diff options
-rw-r--r-- | drivers/net/ethernet/intel/ixgbevf/ethtool.c | 30 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbevf/ixgbevf.h | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 150 |
3 files changed, 98 insertions, 86 deletions
diff --git a/drivers/net/ethernet/intel/ixgbevf/ethtool.c b/drivers/net/ethernet/intel/ixgbevf/ethtool.c index 54d9acef9c4e..515ba4e29760 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ethtool.c +++ b/drivers/net/ethernet/intel/ixgbevf/ethtool.c @@ -286,9 +286,9 @@ static int ixgbevf_set_ringparam(struct net_device *netdev, if (!netif_running(adapter->netdev)) { for (i = 0; i < adapter->num_tx_queues; i++) - adapter->tx_ring[i].count = new_tx_count; + adapter->tx_ring[i]->count = new_tx_count; for (i = 0; i < adapter->num_rx_queues; i++) - adapter->rx_ring[i].count = new_rx_count; + adapter->rx_ring[i]->count = new_rx_count; adapter->tx_ring_count = new_tx_count; adapter->rx_ring_count = new_rx_count; goto clear_reset; @@ -303,7 +303,7 @@ static int ixgbevf_set_ringparam(struct net_device *netdev, for (i = 0; i < adapter->num_tx_queues; i++) { /* clone ring and setup updated count */ - tx_ring[i] = adapter->tx_ring[i]; + tx_ring[i] = *adapter->tx_ring[i]; tx_ring[i].count = new_tx_count; err = ixgbevf_setup_tx_resources(adapter, &tx_ring[i]); if (!err) @@ -329,7 +329,7 @@ static int ixgbevf_set_ringparam(struct net_device *netdev, for (i = 0; i < adapter->num_rx_queues; i++) { /* clone ring and setup updated count */ - rx_ring[i] = adapter->rx_ring[i]; + rx_ring[i] = *adapter->rx_ring[i]; rx_ring[i].count = new_rx_count; err = ixgbevf_setup_rx_resources(adapter, &rx_ring[i]); if (!err) @@ -352,9 +352,8 @@ static int ixgbevf_set_ringparam(struct net_device *netdev, /* Tx */ if (tx_ring) { for (i = 0; i < adapter->num_tx_queues; i++) { - ixgbevf_free_tx_resources(adapter, - &adapter->tx_ring[i]); - adapter->tx_ring[i] = tx_ring[i]; + ixgbevf_free_tx_resources(adapter, adapter->tx_ring[i]); + *adapter->tx_ring[i] = tx_ring[i]; } adapter->tx_ring_count = new_tx_count; @@ -365,9 +364,8 @@ static int ixgbevf_set_ringparam(struct net_device *netdev, /* Rx */ if (rx_ring) { for (i = 0; i < adapter->num_rx_queues; i++) { - ixgbevf_free_rx_resources(adapter, - &adapter->rx_ring[i]); - adapter->rx_ring[i] = rx_ring[i]; + ixgbevf_free_rx_resources(adapter, adapter->rx_ring[i]); + *adapter->rx_ring[i] = rx_ring[i]; } adapter->rx_ring_count = new_rx_count; @@ -413,15 +411,15 @@ static void ixgbevf_get_ethtool_stats(struct net_device *netdev, tx_yields = 0, tx_cleaned = 0, tx_missed = 0; for (i = 0; i < adapter->num_rx_queues; i++) { - rx_yields += adapter->rx_ring[i].bp_yields; - rx_cleaned += adapter->rx_ring[i].bp_cleaned; - rx_yields += adapter->rx_ring[i].bp_yields; + rx_yields += adapter->rx_ring[i]->bp_yields; + rx_cleaned += adapter->rx_ring[i]->bp_cleaned; + rx_yields += adapter->rx_ring[i]->bp_yields; } for (i = 0; i < adapter->num_tx_queues; i++) { - tx_yields += adapter->tx_ring[i].bp_yields; - tx_cleaned += adapter->tx_ring[i].bp_cleaned; - tx_yields += adapter->tx_ring[i].bp_yields; + tx_yields += adapter->tx_ring[i]->bp_yields; + tx_cleaned += adapter->tx_ring[i]->bp_cleaned; + tx_yields += adapter->tx_ring[i]->bp_yields; } adapter->bp_rx_yields = rx_yields; diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h index d7cec1d59821..0547e40980cb 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h @@ -327,7 +327,7 @@ struct ixgbevf_adapter { u32 eims_other; /* TX */ - struct ixgbevf_ring *tx_ring; /* One per active queue */ + struct ixgbevf_ring *tx_ring[MAX_TX_QUEUES]; /* One per active queue */ int num_tx_queues; u64 restart_queue; u64 hw_csum_tx_good; @@ -337,7 +337,7 @@ struct ixgbevf_adapter { u32 tx_timeout_count; /* RX */ - struct ixgbevf_ring *rx_ring; /* One per active queue */ + struct ixgbevf_ring *rx_ring[MAX_TX_QUEUES]; /* One per active queue */ int num_rx_queues; u64 hw_csum_rx_error; u64 hw_rx_no_dma_resources; diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 74af295ae019..202fc47e00d2 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -848,8 +848,8 @@ static inline void map_vector_to_rxq(struct ixgbevf_adapter *a, int v_idx, { struct ixgbevf_q_vector *q_vector = a->q_vector[v_idx]; - a->rx_ring[r_idx].next = q_vector->rx.ring; - q_vector->rx.ring = &a->rx_ring[r_idx]; + a->rx_ring[r_idx]->next = q_vector->rx.ring; + q_vector->rx.ring = a->rx_ring[r_idx]; q_vector->rx.count++; } @@ -858,8 +858,8 @@ static inline void map_vector_to_txq(struct ixgbevf_adapter *a, int v_idx, { struct ixgbevf_q_vector *q_vector = a->q_vector[v_idx]; - a->tx_ring[t_idx].next = q_vector->tx.ring; - q_vector->tx.ring = &a->tx_ring[t_idx]; + a->tx_ring[t_idx]->next = q_vector->tx.ring; + q_vector->tx.ring = a->tx_ring[t_idx]; q_vector->tx.count++; } @@ -1100,7 +1100,7 @@ static void ixgbevf_configure_tx(struct ixgbevf_adapter *adapter) /* Setup the HW Tx Head and Tail descriptor pointers */ for (i = 0; i < adapter->num_tx_queues; i++) { - struct ixgbevf_ring *ring = &adapter->tx_ring[i]; + struct ixgbevf_ring *ring = adapter->tx_ring[i]; j = ring->reg_idx; tdba = ring->dma; tdlen = ring->count * sizeof(union ixgbe_adv_tx_desc); @@ -1130,7 +1130,7 @@ static void ixgbevf_configure_srrctl(struct ixgbevf_adapter *adapter, int index) struct ixgbe_hw *hw = &adapter->hw; u32 srrctl; - rx_ring = &adapter->rx_ring[index]; + rx_ring = adapter->rx_ring[index]; srrctl = IXGBE_SRRCTL_DROP_EN; @@ -1188,7 +1188,7 @@ static void ixgbevf_set_rx_buffer_len(struct ixgbevf_adapter *adapter) rx_buf_len = IXGBEVF_RXBUFFER_10K; for (i = 0; i < adapter->num_rx_queues; i++) - adapter->rx_ring[i].rx_buf_len = rx_buf_len; + adapter->rx_ring[i]->rx_buf_len = rx_buf_len; } /** @@ -1212,7 +1212,7 @@ static void ixgbevf_configure_rx(struct ixgbevf_adapter *adapter) /* Setup the HW Rx Head and Tail Descriptor Pointers and * the Base and Length of the Rx Descriptor Ring */ for (i = 0; i < adapter->num_rx_queues; i++) { - struct ixgbevf_ring *ring = &adapter->rx_ring[i]; + struct ixgbevf_ring *ring = adapter->rx_ring[i]; rdba = ring->dma; j = ring->reg_idx; rdlen = ring->count * sizeof(union ixgbe_adv_rx_desc); @@ -1389,7 +1389,7 @@ static int ixgbevf_configure_dcb(struct ixgbevf_adapter *adapter) if (num_tcs > 1) { /* update default Tx ring register index */ - adapter->tx_ring[0].reg_idx = def_q; + adapter->tx_ring[0]->reg_idx = def_q; /* we need as many queues as traffic classes */ num_rx_queues = num_tcs; @@ -1421,7 +1421,7 @@ static void ixgbevf_configure(struct ixgbevf_adapter *adapter) ixgbevf_configure_tx(adapter); ixgbevf_configure_rx(adapter); for (i = 0; i < adapter->num_rx_queues; i++) { - struct ixgbevf_ring *ring = &adapter->rx_ring[i]; + struct ixgbevf_ring *ring = adapter->rx_ring[i]; ixgbevf_alloc_rx_buffers(adapter, ring, ixgbevf_desc_unused(ring)); } @@ -1429,24 +1429,23 @@ static void ixgbevf_configure(struct ixgbevf_adapter *adapter) #define IXGBEVF_MAX_RX_DESC_POLL 10 static void ixgbevf_rx_desc_queue_enable(struct ixgbevf_adapter *adapter, - int rxr) + struct ixgbevf_ring *ring) { struct ixgbe_hw *hw = &adapter->hw; int wait_loop = IXGBEVF_MAX_RX_DESC_POLL; u32 rxdctl; - int j = adapter->rx_ring[rxr].reg_idx; + u8 reg_idx = ring->reg_idx; do { usleep_range(1000, 2000); - rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(j)); + rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(reg_idx)); } while (--wait_loop && !(rxdctl & IXGBE_RXDCTL_ENABLE)); if (!wait_loop) hw_dbg(hw, "RXDCTL.ENABLE queue %d not set while polling\n", - rxr); + reg_idx); - ixgbevf_release_rx_desc(&adapter->rx_ring[rxr], - (adapter->rx_ring[rxr].count - 1)); + ixgbevf_release_rx_desc(ring, ring->count - 1); } static void ixgbevf_disable_rx_queue(struct ixgbevf_adapter *adapter, @@ -1541,7 +1540,7 @@ static void ixgbevf_up_complete(struct ixgbevf_adapter *adapter) u32 txdctl, rxdctl; for (i = 0; i < adapter->num_tx_queues; i++) { - j = adapter->tx_ring[i].reg_idx; + j = adapter->tx_ring[i]->reg_idx; txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(j)); /* enable WTHRESH=8 descriptors, to encourage burst writeback */ txdctl |= (8 << 16); @@ -1549,14 +1548,14 @@ static void ixgbevf_up_complete(struct ixgbevf_adapter *adapter) } for (i = 0; i < adapter->num_tx_queues; i++) { - j = adapter->tx_ring[i].reg_idx; + j = adapter->tx_ring[i]->reg_idx; txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(j)); txdctl |= IXGBE_TXDCTL_ENABLE; IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(j), txdctl); } for (i = 0; i < num_rx_rings; i++) { - j = adapter->rx_ring[i].reg_idx; + j = adapter->rx_ring[i]->reg_idx; rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(j)); rxdctl |= IXGBE_RXDCTL_ENABLE | IXGBE_RXDCTL_VME; if (hw->mac.type == ixgbe_mac_X540_vf) { @@ -1565,7 +1564,7 @@ static void ixgbevf_up_complete(struct ixgbevf_adapter *adapter) IXGBE_RXDCTL_RLPML_EN); } IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(j), rxdctl); - ixgbevf_rx_desc_queue_enable(adapter, i); + ixgbevf_rx_desc_queue_enable(adapter, adapter->rx_ring[i]); } ixgbevf_configure_msix(adapter); @@ -1686,7 +1685,7 @@ static void ixgbevf_clean_all_rx_rings(struct ixgbevf_adapter *adapter) int i; for (i = 0; i < adapter->num_rx_queues; i++) - ixgbevf_clean_rx_ring(adapter, &adapter->rx_ring[i]); + ixgbevf_clean_rx_ring(adapter, adapter->rx_ring[i]); } /** @@ -1698,7 +1697,7 @@ static void ixgbevf_clean_all_tx_rings(struct ixgbevf_adapter *adapter) int i; for (i = 0; i < adapter->num_tx_queues; i++) - ixgbevf_clean_tx_ring(adapter, &adapter->tx_ring[i]); + ixgbevf_clean_tx_ring(adapter, adapter->tx_ring[i]); } void ixgbevf_down(struct ixgbevf_adapter *adapter) @@ -1713,7 +1712,7 @@ void ixgbevf_down(struct ixgbevf_adapter *adapter) /* disable all enabled rx queues */ for (i = 0; i < adapter->num_rx_queues; i++) - ixgbevf_disable_rx_queue(adapter, &adapter->rx_ring[i]); + ixgbevf_disable_rx_queue(adapter, adapter->rx_ring[i]); netif_tx_disable(netdev); @@ -1734,7 +1733,7 @@ void ixgbevf_down(struct ixgbevf_adapter *adapter) /* disable transmits in the hardware now that interrupts are off */ for (i = 0; i < adapter->num_tx_queues; i++) { - j = adapter->tx_ring[i].reg_idx; + j = adapter->tx_ring[i]->reg_idx; txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(j)); IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(j), (txdctl & ~IXGBE_TXDCTL_ENABLE)); @@ -1875,40 +1874,50 @@ static void ixgbevf_set_num_queues(struct ixgbevf_adapter *adapter) **/ static int ixgbevf_alloc_queues(struct ixgbevf_adapter *adapter) { - int i; + struct ixgbevf_ring *ring; + int rx = 0, tx = 0; - adapter->tx_ring = kcalloc(adapter->num_tx_queues, - sizeof(struct ixgbevf_ring), GFP_KERNEL); - if (!adapter->tx_ring) - goto err_tx_ring_allocation; + for (; tx < adapter->num_tx_queues; tx++) { + ring = kzalloc(sizeof(*ring), GFP_KERNEL); + if (!ring) + goto err_allocation; - adapter->rx_ring = kcalloc(adapter->num_rx_queues, - sizeof(struct ixgbevf_ring), GFP_KERNEL); - if (!adapter->rx_ring) - goto err_rx_ring_allocation; + ring->dev = &adapter->pdev->dev; + ring->netdev = adapter->netdev; + ring->count = adapter->tx_ring_count; + ring->queue_index = tx; + ring->reg_idx = tx; - for (i = 0; i < adapter->num_tx_queues; i++) { - adapter->tx_ring[i].count = adapter->tx_ring_count; - adapter->tx_ring[i].queue_index = i; - /* reg_idx may be remapped later by DCB config */ - adapter->tx_ring[i].reg_idx = i; - adapter->tx_ring[i].dev = &adapter->pdev->dev; - adapter->tx_ring[i].netdev = adapter->netdev; + adapter->tx_ring[tx] = ring; } - for (i = 0; i < adapter->num_rx_queues; i++) { - adapter->rx_ring[i].count = adapter->rx_ring_count; - adapter->rx_ring[i].queue_index = i; - adapter->rx_ring[i].reg_idx = i; - adapter->rx_ring[i].dev = &adapter->pdev->dev; - adapter->rx_ring[i].netdev = adapter->netdev; + for (; rx < adapter->num_rx_queues; rx++) { + ring = kzalloc(sizeof(*ring), GFP_KERNEL); + if (!ring) + goto err_allocation; + + ring->dev = &adapter->pdev->dev; + ring->netdev = adapter->netdev; + + ring->count = adapter->rx_ring_count; + ring->queue_index = rx; + ring->reg_idx = rx; + + adapter->rx_ring[rx] = ring; } return 0; -err_rx_ring_allocation: - kfree(adapter->tx_ring); -err_tx_ring_allocation: +err_allocation: + while (tx) { + kfree(adapter->tx_ring[--tx]); + adapter->tx_ring[tx] = NULL; + } + + while (rx) { + kfree(adapter->rx_ring[--rx]); + adapter->rx_ring[rx] = NULL; + } return -ENOMEM; } @@ -2099,6 +2108,17 @@ err_set_interrupt: **/ static void ixgbevf_clear_interrupt_scheme(struct ixgbevf_adapter *adapter) { + int i; + + for (i = 0; i < adapter->num_tx_queues; i++) { + kfree(adapter->tx_ring[i]); + adapter->tx_ring[i] = NULL; + } + for (i = 0; i < adapter->num_rx_queues; i++) { + kfree(adapter->rx_ring[i]); + adapter->rx_ring[i] = NULL; + } + adapter->num_tx_queues = 0; adapter->num_rx_queues = 0; @@ -2229,11 +2249,11 @@ void ixgbevf_update_stats(struct ixgbevf_adapter *adapter) for (i = 0; i < adapter->num_rx_queues; i++) { adapter->hw_csum_rx_error += - adapter->rx_ring[i].hw_csum_rx_error; + adapter->rx_ring[i]->hw_csum_rx_error; adapter->hw_csum_rx_good += - adapter->rx_ring[i].hw_csum_rx_good; - adapter->rx_ring[i].hw_csum_rx_error = 0; - adapter->rx_ring[i].hw_csum_rx_good = 0; + adapter->rx_ring[i]->hw_csum_rx_good; + adapter->rx_ring[i]->hw_csum_rx_error = 0; + adapter->rx_ring[i]->hw_csum_rx_good = 0; } } @@ -2413,10 +2433,8 @@ static void ixgbevf_free_all_tx_resources(struct ixgbevf_adapter *adapter) int i; for (i = 0; i < adapter->num_tx_queues; i++) - if (adapter->tx_ring[i].desc) - ixgbevf_free_tx_resources(adapter, - &adapter->tx_ring[i]); - + if (adapter->tx_ring[i]->desc) + ixgbevf_free_tx_resources(adapter, adapter->tx_ring[i]); } /** @@ -2471,7 +2489,7 @@ static int ixgbevf_setup_all_tx_resources(struct ixgbevf_adapter *adapter) int i, err = 0; for (i = 0; i < adapter->num_tx_queues; i++) { - err = ixgbevf_setup_tx_resources(adapter, &adapter->tx_ring[i]); + err = ixgbevf_setup_tx_resources(adapter, adapter->tx_ring[i]); if (!err) continue; hw_dbg(&adapter->hw, @@ -2533,7 +2551,7 @@ static int ixgbevf_setup_all_rx_resources(struct ixgbevf_adapter *adapter) int i, err = 0; for (i = 0; i < adapter->num_rx_queues; i++) { - err = ixgbevf_setup_rx_resources(adapter, &adapter->rx_ring[i]); + err = ixgbevf_setup_rx_resources(adapter, adapter->rx_ring[i]); if (!err) continue; hw_dbg(&adapter->hw, @@ -2577,9 +2595,8 @@ static void ixgbevf_free_all_rx_resources(struct ixgbevf_adapter *adapter) int i; for (i = 0; i < adapter->num_rx_queues; i++) - if (adapter->rx_ring[i].desc) - ixgbevf_free_rx_resources(adapter, - &adapter->rx_ring[i]); + if (adapter->rx_ring[i]->desc) + ixgbevf_free_rx_resources(adapter, adapter->rx_ring[i]); } /** @@ -3069,7 +3086,7 @@ static int ixgbevf_xmit_frame(struct sk_buff *skb, struct net_device *netdev) return NETDEV_TX_OK; } - tx_ring = &adapter->tx_ring[r_idx]; + tx_ring = adapter->tx_ring[r_idx]; /* * need: 1 descriptor per page * PAGE_SIZE/IXGBE_MAX_DATA_PER_TXD, @@ -3282,7 +3299,7 @@ static struct rtnl_link_stats64 *ixgbevf_get_stats(struct net_device *netdev, stats->multicast = adapter->stats.vfmprc - adapter->stats.base_vfmprc; for (i = 0; i < adapter->num_rx_queues; i++) { - ring = &adapter->rx_ring[i]; + ring = adapter->rx_ring[i]; do { start = u64_stats_fetch_begin_bh(&ring->syncp); bytes = ring->total_bytes; @@ -3293,7 +3310,7 @@ static struct rtnl_link_stats64 *ixgbevf_get_stats(struct net_device *netdev, } for (i = 0; i < adapter->num_tx_queues; i++) { - ring = &adapter->tx_ring[i]; + ring = adapter->tx_ring[i]; do { start = u64_stats_fetch_begin_bh(&ring->syncp); bytes = ring->total_bytes; @@ -3528,9 +3545,6 @@ static void ixgbevf_remove(struct pci_dev *pdev) hw_dbg(&adapter->hw, "Remove complete\n"); - kfree(adapter->tx_ring); - kfree(adapter->rx_ring); - free_netdev(netdev); pci_disable_device(pdev); |