diff options
Diffstat (limited to 'include/linux/icmp.h')
| -rw-r--r-- | include/linux/icmp.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/linux/icmp.h b/include/linux/icmp.h new file mode 100644 index 000000000..0af4d210e --- /dev/null +++ b/include/linux/icmp.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * INET An implementation of the TCP/IP protocol suite for the LINUX + * operating system. INET is implemented using the BSD Socket + * interface as the means of communication with the user level. + * + * Definitions for the ICMP protocol. + * + * Version: @(#)icmp.h 1.0.3 04/28/93 + * + * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> + */ +#ifndef _LINUX_ICMP_H +#define _LINUX_ICMP_H + +#include <linux/skbuff.h> +#include <uapi/linux/icmp.h> +#include <uapi/linux/errqueue.h> + +static inline struct icmphdr *icmp_hdr(const struct sk_buff *skb) +{ + return (struct icmphdr *)skb_transport_header(skb); +} + +static inline bool icmp_is_err(int type) +{ + switch (type) { + case ICMP_DEST_UNREACH: + case ICMP_SOURCE_QUENCH: + case ICMP_REDIRECT: + case ICMP_TIME_EXCEEDED: + case ICMP_PARAMETERPROB: + return true; + } + + return false; +} + +void ip_icmp_error_rfc4884(const struct sk_buff *skb, + struct sock_ee_data_rfc4884 *out, + int thlen, int off); + +#endif /* _LINUX_ICMP_H */ |