linux/net/llc/sysctl_net_llc.c

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/*
* sysctl_net_llc.c: sysctl interface to LLC net subsystem.
*
* Arnaldo Carvalho de Melo <acme@conectiva.com.br>
*/
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/sysctl.h>
#include <net/llc.h>
#ifndef CONFIG_SYSCTL
#error This file should not be compiled without CONFIG_SYSCTL defined
#endif
static struct ctl_table llc2_timeout_table[] = {
{
.ctl_name = NET_LLC2_ACK_TIMEOUT,
.procname = "ack",
.data = &sysctl_llc2_ack_timeout,
.maxlen = sizeof(long),
.mode = 0644,
.proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{
.ctl_name = NET_LLC2_BUSY_TIMEOUT,
.procname = "busy",
.data = &sysctl_llc2_busy_timeout,
.maxlen = sizeof(long),
.mode = 0644,
.proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{
.ctl_name = NET_LLC2_P_TIMEOUT,
.procname = "p",
.data = &sysctl_llc2_p_timeout,
.maxlen = sizeof(long),
.mode = 0644,
.proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{
.ctl_name = NET_LLC2_REJ_TIMEOUT,
.procname = "rej",
.data = &sysctl_llc2_rej_timeout,
.maxlen = sizeof(long),
.mode = 0644,
.proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{ 0 },
};
static struct ctl_table llc_station_table[] = {
{
.ctl_name = NET_LLC_STATION_ACK_TIMEOUT,
.procname = "ack_timeout",
.data = &sysctl_llc_station_ack_timeout,
.maxlen = sizeof(long),
.mode = 0644,
.proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{ 0 },
};
static struct ctl_table llc2_dir_timeout_table[] = {
{
.ctl_name = NET_LLC2,
.procname = "timeout",
.mode = 0555,
.child = llc2_timeout_table,
},
{ 0 },
};
static struct ctl_table llc_table[] = {
{
.ctl_name = NET_LLC2,
.procname = "llc2",
.mode = 0555,
.child = llc2_dir_timeout_table,
},
{
.ctl_name = NET_LLC_STATION,
.procname = "station",
.mode = 0555,
.child = llc_station_table,
},
{ 0 },
};
static struct ctl_table llc_dir_table[] = {
{
.ctl_name = NET_LLC,
.procname = "llc",
.mode = 0555,
.child = llc_table,
},
{ 0 },
};
static struct ctl_table llc_root_table[] = {
{
.ctl_name = CTL_NET,
.procname = "net",
.mode = 0555,
.child = llc_dir_table,
},
{ 0 },
};
static struct ctl_table_header *llc_table_header;
int __init llc_sysctl_init(void)
{
[PATCH] sysctl: remove insert_at_head from register_sysctl The semantic effect of insert_at_head is that it would allow new registered sysctl entries to override existing sysctl entries of the same name. Which is pain for caching and the proc interface never implemented. I have done an audit and discovered that none of the current users of register_sysctl care as (excpet for directories) they do not register duplicate sysctl entries. So this patch simply removes the support for overriding existing entries in the sys_sysctl interface since no one uses it or cares and it makes future enhancments harder. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: David Howells <dhowells@redhat.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Andi Kleen <ak@muc.de> Cc: Jens Axboe <axboe@kernel.dk> Cc: Corey Minyard <minyard@acm.org> Cc: Neil Brown <neilb@suse.de> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Jan Kara <jack@ucw.cz> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Mark Fasheh <mark.fasheh@oracle.com> Cc: David Chinner <dgc@sgi.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Patrick McHardy <kaber@trash.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-14 08:34:09 +00:00
llc_table_header = register_sysctl_table(llc_root_table);
return llc_table_header ? 0 : -ENOMEM;
}
void llc_sysctl_exit(void)
{
if (llc_table_header) {
unregister_sysctl_table(llc_table_header);
llc_table_header = NULL;
}
}