diff options
Diffstat (limited to 'net/rxrpc/sysctl.c')
| -rw-r--r-- | net/rxrpc/sysctl.c | 204 |
1 files changed, 114 insertions, 90 deletions
diff --git a/net/rxrpc/sysctl.c b/net/rxrpc/sysctl.c index fbf98729c74..50a98a910eb 100644 --- a/net/rxrpc/sysctl.c +++ b/net/rxrpc/sysctl.c @@ -1,122 +1,146 @@ -/* sysctl.c: Rx RPC control +/* sysctls for configuring RxRPC operating parameters * - * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved. + * Copyright (C) 2014 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License + * modify it under the terms of the GNU General Public Licence * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. + * 2 of the Licence, or (at your option) any later version. */ -#include <linux/config.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/module.h> #include <linux/sysctl.h> -#include <rxrpc/types.h> -#include <rxrpc/rxrpc.h> -#include <asm/errno.h> -#include "internal.h" +#include <net/sock.h> +#include <net/af_rxrpc.h> +#include "ar-internal.h" -int rxrpc_ktrace; -int rxrpc_kdebug; -int rxrpc_kproto; -int rxrpc_knet; +static struct ctl_table_header *rxrpc_sysctl_reg_table; +static const unsigned zero = 0; +static const unsigned one = 1; +static const unsigned four = 4; +static const unsigned n_65535 = 65535; +static const unsigned n_max_acks = RXRPC_MAXACKS; -#ifdef CONFIG_SYSCTL -static struct ctl_table_header *rxrpc_sysctl = NULL; - -static ctl_table rxrpc_sysctl_table[] = { - { - .ctl_name = 1, - .procname = "kdebug", - .data = &rxrpc_kdebug, - .maxlen = sizeof(int), +/* + * RxRPC operating parameters. + * + * See Documentation/networking/rxrpc.txt and the variable definitions for more + * information on the individual parameters. + */ +static struct ctl_table rxrpc_sysctl_table[] = { + /* Values measured in milliseconds */ + { + .procname = "req_ack_delay", + .data = &rxrpc_requested_ack_delay, + .maxlen = sizeof(unsigned), .mode = 0644, - .proc_handler = &proc_dointvec + .proc_handler = proc_dointvec_ms_jiffies, + .extra1 = (void *)&zero, }, - { - .ctl_name = 2, - .procname = "ktrace", - .data = &rxrpc_ktrace, - .maxlen = sizeof(int), + { + .procname = "soft_ack_delay", + .data = &rxrpc_soft_ack_delay, + .maxlen = sizeof(unsigned), .mode = 0644, - .proc_handler = &proc_dointvec + .proc_handler = proc_dointvec_ms_jiffies, + .extra1 = (void *)&one, }, - { - .ctl_name = 3, - .procname = "kproto", - .data = &rxrpc_kproto, - .maxlen = sizeof(int), + { + .procname = "idle_ack_delay", + .data = &rxrpc_idle_ack_delay, + .maxlen = sizeof(unsigned), .mode = 0644, - .proc_handler = &proc_dointvec + .proc_handler = proc_dointvec_ms_jiffies, + .extra1 = (void *)&one, }, - { - .ctl_name = 4, - .procname = "knet", - .data = &rxrpc_knet, - .maxlen = sizeof(int), + { + .procname = "resend_timeout", + .data = &rxrpc_resend_timeout, + .maxlen = sizeof(unsigned), .mode = 0644, - .proc_handler = &proc_dointvec + .proc_handler = proc_dointvec_ms_jiffies, + .extra1 = (void *)&one, }, - { - .ctl_name = 5, - .procname = "peertimo", - .data = &rxrpc_peer_timeout, - .maxlen = sizeof(unsigned long), + + /* Values measured in seconds but used in jiffies */ + { + .procname = "max_call_lifetime", + .data = &rxrpc_max_call_lifetime, + .maxlen = sizeof(unsigned), .mode = 0644, - .proc_handler = &proc_doulongvec_minmax + .proc_handler = proc_dointvec_jiffies, + .extra1 = (void *)&one, }, - { - .ctl_name = 6, - .procname = "conntimo", - .data = &rxrpc_conn_timeout, - .maxlen = sizeof(unsigned long), + { + .procname = "dead_call_expiry", + .data = &rxrpc_dead_call_expiry, + .maxlen = sizeof(unsigned), .mode = 0644, - .proc_handler = &proc_doulongvec_minmax + .proc_handler = proc_dointvec_jiffies, + .extra1 = (void *)&one, }, - { .ctl_name = 0 } -}; -static ctl_table rxrpc_dir_sysctl_table[] = { + /* Values measured in seconds */ + { + .procname = "connection_expiry", + .data = &rxrpc_connection_expiry, + .maxlen = sizeof(unsigned), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = (void *)&one, + }, { - .ctl_name = 1, - .procname = "rxrpc", - .maxlen = 0, - .mode = 0555, - .child = rxrpc_sysctl_table + .procname = "transport_expiry", + .data = &rxrpc_transport_expiry, + .maxlen = sizeof(unsigned), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = (void *)&one, }, - { .ctl_name = 0 } + + /* Non-time values */ + { + .procname = "rx_window_size", + .data = &rxrpc_rx_window_size, + .maxlen = sizeof(unsigned), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = (void *)&one, + .extra2 = (void *)&n_max_acks, + }, + { + .procname = "rx_mtu", + .data = &rxrpc_rx_mtu, + .maxlen = sizeof(unsigned), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = (void *)&one, + .extra1 = (void *)&n_65535, + }, + { + .procname = "rx_jumbo_max", + .data = &rxrpc_rx_jumbo_max, + .maxlen = sizeof(unsigned), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = (void *)&one, + .extra2 = (void *)&four, + }, + + { } }; -#endif /* CONFIG_SYSCTL */ -/*****************************************************************************/ -/* - * initialise the sysctl stuff for Rx RPC - */ -int rxrpc_sysctl_init(void) +int __init rxrpc_sysctl_init(void) { -#ifdef CONFIG_SYSCTL - rxrpc_sysctl = register_sysctl_table(rxrpc_dir_sysctl_table, 0); - if (!rxrpc_sysctl) + rxrpc_sysctl_reg_table = register_net_sysctl(&init_net, "net/rxrpc", + rxrpc_sysctl_table); + if (!rxrpc_sysctl_reg_table) return -ENOMEM; -#endif /* CONFIG_SYSCTL */ - return 0; -} /* end rxrpc_sysctl_init() */ +} -/*****************************************************************************/ -/* - * clean up the sysctl stuff for Rx RPC - */ -void rxrpc_sysctl_cleanup(void) +void rxrpc_sysctl_exit(void) { -#ifdef CONFIG_SYSCTL - if (rxrpc_sysctl) { - unregister_sysctl_table(rxrpc_sysctl); - rxrpc_sysctl = NULL; - } -#endif /* CONFIG_SYSCTL */ - -} /* end rxrpc_sysctl_cleanup() */ + if (rxrpc_sysctl_reg_table) + unregister_net_sysctl_table(rxrpc_sysctl_reg_table); +} |