diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 27e2f68370623..541bdb9f81d79 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2572,14 +2572,16 @@ int tcp_disconnect(struct sock *sk, int flags) sk->sk_shutdown = 0; sock_reset_flag(sk, SOCK_DONE); tp->srtt_us = 0; + tp->mdev_us = jiffies_to_usecs(TCP_TIMEOUT_INIT); tp->rcv_rtt_last_tsecr = 0; tp->write_seq += tp->max_window + 2; if (tp->write_seq == 0) tp->write_seq = 1; icsk->icsk_backoff = 0; - tp->snd_cwnd = 2; icsk->icsk_probes_out = 0; + icsk->icsk_rto = TCP_TIMEOUT_INIT; tp->snd_ssthresh = TCP_INFINITE_SSTHRESH; + tp->snd_cwnd = TCP_INIT_CWND; tp->snd_cwnd_cnt = 0; tp->window_clamp = 0; tp->delivered_ce = 0; @@ -2603,6 +2605,23 @@ int tcp_disconnect(struct sock *sk, int flags) tp->duplicate_sack[0].end_seq = 0; tp->dsack_dups = 0; tp->reord_seen = 0; + tp->retrans_out = 0; + tp->sacked_out = 0; + tp->tlp_high_seq = 0; + tp->last_oow_ack_time = 0; + /* There's a bubble in the pipe until at least the first ACK. */ + tp->app_limited = ~0U; + tp->rack.mstamp = 0; + tp->rack.advanced = 0; + tp->rack.reo_wnd_steps = 1; + tp->rack.last_delivered = 0; + tp->rack.reo_wnd_persist = 0; + tp->rack.dsack_seen = 0; + tp->syn_data_acked = 0; + tp->rx_opt.saw_tstamp = 0; + tp->rx_opt.dsack = 0; + tp->rx_opt.num_sacks = 0; + /* Clean up fastopen related fields */ tcp_free_fastopen_req(tp); diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 12affb7864d98..182595e2d40ff 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -479,43 +479,16 @@ struct sock *tcp_create_openreq_child(const struct sock *sk, tcp_init_wl(newtp, treq->rcv_isn); - newtp->srtt_us = 0; - newtp->mdev_us = jiffies_to_usecs(TCP_TIMEOUT_INIT); minmax_reset(&newtp->rtt_min, tcp_jiffies32, ~0U); - newicsk->icsk_rto = TCP_TIMEOUT_INIT; newicsk->icsk_ack.lrcvtime = tcp_jiffies32; - newtp->packets_out = 0; - newtp->retrans_out = 0; - newtp->sacked_out = 0; - newtp->snd_ssthresh = TCP_INFINITE_SSTHRESH; - newtp->tlp_high_seq = 0; newtp->lsndtime = tcp_jiffies32; newsk->sk_txhash = treq->txhash; - newtp->last_oow_ack_time = 0; newtp->total_retrans = req->num_retrans; - /* So many TCP implementations out there (incorrectly) count the - * initial SYN frame in their delayed-ACK and congestion control - * algorithms that we must have the following bandaid to talk - * efficiently to them. -DaveM - */ - newtp->snd_cwnd = TCP_INIT_CWND; - newtp->snd_cwnd_cnt = 0; - - /* There's a bubble in the pipe until at least the first ACK. */ - newtp->app_limited = ~0U; - tcp_init_xmit_timers(newsk); newtp->write_seq = newtp->pushed_seq = treq->snt_isn + 1; - newtp->rx_opt.saw_tstamp = 0; - - newtp->rx_opt.dsack = 0; - newtp->rx_opt.num_sacks = 0; - - newtp->urg_data = 0; - if (sock_flag(newsk, SOCK_KEEPOPEN)) inet_csk_reset_keepalive_timer(newsk, keepalive_time_when(newtp)); @@ -556,13 +529,6 @@ struct sock *tcp_create_openreq_child(const struct sock *sk, tcp_ecn_openreq_child(newtp, req); newtp->fastopen_req = NULL; newtp->fastopen_rsk = NULL; - newtp->syn_data_acked = 0; - newtp->rack.mstamp = 0; - newtp->rack.advanced = 0; - newtp->rack.reo_wnd_steps = 1; - newtp->rack.last_delivered = 0; - newtp->rack.reo_wnd_persist = 0; - newtp->rack.dsack_seen = 0; __TCP_INC_STATS(sock_net(sk), TCP_MIB_PASSIVEOPENS);