706 	delta = tcp_time_stamp_ts(tp) - tp->rx_opt.rcv_tsecr;  in tcp_rtt_tsopt_us()
724 	if (tp->rx_opt.rcv_tsecr == tp->rcv_rtt_last_tsecr)  in tcp_rcv_rtt_measure_ts()
726 	tp->rcv_rtt_last_tsecr = tp->rx_opt.rcv_tsecr;  in tcp_rcv_rtt_measure_ts()
2463 	return tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr &&  in tcp_tsopt_ecr_before()
2464 	       before(tp->rx_opt.rcv_tsecr, when);  in tcp_tsopt_ecr_before()
3223 	    tp->rx_opt.rcv_tsecr && flag & FLAG_ACKED)  in tcp_ack_update_rtt()
4253 					opt_rx->rcv_tsecr = get_unaligned_be32(ptr + 4);  in tcp_parse_options()
4331 			tp->rx_opt.rcv_tsecr = ntohl(*ptr) - tp->tsoffset;  in tcp_parse_aligned_timestamp()
4333 			tp->rx_opt.rcv_tsecr = 0;  in tcp_parse_aligned_timestamp()
4359 	if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr)  in tcp_fast_parse_options()
4360 		tp->rx_opt.rcv_tsecr -= tp->tsoffset;  in tcp_fast_parse_options()
6204 				tp->rcv_rtt_last_tsecr = tp->rx_opt.rcv_tsecr;  in tcp_rcv_established()
6448 	    syn_stamp == tp->rx_opt.rcv_tsecr)  in tcp_try_undo_spurious_syn()
6463 	if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr)  in tcp_rcv_synsent_state_process()
6464 		tp->rx_opt.rcv_tsecr -= tp->tsoffset;  in tcp_rcv_synsent_state_process()
6486 		if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr &&  in tcp_rcv_synsent_state_process()
6487 		    !between(tp->rx_opt.rcv_tsecr, tp->retrans_stamp,  in tcp_rcv_synsent_state_process()