953 	const struct tcphdr *tcph;  in cake_get_tcphdr()  local
992 	tcph = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph);  in cake_get_tcphdr()
993 	if (!tcph || tcph->doff < 5)  in cake_get_tcphdr()
997 				  min(__tcp_hdrlen(tcph), bufsize), buf);  in cake_get_tcphdr()
1000 static const void *cake_get_tcpopt(const struct tcphdr *tcph,  in cake_get_tcpopt()  argument
1004 	int length = __tcp_hdrlen(tcph) - sizeof(struct tcphdr);  in cake_get_tcpopt()
1005 	const u8 *ptr = (const u8 *)(tcph + 1);  in cake_get_tcpopt()
1112 static void cake_tcph_get_tstamp(const struct tcphdr *tcph,  in cake_tcph_get_tstamp()  argument
1118 	ptr = cake_get_tcpopt(tcph, TCPOPT_TIMESTAMP, &opsize);  in cake_tcph_get_tstamp()
1126 static bool cake_tcph_may_drop(const struct tcphdr *tcph,  in cake_tcph_may_drop()  argument
1130 	int length = __tcp_hdrlen(tcph) - sizeof(struct tcphdr);  in cake_tcph_may_drop()
1131 	const u8 *ptr = (const u8 *)(tcph + 1);  in cake_tcph_may_drop()
1142 	if (((tcp_flag_word(tcph) &  in cake_tcph_may_drop()
1206 	const struct tcphdr *tcph, *tcph_check;  in cake_ack_filter()  local
1220 	tcph = cake_get_tcphdr(skb, _tcph, sizeof(_tcph));  in cake_ack_filter()
1222 	if (!tcph)  in cake_ack_filter()
1225 	cake_tcph_get_tstamp(tcph, &tstamp, &tsecr);  in cake_ack_filter()
1230 	if ((tcp_flag_word(tcph) &  in cake_ack_filter()
1250 		    tcph_check->source != tcph->source ||  in cake_ack_filter()
1251 		    tcph_check->dest != tcph->dest)  in cake_ack_filter()
1294 		    after(ntohl(tcph_check->ack_seq), ntohl(tcph->ack_seq)))  in cake_ack_filter()
1303 		sack_comp = cake_tcph_sack_compare(tcph_check, tcph);  in cake_ack_filter()
1306 		    (ntohl(tcph_check->ack_seq) == ntohl(tcph->ack_seq) &&  in cake_ack_filter()
1337 	    (elig_flags == (tcp_flag_word(tcph) &  in cake_ack_filter()