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Message-Id: <20170516210014.31176-9-edumazet@google.com> Date: Tue, 16 May 2017 14:00:07 -0700 From: Eric Dumazet <edumazet@...gle.com> To: "David S . Miller" <davem@...emloft.net>, Neal Cardwell <ncardwell@...gle.com>, Yuchung Cheng <ycheng@...gle.com>, Soheil Hassas Yeganeh <soheil@...gle.com>, Wei Wang <weiwan@...gle.com> Cc: netdev <netdev@...r.kernel.org>, Eric Dumazet <edumazet@...gle.com>, Eric Dumazet <eric.dumazet@...il.com> Subject: [PATCH net-next 08/15] tcp: use tcp_jiffies32 for rcv_tstamp and lrcvtime Use tcp_jiffies32 instead of tcp_time_stamp, since tcp_time_stamp will soon be only used for TCP TS option. Signed-off-by: Eric Dumazet <edumazet@...gle.com> --- include/net/tcp.h | 4 ++-- net/ipv4/tcp_input.c | 6 +++--- net/ipv4/tcp_minisocks.c | 2 +- net/ipv4/tcp_output.c | 2 +- net/ipv4/tcp_timer.c | 2 +- 5 files changed, 8 insertions(+), 8 deletions(-) diff --git a/include/net/tcp.h b/include/net/tcp.h index feba4c0406e551d7e57da3411476735731b4d817..5b2932b8363fb8546322ebff7c74663139b3371d 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1307,8 +1307,8 @@ static inline u32 keepalive_time_elapsed(const struct tcp_sock *tp) { const struct inet_connection_sock *icsk = &tp->inet_conn; - return min_t(u32, tcp_time_stamp - icsk->icsk_ack.lrcvtime, - tcp_time_stamp - tp->rcv_tstamp); + return min_t(u32, tcp_jiffies32 - icsk->icsk_ack.lrcvtime, + tcp_jiffies32 - tp->rcv_tstamp); } static inline int tcp_fin_time(const struct sock *sk) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 6a15c9b80b09829799dc37d89ecdbf11ec9ff904..eeb4967df25a8dc35128d0a0848b5ae7ee6d63e3 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -672,7 +672,7 @@ static void tcp_event_data_recv(struct sock *sk, struct sk_buff *skb) tcp_rcv_rtt_measure(tp); - now = tcp_time_stamp; + now = tcp_jiffies32; if (!icsk->icsk_ack.ato) { /* The _first_ data packet received, initialize @@ -3636,7 +3636,7 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag) */ sk->sk_err_soft = 0; icsk->icsk_probes_out = 0; - tp->rcv_tstamp = tcp_time_stamp; + tp->rcv_tstamp = tcp_jiffies32; if (!prior_packets) goto no_queue; @@ -5554,7 +5554,7 @@ void tcp_finish_connect(struct sock *sk, struct sk_buff *skb) struct inet_connection_sock *icsk = inet_csk(sk); tcp_set_state(sk, TCP_ESTABLISHED); - icsk->icsk_ack.lrcvtime = tcp_time_stamp; + icsk->icsk_ack.lrcvtime = tcp_jiffies32; if (skb) { icsk->icsk_af_ops->sk_rx_dst_set(sk, skb); diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 717be4de53248352c758b50557987d898340dd4f..59c32e0086c0e46d7955dffe211ec03bb18dcb12 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -447,7 +447,7 @@ struct sock *tcp_create_openreq_child(const struct sock *sk, newtp->mdev_us = jiffies_to_usecs(TCP_TIMEOUT_INIT); minmax_reset(&newtp->rtt_min, tcp_time_stamp, ~0U); newicsk->icsk_rto = TCP_TIMEOUT_INIT; - newicsk->icsk_ack.lrcvtime = tcp_time_stamp; + newicsk->icsk_ack.lrcvtime = tcp_jiffies32; newtp->packets_out = 0; newtp->retrans_out = 0; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 4bd50f0b236ba23fe521a76dd9d35ee16acb061f..cbda5de164495cf318960489bd8edf98fe3a5033 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -3324,7 +3324,7 @@ static void tcp_connect_init(struct sock *sk) if (likely(!tp->repair)) tp->rcv_nxt = 0; else - tp->rcv_tstamp = tcp_time_stamp; + tp->rcv_tstamp = tcp_jiffies32; tp->rcv_wup = tp->rcv_nxt; tp->copied_seq = tp->rcv_nxt; diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index 5f6f219a431e41a90b3c5d667a1a22b50f4464cf..9e0616cb8c17a6385ac97fc0cd657ef9413a1749 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -451,7 +451,7 @@ void tcp_retransmit_timer(struct sock *sk) tp->snd_una, tp->snd_nxt); } #endif - if (tcp_time_stamp - tp->rcv_tstamp > TCP_RTO_MAX) { + if (tcp_jiffies32 - tp->rcv_tstamp > TCP_RTO_MAX) { tcp_write_err(sk); goto out; } -- 2.13.0.303.g4ebf302169-goog
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