1 #ifndef __BEN_VLAN_802_1Q_INC__
2 #define __BEN_VLAN_802_1Q_INC__
3
4 #include <linux/if_vlan.h>
5 #include <linux/u64_stats_sync.h>
6
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;
16 u16 vlan_qos;
17 struct vlan_priority_tci_mapping *next;
18 };
19
20
21 /**
22 * struct vlan_pcpu_stats - VLAN percpu rx/tx stats
23 * @rx_packets: number of received packets
24 * @rx_bytes: number of received bytes
25 * @rx_multicast: number of received multicast packets
26 * @tx_packets: number of transmitted packets
27 * @tx_bytes: number of transmitted bytes
28 * @syncp: synchronization point for 64bit counters
29 * @rx_errors: number of rx errors
30 * @tx_dropped: number of tx drops
31 */
32 struct vlan_pcpu_stats {
33 u64 rx_packets;
34 u64 rx_bytes;
35 u64 rx_multicast;
36 u64 tx_packets;
37 u64 tx_bytes;
38 struct u64_stats_sync syncp;
39 u32 rx_errors;
40 u32 tx_dropped;
41 };
42
43 /**
44 * struct vlan_dev_info - VLAN private device data
45 * @nr_ingress_mappings: number of ingress priority mappings
46 * @ingress_priority_map: ingress priority mappings
47 * @nr_egress_mappings: number of egress priority mappings
48 * @egress_priority_map: hash of egress priority mappings
49 * @vlan_id: VLAN identifier
50 * @flags: device flags
51 * @real_dev: underlying netdevice
52 * @real_dev_addr: address of underlying netdevice
53 * @dent: proc dir entry
54 * @vlan_pcpu_stats: ptr to percpu rx stats
55 */
56 struct vlan_dev_info {
57 unsigned int nr_ingress_mappings;
58 u32 ingress_priority_map[8];
59 unsigned int nr_egress_mappings;
60 struct vlan_priority_tci_mapping *egress_priority_map[16];
61
62 u16 vlan_id;
63 u16 flags;
64
65 struct net_device *real_dev;
66 unsigned char real_dev_addr[ETH_ALEN];
67
68 struct proc_dir_entry *dent;
69 struct vlan_pcpu_stats __percpu *vlan_pcpu_stats;
70 };
71
vlan_dev_info(const struct net_device * dev)72 static inline struct vlan_dev_info *vlan_dev_info(const struct net_device *dev)
73 {
74 return netdev_priv(dev);
75 }
76
77 /* found in vlan_dev.c */
78 int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
79 struct packet_type *ptype, struct net_device *orig_dev);
80 void vlan_dev_set_ingress_priority(const struct net_device *dev,
81 u32 skb_prio, u16 vlan_prio);
82 int vlan_dev_set_egress_priority(const struct net_device *dev,
83 u32 skb_prio, u16 vlan_prio);
84 int vlan_dev_change_flags(const struct net_device *dev, u32 flag, u32 mask);
85 void vlan_dev_get_realdev_name(const struct net_device *dev, char *result);
86
87 int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id);
88 void vlan_setup(struct net_device *dev);
89 int register_vlan_dev(struct net_device *dev);
90 void unregister_vlan_dev(struct net_device *dev, struct list_head *head);
91
vlan_get_ingress_priority(struct net_device * dev,u16 vlan_tci)92 static inline u32 vlan_get_ingress_priority(struct net_device *dev,
93 u16 vlan_tci)
94 {
95 struct vlan_dev_info *vip = vlan_dev_info(dev);
96
97 return vip->ingress_priority_map[(vlan_tci >> VLAN_PRIO_SHIFT) & 0x7];
98 }
99
100 #ifdef CONFIG_VLAN_8021Q_GVRP
101 extern int vlan_gvrp_request_join(const struct net_device *dev);
102 extern void vlan_gvrp_request_leave(const struct net_device *dev);
103 extern int vlan_gvrp_init_applicant(struct net_device *dev);
104 extern void vlan_gvrp_uninit_applicant(struct net_device *dev);
105 extern int vlan_gvrp_init(void);
106 extern void vlan_gvrp_uninit(void);
107 #else
vlan_gvrp_request_join(const struct net_device * dev)108 static inline int vlan_gvrp_request_join(const struct net_device *dev) { return 0; }
vlan_gvrp_request_leave(const struct net_device * dev)109 static inline void vlan_gvrp_request_leave(const struct net_device *dev) {}
vlan_gvrp_init_applicant(struct net_device * dev)110 static inline int vlan_gvrp_init_applicant(struct net_device *dev) { return 0; }
vlan_gvrp_uninit_applicant(struct net_device * dev)111 static inline void vlan_gvrp_uninit_applicant(struct net_device *dev) {}
vlan_gvrp_init(void)112 static inline int vlan_gvrp_init(void) { return 0; }
vlan_gvrp_uninit(void)113 static inline void vlan_gvrp_uninit(void) {}
114 #endif
115
116 extern const char vlan_fullname[];
117 extern const char vlan_version[];
118 extern int vlan_netlink_init(void);
119 extern void vlan_netlink_fini(void);
120
121 extern struct rtnl_link_ops vlan_link_ops;
122
is_vlan_dev(struct net_device * dev)123 static inline int is_vlan_dev(struct net_device *dev)
124 {
125 return dev->priv_flags & IFF_802_1Q_VLAN;
126 }
127
128 extern int vlan_net_id;
129
130 struct proc_dir_entry;
131
132 struct vlan_net {
133 /* /proc/net/vlan */
134 struct proc_dir_entry *proc_vlan_dir;
135 /* /proc/net/vlan/config */
136 struct proc_dir_entry *proc_vlan_conf;
137 /* Determines interface naming scheme. */
138 unsigned short name_type;
139 };
140
141 #endif /* !(__BEN_VLAN_802_1Q_INC__) */
142