/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _RDMA_TRANSPORT_H
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#define _RDMA_TRANSPORT_H
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#include <rdma/ib_verbs.h>
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#include <rdma/rdma_cm.h>
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#include "rds.h"
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/* RDMA_CM also uses 16385 as the listener port. */
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#define RDS_CM_PORT 16385
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#define RDS_RDMA_RESOLVE_TIMEOUT_MS 5000
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/* Below reject reason is for legacy interoperability issue with non-linux
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* RDS endpoints where older version incompatibility is conveyed via value 1.
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* For future version(s), proper encoded reject reason should be used.
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*/
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#define RDS_RDMA_REJ_INCOMPAT 1
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int rds_rdma_conn_connect(struct rds_connection *conn);
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int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
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struct rdma_cm_event *event);
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int rds6_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
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struct rdma_cm_event *event);
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/* from ib.c */
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extern struct rds_transport rds_ib_transport;
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int rds_ib_init(void);
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void rds_ib_exit(void);
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#endif
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