diff options
Diffstat (limited to 'arch/sparc64/solaris/socksys.c')
| -rw-r--r-- | arch/sparc64/solaris/socksys.c | 203 |
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 7736411f244..00000000000 --- a/arch/sparc64/solaris/socksys.c +++ /dev/null @@ -1,203 +0,0 @@ -/* $Id: socksys.c,v 1.21 2002/02/08 03:57:14 davem Exp $ - * socksys.c: /dev/inet/ stuff for Solaris emulation. - * - * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - * Copyright (C) 1997, 1998 Patrik Rak (prak3264@ss1000.ms.mff.cuni.cz) - * Copyright (C) 1995, 1996 Mike Jagdis (jaggy@purplet.demon.co.uk) - */ - -/* - * Dave, _please_ give me specifications on this fscking mess so that I - * could at least get it into the state when it wouldn't screw the rest of - * the kernel over. socksys.c and timod.c _stink_ and we are not talking - * H2S here, it's isopropilmercaptan in concentrations way over LD50. -- AV - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/smp.h> -#include <linux/ioctl.h> -#include <linux/fs.h> -#include <linux/file.h> -#include <linux/init.h> -#include <linux/poll.h> -#include <linux/slab.h> -#include <linux/syscalls.h> -#include <linux/in.h> - -#include <net/sock.h> - -#include <asm/uaccess.h> -#include <asm/termios.h> - -#include "conv.h" -#include "socksys.h" - -static int af_inet_protocols[] = { -IPPROTO_ICMP, IPPROTO_ICMP, IPPROTO_IGMP, IPPROTO_IPIP, IPPROTO_TCP, -IPPROTO_EGP, IPPROTO_PUP, IPPROTO_UDP, IPPROTO_IDP, IPPROTO_RAW, -0, 0, 0, 0, 0, 0, -}; - -#ifndef DEBUG_SOLARIS_KMALLOC - -#define mykmalloc kmalloc -#define mykfree kfree - -#else - -extern void * mykmalloc(size_t s, gfp_t gfp); -extern void mykfree(void *); - -#endif - -static unsigned int (*sock_poll)(struct file *, poll_table *); - -static struct file_operations socksys_file_ops = { - /* Currently empty */ -}; - -static int socksys_open(struct inode * inode, struct file * filp) -{ - int family, type, protocol, fd; - struct dentry *dentry; - int (*sys_socket)(int,int,int) = - (int (*)(int,int,int))SUNOS(97); - struct sol_socket_struct * sock; - - family = ((iminor(inode) >> 4) & 0xf); - switch (family) { - case AF_UNIX: - type = SOCK_STREAM; - protocol = 0; - break; - case AF_INET: - protocol = af_inet_protocols[iminor(inode) & 0xf]; - switch (protocol) { - case IPPROTO_TCP: type = SOCK_STREAM; break; - case IPPROTO_UDP: type = SOCK_DGRAM; break; - default: type = SOCK_RAW; break; - } - break; - default: - type = SOCK_RAW; - protocol = 0; - break; - } - - fd = sys_socket(family, type, protocol); - if (fd < 0) - return fd; - /* - * N.B. The following operations are not legal! - * - * No shit. WTF is it supposed to do, anyway? - * - * Try instead: - * d_delete(filp->f_path.dentry), then d_instantiate with sock inode - */ - dentry = filp->f_path.dentry; - filp->f_path.dentry = dget(fcheck(fd)->f_path.dentry); - filp->f_path.dentry->d_inode->i_rdev = inode->i_rdev; - filp->f_path.dentry->d_inode->i_flock = inode->i_flock; - SOCKET_I(filp->f_path.dentry->d_inode)->file = filp; - filp->f_op = &socksys_file_ops; - sock = (struct sol_socket_struct*) - mykmalloc(sizeof(struct sol_socket_struct), GFP_KERNEL); - if (!sock) return -ENOMEM; - SOLDD(("sock=%016lx(%016lx)\n", sock, filp)); - sock->magic = SOLARIS_SOCKET_MAGIC; - sock->modcount = 0; - sock->state = TS_UNBND; - sock->offset = 0; - sock->pfirst = sock->plast = NULL; - filp->private_data = sock; - SOLDD(("filp->private_data %016lx\n", filp->private_data)); - - sys_close(fd); - dput(dentry); - return 0; -} - -static int socksys_release(struct inode * inode, struct file * filp) -{ - struct sol_socket_struct * sock; - struct T_primsg *it; - - /* XXX: check this */ - sock = (struct sol_socket_struct *)filp->private_data; - SOLDD(("sock release %016lx(%016lx)\n", sock, filp)); - it = sock->pfirst; - while (it) { - struct T_primsg *next = it->next; - - SOLDD(("socksys_release %016lx->%016lx\n", it, next)); - mykfree((char*)it); - it = next; - } - filp->private_data = NULL; - SOLDD(("socksys_release %016lx\n", sock)); - mykfree((char*)sock); - return 0; -} - -static unsigned int socksys_poll(struct file * filp, poll_table * wait) -{ - struct inode *ino; - unsigned int mask = 0; - - ino=filp->f_path.dentry->d_inode; - if (ino && S_ISSOCK(ino->i_mode)) { - struct sol_socket_struct *sock; - sock = (struct sol_socket_struct*)filp->private_data; - if (sock && sock->pfirst) { - mask |= POLLIN | POLLRDNORM; - if (sock->pfirst->pri == MSG_HIPRI) - mask |= POLLPRI; - } - } - if (sock_poll) - mask |= (*sock_poll)(filp, wait); - return mask; -} - -static const struct file_operations socksys_fops = { - .open = socksys_open, - .release = socksys_release, -}; - -int __init init_socksys(void) -{ - int ret; - struct file * file; - int (*sys_socket)(int,int,int) = - (int (*)(int,int,int))SUNOS(97); - int (*sys_close)(unsigned int) = - (int (*)(unsigned int))SYS(close); - - ret = register_chrdev (30, "socksys", &socksys_fops); - if (ret < 0) { - printk ("Couldn't register socksys character device\n"); - return ret; - } - ret = sys_socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); - if (ret < 0) { - printk ("Couldn't create socket\n"); - return ret; - } - - file = fcheck(ret); - /* N.B. Is this valid? Suppose the f_ops are in a module ... */ - socksys_file_ops = *file->f_op; - sys_close(ret); - sock_poll = socksys_file_ops.poll; - socksys_file_ops.poll = socksys_poll; - socksys_file_ops.release = socksys_release; - return 0; -} - -void __exit cleanup_socksys(void) -{ - unregister_chrdev(30, "socksys"); -} |