1 /* sysctl.c: Rx RPC control 2 * 3 * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * as published by the Free Software Foundation; either version 9 * 2 of the License, or (at your option) any later version. 10 */ 11 12 #include <linux/sched.h> 13 #include <linux/slab.h> 14 #include <linux/module.h> 15 #include <linux/sysctl.h> 16 #include <rxrpc/types.h> 17 #include <rxrpc/rxrpc.h> 18 #include <asm/errno.h> 19 #include "internal.h" 20 21 int rxrpc_ktrace; 22 int rxrpc_kdebug; 23 int rxrpc_kproto; 24 int rxrpc_knet; 25 26 #ifdef CONFIG_SYSCTL 27 static struct ctl_table_header *rxrpc_sysctl = NULL; 28 29 static ctl_table rxrpc_sysctl_table[] = { 30 { 31 .ctl_name = 1, 32 .procname = "kdebug", 33 .data = &rxrpc_kdebug, 34 .maxlen = sizeof(int), 35 .mode = 0644, 36 .proc_handler = &proc_dointvec 37 }, 38 { 39 .ctl_name = 2, 40 .procname = "ktrace", 41 .data = &rxrpc_ktrace, 42 .maxlen = sizeof(int), 43 .mode = 0644, 44 .proc_handler = &proc_dointvec 45 }, 46 { 47 .ctl_name = 3, 48 .procname = "kproto", 49 .data = &rxrpc_kproto, 50 .maxlen = sizeof(int), 51 .mode = 0644, 52 .proc_handler = &proc_dointvec 53 }, 54 { 55 .ctl_name = 4, 56 .procname = "knet", 57 .data = &rxrpc_knet, 58 .maxlen = sizeof(int), 59 .mode = 0644, 60 .proc_handler = &proc_dointvec 61 }, 62 { 63 .ctl_name = 5, 64 .procname = "peertimo", 65 .data = &rxrpc_peer_timeout, 66 .maxlen = sizeof(unsigned long), 67 .mode = 0644, 68 .proc_handler = &proc_doulongvec_minmax 69 }, 70 { 71 .ctl_name = 6, 72 .procname = "conntimo", 73 .data = &rxrpc_conn_timeout, 74 .maxlen = sizeof(unsigned long), 75 .mode = 0644, 76 .proc_handler = &proc_doulongvec_minmax 77 }, 78 { .ctl_name = 0 } 79 }; 80 81 static ctl_table rxrpc_dir_sysctl_table[] = { 82 { 83 .ctl_name = 1, 84 .procname = "rxrpc", 85 .maxlen = 0, 86 .mode = 0555, 87 .child = rxrpc_sysctl_table 88 }, 89 { .ctl_name = 0 } 90 }; 91 #endif /* CONFIG_SYSCTL */ 92 93 /*****************************************************************************/ 94 /* 95 * initialise the sysctl stuff for Rx RPC 96 */ 97 int rxrpc_sysctl_init(void) 98 { 99 #ifdef CONFIG_SYSCTL 100 rxrpc_sysctl = register_sysctl_table(rxrpc_dir_sysctl_table); 101 if (!rxrpc_sysctl) 102 return -ENOMEM; 103 #endif /* CONFIG_SYSCTL */ 104 105 return 0; 106 } /* end rxrpc_sysctl_init() */ 107 108 /*****************************************************************************/ 109 /* 110 * clean up the sysctl stuff for Rx RPC 111 */ 112 void rxrpc_sysctl_cleanup(void) 113 { 114 #ifdef CONFIG_SYSCTL 115 if (rxrpc_sysctl) { 116 unregister_sysctl_table(rxrpc_sysctl); 117 rxrpc_sysctl = NULL; 118 } 119 #endif /* CONFIG_SYSCTL */ 120 121 } /* end rxrpc_sysctl_cleanup() */ 122