diff options
Diffstat (limited to 'net/rxrpc/main.c')
| -rw-r--r-- | net/rxrpc/main.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/net/rxrpc/main.c b/net/rxrpc/main.c new file mode 100644 index 000000000000..36fdcbcd80d1 --- /dev/null +++ b/net/rxrpc/main.c @@ -0,0 +1,180 @@ +/* main.c: Rx RPC interface + * + * Copyright (C) 2002 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 + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <rxrpc/rxrpc.h> +#include <rxrpc/krxiod.h> +#include <rxrpc/krxsecd.h> +#include <rxrpc/krxtimod.h> +#include <rxrpc/transport.h> +#include <rxrpc/connection.h> +#include <rxrpc/call.h> +#include <rxrpc/message.h> +#include "internal.h" + +MODULE_DESCRIPTION("Rx RPC implementation"); +MODULE_AUTHOR("Red Hat, Inc."); +MODULE_LICENSE("GPL"); + +__be32 rxrpc_epoch; + +/*****************************************************************************/ +/* + * initialise the Rx module + */ +static int __init rxrpc_initialise(void) +{ + int ret; + + /* my epoch value */ + rxrpc_epoch = htonl(xtime.tv_sec); + + /* register the /proc interface */ +#ifdef CONFIG_PROC_FS + ret = rxrpc_proc_init(); + if (ret<0) + return ret; +#endif + + /* register the sysctl files */ +#ifdef CONFIG_SYSCTL + ret = rxrpc_sysctl_init(); + if (ret<0) + goto error_proc; +#endif + + /* start the krxtimod daemon */ + ret = rxrpc_krxtimod_start(); + if (ret<0) + goto error_sysctl; + + /* start the krxiod daemon */ + ret = rxrpc_krxiod_init(); + if (ret<0) + goto error_krxtimod; + + /* start the krxsecd daemon */ + ret = rxrpc_krxsecd_init(); + if (ret<0) + goto error_krxiod; + + kdebug("\n\n"); + + return 0; + + error_krxiod: + rxrpc_krxiod_kill(); + error_krxtimod: + rxrpc_krxtimod_kill(); + error_sysctl: +#ifdef CONFIG_SYSCTL + rxrpc_sysctl_cleanup(); +#endif + error_proc: +#ifdef CONFIG_PROC_FS + rxrpc_proc_cleanup(); +#endif + return ret; +} /* end rxrpc_initialise() */ + +module_init(rxrpc_initialise); + +/*****************************************************************************/ +/* + * clean up the Rx module + */ +static void __exit rxrpc_cleanup(void) +{ + kenter(""); + + __RXACCT(printk("Outstanding Messages : %d\n", + atomic_read(&rxrpc_message_count))); + __RXACCT(printk("Outstanding Calls : %d\n", + atomic_read(&rxrpc_call_count))); + __RXACCT(printk("Outstanding Connections: %d\n", + atomic_read(&rxrpc_connection_count))); + __RXACCT(printk("Outstanding Peers : %d\n", + atomic_read(&rxrpc_peer_count))); + __RXACCT(printk("Outstanding Transports : %d\n", + atomic_read(&rxrpc_transport_count))); + + rxrpc_krxsecd_kill(); + rxrpc_krxiod_kill(); + rxrpc_krxtimod_kill(); +#ifdef CONFIG_SYSCTL + rxrpc_sysctl_cleanup(); +#endif +#ifdef CONFIG_PROC_FS + rxrpc_proc_cleanup(); +#endif + + __RXACCT(printk("Outstanding Messages : %d\n", + atomic_read(&rxrpc_message_count))); + __RXACCT(printk("Outstanding Calls : %d\n", + atomic_read(&rxrpc_call_count))); + __RXACCT(printk("Outstanding Connections: %d\n", + atomic_read(&rxrpc_connection_count))); + __RXACCT(printk("Outstanding Peers : %d\n", + atomic_read(&rxrpc_peer_count))); + __RXACCT(printk("Outstanding Transports : %d\n", + atomic_read(&rxrpc_transport_count))); + + kleave(""); +} /* end rxrpc_cleanup() */ + +module_exit(rxrpc_cleanup); + +/*****************************************************************************/ +/* + * clear the dead space between task_struct and kernel stack + * - called by supplying -finstrument-functions to gcc + */ +#if 0 +void __cyg_profile_func_enter (void *this_fn, void *call_site) +__attribute__((no_instrument_function)); + +void __cyg_profile_func_enter (void *this_fn, void *call_site) +{ + asm volatile(" movl %%esp,%%edi \n" + " andl %0,%%edi \n" + " addl %1,%%edi \n" + " movl %%esp,%%ecx \n" + " subl %%edi,%%ecx \n" + " shrl $2,%%ecx \n" + " movl $0xedededed,%%eax \n" + " rep stosl \n" + : + : "i"(~(THREAD_SIZE-1)), "i"(sizeof(struct thread_info)) + : "eax", "ecx", "edi", "memory", "cc" + ); +} + +void __cyg_profile_func_exit(void *this_fn, void *call_site) +__attribute__((no_instrument_function)); + +void __cyg_profile_func_exit(void *this_fn, void *call_site) +{ + asm volatile(" movl %%esp,%%edi \n" + " andl %0,%%edi \n" + " addl %1,%%edi \n" + " movl %%esp,%%ecx \n" + " subl %%edi,%%ecx \n" + " shrl $2,%%ecx \n" + " movl $0xdadadada,%%eax \n" + " rep stosl \n" + : + : "i"(~(THREAD_SIZE-1)), "i"(sizeof(struct thread_info)) + : "eax", "ecx", "edi", "memory", "cc" + ); +} +#endif |