linux-imx

/* SPDX-License-Identifier: GPL-2.0 */

#ifndef _ADDRCONF_H

#define _ADDRCONF_H

​

#define MAX_RTR_SOLICITATIONS       -1      /* unlimited */

#define RTR_SOLICITATION_INTERVAL   (4*HZ)

#define RTR_SOLICITATION_MAX_INTERVAL   (3600*HZ)   /* 1 hour */

​

#define MIN_VALID_LIFETIME      (2*3600)    /* 2 hours */

​

#define TEMP_VALID_LIFETIME     (7*86400)

#define TEMP_PREFERRED_LIFETIME     (86400)

#define REGEN_MAX_RETRY         (3)

#define MAX_DESYNC_FACTOR       (600)

​

#define ADDR_CHECK_FREQUENCY        (120*HZ)

​

#define IPV6_MAX_ADDRESSES      16

​

#define ADDRCONF_TIMER_FUZZ_MINUS   (HZ > 50 ? HZ / 50 : 1)

#define ADDRCONF_TIMER_FUZZ     (HZ / 4)

#define ADDRCONF_TIMER_FUZZ_MAX     (HZ)

​

#define ADDRCONF_NOTIFY_PRIORITY    0

​

#include <linux/in.h>

#include <linux/in6.h>

​

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

    __be32          valid;

    __be32          prefered;

    __be32          reserved2;

​

    struct in6_addr     prefix;

};

​

#include <linux/ipv6.h>

#include <linux/netdevice.h>

#include <net/if_inet6.h>

#include <net/ipv6.h>

​

struct in6_validator_info {

    struct in6_addr     i6vi_addr;

    struct inet6_dev    *i6vi_dev;

    struct netlink_ext_ack  *extack;

};

​

struct ifa6_config {

    const struct in6_addr   *pfx;

    unsigned int        plen;

​

    const struct in6_addr   *peer_pfx;

​

    u32         rt_priority;

    u32         ifa_flags;

    u32         preferred_lft;

    u32         valid_lft;

    u16         scope;

};

​

int addrconf_init(void);

void addrconf_cleanup(void);

​

int addrconf_add_ifaddr(struct net *net, void __user *arg);

int addrconf_del_ifaddr(struct net *net, void __user *arg);

int addrconf_set_dstaddr(struct net *net, void __user *arg);

​

int ipv6_chk_addr(struct net *net, const struct in6_addr *addr,

          const struct net_device *dev, int strict);

int ipv6_chk_addr_and_flags(struct net *net, const struct in6_addr *addr,

                const struct net_device *dev, bool skip_dev_check,

                int strict, u32 banned_flags);

​

#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)

int ipv6_chk_home_addr(struct net *net, const struct in6_addr *addr);

#endif

​