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1da177e4 LT |
1 | /* $Id: sunos_ioctl32.c,v 1.11 2000/07/30 23:12:24 davem Exp $ |
2 | * sunos_ioctl32.c: SunOS ioctl compatibility on sparc64. | |
3 | * | |
4 | * Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx) | |
5 | * Copyright (C) 1995, 1996, 1997 David S. Miller (davem@caip.rutgers.edu) | |
6 | */ | |
7 | ||
8 | #include <asm/uaccess.h> | |
9 | ||
10 | #include <linux/sched.h> | |
11 | #include <linux/errno.h> | |
12 | #include <linux/string.h> | |
13 | #include <linux/termios.h> | |
14 | #include <linux/ioctl.h> | |
15 | #include <linux/route.h> | |
16 | #include <linux/sockios.h> | |
17 | #include <linux/if.h> | |
18 | #include <linux/netdevice.h> | |
19 | #include <linux/if_arp.h> | |
20 | #include <linux/fs.h> | |
21 | #include <linux/file.h> | |
22 | #include <linux/mm.h> | |
23 | #include <linux/smp.h> | |
24 | #include <linux/smp_lock.h> | |
25 | #include <linux/syscalls.h> | |
26 | #include <linux/compat.h> | |
27 | #include <asm/kbio.h> | |
28 | ||
29 | #define SUNOS_NR_OPEN 256 | |
30 | ||
31 | struct rtentry32 { | |
32 | u32 rt_pad1; | |
33 | struct sockaddr rt_dst; /* target address */ | |
34 | struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */ | |
35 | struct sockaddr rt_genmask; /* target network mask (IP) */ | |
36 | unsigned short rt_flags; | |
37 | short rt_pad2; | |
38 | u32 rt_pad3; | |
39 | unsigned char rt_tos; | |
40 | unsigned char rt_class; | |
41 | short rt_pad4; | |
42 | short rt_metric; /* +1 for binary compatibility! */ | |
43 | /* char * */ u32 rt_dev; /* forcing the device at add */ | |
44 | u32 rt_mtu; /* per route MTU/Window */ | |
45 | u32 rt_window; /* Window clamping */ | |
46 | unsigned short rt_irtt; /* Initial RTT */ | |
47 | ||
48 | }; | |
49 | ||
50 | struct ifmap32 { | |
51 | u32 mem_start; | |
52 | u32 mem_end; | |
53 | unsigned short base_addr; | |
54 | unsigned char irq; | |
55 | unsigned char dma; | |
56 | unsigned char port; | |
57 | }; | |
58 | ||
59 | struct ifreq32 { | |
60 | #define IFHWADDRLEN 6 | |
61 | #define IFNAMSIZ 16 | |
62 | union { | |
63 | char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ | |
64 | } ifr_ifrn; | |
65 | union { | |
66 | struct sockaddr ifru_addr; | |
67 | struct sockaddr ifru_dstaddr; | |
68 | struct sockaddr ifru_broadaddr; | |
69 | struct sockaddr ifru_netmask; | |
70 | struct sockaddr ifru_hwaddr; | |
71 | short ifru_flags; | |
72 | int ifru_ivalue; | |
73 | int ifru_mtu; | |
74 | struct ifmap32 ifru_map; | |
75 | char ifru_slave[IFNAMSIZ]; /* Just fits the size */ | |
76 | compat_caddr_t ifru_data; | |
77 | } ifr_ifru; | |
78 | }; | |
79 | ||
80 | struct ifconf32 { | |
81 | int ifc_len; /* size of buffer */ | |
82 | compat_caddr_t ifcbuf; | |
83 | }; | |
84 | ||
85 | extern asmlinkage int compat_sys_ioctl(unsigned int, unsigned int, u32); | |
86 | ||
87 | asmlinkage int sunos_ioctl (int fd, u32 cmd, u32 arg) | |
88 | { | |
89 | int ret = -EBADF; | |
90 | ||
91 | if(fd >= SUNOS_NR_OPEN) | |
92 | goto out; | |
93 | if(!fcheck(fd)) | |
94 | goto out; | |
95 | ||
96 | if(cmd == TIOCSETD) { | |
97 | mm_segment_t old_fs = get_fs(); | |
98 | int __user *p; | |
99 | int ntty = N_TTY; | |
100 | int tmp; | |
101 | ||
102 | p = (int __user *) (unsigned long) arg; | |
103 | ret = -EFAULT; | |
104 | if(get_user(tmp, p)) | |
105 | goto out; | |
106 | if(tmp == 2) { | |
107 | set_fs(KERNEL_DS); | |
108 | ret = sys_ioctl(fd, cmd, (unsigned long) &ntty); | |
109 | set_fs(old_fs); | |
110 | ret = (ret == -EINVAL ? -EOPNOTSUPP : ret); | |
111 | goto out; | |
112 | } | |
113 | } | |
114 | if(cmd == TIOCNOTTY) { | |
115 | ret = sys_setsid(); | |
116 | goto out; | |
117 | } | |
118 | switch(cmd) { | |
119 | case _IOW('r', 10, struct rtentry32): | |
120 | ret = compat_sys_ioctl(fd, SIOCADDRT, arg); | |
121 | goto out; | |
122 | case _IOW('r', 11, struct rtentry32): | |
123 | ret = compat_sys_ioctl(fd, SIOCDELRT, arg); | |
124 | goto out; | |
125 | ||
126 | case _IOW('i', 12, struct ifreq32): | |
127 | ret = compat_sys_ioctl(fd, SIOCSIFADDR, arg); | |
128 | goto out; | |
129 | case _IOWR('i', 13, struct ifreq32): | |
130 | ret = compat_sys_ioctl(fd, SIOCGIFADDR, arg); | |
131 | goto out; | |
132 | case _IOW('i', 14, struct ifreq32): | |
133 | ret = compat_sys_ioctl(fd, SIOCSIFDSTADDR, arg); | |
134 | goto out; | |
135 | case _IOWR('i', 15, struct ifreq32): | |
136 | ret = compat_sys_ioctl(fd, SIOCGIFDSTADDR, arg); | |
137 | goto out; | |
138 | case _IOW('i', 16, struct ifreq32): | |
139 | ret = compat_sys_ioctl(fd, SIOCSIFFLAGS, arg); | |
140 | goto out; | |
141 | case _IOWR('i', 17, struct ifreq32): | |
142 | ret = compat_sys_ioctl(fd, SIOCGIFFLAGS, arg); | |
143 | goto out; | |
144 | case _IOW('i', 18, struct ifreq32): | |
145 | ret = compat_sys_ioctl(fd, SIOCSIFMEM, arg); | |
146 | goto out; | |
147 | case _IOWR('i', 19, struct ifreq32): | |
148 | ret = compat_sys_ioctl(fd, SIOCGIFMEM, arg); | |
149 | goto out; | |
150 | ||
151 | case _IOWR('i', 20, struct ifconf32): | |
152 | ret = compat_sys_ioctl(fd, SIOCGIFCONF, arg); | |
153 | goto out; | |
154 | ||
155 | case _IOW('i', 21, struct ifreq): /* SIOCSIFMTU */ | |
156 | ret = sys_ioctl(fd, SIOCSIFMTU, arg); | |
157 | goto out; | |
158 | case _IOWR('i', 22, struct ifreq): /* SIOCGIFMTU */ | |
159 | ret = sys_ioctl(fd, SIOCGIFMTU, arg); | |
160 | goto out; | |
161 | ||
162 | case _IOWR('i', 23, struct ifreq32): | |
163 | ret = compat_sys_ioctl(fd, SIOCGIFBRDADDR, arg); | |
164 | goto out; | |
165 | case _IOW('i', 24, struct ifreq32): | |
166 | ret = compat_sys_ioctl(fd, SIOCSIFBRDADDR, arg); | |
167 | goto out; | |
168 | case _IOWR('i', 25, struct ifreq32): | |
169 | ret = compat_sys_ioctl(fd, SIOCGIFNETMASK, arg); | |
170 | goto out; | |
171 | case _IOW('i', 26, struct ifreq32): | |
172 | ret = compat_sys_ioctl(fd, SIOCSIFNETMASK, arg); | |
173 | goto out; | |
174 | case _IOWR('i', 27, struct ifreq32): | |
175 | ret = compat_sys_ioctl(fd, SIOCGIFMETRIC, arg); | |
176 | goto out; | |
177 | case _IOW('i', 28, struct ifreq32): | |
178 | ret = compat_sys_ioctl(fd, SIOCSIFMETRIC, arg); | |
179 | goto out; | |
180 | ||
181 | case _IOW('i', 30, struct arpreq): | |
182 | ret = compat_sys_ioctl(fd, SIOCSARP, arg); | |
183 | goto out; | |
184 | case _IOWR('i', 31, struct arpreq): | |
185 | ret = compat_sys_ioctl(fd, SIOCGARP, arg); | |
186 | goto out; | |
187 | case _IOW('i', 32, struct arpreq): | |
188 | ret = compat_sys_ioctl(fd, SIOCDARP, arg); | |
189 | goto out; | |
190 | ||
191 | case _IOW('i', 40, struct ifreq32): /* SIOCUPPER */ | |
192 | case _IOW('i', 41, struct ifreq32): /* SIOCLOWER */ | |
193 | case _IOW('i', 44, struct ifreq32): /* SIOCSETSYNC */ | |
194 | case _IOW('i', 45, struct ifreq32): /* SIOCGETSYNC */ | |
195 | case _IOW('i', 46, struct ifreq32): /* SIOCSSDSTATS */ | |
196 | case _IOW('i', 47, struct ifreq32): /* SIOCSSESTATS */ | |
197 | case _IOW('i', 48, struct ifreq32): /* SIOCSPROMISC */ | |
198 | ret = -EOPNOTSUPP; | |
199 | goto out; | |
200 | ||
201 | case _IOW('i', 49, struct ifreq32): | |
202 | ret = compat_sys_ioctl(fd, SIOCADDMULTI, arg); | |
203 | goto out; | |
204 | case _IOW('i', 50, struct ifreq32): | |
205 | ret = compat_sys_ioctl(fd, SIOCDELMULTI, arg); | |
206 | goto out; | |
207 | ||
208 | /* FDDI interface ioctls, unsupported. */ | |
209 | ||
210 | case _IOW('i', 51, struct ifreq32): /* SIOCFDRESET */ | |
211 | case _IOW('i', 52, struct ifreq32): /* SIOCFDSLEEP */ | |
212 | case _IOW('i', 53, struct ifreq32): /* SIOCSTRTFMWAR */ | |
213 | case _IOW('i', 54, struct ifreq32): /* SIOCLDNSTRTFW */ | |
214 | case _IOW('i', 55, struct ifreq32): /* SIOCGETFDSTAT */ | |
215 | case _IOW('i', 56, struct ifreq32): /* SIOCFDNMIINT */ | |
216 | case _IOW('i', 57, struct ifreq32): /* SIOCFDEXUSER */ | |
217 | case _IOW('i', 58, struct ifreq32): /* SIOCFDGNETMAP */ | |
218 | case _IOW('i', 59, struct ifreq32): /* SIOCFDGIOCTL */ | |
219 | printk("FDDI ioctl, returning EOPNOTSUPP\n"); | |
220 | ret = -EOPNOTSUPP; | |
221 | goto out; | |
222 | ||
223 | case _IOW('t', 125, int): | |
224 | /* More stupid tty sunos ioctls, just | |
225 | * say it worked. | |
226 | */ | |
227 | ret = 0; | |
228 | goto out; | |
229 | ||
230 | /* Non posix grp */ | |
231 | case _IOW('t', 118, int): { | |
232 | int oldval, newval, __user *ptr; | |
233 | ||
234 | cmd = TIOCSPGRP; | |
235 | ptr = (int __user *) (unsigned long) arg; | |
236 | ret = -EFAULT; | |
237 | if(get_user(oldval, ptr)) | |
238 | goto out; | |
239 | ret = compat_sys_ioctl(fd, cmd, arg); | |
240 | __get_user(newval, ptr); | |
241 | if(newval == -1) { | |
242 | __put_user(oldval, ptr); | |
243 | ret = -EIO; | |
244 | } | |
245 | if(ret == -ENOTTY) | |
246 | ret = -EIO; | |
247 | goto out; | |
248 | } | |
249 | ||
250 | case _IOR('t', 119, int): { | |
251 | int oldval, newval, __user *ptr; | |
252 | ||
253 | cmd = TIOCGPGRP; | |
254 | ptr = (int __user *) (unsigned long) arg; | |
255 | ret = -EFAULT; | |
256 | if(get_user(oldval, ptr)) | |
257 | goto out; | |
258 | ret = compat_sys_ioctl(fd, cmd, arg); | |
259 | __get_user(newval, ptr); | |
260 | if(newval == -1) { | |
261 | __put_user(oldval, ptr); | |
262 | ret = -EIO; | |
263 | } | |
264 | if(ret == -ENOTTY) | |
265 | ret = -EIO; | |
266 | goto out; | |
267 | } | |
268 | }; | |
269 | ||
270 | ret = compat_sys_ioctl(fd, cmd, arg); | |
271 | /* so stupid... */ | |
272 | ret = (ret == -EINVAL ? -EOPNOTSUPP : ret); | |
273 | out: | |
274 | return ret; | |
275 | } |