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/llc.h> 11 12 #ifndef CONFIG_SYSCTL 13 #error This file should not be compiled without CONFIG_SYSCTL defined 14 #endif 15 16 static struct ctl_table llc2_timeout_table[] = { 17 { 18 .ctl_name = NET_LLC2_ACK_TIMEOUT, 19 .procname = "ack", 20 .data = &sysctl_llc2_ack_timeout, 21 .maxlen = sizeof(long), 22 .mode = 0644, 23 .proc_handler = &proc_dointvec_jiffies, 24 .strategy = &sysctl_jiffies, 25 }, 26 { 27 .ctl_name = NET_LLC2_BUSY_TIMEOUT, 28 .procname = "busy", 29 .data = &sysctl_llc2_busy_timeout, 30 .maxlen = sizeof(long), 31 .mode = 0644, 32 .proc_handler = &proc_dointvec_jiffies, 33 .strategy = &sysctl_jiffies, 34 }, 35 { 36 .ctl_name = NET_LLC2_P_TIMEOUT, 37 .procname = "p", 38 .data = &sysctl_llc2_p_timeout, 39 .maxlen = sizeof(long), 40 .mode = 0644, 41 .proc_handler = &proc_dointvec_jiffies, 42 .strategy = &sysctl_jiffies, 43 }, 44 { 45 .ctl_name = NET_LLC2_REJ_TIMEOUT, 46 .procname = "rej", 47 .data = &sysctl_llc2_rej_timeout, 48 .maxlen = sizeof(long), 49 .mode = 0644, 50 .proc_handler = &proc_dointvec_jiffies, 51 .strategy = &sysctl_jiffies, 52 }, 53 { 0 }, 54 }; 55 56 static struct ctl_table llc_station_table[] = { 57 { 58 .ctl_name = NET_LLC_STATION_ACK_TIMEOUT, 59 .procname = "ack_timeout", 60 .data = &sysctl_llc_station_ack_timeout, 61 .maxlen = sizeof(long), 62 .mode = 0644, 63 .proc_handler = &proc_dointvec_jiffies, 64 .strategy = &sysctl_jiffies, 65 }, 66 { 0 }, 67 }; 68 69 static struct ctl_table llc2_dir_timeout_table[] = { 70 { 71 .ctl_name = NET_LLC2, 72 .procname = "timeout", 73 .mode = 0555, 74 .child = llc2_timeout_table, 75 }, 76 { 0 }, 77 }; 78 79 static struct ctl_table llc_table[] = { 80 { 81 .ctl_name = NET_LLC2, 82 .procname = "llc2", 83 .mode = 0555, 84 .child = llc2_dir_timeout_table, 85 }, 86 { 87 .ctl_name = NET_LLC_STATION, 88 .procname = "station", 89 .mode = 0555, 90 .child = llc_station_table, 91 }, 92 { 0 }, 93 }; 94 95 static struct ctl_table llc_dir_table[] = { 96 { 97 .ctl_name = NET_LLC, 98 .procname = "llc", 99 .mode = 0555, 100 .child = llc_table, 101 }, 102 { 0 }, 103 }; 104 105 static struct ctl_table llc_root_table[] = { 106 { 107 .ctl_name = CTL_NET, 108 .procname = "net", 109 .mode = 0555, 110 .child = llc_dir_table, 111 }, 112 { 0 }, 113 }; 114 115 static struct ctl_table_header *llc_table_header; 116 117 int __init llc_sysctl_init(void) 118 { 119 llc_table_header = register_sysctl_table(llc_root_table, 1); 120 121 return llc_table_header ? 0 : -ENOMEM; 122 } 123 124 void llc_sysctl_exit(void) 125 { 126 if (llc_table_header) { 127 unregister_sysctl_table(llc_table_header); 128 llc_table_header = NULL; 129 } 130 } 131