cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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fib6_notifier.c (1494B)

      1#include <linux/notifier.h>
      2#include <linux/socket.h>
      3#include <linux/kernel.h>
      4#include <linux/export.h>
      5#include <net/net_namespace.h>
      6#include <net/fib_notifier.h>
      7#include <net/netns/ipv6.h>
      8#include <net/ip6_fib.h>
      9
     10int call_fib6_notifier(struct notifier_block *nb,
     11		       enum fib_event_type event_type,
     12		       struct fib_notifier_info *info)
     13{
     14	info->family = AF_INET6;
     15	return call_fib_notifier(nb, event_type, info);
     16}
     17
     18int call_fib6_notifiers(struct net *net, enum fib_event_type event_type,
     19			struct fib_notifier_info *info)
     20{
     21	info->family = AF_INET6;
     22	return call_fib_notifiers(net, event_type, info);
     23}
     24
     25static unsigned int fib6_seq_read(struct net *net)
     26{
     27	return fib6_tables_seq_read(net) + fib6_rules_seq_read(net);
     28}
     29
     30static int fib6_dump(struct net *net, struct notifier_block *nb,
     31		     struct netlink_ext_ack *extack)
     32{
     33	int err;
     34
     35	err = fib6_rules_dump(net, nb, extack);
     36	if (err)
     37		return err;
     38
     39	return fib6_tables_dump(net, nb, extack);
     40}
     41
     42static const struct fib_notifier_ops fib6_notifier_ops_template = {
     43	.family		= AF_INET6,
     44	.fib_seq_read	= fib6_seq_read,
     45	.fib_dump	= fib6_dump,
     46	.owner		= THIS_MODULE,
     47};
     48
     49int __net_init fib6_notifier_init(struct net *net)
     50{
     51	struct fib_notifier_ops *ops;
     52
     53	ops = fib_notifier_ops_register(&fib6_notifier_ops_template, net);
     54	if (IS_ERR(ops))
     55		return PTR_ERR(ops);
     56	net->ipv6.notifier_ops = ops;
     57
     58	return 0;
     59}
     60
     61void __net_exit fib6_notifier_exit(struct net *net)
     62{
     63	fib_notifier_ops_unregister(net->ipv6.notifier_ops);
     64}