#include <linux/sysctl.h>
#include <linux/module.h>
#include <linux/socket.h>
-#include <net/sock.h>
-
-#ifdef CONFIG_SYSCTL
-
-extern int netdev_max_backlog;
-extern int weight_p;
+#include <linux/netdevice.h>
+#include <linux/ratelimit.h>
+#include <linux/init.h>
-extern __u32 sysctl_wmem_max;
-extern __u32 sysctl_rmem_max;
-
-extern int sysctl_core_destroy_delay;
-
-#ifdef CONFIG_XFRM
-extern u32 sysctl_xfrm_aevent_etime;
-extern u32 sysctl_xfrm_aevent_rseqth;
-extern int sysctl_xfrm_larval_drop;
-extern u32 sysctl_xfrm_acq_expires;
-#endif
+#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,
.procname = "wmem_max",
.data = &sysctl_wmem_max,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec
+ .proc_handler = proc_dointvec
},
{
- .ctl_name = NET_CORE_RMEM_MAX,
.procname = "rmem_max",
.data = &sysctl_rmem_max,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec
+ .proc_handler = proc_dointvec
},
{
- .ctl_name = NET_CORE_WMEM_DEFAULT,
.procname = "wmem_default",
.data = &sysctl_wmem_default,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec
+ .proc_handler = proc_dointvec
},
{
- .ctl_name = NET_CORE_RMEM_DEFAULT,
.procname = "rmem_default",
.data = &sysctl_rmem_default,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec
+ .proc_handler = proc_dointvec
},
{
- .ctl_name = NET_CORE_DEV_WEIGHT,
.procname = "dev_weight",
.data = &weight_p,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec
+ .proc_handler = proc_dointvec
},
{
- .ctl_name = NET_CORE_MAX_BACKLOG,
.procname = "netdev_max_backlog",
.data = &netdev_max_backlog,
.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,
},
{
- .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,
.procname = "optmem_max",
.data = &sysctl_optmem_max,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec
- },
-#ifdef CONFIG_XFRM
- {
- .ctl_name = NET_CORE_AEVENT_ETIME,
- .procname = "xfrm_aevent_etime",
- .data = &sysctl_xfrm_aevent_etime,
- .maxlen = sizeof(u32),
- .mode = 0644,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = NET_CORE_AEVENT_RSEQTH,
- .procname = "xfrm_aevent_rseqth",
- .data = &sysctl_xfrm_aevent_rseqth,
- .maxlen = sizeof(u32),
- .mode = 0644,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "xfrm_larval_drop",
- .data = &sysctl_xfrm_larval_drop,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "xfrm_acq_expires",
- .data = &sysctl_xfrm_acq_expires,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec
+ .proc_handler = proc_dointvec
},
-#endif /* CONFIG_XFRM */
#endif /* CONFIG_NET */
{
- .ctl_name = NET_CORE_SOMAXCONN,
- .procname = "somaxconn",
- .data = &sysctl_somaxconn,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = NET_CORE_BUDGET,
.procname = "netdev_budget",
.data = &netdev_budget,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec
+ .proc_handler = proc_dointvec
},
{
- .ctl_name = NET_CORE_WARNINGS,
.procname = "warnings",
.data = &net_msg_warn,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec
+ .proc_handler = proc_dointvec
+ },
+ { }
+};
+
+static struct ctl_table netns_core_table[] = {
+ {
+ .procname = "somaxconn",
+ .data = &init_net.core.sysctl_somaxconn,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec
},
- { .ctl_name = 0 }
+ { }
+};
+
+__net_initdata struct ctl_path net_core_path[] = {
+ { .procname = "net", },
+ { .procname = "core", },
+ { },
};
-#endif
+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 != &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);
+}
+
+fs_initcall(sysctl_core_init);
Code Review / linux-2.6.git / blobdiff