include/net/netfilter/ipv6/nf_reject.h

   1 #ifndef _IPV6_NF_REJECT_H
   2 #define _IPV6_NF_REJECT_H
   3
   4 #include <linux/icmpv6.h>
   5
   6 static inline void
   7 nf_send_unreach6(struct net *net, struct sk_buff *skb_in, unsigned char code,
   8              unsigned int hooknum)
   9 {
  10         if (hooknum == NF_INET_LOCAL_OUT && skb_in->dev == NULL)
  11                 skb_in->dev = net->loopback_dev;
  12
  13         icmpv6_send(skb_in, ICMPV6_DEST_UNREACH, code, 0);
  14 }
  15
  16 void nf_send_reset6(struct net *net, struct sk_buff *oldskb, int hook);
  17
  18 const struct tcphdr *nf_reject_ip6_tcphdr_get(struct sk_buff *oldskb,
  19                                               struct tcphdr *otcph,
  20                                               unsigned int *otcplen, int hook);
  21 struct ipv6hdr *nf_reject_ip6hdr_put(struct sk_buff *nskb,
  22                                      const struct sk_buff *oldskb,
  23                                      __be16 protocol, int hoplimit);
  24 void nf_reject_ip6_tcphdr_put(struct sk_buff *nskb,
  25                               const struct sk_buff *oldskb,
  26                               const struct tcphdr *oth, unsigned int otcplen);
  27
  28 #endif /* _IPV6_NF_REJECT_H */