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[NETNS][FRAGS]: Move ctl tables around.

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This is a preparation for sysctl netns-ization.
Move the ctl tables to the files, where the tuning
variables reside. Plus make the helpers to register
the tables.

This will simplify the later patches and will keep
similar things closer to each other.

ipv4, ipv6 and conntrack_reasm are patched differently,
but the result is all the tables are in appropriate files.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov
2008-01-22 05:58:31 -08:00
committed by David S. Miller
parent 9d5c824399
commit 8d8354d2fb
10 changed files with 170 additions and 129 deletions
Download Patch File Download Diff File Expand all files Collapse all files

74
net/ipv4/ip_fragment.c
View File

@@ -50,7 +50,7 @@
* as well. Or notify me, at least. --ANK
*/
int sysctl_ipfrag_max_dist __read_mostly = 64;
static int sysctl_ipfrag_max_dist __read_mostly = 64;
struct ipfrag_skb_cb
{
@@ -74,7 +74,7 @@ struct ipq {
struct inet_peer *peer;
};
struct inet_frags_ctl ip4_frags_ctl __read_mostly = {
static struct inet_frags_ctl ip4_frags_ctl __read_mostly = {
/*
* Fragment cache limits. We will commit 256K at one time. Should we
* cross that limit we will prune down to 192K. This should cope with
@@ -607,8 +607,78 @@ int ip_defrag(struct sk_buff *skb, u32 user)
return -ENOMEM;
}
#ifdef CONFIG_SYSCTL
static int zero;
static struct ctl_table ip4_frags_ctl_table[] = {
{
.ctl_name = NET_IPV4_IPFRAG_HIGH_THRESH,
.procname = "ipfrag_high_thresh",
.data = &ip4_frags_ctl.high_thresh,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV4_IPFRAG_LOW_THRESH,
.procname = "ipfrag_low_thresh",
.data = &ip4_frags_ctl.low_thresh,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV4_IPFRAG_TIME,
.procname = "ipfrag_time",
.data = &ip4_frags_ctl.timeout,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies
},
{
.ctl_name = NET_IPV4_IPFRAG_SECRET_INTERVAL,
.procname = "ipfrag_secret_interval",
.data = &ip4_frags_ctl.secret_interval,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies
},
{
.procname = "ipfrag_max_dist",
.data = &sysctl_ipfrag_max_dist,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec_minmax,
.extra1 = &zero
},
{ }
};
static int ip4_frags_ctl_register(struct net *net)
{
struct ctl_table_header *hdr;
hdr = register_net_sysctl_table(net, net_ipv4_ctl_path,
ip4_frags_ctl_table);
return hdr == NULL ? -ENOMEM : 0;
}
#else
static inline int ip4_frags_ctl_register(struct net *net)
{
return 0;
}
#endif
static int ipv4_frags_init_net(struct net *net)
{
return ip4_frags_ctl_register(net);
}
void __init ipfrag_init(void)
{
ipv4_frags_init_net(&init_net);
ip4_frags.ctl = &ip4_frags_ctl;
ip4_frags.hashfn = ip4_hashfn;
ip4_frags.constructor = ip4_frag_init;