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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> | |
9618e2ff | 5 | #include <linux/u64_stats_sync.h> |
1da177e4 | 6 | |
22d1ba74 PM |
7 | |
8 | /** | |
9 | * struct vlan_priority_tci_mapping - vlan egress priority mappings | |
10 | * @priority: skb priority | |
11 | * @vlan_qos: vlan priority: (skb->priority << 13) & 0xE000 | |
12 | * @next: pointer to next struct | |
13 | */ | |
14 | struct vlan_priority_tci_mapping { | |
15 | u32 priority; | |
9bb8582e | 16 | u16 vlan_qos; |
22d1ba74 PM |
17 | struct vlan_priority_tci_mapping *next; |
18 | }; | |
19 | ||
9793241f ED |
20 | |
21 | /** | |
22 | * struct vlan_rx_stats - VLAN percpu rx stats | |
23 | * @rx_packets: number of received packets | |
24 | * @rx_bytes: number of received bytes | |
9618e2ff ED |
25 | * @rx_multicast: number of received multicast packets |
26 | * @syncp: synchronization point for 64bit counters | |
9793241f ED |
27 | * @rx_errors: number of errors |
28 | */ | |
29 | struct vlan_rx_stats { | |
9618e2ff ED |
30 | u64 rx_packets; |
31 | u64 rx_bytes; | |
32 | u64 rx_multicast; | |
33 | struct u64_stats_sync syncp; | |
34 | unsigned long rx_errors; | |
9793241f ED |
35 | }; |
36 | ||
22d1ba74 PM |
37 | /** |
38 | * struct vlan_dev_info - VLAN private device data | |
39 | * @nr_ingress_mappings: number of ingress priority mappings | |
40 | * @ingress_priority_map: ingress priority mappings | |
41 | * @nr_egress_mappings: number of egress priority mappings | |
42 | * @egress_priority_map: hash of egress priority mappings | |
43 | * @vlan_id: VLAN identifier | |
44 | * @flags: device flags | |
45 | * @real_dev: underlying netdevice | |
46 | * @real_dev_addr: address of underlying netdevice | |
47 | * @dent: proc dir entry | |
48 | * @cnt_inc_headroom_on_tx: statistic - number of skb expansions on TX | |
49 | * @cnt_encap_on_xmit: statistic - number of skb encapsulations on TX | |
9793241f | 50 | * @vlan_rx_stats: ptr to percpu rx stats |
22d1ba74 PM |
51 | */ |
52 | struct vlan_dev_info { | |
53 | unsigned int nr_ingress_mappings; | |
54 | u32 ingress_priority_map[8]; | |
55 | unsigned int nr_egress_mappings; | |
56 | struct vlan_priority_tci_mapping *egress_priority_map[16]; | |
57 | ||
9bb8582e PM |
58 | u16 vlan_id; |
59 | u16 flags; | |
22d1ba74 PM |
60 | |
61 | struct net_device *real_dev; | |
62 | unsigned char real_dev_addr[ETH_ALEN]; | |
63 | ||
64 | struct proc_dir_entry *dent; | |
65 | unsigned long cnt_inc_headroom_on_tx; | |
66 | unsigned long cnt_encap_on_xmit; | |
7d720c3e | 67 | struct vlan_rx_stats __percpu *vlan_rx_stats; |
22d1ba74 PM |
68 | }; |
69 | ||
70 | static inline struct vlan_dev_info *vlan_dev_info(const struct net_device *dev) | |
71 | { | |
72 | return netdev_priv(dev); | |
73 | } | |
74 | ||
1da177e4 LT |
75 | #define VLAN_GRP_HASH_SHIFT 5 |
76 | #define VLAN_GRP_HASH_SIZE (1 << VLAN_GRP_HASH_SHIFT) | |
77 | #define VLAN_GRP_HASH_MASK (VLAN_GRP_HASH_SIZE - 1) | |
78 | ||
79 | /* Find a VLAN device by the MAC address of its Ethernet device, and | |
80 | * it's VLAN ID. The default configuration is to have VLAN's scope | |
81 | * to be box-wide, so the MAC will be ignored. The mac will only be | |
82 | * looked at if we are configured to have a separate set of VLANs per | |
83 | * each MAC addressable interface. Note that this latter option does | |
84 | * NOT follow the spec for VLANs, but may be useful for doing very | |
85 | * large quantities of VLAN MUX/DEMUX onto FrameRelay or ATM PVCs. | |
86 | * | |
87 | * Must be invoked with rcu_read_lock (ie preempt disabled) | |
88 | * or with RTNL. | |
89 | */ | |
9bb8582e | 90 | struct net_device *__find_vlan_dev(struct net_device *real_dev, u16 vlan_id); |
1da177e4 LT |
91 | |
92 | /* found in vlan_dev.c */ | |
1da177e4 | 93 | int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, |
122952fc | 94 | struct packet_type *ptype, struct net_device *orig_dev); |
c17d8874 | 95 | void vlan_dev_set_ingress_priority(const struct net_device *dev, |
9bb8582e | 96 | u32 skb_prio, u16 vlan_prio); |
c17d8874 | 97 | int vlan_dev_set_egress_priority(const struct net_device *dev, |
9bb8582e | 98 | u32 skb_prio, u16 vlan_prio); |
b3ce0325 | 99 | int vlan_dev_change_flags(const struct net_device *dev, u32 flag, u32 mask); |
c17d8874 | 100 | void vlan_dev_get_realdev_name(const struct net_device *dev, char *result); |
1da177e4 | 101 | |
9bb8582e | 102 | int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id); |
07b5b17e PM |
103 | void vlan_setup(struct net_device *dev); |
104 | int register_vlan_dev(struct net_device *dev); | |
23289a37 | 105 | void unregister_vlan_dev(struct net_device *dev, struct list_head *head); |
07b5b17e | 106 | |
7750f403 | 107 | static inline u32 vlan_get_ingress_priority(struct net_device *dev, |
9bb8582e | 108 | u16 vlan_tci) |
7750f403 PM |
109 | { |
110 | struct vlan_dev_info *vip = vlan_dev_info(dev); | |
111 | ||
05423b24 | 112 | return vip->ingress_priority_map[(vlan_tci >> VLAN_PRIO_SHIFT) & 0x7]; |
7750f403 PM |
113 | } |
114 | ||
70c03b49 PM |
115 | #ifdef CONFIG_VLAN_8021Q_GVRP |
116 | extern int vlan_gvrp_request_join(const struct net_device *dev); | |
117 | extern void vlan_gvrp_request_leave(const struct net_device *dev); | |
118 | extern int vlan_gvrp_init_applicant(struct net_device *dev); | |
119 | extern void vlan_gvrp_uninit_applicant(struct net_device *dev); | |
120 | extern int vlan_gvrp_init(void); | |
121 | extern void vlan_gvrp_uninit(void); | |
122 | #else | |
123 | static inline int vlan_gvrp_request_join(const struct net_device *dev) { return 0; } | |
124 | static inline void vlan_gvrp_request_leave(const struct net_device *dev) {} | |
125 | static inline int vlan_gvrp_init_applicant(struct net_device *dev) { return 0; } | |
126 | static inline void vlan_gvrp_uninit_applicant(struct net_device *dev) {} | |
127 | static inline int vlan_gvrp_init(void) { return 0; } | |
128 | static inline void vlan_gvrp_uninit(void) {} | |
129 | #endif | |
130 | ||
b3020061 SH |
131 | extern const char vlan_fullname[]; |
132 | extern const char vlan_version[]; | |
133 | extern int vlan_netlink_init(void); | |
134 | extern void vlan_netlink_fini(void); | |
07b5b17e PM |
135 | |
136 | extern struct rtnl_link_ops vlan_link_ops; | |
137 | ||
802fb176 PE |
138 | static inline int is_vlan_dev(struct net_device *dev) |
139 | { | |
140 | return dev->priv_flags & IFF_802_1Q_VLAN; | |
141 | } | |
142 | ||
d9ed0f0e PE |
143 | extern int vlan_net_id; |
144 | ||
a59a8c1c PE |
145 | struct proc_dir_entry; |
146 | ||
d9ed0f0e | 147 | struct vlan_net { |
a59a8c1c PE |
148 | /* /proc/net/vlan */ |
149 | struct proc_dir_entry *proc_vlan_dir; | |
150 | /* /proc/net/vlan/config */ | |
151 | struct proc_dir_entry *proc_vlan_conf; | |
7a17a2f7 PE |
152 | /* Determines interface naming scheme. */ |
153 | unsigned short name_type; | |
d9ed0f0e PE |
154 | }; |
155 | ||
1da177e4 | 156 | #endif /* !(__BEN_VLAN_802_1Q_INC__) */ |