linux/net/8021q/vlan.h
Stephen Hemminger 3b04ddde02 [NET]: Move hardware header operations out of netdevice.
Since hardware header operations are part of the protocol class
not the device instance, make them into a separate object and
save memory.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-10 16:52:52 -07:00

86 lines
3.3 KiB
C

#ifndef __BEN_VLAN_802_1Q_INC__
#define __BEN_VLAN_802_1Q_INC__
#include <linux/if_vlan.h>
/* Uncomment this if you want debug traces to be shown. */
/* #define VLAN_DEBUG */
#define VLAN_ERR KERN_ERR
#define VLAN_INF KERN_INFO
#define VLAN_DBG KERN_ALERT /* change these... to debug, having a hard time
* changing the log level at run-time..for some reason.
*/
/*
These I use for memory debugging. I feared a leak at one time, but
I never found it..and the problem seems to have dissappeared. Still,
I'll bet they might prove useful again... --Ben
#define VLAN_MEM_DBG(x, y, z) printk(VLAN_DBG "%s: " x, __FUNCTION__, y, z);
#define VLAN_FMEM_DBG(x, y) printk(VLAN_DBG "%s: " x, __FUNCTION__, y);
*/
/* This way they don't do anything! */
#define VLAN_MEM_DBG(x, y, z)
#define VLAN_FMEM_DBG(x, y)
extern unsigned short vlan_name_type;
#define VLAN_GRP_HASH_SHIFT 5
#define VLAN_GRP_HASH_SIZE (1 << VLAN_GRP_HASH_SHIFT)
#define VLAN_GRP_HASH_MASK (VLAN_GRP_HASH_SIZE - 1)
/* Find a VLAN device by the MAC address of its Ethernet device, and
* it's VLAN ID. The default configuration is to have VLAN's scope
* to be box-wide, so the MAC will be ignored. The mac will only be
* looked at if we are configured to have a separate set of VLANs per
* each MAC addressable interface. Note that this latter option does
* NOT follow the spec for VLANs, but may be useful for doing very
* large quantities of VLAN MUX/DEMUX onto FrameRelay or ATM PVCs.
*
* Must be invoked with rcu_read_lock (ie preempt disabled)
* or with RTNL.
*/
struct net_device *__find_vlan_dev(struct net_device* real_dev,
unsigned short VID); /* vlan.c */
/* found in vlan_dev.c */
int vlan_dev_rebuild_header(struct sk_buff *skb);
int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype, struct net_device *orig_dev);
int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type, const void *daddr,
const void *saddr, unsigned len);
int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);
int vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);
int vlan_dev_change_mtu(struct net_device *dev, int new_mtu);
int vlan_dev_open(struct net_device* dev);
int vlan_dev_stop(struct net_device* dev);
int vlan_dev_ioctl(struct net_device* dev, struct ifreq *ifr, int cmd);
void vlan_dev_set_ingress_priority(const struct net_device *dev,
u32 skb_prio, short vlan_prio);
int vlan_dev_set_egress_priority(const struct net_device *dev,
u32 skb_prio, short vlan_prio);
int vlan_dev_set_vlan_flag(const struct net_device *dev,
u32 flag, short flag_val);
void vlan_dev_get_realdev_name(const struct net_device *dev, char *result);
void vlan_dev_get_vid(const struct net_device *dev, unsigned short *result);
void vlan_change_rx_flags(struct net_device *dev, int change);
void vlan_dev_set_multicast_list(struct net_device *vlan_dev);
int vlan_check_real_dev(struct net_device *real_dev, unsigned short vlan_id);
void vlan_setup(struct net_device *dev);
int register_vlan_dev(struct net_device *dev);
int unregister_vlan_device(struct net_device *dev);
int vlan_netlink_init(void);
void vlan_netlink_fini(void);
extern struct rtnl_link_ops vlan_link_ops;
#endif /* !(__BEN_VLAN_802_1Q_INC__) */