X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Fcore%2Fsysctl_net_core.c;h=8938fa79124dbb493d0e7c979bf18f75feef80bf;hb=28b4d5cc17c20786848cdc07b7ea237a309776bb;hp=c8be646cb1911e30c9c607f5f64d5a8b1f859b23;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=safe%2Fjmp%2Flinux-2.6

diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index c8be646..8938fa7 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -7,48 +7,16 @@
 
 #include <linux/mm.h>
 #include <linux/sysctl.h>
-#include <linux/config.h>
 #include <linux/module.h>
+#include <linux/socket.h>
+#include <linux/netdevice.h>
+#include <linux/ratelimit.h>
+#include <linux/init.h>
 
-#ifdef CONFIG_SYSCTL
-
-extern int netdev_max_backlog;
-extern int weight_p;
-extern int no_cong_thresh;
-extern int no_cong;
-extern int lo_cong;
-extern int mod_cong;
-extern int netdev_fastroute;
-extern int net_msg_cost;
-extern int net_msg_burst;
-
-extern __u32 sysctl_wmem_max;
-extern __u32 sysctl_rmem_max;
-extern __u32 sysctl_wmem_default;
-extern __u32 sysctl_rmem_default;
-
-extern int sysctl_core_destroy_delay;
-extern int sysctl_optmem_max;
-extern int sysctl_somaxconn;
-
-#ifdef CONFIG_NET_DIVERT
-extern char sysctl_divert_version[];
-#endif /* CONFIG_NET_DIVERT */
-
-/*
- * This strdup() is used for creating copies of network 
- * device names to be handed over to sysctl.
- */
- 
-char *net_sysctl_strdup(const char *s)
-{
-	char *rv = kmalloc(strlen(s)+1, GFP_KERNEL);
-	if (rv)
-		strcpy(rv, s);
-	return rv;
-}
+#include <net/ip.h>
+#include <net/sock.h>
 
-ctl_table core_table[] = {
+static struct ctl_table net_core_table[] = {
 #ifdef CONFIG_NET
 	{
 		.ctl_name	= NET_CORE_WMEM_MAX,
@@ -56,7 +24,7 @@ ctl_table core_table[] = {
 		.data		= &sysctl_wmem_max,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.ctl_name	= NET_CORE_RMEM_MAX,
@@ -64,7 +32,7 @@ ctl_table core_table[] = {
 		.data		= &sysctl_rmem_max,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.ctl_name	= NET_CORE_WMEM_DEFAULT,
@@ -72,7 +40,7 @@ ctl_table core_table[] = {
 		.data		= &sysctl_wmem_default,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.ctl_name	= NET_CORE_RMEM_DEFAULT,
@@ -80,7 +48,7 @@ ctl_table core_table[] = {
 		.data		= &sysctl_rmem_default,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.ctl_name	= NET_CORE_DEV_WEIGHT,
@@ -88,7 +56,7 @@ ctl_table core_table[] = {
 		.data		= &weight_p,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.ctl_name	= NET_CORE_MAX_BACKLOG,
@@ -96,56 +64,24 @@ ctl_table core_table[] = {
 		.data		= &netdev_max_backlog,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
-	},
-	{
-		.ctl_name	= NET_CORE_NO_CONG_THRESH,
-		.procname	= "no_cong_thresh",
-		.data		= &no_cong_thresh,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
-	},
-	{
-		.ctl_name	= NET_CORE_NO_CONG,
-		.procname	= "no_cong",
-		.data		= &no_cong,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
-	},
-	{
-		.ctl_name	= NET_CORE_LO_CONG,
-		.procname	= "lo_cong",
-		.data		= &lo_cong,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
-	},
-	{
-		.ctl_name	= NET_CORE_MOD_CONG,
-		.procname	= "mod_cong",
-		.data		= &mod_cong,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= proc_dointvec
 	},
 	{
 		.ctl_name	= NET_CORE_MSG_COST,
 		.procname	= "message_cost",
-		.data		= &net_msg_cost,
+		.data		= &net_ratelimit_state.interval,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_jiffies,
-		.strategy	= &sysctl_jiffies,
+		.proc_handler	= proc_dointvec_jiffies,
+		.strategy	= sysctl_jiffies,
 	},
 	{
 		.ctl_name	= NET_CORE_MSG_BURST,
 		.procname	= "message_burst",
-		.data		= &net_msg_burst,
+		.data		= &net_ratelimit_state.burst,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
 	{
 		.ctl_name	= NET_CORE_OPTMEM_MAX,
@@ -153,30 +89,97 @@ ctl_table core_table[] = {
 		.data		= &sysctl_optmem_max,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= proc_dointvec
 	},
-#ifdef CONFIG_NET_DIVERT
+#endif /* CONFIG_NET */
 	{
-		.ctl_name	= NET_CORE_DIVERT_VERSION,
-		.procname	= "divert_version",
-		.data		= (void *)sysctl_divert_version,
-		.maxlen		= 32,
-		.mode		= 0444,
-		.proc_handler	= &proc_dostring
+		.ctl_name	= NET_CORE_BUDGET,
+		.procname	= "netdev_budget",
+		.data		= &netdev_budget,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec
 	},
-#endif /* CONFIG_NET_DIVERT */
-#endif /* CONFIG_NET */
+	{
+		.ctl_name	= NET_CORE_WARNINGS,
+		.procname	= "warnings",
+		.data		= &net_msg_warn,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec
+	},
+	{ .ctl_name = 0 }
+};
+
+static struct ctl_table netns_core_table[] = {
 	{
 		.ctl_name	= NET_CORE_SOMAXCONN,
 		.procname	= "somaxconn",
-		.data		= &sysctl_somaxconn,
+		.data		= &init_net.core.sysctl_somaxconn,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= proc_dointvec
 	},
 	{ .ctl_name = 0 }
 };
 
-EXPORT_SYMBOL(net_sysctl_strdup);
+__net_initdata struct ctl_path net_core_path[] = {
+	{ .procname = "net", .ctl_name = CTL_NET, },
+	{ .procname = "core", .ctl_name = NET_CORE, },
+	{ },
+};
+
+static __net_init int sysctl_core_net_init(struct net *net)
+{
+	struct ctl_table *tbl;
+
+	net->core.sysctl_somaxconn = SOMAXCONN;
+
+	tbl = netns_core_table;
+	if (!net_eq(net, &init_net)) {
+		tbl = kmemdup(tbl, sizeof(netns_core_table), GFP_KERNEL);
+		if (tbl == NULL)
+			goto err_dup;
+
+		tbl[0].data = &net->core.sysctl_somaxconn;
+	}
+
+	net->core.sysctl_hdr = register_net_sysctl_table(net,
+			net_core_path, tbl);
+	if (net->core.sysctl_hdr == NULL)
+		goto err_reg;
+
+	return 0;
+
+err_reg:
+	if (tbl != netns_core_table)
+		kfree(tbl);
+err_dup:
+	return -ENOMEM;
+}
+
+static __net_exit void sysctl_core_net_exit(struct net *net)
+{
+	struct ctl_table *tbl;
+
+	tbl = net->core.sysctl_hdr->ctl_table_arg;
+	unregister_net_sysctl_table(net->core.sysctl_hdr);
+	BUG_ON(tbl == netns_core_table);
+	kfree(tbl);
+}
+
+static __net_initdata struct pernet_operations sysctl_core_ops = {
+	.init = sysctl_core_net_init,
+	.exit = sysctl_core_net_exit,
+};
+
+static __init int sysctl_core_init(void)
+{
+	static struct ctl_table empty[1];
+
+	register_sysctl_paths(net_core_path, empty);
+	register_net_sysctl_rotable(net_core_path, net_core_table);
+	return register_pernet_subsys(&sysctl_core_ops);
+}
 
-#endif
+fs_initcall(sysctl_core_init);