X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/5663cdab5ec8730ade9938c1ace64a4859d9ef7b..HEAD:/openflow.h

diff --git a/openflow.h b/openflow.h
index fbd42ebd..2d56d154 100644
--- a/openflow.h
+++ b/openflow.h
@@ -27,11 +27,64 @@
 
 /* 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(netdissect_options *ndo,
-	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);