On 11.12.2012 02:01, Laine Stump wrote:
On 12/04/2012 02:18 PM, Michal Privoznik wrote:
SFQ is 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.
What does sfq stand for anyway?
Stochastic Fairness Queuing. I've found a nice picture and description of it: http://opalsoft.net/qos/DS-25.htm
ACK.
--- src/util/virnetdevbandwidth.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/src/util/virnetdevbandwidth.c b/src/util/virnetdevbandwidth.c index bddb788..49fc425 100644 --- a/src/util/virnetdevbandwidth.c +++ b/src/util/virnetdevbandwidth.c @@ -103,6 +103,15 @@ virNetDevBandwidthSet(const char *ifname,
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", "1:0", "protocol", "ip", "handle", "1", "fw", "flowid", "1", NULL);
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