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iwlwifi: mvm: turn off AMSDU bit in QoS control for de-aggregated AMSDUs 

Our hardware de-aggregates AMSDUs but copies the mac header
as it to the de-aggregated MPDUs. We need to turn off the AMSDU
bit in the QoS control ourselves.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Sara Sharon 2016-03-06 09:51:29 +02:00 committed by Emmanuel Grumbach
parent 00f481bd89
commit 62d23403d4
1 changed files with 12 additions and 0 deletions
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12
drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
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@ -519,6 +519,18 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
rcu_read_unlock();
return;
}
/*
* Our hardware de-aggregates AMSDUs but copies the mac header
* as it to the de-aggregated MPDUs. We need to turn off the
* AMSDU bit in the QoS control ourselves.
*/
if ((desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) &&
!WARN_ON(!ieee80211_is_data_qos(hdr->frame_control))) {
u8 *qc = ieee80211_get_qos_ctl(hdr);
*qc &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT;
}
}
/*