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
  33 void proto_register_openflow_v1(void);
  34 void proto_reg_handoff_openflow_v1(void);
  35
  36 static dissector_handle_t eth_withoutfcs_handle;
  37
  38 /* Initialize the protocol and registered fields */
  39 static int proto_openflow_v1 = -1;
  40 static int hf_openflow_version = -1;
  41 static int hf_openflow_1_0_type = -1;
  42 static int hf_openflow_length = -1;
  43 static int hf_openflow_xid = -1;
  44
  45 static int hf_openflow_datapath_id = -1;
  46 static int hf_openflow_datapath_mac = -1;
  47 static int hf_openflow_datapath_impl = -1;
  48 static int hf_openflow_n_buffers = -1;
  49 static int hf_openflow_n_tables = -1;
  50 /* static int hf_openflow_auxiliary_id = -1; */
  51 /* static int hf_openflow_pad3 = -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_table_id = -1; */
 119 static int hf_openflow_cookie = -1;
 120 /* static int hf_openflow_cookie_mask = -1; */
 121 static int hf_openflow_padd8 = -1;
 122 /* static int hf_openflow_padd16 = -1; */
 123 /* static int hf_openflow_padd48 = -1; */
 124 static int hf_openflow_actions_len = -1;
 125 static int hf_openflow_action_type = -1;
 126 static int hf_openflow_action_len = -1;
 127 static int hf_openflow_output_port = -1;
 128 static int hf_openflow_max_len = -1;
 129 static int hf_openflow_wildcards = -1;
 130 static int hf_openflow_command = -1;
 131 static int hf_openflow_eth_src = -1;
 132 static int hf_openflow_eth_dst = -1;
 133 static int hf_openflow_dl_vlan = -1;
 134 static int hf_openflow_dl_vlan_pcp = -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 const value_string openflow_version_values[] = {
 153     { 0x01, "1.0" },
 154     { 0, NULL }
 155 };
 156
 157
 158 /* Immutable messages. */
 159 #define OFPT_1_0_HELLO                     0 /* Symmetric message */
 160 #define OFPT_1_0_ERROR                     1 /* Symmetric message */
 161 #define OFPT_1_0_ECHO_REQUEST              2 /* Symmetric message */
 162 #define OFPT_1_0_ECHO_REPLY                3 /* Symmetric message */
 163 #define OFPT_1_0_VENDOR                    4 /* Symmetric message */
 164 /* Switch configuration messages. */
 165 #define OFPT_1_0_FEATURES_REQUEST          5 /* Controller/switch message */
 166 #define OFPT_1_0_FEATURES_REPLY            6 /* Controller/switch message */
 167 #define OFPT_1_0_GET_CONFIG_REQUEST        7 /* Controller/switch message */
 168 #define OFPT_1_0_GET_CONFIG_REPLY          8 /* Controller/switch message */
 169 #define OFPT_1_0_SET_CONFIG                9 /* Controller/switch message */
 170 /* Asynchronous messages. */
 171 #define OFPT_1_0_PACKET_IN                10 /* Async message */
 172 #define OFPT_1_0_FLOW_REMOVED             11 /* Async message */
 173 #define OFPT_1_0_PORT_STATUS              12 /* Async message */
 174 /* Controller command messages. */
 175 #define OFPT_1_0_PACKET_OUT               13 /* Controller/switch message */
 176 #define OFPT_1_0_FLOW_MOD                 14 /* Controller/switch message */
 177 #define OFPT_1_0_PORT_MOD                 15 /* Controller/switch message */
 178 /* Statistics messages. */
 179 #define OFPT_1_0_STATS_REQUEST            16 /* Controller/switch message */
 180 #define OFPT_1_0_STATS_REPLY              17 /* Controller/switch message */
 181 /* Barrier messages. */
 182 #define OFPT_1_0_BARRIER_REQUEST          18 /* Controller/switch message */
 183 #define OFPT_1_0_BARRIER_REPLY            19 /* Controller/switch message */
 184 /* Queue Configuration messages. */
 185 #define OFPT_1_0_QUEUE_GET_CONFIG_REQUEST 20 /* Controller/switch message */
 186 #define OFPT_1_0_QUEUE_GET_CONFIG_REPLY   21 /* Controller/switch message */
 187
 188
 189 static const value_string openflow_1_0_type_values[] = {
 190 /* Immutable messages. */
 191
 192 /* Immutable messages. */
 193     { 0, "OFPT_HELLO" },              /* Symmetric message */
 194     { 1, "OFPT_ERROR" },              /* Symmetric message */
 195     { 2, "OFPT_ECHO_REQUEST" },       /* Symmetric message */
 196     { 3, "OFPT_ECHO_REPLY" },         /* Symmetric message */
 197     { 4, "OFPT_VENDOR" },             /* Symmetric message */
 198 /* Switch configuration messages. */
 199     { 5, "OFPT_FEATURES_REQUEST" },   /* Controller/switch message */
 200     { 6, "OFPT_FEATURES_REPLY" },     /* Controller/switch message */
 201     { 7, "OFPT_GET_CONFIG_REQUEST" }, /* Controller/switch message */
 202     { 8, "OFPT_GET_CONFIG_REPLY" },   /* Controller/switch message */
 203     { 9, "OFPT_SET_CONFIG" },         /* Controller/switch message */
 204 /* Asynchronous messages. */
 205     { 10, "OFPT_PACKET_IN" },                /* Async message */
 206     { 11, "OFPT_FLOW_REMOVED" },             /* Async message */
 207     { 12, "OFPT_PORT_STATUS" },              /* Async message */
 208 /* Controller command messages. */
 209     { 13, "OFPT_PACKET_OUT" },               /* Controller/switch message */
 210     { 14, "OFPT_FLOW_MOD" },                 /* Controller/switch message */
 211     { 15, "OFPT_PORT_MOD" },                 /* Controller/switch message */
 212 /* Statistics messages. */
 213     { 16, "OFPT_STATS_REQUEST" },            /* Controller/switch message */
 214     { 17, "OFPT_STATS_REPLY" },              /* Controller/switch message */
 215 /* Barrier messages. */
 216     { 18, "OFPT_BARRIER_REQUEST" },          /* Controller/switch message */
 217     { 19, "OFPT_BARRIER_REPLY" },            /* Controller/switch message */
 218 /* Queue Configuration messages. */
 219     { 20, "OFPT_QUEUE_GET_CONFIG_REQUEST" }, /* Controller/switch message */
 220     { 21, "OFPT_QUEUE_GET_CONFIG_REPLY" },   /* Controller/switch message */
 221     { 0, NULL }
 222 };
 223
 224
 225 #define OFPC_FLOW_STATS   1<<0  /* Flow statistics. */
 226 #define OFPC_TABLE_STATS  1<<1  /* Table statistics. */
 227 #define OFPC_PORT_STATS   1<<2  /* Port statistics. */
 228 #define OFPC_GROUP_STATS  1<<3  /* Group statistics. */
 229 #define OFPC_IP_REASM     1<<5  /* Can reassemble IP fragments. */
 230 #define OFPC_QUEUE_STATS  1<<6  /* Queue statistics. */
 231 #define OFPC_PORT_BLOCKED 1<<8  /* Switch will block looping ports. */
 232
 233 #define OFPAT_OUTPUT_MASK       1<<0  /* Output to switch port. */
 234 #define OFPAT_SET_VLAN_VID_MASK 1<<1  /* Set the 802.1q VLAN id. */
 235 #define OFPAT_SET_VLAN_PCP_MASK 1<<2  /* Set the 802.1q priority. */
 236 #define OFPAT_STRIP_VLAN_MASK   1<<3  /* Strip the 802.1q header. */
 237 #define OFPAT_SET_DL_SRC_MASK   1<<4  /* Ethernet source address. */
 238 #define OFPAT_SET_DL_DST_MASK   1<<5  /* Ethernet destination address. */
 239 #define OFPAT_SET_NW_SRC_MASK   1<<6  /* IP source address. */
 240 #define OFPAT_SET_NW_DST_MASK   1<<7  /* IP destination address. */
 241 #define OFPAT_SET_NW_TOS_MASK   1<<8  /* IP ToS (DSCP field, 6 bits). */
 242 #define OFPAT_SET_TP_SRC_MASK   1<<9  /* TCP/UDP source port. */
 243 #define OFPAT_SET_TP_DST_MASK   1<<10 /* TCP/UDP destination port. */
 244 #define OFPAT_ENQUEUE_MASK      1<<11 /* Output to queue. */
 245
 246 #define OFPPC_PORT_DOWN    1<<0 /* Port is administratively down. */
 247 #define OFPPC_NO_STP       1<<1 /* Disable 802.1D spanning tree on port. */
 248 #define OFPPC_NO_RECV      1<<2 /* Drop all packets except 802.1D spanning tree packets. */
 249 #define OFPPC_NO_RECV_STP  1<<3 /* Drop received 802.1D STP packets. */
 250 #define OFPPC_NO_FLOOD     1<<4 /* Do not include this port when flooding. */
 251 #define OFPPC_NO_FWD       1<<5 /* Drop packets forwarded to port. */
 252 #define OFPPC_NO_PACKET_IN 1<<6 /* Do not send packet-in msgs for port. */
 253
 254 #define OFP_MAX_PORT_NAME_LEN 16
 255
 256 #define OFPPS_LINK_DOWN    1<<0 /* No physical link present. */
 257 #define OFPPS_STP_LISTEN   0<<8 /* Not learning or relaying frames. */
 258 #define OFPPS_STP_LEARN    1<<8 /* Learning but not relaying frames. */
 259 #define OFPPS_STP_FORWARD  2<<8 /* Learning and relaying frames. */
 260 #define OFPPS_STP_BLOCK    3<<8 /* Not part of spanning tree. */
 261 #define OFPPS_STP_MASK     3<<8 /* Bit mask for OFPPS_STP_* values. */
 262
 263
 264 #define OFPPF_10MB_HD      1<<0 /* 10 Mb half-duplex rate support. */
 265 #define OFPPF_10MB_FD      1<<1 /* 10 Mb full-duplex rate support. */
 266 #define OFPPF_100MB_HD     1<<2 /* 100 Mb half-duplex rate support. */
 267 #define OFPPF_100MB_FD     1<<3 /* 100 Mb full-duplex rate support. */
 268 #define OFPPF_1GB_HD       1<<4 /* 1 Gb half-duplex rate support. */
 269 #define OFPPF_1GB_FD       1<<5 /* 1 Gb full-duplex rate support. */
 270 #define OFPPF_10GB_FD      1<<6 /* 10 Gb full-duplex rate support. */
 271 #define OFPPF_COPPER       1<<7 /* Copper medium. */
 272 #define OFPPF_FIBER        1<<8 /* Fiber medium. */
 273 #define OFPPF_AUTONEG      1<<9 /* Auto-negotiation. */
 274 #define OFPPF_PAUSE        1<<10 /* Pause. */
 275 #define OFPPF_PAUSE_ASYM   1<<11 /* Asymmetric pause. */
 276
 277
 278 #define OFPAT_OUTPUT         0 /* Output to switch port. */
 279 #define OFPAT_SET_VLAN_VID   1 /* Set the 802.1q VLAN id. */
 280 #define OFPAT_SET_VLAN_PCP   2 /* Set the 802.1q priority. */
 281 #define OFPAT_STRIP_VLAN     3 /* Strip the 802.1q header. */
 282 #define OFPAT_SET_DL_SRC     4 /* Ethernet source address. */
 283 #define OFPAT_SET_DL_DST     5 /* Ethernet destination address. */
 284 #define OFPAT_SET_NW_SRC     6 /* IP source address. */
 285 #define OFPAT_SET_NW_DST     7 /* IP destination address. */
 286 #define OFPAT_SET_TP_SRC     8 /* TCP/UDP source port. */
 287 #define OFPAT_SET_TP_DST     9 /* TCP/UDP destination port. */
 288 #define OFPAT_VENDOR         0xffff
 289
 290 static int
 291 dissect_openflow_ofp_match_v1(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
 292 {
 293
 294     /* uint32_t wildcards; Wildcard fields. */
 295     proto_tree_add_item(tree, hf_openflow_wildcards, tvb, offset, 4, ENC_BIG_ENDIAN);
 296     offset+=4;
 297     /* uint16_t in_port; Input switch port. */
 298     proto_tree_add_item(tree, hf_openflow_in_port, tvb, offset, 2, ENC_BIG_ENDIAN);
 299     offset+=2;
 300
 301     /* uint8_t dl_src[OFP_ETH_ALEN];  Ethernet source address. */
 302     proto_tree_add_item(tree, hf_openflow_eth_src, tvb, offset, 6, ENC_NA);
 303     offset+=6;
 304     /* uint8_t dl_dst[OFP_ETH_ALEN]; Ethernet destination address. */
 305     proto_tree_add_item(tree, hf_openflow_eth_dst, tvb, offset, 6, ENC_NA);
 306     offset+=6;
 307     /* uint16_t dl_vlan; Input VLAN id. */
 308     proto_tree_add_item(tree, hf_openflow_dl_vlan, tvb, offset, 2, ENC_BIG_ENDIAN);
 309     offset+=2;
 310     /* uint8_t dl_vlan_pcp; Input VLAN priority. */
 311     proto_tree_add_item(tree, hf_openflow_dl_vlan_pcp, tvb, offset, 1, ENC_BIG_ENDIAN);
 312     offset++;
 313     /* uint8_t pad1[1]; Align to 64-bits */
 314     proto_tree_add_item(tree, hf_openflow_padd8, tvb, offset, 1, ENC_BIG_ENDIAN);
 315     offset++;
 316     /* uint16_t dl_type; Ethernet frame type. */
 317     /* uint8_t nw_tos; IP ToS (actually DSCP field, 6 bits). */
 318     /* uint8_t nw_proto; IP protocol or lower 8 bits of
 319      * ARP opcode.
 320      */
 321     /* uint8_t pad2[2]; Align to 64-bits */
 322     /* uint32_t nw_src; IP source address. */
 323     /* uint32_t nw_dst; IP destination address. */
 324     /* uint16_t tp_src; TCP/UDP source port. */
 325     /* uint16_t tp_dst; TCP/UDP destination port. */
 326     proto_tree_add_text(tree, tvb, offset, 18, "Data not dissected yet");
 327     offset +=18;
 328
 329     return offset;
 330 }
 331
 332
 333 static const value_string openflow_action_values[] = {
 334     { OFPAT_OUTPUT,          "Output to switch port" },
 335     { OFPAT_SET_VLAN_VID,    "Set the 802.1q VLAN id" },
 336     { OFPAT_SET_VLAN_PCP,    "Set the 802.1q priority" },
 337     { OFPAT_STRIP_VLAN,      "Strip the 802.1q header" },
 338     { OFPAT_SET_DL_SRC,      "Ethernet source address" },
 339     { OFPAT_SET_DL_DST,      "Ethernet destination address" },
 340     { OFPAT_SET_NW_SRC,      "IP source address" },
 341     { OFPAT_SET_NW_DST,      "IP destination address" },
 342     { OFPAT_SET_TP_SRC,      "TCP/UDP source port" },
 343     { OFPAT_SET_TP_DST,      "TCP/UDP destination port" },
 344     { OFPAT_VENDOR,          "Vendor specific action"},
 345     { 0, NULL }
 346 };
 347
 348 static int
 349 dissect_openflow_action_header(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
 350 {
 351     guint16 action_type, action_len;
 352
 353     /* uint16_t type;  One of OFPAT_*. */
 354     action_type = tvb_get_ntohs(tvb, offset);
 355     proto_tree_add_item(tree, hf_openflow_action_type, tvb, offset, 2, ENC_BIG_ENDIAN);
 356     offset+=2;
 357     /* Length of action, including this
 358      * header. This is the length of action,
 359      * including any padding to make it
 360      * 64-bit aligned.
 361      */
 362     action_len = tvb_get_ntohs(tvb, offset);
 363     proto_tree_add_item(tree, hf_openflow_action_len, tvb, offset, 2, ENC_BIG_ENDIAN);
 364     offset+=2;
 365
 366     switch(action_type){
 367     case OFPAT_OUTPUT:
 368         /* uint16_t port;  Output port. */
 369         proto_tree_add_item(tree, hf_openflow_output_port, tvb, offset, 2, ENC_BIG_ENDIAN);
 370         offset+=2;
 371         /* uint16_t max_len;  Max length to send to controller. */
 372         proto_tree_add_item(tree, hf_openflow_max_len, tvb, offset, 2, ENC_BIG_ENDIAN);
 373         offset+=2;
 374         break;
 375     default:
 376         proto_tree_add_text(tree, tvb, offset, action_len-4, "Action not dissected yet");
 377         offset+=(action_len-4);
 378         break;
 379     }
 380
 381     return offset;
 382 }
 383 static void
 384 dissect_openflow_phy_port(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
 385 {
 386     proto_item *ti;
 387     proto_tree *port_cnf_tree, *port_state_tree, *port_cf_tree;
 388
 389     proto_tree_add_item(tree, hf_openflow_port_no, tvb, offset, 2, ENC_BIG_ENDIAN);
 390     offset+=2;
 391     proto_tree_add_item(tree, hf_openflow_hw_addr, tvb, offset, 6, ENC_NA);
 392     offset+=6;
 393     proto_tree_add_item(tree, hf_openflow_port_name, tvb, offset, OFP_MAX_PORT_NAME_LEN, ENC_ASCII|ENC_NA);
 394     offset+=OFP_MAX_PORT_NAME_LEN;
 395
 396     /* Bitmap of OFPPC_* flags. */
 397     ti = proto_tree_add_item(tree, hf_openflow_port_config, tvb, offset, 4, ENC_BIG_ENDIAN);
 398     port_cnf_tree = proto_item_add_subtree(ti, ett_openflow_port_cnf);
 399
 400     /* Port is administratively down. */
 401     proto_tree_add_item(port_cnf_tree, hf_openflow_port_down, tvb, offset, 4, ENC_BIG_ENDIAN);
 402     /* Disable 802.1D spanning tree on port. */
 403     proto_tree_add_item(port_cnf_tree, hf_openflow_no_stp, tvb, offset, 4, ENC_BIG_ENDIAN);
 404     /* Drop all packets except 802.1D spanning tree packets. */
 405     proto_tree_add_item(port_cnf_tree, hf_openflow_no_recv, tvb, offset, 4, ENC_BIG_ENDIAN);
 406     /* Drop received 802.1D STP packets. */
 407     proto_tree_add_item(port_cnf_tree, hf_openflow_no_recv_stp, tvb, offset, 4, ENC_BIG_ENDIAN);
 408     /* Do not include this port when flooding. */
 409     proto_tree_add_item(port_cnf_tree, hf_openflow_no_flood, tvb, offset, 4, ENC_BIG_ENDIAN);
 410      /* Drop packets forwarded to port. */
 411     proto_tree_add_item(port_cnf_tree, hf_openflow_no_fwd, tvb, offset, 4, ENC_BIG_ENDIAN);
 412     /* Do not send packet-in msgs for port. */
 413     proto_tree_add_item(port_cnf_tree, hf_openflow_no_packet_in, tvb, offset, 4, ENC_BIG_ENDIAN);
 414     offset+=4;
 415
 416     /* Bitmap of OFPPS_* flags. */
 417     ti = proto_tree_add_item(tree, hf_openflow_port_state, tvb, offset, 4, ENC_BIG_ENDIAN);
 418     port_state_tree = proto_item_add_subtree(ti, ett_openflow_port_state);
 419
 420     /* No physical link present. */
 421     proto_tree_add_item(port_state_tree, hf_openflow_link_down, tvb, offset, 4, ENC_BIG_ENDIAN);
 422
 423     offset+=4;
 424
 425     /* Current features. */
 426     ti = proto_tree_add_item(tree, hf_openflow_port_curr, tvb, offset, 4, ENC_BIG_ENDIAN);
 427     port_cf_tree = proto_item_add_subtree(ti, ett_openflow_port_cf);
 428     /* 10 Mb half-duplex rate support. */
 429     proto_tree_add_item(port_cf_tree, hf_openflow_10mb_hd, tvb, offset, 4, ENC_BIG_ENDIAN);
 430     /* 10 Mb full-duplex rate support. */
 431     proto_tree_add_item(port_cf_tree, hf_openflow_10mb_fd, tvb, offset, 4, ENC_BIG_ENDIAN);
 432     /* 100 Mb half-duplex rate support. */
 433     proto_tree_add_item(port_cf_tree, hf_openflow_100mb_hd, tvb, offset, 4, ENC_BIG_ENDIAN);
 434     /* 100 Mb full-duplex rate support. */
 435     proto_tree_add_item(port_cf_tree, hf_openflow_100mb_fd, tvb, offset, 4, ENC_BIG_ENDIAN);
 436     /* 1 Gb half-duplex rate support. */
 437     proto_tree_add_item(port_cf_tree, hf_openflow_1gb_hd, tvb, offset, 4, ENC_BIG_ENDIAN);
 438     /* 1 Gb full-duplex rate support. */
 439     proto_tree_add_item(port_cf_tree, hf_openflow_1gb_fd, tvb, offset, 4, ENC_BIG_ENDIAN);
 440     /* 10 Gb full-duplex rate support. */
 441     proto_tree_add_item(port_cf_tree, hf_openflow_10gb_fd, tvb, offset, 4, ENC_BIG_ENDIAN);
 442     /* Copper medium. */
 443     proto_tree_add_item(port_cf_tree, hf_openflow_copper, tvb, offset, 4, ENC_BIG_ENDIAN);
 444     /* Fiber medium. */
 445     proto_tree_add_item(port_cf_tree, hf_openflow_fiber, tvb, offset, 4, ENC_BIG_ENDIAN);
 446     /* Auto-negotiation. */
 447     proto_tree_add_item(port_cf_tree, hf_openflow_autoneg, tvb, offset, 4, ENC_BIG_ENDIAN);
 448     /* Pause. */
 449     proto_tree_add_item(port_cf_tree, hf_openflow_pause, tvb, offset, 4, ENC_BIG_ENDIAN);
 450     /* Asymmetric pause. */
 451     proto_tree_add_item(port_cf_tree, hf_openflow_pause_asym, tvb, offset, 4, ENC_BIG_ENDIAN);
 452     offset+=4;
 453
 454     /* Features being advertised by the port. */
 455     proto_tree_add_item(tree, hf_openflow_port_advertised, tvb, offset, 4, ENC_BIG_ENDIAN);
 456     offset+=4;
 457
 458     /* Features supported by the port. */
 459     proto_tree_add_item(tree, hf_openflow_port_supported, tvb, offset, 4, ENC_BIG_ENDIAN);
 460     offset+=4;
 461     /* Features advertised by peer. */
 462     proto_tree_add_item(tree, hf_openflow_port_peer, tvb, offset, 4, ENC_BIG_ENDIAN);
 463
 464
 465 }
 466
 467 #if 0
 468 /*
 469  * Switch features.
 470  */
 471
 472 struct ofp_switch_features {
 473     struct ofp_header   header;
 474     uint64_t            datapath_id;  /* Datapath unique ID. The lower 48-bits are for
 475                                          a MAC address, while the upper 16-bits are
 476                                          implementer-defined. */
 477     uint32_t            n_buffers;    /* Max packets buffered at once. */
 478     uint8_t             n_tables;     /* Number of tables supported by datapath. */
 479     uint8_t             pad[3];       /* Align to 64-bits. */
 480     /* Features. */
 481     uint32_t            capabilities; /* Bitmap of support "ofp_capabilities". */
 482     uint32_t            actions;      /* Bitmap of supported "ofp_action_type"s. */
 483     /* Port info.*/
 484     struct ofp_phy_port ports[0];     /* Port definitions. The number of ports
 485                                          is inferred from the length field in
 486                                          the header. */
 487 #endif
 488
 489 static void
 490 dissect_openflow_features_reply_v1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, guint16 length)
 491 {
 492     proto_item *ti;
 493     proto_tree *path_id_tree, *cap_tree, *act_tree;
 494
 495     guint16 length_remaining;
 496
 497     ti = proto_tree_add_item(tree, hf_openflow_datapath_id, tvb, offset, 8, ENC_BIG_ENDIAN);
 498     path_id_tree = proto_item_add_subtree(ti, ett_openflow_path_id);
 499     proto_tree_add_item(path_id_tree, hf_openflow_datapath_mac, tvb, offset, 6, ENC_NA);
 500     offset+=6;
 501     proto_tree_add_item(path_id_tree, hf_openflow_datapath_impl, tvb, offset, 2, ENC_BIG_ENDIAN);
 502     offset+=2;
 503
 504     proto_tree_add_item(tree, hf_openflow_n_buffers, tvb, offset, 4, ENC_BIG_ENDIAN);
 505     offset+=4;
 506
 507     proto_tree_add_item(tree, hf_openflow_n_tables, tvb, offset, 1, ENC_BIG_ENDIAN);
 508     offset++;
 509
 510     ti = proto_tree_add_item(tree, hf_openflow_capabilities, tvb, offset, 4, ENC_BIG_ENDIAN);
 511     cap_tree = proto_item_add_subtree(ti, ett_openflow_cap);
 512
 513     /* Dissect flags */
 514     proto_tree_add_item(cap_tree, hf_openflow_cap_flow_stats, tvb, offset, 4, ENC_BIG_ENDIAN);
 515     proto_tree_add_item(cap_tree, hf_openflow_table_stats,    tvb, offset, 4, ENC_BIG_ENDIAN);
 516     proto_tree_add_item(cap_tree, hf_openflow_port_stats,     tvb, offset, 4, ENC_BIG_ENDIAN);
 517     proto_tree_add_item(cap_tree, hf_openflow_group_stats,    tvb, offset, 4, ENC_BIG_ENDIAN);
 518     proto_tree_add_item(cap_tree, hf_openflow_ip_reasm,       tvb, offset, 4, ENC_BIG_ENDIAN);
 519     proto_tree_add_item(cap_tree, hf_openflow_queue_stats,    tvb, offset, 4, ENC_BIG_ENDIAN);
 520     proto_tree_add_item(cap_tree, hf_openflow_port_blocked,   tvb, offset, 4, ENC_BIG_ENDIAN);
 521     offset+=4;
 522
 523     ti = proto_tree_add_item(tree, hf_openflow_actions, tvb, offset, 4, ENC_BIG_ENDIAN);
 524     act_tree = proto_item_add_subtree(ti, ett_openflow_act);
 525     /* Dissect flags */
 526     proto_tree_add_item(act_tree, hf_openflow_output, tvb, offset, 4, ENC_BIG_ENDIAN);
 527     proto_tree_add_item(act_tree, hf_openflow_set_vlan_vid, tvb, offset, 4, ENC_BIG_ENDIAN);
 528     proto_tree_add_item(act_tree, hf_openflow_set_vlan_pcp, tvb, offset, 4, ENC_BIG_ENDIAN);
 529     proto_tree_add_item(act_tree, hf_openflow_strip_vlan, tvb, offset, 4, ENC_BIG_ENDIAN);
 530     proto_tree_add_item(act_tree, hf_openflow_set_dl_src, tvb, offset, 4, ENC_BIG_ENDIAN);
 531     proto_tree_add_item(act_tree, hf_openflow_set_dl_dst, tvb, offset, 4, ENC_BIG_ENDIAN);
 532     proto_tree_add_item(act_tree, hf_openflow_set_nw_src, tvb, offset, 4, ENC_BIG_ENDIAN);
 533     proto_tree_add_item(act_tree, hf_openflow_set_nw_dst, tvb, offset, 4, ENC_BIG_ENDIAN);
 534     proto_tree_add_item(act_tree, hf_openflow_set_nw_tos, tvb, offset, 4, ENC_BIG_ENDIAN);
 535     proto_tree_add_item(act_tree, hf_openflow_set_tp_src, tvb, offset, 4, ENC_BIG_ENDIAN);
 536     proto_tree_add_item(act_tree, hf_openflow_set_tp_dst, tvb, offset, 4, ENC_BIG_ENDIAN);
 537     proto_tree_add_item(act_tree, hf_openflow_enqueue, tvb, offset, 4, ENC_BIG_ENDIAN);
 538     offset+=4;
 539
 540     length_remaining = length-32;
 541     if(length_remaining > 0){
 542         guint16 num_ports = length_remaining/48;
 543         int i;
 544         if ((length_remaining&0x003f) != 0){
 545             /* protocol_error */
 546         }
 547         for(i=0; i<num_ports ;i++){
 548             proto_tree *port_tree;
 549
 550             port_tree = proto_tree_add_subtree_format(tree, tvb, offset, 48, ett_openflow_port, NULL, "Port data %u",i+1);
 551             dissect_openflow_phy_port(tvb, pinfo, port_tree, offset);
 552             offset+=48;
 553         }
 554     }
 555
 556 }
 557
 558
 559 static void
 560 dissect_openflow_switch_config(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint16 length _U_)
 561 {
 562
 563     /* ofp_config_flags */
 564     proto_tree_add_item(tree, hf_openflow_config_flags, tvb, offset, 2, ENC_BIG_ENDIAN);
 565     offset+=2;
 566     /* miss_send_len */
 567     proto_tree_add_item(tree, hf_openflow_miss_send_len, tvb, offset, 2, ENC_BIG_ENDIAN);
 568     /*offset+=2;*/
 569
 570 }
 571
 572 #define OFPR_NO_MATCH       0        /* No matching flow (table-miss flow entry). */
 573 #define OFPR_ACTION         1        /* Action explicitly output to controller. */
 574 #define OFPR_INVALID_TTL    2        /* Packet has invalid TTL */
 575
 576 static const value_string openflow_reason_values[] = {
 577     { OFPR_NO_MATCH,    "No matching flow (table-miss flow entry)" },
 578     { OFPR_ACTION,      "Action explicitly output to controller" },
 579     { OFPR_INVALID_TTL, "Packet has invalid TTL" },
 580     { 0, NULL }
 581 };
 582
 583 static void
 584 dissect_openflow_pkt_in(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint16 length)
 585 {
 586     tvbuff_t *next_tvb;
 587
 588     /* uint32_t buffer_id;  ID assigned by datapath. */
 589     proto_tree_add_item(tree, hf_openflow_buffer_id, tvb, offset, 4, ENC_BIG_ENDIAN);
 590     offset+=4;
 591     /* uint16_t total_len;  Full length of frame. */
 592     proto_tree_add_item(tree, hf_openflow_total_len, tvb, offset, 2, ENC_BIG_ENDIAN);
 593     offset+=2;
 594
 595     /* uint16_t in_port;  Port on which frame was received. */
 596     proto_tree_add_item(tree, hf_openflow_in_port, tvb, offset, 2, ENC_BIG_ENDIAN);
 597     offset+=2;
 598
 599     /* uint8_t reason; Reason packet is being sent (one of OFPR_*) */
 600     proto_tree_add_item(tree, hf_openflow_reason, tvb, offset, 1, ENC_BIG_ENDIAN);
 601     offset++;
 602
 603     proto_tree_add_item(tree, hf_openflow_padd8, tvb, offset, 1, ENC_BIG_ENDIAN);
 604     offset+=1;
 605
 606     /*proto_tree_add_text(tree, tvb, offset, length-offset, "Offset=%u, remaining %u", offset, length-offset);*/
 607     next_tvb = tvb_new_subset_length(tvb, offset, length-offset);
 608     call_dissector(eth_withoutfcs_handle, next_tvb, pinfo, tree);
 609
 610 }
 611
 612 static void
 613 dissect_openflow_pkt_out(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint16 length _U_)
 614 {
 615     tvbuff_t *next_tvb;
 616     gint32 buffer_id;
 617
 618     /* uint32_t buffer_id;  ID assigned by datapath. */
 619     buffer_id = tvb_get_ntohl(tvb, offset);
 620     proto_tree_add_item(tree, hf_openflow_buffer_id, tvb, offset, 4, ENC_BIG_ENDIAN);
 621     offset+=4;
 622
 623     /* uint32_t in_port; Packet's input port or OFPP_CONTROLLER. */
 624     proto_tree_add_item(tree, hf_openflow_in_port, tvb, offset, 2, ENC_BIG_ENDIAN);
 625     offset+=2;
 626
 627     /* uint16_t actions_len;  Size of action array in bytes. */
 628     proto_tree_add_item(tree, hf_openflow_actions_len, tvb, offset, 2, ENC_BIG_ENDIAN);
 629     offset+=2;
 630
 631     /* struct ofp_action_header actions[0];  Action list. */
 632     offset = dissect_openflow_action_header(tvb, pinfo, tree, offset);
 633     /* Packet data. The length is inferred
 634        from the length field in the header.
 635        (Only meaningful if buffer_id == -1.)
 636      */
 637     if(buffer_id == -1){
 638         /* proto_tree_add_text(tree, tvb, offset, -1, "Packet data"); */
 639         next_tvb = tvb_new_subset_length(tvb, offset, length-offset);
 640         call_dissector(eth_withoutfcs_handle, next_tvb, pinfo, tree);
 641     }
 642 }
 643
 644 #define OFPFC_ADD             0 /* New flow. */
 645 #define OFPFC_MODIFY          1 /* Modify all matching flows. */
 646 #define OFPFC_MODIFY_STRICT   2 /* Modify entry strictly matching wildcards */
 647 #define OFPFC_DELETE          3 /* Delete all matching flows. */
 648 #define OFPFC_DELETE_STRICT   4 /* Strictly match wildcards and priority. */
 649
 650 static const value_string openflow_command_values[] = {
 651     { OFPFC_ADD,            "New flow" },
 652     { OFPFC_MODIFY,         "Modify all matching flows" },
 653     { OFPFC_MODIFY_STRICT,  "Modify entry strictly matching wildcards" },
 654     { OFPFC_DELETE,         "Delete all matching flows" },
 655     { OFPFC_DELETE_STRICT,  "Strictly match wildcards and priority" },
 656     { 0, NULL }
 657 };
 658
 659 static void
 660 dissect_openflow_flow_mod(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, guint16 length _U_)
 661 {
 662
 663     /* struct ofp_match match;  Fields to match */
 664     offset = dissect_openflow_ofp_match_v1(tvb, pinfo, tree, offset);
 665
 666     /* uint64_t cookie; Opaque controller-issued identifier. */
 667     proto_tree_add_item(tree, hf_openflow_cookie, tvb, offset, 8, ENC_BIG_ENDIAN);
 668     offset+=8;
 669
 670     /* uint16_t command;  One of OFPFC_*. */
 671     proto_tree_add_item(tree, hf_openflow_command, tvb, offset, 2, ENC_BIG_ENDIAN);
 672     offset+=2;
 673
 674     /* uint16_t idle_timeout;  Idle time before discarding (seconds). */
 675     proto_tree_add_item(tree, hf_openflow_idle_timeout, tvb, offset, 2, ENC_BIG_ENDIAN);
 676     offset+=2;
 677     /* uint16_t hard_timeout; Max time before discarding (seconds). */
 678     proto_tree_add_item(tree, hf_openflow_hard_timeout, tvb, offset, 2, ENC_BIG_ENDIAN);
 679     offset+=2;
 680     /* uint16_t priority; Priority level of flow entry. */
 681     proto_tree_add_item(tree, hf_openflow_priority, tvb, offset, 2, ENC_BIG_ENDIAN);
 682     offset+=2;
 683     /* uint32_t buffer_id;  Buffered packet to apply to, or OFP_NO_BUFFER.
 684        Not meaningful for OFPFC_DELETE*.
 685      */
 686     proto_tree_add_item(tree, hf_openflow_buffer_id, tvb, offset, 4, ENC_BIG_ENDIAN);
 687     offset+=4;
 688     /* uint32_t out_port; For OFPFC_DELETE* commands, require
 689        matching entries to include this as an output port. A value of OFPP_ANY
 690        indicates no restriction.
 691        */
 692     proto_tree_add_item(tree, hf_openflow_out_port, tvb, offset, 2, ENC_BIG_ENDIAN);
 693     offset+=2;
 694
 695     /* uint16_t flags; One of OFPFF_*. */
 696     proto_tree_add_item(tree, hf_openflow_flags, tvb, offset, 2, ENC_BIG_ENDIAN);
 697     /*offset+=2;*/
 698 }
 699
 700 static int
 701 dissect_openflow_v1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
 702 {
 703     proto_item *ti;
 704     proto_tree *openflow_tree;
 705     guint offset = 0;
 706     guint8 type;
 707     guint16 length;
 708
 709     type    = tvb_get_guint8(tvb, 1);
 710
 711     col_append_fstr(pinfo->cinfo, COL_INFO, "Type: %s",
 712                   val_to_str_const(type, openflow_1_0_type_values, "Unknown message type"));
 713
 714     /* Stop the Ethernet frame from overwriting the columns */
 715     if((type == OFPT_1_0_PACKET_IN) || (type == OFPT_1_0_PACKET_OUT)){
 716         col_set_writable(pinfo->cinfo, FALSE);
 717     }
 718
 719     /* Create display subtree for the protocol */
 720     ti = proto_tree_add_item(tree, proto_openflow_v1, tvb, 0, -1, ENC_NA);
 721     openflow_tree = proto_item_add_subtree(ti, ett_openflow);
 722
 723     /* A.1 OpenFlow Header. */
 724     /* OFP_VERSION. */
 725     proto_tree_add_item(openflow_tree, hf_openflow_version, tvb, offset, 1, ENC_BIG_ENDIAN);
 726     offset++;
 727
 728     /* One of the OFPT_ constants. */
 729     proto_tree_add_item(openflow_tree, hf_openflow_1_0_type, tvb, offset, 1, ENC_BIG_ENDIAN);
 730     offset++;
 731
 732     /* Length including this ofp_header. */
 733     length = tvb_get_ntohs(tvb, offset);
 734     proto_tree_add_item(openflow_tree, hf_openflow_length, tvb, offset, 2, ENC_BIG_ENDIAN);
 735     offset+=2;
 736
 737     /* Transaction id associated with this packet. Replies use the same id as was in the request
 738      * to facilitate pairing.
 739      */
 740     proto_tree_add_item(openflow_tree, hf_openflow_xid, tvb, offset, 4, ENC_BIG_ENDIAN);
 741     offset+=4;
 742
 743     switch(type){
 744     case OFPT_1_0_HELLO: /* 0 */
 745         /* 5.5.1 Hello
 746          * The OFPT_HELLO message has no body;
 747          */
 748         break;
 749     case OFPT_1_0_FEATURES_REQUEST: /* 5 */
 750         /* 5.3.1 Handshake
 751          * Upon TLS session establishment, the controller sends an OFPT_FEATURES_REQUEST
 752          * message. This message does not contain a body beyond the OpenFlow header.
 753          */
 754         break;
 755     case OFPT_1_0_FEATURES_REPLY: /* 6 */
 756         dissect_openflow_features_reply_v1(tvb, pinfo, openflow_tree, offset, length);
 757         break;
 758     case OFPT_1_0_GET_CONFIG_REQUEST: /* 7 */
 759         /* A.3.2 There is no body for OFPT_GET_CONFIG_REQUEST beyond the OpenFlow header. */
 760         break;
 761     case OFPT_1_0_GET_CONFIG_REPLY: /* 8 */
 762         /* Fall trough */
 763     case OFPT_1_0_SET_CONFIG: /* 9 */
 764         dissect_openflow_switch_config(tvb, pinfo, openflow_tree, offset, length);
 765         break;
 766     case OFPT_1_0_PACKET_IN: /* 10 */
 767         dissect_openflow_pkt_in(tvb, pinfo, openflow_tree, offset, length);
 768         break;
 769     case OFPT_1_0_PACKET_OUT: /* 13 */
 770         dissect_openflow_pkt_out(tvb, pinfo, openflow_tree, offset, length);
 771         break;
 772     case OFPT_1_0_FLOW_MOD: /* 14 */
 773         dissect_openflow_flow_mod(tvb, pinfo, openflow_tree, offset, length);
 774         break;
 775     default:
 776         if(length>8){
 777             proto_tree_add_text(tree, tvb, offset, -1, "Message data not dissected yet");
 778         }
 779         break;
 780     }
 781
 782     return tvb_reported_length(tvb);
 783
 784 }
 785
 786
 787 /*
 788  * Register the protocol with Wireshark.
 789  */
 790 void
 791 proto_register_openflow_v1(void)
 792 {
 793     static hf_register_info hf[] = {
 794         { &hf_openflow_version,
 795             { "Version", "openflow.version",
 796                FT_UINT8, BASE_HEX, VALS(openflow_version_values), 0x7f,
 797                NULL, HFILL }
 798         },
 799         { &hf_openflow_1_0_type,
 800             { "Type", "openflow_1_0.type",
 801                FT_UINT8, BASE_DEC, VALS(openflow_1_0_type_values), 0x0,
 802                NULL, HFILL }
 803         },
 804         { &hf_openflow_xid,
 805             { "Transaction ID", "openflow.xid",
 806                FT_UINT32, BASE_DEC, NULL, 0x0,
 807                NULL, HFILL }
 808         },
 809         { &hf_openflow_length,
 810             { "Length", "openflow.length",
 811                FT_UINT16, BASE_DEC, NULL, 0x0,
 812                NULL, HFILL }
 813         },
 814         { &hf_openflow_datapath_id,
 815             { "Datapath unique ID", "openflow.datapath_id",
 816                FT_UINT64, BASE_HEX, NULL, 0x0,
 817                NULL, HFILL }
 818         },
 819         { &hf_openflow_datapath_mac,
 820             { "MAC addr", "openflow.datapath_mac",
 821                FT_ETHER, BASE_NONE, NULL, 0x0,
 822                NULL, HFILL }
 823         },
 824         { &hf_openflow_datapath_impl,
 825             { "Implementers part", "openflow.datapath_imp",
 826                FT_UINT16, BASE_HEX, NULL, 0x0,
 827                NULL, HFILL }
 828         },
 829         { &hf_openflow_n_buffers,
 830             { "n_buffers", "openflow.n_buffers",
 831                FT_UINT32, BASE_DEC, NULL, 0x0,
 832                NULL, HFILL }
 833         },
 834         { &hf_openflow_n_tables,
 835             { "n_tables", "openflow.n_tables",
 836                FT_UINT8, BASE_DEC, NULL, 0x0,
 837                NULL, HFILL }
 838         },
 839 #if 0
 840         { &hf_openflow_auxiliary_id,
 841             { "auxiliary_id", "openflow.auxiliary_id",
 842                FT_UINT8, BASE_DEC, NULL, 0x0,
 843                NULL, HFILL }
 844         },
 845 #endif
 846 #if 0
 847         { &hf_openflow_pad3,
 848             { "Padding", "openflow.pad3",
 849                FT_UINT24, BASE_DEC, NULL, 0x0,
 850                NULL, HFILL }
 851         },
 852 #endif
 853         { &hf_openflow_capabilities,
 854             { "capabilities", "openflow.capabilities",
 855                FT_UINT32, BASE_HEX, NULL, 0x0,
 856                NULL, HFILL }
 857         },
 858         { &hf_openflow_actions,
 859             { "actions", "openflow.actions",
 860                FT_UINT32, BASE_HEX, NULL, 0x0,
 861                NULL, HFILL }
 862         },
 863 #if 0
 864         { &hf_openflow_reserved32,
 865             { "Reserved", "openflow.reserved32",
 866                FT_UINT32, BASE_DEC, NULL, 0x0,
 867                NULL, HFILL }
 868         },
 869 #endif
 870         { &hf_openflow_cap_flow_stats,
 871             { "Flow statistics", "openflow.flow_stats",
 872                FT_BOOLEAN, 32, NULL, OFPC_FLOW_STATS,
 873                NULL, HFILL }
 874         },
 875         { &hf_openflow_table_stats,
 876             { "Table statistics", "openflow.table_stats",
 877                FT_BOOLEAN, 32, NULL, OFPC_TABLE_STATS,
 878                NULL, HFILL }
 879         },
 880         { &hf_openflow_port_stats,
 881             { "Port statistics", "openflow.port_stats",
 882                FT_BOOLEAN, 32, NULL,  OFPC_PORT_STATS,
 883                NULL, HFILL }
 884         },
 885         { &hf_openflow_group_stats,
 886             { "Group statistics", "openflow.group_stats",
 887                FT_BOOLEAN, 32, NULL, OFPC_GROUP_STATS,
 888                NULL, HFILL }
 889         },
 890         { &hf_openflow_ip_reasm,
 891             { "Can reassemble IP fragments", "openflow.ip_reasm",
 892                FT_BOOLEAN, 32, NULL, OFPC_IP_REASM,
 893                NULL, HFILL }
 894         },
 895         { &hf_openflow_queue_stats,
 896             { "Queue statistics", "openflow.queue_stats",
 897                FT_BOOLEAN, 32, NULL, OFPC_QUEUE_STATS,
 898                NULL, HFILL }
 899         },
 900         { &hf_openflow_port_blocked,
 901             { "Switch will block looping ports", "openflow.port_blocked",
 902                FT_BOOLEAN, 32, NULL, OFPC_PORT_BLOCKED,
 903                NULL, HFILL }
 904         },
 905         { &hf_openflow_output,
 906             { "Output to switch port", "openflow.output",
 907                FT_BOOLEAN, 32, NULL, OFPAT_OUTPUT_MASK,
 908                NULL, HFILL }
 909         },
 910         { &hf_openflow_set_vlan_vid,
 911             { "Set the 802.1q VLAN id", "openflow.set_vlan_vid",
 912                FT_BOOLEAN, 32, NULL, OFPAT_SET_VLAN_VID_MASK,
 913                NULL, HFILL }
 914         },
 915         { &hf_openflow_set_vlan_pcp,
 916             { "Set the 802.1q priority", "openflow.set_vlan_pcp",
 917                FT_BOOLEAN, 32, NULL, OFPAT_SET_VLAN_PCP_MASK,
 918                NULL, HFILL }
 919         },
 920         { &hf_openflow_strip_vlan,
 921             { "Strip the 802.1q header", "openflow.strip_vlan",
 922                FT_BOOLEAN, 32, NULL, OFPAT_STRIP_VLAN_MASK,
 923                NULL, HFILL }
 924         },
 925         { &hf_openflow_set_dl_src,
 926             { "Ethernet source address", "openflow.set_dl_src",
 927                FT_BOOLEAN, 32, NULL, OFPAT_SET_DL_SRC_MASK,
 928                NULL, HFILL }
 929         },
 930         { &hf_openflow_set_dl_dst,
 931             { "Ethernet destination address", "openflow.set_dl_ds",
 932                FT_BOOLEAN, 32, NULL, OFPAT_SET_DL_DST_MASK,
 933                NULL, HFILL }
 934         },
 935         { &hf_openflow_set_nw_src,
 936             { "IP source address", "openflow.set_nw_src",
 937                FT_BOOLEAN, 32, NULL, OFPAT_SET_NW_SRC_MASK,
 938                NULL, HFILL }
 939         },
 940         { &hf_openflow_set_nw_dst,
 941             { "IP destination address", "openflow.set_nw_ds",
 942                FT_BOOLEAN, 32, NULL, OFPAT_SET_NW_DST_MASK,
 943                NULL, HFILL }
 944         },
 945         { &hf_openflow_set_nw_tos,
 946             { "IP ToS (DSCP field, 6 bits)", "openflow.set_nw_tos",
 947                FT_BOOLEAN, 32, NULL, OFPAT_SET_NW_TOS_MASK,
 948                NULL, HFILL }
 949         },
 950         { &hf_openflow_set_tp_src,
 951             { "TCP/UDP source port", "openflow.set_tp_src",
 952                FT_BOOLEAN, 32, NULL, OFPAT_SET_TP_SRC_MASK,
 953                NULL, HFILL }
 954         },
 955         { &hf_openflow_set_tp_dst,
 956             { "TCP/UDP destination port", "openflow.set_tp_dst",
 957                FT_BOOLEAN, 32, NULL, OFPAT_SET_TP_DST_MASK,
 958                NULL, HFILL }
 959         },
 960         { &hf_openflow_enqueue,
 961             { "Output to queue", "openflow.enqueue",
 962                FT_BOOLEAN, 32, NULL, OFPAT_ENQUEUE_MASK,
 963                NULL, HFILL }
 964         },
 965         { &hf_openflow_port_no,
 966             { "Port number", "openflow.port_no",
 967                FT_UINT16, BASE_DEC, NULL, 0x0,
 968                NULL, HFILL }
 969         },
 970         { &hf_openflow_hw_addr,
 971             { "HW Address", "openflow.hw_add",
 972                FT_ETHER, BASE_NONE, NULL, 0x0,
 973                NULL, HFILL }
 974         },
 975         { &hf_openflow_port_name,
 976             { "Name", "openflow.hw_add",
 977                FT_STRING, BASE_NONE, NULL, 0x0,
 978                NULL, HFILL }
 979         },
 980         { &hf_openflow_port_config,
 981             { "Config flags", "openflow.port_config",
 982                FT_UINT32, BASE_HEX, NULL, 0x0,
 983                NULL, HFILL }
 984         },
 985         { &hf_openflow_port_state,
 986             { "State flags", "openflow.port_state",
 987                FT_UINT32, BASE_HEX, NULL, 0x0,
 988                NULL, HFILL }
 989         },
 990         { &hf_openflow_port_curr,
 991             { "Current features", "openflow.port_curr",
 992                FT_UINT32, BASE_HEX, NULL, 0x0,
 993                NULL, HFILL }
 994         },
 995         { &hf_openflow_port_advertised,
 996             { "Advertised features", "openflow.port_advertised",
 997                FT_UINT32, BASE_HEX, NULL, 0x0,
 998                NULL, HFILL }
 999         },
1000         { &hf_openflow_port_supported,
1001             { "Features supported", "openflow.port_supported",
1002                FT_UINT32, BASE_HEX, NULL, 0x0,
1003                NULL, HFILL }
1004         },
1005         { &hf_openflow_port_peer,
1006             { "Features advertised by peer", "openflow.port_peer",
1007                FT_UINT32, BASE_HEX, NULL, 0x0,
1008                NULL, HFILL }
1009         },
1010         { &hf_openflow_port_down,
1011             { "Port is administratively down", "openflow.port_down",
1012                FT_BOOLEAN, 32, NULL, OFPPC_PORT_DOWN,
1013                NULL, HFILL }
1014         },
1015         { &hf_openflow_no_stp,
1016             { "Disable 802.1D spanning tree on port", "openflow.no_stp",
1017                FT_BOOLEAN, 32, NULL, OFPPC_NO_STP,
1018                NULL, HFILL }
1019         },
1020         { &hf_openflow_no_recv,
1021             { "Drop all packets except 802.1D spanning tree packets", "openflow.no_recv",
1022                FT_BOOLEAN, 32, NULL, OFPPC_NO_RECV,
1023                NULL, HFILL }
1024         },
1025         { &hf_openflow_no_recv_stp,
1026             { "Drop received 802.1D STP packets", "openflow.no_recv",
1027                FT_BOOLEAN, 32, NULL, OFPPC_NO_RECV_STP,
1028                NULL, HFILL }
1029         },
1030         { &hf_openflow_no_flood,
1031             { "Do not include this port when flooding", "openflow.no_flood",
1032                FT_BOOLEAN, 32, NULL, OFPPC_NO_FLOOD,
1033                NULL, HFILL }
1034         },
1035         { &hf_openflow_no_fwd,
1036             { "Drop packets forwarded to port", "openflow.no_fwd",
1037                FT_BOOLEAN, 32, NULL, OFPPC_NO_FWD,
1038                NULL, HFILL }
1039         },
1040         { &hf_openflow_no_packet_in,
1041             { "Do not send packet-in msgs for port", "openflow.no_packet_in",
1042                FT_BOOLEAN, 32, NULL, OFPPC_NO_PACKET_IN,
1043                NULL, HFILL }
1044         },
1045         { &hf_openflow_link_down,
1046             { "No physical link present", "openflow.link_down",
1047                FT_BOOLEAN, 32, NULL, OFPPS_LINK_DOWN,
1048                NULL, HFILL }
1049         },
1050         { &hf_openflow_10mb_hd,
1051             { "10 Mb half-duplex rate support", "openflow.10mb_hd",
1052                FT_BOOLEAN, 32, NULL, OFPPF_10MB_HD,
1053                NULL, HFILL }
1054         },
1055         { &hf_openflow_10mb_fd,
1056             { "10 Mb full-duplex rate support", "openflow.10mb_fd",
1057                FT_BOOLEAN, 32, NULL, OFPPF_10MB_FD,
1058                NULL, HFILL }
1059         },
1060         { &hf_openflow_100mb_hd,
1061             { "100 Mb half-duplex rate support", "openflow.100mb_hd",
1062                FT_BOOLEAN, 32, NULL, OFPPF_100MB_HD,
1063                NULL, HFILL }
1064         },
1065         { &hf_openflow_100mb_fd,
1066             { "100 Mb full-duplex rate support", "openflow.100mb_0fd",
1067                FT_BOOLEAN, 32, NULL, OFPPF_100MB_FD,
1068                NULL, HFILL }
1069         },
1070         { &hf_openflow_1gb_hd,
1071             { "1 Gb half-duplex rate support", "openflow.1gb_hd",
1072                FT_BOOLEAN, 32, NULL, OFPPF_1GB_HD,
1073                NULL, HFILL }
1074         },
1075         { &hf_openflow_1gb_fd,
1076             { "1 Gb full-duplex rate support", "openflow.1gb_fd",
1077                FT_BOOLEAN, 32, NULL, OFPPF_1GB_FD,
1078                NULL, HFILL }
1079         },
1080         { &hf_openflow_10gb_fd,
1081             { "10 Gb full-duplex rate support", "openflow.10gb_fd",
1082                FT_BOOLEAN, 32, NULL, OFPPF_10GB_FD,
1083                NULL, HFILL }
1084         },
1085         { &hf_openflow_copper,
1086             { "Copper medium", "openflow.copper",
1087                FT_BOOLEAN, 32, NULL, OFPPF_COPPER,
1088                NULL, HFILL }
1089         },
1090         { &hf_openflow_fiber,
1091             { "Fiber medium", "openflow.fiber",
1092                FT_BOOLEAN, 32, NULL, OFPPF_FIBER,
1093                NULL, HFILL }
1094         },
1095         { &hf_openflow_autoneg,
1096             { "Auto-negotiation", "openflow.autoneg",
1097                FT_BOOLEAN, 32, NULL, OFPPF_AUTONEG,
1098                NULL, HFILL }
1099         },
1100         { &hf_openflow_pause,
1101             { "Pause", "openflow.pause",
1102                FT_BOOLEAN, 32, NULL, OFPPF_PAUSE,
1103                NULL, HFILL }
1104         },
1105         { &hf_openflow_pause_asym,
1106             { "Asymmetric pause", "openflow.pause_asym",
1107                FT_BOOLEAN, 32, NULL, OFPPF_PAUSE_ASYM,
1108                NULL, HFILL }
1109         },
1110         { &hf_openflow_config_flags,
1111             { "Config flags", "openflow.config_flags",
1112                FT_UINT16, BASE_HEX, NULL, 0x0,
1113                NULL, HFILL }
1114         },
1115         { &hf_openflow_miss_send_len,
1116             { "Max bytes of packet", "openflow.miss_send_len",
1117                FT_UINT16, BASE_HEX, NULL, 0x0,
1118                NULL, HFILL }
1119         },
1120         { &hf_openflow_buffer_id,
1121             { "Buffer Id", "openflow.buffer_id",
1122                FT_UINT32, BASE_HEX, NULL, 0x0,
1123                NULL, HFILL }
1124         },
1125         { &hf_openflow_total_len,
1126             { "Total length", "openflow.total_len",
1127                FT_UINT16, BASE_DEC, NULL, 0x0,
1128                NULL, HFILL }
1129         },
1130         { &hf_openflow_in_port,
1131             { "In port", "openflow.in_port",
1132                FT_UINT16, BASE_DEC, NULL, 0x0,
1133                NULL, HFILL }
1134         },
1135         { &hf_openflow_reason,
1136             { "Reason", "openflow.reason",
1137                FT_UINT8, BASE_DEC, VALS(openflow_reason_values), 0x0,
1138                NULL, HFILL }
1139         },
1140 #if 0
1141         { &hf_openflow_table_id,
1142             { "Table Id", "openflow.table_id",
1143                FT_UINT8, BASE_DEC, NULL, 0x0,
1144                NULL, HFILL }
1145         },
1146 #endif
1147         { &hf_openflow_cookie,
1148             { "Cookie", "openflow.cookie",
1149                FT_UINT64, BASE_HEX, NULL, 0x0,
1150                NULL, HFILL }
1151         },
1152 #if 0
1153         { &hf_openflow_cookie_mask,
1154             { "Cookie mask", "openflow.cookie",
1155                FT_UINT64, BASE_HEX, NULL, 0x0,
1156                NULL, HFILL }
1157         },
1158 #endif
1159         { &hf_openflow_padd8,
1160             { "Padding", "openflow.padding8",
1161                FT_UINT8, BASE_DEC, NULL, 0x0,
1162                NULL, HFILL }
1163         },
1164 #if 0
1165         { &hf_openflow_padd16,
1166             { "Padding", "openflow.padding16",
1167                FT_UINT16, BASE_DEC, NULL, 0x0,
1168                NULL, HFILL }
1169         },
1170 #endif
1171 #if 0
1172         { &hf_openflow_padd48,
1173             { "Padding", "openflow.padding48",
1174                FT_UINT64, BASE_DEC, NULL, 0x0,
1175                NULL, HFILL }
1176         },
1177 #endif
1178         { &hf_openflow_actions_len,
1179             { "Actions length", "openflow.actions_len",
1180                FT_UINT16, BASE_DEC, NULL, 0x0,
1181                NULL, HFILL }
1182         },
1183         { &hf_openflow_action_type,
1184             { "Actions type", "openflow.action_typ",
1185                FT_UINT16, BASE_DEC, VALS(openflow_action_values), 0x0,
1186                NULL, HFILL }
1187         },
1188         { &hf_openflow_action_len,
1189             { "Action length", "openflow.action_len",
1190                FT_UINT16, BASE_DEC, NULL, 0x0,
1191                NULL, HFILL }
1192         },
1193         { &hf_openflow_output_port,
1194             { "Output port", "openflow.output_port",
1195                FT_UINT16, BASE_DEC, NULL, 0x0,
1196                NULL, HFILL }
1197         },
1198         { &hf_openflow_max_len,
1199             { "Max length", "openflow.max_len",
1200                FT_UINT16, BASE_DEC, NULL, 0x0,
1201                NULL, HFILL }
1202         },
1203         { &hf_openflow_wildcards,
1204             { "Wildcards", "openflow.wildcards",
1205                FT_UINT32, BASE_DEC, NULL, 0x0,
1206                NULL, HFILL }
1207         },
1208         { &hf_openflow_command,
1209             { "Command", "openflow.command",
1210                FT_UINT16, BASE_DEC, VALS(openflow_command_values), 0x0,
1211                NULL, HFILL }
1212         },
1213         { &hf_openflow_eth_src,
1214             { "Ethernet source address", "openflow.eth_src",
1215                FT_ETHER, BASE_NONE, NULL, 0x0,
1216                NULL, HFILL }
1217         },
1218         { &hf_openflow_eth_dst,
1219             { "Ethernet destination address", "openflow.eth_src",
1220                FT_ETHER, BASE_NONE, NULL, 0x0,
1221                NULL, HFILL }
1222         },
1223         { &hf_openflow_dl_vlan,
1224             { "Input VLAN id", "openflow.dl_vlan",
1225                FT_UINT16, BASE_DEC, NULL, 0x0,
1226                NULL, HFILL }
1227         },
1228         { &hf_openflow_dl_vlan_pcp,
1229             { "Input VLAN priority", "openflow.dl_vlan_pcp",
1230                FT_UINT8, BASE_DEC, NULL, 0x0,
1231                NULL, HFILL }
1232         },
1233         { &hf_openflow_idle_timeout,
1234             { "Idle time-out", "openflow.idle_timeout",
1235                FT_UINT16, BASE_DEC, NULL, 0x0,
1236                NULL, HFILL }
1237         },
1238         { &hf_openflow_hard_timeout,
1239             { "hard time-out", "openflow.hard_timeout",
1240                FT_UINT16, BASE_DEC, NULL, 0x0,
1241                NULL, HFILL }
1242         },
1243         { &hf_openflow_priority,
1244             { "Priority", "openflow.priority",
1245                FT_UINT16, BASE_DEC, NULL, 0x0,
1246                NULL, HFILL }
1247         },
1248         { &hf_openflow_out_port,
1249             { "Out port", "openflow.out_port",
1250                FT_UINT32, BASE_DEC, NULL, 0x0,
1251                NULL, HFILL }
1252         },
1253 #if 0
1254         { &hf_openflow_out_group,
1255             { "Out group", "openflow.out_group",
1256                FT_UINT32, BASE_DEC, NULL, 0x0,
1257                NULL, HFILL }
1258         },
1259 #endif
1260         { &hf_openflow_flags,
1261             { "Flags", "openflow.flags",
1262                FT_UINT16, BASE_DEC, NULL, 0x0,
1263                NULL, HFILL }
1264         },
1265     };
1266
1267     static gint *ett[] = {
1268         &ett_openflow,
1269         &ett_openflow_path_id,
1270         &ett_openflow_cap,
1271         &ett_openflow_act,
1272         &ett_openflow_port,
1273         &ett_openflow_port_cnf,
1274         &ett_openflow_port_state,
1275         &ett_openflow_port_cf
1276     };
1277
1278     /* Register the protocol name and description */
1279     proto_openflow_v1 = proto_register_protocol("OpenFlow 1.0",
1280             "openflow_v1", "openflow_v1");
1281
1282     new_register_dissector("openflow_v1", dissect_openflow_v1, proto_openflow_v1);
1283
1284     eth_withoutfcs_handle = find_dissector("eth_withoutfcs");
1285
1286     /* Required function calls to register the header fields and subtrees */
1287     proto_register_field_array(proto_openflow_v1, hf, array_length(hf));
1288     proto_register_subtree_array(ett, array_length(ett));
1289 }
1290
1291 /*
1292  * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
1293  *
1294  * Local variables:
1295  * c-basic-offset: 4
1296  * tab-width: 8
1297  * indent-tabs-mode: nil
1298  * End:
1299  *
1300  * vi: set shiftwidth=4 tabstop=8 expandtab:
1301  * :indentSize=4:tabSize=8:noTabs=true:
1302  */