1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
/*
* Copyright (c) 1997-2000 LAN Media Corporation (LMC)
* All rights reserved. www.lanmedia.com
*
* This code is written by:
* Andrew Stanley-Jones (asj@cban.com)
* Rob Braun (bbraun@vix.com),
* Michael Graff (explorer@vix.com) and
* Matt Thomas (matt@3am-software.com).
*
* With Help By:
* David Boggs
* Ron Crane
* Allan Cox
*
* This software may be used and distributed according to the terms
* of the GNU General Public License version 2, incorporated herein by reference.
*
* Driver for the LanMedia LMC5200, LMC5245, LMC1000, LMC1200 cards.
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/ptrace.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/in.h>
#include <linux/if_arp.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/inet.h>
#include <linux/workqueue.h>
#include <linux/proc_fs.h>
#include <linux/bitops.h>
#include <net/syncppp.h>
#include <asm/processor.h> /* Processor type for cache alignment. */
#include <asm/io.h>
#include <asm/dma.h>
#include <linux/smp.h>
#include "lmc.h"
#include "lmc_var.h"
#include "lmc_debug.h"
#include "lmc_ioctl.h"
#include "lmc_proto.h"
/*
* The compile-time variable SPPPSTUP causes the module to be
* compiled without referencing any of the sync ppp routines.
*/
#ifdef SPPPSTUB
#define SPPP_detach(d) (void)0
#define SPPP_open(d) 0
#define SPPP_reopen(d) (void)0
#define SPPP_close(d) (void)0
#define SPPP_attach(d) (void)0
#define SPPP_do_ioctl(d,i,c) -EOPNOTSUPP
#else
#define SPPP_attach(x) sppp_attach((x)->pd)
#define SPPP_detach(x) sppp_detach((x)->pd->dev)
#define SPPP_open(x) sppp_open((x)->pd->dev)
#define SPPP_reopen(x) sppp_reopen((x)->pd->dev)
#define SPPP_close(x) sppp_close((x)->pd->dev)
#define SPPP_do_ioctl(x, y, z) sppp_do_ioctl((x)->pd->dev, (y), (z))
#endif
// init
void lmc_proto_init(lmc_softc_t *sc) /*FOLD00*/
{
lmc_trace(sc->lmc_device, "lmc_proto_init in");
switch(sc->if_type){
case LMC_PPP:
sc->pd = kmalloc(sizeof(struct ppp_device), GFP_KERNEL);
if (!sc->pd) {
printk("lmc_proto_init(): kmalloc failure!\n");
return;
}
sc->pd->dev = sc->lmc_device;
sc->if_ptr = sc->pd;
break;
case LMC_RAW:
break;
default:
break;
}
lmc_trace(sc->lmc_device, "lmc_proto_init out");
}
// attach
void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/
{
lmc_trace(sc->lmc_device, "lmc_proto_attach in");
switch(sc->if_type){
case LMC_PPP:
{
struct net_device *dev = sc->lmc_device;
SPPP_attach(sc);
dev->do_ioctl = lmc_ioctl;
}
break;
case LMC_NET:
{
struct net_device *dev = sc->lmc_device;
/*
* They set a few basics because they don't use sync_ppp
*/
dev->flags |= IFF_POINTOPOINT;
dev->hard_header = NULL;
dev->hard_header_len = 0;
dev->addr_len = 0;
}
case LMC_RAW: /* Setup the task queue, maybe we should notify someone? */
{
}
default:
break;
}
lmc_trace(sc->lmc_device, "lmc_proto_attach out");
}
// detach
void lmc_proto_detach(lmc_softc_t *sc) /*FOLD00*/
{
switch(sc->if_type){
case LMC_PPP:
SPPP_detach(sc);
break;
case LMC_RAW: /* Tell someone we're detaching? */
break;
default:
break;
}
}
// reopen
void lmc_proto_reopen(lmc_softc_t *sc) /*FOLD00*/
{
lmc_trace(sc->lmc_device, "lmc_proto_reopen in");
switch(sc->if_type){
case LMC_PPP:
SPPP_reopen(sc);
break;
case LMC_RAW: /* Reset the interface after being down, prerape to receive packets again */
break;
default:
break;
}
lmc_trace(sc->lmc_device, "lmc_proto_reopen out");
}
// ioctl
int lmc_proto_ioctl(lmc_softc_t *sc, struct ifreq *ifr, int cmd) /*FOLD00*/
{
lmc_trace(sc->lmc_device, "lmc_proto_ioctl out");
switch(sc->if_type){
case LMC_PPP:
return SPPP_do_ioctl (sc, ifr, cmd);
break;
default:
return -EOPNOTSUPP;
break;
}
lmc_trace(sc->lmc_device, "lmc_proto_ioctl out");
}
// open
void lmc_proto_open(lmc_softc_t *sc) /*FOLD00*/
{
int ret;
lmc_trace(sc->lmc_device, "lmc_proto_open in");
switch(sc->if_type){
case LMC_PPP:
ret = SPPP_open(sc);
if(ret < 0)
printk("%s: syncPPP open failed: %d\n", sc->name, ret);
break;
case LMC_RAW: /* We're about to start getting packets! */
break;
default:
break;
}
lmc_trace(sc->lmc_device, "lmc_proto_open out");
}
// close
void lmc_proto_close(lmc_softc_t *sc) /*FOLD00*/
{
lmc_trace(sc->lmc_device, "lmc_proto_close in");
switch(sc->if_type){
case LMC_PPP:
SPPP_close(sc);
break;
case LMC_RAW: /* Interface going down */
break;
default:
break;
}
lmc_trace(sc->lmc_device, "lmc_proto_close out");
}
unsigned short lmc_proto_type(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/
{
lmc_trace(sc->lmc_device, "lmc_proto_type in");
switch(sc->if_type){
case LMC_PPP:
return htons(ETH_P_WAN_PPP);
break;
case LMC_NET:
return htons(ETH_P_802_2);
break;
case LMC_RAW: /* Packet type for skbuff kind of useless */
return htons(ETH_P_802_2);
break;
default:
printk(KERN_WARNING "%s: No protocol set for this interface, assuming 802.2 (which is wrong!!)\n", sc->name);
return htons(ETH_P_802_2);
break;
}
lmc_trace(sc->lmc_device, "lmc_proto_tye out");
}
void lmc_proto_netif(lmc_softc_t *sc, struct sk_buff *skb) /*FOLD00*/
{
lmc_trace(sc->lmc_device, "lmc_proto_netif in");
switch(sc->if_type){
case LMC_PPP:
case LMC_NET:
default:
skb->dev->last_rx = jiffies;
netif_rx(skb);
break;
case LMC_RAW:
break;
}
lmc_trace(sc->lmc_device, "lmc_proto_netif out");
}
|
