diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c | 172 |
1 files changed, 64 insertions, 108 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c index 523f9d05a810..406c15f58034 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c @@ -1,36 +1,12 @@ -/******************************************************************************* - - Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2016 Intel Corporation. - - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - Linux NICS <linux.nics@intel.com> - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 1999 - 2018 Intel Corporation. */ #include <linux/pci.h> #include <linux/delay.h> #include <linux/sched.h> #include "ixgbe.h" +#include "ixgbe_mbx.h" #include "ixgbe_phy.h" #define IXGBE_82598_MAX_TX_QUEUES 32 @@ -40,10 +16,10 @@ #define IXGBE_82598_VFT_TBL_SIZE 128 #define IXGBE_82598_RX_PB_SIZE 512 -static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, +static int ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, ixgbe_link_speed speed, bool autoneg_wait_to_complete); -static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, +static int ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, u8 *eeprom_data); /** @@ -69,7 +45,7 @@ static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw) goto out; /* - * if capababilities version is type 1 we can write the + * if capabilities version is type 1 we can write the * timeout of 10ms to 250ms through the GCR register */ if (!(gcr & IXGBE_GCR_CAP_VER2)) { @@ -91,7 +67,7 @@ out: IXGBE_WRITE_REG(hw, IXGBE_GCR, gcr); } -static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw) +static int ixgbe_get_invariants_82598(struct ixgbe_hw *hw) { struct ixgbe_mac_info *mac = &hw->mac; @@ -118,12 +94,12 @@ static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw) * not known. Perform the SFP init if necessary. * **/ -static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw) +static int ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw) { struct ixgbe_mac_info *mac = &hw->mac; struct ixgbe_phy_info *phy = &hw->phy; - s32 ret_val; u16 list_offset, data_offset; + int ret_val; /* Identify the PHY */ phy->ops.identify(hw); @@ -148,14 +124,14 @@ static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw) if (ret_val) return ret_val; if (hw->phy.sfp_type == ixgbe_sfp_type_unknown) - return IXGBE_ERR_SFP_NOT_SUPPORTED; + return -EOPNOTSUPP; /* Check to see if SFP+ module is supported */ ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, &list_offset, &data_offset); if (ret_val) - return IXGBE_ERR_SFP_NOT_SUPPORTED; + return -EOPNOTSUPP; break; default: break; @@ -173,33 +149,11 @@ static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw) * Then set pcie completion timeout * **/ -static s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw) +static int ixgbe_start_hw_82598(struct ixgbe_hw *hw) { -#ifndef CONFIG_SPARC - u32 regval; - u32 i; -#endif - s32 ret_val; + int ret_val; ret_val = ixgbe_start_hw_generic(hw); - -#ifndef CONFIG_SPARC - /* Disable relaxed ordering */ - for (i = 0; ((i < hw->mac.max_tx_queues) && - (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) { - regval = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i)); - regval &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN; - IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(i), regval); - } - - for (i = 0; ((i < hw->mac.max_rx_queues) && - (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) { - regval = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i)); - regval &= ~(IXGBE_DCA_RXCTRL_DATA_WRO_EN | - IXGBE_DCA_RXCTRL_HEAD_WRO_EN); - IXGBE_WRITE_REG(hw, IXGBE_DCA_RXCTRL(i), regval); - } -#endif if (ret_val) return ret_val; @@ -217,7 +171,7 @@ static s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw) * * Determines the link capabilities by reading the AUTOC register. **/ -static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw, +static int ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw, ixgbe_link_speed *speed, bool *autoneg) { @@ -260,7 +214,7 @@ static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw, break; default: - return IXGBE_ERR_LINK_SETUP; + return -EIO; } return 0; @@ -318,7 +272,7 @@ static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw) * * Enable flow control according to the current settings. **/ -static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw) +static int ixgbe_fc_enable_82598(struct ixgbe_hw *hw) { u32 fctrl_reg; u32 rmcs_reg; @@ -330,7 +284,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw) /* Validate the water mark configuration */ if (!hw->fc.pause_time) - return IXGBE_ERR_INVALID_LINK_SETTINGS; + return -EINVAL; /* Low water mark of zero causes XOFF floods */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { @@ -339,7 +293,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw) if (!hw->fc.low_water[i] || hw->fc.low_water[i] >= hw->fc.high_water[i]) { hw_dbg(hw, "Invalid water mark configuration\n"); - return IXGBE_ERR_INVALID_LINK_SETTINGS; + return -EINVAL; } } } @@ -416,7 +370,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw) break; default: hw_dbg(hw, "Flow control param set incorrectly\n"); - return IXGBE_ERR_CONFIG; + return -EIO; } /* Set 802.3x based flow control settings. */ @@ -453,17 +407,18 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw) /** * ixgbe_start_mac_link_82598 - Configures MAC link settings * @hw: pointer to hardware structure + * @autoneg_wait_to_complete: true when waiting for completion is needed * * Configures link settings based on values in the ixgbe_hw struct. * Restarts the link. Performs autonegotiation if needed. **/ -static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw, +static int ixgbe_start_mac_link_82598(struct ixgbe_hw *hw, bool autoneg_wait_to_complete) { + int status = 0; u32 autoc_reg; u32 links_reg; u32 i; - s32 status = 0; /* Restart link */ autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); @@ -484,7 +439,7 @@ static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw, msleep(100); } if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) { - status = IXGBE_ERR_AUTONEG_NOT_COMPLETE; + status = -EIO; hw_dbg(hw, "Autonegotiation did not complete.\n"); } } @@ -503,7 +458,7 @@ static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw, * Function indicates success when phy link is available. If phy is not ready * within 5 seconds of MAC indicating link, the function returns error. **/ -static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw) +static int ixgbe_validate_link_ready(struct ixgbe_hw *hw) { u32 timeout; u16 an_reg; @@ -524,7 +479,7 @@ static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw) if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) { hw_dbg(hw, "Link was indicated but link is down\n"); - return IXGBE_ERR_LINK_SETUP; + return -EIO; } return 0; @@ -539,7 +494,7 @@ static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw) * * Reads the links register to determine if link is up and the current speed **/ -static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw, +static int ixgbe_check_mac_link_82598(struct ixgbe_hw *hw, ixgbe_link_speed *speed, bool *link_up, bool link_up_wait_to_complete) { @@ -625,7 +580,7 @@ static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw, * * Set the link speed in the AUTOC register and restarts link. **/ -static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw, +static int ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw, ixgbe_link_speed speed, bool autoneg_wait_to_complete) { @@ -640,7 +595,7 @@ static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw, speed &= link_capabilities; if (speed == IXGBE_LINK_SPEED_UNKNOWN) - return IXGBE_ERR_LINK_SETUP; + return -EINVAL; /* Set KX4/KX support according to speed requested */ else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN || @@ -670,11 +625,11 @@ static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw, * * Sets the link speed in the AUTOC register in the MAC and restarts link. **/ -static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, - ixgbe_link_speed speed, - bool autoneg_wait_to_complete) +static int ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, + ixgbe_link_speed speed, + bool autoneg_wait_to_complete) { - s32 status; + int status; /* Setup the PHY according to input speed */ status = hw->phy.ops.setup_link_speed(hw, speed, @@ -693,15 +648,15 @@ static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, * clears all interrupts, performing a PHY reset, and performing a link (MAC) * reset. **/ -static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw) +static int ixgbe_reset_hw_82598(struct ixgbe_hw *hw) { - s32 status; - s32 phy_status = 0; - u32 ctrl; + int phy_status = 0; + u8 analog_val; u32 gheccr; - u32 i; + int status; u32 autoc; - u8 analog_val; + u32 ctrl; + u32 i; /* Call adapter stop to disable tx/rx and clear interrupts */ status = hw->mac.ops.stop_adapter(hw); @@ -747,9 +702,9 @@ static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw) /* Init PHY and function pointers, perform SFP setup */ phy_status = hw->phy.ops.init(hw); - if (phy_status == IXGBE_ERR_SFP_NOT_SUPPORTED) + if (phy_status == -EOPNOTSUPP) return phy_status; - if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT) + if (phy_status == -ENOENT) goto mac_reset_top; hw->phy.ops.reset(hw); @@ -773,7 +728,7 @@ mac_reset_top: udelay(1); } if (ctrl & IXGBE_CTRL_RST) { - status = IXGBE_ERR_RESET_FAILED; + status = -EIO; hw_dbg(hw, "Reset polling failed to complete.\n"); } @@ -796,7 +751,7 @@ mac_reset_top: /* * Store the original AUTOC value if it has not been * stored off yet. Otherwise restore the stored original - * AUTOC value since the reset operation sets back to deaults. + * AUTOC value since the reset operation sets back to defaults. */ autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); if (hw->mac.orig_link_settings_stored == false) { @@ -827,7 +782,7 @@ mac_reset_top: * @rar: receive address register index to associate with a VMDq index * @vmdq: VMDq set index **/ -static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) +static int ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) { u32 rar_high; u32 rar_entries = hw->mac.num_rar_entries; @@ -835,12 +790,12 @@ static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) /* Make sure we are using a valid rar index range */ if (rar >= rar_entries) { hw_dbg(hw, "RAR index %d is out of range.\n", rar); - return IXGBE_ERR_INVALID_ARGUMENT; + return -EINVAL; } rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar)); rar_high &= ~IXGBE_RAH_VIND_MASK; - rar_high |= ((vmdq << IXGBE_RAH_VIND_SHIFT) & IXGBE_RAH_VIND_MASK); + rar_high |= FIELD_PREP(IXGBE_RAH_VIND_MASK, vmdq); IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high); return 0; } @@ -851,7 +806,7 @@ static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) * @rar: receive address register index to associate with a VMDq index * @vmdq: VMDq clear index (not used in 82598, but elsewhere) **/ -static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) +static int ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) { u32 rar_high; u32 rar_entries = hw->mac.num_rar_entries; @@ -860,7 +815,7 @@ static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) /* Make sure we are using a valid rar index range */ if (rar >= rar_entries) { hw_dbg(hw, "RAR index %d is out of range.\n", rar); - return IXGBE_ERR_INVALID_ARGUMENT; + return -EINVAL; } rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar)); @@ -882,7 +837,7 @@ static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) * * Turn on/off specified VLAN in the VLAN filter table. **/ -static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind, +static int ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind, bool vlan_on, bool vlvf_bypass) { u32 regindex; @@ -891,7 +846,7 @@ static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind, u32 vftabyte; if (vlan > 4095) - return IXGBE_ERR_PARAM; + return -EINVAL; /* Determine 32-bit word position in array */ regindex = (vlan >> 5) & 0x7F; /* upper seven bits */ @@ -925,9 +880,9 @@ static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind, * ixgbe_clear_vfta_82598 - Clear VLAN filter table * @hw: pointer to hardware structure * - * Clears the VLAN filer table, and the VMDq index associated with the filter + * Clears the VLAN filter table, and the VMDq index associated with the filter **/ -static s32 ixgbe_clear_vfta_82598(struct ixgbe_hw *hw) +static int ixgbe_clear_vfta_82598(struct ixgbe_hw *hw) { u32 offset; u32 vlanbyte; @@ -951,7 +906,7 @@ static s32 ixgbe_clear_vfta_82598(struct ixgbe_hw *hw) * * Performs read operation to Atlas analog register specified. **/ -static s32 ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val) +static int ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val) { u32 atlas_ctl; @@ -973,7 +928,7 @@ static s32 ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val) * * Performs write operation to Atlas analog register specified. **/ -static s32 ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val) +static int ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val) { u32 atlas_ctl; @@ -994,13 +949,13 @@ static s32 ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val) * * Performs 8 byte read operation to SFP module's data over I2C interface. **/ -static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr, +static int ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr, u8 byte_offset, u8 *eeprom_data) { - s32 status = 0; u16 sfp_addr = 0; u16 sfp_data = 0; u16 sfp_stat = 0; + int status = 0; u16 gssr; u32 i; @@ -1010,7 +965,7 @@ static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr, gssr = IXGBE_GSSR_PHY0_SM; if (hw->mac.ops.acquire_swfw_sync(hw, gssr) != 0) - return IXGBE_ERR_SWFW_SYNC; + return -EBUSY; if (hw->phy.type == ixgbe_phy_nl) { /* @@ -1039,7 +994,7 @@ static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr, if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) { hw_dbg(hw, "EEPROM read did not pass.\n"); - status = IXGBE_ERR_SFP_NOT_PRESENT; + status = -ENOENT; goto out; } @@ -1049,7 +1004,7 @@ static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr, *eeprom_data = (u8)(sfp_data >> 8); } else { - status = IXGBE_ERR_PHY; + status = -EIO; } out: @@ -1065,7 +1020,7 @@ out: * * Performs 8 byte read operation to SFP module's EEPROM over I2C interface. **/ -static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, +static int ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, u8 *eeprom_data) { return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR, @@ -1076,12 +1031,12 @@ static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, * ixgbe_read_i2c_sff8472_82598 - Reads 8 bit word over I2C interface. * @hw: pointer to hardware structure * @byte_offset: byte offset at address 0xA2 - * @eeprom_data: value read + * @sff8472_data: value read * * Performs 8 byte read operation to SFP module's SFF-8472 data over I2C **/ -static s32 ixgbe_read_i2c_sff8472_82598(struct ixgbe_hw *hw, u8 byte_offset, - u8 *sff8472_data) +static int ixgbe_read_i2c_sff8472_82598(struct ixgbe_hw *hw, u8 byte_offset, + u8 *sff8472_data) { return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR2, byte_offset, sff8472_data); @@ -1144,7 +1099,7 @@ static void ixgbe_set_rxpba_82598(struct ixgbe_hw *hw, int num_pb, IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize); /* Setup the last four at 48KB...don't re-init i */ rxpktsize = IXGBE_RXPBSIZE_48KB; - /* Fall Through */ + fallthrough; case PBA_STRATEGY_EQUAL: default: /* Divide the remaining Rx packet buffer evenly among the TCs */ @@ -1214,6 +1169,7 @@ static const struct ixgbe_eeprom_operations eeprom_ops_82598 = { .calc_checksum = &ixgbe_calc_eeprom_checksum_generic, .validate_checksum = &ixgbe_validate_eeprom_checksum_generic, .update_checksum = &ixgbe_update_eeprom_checksum_generic, + .read_pba_string = &ixgbe_read_pba_string_generic, }; static const struct ixgbe_phy_operations phy_ops_82598 = { |