epan/dissectors/packet-iwarp-ddp-rdmap.h

   1 /* packet-iwarp-ddp-rdmap.c
   2  * Routines for Direct Data Placement (DDP) and
   3  * Remote Direct Memory Access Protocol (RDMAP) dissection
   4  * According to IETF RFC 5041 and RFC 5040
   5  * Copyright 2008, Yves Geissbuehler <yves.geissbuehler@gmx.net>
   6  * Copyright 2008, Philip Frey <frey.philip@gmail.com>
   7  *
   8  * Wireshark - Network traffic analyzer
   9  * By Gerald Combs <gerald@wireshark.org>
  10  * Copyright 1998 Gerald Combs
  11  *
  12  * SPDX-License-Identifier: GPL-2.0-or-later
  13  */
  14 #ifndef __PACKET_IWARP_DDP_RDMAP_H_
  15 #define __PACKET_IWARP_DDP_RDMAP_H_
  16
  17 /* RDMA messages */
  18 #define RDMA_WRITE 0x00
  19 #define RDMA_READ_REQUEST 0x01
  20 #define RDMA_READ_RESPONSE 0x02
  21 #define RDMA_SEND 0x03
  22 #define RDMA_SEND_INVALIDATE 0x04
  23 #define RDMA_SEND_SE 0x05
  24 #define RDMA_SEND_SE_INVALIDATE 0x06
  25 #define RDMA_TERMINATE 0x07
  26
  27 /* Read request info */
  28 typedef struct rdmap_request {
  29         uint32_t sink_stag;
  30         uint64_t sink_toffset;
  31         uint32_t source_stag;
  32         uint64_t source_toffset;
  33         uint32_t message_size;
  34 } rdmap_request_t;
  35
  36 typedef struct rdmapinfo {
  37         uint8_t  opcode;
  38         bool last_flag;
  39         bool is_tagged;
  40         union {
  41                 /* Tagged Buffer Model */
  42                 struct {
  43                         uint32_t steering_tag;
  44                         uint64_t tagged_offset;
  45                 };
  46                 /* Untagged Buffer Model */
  47                 struct {
  48                         uint32_t queue_number;
  49                         uint32_t message_seq_num;
  50                         uint32_t message_offset;
  51                 };
  52         };
  53         rdmap_request_t *read_request;
  54 } rdmap_info_t;
  55
  56 #endif /* __PACKET_IWARP_DDP_RDMAP_H_ */