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Multicast in SRIO V1.2?

smeil smaili
Intellectual 325 points

Hello,

i would know if Multicast option exists  in DiretIO for RapidIO v1.2 ?

 

 

thank  you  in advance.

  • 0
    TI__Intellectual 1225 points

    The original SRIO v1.2 spec. only specified multicast-event capability, which is differenet from packet multicast capability. I assume that you asked for the packet multicast capability. The packet multicast feature was not part of the original SRIO 1.2v spec. release. And it was presented as a seperate spec. from the main SRIO1.2v. It became part of main SRIO spec. at version 1.3.  So the multicast option does exist in RapidIP v1.2.

    Since the multicast capability is an extended feature for SRIO, the vendor can choose not to implement. You can find out whether  the device supports multicast capability or not through the bit 21 of Processing elements feature CAR register ( config space offset at 0x10).

     

    I hope it is helpful.

     

    Regards,

     

    Chunhua

  • 0 in reply to Chunhua Hu
    TI__Mastermind 23525 points

    Yes, NWRITE and SWRITE transactions can be used with Multicast.

     

    Regards,

    Travis