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/* packet-fc-sb3.h
* Routines for Fibre Channel Single Byte Protocol (SBCCS); used in FICON.
* This decoder is for FC-SB3 version 1.4
* Copyright 2003 Dinesh G Dutt (ddutt@cisco.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_FCSB3_H_
#define __PACKET_FCSB3_H_
/* SB-3 IU Types */
#define FC_SBCCS_IU_DATA 0x0
#define FC_SBCCS_IU_CMD_HDR 0x1
#define FC_SBCCS_IU_STATUS 0x2
#define FC_SBCCS_IU_CTL 0x3
#define FC_SBCCS_IU_CMD_DATA 0x4
#define FC_SBCCS_IU_CMD_LINK_CTL 0x5
/* Control Function Types */
#define FC_SBCCS_CTL_FN_CTL_END 0x0
#define FC_SBCCS_CTL_FN_CMD_RSP 0x10
#define FC_SBCCS_CTL_FN_STK_STS 0x20
#define FC_SBCCS_CTL_FN_CANCEL 0x30
#define FC_SBCCS_CTL_FN_SYS_RST 0x40
#define FC_SBCCS_CTL_FN_SEL_RST 0x50
#define FC_SBCCS_CTL_FN_REQ_STS 0x70
#define FC_SBCCS_CTL_FN_DEV_XCP 0x80
#define FC_SBCCS_CTL_FN_STS_ACC 0xA0
#define FC_SBCCS_CTL_FN_DEV_ACK 0xB0
#define FC_SBCCS_CTL_FN_PRG_PTH 0xC1
#define FC_SBCCS_CTL_FN_PRG_RSP 0xD0
/* Link Control Function Types */
#define FC_SBCCS_LINK_CTL_FN_ELP 0x41
#define FC_SBCCS_LINK_CTL_FN_RLP 0x49
#define FC_SBCCS_LINK_CTL_FN_TIN 0x09
#define FC_SBCCS_LINK_CTL_FN_LPE 0x51
#define FC_SBCCS_LINK_CTL_FN_LPR 0x59
#define FC_SBCCS_LINK_CTL_FN_TIR 0x01
#define FC_SBCCS_LINK_CTL_FN_LRJ 0x11
#define FC_SBCCS_LINK_CTL_FN_LBY 0x21
#define FC_SBCCS_LINK_CTL_FN_LACK 0x61
#define FC_SBCCS_SB3_HDR_SIZE 8
#define FC_SBCCS_IU_HDR_SIZE 8
#define FC_SBCCS_DIB_LRC_HDR_SIZE 16
/* Decodes the DIB Type from the IU header and returns type */
static inline guint get_fc_sbccs_iu_type (tvbuff_t *tvb, guint offset)
{
/* This is in the IUI field of the IU header */
return (tvb_get_guint8 (tvb, offset+FC_SBCCS_SB3_HDR_SIZE) & 0x7);
}
#endif
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