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mac80211: parse also the RSNXE IE

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Parse also the RSN Extension IE when parsing the rest of the IEs.
It will be used in a later patch.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/20200131111300.891737-21-luca@coelho.fi
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Shaul Triebitz 2020-01-31 13:12:57 +02:00 committed by Johannes Berg
parent ff74c51e8f
commit c0058df733
3 changed files with 16 additions and 1 deletions
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8
include/linux/ieee80211.h
View file

@ -2532,6 +2532,7 @@ enum ieee80211_eid {
WLAN_EID_FILS_INDICATION = 240,
WLAN_EID_DILS = 241,
WLAN_EID_FRAGMENT = 242,
WLAN_EID_RSNX = 244,
WLAN_EID_EXTENSION = 255
};
@ -3421,4 +3422,11 @@ static inline bool for_each_element_completed(const struct element *element,
return (const u8 *)element == (const u8 *)data + datalen;
}
/**
* RSNX Capabilities:
* bits 0-3: Field length (n-1)
*/
#define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
#define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
#endif /* LINUX_IEEE80211_H */

2
net/mac80211/ieee80211_i.h
View file

@ -1472,6 +1472,7 @@ struct ieee802_11_elems {
const struct ieee80211_tim_ie *tim;
const u8 *challenge;
const u8 *rsn;
const u8 *rsnx;
const u8 *erp_info;
const u8 *ext_supp_rates;
const u8 *wmm_info;
@ -1519,6 +1520,7 @@ struct ieee802_11_elems {
u8 tim_len;
u8 challenge_len;
u8 rsn_len;
u8 rsnx_len;
u8 ext_supp_rates_len;
u8 wmm_info_len;
u8 wmm_param_len;

7
net/mac80211/util.c
View file

@ -6,7 +6,7 @@
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015-2017 Intel Deutschland GmbH
* Copyright (C) 2018-2019 Intel Corporation
* Copyright (C) 2018-2020 Intel Corporation
*
* utilities for mac80211
*/
@ -994,6 +994,7 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
case WLAN_EID_CHAN_SWITCH_TIMING:
case WLAN_EID_LINK_ID:
case WLAN_EID_BSS_MAX_IDLE_PERIOD:
case WLAN_EID_RSNX:
/*
* not listing WLAN_EID_CHANNEL_SWITCH_WRAPPER -- it seems possible
* that if the content gets bigger it might be needed more than once
@ -1264,6 +1265,10 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
if (elen >= sizeof(*elems->max_idle_period_ie))
elems->max_idle_period_ie = (void *)pos;
break;
case WLAN_EID_RSNX:
elems->rsnx = pos;
elems->rsnx_len = elen;
break;
case WLAN_EID_EXTENSION:
ieee80211_parse_extension_element(calc_crc ?
&crc : NULL,