This commit extends the flag IEEE80211_KEY_FLAG_GENERATE_MMIE to
BIP-CMAC-256, BIP-GMAC-128 and BIP-GMAC-256 for the same reason that the
flag was added.
(a0b4496a4368: mac80211: add IEEE80211_KEY_FLAG_GENERATE_MMIE to ieee80211_key_flags)
Signed-off-by: Michael-CY Lee <[email protected]>
---
include/net/mac80211.h | 4 ++--
net/mac80211/wpa.c | 12 ++++++++++--
2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index f5b6f46..7709854 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -2133,8 +2133,8 @@ static inline bool lockdep_vif_wiphy_mutex_held(struct ieee80211_vif *vif)
* @IEEE80211_KEY_FLAG_GENERATE_MMIC on the same key.
* @IEEE80211_KEY_FLAG_NO_AUTO_TX: Key needs explicit Tx activation.
* @IEEE80211_KEY_FLAG_GENERATE_MMIE: This flag should be set by the driver
- * for a AES_CMAC key to indicate that it requires sequence number
- * generation only
+ * for a AES_CMAC or a AES_GMAC key to indicate that it requires sequence
+ * number generation only
* @IEEE80211_KEY_FLAG_SPP_AMSDU: SPP A-MSDUs can be used with this key
* (set by mac80211 from the sta->spp_amsdu flag)
*/
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index daf1bcc..e66f917 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -903,7 +903,8 @@ ieee80211_crypto_aes_cmac_256_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)))
@@ -919,6 +920,9 @@ ieee80211_crypto_aes_cmac_256_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);
/* MIC = AES-256-CMAC(IGTK, AAD || Management Frame Body || MMIE, 128)
@@ -1048,7 +1052,8 @@ ieee80211_crypto_aes_gmac_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)))
@@ -1064,6 +1069,9 @@ ieee80211_crypto_aes_gmac_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);
hdr = (struct ieee80211_hdr *)skb->data;
--
2.25.1