Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 658 insertions, 0 deletions

diff --git a/epan/dissectors/packet-fcip.c b/epan/dissectors/packet-fcip.c
new file mode 100644
index 00000000..7232af4b
--- /dev/null
+++ b/epan/dissectors/packet-fcip.c
@@ -0,0 +1,658 @@
+/* packet-fcip.c
+ * Routines for FCIP dissection
+ * RFC 3821, RFC 3643
+ * Copyright 2001, 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
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/prefs.h>
+#include <epan/to_str.h>
+#include "packet-fc.h"
+
+void proto_register_fcip(void);
+void proto_reg_handoff_fcip(void);
+
+#define FCIP_ENCAP_HEADER_LEN                    28
+#define FCIP_MIN_HEADER_LEN                      16 /* upto frame len field */
+#define FCIP_IS_SF(pflags)                       ((pflags & 0x1) == 0x1)
+#define FCIP_IS_CH(pflags)                       ((pflags & 0x80) == 0x80)
+
+typedef enum {
+    FCIP_EOFn    = 0x41,
+    FCIP_EOFt    = 0x42,
+    FCIP_EOFrt   = 0x44,
+    FCIP_EOFdt   = 0x46,
+    FCIP_EOFni   = 0x49,
+    FCIP_EOFdti  = 0x4E,
+    FCIP_EOFrti  = 0x4F,
+    FCIP_EOFa    = 0x50
+} fcip_eof_t;
+
+typedef enum {
+    FCIP_SOFf    = 0x28,
+    FCIP_SOFi4   = 0x29,
+    FCIP_SOFi2   = 0x2D,
+    FCIP_SOFi3   = 0x2E,
+    FCIP_SOFn4   = 0x31,
+    FCIP_SOFn2   = 0x35,
+    FCIP_SOFn3   = 0x36,
+    FCIP_SOFc4   = 0x39
+} fcip_sof_t;
+
+typedef enum {
+    FCENCAP_PROTO_FCIP = 1,
+    FCENCAP_PROTO_iFCP = 2
+} fcencap_proto_t;
+
+static const value_string fcip_eof_vals[] = {
+    {FCIP_EOFn,   "EOFn"   },
+    {FCIP_EOFt,   "EOFt"   },
+    {FCIP_EOFrt,  "EOFrt"  },
+    {FCIP_EOFdt,  "EOFdt"  },
+    {FCIP_EOFni,  "EOFni"  },
+    {FCIP_EOFdti, "EOFdti" },
+    {FCIP_EOFrti, "EOFrti" },
+    {FCIP_EOFa,   "EOFa"   },
+    {0, NULL},
+};
+
+static const value_string fcip_sof_vals[] = {
+    {FCIP_SOFf, "SOFf" },
+    {FCIP_SOFi4, "SOFi4" },
+    {FCIP_SOFi2, "SOFi2" },
+    {FCIP_SOFi3, "SOFi3" },
+    {FCIP_SOFn4, "SOFn4" },
+    {FCIP_SOFn2, "SOFn2" },
+    {FCIP_SOFn3, "SOFn3" },
+    {FCIP_SOFc4, "SOFc4" },
+    {0, NULL},
+};
+
+static const value_string fcencap_proto_vals[] = {
+    {FCENCAP_PROTO_FCIP, "FCIP" },
+    {FCENCAP_PROTO_iFCP, "iFCP" },
+    {0, NULL},
+};
+
+static const guint8 fcip_header_8_bytes[8] = {
+    0x01, 0x01, 0xFE, 0xFE,
+    0x01, 0x01, 0xFE, 0xFE
+};
+
+static int proto_fcip          = -1;
+
+static int hf_fcip_protocol       = -1;
+static int hf_fcip_protocol_c     = -1;
+static int hf_fcip_version        = -1;
+static int hf_fcip_version_c      = -1;
+static int hf_fcip_encap_word1    = -1;
+static int hf_fcip_flags          = -1;
+static int hf_fcip_flags_c        = -1;
+static int hf_fcip_framelen       = -1;
+static int hf_fcip_framelen_c     = -1;
+static int hf_fcip_tsec           = -1;
+static int hf_fcip_tusec          = -1;
+static int hf_fcip_encap_crc      = -1;
+static int hf_fcip_sof            = -1;
+static int hf_fcip_sof_c          = -1;
+static int hf_fcip_eof            = -1;
+static int hf_fcip_eof_c          = -1;
+static int hf_fcip_pflags_changed = -1;
+static int hf_fcip_pflags_special = -1;
+static int hf_fcip_pflags_c       = -1;
+static int hf_fcip_src_wwn        = -1;
+static int hf_fcip_dst_wwn        = -1;
+static int hf_fcip_conn_code      = -1;
+static int hf_fcip_katov          = -1;
+static int hf_fcip_src_entity_id  = -1;
+static int hf_fcip_conn_nonce     = -1;
+static int hf_fcip_conn_flags     = -1;
+
+static int ett_fcip            = -1;
+
+static guint fcip_port         = 3225;
+static gboolean fcip_desegment = TRUE;
+
+static dissector_handle_t fc_handle;
+static dissector_handle_t fcip_handle;
+
+
+/* This routine attempts to locate the position of the next header in the
+ * provided segment
+ */
+static guint
+get_next_fcip_header_offset (tvbuff_t *tvb, packet_info *pinfo, gint offset)
+{
+    gint       bytes_remaining = tvb_reported_length_remaining (tvb, offset);
+    gint       frame_len;
+    guint16    flen, flen1;
+    fcip_eof_t eof, eofc;
+
+    /*
+     * As per the FCIP standard, the following tests must PASS:
+     * 1)  Frame Length field validation -- 15 < Frame Length < 545;
+     * 2)  Comparison of Frame Length field to its ones complement; and
+     * 3)  A valid EOF is found in the word preceding the start of the next
+     *     FCIP header as indicated by the Frame Length field, to be tested
+     *     as follows:
+     *     1)  Bits 24-31 and 16-23 contain identical legal EOF values (the
+     *         list of legal EOF values is in the FC Frame Encapsulation
+     *         [21]); and
+     *     2)  Bits 8-15 and 0-7 contain the ones complement of the EOF
+     *         value found in bits 24-31.
+     *
+     * As per the FCIP standard, in addition, at least 3 of the following set
+     * of tests must be performed to identify that we've located the start of
+     * an FCIP frame.
+     * a)  Protocol# ones complement field (1 test);
+     * b)  Version ones complement field (1 test);
+     * c)  Replication of encapsulation word 0 in word 1 (1 test);
+     * d)  Reserved field and its ones complement (2 tests);
+     * e)  Flags field and its ones complement (2 tests);
+     *    f)  CRC field is equal to zero (1 test); (DON'T DO THIS TEST!)
+     * g)  SOF fields and ones complement fields (4 tests);
+     * h)  Format and values of FC header (1 test);
+     * i)  CRC of FC Frame (2 tests);
+     * j)  FC Frame Encapsulation header information in the next FCIP Frame
+     *     (1 test).
+     *
+     * At least 3 of the 16 tests listed above SHALL be performed. Failure
+     * of any of the above tests actually performed SHALL indicate an
+     * encapsulation error and the FC Frame SHALL NOT be forwarded on to
+     * the FC Entity.
+     */
+
+NXT_BYTE: while (bytes_remaining) {
+        if (bytes_remaining < FCIP_ENCAP_HEADER_LEN) {
+            if(fcip_desegment && pinfo->can_desegment) {
+                /*
+                 * This frame doesn't have all of the data for
+                 * the message header, but we can do reassembly on it.
+                 *
+                 * Tell the TCP dissector where the data for this
+                 * message starts in the data it handed us, and that we need
+                 * "some more data."  Don't tell it exactly how many bytes
+                 * we need because if/when we ask for even more (after the
+                 * header) that will break reassembly.
+                 */
+                pinfo->desegment_offset = offset;
+                pinfo->desegment_len = DESEGMENT_ONE_MORE_SEGMENT;
+                return -2;
+            }
+        }
+
+        /* I check that we have a valid header before checking for the frame
+         * length and the other initial tests.
+         */
+
+        /*
+         * Tests a, b and c
+         */
+        if (tvb_memeql(tvb, offset, fcip_header_8_bytes, 8) != 0) {
+            offset++;
+            bytes_remaining--;
+            goto NXT_BYTE;
+        }
+
+        flen = (tvb_get_ntohs (tvb, offset+12)) & 0x03FF;
+        frame_len = (tvb_get_ntohs (tvb, offset+12) & 0x03FF)*4;
+
+        if ((flen < 15) || (flen > 545)) {
+            /* Frame length check failed. Skip byte and try again */
+            offset++;
+            bytes_remaining--;
+            goto NXT_BYTE;
+        }
+
+        flen1 = (tvb_get_ntohs (tvb, offset+14)) & 0x03FF;
+
+        if ((flen & 0x03FF) != ((~flen1)&0x03FF)) {
+            /* frame_len and its one's complement are not the same */
+            offset++;
+            bytes_remaining--;
+            goto NXT_BYTE;
+        }
+
+        /* Valid EOF check */
+        if (tvb_bytes_exist (tvb, offset+(frame_len-1)*4, 4)) {
+            eof = (fcip_eof_t)tvb_get_guint8 (tvb, offset+(frame_len-1)*4);
+            eofc = (fcip_eof_t)tvb_get_guint8 (tvb, offset+(frame_len-1)*4+2);
+
+            if ((eof != FCIP_EOFn) && (eof != FCIP_EOFt) && (eof != FCIP_EOFrt)
+                && (eof != FCIP_EOFdt) && (eof != FCIP_EOFni) &&
+                (eof != FCIP_EOFdti) && (eof != FCIP_EOFrti) &&
+                (eof != FCIP_EOFa)) {
+                offset++;
+                bytes_remaining--;
+                goto NXT_BYTE;
+            }
+
+            if ((eof != ~eofc) ||
+                (eof != tvb_get_guint8 (tvb, offset+(frame_len-1)*4+1)) ||
+                (eofc != tvb_get_guint8 (tvb, offset+(frame_len-1)*4+3))) {
+                offset++;
+                bytes_remaining--;
+                goto NXT_BYTE;
+            }
+        }
+
+        /* Test d */
+        if ((tvb_get_guint8 (tvb, offset+9) != 0) ||
+            (tvb_get_guint8 (tvb, offset+11) != 0xFF)) {
+            /* Failed */
+            offset++;
+            bytes_remaining--;
+            goto NXT_BYTE;
+        }
+
+        /* Test e */
+
+
+        /* Test f
+         * We don't test this since some implementations actually provide
+         * a CRC here.
+         */
+
+        if (bytes_remaining >= (frame_len)) {
+            if (tvb_bytes_exist (tvb, offset+frame_len, 8)) {
+                /* The start of the next header matches what we wish to see */
+                if (tvb_memeql (tvb, offset+frame_len, fcip_header_8_bytes,
+                                8) == 0) {
+                    return (offset);
+                }
+                else {
+                    offset++;
+                    bytes_remaining--;
+                    goto NXT_BYTE;
+                }
+            }
+            else {
+                return (offset);
+            }
+        }
+        else {
+            if(fcip_desegment && pinfo->can_desegment) {
+                /*
+                 * This frame doesn't have all of the data for
+                 * this message, but we can do reassembly on it.
+                 *
+                 * Tell the TCP dissector where the data for this
+                 * message starts in the data it handed us, and
+                 * how many more bytes we need, and return.
+                 */
+                pinfo->desegment_offset = offset;
+                pinfo->desegment_len = frame_len - bytes_remaining;
+                return -2;
+            }
+            else {
+                return (offset);
+            }
+        }
+    }
+
+    return (-1);                /* Unable to find FCIP header */
+}
+
+static void
+dissect_fcencap_header (tvbuff_t *tvb, proto_tree *tree, gint offset)
+{
+    guint8 protocol = tvb_get_guint8 (tvb, offset);
+
+    if (tree) {
+        proto_tree_add_uint (tree, hf_fcip_protocol, tvb, offset, 1, protocol);
+        proto_tree_add_item (tree, hf_fcip_version, tvb, offset+1, 1, ENC_BIG_ENDIAN);
+        proto_tree_add_item (tree, hf_fcip_protocol_c, tvb, offset+2, 1, ENC_BIG_ENDIAN);
+        proto_tree_add_item (tree, hf_fcip_version_c, tvb, offset+3, 1, ENC_BIG_ENDIAN);
+
+        if (protocol == FCENCAP_PROTO_FCIP) {
+            proto_tree_add_item (tree, hf_fcip_encap_word1, tvb, offset+4,
+                                 4, ENC_BIG_ENDIAN);
+            proto_tree_add_item (tree, hf_fcip_pflags_changed, tvb, offset+8,
+                                 1, ENC_BIG_ENDIAN);
+            proto_tree_add_item (tree, hf_fcip_pflags_special, tvb, offset+8,
+                                 1, ENC_BIG_ENDIAN);
+            proto_tree_add_item (tree, hf_fcip_pflags_c, tvb, offset+10, 1, ENC_BIG_ENDIAN);
+        }
+
+        /* XXX - break out CRCV flag. */
+        proto_tree_add_item (tree, hf_fcip_flags, tvb, offset+12, 1, ENC_BIG_ENDIAN);
+        proto_tree_add_item (tree, hf_fcip_framelen, tvb, offset+12, 2, ENC_BIG_ENDIAN);
+        proto_tree_add_item (tree, hf_fcip_flags_c, tvb, offset+14, 1, ENC_BIG_ENDIAN);
+        proto_tree_add_item (tree, hf_fcip_framelen_c, tvb, offset+14, 2, ENC_BIG_ENDIAN);
+        proto_tree_add_item (tree, hf_fcip_tsec, tvb, offset+16, 4, ENC_BIG_ENDIAN);
+        proto_tree_add_item (tree, hf_fcip_tusec, tvb, offset+20, 4, ENC_BIG_ENDIAN);
+        /* XXX - check CRC if CRCV is set? */
+        proto_tree_add_item (tree, hf_fcip_encap_crc, tvb, offset+24, 4, ENC_BIG_ENDIAN);
+    }
+}
+
+static void
+dissect_fcip_sf (tvbuff_t *tvb, proto_tree *tree, gint offset)
+{
+    if (tree) {
+        proto_tree_add_item (tree, hf_fcip_src_wwn, tvb, offset, 8, ENC_NA);
+        proto_tree_add_item (tree, hf_fcip_src_entity_id, tvb, offset+8, 8,
+                              ENC_NA);
+        proto_tree_add_item (tree, hf_fcip_conn_nonce, tvb, offset+16, 8,
+                              ENC_NA);
+        /* XXX - break out these flags */
+        proto_tree_add_item (tree, hf_fcip_conn_flags, tvb, offset+24, 1, ENC_BIG_ENDIAN);
+        proto_tree_add_item (tree, hf_fcip_conn_code, tvb, offset+26, 2, ENC_BIG_ENDIAN);
+        proto_tree_add_item (tree, hf_fcip_dst_wwn, tvb, offset+30, 8, ENC_NA);
+        proto_tree_add_item (tree, hf_fcip_katov, tvb, offset+38, 4, ENC_BIG_ENDIAN);
+    }
+}
+
+static gboolean
+dissect_fcip (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+              gboolean check_port)
+{
+    gint offset = 0,
+         start  = 0,
+         frame_len = 0;
+    gint bytes_remaining = tvb_captured_length (tvb);
+    guint8 pflags, sof = 0, eof = 0;
+   /* Set up structures needed to add the protocol subtree and manage it */
+    proto_item *ti;
+    proto_tree *fcip_tree = NULL;
+    tvbuff_t *next_tvb;
+    fc_data_t fc_data;
+
+    if (bytes_remaining < FCIP_ENCAP_HEADER_LEN) {
+        return FALSE;
+    }
+
+    if (check_port &&
+        ((pinfo->srcport != fcip_port) && (pinfo->destport != fcip_port))) {
+        return FALSE;
+    }
+
+    while (bytes_remaining > FCIP_ENCAP_HEADER_LEN) {
+        if ((offset = get_next_fcip_header_offset (tvb, pinfo, offset)) == -1) {
+            return FALSE;
+        }
+        else if (offset == -2) {
+            /* We need more data to desegment */
+            return (TRUE);
+        }
+
+        start = offset;
+        col_set_str(pinfo->cinfo, COL_PROTOCOL, "FCIP");
+
+        frame_len = (tvb_get_ntohs (tvb, offset+12) & 0x03FF)*4;
+
+        if (bytes_remaining < frame_len) {
+            if(fcip_desegment && pinfo->can_desegment) {
+                /*
+                 * This frame doesn't have all of the data for
+                 * this message, but we can do reassembly on it.
+                 *
+                 * Tell the TCP dissector where the data for this
+                 * message starts in the data it handed us, and
+                 * how many more bytes we need, and return.
+                 */
+                pinfo->desegment_offset = offset;
+                pinfo->desegment_len = frame_len - bytes_remaining;
+                return (TRUE);
+            }
+        }
+
+        pflags = tvb_get_guint8 (tvb, start+8);
+
+        if (tree) {
+            if (FCIP_IS_SF (pflags)) {
+                ti = proto_tree_add_protocol_format (tree, proto_fcip, tvb, 0,
+                                                     FCIP_ENCAP_HEADER_LEN,
+                                                     "FCIP");
+            }
+            else if (tvb_bytes_exist (tvb, offset, offset+frame_len-4)) {
+                sof = tvb_get_guint8 (tvb, offset+FCIP_ENCAP_HEADER_LEN);
+                eof = tvb_get_guint8 (tvb, offset+frame_len - 4);
+
+                ti = proto_tree_add_protocol_format (tree, proto_fcip, tvb, 0,
+                                                     FCIP_ENCAP_HEADER_LEN,
+                                                     "FCIP (%s/%s)",
+                                                     val_to_str (sof, fcip_sof_vals,
+                                                                 "0x%x"),
+                                                     val_to_str (eof, fcip_eof_vals,
+                                                                 "0x%x"));
+            }
+            else {
+                sof = tvb_get_guint8 (tvb, offset+FCIP_ENCAP_HEADER_LEN);
+
+                ti = proto_tree_add_protocol_format (tree, proto_fcip, tvb, 0,
+                                                     FCIP_ENCAP_HEADER_LEN,
+                                                     "FCIP (%s/%s)",
+                                                     val_to_str (sof, fcip_sof_vals,
+                                                                 "0x%x"),
+                                                     "NA");
+            }
+            fcip_tree = proto_item_add_subtree (ti, ett_fcip);
+            /* Dissect the Common FC Encap header */
+            dissect_fcencap_header (tvb, fcip_tree, offset);
+
+            offset += FCIP_ENCAP_HEADER_LEN;
+
+            if (!FCIP_IS_SF (pflags)) {
+                /* print SOF */
+                proto_tree_add_item (fcip_tree, hf_fcip_sof, tvb, offset, 1, ENC_BIG_ENDIAN);
+                proto_tree_add_item (fcip_tree, hf_fcip_sof_c, tvb, offset+2, 1, ENC_BIG_ENDIAN);
+                /* print EOF */
+
+                offset += (frame_len-FCIP_ENCAP_HEADER_LEN-4);
+                if (tvb_bytes_exist (tvb, offset, 4)) {
+                    proto_tree_add_item (fcip_tree, hf_fcip_eof, tvb, offset, 1, ENC_BIG_ENDIAN);
+                    proto_tree_add_item (fcip_tree, hf_fcip_eof_c, tvb, offset+2, 1, ENC_BIG_ENDIAN);
+                }
+            }
+        }
+
+        /* Call the FC Dissector if this is carrying an FC frame */
+        if (!FCIP_IS_SF(pflags)) {
+            /* Set the SOF/EOF flags in the packet_info header */
+            fc_data.sof_eof = 0;
+
+            if (sof) {
+                if ((sof == FCIP_SOFi3) || (sof == FCIP_SOFi2) || (sof == FCIP_SOFi4)) {
+                    fc_data.sof_eof = FC_DATA_SOF_FIRST_FRAME;
+                }
+                else if (sof == FCIP_SOFf) {
+                    fc_data.sof_eof = FC_DATA_SOF_SOFF;
+                }
+
+                if (eof != FCIP_EOFn) {
+                    fc_data.sof_eof |= FC_DATA_EOF_LAST_FRAME;
+                }
+                else if (eof != FCIP_EOFt) {
+                    fc_data.sof_eof |= FC_DATA_EOF_INVALID;
+                }
+            }
+
+            /* Special frame bit is not set */
+            next_tvb = tvb_new_subset_remaining (tvb, FCIP_ENCAP_HEADER_LEN+4);
+            if (fc_handle) {
+                fc_data.ethertype = ETHERTYPE_UNK;
+                call_dissector_with_data(fc_handle, next_tvb, pinfo, tree, &fc_data);
+            }
+            else {
+                call_data_dissector(next_tvb, pinfo, tree);
+            }
+        }
+        else {
+            col_set_str(pinfo->cinfo, COL_INFO, "Special Frame");
+            if (FCIP_IS_CH (pflags)) {
+                col_append_str(pinfo->cinfo, COL_INFO, "(Changed)");
+            }
+
+            dissect_fcip_sf (tvb, fcip_tree, offset+4);
+        }
+
+        bytes_remaining -= frame_len;
+    }
+
+    return (TRUE);
+}
+
+/* This is called for those sessions where we have explicitly said
+   this to be FCIP using "Decode As..."
+   In this case we will not check the port number for sanity and just
+   do as the user said.
+*/
+static int
+dissect_fcip_handle(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+    dissect_fcip (tvb, pinfo, tree, FALSE);
+    return tvb_captured_length(tvb);
+}
+
+static gboolean
+dissect_fcip_heur (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+    return (dissect_fcip (tvb, pinfo, tree, TRUE));
+}
+
+void
+proto_register_fcip (void)
+{
+
+    /* Setup list of header fields  See Section 1.6.1 for details*/
+    static hf_register_info hf[] = {
+        { &hf_fcip_protocol,
+          { "Protocol", "fcip.proto", FT_UINT8, BASE_DEC,
+            VALS(fcencap_proto_vals), 0, NULL, HFILL }},
+        { &hf_fcip_protocol_c,
+          {"Protocol (1's Complement)", "fcip.protoc", FT_UINT8, BASE_DEC,
+           NULL, 0, NULL, HFILL}},
+        { &hf_fcip_version,
+          {"Version", "fcip.version", FT_UINT8, BASE_DEC,
+           NULL, 0, NULL, HFILL}},
+        { &hf_fcip_version_c,
+          {"Version (1's Complement)", "fcip.versionc", FT_UINT8, BASE_DEC,
+           NULL, 0, NULL, HFILL}},
+        { &hf_fcip_encap_word1,
+          {"FCIP Encapsulation Word1", "fcip.encap_word1", FT_UINT32, BASE_HEX,
+           NULL, 0, NULL, HFILL}},
+        { &hf_fcip_flags,
+          {"Flags", "fcip.flags", FT_UINT8, BASE_HEX,
+           NULL, 0xFC, NULL, HFILL}},
+        { &hf_fcip_flags_c,
+          {"Flags (1's Complement)", "fcip.flagsc", FT_UINT8, BASE_HEX,
+           NULL, 0xFC, NULL, HFILL}},
+        { &hf_fcip_framelen,
+          {"Frame Length (in Words)", "fcip.framelen", FT_UINT16, BASE_DEC,
+           NULL, 0x03FF, NULL, HFILL}},
+        { &hf_fcip_framelen_c,
+          {"Frame Length (1's Complement)", "fcip.framelenc", FT_UINT16, BASE_DEC,
+           NULL, 0x03FF, NULL, HFILL}},
+        { &hf_fcip_tsec,
+          {"Time (secs)", "fcip.tsec", FT_UINT32, BASE_DEC,
+           NULL, 0, NULL, HFILL}},
+        { &hf_fcip_tusec,
+          {"Time (fraction)", "fcip.tusec", FT_UINT32, BASE_DEC,
+           NULL, 0, NULL, HFILL}},
+        { &hf_fcip_encap_crc,
+          {"CRC", "fcip.encap_crc", FT_UINT32, BASE_HEX,
+           NULL, 0, NULL, HFILL}},
+        { &hf_fcip_sof,
+          {"SOF", "fcip.sof", FT_UINT8, BASE_HEX,
+           VALS (fcip_sof_vals), 0, NULL, HFILL}},
+        { &hf_fcip_sof_c,
+          {"SOF (1's Complement)", "fcip.sofc", FT_UINT8, BASE_HEX,
+           NULL, 0, NULL, HFILL}},
+        { &hf_fcip_eof,
+          {"EOF", "fcip.eof", FT_UINT8, BASE_HEX,
+           VALS (fcip_eof_vals), 0, NULL, HFILL}},
+        { &hf_fcip_eof_c,
+          {"EOF (1's Complement)", "fcip.eofc", FT_UINT8, BASE_HEX,
+           NULL, 0, NULL, HFILL}},
+        { &hf_fcip_pflags_changed,
+          {"Changed Flag", "fcip.pflags.ch", FT_BOOLEAN, 8,
+           NULL, 0x80, NULL, HFILL}},
+        { &hf_fcip_pflags_special,
+          {"Special Frame Flag", "fcip.pflags.sf", FT_BOOLEAN, 8,
+           NULL, 0x1, NULL, HFILL}},
+        { &hf_fcip_pflags_c,
+          {"Pflags (1's Complement)", "fcip.pflagsc", FT_UINT8, BASE_HEX,
+           NULL, 0x0, NULL, HFILL}},
+        { &hf_fcip_src_wwn,
+          {"Source Fabric WWN", "fcip.srcwwn", FT_FCWWN, BASE_NONE,
+           NULL, 0x0, NULL, HFILL}},
+        { &hf_fcip_dst_wwn,
+          {"Destination Fabric WWN", "fcip.dstwwn", FT_FCWWN, BASE_NONE,
+           NULL, 0x0, NULL, HFILL}},
+        { &hf_fcip_src_entity_id,
+          {"FC/FCIP Entity Id", "fcip.srcid", FT_BYTES, BASE_NONE,
+           NULL, 0x0, NULL, HFILL}},
+        { &hf_fcip_conn_flags,
+          {"Connection Usage Flags", "fcip.connflags", FT_UINT8, BASE_HEX,
+           NULL, 0x0, NULL, HFILL}},
+        { &hf_fcip_conn_code,
+          {"Connection Usage Code", "fcip.conncode", FT_UINT16, BASE_HEX,
+           NULL, 0x0, NULL, HFILL}},
+        { &hf_fcip_katov,
+          {"K_A_TOV", "fcip.katov", FT_UINT32, BASE_DEC,
+           NULL, 0x0, NULL, HFILL}},
+        { &hf_fcip_conn_nonce,
+          {"Connection Nonce", "fcip.nonce", FT_BYTES, BASE_NONE,
+           NULL, 0x0, NULL, HFILL}},
+    };
+
+    static gint *ett[] = {
+        &ett_fcip,
+    };
+
+    module_t *fcip_module;
+
+    /* Register the protocol name and description */
+    proto_fcip = proto_register_protocol("FCIP", "Fibre Channel over IP", "fcip");
+    fcip_handle = register_dissector("fcip", dissect_fcip_handle, proto_fcip);
+
+    proto_register_field_array(proto_fcip, hf, array_length(hf));
+    proto_register_subtree_array(ett, array_length(ett));
+
+    fcip_module = prefs_register_protocol(proto_fcip, NULL);
+    prefs_register_bool_preference(fcip_module,
+                                   "desegment",
+                                   "Reassemble FCIP messages spanning multiple TCP segments",
+                                   "Whether the FCIP dissector should reassemble messages spanning multiple TCP segments."
+                                   " To use this option, you must also enable"
+                                   " \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
+                                   &fcip_desegment);
+    prefs_register_uint_preference(fcip_module,
+                                   "target_port",
+                                   "Target port",
+                                   "Port number used for FCIP",
+                                   10,
+                                   &fcip_port);
+}
+
+void
+proto_reg_handoff_fcip (void)
+{
+    heur_dissector_add("tcp", dissect_fcip_heur, "FCIP over TCP", "fcip_tcp", proto_fcip, HEURISTIC_ENABLE);
+
+    dissector_add_for_decode_as_with_preference("tcp.port", fcip_handle);
+
+    fc_handle   = find_dissector_add_dependency("fc", proto_fcip);
+}
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */