-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);
-extern const char * of_vendor_name(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);