1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _IPV4_NF_REJECT_H 3 #define _IPV4_NF_REJECT_H 4 5 #include <linux/skbuff.h> 6 #include <net/ip.h> 7 #include <net/icmp.h> 8 9 void nf_send_unreach(struct sk_buff *skb_in, int code, int hook); 10 void nf_send_reset(struct net *net, struct sk_buff *oldskb, int hook); 11 12 const struct tcphdr *nf_reject_ip_tcphdr_get(struct sk_buff *oldskb, 13 struct tcphdr *_oth, int hook); 14 struct iphdr *nf_reject_iphdr_put(struct sk_buff *nskb, 15 const struct sk_buff *oldskb, 16 __u8 protocol, int ttl); 17 void nf_reject_ip_tcphdr_put(struct sk_buff *nskb, const struct sk_buff *oldskb, 18 const struct tcphdr *oth); 19 20 #endif /* _IPV4_NF_REJECT_H */ 21