qlge: Add tx multiqueue support.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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22bdd4f599
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1e213303d8
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@ -1627,14 +1627,12 @@ static void ql_process_mac_tx_intr(struct ql_adapter *qdev,
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/* Fire up a handler to reset the MPI processor. */
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void ql_queue_fw_error(struct ql_adapter *qdev)
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{
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netif_stop_queue(qdev->ndev);
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netif_carrier_off(qdev->ndev);
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queue_delayed_work(qdev->workqueue, &qdev->mpi_reset_work, 0);
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}
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void ql_queue_asic_error(struct ql_adapter *qdev)
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{
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netif_stop_queue(qdev->ndev);
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netif_carrier_off(qdev->ndev);
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ql_disable_interrupts(qdev);
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/* Clear adapter up bit to signal the recovery
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@ -1689,6 +1687,7 @@ static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring)
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struct ob_mac_iocb_rsp *net_rsp = NULL;
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int count = 0;
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struct tx_ring *tx_ring;
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/* While there are entries in the completion queue. */
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while (prod != rx_ring->cnsmr_idx) {
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@ -1714,15 +1713,16 @@ static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring)
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prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg);
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}
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ql_write_cq_idx(rx_ring);
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if (netif_queue_stopped(qdev->ndev) && net_rsp != NULL) {
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struct tx_ring *tx_ring = &qdev->tx_ring[net_rsp->txq_idx];
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tx_ring = &qdev->tx_ring[net_rsp->txq_idx];
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if (__netif_subqueue_stopped(qdev->ndev, tx_ring->wq_id) &&
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net_rsp != NULL) {
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if (atomic_read(&tx_ring->queue_stopped) &&
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(atomic_read(&tx_ring->tx_count) > (tx_ring->wq_len / 4)))
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/*
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* The queue got stopped because the tx_ring was full.
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* Wake it up, because it's now at least 25% empty.
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*/
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netif_wake_queue(qdev->ndev);
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netif_wake_subqueue(qdev->ndev, tx_ring->wq_id);
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}
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return count;
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@ -2054,7 +2054,7 @@ static int qlge_send(struct sk_buff *skb, struct net_device *ndev)
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struct ql_adapter *qdev = netdev_priv(ndev);
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int tso;
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struct tx_ring *tx_ring;
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u32 tx_ring_idx = (u32) QL_TXQ_IDX(qdev, skb);
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u32 tx_ring_idx = (u32) skb->queue_mapping;
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tx_ring = &qdev->tx_ring[tx_ring_idx];
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@ -2062,7 +2062,7 @@ static int qlge_send(struct sk_buff *skb, struct net_device *ndev)
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QPRINTK(qdev, TX_QUEUED, INFO,
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"%s: shutting down tx queue %d du to lack of resources.\n",
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__func__, tx_ring_idx);
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netif_stop_queue(ndev);
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netif_stop_subqueue(ndev, tx_ring->wq_id);
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atomic_inc(&tx_ring->queue_stopped);
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return NETDEV_TX_BUSY;
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}
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@ -3192,12 +3192,10 @@ static void ql_display_dev_info(struct net_device *ndev)
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static int ql_adapter_down(struct ql_adapter *qdev)
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{
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struct net_device *ndev = qdev->ndev;
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int i, status = 0;
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struct rx_ring *rx_ring;
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netif_stop_queue(ndev);
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netif_carrier_off(ndev);
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netif_carrier_off(qdev->ndev);
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/* Don't kill the reset worker thread if we
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* are in the process of recovery.
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@ -3261,12 +3259,11 @@ static int ql_adapter_up(struct ql_adapter *qdev)
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spin_unlock(&qdev->hw_lock);
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set_bit(QL_ADAPTER_UP, &qdev->flags);
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ql_alloc_rx_buffers(qdev);
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if ((ql_read32(qdev, STS) & qdev->port_init))
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netif_carrier_on(qdev->ndev);
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ql_enable_interrupts(qdev);
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ql_enable_all_completion_interrupts(qdev);
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if ((ql_read32(qdev, STS) & qdev->port_init)) {
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netif_carrier_on(qdev->ndev);
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netif_start_queue(qdev->ndev);
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}
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netif_tx_start_all_queues(qdev->ndev);
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return 0;
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err_init:
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@ -3354,6 +3351,7 @@ static int ql_configure_rings(struct ql_adapter *qdev)
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* completion handler rx_rings.
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*/
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qdev->rx_ring_count = qdev->tx_ring_count + qdev->rss_ring_count + 1;
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netif_set_gso_max_size(qdev->ndev, 65536);
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for (i = 0; i < qdev->tx_ring_count; i++) {
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tx_ring = &qdev->tx_ring[i];
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@ -3829,7 +3827,8 @@ static int __devinit qlge_probe(struct pci_dev *pdev,
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static int cards_found = 0;
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int err = 0;
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ndev = alloc_etherdev(sizeof(struct ql_adapter));
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ndev = alloc_etherdev_mq(sizeof(struct ql_adapter),
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min(MAX_CPUS, (int)num_online_cpus()));
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if (!ndev)
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return -ENOMEM;
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@ -3872,7 +3871,6 @@ static int __devinit qlge_probe(struct pci_dev *pdev,
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return err;
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}
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netif_carrier_off(ndev);
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netif_stop_queue(ndev);
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ql_display_dev_info(ndev);
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cards_found++;
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return 0;
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@ -3926,7 +3924,6 @@ static pci_ers_result_t qlge_io_slot_reset(struct pci_dev *pdev)
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pci_set_master(pdev);
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netif_carrier_off(ndev);
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netif_stop_queue(ndev);
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ql_adapter_reset(qdev);
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/* Make sure the EEPROM is good */
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