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[NET]: Move hardware header operations out of netdevice.
[mirror_ubuntu-zesty-kernel.git] / net / 8021q / vlan.h
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1#ifndef __BEN_VLAN_802_1Q_INC__
2#define __BEN_VLAN_802_1Q_INC__
3
4#include <linux/if_vlan.h>
5
6/* Uncomment this if you want debug traces to be shown. */
7/* #define VLAN_DEBUG */
8
9#define VLAN_ERR KERN_ERR
10#define VLAN_INF KERN_INFO
11#define VLAN_DBG KERN_ALERT /* change these... to debug, having a hard time
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12 * changing the log level at run-time..for some reason.
13 */
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14
15/*
16
17These I use for memory debugging. I feared a leak at one time, but
18I never found it..and the problem seems to have dissappeared. Still,
19I'll bet they might prove useful again... --Ben
20
21
22#define VLAN_MEM_DBG(x, y, z) printk(VLAN_DBG "%s: " x, __FUNCTION__, y, z);
23#define VLAN_FMEM_DBG(x, y) printk(VLAN_DBG "%s: " x, __FUNCTION__, y);
24*/
25
26/* This way they don't do anything! */
122952fc 27#define VLAN_MEM_DBG(x, y, z)
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28#define VLAN_FMEM_DBG(x, y)
29
30
31extern unsigned short vlan_name_type;
32
33#define VLAN_GRP_HASH_SHIFT 5
34#define VLAN_GRP_HASH_SIZE (1 << VLAN_GRP_HASH_SHIFT)
35#define VLAN_GRP_HASH_MASK (VLAN_GRP_HASH_SIZE - 1)
36
37/* Find a VLAN device by the MAC address of its Ethernet device, and
38 * it's VLAN ID. The default configuration is to have VLAN's scope
39 * to be box-wide, so the MAC will be ignored. The mac will only be
40 * looked at if we are configured to have a separate set of VLANs per
41 * each MAC addressable interface. Note that this latter option does
42 * NOT follow the spec for VLANs, but may be useful for doing very
43 * large quantities of VLAN MUX/DEMUX onto FrameRelay or ATM PVCs.
44 *
45 * Must be invoked with rcu_read_lock (ie preempt disabled)
46 * or with RTNL.
47 */
48struct net_device *__find_vlan_dev(struct net_device* real_dev,
49 unsigned short VID); /* vlan.c */
50
51/* found in vlan_dev.c */
52int vlan_dev_rebuild_header(struct sk_buff *skb);
53int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
122952fc 54 struct packet_type *ptype, struct net_device *orig_dev);
1da177e4 55int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
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56 unsigned short type, const void *daddr,
57 const void *saddr, unsigned len);
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58int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);
59int vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);
60int vlan_dev_change_mtu(struct net_device *dev, int new_mtu);
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61int vlan_dev_open(struct net_device* dev);
62int vlan_dev_stop(struct net_device* dev);
63int vlan_dev_ioctl(struct net_device* dev, struct ifreq *ifr, int cmd);
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64void vlan_dev_set_ingress_priority(const struct net_device *dev,
65 u32 skb_prio, short vlan_prio);
66int vlan_dev_set_egress_priority(const struct net_device *dev,
67 u32 skb_prio, short vlan_prio);
68int vlan_dev_set_vlan_flag(const struct net_device *dev,
69 u32 flag, short flag_val);
70void vlan_dev_get_realdev_name(const struct net_device *dev, char *result);
71void vlan_dev_get_vid(const struct net_device *dev, unsigned short *result);
6c78dcbd 72void vlan_change_rx_flags(struct net_device *dev, int change);
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73void vlan_dev_set_multicast_list(struct net_device *vlan_dev);
74
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75int vlan_check_real_dev(struct net_device *real_dev, unsigned short vlan_id);
76void vlan_setup(struct net_device *dev);
77int register_vlan_dev(struct net_device *dev);
78int unregister_vlan_device(struct net_device *dev);
79
80int vlan_netlink_init(void);
81void vlan_netlink_fini(void);
82
83extern struct rtnl_link_ops vlan_link_ops;
84
1da177e4 85#endif /* !(__BEN_VLAN_802_1Q_INC__) */