Lines Matching refs:tp
53 void tcp_mstamp_refresh(struct tcp_sock *tp) in tcp_mstamp_refresh() argument
57 tp->tcp_clock_cache = val; in tcp_mstamp_refresh()
58 tp->tcp_mstamp = div_u64(val, NSEC_PER_USEC); in tcp_mstamp_refresh()
68 struct tcp_sock *tp = tcp_sk(sk); in tcp_event_new_data_sent() local
69 unsigned int prior_packets = tp->packets_out; in tcp_event_new_data_sent()
71 WRITE_ONCE(tp->snd_nxt, TCP_SKB_CB(skb)->end_seq); in tcp_event_new_data_sent()
76 if (tp->highest_sack == NULL) in tcp_event_new_data_sent()
77 tp->highest_sack = skb; in tcp_event_new_data_sent()
79 tp->packets_out += tcp_skb_pcount(skb); in tcp_event_new_data_sent()
96 const struct tcp_sock *tp = tcp_sk(sk); in tcp_acceptable_seq() local
98 if (!before(tcp_wnd_end(tp), tp->snd_nxt) || in tcp_acceptable_seq()
99 (tp->rx_opt.wscale_ok && in tcp_acceptable_seq()
100 ((tp->snd_nxt - tcp_wnd_end(tp)) < (1 << tp->rx_opt.rcv_wscale)))) in tcp_acceptable_seq()
101 return tp->snd_nxt; in tcp_acceptable_seq()
103 return tcp_wnd_end(tp); in tcp_acceptable_seq()
122 struct tcp_sock *tp = tcp_sk(sk); in tcp_advertise_mss() local
124 int mss = tp->advmss; in tcp_advertise_mss()
131 tp->advmss = mss; in tcp_advertise_mss()
143 struct tcp_sock *tp = tcp_sk(sk); in tcp_cwnd_restart() local
144 u32 restart_cwnd = tcp_init_cwnd(tp, __sk_dst_get(sk)); in tcp_cwnd_restart()
145 u32 cwnd = tp->snd_cwnd; in tcp_cwnd_restart()
149 tp->snd_ssthresh = tcp_current_ssthresh(sk); in tcp_cwnd_restart()
154 tp->snd_cwnd = max(cwnd, restart_cwnd); in tcp_cwnd_restart()
155 tp->snd_cwnd_stamp = tcp_jiffies32; in tcp_cwnd_restart()
156 tp->snd_cwnd_used = 0; in tcp_cwnd_restart()
160 static void tcp_event_data_sent(struct tcp_sock *tp, in tcp_event_data_sent() argument
166 if (tcp_packets_in_flight(tp) == 0) in tcp_event_data_sent()
174 if (before(tp->lsndtime, icsk->icsk_ack.lrcvtime) && in tcp_event_data_sent()
178 tp->lsndtime = now; in tcp_event_data_sent()
185 struct tcp_sock *tp = tcp_sk(sk); in tcp_event_ack_sent() local
187 if (unlikely(tp->compressed_ack)) { in tcp_event_ack_sent()
189 tp->compressed_ack); in tcp_event_ack_sent()
190 tp->compressed_ack = 0; in tcp_event_ack_sent()
191 if (hrtimer_try_to_cancel(&tp->compressed_ack_timer) == 1) in tcp_event_ack_sent()
195 if (unlikely(rcv_nxt != tp->rcv_nxt)) in tcp_event_ack_sent()
261 struct tcp_sock *tp = tcp_sk(sk); in tcp_select_window() local
262 u32 old_win = tp->rcv_wnd; in tcp_select_window()
263 u32 cur_win = tcp_receive_window(tp); in tcp_select_window()
278 new_win = ALIGN(cur_win, 1 << tp->rx_opt.rcv_wscale); in tcp_select_window()
280 tp->rcv_wnd = new_win; in tcp_select_window()
281 tp->rcv_wup = tp->rcv_nxt; in tcp_select_window()
286 if (!tp->rx_opt.rcv_wscale && in tcp_select_window()
290 new_win = min(new_win, (65535U << tp->rx_opt.rcv_wscale)); in tcp_select_window()
293 new_win >>= tp->rx_opt.rcv_wscale; in tcp_select_window()
297 tp->pred_flags = 0; in tcp_select_window()
311 const struct tcp_sock *tp = tcp_sk(sk); in tcp_ecn_send_synack() local
314 if (!(tp->ecn_flags & TCP_ECN_OK)) in tcp_ecn_send_synack()
324 struct tcp_sock *tp = tcp_sk(sk); in tcp_ecn_send_syn() local
336 tp->ecn_flags = 0; in tcp_ecn_send_syn()
340 tp->ecn_flags = TCP_ECN_OK; in tcp_ecn_send_syn()
368 struct tcp_sock *tp = tcp_sk(sk); in tcp_ecn_send() local
370 if (tp->ecn_flags & TCP_ECN_OK) { in tcp_ecn_send()
373 !before(TCP_SKB_CB(skb)->seq, tp->snd_nxt)) { in tcp_ecn_send()
375 if (tp->ecn_flags & TCP_ECN_QUEUE_CWR) { in tcp_ecn_send()
376 tp->ecn_flags &= ~TCP_ECN_QUEUE_CWR; in tcp_ecn_send()
384 if (tp->ecn_flags & TCP_ECN_DEMAND_CWR) in tcp_ecn_send()
407 static inline bool tcp_urg_mode(const struct tcp_sock *tp) in tcp_urg_mode() argument
409 return tp->snd_una != tp->snd_up; in tcp_urg_mode()
608 static void tcp_options_write(__be32 *ptr, struct tcp_sock *tp, in tcp_options_write() argument
659 struct tcp_sack_block *sp = tp->rx_opt.dsack ? in tcp_options_write()
660 tp->duplicate_sack : tp->selective_acks; in tcp_options_write()
675 tp->rx_opt.dsack = 0; in tcp_options_write()
707 static void smc_set_option(const struct tcp_sock *tp, in smc_set_option() argument
713 if (tp->syn_smc) { in smc_set_option()
723 static void smc_set_option_cond(const struct tcp_sock *tp, in smc_set_option_cond() argument
730 if (tp->syn_smc && ireq->smc_ok) { in smc_set_option_cond()
763 struct tcp_sock *tp = tcp_sk(sk); in tcp_syn_options() local
765 struct tcp_fastopen_request *fastopen = tp->fastopen_req; in tcp_syn_options()
770 rcu_access_pointer(tp->md5sig_info)) { in tcp_syn_options()
771 *md5 = tp->af_specific->md5_lookup(sk, sk); in tcp_syn_options()
793 opts->tsval = tcp_skb_timestamp(skb) + tp->tsoffset; in tcp_syn_options()
794 opts->tsecr = tp->rx_opt.ts_recent; in tcp_syn_options()
798 opts->ws = tp->rx_opt.rcv_wscale; in tcp_syn_options()
818 tp->syn_fastopen = 1; in tcp_syn_options()
819 tp->syn_fastopen_exp = fastopen->cookie.exp ? 1 : 0; in tcp_syn_options()
823 smc_set_option(tp, opts, &remaining); in tcp_syn_options()
917 struct tcp_sock *tp = tcp_sk(sk); in tcp_established_options() local
926 rcu_access_pointer(tp->md5sig_info)) { in tcp_established_options()
927 *md5 = tp->af_specific->md5_lookup(sk, sk); in tcp_established_options()
935 if (likely(tp->rx_opt.tstamp_ok)) { in tcp_established_options()
937 opts->tsval = skb ? tcp_skb_timestamp(skb) + tp->tsoffset : 0; in tcp_established_options()
938 opts->tsecr = tp->rx_opt.ts_recent; in tcp_established_options()
959 eff_sacks = tp->rx_opt.num_sacks + tp->rx_opt.dsack; in tcp_established_options()
975 if (unlikely(BPF_SOCK_OPS_TEST_FLAG(tp, in tcp_established_options()
1013 struct tcp_sock *tp = tcp_sk(sk); in tcp_tsq_write() local
1015 if (tp->lost_out > tp->retrans_out && in tcp_tsq_write()
1016 tp->snd_cwnd > tcp_packets_in_flight(tp)) { in tcp_tsq_write()
1017 tcp_mstamp_refresh(tp); in tcp_tsq_write()
1021 tcp_write_xmit(sk, tcp_current_mss(sk), tp->nonagle, in tcp_tsq_write()
1047 struct tcp_sock *tp; in tcp_tasklet_func() local
1055 tp = list_entry(q, struct tcp_sock, tsq_node); in tcp_tasklet_func()
1056 list_del(&tp->tsq_node); in tcp_tasklet_func()
1058 sk = (struct sock *)tp; in tcp_tasklet_func()
1142 struct tcp_sock *tp = tcp_sk(sk); in tcp_wfree() local
1176 list_add(&tp->tsq_node, &tsq->head); in tcp_wfree()
1191 struct tcp_sock *tp = container_of(timer, struct tcp_sock, pacing_timer); in tcp_pace_kick() local
1192 struct sock *sk = (struct sock *)tp; in tcp_pace_kick()
1203 struct tcp_sock *tp = tcp_sk(sk); in tcp_update_skb_after_send() local
1212 if (rate != ~0UL && rate && tp->data_segs_out >= 10) { in tcp_update_skb_after_send()
1214 u64 credit = tp->tcp_wstamp_ns - prior_wstamp; in tcp_update_skb_after_send()
1218 tp->tcp_wstamp_ns += len_ns; in tcp_update_skb_after_send()
1221 list_move_tail(&skb->tcp_tsorted_anchor, &tp->tsorted_sent_queue); in tcp_update_skb_after_send()
1244 struct tcp_sock *tp; in __tcp_transmit_skb() local
1255 tp = tcp_sk(sk); in __tcp_transmit_skb()
1256 prior_wstamp = tp->tcp_wstamp_ns; in __tcp_transmit_skb()
1257 tp->tcp_wstamp_ns = max(tp->tcp_wstamp_ns, tp->tcp_clock_cache); in __tcp_transmit_skb()
1258 skb->skb_mstamp_ns = tp->tcp_wstamp_ns; in __tcp_transmit_skb()
1261 - tp->snd_una; in __tcp_transmit_skb()
1341 if (unlikely(tcp_urg_mode(tp) && before(tcb->seq, tp->snd_up))) { in __tcp_transmit_skb()
1342 if (before(tp->snd_up, tcb->seq + 0x10000)) { in __tcp_transmit_skb()
1343 th->urg_ptr = htons(tp->snd_up - tcb->seq); in __tcp_transmit_skb()
1345 } else if (after(tcb->seq + 0xFFFF, tp->snd_nxt)) { in __tcp_transmit_skb()
1351 tcp_options_write((__be32 *)(th + 1), tp, &opts); in __tcp_transmit_skb()
1360 th->window = htons(min(tp->rcv_wnd, 65535U)); in __tcp_transmit_skb()
1366 tp->af_specific->calc_md5_hash(opts.hash_location, in __tcp_transmit_skb()
1382 tcp_event_data_sent(tp, sk); in __tcp_transmit_skb()
1383 tp->data_segs_out += tcp_skb_pcount(skb); in __tcp_transmit_skb()
1384 tp->bytes_sent += skb->len - tcp_header_size; in __tcp_transmit_skb()
1387 if (after(tcb->end_seq, tp->snd_nxt) || tcb->seq == tcb->end_seq) in __tcp_transmit_skb()
1391 tp->segs_out += tcp_skb_pcount(skb); in __tcp_transmit_skb()
1402 tcp_add_tx_delay(skb, tp); in __tcp_transmit_skb()
1433 struct tcp_sock *tp = tcp_sk(sk); in tcp_queue_skb() local
1436 WRITE_ONCE(tp->write_seq, TCP_SKB_CB(skb)->end_seq); in tcp_queue_skb()
1463 struct tcp_sock *tp = tcp_sk(sk); in tcp_adjust_pcount() local
1465 tp->packets_out -= decr; in tcp_adjust_pcount()
1468 tp->sacked_out -= decr; in tcp_adjust_pcount()
1470 tp->retrans_out -= decr; in tcp_adjust_pcount()
1472 tp->lost_out -= decr; in tcp_adjust_pcount()
1475 if (tcp_is_reno(tp) && decr > 0) in tcp_adjust_pcount()
1476 tp->sacked_out -= min_t(u32, tp->sacked_out, decr); in tcp_adjust_pcount()
1478 if (tp->lost_skb_hint && in tcp_adjust_pcount()
1479 before(TCP_SKB_CB(skb)->seq, TCP_SKB_CB(tp->lost_skb_hint)->seq) && in tcp_adjust_pcount()
1481 tp->lost_cnt_hint -= decr; in tcp_adjust_pcount()
1483 tcp_verify_left_out(tp); in tcp_adjust_pcount()
1536 struct tcp_sock *tp = tcp_sk(sk); in tcp_fragment() local
1610 if (!before(tp->snd_nxt, TCP_SKB_CB(buff)->end_seq)) { in tcp_fragment()
1697 const struct tcp_sock *tp = tcp_sk(sk); in __tcp_mtu_to_mss() local
1715 if (mss_now > tp->rx_opt.mss_clamp) in __tcp_mtu_to_mss()
1716 mss_now = tp->rx_opt.mss_clamp; in __tcp_mtu_to_mss()
1737 const struct tcp_sock *tp = tcp_sk(sk); in tcp_mss_to_mtu() local
1742 tp->tcp_header_len + in tcp_mss_to_mtu()
1760 struct tcp_sock *tp = tcp_sk(sk); in tcp_mtup_init() local
1765 icsk->icsk_mtup.search_high = tp->rx_opt.mss_clamp + sizeof(struct tcphdr) + in tcp_mtup_init()
1798 struct tcp_sock *tp = tcp_sk(sk); in tcp_sync_mss() local
1806 mss_now = tcp_bound_to_half_wnd(tp, mss_now); in tcp_sync_mss()
1812 tp->mss_cache = mss_now; in tcp_sync_mss()
1823 const struct tcp_sock *tp = tcp_sk(sk); in tcp_current_mss() local
1830 mss_now = tp->mss_cache; in tcp_current_mss()
1844 if (header_len != tp->tcp_header_len) { in tcp_current_mss()
1845 int delta = (int) header_len - tp->tcp_header_len; in tcp_current_mss()
1858 struct tcp_sock *tp = tcp_sk(sk); in tcp_cwnd_application_limited() local
1863 u32 init_win = tcp_init_cwnd(tp, __sk_dst_get(sk)); in tcp_cwnd_application_limited()
1864 u32 win_used = max(tp->snd_cwnd_used, init_win); in tcp_cwnd_application_limited()
1865 if (win_used < tp->snd_cwnd) { in tcp_cwnd_application_limited()
1866 tp->snd_ssthresh = tcp_current_ssthresh(sk); in tcp_cwnd_application_limited()
1867 tp->snd_cwnd = (tp->snd_cwnd + win_used) >> 1; in tcp_cwnd_application_limited()
1869 tp->snd_cwnd_used = 0; in tcp_cwnd_application_limited()
1871 tp->snd_cwnd_stamp = tcp_jiffies32; in tcp_cwnd_application_limited()
1877 struct tcp_sock *tp = tcp_sk(sk); in tcp_cwnd_validate() local
1882 if (!before(tp->snd_una, tp->max_packets_seq) || in tcp_cwnd_validate()
1883 tp->packets_out > tp->max_packets_out || in tcp_cwnd_validate()
1885 tp->max_packets_out = tp->packets_out; in tcp_cwnd_validate()
1886 tp->max_packets_seq = tp->snd_nxt; in tcp_cwnd_validate()
1887 tp->is_cwnd_limited = is_cwnd_limited; in tcp_cwnd_validate()
1892 tp->snd_cwnd_used = 0; in tcp_cwnd_validate()
1893 tp->snd_cwnd_stamp = tcp_jiffies32; in tcp_cwnd_validate()
1896 if (tp->packets_out > tp->snd_cwnd_used) in tcp_cwnd_validate()
1897 tp->snd_cwnd_used = tp->packets_out; in tcp_cwnd_validate()
1900 (s32)(tcp_jiffies32 - tp->snd_cwnd_stamp) >= inet_csk(sk)->icsk_rto && in tcp_cwnd_validate()
1919 static bool tcp_minshall_check(const struct tcp_sock *tp) in tcp_minshall_check() argument
1921 return after(tp->snd_sml, tp->snd_una) && in tcp_minshall_check()
1922 !after(tp->snd_sml, tp->snd_nxt); in tcp_minshall_check()
1933 static void tcp_minshall_update(struct tcp_sock *tp, unsigned int mss_now, in tcp_minshall_update() argument
1937 tp->snd_sml = TCP_SKB_CB(skb)->end_seq; in tcp_minshall_update()
1947 static bool tcp_nagle_check(bool partial, const struct tcp_sock *tp, in tcp_nagle_check() argument
1952 (!nonagle && tp->packets_out && tcp_minshall_check(tp))); in tcp_nagle_check()
2000 const struct tcp_sock *tp = tcp_sk(sk); in tcp_mss_split_point() local
2003 window = tcp_wnd_end(tp) - TCP_SKB_CB(skb)->seq; in tcp_mss_split_point()
2019 if (tcp_nagle_check(partial != 0, tp, nonagle)) in tcp_mss_split_point()
2028 static inline unsigned int tcp_cwnd_test(const struct tcp_sock *tp, in tcp_cwnd_test() argument
2038 in_flight = tcp_packets_in_flight(tp); in tcp_cwnd_test()
2039 cwnd = tp->snd_cwnd; in tcp_cwnd_test()
2069 static inline bool tcp_nagle_test(const struct tcp_sock *tp, const struct sk_buff *skb, in tcp_nagle_test() argument
2082 if (tcp_urg_mode(tp) || (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)) in tcp_nagle_test()
2085 if (!tcp_nagle_check(skb->len < cur_mss, tp, nonagle)) in tcp_nagle_test()
2092 static bool tcp_snd_wnd_test(const struct tcp_sock *tp, in tcp_snd_wnd_test() argument
2101 return !after(end_seq, tcp_wnd_end(tp)); in tcp_snd_wnd_test()
2175 struct tcp_sock *tp = tcp_sk(sk); in tcp_tso_should_defer() local
2188 delta = tp->tcp_clock_cache - tp->tcp_wstamp_ns - NSEC_PER_MSEC; in tcp_tso_should_defer()
2192 in_flight = tcp_packets_in_flight(tp); in tcp_tso_should_defer()
2195 BUG_ON(tp->snd_cwnd <= in_flight); in tcp_tso_should_defer()
2197 send_win = tcp_wnd_end(tp) - TCP_SKB_CB(skb)->seq; in tcp_tso_should_defer()
2200 cong_win = (tp->snd_cwnd - in_flight) * tp->mss_cache; in tcp_tso_should_defer()
2205 if (limit >= max_segs * tp->mss_cache) in tcp_tso_should_defer()
2214 u32 chunk = min(tp->snd_wnd, tp->snd_cwnd * tp->mss_cache); in tcp_tso_should_defer()
2228 if (limit > tcp_max_tso_deferred_mss(tp) * tp->mss_cache) in tcp_tso_should_defer()
2236 delta = tp->tcp_clock_cache - head->tstamp; in tcp_tso_should_defer()
2238 if ((s64)(delta - (u64)NSEC_PER_USEC * (tp->srtt_us >> 4)) < 0) in tcp_tso_should_defer()
2273 struct tcp_sock *tp = tcp_sk(sk); in tcp_mtu_check_reprobe() local
2285 icsk->icsk_mtup.search_high = tp->rx_opt.mss_clamp + in tcp_mtu_check_reprobe()
2325 struct tcp_sock *tp = tcp_sk(sk); in tcp_mtu_probe() local
2342 tp->snd_cwnd < 11 || in tcp_mtu_probe()
2343 tp->rx_opt.num_sacks || tp->rx_opt.dsack)) in tcp_mtu_probe()
2353 size_needed = probe_size + (tp->reordering + 1) * tp->mss_cache; in tcp_mtu_probe()
2369 if (tp->write_seq - tp->snd_nxt < size_needed) in tcp_mtu_probe()
2372 if (tp->snd_wnd < size_needed) in tcp_mtu_probe()
2374 if (after(tp->snd_nxt + size_needed, tcp_wnd_end(tp))) in tcp_mtu_probe()
2378 if (tcp_packets_in_flight(tp) + 2 > tp->snd_cwnd) { in tcp_mtu_probe()
2379 if (!tcp_packets_in_flight(tp)) in tcp_mtu_probe()
2449 tp->snd_cwnd--; in tcp_mtu_probe()
2453 tp->mtu_probe.probe_seq_start = TCP_SKB_CB(nskb)->seq; in tcp_mtu_probe()
2454 tp->mtu_probe.probe_seq_end = TCP_SKB_CB(nskb)->end_seq; in tcp_mtu_probe()
2464 struct tcp_sock *tp = tcp_sk(sk); in tcp_pacing_check() local
2469 if (tp->tcp_wstamp_ns <= tp->tcp_clock_cache) in tcp_pacing_check()
2472 if (!hrtimer_is_queued(&tp->pacing_timer)) { in tcp_pacing_check()
2473 hrtimer_start(&tp->pacing_timer, in tcp_pacing_check()
2474 ns_to_ktime(tp->tcp_wstamp_ns), in tcp_pacing_check()
2538 static void tcp_chrono_set(struct tcp_sock *tp, const enum tcp_chrono new) in tcp_chrono_set() argument
2541 enum tcp_chrono old = tp->chrono_type; in tcp_chrono_set()
2544 tp->chrono_stat[old - 1] += now - tp->chrono_start; in tcp_chrono_set()
2545 tp->chrono_start = now; in tcp_chrono_set()
2546 tp->chrono_type = new; in tcp_chrono_set()
2551 struct tcp_sock *tp = tcp_sk(sk); in tcp_chrono_start() local
2558 if (type > tp->chrono_type) in tcp_chrono_start()
2559 tcp_chrono_set(tp, type); in tcp_chrono_start()
2564 struct tcp_sock *tp = tcp_sk(sk); in tcp_chrono_stop() local
2575 tcp_chrono_set(tp, TCP_CHRONO_UNSPEC); in tcp_chrono_stop()
2576 else if (type == tp->chrono_type) in tcp_chrono_stop()
2577 tcp_chrono_set(tp, TCP_CHRONO_BUSY); in tcp_chrono_stop()
2597 struct tcp_sock *tp = tcp_sk(sk); in tcp_write_xmit() local
2607 tcp_mstamp_refresh(tp); in tcp_write_xmit()
2622 if (unlikely(tp->repair) && tp->repair_queue == TCP_SEND_QUEUE) { in tcp_write_xmit()
2624 skb->skb_mstamp_ns = tp->tcp_wstamp_ns = tp->tcp_clock_cache; in tcp_write_xmit()
2625 list_move_tail(&skb->tcp_tsorted_anchor, &tp->tsorted_sent_queue); in tcp_write_xmit()
2636 cwnd_quota = tcp_cwnd_test(tp, skb); in tcp_write_xmit()
2645 if (unlikely(!tcp_snd_wnd_test(tp, skb, mss_now))) { in tcp_write_xmit()
2651 if (unlikely(!tcp_nagle_test(tp, skb, mss_now, in tcp_write_xmit()
2663 if (tso_segs > 1 && !tcp_urg_mode(tp)) in tcp_write_xmit()
2694 tcp_minshall_update(tp, mss_now, skb); in tcp_write_xmit()
2706 is_cwnd_limited |= (tcp_packets_in_flight(tp) >= tp->snd_cwnd); in tcp_write_xmit()
2712 tp->prr_out += sent_pkts; in tcp_write_xmit()
2719 return !tp->packets_out && !tcp_write_queue_empty(sk); in tcp_write_xmit()
2725 struct tcp_sock *tp = tcp_sk(sk); in tcp_schedule_loss_probe() local
2732 if (rcu_access_pointer(tp->fastopen_rsk)) in tcp_schedule_loss_probe()
2740 !tp->packets_out || !tcp_is_sack(tp) || in tcp_schedule_loss_probe()
2749 if (tp->srtt_us) { in tcp_schedule_loss_probe()
2750 timeout = usecs_to_jiffies(tp->srtt_us >> 2); in tcp_schedule_loss_probe()
2751 if (tp->packets_out == 1) in tcp_schedule_loss_probe()
2790 struct tcp_sock *tp = tcp_sk(sk); in tcp_send_loss_probe() local
2796 if (tp->tlp_high_seq) in tcp_send_loss_probe()
2799 tp->tlp_retrans = 0; in tcp_send_loss_probe()
2801 if (skb && tcp_snd_wnd_test(tp, skb, mss)) { in tcp_send_loss_probe()
2802 pcount = tp->packets_out; in tcp_send_loss_probe()
2804 if (tp->packets_out > pcount) in tcp_send_loss_probe()
2810 WARN_ONCE(tp->packets_out, in tcp_send_loss_probe()
2812 tp->packets_out, sk->sk_state, tp->snd_cwnd, mss); in tcp_send_loss_probe()
2838 tp->tlp_retrans = 1; in tcp_send_loss_probe()
2842 tp->tlp_high_seq = tp->snd_nxt; in tcp_send_loss_probe()
2937 struct tcp_sock *tp = tcp_sk(sk); in __tcp_select_window() local
2952 full_space = min_t(int, tp->window_clamp, allowed_space); in __tcp_select_window()
2963 tp->rcv_ssthresh = min(tp->rcv_ssthresh, in __tcp_select_window()
2964 4U * tp->advmss); in __tcp_select_window()
2969 free_space = round_down(free_space, 1 << tp->rx_opt.rcv_wscale); in __tcp_select_window()
2982 if (free_space > tp->rcv_ssthresh) in __tcp_select_window()
2983 free_space = tp->rcv_ssthresh; in __tcp_select_window()
2988 if (tp->rx_opt.rcv_wscale) { in __tcp_select_window()
2995 window = ALIGN(window, (1 << tp->rx_opt.rcv_wscale)); in __tcp_select_window()
2997 window = tp->rcv_wnd; in __tcp_select_window()
3034 struct tcp_sock *tp = tcp_sk(sk); in tcp_collapse_retrans() local
3064 tcp_clear_retrans_hints_partial(tp); in tcp_collapse_retrans()
3065 if (next_skb == tp->retransmit_skb_hint) in tcp_collapse_retrans()
3066 tp->retransmit_skb_hint = skb; in tcp_collapse_retrans()
3096 struct tcp_sock *tp = tcp_sk(sk); in tcp_retrans_try_collapse() local
3122 if (after(TCP_SKB_CB(skb)->end_seq, tcp_wnd_end(tp))) in tcp_retrans_try_collapse()
3137 struct tcp_sock *tp = tcp_sk(sk); in __tcp_retransmit_skb() local
3157 if (before(TCP_SKB_CB(skb)->seq, tp->snd_una)) { in __tcp_retransmit_skb()
3158 if (unlikely(before(TCP_SKB_CB(skb)->end_seq, tp->snd_una))) { in __tcp_retransmit_skb()
3162 if (tcp_trim_head(sk, skb, tp->snd_una - TCP_SKB_CB(skb)->seq)) in __tcp_retransmit_skb()
3176 if (!before(TCP_SKB_CB(skb)->seq, tcp_wnd_end(tp)) && in __tcp_retransmit_skb()
3177 TCP_SKB_CB(skb)->seq != tp->snd_una) in __tcp_retransmit_skb()
3207 tp->total_retrans += segs; in __tcp_retransmit_skb()
3208 tp->bytes_retrans += skb->len; in __tcp_retransmit_skb()
3229 tcp_update_skb_after_send(sk, skb, tp->tcp_wstamp_ns); in __tcp_retransmit_skb()
3241 if (BPF_SOCK_OPS_TEST_FLAG(tp, BPF_SOCK_OPS_RETRANS_CB_FLAG)) in __tcp_retransmit_skb()
3255 struct tcp_sock *tp = tcp_sk(sk); in tcp_retransmit_skb() local
3265 tp->retrans_out += tcp_skb_pcount(skb); in tcp_retransmit_skb()
3269 if (!tp->retrans_stamp) in tcp_retransmit_skb()
3270 tp->retrans_stamp = tcp_skb_timestamp(skb); in tcp_retransmit_skb()
3272 if (tp->undo_retrans < 0) in tcp_retransmit_skb()
3273 tp->undo_retrans = 0; in tcp_retransmit_skb()
3274 tp->undo_retrans += tcp_skb_pcount(skb); in tcp_retransmit_skb()
3287 struct tcp_sock *tp = tcp_sk(sk); in tcp_xmit_retransmit_queue() local
3292 if (!tp->packets_out) in tcp_xmit_retransmit_queue()
3296 skb = tp->retransmit_skb_hint ?: rtx_head; in tcp_xmit_retransmit_queue()
3307 tp->retransmit_skb_hint = skb; in tcp_xmit_retransmit_queue()
3309 segs = tp->snd_cwnd - tcp_packets_in_flight(tp); in tcp_xmit_retransmit_queue()
3318 if (tp->retrans_out >= tp->lost_out) { in tcp_xmit_retransmit_queue()
3344 tp->prr_out += tcp_skb_pcount(skb); in tcp_xmit_retransmit_queue()
3384 struct tcp_sock *tp = tcp_sk(sk); in tcp_send_fin() local
3398 tp->write_seq++; in tcp_send_fin()
3406 WRITE_ONCE(tp->snd_nxt, tp->snd_nxt + 1); in tcp_send_fin()
3418 tcp_init_nondata_skb(skb, tp->write_seq, in tcp_send_fin()
3515 const struct tcp_sock *tp = tcp_sk(sk); in tcp_make_synack() local
3551 mss = tcp_mss_clamp(tp, dst_metric_advmss(dst)); in tcp_make_synack()
3611 tcp_add_tx_delay(skb, tp); in tcp_make_synack()
3640 struct tcp_sock *tp = tcp_sk(sk); in tcp_connect_init() local
3647 tp->tcp_header_len = sizeof(struct tcphdr); in tcp_connect_init()
3649 tp->tcp_header_len += TCPOLEN_TSTAMP_ALIGNED; in tcp_connect_init()
3652 if (tp->af_specific->md5_lookup(sk, sk)) in tcp_connect_init()
3653 tp->tcp_header_len += TCPOLEN_MD5SIG_ALIGNED; in tcp_connect_init()
3657 if (tp->rx_opt.user_mss) in tcp_connect_init()
3658 tp->rx_opt.mss_clamp = tp->rx_opt.user_mss; in tcp_connect_init()
3659 tp->max_window = 0; in tcp_connect_init()
3665 if (!tp->window_clamp) in tcp_connect_init()
3666 tp->window_clamp = dst_metric(dst, RTAX_WINDOW); in tcp_connect_init()
3667 tp->advmss = tcp_mss_clamp(tp, dst_metric_advmss(dst)); in tcp_connect_init()
3673 (tp->window_clamp > tcp_full_space(sk) || tp->window_clamp == 0)) in tcp_connect_init()
3674 tp->window_clamp = tcp_full_space(sk); in tcp_connect_init()
3681 tp->advmss - (tp->rx_opt.ts_recent_stamp ? tp->tcp_header_len - sizeof(struct tcphdr) : 0), in tcp_connect_init()
3682 &tp->rcv_wnd, in tcp_connect_init()
3683 &tp->window_clamp, in tcp_connect_init()
3688 tp->rx_opt.rcv_wscale = rcv_wscale; in tcp_connect_init()
3689 tp->rcv_ssthresh = tp->rcv_wnd; in tcp_connect_init()
3693 tp->snd_wnd = 0; in tcp_connect_init()
3694 tcp_init_wl(tp, 0); in tcp_connect_init()
3696 tp->snd_una = tp->write_seq; in tcp_connect_init()
3697 tp->snd_sml = tp->write_seq; in tcp_connect_init()
3698 tp->snd_up = tp->write_seq; in tcp_connect_init()
3699 WRITE_ONCE(tp->snd_nxt, tp->write_seq); in tcp_connect_init()
3701 if (likely(!tp->repair)) in tcp_connect_init()
3702 tp->rcv_nxt = 0; in tcp_connect_init()
3704 tp->rcv_tstamp = tcp_jiffies32; in tcp_connect_init()
3705 tp->rcv_wup = tp->rcv_nxt; in tcp_connect_init()
3706 WRITE_ONCE(tp->copied_seq, tp->rcv_nxt); in tcp_connect_init()
3710 tcp_clear_retrans(tp); in tcp_connect_init()
3715 struct tcp_sock *tp = tcp_sk(sk); in tcp_connect_queue_skb() local
3722 WRITE_ONCE(tp->write_seq, tcb->end_seq); in tcp_connect_queue_skb()
3723 tp->packets_out += tcp_skb_pcount(skb); in tcp_connect_queue_skb()
3735 struct tcp_sock *tp = tcp_sk(sk); in tcp_send_syn_data() local
3736 struct tcp_fastopen_request *fo = tp->fastopen_req; in tcp_send_syn_data()
3740 tp->rx_opt.mss_clamp = tp->advmss; /* If MSS is not cached */ in tcp_send_syn_data()
3741 if (!tcp_fastopen_cookie_check(sk, &tp->rx_opt.mss_clamp, &fo->cookie)) in tcp_send_syn_data()
3748 tp->rx_opt.mss_clamp = tcp_mss_clamp(tp, tp->rx_opt.mss_clamp); in tcp_send_syn_data()
3798 tp->syn_data = (fo->copied > 0); in tcp_send_syn_data()
3806 tp->packets_out -= tcp_skb_pcount(syn_data); in tcp_send_syn_data()
3814 tp->syn_fastopen = 0; in tcp_send_syn_data()
3823 struct tcp_sock *tp = tcp_sk(sk); in tcp_connect() local
3834 if (unlikely(tp->repair)) { in tcp_connect()
3843 tcp_init_nondata_skb(buff, tp->write_seq++, TCPHDR_SYN); in tcp_connect()
3844 tcp_mstamp_refresh(tp); in tcp_connect()
3845 tp->retrans_stamp = tcp_time_stamp(tp); in tcp_connect()
3851 err = tp->fastopen_req ? tcp_send_syn_data(sk, buff) : in tcp_connect()
3859 WRITE_ONCE(tp->snd_nxt, tp->write_seq); in tcp_connect()
3860 tp->pushed_seq = tp->write_seq; in tcp_connect()
3863 WRITE_ONCE(tp->snd_nxt, TCP_SKB_CB(buff)->seq); in tcp_connect()
3864 tp->pushed_seq = TCP_SKB_CB(buff)->seq; in tcp_connect()
3886 const struct tcp_sock *tp = tcp_sk(sk); in tcp_send_delayed_ack() local
3899 if (tp->srtt_us) { in tcp_send_delayed_ack()
3900 int rtt = max_t(int, usecs_to_jiffies(tp->srtt_us >> 3), in tcp_send_delayed_ack()
3992 struct tcp_sock *tp = tcp_sk(sk); in tcp_xmit_probe_skb() local
4007 tcp_init_nondata_skb(skb, tp->snd_una - !urgent, TCPHDR_ACK); in tcp_xmit_probe_skb()
4025 struct tcp_sock *tp = tcp_sk(sk); in tcp_write_wakeup() local
4032 if (skb && before(TCP_SKB_CB(skb)->seq, tcp_wnd_end(tp))) { in tcp_write_wakeup()
4035 unsigned int seg_size = tcp_wnd_end(tp) - TCP_SKB_CB(skb)->seq; in tcp_write_wakeup()
4037 if (before(tp->pushed_seq, TCP_SKB_CB(skb)->end_seq)) in tcp_write_wakeup()
4038 tp->pushed_seq = TCP_SKB_CB(skb)->end_seq; in tcp_write_wakeup()
4060 if (between(tp->snd_up, tp->snd_una + 1, tp->snd_una + 0xFFFF)) in tcp_write_wakeup()
4072 struct tcp_sock *tp = tcp_sk(sk); in tcp_send_probe0() local
4079 if (tp->packets_out || tcp_write_queue_empty(sk)) { in tcp_send_probe0()