diff options
Diffstat (limited to 'plugins/docsis/packet-tlv-cmctrl.c')
| -rw-r--r-- | plugins/docsis/packet-tlv-cmctrl.c | 368 |
1 files changed, 0 insertions, 368 deletions
diff --git a/plugins/docsis/packet-tlv-cmctrl.c b/plugins/docsis/packet-tlv-cmctrl.c deleted file mode 100644 index b51d6d2a04..0000000000 --- a/plugins/docsis/packet-tlv-cmctrl.c +++ /dev/null @@ -1,368 +0,0 @@ -/* packet-tlv-cmctrl.c - * Routines to Dissect TLV's for CM-Control Messages - * Copyright 2010, Guido Reismueller <g.reismueller[AT]avm.de> - * - * Wireshark - Network traffic analyzer - * By Gerald Combs <gerald@wireshark.org> - * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" - -#include <epan/packet.h> -#include <epan/expert.h> - -#define CM_CTRL_MUTE 1 -#define CM_CTRL_MUTE_TIMEOUT 2 -#define CM_CTRL_REINIT 3 -#define CM_CTRL_DISABLE_FWD 4 -#define CM_CTRL_DS_EVENT 5 -#define CM_CTRL_US_EVENT 6 -#define CM_CTRL_EVENT 7 - -#define DS_EVENT_CH_ID 1 -#define DS_EVENT_MASK 2 - -#define US_EVENT_CH_ID 1 -#define US_EVENT_MASK 2 - -void proto_register_cmctrl_tlv(void); -void proto_reg_handoff_cmctrl_tlv(void); - -/* Initialize the protocol and registered fields */ -static int proto_cmctrl_tlv = -1; -static int hf_cmctrl_tlv_mute = -1; -static int hf_cmctrl_tlv_mute_timeout = -1; -static int hf_cmctrl_tlv_reinit = -1; -static int hf_cmctrl_tlv_disable_fwd = -1; -static int hf_cmctrl_tlv_ds_event = -1; -/* static int hf_cmctrl_tlv_us_event = -1; */ -static int hf_cmctrl_tlv_event = -1; - -static int hf_ds_event_ch_id = -1; -static int hf_ds_event_mask = -1; - -static int hf_us_event_ch_id = -1; -static int hf_us_event_mask = -1; - -/* Initialize the subtree pointers */ -static gint ett_cmctrl_tlv = -1; -static gint ett_cmctrl_tlv_ds_event = -1; -static gint ett_cmctrl_tlv_us_event = -1; - -static expert_field ei_docsis_cmctrl_tlv_tlvlen_bad = EI_INIT; - -/* Dissection */ -static void -dissect_ds_event(tvbuff_t * tvb, packet_info* pinfo, proto_tree *tree, int start, guint16 len) -{ - guint8 type, length; - proto_tree *event_tree; - proto_item *event_item; - int pos = start; - - event_tree = - proto_tree_add_subtree_format(tree, tvb, start, len, ett_cmctrl_tlv_ds_event, &event_item, - "Override Downstream Status Event Event Mask (Length = %u)", len); - - while (pos < (start + len)) - { - type = tvb_get_guint8 (tvb, pos++); - length = tvb_get_guint8 (tvb, pos++); - switch (type) - { - case DS_EVENT_CH_ID: - if (length == 1) - { - proto_tree_add_item (event_tree, hf_ds_event_ch_id, - tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, event_item, &ei_docsis_cmctrl_tlv_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case DS_EVENT_MASK: - if (length == 2) - { - proto_tree_add_item (event_tree, hf_ds_event_mask, - tvb, pos, length, ENC_NA); - } - else - { - expert_add_info_format(pinfo, event_item, &ei_docsis_cmctrl_tlv_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - } /* switch */ - pos = pos + length; - } /* while */ -} - -static void -dissect_us_event(tvbuff_t * tvb, packet_info* pinfo, proto_tree *tree, int start, guint16 len) -{ - guint8 type, length; - proto_tree *event_tree; - proto_item *event_item; - int pos = start; - - event_tree = - proto_tree_add_subtree_format(tree, tvb, start, len, ett_cmctrl_tlv_us_event, &event_item, - "Override Upstream Status Enable Event Mask (Length = %u)", len); - - while (pos < (start + len)) - { - type = tvb_get_guint8 (tvb, pos++); - length = tvb_get_guint8 (tvb, pos++); - switch (type) - { - case US_EVENT_CH_ID: - if (length == 1) - { - proto_tree_add_item (event_tree, hf_us_event_ch_id, - tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, event_item, &ei_docsis_cmctrl_tlv_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case US_EVENT_MASK: - if (length == 2) - { - proto_tree_add_item (event_tree, hf_us_event_mask, - tvb, pos, length, ENC_NA); - } - else - { - expert_add_info_format(pinfo, event_item, &ei_docsis_cmctrl_tlv_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - } /* switch */ - pos = pos + length; - } /* while */ -} - -static int -dissect_cmctrl_tlv (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data _U_) -{ - proto_item *it; - proto_tree *tlv_tree; - int pos = 0; - gint total_len; - guint8 type, length; - - total_len = tvb_reported_length_remaining (tvb, 0); - - it = - proto_tree_add_protocol_format (tree, proto_cmctrl_tlv, tvb, 0, - total_len, "TLV Data"); - tlv_tree = proto_item_add_subtree (it, ett_cmctrl_tlv); - - while (pos < total_len) - { - type = tvb_get_guint8 (tvb, pos++); - length = tvb_get_guint8 (tvb, pos++); - switch (type) - { - case CM_CTRL_MUTE: - if (length == 1) - { - proto_tree_add_item (tlv_tree, hf_cmctrl_tlv_mute, - tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, it, &ei_docsis_cmctrl_tlv_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case CM_CTRL_MUTE_TIMEOUT: - if (length == 4 || length == 1) /* response TLV always with len 1 */ - { - proto_tree_add_item (tlv_tree, hf_cmctrl_tlv_mute_timeout, - tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, it, &ei_docsis_cmctrl_tlv_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case CM_CTRL_REINIT: - if (length == 1) - { - proto_tree_add_item (tlv_tree, hf_cmctrl_tlv_reinit, - tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, it, &ei_docsis_cmctrl_tlv_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case CM_CTRL_DISABLE_FWD: - if (length == 1) - { - proto_tree_add_item (tlv_tree, hf_cmctrl_tlv_disable_fwd, - tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, it, &ei_docsis_cmctrl_tlv_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case CM_CTRL_DS_EVENT: - if (length == 1) - proto_tree_add_item (tlv_tree, hf_cmctrl_tlv_ds_event, - tvb, pos, length, ENC_NA); - else - dissect_ds_event(tvb, pinfo, tlv_tree, pos, length); - break; - case CM_CTRL_US_EVENT: - if (length == 1) - proto_tree_add_item (tlv_tree, hf_cmctrl_tlv_ds_event, - tvb, pos, length, ENC_NA); - else - dissect_us_event(tvb, pinfo, tlv_tree, pos, length); - break; - case CM_CTRL_EVENT: - if (length == 2 || length == 1) /* response TLV always with len 1 */ - { - proto_tree_add_item (tlv_tree, hf_cmctrl_tlv_event, - tvb, pos, length, ENC_NA); - } - else - { - expert_add_info_format(pinfo, it, &ei_docsis_cmctrl_tlv_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - - } /* switch */ - pos = pos + length; - } /* while */ - return tvb_captured_length(tvb); -} - -/* Register the protocol with Wireshark */ -void -proto_register_cmctrl_tlv (void) -{ - static hf_register_info hf[] = { - {&hf_cmctrl_tlv_mute, - {"1 Upstream Channel RF Mute", "cmctrl_tlv.mute", - FT_UINT8, BASE_DEC, NULL, 0x0, - "Upstream Channel RF Mute", HFILL} - }, - {&hf_cmctrl_tlv_mute_timeout, - {"2 RF Mute Timeout Interval", "cmctrl_tlv.mute_timeout", - FT_UINT32, BASE_DEC, NULL, 0x0, - "RF Mute Timeout Interval", HFILL} - }, - {&hf_cmctrl_tlv_reinit, - {"3 CM Reinitialize", "cmctrl_tlv.reinit", - FT_UINT8, BASE_DEC, NULL, 0x0, - "CM Reinitialize", HFILL} - }, - {&hf_cmctrl_tlv_disable_fwd, - {"4 Disable Forwarding", "cmctrl_tlv.disable_fwd", - FT_UINT8, BASE_DEC, NULL, 0x0, - "Disable Forwarding", HFILL} - }, - {&hf_cmctrl_tlv_ds_event, - {"5 Override Downstream Events", "cmctrl_tlv.ds_event", - FT_BYTES, BASE_NONE, NULL, 0x0, - "Override Downstream Events", HFILL} - }, - {&hf_ds_event_ch_id, - {".1 Downstream Channel ID", "cmctrl_tlv.ds_event.chid", - FT_UINT8, BASE_DEC, NULL, 0x0, - "Downstream Channel ID", HFILL} - }, - {&hf_ds_event_mask, - {".2 Downstream Status Event Enable Bitmask", "cmctrl_tlv.ds_event.mask", - FT_BYTES, BASE_NONE, NULL, 0x0, - "Downstream Status Event Enable Bitmask", HFILL} - }, -#if 0 - {&hf_cmctrl_tlv_us_event, - {"6 Override Upstream Events", "cmctrl_tlv.us_event", - FT_BYTES, BASE_NONE, NULL, 0x0, - "Override Downstream Events", HFILL} - }, -#endif - {&hf_us_event_ch_id, - {".1 Upstream Channel ID", "cmctrl_tlv.us_event.chid", - FT_UINT8, BASE_DEC, NULL, 0x0, - "Upstream Channel ID", HFILL} - }, - {&hf_us_event_mask, - {".2 Upstream Status Event Enable Bitmask", "cmctrl_tlv.us_event.mask", - FT_BYTES, BASE_NONE, NULL, 0x0, - "Upstream Status Event Enable Bitmask", HFILL} - }, - {&hf_cmctrl_tlv_event, - {"7 Override Non-Channel-Specific Events", "cmctrl_tlv.event", - FT_BYTES, BASE_NONE, NULL, 0x0, - "Override Non-Channel-Specific Events", HFILL} - }, - }; - - static gint *ett[] = { - &ett_cmctrl_tlv, - &ett_cmctrl_tlv_ds_event, - &ett_cmctrl_tlv_us_event, - }; - - static ei_register_info ei[] = { - {&ei_docsis_cmctrl_tlv_tlvlen_bad, { "cmctrl_tlv.tlvlenbad", PI_MALFORMED, PI_ERROR, "Bad TLV length", EXPFILL}}, - }; - - expert_module_t* expert_docsis_cmctrl_tlv; - - proto_cmctrl_tlv = proto_register_protocol ("DOCSIS CM-CTRL TLV's", - "DOCSIS CM-CTRL TLVs", "cmctrl_tlv"); - - proto_register_field_array (proto_cmctrl_tlv, hf, array_length (hf)); - proto_register_subtree_array (ett, array_length (ett)); - expert_docsis_cmctrl_tlv = expert_register_protocol(proto_cmctrl_tlv); - expert_register_field_array(expert_docsis_cmctrl_tlv, ei, array_length(ei)); - - register_dissector ("cmctrl_tlv", dissect_cmctrl_tlv, proto_cmctrl_tlv); -} - -void -proto_reg_handoff_cmctrl_tlv (void) -{ -#if 0 - dissector_handle_t cmctrl_tlv_handle; - - cmctrl_tlv_handle = find_dissector ("cmctrl_tlv"); - - dissector_add_uint ("docsis", 0xFE, cmctrl_tlv_handle); -#endif -} - -/* - * Editor modelines - http://www.wireshark.org/tools/modelines.html - * - * Local Variables: - * c-basic-offset: 2 - * tab-width: 8 - * indent-tabs-mode: nil - * End: - * - * ex: set shiftwidth=2 tabstop=8 expandtab: - * :indentSize=2:tabSize=8:noTabs=true: - */ |