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Diffstat (limited to 'net/core/sysctl_net_core.c')
-rw-r--r--net/core/sysctl_net_core.c182
1 files changed, 182 insertions, 0 deletions
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
new file mode 100644
index 00000000000..c8be646cb19
--- /dev/null
+++ b/net/core/sysctl_net_core.c
@@ -0,0 +1,182 @@
+/* -*- linux-c -*-
+ * sysctl_net_core.c: sysctl interface to net core subsystem.
+ *
+ * Begun April 1, 1996, Mike Shaver.
+ * Added /proc/sys/net/core directory entry (empty =) ). [MS]
+ */
+
+#include <linux/mm.h>
+#include <linux/sysctl.h>
+#include <linux/config.h>
+#include <linux/module.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;
+}
+
+ctl_table 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
+ },
+ {
+ .ctl_name = NET_CORE_RMEM_MAX,
+ .procname = "rmem_max",
+ .data = &sysctl_rmem_max,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .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
+ },
+ {
+ .ctl_name = NET_CORE_RMEM_DEFAULT,
+ .procname = "rmem_default",
+ .data = &sysctl_rmem_default,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .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
+ },
+ {
+ .ctl_name = NET_CORE_MAX_BACKLOG,
+ .procname = "netdev_max_backlog",
+ .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
+ },
+ {
+ .ctl_name = NET_CORE_MSG_COST,
+ .procname = "message_cost",
+ .data = &net_msg_cost,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
+ .strategy = &sysctl_jiffies,
+ },
+ {
+ .ctl_name = NET_CORE_MSG_BURST,
+ .procname = "message_burst",
+ .data = &net_msg_burst,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .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_NET_DIVERT
+ {
+ .ctl_name = NET_CORE_DIVERT_VERSION,
+ .procname = "divert_version",
+ .data = (void *)sysctl_divert_version,
+ .maxlen = 32,
+ .mode = 0444,
+ .proc_handler = &proc_dostring
+ },
+#endif /* CONFIG_NET_DIVERT */
+#endif /* CONFIG_NET */
+ {
+ .ctl_name = NET_CORE_SOMAXCONN,
+ .procname = "somaxconn",
+ .data = &sysctl_somaxconn,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ { .ctl_name = 0 }
+};
+
+EXPORT_SYMBOL(net_sysctl_strdup);
+
+#endif