24 #ifndef __DECODE_ICMPV6_H__
25 #define __DECODE_ICMPV6_H__
32 #define ICMPV6_HEADER_LEN 8
33 #define ICMPV6_HEADER_PKT_OFFSET 8
37 #define ICMP6_DST_UNREACH 1
38 #define ICMP6_PACKET_TOO_BIG 2
39 #define ICMP6_TIME_EXCEEDED 3
40 #define ICMP6_PARAM_PROB 4
43 #define ICMP6_ECHO_REQUEST 128
44 #define ICMP6_ECHO_REPLY 129
46 #define MLD_LISTENER_QUERY 130
47 #define MLD_LISTENER_REPORT 131
48 #define MLD_LISTENER_REDUCTION 132
50 #define ND_ROUTER_SOLICIT 133
51 #define ND_ROUTER_ADVERT 134
52 #define ND_NEIGHBOR_SOLICIT 135
53 #define ND_NEIGHBOR_ADVERT 136
54 #define ND_REDIRECT 137
57 #define ICMP6_NI_QUERY 139
58 #define ICMP6_NI_REPLY 140
59 #define ND_INVERSE_SOLICIT 141
60 #define ND_INVERSE_ADVERT 142
61 #define MLD_V2_LIST_REPORT 143
62 #define HOME_AGENT_AD_REQUEST 144
63 #define HOME_AGENT_AD_REPLY 145
64 #define MOBILE_PREFIX_SOLICIT 146
65 #define MOBILE_PREFIX_ADVERT 147
66 #define CERT_PATH_SOLICIT 148
67 #define CERT_PATH_ADVERT 149
68 #define ICMP6_MOBILE_EXPERIMENTAL 150
69 #define MC_ROUTER_ADVERT 151
70 #define MC_ROUTER_SOLICIT 152
71 #define MC_ROUTER_TERMINATE 153
72 #define FMIPV6_MSG 154
73 #define RPL_CONTROL_MSG 155
74 #define LOCATOR_UDATE_MSG 156
75 #define DUPL_ADDR_REQUEST 157
76 #define DUPL_ADDR_CONFIRM 158
77 #define MPL_CONTROL_MSG 159
81 #define ICMP6_DST_UNREACH_NOROUTE 0
82 #define ICMP6_DST_UNREACH_ADMIN 1
84 #define ICMP6_DST_UNREACH_BEYONDSCOPE 2
85 #define ICMP6_DST_UNREACH_ADDR 3
86 #define ICMP6_DST_UNREACH_NOPORT 4
87 #define ICMP6_DST_UNREACH_FAILEDPOLICY 5
88 #define ICMP6_DST_UNREACH_REJECTROUTE 6
92 #define ICMP6_TIME_EXCEED_TRANSIT 0
93 #define ICMP6_TIME_EXCEED_REASSEMBLY 1
96 #define ICMP6_PARAMPROB_HEADER 0
97 #define ICMP6_PARAMPROB_NEXTHEADER 1
98 #define ICMP6_PARAMPROB_OPTION 2
102 #define ICMPV6_GET_TYPE(p) (p)->icmpv6h->type
104 #define ICMPV6_GET_CODE(p) (p)->icmpv6h->code
106 #define ICMPV6_GET_RAW_CSUM(p) SCNtohs((p)->icmpv6h->csum)
107 #define ICMPV6_GET_CSUM(p) (p)->icmpv6h->csum
111 #define ICMPV6_GET_ID(p) (p)->icmpv6vars.id
113 #define ICMPV6_GET_SEQ(p) (p)->icmpv6vars.seq
117 #define ICMPV6_GET_UNUSED(p) (p)->icmpv6h->icmpv6b.icmpv6e.unused
119 #define ICMPV6_GET_ERROR_PTR(p) (p)->icmpv6h->icmpv6b.icmpv6e.error_ptr
122 #define ICMPV6_HAS_MTU(p) ((p)->icmpv6h->type == ICMP6_PACKET_TOO_BIG)
124 #define ICMPV6_GET_MTU(p) SCNtohl((p)->icmpv6h->icmpv6b.icmpv6e.mtu)
127 #define ICMPV6_GET_EMB_PROTO(p) (p)->icmpv6vars.emb_ip6_proto_next
129 #define ICMPV6_GET_EMB_IPV6(p) (p)->icmpv6vars.emb_ipv6h
131 #define ICMPV6_GET_EMB_TCP(p) (p)->icmpv6vars.emb_tcph
133 #define ICMPV6_GET_EMB_UDP(p) (p)->icmpv6vars.emb_udph
135 #define ICMPV6_GET_EMB_icmpv6h(p) (p)->icmpv6vars.emb_icmpv6h
187 #define CLEAR_ICMPV6_PACKET(p) do { \
188 (p)->level4_comp_csum = -1; \
189 PACKET_CLEAR_L4VARS((p)); \
190 (p)->icmpv6h = NULL; \
198 static inline uint16_t ICMPV6CalculateChecksum(uint16_t *, uint16_t *, uint16_t);
210 static inline uint16_t ICMPV6CalculateChecksum(uint16_t *shdr, uint16_t *pkt,
214 uint32_t csum = shdr[0];
216 csum += shdr[1] + shdr[2] + shdr[3] + shdr[4] + shdr[5] + shdr[6] +
217 shdr[7] + shdr[8] + shdr[9] + shdr[10] + shdr[11] + shdr[12] +
218 shdr[13] + shdr[14] + shdr[15] + htons(58 + tlen);
226 csum += pkt[0] + pkt[1] + pkt[2] + pkt[3] + pkt[4] + pkt[5] + pkt[6] +
227 pkt[7] + pkt[8] + pkt[9] + pkt[10] + pkt[11] + pkt[12] + pkt[13] +
228 pkt[14] + pkt[15] + pkt[16] + pkt[17] + pkt[18] + pkt[19] +
229 pkt[20] + pkt[21] + pkt[22] + pkt[23] + pkt[24] + pkt[25] +
230 pkt[26] + pkt[27] + pkt[28] + pkt[29] + pkt[30] + pkt[31];
236 csum += pkt[0] + pkt[1] + pkt[2] + pkt[3] + pkt[4] + pkt[5] + pkt[6] +
237 pkt[7] + pkt[8] + pkt[9] + pkt[10] + pkt[11] + pkt[12] + pkt[13] +
244 csum += pkt[0] + pkt[1] + pkt[2] + pkt[3];
250 csum += pkt[0] + pkt[1];
262 *(uint8_t *)(&
pad) = (*(uint8_t *)pkt);
266 csum = (csum >> 16) + (csum & 0x0000FFFF);
267 csum += (csum >> 16);
269 return (uint16_t) ~csum;