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1275 |
phoenix |
/*****************************************************************************
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* wanproc.c WAN Router Module. /proc filesystem interface.
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*
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| 4 |
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* This module is completely hardware-independent and provides
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* access to the router using Linux /proc filesystem.
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*
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* Author: Gideon Hack
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*
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* Copyright: (c) 1995-1999 Sangoma Technologies Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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* ============================================================================
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* Jun 02, 1999 Gideon Hack Updates for Linux 2.2.X kernels.
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* Jun 29, 1997 Alan Cox Merged with 1.0.3 vendor code
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* Jan 29, 1997 Gene Kozin v1.0.1. Implemented /proc read routines
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* Jan 30, 1997 Alan Cox Hacked around for 2.1
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* Dec 13, 1996 Gene Kozin Initial version (based on Sangoma's WANPIPE)
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*****************************************************************************/
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#include <linux/version.h>
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#include <linux/config.h>
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#include <linux/stddef.h> /* offsetof(), etc. */
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#include <linux/errno.h> /* return codes */
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#include <linux/kernel.h>
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#include <linux/slab.h> /* kmalloc(), kfree() */
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#include <linux/mm.h> /* verify_area(), etc. */
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| 30 |
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#include <linux/string.h> /* inline mem*, str* functions */
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| 31 |
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#include <asm/byteorder.h> /* htons(), etc. */
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| 32 |
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#include <asm/io.h>
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| 33 |
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#include <linux/wanrouter.h> /* WAN router API definitions */
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| 35 |
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#if defined(LINUX_2_1) || defined(LINUX_2_4)
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#include <linux/init.h> /* __initfunc et al. */
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| 39 |
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#include <asm/uaccess.h> /* copy_to_user */
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#define PROC_STATS_FORMAT "%30s: %12lu\n"
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#else
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#define PROC_STATS_FORMAT "%30s: %12u\n"
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#include <asm/segment.h> /* kernel <-> user copy */
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#endif
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/****** Defines and Macros **************************************************/
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#define PROC_BUFSZ 4000 /* buffer size for printing proc info */
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#define PROT_DECODE(prot) ((prot == WANCONFIG_FR) ? " FR" :\
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(prot == WANCONFIG_X25) ? " X25" : \
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(prot == WANCONFIG_PPP) ? " PPP" : \
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(prot == WANCONFIG_CHDLC) ? " CHDLC": \
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(prot == WANCONFIG_MPPP) ? " MPPP" : \
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" Unknown" )
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| 58 |
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/****** Data Types **********************************************************/
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| 60 |
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typedef struct wan_stat_entry
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{
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struct wan_stat_entry *next;
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| 63 |
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char *description; /* description string */
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| 64 |
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void *data; /* -> data */
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| 65 |
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unsigned data_type; /* data type */
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} wan_stat_entry_t;
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| 68 |
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/****** Function Prototypes *************************************************/
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#ifdef CONFIG_PROC_FS
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#ifdef LINUX_2_4 /* Start of LINUX 2.4.X code */
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/* Proc filesystem interface */
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static int router_proc_perms(struct inode *, int);
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static ssize_t router_proc_read(struct file* file, char* buf, size_t count, loff_t *ppos);
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| 80 |
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/* Methods for preparing data for reading proc entries */
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static int config_get_info(char* buf, char** start, off_t offs, int len);
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static int status_get_info(char* buf, char** start, off_t offs, int len);
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static int wandev_get_info(char* buf, char** start, off_t offs, int len);
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/* Miscellaneous */
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/*
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* Structures for interfacing with the /proc filesystem.
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| 90 |
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* Router creates its own directory /proc/net/router with the folowing
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* entries:
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* config device configuration
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* status global device statistics
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* <device> entry for each WAN device
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| 95 |
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*/
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| 96 |
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/*
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* Generic /proc/net/router/<file> file and inode operations
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| 99 |
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*/
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static struct file_operations router_fops =
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{
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read: router_proc_read,
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};
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| 105 |
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static struct inode_operations router_inode =
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{
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permission: router_proc_perms,
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};
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/*
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* /proc/net/router/<device> file operations
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*/
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| 114 |
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static struct file_operations wandev_fops =
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{
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read: router_proc_read,
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ioctl: wanrouter_ioctl,
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};
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/*
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* /proc/net/router
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*/
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static struct proc_dir_entry *proc_router;
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/* Strings */
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static char conf_hdr[] =
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"Device name | port |IRQ|DMA| mem.addr |mem.size|"
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"option1|option2|option3|option4\n";
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| 131 |
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static char stat_hdr[] =
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"Device name |protocol|station|interface|clocking|baud rate"
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"| MTU |ndev|link state\n";
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| 135 |
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| 136 |
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/*
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* Interface functions
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| 138 |
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*/
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| 139 |
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| 140 |
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/*
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* Initialize router proc interface.
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*/
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int __init wanrouter_proc_init (void)
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{
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struct proc_dir_entry *p;
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proc_router = proc_mkdir(ROUTER_NAME, proc_net);
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if (!proc_router)
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goto fail;
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| 150 |
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| 151 |
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p = create_proc_entry("config",0,proc_router);
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if (!p)
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goto fail_config;
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p->proc_fops = &router_fops;
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p->proc_iops = &router_inode;
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p->get_info = config_get_info;
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p = create_proc_entry("status",0,proc_router);
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if (!p)
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goto fail_stat;
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p->proc_fops = &router_fops;
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p->proc_iops = &router_inode;
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p->get_info = status_get_info;
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return 0;
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fail_stat:
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remove_proc_entry("config", proc_router);
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fail_config:
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remove_proc_entry(ROUTER_NAME, proc_net);
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fail:
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return -ENOMEM;
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}
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/*
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* Clean up router proc interface.
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*/
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void wanrouter_proc_cleanup (void)
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{
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remove_proc_entry("config", proc_router);
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remove_proc_entry("status", proc_router);
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remove_proc_entry(ROUTER_NAME,proc_net);
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}
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| 182 |
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| 183 |
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/*
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* Add directory entry for WAN device.
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*/
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int wanrouter_proc_add (wan_device_t* wandev)
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{
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if (wandev->magic != ROUTER_MAGIC)
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return -EINVAL;
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| 191 |
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| 192 |
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wandev->dent = create_proc_entry(wandev->name, 0, proc_router);
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if (!wandev->dent)
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return -ENOMEM;
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| 195 |
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wandev->dent->proc_fops = &wandev_fops;
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wandev->dent->proc_iops = &router_inode;
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wandev->dent->get_info = wandev_get_info;
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wandev->dent->data = wandev;
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return 0;
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| 200 |
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}
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| 201 |
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| 202 |
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/*
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| 203 |
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* Delete directory entry for WAN device.
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*/
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| 205 |
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| 206 |
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int wanrouter_proc_delete(wan_device_t* wandev)
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| 207 |
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{
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| 208 |
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if (wandev->magic != ROUTER_MAGIC)
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| 209 |
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return -EINVAL;
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| 210 |
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remove_proc_entry(wandev->name, proc_router);
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| 211 |
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return 0;
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| 212 |
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}
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| 213 |
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| 214 |
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/****** Proc filesystem entry points ****************************************/
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| 215 |
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| 216 |
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/*
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| 217 |
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* Verify access rights.
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| 218 |
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*/
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| 219 |
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| 220 |
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static int router_proc_perms (struct inode* inode, int op)
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| 221 |
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{
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| 222 |
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return 0;
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| 223 |
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}
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| 224 |
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| 225 |
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/*
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| 226 |
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* Read router proc directory entry.
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| 227 |
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* This is universal routine for reading all entries in /proc/net/wanrouter
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| 228 |
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* directory. Each directory entry contains a pointer to the 'method' for
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| 229 |
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* preparing data for that entry.
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| 230 |
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* o verify arguments
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| 231 |
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* o allocate kernel buffer
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| 232 |
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* o call get_info() to prepare data
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| 233 |
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* o copy data to user space
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| 234 |
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* o release kernel buffer
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| 235 |
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*
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| 236 |
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* Return: number of bytes copied to user space (0, if no data)
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| 237 |
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* <0 error
|
| 238 |
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*/
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| 239 |
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| 240 |
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static ssize_t router_proc_read(struct file* file, char* buf, size_t count,
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| 241 |
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loff_t *ppos)
|
| 242 |
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{
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| 243 |
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struct inode *inode = file->f_dentry->d_inode;
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| 244 |
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struct proc_dir_entry* dent;
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| 245 |
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char* page;
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| 246 |
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int pos, offs, len;
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| 247 |
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|
| 248 |
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if (count <= 0)
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| 249 |
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return 0;
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| 250 |
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|
| 251 |
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dent = inode->u.generic_ip;
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| 252 |
|
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if ((dent == NULL) || (dent->get_info == NULL))
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| 253 |
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return 0;
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| 254 |
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|
| 255 |
|
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page = kmalloc(PROC_BUFSZ, GFP_KERNEL);
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| 256 |
|
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if (page == NULL)
|
| 257 |
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return -ENOBUFS;
|
| 258 |
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|
| 259 |
|
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pos = dent->get_info(page, dent->data, 0, 0);
|
| 260 |
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offs = file->f_pos;
|
| 261 |
|
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if (offs < pos) {
|
| 262 |
|
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len = min_t(unsigned int, pos - offs, count);
|
| 263 |
|
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if (copy_to_user(buf, (page + offs), len)) {
|
| 264 |
|
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kfree(page);
|
| 265 |
|
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return -EFAULT;
|
| 266 |
|
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}
|
| 267 |
|
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file->f_pos += len;
|
| 268 |
|
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}
|
| 269 |
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else
|
| 270 |
|
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len = 0;
|
| 271 |
|
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kfree(page);
|
| 272 |
|
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return len;
|
| 273 |
|
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}
|
| 274 |
|
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|
| 275 |
|
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/*
|
| 276 |
|
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* Prepare data for reading 'Config' entry.
|
| 277 |
|
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* Return length of data.
|
| 278 |
|
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*/
|
| 279 |
|
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|
| 280 |
|
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static int config_get_info(char* buf, char** start, off_t offs, int len)
|
| 281 |
|
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{
|
| 282 |
|
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int cnt = sizeof(conf_hdr) - 1;
|
| 283 |
|
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wan_device_t* wandev;
|
| 284 |
|
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strcpy(buf, conf_hdr);
|
| 285 |
|
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for (wandev = router_devlist;
|
| 286 |
|
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wandev && (cnt < (PROC_BUFSZ - 120));
|
| 287 |
|
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wandev = wandev->next) {
|
| 288 |
|
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if (wandev->state) cnt += sprintf(&buf[cnt],
|
| 289 |
|
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"%-15s|0x%-4X|%3u|%3u| 0x%-8lX |0x%-6X|%7u|%7u|%7u|%7u\n",
|
| 290 |
|
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wandev->name,
|
| 291 |
|
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wandev->ioport,
|
| 292 |
|
|
wandev->irq,
|
| 293 |
|
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wandev->dma,
|
| 294 |
|
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wandev->maddr,
|
| 295 |
|
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wandev->msize,
|
| 296 |
|
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wandev->hw_opt[0],
|
| 297 |
|
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wandev->hw_opt[1],
|
| 298 |
|
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wandev->hw_opt[2],
|
| 299 |
|
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wandev->hw_opt[3]);
|
| 300 |
|
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}
|
| 301 |
|
|
|
| 302 |
|
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return cnt;
|
| 303 |
|
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}
|
| 304 |
|
|
|
| 305 |
|
|
/*
|
| 306 |
|
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* Prepare data for reading 'Status' entry.
|
| 307 |
|
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* Return length of data.
|
| 308 |
|
|
*/
|
| 309 |
|
|
|
| 310 |
|
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static int status_get_info(char* buf, char** start, off_t offs, int len)
|
| 311 |
|
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{
|
| 312 |
|
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int cnt = 0;
|
| 313 |
|
|
wan_device_t* wandev;
|
| 314 |
|
|
|
| 315 |
|
|
//cnt += sprintf(&buf[cnt], "\nSTATUS:\n\n");
|
| 316 |
|
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strcpy(&buf[cnt], stat_hdr);
|
| 317 |
|
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cnt += sizeof(stat_hdr) - 1;
|
| 318 |
|
|
|
| 319 |
|
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for (wandev = router_devlist;
|
| 320 |
|
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wandev && (cnt < (PROC_BUFSZ - 80));
|
| 321 |
|
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wandev = wandev->next) {
|
| 322 |
|
|
if (!wandev->state) continue;
|
| 323 |
|
|
cnt += sprintf(&buf[cnt],
|
| 324 |
|
|
"%-15s|%-8s|%-7s|%-9s|%-8s|%9u|%5u|%3u |",
|
| 325 |
|
|
wandev->name,
|
| 326 |
|
|
PROT_DECODE(wandev->config_id),
|
| 327 |
|
|
wandev->config_id == WANCONFIG_FR ?
|
| 328 |
|
|
(wandev->station ? " Node" : " CPE") :
|
| 329 |
|
|
(wandev->config_id == WANCONFIG_X25 ?
|
| 330 |
|
|
(wandev->station ? " DCE" : " DTE") :
|
| 331 |
|
|
(" N/A")),
|
| 332 |
|
|
wandev->interface ? " V.35" : " RS-232",
|
| 333 |
|
|
wandev->clocking ? "internal" : "external",
|
| 334 |
|
|
wandev->bps,
|
| 335 |
|
|
wandev->mtu,
|
| 336 |
|
|
wandev->ndev);
|
| 337 |
|
|
|
| 338 |
|
|
switch (wandev->state) {
|
| 339 |
|
|
|
| 340 |
|
|
case WAN_UNCONFIGURED:
|
| 341 |
|
|
cnt += sprintf(&buf[cnt], "%-12s\n", "unconfigured");
|
| 342 |
|
|
break;
|
| 343 |
|
|
|
| 344 |
|
|
case WAN_DISCONNECTED:
|
| 345 |
|
|
cnt += sprintf(&buf[cnt], "%-12s\n", "disconnected");
|
| 346 |
|
|
break;
|
| 347 |
|
|
|
| 348 |
|
|
case WAN_CONNECTING:
|
| 349 |
|
|
cnt += sprintf(&buf[cnt], "%-12s\n", "connecting");
|
| 350 |
|
|
break;
|
| 351 |
|
|
|
| 352 |
|
|
case WAN_CONNECTED:
|
| 353 |
|
|
cnt += sprintf(&buf[cnt], "%-12s\n", "connected");
|
| 354 |
|
|
break;
|
| 355 |
|
|
|
| 356 |
|
|
default:
|
| 357 |
|
|
cnt += sprintf(&buf[cnt], "%-12s\n", "invalid");
|
| 358 |
|
|
break;
|
| 359 |
|
|
}
|
| 360 |
|
|
}
|
| 361 |
|
|
return cnt;
|
| 362 |
|
|
}
|
| 363 |
|
|
|
| 364 |
|
|
/*
|
| 365 |
|
|
* Prepare data for reading <device> entry.
|
| 366 |
|
|
* Return length of data.
|
| 367 |
|
|
*
|
| 368 |
|
|
* On entry, the 'start' argument will contain a pointer to WAN device
|
| 369 |
|
|
* data space.
|
| 370 |
|
|
*/
|
| 371 |
|
|
|
| 372 |
|
|
static int wandev_get_info(char* buf, char** start, off_t offs, int len)
|
| 373 |
|
|
{
|
| 374 |
|
|
wan_device_t* wandev = (void*)start;
|
| 375 |
|
|
int cnt = 0;
|
| 376 |
|
|
int rslt = 0;
|
| 377 |
|
|
|
| 378 |
|
|
if ((wandev == NULL) || (wandev->magic != ROUTER_MAGIC))
|
| 379 |
|
|
return 0;
|
| 380 |
|
|
if (!wandev->state)
|
| 381 |
|
|
return sprintf(&buf[cnt], "device is not configured!\n");
|
| 382 |
|
|
|
| 383 |
|
|
/* Update device statistics */
|
| 384 |
|
|
if (wandev->update) {
|
| 385 |
|
|
|
| 386 |
|
|
rslt = wandev->update(wandev);
|
| 387 |
|
|
if(rslt) {
|
| 388 |
|
|
switch (rslt) {
|
| 389 |
|
|
case -EAGAIN:
|
| 390 |
|
|
return sprintf(&buf[cnt], "Device is busy!\n");
|
| 391 |
|
|
|
| 392 |
|
|
default:
|
| 393 |
|
|
return sprintf(&buf[cnt],
|
| 394 |
|
|
"Device is not configured!\n");
|
| 395 |
|
|
}
|
| 396 |
|
|
}
|
| 397 |
|
|
}
|
| 398 |
|
|
|
| 399 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 400 |
|
|
"total packets received", wandev->stats.rx_packets);
|
| 401 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 402 |
|
|
"total packets transmitted", wandev->stats.tx_packets);
|
| 403 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 404 |
|
|
"total bytes received", wandev->stats.rx_bytes);
|
| 405 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 406 |
|
|
"total bytes transmitted", wandev->stats.tx_bytes);
|
| 407 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 408 |
|
|
"bad packets received", wandev->stats.rx_errors);
|
| 409 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 410 |
|
|
"packet transmit problems", wandev->stats.tx_errors);
|
| 411 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 412 |
|
|
"received frames dropped", wandev->stats.rx_dropped);
|
| 413 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 414 |
|
|
"transmit frames dropped", wandev->stats.tx_dropped);
|
| 415 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 416 |
|
|
"multicast packets received", wandev->stats.multicast);
|
| 417 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 418 |
|
|
"transmit collisions", wandev->stats.collisions);
|
| 419 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 420 |
|
|
"receive length errors", wandev->stats.rx_length_errors);
|
| 421 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 422 |
|
|
"receiver overrun errors", wandev->stats.rx_over_errors);
|
| 423 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 424 |
|
|
"CRC errors", wandev->stats.rx_crc_errors);
|
| 425 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 426 |
|
|
"frame format errors (aborts)", wandev->stats.rx_frame_errors);
|
| 427 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 428 |
|
|
"receiver fifo overrun", wandev->stats.rx_fifo_errors);
|
| 429 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 430 |
|
|
"receiver missed packet", wandev->stats.rx_missed_errors);
|
| 431 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 432 |
|
|
"aborted frames transmitted", wandev->stats.tx_aborted_errors);
|
| 433 |
|
|
return cnt;
|
| 434 |
|
|
}
|
| 435 |
|
|
|
| 436 |
|
|
|
| 437 |
|
|
#else /* ------------------- END OF LINUX 2.4.X VERSION -------------*/
|
| 438 |
|
|
|
| 439 |
|
|
|
| 440 |
|
|
|
| 441 |
|
|
/* Proc filesystem interface */
|
| 442 |
|
|
static int router_proc_perms(struct inode *, int);
|
| 443 |
|
|
#ifdef LINUX_2_1
|
| 444 |
|
|
static ssize_t router_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos);
|
| 445 |
|
|
#else
|
| 446 |
|
|
static int router_proc_read(
|
| 447 |
|
|
struct inode* inode, struct file* file, char* buf, int count);
|
| 448 |
|
|
static int device_write(
|
| 449 |
|
|
struct inode* inode, struct file* file, const char* buf, int count);
|
| 450 |
|
|
#endif
|
| 451 |
|
|
|
| 452 |
|
|
/* Methods for preparing data for reading proc entries */
|
| 453 |
|
|
static int config_get_info(char* buf, char** start, off_t offs, int len,
|
| 454 |
|
|
int dummy);
|
| 455 |
|
|
static int status_get_info(char* buf, char** start, off_t offs, int len,
|
| 456 |
|
|
int dummy);
|
| 457 |
|
|
static int wandev_get_info(char* buf, char** start, off_t offs, int len,
|
| 458 |
|
|
int dummy);
|
| 459 |
|
|
|
| 460 |
|
|
/* Miscellaneous */
|
| 461 |
|
|
|
| 462 |
|
|
/*
|
| 463 |
|
|
* Global Data
|
| 464 |
|
|
*/
|
| 465 |
|
|
|
| 466 |
|
|
/*
|
| 467 |
|
|
* Names of the proc directory entries
|
| 468 |
|
|
*/
|
| 469 |
|
|
|
| 470 |
|
|
static char name_root[] = ROUTER_NAME;
|
| 471 |
|
|
static char name_conf[] = "config";
|
| 472 |
|
|
static char name_stat[] = "status";
|
| 473 |
|
|
|
| 474 |
|
|
/*
|
| 475 |
|
|
* Structures for interfacing with the /proc filesystem.
|
| 476 |
|
|
* Router creates its own directory /proc/net/router with the folowing
|
| 477 |
|
|
* entries:
|
| 478 |
|
|
* config device configuration
|
| 479 |
|
|
* status global device statistics
|
| 480 |
|
|
* <device> entry for each WAN device
|
| 481 |
|
|
*/
|
| 482 |
|
|
|
| 483 |
|
|
/*
|
| 484 |
|
|
* Generic /proc/net/router/<file> file and inode operations
|
| 485 |
|
|
*/
|
| 486 |
|
|
#ifdef LINUX_2_1
|
| 487 |
|
|
static struct file_operations router_fops =
|
| 488 |
|
|
{
|
| 489 |
|
|
NULL, /* lseek */
|
| 490 |
|
|
router_proc_read, /* read */
|
| 491 |
|
|
NULL, /* write */
|
| 492 |
|
|
NULL, /* readdir */
|
| 493 |
|
|
NULL, /* select */
|
| 494 |
|
|
NULL, /* ioctl */
|
| 495 |
|
|
NULL, /* mmap */
|
| 496 |
|
|
NULL, /* no special open code */
|
| 497 |
|
|
NULL, /* flush */
|
| 498 |
|
|
NULL, /* no special release code */
|
| 499 |
|
|
NULL /* can't fsync */
|
| 500 |
|
|
};
|
| 501 |
|
|
#else
|
| 502 |
|
|
static struct file_operations router_fops =
|
| 503 |
|
|
{
|
| 504 |
|
|
NULL, /* lseek */
|
| 505 |
|
|
router_proc_read, /* read */
|
| 506 |
|
|
NULL, /* write */
|
| 507 |
|
|
NULL, /* readdir */
|
| 508 |
|
|
NULL, /* select */
|
| 509 |
|
|
NULL, /* ioctl */
|
| 510 |
|
|
NULL, /* mmap */
|
| 511 |
|
|
NULL, /* no special open code */
|
| 512 |
|
|
NULL, /* no special release code */
|
| 513 |
|
|
NULL /* can't fsync */
|
| 514 |
|
|
};
|
| 515 |
|
|
#endif
|
| 516 |
|
|
|
| 517 |
|
|
static struct inode_operations router_inode =
|
| 518 |
|
|
{
|
| 519 |
|
|
&router_fops,
|
| 520 |
|
|
NULL, /* create */
|
| 521 |
|
|
NULL, /* lookup */
|
| 522 |
|
|
NULL, /* link */
|
| 523 |
|
|
NULL, /* unlink */
|
| 524 |
|
|
NULL, /* symlink */
|
| 525 |
|
|
NULL, /* mkdir */
|
| 526 |
|
|
NULL, /* rmdir */
|
| 527 |
|
|
NULL, /* mknod */
|
| 528 |
|
|
NULL, /* rename */
|
| 529 |
|
|
NULL, /* follow link */
|
| 530 |
|
|
NULL, /* readlink */
|
| 531 |
|
|
NULL, /* readpage */
|
| 532 |
|
|
NULL, /* writepage */
|
| 533 |
|
|
NULL, /* bmap */
|
| 534 |
|
|
NULL, /* truncate */
|
| 535 |
|
|
router_proc_perms
|
| 536 |
|
|
};
|
| 537 |
|
|
|
| 538 |
|
|
/*
|
| 539 |
|
|
* /proc/net/router/<device> file and inode operations
|
| 540 |
|
|
*/
|
| 541 |
|
|
|
| 542 |
|
|
#ifdef LINUX_2_1
|
| 543 |
|
|
static struct file_operations wandev_fops =
|
| 544 |
|
|
{
|
| 545 |
|
|
NULL, /* lseek */
|
| 546 |
|
|
router_proc_read, /* read */
|
| 547 |
|
|
NULL, /* write */
|
| 548 |
|
|
NULL, /* readdir */
|
| 549 |
|
|
NULL, /* select */
|
| 550 |
|
|
wanrouter_ioctl, /* ioctl */
|
| 551 |
|
|
NULL, /* mmap */
|
| 552 |
|
|
NULL, /* no special open code */
|
| 553 |
|
|
NULL, /* flush */
|
| 554 |
|
|
NULL, /* no special release code */
|
| 555 |
|
|
NULL /* can't fsync */
|
| 556 |
|
|
};
|
| 557 |
|
|
#else
|
| 558 |
|
|
static struct file_operations wandev_fops =
|
| 559 |
|
|
{
|
| 560 |
|
|
NULL, /* lseek */
|
| 561 |
|
|
router_proc_read, /* read */
|
| 562 |
|
|
device_write, /* write */
|
| 563 |
|
|
NULL, /* readdir */
|
| 564 |
|
|
NULL, /* select */
|
| 565 |
|
|
wanrouter_ioctl, /* ioctl */
|
| 566 |
|
|
NULL, /* mmap */
|
| 567 |
|
|
NULL, /* no special open code */
|
| 568 |
|
|
NULL, /* no special release code */
|
| 569 |
|
|
NULL /* can't fsync */
|
| 570 |
|
|
};
|
| 571 |
|
|
#endif
|
| 572 |
|
|
|
| 573 |
|
|
static struct inode_operations wandev_inode =
|
| 574 |
|
|
{
|
| 575 |
|
|
&wandev_fops,
|
| 576 |
|
|
NULL, /* create */
|
| 577 |
|
|
NULL, /* lookup */
|
| 578 |
|
|
NULL, /* link */
|
| 579 |
|
|
NULL, /* unlink */
|
| 580 |
|
|
NULL, /* symlink */
|
| 581 |
|
|
NULL, /* mkdir */
|
| 582 |
|
|
NULL, /* rmdir */
|
| 583 |
|
|
NULL, /* mknod */
|
| 584 |
|
|
NULL, /* rename */
|
| 585 |
|
|
NULL, /* readlink */
|
| 586 |
|
|
NULL, /* follow_link */
|
| 587 |
|
|
NULL, /* readpage */
|
| 588 |
|
|
NULL, /* writepage */
|
| 589 |
|
|
NULL, /* bmap */
|
| 590 |
|
|
NULL, /* truncate */
|
| 591 |
|
|
router_proc_perms
|
| 592 |
|
|
};
|
| 593 |
|
|
|
| 594 |
|
|
/*
|
| 595 |
|
|
* Proc filesystem derectory entries.
|
| 596 |
|
|
*/
|
| 597 |
|
|
|
| 598 |
|
|
/*
|
| 599 |
|
|
* /proc/net/router
|
| 600 |
|
|
*/
|
| 601 |
|
|
|
| 602 |
|
|
static struct proc_dir_entry proc_router =
|
| 603 |
|
|
{
|
| 604 |
|
|
0, /* .low_ino */
|
| 605 |
|
|
sizeof(name_root) - 1, /* .namelen */
|
| 606 |
|
|
name_root, /* .name */
|
| 607 |
|
|
0555 | S_IFDIR, /* .mode */
|
| 608 |
|
|
2, /* .nlink */
|
| 609 |
|
|
0, /* .uid */
|
| 610 |
|
|
0, /* .gid */
|
| 611 |
|
|
0, /* .size */
|
| 612 |
|
|
&proc_dir_inode_operations, /* .ops */
|
| 613 |
|
|
NULL, /* .get_info */
|
| 614 |
|
|
NULL, /* .fill_node */
|
| 615 |
|
|
NULL, /* .next */
|
| 616 |
|
|
NULL, /* .parent */
|
| 617 |
|
|
NULL, /* .subdir */
|
| 618 |
|
|
NULL, /* .data */
|
| 619 |
|
|
};
|
| 620 |
|
|
|
| 621 |
|
|
/*
|
| 622 |
|
|
* /proc/net/router/config
|
| 623 |
|
|
*/
|
| 624 |
|
|
|
| 625 |
|
|
static struct proc_dir_entry proc_router_conf =
|
| 626 |
|
|
{
|
| 627 |
|
|
0, /* .low_ino */
|
| 628 |
|
|
sizeof(name_conf) - 1, /* .namelen */
|
| 629 |
|
|
name_conf, /* .name */
|
| 630 |
|
|
0444 | S_IFREG, /* .mode */
|
| 631 |
|
|
1, /* .nlink */
|
| 632 |
|
|
0, /* .uid */
|
| 633 |
|
|
0, /* .gid */
|
| 634 |
|
|
0, /* .size */
|
| 635 |
|
|
&router_inode, /* .ops */
|
| 636 |
|
|
&config_get_info, /* .get_info */
|
| 637 |
|
|
NULL, /* .fill_node */
|
| 638 |
|
|
NULL, /* .next */
|
| 639 |
|
|
NULL, /* .parent */
|
| 640 |
|
|
NULL, /* .subdir */
|
| 641 |
|
|
NULL, /* .data */
|
| 642 |
|
|
};
|
| 643 |
|
|
|
| 644 |
|
|
/*
|
| 645 |
|
|
* /proc/net/router/status
|
| 646 |
|
|
*/
|
| 647 |
|
|
|
| 648 |
|
|
static struct proc_dir_entry proc_router_stat =
|
| 649 |
|
|
{
|
| 650 |
|
|
0, /* .low_ino */
|
| 651 |
|
|
sizeof(name_stat) - 1, /* .namelen */
|
| 652 |
|
|
name_stat, /* .name */
|
| 653 |
|
|
0444 | S_IFREG, /* .mode */
|
| 654 |
|
|
1, /* .nlink */
|
| 655 |
|
|
0, /* .uid */
|
| 656 |
|
|
0, /* .gid */
|
| 657 |
|
|
0, /* .size */
|
| 658 |
|
|
&router_inode, /* .ops */
|
| 659 |
|
|
status_get_info, /* .get_info */
|
| 660 |
|
|
NULL, /* .fill_node */
|
| 661 |
|
|
NULL, /* .next */
|
| 662 |
|
|
NULL, /* .parent */
|
| 663 |
|
|
NULL, /* .subdir */
|
| 664 |
|
|
NULL, /* .data */
|
| 665 |
|
|
};
|
| 666 |
|
|
|
| 667 |
|
|
/* Strings */
|
| 668 |
|
|
static char conf_hdr[] =
|
| 669 |
|
|
"Device name | port |IRQ|DMA| mem.addr |mem.size|"
|
| 670 |
|
|
"option1|option2|option3|option4\n";
|
| 671 |
|
|
|
| 672 |
|
|
static char stat_hdr[] =
|
| 673 |
|
|
"Device name |protocol|station|interface|clocking|baud rate| MTU |ndev"
|
| 674 |
|
|
"|link state\n";
|
| 675 |
|
|
|
| 676 |
|
|
|
| 677 |
|
|
/*
|
| 678 |
|
|
* Interface functions
|
| 679 |
|
|
*/
|
| 680 |
|
|
|
| 681 |
|
|
/*
|
| 682 |
|
|
* Initialize router proc interface.
|
| 683 |
|
|
*/
|
| 684 |
|
|
|
| 685 |
|
|
#ifdef LINUX_2_1
|
| 686 |
|
|
__initfunc(int wanrouter_proc_init (void))
|
| 687 |
|
|
{
|
| 688 |
|
|
int err = proc_register(proc_net, &proc_router);
|
| 689 |
|
|
|
| 690 |
|
|
if (!err) {
|
| 691 |
|
|
proc_register(&proc_router, &proc_router_conf);
|
| 692 |
|
|
proc_register(&proc_router, &proc_router_stat);
|
| 693 |
|
|
}
|
| 694 |
|
|
return err;
|
| 695 |
|
|
}
|
| 696 |
|
|
#else
|
| 697 |
|
|
int wanrouter_proc_init (void)
|
| 698 |
|
|
{
|
| 699 |
|
|
int err = proc_register_dynamic(&proc_net, &proc_router);
|
| 700 |
|
|
|
| 701 |
|
|
if (!err) {
|
| 702 |
|
|
proc_register_dynamic(&proc_router, &proc_router_conf);
|
| 703 |
|
|
proc_register_dynamic(&proc_router, &proc_router_stat);
|
| 704 |
|
|
}
|
| 705 |
|
|
return err;
|
| 706 |
|
|
}
|
| 707 |
|
|
#endif
|
| 708 |
|
|
|
| 709 |
|
|
/*
|
| 710 |
|
|
* Clean up router proc interface.
|
| 711 |
|
|
*/
|
| 712 |
|
|
|
| 713 |
|
|
void wanrouter_proc_cleanup (void)
|
| 714 |
|
|
{
|
| 715 |
|
|
proc_unregister(&proc_router, proc_router_conf.low_ino);
|
| 716 |
|
|
proc_unregister(&proc_router, proc_router_stat.low_ino);
|
| 717 |
|
|
#ifdef LINUX_2_1
|
| 718 |
|
|
proc_unregister(proc_net, proc_router.low_ino);
|
| 719 |
|
|
#else
|
| 720 |
|
|
proc_unregister(&proc_net, proc_router.low_ino);
|
| 721 |
|
|
#endif
|
| 722 |
|
|
}
|
| 723 |
|
|
|
| 724 |
|
|
/*
|
| 725 |
|
|
* Add directory entry for WAN device.
|
| 726 |
|
|
*/
|
| 727 |
|
|
|
| 728 |
|
|
int wanrouter_proc_add (wan_device_t* wandev)
|
| 729 |
|
|
{
|
| 730 |
|
|
if (wandev->magic != ROUTER_MAGIC)
|
| 731 |
|
|
return -EINVAL;
|
| 732 |
|
|
|
| 733 |
|
|
memset(&wandev->dent, 0, sizeof(wandev->dent));
|
| 734 |
|
|
wandev->dent.namelen = strlen(wandev->name);
|
| 735 |
|
|
wandev->dent.name = wandev->name;
|
| 736 |
|
|
wandev->dent.mode = 0444 | S_IFREG;
|
| 737 |
|
|
wandev->dent.nlink = 1;
|
| 738 |
|
|
wandev->dent.ops = &wandev_inode;
|
| 739 |
|
|
wandev->dent.get_info = &wandev_get_info;
|
| 740 |
|
|
wandev->dent.data = wandev;
|
| 741 |
|
|
#ifdef LINUX_2_1
|
| 742 |
|
|
return proc_register(&proc_router, &wandev->dent);
|
| 743 |
|
|
#else
|
| 744 |
|
|
return proc_register_dynamic(&proc_router, &wandev->dent);
|
| 745 |
|
|
#endif
|
| 746 |
|
|
}
|
| 747 |
|
|
|
| 748 |
|
|
/*
|
| 749 |
|
|
* Delete directory entry for WAN device.
|
| 750 |
|
|
*/
|
| 751 |
|
|
|
| 752 |
|
|
int wanrouter_proc_delete(wan_device_t* wandev)
|
| 753 |
|
|
{
|
| 754 |
|
|
if (wandev->magic != ROUTER_MAGIC)
|
| 755 |
|
|
return -EINVAL;
|
| 756 |
|
|
proc_unregister(&proc_router, wandev->dent.low_ino);
|
| 757 |
|
|
return 0;
|
| 758 |
|
|
}
|
| 759 |
|
|
|
| 760 |
|
|
/****** Proc filesystem entry points ****************************************/
|
| 761 |
|
|
|
| 762 |
|
|
/*
|
| 763 |
|
|
* Verify access rights.
|
| 764 |
|
|
*/
|
| 765 |
|
|
|
| 766 |
|
|
static int router_proc_perms (struct inode* inode, int op)
|
| 767 |
|
|
{
|
| 768 |
|
|
return 0;
|
| 769 |
|
|
}
|
| 770 |
|
|
|
| 771 |
|
|
/*
|
| 772 |
|
|
* Read router proc directory entry.
|
| 773 |
|
|
* This is universal routine for reading all entries in /proc/net/wanrouter
|
| 774 |
|
|
* directory. Each directory entry contains a pointer to the 'method' for
|
| 775 |
|
|
* preparing data for that entry.
|
| 776 |
|
|
* o verify arguments
|
| 777 |
|
|
* o allocate kernel buffer
|
| 778 |
|
|
* o call get_info() to prepare data
|
| 779 |
|
|
* o copy data to user space
|
| 780 |
|
|
* o release kernel buffer
|
| 781 |
|
|
*
|
| 782 |
|
|
* Return: number of bytes copied to user space (0, if no data)
|
| 783 |
|
|
* <0 error
|
| 784 |
|
|
*/
|
| 785 |
|
|
#ifdef LINUX_2_1
|
| 786 |
|
|
static ssize_t router_proc_read(struct file* file, char* buf, size_t count,
|
| 787 |
|
|
loff_t *ppos)
|
| 788 |
|
|
{
|
| 789 |
|
|
struct inode *inode = file->f_dentry->d_inode;
|
| 790 |
|
|
struct proc_dir_entry* dent;
|
| 791 |
|
|
char* page;
|
| 792 |
|
|
int pos, offs, len;
|
| 793 |
|
|
|
| 794 |
|
|
if (count <= 0)
|
| 795 |
|
|
return 0;
|
| 796 |
|
|
|
| 797 |
|
|
dent = inode->u.generic_ip;
|
| 798 |
|
|
if ((dent == NULL) || (dent->get_info == NULL))
|
| 799 |
|
|
return 0;
|
| 800 |
|
|
|
| 801 |
|
|
page = kmalloc(PROC_BUFSZ, GFP_KERNEL);
|
| 802 |
|
|
if (page == NULL)
|
| 803 |
|
|
return -ENOBUFS;
|
| 804 |
|
|
|
| 805 |
|
|
pos = dent->get_info(page, dent->data, 0, 0, 0);
|
| 806 |
|
|
offs = file->f_pos;
|
| 807 |
|
|
if (offs < pos) {
|
| 808 |
|
|
len = min_t(unsigned int, pos - offs, count);
|
| 809 |
|
|
if (copy_to_user(buf, (page + offs), len)) {
|
| 810 |
|
|
kfree(page);
|
| 811 |
|
|
return -EFAULT;
|
| 812 |
|
|
}
|
| 813 |
|
|
file->f_pos += len;
|
| 814 |
|
|
}
|
| 815 |
|
|
else
|
| 816 |
|
|
len = 0;
|
| 817 |
|
|
kfree(page);
|
| 818 |
|
|
return len;
|
| 819 |
|
|
}
|
| 820 |
|
|
|
| 821 |
|
|
#else
|
| 822 |
|
|
static int router_proc_read(
|
| 823 |
|
|
struct inode* inode, struct file* file, char* buf, int count)
|
| 824 |
|
|
{
|
| 825 |
|
|
struct proc_dir_entry* dent;
|
| 826 |
|
|
char* page;
|
| 827 |
|
|
int err, pos, offs, len;
|
| 828 |
|
|
|
| 829 |
|
|
if (count <= 0)
|
| 830 |
|
|
return 0;
|
| 831 |
|
|
dent = inode->u.generic_ip;
|
| 832 |
|
|
if ((dent == NULL) || (dent->get_info == NULL))
|
| 833 |
|
|
return -ENODATA;
|
| 834 |
|
|
err = verify_area(VERIFY_WRITE, buf, count);
|
| 835 |
|
|
if (err) return err;
|
| 836 |
|
|
|
| 837 |
|
|
page = kmalloc(PROC_BUFSZ, GFP_KERNEL);
|
| 838 |
|
|
if (page == NULL)
|
| 839 |
|
|
return -ENOMEM;
|
| 840 |
|
|
|
| 841 |
|
|
pos = dent->get_info(page, dent->data, 0, 0, 0);
|
| 842 |
|
|
offs = file->f_pos;
|
| 843 |
|
|
if (offs < pos) {
|
| 844 |
|
|
len = min_t(unsigned int, pos - offs, count);
|
| 845 |
|
|
memcpy_tofs((void*)buf, (void*)(page + offs), len);
|
| 846 |
|
|
file->f_pos += len;
|
| 847 |
|
|
}
|
| 848 |
|
|
else len = 0;
|
| 849 |
|
|
kfree(page);
|
| 850 |
|
|
return len;
|
| 851 |
|
|
}
|
| 852 |
|
|
#endif
|
| 853 |
|
|
|
| 854 |
|
|
|
| 855 |
|
|
/*
|
| 856 |
|
|
* Prepare data for reading 'Config' entry.
|
| 857 |
|
|
* Return length of data.
|
| 858 |
|
|
*/
|
| 859 |
|
|
|
| 860 |
|
|
static int config_get_info(char* buf, char** start, off_t offs, int len,
|
| 861 |
|
|
int dummy)
|
| 862 |
|
|
{
|
| 863 |
|
|
int cnt = sizeof(conf_hdr) - 1;
|
| 864 |
|
|
wan_device_t* wandev;
|
| 865 |
|
|
strcpy(buf, conf_hdr);
|
| 866 |
|
|
for (wandev = router_devlist;
|
| 867 |
|
|
wandev && (cnt < (PROC_BUFSZ - 120));
|
| 868 |
|
|
wandev = wandev->next) {
|
| 869 |
|
|
if (wandev->state) cnt += sprintf(&buf[cnt],
|
| 870 |
|
|
"%-15s|0x%-4X|%3u|%3u| 0x%-8lX |0x%-6X|%7u|%7u|%7u|%7u\n",
|
| 871 |
|
|
wandev->name,
|
| 872 |
|
|
wandev->ioport,
|
| 873 |
|
|
wandev->irq,
|
| 874 |
|
|
wandev->dma,
|
| 875 |
|
|
wandev->maddr,
|
| 876 |
|
|
wandev->msize,
|
| 877 |
|
|
wandev->hw_opt[0],
|
| 878 |
|
|
wandev->hw_opt[1],
|
| 879 |
|
|
wandev->hw_opt[2],
|
| 880 |
|
|
wandev->hw_opt[3]);
|
| 881 |
|
|
}
|
| 882 |
|
|
|
| 883 |
|
|
return cnt;
|
| 884 |
|
|
}
|
| 885 |
|
|
|
| 886 |
|
|
/*
|
| 887 |
|
|
* Prepare data for reading 'Status' entry.
|
| 888 |
|
|
* Return length of data.
|
| 889 |
|
|
*/
|
| 890 |
|
|
|
| 891 |
|
|
static int status_get_info(char* buf, char** start, off_t offs, int len,
|
| 892 |
|
|
int dummy)
|
| 893 |
|
|
{
|
| 894 |
|
|
int cnt = 0;
|
| 895 |
|
|
wan_device_t* wandev;
|
| 896 |
|
|
|
| 897 |
|
|
//cnt += sprintf(&buf[cnt], "\nSTATUS:\n\n");
|
| 898 |
|
|
strcpy(&buf[cnt], stat_hdr);
|
| 899 |
|
|
cnt += sizeof(stat_hdr) - 1;
|
| 900 |
|
|
|
| 901 |
|
|
for (wandev = router_devlist;
|
| 902 |
|
|
wandev && (cnt < (PROC_BUFSZ - 80));
|
| 903 |
|
|
wandev = wandev->next) {
|
| 904 |
|
|
if (!wandev->state) continue;
|
| 905 |
|
|
cnt += sprintf(&buf[cnt],
|
| 906 |
|
|
"%-15s|%-8s|%-7s|%-9s|%-8s|%9u|%5u|%3u |",
|
| 907 |
|
|
wandev->name,
|
| 908 |
|
|
PROT_DECODE(wandev->config_id),
|
| 909 |
|
|
wandev->config_id == WANCONFIG_FR ?
|
| 910 |
|
|
(wandev->station ? " Node" : " CPE") :
|
| 911 |
|
|
(wandev->config_id == WANCONFIG_X25 ?
|
| 912 |
|
|
(wandev->station ? " DCE" : " DTE") :
|
| 913 |
|
|
(" N/A")),
|
| 914 |
|
|
wandev->interface ? " V.35" : " RS-232",
|
| 915 |
|
|
wandev->clocking ? "internal" : "external",
|
| 916 |
|
|
wandev->bps,
|
| 917 |
|
|
wandev->mtu,
|
| 918 |
|
|
wandev->ndev);
|
| 919 |
|
|
|
| 920 |
|
|
switch (wandev->state) {
|
| 921 |
|
|
|
| 922 |
|
|
case WAN_UNCONFIGURED:
|
| 923 |
|
|
cnt += sprintf(&buf[cnt], "%-12s\n", "unconfigured");
|
| 924 |
|
|
break;
|
| 925 |
|
|
|
| 926 |
|
|
case WAN_DISCONNECTED:
|
| 927 |
|
|
cnt += sprintf(&buf[cnt], "%-12s\n", "disconnected");
|
| 928 |
|
|
break;
|
| 929 |
|
|
|
| 930 |
|
|
case WAN_CONNECTING:
|
| 931 |
|
|
cnt += sprintf(&buf[cnt], "%-12s\n", "connecting");
|
| 932 |
|
|
break;
|
| 933 |
|
|
|
| 934 |
|
|
case WAN_CONNECTED:
|
| 935 |
|
|
cnt += sprintf(&buf[cnt], "%-12s\n", "connected");
|
| 936 |
|
|
break;
|
| 937 |
|
|
|
| 938 |
|
|
case WAN_FT1_READY:
|
| 939 |
|
|
cnt += sprintf(&buf[cnt], "%-12s\n", "ft1 ready");
|
| 940 |
|
|
break;
|
| 941 |
|
|
|
| 942 |
|
|
default:
|
| 943 |
|
|
cnt += sprintf(&buf[cnt], "%-12s\n", "invalid");
|
| 944 |
|
|
break;
|
| 945 |
|
|
}
|
| 946 |
|
|
}
|
| 947 |
|
|
return cnt;
|
| 948 |
|
|
}
|
| 949 |
|
|
|
| 950 |
|
|
/*
|
| 951 |
|
|
* Prepare data for reading <device> entry.
|
| 952 |
|
|
* Return length of data.
|
| 953 |
|
|
*
|
| 954 |
|
|
* On entry, the 'start' argument will contain a pointer to WAN device
|
| 955 |
|
|
* data space.
|
| 956 |
|
|
*/
|
| 957 |
|
|
|
| 958 |
|
|
static int wandev_get_info(char* buf, char** start, off_t offs, int len,
|
| 959 |
|
|
int dummy)
|
| 960 |
|
|
{
|
| 961 |
|
|
wan_device_t* wandev = (void*)start;
|
| 962 |
|
|
int cnt = 0;
|
| 963 |
|
|
int rslt = 0;
|
| 964 |
|
|
|
| 965 |
|
|
if ((wandev == NULL) || (wandev->magic != ROUTER_MAGIC))
|
| 966 |
|
|
return 0;
|
| 967 |
|
|
if (!wandev->state)
|
| 968 |
|
|
return sprintf(&buf[cnt], "Device is not configured!\n");
|
| 969 |
|
|
|
| 970 |
|
|
/* Update device statistics */
|
| 971 |
|
|
if (wandev->update) {
|
| 972 |
|
|
|
| 973 |
|
|
rslt = wandev->update(wandev);
|
| 974 |
|
|
if(rslt) {
|
| 975 |
|
|
switch (rslt) {
|
| 976 |
|
|
case -EAGAIN:
|
| 977 |
|
|
return sprintf(&buf[cnt], "Device is busy!\n");
|
| 978 |
|
|
|
| 979 |
|
|
default:
|
| 980 |
|
|
return sprintf(&buf[cnt],
|
| 981 |
|
|
"Device is not configured!\n");
|
| 982 |
|
|
}
|
| 983 |
|
|
}
|
| 984 |
|
|
}
|
| 985 |
|
|
|
| 986 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 987 |
|
|
"total packets received", wandev->stats.rx_packets);
|
| 988 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 989 |
|
|
"total packets transmitted", wandev->stats.tx_packets);
|
| 990 |
|
|
#ifdef LINUX_2_1
|
| 991 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 992 |
|
|
"total bytes received", wandev->stats.rx_bytes);
|
| 993 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 994 |
|
|
"total bytes transmitted", wandev->stats.tx_bytes);
|
| 995 |
|
|
#endif
|
| 996 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 997 |
|
|
"bad packets received", wandev->stats.rx_errors);
|
| 998 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 999 |
|
|
"packet transmit problems", wandev->stats.tx_errors);
|
| 1000 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 1001 |
|
|
"received frames dropped", wandev->stats.rx_dropped);
|
| 1002 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 1003 |
|
|
"transmit frames dropped", wandev->stats.tx_dropped);
|
| 1004 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 1005 |
|
|
"multicast packets received", wandev->stats.multicast);
|
| 1006 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 1007 |
|
|
"transmit collisions", wandev->stats.collisions);
|
| 1008 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 1009 |
|
|
"receive length errors", wandev->stats.rx_length_errors);
|
| 1010 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 1011 |
|
|
"receiver overrun errors", wandev->stats.rx_over_errors);
|
| 1012 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 1013 |
|
|
"CRC errors", wandev->stats.rx_crc_errors);
|
| 1014 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 1015 |
|
|
"frame format errors (aborts)", wandev->stats.rx_frame_errors);
|
| 1016 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 1017 |
|
|
"receiver fifo overrun", wandev->stats.rx_fifo_errors);
|
| 1018 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 1019 |
|
|
"receiver missed packet", wandev->stats.rx_missed_errors);
|
| 1020 |
|
|
cnt += sprintf(&buf[cnt], PROC_STATS_FORMAT,
|
| 1021 |
|
|
"aborted frames transmitted", wandev->stats.tx_aborted_errors);
|
| 1022 |
|
|
|
| 1023 |
|
|
return cnt;
|
| 1024 |
|
|
}
|
| 1025 |
|
|
|
| 1026 |
|
|
#endif /* End of ifdef LINUX_2_4 */
|
| 1027 |
|
|
|
| 1028 |
|
|
|
| 1029 |
|
|
#else
|
| 1030 |
|
|
|
| 1031 |
|
|
/*
|
| 1032 |
|
|
* No /proc - output stubs
|
| 1033 |
|
|
*/
|
| 1034 |
|
|
|
| 1035 |
|
|
int __init wanrouter_proc_init(void)
|
| 1036 |
|
|
{
|
| 1037 |
|
|
return 0;
|
| 1038 |
|
|
}
|
| 1039 |
|
|
|
| 1040 |
|
|
void wanrouter_proc_cleanup(void)
|
| 1041 |
|
|
{
|
| 1042 |
|
|
return;
|
| 1043 |
|
|
}
|
| 1044 |
|
|
|
| 1045 |
|
|
int wanrouter_proc_add(wan_device_t *wandev)
|
| 1046 |
|
|
{
|
| 1047 |
|
|
return 0;
|
| 1048 |
|
|
}
|
| 1049 |
|
|
|
| 1050 |
|
|
int wanrouter_proc_delete(wan_device_t *wandev)
|
| 1051 |
|
|
{
|
| 1052 |
|
|
return 0;
|
| 1053 |
|
|
}
|
| 1054 |
|
|
|
| 1055 |
|
|
#endif
|
| 1056 |
|
|
|
| 1057 |
|
|
/*============================================================================
|
| 1058 |
|
|
* Write WAN device ???.
|
| 1059 |
|
|
* o Find WAN device associated with this node
|
| 1060 |
|
|
*/
|
| 1061 |
|
|
#ifdef LINUX_2_0
|
| 1062 |
|
|
static int device_write(
|
| 1063 |
|
|
struct inode* inode, struct file* file, const char* buf, int count)
|
| 1064 |
|
|
{
|
| 1065 |
|
|
int err = verify_area(VERIFY_READ, buf, count);
|
| 1066 |
|
|
struct proc_dir_entry* dent;
|
| 1067 |
|
|
wan_device_t* wandev;
|
| 1068 |
|
|
|
| 1069 |
|
|
if (err) return err;
|
| 1070 |
|
|
|
| 1071 |
|
|
dent = inode->u.generic_ip;
|
| 1072 |
|
|
if ((dent == NULL) || (dent->data == NULL))
|
| 1073 |
|
|
return -ENODATA;
|
| 1074 |
|
|
|
| 1075 |
|
|
wandev = dent->data;
|
| 1076 |
|
|
|
| 1077 |
|
|
printk(KERN_ERR "%s: writing %d bytes to %s...\n",
|
| 1078 |
|
|
name_root, count, dent->name);
|
| 1079 |
|
|
|
| 1080 |
|
|
return 0;
|
| 1081 |
|
|
}
|
| 1082 |
|
|
#endif
|
| 1083 |
|
|
|
| 1084 |
|
|
/*
|
| 1085 |
|
|
* End
|
| 1086 |
|
|
*/
|
| 1087 |
|
|
|
