drm/i915: range-restricted eviction support
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / net / 8021q / vlan.h
blobdb01b3181fdc4a9cd950dfaf60df1abecdec294f
1 #ifndef __BEN_VLAN_802_1Q_INC__
2 #define __BEN_VLAN_802_1Q_INC__
4 #include <linux/if_vlan.h>
5 #include <linux/u64_stats_sync.h>
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
14 struct vlan_priority_tci_mapping {
15 u32 priority;
16 u16 vlan_qos;
17 struct vlan_priority_tci_mapping *next;
21 /**
22 * struct vlan_rx_stats - VLAN percpu rx stats
23 * @rx_packets: number of received packets
24 * @rx_bytes: number of received bytes
25 * @rx_multicast: number of received multicast packets
26 * @syncp: synchronization point for 64bit counters
27 * @rx_errors: number of errors
29 struct vlan_rx_stats {
30 u64 rx_packets;
31 u64 rx_bytes;
32 u64 rx_multicast;
33 struct u64_stats_sync syncp;
34 unsigned long rx_errors;
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
50 * @vlan_rx_stats: ptr to percpu rx stats
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];
58 u16 vlan_id;
59 u16 flags;
61 struct net_device *real_dev;
62 unsigned char real_dev_addr[ETH_ALEN];
64 struct proc_dir_entry *dent;
65 unsigned long cnt_inc_headroom_on_tx;
66 unsigned long cnt_encap_on_xmit;
67 struct vlan_rx_stats __percpu *vlan_rx_stats;
70 static inline struct vlan_dev_info *vlan_dev_info(const struct net_device *dev)
72 return netdev_priv(dev);
75 /* found in vlan_dev.c */
76 int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
77 struct packet_type *ptype, struct net_device *orig_dev);
78 void vlan_dev_set_ingress_priority(const struct net_device *dev,
79 u32 skb_prio, u16 vlan_prio);
80 int vlan_dev_set_egress_priority(const struct net_device *dev,
81 u32 skb_prio, u16 vlan_prio);
82 int vlan_dev_change_flags(const struct net_device *dev, u32 flag, u32 mask);
83 void vlan_dev_get_realdev_name(const struct net_device *dev, char *result);
85 int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id);
86 void vlan_setup(struct net_device *dev);
87 int register_vlan_dev(struct net_device *dev);
88 void unregister_vlan_dev(struct net_device *dev, struct list_head *head);
90 static inline u32 vlan_get_ingress_priority(struct net_device *dev,
91 u16 vlan_tci)
93 struct vlan_dev_info *vip = vlan_dev_info(dev);
95 return vip->ingress_priority_map[(vlan_tci >> VLAN_PRIO_SHIFT) & 0x7];
98 #ifdef CONFIG_VLAN_8021Q_GVRP
99 extern int vlan_gvrp_request_join(const struct net_device *dev);
100 extern void vlan_gvrp_request_leave(const struct net_device *dev);
101 extern int vlan_gvrp_init_applicant(struct net_device *dev);
102 extern void vlan_gvrp_uninit_applicant(struct net_device *dev);
103 extern int vlan_gvrp_init(void);
104 extern void vlan_gvrp_uninit(void);
105 #else
106 static inline int vlan_gvrp_request_join(const struct net_device *dev) { return 0; }
107 static inline void vlan_gvrp_request_leave(const struct net_device *dev) {}
108 static inline int vlan_gvrp_init_applicant(struct net_device *dev) { return 0; }
109 static inline void vlan_gvrp_uninit_applicant(struct net_device *dev) {}
110 static inline int vlan_gvrp_init(void) { return 0; }
111 static inline void vlan_gvrp_uninit(void) {}
112 #endif
114 extern const char vlan_fullname[];
115 extern const char vlan_version[];
116 extern int vlan_netlink_init(void);
117 extern void vlan_netlink_fini(void);
119 extern struct rtnl_link_ops vlan_link_ops;
121 static inline int is_vlan_dev(struct net_device *dev)
123 return dev->priv_flags & IFF_802_1Q_VLAN;
126 extern int vlan_net_id;
128 struct proc_dir_entry;
130 struct vlan_net {
131 /* /proc/net/vlan */
132 struct proc_dir_entry *proc_vlan_dir;
133 /* /proc/net/vlan/config */
134 struct proc_dir_entry *proc_vlan_conf;
135 /* Determines interface naming scheme. */
136 unsigned short name_type;
139 #endif /* !(__BEN_VLAN_802_1Q_INC__) */