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authorMordechay Goodstein <mordechay.goodstein@intel.com>2022-02-02 10:49:42 +0200
committerJohannes Berg <johannes.berg@intel.com>2022-02-04 16:25:45 +0100
commit6ad1dce5ebda90b6b065253a4f23a5eab7732607 (patch)
treef69dbc7afe69266a57fc55a5871796513a9e1e65 /net
parentabd5a8e5ccf7a5bf85c41a80585ce65f53f4c23b (diff)
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mac80211: mlme: add documentation from spec to code
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>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/mlme.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 291226a1599d..bf777943cacd 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -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 ||