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mac80211: support multi-bssid

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Add support for multi-bssid.

This includes:
- Parsing multi-bssid element
- Overriding DTIM values
- Taking into account in various places the inner BSSID instead of
  transmitter BSSID
- Save aside some multi-bssid properties needed by drivers

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Sara Sharon 2019-01-16 18:22:56 +02:00 • committed by Johannes Berg
parent 0cd01efb03
commit 78ac51f815
6 changed files with 255 additions and 48 deletions
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34
include/linux/ieee80211.h
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@ -8,7 +8,7 @@
* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
* Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright (c) 2016 - 2017 Intel Deutschland GmbH
* Copyright (c) 2018 Intel Corporation
* Copyright (c) 2018 - 2019 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -2475,6 +2475,7 @@ enum ieee80211_eid_ext {
WLAN_EID_EXT_HE_OPERATION = 36,
WLAN_EID_EXT_UORA = 37,
WLAN_EID_EXT_HE_MU_EDCA = 38,
WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
};
/* Action category code */
@ -2691,6 +2692,9 @@ enum ieee80211_tdls_actioncode {
#define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
#define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
/* Defines support for enhanced multi-bssid advertisement*/
#define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(1)
/* TDLS specific payload type in the LLC/SNAP header */
#define WLAN_TDLS_SNAP_RFTYPE 0x2
@ -2882,6 +2886,34 @@ enum ieee80211_sa_query_action {
WLAN_ACTION_SA_QUERY_RESPONSE = 1,
};
/**
* struct ieee80211_bssid_index
*
* This structure refers to "Multiple BSSID-index element"
*
* @bssid_index: BSSID index
* @dtim_period: optional, overrides transmitted BSS dtim period
* @dtim_count: optional, overrides transmitted BSS dtim count
*/
struct ieee80211_bssid_index {
u8 bssid_index;
u8 dtim_period;
u8 dtim_count;
};
/**
* struct ieee80211_multiple_bssid_configuration
*
* This structure refers to "Multiple BSSID Configuration element"
*
* @bssid_count: total number of active BSSIDs in the set
* @profile_periodicity: the least number of beacon frames need to be received
* in order to discover all the nontransmitted BSSIDs in the set.
*/
struct ieee80211_multiple_bssid_configuration {
u8 bssid_count;
u8 profile_periodicity;
};
#define SUITE(oui, id) (((oui) << 8) | (id))