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Commit 5c266b23 authored by Matan Barak's avatar Matan Barak Committed by Doug Ledford
Browse files

IB/cm: Remove the usage of smac and vid of qp_attr and cm_av 



The cm and cma don't need to explicitly handle vlan and smac,
as they are resolved from the GID index now. Removing this
portion of code.

Signed-off-by: default avatarMatan Barak <matanb@mellanox.com>
Reviewed-By: default avatarDevesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent dbf727de

drivers/infiniband/core/cm.c

+0 −30
Original line number Diff line number Diff line
@@ -179,8 +179,6 @@ struct cm_av { 
	struct ib_ah_attr ah_attr;

	u16 pkey_index;

	u8 timeout;

	u8  valid;

	u8  smac[ETH_ALEN];

};



struct cm_work {
@@ -389,7 +387,6 @@ static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av) 
			     &av->ah_attr);

	av->timeout = path->packet_life_time + 1;



	av->valid = 1;

	return 0;

}
@@ -1642,7 +1639,6 @@ static int cm_req_handler(struct cm_work *work) 
	cm_format_paths_from_req(req_msg, &work->path[0], &work->path[1]);



	memcpy(work->path[0].dmac, cm_id_priv->av.ah_attr.dmac, ETH_ALEN);

	work->path[0].vlan_id = cm_id_priv->av.ah_attr.vlan_id;

	ret = cm_init_av_by_path(&work->path[0], &cm_id_priv->av);

	if (ret) {

		ib_get_cached_gid(work->port->cm_dev->ib_device,
@@ -3622,32 +3618,6 @@ static int cm_init_qp_rtr_attr(struct cm_id_private *cm_id_priv, 
		*qp_attr_mask = IB_QP_STATE | IB_QP_AV | IB_QP_PATH_MTU |

				IB_QP_DEST_QPN | IB_QP_RQ_PSN;

		qp_attr->ah_attr = cm_id_priv->av.ah_attr;

		if (!cm_id_priv->av.valid) {

			spin_unlock_irqrestore(&cm_id_priv->lock, flags);

			return -EINVAL;

		}

		if (cm_id_priv->av.ah_attr.vlan_id != 0xffff) {

			qp_attr->vlan_id = cm_id_priv->av.ah_attr.vlan_id;

			*qp_attr_mask |= IB_QP_VID;

		}

		if (!is_zero_ether_addr(cm_id_priv->av.smac)) {

			memcpy(qp_attr->smac, cm_id_priv->av.smac,

			       sizeof(qp_attr->smac));

			*qp_attr_mask |= IB_QP_SMAC;

		}

		if (cm_id_priv->alt_av.valid) {

			if (cm_id_priv->alt_av.ah_attr.vlan_id != 0xffff) {

				qp_attr->alt_vlan_id =

					cm_id_priv->alt_av.ah_attr.vlan_id;

				*qp_attr_mask |= IB_QP_ALT_VID;

			}

			if (!is_zero_ether_addr(cm_id_priv->alt_av.smac)) {

				memcpy(qp_attr->alt_smac,

				       cm_id_priv->alt_av.smac,

				       sizeof(qp_attr->alt_smac));

				*qp_attr_mask |= IB_QP_ALT_SMAC;

			}

		}

		qp_attr->path_mtu = cm_id_priv->path_mtu;

		qp_attr->dest_qp_num = be32_to_cpu(cm_id_priv->remote_qpn);

		qp_attr->rq_psn = be32_to_cpu(cm_id_priv->rq_psn);

drivers/infiniband/core/cma.c

+0 −6
Original line number Diff line number Diff line
@@ -733,12 +733,6 @@ static int cma_modify_qp_rtr(struct rdma_id_private *id_priv, 


	BUG_ON(id_priv->cma_dev->device != id_priv->id.device);



	if (rdma_protocol_roce(id_priv->id.device, id_priv->id.port_num)) {

		ret = rdma_addr_find_smac_by_sgid(&sgid, qp_attr.smac, NULL);



		if (ret)

			goto out;

	}

	if (conn_param)

		qp_attr.max_dest_rd_atomic = conn_param->responder_resources;

	ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask);