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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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7f91d06c90
in case of client roaming a new global entry is added while a corresponding local one is still present. In this case the node can safely pass the WIFI flag from the local to the global entry. This change is required to let the AP-isolation correctly working in case of roaming: if a generic WIFI client C roams from node A to B, A adds a global entry for C without adding any WIFI flag. The latter will be set only later, once A has received C's advertisement from B. In this time period the AP-Isolation (if enabled) would not correctly work since C is not marked as WIFI, so allowing it to communicate with other WIFI clients. Signed-off-by: Antonio Quartulli <ordex@autistici.org>
67 lines
2.9 KiB
C
67 lines
2.9 KiB
C
/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
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*
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* Marek Lindner, Simon Wunderlich, Antonio Quartulli
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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*/
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#ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
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#define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
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int batadv_tt_len(int changes_num);
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int batadv_tt_init(struct batadv_priv *bat_priv);
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void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
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int ifindex);
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uint16_t batadv_tt_local_remove(struct batadv_priv *bat_priv,
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const uint8_t *addr, const char *message,
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bool roaming);
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int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset);
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void batadv_tt_global_add_orig(struct batadv_priv *bat_priv,
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struct batadv_orig_node *orig_node,
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const unsigned char *tt_buff, int tt_buff_len);
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int batadv_tt_global_add(struct batadv_priv *bat_priv,
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struct batadv_orig_node *orig_node,
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const unsigned char *addr, uint8_t flags,
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uint8_t ttvn);
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int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset);
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void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
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struct batadv_orig_node *orig_node,
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const char *message);
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struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
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const uint8_t *src,
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const uint8_t *addr);
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void batadv_tt_free(struct batadv_priv *bat_priv);
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bool batadv_send_tt_response(struct batadv_priv *bat_priv,
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struct batadv_tt_query_packet *tt_request);
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bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr);
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void batadv_handle_tt_response(struct batadv_priv *bat_priv,
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struct batadv_tt_query_packet *tt_response);
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bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src,
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uint8_t *dst);
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void batadv_tt_update_orig(struct batadv_priv *bat_priv,
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struct batadv_orig_node *orig_node,
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const unsigned char *tt_buff, uint8_t tt_num_changes,
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uint8_t ttvn, uint16_t tt_crc);
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int batadv_tt_append_diff(struct batadv_priv *bat_priv,
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unsigned char **packet_buff, int *packet_buff_len,
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int packet_min_len);
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bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
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uint8_t *addr);
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bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
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struct batadv_orig_node *orig_node,
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const unsigned char *addr);
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#endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */
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