91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
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/*
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* Copyright (c) 2013 The TCPDUMP project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/* OpenFlow: protocol between controller and datapath. */
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/* for netdissect_options */
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#include "netdissect.h"
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#define OF_FWD(n) { \
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cp += (n); \
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len -= (n); \
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}
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#define OF_CHK_FWD(n) { \
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ND_TCHECK_LEN(cp, (n)); \
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cp += (n); \
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len -= (n); \
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}
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#define OF_VER_1_0 0x01U
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#define OF_VER_1_1 0x02U
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#define OF_VER_1_2 0x03U
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#define OF_VER_1_3 0x04U
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#define OF_VER_1_4 0x05U
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#define OF_VER_1_5 0x06U
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#define OF_HEADER_FIXLEN 8U
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#define ONF_EXP_ONF 0x4f4e4600
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#define ONF_EXP_BUTE 0xff000001
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#define ONF_EXP_NOVIFLOW 0xff000002
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#define ONF_EXP_L3 0xff000003
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#define ONF_EXP_L4L7 0xff000004
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#define ONF_EXP_WMOB 0xff000005
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#define ONF_EXP_FABS 0xff000006
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#define ONF_EXP_OTRANS 0xff000007
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#define ONF_EXP_NBLNCTU 0xff000008
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#define ONF_EXP_MPCE 0xff000009
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#define ONF_EXP_MPLSTPSPTN 0xff00000a
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extern const struct tok onf_exp_str[];
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extern const char * of_vendor_name(const uint32_t);
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extern void of_bitmap_print(netdissect_options *ndo,
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const struct tok *, const uint32_t, const uint32_t);
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extern void of_data_print(netdissect_options *ndo,
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const u_char *, const u_int);
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/*
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* Routines to handle various versions of OpenFlow.
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*/
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struct of_msgtypeinfo {
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/* Should not be NULL. */
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const char *name;
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/* May be NULL to mean "message body printing is not implemented". */
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void (*decoder)(netdissect_options *ndo, const u_char *, const u_int);
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enum {
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REQ_NONE, /* Message body length may be anything. */
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REQ_FIXLEN, /* Message body length must be == req_value. */
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REQ_MINLEN, /* Message body length must be >= req_value. */
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} req_what;
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uint16_t req_value;
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};
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extern const struct of_msgtypeinfo *of10_identify_msgtype(const uint8_t);
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extern const struct of_msgtypeinfo *of13_identify_msgtype(const uint8_t);
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