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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; | |
9bb8582e | 15 | u16 vlan_qos; |
22d1ba74 PM |
16 | struct vlan_priority_tci_mapping *next; |
17 | }; | |
18 | ||
9793241f ED |
19 | |
20 | /** | |
21 | * struct vlan_rx_stats - VLAN percpu rx stats | |
22 | * @rx_packets: number of received packets | |
23 | * @rx_bytes: number of received bytes | |
24 | * @multicast: number of received multicast packets | |
25 | * @rx_errors: number of errors | |
26 | */ | |
27 | struct vlan_rx_stats { | |
28 | unsigned long rx_packets; | |
29 | unsigned long rx_bytes; | |
30 | unsigned long multicast; | |
31 | unsigned long rx_errors; | |
32 | }; | |
33 | ||
22d1ba74 PM |
34 | /** |
35 | * struct vlan_dev_info - VLAN private device data | |
36 | * @nr_ingress_mappings: number of ingress priority mappings | |
37 | * @ingress_priority_map: ingress priority mappings | |
38 | * @nr_egress_mappings: number of egress priority mappings | |
39 | * @egress_priority_map: hash of egress priority mappings | |
40 | * @vlan_id: VLAN identifier | |
41 | * @flags: device flags | |
42 | * @real_dev: underlying netdevice | |
43 | * @real_dev_addr: address of underlying netdevice | |
44 | * @dent: proc dir entry | |
45 | * @cnt_inc_headroom_on_tx: statistic - number of skb expansions on TX | |
46 | * @cnt_encap_on_xmit: statistic - number of skb encapsulations on TX | |
9793241f | 47 | * @vlan_rx_stats: ptr to percpu rx stats |
22d1ba74 PM |
48 | */ |
49 | struct vlan_dev_info { | |
50 | unsigned int nr_ingress_mappings; | |
51 | u32 ingress_priority_map[8]; | |
52 | unsigned int nr_egress_mappings; | |
53 | struct vlan_priority_tci_mapping *egress_priority_map[16]; | |
54 | ||
9bb8582e PM |
55 | u16 vlan_id; |
56 | u16 flags; | |
22d1ba74 PM |
57 | |
58 | struct net_device *real_dev; | |
59 | unsigned char real_dev_addr[ETH_ALEN]; | |
60 | ||
61 | struct proc_dir_entry *dent; | |
62 | unsigned long cnt_inc_headroom_on_tx; | |
63 | unsigned long cnt_encap_on_xmit; | |
9793241f | 64 | struct vlan_rx_stats *vlan_rx_stats; |
22d1ba74 PM |
65 | }; |
66 | ||
67 | static inline struct vlan_dev_info *vlan_dev_info(const struct net_device *dev) | |
68 | { | |
69 | return netdev_priv(dev); | |
70 | } | |
71 | ||
1da177e4 LT |
72 | #define VLAN_GRP_HASH_SHIFT 5 |
73 | #define VLAN_GRP_HASH_SIZE (1 << VLAN_GRP_HASH_SHIFT) | |
74 | #define VLAN_GRP_HASH_MASK (VLAN_GRP_HASH_SIZE - 1) | |
75 | ||
76 | /* Find a VLAN device by the MAC address of its Ethernet device, and | |
77 | * it's VLAN ID. The default configuration is to have VLAN's scope | |
78 | * to be box-wide, so the MAC will be ignored. The mac will only be | |
79 | * looked at if we are configured to have a separate set of VLANs per | |
80 | * each MAC addressable interface. Note that this latter option does | |
81 | * NOT follow the spec for VLANs, but may be useful for doing very | |
82 | * large quantities of VLAN MUX/DEMUX onto FrameRelay or ATM PVCs. | |
83 | * | |
84 | * Must be invoked with rcu_read_lock (ie preempt disabled) | |
85 | * or with RTNL. | |
86 | */ | |
9bb8582e | 87 | struct net_device *__find_vlan_dev(struct net_device *real_dev, u16 vlan_id); |
1da177e4 LT |
88 | |
89 | /* found in vlan_dev.c */ | |
1da177e4 | 90 | int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, |
122952fc | 91 | struct packet_type *ptype, struct net_device *orig_dev); |
c17d8874 | 92 | void vlan_dev_set_ingress_priority(const struct net_device *dev, |
9bb8582e | 93 | u32 skb_prio, u16 vlan_prio); |
c17d8874 | 94 | int vlan_dev_set_egress_priority(const struct net_device *dev, |
9bb8582e | 95 | u32 skb_prio, u16 vlan_prio); |
b3ce0325 | 96 | int vlan_dev_change_flags(const struct net_device *dev, u32 flag, u32 mask); |
c17d8874 | 97 | void vlan_dev_get_realdev_name(const struct net_device *dev, char *result); |
1da177e4 | 98 | |
9bb8582e | 99 | int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id); |
07b5b17e PM |
100 | void vlan_setup(struct net_device *dev); |
101 | int register_vlan_dev(struct net_device *dev); | |
23289a37 | 102 | void unregister_vlan_dev(struct net_device *dev, struct list_head *head); |
07b5b17e | 103 | |
7750f403 | 104 | static inline u32 vlan_get_ingress_priority(struct net_device *dev, |
9bb8582e | 105 | u16 vlan_tci) |
7750f403 PM |
106 | { |
107 | struct vlan_dev_info *vip = vlan_dev_info(dev); | |
108 | ||
05423b24 | 109 | return vip->ingress_priority_map[(vlan_tci >> VLAN_PRIO_SHIFT) & 0x7]; |
7750f403 PM |
110 | } |
111 | ||
70c03b49 PM |
112 | #ifdef CONFIG_VLAN_8021Q_GVRP |
113 | extern int vlan_gvrp_request_join(const struct net_device *dev); | |
114 | extern void vlan_gvrp_request_leave(const struct net_device *dev); | |
115 | extern int vlan_gvrp_init_applicant(struct net_device *dev); | |
116 | extern void vlan_gvrp_uninit_applicant(struct net_device *dev); | |
117 | extern int vlan_gvrp_init(void); | |
118 | extern void vlan_gvrp_uninit(void); | |
119 | #else | |
120 | static inline int vlan_gvrp_request_join(const struct net_device *dev) { return 0; } | |
121 | static inline void vlan_gvrp_request_leave(const struct net_device *dev) {} | |
122 | static inline int vlan_gvrp_init_applicant(struct net_device *dev) { return 0; } | |
123 | static inline void vlan_gvrp_uninit_applicant(struct net_device *dev) {} | |
124 | static inline int vlan_gvrp_init(void) { return 0; } | |
125 | static inline void vlan_gvrp_uninit(void) {} | |
126 | #endif | |
127 | ||
b3020061 SH |
128 | extern const char vlan_fullname[]; |
129 | extern const char vlan_version[]; | |
130 | extern int vlan_netlink_init(void); | |
131 | extern void vlan_netlink_fini(void); | |
07b5b17e PM |
132 | |
133 | extern struct rtnl_link_ops vlan_link_ops; | |
134 | ||
802fb176 PE |
135 | static inline int is_vlan_dev(struct net_device *dev) |
136 | { | |
137 | return dev->priv_flags & IFF_802_1Q_VLAN; | |
138 | } | |
139 | ||
d9ed0f0e PE |
140 | extern int vlan_net_id; |
141 | ||
a59a8c1c PE |
142 | struct proc_dir_entry; |
143 | ||
d9ed0f0e | 144 | struct vlan_net { |
a59a8c1c PE |
145 | /* /proc/net/vlan */ |
146 | struct proc_dir_entry *proc_vlan_dir; | |
147 | /* /proc/net/vlan/config */ | |
148 | struct proc_dir_entry *proc_vlan_conf; | |
7a17a2f7 PE |
149 | /* Determines interface naming scheme. */ |
150 | unsigned short name_type; | |
d9ed0f0e PE |
151 | }; |
152 | ||
1da177e4 | 153 | #endif /* !(__BEN_VLAN_802_1Q_INC__) */ |