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