-/* Copyright (c) 2008 The Board of Trustees of The Leland Stanford
- * Junior University
- *
- * We are making the OpenFlow specification and associated documentation
- * (Software) available for public use and benefit with the expectation
- * that others will use, modify and enhance the Software and contribute
- * those enhancements back to the community. However, since we would
- * like to make the Software available for broadest use, with as few
- * restrictions as possible permission is hereby granted, free of
- * charge, to any person obtaining a copy of this Software to deal in
- * the Software under the copyrights without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
+/*
+ * Copyright (c) 2013 The TCPDUMP project
+ * All rights reserved.
*
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * 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.
*
- * The name and trademarks of copyright holder(s) may NOT be used in
- * advertising or publicity pertaining to the Software or any
- * derivatives without specific, written prior permission.
+ * 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. */
-#define OF_HEADER_LEN 8
+/* 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 print packets for various versions of OpenFlow.
+ * Routines to handle various versions of OpenFlow.
*/
-extern const u_char *of10_header_body_print(const u_char *, const u_char *,
- const uint8_t, const uint16_t, const uint32_t);
+
+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);
projects / tcpdump / blobdiff