Yevgeny Petrilin wrote:
For example, distributing TCP flows among multiple cores is important for
10GE devices to sustain wire-speed with lots of connections.
In that respect (distributing TCP flows among cores), is there anything
special here which is related to 10GbE but not to IPoIB?
Each CQ is attached to an EQ and receives its completion interrupts from that
EQ.
CQ and EQ are not per port.
Implementing this in in device layer allows all ULP's to use the feature.
We do not expose EQ allocation API, because there is no point creating more EQs
then CPUs.
CQ are not per port but netdevices are bounded to port (its correct that
few of them can be bounded to the same port, eg with different PKEYs or
VLAN tags), maybe it worth thinking on API that either let the ULP
dictate to what CPU/core they want the EQ serving this CQ direct its
interrupts or if the ULP doesn't care, let the driver allocate that in
round robin fashion.
Shirley, assuming the ib core module would expose such binding API,
what's your idea of using it in IPoIB?
Or.
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