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Message-Id: <1236632368-22079-6-git-send-email-ron.mercer@qlogic.com>
Date: Mon, 9 Mar 2009 13:59:21 -0700
From: Ron Mercer <ron.mercer@...gic.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, linux-driver@...gic.com,
ron.mercer@...gic.com
Subject: [net-next PATCH 05/12] qlge: Add tx multiqueue support.
Signed-off-by: Ron Mercer <ron.mercer@...gic.com>
---
drivers/net/qlge/qlge_main.c | 31 ++++++++++++++-----------------
1 files 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 */
--
1.6.0.2
--
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