80 #define DCCPH_CCVAL(dh)	(((dh)->dccph_ccval_cscov >> 4) & 0xF)  argument
81 #define DCCPH_CSCOV(dh)	(((dh)->dccph_ccval_cscov) & 0xF)  argument
83 #define DCCPH_X(dh)	((dh)->dccph_xtr & 1)  argument
84 #define DCCPH_TYPE(dh)	(((dh)->dccph_xtr >> 1) & 0xF)  argument
191 static inline u_int dccp_csum_coverage(const struct dccp_hdr* dh, u_int len)  in dccp_csum_coverage()  argument
195 	if (DCCPH_CSCOV(dh) == 0)  in dccp_csum_coverage()
197 	cov = (dh->dccph_doff + DCCPH_CSCOV(dh) - 1) * sizeof(uint32_t);  in dccp_csum_coverage()
202 	const struct dccp_hdr *dh, u_int len)  in dccp_cksum()  argument
204 	return nextproto4_cksum(ndo, ip, (const uint8_t *)(void *)dh, len,  in dccp_cksum()
205 				dccp_csum_coverage(dh, len), IPPROTO_DCCP);  in dccp_cksum()
209 static int dccp6_cksum(const struct ip6_hdr *ip6, const struct dccp_hdr *dh, u_int len)  in dccp6_cksum()  argument
211 	return nextproto6_cksum(ip6, (const uint8_t *)(void *)dh, len,  in dccp6_cksum()
212 				dccp_csum_coverage(dh, len), IPPROTO_DCCP);  in dccp6_cksum()
225 	const struct dccp_hdr *dh = (const struct dccp_hdr *)bp;  in dccp_seqno()  local
228 	if (DCCPH_X(dh) != 0) {  in dccp_seqno()
232 		seqno = EXTRACT_24BITS(dh->dccph_seq);  in dccp_seqno()
238 static inline unsigned int dccp_basic_hdr_len(const struct dccp_hdr *dh)  in dccp_basic_hdr_len()  argument
240 	return DCCPH_X(dh) ? sizeof(struct dccp_hdr_ext) : sizeof(struct dccp_hdr);  in dccp_basic_hdr_len()
245 	const struct dccp_hdr *dh = (const struct dccp_hdr *)bp;  in dccp_print_ack_no()  local
246 	const u_char *ackp = bp + dccp_basic_hdr_len(dh);  in dccp_print_ack_no()
249 	if (DCCPH_X(dh) != 0) {  in dccp_print_ack_no()
273 	const struct dccp_hdr *dh;  in dccp_print()  local
284 	dh = (const struct dccp_hdr *)bp;  in dccp_print()
295 	cp = (const u_char *)(dh + 1);  in dccp_print()
307 	fixed_hdrlen = dccp_basic_hdr_len(dh);  in dccp_print()
313 	ND_TCHECK2(*dh, fixed_hdrlen);  in dccp_print()
315 	sport = EXTRACT_16BITS(&dh->dccph_sport);  in dccp_print()
316 	dport = EXTRACT_16BITS(&dh->dccph_dport);  in dccp_print()
317 	hlen = dh->dccph_doff * 4;  in dccp_print()
345 		ND_PRINT((ndo, " (CCVal %d, CsCov %d, ", DCCPH_CCVAL(dh), DCCPH_CSCOV(dh)));  in dccp_print()
352 		dccp_sum = EXTRACT_16BITS(&dh->dccph_checksum);  in dccp_print()
355 			sum = dccp_cksum(ndo, ip, dh, len);  in dccp_print()
358 			sum = dccp6_cksum(ip6, dh, len);  in dccp_print()
370 	dccph_type = DCCPH_TYPE(dh);  in dccp_print()
490 	if ((DCCPH_TYPE(dh) != DCCP_PKT_DATA) &&  in dccp_print()
491 			(DCCPH_TYPE(dh) != DCCP_PKT_REQUEST))  in dccp_print()