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authorEric Dumazet <edumazet@google.com>2023-10-20 15:57:40 +0300
committerDavid S. Miller <davem@davemloft.net>2023-10-23 11:35:01 +0300
commit16cf6477741bdaa287d5e4531a1a503618a41a22 (patch)
tree8dc3a25443b1a4c83a54eb58b42e85ee24975ad8 /net/ipv4
parent2a7c8d291ffeba69a47d8528987156f625cc05b0 (diff)
downloadlinux-16cf6477741bdaa287d5e4531a1a503618a41a22.tar.xz
tcp: replace tcp_time_stamp_raw()
In preparation of usec TCP TS support, remove tcp_time_stamp_raw() in favor of tcp_clock_ts() helper. This helper will return a suitable 32bit result to feed TS values, depending on a socket field. Also add tcp_tw_tsval() and tcp_rsk_tsval() helpers to factorize the details. We do not yet support usec timestamps. 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.c4
-rw-r--r--net/ipv4/tcp_ipv4.c4
2 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 5b034b0356ec..805f8341064f 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3632,7 +3632,7 @@ int do_tcp_setsockopt(struct sock *sk, int level, int optname,
if (!tp->repair)
err = -EPERM;
else
- WRITE_ONCE(tp->tsoffset, val - tcp_time_stamp_raw());
+ WRITE_ONCE(tp->tsoffset, val - tcp_clock_ts(false));
break;
case TCP_REPAIR_WINDOW:
err = tcp_repair_set_window(tp, optval, optlen);
@@ -4143,7 +4143,7 @@ int do_tcp_getsockopt(struct sock *sk, int level,
break;
case TCP_TIMESTAMP:
- val = tcp_time_stamp_raw() + READ_ONCE(tp->tsoffset);
+ val = tcp_clock_ts(false) + READ_ONCE(tp->tsoffset);
break;
case TCP_NOTSENT_LOWAT:
val = READ_ONCE(tp->notsent_lowat);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index a67a5de86253..cdd65cc594bc 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -954,7 +954,7 @@ static void tcp_v4_timewait_ack(struct sock *sk, struct sk_buff *skb)
tcp_v4_send_ack(sk, skb,
tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt,
tcptw->tw_rcv_wnd >> tw->tw_rcv_wscale,
- tcp_time_stamp_raw() + tcptw->tw_ts_offset,
+ tcp_tw_tsval(tcptw),
tcptw->tw_ts_recent,
tw->tw_bound_dev_if,
tcp_twsk_md5_key(tcptw),
@@ -988,7 +988,7 @@ static void tcp_v4_reqsk_send_ack(const struct sock *sk, struct sk_buff *skb,
tcp_v4_send_ack(sk, skb, seq,
tcp_rsk(req)->rcv_nxt,
req->rsk_rcv_wnd >> inet_rsk(req)->rcv_wscale,
- tcp_time_stamp_raw() + tcp_rsk(req)->ts_off,
+ tcp_rsk_tsval(tcp_rsk(req)),
READ_ONCE(req->ts_recent),
0,
tcp_md5_do_lookup(sk, l3index, addr, AF_INET),