batman-adv: move batadv_slide_own_bcast_window to bat_iv_ogm.c

batadv_slide_own_bcast_window() is used only in bat_iv_ogm.c
and it is currently touching only batman_iv specific
attributes.

Move it into bat_iv_ogm.c and make it static.

Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

3 files changed, 36 insertions, 31 deletions

diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 31c2891c2cd0..42b7a94d61b3 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -630,6 +630,41 @@ static void batadv_iv_ogm_forward(struct batadv_orig_node *orig_node,
                                 if_incoming, 0, batadv_iv_ogm_fwd_send_time());
 }
 
+/**
+ * batadv_iv_ogm_slide_own_bcast_window - bitshift own OGM broadcast windows for
+ * the given interface
+ * @hard_iface: the interface for which the windows have to be shifted
+ */
+static void
+batadv_iv_ogm_slide_own_bcast_window(struct batadv_hard_iface *hard_iface)
+{
+        struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
+        struct batadv_hashtable *hash = bat_priv->orig_hash;
+        struct hlist_head *head;
+        struct batadv_orig_node *orig_node;
+        unsigned long *word;
+        uint32_t i;
+        size_t word_index;
+        uint8_t *w;
+
+        for (i = 0; i < hash->size; i++) {
+                head = &hash->table[i];
+
+                rcu_read_lock();
+                hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
+                        spin_lock_bh(&orig_node->ogm_cnt_lock);
+                        word_index = hard_iface->if_num * BATADV_NUM_WORDS;
+                        word = &(orig_node->bcast_own[word_index]);
+
+                        batadv_bit_get_packet(bat_priv, word, 1, 0);
+                        w = &orig_node->bcast_own_sum[hard_iface->if_num];
+                        *w = bitmap_weight(word, BATADV_TQ_LOCAL_WINDOW_SIZE);
+                        spin_unlock_bh(&orig_node->ogm_cnt_lock);
+                }
+                rcu_read_unlock();
+        }
+}
+
 static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
 {
         struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
@@ -674,7 +709,7 @@ static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
                 batadv_ogm_packet->gw_flags = BATADV_NO_FLAGS;
         }
 
-        batadv_slide_own_bcast_window(hard_iface);
+        batadv_iv_ogm_slide_own_bcast_window(hard_iface);
         batadv_iv_ogm_queue_add(bat_priv, hard_iface->bat_iv.ogm_buff,
                                 hard_iface->bat_iv.ogm_buff_len, hard_iface, 1,
                                 batadv_iv_ogm_emit_send_time(bat_priv));
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index beeab2e8cd66..fad08469767d 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -34,35 +34,6 @@
 static int batadv_route_unicast_packet(struct sk_buff *skb,
                                        struct batadv_hard_iface *recv_if);
 
-void batadv_slide_own_bcast_window(struct batadv_hard_iface *hard_iface)
-{
-        struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
-        struct batadv_hashtable *hash = bat_priv->orig_hash;
-        struct hlist_head *head;
-        struct batadv_orig_node *orig_node;
-        unsigned long *word;
-        uint32_t i;
-        size_t word_index;
-        uint8_t *w;
-
-        for (i = 0; i < hash->size; i++) {
-                head = &hash->table[i];
-
-                rcu_read_lock();
-                hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
-                        spin_lock_bh(&orig_node->ogm_cnt_lock);
-                        word_index = hard_iface->if_num * BATADV_NUM_WORDS;
-                        word = &(orig_node->bcast_own[word_index]);
-
-                        batadv_bit_get_packet(bat_priv, word, 1, 0);
-                        w = &orig_node->bcast_own_sum[hard_iface->if_num];
-                        *w = bitmap_weight(word, BATADV_TQ_LOCAL_WINDOW_SIZE);
-                        spin_unlock_bh(&orig_node->ogm_cnt_lock);
-                }
-                rcu_read_unlock();
-        }
-}
-
 static void _batadv_update_route(struct batadv_priv *bat_priv,
                                  struct batadv_orig_node *orig_node,
                                  struct batadv_neigh_node *neigh_node)
diff --git a/net/batman-adv/routing.h b/net/batman-adv/routing.h
index 99eeafaba407..72a29bde2010 100644
--- a/net/batman-adv/routing.h
+++ b/net/batman-adv/routing.h
@@ -20,7 +20,6 @@
 #ifndef _NET_BATMAN_ADV_ROUTING_H_
 #define _NET_BATMAN_ADV_ROUTING_H_
 
-void batadv_slide_own_bcast_window(struct batadv_hard_iface *hard_iface);
 bool batadv_check_management_packet(struct sk_buff *skb,
                                     struct batadv_hard_iface *hard_iface,
                                     int header_len);