183 lines
3.8 KiB
C
183 lines
3.8 KiB
C
/* -*- linux-c -*-
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* sysctl_net_core.c: sysctl interface to net core subsystem.
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*
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* Begun April 1, 1996, Mike Shaver.
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* Added /proc/sys/net/core directory entry (empty =) ). [MS]
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*/
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#include <linux/mm.h>
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#include <linux/sysctl.h>
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#include <linux/config.h>
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#include <linux/module.h>
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#ifdef CONFIG_SYSCTL
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extern int netdev_max_backlog;
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extern int weight_p;
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extern int no_cong_thresh;
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extern int no_cong;
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extern int lo_cong;
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extern int mod_cong;
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extern int netdev_fastroute;
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extern int net_msg_cost;
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extern int net_msg_burst;
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extern __u32 sysctl_wmem_max;
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extern __u32 sysctl_rmem_max;
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extern __u32 sysctl_wmem_default;
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extern __u32 sysctl_rmem_default;
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extern int sysctl_core_destroy_delay;
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extern int sysctl_optmem_max;
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extern int sysctl_somaxconn;
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#ifdef CONFIG_NET_DIVERT
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extern char sysctl_divert_version[];
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#endif /* CONFIG_NET_DIVERT */
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/*
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* This strdup() is used for creating copies of network
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* device names to be handed over to sysctl.
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*/
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char *net_sysctl_strdup(const char *s)
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{
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char *rv = kmalloc(strlen(s)+1, GFP_KERNEL);
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if (rv)
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strcpy(rv, s);
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return rv;
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}
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ctl_table core_table[] = {
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#ifdef CONFIG_NET
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{
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.ctl_name = NET_CORE_WMEM_MAX,
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.procname = "wmem_max",
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.data = &sysctl_wmem_max,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec
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},
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{
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.ctl_name = NET_CORE_RMEM_MAX,
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.procname = "rmem_max",
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.data = &sysctl_rmem_max,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec
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},
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{
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.ctl_name = NET_CORE_WMEM_DEFAULT,
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.procname = "wmem_default",
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.data = &sysctl_wmem_default,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec
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},
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{
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.ctl_name = NET_CORE_RMEM_DEFAULT,
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.procname = "rmem_default",
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.data = &sysctl_rmem_default,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec
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},
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{
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.ctl_name = NET_CORE_DEV_WEIGHT,
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.procname = "dev_weight",
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.data = &weight_p,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec
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},
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{
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.ctl_name = NET_CORE_MAX_BACKLOG,
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.procname = "netdev_max_backlog",
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.data = &netdev_max_backlog,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec
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},
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{
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.ctl_name = NET_CORE_NO_CONG_THRESH,
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.procname = "no_cong_thresh",
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.data = &no_cong_thresh,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec
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},
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{
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.ctl_name = NET_CORE_NO_CONG,
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.procname = "no_cong",
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.data = &no_cong,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec
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},
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{
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.ctl_name = NET_CORE_LO_CONG,
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.procname = "lo_cong",
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.data = &lo_cong,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec
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},
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{
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.ctl_name = NET_CORE_MOD_CONG,
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.procname = "mod_cong",
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.data = &mod_cong,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec
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},
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{
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.ctl_name = NET_CORE_MSG_COST,
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.procname = "message_cost",
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.data = &net_msg_cost,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec_jiffies,
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.strategy = &sysctl_jiffies,
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},
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{
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.ctl_name = NET_CORE_MSG_BURST,
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.procname = "message_burst",
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.data = &net_msg_burst,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec,
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},
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{
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.ctl_name = NET_CORE_OPTMEM_MAX,
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.procname = "optmem_max",
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.data = &sysctl_optmem_max,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec
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},
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#ifdef CONFIG_NET_DIVERT
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{
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.ctl_name = NET_CORE_DIVERT_VERSION,
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.procname = "divert_version",
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.data = (void *)sysctl_divert_version,
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.maxlen = 32,
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.mode = 0444,
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.proc_handler = &proc_dostring
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},
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#endif /* CONFIG_NET_DIVERT */
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#endif /* CONFIG_NET */
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{
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.ctl_name = NET_CORE_SOMAXCONN,
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.procname = "somaxconn",
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.data = &sysctl_somaxconn,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec
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},
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{ .ctl_name = 0 }
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};
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EXPORT_SYMBOL(net_sysctl_strdup);
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#endif
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