699 lines
16 KiB
C
699 lines
16 KiB
C
|
/*
|
||
|
|
* sysctl_net_ipv4.c: sysctl interface to net IPV4 subsystem.
|
||
|
|
*
|
||
|
|
* $Id: sysctl_net_ipv4.c,v 1.50 2001/10/20 00:00:11 davem Exp $
|
||
|
|
*
|
||
|
|
* Begun April 1, 1996, Mike Shaver.
|
||
|
|
* Added /proc/sys/net/ipv4 directory entry (empty =) ). [MS]
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/mm.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/sysctl.h>
|
||
|
|
#include <linux/config.h>
|
||
|
|
#include <net/snmp.h>
|
||
|
|
#include <net/ip.h>
|
||
|
|
#include <net/route.h>
|
||
|
|
#include <net/tcp.h>
|
||
|
|
|
||
|
|
/* From af_inet.c */
|
||
|
|
extern int sysctl_ip_nonlocal_bind;
|
||
|
|
|
||
|
|
/* From icmp.c */
|
||
|
|
extern int sysctl_icmp_echo_ignore_all;
|
||
|
|
extern int sysctl_icmp_echo_ignore_broadcasts;
|
||
|
|
extern int sysctl_icmp_ignore_bogus_error_responses;
|
||
|
|
|
||
|
|
/* From ip_fragment.c */
|
||
|
|
extern int sysctl_ipfrag_low_thresh;
|
||
|
|
extern int sysctl_ipfrag_high_thresh;
|
||
|
|
extern int sysctl_ipfrag_time;
|
||
|
|
extern int sysctl_ipfrag_secret_interval;
|
||
|
|
|
||
|
|
/* From ip_output.c */
|
||
|
|
extern int sysctl_ip_dynaddr;
|
||
|
|
|
||
|
|
/* From icmp.c */
|
||
|
|
extern int sysctl_icmp_ratelimit;
|
||
|
|
extern int sysctl_icmp_ratemask;
|
||
|
|
|
||
|
|
/* From igmp.c */
|
||
|
|
extern int sysctl_igmp_max_memberships;
|
||
|
|
extern int sysctl_igmp_max_msf;
|
||
|
|
|
||
|
|
/* From inetpeer.c */
|
||
|
|
extern int inet_peer_threshold;
|
||
|
|
extern int inet_peer_minttl;
|
||
|
|
extern int inet_peer_maxttl;
|
||
|
|
extern int inet_peer_gc_mintime;
|
||
|
|
extern int inet_peer_gc_maxtime;
|
||
|
|
|
||
|
|
#ifdef CONFIG_SYSCTL
|
||
|
|
static int tcp_retr1_max = 255;
|
||
|
|
static int ip_local_port_range_min[] = { 1, 1 };
|
||
|
|
static int ip_local_port_range_max[] = { 65535, 65535 };
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct ipv4_config ipv4_config;
|
||
|
|
|
||
|
|
extern ctl_table ipv4_route_table[];
|
||
|
|
|
||
|
|
#ifdef CONFIG_SYSCTL
|
||
|
|
|
||
|
|
static
|
||
|
|
int ipv4_sysctl_forward(ctl_table *ctl, int write, struct file * filp,
|
||
|
|
void __user *buffer, size_t *lenp, loff_t *ppos)
|
||
|
|
{
|
||
|
|
int val = ipv4_devconf.forwarding;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos);
|
||
|
|
|
||
|
|
if (write && ipv4_devconf.forwarding != val)
|
||
|
|
inet_forward_change();
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int ipv4_sysctl_forward_strategy(ctl_table *table,
|
||
|
|
int __user *name, int nlen,
|
||
|
|
void __user *oldval, size_t __user *oldlenp,
|
||
|
|
void __user *newval, size_t newlen,
|
||
|
|
void **context)
|
||
|
|
{
|
||
|
|
int *valp = table->data;
|
||
|
|
int new;
|
||
|
|
|
||
|
|
if (!newval || !newlen)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
if (newlen != sizeof(int))
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
if (get_user(new, (int __user *)newval))
|
||
|
|
return -EFAULT;
|
||
|
|
|
||
|
|
if (new == *valp)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
if (oldval && oldlenp) {
|
||
|
|
size_t len;
|
||
|
|
|
||
|
|
if (get_user(len, oldlenp))
|
||
|
|
return -EFAULT;
|
||
|
|
|
||
|
|
if (len) {
|
||
|
|
if (len > table->maxlen)
|
||
|
|
len = table->maxlen;
|
||
|
|
if (copy_to_user(oldval, valp, len))
|
||
|
|
return -EFAULT;
|
||
|
|
if (put_user(len, oldlenp))
|
||
|
|
return -EFAULT;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
*valp = new;
|
||
|
|
inet_forward_change();
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
ctl_table ipv4_table[] = {
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_TCP_TIMESTAMPS,
|
||
|
|
.procname = "tcp_timestamps",
|
||
|
|
.data = &sysctl_tcp_timestamps,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_TCP_WINDOW_SCALING,
|
||
|
|
.procname = "tcp_window_scaling",
|
||
|
|
.data = &sysctl_tcp_window_scaling,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_TCP_SACK,
|
||
|
|
.procname = "tcp_sack",
|
||
|
|
.data = &sysctl_tcp_sack,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_TCP_RETRANS_COLLAPSE,
|
||
|
|
.procname = "tcp_retrans_collapse",
|
||
|
|
.data = &sysctl_tcp_retrans_collapse,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_FORWARD,
|
||
|
|
.procname = "ip_forward",
|
||
|
|
.data = &ipv4_devconf.forwarding,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &ipv4_sysctl_forward,
|
||
|
|
.strategy = &ipv4_sysctl_forward_strategy
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_DEFAULT_TTL,
|
||
|
|
.procname = "ip_default_ttl",
|
||
|
|
.data = &sysctl_ip_default_ttl,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &ipv4_doint_and_flush,
|
||
|
|
.strategy = &ipv4_doint_and_flush_strategy,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_AUTOCONFIG,
|
||
|
|
.procname = "ip_autoconfig",
|
||
|
|
.data = &ipv4_config.autoconfig,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_NO_PMTU_DISC,
|
||
|
|
.procname = "ip_no_pmtu_disc",
|
||
|
|
.data = &ipv4_config.no_pmtu_disc,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_NONLOCAL_BIND,
|
||
|
|
.procname = "ip_nonlocal_bind",
|
||
|
|
.data = &sysctl_ip_nonlocal_bind,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_TCP_SYN_RETRIES,
|
||
|
|
.procname = "tcp_syn_retries",
|
||
|
|
.data = &sysctl_tcp_syn_retries,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_SYNACK_RETRIES,
|
||
|
|
.procname = "tcp_synack_retries",
|
||
|
|
.data = &sysctl_tcp_synack_retries,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_MAX_ORPHANS,
|
||
|
|
.procname = "tcp_max_orphans",
|
||
|
|
.data = &sysctl_tcp_max_orphans,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_MAX_TW_BUCKETS,
|
||
|
|
.procname = "tcp_max_tw_buckets",
|
||
|
|
.data = &sysctl_tcp_max_tw_buckets,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_IPFRAG_HIGH_THRESH,
|
||
|
|
.procname = "ipfrag_high_thresh",
|
||
|
|
.data = &sysctl_ipfrag_high_thresh,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_IPFRAG_LOW_THRESH,
|
||
|
|
.procname = "ipfrag_low_thresh",
|
||
|
|
.data = &sysctl_ipfrag_low_thresh,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_DYNADDR,
|
||
|
|
.procname = "ip_dynaddr",
|
||
|
|
.data = &sysctl_ip_dynaddr,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_IPFRAG_TIME,
|
||
|
|
.procname = "ipfrag_time",
|
||
|
|
.data = &sysctl_ipfrag_time,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec_jiffies,
|
||
|
|
.strategy = &sysctl_jiffies
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_TCP_KEEPALIVE_TIME,
|
||
|
|
.procname = "tcp_keepalive_time",
|
||
|
|
.data = &sysctl_tcp_keepalive_time,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec_jiffies,
|
||
|
|
.strategy = &sysctl_jiffies
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_TCP_KEEPALIVE_PROBES,
|
||
|
|
.procname = "tcp_keepalive_probes",
|
||
|
|
.data = &sysctl_tcp_keepalive_probes,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_TCP_KEEPALIVE_INTVL,
|
||
|
|
.procname = "tcp_keepalive_intvl",
|
||
|
|
.data = &sysctl_tcp_keepalive_intvl,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec_jiffies,
|
||
|
|
.strategy = &sysctl_jiffies
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_TCP_RETRIES1,
|
||
|
|
.procname = "tcp_retries1",
|
||
|
|
.data = &sysctl_tcp_retries1,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec_minmax,
|
||
|
|
.strategy = &sysctl_intvec,
|
||
|
|
.extra2 = &tcp_retr1_max
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_TCP_RETRIES2,
|
||
|
|
.procname = "tcp_retries2",
|
||
|
|
.data = &sysctl_tcp_retries2,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_TCP_FIN_TIMEOUT,
|
||
|
|
.procname = "tcp_fin_timeout",
|
||
|
|
.data = &sysctl_tcp_fin_timeout,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec_jiffies,
|
||
|
|
.strategy = &sysctl_jiffies
|
||
|
|
},
|
||
|
|
#ifdef CONFIG_SYN_COOKIES
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_SYNCOOKIES,
|
||
|
|
.procname = "tcp_syncookies",
|
||
|
|
.data = &sysctl_tcp_syncookies,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_TW_RECYCLE,
|
||
|
|
.procname = "tcp_tw_recycle",
|
||
|
|
.data = &sysctl_tcp_tw_recycle,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_ABORT_ON_OVERFLOW,
|
||
|
|
.procname = "tcp_abort_on_overflow",
|
||
|
|
.data = &sysctl_tcp_abort_on_overflow,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_STDURG,
|
||
|
|
.procname = "tcp_stdurg",
|
||
|
|
.data = &sysctl_tcp_stdurg,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_RFC1337,
|
||
|
|
.procname = "tcp_rfc1337",
|
||
|
|
.data = &sysctl_tcp_rfc1337,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_MAX_SYN_BACKLOG,
|
||
|
|
.procname = "tcp_max_syn_backlog",
|
||
|
|
.data = &sysctl_max_syn_backlog,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_LOCAL_PORT_RANGE,
|
||
|
|
.procname = "ip_local_port_range",
|
||
|
|
.data = &sysctl_local_port_range,
|
||
|
|
.maxlen = sizeof(sysctl_local_port_range),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec_minmax,
|
||
|
|
.strategy = &sysctl_intvec,
|
||
|
|
.extra1 = ip_local_port_range_min,
|
||
|
|
.extra2 = ip_local_port_range_max
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_ICMP_ECHO_IGNORE_ALL,
|
||
|
|
.procname = "icmp_echo_ignore_all",
|
||
|
|
.data = &sysctl_icmp_echo_ignore_all,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,
|
||
|
|
.procname = "icmp_echo_ignore_broadcasts",
|
||
|
|
.data = &sysctl_icmp_echo_ignore_broadcasts,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,
|
||
|
|
.procname = "icmp_ignore_bogus_error_responses",
|
||
|
|
.data = &sysctl_icmp_ignore_bogus_error_responses,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_ROUTE,
|
||
|
|
.procname = "route",
|
||
|
|
.maxlen = 0,
|
||
|
|
.mode = 0555,
|
||
|
|
.child = ipv4_route_table
|
||
|
|
},
|
||
|
|
#ifdef CONFIG_IP_MULTICAST
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_IGMP_MAX_MEMBERSHIPS,
|
||
|
|
.procname = "igmp_max_memberships",
|
||
|
|
.data = &sysctl_igmp_max_memberships,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_IGMP_MAX_MSF,
|
||
|
|
.procname = "igmp_max_msf",
|
||
|
|
.data = &sysctl_igmp_max_msf,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_INET_PEER_THRESHOLD,
|
||
|
|
.procname = "inet_peer_threshold",
|
||
|
|
.data = &inet_peer_threshold,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_INET_PEER_MINTTL,
|
||
|
|
.procname = "inet_peer_minttl",
|
||
|
|
.data = &inet_peer_minttl,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec_jiffies,
|
||
|
|
.strategy = &sysctl_jiffies
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_INET_PEER_MAXTTL,
|
||
|
|
.procname = "inet_peer_maxttl",
|
||
|
|
.data = &inet_peer_maxttl,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec_jiffies,
|
||
|
|
.strategy = &sysctl_jiffies
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_INET_PEER_GC_MINTIME,
|
||
|
|
.procname = "inet_peer_gc_mintime",
|
||
|
|
.data = &inet_peer_gc_mintime,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec_jiffies,
|
||
|
|
.strategy = &sysctl_jiffies
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_INET_PEER_GC_MAXTIME,
|
||
|
|
.procname = "inet_peer_gc_maxtime",
|
||
|
|
.data = &inet_peer_gc_maxtime,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec_jiffies,
|
||
|
|
.strategy = &sysctl_jiffies
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_ORPHAN_RETRIES,
|
||
|
|
.procname = "tcp_orphan_retries",
|
||
|
|
.data = &sysctl_tcp_orphan_retries,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_FACK,
|
||
|
|
.procname = "tcp_fack",
|
||
|
|
.data = &sysctl_tcp_fack,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_REORDERING,
|
||
|
|
.procname = "tcp_reordering",
|
||
|
|
.data = &sysctl_tcp_reordering,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_ECN,
|
||
|
|
.procname = "tcp_ecn",
|
||
|
|
.data = &sysctl_tcp_ecn,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_DSACK,
|
||
|
|
.procname = "tcp_dsack",
|
||
|
|
.data = &sysctl_tcp_dsack,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_MEM,
|
||
|
|
.procname = "tcp_mem",
|
||
|
|
.data = &sysctl_tcp_mem,
|
||
|
|
.maxlen = sizeof(sysctl_tcp_mem),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_WMEM,
|
||
|
|
.procname = "tcp_wmem",
|
||
|
|
.data = &sysctl_tcp_wmem,
|
||
|
|
.maxlen = sizeof(sysctl_tcp_wmem),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_RMEM,
|
||
|
|
.procname = "tcp_rmem",
|
||
|
|
.data = &sysctl_tcp_rmem,
|
||
|
|
.maxlen = sizeof(sysctl_tcp_rmem),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_APP_WIN,
|
||
|
|
.procname = "tcp_app_win",
|
||
|
|
.data = &sysctl_tcp_app_win,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_ADV_WIN_SCALE,
|
||
|
|
.procname = "tcp_adv_win_scale",
|
||
|
|
.data = &sysctl_tcp_adv_win_scale,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_ICMP_RATELIMIT,
|
||
|
|
.procname = "icmp_ratelimit",
|
||
|
|
.data = &sysctl_icmp_ratelimit,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_ICMP_RATEMASK,
|
||
|
|
.procname = "icmp_ratemask",
|
||
|
|
.data = &sysctl_icmp_ratemask,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_TW_REUSE,
|
||
|
|
.procname = "tcp_tw_reuse",
|
||
|
|
.data = &sysctl_tcp_tw_reuse,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_FRTO,
|
||
|
|
.procname = "tcp_frto",
|
||
|
|
.data = &sysctl_tcp_frto,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_LOW_LATENCY,
|
||
|
|
.procname = "tcp_low_latency",
|
||
|
|
.data = &sysctl_tcp_low_latency,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_IPV4_IPFRAG_SECRET_INTERVAL,
|
||
|
|
.procname = "ipfrag_secret_interval",
|
||
|
|
.data = &sysctl_ipfrag_secret_interval,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec_jiffies,
|
||
|
|
.strategy = &sysctl_jiffies
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_NO_METRICS_SAVE,
|
||
|
|
.procname = "tcp_no_metrics_save",
|
||
|
|
.data = &sysctl_tcp_nometrics_save,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_WESTWOOD,
|
||
|
|
.procname = "tcp_westwood",
|
||
|
|
.data = &sysctl_tcp_westwood,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_VEGAS,
|
||
|
|
.procname = "tcp_vegas_cong_avoid",
|
||
|
|
.data = &sysctl_tcp_vegas_cong_avoid,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_VEGAS_ALPHA,
|
||
|
|
.procname = "tcp_vegas_alpha",
|
||
|
|
.data = &sysctl_tcp_vegas_alpha,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_VEGAS_BETA,
|
||
|
|
.procname = "tcp_vegas_beta",
|
||
|
|
.data = &sysctl_tcp_vegas_beta,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_VEGAS_GAMMA,
|
||
|
|
.procname = "tcp_vegas_gamma",
|
||
|
|
.data = &sysctl_tcp_vegas_gamma,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_BIC,
|
||
|
|
.procname = "tcp_bic",
|
||
|
|
.data = &sysctl_tcp_bic,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_BIC_FAST_CONVERGENCE,
|
||
|
|
.procname = "tcp_bic_fast_convergence",
|
||
|
|
.data = &sysctl_tcp_bic_fast_convergence,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_BIC_LOW_WINDOW,
|
||
|
|
.procname = "tcp_bic_low_window",
|
||
|
|
.data = &sysctl_tcp_bic_low_window,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_MODERATE_RCVBUF,
|
||
|
|
.procname = "tcp_moderate_rcvbuf",
|
||
|
|
.data = &sysctl_tcp_moderate_rcvbuf,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_TSO_WIN_DIVISOR,
|
||
|
|
.procname = "tcp_tso_win_divisor",
|
||
|
|
.data = &sysctl_tcp_tso_win_divisor,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_TCP_BIC_BETA,
|
||
|
|
.procname = "tcp_bic_beta",
|
||
|
|
.data = &sysctl_tcp_bic_beta,
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = &proc_dointvec,
|
||
|
|
},
|
||
|
|
{ .ctl_name = 0 }
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* CONFIG_SYSCTL */
|
||
|
|
|
||
|
|
EXPORT_SYMBOL(ipv4_config);
|