static int
dissect_PNMRP_LinkDown(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, proto_item *item)
{
guint16 port_role;
guint16 interval;
guint16 blocked;
/* MRP_PortRole */
offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_port_role, &port_role);
/* MRP_Interval */
offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_interval, &interval);
/* MRP_Blocked */
offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_blocked, &blocked);
/* Padding */
offset = dissect_pn_align4(tvb, offset, pinfo, tree);
col_append_str(pinfo->cinfo, COL_INFO, "LinkDown");
proto_item_append_text(item, "LinkDown");
return offset;
}
static int
dissect_PNMRP_Option(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, proto_item *item, guint8 length)
{
guint32 oui;
/* OUI (organizational unique id) */
offset = dissect_pn_oid(tvb, offset, pinfo,tree, hf_pn_mrp_oui, &oui);
length -= 3;
switch (oui)
{
case OUI_SIEMENS:
proto_item_append_text(item, "Option(SIEMENS)");
/* Padding */
if (offset % 4) {
length -= 4 - (offset % 4);
offset = dissect_pn_align4(tvb, offset, pinfo, tree);
}
if(length != 0) {
offset = dissect_pn_undecoded(tvb, offset, pinfo, tree, length);
}
col_append_str(pinfo->cinfo, COL_INFO, "Option(Siemens)");
break;
default:
proto_item_append_text(item, "Option(Unknown-OUI)");
offset = dissect_pn_undecoded(tvb, offset, pinfo, tree, length);
col_append_str(pinfo->cinfo, COL_INFO, "Option");
}
offset += length;
/* Padding */
offset = dissect_pn_align4(tvb, offset, pinfo, tree);
return offset;
}
static int
dissect_PNMRRT_Test(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, proto_item *item, guint8 length _U_)
{
guint8 mac[6];
/* MRRT_SA */
offset = dissect_pn_mac(tvb, offset, pinfo, tree, hf_pn_mrrt_sa, mac);
/* Padding */
offset = dissect_pn_align4(tvb, offset, pinfo, tree);
col_append_str(pinfo->cinfo, COL_INFO, "Test");
proto_item_append_text(item, "Test");
return offset;
}
static int
dissect_PNMRP_Test(tvbuff_t *tvb, int offset,
packet_info *pinfo, proto_tree *tree, proto_item *item)
{
guint16 prio;
guint8 mac[6];
guint16 port_role;
guint16 ring_state;
guint16 transition;
guint16 time_stamp;
/* MRP_Prio */
offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_prio, &prio);
/* MRP_SA */
offset = dissect_pn_mac(tvb, offset, pinfo, tree, hf_pn_mrp_sa, mac);
/* MRP_PortRole */
offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_port_role, &port_role);
/* MRP_RingState */
offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_ring_state, &ring_state);
/* MRP_Transition */
offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_transition, &transition);
/* MRP_TimeStamp */
offset = dissect_pn_uint16(tvb, offset, pinfo, tree, hf_pn_mrp_time_stamp, &time_stamp);
/* Padding */
offset = dissect_pn_align4(tvb, offset, pinfo, tree);
col_append_str(pinfo->cinfo, COL_INFO, "Test");
proto_item_append_text(item, "Test");
return offset;
}