837 lines
21 KiB
C
837 lines
21 KiB
C
/*
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* Copyright (c) 2004, 2011 Intel Corporation. All rights reserved.
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* Copyright (c) 2004 Topspin Corporation. All rights reserved.
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* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING the madirectory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use source and binary forms, with or
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* withmodification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retathe above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHWARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS THE
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* SOFTWARE.
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*/
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#if !defined(CM_MSGS_H)
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#define CM_MSGS_H
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#include <rdma/ib_mad.h>
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#include <rdma/ib_cm.h>
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/*
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* Parameters to routines below should be in network-byte order, and values
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* are returned in network-byte order.
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*/
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#define IB_CM_CLASS_VERSION 2 /* IB specification 1.2 */
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enum cm_msg_sequence {
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CM_MSG_SEQUENCE_REQ,
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CM_MSG_SEQUENCE_LAP,
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CM_MSG_SEQUENCE_DREQ,
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CM_MSG_SEQUENCE_SIDR
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};
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struct cm_req_msg {
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struct ib_mad_hdr hdr;
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__be32 local_comm_id;
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__be32 rsvd4;
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__be64 service_id;
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__be64 local_ca_guid;
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__be32 rsvd24;
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__be32 local_qkey;
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/* local QPN:24, responder resources:8 */
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__be32 offset32;
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/* local EECN:24, initiator depth:8 */
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__be32 offset36;
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/*
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* remote EECN:24, remote CM response timeout:5,
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* transport service type:2, end-to-end flow control:1
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*/
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__be32 offset40;
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/* starting PSN:24, local CM response timeout:5, retry count:3 */
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__be32 offset44;
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__be16 pkey;
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/* path MTU:4, RDC exists:1, RNR retry count:3. */
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u8 offset50;
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/* max CM Retries:4, SRQ:1, extended transport type:3 */
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u8 offset51;
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__be16 primary_local_lid;
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__be16 primary_remote_lid;
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union ib_gid primary_local_gid;
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union ib_gid primary_remote_gid;
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/* flow label:20, rsvd:6, packet rate:6 */
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__be32 primary_offset88;
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u8 primary_traffic_class;
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u8 primary_hop_limit;
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/* SL:4, subnet local:1, rsvd:3 */
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u8 primary_offset94;
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/* local ACK timeout:5, rsvd:3 */
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u8 primary_offset95;
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__be16 alt_local_lid;
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__be16 alt_remote_lid;
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union ib_gid alt_local_gid;
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union ib_gid alt_remote_gid;
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/* flow label:20, rsvd:6, packet rate:6 */
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__be32 alt_offset132;
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u8 alt_traffic_class;
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u8 alt_hop_limit;
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/* SL:4, subnet local:1, rsvd:3 */
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u8 alt_offset138;
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/* local ACK timeout:5, rsvd:3 */
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u8 alt_offset139;
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u8 private_data[IB_CM_REQ_PRIVATE_DATA_SIZE];
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} __attribute__ ((packed));
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static inline __be32 cm_req_get_local_qpn(struct cm_req_msg *req_msg)
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{
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return cpu_to_be32(be32_to_cpu(req_msg->offset32) >> 8);
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}
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static inline void cm_req_set_local_qpn(struct cm_req_msg *req_msg, __be32 qpn)
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{
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req_msg->offset32 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
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(be32_to_cpu(req_msg->offset32) &
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0x000000FF));
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}
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static inline u8 cm_req_get_resp_res(struct cm_req_msg *req_msg)
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{
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return (u8) be32_to_cpu(req_msg->offset32);
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}
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static inline void cm_req_set_resp_res(struct cm_req_msg *req_msg, u8 resp_res)
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{
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req_msg->offset32 = cpu_to_be32(resp_res |
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(be32_to_cpu(req_msg->offset32) &
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0xFFFFFF00));
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}
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static inline u8 cm_req_get_init_depth(struct cm_req_msg *req_msg)
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{
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return (u8) be32_to_cpu(req_msg->offset36);
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}
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static inline void cm_req_set_init_depth(struct cm_req_msg *req_msg,
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u8 init_depth)
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{
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req_msg->offset36 = cpu_to_be32(init_depth |
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(be32_to_cpu(req_msg->offset36) &
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0xFFFFFF00));
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}
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static inline u8 cm_req_get_remote_resp_timeout(struct cm_req_msg *req_msg)
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{
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return (u8) ((be32_to_cpu(req_msg->offset40) & 0xF8) >> 3);
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}
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static inline void cm_req_set_remote_resp_timeout(struct cm_req_msg *req_msg,
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u8 resp_timeout)
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{
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req_msg->offset40 = cpu_to_be32((resp_timeout << 3) |
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(be32_to_cpu(req_msg->offset40) &
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0xFFFFFF07));
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}
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static inline enum ib_qp_type cm_req_get_qp_type(struct cm_req_msg *req_msg)
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{
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u8 transport_type = (u8) (be32_to_cpu(req_msg->offset40) & 0x06) >> 1;
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switch(transport_type) {
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case 0: return IB_QPT_RC;
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case 1: return IB_QPT_UC;
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case 3:
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switch (req_msg->offset51 & 0x7) {
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case 1: return IB_QPT_XRC_TGT;
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default: return 0;
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}
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default: return 0;
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}
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}
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static inline void cm_req_set_qp_type(struct cm_req_msg *req_msg,
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enum ib_qp_type qp_type)
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{
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switch(qp_type) {
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case IB_QPT_UC:
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req_msg->offset40 = cpu_to_be32((be32_to_cpu(
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req_msg->offset40) &
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0xFFFFFFF9) | 0x2);
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break;
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case IB_QPT_XRC_INI:
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req_msg->offset40 = cpu_to_be32((be32_to_cpu(
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req_msg->offset40) &
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0xFFFFFFF9) | 0x6);
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req_msg->offset51 = (req_msg->offset51 & 0xF8) | 1;
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break;
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default:
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req_msg->offset40 = cpu_to_be32(be32_to_cpu(
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req_msg->offset40) &
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0xFFFFFFF9);
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}
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}
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static inline u8 cm_req_get_flow_ctrl(struct cm_req_msg *req_msg)
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{
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return be32_to_cpu(req_msg->offset40) & 0x1;
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}
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static inline void cm_req_set_flow_ctrl(struct cm_req_msg *req_msg,
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u8 flow_ctrl)
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{
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req_msg->offset40 = cpu_to_be32((flow_ctrl & 0x1) |
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(be32_to_cpu(req_msg->offset40) &
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0xFFFFFFFE));
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}
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static inline __be32 cm_req_get_starting_psn(struct cm_req_msg *req_msg)
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{
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return cpu_to_be32(be32_to_cpu(req_msg->offset44) >> 8);
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}
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static inline void cm_req_set_starting_psn(struct cm_req_msg *req_msg,
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__be32 starting_psn)
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{
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req_msg->offset44 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) |
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(be32_to_cpu(req_msg->offset44) & 0x000000FF));
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}
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static inline u8 cm_req_get_local_resp_timeout(struct cm_req_msg *req_msg)
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{
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return (u8) ((be32_to_cpu(req_msg->offset44) & 0xF8) >> 3);
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}
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static inline void cm_req_set_local_resp_timeout(struct cm_req_msg *req_msg,
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u8 resp_timeout)
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{
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req_msg->offset44 = cpu_to_be32((resp_timeout << 3) |
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(be32_to_cpu(req_msg->offset44) & 0xFFFFFF07));
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}
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static inline u8 cm_req_get_retry_count(struct cm_req_msg *req_msg)
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{
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return (u8) (be32_to_cpu(req_msg->offset44) & 0x7);
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}
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static inline void cm_req_set_retry_count(struct cm_req_msg *req_msg,
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u8 retry_count)
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{
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req_msg->offset44 = cpu_to_be32((retry_count & 0x7) |
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(be32_to_cpu(req_msg->offset44) & 0xFFFFFFF8));
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}
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static inline u8 cm_req_get_path_mtu(struct cm_req_msg *req_msg)
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{
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return req_msg->offset50 >> 4;
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}
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static inline void cm_req_set_path_mtu(struct cm_req_msg *req_msg, u8 path_mtu)
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{
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req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF) | (path_mtu << 4));
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}
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static inline u8 cm_req_get_rnr_retry_count(struct cm_req_msg *req_msg)
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{
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return req_msg->offset50 & 0x7;
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}
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static inline void cm_req_set_rnr_retry_count(struct cm_req_msg *req_msg,
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u8 rnr_retry_count)
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{
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req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF8) |
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(rnr_retry_count & 0x7));
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}
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static inline u8 cm_req_get_max_cm_retries(struct cm_req_msg *req_msg)
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{
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return req_msg->offset51 >> 4;
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}
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static inline void cm_req_set_max_cm_retries(struct cm_req_msg *req_msg,
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u8 retries)
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{
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req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF) | (retries << 4));
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}
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static inline u8 cm_req_get_srq(struct cm_req_msg *req_msg)
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{
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return (req_msg->offset51 & 0x8) >> 3;
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}
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static inline void cm_req_set_srq(struct cm_req_msg *req_msg, u8 srq)
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{
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req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF7) |
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((srq & 0x1) << 3));
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}
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static inline __be32 cm_req_get_primary_flow_label(struct cm_req_msg *req_msg)
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{
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return cpu_to_be32(be32_to_cpu(req_msg->primary_offset88) >> 12);
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}
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static inline void cm_req_set_primary_flow_label(struct cm_req_msg *req_msg,
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__be32 flow_label)
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{
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req_msg->primary_offset88 = cpu_to_be32(
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(be32_to_cpu(req_msg->primary_offset88) &
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0x00000FFF) |
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(be32_to_cpu(flow_label) << 12));
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}
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static inline u8 cm_req_get_primary_packet_rate(struct cm_req_msg *req_msg)
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{
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return (u8) (be32_to_cpu(req_msg->primary_offset88) & 0x3F);
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}
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static inline void cm_req_set_primary_packet_rate(struct cm_req_msg *req_msg,
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u8 rate)
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{
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req_msg->primary_offset88 = cpu_to_be32(
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(be32_to_cpu(req_msg->primary_offset88) &
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0xFFFFFFC0) | (rate & 0x3F));
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}
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static inline u8 cm_req_get_primary_sl(struct cm_req_msg *req_msg)
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{
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return (u8) (req_msg->primary_offset94 >> 4);
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}
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static inline void cm_req_set_primary_sl(struct cm_req_msg *req_msg, u8 sl)
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{
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req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0x0F) |
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(sl << 4));
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}
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static inline u8 cm_req_get_primary_subnet_local(struct cm_req_msg *req_msg)
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{
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return (u8) ((req_msg->primary_offset94 & 0x08) >> 3);
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}
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static inline void cm_req_set_primary_subnet_local(struct cm_req_msg *req_msg,
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u8 subnet_local)
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{
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req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0xF7) |
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((subnet_local & 0x1) << 3));
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}
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static inline u8 cm_req_get_primary_local_ack_timeout(struct cm_req_msg *req_msg)
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{
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return (u8) (req_msg->primary_offset95 >> 3);
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}
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static inline void cm_req_set_primary_local_ack_timeout(struct cm_req_msg *req_msg,
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u8 local_ack_timeout)
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{
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req_msg->primary_offset95 = (u8) ((req_msg->primary_offset95 & 0x07) |
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(local_ack_timeout << 3));
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}
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static inline __be32 cm_req_get_alt_flow_label(struct cm_req_msg *req_msg)
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{
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return cpu_to_be32(be32_to_cpu(req_msg->alt_offset132) >> 12);
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}
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static inline void cm_req_set_alt_flow_label(struct cm_req_msg *req_msg,
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__be32 flow_label)
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{
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req_msg->alt_offset132 = cpu_to_be32(
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(be32_to_cpu(req_msg->alt_offset132) &
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0x00000FFF) |
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(be32_to_cpu(flow_label) << 12));
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}
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static inline u8 cm_req_get_alt_packet_rate(struct cm_req_msg *req_msg)
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{
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return (u8) (be32_to_cpu(req_msg->alt_offset132) & 0x3F);
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}
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static inline void cm_req_set_alt_packet_rate(struct cm_req_msg *req_msg,
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u8 rate)
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{
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req_msg->alt_offset132 = cpu_to_be32(
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(be32_to_cpu(req_msg->alt_offset132) &
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0xFFFFFFC0) | (rate & 0x3F));
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}
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static inline u8 cm_req_get_alt_sl(struct cm_req_msg *req_msg)
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{
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return (u8) (req_msg->alt_offset138 >> 4);
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}
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static inline void cm_req_set_alt_sl(struct cm_req_msg *req_msg, u8 sl)
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{
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req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0x0F) |
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(sl << 4));
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}
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static inline u8 cm_req_get_alt_subnet_local(struct cm_req_msg *req_msg)
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{
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return (u8) ((req_msg->alt_offset138 & 0x08) >> 3);
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}
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static inline void cm_req_set_alt_subnet_local(struct cm_req_msg *req_msg,
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u8 subnet_local)
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{
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req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0xF7) |
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((subnet_local & 0x1) << 3));
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}
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static inline u8 cm_req_get_alt_local_ack_timeout(struct cm_req_msg *req_msg)
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{
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return (u8) (req_msg->alt_offset139 >> 3);
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}
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static inline void cm_req_set_alt_local_ack_timeout(struct cm_req_msg *req_msg,
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u8 local_ack_timeout)
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{
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req_msg->alt_offset139 = (u8) ((req_msg->alt_offset139 & 0x07) |
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(local_ack_timeout << 3));
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}
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/* Message REJected or MRAed */
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enum cm_msg_response {
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CM_MSG_RESPONSE_REQ = 0x0,
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CM_MSG_RESPONSE_REP = 0x1,
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CM_MSG_RESPONSE_OTHER = 0x2
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};
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struct cm_mra_msg {
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struct ib_mad_hdr hdr;
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__be32 local_comm_id;
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__be32 remote_comm_id;
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/* message MRAed:2, rsvd:6 */
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u8 offset8;
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/* service timeout:5, rsvd:3 */
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u8 offset9;
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u8 private_data[IB_CM_MRA_PRIVATE_DATA_SIZE];
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} __attribute__ ((packed));
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static inline u8 cm_mra_get_msg_mraed(struct cm_mra_msg *mra_msg)
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{
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return (u8) (mra_msg->offset8 >> 6);
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}
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static inline void cm_mra_set_msg_mraed(struct cm_mra_msg *mra_msg, u8 msg)
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{
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mra_msg->offset8 = (u8) ((mra_msg->offset8 & 0x3F) | (msg << 6));
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}
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static inline u8 cm_mra_get_service_timeout(struct cm_mra_msg *mra_msg)
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{
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return (u8) (mra_msg->offset9 >> 3);
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}
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static inline void cm_mra_set_service_timeout(struct cm_mra_msg *mra_msg,
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u8 service_timeout)
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{
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mra_msg->offset9 = (u8) ((mra_msg->offset9 & 0x07) |
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(service_timeout << 3));
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}
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struct cm_rej_msg {
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struct ib_mad_hdr hdr;
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|
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__be32 local_comm_id;
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__be32 remote_comm_id;
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/* message REJected:2, rsvd:6 */
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u8 offset8;
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/* reject info length:7, rsvd:1. */
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u8 offset9;
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__be16 reason;
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u8 ari[IB_CM_REJ_ARI_LENGTH];
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|
u8 private_data[IB_CM_REJ_PRIVATE_DATA_SIZE];
|
|
|
|
} __attribute__ ((packed));
|
|
|
|
static inline u8 cm_rej_get_msg_rejected(struct cm_rej_msg *rej_msg)
|
|
{
|
|
return (u8) (rej_msg->offset8 >> 6);
|
|
}
|
|
|
|
static inline void cm_rej_set_msg_rejected(struct cm_rej_msg *rej_msg, u8 msg)
|
|
{
|
|
rej_msg->offset8 = (u8) ((rej_msg->offset8 & 0x3F) | (msg << 6));
|
|
}
|
|
|
|
static inline u8 cm_rej_get_reject_info_len(struct cm_rej_msg *rej_msg)
|
|
{
|
|
return (u8) (rej_msg->offset9 >> 1);
|
|
}
|
|
|
|
static inline void cm_rej_set_reject_info_len(struct cm_rej_msg *rej_msg,
|
|
u8 len)
|
|
{
|
|
rej_msg->offset9 = (u8) ((rej_msg->offset9 & 0x1) | (len << 1));
|
|
}
|
|
|
|
struct cm_rep_msg {
|
|
struct ib_mad_hdr hdr;
|
|
|
|
__be32 local_comm_id;
|
|
__be32 remote_comm_id;
|
|
__be32 local_qkey;
|
|
/* local QPN:24, rsvd:8 */
|
|
__be32 offset12;
|
|
/* local EECN:24, rsvd:8 */
|
|
__be32 offset16;
|
|
/* starting PSN:24 rsvd:8 */
|
|
__be32 offset20;
|
|
u8 resp_resources;
|
|
u8 initiator_depth;
|
|
/* target ACK delay:5, failover accepted:2, end-to-end flow control:1 */
|
|
u8 offset26;
|
|
/* RNR retry count:3, SRQ:1, rsvd:5 */
|
|
u8 offset27;
|
|
__be64 local_ca_guid;
|
|
|
|
u8 private_data[IB_CM_REP_PRIVATE_DATA_SIZE];
|
|
|
|
} __attribute__ ((packed));
|
|
|
|
static inline __be32 cm_rep_get_local_qpn(struct cm_rep_msg *rep_msg)
|
|
{
|
|
return cpu_to_be32(be32_to_cpu(rep_msg->offset12) >> 8);
|
|
}
|
|
|
|
static inline void cm_rep_set_local_qpn(struct cm_rep_msg *rep_msg, __be32 qpn)
|
|
{
|
|
rep_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
|
|
(be32_to_cpu(rep_msg->offset12) & 0x000000FF));
|
|
}
|
|
|
|
static inline __be32 cm_rep_get_local_eecn(struct cm_rep_msg *rep_msg)
|
|
{
|
|
return cpu_to_be32(be32_to_cpu(rep_msg->offset16) >> 8);
|
|
}
|
|
|
|
static inline void cm_rep_set_local_eecn(struct cm_rep_msg *rep_msg, __be32 eecn)
|
|
{
|
|
rep_msg->offset16 = cpu_to_be32((be32_to_cpu(eecn) << 8) |
|
|
(be32_to_cpu(rep_msg->offset16) & 0x000000FF));
|
|
}
|
|
|
|
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) ?
|
|
cm_rep_get_local_eecn(rep_msg) : cm_rep_get_local_qpn(rep_msg);
|
|
}
|
|
|
|
static inline __be32 cm_rep_get_starting_psn(struct cm_rep_msg *rep_msg)
|
|
{
|
|
return cpu_to_be32(be32_to_cpu(rep_msg->offset20) >> 8);
|
|
}
|
|
|
|
static inline void cm_rep_set_starting_psn(struct cm_rep_msg *rep_msg,
|
|
__be32 starting_psn)
|
|
{
|
|
rep_msg->offset20 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) |
|
|
(be32_to_cpu(rep_msg->offset20) & 0x000000FF));
|
|
}
|
|
|
|
static inline u8 cm_rep_get_target_ack_delay(struct cm_rep_msg *rep_msg)
|
|
{
|
|
return (u8) (rep_msg->offset26 >> 3);
|
|
}
|
|
|
|
static inline void cm_rep_set_target_ack_delay(struct cm_rep_msg *rep_msg,
|
|
u8 target_ack_delay)
|
|
{
|
|
rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0x07) |
|
|
(target_ack_delay << 3));
|
|
}
|
|
|
|
static inline u8 cm_rep_get_failover(struct cm_rep_msg *rep_msg)
|
|
{
|
|
return (u8) ((rep_msg->offset26 & 0x06) >> 1);
|
|
}
|
|
|
|
static inline void cm_rep_set_failover(struct cm_rep_msg *rep_msg, u8 failover)
|
|
{
|
|
rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xF9) |
|
|
((failover & 0x3) << 1));
|
|
}
|
|
|
|
static inline u8 cm_rep_get_flow_ctrl(struct cm_rep_msg *rep_msg)
|
|
{
|
|
return (u8) (rep_msg->offset26 & 0x01);
|
|
}
|
|
|
|
static inline void cm_rep_set_flow_ctrl(struct cm_rep_msg *rep_msg,
|
|
u8 flow_ctrl)
|
|
{
|
|
rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xFE) |
|
|
(flow_ctrl & 0x1));
|
|
}
|
|
|
|
static inline u8 cm_rep_get_rnr_retry_count(struct cm_rep_msg *rep_msg)
|
|
{
|
|
return (u8) (rep_msg->offset27 >> 5);
|
|
}
|
|
|
|
static inline void cm_rep_set_rnr_retry_count(struct cm_rep_msg *rep_msg,
|
|
u8 rnr_retry_count)
|
|
{
|
|
rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0x1F) |
|
|
(rnr_retry_count << 5));
|
|
}
|
|
|
|
static inline u8 cm_rep_get_srq(struct cm_rep_msg *rep_msg)
|
|
{
|
|
return (u8) ((rep_msg->offset27 >> 4) & 0x1);
|
|
}
|
|
|
|
static inline void cm_rep_set_srq(struct cm_rep_msg *rep_msg, u8 srq)
|
|
{
|
|
rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0xEF) |
|
|
((srq & 0x1) << 4));
|
|
}
|
|
|
|
struct cm_rtu_msg {
|
|
struct ib_mad_hdr hdr;
|
|
|
|
__be32 local_comm_id;
|
|
__be32 remote_comm_id;
|
|
|
|
u8 private_data[IB_CM_RTU_PRIVATE_DATA_SIZE];
|
|
|
|
} __attribute__ ((packed));
|
|
|
|
struct cm_dreq_msg {
|
|
struct ib_mad_hdr hdr;
|
|
|
|
__be32 local_comm_id;
|
|
__be32 remote_comm_id;
|
|
/* remote QPN/EECN:24, rsvd:8 */
|
|
__be32 offset8;
|
|
|
|
u8 private_data[IB_CM_DREQ_PRIVATE_DATA_SIZE];
|
|
|
|
} __attribute__ ((packed));
|
|
|
|
static inline __be32 cm_dreq_get_remote_qpn(struct cm_dreq_msg *dreq_msg)
|
|
{
|
|
return cpu_to_be32(be32_to_cpu(dreq_msg->offset8) >> 8);
|
|
}
|
|
|
|
static inline void cm_dreq_set_remote_qpn(struct cm_dreq_msg *dreq_msg, __be32 qpn)
|
|
{
|
|
dreq_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
|
|
(be32_to_cpu(dreq_msg->offset8) & 0x000000FF));
|
|
}
|
|
|
|
struct cm_drep_msg {
|
|
struct ib_mad_hdr hdr;
|
|
|
|
__be32 local_comm_id;
|
|
__be32 remote_comm_id;
|
|
|
|
u8 private_data[IB_CM_DREP_PRIVATE_DATA_SIZE];
|
|
|
|
} __attribute__ ((packed));
|
|
|
|
struct cm_lap_msg {
|
|
struct ib_mad_hdr hdr;
|
|
|
|
__be32 local_comm_id;
|
|
__be32 remote_comm_id;
|
|
|
|
__be32 rsvd8;
|
|
/* remote QPN/EECN:24, remote CM response timeout:5, rsvd:3 */
|
|
__be32 offset12;
|
|
__be32 rsvd16;
|
|
|
|
__be16 alt_local_lid;
|
|
__be16 alt_remote_lid;
|
|
union ib_gid alt_local_gid;
|
|
union ib_gid alt_remote_gid;
|
|
/* flow label:20, rsvd:4, traffic class:8 */
|
|
__be32 offset56;
|
|
u8 alt_hop_limit;
|
|
/* rsvd:2, packet rate:6 */
|
|
u8 offset61;
|
|
/* SL:4, subnet local:1, rsvd:3 */
|
|
u8 offset62;
|
|
/* local ACK timeout:5, rsvd:3 */
|
|
u8 offset63;
|
|
|
|
u8 private_data[IB_CM_LAP_PRIVATE_DATA_SIZE];
|
|
} __attribute__ ((packed));
|
|
|
|
static inline __be32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg)
|
|
{
|
|
return cpu_to_be32(be32_to_cpu(lap_msg->offset12) >> 8);
|
|
}
|
|
|
|
static inline void cm_lap_set_remote_qpn(struct cm_lap_msg *lap_msg, __be32 qpn)
|
|
{
|
|
lap_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
|
|
(be32_to_cpu(lap_msg->offset12) &
|
|
0x000000FF));
|
|
}
|
|
|
|
static inline u8 cm_lap_get_remote_resp_timeout(struct cm_lap_msg *lap_msg)
|
|
{
|
|
return (u8) ((be32_to_cpu(lap_msg->offset12) & 0xF8) >> 3);
|
|
}
|
|
|
|
static inline void cm_lap_set_remote_resp_timeout(struct cm_lap_msg *lap_msg,
|
|
u8 resp_timeout)
|
|
{
|
|
lap_msg->offset12 = cpu_to_be32((resp_timeout << 3) |
|
|
(be32_to_cpu(lap_msg->offset12) &
|
|
0xFFFFFF07));
|
|
}
|
|
|
|
static inline __be32 cm_lap_get_flow_label(struct cm_lap_msg *lap_msg)
|
|
{
|
|
return cpu_to_be32(be32_to_cpu(lap_msg->offset56) >> 12);
|
|
}
|
|
|
|
static inline void cm_lap_set_flow_label(struct cm_lap_msg *lap_msg,
|
|
__be32 flow_label)
|
|
{
|
|
lap_msg->offset56 = cpu_to_be32(
|
|
(be32_to_cpu(lap_msg->offset56) & 0x00000FFF) |
|
|
(be32_to_cpu(flow_label) << 12));
|
|
}
|
|
|
|
static inline u8 cm_lap_get_traffic_class(struct cm_lap_msg *lap_msg)
|
|
{
|
|
return (u8) be32_to_cpu(lap_msg->offset56);
|
|
}
|
|
|
|
static inline void cm_lap_set_traffic_class(struct cm_lap_msg *lap_msg,
|
|
u8 traffic_class)
|
|
{
|
|
lap_msg->offset56 = cpu_to_be32(traffic_class |
|
|
(be32_to_cpu(lap_msg->offset56) &
|
|
0xFFFFFF00));
|
|
}
|
|
|
|
static inline u8 cm_lap_get_packet_rate(struct cm_lap_msg *lap_msg)
|
|
{
|
|
return lap_msg->offset61 & 0x3F;
|
|
}
|
|
|
|
static inline void cm_lap_set_packet_rate(struct cm_lap_msg *lap_msg,
|
|
u8 packet_rate)
|
|
{
|
|
lap_msg->offset61 = (packet_rate & 0x3F) | (lap_msg->offset61 & 0xC0);
|
|
}
|
|
|
|
static inline u8 cm_lap_get_sl(struct cm_lap_msg *lap_msg)
|
|
{
|
|
return lap_msg->offset62 >> 4;
|
|
}
|
|
|
|
static inline void cm_lap_set_sl(struct cm_lap_msg *lap_msg, u8 sl)
|
|
{
|
|
lap_msg->offset62 = (sl << 4) | (lap_msg->offset62 & 0x0F);
|
|
}
|
|
|
|
static inline u8 cm_lap_get_subnet_local(struct cm_lap_msg *lap_msg)
|
|
{
|
|
return (lap_msg->offset62 >> 3) & 0x1;
|
|
}
|
|
|
|
static inline void cm_lap_set_subnet_local(struct cm_lap_msg *lap_msg,
|
|
u8 subnet_local)
|
|
{
|
|
lap_msg->offset62 = ((subnet_local & 0x1) << 3) |
|
|
(lap_msg->offset61 & 0xF7);
|
|
}
|
|
static inline u8 cm_lap_get_local_ack_timeout(struct cm_lap_msg *lap_msg)
|
|
{
|
|
return lap_msg->offset63 >> 3;
|
|
}
|
|
|
|
static inline void cm_lap_set_local_ack_timeout(struct cm_lap_msg *lap_msg,
|
|
u8 local_ack_timeout)
|
|
{
|
|
lap_msg->offset63 = (local_ack_timeout << 3) |
|
|
(lap_msg->offset63 & 0x07);
|
|
}
|
|
|
|
struct cm_apr_msg {
|
|
struct ib_mad_hdr hdr;
|
|
|
|
__be32 local_comm_id;
|
|
__be32 remote_comm_id;
|
|
|
|
u8 info_length;
|
|
u8 ap_status;
|
|
__be16 rsvd;
|
|
u8 info[IB_CM_APR_INFO_LENGTH];
|
|
|
|
u8 private_data[IB_CM_APR_PRIVATE_DATA_SIZE];
|
|
} __attribute__ ((packed));
|
|
|
|
struct cm_sidr_req_msg {
|
|
struct ib_mad_hdr hdr;
|
|
|
|
__be32 request_id;
|
|
__be16 pkey;
|
|
__be16 rsvd;
|
|
__be64 service_id;
|
|
|
|
u8 private_data[IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE];
|
|
} __attribute__ ((packed));
|
|
|
|
struct cm_sidr_rep_msg {
|
|
struct ib_mad_hdr hdr;
|
|
|
|
__be32 request_id;
|
|
u8 status;
|
|
u8 info_length;
|
|
__be16 rsvd;
|
|
/* QPN:24, rsvd:8 */
|
|
__be32 offset8;
|
|
__be64 service_id;
|
|
__be32 qkey;
|
|
u8 info[IB_CM_SIDR_REP_INFO_LENGTH];
|
|
|
|
u8 private_data[IB_CM_SIDR_REP_PRIVATE_DATA_SIZE];
|
|
} __attribute__ ((packed));
|
|
|
|
static inline __be32 cm_sidr_rep_get_qpn(struct cm_sidr_rep_msg *sidr_rep_msg)
|
|
{
|
|
return cpu_to_be32(be32_to_cpu(sidr_rep_msg->offset8) >> 8);
|
|
}
|
|
|
|
static inline void cm_sidr_rep_set_qpn(struct cm_sidr_rep_msg *sidr_rep_msg,
|
|
__be32 qpn)
|
|
{
|
|
sidr_rep_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
|
|
(be32_to_cpu(sidr_rep_msg->offset8) &
|
|
0x000000FF));
|
|
}
|
|
|
|
#endif /* CM_MSGS_H */
|