From: Ilan Peer <ilan.peer@intel.com>
Date: Sun, 18 Jun 2023 18:49:44 +0000 (+0300)
Subject: wifi: mac80211: Include Multi-Link in CRC calculation
X-Git-Tag: v6.6.7~2536^2~28^2~97
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dbd396636870b30c2c11c098bfc30e124198d29f;p=platform%2Fkernel%2Flinux-starfive.git

wifi: mac80211: Include Multi-Link in CRC calculation

Include the Multi-Link elements found in beacon frames
in the CRC calculation, as these elements are intended
to reflect changes in the AP MLD state.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230618214435.ae8246b93d85.Ia64b45198de90ff7f70abcc997841157f148ea40@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index ef53d3b..6c52c597 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -987,6 +987,10 @@ ieee80211_parse_extension_element(u32 *crc,
 			const struct ieee80211_multi_link_elem *mle =
 				(void *)data;
 
+			if (crc)
+				*crc = crc32_be(*crc, (void *)elem,
+						elem->datalen + 2);
+
 			switch (le16_get_bits(mle->control,
 					      IEEE80211_ML_CONTROL_TYPE)) {
 			case IEEE80211_ML_CONTROL_TYPE_BASIC: