1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * INET An implementation of the TCP/IP protocol suite for the LINUX
4 * operating system. INET is implemented using the BSD Socket
5 * interface as the means of communication with the user level.
7 * Definitions for the ICMP protocol.
9 * Version: @(#)icmp.h 1.0.3 04/28/93
11 * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
16 #include <linux/skbuff.h>
17 #include <uapi/linux/icmp.h>
18 #include <uapi/linux/errqueue.h>
20 static inline struct icmphdr *icmp_hdr(const struct sk_buff *skb)
22 return (struct icmphdr *)skb_transport_header(skb);
25 static inline bool icmp_is_err(int type)
28 case ICMP_DEST_UNREACH:
29 case ICMP_SOURCE_QUENCH:
31 case ICMP_TIME_EXCEEDED:
32 case ICMP_PARAMETERPROB:
39 void ip_icmp_error_rfc4884(const struct sk_buff *skb,
40 struct sock_ee_data_rfc4884 *out,
43 #endif /* _LINUX_ICMP_H */