Hi Steven. On Thu, 2018-12-13 at 10:18 -0800, Stephen Hemminger wrote: > On Thu, 13 Dec 2018 13:30:50 +0000 > Jan Petrous <jan.petr...@nxp.com> wrote: > > > Hi, > > > > am I understand it right that I can not use NAPI-powered design in > > case > > when there is only one rx queue and one tx queue (only two > > dma channels) usable for data transfer with the ethernet controller > > for > > all interfaces (2 ports or more)? > > > > I could imagine there would be possibility to declare for example > > rx > > queue sharable between napi interfaces, but I was not able to find > > anything like that. > > > > I agree that it is a bit strange configuration but we have to > > support > > such corner case (when other dma channels are used by independent > > systems). > > > > I seems like I have to create two drivers - one with napi, when at > > least the same number of dma channels are free for use and second > > one > > without napi (because of not enough dma channels). > > > > > > Thanks. > > /Jan > > It is possible. Sky2 for some hardware has a single NAPI (on port 0) > and if the card is dual port the napi of port 0 is used by port 1.
Thanks for the hint. It is exactly what I was searching for. /Jan
