iwlwifi: mvm: mark MIC stripped MPDUs
authorSara Sharon <sara.sharon@intel.com>
Mon, 8 Feb 2016 21:30:47 +0000 (23:30 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 14 Dec 2017 08:52:57 +0000 (09:52 +0100)
commit bf19037074e770aad74b3b90f37b8b98db3f3748 upstream.

When RADA is active, the hardware decrypts the packets and strips off
the MIC as it is useless after decryption. Indicate that to mac80211.

[this is needed for the 9000-series HW to work properly]
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c

index 248699c2c4bff0981a680eb4e161ffd5da261795..402a743b0ad7428473b5afbdce04c4a2caa130e9 100644 (file)
@@ -253,6 +253,8 @@ static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
                        return -1;
 
                stats->flag |= RX_FLAG_DECRYPTED;
+               if (pkt_flags & FH_RSCSR_RADA_EN)
+                       stats->flag |= RX_FLAG_MIC_STRIPPED;
                *crypt_len = IEEE80211_CCMP_HDR_LEN;
                return 0;
        case IWL_RX_MPDU_STATUS_SEC_TKIP: