summaryrefslogtreecommitdiff
path: root/drivers/infiniband/sw/rdmavt/qp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/sw/rdmavt/qp.c')
-rw-r--r--drivers/infiniband/sw/rdmavt/qp.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index a9b7d7ff32ee..2db71e956d02 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -1823,13 +1823,11 @@ static int rvt_post_one_wr(struct rvt_qp *qp,
wqe->wr.num_sge = j;
}
- /* general part of wqe valid - allow for driver checks */
- if (rdi->driver_f.check_send_wqe) {
- ret = rdi->driver_f.check_send_wqe(qp, wqe, call_send);
- if (ret < 0)
- goto bail_inval_free;
- }
-
+ /*
+ * Calculate and set SWQE PSN values prior to handing it off
+ * to the driver's check routine. This give the driver the
+ * opportunity to adjust PSN values based on internal checks.
+ */
log_pmtu = qp->log_pmtu;
if (qp->ibqp.qp_type != IB_QPT_UC &&
qp->ibqp.qp_type != IB_QPT_RC) {
@@ -1854,8 +1852,18 @@ static int rvt_post_one_wr(struct rvt_qp *qp,
(wqe->length ?
((wqe->length - 1) >> log_pmtu) :
0);
- qp->s_next_psn = wqe->lpsn + 1;
}
+
+ /* general part of wqe valid - allow for driver checks */
+ if (rdi->driver_f.setup_wqe) {
+ ret = rdi->driver_f.setup_wqe(qp, wqe, call_send);
+ if (ret < 0)
+ goto bail_inval_free_ref;
+ }
+
+ if (!(rdi->post_parms[wr->opcode].flags & RVT_OPERATION_LOCAL))
+ qp->s_next_psn = wqe->lpsn + 1;
+
if (unlikely(reserved_op)) {
wqe->wr.send_flags |= RVT_SEND_RESERVE_USED;
rvt_qp_wqe_reserve(qp, wqe);
@@ -1869,6 +1877,10 @@ static int rvt_post_one_wr(struct rvt_qp *qp,
return 0;
+bail_inval_free_ref:
+ if (qp->ibqp.qp_type != IB_QPT_UC &&
+ qp->ibqp.qp_type != IB_QPT_RC)
+ atomic_dec(&ibah_to_rvtah(ud_wr(wr)->ah)->refcount);
bail_inval_free:
/* release mr holds */
while (j) {