Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 /* -*- linux-c -*-
  2  * sysctl_net_x25.c: sysctl interface to net X.25 subsystem.
  3  *
  4  * Begun April 1, 1996, Mike Shaver.
  5  * Added /proc/sys/net/x25 directory entry (empty =) ). [MS]
  6  */
  7 
  8 #include <linux/sysctl.h>
  9 #include <linux/skbuff.h>
 10 #include <linux/socket.h>
 11 #include <linux/netdevice.h>
 12 #include <linux/init.h>
 13 #include <net/x25.h>
 14 
 15 static int min_timer[] = {   1 * HZ };
 16 static int max_timer[] = { 300 * HZ };
 17 
 18 static struct ctl_table_header *x25_table_header;
 19 
 20 static struct ctl_table x25_table[] = {
 21         {
 22                 .ctl_name =     NET_X25_RESTART_REQUEST_TIMEOUT,
 23                 .procname =     "restart_request_timeout",
 24                 .data =         &sysctl_x25_restart_request_timeout,
 25                 .maxlen =       sizeof(int),
 26                 .mode =         0644,
 27                 .proc_handler = &proc_dointvec_minmax,
 28                 .strategy =     &sysctl_intvec,
 29                 .extra1 =       &min_timer,
 30                 .extra2 =       &max_timer,
 31         },
 32         {
 33                 .ctl_name =     NET_X25_CALL_REQUEST_TIMEOUT,
 34                 .procname =     "call_request_timeout",
 35                 .data =         &sysctl_x25_call_request_timeout,
 36                 .maxlen =       sizeof(int),
 37                 .mode =         0644,
 38                 .proc_handler = &proc_dointvec_minmax,
 39                 .strategy =     &sysctl_intvec,
 40                 .extra1 =       &min_timer,
 41                 .extra2 =       &max_timer,
 42         },
 43         {
 44                 .ctl_name =     NET_X25_RESET_REQUEST_TIMEOUT,
 45                 .procname =     "reset_request_timeout",
 46                 .data =         &sysctl_x25_reset_request_timeout,
 47                 .maxlen =       sizeof(int),
 48                 .mode =         0644,
 49                 .proc_handler = &proc_dointvec_minmax,
 50                 .strategy =     &sysctl_intvec,
 51                 .extra1 =       &min_timer,
 52                 .extra2 =       &max_timer,
 53         },
 54         {
 55                 .ctl_name =     NET_X25_CLEAR_REQUEST_TIMEOUT,
 56                 .procname =     "clear_request_timeout",
 57                 .data =         &sysctl_x25_clear_request_timeout,
 58                 .maxlen =       sizeof(int),
 59                 .mode =         0644,
 60                 .proc_handler = &proc_dointvec_minmax,
 61                 .strategy =     &sysctl_intvec,
 62                 .extra1 =       &min_timer,
 63                 .extra2 =       &max_timer,
 64         },
 65         {
 66                 .ctl_name =     NET_X25_ACK_HOLD_BACK_TIMEOUT,
 67                 .procname =     "acknowledgement_hold_back_timeout",
 68                 .data =         &sysctl_x25_ack_holdback_timeout,
 69                 .maxlen =       sizeof(int),
 70                 .mode =         0644,
 71                 .proc_handler = &proc_dointvec_minmax,
 72                 .strategy =     &sysctl_intvec,
 73                 .extra1 =       &min_timer,
 74                 .extra2 =       &max_timer,
 75         },
 76         {
 77                 .ctl_name =     NET_X25_FORWARD,
 78                 .procname =     "x25_forward",
 79                 .data =         &sysctl_x25_forward,
 80                 .maxlen =       sizeof(int),
 81                 .mode =         0644,
 82                 .proc_handler = &proc_dointvec,
 83         },
 84         { 0, },
 85 };
 86 
 87 static struct ctl_path x25_path[] = {
 88         { .procname = "net", .ctl_name = CTL_NET, },
 89         { .procname = "x25", .ctl_name = NET_X25, },
 90         { }
 91 };
 92 
 93 void __init x25_register_sysctl(void)
 94 {
 95         x25_table_header = register_sysctl_paths(x25_path, x25_table);
 96 }
 97 
 98 void x25_unregister_sysctl(void)
 99 {
100         unregister_sysctl_table(x25_table_header);
101 }
102 
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