diff options
Diffstat (limited to 'drivers/staging/batman-adv/proc.c')
| -rw-r--r-- | drivers/staging/batman-adv/proc.c | 670 |
1 files changed, 0 insertions, 670 deletions
diff --git a/drivers/staging/batman-adv/proc.c b/drivers/staging/batman-adv/proc.c deleted file mode 100644 index 7de60e84bc96..000000000000 --- a/drivers/staging/batman-adv/proc.c +++ /dev/null @@ -1,670 +0,0 @@ -/* - * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors: - * - * Marek Lindner, Simon Wunderlich - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA - * - */ - -#include "main.h" -#include "proc.h" -#include "routing.h" -#include "translation-table.h" -#include "hard-interface.h" -#include "types.h" -#include "hash.h" -#include "vis.h" - -static struct proc_dir_entry *proc_batman_dir, *proc_interface_file; -static struct proc_dir_entry *proc_orig_interval_file, *proc_originators_file; -static struct proc_dir_entry *proc_transt_local_file; -static struct proc_dir_entry *proc_transt_global_file; -static struct proc_dir_entry *proc_vis_srv_file, *proc_vis_data_file; -static struct proc_dir_entry *proc_aggr_file; - -static int proc_interfaces_read(struct seq_file *seq, void *offset) -{ - struct batman_if *batman_if; - - rcu_read_lock(); - list_for_each_entry_rcu(batman_if, &if_list, list) { - seq_printf(seq, "[%8s] %s %s \n", - (batman_if->if_active == IF_ACTIVE ? - "active" : "inactive"), - batman_if->dev, - (batman_if->if_active == IF_ACTIVE ? - batman_if->addr_str : " ")); - } - rcu_read_unlock(); - - return 0; -} - -static int proc_interfaces_open(struct inode *inode, struct file *file) -{ - return single_open(file, proc_interfaces_read, NULL); -} - -static ssize_t proc_interfaces_write(struct file *instance, - const char __user *userbuffer, - size_t count, loff_t *data) -{ - char *if_string, *colon_ptr = NULL, *cr_ptr = NULL; - int not_copied = 0, if_num = 0, add_success; - struct batman_if *batman_if = NULL; - - if_string = kmalloc(count, GFP_KERNEL); - - if (!if_string) - return -ENOMEM; - - if (count > IFNAMSIZ - 1) { - printk(KERN_WARNING "batman-adv:Can't add interface: device name is too long\n"); - goto end; - } - - not_copied = copy_from_user(if_string, userbuffer, count); - if_string[count - not_copied - 1] = 0; - - colon_ptr = strchr(if_string, ':'); - if (colon_ptr) - *colon_ptr = 0; - - if (!colon_ptr) { - cr_ptr = strchr(if_string, '\n'); - if (cr_ptr) - *cr_ptr = 0; - } - - if (strlen(if_string) == 0) { - shutdown_module(); - num_ifs = 0; - goto end; - } - - /* add interface */ - rcu_read_lock(); - list_for_each_entry_rcu(batman_if, &if_list, list) { - if (strncmp(batman_if->dev, if_string, count) == 0) { - printk(KERN_ERR "batman-adv:Given interface is already active: %s\n", if_string); - rcu_read_unlock(); - goto end; - - } - - if_num++; - } - rcu_read_unlock(); - - add_success = hardif_add_interface(if_string, if_num); - if (add_success < 0) - goto end; - - num_ifs = if_num + 1; - - if ((atomic_read(&module_state) == MODULE_INACTIVE) && - (hardif_get_active_if_num() > 0)) - activate_module(); - - return count; -end: - kfree(if_string); - 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 int proc_originators_read(struct seq_file *seq, void *offset) -{ - HASHIT(hashit); - struct orig_node *orig_node; - struct neigh_node *neigh_node; - int batman_count = 0; - char orig_str[ETH_STR_LEN], router_str[ETH_STR_LEN]; - unsigned long flags; - - rcu_read_lock(); - if (list_empty(&if_list)) { - rcu_read_unlock(); - seq_printf(seq, "BATMAN disabled - please specify interfaces to enable it \n"); - goto end; - } - - if (((struct batman_if *)if_list.next)->if_active != IF_ACTIVE) { - rcu_read_unlock(); - seq_printf(seq, "BATMAN disabled - primary interface not active \n"); - goto end; - } - - seq_printf(seq, - " %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s] \n", - "Originator", "#", TQ_MAX_VALUE, "Nexthop", "outgoingIF", - "Potential nexthops", SOURCE_VERSION, REVISION_VERSION_STR, - ((struct batman_if *)if_list.next)->dev, - ((struct batman_if *)if_list.next)->addr_str); - - rcu_read_unlock(); - spin_lock_irqsave(&orig_hash_lock, flags); - - while (hash_iterate(orig_hash, &hashit)) { - - orig_node = hashit.bucket->data; - - if (!orig_node->router) - continue; - - if (orig_node->router->tq_avg == 0) - continue; - - batman_count++; - - addr_to_string(orig_str, orig_node->orig); - addr_to_string(router_str, orig_node->router->addr); - - seq_printf(seq, "%-17s (%3i) %17s [%10s]:", - orig_str, orig_node->router->tq_avg, - router_str, orig_node->router->if_incoming->dev); - - list_for_each_entry(neigh_node, &orig_node->neigh_list, list) { - addr_to_string(orig_str, neigh_node->addr); - seq_printf(seq, " %17s (%3i)", - orig_str, neigh_node->tq_avg); - } - - seq_printf(seq, "\n"); - - } - - spin_unlock_irqrestore(&orig_hash_lock, flags); - - if (batman_count == 0) - seq_printf(seq, "No batman nodes in range ... \n"); - -end: - return 0; -} - -static int proc_originators_open(struct inode *inode, struct file *file) -{ - return single_open(file, proc_originators_read, NULL); -} - -static int proc_transt_local_read(struct seq_file *seq, void *offset) -{ - char *buf; - - buf = kmalloc(4096, GFP_KERNEL); - if (!buf) - return 0; - - rcu_read_lock(); - if (list_empty(&if_list)) { - rcu_read_unlock(); - seq_printf(seq, "BATMAN disabled - please specify interfaces to enable it \n"); - goto end; - } - - rcu_read_unlock(); - - seq_printf(seq, "Locally retrieved addresses (from %s) announced via HNA:\n", soft_device->name); - - hna_local_fill_buffer_text(buf, 4096); - seq_printf(seq, "%s", buf); - -end: - kfree(buf); - return 0; -} - -static int proc_transt_local_open(struct inode *inode, struct file *file) -{ - return single_open(file, proc_transt_local_read, NULL); -} - -static int proc_transt_global_read(struct seq_file *seq, void *offset) -{ - char *buf; - - buf = kmalloc(4096, GFP_KERNEL); - if (!buf) - return 0; - - rcu_read_lock(); - if (list_empty(&if_list)) { - rcu_read_unlock(); - seq_printf(seq, "BATMAN disabled - please specify interfaces to enable it \n"); - goto end; - } - rcu_read_unlock(); - - - seq_printf(seq, "Globally announced HNAs received via the mesh (translation table):\n"); - - hna_global_fill_buffer_text(buf, 4096); - seq_printf(seq, "%s", buf); - -end: - kfree(buf); - return 0; -} - -static int proc_transt_global_open(struct inode *inode, struct file *file) -{ - return single_open(file, proc_transt_global_read, NULL); -} - -/* setting the mode of the vis server by the user */ -static ssize_t proc_vis_srv_write(struct file *file, const char __user * buffer, - size_t count, loff_t *ppos) -{ - char *vis_mode_string; - int not_copied = 0; - - vis_mode_string = kmalloc(count, GFP_KERNEL); - - if (!vis_mode_string) - return -ENOMEM; - - not_copied = copy_from_user(vis_mode_string, buffer, count); - vis_mode_string[count - not_copied - 1] = 0; - - if ((strcmp(vis_mode_string, "client") == 0) || - (strcmp(vis_mode_string, "disabled") == 0)) { - printk(KERN_INFO "batman-adv:Setting VIS mode to client (disabling vis server)\n"); - atomic_set(&vis_mode, VIS_TYPE_CLIENT_UPDATE); - } else if ((strcmp(vis_mode_string, "server") == 0) || - (strcmp(vis_mode_string, "enabled") == 0)) { - printk(KERN_INFO "batman-adv:Setting VIS mode to server (enabling vis server)\n"); - atomic_set(&vis_mode, VIS_TYPE_SERVER_SYNC); - } else - printk(KERN_ERR "batman-adv:Unknown VIS mode: %s\n", - vis_mode_string); - - kfree(vis_mode_string); - return count; -} - -static int proc_vis_srv_read(struct seq_file *seq, void *offset) -{ - int vis_server = atomic_read(&vis_mode); - - seq_printf(seq, "[%c] client mode (server disabled) \n", - (vis_server == VIS_TYPE_CLIENT_UPDATE) ? 'x' : ' '); - seq_printf(seq, "[%c] server mode (server enabled) \n", - (vis_server == VIS_TYPE_SERVER_SYNC) ? 'x' : ' '); - - return 0; -} - -static int proc_vis_srv_open(struct inode *inode, struct file *file) -{ - return single_open(file, proc_vis_srv_read, NULL); -} - -static int proc_vis_data_read(struct seq_file *seq, void *offset) -{ - HASHIT(hashit); - struct vis_info *info; - struct vis_info_entry *entries; - HLIST_HEAD(vis_if_list); - int i; - char tmp_addr_str[ETH_STR_LEN]; - unsigned long flags; - int vis_server = atomic_read(&vis_mode); - - rcu_read_lock(); - if (list_empty(&if_list) || (vis_server == VIS_TYPE_CLIENT_UPDATE)) { - rcu_read_unlock(); - goto end; - } - - rcu_read_unlock(); - - spin_lock_irqsave(&vis_hash_lock, flags); - while (hash_iterate(vis_hash, &hashit)) { - info = hashit.bucket->data; - entries = (struct vis_info_entry *) - ((char *)info + sizeof(struct vis_info)); - addr_to_string(tmp_addr_str, info->packet.vis_orig); - seq_printf(seq, "%s,", tmp_addr_str); - - for (i = 0; i < info->packet.entries; i++) { - proc_vis_read_entry(seq, &entries[i], &vis_if_list, - info->packet.vis_orig); - } - - /* add primary/secondary records */ - proc_vis_read_prim_sec(seq, &vis_if_list); - seq_printf(seq, "\n"); - } - spin_unlock_irqrestore(&vis_hash_lock, flags); - -end: - return 0; -} - -static int proc_vis_data_open(struct inode *inode, struct file *file) -{ - return single_open(file, proc_vis_data_read, NULL); -} - -static int proc_aggr_read(struct seq_file *seq, void *offset) -{ - seq_printf(seq, "%i\n", atomic_read(&aggregation_enabled)); - - return 0; -} - -static ssize_t proc_aggr_write(struct file *file, const char __user *buffer, - size_t count, loff_t *ppos) -{ - char *aggr_string; - int not_copied = 0; - unsigned long aggregation_enabled_tmp; - int retval; - - aggr_string = kmalloc(count, GFP_KERNEL); - - if (!aggr_string) - return -ENOMEM; - - not_copied = copy_from_user(aggr_string, buffer, count); - aggr_string[count - not_copied - 1] = 0; - - retval = strict_strtoul(aggr_string, 10, &aggregation_enabled_tmp); - - if (retval || aggregation_enabled_tmp > 1) { - printk(KERN_ERR "batman-adv:Aggregation can only be enabled (1) or disabled (0), given value: %li\n", aggregation_enabled_tmp); - } else { - printk(KERN_INFO "batman-adv:Changing aggregation from: %s (%i) to: %s (%li)\n", - (atomic_read(&aggregation_enabled) == 1 ? - "enabled" : "disabled"), - atomic_read(&aggregation_enabled), - (aggregation_enabled_tmp == 1 ? "enabled" : "disabled"), - aggregation_enabled_tmp); - atomic_set(&aggregation_enabled, - (unsigned)aggregation_enabled_tmp); - } - - kfree(aggr_string); - return count; -} - -static int proc_aggr_open(struct inode *inode, struct file *file) -{ - return single_open(file, proc_aggr_read, NULL); -} - -/* satisfying different prototypes ... */ -static ssize_t proc_dummy_write(struct file *file, const char __user *buffer, - size_t count, loff_t *ppos) -{ - return count; -} - -static const struct file_operations proc_aggr_fops = { - .owner = THIS_MODULE, - .open = proc_aggr_open, - .read = seq_read, - .write = proc_aggr_write, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations proc_vis_srv_fops = { - .owner = THIS_MODULE, - .open = proc_vis_srv_open, - .read = seq_read, - .write = proc_vis_srv_write, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations proc_vis_data_fops = { - .owner = THIS_MODULE, - .open = proc_vis_data_open, - .read = seq_read, - .write = proc_dummy_write, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations proc_originators_fops = { - .owner = THIS_MODULE, - .open = proc_originators_open, - .read = seq_read, - .write = proc_dummy_write, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations proc_transt_local_fops = { - .owner = THIS_MODULE, - .open = proc_transt_local_open, - .read = seq_read, - .write = proc_dummy_write, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations proc_transt_global_fops = { - .owner = THIS_MODULE, - .open = proc_transt_global_open, - .read = seq_read, - .write = proc_dummy_write, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations proc_interfaces_fops = { - .owner = THIS_MODULE, - .open = proc_interfaces_open, - .read = seq_read, - .write = proc_interfaces_write, - .llseek = seq_lseek, - .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_transt_global_file) - remove_proc_entry(PROC_FILE_TRANST_GLOBAL, proc_batman_dir); - - if (proc_transt_local_file) - remove_proc_entry(PROC_FILE_TRANST_LOCAL, proc_batman_dir); - - if (proc_originators_file) - remove_proc_entry(PROC_FILE_ORIGINATORS, proc_batman_dir); - - 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); - - if (proc_vis_data_file) - remove_proc_entry(PROC_FILE_VIS_DATA, proc_batman_dir); - - if (proc_vis_srv_file) - remove_proc_entry(PROC_FILE_VIS_SRV, proc_batman_dir); - - if (proc_aggr_file) - remove_proc_entry(PROC_FILE_AGGR, proc_batman_dir); - - if (proc_batman_dir) -#ifdef __NET_NET_NAMESPACE_H - remove_proc_entry(PROC_ROOT_DIR, init_net.proc_net); -#else - remove_proc_entry(PROC_ROOT_DIR, proc_net); -#endif -} - -int setup_procfs(void) -{ -#ifdef __NET_NET_NAMESPACE_H - proc_batman_dir = proc_mkdir(PROC_ROOT_DIR, init_net.proc_net); -#else - proc_batman_dir = proc_mkdir(PROC_ROOT_DIR, proc_net); -#endif - - if (!proc_batman_dir) { - printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s' folder failed\n", PROC_ROOT_DIR); - return -EFAULT; - } - - proc_interface_file = create_proc_entry(PROC_FILE_INTERFACES, - S_IWUSR | S_IRUGO, - proc_batman_dir); - if (proc_interface_file) { - proc_interface_file->proc_fops = &proc_interfaces_fops; - } else { - printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_INTERFACES); - cleanup_procfs(); - 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; - } - - proc_originators_file = create_proc_entry(PROC_FILE_ORIGINATORS, - S_IRUGO, proc_batman_dir); - if (proc_originators_file) { - proc_originators_file->proc_fops = &proc_originators_fops; - } else { - printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_ORIGINATORS); - cleanup_procfs(); - return -EFAULT; - } - - proc_transt_local_file = create_proc_entry(PROC_FILE_TRANST_LOCAL, - S_IRUGO, proc_batman_dir); - if (proc_transt_local_file) { - proc_transt_local_file->proc_fops = &proc_transt_local_fops; - } else { - printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_TRANST_LOCAL); - cleanup_procfs(); - return -EFAULT; - } - - proc_transt_global_file = create_proc_entry(PROC_FILE_TRANST_GLOBAL, - S_IRUGO, proc_batman_dir); - if (proc_transt_global_file) { - proc_transt_global_file->proc_fops = &proc_transt_global_fops; - } else { - printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_TRANST_GLOBAL); - cleanup_procfs(); - return -EFAULT; - } - - proc_vis_srv_file = create_proc_entry(PROC_FILE_VIS_SRV, - S_IWUSR | S_IRUGO, - proc_batman_dir); - if (proc_vis_srv_file) { - proc_vis_srv_file->proc_fops = &proc_vis_srv_fops; - } else { - printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_VIS_SRV); - cleanup_procfs(); - return -EFAULT; - } - - proc_vis_data_file = create_proc_entry(PROC_FILE_VIS_DATA, S_IRUGO, - proc_batman_dir); - if (proc_vis_data_file) { - proc_vis_data_file->proc_fops = &proc_vis_data_fops; - } else { - printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_VIS_DATA); - cleanup_procfs(); - return -EFAULT; - } - - proc_aggr_file = create_proc_entry(PROC_FILE_AGGR, S_IWUSR | S_IRUGO, - proc_batman_dir); - if (proc_aggr_file) { - proc_aggr_file->proc_fops = &proc_aggr_fops; - } else { - printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_AGGR); - cleanup_procfs(); - return -EFAULT; - } - - return 0; -} |