From 1e213303d8ef2a5d43fb64d2b373858ef70cc79b Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Mon, 9 Mar 2009 10:59:21 +0000 Subject: [PATCH] qlge: Add tx multiqueue support. Signed-off-by: Ron Mercer Signed-off-by: David S. Miller --- drivers/net/qlge/qlge_main.c | 31 ++++++++++++++----------------- 1 file changed, 14 insertions(+), 17 deletions(-) diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 339e1da..6da8901 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -1627,14 +1627,12 @@ static void ql_process_mac_tx_intr(struct ql_adapter *qdev, /* Fire up a handler to reset the MPI processor. */ void ql_queue_fw_error(struct ql_adapter *qdev) { - netif_stop_queue(qdev->ndev); netif_carrier_off(qdev->ndev); queue_delayed_work(qdev->workqueue, &qdev->mpi_reset_work, 0); } void ql_queue_asic_error(struct ql_adapter *qdev) { - netif_stop_queue(qdev->ndev); netif_carrier_off(qdev->ndev); ql_disable_interrupts(qdev); /* Clear adapter up bit to signal the recovery @@ -1689,6 +1687,7 @@ static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) struct ob_mac_iocb_rsp *net_rsp = NULL; int count = 0; + struct tx_ring *tx_ring; /* While there are entries in the completion queue. */ while (prod != rx_ring->cnsmr_idx) { @@ -1714,15 +1713,16 @@ static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); } ql_write_cq_idx(rx_ring); - if (netif_queue_stopped(qdev->ndev) && net_rsp != NULL) { - struct tx_ring *tx_ring = &qdev->tx_ring[net_rsp->txq_idx]; + tx_ring = &qdev->tx_ring[net_rsp->txq_idx]; + if (__netif_subqueue_stopped(qdev->ndev, tx_ring->wq_id) && + net_rsp != NULL) { if (atomic_read(&tx_ring->queue_stopped) && (atomic_read(&tx_ring->tx_count) > (tx_ring->wq_len / 4))) /* * The queue got stopped because the tx_ring was full. * Wake it up, because it's now at least 25% empty. */ - netif_wake_queue(qdev->ndev); + netif_wake_subqueue(qdev->ndev, tx_ring->wq_id); } return count; @@ -2054,7 +2054,7 @@ static int qlge_send(struct sk_buff *skb, struct net_device *ndev) struct ql_adapter *qdev = netdev_priv(ndev); int tso; struct tx_ring *tx_ring; - u32 tx_ring_idx = (u32) QL_TXQ_IDX(qdev, skb); + u32 tx_ring_idx = (u32) skb->queue_mapping; tx_ring = &qdev->tx_ring[tx_ring_idx]; @@ -2062,7 +2062,7 @@ static int qlge_send(struct sk_buff *skb, struct net_device *ndev) QPRINTK(qdev, TX_QUEUED, INFO, "%s: shutting down tx queue %d du to lack of resources.\n", __func__, tx_ring_idx); - netif_stop_queue(ndev); + netif_stop_subqueue(ndev, tx_ring->wq_id); atomic_inc(&tx_ring->queue_stopped); return NETDEV_TX_BUSY; } @@ -3192,12 +3192,10 @@ static void ql_display_dev_info(struct net_device *ndev) static int ql_adapter_down(struct ql_adapter *qdev) { - struct net_device *ndev = qdev->ndev; int i, status = 0; struct rx_ring *rx_ring; - netif_stop_queue(ndev); - netif_carrier_off(ndev); + netif_carrier_off(qdev->ndev); /* Don't kill the reset worker thread if we * are in the process of recovery. @@ -3261,12 +3259,11 @@ static int ql_adapter_up(struct ql_adapter *qdev) spin_unlock(&qdev->hw_lock); set_bit(QL_ADAPTER_UP, &qdev->flags); ql_alloc_rx_buffers(qdev); + if ((ql_read32(qdev, STS) & qdev->port_init)) + netif_carrier_on(qdev->ndev); ql_enable_interrupts(qdev); ql_enable_all_completion_interrupts(qdev); - if ((ql_read32(qdev, STS) & qdev->port_init)) { - netif_carrier_on(qdev->ndev); - netif_start_queue(qdev->ndev); - } + netif_tx_start_all_queues(qdev->ndev); return 0; err_init: @@ -3354,6 +3351,7 @@ static int ql_configure_rings(struct ql_adapter *qdev) * completion handler rx_rings. */ qdev->rx_ring_count = qdev->tx_ring_count + qdev->rss_ring_count + 1; + netif_set_gso_max_size(qdev->ndev, 65536); for (i = 0; i < qdev->tx_ring_count; i++) { tx_ring = &qdev->tx_ring[i]; @@ -3829,7 +3827,8 @@ static int __devinit qlge_probe(struct pci_dev *pdev, static int cards_found = 0; int err = 0; - ndev = alloc_etherdev(sizeof(struct ql_adapter)); + ndev = alloc_etherdev_mq(sizeof(struct ql_adapter), + min(MAX_CPUS, (int)num_online_cpus())); if (!ndev) return -ENOMEM; @@ -3872,7 +3871,6 @@ static int __devinit qlge_probe(struct pci_dev *pdev, return err; } netif_carrier_off(ndev); - netif_stop_queue(ndev); ql_display_dev_info(ndev); cards_found++; return 0; @@ -3926,7 +3924,6 @@ static pci_ers_result_t qlge_io_slot_reset(struct pci_dev *pdev) pci_set_master(pdev); netif_carrier_off(ndev); - netif_stop_queue(ndev); ql_adapter_reset(qdev); /* Make sure the EEPROM is good */ -- 1.8.2.3