^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * linux/net/sunrpc/sunrpc_syms.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Symbols exported by the sunrpc module.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 1997 Olaf Kirch <okir@monad.swb.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/uio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/sunrpc/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/sunrpc/clnt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/sunrpc/svc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/sunrpc/svcsock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/sunrpc/auth.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/sunrpc/rpc_pipe_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/sunrpc/xprtsock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include "sunrpc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include "netns.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) unsigned int sunrpc_net_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) EXPORT_SYMBOL_GPL(sunrpc_net_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static __net_init int sunrpc_init_net(struct net *net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) err = rpc_proc_init(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) goto err_proc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) err = ip_map_cache_create(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) goto err_ipmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) err = unix_gid_cache_create(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) goto err_unixgid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) err = rpc_pipefs_init_net(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) goto err_pipefs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) INIT_LIST_HEAD(&sn->all_clients);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) spin_lock_init(&sn->rpc_client_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) spin_lock_init(&sn->rpcb_clnt_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) err_pipefs:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) unix_gid_cache_destroy(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) err_unixgid:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) ip_map_cache_destroy(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) err_ipmap:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) rpc_proc_exit(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) err_proc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static __net_exit void sunrpc_exit_net(struct net *net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) rpc_pipefs_exit_net(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) unix_gid_cache_destroy(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) ip_map_cache_destroy(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) rpc_proc_exit(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) WARN_ON_ONCE(!list_empty(&sn->all_clients));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) static struct pernet_operations sunrpc_net_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .init = sunrpc_init_net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .exit = sunrpc_exit_net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) .id = &sunrpc_net_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) .size = sizeof(struct sunrpc_net),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static int __init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) init_sunrpc(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) int err = rpc_init_mempool();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) err = rpcauth_init_module();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) goto out2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) cache_initialize();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) err = register_pernet_subsys(&sunrpc_net_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) goto out3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) err = register_rpc_pipefs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) goto out4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) sunrpc_debugfs_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) rpc_register_sysctl();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) svc_init_xprt_sock(); /* svc sock transport */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) init_socket_xprt(); /* clnt sock transport */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) out4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) unregister_pernet_subsys(&sunrpc_net_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) out3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) rpcauth_remove_module();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) out2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) rpc_destroy_mempool();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static void __exit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) cleanup_sunrpc(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) rpc_cleanup_clids();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) rpcauth_remove_module();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) cleanup_socket_xprt();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) svc_cleanup_xprt_sock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) sunrpc_debugfs_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) unregister_rpc_pipefs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) rpc_destroy_mempool();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) unregister_pernet_subsys(&sunrpc_net_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) auth_domain_cleanup();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) rpc_unregister_sysctl();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) rcu_barrier(); /* Wait for completion of call_rcu()'s */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) module_exit(cleanup_sunrpc);