From: Liad Kaufman <liad.kauf...@intel.com>

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

Signed-off-by: Liad Kaufman <liad.kauf...@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumb...@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h   |  2 ++
 drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 18 ++++++++++++------
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h 
b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
index 9652687..b38cb03 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
@@ -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,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c 
b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
index c02c105..43fd857 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
@@ -447,13 +447,19 @@ 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,
-                                              mvm->first_agg_queue);
+               u8 queue;
 
-               if (queue >= mvm->first_agg_queue) {
-                       IWL_ERR(mvm, "Failed to allocate cab queue\n");
-                       ret = -EIO;
-                       goto exit_fail;
+               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) {
+                               IWL_ERR(mvm, "Failed to allocate cab queue\n");
+                               ret = -EIO;
+                               goto exit_fail;
+                       }
+               } else {
+                       queue = IWL_MVM_DQA_GCAST_QUEUE;
                }
 
                vif->cab_queue = queue;
-- 
2.5.0

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