include/net/netfilter/ipv6/nf_reject.h

#ifndef _IPV6_NF_REJECT_H
#define _IPV6_NF_REJECT_H

#include <linux/icmpv6.h>

static inline void
nf_send_unreach6(struct net *net, struct sk_buff *skb_in, unsigned char code,
	     unsigned int hooknum)
{
	if (hooknum == NF_INET_LOCAL_OUT && skb_in->dev == NULL)
		skb_in->dev = net->loopback_dev;

	icmpv6_send(skb_in, ICMPV6_DEST_UNREACH, code, 0);
}

void nf_send_reset6(struct net *net, struct sk_buff *oldskb, int hook);

const struct tcphdr *nf_reject_ip6_tcphdr_get(struct sk_buff *oldskb,
					      struct tcphdr *otcph,
					      unsigned int *otcplen, int hook);
struct ipv6hdr *nf_reject_ip6hdr_put(struct sk_buff *nskb,
				     const struct sk_buff *oldskb,
				     __be16 protocol, int hoplimit);
void nf_reject_ip6_tcphdr_put(struct sk_buff *nskb,
			      const struct sk_buff *oldskb,
			      const struct tcphdr *oth, unsigned int otcplen);

#endif /* _IPV6_NF_REJECT_H */