Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/****************************************************************************
2
3 (c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
4 www.systec-electronic.com
5
6 Project: openPOWERLINK
7
8 Description: Wrapper for BSD socket API for Linux kernel
9
10 License:
11
12 Redistribution and use in source and binary forms, with or without
13 modification, are permitted provided that the following conditions
14 are met:
15
16 1. Redistributions of source code must retain the above copyright
17 notice, this list of conditions and the following disclaimer.
18
19 2. Redistributions in binary form must reproduce the above copyright
20 notice, this list of conditions and the following disclaimer in the
21 documentation and/or other materials provided with the distribution.
22
23 3. Neither the name of SYSTEC electronic GmbH nor the names of its
24 contributors may be used to endorse or promote products derived
25 from this software without prior written permission. For written
26 permission, please contact info@systec-electronic.com.
27
28 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
31 FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
32 COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
33 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
34 BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
35 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
36 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
38 ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39 POSSIBILITY OF SUCH DAMAGE.
40
41 Severability Clause:
42
43 If a provision of this License is or becomes illegal, invalid or
44 unenforceable in any jurisdiction, that shall not affect:
45 1. the validity or enforceability in that jurisdiction of any other
46 provision of this License; or
47 2. the validity or enforceability in other jurisdictions of that or
48 any other provision of this License.
49
50 -------------------------------------------------------------------------
51
52 $RCSfile: SocketLinuxKernel.c,v $
53
54 $Author: D.Krueger $
55
56 $Revision: 1.3 $ $Date: 2008/04/17 21:36:32 $
57
58 $State: Exp $
59
60 Build Environment:
61 Dev C++ and GNU-Compiler for m68k
62
63 -------------------------------------------------------------------------
64
65 Revision History:
66
67 2006/08/25 d.k.: start of implementation
68
69****************************************************************************/
70
71#include <linux/net.h>
72#include <linux/in.h>
73#include "SocketLinuxKernel.h"
74
75/***************************************************************************/
76/* */
77/* */
78/* G L O B A L D E F I N I T I O N S */
79/* */
80/* */
81/***************************************************************************/
82
83//---------------------------------------------------------------------------
84// const defines
85//---------------------------------------------------------------------------
86
87//---------------------------------------------------------------------------
88// local types
89//---------------------------------------------------------------------------
90
91//---------------------------------------------------------------------------
92// modul globale vars
93//---------------------------------------------------------------------------
94
95//---------------------------------------------------------------------------
96// local function prototypes
97//---------------------------------------------------------------------------
98
99//---------------------------------------------------------------------------
100// Kernel Module specific Data Structures
101//---------------------------------------------------------------------------
102
103//=========================================================================//
104// //
105// P U B L I C F U N C T I O N S //
106// //
107//=========================================================================//
108
109//---------------------------------------------------------------------------
110//
111// Function:
112//
113// Description:
114//
115//
116//
117// Parameters:
118//
119//
120// Returns:
121//
122//
123// State:
124//
125//---------------------------------------------------------------------------
126
127SOCKET socket(int af, int type, int protocol)
128{
129 int rc;
130 SOCKET socket;
131
132 rc = sock_create_kern(af, type, protocol, &socket);
133 if (rc < 0) {
134 socket = NULL;
135 goto Exit;
136 }
137
138 Exit:
139 return socket;
140}
141
142int bind(SOCKET socket_p, const struct sockaddr *addr, int addrlen)
143{
144 int rc;
145
146 rc = socket_p->ops->bind(socket_p, (struct sockaddr *)addr, addrlen);
147
148 return rc;
149}
150
151int closesocket(SOCKET socket_p)
152{
153 sock_release(socket_p);
154
155 return 0;
156}
157
158int recvfrom(SOCKET socket_p, char *buf, int len, int flags,
159 struct sockaddr *from, int *fromlen)
160{
161 int rc;
162 struct msghdr msg;
163 struct kvec iov;
164
165 msg.msg_control = NULL;
166 msg.msg_controllen = 0;
167 msg.msg_name = from; // will be struct sock_addr
168 msg.msg_namelen = *fromlen;
169 iov.iov_len = len;
170 iov.iov_base = buf;
171
172 rc = kernel_recvmsg(socket_p, &msg, &iov, 1, iov.iov_len, 0);
173
174 return rc;
175}
176
177int sendto(SOCKET socket_p, const char *buf, int len, int flags,
178 const struct sockaddr *to, int tolen)
179{
180 int rc;
181 struct msghdr msg;
182 struct kvec iov;
183
184 msg.msg_control = NULL;
185 msg.msg_controllen = 0;
186 msg.msg_name = (struct sockaddr *)to; // will be struct sock_addr
187 msg.msg_namelen = tolen;
188 msg.msg_flags = 0;
189 iov.iov_len = len;
190 iov.iov_base = (char *)buf;
191
192 rc = kernel_sendmsg(socket_p, &msg, &iov, 1, len);
193
194 return rc;
195}
196
197// EOF