On 05/15/2015 04:40 PM, Doug Ledford wrote: [snip] > > The test itself doesn't mean that. It means we need a RoCE address > (it's true when transport is IB and link layer is Ethernet). That we > *use* it during connectionless communication because we have to generate > our own address vector for the packet while during connected queue pair > use the address vector is created by the card using the queue pair > information is just the circumstance of its use. And even though a > disconnected queue pair isn't solidly connected to a remote endpoint, it > is solidly bound to an adapter that requires either an IB or Ethernet > address family. Maybe this to resolve your issue with the wording:
Thanks for the explain :-) The term 'connectionless' still sounds a little strange to me when it's just means no HW support on creating address vector, but I can understand the concept. > > This helper is true when the address family of this queue pair is of the > Ethernet (RoCE) variety. Sounds good, will be merged in next version :-) Regards, Michael Wang > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
