Lines Matching refs:tp
55 struct tcp_sock *tp = tcp_sk(sk); in tcp_event_new_data_sent() local
56 unsigned int prior_packets = tp->packets_out; in tcp_event_new_data_sent()
58 tp->snd_nxt = TCP_SKB_CB(skb)->end_seq; in tcp_event_new_data_sent()
63 tp->packets_out += tcp_skb_pcount(skb); in tcp_event_new_data_sent()
80 const struct tcp_sock *tp = tcp_sk(sk); in tcp_acceptable_seq() local
82 if (!before(tcp_wnd_end(tp), tp->snd_nxt) || in tcp_acceptable_seq()
83 (tp->rx_opt.wscale_ok && in tcp_acceptable_seq()
84 ((tp->snd_nxt - tcp_wnd_end(tp)) < (1 << tp->rx_opt.rcv_wscale)))) in tcp_acceptable_seq()
85 return tp->snd_nxt; in tcp_acceptable_seq()
87 return tcp_wnd_end(tp); in tcp_acceptable_seq()
106 struct tcp_sock *tp = tcp_sk(sk); in tcp_advertise_mss() local
108 int mss = tp->advmss; in tcp_advertise_mss()
115 tp->advmss = mss; in tcp_advertise_mss()
127 struct tcp_sock *tp = tcp_sk(sk); in tcp_cwnd_restart() local
128 u32 restart_cwnd = tcp_init_cwnd(tp, __sk_dst_get(sk)); in tcp_cwnd_restart()
129 u32 cwnd = tp->snd_cwnd; in tcp_cwnd_restart()
133 tp->snd_ssthresh = tcp_current_ssthresh(sk); in tcp_cwnd_restart()
138 tp->snd_cwnd = max(cwnd, restart_cwnd); in tcp_cwnd_restart()
139 tp->snd_cwnd_stamp = tcp_jiffies32; in tcp_cwnd_restart()
140 tp->snd_cwnd_used = 0; in tcp_cwnd_restart()
144 static void tcp_event_data_sent(struct tcp_sock *tp, in tcp_event_data_sent() argument
150 if (tcp_packets_in_flight(tp) == 0) in tcp_event_data_sent()
153 tp->lsndtime = now; in tcp_event_data_sent()
166 struct tcp_sock *tp = tcp_sk(sk); in tcp_event_ack_sent() local
168 if (unlikely(tp->compressed_ack)) { in tcp_event_ack_sent()
170 tp->compressed_ack); in tcp_event_ack_sent()
171 tp->compressed_ack = 0; in tcp_event_ack_sent()
172 if (hrtimer_try_to_cancel(&tp->compressed_ack_timer) == 1) in tcp_event_ack_sent()
176 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()
458 static void tcp_options_write(__be32 *ptr, struct tcp_sock *tp, in tcp_options_write() argument
509 struct tcp_sack_block *sp = tp->rx_opt.dsack ? in tcp_options_write()
510 tp->duplicate_sack : tp->selective_acks; in tcp_options_write()
525 tp->rx_opt.dsack = 0; in tcp_options_write()
555 static void smc_set_option(const struct tcp_sock *tp, in smc_set_option() argument
561 if (tp->syn_smc) { in smc_set_option()
571 static void smc_set_option_cond(const struct tcp_sock *tp, in smc_set_option_cond() argument
578 if (tp->syn_smc && ireq->smc_ok) { in smc_set_option_cond()
595 struct tcp_sock *tp = tcp_sk(sk); in tcp_syn_options() local
597 struct tcp_fastopen_request *fastopen = tp->fastopen_req; in tcp_syn_options()
601 if (unlikely(rcu_access_pointer(tp->md5sig_info))) { in tcp_syn_options()
602 *md5 = tp->af_specific->md5_lookup(sk, sk); in tcp_syn_options()
624 opts->tsval = tcp_skb_timestamp(skb) + tp->tsoffset; in tcp_syn_options()
625 opts->tsecr = tp->rx_opt.ts_recent; in tcp_syn_options()
629 opts->ws = tp->rx_opt.rcv_wscale; in tcp_syn_options()
649 tp->syn_fastopen = 1; in tcp_syn_options()
650 tp->syn_fastopen_exp = fastopen->cookie.exp ? 1 : 0; in tcp_syn_options()
654 smc_set_option(tp, opts, &remaining); in tcp_syn_options()
729 struct tcp_sock *tp = tcp_sk(sk); in tcp_established_options() local
737 if (unlikely(rcu_access_pointer(tp->md5sig_info))) { in tcp_established_options()
738 *md5 = tp->af_specific->md5_lookup(sk, sk); in tcp_established_options()
746 if (likely(tp->rx_opt.tstamp_ok)) { in tcp_established_options()
748 opts->tsval = skb ? tcp_skb_timestamp(skb) + tp->tsoffset : 0; in tcp_established_options()
749 opts->tsecr = tp->rx_opt.ts_recent; in tcp_established_options()
753 eff_sacks = tp->rx_opt.num_sacks + tp->rx_opt.dsack; in tcp_established_options()
793 struct tcp_sock *tp = tcp_sk(sk); in tcp_tsq_write() local
795 if (tp->lost_out > tp->retrans_out && in tcp_tsq_write()
796 tp->snd_cwnd > tcp_packets_in_flight(tp)) { in tcp_tsq_write()
797 tcp_mstamp_refresh(tp); in tcp_tsq_write()
801 tcp_write_xmit(sk, tcp_current_mss(sk), tp->nonagle, in tcp_tsq_write()
827 struct tcp_sock *tp; in tcp_tasklet_func() local
835 tp = list_entry(q, struct tcp_sock, tsq_node); in tcp_tasklet_func()
836 list_del(&tp->tsq_node); in tcp_tasklet_func()
838 sk = (struct sock *)tp; in tcp_tasklet_func()
922 struct tcp_sock *tp = tcp_sk(sk); in tcp_wfree() local
956 list_add(&tp->tsq_node, &tsq->head); in tcp_wfree()
971 struct tcp_sock *tp = container_of(timer, struct tcp_sock, pacing_timer); in tcp_pace_kick() local
972 struct sock *sk = (struct sock *)tp; in tcp_pace_kick()
999 static void tcp_update_skb_after_send(struct tcp_sock *tp, struct sk_buff *skb) in tcp_update_skb_after_send() argument
1001 skb->skb_mstamp = tp->tcp_mstamp; in tcp_update_skb_after_send()
1002 list_move_tail(&skb->tcp_tsorted_anchor, &tp->tsorted_sent_queue); in tcp_update_skb_after_send()
1021 struct tcp_sock *tp; in __tcp_transmit_skb() local
1031 tp = tcp_sk(sk); in __tcp_transmit_skb()
1035 - tp->snd_una; in __tcp_transmit_skb()
1048 skb->skb_mstamp = tp->tcp_mstamp; in __tcp_transmit_skb()
1101 if (unlikely(tcp_urg_mode(tp) && before(tcb->seq, tp->snd_up))) { in __tcp_transmit_skb()
1102 if (before(tp->snd_up, tcb->seq + 0x10000)) { in __tcp_transmit_skb()
1103 th->urg_ptr = htons(tp->snd_up - tcb->seq); in __tcp_transmit_skb()
1105 } else if (after(tcb->seq + 0xFFFF, tp->snd_nxt)) { in __tcp_transmit_skb()
1111 tcp_options_write((__be32 *)(th + 1), tp, &opts); in __tcp_transmit_skb()
1120 th->window = htons(min(tp->rcv_wnd, 65535U)); in __tcp_transmit_skb()
1126 tp->af_specific->calc_md5_hash(opts.hash_location, in __tcp_transmit_skb()
1137 tcp_event_data_sent(tp, sk); in __tcp_transmit_skb()
1138 tp->data_segs_out += tcp_skb_pcount(skb); in __tcp_transmit_skb()
1139 tp->bytes_sent += skb->len - tcp_header_size; in __tcp_transmit_skb()
1143 if (after(tcb->end_seq, tp->snd_nxt) || tcb->seq == tcb->end_seq) in __tcp_transmit_skb()
1147 tp->segs_out += tcp_skb_pcount(skb); in __tcp_transmit_skb()
1166 tcp_update_skb_after_send(tp, oskb); in __tcp_transmit_skb()
1186 struct tcp_sock *tp = tcp_sk(sk); in tcp_queue_skb() local
1189 tp->write_seq = TCP_SKB_CB(skb)->end_seq; in tcp_queue_skb()
1216 struct tcp_sock *tp = tcp_sk(sk); in tcp_adjust_pcount() local
1218 tp->packets_out -= decr; in tcp_adjust_pcount()
1221 tp->sacked_out -= decr; in tcp_adjust_pcount()
1223 tp->retrans_out -= decr; in tcp_adjust_pcount()
1225 tp->lost_out -= decr; in tcp_adjust_pcount()
1228 if (tcp_is_reno(tp) && decr > 0) in tcp_adjust_pcount()
1229 tp->sacked_out -= min_t(u32, tp->sacked_out, decr); in tcp_adjust_pcount()
1231 if (tp->lost_skb_hint && in tcp_adjust_pcount()
1232 before(TCP_SKB_CB(skb)->seq, TCP_SKB_CB(tp->lost_skb_hint)->seq) && in tcp_adjust_pcount()
1234 tp->lost_cnt_hint -= decr; in tcp_adjust_pcount()
1236 tcp_verify_left_out(tp); in tcp_adjust_pcount()
1289 struct tcp_sock *tp = tcp_sk(sk); in tcp_fragment() local
1347 if (!before(tp->snd_nxt, TCP_SKB_CB(buff)->end_seq)) { in tcp_fragment()
1435 const struct tcp_sock *tp = tcp_sk(sk); in __tcp_mtu_to_mss() local
1453 if (mss_now > tp->rx_opt.mss_clamp) in __tcp_mtu_to_mss()
1454 mss_now = tp->rx_opt.mss_clamp; in __tcp_mtu_to_mss()
1476 const struct tcp_sock *tp = tcp_sk(sk); in tcp_mss_to_mtu() local
1481 tp->tcp_header_len + in tcp_mss_to_mtu()
1499 struct tcp_sock *tp = tcp_sk(sk); in tcp_mtup_init() local
1504 icsk->icsk_mtup.search_high = tp->rx_opt.mss_clamp + sizeof(struct tcphdr) + in tcp_mtup_init()
1537 struct tcp_sock *tp = tcp_sk(sk); in tcp_sync_mss() local
1545 mss_now = tcp_bound_to_half_wnd(tp, mss_now); in tcp_sync_mss()
1551 tp->mss_cache = mss_now; in tcp_sync_mss()
1562 const struct tcp_sock *tp = tcp_sk(sk); in tcp_current_mss() local
1569 mss_now = tp->mss_cache; in tcp_current_mss()
1583 if (header_len != tp->tcp_header_len) { in tcp_current_mss()
1584 int delta = (int) header_len - tp->tcp_header_len; in tcp_current_mss()
1597 struct tcp_sock *tp = tcp_sk(sk); in tcp_cwnd_application_limited() local
1602 u32 init_win = tcp_init_cwnd(tp, __sk_dst_get(sk)); in tcp_cwnd_application_limited()
1603 u32 win_used = max(tp->snd_cwnd_used, init_win); in tcp_cwnd_application_limited()
1604 if (win_used < tp->snd_cwnd) { in tcp_cwnd_application_limited()
1605 tp->snd_ssthresh = tcp_current_ssthresh(sk); in tcp_cwnd_application_limited()
1606 tp->snd_cwnd = (tp->snd_cwnd + win_used) >> 1; in tcp_cwnd_application_limited()
1608 tp->snd_cwnd_used = 0; in tcp_cwnd_application_limited()
1610 tp->snd_cwnd_stamp = tcp_jiffies32; in tcp_cwnd_application_limited()
1616 struct tcp_sock *tp = tcp_sk(sk); in tcp_cwnd_validate() local
1621 if (!before(tp->snd_una, tp->max_packets_seq) || in tcp_cwnd_validate()
1622 tp->packets_out > tp->max_packets_out) { in tcp_cwnd_validate()
1623 tp->max_packets_out = tp->packets_out; in tcp_cwnd_validate()
1624 tp->max_packets_seq = tp->snd_nxt; in tcp_cwnd_validate()
1625 tp->is_cwnd_limited = is_cwnd_limited; in tcp_cwnd_validate()
1630 tp->snd_cwnd_used = 0; in tcp_cwnd_validate()
1631 tp->snd_cwnd_stamp = tcp_jiffies32; in tcp_cwnd_validate()
1634 if (tp->packets_out > tp->snd_cwnd_used) in tcp_cwnd_validate()
1635 tp->snd_cwnd_used = tp->packets_out; in tcp_cwnd_validate()
1638 (s32)(tcp_jiffies32 - tp->snd_cwnd_stamp) >= inet_csk(sk)->icsk_rto && in tcp_cwnd_validate()
1657 static bool tcp_minshall_check(const struct tcp_sock *tp) in tcp_minshall_check() argument
1659 return after(tp->snd_sml, tp->snd_una) && in tcp_minshall_check()
1660 !after(tp->snd_sml, tp->snd_nxt); in tcp_minshall_check()
1671 static void tcp_minshall_update(struct tcp_sock *tp, unsigned int mss_now, in tcp_minshall_update() argument
1675 tp->snd_sml = TCP_SKB_CB(skb)->end_seq; in tcp_minshall_update()
1685 static bool tcp_nagle_check(bool partial, const struct tcp_sock *tp, in tcp_nagle_check() argument
1690 (!nonagle && tp->packets_out && tcp_minshall_check(tp))); in tcp_nagle_check()
1737 const struct tcp_sock *tp = tcp_sk(sk); in tcp_mss_split_point() local
1740 window = tcp_wnd_end(tp) - TCP_SKB_CB(skb)->seq; in tcp_mss_split_point()
1756 if (tcp_nagle_check(partial != 0, tp, nonagle)) in tcp_mss_split_point()
1765 static inline unsigned int tcp_cwnd_test(const struct tcp_sock *tp, in tcp_cwnd_test() argument
1775 in_flight = tcp_packets_in_flight(tp); in tcp_cwnd_test()
1776 cwnd = tp->snd_cwnd; in tcp_cwnd_test()
1806 static inline bool tcp_nagle_test(const struct tcp_sock *tp, const struct sk_buff *skb, in tcp_nagle_test() argument
1819 if (tcp_urg_mode(tp) || (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)) in tcp_nagle_test()
1822 if (!tcp_nagle_check(skb->len < cur_mss, tp, nonagle)) in tcp_nagle_test()
1829 static bool tcp_snd_wnd_test(const struct tcp_sock *tp, in tcp_snd_wnd_test() argument
1838 return !after(end_seq, tcp_wnd_end(tp)); in tcp_snd_wnd_test()
1909 struct tcp_sock *tp = tcp_sk(sk); in tcp_tso_should_defer() local
1922 if ((s32)(tcp_jiffies32 - tp->lsndtime) > 0) in tcp_tso_should_defer()
1925 in_flight = tcp_packets_in_flight(tp); in tcp_tso_should_defer()
1928 BUG_ON(tp->snd_cwnd <= in_flight); in tcp_tso_should_defer()
1930 send_win = tcp_wnd_end(tp) - TCP_SKB_CB(skb)->seq; in tcp_tso_should_defer()
1933 cong_win = (tp->snd_cwnd - in_flight) * tp->mss_cache; in tcp_tso_should_defer()
1938 if (limit >= max_segs * tp->mss_cache) in tcp_tso_should_defer()
1947 u32 chunk = min(tp->snd_wnd, tp->snd_cwnd * tp->mss_cache); in tcp_tso_should_defer()
1961 if (limit > tcp_max_tso_deferred_mss(tp) * tp->mss_cache) in tcp_tso_should_defer()
1969 age = tcp_stamp_us_delta(tp->tcp_mstamp, head->skb_mstamp); in tcp_tso_should_defer()
1971 if (age < (tp->srtt_us >> 4)) in tcp_tso_should_defer()
1988 struct tcp_sock *tp = tcp_sk(sk); in tcp_mtu_check_reprobe() local
2000 icsk->icsk_mtup.search_high = tp->rx_opt.mss_clamp + in tcp_mtu_check_reprobe()
2040 struct tcp_sock *tp = tcp_sk(sk); in tcp_mtu_probe() local
2057 tp->snd_cwnd < 11 || in tcp_mtu_probe()
2058 tp->rx_opt.num_sacks || tp->rx_opt.dsack)) in tcp_mtu_probe()
2068 size_needed = probe_size + (tp->reordering + 1) * tp->mss_cache; in tcp_mtu_probe()
2084 if (tp->write_seq - tp->snd_nxt < size_needed) in tcp_mtu_probe()
2087 if (tp->snd_wnd < size_needed) in tcp_mtu_probe()
2089 if (after(tp->snd_nxt + size_needed, tcp_wnd_end(tp))) in tcp_mtu_probe()
2093 if (tcp_packets_in_flight(tp) + 2 > tp->snd_cwnd) { in tcp_mtu_probe()
2094 if (!tcp_packets_in_flight(tp)) in tcp_mtu_probe()
2162 tp->snd_cwnd--; in tcp_mtu_probe()
2166 tp->mtu_probe.probe_seq_start = TCP_SKB_CB(nskb)->seq; in tcp_mtu_probe()
2167 tp->mtu_probe.probe_seq_end = TCP_SKB_CB(nskb)->end_seq; in tcp_mtu_probe()
2223 static void tcp_chrono_set(struct tcp_sock *tp, const enum tcp_chrono new) in tcp_chrono_set() argument
2226 enum tcp_chrono old = tp->chrono_type; in tcp_chrono_set()
2229 tp->chrono_stat[old - 1] += now - tp->chrono_start; in tcp_chrono_set()
2230 tp->chrono_start = now; in tcp_chrono_set()
2231 tp->chrono_type = new; in tcp_chrono_set()
2236 struct tcp_sock *tp = tcp_sk(sk); in tcp_chrono_start() local
2243 if (type > tp->chrono_type) in tcp_chrono_start()
2244 tcp_chrono_set(tp, type); in tcp_chrono_start()
2249 struct tcp_sock *tp = tcp_sk(sk); in tcp_chrono_stop() local
2260 tcp_chrono_set(tp, TCP_CHRONO_UNSPEC); in tcp_chrono_stop()
2261 else if (type == tp->chrono_type) in tcp_chrono_stop()
2262 tcp_chrono_set(tp, TCP_CHRONO_BUSY); in tcp_chrono_stop()
2282 struct tcp_sock *tp = tcp_sk(sk); in tcp_write_xmit() local
2292 tcp_mstamp_refresh(tp); in tcp_write_xmit()
2313 if (unlikely(tp->repair) && tp->repair_queue == TCP_SEND_QUEUE) { in tcp_write_xmit()
2315 tcp_update_skb_after_send(tp, skb); in tcp_write_xmit()
2319 cwnd_quota = tcp_cwnd_test(tp, skb); in tcp_write_xmit()
2328 if (unlikely(!tcp_snd_wnd_test(tp, skb, mss_now))) { in tcp_write_xmit()
2334 if (unlikely(!tcp_nagle_test(tp, skb, mss_now, in tcp_write_xmit()
2346 if (tso_segs > 1 && !tcp_urg_mode(tp)) in tcp_write_xmit()
2370 tcp_minshall_update(tp, mss_now, skb); in tcp_write_xmit()
2384 tp->prr_out += sent_pkts; in tcp_write_xmit()
2389 is_cwnd_limited |= (tcp_packets_in_flight(tp) >= tp->snd_cwnd); in tcp_write_xmit()
2393 return !tp->packets_out && !tcp_write_queue_empty(sk); in tcp_write_xmit()
2399 struct tcp_sock *tp = tcp_sk(sk); in tcp_schedule_loss_probe() local
2406 if (tp->fastopen_rsk) in tcp_schedule_loss_probe()
2414 !tp->packets_out || !tcp_is_sack(tp) || in tcp_schedule_loss_probe()
2423 if (tp->srtt_us) { in tcp_schedule_loss_probe()
2424 timeout = usecs_to_jiffies(tp->srtt_us >> 2); in tcp_schedule_loss_probe()
2425 if (tp->packets_out == 1) in tcp_schedule_loss_probe()
2465 struct tcp_sock *tp = tcp_sk(sk); in tcp_send_loss_probe() local
2471 if (skb && tcp_snd_wnd_test(tp, skb, mss)) { in tcp_send_loss_probe()
2472 pcount = tp->packets_out; in tcp_send_loss_probe()
2474 if (tp->packets_out > pcount) in tcp_send_loss_probe()
2481 if (tp->tlp_high_seq) in tcp_send_loss_probe()
2510 tp->tlp_high_seq = tp->snd_nxt; in tcp_send_loss_probe()
2606 struct tcp_sock *tp = tcp_sk(sk); in __tcp_select_window() local
2616 int full_space = min_t(int, tp->window_clamp, allowed_space); in __tcp_select_window()
2628 tp->rcv_ssthresh = min(tp->rcv_ssthresh, in __tcp_select_window()
2629 4U * tp->advmss); in __tcp_select_window()
2634 free_space = round_down(free_space, 1 << tp->rx_opt.rcv_wscale); in __tcp_select_window()
2647 if (free_space > tp->rcv_ssthresh) in __tcp_select_window()
2648 free_space = tp->rcv_ssthresh; in __tcp_select_window()
2653 if (tp->rx_opt.rcv_wscale) { in __tcp_select_window()
2660 window = ALIGN(window, (1 << tp->rx_opt.rcv_wscale)); in __tcp_select_window()
2662 window = tp->rcv_wnd; in __tcp_select_window()
2699 struct tcp_sock *tp = tcp_sk(sk); in tcp_collapse_retrans() local
2729 tcp_clear_retrans_hints_partial(tp); in tcp_collapse_retrans()
2730 if (next_skb == tp->retransmit_skb_hint) in tcp_collapse_retrans()
2731 tp->retransmit_skb_hint = skb; in tcp_collapse_retrans()
2761 struct tcp_sock *tp = tcp_sk(sk); in tcp_retrans_try_collapse() local
2787 if (after(TCP_SKB_CB(skb)->end_seq, tcp_wnd_end(tp))) in tcp_retrans_try_collapse()
2802 struct tcp_sock *tp = tcp_sk(sk); in __tcp_retransmit_skb() local
2822 if (before(TCP_SKB_CB(skb)->seq, tp->snd_una)) { in __tcp_retransmit_skb()
2823 if (unlikely(before(TCP_SKB_CB(skb)->end_seq, tp->snd_una))) { in __tcp_retransmit_skb()
2827 if (tcp_trim_head(sk, skb, tp->snd_una - TCP_SKB_CB(skb)->seq)) in __tcp_retransmit_skb()
2841 if (!before(TCP_SKB_CB(skb)->seq, tcp_wnd_end(tp)) && in __tcp_retransmit_skb()
2842 TCP_SKB_CB(skb)->seq != tp->snd_una) in __tcp_retransmit_skb()
2872 tp->total_retrans += segs; in __tcp_retransmit_skb()
2873 tp->bytes_retrans += skb->len; in __tcp_retransmit_skb()
2890 tcp_update_skb_after_send(tp, skb); in __tcp_retransmit_skb()
2897 if (BPF_SOCK_OPS_TEST_FLAG(tp, BPF_SOCK_OPS_RETRANS_CB_FLAG)) in __tcp_retransmit_skb()
2912 struct tcp_sock *tp = tcp_sk(sk); in tcp_retransmit_skb() local
2922 tp->retrans_out += tcp_skb_pcount(skb); in tcp_retransmit_skb()
2925 if (!tp->retrans_stamp) in tcp_retransmit_skb()
2926 tp->retrans_stamp = tcp_skb_timestamp(skb); in tcp_retransmit_skb()
2930 if (tp->undo_retrans < 0) in tcp_retransmit_skb()
2931 tp->undo_retrans = 0; in tcp_retransmit_skb()
2932 tp->undo_retrans += tcp_skb_pcount(skb); in tcp_retransmit_skb()
2945 struct tcp_sock *tp = tcp_sk(sk); in tcp_xmit_retransmit_queue() local
2949 if (!tp->packets_out) in tcp_xmit_retransmit_queue()
2953 skb = tp->retransmit_skb_hint ?: rtx_head; in tcp_xmit_retransmit_queue()
2964 tp->retransmit_skb_hint = skb; in tcp_xmit_retransmit_queue()
2966 segs = tp->snd_cwnd - tcp_packets_in_flight(tp); in tcp_xmit_retransmit_queue()
2975 if (tp->retrans_out >= tp->lost_out) { in tcp_xmit_retransmit_queue()
3001 tp->prr_out += tcp_skb_pcount(skb); in tcp_xmit_retransmit_queue()
3038 struct tcp_sock *tp = tcp_sk(sk); in tcp_send_fin() local
3052 tp->write_seq++; in tcp_send_fin()
3060 tp->snd_nxt++; in tcp_send_fin()
3074 tcp_init_nondata_skb(skb, tp->write_seq, in tcp_send_fin()
3168 const struct tcp_sock *tp = tcp_sk(sk); in tcp_make_synack() local
3203 mss = tcp_mss_clamp(tp, dst_metric_advmss(dst)); in tcp_make_synack()
3280 struct tcp_sock *tp = tcp_sk(sk); in tcp_connect_init() local
3287 tp->tcp_header_len = sizeof(struct tcphdr); in tcp_connect_init()
3289 tp->tcp_header_len += TCPOLEN_TSTAMP_ALIGNED; in tcp_connect_init()
3292 if (tp->af_specific->md5_lookup(sk, sk)) in tcp_connect_init()
3293 tp->tcp_header_len += TCPOLEN_MD5SIG_ALIGNED; in tcp_connect_init()
3297 if (tp->rx_opt.user_mss) in tcp_connect_init()
3298 tp->rx_opt.mss_clamp = tp->rx_opt.user_mss; in tcp_connect_init()
3299 tp->max_window = 0; in tcp_connect_init()
3305 if (!tp->window_clamp) in tcp_connect_init()
3306 tp->window_clamp = dst_metric(dst, RTAX_WINDOW); in tcp_connect_init()
3307 tp->advmss = tcp_mss_clamp(tp, dst_metric_advmss(dst)); in tcp_connect_init()
3313 (tp->window_clamp > tcp_full_space(sk) || tp->window_clamp == 0)) in tcp_connect_init()
3314 tp->window_clamp = tcp_full_space(sk); in tcp_connect_init()
3321 tp->advmss - (tp->rx_opt.ts_recent_stamp ? tp->tcp_header_len - sizeof(struct tcphdr) : 0), in tcp_connect_init()
3322 &tp->rcv_wnd, in tcp_connect_init()
3323 &tp->window_clamp, in tcp_connect_init()
3328 tp->rx_opt.rcv_wscale = rcv_wscale; in tcp_connect_init()
3329 tp->rcv_ssthresh = tp->rcv_wnd; in tcp_connect_init()
3333 tp->snd_wnd = 0; in tcp_connect_init()
3334 tcp_init_wl(tp, 0); in tcp_connect_init()
3336 tp->snd_una = tp->write_seq; in tcp_connect_init()
3337 tp->snd_sml = tp->write_seq; in tcp_connect_init()
3338 tp->snd_up = tp->write_seq; in tcp_connect_init()
3339 tp->snd_nxt = tp->write_seq; in tcp_connect_init()
3341 if (likely(!tp->repair)) in tcp_connect_init()
3342 tp->rcv_nxt = 0; in tcp_connect_init()
3344 tp->rcv_tstamp = tcp_jiffies32; in tcp_connect_init()
3345 tp->rcv_wup = tp->rcv_nxt; in tcp_connect_init()
3346 tp->copied_seq = tp->rcv_nxt; in tcp_connect_init()
3350 tcp_clear_retrans(tp); in tcp_connect_init()
3355 struct tcp_sock *tp = tcp_sk(sk); in tcp_connect_queue_skb() local
3362 tp->write_seq = tcb->end_seq; in tcp_connect_queue_skb()
3363 tp->packets_out += tcp_skb_pcount(skb); in tcp_connect_queue_skb()
3375 struct tcp_sock *tp = tcp_sk(sk); in tcp_send_syn_data() local
3376 struct tcp_fastopen_request *fo = tp->fastopen_req; in tcp_send_syn_data()
3380 tp->rx_opt.mss_clamp = tp->advmss; /* If MSS is not cached */ in tcp_send_syn_data()
3381 if (!tcp_fastopen_cookie_check(sk, &tp->rx_opt.mss_clamp, &fo->cookie)) in tcp_send_syn_data()
3388 tp->rx_opt.mss_clamp = tcp_mss_clamp(tp, tp->rx_opt.mss_clamp); in tcp_send_syn_data()
3437 tp->syn_data = (fo->copied > 0); in tcp_send_syn_data()
3445 tp->packets_out -= tcp_skb_pcount(syn_data); in tcp_send_syn_data()
3453 tp->syn_fastopen = 0; in tcp_send_syn_data()
3462 struct tcp_sock *tp = tcp_sk(sk); in tcp_connect() local
3473 if (unlikely(tp->repair)) { in tcp_connect()
3482 tcp_init_nondata_skb(buff, tp->write_seq++, TCPHDR_SYN); in tcp_connect()
3483 tcp_mstamp_refresh(tp); in tcp_connect()
3484 tp->retrans_stamp = tcp_time_stamp(tp); in tcp_connect()
3490 err = tp->fastopen_req ? tcp_send_syn_data(sk, buff) : in tcp_connect()
3498 tp->snd_nxt = tp->write_seq; in tcp_connect()
3499 tp->pushed_seq = tp->write_seq; in tcp_connect()
3502 tp->snd_nxt = TCP_SKB_CB(buff)->seq; in tcp_connect()
3503 tp->pushed_seq = TCP_SKB_CB(buff)->seq; in tcp_connect()
3525 const struct tcp_sock *tp = tcp_sk(sk); in tcp_send_delayed_ack() local
3538 if (tp->srtt_us) { in tcp_send_delayed_ack()
3539 int rtt = max_t(int, usecs_to_jiffies(tp->srtt_us >> 3), in tcp_send_delayed_ack()
3627 struct tcp_sock *tp = tcp_sk(sk); in tcp_xmit_probe_skb() local
3642 tcp_init_nondata_skb(skb, tp->snd_una - !urgent, TCPHDR_ACK); in tcp_xmit_probe_skb()
3660 struct tcp_sock *tp = tcp_sk(sk); in tcp_write_wakeup() local
3667 if (skb && before(TCP_SKB_CB(skb)->seq, tcp_wnd_end(tp))) { in tcp_write_wakeup()
3670 unsigned int seg_size = tcp_wnd_end(tp) - TCP_SKB_CB(skb)->seq; in tcp_write_wakeup()
3672 if (before(tp->pushed_seq, TCP_SKB_CB(skb)->end_seq)) in tcp_write_wakeup()
3673 tp->pushed_seq = TCP_SKB_CB(skb)->end_seq; in tcp_write_wakeup()
3695 if (between(tp->snd_up, tp->snd_una + 1, tp->snd_una + 0xFFFF)) in tcp_write_wakeup()
3707 struct tcp_sock *tp = tcp_sk(sk); in tcp_send_probe0() local
3714 if (tp->packets_out || tcp_write_queue_empty(sk)) { in tcp_send_probe0()