From: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Date: Thu, 22 Feb 2007 07:07:27 +0000 (-0800)
Subject: [TCP] FRTO: frto_counter modulo-op converted to two assignments
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=94d0ea7786714d78d7cb73144bb850254dd0bb78;p=linux-beck.git

[TCP] FRTO: frto_counter modulo-op converted to two assignments

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 7213740477ee..9dc5754141e9 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2551,11 +2551,11 @@ static void tcp_process_frto(struct sock *sk, u32 prior_snd_una, int flag)
 
 	if (tp->frto_counter == 1) {
 		tp->snd_cwnd = tcp_packets_in_flight(tp) + 2;
+		tp->frto_counter = 2;
 	} else /* frto_counter == 2 */ {
 		tcp_conservative_spur_to_response(tp);
+		tp->frto_counter = 0;
 	}
-
-	tp->frto_counter = (tp->frto_counter + 1) % 3;
 }
 
 /* This routine deals with incoming acks, but not outgoing ones. */