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On 5/6/07, Robert Hancock <hancockr@shaw.ca> wrote: > eitanr@audiocodes.com wrote:> > Hi,> >> > I'm using kernel sockets to Tx and Rx UDP packets between my hardware > > device (DSP) to the external network (this is part of a VoIP > > implementation). The motivation for using kernel sockets rather than > > user-space sockets is to avoid the copying of data between kernel and > > user spaces.>> I think we are zero-copy in many cases for UDP these days, so this > doesn't necessarily buy you anything..>> >> > I have no problems on the Tx side (I simply call sock_sendmsg on one > > of the sockets), but for the Rx side I want to listen-in on multiple > > sockets in blocking mode (I don't want to use polling). > >> > Is there a way to listen-in on multiple kernel sockets from one kernel > > thread? In the user space I would have used select(), but I am not > > familiar with a similar solution for the kernel space. > > implementing (sock->)sk_data_ready() might serve your purpose? > > Thanks,> > Eitan.> >> > Eitan Richardson> > AudioCodes Ltd.> >>> --> Robert Hancock Saskatoon, SK, Canada> To email, remove "nospam" from hancockr@nospamshaw.ca > Home Page: http://www.roberthancock.com/ > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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