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mac80211: add IEEE80211_KEY_FLAG_GENERATE_MMIE to ieee80211_key_flags

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Add IEEE80211_KEY_FLAG_GENERATE_MMIE flag to ieee80211_key_flags in order
to allow the driver to notify mac80211 to generate MMIE and that it
requires sequence number generation only.
This is a preliminary patch to add BIP_CMAC_128 hw support to mt7615
driver

Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://lore.kernel.org/r/dfe275f9aa0f1cc6b33085f9efd5d8447f68ad13.1563228405.git.lorenzo@kernel.org
Signed-off-by: Johannes Berg <[email protected]>
This commit is contained in:
Lorenzo Bianconi 2019-07-16 00:09:19 +02:00 • committed by Johannes Berg
commit a0b4496a43
2 changed files with 9 additions and 1 deletions
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6
net/mac80211/wpa.c
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@ -946,7 +946,8 @@ ieee80211_crypto_aes_cmac_encrypt(struct ieee80211_tx_data *tx)
info = IEEE80211_SKB_CB(skb);
if (info->control.hw_key)
if (info->control.hw_key &&
!(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIE))
return TX_CONTINUE;
if (WARN_ON(skb_tailroom(skb) < sizeof(*mmie)))
@ -962,6 +963,9 @@ ieee80211_crypto_aes_cmac_encrypt(struct ieee80211_tx_data *tx)
bip_ipn_set64(mmie->sequence_number, pn64);
if (info->control.hw_key)
return TX_CONTINUE;
bip_aad(skb, aad);
/*