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1da177e4 LT |
1 | #ifndef __BEN_VLAN_802_1Q_INC__ |
2 | #define __BEN_VLAN_802_1Q_INC__ | |
3 | ||
4 | #include <linux/if_vlan.h> | |
5 | ||
22d1ba74 PM |
6 | |
7 | /** | |
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 | |
12 | */ | |
13 | struct vlan_priority_tci_mapping { | |
14 | u32 priority; | |
15 | unsigned short vlan_qos; | |
16 | struct vlan_priority_tci_mapping *next; | |
17 | }; | |
18 | ||
19 | /** | |
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 | |
32 | */ | |
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]; | |
38 | ||
39 | unsigned short vlan_id; | |
40 | unsigned short flags; | |
41 | ||
42 | struct net_device *real_dev; | |
43 | unsigned char real_dev_addr[ETH_ALEN]; | |
44 | ||
45 | struct proc_dir_entry *dent; | |
46 | unsigned long cnt_inc_headroom_on_tx; | |
47 | unsigned long cnt_encap_on_xmit; | |
48 | }; | |
49 | ||
50 | static inline struct vlan_dev_info *vlan_dev_info(const struct net_device *dev) | |
51 | { | |
52 | return netdev_priv(dev); | |
53 | } | |
54 | ||
1da177e4 LT |
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) | |
58 | ||
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. | |
66 | * | |
67 | * Must be invoked with rcu_read_lock (ie preempt disabled) | |
68 | * or with RTNL. | |
69 | */ | |
2029cc2c | 70 | struct net_device *__find_vlan_dev(struct net_device *real_dev, |
1da177e4 LT |
71 | unsigned short VID); /* vlan.c */ |
72 | ||
73 | /* found in vlan_dev.c */ | |
1da177e4 | 74 | int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, |
122952fc | 75 | struct packet_type *ptype, struct net_device *orig_dev); |
c17d8874 PM |
76 | void vlan_dev_set_ingress_priority(const struct net_device *dev, |
77 | u32 skb_prio, short vlan_prio); | |
78 | int vlan_dev_set_egress_priority(const struct net_device *dev, | |
79 | u32 skb_prio, short vlan_prio); | |
b3ce0325 | 80 | int vlan_dev_change_flags(const struct net_device *dev, u32 flag, u32 mask); |
c17d8874 | 81 | void vlan_dev_get_realdev_name(const struct net_device *dev, char *result); |
1da177e4 | 82 | |
07b5b17e PM |
83 | int vlan_check_real_dev(struct net_device *real_dev, unsigned short vlan_id); |
84 | void vlan_setup(struct net_device *dev); | |
85 | int register_vlan_dev(struct net_device *dev); | |
af301517 | 86 | void unregister_vlan_dev(struct net_device *dev); |
07b5b17e | 87 | |
7750f403 PM |
88 | static inline u32 vlan_get_ingress_priority(struct net_device *dev, |
89 | unsigned short vlan_tag) | |
90 | { | |
91 | struct vlan_dev_info *vip = vlan_dev_info(dev); | |
92 | ||
93 | return vip->ingress_priority_map[(vlan_tag >> 13) & 0x7]; | |
94 | } | |
95 | ||
70c03b49 PM |
96 | #ifdef CONFIG_VLAN_8021Q_GVRP |
97 | extern int vlan_gvrp_request_join(const struct net_device *dev); | |
98 | extern void vlan_gvrp_request_leave(const struct net_device *dev); | |
99 | extern int vlan_gvrp_init_applicant(struct net_device *dev); | |
100 | extern void vlan_gvrp_uninit_applicant(struct net_device *dev); | |
101 | extern int vlan_gvrp_init(void); | |
102 | extern void vlan_gvrp_uninit(void); | |
103 | #else | |
104 | static inline int vlan_gvrp_request_join(const struct net_device *dev) { return 0; } | |
105 | static inline void vlan_gvrp_request_leave(const struct net_device *dev) {} | |
106 | static inline int vlan_gvrp_init_applicant(struct net_device *dev) { return 0; } | |
107 | static inline void vlan_gvrp_uninit_applicant(struct net_device *dev) {} | |
108 | static inline int vlan_gvrp_init(void) { return 0; } | |
109 | static inline void vlan_gvrp_uninit(void) {} | |
110 | #endif | |
111 | ||
07b5b17e PM |
112 | int vlan_netlink_init(void); |
113 | void vlan_netlink_fini(void); | |
114 | ||
115 | extern struct rtnl_link_ops vlan_link_ops; | |
116 | ||
802fb176 PE |
117 | static inline int is_vlan_dev(struct net_device *dev) |
118 | { | |
119 | return dev->priv_flags & IFF_802_1Q_VLAN; | |
120 | } | |
121 | ||
d9ed0f0e PE |
122 | extern int vlan_net_id; |
123 | ||
a59a8c1c PE |
124 | struct proc_dir_entry; |
125 | ||
d9ed0f0e | 126 | struct vlan_net { |
a59a8c1c PE |
127 | /* /proc/net/vlan */ |
128 | struct proc_dir_entry *proc_vlan_dir; | |
129 | /* /proc/net/vlan/config */ | |
130 | struct proc_dir_entry *proc_vlan_conf; | |
7a17a2f7 PE |
131 | /* Determines interface naming scheme. */ |
132 | unsigned short name_type; | |
d9ed0f0e PE |
133 | }; |
134 | ||
1da177e4 | 135 | #endif /* !(__BEN_VLAN_802_1Q_INC__) */ |