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path: root/drivers/infiniband/hw/hfi1/tid_rdma.c
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Diffstat (limited to 'drivers/infiniband/hw/hfi1/tid_rdma.c')
-rw-r--r--drivers/infiniband/hw/hfi1/tid_rdma.c31
1 files changed, 8 insertions, 23 deletions
diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.c b/drivers/infiniband/hw/hfi1/tid_rdma.c
index fdda33aca77f..43cbce7a19ea 100644
--- a/drivers/infiniband/hw/hfi1/tid_rdma.c
+++ b/drivers/infiniband/hw/hfi1/tid_rdma.c
@@ -5017,24 +5017,14 @@ int hfi1_make_tid_rdma_pkt(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
make_tid_rdma_ack(qp, ohdr, ps))
return 1;
- if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_SEND_OK)) {
- if (!(ib_rvt_state_ops[qp->state] & RVT_FLUSH_SEND))
- goto bail;
- /* We are in the error state, flush the work request. */
- if (qp->s_last == READ_ONCE(qp->s_head))
- goto bail;
- /* If DMAs are in progress, we can't flush immediately. */
- if (iowait_sdma_pending(&priv->s_iowait)) {
- qp->s_flags |= RVT_S_WAIT_DMA;
- goto bail;
- }
- clear_ahg(qp);
- wqe = rvt_get_swqe_ptr(qp, qp->s_last);
- hfi1_trdma_send_complete(qp, wqe, qp->s_last != qp->s_acked ?
- IB_WC_SUCCESS : IB_WC_WR_FLUSH_ERR);
- /* will get called again */
- goto done_free_tx;
- }
+ /*
+ * Bail out if we can't send data.
+ * Be reminded that this check must been done after the call to
+ * make_tid_rdma_ack() because the responding QP could be in
+ * RTR state where it can send TID RDMA ACK, not TID RDMA WRITE DATA.
+ */
+ if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_SEND_OK))
+ goto bail;
if (priv->s_flags & RVT_S_WAIT_ACK)
goto bail;
@@ -5144,11 +5134,6 @@ int hfi1_make_tid_rdma_pkt(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
hfi1_make_ruc_header(qp, ohdr, (opcode << 24), bth1, bth2,
middle, ps);
return 1;
-done_free_tx:
- hfi1_put_txreq(ps->s_txreq);
- ps->s_txreq = NULL;
- return 1;
-
bail:
hfi1_put_txreq(ps->s_txreq);
bail_no_tx: