include/net/netfilter/ipv4/nf_reject.h

   1 #ifndef _IPV4_NF_REJECT_H
   2 #define _IPV4_NF_REJECT_H
   3
   4 #include <linux/skbuff.h>
   5 #include <net/ip.h>
   6 #include <net/icmp.h>
   7
   8 static inline void nf_send_unreach(struct sk_buff *skb_in, int code)
   9 {
  10         icmp_send(skb_in, ICMP_DEST_UNREACH, code, 0);
  11 }
  12
  13 void nf_send_reset(struct sk_buff *oldskb, int hook);
  14
  15 const struct tcphdr *nf_reject_ip_tcphdr_get(struct sk_buff *oldskb,
  16                                              struct tcphdr *_oth, int hook);
  17 struct iphdr *nf_reject_iphdr_put(struct sk_buff *nskb,
  18                                   const struct sk_buff *oldskb,
  19                                   __be16 protocol, int ttl);
  20 void nf_reject_ip_tcphdr_put(struct sk_buff *nskb, const struct sk_buff *oldskb,
  21                              const struct tcphdr *oth);
  22
  23 #endif /* _IPV4_NF_REJECT_H */