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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /*
26: * Copyright (c) 1995-1996 NeXT Software, Inc.
27: *
28: * Interface definition for the Mace Ethernet chip
29: *
30: * HISTORY
31: *
32: * 16-Sept-97
33: * Created.
34: */
35:
36: #import <driverkit/kernelDriver.h>
37: #import <driverkit/IOEthernet.h>
38: #import <driverkit/IONetbufQueue.h>
39: #import <driverkit/ppc/IOTreeDevice.h>
40: #import <driverkit/ppc/IODBDMA.h>
41: #import <driverkit/generalFuncs.h>
42: #import <driverkit/IOPower.h>
43: #import <machdep/ppc/proc_reg.h> /* eieio */
44: #import <bsd/net/etherdefs.h>
45: #import <string.h> /* bcopy */
46: #import <driverkit/IOEthernetPrivate.h> /* debugger methods */
47: #import <kern/kdebug.h> /* Performance tracepoints */
48:
49:
50: #import "MaceEnetRegisters.h"
51:
52: #if 0
53: #define IOLog kprintf
54: #endif
55:
56: typedef void * IOPPCAddress;
57:
58: typedef struct enet_dma_cmd_t
59: {
60: IODBDMADescriptor desc_seg[2];
61: } enet_dma_cmd_t;
62:
63: typedef struct enet_txdma_cmd_t
64: {
65: IODBDMADescriptor desc_seg[4];
66: } enet_txdma_cmd_t;
67:
68: @interface MaceEnet:IOEthernet <IOPower>
69: {
70: volatile IOPPCAddress ioBaseEnet;
71: volatile IOPPCAddress ioBaseEnetROM;
72: volatile IODBDMAChannelRegisters *ioBaseEnetRxDMA;
73: volatile IODBDMAChannelRegisters *ioBaseEnetTxDMA;
74:
75: u_int16_t chipId;
76:
77: enet_addr_t myAddress;
78: IONetwork *networkInterface;
79: IONetbufQueue *transmitQueue;
80: BOOL isPromiscuous;
81: BOOL multicastEnabled;
82:
83: BOOL resetAndEnabled;
84: netbuf_t txNetbuf[TX_RING_LENGTH];
85: netbuf_t rxNetbuf[RX_RING_LENGTH];
86:
87: unsigned int txCommandHead; /* Transmit ring descriptor index */
88: unsigned int txCommandTail;
89: unsigned int txMaxCommand;
90: unsigned int rxCommandHead; /* Receive ring descriptor index */
91: unsigned int rxCommandTail;
92: unsigned int rxMaxCommand;
93:
94: unsigned char * dmaCommands;
95: enet_txdma_cmd_t * txDMACommands; /* TX descriptor ring ptr */
96: unsigned int txDMACommandsPhys;
97:
98: enet_dma_cmd_t * rxDMACommands; /* RX descriptor ring ptr */
99: unsigned int rxDMACommandsPhys;
100:
101: u_int32_t txWDInterrupts;
102: u_int32_t txWDTimeouts;
103: BOOL txWDForceReset;
104:
105: netbuf_t debuggerPkt;
106: u_int32_t debuggerPktSize;
107:
108: u_int16_t hashTableUseCount[64];
109: u_int8_t hashTableMask[8];
110: }
111:
112: + (BOOL)probe:devDesc;
113: - initFromDeviceDescription:devDesc;
114:
115: - free;
116: - (void)transmit:(netbuf_t)pkt;
117: - (void)serviceTransmitQueue;
118: - (BOOL)resetAndEnable:(BOOL)enable;
119:
120: - (void)interruptOccurredAt:(int)irqNum;
121: - (void)timeoutOccurred;
122:
123: - (BOOL)enableMulticastMode;
124: - (void)disableMulticastMode;
125: - (BOOL)enablePromiscuousMode;
126: - (void)disablePromiscuousMode;
127:
128: /*
129: * Kernel Debugger
130: */
131: - (void)sendPacket:(void *)pkt length:(unsigned int)pkt_len;
132: - (void)receivePacket:(void *)pkt length:(unsigned int *)pkt_len timeout:(unsigned int)timeout;
133:
134:
135: /*
136: * Power management methods.
137: */
138: - (IOReturn)getPowerState:(PMPowerState *)state_p;
139: - (IOReturn)setPowerState:(PMPowerState)state;
140: - (IOReturn)getPowerManagement:(PMPowerManagementState *)state_p;
141: - (IOReturn)setPowerManagement:(PMPowerManagementState)state;
142:
143: /*
144: * Queue interface
145: */
146: - (int) transmitQueueSize;
147: - (int) transmitQueueCount;
148:
149: @end
150:
151: /*
152: * Performance tracepoints
153: *
154: * DBG_MACE_RXIRQ - Receive ISR run time
155: * DBG_MACE_TXIRQ - Transmit ISR run time
156: * DBG_MACE_TXQUEUE - Transmit packet passed from network stack
157: * DBG_MACE_TXCOMPLETE - Transmit packet sent
158: * DBG_MACE_RXCOMPLETE - Receive packet passed to network stack
159: */
160: #define DBG_MACE_ENET 0x0800
161: #define DBG_MACE_RXIRQ DRVDBG_CODE(DBG_DRVNETWORK,(DBG_MACE_ENET+1))
162: #define DBG_MACE_TXIRQ DRVDBG_CODE(DBG_DRVNETWORK,(DBG_MACE_ENET+2))
163: #define DBG_MACE_TXQUEUE DRVDBG_CODE(DBG_DRVNETWORK,(DBG_MACE_ENET+3))
164: #define DBG_MACE_TXCOMPLETE DRVDBG_CODE(DBG_DRVNETWORK,(DBG_MACE_ENET+4))
165: #define DBG_MACE_RXCOMPLETE DRVDBG_CODE(DBG_DRVNETWORK,(DBG_MACE_ENET+5))
166:
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