#include #include #include #include #include #include #if IS_ENABLED(CONFIG_IPV6) static ip6_icmp_send_t __rcu *ip6_icmp_send; int inet6_register_icmp_sender(ip6_icmp_send_t *fn) { return (cmpxchg((ip6_icmp_send_t **)&ip6_icmp_send, NULL, fn) == NULL) ? 0 : -EBUSY; } EXPORT_SYMBOL(inet6_register_icmp_sender); int inet6_unregister_icmp_sender(ip6_icmp_send_t *fn) { int ret; ret = (cmpxchg((ip6_icmp_send_t **)&ip6_icmp_send, fn, NULL) == fn) ? 0 : -EINVAL; synchronize_net(); return ret; } EXPORT_SYMBOL(inet6_unregister_icmp_sender); void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info) { ip6_icmp_send_t *send; rcu_read_lock(); send = rcu_dereference(ip6_icmp_send); if (!send) goto out; send(skb, type, code, info, NULL); out: rcu_read_unlock(); } EXPORT_SYMBOL(icmpv6_send); #endif ct name='h' onchange='this.form.submit();'> net-next plumbingsTobias Klauser
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