tx.c (b9f916202997f515456c09e2c893b0dc83049d31) tx.c (de74c455fd991024be76a535df4d66e96af3896e)
1/******************************************************************************
2 *
3 * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
4 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
5 * Copyright(c) 2016 Intel Deutschland GmbH
6 *
7 * Portions of this file are derived from the ipw3945 project, as well
8 * as portions of the ieee80211 subsystem header files.

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696 txq->id);
697 iwl_trans_unref(trans);
698 } else {
699 iwl_pcie_clear_cmd_in_flight(trans);
700 }
701 spin_unlock_irqrestore(&trans_pcie->reg_lock, flags);
702 }
703 }
1/******************************************************************************
2 *
3 * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
4 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
5 * Copyright(c) 2016 Intel Deutschland GmbH
6 *
7 * Portions of this file are derived from the ipw3945 project, as well
8 * as portions of the ieee80211 subsystem header files.

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696 txq->id);
697 iwl_trans_unref(trans);
698 } else {
699 iwl_pcie_clear_cmd_in_flight(trans);
700 }
701 spin_unlock_irqrestore(&trans_pcie->reg_lock, flags);
702 }
703 }
704 txq->active = false;
705
706 while (!skb_queue_empty(&txq->overflow_q)) {
707 struct sk_buff *skb = __skb_dequeue(&txq->overflow_q);
708
709 iwl_op_mode_free_skb(trans->op_mode, skb);
710 }
711
712 spin_unlock_bh(&txq->lock);

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927 *
928 * Destroy all TX DMA queues and structures
929 */
930void iwl_pcie_tx_free(struct iwl_trans *trans)
931{
932 int txq_id;
933 struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
934
704
705 while (!skb_queue_empty(&txq->overflow_q)) {
706 struct sk_buff *skb = __skb_dequeue(&txq->overflow_q);
707
708 iwl_op_mode_free_skb(trans->op_mode, skb);
709 }
710
711 spin_unlock_bh(&txq->lock);

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926 *
927 * Destroy all TX DMA queues and structures
928 */
929void iwl_pcie_tx_free(struct iwl_trans *trans)
930{
931 int txq_id;
932 struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
933
934 memset(trans_pcie->queue_used, 0, sizeof(trans_pcie->queue_used));
935
935 /* Tx queues */
936 if (trans_pcie->txq) {
937 for (txq_id = 0;
938 txq_id < trans->cfg->base_params->num_of_queues; txq_id++)
939 iwl_pcie_txq_free(trans, txq_id);
940 }
941
942 kfree(trans_pcie->txq);

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1102 int last_to_free;
1103
1104 /* This function is not meant to release cmd queue*/
1105 if (WARN_ON(txq_id == trans_pcie->cmd_queue))
1106 return;
1107
1108 spin_lock_bh(&txq->lock);
1109
936 /* Tx queues */
937 if (trans_pcie->txq) {
938 for (txq_id = 0;
939 txq_id < trans->cfg->base_params->num_of_queues; txq_id++)
940 iwl_pcie_txq_free(trans, txq_id);
941 }
942
943 kfree(trans_pcie->txq);

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1103 int last_to_free;
1104
1105 /* This function is not meant to release cmd queue*/
1106 if (WARN_ON(txq_id == trans_pcie->cmd_queue))
1107 return;
1108
1109 spin_lock_bh(&txq->lock);
1110
1110 if (!txq->active) {
1111 if (!test_bit(txq_id, trans_pcie->queue_used)) {
1111 IWL_DEBUG_TX_QUEUES(trans, "Q %d inactive - ignoring idx %d\n",
1112 txq_id, ssn);
1113 goto out;
1114 }
1115
1116 if (txq->read_ptr == tfd_num)
1117 goto out;
1118

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1406 IWL_DEBUG_TX_QUEUES(trans,
1407 "Activate queue %d on FIFO %d WrPtr: %d\n",
1408 txq_id, fifo, ssn & 0xff);
1409 } else {
1410 IWL_DEBUG_TX_QUEUES(trans,
1411 "Activate queue %d WrPtr: %d\n",
1412 txq_id, ssn & 0xff);
1413 }
1112 IWL_DEBUG_TX_QUEUES(trans, "Q %d inactive - ignoring idx %d\n",
1113 txq_id, ssn);
1114 goto out;
1115 }
1116
1117 if (txq->read_ptr == tfd_num)
1118 goto out;
1119

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1407 IWL_DEBUG_TX_QUEUES(trans,
1408 "Activate queue %d on FIFO %d WrPtr: %d\n",
1409 txq_id, fifo, ssn & 0xff);
1410 } else {
1411 IWL_DEBUG_TX_QUEUES(trans,
1412 "Activate queue %d WrPtr: %d\n",
1413 txq_id, ssn & 0xff);
1414 }
1414
1415 txq->active = true;
1416}
1417
1418void iwl_trans_pcie_txq_set_shared_mode(struct iwl_trans *trans, u32 txq_id,
1419 bool shared_mode)
1420{
1421 struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
1422 struct iwl_txq *txq = &trans_pcie->txq[txq_id];
1423

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1416
1417void iwl_trans_pcie_txq_set_shared_mode(struct iwl_trans *trans, u32 txq_id,
1418 bool shared_mode)
1419{
1420 struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
1421 struct iwl_txq *txq = &trans_pcie->txq[txq_id];
1422

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