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@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/tcp.h b/include/net/tcp.h
index feba4c0..5b2932b 100644 (file)
--- 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 6a15c9b..eeb4967 100644 (file)
--- 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 717be4d..59c32e0 100644 (file)
--- 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 4bd50f0..cbda5de 100644 (file)
--- 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 5f6f219..9e0616c 100644 (file)
--- 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;
                }