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Commit 0e0e4420 authored by Liad Kaufman's avatar Liad Kaufman Committed by Emmanuel Grumbach
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iwlwifi: mvm: allocate dedicated queue for cab in dqa mode 



In DQA mode, allocate a dedicated queue (#3) for content
after beacon (AKA "CaB").

Signed-off-by: default avatarLiad Kaufman <liad.kaufman@intel.com>
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
parent f02669be

drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h

+2 −0
Original line number Diff line number Diff line
@@ -89,6 +89,7 @@ enum { 
/*

 * DQA queue numbers

 *

 * @IWL_MVM_DQA_GCAST_QUEUE: a queue reserved for P2P GO/SoftAP GCAST frames

 * @IWL_MVM_DQA_BSS_CLIENT_QUEUE: a queue reserved for BSS activity, to ensure

 *	that we are never left without the possibility to connect to an AP.

 * @IWL_MVM_DQA_MIN_MGMT_QUEUE: first TXQ in pool for MGMT and non-QOS frames.
@@ -102,6 +103,7 @@ enum { 
 * @IWL_MVM_DQA_MAX_DATA_QUEUE: last TXQ in pool for DATA frames

 */

enum iwl_mvm_dqa_txq {

	IWL_MVM_DQA_GCAST_QUEUE = 3,

	IWL_MVM_DQA_BSS_CLIENT_QUEUE = 4,

	IWL_MVM_DQA_MIN_MGMT_QUEUE = 5,

	IWL_MVM_DQA_MAX_MGMT_QUEUE = 8,

drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c

+12 −6
Original line number Diff line number Diff line
@@ -447,7 +447,10 @@ static int iwl_mvm_mac_ctxt_allocate_resources(struct iwl_mvm *mvm, 


	/* Allocate the CAB queue for softAP and GO interfaces */

	if (vif->type == NL80211_IFTYPE_AP) {

		u8 queue = find_first_zero_bit(&used_hw_queues,

		u8 queue;



		if (!iwl_mvm_is_dqa_supported(mvm)) {

			queue = find_first_zero_bit(&used_hw_queues,

						    mvm->first_agg_queue);



			if (queue >= mvm->first_agg_queue) {
@@ -455,6 +458,9 @@ static int iwl_mvm_mac_ctxt_allocate_resources(struct iwl_mvm *mvm, 
				ret = -EIO;

				goto exit_fail;

			}

		} else {

			queue = IWL_MVM_DQA_GCAST_QUEUE;

		}



		vif->cab_queue = queue;

	} else {