netdev - [PATCH 08/21] [TCP]: Remove duplicated code block from clean_rtx

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Message-Id: <11965492963057-git-send-email-ilpo.jarvinen@helsinki.fi>
Date:	Sun,  2 Dec 2007 00:48:03 +0200
From:	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
To:	David Miller <davem@...emloft.net>,
	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	netdev@...r.kernel.org,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
Subject: [PATCH 08/21] [TCP]: Remove duplicated code block from clean_rtx_queue

From: =?ISO-8859-1?q?Ilpo_J=E4rvinen?= <ilpo.jarvinen@...sinki.fi>

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
---
 net/ipv4/tcp_input.c |   48 ++++++++++++++++++++----------------------------
 1 files changed, 20 insertions(+), 28 deletions(-)

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index ed2077c..3f0b6c7 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2799,41 +2799,33 @@ static int tcp_clean_rtx_queue(struct sock *sk, s32 *seq_rtt_p,
 			tcp_mtup_probe_success(sk, skb);
 		}
 
-		if (sacked) {
-			if (sacked & TCPCB_RETRANS) {
-				if (sacked & TCPCB_SACKED_RETRANS)
-					tp->retrans_out -= packets_acked;
-				flag |= FLAG_RETRANS_DATA_ACKED;
-				seq_rtt = -1;
-				if ((flag & FLAG_DATA_ACKED) ||
-				    (packets_acked > 1))
-					flag |= FLAG_NONHEAD_RETRANS_ACKED;
-			} else {
-				if (seq_rtt < 0) {
-					seq_rtt = now - scb->when;
-					if (fully_acked)
-						last_ackt = skb->tstamp;
-				}
-				if (!(sacked & TCPCB_SACKED_ACKED))
-					reord = min(cnt, reord);
-			}
-
-			if (sacked & TCPCB_SACKED_ACKED)
-				tp->sacked_out -= packets_acked;
-			if (sacked & TCPCB_LOST)
-				tp->lost_out -= packets_acked;
-
-			if ((sacked & TCPCB_URG) && tp->urg_mode &&
-			    !before(end_seq, tp->snd_up))
-				tp->urg_mode = 0;
+		if (sacked & TCPCB_RETRANS) {
+			if (sacked & TCPCB_SACKED_RETRANS)
+				tp->retrans_out -= packets_acked;
+			flag |= FLAG_RETRANS_DATA_ACKED;
+			seq_rtt = -1;
+			if ((flag & FLAG_DATA_ACKED) ||
+			    (packets_acked > 1))
+				flag |= FLAG_NONHEAD_RETRANS_ACKED;
 		} else {
 			if (seq_rtt < 0) {
 				seq_rtt = now - scb->when;
 				if (fully_acked)
 					last_ackt = skb->tstamp;
 			}
-			reord = min(cnt, reord);
+			if (!(sacked & TCPCB_SACKED_ACKED))
+				reord = min(cnt, reord);
 		}
+
+		if (sacked & TCPCB_SACKED_ACKED)
+			tp->sacked_out -= packets_acked;
+		if (sacked & TCPCB_LOST)
+			tp->lost_out -= packets_acked;
+
+		if ((sacked & TCPCB_URG) && tp->urg_mode &&
+		    !before(end_seq, tp->snd_up))
+			tp->urg_mode = 0;
+
 		tp->packets_out -= packets_acked;
 		cnt += packets_acked;
 
-- 
1.5.0.6

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