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)
8 * Wireshark - Network traffic analyzer
9 * By Gerald Combs <gerald@wireshark.org>
10 * Copyright 1998 Gerald Combs
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 #ifndef __PACKET_FCSB3_H_
28 #define __PACKET_FCSB3_H_
31 #define FC_SBCCS_IU_DATA 0x0
32 #define FC_SBCCS_IU_CMD_HDR 0x1
33 #define FC_SBCCS_IU_STATUS 0x2
34 #define FC_SBCCS_IU_CTL 0x3
35 #define FC_SBCCS_IU_CMD_DATA 0x4
36 #define FC_SBCCS_IU_CMD_LINK_CTL 0x5
38 /* Control Function Types */
39 #define FC_SBCCS_CTL_FN_CTL_END 0x0
40 #define FC_SBCCS_CTL_FN_CMD_RSP 0x10
41 #define FC_SBCCS_CTL_FN_STK_STS 0x20
42 #define FC_SBCCS_CTL_FN_CANCEL 0x30
43 #define FC_SBCCS_CTL_FN_SYS_RST 0x40
44 #define FC_SBCCS_CTL_FN_SEL_RST 0x50
45 #define FC_SBCCS_CTL_FN_REQ_STS 0x70
46 #define FC_SBCCS_CTL_FN_DEV_XCP 0x80
47 #define FC_SBCCS_CTL_FN_STS_ACC 0xA0
48 #define FC_SBCCS_CTL_FN_DEV_ACK 0xB0
49 #define FC_SBCCS_CTL_FN_PRG_PTH 0xC1
50 #define FC_SBCCS_CTL_FN_PRG_RSP 0xD0
52 /* Link Control Function Types */
53 #define FC_SBCCS_LINK_CTL_FN_ELP 0x41
54 #define FC_SBCCS_LINK_CTL_FN_RLP 0x49
55 #define FC_SBCCS_LINK_CTL_FN_TIN 0x09
56 #define FC_SBCCS_LINK_CTL_FN_LPE 0x51
57 #define FC_SBCCS_LINK_CTL_FN_LPR 0x59
58 #define FC_SBCCS_LINK_CTL_FN_TIR 0x01
59 #define FC_SBCCS_LINK_CTL_FN_LRJ 0x11
60 #define FC_SBCCS_LINK_CTL_FN_LBY 0x21
61 #define FC_SBCCS_LINK_CTL_FN_LACK 0x61
63 #define FC_SBCCS_SB3_HDR_SIZE 8
64 #define FC_SBCCS_IU_HDR_SIZE 8
65 #define FC_SBCCS_DIB_LRC_HDR_SIZE 16
67 /* Decodes the DIB Type from the IU header and returns type */
68 static inline guint get_fc_sbccs_iu_type (tvbuff_t *tvb, guint offset)
70 /* This is in the IUI field of the IU header */
71 return (tvb_get_guint8 (tvb, offset+FC_SBCCS_SB3_HDR_SIZE) & 0x7);