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Commit a6753c4d authored by Parav Pandit's avatar Parav Pandit Committed by Jason Gunthorpe
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IB/core: Limit DMAC resolution to RoCE Connected QPs 



Resolving DMAC for RoCE is applicable to only Connected mode QPs.
So resolve DMAC for only for Connected mode QPs.

Signed-off-by: default avatarParav Pandit <parav@mellanox.com>
Reviewed-by: default avatarDaniel Jurgens <danielj@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent f2290d6d

drivers/infiniband/core/verbs.c

+10 −1
Original line number Diff line number Diff line
@@ -1349,6 +1349,14 @@ static int _ib_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr, 
	return ret;

}



static bool is_qp_type_connected(const struct ib_qp *qp)

{

	return (qp->qp_type == IB_QPT_UC ||

		qp->qp_type == IB_QPT_RC ||

		qp->qp_type == IB_QPT_XRC_INI ||

		qp->qp_type == IB_QPT_XRC_TGT);

}



/**

 * ib_modify_qp_with_udata - Modifies the attributes for the specified QP.

 * @ib_qp: The QP to modify.
@@ -1367,7 +1375,8 @@ int ib_modify_qp_with_udata(struct ib_qp *ib_qp, struct ib_qp_attr *attr, 
	int ret;



	if (attr_mask & IB_QP_AV &&

	    attr->ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE) {

	    attr->ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE &&

	    is_qp_type_connected(qp)) {

		ret = ib_resolve_eth_dmac(qp->device, &attr->ah_attr);

		if (ret)

			return ret;