Wireshark 4.5.0
The Wireshark network protocol analyzer
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packet-fcsb3.h
1/* packet-fc-sb3.h
2 * Routines for Fibre Channel Single Byte Protocol (SBCCS); used in FICON.
3 * This decoder is for FC-SB3 version 1.4
4 * Copyright 2003 Dinesh G Dutt ([email protected])
5 *
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <[email protected]>
8 * Copyright 1998 Gerald Combs
9 *
10 * SPDX-License-Identifier: GPL-2.0-or-later
11 */
12
13#ifndef __PACKET_FCSB3_H_
14#define __PACKET_FCSB3_H_
15
16/* SB-3 IU Types */
17#define FC_SBCCS_IU_DATA 0x0
18#define FC_SBCCS_IU_CMD_HDR 0x1
19#define FC_SBCCS_IU_STATUS 0x2
20#define FC_SBCCS_IU_CTL 0x3
21#define FC_SBCCS_IU_CMD_DATA 0x4
22#define FC_SBCCS_IU_CMD_LINK_CTL 0x5
23
24/* Control Function Types */
25#define FC_SBCCS_CTL_FN_CTL_END 0x0
26#define FC_SBCCS_CTL_FN_CMD_RSP 0x10
27#define FC_SBCCS_CTL_FN_STK_STS 0x20
28#define FC_SBCCS_CTL_FN_CANCEL 0x30
29#define FC_SBCCS_CTL_FN_SYS_RST 0x40
30#define FC_SBCCS_CTL_FN_SEL_RST 0x50
31#define FC_SBCCS_CTL_FN_REQ_STS 0x70
32#define FC_SBCCS_CTL_FN_DEV_XCP 0x80
33#define FC_SBCCS_CTL_FN_STS_ACC 0xA0
34#define FC_SBCCS_CTL_FN_DEV_ACK 0xB0
35#define FC_SBCCS_CTL_FN_PRG_PTH 0xC1
36#define FC_SBCCS_CTL_FN_PRG_RSP 0xD0
37
38/* Link Control Function Types */
39#define FC_SBCCS_LINK_CTL_FN_ELP 0x41
40#define FC_SBCCS_LINK_CTL_FN_RLP 0x49
41#define FC_SBCCS_LINK_CTL_FN_TIN 0x09
42#define FC_SBCCS_LINK_CTL_FN_LPE 0x51
43#define FC_SBCCS_LINK_CTL_FN_LPR 0x59
44#define FC_SBCCS_LINK_CTL_FN_TIR 0x01
45#define FC_SBCCS_LINK_CTL_FN_LRJ 0x11
46#define FC_SBCCS_LINK_CTL_FN_LBY 0x21
47#define FC_SBCCS_LINK_CTL_FN_LACK 0x61
48
49#define FC_SBCCS_SB3_HDR_SIZE 8
50#define FC_SBCCS_IU_HDR_SIZE 8
51#define FC_SBCCS_DIB_LRC_HDR_SIZE 16
52
53/* Decodes the DIB Type from the IU header and returns type */
54static inline unsigned get_fc_sbccs_iu_type (tvbuff_t *tvb, unsigned offset)
55{
56 /* This is in the IUI field of the IU header */
57 return (tvb_get_uint8 (tvb, offset+FC_SBCCS_SB3_HDR_SIZE) & 0x7);
58}
59
60#endif
Definition tvbuff-int.h:35