1 files changed, 60 insertions, 0 deletions
diff --git a/epan/dissectors/packet-fcsb3.h b/epan/dissectors/packet-fcsb3.h
new file mode 100644
index 00000000..a893a7b3
--- /dev/null
+++ b/epan/dissectors/packet-fcsb3.h
@@ -0,0 +1,60 @@
+/* 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