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Modify the default latency from int to float if tbf is enabled.

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- the original version will caluse the latency to 0 when bandwidth
  is bigger than 200;
- the TC command doesn't allow use the 0.00ms as input for latency field

Signed-off-by: hwchiu <sppsorrg@gmail.com>
This commit is contained in:
hwchiu
2017-04-28 09:29:17 +08:00
parent 23f4f4a998
commit f86db75b79
1 changed files with 1 additions and 1 deletions
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mininet/link.py
+1 -1
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@@ -252,7 +252,7 @@ class TCIntf( Intf ):
+ 'rate %fMbit ul rate %fMbit' % ( bw, bw ) ] + 'rate %fMbit ul rate %fMbit' % ( bw, bw ) ]
elif use_tbf: elif use_tbf:
if latency_ms is None: if latency_ms is None:
latency_ms = 15 * 8 / bw latency_ms = 15.0 * 8 / bw
cmds += [ '%s qdisc add dev %s root handle 5: tbf ' + cmds += [ '%s qdisc add dev %s root handle 5: tbf ' +
'rate %fMbit burst 15000 latency %fms' % 'rate %fMbit burst 15000 latency %fms' %
( bw, latency_ms ) ] ( bw, latency_ms ) ]