linux/net/ipv4/fib_notifier.c
Mianhan Liu 3d5f12d4ff net: ipv4: remove superfluous header files from fib_notifier.c
fib_notifier.c hasn't use any macro or function declared
in net/netns/ipv4.h.

Thus, these files can be removed from fib_notifier.c safely
without affecting the compilation of the net/ipv4 module.

Signed-off-by: Mianhan Liu <liumh1@shanghaitech.edu.cn>
Link: https://lore.kernel.org/r/20210928164011.1454-1-liumh1@shanghaitech.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-09-28 17:32:56 -07:00

73 lines
1.6 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include <linux/rtnetlink.h>
#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/ip_fib.h>
int call_fib4_notifier(struct notifier_block *nb,
enum fib_event_type event_type,
struct fib_notifier_info *info)
{
info->family = AF_INET;
return call_fib_notifier(nb, event_type, info);
}
int call_fib4_notifiers(struct net *net, enum fib_event_type event_type,
struct fib_notifier_info *info)
{
ASSERT_RTNL();
info->family = AF_INET;
net->ipv4.fib_seq++;
return call_fib_notifiers(net, event_type, info);
}
static unsigned int fib4_seq_read(struct net *net)
{
ASSERT_RTNL();
return net->ipv4.fib_seq + fib4_rules_seq_read(net);
}
static int fib4_dump(struct net *net, struct notifier_block *nb,
struct netlink_ext_ack *extack)
{
int err;
err = fib4_rules_dump(net, nb, extack);
if (err)
return err;
return fib_notify(net, nb, extack);
}
static const struct fib_notifier_ops fib4_notifier_ops_template = {
.family = AF_INET,
.fib_seq_read = fib4_seq_read,
.fib_dump = fib4_dump,
.owner = THIS_MODULE,
};
int __net_init fib4_notifier_init(struct net *net)
{
struct fib_notifier_ops *ops;
net->ipv4.fib_seq = 0;
ops = fib_notifier_ops_register(&fib4_notifier_ops_template, net);
if (IS_ERR(ops))
return PTR_ERR(ops);
net->ipv4.notifier_ops = ops;
return 0;
}
void __net_exit fib4_notifier_exit(struct net *net)
{
fib_notifier_ops_unregister(net->ipv4.notifier_ops);
}