198 lines
6.2 KiB
C
198 lines
6.2 KiB
C
/****************************************************************************
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(c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
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www.systec-electronic.com
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Project: openPOWERLINK
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Description: Wrapper for BSD socket API for Linux kernel
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License:
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of SYSTEC electronic GmbH nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without prior written permission. For written
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permission, please contact info@systec-electronic.com.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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Severability Clause:
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If a provision of this License is or becomes illegal, invalid or
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unenforceable in any jurisdiction, that shall not affect:
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1. the validity or enforceability in that jurisdiction of any other
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provision of this License; or
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2. the validity or enforceability in other jurisdictions of that or
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any other provision of this License.
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-------------------------------------------------------------------------
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$RCSfile: SocketLinuxKernel.c,v $
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$Author: D.Krueger $
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$Revision: 1.3 $ $Date: 2008/04/17 21:36:32 $
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$State: Exp $
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Build Environment:
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Dev C++ and GNU-Compiler for m68k
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-------------------------------------------------------------------------
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Revision History:
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2006/08/25 d.k.: start of implementation
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****************************************************************************/
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#include <linux/net.h>
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#include <linux/in.h>
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#include "SocketLinuxKernel.h"
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/***************************************************************************/
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/* */
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/* */
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/* G L O B A L D E F I N I T I O N S */
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/* */
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/* */
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/***************************************************************************/
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//---------------------------------------------------------------------------
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// const defines
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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// local types
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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// modul globale vars
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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// local function prototypes
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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// Kernel Module specific Data Structures
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//---------------------------------------------------------------------------
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//=========================================================================//
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// //
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// P U B L I C F U N C T I O N S //
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// //
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//=========================================================================//
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//---------------------------------------------------------------------------
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//
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// Function:
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//
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// Description:
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//
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//
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//
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// Parameters:
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//
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//
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// Returns:
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//
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//
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// State:
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//
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//---------------------------------------------------------------------------
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SOCKET socket(int af, int type, int protocol)
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{
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int rc;
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SOCKET socket;
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rc = sock_create_kern(af, type, protocol, &socket);
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if (rc < 0) {
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socket = NULL;
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goto Exit;
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}
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Exit:
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return socket;
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}
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int bind(SOCKET socket_p, const struct sockaddr *addr, int addrlen)
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{
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int rc;
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rc = socket_p->ops->bind(socket_p, (struct sockaddr *)addr, addrlen);
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return rc;
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}
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int closesocket(SOCKET socket_p)
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{
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sock_release(socket_p);
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return 0;
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}
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int recvfrom(SOCKET socket_p, char *buf, int len, int flags,
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struct sockaddr *from, int *fromlen)
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{
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int rc;
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struct msghdr msg;
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struct kvec iov;
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msg.msg_control = NULL;
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msg.msg_controllen = 0;
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msg.msg_name = from; // will be struct sock_addr
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msg.msg_namelen = *fromlen;
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iov.iov_len = len;
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iov.iov_base = buf;
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rc = kernel_recvmsg(socket_p, &msg, &iov, 1, iov.iov_len, 0);
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return rc;
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}
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int sendto(SOCKET socket_p, const char *buf, int len, int flags,
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const struct sockaddr *to, int tolen)
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{
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int rc;
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struct msghdr msg;
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struct kvec iov;
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msg.msg_control = NULL;
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msg.msg_controllen = 0;
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msg.msg_name = (struct sockaddr *)to; // will be struct sock_addr
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msg.msg_namelen = tolen;
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msg.msg_flags = 0;
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iov.iov_len = len;
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iov.iov_base = (char *)buf;
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rc = kernel_sendmsg(socket_p, &msg, &iov, 1, len);
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return rc;
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}
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// EOF
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