diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_main.c')
-rw-r--r-- | drivers/net/ixgbe/ixgbe_main.c | 105 |
1 files changed, 57 insertions, 48 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index a456578..5c56f2a 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -98,6 +98,8 @@ static struct pci_device_id ixgbe_pci_tbl[] = { board_82599 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP), board_82599 }, + {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP_EM), + board_82599 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_KX4_MEZZ), board_82599 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_CX4), @@ -423,8 +425,8 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector, tx_ring->total_packets += total_packets; tx_ring->stats.packets += total_packets; tx_ring->stats.bytes += total_bytes; - adapter->net_stats.tx_bytes += total_bytes; - adapter->net_stats.tx_packets += total_packets; + netdev->stats.tx_bytes += total_bytes; + netdev->stats.tx_packets += total_packets; return (count < tx_ring->work_limit); } @@ -669,22 +671,14 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter, if (!bi->skb) { struct sk_buff *skb; - skb = netdev_alloc_skb(adapter->netdev, - (rx_ring->rx_buf_len + - NET_IP_ALIGN)); + skb = netdev_alloc_skb_ip_align(adapter->netdev, + rx_ring->rx_buf_len); if (!skb) { adapter->alloc_rx_buff_failed++; goto no_buffers; } - /* - * Make buffer alignment 2 beyond a 16 byte boundary - * this will result in a 16 byte aligned IP header after - * the 14 byte MAC header is removed - */ - skb_reserve(skb, NET_IP_ALIGN); - bi->skb = skb; bi->dma = pci_map_single(pdev, skb->data, rx_ring->rx_buf_len, @@ -735,12 +729,14 @@ static inline u32 ixgbe_get_rsc_count(union ixgbe_adv_rx_desc *rx_desc) /** * ixgbe_transform_rsc_queue - change rsc queue into a full packet * @skb: pointer to the last skb in the rsc queue + * @count: pointer to number of packets coalesced in this context * * This function changes a queue full of hw rsc buffers into a completed * packet. It uses the ->prev pointers to find the first packet and then * turns it into the frag list owner. **/ -static inline struct sk_buff *ixgbe_transform_rsc_queue(struct sk_buff *skb) +static inline struct sk_buff *ixgbe_transform_rsc_queue(struct sk_buff *skb, + u64 *count) { unsigned int frag_list_size = 0; @@ -749,6 +745,7 @@ static inline struct sk_buff *ixgbe_transform_rsc_queue(struct sk_buff *skb) frag_list_size += skb->len; skb->prev = NULL; skb = prev; + *count += 1; } skb_shinfo(skb)->frag_list = skb->next; @@ -764,6 +761,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, int *work_done, int work_to_do) { struct ixgbe_adapter *adapter = q_vector->adapter; + struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; union ixgbe_adv_rx_desc *rx_desc, *next_rxd; struct ixgbe_rx_buffer *rx_buffer_info, *next_buffer; @@ -850,14 +848,20 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, u32 nextp = (staterr & IXGBE_RXDADV_NEXTP_MASK) >> IXGBE_RXDADV_NEXTP_SHIFT; next_buffer = &rx_ring->rx_buffer_info[nextp]; - rx_ring->rsc_count += (rsc_count - 1); } else { next_buffer = &rx_ring->rx_buffer_info[i]; } if (staterr & IXGBE_RXD_STAT_EOP) { if (skb->prev) - skb = ixgbe_transform_rsc_queue(skb); + skb = ixgbe_transform_rsc_queue(skb, &(rx_ring->rsc_count)); + if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) { + if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) + rx_ring->rsc_count += skb_shinfo(skb)->nr_frags; + else + rx_ring->rsc_count++; + rx_ring->rsc_flush++; + } rx_ring->stats.packets++; rx_ring->stats.bytes += skb->len; } else { @@ -935,8 +939,8 @@ next_desc: rx_ring->total_packets += total_rx_packets; rx_ring->total_bytes += total_rx_bytes; - adapter->net_stats.rx_bytes += total_rx_bytes; - adapter->net_stats.rx_packets += total_rx_packets; + netdev->stats.rx_bytes += total_rx_bytes; + netdev->stats.rx_packets += total_rx_packets; return cleaned; } @@ -1209,6 +1213,7 @@ static void ixgbe_check_lsc(struct ixgbe_adapter *adapter) adapter->link_check_timeout = jiffies; if (!test_bit(__IXGBE_DOWN, &adapter->state)) { IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC); + IXGBE_WRITE_FLUSH(hw); schedule_work(&adapter->watchdog_task); } } @@ -1344,8 +1349,6 @@ static irqreturn_t ixgbe_msix_clean_rx(int irq, void *data) if (!q_vector->rxr_count) return IRQ_HANDLED; - r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); - rx_ring = &(adapter->rx_ring[r_idx]); /* disable interrupts on this vector only */ ixgbe_irq_disable_queues(adapter, ((u64)1 << q_vector->v_idx)); napi_schedule(&q_vector->napi); @@ -1667,7 +1670,7 @@ static int ixgbe_request_msix_irqs(struct ixgbe_adapter *adapter) sprintf(adapter->name[vector], "%s:lsc", netdev->name); err = request_irq(adapter->msix_entries[vector].vector, - &ixgbe_msix_lsc, 0, adapter->name[vector], netdev); + ixgbe_msix_lsc, 0, adapter->name[vector], netdev); if (err) { DPRINTK(PROBE, ERR, "request_irq for msix_lsc failed: %d\n", err); @@ -1838,10 +1841,10 @@ static int ixgbe_request_irq(struct ixgbe_adapter *adapter) if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { err = ixgbe_request_msix_irqs(adapter); } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) { - err = request_irq(adapter->pdev->irq, &ixgbe_intr, 0, + err = request_irq(adapter->pdev->irq, ixgbe_intr, 0, netdev->name, netdev); } else { - err = request_irq(adapter->pdev->irq, &ixgbe_intr, IRQF_SHARED, + err = request_irq(adapter->pdev->irq, ixgbe_intr, IRQF_SHARED, netdev->name, netdev); } @@ -2063,18 +2066,18 @@ static u32 ixgbe_setup_mrqc(struct ixgbe_adapter *adapter) * ixgbe_configure_rscctl - enable RSC for the indicated ring * @adapter: address of board private structure * @index: index of ring to set - * @rx_buf_len: rx buffer length **/ -static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, int index, - int rx_buf_len) +static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, int index) { struct ixgbe_ring *rx_ring; struct ixgbe_hw *hw = &adapter->hw; int j; u32 rscctrl; + int rx_buf_len; rx_ring = &adapter->rx_ring[index]; j = rx_ring->reg_idx; + rx_buf_len = rx_ring->rx_buf_len; rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(j)); rscctrl |= IXGBE_RSCCTL_RSCEN; /* @@ -2282,7 +2285,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) { /* Enable 82599 HW-RSC */ for (i = 0; i < adapter->num_rx_queues; i++) - ixgbe_configure_rscctl(adapter, i, rx_buf_len); + ixgbe_configure_rscctl(adapter, i); /* Disable RSC for ACK packets */ IXGBE_WRITE_REG(hw, IXGBE_RSCDBU, @@ -2333,23 +2336,25 @@ static void ixgbe_vlan_rx_register(struct net_device *netdev, * not in DCB mode. */ ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_VLNCTRL); + + /* Disable CFI check */ + ctrl &= ~IXGBE_VLNCTRL_CFIEN; + + /* enable VLAN tag stripping */ if (adapter->hw.mac.type == ixgbe_mac_82598EB) { - ctrl |= IXGBE_VLNCTRL_VME | IXGBE_VLNCTRL_VFE; - ctrl &= ~IXGBE_VLNCTRL_CFIEN; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl); + ctrl |= IXGBE_VLNCTRL_VME; } else if (adapter->hw.mac.type == ixgbe_mac_82599EB) { - ctrl |= IXGBE_VLNCTRL_VFE; - /* enable VLAN tag insert/strip */ - ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_VLNCTRL); - ctrl &= ~IXGBE_VLNCTRL_CFIEN; - IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl); for (i = 0; i < adapter->num_rx_queues; i++) { + u32 ctrl; j = adapter->rx_ring[i].reg_idx; ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXDCTL(j)); ctrl |= IXGBE_RXDCTL_VME; IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXDCTL(j), ctrl); } } + + IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl); + ixgbe_vlan_rx_add_vid(netdev, 0); if (!test_bit(__IXGBE_DOWN, &adapter->state)) @@ -3632,10 +3637,10 @@ static int ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter) * It's easy to be greedy for MSI-X vectors, but it really * doesn't do us much good if we have a lot more vectors * than CPU's. So let's be conservative and only ask for - * (roughly) twice the number of vectors as there are CPU's. + * (roughly) the same number of vectors as there are CPU's. */ v_budget = min(adapter->num_rx_queues + adapter->num_tx_queues, - (int)(num_online_cpus() * 2)) + NON_Q_VECTORS; + (int)num_online_cpus()) + NON_Q_VECTORS; /* * At the same time, hardware can only support a maximum of @@ -4475,18 +4480,23 @@ static void ixgbe_shutdown(struct pci_dev *pdev) **/ void ixgbe_update_stats(struct ixgbe_adapter *adapter) { + struct net_device *netdev = adapter->netdev; struct ixgbe_hw *hw = &adapter->hw; u64 total_mpc = 0; u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot; - if (hw->mac.type == ixgbe_mac_82599EB) { + if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) { u64 rsc_count = 0; + u64 rsc_flush = 0; for (i = 0; i < 16; i++) adapter->hw_rx_no_dma_resources += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); - for (i = 0; i < adapter->num_rx_queues; i++) + for (i = 0; i < adapter->num_rx_queues; i++) { rsc_count += adapter->rx_ring[i].rsc_count; - adapter->rsc_count = rsc_count; + rsc_flush += adapter->rx_ring[i].rsc_flush; + } + adapter->rsc_total_count = rsc_count; + adapter->rsc_total_flush = rsc_flush; } adapter->stats.crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS); @@ -4594,15 +4604,15 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter) adapter->stats.bptc += IXGBE_READ_REG(hw, IXGBE_BPTC); /* Fill out the OS statistics structure */ - adapter->net_stats.multicast = adapter->stats.mprc; + netdev->stats.multicast = adapter->stats.mprc; /* Rx Errors */ - adapter->net_stats.rx_errors = adapter->stats.crcerrs + + netdev->stats.rx_errors = adapter->stats.crcerrs + adapter->stats.rlec; - adapter->net_stats.rx_dropped = 0; - adapter->net_stats.rx_length_errors = adapter->stats.rlec; - adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs; - adapter->net_stats.rx_missed_errors = total_mpc; + netdev->stats.rx_dropped = 0; + netdev->stats.rx_length_errors = adapter->stats.rlec; + netdev->stats.rx_crc_errors = adapter->stats.crcerrs; + netdev->stats.rx_missed_errors = total_mpc; } /** @@ -5372,10 +5382,8 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb, **/ static struct net_device_stats *ixgbe_get_stats(struct net_device *netdev) { - struct ixgbe_adapter *adapter = netdev_priv(netdev); - /* only return the current stats */ - return &adapter->net_stats; + return &netdev->stats; } /** @@ -5527,6 +5535,7 @@ static const struct net_device_ops ixgbe_netdev_ops = { .ndo_fcoe_ddp_done = ixgbe_fcoe_ddp_put, .ndo_fcoe_enable = ixgbe_fcoe_enable, .ndo_fcoe_disable = ixgbe_fcoe_disable, + .ndo_fcoe_get_wwn = ixgbe_fcoe_get_wwn, #endif /* IXGBE_FCOE */ }; |