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mt76x2: fall back to software crypto for IBSS/Mesh per-sta GTK

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Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2017-03-17 13:29:23 +01:00
parent c91e660985
commit 9f02db7efc
1 changed files with 11 additions and 0 deletions
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mt76x2_main.c
+11
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@@ -327,6 +327,17 @@ mt76x2_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
int idx = key->keyidx;
int ret;
/*
* The hardware does not support per-STA RX GTK, fall back
* to software mode for these.
*/
if ((vif->type == NL80211_IFTYPE_ADHOC ||
vif->type == NL80211_IFTYPE_MESH_POINT) &&
(key->cipher == WLAN_CIPHER_SUITE_TKIP ||
key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
return -EOPNOTSUPP;
msta = sta ? (struct mt76x2_sta *) sta->drv_priv : NULL;
wcid = msta ? &msta->wcid : &mvif->group_wcid;