forked from mirrors/linux
2698acd6ea
After we made sure no fib_seq_read() handlers needs RTNL anymore, we can remove RTNL from fib_seq_sum(). Note that after RTNL was dropped, fib_seq_sum() result was possibly outdated anyway. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://patch.msgid.link/20241009184405.3752829-6-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
#include <linux/notifier.h>
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#include <linux/socket.h>
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#include <linux/kernel.h>
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#include <linux/export.h>
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#include <net/net_namespace.h>
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#include <net/fib_notifier.h>
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#include <net/netns/ipv6.h>
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#include <net/ip6_fib.h>
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int call_fib6_notifier(struct notifier_block *nb,
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enum fib_event_type event_type,
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struct fib_notifier_info *info)
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{
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info->family = AF_INET6;
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return call_fib_notifier(nb, event_type, info);
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}
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int call_fib6_notifiers(struct net *net, enum fib_event_type event_type,
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struct fib_notifier_info *info)
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{
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info->family = AF_INET6;
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return call_fib_notifiers(net, event_type, info);
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}
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static unsigned int fib6_seq_read(const struct net *net)
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{
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return fib6_tables_seq_read(net) + fib6_rules_seq_read(net);
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}
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static int fib6_dump(struct net *net, struct notifier_block *nb,
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struct netlink_ext_ack *extack)
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{
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int err;
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err = fib6_rules_dump(net, nb, extack);
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if (err)
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return err;
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return fib6_tables_dump(net, nb, extack);
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}
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static const struct fib_notifier_ops fib6_notifier_ops_template = {
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.family = AF_INET6,
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.fib_seq_read = fib6_seq_read,
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.fib_dump = fib6_dump,
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.owner = THIS_MODULE,
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};
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int __net_init fib6_notifier_init(struct net *net)
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{
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struct fib_notifier_ops *ops;
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ops = fib_notifier_ops_register(&fib6_notifier_ops_template, net);
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if (IS_ERR(ops))
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return PTR_ERR(ops);
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net->ipv6.notifier_ops = ops;
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return 0;
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}
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void __net_exit fib6_notifier_exit(struct net *net)
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{
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fib_notifier_ops_unregister(net->ipv6.notifier_ops);
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}
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