/* $Id: sunos_ioctl.c,v 1.34 2000/09/03 14:10:56 anton Exp $ * sunos_ioctl.c: The Linux Operating system: SunOS ioctl compatibility. * * Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx) * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) */ #include <asm/uaccess.h> #include <linux/sched.h> #include <linux/errno.h> #include <linux/string.h> #include <linux/termios.h> #include <linux/tty.h> #include <linux/ioctl.h> #include <linux/route.h> #include <linux/sockios.h> #include <linux/if.h> #include <linux/netdevice.h> #include <linux/if_arp.h> #include <linux/fs.h> #include <linux/mm.h> #include <linux/smp.h> #include <linux/syscalls.h> #include <linux/file.h> #if 0 extern char sunkbd_type; extern char sunkbd_layout; #endif /* NR_OPEN is now larger and dynamic in recent kernels. */ #define SUNOS_NR_OPEN 256 asmlinkage int sunos_ioctl (int fd, unsigned long cmd, unsigned long arg) { int ret = -EBADF; if (fd >= SUNOS_NR_OPEN || !fcheck(fd)) goto out; /* First handle an easy compat. case for tty ldisc. */ if (cmd == TIOCSETD) { int __user *p; int ntty = N_TTY, tmp; mm_segment_t oldfs; p = (int __user *) arg; ret = -EFAULT; if (get_user(tmp, p)) goto out; if (tmp == 2) { oldfs = get_fs(); set_fs(KERNEL_DS); ret = sys_ioctl(fd, cmd, (unsigned long) &ntty); set_fs(oldfs); ret = (ret == -EINVAL ? -EOPNOTSUPP : ret); goto out; } } /* Binary compatibility is good American knowhow fuckin' up. */ if (cmd == TIOCNOTTY) { ret = sys_setsid(); goto out; } /* SunOS networking ioctls. */ switch (cmd) { case _IOW('r', 10, struct rtentry): ret = sys_ioctl(fd, SIOCADDRT, arg); goto out; case _IOW('r', 11, struct rtentry): ret = sys_ioctl(fd, SIOCDELRT, arg); goto out; case _IOW('i', 12, struct ifreq): ret = sys_ioctl(fd, SIOCSIFADDR, arg); goto out; case _IOWR('i', 13, struct ifreq): ret = sys_ioctl(fd, SIOCGIFADDR, arg); goto out; case _IOW('i', 14, struct ifreq): ret = sys_ioctl(fd, SIOCSIFDSTADDR, arg); goto out; case _IOWR('i', 15, struct ifreq): ret = sys_ioctl(fd, SIOCGIFDSTADDR, arg); goto out; case _IOW('i', 16, struct ifreq): ret = sys_ioctl(fd, SIOCSIFFLAGS, arg); goto out; case _IOWR('i', 17, struct ifreq): ret = sys_ioctl(fd, SIOCGIFFLAGS, arg); goto out; case _IOW('i', 18, struct ifreq): ret = sys_ioctl(fd, SIOCSIFMEM, arg); goto out; case _IOWR('i', 19, struct ifreq): ret = sys_ioctl(fd, SIOCGIFMEM, arg); goto out; case _IOWR('i', 20, struct ifconf): ret = sys_ioctl(fd, SIOCGIFCONF, arg); goto out; case _IOW('i', 21, struct ifreq): /* SIOCSIFMTU */ ret = sys_ioctl(fd, SIOCSIFMTU, arg); goto out; case _IOWR('i', 22, struct ifreq): /* SIOCGIFMTU */ ret = sys_ioctl(fd, SIOCGIFMTU, arg); goto out; case _IOWR('i', 23, struct ifreq): ret = sys_ioctl(fd, SIOCGIFBRDADDR, arg); goto out; case _IOW('i', 24, struct ifreq): ret = sys_ioctl(fd, SIOCSIFBRDADDR, arg); goto out; case _IOWR('i', 25, struct ifreq): ret = sys_ioctl(fd, SIOCGIFNETMASK, arg); goto out; case _IOW('i', 26, struct ifreq): ret = sys_ioctl(fd, SIOCSIFNETMASK, arg); goto out; case _IOWR('i', 27, struct ifreq): ret = sys_ioctl(fd, SIOCGIFMETRIC, arg); goto out; case _IOW('i', 28, struct ifreq): ret = sys_ioctl(fd, SIOCSIFMETRIC, arg); goto out; case _IOW('i', 30, struct arpreq): ret = sys_ioctl(fd, SIOCSARP, arg); goto out; case _IOWR('i', 31, struct arpreq): ret = sys_ioctl(fd, SIOCGARP, arg); goto out; case _IOW('i', 32, struct arpreq): ret = sys_ioctl(fd, SIOCDARP, arg); goto out; case _IOW('i', 40, struct ifreq): /* SIOCUPPER */ case _IOW('i', 41, struct ifreq): /* SIOCLOWER */ case _IOW('i', 44, struct ifreq): /* SIOCSETSYNC */ case _IOW('i', 45, struct ifreq): /* SIOCGETSYNC */ case _IOW('i', 46, struct ifreq): /* SIOCSSDSTATS */ case _IOW('i', 47, struct ifreq): /* SIOCSSESTATS */ case _IOW('i', 48, struct ifreq): /* SIOCSPROMISC */ ret = -EOPNOTSUPP; goto out; case _IOW('i', 49, struct ifreq): ret = sys_ioctl(fd, SIOCADDMULTI, arg); goto out; case _IOW('i', 50, struct ifreq): ret = sys_ioctl(fd, SIOCDELMULTI, arg); goto out; /* FDDI interface ioctls, unsupported. */ case _IOW('i', 51, struct ifreq): /* SIOCFDRESET */ case _IOW('i', 52, struct ifreq): /* SIOCFDSLEEP */ case _IOW('i', 53, struct ifreq): /* SIOCSTRTFMWAR */ case _IOW('i', 54, struct ifreq): /* SIOCLDNSTRTFW */ case _IOW('i', 55, struct ifreq): /* SIOCGETFDSTAT */ case _IOW('i', 56, struct ifreq): /* SIOCFDNMIINT */ case _IOW('i', 57, struct ifreq): /* SIOCFDEXUSER */ case _IOW('i', 58, struct ifreq): /* SIOCFDGNETMAP */ case _IOW('i', 59, struct ifreq): /* SIOCFDGIOCTL */ printk("FDDI ioctl, returning EOPNOTSUPP\n"); ret = -EOPNOTSUPP; goto out; case _IOW('t', 125, int): /* More stupid tty sunos ioctls, just * say it worked. */ ret = 0; goto out; /* Non posix grp */ case _IOW('t', 118, int): { int oldval, newval, __user *ptr; cmd = TIOCSPGRP; ptr = (int __user *) arg; ret = -EFAULT; if (get_user(oldval, ptr)) goto out; ret = sys_ioctl(fd, cmd, arg); __get_user(newval, ptr); if (newval == -1) { __put_user(oldval, ptr); ret = -EIO; } if (ret == -ENOTTY) ret = -EIO; goto out; } case _IOR('t', 119, int): { int oldval, newval, __user *ptr; cmd = TIOCGPGRP; ptr = (int __user *) arg; ret = -EFAULT; if (get_user(oldval, ptr)) goto out; ret = sys_ioctl(fd, cmd, arg); __get_user(newval, ptr); if (newval == -1) { __put_user(oldval, ptr); ret = -EIO; } if (ret == -ENOTTY) ret = -EIO; goto out; } } #if 0 if ((cmd & 0xff00) == ('k' << 8)) { printk ("[[KBIO: %8.8x\n", (unsigned int) cmd); } #endif ret = sys_ioctl(fd, cmd, arg); /* so stupid... */ ret = (ret == -EINVAL ? -EOPNOTSUPP : ret); out: return ret; }