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Commit 8d8293cf authored by Steve Wise's avatar Steve Wise Committed by Roland Dreier
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RDMA/iwcm: Set initiator depth and responder resources to device max values 



Set the initiator depth and responder resources to the device max
values for new connect request events in the iWARP connection manager.

Signed-off-by: default avatarSteve Wise <swise@opengridcomputing.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent e193e332

drivers/infiniband/core/cma.c

+10 −0
Original line number Diff line number Diff line
@@ -1262,6 +1262,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, 
	struct net_device *dev = NULL;

	struct rdma_cm_event event;

	int ret;

	struct ib_device_attr attr;



	listen_id = cm_id->context;

	if (cma_disable_remove(listen_id, CMA_LISTEN))
@@ -1311,10 +1312,19 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, 
	sin = (struct sockaddr_in *) &new_cm_id->route.addr.dst_addr;

	*sin = iw_event->remote_addr;



	ret = ib_query_device(conn_id->id.device, &attr);

	if (ret) {

		cma_enable_remove(conn_id);

		rdma_destroy_id(new_cm_id);

		goto out;

	}



	memset(&event, 0, sizeof event);

	event.event = RDMA_CM_EVENT_CONNECT_REQUEST;

	event.param.conn.private_data = iw_event->private_data;

	event.param.conn.private_data_len = iw_event->private_data_len;

	event.param.conn.initiator_depth = attr.max_qp_init_rd_atom;

	event.param.conn.responder_resources = attr.max_qp_rd_atom;

	ret = conn_id->id.event_handler(&conn_id->id, &event);

	if (ret) {

		/* User wants to destroy the CM ID */