> I am trying to post a non-signaled RDMA Read WR. Somehow OFED 1.3 running
> on a T3 Chelsio Adapter seems
> not to care what I set for 'enum ibv_send_flags' in my 'struct
> ibv_send_wr'. I always get a work completion with status
> set to IBV_WC_SUCCESS and opcode IBV_WC_RDMA_READ. When creating the
> 'struct ibv_qp' I have set
> 'sq_sig_all = 0' in 'struct ibv_qp_init_attr'. With RDMA Write and Send I
> do not get a WC when I set the 'ibv_send_flags'
> to 0.
>
> What am I missing here?
Looks like you're hitting this -- the cxgb3 driver has:
case IB_WR_RDMA_READ:
t3_wr_opcode = T3_WR_READ;
t3_wr_flags = 0; /* T3 reads are always signaled */
so I guess the HW can't do unsignaled RDMA reads.
- R.
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