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;
31 struct slave_queue queue;
37 #if IS_ENABLED(CONFIG_NET_VRF)
38 /* called with rcu_read_lock() */
39 static inline int vrf_master_ifindex_rcu(const struct net_device *dev)
41 struct net_vrf_dev *vrf_ptr;
47 if (netif_is_vrf(dev))
48 ifindex = dev->ifindex;
50 vrf_ptr = rcu_dereference(dev->vrf_ptr);
52 ifindex = vrf_ptr->ifindex;
58 /* called with rcu_read_lock */
59 static inline int vrf_dev_table_rcu(const struct net_device *dev)
64 struct net_vrf_dev *vrf_ptr;
66 vrf_ptr = rcu_dereference(dev->vrf_ptr);
68 tb_id = vrf_ptr->tb_id;
73 static inline int vrf_dev_table(const struct net_device *dev)
78 tb_id = vrf_dev_table_rcu(dev);
84 /* called with rtnl */
85 static inline int vrf_dev_table_rtnl(const struct net_device *dev)
90 struct net_vrf_dev *vrf_ptr;
92 vrf_ptr = rtnl_dereference(dev->vrf_ptr);
94 tb_id = vrf_ptr->tb_id;
99 /* caller has already checked netif_is_vrf(dev) */
100 static inline struct rtable *vrf_dev_get_rth(const struct net_device *dev)
102 struct rtable *rth = ERR_PTR(-ENETUNREACH);
103 struct net_vrf *vrf = netdev_priv(dev);
107 atomic_inc(&rth->dst.__refcnt);
113 static inline int vrf_master_ifindex_rcu(const struct net_device *dev)
118 static inline int vrf_dev_table_rcu(const struct net_device *dev)
123 static inline int vrf_dev_table(const struct net_device *dev)
128 static inline int vrf_dev_table_rtnl(const struct net_device *dev)
133 static inline struct rtable *vrf_dev_get_rth(const struct net_device *dev)
135 return ERR_PTR(-ENETUNREACH);
139 #endif /* __LINUX_NET_VRF_H */