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

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 <dennis.dalessandro@intel.com>
Signed-off-by: default avatarIra Weiny <ira.weiny@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent b8f881b9

drivers/infiniband/sw/rdmavt/qp.c

+4 −0
Original line number Diff line number Diff line
@@ -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);

include/rdma/rdma_vt.h

+2 −0
Original line number Diff line number Diff line
@@ -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);

};

CRA Git | Maintained and supported by SUSTech CRA and CCSE