| /* |
| * Copyright (c) 2004, 2005 Intel Corporation. All rights reserved. |
| * Copyright (c) 2004 Topspin Corporation. All rights reserved. |
| * Copyright (c) 2004 Voltaire Corporation. All rights reserved. |
| * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * OpenIB.org BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #if !defined(IB_CM_H) |
| #define IB_CM_H |
| |
| #include <rdma/ib_mad.h> |
| #include <rdma/ib_sa.h> |
| |
| /* ib_cm and ib_user_cm modules share /sys/class/infiniband_cm */ |
| extern struct class cm_class; |
| |
| enum ib_cm_state { |
| IB_CM_IDLE, |
| IB_CM_LISTEN, |
| IB_CM_REQ_SENT, |
| IB_CM_REQ_RCVD, |
| IB_CM_MRA_REQ_SENT, |
| IB_CM_MRA_REQ_RCVD, |
| IB_CM_REP_SENT, |
| IB_CM_REP_RCVD, |
| IB_CM_MRA_REP_SENT, |
| IB_CM_MRA_REP_RCVD, |
| IB_CM_ESTABLISHED, |
| IB_CM_DREQ_SENT, |
| IB_CM_DREQ_RCVD, |
| IB_CM_TIMEWAIT, |
| IB_CM_SIDR_REQ_SENT, |
| IB_CM_SIDR_REQ_RCVD |
| }; |
| |
| enum ib_cm_lap_state { |
| IB_CM_LAP_UNINIT, |
| IB_CM_LAP_IDLE, |
| IB_CM_LAP_SENT, |
| IB_CM_LAP_RCVD, |
| IB_CM_MRA_LAP_SENT, |
| IB_CM_MRA_LAP_RCVD, |
| }; |
| |
| enum ib_cm_event_type { |
| IB_CM_REQ_ERROR, |
| IB_CM_REQ_RECEIVED, |
| IB_CM_REP_ERROR, |
| IB_CM_REP_RECEIVED, |
| IB_CM_RTU_RECEIVED, |
| IB_CM_USER_ESTABLISHED, |
| IB_CM_DREQ_ERROR, |
| IB_CM_DREQ_RECEIVED, |
| IB_CM_DREP_RECEIVED, |
| IB_CM_TIMEWAIT_EXIT, |
| IB_CM_MRA_RECEIVED, |
| IB_CM_REJ_RECEIVED, |
| IB_CM_LAP_ERROR, |
| IB_CM_LAP_RECEIVED, |
| IB_CM_APR_RECEIVED, |
| IB_CM_SIDR_REQ_ERROR, |
| IB_CM_SIDR_REQ_RECEIVED, |
| IB_CM_SIDR_REP_RECEIVED |
| }; |
| |
| enum ib_cm_data_size { |
| IB_CM_REQ_PRIVATE_DATA_SIZE = 92, |
| IB_CM_MRA_PRIVATE_DATA_SIZE = 222, |
| IB_CM_REJ_PRIVATE_DATA_SIZE = 148, |
| IB_CM_REP_PRIVATE_DATA_SIZE = 196, |
| IB_CM_RTU_PRIVATE_DATA_SIZE = 224, |
| IB_CM_DREQ_PRIVATE_DATA_SIZE = 220, |
| IB_CM_DREP_PRIVATE_DATA_SIZE = 224, |
| IB_CM_REJ_ARI_LENGTH = 72, |
| IB_CM_LAP_PRIVATE_DATA_SIZE = 168, |
| IB_CM_APR_PRIVATE_DATA_SIZE = 148, |
| IB_CM_APR_INFO_LENGTH = 72, |
| IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE = 216, |
| IB_CM_SIDR_REP_PRIVATE_DATA_SIZE = 136, |
| IB_CM_SIDR_REP_INFO_LENGTH = 72, |
| }; |
| |
| struct ib_cm_id; |
| |
| struct ib_cm_req_event_param { |
| struct ib_cm_id *listen_id; |
| |
| /* P_Key that was used by the GMP's BTH header */ |
| u16 bth_pkey; |
| |
| u8 port; |
| |
| struct ib_sa_path_rec *primary_path; |
| struct ib_sa_path_rec *alternate_path; |
| |
| __be64 remote_ca_guid; |
| u32 remote_qkey; |
| u32 remote_qpn; |
| enum ib_qp_type qp_type; |
| |
| u32 starting_psn; |
| u8 responder_resources; |
| u8 initiator_depth; |
| unsigned int local_cm_response_timeout:5; |
| unsigned int flow_control:1; |
| unsigned int remote_cm_response_timeout:5; |
| unsigned int retry_count:3; |
| unsigned int rnr_retry_count:3; |
| unsigned int srq:1; |
| }; |
| |
| struct ib_cm_rep_event_param { |
| __be64 remote_ca_guid; |
| u32 remote_qkey; |
| u32 remote_qpn; |
| u32 starting_psn; |
| u8 responder_resources; |
| u8 initiator_depth; |
| unsigned int target_ack_delay:5; |
| unsigned int failover_accepted:2; |
| unsigned int flow_control:1; |
| unsigned int rnr_retry_count:3; |
| unsigned int srq:1; |
| }; |
| |
| enum ib_cm_rej_reason { |
| IB_CM_REJ_NO_QP = 1, |
| IB_CM_REJ_NO_EEC = 2, |
| IB_CM_REJ_NO_RESOURCES = 3, |
| IB_CM_REJ_TIMEOUT = 4, |
| IB_CM_REJ_UNSUPPORTED = 5, |
| IB_CM_REJ_INVALID_COMM_ID = 6, |
| IB_CM_REJ_INVALID_COMM_INSTANCE = 7, |
| IB_CM_REJ_INVALID_SERVICE_ID = 8, |
| IB_CM_REJ_INVALID_TRANSPORT_TYPE = 9, |
| IB_CM_REJ_STALE_CONN = 10, |
| IB_CM_REJ_RDC_NOT_EXIST = 11, |
| IB_CM_REJ_INVALID_GID = 12, |
| IB_CM_REJ_INVALID_LID = 13, |
| IB_CM_REJ_INVALID_SL = 14, |
| IB_CM_REJ_INVALID_TRAFFIC_CLASS = 15, |
| IB_CM_REJ_INVALID_HOP_LIMIT = 16, |
| IB_CM_REJ_INVALID_PACKET_RATE = 17, |
| IB_CM_REJ_INVALID_ALT_GID = 18, |
| IB_CM_REJ_INVALID_ALT_LID = 19, |
| IB_CM_REJ_INVALID_ALT_SL = 20, |
| IB_CM_REJ_INVALID_ALT_TRAFFIC_CLASS = 21, |
| IB_CM_REJ_INVALID_ALT_HOP_LIMIT = 22, |
| IB_CM_REJ_INVALID_ALT_PACKET_RATE = 23, |
| IB_CM_REJ_PORT_CM_REDIRECT = 24, |
| IB_CM_REJ_PORT_REDIRECT = 25, |
| IB_CM_REJ_INVALID_MTU = 26, |
| IB_CM_REJ_INSUFFICIENT_RESP_RESOURCES = 27, |
| IB_CM_REJ_CONSUMER_DEFINED = 28, |
| IB_CM_REJ_INVALID_RNR_RETRY = 29, |
| IB_CM_REJ_DUPLICATE_LOCAL_COMM_ID = 30, |
| IB_CM_REJ_INVALID_CLASS_VERSION = 31, |
| IB_CM_REJ_INVALID_FLOW_LABEL = 32, |
| IB_CM_REJ_INVALID_ALT_FLOW_LABEL = 33 |
| }; |
| |
| struct ib_cm_rej_event_param { |
| enum ib_cm_rej_reason reason; |
| void *ari; |
| u8 ari_length; |
| }; |
| |
| struct ib_cm_mra_event_param { |
| u8 service_timeout; |
| }; |
| |
| struct ib_cm_lap_event_param { |
| struct ib_sa_path_rec *alternate_path; |
| }; |
| |
| enum ib_cm_apr_status { |
| IB_CM_APR_SUCCESS, |
| IB_CM_APR_INVALID_COMM_ID, |
| IB_CM_APR_UNSUPPORTED, |
| IB_CM_APR_REJECT, |
| IB_CM_APR_REDIRECT, |
| IB_CM_APR_IS_CURRENT, |
| IB_CM_APR_INVALID_QPN_EECN, |
| IB_CM_APR_INVALID_LID, |
| IB_CM_APR_INVALID_GID, |
| IB_CM_APR_INVALID_FLOW_LABEL, |
| IB_CM_APR_INVALID_TCLASS, |
| IB_CM_APR_INVALID_HOP_LIMIT, |
| IB_CM_APR_INVALID_PACKET_RATE, |
| IB_CM_APR_INVALID_SL |
| }; |
| |
| struct ib_cm_apr_event_param { |
| enum ib_cm_apr_status ap_status; |
| void *apr_info; |
| u8 info_len; |
| }; |
| |
| struct ib_cm_sidr_req_event_param { |
| struct ib_cm_id *listen_id; |
| __be64 service_id; |
| /* P_Key that was used by the GMP's BTH header */ |
| u16 bth_pkey; |
| u8 port; |
| u16 pkey; |
| }; |
| |
| enum ib_cm_sidr_status { |
| IB_SIDR_SUCCESS, |
| IB_SIDR_UNSUPPORTED, |
| IB_SIDR_REJECT, |
| IB_SIDR_NO_QP, |
| IB_SIDR_REDIRECT, |
| IB_SIDR_UNSUPPORTED_VERSION |
| }; |
| |
| struct ib_cm_sidr_rep_event_param { |
| enum ib_cm_sidr_status status; |
| u32 qkey; |
| u32 qpn; |
| void *info; |
| u8 info_len; |
| }; |
| |
| struct ib_cm_event { |
| enum ib_cm_event_type event; |
| union { |
| struct ib_cm_req_event_param req_rcvd; |
| struct ib_cm_rep_event_param rep_rcvd; |
| /* No data for RTU received events. */ |
| struct ib_cm_rej_event_param rej_rcvd; |
| struct ib_cm_mra_event_param mra_rcvd; |
| struct ib_cm_lap_event_param lap_rcvd; |
| struct ib_cm_apr_event_param apr_rcvd; |
| /* No data for DREQ/DREP received events. */ |
| struct ib_cm_sidr_req_event_param sidr_req_rcvd; |
| struct ib_cm_sidr_rep_event_param sidr_rep_rcvd; |
| enum ib_wc_status send_status; |
| } param; |
| |
| void *private_data; |
| }; |
| |
| #define CM_REQ_ATTR_ID cpu_to_be16(0x0010) |
| #define CM_MRA_ATTR_ID cpu_to_be16(0x0011) |
| #define CM_REJ_ATTR_ID cpu_to_be16(0x0012) |
| #define CM_REP_ATTR_ID cpu_to_be16(0x0013) |
| #define CM_RTU_ATTR_ID cpu_to_be16(0x0014) |
| #define CM_DREQ_ATTR_ID cpu_to_be16(0x0015) |
| #define CM_DREP_ATTR_ID cpu_to_be16(0x0016) |
| #define CM_SIDR_REQ_ATTR_ID cpu_to_be16(0x0017) |
| #define CM_SIDR_REP_ATTR_ID cpu_to_be16(0x0018) |
| #define CM_LAP_ATTR_ID cpu_to_be16(0x0019) |
| #define CM_APR_ATTR_ID cpu_to_be16(0x001A) |
| |
| /** |
| * ib_cm_handler - User-defined callback to process communication events. |
| * @cm_id: Communication identifier associated with the reported event. |
| * @event: Information about the communication event. |
| * |
| * IB_CM_REQ_RECEIVED and IB_CM_SIDR_REQ_RECEIVED communication events |
| * generated as a result of listen requests result in the allocation of a |
| * new @cm_id. The new @cm_id is returned to the user through this callback. |
| * Clients are responsible for destroying the new @cm_id. For peer-to-peer |
| * IB_CM_REQ_RECEIVED and all other events, the returned @cm_id corresponds |
| * to a user's existing communication identifier. |
| * |
| * Users may not call ib_destroy_cm_id while in the context of this callback; |
| * however, returning a non-zero value instructs the communication manager to |
| * destroy the @cm_id after the callback completes. |
| */ |
| typedef int (*ib_cm_handler)(struct ib_cm_id *cm_id, |
| struct ib_cm_event *event); |
| |
| struct ib_cm_id { |
| ib_cm_handler cm_handler; |
| void *context; |
| struct ib_device *device; |
| __be64 service_id; |
| __be64 service_mask; |
| enum ib_cm_state state; /* internal CM/debug use */ |
| enum ib_cm_lap_state lap_state; /* internal CM/debug use */ |
| __be32 local_id; |
| __be32 remote_id; |
| u32 remote_cm_qpn; /* 1 unless redirected */ |
| }; |
| |
| /** |
| * ib_create_cm_id - Allocate a communication identifier. |
| * @device: Device associated with the cm_id. All related communication will |
| * be associated with the specified device. |
| * @cm_handler: Callback invoked to notify the user of CM events. |
| * @context: User specified context associated with the communication |
| * identifier. |
| * |
| * Communication identifiers are used to track connection states, service |
| * ID resolution requests, and listen requests. |
| */ |
| struct ib_cm_id *ib_create_cm_id(struct ib_device *device, |
| ib_cm_handler cm_handler, |
| void *context); |
| |
| /** |
| * ib_destroy_cm_id - Destroy a connection identifier. |
| * @cm_id: Connection identifier to destroy. |
| * |
| * This call blocks until the connection identifier is destroyed. |
| */ |
| void ib_destroy_cm_id(struct ib_cm_id *cm_id); |
| |
| #define IB_SERVICE_ID_AGN_MASK cpu_to_be64(0xFF00000000000000ULL) |
| #define IB_CM_ASSIGN_SERVICE_ID cpu_to_be64(0x0200000000000000ULL) |
| #define IB_CMA_SERVICE_ID cpu_to_be64(0x0000000001000000ULL) |
| #define IB_CMA_SERVICE_ID_MASK cpu_to_be64(0xFFFFFFFFFF000000ULL) |
| #define IB_SDP_SERVICE_ID cpu_to_be64(0x0000000000010000ULL) |
| #define IB_SDP_SERVICE_ID_MASK cpu_to_be64(0xFFFFFFFFFFFF0000ULL) |
| |
| /** |
| * ib_cm_listen - Initiates listening on the specified service ID for |
| * connection and service ID resolution requests. |
| * @cm_id: Connection identifier associated with the listen request. |
| * @service_id: Service identifier matched against incoming connection |
| * and service ID resolution requests. The service ID should be specified |
| * network-byte order. If set to IB_CM_ASSIGN_SERVICE_ID, the CM will |
| * assign a service ID to the caller. |
| * @service_mask: Mask applied to service ID used to listen across a |
| * range of service IDs. If set to 0, the service ID is matched |
| * exactly. This parameter is ignored if %service_id is set to |
| * IB_CM_ASSIGN_SERVICE_ID. |
| */ |
| int ib_cm_listen(struct ib_cm_id *cm_id, __be64 service_id, |
| __be64 service_mask); |
| |
| struct ib_cm_id *ib_cm_insert_listen(struct ib_device *device, |
| ib_cm_handler cm_handler, |
| __be64 service_id); |
| |
| struct ib_cm_req_param { |
| struct ib_sa_path_rec *primary_path; |
| struct ib_sa_path_rec *alternate_path; |
| __be64 service_id; |
| u32 qp_num; |
| enum ib_qp_type qp_type; |
| u32 starting_psn; |
| const void *private_data; |
| u8 private_data_len; |
| u8 peer_to_peer; |
| u8 responder_resources; |
| u8 initiator_depth; |
| u8 remote_cm_response_timeout; |
| u8 flow_control; |
| u8 local_cm_response_timeout; |
| u8 retry_count; |
| u8 rnr_retry_count; |
| u8 max_cm_retries; |
| u8 srq; |
| }; |
| |
| /** |
| * ib_send_cm_req - Sends a connection request to the remote node. |
| * @cm_id: Connection identifier that will be associated with the |
| * connection request. |
| * @param: Connection request information needed to establish the |
| * connection. |
| */ |
| int ib_send_cm_req(struct ib_cm_id *cm_id, |
| struct ib_cm_req_param *param); |
| |
| struct ib_cm_rep_param { |
| u32 qp_num; |
| u32 starting_psn; |
| const void *private_data; |
| u8 private_data_len; |
| u8 responder_resources; |
| u8 initiator_depth; |
| u8 failover_accepted; |
| u8 flow_control; |
| u8 rnr_retry_count; |
| u8 srq; |
| }; |
| |
| /** |
| * ib_send_cm_rep - Sends a connection reply in response to a connection |
| * request. |
| * @cm_id: Connection identifier that will be associated with the |
| * connection request. |
| * @param: Connection reply information needed to establish the |
| * connection. |
| */ |
| int ib_send_cm_rep(struct ib_cm_id *cm_id, |
| struct ib_cm_rep_param *param); |
| |
| /** |
| * ib_send_cm_rtu - Sends a connection ready to use message in response |
| * to a connection reply message. |
| * @cm_id: Connection identifier associated with the connection request. |
| * @private_data: Optional user-defined private data sent with the |
| * ready to use message. |
| * @private_data_len: Size of the private data buffer, in bytes. |
| */ |
| int ib_send_cm_rtu(struct ib_cm_id *cm_id, |
| const void *private_data, |
| u8 private_data_len); |
| |
| /** |
| * ib_send_cm_dreq - Sends a disconnection request for an existing |
| * connection. |
| * @cm_id: Connection identifier associated with the connection being |
| * released. |
| * @private_data: Optional user-defined private data sent with the |
| * disconnection request message. |
| * @private_data_len: Size of the private data buffer, in bytes. |
| */ |
| int ib_send_cm_dreq(struct ib_cm_id *cm_id, |
| const void *private_data, |
| u8 private_data_len); |
| |
| /** |
| * ib_send_cm_drep - Sends a disconnection reply to a disconnection request. |
| * @cm_id: Connection identifier associated with the connection being |
| * released. |
| * @private_data: Optional user-defined private data sent with the |
| * disconnection reply message. |
| * @private_data_len: Size of the private data buffer, in bytes. |
| * |
| * If the cm_id is in the correct state, the CM will transition the connection |
| * to the timewait state, even if an error occurs sending the DREP message. |
| */ |
| int ib_send_cm_drep(struct ib_cm_id *cm_id, |
| const void *private_data, |
| u8 private_data_len); |
| |
| /** |
| * ib_cm_notify - Notifies the CM of an event reported to the consumer. |
| * @cm_id: Connection identifier to transition to established. |
| * @event: Type of event. |
| * |
| * This routine should be invoked by users to notify the CM of relevant |
| * communication events. Events that should be reported to the CM and |
| * when to report them are: |
| * |
| * IB_EVENT_COMM_EST - Used when a message is received on a connected |
| * QP before an RTU has been received. |
| * IB_EVENT_PATH_MIG - Notifies the CM that the connection has failed over |
| * to the alternate path. |
| */ |
| int ib_cm_notify(struct ib_cm_id *cm_id, enum ib_event_type event); |
| |
| /** |
| * ib_send_cm_rej - Sends a connection rejection message to the |
| * remote node. |
| * @cm_id: Connection identifier associated with the connection being |
| * rejected. |
| * @reason: Reason for the connection request rejection. |
| * @ari: Optional additional rejection information. |
| * @ari_length: Size of the additional rejection information, in bytes. |
| * @private_data: Optional user-defined private data sent with the |
| * rejection message. |
| * @private_data_len: Size of the private data buffer, in bytes. |
| */ |
| int ib_send_cm_rej(struct ib_cm_id *cm_id, |
| enum ib_cm_rej_reason reason, |
| void *ari, |
| u8 ari_length, |
| const void *private_data, |
| u8 private_data_len); |
| |
| #define IB_CM_MRA_FLAG_DELAY 0x80 /* Send MRA only after a duplicate msg */ |
| |
| /** |
| * ib_send_cm_mra - Sends a message receipt acknowledgement to a connection |
| * message. |
| * @cm_id: Connection identifier associated with the connection message. |
| * @service_timeout: The lower 5-bits specify the maximum time required for |
| * the sender to reply to the connection message. The upper 3-bits |
| * specify additional control flags. |
| * @private_data: Optional user-defined private data sent with the |
| * message receipt acknowledgement. |
| * @private_data_len: Size of the private data buffer, in bytes. |
| */ |
| int ib_send_cm_mra(struct ib_cm_id *cm_id, |
| u8 service_timeout, |
| const void *private_data, |
| u8 private_data_len); |
| |
| /** |
| * ib_send_cm_lap - Sends a load alternate path request. |
| * @cm_id: Connection identifier associated with the load alternate path |
| * message. |
| * @alternate_path: A path record that identifies the alternate path to |
| * load. |
| * @private_data: Optional user-defined private data sent with the |
| * load alternate path message. |
| * @private_data_len: Size of the private data buffer, in bytes. |
| */ |
| int ib_send_cm_lap(struct ib_cm_id *cm_id, |
| struct ib_sa_path_rec *alternate_path, |
| const void *private_data, |
| u8 private_data_len); |
| |
| /** |
| * ib_cm_init_qp_attr - Initializes the QP attributes for use in transitioning |
| * to a specified QP state. |
| * @cm_id: Communication identifier associated with the QP attributes to |
| * initialize. |
| * @qp_attr: On input, specifies the desired QP state. On output, the |
| * mandatory and desired optional attributes will be set in order to |
| * modify the QP to the specified state. |
| * @qp_attr_mask: The QP attribute mask that may be used to transition the |
| * QP to the specified state. |
| * |
| * Users must set the @qp_attr->qp_state to the desired QP state. This call |
| * will set all required attributes for the given transition, along with |
| * known optional attributes. Users may override the attributes returned from |
| * this call before calling ib_modify_qp. |
| */ |
| int ib_cm_init_qp_attr(struct ib_cm_id *cm_id, |
| struct ib_qp_attr *qp_attr, |
| int *qp_attr_mask); |
| |
| /** |
| * ib_send_cm_apr - Sends an alternate path response message in response to |
| * a load alternate path request. |
| * @cm_id: Connection identifier associated with the alternate path response. |
| * @status: Reply status sent with the alternate path response. |
| * @info: Optional additional information sent with the alternate path |
| * response. |
| * @info_length: Size of the additional information, in bytes. |
| * @private_data: Optional user-defined private data sent with the |
| * alternate path response message. |
| * @private_data_len: Size of the private data buffer, in bytes. |
| */ |
| int ib_send_cm_apr(struct ib_cm_id *cm_id, |
| enum ib_cm_apr_status status, |
| void *info, |
| u8 info_length, |
| const void *private_data, |
| u8 private_data_len); |
| |
| struct ib_cm_sidr_req_param { |
| struct ib_sa_path_rec *path; |
| __be64 service_id; |
| int timeout_ms; |
| const void *private_data; |
| u8 private_data_len; |
| u8 max_cm_retries; |
| }; |
| |
| /** |
| * ib_send_cm_sidr_req - Sends a service ID resolution request to the |
| * remote node. |
| * @cm_id: Communication identifier that will be associated with the |
| * service ID resolution request. |
| * @param: Service ID resolution request information. |
| */ |
| int ib_send_cm_sidr_req(struct ib_cm_id *cm_id, |
| struct ib_cm_sidr_req_param *param); |
| |
| struct ib_cm_sidr_rep_param { |
| u32 qp_num; |
| u32 qkey; |
| enum ib_cm_sidr_status status; |
| const void *info; |
| u8 info_length; |
| const void *private_data; |
| u8 private_data_len; |
| }; |
| |
| /** |
| * ib_send_cm_sidr_rep - Sends a service ID resolution reply to the |
| * remote node. |
| * @cm_id: Communication identifier associated with the received service ID |
| * resolution request. |
| * @param: Service ID resolution reply information. |
| */ |
| int ib_send_cm_sidr_rep(struct ib_cm_id *cm_id, |
| struct ib_cm_sidr_rep_param *param); |
| |
| #endif /* IB_CM_H */ |