ETHTOOL_OPS(netdev,ops) \
53 ( (netdev)->ethtool_ops = (ops) )
55 #define HAVE_ALLOC_NETDEV /* feature macro: alloc_xxxdev
56 functions are available. */
57 #define HAVE_FREE_NETDEV /* free_netdev() */
58 #define HAVE_NETDEV_PRIV /* netdev_priv() */
60 #define NET_XMIT_SUCCESS 0
61 #define NET_XMIT_DROP 1 /* skb dropped */
62 #define NET_XMIT_CN 2 /* congestion notification */
63 #define NET_XMIT_POLICED 3 /* skb is shot by police */
64 #define NET_XMIT_BYPASS 4 /* packet does not leave via dequeue;
65 (TC use only - dev_queue_xmit
66 returns this as NET_XMIT_SUCCESS) */
68 /* Backlog congestion levels */
69 #define NET_RX_SUCCESS 0 /* keep 'em coming, baby */
70 #define NET_RX_DROP 1 /* packet dropped */
71 #define NET_RX_CN_LOW 2 /* storm alert, just in case */
72 #define NET_RX_CN_MOD 3 /* Storm on its way! */
73 #define NET_RX_CN_HIGH 4 /* The storm is here */
74 #define NET_RX_BAD 5 /* packet dropped due to kernel error */
76 /* NET_XMIT_CN is special. It does not guarantee that this packet is lost. It
77 * indicates that the device will soon be dropping packets, or already drops
78 * some packets of the same priority; prompting us to send less aggressively. */
79 #define net_xmit_eval(e) ((e) == NET_XMIT_CN? 0 : (e))
80 #define net_xmit_errno(e) ((e) != NET_XMIT_CN ? -ENOBUFS : 0)
84 #define MAX_ADDR_LEN 32 /* Largest hardware address length */
86 /* Driver transmit return codes */
87 #define NETDEV_TX_OK 0 /* driver took care of packet */
88 #define NETDEV_TX_BUSY 1 /* driver tx path was busy*/
89 #define NETDEV_TX_LOCKED -1 /* driver tx lock was already taken */
92 * Compute the worst case header length according to the protocols
96 #if !defined(CONFIG_AX25) && !defined(CONFIG_AX25_MODULE) && !defined(CONFIG_TR)
97 #define LL_MAX_HEADER 32
99 #if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
100 #define LL_MAX_HEADER 96
102 #define LL_MAX_HEADER 48
106 #if !defined(CONFIG_NET_IPIP) && !defined(CONFIG_NET_IPIP_MODULE) && \
107 !defined(CONFIG_NET_IPGRE) && !defined(CONFIG_NET_IPGRE_MODULE) && \
108 !defined(CONFIG_IPV6_SIT) && !defined(CONFIG_IPV6_SIT_MODULE) && \
109 !defined(CONFIG_IPV6_TUNNEL) && !defined(CONFIG_IPV6_TUNNEL_MODULE)
110 #define MAX_HEADER LL_MAX_HEADER
112 #define MAX_HEADER (LL_MAX_HEADER + 48)
115 struct net_device_subqueue
117 /* Give a control state for each queue. This struct may contain
118 * per-queue locks in the future.
124 * Network device statistics. Akin to the 2.0 ether stats but
125 * with byte counters.
128 struct net_device_stats
130 unsigned long rx_packets
; /* total packets received */
131 unsigned long tx_packets
; /* total packets transmitted */
132 unsigned long rx_bytes
; /* total bytes received */
133 unsigned long tx_bytes
; /* total bytes transmitted */
134 unsigned long rx_errors
; /* bad packets received */
135 unsigned long tx_errors
; /* packet transmit problems */
136 unsigned long rx_dropped
; /* no space in linux buffers */
137 unsigned long tx_dropped
; /* no space available in linux */
138 unsigned long multicast
; /* multicast packets received */
139 unsigned long collisions
;
141 /* detailed rx_errors: */
142 unsigned long rx_length_errors
;
143 unsigned long rx_over_errors
; /* receiver ring buff overflow */
144 unsigned long rx_crc_errors
; /* recved pkt with crc error */
145 unsigned long rx_frame_errors
; /* recv'd frame alignment error */
146 unsigned long rx_fifo_errors
; /* recv'r fifo overrun */
147 unsigned long rx_missed_errors
; /* receiver missed packet */
149 /* detailed tx_errors */
150 unsigned long tx_aborted_errors
;
151 unsigned long tx_carrier_errors
;
152 unsigned long tx_fifo_errors
;
153 unsigned long tx_heartbeat_errors
;
154 unsigned long tx_window_errors
;
157 unsigned long rx_compressed
;
158 unsigned long tx_compressed
;
162 /* Media selection options. */
175 #include <linux/cache.h>
176 #include <linux/skbuff.h>
182 struct netif_rx_stats
186 unsigned time_squeeze
;
187 unsigned cpu_collision
;
190 DECLARE_PER_CPU(struct netif_rx_stats
, netdev_rx_stat
);
194 struct dev_addr_list
*next
;
195 u8 da_addr
[MAX_ADDR_LEN
];
203 * We tag multicasts with these structures.
206 #define dev_mc_list dev_addr_list
207 #define dmi_addr da_addr
208 #define dmi_addrlen da_addrlen
209 #define dmi_users da_users
210 #define dmi_gusers da_gusers
214 struct hh_cache
*hh_next
; /* Next entry */
215 atomic_t hh_refcnt
; /* number of users */
217 * We want hh_output, hh_len, hh_lock and hh_data be a in a separate
219 * They are mostly read, but hh_refcnt may be changed quite frequently,
220 * incurring cache line ping pongs.
222 __be16 hh_type ____cacheline_aligned_in_smp
;
223 /* protocol identifier, f.e ETH_P_IP
224 * NOTE: For VLANs, this will be the
225 * encapuslated type. --BLG
227 u16 hh_len
; /* length of header */
228 int (*hh_output
)(struct sk_buff
*skb
);
231 /* cached hardware header; allow for machine alignment needs. */
232 #define HH_DATA_MOD 16
233 #define HH_DATA_OFF(__len) \
234 (HH_DATA_MOD - (((__len - 1) & (HH_DATA_MOD - 1)) + 1))
235 #define HH_DATA_ALIGN(__len) \
236 (((__len)+(HH_DATA_MOD-1))&~(HH_DATA_MOD - 1))
237 unsigned long hh_data
[HH_DATA_ALIGN(LL_MAX_HEADER
) / sizeof(long)];
240 /* Reserve HH_DATA_MOD byte aligned hard_header_len, but at least that much.
242 * dev->hard_header_len ? (dev->hard_header_len +
243 * (HH_DATA_MOD - 1)) & ~(HH_DATA_MOD - 1) : 0
245 * We could use other alignment values, but we must maintain the
246 * relationship HH alignment <= LL alignment.
248 #define LL_RESERVED_SPACE(dev) \
249 (((dev)->hard_header_len&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
250 #define LL_RESERVED_SPACE_EXTRA(dev,extra) \
251 ((((dev)->hard_header_len+extra)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
253 /* These flag bits are private to the generic network queueing
254 * layer, they may not be explicitly referenced by any other
262 __LINK_STATE_PRESENT
,
264 __LINK_STATE_NOCARRIER
,
265 __LINK_STATE_LINKWATCH_PENDING
,
266 __LINK_STATE_DORMANT
,
267 __LINK_STATE_QDISC_RUNNING
,
272 * This structure holds at boot time configured netdevice settings. They
273 * are then used in the device probing.
275 struct netdev_boot_setup
{
279 #define NETDEV_BOOT_SETUP_MAX 8
281 extern int __init
netdev_boot_setup(char *str
);
284 * Structure for NAPI scheduling similar to tasklet but with weighting
287 /* The poll_list must only be managed by the entity which
288 * changes the state of the NAPI_STATE_SCHED bit. This means
289 * whoever atomically sets that bit can add this napi_struct
290 * to the per-cpu poll_list, and whoever clears that bit
291 * can remove from the list right before clearing the bit.
293 struct list_head poll_list
;
297 int (*poll
)(struct napi_struct
*, int);
298 #ifdef CONFIG_NETPOLL
299 spinlock_t poll_lock
;
301 struct net_device
*dev
;
302 struct list_head dev_list
;
308 NAPI_STATE_SCHED
, /* Poll is scheduled */
311 extern void FASTCALL(__napi_schedule(struct napi_struct
*n
));
314 * napi_schedule_prep - check if napi can be scheduled
317 * Test if NAPI routine is already running, and if not mark
318 * it as running. This is used as a condition variable
319 * insure only one NAPI poll instance runs
321 static inline int napi_schedule_prep(struct napi_struct
*n
)
323 return !test_and_set_bit(NAPI_STATE_SCHED
, &n
->state
);
327 * napi_schedule - schedule NAPI poll
330 * Schedule NAPI poll routine to be called if it is not already
333 static inline void napi_schedule(struct napi_struct
*n
)
335 if (napi_schedule_prep(n
))
340 * napi_complete - NAPI processing complete
343 * Mark NAPI processing as complete.
345 static inline void __napi_complete(struct napi_struct
*n
)
347 BUG_ON(!test_bit(NAPI_STATE_SCHED
, &n
->state
));
348 list_del(&n
->poll_list
);
349 smp_mb__before_clear_bit();
350 clear_bit(NAPI_STATE_SCHED
, &n
->state
);
353 static inline void napi_complete(struct napi_struct
*n
)
361 * napi_disable - prevent NAPI from scheduling
364 * Stop NAPI from being scheduled on this context.
365 * Waits till any outstanding processing completes.
367 static inline void napi_disable(struct napi_struct
*n
)
369 while (test_and_set_bit(NAPI_STATE_SCHED
, &n
->state
))
370 msleep_interruptible(1);
374 * napi_enable - enable NAPI scheduling
377 * Resume NAPI from being scheduled on this context.
378 * Must be paired with napi_disable.
380 static inline void napi_enable(struct napi_struct
*n
)
382 BUG_ON(!test_bit(NAPI_STATE_SCHED
, &n
->state
));
383 smp_mb__before_clear_bit();
384 clear_bit(NAPI_STATE_SCHED
, &n
->state
);
388 * The DEVICE structure.
389 * Actually, this whole structure is a big mistake. It mixes I/O
390 * data with strictly "high-level" data, and it has to know about
391 * almost every data structure used in the INET module.
393 * FIXME: cleanup struct net_device such that network protocol info
401 * This is the first field of the "visible" part of this structure
402 * (i.e. as seen by users in the "Space.c" file). It is the name
406 /* device name hash chain */
407 struct hlist_node name_hlist
;
410 * I/O specific fields
411 * FIXME: Merge these and struct ifmap into one
413 unsigned long mem_end
; /* shared mem end */
414 unsigned long mem_start
; /* shared mem start */
415 unsigned long base_addr
; /* device I/O address */
416 unsigned int irq
; /* device IRQ number */
419 * Some hardware also needs these fields, but they are not
420 * part of the usual set specified in Space.c.
423 unsigned char if_port
; /* Selectable AUI, TP,..*/
424 unsigned char dma
; /* DMA channel */
428 struct list_head dev_list
;
429 #ifdef CONFIG_NETPOLL
430 struct list_head napi_list
;
433 /* The device initialization function. Called only once. */
434 int (*init
)(struct net_device
*dev
);
436 /* ------- Fields preinitialized in Space.c finish here ------- */
438 /* Net device features */
439 unsigned long features
;
440 #define NETIF_F_SG 1 /* Scatter/gather IO. */
441 #define NETIF_F_IP_CSUM 2 /* Can checksum TCP/UDP over IPv4. */
442 #define NETIF_F_NO_CSUM 4 /* Does not require checksum. F.e. loopack. */
443 #define NETIF_F_HW_CSUM 8 /* Can checksum all the packets. */
444 #define NETIF_F_IPV6_CSUM 16 /* Can checksum TCP/UDP over IPV6 */
445 #define NETIF_F_HIGHDMA 32 /* Can DMA to high memory. */
446 #define NETIF_F_FRAGLIST 64 /* Scatter/gather IO. */
447 #define NETIF_F_HW_VLAN_TX 128 /* Transmit VLAN hw acceleration */
448 #define NETIF_F_HW_VLAN_RX 256 /* Receive VLAN hw acceleration */
449 #define NETIF_F_HW_VLAN_FILTER 512 /* Receive filtering on VLAN */
450 #define NETIF_F_VLAN_CHALLENGED 1024 /* Device cannot handle VLAN packets */
451 #define NETIF_F_GSO 2048 /* Enable software GSO. */
452 #define NETIF_F_LLTX 4096 /* LockLess TX */
453 #define NETIF_F_NETNS_LOCAL 8192 /* Does not change network namespaces */
454 #define NETIF_F_MULTI_QUEUE 16384 /* Has multiple TX/RX queues */
455 #define NETIF_F_LRO 32768 /* large receive offload */
457 /* Segmentation offload features */
458 #define NETIF_F_GSO_SHIFT 16
459 #define NETIF_F_GSO_MASK 0xffff0000
460 #define NETIF_F_TSO (SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)
461 #define NETIF_F_UFO (SKB_GSO_UDP << NETIF_F_GSO_SHIFT)
462 #define NETIF_F_GSO_ROBUST (SKB_GSO_DODGY << NETIF_F_GSO_SHIFT)
463 #define NETIF_F_TSO_ECN (SKB_GSO_TCP_ECN << NETIF_F_GSO_SHIFT)
464 #define NETIF_F_TSO6 (SKB_GSO_TCPV6 << NETIF_F_GSO_SHIFT)
466 /* List of features with software fallbacks. */
467 #define NETIF_F_GSO_SOFTWARE (NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6)
470 #define NETIF_F_GEN_CSUM (NETIF_F_NO_CSUM | NETIF_F_HW_CSUM)
471 #define NETIF_F_V4_CSUM (NETIF_F_GEN_CSUM | NETIF_F_IP_CSUM)
472 #define NETIF_F_V6_CSUM (NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM)
473 #define NETIF_F_ALL_CSUM (NETIF_F_V4_CSUM | NETIF_F_V6_CSUM)
475 struct net_device
*next_sched
;
477 /* Interface index. Unique device identifier */
482 struct net_device_stats
* (*get_stats
)(struct net_device
*dev
);
483 struct net_device_stats stats
;
485 #ifdef CONFIG_WIRELESS_EXT
486 /* List of functions to handle Wireless Extensions (instead of ioctl).
487 * See <net/iw_handler.h> for details. Jean II */
488 const struct iw_handler_def
* wireless_handlers
;
489 /* Instance data managed by the core of Wireless Extensions. */
490 struct iw_public_data
* wireless_data
;
492 const struct ethtool_ops
*ethtool_ops
;
495 * This marks the end of the "visible" part of the structure. All
496 * fields hereafter are internal to the system, and may change at
497 * will (read: may be cleaned up at will).
501 unsigned int flags
; /* interface flags (a la BSD) */
502 unsigned short gflags
;
503 unsigned short priv_flags
; /* Like 'flags' but invisible to userspace. */
504 unsigned short padded
; /* How much padding added by alloc_netdev() */
506 unsigned char operstate
; /* RFC2863 operstate */
507 unsigned char link_mode
; /* mapping policy to operstate */
509 unsigned mtu
; /* interface MTU value */
510 unsigned short type
; /* interface hardware type */
511 unsigned short hard_header_len
; /* hardware hdr length */
513 struct net_device
*master
; /* Pointer to master device of a group,
514 * which this device is member of.
517 /* Interface address info. */
518 unsigned char perm_addr
[MAX_ADDR_LEN
]; /* permanent hw address */
519 unsigned char addr_len
; /* hardware address length */
520 unsigned short dev_id
; /* for shared network cards */
522 struct dev_addr_list
*uc_list
; /* Secondary unicast mac addresses */
523 int uc_count
; /* Number of installed ucasts */
525 struct dev_addr_list
*mc_list
; /* Multicast mac addresses */
526 int mc_count
; /* Number of installed mcasts */
531 /* Protocol specific pointers */
533 void *atalk_ptr
; /* AppleTalk link */
534 void *ip_ptr
; /* IPv4 specific data */
535 void *dn_ptr
; /* DECnet specific data */
536 void *ip6_ptr
; /* IPv6 specific data */
537 void *ec_ptr
; /* Econet specific data */
538 void *ax25_ptr
; /* AX.25 specific data */
539 struct wireless_dev
*ieee80211_ptr
; /* IEEE 802.11 specific data,
540 assign before registering */
543 * Cache line mostly used on receive path (including eth_type_trans())
545 unsigned long last_rx
; /* Time of last Rx */
546 /* Interface address info used in eth_type_trans() */
547 unsigned char dev_addr
[MAX_ADDR_LEN
]; /* hw address, (before bcast
548 because most packets are unicast) */
550 unsigned char broadcast
[MAX_ADDR_LEN
]; /* hw bcast add */
553 * Cache line mostly used on queue transmit path (qdisc)
555 /* device queue lock */
556 spinlock_t queue_lock ____cacheline_aligned_in_smp
;
558 struct Qdisc
*qdisc_sleeping
;
559 struct list_head qdisc_list
;
560 unsigned long tx_queue_len
; /* Max frames per queue allowed */
562 /* Partially transmitted GSO packet. */
563 struct sk_buff
*gso_skb
;
565 /* ingress path synchronizer */
566 spinlock_t ingress_lock
;
567 struct Qdisc
*qdisc_ingress
;
570 * One part is mostly used on xmit path (device)
572 /* hard_start_xmit synchronizer */
573 spinlock_t _xmit_lock ____cacheline_aligned_in_smp
;
574 /* cpu id of processor entered to hard_start_xmit or -1,
575 if nobody entered there.
578 void *priv
; /* pointer to private data */
579 int (*hard_start_xmit
) (struct sk_buff
*skb
,
580 struct net_device
*dev
);
581 /* These may be needed for future network-power-down code. */
582 unsigned long trans_start
; /* Time (in jiffies) of last Tx */
584 int watchdog_timeo
; /* used by dev_watchdog() */
585 struct timer_list watchdog_timer
;
588 * refcnt is a very hot point, so align it on SMP
590 /* Number of references to this device */
591 atomic_t refcnt ____cacheline_aligned_in_smp
;
593 /* delayed register/unregister */
594 struct list_head todo_list
;
595 /* device index hash chain */
596 struct hlist_node index_hlist
;
598 struct net_device
*link_watch_next
;
600 /* register/unregister state machine */
601 enum { NETREG_UNINITIALIZED
=0,
602 NETREG_REGISTERED
, /* completed register_netdevice */
603 NETREG_UNREGISTERING
, /* called unregister_netdevice */
604 NETREG_UNREGISTERED
, /* completed unregister todo */
605 NETREG_RELEASED
, /* called free_netdev */
608 /* Called after device is detached from network. */
609 void (*uninit
)(struct net_device
*dev
);
610 /* Called after last user reference disappears. */
611 void (*destructor
)(struct net_device
*dev
);
613 /* Pointers to interface service routines. */
614 int (*open
)(struct net_device
*dev
);
615 int (*stop
)(struct net_device
*dev
);
616 #define HAVE_NETDEV_POLL
617 int (*hard_header
) (struct sk_buff
*skb
,
618 struct net_device
*dev
,
623 int (*rebuild_header
)(struct sk_buff
*skb
);
624 #define HAVE_CHANGE_RX_FLAGS
625 void (*change_rx_flags
)(struct net_device
*dev
,
627 #define HAVE_SET_RX_MODE
628 void (*set_rx_mode
)(struct net_device
*dev
);
629 #define HAVE_MULTICAST
630 void (*set_multicast_list
)(struct net_device
*dev
);
631 #define HAVE_SET_MAC_ADDR
632 int (*set_mac_address
)(struct net_device
*dev
,
634 #define HAVE_PRIVATE_IOCTL
635 int (*do_ioctl
)(struct net_device
*dev
,
636 struct ifreq
*ifr
, int cmd
);
637 #define HAVE_SET_CONFIG
638 int (*set_config
)(struct net_device
*dev
,
640 #define HAVE_HEADER_CACHE
641 int (*hard_header_cache
)(struct neighbour
*neigh
,
642 struct hh_cache
*hh
);
643 void (*header_cache_update
)(struct hh_cache
*hh
,
644 struct net_device
*dev
,
645 unsigned char * haddr
);
646 #define HAVE_CHANGE_MTU
647 int (*change_mtu
)(struct net_device
*dev
, int new_mtu
);
649 #define HAVE_TX_TIMEOUT
650 void (*tx_timeout
) (struct net_device
*dev
);
652 void (*vlan_rx_register
)(struct net_device
*dev
,
653 struct vlan_group
*grp
);
654 void (*vlan_rx_add_vid
)(struct net_device
*dev
,
656 void (*vlan_rx_kill_vid
)(struct net_device
*dev
,
659 int (*hard_header_parse
)(struct sk_buff
*skb
,
660 unsigned char *haddr
);
661 int (*neigh_setup
)(struct net_device
*dev
, struct neigh_parms
*);
662 #ifdef CONFIG_NETPOLL
663 struct netpoll_info
*npinfo
;
665 #ifdef CONFIG_NET_POLL_CONTROLLER
666 void (*poll_controller
)(struct net_device
*dev
);
669 /* Network namespace this network device is inside */
673 struct net_bridge_port
*br_port
;
675 struct macvlan_port
*macvlan_port
;
677 /* class/net/name entry */
679 /* space for optional statistics and wireless sysfs groups */
680 struct attribute_group
*sysfs_groups
[3];
682 /* rtnetlink link ops */
683 const struct rtnl_link_ops
*rtnl_link_ops
;
685 /* The TX queue control structures */
686 unsigned int egress_subqueue_count
;
687 struct net_device_subqueue egress_subqueue
[1];
689 #define to_net_dev(d) container_of(d, struct net_device, dev)
691 #define NETDEV_ALIGN 32
692 #define NETDEV_ALIGN_CONST (NETDEV_ALIGN - 1)
695 * netdev_priv - access network device private data
696 * @dev: network device
698 * Get network device private data
700 static inline void *netdev_priv(const struct net_device
*dev
)
705 /* Set the sysfs physical device reference for the network logical device
706 * if set prior to registration will cause a symlink during initialization.
708 #define SET_NETDEV_DEV(net, pdev) ((net)->dev.parent = (pdev))
710 static inline void netif_napi_add(struct net_device
*dev
,
711 struct napi_struct
*napi
,
712 int (*poll
)(struct napi_struct
*, int),
715 INIT_LIST_HEAD(&napi
->poll_list
);
717 napi
->weight
= weight
;
718 #ifdef CONFIG_NETPOLL
720 list_add(&napi
->dev_list
, &dev
->napi_list
);
721 spin_lock_init(&napi
->poll_lock
);
722 napi
->poll_owner
= -1;
724 set_bit(NAPI_STATE_SCHED
, &napi
->state
);
728 __be16 type
; /* This is really htons(ether_type). */
729 struct net_device
*dev
; /* NULL is wildcarded here */
730 int (*func
) (struct sk_buff
*,
732 struct packet_type
*,
733 struct net_device
*);
734 struct sk_buff
*(*gso_segment
)(struct sk_buff
*skb
,
736 int (*gso_send_check
)(struct sk_buff
*skb
);
737 void *af_packet_priv
;
738 struct list_head list
;
741 #include <linux/interrupt.h>
742 #include <linux/notifier.h>
744 extern struct net_device loopback_dev
; /* The loopback */
745 extern rwlock_t dev_base_lock
; /* Device list lock */
748 #define for_each_netdev(net, d) \
749 list_for_each_entry(d, &(net)->dev_base_head, dev_list)
750 #define for_each_netdev_safe(net, d, n) \
751 list_for_each_entry_safe(d, n, &(net)->dev_base_head, dev_list)
752 #define for_each_netdev_continue(net, d) \
753 list_for_each_entry_continue(d, &(net)->dev_base_head, dev_list)
754 #define net_device_entry(lh) list_entry(lh, struct net_device, dev_list)
756 static inline struct net_device
*next_net_device(struct net_device
*dev
)
758 struct list_head
*lh
;
762 lh
= dev
->dev_list
.next
;
763 return lh
== &net
->dev_base_head
? NULL
: net_device_entry(lh
);
766 static inline struct net_device
*first_net_device(struct net
*net
)
768 return list_empty(&net
->dev_base_head
) ? NULL
:
769 net_device_entry(net
->dev_base_head
.next
);
772 extern int netdev_boot_setup_check(struct net_device
*dev
);
773 extern unsigned long netdev_boot_base(const char *prefix
, int unit
);
774 extern struct net_device
*dev_getbyhwaddr(struct net
*net
, unsigned short type
, char *hwaddr
);
775 extern struct net_device
*dev_getfirstbyhwtype(struct net
*net
, unsigned short type
);
776 extern struct net_device
*__dev_getfirstbyhwtype(struct net
*net
, unsigned short type
);
777 extern void dev_add_pack(struct packet_type
*pt
);
778 extern void dev_remove_pack(struct packet_type
*pt
);
779 extern void __dev_remove_pack(struct packet_type
*pt
);
781 extern struct net_device
*dev_get_by_flags(struct net
*net
, unsigned short flags
,
782 unsigned short mask
);
783 extern struct net_device
*dev_get_by_name(struct net
*net
, const char *name
);
784 extern struct net_device
*__dev_get_by_name(struct net
*net
, const char *name
);
785 extern int dev_alloc_name(struct net_device
*dev
, const char *name
);
786 extern int dev_open(struct net_device
*dev
);
787 extern int dev_close(struct net_device
*dev
);
788 extern int dev_queue_xmit(struct sk_buff
*skb
);
789 extern int register_netdevice(struct net_device
*dev
);
790 extern void unregister_netdevice(struct net_device
*dev
);
791 extern void free_netdev(struct net_device
*dev
);
792 extern void synchronize_net(void);
793 extern int register_netdevice_notifier(struct notifier_block
*nb
);
794 extern int unregister_netdevice_notifier(struct notifier_block
*nb
);
795 extern int call_netdevice_notifiers(unsigned long val
, struct net_device
*dev
);
796 extern struct net_device
*dev_get_by_index(struct net
*net
, int ifindex
);
797 extern struct net_device
*__dev_get_by_index(struct net
*net
, int ifindex
);
798 extern int dev_restart(struct net_device
*dev
);
799 #ifdef CONFIG_NETPOLL_TRAP
800 extern int netpoll_trap(void);
803 typedef int gifconf_func_t(struct net_device
* dev
, char __user
* bufptr
, int len
);
804 extern int register_gifconf(unsigned int family
, gifconf_func_t
* gifconf
);
805 static inline int unregister_gifconf(unsigned int family
)
807 return register_gifconf(family
, NULL
);
811 * Incoming packets are placed on per-cpu queues so that
812 * no locking is needed.
816 struct net_device
*output_queue
;
817 struct sk_buff_head input_pkt_queue
;
818 struct list_head poll_list
;
819 struct sk_buff
*completion_queue
;
821 struct napi_struct backlog
;
822 #ifdef CONFIG_NET_DMA
823 struct dma_chan
*net_dma
;
827 DECLARE_PER_CPU(struct softnet_data
,softnet_data
);
829 #define HAVE_NETIF_QUEUE
831 extern void __netif_schedule(struct net_device
*dev
);
833 static inline void netif_schedule(struct net_device
*dev
)
835 if (!test_bit(__LINK_STATE_XOFF
, &dev
->state
))
836 __netif_schedule(dev
);
840 * netif_start_queue - allow transmit
841 * @dev: network device
843 * Allow upper layers to call the device hard_start_xmit routine.
845 static inline void netif_start_queue(struct net_device
*dev
)
847 clear_bit(__LINK_STATE_XOFF
, &dev
->state
);
851 * netif_wake_queue - restart transmit
852 * @dev: network device
854 * Allow upper layers to call the device hard_start_xmit routine.
855 * Used for flow control when transmit resources are available.
857 static inline void netif_wake_queue(struct net_device
*dev
)
859 #ifdef CONFIG_NETPOLL_TRAP
860 if (netpoll_trap()) {
861 clear_bit(__LINK_STATE_XOFF
, &dev
->state
);
865 if (test_and_clear_bit(__LINK_STATE_XOFF
, &dev
->state
))
866 __netif_schedule(dev
);
870 * netif_stop_queue - stop transmitted packets
871 * @dev: network device
873 * Stop upper layers calling the device hard_start_xmit routine.
874 * Used for flow control when transmit resources are unavailable.
876 static inline void netif_stop_queue(struct net_device
*dev
)
878 set_bit(__LINK_STATE_XOFF
, &dev
->state
);
882 * netif_queue_stopped - test if transmit queue is flowblocked
883 * @dev: network device
885 * Test if transmit queue on device is currently unable to send.
887 static inline int netif_queue_stopped(const struct net_device
*dev
)
889 return test_bit(__LINK_STATE_XOFF
, &dev
->state
);
893 * netif_running - test if up
894 * @dev: network device
896 * Test if the device has been brought up.
898 static inline int netif_running(const struct net_device
*dev
)
900 return test_bit(__LINK_STATE_START
, &dev
->state
);
904 * Routines to manage the subqueues on a device. We only need start
905 * stop, and a check if it's stopped. All other device management is
906 * done at the overall netdevice level.
907 * Also test the device if we're multiqueue.
911 * netif_start_subqueue - allow sending packets on subqueue
912 * @dev: network device
913 * @queue_index: sub queue index
915 * Start individual transmit queue of a device with multiple transmit queues.
917 static inline void netif_start_subqueue(struct net_device
*dev
, u16 queue_index
)
919 #ifdef CONFIG_NETDEVICES_MULTIQUEUE
920 clear_bit(__LINK_STATE_XOFF
, &dev
->egress_subqueue
[queue_index
].state
);
925 * netif_stop_subqueue - stop sending packets on subqueue
926 * @dev: network device
927 * @queue_index: sub queue index
929 * Stop individual transmit queue of a device with multiple transmit queues.
931 static inline void netif_stop_subqueue(struct net_device
*dev
, u16 queue_index
)
933 #ifdef CONFIG_NETDEVICES_MULTIQUEUE
934 #ifdef CONFIG_NETPOLL_TRAP
938 set_bit(__LINK_STATE_XOFF
, &dev
->egress_subqueue
[queue_index
].state
);
943 * netif_subqueue_stopped - test status of subqueue
944 * @dev: network device
945 * @queue_index: sub queue index
947 * Check individual transmit queue of a device with multiple transmit queues.
949 static inline int netif_subqueue_stopped(const struct net_device
*dev
,
952 #ifdef CONFIG_NETDEVICES_MULTIQUEUE
953 return test_bit(__LINK_STATE_XOFF
,
954 &dev
->egress_subqueue
[queue_index
].state
);
962 * netif_wake_subqueue - allow sending packets on subqueue
963 * @dev: network device
964 * @queue_index: sub queue index
966 * Resume individual transmit queue of a device with multiple transmit queues.
968 static inline void netif_wake_subqueue(struct net_device
*dev
, u16 queue_index
)
970 #ifdef CONFIG_NETDEVICES_MULTIQUEUE
971 #ifdef CONFIG_NETPOLL_TRAP
975 if (test_and_clear_bit(__LINK_STATE_XOFF
,
976 &dev
->egress_subqueue
[queue_index
].state
))
977 __netif_schedule(dev
);
982 * netif_is_multiqueue - test if device has multiple transmit queues
983 * @dev: network device
985 * Check if device has multiple transmit queues
986 * Always falls if NETDEVICE_MULTIQUEUE is not configured
988 static inline int netif_is_multiqueue(const struct net_device
*dev
)
990 #ifdef CONFIG_NETDEVICES_MULTIQUEUE
991 return (!!(NETIF_F_MULTI_QUEUE
& dev
->features
));
997 /* Use this variant when it is known for sure that it
998 * is executing from interrupt context.
1000 extern void dev_kfree_skb_irq(struct sk_buff
*skb
);
1002 /* Use this variant in places where it could be invoked
1003 * either from interrupt or non-interrupt context.
1005 extern void dev_kfree_skb_any(struct sk_buff
*skb
);
1007 #define HAVE_NETIF_RX 1
1008 extern int netif_rx(struct sk_buff
*skb
);
1009 extern int netif_rx_ni(struct sk_buff
*skb
);
1010 #define HAVE_NETIF_RECEIVE_SKB 1
1011 extern int netif_receive_skb(struct sk_buff
*skb
);
1012 extern int dev_valid_name(const char *name
);
1013 extern int dev_ioctl(struct net
*net
, unsigned int cmd
, void __user
*);
1014 extern int dev_ethtool(struct net
*net
, struct ifreq
*);
1015 extern unsigned dev_get_flags(const struct net_device
*);
1016 extern int dev_change_flags(struct net_device
*, unsigned);
1017 extern int dev_change_name(struct net_device
*, char *);
1018 extern int dev_change_net_namespace(struct net_device
*,
1019 struct net
*, const char *);
1020 extern int dev_set_mtu(struct net_device
*, int);
1021 extern int dev_set_mac_address(struct net_device
*,
1023 extern int dev_hard_start_xmit(struct sk_buff
*skb
,
1024 struct net_device
*dev
);
1026 extern int netdev_budget
;
1028 /* Called by rtnetlink.c:rtnl_unlock() */
1029 extern void netdev_run_todo(void);
1032 * dev_put - release reference to device
1033 * @dev: network device
1035 * Hold reference to device to keep it from being freed.
1037 static inline void dev_put(struct net_device
*dev
)
1039 atomic_dec(&dev
->refcnt
);
1043 * dev_hold - get reference to device
1044 * @dev: network device
1046 * Release reference to device to allow it to be freed.
1048 static inline void dev_hold(struct net_device
*dev
)
1050 atomic_inc(&dev
->refcnt
);
1053 /* Carrier loss detection, dial on demand. The functions netif_carrier_on
1054 * and _off may be called from IRQ context, but it is caller
1055 * who is responsible for serialization of these calls.
1057 * The name carrier is inappropriate, these functions should really be
1058 * called netif_lowerlayer_*() because they represent the state of any
1059 * kind of lower layer not just hardware media.
1062 extern void linkwatch_fire_event(struct net_device
*dev
);
1065 * netif_carrier_ok - test if carrier present
1066 * @dev: network device
1068 * Check if carrier is present on device
1070 static inline int netif_carrier_ok(const struct net_device
*dev
)
1072 return !test_bit(__LINK_STATE_NOCARRIER
, &dev
->state
);
1075 extern void __netdev_watchdog_up(struct net_device
*dev
);
1077 extern void netif_carrier_on(struct net_device
*dev
);
1079 extern void netif_carrier_off(struct net_device
*dev
);
1082 * netif_dormant_on - mark device as dormant.
1083 * @dev: network device
1085 * Mark device as dormant (as per RFC2863).
1087 * The dormant state indicates that the relevant interface is not
1088 * actually in a condition to pass packets (i.e., it is not 'up') but is
1089 * in a "pending" state, waiting for some external event. For "on-
1090 * demand" interfaces, this new state identifies the situation where the
1091 * interface is waiting for events to place it in the up state.
1094 static inline void netif_dormant_on(struct net_device
*dev
)
1096 if (!test_and_set_bit(__LINK_STATE_DORMANT
, &dev
->state
))
1097 linkwatch_fire_event(dev
);
1101 * netif_dormant_off - set device as not dormant.
1102 * @dev: network device
1104 * Device is not in dormant state.
1106 static inline void netif_dormant_off(struct net_device
*dev
)
1108 if (test_and_clear_bit(__LINK_STATE_DORMANT
, &dev
->state
))
1109 linkwatch_fire_event(dev
);
1113 * netif_dormant - test if carrier present
1114 * @dev: network device
1116 * Check if carrier is present on device
1118 static inline int netif_dormant(const struct net_device
*dev
)
1120 return test_bit(__LINK_STATE_DORMANT
, &dev
->state
);
1125 * netif_oper_up - test if device is operational
1126 * @dev: network device
1128 * Check if carrier is operational
1130 static inline int netif_oper_up(const struct net_device
*dev
) {
1131 return (dev
->operstate
== IF_OPER_UP
||
1132 dev
->operstate
== IF_OPER_UNKNOWN
/* backward compat */);
1136 * netif_device_present - is device available or removed
1137 * @dev: network device
1139 * Check if device has not been removed from system.
1141 static inline int netif_device_present(struct net_device
*dev
)
1143 return test_bit(__LINK_STATE_PRESENT
, &dev
->state
);
1146 extern void netif_device_detach(struct net_device
*dev
);
1148 extern void netif_device_attach(struct net_device
*dev
);
1151 * Network interface message level settings
1153 #define HAVE_NETIF_MSG 1
1156 NETIF_MSG_DRV
= 0x0001,
1157 NETIF_MSG_PROBE
= 0x0002,
1158 NETIF_MSG_LINK
= 0x0004,
1159 NETIF_MSG_TIMER
= 0x0008,
1160 NETIF_MSG_IFDOWN
= 0x0010,
1161 NETIF_MSG_IFUP
= 0x0020,
1162 NETIF_MSG_RX_ERR
= 0x0040,
1163 NETIF_MSG_TX_ERR
= 0x0080,
1164 NETIF_MSG_TX_QUEUED
= 0x0100,
1165 NETIF_MSG_INTR
= 0x0200,
1166 NETIF_MSG_TX_DONE
= 0x0400,
1167 NETIF_MSG_RX_STATUS
= 0x0800,
1168 NETIF_MSG_PKTDATA
= 0x1000,
1169 NETIF_MSG_HW
= 0x2000,
1170 NETIF_MSG_WOL
= 0x4000,
1173 #define netif_msg_drv(p) ((p)->msg_enable & NETIF_MSG_DRV)
1174 #define netif_msg_probe(p) ((p)->msg_enable & NETIF_MSG_PROBE)
1175 #define netif_msg_link(p) ((p)->msg_enable & NETIF_MSG_LINK)
1176 #define netif_msg_timer(p) ((p)->msg_enable & NETIF_MSG_TIMER)
1177 #define netif_msg_ifdown(p) ((p)->msg_enable & NETIF_MSG_IFDOWN)
1178 #define netif_msg_ifup(p) ((p)->msg_enable & NETIF_MSG_IFUP)
1179 #define netif_msg_rx_err(p) ((p)->msg_enable & NETIF_MSG_RX_ERR)
1180 #define netif_msg_tx_err(p) ((p)->msg_enable & NETIF_MSG_TX_ERR)
1181 #define netif_msg_tx_queued(p) ((p)->msg_enable & NETIF_MSG_TX_QUEUED)
1182 #define netif_msg_intr(p) ((p)->msg_enable & NETIF_MSG_INTR)
1183 #define netif_msg_tx_done(p) ((p)->msg_enable & NETIF_MSG_TX_DONE)
1184 #define netif_msg_rx_status(p) ((p)->msg_enable & NETIF_MSG_RX_STATUS)
1185 #define netif_msg_pktdata(p) ((p)->msg_enable & NETIF_MSG_PKTDATA)
1186 #define netif_msg_hw(p) ((p)->msg_enable & NETIF_MSG_HW)
1187 #define netif_msg_wol(p) ((p)->msg_enable & NETIF_MSG_WOL)
1189 static inline u32
netif_msg_init(int debug_value
, int default_msg_enable_bits
)
1192 if (debug_value
< 0 || debug_value
>= (sizeof(u32
) * 8))
1193 return default_msg_enable_bits
;
1194 if (debug_value
== 0) /* no output */
1196 /* set low N bits */
1197 return (1 << debug_value
) - 1;
1200 /* Test if receive needs to be scheduled but only if up */
1201 static inline int netif_rx_schedule_prep(struct net_device
*dev
,
1202 struct napi_struct
*napi
)
1204 return netif_running(dev
) && napi_schedule_prep(napi
);
1207 /* Add interface to tail of rx poll list. This assumes that _prep has
1208 * already been called and returned 1.
1210 static inline void __netif_rx_schedule(struct net_device
*dev
,
1211 struct napi_struct
*napi
)
1214 __napi_schedule(napi
);
1217 /* Try to reschedule poll. Called by irq handler. */
1219 static inline void netif_rx_schedule(struct net_device
*dev
,
1220 struct napi_struct
*napi
)
1222 if (netif_rx_schedule_prep(dev
, napi
))
1223 __netif_rx_schedule(dev
, napi
);
1226 /* Try to reschedule poll. Called by dev->poll() after netif_rx_complete(). */
1227 static inline int netif_rx_reschedule(struct net_device
*dev
,
1228 struct napi_struct
*napi
)
1230 if (napi_schedule_prep(napi
)) {
1231 __netif_rx_schedule(dev
, napi
);
1237 /* same as netif_rx_complete, except that local_irq_save(flags)
1238 * has already been issued
1240 static inline void __netif_rx_complete(struct net_device
*dev
,
1241 struct napi_struct
*napi
)
1243 __napi_complete(napi
);
1247 /* Remove interface from poll list: it must be in the poll list
1248 * on current cpu. This primitive is called by dev->poll(), when
1249 * it completes the work. The device cannot be out of poll list at this
1250 * moment, it is BUG().
1252 static inline void netif_rx_complete(struct net_device
*dev
,
1253 struct napi_struct
*napi
)
1255 unsigned long flags
;
1257 local_irq_save(flags
);
1258 __netif_rx_complete(dev
, napi
);
1259 local_irq_restore(flags
);
1263 * netif_tx_lock - grab network device transmit lock
1264 * @dev: network device
1266 * Get network device transmit lock
1268 static inline void __netif_tx_lock(struct net_device
*dev
, int cpu
)
1270 spin_lock(&dev
->_xmit_lock
);
1271 dev
->xmit_lock_owner
= cpu
;
1274 static inline void netif_tx_lock(struct net_device
*dev
)
1276 __netif_tx_lock(dev
, smp_processor_id());
1279 static inline void netif_tx_lock_bh(struct net_device
*dev
)
1281 spin_lock_bh(&dev
->_xmit_lock
);
1282 dev
->xmit_lock_owner
= smp_processor_id();
1285 static inline int netif_tx_trylock(struct net_device
*dev
)
1287 int ok
= spin_trylock(&dev
->_xmit_lock
);
1289 dev
->xmit_lock_owner
= smp_processor_id();
1293 static inline void netif_tx_unlock(struct net_device
*dev
)
1295 dev
->xmit_lock_owner
= -1;
1296 spin_unlock(&dev
->_xmit_lock
);
1299 static inline void netif_tx_unlock_bh(struct net_device
*dev
)
1301 dev
->xmit_lock_owner
= -1;
1302 spin_unlock_bh(&dev
->_xmit_lock
);
1305 #define HARD_TX_LOCK(dev, cpu) { \
1306 if ((dev->features & NETIF_F_LLTX) == 0) { \
1307 __netif_tx_lock(dev, cpu); \
1311 #define HARD_TX_UNLOCK(dev) { \
1312 if ((dev->features & NETIF_F_LLTX) == 0) { \
1313 netif_tx_unlock(dev); \
1317 static inline void netif_tx_disable(struct net_device
*dev
)
1319 netif_tx_lock_bh(dev
);
1320 netif_stop_queue(dev
);
1321 netif_tx_unlock_bh(dev
);
1324 /* These functions live elsewhere (drivers/net/net_init.c, but related) */
1326 extern void ether_setup(struct net_device
*dev
);
1328 /* Support for loadable net-drivers */
1329 extern struct net_device
*alloc_netdev_mq(int sizeof_priv
, const char *name
,
1330 void (*setup
)(struct net_device
*),
1331 unsigned int queue_count
);
1332 #define alloc_netdev(sizeof_priv, name, setup) \
1333 alloc_netdev_mq(sizeof_priv, name, setup, 1)
1334 extern int register_netdev(struct net_device
*dev
);
1335 extern void unregister_netdev(struct net_device
*dev
);
1336 /* Functions used for secondary unicast and multicast support */
1337 extern void dev_set_rx_mode(struct net_device
*dev
);
1338 extern void __dev_set_rx_mode(struct net_device
*dev
);
1339 extern int dev_unicast_delete(struct net_device
*dev
, void *addr
, int alen
);
1340 extern int dev_unicast_add(struct net_device
*dev
, void *addr
, int alen
);
1341 extern int dev_mc_delete(struct net_device
*dev
, void *addr
, int alen
, int all
);
1342 extern int dev_mc_add(struct net_device
*dev
, void *addr
, int alen
, int newonly
);
1343 extern int dev_mc_sync(struct net_device
*to
, struct net_device
*from
);
1344 extern void dev_mc_unsync(struct net_device
*to
, struct net_device
*from
);
1345 extern int __dev_addr_delete(struct dev_addr_list
**list
, int *count
, void *addr
, int alen
, int all
);
1346 extern int __dev_addr_add(struct dev_addr_list
**list
, int *count
, void *addr
, int alen
, int newonly
);
1347 extern void dev_set_promiscuity(struct net_device
*dev
, int inc
);
1348 extern void dev_set_allmulti(struct net_device
*dev
, int inc
);
1349 extern void netdev_state_change(struct net_device
*dev
);
1350 extern void netdev_features_change(struct net_device
*dev
);
1351 /* Load a device via the kmod */
1352 extern void dev_load(struct net
*net
, const char *name
);
1353 extern void dev_mcast_init(void);
1354 extern int netdev_max_backlog
;
1355 extern int weight_p
;
1356 extern int netdev_set_master(struct net_device
*dev
, struct net_device
*master
);
1357 extern int skb_checksum_help(struct sk_buff
*skb
);
1358 extern struct sk_buff
*skb_gso_segment(struct sk_buff
*skb
, int features
);
1360 extern void netdev_rx_csum_fault(struct net_device
*dev
);
1362 static inline void netdev_rx_csum_fault(struct net_device
*dev
)
1366 /* rx skb timestamps */
1367 extern void net_enable_timestamp(void);
1368 extern void net_disable_timestamp(void);
1370 #ifdef CONFIG_PROC_FS
1371 extern void *dev_seq_start(struct seq_file
*seq
, loff_t
*pos
);
1372 extern void *dev_seq_next(struct seq_file
*seq
, void *v
, loff_t
*pos
);
1373 extern void dev_seq_stop(struct seq_file
*seq
, void *v
);
1376 extern void linkwatch_run_queue(void);
1378 extern int netdev_compute_features(unsigned long all
, unsigned long one
);
1380 static inline int net_gso_ok(int features
, int gso_type
)
1382 int feature
= gso_type
<< NETIF_F_GSO_SHIFT
;
1383 return (features
& feature
) == feature
;
1386 static inline int skb_gso_ok(struct sk_buff
*skb
, int features
)
1388 return net_gso_ok(features
, skb_shinfo(skb
)->gso_type
);
1391 static inline int netif_needs_gso(struct net_device
*dev
, struct sk_buff
*skb
)
1393 return skb_is_gso(skb
) &&
1394 (!skb_gso_ok(skb
, dev
->features
) ||
1395 unlikely(skb
->ip_summed
!= CHECKSUM_PARTIAL
));
1398 /* On bonding slaves other than the currently active slave, suppress
1399 * duplicates except for 802.3ad ETH_P_SLOW, alb non-mcast/bcast, and
1400 * ARP on active-backup slaves with arp_validate enabled.
1402 static inline int skb_bond_should_drop(struct sk_buff
*skb
)
1404 struct net_device
*dev
= skb
->dev
;
1405 struct net_device
*master
= dev
->master
;
1408 (dev
->priv_flags
& IFF_SLAVE_INACTIVE
)) {
1409 if ((dev
->priv_flags
& IFF_SLAVE_NEEDARP
) &&
1410 skb
->protocol
== __constant_htons(ETH_P_ARP
))
1413 if (master
->priv_flags
& IFF_MASTER_ALB
) {
1414 if (skb
->pkt_type
!= PACKET_BROADCAST
&&
1415 skb
->pkt_type
!= PACKET_MULTICAST
)
1418 if (master
->priv_flags
& IFF_MASTER_8023AD
&&
1419 skb
->protocol
== __constant_htons(ETH_P_SLOW
))
1427 #endif /* __KERNEL__ */
1429 #endif /* _LINUX_DEV_H */