2005-04-17 05:20:36 +07:00
|
|
|
#ifndef _ADDRCONF_H
|
|
|
|
#define _ADDRCONF_H
|
|
|
|
|
|
|
|
#define MAX_RTR_SOLICITATIONS 3
|
|
|
|
#define RTR_SOLICITATION_INTERVAL (4*HZ)
|
|
|
|
|
|
|
|
#define MIN_VALID_LIFETIME (2*3600) /* 2 hours */
|
|
|
|
|
|
|
|
#define TEMP_VALID_LIFETIME (7*86400)
|
|
|
|
#define TEMP_PREFERRED_LIFETIME (86400)
|
2011-07-26 20:50:49 +07:00
|
|
|
#define REGEN_MAX_RETRY (3)
|
2005-04-17 05:20:36 +07:00
|
|
|
#define MAX_DESYNC_FACTOR (600)
|
|
|
|
|
|
|
|
#define ADDR_CHECK_FREQUENCY (120*HZ)
|
|
|
|
|
|
|
|
#define IPV6_MAX_ADDRESSES 16
|
|
|
|
|
2007-11-29 18:11:40 +07:00
|
|
|
#include <linux/in.h>
|
2005-05-04 12:17:18 +07:00
|
|
|
#include <linux/in6.h>
|
|
|
|
|
2005-04-17 05:20:36 +07:00
|
|
|
struct prefix_info {
|
|
|
|
__u8 type;
|
|
|
|
__u8 length;
|
|
|
|
__u8 prefix_len;
|
|
|
|
|
|
|
|
#if defined(__BIG_ENDIAN_BITFIELD)
|
|
|
|
__u8 onlink : 1,
|
|
|
|
autoconf : 1,
|
|
|
|
reserved : 6;
|
|
|
|
#elif defined(__LITTLE_ENDIAN_BITFIELD)
|
|
|
|
__u8 reserved : 6,
|
|
|
|
autoconf : 1,
|
|
|
|
onlink : 1;
|
|
|
|
#else
|
|
|
|
#error "Please fix <asm/byteorder.h>"
|
|
|
|
#endif
|
2006-11-15 11:56:00 +07:00
|
|
|
__be32 valid;
|
|
|
|
__be32 prefered;
|
|
|
|
__be32 reserved2;
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
struct in6_addr prefix;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
#include <linux/netdevice.h>
|
|
|
|
#include <net/if_inet6.h>
|
2005-05-04 04:25:13 +07:00
|
|
|
#include <net/ipv6.h>
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
#define IN6_ADDR_HSIZE 16
|
|
|
|
|
|
|
|
extern int addrconf_init(void);
|
|
|
|
extern void addrconf_cleanup(void);
|
|
|
|
|
2008-03-06 01:46:57 +07:00
|
|
|
extern int addrconf_add_ifaddr(struct net *net,
|
|
|
|
void __user *arg);
|
|
|
|
extern int addrconf_del_ifaddr(struct net *net,
|
|
|
|
void __user *arg);
|
|
|
|
extern int addrconf_set_dstaddr(struct net *net,
|
|
|
|
void __user *arg);
|
2005-04-17 05:20:36 +07:00
|
|
|
|
2008-01-11 13:43:18 +07:00
|
|
|
extern int ipv6_chk_addr(struct net *net,
|
2011-04-22 11:53:02 +07:00
|
|
|
const struct in6_addr *addr,
|
2005-04-17 05:20:36 +07:00
|
|
|
struct net_device *dev,
|
|
|
|
int strict);
|
2008-01-11 13:43:18 +07:00
|
|
|
|
2007-06-27 13:56:32 +07:00
|
|
|
#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
|
2008-01-11 13:44:40 +07:00
|
|
|
extern int ipv6_chk_home_addr(struct net *net,
|
2011-04-22 11:53:02 +07:00
|
|
|
const struct in6_addr *addr);
|
2006-08-24 09:16:22 +07:00
|
|
|
#endif
|
2008-03-16 09:54:23 +07:00
|
|
|
|
2011-04-22 11:53:02 +07:00
|
|
|
extern int ipv6_chk_prefix(const struct in6_addr *addr,
|
2008-03-16 09:54:23 +07:00
|
|
|
struct net_device *dev);
|
|
|
|
|
2008-01-11 13:44:09 +07:00
|
|
|
extern struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net,
|
[IPV6]: Make address arguments const.
- net/ipv6/addrconf.c:
ipv6_get_ifaddr(), ipv6_dev_get_saddr()
- net/ipv6/mcast.c:
ipv6_sock_mc_join(), ipv6_sock_mc_drop(),
inet6_mc_check(),
ipv6_dev_mc_inc(), __ipv6_dev_mc_dec(), ipv6_dev_mc_dec(),
ipv6_chk_mcast_addr()
- net/ipv6/route.c:
rt6_lookup(), icmp6_dst_alloc()
- net/ipv6/ip6_output.c:
ip6_nd_hdr()
- net/ipv6/ndisc.c:
ndisc_send_ns(), ndisc_send_rs(), ndisc_send_redirect(),
ndisc_get_neigh(), __ndisc_send()
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-04-10 13:42:10 +07:00
|
|
|
const struct in6_addr *addr,
|
2008-01-11 13:44:09 +07:00
|
|
|
struct net_device *dev,
|
|
|
|
int strict);
|
|
|
|
|
2008-08-15 05:33:21 +07:00
|
|
|
extern int ipv6_dev_get_saddr(struct net *net,
|
|
|
|
struct net_device *dev,
|
[IPV6]: Make address arguments const.
- net/ipv6/addrconf.c:
ipv6_get_ifaddr(), ipv6_dev_get_saddr()
- net/ipv6/mcast.c:
ipv6_sock_mc_join(), ipv6_sock_mc_drop(),
inet6_mc_check(),
ipv6_dev_mc_inc(), __ipv6_dev_mc_dec(), ipv6_dev_mc_dec(),
ipv6_chk_mcast_addr()
- net/ipv6/route.c:
rt6_lookup(), icmp6_dst_alloc()
- net/ipv6/ip6_output.c:
ip6_nd_hdr()
- net/ipv6/ndisc.c:
ndisc_send_ns(), ndisc_send_rs(), ndisc_send_redirect(),
ndisc_get_neigh(), __ndisc_send()
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-04-10 13:42:10 +07:00
|
|
|
const struct in6_addr *daddr,
|
2008-03-25 07:37:42 +07:00
|
|
|
unsigned int srcprefs,
|
2005-04-17 05:20:36 +07:00
|
|
|
struct in6_addr *saddr);
|
2007-04-26 07:08:10 +07:00
|
|
|
extern int ipv6_get_lladdr(struct net_device *dev,
|
|
|
|
struct in6_addr *addr,
|
|
|
|
unsigned char banned_flags);
|
2009-03-24 23:24:51 +07:00
|
|
|
extern int ipv6_rcv_saddr_equal(const struct sock *sk,
|
|
|
|
const struct sock *sk2);
|
2005-04-17 05:20:36 +07:00
|
|
|
extern void addrconf_join_solict(struct net_device *dev,
|
2011-04-22 11:53:02 +07:00
|
|
|
const struct in6_addr *addr);
|
2005-04-17 05:20:36 +07:00
|
|
|
extern void addrconf_leave_solict(struct inet6_dev *idev,
|
2011-04-22 11:53:02 +07:00
|
|
|
const struct in6_addr *addr);
|
2005-04-17 05:20:36 +07:00
|
|
|
|
2008-05-27 15:37:49 +07:00
|
|
|
static inline unsigned long addrconf_timeout_fixup(u32 timeout,
|
|
|
|
unsigned unit)
|
|
|
|
{
|
|
|
|
if (timeout == 0xffffffff)
|
|
|
|
return ~0UL;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Avoid arithmetic overflow.
|
|
|
|
* Assuming unit is constant and non-zero, this "if" statement
|
|
|
|
* will go away on 64bit archs.
|
|
|
|
*/
|
|
|
|
if (0xfffffffe > LONG_MAX / unit && timeout > LONG_MAX / unit)
|
|
|
|
return LONG_MAX / unit;
|
|
|
|
|
|
|
|
return timeout;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int addrconf_finite_timeout(unsigned long timeout)
|
|
|
|
{
|
|
|
|
return ~timeout;
|
|
|
|
}
|
|
|
|
|
2007-11-14 13:56:23 +07:00
|
|
|
/*
|
|
|
|
* IPv6 Address Label subsystem (addrlabel.c)
|
|
|
|
*/
|
|
|
|
extern int ipv6_addr_label_init(void);
|
2010-09-24 16:55:52 +07:00
|
|
|
extern void ipv6_addr_label_cleanup(void);
|
2007-11-14 13:56:23 +07:00
|
|
|
extern void ipv6_addr_label_rtnl_register(void);
|
2008-05-28 19:51:24 +07:00
|
|
|
extern u32 ipv6_addr_label(struct net *net,
|
|
|
|
const struct in6_addr *addr,
|
2007-11-14 13:56:23 +07:00
|
|
|
int type, int ifindex);
|
|
|
|
|
2005-04-17 05:20:36 +07:00
|
|
|
/*
|
|
|
|
* multicast prototypes (mcast.c)
|
|
|
|
*/
|
[IPV6]: Make address arguments const.
- net/ipv6/addrconf.c:
ipv6_get_ifaddr(), ipv6_dev_get_saddr()
- net/ipv6/mcast.c:
ipv6_sock_mc_join(), ipv6_sock_mc_drop(),
inet6_mc_check(),
ipv6_dev_mc_inc(), __ipv6_dev_mc_dec(), ipv6_dev_mc_dec(),
ipv6_chk_mcast_addr()
- net/ipv6/route.c:
rt6_lookup(), icmp6_dst_alloc()
- net/ipv6/ip6_output.c:
ip6_nd_hdr()
- net/ipv6/ndisc.c:
ndisc_send_ns(), ndisc_send_rs(), ndisc_send_redirect(),
ndisc_get_neigh(), __ndisc_send()
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-04-10 13:42:10 +07:00
|
|
|
extern int ipv6_sock_mc_join(struct sock *sk, int ifindex,
|
|
|
|
const struct in6_addr *addr);
|
|
|
|
extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
|
|
|
|
const struct in6_addr *addr);
|
2005-04-17 05:20:36 +07:00
|
|
|
extern void ipv6_sock_mc_close(struct sock *sk);
|
[IPV6]: Make address arguments const.
- net/ipv6/addrconf.c:
ipv6_get_ifaddr(), ipv6_dev_get_saddr()
- net/ipv6/mcast.c:
ipv6_sock_mc_join(), ipv6_sock_mc_drop(),
inet6_mc_check(),
ipv6_dev_mc_inc(), __ipv6_dev_mc_dec(), ipv6_dev_mc_dec(),
ipv6_chk_mcast_addr()
- net/ipv6/route.c:
rt6_lookup(), icmp6_dst_alloc()
- net/ipv6/ip6_output.c:
ip6_nd_hdr()
- net/ipv6/ndisc.c:
ndisc_send_ns(), ndisc_send_rs(), ndisc_send_redirect(),
ndisc_get_neigh(), __ndisc_send()
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-04-10 13:42:10 +07:00
|
|
|
extern int inet6_mc_check(struct sock *sk,
|
|
|
|
const struct in6_addr *mc_addr,
|
|
|
|
const struct in6_addr *src_addr);
|
2005-04-17 05:20:36 +07:00
|
|
|
|
[IPV6]: Make address arguments const.
- net/ipv6/addrconf.c:
ipv6_get_ifaddr(), ipv6_dev_get_saddr()
- net/ipv6/mcast.c:
ipv6_sock_mc_join(), ipv6_sock_mc_drop(),
inet6_mc_check(),
ipv6_dev_mc_inc(), __ipv6_dev_mc_dec(), ipv6_dev_mc_dec(),
ipv6_chk_mcast_addr()
- net/ipv6/route.c:
rt6_lookup(), icmp6_dst_alloc()
- net/ipv6/ip6_output.c:
ip6_nd_hdr()
- net/ipv6/ndisc.c:
ndisc_send_ns(), ndisc_send_rs(), ndisc_send_redirect(),
ndisc_get_neigh(), __ndisc_send()
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-04-10 13:42:10 +07:00
|
|
|
extern int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr);
|
|
|
|
extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr);
|
|
|
|
extern int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr);
|
2005-04-17 05:20:36 +07:00
|
|
|
extern void ipv6_mc_up(struct inet6_dev *idev);
|
|
|
|
extern void ipv6_mc_down(struct inet6_dev *idev);
|
2009-09-15 16:37:40 +07:00
|
|
|
extern void ipv6_mc_unmap(struct inet6_dev *idev);
|
|
|
|
extern void ipv6_mc_remap(struct inet6_dev *idev);
|
2005-04-17 05:20:36 +07:00
|
|
|
extern void ipv6_mc_init_dev(struct inet6_dev *idev);
|
|
|
|
extern void ipv6_mc_destroy_dev(struct inet6_dev *idev);
|
|
|
|
extern void addrconf_dad_failure(struct inet6_ifaddr *ifp);
|
|
|
|
|
[IPV6]: Make address arguments const.
- net/ipv6/addrconf.c:
ipv6_get_ifaddr(), ipv6_dev_get_saddr()
- net/ipv6/mcast.c:
ipv6_sock_mc_join(), ipv6_sock_mc_drop(),
inet6_mc_check(),
ipv6_dev_mc_inc(), __ipv6_dev_mc_dec(), ipv6_dev_mc_dec(),
ipv6_chk_mcast_addr()
- net/ipv6/route.c:
rt6_lookup(), icmp6_dst_alloc()
- net/ipv6/ip6_output.c:
ip6_nd_hdr()
- net/ipv6/ndisc.c:
ndisc_send_ns(), ndisc_send_rs(), ndisc_send_redirect(),
ndisc_get_neigh(), __ndisc_send()
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-04-10 13:42:10 +07:00
|
|
|
extern int ipv6_chk_mcast_addr(struct net_device *dev,
|
|
|
|
const struct in6_addr *group,
|
|
|
|
const struct in6_addr *src_addr);
|
2005-04-17 05:20:36 +07:00
|
|
|
extern int ipv6_is_mld(struct sk_buff *skb, int nexthdr);
|
|
|
|
|
2012-01-04 17:49:15 +07:00
|
|
|
extern void addrconf_prefix_rcv(struct net_device *dev,
|
|
|
|
u8 *opt, int len, bool sllao);
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
/*
|
|
|
|
* anycast prototypes (anycast.c)
|
|
|
|
*/
|
2011-04-22 11:53:02 +07:00
|
|
|
extern int ipv6_sock_ac_join(struct sock *sk,int ifindex, const struct in6_addr *addr);
|
|
|
|
extern int ipv6_sock_ac_drop(struct sock *sk,int ifindex, const struct in6_addr *addr);
|
2005-04-17 05:20:36 +07:00
|
|
|
extern void ipv6_sock_ac_close(struct sock *sk);
|
|
|
|
|
2011-04-22 11:53:02 +07:00
|
|
|
extern int ipv6_dev_ac_inc(struct net_device *dev, const struct in6_addr *addr);
|
|
|
|
extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, const struct in6_addr *addr);
|
2008-03-27 06:52:32 +07:00
|
|
|
extern int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
|
2011-04-22 11:53:02 +07:00
|
|
|
const struct in6_addr *addr);
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
|
|
|
|
/* Device notifier */
|
|
|
|
extern int register_inet6addr_notifier(struct notifier_block *nb);
|
|
|
|
extern int unregister_inet6addr_notifier(struct notifier_block *nb);
|
|
|
|
|
2010-09-21 13:57:39 +07:00
|
|
|
/**
|
|
|
|
* __in6_dev_get - get inet6_dev pointer from netdevice
|
|
|
|
* @dev: network device
|
|
|
|
*
|
|
|
|
* Caller must hold rcu_read_lock or RTNL, because this function
|
|
|
|
* does not take a reference on the inet6_dev.
|
|
|
|
*/
|
|
|
|
static inline struct inet6_dev *__in6_dev_get(const struct net_device *dev)
|
2005-04-17 05:20:36 +07:00
|
|
|
{
|
2010-09-21 13:57:39 +07:00
|
|
|
return rcu_dereference_rtnl(dev->ip6_ptr);
|
2005-04-17 05:20:36 +07:00
|
|
|
}
|
|
|
|
|
2010-09-21 13:57:39 +07:00
|
|
|
/**
|
|
|
|
* in6_dev_get - get inet6_dev pointer from netdevice
|
|
|
|
* @dev: network device
|
|
|
|
*
|
|
|
|
* This version can be used in any context, and takes a reference
|
|
|
|
* on the inet6_dev. Callers must use in6_dev_put() later to
|
|
|
|
* release this reference.
|
|
|
|
*/
|
|
|
|
static inline struct inet6_dev *in6_dev_get(const struct net_device *dev)
|
2005-04-17 05:20:36 +07:00
|
|
|
{
|
2010-09-21 13:57:39 +07:00
|
|
|
struct inet6_dev *idev;
|
|
|
|
|
2006-09-23 04:44:24 +07:00
|
|
|
rcu_read_lock();
|
2010-09-21 13:57:39 +07:00
|
|
|
idev = rcu_dereference(dev->ip6_ptr);
|
2005-04-17 05:20:36 +07:00
|
|
|
if (idev)
|
|
|
|
atomic_inc(&idev->refcnt);
|
2006-09-23 04:44:24 +07:00
|
|
|
rcu_read_unlock();
|
2005-04-17 05:20:36 +07:00
|
|
|
return idev;
|
|
|
|
}
|
|
|
|
|
|
|
|
extern void in6_dev_finish_destroy(struct inet6_dev *idev);
|
|
|
|
|
2010-09-21 13:57:39 +07:00
|
|
|
static inline void in6_dev_put(struct inet6_dev *idev)
|
2005-04-17 05:20:36 +07:00
|
|
|
{
|
|
|
|
if (atomic_dec_and_test(&idev->refcnt))
|
|
|
|
in6_dev_finish_destroy(idev);
|
|
|
|
}
|
|
|
|
|
2010-09-21 13:57:39 +07:00
|
|
|
static inline void __in6_dev_put(struct inet6_dev *idev)
|
|
|
|
{
|
|
|
|
atomic_dec(&idev->refcnt);
|
|
|
|
}
|
2005-04-17 05:20:36 +07:00
|
|
|
|
2010-09-21 13:57:39 +07:00
|
|
|
static inline void in6_dev_hold(struct inet6_dev *idev)
|
|
|
|
{
|
|
|
|
atomic_inc(&idev->refcnt);
|
|
|
|
}
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
extern void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp);
|
|
|
|
|
|
|
|
static inline void in6_ifa_put(struct inet6_ifaddr *ifp)
|
|
|
|
{
|
|
|
|
if (atomic_dec_and_test(&ifp->refcnt))
|
|
|
|
inet6_ifa_finish_destroy(ifp);
|
|
|
|
}
|
|
|
|
|
2010-09-21 13:57:39 +07:00
|
|
|
static inline void __in6_ifa_put(struct inet6_ifaddr *ifp)
|
|
|
|
{
|
|
|
|
atomic_dec(&ifp->refcnt);
|
|
|
|
}
|
2005-04-17 05:20:36 +07:00
|
|
|
|
2010-09-21 13:57:39 +07:00
|
|
|
static inline void in6_ifa_hold(struct inet6_ifaddr *ifp)
|
|
|
|
{
|
|
|
|
atomic_inc(&ifp->refcnt);
|
|
|
|
}
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* compute link-local solicited-node multicast address
|
|
|
|
*/
|
|
|
|
|
|
|
|
static inline void addrconf_addr_solict_mult(const struct in6_addr *addr,
|
|
|
|
struct in6_addr *solicited)
|
|
|
|
{
|
|
|
|
ipv6_addr_set(solicited,
|
2008-02-28 15:03:12 +07:00
|
|
|
htonl(0xFF020000), 0,
|
|
|
|
htonl(0x1),
|
|
|
|
htonl(0xFF000000) | addr->s6_addr32[3]);
|
2005-04-17 05:20:36 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline int ipv6_addr_is_multicast(const struct in6_addr *addr)
|
|
|
|
{
|
2008-02-28 15:03:12 +07:00
|
|
|
return (addr->s6_addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000);
|
2005-04-17 05:20:36 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline int ipv6_addr_is_ll_all_nodes(const struct in6_addr *addr)
|
|
|
|
{
|
2010-09-21 13:57:39 +07:00
|
|
|
return ((addr->s6_addr32[0] ^ htonl(0xff020000)) |
|
2008-04-11 18:17:55 +07:00
|
|
|
addr->s6_addr32[1] | addr->s6_addr32[2] |
|
2010-09-21 13:57:39 +07:00
|
|
|
(addr->s6_addr32[3] ^ htonl(0x00000001))) == 0;
|
2005-04-17 05:20:36 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline int ipv6_addr_is_ll_all_routers(const struct in6_addr *addr)
|
|
|
|
{
|
2010-09-21 13:57:39 +07:00
|
|
|
return ((addr->s6_addr32[0] ^ htonl(0xff020000)) |
|
2008-04-11 18:17:55 +07:00
|
|
|
addr->s6_addr32[1] | addr->s6_addr32[2] |
|
2010-09-21 13:57:39 +07:00
|
|
|
(addr->s6_addr32[3] ^ htonl(0x00000002))) == 0;
|
2005-04-17 05:20:36 +07:00
|
|
|
}
|
|
|
|
|
2007-11-29 18:11:40 +07:00
|
|
|
static inline int ipv6_addr_is_isatap(const struct in6_addr *addr)
|
|
|
|
{
|
2010-09-21 13:57:39 +07:00
|
|
|
return (addr->s6_addr32[2] | htonl(0x02000000)) == htonl(0x02005EFE);
|
2007-11-29 18:11:40 +07:00
|
|
|
}
|
|
|
|
|
2005-08-16 12:18:02 +07:00
|
|
|
#ifdef CONFIG_PROC_FS
|
|
|
|
extern int if6_proc_init(void);
|
|
|
|
extern void if6_proc_exit(void);
|
|
|
|
#endif
|
|
|
|
|
2005-04-17 05:20:36 +07:00
|
|
|
#endif
|