2005-04-16 16:20:36 -06:00
|
|
|
#ifndef __LINUX_RTNETLINK_H
|
|
|
|
#define __LINUX_RTNETLINK_H
|
|
|
|
|
|
|
|
|
2006-03-20 23:23:58 -07:00
|
|
|
#include <linux/mutex.h>
|
2010-11-14 23:01:59 -07:00
|
|
|
#include <linux/netdevice.h>
|
2012-10-13 03:46:48 -06:00
|
|
|
#include <uapi/linux/rtnetlink.h>
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2007-11-19 23:26:51 -07:00
|
|
|
extern int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, u32 group, int echo);
|
|
|
|
extern int rtnl_unicast(struct sk_buff *skb, struct net *net, u32 pid);
|
2009-02-25 00:18:28 -07:00
|
|
|
extern void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid,
|
|
|
|
u32 group, struct nlmsghdr *nlh, gfp_t flags);
|
2007-11-19 23:26:51 -07:00
|
|
|
extern void rtnl_set_sk_err(struct net *net, u32 group, int error);
|
2005-04-16 16:20:36 -06:00
|
|
|
extern int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics);
|
2006-11-27 10:27:07 -07:00
|
|
|
extern int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst,
|
2012-07-10 06:06:14 -06:00
|
|
|
u32 id, long expires, u32 error);
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2013-10-23 17:02:42 -06:00
|
|
|
void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change, gfp_t flags);
|
2005-04-16 16:20:36 -06:00
|
|
|
|
2006-03-20 23:23:58 -07:00
|
|
|
/* RTNL is used as a global lock for all changes to network configuration */
|
2005-04-16 16:20:36 -06:00
|
|
|
extern void rtnl_lock(void);
|
|
|
|
extern void rtnl_unlock(void);
|
2006-03-20 23:23:58 -07:00
|
|
|
extern int rtnl_trylock(void);
|
2008-04-23 23:10:48 -06:00
|
|
|
extern int rtnl_is_locked(void);
|
2010-02-22 18:04:49 -07:00
|
|
|
#ifdef CONFIG_PROVE_LOCKING
|
|
|
|
extern int lockdep_rtnl_is_held(void);
|
|
|
|
#endif /* #ifdef CONFIG_PROVE_LOCKING */
|
2006-03-20 23:23:58 -07:00
|
|
|
|
2010-09-08 15:15:32 -06:00
|
|
|
/**
|
|
|
|
* rcu_dereference_rtnl - rcu_dereference with debug checking
|
|
|
|
* @p: The pointer to read, prior to dereferencing
|
|
|
|
*
|
|
|
|
* Do an rcu_dereference(p), but check caller either holds rcu_read_lock()
|
2010-10-05 01:29:48 -06:00
|
|
|
* or RTNL. Note : Please prefer rtnl_dereference() or rcu_dereference()
|
2010-09-08 15:15:32 -06:00
|
|
|
*/
|
|
|
|
#define rcu_dereference_rtnl(p) \
|
2011-07-08 06:39:41 -06:00
|
|
|
rcu_dereference_check(p, lockdep_rtnl_is_held())
|
2010-09-08 15:15:32 -06:00
|
|
|
|
2010-09-15 05:07:15 -06:00
|
|
|
/**
|
2010-10-05 01:29:48 -06:00
|
|
|
* rtnl_dereference - fetch RCU pointer when updates are prevented by RTNL
|
2010-09-15 05:07:15 -06:00
|
|
|
* @p: The pointer to read, prior to dereferencing
|
|
|
|
*
|
2010-10-05 01:29:48 -06:00
|
|
|
* Return the value of the specified RCU-protected pointer, but omit
|
|
|
|
* both the smp_read_barrier_depends() and the ACCESS_ONCE(), because
|
|
|
|
* caller holds RTNL.
|
2010-09-15 05:07:15 -06:00
|
|
|
*/
|
|
|
|
#define rtnl_dereference(p) \
|
2010-10-05 01:29:48 -06:00
|
|
|
rcu_dereference_protected(p, lockdep_rtnl_is_held())
|
2010-09-15 05:07:15 -06:00
|
|
|
|
2010-10-02 00:11:55 -06:00
|
|
|
static inline struct netdev_queue *dev_ingress_queue(struct net_device *dev)
|
|
|
|
{
|
|
|
|
return rtnl_dereference(dev->ingress_queue);
|
|
|
|
}
|
|
|
|
|
|
|
|
extern struct netdev_queue *dev_ingress_queue_create(struct net_device *dev);
|
|
|
|
|
2005-04-16 16:20:36 -06:00
|
|
|
extern void rtnetlink_init(void);
|
2006-03-20 23:23:58 -07:00
|
|
|
extern void __rtnl_unlock(void);
|
2005-04-16 16:20:36 -06:00
|
|
|
|
|
|
|
#define ASSERT_RTNL() do { \
|
2008-04-23 23:10:48 -06:00
|
|
|
if (unlikely(!rtnl_is_locked())) { \
|
2005-04-16 16:20:36 -06:00
|
|
|
printk(KERN_ERR "RTNL: assertion failed at %s (%d)\n", \
|
|
|
|
__FILE__, __LINE__); \
|
|
|
|
dump_stack(); \
|
|
|
|
} \
|
|
|
|
} while(0)
|
|
|
|
|
2012-04-15 00:43:56 -06:00
|
|
|
extern int ndo_dflt_fdb_dump(struct sk_buff *skb,
|
|
|
|
struct netlink_callback *cb,
|
|
|
|
struct net_device *dev,
|
|
|
|
int idx);
|
2013-03-06 08:39:42 -07:00
|
|
|
extern int ndo_dflt_fdb_add(struct ndmsg *ndm,
|
|
|
|
struct nlattr *tb[],
|
|
|
|
struct net_device *dev,
|
|
|
|
const unsigned char *addr,
|
|
|
|
u16 flags);
|
|
|
|
extern int ndo_dflt_fdb_del(struct ndmsg *ndm,
|
|
|
|
struct nlattr *tb[],
|
|
|
|
struct net_device *dev,
|
|
|
|
const unsigned char *addr);
|
2012-10-24 02:13:09 -06:00
|
|
|
|
|
|
|
extern int ndo_dflt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
|
|
|
|
struct net_device *dev, u16 mode);
|
2005-04-16 16:20:36 -06:00
|
|
|
#endif /* __LINUX_RTNETLINK_H */
|