diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/igb/igb.h | 3 | ||||
| -rw-r--r-- | drivers/net/igb/igb_main.c | 29 |
2 files changed, 16 insertions, 16 deletions
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h index 0c30c5e375c7..2416c12af3fe 100644 --- a/drivers/net/igb/igb.h +++ b/drivers/net/igb/igb.h @@ -175,9 +175,10 @@ struct igb_q_vector { struct igb_ring { struct igb_q_vector *q_vector; /* backlink to q_vector */ - void *desc; /* descriptor ring memory */ + struct net_device *netdev; /* back pointer to net_device */ struct pci_dev *pdev; /* pci device for dma mapping */ dma_addr_t dma; /* phys address of the ring */ + void *desc; /* descriptor ring memory */ unsigned int size; /* length of desc. ring in bytes */ unsigned int count; /* number of desc. in the ring */ u16 next_to_use; diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 00f3f2db2948..3dc8e88c5188 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -101,7 +101,6 @@ static void igb_update_phy_info(unsigned long); static void igb_watchdog(unsigned long); static void igb_watchdog_task(struct work_struct *); static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *, - struct net_device *, struct igb_ring *); static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb, struct net_device *); @@ -437,6 +436,7 @@ static int igb_alloc_queues(struct igb_adapter *adapter) ring->count = adapter->tx_ring_count; ring->queue_index = i; ring->pdev = adapter->pdev; + ring->netdev = adapter->netdev; /* For 82575, context index must be unique per ring. */ if (adapter->hw.mac.type == e1000_82575) ring->flags = IGB_RING_FLAG_TX_CTX_IDX; @@ -447,6 +447,7 @@ static int igb_alloc_queues(struct igb_adapter *adapter) ring->count = adapter->rx_ring_count; ring->queue_index = i; ring->pdev = adapter->pdev; + ring->netdev = adapter->netdev; ring->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE; ring->flags = IGB_RING_FLAG_RX_CSUM; /* enable rx checksum */ /* set flag indicating ring supports SCTP checksum offload */ @@ -3550,9 +3551,10 @@ static inline void igb_tx_queue_adv(struct igb_ring *tx_ring, mmiowb(); } -static int __igb_maybe_stop_tx(struct net_device *netdev, - struct igb_ring *tx_ring, int size) +static int __igb_maybe_stop_tx(struct igb_ring *tx_ring, int size) { + struct net_device *netdev = tx_ring->netdev; + netif_stop_subqueue(netdev, tx_ring->queue_index); /* Herbert's original patch had: @@ -3571,19 +3573,17 @@ static int __igb_maybe_stop_tx(struct net_device *netdev, return 0; } -static int igb_maybe_stop_tx(struct net_device *netdev, - struct igb_ring *tx_ring, int size) +static int igb_maybe_stop_tx(struct igb_ring *tx_ring, int size) { if (igb_desc_unused(tx_ring) >= size) return 0; - return __igb_maybe_stop_tx(netdev, tx_ring, size); + return __igb_maybe_stop_tx(tx_ring, size); } static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb, - struct net_device *netdev, struct igb_ring *tx_ring) { - struct igb_adapter *adapter = netdev_priv(netdev); + struct igb_adapter *adapter = netdev_priv(tx_ring->netdev); unsigned int first; unsigned int tx_flags = 0; u8 hdr_len = 0; @@ -3606,7 +3606,7 @@ static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb, * + 1 desc for skb->data, * + 1 desc for context descriptor, * otherwise try next time */ - if (igb_maybe_stop_tx(netdev, tx_ring, skb_shinfo(skb)->nr_frags + 4)) { + if (igb_maybe_stop_tx(tx_ring, skb_shinfo(skb)->nr_frags + 4)) { /* this is a hard error */ return NETDEV_TX_BUSY; } @@ -3665,7 +3665,7 @@ static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb, igb_tx_queue_adv(tx_ring, tx_flags, count, skb->len, hdr_len); /* Make sure there is space in the ring for the next send. */ - igb_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 4); + igb_maybe_stop_tx(tx_ring, MAX_SKB_FRAGS + 4); return NETDEV_TX_OK; } @@ -3684,7 +3684,7 @@ static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb, * to a flow. Right now, performance is impacted slightly negatively * if using multiple tx queues. If the stack breaks away from a * single qdisc implementation, we can look at this again. */ - return igb_xmit_frame_ring_adv(skb, netdev, tx_ring); + return igb_xmit_frame_ring_adv(skb, tx_ring); } /** @@ -4667,7 +4667,7 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector) { struct igb_adapter *adapter = q_vector->adapter; struct igb_ring *tx_ring = q_vector->tx_ring; - struct net_device *netdev = adapter->netdev; + struct net_device *netdev = tx_ring->netdev; struct e1000_hw *hw = &adapter->hw; struct igb_buffer *buffer_info; struct sk_buff *skb; @@ -4841,8 +4841,8 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector, int *work_done, int budget) { struct igb_adapter *adapter = q_vector->adapter; - struct net_device *netdev = adapter->netdev; struct igb_ring *rx_ring = q_vector->rx_ring; + struct net_device *netdev = rx_ring->netdev; struct e1000_hw *hw = &adapter->hw; struct pci_dev *pdev = rx_ring->pdev; union e1000_adv_rx_desc *rx_desc , *next_rxd; @@ -5018,8 +5018,7 @@ next_desc: static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count) { - struct igb_adapter *adapter = rx_ring->q_vector->adapter; - struct net_device *netdev = adapter->netdev; + struct net_device *netdev = rx_ring->netdev; union e1000_adv_rx_desc *rx_desc; struct igb_buffer *buffer_info; struct sk_buff *skb; |