diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 662 |
1 files changed, 395 insertions, 267 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c index 9c42f741ed5e..76d2fa3ef518 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c @@ -1,24 +1,26 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright(c) 1999 - 2018 Intel Corporation. */ +/* Copyright(c) 1999 - 2024 Intel Corporation. */ #include "ixgbe_x540.h" +#include "ixgbe_x550.h" #include "ixgbe_type.h" #include "ixgbe_common.h" +#include "ixgbe_mbx.h" #include "ixgbe_phy.h" -static s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *, ixgbe_link_speed); -static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *); +static int ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *, ixgbe_link_speed); +static int ixgbe_setup_fc_x550em(struct ixgbe_hw *); static void ixgbe_fc_autoneg_fiber_x550em_a(struct ixgbe_hw *); static void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *); -static s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *); +static int ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *); -static s32 ixgbe_get_invariants_X550_x(struct ixgbe_hw *hw) +static int ixgbe_get_invariants_X550_x(struct ixgbe_hw *hw) { struct ixgbe_mac_info *mac = &hw->mac; struct ixgbe_phy_info *phy = &hw->phy; struct ixgbe_link_info *link = &hw->link; - /* Start with X540 invariants, since so simular */ + /* Start with X540 invariants, since so similar */ ixgbe_get_invariants_X540(hw); if (mac->ops.get_media_type(hw) != ixgbe_media_type_copper) @@ -29,7 +31,7 @@ static s32 ixgbe_get_invariants_X550_x(struct ixgbe_hw *hw) return 0; } -static s32 ixgbe_get_invariants_X550_x_fw(struct ixgbe_hw *hw) +static int ixgbe_get_invariants_X550_x_fw(struct ixgbe_hw *hw) { struct ixgbe_phy_info *phy = &hw->phy; @@ -41,12 +43,12 @@ static s32 ixgbe_get_invariants_X550_x_fw(struct ixgbe_hw *hw) return 0; } -static s32 ixgbe_get_invariants_X550_a(struct ixgbe_hw *hw) +static int ixgbe_get_invariants_X550_a(struct ixgbe_hw *hw) { struct ixgbe_mac_info *mac = &hw->mac; struct ixgbe_phy_info *phy = &hw->phy; - /* Start with X540 invariants, since so simular */ + /* Start with X540 invariants, since so similar */ ixgbe_get_invariants_X540(hw); if (mac->ops.get_media_type(hw) != ixgbe_media_type_copper) @@ -55,7 +57,7 @@ static s32 ixgbe_get_invariants_X550_a(struct ixgbe_hw *hw) return 0; } -static s32 ixgbe_get_invariants_X550_a_fw(struct ixgbe_hw *hw) +static int ixgbe_get_invariants_X550_a_fw(struct ixgbe_hw *hw) { struct ixgbe_phy_info *phy = &hw->phy; @@ -91,7 +93,7 @@ static void ixgbe_setup_mux_ctl(struct ixgbe_hw *hw) * * Returns status code */ -static s32 ixgbe_read_cs4227(struct ixgbe_hw *hw, u16 reg, u16 *value) +static int ixgbe_read_cs4227(struct ixgbe_hw *hw, u16 reg, u16 *value) { return hw->link.ops.read_link_unlocked(hw, hw->link.addr, reg, value); } @@ -104,7 +106,7 @@ static s32 ixgbe_read_cs4227(struct ixgbe_hw *hw, u16 reg, u16 *value) * * Returns status code */ -static s32 ixgbe_write_cs4227(struct ixgbe_hw *hw, u16 reg, u16 value) +static int ixgbe_write_cs4227(struct ixgbe_hw *hw, u16 reg, u16 value) { return hw->link.ops.write_link_unlocked(hw, hw->link.addr, reg, value); } @@ -117,9 +119,9 @@ static s32 ixgbe_write_cs4227(struct ixgbe_hw *hw, u16 reg, u16 value) * * Returns status code */ -static s32 ixgbe_read_pe(struct ixgbe_hw *hw, u8 reg, u8 *value) +static int ixgbe_read_pe(struct ixgbe_hw *hw, u8 reg, u8 *value) { - s32 status; + int status; status = ixgbe_read_i2c_byte_generic_unlocked(hw, reg, IXGBE_PE, value); if (status) @@ -135,9 +137,9 @@ static s32 ixgbe_read_pe(struct ixgbe_hw *hw, u8 reg, u8 *value) * * Returns status code */ -static s32 ixgbe_write_pe(struct ixgbe_hw *hw, u8 reg, u8 value) +static int ixgbe_write_pe(struct ixgbe_hw *hw, u8 reg, u8 value) { - s32 status; + int status; status = ixgbe_write_i2c_byte_generic_unlocked(hw, reg, IXGBE_PE, value); @@ -153,9 +155,9 @@ static s32 ixgbe_write_pe(struct ixgbe_hw *hw, u8 reg, u8 value) * This function assumes that the caller has acquired the proper semaphore. * Returns error code */ -static s32 ixgbe_reset_cs4227(struct ixgbe_hw *hw) +static int ixgbe_reset_cs4227(struct ixgbe_hw *hw) { - s32 status; + int status; u32 retry; u16 value; u8 reg; @@ -206,13 +208,13 @@ static s32 ixgbe_reset_cs4227(struct ixgbe_hw *hw) } if (retry == IXGBE_CS4227_RETRIES) { hw_err(hw, "CS4227 reset did not complete\n"); - return IXGBE_ERR_PHY; + return -EIO; } status = ixgbe_read_cs4227(hw, IXGBE_CS4227_EEPROM_STATUS, &value); if (status || !(value & IXGBE_CS4227_EEPROM_LOAD_OK)) { hw_err(hw, "CS4227 EEPROM did not load successfully\n"); - return IXGBE_ERR_PHY; + return -EIO; } return 0; @@ -225,7 +227,7 @@ static s32 ixgbe_reset_cs4227(struct ixgbe_hw *hw) static void ixgbe_check_cs4227(struct ixgbe_hw *hw) { u32 swfw_mask = hw->phy.phy_semaphore_mask; - s32 status; + int status; u16 value; u8 retry; @@ -292,7 +294,7 @@ out: * * Returns error code */ -static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw) +static int ixgbe_identify_phy_x550em(struct ixgbe_hw *hw) { switch (hw->device_id) { case IXGBE_DEV_ID_X550EM_A_SFP: @@ -306,7 +308,7 @@ static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw) hw->phy.phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM; ixgbe_setup_mux_ctl(hw); ixgbe_check_cs4227(hw); - /* Fallthrough */ + fallthrough; case IXGBE_DEV_ID_X550EM_A_SFP_N: return ixgbe_identify_module_generic(hw); case IXGBE_DEV_ID_X550EM_X_KX4: @@ -325,7 +327,7 @@ static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw) hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY1_SM; else hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY0_SM; - /* Fallthrough */ + fallthrough; case IXGBE_DEV_ID_X550EM_X_10G_T: return ixgbe_identify_phy_generic(hw); case IXGBE_DEV_ID_X550EM_X_1G_T: @@ -347,16 +349,16 @@ static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw) return 0; } -static s32 ixgbe_read_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr, +static int ixgbe_read_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type, u16 *phy_data) { - return IXGBE_NOT_IMPLEMENTED; + return -EOPNOTSUPP; } -static s32 ixgbe_write_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr, +static int ixgbe_write_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type, u16 phy_data) { - return IXGBE_NOT_IMPLEMENTED; + return -EOPNOTSUPP; } /** @@ -368,7 +370,7 @@ static s32 ixgbe_write_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr, * * Returns an error code on error. **/ -static s32 ixgbe_read_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr, +static int ixgbe_read_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 *val) { return ixgbe_read_i2c_combined_generic_int(hw, addr, reg, val, true); @@ -383,7 +385,7 @@ static s32 ixgbe_read_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr, * * Returns an error code on error. **/ -static s32 +static int ixgbe_read_i2c_combined_generic_unlocked(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 *val) { @@ -399,7 +401,7 @@ ixgbe_read_i2c_combined_generic_unlocked(struct ixgbe_hw *hw, u8 addr, * * Returns an error code on error. **/ -static s32 ixgbe_write_i2c_combined_generic(struct ixgbe_hw *hw, +static int ixgbe_write_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 val) { return ixgbe_write_i2c_combined_generic_int(hw, addr, reg, val, true); @@ -414,7 +416,7 @@ static s32 ixgbe_write_i2c_combined_generic(struct ixgbe_hw *hw, * * Returns an error code on error. **/ -static s32 +static int ixgbe_write_i2c_combined_generic_unlocked(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 val) { @@ -427,7 +429,7 @@ ixgbe_write_i2c_combined_generic_unlocked(struct ixgbe_hw *hw, * @activity: activity to perform * @data: Pointer to 4 32-bit words of data */ -s32 ixgbe_fw_phy_activity(struct ixgbe_hw *hw, u16 activity, +int ixgbe_fw_phy_activity(struct ixgbe_hw *hw, u16 activity, u32 (*data)[FW_PHY_ACT_DATA_COUNT]) { union { @@ -435,7 +437,7 @@ s32 ixgbe_fw_phy_activity(struct ixgbe_hw *hw, u16 activity, struct ixgbe_hic_phy_activity_resp rsp; } hic; u16 retries = FW_PHY_ACT_RETRIES; - s32 rc; + int rc; u32 i; do { @@ -463,7 +465,7 @@ s32 ixgbe_fw_phy_activity(struct ixgbe_hw *hw, u16 activity, --retries; } while (retries > 0); - return IXGBE_ERR_HOST_INTERFACE_COMMAND; + return -EIO; } static const struct { @@ -484,12 +486,12 @@ static const struct { * * Returns error code */ -static s32 ixgbe_get_phy_id_fw(struct ixgbe_hw *hw) +static int ixgbe_get_phy_id_fw(struct ixgbe_hw *hw) { u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 }; u16 phy_speeds; u16 phy_id_lo; - s32 rc; + int rc; u16 i; if (hw->phy.id) @@ -511,7 +513,7 @@ static s32 ixgbe_get_phy_id_fw(struct ixgbe_hw *hw) hw->phy.id |= phy_id_lo & IXGBE_PHY_REVISION_MASK; hw->phy.revision = phy_id_lo & ~IXGBE_PHY_REVISION_MASK; if (!hw->phy.id || hw->phy.id == IXGBE_PHY_REVISION_MASK) - return IXGBE_ERR_PHY_ADDR_INVALID; + return -EFAULT; hw->phy.autoneg_advertised = hw->phy.speeds_supported; hw->phy.eee_speeds_supported = IXGBE_LINK_SPEED_100_FULL | @@ -526,7 +528,7 @@ static s32 ixgbe_get_phy_id_fw(struct ixgbe_hw *hw) * * Returns error code */ -static s32 ixgbe_identify_phy_fw(struct ixgbe_hw *hw) +static int ixgbe_identify_phy_fw(struct ixgbe_hw *hw) { if (hw->bus.lan_id) hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY1_SM; @@ -545,7 +547,7 @@ static s32 ixgbe_identify_phy_fw(struct ixgbe_hw *hw) * * Returns error code */ -static s32 ixgbe_shutdown_fw_phy(struct ixgbe_hw *hw) +static int ixgbe_shutdown_fw_phy(struct ixgbe_hw *hw) { u32 setup[FW_PHY_ACT_DATA_COUNT] = { 0 }; @@ -557,10 +559,10 @@ static s32 ixgbe_shutdown_fw_phy(struct ixgbe_hw *hw) * ixgbe_setup_fw_link - Setup firmware-controlled PHYs * @hw: pointer to hardware structure */ -static s32 ixgbe_setup_fw_link(struct ixgbe_hw *hw) +static int ixgbe_setup_fw_link(struct ixgbe_hw *hw) { u32 setup[FW_PHY_ACT_DATA_COUNT] = { 0 }; - s32 rc; + int rc; u16 i; if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw)) @@ -568,7 +570,7 @@ static s32 ixgbe_setup_fw_link(struct ixgbe_hw *hw) if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) { hw_err(hw, "rx_pause not valid in strict IEEE mode\n"); - return IXGBE_ERR_INVALID_LINK_SETTINGS; + return -EINVAL; } switch (hw->fc.requested_mode) { @@ -600,8 +602,10 @@ static s32 ixgbe_setup_fw_link(struct ixgbe_hw *hw) rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_SETUP_LINK, &setup); if (rc) return rc; + if (setup[0] == FW_PHY_ACT_SETUP_LINK_RSP_DOWN) - return IXGBE_ERR_OVERTEMP; + return -EIO; + return 0; } @@ -611,7 +615,7 @@ static s32 ixgbe_setup_fw_link(struct ixgbe_hw *hw) * * Called at init time to set up flow control. */ -static s32 ixgbe_fc_autoneg_fw(struct ixgbe_hw *hw) +static int ixgbe_fc_autoneg_fw(struct ixgbe_hw *hw) { if (hw->fc.requested_mode == ixgbe_fc_default) hw->fc.requested_mode = ixgbe_fc_full; @@ -625,19 +629,19 @@ static s32 ixgbe_fc_autoneg_fw(struct ixgbe_hw *hw) * Initializes the EEPROM parameters ixgbe_eeprom_info within the * ixgbe_hw struct in order to set up EEPROM access. **/ -static s32 ixgbe_init_eeprom_params_X550(struct ixgbe_hw *hw) +static int ixgbe_init_eeprom_params_X550(struct ixgbe_hw *hw) { struct ixgbe_eeprom_info *eeprom = &hw->eeprom; - u32 eec; - u16 eeprom_size; if (eeprom->type == ixgbe_eeprom_uninitialized) { + u16 eeprom_size; + u32 eec; + eeprom->semaphore_delay = 10; eeprom->type = ixgbe_flash; eec = IXGBE_READ_REG(hw, IXGBE_EEC(hw)); - eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >> - IXGBE_EEC_SIZE_SHIFT); + eeprom_size = FIELD_GET(IXGBE_EEC_SIZE, eec); eeprom->word_size = BIT(eeprom_size + IXGBE_EEPROM_WORD_SIZE_SHIFT); @@ -657,7 +661,7 @@ static s32 ixgbe_init_eeprom_params_X550(struct ixgbe_hw *hw) * * Note: ctrl can be NULL if the IOSF control register value is not needed */ -static s32 ixgbe_iosf_wait(struct ixgbe_hw *hw, u32 *ctrl) +static int ixgbe_iosf_wait(struct ixgbe_hw *hw, u32 *ctrl) { u32 i, command; @@ -675,25 +679,25 @@ static s32 ixgbe_iosf_wait(struct ixgbe_hw *hw, u32 *ctrl) *ctrl = command; if (i == IXGBE_MDIO_COMMAND_TIMEOUT) { hw_dbg(hw, "IOSF wait timed out\n"); - return IXGBE_ERR_PHY; + return -EIO; } return 0; } -/** ixgbe_read_iosf_sb_reg_x550 - Writes a value to specified register of the +/** ixgbe_read_iosf_sb_reg_x550 - Reads a value to specified register of the * IOSF device * @hw: pointer to hardware structure * @reg_addr: 32 bit PHY register to write * @device_type: 3 bit device type * @phy_data: Pointer to read data from the register **/ -static s32 ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr, +static int ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type, u32 *data) { u32 gssr = IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_PHY0_SM; u32 command, error; - s32 ret; + int ret; ret = hw->mac.ops.acquire_swfw_sync(hw, gssr); if (ret) @@ -712,10 +716,10 @@ static s32 ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr, ret = ixgbe_iosf_wait(hw, &command); if ((command & IXGBE_SB_IOSF_CTRL_RESP_STAT_MASK) != 0) { - error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >> - IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT; + error = FIELD_GET(IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK, command); hw_dbg(hw, "Failed to read, error %x\n", error); - return IXGBE_ERR_PHY; + ret = -EIO; + goto out; } if (!ret) @@ -730,10 +734,10 @@ out: * ixgbe_get_phy_token - Get the token for shared PHY access * @hw: Pointer to hardware structure */ -static s32 ixgbe_get_phy_token(struct ixgbe_hw *hw) +static int ixgbe_get_phy_token(struct ixgbe_hw *hw) { struct ixgbe_hic_phy_token_req token_cmd; - s32 status; + int status; token_cmd.hdr.cmd = FW_PHY_TOKEN_REQ_CMD; token_cmd.hdr.buf_len = FW_PHY_TOKEN_REQ_LEN; @@ -750,19 +754,19 @@ static s32 ixgbe_get_phy_token(struct ixgbe_hw *hw) if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK) return 0; if (token_cmd.hdr.cmd_or_resp.ret_status != FW_PHY_TOKEN_RETRY) - return IXGBE_ERR_FW_RESP_INVALID; + return -EIO; - return IXGBE_ERR_TOKEN_RETRY; + return -EAGAIN; } /** * ixgbe_put_phy_token - Put the token for shared PHY access * @hw: Pointer to hardware structure */ -static s32 ixgbe_put_phy_token(struct ixgbe_hw *hw) +static int ixgbe_put_phy_token(struct ixgbe_hw *hw) { struct ixgbe_hic_phy_token_req token_cmd; - s32 status; + int status; token_cmd.hdr.cmd = FW_PHY_TOKEN_REQ_CMD; token_cmd.hdr.buf_len = FW_PHY_TOKEN_REQ_LEN; @@ -778,7 +782,7 @@ static s32 ixgbe_put_phy_token(struct ixgbe_hw *hw) return status; if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK) return 0; - return IXGBE_ERR_FW_RESP_INVALID; + return -EIO; } /** @@ -788,7 +792,7 @@ static s32 ixgbe_put_phy_token(struct ixgbe_hw *hw) * @device_type: 3 bit device type * @data: Data to write to the register **/ -static s32 ixgbe_write_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, +static int ixgbe_write_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, __always_unused u32 device_type, u32 data) { @@ -814,7 +818,7 @@ static s32 ixgbe_write_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, * @device_type: 3 bit device type * @data: Pointer to read data from the register **/ -static s32 ixgbe_read_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, +static int ixgbe_read_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, __always_unused u32 device_type, u32 *data) { @@ -822,7 +826,7 @@ static s32 ixgbe_read_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, struct ixgbe_hic_internal_phy_req cmd; struct ixgbe_hic_internal_phy_resp rsp; } hic; - s32 status; + int status; memset(&hic, 0, sizeof(hic)); hic.cmd.hdr.cmd = FW_INT_PHY_REQ_CMD; @@ -843,20 +847,20 @@ static s32 ixgbe_read_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, /** ixgbe_read_ee_hostif_buffer_X550- Read EEPROM word(s) using hostif * @hw: pointer to hardware structure - * @offset: offset of word in the EEPROM to read + * @offset: offset of word in the EEPROM to read * @words: number of words * @data: word(s) read from the EEPROM * * Reads a 16 bit word(s) from the EEPROM using the hostif. **/ -static s32 ixgbe_read_ee_hostif_buffer_X550(struct ixgbe_hw *hw, +static int ixgbe_read_ee_hostif_buffer_X550(struct ixgbe_hw *hw, u16 offset, u16 words, u16 *data) { const u32 mask = IXGBE_GSSR_SW_MNG_SM | IXGBE_GSSR_EEP_SM; struct ixgbe_hic_read_shadow_ram buffer; u32 current_word = 0; u16 words_to_read; - s32 status; + int status; u32 i; /* Take semaphore for the entire operation. */ @@ -921,14 +925,14 @@ out: * * Returns error status for any failure **/ -static s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr, +static int ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr, u16 size, u16 *csum, u16 *buffer, u32 buffer_size) { - u16 buf[256]; - s32 status; u16 length, bufsz, i, start; u16 *local_buffer; + u16 buf[256]; + int status; bufsz = ARRAY_SIZE(buf); @@ -942,7 +946,7 @@ static s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr, local_buffer = buf; } else { if (buffer_size < ptr) - return IXGBE_ERR_PARAM; + return -EINVAL; local_buffer = &buffer[ptr]; } @@ -960,7 +964,7 @@ static s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr, } if (buffer && ((u32)start + (u32)length > buffer_size)) - return IXGBE_ERR_PARAM; + return -EINVAL; for (i = start; length; i++, length--) { if (i == bufsz && !buffer) { @@ -989,14 +993,14 @@ static s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr, * * Returns a negative error code on error, or the 16-bit checksum **/ -static s32 ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer, +static int ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer, u32 buffer_size) { u16 eeprom_ptrs[IXGBE_EEPROM_LAST_WORD + 1]; + u16 pointer, i, size; u16 *local_buffer; - s32 status; u16 checksum = 0; - u16 pointer, i, size; + int status; hw->eeprom.ops.init_params(hw); @@ -1012,7 +1016,7 @@ static s32 ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer, local_buffer = eeprom_ptrs; } else { if (buffer_size < IXGBE_EEPROM_LAST_WORD) - return IXGBE_ERR_PARAM; + return -EINVAL; local_buffer = buffer; } @@ -1056,9 +1060,9 @@ static s32 ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer, return status; } - checksum = (u16)IXGBE_EEPROM_SUM - checksum; + checksum = IXGBE_EEPROM_SUM - checksum; - return (s32)checksum; + return checksum; } /** ixgbe_calc_eeprom_checksum_X550 - Calculates and returns the checksum @@ -1066,7 +1070,7 @@ static s32 ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer, * * Returns a negative error code on error, or the 16-bit checksum **/ -static s32 ixgbe_calc_eeprom_checksum_X550(struct ixgbe_hw *hw) +static int ixgbe_calc_eeprom_checksum_X550(struct ixgbe_hw *hw) { return ixgbe_calc_checksum_X550(hw, NULL, 0); } @@ -1078,11 +1082,11 @@ static s32 ixgbe_calc_eeprom_checksum_X550(struct ixgbe_hw *hw) * * Reads a 16 bit word from the EEPROM using the hostif. **/ -static s32 ixgbe_read_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 *data) +static int ixgbe_read_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 *data) { const u32 mask = IXGBE_GSSR_SW_MNG_SM | IXGBE_GSSR_EEP_SM; struct ixgbe_hic_read_shadow_ram buffer; - s32 status; + int status; buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD; buffer.hdr.req.buf_lenh = 0; @@ -1116,12 +1120,12 @@ static s32 ixgbe_read_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 *data) * Performs checksum calculation and validates the EEPROM checksum. If the * caller does not need checksum_val, the value can be NULL. **/ -static s32 ixgbe_validate_eeprom_checksum_X550(struct ixgbe_hw *hw, +static int ixgbe_validate_eeprom_checksum_X550(struct ixgbe_hw *hw, u16 *checksum_val) { - s32 status; - u16 checksum; u16 read_checksum = 0; + u16 checksum; + int status; /* Read the first word from the EEPROM. If this times out or fails, do * not continue or we could be in for a very long wait while every @@ -1148,7 +1152,7 @@ static s32 ixgbe_validate_eeprom_checksum_X550(struct ixgbe_hw *hw, * calculated checksum */ if (read_checksum != checksum) { - status = IXGBE_ERR_EEPROM_CHECKSUM; + status = -EIO; hw_dbg(hw, "Invalid EEPROM checksum"); } @@ -1159,18 +1163,18 @@ static s32 ixgbe_validate_eeprom_checksum_X550(struct ixgbe_hw *hw, return status; } -/** ixgbe_write_ee_hostif_X550 - Write EEPROM word using hostif +/** ixgbe_write_ee_hostif_data_X550 - Write EEPROM word using hostif * @hw: pointer to hardware structure * @offset: offset of word in the EEPROM to write * @data: word write to the EEPROM * * Write a 16 bit word to the EEPROM using the hostif. **/ -static s32 ixgbe_write_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset, +static int ixgbe_write_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset, u16 data) { - s32 status; struct ixgbe_hic_write_shadow_ram buffer; + int status; buffer.hdr.req.cmd = FW_WRITE_SHADOW_RAM_CMD; buffer.hdr.req.buf_lenh = 0; @@ -1194,16 +1198,16 @@ static s32 ixgbe_write_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset, * * Write a 16 bit word to the EEPROM using the hostif. **/ -static s32 ixgbe_write_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 data) +static int ixgbe_write_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 data) { - s32 status = 0; + int status = 0; if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) == 0) { status = ixgbe_write_ee_hostif_data_X550(hw, offset, data); hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM); } else { hw_dbg(hw, "write ee hostif failed to get semaphore"); - status = IXGBE_ERR_SWFW_SYNC; + status = -EBUSY; } return status; @@ -1214,10 +1218,10 @@ static s32 ixgbe_write_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 data) * * Issue a shadow RAM dump to FW to copy EEPROM from shadow RAM to the flash. **/ -static s32 ixgbe_update_flash_X550(struct ixgbe_hw *hw) +static int ixgbe_update_flash_X550(struct ixgbe_hw *hw) { - s32 status = 0; union ixgbe_hic_hdr2 buffer; + int status = 0; buffer.req.cmd = FW_SHADOW_RAM_DUMP_CMD; buffer.req.buf_lenh = 0; @@ -1236,7 +1240,7 @@ static s32 ixgbe_update_flash_X550(struct ixgbe_hw *hw) * Sets bus link width and speed to unknown because X550em is * not a PCI device. **/ -static s32 ixgbe_get_bus_info_X550em(struct ixgbe_hw *hw) +static int ixgbe_get_bus_info_X550em(struct ixgbe_hw *hw) { hw->bus.type = ixgbe_bus_type_internal; hw->bus.width = ixgbe_bus_width_unknown; @@ -1248,8 +1252,8 @@ static s32 ixgbe_get_bus_info_X550em(struct ixgbe_hw *hw) } /** - * ixgbe_fw_recovery_mode - Check FW NVM recovery mode - * @hw: pointer t hardware structure + * ixgbe_fw_recovery_mode_X550 - Check FW NVM recovery mode + * @hw: pointer to hardware structure * * Returns true if in FW NVM recovery mode. */ @@ -1263,13 +1267,13 @@ static bool ixgbe_fw_recovery_mode_X550(struct ixgbe_hw *hw) /** ixgbe_disable_rx_x550 - Disable RX unit * - * Enables the Rx DMA unit for x550 + * Disables the Rx DMA unit for x550 **/ static void ixgbe_disable_rx_x550(struct ixgbe_hw *hw) { - u32 rxctrl, pfdtxgswc; - s32 status; struct ixgbe_hic_disable_rxen fw_cmd; + u32 rxctrl, pfdtxgswc; + int status; rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); if (rxctrl & IXGBE_RXCTRL_RXEN) { @@ -1309,10 +1313,10 @@ static void ixgbe_disable_rx_x550(struct ixgbe_hw *hw) * checksum and updates the EEPROM and instructs the hardware to update * the flash. **/ -static s32 ixgbe_update_eeprom_checksum_X550(struct ixgbe_hw *hw) +static int ixgbe_update_eeprom_checksum_X550(struct ixgbe_hw *hw) { - s32 status; u16 checksum = 0; + int status; /* Read the first word from the EEPROM. If this times out or fails, do * not continue or we could be in for a very long wait while every @@ -1349,11 +1353,11 @@ static s32 ixgbe_update_eeprom_checksum_X550(struct ixgbe_hw *hw) * * Write a 16 bit word(s) to the EEPROM using the hostif. **/ -static s32 ixgbe_write_ee_hostif_buffer_X550(struct ixgbe_hw *hw, +static int ixgbe_write_ee_hostif_buffer_X550(struct ixgbe_hw *hw, u16 offset, u16 words, u16 *data) { - s32 status = 0; + int status = 0; u32 i = 0; /* Take semaphore for the entire operation. */ @@ -1385,12 +1389,12 @@ static s32 ixgbe_write_ee_hostif_buffer_X550(struct ixgbe_hw *hw, * @device_type: 3 bit device type * @data: Data to write to the register **/ -static s32 ixgbe_write_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr, +static int ixgbe_write_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type, u32 data) { u32 gssr = IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_PHY0_SM; u32 command, error; - s32 ret; + int ret; ret = hw->mac.ops.acquire_swfw_sync(hw, gssr); if (ret) @@ -1412,10 +1416,9 @@ static s32 ixgbe_write_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr, ret = ixgbe_iosf_wait(hw, &command); if ((command & IXGBE_SB_IOSF_CTRL_RESP_STAT_MASK) != 0) { - error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >> - IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT; + error = FIELD_GET(IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK, command); hw_dbg(hw, "Failed to write, error %x\n", error); - return IXGBE_ERR_PHY; + return -EIO; } out: @@ -1429,10 +1432,10 @@ out: * * iXfI configuration needed for ixgbe_mac_X550EM_x devices. **/ -static s32 ixgbe_setup_ixfi_x550em_x(struct ixgbe_hw *hw) +static int ixgbe_setup_ixfi_x550em_x(struct ixgbe_hw *hw) { - s32 status; u32 reg_val; + int status; /* Disable training protocol FSM. */ status = ixgbe_read_iosf_sb_reg_x550(hw, @@ -1501,10 +1504,10 @@ static s32 ixgbe_setup_ixfi_x550em_x(struct ixgbe_hw *hw) * internal PHY * @hw: pointer to hardware structure **/ -static s32 ixgbe_restart_an_internal_phy_x550em(struct ixgbe_hw *hw) +static int ixgbe_restart_an_internal_phy_x550em(struct ixgbe_hw *hw) { - s32 status; u32 link_ctrl; + int status; /* Restart auto-negotiation. */ status = hw->mac.ops.read_iosf_sb_reg(hw, @@ -1550,15 +1553,15 @@ static s32 ixgbe_restart_an_internal_phy_x550em(struct ixgbe_hw *hw) * Configures the integrated KR PHY to use iXFI mode. Used to connect an * internal and external PHY at a specific speed, without autonegotiation. **/ -static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed) +static int ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed) { struct ixgbe_mac_info *mac = &hw->mac; - s32 status; u32 reg_val; + int status; /* iXFI is only supported with X552 */ if (mac->type != ixgbe_mac_X550EM_x) - return IXGBE_ERR_LINK_SETUP; + return -EIO; /* Disable AN and force speed to 10G Serial. */ status = ixgbe_read_iosf_sb_reg_x550(hw, @@ -1580,7 +1583,7 @@ static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed) break; default: /* Other link speeds are not supported by internal KR PHY. */ - return IXGBE_ERR_LINK_SETUP; + return -EINVAL; } status = ixgbe_write_iosf_sb_reg_x550(hw, @@ -1607,11 +1610,11 @@ static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed) * @hw: pointer to hardware structure * @linear: true if SFP module is linear */ -static s32 ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear) +static int ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear) { switch (hw->phy.sfp_type) { case ixgbe_sfp_type_not_present: - return IXGBE_ERR_SFP_NOT_PRESENT; + return -ENOENT; case ixgbe_sfp_type_da_cu_core0: case ixgbe_sfp_type_da_cu_core1: *linear = true; @@ -1630,7 +1633,7 @@ static s32 ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear) case ixgbe_sfp_type_1g_cu_core0: case ixgbe_sfp_type_1g_cu_core1: default: - return IXGBE_ERR_SFP_NOT_SUPPORTED; + return -EOPNOTSUPP; } return 0; @@ -1644,14 +1647,14 @@ static s32 ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear) * * Configures the extern PHY and the integrated KR PHY for SFP support. */ -static s32 +static int ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw, ixgbe_link_speed speed, __always_unused bool autoneg_wait_to_complete) { - s32 status; - u16 reg_slice, reg_val; bool setup_linear = false; + u16 reg_slice, reg_val; + int status; /* Check if SFP module is supported and linear */ status = ixgbe_supported_sfp_modules_X550em(hw, &setup_linear); @@ -1660,7 +1663,7 @@ ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw, * there is no reason to configure CS4227 and SFP not present error is * not accepted in the setup MAC link flow. */ - if (status == IXGBE_ERR_SFP_NOT_PRESENT) + if (status == -ENOENT) return 0; if (status) @@ -1690,11 +1693,11 @@ ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw, * Configures the integrated PHY for native SFI mode. Used to connect the * internal PHY directly to an SFP cage, without autonegotiation. **/ -static s32 ixgbe_setup_sfi_x550a(struct ixgbe_hw *hw, ixgbe_link_speed *speed) +static int ixgbe_setup_sfi_x550a(struct ixgbe_hw *hw, ixgbe_link_speed *speed) { struct ixgbe_mac_info *mac = &hw->mac; - s32 status; u32 reg_val; + int status; /* Disable all AN and force speed to 10G Serial. */ status = mac->ops.read_iosf_sb_reg(hw, @@ -1718,7 +1721,7 @@ static s32 ixgbe_setup_sfi_x550a(struct ixgbe_hw *hw, ixgbe_link_speed *speed) break; default: /* Other link speeds are not supported by internal PHY. */ - return IXGBE_ERR_LINK_SETUP; + return -EINVAL; } status = mac->ops.write_iosf_sb_reg(hw, @@ -1737,23 +1740,23 @@ static s32 ixgbe_setup_sfi_x550a(struct ixgbe_hw *hw, ixgbe_link_speed *speed) * @speed: link speed * @autoneg_wait_to_complete: unused * - * Configure the the integrated PHY for native SFP support. + * Configure the integrated PHY for native SFP support. */ -static s32 +static int ixgbe_setup_mac_link_sfp_n(struct ixgbe_hw *hw, ixgbe_link_speed speed, __always_unused bool autoneg_wait_to_complete) { bool setup_linear = false; u32 reg_phy_int; - s32 ret_val; + int ret_val; /* Check if SFP module is supported and linear */ ret_val = ixgbe_supported_sfp_modules_X550em(hw, &setup_linear); /* If no SFP module present, then return success. Return success since - * SFP not present error is not excepted in the setup MAC link flow. + * SFP not present error is not accepted in the setup MAC link flow. */ - if (ret_val == IXGBE_ERR_SFP_NOT_PRESENT) + if (ret_val == -ENOENT) return 0; if (ret_val) @@ -1786,24 +1789,24 @@ ixgbe_setup_mac_link_sfp_n(struct ixgbe_hw *hw, ixgbe_link_speed speed, * @speed: link speed * @autoneg_wait_to_complete: unused * - * Configure the the integrated PHY for SFP support. + * Configure the integrated PHY for SFP support. */ -static s32 +static int ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw, ixgbe_link_speed speed, __always_unused bool autoneg_wait_to_complete) { u32 reg_slice, slice_offset; bool setup_linear = false; u16 reg_phy_ext; - s32 ret_val; + int ret_val; /* Check if SFP module is supported and linear */ ret_val = ixgbe_supported_sfp_modules_X550em(hw, &setup_linear); /* If no SFP module present, then return success. Return success since - * SFP not present error is not excepted in the setup MAC link flow. + * SFP not present error is not accepted in the setup MAC link flow. */ - if (ret_val == IXGBE_ERR_SFP_NOT_PRESENT) + if (ret_val == -ENOENT) return 0; if (ret_val) @@ -1813,7 +1816,7 @@ ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw, ixgbe_link_speed speed, ixgbe_setup_kr_speed_x550em(hw, speed); if (hw->phy.mdio.prtad == MDIO_PRTAD_NONE) - return IXGBE_ERR_PHY_ADDR_INVALID; + return -EFAULT; /* Get external PHY SKU id */ ret_val = hw->phy.ops.read_reg(hw, IXGBE_CS4227_EFUSE_PDF_SKU, @@ -1867,12 +1870,12 @@ ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw, ixgbe_link_speed speed, * * Returns error status for any failure **/ -static s32 ixgbe_setup_mac_link_t_X550em(struct ixgbe_hw *hw, +static int ixgbe_setup_mac_link_t_X550em(struct ixgbe_hw *hw, ixgbe_link_speed speed, bool autoneg_wait) { - s32 status; ixgbe_link_speed force_speed; + int status; /* Setup internal/external PHY link speed to iXFI (10G), unless * only 1G is auto advertised then setup KX link. @@ -1903,7 +1906,7 @@ static s32 ixgbe_setup_mac_link_t_X550em(struct ixgbe_hw *hw, * * Check that both the MAC and X557 external PHY have link. **/ -static s32 ixgbe_check_link_t_X550em(struct ixgbe_hw *hw, +static int ixgbe_check_link_t_X550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed, bool *link_up, bool link_up_wait_to_complete) @@ -1912,7 +1915,7 @@ static s32 ixgbe_check_link_t_X550em(struct ixgbe_hw *hw, u16 i, autoneg_status; if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper) - return IXGBE_ERR_CONFIG; + return -EIO; status = ixgbe_check_mac_link_generic(hw, speed, link_up, link_up_wait_to_complete); @@ -1947,13 +1950,13 @@ static s32 ixgbe_check_link_t_X550em(struct ixgbe_hw *hw, * @speed: unused * @autoneg_wait_to_complete: unused */ -static s32 +static int ixgbe_setup_sgmii(struct ixgbe_hw *hw, __always_unused ixgbe_link_speed speed, __always_unused bool autoneg_wait_to_complete) { struct ixgbe_mac_info *mac = &hw->mac; u32 lval, sval, flx_val; - s32 rc; + int rc; rc = mac->ops.read_iosf_sb_reg(hw, IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), @@ -2020,12 +2023,12 @@ ixgbe_setup_sgmii(struct ixgbe_hw *hw, __always_unused ixgbe_link_speed speed, * @speed: the link speed to force * @autoneg_wait: true when waiting for completion is needed */ -static s32 ixgbe_setup_sgmii_fw(struct ixgbe_hw *hw, ixgbe_link_speed speed, +static int ixgbe_setup_sgmii_fw(struct ixgbe_hw *hw, ixgbe_link_speed speed, bool autoneg_wait) { struct ixgbe_mac_info *mac = &hw->mac; u32 lval, sval, flx_val; - s32 rc; + int rc; rc = mac->ops.read_iosf_sb_reg(hw, IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), @@ -2095,9 +2098,9 @@ static s32 ixgbe_setup_sgmii_fw(struct ixgbe_hw *hw, ixgbe_link_speed speed, */ static void ixgbe_fc_autoneg_sgmii_x550em_a(struct ixgbe_hw *hw) { - s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED; u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 }; ixgbe_link_speed speed; + int status = -EIO; bool link_up; /* AN should have completed when the cable was plugged in. @@ -2115,7 +2118,7 @@ static void ixgbe_fc_autoneg_sgmii_x550em_a(struct ixgbe_hw *hw) /* Check if auto-negotiation has completed */ status = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &info); if (status || !(info[0] & FW_PHY_ACT_GET_LINK_INFO_AN_COMPLETE)) { - status = IXGBE_ERR_FC_NOT_NEGOTIATED; + status = -EIO; goto out; } @@ -2225,10 +2228,10 @@ static void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw) /** ixgbe_setup_sfp_modules_X550em - Setup SFP module * @hw: pointer to hardware structure */ -static s32 ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw) +static int ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw) { - s32 status; bool linear; + int status; /* Check if SFP module is supported */ status = ixgbe_supported_sfp_modules_X550em(hw, &linear); @@ -2246,7 +2249,7 @@ static s32 ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw) * @speed: pointer to link speed * @autoneg: true when autoneg or autotry is enabled **/ -static s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw, +static int ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed, bool *autoneg) { @@ -2303,7 +2306,7 @@ static s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw, break; } } - /* fall through */ + fallthrough; default: *speed = IXGBE_LINK_SPEED_10GB_FULL | IXGBE_LINK_SPEED_1GB_FULL; @@ -2315,22 +2318,22 @@ static s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw, } /** - * ixgbe_get_lasi_ext_t_x550em - Determime external Base T PHY interrupt cause + * ixgbe_get_lasi_ext_t_x550em - Determine external Base T PHY interrupt cause * @hw: pointer to hardware structure * @lsc: pointer to boolean flag which indicates whether external Base T * PHY interrupt is lsc + * @is_overtemp: indicate whether an overtemp event encountered * - * Determime if external Base T PHY interrupt cause is high temperature + * Determine if external Base T PHY interrupt cause is high temperature * failure alarm or link status change. - * - * Return IXGBE_ERR_OVERTEMP if interrupt is high temperature - * failure alarm, else return PHY access status. **/ -static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc) +static int ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc, + bool *is_overtemp) { u32 status; u16 reg; + *is_overtemp = false; *lsc = false; /* Vendor alarm triggered */ @@ -2362,7 +2365,8 @@ static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc) if (reg & IXGBE_MDIO_GLOBAL_ALM_1_HI_TMP_FAIL) { /* power down the PHY in case the PHY FW didn't already */ ixgbe_set_copper_phy_power(hw, false); - return IXGBE_ERR_OVERTEMP; + *is_overtemp = true; + return -EIO; } if (reg & IXGBE_MDIO_GLOBAL_ALM_1_DEV_FAULT) { /* device fault alarm triggered */ @@ -2376,7 +2380,8 @@ static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc) if (reg == IXGBE_MDIO_GLOBAL_FAULT_MSG_HI_TMP) { /* power down the PHY in case the PHY FW didn't */ ixgbe_set_copper_phy_power(hw, false); - return IXGBE_ERR_OVERTEMP; + *is_overtemp = true; + return -EIO; } } @@ -2410,14 +2415,14 @@ static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc) * * Returns PHY access status **/ -static s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw) +static int ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw) { + bool lsc, overtemp; u32 status; u16 reg; - bool lsc; /* Clear interrupt flags */ - status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc); + status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc, &overtemp); /* Enable link status change alarm */ @@ -2496,21 +2501,20 @@ static s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw) /** * ixgbe_handle_lasi_ext_t_x550em - Handle external Base T PHY interrupt * @hw: pointer to hardware structure + * @is_overtemp: indicate whether an overtemp event encountered * * Handle external Base T PHY interrupt. If high temperature * failure alarm then return error, else if link status change * then setup internal/external PHY link - * - * Return IXGBE_ERR_OVERTEMP if interrupt is high temperature - * failure alarm, else return PHY access status. **/ -static s32 ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw) +static int ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw, + bool *is_overtemp) { struct ixgbe_phy_info *phy = &hw->phy; bool lsc; u32 status; - status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc); + status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc, is_overtemp); if (status) return status; @@ -2527,11 +2531,11 @@ static s32 ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw) * * Configures the integrated KR PHY. **/ -static s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *hw, +static int ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *hw, ixgbe_link_speed speed) { - s32 status; u32 reg_val; + int status; status = hw->mac.ops.read_iosf_sb_reg(hw, IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), @@ -2582,7 +2586,7 @@ static s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *hw, * ixgbe_setup_kr_x550em - Configure the KR PHY * @hw: pointer to hardware structure **/ -static s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw) +static int ixgbe_setup_kr_x550em(struct ixgbe_hw *hw) { /* leave link alone for 2.5G */ if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL) @@ -2600,7 +2604,7 @@ static s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw) * * Returns error code if unable to get link status. **/ -static s32 ixgbe_ext_phy_t_x550em_get_link(struct ixgbe_hw *hw, bool *link_up) +static int ixgbe_ext_phy_t_x550em_get_link(struct ixgbe_hw *hw, bool *link_up) { u32 ret; u16 autoneg_status; @@ -2624,7 +2628,7 @@ static s32 ixgbe_ext_phy_t_x550em_get_link(struct ixgbe_hw *hw, bool *link_up) } /** ixgbe_setup_internal_phy_t_x550em - Configure KR PHY to X557 link - * @hw: point to hardware structure + * @hw: pointer to hardware structure * * Configures the link between the integrated KR PHY and the external X557 PHY * The driver will call this function when it gets a link status change @@ -2634,7 +2638,7 @@ static s32 ixgbe_ext_phy_t_x550em_get_link(struct ixgbe_hw *hw, bool *link_up) * A return of a non-zero value indicates an error, and the base driver should * not report link up. **/ -static s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw) +static int ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw) { ixgbe_link_speed force_speed; bool link_up; @@ -2642,7 +2646,7 @@ static s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw) u16 speed; if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper) - return IXGBE_ERR_CONFIG; + return -EIO; if (!(hw->mac.type == ixgbe_mac_X550EM_x && !(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE))) { @@ -2665,7 +2669,7 @@ static s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw) if (status) return status; - /* If link is not still up, then no setup is necessary so return */ + /* If the link is still not up, no setup is necessary */ status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up); if (status) return status; @@ -2685,7 +2689,7 @@ static s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw) break; default: /* Internal PHY does not support anything else */ - return IXGBE_ERR_INVALID_LINK_SETTINGS; + return -EINVAL; } return ixgbe_setup_ixfi_x550em(hw, &force_speed); @@ -2694,9 +2698,9 @@ static s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw) /** ixgbe_reset_phy_t_X550em - Performs X557 PHY reset and enables LASI * @hw: pointer to hardware structure **/ -static s32 ixgbe_reset_phy_t_X550em(struct ixgbe_hw *hw) +static int ixgbe_reset_phy_t_X550em(struct ixgbe_hw *hw) { - s32 status; + int status; status = ixgbe_reset_phy_generic(hw); @@ -2712,12 +2716,12 @@ static s32 ixgbe_reset_phy_t_X550em(struct ixgbe_hw *hw) * @hw: pointer to hardware structure * @led_idx: led number to turn on **/ -static s32 ixgbe_led_on_t_x550em(struct ixgbe_hw *hw, u32 led_idx) +static int ixgbe_led_on_t_x550em(struct ixgbe_hw *hw, u32 led_idx) { u16 phy_data; if (led_idx >= IXGBE_X557_MAX_LED_INDEX) - return IXGBE_ERR_PARAM; + return -EINVAL; /* To turn on the LED, set mode to ON. */ hw->phy.ops.read_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx, @@ -2734,14 +2738,14 @@ static s32 ixgbe_led_on_t_x550em(struct ixgbe_hw *hw, u32 led_idx) * @hw: pointer to hardware structure * @led_idx: led number to turn off **/ -static s32 ixgbe_led_off_t_x550em(struct ixgbe_hw *hw, u32 led_idx) +static int ixgbe_led_off_t_x550em(struct ixgbe_hw *hw, u32 led_idx) { u16 phy_data; if (led_idx >= IXGBE_X557_MAX_LED_INDEX) - return IXGBE_ERR_PARAM; + return -EINVAL; - /* To turn on the LED, set mode to ON. */ + /* To turn off the LED, set mode to OFF. */ hw->phy.ops.read_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx, MDIO_MMD_VEND1, &phy_data); phy_data &= ~IXGBE_X557_LED_MANUAL_SET_MASK; @@ -2763,19 +2767,20 @@ static s32 ixgbe_led_off_t_x550em(struct ixgbe_hw *hw, u32 led_idx) * * Sends driver version number to firmware through the manageability * block. On success return 0 - * else returns IXGBE_ERR_SWFW_SYNC when encountering an error acquiring - * semaphore or IXGBE_ERR_HOST_INTERFACE_COMMAND when command fails. + * else returns -EBUSY when encountering an error acquiring + * semaphore, -EIO when command fails or -EINVAL when incorrect + * params passed. **/ -static s32 ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min, - u8 build, u8 sub, u16 len, - const char *driver_ver) +int ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min, + u8 build, u8 sub, u16 len, + const char *driver_ver) { struct ixgbe_hic_drv_info2 fw_cmd; - s32 ret_val; + int ret_val; int i; if (!len || !driver_ver || (len > sizeof(fw_cmd.driver_string))) - return IXGBE_ERR_INVALID_ARGUMENT; + return -EINVAL; fw_cmd.hdr.cmd = FW_CEM_CMD_DRIVER_INFO; fw_cmd.hdr.buf_len = FW_CEM_CMD_DRIVER_INFO_LEN + len; @@ -2800,25 +2805,25 @@ static s32 ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min, if (fw_cmd.hdr.cmd_or_resp.ret_status != FW_CEM_RESP_STATUS_SUCCESS) - return IXGBE_ERR_HOST_INTERFACE_COMMAND; + return -EIO; return 0; } return ret_val; } -/** ixgbe_get_lcd_x550em - Determine lowest common denominator +/** ixgbe_get_lcd_t_x550em - Determine lowest common denominator * @hw: pointer to hardware structure * @lcd_speed: pointer to lowest common link speed * * Determine lowest common link speed with link partner. **/ -static s32 ixgbe_get_lcd_t_x550em(struct ixgbe_hw *hw, +static int ixgbe_get_lcd_t_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *lcd_speed) { - u16 an_lp_status; - s32 status; u16 word = hw->eeprom.ctrl_word_3; + u16 an_lp_status; + int status; *lcd_speed = IXGBE_LINK_SPEED_UNKNOWN; @@ -2831,33 +2836,33 @@ static s32 ixgbe_get_lcd_t_x550em(struct ixgbe_hw *hw, /* If link partner advertised 1G, return 1G */ if (an_lp_status & IXGBE_AUTO_NEG_LP_1000BASE_CAP) { *lcd_speed = IXGBE_LINK_SPEED_1GB_FULL; - return status; + return 0; } /* If 10G disabled for LPLU via NVM D10GMP, then return no valid LCD */ if ((hw->bus.lan_id && (word & NVM_INIT_CTRL_3_D10GMP_PORT1)) || (word & NVM_INIT_CTRL_3_D10GMP_PORT0)) - return status; + return 0; /* Link partner not capable of lower speeds, return 10G */ *lcd_speed = IXGBE_LINK_SPEED_10GB_FULL; - return status; + return 0; } /** * ixgbe_setup_fc_x550em - Set up flow control * @hw: pointer to hardware structure */ -static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *hw) +static int ixgbe_setup_fc_x550em(struct ixgbe_hw *hw) { bool pause, asm_dir; u32 reg_val; - s32 rc = 0; + int rc = 0; /* Validate the requested mode */ if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) { hw_err(hw, "ixgbe_fc_rx_pause not valid in strict IEEE mode\n"); - return IXGBE_ERR_INVALID_LINK_SETTINGS; + return -EINVAL; } /* 10gig parts do not have a word in the EEPROM to determine the @@ -2885,14 +2890,14 @@ static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *hw) * through to the fc_full statement. Later, we will * disable the adapter's ability to send PAUSE frames. */ - /* Fallthrough */ + fallthrough; case ixgbe_fc_full: pause = true; asm_dir = true; break; default: hw_err(hw, "Flow control param set incorrectly\n"); - return IXGBE_ERR_CONFIG; + return -EIO; } switch (hw->device_id) { @@ -2936,8 +2941,8 @@ static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *hw) static void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *hw) { u32 link_s1, lp_an_page_low, an_cntl_1; - s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED; ixgbe_link_speed speed; + int status = -EIO; bool link_up; /* AN should have completed when the cable was plugged in. @@ -2963,7 +2968,7 @@ static void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *hw) if (status || (link_s1 & IXGBE_KRM_LINK_S1_MAC_AN_COMPLETE) == 0) { hw_dbg(hw, "Auto-Negotiation did not complete\n"); - status = IXGBE_ERR_FC_NOT_NEGOTIATED; + status = -EIO; goto out; } @@ -3020,13 +3025,13 @@ static void ixgbe_fc_autoneg_fiber_x550em_a(struct ixgbe_hw *hw) * (from D0 to non-D0). Link is required to enter LPLU so avoid resetting * the X557 PHY immediately prior to entering LPLU. **/ -static s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw) +static int ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw) { u16 an_10g_cntl_reg, autoneg_reg, speed; - s32 status; ixgbe_link_speed lcd_speed; u32 save_autoneg; bool link_up; + int status; /* If blocked by MNG FW, then don't restart AN */ if (ixgbe_check_reset_blocked(hw)) @@ -3077,7 +3082,7 @@ static s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw) (lcd_speed == IXGBE_LINK_SPEED_1GB_FULL)) || ((speed == IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_10GB) && (lcd_speed == IXGBE_LINK_SPEED_10GB_FULL))) - return status; + return 0; /* Clear AN completed indication */ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_TX_ALARM, @@ -3114,10 +3119,10 @@ static s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw) * ixgbe_reset_phy_fw - Reset firmware-controlled PHYs * @hw: pointer to hardware structure */ -static s32 ixgbe_reset_phy_fw(struct ixgbe_hw *hw) +static int ixgbe_reset_phy_fw(struct ixgbe_hw *hw) { u32 store[FW_PHY_ACT_DATA_COUNT] = { 0 }; - s32 rc; + int rc; if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw)) return 0; @@ -3137,21 +3142,23 @@ static s32 ixgbe_reset_phy_fw(struct ixgbe_hw *hw) /** * ixgbe_check_overtemp_fw - Check firmware-controlled PHYs for overtemp * @hw: pointer to hardware structure + * + * Return true when an overtemp event detected, otherwise false. */ -static s32 ixgbe_check_overtemp_fw(struct ixgbe_hw *hw) +static bool ixgbe_check_overtemp_fw(struct ixgbe_hw *hw) { u32 store[FW_PHY_ACT_DATA_COUNT] = { 0 }; - s32 rc; + int rc; rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &store); if (rc) - return rc; + return false; if (store[0] & FW_PHY_ACT_GET_LINK_INFO_TEMP) { ixgbe_shutdown_fw_phy(hw); - return IXGBE_ERR_OVERTEMP; + return true; } - return 0; + return false; } /** @@ -3168,13 +3175,12 @@ static void ixgbe_read_mng_if_sel_x550em(struct ixgbe_hw *hw) hw->phy.nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL); /* If X552 (X550EM_a) and MDIO is connected to external PHY, then set - * PHY address. This register field was has only been used for X552. + * PHY address. This register field has only been used for X552. */ if (hw->mac.type == ixgbe_mac_x550em_a && hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_MDIO_ACT) { - hw->phy.mdio.prtad = (hw->phy.nw_mng_if_sel & - IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD) >> - IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT; + hw->phy.mdio.prtad = FIELD_GET(IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD, + hw->phy.nw_mng_if_sel); } } @@ -3185,10 +3191,10 @@ static void ixgbe_read_mng_if_sel_x550em(struct ixgbe_hw *hw) * set during init_shared_code because the PHY/SFP type was * not known. Perform the SFP init if necessary. **/ -static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw) +static int ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw) { struct ixgbe_phy_info *phy = &hw->phy; - s32 ret_val; + int ret_val; hw->mac.ops.set_lan_id(hw); @@ -3201,8 +3207,7 @@ static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw) /* Identify the PHY or SFP module */ ret_val = phy->ops.identify(hw); - if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED || - ret_val == IXGBE_ERR_PHY_ADDR_INVALID) + if (ret_val == -EOPNOTSUPP || ret_val == -EFAULT) return ret_val; /* Setup function pointers based on detected hardware */ @@ -3284,7 +3289,7 @@ static enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw) case IXGBE_DEV_ID_X550EM_A_SGMII: case IXGBE_DEV_ID_X550EM_A_SGMII_L: hw->phy.type = ixgbe_phy_sgmii; - /* Fallthrough */ + fallthrough; case IXGBE_DEV_ID_X550EM_X_KR: case IXGBE_DEV_ID_X550EM_X_KX4: case IXGBE_DEV_ID_X550EM_X_XFI: @@ -3311,12 +3316,12 @@ static enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw) return media_type; } -/** ixgbe_init_ext_t_x550em - Start (unstall) the external Base T PHY. +/** ixgbe_init_ext_t_x550em - Start (uninstall) the external Base T PHY. ** @hw: pointer to hardware structure **/ -static s32 ixgbe_init_ext_t_x550em(struct ixgbe_hw *hw) +static int ixgbe_init_ext_t_x550em(struct ixgbe_hw *hw) { - s32 status; + int status; u16 reg; status = hw->phy.ops.read_reg(hw, @@ -3388,14 +3393,14 @@ static void ixgbe_set_mdio_speed(struct ixgbe_hw *hw) ** and clears all interrupts, perform a PHY reset, and perform a link (MAC) ** reset. **/ -static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw) +static int ixgbe_reset_hw_X550em(struct ixgbe_hw *hw) { + u32 swfw_mask = hw->phy.phy_semaphore_mask; ixgbe_link_speed link_speed; - s32 status; + bool link_up = false; u32 ctrl = 0; + int status; u32 i; - bool link_up = false; - u32 swfw_mask = hw->phy.phy_semaphore_mask; /* Call adapter stop to disable Tx/Rx and clear interrupts */ status = hw->mac.ops.stop_adapter(hw); @@ -3405,10 +3410,12 @@ static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw) /* flush pending Tx transactions */ ixgbe_clear_tx_pending(hw); + /* set MDIO speed before talking to the PHY in case it's the 1st time */ + ixgbe_set_mdio_speed(hw); + /* PHY ops must be identified and initialized prior to reset */ status = hw->phy.ops.init(hw); - if (status == IXGBE_ERR_SFP_NOT_SUPPORTED || - status == IXGBE_ERR_PHY_ADDR_INVALID) + if (status == -EOPNOTSUPP || status == -EFAULT) return status; /* start the external PHY */ @@ -3424,7 +3431,7 @@ static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw) hw->phy.sfp_setup_needed = false; } - if (status == IXGBE_ERR_SFP_NOT_SUPPORTED) + if (status == -EOPNOTSUPP) return status; /* Reset PHY */ @@ -3448,7 +3455,7 @@ mac_reset_top: status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask); if (status) { hw_dbg(hw, "semaphore failed with %d", status); - return IXGBE_ERR_SWFW_SYNC; + return -EBUSY; } ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL); @@ -3466,7 +3473,7 @@ mac_reset_top: } if (ctrl & IXGBE_CTRL_RST_MASK) { - status = IXGBE_ERR_RESET_FAILED; + status = -EIO; hw_dbg(hw, "Reset polling failed to complete.\n"); } @@ -3499,14 +3506,14 @@ mac_reset_top: return status; } -/** ixgbe_set_ethertype_anti_spoofing_X550 - Enable/Disable Ethertype +/** ixgbe_set_ethertype_anti_spoofing_x550 - Enable/Disable Ethertype * anti-spoofing * @hw: pointer to hardware structure * @enable: enable or disable switch for Ethertype anti-spoofing * @vf: Virtual Function pool - VF Pool to set for Ethertype anti-spoofing **/ -static void ixgbe_set_ethertype_anti_spoofing_X550(struct ixgbe_hw *hw, - bool enable, int vf) +void ixgbe_set_ethertype_anti_spoofing_x550(struct ixgbe_hw *hw, + bool enable, int vf) { int vf_target_reg = vf >> 3; int vf_target_shift = vf % 8 + IXGBE_SPOOF_ETHERTYPEAS_SHIFT; @@ -3521,14 +3528,14 @@ static void ixgbe_set_ethertype_anti_spoofing_X550(struct ixgbe_hw *hw, IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), pfvfspoof); } -/** ixgbe_set_source_address_pruning_X550 - Enable/Disbale src address pruning +/** ixgbe_set_source_address_pruning_x550 - Enable/Disable src address pruning * @hw: pointer to hardware structure * @enable: enable or disable source address pruning * @pool: Rx pool to set source address pruning for **/ -static void ixgbe_set_source_address_pruning_X550(struct ixgbe_hw *hw, - bool enable, - unsigned int pool) +void ixgbe_set_source_address_pruning_x550(struct ixgbe_hw *hw, + bool enable, + unsigned int pool) { u64 pfflp; @@ -3554,15 +3561,15 @@ static void ixgbe_set_source_address_pruning_X550(struct ixgbe_hw *hw, * * Called at init time to set up flow control. **/ -static s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw) +static int ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw) { - s32 status = 0; u32 an_cntl = 0; + int status = 0; /* Validate the requested mode */ if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) { hw_err(hw, "ixgbe_fc_rx_pause not valid in strict IEEE mode\n"); - return IXGBE_ERR_INVALID_LINK_SETTINGS; + return -EINVAL; } if (hw->fc.requested_mode == ixgbe_fc_default) @@ -3619,7 +3626,7 @@ static s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw) break; default: hw_err(hw, "Flow control param set incorrectly\n"); - return IXGBE_ERR_CONFIG; + return -EIO; } status = hw->mac.ops.write_iosf_sb_reg(hw, @@ -3659,9 +3666,9 @@ static void ixgbe_set_mux(struct ixgbe_hw *hw, u8 state) * * Acquires the SWFW semaphore and sets the I2C MUX */ -static s32 ixgbe_acquire_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask) +static int ixgbe_acquire_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask) { - s32 status; + int status; status = ixgbe_acquire_swfw_sync_X540(hw, mask); if (status) @@ -3695,11 +3702,11 @@ static void ixgbe_release_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask) * * Acquires the SWFW semaphore and get the shared PHY token as needed */ -static s32 ixgbe_acquire_swfw_sync_x550em_a(struct ixgbe_hw *hw, u32 mask) +static int ixgbe_acquire_swfw_sync_x550em_a(struct ixgbe_hw *hw, u32 mask) { u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM; int retries = FW_PHY_TOKEN_RETRIES; - s32 status; + int status; while (--retries) { status = 0; @@ -3715,7 +3722,7 @@ static s32 ixgbe_acquire_swfw_sync_x550em_a(struct ixgbe_hw *hw, u32 mask) return 0; if (hmask) ixgbe_release_swfw_sync_X540(hw, hmask); - if (status != IXGBE_ERR_TOKEN_RETRY) + if (status != -EAGAIN) return status; msleep(FW_PHY_TOKEN_DELAY); } @@ -3728,7 +3735,7 @@ static s32 ixgbe_acquire_swfw_sync_x550em_a(struct ixgbe_hw *hw, u32 mask) * @hw: pointer to hardware structure * @mask: Mask to specify which semaphore to release * - * Release the SWFW semaphore and puts the shared PHY token as needed + * Release the SWFW semaphore and puts back the shared PHY token as needed */ static void ixgbe_release_swfw_sync_x550em_a(struct ixgbe_hw *hw, u32 mask) { @@ -3749,17 +3756,17 @@ static void ixgbe_release_swfw_sync_x550em_a(struct ixgbe_hw *hw, u32 mask) * @phy_data: Pointer to read data from PHY register * * Reads a value from a specified PHY register using the SWFW lock and PHY - * Token. The PHY Token is needed since the MDIO is shared between to MAC + * Token. The PHY Token is needed since the MDIO is shared between two MAC * instances. */ -static s32 ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, +static int ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type, u16 *phy_data) { u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM; - s32 status; + int status; if (hw->mac.ops.acquire_swfw_sync(hw, mask)) - return IXGBE_ERR_SWFW_SYNC; + return -EBUSY; status = hw->phy.ops.read_reg_mdi(hw, reg_addr, device_type, phy_data); @@ -3778,14 +3785,14 @@ static s32 ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, * Writes a value to specified PHY register using the SWFW lock and PHY Token. * The PHY Token is needed since the MDIO is shared between to MAC instances. */ -static s32 ixgbe_write_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, +static int ixgbe_write_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type, u16 phy_data) { u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM; - s32 status; + int status; if (hw->mac.ops.acquire_swfw_sync(hw, mask)) - return IXGBE_ERR_SWFW_SYNC; + return -EBUSY; status = ixgbe_write_phy_reg_mdi(hw, reg_addr, device_type, phy_data); hw->mac.ops.release_swfw_sync(hw, mask); @@ -3793,6 +3800,122 @@ static s32 ixgbe_write_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, return status; } +static void ixgbe_set_mdd_x550(struct ixgbe_hw *hw, bool ena) +{ + u32 reg_dma, reg_rdr; + + reg_dma = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); + reg_rdr = IXGBE_READ_REG(hw, IXGBE_RDRXCTL); + + if (ena) { + reg_dma |= (IXGBE_DMATXCTL_MDP_EN | IXGBE_DMATXCTL_MBINTEN); + reg_rdr |= (IXGBE_RDRXCTL_MDP_EN | IXGBE_RDRXCTL_MBINTEN); + } else { + reg_dma &= ~(IXGBE_DMATXCTL_MDP_EN | IXGBE_DMATXCTL_MBINTEN); + reg_rdr &= ~(IXGBE_RDRXCTL_MDP_EN | IXGBE_RDRXCTL_MBINTEN); + } + + IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_dma); + IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, reg_rdr); +} + +/** + * ixgbe_enable_mdd_x550 - enable malicious driver detection + * @hw: pointer to hardware structure + */ +void ixgbe_enable_mdd_x550(struct ixgbe_hw *hw) +{ + ixgbe_set_mdd_x550(hw, true); +} + +/** + * ixgbe_disable_mdd_x550 - disable malicious driver detection + * @hw: pointer to hardware structure + */ +void ixgbe_disable_mdd_x550(struct ixgbe_hw *hw) +{ + ixgbe_set_mdd_x550(hw, false); +} + +/** + * ixgbe_restore_mdd_vf_x550 - restore VF that was disabled during MDD event + * @hw: pointer to hardware structure + * @vf: vf index + */ +void ixgbe_restore_mdd_vf_x550(struct ixgbe_hw *hw, u32 vf) +{ + u32 idx, reg, val, num_qs, start_q, bitmask; + + /* Map VF to queues */ + reg = IXGBE_READ_REG(hw, IXGBE_MRQC); + switch (reg & IXGBE_MRQC_MRQE_MASK) { + case IXGBE_MRQC_VMDQRT8TCEN: + num_qs = IXGBE_16VFS_QUEUES; + bitmask = IXGBE_16VFS_BITMASK; + break; + case IXGBE_MRQC_VMDQRSS32EN: + case IXGBE_MRQC_VMDQRT4TCEN: + num_qs = IXGBE_32VFS_QUEUES; + bitmask = IXGBE_32VFS_BITMASK; + break; + default: + num_qs = IXGBE_64VFS_QUEUES; + bitmask = IXGBE_64VFS_BITMASK; + break; + } + start_q = vf * num_qs; + + /* Release vf's queues by clearing WQBR_TX and WQBR_RX (RW1C) */ + idx = start_q / IXGBE_QUEUES_PER_REG; + val = bitmask << (start_q % IXGBE_QUEUES_PER_REG); + IXGBE_WRITE_REG(hw, IXGBE_WQBR_TX(idx), val); + IXGBE_WRITE_REG(hw, IXGBE_WQBR_RX(idx), val); +} + +/** + * ixgbe_handle_mdd_x550 - handle malicious driver detection event + * @hw: pointer to hardware structure + * @vf_bitmap: output vf bitmap of malicious vfs + */ +void ixgbe_handle_mdd_x550(struct ixgbe_hw *hw, unsigned long *vf_bitmap) +{ + u32 i, j, reg, q, div, vf; + unsigned long wqbr; + + /* figure out pool size for mapping to vf's */ + reg = IXGBE_READ_REG(hw, IXGBE_MRQC); + switch (reg & IXGBE_MRQC_MRQE_MASK) { + case IXGBE_MRQC_VMDQRT8TCEN: + div = IXGBE_16VFS_QUEUES; + break; + case IXGBE_MRQC_VMDQRSS32EN: + case IXGBE_MRQC_VMDQRT4TCEN: + div = IXGBE_32VFS_QUEUES; + break; + default: + div = IXGBE_64VFS_QUEUES; + break; + } + + /* Read WQBR_TX and WQBR_RX and check for malicious queues */ + for (i = 0; i < IXGBE_QUEUES_REG_AMOUNT; i++) { + wqbr = IXGBE_READ_REG(hw, IXGBE_WQBR_TX(i)) | + IXGBE_READ_REG(hw, IXGBE_WQBR_RX(i)); + if (!wqbr) + continue; + + /* Get malicious queue */ + for_each_set_bit(j, (unsigned long *)&wqbr, + IXGBE_QUEUES_PER_REG) { + /* Get queue from bitmask */ + q = j + (i * IXGBE_QUEUES_PER_REG); + /* Map queue to vf */ + vf = q / div; + set_bit(vf, vf_bitmap); + } + } +} + #define X550_COMMON_MAC \ .init_hw = &ixgbe_init_hw_generic, \ .start_hw = &ixgbe_start_hw_X540, \ @@ -3825,9 +3948,9 @@ static s32 ixgbe_write_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr, .set_mac_anti_spoofing = &ixgbe_set_mac_anti_spoofing, \ .set_vlan_anti_spoofing = &ixgbe_set_vlan_anti_spoofing, \ .set_source_address_pruning = \ - &ixgbe_set_source_address_pruning_X550, \ + &ixgbe_set_source_address_pruning_x550, \ .set_ethertype_anti_spoofing = \ - &ixgbe_set_ethertype_anti_spoofing_X550, \ + &ixgbe_set_ethertype_anti_spoofing_x550, \ .disable_rx_buff = &ixgbe_disable_rx_buff_generic, \ .enable_rx_buff = &ixgbe_enable_rx_buff_generic, \ .get_thermal_sensor_data = NULL, \ @@ -3856,6 +3979,10 @@ static const struct ixgbe_mac_operations mac_ops_X550 = { .prot_autoc_write = prot_autoc_write_generic, .setup_fc = ixgbe_setup_fc_generic, .fc_autoneg = ixgbe_fc_autoneg, + .enable_mdd = ixgbe_enable_mdd_x550, + .disable_mdd = ixgbe_disable_mdd_x550, + .restore_mdd_vf = ixgbe_restore_mdd_vf_x550, + .handle_mdd = ixgbe_handle_mdd_x550, }; static const struct ixgbe_mac_operations mac_ops_X550EM_x = { @@ -3952,6 +4079,7 @@ static const struct ixgbe_mac_operations mac_ops_x550em_a_fw = { .validate_checksum = &ixgbe_validate_eeprom_checksum_X550, \ .update_checksum = &ixgbe_update_eeprom_checksum_X550, \ .calc_checksum = &ixgbe_calc_eeprom_checksum_X550, \ + .read_pba_string = &ixgbe_read_pba_string_generic, \ static const struct ixgbe_eeprom_operations eeprom_ops_X550 = { X550_COMMON_EEP @@ -4041,7 +4169,7 @@ static const u32 ixgbe_mvals_X550EM_x[IXGBE_MVALS_IDX_LIMIT] = { IXGBE_MVALS_INIT(X550EM_x) }; -static const u32 ixgbe_mvals_x550em_a[IXGBE_MVALS_IDX_LIMIT] = { +const u32 ixgbe_mvals_x550em_a[IXGBE_MVALS_IDX_LIMIT] = { IXGBE_MVALS_INIT(X550EM_a) }; |
