epan/dissectors/packet-openflow_v1.c

   1 /* packet-openflow_v1.c
   2  * Routines for OpenFlow dissection
   3  * Copyright 2013, Anders Broman <anders.broman@ericsson.com>
   4  * Copyright 2013, Zoltan Lajos Kis <zoltan.lajos.kis@ericsson.com>
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  23  *
  24  * Ref https://www.opennetworking.org/sdn-resources/onf-specifications/openflow
  25  */
  26
  27 #include "config.h"
  28
  29 #include <glib.h>
  30
  31 #include <epan/packet.h>
  32 #include <epan/expert.h>
  33
  34 void proto_register_openflow_v1(void);
  35 void proto_reg_handoff_openflow_v1(void);
  36
  37 static dissector_handle_t eth_withoutfcs_handle;
  38
  39 /* Initialize the protocol and registered fields */
  40 static int proto_openflow_v1 = -1;
  41 static int hf_openflow_version = -1;
  42 static int hf_openflow_1_0_type = -1;
  43 static int hf_openflow_length = -1;
  44 static int hf_openflow_xid = -1;
  45
  46 static int hf_openflow_datapath_id = -1;
  47 static int hf_openflow_datapath_mac = -1;
  48 static int hf_openflow_datapath_impl = -1;
  49 static int hf_openflow_n_buffers = -1;
  50 static int hf_openflow_n_tables = -1;
  51 /* static int hf_openflow_auxiliary_id = -1; */
  52 static int hf_openflow_capabilities = -1;
  53 static int hf_openflow_actions = -1;
  54 /* static int hf_openflow_reserved32 = -1; */
  55 static int hf_openflow_cap_flow_stats = -1;
  56 static int hf_openflow_table_stats = -1;
  57 static int hf_openflow_port_stats = -1;
  58 static int hf_openflow_group_stats = -1;
  59 static int hf_openflow_ip_reasm = -1;
  60 static int hf_openflow_queue_stats = -1;
  61 static int hf_openflow_port_blocked = -1;
  62
  63 static int hf_openflow_output = -1; /* Output to switch port. */
  64 static int hf_openflow_set_vlan_vid = -1; /* Set the 802.1q VLAN id. */
  65 static int hf_openflow_set_vlan_pcp = -1; /* Set the 802.1q priority. */
  66 static int hf_openflow_strip_vlan = -1; /* Strip the 802.1q header. */
  67 static int hf_openflow_set_dl_src = -1; /* Ethernet source address. */
  68 static int hf_openflow_set_dl_dst = -1; /* Ethernet destination address. */
  69 static int hf_openflow_set_nw_src = -1; /* IP source address. */
  70 static int hf_openflow_set_nw_dst = -1; /* IP destination address. */
  71 static int hf_openflow_set_nw_tos = -1; /* IP ToS (DSCP field, 6 bits). */
  72 static int hf_openflow_set_tp_src = -1; /* TCP/UDP source port. */
  73 static int hf_openflow_set_tp_dst = -1; /* TCP/UDP destination port. */
  74 static int hf_openflow_enqueue = -1; /* Output to queue. */
  75
  76 static int hf_openflow_port_no = -1;
  77 static int hf_openflow_hw_addr = -1;
  78 static int hf_openflow_port_name = -1;
  79
  80
  81 static int hf_openflow_port_config = -1;
  82 static int hf_openflow_port_state = -1;
  83 static int hf_openflow_port_curr = -1;
  84 static int hf_openflow_port_advertised = -1;
  85 static int hf_openflow_port_supported = -1;
  86 static int hf_openflow_port_peer = -1;
  87
  88 static int hf_openflow_port_down = -1;    /* Port is administratively down. */
  89 static int hf_openflow_no_stp = -1;       /* Disable 802.1D spanning tree on port. */
  90 static int hf_openflow_no_recv = -1;      /* Drop all packets except 802.1D spanning tree packets. */
  91 static int hf_openflow_no_recv_stp = -1;  /* Drop received 802.1D STP packets. */
  92 static int hf_openflow_no_flood = -1;     /* Do not include this port when flooding. */
  93 static int hf_openflow_no_fwd = -1;       /* Drop packets forwarded to port. */
  94 static int hf_openflow_no_packet_in = -1; /* Do not send packet-in msgs for port. */
  95
  96 static int hf_openflow_link_down = -1;    /* No physical link present. */
  97
  98 static int hf_openflow_10mb_hd = -1;      /* 10 Mb half-duplex rate support. */
  99 static int hf_openflow_10mb_fd = -1;      /* 10 Mb full-duplex rate support. */
 100 static int hf_openflow_100mb_hd = -1;     /* 100 Mb half-duplex rate support. */
 101 static int hf_openflow_100mb_fd = -1;     /* 100 Mb full-duplex rate support. */
 102 static int hf_openflow_1gb_hd = -1;       /* 1 Gb half-duplex rate support. */
 103 static int hf_openflow_1gb_fd = -1;       /* 1 Gb full-duplex rate support. */
 104 static int hf_openflow_10gb_fd = -1;      /* 10 Gb full-duplex rate support. */
 105 static int hf_openflow_copper = -1;       /* Copper medium. */
 106 static int hf_openflow_fiber = -1;        /* Fiber medium. */
 107 static int hf_openflow_autoneg = -1;      /* Auto-negotiation. */
 108 static int hf_openflow_pause = -1;        /* Pause. */
 109 static int hf_openflow_pause_asym = -1;   /* Asymmetric pause. */
 110
 111 static int hf_openflow_config_flags = -1;
 112 static int hf_openflow_miss_send_len = -1;
 113
 114 static int hf_openflow_buffer_id = -1;
 115 static int hf_openflow_total_len = -1;
 116 static int hf_openflow_in_port = -1;
 117 static int hf_openflow_reason = -1;
 118 static int hf_openflow_pkt_in_pad = -1;
 119 /* static int hf_openflow_table_id = -1; */
 120 static int hf_openflow_cookie = -1;
 121 /* static int hf_openflow_cookie_mask = -1; */
 122 static int hf_openflow_features_reply_pad = -1;
 123 static int hf_openflow_actions_len = -1;
 124 static int hf_openflow_action_type = -1;
 125 static int hf_openflow_action_len = -1;
 126 static int hf_openflow_output_port = -1;
 127 static int hf_openflow_max_len = -1;
 128 static int hf_openflow_wildcards = -1;
 129 static int hf_openflow_command = -1;
 130 static int hf_openflow_eth_src = -1;
 131 static int hf_openflow_eth_dst = -1;
 132 static int hf_openflow_dl_vlan = -1;
 133 static int hf_openflow_dl_vlan_pcp = -1;
 134 static int hf_openflow_ofp_match_pad = -1;
 135 static int hf_openflow_idle_timeout = -1;
 136 static int hf_openflow_hard_timeout = -1;
 137 static int hf_openflow_priority = -1;
 138 static int hf_openflow_out_port = -1;
 139 /* static int hf_openflow_out_group = -1; */
 140 static int hf_openflow_flags = -1;
 141
 142 /* Initialize the subtree pointers */
 143 static gint ett_openflow = -1;
 144 static gint ett_openflow_path_id = -1;
 145 static gint ett_openflow_cap = -1;
 146 static gint ett_openflow_act = -1;
 147 static gint ett_openflow_port = -1;
 148 static gint ett_openflow_port_cnf = -1;
 149 static gint ett_openflow_port_state = -1;
 150 static gint ett_openflow_port_cf = -1;
 151
 152 static expert_field ei_openflow_undecoded_data = EI_INIT;
 153 static expert_field ei_openflow_action_type = EI_INIT;
 154 static expert_field ei_openflow_1_0_type = EI_INIT;
 155
 156 static const value_string openflow_version_values[] = {
 157     { 0x01, "1.0" },
 158     { 0, NULL }
 159 };
 160
 161
 162 /* Immutable messages. */
 163 #define OFPT_1_0_HELLO                     0 /* Symmetric message */
 164 #define OFPT_1_0_ERROR                     1 /* Symmetric message */
 165 #define OFPT_1_0_ECHO_REQUEST              2 /* Symmetric message */
 166 #define OFPT_1_0_ECHO_REPLY                3 /* Symmetric message */
 167 #define OFPT_1_0_VENDOR                    4 /* Symmetric message */
 168 /* Switch configuration messages. */
 169 #define OFPT_1_0_FEATURES_REQUEST          5 /* Controller/switch message */
 170 #define OFPT_1_0_FEATURES_REPLY            6 /* Controller/switch message */
 171 #define OFPT_1_0_GET_CONFIG_REQUEST        7 /* Controller/switch message */
 172 #define OFPT_1_0_GET_CONFIG_REPLY          8 /* Controller/switch message */
 173 #define OFPT_1_0_SET_CONFIG                9 /* Controller/switch message */
 174 /* Asynchronous messages. */
 175 #define OFPT_1_0_PACKET_IN                10 /* Async message */
 176 #define OFPT_1_0_FLOW_REMOVED             11 /* Async message */
 177 #define OFPT_1_0_PORT_STATUS              12 /* Async message */
 178 /* Controller command messages. */
 179 #define OFPT_1_0_PACKET_OUT               13 /* Controller/switch message */
 180 #define OFPT_1_0_FLOW_MOD                 14 /* Controller/switch message */
 181 #define OFPT_1_0_PORT_MOD                 15 /* Controller/switch message */
 182 /* Statistics messages. */
 183 #define OFPT_1_0_STATS_REQUEST            16 /* Controller/switch message */
 184 #define OFPT_1_0_STATS_REPLY              17 /* Controller/switch message */
 185 /* Barrier messages. */
 186 #define OFPT_1_0_BARRIER_REQUEST          18 /* Controller/switch message */
 187 #define OFPT_1_0_BARRIER_REPLY            19 /* Controller/switch message */
 188 /* Queue Configuration messages. */
 189 #define OFPT_1_0_QUEUE_GET_CONFIG_REQUEST 20 /* Controller/switch message */
 190 #define OFPT_1_0_QUEUE_GET_CONFIG_REPLY   21 /* Controller/switch message */
 191
 192
 193 static const value_string openflow_1_0_type_values[] = {
 194 /* Immutable messages. */
 195
 196 /* Immutable messages. */
 197     { 0, "OFPT_HELLO" },              /* Symmetric message */
 198     { 1, "OFPT_ERROR" },              /* Symmetric message */
 199     { 2, "OFPT_ECHO_REQUEST" },       /* Symmetric message */
 200     { 3, "OFPT_ECHO_REPLY" },         /* Symmetric message */
 201     { 4, "OFPT_VENDOR" },             /* Symmetric message */
 202 /* Switch configuration messages. */
 203     { 5, "OFPT_FEATURES_REQUEST" },   /* Controller/switch message */
 204     { 6, "OFPT_FEATURES_REPLY" },     /* Controller/switch message */
 205     { 7, "OFPT_GET_CONFIG_REQUEST" }, /* Controller/switch message */
 206     { 8, "OFPT_GET_CONFIG_REPLY" },   /* Controller/switch message */
 207     { 9, "OFPT_SET_CONFIG" },         /* Controller/switch message */
 208 /* Asynchronous messages. */
 209     { 10, "OFPT_PACKET_IN" },                /* Async message */
 210     { 11, "OFPT_FLOW_REMOVED" },             /* Async message */
 211     { 12, "OFPT_PORT_STATUS" },              /* Async message */
 212 /* Controller command messages. */
 213     { 13, "OFPT_PACKET_OUT" },               /* Controller/switch message */
 214     { 14, "OFPT_FLOW_MOD" },                 /* Controller/switch message */
 215     { 15, "OFPT_PORT_MOD" },                 /* Controller/switch message */
 216 /* Statistics messages. */
 217     { 16, "OFPT_STATS_REQUEST" },            /* Controller/switch message */
 218     { 17, "OFPT_STATS_REPLY" },              /* Controller/switch message */
 219 /* Barrier messages. */
 220     { 18, "OFPT_BARRIER_REQUEST" },          /* Controller/switch message */
 221     { 19, "OFPT_BARRIER_REPLY" },            /* Controller/switch message */
 222 /* Queue Configuration messages. */
 223     { 20, "OFPT_QUEUE_GET_CONFIG_REQUEST" }, /* Controller/switch message */
 224     { 21, "OFPT_QUEUE_GET_CONFIG_REPLY" },   /* Controller/switch message */
 225     { 0, NULL }
 226 };
 227
 228
 229 #define OFPC_FLOW_STATS   1<<0  /* Flow statistics. */
 230 #define OFPC_TABLE_STATS  1<<1  /* Table statistics. */
 231 #define OFPC_PORT_STATS   1<<2  /* Port statistics. */
 232 #define OFPC_GROUP_STATS  1<<3  /* Group statistics. */
 233 #define OFPC_IP_REASM     1<<5  /* Can reassemble IP fragments. */
 234 #define OFPC_QUEUE_STATS  1<<6  /* Queue statistics. */
 235 #define OFPC_PORT_BLOCKED 1<<8  /* Switch will block looping ports. */
 236
 237 #define OFPAT_OUTPUT_MASK       1<<0  /* Output to switch port. */
 238 #define OFPAT_SET_VLAN_VID_MASK 1<<1  /* Set the 802.1q VLAN id. */
 239 #define OFPAT_SET_VLAN_PCP_MASK 1<<2  /* Set the 802.1q priority. */
 240 #define OFPAT_STRIP_VLAN_MASK   1<<3  /* Strip the 802.1q header. */
 241 #define OFPAT_SET_DL_SRC_MASK   1<<4  /* Ethernet source address. */
 242 #define OFPAT_SET_DL_DST_MASK   1<<5  /* Ethernet destination address. */
 243 #define OFPAT_SET_NW_SRC_MASK   1<<6  /* IP source address. */
 244 #define OFPAT_SET_NW_DST_MASK   1<<7  /* IP destination address. */
 245 #define OFPAT_SET_NW_TOS_MASK   1<<8  /* IP ToS (DSCP field, 6 bits). */
 246 #define OFPAT_SET_TP_SRC_MASK   1<<9  /* TCP/UDP source port. */
 247 #define OFPAT_SET_TP_DST_MASK   1<<10 /* TCP/UDP destination port. */
 248 #define OFPAT_ENQUEUE_MASK      1<<11 /* Output to queue. */
 249
 250 #define OFPPC_PORT_DOWN    1<<0 /* Port is administratively down. */
 251 #define OFPPC_NO_STP       1<<1 /* Disable 802.1D spanning tree on port. */
 252 #define OFPPC_NO_RECV      1<<2 /* Drop all packets except 802.1D spanning tree packets. */
 253 #define OFPPC_NO_RECV_STP  1<<3 /* Drop received 802.1D STP packets. */
 254 #define OFPPC_NO_FLOOD     1<<4 /* Do not include this port when flooding. */
 255 #define OFPPC_NO_FWD       1<<5 /* Drop packets forwarded to port. */
 256 #define OFPPC_NO_PACKET_IN 1<<6 /* Do not send packet-in msgs for port. */
 257
 258 #define OFP_MAX_PORT_NAME_LEN 16
 259
 260 #define OFPPS_LINK_DOWN    1<<0 /* No physical link present. */
 261 #define OFPPS_STP_LISTEN   0<<8 /* Not learning or relaying frames. */
 262 #define OFPPS_STP_LEARN    1<<8 /* Learning but not relaying frames. */
 263 #define OFPPS_STP_FORWARD  2<<8 /* Learning and relaying frames. */
 264 #define OFPPS_STP_BLOCK    3<<8 /* Not part of spanning tree. */
 265 #define OFPPS_STP_MASK     3<<8 /* Bit mask for OFPPS_STP_* values. */
 266
 267
 268 #define OFPPF_10MB_HD      1<<0 /* 10 Mb half-duplex rate support. */
 269 #define OFPPF_10MB_FD      1<<1 /* 10 Mb full-duplex rate support. */
 270 #define OFPPF_100MB_HD     1<<2 /* 100 Mb half-duplex rate support. */
 271 #define OFPPF_100MB_FD     1<<3 /* 100 Mb full-duplex rate support. */
 272 #define OFPPF_1GB_HD       1<<4 /* 1 Gb half-duplex rate support. */
 273 #define OFPPF_1GB_FD       1<<5 /* 1 Gb full-duplex rate support. */
 274 #define OFPPF_10GB_FD      1<<6 /* 10 Gb full-duplex rate support. */
 275 #define OFPPF_COPPER       1<<7 /* Copper medium. */
 276 #define OFPPF_FIBER        1<<8 /* Fiber medium. */
 277 #define OFPPF_AUTONEG      1<<9 /* Auto-negotiation. */
 278 #define OFPPF_PAUSE        1<<10 /* Pause. */
 279 #define OFPPF_PAUSE_ASYM   1<<11 /* Asymmetric pause. */
 280
 281
 282 #define OFPAT_OUTPUT         0 /* Output to switch port. */
 283 #define OFPAT_SET_VLAN_VID   1 /* Set the 802.1q VLAN id. */
 284 #define OFPAT_SET_VLAN_PCP   2 /* Set the 802.1q priority. */
 285 #define OFPAT_STRIP_VLAN     3 /* Strip the 802.1q header. */
 286 #define OFPAT_SET_DL_SRC     4 /* Ethernet source address. */
 287 #define OFPAT_SET_DL_DST     5 /* Ethernet destination address. */
 288 #define OFPAT_SET_NW_SRC     6 /* IP source address. */
 289 #define OFPAT_SET_NW_DST     7 /* IP destination address. */
 290 #define OFPAT_SET_TP_SRC     8 /* TCP/UDP source port. */
 291 #define OFPAT_SET_TP_DST     9 /* TCP/UDP destination port. */
 292 #define OFPAT_VENDOR         0xffff
 293
 294 static int
 295 dissect_openflow_ofp_match_v1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
 296 {
 297
 298     /* uint32_t wildcards; Wildcard fields. */
 299     proto_tree_add_item(tree, hf_openflow_wildcards, tvb, offset, 4, ENC_BIG_ENDIAN);
 300     offset+=4;
 301     /* uint16_t in_port; Input switch port. */
 302     proto_tree_add_item(tree, hf_openflow_in_port, tvb, offset, 2, ENC_BIG_ENDIAN);
 303     offset+=2;
 304
 305     /* uint8_t dl_src[OFP_ETH_ALEN];  Ethernet source address. */
 306     proto_tree_add_item(tree, hf_openflow_eth_src, tvb, offset, 6, ENC_NA);
 307     offset+=6;
 308     /* uint8_t dl_dst[OFP_ETH_ALEN]; Ethernet destination address. */
 309     proto_tree_add_item(tree, hf_openflow_eth_dst, tvb, offset, 6, ENC_NA);
 310     offset+=6;
 311     /* uint16_t dl_vlan; Input VLAN id. */
 312     proto_tree_add_item(tree, hf_openflow_dl_vlan, tvb, offset, 2, ENC_BIG_ENDIAN);
 313     offset+=2;
 314     /* uint8_t dl_vlan_pcp; Input VLAN priority. */
 315     proto_tree_add_item(tree, hf_openflow_dl_vlan_pcp, tvb, offset, 1, ENC_BIG_ENDIAN);
 316     offset++;
 317     /* uint8_t pad1[1]; Align to 64-bits */
 318     proto_tree_add_item(tree, hf_openflow_ofp_match_pad, tvb, offset, 1, ENC_NA);
 319     offset++;
 320     /* uint16_t dl_type; Ethernet frame type. */
 321     /* uint8_t nw_tos; IP ToS (actually DSCP field, 6 bits). */
 322     /* uint8_t nw_proto; IP protocol or lower 8 bits of
 323      * ARP opcode.
 324      */
 325     /* uint8_t pad2[2]; Align to 64-bits */
 326     /* uint32_t nw_src; IP source address. */
 327     /* uint32_t nw_dst; IP destination address. */
 328     /* uint16_t tp_src; TCP/UDP source port. */
 329     /* uint16_t tp_dst; TCP/UDP destination port. */
 330     proto_tree_add_expert(tree, pinfo, &ei_openflow_undecoded_data, tvb, offset, 18);
 331     offset +=18;
 332
 333     return offset;
 334 }
 335
 336
 337 static const value_string openflow_action_values[] = {
 338     { OFPAT_OUTPUT,          "Output to switch port" },
 339     { OFPAT_SET_VLAN_VID,    "Set the 802.1q VLAN id" },
 340     { OFPAT_SET_VLAN_PCP,    "Set the 802.1q priority" },
 341     { OFPAT_STRIP_VLAN,      "Strip the 802.1q header" },
 342     { OFPAT_SET_DL_SRC,      "Ethernet source address" },
 343     { OFPAT_SET_DL_DST,      "Ethernet destination address" },
 344     { OFPAT_SET_NW_SRC,      "IP source address" },
 345     { OFPAT_SET_NW_DST,      "IP destination address" },
 346     { OFPAT_SET_TP_SRC,      "TCP/UDP source port" },
 347     { OFPAT_SET_TP_DST,      "TCP/UDP destination port" },
 348     { OFPAT_VENDOR,          "Vendor specific action"},
 349     { 0, NULL }
 350 };
 351
 352 static int
 353 dissect_openflow_action_header(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
 354 {
 355     guint16 action_type, action_len;
 356     proto_item* ti;
 357
 358     /* uint16_t type;  One of OFPAT_*. */
 359     action_type = tvb_get_ntohs(tvb, offset);
 360     ti = proto_tree_add_item(tree, hf_openflow_action_type, tvb, offset, 2, ENC_BIG_ENDIAN);
 361     offset+=2;
 362     /* Length of action, including this
 363      * header. This is the length of action,
 364      * including any padding to make it
 365      * 64-bit aligned.
 366      */
 367     action_len = tvb_get_ntohs(tvb, offset);
 368     proto_tree_add_item(tree, hf_openflow_action_len, tvb, offset, 2, ENC_BIG_ENDIAN);
 369     offset+=2;
 370
 371     switch(action_type){
 372     case OFPAT_OUTPUT:
 373         /* uint16_t port;  Output port. */
 374         proto_tree_add_item(tree, hf_openflow_output_port, tvb, offset, 2, ENC_BIG_ENDIAN);
 375         offset+=2;
 376         /* uint16_t max_len;  Max length to send to controller. */
 377         proto_tree_add_item(tree, hf_openflow_max_len, tvb, offset, 2, ENC_BIG_ENDIAN);
 378         offset+=2;
 379         break;
 380     default:
 381         expert_add_info(pinfo, ti, &ei_openflow_action_type);
 382         offset+=(action_len-4);
 383         break;
 384     }
 385
 386     return offset;
 387 }
 388 static void
 389 dissect_openflow_phy_port(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
 390 {
 391     proto_item *ti;
 392     proto_tree *port_cnf_tree, *port_state_tree, *port_cf_tree;
 393
 394     proto_tree_add_item(tree, hf_openflow_port_no, tvb, offset, 2, ENC_BIG_ENDIAN);
 395     offset+=2;
 396     proto_tree_add_item(tree, hf_openflow_hw_addr, tvb, offset, 6, ENC_NA);
 397     offset+=6;
 398     proto_tree_add_item(tree, hf_openflow_port_name, tvb, offset, OFP_MAX_PORT_NAME_LEN, ENC_ASCII|ENC_NA);
 399     offset+=OFP_MAX_PORT_NAME_LEN;
 400
 401     /* Bitmap of OFPPC_* flags. */
 402     ti = proto_tree_add_item(tree, hf_openflow_port_config, tvb, offset, 4, ENC_BIG_ENDIAN);
 403     port_cnf_tree = proto_item_add_subtree(ti, ett_openflow_port_cnf);
 404
 405     /* Port is administratively down. */
 406     proto_tree_add_item(port_cnf_tree, hf_openflow_port_down, tvb, offset, 4, ENC_BIG_ENDIAN);
 407     /* Disable 802.1D spanning tree on port. */
 408     proto_tree_add_item(port_cnf_tree, hf_openflow_no_stp, tvb, offset, 4, ENC_BIG_ENDIAN);
 409     /* Drop all packets except 802.1D spanning tree packets. */
 410     proto_tree_add_item(port_cnf_tree, hf_openflow_no_recv, tvb, offset, 4, ENC_BIG_ENDIAN);
 411     /* Drop received 802.1D STP packets. */
 412     proto_tree_add_item(port_cnf_tree, hf_openflow_no_recv_stp, tvb, offset, 4, ENC_BIG_ENDIAN);
 413     /* Do not include this port when flooding. */
 414     proto_tree_add_item(port_cnf_tree, hf_openflow_no_flood, tvb, offset, 4, ENC_BIG_ENDIAN);
 415      /* Drop packets forwarded to port. */
 416     proto_tree_add_item(port_cnf_tree, hf_openflow_no_fwd, tvb, offset, 4, ENC_BIG_ENDIAN);
 417     /* Do not send packet-in msgs for port. */
 418     proto_tree_add_item(port_cnf_tree, hf_openflow_no_packet_in, tvb, offset, 4, ENC_BIG_ENDIAN);
 419     offset+=4;
 420
 421     /* Bitmap of OFPPS_* flags. */
 422     ti = proto_tree_add_item(tree, hf_openflow_port_state, tvb, offset, 4, ENC_BIG_ENDIAN);
 423     port_state_tree = proto_item_add_subtree(ti, ett_openflow_port_state);
 424
 425     /* No physical link present. */
 426     proto_tree_add_item(port_state_tree, hf_openflow_link_down, tvb, offset, 4, ENC_BIG_ENDIAN);
 427
 428     offset+=4;
 429
 430     /* Current features. */
 431     ti = proto_tree_add_item(tree, hf_openflow_port_curr, tvb, offset, 4, ENC_BIG_ENDIAN);
 432     port_cf_tree = proto_item_add_subtree(ti, ett_openflow_port_cf);
 433     /* 10 Mb half-duplex rate support. */
 434     proto_tree_add_item(port_cf_tree, hf_openflow_10mb_hd, tvb, offset, 4, ENC_BIG_ENDIAN);
 435     /* 10 Mb full-duplex rate support. */
 436     proto_tree_add_item(port_cf_tree, hf_openflow_10mb_fd, tvb, offset, 4, ENC_BIG_ENDIAN);
 437     /* 100 Mb half-duplex rate support. */
 438     proto_tree_add_item(port_cf_tree, hf_openflow_100mb_hd, tvb, offset, 4, ENC_BIG_ENDIAN);
 439     /* 100 Mb full-duplex rate support. */
 440     proto_tree_add_item(port_cf_tree, hf_openflow_100mb_fd, tvb, offset, 4, ENC_BIG_ENDIAN);
 441     /* 1 Gb half-duplex rate support. */
 442     proto_tree_add_item(port_cf_tree, hf_openflow_1gb_hd, tvb, offset, 4, ENC_BIG_ENDIAN);
 443     /* 1 Gb full-duplex rate support. */
 444     proto_tree_add_item(port_cf_tree, hf_openflow_1gb_fd, tvb, offset, 4, ENC_BIG_ENDIAN);
 445     /* 10 Gb full-duplex rate support. */
 446     proto_tree_add_item(port_cf_tree, hf_openflow_10gb_fd, tvb, offset, 4, ENC_BIG_ENDIAN);
 447     /* Copper medium. */
 448     proto_tree_add_item(port_cf_tree, hf_openflow_copper, tvb, offset, 4, ENC_BIG_ENDIAN);
 449     /* Fiber medium. */
 450     proto_tree_add_item(port_cf_tree, hf_openflow_fiber, tvb, offset, 4, ENC_BIG_ENDIAN);
 451     /* Auto-negotiation. */
 452     proto_tree_add_item(port_cf_tree, hf_openflow_autoneg, tvb, offset, 4, ENC_BIG_ENDIAN);
 453     /* Pause. */
 454     proto_tree_add_item(port_cf_tree, hf_openflow_pause, tvb, offset, 4, ENC_BIG_ENDIAN);
 455     /* Asymmetric pause. */
 456     proto_tree_add_item(port_cf_tree, hf_openflow_pause_asym, tvb, offset, 4, ENC_BIG_ENDIAN);
 457     offset+=4;
 458
 459     /* Features being advertised by the port. */
 460     proto_tree_add_item(tree, hf_openflow_port_advertised, tvb, offset, 4, ENC_BIG_ENDIAN);
 461     offset+=4;
 462
 463     /* Features supported by the port. */
 464     proto_tree_add_item(tree, hf_openflow_port_supported, tvb, offset, 4, ENC_BIG_ENDIAN);
 465     offset+=4;
 466     /* Features advertised by peer. */
 467     proto_tree_add_item(tree, hf_openflow_port_peer, tvb, offset, 4, ENC_BIG_ENDIAN);
 468
 469
 470 }
 471
 472 #if 0
 473 /*
 474  * Switch features.
 475  */
 476
 477 struct ofp_switch_features {
 478     struct ofp_header   header;
 479     uint64_t            datapath_id;  /* Datapath unique ID. The lower 48-bits are for
 480                                          a MAC address, while the upper 16-bits are
 481                                          implementer-defined. */
 482     uint32_t            n_buffers;    /* Max packets buffered at once. */
 483     uint8_t             n_tables;     /* Number of tables supported by datapath. */
 484     uint8_t             pad[3];       /* Align to 64-bits. */
 485     /* Features. */
 486     uint32_t            capabilities; /* Bitmap of support "ofp_capabilities". */
 487     uint32_t            actions;      /* Bitmap of supported "ofp_action_type"s. */
 488     /* Port info.*/
 489     struct ofp_phy_port ports[0];     /* Port definitions. The number of ports
 490                                          is inferred from the length field in
 491                                          the header. */
 492 #endif
 493
 494 static void
 495 dissect_openflow_features_reply_v1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, guint16 length)
 496 {
 497     proto_item *ti;
 498     proto_tree *path_id_tree, *cap_tree, *act_tree;
 499
 500     guint16 length_remaining;
 501
 502     ti = proto_tree_add_item(tree, hf_openflow_datapath_id, tvb, offset, 8, ENC_BIG_ENDIAN);
 503     path_id_tree = proto_item_add_subtree(ti, ett_openflow_path_id);
 504     proto_tree_add_item(path_id_tree, hf_openflow_datapath_mac, tvb, offset, 6, ENC_NA);
 505     offset+=6;
 506     proto_tree_add_item(path_id_tree, hf_openflow_datapath_impl, tvb, offset, 2, ENC_BIG_ENDIAN);
 507     offset+=2;
 508
 509     proto_tree_add_item(tree, hf_openflow_n_buffers, tvb, offset, 4, ENC_BIG_ENDIAN);
 510     offset+=4;
 511
 512     proto_tree_add_item(tree, hf_openflow_n_tables, tvb, offset, 1, ENC_BIG_ENDIAN);
 513     offset++;
 514
 515     proto_tree_add_item(tree, hf_openflow_features_reply_pad, tvb, offset, 3, ENC_NA);
 516     offset+=3;
 517
 518     ti = proto_tree_add_item(tree, hf_openflow_capabilities, tvb, offset, 4, ENC_BIG_ENDIAN);
 519     cap_tree = proto_item_add_subtree(ti, ett_openflow_cap);
 520
 521     /* Dissect flags */
 522     proto_tree_add_item(cap_tree, hf_openflow_cap_flow_stats, tvb, offset, 4, ENC_BIG_ENDIAN);
 523     proto_tree_add_item(cap_tree, hf_openflow_table_stats,    tvb, offset, 4, ENC_BIG_ENDIAN);
 524     proto_tree_add_item(cap_tree, hf_openflow_port_stats,     tvb, offset, 4, ENC_BIG_ENDIAN);
 525     proto_tree_add_item(cap_tree, hf_openflow_group_stats,    tvb, offset, 4, ENC_BIG_ENDIAN);
 526     proto_tree_add_item(cap_tree, hf_openflow_ip_reasm,       tvb, offset, 4, ENC_BIG_ENDIAN);
 527     proto_tree_add_item(cap_tree, hf_openflow_queue_stats,    tvb, offset, 4, ENC_BIG_ENDIAN);
 528     proto_tree_add_item(cap_tree, hf_openflow_port_blocked,   tvb, offset, 4, ENC_BIG_ENDIAN);
 529     offset+=4;
 530
 531     ti = proto_tree_add_item(tree, hf_openflow_actions, tvb, offset, 4, ENC_BIG_ENDIAN);
 532     act_tree = proto_item_add_subtree(ti, ett_openflow_act);
 533     /* Dissect flags */
 534     proto_tree_add_item(act_tree, hf_openflow_output, tvb, offset, 4, ENC_BIG_ENDIAN);
 535     proto_tree_add_item(act_tree, hf_openflow_set_vlan_vid, tvb, offset, 4, ENC_BIG_ENDIAN);
 536     proto_tree_add_item(act_tree, hf_openflow_set_vlan_pcp, tvb, offset, 4, ENC_BIG_ENDIAN);
 537     proto_tree_add_item(act_tree, hf_openflow_strip_vlan, tvb, offset, 4, ENC_BIG_ENDIAN);
 538     proto_tree_add_item(act_tree, hf_openflow_set_dl_src, tvb, offset, 4, ENC_BIG_ENDIAN);
 539     proto_tree_add_item(act_tree, hf_openflow_set_dl_dst, tvb, offset, 4, ENC_BIG_ENDIAN);
 540     proto_tree_add_item(act_tree, hf_openflow_set_nw_src, tvb, offset, 4, ENC_BIG_ENDIAN);
 541     proto_tree_add_item(act_tree, hf_openflow_set_nw_dst, tvb, offset, 4, ENC_BIG_ENDIAN);
 542     proto_tree_add_item(act_tree, hf_openflow_set_nw_tos, tvb, offset, 4, ENC_BIG_ENDIAN);
 543     proto_tree_add_item(act_tree, hf_openflow_set_tp_src, tvb, offset, 4, ENC_BIG_ENDIAN);
 544     proto_tree_add_item(act_tree, hf_openflow_set_tp_dst, tvb, offset, 4, ENC_BIG_ENDIAN);
 545     proto_tree_add_item(act_tree, hf_openflow_enqueue, tvb, offset, 4, ENC_BIG_ENDIAN);
 546     offset+=4;
 547
 548     length_remaining = length-32;
 549     if(length_remaining > 0){
 550         guint16 num_ports = length_remaining/48;
 551         int i;
 552         if ((length_remaining&0x003f) != 0){
 553             /* protocol_error */
 554         }
 555         for(i=0; i<num_ports ;i++){
 556             proto_tree *port_tree;
 557
 558             port_tree = proto_tree_add_subtree_format(tree, tvb, offset, 48, ett_openflow_port, NULL, "Port data %u",i+1);
 559             dissect_openflow_phy_port(tvb, pinfo, port_tree, offset);
 560             offset+=48;
 561         }
 562     }
 563
 564 }
 565
 566
 567 static void
 568 dissect_openflow_switch_config(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint16 length _U_)
 569 {
 570
 571     /* ofp_config_flags */
 572     proto_tree_add_item(tree, hf_openflow_config_flags, tvb, offset, 2, ENC_BIG_ENDIAN);
 573     offset+=2;
 574     /* miss_send_len */
 575     proto_tree_add_item(tree, hf_openflow_miss_send_len, tvb, offset, 2, ENC_BIG_ENDIAN);
 576     /*offset+=2;*/
 577
 578 }
 579
 580 #define OFPR_NO_MATCH       0        /* No matching flow (table-miss flow entry). */
 581 #define OFPR_ACTION         1        /* Action explicitly output to controller. */
 582 #define OFPR_INVALID_TTL    2        /* Packet has invalid TTL */
 583
 584 static const value_string openflow_reason_values[] = {
 585     { OFPR_NO_MATCH,    "No matching flow (table-miss flow entry)" },
 586     { OFPR_ACTION,      "Action explicitly output to controller" },
 587     { OFPR_INVALID_TTL, "Packet has invalid TTL" },
 588     { 0, NULL }
 589 };
 590
 591 static void
 592 dissect_openflow_pkt_in(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint16 length)
 593 {
 594     tvbuff_t *next_tvb;
 595
 596     /* uint32_t buffer_id;  ID assigned by datapath. */
 597     proto_tree_add_item(tree, hf_openflow_buffer_id, tvb, offset, 4, ENC_BIG_ENDIAN);
 598     offset+=4;
 599     /* uint16_t total_len;  Full length of frame. */
 600     proto_tree_add_item(tree, hf_openflow_total_len, tvb, offset, 2, ENC_BIG_ENDIAN);
 601     offset+=2;
 602
 603     /* uint16_t in_port;  Port on which frame was received. */
 604     proto_tree_add_item(tree, hf_openflow_in_port, tvb, offset, 2, ENC_BIG_ENDIAN);
 605     offset+=2;
 606
 607     /* uint8_t reason; Reason packet is being sent (one of OFPR_*) */
 608     proto_tree_add_item(tree, hf_openflow_reason, tvb, offset, 1, ENC_BIG_ENDIAN);
 609     offset++;
 610
 611     proto_tree_add_item(tree, hf_openflow_pkt_in_pad, tvb, offset, 1, ENC_NA);
 612     offset+=1;
 613
 614     next_tvb = tvb_new_subset_length(tvb, offset, length-offset);
 615     call_dissector(eth_withoutfcs_handle, next_tvb, pinfo, tree);
 616
 617 }
 618
 619 static void
 620 dissect_openflow_pkt_out(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint16 length _U_)
 621 {
 622     tvbuff_t *next_tvb;
 623     gint32 buffer_id;
 624
 625     /* uint32_t buffer_id;  ID assigned by datapath. */
 626     buffer_id = tvb_get_ntohl(tvb, offset);
 627     proto_tree_add_item(tree, hf_openflow_buffer_id, tvb, offset, 4, ENC_BIG_ENDIAN);
 628     offset+=4;
 629
 630     /* uint32_t in_port; Packet's input port or OFPP_CONTROLLER. */
 631     proto_tree_add_item(tree, hf_openflow_in_port, tvb, offset, 2, ENC_BIG_ENDIAN);
 632     offset+=2;
 633
 634     /* uint16_t actions_len;  Size of action array in bytes. */
 635     proto_tree_add_item(tree, hf_openflow_actions_len, tvb, offset, 2, ENC_BIG_ENDIAN);
 636     offset+=2;
 637
 638     /* struct ofp_action_header actions[0];  Action list. */
 639     offset = dissect_openflow_action_header(tvb, pinfo, tree, offset);
 640     /* Packet data. The length is inferred
 641        from the length field in the header.
 642        (Only meaningful if buffer_id == -1.)
 643      */
 644     if(buffer_id == -1){
 645         next_tvb = tvb_new_subset_length(tvb, offset, length-offset);
 646         call_dissector(eth_withoutfcs_handle, next_tvb, pinfo, tree);
 647     }
 648 }
 649
 650 #define OFPFC_ADD             0 /* New flow. */
 651 #define OFPFC_MODIFY          1 /* Modify all matching flows. */
 652 #define OFPFC_MODIFY_STRICT   2 /* Modify entry strictly matching wildcards */
 653 #define OFPFC_DELETE          3 /* Delete all matching flows. */
 654 #define OFPFC_DELETE_STRICT   4 /* Strictly match wildcards and priority. */
 655
 656 static const value_string openflow_command_values[] = {
 657     { OFPFC_ADD,            "New flow" },
 658     { OFPFC_MODIFY,         "Modify all matching flows" },
 659     { OFPFC_MODIFY_STRICT,  "Modify entry strictly matching wildcards" },
 660     { OFPFC_DELETE,         "Delete all matching flows" },
 661     { OFPFC_DELETE_STRICT,  "Strictly match wildcards and priority" },
 662     { 0, NULL }
 663 };
 664
 665 static void
 666 dissect_openflow_flow_mod(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, guint16 length _U_)
 667 {
 668
 669     /* struct ofp_match match;  Fields to match */
 670     offset = dissect_openflow_ofp_match_v1(tvb, pinfo, tree, offset);
 671
 672     /* uint64_t cookie; Opaque controller-issued identifier. */
 673     proto_tree_add_item(tree, hf_openflow_cookie, tvb, offset, 8, ENC_BIG_ENDIAN);
 674     offset+=8;
 675
 676     /* uint16_t command;  One of OFPFC_*. */
 677     proto_tree_add_item(tree, hf_openflow_command, tvb, offset, 2, ENC_BIG_ENDIAN);
 678     offset+=2;
 679
 680     /* uint16_t idle_timeout;  Idle time before discarding (seconds). */
 681     proto_tree_add_item(tree, hf_openflow_idle_timeout, tvb, offset, 2, ENC_BIG_ENDIAN);
 682     offset+=2;
 683     /* uint16_t hard_timeout; Max time before discarding (seconds). */
 684     proto_tree_add_item(tree, hf_openflow_hard_timeout, tvb, offset, 2, ENC_BIG_ENDIAN);
 685     offset+=2;
 686     /* uint16_t priority; Priority level of flow entry. */
 687     proto_tree_add_item(tree, hf_openflow_priority, tvb, offset, 2, ENC_BIG_ENDIAN);
 688     offset+=2;
 689     /* uint32_t buffer_id;  Buffered packet to apply to, or OFP_NO_BUFFER.
 690        Not meaningful for OFPFC_DELETE*.
 691      */
 692     proto_tree_add_item(tree, hf_openflow_buffer_id, tvb, offset, 4, ENC_BIG_ENDIAN);
 693     offset+=4;
 694     /* uint32_t out_port; For OFPFC_DELETE* commands, require
 695        matching entries to include this as an output port. A value of OFPP_ANY
 696        indicates no restriction.
 697        */
 698     proto_tree_add_item(tree, hf_openflow_out_port, tvb, offset, 2, ENC_BIG_ENDIAN);
 699     offset+=2;
 700
 701     /* uint16_t flags; One of OFPFF_*. */
 702     proto_tree_add_item(tree, hf_openflow_flags, tvb, offset, 2, ENC_BIG_ENDIAN);
 703     /*offset+=2;*/
 704 }
 705
 706 static int
 707 dissect_openflow_v1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
 708 {
 709     proto_item *ti, *type_item;
 710     proto_tree *openflow_tree;
 711     guint offset = 0;
 712     guint8 type;
 713     guint16 length;
 714
 715     type    = tvb_get_guint8(tvb, 1);
 716
 717     col_append_fstr(pinfo->cinfo, COL_INFO, "Type: %s",
 718                   val_to_str_const(type, openflow_1_0_type_values, "Unknown message type"));
 719
 720     /* Stop the Ethernet frame from overwriting the columns */
 721     if((type == OFPT_1_0_PACKET_IN) || (type == OFPT_1_0_PACKET_OUT)){
 722         col_set_writable(pinfo->cinfo, FALSE);
 723     }
 724
 725     /* Create display subtree for the protocol */
 726     ti = proto_tree_add_item(tree, proto_openflow_v1, tvb, 0, -1, ENC_NA);
 727     openflow_tree = proto_item_add_subtree(ti, ett_openflow);
 728
 729     /* A.1 OpenFlow Header. */
 730     /* OFP_VERSION. */
 731     proto_tree_add_item(openflow_tree, hf_openflow_version, tvb, offset, 1, ENC_BIG_ENDIAN);
 732     offset++;
 733
 734     /* One of the OFPT_ constants. */
 735     type_item = proto_tree_add_item(openflow_tree, hf_openflow_1_0_type, tvb, offset, 1, ENC_BIG_ENDIAN);
 736     offset++;
 737
 738     /* Length including this ofp_header. */
 739     length = tvb_get_ntohs(tvb, offset);
 740     proto_tree_add_item(openflow_tree, hf_openflow_length, tvb, offset, 2, ENC_BIG_ENDIAN);
 741     offset+=2;
 742
 743     /* Transaction id associated with this packet. Replies use the same id as was in the request
 744      * to facilitate pairing.
 745      */
 746     proto_tree_add_item(openflow_tree, hf_openflow_xid, tvb, offset, 4, ENC_BIG_ENDIAN);
 747     offset+=4;
 748
 749     switch(type){
 750     case OFPT_1_0_HELLO: /* 0 */
 751         /* 5.5.1 Hello
 752          * The OFPT_HELLO message has no body;
 753          */
 754         break;
 755     case OFPT_1_0_FEATURES_REQUEST: /* 5 */
 756         /* 5.3.1 Handshake
 757          * Upon TLS session establishment, the controller sends an OFPT_FEATURES_REQUEST
 758          * message. This message does not contain a body beyond the OpenFlow header.
 759          */
 760         break;
 761     case OFPT_1_0_FEATURES_REPLY: /* 6 */
 762         dissect_openflow_features_reply_v1(tvb, pinfo, openflow_tree, offset, length);
 763         break;
 764     case OFPT_1_0_GET_CONFIG_REQUEST: /* 7 */
 765         /* A.3.2 There is no body for OFPT_GET_CONFIG_REQUEST beyond the OpenFlow header. */
 766         break;
 767     case OFPT_1_0_GET_CONFIG_REPLY: /* 8 */
 768         /* Fall trough */
 769     case OFPT_1_0_SET_CONFIG: /* 9 */
 770         dissect_openflow_switch_config(tvb, pinfo, openflow_tree, offset, length);
 771         break;
 772     case OFPT_1_0_PACKET_IN: /* 10 */
 773         dissect_openflow_pkt_in(tvb, pinfo, openflow_tree, offset, length);
 774         break;
 775     case OFPT_1_0_PACKET_OUT: /* 13 */
 776         dissect_openflow_pkt_out(tvb, pinfo, openflow_tree, offset, length);
 777         break;
 778     case OFPT_1_0_FLOW_MOD: /* 14 */
 779         dissect_openflow_flow_mod(tvb, pinfo, openflow_tree, offset, length);
 780         break;
 781     default:
 782         if(length>8){
 783             expert_add_info(pinfo, type_item, &ei_openflow_1_0_type);
 784         }
 785         break;
 786     }
 787
 788     return tvb_reported_length(tvb);
 789
 790 }
 791
 792
 793 /*
 794  * Register the protocol with Wireshark.
 795  */
 796 void
 797 proto_register_openflow_v1(void)
 798 {
 799     static hf_register_info hf[] = {
 800         { &hf_openflow_version,
 801             { "Version", "openflow.version",
 802                FT_UINT8, BASE_HEX, VALS(openflow_version_values), 0x7f,
 803                NULL, HFILL }
 804         },
 805         { &hf_openflow_1_0_type,
 806             { "Type", "openflow_1_0.type",
 807                FT_UINT8, BASE_DEC, VALS(openflow_1_0_type_values), 0x0,
 808                NULL, HFILL }
 809         },
 810         { &hf_openflow_xid,
 811             { "Transaction ID", "openflow.xid",
 812                FT_UINT32, BASE_DEC, NULL, 0x0,
 813                NULL, HFILL }
 814         },
 815         { &hf_openflow_length,
 816             { "Length", "openflow.length",
 817                FT_UINT16, BASE_DEC, NULL, 0x0,
 818                NULL, HFILL }
 819         },
 820         { &hf_openflow_datapath_id,
 821             { "Datapath unique ID", "openflow.datapath_id",
 822                FT_UINT64, BASE_HEX, NULL, 0x0,
 823                NULL, HFILL }
 824         },
 825         { &hf_openflow_datapath_mac,
 826             { "MAC addr", "openflow.datapath_mac",
 827                FT_ETHER, BASE_NONE, NULL, 0x0,
 828                NULL, HFILL }
 829         },
 830         { &hf_openflow_datapath_impl,
 831             { "Implementers part", "openflow.datapath_imp",
 832                FT_UINT16, BASE_HEX, NULL, 0x0,
 833                NULL, HFILL }
 834         },
 835         { &hf_openflow_n_buffers,
 836             { "n_buffers", "openflow.n_buffers",
 837                FT_UINT32, BASE_DEC, NULL, 0x0,
 838                NULL, HFILL }
 839         },
 840         { &hf_openflow_n_tables,
 841             { "n_tables", "openflow.n_tables",
 842                FT_UINT8, BASE_DEC, NULL, 0x0,
 843                NULL, HFILL }
 844         },
 845 #if 0
 846         { &hf_openflow_auxiliary_id,
 847             { "auxiliary_id", "openflow.auxiliary_id",
 848                FT_UINT8, BASE_DEC, NULL, 0x0,
 849                NULL, HFILL }
 850         },
 851 #endif
 852         { &hf_openflow_capabilities,
 853             { "capabilities", "openflow.capabilities",
 854                FT_UINT32, BASE_HEX, NULL, 0x0,
 855                NULL, HFILL }
 856         },
 857         { &hf_openflow_actions,
 858             { "actions", "openflow.actions",
 859                FT_UINT32, BASE_HEX, NULL, 0x0,
 860                NULL, HFILL }
 861         },
 862 #if 0
 863         { &hf_openflow_reserved32,
 864             { "Reserved", "openflow.reserved32",
 865                FT_UINT32, BASE_DEC, NULL, 0x0,
 866                NULL, HFILL }
 867         },
 868 #endif
 869         { &hf_openflow_cap_flow_stats,
 870             { "Flow statistics", "openflow.flow_stats",
 871                FT_BOOLEAN, 32, NULL, OFPC_FLOW_STATS,
 872                NULL, HFILL }
 873         },
 874         { &hf_openflow_table_stats,
 875             { "Table statistics", "openflow.table_stats",
 876                FT_BOOLEAN, 32, NULL, OFPC_TABLE_STATS,
 877                NULL, HFILL }
 878         },
 879         { &hf_openflow_port_stats,
 880             { "Port statistics", "openflow.port_stats",
 881                FT_BOOLEAN, 32, NULL,  OFPC_PORT_STATS,
 882                NULL, HFILL }
 883         },
 884         { &hf_openflow_group_stats,
 885             { "Group statistics", "openflow.group_stats",
 886                FT_BOOLEAN, 32, NULL, OFPC_GROUP_STATS,
 887                NULL, HFILL }
 888         },
 889         { &hf_openflow_ip_reasm,
 890             { "Can reassemble IP fragments", "openflow.ip_reasm",
 891                FT_BOOLEAN, 32, NULL, OFPC_IP_REASM,
 892                NULL, HFILL }
 893         },
 894         { &hf_openflow_queue_stats,
 895             { "Queue statistics", "openflow.queue_stats",
 896                FT_BOOLEAN, 32, NULL, OFPC_QUEUE_STATS,
 897                NULL, HFILL }
 898         },
 899         { &hf_openflow_port_blocked,
 900             { "Switch will block looping ports", "openflow.port_blocked",
 901                FT_BOOLEAN, 32, NULL, OFPC_PORT_BLOCKED,
 902                NULL, HFILL }
 903         },
 904         { &hf_openflow_output,
 905             { "Output to switch port", "openflow.output",
 906                FT_BOOLEAN, 32, NULL, OFPAT_OUTPUT_MASK,
 907                NULL, HFILL }
 908         },
 909         { &hf_openflow_set_vlan_vid,
 910             { "Set the 802.1q VLAN id", "openflow.set_vlan_vid",
 911                FT_BOOLEAN, 32, NULL, OFPAT_SET_VLAN_VID_MASK,
 912                NULL, HFILL }
 913         },
 914         { &hf_openflow_set_vlan_pcp,
 915             { "Set the 802.1q priority", "openflow.set_vlan_pcp",
 916                FT_BOOLEAN, 32, NULL, OFPAT_SET_VLAN_PCP_MASK,
 917                NULL, HFILL }
 918         },
 919         { &hf_openflow_strip_vlan,
 920             { "Strip the 802.1q header", "openflow.strip_vlan",
 921                FT_BOOLEAN, 32, NULL, OFPAT_STRIP_VLAN_MASK,
 922                NULL, HFILL }
 923         },
 924         { &hf_openflow_set_dl_src,
 925             { "Ethernet source address", "openflow.set_dl_src",
 926                FT_BOOLEAN, 32, NULL, OFPAT_SET_DL_SRC_MASK,
 927                NULL, HFILL }
 928         },
 929         { &hf_openflow_set_dl_dst,
 930             { "Ethernet destination address", "openflow.set_dl_ds",
 931                FT_BOOLEAN, 32, NULL, OFPAT_SET_DL_DST_MASK,
 932                NULL, HFILL }
 933         },
 934         { &hf_openflow_set_nw_src,
 935             { "IP source address", "openflow.set_nw_src",
 936                FT_BOOLEAN, 32, NULL, OFPAT_SET_NW_SRC_MASK,
 937                NULL, HFILL }
 938         },
 939         { &hf_openflow_set_nw_dst,
 940             { "IP destination address", "openflow.set_nw_ds",
 941                FT_BOOLEAN, 32, NULL, OFPAT_SET_NW_DST_MASK,
 942                NULL, HFILL }
 943         },
 944         { &hf_openflow_set_nw_tos,
 945             { "IP ToS (DSCP field, 6 bits)", "openflow.set_nw_tos",
 946                FT_BOOLEAN, 32, NULL, OFPAT_SET_NW_TOS_MASK,
 947                NULL, HFILL }
 948         },
 949         { &hf_openflow_set_tp_src,
 950             { "TCP/UDP source port", "openflow.set_tp_src",
 951                FT_BOOLEAN, 32, NULL, OFPAT_SET_TP_SRC_MASK,
 952                NULL, HFILL }
 953         },
 954         { &hf_openflow_set_tp_dst,
 955             { "TCP/UDP destination port", "openflow.set_tp_dst",
 956                FT_BOOLEAN, 32, NULL, OFPAT_SET_TP_DST_MASK,
 957                NULL, HFILL }
 958         },
 959         { &hf_openflow_enqueue,
 960             { "Output to queue", "openflow.enqueue",
 961                FT_BOOLEAN, 32, NULL, OFPAT_ENQUEUE_MASK,
 962                NULL, HFILL }
 963         },
 964         { &hf_openflow_port_no,
 965             { "Port number", "openflow.port_no",
 966                FT_UINT16, BASE_DEC, NULL, 0x0,
 967                NULL, HFILL }
 968         },
 969         { &hf_openflow_hw_addr,
 970             { "HW Address", "openflow.hw_add",
 971                FT_ETHER, BASE_NONE, NULL, 0x0,
 972                NULL, HFILL }
 973         },
 974         { &hf_openflow_port_name,
 975             { "Name", "openflow.hw_add",
 976                FT_STRING, BASE_NONE, NULL, 0x0,
 977                NULL, HFILL }
 978         },
 979         { &hf_openflow_port_config,
 980             { "Config flags", "openflow.port_config",
 981                FT_UINT32, BASE_HEX, NULL, 0x0,
 982                NULL, HFILL }
 983         },
 984         { &hf_openflow_port_state,
 985             { "State flags", "openflow.port_state",
 986                FT_UINT32, BASE_HEX, NULL, 0x0,
 987                NULL, HFILL }
 988         },
 989         { &hf_openflow_port_curr,
 990             { "Current features", "openflow.port_curr",
 991                FT_UINT32, BASE_HEX, NULL, 0x0,
 992                NULL, HFILL }
 993         },
 994         { &hf_openflow_port_advertised,
 995             { "Advertised features", "openflow.port_advertised",
 996                FT_UINT32, BASE_HEX, NULL, 0x0,
 997                NULL, HFILL }
 998         },
 999         { &hf_openflow_port_supported,
1000             { "Features supported", "openflow.port_supported",
1001                FT_UINT32, BASE_HEX, NULL, 0x0,
1002                NULL, HFILL }
1003         },
1004         { &hf_openflow_port_peer,
1005             { "Features advertised by peer", "openflow.port_peer",
1006                FT_UINT32, BASE_HEX, NULL, 0x0,
1007                NULL, HFILL }
1008         },
1009         { &hf_openflow_port_down,
1010             { "Port is administratively down", "openflow.port_down",
1011                FT_BOOLEAN, 32, NULL, OFPPC_PORT_DOWN,
1012                NULL, HFILL }
1013         },
1014         { &hf_openflow_no_stp,
1015             { "Disable 802.1D spanning tree on port", "openflow.no_stp",
1016                FT_BOOLEAN, 32, NULL, OFPPC_NO_STP,
1017                NULL, HFILL }
1018         },
1019         { &hf_openflow_no_recv,
1020             { "Drop all packets except 802.1D spanning tree packets", "openflow.no_recv",
1021                FT_BOOLEAN, 32, NULL, OFPPC_NO_RECV,
1022                NULL, HFILL }
1023         },
1024         { &hf_openflow_no_recv_stp,
1025             { "Drop received 802.1D STP packets", "openflow.no_recv",
1026                FT_BOOLEAN, 32, NULL, OFPPC_NO_RECV_STP,
1027                NULL, HFILL }
1028         },
1029         { &hf_openflow_no_flood,
1030             { "Do not include this port when flooding", "openflow.no_flood",
1031                FT_BOOLEAN, 32, NULL, OFPPC_NO_FLOOD,
1032                NULL, HFILL }
1033         },
1034         { &hf_openflow_no_fwd,
1035             { "Drop packets forwarded to port", "openflow.no_fwd",
1036                FT_BOOLEAN, 32, NULL, OFPPC_NO_FWD,
1037                NULL, HFILL }
1038         },
1039         { &hf_openflow_no_packet_in,
1040             { "Do not send packet-in msgs for port", "openflow.no_packet_in",
1041                FT_BOOLEAN, 32, NULL, OFPPC_NO_PACKET_IN,
1042                NULL, HFILL }
1043         },
1044         { &hf_openflow_link_down,
1045             { "No physical link present", "openflow.link_down",
1046                FT_BOOLEAN, 32, NULL, OFPPS_LINK_DOWN,
1047                NULL, HFILL }
1048         },
1049         { &hf_openflow_10mb_hd,
1050             { "10 Mb half-duplex rate support", "openflow.10mb_hd",
1051                FT_BOOLEAN, 32, NULL, OFPPF_10MB_HD,
1052                NULL, HFILL }
1053         },
1054         { &hf_openflow_10mb_fd,
1055             { "10 Mb full-duplex rate support", "openflow.10mb_fd",
1056                FT_BOOLEAN, 32, NULL, OFPPF_10MB_FD,
1057                NULL, HFILL }
1058         },
1059         { &hf_openflow_100mb_hd,
1060             { "100 Mb half-duplex rate support", "openflow.100mb_hd",
1061                FT_BOOLEAN, 32, NULL, OFPPF_100MB_HD,
1062                NULL, HFILL }
1063         },
1064         { &hf_openflow_100mb_fd,
1065             { "100 Mb full-duplex rate support", "openflow.100mb_0fd",
1066                FT_BOOLEAN, 32, NULL, OFPPF_100MB_FD,
1067                NULL, HFILL }
1068         },
1069         { &hf_openflow_1gb_hd,
1070             { "1 Gb half-duplex rate support", "openflow.1gb_hd",
1071                FT_BOOLEAN, 32, NULL, OFPPF_1GB_HD,
1072                NULL, HFILL }
1073         },
1074         { &hf_openflow_1gb_fd,
1075             { "1 Gb full-duplex rate support", "openflow.1gb_fd",
1076                FT_BOOLEAN, 32, NULL, OFPPF_1GB_FD,
1077                NULL, HFILL }
1078         },
1079         { &hf_openflow_10gb_fd,
1080             { "10 Gb full-duplex rate support", "openflow.10gb_fd",
1081                FT_BOOLEAN, 32, NULL, OFPPF_10GB_FD,
1082                NULL, HFILL }
1083         },
1084         { &hf_openflow_copper,
1085             { "Copper medium", "openflow.copper",
1086                FT_BOOLEAN, 32, NULL, OFPPF_COPPER,
1087                NULL, HFILL }
1088         },
1089         { &hf_openflow_fiber,
1090             { "Fiber medium", "openflow.fiber",
1091                FT_BOOLEAN, 32, NULL, OFPPF_FIBER,
1092                NULL, HFILL }
1093         },
1094         { &hf_openflow_autoneg,
1095             { "Auto-negotiation", "openflow.autoneg",
1096                FT_BOOLEAN, 32, NULL, OFPPF_AUTONEG,
1097                NULL, HFILL }
1098         },
1099         { &hf_openflow_pause,
1100             { "Pause", "openflow.pause",
1101                FT_BOOLEAN, 32, NULL, OFPPF_PAUSE,
1102                NULL, HFILL }
1103         },
1104         { &hf_openflow_pause_asym,
1105             { "Asymmetric pause", "openflow.pause_asym",
1106                FT_BOOLEAN, 32, NULL, OFPPF_PAUSE_ASYM,
1107                NULL, HFILL }
1108         },
1109         { &hf_openflow_config_flags,
1110             { "Config flags", "openflow.config_flags",
1111                FT_UINT16, BASE_HEX, NULL, 0x0,
1112                NULL, HFILL }
1113         },
1114         { &hf_openflow_miss_send_len,
1115             { "Max bytes of packet", "openflow.miss_send_len",
1116                FT_UINT16, BASE_HEX, NULL, 0x0,
1117                NULL, HFILL }
1118         },
1119         { &hf_openflow_buffer_id,
1120             { "Buffer Id", "openflow.buffer_id",
1121                FT_UINT32, BASE_HEX, NULL, 0x0,
1122                NULL, HFILL }
1123         },
1124         { &hf_openflow_total_len,
1125             { "Total length", "openflow.total_len",
1126                FT_UINT16, BASE_DEC, NULL, 0x0,
1127                NULL, HFILL }
1128         },
1129         { &hf_openflow_in_port,
1130             { "In port", "openflow.in_port",
1131                FT_UINT16, BASE_DEC, NULL, 0x0,
1132                NULL, HFILL }
1133         },
1134         { &hf_openflow_reason,
1135             { "Reason", "openflow.reason",
1136                FT_UINT8, BASE_DEC, VALS(openflow_reason_values), 0x0,
1137                NULL, HFILL }
1138         },
1139
1140         { &hf_openflow_pkt_in_pad,
1141             { "Pad", "openflow.pkt_in.pad",
1142                FT_BYTES, BASE_NONE, NULL, 0x0,
1143                NULL, HFILL }
1144         },
1145 #if 0
1146         { &hf_openflow_table_id,
1147             { "Table Id", "openflow.table_id",
1148                FT_UINT8, BASE_DEC, NULL, 0x0,
1149                NULL, HFILL }
1150         },
1151 #endif
1152         { &hf_openflow_cookie,
1153             { "Cookie", "openflow.cookie",
1154                FT_UINT64, BASE_HEX, NULL, 0x0,
1155                NULL, HFILL }
1156         },
1157 #if 0
1158         { &hf_openflow_cookie_mask,
1159             { "Cookie mask", "openflow.cookie",
1160                FT_UINT64, BASE_HEX, NULL, 0x0,
1161                NULL, HFILL }
1162         },
1163 #endif
1164         { &hf_openflow_features_reply_pad,
1165             { "Pad", "openflow.features_reply.pad",
1166                FT_BYTES, BASE_NONE, NULL, 0x0,
1167                NULL, HFILL }
1168         },
1169         { &hf_openflow_actions_len,
1170             { "Actions length", "openflow.actions_len",
1171                FT_UINT16, BASE_DEC, NULL, 0x0,
1172                NULL, HFILL }
1173         },
1174         { &hf_openflow_action_type,
1175             { "Actions type", "openflow.action_typ",
1176                FT_UINT16, BASE_DEC, VALS(openflow_action_values), 0x0,
1177                NULL, HFILL }
1178         },
1179         { &hf_openflow_action_len,
1180             { "Action length", "openflow.action_len",
1181                FT_UINT16, BASE_DEC, NULL, 0x0,
1182                NULL, HFILL }
1183         },
1184         { &hf_openflow_output_port,
1185             { "Output port", "openflow.output_port",
1186                FT_UINT16, BASE_DEC, NULL, 0x0,
1187                NULL, HFILL }
1188         },
1189         { &hf_openflow_max_len,
1190             { "Max length", "openflow.max_len",
1191                FT_UINT16, BASE_DEC, NULL, 0x0,
1192                NULL, HFILL }
1193         },
1194         { &hf_openflow_wildcards,
1195             { "Wildcards", "openflow.wildcards",
1196                FT_UINT32, BASE_DEC, NULL, 0x0,
1197                NULL, HFILL }
1198         },
1199         { &hf_openflow_command,
1200             { "Command", "openflow.command",
1201                FT_UINT16, BASE_DEC, VALS(openflow_command_values), 0x0,
1202                NULL, HFILL }
1203         },
1204         { &hf_openflow_eth_src,
1205             { "Ethernet source address", "openflow.eth_src",
1206                FT_ETHER, BASE_NONE, NULL, 0x0,
1207                NULL, HFILL }
1208         },
1209         { &hf_openflow_eth_dst,
1210             { "Ethernet destination address", "openflow.eth_src",
1211                FT_ETHER, BASE_NONE, NULL, 0x0,
1212                NULL, HFILL }
1213         },
1214         { &hf_openflow_dl_vlan,
1215             { "Input VLAN id", "openflow.dl_vlan",
1216                FT_UINT16, BASE_DEC, NULL, 0x0,
1217                NULL, HFILL }
1218         },
1219         { &hf_openflow_dl_vlan_pcp,
1220             { "Input VLAN priority", "openflow.dl_vlan_pcp",
1221                FT_UINT8, BASE_DEC, NULL, 0x0,
1222                NULL, HFILL }
1223         },
1224         { &hf_openflow_ofp_match_pad,
1225             { "Pad", "openflow.ofp_match.pad",
1226               FT_BYTES, BASE_NONE, NULL, 0x0,
1227                NULL, HFILL }
1228         },
1229         { &hf_openflow_idle_timeout,
1230             { "Idle time-out", "openflow.idle_timeout",
1231                FT_UINT16, BASE_DEC, NULL, 0x0,
1232                NULL, HFILL }
1233         },
1234         { &hf_openflow_hard_timeout,
1235             { "hard time-out", "openflow.hard_timeout",
1236                FT_UINT16, BASE_DEC, NULL, 0x0,
1237                NULL, HFILL }
1238         },
1239         { &hf_openflow_priority,
1240             { "Priority", "openflow.priority",
1241                FT_UINT16, BASE_DEC, NULL, 0x0,
1242                NULL, HFILL }
1243         },
1244         { &hf_openflow_out_port,
1245             { "Out port", "openflow.out_port",
1246                FT_UINT32, BASE_DEC, NULL, 0x0,
1247                NULL, HFILL }
1248         },
1249 #if 0
1250         { &hf_openflow_out_group,
1251             { "Out group", "openflow.out_group",
1252                FT_UINT32, BASE_DEC, NULL, 0x0,
1253                NULL, HFILL }
1254         },
1255 #endif
1256         { &hf_openflow_flags,
1257             { "Flags", "openflow.flags",
1258                FT_UINT16, BASE_DEC, NULL, 0x0,
1259                NULL, HFILL }
1260         },
1261     };
1262
1263     static gint *ett[] = {
1264         &ett_openflow,
1265         &ett_openflow_path_id,
1266         &ett_openflow_cap,
1267         &ett_openflow_act,
1268         &ett_openflow_port,
1269         &ett_openflow_port_cnf,
1270         &ett_openflow_port_state,
1271         &ett_openflow_port_cf
1272     };
1273
1274     static ei_register_info ei[] = {
1275         { &ei_openflow_undecoded_data, { "openflow.undecoded_data", PI_UNDECODED, PI_WARN, "Data not dissected yet", EXPFILL }},
1276         { &ei_openflow_action_type, { "openflow.action_typ.undecoded", PI_UNDECODED, PI_WARN, "Action not dissected yet", EXPFILL }},
1277         { &ei_openflow_1_0_type, { "openflow_1_0.type.undecoded", PI_UNDECODED, PI_WARN, "Message data not dissected yet", EXPFILL }},
1278     };
1279
1280     expert_module_t* expert_openflow_v1;
1281
1282     /* Register the protocol name and description */
1283     proto_openflow_v1 = proto_register_protocol("OpenFlow 1.0",
1284             "openflow_v1", "openflow_v1");
1285
1286     new_register_dissector("openflow_v1", dissect_openflow_v1, proto_openflow_v1);
1287
1288     eth_withoutfcs_handle = find_dissector("eth_withoutfcs");
1289
1290     /* Required function calls to register the header fields and subtrees */
1291     proto_register_field_array(proto_openflow_v1, hf, array_length(hf));
1292     proto_register_subtree_array(ett, array_length(ett));
1293     expert_openflow_v1 = expert_register_protocol(proto_openflow_v1);
1294     expert_register_field_array(expert_openflow_v1, ei, array_length(ei));
1295 }
1296
1297 /*
1298  * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
1299  *
1300  * Local variables:
1301  * c-basic-offset: 4
1302  * tab-width: 8
1303  * indent-tabs-mode: nil
1304  * End:
1305  *
1306  * vi: set shiftwidth=4 tabstop=8 expandtab:
1307  * :indentSize=4:tabSize=8:noTabs=true:
1308  */