diff options
Diffstat (limited to 'net/batman-adv/vis.c')
| -rw-r--r-- | net/batman-adv/vis.c | 173 |
1 files changed, 90 insertions, 83 deletions
diff --git a/net/batman-adv/vis.c b/net/batman-adv/vis.c index 309493d9128..f09cc9ad6ad 100644 --- a/net/batman-adv/vis.c +++ b/net/batman-adv/vis.c @@ -28,14 +28,17 @@ #define BATADV_MAX_VIS_PACKET_SIZE 1000 -static void batadv_start_vis_timer(struct bat_priv *bat_priv); +static void batadv_start_vis_timer(struct batadv_priv *bat_priv); /* free the info */ static void batadv_free_info(struct kref *ref) { - struct vis_info *info = container_of(ref, struct vis_info, refcount); - struct bat_priv *bat_priv = info->bat_priv; - struct recvlist_node *entry, *tmp; + struct batadv_vis_info *info; + struct batadv_priv *bat_priv; + struct batadv_recvlist_node *entry, *tmp; + + info = container_of(ref, struct batadv_vis_info, refcount); + bat_priv = info->bat_priv; list_del_init(&info->send_list); spin_lock_bh(&bat_priv->vis_list_lock); @@ -52,10 +55,10 @@ static void batadv_free_info(struct kref *ref) /* Compare two vis packets, used by the hashing algorithm */ static int batadv_vis_info_cmp(const struct hlist_node *node, const void *data2) { - const struct vis_info *d1, *d2; + const struct batadv_vis_info *d1, *d2; const struct batadv_vis_packet *p1, *p2; - d1 = container_of(node, struct vis_info, hash_entry); + d1 = container_of(node, struct batadv_vis_info, hash_entry); d2 = data2; p1 = (struct batadv_vis_packet *)d1->skb_packet->data; p2 = (struct batadv_vis_packet *)d2->skb_packet->data; @@ -67,7 +70,7 @@ static int batadv_vis_info_cmp(const struct hlist_node *node, const void *data2) */ static uint32_t batadv_vis_info_choose(const void *data, uint32_t size) { - const struct vis_info *vis_info = data; + const struct batadv_vis_info *vis_info = data; const struct batadv_vis_packet *packet; const unsigned char *key; uint32_t hash = 0; @@ -88,13 +91,13 @@ static uint32_t batadv_vis_info_choose(const void *data, uint32_t size) return hash % size; } -static struct vis_info *batadv_vis_hash_find(struct bat_priv *bat_priv, - const void *data) +static struct batadv_vis_info * +batadv_vis_hash_find(struct batadv_priv *bat_priv, const void *data) { struct batadv_hashtable *hash = bat_priv->vis_hash; struct hlist_head *head; struct hlist_node *node; - struct vis_info *vis_info, *vis_info_tmp = NULL; + struct batadv_vis_info *vis_info, *vis_info_tmp = NULL; uint32_t index; if (!hash) @@ -123,7 +126,7 @@ static void batadv_vis_data_insert_interface(const uint8_t *interface, struct hlist_head *if_list, bool primary) { - struct if_list_entry *entry; + struct batadv_if_list_entry *entry; struct hlist_node *pos; hlist_for_each_entry(entry, pos, if_list, list) { @@ -143,7 +146,7 @@ static void batadv_vis_data_insert_interface(const uint8_t *interface, static void batadv_vis_data_read_prim_sec(struct seq_file *seq, const struct hlist_head *if_list) { - struct if_list_entry *entry; + struct batadv_if_list_entry *entry; struct hlist_node *pos; hlist_for_each_entry(entry, pos, if_list, list) { @@ -155,9 +158,10 @@ static void batadv_vis_data_read_prim_sec(struct seq_file *seq, } /* read an entry */ -static ssize_t batadv_vis_data_read_entry(struct seq_file *seq, - const struct vis_info_entry *entry, - const uint8_t *src, bool primary) +static ssize_t +batadv_vis_data_read_entry(struct seq_file *seq, + const struct batadv_vis_info_entry *entry, + const uint8_t *src, bool primary) { if (primary && entry->quality == 0) return seq_printf(seq, "TT %pM, ", entry->dest); @@ -168,9 +172,10 @@ static ssize_t batadv_vis_data_read_entry(struct seq_file *seq, return 0; } -static void batadv_vis_data_insert_interfaces(struct hlist_head *list, - struct batadv_vis_packet *packet, - struct vis_info_entry *entries) +static void +batadv_vis_data_insert_interfaces(struct hlist_head *list, + struct batadv_vis_packet *packet, + struct batadv_vis_info_entry *entries) { int i; @@ -188,10 +193,10 @@ static void batadv_vis_data_insert_interfaces(struct hlist_head *list, static void batadv_vis_data_read_entries(struct seq_file *seq, struct hlist_head *list, struct batadv_vis_packet *packet, - struct vis_info_entry *entries) + struct batadv_vis_info_entry *entries) { int i; - struct if_list_entry *entry; + struct batadv_if_list_entry *entry; struct hlist_node *pos; hlist_for_each_entry(entry, pos, list, list) { @@ -213,11 +218,11 @@ static void batadv_vis_seq_print_text_bucket(struct seq_file *seq, const struct hlist_head *head) { struct hlist_node *node; - struct vis_info *info; + struct batadv_vis_info *info; struct batadv_vis_packet *packet; uint8_t *entries_pos; - struct vis_info_entry *entries; - struct if_list_entry *entry; + struct batadv_vis_info_entry *entries; + struct batadv_if_list_entry *entry; struct hlist_node *pos, *n; HLIST_HEAD(vis_if_list); @@ -225,7 +230,7 @@ static void batadv_vis_seq_print_text_bucket(struct seq_file *seq, hlist_for_each_entry_rcu(info, node, head, hash_entry) { packet = (struct batadv_vis_packet *)info->skb_packet->data; entries_pos = (uint8_t *)packet + sizeof(*packet); - entries = (struct vis_info_entry *)entries_pos; + entries = (struct batadv_vis_info_entry *)entries_pos; batadv_vis_data_insert_interface(packet->vis_orig, &vis_if_list, true); @@ -243,10 +248,10 @@ static void batadv_vis_seq_print_text_bucket(struct seq_file *seq, int batadv_vis_seq_print_text(struct seq_file *seq, void *offset) { - struct hard_iface *primary_if; + struct batadv_hard_iface *primary_if; struct hlist_head *head; struct net_device *net_dev = (struct net_device *)seq->private; - struct bat_priv *bat_priv = netdev_priv(net_dev); + struct batadv_priv *bat_priv = netdev_priv(net_dev); struct batadv_hashtable *hash = bat_priv->vis_hash; uint32_t i; int ret = 0; @@ -275,8 +280,8 @@ out: /* add the info packet to the send list, if it was not * already linked in. */ -static void batadv_send_list_add(struct bat_priv *bat_priv, - struct vis_info *info) +static void batadv_send_list_add(struct batadv_priv *bat_priv, + struct batadv_vis_info *info) { if (list_empty(&info->send_list)) { kref_get(&info->refcount); @@ -287,7 +292,7 @@ static void batadv_send_list_add(struct bat_priv *bat_priv, /* delete the info packet from the send list, if it was * linked in. */ -static void batadv_send_list_del(struct vis_info *info) +static void batadv_send_list_del(struct batadv_vis_info *info) { if (!list_empty(&info->send_list)) { list_del_init(&info->send_list); @@ -296,10 +301,10 @@ static void batadv_send_list_del(struct vis_info *info) } /* tries to add one entry to the receive list. */ -static void batadv_recv_list_add(struct bat_priv *bat_priv, +static void batadv_recv_list_add(struct batadv_priv *bat_priv, struct list_head *recv_list, const char *mac) { - struct recvlist_node *entry; + struct batadv_recvlist_node *entry; entry = kmalloc(sizeof(*entry), GFP_ATOMIC); if (!entry) @@ -312,11 +317,11 @@ static void batadv_recv_list_add(struct bat_priv *bat_priv, } /* returns 1 if this mac is in the recv_list */ -static int batadv_recv_list_is_in(struct bat_priv *bat_priv, +static int batadv_recv_list_is_in(struct batadv_priv *bat_priv, const struct list_head *recv_list, const char *mac) { - const struct recvlist_node *entry; + const struct batadv_recvlist_node *entry; spin_lock_bh(&bat_priv->vis_list_lock); list_for_each_entry(entry, recv_list, list) { @@ -333,18 +338,19 @@ static int batadv_recv_list_is_in(struct bat_priv *bat_priv, * broken.. ). vis hash must be locked outside. is_new is set when the packet * is newer than old entries in the hash. */ -static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv, - struct batadv_vis_packet *vis_packet, - int vis_info_len, int *is_new, - int make_broadcast) +static struct batadv_vis_info * +batadv_add_packet(struct batadv_priv *bat_priv, + struct batadv_vis_packet *vis_packet, int vis_info_len, + int *is_new, int make_broadcast) { - struct vis_info *info, *old_info; + struct batadv_vis_info *info, *old_info; struct batadv_vis_packet *search_packet, *old_packet; - struct vis_info search_elem; + struct batadv_vis_info search_elem; struct batadv_vis_packet *packet; struct sk_buff *tmp_skb; int hash_added; size_t len; + size_t max_entries; *is_new = 0; /* sanity check */ @@ -413,8 +419,9 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv, memcpy(packet->target_orig, batadv_broadcast_addr, ETH_ALEN); /* repair if entries is longer than packet. */ - if (packet->entries * sizeof(struct vis_info_entry) > vis_info_len) - packet->entries = vis_info_len / sizeof(struct vis_info_entry); + max_entries = vis_info_len / sizeof(struct batadv_vis_info_entry); + if (packet->entries > max_entries) + packet->entries = max_entries; batadv_recv_list_add(bat_priv, &info->recv_list, packet->sender_orig); @@ -432,11 +439,11 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv, } /* handle the server sync packet, forward if needed. */ -void batadv_receive_server_sync_packet(struct bat_priv *bat_priv, +void batadv_receive_server_sync_packet(struct batadv_priv *bat_priv, struct batadv_vis_packet *vis_packet, int vis_info_len) { - struct vis_info *info; + struct batadv_vis_info *info; int is_new, make_broadcast; int vis_server = atomic_read(&bat_priv->vis_mode); @@ -458,11 +465,11 @@ end: } /* handle an incoming client update packet and schedule forward if needed. */ -void batadv_receive_client_update_packet(struct bat_priv *bat_priv, +void batadv_receive_client_update_packet(struct batadv_priv *bat_priv, struct batadv_vis_packet *vis_packet, int vis_info_len) { - struct vis_info *info; + struct batadv_vis_info *info; struct batadv_vis_packet *packet; int is_new; int vis_server = atomic_read(&bat_priv->vis_mode); @@ -506,14 +513,14 @@ end: * * Must be called with the originator hash locked */ -static int batadv_find_best_vis_server(struct bat_priv *bat_priv, - struct vis_info *info) +static int batadv_find_best_vis_server(struct batadv_priv *bat_priv, + struct batadv_vis_info *info) { struct batadv_hashtable *hash = bat_priv->orig_hash; - struct neigh_node *router; + struct batadv_neigh_node *router; struct hlist_node *node; struct hlist_head *head; - struct orig_node *orig_node; + struct batadv_orig_node *orig_node; struct batadv_vis_packet *packet; int best_tq = -1; uint32_t i; @@ -544,15 +551,15 @@ static int batadv_find_best_vis_server(struct bat_priv *bat_priv, } /* Return true if the vis packet is full. */ -static bool batadv_vis_packet_full(const struct vis_info *info) +static bool batadv_vis_packet_full(const struct batadv_vis_info *info) { const struct batadv_vis_packet *packet; - size_t num_items; + size_t num; packet = (struct batadv_vis_packet *)info->skb_packet->data; - num_items = BATADV_MAX_VIS_PACKET_SIZE / sizeof(struct vis_info_entry); + num = BATADV_MAX_VIS_PACKET_SIZE / sizeof(struct batadv_vis_info_entry); - if (num_items < packet->entries + 1) + if (num < packet->entries + 1) return true; return false; } @@ -560,17 +567,17 @@ static bool batadv_vis_packet_full(const struct vis_info *info) /* generates a packet of own vis data, * returns 0 on success, -1 if no packet could be generated */ -static int batadv_generate_vis_packet(struct bat_priv *bat_priv) +static int batadv_generate_vis_packet(struct batadv_priv *bat_priv) { struct batadv_hashtable *hash = bat_priv->orig_hash; struct hlist_node *node; struct hlist_head *head; - struct orig_node *orig_node; - struct neigh_node *router; - struct vis_info *info = bat_priv->my_vis_info; + struct batadv_orig_node *orig_node; + struct batadv_neigh_node *router; + struct batadv_vis_info *info = bat_priv->my_vis_info; struct batadv_vis_packet *packet; - struct vis_info_entry *entry; - struct tt_common_entry *tt_common_entry; + struct batadv_vis_info_entry *entry; + struct batadv_tt_common_entry *tt_common_entry; int best_tq = -1; uint32_t i; @@ -610,7 +617,7 @@ static int batadv_generate_vis_packet(struct bat_priv *bat_priv) goto next; /* fill one entry into buffer. */ - entry = (struct vis_info_entry *) + entry = (struct batadv_vis_info_entry *) skb_put(info->skb_packet, sizeof(*entry)); memcpy(entry->src, router->if_incoming->net_dev->dev_addr, @@ -636,7 +643,7 @@ next: rcu_read_lock(); hlist_for_each_entry_rcu(tt_common_entry, node, head, hash_entry) { - entry = (struct vis_info_entry *) + entry = (struct batadv_vis_info_entry *) skb_put(info->skb_packet, sizeof(*entry)); memset(entry->src, 0, ETH_ALEN); @@ -660,13 +667,13 @@ unlock: /* free old vis packets. Must be called with this vis_hash_lock * held */ -static void batadv_purge_vis_packets(struct bat_priv *bat_priv) +static void batadv_purge_vis_packets(struct batadv_priv *bat_priv) { uint32_t i; struct batadv_hashtable *hash = bat_priv->vis_hash; struct hlist_node *node, *node_tmp; struct hlist_head *head; - struct vis_info *info; + struct batadv_vis_info *info; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -687,17 +694,17 @@ static void batadv_purge_vis_packets(struct bat_priv *bat_priv) } } -static void batadv_broadcast_vis_packet(struct bat_priv *bat_priv, - struct vis_info *info) +static void batadv_broadcast_vis_packet(struct batadv_priv *bat_priv, + struct batadv_vis_info *info) { - struct neigh_node *router; + struct batadv_neigh_node *router; struct batadv_hashtable *hash = bat_priv->orig_hash; struct hlist_node *node; struct hlist_head *head; - struct orig_node *orig_node; + struct batadv_orig_node *orig_node; struct batadv_vis_packet *packet; struct sk_buff *skb; - struct hard_iface *hard_iface; + struct batadv_hard_iface *hard_iface; uint8_t dstaddr[ETH_ALEN]; uint32_t i; @@ -743,11 +750,11 @@ static void batadv_broadcast_vis_packet(struct bat_priv *bat_priv, } } -static void batadv_unicast_vis_packet(struct bat_priv *bat_priv, - struct vis_info *info) +static void batadv_unicast_vis_packet(struct batadv_priv *bat_priv, + struct batadv_vis_info *info) { - struct orig_node *orig_node; - struct neigh_node *router = NULL; + struct batadv_orig_node *orig_node; + struct batadv_neigh_node *router = NULL; struct sk_buff *skb; struct batadv_vis_packet *packet; @@ -773,10 +780,10 @@ out: } /* only send one vis packet. called from batadv_send_vis_packets() */ -static void batadv_send_vis_packet(struct bat_priv *bat_priv, - struct vis_info *info) +static void batadv_send_vis_packet(struct batadv_priv *bat_priv, + struct batadv_vis_info *info) { - struct hard_iface *primary_if; + struct batadv_hard_iface *primary_if; struct batadv_vis_packet *packet; primary_if = batadv_primary_if_get_selected(bat_priv); @@ -808,10 +815,10 @@ static void batadv_send_vis_packets(struct work_struct *work) { struct delayed_work *delayed_work = container_of(work, struct delayed_work, work); - struct bat_priv *bat_priv = - container_of(delayed_work, struct bat_priv, vis_work); - struct vis_info *info; + struct batadv_priv *bat_priv; + struct batadv_vis_info *info; + bat_priv = container_of(delayed_work, struct batadv_priv, vis_work); spin_lock_bh(&bat_priv->vis_hash_lock); batadv_purge_vis_packets(bat_priv); @@ -840,7 +847,7 @@ static void batadv_send_vis_packets(struct work_struct *work) /* init the vis server. this may only be called when if_list is already * initialized (e.g. bat0 is initialized, interfaces have been added) */ -int batadv_vis_init(struct bat_priv *bat_priv) +int batadv_vis_init(struct batadv_priv *bat_priv) { struct batadv_vis_packet *packet; int hash_added; @@ -914,15 +921,15 @@ err: /* Decrease the reference count on a hash item info */ static void batadv_free_info_ref(struct hlist_node *node, void *arg) { - struct vis_info *info; + struct batadv_vis_info *info; - info = container_of(node, struct vis_info, hash_entry); + info = container_of(node, struct batadv_vis_info, hash_entry); batadv_send_list_del(info); kref_put(&info->refcount, batadv_free_info); } /* shutdown vis-server */ -void batadv_vis_quit(struct bat_priv *bat_priv) +void batadv_vis_quit(struct batadv_priv *bat_priv) { if (!bat_priv->vis_hash) return; @@ -938,7 +945,7 @@ void batadv_vis_quit(struct bat_priv *bat_priv) } /* schedule packets for (re)transmission */ -static void batadv_start_vis_timer(struct bat_priv *bat_priv) +static void batadv_start_vis_timer(struct batadv_priv *bat_priv) { INIT_DELAYED_WORK(&bat_priv->vis_work, batadv_send_vis_packets); queue_delayed_work(batadv_event_workqueue, &bat_priv->vis_work, |