On 09:25 Wed 21 Aug, Jason Gunthorpe wrote: > On Wed, Aug 21, 2019 at 08:14:36PM +0800, Liu, Changcheng wrote: > > Hi all, > > Does anyone know the usage of the src_qp field in struct ibv_wc? > > > > I’m using RC transport type with only Send Operation on Send Queue. > > On the requester side, when SQ WR is finished, there’s one WCE is on CQ. ibv_wc::src_qp is checked with zero value. > > On the responder side, when RQ WR is finished, there’s one WCE is on CQ. ibv_wc::src_qp is checked with zero value too. > > Why the ibv_wc::src_qp field is zero instead of recording the peer's qp number? > > It is only supported for UD QPs Thanks a lot for your info. I'll check it the protocol. --Thanks Changcheng > > Jason
