Jeff Layton | 7ea34ac | 2012-03-21 09:52:05 -0400 | [diff] [blame] | 1 | /* |
| 2 | * per net namespace data structures for nfsd |
| 3 | * |
| 4 | * Copyright (C) 2012, Jeff Layton <jlayton@redhat.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License as published by the Free |
| 8 | * Software Foundation; either version 2 of the License, or (at your option) |
| 9 | * any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 14 | * more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along with |
| 17 | * this program; if not, write to the Free Software Foundation, Inc., 51 |
| 18 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 19 | */ |
| 20 | |
| 21 | #ifndef __NFSD_NETNS_H__ |
| 22 | #define __NFSD_NETNS_H__ |
| 23 | |
| 24 | #include <net/net_namespace.h> |
| 25 | #include <net/netns/generic.h> |
| 26 | |
Stanislav Kinsbursky | 52e19c0 | 2012-11-14 18:21:16 +0300 | [diff] [blame] | 27 | /* Hash tables for nfs4_clientid state */ |
| 28 | #define CLIENT_HASH_BITS 4 |
| 29 | #define CLIENT_HASH_SIZE (1 << CLIENT_HASH_BITS) |
| 30 | #define CLIENT_HASH_MASK (CLIENT_HASH_SIZE - 1) |
| 31 | |
Stanislav Kinsbursky | 1872de0 | 2012-11-14 18:21:51 +0300 | [diff] [blame] | 32 | #define SESSION_HASH_SIZE 512 |
| 33 | |
Jeff Layton | 7ea34ac | 2012-03-21 09:52:05 -0400 | [diff] [blame] | 34 | struct cld_net; |
Stanislav Kinsbursky | 9a9c647 | 2012-12-04 14:29:27 +0300 | [diff] [blame] | 35 | struct nfsd4_client_tracking_ops; |
Jeff Layton | 7ea34ac | 2012-03-21 09:52:05 -0400 | [diff] [blame] | 36 | |
| 37 | struct nfsd_net { |
| 38 | struct cld_net *cld_net; |
Stanislav Kinsbursky | b3853e0 | 2012-04-11 15:13:21 +0400 | [diff] [blame] | 39 | |
Stanislav Kinsbursky | e5f06f7 | 2012-04-11 15:13:28 +0400 | [diff] [blame] | 40 | struct cache_detail *svc_expkey_cache; |
Stanislav Kinsbursky | b3853e0 | 2012-04-11 15:13:21 +0400 | [diff] [blame] | 41 | struct cache_detail *svc_export_cache; |
Stanislav Kinsbursky | c2e76ef | 2012-04-11 17:32:51 +0400 | [diff] [blame] | 42 | |
| 43 | struct cache_detail *idtoname_cache; |
Stanislav Kinsbursky | 9e75a4d | 2012-04-11 17:32:58 +0400 | [diff] [blame] | 44 | struct cache_detail *nametoid_cache; |
Stanislav Kinsbursky | 5e1533c | 2012-07-25 16:56:58 +0400 | [diff] [blame] | 45 | |
| 46 | struct lock_manager nfsd4_manager; |
Stanislav Kinsbursky | a51c84e | 2012-07-25 16:57:37 +0400 | [diff] [blame] | 47 | bool grace_ended; |
Stanislav Kinsbursky | 2c142ba | 2012-07-25 16:57:45 +0400 | [diff] [blame] | 48 | time_t boot_time; |
Stanislav Kinsbursky | 52e19c0 | 2012-11-14 18:21:16 +0300 | [diff] [blame] | 49 | |
| 50 | /* |
| 51 | * reclaim_str_hashtbl[] holds known client info from previous reset/reboot |
| 52 | * used in reboot/reset lease grace period processing |
Stanislav Kinsbursky | 382a62e | 2012-11-14 18:21:26 +0300 | [diff] [blame] | 53 | * |
| 54 | * conf_id_hashtbl[], and conf_name_tree hold confirmed |
| 55 | * setclientid_confirmed info. |
Stanislav Kinsbursky | a99454a | 2012-11-14 18:21:36 +0300 | [diff] [blame] | 56 | * |
| 57 | * unconf_str_hastbl[] and unconf_name_tree hold unconfirmed |
| 58 | * setclientid info. |
Stanislav Kinsbursky | 52e19c0 | 2012-11-14 18:21:16 +0300 | [diff] [blame] | 59 | */ |
| 60 | struct list_head *reclaim_str_hashtbl; |
| 61 | int reclaim_str_hashtbl_size; |
Stanislav Kinsbursky | 8daae4d | 2012-11-14 18:21:21 +0300 | [diff] [blame] | 62 | struct list_head *conf_id_hashtbl; |
Stanislav Kinsbursky | 382a62e | 2012-11-14 18:21:26 +0300 | [diff] [blame] | 63 | struct rb_root conf_name_tree; |
Stanislav Kinsbursky | 0a7ec37 | 2012-11-14 18:21:31 +0300 | [diff] [blame] | 64 | struct list_head *unconf_id_hashtbl; |
Stanislav Kinsbursky | a99454a | 2012-11-14 18:21:36 +0300 | [diff] [blame] | 65 | struct rb_root unconf_name_tree; |
Stanislav Kinsbursky | 1872de0 | 2012-11-14 18:21:51 +0300 | [diff] [blame] | 66 | struct list_head *sessionid_hashtbl; |
Stanislav Kinsbursky | 5ed58bb | 2012-11-14 18:21:56 +0300 | [diff] [blame] | 67 | /* |
| 68 | * client_lru holds client queue ordered by nfs4_client.cl_time |
| 69 | * for lease renewal. |
Stanislav Kinsbursky | 73758fed | 2012-11-14 18:22:01 +0300 | [diff] [blame] | 70 | * |
| 71 | * close_lru holds (open) stateowner queue ordered by nfs4_stateowner.so_time |
| 72 | * for last close replay. |
| 73 | * |
| 74 | * All of the above fields are protected by the client_mutex. |
Stanislav Kinsbursky | 5ed58bb | 2012-11-14 18:21:56 +0300 | [diff] [blame] | 75 | */ |
| 76 | struct list_head client_lru; |
Stanislav Kinsbursky | 73758fed | 2012-11-14 18:22:01 +0300 | [diff] [blame] | 77 | struct list_head close_lru; |
J. Bruce Fields | e8c69d1 | 2013-03-21 15:19:33 -0400 | [diff] [blame] | 78 | struct list_head del_recall_lru; |
Stanislav Kinsbursky | 0912128 | 2012-11-14 18:22:17 +0300 | [diff] [blame] | 79 | |
| 80 | struct delayed_work laundromat_work; |
Stanislav Kinsbursky | c9a4962 | 2012-11-26 15:21:58 +0300 | [diff] [blame] | 81 | |
| 82 | /* client_lock protects the client lru list and session hash table */ |
| 83 | spinlock_t client_lock; |
Stanislav Kinsbursky | 3a07336 | 2012-11-26 16:16:25 +0300 | [diff] [blame] | 84 | |
| 85 | struct file *rec_file; |
Stanislav Kinsbursky | f141f79 | 2012-11-26 16:16:30 +0300 | [diff] [blame] | 86 | bool in_grace; |
Stanislav Kinsbursky | 9a9c647 | 2012-12-04 14:29:27 +0300 | [diff] [blame] | 87 | struct nfsd4_client_tracking_ops *client_tracking_ops; |
Stanislav Kinsbursky | 3d73371 | 2012-11-27 14:11:44 +0300 | [diff] [blame] | 88 | |
| 89 | time_t nfsd4_lease; |
Stanislav Kinsbursky | 5284b44 | 2012-11-27 14:11:49 +0300 | [diff] [blame] | 90 | time_t nfsd4_grace; |
Stanislav Kinsbursky | 2c2fe29 | 2012-12-06 14:23:14 +0300 | [diff] [blame] | 91 | |
| 92 | bool nfsd_net_up; |
Kinglong Mee | 8ef6671 | 2013-12-31 13:17:30 +0800 | [diff] [blame] | 93 | bool lockd_up; |
Stanislav Kinsbursky | b9c0ef8 | 2012-12-06 14:23:19 +0300 | [diff] [blame] | 94 | |
Jeff Layton | 294ac32 | 2014-07-30 08:27:15 -0400 | [diff] [blame] | 95 | /* Time of server startup */ |
Stanislav Kinsbursky | b9c0ef8 | 2012-12-06 14:23:19 +0300 | [diff] [blame] | 96 | struct timeval nfssvc_boot; |
Stanislav Kinsbursky | 9dd9845 | 2012-12-06 14:23:24 +0300 | [diff] [blame] | 97 | |
Jeff Layton | 5b8db00 | 2014-07-02 16:11:22 -0400 | [diff] [blame] | 98 | /* |
| 99 | * Max number of connections this nfsd container will allow. Defaults |
| 100 | * to '0' which is means that it bases this on the number of threads. |
| 101 | */ |
| 102 | unsigned int max_connections; |
| 103 | |
Jeff Layton | 294ac32 | 2014-07-30 08:27:15 -0400 | [diff] [blame] | 104 | u32 clientid_counter; |
| 105 | |
Stanislav Kinsbursky | 9dd9845 | 2012-12-06 14:23:24 +0300 | [diff] [blame] | 106 | struct svc_serv *nfsd_serv; |
Jeff Layton | 7ea34ac | 2012-03-21 09:52:05 -0400 | [diff] [blame] | 107 | }; |
| 108 | |
Bryan Schumaker | 44e34da60 | 2012-11-29 11:40:39 -0500 | [diff] [blame] | 109 | /* Simple check to find out if a given net was properly initialized */ |
| 110 | #define nfsd_netns_ready(nn) ((nn)->sessionid_hashtbl) |
| 111 | |
Jeff Layton | 7ea34ac | 2012-03-21 09:52:05 -0400 | [diff] [blame] | 112 | extern int nfsd_net_id; |
Jeff Layton | 7ea34ac | 2012-03-21 09:52:05 -0400 | [diff] [blame] | 113 | #endif /* __NFSD_NETNS_H__ */ |