linux-imx

#include <linux/notifier.h>

#include <linux/socket.h>

#include <linux/kernel.h>

#include <linux/export.h>

#include <net/net_namespace.h>

#include <net/fib_notifier.h>

#include <net/netns/ipv6.h>

#include <net/ip6_fib.h>

​

int call_fib6_notifier(struct notifier_block *nb, struct net *net,

               enum fib_event_type event_type,

               struct fib_notifier_info *info)

{

    info->family = AF_INET6;

    return call_fib_notifier(nb, net, event_type, info);

}

​

int call_fib6_notifiers(struct net *net, enum fib_event_type event_type,

            struct fib_notifier_info *info)

{

    info->family = AF_INET6;

    return call_fib_notifiers(net, event_type, info);

}

​

static unsigned int fib6_seq_read(struct net *net)

{

    return fib6_tables_seq_read(net) + fib6_rules_seq_read(net);

}

​

static int fib6_dump(struct net *net, struct notifier_block *nb)

{

    int err;

​

    err = fib6_rules_dump(net, nb);

    if (err)

        return err;

​

    return fib6_tables_dump(net, nb);

}

​

static const struct fib_notifier_ops fib6_notifier_ops_template = {

    .family     = AF_INET6,

    .fib_seq_read   = fib6_seq_read,

    .fib_dump   = fib6_dump,

    .owner      = THIS_MODULE,

};

​

int __net_init fib6_notifier_init(struct net *net)

{

    struct fib_notifier_ops *ops;

​

    ops = fib_notifier_ops_register(&fib6_notifier_ops_template, net);

    if (IS_ERR(ops))

        return PTR_ERR(ops);

    net->ipv6.notifier_ops = ops;

​

    return 0;

}

​

void __net_exit fib6_notifier_exit(struct net *net)

{

    fib_notifier_ops_unregister(net->ipv6.notifier_ops);

}