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()
670 	if (tp->rx_opt.rcv_tsecr == tp->rcv_rtt_last_tsecr)  in tcp_rcv_rtt_measure_ts()
672 	tp->rcv_rtt_last_tsecr = tp->rx_opt.rcv_tsecr;  in tcp_rcv_rtt_measure_ts()
676 		u32 delta = tcp_time_stamp(tp) - tp->rx_opt.rcv_tsecr;  in tcp_rcv_rtt_measure_ts()
1003 	tp->rx_opt.sack_ok |= TCP_DSACK_SEEN;  in tcp_dsack_seen()
1039 			 tp->rx_opt.sack_ok, inet_csk(sk)->icsk_ca_state,  in tcp_check_sack_reordering()
2387 	return tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr &&  in tcp_tsopt_ecr_before()
2388 	       before(tp->rx_opt.rcv_tsecr, when);  in tcp_tsopt_ecr_before()
3078 	if (seq_rtt_us < 0 && tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr &&  in tcp_ack_update_rtt()
3080 		u32 delta = tcp_time_stamp(tp) - tp->rx_opt.rcv_tsecr;  in tcp_ack_update_rtt()
3531 		nwin <<= tp->rx_opt.snd_wscale;  in tcp_ack_update_window()
3631 	tp->rx_opt.ts_recent = tp->rx_opt.rcv_tsval;  in tcp_store_ts_recent()
3632 	tp->rx_opt.ts_recent_stamp = ktime_get_seconds();  in tcp_store_ts_recent()
3637 	if (tp->rx_opt.saw_tstamp && !after(seq, tp->rcv_wup)) {  in tcp_replace_ts_recent()
3645 		if (tcp_paws_check(&tp->rx_opt, 0))  in tcp_replace_ts_recent()
4132 		tp->rx_opt.saw_tstamp = 1;  in tcp_parse_aligned_timestamp()
4134 		tp->rx_opt.rcv_tsval = ntohl(*ptr);  in tcp_parse_aligned_timestamp()
4137 			tp->rx_opt.rcv_tsecr = ntohl(*ptr) - tp->tsoffset;  in tcp_parse_aligned_timestamp()
4139 			tp->rx_opt.rcv_tsecr = 0;  in tcp_parse_aligned_timestamp()
4156 		tp->rx_opt.saw_tstamp = 0;  in tcp_fast_parse_options()
4158 	} else if (tp->rx_opt.tstamp_ok &&  in tcp_fast_parse_options()
4164 	tcp_parse_options(net, skb, &tp->rx_opt, 1, NULL);  in tcp_fast_parse_options()
4165 	if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr)  in tcp_fast_parse_options()
4166 		tp->rx_opt.rcv_tsecr -= tp->tsoffset;  in tcp_fast_parse_options()
4243 		!tcp_may_update_window(tp, ack, seq, ntohs(th->window) << tp->rx_opt.snd_wscale) &&  in tcp_disordered_ack()
4246 		(s32)(tp->rx_opt.ts_recent - tp->rx_opt.rcv_tsval) <= (inet_csk(sk)->icsk_rto * 1024) / HZ);  in tcp_disordered_ack()
4254 	return !tcp_paws_check(&tp->rx_opt, TCP_PAWS_WINDOW) &&  in tcp_paws_discard()
4379 		tcp_sack_reset(&tp->rx_opt);  in tcp_fin()
4421 		tp->rx_opt.dsack = 1;  in tcp_dsack_set()
4431 	if (!tp->rx_opt.dsack)  in tcp_dsack_extend()
4483 	for (this_sack = 1; this_sack < tp->rx_opt.num_sacks;) {  in tcp_sack_maybe_coalesce()
4490 			tp->rx_opt.num_sacks--;  in tcp_sack_maybe_coalesce()
4491 			for (i = this_sack; i < tp->rx_opt.num_sacks; i++)  in tcp_sack_maybe_coalesce()
4531 	int cur_sacks = tp->rx_opt.num_sacks;  in tcp_sack_new_ofo_skb()
4561 		tp->rx_opt.num_sacks--;  in tcp_sack_new_ofo_skb()
4571 	tp->rx_opt.num_sacks++;  in tcp_sack_new_ofo_skb()
4579 	int num_sacks = tp->rx_opt.num_sacks;  in tcp_sack_remove()
4584 		tp->rx_opt.num_sacks = 0;  in tcp_sack_remove()
4605 	tp->rx_opt.num_sacks = num_sacks;  in tcp_sack_remove()
4784 			tp->rx_opt.num_sacks = 1;  in tcp_data_queue_ofo()
4994 	tp->rx_opt.dsack = 0;  in tcp_data_queue()
5032 		if (tp->rx_opt.num_sacks)  in tcp_data_queue()
5328 	if (tp->rx_opt.sack_ok)  in tcp_prune_ofo_queue()
5329 		tcp_sack_reset(&tp->rx_opt);  in tcp_prune_ofo_queue()
5638 	    tp->rx_opt.saw_tstamp &&  in tcp_validate_incoming()
5686 		} else if (tcp_is_sack(tp) && tp->rx_opt.num_sacks > 0) {  in tcp_validate_incoming()
5691 			for (this_sack = 1; this_sack < tp->rx_opt.num_sacks;  in tcp_validate_incoming()
5790 	tp->rx_opt.saw_tstamp = 0;  in tcp_rcv_established()
5818 			if ((s32)(tp->rx_opt.rcv_tsval - tp->rx_opt.ts_recent) < 0)  in tcp_rcv_established()
5850 				tp->rcv_rtt_last_tsecr = tp->rx_opt.rcv_tsecr;  in tcp_rcv_established()
5996 	if (!tp->rx_opt.snd_wscale)  in tcp_finish_connect()
6007 	u16 mss = tp->rx_opt.mss_clamp, try_exp = 0;  in tcp_rcv_fastopen_synack()
6010 	if (mss == tp->rx_opt.user_mss) {  in tcp_rcv_fastopen_synack()
6069 		if (tp->syn_smc && !tp->rx_opt.smc_ok)  in smc_check_reset_syn()
6085 	if (tp->undo_marker && syn_stamp && tp->rx_opt.saw_tstamp &&  in tcp_try_undo_spurious_syn()
6086 	    syn_stamp == tp->rx_opt.rcv_tsecr)  in tcp_try_undo_spurious_syn()
6096 	int saved_clamp = tp->rx_opt.mss_clamp;  in tcp_rcv_synsent_state_process()
6099 	tcp_parse_options(sock_net(sk), skb, &tp->rx_opt, 0, &foc);  in tcp_rcv_synsent_state_process()
6100 	if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr)  in tcp_rcv_synsent_state_process()
6101 		tp->rx_opt.rcv_tsecr -= tp->tsoffset;  in tcp_rcv_synsent_state_process()
6122 		if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr &&  in tcp_rcv_synsent_state_process()
6123 		    !between(tp->rx_opt.rcv_tsecr, tp->retrans_stamp,  in tcp_rcv_synsent_state_process()
6177 		if (!tp->rx_opt.wscale_ok) {  in tcp_rcv_synsent_state_process()
6178 			tp->rx_opt.snd_wscale = tp->rx_opt.rcv_wscale = 0;  in tcp_rcv_synsent_state_process()
6182 		if (tp->rx_opt.saw_tstamp) {  in tcp_rcv_synsent_state_process()
6183 			tp->rx_opt.tstamp_ok	   = 1;  in tcp_rcv_synsent_state_process()
6252 	if (tp->rx_opt.ts_recent_stamp && tp->rx_opt.saw_tstamp &&  in tcp_rcv_synsent_state_process()
6253 	    tcp_paws_reject(&tp->rx_opt, 0))  in tcp_rcv_synsent_state_process()
6263 		if (tp->rx_opt.saw_tstamp) {  in tcp_rcv_synsent_state_process()
6264 			tp->rx_opt.tstamp_ok = 1;  in tcp_rcv_synsent_state_process()
6312 	tcp_clear_options(&tp->rx_opt);  in tcp_rcv_synsent_state_process()
6313 	tp->rx_opt.mss_clamp = saved_clamp;  in tcp_rcv_synsent_state_process()
6317 	tcp_clear_options(&tp->rx_opt);  in tcp_rcv_synsent_state_process()
6318 	tp->rx_opt.mss_clamp = saved_clamp;  in tcp_rcv_synsent_state_process()
6401 		tp->rx_opt.saw_tstamp = 0;  in tcp_rcv_state_process()
6415 	tp->rx_opt.saw_tstamp = 0;  in tcp_rcv_state_process()
6472 		tp->snd_wnd = ntohs(th->window) << tp->rx_opt.snd_wscale;  in tcp_rcv_state_process()
6475 		if (tp->rx_opt.tstamp_ok)  in tcp_rcv_state_process()
6665 			     const struct tcp_options_received *rx_opt,  in tcp_openreq_init()  argument
6675 	req->mss = rx_opt->mss_clamp;  in tcp_openreq_init()
6676 	req->ts_recent = rx_opt->saw_tstamp ? rx_opt->rcv_tsval : 0;  in tcp_openreq_init()
6677 	ireq->tstamp_ok = rx_opt->tstamp_ok;  in tcp_openreq_init()
6678 	ireq->sack_ok = rx_opt->sack_ok;  in tcp_openreq_init()
6679 	ireq->snd_wscale = rx_opt->snd_wscale;  in tcp_openreq_init()
6680 	ireq->wscale_ok = rx_opt->wscale_ok;  in tcp_openreq_init()
6687 	ireq->smc_ok = rx_opt->smc_ok;  in tcp_openreq_init()
6796 	mss = tcp_parse_mss_option(th, tp->rx_opt.user_mss);  in tcp_get_syncookie_mss()
6848 	tmp_opt.user_mss  = tp->rx_opt.user_mss;  in tcp_conn_request()