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authorGilbert Ramirez <gram@alumni.rice.edu>2004-07-18 18:06:47 +0000
committerGilbert Ramirez <gram@alumni.rice.edu>2004-07-18 18:06:47 +0000
commit669db206cb1f270046ad400fff7655e20c63e723 (patch)
tree4eff24a2e16c8963e497e1fc575f35e6af59bd26 /epan/dissectors/packet-ipfc.c
parentae46c27a38700af669ef907491081f09df6f6b2c (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-ipfc.c')
-rw-r--r--epan/dissectors/packet-ipfc.c140
1 files changed, 140 insertions, 0 deletions
diff --git a/epan/dissectors/packet-ipfc.c b/epan/dissectors/packet-ipfc.c
new file mode 100644
index 0000000000..2845dfe7ea
--- /dev/null
+++ b/epan/dissectors/packet-ipfc.c
@@ -0,0 +1,140 @@
+/* packet-ipfc.c
+ * Routines for Decoding Network_Header for IP-over-FC when we only
+ * capture the frame starting at the Network_Header (as opposed to
+ * when we have the full FC frame).
+ * See RFC 2625.
+ * 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 "etypes.h"
+#include "packet-fc.h"
+#include "packet-ipfc.h"
+#include "packet-llc.h"
+
+/* Initialize the protocol and registered fields */
+static int proto_ipfc = -1;
+static int hf_ipfc_network_da = -1;
+static int hf_ipfc_network_sa = -1;
+
+/* Initialize the subtree pointers */
+static gint ett_ipfc = -1;
+static dissector_handle_t llc_handle;
+
+void
+capture_ipfc (const guchar *pd, int len, packet_counts *ld)
+{
+ if (!BYTES_ARE_IN_FRAME(0, len, 16)) {
+ ld->other++;
+ return;
+ }
+
+ capture_llc(pd, 16, len, ld);
+}
+
+static void
+dissect_ipfc (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+
+/* Set up structures needed to add the protocol subtree and manage it */
+ proto_item *ti;
+ proto_tree *ipfc_tree;
+ int offset = 0;
+ tvbuff_t *next_tvb;
+
+ /* Make entries in Protocol column and Info column on summary display */
+ if (check_col(pinfo->cinfo, COL_PROTOCOL))
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "IP/FC");
+
+ if (tree) {
+ ti = proto_tree_add_protocol_format (tree, proto_ipfc, tvb, offset, 16,
+ "IP Over FC Network_Header");
+ ipfc_tree = proto_item_add_subtree (ti, ett_ipfc);
+
+ proto_tree_add_string (ipfc_tree, hf_ipfc_network_da, tvb, offset, 8,
+ fcwwn_to_str (tvb_get_ptr (tvb, offset, 8)));
+ proto_tree_add_string (ipfc_tree, hf_ipfc_network_sa, tvb, offset+8, 8,
+ fcwwn_to_str (tvb_get_ptr (tvb, offset+8, 8)));
+ }
+
+ next_tvb = tvb_new_subset (tvb, 16, -1, -1);
+ call_dissector(llc_handle, next_tvb, pinfo, tree);
+}
+
+/* Register the protocol with Ethereal */
+
+/* this format is require because a script is used to build the C function
+ that calls all the protocol registration.
+*/
+
+void
+proto_register_ipfc (void)
+{
+
+/* Setup list of header fields See Section 1.6.1 for details*/
+ static hf_register_info hf[] = {
+ { &hf_ipfc_network_da,
+ {"Network DA", "ipfc.nh.da", FT_STRING, BASE_HEX, NULL,
+ 0x0, "", HFILL}},
+ { &hf_ipfc_network_sa,
+ {"Network SA", "ipfc.nh.sa", FT_STRING, BASE_HEX, NULL,
+ 0x0, "", HFILL}},
+ };
+
+ /* Setup protocol subtree array */
+ static gint *ett[] = {
+ &ett_ipfc,
+ };
+
+ /* Register the protocol name and description */
+ proto_ipfc = proto_register_protocol("IP Over FC", "IPFC", "ipfc");
+
+ /* Required function calls to register the header fields and subtrees used */
+ proto_register_field_array(proto_ipfc, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+}
+
+/* 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_ipfc (void)
+{
+ dissector_handle_t ipfc_handle;
+
+ ipfc_handle = create_dissector_handle (dissect_ipfc, proto_ipfc);
+ dissector_add("wtap_encap", WTAP_ENCAP_IP_OVER_FC, ipfc_handle);
+
+ llc_handle = find_dissector ("llc");
+}