^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* Copyright (C) 2011-2020 B.A.T.M.A.N. contributors:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Simon Wunderlich
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #ifndef _NET_BATMAN_ADV_BLA_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define _NET_BATMAN_ADV_BLA_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "main.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/compiler.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/netlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/skbuff.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/stddef.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * batadv_bla_is_loopdetect_mac() - check if the mac address is from a loop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * detect frame sent by bridge loop avoidance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * @mac: mac address to check
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * Return: true if the it looks like a loop detect frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * (mac starts with BA:BE), false otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static inline bool batadv_bla_is_loopdetect_mac(const uint8_t *mac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) if (mac[0] == 0xba && mac[1] == 0xbe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #ifdef CONFIG_BATMAN_ADV_BLA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) unsigned short vid, int packet_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) unsigned short vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct batadv_orig_node *orig_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) int hdr_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) void *offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) unsigned short vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct sk_buff *skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct batadv_hard_iface *primary_if,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct batadv_hard_iface *oldif);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) void batadv_bla_status_update(struct net_device *net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) int batadv_bla_init(struct batadv_priv *bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) void batadv_bla_free(struct batadv_priv *bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #ifdef CONFIG_BATMAN_ADV_DAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) bool batadv_bla_check_claim(struct batadv_priv *bat_priv, u8 *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) unsigned short vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define BATADV_BLA_CRC_INIT 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #else /* ifdef CONFIG_BATMAN_ADV_BLA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static inline bool batadv_bla_rx(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct sk_buff *skb, unsigned short vid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) int packet_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static inline bool batadv_bla_tx(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct sk_buff *skb, unsigned short vid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) static inline bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct batadv_orig_node *orig_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) int hdr_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) void *offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) void *offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) u8 *orig, unsigned short vid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) static inline bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct batadv_hard_iface *primary_if,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct batadv_hard_iface *oldif)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static inline int batadv_bla_init(struct batadv_priv *bat_priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static inline void batadv_bla_free(struct batadv_priv *bat_priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static inline int batadv_bla_claim_dump(struct sk_buff *msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct netlink_callback *cb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static inline int batadv_bla_backbone_dump(struct sk_buff *msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) struct netlink_callback *cb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static inline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) bool batadv_bla_check_claim(struct batadv_priv *bat_priv, u8 *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) unsigned short vid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) #endif /* ifdef CONFIG_BATMAN_ADV_BLA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) #endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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