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Commit 3ebeebc3 authored by Kumar Sanghvi's avatar Kumar Sanghvi Committed by Roland Dreier
Browse files

RDMA/iwcm: Propagate ird/ord values upwards 



Update struct iw_cm_event to support propagating the ird/ord values
upwards to the application.

Signed-off-by: default avatarKumar Sanghvi <kumaras@chelsio.com>
Reviewed-by: default avatarSteve Wise <swise@opengridcomputing.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent 9595480c

drivers/infiniband/core/cma.c

+6 −2
Original line number Diff line number Diff line
@@ -1340,6 +1340,8 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event) 
		switch (iw_event->status) {

		case 0:

			event.event = RDMA_CM_EVENT_ESTABLISHED;

			event.param.conn.initiator_depth = iw_event->ird;

			event.param.conn.responder_resources = iw_event->ord;

			break;

		case -ECONNRESET:

		case -ECONNREFUSED:
@@ -1355,6 +1357,8 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event) 
		break;

	case IW_CM_EVENT_ESTABLISHED:

		event.event = RDMA_CM_EVENT_ESTABLISHED;

		event.param.conn.initiator_depth = iw_event->ird;

		event.param.conn.responder_resources = iw_event->ord;

		break;

	default:

		BUG_ON(1);
@@ -1445,8 +1449,8 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, 
	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;

	event.param.conn.initiator_depth = iw_event->ird;

	event.param.conn.responder_resources = iw_event->ord;



	/*

	 * Protect against the user destroying conn_id from another thread

include/rdma/iw_cm.h

+3 −1
Original line number Diff line number Diff line
@@ -52,8 +52,10 @@ struct iw_cm_event { 
	struct sockaddr_in local_addr;

	struct sockaddr_in remote_addr;

	void *private_data;

	u8 private_data_len;

	void *provider_data;

	u8 private_data_len;

	u8 ord;

	u8 ird;

};



/**