Commit 60c30f57 authored by Ira Weiny's avatar Ira Weiny Committed by Doug Ledford

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: default avatarDennis Dalessandro <>
Signed-off-by: default avatarIra Weiny <>
Signed-off-by: default avatarDoug Ledford <>
parent b8f881b9
......@@ -1394,6 +1394,10 @@ static int rvt_post_one_wr(struct rvt_qp *qp, struct ib_send_wr *wr)
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);
......@@ -265,6 +265,8 @@ struct rvt_driver_provided {
void (*modify_qp)(struct rvt_qp *qp, struct ib_qp_attr *attr,
int attr_mask, struct ib_udata *udata);
int (*check_send_wr)(struct rvt_qp *qp, struct ib_send_wr *wr);
void (*notify_create_mad_agent)(struct rvt_dev_info *rdi, int port_idx);
void (*notify_free_mad_agent)(struct rvt_dev_info *rdi, int port_idx);
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