diff options
Diffstat (limited to 'net/ipv6/route.c')
| -rw-r--r-- | net/ipv6/route.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 3912aac7854d..25f6d3e619d0 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -6393,6 +6393,30 @@ void __init ip6_route_init_special_entries(void) #endif } +#if IS_BUILTIN(CONFIG_IPV6) +#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS) +DEFINE_BPF_ITER_FUNC(ipv6_route, struct bpf_iter_meta *meta, struct fib6_info *rt) + +static int __init bpf_iter_register(void) +{ + struct bpf_iter_reg reg_info = { + .target = "ipv6_route", + .seq_ops = &ipv6_route_seq_ops, + .init_seq_private = bpf_iter_init_seq_net, + .fini_seq_private = bpf_iter_fini_seq_net, + .seq_priv_size = sizeof(struct ipv6_route_iter), + }; + + return bpf_iter_reg_target(®_info); +} + +static void bpf_iter_unregister(void) +{ + bpf_iter_unreg_target("ipv6_route"); +} +#endif +#endif + int __init ip6_route_init(void) { int ret; @@ -6455,6 +6479,14 @@ int __init ip6_route_init(void) if (ret) goto out_register_late_subsys; +#if IS_BUILTIN(CONFIG_IPV6) +#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS) + ret = bpf_iter_register(); + if (ret) + goto out_register_late_subsys; +#endif +#endif + for_each_possible_cpu(cpu) { struct uncached_list *ul = per_cpu_ptr(&rt6_uncached_list, cpu); @@ -6487,6 +6519,11 @@ out_kmem_cache: void ip6_route_cleanup(void) { +#if IS_BUILTIN(CONFIG_IPV6) +#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS) + bpf_iter_unregister(); +#endif +#endif unregister_netdevice_notifier(&ip6_route_dev_notifier); unregister_pernet_subsys(&ip6_route_net_late_ops); fib6_rules_cleanup(); |