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authorEric Dumazet <edumazet@google.com>2023-10-20 12:57:41 +0000
committerDavid S. Miller <davem@davemloft.net>2023-10-23 09:35:01 +0100
commitd1a02ed66fe62aa2edd77bd54e270ebc33bd12ff (patch)
tree037c2e87d2deab26135a119690d0862beeff5138 /net/ipv4
parent16cf6477741bdaa287d5e4531a1a503618a41a22 (diff)
tcp: rename tcp_skb_timestamp()
This helper returns a 32bit TCP TSval from skb->tstamp. As we are going to support usec or ms units soon, rename it to tcp_skb_timestamp_ts() and add a boolean to select the unit. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/tcp_input.c2
-rw-r--r--net/ipv4/tcp_output.c8
-rw-r--r--net/ipv4/tcp_timer.c4
3 files changed, 7 insertions, 7 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index ffce17545b62..de68cad82d19 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2442,7 +2442,7 @@ static bool tcp_skb_spurious_retrans(const struct tcp_sock *tp,
const struct sk_buff *skb)
{
return (TCP_SKB_CB(skb)->sacked & TCPCB_RETRANS) &&
- tcp_tsopt_ecr_before(tp, tcp_skb_timestamp(skb));
+ tcp_tsopt_ecr_before(tp, tcp_skb_timestamp_ts(false, skb));
}
/* Nothing was retransmitted or returned timestamp is less
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 909f85aefd74..03a2a9fc0dc1 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -799,7 +799,7 @@ static unsigned int tcp_syn_options(struct sock *sk, struct sk_buff *skb,
if (likely(READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_timestamps) && !*md5)) {
opts->options |= OPTION_TS;
- opts->tsval = tcp_skb_timestamp(skb) + tp->tsoffset;
+ opts->tsval = tcp_skb_timestamp_ts(false, skb) + tp->tsoffset;
opts->tsecr = tp->rx_opt.ts_recent;
remaining -= TCPOLEN_TSTAMP_ALIGNED;
}
@@ -884,7 +884,7 @@ static unsigned int tcp_synack_options(const struct sock *sk,
}
if (likely(ireq->tstamp_ok)) {
opts->options |= OPTION_TS;
- opts->tsval = tcp_skb_timestamp(skb) + tcp_rsk(req)->ts_off;
+ opts->tsval = tcp_skb_timestamp_ts(false, skb) + tcp_rsk(req)->ts_off;
opts->tsecr = READ_ONCE(req->ts_recent);
remaining -= TCPOLEN_TSTAMP_ALIGNED;
}
@@ -943,7 +943,7 @@ static unsigned int tcp_established_options(struct sock *sk, struct sk_buff *skb
if (likely(tp->rx_opt.tstamp_ok)) {
opts->options |= OPTION_TS;
- opts->tsval = skb ? tcp_skb_timestamp(skb) + tp->tsoffset : 0;
+ opts->tsval = skb ? tcp_skb_timestamp_ts(false, skb) + tp->tsoffset : 0;
opts->tsecr = tp->rx_opt.ts_recent;
size += TCPOLEN_TSTAMP_ALIGNED;
}
@@ -3379,7 +3379,7 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb, int segs)
/* Save stamp of the first (attempted) retransmit. */
if (!tp->retrans_stamp)
- tp->retrans_stamp = tcp_skb_timestamp(skb);
+ tp->retrans_stamp = tcp_skb_timestamp_ts(false, skb);
if (tp->undo_retrans < 0)
tp->undo_retrans = 0;
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 63247c78dc13..8764a9a2dc21 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -479,7 +479,7 @@ static bool tcp_rtx_probe0_timed_out(const struct sock *sk,
return false;
rtx_delta = (u32)msecs_to_jiffies(tcp_time_stamp(tp) -
- (tp->retrans_stamp ?: tcp_skb_timestamp(skb)));
+ (tp->retrans_stamp ?: tcp_skb_timestamp_ts(false, skb)));
return rtx_delta > timeout;
}
@@ -534,7 +534,7 @@ void tcp_retransmit_timer(struct sock *sk)
struct inet_sock *inet = inet_sk(sk);
u32 rtx_delta;
- rtx_delta = tcp_time_stamp(tp) - (tp->retrans_stamp ?: tcp_skb_timestamp(skb));
+ rtx_delta = tcp_time_stamp(tp) - (tp->retrans_stamp ?: tcp_skb_timestamp_ts(false, skb));
if (sk->sk_family == AF_INET) {
net_dbg_ratelimited("Probing zero-window on %pI4:%u/%u, seq=%u:%u, recv %ums ago, lasting %ums\n",
&inet->inet_daddr, ntohs(inet->inet_dport),