From patchwork Thu May 6 20:18:40 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Lunn X-Patchwork-Id: 153 Return-Path: Received: from londo.lunn.ch (londo.lunn.ch [80.238.139.98]) by open-mesh.net (Postfix) with ESMTP id 74A36154583 for ; Thu, 6 May 2010 22:21:08 +0200 (CEST) Received: from lunn by londo.lunn.ch with local (Exim 3.36 #1 (Debian)) id 1OA7X8-0002Jr-00; Thu, 06 May 2010 22:18:58 +0200 From: Andrew Lunn To: gregkh@suse.de Date: Thu, 6 May 2010 22:18:40 +0200 Message-Id: <1273177132-8792-15-git-send-email-andrew@lunn.ch> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1273177132-8792-1-git-send-email-andrew@lunn.ch> References: <1273177132-8792-1-git-send-email-andrew@lunn.ch> Sender: Andrew Lunn Cc: Marek Lindner , b.a.t.m.a.n@lists.open-mesh.net Subject: [B.A.T.M.A.N.] [PATCH 14/26] staging:batman-adv: convert more files from /proc to /sys X-BeenThere: b.a.t.m.a.n@lists.open-mesh.org X-Mailman-Version: 2.1.11 Precedence: list Reply-To: The list for a Better Approach To Mobile Ad-hoc Networking List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 May 2010 20:21:09 -0000 From: Marek Lindner converted files: vis_mode, vis_data Signed-off-by: Marek Lindner Signed-off-by: Andrew Lunn --- drivers/staging/batman-adv/aggregation.c | 6 +- drivers/staging/batman-adv/aggregation.h | 8 +- drivers/staging/batman-adv/bat_sysfs.c | 118 ++++++++++------- drivers/staging/batman-adv/main.c | 2 - drivers/staging/batman-adv/main.h | 1 - drivers/staging/batman-adv/originator.c | 33 ++++- drivers/staging/batman-adv/originator.h | 3 +- drivers/staging/batman-adv/proc.c | 167 ------------------------ drivers/staging/batman-adv/proc.h | 5 - drivers/staging/batman-adv/routing.c | 10 +- drivers/staging/batman-adv/send.c | 16 +- drivers/staging/batman-adv/soft-interface.c | 4 + drivers/staging/batman-adv/translation-table.c | 26 ++++ drivers/staging/batman-adv/types.h | 1 + drivers/staging/batman-adv/vis.c | 124 +++++++++++++++--- drivers/staging/batman-adv/vis.h | 17 +-- 16 files changed, 265 insertions(+), 276 deletions(-) diff --git a/drivers/staging/batman-adv/aggregation.c b/drivers/staging/batman-adv/aggregation.c index c946839..a5818ff 100644 --- a/drivers/staging/batman-adv/aggregation.c +++ b/drivers/staging/batman-adv/aggregation.c @@ -165,10 +165,10 @@ static void aggregate(struct forw_packet *forw_packet_aggr, (1 << forw_packet_aggr->num_packets); } -void add_bat_packet_to_list(unsigned char *packet_buff, int packet_len, +void add_bat_packet_to_list(struct bat_priv *bat_priv, + unsigned char *packet_buff, int packet_len, struct batman_if *if_incoming, char own_packet, - unsigned long send_time, - struct bat_priv *bat_priv) + unsigned long send_time) { /** * _aggr -> pointer to the packet we want to aggregate with diff --git a/drivers/staging/batman-adv/aggregation.h b/drivers/staging/batman-adv/aggregation.h index 29e1ffc..84401ca 100644 --- a/drivers/staging/batman-adv/aggregation.h +++ b/drivers/staging/batman-adv/aggregation.h @@ -30,9 +30,9 @@ static inline int aggregated_packet(int buff_pos, int packet_len, int num_hna) (next_buff_pos <= MAX_AGGREGATION_BYTES); } -void add_bat_packet_to_list(unsigned char *packet_buff, int packet_len, - struct batman_if *if_outgoing, char own_packet, - unsigned long send_time, - struct bat_priv *bat_priv); +void add_bat_packet_to_list(struct bat_priv *bat_priv, + unsigned char *packet_buff, int packet_len, + struct batman_if *if_incoming, char own_packet, + unsigned long send_time); void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff, int packet_len, struct batman_if *if_incoming); diff --git a/drivers/staging/batman-adv/bat_sysfs.c b/drivers/staging/batman-adv/bat_sysfs.c index 6293118..c14ab47 100644 --- a/drivers/staging/batman-adv/bat_sysfs.c +++ b/drivers/staging/batman-adv/bat_sysfs.c @@ -24,6 +24,7 @@ #include "translation-table.h" #include "originator.h" #include "hard-interface.h" +#include "vis.h" #define to_dev(obj) container_of(obj, struct device, kobj) @@ -99,11 +100,66 @@ static ssize_t store_aggr_ogm(struct kobject *kobj, struct attribute *attr, return count; } +static ssize_t show_vis_mode(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)); + int vis_mode = atomic_read(&bat_priv->vis_mode); + + return sprintf(buff, "status: %s\ncommands: client, server, %d, %d \n", + vis_mode == VIS_TYPE_CLIENT_UPDATE ? + "client" : "server", + VIS_TYPE_SERVER_SYNC, VIS_TYPE_CLIENT_UPDATE); +} + +static ssize_t store_vis_mode(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 val; + int ret, vis_mode_tmp = -1; + + ret = strict_strtoul(buff, 10, &val); + + if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) || + (strncmp(buff, "client", 6) == 0)) + vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE; + + if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) || + (strncmp(buff, "server", 6) == 0)) + vis_mode_tmp = VIS_TYPE_SERVER_SYNC; + + if (vis_mode_tmp < 0) { + if (buff[count - 1] == '\n') + buff[count - 1] = '\0'; + + printk(KERN_INFO "batman-adv:Invalid parameter for 'vis mode' setting on mesh %s received: %s\n", + net_dev->name, buff); + return -EINVAL; + } + + if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp) + return count; + + printk(KERN_INFO "batman-adv:Changing vis mode from: %s to: %s on mesh: %s\n", + atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE ? + "client" : "server", vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE ? + "client" : "server", net_dev->name); + + atomic_set(&bat_priv->vis_mode, (unsigned)vis_mode_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 struct bat_attribute *mesh_attrs[] = { &bat_attr_aggregate_ogm, + &bat_attr_vis_mode, NULL, }; @@ -114,19 +170,6 @@ static ssize_t transtable_local_read(struct kobject *kobj, struct device *dev = to_dev(kobj->parent); struct net_device *net_dev = to_net_dev(dev); - rcu_read_lock(); - if (list_empty(&if_list)) { - rcu_read_unlock(); - - if (off == 0) - return sprintf(buff, - "BATMAN mesh %s disabled - please specify interfaces to enable it\n", - net_dev->name); - - return 0; - } - rcu_read_unlock(); - return hna_local_fill_buffer_text(net_dev, buff, count, off); } @@ -137,19 +180,6 @@ static ssize_t transtable_global_read(struct kobject *kobj, struct device *dev = to_dev(kobj->parent); struct net_device *net_dev = to_net_dev(dev); - rcu_read_lock(); - if (list_empty(&if_list)) { - rcu_read_unlock(); - - if (off == 0) - return sprintf(buff, - "BATMAN mesh %s disabled - please specify interfaces to enable it\n", - net_dev->name); - - return 0; - } - rcu_read_unlock(); - return hna_global_fill_buffer_text(net_dev, buff, count, off); } @@ -157,45 +187,32 @@ static ssize_t originators_read(struct kobject *kobj, struct bin_attribute *bin_attr, char *buff, loff_t off, size_t count) { - /* FIXME: orig table should exist per batif */ struct device *dev = to_dev(kobj->parent); struct net_device *net_dev = to_net_dev(dev); - rcu_read_lock(); - if (list_empty(&if_list)) { - rcu_read_unlock(); - - if (off == 0) - return sprintf(buff, - "BATMAN mesh %s disabled - please specify interfaces to enable it\n", - net_dev->name); - - return 0; - } - - if (((struct batman_if *)if_list.next)->if_active != IF_ACTIVE) { - rcu_read_unlock(); - - if (off == 0) - return sprintf(buff, - "BATMAN mesh %s disabled - primary interface not active\n", - net_dev->name); + return orig_fill_buffer_text(net_dev, buff, count, off); +} - return 0; - } - rcu_read_unlock(); +static ssize_t vis_data_read(struct kobject *kobj, + struct bin_attribute *bin_attr, + char *buff, loff_t off, size_t count) +{ + struct device *dev = to_dev(kobj->parent); + struct net_device *net_dev = to_net_dev(dev); - return orig_fill_buffer_text(buff, count, off); + return vis_fill_buffer_text(net_dev, buff, count, off); } static BAT_BIN_ATTR(transtable_local, S_IRUGO, transtable_local_read, NULL); static BAT_BIN_ATTR(transtable_global, S_IRUGO, transtable_global_read, NULL); static BAT_BIN_ATTR(originators, S_IRUGO, originators_read, NULL); +static BAT_BIN_ATTR(vis_data, S_IRUGO, vis_data_read, NULL); static struct bin_attribute *mesh_bin_attrs[] = { &bat_attr_transtable_local, &bat_attr_transtable_global, &bat_attr_originators, + &bat_attr_vis_data, NULL, }; @@ -210,6 +227,7 @@ int sysfs_add_meshif(struct net_device *dev) /* FIXME: should be done in the general mesh setup routine as soon as we have it */ atomic_set(&bat_priv->aggregation_enabled, 1); + atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE); 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 b5f8b80..54e8cd5 100644 --- a/drivers/staging/batman-adv/main.c +++ b/drivers/staging/batman-adv/main.c @@ -44,7 +44,6 @@ DEFINE_SPINLOCK(forw_bcast_list_lock); atomic_t originator_interval; atomic_t vis_interval; -atomic_t vis_mode; int16_t num_hna; int16_t num_ifs; @@ -84,7 +83,6 @@ int init_module(void) atomic_set(&originator_interval, 1000); atomic_set(&vis_interval, 1000);/* TODO: raise this later, this is only * for debugging now. */ - atomic_set(&vis_mode, VIS_TYPE_CLIENT_UPDATE); /* the name should not be longer than 10 chars - see * http://lwn.net/Articles/23634/ */ diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h index 3e28e9e..b2283a7 100644 --- a/drivers/staging/batman-adv/main.h +++ b/drivers/staging/batman-adv/main.h @@ -129,7 +129,6 @@ extern spinlock_t forw_bcast_list_lock; extern atomic_t originator_interval; extern atomic_t vis_interval; -extern atomic_t vis_mode; extern int16_t num_hna; extern int16_t num_ifs; diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c index 818f56e..684db75 100644 --- a/drivers/staging/batman-adv/originator.c +++ b/drivers/staging/batman-adv/originator.c @@ -26,6 +26,7 @@ #include "hash.h" #include "translation-table.h" #include "routing.h" +#include "hard-interface.h" static DECLARE_DELAYED_WORK(purge_orig_wq, purge_orig); @@ -205,7 +206,6 @@ static bool purge_orig_neighbors(struct orig_node *orig_node, return neigh_purged; } - static bool purge_orig_node(struct orig_node *orig_node) { struct neigh_node *best_neigh_node; @@ -224,6 +224,7 @@ static bool purge_orig_node(struct orig_node *orig_node) orig_node->hna_buff, orig_node->hna_buff_len); } + return false; } @@ -249,7 +250,8 @@ void purge_orig(struct work_struct *work) start_purge_timer(); } -ssize_t orig_fill_buffer_text(char *buff, size_t count, loff_t off) +ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff, + size_t count, loff_t off) { HASHIT(hashit); struct orig_node *orig_node; @@ -260,12 +262,35 @@ ssize_t orig_fill_buffer_text(char *buff, size_t count, loff_t off) char orig_str[ETH_STR_LEN], router_str[ETH_STR_LEN]; rcu_read_lock(); + if (list_empty(&if_list)) { + rcu_read_unlock(); + + if (off == 0) + return sprintf(buff, + "BATMAN mesh %s disabled - please specify interfaces to enable it\n", + net_dev->name); + + return 0; + } + + if (((struct batman_if *)if_list.next)->if_active != IF_ACTIVE) { + rcu_read_unlock(); + + if (off == 0) + return sprintf(buff, + "BATMAN mesh %s disabled - primary interface not active\n", + net_dev->name); + + return 0; + } + hdr_len = sprintf(buff, - " %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s] \n", + " %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%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); + ((struct batman_if *)if_list.next)->addr_str, + net_dev->name); rcu_read_unlock(); if (off < hdr_len) diff --git a/drivers/staging/batman-adv/originator.h b/drivers/staging/batman-adv/originator.h index 8289a85..745b4b0 100644 --- a/drivers/staging/batman-adv/originator.h +++ b/drivers/staging/batman-adv/originator.h @@ -28,4 +28,5 @@ struct orig_node *get_orig_node(uint8_t *addr); struct neigh_node * create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node, uint8_t *neigh, struct batman_if *if_incoming); -ssize_t orig_fill_buffer_text(char *buff, size_t count, loff_t off); +ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff, + size_t count, loff_t off); diff --git a/drivers/staging/batman-adv/proc.c b/drivers/staging/batman-adv/proc.c index 059b2d9..cbea642 100644 --- a/drivers/staging/batman-adv/proc.c +++ b/drivers/staging/batman-adv/proc.c @@ -30,7 +30,6 @@ static struct proc_dir_entry *proc_batman_dir, *proc_interface_file; static struct proc_dir_entry *proc_orig_interval_file; -static struct proc_dir_entry *proc_vis_srv_file, *proc_vis_data_file; static int proc_interfaces_read(struct seq_file *seq, void *offset) { @@ -173,145 +172,6 @@ static int proc_orig_interval_open(struct inode *inode, struct file *file) return single_open(file, proc_orig_interval_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); - struct if_list_entry *entry; - struct hlist_node *pos, *n; - 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)); - - for (i = 0; i < info->packet.entries; i++) { - if (entries[i].quality == 0) - continue; - proc_vis_insert_interface(entries[i].src, &vis_if_list, - compare_orig(entries[i].src, - info->packet.vis_orig)); - } - - hlist_for_each_entry(entry, pos, &vis_if_list, list) { - addr_to_string(tmp_addr_str, entry->addr); - seq_printf(seq, "%s,", tmp_addr_str); - - for (i = 0; i < info->packet.entries; i++) - proc_vis_read_entry(seq, &entries[i], - entry->addr, entry->primary); - - /* add primary/secondary records */ - if (compare_orig(entry->addr, info->packet.vis_orig)) - proc_vis_read_prim_sec(seq, &vis_if_list); - - seq_printf(seq, "\n"); - } - - hlist_for_each_entry_safe(entry, pos, n, &vis_if_list, list) { - hlist_del(&entry->list); - kfree(entry); - } - } - 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); -} - -/* 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_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_interfaces_fops = { .owner = THIS_MODULE, .open = proc_interfaces_open, @@ -338,12 +198,6 @@ void cleanup_procfs(void) 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_batman_dir) #ifdef __NET_NET_NAMESPACE_H remove_proc_entry(PROC_ROOT_DIR, init_net.proc_net); @@ -387,26 +241,5 @@ int setup_procfs(void) 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; - } - return 0; } diff --git a/drivers/staging/batman-adv/proc.h b/drivers/staging/batman-adv/proc.h index 68a255a..6a972a6 100644 --- a/drivers/staging/batman-adv/proc.h +++ b/drivers/staging/batman-adv/proc.h @@ -25,11 +25,6 @@ #define PROC_ROOT_DIR "batman-adv" #define PROC_FILE_INTERFACES "interfaces" #define PROC_FILE_ORIG_INTERVAL "orig_interval" -#define PROC_FILE_GATEWAYS "gateways" -#define PROC_FILE_LOG "log" -#define PROC_FILE_LOG_LEVEL "log_level" -#define PROC_FILE_VIS_SRV "vis_server" -#define PROC_FILE_VIS_DATA "vis_data" void cleanup_procfs(void); int setup_procfs(void); diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c index a78ae5c..8c055a1 100644 --- a/drivers/staging/batman-adv/routing.c +++ b/drivers/staging/batman-adv/routing.c @@ -946,6 +946,7 @@ int recv_vis_packet(struct sk_buff *skb) { struct vis_packet *vis_packet; struct ethhdr *ethhdr; + struct bat_priv *bat_priv; int hdr_size = sizeof(struct vis_packet); if (skb_headlen(skb) < hdr_size) @@ -965,15 +966,20 @@ int recv_vis_packet(struct sk_buff *skb) if (is_my_mac(vis_packet->sender_orig)) return NET_RX_DROP; + /* FIXME: each batman_if will be attached to a softif */ + bat_priv = netdev_priv(soft_device); + switch (vis_packet->vis_type) { case VIS_TYPE_SERVER_SYNC: /* TODO: handle fragmented skbs properly */ - receive_server_sync_packet(vis_packet, skb_headlen(skb)); + receive_server_sync_packet(bat_priv, vis_packet, + skb_headlen(skb)); break; case VIS_TYPE_CLIENT_UPDATE: /* TODO: handle fragmented skbs properly */ - receive_client_update_packet(vis_packet, skb_headlen(skb)); + receive_client_update_packet(bat_priv, vis_packet, + skb_headlen(skb)); break; default: /* ignore unknown packet */ diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c index 32d1756..a00aa88 100644 --- a/drivers/staging/batman-adv/send.c +++ b/drivers/staging/batman-adv/send.c @@ -243,7 +243,7 @@ void schedule_own_packet(struct batman_if *batman_if) struct bat_priv *bat_priv = netdev_priv(soft_device); unsigned long send_time; struct batman_packet *batman_packet; - int vis_server = atomic_read(&vis_mode); + int vis_server = atomic_read(&bat_priv->vis_mode); /** * the interface gets activated here to avoid race conditions between @@ -271,17 +271,17 @@ void schedule_own_packet(struct batman_if *batman_if) if (vis_server == VIS_TYPE_SERVER_SYNC) batman_packet->flags = VIS_SERVER; else - batman_packet->flags = 0; + batman_packet->flags &= ~VIS_SERVER; /* could be read by receive_bat_packet() */ atomic_inc(&batman_if->seqno); slide_own_bcast_window(batman_if); send_time = own_send_time(); - add_bat_packet_to_list(batman_if->packet_buff, + add_bat_packet_to_list(bat_priv, + batman_if->packet_buff, batman_if->packet_len, - batman_if, 1, send_time, - bat_priv); + batman_if, 1, send_time); } void schedule_forward_packet(struct orig_node *orig_node, @@ -336,10 +336,10 @@ void schedule_forward_packet(struct orig_node *orig_node, batman_packet->flags &= ~DIRECTLINK; send_time = forward_send_time(bat_priv); - add_bat_packet_to_list((unsigned char *)batman_packet, + add_bat_packet_to_list(bat_priv, + (unsigned char *)batman_packet, sizeof(struct batman_packet) + hna_buff_len, - if_incoming, 0, send_time, - bat_priv); + if_incoming, 0, send_time); } static void forw_packet_free(struct forw_packet *forw_packet) diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c index 0dff959..829deb6 100644 --- a/drivers/staging/batman-adv/soft-interface.c +++ b/drivers/staging/batman-adv/soft-interface.c @@ -182,6 +182,7 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev) struct ethhdr *ethhdr = (struct ethhdr *)skb->data; struct bat_priv *priv = netdev_priv(dev); struct batman_if *batman_if; + struct bat_priv *bat_priv; uint8_t dstaddr[6]; int data_len = skb->len; unsigned long flags; @@ -189,6 +190,9 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev) if (atomic_read(&module_state) != MODULE_ACTIVE) goto dropped; + /* FIXME: each batman_if will be attached to a softif */ + bat_priv = netdev_priv(soft_device); + dev->trans_start = jiffies; /* TODO: check this for locks */ hna_local_add(ethhdr->h_source); diff --git a/drivers/staging/batman-adv/translation-table.c b/drivers/staging/batman-adv/translation-table.c index d43b1ad..b735200 100644 --- a/drivers/staging/batman-adv/translation-table.c +++ b/drivers/staging/batman-adv/translation-table.c @@ -165,6 +165,19 @@ int hna_local_fill_buffer_text(struct net_device *net_dev, char *buff, unsigned long flags; size_t hdr_len; + rcu_read_lock(); + if (list_empty(&if_list)) { + rcu_read_unlock(); + + if (off == 0) + return sprintf(buff, + "BATMAN mesh %s disabled - please specify interfaces to enable it\n", + net_dev->name); + + return 0; + } + rcu_read_unlock(); + hdr_len = sprintf(buff, "Locally retrieved addresses (from %s) announced via HNA:\n", net_dev->name); @@ -369,6 +382,19 @@ int hna_global_fill_buffer_text(struct net_device *net_dev, char *buff, unsigned long flags; size_t hdr_len; + rcu_read_lock(); + if (list_empty(&if_list)) { + rcu_read_unlock(); + + if (off == 0) + return sprintf(buff, + "BATMAN mesh %s disabled - please specify interfaces to enable it\n", + net_dev->name); + + return 0; + } + rcu_read_unlock(); + hdr_len = sprintf(buff, "Globally announced HNAs received via the mesh %s (translation table):\n", net_dev->name); diff --git a/drivers/staging/batman-adv/types.h b/drivers/staging/batman-adv/types.h index db1bb0b..e8d2e8c 100644 --- a/drivers/staging/batman-adv/types.h +++ b/drivers/staging/batman-adv/types.h @@ -83,6 +83,7 @@ struct neigh_node { struct bat_priv { struct net_device_stats stats; atomic_t aggregation_enabled; + atomic_t vis_mode; struct kobject *mesh_obj; }; diff --git a/drivers/staging/batman-adv/vis.c b/drivers/staging/batman-adv/vis.c index 0bfc083..5edeb32 100644 --- a/drivers/staging/batman-adv/vis.c +++ b/drivers/staging/batman-adv/vis.c @@ -102,7 +102,7 @@ static int vis_info_choose(void *data, int size) /* insert interface to the list of interfaces of one originator, if it * does not already exist in the list */ -void proc_vis_insert_interface(const uint8_t *interface, +static void vis_data_insert_interface(const uint8_t *interface, struct hlist_head *if_list, bool primary) { @@ -123,36 +123,119 @@ void proc_vis_insert_interface(const uint8_t *interface, hlist_add_head(&entry->list, if_list); } -void proc_vis_read_prim_sec(struct seq_file *seq, - struct hlist_head *if_list) +static ssize_t vis_data_read_prim_sec(char *buff, struct hlist_head *if_list) { struct if_list_entry *entry; struct hlist_node *pos; char tmp_addr_str[ETH_STR_LEN]; + size_t len = 0; hlist_for_each_entry(entry, pos, if_list, list) { if (entry->primary) - seq_printf(seq, "PRIMARY, "); + len += sprintf(buff + len, "PRIMARY, "); else { addr_to_string(tmp_addr_str, entry->addr); - seq_printf(seq, "SEC %s, ", tmp_addr_str); + len += sprintf(buff + len, "SEC %s, ", tmp_addr_str); } } + + return len; } /* read an entry */ -void proc_vis_read_entry(struct seq_file *seq, - struct vis_info_entry *entry, - uint8_t *src, - bool primary) +static ssize_t vis_data_read_entry(char *buff, struct vis_info_entry *entry, + uint8_t *src, bool primary) { char to[40]; addr_to_string(to, entry->dest); if (primary && entry->quality == 0) - seq_printf(seq, "HNA %s, ", to); + return sprintf(buff, "HNA %s, ", to); else if (compare_orig(entry->src, src)) - seq_printf(seq, "TQ %s %d, ", to, entry->quality); + return sprintf(buff, "TQ %s %d, ", to, entry->quality); + + return 0; +} + +ssize_t vis_fill_buffer_text(struct net_device *net_dev, char *buff, + size_t count, loff_t off) +{ + HASHIT(hashit); + struct vis_info *info; + struct vis_info_entry *entries; + struct bat_priv *bat_priv = netdev_priv(net_dev); + HLIST_HEAD(vis_if_list); + struct if_list_entry *entry; + struct hlist_node *pos, *n; + size_t hdr_len, tmp_len; + int i, bytes_written = 0; + char tmp_addr_str[ETH_STR_LEN]; + unsigned long flags; + int vis_server = atomic_read(&bat_priv->vis_mode); + + rcu_read_lock(); + if (list_empty(&if_list) || (vis_server == VIS_TYPE_CLIENT_UPDATE)) { + rcu_read_unlock(); + return 0; + } + + rcu_read_unlock(); + hdr_len = 0; + + 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)); + + /* estimated line length */ + if (count < bytes_written + 200) + break; + + for (i = 0; i < info->packet.entries; i++) { + if (entries[i].quality == 0) + continue; + vis_data_insert_interface(entries[i].src, &vis_if_list, + compare_orig(entries[i].src, + info->packet.vis_orig)); + } + + hlist_for_each_entry(entry, pos, &vis_if_list, list) { + addr_to_string(tmp_addr_str, entry->addr); + tmp_len = sprintf(buff + bytes_written, + "%s,", tmp_addr_str); + + for (i = 0; i < info->packet.entries; i++) + tmp_len += vis_data_read_entry( + buff + bytes_written + tmp_len, + &entries[i], entry->addr, + entry->primary); + + /* add primary/secondary records */ + if (compare_orig(entry->addr, info->packet.vis_orig)) + tmp_len += vis_data_read_prim_sec( + buff + bytes_written + tmp_len, + &vis_if_list); + + tmp_len += sprintf(buff + bytes_written + tmp_len, + "\n"); + + hdr_len += tmp_len; + + if (off >= hdr_len) + continue; + + bytes_written += tmp_len; + } + + hlist_for_each_entry_safe(entry, pos, n, &vis_if_list, list) { + hlist_del(&entry->list); + kfree(entry); + } + } + spin_unlock_irqrestore(&vis_hash_lock, flags); + + return bytes_written; } /* add the info packet to the send list, if it was not @@ -280,12 +363,14 @@ static struct vis_info *add_packet(struct vis_packet *vis_packet, } /* handle the server sync packet, forward if needed. */ -void receive_server_sync_packet(struct vis_packet *vis_packet, int vis_info_len) +void receive_server_sync_packet(struct bat_priv *bat_priv, + struct vis_packet *vis_packet, + int vis_info_len) { struct vis_info *info; int is_new, make_broadcast; unsigned long flags; - int vis_server = atomic_read(&vis_mode); + int vis_server = atomic_read(&bat_priv->vis_mode); make_broadcast = (vis_server == VIS_TYPE_SERVER_SYNC); @@ -303,13 +388,14 @@ end: } /* handle an incoming client update packet and schedule forward if needed. */ -void receive_client_update_packet(struct vis_packet *vis_packet, +void receive_client_update_packet(struct bat_priv *bat_priv, + struct vis_packet *vis_packet, int vis_info_len) { struct vis_info *info; int is_new; unsigned long flags; - int vis_server = atomic_read(&vis_mode); + int vis_server = atomic_read(&bat_priv->vis_mode); int are_target = 0; /* clients shall not broadcast. */ @@ -376,7 +462,7 @@ static bool vis_packet_full(struct vis_info *info) /* generates a packet of own vis data, * returns 0 on success, -1 if no packet could be generated */ -static int generate_vis_packet(void) +static int generate_vis_packet(struct bat_priv *bat_priv) { HASHIT(hashit_local); HASHIT(hashit_global); @@ -388,7 +474,7 @@ static int generate_vis_packet(void) unsigned long flags; info->first_seen = jiffies; - info->packet.vis_type = atomic_read(&vis_mode); + info->packet.vis_type = atomic_read(&bat_priv->vis_mode); spin_lock_irqsave(&orig_hash_lock, flags); memcpy(info->packet.target_orig, broadcastAddr, ETH_ALEN); @@ -568,12 +654,14 @@ static void send_vis_packets(struct work_struct *work) { struct vis_info *info, *temp; unsigned long flags; + /* FIXME: each batman_if will be attached to a softif */ + struct bat_priv *bat_priv = netdev_priv(soft_device); spin_lock_irqsave(&vis_hash_lock, flags); purge_vis_packets(); - if (generate_vis_packet() == 0) { + if (generate_vis_packet(bat_priv) == 0) { /* schedule if generation was successful */ send_list_add(my_vis_info); } diff --git a/drivers/staging/batman-adv/vis.h b/drivers/staging/batman-adv/vis.h index 4e417fb..9c1fd77 100644 --- a/drivers/staging/batman-adv/vis.h +++ b/drivers/staging/batman-adv/vis.h @@ -47,18 +47,13 @@ struct recvlist_node { extern struct hashtable_t *vis_hash; extern spinlock_t vis_hash_lock; -void proc_vis_insert_interface(const uint8_t *interface, - struct hlist_head *if_list, - bool primary); -void proc_vis_read_entry(struct seq_file *seq, - struct vis_info_entry *entry, - uint8_t *src, - bool primary); -void proc_vis_read_prim_sec(struct seq_file *seq, - struct hlist_head *if_list); -void receive_server_sync_packet(struct vis_packet *vis_packet, +ssize_t vis_fill_buffer_text(struct net_device *net_dev, char *buff, + size_t count, loff_t off); +void receive_server_sync_packet(struct bat_priv *bat_priv, + struct vis_packet *vis_packet, int vis_info_len); -void receive_client_update_packet(struct vis_packet *vis_packet, +void receive_client_update_packet(struct bat_priv *bat_priv, + struct vis_packet *vis_packet, int vis_info_len); int vis_init(void); void vis_quit(void);