forked from osmocom/wireshark
The beginning of an openflow dissector.
svn path=/trunk/; revision=50513
This commit is contained in:
parent
5dec6b5603
commit
614194e61f
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@ -973,6 +973,7 @@ set(DISSECTOR_SRC
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dissectors/packet-olsr.c
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dissectors/packet-omapi.c
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dissectors/packet-omron-fins.c
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dissectors/packet-openflow.c
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dissectors/packet-opensafety.c
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dissectors/packet-openvpn.c
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dissectors/packet-openwire.c
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@ -900,6 +900,7 @@ DISSECTOR_SRC = \
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packet-olsr.c \
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packet-omapi.c \
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packet-omron-fins.c \
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packet-openflow.c \
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packet-opensafety.c \
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packet-openvpn.c \
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packet-openwire.c \
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@ -0,0 +1,945 @@
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/* packet-openflow.c
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* Routines for OpenFlow dissection
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* Copyright 2013, Anders Broman <anders.broman@ericsson.com>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Ref https://www.opennetworking.org/sdn-resources/onf-specifications/openflow
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*/
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#include "config.h"
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/prefs.h>
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void proto_reg_handoff_openflow(void);
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static int g_openflow_port = 0;
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/* Initialize the protocol and registered fields */
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static int proto_openflow = -1;
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static int hf_openflow_version = -1;
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static int hf_openflow_type = -1;
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static int hf_openflow_length = -1;
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static int hf_openflow_xid = -1;
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static int hf_openflow_datapath_id = -1;
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static int hf_openflow_datapath_mac = -1;
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static int hf_openflow_datapath_impl = -1;
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static int hf_openflow_n_buffers = -1;
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static int hf_openflow_n_tables = -1;
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static int hf_openflow_pad3 = -1;
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static int hf_openflow_capabilities = -1;
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static int hf_openflow_actions = -1;
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static int hf_openflow_reserved32 = -1;
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static int hf_openflow_cap_flow_stats = -1;
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static int hf_openflow_table_stats = -1;
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static int hf_openflow_port_stats = -1;
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static int hf_openflow_group_stats = -1;
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static int hf_openflow_ip_reasm = -1;
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static int hf_openflow_queue_stats = -1;
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static int hf_openflow_port_blocked = -1;
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static int hf_openflow_output = -1; /* Output to switch port. */
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static int hf_openflow_set_vlan_vid = -1; /* Set the 802.1q VLAN id. */
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static int hf_openflow_set_vlan_pcp = -1; /* Set the 802.1q priority. */
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static int hf_openflow_strip_vlan = -1; /* Strip the 802.1q header. */
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static int hf_openflow_set_dl_src = -1; /* Ethernet source address. */
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static int hf_openflow_set_dl_dst = -1; /* Ethernet destination address. */
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static int hf_openflow_set_nw_src = -1; /* IP source address. */
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static int hf_openflow_set_nw_dst = -1; /* IP destination address. */
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static int hf_openflow_set_nw_tos = -1; /* IP ToS (DSCP field, 6 bits). */
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static int hf_openflow_set_tp_src = -1; /* TCP/UDP source port. */
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static int hf_openflow_set_tp_dst = -1; /* TCP/UDP destination port. */
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static int hf_openflow_enqueue = -1; /* Output to queue. */
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static int hf_openflow_port_no = -1;
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static int hf_openflow_hw_addr = -1;
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static int hf_openflow_port_name = -1;
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static int hf_openflow_port_config = -1;
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static int hf_openflow_port_state = -1;
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static int hf_openflow_port_curr = -1;
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static int hf_openflow_port_advertised = -1;
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static int hf_openflow_port_supported = -1;
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static int hf_openflow_port_peer = -1;
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static int hf_openflow_port_down = -1; /* Port is administratively down. */
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static int hf_openflow_no_stp = -1; /* Disable 802.1D spanning tree on port. */
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static int hf_openflow_no_recv = -1; /* Drop all packets except 802.1D spanning tree packets. */
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static int hf_openflow_no_recv_stp = -1; /* Drop received 802.1D STP packets. */
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static int hf_openflow_no_flood = -1; /* Do not include this port when flooding. */
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static int hf_openflow_no_fwd = -1; /* Drop packets forwarded to port. */
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static int hf_openflow_no_packet_in = -1; /* Do not send packet-in msgs for port. */
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static int hf_openflow_link_down = -1; /* No physical link present. */
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static int hf_openflow_stp_listen = -1; /* Not learning or relaying frames. */
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static int hf_openflow_stp_learn = -1; /* Learning but not relaying frames. */
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static int hf_openflow_stp_forward = -1; /* Learning and relaying frames. */
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static int hf_openflow_stp_block = -1; /* Not part of spanning tree. */
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static int hf_openflow_stp_mask = -1; /* Bit mask for OFPPS_STP_* values. */
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static int hf_openflow_10mb_hd = -1; /* 10 Mb half-duplex rate support. */
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static int hf_openflow_10mb_fd = -1; /* 10 Mb full-duplex rate support. */
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static int hf_openflow_100mb_hd = -1; /* 100 Mb half-duplex rate support. */
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static int hf_openflow_100mb_fd = -1; /* 100 Mb full-duplex rate support. */
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static int hf_openflow_1gb_hd = -1; /* 1 Gb half-duplex rate support. */
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static int hf_openflow_1gb_fd = -1; /* 1 Gb full-duplex rate support. */
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static int hf_openflow_10gb_fd = -1; /* 10 Gb full-duplex rate support. */
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static int hf_openflow_copper = -1; /* Copper medium. */
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static int hf_openflow_fiber = -1; /* Fiber medium. */
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static int hf_openflow_autoneg = -1; /* Auto-negotiation. */
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static int hf_openflow_pause = -1; /* Pause. */
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static int hf_openflow_pause_asym = -1; /* Asymmetric pause. */
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/* Initialize the subtree pointers */
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static gint ett_openflow = -1;
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static gint ett_openflow_path_id = -1;
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static gint ett_openflow_cap = -1;
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static gint ett_openflow_act = -1;
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static gint ett_openflow_port = -1;
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static gint ett_openflow_port_cnf = -1;
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static gint ett_openflow_port_state = -1;
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static gint ett_port_cf = -1;
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static const value_string openflow_version_values[] = {
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{ 0x01, "1.0" },
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{ 0x02, "1.1" },
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{ 0x03, "1.2" },
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{ 0x04, "1.3" },
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{ 0, NULL }
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};
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/* Immutable messages. */
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#define OFPT_HELLO 0 /* Symmetric message */
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#define OFPT_ERROR 1 /* Symmetric message */
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#define OFPT_ECHO_REQUEST 2 /* Symmetric message */
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#define OFPT_ECHO_REPLY 3 /* Symmetric message */
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#define OFPT_EXPERIMENTER 4 /* Symmetric message */
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/* Switch configuration messages. */
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#define OFPT_FEATURES_REQUEST 5 /* Controller/switch message */
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#define OFPT_FEATURES_REPLY 6 /* Controller/switch message */
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#define OFPT_GET_CONFIG_REQUEST 7 /* Controller/switch message */
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#define OFPT_GET_CONFIG_REPLY 8 /* Controller/switch message */
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#define OFPT_SET_CONFIG 9 /* Controller/switch message */
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/* Asynchronous messages. */
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#define OFPT_PACKET_IN 10 /* Async message */
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#define OFPT_FLOW_REMOVED 11 /* Async message */
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#define OFPT_PORT_STATUS 12 /* Async message */
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/* Controller command messages. */
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#define OFPT_PACKET_OUT 13 /* Controller/switch message */
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#define OFPT_FLOW_MOD 14 /* Controller/switch message */
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#define OFPT_GROUP_MOD 15 /* Controller/switch message */
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#define OFPT_PORT_MOD 16 /* Controller/switch message */
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#define OFPT_TABLE_MOD 17 /* Controller/switch message */
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/* Multipart messages. */
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#define OFPT_MULTIPART_REQUEST 18 /* Controller/switch message */
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#define OFPT_MULTIPART_REPLY 19 /* Controller/switch message */
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/* Barrier messages. */
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#define OFPT_BARRIER_REQUEST 20 /* Controller/switch message */
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#define OFPT_BARRIER_REPLY 21 /* Controller/switch message */
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/* Queue Configuration messages. */
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#define OFPT_QUEUE_GET_CONFIG_REQUEST 22 /* Controller/switch message */
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#define OFPT_QUEUE_GET_CONFIG_REPLY 23 /* Controller/switch message */
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/* Controller role change request messages. */
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#define OFPT_ROLE_REQUEST 24 /* Controller/switch message */
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#define OFPT_ROLE_REPLY 25 /* Controller/switch message */
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/* Asynchronous message configuration. */
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#define OFPT_GET_ASYNC_REQUEST 26 /* Controller/switch message */
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#define OFPT_GET_ASYNC_REPLY 27 /* Controller/switch message */
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#define OFPT_SET_ASYNC 28 /* Controller/switch message */
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/* Meters and rate limiters configuration messages. */
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#define OFPT_METER_MOD 29 /* Controller/switch message */
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static const value_string openflow_type_values[] = {
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/* Immutable messages. */
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{ 0, "OFPT_HELLO" }, /* Symmetric message */
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{ 1, "OFPT_ERROR" }, /* Symmetric message */
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{ 2, "OFPT_ECHO_REQUEST" }, /* Symmetric message */
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{ 3, "OFPT_ECHO_REPLY" }, /* Symmetric message */
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{ 4, "OFPT_EXPERIMENTER" }, /* Symmetric message */
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/* Switch configuration messages. */
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{ 5, "OFPT_FEATURES_REQUEST" }, /* Controller/switch message */
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{ 6, "OFPT_FEATURES_REPLY" }, /* Controller/switch message */
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{ 7, "OFPT_GET_CONFIG_REQUEST" }, /* Controller/switch message */
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{ 8, "OFPT_GET_CONFIG_REPLY" }, /* Controller/switch message */
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{ 9, "OFPT_SET_CONFIG" }, /* Controller/switch message */
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/* Asynchronous messages. */
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{ 10, "OFPT_PACKET_IN" }, /* Async message */
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{ 11, "OFPT_FLOW_REMOVED" }, /* Async message */
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{ 12, "OFPT_PORT_STATUS" }, /* Async message */
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/* Controller command messages. */
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{ 13, "OFPT_PACKET_OUT" }, /* Controller/switch message */
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{ 14, "OFPT_FLOW_MOD" }, /* Controller/switch message */
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{ 15, "OFPT_GROUP_MOD" }, /* Controller/switch message */
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{ 16, "OFPT_PORT_MOD" }, /* Controller/switch message */
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{ 17, "OFPT_TABLE_MOD" }, /* Controller/switch message */
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/* Multipart messages. */
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{ 18, "OFPT_MULTIPART_REQUEST" }, /* Controller/switch message */
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{ 19, "OFPT_MULTIPART_REPLY" }, /* Controller/switch message */
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/* Barrier messages. */
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{ 20, "OFPT_BARRIER_REQUEST" }, /* Controller/switch message */
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{ 21, "OFPT_BARRIER_REPLY" }, /* Controller/switch message */
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/* Queue Configuration messages. */
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{ 22, "OFPT_QUEUE_GET_CONFIG_REQUEST" }, /* Controller/switch message */
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{ 23, "OFPT_QUEUE_GET_CONFIG_REPLY" }, /* Controller/switch message */
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/* Controller role change request messages. */
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{ 24, "OFPT_ROLE_REQUEST" }, /* Controller/switch message */
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{ 25, "OFPT_ROLE_REPLY" }, /* Controller/switch message */
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/* Asynchronous message configuration. */
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{ 26, "OFPT_GET_ASYNC_REQUEST" }, /* Controller/switch message */
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{ 27, "OFPT_GET_ASYNC_REPLY" }, /* Controller/switch message */
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{ 28, "OFPT_SET_ASYNC" }, /* Controller/switch message */
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/* Meters and rate limiters configuration messages. */
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{ 29, "OFPT_METER_MOD" }, /* Controller/switch message */
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{ 0, NULL }
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};
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#define OFPC_FLOW_STATS 1<<0 /* Flow statistics. */
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#define OFPC_TABLE_STATS 1<<1 /* Table statistics. */
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#define OFPC_PORT_STATS 1<<2 /* Port statistics. */
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#define OFPC_GROUP_STATS 1<<3 /* Group statistics. */
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#define OFPC_IP_REASM 1<<5 /* Can reassemble IP fragments. */
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#define OFPC_QUEUE_STATS 1<<6 /* Queue statistics. */
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#define OFPC_PORT_BLOCKED 1<<8 /* Switch will block looping ports. */
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#define OFPAT_OUTPUT_MASK 1<<0 /* Output to switch port. */
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#define OFPAT_SET_VLAN_VID_MASK 1<<1 /* Set the 802.1q VLAN id. */
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#define OFPAT_SET_VLAN_PCP_MASK 1<<2 /* Set the 802.1q priority. */
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#define OFPAT_STRIP_VLAN_MASK 1<<3 /* Strip the 802.1q header. */
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#define OFPAT_SET_DL_SRC_MASK 1<<4 /* Ethernet source address. */
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#define OFPAT_SET_DL_DST_MASK 1<<5 /* Ethernet destination address. */
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#define OFPAT_SET_NW_SRC_MASK 1<<6 /* IP source address. */
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#define OFPAT_SET_NW_DST_MASK 1<<7 /* IP destination address. */
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#define OFPAT_SET_NW_TOS_MASK 1<<8 /* IP ToS (DSCP field, 6 bits). */
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#define OFPAT_SET_TP_SRC_MASK 1<<9 /* TCP/UDP source port. */
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#define OFPAT_SET_TP_DST_MASK 1<<10 /* TCP/UDP destination port. */
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#define OFPAT_ENQUEUE_MASK 1<<11 /* Output to queue. */
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#define OFPPC_PORT_DOWN 1<<0 /* Port is administratively down. */
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#define OFPPC_NO_STP 1<<1 /* Disable 802.1D spanning tree on port. */
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#define OFPPC_NO_RECV 1<<2 /* Drop all packets except 802.1D spanning tree packets. */
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#define OFPPC_NO_RECV_STP 1<<3 /* Drop received 802.1D STP packets. */
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#define OFPPC_NO_FLOOD 1<<4 /* Do not include this port when flooding. */
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#define OFPPC_NO_FWD 1<<5 /* Drop packets forwarded to port. */
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#define OFPPC_NO_PACKET_IN 1<<6 /* Do not send packet-in msgs for port. */
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#define OFP_MAX_PORT_NAME_LEN 16
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#define OFPPS_LINK_DOWN 1<<0 /* No physical link present. */
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#define OFPPS_STP_LISTEN 0<<8 /* Not learning or relaying frames. */
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#define OFPPS_STP_LEARN 1<<8 /* Learning but not relaying frames. */
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#define OFPPS_STP_FORWARD 2<<8 /* Learning and relaying frames. */
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#define OFPPS_STP_BLOCK 3<<8 /* Not part of spanning tree. */
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#define OFPPS_STP_MASK 3<<8 /* Bit mask for OFPPS_STP_* values. */
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#define OFPPF_10MB_HD 1<<0 /* 10 Mb half-duplex rate support. */
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#define OFPPF_10MB_FD 1<<1 /* 10 Mb full-duplex rate support. */
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#define OFPPF_100MB_HD 1<<2 /* 100 Mb half-duplex rate support. */
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#define OFPPF_100MB_FD 1<<3 /* 100 Mb full-duplex rate support. */
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#define OFPPF_1GB_HD 1<<4 /* 1 Gb half-duplex rate support. */
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#define OFPPF_1GB_FD 1<<5 /* 1 Gb full-duplex rate support. */
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#define OFPPF_10GB_FD 1<<6 /* 10 Gb full-duplex rate support. */
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#define OFPPF_COPPER 1<<7 /* Copper medium. */
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#define OFPPF_FIBER 1<<8 /* Fiber medium. */
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#define OFPPF_AUTONEG 1<<9 /* Auto-negotiation. */
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#define OFPPF_PAUSE 1<<10 /* Pause. */
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#define OFPPF_PAUSE_ASYM 1<<11 /* Asymmetric pause. */
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static void
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dissect_openflow_phy_port(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
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{
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proto_item *ti;
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proto_tree *port_cnf_tree, *port_state_tree, *port_cf_tree;
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proto_tree_add_item(tree, hf_openflow_port_no, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset+=2;
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proto_tree_add_item(tree, hf_openflow_hw_addr, tvb, offset, 6, ENC_BIG_ENDIAN);
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offset+=6;
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proto_tree_add_item(tree, hf_openflow_port_name, tvb, offset, OFP_MAX_PORT_NAME_LEN, ENC_BIG_ENDIAN);
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offset+=OFP_MAX_PORT_NAME_LEN;
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/* Bitmap of OFPPC_* flags. */
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ti = proto_tree_add_item(tree, hf_openflow_port_config, tvb, offset, 4, ENC_BIG_ENDIAN);
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port_cnf_tree = proto_item_add_subtree(ti, ett_openflow_port_cnf);
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/* Port is administratively down. */
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proto_tree_add_item(port_cnf_tree, hf_openflow_port_down, tvb, offset, 4, ENC_BIG_ENDIAN);
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/* Disable 802.1D spanning tree on port. */
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proto_tree_add_item(port_cnf_tree, hf_openflow_no_stp, tvb, offset, 4, ENC_BIG_ENDIAN);
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/* Drop all packets except 802.1D spanning tree packets. */
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proto_tree_add_item(port_cnf_tree, hf_openflow_no_recv, tvb, offset, 4, ENC_BIG_ENDIAN);
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/* Drop received 802.1D STP packets. */
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proto_tree_add_item(port_cnf_tree, hf_openflow_no_recv_stp, tvb, offset, 4, ENC_BIG_ENDIAN);
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/* Do not include this port when flooding. */
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proto_tree_add_item(port_cnf_tree, hf_openflow_no_flood, tvb, offset, 4, ENC_BIG_ENDIAN);
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/* Drop packets forwarded to port. */
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proto_tree_add_item(port_cnf_tree, hf_openflow_no_fwd, tvb, offset, 4, ENC_BIG_ENDIAN);
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/* Do not send packet-in msgs for port. */
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proto_tree_add_item(port_cnf_tree, hf_openflow_no_packet_in, tvb, offset, 4, ENC_BIG_ENDIAN);
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offset+=4;
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/* Bitmap of OFPPS_* flags. */
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ti = proto_tree_add_item(tree, hf_openflow_port_state, tvb, offset, 4, ENC_BIG_ENDIAN);
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port_state_tree = proto_item_add_subtree(ti, ett_openflow_port_state);
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/* No physical link present. */
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proto_tree_add_item(port_cnf_tree, hf_openflow_link_down, tvb, offset, 4, ENC_BIG_ENDIAN);
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/* Not learning or relaying frames. */
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proto_tree_add_item(port_cnf_tree, hf_openflow_stp_listen, tvb, offset, 4, ENC_BIG_ENDIAN);
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/* Learning but not relaying frames. */
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proto_tree_add_item(port_cnf_tree, hf_openflow_stp_learn, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* Learning and relaying frames. */
|
||||
proto_tree_add_item(port_cnf_tree, hf_openflow_stp_forward, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* Not part of spanning tree. */
|
||||
proto_tree_add_item(port_cnf_tree, hf_openflow_stp_block, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* Bit mask for OFPPS_STP_* values. */
|
||||
proto_tree_add_item(port_cnf_tree, hf_openflow_stp_mask, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
|
||||
offset+=4;
|
||||
|
||||
/* Current features. */
|
||||
ti = proto_tree_add_item(tree, hf_openflow_port_curr, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
port_cf_tree = proto_item_add_subtree(ti, ett_port_cf);
|
||||
/* 10 Mb half-duplex rate support. */
|
||||
proto_tree_add_item(port_cf_tree, hf_openflow_10mb_hd, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* 10 Mb full-duplex rate support. */
|
||||
proto_tree_add_item(port_cf_tree, hf_openflow_10mb_fd, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* 100 Mb half-duplex rate support. */
|
||||
proto_tree_add_item(port_cf_tree, hf_openflow_100mb_hd, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* 100 Mb full-duplex rate support. */
|
||||
proto_tree_add_item(port_cf_tree, hf_openflow_100mb_fd, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* 1 Gb half-duplex rate support. */
|
||||
proto_tree_add_item(port_cf_tree, hf_openflow_1gb_hd, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* 1 Gb full-duplex rate support. */
|
||||
proto_tree_add_item(port_cf_tree, hf_openflow_1gb_fd, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* 10 Gb full-duplex rate support. */
|
||||
proto_tree_add_item(port_cf_tree, hf_openflow_10gb_fd, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* Copper medium. */
|
||||
proto_tree_add_item(port_cf_tree, hf_openflow_copper, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* Fiber medium. */
|
||||
proto_tree_add_item(port_cf_tree, hf_openflow_fiber, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* Auto-negotiation. */
|
||||
proto_tree_add_item(port_cf_tree, hf_openflow_autoneg, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* Pause. */
|
||||
proto_tree_add_item(port_cf_tree, hf_openflow_pause, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
/* Asymmetric pause. */
|
||||
proto_tree_add_item(port_cf_tree, hf_openflow_pause_asym, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
offset+=4;
|
||||
|
||||
/* Features being advertised by the port. */
|
||||
proto_tree_add_item(tree, hf_openflow_port_advertised, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
offset+=4;
|
||||
|
||||
/* Features supported by the port. */
|
||||
proto_tree_add_item(tree, hf_openflow_port_supported, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
offset+=4;
|
||||
/* Features advertised by peer. */
|
||||
proto_tree_add_item(tree, hf_openflow_port_peer, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
|
||||
|
||||
}
|
||||
/*
|
||||
* Switch features.
|
||||
*
|
||||
struct ofp_switch_features {
|
||||
struct ofp_header header;
|
||||
uint64_t datapath_id; * Datapath unique ID. The lower 48-bits are for
|
||||
a MAC address, while the upper 16-bits are
|
||||
implementer-defined. *
|
||||
uint32_t n_buffers; * Max packets buffered at once. *
|
||||
uint8_t n_tables; * Number of tables supported by datapath. *
|
||||
uint8_t pad[3]; * Align to 64-bits. *
|
||||
* Features. *
|
||||
uint32_t capabilities; * Bitmap of support "ofp_capabilities". *
|
||||
uptill 1.1
|
||||
uint32_t actions; * Bitmap of supported "ofp_action_type"s. *
|
||||
from 1.2
|
||||
uint32_t reserved;
|
||||
* Port info.*
|
||||
struct ofp_phy_port ports[0]; * Port definitions. The number of ports
|
||||
is inferred from the length field in
|
||||
the header.
|
||||
};
|
||||
*/
|
||||
static void
|
||||
dissect_openflow_features_reply(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, guint8 version, guint16 length)
|
||||
{
|
||||
proto_item *ti;
|
||||
proto_tree *path_id_tree, *cap_tree, *act_tree;
|
||||
|
||||
guint16 length_remaining;
|
||||
|
||||
ti = proto_tree_add_item(tree, hf_openflow_datapath_id, tvb, offset, 8, ENC_BIG_ENDIAN);
|
||||
path_id_tree = proto_item_add_subtree(ti, ett_openflow_path_id);
|
||||
proto_tree_add_item(path_id_tree, hf_openflow_datapath_mac, tvb, offset, 6, ENC_BIG_ENDIAN);
|
||||
offset+=6;
|
||||
proto_tree_add_item(path_id_tree, hf_openflow_datapath_impl, tvb, offset, 2, ENC_BIG_ENDIAN);
|
||||
offset+=2;
|
||||
|
||||
proto_tree_add_item(tree, hf_openflow_n_buffers, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
offset+=4;
|
||||
|
||||
proto_tree_add_item(tree, hf_openflow_n_tables, tvb, offset, 1, ENC_BIG_ENDIAN);
|
||||
offset++;
|
||||
|
||||
if(version<3){
|
||||
proto_tree_add_item(tree, hf_openflow_pad3, tvb, offset, 3, ENC_BIG_ENDIAN);
|
||||
offset+=3;
|
||||
}else{
|
||||
}
|
||||
|
||||
ti = proto_tree_add_item(tree, hf_openflow_capabilities, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
cap_tree = proto_item_add_subtree(ti, ett_openflow_cap);
|
||||
|
||||
/* Dissect flags */
|
||||
proto_tree_add_item(cap_tree, hf_openflow_cap_flow_stats, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(cap_tree, hf_openflow_table_stats, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(cap_tree, hf_openflow_port_stats, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(cap_tree, hf_openflow_group_stats, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(cap_tree, hf_openflow_ip_reasm, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(cap_tree, hf_openflow_queue_stats, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(cap_tree, hf_openflow_port_blocked, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
offset+=4;
|
||||
|
||||
if(version<2){
|
||||
ti = proto_tree_add_item(tree, hf_openflow_actions, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
act_tree = proto_item_add_subtree(ti, ett_openflow_act);
|
||||
/* Dissect flags */
|
||||
proto_tree_add_item(act_tree, hf_openflow_output, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(act_tree, hf_openflow_set_vlan_vid, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(act_tree, hf_openflow_set_vlan_pcp, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(act_tree, hf_openflow_strip_vlan, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(act_tree, hf_openflow_set_dl_src, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(act_tree, hf_openflow_set_dl_dst, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(act_tree, hf_openflow_set_nw_src, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(act_tree, hf_openflow_set_nw_dst, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(act_tree, hf_openflow_set_nw_tos, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(act_tree, hf_openflow_set_tp_src, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(act_tree, hf_openflow_set_tp_dst, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
proto_tree_add_item(act_tree, hf_openflow_enqueue, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
}else{
|
||||
proto_tree_add_item(tree, hf_openflow_reserved32, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
}
|
||||
offset+=4;
|
||||
|
||||
length_remaining = length-32;
|
||||
if(length_remaining > 0){
|
||||
guint16 num_ports = length_remaining/48;
|
||||
int i;
|
||||
if ((length_remaining&0x003f) != 0){
|
||||
/* protocol_error */
|
||||
}
|
||||
for(i=0; i<num_ports ;i++){
|
||||
proto_tree *port_tree;
|
||||
|
||||
ti = proto_tree_add_text(tree, tvb, offset, 48, "Port data %u",i+1);
|
||||
port_tree = proto_item_add_subtree(ti, ett_openflow_port);
|
||||
dissect_openflow_phy_port(tvb, pinfo, port_tree, offset);
|
||||
offset+=48;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
/* Code to actually dissect the packets */
|
||||
static int
|
||||
dissect_openflow(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
||||
{
|
||||
proto_item *ti;
|
||||
proto_tree *openflow_tree;
|
||||
guint offset = 0;
|
||||
guint8 type, version;
|
||||
guint16 length;
|
||||
|
||||
|
||||
version = tvb_get_guint8(tvb, 0);
|
||||
type = tvb_get_guint8(tvb, 1);
|
||||
/* Set the Protocol column to the constant string of openflow */
|
||||
col_set_str(pinfo->cinfo, COL_PROTOCOL, "OpenFlow");
|
||||
col_clear(pinfo->cinfo,COL_INFO);
|
||||
|
||||
if((version&0x80)==0x80){
|
||||
col_set_str(pinfo->cinfo, COL_PROTOCOL, "OpenFlow experimental version");
|
||||
proto_tree_add_text(tree, tvb, offset, -1, "Experimental versions not dissected");
|
||||
}else{
|
||||
version = version & 0x7f;
|
||||
col_set_str(pinfo->cinfo, COL_PROTOCOL, "OpenFlow");
|
||||
col_append_fstr(pinfo->cinfo, COL_INFO, "Type: %s",
|
||||
val_to_str_const(type, openflow_type_values, "Unknown Messagetype"));
|
||||
}
|
||||
|
||||
/* Create display subtree for the protocol */
|
||||
ti = proto_tree_add_item(tree, proto_openflow, tvb, 0, -1, ENC_NA);
|
||||
openflow_tree = proto_item_add_subtree(ti, ett_openflow);
|
||||
|
||||
/* A.1 OpenFlow Header. */
|
||||
/* OFP_VERSION. */
|
||||
proto_tree_add_item(openflow_tree, hf_openflow_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
||||
offset++;
|
||||
|
||||
/* One of the OFPT_ constants. */
|
||||
proto_tree_add_item(openflow_tree, hf_openflow_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
||||
offset++;
|
||||
|
||||
/* Length including this ofp_header. */
|
||||
length = tvb_get_ntohs(tvb, offset);
|
||||
proto_tree_add_item(openflow_tree, hf_openflow_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
||||
offset+=2;
|
||||
|
||||
/* Transaction id associated with this packet. Replies use the same id as was in the request
|
||||
* to facilitate pairing.
|
||||
*/
|
||||
proto_tree_add_item(openflow_tree, hf_openflow_xid, tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
offset+=4;
|
||||
|
||||
switch(type){
|
||||
case OFPT_HELLO:
|
||||
/* 5.5.1 Hello
|
||||
* The OFPT_HELLO message has no body;
|
||||
*/
|
||||
break;
|
||||
case OFPT_FEATURES_REQUEST:
|
||||
/* 5.3.1 Handshake
|
||||
* Upon TLS session establishment, the controller sends an OFPT_FEATURES_REQUEST
|
||||
* message. This message does not contain a body beyond the OpenFlow header.
|
||||
*/
|
||||
break;
|
||||
case OFPT_FEATURES_REPLY:
|
||||
dissect_openflow_features_reply(tvb, pinfo, openflow_tree, offset, version, length);
|
||||
break;
|
||||
default:
|
||||
if(length>8){
|
||||
proto_tree_add_text(tree, tvb, offset, -1, "Message data not dissected yet");
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
return tvb_length(tvb);
|
||||
}
|
||||
|
||||
/* Register the protocol with Wireshark.
|
||||
*
|
||||
* This format is require because a script is used to build the C function that
|
||||
* calls all the protocol registration.
|
||||
*/
|
||||
void
|
||||
proto_register_openflow(void)
|
||||
{
|
||||
module_t *openflow_module;
|
||||
|
||||
static hf_register_info hf[] = {
|
||||
{ &hf_openflow_version,
|
||||
{ "Version", "openflow.version",
|
||||
FT_UINT8, BASE_HEX, VALS(openflow_version_values), 0x7f,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_type,
|
||||
{ "Type", "openflow.type",
|
||||
FT_UINT8, BASE_DEC, VALS(openflow_type_values), 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_xid,
|
||||
{ "Transaction ID", "openflow.xid",
|
||||
FT_UINT32, BASE_DEC, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_length,
|
||||
{ "Length", "openflow.length",
|
||||
FT_UINT16, BASE_DEC, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_datapath_id,
|
||||
{ "Datapath unique ID", "openflow.datapath_id",
|
||||
FT_UINT64, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_datapath_mac,
|
||||
{ "MAC addr", "openflow.datapath_mac",
|
||||
FT_ETHER, BASE_NONE, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_datapath_impl,
|
||||
{ "Implementers part", "openflow.datapath_imp",
|
||||
FT_UINT16, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_n_buffers,
|
||||
{ "n_buffers", "openflow.n_buffers",
|
||||
FT_UINT32, BASE_DEC, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_n_tables,
|
||||
{ "n_tables", "openflow.n_tables",
|
||||
FT_UINT8, BASE_DEC, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_pad3,
|
||||
{ "Padding", "openflow.pad3",
|
||||
FT_UINT24, BASE_DEC, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_capabilities,
|
||||
{ "capabilities", "openflow.capabilities",
|
||||
FT_UINT32, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_actions,
|
||||
{ "actions", "openflow.actions",
|
||||
FT_UINT32, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_reserved32,
|
||||
{ "Reserved", "openflow.reserved32",
|
||||
FT_UINT32, BASE_DEC, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_cap_flow_stats,
|
||||
{ "Flow statistics", "openflow.flow_stats",
|
||||
FT_BOOLEAN, 32, NULL, OFPC_FLOW_STATS,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_table_stats,
|
||||
{ "Table statistics", "openflow.table_stats",
|
||||
FT_BOOLEAN, 32, NULL, OFPC_TABLE_STATS,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_port_stats,
|
||||
{ "Port statistics", "openflow.port_stats",
|
||||
FT_BOOLEAN, 32, NULL, OFPC_PORT_STATS,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_group_stats,
|
||||
{ "Group statistics", "openflow.group_stats",
|
||||
FT_BOOLEAN, 32, NULL, OFPC_GROUP_STATS,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_ip_reasm,
|
||||
{ "Can reassemble IP fragments", "openflow.ip_reasm",
|
||||
FT_BOOLEAN, 32, NULL, OFPC_IP_REASM,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_queue_stats,
|
||||
{ "Queue statistics", "openflow.queue_stats",
|
||||
FT_BOOLEAN, 32, NULL, OFPC_QUEUE_STATS,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_port_blocked,
|
||||
{ "Switch will block looping ports", "openflow.port_blocked",
|
||||
FT_BOOLEAN, 32, NULL, OFPC_PORT_BLOCKED,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_output,
|
||||
{ "Output to switch port", "openflow.output",
|
||||
FT_BOOLEAN, 32, NULL, OFPAT_OUTPUT_MASK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_set_vlan_vid,
|
||||
{ "Set the 802.1q VLAN id", "openflow.set_vlan_vid",
|
||||
FT_BOOLEAN, 32, NULL, OFPAT_SET_VLAN_VID_MASK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_set_vlan_pcp,
|
||||
{ "Set the 802.1q priority", "openflow.set_vlan_pcp",
|
||||
FT_BOOLEAN, 32, NULL, OFPAT_SET_VLAN_PCP_MASK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_strip_vlan,
|
||||
{ "Strip the 802.1q header", "openflow.strip_vlan",
|
||||
FT_BOOLEAN, 32, NULL, OFPAT_STRIP_VLAN_MASK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_set_dl_src,
|
||||
{ "Ethernet source address", "openflow.set_dl_src",
|
||||
FT_BOOLEAN, 32, NULL, OFPAT_SET_DL_SRC_MASK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_set_dl_dst,
|
||||
{ "Ethernet destination address", "openflow.set_dl_ds",
|
||||
FT_BOOLEAN, 32, NULL, OFPAT_SET_DL_DST_MASK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_set_nw_src,
|
||||
{ "IP source address", "openflow.set_nw_src",
|
||||
FT_BOOLEAN, 32, NULL, OFPAT_SET_NW_SRC_MASK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_set_nw_dst,
|
||||
{ "IP destination address", "openflow.set_nw_ds",
|
||||
FT_BOOLEAN, 32, NULL, OFPAT_SET_NW_DST_MASK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_set_nw_tos,
|
||||
{ "IP ToS (DSCP field, 6 bits)", "openflow.set_nw_tos",
|
||||
FT_BOOLEAN, 32, NULL, OFPAT_SET_NW_TOS_MASK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_set_tp_src,
|
||||
{ "TCP/UDP source port", "openflow.set_tp_src",
|
||||
FT_BOOLEAN, 32, NULL, OFPAT_SET_TP_SRC_MASK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_set_tp_dst,
|
||||
{ "TCP/UDP destination port", "openflow.set_tp_dst",
|
||||
FT_BOOLEAN, 32, NULL, OFPAT_SET_TP_DST_MASK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_enqueue,
|
||||
{ "Output to queue", "openflow.enqueue",
|
||||
FT_BOOLEAN, 32, NULL, OFPAT_ENQUEUE_MASK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_port_no,
|
||||
{ "Port number", "openflow.port_no",
|
||||
FT_UINT16, BASE_DEC, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_hw_addr,
|
||||
{ "HW Address", "openflow.hw_add",
|
||||
FT_ETHER, BASE_NONE, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_port_name,
|
||||
{ "Name", "openflow.hw_add",
|
||||
FT_STRING, BASE_NONE, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_port_config,
|
||||
{ "Config flags", "openflow.port_config",
|
||||
FT_UINT32, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_port_state,
|
||||
{ "State flags", "openflow.port_state",
|
||||
FT_UINT32, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_port_curr,
|
||||
{ "Current features", "openflow.port_curr",
|
||||
FT_UINT32, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_port_advertised,
|
||||
{ "Advertised features", "openflow.port_advertised",
|
||||
FT_UINT32, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_port_supported,
|
||||
{ "Features supported", "openflow.port_supported",
|
||||
FT_UINT32, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_port_peer,
|
||||
{ "Features advertised by peer", "openflow.port_peer",
|
||||
FT_UINT32, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_port_down,
|
||||
{ "Port is administratively down", "openflow.port_down",
|
||||
FT_BOOLEAN, 32, NULL, OFPPC_PORT_DOWN,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_no_stp,
|
||||
{ "Disable 802.1D spanning tree on port", "openflow.no_stp",
|
||||
FT_BOOLEAN, 32, NULL, OFPPC_NO_STP,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_no_recv,
|
||||
{ "Drop all packets except 802.1D spanning tree packets", "openflow.no_recv",
|
||||
FT_BOOLEAN, 32, NULL, OFPPC_NO_RECV,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_no_recv_stp,
|
||||
{ "Drop received 802.1D STP packets", "openflow.no_recv",
|
||||
FT_BOOLEAN, 32, NULL, OFPPC_NO_RECV_STP,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_no_flood,
|
||||
{ "Do not include this port when flooding", "openflow.no_flood",
|
||||
FT_BOOLEAN, 32, NULL, OFPPC_NO_FLOOD,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_no_fwd,
|
||||
{ "Drop packets forwarded to port", "openflow.no_fwd",
|
||||
FT_BOOLEAN, 32, NULL, OFPPC_NO_FWD,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_no_packet_in,
|
||||
{ "Do not send packet-in msgs for port", "openflow.no_packet_in",
|
||||
FT_BOOLEAN, 32, NULL, OFPPC_NO_PACKET_IN,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_link_down,
|
||||
{ "No physical link present", "openflow.link_down",
|
||||
FT_BOOLEAN, 32, NULL, OFPPS_LINK_DOWN,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_stp_listen,
|
||||
{ "Not learning or relaying frames", "openflow.stp_listen",
|
||||
FT_BOOLEAN, 32, NULL, OFPPS_STP_LISTEN,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_stp_learn,
|
||||
{ "Learning but not relaying frames", "openflow.stp_learn",
|
||||
FT_BOOLEAN, 32, NULL, OFPPS_STP_LEARN,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_stp_forward,
|
||||
{ "Learning and relaying frames", "openflow.stp_forward",
|
||||
FT_BOOLEAN, 32, NULL, OFPPS_STP_FORWARD,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_stp_block,
|
||||
{ "Not part of spanning tree", "openflow.stp_block",
|
||||
FT_BOOLEAN, 32, NULL, OFPPS_STP_BLOCK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_stp_mask,
|
||||
{ "Bit mask for OFPPS_STP", "openflow.stp_mask",
|
||||
FT_BOOLEAN, 32, NULL, OFPPS_STP_MASK,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_10mb_hd,
|
||||
{ "10 Mb half-duplex rate support", "openflow.10mb_hd",
|
||||
FT_BOOLEAN, 32, NULL, OFPPF_10MB_HD,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_10mb_fd,
|
||||
{ "10 Mb full-duplex rate support", "openflow.10mb_fd",
|
||||
FT_BOOLEAN, 32, NULL, OFPPF_10MB_FD,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_100mb_hd,
|
||||
{ "100 Mb half-duplex rate support", "openflow.100mb_hd",
|
||||
FT_BOOLEAN, 32, NULL, OFPPF_100MB_HD,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_100mb_fd,
|
||||
{ "100 Mb full-duplex rate support", "openflow.100mb_0fd",
|
||||
FT_BOOLEAN, 32, NULL, OFPPF_100MB_FD,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_1gb_hd,
|
||||
{ "1 Gb half-duplex rate support", "openflow.1gb_hd",
|
||||
FT_BOOLEAN, 32, NULL, OFPPF_1GB_HD,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_1gb_fd,
|
||||
{ "1 Gb full-duplex rate support", "openflow.1gb_fd",
|
||||
FT_BOOLEAN, 32, NULL, OFPPF_1GB_FD,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_10gb_fd,
|
||||
{ "10 Gb full-duplex rate support", "openflow.10gb_fd",
|
||||
FT_BOOLEAN, 32, NULL, OFPPF_10GB_FD,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_copper,
|
||||
{ "Copper medium", "openflow.copper",
|
||||
FT_BOOLEAN, 32, NULL, OFPPF_COPPER,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_fiber,
|
||||
{ "Fiber medium", "openflow.fiber",
|
||||
FT_BOOLEAN, 32, NULL, OFPPF_FIBER,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_autoneg,
|
||||
{ "Auto-negotiation", "openflow.autoneg",
|
||||
FT_BOOLEAN, 32, NULL, OFPPF_AUTONEG,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_pause,
|
||||
{ "Pause", "openflow.pause",
|
||||
FT_BOOLEAN, 32, NULL, OFPPF_PAUSE,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_openflow_pause_asym,
|
||||
{ "Asymmetric pause", "openflow.pause_asym",
|
||||
FT_BOOLEAN, 32, NULL, OFPPF_PAUSE_ASYM,
|
||||
NULL, HFILL }
|
||||
},
|
||||
};
|
||||
|
||||
static gint *ett[] = {
|
||||
&ett_openflow,
|
||||
&ett_openflow_path_id,
|
||||
&ett_openflow_cap,
|
||||
&ett_openflow_act,
|
||||
&ett_openflow_port,
|
||||
&ett_openflow_port_cnf,
|
||||
&ett_openflow_port_state,
|
||||
&ett_port_cf
|
||||
};
|
||||
|
||||
/* Register the protocol name and description */
|
||||
proto_openflow = proto_register_protocol("OpenFlow",
|
||||
"openflow", "openflow");
|
||||
|
||||
/* Required function calls to register the header fields and subtrees */
|
||||
proto_register_field_array(proto_openflow, hf, array_length(hf));
|
||||
proto_register_subtree_array(ett, array_length(ett));
|
||||
|
||||
openflow_module = prefs_register_protocol(proto_openflow, proto_reg_handoff_openflow);
|
||||
|
||||
/* Register port preference */
|
||||
prefs_register_uint_preference(openflow_module, "tcp.port", "openflow TCP Port",
|
||||
" openflow TCP port if other than the default",
|
||||
10, &g_openflow_port);
|
||||
}
|
||||
|
||||
void
|
||||
proto_reg_handoff_openflow(void)
|
||||
{
|
||||
static gboolean initialized = FALSE;
|
||||
static dissector_handle_t openflow_handle;
|
||||
static int currentPort;
|
||||
|
||||
if (!initialized) {
|
||||
openflow_handle = new_create_dissector_handle(dissect_openflow, proto_openflow);
|
||||
initialized = TRUE;
|
||||
|
||||
} else {
|
||||
dissector_delete_uint("tcp.port", currentPort, openflow_handle);
|
||||
}
|
||||
|
||||
currentPort = g_openflow_port;
|
||||
|
||||
dissector_add_uint("tcp.port", currentPort, openflow_handle);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
||||
*
|
||||
* Local variables:
|
||||
* c-basic-offset: 4
|
||||
* tab-width: 8
|
||||
* indent-tabs-mode: nil
|
||||
* End:
|
||||
*
|
||||
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
||||
* :indentSize=4:tabSize=8:noTabs=true:
|
||||
*/
|
Loading…
Reference in New Issue