145 	bool unknown_opt = tcp_sk(sk)->rx_opt.saw_unknown &&  in bpf_skops_parse_hdr()
410 	per_mss = max_t(u32, tp->rx_opt.mss_clamp, tp->mss_cache) +  in tcp_sndbuf_expand()
679 	if (tp->rx_opt.rcv_tsecr == tp->rcv_rtt_last_tsecr)  in tcp_rcv_rtt_measure_ts()
681 	tp->rcv_rtt_last_tsecr = tp->rx_opt.rcv_tsecr;  in tcp_rcv_rtt_measure_ts()
685 		u32 delta = tcp_time_stamp(tp) - tp->rx_opt.rcv_tsecr;  in tcp_rcv_rtt_measure_ts()
1011 	tp->rx_opt.sack_ok |= TCP_DSACK_SEEN;  in tcp_dsack_seen()
1047 			 tp->rx_opt.sack_ok, inet_csk(sk)->icsk_ca_state,  in tcp_check_sack_reordering()
2402 	return tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr &&  in tcp_tsopt_ecr_before()
2403 	       before(tp->rx_opt.rcv_tsecr, when);  in tcp_tsopt_ecr_before()
3107 	if (seq_rtt_us < 0 && tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr &&  in tcp_ack_update_rtt()
3109 		u32 delta = tcp_time_stamp(tp) - tp->rx_opt.rcv_tsecr;  in tcp_ack_update_rtt()
3560 		nwin <<= tp->rx_opt.snd_wscale;  in tcp_ack_update_window()
3662 	tp->rx_opt.ts_recent = tp->rx_opt.rcv_tsval;  in tcp_store_ts_recent()
3663 	tp->rx_opt.ts_recent_stamp = ktime_get_seconds();  in tcp_store_ts_recent()
3668 	if (tp->rx_opt.saw_tstamp && !after(seq, tp->rcv_wup)) {  in tcp_replace_ts_recent()
3676 		if (tcp_paws_check(&tp->rx_opt, 0))  in tcp_replace_ts_recent()
4165 		tp->rx_opt.saw_tstamp = 1;  in tcp_parse_aligned_timestamp()
4167 		tp->rx_opt.rcv_tsval = ntohl(*ptr);  in tcp_parse_aligned_timestamp()
4170 			tp->rx_opt.rcv_tsecr = ntohl(*ptr) - tp->tsoffset;  in tcp_parse_aligned_timestamp()
4172 			tp->rx_opt.rcv_tsecr = 0;  in tcp_parse_aligned_timestamp()
4189 		tp->rx_opt.saw_tstamp = 0;  in tcp_fast_parse_options()
4191 	} else if (tp->rx_opt.tstamp_ok &&  in tcp_fast_parse_options()
4197 	tcp_parse_options(net, skb, &tp->rx_opt, 1, NULL);  in tcp_fast_parse_options()
4198 	if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr)  in tcp_fast_parse_options()
4199 		tp->rx_opt.rcv_tsecr -= tp->tsoffset;  in tcp_fast_parse_options()
4276 		!tcp_may_update_window(tp, ack, seq, ntohs(th->window) << tp->rx_opt.snd_wscale) &&  in tcp_disordered_ack()
4279 		(s32)(tp->rx_opt.ts_recent - tp->rx_opt.rcv_tsval) <= (inet_csk(sk)->icsk_rto * 1024) / HZ);  in tcp_disordered_ack()
4287 	return !tcp_paws_check(&tp->rx_opt, TCP_PAWS_WINDOW) &&  in tcp_paws_discard()
4412 		tcp_sack_reset(&tp->rx_opt);  in tcp_fin()
4453 		tp->rx_opt.dsack = 1;  in tcp_dsack_set()
4463 	if (!tp->rx_opt.dsack)  in tcp_dsack_extend()
4515 	for (this_sack = 1; this_sack < tp->rx_opt.num_sacks;) {  in tcp_sack_maybe_coalesce()
4522 			tp->rx_opt.num_sacks--;  in tcp_sack_maybe_coalesce()
4523 			for (i = this_sack; i < tp->rx_opt.num_sacks; i++)  in tcp_sack_maybe_coalesce()
4563 	int cur_sacks = tp->rx_opt.num_sacks;  in tcp_sack_new_ofo_skb()
4593 		tp->rx_opt.num_sacks--;  in tcp_sack_new_ofo_skb()
4603 	tp->rx_opt.num_sacks++;  in tcp_sack_new_ofo_skb()
4611 	int num_sacks = tp->rx_opt.num_sacks;  in tcp_sack_remove()
4616 		tp->rx_opt.num_sacks = 0;  in tcp_sack_remove()
4637 	tp->rx_opt.num_sacks = num_sacks;  in tcp_sack_remove()
4817 			tp->rx_opt.num_sacks = 1;  in tcp_data_queue_ofo()
5031 	tp->rx_opt.dsack = 0;  in tcp_data_queue()
5071 		if (tp->rx_opt.num_sacks)  in tcp_data_queue()
5372 	if (tp->rx_opt.sack_ok)  in tcp_prune_ofo_queue()
5373 		tcp_sack_reset(&tp->rx_opt);  in tcp_prune_ofo_queue()
5702 	    tp->rx_opt.saw_tstamp &&  in tcp_validate_incoming()
5753 		if (tcp_is_sack(tp) && tp->rx_opt.num_sacks > 0) {  in tcp_validate_incoming()
5758 			for (this_sack = 1; this_sack < tp->rx_opt.num_sacks;  in tcp_validate_incoming()
5861 	tp->rx_opt.saw_tstamp = 0;  in tcp_rcv_established()
5889 			if ((s32)(tp->rx_opt.rcv_tsval - tp->rx_opt.ts_recent) < 0)  in tcp_rcv_established()
5921 				tp->rcv_rtt_last_tsecr = tp->rx_opt.rcv_tsecr;  in tcp_rcv_established()
6074 	if (!tp->rx_opt.snd_wscale)  in tcp_finish_connect()
6085 	u16 mss = tp->rx_opt.mss_clamp, try_exp = 0;  in tcp_rcv_fastopen_synack()
6088 	if (mss == tp->rx_opt.user_mss) {  in tcp_rcv_fastopen_synack()
6147 		if (tp->syn_smc && !tp->rx_opt.smc_ok)  in smc_check_reset_syn()
6163 	if (tp->undo_marker && syn_stamp && tp->rx_opt.saw_tstamp &&  in tcp_try_undo_spurious_syn()
6164 	    syn_stamp == tp->rx_opt.rcv_tsecr)  in tcp_try_undo_spurious_syn()
6174 	int saved_clamp = tp->rx_opt.mss_clamp;  in tcp_rcv_synsent_state_process()
6178 	tcp_parse_options(sock_net(sk), skb, &tp->rx_opt, 0, &foc);  in tcp_rcv_synsent_state_process()
6179 	if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr)  in tcp_rcv_synsent_state_process()
6180 		tp->rx_opt.rcv_tsecr -= tp->tsoffset;  in tcp_rcv_synsent_state_process()
6201 		if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr &&  in tcp_rcv_synsent_state_process()
6202 		    !between(tp->rx_opt.rcv_tsecr, tp->retrans_stamp,  in tcp_rcv_synsent_state_process()
6259 		if (!tp->rx_opt.wscale_ok) {  in tcp_rcv_synsent_state_process()
6260 			tp->rx_opt.snd_wscale = tp->rx_opt.rcv_wscale = 0;  in tcp_rcv_synsent_state_process()
6264 		if (tp->rx_opt.saw_tstamp) {  in tcp_rcv_synsent_state_process()
6265 			tp->rx_opt.tstamp_ok	   = 1;  in tcp_rcv_synsent_state_process()
6330 	if (tp->rx_opt.ts_recent_stamp && tp->rx_opt.saw_tstamp &&  in tcp_rcv_synsent_state_process()
6331 	    tcp_paws_reject(&tp->rx_opt, 0)) {  in tcp_rcv_synsent_state_process()
6342 		if (tp->rx_opt.saw_tstamp) {  in tcp_rcv_synsent_state_process()
6343 			tp->rx_opt.tstamp_ok = 1;  in tcp_rcv_synsent_state_process()
6391 	tcp_clear_options(&tp->rx_opt);  in tcp_rcv_synsent_state_process()
6392 	tp->rx_opt.mss_clamp = saved_clamp;  in tcp_rcv_synsent_state_process()
6397 	tcp_clear_options(&tp->rx_opt);  in tcp_rcv_synsent_state_process()
6398 	tp->rx_opt.mss_clamp = saved_clamp;  in tcp_rcv_synsent_state_process()
6487 		tp->rx_opt.saw_tstamp = 0;  in tcp_rcv_state_process()
6501 	tp->rx_opt.saw_tstamp = 0;  in tcp_rcv_state_process()
6562 		tp->snd_wnd = ntohs(th->window) << tp->rx_opt.snd_wscale;  in tcp_rcv_state_process()
6565 		if (tp->rx_opt.tstamp_ok)  in tcp_rcv_state_process()
6759 			     const struct tcp_options_received *rx_opt,  in tcp_openreq_init()  argument
6769 	req->mss = rx_opt->mss_clamp;  in tcp_openreq_init()
6770 	req->ts_recent = rx_opt->saw_tstamp ? rx_opt->rcv_tsval : 0;  in tcp_openreq_init()
6771 	ireq->tstamp_ok = rx_opt->tstamp_ok;  in tcp_openreq_init()
6772 	ireq->sack_ok = rx_opt->sack_ok;  in tcp_openreq_init()
6773 	ireq->snd_wscale = rx_opt->snd_wscale;  in tcp_openreq_init()
6774 	ireq->wscale_ok = rx_opt->wscale_ok;  in tcp_openreq_init()
6781 	ireq->smc_ok = rx_opt->smc_ok && !(tcp_sk(sk)->smc_hs_congested &&  in tcp_openreq_init()
6894 	mss = tcp_parse_mss_option(th, tp->rx_opt.user_mss);  in tcp_get_syncookie_mss()
6948 	tmp_opt.user_mss  = tp->rx_opt.user_mss;  in tcp_conn_request()