�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * 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, * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_ICMP_H #define _LINUX_ICMP_H #include #define ICMP_ECHOREPLY 0 /* Echo Reply */ #define ICMP_DEST_UNREACH 3 /* Destination Unreachable */ #define ICMP_SOURCE_QUENCH 4 /* Source Quench */ #define ICMP_REDIRECT 5 /* Redirect (change route) */ #define ICMP_ECHO 8 /* Echo Request */ #define ICMP_TIME_EXCEEDED 11 /* Time Exceeded */ #define ICMP_PARAMETERPROB 12 /* Parameter Problem */ #define ICMP_TIMESTAMP 13 /* Timestamp Request */ #define ICMP_TIMESTAMPREPLY 14 /* Timestamp Reply */ #define ICMP_INFO_REQUEST 15 /* Information Request */ #define ICMP_INFO_REPLY 16 /* Information Reply */ #define ICMP_ADDRESS 17 /* Address Mask Request */ #define ICMP_ADDRESSREPLY 18 /* Address Mask Reply */ #define NR_ICMP_TYPES 18 /* Codes for UNREACH. */ #define ICMP_NET_UNREACH 0 /* Network Unreachable */ #define ICMP_HOST_UNREACH 1 /* Host Unreachable */ #define ICMP_PROT_UNREACH 2 /* Protocol Unreachable */ #define ICMP_PORT_UNREACH 3 /* Port Unreachable */ #define ICMP_FRAG_NEEDED 4 /* Fragmentation Needed/DF set */ #define ICMP_SR_FAILED 5 /* Source Route failed */ #define ICMP_NET_UNKNOWN 6 #define ICMP_HOST_UNKNOWN 7 #define ICMP_HOST_ISOLATED 8 #define ICMP_NET_ANO 9 #define ICMP_HOST_ANO 10 #define ICMP_NET_UNR_TOS 11 #define ICMP_HOST_UNR_TOS 12 #define ICMP_PKT_FILTERED 13 /* Packet filtered */ #define ICMP_PREC_VIOLATION 14 /* Precedence violation */ #define ICMP_PREC_CUTOFF 15 /* Precedence cut off */ #define NR_ICMP_UNREACH 15 /* instead of hardcoding immediate value */ /* Codes for REDIRECT. */ #define ICMP_REDIR_NET 0 /* Redirect Net */ #define ICMP_REDIR_HOST 1 /* Redirect Host */ #define ICMP_REDIR_NETTOS 2 /* Redirect Net for TOS */ #define ICMP_REDIR_HOSTTOS 3 /* Redirect Host for TOS */ /* Codes for TIME_EXCEEDED. */ #define ICMP_EXC_TTL 0 /* TTL count exceeded */ #define ICMP_EXC_FRAGTIME 1 /* Fragment Reass time exceeded */ struct icmphdr { __u8 type; __u8 code; __sum16 checksum; union { struct { __be16 id; __be16 sequence; } echo; __be32 gateway; struct { __be16 __unused; __be16 mtu; } frag; __u8 reserved[4]; } un; }; /* * constants for (set|get)sockopt */ #define ICMP_FILTER 1 struct icmp_filter { __u32 data; }; #endif /* _LINUX_ICMP_H */