diff options
Diffstat (limited to 'drivers/net/ethernet/cisco/enic/enic_main.c')
| -rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_main.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index bcf15b176f41..1ab3f1809c14 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -128,10 +128,10 @@ static int enic_wq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc, completed_index, enic_wq_free_buf, opaque); - if (netif_queue_stopped(enic->netdev) && + if (netif_tx_queue_stopped(netdev_get_tx_queue(enic->netdev, q_number)) && vnic_wq_desc_avail(&enic->wq[q_number]) >= (MAX_SKB_FRAGS + ENIC_DESC_MAX_SPLITS)) - netif_wake_queue(enic->netdev); + netif_wake_subqueue(enic->netdev, q_number); spin_unlock(&enic->wq_lock[q_number]); @@ -292,10 +292,15 @@ static irqreturn_t enic_isr_msix_rq(int irq, void *data) static irqreturn_t enic_isr_msix_wq(int irq, void *data) { struct enic *enic = data; - unsigned int cq = enic_cq_wq(enic, 0); - unsigned int intr = enic_msix_wq_intr(enic, 0); + unsigned int cq; + unsigned int intr; unsigned int wq_work_to_do = -1; /* no limit */ unsigned int wq_work_done; + unsigned int wq_irq; + + wq_irq = (u32)irq - enic->msix_entry[enic_msix_wq_intr(enic, 0)].vector; + cq = enic_cq_wq(enic, wq_irq); + intr = enic_msix_wq_intr(enic, wq_irq); wq_work_done = vnic_cq_service(&enic->cq[cq], wq_work_to_do, enic_wq_service, NULL); @@ -511,14 +516,18 @@ static netdev_tx_t enic_hard_start_xmit(struct sk_buff *skb, struct net_device *netdev) { struct enic *enic = netdev_priv(netdev); - struct vnic_wq *wq = &enic->wq[0]; + struct vnic_wq *wq; unsigned long flags; + unsigned int txq_map; if (skb->len <= 0) { dev_kfree_skb(skb); return NETDEV_TX_OK; } + txq_map = skb_get_queue_mapping(skb) % enic->wq_count; + wq = &enic->wq[txq_map]; + /* Non-TSO sends must fit within ENIC_NON_TSO_MAX_DESC descs, * which is very likely. In the off chance it's going to take * more than * ENIC_NON_TSO_MAX_DESC, linearize the skb. @@ -531,23 +540,23 @@ static netdev_tx_t enic_hard_start_xmit(struct sk_buff *skb, return NETDEV_TX_OK; } - spin_lock_irqsave(&enic->wq_lock[0], flags); + spin_lock_irqsave(&enic->wq_lock[txq_map], flags); if (vnic_wq_desc_avail(wq) < skb_shinfo(skb)->nr_frags + ENIC_DESC_MAX_SPLITS) { - netif_stop_queue(netdev); + netif_tx_stop_queue(netdev_get_tx_queue(netdev, txq_map)); /* This is a hard error, log it */ netdev_err(netdev, "BUG! Tx ring full when queue awake!\n"); - spin_unlock_irqrestore(&enic->wq_lock[0], flags); + spin_unlock_irqrestore(&enic->wq_lock[txq_map], flags); return NETDEV_TX_BUSY; } enic_queue_wq_skb(enic, wq, skb); if (vnic_wq_desc_avail(wq) < MAX_SKB_FRAGS + ENIC_DESC_MAX_SPLITS) - netif_stop_queue(netdev); + netif_tx_stop_queue(netdev_get_tx_queue(netdev, txq_map)); - spin_unlock_irqrestore(&enic->wq_lock[0], flags); + spin_unlock_irqrestore(&enic->wq_lock[txq_map], flags); return NETDEV_TX_OK; } @@ -1369,7 +1378,7 @@ static int enic_open(struct net_device *netdev) enic_set_rx_mode(netdev); - netif_wake_queue(netdev); + netif_tx_wake_all_queues(netdev); for (i = 0; i < enic->rq_count; i++) napi_enable(&enic->napi[i]); @@ -2032,7 +2041,8 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * instance data is initialized to zero. */ - netdev = alloc_etherdev(sizeof(struct enic)); + netdev = alloc_etherdev_mqs(sizeof(struct enic), + ENIC_RQ_MAX, ENIC_WQ_MAX); if (!netdev) return -ENOMEM; @@ -2198,6 +2208,8 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_dev_close; } + netif_set_real_num_tx_queues(netdev, enic->wq_count); + /* Setup notification timer, HW reset task, and wq locks */ |