diff options
| -rw-r--r-- | drivers/net/ixgbe/ixgbe.h | 3 | ||||
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_main.c | 35 |
2 files changed, 11 insertions, 27 deletions
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h index 149cf26b254..c993fc3ab8a 100644 --- a/drivers/net/ixgbe/ixgbe.h +++ b/drivers/net/ixgbe/ixgbe.h @@ -163,8 +163,7 @@ struct ixgbe_ring { #define IXGBE_RING_RX_PS_ENABLED (u8)(1) u8 flags; /* per ring feature flags */ - u16 head; - u16 tail; + u8 __iomem *tail; unsigned int total_bytes; unsigned int total_packets; diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index e838479d2d9..8f2afaa35dd 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -704,8 +704,8 @@ static inline bool ixgbe_check_tx_hang(struct ixgbe_adapter *adapter, " time_stamp <%lx>\n" " jiffies <%lx>\n", tx_ring->queue_index, - IXGBE_READ_REG(hw, tx_ring->head), - IXGBE_READ_REG(hw, tx_ring->tail), + IXGBE_READ_REG(hw, IXGBE_TDH(tx_ring->reg_idx)), + IXGBE_READ_REG(hw, IXGBE_TDT(tx_ring->reg_idx)), tx_ring->next_to_use, eop, tx_ring->tx_buffer_info[eop].time_stamp, jiffies); return true; @@ -991,8 +991,7 @@ static inline void ixgbe_rx_checksum(struct ixgbe_adapter *adapter, skb->ip_summed = CHECKSUM_UNNECESSARY; } -static inline void ixgbe_release_rx_desc(struct ixgbe_hw *hw, - struct ixgbe_ring *rx_ring, u32 val) +static inline void ixgbe_release_rx_desc(struct ixgbe_ring *rx_ring, u32 val) { /* * Force memory writes to complete before letting h/w @@ -1001,7 +1000,7 @@ static inline void ixgbe_release_rx_desc(struct ixgbe_hw *hw, * such as IA-64). */ wmb(); - IXGBE_WRITE_REG(hw, IXGBE_RDT(rx_ring->reg_idx), val); + writel(val, rx_ring->tail); } /** @@ -1089,7 +1088,7 @@ void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter, no_buffers: if (rx_ring->next_to_use != i) { rx_ring->next_to_use = i; - ixgbe_release_rx_desc(&adapter->hw, rx_ring, i); + ixgbe_release_rx_desc(rx_ring, i); } } @@ -2465,8 +2464,7 @@ void ixgbe_configure_tx_ring(struct ixgbe_adapter *adapter, ring->count * sizeof(union ixgbe_adv_tx_desc)); IXGBE_WRITE_REG(hw, IXGBE_TDH(reg_idx), 0); IXGBE_WRITE_REG(hw, IXGBE_TDT(reg_idx), 0); - ring->head = IXGBE_TDH(reg_idx); - ring->tail = IXGBE_TDT(reg_idx); + ring->tail = hw->hw_addr + IXGBE_TDT(reg_idx); /* configure fetching thresholds */ if (adapter->rx_itr_setting == 0) { @@ -2791,8 +2789,7 @@ void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter, ring->count * sizeof(union ixgbe_adv_rx_desc)); IXGBE_WRITE_REG(hw, IXGBE_RDH(reg_idx), 0); IXGBE_WRITE_REG(hw, IXGBE_RDT(reg_idx), 0); - ring->head = IXGBE_RDH(reg_idx); - ring->tail = IXGBE_RDT(reg_idx); + ring->tail = hw->hw_addr + IXGBE_RDT(reg_idx); ixgbe_configure_srrctl(adapter, ring); ixgbe_configure_rscctl(adapter, ring); @@ -3730,11 +3727,6 @@ static void ixgbe_clean_rx_ring(struct ixgbe_adapter *adapter, rx_ring->next_to_clean = 0; rx_ring->next_to_use = 0; - - if (rx_ring->head) - writel(0, adapter->hw.hw_addr + rx_ring->head); - if (rx_ring->tail) - writel(0, adapter->hw.hw_addr + rx_ring->tail); } /** @@ -3767,11 +3759,6 @@ static void ixgbe_clean_tx_ring(struct ixgbe_adapter *adapter, tx_ring->next_to_use = 0; tx_ring->next_to_clean = 0; - - if (tx_ring->head) - writel(0, adapter->hw.hw_addr + tx_ring->head); - if (tx_ring->tail) - writel(0, adapter->hw.hw_addr + tx_ring->tail); } /** @@ -6116,8 +6103,7 @@ dma_error: return 0; } -static void ixgbe_tx_queue(struct ixgbe_adapter *adapter, - struct ixgbe_ring *tx_ring, +static void ixgbe_tx_queue(struct ixgbe_ring *tx_ring, int tx_flags, int count, u32 paylen, u8 hdr_len) { union ixgbe_adv_tx_desc *tx_desc = NULL; @@ -6182,7 +6168,7 @@ static void ixgbe_tx_queue(struct ixgbe_adapter *adapter, wmb(); tx_ring->next_to_use = i; - writel(i, adapter->hw.hw_addr + tx_ring->tail); + writel(i, tx_ring->tail); } static void ixgbe_atr(struct ixgbe_adapter *adapter, struct sk_buff *skb, @@ -6414,8 +6400,7 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, struct net_device *netdev txq = netdev_get_tx_queue(netdev, tx_ring->queue_index); txq->tx_bytes += skb->len; txq->tx_packets++; - ixgbe_tx_queue(adapter, tx_ring, tx_flags, count, skb->len, - hdr_len); + ixgbe_tx_queue(tx_ring, tx_flags, count, skb->len, hdr_len); ixgbe_maybe_stop_tx(netdev, tx_ring, DESC_NEEDED); } else { |