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/*
* net/dccp/sysctl.c
*
* An implementation of the DCCP protocol
* Arnaldo Carvalho de Melo <acme@mandriva.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License v2
* as published by the Free Software Foundation.
*/
#include <linux/mm.h>
#include <linux/sysctl.h>
#include "dccp.h"
#include "feat.h"
#ifndef CONFIG_SYSCTL
#error This file should not be compiled without CONFIG_SYSCTL defined
#endif
/* rate-limit for syncs in reply to sequence-invalid packets; RFC 4340, 7.5.4 */
int sysctl_dccp_sync_ratelimit __read_mostly = HZ / 8;
static struct ctl_table dccp_default_table[] = {
{
.procname = "seq_window",
.data = &sysctl_dccp_feat_sequence_window,
.maxlen = sizeof(sysctl_dccp_feat_sequence_window),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "rx_ccid",
.data = &sysctl_dccp_feat_rx_ccid,
.maxlen = sizeof(sysctl_dccp_feat_rx_ccid),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "tx_ccid",
.data = &sysctl_dccp_feat_tx_ccid,
.maxlen = sizeof(sysctl_dccp_feat_tx_ccid),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "ack_ratio",
.data = &sysctl_dccp_feat_ack_ratio,
.maxlen = sizeof(sysctl_dccp_feat_ack_ratio),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "send_ackvec",
.data = &sysctl_dccp_feat_send_ack_vector,
.maxlen = sizeof(sysctl_dccp_feat_send_ack_vector),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "send_ndp",
.data = &sysctl_dccp_feat_send_ndp_count,
.maxlen = sizeof(sysctl_dccp_feat_send_ndp_count),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "request_retries",
.data = &sysctl_dccp_request_retries,
.maxlen = sizeof(sysctl_dccp_request_retries),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "retries1",
.data = &sysctl_dccp_retries1,
.maxlen = sizeof(sysctl_dccp_retries1),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "retries2",
.data = &sysctl_dccp_retries2,
.maxlen = sizeof(sysctl_dccp_retries2),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "tx_qlen",
.data = &sysctl_dccp_tx_qlen,
.maxlen = sizeof(sysctl_dccp_tx_qlen),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "sync_ratelimit",
.data = &sysctl_dccp_sync_ratelimit,
.maxlen = sizeof(sysctl_dccp_sync_ratelimit),
.mode = 0644,
.proc_handler = proc_dointvec_ms_jiffies,
},
{ .ctl_name = 0, }
};
static struct ctl_table dccp_table[] = {
{
.ctl_name = NET_DCCP_DEFAULT,
.procname = "default",
.mode = 0555,
.child = dccp_default_table,
},
{ .ctl_name = 0, },
};
static struct ctl_table dccp_dir_table[] = {
{
.ctl_name = NET_DCCP,
.procname = "dccp",
.mode = 0555,
.child = dccp_table,
},
{ .ctl_name = 0, },
};
static struct ctl_table dccp_root_table[] = {
{
.ctl_name = CTL_NET,
.procname = "net",
.mode = 0555,
.child = dccp_dir_table,
},
{ .ctl_name = 0, },
};
static struct ctl_table_header *dccp_table_header;
int __init dccp_sysctl_init(void)
{
dccp_table_header = register_sysctl_table(dccp_root_table);
return dccp_table_header != NULL ? 0 : -ENOMEM;
}
void dccp_sysctl_exit(void)
{
if (dccp_table_header != NULL) {
unregister_sysctl_table(dccp_table_header);
dccp_table_header = NULL;
}
}
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