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iwlwifi: mvm: allocate dedicated queue for cab in dqa mode

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

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Liad Kaufman 2015-08-04 15:13:38 +03:00 committed by Emmanuel Grumbach
parent f02669be45
commit 0e0e44205c
2 changed files with 14 additions and 6 deletions
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2
drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
View File

@ -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,

18
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
View File

@ -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;