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/* packet-iwarp-ddp-rdmap.c
* Routines for Direct Data Placement (DDP) and
* Remote Direct Memory Access Protocol (RDMAP) dissection
* According to IETF RFC 5041 and RFC 5040
* Copyright 2008, Yves Geissbuehler <yves.geissbuehler@gmx.net>
* Copyright 2008, Philip Frey <frey.philip@gmail.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __PACKET_IWARP_DDP_RDMAP_H_
#define __PACKET_IWARP_DDP_RDMAP_H_
/* RDMA messages */
#define RDMA_WRITE 0x00
#define RDMA_READ_REQUEST 0x01
#define RDMA_READ_RESPONSE 0x02
#define RDMA_SEND 0x03
#define RDMA_SEND_INVALIDATE 0x04
#define RDMA_SEND_SE 0x05
#define RDMA_SEND_SE_INVALIDATE 0x06
#define RDMA_TERMINATE 0x07
/* Read request info */
typedef struct rdmap_request {
uint32_t sink_stag;
uint64_t sink_toffset;
uint32_t source_stag;
uint64_t source_toffset;
uint32_t message_size;
} rdmap_request_t;
typedef struct rdmapinfo {
uint8_t opcode;
bool last_flag;
bool is_tagged;
union {
/* Tagged Buffer Model */
struct {
uint32_t steering_tag;
uint64_t tagged_offset;
};
/* Untagged Buffer Model */
struct {
uint32_t queue_number;
uint32_t message_seq_num;
uint32_t message_offset;
};
};
rdmap_request_t *read_request;
} rdmap_info_t;
#endif /* __PACKET_IWARP_DDP_RDMAP_H_ */
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