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Commit 96ac7e88 authored by Steve Wise's avatar Steve Wise Committed by Roland Dreier
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RDMA/cxgb3: Adjust ORD/IRD (if needed) for peer2peer connections 



NFS/RDMA currently fails to set up connections if peer2peer is on.
This is due to the fact that the NFS/RDMA client sets its ORD to 0.

If peer2peer is set, make sure the active side ORD is >= 1 and the
passive side IRD is >=1.

Signed-off-by: default avatarSteve Wise <swise@opengridcomputing.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent a939b96c

drivers/infiniband/hw/cxgb3/iwch_cm.c

+8 −0
Original line number Diff line number Diff line
@@ -1830,6 +1830,10 @@ int iwch_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) 
	ep->com.rpl_err = 0;

	ep->ird = conn_param->ird;

	ep->ord = conn_param->ord;



	if (peer2peer && ep->ird == 0)

		ep->ird = 1;



	PDBG("%s %d ird %d ord %d\n", __func__, __LINE__, ep->ird, ep->ord);



	get_ep(&ep->com);
@@ -1915,6 +1919,10 @@ int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) 
		       conn_param->private_data, ep->plen);

	ep->ird = conn_param->ird;

	ep->ord = conn_param->ord;



	if (peer2peer && ep->ord == 0)

		ep->ord = 1;



	ep->com.tdev = h->rdev.t3cdev_p;



	cm_id->add_ref(cm_id);