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Commit 9a73a7d2 authored by Sara Sharon's avatar Sara Sharon Committed by Luca Coelho
Browse files

iwlwifi: mvm: support BAR in reorder buffer 



On default queue we will not receive frame release notification,
but the BAR itself.
Upon receiving the BAR driver should look at the NSSN and adjust
window accordingly.

Fixes: b915c101 ("iwlwifi: mvm: add reorder buffer per queue")
Signed-off-by: default avatarSara Sharon <sara.sharon@intel.com>
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
parent 3ee0f0e2

drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c

+9 −3
Original line number Diff line number Diff line
@@ -600,9 +600,10 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, 


	mvm_sta = iwl_mvm_sta_from_mac80211(sta);



	/* not a data packet */

	if (!ieee80211_is_data_qos(hdr->frame_control) ||

	    is_multicast_ether_addr(hdr->addr1))

	/* not a data packet or a bar */

	if (!ieee80211_is_back_req(hdr->frame_control) &&

	    (!ieee80211_is_data_qos(hdr->frame_control) ||

	     is_multicast_ether_addr(hdr->addr1)))

		return false;



	if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))
@@ -626,6 +627,11 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, 


	spin_lock_bh(&buffer->lock);



	if (ieee80211_is_back_req(hdr->frame_control)) {

		iwl_mvm_release_frames(mvm, sta, napi, buffer, nssn);

		goto drop;

	}



	/*

	 * If there was a significant jump in the nssn - adjust.

	 * If the SN is smaller than the NSSN it might need to first go into