mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/net/batman-adv/originator.h
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@@ -1,19 +1,7 @@
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 /* SPDX-License-Identifier: GPL-2.0 */
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-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
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+/* Copyright (C) 2007-2020  B.A.T.M.A.N. contributors:
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  *
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  * Marek Lindner, Simon Wunderlich
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of version 2 of the GNU General Public
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- * License as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- * General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, see <http://www.gnu.org/licenses/>.
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  */
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 #ifndef _NET_BATMAN_ADV_ORIGINATOR_H_
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@@ -24,29 +12,28 @@
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 #include <linux/compiler.h>
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 #include <linux/if_ether.h>
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 #include <linux/jhash.h>
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+#include <linux/kref.h>
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+#include <linux/netlink.h>
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+#include <linux/seq_file.h>
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+#include <linux/skbuff.h>
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 #include <linux/types.h>
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-
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-struct netlink_callback;
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-struct seq_file;
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-struct sk_buff;
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 bool batadv_compare_orig(const struct hlist_node *node, const void *data2);
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 int batadv_originator_init(struct batadv_priv *bat_priv);
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 void batadv_originator_free(struct batadv_priv *bat_priv);
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 void batadv_purge_orig_ref(struct batadv_priv *bat_priv);
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-void batadv_orig_node_put(struct batadv_orig_node *orig_node);
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+void batadv_orig_node_release(struct kref *ref);
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 struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv,
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 					      const u8 *addr);
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 struct batadv_hardif_neigh_node *
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 batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
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 			const u8 *neigh_addr);
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-void
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-batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh);
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+void batadv_hardif_neigh_release(struct kref *ref);
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 struct batadv_neigh_node *
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 batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node,
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 				struct batadv_hard_iface *hard_iface,
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 				const u8 *neigh_addr);
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-void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node);
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+void batadv_neigh_node_release(struct kref *ref);
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 struct batadv_neigh_node *
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 batadv_orig_router_get(struct batadv_orig_node *orig_node,
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 		       const struct batadv_hard_iface *if_outgoing);
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@@ -56,7 +43,7 @@
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 struct batadv_neigh_ifinfo *
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 batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh,
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 			struct batadv_hard_iface *if_outgoing);
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-void batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo);
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+void batadv_neigh_ifinfo_release(struct kref *ref);
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 int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb);
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 int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset);
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@@ -67,22 +54,18 @@
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 struct batadv_orig_ifinfo *
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 batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node,
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 		       struct batadv_hard_iface *if_outgoing);
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-void batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo);
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+void batadv_orig_ifinfo_release(struct kref *ref);
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 int batadv_orig_seq_print_text(struct seq_file *seq, void *offset);
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 int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb);
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 int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset);
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-int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface,
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-			    unsigned int max_if_num);
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-int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface,
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-			    unsigned int max_if_num);
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 struct batadv_orig_node_vlan *
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 batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
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 			  unsigned short vid);
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 struct batadv_orig_node_vlan *
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 batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node,
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 			  unsigned short vid);
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-void batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan);
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+void batadv_orig_node_vlan_release(struct kref *ref);
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 /**
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  * batadv_choose_orig() - Return the index of the orig entry in the hash table
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@@ -103,4 +86,86 @@
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 struct batadv_orig_node *
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 batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data);
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+/**
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+ * batadv_orig_node_vlan_put() - decrement the refcounter and possibly release
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+ *  the originator-vlan object
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+ * @orig_vlan: the originator-vlan object to release
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+ */
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+static inline void
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+batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan)
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+{
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+	if (!orig_vlan)
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+		return;
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+
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+	kref_put(&orig_vlan->refcount, batadv_orig_node_vlan_release);
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+}
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+
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+/**
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+ * batadv_neigh_ifinfo_put() - decrement the refcounter and possibly release
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+ *  the neigh_ifinfo
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+ * @neigh_ifinfo: the neigh_ifinfo object to release
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+ */
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+static inline void
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+batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo)
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+{
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+	if (!neigh_ifinfo)
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+		return;
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+
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+	kref_put(&neigh_ifinfo->refcount, batadv_neigh_ifinfo_release);
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+}
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+
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+/**
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+ * batadv_hardif_neigh_put() - decrement the hardif neighbors refcounter
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+ *  and possibly release it
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+ * @hardif_neigh: hardif neigh neighbor to free
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+ */
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+static inline void
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+batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh)
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+{
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+	if (!hardif_neigh)
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+		return;
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+
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+	kref_put(&hardif_neigh->refcount, batadv_hardif_neigh_release);
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+}
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+
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+/**
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+ * batadv_neigh_node_put() - decrement the neighbors refcounter and possibly
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+ *  release it
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+ * @neigh_node: neigh neighbor to free
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+ */
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+static inline void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node)
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+{
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+	if (!neigh_node)
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+		return;
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+
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+	kref_put(&neigh_node->refcount, batadv_neigh_node_release);
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+}
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+
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+/**
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+ * batadv_orig_ifinfo_put() - decrement the refcounter and possibly release
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+ *  the orig_ifinfo
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+ * @orig_ifinfo: the orig_ifinfo object to release
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+ */
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+static inline void
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+batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo)
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+{
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+	if (!orig_ifinfo)
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+		return;
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+
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+	kref_put(&orig_ifinfo->refcount, batadv_orig_ifinfo_release);
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+}
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+
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+/**
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+ * batadv_orig_node_put() - decrement the orig node refcounter and possibly
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+ *  release it
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+ * @orig_node: the orig node to free
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+ */
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+static inline void batadv_orig_node_put(struct batadv_orig_node *orig_node)
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+{
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+	if (!orig_node)
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+		return;
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+
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+	kref_put(&orig_node->refcount, batadv_orig_node_release);
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+}
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+
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 #endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */