aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sparc64/solaris/socksys.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc64/solaris/socksys.c')
-rw-r--r--arch/sparc64/solaris/socksys.c203
1 files changed, 0 insertions, 203 deletions
diff --git a/arch/sparc64/solaris/socksys.c b/arch/sparc64/solaris/socksys.c
deleted file mode 100644
index 7736411f244f..000000000000
--- a/arch/sparc64/solaris/socksys.c
+++ /dev/null
@@ -1,203 +0,0 @@
1/* $Id: socksys.c,v 1.21 2002/02/08 03:57:14 davem Exp $
2 * socksys.c: /dev/inet/ stuff for Solaris emulation.
3 *
4 * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
5 * Copyright (C) 1997, 1998 Patrik Rak (prak3264@ss1000.ms.mff.cuni.cz)
6 * Copyright (C) 1995, 1996 Mike Jagdis (jaggy@purplet.demon.co.uk)
7 */
8
9/*
10 * Dave, _please_ give me specifications on this fscking mess so that I
11 * could at least get it into the state when it wouldn't screw the rest of
12 * the kernel over. socksys.c and timod.c _stink_ and we are not talking
13 * H2S here, it's isopropilmercaptan in concentrations way over LD50. -- AV
14 */
15
16#include <linux/types.h>
17#include <linux/kernel.h>
18#include <linux/sched.h>
19#include <linux/smp.h>
20#include <linux/ioctl.h>
21#include <linux/fs.h>
22#include <linux/file.h>
23#include <linux/init.h>
24#include <linux/poll.h>
25#include <linux/slab.h>
26#include <linux/syscalls.h>
27#include <linux/in.h>
28
29#include <net/sock.h>
30
31#include <asm/uaccess.h>
32#include <asm/termios.h>
33
34#include "conv.h"
35#include "socksys.h"
36
37static int af_inet_protocols[] = {
38IPPROTO_ICMP, IPPROTO_ICMP, IPPROTO_IGMP, IPPROTO_IPIP, IPPROTO_TCP,
39IPPROTO_EGP, IPPROTO_PUP, IPPROTO_UDP, IPPROTO_IDP, IPPROTO_RAW,
400, 0, 0, 0, 0, 0,
41};
42
43#ifndef DEBUG_SOLARIS_KMALLOC
44
45#define mykmalloc kmalloc
46#define mykfree kfree
47
48#else
49
50extern void * mykmalloc(size_t s, gfp_t gfp);
51extern void mykfree(void *);
52
53#endif
54
55static unsigned int (*sock_poll)(struct file *, poll_table *);
56
57static struct file_operations socksys_file_ops = {
58 /* Currently empty */
59};
60
61static int socksys_open(struct inode * inode, struct file * filp)
62{
63 int family, type, protocol, fd;
64 struct dentry *dentry;
65 int (*sys_socket)(int,int,int) =
66 (int (*)(int,int,int))SUNOS(97);
67 struct sol_socket_struct * sock;
68
69 family = ((iminor(inode) >> 4) & 0xf);
70 switch (family) {
71 case AF_UNIX:
72 type = SOCK_STREAM;
73 protocol = 0;
74 break;
75 case AF_INET:
76 protocol = af_inet_protocols[iminor(inode) & 0xf];
77 switch (protocol) {
78 case IPPROTO_TCP: type = SOCK_STREAM; break;
79 case IPPROTO_UDP: type = SOCK_DGRAM; break;
80 default: type = SOCK_RAW; break;
81 }
82 break;
83 default:
84 type = SOCK_RAW;
85 protocol = 0;
86 break;
87 }
88
89 fd = sys_socket(family, type, protocol);
90 if (fd < 0)
91 return fd;
92 /*
93 * N.B. The following operations are not legal!
94 *
95 * No shit. WTF is it supposed to do, anyway?
96 *
97 * Try instead:
98 * d_delete(filp->f_path.dentry), then d_instantiate with sock inode
99 */
100 dentry = filp->f_path.dentry;
101 filp->f_path.dentry = dget(fcheck(fd)->f_path.dentry);
102 filp->f_path.dentry->d_inode->i_rdev = inode->i_rdev;
103 filp->f_path.dentry->d_inode->i_flock = inode->i_flock;
104 SOCKET_I(filp->f_path.dentry->d_inode)->file = filp;
105 filp->f_op = &socksys_file_ops;
106 sock = (struct sol_socket_struct*)
107 mykmalloc(sizeof(struct sol_socket_struct), GFP_KERNEL);
108 if (!sock) return -ENOMEM;
109 SOLDD(("sock=%016lx(%016lx)\n", sock, filp));
110 sock->magic = SOLARIS_SOCKET_MAGIC;
111 sock->modcount = 0;
112 sock->state = TS_UNBND;
113 sock->offset = 0;
114 sock->pfirst = sock->plast = NULL;
115 filp->private_data = sock;
116 SOLDD(("filp->private_data %016lx\n", filp->private_data));
117
118 sys_close(fd);
119 dput(dentry);
120 return 0;
121}
122
123static int socksys_release(struct inode * inode, struct file * filp)
124{
125 struct sol_socket_struct * sock;
126 struct T_primsg *it;
127
128 /* XXX: check this */
129 sock = (struct sol_socket_struct *)filp->private_data;
130 SOLDD(("sock release %016lx(%016lx)\n", sock, filp));
131 it = sock->pfirst;
132 while (it) {
133 struct T_primsg *next = it->next;
134
135 SOLDD(("socksys_release %016lx->%016lx\n", it, next));
136 mykfree((char*)it);
137 it = next;
138 }
139 filp->private_data = NULL;
140 SOLDD(("socksys_release %016lx\n", sock));
141 mykfree((char*)sock);
142 return 0;
143}
144
145static unsigned int socksys_poll(struct file * filp, poll_table * wait)
146{
147 struct inode *ino;
148 unsigned int mask = 0;
149
150 ino=filp->f_path.dentry->d_inode;
151 if (ino && S_ISSOCK(ino->i_mode)) {
152 struct sol_socket_struct *sock;
153 sock = (struct sol_socket_struct*)filp->private_data;
154 if (sock && sock->pfirst) {
155 mask |= POLLIN | POLLRDNORM;
156 if (sock->pfirst->pri == MSG_HIPRI)
157 mask |= POLLPRI;
158 }
159 }
160 if (sock_poll)
161 mask |= (*sock_poll)(filp, wait);
162 return mask;
163}
164
165static const struct file_operations socksys_fops = {
166 .open = socksys_open,
167 .release = socksys_release,
168};
169
170int __init init_socksys(void)
171{
172 int ret;
173 struct file * file;
174 int (*sys_socket)(int,int,int) =
175 (int (*)(int,int,int))SUNOS(97);
176 int (*sys_close)(unsigned int) =
177 (int (*)(unsigned int))SYS(close);
178
179 ret = register_chrdev (30, "socksys", &socksys_fops);
180 if (ret < 0) {
181 printk ("Couldn't register socksys character device\n");
182 return ret;
183 }
184 ret = sys_socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
185 if (ret < 0) {
186 printk ("Couldn't create socket\n");
187 return ret;
188 }
189
190 file = fcheck(ret);
191 /* N.B. Is this valid? Suppose the f_ops are in a module ... */
192 socksys_file_ops = *file->f_op;
193 sys_close(ret);
194 sock_poll = socksys_file_ops.poll;
195 socksys_file_ops.poll = socksys_poll;
196 socksys_file_ops.release = socksys_release;
197 return 0;
198}
199
200void __exit cleanup_socksys(void)
201{
202 unregister_chrdev(30, "socksys");
203}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-08 02:23:21 -0500