diff options
Diffstat (limited to 'fs/proc/net.c')
| -rw-r--r-- | fs/proc/net.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/fs/proc/net.c b/fs/proc/net.c deleted file mode 100644 index b4e18bc49..000000000 --- a/fs/proc/net.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * linux/fs/proc/net.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - * - * gjh 3/'93 heim@peanuts.informatik.uni-tuebingen.de (Gerald J. Heim) - * most of this file is stolen from base.c - * it works, but you shouldn't use it as a guideline - * for new proc-fs entries. once i'll make it better. - * fvk 3/'93 waltje@uwalt.nl.mugnet.org (Fred N. van Kempen) - * cleaned up the whole thing, moved "net" specific code to - * the NET kernel layer (where it belonged in the first place). - * Michael K. Johnson (johnsonm@stolaf.edu) 3/93 - * Added support from my previous inet.c. Cleaned things up - * quite a bit, modularized the code. - * fvk 4/'93 waltje@uwalt.nl.mugnet.org (Fred N. van Kempen) - * Renamed "route_get_info()" to "rt_get_info()" for consistency. - * Alan Cox (gw4pts@gw4pts.ampr.org) 4/94 - * Dusted off the code and added IPX. Fixed the 4K limit. - * Erik Schoenfelder (schoenfr@ibr.cs.tu-bs.de) - * /proc/net/snmp. - * Alan Cox (gw4pts@gw4pts.ampr.org) 1/95 - * Added AppleTalk slots - * - * proc net directory handling functions - */ -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/proc_fs.h> -#include <linux/stat.h> -#include <linux/fcntl.h> -#include <linux/mm.h> - -#include <asm/uaccess.h> - -#define PROC_BLOCK_SIZE (3*1024) /* 4K page size but our output routines use some slack for overruns */ - -static long proc_readnet(struct inode * inode, struct file * file, - char * buf, unsigned long count) -{ - char * page; - int bytes=count; - int copied=0; - char *start; - struct proc_dir_entry * dp; - - if (count < 0) - return -EINVAL; - dp = (struct proc_dir_entry *) inode->u.generic_ip; - if (!(page = (char*) __get_free_page(GFP_KERNEL))) - return -ENOMEM; - - while (bytes>0) - { - int length, thistime=bytes; - if (bytes > PROC_BLOCK_SIZE) - thistime=PROC_BLOCK_SIZE; - - length = dp->get_info(page, &start, - file->f_pos, - thistime, - (file->f_flags & O_ACCMODE) == O_RDWR); - - /* - * We have been given a non page aligned block of - * the data we asked for + a bit. We have been given - * the start pointer and we know the length.. - */ - - if (length <= 0) - break; - /* - * Copy the bytes - */ - copy_to_user(buf+copied, start, length); - file->f_pos += length; /* Move down the file */ - bytes -= length; - copied += length; - if (length<thistime) - break; /* End of file */ - } - free_page((unsigned long) page); - return copied; -} - -static struct file_operations proc_net_operations = { - NULL, /* lseek - default */ - proc_readnet, /* read - bad */ - NULL, /* write - bad */ - NULL, /* readdir */ - NULL, /* poll - default */ - NULL, /* ioctl - default */ - NULL, /* mmap */ - NULL, /* no special open code */ - NULL, /* flush */ - NULL, /* no special release code */ - NULL /* can't fsync */ -}; - -/* - * proc directories can do almost nothing.. - */ -struct inode_operations proc_net_inode_operations = { - &proc_net_operations, /* default net file-ops */ - NULL, /* create */ - NULL, /* lookup */ - NULL, /* link */ - NULL, /* unlink */ - NULL, /* symlink */ - NULL, /* mkdir */ - NULL, /* rmdir */ - NULL, /* mknod */ - NULL, /* rename */ - NULL, /* readlink */ - NULL, /* follow_link */ - NULL, /* get_block */ - NULL, /* readpage */ - NULL, /* writepage */ - NULL, /* flushpage */ - NULL, /* truncate */ - NULL, /* permission */ - NULL, /* smap */ - NULL /* revalidate */ -}; |