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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

68
net/ipv6/reassembly.c
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@@ -625,12 +625,70 @@ static struct inet6_protocol frag_protocol =
.flags = INET6_PROTO_NOPOLICY,
};
void ipv6_frag_sysctl_init(struct net *net)
{
if (net != &init_net)
return;
#ifdef CONFIG_SYSCTL
static struct ctl_table ip6_frags_ctl_table[] = {
{
.ctl_name = NET_IPV6_IP6FRAG_HIGH_THRESH,
.procname = "ip6frag_high_thresh",
.data = &init_net.ipv6.sysctl.frags.high_thresh,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV6_IP6FRAG_LOW_THRESH,
.procname = "ip6frag_low_thresh",
.data = &init_net.ipv6.sysctl.frags.low_thresh,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec
},
{
.ctl_name = NET_IPV6_IP6FRAG_TIME,
.procname = "ip6frag_time",
.data = &init_net.ipv6.sysctl.frags.timeout,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
{
.ctl_name = NET_IPV6_IP6FRAG_SECRET_INTERVAL,
.procname = "ip6frag_secret_interval",
.data = &init_net.ipv6.sysctl.frags.secret_interval,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies
},
{ }
};
static int ip6_frags_sysctl_register(struct net *net)
{
struct ctl_table_header *hdr;
hdr = register_net_sysctl_table(net, net_ipv6_ctl_path,
ip6_frags_ctl_table);
return hdr == NULL ? -ENOMEM : 0;
}
#else
static inline int ip6_frags_sysctl_register(struct net *net)
{
return 0;
}
#endif
static int ipv6_frags_init_net(struct net *net)
{
ip6_frags.ctl = &net->ipv6.sysctl.frags;
net->ipv6.sysctl.frags.high_thresh = 256 * 1024;
net->ipv6.sysctl.frags.low_thresh = 192 * 1024;
net->ipv6.sysctl.frags.timeout = IPV6_FRAG_TIMEOUT;
net->ipv6.sysctl.frags.secret_interval = 10 * 60 * HZ;
return ip6_frags_sysctl_register(net);
}
int __init ipv6_frag_init(void)
@@ -641,6 +699,8 @@ int __init ipv6_frag_init(void)
if (ret)
goto out;
ipv6_frags_init_net(&init_net);
ip6_frags.hashfn = ip6_hashfn;
ip6_frags.constructor = ip6_frag_init;
ip6_frags.destructor = NULL;