mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-29 23:53:32 +00:00
800e68c44f
Conflicts: tools/testing/selftests/net/config62199e3f16("selftests: net: Add VXLAN MDB test")3a0385be13("selftests: add the missing CONFIG_IP_SCTP in net config") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
133 lines
4.3 KiB
C
133 lines
4.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __LINUX_RTNETLINK_H
|
|
#define __LINUX_RTNETLINK_H
|
|
|
|
|
|
#include <linux/mutex.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/wait.h>
|
|
#include <linux/refcount.h>
|
|
#include <uapi/linux/rtnetlink.h>
|
|
|
|
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);
|
|
extern void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid,
|
|
u32 group, const struct nlmsghdr *nlh, gfp_t flags);
|
|
extern void rtnl_set_sk_err(struct net *net, u32 group, int error);
|
|
extern int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics);
|
|
extern int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst,
|
|
u32 id, long expires, u32 error);
|
|
|
|
void rtmsg_ifinfo(int type, struct net_device *dev, unsigned int change, gfp_t flags,
|
|
u32 portid, const struct nlmsghdr *nlh);
|
|
void rtmsg_ifinfo_newnet(int type, struct net_device *dev, unsigned int change,
|
|
gfp_t flags, int *new_nsid, int new_ifindex);
|
|
struct sk_buff *rtmsg_ifinfo_build_skb(int type, struct net_device *dev,
|
|
unsigned change, u32 event,
|
|
gfp_t flags, int *new_nsid,
|
|
int new_ifindex, u32 portid,
|
|
const struct nlmsghdr *nlh);
|
|
void rtmsg_ifinfo_send(struct sk_buff *skb, struct net_device *dev,
|
|
gfp_t flags, u32 portid, const struct nlmsghdr *nlh);
|
|
|
|
|
|
/* RTNL is used as a global lock for all changes to network configuration */
|
|
extern void rtnl_lock(void);
|
|
extern void rtnl_unlock(void);
|
|
extern int rtnl_trylock(void);
|
|
extern int rtnl_is_locked(void);
|
|
extern int rtnl_lock_killable(void);
|
|
extern bool refcount_dec_and_rtnl_lock(refcount_t *r);
|
|
|
|
extern wait_queue_head_t netdev_unregistering_wq;
|
|
extern struct rw_semaphore pernet_ops_rwsem;
|
|
extern struct rw_semaphore net_rwsem;
|
|
|
|
#ifdef CONFIG_PROVE_LOCKING
|
|
extern bool lockdep_rtnl_is_held(void);
|
|
#else
|
|
static inline bool lockdep_rtnl_is_held(void)
|
|
{
|
|
return true;
|
|
}
|
|
#endif /* #ifdef CONFIG_PROVE_LOCKING */
|
|
|
|
/**
|
|
* 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()
|
|
* or RTNL. Note : Please prefer rtnl_dereference() or rcu_dereference()
|
|
*/
|
|
#define rcu_dereference_rtnl(p) \
|
|
rcu_dereference_check(p, lockdep_rtnl_is_held())
|
|
|
|
/**
|
|
* rtnl_dereference - fetch RCU pointer when updates are prevented by RTNL
|
|
* @p: The pointer to read, prior to dereferencing
|
|
*
|
|
* Return the value of the specified RCU-protected pointer, but omit
|
|
* the READ_ONCE(), because caller holds RTNL.
|
|
*/
|
|
#define rtnl_dereference(p) \
|
|
rcu_dereference_protected(p, lockdep_rtnl_is_held())
|
|
|
|
static inline struct netdev_queue *dev_ingress_queue(struct net_device *dev)
|
|
{
|
|
return rtnl_dereference(dev->ingress_queue);
|
|
}
|
|
|
|
static inline struct netdev_queue *dev_ingress_queue_rcu(struct net_device *dev)
|
|
{
|
|
return rcu_dereference(dev->ingress_queue);
|
|
}
|
|
|
|
struct netdev_queue *dev_ingress_queue_create(struct net_device *dev);
|
|
|
|
#ifdef CONFIG_NET_INGRESS
|
|
void net_inc_ingress_queue(void);
|
|
void net_dec_ingress_queue(void);
|
|
#endif
|
|
|
|
#ifdef CONFIG_NET_EGRESS
|
|
void net_inc_egress_queue(void);
|
|
void net_dec_egress_queue(void);
|
|
void netdev_xmit_skip_txqueue(bool skip);
|
|
#endif
|
|
|
|
void rtnetlink_init(void);
|
|
void __rtnl_unlock(void);
|
|
void rtnl_kfree_skbs(struct sk_buff *head, struct sk_buff *tail);
|
|
|
|
#define ASSERT_RTNL() \
|
|
WARN_ONCE(!rtnl_is_locked(), \
|
|
"RTNL: assertion failed at %s (%d)\n", __FILE__, __LINE__)
|
|
|
|
extern int ndo_dflt_fdb_dump(struct sk_buff *skb,
|
|
struct netlink_callback *cb,
|
|
struct net_device *dev,
|
|
struct net_device *filter_dev,
|
|
int *idx);
|
|
extern int ndo_dflt_fdb_add(struct ndmsg *ndm,
|
|
struct nlattr *tb[],
|
|
struct net_device *dev,
|
|
const unsigned char *addr,
|
|
u16 vid,
|
|
u16 flags);
|
|
extern int ndo_dflt_fdb_del(struct ndmsg *ndm,
|
|
struct nlattr *tb[],
|
|
struct net_device *dev,
|
|
const unsigned char *addr,
|
|
u16 vid);
|
|
|
|
extern int ndo_dflt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
|
|
struct net_device *dev, u16 mode,
|
|
u32 flags, u32 mask, int nlflags,
|
|
u32 filter_mask,
|
|
int (*vlan_fill)(struct sk_buff *skb,
|
|
struct net_device *dev,
|
|
u32 filter_mask));
|
|
|
|
extern void rtnl_offload_xstats_notify(struct net_device *dev);
|
|
|
|
#endif /* __LINUX_RTNETLINK_H */
|