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bandwidth: Attach sfq to leaf node

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Stochastic Fairness Queuing (SFQ) is queuing discipline
(qdisc) which doesn't really shape any traffic but 'just'
re-arrange packets in sending buffer so no stream starve.
The goal is to ensure fairness. There is basically only one
configuration parameter (perturb) which is set to advised
value of 10.
This commit is contained in:
Michal Privoznik 2012-11-19 12:16:07 +01:00
parent ad9d8dbcae
commit 7e5040bd20
1 changed files with 9 additions and 0 deletions
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9
src/util/virnetdevbandwidth.c
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@ -101,6 +101,15 @@ virNetDevBandwidthSet(const char *ifname,
if (virCommandRun(cmd, NULL) < 0)
goto cleanup;
virCommandFree(cmd);
cmd = virCommandNew(TC);
virCommandAddArgList(cmd, "qdisc", "add", "dev", ifname, "parent",
"1:1", "handle", "2:", "sfq", "perturb",
"10", NULL);
if (virCommandRun(cmd, NULL) < 0)
goto cleanup;
virCommandFree(cmd);
cmd = virCommandNew(TC);
virCommandAddArgList(cmd,"filter", "add", "dev", ifname, "parent",