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132 lines
3.4 KiB
132 lines
3.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* Copyright (C) B.A.T.M.A.N. contributors: |
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* |
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* Simon Wunderlich |
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*/ |
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#ifndef _NET_BATMAN_ADV_BLA_H_ |
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#define _NET_BATMAN_ADV_BLA_H_ |
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#include "main.h" |
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#include <linux/compiler.h> |
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#include <linux/netdevice.h> |
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#include <linux/netlink.h> |
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#include <linux/skbuff.h> |
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#include <linux/stddef.h> |
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#include <linux/types.h> |
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/** |
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* batadv_bla_is_loopdetect_mac() - check if the mac address is from a loop |
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* detect frame sent by bridge loop avoidance |
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* @mac: mac address to check |
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* |
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* Return: true if the it looks like a loop detect frame |
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* (mac starts with BA:BE), false otherwise |
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*/ |
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static inline bool batadv_bla_is_loopdetect_mac(const uint8_t *mac) |
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{ |
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if (mac[0] == 0xba && mac[1] == 0xbe) |
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return true; |
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return false; |
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} |
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#ifdef CONFIG_BATMAN_ADV_BLA |
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bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, |
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unsigned short vid, int packet_type); |
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bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, |
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unsigned short vid); |
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bool batadv_bla_is_backbone_gw(struct sk_buff *skb, |
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struct batadv_orig_node *orig_node, |
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int hdr_size); |
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int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb); |
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int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb); |
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bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig, |
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unsigned short vid); |
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bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv, |
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struct sk_buff *skb); |
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void batadv_bla_update_orig_address(struct batadv_priv *bat_priv, |
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struct batadv_hard_iface *primary_if, |
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struct batadv_hard_iface *oldif); |
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void batadv_bla_status_update(struct net_device *net_dev); |
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int batadv_bla_init(struct batadv_priv *bat_priv); |
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void batadv_bla_free(struct batadv_priv *bat_priv); |
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#ifdef CONFIG_BATMAN_ADV_DAT |
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bool batadv_bla_check_claim(struct batadv_priv *bat_priv, u8 *addr, |
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unsigned short vid); |
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#endif |
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#define BATADV_BLA_CRC_INIT 0 |
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#else /* ifdef CONFIG_BATMAN_ADV_BLA */ |
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static inline bool batadv_bla_rx(struct batadv_priv *bat_priv, |
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struct sk_buff *skb, unsigned short vid, |
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int packet_type) |
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{ |
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return false; |
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} |
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static inline bool batadv_bla_tx(struct batadv_priv *bat_priv, |
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struct sk_buff *skb, unsigned short vid) |
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{ |
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return false; |
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} |
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static inline bool batadv_bla_is_backbone_gw(struct sk_buff *skb, |
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struct batadv_orig_node *orig_node, |
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int hdr_size) |
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{ |
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return false; |
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} |
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static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, |
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u8 *orig, unsigned short vid) |
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{ |
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return false; |
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} |
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static inline bool |
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batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv, |
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struct sk_buff *skb) |
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{ |
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return false; |
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} |
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static inline void |
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batadv_bla_update_orig_address(struct batadv_priv *bat_priv, |
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struct batadv_hard_iface *primary_if, |
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struct batadv_hard_iface *oldif) |
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{ |
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} |
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static inline int batadv_bla_init(struct batadv_priv *bat_priv) |
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{ |
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return 1; |
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} |
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static inline void batadv_bla_free(struct batadv_priv *bat_priv) |
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{ |
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} |
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static inline int batadv_bla_claim_dump(struct sk_buff *msg, |
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struct netlink_callback *cb) |
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{ |
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return -EOPNOTSUPP; |
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} |
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static inline int batadv_bla_backbone_dump(struct sk_buff *msg, |
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struct netlink_callback *cb) |
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{ |
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return -EOPNOTSUPP; |
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} |
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static inline |
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bool batadv_bla_check_claim(struct batadv_priv *bat_priv, u8 *addr, |
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unsigned short vid) |
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{ |
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return true; |
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} |
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#endif /* ifdef CONFIG_BATMAN_ADV_BLA */ |
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#endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */
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