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