Wireshark  4.3.0
The Wireshark network protocol analyzer
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 (ddutt@cisco.com)
5  *
6  * Wireshark - Network traffic analyzer
7  * By Gerald Combs <gerald@wireshark.org>
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 */
54 static inline guint get_fc_sbccs_iu_type (tvbuff_t *tvb, guint offset)
55 {
56  /* This is in the IUI field of the IU header */
57  return (tvb_get_guint8 (tvb, offset+FC_SBCCS_SB3_HDR_SIZE) & 0x7);
58 }
59 
60 #endif
Definition: tvbuff-int.h:35