26 #include "netdissect-stdinc.h"
39 	nd_uint8_t  fddi_fc;		/* frame control */
52 /* Useful values for fddi_fc (frame control) field */
55  * FDDI Frame Control bits
60 #define	FDDIFC_Z		0x0f		/* Control bits */
63  * FDDI Frame Control values. (48-bit addressing only).
80 #define	FDDIFC_ZZZZ		0x0F		/* Control bits */
83  * Some FDDI interfaces use bit-swapped addresses.
105  * save per-packet, then the real 21-byte FDDI header.
114  * over ethernet) we really need to re-think the rather simple
118  *  - vj
157  * Print FDDI frame-control bits
166 		break;  in print_fddi_fc()
170 		break;  in print_fddi_fc()
174 		break;  in print_fddi_fc()
178 		break;  in print_fddi_fc()
182 		break;  in print_fddi_fc()
186 		break;  in print_fddi_fc()
190 		break;  in print_fddi_fc()
197 			break;  in print_fddi_fc()
201 			break;  in print_fddi_fc()
205 			break;  in print_fddi_fc()
209 			break;  in print_fddi_fc()
213 			break;  in print_fddi_fc()
217 			break;  in print_fddi_fc()
221 			break;  in print_fddi_fc()
234 		 * bit-swap the fddi addresses (isn't the IEEE standards  in extract_fddi_addrs()
238 			fdst[i] = fddi_bit_swap[fddip->fddi_dhost[i]];  in extract_fddi_addrs()
240 			fsrc[i] = fddi_bit_swap[fddip->fddi_shost[i]];  in extract_fddi_addrs()
242 		memcpy(fdst, (const char *)fddip->fddi_dhost, 6);  in extract_fddi_addrs()
243 		memcpy(fsrc, (const char *)fddip->fddi_shost, 6);  in extract_fddi_addrs()
260 	if (!ndo->ndo_qflag)  in fddi_hdr_print()
261 		print_fddi_fc(ndo, GET_U_1(fddip->fddi_fc));  in fddi_hdr_print()
282 	ndo->ndo_protocol = "fddi";  in fddi_print()
288 	fc = GET_U_1(fddip->fddi_fc);  in fddi_print()
295 	if (ndo->ndo_eflag)  in fddi_print()
304 	length -= FDDI_HDRLEN;  in fddi_print()
306 	caplen -= FDDI_HDRLEN;  in fddi_print()
308 	/* Frame Control field determines interpretation of packet */  in fddi_print()
310 		/* Try to print the LLC-layer header & higher layers */  in fddi_print()
317 			if (!ndo->ndo_suppress_default_print)  in fddi_print()
319 			llc_hdrlen = -llc_hdrlen;  in fddi_print()
326 		if (!ndo->ndo_eflag)  in fddi_print()
329 		if (!ndo->ndo_suppress_default_print)  in fddi_print()
338  * to the FDDI header of the packet, 'h->ts' is the timestamp,
339  * 'h->len' is the length of the packet off the wire, and 'h->caplen'
345 	ndo->ndo_protocol = "fddi";  in fddi_if_print()
346 	ndo->ndo_ll_hdr_len += fddi_print(ndo, p, h->len, h->caplen);  in fddi_if_print()