88 gre_print(netdissect_options *ndo, const u_char *bp, u_int length)  in gre_print()  argument
92 	ND_TCHECK2(*bp, 2);  in gre_print()
95 	vers = EXTRACT_16BITS(bp) & GRE_VERS_MASK;  in gre_print()
100             gre_print_0(ndo, bp, len);  in gre_print()
103             gre_print_1(ndo, bp, len);  in gre_print()
117 gre_print_0(netdissect_options *ndo, const u_char *bp, u_int length)  in gre_print_0()  argument
122 	flags = EXTRACT_16BITS(bp);  in gre_print_0()
128 	bp += 2;  in gre_print_0()
130 	ND_TCHECK2(*bp, 2);  in gre_print_0()
133 	prot = EXTRACT_16BITS(bp);  in gre_print_0()
135 	bp += 2;  in gre_print_0()
138 		ND_TCHECK2(*bp, 2);  in gre_print_0()
142 			ND_PRINT((ndo, ", sum 0x%x", EXTRACT_16BITS(bp)));  in gre_print_0()
143 		bp += 2;  in gre_print_0()
146 		ND_TCHECK2(*bp, 2);  in gre_print_0()
149 		ND_PRINT((ndo, ", off 0x%x", EXTRACT_16BITS(bp)));  in gre_print_0()
150 		bp += 2;  in gre_print_0()
155 		ND_TCHECK2(*bp, 4);  in gre_print_0()
158 		ND_PRINT((ndo, ", key=0x%x", EXTRACT_32BITS(bp)));  in gre_print_0()
159 		bp += 4;  in gre_print_0()
164 		ND_TCHECK2(*bp, 4);  in gre_print_0()
167 		ND_PRINT((ndo, ", seq %u", EXTRACT_32BITS(bp)));  in gre_print_0()
168 		bp += 4;  in gre_print_0()
178 			ND_TCHECK2(*bp, 4);  in gre_print_0()
181 			af = EXTRACT_16BITS(bp);  in gre_print_0()
182 			sreoff = *(bp + 2);  in gre_print_0()
183 			srelen = *(bp + 3);  in gre_print_0()
184 			bp += 4;  in gre_print_0()
190 			if (!gre_sre_print(ndo, af, sreoff, srelen, bp, len))  in gre_print_0()
195 			bp += srelen;  in gre_print_0()
214 	        ip_print(ndo, bp, len);  in gre_print_0()
217 		ip6_print(ndo, bp, len);  in gre_print_0()
220 		mpls_print(ndo, bp, len);  in gre_print_0()
223 		ipx_print(ndo, bp, len);  in gre_print_0()
226 		atalk_print(ndo, bp, len);  in gre_print_0()
229 		isoclns_print(ndo, bp, len);  in gre_print_0()
232 		ether_print(ndo, bp, len, ndo->ndo_snapend - bp, NULL, NULL);  in gre_print_0()
244 gre_print_1(netdissect_options *ndo, const u_char *bp, u_int length)  in gre_print_1()  argument
249 	flags = EXTRACT_16BITS(bp);  in gre_print_1()
251 	bp += 2;  in gre_print_1()
257 	ND_TCHECK2(*bp, 2);  in gre_print_1()
260 	prot = EXTRACT_16BITS(bp);  in gre_print_1()
262 	bp += 2;  in gre_print_1()
268 		ND_TCHECK2(*bp, 4);  in gre_print_1()
271 		k = EXTRACT_32BITS(bp);  in gre_print_1()
274 		bp += 4;  in gre_print_1()
278 		ND_TCHECK2(*bp, 4);  in gre_print_1()
281 		ND_PRINT((ndo, ", seq %u", EXTRACT_32BITS(bp)));  in gre_print_1()
282 		bp += 4;  in gre_print_1()
287 		ND_TCHECK2(*bp, 4);  in gre_print_1()
290 		ND_PRINT((ndo, ", ack %u", EXTRACT_32BITS(bp)));  in gre_print_1()
291 		bp += 4;  in gre_print_1()
315 		ppp_print(ndo, bp, len);  in gre_print_1()
329     uint8_t srelen, const u_char *bp, u_int len)  in gre_sre_print()  argument
336 		ret = gre_sre_ip_print(ndo, sreoff, srelen, bp, len);  in gre_sre_print()
341 		ret = gre_sre_asn_print(ndo, sreoff, srelen, bp, len);  in gre_sre_print()
353                  const u_char *bp, u_int len)  in gre_sre_ip_print()  argument
355 	const u_char *up = bp;  in gre_sre_ip_print()
372 		if (!ND_TTEST2(*bp, 4))  in gre_sre_ip_print()
377 		addrtostr(bp, buf, sizeof(buf));  in gre_sre_ip_print()
379 		    ((bp - up) == sreoff) ? "*" : "", buf));  in gre_sre_ip_print()
381 		bp += 4;  in gre_sre_ip_print()
390                   const u_char *bp, u_int len)  in gre_sre_asn_print()  argument
392 	const u_char *up = bp;  in gre_sre_asn_print()
408 		if (!ND_TTEST2(*bp, 2))  in gre_sre_asn_print()
414 		    ((bp - up) == sreoff) ? "*" : "",  in gre_sre_asn_print()
415 		    EXTRACT_16BITS(bp)));  in gre_sre_asn_print()
417 		bp += 2;  in gre_sre_asn_print()