ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/net/batman-adv/bridge_loop_avoidance.h b/marvell/linux/net/batman-adv/bridge_loop_avoidance.h
new file mode 100644
index 0000000..9370be0
--- /dev/null
+++ b/marvell/linux/net/batman-adv/bridge_loop_avoidance.h
@@ -0,0 +1,149 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2011-2019 B.A.T.M.A.N. contributors:
+ *
+ * Simon Wunderlich
+ */
+
+#ifndef _NET_BATMAN_ADV_BLA_H_
+#define _NET_BATMAN_ADV_BLA_H_
+
+#include "main.h"
+
+#include <linux/compiler.h>
+#include <linux/netdevice.h>
+#include <linux/netlink.h>
+#include <linux/seq_file.h>
+#include <linux/skbuff.h>
+#include <linux/stddef.h>
+#include <linux/types.h>
+
+/**
+ * batadv_bla_is_loopdetect_mac() - check if the mac address is from a loop
+ * detect frame sent by bridge loop avoidance
+ * @mac: mac address to check
+ *
+ * Return: true if the it looks like a loop detect frame
+ * (mac starts with BA:BE), false otherwise
+ */
+static inline bool batadv_bla_is_loopdetect_mac(const uint8_t *mac)
+{
+ if (mac[0] == 0xba && mac[1] == 0xbe)
+ return true;
+
+ return false;
+}
+
+#ifdef CONFIG_BATMAN_ADV_BLA
+bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
+ unsigned short vid, int packet_type);
+bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
+ unsigned short vid);
+bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
+ struct batadv_orig_node *orig_node,
+ int hdr_size);
+int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
+int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb);
+int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
+ void *offset);
+int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb);
+bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,
+ unsigned short vid);
+bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
+ struct sk_buff *skb);
+void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
+ struct batadv_hard_iface *primary_if,
+ struct batadv_hard_iface *oldif);
+void batadv_bla_status_update(struct net_device *net_dev);
+int batadv_bla_init(struct batadv_priv *bat_priv);
+void batadv_bla_free(struct batadv_priv *bat_priv);
+int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb);
+#ifdef CONFIG_BATMAN_ADV_DAT
+bool batadv_bla_check_claim(struct batadv_priv *bat_priv, u8 *addr,
+ unsigned short vid);
+#endif
+#define BATADV_BLA_CRC_INIT 0
+#else /* ifdef CONFIG_BATMAN_ADV_BLA */
+
+static inline bool batadv_bla_rx(struct batadv_priv *bat_priv,
+ struct sk_buff *skb, unsigned short vid,
+ int packet_type)
+{
+ return false;
+}
+
+static inline bool batadv_bla_tx(struct batadv_priv *bat_priv,
+ struct sk_buff *skb, unsigned short vid)
+{
+ return false;
+}
+
+static inline bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
+ struct batadv_orig_node *orig_node,
+ int hdr_size)
+{
+ return false;
+}
+
+static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
+ void *offset)
+{
+ return 0;
+}
+
+static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
+ void *offset)
+{
+ return 0;
+}
+
+static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
+ u8 *orig, unsigned short vid)
+{
+ return false;
+}
+
+static inline bool
+batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
+ struct sk_buff *skb)
+{
+ return false;
+}
+
+static inline void
+batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
+ struct batadv_hard_iface *primary_if,
+ struct batadv_hard_iface *oldif)
+{
+}
+
+static inline int batadv_bla_init(struct batadv_priv *bat_priv)
+{
+ return 1;
+}
+
+static inline void batadv_bla_free(struct batadv_priv *bat_priv)
+{
+}
+
+static inline int batadv_bla_claim_dump(struct sk_buff *msg,
+ struct netlink_callback *cb)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int batadv_bla_backbone_dump(struct sk_buff *msg,
+ struct netlink_callback *cb)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline
+bool batadv_bla_check_claim(struct batadv_priv *bat_priv, u8 *addr,
+ unsigned short vid)
+{
+ return true;
+}
+
+#endif /* ifdef CONFIG_BATMAN_ADV_BLA */
+
+#endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */