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(long), 22 .mode = 0644, 23 .proc_handler = proc_dointvec_jiffies, 24 }, 25 { 26 .procname = "busy", 27 .data = &sysctl_llc2_busy_timeout, 28 .maxlen = sizeof(long), 29 .mode = 0644, 30 .proc_handler = proc_dointvec_jiffies, 31 }, 32 { 33 .procname = "p", 34 .data = &sysctl_llc2_p_timeout, 35 .maxlen = sizeof(long), 36 .mode = 0644, 37 .proc_handler = proc_dointvec_jiffies, 38 }, 39 { 40 .procname = "rej", 41 .data = &sysctl_llc2_rej_timeout, 42 .maxlen = sizeof(long), 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