diff options
Diffstat (limited to 'drivers/net/igb/igb_main.c')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 487 |
1 files changed, 408 insertions, 79 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index c19b1e0caec..589cf4a6427 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -201,6 +201,336 @@ MODULE_DESCRIPTION("Intel(R) Gigabit Ethernet Network Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); +struct igb_reg_info { + u32 ofs; + char *name; +}; + +static const struct igb_reg_info igb_reg_info_tbl[] = { + + /* General Registers */ + {E1000_CTRL, "CTRL"}, + {E1000_STATUS, "STATUS"}, + {E1000_CTRL_EXT, "CTRL_EXT"}, + + /* Interrupt Registers */ + {E1000_ICR, "ICR"}, + + /* RX Registers */ + {E1000_RCTL, "RCTL"}, + {E1000_RDLEN(0), "RDLEN"}, + {E1000_RDH(0), "RDH"}, + {E1000_RDT(0), "RDT"}, + {E1000_RXDCTL(0), "RXDCTL"}, + {E1000_RDBAL(0), "RDBAL"}, + {E1000_RDBAH(0), "RDBAH"}, + + /* TX Registers */ + {E1000_TCTL, "TCTL"}, + {E1000_TDBAL(0), "TDBAL"}, + {E1000_TDBAH(0), "TDBAH"}, + {E1000_TDLEN(0), "TDLEN"}, + {E1000_TDH(0), "TDH"}, + {E1000_TDT(0), "TDT"}, + {E1000_TXDCTL(0), "TXDCTL"}, + {E1000_TDFH, "TDFH"}, + {E1000_TDFT, "TDFT"}, + {E1000_TDFHS, "TDFHS"}, + {E1000_TDFPC, "TDFPC"}, + + /* List Terminator */ + {} +}; + +/* + * igb_regdump - register printout routine + */ +static void igb_regdump(struct e1000_hw *hw, struct igb_reg_info *reginfo) +{ + int n = 0; + char rname[16]; + u32 regs[8]; + + switch (reginfo->ofs) { + case E1000_RDLEN(0): + for (n = 0; n < 4; n++) + regs[n] = rd32(E1000_RDLEN(n)); + break; + case E1000_RDH(0): + for (n = 0; n < 4; n++) + regs[n] = rd32(E1000_RDH(n)); + break; + case E1000_RDT(0): + for (n = 0; n < 4; n++) + regs[n] = rd32(E1000_RDT(n)); + break; + case E1000_RXDCTL(0): + for (n = 0; n < 4; n++) + regs[n] = rd32(E1000_RXDCTL(n)); + break; + case E1000_RDBAL(0): + for (n = 0; n < 4; n++) + regs[n] = rd32(E1000_RDBAL(n)); + break; + case E1000_RDBAH(0): + for (n = 0; n < 4; n++) + regs[n] = rd32(E1000_RDBAH(n)); + break; + case E1000_TDBAL(0): + for (n = 0; n < 4; n++) + regs[n] = rd32(E1000_RDBAL(n)); + break; + case E1000_TDBAH(0): + for (n = 0; n < 4; n++) + regs[n] = rd32(E1000_TDBAH(n)); + break; + case E1000_TDLEN(0): + for (n = 0; n < 4; n++) + regs[n] = rd32(E1000_TDLEN(n)); + break; + case E1000_TDH(0): + for (n = 0; n < 4; n++) + regs[n] = rd32(E1000_TDH(n)); + break; + case E1000_TDT(0): + for (n = 0; n < 4; n++) + regs[n] = rd32(E1000_TDT(n)); + break; + case E1000_TXDCTL(0): + for (n = 0; n < 4; n++) + regs[n] = rd32(E1000_TXDCTL(n)); + break; + default: + printk(KERN_INFO "%-15s %08x\n", + reginfo->name, rd32(reginfo->ofs)); + return; + } + + snprintf(rname, 16, "%s%s", reginfo->name, "[0-3]"); + printk(KERN_INFO "%-15s ", rname); + for (n = 0; n < 4; n++) + printk(KERN_CONT "%08x ", regs[n]); + printk(KERN_CONT "\n"); +} + +/* + * igb_dump - Print registers, tx-rings and rx-rings + */ +static void igb_dump(struct igb_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + struct e1000_hw *hw = &adapter->hw; + struct igb_reg_info *reginfo; + int n = 0; + struct igb_ring *tx_ring; + union e1000_adv_tx_desc *tx_desc; + struct my_u0 { u64 a; u64 b; } *u0; + struct igb_buffer *buffer_info; + struct igb_ring *rx_ring; + union e1000_adv_rx_desc *rx_desc; + u32 staterr; + int i = 0; + + if (!netif_msg_hw(adapter)) + return; + + /* Print netdevice Info */ + if (netdev) { + dev_info(&adapter->pdev->dev, "Net device Info\n"); + printk(KERN_INFO "Device Name state " + "trans_start last_rx\n"); + printk(KERN_INFO "%-15s %016lX %016lX %016lX\n", + netdev->name, + netdev->state, + netdev->trans_start, + netdev->last_rx); + } + + /* Print Registers */ + dev_info(&adapter->pdev->dev, "Register Dump\n"); + printk(KERN_INFO " Register Name Value\n"); + for (reginfo = (struct igb_reg_info *)igb_reg_info_tbl; + reginfo->name; reginfo++) { + igb_regdump(hw, reginfo); + } + + /* Print TX Ring Summary */ + if (!netdev || !netif_running(netdev)) + goto exit; + + dev_info(&adapter->pdev->dev, "TX Rings Summary\n"); + printk(KERN_INFO "Queue [NTU] [NTC] [bi(ntc)->dma ]" + " leng ntw timestamp\n"); + for (n = 0; n < adapter->num_tx_queues; n++) { + tx_ring = adapter->tx_ring[n]; + buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean]; + printk(KERN_INFO " %5d %5X %5X %016llX %04X %3X %016llX\n", + n, tx_ring->next_to_use, tx_ring->next_to_clean, + (u64)buffer_info->dma, + buffer_info->length, + buffer_info->next_to_watch, + (u64)buffer_info->time_stamp); + } + + /* Print TX Rings */ + if (!netif_msg_tx_done(adapter)) + goto rx_ring_summary; + + dev_info(&adapter->pdev->dev, "TX Rings Dump\n"); + + /* Transmit Descriptor Formats + * + * Advanced Transmit Descriptor + * +--------------------------------------------------------------+ + * 0 | Buffer Address [63:0] | + * +--------------------------------------------------------------+ + * 8 | PAYLEN | PORTS |CC|IDX | STA | DCMD |DTYP|MAC|RSV| DTALEN | + * +--------------------------------------------------------------+ + * 63 46 45 40 39 38 36 35 32 31 24 15 0 + */ + + for (n = 0; n < adapter->num_tx_queues; n++) { + tx_ring = adapter->tx_ring[n]; + printk(KERN_INFO "------------------------------------\n"); + printk(KERN_INFO "TX QUEUE INDEX = %d\n", tx_ring->queue_index); + printk(KERN_INFO "------------------------------------\n"); + printk(KERN_INFO "T [desc] [address 63:0 ] " + "[PlPOCIStDDM Ln] [bi->dma ] " + "leng ntw timestamp bi->skb\n"); + + for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) { + tx_desc = E1000_TX_DESC_ADV(*tx_ring, i); + buffer_info = &tx_ring->buffer_info[i]; + u0 = (struct my_u0 *)tx_desc; + printk(KERN_INFO "T [0x%03X] %016llX %016llX %016llX" + " %04X %3X %016llX %p", i, + le64_to_cpu(u0->a), + le64_to_cpu(u0->b), + (u64)buffer_info->dma, + buffer_info->length, + buffer_info->next_to_watch, + (u64)buffer_info->time_stamp, + buffer_info->skb); + if (i == tx_ring->next_to_use && + i == tx_ring->next_to_clean) + printk(KERN_CONT " NTC/U\n"); + else if (i == tx_ring->next_to_use) + printk(KERN_CONT " NTU\n"); + else if (i == tx_ring->next_to_clean) + printk(KERN_CONT " NTC\n"); + else + printk(KERN_CONT "\n"); + + if (netif_msg_pktdata(adapter) && buffer_info->dma != 0) + print_hex_dump(KERN_INFO, "", + DUMP_PREFIX_ADDRESS, + 16, 1, phys_to_virt(buffer_info->dma), + buffer_info->length, true); + } + } + + /* Print RX Rings Summary */ +rx_ring_summary: + dev_info(&adapter->pdev->dev, "RX Rings Summary\n"); + printk(KERN_INFO "Queue [NTU] [NTC]\n"); + for (n = 0; n < adapter->num_rx_queues; n++) { + rx_ring = adapter->rx_ring[n]; + printk(KERN_INFO " %5d %5X %5X\n", n, + rx_ring->next_to_use, rx_ring->next_to_clean); + } + + /* Print RX Rings */ + if (!netif_msg_rx_status(adapter)) + goto exit; + + dev_info(&adapter->pdev->dev, "RX Rings Dump\n"); + + /* Advanced Receive Descriptor (Read) Format + * 63 1 0 + * +-----------------------------------------------------+ + * 0 | Packet Buffer Address [63:1] |A0/NSE| + * +----------------------------------------------+------+ + * 8 | Header Buffer Address [63:1] | DD | + * +-----------------------------------------------------+ + * + * + * Advanced Receive Descriptor (Write-Back) Format + * + * 63 48 47 32 31 30 21 20 17 16 4 3 0 + * +------------------------------------------------------+ + * 0 | Packet IP |SPH| HDR_LEN | RSV|Packet| RSS | + * | Checksum Ident | | | | Type | Type | + * +------------------------------------------------------+ + * 8 | VLAN Tag | Length | Extended Error | Extended Status | + * +------------------------------------------------------+ + * 63 48 47 32 31 20 19 0 + */ + + for (n = 0; n < adapter->num_rx_queues; n++) { + rx_ring = adapter->rx_ring[n]; + printk(KERN_INFO "------------------------------------\n"); + printk(KERN_INFO "RX QUEUE INDEX = %d\n", rx_ring->queue_index); + printk(KERN_INFO "------------------------------------\n"); + printk(KERN_INFO "R [desc] [ PktBuf A0] " + "[ HeadBuf DD] [bi->dma ] [bi->skb] " + "<-- Adv Rx Read format\n"); + printk(KERN_INFO "RWB[desc] [PcsmIpSHl PtRs] " + "[vl er S cks ln] ---------------- [bi->skb] " + "<-- Adv Rx Write-Back format\n"); + + for (i = 0; i < rx_ring->count; i++) { + buffer_info = &rx_ring->buffer_info[i]; + rx_desc = E1000_RX_DESC_ADV(*rx_ring, i); + u0 = (struct my_u0 *)rx_desc; + staterr = le32_to_cpu(rx_desc->wb.upper.status_error); + if (staterr & E1000_RXD_STAT_DD) { + /* Descriptor Done */ + printk(KERN_INFO "RWB[0x%03X] %016llX " + "%016llX ---------------- %p", i, + le64_to_cpu(u0->a), + le64_to_cpu(u0->b), + buffer_info->skb); + } else { + printk(KERN_INFO "R [0x%03X] %016llX " + "%016llX %016llX %p", i, + le64_to_cpu(u0->a), + le64_to_cpu(u0->b), + (u64)buffer_info->dma, + buffer_info->skb); + + if (netif_msg_pktdata(adapter)) { + print_hex_dump(KERN_INFO, "", + DUMP_PREFIX_ADDRESS, + 16, 1, + phys_to_virt(buffer_info->dma), + rx_ring->rx_buffer_len, true); + if (rx_ring->rx_buffer_len + < IGB_RXBUFFER_1024) + print_hex_dump(KERN_INFO, "", + DUMP_PREFIX_ADDRESS, + 16, 1, + phys_to_virt( + buffer_info->page_dma + + buffer_info->page_offset), + PAGE_SIZE/2, true); + } + } + + if (i == rx_ring->next_to_use) + printk(KERN_CONT " NTU\n"); + else if (i == rx_ring->next_to_clean) + printk(KERN_CONT " NTC\n"); + else + printk(KERN_CONT "\n"); + + } + } + +exit: + return; +} + + /** * igb_read_clock - read raw cycle counter (to be used by time counter) */ @@ -350,7 +680,7 @@ static int igb_alloc_queues(struct igb_adapter *adapter) goto err; ring->count = adapter->tx_ring_count; ring->queue_index = i; - ring->pdev = adapter->pdev; + ring->dev = &adapter->pdev->dev; ring->netdev = adapter->netdev; /* For 82575, context index must be unique per ring. */ if (adapter->hw.mac.type == e1000_82575) @@ -364,7 +694,7 @@ static int igb_alloc_queues(struct igb_adapter *adapter) goto err; ring->count = adapter->rx_ring_count; ring->queue_index = i; - ring->pdev = adapter->pdev; + ring->dev = &adapter->pdev->dev; ring->netdev = adapter->netdev; ring->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE; ring->flags = IGB_RING_FLAG_RX_CSUM; /* enable rx checksum */ @@ -1398,15 +1728,15 @@ static int __devinit igb_probe(struct pci_dev *pdev, return err; pci_using_dac = 0; - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); + err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); if (!err) { - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); + err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)); if (!err) pci_using_dac = 1; } else { - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); if (err) { - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); + err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); if (err) { dev_err(&pdev->dev, "No usable DMA " "configuration, aborting\n"); @@ -1638,6 +1968,7 @@ static int __devinit igb_probe(struct pci_dev *pdev, dev_info(&pdev->dev, "%s: (PCIe:%s:%s) %pM\n", netdev->name, ((hw->bus.speed == e1000_bus_speed_2500) ? "2.5Gb/s" : + (hw->bus.speed == e1000_bus_speed_5000) ? "5.0Gb/s" : "unknown"), ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" : (hw->bus.width == e1000_bus_width_pcie_x2) ? "Width x2" : @@ -2079,7 +2410,7 @@ static int igb_close(struct net_device *netdev) **/ int igb_setup_tx_resources(struct igb_ring *tx_ring) { - struct pci_dev *pdev = tx_ring->pdev; + struct device *dev = tx_ring->dev; int size; size = sizeof(struct igb_buffer) * tx_ring->count; @@ -2092,9 +2423,10 @@ int igb_setup_tx_resources(struct igb_ring *tx_ring) tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc); tx_ring->size = ALIGN(tx_ring->size, 4096); - tx_ring->desc = pci_alloc_consistent(pdev, - tx_ring->size, - &tx_ring->dma); + tx_ring->desc = dma_alloc_coherent(dev, + tx_ring->size, + &tx_ring->dma, + GFP_KERNEL); if (!tx_ring->desc) goto err; @@ -2105,7 +2437,7 @@ int igb_setup_tx_resources(struct igb_ring *tx_ring) err: vfree(tx_ring->buffer_info); - dev_err(&pdev->dev, + dev_err(dev, "Unable to allocate memory for the transmit descriptor ring\n"); return -ENOMEM; } @@ -2229,7 +2561,7 @@ static void igb_configure_tx(struct igb_adapter *adapter) **/ int igb_setup_rx_resources(struct igb_ring *rx_ring) { - struct pci_dev *pdev = rx_ring->pdev; + struct device *dev = rx_ring->dev; int size, desc_len; size = sizeof(struct igb_buffer) * rx_ring->count; @@ -2244,8 +2576,10 @@ int igb_setup_rx_resources(struct igb_ring *rx_ring) rx_ring->size = rx_ring->count * desc_len; rx_ring->size = ALIGN(rx_ring->size, 4096); - rx_ring->desc = pci_alloc_consistent(pdev, rx_ring->size, - &rx_ring->dma); + rx_ring->desc = dma_alloc_coherent(dev, + rx_ring->size, + &rx_ring->dma, + GFP_KERNEL); if (!rx_ring->desc) goto err; @@ -2258,8 +2592,8 @@ int igb_setup_rx_resources(struct igb_ring *rx_ring) err: vfree(rx_ring->buffer_info); rx_ring->buffer_info = NULL; - dev_err(&pdev->dev, "Unable to allocate memory for " - "the receive descriptor ring\n"); + dev_err(dev, "Unable to allocate memory for the receive descriptor" + " ring\n"); return -ENOMEM; } @@ -2635,8 +2969,8 @@ void igb_free_tx_resources(struct igb_ring *tx_ring) if (!tx_ring->desc) return; - pci_free_consistent(tx_ring->pdev, tx_ring->size, - tx_ring->desc, tx_ring->dma); + dma_free_coherent(tx_ring->dev, tx_ring->size, + tx_ring->desc, tx_ring->dma); tx_ring->desc = NULL; } @@ -2660,15 +2994,15 @@ void igb_unmap_and_free_tx_resource(struct igb_ring *tx_ring, { if (buffer_info->dma) { if (buffer_info->mapped_as_page) - pci_unmap_page(tx_ring->pdev, + dma_unmap_page(tx_ring->dev, buffer_info->dma, buffer_info->length, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); else - pci_unmap_single(tx_ring->pdev, + dma_unmap_single(tx_ring->dev, buffer_info->dma, buffer_info->length, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); buffer_info->dma = 0; } if (buffer_info->skb) { @@ -2739,8 +3073,8 @@ void igb_free_rx_resources(struct igb_ring *rx_ring) if (!rx_ring->desc) return; - pci_free_consistent(rx_ring->pdev, rx_ring->size, - rx_ring->desc, rx_ring->dma); + dma_free_coherent(rx_ring->dev, rx_ring->size, + rx_ring->desc, rx_ring->dma); rx_ring->desc = NULL; } @@ -2776,10 +3110,10 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring) for (i = 0; i < rx_ring->count; i++) { buffer_info = &rx_ring->buffer_info[i]; if (buffer_info->dma) { - pci_unmap_single(rx_ring->pdev, + dma_unmap_single(rx_ring->dev, buffer_info->dma, rx_ring->rx_buffer_len, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); buffer_info->dma = 0; } @@ -2788,10 +3122,10 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring) buffer_info->skb = NULL; } if (buffer_info->page_dma) { - pci_unmap_page(rx_ring->pdev, + dma_unmap_page(rx_ring->dev, buffer_info->page_dma, PAGE_SIZE / 2, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); buffer_info->page_dma = 0; } if (buffer_info->page) { @@ -3479,7 +3813,7 @@ static inline bool igb_tx_csum_adv(struct igb_ring *tx_ring, struct sk_buff *skb, u32 tx_flags) { struct e1000_adv_tx_context_desc *context_desc; - struct pci_dev *pdev = tx_ring->pdev; + struct device *dev = tx_ring->dev; struct igb_buffer *buffer_info; u32 info = 0, tu_cmd = 0; unsigned int i; @@ -3530,7 +3864,7 @@ static inline bool igb_tx_csum_adv(struct igb_ring *tx_ring, break; default: if (unlikely(net_ratelimit())) - dev_warn(&pdev->dev, + dev_warn(dev, "partial checksum but proto=%x!\n", skb->protocol); break; @@ -3564,59 +3898,61 @@ static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb, unsigned int first) { struct igb_buffer *buffer_info; - struct pci_dev *pdev = tx_ring->pdev; - unsigned int len = skb_headlen(skb); + struct device *dev = tx_ring->dev; + unsigned int hlen = skb_headlen(skb); unsigned int count = 0, i; unsigned int f; + u16 gso_segs = skb_shinfo(skb)->gso_segs ?: 1; i = tx_ring->next_to_use; buffer_info = &tx_ring->buffer_info[i]; - BUG_ON(len >= IGB_MAX_DATA_PER_TXD); - buffer_info->length = len; + BUG_ON(hlen >= IGB_MAX_DATA_PER_TXD); + buffer_info->length = hlen; /* set time_stamp *before* dma to help avoid a possible race */ buffer_info->time_stamp = jiffies; buffer_info->next_to_watch = i; - buffer_info->dma = pci_map_single(pdev, skb->data, len, - PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(pdev, buffer_info->dma)) + buffer_info->dma = dma_map_single(dev, skb->data, hlen, + DMA_TO_DEVICE); + if (dma_mapping_error(dev, buffer_info->dma)) goto dma_error; for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) { - struct skb_frag_struct *frag; + struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[f]; + unsigned int len = frag->size; count++; i++; if (i == tx_ring->count) i = 0; - frag = &skb_shinfo(skb)->frags[f]; - len = frag->size; - buffer_info = &tx_ring->buffer_info[i]; BUG_ON(len >= IGB_MAX_DATA_PER_TXD); buffer_info->length = len; buffer_info->time_stamp = jiffies; buffer_info->next_to_watch = i; buffer_info->mapped_as_page = true; - buffer_info->dma = pci_map_page(pdev, + buffer_info->dma = dma_map_page(dev, frag->page, frag->page_offset, len, - PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(pdev, buffer_info->dma)) + DMA_TO_DEVICE); + if (dma_mapping_error(dev, buffer_info->dma)) goto dma_error; } tx_ring->buffer_info[i].skb = skb; - tx_ring->buffer_info[i].gso_segs = skb_shinfo(skb)->gso_segs ?: 1; + tx_ring->buffer_info[i].shtx = skb_shinfo(skb)->tx_flags; + /* multiply data chunks by size of headers */ + tx_ring->buffer_info[i].bytecount = ((gso_segs - 1) * hlen) + skb->len; + tx_ring->buffer_info[i].gso_segs = gso_segs; tx_ring->buffer_info[first].next_to_watch = i; return ++count; dma_error: - dev_err(&pdev->dev, "TX DMA map failed\n"); + dev_err(dev, "TX DMA map failed\n"); /* clear timestamp and dma mappings for failed buffer_info mapping */ buffer_info->dma = 0; @@ -3854,6 +4190,8 @@ static void igb_reset_task(struct work_struct *work) struct igb_adapter *adapter; adapter = container_of(work, struct igb_adapter, reset_task); + igb_dump(adapter); + netdev_err(adapter->netdev, "Reset adapter\n"); igb_reinit_locked(adapter); } @@ -4952,22 +5290,21 @@ static void igb_systim_to_hwtstamp(struct igb_adapter *adapter, /** * igb_tx_hwtstamp - utility function which checks for TX time stamp * @q_vector: pointer to q_vector containing needed info - * @skb: packet that was just sent + * @buffer: pointer to igb_buffer structure * * If we were asked to do hardware stamping and such a time stamp is * available, then it must have been for this skb here because we only * allow only one such packet into the queue. */ -static void igb_tx_hwtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb) +static void igb_tx_hwtstamp(struct igb_q_vector *q_vector, struct igb_buffer *buffer_info) { struct igb_adapter *adapter = q_vector->adapter; - union skb_shared_tx *shtx = skb_tx(skb); struct e1000_hw *hw = &adapter->hw; struct skb_shared_hwtstamps shhwtstamps; u64 regval; /* if skb does not support hw timestamp or TX stamp not valid exit */ - if (likely(!shtx->hardware) || + if (likely(!buffer_info->shtx.hardware) || !(rd32(E1000_TSYNCTXCTL) & E1000_TSYNCTXCTL_VALID)) return; @@ -4975,7 +5312,7 @@ static void igb_tx_hwtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb) regval |= (u64)rd32(E1000_TXSTMPH) << 32; igb_systim_to_hwtstamp(adapter, &shhwtstamps, regval); - skb_tstamp_tx(skb, &shhwtstamps); + skb_tstamp_tx(buffer_info->skb, &shhwtstamps); } /** @@ -4990,7 +5327,6 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector) struct net_device *netdev = tx_ring->netdev; struct e1000_hw *hw = &adapter->hw; struct igb_buffer *buffer_info; - struct sk_buff *skb; union e1000_adv_tx_desc *tx_desc, *eop_desc; unsigned int total_bytes = 0, total_packets = 0; unsigned int i, eop, count = 0; @@ -5006,19 +5342,12 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector) tx_desc = E1000_TX_DESC_ADV(*tx_ring, i); buffer_info = &tx_ring->buffer_info[i]; cleaned = (i == eop); - skb = buffer_info->skb; - if (skb) { - unsigned int segs, bytecount; + if (buffer_info->skb) { + total_bytes += buffer_info->bytecount; /* gso_segs is currently only valid for tcp */ - segs = buffer_info->gso_segs; - /* multiply data chunks by size of headers */ - bytecount = ((segs - 1) * skb_headlen(skb)) + - skb->len; - total_packets += segs; - total_bytes += bytecount; - - igb_tx_hwtstamp(q_vector, skb); + total_packets += buffer_info->gso_segs; + igb_tx_hwtstamp(q_vector, buffer_info); } igb_unmap_and_free_tx_resource(tx_ring, buffer_info); @@ -5058,7 +5387,7 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector) !(rd32(E1000_STATUS) & E1000_STATUS_TXOFF)) { /* detected Tx unit hang */ - dev_err(&tx_ring->pdev->dev, + dev_err(tx_ring->dev, "Detected Tx Unit Hang\n" " Tx Queue <%d>\n" " TDH <%x>\n" @@ -5137,7 +5466,7 @@ static inline void igb_rx_checksum_adv(struct igb_ring *ring, if (status_err & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)) skb->ip_summed = CHECKSUM_UNNECESSARY; - dev_dbg(&ring->pdev->dev, "cksum success: bits %08X\n", status_err); + dev_dbg(ring->dev, "cksum success: bits %08X\n", status_err); } static void igb_rx_hwtstamp(struct igb_q_vector *q_vector, u32 staterr, @@ -5192,7 +5521,7 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector, { struct igb_ring *rx_ring = q_vector->rx_ring; struct net_device *netdev = rx_ring->netdev; - struct pci_dev *pdev = rx_ring->pdev; + struct device *dev = rx_ring->dev; union e1000_adv_rx_desc *rx_desc , *next_rxd; struct igb_buffer *buffer_info , *next_buffer; struct sk_buff *skb; @@ -5232,9 +5561,9 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector, cleaned_count++; if (buffer_info->dma) { - pci_unmap_single(pdev, buffer_info->dma, + dma_unmap_single(dev, buffer_info->dma, rx_ring->rx_buffer_len, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); buffer_info->dma = 0; if (rx_ring->rx_buffer_len >= IGB_RXBUFFER_1024) { skb_put(skb, length); @@ -5244,11 +5573,11 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector, } if (length) { - pci_unmap_page(pdev, buffer_info->page_dma, - PAGE_SIZE / 2, PCI_DMA_FROMDEVICE); + dma_unmap_page(dev, buffer_info->page_dma, + PAGE_SIZE / 2, DMA_FROM_DEVICE); buffer_info->page_dma = 0; - skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags++, + skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags, buffer_info->page, buffer_info->page_offset, length); @@ -5353,12 +5682,12 @@ void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count) buffer_info->page_offset ^= PAGE_SIZE / 2; } buffer_info->page_dma = - pci_map_page(rx_ring->pdev, buffer_info->page, + dma_map_page(rx_ring->dev, buffer_info->page, buffer_info->page_offset, PAGE_SIZE / 2, - PCI_DMA_FROMDEVICE); - if (pci_dma_mapping_error(rx_ring->pdev, - buffer_info->page_dma)) { + DMA_FROM_DEVICE); + if (dma_mapping_error(rx_ring->dev, + buffer_info->page_dma)) { buffer_info->page_dma = 0; rx_ring->rx_stats.alloc_failed++; goto no_buffers; @@ -5376,12 +5705,12 @@ void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count) buffer_info->skb = skb; } if (!buffer_info->dma) { - buffer_info->dma = pci_map_single(rx_ring->pdev, + buffer_info->dma = dma_map_single(rx_ring->dev, skb->data, bufsz, - PCI_DMA_FROMDEVICE); - if (pci_dma_mapping_error(rx_ring->pdev, - buffer_info->dma)) { + DMA_FROM_DEVICE); + if (dma_mapping_error(rx_ring->dev, + buffer_info->dma)) { buffer_info->dma = 0; rx_ring->rx_stats.alloc_failed++; goto no_buffers; |