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43 lines
1.0 KiB
43 lines
1.0 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* INET An implementation of the TCP/IP protocol suite for the LINUX |
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* operating system. INET is implemented using the BSD Socket |
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* interface as the means of communication with the user level. |
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* |
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* Definitions for the ICMP protocol. |
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* |
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* Version: @(#)icmp.h 1.0.3 04/28/93 |
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* |
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* Author: Fred N. van Kempen, <[email protected]> |
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*/ |
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#ifndef _LINUX_ICMP_H |
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#define _LINUX_ICMP_H |
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#include <linux/skbuff.h> |
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#include <uapi/linux/icmp.h> |
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#include <uapi/linux/errqueue.h> |
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static inline struct icmphdr *icmp_hdr(const struct sk_buff *skb) |
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{ |
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return (struct icmphdr *)skb_transport_header(skb); |
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} |
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static inline bool icmp_is_err(int type) |
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{ |
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switch (type) { |
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case ICMP_DEST_UNREACH: |
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case ICMP_SOURCE_QUENCH: |
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case ICMP_REDIRECT: |
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case ICMP_TIME_EXCEEDED: |
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case ICMP_PARAMETERPROB: |
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return true; |
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} |
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return false; |
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} |
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void ip_icmp_error_rfc4884(const struct sk_buff *skb, |
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struct sock_ee_data_rfc4884 *out, |
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int thlen, int off); |
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#endif /* _LINUX_ICMP_H */
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