241 	const struct dccp_hdr *dh;  in dccp_v4_err()  local
257 	dh = (struct dccp_hdr *)(skb->data + offset);  in dccp_v4_err()
260 				       iph->daddr, dh->dccph_dport,  in dccp_v4_err()
261 				       iph->saddr, ntohs(dh->dccph_sport),  in dccp_v4_err()
272 	seq = dccp_hdr_seq(dh);  in dccp_v4_err()
377 	struct dccp_hdr *dh = dccp_hdr(skb);  in dccp_v4_send_check()  local
380 	dh->dccph_checksum = dccp_v4_csum_finish(skb,  in dccp_v4_send_check()
498 		struct dccp_hdr *dh = dccp_hdr(skb);  in dccp_v4_send_response()  local
500 		dh->dccph_checksum = dccp_v4_csum_finish(skb, ireq->ir_loc_addr,  in dccp_v4_send_response()
664 	struct dccp_hdr *dh = dccp_hdr(skb);  in dccp_v4_do_rcv()  local
667 		if (dccp_rcv_established(sk, skb, dh, skb->len))  in dccp_v4_do_rcv()
696 	if (dccp_rcv_state_process(sk, skb, dh, skb->len))  in dccp_v4_do_rcv()
716 	const struct dccp_hdr *dh;  in dccp_invalid_packet()  local
729 	dh = dccp_hdr(skb);  in dccp_invalid_packet()
732 	if (dh->dccph_type >= DCCP_PKT_INVALID) {  in dccp_invalid_packet()
740 	dccph_doff = dh->dccph_doff;  in dccp_invalid_packet()
752 	dh = dccp_hdr(skb);  in dccp_invalid_packet()
757 	if ((dh->dccph_type < DCCP_PKT_DATA    ||  in dccp_invalid_packet()
758 	    dh->dccph_type > DCCP_PKT_DATAACK) && dh->dccph_x == 0)  {  in dccp_invalid_packet()
760 			  dccp_packet_name(dh->dccph_type));  in dccp_invalid_packet()
771 			  dh->dccph_cscov, skb->len);  in dccp_invalid_packet()
786 	const struct dccp_hdr *dh;  in dccp_v4_rcv()  local
804 	dh = dccp_hdr(skb);  in dccp_v4_rcv()
806 	DCCP_SKB_CB(skb)->dccpd_seq  = dccp_hdr_seq(dh);  in dccp_v4_rcv()
807 	DCCP_SKB_CB(skb)->dccpd_type = dh->dccph_type;  in dccp_v4_rcv()
810 		      dccp_packet_name(dh->dccph_type),  in dccp_v4_rcv()
811 		      &iph->saddr, ntohs(dh->dccph_sport),  in dccp_v4_rcv()
812 		      &iph->daddr, ntohs(dh->dccph_dport),  in dccp_v4_rcv()
825 	sk = __inet_lookup_skb(&dccp_hashinfo, skb, __dccp_hdr_len(dh),  in dccp_v4_rcv()
826 			       dh->dccph_sport, dh->dccph_dport, 0, &refcounted);  in dccp_v4_rcv()
877 	if (dh->dccph_cscov && (min_cov == 0 || dh->dccph_cscov < min_cov))  {  in dccp_v4_rcv()
879 			      dh->dccph_cscov, min_cov);  in dccp_v4_rcv()
890 	return __sk_receive_skb(sk, skb, 1, dh->dccph_doff * 4, refcounted);  in dccp_v4_rcv()
901 	if (dh->dccph_type != DCCP_PKT_RESET) {  in dccp_v4_rcv()