[PATCH net-next v1] tcp: update the outdated ref draft-ietf-tcpm-rack

[Xin Guo <guoxin0309@gmail.com>]

As RACK-TLP was published as a standards-track RFC8985,
so the outdated ref draft-ietf-tcpm-rack need to be updated.

Signed-off-by: Xin Guo <guoxin0309@gmail.com>
---
v1:including the other two ref draft-ietf-tcpm-rack
---
 Documentation/networking/ip-sysctl.rst | 2 +-
 net/ipv4/tcp_input.c                   | 2 +-
 net/ipv4/tcp_recovery.c                | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index 2cad74e18f71..14700ea77e75 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -431,7 +431,7 @@ tcp_dsack - BOOLEAN
 
 tcp_early_retrans - INTEGER
 	Tail loss probe (TLP) converts RTOs occurring due to tail
-	losses into fast recovery (draft-ietf-tcpm-rack). Note that
+	losses into fast recovery (RFC8985). Note that
 	TLP requires RACK to function properly (see tcp_recovery below)
 
 	Possible values:
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 79e3bfb0108f..e9e654f09180 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3714,7 +3714,7 @@ static int tcp_replace_ts_recent(struct tcp_sock *tp, u32 seq)
 }
 
 /* This routine deals with acks during a TLP episode and ends an episode by
- * resetting tlp_high_seq. Ref: TLP algorithm in draft-ietf-tcpm-rack
+ * resetting tlp_high_seq. Ref: TLP algorithm in RFC8985
  */
 static void tcp_process_tlp_ack(struct sock *sk, u32 ack, int flag)
 {
diff --git a/net/ipv4/tcp_recovery.c b/net/ipv4/tcp_recovery.c
index bba10110fbbc..c52fd3254b6e 100644
--- a/net/ipv4/tcp_recovery.c
+++ b/net/ipv4/tcp_recovery.c
@@ -35,7 +35,7 @@ s32 tcp_rack_skb_timeout(struct tcp_sock *tp, struct sk_buff *skb, u32 reo_wnd)
 	       tcp_stamp_us_delta(tp->tcp_mstamp, tcp_skb_timestamp_us(skb));
 }
 
-/* RACK loss detection (IETF draft draft-ietf-tcpm-rack-01):
+/* RACK loss detection (IETF RFC8985):
  *
  * Marks a packet lost, if some packet sent later has been (s)acked.
  * The underlying idea is similar to the traditional dupthresh and FACK
-- 
2.43.0