/* * netsniff-ng - the packet sniffing beast * Copyright 2009, 2010 Daniel Borkmann. * Subject to the GPL, version 2. */ #include #include #include /* for ntohs() */ #include "proto.h" #include "protos.h" #include "csum.h" #include "pkt_buff.h" #include "built_in.h" struct icmphdr { uint8_t type; uint8_t code; uint16_t checksum; union { struct { uint16_t id; uint16_t sequence; } echo; uint32_t gateway; struct { uint16_t ____unused; uint16_t mtu; } frag; } un; } __packed; static void icmp(struct pkt_buff *pkt) { struct icmphdr *icmp = (struct icmphdr *) pkt_pull(pkt, sizeof(*icmp)); uint16_t csum; if (icmp == NULL) return; csum = calc_csum(icmp, pkt_len(pkt) + sizeof(*icmp), 0); tprintf(" [ ICMP "); tprintf("Type (%u), ", icmp->type); tprintf("Code (%u), ", icmp->code); tprintf("CSum (0x%.4x) is %s", ntohs(icmp->checksum), csum ? colorize_start_full(black, red) "bogus (!)" colorize_end() : "ok"); tprintf(" ]\n"); } static void icmp_less(struct pkt_buff *pkt) { struct icmphdr *icmp = (struct icmphdr *) pkt_pull(pkt, sizeof(*icmp)); if (icmp == NULL) return; tprintf(" Type %u Code %u", icmp->type, icmp->code); } struct protocol icmpv4_ops = { .key = 0x01, .print_full = icmp, .print_less = icmp_less, }; ype='submit' value='switch'/> net-next plumbingsTobias Klauser
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authorJoshua Clayton <stillcompiling@gmail.com>2016-06-01 08:55:00 -0700
committerRob Herring <robh@kernel.org>2016-06-03 07:33:12 -0500
commitf83803305b008ca3d75b00092b6493bc19eda60b (patch)
tree97232d8c804f9b94957aa1b11b224807a9600114 /Documentation
parent53e1941ce8a25543eef2016b8de69d155f5151a5 (diff)
of: add vendor prefix for UniWest
United Western Technologies Corp, known primarily as UniWest, is a manufacturer of eddy current and ultrasonic testing equipment. Signed-off-by: Joshua Clayton <stillcompiling@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation')