diff options
Diffstat (limited to 'include/net/vrf.h')
| -rw-r--r-- | include/net/vrf.h | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/include/net/vrf.h b/include/net/vrf.h deleted file mode 100644 index 593e6094ddd4..000000000000 --- a/include/net/vrf.h +++ /dev/null @@ -1,178 +0,0 @@ -/* - * include/net/net_vrf.h - adds vrf dev structure definitions - * Copyright (c) 2015 Cumulus Networks - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef __LINUX_NET_VRF_H -#define __LINUX_NET_VRF_H - -struct net_vrf_dev { - struct rcu_head rcu; - int ifindex; /* ifindex of master dev */ - u32 tb_id; /* table id for VRF */ -}; - -struct slave { - struct list_head list; - struct net_device *dev; -}; - -struct slave_queue { - struct list_head all_slaves; -}; - -struct net_vrf { - struct slave_queue queue; - struct rtable *rth; - u32 tb_id; -}; - - -#if IS_ENABLED(CONFIG_NET_VRF) -/* called with rcu_read_lock() */ -static inline int vrf_master_ifindex_rcu(const struct net_device *dev) -{ - struct net_vrf_dev *vrf_ptr; - int ifindex = 0; - - if (!dev) - return 0; - - if (netif_is_vrf(dev)) { - ifindex = dev->ifindex; - } else { - vrf_ptr = rcu_dereference(dev->vrf_ptr); - if (vrf_ptr) - ifindex = vrf_ptr->ifindex; - } - - return ifindex; -} - -static inline int vrf_master_ifindex(const struct net_device *dev) -{ - int ifindex; - - rcu_read_lock(); - ifindex = vrf_master_ifindex_rcu(dev); - rcu_read_unlock(); - - return ifindex; -} - -/* called with rcu_read_lock */ -static inline u32 vrf_dev_table_rcu(const struct net_device *dev) -{ - u32 tb_id = 0; - - if (dev) { - struct net_vrf_dev *vrf_ptr; - - vrf_ptr = rcu_dereference(dev->vrf_ptr); - if (vrf_ptr) - tb_id = vrf_ptr->tb_id; - } - return tb_id; -} - -static inline u32 vrf_dev_table(const struct net_device *dev) -{ - u32 tb_id; - - rcu_read_lock(); - tb_id = vrf_dev_table_rcu(dev); - rcu_read_unlock(); - - return tb_id; -} - -static inline u32 vrf_dev_table_ifindex(struct net *net, int ifindex) -{ - struct net_device *dev; - u32 tb_id = 0; - - if (!ifindex) - return 0; - - rcu_read_lock(); - - dev = dev_get_by_index_rcu(net, ifindex); - if (dev) - tb_id = vrf_dev_table_rcu(dev); - - rcu_read_unlock(); - - return tb_id; -} - -/* called with rtnl */ -static inline u32 vrf_dev_table_rtnl(const struct net_device *dev) -{ - u32 tb_id = 0; - - if (dev) { - struct net_vrf_dev *vrf_ptr; - - vrf_ptr = rtnl_dereference(dev->vrf_ptr); - if (vrf_ptr) - tb_id = vrf_ptr->tb_id; - } - return tb_id; -} - -/* caller has already checked netif_is_vrf(dev) */ -static inline struct rtable *vrf_dev_get_rth(const struct net_device *dev) -{ - struct rtable *rth = ERR_PTR(-ENETUNREACH); - struct net_vrf *vrf = netdev_priv(dev); - - if (vrf) { - rth = vrf->rth; - atomic_inc(&rth->dst.__refcnt); - } - return rth; -} - -#else -static inline int vrf_master_ifindex_rcu(const struct net_device *dev) -{ - return 0; -} - -static inline int vrf_master_ifindex(const struct net_device *dev) -{ - return 0; -} - -static inline u32 vrf_dev_table_rcu(const struct net_device *dev) -{ - return 0; -} - -static inline u32 vrf_dev_table(const struct net_device *dev) -{ - return 0; -} - -static inline u32 vrf_dev_table_ifindex(struct net *net, int ifindex) -{ - return 0; -} - -static inline u32 vrf_dev_table_rtnl(const struct net_device *dev) -{ - return 0; -} - -static inline struct rtable *vrf_dev_get_rth(const struct net_device *dev) -{ - return ERR_PTR(-ENETUNREACH); -} -#endif - -#endif /* __LINUX_NET_VRF_H */ |