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/*
* 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)
/* caller has already checked netif_is_l3_master(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 struct rtable *vrf_dev_get_rth(const struct net_device *dev)
{
return ERR_PTR(-ENETUNREACH);
}
#endif
#endif /* __LINUX_NET_VRF_H */
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