forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
1.8 KiB
68 lines
1.8 KiB
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
|
/* |
|
* Copyright (c) 2004, 2011 Intel Corporation. All rights reserved. |
|
* Copyright (c) 2004 Topspin Corporation. All rights reserved. |
|
* Copyright (c) 2004 Voltaire Corporation. All rights reserved. |
|
* Copyright (c) 2019, Mellanox Technologies inc. All rights reserved. |
|
*/ |
|
#ifndef CM_MSGS_H |
|
#define CM_MSGS_H |
|
|
|
#include <rdma/ibta_vol1_c12.h> |
|
#include <rdma/ib_mad.h> |
|
#include <rdma/ib_cm.h> |
|
|
|
/* |
|
* Parameters to routines below should be in network-byte order, and values |
|
* are returned in network-byte order. |
|
*/ |
|
|
|
#define IB_CM_CLASS_VERSION 2 /* IB specification 1.2 */ |
|
|
|
static inline enum ib_qp_type cm_req_get_qp_type(struct cm_req_msg *req_msg) |
|
{ |
|
u8 transport_type = IBA_GET(CM_REQ_TRANSPORT_SERVICE_TYPE, req_msg); |
|
switch (transport_type) { |
|
case 0: return IB_QPT_RC; |
|
case 1: return IB_QPT_UC; |
|
case 3: |
|
switch (IBA_GET(CM_REQ_EXTENDED_TRANSPORT_TYPE, req_msg)) { |
|
case 1: return IB_QPT_XRC_TGT; |
|
default: return 0; |
|
} |
|
default: return 0; |
|
} |
|
} |
|
|
|
static inline void cm_req_set_qp_type(struct cm_req_msg *req_msg, |
|
enum ib_qp_type qp_type) |
|
{ |
|
switch (qp_type) { |
|
case IB_QPT_UC: |
|
IBA_SET(CM_REQ_TRANSPORT_SERVICE_TYPE, req_msg, 1); |
|
break; |
|
case IB_QPT_XRC_INI: |
|
IBA_SET(CM_REQ_TRANSPORT_SERVICE_TYPE, req_msg, 3); |
|
IBA_SET(CM_REQ_EXTENDED_TRANSPORT_TYPE, req_msg, 1); |
|
break; |
|
default: |
|
IBA_SET(CM_REQ_TRANSPORT_SERVICE_TYPE, req_msg, 0); |
|
} |
|
} |
|
|
|
/* Message REJected or MRAed */ |
|
enum cm_msg_response { |
|
CM_MSG_RESPONSE_REQ = 0x0, |
|
CM_MSG_RESPONSE_REP = 0x1, |
|
CM_MSG_RESPONSE_OTHER = 0x2 |
|
}; |
|
|
|
static inline __be32 cm_rep_get_qpn(struct cm_rep_msg *rep_msg, enum ib_qp_type qp_type) |
|
{ |
|
return (qp_type == IB_QPT_XRC_INI) ? |
|
cpu_to_be32(IBA_GET(CM_REP_LOCAL_EE_CONTEXT_NUMBER, |
|
rep_msg)) : |
|
cpu_to_be32(IBA_GET(CM_REP_LOCAL_QPN, rep_msg)); |
|
} |
|
|
|
#endif /* CM_MSGS_H */
|
|
|