906 	const struct tcphdr *tcph;  in cake_get_tcphdr()  local
945 	tcph = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph);  in cake_get_tcphdr()
946 	if (!tcph || tcph->doff < 5)  in cake_get_tcphdr()
950 				  min(__tcp_hdrlen(tcph), bufsize), buf);  in cake_get_tcphdr()
953 static const void *cake_get_tcpopt(const struct tcphdr *tcph,  in cake_get_tcpopt()  argument
957 	int length = __tcp_hdrlen(tcph) - sizeof(struct tcphdr);  in cake_get_tcpopt()
958 	const u8 *ptr = (const u8 *)(tcph + 1);  in cake_get_tcpopt()
1065 static void cake_tcph_get_tstamp(const struct tcphdr *tcph,  in cake_tcph_get_tstamp()  argument
1071 	ptr = cake_get_tcpopt(tcph, TCPOPT_TIMESTAMP, &opsize);  in cake_tcph_get_tstamp()
1079 static bool cake_tcph_may_drop(const struct tcphdr *tcph,  in cake_tcph_may_drop()  argument
1083 	int length = __tcp_hdrlen(tcph) - sizeof(struct tcphdr);  in cake_tcph_may_drop()
1084 	const u8 *ptr = (const u8 *)(tcph + 1);  in cake_tcph_may_drop()
1095 	if (((tcp_flag_word(tcph) &  in cake_tcph_may_drop()
1159 	const struct tcphdr *tcph, *tcph_check;  in cake_ack_filter()  local
1173 	tcph = cake_get_tcphdr(skb, _tcph, sizeof(_tcph));  in cake_ack_filter()
1175 	if (!tcph)  in cake_ack_filter()
1178 	cake_tcph_get_tstamp(tcph, &tstamp, &tsecr);  in cake_ack_filter()
1183 	if ((tcp_flag_word(tcph) &  in cake_ack_filter()
1203 		    tcph_check->source != tcph->source ||  in cake_ack_filter()
1204 		    tcph_check->dest != tcph->dest)  in cake_ack_filter()
1247 		    after(ntohl(tcph_check->ack_seq), ntohl(tcph->ack_seq)))  in cake_ack_filter()
1256 		sack_comp = cake_tcph_sack_compare(tcph_check, tcph);  in cake_ack_filter()
1259 		    (ntohl(tcph_check->ack_seq) == ntohl(tcph->ack_seq) &&  in cake_ack_filter()
1290 	    (elig_flags == (tcp_flag_word(tcph) &  in cake_ack_filter()