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