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Linux/net/llc/sysctl_net_llc.c

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  1 /*
  2  * sysctl_net_llc.c: sysctl interface to LLC net subsystem.
  3  *
  4  * Arnaldo Carvalho de Melo <acme@conectiva.com.br>
  5  */
  6 
  7 #include <linux/mm.h>
  8 #include <linux/init.h>
  9 #include <linux/sysctl.h>
 10 #include <net/net_namespace.h>
 11 #include <net/llc.h>
 12 
 13 #ifndef CONFIG_SYSCTL
 14 #error This file should not be compiled without CONFIG_SYSCTL defined
 15 #endif
 16 
 17 static struct ctl_table llc2_timeout_table[] = {
 18         {
 19                 .procname       = "ack",
 20                 .data           = &sysctl_llc2_ack_timeout,
 21                 .maxlen         = sizeof(sysctl_llc2_ack_timeout),
 22                 .mode           = 0644,
 23                 .proc_handler   = proc_dointvec_jiffies,
 24         },
 25         {
 26                 .procname       = "busy",
 27                 .data           = &sysctl_llc2_busy_timeout,
 28                 .maxlen         = sizeof(sysctl_llc2_busy_timeout),
 29                 .mode           = 0644,
 30                 .proc_handler   = proc_dointvec_jiffies,
 31         },
 32         {
 33                 .procname       = "p",
 34                 .data           = &sysctl_llc2_p_timeout,
 35                 .maxlen         = sizeof(sysctl_llc2_p_timeout),
 36                 .mode           = 0644,
 37                 .proc_handler   = proc_dointvec_jiffies,
 38         },
 39         {
 40                 .procname       = "rej",
 41                 .data           = &sysctl_llc2_rej_timeout,
 42                 .maxlen         = sizeof(sysctl_llc2_rej_timeout),
 43                 .mode           = 0644,
 44                 .proc_handler   = proc_dointvec_jiffies,
 45         },
 46         { },
 47 };
 48 
 49 static struct ctl_table llc_station_table[] = {
 50         { },
 51 };
 52 
 53 static struct ctl_table_header *llc2_timeout_header;
 54 static struct ctl_table_header *llc_station_header;
 55 
 56 int __init llc_sysctl_init(void)
 57 {
 58         llc2_timeout_header = register_net_sysctl(&init_net, "net/llc/llc2/timeout", llc2_timeout_table);
 59         llc_station_header = register_net_sysctl(&init_net, "net/llc/station", llc_station_table);
 60 
 61         if (!llc2_timeout_header || !llc_station_header) {
 62                 llc_sysctl_exit();
 63                 return -ENOMEM;
 64         }
 65         return 0;
 66 }
 67 
 68 void llc_sysctl_exit(void)
 69 {
 70         if (llc2_timeout_header) {
 71                 unregister_net_sysctl_table(llc2_timeout_header);
 72                 llc2_timeout_header = NULL;
 73         }
 74         if (llc_station_header) {
 75                 unregister_net_sysctl_table(llc_station_header);
 76                 llc_station_header = NULL;
 77         }
 78 }
 79 

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