From 9dfa21517a75d6c06d9e9a92814101eaebba168b Mon Sep 17 00:00:00 2001 From: Sara Sharon Date: Tue, 14 Feb 2017 14:58:21 +0200 Subject: [PATCH] iwlwifi: mvm: flip address 4 of AMSDU frames Address 4 is reversed as well. Signed-off-by: Sara Sharon Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 0f74a200e812..24c4fbe139a3 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -925,7 +925,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, * 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. - * In addition, HW reverses addr3 - reverse it back. + * In addition, HW reverses addr3 and addr4 - reverse it back. */ if ((desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) && !WARN_ON(!ieee80211_is_data_qos(hdr->frame_control))) { @@ -938,6 +938,13 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, for (i = 0; i < ETH_ALEN; i++) mac_addr[i] = hdr->addr3[ETH_ALEN - i - 1]; ether_addr_copy(hdr->addr3, mac_addr); + + if (ieee80211_has_a4(hdr->frame_control)) { + for (i = 0; i < ETH_ALEN; i++) + mac_addr[i] = + hdr->addr4[ETH_ALEN - i - 1]; + ether_addr_copy(hdr->addr4, mac_addr); + } } if (baid != IWL_RX_REORDER_DATA_INVALID_BAID) { u32 reorder_data = le32_to_cpu(desc->reorder_data); -- 2.30.2