diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igb')
-rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_82575.c | 16 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_phy.c | 29 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_phy.h | 5 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_regs.h | 8 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/igb/igb_ethtool.c | 70 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 25 |
6 files changed, 115 insertions, 38 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index 5e84eaac48c..ba994fb4cec 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -254,6 +254,14 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw) */ size += NVM_WORD_SIZE_BASE_SHIFT; + /* + * Check for invalid size + */ + if ((hw->mac.type == e1000_82576) && (size > 15)) { + pr_notice("The NVM size is not valid, defaulting to 32K\n"); + size = 15; + } + nvm->word_size = 1 << size; if (hw->mac.type < e1000_i210) { nvm->opcode_bits = 8; @@ -281,14 +289,6 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw) } else nvm->type = e1000_nvm_flash_hw; - /* - * Check for invalid size - */ - if ((hw->mac.type == e1000_82576) && (size > 15)) { - pr_notice("The NVM size is not valid, defaulting to 32K\n"); - size = 15; - } - /* NVM Function Pointers */ switch (hw->mac.type) { case e1000_82580: diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c index 7be98b6f105..3404bc79f4c 100644 --- a/drivers/net/ethernet/intel/igb/e1000_phy.c +++ b/drivers/net/ethernet/intel/igb/e1000_phy.c @@ -464,6 +464,32 @@ s32 igb_copper_link_setup_82580(struct e1000_hw *hw) phy_data |= I82580_CFG_ENABLE_DOWNSHIFT; ret_val = phy->ops.write_reg(hw, I82580_CFG_REG, phy_data); + if (ret_val) + goto out; + + /* Set MDI/MDIX mode */ + ret_val = phy->ops.read_reg(hw, I82580_PHY_CTRL_2, &phy_data); + if (ret_val) + goto out; + phy_data &= ~I82580_PHY_CTRL2_MDIX_CFG_MASK; + /* + * Options: + * 0 - Auto (default) + * 1 - MDI mode + * 2 - MDI-X mode + */ + switch (hw->phy.mdix) { + case 1: + break; + case 2: + phy_data |= I82580_PHY_CTRL2_MANUAL_MDIX; + break; + case 0: + default: + phy_data |= I82580_PHY_CTRL2_AUTO_MDI_MDIX; + break; + } + ret_val = hw->phy.ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data); out: return ret_val; @@ -2246,8 +2272,7 @@ s32 igb_phy_force_speed_duplex_82580(struct e1000_hw *hw) if (ret_val) goto out; - phy_data &= ~I82580_PHY_CTRL2_AUTO_MDIX; - phy_data &= ~I82580_PHY_CTRL2_FORCE_MDI_MDIX; + phy_data &= ~I82580_PHY_CTRL2_MDIX_CFG_MASK; ret_val = phy->ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data); if (ret_val) diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.h b/drivers/net/ethernet/intel/igb/e1000_phy.h index 34e40619f16..6ac3299bfcb 100644 --- a/drivers/net/ethernet/intel/igb/e1000_phy.h +++ b/drivers/net/ethernet/intel/igb/e1000_phy.h @@ -111,8 +111,9 @@ s32 igb_check_polarity_m88(struct e1000_hw *hw); #define I82580_PHY_STATUS2_SPEED_100MBPS 0x0100 /* I82580 PHY Control 2 */ -#define I82580_PHY_CTRL2_AUTO_MDIX 0x0400 -#define I82580_PHY_CTRL2_FORCE_MDI_MDIX 0x0200 +#define I82580_PHY_CTRL2_MANUAL_MDIX 0x0200 +#define I82580_PHY_CTRL2_AUTO_MDI_MDIX 0x0400 +#define I82580_PHY_CTRL2_MDIX_CFG_MASK 0x0600 /* I82580 PHY Diagnostics Status */ #define I82580_DSTATUS_CABLE_LENGTH 0x03FC diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h index 10efcd88dca..28394bea525 100644 --- a/drivers/net/ethernet/intel/igb/e1000_regs.h +++ b/drivers/net/ethernet/intel/igb/e1000_regs.h @@ -156,8 +156,12 @@ : (0x0E018 + ((_n) * 0x40))) #define E1000_TXDCTL(_n) ((_n) < 4 ? (0x03828 + ((_n) * 0x100)) \ : (0x0E028 + ((_n) * 0x40))) -#define E1000_DCA_TXCTRL(_n) (0x03814 + (_n << 8)) -#define E1000_DCA_RXCTRL(_n) (0x02814 + (_n << 8)) +#define E1000_RXCTL(_n) ((_n) < 4 ? (0x02814 + ((_n) * 0x100)) : \ + (0x0C014 + ((_n) * 0x40))) +#define E1000_DCA_RXCTRL(_n) E1000_RXCTL(_n) +#define E1000_TXCTL(_n) ((_n) < 4 ? (0x03814 + ((_n) * 0x100)) : \ + (0x0E014 + ((_n) * 0x40))) +#define E1000_DCA_TXCTRL(_n) E1000_TXCTL(_n) #define E1000_TDWBAL(_n) ((_n) < 4 ? (0x03838 + ((_n) * 0x100)) \ : (0x0E038 + ((_n) * 0x40))) #define E1000_TDWBAH(_n) ((_n) < 4 ? (0x0383C + ((_n) * 0x100)) \ diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index a19c84cad0e..be02168f130 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -198,6 +198,19 @@ static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) } ecmd->autoneg = hw->mac.autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE; + + /* MDI-X => 2; MDI =>1; Invalid =>0 */ + if (hw->phy.media_type == e1000_media_type_copper) + ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : + ETH_TP_MDI; + else + ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID; + + if (hw->phy.mdix == AUTO_ALL_MODES) + ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO; + else + ecmd->eth_tp_mdix_ctrl = hw->phy.mdix; + return 0; } @@ -209,11 +222,27 @@ static int igb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) /* When SoL/IDER sessions are active, autoneg/speed/duplex * cannot be changed */ if (igb_check_reset_block(hw)) { - dev_err(&adapter->pdev->dev, "Cannot change link " - "characteristics when SoL/IDER is active.\n"); + dev_err(&adapter->pdev->dev, + "Cannot change link characteristics when SoL/IDER is active.\n"); return -EINVAL; } + /* + * MDI setting is only allowed when autoneg enabled because + * some hardware doesn't allow MDI setting when speed or + * duplex is forced. + */ + if (ecmd->eth_tp_mdix_ctrl) { + if (hw->phy.media_type != e1000_media_type_copper) + return -EOPNOTSUPP; + + if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) && + (ecmd->autoneg != AUTONEG_ENABLE)) { + dev_err(&adapter->pdev->dev, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n"); + return -EINVAL; + } + } + while (test_and_set_bit(__IGB_RESETTING, &adapter->state)) msleep(1); @@ -227,12 +256,25 @@ static int igb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) hw->fc.requested_mode = e1000_fc_default; } else { u32 speed = ethtool_cmd_speed(ecmd); + /* calling this overrides forced MDI setting */ if (igb_set_spd_dplx(adapter, speed, ecmd->duplex)) { clear_bit(__IGB_RESETTING, &adapter->state); return -EINVAL; } } + /* MDI-X => 2; MDI => 1; Auto => 3 */ + if (ecmd->eth_tp_mdix_ctrl) { + /* + * fix up the value for auto (3 => 0) as zero is mapped + * internally to auto + */ + if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO) + hw->phy.mdix = AUTO_ALL_MODES; + else + hw->phy.mdix = ecmd->eth_tp_mdix_ctrl; + } + /* reset the link */ if (netif_running(adapter->netdev)) { igb_down(adapter); @@ -1089,8 +1131,8 @@ static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data, wr32(reg, (_test[pat] & write)); val = rd32(reg) & mask; if (val != (_test[pat] & write & mask)) { - dev_err(&adapter->pdev->dev, "pattern test reg %04X " - "failed: got 0x%08X expected 0x%08X\n", + dev_err(&adapter->pdev->dev, + "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n", reg, val, (_test[pat] & write & mask)); *data = reg; return 1; @@ -1108,8 +1150,8 @@ static bool reg_set_and_check(struct igb_adapter *adapter, u64 *data, wr32(reg, write & mask); val = rd32(reg); if ((write & mask) != (val & mask)) { - dev_err(&adapter->pdev->dev, "set/check reg %04X test failed:" - " got 0x%08X expected 0x%08X\n", reg, + dev_err(&adapter->pdev->dev, + "set/check reg %04X test failed: got 0x%08X expected 0x%08X\n", reg, (val & mask), (write & mask)); *data = reg; return 1; @@ -1171,8 +1213,9 @@ static int igb_reg_test(struct igb_adapter *adapter, u64 *data) wr32(E1000_STATUS, toggle); after = rd32(E1000_STATUS) & toggle; if (value != after) { - dev_err(&adapter->pdev->dev, "failed STATUS register test " - "got: 0x%08X expected: 0x%08X\n", after, value); + dev_err(&adapter->pdev->dev, + "failed STATUS register test got: 0x%08X expected: 0x%08X\n", + after, value); *data = 1; return 1; } @@ -1497,6 +1540,9 @@ static int igb_integrated_phy_loopback(struct igb_adapter *adapter) break; } + /* add small delay to avoid loopback test failure */ + msleep(50); + /* force 1000, set loopback */ igb_write_phy_reg(hw, PHY_CONTROL, 0x4140); @@ -1777,16 +1823,14 @@ static int igb_loopback_test(struct igb_adapter *adapter, u64 *data) * sessions are active */ if (igb_check_reset_block(&adapter->hw)) { dev_err(&adapter->pdev->dev, - "Cannot do PHY loopback test " - "when SoL/IDER is active.\n"); + "Cannot do PHY loopback test when SoL/IDER is active.\n"); *data = 0; goto out; } if ((adapter->hw.mac.type == e1000_i210) - || (adapter->hw.mac.type == e1000_i210)) { + || (adapter->hw.mac.type == e1000_i211)) { dev_err(&adapter->pdev->dev, - "Loopback test not supported " - "on this part at this time.\n"); + "Loopback test not supported on this part at this time.\n"); *data = 0; goto out; } diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 1050411e7ca..73cc273ef98 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -462,10 +462,10 @@ static void igb_dump(struct igb_adapter *adapter) (u64)buffer_info->time_stamp, buffer_info->skb, next_desc); - if (netif_msg_pktdata(adapter) && buffer_info->dma != 0) + if (netif_msg_pktdata(adapter) && buffer_info->skb) print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, - 16, 1, phys_to_virt(buffer_info->dma), + 16, 1, buffer_info->skb->data, buffer_info->length, true); } } @@ -547,18 +547,17 @@ rx_ring_summary: (u64)buffer_info->dma, buffer_info->skb, next_desc); - if (netif_msg_pktdata(adapter)) { + if (netif_msg_pktdata(adapter) && + buffer_info->dma && buffer_info->skb) { print_hex_dump(KERN_INFO, "", - DUMP_PREFIX_ADDRESS, - 16, 1, - phys_to_virt(buffer_info->dma), - IGB_RX_HDR_LEN, true); + DUMP_PREFIX_ADDRESS, + 16, 1, buffer_info->skb->data, + IGB_RX_HDR_LEN, true); print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, 16, 1, - phys_to_virt( - buffer_info->page_dma + - buffer_info->page_offset), + page_address(buffer_info->page) + + buffer_info->page_offset, PAGE_SIZE/2, true); } } @@ -6235,7 +6234,7 @@ static bool igb_alloc_mapped_page(struct igb_ring *rx_ring, return true; if (!page) { - page = alloc_page(GFP_ATOMIC | __GFP_COLD); + page = __skb_alloc_page(GFP_ATOMIC, bi->skb); bi->page = page; if (unlikely(!page)) { rx_ring->rx_stats.alloc_failed++; @@ -6676,6 +6675,10 @@ int igb_set_spd_dplx(struct igb_adapter *adapter, u32 spd, u8 dplx) default: goto err_inval; } + + /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */ + adapter->hw.phy.mdix = AUTO_ALL_MODES; + return 0; err_inval: |