1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief This file contains the adapter necessary for network services tests to
* run on lwIP.
*/
/*
* COPYRIGHT (c) 2023. On-Line Applications Research Corporation (OAR).
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
#include <lwip/dhcp.h>
#include <lwip/prot/dhcp.h>
#include <arch/sys_arch.h>
#include <netstart.h>
#include <bsd_compat.h>
#include <net_adapter.h>
struct netif net_interface;
int net_start()
{
ip_addr_t ipaddr, netmask, gw;
IP_ADDR4( &ipaddr, 10, 0, 2, 14 );
IP_ADDR4( &netmask, 255, 255, 255, 0 );
IP_ADDR4( &gw, 10, 0, 2, 3 );
unsigned char mac_ethernet_address[] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 };
rtems_bsd_compat_initialize();
int ret = start_networking(
&net_interface,
&ipaddr,
&netmask,
&gw,
mac_ethernet_address
);
if ( ret != 0 ) {
return ret;
}
dhcp_start( &net_interface );
/*
* Wait for DHCP bind to start NTP. lwIP does automatic address updating in
* the backend that NTP isn't prepared for which causes socket conflicts when
* the socket for the old address gets updated to the new address and NTP's
* address information for the old socket is stale. NTP tries to create a new
* socket for the new address before deleting the old one and gets an error
* because it can't bind twice to the same address. This causes NTP
* acquisition to be delayed by minutes in the worst case.
*/
volatile struct dhcp *dhcp_state = netif_dhcp_data(&net_interface);
if ( dhcp_state != NULL ) {
while (dhcp_state->state != DHCP_STATE_BOUND) {
sleep(1);
}
}
return 0;
}
|