The following commit has been merged in the master branch: commit 1d59f82cb876ee9a1b4adc4f9b1063b855eac015 Author: Marek Lindner lindner_marek@yahoo.de Date: Fri May 7 21:47:20 2010 +0200

Staging: batman-adv: move originator interval setting from /proc to /sys

Signed-off-by: Marek Lindner lindner_marek@yahoo.de Signed-off-by: Andrew Lunn andrew@lunn.ch Signed-off-by: Greg Kroah-Hartman gregkh@suse.de

diff --git a/drivers/staging/batman-adv/bat_sysfs.c b/drivers/staging/batman-adv/bat_sysfs.c index c14ab47..ea7ce77 100644 --- a/drivers/staging/batman-adv/bat_sysfs.c +++ b/drivers/staging/batman-adv/bat_sysfs.c @@ -153,13 +153,59 @@ static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr, return count; }

+static ssize_t show_orig_interval(struct kobject *kobj, struct attribute *attr, + char *buff) +{ + struct device *dev = to_dev(kobj->parent); + struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev)); + + return sprintf(buff, "status: %i\n", + atomic_read(&bat_priv->orig_interval)); +} + +static ssize_t store_orig_interval(struct kobject *kobj, struct attribute *attr, + char *buff, size_t count) +{ + struct device *dev = to_dev(kobj->parent); + struct net_device *net_dev = to_net_dev(dev); + struct bat_priv *bat_priv = netdev_priv(net_dev); + unsigned long orig_interval_tmp; + int ret; + + ret = strict_strtoul(buff, 10, &orig_interval_tmp); + if (ret) { + printk(KERN_INFO "batman-adv:Invalid parameter for 'orig_interval' setting on mesh %s received: %s\n", + net_dev->name, buff); + return -EINVAL; + } + + if (orig_interval_tmp <= JITTER * 2) { + printk(KERN_INFO "batman-adv:New originator interval too small: %li (min: %i)\n", + orig_interval_tmp, JITTER * 2); + return -EINVAL; + } + + if (atomic_read(&bat_priv->orig_interval) == orig_interval_tmp) + return count; + + printk(KERN_INFO "batman-adv:Changing originator interval from: %i to: %li on mesh: %s\n", + atomic_read(&bat_priv->orig_interval), + orig_interval_tmp, net_dev->name); + + atomic_set(&bat_priv->orig_interval, orig_interval_tmp); + return count; +} + static BAT_ATTR(aggregate_ogm, S_IRUGO | S_IWUSR, show_aggr_ogm, store_aggr_ogm); static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode); +static BAT_ATTR(orig_interval, S_IRUGO | S_IWUSR, + show_orig_interval, store_orig_interval);

static struct bat_attribute *mesh_attrs[] = { &bat_attr_aggregate_ogm, &bat_attr_vis_mode, + &bat_attr_orig_interval, NULL, };

@@ -228,6 +274,7 @@ int sysfs_add_meshif(struct net_device *dev) routine as soon as we have it */ atomic_set(&bat_priv->aggregation_enabled, 1); atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE); + atomic_set(&bat_priv->orig_interval, 1000);

bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR, batif_kobject); diff --git a/drivers/staging/batman-adv/main.c b/drivers/staging/batman-adv/main.c index 54e8cd5..7d72685 100644 --- a/drivers/staging/batman-adv/main.c +++ b/drivers/staging/batman-adv/main.c @@ -42,7 +42,6 @@ DEFINE_SPINLOCK(orig_hash_lock); DEFINE_SPINLOCK(forw_bat_list_lock); DEFINE_SPINLOCK(forw_bcast_list_lock);

-atomic_t originator_interval; atomic_t vis_interval; int16_t num_hna; int16_t num_ifs; @@ -80,7 +79,6 @@ int init_module(void)

atomic_set(&module_state, MODULE_INACTIVE);

- atomic_set(&originator_interval, 1000); atomic_set(&vis_interval, 1000);/* TODO: raise this later, this is only * for debugging now. */

diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h index b2283a7..59a70c7 100644 --- a/drivers/staging/batman-adv/main.h +++ b/drivers/staging/batman-adv/main.h @@ -127,7 +127,6 @@ extern spinlock_t orig_hash_lock; extern spinlock_t forw_bat_list_lock; extern spinlock_t forw_bcast_list_lock;

-extern atomic_t originator_interval; extern atomic_t vis_interval; extern int16_t num_hna; extern int16_t num_ifs; diff --git a/drivers/staging/batman-adv/proc.c b/drivers/staging/batman-adv/proc.c index cbea642..25b24fe 100644 --- a/drivers/staging/batman-adv/proc.c +++ b/drivers/staging/batman-adv/proc.c @@ -29,7 +29,6 @@ #include "vis.h"

static struct proc_dir_entry *proc_batman_dir, *proc_interface_file; -static struct proc_dir_entry *proc_orig_interval_file;

static int proc_interfaces_read(struct seq_file *seq, void *offset) { @@ -121,57 +120,6 @@ end: return count; }

-static int proc_orig_interval_read(struct seq_file *seq, void *offset) -{ - seq_printf(seq, "%i\n", atomic_read(&originator_interval)); - - return 0; -} - -static ssize_t proc_orig_interval_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *ppos) -{ - char *interval_string; - int not_copied = 0; - unsigned long originator_interval_tmp; - int retval; - - interval_string = kmalloc(count, GFP_KERNEL); - - if (!interval_string) - return -ENOMEM; - - not_copied = copy_from_user(interval_string, buffer, count); - interval_string[count - not_copied - 1] = 0; - - retval = strict_strtoul(interval_string, 10, &originator_interval_tmp); - if (retval) { - printk(KERN_ERR "batman-adv:New originator interval invalid\n"); - goto end; - } - - if (originator_interval_tmp <= JITTER * 2) { - printk(KERN_WARNING "batman-adv:New originator interval too small: %li (min: %i)\n", - originator_interval_tmp, JITTER * 2); - goto end; - } - - printk(KERN_INFO "batman-adv:Changing originator interval from: %i to: %li\n", - atomic_read(&originator_interval), originator_interval_tmp); - - atomic_set(&originator_interval, originator_interval_tmp); - -end: - kfree(interval_string); - return count; -} - -static int proc_orig_interval_open(struct inode *inode, struct file *file) -{ - return single_open(file, proc_orig_interval_read, NULL); -} - static const struct file_operations proc_interfaces_fops = { .owner = THIS_MODULE, .open = proc_interfaces_open, @@ -181,20 +129,8 @@ static const struct file_operations proc_interfaces_fops = { .release = single_release, };

-static const struct file_operations proc_orig_interval_fops = { - .owner = THIS_MODULE, - .open = proc_orig_interval_open, - .read = seq_read, - .write = proc_orig_interval_write, - .llseek = seq_lseek, - .release = single_release, -}; - void cleanup_procfs(void) { - if (proc_orig_interval_file) - remove_proc_entry(PROC_FILE_ORIG_INTERVAL, proc_batman_dir); - if (proc_interface_file) remove_proc_entry(PROC_FILE_INTERFACES, proc_batman_dir);

@@ -230,16 +166,5 @@ int setup_procfs(void) return -EFAULT; }

- proc_orig_interval_file = create_proc_entry(PROC_FILE_ORIG_INTERVAL, - S_IWUSR | S_IRUGO, - proc_batman_dir); - if (proc_orig_interval_file) { - proc_orig_interval_file->proc_fops = &proc_orig_interval_fops; - } else { - printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_ORIG_INTERVAL); - cleanup_procfs(); - return -EFAULT; - } - return 0; } diff --git a/drivers/staging/batman-adv/proc.h b/drivers/staging/batman-adv/proc.h index 6a972a6..6f4f5b3 100644 --- a/drivers/staging/batman-adv/proc.h +++ b/drivers/staging/batman-adv/proc.h @@ -24,7 +24,6 @@

#define PROC_ROOT_DIR "batman-adv" #define PROC_FILE_INTERFACES "interfaces" -#define PROC_FILE_ORIG_INTERVAL "orig_interval"

void cleanup_procfs(void); int setup_procfs(void); diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c index a00aa88..de2344a 100644 --- a/drivers/staging/batman-adv/send.c +++ b/drivers/staging/batman-adv/send.c @@ -36,10 +36,10 @@ static uint8_t hop_penalty(const uint8_t tq) }

/* when do we schedule our own packet to be sent */ -static unsigned long own_send_time(void) +static unsigned long own_send_time(struct bat_priv *bat_priv) { return jiffies + - (((atomic_read(&originator_interval) - JITTER + + (((atomic_read(&bat_priv->orig_interval) - JITTER + (random32() % 2*JITTER)) * HZ) / 1000); }

@@ -277,7 +277,7 @@ void schedule_own_packet(struct batman_if *batman_if) atomic_inc(&batman_if->seqno);

slide_own_bcast_window(batman_if); - send_time = own_send_time(); + send_time = own_send_time(bat_priv); add_bat_packet_to_list(bat_priv, batman_if->packet_buff, batman_if->packet_len, diff --git a/drivers/staging/batman-adv/types.h b/drivers/staging/batman-adv/types.h index e8d2e8c..a8c6ad7 100644 --- a/drivers/staging/batman-adv/types.h +++ b/drivers/staging/batman-adv/types.h @@ -84,6 +84,7 @@ struct bat_priv { struct net_device_stats stats; atomic_t aggregation_enabled; atomic_t vis_mode; + atomic_t orig_interval; struct kobject *mesh_obj; };