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root/cebix/BasiliskII/src/dummy/ether_dummy.cpp

Comparing BasiliskII/src/dummy/ether_dummy.cpp (file contents):
Revision 1.2 by cebix, 2000-04-10T18:53:21Z vs.
Revision 1.5 by cebix, 2001-07-14T20:01:20Z

#	Line 1 | Line 1
1		/*
2		*  ether_dummy.cpp - Ethernet device driver, dummy implementation
3		*
4	<	*  Basilisk II (C) 1997-2000 Christian Bauer
4	>	*  Basilisk II (C) 1997-2001 Christian Bauer
5		*
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
#	Line 19 | Line 19
19		*/
20
21		#include "sysdeps.h"
22	+
23	+	#if SUPPORTS_UDP_TUNNEL
24	+	#include <netinet/in.h>
25	+	#include <sys/socket.h>
26	+	#endif
27	+
28		#include "cpu_emulation.h"
29		#include "main.h"
30		#include "macos_util.h"
#	Line 33 | Line 39
39		#define MONITOR 0
40
41
42	+	// 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		/*
50		*  Initialization
51		*/
52
53	<	void EtherInit(void)
53	>	bool ether_init(void)
54		{
55		}
56
#	Line 46 | Line 59 | void EtherInit(void)
59		*  Deinitialization
60		*/
61
62	<	void EtherExit(void)
62	>	void ether_exit(void)
63		{
64		}
65
#	Line 55 | Line 68 | void EtherExit(void)
68		*  Reset
69		*/
70
71	<	void EtherReset(void)
71	>	void ether_reset(void)
72		{
73		}
74
#	Line 114 | Line 127 | int16 ether_write(uint32 wds)
127
128
129		/*
130	+	*  Start UDP packet reception thread
131	+	*/
132	+
133	+	bool ether_start_udp_thread(int socket_fd)
134	+	{
135	+	#if SUPPORTS_UDP_TUNNEL
136	+	fd = socket_fd;
137	+	udp_tunnel_active = true;
138	+	return true;
139	+	#else
140	+	return false;
141	+	#endif
142	+	}
143	+
144	+
145	+	/*
146	+	*  Stop UDP packet reception thread
147	+	*/
148	+
149	+	void ether_stop_udp_thread(void)
150	+	{
151	+	#if SUPPORTS_UDP_TUNNEL
152	+	udp_tunnel_active = false;
153	+	#endif
154	+	}
155	+
156	+
157	+	/*
158		*  Ethernet interrupt - activate deferred tasks to call IODone or protocol handlers
159		*/
160
161		void EtherInterrupt(void)
162		{
163	+	#if SUPPORTS_UDP_TUNNEL
164	+	if (udp_tunnel_active) {
165	+	uint8 packet[1514];
166	+	ssize_t length;
167	+
168	+	// Read packets from socket and hand to ether_udp_read() for processing
169	+	while (true) {
170	+	struct sockaddr_in from;
171	+	socklen_t from_len = sizeof(from);
172	+	length = recvfrom(fd, packet, 1514, 0, (struct sockaddr *)&from, &from_len);
173	+	if (length < 14)
174	+	break;
175	+	ether_udp_read(packet, length, &from);
176	+	}
177	+	}
178	+	#endif
179		}

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