net/8021q/vlan.h

   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
  12                              * changing the log level at run-time..for some reason.
  13                              */
  14
  15 /*
  16
  17 These I use for memory debugging.  I feared a leak at one time, but
  18 I never found it..and the problem seems to have dissappeared.  Still,
  19 I'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! */
  27 #define VLAN_MEM_DBG(x, y, z)
  28 #define VLAN_FMEM_DBG(x, y)
  29
  30
  31 extern 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  */
  48 struct net_device *__find_vlan_dev(struct net_device* real_dev,
  49                                    unsigned short VID); /* vlan.c */
  50
  51 /* found in vlan_dev.c */
  52 int vlan_dev_rebuild_header(struct sk_buff *skb);
  53 int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
  54                   struct packet_type *ptype, struct net_device *orig_dev);
  55 int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
  56                          unsigned short type, const void *daddr,
  57                          const void *saddr, unsigned len);
  58 int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);
  59 int vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);
  60 int vlan_dev_change_mtu(struct net_device *dev, int new_mtu);
  61 int vlan_dev_open(struct net_device* dev);
  62 int vlan_dev_stop(struct net_device* dev);
  63 int vlan_dev_ioctl(struct net_device* dev, struct ifreq *ifr, int cmd);
  64 void vlan_dev_set_ingress_priority(const struct net_device *dev,
  65                                    u32 skb_prio, short vlan_prio);
  66 int vlan_dev_set_egress_priority(const struct net_device *dev,
  67                                  u32 skb_prio, short vlan_prio);
  68 int vlan_dev_set_vlan_flag(const struct net_device *dev,
  69                            u32 flag, short flag_val);
  70 void vlan_dev_get_realdev_name(const struct net_device *dev, char *result);
  71 void vlan_dev_get_vid(const struct net_device *dev, unsigned short *result);
  72 void vlan_change_rx_flags(struct net_device *dev, int change);
  73 void vlan_dev_set_multicast_list(struct net_device *vlan_dev);
  74
  75 int vlan_check_real_dev(struct net_device *real_dev, unsigned short vlan_id);
  76 void vlan_setup(struct net_device *dev);
  77 int register_vlan_dev(struct net_device *dev);
  78 int unregister_vlan_device(struct net_device *dev);
  79
  80 int vlan_netlink_init(void);
  81 void vlan_netlink_fini(void);
  82
  83 extern struct rtnl_link_ops vlan_link_ops;
  84
  85 #endif /* !(__BEN_VLAN_802_1Q_INC__) */