On Tue, Apr 07, 2020 at 11:52:46AM +0200, Eugenio Perez Martin wrote: > Hi! > > So, from the previous mails, it seems that monitoring the used ring > (and the packed descriptors) is a good first step in that direction, > as DPDK did. This way, the device does not need to worry about the > dirty page tracking using a bitmap and the PCI writes limitation, and > we can evaluate later the proposed alternatives: > * Alternate used descriptors in packed. > * vDPA interface for vDPA devices in a convenient format. > > Any thoughts? Do you think that we should start with another way? > > Thanks!
I am concerned that with software in data path, we'll hit RX queue underruns, won't we? Two ways to avoid underruns: - dirty page tracking - page faults I'm working on a proposal for page faults now. If someone wants to work on dirty tracking in addition, that's also an option. -- MST --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
