diff options
author | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
---|---|---|
committer | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
commit | 669db206cb1f270046ad400fff7655e20c63e723 (patch) | |
tree | 4eff24a2e16c8963e497e1fc575f35e6af59bd26 /epan/dissectors/packet-fcip.c | |
parent | ae46c27a38700af669ef907491081f09df6f6b2c (diff) |
Move dissectors to epan/dissectors directory.
Also move ncp222.py, x11-fields, process-x11-fields.pl,
make-reg-dotc, and make-reg-dotc.py.
Adjust #include lines in files that include packet-*.h
files.
svn path=/trunk/; revision=11410
Diffstat (limited to 'epan/dissectors/packet-fcip.c')
-rw-r--r-- | epan/dissectors/packet-fcip.c | 680 |
1 files changed, 680 insertions, 0 deletions
diff --git a/epan/dissectors/packet-fcip.c b/epan/dissectors/packet-fcip.c new file mode 100644 index 0000000000..194ff1c82b --- /dev/null +++ b/epan/dissectors/packet-fcip.c @@ -0,0 +1,680 @@ +/* packet-fcip.c + * Routines for FCIP dissection + * Copyright 2001, Dinesh G Dutt (ddutt@cisco.com) + * + * $Id$ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * Copyright 1998 Gerald Combs + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <glib.h> + +#include <epan/packet.h> +#include "prefs.h" + +/* + * See: + * + * draft-ietf-ips-fcovertcpip-12 + * + * draft-ietf-ips-fcencapsulation-08 + */ + +#define FCIP_ENCAP_HEADER_LEN 28 +#define FCIP_MIN_HEADER_LEN 16 /* upto frame len field */ +#define FCIP_ENCAP_PROTO_VER 0xFEFE0101 +#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 guint fcip_header_2_bytes[2] = {FCIP_ENCAP_PROTO_VER, + FCIP_ENCAP_PROTO_VER}; + +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 data_handle; +static dissector_handle_t fc_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_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); + * 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 + * 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 = FCIP_ENCAP_HEADER_LEN; + 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 (memcmp ((void *)tvb_get_ptr (tvb, offset, 8), + (void *)fcip_header_2_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 */ + if (tvb_get_ntohl (tvb, offset+24)) { + /* Failed */ + offset++; + bytes_remaining--; + goto NXT_BYTE; + } + + 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 (memcmp ((void *)tvb_get_ptr (tvb, offset+frame_len, 8), + (void *)fcip_header_2_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, 0); + proto_tree_add_item (tree, hf_fcip_protocol_c, tvb, offset+2, 1, 0); + proto_tree_add_item (tree, hf_fcip_version_c, tvb, offset+3, 1, 0); + + if (protocol == FCENCAP_PROTO_FCIP) { + proto_tree_add_item (tree, hf_fcip_encap_word1, tvb, offset+4, + 4, 0); + proto_tree_add_item (tree, hf_fcip_pflags_changed, tvb, offset+8, + 1, 0); + proto_tree_add_item (tree, hf_fcip_pflags_special, tvb, offset+8, + 1, 0); + proto_tree_add_item (tree, hf_fcip_pflags_c, tvb, offset+10, 1, 0); + } + + /* XXX - break out CRCV flag. */ + proto_tree_add_item (tree, hf_fcip_flags, tvb, offset+12, 1, 0); + proto_tree_add_item (tree, hf_fcip_framelen, tvb, offset+12, 2, 0); + proto_tree_add_item (tree, hf_fcip_flags_c, tvb, offset+14, 1, 0); + proto_tree_add_item (tree, hf_fcip_framelen_c, tvb, offset+14, 2, 0); + proto_tree_add_item (tree, hf_fcip_tsec, tvb, offset+16, 4, 0); + proto_tree_add_item (tree, hf_fcip_tusec, tvb, offset+20, 4, 0); + /* XXX - check CRC if CRCV is set? */ + proto_tree_add_item (tree, hf_fcip_encap_crc, tvb, offset+24, 4, 0); + } +} + +static void +dissect_fcip_sf (tvbuff_t *tvb, proto_tree *tree, gint offset) +{ + if (tree) { + proto_tree_add_string (tree, hf_fcip_src_wwn, tvb, offset, 8, + fcwwn_to_str (tvb_get_ptr (tvb, offset, 8))); + proto_tree_add_bytes (tree, hf_fcip_src_entity_id, tvb, offset+8, 8, + tvb_get_ptr (tvb, offset+8, 8)); + proto_tree_add_bytes (tree, hf_fcip_conn_nonce, tvb, offset+16, 8, + tvb_get_ptr (tvb, offset+16, 8)); + /* XXX - break out these flags */ + proto_tree_add_item (tree, hf_fcip_conn_flags, tvb, offset+24, 1, 0); + proto_tree_add_item (tree, hf_fcip_conn_code, tvb, offset+26, 2, 0); + proto_tree_add_string (tree, hf_fcip_dst_wwn, tvb, offset+30, 8, + fcwwn_to_str (tvb_get_ptr (tvb, offset+30, 8))); + proto_tree_add_item (tree, hf_fcip_katov, tvb, offset+38, 4, 0); + } +} + +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_length_remaining (tvb, offset); + 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; + + 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; + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + 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, 0); + proto_tree_add_item (fcip_tree, hf_fcip_sof_c, tvb, offset+2, 1, 0); + /* 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, 0); + proto_tree_add_item (fcip_tree, hf_fcip_eof_c, tvb, offset+2, 1, 0); + } + } + } + + /* 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 */ + pinfo->sof_eof = 0; + + if (sof) { + if ((sof == FCIP_SOFi3) || (sof == FCIP_SOFi2) || (sof == FCIP_SOFi4)) { + pinfo->sof_eof = PINFO_SOF_FIRST_FRAME; + } + else if (sof == FCIP_SOFf) { + pinfo->sof_eof = PINFO_SOF_SOFF; + } + + if (eof != FCIP_EOFn) { + pinfo->sof_eof |= PINFO_EOF_LAST_FRAME; + } + else if (eof != FCIP_EOFt) { + pinfo->sof_eof |= PINFO_EOF_INVALID; + } + } + + /* Special frame bit is not set */ + next_tvb = tvb_new_subset (tvb, FCIP_ENCAP_HEADER_LEN+4, -1, -1); + if (fc_handle) { + call_dissector (fc_handle, next_tvb, pinfo, tree); + } + else if (data_handle) { + call_dissector (data_handle, next_tvb, pinfo, tree); + } + } + else { + if (check_col(pinfo->cinfo, COL_INFO)) + col_set_str(pinfo->cinfo, COL_INFO, "Special Frame"); + if (FCIP_IS_CH (pflags)) { + if (check_col(pinfo->cinfo, COL_INFO)) + 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 explicitely 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 void +dissect_fcip_handle(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + dissect_fcip (tvb, pinfo, tree, FALSE); +} + +static gboolean +dissect_fcip_heur (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + 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", "fcencap.proto", FT_UINT8, BASE_DEC, + VALS(fcencap_proto_vals), 0, "Protocol", HFILL }}, + { &hf_fcip_protocol_c, + {"Protocol (1's Complement)", "fcencap.protoc", FT_UINT8, BASE_DEC, NULL, + 0, "Protocol (1's Complement)", HFILL}}, + { &hf_fcip_version, + {"Version", "fcencap.version", FT_UINT8, BASE_DEC, NULL, 0, "", + HFILL}}, + { &hf_fcip_version_c, + {"Version (1's Complement)", "fcencap.versionc", FT_UINT8, BASE_DEC, + NULL, 0, "", HFILL}}, + { &hf_fcip_encap_word1, + {"FCIP Encapsulation Word1", "fcip.word1", FT_UINT32, BASE_HEX, NULL, + 0, "", HFILL}}, + { &hf_fcip_flags, + {"Flags", "fcencap.flags", FT_UINT8, BASE_HEX, NULL, 0xFC, "", HFILL}}, + { &hf_fcip_flags_c, + {"Flags (1's Complement)", "fcencap.flagsc", FT_UINT8, BASE_HEX, + NULL, 0xFC, "", HFILL}}, + { &hf_fcip_framelen, + {"Frame Length (in Words)", "fcencap.framelen", FT_UINT16, BASE_DEC, + NULL, 0x03FF, "", HFILL}}, + { &hf_fcip_framelen_c, + {"Frame Length (1's Complement)", "fcencap.framelenc", FT_UINT16, + BASE_DEC, NULL, 0x03FF, "", HFILL}}, + { &hf_fcip_tsec, + {"Time (secs)", "fcencap.tsec", FT_UINT32, BASE_DEC, NULL, 0, "", + HFILL}}, + { &hf_fcip_tusec, + {"Time (fraction)", "fcencap.tusec", FT_UINT32, BASE_DEC, NULL, 0, + "", HFILL}}, + { &hf_fcip_encap_crc, + {"CRC", "fcencap.crc", FT_UINT32, BASE_HEX, NULL, 0, "", HFILL}}, + { &hf_fcip_sof, + {"SOF", "fcip.sof", FT_UINT8, BASE_HEX, VALS (&fcip_sof_vals), 0, + "", HFILL}}, + { &hf_fcip_sof_c, + {"SOF (1's Complement)", "fcip.sofc", FT_UINT8, BASE_HEX, NULL, + 0, "", HFILL}}, + { &hf_fcip_eof, + {"EOF", "fcip.eof", FT_UINT8, BASE_HEX, VALS (&fcip_eof_vals), 0, + "", HFILL}}, + { &hf_fcip_eof_c, + {"EOF (1's Complement)", "fcip.eofc", FT_UINT8, BASE_HEX, NULL, + 0, "", HFILL}}, + { &hf_fcip_pflags_changed, + {"Changed Flag", "fcip.pflags.ch", FT_BOOLEAN, BASE_DEC, NULL, 0x80, + "", HFILL}}, + { &hf_fcip_pflags_special, + {"Special Frame Flag", "fcip.pflags.sf", FT_BOOLEAN, BASE_DEC, NULL, + 0x1, "", HFILL}}, + { &hf_fcip_pflags_c, + {"Pflags (1's Complement)", "fcip.pflagsc", FT_UINT8, BASE_HEX, NULL, + 0x0, "", HFILL}}, + { &hf_fcip_src_wwn, + {"Source Fabric WWN", "fcip.srcwwn", FT_STRING, BASE_HEX, NULL, 0x0, + "", HFILL}}, + { &hf_fcip_dst_wwn, + {"Destination Fabric WWN", "fcip.dstwwn", FT_STRING, BASE_HEX, NULL, + 0x0, "", HFILL}}, + { &hf_fcip_src_entity_id, + {"FC/FCIP Entity Id", "fcip.srcid", FT_BYTES, BASE_HEX, NULL, 0x0, + "", HFILL}}, + { &hf_fcip_conn_flags, + {"Connection Usage Flags", "fcip.connflags", FT_UINT8, BASE_HEX, + NULL, 0x0, "", HFILL}}, + { &hf_fcip_conn_code, + {"Connection Usage Code", "fcip.conncode", FT_UINT16, BASE_HEX, NULL, + 0x0, "", HFILL}}, + { &hf_fcip_katov, + {"K_A_TOV", "fcip.katov", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL}}, + { &hf_fcip_conn_nonce, + {"Connection Nonce", "fcip.nonce", FT_BYTES, BASE_HEX, NULL, 0x0, "", + HFILL}}, + }; + + static gint *ett[] = { + &ett_fcip, + }; + + module_t *fcip_module; + + /* Register the protocol name and description */ + proto_fcip = proto_register_protocol("FCIP", "FCIP", "fcip"); + + /* Required function calls to register the header fields and + * subtrees used */ + 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", + "Desegment FCIP messages", + "When enabled, FCIP messages that span multiple TCP segments are desegmented", + &fcip_desegment); + prefs_register_uint_preference(fcip_module, + "target_port", + "Target port", + "Port number used for FCIP", + 10, + &fcip_port); +} + + +/* + * If this dissector uses sub-dissector registration add a + * registration routine. + */ + +/* + * This format is required because a script is used to find these + * routines and create the code that calls these routines. + */ +void +proto_reg_handoff_fcip (void) +{ + dissector_handle_t fcip_handle; + + heur_dissector_add("tcp", dissect_fcip_heur, proto_fcip); + + fcip_handle = create_dissector_handle(dissect_fcip_handle, proto_fcip); + dissector_add_handle("tcp.port", fcip_handle); + + data_handle = find_dissector("data"); + fc_handle = find_dissector("fc"); +} |