epan/dissectors/packet-infiniband.h

   1 /* packet-infiniband.h
   2  * Routines for Infiniband/ERF Dissection
   3  * Copyright 2008 Endace Technology Limited
   4  *
   5  * Wireshark - Network traffic analyzer
   6  * By Gerald Combs <gerald@wireshark.org>
   7  * Copyright 1998 Gerald Combs
   8  *
   9  * Modified 2010 by Mellanox Technologies Ltd.
  10  *
  11  * SPDX-License-Identifier: GPL-2.0-or-later
  12  */
  13 #ifndef __PACKET_INFINIBAND_H_
  14 #define __PACKET_INFINIBAND_H_
  15
  16 #define MAD_DATA_SIZE     232     /* size of data field a MAD payload carries */
  17 #define GID_SIZE          16      /* size of GID = 128bit (same as IPv6) */
  18
  19 /* infiniband-specific information for conversations */
  20 typedef struct {
  21     uint64_t service_id;         /* service id specified when the (RC) channel was set-up */
  22     bool client_to_server;  /* message direction */
  23     uint32_t src_qp;             /* originator src qp as this is not present in RC packets */
  24
  25     /* store mad data so that it can be parsed for private data by ULP */
  26     uint8_t mad_private_data[MAD_DATA_SIZE];
  27 } conversation_infiniband_data;
  28
  29 /* OpCodeValues
  30 * Code Bits [7-5] Connection Type
  31 *           [4-0] Message Type
  32
  33 * Reliable Connection (RC)
  34 * [7-5] = 000 */
  35 #define RC_SEND_FIRST                    0 /*0b00000000 */
  36 #define RC_SEND_MIDDLE                   1 /*0b00000001 */
  37 #define RC_SEND_LAST                     2 /*0b00000010 */
  38 #define RC_SEND_LAST_IMM                 3 /*0b00000011 */
  39 #define RC_SEND_ONLY                     4 /*0b00000100 */
  40 #define RC_SEND_ONLY_IMM                 5 /*0b00000101 */
  41 #define RC_RDMA_WRITE_FIRST              6 /*0b00000110 */
  42 #define RC_RDMA_WRITE_MIDDLE             7 /*0b00000111 */
  43 #define RC_RDMA_WRITE_LAST               8 /*0b00001000 */
  44 #define RC_RDMA_WRITE_LAST_IMM           9 /*0b00001001 */
  45 #define RC_RDMA_WRITE_ONLY              10 /*0b00001010 */
  46 #define RC_RDMA_WRITE_ONLY_IMM          11 /*0b00001011 */
  47 #define RC_RDMA_READ_REQUEST            12 /*0b00001100 */
  48 #define RC_RDMA_READ_RESPONSE_FIRST     13 /*0b00001101 */
  49 #define RC_RDMA_READ_RESPONSE_MIDDLE    14 /*0b00001110 */
  50 #define RC_RDMA_READ_RESPONSE_LAST      15 /*0b00001111 */
  51 #define RC_RDMA_READ_RESPONSE_ONLY      16 /*0b00010000 */
  52 #define RC_ACKNOWLEDGE                  17 /*0b00010001 */
  53 #define RC_ATOMIC_ACKNOWLEDGE           18 /*0b00010010 */
  54 #define RC_CMP_SWAP                     19 /*0b00010011 */
  55 #define RC_FETCH_ADD                    20 /*0b00010100 */
  56 #define RC_SEND_LAST_INVAL              22 /*0b00010110 */
  57 #define RC_SEND_ONLY_INVAL              23 /*0b00010111 */
  58 #define RC_FLUSH                        28 /*0b00011100 */
  59 #define RC_ATOMIC_WRITE                 29 /*0b00011101 */
  60
  61 /* Reliable Datagram (RD)
  62 * [7-5] = 010 */
  63 #define RD_SEND_FIRST                   64 /*0b01000000 */
  64 #define RD_SEND_MIDDLE                  65 /*0b01000001 */
  65 #define RD_SEND_LAST                    66 /*0b01000010 */
  66 #define RD_SEND_LAST_IMM                67 /*0b01000011 */
  67 #define RD_SEND_ONLY                    68 /*0b01000100 */
  68 #define RD_SEND_ONLY_IMM                69 /*0b01000101 */
  69 #define RD_RDMA_WRITE_FIRST             70 /*0b01000110 */
  70 #define RD_RDMA_WRITE_MIDDLE            71 /*0b01000111 */
  71 #define RD_RDMA_WRITE_LAST              72 /*0b01001000 */
  72 #define RD_RDMA_WRITE_LAST_IMM          73 /*0b01001001 */
  73 #define RD_RDMA_WRITE_ONLY              74 /*0b01001010 */
  74 #define RD_RDMA_WRITE_ONLY_IMM          75 /*0b01001011 */
  75 #define RD_RDMA_READ_REQUEST            76 /*0b01001100 */
  76 #define RD_RDMA_READ_RESPONSE_FIRST     77 /*0b01001101 */
  77 #define RD_RDMA_READ_RESPONSE_MIDDLE    78 /*0b01001110 */
  78 #define RD_RDMA_READ_RESPONSE_LAST      79 /*0b01001111 */
  79 #define RD_RDMA_READ_RESPONSE_ONLY      80 /*0b01010000 */
  80 #define RD_ACKNOWLEDGE                  81 /*0b01010001 */
  81 #define RD_ATOMIC_ACKNOWLEDGE           82 /*0b01010010 */
  82 #define RD_CMP_SWAP                     83 /*0b01010011 */
  83 #define RD_FETCH_ADD                    84 /*0b01010100 */
  84 #define RD_RESYNC                       85 /*0b01010101 */
  85 #define RD_FLUSH                        92 /*0b01011100 */
  86 #define RD_ATOMIC_WRITE                 93 /*0b01011101 */
  87
  88 /* Unreliable Datagram (UD)
  89 * [7-5] = 011 */
  90 #define UD_SEND_ONLY                   100 /*0b01100100 */
  91 #define UD_SEND_ONLY_IMM               101 /*0b01100101 */
  92
  93 /* Unreliable Connection (UC)
  94 * [7-5] = 001 */
  95 #define UC_SEND_FIRST                   32 /*0b00100000 */
  96 #define UC_SEND_MIDDLE                  33 /*0b00100001 */
  97 #define UC_SEND_LAST                    34 /*0b00100010 */
  98 #define UC_SEND_LAST_IMM                35 /*0b00100011 */
  99 #define UC_SEND_ONLY                    36 /*0b00100100 */
 100 #define UC_SEND_ONLY_IMM                37 /*0b00100101 */
 101 #define UC_RDMA_WRITE_FIRST             38 /*0b00100110 */
 102 #define UC_RDMA_WRITE_MIDDLE            39 /*0b00100111 */
 103 #define UC_RDMA_WRITE_LAST              40 /*0b00101000 */
 104 #define UC_RDMA_WRITE_LAST_IMM          41 /*0b00101001 */
 105 #define UC_RDMA_WRITE_ONLY              42 /*0b00101010 */
 106 #define UC_RDMA_WRITE_ONLY_IMM          43 /*0b00101011 */
 107
 108 /* ComMgt class Attributes */
 109 #define ATTR_CM_REQ             0x0010
 110 #define ATTR_CM_REJ             0x0012
 111 #define ATTR_CM_REP             0x0013
 112 #define ATTR_CM_RTU             0x0014
 113 #define ATTR_CM_DREQ            0x0015
 114 #define ATTR_CM_DRSP            0x0016
 115
 116 /*
 117  * Private data passed from the infiniband dissector to payload subdissectors.
 118  */
 119 struct infinibandinfo {
 120     proto_tree* payload_tree;
 121     uint8_t opCode;              /* OpCode from BTH header. */
 122     uint8_t pad_count;           /* PadCount from BTH header. */
 123     uint16_t cm_attribute_id;    /* attribute id for CM messages */
 124     uint32_t reth_remote_key;    /* Remote Key from RETH header */
 125     uint64_t reth_remote_address;/* Remote address from RETH header */
 126     uint32_t reth_dma_length;    /* DMA Length from RETH header */
 127     uint32_t packet_seq_num;     /* Packet sequence number */
 128     bool dctConnect;        /* indicator for DCT connect/disconnect */
 129 };
 130
 131 #endif
 132
 133 /*
 134  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
 135  *
 136  * Local variables:
 137  * c-basic-offset: 4
 138  * tab-width: 8
 139  * indent-tabs-mode: nil
 140  * End:
 141  *
 142  * vi: set shiftwidth=4 tabstop=8 expandtab:
 143  * :indentSize=4:tabSize=8:noTabs=true:
 144  */