Sven Eckelmann | 7db7d9f | 2017-11-19 15:05:11 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
Sven Eckelmann | 7a79d71 | 2018-12-31 23:59:59 +0100 | [diff] [blame] | 2 | /* Copyright (C) 2010-2019 B.A.T.M.A.N. contributors: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 3 | * |
| 4 | * Marek Lindner |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 5 | */ |
| 6 | |
Sven Eckelmann | b706b13 | 2012-06-10 23:58:51 +0200 | [diff] [blame] | 7 | #include "sysfs.h" |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 8 | #include "main.h" |
| 9 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 10 | #include <asm/current.h> |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 11 | #include <linux/atomic.h> |
| 12 | #include <linux/compiler.h> |
| 13 | #include <linux/device.h> |
| 14 | #include <linux/errno.h> |
Sven Eckelmann | b92b94a | 2017-11-19 17:12:02 +0100 | [diff] [blame] | 15 | #include <linux/gfp.h> |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 16 | #include <linux/if.h> |
| 17 | #include <linux/if_vlan.h> |
| 18 | #include <linux/kernel.h> |
Sven Eckelmann | 8cfba95 | 2017-11-19 17:12:05 +0100 | [diff] [blame] | 19 | #include <linux/kobject.h> |
Sven Eckelmann | fcafa5e | 2016-05-15 11:07:42 +0200 | [diff] [blame] | 20 | #include <linux/kref.h> |
Sven Eckelmann | e192875 | 2019-05-24 16:28:50 +0200 | [diff] [blame] | 21 | #include <linux/limits.h> |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 22 | #include <linux/netdevice.h> |
| 23 | #include <linux/printk.h> |
| 24 | #include <linux/rculist.h> |
| 25 | #include <linux/rcupdate.h> |
| 26 | #include <linux/rtnetlink.h> |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 27 | #include <linux/sched.h> |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 28 | #include <linux/slab.h> |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 29 | #include <linux/stddef.h> |
| 30 | #include <linux/string.h> |
| 31 | #include <linux/stringify.h> |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 32 | #include <linux/workqueue.h> |
Sven Eckelmann | fec149f | 2017-12-21 10:17:41 +0100 | [diff] [blame] | 33 | #include <uapi/linux/batadv_packet.h> |
Sven Eckelmann | e2d0d35 | 2018-11-23 13:15:00 +0100 | [diff] [blame] | 34 | #include <uapi/linux/batman_adv.h> |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 35 | |
Sven Eckelmann | fcafa5e | 2016-05-15 11:07:42 +0200 | [diff] [blame] | 36 | #include "bridge_loop_avoidance.h" |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 37 | #include "distributed-arp-table.h" |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 38 | #include "gateway_client.h" |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 39 | #include "gateway_common.h" |
| 40 | #include "hard-interface.h" |
Sven Eckelmann | ba41208 | 2016-05-15 23:48:31 +0200 | [diff] [blame] | 41 | #include "log.h" |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 42 | #include "netlink.h" |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 43 | #include "network-coding.h" |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 44 | #include "soft-interface.h" |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 45 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 46 | /** |
| 47 | * batadv_sysfs_deprecated() - Log use of deprecated batadv sysfs access |
| 48 | * @attr: attribute which was accessed |
| 49 | */ |
| 50 | static void batadv_sysfs_deprecated(struct attribute *attr) |
| 51 | { |
| 52 | pr_warn_ratelimited(DEPRECATED "%s (pid %d) Use of sysfs file \"%s\".\nUse batadv genl family instead", |
| 53 | current->comm, task_pid_nr(current), attr->name); |
| 54 | } |
| 55 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 56 | static struct net_device *batadv_kobj_to_netdev(struct kobject *obj) |
Sven Eckelmann | 3d222bb | 2011-06-05 10:20:19 +0200 | [diff] [blame] | 57 | { |
| 58 | struct device *dev = container_of(obj->parent, struct device, kobj); |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 59 | |
Sven Eckelmann | 3d222bb | 2011-06-05 10:20:19 +0200 | [diff] [blame] | 60 | return to_net_dev(dev); |
| 61 | } |
| 62 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 63 | static struct batadv_priv *batadv_kobj_to_batpriv(struct kobject *obj) |
Sven Eckelmann | 3d222bb | 2011-06-05 10:20:19 +0200 | [diff] [blame] | 64 | { |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 65 | struct net_device *net_dev = batadv_kobj_to_netdev(obj); |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 66 | |
Sven Eckelmann | 3d222bb | 2011-06-05 10:20:19 +0200 | [diff] [blame] | 67 | return netdev_priv(net_dev); |
| 68 | } |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 69 | |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 70 | /** |
Sven Eckelmann | 7e9a8c2 | 2017-12-02 19:51:47 +0100 | [diff] [blame] | 71 | * batadv_vlan_kobj_to_batpriv() - convert a vlan kobj in the associated batpriv |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 72 | * @obj: kobject to covert |
| 73 | * |
Sven Eckelmann | 62fe710 | 2015-09-15 19:00:48 +0200 | [diff] [blame] | 74 | * Return: the associated batadv_priv struct. |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 75 | */ |
| 76 | static struct batadv_priv *batadv_vlan_kobj_to_batpriv(struct kobject *obj) |
| 77 | { |
| 78 | /* VLAN specific attributes are located in the root sysfs folder if they |
| 79 | * refer to the untagged VLAN.. |
| 80 | */ |
| 81 | if (!strcmp(BATADV_SYSFS_IF_MESH_SUBDIR, obj->name)) |
| 82 | return batadv_kobj_to_batpriv(obj); |
| 83 | |
| 84 | /* ..while the attributes for the tagged vlans are located in |
| 85 | * the in the corresponding "vlan%VID" subfolder |
| 86 | */ |
| 87 | return batadv_kobj_to_batpriv(obj->parent); |
| 88 | } |
| 89 | |
| 90 | /** |
Sven Eckelmann | 7e9a8c2 | 2017-12-02 19:51:47 +0100 | [diff] [blame] | 91 | * 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] | 92 | * @bat_priv: the bat priv with all the soft interface information |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 93 | * @obj: kobject to covert |
| 94 | * |
Sven Eckelmann | 62fe710 | 2015-09-15 19:00:48 +0200 | [diff] [blame] | 95 | * Return: the associated softif_vlan struct if found, NULL otherwise. |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 96 | */ |
| 97 | static struct batadv_softif_vlan * |
| 98 | batadv_kobj_to_vlan(struct batadv_priv *bat_priv, struct kobject *obj) |
| 99 | { |
| 100 | struct batadv_softif_vlan *vlan_tmp, *vlan = NULL; |
| 101 | |
| 102 | rcu_read_lock(); |
| 103 | hlist_for_each_entry_rcu(vlan_tmp, &bat_priv->softif_vlan_list, list) { |
| 104 | if (vlan_tmp->kobj != obj) |
| 105 | continue; |
| 106 | |
Sven Eckelmann | 6be4d30 | 2016-01-16 10:29:42 +0100 | [diff] [blame] | 107 | if (!kref_get_unless_zero(&vlan_tmp->refcount)) |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 108 | continue; |
| 109 | |
| 110 | vlan = vlan_tmp; |
| 111 | break; |
| 112 | } |
| 113 | rcu_read_unlock(); |
| 114 | |
| 115 | return vlan; |
| 116 | } |
| 117 | |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 118 | /* Use this, if you have customized show and store functions for vlan attrs */ |
| 119 | #define BATADV_ATTR_VLAN(_name, _mode, _show, _store) \ |
| 120 | struct batadv_attribute batadv_attr_vlan_##_name = { \ |
| 121 | .attr = {.name = __stringify(_name), \ |
| 122 | .mode = _mode }, \ |
| 123 | .show = _show, \ |
| 124 | .store = _store, \ |
Antonio Quartulli | 2b64df2 | 2014-05-15 11:24:26 +0200 | [diff] [blame] | 125 | } |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 126 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 127 | /* Use this, if you have customized show and store functions */ |
Sven Eckelmann | 347c80f0 | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 128 | #define BATADV_ATTR(_name, _mode, _show, _store) \ |
Sven Eckelmann | b4d66b8 | 2012-06-05 22:31:29 +0200 | [diff] [blame] | 129 | struct batadv_attribute batadv_attr_##_name = { \ |
Sven Eckelmann | 347c80f0 | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 130 | .attr = {.name = __stringify(_name), \ |
| 131 | .mode = _mode }, \ |
| 132 | .show = _show, \ |
| 133 | .store = _store, \ |
Antonio Quartulli | 2b64df2 | 2014-05-15 11:24:26 +0200 | [diff] [blame] | 134 | } |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 135 | |
Sven Eckelmann | 347c80f0 | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 136 | #define BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 137 | ssize_t batadv_store_##_name(struct kobject *kobj, \ |
| 138 | struct attribute *attr, char *buff, \ |
| 139 | size_t count) \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 140 | { \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 141 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 142 | struct batadv_priv *bat_priv = netdev_priv(net_dev); \ |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 143 | ssize_t length; \ |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 144 | \ |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 145 | batadv_sysfs_deprecated(attr); \ |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 146 | length = __batadv_store_bool_attr(buff, count, _post_func, attr,\ |
| 147 | &bat_priv->_name, net_dev); \ |
| 148 | \ |
| 149 | batadv_netlink_notify_mesh(bat_priv); \ |
| 150 | \ |
| 151 | return length; \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 152 | } |
| 153 | |
Sven Eckelmann | 347c80f0 | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 154 | #define BATADV_ATTR_SIF_SHOW_BOOL(_name) \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 155 | ssize_t batadv_show_##_name(struct kobject *kobj, \ |
| 156 | struct attribute *attr, char *buff) \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 157 | { \ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 158 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 159 | \ |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 160 | batadv_sysfs_deprecated(attr); \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 161 | return sprintf(buff, "%s\n", \ |
| 162 | atomic_read(&bat_priv->_name) == 0 ? \ |
| 163 | "disabled" : "enabled"); \ |
| 164 | } \ |
| 165 | |
Marek Lindner | f245c38 | 2012-03-11 06:17:51 +0800 | [diff] [blame] | 166 | /* 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] | 167 | * (bat_priv) on or off |
| 168 | */ |
Sven Eckelmann | 347c80f0 | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 169 | #define BATADV_ATTR_SIF_BOOL(_name, _mode, _post_func) \ |
| 170 | static BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \ |
| 171 | static BATADV_ATTR_SIF_SHOW_BOOL(_name) \ |
| 172 | static BATADV_ATTR(_name, _mode, batadv_show_##_name, \ |
| 173 | batadv_store_##_name) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 174 | |
Antonio Quartulli | 6f70eb7 | 2015-03-01 00:50:16 +0800 | [diff] [blame] | 175 | #define BATADV_ATTR_SIF_STORE_UINT(_name, _var, _min, _max, _post_func) \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 176 | ssize_t batadv_store_##_name(struct kobject *kobj, \ |
| 177 | struct attribute *attr, char *buff, \ |
| 178 | size_t count) \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 179 | { \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 180 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 181 | struct batadv_priv *bat_priv = netdev_priv(net_dev); \ |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 182 | ssize_t length; \ |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 183 | \ |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 184 | batadv_sysfs_deprecated(attr); \ |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 185 | length = __batadv_store_uint_attr(buff, count, _min, _max, \ |
| 186 | _post_func, attr, \ |
| 187 | &bat_priv->_var, net_dev, \ |
| 188 | NULL); \ |
| 189 | \ |
| 190 | batadv_netlink_notify_mesh(bat_priv); \ |
| 191 | \ |
| 192 | return length; \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 193 | } |
| 194 | |
Antonio Quartulli | 6f70eb7 | 2015-03-01 00:50:16 +0800 | [diff] [blame] | 195 | #define BATADV_ATTR_SIF_SHOW_UINT(_name, _var) \ |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 196 | ssize_t batadv_show_##_name(struct kobject *kobj, \ |
| 197 | struct attribute *attr, char *buff) \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 198 | { \ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 199 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 200 | \ |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 201 | batadv_sysfs_deprecated(attr); \ |
Antonio Quartulli | 6f70eb7 | 2015-03-01 00:50:16 +0800 | [diff] [blame] | 202 | return sprintf(buff, "%i\n", atomic_read(&bat_priv->_var)); \ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 203 | } \ |
| 204 | |
Marek Lindner | f245c38 | 2012-03-11 06:17:51 +0800 | [diff] [blame] | 205 | /* 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] | 206 | * (bat_priv) to an unsigned integer value |
| 207 | */ |
Antonio Quartulli | 6f70eb7 | 2015-03-01 00:50:16 +0800 | [diff] [blame] | 208 | #define BATADV_ATTR_SIF_UINT(_name, _var, _mode, _min, _max, _post_func)\ |
| 209 | static BATADV_ATTR_SIF_STORE_UINT(_name, _var, _min, _max, _post_func)\ |
| 210 | static BATADV_ATTR_SIF_SHOW_UINT(_name, _var) \ |
Sven Eckelmann | 347c80f0 | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 211 | static BATADV_ATTR(_name, _mode, batadv_show_##_name, \ |
| 212 | batadv_store_##_name) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 213 | |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 214 | #define BATADV_ATTR_VLAN_STORE_BOOL(_name, _post_func) \ |
| 215 | ssize_t batadv_store_vlan_##_name(struct kobject *kobj, \ |
| 216 | struct attribute *attr, char *buff, \ |
| 217 | size_t count) \ |
| 218 | { \ |
| 219 | struct batadv_priv *bat_priv = batadv_vlan_kobj_to_batpriv(kobj);\ |
| 220 | struct batadv_softif_vlan *vlan = batadv_kobj_to_vlan(bat_priv, \ |
| 221 | kobj); \ |
| 222 | size_t res = __batadv_store_bool_attr(buff, count, _post_func, \ |
| 223 | attr, &vlan->_name, \ |
| 224 | bat_priv->soft_iface); \ |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 225 | \ |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 226 | batadv_sysfs_deprecated(attr); \ |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 227 | if (vlan->vid) \ |
| 228 | batadv_netlink_notify_vlan(bat_priv, vlan); \ |
| 229 | else \ |
| 230 | batadv_netlink_notify_mesh(bat_priv); \ |
| 231 | \ |
Sven Eckelmann | 9c3bf08 | 2016-01-17 11:01:21 +0100 | [diff] [blame] | 232 | batadv_softif_vlan_put(vlan); \ |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 233 | return res; \ |
| 234 | } |
| 235 | |
| 236 | #define BATADV_ATTR_VLAN_SHOW_BOOL(_name) \ |
| 237 | ssize_t batadv_show_vlan_##_name(struct kobject *kobj, \ |
| 238 | struct attribute *attr, char *buff) \ |
| 239 | { \ |
| 240 | struct batadv_priv *bat_priv = batadv_vlan_kobj_to_batpriv(kobj);\ |
| 241 | struct batadv_softif_vlan *vlan = batadv_kobj_to_vlan(bat_priv, \ |
| 242 | kobj); \ |
| 243 | size_t res = sprintf(buff, "%s\n", \ |
| 244 | atomic_read(&vlan->_name) == 0 ? \ |
| 245 | "disabled" : "enabled"); \ |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 246 | \ |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 247 | batadv_sysfs_deprecated(attr); \ |
Sven Eckelmann | 9c3bf08 | 2016-01-17 11:01:21 +0100 | [diff] [blame] | 248 | batadv_softif_vlan_put(vlan); \ |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 249 | return res; \ |
| 250 | } |
| 251 | |
| 252 | /* Use this, if you are going to turn a [name] in the vlan struct on or off */ |
| 253 | #define BATADV_ATTR_VLAN_BOOL(_name, _mode, _post_func) \ |
| 254 | static BATADV_ATTR_VLAN_STORE_BOOL(_name, _post_func) \ |
| 255 | static BATADV_ATTR_VLAN_SHOW_BOOL(_name) \ |
| 256 | static BATADV_ATTR_VLAN(_name, _mode, batadv_show_vlan_##_name, \ |
| 257 | batadv_store_vlan_##_name) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 258 | |
Linus Luessing | 0744ff8 | 2016-01-16 16:40:08 +0800 | [diff] [blame] | 259 | #define BATADV_ATTR_HIF_STORE_UINT(_name, _var, _min, _max, _post_func) \ |
| 260 | ssize_t batadv_store_##_name(struct kobject *kobj, \ |
| 261 | struct attribute *attr, char *buff, \ |
| 262 | size_t count) \ |
| 263 | { \ |
| 264 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ |
| 265 | struct batadv_hard_iface *hard_iface; \ |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 266 | struct batadv_priv *bat_priv; \ |
Linus Luessing | 0744ff8 | 2016-01-16 16:40:08 +0800 | [diff] [blame] | 267 | ssize_t length; \ |
| 268 | \ |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 269 | batadv_sysfs_deprecated(attr); \ |
Linus Luessing | 0744ff8 | 2016-01-16 16:40:08 +0800 | [diff] [blame] | 270 | hard_iface = batadv_hardif_get_by_netdev(net_dev); \ |
| 271 | if (!hard_iface) \ |
| 272 | return 0; \ |
| 273 | \ |
| 274 | length = __batadv_store_uint_attr(buff, count, _min, _max, \ |
| 275 | _post_func, attr, \ |
Sven Eckelmann | a25bab9 | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 276 | &hard_iface->_var, \ |
| 277 | hard_iface->soft_iface, \ |
| 278 | net_dev); \ |
Linus Luessing | 0744ff8 | 2016-01-16 16:40:08 +0800 | [diff] [blame] | 279 | \ |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 280 | if (hard_iface->soft_iface) { \ |
| 281 | bat_priv = netdev_priv(hard_iface->soft_iface); \ |
| 282 | batadv_netlink_notify_hardif(bat_priv, hard_iface); \ |
| 283 | } \ |
| 284 | \ |
Linus Luessing | 0744ff8 | 2016-01-16 16:40:08 +0800 | [diff] [blame] | 285 | batadv_hardif_put(hard_iface); \ |
| 286 | return length; \ |
| 287 | } |
| 288 | |
| 289 | #define BATADV_ATTR_HIF_SHOW_UINT(_name, _var) \ |
| 290 | ssize_t batadv_show_##_name(struct kobject *kobj, \ |
| 291 | struct attribute *attr, char *buff) \ |
| 292 | { \ |
| 293 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ |
| 294 | struct batadv_hard_iface *hard_iface; \ |
| 295 | ssize_t length; \ |
| 296 | \ |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 297 | batadv_sysfs_deprecated(attr); \ |
Linus Luessing | 0744ff8 | 2016-01-16 16:40:08 +0800 | [diff] [blame] | 298 | hard_iface = batadv_hardif_get_by_netdev(net_dev); \ |
| 299 | if (!hard_iface) \ |
| 300 | return 0; \ |
| 301 | \ |
| 302 | length = sprintf(buff, "%i\n", atomic_read(&hard_iface->_var)); \ |
| 303 | \ |
| 304 | batadv_hardif_put(hard_iface); \ |
| 305 | return length; \ |
| 306 | } |
| 307 | |
| 308 | /* Use this, if you are going to set [name] in hard_iface to an |
| 309 | * unsigned integer value |
| 310 | */ |
| 311 | #define BATADV_ATTR_HIF_UINT(_name, _var, _mode, _min, _max, _post_func)\ |
| 312 | static BATADV_ATTR_HIF_STORE_UINT(_name, _var, _min, \ |
| 313 | _max, _post_func) \ |
| 314 | static BATADV_ATTR_HIF_SHOW_UINT(_name, _var) \ |
| 315 | static BATADV_ATTR(_name, _mode, batadv_show_##_name, \ |
| 316 | batadv_store_##_name) |
| 317 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 318 | static int batadv_store_bool_attr(char *buff, size_t count, |
| 319 | struct net_device *net_dev, |
Simon Wunderlich | 9e728e8 | 2015-11-17 14:11:26 +0100 | [diff] [blame] | 320 | const char *attr_name, atomic_t *attr, |
| 321 | bool *changed) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 322 | { |
| 323 | int enabled = -1; |
| 324 | |
Simon Wunderlich | 9e728e8 | 2015-11-17 14:11:26 +0100 | [diff] [blame] | 325 | *changed = false; |
| 326 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 327 | if (buff[count - 1] == '\n') |
| 328 | buff[count - 1] = '\0'; |
| 329 | |
| 330 | if ((strncmp(buff, "1", 2) == 0) || |
| 331 | (strncmp(buff, "enable", 7) == 0) || |
| 332 | (strncmp(buff, "enabled", 8) == 0)) |
| 333 | enabled = 1; |
| 334 | |
| 335 | if ((strncmp(buff, "0", 2) == 0) || |
| 336 | (strncmp(buff, "disable", 8) == 0) || |
| 337 | (strncmp(buff, "disabled", 9) == 0)) |
| 338 | enabled = 0; |
| 339 | |
| 340 | if (enabled < 0) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 341 | batadv_info(net_dev, "%s: Invalid parameter received: %s\n", |
| 342 | attr_name, buff); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 343 | return -EINVAL; |
| 344 | } |
| 345 | |
| 346 | if (atomic_read(attr) == enabled) |
| 347 | return count; |
| 348 | |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 349 | batadv_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name, |
| 350 | atomic_read(attr) == 1 ? "enabled" : "disabled", |
| 351 | enabled == 1 ? "enabled" : "disabled"); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 352 | |
Simon Wunderlich | 9e728e8 | 2015-11-17 14:11:26 +0100 | [diff] [blame] | 353 | *changed = true; |
| 354 | |
Eric Dumazet | 95c9617 | 2012-04-15 05:58:06 +0000 | [diff] [blame] | 355 | atomic_set(attr, (unsigned int)enabled); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 356 | return count; |
| 357 | } |
| 358 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 359 | static inline ssize_t |
| 360 | __batadv_store_bool_attr(char *buff, size_t count, |
| 361 | void (*post_func)(struct net_device *), |
| 362 | struct attribute *attr, |
| 363 | atomic_t *attr_store, struct net_device *net_dev) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 364 | { |
Simon Wunderlich | 9e728e8 | 2015-11-17 14:11:26 +0100 | [diff] [blame] | 365 | bool changed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 366 | int ret; |
| 367 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 368 | ret = batadv_store_bool_attr(buff, count, net_dev, attr->name, |
Simon Wunderlich | 9e728e8 | 2015-11-17 14:11:26 +0100 | [diff] [blame] | 369 | attr_store, &changed); |
| 370 | if (post_func && changed) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 371 | post_func(net_dev); |
| 372 | |
| 373 | return ret; |
| 374 | } |
| 375 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 376 | static int batadv_store_uint_attr(const char *buff, size_t count, |
| 377 | struct net_device *net_dev, |
Sven Eckelmann | a25bab9 | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 378 | struct net_device *slave_dev, |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 379 | const char *attr_name, |
| 380 | unsigned int min, unsigned int max, |
| 381 | atomic_t *attr) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 382 | { |
Sven Eckelmann | a25bab9 | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 383 | char ifname[IFNAMSIZ + 3] = ""; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 384 | unsigned long uint_val; |
| 385 | int ret; |
| 386 | |
Sven Eckelmann | 25a92b1 | 2011-09-30 13:32:01 +0200 | [diff] [blame] | 387 | ret = kstrtoul(buff, 10, &uint_val); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 388 | if (ret) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 389 | batadv_info(net_dev, "%s: Invalid parameter received: %s\n", |
| 390 | attr_name, buff); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 391 | return -EINVAL; |
| 392 | } |
| 393 | |
| 394 | if (uint_val < min) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 395 | batadv_info(net_dev, "%s: Value is too small: %lu min: %u\n", |
| 396 | attr_name, uint_val, min); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 397 | return -EINVAL; |
| 398 | } |
| 399 | |
| 400 | if (uint_val > max) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 401 | batadv_info(net_dev, "%s: Value is too big: %lu max: %u\n", |
| 402 | attr_name, uint_val, max); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 403 | return -EINVAL; |
| 404 | } |
| 405 | |
| 406 | if (atomic_read(attr) == uint_val) |
| 407 | return count; |
| 408 | |
Sven Eckelmann | a25bab9 | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 409 | if (slave_dev) |
| 410 | snprintf(ifname, sizeof(ifname), "%s: ", slave_dev->name); |
| 411 | |
| 412 | batadv_info(net_dev, "%s: %sChanging from: %i to: %lu\n", |
| 413 | attr_name, ifname, atomic_read(attr), uint_val); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 414 | |
| 415 | atomic_set(attr, uint_val); |
| 416 | return count; |
| 417 | } |
| 418 | |
Antonio Quartulli | c149ca7 | 2016-05-06 02:46:37 +0800 | [diff] [blame] | 419 | static ssize_t __batadv_store_uint_attr(const char *buff, size_t count, |
| 420 | int min, int max, |
| 421 | void (*post_func)(struct net_device *), |
| 422 | const struct attribute *attr, |
| 423 | atomic_t *attr_store, |
Sven Eckelmann | a25bab9 | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 424 | struct net_device *net_dev, |
| 425 | struct net_device *slave_dev) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 426 | { |
| 427 | int ret; |
| 428 | |
Sven Eckelmann | a25bab9 | 2018-08-31 16:56:29 +0200 | [diff] [blame] | 429 | ret = batadv_store_uint_attr(buff, count, net_dev, slave_dev, |
| 430 | attr->name, min, max, attr_store); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 431 | if (post_func && ret) |
| 432 | post_func(net_dev); |
| 433 | |
| 434 | return ret; |
| 435 | } |
| 436 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 437 | static ssize_t batadv_show_bat_algo(struct kobject *kobj, |
| 438 | struct attribute *attr, char *buff) |
Marek Lindner | ea3d2fd | 2011-11-29 00:15:37 +0800 | [diff] [blame] | 439 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 440 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 441 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 442 | batadv_sysfs_deprecated(attr); |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 443 | return sprintf(buff, "%s\n", bat_priv->algo_ops->name); |
Marek Lindner | ea3d2fd | 2011-11-29 00:15:37 +0800 | [diff] [blame] | 444 | } |
| 445 | |
Antonio Quartulli | 4e820e7 | 2013-11-04 20:59:41 +0100 | [diff] [blame] | 446 | static void batadv_post_gw_reselect(struct net_device *net_dev) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 447 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 448 | struct batadv_priv *bat_priv = netdev_priv(net_dev); |
Antonio Quartulli | f138694 | 2014-05-10 18:56:37 +0200 | [diff] [blame] | 449 | |
Antonio Quartulli | 4e820e7 | 2013-11-04 20:59:41 +0100 | [diff] [blame] | 450 | batadv_gw_reselect(bat_priv); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 451 | } |
| 452 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 453 | static ssize_t batadv_show_gw_mode(struct kobject *kobj, struct attribute *attr, |
| 454 | char *buff) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 455 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 456 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 457 | int bytes_written; |
| 458 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 459 | batadv_sysfs_deprecated(attr); |
| 460 | |
Antonio Quartulli | a8d8d1d | 2016-07-03 12:46:35 +0200 | [diff] [blame] | 461 | /* GW mode is not available if the routing algorithm in use does not |
| 462 | * implement the GW API |
| 463 | */ |
| 464 | if (!bat_priv->algo_ops->gw.get_best_gw_node || |
| 465 | !bat_priv->algo_ops->gw.is_eligible) |
| 466 | return -ENOENT; |
| 467 | |
Antonio Quartulli | 3a24a63 | 2016-05-06 02:46:38 +0800 | [diff] [blame] | 468 | switch (atomic_read(&bat_priv->gw.mode)) { |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 469 | case BATADV_GW_MODE_CLIENT: |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 470 | bytes_written = sprintf(buff, "%s\n", |
| 471 | BATADV_GW_MODE_CLIENT_NAME); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 472 | break; |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 473 | case BATADV_GW_MODE_SERVER: |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 474 | bytes_written = sprintf(buff, "%s\n", |
| 475 | BATADV_GW_MODE_SERVER_NAME); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 476 | break; |
| 477 | default: |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 478 | bytes_written = sprintf(buff, "%s\n", |
| 479 | BATADV_GW_MODE_OFF_NAME); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 480 | break; |
| 481 | } |
| 482 | |
| 483 | return bytes_written; |
| 484 | } |
| 485 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 486 | static ssize_t batadv_store_gw_mode(struct kobject *kobj, |
| 487 | struct attribute *attr, char *buff, |
| 488 | size_t count) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 489 | { |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 490 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 491 | struct batadv_priv *bat_priv = netdev_priv(net_dev); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 492 | char *curr_gw_mode_str; |
| 493 | int gw_mode_tmp = -1; |
| 494 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 495 | batadv_sysfs_deprecated(attr); |
| 496 | |
Antonio Quartulli | a8d8d1d | 2016-07-03 12:46:35 +0200 | [diff] [blame] | 497 | /* toggling GW mode is allowed only if the routing algorithm in use |
| 498 | * provides the GW API |
| 499 | */ |
| 500 | if (!bat_priv->algo_ops->gw.get_best_gw_node || |
| 501 | !bat_priv->algo_ops->gw.is_eligible) |
| 502 | return -EINVAL; |
| 503 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 504 | if (buff[count - 1] == '\n') |
| 505 | buff[count - 1] = '\0'; |
| 506 | |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 507 | if (strncmp(buff, BATADV_GW_MODE_OFF_NAME, |
| 508 | strlen(BATADV_GW_MODE_OFF_NAME)) == 0) |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 509 | gw_mode_tmp = BATADV_GW_MODE_OFF; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 510 | |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 511 | if (strncmp(buff, BATADV_GW_MODE_CLIENT_NAME, |
| 512 | strlen(BATADV_GW_MODE_CLIENT_NAME)) == 0) |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 513 | gw_mode_tmp = BATADV_GW_MODE_CLIENT; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 514 | |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 515 | if (strncmp(buff, BATADV_GW_MODE_SERVER_NAME, |
| 516 | strlen(BATADV_GW_MODE_SERVER_NAME)) == 0) |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 517 | gw_mode_tmp = BATADV_GW_MODE_SERVER; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 518 | |
| 519 | if (gw_mode_tmp < 0) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 520 | batadv_info(net_dev, |
| 521 | "Invalid parameter for 'gw mode' setting received: %s\n", |
| 522 | buff); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 523 | return -EINVAL; |
| 524 | } |
| 525 | |
Antonio Quartulli | 3a24a63 | 2016-05-06 02:46:38 +0800 | [diff] [blame] | 526 | if (atomic_read(&bat_priv->gw.mode) == gw_mode_tmp) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 527 | return count; |
| 528 | |
Antonio Quartulli | 3a24a63 | 2016-05-06 02:46:38 +0800 | [diff] [blame] | 529 | switch (atomic_read(&bat_priv->gw.mode)) { |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 530 | case BATADV_GW_MODE_CLIENT: |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 531 | curr_gw_mode_str = BATADV_GW_MODE_CLIENT_NAME; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 532 | break; |
Sven Eckelmann | cd646ab | 2012-06-03 22:19:18 +0200 | [diff] [blame] | 533 | case BATADV_GW_MODE_SERVER: |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 534 | curr_gw_mode_str = BATADV_GW_MODE_SERVER_NAME; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 535 | break; |
| 536 | default: |
Sven Eckelmann | 97ea4ba | 2012-06-03 22:19:11 +0200 | [diff] [blame] | 537 | curr_gw_mode_str = BATADV_GW_MODE_OFF_NAME; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 538 | break; |
| 539 | } |
| 540 | |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 541 | batadv_info(net_dev, "Changing gw mode from: %s to: %s\n", |
| 542 | curr_gw_mode_str, buff); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 543 | |
Antonio Quartulli | f316318 | 2013-11-04 20:59:40 +0100 | [diff] [blame] | 544 | /* Invoking batadv_gw_reselect() is not enough to really de-select the |
| 545 | * current GW. It will only instruct the gateway client code to perform |
| 546 | * a re-election the next time that this is needed. |
| 547 | * |
| 548 | * When gw client mode is being switched off the current GW must be |
| 549 | * de-selected explicitly otherwise no GW_ADD uevent is thrown on |
| 550 | * client mode re-activation. This is operation is performed in |
| 551 | * batadv_gw_check_client_stop(). |
| 552 | */ |
Antonio Quartulli | 4e820e7 | 2013-11-04 20:59:41 +0100 | [diff] [blame] | 553 | batadv_gw_reselect(bat_priv); |
Antonio Quartulli | c6eaa3f | 2013-07-13 00:06:00 +0200 | [diff] [blame] | 554 | /* always call batadv_gw_check_client_stop() before changing the gateway |
| 555 | * state |
| 556 | */ |
| 557 | batadv_gw_check_client_stop(bat_priv); |
Antonio Quartulli | 3a24a63 | 2016-05-06 02:46:38 +0800 | [diff] [blame] | 558 | atomic_set(&bat_priv->gw.mode, (unsigned int)gw_mode_tmp); |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 559 | batadv_gw_tvlv_container_update(bat_priv); |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 560 | |
| 561 | batadv_netlink_notify_mesh(bat_priv); |
| 562 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 563 | return count; |
| 564 | } |
| 565 | |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 566 | static ssize_t batadv_show_gw_sel_class(struct kobject *kobj, |
| 567 | struct attribute *attr, char *buff) |
| 568 | { |
| 569 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
| 570 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 571 | batadv_sysfs_deprecated(attr); |
| 572 | |
Antonio Quartulli | a8d8d1d | 2016-07-03 12:46:35 +0200 | [diff] [blame] | 573 | /* GW selection class is not available if the routing algorithm in use |
| 574 | * does not implement the GW API |
| 575 | */ |
| 576 | if (!bat_priv->algo_ops->gw.get_best_gw_node || |
| 577 | !bat_priv->algo_ops->gw.is_eligible) |
| 578 | return -ENOENT; |
| 579 | |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 580 | if (bat_priv->algo_ops->gw.show_sel_class) |
| 581 | return bat_priv->algo_ops->gw.show_sel_class(bat_priv, buff); |
| 582 | |
| 583 | return sprintf(buff, "%i\n", atomic_read(&bat_priv->gw.sel_class)); |
| 584 | } |
| 585 | |
| 586 | static ssize_t batadv_store_gw_sel_class(struct kobject *kobj, |
| 587 | struct attribute *attr, char *buff, |
| 588 | size_t count) |
| 589 | { |
| 590 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 591 | ssize_t length; |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 592 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 593 | batadv_sysfs_deprecated(attr); |
| 594 | |
Antonio Quartulli | a8d8d1d | 2016-07-03 12:46:35 +0200 | [diff] [blame] | 595 | /* setting the GW selection class is allowed only if the routing |
| 596 | * algorithm in use implements the GW API |
| 597 | */ |
| 598 | if (!bat_priv->algo_ops->gw.get_best_gw_node || |
| 599 | !bat_priv->algo_ops->gw.is_eligible) |
| 600 | return -EINVAL; |
| 601 | |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 602 | if (buff[count - 1] == '\n') |
| 603 | buff[count - 1] = '\0'; |
| 604 | |
| 605 | if (bat_priv->algo_ops->gw.store_sel_class) |
| 606 | return bat_priv->algo_ops->gw.store_sel_class(bat_priv, buff, |
| 607 | count); |
| 608 | |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 609 | length = __batadv_store_uint_attr(buff, count, 1, BATADV_TQ_MAX_VALUE, |
| 610 | batadv_post_gw_reselect, attr, |
| 611 | &bat_priv->gw.sel_class, |
| 612 | bat_priv->soft_iface, NULL); |
| 613 | |
| 614 | batadv_netlink_notify_mesh(bat_priv); |
| 615 | |
| 616 | return length; |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 617 | } |
| 618 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 619 | static ssize_t batadv_show_gw_bwidth(struct kobject *kobj, |
| 620 | struct attribute *attr, char *buff) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 621 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 622 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 623 | u32 down, up; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 624 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 625 | batadv_sysfs_deprecated(attr); |
| 626 | |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 627 | down = atomic_read(&bat_priv->gw.bandwidth_down); |
| 628 | up = atomic_read(&bat_priv->gw.bandwidth_up); |
| 629 | |
| 630 | return sprintf(buff, "%u.%u/%u.%u MBit\n", down / 10, |
| 631 | down % 10, up / 10, up % 10); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 632 | } |
| 633 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 634 | static ssize_t batadv_store_gw_bwidth(struct kobject *kobj, |
| 635 | struct attribute *attr, char *buff, |
| 636 | size_t count) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 637 | { |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 638 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 639 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 640 | ssize_t length; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 641 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 642 | batadv_sysfs_deprecated(attr); |
| 643 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 644 | if (buff[count - 1] == '\n') |
| 645 | buff[count - 1] = '\0'; |
| 646 | |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 647 | length = batadv_gw_bandwidth_set(net_dev, buff, count); |
| 648 | |
| 649 | batadv_netlink_notify_mesh(bat_priv); |
| 650 | |
| 651 | return length; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 652 | } |
| 653 | |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 654 | /** |
Sven Eckelmann | 7e9a8c2 | 2017-12-02 19:51:47 +0100 | [diff] [blame] | 655 | * batadv_show_isolation_mark() - print the current isolation mark/mask |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 656 | * @kobj: kobject representing the private mesh sysfs directory |
| 657 | * @attr: the batman-adv attribute the user is interacting with |
| 658 | * @buff: the buffer that will contain the data to send back to the user |
| 659 | * |
Sven Eckelmann | 62fe710 | 2015-09-15 19:00:48 +0200 | [diff] [blame] | 660 | * 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] | 661 | * error code in case of failure |
| 662 | */ |
| 663 | static ssize_t batadv_show_isolation_mark(struct kobject *kobj, |
| 664 | struct attribute *attr, char *buff) |
| 665 | { |
| 666 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
| 667 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 668 | batadv_sysfs_deprecated(attr); |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 669 | return sprintf(buff, "%#.8x/%#.8x\n", bat_priv->isolation_mark, |
| 670 | bat_priv->isolation_mark_mask); |
| 671 | } |
| 672 | |
| 673 | /** |
Sven Eckelmann | 7e9a8c2 | 2017-12-02 19:51:47 +0100 | [diff] [blame] | 674 | * batadv_store_isolation_mark() - parse and store the isolation mark/mask |
| 675 | * entered by the user |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 676 | * @kobj: kobject representing the private mesh sysfs directory |
| 677 | * @attr: the batman-adv attribute the user is interacting with |
| 678 | * @buff: the buffer containing the user data |
| 679 | * @count: number of bytes in the buffer |
| 680 | * |
Sven Eckelmann | 62fe710 | 2015-09-15 19:00:48 +0200 | [diff] [blame] | 681 | * 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] | 682 | */ |
| 683 | static ssize_t batadv_store_isolation_mark(struct kobject *kobj, |
| 684 | struct attribute *attr, char *buff, |
| 685 | size_t count) |
| 686 | { |
| 687 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
| 688 | struct batadv_priv *bat_priv = netdev_priv(net_dev); |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 689 | u32 mark, mask; |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 690 | char *mask_ptr; |
| 691 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 692 | batadv_sysfs_deprecated(attr); |
| 693 | |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 694 | /* parse the mask if it has been specified, otherwise assume the mask is |
| 695 | * the biggest possible |
| 696 | */ |
| 697 | mask = 0xFFFFFFFF; |
| 698 | mask_ptr = strchr(buff, '/'); |
| 699 | if (mask_ptr) { |
| 700 | *mask_ptr = '\0'; |
| 701 | mask_ptr++; |
| 702 | |
| 703 | /* the mask must be entered in hex base as it is going to be a |
| 704 | * bitmask and not a prefix length |
| 705 | */ |
| 706 | if (kstrtou32(mask_ptr, 16, &mask) < 0) |
| 707 | return -EINVAL; |
| 708 | } |
| 709 | |
| 710 | /* the mark can be entered in any base */ |
| 711 | if (kstrtou32(buff, 0, &mark) < 0) |
| 712 | return -EINVAL; |
| 713 | |
| 714 | bat_priv->isolation_mark_mask = mask; |
| 715 | /* erase bits not covered by the mask */ |
| 716 | bat_priv->isolation_mark = mark & bat_priv->isolation_mark_mask; |
| 717 | |
| 718 | batadv_info(net_dev, |
| 719 | "New skb mark for extended isolation: %#.8x/%#.8x\n", |
| 720 | bat_priv->isolation_mark, bat_priv->isolation_mark_mask); |
| 721 | |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 722 | batadv_netlink_notify_mesh(bat_priv); |
| 723 | |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 724 | return count; |
| 725 | } |
| 726 | |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 727 | BATADV_ATTR_SIF_BOOL(aggregated_ogms, 0644, NULL); |
| 728 | BATADV_ATTR_SIF_BOOL(bonding, 0644, NULL); |
Simon Wunderlich | 7a5cc24 | 2012-01-22 20:00:27 +0100 | [diff] [blame] | 729 | #ifdef CONFIG_BATMAN_ADV_BLA |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 730 | BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance, 0644, batadv_bla_status_update); |
Simon Wunderlich | 7a5cc24 | 2012-01-22 20:00:27 +0100 | [diff] [blame] | 731 | #endif |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 732 | #ifdef CONFIG_BATMAN_ADV_DAT |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 733 | BATADV_ATTR_SIF_BOOL(distributed_arp_table, 0644, batadv_dat_status_update); |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 734 | #endif |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 735 | BATADV_ATTR_SIF_BOOL(fragmentation, 0644, batadv_update_min_mtu); |
| 736 | static BATADV_ATTR(routing_algo, 0444, batadv_show_bat_algo, NULL); |
| 737 | static BATADV_ATTR(gw_mode, 0644, batadv_show_gw_mode, batadv_store_gw_mode); |
| 738 | BATADV_ATTR_SIF_UINT(orig_interval, orig_interval, 0644, 2 * BATADV_JITTER, |
| 739 | INT_MAX, NULL); |
| 740 | BATADV_ATTR_SIF_UINT(hop_penalty, hop_penalty, 0644, 0, BATADV_TQ_MAX_VALUE, |
| 741 | NULL); |
| 742 | static BATADV_ATTR(gw_sel_class, 0644, batadv_show_gw_sel_class, |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 743 | batadv_store_gw_sel_class); |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 744 | static BATADV_ATTR(gw_bandwidth, 0644, batadv_show_gw_bwidth, |
Sven Eckelmann | 347c80f0 | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 745 | batadv_store_gw_bwidth); |
Linus Lüssing | 1d8ab8d | 2014-02-15 17:47:52 +0100 | [diff] [blame] | 746 | #ifdef CONFIG_BATMAN_ADV_MCAST |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 747 | BATADV_ATTR_SIF_BOOL(multicast_mode, 0644, NULL); |
Linus Lüssing | 1d8ab8d | 2014-02-15 17:47:52 +0100 | [diff] [blame] | 748 | #endif |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 749 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 750 | BATADV_ATTR_SIF_UINT(log_level, log_level, 0644, 0, BATADV_DBG_ALL, NULL); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 751 | #endif |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 752 | #ifdef CONFIG_BATMAN_ADV_NC |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 753 | BATADV_ATTR_SIF_BOOL(network_coding, 0644, batadv_nc_status_update); |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 754 | #endif |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 755 | static BATADV_ATTR(isolation_mark, 0644, batadv_show_isolation_mark, |
| 756 | batadv_store_isolation_mark); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 757 | |
Sven Eckelmann | b4d66b8 | 2012-06-05 22:31:29 +0200 | [diff] [blame] | 758 | static struct batadv_attribute *batadv_mesh_attrs[] = { |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 759 | &batadv_attr_aggregated_ogms, |
| 760 | &batadv_attr_bonding, |
Simon Wunderlich | 7a5cc24 | 2012-01-22 20:00:27 +0100 | [diff] [blame] | 761 | #ifdef CONFIG_BATMAN_ADV_BLA |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 762 | &batadv_attr_bridge_loop_avoidance, |
Simon Wunderlich | 7a5cc24 | 2012-01-22 20:00:27 +0100 | [diff] [blame] | 763 | #endif |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 764 | #ifdef CONFIG_BATMAN_ADV_DAT |
| 765 | &batadv_attr_distributed_arp_table, |
| 766 | #endif |
Linus Lüssing | 1d8ab8d | 2014-02-15 17:47:52 +0100 | [diff] [blame] | 767 | #ifdef CONFIG_BATMAN_ADV_MCAST |
| 768 | &batadv_attr_multicast_mode, |
| 769 | #endif |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 770 | &batadv_attr_fragmentation, |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 771 | &batadv_attr_routing_algo, |
| 772 | &batadv_attr_gw_mode, |
| 773 | &batadv_attr_orig_interval, |
| 774 | &batadv_attr_hop_penalty, |
| 775 | &batadv_attr_gw_sel_class, |
| 776 | &batadv_attr_gw_bandwidth, |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 777 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 778 | &batadv_attr_log_level, |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 779 | #endif |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 780 | #ifdef CONFIG_BATMAN_ADV_NC |
| 781 | &batadv_attr_network_coding, |
| 782 | #endif |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 783 | &batadv_attr_isolation_mark, |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 784 | NULL, |
| 785 | }; |
| 786 | |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 787 | BATADV_ATTR_VLAN_BOOL(ap_isolation, 0644, NULL); |
Antonio Quartulli | b8cbd81 | 2013-07-02 11:04:36 +0200 | [diff] [blame] | 788 | |
Sven Eckelmann | f34ac9d | 2015-09-06 21:38:53 +0200 | [diff] [blame] | 789 | /* array of vlan specific sysfs attributes */ |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 790 | static struct batadv_attribute *batadv_vlan_attrs[] = { |
Antonio Quartulli | b8cbd81 | 2013-07-02 11:04:36 +0200 | [diff] [blame] | 791 | &batadv_attr_vlan_ap_isolation, |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 792 | NULL, |
| 793 | }; |
| 794 | |
Sven Eckelmann | ff15c27 | 2017-12-02 19:51:53 +0100 | [diff] [blame] | 795 | /** |
| 796 | * batadv_sysfs_add_meshif() - Add soft interface specific sysfs entries |
| 797 | * @dev: netdev struct of the soft interface |
| 798 | * |
| 799 | * Return: 0 on success or negative error number in case of failure |
| 800 | */ |
Sven Eckelmann | 5853e22 | 2012-05-12 02:09:24 +0200 | [diff] [blame] | 801 | int batadv_sysfs_add_meshif(struct net_device *dev) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 802 | { |
| 803 | struct kobject *batif_kobject = &dev->dev.kobj; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 804 | struct batadv_priv *bat_priv = netdev_priv(dev); |
Sven Eckelmann | b4d66b8 | 2012-06-05 22:31:29 +0200 | [diff] [blame] | 805 | struct batadv_attribute **bat_attr; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 806 | int err; |
| 807 | |
Sven Eckelmann | 036cbfe | 2012-06-03 22:19:09 +0200 | [diff] [blame] | 808 | 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] | 809 | batif_kobject); |
| 810 | if (!bat_priv->mesh_obj) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 811 | 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] | 812 | BATADV_SYSFS_IF_MESH_SUBDIR); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 813 | goto out; |
| 814 | } |
| 815 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 816 | for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 817 | err = sysfs_create_file(bat_priv->mesh_obj, |
| 818 | &((*bat_attr)->attr)); |
| 819 | if (err) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 820 | batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n", |
Sven Eckelmann | 036cbfe | 2012-06-03 22:19:09 +0200 | [diff] [blame] | 821 | dev->name, BATADV_SYSFS_IF_MESH_SUBDIR, |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 822 | ((*bat_attr)->attr).name); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 823 | goto rem_attr; |
| 824 | } |
| 825 | } |
| 826 | |
| 827 | return 0; |
| 828 | |
| 829 | rem_attr: |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 830 | for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 831 | sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); |
| 832 | |
Sven Eckelmann | f4acb10 | 2016-06-13 07:41:32 +0200 | [diff] [blame] | 833 | kobject_uevent(bat_priv->mesh_obj, KOBJ_REMOVE); |
| 834 | kobject_del(bat_priv->mesh_obj); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 835 | kobject_put(bat_priv->mesh_obj); |
| 836 | bat_priv->mesh_obj = NULL; |
| 837 | out: |
| 838 | return -ENOMEM; |
| 839 | } |
| 840 | |
Sven Eckelmann | ff15c27 | 2017-12-02 19:51:53 +0100 | [diff] [blame] | 841 | /** |
| 842 | * batadv_sysfs_del_meshif() - Remove soft interface specific sysfs entries |
| 843 | * @dev: netdev struct of the soft interface |
| 844 | */ |
Sven Eckelmann | 5853e22 | 2012-05-12 02:09:24 +0200 | [diff] [blame] | 845 | void batadv_sysfs_del_meshif(struct net_device *dev) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 846 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 847 | struct batadv_priv *bat_priv = netdev_priv(dev); |
Sven Eckelmann | b4d66b8 | 2012-06-05 22:31:29 +0200 | [diff] [blame] | 848 | struct batadv_attribute **bat_attr; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 849 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 850 | for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 851 | sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); |
| 852 | |
Sven Eckelmann | f4acb10 | 2016-06-13 07:41:32 +0200 | [diff] [blame] | 853 | kobject_uevent(bat_priv->mesh_obj, KOBJ_REMOVE); |
| 854 | kobject_del(bat_priv->mesh_obj); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 855 | kobject_put(bat_priv->mesh_obj); |
| 856 | bat_priv->mesh_obj = NULL; |
| 857 | } |
| 858 | |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 859 | /** |
Sven Eckelmann | 7e9a8c2 | 2017-12-02 19:51:47 +0100 | [diff] [blame] | 860 | * batadv_sysfs_add_vlan() - add all the needed sysfs objects for the new vlan |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 861 | * @dev: netdev of the mesh interface |
| 862 | * @vlan: private data of the newly added VLAN interface |
| 863 | * |
Sven Eckelmann | 62fe710 | 2015-09-15 19:00:48 +0200 | [diff] [blame] | 864 | * 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] | 865 | */ |
| 866 | int batadv_sysfs_add_vlan(struct net_device *dev, |
| 867 | struct batadv_softif_vlan *vlan) |
| 868 | { |
| 869 | char vlan_subdir[sizeof(BATADV_SYSFS_VLAN_SUBDIR_PREFIX) + 5]; |
| 870 | struct batadv_priv *bat_priv = netdev_priv(dev); |
| 871 | struct batadv_attribute **bat_attr; |
| 872 | int err; |
| 873 | |
| 874 | if (vlan->vid & BATADV_VLAN_HAS_TAG) { |
| 875 | sprintf(vlan_subdir, BATADV_SYSFS_VLAN_SUBDIR_PREFIX "%hu", |
| 876 | vlan->vid & VLAN_VID_MASK); |
| 877 | |
| 878 | vlan->kobj = kobject_create_and_add(vlan_subdir, |
| 879 | bat_priv->mesh_obj); |
| 880 | if (!vlan->kobj) { |
| 881 | batadv_err(dev, "Can't add sysfs directory: %s/%s\n", |
| 882 | dev->name, vlan_subdir); |
| 883 | goto out; |
| 884 | } |
| 885 | } else { |
| 886 | /* the untagged LAN uses the root folder to store its "VLAN |
| 887 | * specific attributes" |
| 888 | */ |
| 889 | vlan->kobj = bat_priv->mesh_obj; |
| 890 | kobject_get(bat_priv->mesh_obj); |
| 891 | } |
| 892 | |
| 893 | for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr) { |
| 894 | err = sysfs_create_file(vlan->kobj, |
| 895 | &((*bat_attr)->attr)); |
| 896 | if (err) { |
| 897 | batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n", |
| 898 | dev->name, vlan_subdir, |
| 899 | ((*bat_attr)->attr).name); |
| 900 | goto rem_attr; |
| 901 | } |
| 902 | } |
| 903 | |
| 904 | return 0; |
| 905 | |
| 906 | rem_attr: |
| 907 | for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr) |
| 908 | sysfs_remove_file(vlan->kobj, &((*bat_attr)->attr)); |
| 909 | |
Sven Eckelmann | f4acb10 | 2016-06-13 07:41:32 +0200 | [diff] [blame] | 910 | if (vlan->kobj != bat_priv->mesh_obj) { |
| 911 | kobject_uevent(vlan->kobj, KOBJ_REMOVE); |
| 912 | kobject_del(vlan->kobj); |
| 913 | } |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 914 | kobject_put(vlan->kobj); |
| 915 | vlan->kobj = NULL; |
| 916 | out: |
| 917 | return -ENOMEM; |
| 918 | } |
| 919 | |
| 920 | /** |
Sven Eckelmann | 7e9a8c2 | 2017-12-02 19:51:47 +0100 | [diff] [blame] | 921 | * batadv_sysfs_del_vlan() - remove all the sysfs objects for a given VLAN |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 922 | * @bat_priv: the bat priv with all the soft interface information |
| 923 | * @vlan: the private data of the VLAN to destroy |
| 924 | */ |
| 925 | void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv, |
| 926 | struct batadv_softif_vlan *vlan) |
| 927 | { |
| 928 | struct batadv_attribute **bat_attr; |
| 929 | |
| 930 | for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr) |
| 931 | sysfs_remove_file(vlan->kobj, &((*bat_attr)->attr)); |
| 932 | |
Sven Eckelmann | f4acb10 | 2016-06-13 07:41:32 +0200 | [diff] [blame] | 933 | if (vlan->kobj != bat_priv->mesh_obj) { |
| 934 | kobject_uevent(vlan->kobj, KOBJ_REMOVE); |
| 935 | kobject_del(vlan->kobj); |
| 936 | } |
Antonio Quartulli | 90f4435 | 2013-07-02 11:04:35 +0200 | [diff] [blame] | 937 | kobject_put(vlan->kobj); |
| 938 | vlan->kobj = NULL; |
| 939 | } |
| 940 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 941 | static ssize_t batadv_show_mesh_iface(struct kobject *kobj, |
| 942 | struct attribute *attr, char *buff) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 943 | { |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 944 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 945 | struct batadv_hard_iface *hard_iface; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 946 | ssize_t length; |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 947 | const char *ifname; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 948 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 949 | batadv_sysfs_deprecated(attr); |
| 950 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 951 | hard_iface = batadv_hardif_get_by_netdev(net_dev); |
Marek Lindner | e6c10f4 | 2011-02-18 12:33:20 +0000 | [diff] [blame] | 952 | if (!hard_iface) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 953 | return 0; |
| 954 | |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 955 | if (hard_iface->if_status == BATADV_IF_NOT_IN_USE) |
| 956 | ifname = "none"; |
| 957 | else |
| 958 | ifname = hard_iface->soft_iface->name; |
| 959 | |
| 960 | length = sprintf(buff, "%s\n", ifname); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 961 | |
Sven Eckelmann | 82047ad | 2016-01-17 11:01:10 +0100 | [diff] [blame] | 962 | batadv_hardif_put(hard_iface); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 963 | |
| 964 | return length; |
| 965 | } |
| 966 | |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 967 | /** |
Sven Eckelmann | 7e9a8c2 | 2017-12-02 19:51:47 +0100 | [diff] [blame] | 968 | * batadv_store_mesh_iface_finish() - store new hardif mesh_iface state |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 969 | * @net_dev: netdevice to add/remove to/from batman-adv soft-interface |
| 970 | * @ifname: name of soft-interface to modify |
| 971 | * |
| 972 | * Changes the parts of the hard+soft interface which can not be modified under |
| 973 | * sysfs lock (to prevent deadlock situations). |
| 974 | * |
| 975 | * Return: 0 on success, 0 < on failure |
| 976 | */ |
| 977 | static int batadv_store_mesh_iface_finish(struct net_device *net_dev, |
| 978 | char ifname[IFNAMSIZ]) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 979 | { |
Andrew Lunn | 2cd45a0 | 2016-04-21 12:57:27 +0200 | [diff] [blame] | 980 | struct net *net = dev_net(net_dev); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 981 | struct batadv_hard_iface *hard_iface; |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 982 | int status_tmp; |
| 983 | int ret = 0; |
| 984 | |
| 985 | ASSERT_RTNL(); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 986 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 987 | hard_iface = batadv_hardif_get_by_netdev(net_dev); |
Marek Lindner | e6c10f4 | 2011-02-18 12:33:20 +0000 | [diff] [blame] | 988 | if (!hard_iface) |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 989 | return 0; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 990 | |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 991 | if (strncmp(ifname, "none", 4) == 0) |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 992 | status_tmp = BATADV_IF_NOT_IN_USE; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 993 | else |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 994 | status_tmp = BATADV_IF_I_WANT_YOU; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 995 | |
Marek Lindner | e6c10f4 | 2011-02-18 12:33:20 +0000 | [diff] [blame] | 996 | if (hard_iface->if_status == status_tmp) |
| 997 | goto out; |
| 998 | |
Sven Eckelmann | 825ffe1 | 2017-08-23 21:52:13 +0200 | [diff] [blame] | 999 | if (hard_iface->soft_iface && |
| 1000 | strncmp(hard_iface->soft_iface->name, ifname, IFNAMSIZ) == 0) |
Marek Lindner | ed75ccb | 2011-02-10 14:33:51 +0000 | [diff] [blame] | 1001 | goto out; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1002 | |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 1003 | if (status_tmp == BATADV_IF_NOT_IN_USE) { |
Sven Eckelmann | a15fd36 | 2013-02-11 17:10:24 +0800 | [diff] [blame] | 1004 | batadv_hardif_disable_interface(hard_iface, |
| 1005 | BATADV_IF_CLEANUP_AUTO); |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 1006 | goto out; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1007 | } |
| 1008 | |
Sven Eckelmann | 3a4375a | 2011-05-03 13:10:06 +0200 | [diff] [blame] | 1009 | /* if the interface already is in use */ |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 1010 | if (hard_iface->if_status != BATADV_IF_NOT_IN_USE) |
Sven Eckelmann | a15fd36 | 2013-02-11 17:10:24 +0800 | [diff] [blame] | 1011 | batadv_hardif_disable_interface(hard_iface, |
| 1012 | BATADV_IF_CLEANUP_AUTO); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1013 | |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 1014 | ret = batadv_hardif_enable_interface(hard_iface, net, ifname); |
Marek Lindner | ed75ccb | 2011-02-10 14:33:51 +0000 | [diff] [blame] | 1015 | out: |
Sven Eckelmann | 82047ad | 2016-01-17 11:01:10 +0100 | [diff] [blame] | 1016 | batadv_hardif_put(hard_iface); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1017 | return ret; |
| 1018 | } |
| 1019 | |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 1020 | /** |
Sven Eckelmann | 7e9a8c2 | 2017-12-02 19:51:47 +0100 | [diff] [blame] | 1021 | * batadv_store_mesh_iface_work() - store new hardif mesh_iface state |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 1022 | * @work: work queue item |
| 1023 | * |
| 1024 | * Changes the parts of the hard+soft interface which can not be modified under |
| 1025 | * sysfs lock (to prevent deadlock situations). |
| 1026 | */ |
| 1027 | static void batadv_store_mesh_iface_work(struct work_struct *work) |
| 1028 | { |
| 1029 | struct batadv_store_mesh_work *store_work; |
| 1030 | int ret; |
| 1031 | |
| 1032 | store_work = container_of(work, struct batadv_store_mesh_work, work); |
| 1033 | |
| 1034 | rtnl_lock(); |
| 1035 | ret = batadv_store_mesh_iface_finish(store_work->net_dev, |
| 1036 | store_work->soft_iface_name); |
| 1037 | rtnl_unlock(); |
| 1038 | |
| 1039 | if (ret < 0) |
| 1040 | pr_err("Failed to store new mesh_iface state %s for %s: %d\n", |
| 1041 | store_work->soft_iface_name, store_work->net_dev->name, |
| 1042 | ret); |
| 1043 | |
| 1044 | dev_put(store_work->net_dev); |
| 1045 | kfree(store_work); |
| 1046 | } |
| 1047 | |
| 1048 | static ssize_t batadv_store_mesh_iface(struct kobject *kobj, |
| 1049 | struct attribute *attr, char *buff, |
| 1050 | size_t count) |
| 1051 | { |
| 1052 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
| 1053 | struct batadv_store_mesh_work *store_work; |
| 1054 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 1055 | batadv_sysfs_deprecated(attr); |
| 1056 | |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 1057 | if (buff[count - 1] == '\n') |
| 1058 | buff[count - 1] = '\0'; |
| 1059 | |
| 1060 | if (strlen(buff) >= IFNAMSIZ) { |
| 1061 | pr_err("Invalid parameter for 'mesh_iface' setting received: interface name too long '%s'\n", |
| 1062 | buff); |
| 1063 | return -EINVAL; |
| 1064 | } |
| 1065 | |
| 1066 | store_work = kmalloc(sizeof(*store_work), GFP_KERNEL); |
| 1067 | if (!store_work) |
| 1068 | return -ENOMEM; |
| 1069 | |
| 1070 | dev_hold(net_dev); |
| 1071 | INIT_WORK(&store_work->work, batadv_store_mesh_iface_work); |
| 1072 | store_work->net_dev = net_dev; |
Sven Eckelmann | 529a8f9 | 2019-07-06 14:56:13 +0200 | [diff] [blame] | 1073 | strscpy(store_work->soft_iface_name, buff, |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 1074 | sizeof(store_work->soft_iface_name)); |
| 1075 | |
| 1076 | queue_work(batadv_event_workqueue, &store_work->work); |
| 1077 | |
| 1078 | return count; |
| 1079 | } |
| 1080 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 1081 | static ssize_t batadv_show_iface_status(struct kobject *kobj, |
| 1082 | struct attribute *attr, char *buff) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1083 | { |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 1084 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1085 | struct batadv_hard_iface *hard_iface; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1086 | ssize_t length; |
| 1087 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 1088 | batadv_sysfs_deprecated(attr); |
| 1089 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1090 | hard_iface = batadv_hardif_get_by_netdev(net_dev); |
Marek Lindner | e6c10f4 | 2011-02-18 12:33:20 +0000 | [diff] [blame] | 1091 | if (!hard_iface) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1092 | return 0; |
| 1093 | |
Marek Lindner | e6c10f4 | 2011-02-18 12:33:20 +0000 | [diff] [blame] | 1094 | switch (hard_iface->if_status) { |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 1095 | case BATADV_IF_TO_BE_REMOVED: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1096 | length = sprintf(buff, "disabling\n"); |
| 1097 | break; |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 1098 | case BATADV_IF_INACTIVE: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1099 | length = sprintf(buff, "inactive\n"); |
| 1100 | break; |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 1101 | case BATADV_IF_ACTIVE: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1102 | length = sprintf(buff, "active\n"); |
| 1103 | break; |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 1104 | case BATADV_IF_TO_BE_ACTIVATED: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1105 | length = sprintf(buff, "enabling\n"); |
| 1106 | break; |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 1107 | case BATADV_IF_NOT_IN_USE: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1108 | default: |
| 1109 | length = sprintf(buff, "not in use\n"); |
| 1110 | break; |
| 1111 | } |
| 1112 | |
Sven Eckelmann | 82047ad | 2016-01-17 11:01:10 +0100 | [diff] [blame] | 1113 | batadv_hardif_put(hard_iface); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1114 | |
| 1115 | return length; |
| 1116 | } |
| 1117 | |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 1118 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
| 1119 | |
| 1120 | /** |
Sven Eckelmann | 7e9a8c2 | 2017-12-02 19:51:47 +0100 | [diff] [blame] | 1121 | * batadv_store_throughput_override() - parse and store throughput override |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 1122 | * entered by the user |
| 1123 | * @kobj: kobject representing the private mesh sysfs directory |
| 1124 | * @attr: the batman-adv attribute the user is interacting with |
| 1125 | * @buff: the buffer containing the user data |
| 1126 | * @count: number of bytes in the buffer |
| 1127 | * |
| 1128 | * Return: 'count' on success or a negative error code in case of failure |
| 1129 | */ |
| 1130 | static ssize_t batadv_store_throughput_override(struct kobject *kobj, |
| 1131 | struct attribute *attr, |
| 1132 | char *buff, size_t count) |
| 1133 | { |
| 1134 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
| 1135 | struct batadv_hard_iface *hard_iface; |
Sven Eckelmann | 438b3d3 | 2019-03-03 19:25:26 +0100 | [diff] [blame] | 1136 | struct batadv_priv *bat_priv; |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 1137 | u32 tp_override; |
| 1138 | u32 old_tp_override; |
| 1139 | bool ret; |
| 1140 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 1141 | batadv_sysfs_deprecated(attr); |
| 1142 | |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 1143 | hard_iface = batadv_hardif_get_by_netdev(net_dev); |
| 1144 | if (!hard_iface) |
| 1145 | return -EINVAL; |
| 1146 | |
| 1147 | if (buff[count - 1] == '\n') |
| 1148 | buff[count - 1] = '\0'; |
| 1149 | |
| 1150 | ret = batadv_parse_throughput(net_dev, buff, "throughput_override", |
| 1151 | &tp_override); |
| 1152 | if (!ret) |
| 1153 | return count; |
| 1154 | |
| 1155 | old_tp_override = atomic_read(&hard_iface->bat_v.throughput_override); |
| 1156 | if (old_tp_override == tp_override) |
| 1157 | goto out; |
| 1158 | |
Sven Eckelmann | b9fd14c | 2018-08-31 16:46:47 +0200 | [diff] [blame] | 1159 | batadv_info(hard_iface->soft_iface, |
| 1160 | "%s: %s: Changing from: %u.%u MBit to: %u.%u MBit\n", |
| 1161 | "throughput_override", net_dev->name, |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 1162 | old_tp_override / 10, old_tp_override % 10, |
| 1163 | tp_override / 10, tp_override % 10); |
| 1164 | |
| 1165 | atomic_set(&hard_iface->bat_v.throughput_override, tp_override); |
| 1166 | |
Sven Eckelmann | 438b3d3 | 2019-03-03 19:25:26 +0100 | [diff] [blame] | 1167 | if (hard_iface->soft_iface) { |
| 1168 | bat_priv = netdev_priv(hard_iface->soft_iface); |
| 1169 | batadv_netlink_notify_hardif(bat_priv, hard_iface); |
| 1170 | } |
Sven Eckelmann | 7e6f461 | 2018-11-23 16:07:12 +0100 | [diff] [blame] | 1171 | |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 1172 | out: |
| 1173 | batadv_hardif_put(hard_iface); |
| 1174 | return count; |
| 1175 | } |
| 1176 | |
| 1177 | static ssize_t batadv_show_throughput_override(struct kobject *kobj, |
| 1178 | struct attribute *attr, |
| 1179 | char *buff) |
| 1180 | { |
| 1181 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
| 1182 | struct batadv_hard_iface *hard_iface; |
| 1183 | u32 tp_override; |
| 1184 | |
Sven Eckelmann | 1392f55 | 2019-03-03 18:02:59 +0100 | [diff] [blame] | 1185 | batadv_sysfs_deprecated(attr); |
| 1186 | |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 1187 | hard_iface = batadv_hardif_get_by_netdev(net_dev); |
| 1188 | if (!hard_iface) |
| 1189 | return -EINVAL; |
| 1190 | |
| 1191 | tp_override = atomic_read(&hard_iface->bat_v.throughput_override); |
| 1192 | |
| 1193 | return sprintf(buff, "%u.%u MBit\n", tp_override / 10, |
| 1194 | tp_override % 10); |
| 1195 | } |
| 1196 | |
| 1197 | #endif |
| 1198 | |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 1199 | static BATADV_ATTR(mesh_iface, 0644, batadv_show_mesh_iface, |
Sven Eckelmann | 347c80f0 | 2012-06-03 22:19:07 +0200 | [diff] [blame] | 1200 | batadv_store_mesh_iface); |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 1201 | static BATADV_ATTR(iface_status, 0444, batadv_show_iface_status, NULL); |
Linus Luessing | 7f136cd | 2016-01-16 16:40:11 +0800 | [diff] [blame] | 1202 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 1203 | BATADV_ATTR_HIF_UINT(elp_interval, bat_v.elp_interval, 0644, |
Linus Luessing | 7f136cd | 2016-01-16 16:40:11 +0800 | [diff] [blame] | 1204 | 2 * BATADV_JITTER, INT_MAX, NULL); |
Sven Eckelmann | 507b37c | 2016-09-01 10:25:12 +0200 | [diff] [blame] | 1205 | static BATADV_ATTR(throughput_override, 0644, batadv_show_throughput_override, |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 1206 | batadv_store_throughput_override); |
Linus Luessing | 7f136cd | 2016-01-16 16:40:11 +0800 | [diff] [blame] | 1207 | #endif |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1208 | |
Sven Eckelmann | b4d66b8 | 2012-06-05 22:31:29 +0200 | [diff] [blame] | 1209 | static struct batadv_attribute *batadv_batman_attrs[] = { |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 1210 | &batadv_attr_mesh_iface, |
| 1211 | &batadv_attr_iface_status, |
Linus Luessing | 7f136cd | 2016-01-16 16:40:11 +0800 | [diff] [blame] | 1212 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
| 1213 | &batadv_attr_elp_interval, |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 1214 | &batadv_attr_throughput_override, |
Linus Luessing | 7f136cd | 2016-01-16 16:40:11 +0800 | [diff] [blame] | 1215 | #endif |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1216 | NULL, |
| 1217 | }; |
| 1218 | |
Sven Eckelmann | ff15c27 | 2017-12-02 19:51:53 +0100 | [diff] [blame] | 1219 | /** |
| 1220 | * batadv_sysfs_add_hardif() - Add hard interface specific sysfs entries |
| 1221 | * @hardif_obj: address where to store the pointer to new sysfs folder |
| 1222 | * @dev: netdev struct of the hard interface |
| 1223 | * |
| 1224 | * Return: 0 on success or negative error number in case of failure |
| 1225 | */ |
Sven Eckelmann | 5853e22 | 2012-05-12 02:09:24 +0200 | [diff] [blame] | 1226 | 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] | 1227 | { |
| 1228 | struct kobject *hardif_kobject = &dev->dev.kobj; |
Sven Eckelmann | b4d66b8 | 2012-06-05 22:31:29 +0200 | [diff] [blame] | 1229 | struct batadv_attribute **bat_attr; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1230 | int err; |
| 1231 | |
Sven Eckelmann | 036cbfe | 2012-06-03 22:19:09 +0200 | [diff] [blame] | 1232 | *hardif_obj = kobject_create_and_add(BATADV_SYSFS_IF_BAT_SUBDIR, |
| 1233 | hardif_kobject); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1234 | |
| 1235 | if (!*hardif_obj) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 1236 | 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] | 1237 | BATADV_SYSFS_IF_BAT_SUBDIR); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1238 | goto out; |
| 1239 | } |
| 1240 | |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 1241 | for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr) { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1242 | err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr)); |
| 1243 | if (err) { |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 1244 | batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n", |
Sven Eckelmann | 036cbfe | 2012-06-03 22:19:09 +0200 | [diff] [blame] | 1245 | dev->name, BATADV_SYSFS_IF_BAT_SUBDIR, |
Sven Eckelmann | 3e34819 | 2012-05-16 20:23:22 +0200 | [diff] [blame] | 1246 | ((*bat_attr)->attr).name); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1247 | goto rem_attr; |
| 1248 | } |
| 1249 | } |
| 1250 | |
| 1251 | return 0; |
| 1252 | |
| 1253 | rem_attr: |
Sven Eckelmann | 0ff9b86 | 2012-05-12 18:33:52 +0200 | [diff] [blame] | 1254 | for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1255 | sysfs_remove_file(*hardif_obj, &((*bat_attr)->attr)); |
| 1256 | out: |
| 1257 | return -ENOMEM; |
| 1258 | } |
| 1259 | |
Sven Eckelmann | ff15c27 | 2017-12-02 19:51:53 +0100 | [diff] [blame] | 1260 | /** |
| 1261 | * batadv_sysfs_del_hardif() - Remove hard interface specific sysfs entries |
| 1262 | * @hardif_obj: address to the pointer to which stores batman-adv sysfs folder |
| 1263 | * of the hard interface |
| 1264 | */ |
Sven Eckelmann | 5853e22 | 2012-05-12 02:09:24 +0200 | [diff] [blame] | 1265 | void batadv_sysfs_del_hardif(struct kobject **hardif_obj) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1266 | { |
Sven Eckelmann | f4acb10 | 2016-06-13 07:41:32 +0200 | [diff] [blame] | 1267 | kobject_uevent(*hardif_obj, KOBJ_REMOVE); |
| 1268 | kobject_del(*hardif_obj); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1269 | kobject_put(*hardif_obj); |
| 1270 | *hardif_obj = NULL; |
| 1271 | } |