diff options
Diffstat (limited to 'drivers/net/igb/igb_main.c')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 613 |
1 files changed, 479 insertions, 134 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index c9baa2aa98cd..3881918f5382 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -62,6 +62,10 @@ static const struct e1000_info *igb_info_tbl[] = { }; static DEFINE_PCI_DEVICE_TABLE(igb_pci_tbl) = { + { PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_COPPER), board_82575 }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_FIBER), board_82575 }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_SERDES), board_82575 }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_SGMII), board_82575 }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_COPPER), board_82575 }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_FIBER), board_82575 }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_SERDES), board_82575 }, @@ -197,6 +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) */ @@ -223,41 +557,15 @@ static cycle_t igb_read_clock(const struct cyclecounter *tc) return stamp; } -#ifdef DEBUG /** - * igb_get_hw_dev_name - return device name string + * igb_get_hw_dev - return device * used by hardware layer to print debugging information **/ -char *igb_get_hw_dev_name(struct e1000_hw *hw) +struct net_device *igb_get_hw_dev(struct e1000_hw *hw) { struct igb_adapter *adapter = hw->back; - return adapter->netdev->name; -} - -/** - * igb_get_time_str - format current NIC and system time as string - */ -static char *igb_get_time_str(struct igb_adapter *adapter, - char buffer[160]) -{ - cycle_t hw = adapter->cycles.read(&adapter->cycles); - struct timespec nic = ns_to_timespec(timecounter_read(&adapter->clock)); - struct timespec sys; - struct timespec delta; - getnstimeofday(&sys); - - delta = timespec_sub(nic, sys); - - sprintf(buffer, - "HW %llu, NIC %ld.%09lus, SYS %ld.%09lus, NIC-SYS %lds + %09luns", - hw, - (long)nic.tv_sec, nic.tv_nsec, - (long)sys.tv_sec, sys.tv_nsec, - (long)delta.tv_sec, delta.tv_nsec); - - return buffer; + return adapter->netdev; } -#endif /** * igb_init_module - Driver Registration Routine @@ -328,6 +636,7 @@ static void igb_cache_ring_register(struct igb_adapter *adapter) } case e1000_82575: case e1000_82580: + case e1000_i350: default: for (; i < adapter->num_rx_queues; i++) adapter->rx_ring[i]->reg_idx = rbase_offset + i; @@ -371,7 +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) @@ -385,7 +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 */ @@ -471,6 +780,7 @@ static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector) q_vector->eims_value = 1 << msix_vector; break; case e1000_82580: + case e1000_i350: /* 82580 uses the same table-based approach as 82576 but has fewer entries as a result we carry over for queues greater than 4. */ if (rx_queue > IGB_N0_QUEUE) { @@ -551,6 +861,7 @@ static void igb_configure_msix(struct igb_adapter *adapter) case e1000_82576: case e1000_82580: + case e1000_i350: /* Turn on MSI-X capability first, or our settings * won't stick. And it will take days to debug. */ wr32(E1000_GPIE, E1000_GPIE_MSIX_MODE | @@ -743,7 +1054,6 @@ msi_only: out: /* Notify the stack of the (possibly) reduced Tx Queue count. */ adapter->netdev->real_num_tx_queues = adapter->num_tx_queues; - return; } /** @@ -1253,6 +1563,7 @@ void igb_reset(struct igb_adapter *adapter) * To take effect CTRL.RST is required. */ switch (mac->type) { + case e1000_i350: case e1000_82580: pba = rd32(E1000_RXPBS); pba = igb_rxpbs_adjust_82580(pba); @@ -1416,15 +1727,15 @@ 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"); @@ -1656,6 +1967,7 @@ 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" : @@ -1826,6 +2138,7 @@ static void igb_init_hw_timer(struct igb_adapter *adapter) struct e1000_hw *hw = &adapter->hw; switch (hw->mac.type) { + case e1000_i350: case e1000_82580: memset(&adapter->cycles, 0, sizeof(adapter->cycles)); adapter->cycles.read = igb_read_clock; @@ -2096,7 +2409,7 @@ 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; @@ -2109,9 +2422,10 @@ 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; @@ -2122,7 +2436,7 @@ 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; } @@ -2246,7 +2560,7 @@ 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; @@ -2261,8 +2575,10 @@ 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; @@ -2275,8 +2591,8 @@ 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; } @@ -2339,6 +2655,7 @@ static void igb_setup_mrqc(struct igb_adapter *adapter) if (adapter->vfs_allocated_count) { /* 82575 and 82576 supports 2 RSS queues for VMDq */ switch (hw->mac.type) { + case e1000_i350: case e1000_82580: num_rx_queues = 1; shift = 0; @@ -2590,6 +2907,8 @@ void igb_configure_rx_ring(struct igb_adapter *adapter, E1000_SRRCTL_BSIZEPKT_SHIFT; srrctl |= E1000_SRRCTL_DESCTYPE_ADV_ONEBUF; } + if (hw->mac.type == e1000_82580) + srrctl |= E1000_SRRCTL_TIMESTAMP; /* Only set Drop Enable if we are supporting multiple queues */ if (adapter->vfs_allocated_count || adapter->num_rx_queues > 1) srrctl |= E1000_SRRCTL_DROP_EN; @@ -2649,8 +2968,8 @@ 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; } @@ -2674,15 +2993,15 @@ 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) { @@ -2753,8 +3072,8 @@ 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; } @@ -2790,10 +3109,10 @@ 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; } @@ -2802,10 +3121,10 @@ 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) { @@ -2876,7 +3195,7 @@ static int igb_write_mc_addr_list(struct net_device *netdev) { struct igb_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - struct dev_mc_list *mc_ptr; + struct netdev_hw_addr *ha; u8 *mta_list; int i; @@ -2893,8 +3212,8 @@ static int igb_write_mc_addr_list(struct net_device *netdev) /* The shared function expects a packed array of only addresses. */ i = 0; - netdev_for_each_mc_addr(mc_ptr, netdev) - memcpy(mta_list + (i++ * ETH_ALEN), mc_ptr->dmi_addr, ETH_ALEN); + netdev_for_each_mc_addr(ha, netdev) + memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN); igb_update_mc_addr_list(hw, mta_list, i); kfree(mta_list); @@ -3397,8 +3716,6 @@ set_itr_now: q_vector->itr_val = new_itr; q_vector->set_itr = 1; } - - return; } #define IGB_TX_FLAGS_CSUM 0x00000001 @@ -3493,7 +3810,7 @@ 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; @@ -3544,7 +3861,7 @@ 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; @@ -3578,59 +3895,61 @@ 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; @@ -3868,6 +4187,8 @@ 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); } @@ -3920,6 +4241,9 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu) * i.e. RXBUFFER_2048 --> size-4096 slab */ + if (adapter->hw.mac.type == e1000_82580) + max_frame += IGB_TS_HDR_LEN; + if (max_frame <= IGB_RXBUFFER_1024) rx_buffer_len = IGB_RXBUFFER_1024; else if (max_frame <= MAXIMUM_ETHERNET_VLAN_SIZE) @@ -3927,6 +4251,14 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu) else rx_buffer_len = IGB_RXBUFFER_128; + if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN + IGB_TS_HDR_LEN) || + (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE + IGB_TS_HDR_LEN)) + rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE + IGB_TS_HDR_LEN; + + if ((adapter->hw.mac.type == e1000_82580) && + (rx_buffer_len == IGB_RXBUFFER_128)) + rx_buffer_len += IGB_RXBUFFER_64; + if (netif_running(netdev)) igb_down(adapter); @@ -4955,22 +5287,21 @@ 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; @@ -4978,7 +5309,7 @@ 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); } /** @@ -4993,7 +5324,6 @@ 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; @@ -5009,19 +5339,12 @@ 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); @@ -5061,7 +5384,7 @@ 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" @@ -5140,10 +5463,10 @@ 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 inline void igb_rx_hwtstamp(struct igb_q_vector *q_vector, u32 staterr, +static void igb_rx_hwtstamp(struct igb_q_vector *q_vector, u32 staterr, struct sk_buff *skb) { struct igb_adapter *adapter = q_vector->adapter; @@ -5161,13 +5484,18 @@ static inline void igb_rx_hwtstamp(struct igb_q_vector *q_vector, u32 staterr, * If nothing went wrong, then it should have a skb_shared_tx that we * can turn into a skb_shared_hwtstamps. */ - if (likely(!(staterr & E1000_RXDADV_STAT_TS))) - return; - if (!(rd32(E1000_TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID)) - return; + if (staterr & E1000_RXDADV_STAT_TSIP) { + u32 *stamp = (u32 *)skb->data; + regval = le32_to_cpu(*(stamp + 2)); + regval |= (u64)le32_to_cpu(*(stamp + 3)) << 32; + skb_pull(skb, IGB_TS_HDR_LEN); + } else { + if(!(rd32(E1000_TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID)) + return; - regval = rd32(E1000_RXSTMPL); - regval |= (u64)rd32(E1000_RXSTMPH) << 32; + regval = rd32(E1000_RXSTMPL); + regval |= (u64)rd32(E1000_RXSTMPH) << 32; + } igb_systim_to_hwtstamp(adapter, skb_hwtstamps(skb), regval); } @@ -5190,7 +5518,7 @@ 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; @@ -5230,9 +5558,9 @@ 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); @@ -5242,11 +5570,11 @@ 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); @@ -5275,7 +5603,8 @@ send_up: goto next_desc; } - igb_rx_hwtstamp(q_vector, staterr, skb); + if (staterr & (E1000_RXDADV_STAT_TSIP | E1000_RXDADV_STAT_TS)) + igb_rx_hwtstamp(q_vector, staterr, skb); total_bytes += skb->len; total_packets++; @@ -5350,12 +5679,12 @@ 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; @@ -5373,12 +5702,12 @@ 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; @@ -5555,6 +5884,16 @@ static int igb_hwtstamp_ioctl(struct net_device *netdev, return 0; } + /* + * Per-packet timestamping only works if all packets are + * timestamped, so enable timestamping in all packets as + * long as one rx filter was configured. + */ + if ((hw->mac.type == e1000_82580) && tsync_rx_ctl) { + tsync_rx_ctl = E1000_TSYNCRXCTL_ENABLED; + tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_ALL; + } + /* enable/disable TX */ regval = rd32(E1000_TSYNCTXCTL); regval &= ~E1000_TSYNCTXCTL_ENABLED; @@ -6131,19 +6470,25 @@ static void igb_vmm_control(struct igb_adapter *adapter) struct e1000_hw *hw = &adapter->hw; u32 reg; - /* replication is not supported for 82575 */ - if (hw->mac.type == e1000_82575) + switch (hw->mac.type) { + case e1000_82575: + default: + /* replication is not supported for 82575 */ return; - - /* enable replication vlan tag stripping */ - reg = rd32(E1000_RPLOLR); - reg |= E1000_RPLOLR_STRVLAN; - wr32(E1000_RPLOLR, reg); - - /* notify HW that the MAC is adding vlan tags */ - reg = rd32(E1000_DTXCTL); - reg |= E1000_DTXCTL_VLAN_ADDED; - wr32(E1000_DTXCTL, reg); + case e1000_82576: + /* notify HW that the MAC is adding vlan tags */ + reg = rd32(E1000_DTXCTL); + reg |= E1000_DTXCTL_VLAN_ADDED; + wr32(E1000_DTXCTL, reg); + case e1000_82580: + /* enable replication vlan tag stripping */ + reg = rd32(E1000_RPLOLR); + reg |= E1000_RPLOLR_STRVLAN; + wr32(E1000_RPLOLR, reg); + case e1000_i350: + /* none of the above registers are supported by i350 */ + break; + } if (adapter->vfs_allocated_count) { igb_vmdq_set_loopback_pf(hw, true); |
