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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_IB_MGT_IBMF_IBMF_RMPP_H
#define _SYS_IB_MGT_IBMF_IBMF_RMPP_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* This file contains the IBMF RMPP implementation dependent structures
* and defines.
*/
#ifdef __cplusplus
extern "C" {
#endif
/* The RMPP context */
typedef struct _ibmf_rmpp_ctx_t {
uint32_t rmpp_wf; /* first segment in window (send) */
uint32_t rmpp_wl; /* last segment in window (send) */
uint32_t rmpp_ns; /* next segment in window (send) */
uint32_t rmpp_es; /* expected segment num (receive) */
uint32_t rmpp_is_ds; /* direction change indicator */
uint32_t rmpp_nwl; /* new window last */
uint32_t rmpp_pyld_len; /* payload length */
uint32_t rmpp_state; /* rmpp protocol state */
uint32_t rmpp_retry_cnt; /* retry count */
uint32_t rmpp_pkt_data_sz; /* data size in packet */
uint32_t rmpp_last_pkt_sz; /* data size in last packet */
uint32_t rmpp_num_pkts; /* number of packets needed */
size_t rmpp_data_offset; /* offset in data buffer */
uint32_t rmpp_word3; /* 3rd word of RMPP hdr */
uint32_t rmpp_word4; /* 4th word of RMPP hdr */
uint8_t rmpp_type; /* type of RMPP packet */
uint8_t rmpp_respt; /* resp time for RMPP packet */
uint8_t rmpp_flags; /* rmpp flags */
uint8_t rmpp_status; /* status for RMPP packet */
} ibmf_rmpp_ctx_t;
/* RMPP state definitions */
#define IBMF_RMPP_STATE_UNDEFINED 0
#define IBMF_RMPP_STATE_SENDER_ACTIVE 1
#define IBMF_RMPP_STATE_SENDER_SWITCH 2
#define IBMF_RMPP_STATE_RECEVR_ACTIVE 3
#define IBMF_RMPP_STATE_RECEVR_TERMINATE 4
#define IBMF_RMPP_STATE_ABORT 5
#define IBMF_RMPP_STATE_DONE 6
/* RMPP context flags definition */
#define IBMF_CTX_RMPP_FLAGS_DYN_PYLD 8
#define IBMF_RMPP_DEFAULT_RRESPT 0x1F
#define IBMF_RMPP_TERM_RRESPT 0xE
#define IBMF_RMPP_METHOD_RESP_BIT 0x80
/* RMPP header (IB Architecture Specification 1.1, Section 13.6.2) */
#if defined(_BIT_FIELDS_HTOL)
typedef struct _ibmf_rmpp_hdr_t {
uint8_t rmpp_version; /* RMPP version = 1 */
uint8_t rmpp_type; /* RMPP packet type */
uint8_t rmpp_resp_time :5; /* response time val */
uint8_t rmpp_flags :3; /* RMPP flags */
uint8_t rmpp_status; /* RMPP status */
uint32_t rmpp_segnum; /* packet ID */
/* Payload len for data or, NewWindowLast for ack packets */
uint32_t rmpp_pyldlen_nwl;
} ibmf_rmpp_hdr_t;
#else
typedef struct _ibmf_rmpp_hdr_t {
uint8_t rmpp_version; /* RMPP version = 1 */
uint8_t rmpp_type; /* RMPP packet type */
uint8_t rmpp_flags :3; /* RMPP flags */
uint8_t rmpp_resp_time :5; /* response time val */
uint8_t rmpp_status; /* RMPP status */
uint32_t rmpp_segnum; /* packet ID */
/* Payload len for data or, NewWindowLast for ack packets */
uint32_t rmpp_pyldlen_nwl;
} ibmf_rmpp_hdr_t;
#endif
_NOTE(READ_ONLY_DATA(ibmf_rmpp_hdr_t))
/* RMPP header type definitions */
#define IBMF_RMPP_TYPE_NONE 0
#define IBMF_RMPP_TYPE_DATA 1
#define IBMF_RMPP_TYPE_ACK 2
#define IBMF_RMPP_TYPE_STOP 3
#define IBMF_RMPP_TYPE_ABORT 4
/* RMPP header flags definitions */
#define IBMF_RMPP_FLAGS_ACTIVE 0x1
#define IBMF_RMPP_FLAGS_FIRST_PKT 0x2
#define IBMF_RMPP_FLAGS_LAST_PKT 0x4
/* RMPP_header status definitions */
#define IBMF_RMPP_STATUS_NORMAL 0 /* Normal */
#define IBMF_RMPP_STATUS_RESX 1 /* Resources exhausted */
#define IBMF_RMPP_STATUS_T2L 118 /* Total time too long */
/* Inconsistent last and payload length */
#define IBMF_RMPP_STATUS_ILPL 119
/* Inconsistent first and segment number */
#define IBMF_RMPP_STATUS_IFSN 120
#define IBMF_RMPP_STATUS_BADT 121 /* Bad RMPP type */
#define IBMF_RMPP_STATUS_W2S 122 /* New window last too small */
#define IBMF_RMPP_STATUS_S2B 123 /* Segment number too big */
#define IBMF_RMPP_STATUS_IS 124 /* Illegal status */
#define IBMF_RMPP_STATUS_UNV 125 /* Unsupported version */
#define IBMF_RMPP_STATUS_TMR 126 /* Too many retries */
#define IBMF_RMPP_STATUS_USP 127 /* Unspecified error */
#define IBMF_RMPP_VERSION 1
#define IBMF_RMPP_DEFAULT_WIN_SZ 5
#define IBMF_NO_BLOCK 0
#ifdef __cplusplus
}
#endif
#endif /* _SYS_IB_MGT_IBMF_IBMF_RMPP_H */
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