^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* Copyright (C) 2010-2020 B.A.T.M.A.N. contributors:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Marek Lindner
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include "sysfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include "main.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <asm/current.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/atomic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/compiler.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/gfp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/if.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/if_vlan.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/kobject.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/kref.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/limits.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/printk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/rculist.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/rcupdate.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/rtnetlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/stddef.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <linux/stringify.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <uapi/linux/batadv_packet.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <uapi/linux/batman_adv.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include "bridge_loop_avoidance.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include "distributed-arp-table.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include "gateway_client.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include "gateway_common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include "hard-interface.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #include "log.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include "netlink.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #include "network-coding.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #include "soft-interface.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * batadv_sysfs_deprecated() - Log use of deprecated batadv sysfs access
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * @attr: attribute which was accessed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static void batadv_sysfs_deprecated(struct attribute *attr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) pr_warn_ratelimited(DEPRECATED "%s (pid %d) Use of sysfs file \"%s\".\nUse batadv genl family instead",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) current->comm, task_pid_nr(current), attr->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static struct net_device *batadv_kobj_to_netdev(struct kobject *obj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct device *dev = container_of(obj->parent, struct device, kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) return to_net_dev(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static struct batadv_priv *batadv_kobj_to_batpriv(struct kobject *obj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct net_device *net_dev = batadv_kobj_to_netdev(obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return netdev_priv(net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * batadv_vlan_kobj_to_batpriv() - convert a vlan kobj in the associated batpriv
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) * @obj: kobject to covert
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * Return: the associated batadv_priv struct.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) static struct batadv_priv *batadv_vlan_kobj_to_batpriv(struct kobject *obj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) /* VLAN specific attributes are located in the root sysfs folder if they
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * refer to the untagged VLAN..
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (!strcmp(BATADV_SYSFS_IF_MESH_SUBDIR, obj->name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) return batadv_kobj_to_batpriv(obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) /* ..while the attributes for the tagged vlans are located in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) * the in the corresponding "vlan%VID" subfolder
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) return batadv_kobj_to_batpriv(obj->parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) * batadv_kobj_to_vlan() - convert a kobj in the associated softif_vlan struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) * @bat_priv: the bat priv with all the soft interface information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * @obj: kobject to covert
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) * Return: the associated softif_vlan struct if found, NULL otherwise.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) static struct batadv_softif_vlan *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) batadv_kobj_to_vlan(struct batadv_priv *bat_priv, struct kobject *obj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct batadv_softif_vlan *vlan_tmp, *vlan = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) hlist_for_each_entry_rcu(vlan_tmp, &bat_priv->softif_vlan_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) if (vlan_tmp->kobj != obj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) if (!kref_get_unless_zero(&vlan_tmp->refcount))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) vlan = vlan_tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) return vlan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) /* Use this, if you have customized show and store functions for vlan attrs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) #define BATADV_ATTR_VLAN(_name, _mode, _show, _store) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct batadv_attribute batadv_attr_vlan_##_name = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) .attr = {.name = __stringify(_name), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) .mode = _mode }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) .show = _show, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .store = _store, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) /* Use this, if you have customized show and store functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) #define BATADV_ATTR(_name, _mode, _show, _store) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct batadv_attribute batadv_attr_##_name = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) .attr = {.name = __stringify(_name), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) .mode = _mode }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) .show = _show, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .store = _store, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) #define BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) ssize_t batadv_store_##_name(struct kobject *kobj, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct attribute *attr, char *buff, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) size_t count) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) struct batadv_priv *bat_priv = netdev_priv(net_dev); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) ssize_t length; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) batadv_sysfs_deprecated(attr); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) length = __batadv_store_bool_attr(buff, count, _post_func, attr,\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) &bat_priv->_name, net_dev); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) batadv_netlink_notify_mesh(bat_priv); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) return length; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) #define BATADV_ATTR_SIF_SHOW_BOOL(_name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) ssize_t batadv_show_##_name(struct kobject *kobj, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) struct attribute *attr, char *buff) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) batadv_sysfs_deprecated(attr); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return sprintf(buff, "%s\n", \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) atomic_read(&bat_priv->_name) == 0 ? \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) "disabled" : "enabled"); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) /* Use this, if you are going to turn a [name] in the soft-interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) * (bat_priv) on or off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) #define BATADV_ATTR_SIF_BOOL(_name, _mode, _post_func) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) static BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static BATADV_ATTR_SIF_SHOW_BOOL(_name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) static BATADV_ATTR(_name, _mode, batadv_show_##_name, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) batadv_store_##_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) #define BATADV_ATTR_SIF_STORE_UINT(_name, _var, _min, _max, _post_func) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) ssize_t batadv_store_##_name(struct kobject *kobj, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct attribute *attr, char *buff, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) size_t count) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) struct batadv_priv *bat_priv = netdev_priv(net_dev); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) ssize_t length; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) batadv_sysfs_deprecated(attr); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) length = __batadv_store_uint_attr(buff, count, _min, _max, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) _post_func, attr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) &bat_priv->_var, net_dev, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) NULL); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) batadv_netlink_notify_mesh(bat_priv); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) return length; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) #define BATADV_ATTR_SIF_SHOW_UINT(_name, _var) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) ssize_t batadv_show_##_name(struct kobject *kobj, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) struct attribute *attr, char *buff) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) batadv_sysfs_deprecated(attr); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) return sprintf(buff, "%i\n", atomic_read(&bat_priv->_var)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) /* Use this, if you are going to set [name] in the soft-interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) * (bat_priv) to an unsigned integer value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) #define BATADV_ATTR_SIF_UINT(_name, _var, _mode, _min, _max, _post_func)\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) static BATADV_ATTR_SIF_STORE_UINT(_name, _var, _min, _max, _post_func)\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) static BATADV_ATTR_SIF_SHOW_UINT(_name, _var) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) static BATADV_ATTR(_name, _mode, batadv_show_##_name, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) batadv_store_##_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) #define BATADV_ATTR_VLAN_STORE_BOOL(_name, _post_func) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) ssize_t batadv_store_vlan_##_name(struct kobject *kobj, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) struct attribute *attr, char *buff, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) size_t count) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) struct batadv_priv *bat_priv = batadv_vlan_kobj_to_batpriv(kobj);\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) struct batadv_softif_vlan *vlan = batadv_kobj_to_vlan(bat_priv, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) kobj); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) size_t res = __batadv_store_bool_attr(buff, count, _post_func, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) attr, &vlan->_name, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) bat_priv->soft_iface); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) batadv_sysfs_deprecated(attr); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) if (vlan->vid) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) batadv_netlink_notify_vlan(bat_priv, vlan); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) else \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) batadv_netlink_notify_mesh(bat_priv); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) batadv_softif_vlan_put(vlan); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) return res; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) #define BATADV_ATTR_VLAN_SHOW_BOOL(_name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) ssize_t batadv_show_vlan_##_name(struct kobject *kobj, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) struct attribute *attr, char *buff) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) struct batadv_priv *bat_priv = batadv_vlan_kobj_to_batpriv(kobj);\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) struct batadv_softif_vlan *vlan = batadv_kobj_to_vlan(bat_priv, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) kobj); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) size_t res = sprintf(buff, "%s\n", \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) atomic_read(&vlan->_name) == 0 ? \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) "disabled" : "enabled"); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) batadv_sysfs_deprecated(attr); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) batadv_softif_vlan_put(vlan); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) return res; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) /* Use this, if you are going to turn a [name] in the vlan struct on or off */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) #define BATADV_ATTR_VLAN_BOOL(_name, _mode, _post_func) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) static BATADV_ATTR_VLAN_STORE_BOOL(_name, _post_func) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) static BATADV_ATTR_VLAN_SHOW_BOOL(_name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) static BATADV_ATTR_VLAN(_name, _mode, batadv_show_vlan_##_name, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) batadv_store_vlan_##_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) #define BATADV_ATTR_HIF_STORE_UINT(_name, _var, _min, _max, _post_func) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) ssize_t batadv_store_##_name(struct kobject *kobj, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) struct attribute *attr, char *buff, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) size_t count) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) struct batadv_hard_iface *hard_iface; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) struct batadv_priv *bat_priv; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) ssize_t length; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) batadv_sysfs_deprecated(attr); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) hard_iface = batadv_hardif_get_by_netdev(net_dev); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) if (!hard_iface) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) return 0; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) length = __batadv_store_uint_attr(buff, count, _min, _max, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) _post_func, attr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) &hard_iface->_var, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) hard_iface->soft_iface, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) net_dev); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) if (hard_iface->soft_iface) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) bat_priv = netdev_priv(hard_iface->soft_iface); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) batadv_netlink_notify_hardif(bat_priv, hard_iface); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) batadv_hardif_put(hard_iface); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) return length; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) #define BATADV_ATTR_HIF_SHOW_UINT(_name, _var) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) ssize_t batadv_show_##_name(struct kobject *kobj, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) struct attribute *attr, char *buff) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) struct batadv_hard_iface *hard_iface; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) ssize_t length; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) batadv_sysfs_deprecated(attr); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) hard_iface = batadv_hardif_get_by_netdev(net_dev); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) if (!hard_iface) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) return 0; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) length = sprintf(buff, "%i\n", atomic_read(&hard_iface->_var)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) batadv_hardif_put(hard_iface); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) return length; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) /* Use this, if you are going to set [name] in hard_iface to an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) * unsigned integer value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) #define BATADV_ATTR_HIF_UINT(_name, _var, _mode, _min, _max, _post_func)\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) static BATADV_ATTR_HIF_STORE_UINT(_name, _var, _min, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) _max, _post_func) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) static BATADV_ATTR_HIF_SHOW_UINT(_name, _var) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) static BATADV_ATTR(_name, _mode, batadv_show_##_name, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) batadv_store_##_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) static int batadv_store_bool_attr(char *buff, size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) struct net_device *net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) const char *attr_name, atomic_t *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) bool *changed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) int enabled = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) *changed = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) if (buff[count - 1] == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) buff[count - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) if ((strncmp(buff, "1", 2) == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) (strncmp(buff, "enable", 7) == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) (strncmp(buff, "enabled", 8) == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) enabled = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) if ((strncmp(buff, "0", 2) == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) (strncmp(buff, "disable", 8) == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) (strncmp(buff, "disabled", 9) == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) enabled = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) if (enabled < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) batadv_info(net_dev, "%s: Invalid parameter received: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) attr_name, buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) if (atomic_read(attr) == enabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) batadv_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) atomic_read(attr) == 1 ? "enabled" : "disabled",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) enabled == 1 ? "enabled" : "disabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) *changed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) atomic_set(attr, (unsigned int)enabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) static inline ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) __batadv_store_bool_attr(char *buff, size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) void (*post_func)(struct net_device *),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) struct attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) atomic_t *attr_store, struct net_device *net_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) bool changed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) ret = batadv_store_bool_attr(buff, count, net_dev, attr->name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) attr_store, &changed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) if (post_func && changed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) post_func(net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) static int batadv_store_uint_attr(const char *buff, size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) struct net_device *net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) struct net_device *slave_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) const char *attr_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) unsigned int min, unsigned int max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) atomic_t *attr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) char ifname[IFNAMSIZ + 3] = "";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) unsigned long uint_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) ret = kstrtoul(buff, 10, &uint_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) batadv_info(net_dev, "%s: Invalid parameter received: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) attr_name, buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) if (uint_val < min) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) batadv_info(net_dev, "%s: Value is too small: %lu min: %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) attr_name, uint_val, min);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) if (uint_val > max) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) batadv_info(net_dev, "%s: Value is too big: %lu max: %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) attr_name, uint_val, max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) if (atomic_read(attr) == uint_val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) if (slave_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) snprintf(ifname, sizeof(ifname), "%s: ", slave_dev->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) batadv_info(net_dev, "%s: %sChanging from: %i to: %lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) attr_name, ifname, atomic_read(attr), uint_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) atomic_set(attr, uint_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) static ssize_t __batadv_store_uint_attr(const char *buff, size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) int min, int max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) void (*post_func)(struct net_device *),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) const struct attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) atomic_t *attr_store,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) struct net_device *net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) struct net_device *slave_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) ret = batadv_store_uint_attr(buff, count, net_dev, slave_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) attr->name, min, max, attr_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) if (post_func && ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) post_func(net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) static ssize_t batadv_show_bat_algo(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) struct attribute *attr, char *buff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) return sprintf(buff, "%s\n", bat_priv->algo_ops->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) static void batadv_post_gw_reselect(struct net_device *net_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) struct batadv_priv *bat_priv = netdev_priv(net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) batadv_gw_reselect(bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) static ssize_t batadv_show_gw_mode(struct kobject *kobj, struct attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) char *buff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) int bytes_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) /* GW mode is not available if the routing algorithm in use does not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) * implement the GW API
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) if (!bat_priv->algo_ops->gw.get_best_gw_node ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) !bat_priv->algo_ops->gw.is_eligible)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) return -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) switch (atomic_read(&bat_priv->gw.mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) case BATADV_GW_MODE_CLIENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) bytes_written = sprintf(buff, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) BATADV_GW_MODE_CLIENT_NAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) case BATADV_GW_MODE_SERVER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) bytes_written = sprintf(buff, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) BATADV_GW_MODE_SERVER_NAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) bytes_written = sprintf(buff, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) BATADV_GW_MODE_OFF_NAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) return bytes_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) static ssize_t batadv_store_gw_mode(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) struct attribute *attr, char *buff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) struct batadv_priv *bat_priv = netdev_priv(net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) char *curr_gw_mode_str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) int gw_mode_tmp = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) /* toggling GW mode is allowed only if the routing algorithm in use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) * provides the GW API
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) if (!bat_priv->algo_ops->gw.get_best_gw_node ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) !bat_priv->algo_ops->gw.is_eligible)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) if (buff[count - 1] == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) buff[count - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) if (strncmp(buff, BATADV_GW_MODE_OFF_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) strlen(BATADV_GW_MODE_OFF_NAME)) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) gw_mode_tmp = BATADV_GW_MODE_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) if (strncmp(buff, BATADV_GW_MODE_CLIENT_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) strlen(BATADV_GW_MODE_CLIENT_NAME)) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) gw_mode_tmp = BATADV_GW_MODE_CLIENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) if (strncmp(buff, BATADV_GW_MODE_SERVER_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) strlen(BATADV_GW_MODE_SERVER_NAME)) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) gw_mode_tmp = BATADV_GW_MODE_SERVER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) if (gw_mode_tmp < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) batadv_info(net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) "Invalid parameter for 'gw mode' setting received: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) if (atomic_read(&bat_priv->gw.mode) == gw_mode_tmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) switch (atomic_read(&bat_priv->gw.mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) case BATADV_GW_MODE_CLIENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) curr_gw_mode_str = BATADV_GW_MODE_CLIENT_NAME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) case BATADV_GW_MODE_SERVER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) curr_gw_mode_str = BATADV_GW_MODE_SERVER_NAME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) curr_gw_mode_str = BATADV_GW_MODE_OFF_NAME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) batadv_info(net_dev, "Changing gw mode from: %s to: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) curr_gw_mode_str, buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) /* Invoking batadv_gw_reselect() is not enough to really de-select the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) * current GW. It will only instruct the gateway client code to perform
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) * a re-election the next time that this is needed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) * When gw client mode is being switched off the current GW must be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) * de-selected explicitly otherwise no GW_ADD uevent is thrown on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) * client mode re-activation. This is operation is performed in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) * batadv_gw_check_client_stop().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) batadv_gw_reselect(bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) /* always call batadv_gw_check_client_stop() before changing the gateway
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) * state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) batadv_gw_check_client_stop(bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) atomic_set(&bat_priv->gw.mode, (unsigned int)gw_mode_tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) batadv_gw_tvlv_container_update(bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) batadv_netlink_notify_mesh(bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) static ssize_t batadv_show_gw_sel_class(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) struct attribute *attr, char *buff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) /* GW selection class is not available if the routing algorithm in use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) * does not implement the GW API
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) if (!bat_priv->algo_ops->gw.get_best_gw_node ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) !bat_priv->algo_ops->gw.is_eligible)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) return -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) if (bat_priv->algo_ops->gw.show_sel_class)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) return bat_priv->algo_ops->gw.show_sel_class(bat_priv, buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) return sprintf(buff, "%i\n", atomic_read(&bat_priv->gw.sel_class));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) static ssize_t batadv_store_gw_sel_class(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) struct attribute *attr, char *buff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) ssize_t length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) /* setting the GW selection class is allowed only if the routing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) * algorithm in use implements the GW API
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) if (!bat_priv->algo_ops->gw.get_best_gw_node ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) !bat_priv->algo_ops->gw.is_eligible)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) if (buff[count - 1] == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) buff[count - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) if (bat_priv->algo_ops->gw.store_sel_class)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) return bat_priv->algo_ops->gw.store_sel_class(bat_priv, buff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) length = __batadv_store_uint_attr(buff, count, 1, BATADV_TQ_MAX_VALUE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) batadv_post_gw_reselect, attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) &bat_priv->gw.sel_class,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) bat_priv->soft_iface, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) batadv_netlink_notify_mesh(bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) return length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) static ssize_t batadv_show_gw_bwidth(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) struct attribute *attr, char *buff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) u32 down, up;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) down = atomic_read(&bat_priv->gw.bandwidth_down);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) up = atomic_read(&bat_priv->gw.bandwidth_up);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) return sprintf(buff, "%u.%u/%u.%u MBit\n", down / 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) down % 10, up / 10, up % 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) static ssize_t batadv_store_gw_bwidth(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) struct attribute *attr, char *buff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) ssize_t length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) if (buff[count - 1] == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) buff[count - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) length = batadv_gw_bandwidth_set(net_dev, buff, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) batadv_netlink_notify_mesh(bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) return length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) * batadv_show_isolation_mark() - print the current isolation mark/mask
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) * @kobj: kobject representing the private mesh sysfs directory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) * @attr: the batman-adv attribute the user is interacting with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) * @buff: the buffer that will contain the data to send back to the user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) * Return: the number of bytes written into 'buff' on success or a negative
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) * error code in case of failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) static ssize_t batadv_show_isolation_mark(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) struct attribute *attr, char *buff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) return sprintf(buff, "%#.8x/%#.8x\n", bat_priv->isolation_mark,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) bat_priv->isolation_mark_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) * batadv_store_isolation_mark() - parse and store the isolation mark/mask
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) * entered by the user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) * @kobj: kobject representing the private mesh sysfs directory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) * @attr: the batman-adv attribute the user is interacting with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) * @buff: the buffer containing the user data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) * @count: number of bytes in the buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) * Return: 'count' on success or a negative error code in case of failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) static ssize_t batadv_store_isolation_mark(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) struct attribute *attr, char *buff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) struct batadv_priv *bat_priv = netdev_priv(net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) u32 mark, mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) char *mask_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) /* parse the mask if it has been specified, otherwise assume the mask is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) * the biggest possible
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) mask = 0xFFFFFFFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) mask_ptr = strchr(buff, '/');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) if (mask_ptr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) *mask_ptr = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) mask_ptr++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) /* the mask must be entered in hex base as it is going to be a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) * bitmask and not a prefix length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) if (kstrtou32(mask_ptr, 16, &mask) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) /* the mark can be entered in any base */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) if (kstrtou32(buff, 0, &mark) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) bat_priv->isolation_mark_mask = mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) /* erase bits not covered by the mask */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) bat_priv->isolation_mark = mark & bat_priv->isolation_mark_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) batadv_info(net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) "New skb mark for extended isolation: %#.8x/%#.8x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) bat_priv->isolation_mark, bat_priv->isolation_mark_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) batadv_netlink_notify_mesh(bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) BATADV_ATTR_SIF_BOOL(aggregated_ogms, 0644, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) BATADV_ATTR_SIF_BOOL(bonding, 0644, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) #ifdef CONFIG_BATMAN_ADV_BLA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance, 0644, batadv_bla_status_update);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) #ifdef CONFIG_BATMAN_ADV_DAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) BATADV_ATTR_SIF_BOOL(distributed_arp_table, 0644, batadv_dat_status_update);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) BATADV_ATTR_SIF_BOOL(fragmentation, 0644, batadv_update_min_mtu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) static BATADV_ATTR(routing_algo, 0444, batadv_show_bat_algo, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) static BATADV_ATTR(gw_mode, 0644, batadv_show_gw_mode, batadv_store_gw_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) BATADV_ATTR_SIF_UINT(orig_interval, orig_interval, 0644, 2 * BATADV_JITTER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) INT_MAX, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) BATADV_ATTR_SIF_UINT(hop_penalty, hop_penalty, 0644, 0, BATADV_TQ_MAX_VALUE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) static BATADV_ATTR(gw_sel_class, 0644, batadv_show_gw_sel_class,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) batadv_store_gw_sel_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) static BATADV_ATTR(gw_bandwidth, 0644, batadv_show_gw_bwidth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) batadv_store_gw_bwidth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) #ifdef CONFIG_BATMAN_ADV_MCAST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) BATADV_ATTR_SIF_BOOL(multicast_mode, 0644, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) #ifdef CONFIG_BATMAN_ADV_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) BATADV_ATTR_SIF_UINT(log_level, log_level, 0644, 0, BATADV_DBG_ALL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) #ifdef CONFIG_BATMAN_ADV_NC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) BATADV_ATTR_SIF_BOOL(network_coding, 0644, batadv_nc_status_update);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) static BATADV_ATTR(isolation_mark, 0644, batadv_show_isolation_mark,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) batadv_store_isolation_mark);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) static struct batadv_attribute *batadv_mesh_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) &batadv_attr_aggregated_ogms,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) &batadv_attr_bonding,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) #ifdef CONFIG_BATMAN_ADV_BLA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) &batadv_attr_bridge_loop_avoidance,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) #ifdef CONFIG_BATMAN_ADV_DAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) &batadv_attr_distributed_arp_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) #ifdef CONFIG_BATMAN_ADV_MCAST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) &batadv_attr_multicast_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) &batadv_attr_fragmentation,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) &batadv_attr_routing_algo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) &batadv_attr_gw_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) &batadv_attr_orig_interval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) &batadv_attr_hop_penalty,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) &batadv_attr_gw_sel_class,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) &batadv_attr_gw_bandwidth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) #ifdef CONFIG_BATMAN_ADV_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) &batadv_attr_log_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) #ifdef CONFIG_BATMAN_ADV_NC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) &batadv_attr_network_coding,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) &batadv_attr_isolation_mark,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) BATADV_ATTR_VLAN_BOOL(ap_isolation, 0644, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) /* array of vlan specific sysfs attributes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) static struct batadv_attribute *batadv_vlan_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) &batadv_attr_vlan_ap_isolation,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) * batadv_sysfs_add_meshif() - Add soft interface specific sysfs entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) * @dev: netdev struct of the soft interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) * Return: 0 on success or negative error number in case of failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) int batadv_sysfs_add_meshif(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) struct kobject *batif_kobject = &dev->dev.kobj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) struct batadv_priv *bat_priv = netdev_priv(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) struct batadv_attribute **bat_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) bat_priv->mesh_obj = kobject_create_and_add(BATADV_SYSFS_IF_MESH_SUBDIR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) batif_kobject);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) if (!bat_priv->mesh_obj) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) BATADV_SYSFS_IF_MESH_SUBDIR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) err = sysfs_create_file(bat_priv->mesh_obj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) &((*bat_attr)->attr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) dev->name, BATADV_SYSFS_IF_MESH_SUBDIR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) ((*bat_attr)->attr).name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) goto rem_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) rem_attr:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) kobject_uevent(bat_priv->mesh_obj, KOBJ_REMOVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) kobject_del(bat_priv->mesh_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) kobject_put(bat_priv->mesh_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) bat_priv->mesh_obj = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) * batadv_sysfs_del_meshif() - Remove soft interface specific sysfs entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) * @dev: netdev struct of the soft interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) void batadv_sysfs_del_meshif(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) struct batadv_priv *bat_priv = netdev_priv(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) struct batadv_attribute **bat_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) kobject_uevent(bat_priv->mesh_obj, KOBJ_REMOVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) kobject_del(bat_priv->mesh_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) kobject_put(bat_priv->mesh_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) bat_priv->mesh_obj = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) * batadv_sysfs_add_vlan() - add all the needed sysfs objects for the new vlan
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) * @dev: netdev of the mesh interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) * @vlan: private data of the newly added VLAN interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) * Return: 0 on success and -ENOMEM if any of the structure allocations fails.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) int batadv_sysfs_add_vlan(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) struct batadv_softif_vlan *vlan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) char vlan_subdir[sizeof(BATADV_SYSFS_VLAN_SUBDIR_PREFIX) + 5];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) struct batadv_priv *bat_priv = netdev_priv(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) struct batadv_attribute **bat_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) if (vlan->vid & BATADV_VLAN_HAS_TAG) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) sprintf(vlan_subdir, BATADV_SYSFS_VLAN_SUBDIR_PREFIX "%hu",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) vlan->vid & VLAN_VID_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) vlan->kobj = kobject_create_and_add(vlan_subdir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) bat_priv->mesh_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) if (!vlan->kobj) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) batadv_err(dev, "Can't add sysfs directory: %s/%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) dev->name, vlan_subdir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) /* the untagged LAN uses the root folder to store its "VLAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) * specific attributes"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) vlan->kobj = bat_priv->mesh_obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) kobject_get(bat_priv->mesh_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) err = sysfs_create_file(vlan->kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) &((*bat_attr)->attr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) dev->name, vlan_subdir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) ((*bat_attr)->attr).name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) goto rem_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) rem_attr:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) sysfs_remove_file(vlan->kobj, &((*bat_attr)->attr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) if (vlan->kobj != bat_priv->mesh_obj) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) kobject_uevent(vlan->kobj, KOBJ_REMOVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) kobject_del(vlan->kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) kobject_put(vlan->kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) vlan->kobj = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) * batadv_sysfs_del_vlan() - remove all the sysfs objects for a given VLAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) * @bat_priv: the bat priv with all the soft interface information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) * @vlan: the private data of the VLAN to destroy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) struct batadv_softif_vlan *vlan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) struct batadv_attribute **bat_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) sysfs_remove_file(vlan->kobj, &((*bat_attr)->attr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) if (vlan->kobj != bat_priv->mesh_obj) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) kobject_uevent(vlan->kobj, KOBJ_REMOVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) kobject_del(vlan->kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) kobject_put(vlan->kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) vlan->kobj = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) static ssize_t batadv_show_mesh_iface(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) struct attribute *attr, char *buff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) struct batadv_hard_iface *hard_iface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) ssize_t length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) const char *ifname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) hard_iface = batadv_hardif_get_by_netdev(net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) if (!hard_iface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) if (hard_iface->if_status == BATADV_IF_NOT_IN_USE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) ifname = "none";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) ifname = hard_iface->soft_iface->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) length = sprintf(buff, "%s\n", ifname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) batadv_hardif_put(hard_iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) return length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) * batadv_store_mesh_iface_finish() - store new hardif mesh_iface state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) * @net_dev: netdevice to add/remove to/from batman-adv soft-interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) * @ifname: name of soft-interface to modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) * Changes the parts of the hard+soft interface which can not be modified under
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) * sysfs lock (to prevent deadlock situations).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) * Return: 0 on success, 0 < on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) static int batadv_store_mesh_iface_finish(struct net_device *net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) char ifname[IFNAMSIZ])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) struct net *net = dev_net(net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) struct batadv_hard_iface *hard_iface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) int status_tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) hard_iface = batadv_hardif_get_by_netdev(net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) if (!hard_iface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) if (strncmp(ifname, "none", 4) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) status_tmp = BATADV_IF_NOT_IN_USE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) status_tmp = BATADV_IF_I_WANT_YOU;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) if (hard_iface->if_status == status_tmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) if (hard_iface->soft_iface &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) strncmp(hard_iface->soft_iface->name, ifname, IFNAMSIZ) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) if (status_tmp == BATADV_IF_NOT_IN_USE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) batadv_hardif_disable_interface(hard_iface,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) BATADV_IF_CLEANUP_AUTO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) /* if the interface already is in use */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) batadv_hardif_disable_interface(hard_iface,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) BATADV_IF_CLEANUP_AUTO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) ret = batadv_hardif_enable_interface(hard_iface, net, ifname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) batadv_hardif_put(hard_iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) * batadv_store_mesh_iface_work() - store new hardif mesh_iface state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) * @work: work queue item
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) * Changes the parts of the hard+soft interface which can not be modified under
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) * sysfs lock (to prevent deadlock situations).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) static void batadv_store_mesh_iface_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) struct batadv_store_mesh_work *store_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) store_work = container_of(work, struct batadv_store_mesh_work, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) rtnl_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) ret = batadv_store_mesh_iface_finish(store_work->net_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) store_work->soft_iface_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) rtnl_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) pr_err("Failed to store new mesh_iface state %s for %s: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) store_work->soft_iface_name, store_work->net_dev->name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) dev_put(store_work->net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) kfree(store_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) static ssize_t batadv_store_mesh_iface(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) struct attribute *attr, char *buff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) struct batadv_store_mesh_work *store_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) if (buff[count - 1] == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) buff[count - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) if (strlen(buff) >= IFNAMSIZ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) pr_err("Invalid parameter for 'mesh_iface' setting received: interface name too long '%s'\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) store_work = kmalloc(sizeof(*store_work), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) if (!store_work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) dev_hold(net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) INIT_WORK(&store_work->work, batadv_store_mesh_iface_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) store_work->net_dev = net_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) strscpy(store_work->soft_iface_name, buff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) sizeof(store_work->soft_iface_name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) queue_work(batadv_event_workqueue, &store_work->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) static ssize_t batadv_show_iface_status(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) struct attribute *attr, char *buff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) struct batadv_hard_iface *hard_iface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) ssize_t length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) hard_iface = batadv_hardif_get_by_netdev(net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) if (!hard_iface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) switch (hard_iface->if_status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) case BATADV_IF_TO_BE_REMOVED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) length = sprintf(buff, "disabling\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) case BATADV_IF_INACTIVE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) length = sprintf(buff, "inactive\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) case BATADV_IF_ACTIVE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) length = sprintf(buff, "active\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) case BATADV_IF_TO_BE_ACTIVATED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) length = sprintf(buff, "enabling\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) case BATADV_IF_NOT_IN_USE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) length = sprintf(buff, "not in use\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) batadv_hardif_put(hard_iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) return length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) #ifdef CONFIG_BATMAN_ADV_BATMAN_V
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) * batadv_store_throughput_override() - parse and store throughput override
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) * entered by the user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) * @kobj: kobject representing the private mesh sysfs directory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) * @attr: the batman-adv attribute the user is interacting with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) * @buff: the buffer containing the user data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) * @count: number of bytes in the buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) * Return: 'count' on success or a negative error code in case of failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) static ssize_t batadv_store_throughput_override(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) struct attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) char *buff, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) struct batadv_hard_iface *hard_iface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) struct batadv_priv *bat_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) u32 tp_override;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) u32 old_tp_override;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) bool ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) hard_iface = batadv_hardif_get_by_netdev(net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) if (!hard_iface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) if (buff[count - 1] == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) buff[count - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) ret = batadv_parse_throughput(net_dev, buff, "throughput_override",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) &tp_override);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) old_tp_override = atomic_read(&hard_iface->bat_v.throughput_override);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) if (old_tp_override == tp_override)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) batadv_info(hard_iface->soft_iface,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) "%s: %s: Changing from: %u.%u MBit to: %u.%u MBit\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) "throughput_override", net_dev->name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) old_tp_override / 10, old_tp_override % 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) tp_override / 10, tp_override % 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) atomic_set(&hard_iface->bat_v.throughput_override, tp_override);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) if (hard_iface->soft_iface) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) bat_priv = netdev_priv(hard_iface->soft_iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) batadv_netlink_notify_hardif(bat_priv, hard_iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) batadv_hardif_put(hard_iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) static ssize_t batadv_show_throughput_override(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) struct attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) char *buff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) struct batadv_hard_iface *hard_iface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) u32 tp_override;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) batadv_sysfs_deprecated(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) hard_iface = batadv_hardif_get_by_netdev(net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) if (!hard_iface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) tp_override = atomic_read(&hard_iface->bat_v.throughput_override);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) batadv_hardif_put(hard_iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) return sprintf(buff, "%u.%u MBit\n", tp_override / 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) tp_override % 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) static BATADV_ATTR(mesh_iface, 0644, batadv_show_mesh_iface,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) batadv_store_mesh_iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) static BATADV_ATTR(iface_status, 0444, batadv_show_iface_status, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) #ifdef CONFIG_BATMAN_ADV_BATMAN_V
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) BATADV_ATTR_HIF_UINT(elp_interval, bat_v.elp_interval, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) 2 * BATADV_JITTER, INT_MAX, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) static BATADV_ATTR(throughput_override, 0644, batadv_show_throughput_override,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) batadv_store_throughput_override);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) static struct batadv_attribute *batadv_batman_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) &batadv_attr_mesh_iface,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) &batadv_attr_iface_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) #ifdef CONFIG_BATMAN_ADV_BATMAN_V
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) &batadv_attr_elp_interval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) &batadv_attr_throughput_override,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) * batadv_sysfs_add_hardif() - Add hard interface specific sysfs entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) * @hardif_obj: address where to store the pointer to new sysfs folder
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) * @dev: netdev struct of the hard interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) * Return: 0 on success or negative error number in case of failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) struct kobject *hardif_kobject = &dev->dev.kobj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) struct batadv_attribute **bat_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) *hardif_obj = kobject_create_and_add(BATADV_SYSFS_IF_BAT_SUBDIR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) hardif_kobject);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) if (!*hardif_obj) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) BATADV_SYSFS_IF_BAT_SUBDIR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) dev->name, BATADV_SYSFS_IF_BAT_SUBDIR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) ((*bat_attr)->attr).name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) goto rem_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) rem_attr:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) sysfs_remove_file(*hardif_obj, &((*bat_attr)->attr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) * batadv_sysfs_del_hardif() - Remove hard interface specific sysfs entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) * @hardif_obj: address to the pointer to which stores batman-adv sysfs folder
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) * of the hard interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) void batadv_sysfs_del_hardif(struct kobject **hardif_obj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) kobject_uevent(*hardif_obj, KOBJ_REMOVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) kobject_del(*hardif_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) kobject_put(*hardif_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) *hardif_obj = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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