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      1 /*
      2  * Copyright (c) 2013 The TCPDUMP project
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     15  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     16  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     17  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     18  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     20  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
     22  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25  * POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 /* OpenFlow: protocol between controller and datapath. */
     29 
     30 /* for netdissect_options */
     31 #include "netdissect.h"
     32 
     33 #define OF_HEADER_LEN 8
     34 
     35 #define ONF_EXP_ONF               0x4f4e4600
     36 #define ONF_EXP_BUTE              0xff000001
     37 #define ONF_EXP_NOVIFLOW          0xff000002
     38 #define ONF_EXP_L3                0xff000003
     39 #define ONF_EXP_L4L7              0xff000004
     40 #define ONF_EXP_WMOB              0xff000005
     41 #define ONF_EXP_FABS              0xff000006
     42 #define ONF_EXP_OTRANS            0xff000007
     43 extern const struct tok onf_exp_str[];
     44 
     45 /*
     46  * Routines to print packets for various versions of OpenFlow.
     47  */
     48 extern const u_char *of10_header_body_print(netdissect_options *ndo,
     49 	const u_char *, const u_char *,
     50 	const uint8_t, const uint16_t, const uint32_t);
     51 extern const char * of_vendor_name(const uint32_t);
     52