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mac80211: consider WLAN_EID_EXT_HE_OPERATION for parsing CRC

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We use the parsing CRC for checking if the beacon changed, and
if the WLAN_EID_EXT_HE_OPERATION extended element changes we
need to track it so we can react to that. Include it in the CRC
calculation.

Link: https://lore.kernel.org/r/20200131111300.891737-22-luca@coelho.fi
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2020-01-31 13:12:58 +02:00
parent 0c138a5c2b
commit 660d81dae8
1 changed files with 5 additions and 1 deletions
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6
net/mac80211/util.c
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@ -912,8 +912,12 @@ static void ieee80211_parse_extension_element(u32 *crc,
break;
case WLAN_EID_EXT_HE_OPERATION:
if (len >= sizeof(*elems->he_operation) &&
len == ieee80211_he_oper_size(data) - 1)
len == ieee80211_he_oper_size(data) - 1) {
if (crc)
*crc = crc32_be(*crc, (void *)elem,
elem->datalen + 2);
elems->he_operation = data;
}
break;
case WLAN_EID_EXT_UORA:
if (len == 1)