| /* |
| * 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); |