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root/cebix/SheepShaver/src/include/ether.h
Revision: 1.4
Committed: 2005-07-03T08:23:42Z (19 years, 4 months ago) by gbeauche
Content type: text/plain
Branch: MAIN
Changes since 1.3: +35 -4 lines
Log Message:
First round of patches to increase ethernet code portability.

File Contents

# User Rev Content
1 cebix 1.1 /*
2     * ether.h - SheepShaver Ethernet Device Driver
3     *
4 gbeauche 1.3 * SheepShaver (C) 1997-2005 Marc Hellwig and 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     struct queue;
25     struct msgb;
26     typedef struct queue queue_t;
27     typedef struct msgb mblk_t;
28    
29     extern uint8 InitStreamModule(void *theID);
30     extern void TerminateStreamModule(void);
31     extern int ether_open(queue_t *rdq, void *dev, int flag, int sflag, void *creds);
32     extern int ether_close(queue_t *rdq, int flag, void *creds);
33     extern int ether_wput(queue_t *q, mblk_t *mp);
34     extern int ether_rsrv(queue_t *q);
35    
36     // System specific and internal functions/data
37     extern void EtherInit(void);
38     extern void EtherExit(void);
39    
40     extern void EtherIRQ(void);
41    
42 gbeauche 1.4 extern void AO_get_ethernet_address(uint32 addr);
43     extern void AO_enable_multicast(uint32 addr);
44     extern void AO_disable_multicast(uint32 addr);
45     extern void AO_transmit_packet(uint32 mp);
46 cebix 1.1
47     extern mblk_t *allocb(size_t size, int pri);
48     extern void OTEnterInterrupt(void);
49     extern void OTLeaveInterrupt(void);
50    
51 gbeauche 1.4 extern void ether_dispatch_packet(uint32 p, uint32 length);
52 cebix 1.1 extern void ether_packet_received(mblk_t *mp);
53    
54     extern bool ether_driver_opened;
55    
56 gbeauche 1.4 // Ethernet packet allocator (optimized for 32-bit platforms in real addressing mode)
57     class EthernetPacket {
58     #if SIZEOF_VOID_P == 4 && REAL_ADDRESSING
59     uint8 packet[1516];
60     public:
61     uint32 addr(void) const { return (uint32)packet; }
62     #else
63     uint32 packet;
64     public:
65     EthernetPacket();
66     ~EthernetPacket();
67     uint32 addr(void) const { return packet; }
68     #endif
69     };
70    
71     // Copy packet data from message block to linear buffer (must hold at
72     // least 1514 bytes), returns packet length
73     static inline int ether_msgb_to_buffer(uint32 mp, uint8 *p)
74     {
75     int len = 0;
76     while (mp) {
77     uint32 size = ReadMacInt32(mp + 16) - ReadMacInt32(mp + 12);
78     Mac2Host_memcpy(p, ReadMacInt32(mp + 12), size);
79     len += size;
80     p += size;
81     mp = ReadMacInt32(mp + 8);
82     }
83     return len;
84     }
85    
86 cebix 1.1 extern int32 num_wput;
87     extern int32 num_error_acks;
88     extern int32 num_tx_packets;
89     extern int32 num_tx_raw_packets;
90     extern int32 num_tx_normal_packets;
91     extern int32 num_tx_buffer_full;
92     extern int32 num_rx_packets;
93     extern int32 num_ether_irq;
94     extern int32 num_unitdata_ind;
95     extern int32 num_rx_fastpath;
96     extern int32 num_rx_no_mem;
97     extern int32 num_rx_dropped;
98     extern int32 num_rx_stream_not_ready;
99     extern int32 num_rx_no_unitdata_mem;
100    
101     #endif