Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __BEN_VLAN_802_1Q_INC__ |
| 2 | #define __BEN_VLAN_802_1Q_INC__ |
| 3 | |
| 4 | #include <linux/if_vlan.h> |
| 5 | |
Patrick McHardy | 22d1ba7 | 2008-07-08 03:23:57 -0700 | [diff] [blame] | 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; |
Patrick McHardy | 9bb8582 | 2008-07-08 03:24:44 -0700 | [diff] [blame] | 15 | u16 vlan_qos; |
Patrick McHardy | 22d1ba7 | 2008-07-08 03:23:57 -0700 | [diff] [blame] | 16 | struct vlan_priority_tci_mapping *next; |
| 17 | }; |
| 18 | |
Eric Dumazet | 9793241 | 2009-11-17 04:53:09 +0000 | [diff] [blame^] | 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 | |
Patrick McHardy | 22d1ba7 | 2008-07-08 03:23:57 -0700 | [diff] [blame] | 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 |
Eric Dumazet | 9793241 | 2009-11-17 04:53:09 +0000 | [diff] [blame^] | 47 | * @vlan_rx_stats: ptr to percpu rx stats |
Patrick McHardy | 22d1ba7 | 2008-07-08 03:23:57 -0700 | [diff] [blame] | 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 | |
Patrick McHardy | 9bb8582 | 2008-07-08 03:24:44 -0700 | [diff] [blame] | 55 | u16 vlan_id; |
| 56 | u16 flags; |
Patrick McHardy | 22d1ba7 | 2008-07-08 03:23:57 -0700 | [diff] [blame] | 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; |
Eric Dumazet | 9793241 | 2009-11-17 04:53:09 +0000 | [diff] [blame^] | 64 | struct vlan_rx_stats *vlan_rx_stats; |
Patrick McHardy | 22d1ba7 | 2008-07-08 03:23:57 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | */ |
Patrick McHardy | 9bb8582 | 2008-07-08 03:24:44 -0700 | [diff] [blame] | 87 | struct net_device *__find_vlan_dev(struct net_device *real_dev, u16 vlan_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | |
| 89 | /* found in vlan_dev.c */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, |
YOSHIFUJI Hideaki | 122952f | 2007-02-09 23:24:25 +0900 | [diff] [blame] | 91 | struct packet_type *ptype, struct net_device *orig_dev); |
Patrick McHardy | c17d887 | 2007-06-13 12:05:22 -0700 | [diff] [blame] | 92 | void vlan_dev_set_ingress_priority(const struct net_device *dev, |
Patrick McHardy | 9bb8582 | 2008-07-08 03:24:44 -0700 | [diff] [blame] | 93 | u32 skb_prio, u16 vlan_prio); |
Patrick McHardy | c17d887 | 2007-06-13 12:05:22 -0700 | [diff] [blame] | 94 | int vlan_dev_set_egress_priority(const struct net_device *dev, |
Patrick McHardy | 9bb8582 | 2008-07-08 03:24:44 -0700 | [diff] [blame] | 95 | u32 skb_prio, u16 vlan_prio); |
Patrick McHardy | b3ce032 | 2008-07-05 21:26:27 -0700 | [diff] [blame] | 96 | int vlan_dev_change_flags(const struct net_device *dev, u32 flag, u32 mask); |
Patrick McHardy | c17d887 | 2007-06-13 12:05:22 -0700 | [diff] [blame] | 97 | void vlan_dev_get_realdev_name(const struct net_device *dev, char *result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 98 | |
Patrick McHardy | 9bb8582 | 2008-07-08 03:24:44 -0700 | [diff] [blame] | 99 | int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id); |
Patrick McHardy | 07b5b17 | 2007-06-13 12:07:54 -0700 | [diff] [blame] | 100 | void vlan_setup(struct net_device *dev); |
| 101 | int register_vlan_dev(struct net_device *dev); |
Eric Dumazet | 23289a3 | 2009-10-27 07:06:36 +0000 | [diff] [blame] | 102 | void unregister_vlan_dev(struct net_device *dev, struct list_head *head); |
Patrick McHardy | 07b5b17 | 2007-06-13 12:07:54 -0700 | [diff] [blame] | 103 | |
Patrick McHardy | 7750f40 | 2008-07-08 03:23:36 -0700 | [diff] [blame] | 104 | static inline u32 vlan_get_ingress_priority(struct net_device *dev, |
Patrick McHardy | 9bb8582 | 2008-07-08 03:24:44 -0700 | [diff] [blame] | 105 | u16 vlan_tci) |
Patrick McHardy | 7750f40 | 2008-07-08 03:23:36 -0700 | [diff] [blame] | 106 | { |
| 107 | struct vlan_dev_info *vip = vlan_dev_info(dev); |
| 108 | |
Eric Dumazet | 05423b2 | 2009-10-26 18:40:35 -0700 | [diff] [blame] | 109 | return vip->ingress_priority_map[(vlan_tci >> VLAN_PRIO_SHIFT) & 0x7]; |
Patrick McHardy | 7750f40 | 2008-07-08 03:23:36 -0700 | [diff] [blame] | 110 | } |
| 111 | |
Patrick McHardy | 70c03b4 | 2008-07-05 21:26:57 -0700 | [diff] [blame] | 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 | |
Stephen Hemminger | b3020061 | 2008-10-28 22:12:36 -0700 | [diff] [blame] | 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); |
Patrick McHardy | 07b5b17 | 2007-06-13 12:07:54 -0700 | [diff] [blame] | 132 | |
| 133 | extern struct rtnl_link_ops vlan_link_ops; |
| 134 | |
Pavel Emelyanov | 802fb17 | 2008-04-02 00:08:01 -0700 | [diff] [blame] | 135 | static inline int is_vlan_dev(struct net_device *dev) |
| 136 | { |
| 137 | return dev->priv_flags & IFF_802_1Q_VLAN; |
| 138 | } |
| 139 | |
Pavel Emelyanov | d9ed0f0 | 2008-04-16 00:49:09 -0700 | [diff] [blame] | 140 | extern int vlan_net_id; |
| 141 | |
Pavel Emelyanov | a59a8c1 | 2008-04-16 00:51:51 -0700 | [diff] [blame] | 142 | struct proc_dir_entry; |
| 143 | |
Pavel Emelyanov | d9ed0f0 | 2008-04-16 00:49:09 -0700 | [diff] [blame] | 144 | struct vlan_net { |
Pavel Emelyanov | a59a8c1 | 2008-04-16 00:51:51 -0700 | [diff] [blame] | 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; |
Pavel Emelyanov | 7a17a2f | 2008-04-16 00:54:39 -0700 | [diff] [blame] | 149 | /* Determines interface naming scheme. */ |
| 150 | unsigned short name_type; |
Pavel Emelyanov | d9ed0f0 | 2008-04-16 00:49:09 -0700 | [diff] [blame] | 151 | }; |
| 152 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | #endif /* !(__BEN_VLAN_802_1Q_INC__) */ |