src/include/ether.h

/*
 *  ether.h - Ethernet device driver
 *
 *  Basilisk II (C) 1997-2001 Christian Bauer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef ETHER_H
#define ETHER_H

struct sockaddr_in;

extern void EtherInit(void);
extern void EtherExit(void);

extern int16 EtherOpen(uint32 pb, uint32 dce);
extern int16 EtherControl(uint32 pb, uint32 dce);
extern void EtherReadPacket(uint8 **src, uint32 &dest, uint32 &len, uint32 &remaining);

// System specific and internal functions/data
extern void EtherReset(void);
extern void EtherInterrupt(void);

extern bool ether_init(void);
extern void ether_exit(void);
extern void ether_reset(void);
extern int16 ether_add_multicast(uint32 pb);
extern int16 ether_del_multicast(uint32 pb);
extern int16 ether_attach_ph(uint16 type, uint32 handler);
extern int16 ether_detach_ph(uint16 type);
extern int16 ether_write(uint32 wds);
extern bool ether_start_udp_thread(int socket_fd);
extern void ether_stop_udp_thread(void);
extern void ether_udp_read(uint8 *packet, int length, struct sockaddr_in *from);

extern uint8 ether_addr[6];     // Ethernet address (set by ether_init())

// Ethernet driver data in MacOS RAM
enum {
        ed_DeferredTask = 0,    // Deferred Task struct
        ed_Code = 20,                   // DT code is stored here
        ed_Result = 30,                 // Result for DT
        ed_DCE = 34,                    // DCE for DT (must come directly behind ed_Result)
        ed_RHA = 38,                    // Read header area
        ed_ReadPacket = 52,             // ReadPacket/ReadRest routines
        SIZEOF_etherdata = 76
};

extern uint32 ether_data;       // Mac address of driver data in MacOS RAM

// Copy packet data from WDS to linear buffer (must hold at least 1514 bytes),
// returns packet length
static inline int ether_wds_to_buffer(uint32 wds, uint8 *p)
{
        int len = 0;
        while (len < 1514) {
                int w = ReadMacInt16(wds);
                if (w == 0)
                        break;
                Mac2Host_memcpy(p, ReadMacInt32(wds + 2), w);
                len += w;
                p += w;
                wds += 6;
        }
        return len;
}

#endif
Revision:	1.5
Committed:	2001-07-13T15:39:25Z (23 years, 4 months ago) by cebix
Content type:	text/plain
Branch:	MAIN
Changes since 1.4:	+1 -0 lines
Log Message:	- updated the TECH document - EtherReset() clears the UDP protocol list - audio_oss_esd.cpp: AudioExit() calls close_audio() - ether_unix.cpp: uses map<> for protocol handlers - updated audio_dummy.cpp and ether_dummy.cpp
#	User	Rev	Content
1	cebix	1.1	/*
2			* ether.h - Ethernet device driver
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			#ifndef ETHER_H
22			#define ETHER_H
23
24	cebix	1.4	struct sockaddr_in;
25
26			extern void EtherInit(void);
27			extern void EtherExit(void);
28
29	cebix	1.1	extern int16 EtherOpen(uint32 pb, uint32 dce);
30			extern int16 EtherControl(uint32 pb, uint32 dce);
31			extern void EtherReadPacket(uint8 **src, uint32 &dest, uint32 &len, uint32 &remaining);
32
33			// System specific and internal functions/data
34			extern void EtherReset(void);
35			extern void EtherInterrupt(void);
36
37	cebix	1.4	extern bool ether_init(void);
38			extern void ether_exit(void);
39	cebix	1.5	extern void ether_reset(void);
40	cebix	1.1	extern int16 ether_add_multicast(uint32 pb);
41			extern int16 ether_del_multicast(uint32 pb);
42			extern int16 ether_attach_ph(uint16 type, uint32 handler);
43			extern int16 ether_detach_ph(uint16 type);
44			extern int16 ether_write(uint32 wds);
45	cebix	1.4	extern bool ether_start_udp_thread(int socket_fd);
46			extern void ether_stop_udp_thread(void);
47			extern void ether_udp_read(uint8 packet, int length, struct sockaddr_in from);
48	cebix	1.1
49	cebix	1.4	extern uint8 ether_addr[6]; // Ethernet address (set by ether_init())
50	cebix	1.1
51			// Ethernet driver data in MacOS RAM
52			enum {
53			ed_DeferredTask = 0, // Deferred Task struct
54			ed_Code = 20, // DT code is stored here
55			ed_Result = 30, // Result for DT
56			ed_DCE = 34, // DCE for DT (must come directly behind ed_Result)
57			ed_RHA = 38, // Read header area
58			ed_ReadPacket = 52, // ReadPacket/ReadRest routines
59			SIZEOF_etherdata = 76
60			};
61
62			extern uint32 ether_data; // Mac address of driver data in MacOS RAM
63	cebix	1.4
64			// Copy packet data from WDS to linear buffer (must hold at least 1514 bytes),
65			// returns packet length
66			static inline int ether_wds_to_buffer(uint32 wds, uint8 *p)
67			{
68			int len = 0;
69			while (len < 1514) {
70			int w = ReadMacInt16(wds);
71			if (w == 0)
72			break;
73			Mac2Host_memcpy(p, ReadMacInt32(wds + 2), w);
74			len += w;
75			p += w;
76			wds += 6;
77			}
78			return len;
79			}
80	cebix	1.1
81			#endif