netdev - [PATCH] iproute: fix tc -iec display of Mibit rates

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Message-ID: <20120309160919.GA22767@amd64.fatal.se>
Date:	Fri, 9 Mar 2012 17:09:19 +0100
From:	Andreas Henriksson <andreas@...al.se>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	netdev@...r.kernel.org,
	Thomas Mühlgrabner <muehltom@...le.vol.at>
Subject: [PATCH] iproute: fix tc -iec display of Mibit rates

As reported by Thomas Mühlgrabner <muehltom@...le.vol.at>
in http://bugs.debian.org/662979 :

 When showing htb class configuration with "tc -iec class show",
 the output for Mibit is actually the value for bit.
 Example: configure a class with a ceil of 1000Mibit.
 Output states 1048576000 Mibit.

The cause is missing parenteses in the display code of tc....

(Please also note that a lower value of 100Mibit will be displayed
as 102400 Kibit, which I think is kind of ugly.)

Reported-by: Thomas Mühlgrabner <muehltom@...le.vol.at>
Signed-off-by: Andreas Henriksson <andreas@...al.se>

diff --git a/tc/tc_util.c b/tc/tc_util.c
index 5829d61..36e3c7d 100644
--- a/tc/tc_util.c
+++ b/tc/tc_util.c
@@ -203,7 +203,7 @@ void print_rate(char *buf, int len, __u32 rate)
 
 	if (use_iec) {
 		if (tmp >= 1000.0*1024.0*1024.0)
-			snprintf(buf, len, "%.0fMibit", tmp/1024.0*1024.0);
+			snprintf(buf, len, "%.0fMibit", tmp/(1024.0*1024.0));
 		else if (tmp >= 1000.0*1024)
 			snprintf(buf, len, "%.0fKibit", tmp/1024);
 		else
--
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