nexmon – Blame information for rev 1
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1 | office | 1 | /* |
2 | * Redistribution and use in source and binary forms, with or without |
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3 | * modification, are permitted provided that: (1) source code |
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4 | * distributions retain the above copyright notice and this paragraph |
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5 | * in its entirety, and (2) distributions including binary code include |
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6 | * the above copyright notice and this paragraph in its entirety in |
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7 | * the documentation or other materials provided with the distribution. |
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8 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND |
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9 | * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT |
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10 | * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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11 | * FOR A PARTICULAR PURPOSE. |
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12 | * |
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13 | * Original code by Hannes Gredler (hannes@juniper.net) |
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14 | */ |
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15 | |||
16 | #define NETDISSECT_REWORKED |
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17 | #ifdef HAVE_CONFIG_H |
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18 | #include "config.h" |
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19 | #endif |
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20 | |||
21 | #include <tcpdump-stdinc.h> |
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22 | |||
23 | #include "interface.h" |
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24 | #include "extract.h" |
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25 | #include "addrtoname.h" |
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26 | |||
27 | #include "l2vpn.h" |
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28 | #include "oui.h" |
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29 | |||
30 | /* |
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31 | * LSPPING common header |
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32 | * |
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33 | * 0 1 2 3 |
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34 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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35 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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36 | * | Version Number | Must Be Zero | |
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37 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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38 | * | Message Type | Reply mode | Return Code | Return Subcode| |
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39 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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40 | * | Sender's Handle | |
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41 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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42 | * | Sequence Number | |
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43 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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44 | * | TimeStamp Sent (seconds) | |
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45 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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46 | * | TimeStamp Sent (microseconds) | |
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47 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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48 | * | TimeStamp Received (seconds) | |
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49 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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50 | * | TimeStamp Received (microseconds) | |
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51 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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52 | * | TLVs ... | |
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53 | * . . |
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54 | * . . |
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55 | * . . |
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56 | */ |
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57 | |||
58 | struct lspping_common_header { |
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59 | uint8_t version[2]; |
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60 | uint8_t reserved[2]; |
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61 | uint8_t msg_type; |
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62 | uint8_t reply_mode; |
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63 | uint8_t return_code; |
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64 | uint8_t return_subcode; |
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65 | uint8_t sender_handle[4]; |
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66 | uint8_t seq_number[4]; |
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67 | uint8_t ts_sent_sec[4]; |
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68 | uint8_t ts_sent_usec[4]; |
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69 | uint8_t ts_rcvd_sec[4]; |
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70 | uint8_t ts_rcvd_usec[4]; |
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71 | }; |
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72 | |||
73 | #define LSPPING_VERSION 1 |
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74 | |||
75 | static const struct tok lspping_msg_type_values[] = { |
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76 | { 1, "MPLS Echo Request"}, |
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77 | { 2, "MPLS Echo Reply"}, |
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78 | { 0, NULL} |
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79 | }; |
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80 | |||
81 | static const struct tok lspping_reply_mode_values[] = { |
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82 | { 1, "Do not reply"}, |
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83 | { 2, "Reply via an IPv4/IPv6 UDP packet"}, |
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84 | { 3, "Reply via an IPv4/IPv6 UDP packet with Router Alert"}, |
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85 | { 4, "Reply via application level control channel"}, |
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86 | { 0, NULL} |
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87 | }; |
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88 | |||
89 | static const struct tok lspping_return_code_values[] = { |
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90 | { 0, "No return code or return code contained in the Error Code TLV"}, |
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91 | { 1, "Malformed echo request received"}, |
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92 | { 2, "One or more of the TLVs was not understood"}, |
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93 | { 3, "Replying router is an egress for the FEC at stack depth"}, |
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94 | { 4, "Replying router has no mapping for the FEC at stack depth"}, |
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95 | { 5, "Reserved"}, |
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96 | { 6, "Reserved"}, |
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97 | { 7, "Reserved"}, |
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98 | { 8, "Label switched at stack-depth"}, |
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99 | { 9, "Label switched but no MPLS forwarding at stack-depth"}, |
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100 | { 10, "Mapping for this FEC is not the given label at stack depth"}, |
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101 | { 11, "No label entry at stack-depth"}, |
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102 | { 12, "Protocol not associated with interface at FEC stack depth"}, |
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103 | }; |
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104 | |||
105 | |||
106 | /* |
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107 | * LSPPING TLV header |
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108 | * 0 1 2 3 |
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109 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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110 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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111 | * | Type | Length | |
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112 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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113 | * | Value | |
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114 | * . . |
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115 | * . . |
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116 | * . . |
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117 | * | | |
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118 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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119 | */ |
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120 | |||
121 | struct lspping_tlv_header { |
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122 | uint8_t type[2]; |
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123 | uint8_t length[2]; |
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124 | }; |
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125 | |||
126 | #define LSPPING_TLV_TARGET_FEC_STACK 1 |
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127 | #define LSPPING_TLV_DOWNSTREAM_MAPPING 2 |
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128 | #define LSPPING_TLV_PAD 3 |
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129 | #define LSPPING_TLV_VENDOR_ENTERPRISE 5 |
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130 | #define LSPPING_TLV_VENDOR_ENTERPRISE_LEN 4 |
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131 | #define LSPPING_TLV_INTERFACE_LABEL_STACK 7 |
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132 | #define LSPPING_TLV_ERROR_CODE 9 |
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133 | #define LSPPING_TLV_REPLY_TOS_BYTE 10 |
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134 | #define LSPPING_TLV_BFD_DISCRIMINATOR 15 /* draft-ietf-bfd-mpls-02 */ |
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135 | #define LSPPING_TLV_BFD_DISCRIMINATOR_LEN 4 |
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136 | #define LSPPING_TLV_VENDOR_PRIVATE 0xfc00 |
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137 | |||
138 | static const struct tok lspping_tlv_values[] = { |
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139 | { LSPPING_TLV_TARGET_FEC_STACK, "Target FEC Stack" }, |
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140 | { LSPPING_TLV_DOWNSTREAM_MAPPING, "Downstream Mapping" }, |
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141 | { LSPPING_TLV_PAD, "Pad" }, |
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142 | { LSPPING_TLV_ERROR_CODE, "Error Code" }, |
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143 | { LSPPING_TLV_VENDOR_ENTERPRISE, "Vendor Enterprise Code" }, |
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144 | { LSPPING_TLV_INTERFACE_LABEL_STACK, "Interface Label Stack" }, |
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145 | { LSPPING_TLV_REPLY_TOS_BYTE, "Reply TOS Byte" }, |
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146 | { LSPPING_TLV_BFD_DISCRIMINATOR, "BFD Discriminator" }, |
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147 | { LSPPING_TLV_VENDOR_PRIVATE, "Vendor Private Code" }, |
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148 | { 0, NULL} |
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149 | }; |
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150 | |||
151 | #define LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV4 1 |
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152 | #define LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV6 2 |
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153 | #define LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV4 3 |
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154 | #define LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV6 4 |
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155 | #define LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV4 6 |
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156 | #define LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV6 7 |
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157 | #define LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_ENDPT 8 |
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158 | #define LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID_OLD 9 |
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159 | #define LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID 10 |
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160 | #define LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV4 11 |
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161 | #define LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV6 12 |
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162 | |||
163 | static const struct tok lspping_tlvtargetfec_subtlv_values[] = { |
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164 | { LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV4, "LDP IPv4 prefix"}, |
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165 | { LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV6, "LDP IPv6 prefix"}, |
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166 | { LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV4, "RSVP IPv4 Session Query"}, |
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167 | { LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV6, "RSVP IPv6 Session Query"}, |
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168 | { 5, "Reserved"}, |
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169 | { LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV4, "VPN IPv4 prefix"}, |
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170 | { LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV6, "VPN IPv6 prefix"}, |
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171 | { LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_ENDPT, "L2 VPN endpoint"}, |
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172 | { LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID_OLD, "L2 circuit ID (old)"}, |
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173 | { LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID, "L2 circuit ID"}, |
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174 | { LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV4, "BGP labeled IPv4 prefix"}, |
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175 | { LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV6, "BGP labeled IPv6 prefix"}, |
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176 | { 0, NULL} |
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177 | }; |
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178 | |||
179 | /* |
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180 | * 0 1 2 3 |
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181 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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182 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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183 | * | IPv4 prefix | |
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184 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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185 | * | Prefix Length | Must Be Zero | |
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186 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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187 | */ |
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188 | struct lspping_tlv_targetfec_subtlv_ldp_ipv4_t { |
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189 | uint8_t prefix [4]; |
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190 | uint8_t prefix_len; |
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191 | }; |
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192 | |||
193 | /* |
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194 | * 0 1 2 3 |
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195 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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196 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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197 | * | IPv6 prefix | |
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198 | * | (16 octets) | |
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199 | * | | |
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200 | * | | |
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201 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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202 | * | Prefix Length | Must Be Zero | |
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203 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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204 | */ |
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205 | struct lspping_tlv_targetfec_subtlv_ldp_ipv6_t { |
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206 | uint8_t prefix [16]; |
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207 | uint8_t prefix_len; |
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208 | }; |
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209 | |||
210 | /* |
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211 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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212 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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213 | * | Sender identifier | |
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214 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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215 | * | IPv4 prefix | |
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216 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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217 | * | Prefix Length | Must Be Zero | |
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218 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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219 | */ |
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220 | struct lspping_tlv_targetfec_subtlv_bgp_ipv4_t { |
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221 | uint8_t sender_id [4]; |
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222 | uint8_t prefix [4]; |
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223 | uint8_t prefix_len; |
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224 | }; |
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225 | |||
226 | /* |
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227 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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228 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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229 | * | Sender identifier | |
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230 | * | (16 octets) | |
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231 | * | | |
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232 | * | | |
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233 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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234 | * | IPv6 prefix | |
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235 | * | (16 octets) | |
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236 | * | | |
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237 | * | | |
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238 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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239 | * | Prefix Length | Must Be Zero | |
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240 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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241 | */ |
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242 | struct lspping_tlv_targetfec_subtlv_bgp_ipv6_t { |
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243 | uint8_t sender_id [16]; |
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244 | uint8_t prefix [16]; |
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245 | uint8_t prefix_len; |
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246 | }; |
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247 | |||
248 | /* |
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249 | * 0 1 2 3 |
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250 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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251 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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252 | * | IPv4 tunnel end point address | |
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253 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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254 | * | Must Be Zero | Tunnel ID | |
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255 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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256 | * | Extended Tunnel ID | |
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257 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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258 | * | IPv4 tunnel sender address | |
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259 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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260 | * | Must Be Zero | LSP ID | |
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261 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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262 | */ |
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263 | struct lspping_tlv_targetfec_subtlv_rsvp_ipv4_t { |
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264 | uint8_t tunnel_endpoint [4]; |
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265 | uint8_t res[2]; |
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266 | uint8_t tunnel_id[2]; |
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267 | uint8_t extended_tunnel_id[4]; |
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268 | uint8_t tunnel_sender [4]; |
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269 | uint8_t res2[2]; |
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270 | uint8_t lsp_id [2]; |
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271 | }; |
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272 | |||
273 | /* |
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274 | * 0 1 2 3 |
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275 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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276 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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277 | * | IPv6 tunnel end point address | |
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278 | * | | |
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279 | * | | |
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280 | * | | |
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281 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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282 | * | Must Be Zero | Tunnel ID | |
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283 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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284 | * | Extended Tunnel ID | |
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285 | * | | |
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286 | * | | |
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287 | * | | |
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288 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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289 | * | IPv6 tunnel sender address | |
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290 | * | | |
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291 | * | | |
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292 | * | | |
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293 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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294 | * | Must Be Zero | LSP ID | |
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295 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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296 | */ |
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297 | struct lspping_tlv_targetfec_subtlv_rsvp_ipv6_t { |
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298 | uint8_t tunnel_endpoint [16]; |
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299 | uint8_t res[2]; |
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300 | uint8_t tunnel_id[2]; |
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301 | uint8_t extended_tunnel_id[16]; |
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302 | uint8_t tunnel_sender [16]; |
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303 | uint8_t res2[2]; |
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304 | uint8_t lsp_id [2]; |
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305 | }; |
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306 | |||
307 | /* |
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308 | * 0 1 2 3 |
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309 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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310 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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311 | * | Route Distinguisher | |
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312 | * | (8 octets) | |
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313 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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314 | * | IPv4 prefix | |
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315 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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316 | * | Prefix Length | Must Be Zero | |
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317 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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318 | */ |
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319 | struct lspping_tlv_targetfec_subtlv_l3vpn_ipv4_t { |
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320 | uint8_t rd [8]; |
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321 | uint8_t prefix [4]; |
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322 | uint8_t prefix_len; |
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323 | }; |
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324 | |||
325 | /* |
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326 | * 0 1 2 3 |
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327 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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328 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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329 | * | Route Distinguisher | |
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330 | * | (8 octets) | |
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331 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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332 | * | IPv6 prefix | |
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333 | * | (16 octets) | |
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334 | * | | |
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335 | * | | |
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336 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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337 | * | Prefix Length | Must Be Zero | |
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338 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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339 | */ |
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340 | struct lspping_tlv_targetfec_subtlv_l3vpn_ipv6_t { |
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341 | uint8_t rd [8]; |
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342 | uint8_t prefix [16]; |
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343 | uint8_t prefix_len; |
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344 | }; |
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345 | |||
346 | /* |
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347 | * 0 1 2 3 |
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348 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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349 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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350 | * | Route Distinguisher | |
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351 | * | (8 octets) | |
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352 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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353 | * | Sender's CE ID | Receiver's CE ID | |
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354 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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355 | * | Encapsulation Type | Must Be Zero | |
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356 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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357 | * 0 1 2 3 |
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358 | */ |
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359 | struct lspping_tlv_targetfec_subtlv_l2vpn_endpt_t { |
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360 | uint8_t rd [8]; |
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361 | uint8_t sender_ce_id [2]; |
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362 | uint8_t receiver_ce_id [2]; |
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363 | uint8_t encapsulation[2]; |
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364 | }; |
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365 | |||
366 | /* |
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367 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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368 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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369 | * | Remote PE Address | |
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370 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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371 | * | VC ID | |
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372 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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373 | * | Encapsulation Type | Must Be Zero | |
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374 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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375 | */ |
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376 | struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_old_t { |
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377 | uint8_t remote_pe_address [4]; |
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378 | uint8_t vc_id [4]; |
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379 | uint8_t encapsulation[2]; |
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380 | }; |
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381 | |||
382 | /* |
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383 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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384 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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385 | * | Sender's PE Address | |
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386 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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387 | * | Remote PE Address | |
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388 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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389 | * | VC ID | |
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390 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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391 | * | Encapsulation Type | Must Be Zero | |
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392 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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393 | */ |
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394 | struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_t { |
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395 | uint8_t sender_pe_address [4]; |
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396 | uint8_t remote_pe_address [4]; |
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397 | uint8_t vc_id [4]; |
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398 | uint8_t encapsulation[2]; |
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399 | }; |
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400 | |||
401 | /* |
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402 | * 0 1 2 3 |
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403 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
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404 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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405 | * | MTU | Address Type | Resvd (SBZ) | |
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406 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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407 | * | Downstream IP Address (4 or 16 octets) | |
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408 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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409 | * | Downstream Interface Address (4 or 16 octets) | |
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410 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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411 | * | Hash Key Type | Depth Limit | Multipath Length | |
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412 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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413 | * . . |
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414 | * . (Multipath Information) . |
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415 | * . . |
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416 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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417 | * | Downstream Label | Protocol | |
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418 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
||
419 | * . . |
||
420 | * . . |
||
421 | * . . |
||
422 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
||
423 | * | Downstream Label | Protocol | |
||
424 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
||
425 | */ |
||
426 | struct lspping_tlv_downstream_map_ipv4_t { |
||
427 | uint8_t mtu [2]; |
||
428 | uint8_t address_type; |
||
429 | uint8_t res; |
||
430 | uint8_t downstream_ip[4]; |
||
431 | uint8_t downstream_interface[4]; |
||
432 | }; |
||
433 | |||
434 | struct lspping_tlv_downstream_map_ipv6_t { |
||
435 | uint8_t mtu [2]; |
||
436 | uint8_t address_type; |
||
437 | uint8_t res; |
||
438 | uint8_t downstream_ip[16]; |
||
439 | uint8_t downstream_interface[16]; |
||
440 | }; |
||
441 | |||
442 | struct lspping_tlv_downstream_map_info_t { |
||
443 | uint8_t hash_key_type; |
||
444 | uint8_t depth_limit; |
||
445 | uint8_t multipath_length [2]; |
||
446 | }; |
||
447 | |||
448 | #define LSPPING_AFI_IPV4 1 |
||
449 | #define LSPPING_AFI_UNMB 2 |
||
450 | #define LSPPING_AFI_IPV6 3 |
||
451 | |||
452 | static const struct tok lspping_tlv_downstream_addr_values[] = { |
||
453 | { LSPPING_AFI_IPV4, "IPv4"}, |
||
454 | { LSPPING_AFI_IPV6, "IPv6"}, |
||
455 | { LSPPING_AFI_UNMB, "Unnumbered"}, |
||
456 | { 0, NULL} |
||
457 | }; |
||
458 | |||
459 | void |
||
460 | lspping_print(netdissect_options *ndo, |
||
461 | register const u_char *pptr, register u_int len) |
||
462 | { |
||
463 | const struct lspping_common_header *lspping_com_header; |
||
464 | const struct lspping_tlv_header *lspping_tlv_header; |
||
465 | const struct lspping_tlv_header *lspping_subtlv_header; |
||
466 | const u_char *tptr,*tlv_tptr,*subtlv_tptr; |
||
467 | int tlen,lspping_tlv_len,lspping_tlv_type,tlv_tlen; |
||
468 | int tlv_hexdump,subtlv_hexdump; |
||
469 | int lspping_subtlv_len,lspping_subtlv_type; |
||
470 | struct timeval timestamp; |
||
471 | |||
472 | union { |
||
473 | const struct lspping_tlv_downstream_map_ipv4_t *lspping_tlv_downstream_map_ipv4; |
||
474 | const struct lspping_tlv_downstream_map_ipv6_t *lspping_tlv_downstream_map_ipv6; |
||
475 | const struct lspping_tlv_downstream_map_info_t *lspping_tlv_downstream_map_info; |
||
476 | } tlv_ptr; |
||
477 | |||
478 | union { |
||
479 | const struct lspping_tlv_targetfec_subtlv_ldp_ipv4_t *lspping_tlv_targetfec_subtlv_ldp_ipv4; |
||
480 | const struct lspping_tlv_targetfec_subtlv_ldp_ipv6_t *lspping_tlv_targetfec_subtlv_ldp_ipv6; |
||
481 | const struct lspping_tlv_targetfec_subtlv_rsvp_ipv4_t *lspping_tlv_targetfec_subtlv_rsvp_ipv4; |
||
482 | const struct lspping_tlv_targetfec_subtlv_rsvp_ipv6_t *lspping_tlv_targetfec_subtlv_rsvp_ipv6; |
||
483 | const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv4_t *lspping_tlv_targetfec_subtlv_l3vpn_ipv4; |
||
484 | const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv6_t *lspping_tlv_targetfec_subtlv_l3vpn_ipv6; |
||
485 | const struct lspping_tlv_targetfec_subtlv_l2vpn_endpt_t *lspping_tlv_targetfec_subtlv_l2vpn_endpt; |
||
486 | const struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_old_t *lspping_tlv_targetfec_subtlv_l2vpn_vcid_old; |
||
487 | const struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_t *lspping_tlv_targetfec_subtlv_l2vpn_vcid; |
||
488 | const struct lspping_tlv_targetfec_subtlv_bgp_ipv4_t *lspping_tlv_targetfec_subtlv_bgp_ipv4; |
||
489 | const struct lspping_tlv_targetfec_subtlv_bgp_ipv6_t *lspping_tlv_targetfec_subtlv_bgp_ipv6; |
||
490 | } subtlv_ptr; |
||
491 | |||
492 | tptr=pptr; |
||
493 | lspping_com_header = (const struct lspping_common_header *)pptr; |
||
494 | ND_TCHECK(*lspping_com_header); |
||
495 | |||
496 | /* |
||
497 | * Sanity checking of the header. |
||
498 | */ |
||
499 | if (EXTRACT_16BITS(&lspping_com_header->version[0]) != LSPPING_VERSION) { |
||
500 | ND_PRINT((ndo, "LSP-PING version %u packet not supported", |
||
501 | EXTRACT_16BITS(&lspping_com_header->version[0]))); |
||
502 | return; |
||
503 | } |
||
504 | |||
505 | /* in non-verbose mode just lets print the basic Message Type*/ |
||
506 | if (ndo->ndo_vflag < 1) { |
||
507 | ND_PRINT((ndo, "LSP-PINGv%u, %s, seq %u, length: %u", |
||
508 | EXTRACT_16BITS(&lspping_com_header->version[0]), |
||
509 | tok2str(lspping_msg_type_values, "unknown (%u)",lspping_com_header->msg_type), |
||
510 | EXTRACT_32BITS(lspping_com_header->seq_number), |
||
511 | len)); |
||
512 | return; |
||
513 | } |
||
514 | |||
515 | /* ok they seem to want to know everything - lets fully decode it */ |
||
516 | |||
517 | tlen=len; |
||
518 | |||
519 | ND_PRINT((ndo, "\n\tLSP-PINGv%u, msg-type: %s (%u), length: %u\n\t reply-mode: %s (%u)", |
||
520 | EXTRACT_16BITS(&lspping_com_header->version[0]), |
||
521 | tok2str(lspping_msg_type_values, "unknown",lspping_com_header->msg_type), |
||
522 | lspping_com_header->msg_type, |
||
523 | len, |
||
524 | tok2str(lspping_reply_mode_values, "unknown",lspping_com_header->reply_mode), |
||
525 | lspping_com_header->reply_mode)); |
||
526 | |||
527 | /* |
||
528 | * the following return codes require that the subcode is attached |
||
529 | * at the end of the translated token output |
||
530 | */ |
||
531 | if (lspping_com_header->return_code == 3 || |
||
532 | lspping_com_header->return_code == 4 || |
||
533 | lspping_com_header->return_code == 8 || |
||
534 | lspping_com_header->return_code == 10 || |
||
535 | lspping_com_header->return_code == 11 || |
||
536 | lspping_com_header->return_code == 12 ) |
||
537 | ND_PRINT((ndo, "\n\t Return Code: %s %u (%u)\n\t Return Subcode: (%u)", |
||
538 | tok2str(lspping_return_code_values, "unknown",lspping_com_header->return_code), |
||
539 | lspping_com_header->return_subcode, |
||
540 | lspping_com_header->return_code, |
||
541 | lspping_com_header->return_subcode)); |
||
542 | else |
||
543 | ND_PRINT((ndo, "\n\t Return Code: %s (%u)\n\t Return Subcode: (%u)", |
||
544 | tok2str(lspping_return_code_values, "unknown",lspping_com_header->return_code), |
||
545 | lspping_com_header->return_code, |
||
546 | lspping_com_header->return_subcode)); |
||
547 | |||
548 | ND_PRINT((ndo, "\n\t Sender Handle: 0x%08x, Sequence: %u", |
||
549 | EXTRACT_32BITS(lspping_com_header->sender_handle), |
||
550 | EXTRACT_32BITS(lspping_com_header->seq_number))); |
||
551 | |||
552 | timestamp.tv_sec=EXTRACT_32BITS(lspping_com_header->ts_sent_sec); |
||
553 | timestamp.tv_usec=EXTRACT_32BITS(lspping_com_header->ts_sent_usec); |
||
554 | ND_PRINT((ndo, "\n\t Sender Timestamp: ")); |
||
555 | ts_print(ndo, ×tamp); |
||
556 | |||
557 | timestamp.tv_sec=EXTRACT_32BITS(lspping_com_header->ts_rcvd_sec); |
||
558 | timestamp.tv_usec=EXTRACT_32BITS(lspping_com_header->ts_rcvd_usec); |
||
559 | ND_PRINT((ndo, "Receiver Timestamp: ")); |
||
560 | if ((timestamp.tv_sec != 0) && (timestamp.tv_usec != 0)) |
||
561 | ts_print(ndo, ×tamp); |
||
562 | else |
||
563 | ND_PRINT((ndo, "no timestamp")); |
||
564 | |||
565 | tptr+=sizeof(const struct lspping_common_header); |
||
566 | tlen-=sizeof(const struct lspping_common_header); |
||
567 | |||
568 | while(tlen>(int)sizeof(struct lspping_tlv_header)) { |
||
569 | |||
570 | /* did we capture enough for fully decoding the tlv header ? */ |
||
571 | ND_TCHECK2(*tptr, sizeof(struct lspping_tlv_header)); |
||
572 | |||
573 | lspping_tlv_header = (const struct lspping_tlv_header *)tptr; |
||
574 | lspping_tlv_type=EXTRACT_16BITS(lspping_tlv_header->type); |
||
575 | lspping_tlv_len=EXTRACT_16BITS(lspping_tlv_header->length); |
||
576 | |||
577 | /* some little sanity checking */ |
||
578 | if (lspping_tlv_type == 0 || lspping_tlv_len == 0) |
||
579 | return; |
||
580 | |||
581 | if(lspping_tlv_len < 4) { |
||
582 | ND_PRINT((ndo, "\n\t ERROR: TLV %u bogus size %u",lspping_tlv_type,lspping_tlv_len)); |
||
583 | return; |
||
584 | } |
||
585 | |||
586 | ND_PRINT((ndo, "\n\t %s TLV (%u), length: %u", |
||
587 | tok2str(lspping_tlv_values, |
||
588 | "Unknown", |
||
589 | lspping_tlv_type), |
||
590 | lspping_tlv_type, |
||
591 | lspping_tlv_len)); |
||
592 | |||
593 | tlv_tptr=tptr+sizeof(struct lspping_tlv_header); |
||
594 | tlv_tlen=lspping_tlv_len; /* header not included -> no adjustment */ |
||
595 | |||
596 | /* did we capture enough for fully decoding the tlv ? */ |
||
597 | ND_TCHECK2(*tptr, lspping_tlv_len); |
||
598 | tlv_hexdump=FALSE; |
||
599 | |||
600 | switch(lspping_tlv_type) { |
||
601 | case LSPPING_TLV_TARGET_FEC_STACK: |
||
602 | while(tlv_tlen>(int)sizeof(struct lspping_tlv_header)) { |
||
603 | |||
604 | /* did we capture enough for fully decoding the subtlv header ? */ |
||
605 | ND_TCHECK2(*tptr, sizeof(struct lspping_tlv_header)); |
||
606 | subtlv_hexdump=FALSE; |
||
607 | |||
608 | lspping_subtlv_header = (const struct lspping_tlv_header *)tlv_tptr; |
||
609 | lspping_subtlv_type=EXTRACT_16BITS(lspping_subtlv_header->type); |
||
610 | lspping_subtlv_len=EXTRACT_16BITS(lspping_subtlv_header->length); |
||
611 | subtlv_tptr=tlv_tptr+sizeof(struct lspping_tlv_header); |
||
612 | |||
613 | if (lspping_subtlv_len == 0) |
||
614 | break; |
||
615 | |||
616 | ND_PRINT((ndo, "\n\t %s subTLV (%u), length: %u", |
||
617 | tok2str(lspping_tlvtargetfec_subtlv_values, |
||
618 | "Unknown", |
||
619 | lspping_subtlv_type), |
||
620 | lspping_subtlv_type, |
||
621 | lspping_subtlv_len)); |
||
622 | |||
623 | switch(lspping_subtlv_type) { |
||
624 | |||
625 | case LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV4: |
||
626 | subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4 = \ |
||
627 | (const struct lspping_tlv_targetfec_subtlv_ldp_ipv4_t *)subtlv_tptr; |
||
628 | ND_PRINT((ndo, "\n\t %s/%u", |
||
629 | ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4->prefix), |
||
630 | subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4->prefix_len)); |
||
631 | break; |
||
632 | |||
633 | #ifdef INET6 |
||
634 | case LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV6: |
||
635 | subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6 = \ |
||
636 | (const struct lspping_tlv_targetfec_subtlv_ldp_ipv6_t *)subtlv_tptr; |
||
637 | ND_PRINT((ndo, "\n\t %s/%u", |
||
638 | ip6addr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6->prefix), |
||
639 | subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6->prefix_len)); |
||
640 | break; |
||
641 | #endif |
||
642 | |||
643 | case LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV4: |
||
644 | subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4 = \ |
||
645 | (const struct lspping_tlv_targetfec_subtlv_bgp_ipv4_t *)subtlv_tptr; |
||
646 | ND_PRINT((ndo, "\n\t %s/%u, sender-id %s", |
||
647 | ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->prefix), |
||
648 | subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->prefix_len, |
||
649 | ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->sender_id))); |
||
650 | break; |
||
651 | |||
652 | #ifdef INET6 |
||
653 | case LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV6: |
||
654 | subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6 = \ |
||
655 | (const struct lspping_tlv_targetfec_subtlv_bgp_ipv6_t *)subtlv_tptr; |
||
656 | ND_PRINT((ndo, "\n\t %s/%u, sender-id %s", |
||
657 | ip6addr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->prefix), |
||
658 | subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->prefix_len, |
||
659 | ip6addr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->sender_id))); |
||
660 | break; |
||
661 | #endif |
||
662 | |||
663 | case LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV4: |
||
664 | subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4 = \ |
||
665 | (const struct lspping_tlv_targetfec_subtlv_rsvp_ipv4_t *)subtlv_tptr; |
||
666 | ND_PRINT((ndo, "\n\t tunnel end-point %s, tunnel sender %s, lsp-id 0x%04x" \ |
||
667 | "\n\t tunnel-id 0x%04x, extended tunnel-id %s", |
||
668 | ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_endpoint), |
||
669 | ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_sender), |
||
670 | EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->lsp_id), |
||
671 | EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_id), |
||
672 | ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->extended_tunnel_id))); |
||
673 | break; |
||
674 | |||
675 | #ifdef INET6 |
||
676 | case LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV6: |
||
677 | subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6 = \ |
||
678 | (const struct lspping_tlv_targetfec_subtlv_rsvp_ipv6_t *)subtlv_tptr; |
||
679 | ND_PRINT((ndo, "\n\t tunnel end-point %s, tunnel sender %s, lsp-id 0x%04x" \ |
||
680 | "\n\t tunnel-id 0x%04x, extended tunnel-id %s", |
||
681 | ip6addr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_endpoint), |
||
682 | ip6addr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_sender), |
||
683 | EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->lsp_id), |
||
684 | EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_id), |
||
685 | ip6addr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->extended_tunnel_id))); |
||
686 | break; |
||
687 | #endif |
||
688 | |||
689 | case LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV4: |
||
690 | subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4 = \ |
||
691 | (const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv4_t *)subtlv_tptr; |
||
692 | ND_PRINT((ndo, "\n\t RD: %s, %s/%u", |
||
693 | bgp_vpn_rd_print(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->rd), |
||
694 | ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->prefix), |
||
695 | subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->prefix_len)); |
||
696 | break; |
||
697 | |||
698 | #ifdef INET6 |
||
699 | case LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV6: |
||
700 | subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6 = \ |
||
701 | (const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv6_t *)subtlv_tptr; |
||
702 | ND_PRINT((ndo, "\n\t RD: %s, %s/%u", |
||
703 | bgp_vpn_rd_print(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->rd), |
||
704 | ip6addr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->prefix), |
||
705 | subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->prefix_len)); |
||
706 | break; |
||
707 | #endif |
||
708 | |||
709 | case LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_ENDPT: |
||
710 | subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt = \ |
||
711 | (const struct lspping_tlv_targetfec_subtlv_l2vpn_endpt_t *)subtlv_tptr; |
||
712 | ND_PRINT((ndo, "\n\t RD: %s, Sender CE-ID: %u, Receiver CE-ID: %u" \ |
||
713 | "\n\t Encapsulation Type: %s (%u)", |
||
714 | bgp_vpn_rd_print(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->rd), |
||
715 | EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->sender_ce_id), |
||
716 | EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->receiver_ce_id), |
||
717 | tok2str(l2vpn_encaps_values, |
||
718 | "unknown", |
||
719 | EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->encapsulation)), |
||
720 | EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->encapsulation))); |
||
721 | |||
722 | break; |
||
723 | |||
724 | /* the old L2VPN VCID subTLV does not have support for the sender field */ |
||
725 | case LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID_OLD: |
||
726 | subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old = \ |
||
727 | (const struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_old_t *)subtlv_tptr; |
||
728 | ND_PRINT((ndo, "\n\t Remote PE: %s" \ |
||
729 | "\n\t VC-ID: 0x%08x, Encapsulation Type: %s (%u)", |
||
730 | ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->remote_pe_address), |
||
731 | EXTRACT_32BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->vc_id), |
||
732 | tok2str(l2vpn_encaps_values, |
||
733 | "unknown", |
||
734 | EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->encapsulation)), |
||
735 | EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->encapsulation))); |
||
736 | |||
737 | break; |
||
738 | |||
739 | case LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID: |
||
740 | subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid = \ |
||
741 | (const struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_t *)subtlv_tptr; |
||
742 | ND_PRINT((ndo, "\n\t Sender PE: %s, Remote PE: %s" \ |
||
743 | "\n\t VC-ID: 0x%08x, Encapsulation Type: %s (%u)", |
||
744 | ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->sender_pe_address), |
||
745 | ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->remote_pe_address), |
||
746 | EXTRACT_32BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->vc_id), |
||
747 | tok2str(l2vpn_encaps_values, |
||
748 | "unknown", |
||
749 | EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->encapsulation)), |
||
750 | EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->encapsulation))); |
||
751 | |||
752 | break; |
||
753 | |||
754 | default: |
||
755 | subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */ |
||
756 | break; |
||
757 | } |
||
758 | /* do we want to see an additionally subtlv hexdump ? */ |
||
759 | if (ndo->ndo_vflag > 1 || subtlv_hexdump==TRUE) |
||
760 | print_unknown_data(ndo, tlv_tptr+sizeof(struct lspping_tlv_header), \ |
||
761 | "\n\t ", |
||
762 | lspping_subtlv_len); |
||
763 | |||
764 | tlv_tptr+=lspping_subtlv_len; |
||
765 | tlv_tlen-=lspping_subtlv_len+sizeof(struct lspping_tlv_header); |
||
766 | } |
||
767 | break; |
||
768 | |||
769 | case LSPPING_TLV_DOWNSTREAM_MAPPING: |
||
770 | /* that strange thing with the downstream map TLV is that until now |
||
771 | * we do not know if its IPv4 or IPv6 , after we found the address-type |
||
772 | * lets recast the tlv_tptr and move on */ |
||
773 | |||
774 | tlv_ptr.lspping_tlv_downstream_map_ipv4= \ |
||
775 | (const struct lspping_tlv_downstream_map_ipv4_t *)tlv_tptr; |
||
776 | tlv_ptr.lspping_tlv_downstream_map_ipv6= \ |
||
777 | (const struct lspping_tlv_downstream_map_ipv6_t *)tlv_tptr; |
||
778 | ND_PRINT((ndo, "\n\t MTU: %u, Address-Type: %s (%u)", |
||
779 | EXTRACT_16BITS(tlv_ptr.lspping_tlv_downstream_map_ipv4->mtu), |
||
780 | tok2str(lspping_tlv_downstream_addr_values, |
||
781 | "unknown", |
||
782 | tlv_ptr.lspping_tlv_downstream_map_ipv4->address_type), |
||
783 | tlv_ptr.lspping_tlv_downstream_map_ipv4->address_type)); |
||
784 | |||
785 | switch(tlv_ptr.lspping_tlv_downstream_map_ipv4->address_type) { |
||
786 | |||
787 | case LSPPING_AFI_IPV4: |
||
788 | ND_PRINT((ndo, "\n\t Downstream IP: %s" \ |
||
789 | "\n\t Downstream Interface IP: %s", |
||
790 | ipaddr_string(ndo, tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_ip), |
||
791 | ipaddr_string(ndo, tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_interface))); |
||
792 | tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv4_t); |
||
793 | tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv4_t); |
||
794 | break; |
||
795 | #ifdef INET6 |
||
796 | case LSPPING_AFI_IPV6: |
||
797 | ND_PRINT((ndo, "\n\t Downstream IP: %s" \ |
||
798 | "\n\t Downstream Interface IP: %s", |
||
799 | ip6addr_string(ndo, tlv_ptr.lspping_tlv_downstream_map_ipv6->downstream_ip), |
||
800 | ip6addr_string(ndo, tlv_ptr.lspping_tlv_downstream_map_ipv6->downstream_interface))); |
||
801 | tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv6_t); |
||
802 | tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv6_t); |
||
803 | break; |
||
804 | #endif |
||
805 | case LSPPING_AFI_UNMB: |
||
806 | ND_PRINT((ndo, "\n\t Downstream IP: %s" \ |
||
807 | "\n\t Downstream Interface Index: 0x%08x", |
||
808 | ipaddr_string(ndo, tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_ip), |
||
809 | EXTRACT_32BITS(tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_interface))); |
||
810 | tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv4_t); |
||
811 | tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv4_t); |
||
812 | break; |
||
813 | |||
814 | default: |
||
815 | /* should not happen ! - no error message - tok2str() has barked already */ |
||
816 | break; |
||
817 | } |
||
818 | |||
819 | tlv_ptr.lspping_tlv_downstream_map_info= \ |
||
820 | (const struct lspping_tlv_downstream_map_info_t *)tlv_tptr; |
||
821 | |||
822 | /* FIXME add hash-key type, depth limit, multipath processing */ |
||
823 | |||
824 | |||
825 | tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_info_t); |
||
826 | tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_info_t); |
||
827 | |||
828 | /* FIXME print downstream labels */ |
||
829 | |||
830 | |||
831 | tlv_hexdump=TRUE; /* dump the TLV until code complete */ |
||
832 | |||
833 | break; |
||
834 | |||
835 | case LSPPING_TLV_BFD_DISCRIMINATOR: |
||
836 | tptr += sizeof(struct lspping_tlv_header); |
||
837 | ND_TCHECK2(*tptr, LSPPING_TLV_BFD_DISCRIMINATOR_LEN); |
||
838 | ND_PRINT((ndo, "\n\t BFD Discriminator 0x%08x", EXTRACT_32BITS(tptr))); |
||
839 | break; |
||
840 | |||
841 | case LSPPING_TLV_VENDOR_ENTERPRISE: |
||
842 | { |
||
843 | uint32_t vendor_id; |
||
844 | |||
845 | ND_TCHECK2(*tptr, LSPPING_TLV_VENDOR_ENTERPRISE_LEN); |
||
846 | vendor_id = EXTRACT_32BITS(tlv_tptr); |
||
847 | ND_PRINT((ndo, "\n\t Vendor: %s (0x%04x)", |
||
848 | tok2str(smi_values, "Unknown", vendor_id), |
||
849 | vendor_id)); |
||
850 | } |
||
851 | break; |
||
852 | |||
853 | /* |
||
854 | * FIXME those are the defined TLVs that lack a decoder |
||
855 | * you are welcome to contribute code ;-) |
||
856 | */ |
||
857 | case LSPPING_TLV_PAD: |
||
858 | case LSPPING_TLV_ERROR_CODE: |
||
859 | case LSPPING_TLV_VENDOR_PRIVATE: |
||
860 | |||
861 | default: |
||
862 | if (ndo->ndo_vflag <= 1) |
||
863 | print_unknown_data(ndo, tlv_tptr, "\n\t ", tlv_tlen); |
||
864 | break; |
||
865 | } |
||
866 | /* do we want to see an additionally tlv hexdump ? */ |
||
867 | if (ndo->ndo_vflag > 1 || tlv_hexdump==TRUE) |
||
868 | print_unknown_data(ndo, tptr+sizeof(struct lspping_tlv_header), "\n\t ", |
||
869 | lspping_tlv_len); |
||
870 | |||
871 | |||
872 | /* All TLVs are aligned to four octet boundary */ |
||
873 | if (lspping_tlv_len % 4) { |
||
874 | lspping_tlv_len += (4 - lspping_tlv_len % 4); |
||
875 | } |
||
876 | |||
877 | tptr+=lspping_tlv_len+sizeof(struct lspping_tlv_header); |
||
878 | tlen-=lspping_tlv_len+sizeof(struct lspping_tlv_header); |
||
879 | } |
||
880 | return; |
||
881 | trunc: |
||
882 | ND_PRINT((ndo, "\n\t\t packet exceeded snapshot")); |
||
883 | } |
||
884 | /* |
||
885 | * Local Variables: |
||
886 | * c-style: whitesmith |
||
887 | * c-basic-offset: 8 |
||
888 | * End: |
||
889 | */ |