IB/rdmavt: Add hardware driver send work request check
Some hardware drivers requires additional checks on send WRs. Create an
optional call back to allow hardware drivers to reject a send WR.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index 4711e14..e9e3138 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -1394,6 +1394,10 @@
if (next == qp->s_last)
return -ENOMEM;
+ if (rdi->driver_f.check_send_wr &&
+ rdi->driver_f.check_send_wr(qp, wr))
+ return -EINVAL;
+
rkt = &rdi->lkey_table;
pd = ibpd_to_rvtpd(qp->ibqp.pd);
wqe = rvt_get_swqe_ptr(qp, qp->s_head);