Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/net/8021q/vlan.h
15111 views
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


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
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);

84


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);

89


90
static inline u32 vlan_get_ingress_priority(struct net_device *dev,

91
					    u16 vlan_tci)

92
{

93
	struct vlan_dev_info *vip = vlan_dev_info(dev);

94


95
	return vip->ingress_priority_map[(vlan_tci >> VLAN_PRIO_SHIFT) & 0x7];

96
}

97


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

113


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);

118


119
extern struct rtnl_link_ops vlan_link_ops;

120


121
extern int vlan_net_id;

122


123
struct proc_dir_entry;

124


125
struct vlan_net {

126
	/* /proc/net/vlan */

127
	struct proc_dir_entry *proc_vlan_dir;

128
	/* /proc/net/vlan/config */

129
	struct proc_dir_entry *proc_vlan_conf;

130
	/* Determines interface naming scheme. */

131
	unsigned short name_type;

132
};

133


134
#endif /* !(__BEN_VLAN_802_1Q_INC__) */

135


136