batman-adv: Prefix vis local static functions with batadv_
All non-static symbols of batman-adv were prefixed with batadv_ to avoid collisions with other symbols of the kernel. Other symbols of batman-adv should use the same prefix to keep the naming scheme consistent. Signed-off-by: Sven Eckelmann <sven@narfation.org>
This commit is contained in:
Sven Eckelmann
Antonio Quartulli
parent
0354440ba1
commit
eaad8ad953
@ -28,10 +28,10 @@
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#define MAX_VIS_PACKET_SIZE 1000
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static void start_vis_timer(struct bat_priv *bat_priv);
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static void batadv_start_vis_timer(struct bat_priv *bat_priv);
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/* free the info */
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static void free_info(struct kref *ref)
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static void batadv_free_info(struct kref *ref)
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{
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struct vis_info *info = container_of(ref, struct vis_info, refcount);
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struct bat_priv *bat_priv = info->bat_priv;
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@ -50,7 +50,7 @@ static void free_info(struct kref *ref)
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}
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/* Compare two vis packets, used by the hashing algorithm */
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static int vis_info_cmp(const struct hlist_node *node, const void *data2)
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static int batadv_vis_info_cmp(const struct hlist_node *node, const void *data2)
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{
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const struct vis_info *d1, *d2;
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const struct vis_packet *p1, *p2;
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@ -65,7 +65,7 @@ static int vis_info_cmp(const struct hlist_node *node, const void *data2)
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/* hash function to choose an entry in a hash table of given size
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* hash algorithm from http://en.wikipedia.org/wiki/Hash_table
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*/
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static uint32_t vis_info_choose(const void *data, uint32_t size)
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static uint32_t batadv_vis_info_choose(const void *data, uint32_t size)
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{
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const struct vis_info *vis_info = data;
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const struct vis_packet *packet;
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@ -88,8 +88,8 @@ static uint32_t vis_info_choose(const void *data, uint32_t size)
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return hash % size;
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}
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static struct vis_info *vis_hash_find(struct bat_priv *bat_priv,
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const void *data)
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static struct vis_info *batadv_vis_hash_find(struct bat_priv *bat_priv,
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const void *data)
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{
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struct hashtable_t *hash = bat_priv->vis_hash;
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struct hlist_head *head;
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@ -100,12 +100,12 @@ static struct vis_info *vis_hash_find(struct bat_priv *bat_priv,
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if (!hash)
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return NULL;
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index = vis_info_choose(data, hash->size);
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index = batadv_vis_info_choose(data, hash->size);
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head = &hash->table[index];
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rcu_read_lock();
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hlist_for_each_entry_rcu(vis_info, node, head, hash_entry) {
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if (!vis_info_cmp(node, data))
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if (!batadv_vis_info_cmp(node, data))
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continue;
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vis_info_tmp = vis_info;
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@ -119,9 +119,9 @@ static struct vis_info *vis_hash_find(struct bat_priv *bat_priv,
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/* insert interface to the list of interfaces of one originator, if it
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* does not already exist in the list
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*/
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static void vis_data_insert_interface(const uint8_t *interface,
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struct hlist_head *if_list,
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bool primary)
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static void batadv_vis_data_insert_interface(const uint8_t *interface,
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struct hlist_head *if_list,
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bool primary)
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{
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struct if_list_entry *entry;
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struct hlist_node *pos;
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@ -140,8 +140,7 @@ static void vis_data_insert_interface(const uint8_t *interface,
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hlist_add_head(&entry->list, if_list);
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}
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static ssize_t vis_data_read_prim_sec(char *buff,
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const struct hlist_head *if_list)
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static ssize_t batadv_vis_prim_sec(char *buff, const struct hlist_head *if_list)
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{
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struct if_list_entry *entry;
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struct hlist_node *pos;
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@ -157,7 +156,7 @@ static ssize_t vis_data_read_prim_sec(char *buff,
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return len;
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}
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static size_t vis_data_count_prim_sec(struct hlist_head *if_list)
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static size_t batadv_vis_cnt_prim_sec(struct hlist_head *if_list)
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{
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struct if_list_entry *entry;
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struct hlist_node *pos;
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@ -174,9 +173,9 @@ static size_t vis_data_count_prim_sec(struct hlist_head *if_list)
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}
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/* read an entry */
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static ssize_t vis_data_read_entry(char *buff,
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const struct vis_info_entry *entry,
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const uint8_t *src, bool primary)
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static ssize_t batadv_vis_data_read_entry(char *buff,
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const struct vis_info_entry *entry,
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const uint8_t *src, bool primary)
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{
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/* maximal length: max(4+17+2, 3+17+1+3+2) == 26 */
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if (primary && entry->quality == 0)
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@ -227,8 +226,8 @@ int batadv_vis_seq_print_text(struct seq_file *seq, void *offset)
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entries = (struct vis_info_entry *)
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((char *)packet + sizeof(*packet));
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vis_data_insert_interface(packet->vis_orig,
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&vis_if_list, true);
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batadv_vis_data_insert_interface(packet->vis_orig,
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&vis_if_list, true);
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for (j = 0; j < packet->entries; j++) {
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if (entries[j].quality == 0)
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@ -236,9 +235,9 @@ int batadv_vis_seq_print_text(struct seq_file *seq, void *offset)
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if (batadv_compare_eth(entries[j].src,
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packet->vis_orig))
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continue;
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vis_data_insert_interface(entries[j].src,
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&vis_if_list,
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false);
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batadv_vis_data_insert_interface(entries[j].src,
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&vis_if_list,
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false);
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}
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hlist_for_each_entry(entry, pos, &vis_if_list, list) {
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@ -248,7 +247,7 @@ int batadv_vis_seq_print_text(struct seq_file *seq, void *offset)
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if (batadv_compare_eth(entry->addr,
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packet->vis_orig))
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buf_size +=
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vis_data_count_prim_sec(&vis_if_list);
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batadv_vis_cnt_prim_sec(&vis_if_list);
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buf_size += 1;
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}
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@ -280,8 +279,8 @@ int batadv_vis_seq_print_text(struct seq_file *seq, void *offset)
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entries = (struct vis_info_entry *)
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((char *)packet + sizeof(*packet));
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vis_data_insert_interface(packet->vis_orig,
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&vis_if_list, true);
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batadv_vis_data_insert_interface(packet->vis_orig,
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&vis_if_list, true);
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for (j = 0; j < packet->entries; j++) {
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if (entries[j].quality == 0)
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@ -289,9 +288,9 @@ int batadv_vis_seq_print_text(struct seq_file *seq, void *offset)
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if (batadv_compare_eth(entries[j].src,
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packet->vis_orig))
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continue;
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vis_data_insert_interface(entries[j].src,
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&vis_if_list,
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false);
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batadv_vis_data_insert_interface(entries[j].src,
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&vis_if_list,
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false);
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}
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hlist_for_each_entry(entry, pos, &vis_if_list, list) {
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@ -299,7 +298,7 @@ int batadv_vis_seq_print_text(struct seq_file *seq, void *offset)
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entry->addr);
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for (j = 0; j < packet->entries; j++)
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buff_pos += vis_data_read_entry(
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buff_pos += batadv_vis_data_read_entry(
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buff + buff_pos,
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&entries[j],
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entry->addr,
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@ -309,8 +308,8 @@ int batadv_vis_seq_print_text(struct seq_file *seq, void *offset)
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if (batadv_compare_eth(entry->addr,
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packet->vis_orig))
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buff_pos +=
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vis_data_read_prim_sec(buff + buff_pos,
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&vis_if_list);
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batadv_vis_prim_sec(buff + buff_pos,
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&vis_if_list);
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buff_pos += sprintf(buff + buff_pos, "\n");
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}
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@ -338,7 +337,8 @@ out:
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/* add the info packet to the send list, if it was not
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* already linked in.
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*/
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static void send_list_add(struct bat_priv *bat_priv, struct vis_info *info)
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static void batadv_send_list_add(struct bat_priv *bat_priv,
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struct vis_info *info)
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{
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if (list_empty(&info->send_list)) {
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kref_get(&info->refcount);
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@ -349,17 +349,17 @@ static void send_list_add(struct bat_priv *bat_priv, struct vis_info *info)
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/* delete the info packet from the send list, if it was
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* linked in.
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*/
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static void send_list_del(struct vis_info *info)
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static void batadv_send_list_del(struct vis_info *info)
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{
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if (!list_empty(&info->send_list)) {
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list_del_init(&info->send_list);
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kref_put(&info->refcount, free_info);
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kref_put(&info->refcount, batadv_free_info);
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}
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}
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/* tries to add one entry to the receive list. */
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static void recv_list_add(struct bat_priv *bat_priv,
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struct list_head *recv_list, const char *mac)
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static void batadv_recv_list_add(struct bat_priv *bat_priv,
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struct list_head *recv_list, const char *mac)
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{
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struct recvlist_node *entry;
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@ -374,8 +374,9 @@ static void recv_list_add(struct bat_priv *bat_priv,
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}
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/* returns 1 if this mac is in the recv_list */
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static int recv_list_is_in(struct bat_priv *bat_priv,
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const struct list_head *recv_list, const char *mac)
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static int batadv_recv_list_is_in(struct bat_priv *bat_priv,
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const struct list_head *recv_list,
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const char *mac)
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{
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const struct recvlist_node *entry;
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@ -394,10 +395,10 @@ static int recv_list_is_in(struct bat_priv *bat_priv,
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* broken.. ). vis hash must be locked outside. is_new is set when the packet
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* is newer than old entries in the hash.
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*/
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static struct vis_info *add_packet(struct bat_priv *bat_priv,
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struct vis_packet *vis_packet,
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int vis_info_len, int *is_new,
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int make_broadcast)
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static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
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struct vis_packet *vis_packet,
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int vis_info_len, int *is_new,
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int make_broadcast)
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{
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struct vis_info *info, *old_info;
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struct vis_packet *search_packet, *old_packet;
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@ -418,7 +419,7 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv,
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sizeof(*search_packet));
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memcpy(search_packet->vis_orig, vis_packet->vis_orig, ETH_ALEN);
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old_info = vis_hash_find(bat_priv, &search_elem);
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old_info = batadv_vis_hash_find(bat_priv, &search_elem);
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kfree_skb(search_elem.skb_packet);
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if (old_info) {
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@ -426,8 +427,9 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv,
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if (!seq_after(ntohl(vis_packet->seqno),
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ntohl(old_packet->seqno))) {
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if (old_packet->seqno == vis_packet->seqno) {
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recv_list_add(bat_priv, &old_info->recv_list,
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vis_packet->sender_orig);
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batadv_recv_list_add(bat_priv,
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&old_info->recv_list,
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vis_packet->sender_orig);
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return old_info;
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} else {
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/* newer packet is already in hash. */
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@ -435,10 +437,10 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv,
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}
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}
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/* remove old entry */
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batadv_hash_remove(bat_priv->vis_hash, vis_info_cmp,
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vis_info_choose, old_info);
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send_list_del(old_info);
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kref_put(&old_info->refcount, free_info);
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batadv_hash_remove(bat_priv->vis_hash, batadv_vis_info_cmp,
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batadv_vis_info_choose, old_info);
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batadv_send_list_del(old_info);
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kref_put(&old_info->refcount, batadv_free_info);
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}
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info = kmalloc(sizeof(*info), GFP_ATOMIC);
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@ -473,14 +475,15 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv,
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if (packet->entries * sizeof(struct vis_info_entry) > vis_info_len)
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packet->entries = vis_info_len / sizeof(struct vis_info_entry);
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recv_list_add(bat_priv, &info->recv_list, packet->sender_orig);
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batadv_recv_list_add(bat_priv, &info->recv_list, packet->sender_orig);
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/* try to add it */
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hash_added = batadv_hash_add(bat_priv->vis_hash, vis_info_cmp,
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vis_info_choose, info, &info->hash_entry);
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hash_added = batadv_hash_add(bat_priv->vis_hash, batadv_vis_info_cmp,
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batadv_vis_info_choose, info,
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&info->hash_entry);
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if (hash_added != 0) {
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/* did not work (for some reason) */
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kref_put(&info->refcount, free_info);
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kref_put(&info->refcount, batadv_free_info);
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info = NULL;
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}
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@ -499,8 +502,8 @@ void batadv_receive_server_sync_packet(struct bat_priv *bat_priv,
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make_broadcast = (vis_server == VIS_TYPE_SERVER_SYNC);
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spin_lock_bh(&bat_priv->vis_hash_lock);
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info = add_packet(bat_priv, vis_packet, vis_info_len,
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&is_new, make_broadcast);
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info = batadv_add_packet(bat_priv, vis_packet, vis_info_len,
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&is_new, make_broadcast);
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if (!info)
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goto end;
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@ -508,7 +511,7 @@ void batadv_receive_server_sync_packet(struct bat_priv *bat_priv,
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* hash.
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*/
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if (vis_server == VIS_TYPE_SERVER_SYNC && is_new)
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send_list_add(bat_priv, info);
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batadv_send_list_add(bat_priv, info);
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end:
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spin_unlock_bh(&bat_priv->vis_hash_lock);
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}
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@ -534,8 +537,8 @@ void batadv_receive_client_update_packet(struct bat_priv *bat_priv,
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are_target = 1;
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spin_lock_bh(&bat_priv->vis_hash_lock);
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info = add_packet(bat_priv, vis_packet, vis_info_len,
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&is_new, are_target);
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info = batadv_add_packet(bat_priv, vis_packet, vis_info_len,
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&is_new, are_target);
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if (!info)
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goto end;
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@ -546,11 +549,11 @@ void batadv_receive_client_update_packet(struct bat_priv *bat_priv,
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/* send only if we're the target server or ... */
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if (are_target && is_new) {
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packet->vis_type = VIS_TYPE_SERVER_SYNC; /* upgrade! */
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send_list_add(bat_priv, info);
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batadv_send_list_add(bat_priv, info);
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/* ... we're not the recipient (and thus need to forward). */
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} else if (!batadv_is_my_mac(packet->target_orig)) {
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send_list_add(bat_priv, info);
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batadv_send_list_add(bat_priv, info);
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}
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end:
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@ -562,8 +565,8 @@ end:
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*
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* Must be called with the originator hash locked
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*/
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static int find_best_vis_server(struct bat_priv *bat_priv,
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struct vis_info *info)
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static int batadv_find_best_vis_server(struct bat_priv *bat_priv,
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struct vis_info *info)
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{
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struct hashtable_t *hash = bat_priv->orig_hash;
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struct neigh_node *router;
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@ -600,7 +603,7 @@ static int find_best_vis_server(struct bat_priv *bat_priv,
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}
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/* Return true if the vis packet is full. */
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static bool vis_packet_full(const struct vis_info *info)
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static bool batadv_vis_packet_full(const struct vis_info *info)
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{
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const struct vis_packet *packet;
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packet = (struct vis_packet *)info->skb_packet->data;
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@ -614,7 +617,7 @@ static bool vis_packet_full(const struct vis_info *info)
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/* generates a packet of own vis data,
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* returns 0 on success, -1 if no packet could be generated
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*/
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static int generate_vis_packet(struct bat_priv *bat_priv)
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static int batadv_generate_vis_packet(struct bat_priv *bat_priv)
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{
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struct hashtable_t *hash = bat_priv->orig_hash;
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struct hlist_node *node;
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@ -638,7 +641,7 @@ static int generate_vis_packet(struct bat_priv *bat_priv)
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skb_trim(info->skb_packet, sizeof(*packet));
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if (packet->vis_type == VIS_TYPE_CLIENT_UPDATE) {
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best_tq = find_best_vis_server(bat_priv, info);
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best_tq = batadv_find_best_vis_server(bat_priv, info);
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if (best_tq < 0)
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return best_tq;
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@ -675,7 +678,7 @@ static int generate_vis_packet(struct bat_priv *bat_priv)
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next:
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batadv_neigh_node_free_ref(router);
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if (vis_packet_full(info))
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if (batadv_vis_packet_full(info))
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goto unlock;
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}
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rcu_read_unlock();
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@ -697,7 +700,7 @@ next:
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entry->quality = 0; /* 0 means TT */
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packet->entries++;
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if (vis_packet_full(info))
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if (batadv_vis_packet_full(info))
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goto unlock;
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}
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rcu_read_unlock();
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@ -713,7 +716,7 @@ unlock:
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/* free old vis packets. Must be called with this vis_hash_lock
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* held
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*/
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static void purge_vis_packets(struct bat_priv *bat_priv)
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static void batadv_purge_vis_packets(struct bat_priv *bat_priv)
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{
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uint32_t i;
|
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struct hashtable_t *hash = bat_priv->vis_hash;
|
||||
@ -733,15 +736,15 @@ static void purge_vis_packets(struct bat_priv *bat_priv)
|
||||
if (batadv_has_timed_out(info->first_seen,
|
||||
VIS_TIMEOUT)) {
|
||||
hlist_del(node);
|
||||
send_list_del(info);
|
||||
kref_put(&info->refcount, free_info);
|
||||
batadv_send_list_del(info);
|
||||
kref_put(&info->refcount, batadv_free_info);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void broadcast_vis_packet(struct bat_priv *bat_priv,
|
||||
struct vis_info *info)
|
||||
static void batadv_broadcast_vis_packet(struct bat_priv *bat_priv,
|
||||
struct vis_info *info)
|
||||
{
|
||||
struct neigh_node *router;
|
||||
struct hashtable_t *hash = bat_priv->orig_hash;
|
||||
@ -774,8 +777,8 @@ static void broadcast_vis_packet(struct bat_priv *bat_priv,
|
||||
/* don't send it if we already received the packet from
|
||||
* this node.
|
||||
*/
|
||||
if (recv_list_is_in(bat_priv, &info->recv_list,
|
||||
orig_node->orig)) {
|
||||
if (batadv_recv_list_is_in(bat_priv, &info->recv_list,
|
||||
orig_node->orig)) {
|
||||
batadv_neigh_node_free_ref(router);
|
||||
continue;
|
||||
}
|
||||
@ -796,8 +799,8 @@ static void broadcast_vis_packet(struct bat_priv *bat_priv,
|
||||
}
|
||||
}
|
||||
|
||||
static void unicast_vis_packet(struct bat_priv *bat_priv,
|
||||
struct vis_info *info)
|
||||
static void batadv_unicast_vis_packet(struct bat_priv *bat_priv,
|
||||
struct vis_info *info)
|
||||
{
|
||||
struct orig_node *orig_node;
|
||||
struct neigh_node *router = NULL;
|
||||
@ -825,8 +828,9 @@ out:
|
||||
batadv_orig_node_free_ref(orig_node);
|
||||
}
|
||||
|
||||
/* only send one vis packet. called from send_vis_packets() */
|
||||
static void send_vis_packet(struct bat_priv *bat_priv, struct vis_info *info)
|
||||
/* 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)
|
||||
{
|
||||
struct hard_iface *primary_if;
|
||||
struct vis_packet *packet;
|
||||
@ -845,9 +849,9 @@ static void send_vis_packet(struct bat_priv *bat_priv, struct vis_info *info)
|
||||
packet->header.ttl--;
|
||||
|
||||
if (is_broadcast_ether_addr(packet->target_orig))
|
||||
broadcast_vis_packet(bat_priv, info);
|
||||
batadv_broadcast_vis_packet(bat_priv, info);
|
||||
else
|
||||
unicast_vis_packet(bat_priv, info);
|
||||
batadv_unicast_vis_packet(bat_priv, info);
|
||||
packet->header.ttl++; /* restore TTL */
|
||||
|
||||
out:
|
||||
@ -856,7 +860,7 @@ out:
|
||||
}
|
||||
|
||||
/* called from timer; send (and maybe generate) vis packet. */
|
||||
static void send_vis_packets(struct work_struct *work)
|
||||
static void batadv_send_vis_packets(struct work_struct *work)
|
||||
{
|
||||
struct delayed_work *delayed_work =
|
||||
container_of(work, struct delayed_work, work);
|
||||
@ -865,11 +869,11 @@ static void send_vis_packets(struct work_struct *work)
|
||||
struct vis_info *info;
|
||||
|
||||
spin_lock_bh(&bat_priv->vis_hash_lock);
|
||||
purge_vis_packets(bat_priv);
|
||||
batadv_purge_vis_packets(bat_priv);
|
||||
|
||||
if (generate_vis_packet(bat_priv) == 0) {
|
||||
if (batadv_generate_vis_packet(bat_priv) == 0) {
|
||||
/* schedule if generation was successful */
|
||||
send_list_add(bat_priv, bat_priv->my_vis_info);
|
||||
batadv_send_list_add(bat_priv, bat_priv->my_vis_info);
|
||||
}
|
||||
|
||||
while (!list_empty(&bat_priv->vis_send_list)) {
|
||||
@ -879,14 +883,14 @@ static void send_vis_packets(struct work_struct *work)
|
||||
kref_get(&info->refcount);
|
||||
spin_unlock_bh(&bat_priv->vis_hash_lock);
|
||||
|
||||
send_vis_packet(bat_priv, info);
|
||||
batadv_send_vis_packet(bat_priv, info);
|
||||
|
||||
spin_lock_bh(&bat_priv->vis_hash_lock);
|
||||
send_list_del(info);
|
||||
kref_put(&info->refcount, free_info);
|
||||
batadv_send_list_del(info);
|
||||
kref_put(&info->refcount, batadv_free_info);
|
||||
}
|
||||
spin_unlock_bh(&bat_priv->vis_hash_lock);
|
||||
start_vis_timer(bat_priv);
|
||||
batadv_start_vis_timer(bat_priv);
|
||||
}
|
||||
|
||||
/* init the vis server. this may only be called when if_list is already
|
||||
@ -937,18 +941,19 @@ int batadv_vis_init(struct bat_priv *bat_priv)
|
||||
|
||||
INIT_LIST_HEAD(&bat_priv->vis_send_list);
|
||||
|
||||
hash_added = batadv_hash_add(bat_priv->vis_hash, vis_info_cmp,
|
||||
vis_info_choose, bat_priv->my_vis_info,
|
||||
hash_added = batadv_hash_add(bat_priv->vis_hash, batadv_vis_info_cmp,
|
||||
batadv_vis_info_choose,
|
||||
bat_priv->my_vis_info,
|
||||
&bat_priv->my_vis_info->hash_entry);
|
||||
if (hash_added != 0) {
|
||||
pr_err("Can't add own vis packet into hash\n");
|
||||
/* not in hash, need to remove it manually. */
|
||||
kref_put(&bat_priv->my_vis_info->refcount, free_info);
|
||||
kref_put(&bat_priv->my_vis_info->refcount, batadv_free_info);
|
||||
goto err;
|
||||
}
|
||||
|
||||
spin_unlock_bh(&bat_priv->vis_hash_lock);
|
||||
start_vis_timer(bat_priv);
|
||||
batadv_start_vis_timer(bat_priv);
|
||||
return 0;
|
||||
|
||||
free_info:
|
||||
@ -961,13 +966,13 @@ err:
|
||||
}
|
||||
|
||||
/* Decrease the reference count on a hash item info */
|
||||
static void free_info_ref(struct hlist_node *node, void *arg)
|
||||
static void batadv_free_info_ref(struct hlist_node *node, void *arg)
|
||||
{
|
||||
struct vis_info *info;
|
||||
|
||||
info = container_of(node, struct vis_info, hash_entry);
|
||||
send_list_del(info);
|
||||
kref_put(&info->refcount, free_info);
|
||||
batadv_send_list_del(info);
|
||||
kref_put(&info->refcount, batadv_free_info);
|
||||
}
|
||||
|
||||
/* shutdown vis-server */
|
||||
@ -980,16 +985,16 @@ void batadv_vis_quit(struct bat_priv *bat_priv)
|
||||
|
||||
spin_lock_bh(&bat_priv->vis_hash_lock);
|
||||
/* properly remove, kill timers ... */
|
||||
batadv_hash_delete(bat_priv->vis_hash, free_info_ref, NULL);
|
||||
batadv_hash_delete(bat_priv->vis_hash, batadv_free_info_ref, NULL);
|
||||
bat_priv->vis_hash = NULL;
|
||||
bat_priv->my_vis_info = NULL;
|
||||
spin_unlock_bh(&bat_priv->vis_hash_lock);
|
||||
}
|
||||
|
||||
/* schedule packets for (re)transmission */
|
||||
static void start_vis_timer(struct bat_priv *bat_priv)
|
||||
static void batadv_start_vis_timer(struct bat_priv *bat_priv)
|
||||
{
|
||||
INIT_DELAYED_WORK(&bat_priv->vis_work, send_vis_packets);
|
||||
INIT_DELAYED_WORK(&bat_priv->vis_work, batadv_send_vis_packets);
|
||||
queue_delayed_work(batadv_event_workqueue, &bat_priv->vis_work,
|
||||
msecs_to_jiffies(VIS_INTERVAL));
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user