return;
}
- /* build protocol tree only, if tree is really used */
- if (tree) {
- /* build some "raw" data */
- u16FrameID = tvb_get_ntohs(tvb, 0);
- if (u16FrameID < 0x0100) {
- pszProtShort = "PN-RTC0";
- pszProtAddInfo = "Synchronization, ";
- pszProtSummary = "Isochronous-Real-Time";
- pszProtComment = "0x0000-0x00FF: Isochronous-Real-Time: Time-sync";
- bCyclic = TRUE;
- } else if (u16FrameID < 0x8000){
- pszProtShort = "PN-RTC3";
- pszProtAddInfo = "RTC3, ";
- pszProtSummary = "Isochronous-Real-Time";
- pszProtComment = "0x0100-0x7FFF: Isochronous-Real-Time(class=3): Cyclic";
- bCyclic = TRUE;
- } else if (u16FrameID < 0xbf00){
- pszProtShort = "PN-RTC2";
- pszProtAddInfo = "RTC2, ";
- pszProtSummary = "cyclic Real-Time";
- pszProtComment = "0x8000-0xBEFF: Real-Time(class=2): Cyclic";
- bCyclic = TRUE;
- } else if (u16FrameID < 0xc000){
- pszProtShort = "PN-RTC2";
- pszProtAddInfo = "Multicast, ";
- pszProtSummary = "cyclic Real-Time";
- pszProtComment = "0xBF00-0xBFFF: Real-Time(class=2 multicast): Cyclic";
- bCyclic = TRUE;
- } else if (u16FrameID < 0xfb00){
- pszProtShort = "PN-RTC1";
- pszProtAddInfo = "RTC1, ";
- pszProtSummary = "cyclic Real-Time";
- pszProtComment = "0xC000-0xFAFF: Real-Time(class=1): Cyclic";
- bCyclic = TRUE;
- } else if (u16FrameID < 0xfc00){
- pszProtShort = "PN-RTC1";
- pszProtAddInfo = "Multicast, ";
- pszProtSummary = "cyclic Real-Time";
- pszProtComment = "0xFB00-0xFBFF: Real-Time(class=1 multicast): Cyclic";
- bCyclic = TRUE;
- } else if (u16FrameID < 0xfe00){
- pszProtShort = "PN-RTA";
- pszProtAddInfo = "Reserved, ";
- pszProtSummary = "acyclic Real-Time";
- pszProtComment = "0xFC00-0xFDFF: Real-Time: Acyclic high priority";
- bCyclic = FALSE;
- if (u16FrameID == 0xfc01) {
- pszProtShort = "PN-RTA";
- pszProtAddInfo = "Alarm High, ";
- pszProtSummary = "acyclic Real-Time";
- pszProtComment = "Real-Time: Acyclic PN-IO Alarm high priority";
- }
- } else if (u16FrameID < 0xff00){
- pszProtShort = "PN-RTA";
- pszProtAddInfo = "Reserved, ";
- pszProtSummary = "acyclic Real-Time";
- pszProtComment = "0xFE00-0xFEFF: Real-Time: Acyclic low priority";
- bCyclic = FALSE;
- if (u16FrameID == 0xfe01) {
- pszProtShort = "PN-RTA";
- pszProtAddInfo = "Alarm Low, ";
- pszProtSummary = "acyclic Real-Time";
- pszProtComment = "Real-Time: Acyclic PN-IO Alarm low priority";
- }
- if (u16FrameID == 0xfefd) {
- pszProtShort = "PN-RTA";
- pszProtAddInfo = "";
- pszProtSummary = "acyclic Real-Time";
- pszProtComment = "Real-Time: DCP (Dynamic Configuration Protocol)";
- }
- if (u16FrameID == 0xfefe) {
- pszProtShort = "PN-RTA";
- pszProtAddInfo = "";
- pszProtSummary = "acyclic Real-Time";
- pszProtComment = "Real-Time: DCP (Dynamic Configuration Protocol) multicast response";
- }
- if (u16FrameID == 0xfeff) {
- pszProtShort = "PN-RTA";
- pszProtAddInfo = "";
- pszProtSummary = "acyclic Real-Time";
- pszProtComment = "Real-Time: DCP (Dynamic Configuration Protocol) multicast";
- }
- } else {
- pszProtShort = "PN-RT";
- pszProtAddInfo = "Reserved";
- pszProtSummary = "Real-Time";
- pszProtComment = "0xFF00-0xFFFF: reserved ID";
- bCyclic = FALSE;
- }
- /* decode optional cyclic fields at the packet end and build the summary line */
- if (bCyclic) {
- /* cyclic transfer has cycle counter, data status and transfer status fields at the end */
- u16CycleCounter = tvb_get_ntohs(tvb, tvb_len - 4);
- u8DataStatus = tvb_get_guint8(tvb, tvb_len - 2);
- u8TransferStatus = tvb_get_guint8(tvb, tvb_len - 1);
-
- snprintf (szFieldSummary, sizeof(szFieldSummary),
- "%sFrameID: 0x%04x, DataLen: %4u, Cycle: %5u (%s,%s,%s,%s)",
- pszProtAddInfo, u16FrameID, tvb_len - 2 - 4, u16CycleCounter,
- (u8DataStatus & 0x04) ? "Valid" : "Invalid",
- (u8DataStatus & 0x01) ? "Primary" : "Backup",
- (u8DataStatus & 0x20) ? "Ok" : "Problem",
- (u8DataStatus & 0x10) ? "Run" : "Stop");
-
- /* user data length is packet len - frame id - optional cyclic status fields */
- data_len = tvb_len - 2 - 4;
- } else {
- /* satisfy the gcc compiler, so it won't throw an "uninitialized" warning */
- u16CycleCounter = 0;
- u8DataStatus = 0;
- u8TransferStatus = 0;
-
- /* acyclic transfer has no fields at the end */
- snprintf (szFieldSummary, sizeof(szFieldSummary),
- "%sFrameID: 0x%04x, DataLen: %4u",
- pszProtAddInfo, u16FrameID, tvb_len - 2);
-
- /* user data length is packet len - frame id field */
- data_len = tvb_len - 2;
+ /* build some "raw" data */
+ u16FrameID = tvb_get_ntohs(tvb, 0);
+ if (u16FrameID < 0x0100) {
+ pszProtShort = "PN-RTC0";
+ pszProtAddInfo = "Synchronization, ";
+ pszProtSummary = "Isochronous-Real-Time";
+ pszProtComment = "0x0000-0x00FF: Isochronous-Real-Time: Time-sync";
+ bCyclic = TRUE;
+ } else if (u16FrameID < 0x8000){
+ pszProtShort = "PN-RTC3";
+ pszProtAddInfo = "RTC3, ";
+ pszProtSummary = "Isochronous-Real-Time";
+ pszProtComment = "0x0100-0x7FFF: Isochronous-Real-Time(class=3): Cyclic";
+ bCyclic = TRUE;
+ } else if (u16FrameID < 0xbf00){
+ pszProtShort = "PN-RTC2";
+ pszProtAddInfo = "RTC2, ";
+ pszProtSummary = "cyclic Real-Time";
+ pszProtComment = "0x8000-0xBEFF: Real-Time(class=2): Cyclic";
+ bCyclic = TRUE;
+ } else if (u16FrameID < 0xc000){
+ pszProtShort = "PN-RTC2";
+ pszProtAddInfo = "Multicast, ";
+ pszProtSummary = "cyclic Real-Time";
+ pszProtComment = "0xBF00-0xBFFF: Real-Time(class=2 multicast): Cyclic";
+ bCyclic = TRUE;
+ } else if (u16FrameID < 0xfb00){
+ pszProtShort = "PN-RTC1";
+ pszProtAddInfo = "RTC1, ";
+ pszProtSummary = "cyclic Real-Time";
+ pszProtComment = "0xC000-0xFAFF: Real-Time(class=1): Cyclic";
+ bCyclic = TRUE;
+ } else if (u16FrameID < 0xfc00){
+ pszProtShort = "PN-RTC1";
+ pszProtAddInfo = "Multicast, ";
+ pszProtSummary = "cyclic Real-Time";
+ pszProtComment = "0xFB00-0xFBFF: Real-Time(class=1 multicast): Cyclic";
+ bCyclic = TRUE;
+ } else if (u16FrameID < 0xfe00){
+ pszProtShort = "PN-RTA";
+ pszProtAddInfo = "Reserved, ";
+ pszProtSummary = "acyclic Real-Time";
+ pszProtComment = "0xFC00-0xFDFF: Real-Time: Acyclic high priority";
+ bCyclic = FALSE;
+ if (u16FrameID == 0xfc01) {
+ pszProtShort = "PN-RTA";
+ pszProtAddInfo = "Alarm High, ";
+ pszProtSummary = "acyclic Real-Time";
+ pszProtComment = "Real-Time: Acyclic PN-IO Alarm high priority";
+ }
+ } else if (u16FrameID < 0xff00){
+ pszProtShort = "PN-RTA";
+ pszProtAddInfo = "Reserved, ";
+ pszProtSummary = "acyclic Real-Time";
+ pszProtComment = "0xFE00-0xFEFF: Real-Time: Acyclic low priority";
+ bCyclic = FALSE;
+ if (u16FrameID == 0xfe01) {
+ pszProtShort = "PN-RTA";
+ pszProtAddInfo = "Alarm Low, ";
+ pszProtSummary = "acyclic Real-Time";
+ pszProtComment = "Real-Time: Acyclic PN-IO Alarm low priority";
+ }
+ if (u16FrameID == 0xfefd) {
+ pszProtShort = "PN-RTA";
+ pszProtAddInfo = "";
+ pszProtSummary = "acyclic Real-Time";
+ pszProtComment = "Real-Time: DCP (Dynamic Configuration Protocol)";
}
+ if (u16FrameID == 0xfefe) {
+ pszProtShort = "PN-RTA";
+ pszProtAddInfo = "";
+ pszProtSummary = "acyclic Real-Time";
+ pszProtComment = "Real-Time: DCP (Dynamic Configuration Protocol) multicast response";
+ }
+ if (u16FrameID == 0xfeff) {
+ pszProtShort = "PN-RTA";
+ pszProtAddInfo = "";
+ pszProtSummary = "acyclic Real-Time";
+ pszProtComment = "Real-Time: DCP (Dynamic Configuration Protocol) multicast";
+ }
+ } else {
+ pszProtShort = "PN-RT";
+ pszProtAddInfo = "Reserved";
+ pszProtSummary = "Real-Time";
+ pszProtComment = "0xFF00-0xFFFF: reserved ID";
+ bCyclic = FALSE;
+ }
+
+ /* decode optional cyclic fields at the packet end and build the summary line */
+ if (bCyclic) {
+ /* cyclic transfer has cycle counter, data status and transfer status fields at the end */
+ u16CycleCounter = tvb_get_ntohs(tvb, tvb_len - 4);
+ u8DataStatus = tvb_get_guint8(tvb, tvb_len - 2);
+ u8TransferStatus = tvb_get_guint8(tvb, tvb_len - 1);
+
+ snprintf (szFieldSummary, sizeof(szFieldSummary),
+ "%sFrameID: 0x%04x, DataLen: %4u, Cycle: %5u (%s,%s,%s,%s)",
+ pszProtAddInfo, u16FrameID, tvb_len - 2 - 4, u16CycleCounter,
+ (u8DataStatus & 0x04) ? "Valid" : "Invalid",
+ (u8DataStatus & 0x01) ? "Primary" : "Backup",
+ (u8DataStatus & 0x20) ? "Ok" : "Problem",
+ (u8DataStatus & 0x10) ? "Run" : "Stop");
+ /* user data length is packet len - frame id - optional cyclic status fields */
+ data_len = tvb_len - 2 - 4;
+ } else {
+ /* satisfy the gcc compiler, so it won't throw an "uninitialized" warning */
+ u16CycleCounter = 0;
+ u8DataStatus = 0;
+ u8TransferStatus = 0;
+
+ /* acyclic transfer has no fields at the end */
+ snprintf (szFieldSummary, sizeof(szFieldSummary),
+ "%sFrameID: 0x%04x, DataLen: %4u",
+ pszProtAddInfo, u16FrameID, tvb_len - 2);
+
+ /* user data length is packet len - frame id field */
+ data_len = tvb_len - 2;
+ }
+
+ /* build protocol tree only, if tree is really used */
+ if (tree) {
/* build pn_rt protocol tree with summary line */
if (pn_rt_summary_in_tree) {
ti = proto_tree_add_protocol_format(tree, proto_pn_rt, tvb, 0, -1,
"TransferStatus: 0x%02x (OK)", u8TransferStatus);
}
}
+ }
- /* update column info now */
- if (check_col(pinfo->cinfo, COL_INFO))
- col_add_fstr(pinfo->cinfo, COL_INFO, szFieldSummary);
- if (check_col(pinfo->cinfo, COL_PROTOCOL))
- col_add_str(pinfo->cinfo, COL_PROTOCOL, pszProtShort);
+ /* update column info now */
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_add_fstr(pinfo->cinfo, COL_INFO, szFieldSummary);
+ if (check_col(pinfo->cinfo, COL_PROTOCOL))
+ col_add_str(pinfo->cinfo, COL_PROTOCOL, pszProtShort);
- pinfo->private_data = GUINT_TO_POINTER(u16FrameID);
+ pinfo->private_data = GUINT_TO_POINTER( (guint32) u16FrameID);
- /* get frame user data tvb (without header and footer) */
- next_tvb = tvb_new_subset(tvb, 2, data_len, data_len);
+ /* get frame user data tvb (without header and footer) */
+ next_tvb = tvb_new_subset(tvb, 2, data_len, data_len);
- /* ask heuristics, if some sub-dissector is interested in this packet payload */
- if(!dissector_try_heuristic(heur_subdissector_list, next_tvb, pinfo, tree)) {
- /*if (check_col(pinfo->cinfo, COL_INFO))
- col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown");*/
+ /* ask heuristics, if some sub-dissector is interested in this packet payload */
+ if(!dissector_try_heuristic(heur_subdissector_list, next_tvb, pinfo, tree)) {
+ /*if (check_col(pinfo->cinfo, COL_INFO))
+ col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown");*/
- /* Oh, well, we don't know this; dissect it as data. */
- call_dissector(data_handle, next_tvb, pinfo, tree);
- }
+ /* Oh, well, we don't know this; dissect it as data. */
+ call_dissector(data_handle, next_tvb, pinfo, tree);
}
}
{ &hf_pn_rt_data_status_res67, {
"Reserved (should be zero)", "pn_rt.ds_res67", FT_UINT8, BASE_HEX, 0, 0xc0, "", HFILL }},
{ &hf_pn_rt_data_status_ok, {
- "StationProblemIndicator: 1:Ok/0:Problem", "pn_rt.ds_ok", FT_UINT8, BASE_HEX, 0, 0x20, "", HFILL }},
+ "StationProblemIndicator (1:Ok/0:Problem)", "pn_rt.ds_ok", FT_UINT8, BASE_HEX, 0, 0x20, "", HFILL }},
{ &hf_pn_rt_data_status_operate, {
- "ProviderState: 1:Run/0:Stop", "pn_rt.ds_operate", FT_UINT8, BASE_HEX, 0, 0x10, "", HFILL }},
+ "ProviderState (1:Run/0:Stop)", "pn_rt.ds_operate", FT_UINT8, BASE_HEX, 0, 0x10, "", HFILL }},
{ &hf_pn_rt_data_status_res3, {
"Reserved (should be zero)", "pn_rt.ds_res3", FT_UINT8, BASE_HEX, 0, 0x08, "", HFILL }},
{ &hf_pn_rt_data_status_valid, {
- "DataValid: 1:Valid/0:Invalid", "pn_rt.ds_valid", FT_UINT8, BASE_HEX, 0, 0x04, "", HFILL }},
+ "DataValid (1:Valid/0:Invalid)", "pn_rt.ds_valid", FT_UINT8, BASE_HEX, 0, 0x04, "", HFILL }},
{ &hf_pn_rt_data_status_res1, {
"Reserved (should be zero)", "pn_rt.ds_res1", FT_UINT8, BASE_HEX, 0, 0x02, "", HFILL }},
{ &hf_pn_rt_data_status_primary, {
- "State: 1:Primary/0:Backup", "pn_rt.ds_primary", FT_UINT8, BASE_HEX, 0, 0x01, "", HFILL }},
+ "State (1:Primary/0:Backup)", "pn_rt.ds_primary", FT_UINT8, BASE_HEX, 0, 0x01, "", HFILL }},
{ &hf_pn_rt_transfer_status,
{ "TransferStatus", "pn_rt.transfer_status", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }},
{ &hf_pn_rt_malformed,
git.samba.org / obnox / wireshark / wip.git / blobdiff