2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A/*
2N/A *
2N/A * MODULE: dapl_ep_post_recv.c
2N/A *
2N/A * PURPOSE: Endpoint management
2N/A * Description: Interfaces in this file are completely described in
2N/A * the DAPL 1.1 API, Chapter 6, section 5
2N/A *
2N/A * $Id: dapl_ep_post_recv.c,v 1.17 2003/07/30 18:13:37 hobie16 Exp $
2N/A */
2N/A
2N/A#include "dapl.h"
2N/A#include "dapl_cookie.h"
2N/A#include "dapl_adapter_util.h"
2N/A
2N/A/*
2N/A * dapl_ep_post_recv
2N/A *
2N/A * DAPL Requirements Version xxx, 6.5.11
2N/A *
2N/A * Request to receive data over the connection of ep handle into
2N/A * local_iov
2N/A *
2N/A * Input:
2N/A * ep_handle
2N/A * num_segments
2N/A * local_iov
2N/A * user_cookie
2N/A * completion_flags
2N/A *
2N/A * Output:
2N/A * None.
2N/A *
2N/A * Returns:
2N/A * DAT_SUCCESS
2N/A * DAT_INSUFFICIENT_RESOURCES
2N/A * DAT_INVALID_PARAMETER
2N/A * DAT_INVALID_STATE
2N/A * DAT_PROTECTION_VIOLATION
2N/A * DAT_PROVILEGES_VIOLATION
2N/A */
2N/ADAT_RETURN
2N/Adapl_ep_post_recv(
2N/A IN DAT_EP_HANDLE ep_handle,
2N/A IN DAT_COUNT num_segments,
2N/A IN DAT_LMR_TRIPLET *local_iov,
2N/A IN DAT_DTO_COOKIE user_cookie,
2N/A IN DAT_COMPLETION_FLAGS completion_flags)
2N/A{
2N/A DAPL_EP *ep_ptr;
2N/A DAPL_COOKIE *cookie;
2N/A DAT_RETURN dat_status;
2N/A
2N/A dapl_dbg_log(DAPL_DBG_TYPE_API,
2N/A "dapl_ep_post_recv (%p, %d, %p, %P, %x)\n",
2N/A ep_handle,
2N/A num_segments,
2N/A local_iov,
2N/A user_cookie.as_64,
2N/A completion_flags);
2N/A
2N/A if (DAPL_BAD_HANDLE(ep_handle, DAPL_MAGIC_EP)) {
2N/A dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
2N/A DAT_INVALID_HANDLE_EP);
2N/A goto bail;
2N/A }
2N/A
2N/A ep_ptr = (DAPL_EP *) ep_handle;
2N/A
2N/A /* dat_ep_post_recv is not supported on EPs with SRQ */
2N/A if (ep_ptr->srq_attached) {
2N/A dat_status = DAT_ERROR(DAT_INVALID_STATE, 0);
2N/A goto bail;
2N/A }
2N/A
2N/A /*
2N/A * Synchronization ok since this buffer is only used for receive
2N/A * requests, which aren't allowed to race with each other.
2N/A */
2N/A dat_status = dapls_dto_cookie_alloc(&ep_ptr->recv_buffer,
2N/A DAPL_DTO_TYPE_RECV,
2N/A user_cookie,
2N/A &cookie);
2N/A if (DAT_SUCCESS != dat_status) {
2N/A goto bail;
2N/A }
2N/A
2N/A /*
2N/A * Invoke provider specific routine to post DTO
2N/A */
2N/A if (num_segments != 1 ||
2N/A completion_flags != DAT_COMPLETION_DEFAULT_FLAG)
2N/A dat_status = dapls_ib_post_recv(ep_ptr, cookie, num_segments,
2N/A local_iov, completion_flags);
2N/A else
2N/A dat_status = dapls_ib_post_recv_one(ep_ptr, cookie, local_iov);
2N/A
2N/A if (dat_status != DAT_SUCCESS) {
2N/A dapls_cookie_dealloc(&ep_ptr->recv_buffer, cookie);
2N/A } else {
2N/A dapl_os_atomic_inc(&ep_ptr->recv_count);
2N/A }
2N/A
2N/Abail:
2N/A dapl_dbg_log(DAPL_DBG_TYPE_RTN,
2N/A "dapl_ep_post_recv () returns 0x%x\n", dat_status);
2N/A
2N/A return (dat_status);
2N/A}