From 7adcb5b605cc1328a3084c334f4697ec9771936c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 19:13:01 +0200 Subject: Adding upstream version 4.99.4. Signed-off-by: Daniel Baumann --- openflow.h | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 openflow.h (limited to 'openflow.h') diff --git a/openflow.h b/openflow.h new file mode 100644 index 0000000..2d56d15 --- /dev/null +++ b/openflow.h @@ -0,0 +1,90 @@ +/* + * 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); -- cgit v1.2.3