1 #ifndef __BEN_VLAN_802_1Q_INC__
2 #define __BEN_VLAN_802_1Q_INC__
4 #include <linux/if_vlan.h>
8 * struct vlan_priority_tci_mapping - vlan egress priority mappings
9 * @priority: skb priority
10 * @vlan_qos: vlan priority: (skb->priority << 13) & 0xE000
11 * @next: pointer to next struct
13 struct vlan_priority_tci_mapping
{
16 struct vlan_priority_tci_mapping
*next
;
20 * struct vlan_dev_info - VLAN private device data
21 * @nr_ingress_mappings: number of ingress priority mappings
22 * @ingress_priority_map: ingress priority mappings
23 * @nr_egress_mappings: number of egress priority mappings
24 * @egress_priority_map: hash of egress priority mappings
25 * @vlan_id: VLAN identifier
26 * @flags: device flags
27 * @real_dev: underlying netdevice
28 * @real_dev_addr: address of underlying netdevice
29 * @dent: proc dir entry
30 * @cnt_inc_headroom_on_tx: statistic - number of skb expansions on TX
31 * @cnt_encap_on_xmit: statistic - number of skb encapsulations on TX
33 struct vlan_dev_info
{
34 unsigned int nr_ingress_mappings
;
35 u32 ingress_priority_map
[8];
36 unsigned int nr_egress_mappings
;
37 struct vlan_priority_tci_mapping
*egress_priority_map
[16];
42 struct net_device
*real_dev
;
43 unsigned char real_dev_addr
[ETH_ALEN
];
45 struct proc_dir_entry
*dent
;
46 unsigned long cnt_inc_headroom_on_tx
;
47 unsigned long cnt_encap_on_xmit
;
50 static inline struct vlan_dev_info
*vlan_dev_info(const struct net_device
*dev
)
52 return netdev_priv(dev
);
55 #define VLAN_GRP_HASH_SHIFT 5
56 #define VLAN_GRP_HASH_SIZE (1 << VLAN_GRP_HASH_SHIFT)
57 #define VLAN_GRP_HASH_MASK (VLAN_GRP_HASH_SIZE - 1)
59 /* Find a VLAN device by the MAC address of its Ethernet device, and
60 * it's VLAN ID. The default configuration is to have VLAN's scope
61 * to be box-wide, so the MAC will be ignored. The mac will only be
62 * looked at if we are configured to have a separate set of VLANs per
63 * each MAC addressable interface. Note that this latter option does
64 * NOT follow the spec for VLANs, but may be useful for doing very
65 * large quantities of VLAN MUX/DEMUX onto FrameRelay or ATM PVCs.
67 * Must be invoked with rcu_read_lock (ie preempt disabled)
70 struct net_device
*__find_vlan_dev(struct net_device
*real_dev
, u16 vlan_id
);
72 /* found in vlan_dev.c */
73 int vlan_skb_recv(struct sk_buff
*skb
, struct net_device
*dev
,
74 struct packet_type
*ptype
, struct net_device
*orig_dev
);
75 void vlan_dev_set_ingress_priority(const struct net_device
*dev
,
76 u32 skb_prio
, u16 vlan_prio
);
77 int vlan_dev_set_egress_priority(const struct net_device
*dev
,
78 u32 skb_prio
, u16 vlan_prio
);
79 int vlan_dev_change_flags(const struct net_device
*dev
, u32 flag
, u32 mask
);
80 void vlan_dev_get_realdev_name(const struct net_device
*dev
, char *result
);
82 int vlan_check_real_dev(struct net_device
*real_dev
, u16 vlan_id
);
83 void vlan_setup(struct net_device
*dev
);
84 int register_vlan_dev(struct net_device
*dev
);
85 void unregister_vlan_dev(struct net_device
*dev
);
87 static inline u32
vlan_get_ingress_priority(struct net_device
*dev
,
90 struct vlan_dev_info
*vip
= vlan_dev_info(dev
);
92 return vip
->ingress_priority_map
[(vlan_tci
>> 13) & 0x7];
95 #ifdef CONFIG_VLAN_8021Q_GVRP
96 extern int vlan_gvrp_request_join(const struct net_device
*dev
);
97 extern void vlan_gvrp_request_leave(const struct net_device
*dev
);
98 extern int vlan_gvrp_init_applicant(struct net_device
*dev
);
99 extern void vlan_gvrp_uninit_applicant(struct net_device
*dev
);
100 extern int vlan_gvrp_init(void);
101 extern void vlan_gvrp_uninit(void);
103 static inline int vlan_gvrp_request_join(const struct net_device
*dev
) { return 0; }
104 static inline void vlan_gvrp_request_leave(const struct net_device
*dev
) {}
105 static inline int vlan_gvrp_init_applicant(struct net_device
*dev
) { return 0; }
106 static inline void vlan_gvrp_uninit_applicant(struct net_device
*dev
) {}
107 static inline int vlan_gvrp_init(void) { return 0; }
108 static inline void vlan_gvrp_uninit(void) {}
111 extern const char vlan_fullname
[];
112 extern const char vlan_version
[];
113 extern int vlan_netlink_init(void);
114 extern void vlan_netlink_fini(void);
116 extern struct rtnl_link_ops vlan_link_ops
;
118 static inline int is_vlan_dev(struct net_device
*dev
)
120 return dev
->priv_flags
& IFF_802_1Q_VLAN
;
123 extern int vlan_net_id
;
125 struct proc_dir_entry
;
129 struct proc_dir_entry
*proc_vlan_dir
;
130 /* /proc/net/vlan/config */
131 struct proc_dir_entry
*proc_vlan_conf
;
132 /* Determines interface naming scheme. */
133 unsigned short name_type
;
136 #endif /* !(__BEN_VLAN_802_1Q_INC__) */