| 1 |
cebix |
1.1 |
/* |
| 2 |
|
|
* ether_dummy.cpp - Ethernet device driver, dummy implementation |
| 3 |
|
|
* |
| 4 |
cebix |
1.3 |
* Basilisk II (C) 1997-2001 Christian Bauer |
| 5 |
cebix |
1.1 |
* |
| 6 |
|
|
* This program is free software; you can redistribute it and/or modify |
| 7 |
|
|
* it under the terms of the GNU General Public License as published by |
| 8 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
| 9 |
|
|
* (at your option) any later version. |
| 10 |
|
|
* |
| 11 |
|
|
* This program is distributed in the hope that it will be useful, |
| 12 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
|
|
* GNU General Public License for more details. |
| 15 |
|
|
* |
| 16 |
|
|
* You should have received a copy of the GNU General Public License |
| 17 |
|
|
* along with this program; if not, write to the Free Software |
| 18 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 |
|
|
*/ |
| 20 |
|
|
|
| 21 |
|
|
#include "sysdeps.h" |
| 22 |
cebix |
1.5 |
|
| 23 |
|
|
#if SUPPORTS_UDP_TUNNEL |
| 24 |
|
|
#include <netinet/in.h> |
| 25 |
|
|
#include <sys/socket.h> |
| 26 |
|
|
#endif |
| 27 |
|
|
|
| 28 |
cebix |
1.1 |
#include "cpu_emulation.h" |
| 29 |
|
|
#include "main.h" |
| 30 |
|
|
#include "macos_util.h" |
| 31 |
|
|
#include "prefs.h" |
| 32 |
|
|
#include "user_strings.h" |
| 33 |
|
|
#include "ether.h" |
| 34 |
|
|
#include "ether_defs.h" |
| 35 |
|
|
|
| 36 |
|
|
#define DEBUG 0 |
| 37 |
|
|
#include "debug.h" |
| 38 |
|
|
|
| 39 |
|
|
#define MONITOR 0 |
| 40 |
|
|
|
| 41 |
|
|
|
| 42 |
cebix |
1.5 |
// Global variables |
| 43 |
|
|
#if SUPPORTS_UDP_TUNNEL |
| 44 |
|
|
static int fd = -1; // UDP tunnel socket fd |
| 45 |
|
|
static bool udp_tunnel_active = false; |
| 46 |
|
|
#endif |
| 47 |
|
|
|
| 48 |
|
|
|
| 49 |
cebix |
1.1 |
/* |
| 50 |
|
|
* Initialization |
| 51 |
|
|
*/ |
| 52 |
|
|
|
| 53 |
cebix |
1.4 |
bool ether_init(void) |
| 54 |
cebix |
1.1 |
{ |
| 55 |
cebix |
1.6 |
return true; |
| 56 |
cebix |
1.1 |
} |
| 57 |
|
|
|
| 58 |
|
|
|
| 59 |
|
|
/* |
| 60 |
|
|
* Deinitialization |
| 61 |
|
|
*/ |
| 62 |
|
|
|
| 63 |
cebix |
1.4 |
void ether_exit(void) |
| 64 |
cebix |
1.1 |
{ |
| 65 |
|
|
} |
| 66 |
|
|
|
| 67 |
|
|
|
| 68 |
|
|
/* |
| 69 |
|
|
* Reset |
| 70 |
|
|
*/ |
| 71 |
|
|
|
| 72 |
cebix |
1.4 |
void ether_reset(void) |
| 73 |
cebix |
1.1 |
{ |
| 74 |
|
|
} |
| 75 |
|
|
|
| 76 |
|
|
|
| 77 |
|
|
/* |
| 78 |
|
|
* Add multicast address |
| 79 |
|
|
*/ |
| 80 |
|
|
|
| 81 |
|
|
int16 ether_add_multicast(uint32 pb) |
| 82 |
|
|
{ |
| 83 |
|
|
return noErr; |
| 84 |
|
|
} |
| 85 |
|
|
|
| 86 |
|
|
|
| 87 |
|
|
/* |
| 88 |
|
|
* Delete multicast address |
| 89 |
|
|
*/ |
| 90 |
|
|
|
| 91 |
|
|
int16 ether_del_multicast(uint32 pb) |
| 92 |
|
|
{ |
| 93 |
|
|
return noErr; |
| 94 |
|
|
} |
| 95 |
|
|
|
| 96 |
|
|
|
| 97 |
|
|
/* |
| 98 |
|
|
* Attach protocol handler |
| 99 |
|
|
*/ |
| 100 |
|
|
|
| 101 |
|
|
int16 ether_attach_ph(uint16 type, uint32 handler) |
| 102 |
|
|
{ |
| 103 |
|
|
return noErr; |
| 104 |
|
|
} |
| 105 |
|
|
|
| 106 |
|
|
|
| 107 |
|
|
/* |
| 108 |
|
|
* Detach protocol handler |
| 109 |
|
|
*/ |
| 110 |
|
|
|
| 111 |
|
|
int16 ether_detach_ph(uint16 type) |
| 112 |
|
|
{ |
| 113 |
|
|
return noErr; |
| 114 |
|
|
} |
| 115 |
|
|
|
| 116 |
|
|
|
| 117 |
|
|
/* |
| 118 |
|
|
* Transmit raw ethernet packet |
| 119 |
|
|
*/ |
| 120 |
|
|
|
| 121 |
|
|
int16 ether_write(uint32 wds) |
| 122 |
|
|
{ |
| 123 |
|
|
// Set source address |
| 124 |
|
|
uint32 hdr = ReadMacInt32(wds + 2); |
| 125 |
|
|
memcpy(Mac2HostAddr(hdr + 6), ether_addr, 6); |
| 126 |
|
|
return noErr; |
| 127 |
|
|
} |
| 128 |
|
|
|
| 129 |
|
|
|
| 130 |
|
|
/* |
| 131 |
cebix |
1.5 |
* Start UDP packet reception thread |
| 132 |
|
|
*/ |
| 133 |
|
|
|
| 134 |
|
|
bool ether_start_udp_thread(int socket_fd) |
| 135 |
|
|
{ |
| 136 |
|
|
#if SUPPORTS_UDP_TUNNEL |
| 137 |
|
|
fd = socket_fd; |
| 138 |
|
|
udp_tunnel_active = true; |
| 139 |
|
|
return true; |
| 140 |
|
|
#else |
| 141 |
|
|
return false; |
| 142 |
|
|
#endif |
| 143 |
|
|
} |
| 144 |
|
|
|
| 145 |
|
|
|
| 146 |
|
|
/* |
| 147 |
|
|
* Stop UDP packet reception thread |
| 148 |
|
|
*/ |
| 149 |
|
|
|
| 150 |
|
|
void ether_stop_udp_thread(void) |
| 151 |
|
|
{ |
| 152 |
|
|
#if SUPPORTS_UDP_TUNNEL |
| 153 |
|
|
udp_tunnel_active = false; |
| 154 |
|
|
#endif |
| 155 |
|
|
} |
| 156 |
|
|
|
| 157 |
|
|
|
| 158 |
|
|
/* |
| 159 |
cebix |
1.1 |
* Ethernet interrupt - activate deferred tasks to call IODone or protocol handlers |
| 160 |
|
|
*/ |
| 161 |
|
|
|
| 162 |
|
|
void EtherInterrupt(void) |
| 163 |
|
|
{ |
| 164 |
cebix |
1.5 |
#if SUPPORTS_UDP_TUNNEL |
| 165 |
|
|
if (udp_tunnel_active) { |
| 166 |
|
|
uint8 packet[1514]; |
| 167 |
|
|
ssize_t length; |
| 168 |
|
|
|
| 169 |
|
|
// Read packets from socket and hand to ether_udp_read() for processing |
| 170 |
|
|
while (true) { |
| 171 |
|
|
struct sockaddr_in from; |
| 172 |
|
|
socklen_t from_len = sizeof(from); |
| 173 |
|
|
length = recvfrom(fd, packet, 1514, 0, (struct sockaddr *)&from, &from_len); |
| 174 |
|
|
if (length < 14) |
| 175 |
|
|
break; |
| 176 |
|
|
ether_udp_read(packet, length, &from); |
| 177 |
|
|
} |
| 178 |
|
|
} |
| 179 |
|
|
#endif |
| 180 |
cebix |
1.1 |
} |
