Sven Eckelmann | 0046b04 | 2016-01-01 00:01:03 +0100 | [diff] [blame] | 1 | /* Copyright (C) 2010-2016 B.A.T.M.A.N. contributors: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 2 | * |
| 3 | * Marek Lindner |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of version 2 of the GNU General Public |
| 7 | * License as published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but |
| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
Antonio Quartulli | ebf38fb | 2013-11-03 20:40:48 +0100 | [diff] [blame] | 15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 16 | */ |
| 17 | |
Sven Eckelmann | b706b13 | 2012-06-10 23:58:51 +0200 | [diff] [blame] | 18 | #include "sysfs.h" |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 19 | #include "main.h" |
| 20 | |
| 21 | #include <linux/atomic.h> |
| 22 | #include <linux/compiler.h> |
| 23 | #include <linux/device.h> |
| 24 | #include <linux/errno.h> |
| 25 | #include <linux/fs.h> |
| 26 | #include <linux/if.h> |
| 27 | #include <linux/if_vlan.h> |
| 28 | #include <linux/kernel.h> |
Sven Eckelmann | fcafa5e | 2016-05-15 11:07:42 +0200 | [diff] [blame] | 29 | #include <linux/kref.h> |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 30 | #include <linux/netdevice.h> |
| 31 | #include <linux/printk.h> |
| 32 | #include <linux/rculist.h> |
| 33 | #include <linux/rcupdate.h> |
| 34 | #include <linux/rtnetlink.h> |
| 35 | #include <linux/slab.h> |
| 36 | #include <linux/stat.h> |
| 37 | #include <linux/stddef.h> |
| 38 | #include <linux/string.h> |
| 39 | #include <linux/stringify.h> |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 40 | #include <linux/workqueue.h> |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 41 | |
Sven Eckelmann | fcafa5e | 2016-05-15 11:07:42 +0200 | [diff] [blame] | 42 | #include "bridge_loop_avoidance.h" |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 43 | #include "distributed-arp-table.h" |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 44 | #include "gateway_client.h" |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 45 | #include "gateway_common.h" |
| 46 | #include "hard-interface.h" |
Sven Eckelmann | ba41208 | 2016-05-15 23:48:31 +0200 | [diff] [blame] | 47 | #include "log.h" |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 48 | #include "network-coding.h" |
| 49 | #include "packet.h" |
| 50 | #include "soft-interface.h" |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 51 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 52 | static struct net_device *batadv_kobj_to_netdev(struct kobject *obj) |
Sven Eckelmann | 3d222bb | 2011-06-05 10:20:19 +0200 | [diff] [blame] | 53 | { |
| 54 | struct device *dev = container_of(obj->parent, struct device, kobj); |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 55 | |
Sven Eckelmann | 3d222bb | 2011-06-05 10:20:19 +0200 | [diff] [blame] | 56 | return to_net_dev(dev); |
| 57 | } |
| 58 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 59 | static struct batadv_priv *batadv_kobj_to_batpriv(struct kobject *obj) |
Sven Eckelmann | 3d222bb | 2011-06-05 10:20:19 +0200 | [diff] [blame] | 60 | { |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 61 | struct net_device *net_dev = batadv_kobj_to_netdev(obj); |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 62 | |
Sven Eckelmann | 3d222bb | 2011-06-05 10:20:19 +0200 | [diff] [blame] | 63 | return netdev_priv(net_dev); |
| 64 | } |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 65 | |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 66 | /** |
| 67 | * batadv_vlan_kobj_to_batpriv - convert a vlan kobj in the associated batpriv |
| 68 | * @obj: kobject to covert |
| 69 | * |
Sven Eckelmann | 62fe710 | 2015-09-15 19:00:48 +0200 | [diff] [blame] | 70 | * Return: the associated batadv_priv struct. |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 71 | */ |
| 72 | static struct batadv_priv *batadv_vlan_kobj_to_batpriv(struct kobject *obj) |
| 73 | { |
| 74 | /* VLAN specific attributes are located in the root sysfs folder if they |
| 75 | * refer to the untagged VLAN.. |
| 76 | */ |
| 77 | if (!strcmp(BATADV_SYSFS_IF_MESH_SUBDIR, obj->name)) |
| 78 | return batadv_kobj_to_batpriv(obj); |
| 79 | |
| 80 | /* ..while the attributes for the tagged vlans are located in |
| 81 | * the in the corresponding "vlan%VID" subfolder |
| 82 | */ |
| 83 | return batadv_kobj_to_batpriv(obj->parent); |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * batadv_kobj_to_vlan - convert a kobj in the associated softif_vlan struct |
Sven Eckelmann | 7afcbbe | 2015-10-31 12:29:29 +0100 | [diff] [blame] | 88 | * @bat_priv: the bat priv with all the soft interface information |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 89 | * @obj: kobject to covert |
| 90 | * |
Sven Eckelmann | 62fe710 | 2015-09-15 19:00:48 +0200 | [diff] [blame] | 91 | * Return: the associated softif_vlan struct if found, NULL otherwise. |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 92 | */ |
| 93 | static struct batadv_softif_vlan * |
| 94 | batadv_kobj_to_vlan(struct batadv_priv *bat_priv, struct kobject *obj) |
| 95 | { |
| 96 | struct batadv_softif_vlan *vlan_tmp, *vlan = NULL; |
| 97 | |
| 98 | rcu_read_lock(); |
| 99 | hlist_for_each_entry_rcu(vlan_tmp, &bat_priv->softif_vlan_list, list) { |
| 100 | if (vlan_tmp->kobj != obj) |
| 101 | continue; |
| 102 | |
Sven Eckelmann | 6be4d30 | 2016-01-16 10:29:42 +0100 | [diff] [blame] | 103 | if (!kref_get_unless_zero(&vlan_tmp->refcount)) |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 104 | continue; |
| 105 | |
| 106 | vlan = vlan_tmp; |
| 107 | break; |
| 108 | } |
| 109 | rcu_read_unlock(); |
| 110 | |
| 111 | return vlan; |
| 112 | } |
| 113 | |
Sven Eckelmann | 347c80f | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 114 | #define BATADV_UEV_TYPE_VAR "BATTYPE=" |
| 115 | #define BATADV_UEV_ACTION_VAR "BATACTION=" |
| 116 | #define BATADV_UEV_DATA_VAR "BATDATA=" |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 117 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 118 | static char *batadv_uev_action_str[] = { |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 119 | "add", |
| 120 | "del", |
Simon Wunderlich | cd9c7bf | 2016-03-12 10:49:33 +0100 | [diff] [blame] | 121 | "change", |
| 122 | "loopdetect", |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 123 | }; |
| 124 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 125 | static char *batadv_uev_type_str[] = { |
Simon Wunderlich | cd9c7bf | 2016-03-12 10:49:33 +0100 | [diff] [blame] | 126 | "gw", |
| 127 | "bla", |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 128 | }; |
| 129 | |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 130 | /* Use this, if you have customized show and store functions for vlan attrs */ |
| 131 | #define BATADV_ATTR_VLAN(_name, _mode, _show, _store) \ |
| 132 | struct batadv_attribute batadv_attr_vlan_##_name = { \ |
| 133 | .attr = {.name = __stringify(_name), \ |
| 134 | .mode = _mode }, \ |
| 135 | .show = _show, \ |
| 136 | .store = _store, \ |
Antonio Quartulli | 2b64df2 | 2014-05-15 11:24:26 +0200 | [diff] [blame] | 137 | } |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 138 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 139 | /* Use this, if you have customized show and store functions */ |
Sven Eckelmann | 347c80f | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 140 | #define BATADV_ATTR(_name, _mode, _show, _store) \ |
Sven Eckelmann | b4d66b8 | 2012-06-05 22:31:29 +0200 | [diff] [blame] | 141 | struct batadv_attribute batadv_attr_##_name = { \ |
Sven Eckelmann | 347c80f | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 142 | .attr = {.name = __stringify(_name), \ |
| 143 | .mode = _mode }, \ |
| 144 | .show = _show, \ |
| 145 | .store = _store, \ |
Antonio Quartulli | 2b64df2 | 2014-05-15 11:24:26 +0200 | [diff] [blame] | 146 | } |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 147 | |
Sven Eckelmann | 347c80f | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 148 | #define BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 149 | ssize_t batadv_store_##_name(struct kobject *kobj, \ |
| 150 | struct attribute *attr, char *buff, \ |
| 151 | size_t count) \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 152 | { \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 153 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 154 | struct batadv_priv *bat_priv = netdev_priv(net_dev); \ |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 155 | \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 156 | return __batadv_store_bool_attr(buff, count, _post_func, attr, \ |
| 157 | &bat_priv->_name, net_dev); \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 158 | } |
| 159 | |
Sven Eckelmann | 347c80f | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 160 | #define BATADV_ATTR_SIF_SHOW_BOOL(_name) \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 161 | ssize_t batadv_show_##_name(struct kobject *kobj, \ |
| 162 | struct attribute *attr, char *buff) \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 163 | { \ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 164 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 165 | \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 166 | return sprintf(buff, "%s\n", \ |
| 167 | atomic_read(&bat_priv->_name) == 0 ? \ |
| 168 | "disabled" : "enabled"); \ |
| 169 | } \ |
| 170 | |
Marek Lindner | f245c38 | 2012-03-11 06:17:51 +0800 | [diff] [blame] | 171 | /* Use this, if you are going to turn a [name] in the soft-interface |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 172 | * (bat_priv) on or off |
| 173 | */ |
Sven Eckelmann | 347c80f | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 174 | #define BATADV_ATTR_SIF_BOOL(_name, _mode, _post_func) \ |
| 175 | static BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \ |
| 176 | static BATADV_ATTR_SIF_SHOW_BOOL(_name) \ |
| 177 | static BATADV_ATTR(_name, _mode, batadv_show_##_name, \ |
| 178 | batadv_store_##_name) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 179 | |
Antonio Quartulli | 6f70eb7 | 2015-03-01 00:50:16 +0800 | [diff] [blame] | 180 | #define BATADV_ATTR_SIF_STORE_UINT(_name, _var, _min, _max, _post_func) \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 181 | ssize_t batadv_store_##_name(struct kobject *kobj, \ |
| 182 | struct attribute *attr, char *buff, \ |
| 183 | size_t count) \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 184 | { \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 185 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 186 | struct batadv_priv *bat_priv = netdev_priv(net_dev); \ |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 187 | \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 188 | return __batadv_store_uint_attr(buff, count, _min, _max, \ |
| 189 | _post_func, attr, \ |
Sven Eckelmann | 78364cd | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 190 | &bat_priv->_var, net_dev, \ |
| 191 | NULL); \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 192 | } |
| 193 | |
Antonio Quartulli | 6f70eb7 | 2015-03-01 00:50:16 +0800 | [diff] [blame] | 194 | #define BATADV_ATTR_SIF_SHOW_UINT(_name, _var) \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 195 | ssize_t batadv_show_##_name(struct kobject *kobj, \ |
| 196 | struct attribute *attr, char *buff) \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 197 | { \ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 198 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 199 | \ |
Antonio Quartulli | 6f70eb7 | 2015-03-01 00:50:16 +0800 | [diff] [blame] | 200 | return sprintf(buff, "%i\n", atomic_read(&bat_priv->_var)); \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 201 | } \ |
| 202 | |
Marek Lindner | f245c38 | 2012-03-11 06:17:51 +0800 | [diff] [blame] | 203 | /* Use this, if you are going to set [name] in the soft-interface |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 204 | * (bat_priv) to an unsigned integer value |
| 205 | */ |
Antonio Quartulli | 6f70eb7 | 2015-03-01 00:50:16 +0800 | [diff] [blame] | 206 | #define BATADV_ATTR_SIF_UINT(_name, _var, _mode, _min, _max, _post_func)\ |
| 207 | static BATADV_ATTR_SIF_STORE_UINT(_name, _var, _min, _max, _post_func)\ |
| 208 | static BATADV_ATTR_SIF_SHOW_UINT(_name, _var) \ |
Sven Eckelmann | 347c80f | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 209 | static BATADV_ATTR(_name, _mode, batadv_show_##_name, \ |
| 210 | batadv_store_##_name) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 211 | |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 212 | #define BATADV_ATTR_VLAN_STORE_BOOL(_name, _post_func) \ |
| 213 | ssize_t batadv_store_vlan_##_name(struct kobject *kobj, \ |
| 214 | struct attribute *attr, char *buff, \ |
| 215 | size_t count) \ |
| 216 | { \ |
| 217 | struct batadv_priv *bat_priv = batadv_vlan_kobj_to_batpriv(kobj);\ |
| 218 | struct batadv_softif_vlan *vlan = batadv_kobj_to_vlan(bat_priv, \ |
| 219 | kobj); \ |
| 220 | size_t res = __batadv_store_bool_attr(buff, count, _post_func, \ |
| 221 | attr, &vlan->_name, \ |
| 222 | bat_priv->soft_iface); \ |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 223 | \ |
Sven Eckelmann | 9c3bf08 | 2016-01-17 11:01:21 +0100 | [diff] [blame] | 224 | batadv_softif_vlan_put(vlan); \ |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 225 | return res; \ |
| 226 | } |
| 227 | |
| 228 | #define BATADV_ATTR_VLAN_SHOW_BOOL(_name) \ |
| 229 | ssize_t batadv_show_vlan_##_name(struct kobject *kobj, \ |
| 230 | struct attribute *attr, char *buff) \ |
| 231 | { \ |
| 232 | struct batadv_priv *bat_priv = batadv_vlan_kobj_to_batpriv(kobj);\ |
| 233 | struct batadv_softif_vlan *vlan = batadv_kobj_to_vlan(bat_priv, \ |
| 234 | kobj); \ |
| 235 | size_t res = sprintf(buff, "%s\n", \ |
| 236 | atomic_read(&vlan->_name) == 0 ? \ |
| 237 | "disabled" : "enabled"); \ |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 238 | \ |
Sven Eckelmann | 9c3bf08 | 2016-01-17 11:01:21 +0100 | [diff] [blame] | 239 | batadv_softif_vlan_put(vlan); \ |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 240 | return res; \ |
| 241 | } |
| 242 | |
| 243 | /* Use this, if you are going to turn a [name] in the vlan struct on or off */ |
| 244 | #define BATADV_ATTR_VLAN_BOOL(_name, _mode, _post_func) \ |
| 245 | static BATADV_ATTR_VLAN_STORE_BOOL(_name, _post_func) \ |
| 246 | static BATADV_ATTR_VLAN_SHOW_BOOL(_name) \ |
| 247 | static BATADV_ATTR_VLAN(_name, _mode, batadv_show_vlan_##_name, \ |
| 248 | batadv_store_vlan_##_name) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 249 | |
Linus Luessing | 0744ff8 | 2016-01-16 16:40:08 +0800 | [diff] [blame] | 250 | #define BATADV_ATTR_HIF_STORE_UINT(_name, _var, _min, _max, _post_func) \ |
| 251 | ssize_t batadv_store_##_name(struct kobject *kobj, \ |
| 252 | struct attribute *attr, char *buff, \ |
| 253 | size_t count) \ |
| 254 | { \ |
| 255 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ |
| 256 | struct batadv_hard_iface *hard_iface; \ |
| 257 | ssize_t length; \ |
| 258 | \ |
| 259 | hard_iface = batadv_hardif_get_by_netdev(net_dev); \ |
| 260 | if (!hard_iface) \ |
| 261 | return 0; \ |
| 262 | \ |
| 263 | length = __batadv_store_uint_attr(buff, count, _min, _max, \ |
| 264 | _post_func, attr, \ |
Sven Eckelmann | 78364cd | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 265 | &hard_iface->_var, \ |
| 266 | hard_iface->soft_iface, \ |
| 267 | net_dev); \ |
Linus Luessing | 0744ff8 | 2016-01-16 16:40:08 +0800 | [diff] [blame] | 268 | \ |
| 269 | batadv_hardif_put(hard_iface); \ |
| 270 | return length; \ |
| 271 | } |
| 272 | |
| 273 | #define BATADV_ATTR_HIF_SHOW_UINT(_name, _var) \ |
| 274 | ssize_t batadv_show_##_name(struct kobject *kobj, \ |
| 275 | struct attribute *attr, char *buff) \ |
| 276 | { \ |
| 277 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ |
| 278 | struct batadv_hard_iface *hard_iface; \ |
| 279 | ssize_t length; \ |
| 280 | \ |
| 281 | hard_iface = batadv_hardif_get_by_netdev(net_dev); \ |
| 282 | if (!hard_iface) \ |
| 283 | return 0; \ |
| 284 | \ |
| 285 | length = sprintf(buff, "%i\n", atomic_read(&hard_iface->_var)); \ |
| 286 | \ |
| 287 | batadv_hardif_put(hard_iface); \ |
| 288 | return length; \ |
| 289 | } |
| 290 | |
| 291 | /* Use this, if you are going to set [name] in hard_iface to an |
| 292 | * unsigned integer value |
| 293 | */ |
| 294 | #define BATADV_ATTR_HIF_UINT(_name, _var, _mode, _min, _max, _post_func)\ |
| 295 | static BATADV_ATTR_HIF_STORE_UINT(_name, _var, _min, \ |
| 296 | _max, _post_func) \ |
| 297 | static BATADV_ATTR_HIF_SHOW_UINT(_name, _var) \ |
| 298 | static BATADV_ATTR(_name, _mode, batadv_show_##_name, \ |
| 299 | batadv_store_##_name) |
| 300 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 301 | static int batadv_store_bool_attr(char *buff, size_t count, |
| 302 | struct net_device *net_dev, |
Simon Wunderlich | 9e728e8 | 2015-11-17 14:11:26 +0100 | [diff] [blame] | 303 | const char *attr_name, atomic_t *attr, |
| 304 | bool *changed) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 305 | { |
| 306 | int enabled = -1; |
| 307 | |
Simon Wunderlich | 9e728e8 | 2015-11-17 14:11:26 +0100 | [diff] [blame] | 308 | *changed = false; |
| 309 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 310 | if (buff[count - 1] == '\n') |
| 311 | buff[count - 1] = '\0'; |
| 312 | |
| 313 | if ((strncmp(buff, "1", 2) == 0) || |
| 314 | (strncmp(buff, "enable", 7) == 0) || |
| 315 | (strncmp(buff, "enabled", 8) == 0)) |
| 316 | enabled = 1; |
| 317 | |
| 318 | if ((strncmp(buff, "0", 2) == 0) || |
| 319 | (strncmp(buff, "disable", 8) == 0) || |
| 320 | (strncmp(buff, "disabled", 9) == 0)) |
| 321 | enabled = 0; |
| 322 | |
| 323 | if (enabled < 0) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 324 | batadv_info(net_dev, "%s: Invalid parameter received: %s\n", |
| 325 | attr_name, buff); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 326 | return -EINVAL; |
| 327 | } |
| 328 | |
| 329 | if (atomic_read(attr) == enabled) |
| 330 | return count; |
| 331 | |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 332 | batadv_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name, |
| 333 | atomic_read(attr) == 1 ? "enabled" : "disabled", |
| 334 | enabled == 1 ? "enabled" : "disabled"); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 335 | |
Simon Wunderlich | 9e728e8 | 2015-11-17 14:11:26 +0100 | [diff] [blame] | 336 | *changed = true; |
| 337 | |
Eric Dumazet | 95c9617 | 2012-04-15 05:58:06 +0000 | [diff] [blame] | 338 | atomic_set(attr, (unsigned int)enabled); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 339 | return count; |
| 340 | } |
| 341 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 342 | static inline ssize_t |
| 343 | __batadv_store_bool_attr(char *buff, size_t count, |
| 344 | void (*post_func)(struct net_device *), |
| 345 | struct attribute *attr, |
| 346 | atomic_t *attr_store, struct net_device *net_dev) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 347 | { |
Simon Wunderlich | 9e728e8 | 2015-11-17 14:11:26 +0100 | [diff] [blame] | 348 | bool changed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 349 | int ret; |
| 350 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 351 | ret = batadv_store_bool_attr(buff, count, net_dev, attr->name, |
Simon Wunderlich | 9e728e8 | 2015-11-17 14:11:26 +0100 | [diff] [blame] | 352 | attr_store, &changed); |
| 353 | if (post_func && changed) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 354 | post_func(net_dev); |
| 355 | |
| 356 | return ret; |
| 357 | } |
| 358 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 359 | static int batadv_store_uint_attr(const char *buff, size_t count, |
| 360 | struct net_device *net_dev, |
Sven Eckelmann | 78364cd | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 361 | struct net_device *slave_dev, |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 362 | const char *attr_name, |
| 363 | unsigned int min, unsigned int max, |
| 364 | atomic_t *attr) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 365 | { |
Sven Eckelmann | 78364cd | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 366 | char ifname[IFNAMSIZ + 3] = ""; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 367 | unsigned long uint_val; |
| 368 | int ret; |
| 369 | |
Sven Eckelmann | 25a92b1 | 2011-09-30 13:32:01 +0200 | [diff] [blame] | 370 | ret = kstrtoul(buff, 10, &uint_val); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 371 | if (ret) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 372 | batadv_info(net_dev, "%s: Invalid parameter received: %s\n", |
| 373 | attr_name, buff); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 374 | return -EINVAL; |
| 375 | } |
| 376 | |
| 377 | if (uint_val < min) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 378 | batadv_info(net_dev, "%s: Value is too small: %lu min: %u\n", |
| 379 | attr_name, uint_val, min); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 380 | return -EINVAL; |
| 381 | } |
| 382 | |
| 383 | if (uint_val > max) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 384 | batadv_info(net_dev, "%s: Value is too big: %lu max: %u\n", |
| 385 | attr_name, uint_val, max); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 386 | return -EINVAL; |
| 387 | } |
| 388 | |
| 389 | if (atomic_read(attr) == uint_val) |
| 390 | return count; |
| 391 | |
Sven Eckelmann | 78364cd | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 392 | if (slave_dev) |
| 393 | snprintf(ifname, sizeof(ifname), "%s: ", slave_dev->name); |
| 394 | |
| 395 | batadv_info(net_dev, "%s: %sChanging from: %i to: %lu\n", |
| 396 | attr_name, ifname, atomic_read(attr), uint_val); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 397 | |
| 398 | atomic_set(attr, uint_val); |
| 399 | return count; |
| 400 | } |
| 401 | |
Antonio Quartulli | c149ca7 | 2016-05-06 02:46:37 +0800 | [diff] [blame] | 402 | static ssize_t __batadv_store_uint_attr(const char *buff, size_t count, |
| 403 | int min, int max, |
| 404 | void (*post_func)(struct net_device *), |
| 405 | const struct attribute *attr, |
| 406 | atomic_t *attr_store, |
Sven Eckelmann | 78364cd | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 407 | struct net_device *net_dev, |
| 408 | struct net_device *slave_dev) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 409 | { |
| 410 | int ret; |
| 411 | |
Sven Eckelmann | 78364cd | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 412 | ret = batadv_store_uint_attr(buff, count, net_dev, slave_dev, |
| 413 | attr->name, min, max, attr_store); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 414 | if (post_func && ret) |
| 415 | post_func(net_dev); |
| 416 | |
| 417 | return ret; |
| 418 | } |
| 419 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 420 | static ssize_t batadv_show_bat_algo(struct kobject *kobj, |
| 421 | struct attribute *attr, char *buff) |
Marek Lindner | ea3d2fd | 2011-11-29 00:15:37 +0800 | [diff] [blame] | 422 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 423 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 424 | |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 425 | return sprintf(buff, "%s\n", bat_priv->algo_ops->name); |
Marek Lindner | ea3d2fd | 2011-11-29 00:15:37 +0800 | [diff] [blame] | 426 | } |
| 427 | |
Antonio Quartulli | 4e820e7 | 2013-11-04 20:59:41 +0100 | [diff] [blame] | 428 | static void batadv_post_gw_reselect(struct net_device *net_dev) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 429 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 430 | struct batadv_priv *bat_priv = netdev_priv(net_dev); |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 431 | |
Antonio Quartulli | 4e820e7 | 2013-11-04 20:59:41 +0100 | [diff] [blame] | 432 | batadv_gw_reselect(bat_priv); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 433 | } |
| 434 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 435 | static ssize_t batadv_show_gw_mode(struct kobject *kobj, struct attribute *attr, |
| 436 | char *buff) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 437 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 438 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 439 | int bytes_written; |
| 440 | |
Antonio Quartulli | a8d8d1d | 2016-07-03 12:46:35 +0200 | [diff] [blame] | 441 | /* GW mode is not available if the routing algorithm in use does not |
| 442 | * implement the GW API |
| 443 | */ |
| 444 | if (!bat_priv->algo_ops->gw.get_best_gw_node || |
| 445 | !bat_priv->algo_ops->gw.is_eligible) |
| 446 | return -ENOENT; |
| 447 | |
Antonio Quartulli | 3a24a63 | 2016-05-06 02:46:38 +0800 | [diff] [blame] | 448 | switch (atomic_read(&bat_priv->gw.mode)) { |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 449 | case BATADV_GW_MODE_CLIENT: |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 450 | bytes_written = sprintf(buff, "%s\n", |
| 451 | BATADV_GW_MODE_CLIENT_NAME); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 452 | break; |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 453 | case BATADV_GW_MODE_SERVER: |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 454 | bytes_written = sprintf(buff, "%s\n", |
| 455 | BATADV_GW_MODE_SERVER_NAME); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 456 | break; |
| 457 | default: |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 458 | bytes_written = sprintf(buff, "%s\n", |
| 459 | BATADV_GW_MODE_OFF_NAME); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 460 | break; |
| 461 | } |
| 462 | |
| 463 | return bytes_written; |
| 464 | } |
| 465 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 466 | static ssize_t batadv_store_gw_mode(struct kobject *kobj, |
| 467 | struct attribute *attr, char *buff, |
| 468 | size_t count) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 469 | { |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 470 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 471 | struct batadv_priv *bat_priv = netdev_priv(net_dev); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 472 | char *curr_gw_mode_str; |
| 473 | int gw_mode_tmp = -1; |
| 474 | |
Antonio Quartulli | a8d8d1d | 2016-07-03 12:46:35 +0200 | [diff] [blame] | 475 | /* toggling GW mode is allowed only if the routing algorithm in use |
| 476 | * provides the GW API |
| 477 | */ |
| 478 | if (!bat_priv->algo_ops->gw.get_best_gw_node || |
| 479 | !bat_priv->algo_ops->gw.is_eligible) |
| 480 | return -EINVAL; |
| 481 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 482 | if (buff[count - 1] == '\n') |
| 483 | buff[count - 1] = '\0'; |
| 484 | |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 485 | if (strncmp(buff, BATADV_GW_MODE_OFF_NAME, |
| 486 | strlen(BATADV_GW_MODE_OFF_NAME)) == 0) |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 487 | gw_mode_tmp = BATADV_GW_MODE_OFF; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 488 | |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 489 | if (strncmp(buff, BATADV_GW_MODE_CLIENT_NAME, |
| 490 | strlen(BATADV_GW_MODE_CLIENT_NAME)) == 0) |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 491 | gw_mode_tmp = BATADV_GW_MODE_CLIENT; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 492 | |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 493 | if (strncmp(buff, BATADV_GW_MODE_SERVER_NAME, |
| 494 | strlen(BATADV_GW_MODE_SERVER_NAME)) == 0) |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 495 | gw_mode_tmp = BATADV_GW_MODE_SERVER; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 496 | |
| 497 | if (gw_mode_tmp < 0) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 498 | batadv_info(net_dev, |
| 499 | "Invalid parameter for 'gw mode' setting received: %s\n", |
| 500 | buff); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 501 | return -EINVAL; |
| 502 | } |
| 503 | |
Antonio Quartulli | 3a24a63 | 2016-05-06 02:46:38 +0800 | [diff] [blame] | 504 | if (atomic_read(&bat_priv->gw.mode) == gw_mode_tmp) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 505 | return count; |
| 506 | |
Antonio Quartulli | 3a24a63 | 2016-05-06 02:46:38 +0800 | [diff] [blame] | 507 | switch (atomic_read(&bat_priv->gw.mode)) { |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 508 | case BATADV_GW_MODE_CLIENT: |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 509 | curr_gw_mode_str = BATADV_GW_MODE_CLIENT_NAME; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 510 | break; |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 511 | case BATADV_GW_MODE_SERVER: |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 512 | curr_gw_mode_str = BATADV_GW_MODE_SERVER_NAME; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 513 | break; |
| 514 | default: |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 515 | curr_gw_mode_str = BATADV_GW_MODE_OFF_NAME; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 516 | break; |
| 517 | } |
| 518 | |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 519 | batadv_info(net_dev, "Changing gw mode from: %s to: %s\n", |
| 520 | curr_gw_mode_str, buff); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 521 | |
Antonio Quartulli | f316318 | 2013-11-04 20:59:40 +0100 | [diff] [blame] | 522 | /* Invoking batadv_gw_reselect() is not enough to really de-select the |
| 523 | * current GW. It will only instruct the gateway client code to perform |
| 524 | * a re-election the next time that this is needed. |
| 525 | * |
| 526 | * When gw client mode is being switched off the current GW must be |
| 527 | * de-selected explicitly otherwise no GW_ADD uevent is thrown on |
| 528 | * client mode re-activation. This is operation is performed in |
| 529 | * batadv_gw_check_client_stop(). |
| 530 | */ |
Antonio Quartulli | 4e820e7 | 2013-11-04 20:59:41 +0100 | [diff] [blame] | 531 | batadv_gw_reselect(bat_priv); |
Antonio Quartulli | c6eaa3f | 2013-07-13 00:06:00 +0200 | [diff] [blame] | 532 | /* always call batadv_gw_check_client_stop() before changing the gateway |
| 533 | * state |
| 534 | */ |
| 535 | batadv_gw_check_client_stop(bat_priv); |
Antonio Quartulli | 3a24a63 | 2016-05-06 02:46:38 +0800 | [diff] [blame] | 536 | atomic_set(&bat_priv->gw.mode, (unsigned int)gw_mode_tmp); |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 537 | batadv_gw_tvlv_container_update(bat_priv); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 538 | return count; |
| 539 | } |
| 540 | |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 541 | static ssize_t batadv_show_gw_sel_class(struct kobject *kobj, |
| 542 | struct attribute *attr, char *buff) |
| 543 | { |
| 544 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
| 545 | |
Antonio Quartulli | a8d8d1d | 2016-07-03 12:46:35 +0200 | [diff] [blame] | 546 | /* GW selection class is not available if the routing algorithm in use |
| 547 | * does not implement the GW API |
| 548 | */ |
| 549 | if (!bat_priv->algo_ops->gw.get_best_gw_node || |
| 550 | !bat_priv->algo_ops->gw.is_eligible) |
| 551 | return -ENOENT; |
| 552 | |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 553 | if (bat_priv->algo_ops->gw.show_sel_class) |
| 554 | return bat_priv->algo_ops->gw.show_sel_class(bat_priv, buff); |
| 555 | |
| 556 | return sprintf(buff, "%i\n", atomic_read(&bat_priv->gw.sel_class)); |
| 557 | } |
| 558 | |
| 559 | static ssize_t batadv_store_gw_sel_class(struct kobject *kobj, |
| 560 | struct attribute *attr, char *buff, |
| 561 | size_t count) |
| 562 | { |
| 563 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
| 564 | |
Antonio Quartulli | a8d8d1d | 2016-07-03 12:46:35 +0200 | [diff] [blame] | 565 | /* setting the GW selection class is allowed only if the routing |
| 566 | * algorithm in use implements the GW API |
| 567 | */ |
| 568 | if (!bat_priv->algo_ops->gw.get_best_gw_node || |
| 569 | !bat_priv->algo_ops->gw.is_eligible) |
| 570 | return -EINVAL; |
| 571 | |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 572 | if (buff[count - 1] == '\n') |
| 573 | buff[count - 1] = '\0'; |
| 574 | |
| 575 | if (bat_priv->algo_ops->gw.store_sel_class) |
| 576 | return bat_priv->algo_ops->gw.store_sel_class(bat_priv, buff, |
| 577 | count); |
| 578 | |
| 579 | return __batadv_store_uint_attr(buff, count, 1, BATADV_TQ_MAX_VALUE, |
| 580 | batadv_post_gw_reselect, attr, |
| 581 | &bat_priv->gw.sel_class, |
Sven Eckelmann | 78364cd | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 582 | bat_priv->soft_iface, NULL); |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 583 | } |
| 584 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 585 | static ssize_t batadv_show_gw_bwidth(struct kobject *kobj, |
| 586 | struct attribute *attr, char *buff) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 587 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 588 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 589 | u32 down, up; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 590 | |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 591 | down = atomic_read(&bat_priv->gw.bandwidth_down); |
| 592 | up = atomic_read(&bat_priv->gw.bandwidth_up); |
| 593 | |
| 594 | return sprintf(buff, "%u.%u/%u.%u MBit\n", down / 10, |
| 595 | down % 10, up / 10, up % 10); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 596 | } |
| 597 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 598 | static ssize_t batadv_store_gw_bwidth(struct kobject *kobj, |
| 599 | struct attribute *attr, char *buff, |
| 600 | size_t count) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 601 | { |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 602 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 603 | |
| 604 | if (buff[count - 1] == '\n') |
| 605 | buff[count - 1] = '\0'; |
| 606 | |
Sven Eckelmann | 84d5e5e | 2012-05-12 02:09:30 +0200 | [diff] [blame] | 607 | return batadv_gw_bandwidth_set(net_dev, buff, count); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 608 | } |
| 609 | |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 610 | /** |
| 611 | * batadv_show_isolation_mark - print the current isolation mark/mask |
| 612 | * @kobj: kobject representing the private mesh sysfs directory |
| 613 | * @attr: the batman-adv attribute the user is interacting with |
| 614 | * @buff: the buffer that will contain the data to send back to the user |
| 615 | * |
Sven Eckelmann | 62fe710 | 2015-09-15 19:00:48 +0200 | [diff] [blame] | 616 | * Return: the number of bytes written into 'buff' on success or a negative |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 617 | * error code in case of failure |
| 618 | */ |
| 619 | static ssize_t batadv_show_isolation_mark(struct kobject *kobj, |
| 620 | struct attribute *attr, char *buff) |
| 621 | { |
| 622 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
| 623 | |
| 624 | return sprintf(buff, "%#.8x/%#.8x\n", bat_priv->isolation_mark, |
| 625 | bat_priv->isolation_mark_mask); |
| 626 | } |
| 627 | |
| 628 | /** |
| 629 | * batadv_store_isolation_mark - parse and store the isolation mark/mask entered |
| 630 | * by the user |
| 631 | * @kobj: kobject representing the private mesh sysfs directory |
| 632 | * @attr: the batman-adv attribute the user is interacting with |
| 633 | * @buff: the buffer containing the user data |
| 634 | * @count: number of bytes in the buffer |
| 635 | * |
Sven Eckelmann | 62fe710 | 2015-09-15 19:00:48 +0200 | [diff] [blame] | 636 | * Return: 'count' on success or a negative error code in case of failure |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 637 | */ |
| 638 | static ssize_t batadv_store_isolation_mark(struct kobject *kobj, |
| 639 | struct attribute *attr, char *buff, |
| 640 | size_t count) |
| 641 | { |
| 642 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
| 643 | struct batadv_priv *bat_priv = netdev_priv(net_dev); |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 644 | u32 mark, mask; |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 645 | char *mask_ptr; |
| 646 | |
| 647 | /* parse the mask if it has been specified, otherwise assume the mask is |
| 648 | * the biggest possible |
| 649 | */ |
| 650 | mask = 0xFFFFFFFF; |
| 651 | mask_ptr = strchr(buff, '/'); |
| 652 | if (mask_ptr) { |
| 653 | *mask_ptr = '\0'; |
| 654 | mask_ptr++; |
| 655 | |
| 656 | /* the mask must be entered in hex base as it is going to be a |
| 657 | * bitmask and not a prefix length |
| 658 | */ |
| 659 | if (kstrtou32(mask_ptr, 16, &mask) < 0) |
| 660 | return -EINVAL; |
| 661 | } |
| 662 | |
| 663 | /* the mark can be entered in any base */ |
| 664 | if (kstrtou32(buff, 0, &mark) < 0) |
| 665 | return -EINVAL; |
| 666 | |
| 667 | bat_priv->isolation_mark_mask = mask; |
| 668 | /* erase bits not covered by the mask */ |
| 669 | bat_priv->isolation_mark = mark & bat_priv->isolation_mark_mask; |
| 670 | |
| 671 | batadv_info(net_dev, |
| 672 | "New skb mark for extended isolation: %#.8x/%#.8x\n", |
| 673 | bat_priv->isolation_mark, bat_priv->isolation_mark_mask); |
| 674 | |
| 675 | return count; |
| 676 | } |
| 677 | |
Sven Eckelmann | 347c80f | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 678 | BATADV_ATTR_SIF_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL); |
| 679 | BATADV_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL); |
Simon Wunderlich | 7a5cc24 | 2012-01-22 20:00:27 +0100 | [diff] [blame] | 680 | #ifdef CONFIG_BATMAN_ADV_BLA |
Simon Wunderlich | d68081a | 2015-11-09 16:20:52 +0100 | [diff] [blame] | 681 | BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR, |
| 682 | batadv_bla_status_update); |
Simon Wunderlich | 7a5cc24 | 2012-01-22 20:00:27 +0100 | [diff] [blame] | 683 | #endif |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 684 | #ifdef CONFIG_BATMAN_ADV_DAT |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 685 | BATADV_ATTR_SIF_BOOL(distributed_arp_table, S_IRUGO | S_IWUSR, |
| 686 | batadv_dat_status_update); |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 687 | #endif |
Sven Eckelmann | 347c80f | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 688 | BATADV_ATTR_SIF_BOOL(fragmentation, S_IRUGO | S_IWUSR, batadv_update_min_mtu); |
Sven Eckelmann | 347c80f | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 689 | static BATADV_ATTR(routing_algo, S_IRUGO, batadv_show_bat_algo, NULL); |
| 690 | static BATADV_ATTR(gw_mode, S_IRUGO | S_IWUSR, batadv_show_gw_mode, |
| 691 | batadv_store_gw_mode); |
Antonio Quartulli | 6f70eb7 | 2015-03-01 00:50:16 +0800 | [diff] [blame] | 692 | BATADV_ATTR_SIF_UINT(orig_interval, orig_interval, S_IRUGO | S_IWUSR, |
| 693 | 2 * BATADV_JITTER, INT_MAX, NULL); |
| 694 | BATADV_ATTR_SIF_UINT(hop_penalty, hop_penalty, S_IRUGO | S_IWUSR, 0, |
| 695 | BATADV_TQ_MAX_VALUE, NULL); |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 696 | static BATADV_ATTR(gw_sel_class, S_IRUGO | S_IWUSR, batadv_show_gw_sel_class, |
| 697 | batadv_store_gw_sel_class); |
Sven Eckelmann | 347c80f | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 698 | static BATADV_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, batadv_show_gw_bwidth, |
| 699 | batadv_store_gw_bwidth); |
Linus Lüssing | 1d8ab8d | 2014-02-15 17:47:52 +0100 | [diff] [blame] | 700 | #ifdef CONFIG_BATMAN_ADV_MCAST |
| 701 | BATADV_ATTR_SIF_BOOL(multicast_mode, S_IRUGO | S_IWUSR, NULL); |
| 702 | #endif |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 703 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
Antonio Quartulli | 6f70eb7 | 2015-03-01 00:50:16 +0800 | [diff] [blame] | 704 | BATADV_ATTR_SIF_UINT(log_level, log_level, S_IRUGO | S_IWUSR, 0, |
| 705 | BATADV_DBG_ALL, NULL); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 706 | #endif |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 707 | #ifdef CONFIG_BATMAN_ADV_NC |
Marek Lindner | 3f4841f | 2013-04-23 21:40:00 +0800 | [diff] [blame] | 708 | BATADV_ATTR_SIF_BOOL(network_coding, S_IRUGO | S_IWUSR, |
| 709 | batadv_nc_status_update); |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 710 | #endif |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 711 | static BATADV_ATTR(isolation_mark, S_IRUGO | S_IWUSR, |
| 712 | batadv_show_isolation_mark, batadv_store_isolation_mark); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 713 | |
Sven Eckelmann | b4d66b8 | 2012-06-05 22:31:29 +0200 | [diff] [blame] | 714 | static struct batadv_attribute *batadv_mesh_attrs[] = { |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 715 | &batadv_attr_aggregated_ogms, |
| 716 | &batadv_attr_bonding, |
Simon Wunderlich | 7a5cc24 | 2012-01-22 20:00:27 +0100 | [diff] [blame] | 717 | #ifdef CONFIG_BATMAN_ADV_BLA |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 718 | &batadv_attr_bridge_loop_avoidance, |
Simon Wunderlich | 7a5cc24 | 2012-01-22 20:00:27 +0100 | [diff] [blame] | 719 | #endif |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 720 | #ifdef CONFIG_BATMAN_ADV_DAT |
| 721 | &batadv_attr_distributed_arp_table, |
| 722 | #endif |
Linus Lüssing | 1d8ab8d | 2014-02-15 17:47:52 +0100 | [diff] [blame] | 723 | #ifdef CONFIG_BATMAN_ADV_MCAST |
| 724 | &batadv_attr_multicast_mode, |
| 725 | #endif |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 726 | &batadv_attr_fragmentation, |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 727 | &batadv_attr_routing_algo, |
| 728 | &batadv_attr_gw_mode, |
| 729 | &batadv_attr_orig_interval, |
| 730 | &batadv_attr_hop_penalty, |
| 731 | &batadv_attr_gw_sel_class, |
| 732 | &batadv_attr_gw_bandwidth, |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 733 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 734 | &batadv_attr_log_level, |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 735 | #endif |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 736 | #ifdef CONFIG_BATMAN_ADV_NC |
| 737 | &batadv_attr_network_coding, |
| 738 | #endif |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 739 | &batadv_attr_isolation_mark, |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 740 | NULL, |
| 741 | }; |
| 742 | |
Antonio Quartulli | b8cbd81 | 2013-07-02 11:04:36 +0200 | [diff] [blame] | 743 | BATADV_ATTR_VLAN_BOOL(ap_isolation, S_IRUGO | S_IWUSR, NULL); |
| 744 | |
Sven Eckelmann | f34ac9d | 2015-09-06 21:38:53 +0200 | [diff] [blame] | 745 | /* array of vlan specific sysfs attributes */ |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 746 | static struct batadv_attribute *batadv_vlan_attrs[] = { |
Antonio Quartulli | b8cbd81 | 2013-07-02 11:04:36 +0200 | [diff] [blame] | 747 | &batadv_attr_vlan_ap_isolation, |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 748 | NULL, |
| 749 | }; |
| 750 | |
Sven Eckelmann | 5853e22 | 2012-05-12 02:09:24 +0200 | [diff] [blame] | 751 | int batadv_sysfs_add_meshif(struct net_device *dev) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 752 | { |
| 753 | struct kobject *batif_kobject = &dev->dev.kobj; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 754 | struct batadv_priv *bat_priv = netdev_priv(dev); |
Sven Eckelmann | b4d66b8 | 2012-06-05 22:31:29 +0200 | [diff] [blame] | 755 | struct batadv_attribute **bat_attr; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 756 | int err; |
| 757 | |
Sven Eckelmann | 036cbfe | 2012-06-03 22:19:09 +0200 | [diff] [blame] | 758 | bat_priv->mesh_obj = kobject_create_and_add(BATADV_SYSFS_IF_MESH_SUBDIR, |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 759 | batif_kobject); |
| 760 | if (!bat_priv->mesh_obj) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 761 | batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, |
Sven Eckelmann | 036cbfe | 2012-06-03 22:19:09 +0200 | [diff] [blame] | 762 | BATADV_SYSFS_IF_MESH_SUBDIR); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 763 | goto out; |
| 764 | } |
| 765 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 766 | for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 767 | err = sysfs_create_file(bat_priv->mesh_obj, |
| 768 | &((*bat_attr)->attr)); |
| 769 | if (err) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 770 | batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n", |
Sven Eckelmann | 036cbfe | 2012-06-03 22:19:09 +0200 | [diff] [blame] | 771 | dev->name, BATADV_SYSFS_IF_MESH_SUBDIR, |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 772 | ((*bat_attr)->attr).name); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 773 | goto rem_attr; |
| 774 | } |
| 775 | } |
| 776 | |
| 777 | return 0; |
| 778 | |
| 779 | rem_attr: |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 780 | for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 781 | sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); |
| 782 | |
Sven Eckelmann | f4acb10 | 2016-06-13 07:41:32 +0200 | [diff] [blame] | 783 | kobject_uevent(bat_priv->mesh_obj, KOBJ_REMOVE); |
| 784 | kobject_del(bat_priv->mesh_obj); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 785 | kobject_put(bat_priv->mesh_obj); |
| 786 | bat_priv->mesh_obj = NULL; |
| 787 | out: |
| 788 | return -ENOMEM; |
| 789 | } |
| 790 | |
Sven Eckelmann | 5853e22 | 2012-05-12 02:09:24 +0200 | [diff] [blame] | 791 | void batadv_sysfs_del_meshif(struct net_device *dev) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 792 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 793 | struct batadv_priv *bat_priv = netdev_priv(dev); |
Sven Eckelmann | b4d66b8 | 2012-06-05 22:31:29 +0200 | [diff] [blame] | 794 | struct batadv_attribute **bat_attr; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 795 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 796 | for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 797 | sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); |
| 798 | |
Sven Eckelmann | f4acb10 | 2016-06-13 07:41:32 +0200 | [diff] [blame] | 799 | kobject_uevent(bat_priv->mesh_obj, KOBJ_REMOVE); |
| 800 | kobject_del(bat_priv->mesh_obj); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 801 | kobject_put(bat_priv->mesh_obj); |
| 802 | bat_priv->mesh_obj = NULL; |
| 803 | } |
| 804 | |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 805 | /** |
| 806 | * batadv_sysfs_add_vlan - add all the needed sysfs objects for the new vlan |
| 807 | * @dev: netdev of the mesh interface |
| 808 | * @vlan: private data of the newly added VLAN interface |
| 809 | * |
Sven Eckelmann | 62fe710 | 2015-09-15 19:00:48 +0200 | [diff] [blame] | 810 | * Return: 0 on success and -ENOMEM if any of the structure allocations fails. |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 811 | */ |
| 812 | int batadv_sysfs_add_vlan(struct net_device *dev, |
| 813 | struct batadv_softif_vlan *vlan) |
| 814 | { |
| 815 | char vlan_subdir[sizeof(BATADV_SYSFS_VLAN_SUBDIR_PREFIX) + 5]; |
| 816 | struct batadv_priv *bat_priv = netdev_priv(dev); |
| 817 | struct batadv_attribute **bat_attr; |
| 818 | int err; |
| 819 | |
| 820 | if (vlan->vid & BATADV_VLAN_HAS_TAG) { |
| 821 | sprintf(vlan_subdir, BATADV_SYSFS_VLAN_SUBDIR_PREFIX "%hu", |
| 822 | vlan->vid & VLAN_VID_MASK); |
| 823 | |
| 824 | vlan->kobj = kobject_create_and_add(vlan_subdir, |
| 825 | bat_priv->mesh_obj); |
| 826 | if (!vlan->kobj) { |
| 827 | batadv_err(dev, "Can't add sysfs directory: %s/%s\n", |
| 828 | dev->name, vlan_subdir); |
| 829 | goto out; |
| 830 | } |
| 831 | } else { |
| 832 | /* the untagged LAN uses the root folder to store its "VLAN |
| 833 | * specific attributes" |
| 834 | */ |
| 835 | vlan->kobj = bat_priv->mesh_obj; |
| 836 | kobject_get(bat_priv->mesh_obj); |
| 837 | } |
| 838 | |
| 839 | for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr) { |
| 840 | err = sysfs_create_file(vlan->kobj, |
| 841 | &((*bat_attr)->attr)); |
| 842 | if (err) { |
| 843 | batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n", |
| 844 | dev->name, vlan_subdir, |
| 845 | ((*bat_attr)->attr).name); |
| 846 | goto rem_attr; |
| 847 | } |
| 848 | } |
| 849 | |
| 850 | return 0; |
| 851 | |
| 852 | rem_attr: |
| 853 | for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr) |
| 854 | sysfs_remove_file(vlan->kobj, &((*bat_attr)->attr)); |
| 855 | |
Sven Eckelmann | f4acb10 | 2016-06-13 07:41:32 +0200 | [diff] [blame] | 856 | if (vlan->kobj != bat_priv->mesh_obj) { |
| 857 | kobject_uevent(vlan->kobj, KOBJ_REMOVE); |
| 858 | kobject_del(vlan->kobj); |
| 859 | } |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 860 | kobject_put(vlan->kobj); |
| 861 | vlan->kobj = NULL; |
| 862 | out: |
| 863 | return -ENOMEM; |
| 864 | } |
| 865 | |
| 866 | /** |
| 867 | * batadv_sysfs_del_vlan - remove all the sysfs objects for a given VLAN |
| 868 | * @bat_priv: the bat priv with all the soft interface information |
| 869 | * @vlan: the private data of the VLAN to destroy |
| 870 | */ |
| 871 | void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv, |
| 872 | struct batadv_softif_vlan *vlan) |
| 873 | { |
| 874 | struct batadv_attribute **bat_attr; |
| 875 | |
| 876 | for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr) |
| 877 | sysfs_remove_file(vlan->kobj, &((*bat_attr)->attr)); |
| 878 | |
Sven Eckelmann | f4acb10 | 2016-06-13 07:41:32 +0200 | [diff] [blame] | 879 | if (vlan->kobj != bat_priv->mesh_obj) { |
| 880 | kobject_uevent(vlan->kobj, KOBJ_REMOVE); |
| 881 | kobject_del(vlan->kobj); |
| 882 | } |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 883 | kobject_put(vlan->kobj); |
| 884 | vlan->kobj = NULL; |
| 885 | } |
| 886 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 887 | static ssize_t batadv_show_mesh_iface(struct kobject *kobj, |
| 888 | struct attribute *attr, char *buff) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 889 | { |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 890 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 891 | struct batadv_hard_iface *hard_iface; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 892 | ssize_t length; |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 893 | const char *ifname; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 894 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 895 | hard_iface = batadv_hardif_get_by_netdev(net_dev); |
Marek Lindner | e6c10f4 | 2011-02-18 12:33:20 +0000 | [diff] [blame] | 896 | if (!hard_iface) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 897 | return 0; |
| 898 | |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 899 | if (hard_iface->if_status == BATADV_IF_NOT_IN_USE) |
| 900 | ifname = "none"; |
| 901 | else |
| 902 | ifname = hard_iface->soft_iface->name; |
| 903 | |
| 904 | length = sprintf(buff, "%s\n", ifname); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 905 | |
Sven Eckelmann | 82047ad | 2016-01-17 11:01:10 +0100 | [diff] [blame] | 906 | batadv_hardif_put(hard_iface); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 907 | |
| 908 | return length; |
| 909 | } |
| 910 | |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 911 | /** |
| 912 | * batadv_store_mesh_iface_finish - store new hardif mesh_iface state |
| 913 | * @net_dev: netdevice to add/remove to/from batman-adv soft-interface |
| 914 | * @ifname: name of soft-interface to modify |
| 915 | * |
| 916 | * Changes the parts of the hard+soft interface which can not be modified under |
| 917 | * sysfs lock (to prevent deadlock situations). |
| 918 | * |
| 919 | * Return: 0 on success, 0 < on failure |
| 920 | */ |
| 921 | static int batadv_store_mesh_iface_finish(struct net_device *net_dev, |
| 922 | char ifname[IFNAMSIZ]) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 923 | { |
Andrew Lunn | 2cd45a0 | 2016-04-21 12:57:27 +0200 | [diff] [blame] | 924 | struct net *net = dev_net(net_dev); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 925 | struct batadv_hard_iface *hard_iface; |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 926 | int status_tmp; |
| 927 | int ret = 0; |
| 928 | |
| 929 | ASSERT_RTNL(); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 930 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 931 | hard_iface = batadv_hardif_get_by_netdev(net_dev); |
Marek Lindner | e6c10f4 | 2011-02-18 12:33:20 +0000 | [diff] [blame] | 932 | if (!hard_iface) |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 933 | return 0; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 934 | |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 935 | if (strncmp(ifname, "none", 4) == 0) |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 936 | status_tmp = BATADV_IF_NOT_IN_USE; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 937 | else |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 938 | status_tmp = BATADV_IF_I_WANT_YOU; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 939 | |
Marek Lindner | e6c10f4 | 2011-02-18 12:33:20 +0000 | [diff] [blame] | 940 | if (hard_iface->if_status == status_tmp) |
| 941 | goto out; |
| 942 | |
| 943 | if ((hard_iface->soft_iface) && |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 944 | (strncmp(hard_iface->soft_iface->name, ifname, IFNAMSIZ) == 0)) |
Marek Lindner | ed75ccb | 2011-02-10 14:33:51 +0000 | [diff] [blame] | 945 | goto out; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 946 | |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 947 | if (status_tmp == BATADV_IF_NOT_IN_USE) { |
Sven Eckelmann | a15fd36 | 2013-02-11 17:10:24 +0800 | [diff] [blame] | 948 | batadv_hardif_disable_interface(hard_iface, |
| 949 | BATADV_IF_CLEANUP_AUTO); |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 950 | goto out; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 951 | } |
| 952 | |
Sven Eckelmann | 3a4375a | 2011-05-03 13:10:06 +0200 | [diff] [blame] | 953 | /* if the interface already is in use */ |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 954 | if (hard_iface->if_status != BATADV_IF_NOT_IN_USE) |
Sven Eckelmann | a15fd36 | 2013-02-11 17:10:24 +0800 | [diff] [blame] | 955 | batadv_hardif_disable_interface(hard_iface, |
| 956 | BATADV_IF_CLEANUP_AUTO); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 957 | |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 958 | ret = batadv_hardif_enable_interface(hard_iface, net, ifname); |
Marek Lindner | ed75ccb | 2011-02-10 14:33:51 +0000 | [diff] [blame] | 959 | out: |
Sven Eckelmann | 82047ad | 2016-01-17 11:01:10 +0100 | [diff] [blame] | 960 | batadv_hardif_put(hard_iface); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 961 | return ret; |
| 962 | } |
| 963 | |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 964 | /** |
| 965 | * batadv_store_mesh_iface_work - store new hardif mesh_iface state |
| 966 | * @work: work queue item |
| 967 | * |
| 968 | * Changes the parts of the hard+soft interface which can not be modified under |
| 969 | * sysfs lock (to prevent deadlock situations). |
| 970 | */ |
| 971 | static void batadv_store_mesh_iface_work(struct work_struct *work) |
| 972 | { |
| 973 | struct batadv_store_mesh_work *store_work; |
| 974 | int ret; |
| 975 | |
| 976 | store_work = container_of(work, struct batadv_store_mesh_work, work); |
| 977 | |
| 978 | rtnl_lock(); |
| 979 | ret = batadv_store_mesh_iface_finish(store_work->net_dev, |
| 980 | store_work->soft_iface_name); |
| 981 | rtnl_unlock(); |
| 982 | |
| 983 | if (ret < 0) |
| 984 | pr_err("Failed to store new mesh_iface state %s for %s: %d\n", |
| 985 | store_work->soft_iface_name, store_work->net_dev->name, |
| 986 | ret); |
| 987 | |
| 988 | dev_put(store_work->net_dev); |
| 989 | kfree(store_work); |
| 990 | } |
| 991 | |
| 992 | static ssize_t batadv_store_mesh_iface(struct kobject *kobj, |
| 993 | struct attribute *attr, char *buff, |
| 994 | size_t count) |
| 995 | { |
| 996 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
| 997 | struct batadv_store_mesh_work *store_work; |
| 998 | |
| 999 | if (buff[count - 1] == '\n') |
| 1000 | buff[count - 1] = '\0'; |
| 1001 | |
| 1002 | if (strlen(buff) >= IFNAMSIZ) { |
| 1003 | pr_err("Invalid parameter for 'mesh_iface' setting received: interface name too long '%s'\n", |
| 1004 | buff); |
| 1005 | return -EINVAL; |
| 1006 | } |
| 1007 | |
| 1008 | store_work = kmalloc(sizeof(*store_work), GFP_KERNEL); |
| 1009 | if (!store_work) |
| 1010 | return -ENOMEM; |
| 1011 | |
| 1012 | dev_hold(net_dev); |
| 1013 | INIT_WORK(&store_work->work, batadv_store_mesh_iface_work); |
| 1014 | store_work->net_dev = net_dev; |
| 1015 | strlcpy(store_work->soft_iface_name, buff, |
| 1016 | sizeof(store_work->soft_iface_name)); |
| 1017 | |
| 1018 | queue_work(batadv_event_workqueue, &store_work->work); |
| 1019 | |
| 1020 | return count; |
| 1021 | } |
| 1022 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 1023 | static ssize_t batadv_show_iface_status(struct kobject *kobj, |
| 1024 | struct attribute *attr, char *buff) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1025 | { |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 1026 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1027 | struct batadv_hard_iface *hard_iface; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1028 | ssize_t length; |
| 1029 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1030 | hard_iface = batadv_hardif_get_by_netdev(net_dev); |
Marek Lindner | e6c10f4 | 2011-02-18 12:33:20 +0000 | [diff] [blame] | 1031 | if (!hard_iface) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1032 | return 0; |
| 1033 | |
Marek Lindner | e6c10f4 | 2011-02-18 12:33:20 +0000 | [diff] [blame] | 1034 | switch (hard_iface->if_status) { |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 1035 | case BATADV_IF_TO_BE_REMOVED: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1036 | length = sprintf(buff, "disabling\n"); |
| 1037 | break; |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 1038 | case BATADV_IF_INACTIVE: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1039 | length = sprintf(buff, "inactive\n"); |
| 1040 | break; |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 1041 | case BATADV_IF_ACTIVE: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1042 | length = sprintf(buff, "active\n"); |
| 1043 | break; |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 1044 | case BATADV_IF_TO_BE_ACTIVATED: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1045 | length = sprintf(buff, "enabling\n"); |
| 1046 | break; |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 1047 | case BATADV_IF_NOT_IN_USE: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1048 | default: |
| 1049 | length = sprintf(buff, "not in use\n"); |
| 1050 | break; |
| 1051 | } |
| 1052 | |
Sven Eckelmann | 82047ad | 2016-01-17 11:01:10 +0100 | [diff] [blame] | 1053 | batadv_hardif_put(hard_iface); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1054 | |
| 1055 | return length; |
| 1056 | } |
| 1057 | |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 1058 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
| 1059 | |
| 1060 | /** |
| 1061 | * batadv_store_throughput_override - parse and store throughput override |
| 1062 | * entered by the user |
| 1063 | * @kobj: kobject representing the private mesh sysfs directory |
| 1064 | * @attr: the batman-adv attribute the user is interacting with |
| 1065 | * @buff: the buffer containing the user data |
| 1066 | * @count: number of bytes in the buffer |
| 1067 | * |
| 1068 | * Return: 'count' on success or a negative error code in case of failure |
| 1069 | */ |
| 1070 | static ssize_t batadv_store_throughput_override(struct kobject *kobj, |
| 1071 | struct attribute *attr, |
| 1072 | char *buff, size_t count) |
| 1073 | { |
| 1074 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
| 1075 | struct batadv_hard_iface *hard_iface; |
| 1076 | u32 tp_override; |
| 1077 | u32 old_tp_override; |
| 1078 | bool ret; |
| 1079 | |
| 1080 | hard_iface = batadv_hardif_get_by_netdev(net_dev); |
| 1081 | if (!hard_iface) |
| 1082 | return -EINVAL; |
| 1083 | |
| 1084 | if (buff[count - 1] == '\n') |
| 1085 | buff[count - 1] = '\0'; |
| 1086 | |
| 1087 | ret = batadv_parse_throughput(net_dev, buff, "throughput_override", |
| 1088 | &tp_override); |
| 1089 | if (!ret) |
| 1090 | return count; |
| 1091 | |
| 1092 | old_tp_override = atomic_read(&hard_iface->bat_v.throughput_override); |
| 1093 | if (old_tp_override == tp_override) |
| 1094 | goto out; |
| 1095 | |
Sven Eckelmann | 9201785 | 2018-08-31 16:46:47 +0200 | [diff] [blame] | 1096 | batadv_info(hard_iface->soft_iface, |
| 1097 | "%s: %s: Changing from: %u.%u MBit to: %u.%u MBit\n", |
| 1098 | "throughput_override", net_dev->name, |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 1099 | old_tp_override / 10, old_tp_override % 10, |
| 1100 | tp_override / 10, tp_override % 10); |
| 1101 | |
| 1102 | atomic_set(&hard_iface->bat_v.throughput_override, tp_override); |
| 1103 | |
| 1104 | out: |
| 1105 | batadv_hardif_put(hard_iface); |
| 1106 | return count; |
| 1107 | } |
| 1108 | |
| 1109 | static ssize_t batadv_show_throughput_override(struct kobject *kobj, |
| 1110 | struct attribute *attr, |
| 1111 | char *buff) |
| 1112 | { |
| 1113 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
| 1114 | struct batadv_hard_iface *hard_iface; |
| 1115 | u32 tp_override; |
| 1116 | |
| 1117 | hard_iface = batadv_hardif_get_by_netdev(net_dev); |
| 1118 | if (!hard_iface) |
| 1119 | return -EINVAL; |
| 1120 | |
| 1121 | tp_override = atomic_read(&hard_iface->bat_v.throughput_override); |
| 1122 | |
| 1123 | return sprintf(buff, "%u.%u MBit\n", tp_override / 10, |
| 1124 | tp_override % 10); |
| 1125 | } |
| 1126 | |
| 1127 | #endif |
| 1128 | |
Sven Eckelmann | 347c80f | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 1129 | static BATADV_ATTR(mesh_iface, S_IRUGO | S_IWUSR, batadv_show_mesh_iface, |
| 1130 | batadv_store_mesh_iface); |
| 1131 | static BATADV_ATTR(iface_status, S_IRUGO, batadv_show_iface_status, NULL); |
Linus Luessing | 7f136cd | 2016-01-16 16:40:11 +0800 | [diff] [blame] | 1132 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
| 1133 | BATADV_ATTR_HIF_UINT(elp_interval, bat_v.elp_interval, S_IRUGO | S_IWUSR, |
| 1134 | 2 * BATADV_JITTER, INT_MAX, NULL); |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 1135 | static BATADV_ATTR(throughput_override, S_IRUGO | S_IWUSR, |
| 1136 | batadv_show_throughput_override, |
| 1137 | batadv_store_throughput_override); |
Linus Luessing | 7f136cd | 2016-01-16 16:40:11 +0800 | [diff] [blame] | 1138 | #endif |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1139 | |
Sven Eckelmann | b4d66b8 | 2012-06-05 22:31:29 +0200 | [diff] [blame] | 1140 | static struct batadv_attribute *batadv_batman_attrs[] = { |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 1141 | &batadv_attr_mesh_iface, |
| 1142 | &batadv_attr_iface_status, |
Linus Luessing | 7f136cd | 2016-01-16 16:40:11 +0800 | [diff] [blame] | 1143 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
| 1144 | &batadv_attr_elp_interval, |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 1145 | &batadv_attr_throughput_override, |
Linus Luessing | 7f136cd | 2016-01-16 16:40:11 +0800 | [diff] [blame] | 1146 | #endif |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1147 | NULL, |
| 1148 | }; |
| 1149 | |
Sven Eckelmann | 5853e22 | 2012-05-12 02:09:24 +0200 | [diff] [blame] | 1150 | int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1151 | { |
| 1152 | struct kobject *hardif_kobject = &dev->dev.kobj; |
Sven Eckelmann | b4d66b8 | 2012-06-05 22:31:29 +0200 | [diff] [blame] | 1153 | struct batadv_attribute **bat_attr; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1154 | int err; |
| 1155 | |
Sven Eckelmann | 036cbfe | 2012-06-03 22:19:09 +0200 | [diff] [blame] | 1156 | *hardif_obj = kobject_create_and_add(BATADV_SYSFS_IF_BAT_SUBDIR, |
| 1157 | hardif_kobject); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1158 | |
| 1159 | if (!*hardif_obj) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 1160 | batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, |
Sven Eckelmann | 036cbfe | 2012-06-03 22:19:09 +0200 | [diff] [blame] | 1161 | BATADV_SYSFS_IF_BAT_SUBDIR); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1162 | goto out; |
| 1163 | } |
| 1164 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 1165 | for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr) { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1166 | err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr)); |
| 1167 | if (err) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 1168 | batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n", |
Sven Eckelmann | 036cbfe | 2012-06-03 22:19:09 +0200 | [diff] [blame] | 1169 | dev->name, BATADV_SYSFS_IF_BAT_SUBDIR, |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 1170 | ((*bat_attr)->attr).name); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1171 | goto rem_attr; |
| 1172 | } |
| 1173 | } |
| 1174 | |
| 1175 | return 0; |
| 1176 | |
| 1177 | rem_attr: |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 1178 | for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1179 | sysfs_remove_file(*hardif_obj, &((*bat_attr)->attr)); |
| 1180 | out: |
| 1181 | return -ENOMEM; |
| 1182 | } |
| 1183 | |
Sven Eckelmann | 5853e22 | 2012-05-12 02:09:24 +0200 | [diff] [blame] | 1184 | void batadv_sysfs_del_hardif(struct kobject **hardif_obj) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1185 | { |
Sven Eckelmann | f4acb10 | 2016-06-13 07:41:32 +0200 | [diff] [blame] | 1186 | kobject_uevent(*hardif_obj, KOBJ_REMOVE); |
| 1187 | kobject_del(*hardif_obj); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1188 | kobject_put(*hardif_obj); |
| 1189 | *hardif_obj = NULL; |
| 1190 | } |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 1191 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1192 | int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type, |
Sven Eckelmann | 39c75a5 | 2012-06-03 22:19:22 +0200 | [diff] [blame] | 1193 | enum batadv_uev_action action, const char *data) |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 1194 | { |
Sven Eckelmann | 5346c35 | 2012-05-05 13:27:28 +0200 | [diff] [blame] | 1195 | int ret = -ENOMEM; |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 1196 | struct kobject *bat_kobj; |
| 1197 | char *uevent_env[4] = { NULL, NULL, NULL, NULL }; |
| 1198 | |
Marek Lindner | 736292c | 2013-01-12 19:19:06 +0800 | [diff] [blame] | 1199 | bat_kobj = &bat_priv->soft_iface->dev.kobj; |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 1200 | |
Himangi Saraogi | b98fe24 | 2014-06-29 00:06:29 +0530 | [diff] [blame] | 1201 | uevent_env[0] = kasprintf(GFP_ATOMIC, |
| 1202 | "%s%s", BATADV_UEV_TYPE_VAR, |
| 1203 | batadv_uev_type_str[type]); |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 1204 | if (!uevent_env[0]) |
| 1205 | goto out; |
| 1206 | |
Himangi Saraogi | b98fe24 | 2014-06-29 00:06:29 +0530 | [diff] [blame] | 1207 | uevent_env[1] = kasprintf(GFP_ATOMIC, |
| 1208 | "%s%s", BATADV_UEV_ACTION_VAR, |
| 1209 | batadv_uev_action_str[action]); |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 1210 | if (!uevent_env[1]) |
| 1211 | goto out; |
| 1212 | |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 1213 | /* If the event is DEL, ignore the data field */ |
Sven Eckelmann | 39c75a5 | 2012-06-03 22:19:22 +0200 | [diff] [blame] | 1214 | if (action != BATADV_UEV_DEL) { |
Himangi Saraogi | b98fe24 | 2014-06-29 00:06:29 +0530 | [diff] [blame] | 1215 | uevent_env[2] = kasprintf(GFP_ATOMIC, |
| 1216 | "%s%s", BATADV_UEV_DATA_VAR, data); |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 1217 | if (!uevent_env[2]) |
| 1218 | goto out; |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 1219 | } |
| 1220 | |
| 1221 | ret = kobject_uevent_env(bat_kobj, KOBJ_CHANGE, uevent_env); |
| 1222 | out: |
| 1223 | kfree(uevent_env[0]); |
| 1224 | kfree(uevent_env[1]); |
| 1225 | kfree(uevent_env[2]); |
| 1226 | |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 1227 | if (ret) |
Sven Eckelmann | 39c75a5 | 2012-06-03 22:19:22 +0200 | [diff] [blame] | 1228 | batadv_dbg(BATADV_DBG_BATMAN, bat_priv, |
Sven Eckelmann | 1eda58b | 2012-05-12 13:48:58 +0200 | [diff] [blame] | 1229 | "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n", |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 1230 | batadv_uev_type_str[type], |
| 1231 | batadv_uev_action_str[action], |
Sven Eckelmann | 39c75a5 | 2012-06-03 22:19:22 +0200 | [diff] [blame] | 1232 | (action == BATADV_UEV_DEL ? "NULL" : data), ret); |
Antonio Quartulli | c6bda68 | 2011-04-26 18:26:01 +0200 | [diff] [blame] | 1233 | return ret; |
| 1234 | } |