]>
git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - include/net/vrf.h
2 * include/net/net_vrf.h - adds vrf dev structure definitions
3 * Copyright (c) 2015 Cumulus Networks
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
11 #ifndef __LINUX_NET_VRF_H
12 #define __LINUX_NET_VRF_H
16 int ifindex
; /* ifindex of master dev */
17 u32 tb_id
; /* table id for VRF */
21 struct list_head list
;
22 struct net_device
*dev
;
26 struct list_head all_slaves
;
30 struct slave_queue queue
;
36 #if IS_ENABLED(CONFIG_NET_VRF)
37 /* called with rcu_read_lock() */
38 static inline int vrf_master_ifindex_rcu(const struct net_device
*dev
)
40 struct net_vrf_dev
*vrf_ptr
;
46 if (netif_is_vrf(dev
)) {
47 ifindex
= dev
->ifindex
;
49 vrf_ptr
= rcu_dereference(dev
->vrf_ptr
);
51 ifindex
= vrf_ptr
->ifindex
;
57 static inline int vrf_master_ifindex(const struct net_device
*dev
)
62 ifindex
= vrf_master_ifindex_rcu(dev
);
68 /* called with rcu_read_lock */
69 static inline u32
vrf_dev_table_rcu(const struct net_device
*dev
)
74 struct net_vrf_dev
*vrf_ptr
;
76 vrf_ptr
= rcu_dereference(dev
->vrf_ptr
);
78 tb_id
= vrf_ptr
->tb_id
;
83 static inline u32
vrf_dev_table(const struct net_device
*dev
)
88 tb_id
= vrf_dev_table_rcu(dev
);
94 static inline u32
vrf_dev_table_ifindex(struct net
*net
, int ifindex
)
96 struct net_device
*dev
;
104 dev
= dev_get_by_index_rcu(net
, ifindex
);
106 tb_id
= vrf_dev_table_rcu(dev
);
113 /* called with rtnl */
114 static inline u32
vrf_dev_table_rtnl(const struct net_device
*dev
)
119 struct net_vrf_dev
*vrf_ptr
;
121 vrf_ptr
= rtnl_dereference(dev
->vrf_ptr
);
123 tb_id
= vrf_ptr
->tb_id
;
128 /* caller has already checked netif_is_vrf(dev) */
129 static inline struct rtable
*vrf_dev_get_rth(const struct net_device
*dev
)
131 struct rtable
*rth
= ERR_PTR(-ENETUNREACH
);
132 struct net_vrf
*vrf
= netdev_priv(dev
);
136 atomic_inc(&rth
->dst
.__refcnt
);
142 static inline int vrf_master_ifindex_rcu(const struct net_device
*dev
)
147 static inline int vrf_master_ifindex(const struct net_device
*dev
)
152 static inline u32
vrf_dev_table_rcu(const struct net_device
*dev
)
157 static inline u32
vrf_dev_table(const struct net_device
*dev
)
162 static inline u32
vrf_dev_table_ifindex(struct net
*net
, int ifindex
)
167 static inline u32
vrf_dev_table_rtnl(const struct net_device
*dev
)
172 static inline struct rtable
*vrf_dev_get_rth(const struct net_device
*dev
)
174 return ERR_PTR(-ENETUNREACH
);
178 #endif /* __LINUX_NET_VRF_H */