From c0058df73309906ef4d5383fbaa10c43ebddc48a Mon Sep 17 00:00:00 2001
From: Shaul Triebitz <shaul.triebitz@intel.com>
Date: Fri, 31 Jan 2020 13:12:57 +0200
Subject: [PATCH] mac80211: parse also the RSNXE IE
Git-commit: c0058df73309906ef4d5383fbaa10c43ebddc48a
Patch-mainline: v5.7-rc1
References: jsc#SLE-13430
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
include/linux/ieee80211.h | 8 ++++++++
net/mac80211/ieee80211_i.h | 2 ++
net/mac80211/util.c | 7 ++++++-
3 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 095a7108c394..6f3e7c5c600a 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -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 */
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 7074af92b536..8a49d78ad7c9 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -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;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 72039c8dbc38..7ddf0508779f 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -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,
--
2.16.4