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iwlwifi: mvm: mark MIC stripped MPDUs

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

Cc: stable@vger.kernel.org # 4.13+
[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>
This commit is contained in:
Sara Sharon 2016-02-08 23:30:47 +02:00 committed by Luca Coelho
parent 9d0fc5a50a
commit bf19037074
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
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@ -255,6 +255,8 @@ static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
return -1; return -1;
stats->flag |= RX_FLAG_DECRYPTED; stats->flag |= RX_FLAG_DECRYPTED;
if (pkt_flags & FH_RSCSR_RADA_EN)
stats->flag |= RX_FLAG_MIC_STRIPPED;
*crypt_len = IEEE80211_CCMP_HDR_LEN; *crypt_len = IEEE80211_CCMP_HDR_LEN;
return 0; return 0;
case IWL_RX_MPDU_STATUS_SEC_TKIP: case IWL_RX_MPDU_STATUS_SEC_TKIP: