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HACK: pinfo->private_data points to smb_info again
[wireshark-wip.git] / epan / dissectors / packet-nstrace.c
blobd7a5c7c710af1c7bec7266d3fe3f9238501ccfa5
1 /* packet-nstrace.c
2 * Routines for nstrace dissection
3 * Copyright 2006, Ravi Kondamuru <Ravi.Kondamuru@citrix.com>
4 *
5 * $Id$
6 *
7 * Wireshark - Network traffic analyzer
8 * By Gerald Combs <gerald@wireshark.org>
9 * Copyright 1998 Gerald Combs
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 */
25
26 #include "config.h"
27
28 #include <glib.h>
29 #include <epan/packet.h>
30 #include <epan/wmem/wmem.h>
31 #include <wiretap/netscaler.h>
32
33 static int proto_nstrace = -1;
34
35 static int hf_ns_nicno = -1;
36 static int hf_ns_src_vm = -1;
37 static int hf_ns_dst_vm = -1;
38 static int hf_ns_dir = -1;
39 static int hf_ns_pcbdevno = -1;
40 static int hf_ns_l_pcbdevno = -1;
41 static int hf_ns_devno = -1;
42 static int hf_ns_vlantag = -1;
43 static int hf_ns_coreid = -1;
44
45 static int hf_ns_snode = -1;
46 static int hf_ns_dnode = -1;
47 static int hf_ns_clflags = -1;
48 static int hf_ns_clflags_res = -1;
49 static int hf_ns_clflags_rssh = -1;
50 static int hf_ns_clflags_rss = -1;
51 static int hf_ns_clflags_dfd = -1;
52 static int hf_ns_clflags_fr = -1;
53 static int hf_ns_clflags_fp = -1;
54
55 static int hf_ns_activity = -1;
56 static int hf_ns_activity_perf_collection = -1;
57 static int hf_ns_activity_pcb_zombie = -1;
58 static int hf_ns_activity_natpcb_zombie = -1;
59 static int hf_ns_activity_lbstats_sync = -1;
60 static int hf_ns_activity_stats_req = -1;
61
62
63 static gint ett_ns = -1;
64 static gint ett_ns_flags = -1;
65 static gint ett_ns_activity_flags = -1;
66
67 static const value_string ns_dir_vals[] = {
68 { NSPR_PDPKTRACEFULLTX_V10, "TX" },
69 { NSPR_PDPKTRACEFULLTX_V20, "TX" },
70 { NSPR_PDPKTRACEFULLTXB_V10, "TXB" },
71 { NSPR_PDPKTRACEFULLTXB_V20, "TXB" },
72 { NSPR_PDPKTRACEFULLRX_V10, "RX" },
73 { NSPR_PDPKTRACEFULLRX_V20, "RX" },
74 { NSPR_PDPKTRACEPARTTX_V10, "TX" },
75 { NSPR_PDPKTRACEPARTTX_V20, "TX" },
76 { NSPR_PDPKTRACEPARTTXB_V10, "TXB" },
77 { NSPR_PDPKTRACEPARTTXB_V20, "TXB" },
78 { NSPR_PDPKTRACEPARTRX_V10, "RX" },
79 { NSPR_PDPKTRACEPARTRX_V20, "RX" },
80 { NSPR_PDPKTRACEFULLTX_V21, "TX" },
81 { NSPR_PDPKTRACEFULLTXB_V21, "TXB" },
82 { NSPR_PDPKTRACEFULLRX_V21, "RX" },
83 { NSPR_PDPKTRACEPARTTX_V21, "TX" },
84 { NSPR_PDPKTRACEPARTTXB_V21, "TXB" },
85 { NSPR_PDPKTRACEPARTRX_V21, "RX" },
86 { NSPR_PDPKTRACEFULLTX_V22, "TX" },
87 { NSPR_PDPKTRACEFULLTX_V23, "TX" },
88 { NSPR_PDPKTRACEFULLTX_V24, "TX" },
89 { NSPR_PDPKTRACEFULLTX_V25, "TX" },
90 { NSPR_PDPKTRACEFULLTX_V26, "TX" },
91 { NSPR_PDPKTRACEFULLTXB_V22, "TXB" },
92 { NSPR_PDPKTRACEFULLTXB_V23, "TXB" },
93 { NSPR_PDPKTRACEFULLTXB_V24, "TXB" },
94 { NSPR_PDPKTRACEFULLTXB_V25, "TXB" },
95 { NSPR_PDPKTRACEFULLTXB_V26, "TXB" },
96 { NSPR_PDPKTRACEFULLRX_V22, "RX" },
97 { NSPR_PDPKTRACEFULLRX_V23, "RX" },
98 { NSPR_PDPKTRACEFULLRX_V24, "RX" },
99 { NSPR_PDPKTRACEFULLRX_V25, "RX" },
100 { NSPR_PDPKTRACEFULLRX_V26, "RX" },
101 { NSPR_PDPKTRACEFULLNEWRX_V24, "NEW_RX" },
102 { NSPR_PDPKTRACEFULLNEWRX_V25, "NEW_RX" },
103 { NSPR_PDPKTRACEFULLNEWRX_V26, "NEW_RX" },
104 { NSPR_PDPKTRACEPARTTX_V22, "TX" },
105 { NSPR_PDPKTRACEPARTTX_V23, "TX" },
106 { NSPR_PDPKTRACEPARTTX_V24, "TX" },
107 { NSPR_PDPKTRACEPARTTX_V25, "TX" },
108 { NSPR_PDPKTRACEPARTTX_V26, "TX" },
109 { NSPR_PDPKTRACEPARTTXB_V22, "TXB" },
110 { NSPR_PDPKTRACEPARTTXB_V23, "TXB" },
111 { NSPR_PDPKTRACEPARTTXB_V24, "TXB" },
112 { NSPR_PDPKTRACEPARTTXB_V25, "TXB" },
113 { NSPR_PDPKTRACEPARTTXB_V26, "TXB" },
114 { NSPR_PDPKTRACEPARTRX_V22, "RX" },
115 { NSPR_PDPKTRACEPARTRX_V23, "RX" },
116 { NSPR_PDPKTRACEPARTRX_V24, "RX" },
117 { NSPR_PDPKTRACEPARTRX_V25, "RX" },
118 { NSPR_PDPKTRACEPARTRX_V26, "RX" },
119 { NSPR_PDPKTRACEPARTNEWRX_V24, "NEW_RX" },
120 { NSPR_PDPKTRACEPARTNEWRX_V25, "NEW_RX" },
121 { NSPR_PDPKTRACEPARTNEWRX_V26, "NEW_RX" },
122 { 0, NULL }
123 };
124
125 static dissector_handle_t eth_withoutfcs_handle;
126
127 #define CL_FP 0x01
128 #define CL_FR 0x02
129 #define CL_DFD 0x04
130 #define CL_RSS 0x08
131 #define CL_RSSH 0x10
132 #define CL_RES 0xE0
133
134 #define NS_PE_STATE_PERF_COLLECTION_IN_PROG 0x00000001
135 #define NS_PE_STATE_PCB_ZOMBIE_IN_PROG 0x00000002
136 #define NS_PE_STATE_NATPCB_ZOMBIE_IN_PROG 0x00000004
137 #define NS_PE_STATE_LBSTATS_SYNC_IN_PROG 0x00000008
138 #define NS_PE_STATE_STATS_REQ_IN_PROG 0x00000010
139
140 static void
141 dissect_nstrace(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
142 {
143 proto_tree *ns_tree = NULL, *flagtree = NULL;
144 proto_item *ti = NULL, *flagitem = NULL;
145 struct nstr_phdr *pnstr = &(pinfo->pseudo_header->nstr);
146 tvbuff_t *next_tvb_eth_client;
147 guint8 offset;
148 guint i, bpos;
149 wmem_strbuf_t *flags_strbuf = wmem_strbuf_new_label(wmem_packet_scope());
150 static const gchar *flags[] = {"FP", "FR", "DFD", "SRSS", "RSSH"};
151 gboolean first_flag = TRUE;
152 guint8 flagoffset, flagval;
153 guint8 src_vmname_len = 0, dst_vmname_len = 0;
154 guint8 variable_ns_len = 0;
155 guint flagval32;
156
157 wmem_strbuf_append(flags_strbuf, "None");
158
159 if (pnstr->rec_type == NSPR_HEADER_VERSION205)
160 {
161 src_vmname_len = tvb_get_guint8(tvb,pnstr->src_vmname_len_offset);
162 dst_vmname_len = tvb_get_guint8(tvb,pnstr->dst_vmname_len_offset);
163 variable_ns_len = src_vmname_len + dst_vmname_len;
164 pnstr->eth_offset += variable_ns_len;
165 }
166
167 ti = proto_tree_add_protocol_format(tree, proto_nstrace, tvb, 0, pnstr->eth_offset, "NetScaler Packet Trace");
168 ns_tree = proto_item_add_subtree(ti, ett_ns);
169
170 proto_tree_add_item(ns_tree, hf_ns_dir, tvb, pnstr->dir_offset, pnstr->dir_len, ENC_LITTLE_ENDIAN);
171 proto_tree_add_item(ns_tree, hf_ns_nicno, tvb, pnstr->nicno_offset, pnstr->nicno_len, ENC_LITTLE_ENDIAN);
172
173 switch (pnstr->rec_type)
174 {
175 case NSPR_HEADER_VERSION206:
176 flagoffset = pnstr->ns_activity_offset;
177 flagval32 = tvb_get_letohl(tvb, flagoffset);
178 flagitem = proto_tree_add_uint_format(ns_tree, hf_ns_activity, tvb, flagoffset, 4, flagval32,
179 "Activity Flags: 0x%04x", flagval32);
180 flagtree = proto_item_add_subtree(flagitem, ett_ns_activity_flags);
181 proto_tree_add_item(flagtree, hf_ns_activity_perf_collection, tvb, flagoffset, 4, ENC_LITTLE_ENDIAN);
182 proto_tree_add_item(flagtree, hf_ns_activity_pcb_zombie, tvb, flagoffset, 4, ENC_LITTLE_ENDIAN);
183 proto_tree_add_item(flagtree, hf_ns_activity_natpcb_zombie, tvb, flagoffset, 4, ENC_LITTLE_ENDIAN);
184 proto_tree_add_item(flagtree, hf_ns_activity_lbstats_sync, tvb, flagoffset, 4, ENC_LITTLE_ENDIAN);
185 proto_tree_add_item(flagtree, hf_ns_activity_stats_req, tvb, flagoffset, 4, ENC_LITTLE_ENDIAN);
186
187 case NSPR_HEADER_VERSION205:
188
189 if(src_vmname_len){
190 proto_tree_add_item(ns_tree,hf_ns_src_vm,tvb,pnstr->data_offset,src_vmname_len,ENC_LITTLE_ENDIAN);
191 }
192
193 if(dst_vmname_len){
194 proto_tree_add_item(ns_tree,hf_ns_dst_vm,tvb,pnstr->data_offset+src_vmname_len,dst_vmname_len,ENC_LITTLE_ENDIAN);
195 }
196
197
198 case NSPR_HEADER_VERSION204:
199
200 flagoffset = pnstr->clflags_offset;
201 flagval = tvb_get_guint8(tvb, flagoffset);
202
203 for (i = 0; i < 5; i++) {
204 bpos = 1 << i;
205 if (flagval & bpos) {
206 if (first_flag) {
207 wmem_strbuf_truncate(flags_strbuf, 0);
208 }
209 wmem_strbuf_append_printf(flags_strbuf, "%s%s", first_flag ? "" : ", ", flags[i]);
210 first_flag = FALSE;
211 }
212 }
213
214 proto_tree_add_item(ns_tree, hf_ns_snode, tvb, pnstr->srcnodeid_offset, 2, ENC_LITTLE_ENDIAN);
215 proto_tree_add_item(ns_tree, hf_ns_dnode, tvb, pnstr->destnodeid_offset, 2, ENC_LITTLE_ENDIAN);
216
217 flagitem = proto_tree_add_uint_format_value(ns_tree, hf_ns_clflags, tvb, flagoffset, 1, flagval,
218 "0x%02x (%s)", flagval, wmem_strbuf_get_str(flags_strbuf));
219 flagtree = proto_item_add_subtree(flagitem, ett_ns_flags);
220
221 proto_tree_add_boolean(flagtree, hf_ns_clflags_res, tvb, flagoffset, 1, flagval);
222 proto_tree_add_boolean(flagtree, hf_ns_clflags_rssh, tvb, flagoffset, 1, flagval);
223 proto_tree_add_boolean(flagtree, hf_ns_clflags_rss, tvb, flagoffset, 1, flagval);
224 proto_tree_add_boolean(flagtree, hf_ns_clflags_dfd, tvb, flagoffset, 1, flagval);
225 proto_tree_add_boolean(flagtree, hf_ns_clflags_fr, tvb, flagoffset, 1, flagval);
226 proto_tree_add_boolean(flagtree, hf_ns_clflags_fp, tvb, flagoffset, 1, flagval);
227
228 case NSPR_HEADER_VERSION203:
229 proto_tree_add_item(ns_tree, hf_ns_coreid, tvb, pnstr->coreid_offset, 2, ENC_LITTLE_ENDIAN);
230 /* fall through to next case */
231
232 case NSPR_HEADER_VERSION202:
233 col_add_fstr(pinfo->cinfo, COL_8021Q_VLAN_ID, "%d", tvb_get_letohs(tvb, pnstr->vlantag_offset));
234 proto_tree_add_item(ns_tree, hf_ns_vlantag, tvb, pnstr->vlantag_offset, 2, ENC_LITTLE_ENDIAN);
235 /* fall through to next case */
236
237 case NSPR_HEADER_VERSION201:
238 proto_tree_add_item(ns_tree, hf_ns_pcbdevno, tvb, pnstr->pcb_offset, 4, ENC_LITTLE_ENDIAN);
239 ti = proto_tree_add_item(ns_tree, hf_ns_devno, tvb, pnstr->pcb_offset, 4, ENC_LITTLE_ENDIAN);
240 PROTO_ITEM_SET_HIDDEN(ti);
241
242 proto_tree_add_item(ns_tree, hf_ns_l_pcbdevno, tvb, pnstr->l_pcb_offset, 4, ENC_LITTLE_ENDIAN);
243 ti = proto_tree_add_item(ns_tree, hf_ns_devno, tvb, pnstr->l_pcb_offset, 4, ENC_LITTLE_ENDIAN);
244 PROTO_ITEM_SET_HIDDEN(ti);
245
246 break;
247
248 default:
249 break;
250 }
251
252 /* Dissect as Ethernet */
253 offset = pnstr->eth_offset;
254 next_tvb_eth_client = tvb_new_subset_remaining(tvb, offset);
255 call_dissector(eth_withoutfcs_handle, next_tvb_eth_client, pinfo, tree);
256 }
257
258 void
259 proto_register_ns(void)
260 {
261 static hf_register_info hf[] = {
262
263 { &hf_ns_nicno,
264 { "Nic No", "nstrace.nicno",
265 FT_UINT8, BASE_DEC, NULL, 0x0,
266 NULL, HFILL }
267 },
268
269 { &hf_ns_src_vm,
270 { "Src Vm Name", "nstrace.src_vm",
271 FT_STRINGZ, BASE_NONE, NULL, 0x0,
272 NULL, HFILL }
273 },
274
275 { &hf_ns_dst_vm,
276 { "Dst Vm Name", "nstrace.dst_vm",
277 FT_STRINGZ, BASE_NONE, NULL, 0x0,
278 NULL, HFILL }
279 },
280
281 { &hf_ns_coreid,
282 { "Core Id", "nstrace.coreid",
283 FT_UINT16, BASE_DEC, NULL, 0x0,
284 NULL, HFILL }
285 },
286
287 { &hf_ns_dir,
288 { "Operation", "nstrace.dir",
289 FT_UINT8, BASE_HEX, VALS(ns_dir_vals), 0x0,
290 NULL, HFILL }
291 },
292
293 { &hf_ns_pcbdevno,
294 { "PcbDevNo", "nstrace.pdevno",
295 FT_UINT32, BASE_HEX, NULL, 0x0,
296 NULL, HFILL }
297 },
298
299 { &hf_ns_l_pcbdevno,
300 { "Linked PcbDevNo", "nstrace.l_pdevno",
301 FT_UINT32, BASE_HEX, NULL, 0x0,
302 NULL, HFILL }
303 },
304
305 { &hf_ns_devno,
306 { "DevNo", "nstrace.devno",
307 FT_UINT32, BASE_HEX, NULL, 0x0,
308 NULL, HFILL }
309 },
310
311 { &hf_ns_vlantag,
312 { "Vlan", "nstrace.vlan",
313 FT_UINT16, BASE_DEC, NULL, 0x0,
314 NULL, HFILL }
315 },
316
317 { &hf_ns_snode,
318 { "Source Node", "nstrace.snode",
319 FT_INT16, BASE_DEC, NULL, 0x0,
320 NULL, HFILL }
321 },
322
323 { &hf_ns_dnode,
324 { "Destination Node", "nstrace.dnode",
325 FT_INT16, BASE_DEC, NULL, 0x0,
326 NULL, HFILL }
327 },
328
329 { &hf_ns_clflags,
330 { "Cluster Flags", "nstrace.flags",
331 FT_UINT8, BASE_HEX, NULL, 0x0,
332 NULL, HFILL }
333 },
334
335 { &hf_ns_clflags_res,
336 { "Reserved", "nstrace.flags.res",
337 FT_BOOLEAN, 8, TFS(&tfs_set_notset), CL_RES,
338 NULL, HFILL}
339 },
340
341 { &hf_ns_clflags_rssh,
342 { "RSSHASH", "nstrace.flags.rssh",
343 FT_BOOLEAN, 8, TFS(&tfs_set_notset), CL_RSSH,
344 NULL, HFILL}
345 },
346
347 { &hf_ns_clflags_rss,
348 { "SRSS", "nstrace.flags.srss",
349 FT_BOOLEAN, 8, TFS(&tfs_set_notset), CL_RSS,
350 NULL, HFILL}
351 },
352
353 { &hf_ns_clflags_dfd,
354 { "DFD", "nstrace.flags.dfd",
355 FT_BOOLEAN, 8, TFS(&tfs_set_notset), CL_DFD,
356 NULL, HFILL}
357 },
358
359 { &hf_ns_clflags_fr,
360 { "Flow receiver (FR)", "nstrace.flags.fr",
361 FT_BOOLEAN, 8, TFS(&tfs_set_notset), CL_FR,
362 NULL, HFILL}
363 },
364
365 { &hf_ns_clflags_fp,
366 { "Flow processor (FP)", "nstrace.flags.fp",
367 FT_BOOLEAN, 8, TFS(&tfs_set_notset), CL_FP,
368 NULL, HFILL}
369 },
370
371 { &hf_ns_activity,
372 { "NetScaler Activity", "nstrace.activity",
373 FT_UINT32, BASE_HEX, NULL, 0x0,
374 NULL, HFILL}
375 },
376
377 { &hf_ns_activity_perf_collection,
378 { "Perf Collection", "nstrace.activity.perfcollection",
379 FT_BOOLEAN, 32, NULL, NS_PE_STATE_PERF_COLLECTION_IN_PROG,
380 NULL, HFILL}
381 },
382
383 { &hf_ns_activity_pcb_zombie,
384 { "PCB Zombie", "nstrace.activity.pcbzombie",
385 FT_BOOLEAN, 32, NULL, NS_PE_STATE_PCB_ZOMBIE_IN_PROG,
386 NULL, HFILL}
387 },
388
389 { &hf_ns_activity_natpcb_zombie,
390 { "NATPCB Zombie", "nstrace.activity.natpcbzombie",
391 FT_BOOLEAN, 32, NULL, NS_PE_STATE_NATPCB_ZOMBIE_IN_PROG,
392 NULL, HFILL}
393 },
394
395 { &hf_ns_activity_lbstats_sync,
396 { "LB Stats Sync", "nstrace.activity.lbstatssync",
397 FT_BOOLEAN, 32, NULL, NS_PE_STATE_LBSTATS_SYNC_IN_PROG,
398 NULL, HFILL}
399 },
400
401 { &hf_ns_activity_stats_req,
402 { "Stats Req", "nstrace.activity.statsreq",
403 FT_BOOLEAN, 32, NULL, NS_PE_STATE_STATS_REQ_IN_PROG,
404 NULL, HFILL}
405 },
406
407 };
408
409 static gint *ett[] = {
410 &ett_ns,
411 &ett_ns_flags,
412 &ett_ns_activity_flags,
413 };
414
415 proto_nstrace = proto_register_protocol("NetScaler Trace", "NS Trace", "ns");
416 proto_register_field_array(proto_nstrace, hf, array_length(hf));
417 proto_register_subtree_array(ett, array_length(ett));
418
419 }
420
421
422 void proto_reg_handoff_ns(void)
423 {
424 dissector_handle_t nstrace_handle;
425
426 eth_withoutfcs_handle = find_dissector("eth_withoutfcs");
427
428 nstrace_handle = create_dissector_handle(dissect_nstrace, proto_nstrace);
429 dissector_add_uint("wtap_encap", WTAP_ENCAP_NSTRACE_1_0, nstrace_handle);
430 dissector_add_uint("wtap_encap", WTAP_ENCAP_NSTRACE_2_0, nstrace_handle);
431 }