> Chelsio T4/T5 cards have SR-IOV Capabilities on Physical Functions > 0..3 and the administrative Driver(cxgb4) attaches to Physical Function 4. > Each of the Physical Functions 0..3 can support up to 16 Virtual > Functions. With the current Linux APIs, a 2-Port card would only be > able to use the Virtual Functions on Physical Functions 0..1 and not > allow the Virtual Functions on Physical Functions 2..3 to be used since > there are no Ports 2..3 on a 2-Port card. > > Also the current ip commands takes netdev as one of the argument, and > it assumes a 1-to-1 mapping of Network Ports, Physical Functions and the > SR-IOV Virtual Functions of those Physical Functions. But it is not > true in our case and won't work for us. > > Added a new argument to specify the PF number associated with the VF, to > fix this.
I don't get it - what's the exact definition of 'Physical Function'? Are we talking PCI functions? Logical partitons? Something else?
