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 32