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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: * Copyright (c) 1992 NeXT Computer, Inc.
26: *
27: * Network interface class.
28: *
29: * HISTORY
30: *
31: * 1-Nov-93 John Immordino (jimmord) at NeXT
32: * Added API to allow read access to counters and to increment counters
33: * by an arbitrary number. The latter is useful for hardware which
34: * reports statistics in bursts.
35: *
36: * 11 December 1992 David E. Bohman at NeXT
37: * Created.
38: */
39: #import <sys/types.h>
40: #import <sys/socket.h>
41: #import <sys/param.h>
42: #import <driverkit/IONetwork.h>
43: #import <sys/mbuf.h>
44: #import <net/if.h>
45: #import <netinet/in.h>
46: #import <netinet/if_ether.h>
47: #import <sys/kernel.h>
48:
49:
50: static const char IFNAME_NULL[] = "null";
51:
52: @implementation IONetwork
53:
54: - initForNetworkDevice:device
55: name:(const char *)name
56: unit:(unsigned int)unit
57: type:(const char *)type
58: maxTransferUnit:(unsigned int)mtu
59: flags:(unsigned int)flags
60: {
61: struct ifnet *ifp;
62: int reuse;
63:
64: [super init];
65:
66: ifp = [device allocateIfnet];
67: if(ifp == (struct ifnet *)NULL) return (0);
68: bzero((caddr_t)ifp, sizeof(struct ifnet));
69:
70: ifp->if_name = (char *)name;
71: ifp->if_type = (char *)type;
72: ifp->if_unit = unit;
73: ifp->if_mtu = mtu;
74: ifp->if_flags = flags;
75: ifp->if_private = device;
76:
77: #if defined(i386) && 0 // XXX fix later
78: /*************************************************
79: * This code sets the hostid global variable for *
80: * the i386 achitecure only. Refer to Tracker *
81: * #35253 - JI *
82: *************************************************/
83:
84: /*
85: * Do this only if hostid hasn't been set already.
86: */
87: if (hostid == 0) {
88: unsigned char hardwareAddr[6];
89:
90: /*
91: * Get the hardware address for this interface.
92: */
93: if (if_control((netif_t)ifp, IFCONTROL_GETADDR,
94: (void *)&hardwareAddr) == 0) {
95:
96: /*
97: * Xor the first 2 bytes into the
98: * middle 2 bytes, then set hostid.
99: */
100: hardwareAddr[2] ^= hardwareAddr[0];
101: hardwareAddr[3] ^= hardwareAddr[1];
102: hostid = NXSwapHostLongToBig(*(long *)&hardwareAddr[2]);
103: }
104: }
105: #endif i386
106:
107: _ifp = ifp;
108: _device = device;
109:
110: return self;
111: }
112:
113: - free
114: {
115: return [super free];
116: }
117:
118: - (int)handleInputPacket:(netbuf_t)pkt extra:(void *)extra
119: {
120: if (_device == nil)
121: return -1;
122:
123: return [_device inputPacket:pkt extra:(void *)extra];
124: }
125:
126: - (unsigned)inputPackets
127: {
128: return (_ifp->if_ipackets);
129: }
130:
131: - (void)incrementInputPackets
132: {
133: _ifp->if_ipackets++;
134:
135: }
136:
137: - (void)incrementInputPacketsBy:(unsigned)increment
138: {
139: _ifp->if_ipackets += increment;
140: }
141:
142: - (unsigned)inputErrors
143: {
144: return (_ifp->if_ierrors);
145: }
146:
147: - (void)incrementInputErrors
148: {
149: _ifp->if_ierrors++;
150: }
151:
152: - (void)incrementInputErrorsBy:(unsigned)increment
153: {
154: _ifp->if_ierrors += increment;
155: }
156:
157: - (unsigned)outputPackets
158: {
159: return (_ifp->if_opackets);
160: }
161:
162: - (void)incrementOutputPackets
163: {
164: _ifp->if_opackets++;
165: }
166:
167: - (void)incrementOutputPacketsBy:(unsigned)increment
168: {
169: _ifp->if_opackets += increment;
170: }
171:
172: - (unsigned)outputErrors
173: {
174: return (_ifp->if_oerrors);
175: }
176:
177: - (void)incrementOutputErrors
178: {
179: _ifp->if_oerrors++;
180: }
181:
182: - (void)incrementOutputErrorsBy:(unsigned)increment
183: {
184: _ifp->if_oerrors += increment;
185: }
186:
187: - (unsigned)collisions
188: {
189: return (_ifp->if_collisions);
190: }
191:
192: - (void)incrementCollisions
193: {
194: _ifp->if_collisions++;
195: }
196:
197: - (void)incrementCollisionsBy:(unsigned)increment
198: {
199: _ifp->if_collisions += increment;
200: }
201:
202: - (struct ifnet *)getIONetworkIfnet
203: {
204: return(_ifp);
205: }
206:
207: - property_IODeviceClass:(char *)classes length:(unsigned int *)maxLen
208: {
209: strcpy( classes, IOClassNetwork);
210: return( self);
211: }
212:
213: @end
214:
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