diff options
Diffstat (limited to 'include/rdma/ib_cm.h')
| -rw-r--r-- | include/rdma/ib_cm.h | 129 |
1 files changed, 37 insertions, 92 deletions
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h index 7979cb04f529..4808a355de41 100644 --- a/include/rdma/ib_cm.h +++ b/include/rdma/ib_cm.h @@ -1,45 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* * 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. + * Copyright (c) 2019, Mellanox Technologies inc. All rights reserved. */ -#if !defined(IB_CM_H) + +#ifndef 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; +#include <rdma/rdma_cm.h> enum ib_cm_state { IB_CM_IDLE, @@ -120,6 +93,13 @@ struct ib_cm_req_event_param { struct sa_path_rec *primary_path; struct sa_path_rec *alternate_path; + /* + * SGID attribute of the primary path. Currently only + * useful for RoCE. Alternate path GID attributes + * are not yet supported. + */ + const struct ib_gid_attr *ppath_sgid_attr; + __be64 remote_ca_guid; u32 remote_qkey; u32 remote_qpn; @@ -134,6 +114,7 @@ struct ib_cm_req_event_param { unsigned int retry_count:3; unsigned int rnr_retry_count:3; unsigned int srq:1; + struct rdma_ucm_ece ece; }; struct ib_cm_rep_event_param { @@ -148,6 +129,7 @@ struct ib_cm_rep_event_param { unsigned int flow_control:1; unsigned int rnr_retry_count:3; unsigned int srq:1; + struct rdma_ucm_ece ece; }; enum ib_cm_rej_reason { @@ -183,7 +165,8 @@ enum ib_cm_rej_reason { 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 + IB_CM_REJ_INVALID_ALT_FLOW_LABEL = 33, + IB_CM_REJ_VENDOR_OPTION_NOT_SUPPORTED = 35, }; struct ib_cm_rej_event_param { @@ -226,6 +209,12 @@ struct ib_cm_apr_event_param { struct ib_cm_sidr_req_event_param { struct ib_cm_id *listen_id; __be64 service_id; + + /* + * SGID attribute of the request. Currently only + * useful for RoCE. + */ + const struct ib_gid_attr *sgid_attr; /* P_Key that was used by the GMP's BTH header */ u16 bth_pkey; u8 port; @@ -246,6 +235,7 @@ struct ib_cm_sidr_rep_event_param { u32 qkey; u32 qpn; void *info; + const struct ib_gid_attr *sgid_attr; u8 info_len; }; @@ -281,7 +271,7 @@ struct ib_cm_event { #define CM_APR_ATTR_ID cpu_to_be16(0x001A) /** - * ib_cm_handler - User-defined callback to process communication events. + * typedef 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. * @@ -297,14 +287,13 @@ struct ib_cm_event { * destroy the @cm_id after the callback completes. */ typedef int (*ib_cm_handler)(struct ib_cm_id *cm_id, - struct ib_cm_event *event); + const 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; @@ -350,13 +339,8 @@ void ib_destroy_cm_id(struct ib_cm_id *cm_id); * 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); +int ib_cm_listen(struct ib_cm_id *cm_id, __be64 service_id); struct ib_cm_id *ib_cm_insert_listen(struct ib_device *device, ib_cm_handler cm_handler, @@ -364,14 +348,16 @@ struct ib_cm_id *ib_cm_insert_listen(struct ib_device *device, struct ib_cm_req_param { struct sa_path_rec *primary_path; + struct sa_path_rec *primary_path_inbound; + struct sa_path_rec *primary_path_outbound; struct sa_path_rec *alternate_path; + const struct ib_gid_attr *ppath_sgid_attr; __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; @@ -381,6 +367,7 @@ struct ib_cm_req_param { u8 rnr_retry_count; u8 max_cm_retries; u8 srq; + struct rdma_ucm_ece ece; }; /** @@ -404,6 +391,7 @@ struct ib_cm_rep_param { u8 flow_control; u8 rnr_retry_count; u8 srq; + struct rdma_ucm_ece ece; }; /** @@ -492,38 +480,12 @@ int ib_send_cm_rej(struct ib_cm_id *cm_id, 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. + * ib_prepare_cm_mra - Prepares to send a message receipt acknowledgment to a + * connection message in case duplicates are received. * @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 sa_path_rec *alternate_path, - const void *private_data, - u8 private_data_len); +int ib_prepare_cm_mra(struct ib_cm_id *cm_id); /** * ib_cm_init_qp_attr - Initializes the QP attributes for use in transitioning @@ -545,29 +507,11 @@ 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 sa_path_rec *path; + const struct ib_gid_attr *sgid_attr; __be64 service_id; - int timeout_ms; + unsigned long timeout_ms; const void *private_data; u8 private_data_len; u8 max_cm_retries; @@ -591,6 +535,7 @@ struct ib_cm_sidr_rep_param { u8 info_length; const void *private_data; u8 private_data_len; + struct rdma_ucm_ece ece; }; /** |