485 lines
14 KiB
C
485 lines
14 KiB
C
/*
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* Copyright (C) 2010 B.A.T.M.A.N. contributors:
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*
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* Marek Lindner
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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*
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*/
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#include "main.h"
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#include "bat_sysfs.h"
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#include "translation-table.h"
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#include "originator.h"
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#include "hard-interface.h"
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#include "vis.h"
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#define to_dev(obj) container_of(obj, struct device, kobj)
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struct bat_attribute {
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struct attribute attr;
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ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
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char *buf);
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ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
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char *buf, size_t count);
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};
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struct hardif_attribute {
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struct attribute attr;
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ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
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char *buf);
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ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
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char *buf, size_t count);
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};
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#define BAT_ATTR(_name, _mode, _show, _store) \
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struct bat_attribute bat_attr_##_name = { \
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.attr = {.name = __stringify(_name), \
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.mode = _mode }, \
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.show = _show, \
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.store = _store, \
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};
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#define BAT_BIN_ATTR(_name, _mode, _read, _write) \
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struct bin_attribute bat_attr_##_name = { \
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.attr = { .name = __stringify(_name), \
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.mode = _mode, }, \
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.read = _read, \
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.write = _write, \
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};
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#define HARDIF_ATTR(_name, _mode, _show, _store) \
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struct hardif_attribute hardif_attr_##_name = { \
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.attr = {.name = __stringify(_name), \
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.mode = _mode }, \
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.show = _show, \
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.store = _store, \
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};
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static ssize_t show_aggr_ogm(struct kobject *kobj, struct attribute *attr,
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char *buff)
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{
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struct device *dev = to_dev(kobj->parent);
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struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
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int aggr_status = atomic_read(&bat_priv->aggregation_enabled);
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return sprintf(buff, "status: %s\ncommands: enable, disable, 0, 1\n",
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aggr_status == 0 ? "disabled" : "enabled");
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}
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static ssize_t store_aggr_ogm(struct kobject *kobj, struct attribute *attr,
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char *buff, size_t count)
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{
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struct device *dev = to_dev(kobj->parent);
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struct net_device *net_dev = to_net_dev(dev);
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struct bat_priv *bat_priv = netdev_priv(net_dev);
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int aggr_tmp = -1;
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if (((count == 2) && (buff[0] == '1')) ||
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(strncmp(buff, "enable", 6) == 0))
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aggr_tmp = 1;
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if (((count == 2) && (buff[0] == '0')) ||
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(strncmp(buff, "disable", 7) == 0))
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aggr_tmp = 0;
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if (aggr_tmp < 0) {
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if (buff[count - 1] == '\n')
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buff[count - 1] = '\0';
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printk(KERN_INFO "batman-adv:Invalid parameter for 'aggregate OGM' setting on mesh %s received: %s\n",
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net_dev->name, buff);
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return -EINVAL;
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}
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if (atomic_read(&bat_priv->aggregation_enabled) == aggr_tmp)
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return count;
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printk(KERN_INFO "batman-adv:Changing aggregation from: %s to: %s on mesh: %s\n",
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atomic_read(&bat_priv->aggregation_enabled) == 1 ?
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"enabled" : "disabled", aggr_tmp == 1 ? "enabled" : "disabled",
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net_dev->name);
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atomic_set(&bat_priv->aggregation_enabled, (unsigned)aggr_tmp);
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return count;
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}
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static ssize_t show_vis_mode(struct kobject *kobj, struct attribute *attr,
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char *buff)
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{
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struct device *dev = to_dev(kobj->parent);
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struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
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int vis_mode = atomic_read(&bat_priv->vis_mode);
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return sprintf(buff, "status: %s\ncommands: client, server, %d, %d\n",
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vis_mode == VIS_TYPE_CLIENT_UPDATE ?
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"client" : "server",
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VIS_TYPE_SERVER_SYNC, VIS_TYPE_CLIENT_UPDATE);
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}
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static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr,
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char *buff, size_t count)
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{
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struct device *dev = to_dev(kobj->parent);
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struct net_device *net_dev = to_net_dev(dev);
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struct bat_priv *bat_priv = netdev_priv(net_dev);
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unsigned long val;
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int ret, vis_mode_tmp = -1;
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ret = strict_strtoul(buff, 10, &val);
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if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) ||
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(strncmp(buff, "client", 6) == 0))
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vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE;
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if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) ||
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(strncmp(buff, "server", 6) == 0))
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vis_mode_tmp = VIS_TYPE_SERVER_SYNC;
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if (vis_mode_tmp < 0) {
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if (buff[count - 1] == '\n')
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buff[count - 1] = '\0';
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printk(KERN_INFO "batman-adv:Invalid parameter for 'vis mode' setting on mesh %s received: %s\n",
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net_dev->name, buff);
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return -EINVAL;
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}
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if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp)
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return count;
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printk(KERN_INFO "batman-adv:Changing vis mode from: %s to: %s on mesh: %s\n",
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atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE ?
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"client" : "server", vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE ?
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"client" : "server", net_dev->name);
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atomic_set(&bat_priv->vis_mode, (unsigned)vis_mode_tmp);
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return count;
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}
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static ssize_t show_orig_interval(struct kobject *kobj, struct attribute *attr,
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char *buff)
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{
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struct device *dev = to_dev(kobj->parent);
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struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
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return sprintf(buff, "status: %i\n",
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atomic_read(&bat_priv->orig_interval));
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}
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static ssize_t store_orig_interval(struct kobject *kobj, struct attribute *attr,
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char *buff, size_t count)
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{
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struct device *dev = to_dev(kobj->parent);
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struct net_device *net_dev = to_net_dev(dev);
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struct bat_priv *bat_priv = netdev_priv(net_dev);
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unsigned long orig_interval_tmp;
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int ret;
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ret = strict_strtoul(buff, 10, &orig_interval_tmp);
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if (ret) {
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printk(KERN_INFO "batman-adv:Invalid parameter for 'orig_interval' setting on mesh %s received: %s\n",
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net_dev->name, buff);
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return -EINVAL;
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}
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if (orig_interval_tmp <= JITTER * 2) {
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printk(KERN_INFO "batman-adv:New originator interval too small: %li (min: %i)\n",
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orig_interval_tmp, JITTER * 2);
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return -EINVAL;
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}
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if (atomic_read(&bat_priv->orig_interval) == orig_interval_tmp)
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return count;
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printk(KERN_INFO "batman-adv:Changing originator interval from: %i to: %li on mesh: %s\n",
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atomic_read(&bat_priv->orig_interval),
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orig_interval_tmp, net_dev->name);
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atomic_set(&bat_priv->orig_interval, orig_interval_tmp);
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return count;
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}
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static BAT_ATTR(aggregate_ogm, S_IRUGO | S_IWUSR,
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show_aggr_ogm, store_aggr_ogm);
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static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode);
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static BAT_ATTR(orig_interval, S_IRUGO | S_IWUSR,
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show_orig_interval, store_orig_interval);
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static struct bat_attribute *mesh_attrs[] = {
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&bat_attr_aggregate_ogm,
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&bat_attr_vis_mode,
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&bat_attr_orig_interval,
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NULL,
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};
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static ssize_t transtable_local_read(struct file *filp, struct kobject *kobj,
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struct bin_attribute *bin_attr,
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char *buff, loff_t off, size_t count)
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{
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struct device *dev = to_dev(kobj->parent);
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struct net_device *net_dev = to_net_dev(dev);
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return hna_local_fill_buffer_text(net_dev, buff, count, off);
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}
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static ssize_t transtable_global_read(struct file *filp, struct kobject *kobj,
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struct bin_attribute *bin_attr,
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char *buff, loff_t off, size_t count)
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{
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struct device *dev = to_dev(kobj->parent);
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struct net_device *net_dev = to_net_dev(dev);
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return hna_global_fill_buffer_text(net_dev, buff, count, off);
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}
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static ssize_t originators_read(struct file *filp, struct kobject *kobj,
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struct bin_attribute *bin_attr,
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char *buff, loff_t off, size_t count)
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{
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struct device *dev = to_dev(kobj->parent);
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struct net_device *net_dev = to_net_dev(dev);
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return orig_fill_buffer_text(net_dev, buff, count, off);
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}
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static ssize_t vis_data_read(struct file *filp, struct kobject *kobj,
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struct bin_attribute *bin_attr,
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char *buff, loff_t off, size_t count)
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{
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struct device *dev = to_dev(kobj->parent);
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struct net_device *net_dev = to_net_dev(dev);
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return vis_fill_buffer_text(net_dev, buff, count, off);
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}
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static BAT_BIN_ATTR(transtable_local, S_IRUGO, transtable_local_read, NULL);
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static BAT_BIN_ATTR(transtable_global, S_IRUGO, transtable_global_read, NULL);
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static BAT_BIN_ATTR(originators, S_IRUGO, originators_read, NULL);
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static BAT_BIN_ATTR(vis_data, S_IRUGO, vis_data_read, NULL);
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static struct bin_attribute *mesh_bin_attrs[] = {
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&bat_attr_transtable_local,
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&bat_attr_transtable_global,
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&bat_attr_originators,
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&bat_attr_vis_data,
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NULL,
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};
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int sysfs_add_meshif(struct net_device *dev)
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{
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struct kobject *batif_kobject = &dev->dev.kobj;
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struct bat_priv *bat_priv = netdev_priv(dev);
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struct bat_attribute **bat_attr;
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struct bin_attribute **bin_attr;
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int err;
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/* FIXME: should be done in the general mesh setup
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routine as soon as we have it */
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atomic_set(&bat_priv->aggregation_enabled, 1);
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atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE);
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atomic_set(&bat_priv->orig_interval, 1000);
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bat_priv->primary_if = NULL;
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bat_priv->num_ifaces = 0;
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bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR,
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batif_kobject);
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if (!bat_priv->mesh_obj) {
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printk(KERN_ERR "batman-adv:Can't add sysfs directory: %s/%s\n",
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dev->name, SYSFS_IF_MESH_SUBDIR);
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goto out;
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}
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for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) {
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err = sysfs_create_file(bat_priv->mesh_obj,
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&((*bat_attr)->attr));
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if (err) {
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printk(KERN_ERR "batman-adv:Can't add sysfs file: %s/%s/%s\n",
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dev->name, SYSFS_IF_MESH_SUBDIR,
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((*bat_attr)->attr).name);
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goto rem_attr;
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}
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}
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for (bin_attr = mesh_bin_attrs; *bin_attr; ++bin_attr) {
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err = sysfs_create_bin_file(bat_priv->mesh_obj, (*bin_attr));
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if (err) {
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printk(KERN_ERR "batman-adv:Can't add sysfs file: %s/%s/%s\n",
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dev->name, SYSFS_IF_MESH_SUBDIR,
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((*bin_attr)->attr).name);
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goto rem_bin_attr;
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}
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}
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return 0;
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rem_bin_attr:
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for (bin_attr = mesh_bin_attrs; *bin_attr; ++bin_attr)
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sysfs_remove_bin_file(bat_priv->mesh_obj, (*bin_attr));
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rem_attr:
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for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr)
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sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
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kobject_put(bat_priv->mesh_obj);
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bat_priv->mesh_obj = NULL;
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out:
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return -ENOMEM;
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}
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void sysfs_del_meshif(struct net_device *dev)
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{
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struct bat_priv *bat_priv = netdev_priv(dev);
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struct bat_attribute **bat_attr;
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struct bin_attribute **bin_attr;
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for (bin_attr = mesh_bin_attrs; *bin_attr; ++bin_attr)
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sysfs_remove_bin_file(bat_priv->mesh_obj, (*bin_attr));
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for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr)
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sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
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kobject_put(bat_priv->mesh_obj);
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bat_priv->mesh_obj = NULL;
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}
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static ssize_t show_mesh_iface(struct kobject *kobj, struct attribute *attr,
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char *buff)
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{
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struct device *dev = to_dev(kobj->parent);
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struct net_device *net_dev = to_net_dev(dev);
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struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
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if (!batman_if)
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return 0;
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return sprintf(buff, "status: %s\ncommands: none, bat0\n",
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batman_if->if_status == IF_NOT_IN_USE ?
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"none" : "bat0");
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}
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static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr,
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char *buff, size_t count)
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{
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struct device *dev = to_dev(kobj->parent);
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struct net_device *net_dev = to_net_dev(dev);
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struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
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int status_tmp = -1;
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if (!batman_if)
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return count;
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if (strncmp(buff, "none", 4) == 0)
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status_tmp = IF_NOT_IN_USE;
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if (strncmp(buff, "bat0", 4) == 0)
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status_tmp = IF_I_WANT_YOU;
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if (status_tmp < 0) {
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if (buff[count - 1] == '\n')
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buff[count - 1] = '\0';
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printk(KERN_ERR "batman-adv:Invalid parameter for 'mesh_iface' setting received: %s\n",
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buff);
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return -EINVAL;
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}
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if ((batman_if->if_status == status_tmp) ||
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((status_tmp == IF_I_WANT_YOU) &&
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(batman_if->if_status != IF_NOT_IN_USE)))
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return count;
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if (status_tmp == IF_I_WANT_YOU)
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status_tmp = hardif_enable_interface(batman_if);
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else
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hardif_disable_interface(batman_if);
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return (status_tmp < 0 ? status_tmp : count);
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}
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static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr,
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char *buff)
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{
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struct device *dev = to_dev(kobj->parent);
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struct net_device *net_dev = to_net_dev(dev);
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struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
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if (!batman_if)
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return 0;
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switch (batman_if->if_status) {
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case IF_TO_BE_REMOVED:
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return sprintf(buff, "disabling\n");
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case IF_INACTIVE:
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return sprintf(buff, "inactive\n");
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case IF_ACTIVE:
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return sprintf(buff, "active\n");
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case IF_TO_BE_ACTIVATED:
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return sprintf(buff, "enabling\n");
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case IF_NOT_IN_USE:
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default:
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return sprintf(buff, "not in use\n");
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}
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}
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static HARDIF_ATTR(mesh_iface, S_IRUGO | S_IWUSR,
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show_mesh_iface, store_mesh_iface);
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static HARDIF_ATTR(iface_status, S_IRUGO, show_iface_status, NULL);
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static struct hardif_attribute *batman_attrs[] = {
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&hardif_attr_mesh_iface,
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&hardif_attr_iface_status,
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NULL,
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};
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int sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
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{
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struct kobject *hardif_kobject = &dev->dev.kobj;
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struct hardif_attribute **hardif_attr;
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int err;
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*hardif_obj = kobject_create_and_add(SYSFS_IF_BAT_SUBDIR,
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hardif_kobject);
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if (!*hardif_obj) {
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printk(KERN_ERR "batman-adv:Can't add sysfs directory: %s/%s\n",
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dev->name, SYSFS_IF_BAT_SUBDIR);
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goto out;
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}
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for (hardif_attr = batman_attrs; *hardif_attr; ++hardif_attr) {
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err = sysfs_create_file(*hardif_obj, &((*hardif_attr)->attr));
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if (err) {
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printk(KERN_ERR "batman-adv:Can't add sysfs file: %s/%s/%s\n",
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dev->name, SYSFS_IF_BAT_SUBDIR,
|
|
((*hardif_attr)->attr).name);
|
|
goto rem_attr;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
|
|
rem_attr:
|
|
for (hardif_attr = batman_attrs; *hardif_attr; ++hardif_attr)
|
|
sysfs_remove_file(*hardif_obj, &((*hardif_attr)->attr));
|
|
out:
|
|
return -ENOMEM;
|
|
}
|
|
|
|
void sysfs_del_hardif(struct kobject **hardif_obj)
|
|
{
|
|
kobject_put(*hardif_obj);
|
|
*hardif_obj = NULL;
|
|
}
|