net/rds/rdma_transport.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _RDMA_TRANSPORT_H
   3 #define _RDMA_TRANSPORT_H
   4
   5 #include <rdma/ib_verbs.h>
   6 #include <rdma/rdma_cm.h>
   7 #include "rds.h"
   8
   9 /* RDMA_CM also uses 16385 as the listener port. */
  10 #define RDS_CM_PORT     16385
  11
  12 #define RDS_RDMA_RESOLVE_TIMEOUT_MS     5000
  13
  14 /* Below reject reason is for legacy interoperability issue with non-linux
  15  * RDS endpoints where older version incompatibility is conveyed via value 1.
  16  * For future version(s), proper encoded reject reason should be be used.
  17  */
  18 #define RDS_RDMA_REJ_INCOMPAT           1
  19
  20 int rds_rdma_conn_connect(struct rds_connection *conn);
  21 int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
  22                               struct rdma_cm_event *event);
  23 int rds6_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
  24                                struct rdma_cm_event *event);
  25
  26 /* from ib.c */
  27 extern struct rds_transport rds_ib_transport;
  28 int rds_ib_init(void);
  29 void rds_ib_exit(void);
  30
  31 #endif