LXR linux/net/dccp/sysctl.c

   1/*
   2 *  net/dccp/sysctl.c
   3 *
   4 *  An implementation of the DCCP protocol
   5 *  Arnaldo Carvalho de Melo <acme@mandriva.com>
   6 *
   7 *      This program is free software; you can redistribute it and/or
   8 *      modify it under the terms of the GNU General Public License v2
   9 *      as published by the Free Software Foundation.
  10 */
  11
  12#include <linux/mm.h>
  13#include <linux/sysctl.h>
  14#include "dccp.h"
  15#include "feat.h"
  16
  17#ifndef CONFIG_SYSCTL
  18#error This file should not be compiled without CONFIG_SYSCTL defined
  19#endif
  20
  21static struct ctl_table dccp_default_table[] = {
  22        {
  23                .procname       = "seq_window",
  24                .data           = &sysctl_dccp_feat_sequence_window,
  25                .maxlen         = sizeof(sysctl_dccp_feat_sequence_window),
  26                .mode           = 0644,
  27                .proc_handler   = proc_dointvec,
  28        },
  29        {
  30                .procname       = "rx_ccid",
  31                .data           = &sysctl_dccp_feat_rx_ccid,
  32                .maxlen         = sizeof(sysctl_dccp_feat_rx_ccid),
  33                .mode           = 0644,
  34                .proc_handler   = proc_dointvec,
  35        },
  36        {
  37                .procname       = "tx_ccid",
  38                .data           = &sysctl_dccp_feat_tx_ccid,
  39                .maxlen         = sizeof(sysctl_dccp_feat_tx_ccid),
  40                .mode           = 0644,
  41                .proc_handler   = proc_dointvec,
  42        },
  43        {
  44                .procname       = "ack_ratio",
  45                .data           = &sysctl_dccp_feat_ack_ratio,
  46                .maxlen         = sizeof(sysctl_dccp_feat_ack_ratio),
  47                .mode           = 0644,
  48                .proc_handler   = proc_dointvec,
  49        },
  50        {
  51                .procname       = "send_ackvec",
  52                .data           = &sysctl_dccp_feat_send_ack_vector,
  53                .maxlen         = sizeof(sysctl_dccp_feat_send_ack_vector),
  54                .mode           = 0644,
  55                .proc_handler   = proc_dointvec,
  56        },
  57        {
  58                .procname       = "send_ndp",
  59                .data           = &sysctl_dccp_feat_send_ndp_count,
  60                .maxlen         = sizeof(sysctl_dccp_feat_send_ndp_count),
  61                .mode           = 0644,
  62                .proc_handler   = proc_dointvec,
  63        },
  64        {
  65                .procname       = "request_retries",
  66                .data           = &sysctl_dccp_request_retries,
  67                .maxlen         = sizeof(sysctl_dccp_request_retries),
  68                .mode           = 0644,
  69                .proc_handler   = proc_dointvec,
  70        },
  71        {
  72                .procname       = "retries1",
  73                .data           = &sysctl_dccp_retries1,
  74                .maxlen         = sizeof(sysctl_dccp_retries1),
  75                .mode           = 0644,
  76                .proc_handler   = proc_dointvec,
  77        },
  78        {
  79                .procname       = "retries2",
  80                .data           = &sysctl_dccp_retries2,
  81                .maxlen         = sizeof(sysctl_dccp_retries2),
  82                .mode           = 0644,
  83                .proc_handler   = proc_dointvec,
  84        },
  85        {
  86                .procname       = "tx_qlen",
  87                .data           = &sysctl_dccp_tx_qlen,
  88                .maxlen         = sizeof(sysctl_dccp_tx_qlen),
  89                .mode           = 0644,
  90                .proc_handler   = proc_dointvec,
  91        },
  92        {
  93                .procname       = "sync_ratelimit",
  94                .data           = &sysctl_dccp_sync_ratelimit,
  95                .maxlen         = sizeof(sysctl_dccp_sync_ratelimit),
  96                .mode           = 0644,
  97                .proc_handler   = proc_dointvec_ms_jiffies,
  98        },
  99
 100        { .ctl_name = 0, }
 101};
 102
 103static struct ctl_table dccp_table[] = {
 104        {
 105                .ctl_name       = NET_DCCP_DEFAULT,
 106                .procname       = "default",
 107                .mode           = 0555,
 108                .child          = dccp_default_table,
 109        },
 110        { .ctl_name = 0, },
 111};
 112
 113static struct ctl_table dccp_dir_table[] = {
 114        {
 115                .ctl_name       = NET_DCCP,
 116                .procname       = "dccp",
 117                .mode           = 0555,
 118                .child          = dccp_table,
 119        },
 120        { .ctl_name = 0, },
 121};
 122
 123static struct ctl_table dccp_root_table[] = {
 124        {
 125                .ctl_name       = CTL_NET,
 126                .procname       = "net",
 127                .mode           = 0555,
 128                .child          = dccp_dir_table,
 129        },
 130        { .ctl_name = 0, },
 131};
 132
 133static struct ctl_table_header *dccp_table_header;
 134
 135int __init dccp_sysctl_init(void)
 136{
 137        dccp_table_header = register_sysctl_table(dccp_root_table);
 138
 139        return dccp_table_header != NULL ? 0 : -ENOMEM;
 140}
 141
 142void dccp_sysctl_exit(void)
 143{
 144        if (dccp_table_header != NULL) {
 145                unregister_sysctl_table(dccp_table_header);
 146                dccp_table_header = NULL;
 147        }
 148}
 149