Hmm..weird. Is the I218-LM the only nic in your system? Because if i add an additional PCIe Intel 85247L, my onboard I218-V comes up with 1000baseT as well.
em0 at pci1 dev 0 function 0 "Intel 82574L" rev 0x00: msi, address 00:.. em1 at pci0 dev 25 function 0 "Intel I218-V" rev 0x00: msi, address f0:.. On Wed, Aug 05, 2015 at 12:24:42PM +0200, Peter Hessler wrote: > On 2015 Aug 05 (Wed) at 10:08:05 +0200 (+0200), Mark Patruck wrote: > :No issues on systems running > : > :em0 at pci3 dev 0 function 0 "Intel I210" rev 0x03: msi, address 0c:.. > :em1 at pci4 dev 0 function 0 "Intel I210" rev 0x03: msi, address 0c:.. > : > :Also working on > : > :em0 at pci1 dev 0 function 0 "Intel 82576" rev 0x01: msi, address 90:.. > :em1 at pci1 dev 0 function 1 "Intel 82576" rev 0x01: msi, address 90:.. > : > : > :But i still have a small problem with > : > :em0 at pci0 dev 25 function 0 "Intel I218-V" rev 0x00: msi, address f0:.. > : > :If booting up with the LAN cable connected, everything is fine and media > :type is set to > : > :media: Ethernet autoselect (1000baseT full-duplex) > : > :When the cable is not attached during boot, i end up with > : > :media: Ethernet autoselect (10baseT full-duplex) > : > :and have to de-/attach to get 1000baseT again. > : > > FWIW, I have no such problems with > > em0 at pci0 dev 25 function 0 "Intel I218-LM" rev 0x03: msi, address > 68:f7:28:84:1d:37 > > Net works fine and comes up "media: Ethernet autoselect (1000baseT > full-duplex)" > as expected > > > > :A PCIe x1 'Intel 82574L' adapter doesn't show these problems. > : > : > :On Tue, Aug 04, 2015 at 10:40:25PM +0200, Stefan Fritsch wrote: > :> Hi, > :> > :> someone mentioned to me the i217-LM problems that were reported on misc > :> end of May. It is possible that the patch below helps. > :> > :> For us, it fixed a problem on a laptop with i217-LM (pci id 8086:153a) > :> where the receiving of packets would stop until the battery of the laptop > :> was removed (or until linux or freebsd were booted, which also have this > :> workaround). A normal reboot or power-cycle without removing the battery > :> did not help. Interestingly, not even the Intel PXE BIOS has the > :> workaround. > :> > :> The problem would happen if the LAN cable was plugged in after the card > :> had already been initialized. If the LAN cable was always plugged in when > :> the laptop was powered on, the problem would not appear. > :> > :> The workaround is part of the e1000_lv_jumbo_workaround_ich8lan() function > :> in e1000_ich8lan.c in freebsd, but only the part that is used if jumbo > :> packets are *not* configured. Linux has the same fix as > :> b20a774495671f037e7160ea2ce87 and da1e2046e5f5ab268e55d30d6b74099ade0aeb6f > :> with some more info in the commit messages. > :> > :> This probably has quite some potential to cause regressions with other > :> boards, so i am not sure if it should go in before 5.8 release. > :> > :> Cheers, > :> Stefan > :> > :> > :> --- a/sys/dev/pci/if_em_hw.c > :> +++ b/sys/dev/pci/if_em_hw.c > :> @@ -91,6 +91,7 @@ static int32_t em_id_led_init(struct em_hw *); > :> static int32_t em_init_lcd_from_nvm_config_region(struct em_hw *, > uint32_t, > :> uint32_t); > :> static int32_t em_init_lcd_from_nvm(struct em_hw *); > :> +static int32_t em_phy_no_cable_workaround(struct em_hw *); > :> static void em_init_rx_addrs(struct em_hw *); > :> static void em_initialize_hardware_bits(struct em_hw *); > :> static boolean_t em_is_onboard_nvm_eeprom(struct em_hw *); > :> @@ -7018,6 +7019,96 @@ em_read_mac_addr(struct em_hw *hw) > :> } > :> > :> > /****************************************************************************** > :> + * Explicitly disables jumbo frames and resets some PHY registers back to > hw- > :> + * defaults. This is necessary in case the ethernet cable was inserted > AFTER > :> + * the firmware initialized the PHY. Otherwise it is left in a state where > :> + * it is possible to transmit but not receive packets. Observed on > I217-LM and > :> + * fixed in FreeBSD's sys/dev/e1000/e1000_ich8lan.c. > :> + * > :> + * hw - Struct containing variables accessed by shared code > :> + > *****************************************************************************/ > :> +STATIC int32_t > :> +em_phy_no_cable_workaround(struct em_hw *hw) { > :> + int32_t ret_val, dft_ret_val; > :> + uint32_t mac_reg; > :> + uint16_t data, phy_reg; > :> + > :> + /* disable Rx path while enabling workaround */ > :> + em_read_phy_reg(hw, I2_DFT_CTRL, &phy_reg); > :> + ret_val = em_write_phy_reg(hw, I2_DFT_CTRL, phy_reg | (1 << 14)); > :> + if (ret_val) > :> + return ret_val; > :> + > :> + /* Write MAC register values back to h/w defaults */ > :> + mac_reg = E1000_READ_REG(hw, FFLT_DBG); > :> + mac_reg &= ~(0xF << 14); > :> + E1000_WRITE_REG(hw, FFLT_DBG, mac_reg); > :> + > :> + mac_reg = E1000_READ_REG(hw, RCTL); > :> + mac_reg &= ~E1000_RCTL_SECRC; > :> + E1000_WRITE_REG(hw, RCTL, mac_reg); > :> + > :> + ret_val = em_read_kmrn_reg(hw, E1000_KUMCTRLSTA_OFFSET_CTRL, &data); > :> + if (ret_val) > :> + goto out; > :> + ret_val = em_write_kmrn_reg(hw, E1000_KUMCTRLSTA_OFFSET_CTRL, > :> + data & ~(1 << 0)); > :> + if (ret_val) > :> + goto out; > :> + > :> + ret_val = em_read_kmrn_reg(hw, E1000_KUMCTRLSTA_OFFSET_HD_CTRL, &data); > :> + if (ret_val) > :> + goto out; > :> + > :> + data &= ~(0xF << 8); > :> + data |= (0xB << 8); > :> + ret_val = em_write_kmrn_reg(hw, E1000_KUMCTRLSTA_OFFSET_HD_CTRL, data); > :> + if (ret_val) > :> + goto out; > :> + > :> + /* Write PHY register values back to h/w defaults */ > :> + em_read_phy_reg(hw, I2_SMBUS_CTRL, &data); > :> + data &= ~(0x7F << 5); > :> + ret_val = em_write_phy_reg(hw, I2_SMBUS_CTRL, data); > :> + if (ret_val) > :> + goto out; > :> + > :> + em_read_phy_reg(hw, I2_MODE_CTRL, &data); > :> + data |= (1 << 13); > :> + ret_val = em_write_phy_reg(hw, I2_MODE_CTRL, data); > :> + if (ret_val) > :> + goto out; > :> + > :> + /* > :> + * 776.20 and 776.23 are not documented in > :> + * i217-ethernet-controller-datasheet.pdf... > :> + */ > :> + em_read_phy_reg(hw, PHY_REG(776, 20), &data); > :> + data &= ~(0x3FF << 2); > :> + data |= (0x8 << 2); > :> + ret_val = em_write_phy_reg(hw, PHY_REG(776, 20), data); > :> + if (ret_val) > :> + goto out; > :> + > :> + ret_val = em_write_phy_reg(hw, PHY_REG(776, 23), 0x7E00); > :> + if (ret_val) > :> + goto out; > :> + > :> + em_read_phy_reg(hw, I2_PCIE_POWER_CTRL, &data); > :> + ret_val = em_write_phy_reg(hw, I2_PCIE_POWER_CTRL, data & ~(1 << 10)); > :> + if (ret_val) > :> + goto out; > :> + > :> +out: > :> + /* re-enable Rx path after enabling workaround */ > :> + dft_ret_val = em_write_phy_reg(hw, I2_DFT_CTRL, phy_reg & ~(1 << 14)); > :> + if (ret_val) > :> + return ret_val; > :> + else > :> + return dft_ret_val; > :> +} > :> + > :> > +/****************************************************************************** > :> * Initializes receive address filters. > :> * > :> * hw - Struct containing variables accessed by shared code > :> @@ -7033,6 +7124,11 @@ em_init_rx_addrs(struct em_hw *hw) > :> uint32_t rar_num; > :> DEBUGFUNC("em_init_rx_addrs"); > :> > :> + if (hw->mac_type == em_pch_lpt || hw->mac_type == em_pch2lan) > :> + if (em_phy_no_cable_workaround(hw)) > :> + printf(" ...failed to apply em_phy_no_cable_" > :> + "workaround.\n"); > :> + > :> /* Setup the receive address. */ > :> DEBUGOUT("Programming MAC Address into RAR[0]\n"); > :> > :> diff --git a/sys/dev/pci/if_em_hw.h b/sys/dev/pci/if_em_hw.h > :> index 779d205..29781a1 100644 > :> --- a/sys/dev/pci/if_em_hw.h > :> +++ b/sys/dev/pci/if_em_hw.h > :> @@ -3713,6 +3713,12 @@ union ich8_hws_flash_regacc { > :> #define HV_KMRN_MODE_CTRL PHY_REG(769, 16) > :> #define HV_KMRN_MDIO_SLOW 0x0400 > :> > :> +/* I217 definitions */ > :> +#define I2_DFT_CTRL PHY_REG(769, 20) > :> +#define I2_SMBUS_CTRL PHY_REG(769, 23) > :> +#define I2_MODE_CTRL HV_KMRN_MODE_CTRL > :> +#define I2_PCIE_POWER_CTRL IGP3_KMRN_POWER_MNG_CTRL > :> + > :> /* BM/HV Specific Registers */ > :> #define BM_PORT_CTRL_PAGE 769 > :> #define BM_PCIE_PAGE 770 > :> > : > :-- > :Mark Patruck ( mark at wrapped.cx ) > :GPG key 0xF2865E51 / 187F F6D3 EE04 1DCE 1C74 F644 0D3C F66F F286 5E51 > : > :http://www.wrapped.cx > : > > -- > Democracy is a form of government that substitutes election by the > incompetent many for appointment by the corrupt few. > -- G. B. Shaw > -- Mark Patruck ( mark at wrapped.cx ) GPG key 0xF2865E51 / 187F F6D3 EE04 1DCE 1C74 F644 0D3C F66F F286 5E51 http://www.wrapped.cx