diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/tx.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index c645d10d3707..e93c471ef9bf 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -951,7 +951,8 @@ static int iwl_pcie_tx_alloc(struct iwl_trans *trans) txq_id++) { bool cmd_queue = (txq_id == trans_pcie->cmd_queue); - slots_num = cmd_queue ? TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; + slots_num = cmd_queue ? trans_pcie->tx_cmd_queue_size : + TFD_TX_CMD_SLOTS; trans_pcie->txq[txq_id] = &trans_pcie->txq_memory[txq_id]; ret = iwl_pcie_txq_alloc(trans, trans_pcie->txq[txq_id], slots_num, cmd_queue); @@ -970,6 +971,21 @@ error: return ret; } +void iwl_pcie_set_tx_cmd_queue_size(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + int queue_size = TFD_CMD_SLOTS; + + if (trans->cfg->tx_cmd_queue_size) + queue_size = trans->cfg->tx_cmd_queue_size; + + if (WARN_ON(!(is_power_of_2(queue_size) && + TFD_QUEUE_CB_SIZE(queue_size) > 0))) + trans_pcie->tx_cmd_queue_size = TFD_CMD_SLOTS; + else + trans_pcie->tx_cmd_queue_size = queue_size; +} + int iwl_pcie_tx_init(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); @@ -977,6 +993,8 @@ int iwl_pcie_tx_init(struct iwl_trans *trans) int txq_id, slots_num; bool alloc = false; + iwl_pcie_set_tx_cmd_queue_size(trans); + if (!trans_pcie->txq_memory) { ret = iwl_pcie_tx_alloc(trans); if (ret) @@ -1000,7 +1018,8 @@ int iwl_pcie_tx_init(struct iwl_trans *trans) txq_id++) { bool cmd_queue = (txq_id == trans_pcie->cmd_queue); - slots_num = cmd_queue ? TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; + slots_num = cmd_queue ? trans_pcie->tx_cmd_queue_size : + TFD_TX_CMD_SLOTS; ret = iwl_pcie_txq_init(trans, trans_pcie->txq[txq_id], slots_num, cmd_queue); if (ret) { |