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mac80211: mlme: add documentation from spec to code

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Reference the spec why we decline HE support in
case STA don't support all HE basic rates recurred by AP.

Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20220202104617.f1bafd0861b7.I566612d99bca5245dc06cbcc70369b94a525389c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Mordechay Goodstein 2022-02-02 10:49:42 +02:00 committed by Johannes Berg
parent abd5a8e5cc
commit 6ad1dce5eb
1 changed files with 9 additions and 1 deletions
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10
net/mac80211/mlme.c
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@ -5052,7 +5052,15 @@ ieee80211_verify_sta_he_mcs_support(struct ieee80211_sub_if_data *sdata,
/*
* Make sure the HE AP doesn't require MCSs that aren't
* supported by the client
* supported by the client as required by spec
*
* P802.11-REVme/D0.3
* 26.17.1 Basic HE BSS operation
*
* An HE STA shall not attempt to join * (MLME-JOIN.request primitive)
* a BSS, unless it supports (i.e., is able to both transmit and
* receive using) all of the <HE-MCS, NSS> tuples in the basic
* HE-MCS and NSS set.
*/
if (sta_rx_val == IEEE80211_HE_MCS_NOT_SUPPORTED ||
sta_tx_val == IEEE80211_HE_MCS_NOT_SUPPORTED ||