Add Support for IEEE DCBx (8021az)

Sample captures attached at https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=10055

Closed-bug:10055
Change-Id: Ib10e8d2a8aecdcf488eb174ed76a259433528f4a
Signed-off-by: Anish Bhatt <anish@chelsio.com>
Reviewed-on: https://code.wireshark.org/review/1403
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Alexis La Goutte <alexis.lagoutte@gmail.com>

diff --git a/epan/dissectors/packet-lldp.c b/epan/dissectors/packet-lldp.c
index 430d45071cb4a2786fa3ba7e5517f36cd8c31324..992a45cca0fa2cfb778aa5eadf5c961daee32bbf 100644 (file)
--- a/epan/dissectors/packet-lldp.c
+++ b/epan/dissectors/packet-lldp.c
@@ -125,6 +125,21 @@ static int hf_ieee_802_1_subtype = -1;
 static int hf_ieee_802_1_port_and_vlan_id_flag = -1;
 static int hf_ieee_802_1_port_and_vlan_id_flag_supported = -1;
 static int hf_ieee_802_1_port_and_vlan_id_flag_enabled = -1;
+static int hf_ieee_8021az_feature_flag_willing = -1;
+static int hf_ieee_8021az_feature_flag_cbs = -1;
+static int hf_ieee_8021az_maxtcs = -1;
+static int hf_ieee_8021az_tsa_class0 = -1;
+static int hf_ieee_8021az_tsa_class1 = -1;
+static int hf_ieee_8021az_tsa_class2 = -1;
+static int hf_ieee_8021az_tsa_class3 = -1;
+static int hf_ieee_8021az_tsa_class4 = -1;
+static int hf_ieee_8021az_tsa_class5 = -1;
+static int hf_ieee_8021az_tsa_class6 = -1;
+static int hf_ieee_8021az_tsa_class7 = -1;
+static int hf_ieee_8021az_feature_flag_mbc = -1;
+static int hf_ieee_8021az_pfc_numtcs = -1;
+static int hf_ieee_8021az_app_prio = -1;
+static int hf_ieee_8021az_app_selector = -1;
 static int hf_ieee_802_3_subtype = -1;
 static int hf_ieee_802_3_mac_phy_auto_neg_status = -1;
 static int hf_ieee_802_3_mac_phy_auto_neg_status_supported = -1;
@@ -252,6 +267,11 @@ static gint ett_org_spc_ieee_802_1_1 = -1;
 static gint ett_org_spc_ieee_802_1_2 = -1;
 static gint ett_org_spc_ieee_802_1_3 = -1;
 static gint ett_org_spc_ieee_802_1_4 = -1;
+static gint ett_org_spc_ieee_802_1_9 = -1;
+static gint ett_org_spc_ieee_802_1_a = -1;
+static gint ett_org_spc_ieee_802_1_b = -1;
+static gint ett_org_spc_ieee_802_1_c = -1;
+static gint ett_org_spc_ieee_dcbx_app = -1;
 
 static gint ett_org_spc_ieee_802_3_1 = -1;
 static gint ett_org_spc_ieee_802_3_2 = -1;
@@ -372,6 +392,31 @@ static const value_string ieee_802_1_subtypes[] = {
        { 0x02, "Port and Protocol VLAN ID" },
        { 0x03, "VLAN Name" },
        { 0x04, "Protocol Identity" },
+       { 0x09, "ETS Configuration" },
+       { 0x0A, "ETS Recommendation" },
+       { 0x0B, "Priority Flow Control Configuration" },
+       { 0x0C, "Application Protocol" },
+       { 0, NULL }
+};
+
+static const value_string dcbx_ieee_8021az_tsa[] = {
+       { 0,    "Strict Priority" },
+       { 1,    "Credit-Based Shaper" },
+       { 2,    "Enhanced Transmission Selection" },
+       /* All other bits Reserved */
+       { 255,  "Vendor Specific Algorithm" },
+       { 0, NULL }
+};
+
+static const value_string dcbx_ieee_8021az_sf[] = {
+       { 0,    "Reserved" },
+       { 1,    "Default or Ethertype" },
+       { 2,    "Port over TCP/SCTP" },
+       { 3,    "Port over UDP/DCCP" },
+       { 4,    "Port over TCP/SCTP/UDP/DCCP" },
+       { 5,    "Reserved" },
+       { 6,    "Reserved" },
+       { 7,    "Reserved" },
        { 0, NULL }
 };
 
@@ -1586,10 +1631,11 @@ dissect_ieee_802_1_tlv(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
 {
        guint8 subType;
        guint8 tempByte;
-       guint16 tempShort;
+       guint16 tempShort, appCount;
        guint32 tempOffset = offset;
 
        proto_tree      *vlan_flags_tree = NULL;
+       proto_tree      *apptlv_tree = NULL;
        proto_item      *tf = NULL;
 
        /* Get subtype */
@@ -1675,6 +1721,243 @@ dissect_ieee_802_1_tlv(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
 
                break;
        }
+       case 0x9:       /* ETS Configuration */
+       {
+               if (tree) {
+                       proto_tree_add_item(tree, hf_ieee_8021az_feature_flag_willing, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_ieee_8021az_feature_flag_cbs, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_ieee_8021az_maxtcs, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       /* Priority Assignment Table */
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_0, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_1, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_2, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_3, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+
+                       tempOffset +=2;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_4, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_5, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_6, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_7, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+
+                       tempOffset +=2;
+
+                       /* TC Bandwidth Table */
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_0, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_1, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_2, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_3, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_4, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_5, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_6, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_7, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       /* TSA Assignment Table */
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class0, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class1, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class2, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class3, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class4, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class5, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class6, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class7, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+               }
+
+               break;
+       }
+       case 0xA:       /* ETS Recommendation */
+       {
+               if (tree) {
+                       tempByte = tvb_get_guint8(tvb, tempOffset);
+
+                       proto_tree_add_text(tree, tvb, tempOffset, 1, "Reserved 0x%X", tempByte);
+
+                       tempOffset++;
+
+                       /* Priority Assignment Table */
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_0, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_1, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_2, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_3, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+
+                       tempOffset +=2;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_4, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_5, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_6, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pgid_prio_7, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+
+                       tempOffset +=2;
+
+                       /* TC Bandwidth Table */
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_0, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_1, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_2, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_3, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_4, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_5, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_6, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pg_per_7, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       /* TSA Assignment Table */
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class0, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class1, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class2, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class3, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class4, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class5, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class6, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_ieee_8021az_tsa_class7, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+               }
+               break;
+       }
+       case 0xB:       /* PFC Configuration */
+       {
+               if (tree) {
+                       proto_tree_add_item(tree, hf_ieee_8021az_feature_flag_willing, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_ieee_8021az_feature_flag_mbc, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_ieee_8021az_pfc_numtcs, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+
+                       proto_tree_add_item(tree, hf_dcbx_feature_pfc_prio0, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pfc_prio1, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pfc_prio2, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pfc_prio3, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pfc_prio4, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pfc_prio5, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pfc_prio6, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+                       proto_tree_add_item(tree, hf_dcbx_feature_pfc_prio7, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                       tempOffset++;
+               }
+               break;
+       }
+       case 0xC:       /* Application Priority */
+       {
+               if (tree) {
+                       tempByte = tvb_get_guint8(tvb, tempOffset);
+
+                       proto_tree_add_text(tree, tvb, tempOffset, 1, "Reserved 0x%X", tempByte);
+
+                       tempOffset++;
+
+                       appCount = tvb_reported_length_remaining(tvb, tempOffset)/3;
+
+                       while(appCount--) {
+                               tempShort = tvb_get_ntohs(tvb, tempOffset + 1);
+
+                               tf = proto_tree_add_text(tree, tvb, tempOffset, 3, "%s Application",
+                                                val_to_str_const(tempShort, dcbx_app_types, "Unknown"));
+                               apptlv_tree = proto_item_add_subtree(tf, ett_org_spc_ieee_dcbx_app);
+
+                               proto_tree_add_item(apptlv_tree, hf_ieee_8021az_app_prio, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+                               proto_tree_add_item(apptlv_tree, hf_ieee_8021az_app_selector, tvb, tempOffset, 1, ENC_BIG_ENDIAN);
+
+                               tempOffset++;
+
+                               proto_tree_add_item(apptlv_tree, hf_dcbx_feature_app_proto, tvb, tempOffset, 2, ENC_BIG_ENDIAN);
+
+                               tempOffset += 2;
+                       }
+               }
+               break;
+       }
        }
 
        return;
@@ -2714,13 +2997,21 @@ dissect_organizational_specific_tlv(tvbuff_t *tvb, packet_info *pinfo, proto_tre
                subTypeStr = val_to_str(subType, ieee_802_1_subtypes, "Unknown subtype 0x%x");
                switch(subType)
                {
-               case 1: tempTree = ett_org_spc_ieee_802_1_1;
+               case 0x1:       tempTree = ett_org_spc_ieee_802_1_1;
+                       break;
+               case 0x2:       tempTree = ett_org_spc_ieee_802_1_2;
+                       break;
+               case 0x3:       tempTree = ett_org_spc_ieee_802_1_3;
+                       break;
+               case 0x4:       tempTree = ett_org_spc_ieee_802_1_4;
                        break;
-               case 2: tempTree = ett_org_spc_ieee_802_1_2;
+               case 0x9:       tempTree = ett_org_spc_ieee_802_1_9;
                        break;
-               case 3: tempTree = ett_org_spc_ieee_802_1_3;
+               case 0xa:       tempTree = ett_org_spc_ieee_802_1_a;
                        break;
-               case 4: tempTree = ett_org_spc_ieee_802_1_4;
+               case 0xb:       tempTree = ett_org_spc_ieee_802_1_b;
+                       break;
+               case 0xc:       tempTree = ett_org_spc_ieee_802_1_c;
                        break;
                }
                break;
@@ -3317,6 +3608,66 @@ proto_register_lldp(void)
                        { "Port and Protocol VLAN", "lldp.ieee.802_1.port_and_vlan_id_flag.enabled", FT_BOOLEAN, 8,
                        TFS(&tfs_enabled_disabled), 0x04, NULL, HFILL }
                },
+               { &hf_ieee_8021az_feature_flag_willing,
+                       { "Willing", "lldp.dcbx.ieee.willing", FT_BOOLEAN , 8,
+                       TFS(&tfs_yes_no), 0x80, NULL, HFILL }
+               },
+               { &hf_ieee_8021az_feature_flag_cbs,
+                       { "Credit-Based Shaper", "lldp.dcbx.ieee.ets.cbs", FT_BOOLEAN, 8,
+                       TFS(&tfs_supported_not_supported), 0x40, NULL, HFILL }
+               },
+               { &hf_ieee_8021az_maxtcs,
+                       { "Maximum Number of Traffic Classes", "lldp.dcbx.ieee.ets.maxtcs", FT_UINT8, BASE_DEC,
+                       NULL, 0x7, NULL, HFILL }
+               },
+               { &hf_ieee_8021az_tsa_class0,
+                       { "TSA for Traffic Class 0", "lldp.dcbx.ieee.ets.tsa0", FT_UINT8, BASE_DEC,
+                       VALS(dcbx_ieee_8021az_tsa), 0, "Reserved", HFILL }
+               },
+               { &hf_ieee_8021az_tsa_class1,
+                       { "TSA for Traffic Class 1", "lldp.dcbx.ieee.ets.tsa1", FT_UINT8, BASE_DEC,
+                       VALS(dcbx_ieee_8021az_tsa), 0, "Reserved", HFILL }
+               },
+               { &hf_ieee_8021az_tsa_class2,
+                       { "TSA for Traffic Class 2", "lldp.dcbx.ieee.ets.tsa2", FT_UINT8, BASE_DEC,
+                       VALS(dcbx_ieee_8021az_tsa), 0, "Reserved", HFILL }
+               },
+               { &hf_ieee_8021az_tsa_class3,
+                       { "TSA for Traffic Class 3", "lldp.dcbx.ieee.ets.tsa3", FT_UINT8, BASE_DEC,
+                       VALS(dcbx_ieee_8021az_tsa), 0, "Reserved", HFILL }
+               },
+               { &hf_ieee_8021az_tsa_class4,
+                       { "TSA for Traffic Class 4", "lldp.dcbx.ieee.ets.tsa4", FT_UINT8, BASE_DEC,
+                       VALS(dcbx_ieee_8021az_tsa), 0, "Reserved", HFILL }
+               },
+               { &hf_ieee_8021az_tsa_class5,
+                       { "TSA for Traffic Class 5", "lldp.dcbx.ieee.ets.tsa5", FT_UINT8, BASE_DEC,
+                       VALS(dcbx_ieee_8021az_tsa), 0, "Reserved", HFILL }
+               },
+               { &hf_ieee_8021az_tsa_class6,
+                       { "TSA for Traffic Class 6", "lldp.dcbx.ieee.ets.tsa6", FT_UINT8, BASE_DEC,
+                       VALS(dcbx_ieee_8021az_tsa), 0, "Reserved", HFILL }
+               },
+               { &hf_ieee_8021az_tsa_class7,
+                       { "TSA for Traffic Class 7", "lldp.dcbx.ieee.ets.tsa7", FT_UINT8, BASE_DEC,
+                       VALS(dcbx_ieee_8021az_tsa), 0, "Reserved", HFILL }
+               },
+               { &hf_ieee_8021az_feature_flag_mbc,
+                       { "MACsec Bypass Capability", "lldp.dcbx.ieee.pfc.mbc", FT_BOOLEAN, 8,
+                       TFS(&tfs_capable_not_capable), 0x40, NULL, HFILL }
+               },
+               { &hf_ieee_8021az_pfc_numtcs,
+                       { "Max PFC Enabled Traffic Classes", "lldp.dcbx.ieee.pfc.numtcs", FT_UINT8, BASE_DEC,
+                       NULL, 0xF, NULL, HFILL }
+               },
+               { &hf_ieee_8021az_app_prio,
+                       { "Application Priority", "lldp.dcbx.ieee.app.prio", FT_UINT8, BASE_DEC,
+                       NULL, 0xE0, NULL, HFILL }
+               },
+               { &hf_ieee_8021az_app_selector,
+                       { "Application Selector", "lldp.dcbx.iee.app.sf", FT_UINT8, BASE_DEC,
+                       VALS(dcbx_ieee_8021az_sf), 0x7, NULL, HFILL }
+               },
                { &hf_ieee_802_3_subtype,
                        { "IEEE 802.3 Subtype", "lldp.ieee.802_3.subtype", FT_UINT8, BASE_HEX,
                        VALS(ieee_802_3_subtypes), 0x0, NULL, HFILL }
@@ -3751,6 +4102,11 @@ proto_register_lldp(void)
                &ett_org_spc_ieee_802_1_2,
                &ett_org_spc_ieee_802_1_3,
                &ett_org_spc_ieee_802_1_4,
+               &ett_org_spc_ieee_802_1_9,
+               &ett_org_spc_ieee_802_1_a,
+               &ett_org_spc_ieee_802_1_b,
+               &ett_org_spc_ieee_802_1_c,
+               &ett_org_spc_ieee_dcbx_app,
                &ett_org_spc_ieee_802_3_1,
                &ett_org_spc_ieee_802_3_2,
                &ett_org_spc_ieee_802_3_3,