/*******************************************************************************
-Copyright (c) 2001-2012, Intel Corporation
+Copyright (c) 2001-2014, Intel Corporation
All rights reserved.
Redistribution and use in source and binary forms, with or without
#include "ixgbe_common.h"
#include "ixgbe_phy.h"
+#include "ixgbe_dcb.h"
+#include "ixgbe_dcb_82599.h"
#include "ixgbe_api.h"
-static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw);
-static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw);
-static void ixgbe_release_eeprom_semaphore(struct ixgbe_hw *hw);
-static s32 ixgbe_ready_eeprom(struct ixgbe_hw *hw);
-static void ixgbe_standby_eeprom(struct ixgbe_hw *hw);
-static void ixgbe_shift_out_eeprom_bits(struct ixgbe_hw *hw, u16 data,
- u16 count);
-static u16 ixgbe_shift_in_eeprom_bits(struct ixgbe_hw *hw, u16 count);
-static void ixgbe_raise_eeprom_clk(struct ixgbe_hw *hw, u32 *eec);
-static void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec);
-static void ixgbe_release_eeprom(struct ixgbe_hw *hw);
-
-static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr);
-static s32 ixgbe_get_san_mac_addr_offset(struct ixgbe_hw *hw,
- u16 *san_mac_offset);
-static s32 ixgbe_fc_autoneg_fiber(struct ixgbe_hw *hw);
-static s32 ixgbe_fc_autoneg_backplane(struct ixgbe_hw *hw);
-static s32 ixgbe_fc_autoneg_copper(struct ixgbe_hw *hw);
-static s32 ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw);
-static s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
- u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm);
-static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num);
-static s32 ixgbe_read_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
- u16 words, u16 *data);
-static s32 ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
- u16 words, u16 *data);
-static s32 ixgbe_detect_eeprom_page_size_generic(struct ixgbe_hw *hw,
- u16 offset);
-
-
-s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan);
+STATIC s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw);
+STATIC s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw);
+STATIC void ixgbe_release_eeprom_semaphore(struct ixgbe_hw *hw);
+STATIC s32 ixgbe_ready_eeprom(struct ixgbe_hw *hw);
+STATIC void ixgbe_standby_eeprom(struct ixgbe_hw *hw);
+STATIC void ixgbe_shift_out_eeprom_bits(struct ixgbe_hw *hw, u16 data,
+ u16 count);
+STATIC u16 ixgbe_shift_in_eeprom_bits(struct ixgbe_hw *hw, u16 count);
+STATIC void ixgbe_raise_eeprom_clk(struct ixgbe_hw *hw, u32 *eec);
+STATIC void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec);
+STATIC void ixgbe_release_eeprom(struct ixgbe_hw *hw);
+
+STATIC s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr);
+STATIC s32 ixgbe_get_san_mac_addr_offset(struct ixgbe_hw *hw,
+ u16 *san_mac_offset);
+STATIC s32 ixgbe_read_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
+ u16 words, u16 *data);
+STATIC s32 ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
+ u16 words, u16 *data);
+STATIC s32 ixgbe_detect_eeprom_page_size_generic(struct ixgbe_hw *hw,
+ u16 offset);
/**
* ixgbe_init_ops_generic - Inits function ptrs
DEBUGFUNC("ixgbe_init_ops_generic");
/* EEPROM */
- eeprom->ops.init_params = &ixgbe_init_eeprom_params_generic;
+ eeprom->ops.init_params = ixgbe_init_eeprom_params_generic;
/* If EEPROM is valid (bit 8 = 1), use EERD otherwise use bit bang */
if (eec & IXGBE_EEC_PRES) {
- eeprom->ops.read = &ixgbe_read_eerd_generic;
- eeprom->ops.read_buffer = &ixgbe_read_eerd_buffer_generic;
+ eeprom->ops.read = ixgbe_read_eerd_generic;
+ eeprom->ops.read_buffer = ixgbe_read_eerd_buffer_generic;
} else {
- eeprom->ops.read = &ixgbe_read_eeprom_bit_bang_generic;
+ eeprom->ops.read = ixgbe_read_eeprom_bit_bang_generic;
eeprom->ops.read_buffer =
- &ixgbe_read_eeprom_buffer_bit_bang_generic;
+ ixgbe_read_eeprom_buffer_bit_bang_generic;
}
- eeprom->ops.write = &ixgbe_write_eeprom_generic;
- eeprom->ops.write_buffer = &ixgbe_write_eeprom_buffer_bit_bang_generic;
+ eeprom->ops.write = ixgbe_write_eeprom_generic;
+ eeprom->ops.write_buffer = ixgbe_write_eeprom_buffer_bit_bang_generic;
eeprom->ops.validate_checksum =
- &ixgbe_validate_eeprom_checksum_generic;
- eeprom->ops.update_checksum = &ixgbe_update_eeprom_checksum_generic;
- eeprom->ops.calc_checksum = &ixgbe_calc_eeprom_checksum_generic;
+ ixgbe_validate_eeprom_checksum_generic;
+ eeprom->ops.update_checksum = ixgbe_update_eeprom_checksum_generic;
+ eeprom->ops.calc_checksum = ixgbe_calc_eeprom_checksum_generic;
/* MAC */
- mac->ops.init_hw = &ixgbe_init_hw_generic;
+ mac->ops.init_hw = ixgbe_init_hw_generic;
mac->ops.reset_hw = NULL;
- mac->ops.start_hw = &ixgbe_start_hw_generic;
- mac->ops.clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic;
+ mac->ops.start_hw = ixgbe_start_hw_generic;
+ mac->ops.clear_hw_cntrs = ixgbe_clear_hw_cntrs_generic;
mac->ops.get_media_type = NULL;
mac->ops.get_supported_physical_layer = NULL;
- mac->ops.enable_rx_dma = &ixgbe_enable_rx_dma_generic;
- mac->ops.get_mac_addr = &ixgbe_get_mac_addr_generic;
- mac->ops.stop_adapter = &ixgbe_stop_adapter_generic;
- mac->ops.get_bus_info = &ixgbe_get_bus_info_generic;
- mac->ops.set_lan_id = &ixgbe_set_lan_id_multi_port_pcie;
- mac->ops.acquire_swfw_sync = &ixgbe_acquire_swfw_sync;
- mac->ops.release_swfw_sync = &ixgbe_release_swfw_sync;
+ mac->ops.enable_rx_dma = ixgbe_enable_rx_dma_generic;
+ mac->ops.get_mac_addr = ixgbe_get_mac_addr_generic;
+ mac->ops.stop_adapter = ixgbe_stop_adapter_generic;
+ mac->ops.get_bus_info = ixgbe_get_bus_info_generic;
+ mac->ops.set_lan_id = ixgbe_set_lan_id_multi_port_pcie;
+ mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync;
+ mac->ops.release_swfw_sync = ixgbe_release_swfw_sync;
+ mac->ops.prot_autoc_read = prot_autoc_read_generic;
+ mac->ops.prot_autoc_write = prot_autoc_write_generic;
/* LEDs */
- mac->ops.led_on = &ixgbe_led_on_generic;
- mac->ops.led_off = &ixgbe_led_off_generic;
- mac->ops.blink_led_start = &ixgbe_blink_led_start_generic;
- mac->ops.blink_led_stop = &ixgbe_blink_led_stop_generic;
+ mac->ops.led_on = ixgbe_led_on_generic;
+ mac->ops.led_off = ixgbe_led_off_generic;
+ mac->ops.blink_led_start = ixgbe_blink_led_start_generic;
+ mac->ops.blink_led_stop = ixgbe_blink_led_stop_generic;
/* RAR, Multicast, VLAN */
- mac->ops.set_rar = &ixgbe_set_rar_generic;
- mac->ops.clear_rar = &ixgbe_clear_rar_generic;
+ mac->ops.set_rar = ixgbe_set_rar_generic;
+ mac->ops.clear_rar = ixgbe_clear_rar_generic;
mac->ops.insert_mac_addr = NULL;
mac->ops.set_vmdq = NULL;
mac->ops.clear_vmdq = NULL;
- mac->ops.init_rx_addrs = &ixgbe_init_rx_addrs_generic;
- mac->ops.update_uc_addr_list = &ixgbe_update_uc_addr_list_generic;
- mac->ops.update_mc_addr_list = &ixgbe_update_mc_addr_list_generic;
- mac->ops.enable_mc = &ixgbe_enable_mc_generic;
- mac->ops.disable_mc = &ixgbe_disable_mc_generic;
+ mac->ops.init_rx_addrs = ixgbe_init_rx_addrs_generic;
+ mac->ops.update_uc_addr_list = ixgbe_update_uc_addr_list_generic;
+ mac->ops.update_mc_addr_list = ixgbe_update_mc_addr_list_generic;
+ mac->ops.enable_mc = ixgbe_enable_mc_generic;
+ mac->ops.disable_mc = ixgbe_disable_mc_generic;
mac->ops.clear_vfta = NULL;
mac->ops.set_vfta = NULL;
+ mac->ops.set_vlvf = NULL;
mac->ops.init_uta_tables = NULL;
+ mac->ops.enable_rx = ixgbe_enable_rx_generic;
+ mac->ops.disable_rx = ixgbe_disable_rx_generic;
/* Flow Control */
- mac->ops.fc_enable = &ixgbe_fc_enable_generic;
+ mac->ops.fc_enable = ixgbe_fc_enable_generic;
/* Link */
mac->ops.get_link_capabilities = NULL;
mac->ops.setup_link = NULL;
mac->ops.check_link = NULL;
+ mac->ops.dmac_config = NULL;
+ mac->ops.dmac_update_tcs = NULL;
+ mac->ops.dmac_config_tcs = NULL;
return IXGBE_SUCCESS;
}
+/**
+ * ixgbe_device_supports_autoneg_fc - Check if device supports autonegotiation
+ * of flow control
+ * @hw: pointer to hardware structure
+ *
+ * This function returns true if the device supports flow control
+ * autonegotiation, and false if it does not.
+ *
+ **/
+bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
+{
+ bool supported = false;
+ ixgbe_link_speed speed;
+ bool link_up;
+
+ DEBUGFUNC("ixgbe_device_supports_autoneg_fc");
+
+ switch (hw->phy.media_type) {
+ case ixgbe_media_type_fiber_qsfp:
+ case ixgbe_media_type_fiber:
+ hw->mac.ops.check_link(hw, &speed, &link_up, false);
+ /* if link is down, assume supported */
+ if (link_up)
+ supported = speed == IXGBE_LINK_SPEED_1GB_FULL ?
+ true : false;
+ else
+ supported = true;
+ break;
+ case ixgbe_media_type_backplane:
+ supported = true;
+ break;
+ case ixgbe_media_type_copper:
+ /* only some copper devices support flow control autoneg */
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_82599_T3_LOM:
+ case IXGBE_DEV_ID_X540T:
+ case IXGBE_DEV_ID_X540T1:
+ case IXGBE_DEV_ID_X550T:
+ supported = true;
+ break;
+ default:
+ supported = false;
+ }
+ default:
+ break;
+ }
+
+ ERROR_REPORT2(IXGBE_ERROR_UNSUPPORTED,
+ "Device %x does not support flow control autoneg",
+ hw->device_id);
+ return supported;
+}
+
+/**
+ * ixgbe_setup_fc - Set up flow control
+ * @hw: pointer to hardware structure
+ *
+ * Called at init time to set up flow control.
+ **/
+STATIC s32 ixgbe_setup_fc(struct ixgbe_hw *hw)
+{
+ s32 ret_val = IXGBE_SUCCESS;
+ u32 reg = 0, reg_bp = 0;
+ u16 reg_cu = 0;
+ bool locked = false;
+
+ DEBUGFUNC("ixgbe_setup_fc");
+
+ /* Validate the requested mode */
+ if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
+ ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
+ "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
+ ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
+ goto out;
+ }
+
+ /*
+ * 10gig parts do not have a word in the EEPROM to determine the
+ * default flow control setting, so we explicitly set it to full.
+ */
+ if (hw->fc.requested_mode == ixgbe_fc_default)
+ hw->fc.requested_mode = ixgbe_fc_full;
+
+ /*
+ * Set up the 1G and 10G flow control advertisement registers so the
+ * HW will be able to do fc autoneg once the cable is plugged in. If
+ * we link at 10G, the 1G advertisement is harmless and vice versa.
+ */
+ switch (hw->phy.media_type) {
+ case ixgbe_media_type_backplane:
+ /* some MAC's need RMW protection on AUTOC */
+ ret_val = hw->mac.ops.prot_autoc_read(hw, &locked, ®_bp);
+ if (ret_val != IXGBE_SUCCESS)
+ goto out;
+
+ /* only backplane uses autoc so fall though */
+ case ixgbe_media_type_fiber_qsfp:
+ case ixgbe_media_type_fiber:
+ reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
+
+ break;
+ case ixgbe_media_type_copper:
+ hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_ADVT,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE, ®_cu);
+ break;
+ default:
+ break;
+ }
+
+ /*
+ * The possible values of fc.requested_mode are:
+ * 0: Flow control is completely disabled
+ * 1: Rx flow control is enabled (we can receive pause frames,
+ * but not send pause frames).
+ * 2: Tx flow control is enabled (we can send pause frames but
+ * we do not support receiving pause frames).
+ * 3: Both Rx and Tx flow control (symmetric) are enabled.
+ * other: Invalid.
+ */
+ switch (hw->fc.requested_mode) {
+ case ixgbe_fc_none:
+ /* Flow control completely disabled by software override. */
+ reg &= ~(IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE);
+ if (hw->phy.media_type == ixgbe_media_type_backplane)
+ reg_bp &= ~(IXGBE_AUTOC_SYM_PAUSE |
+ IXGBE_AUTOC_ASM_PAUSE);
+ else if (hw->phy.media_type == ixgbe_media_type_copper)
+ reg_cu &= ~(IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE);
+ break;
+ case ixgbe_fc_tx_pause:
+ /*
+ * Tx Flow control is enabled, and Rx Flow control is
+ * disabled by software override.
+ */
+ reg |= IXGBE_PCS1GANA_ASM_PAUSE;
+ reg &= ~IXGBE_PCS1GANA_SYM_PAUSE;
+ if (hw->phy.media_type == ixgbe_media_type_backplane) {
+ reg_bp |= IXGBE_AUTOC_ASM_PAUSE;
+ reg_bp &= ~IXGBE_AUTOC_SYM_PAUSE;
+ } else if (hw->phy.media_type == ixgbe_media_type_copper) {
+ reg_cu |= IXGBE_TAF_ASM_PAUSE;
+ reg_cu &= ~IXGBE_TAF_SYM_PAUSE;
+ }
+ break;
+ case ixgbe_fc_rx_pause:
+ /*
+ * Rx Flow control is enabled and Tx Flow control is
+ * disabled by software override. Since there really
+ * isn't a way to advertise that we are capable of RX
+ * Pause ONLY, we will advertise that we support both
+ * symmetric and asymmetric Rx PAUSE, as such we fall
+ * through to the fc_full statement. Later, we will
+ * disable the adapter's ability to send PAUSE frames.
+ */
+ case ixgbe_fc_full:
+ /* Flow control (both Rx and Tx) is enabled by SW override. */
+ reg |= IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE;
+ if (hw->phy.media_type == ixgbe_media_type_backplane)
+ reg_bp |= IXGBE_AUTOC_SYM_PAUSE |
+ IXGBE_AUTOC_ASM_PAUSE;
+ else if (hw->phy.media_type == ixgbe_media_type_copper)
+ reg_cu |= IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE;
+ break;
+ default:
+ ERROR_REPORT1(IXGBE_ERROR_ARGUMENT,
+ "Flow control param set incorrectly\n");
+ ret_val = IXGBE_ERR_CONFIG;
+ goto out;
+ break;
+ }
+
+ if (hw->mac.type < ixgbe_mac_X540) {
+ /*
+ * Enable auto-negotiation between the MAC & PHY;
+ * the MAC will advertise clause 37 flow control.
+ */
+ IXGBE_WRITE_REG(hw, IXGBE_PCS1GANA, reg);
+ reg = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
+
+ /* Disable AN timeout */
+ if (hw->fc.strict_ieee)
+ reg &= ~IXGBE_PCS1GLCTL_AN_1G_TIMEOUT_EN;
+
+ IXGBE_WRITE_REG(hw, IXGBE_PCS1GLCTL, reg);
+ DEBUGOUT1("Set up FC; PCS1GLCTL = 0x%08X\n", reg);
+ }
+
+ /*
+ * AUTOC restart handles negotiation of 1G and 10G on backplane
+ * and copper. There is no need to set the PCS1GCTL register.
+ *
+ */
+ if (hw->phy.media_type == ixgbe_media_type_backplane) {
+ reg_bp |= IXGBE_AUTOC_AN_RESTART;
+ ret_val = hw->mac.ops.prot_autoc_write(hw, reg_bp, locked);
+ if (ret_val)
+ goto out;
+ } else if ((hw->phy.media_type == ixgbe_media_type_copper) &&
+ (ixgbe_device_supports_autoneg_fc(hw))) {
+ hw->phy.ops.write_reg(hw, IXGBE_MDIO_AUTO_NEG_ADVT,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE, reg_cu);
+ }
+
+ DEBUGOUT1("Set up FC; PCS1GLCTL = 0x%08X\n", reg);
+out:
+ return ret_val;
+}
+
/**
* ixgbe_start_hw_generic - Prepare hardware for Tx/Rx
* @hw: pointer to hardware structure
**/
s32 ixgbe_start_hw_generic(struct ixgbe_hw *hw)
{
+ s32 ret_val;
u32 ctrl_ext;
DEBUGFUNC("ixgbe_start_hw_generic");
IXGBE_WRITE_FLUSH(hw);
/* Setup flow control */
- ixgbe_setup_fc(hw, 0);
+ ret_val = ixgbe_setup_fc(hw);
+ if (ret_val != IXGBE_SUCCESS)
+ goto out;
/* Clear adapter stopped flag */
hw->adapter_stopped = false;
- return IXGBE_SUCCESS;
+out:
+ return ret_val;
}
/**
/* Disable relaxed ordering */
for (i = 0; i < hw->mac.max_tx_queues; i++) {
regval = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(i));
- regval &= ~IXGBE_DCA_TXCTRL_TX_WB_RO_EN;
+ regval &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(i), regval);
}
for (i = 0; i < hw->mac.max_rx_queues; i++) {
regval = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
- regval &= ~(IXGBE_DCA_RXCTRL_DESC_WRO_EN |
- IXGBE_DCA_RXCTRL_DESC_HSRO_EN);
+ regval &= ~(IXGBE_DCA_RXCTRL_DATA_WRO_EN |
+ IXGBE_DCA_RXCTRL_HEAD_WRO_EN);
IXGBE_WRITE_REG(hw, IXGBE_DCA_RXCTRL(i), regval);
}
}
}
- if (hw->mac.type == ixgbe_mac_X540) {
+ if (hw->mac.type == ixgbe_mac_X550 || hw->mac.type == ixgbe_mac_X540) {
if (hw->phy.id == 0)
ixgbe_identify_phy(hw);
- hw->phy.ops.read_reg(hw, 0x3, IXGBE_PCRC8ECL, &i);
- hw->phy.ops.read_reg(hw, 0x3, IXGBE_PCRC8ECH, &i);
- hw->phy.ops.read_reg(hw, 0x3, IXGBE_LDPCECL, &i);
- hw->phy.ops.read_reg(hw, 0x3, IXGBE_LDPCECH, &i);
+ hw->phy.ops.read_reg(hw, IXGBE_PCRC8ECL,
+ IXGBE_MDIO_PCS_DEV_TYPE, &i);
+ hw->phy.ops.read_reg(hw, IXGBE_PCRC8ECH,
+ IXGBE_MDIO_PCS_DEV_TYPE, &i);
+ hw->phy.ops.read_reg(hw, IXGBE_LDPCECL,
+ IXGBE_MDIO_PCS_DEV_TYPE, &i);
+ hw->phy.ops.read_reg(hw, IXGBE_LDPCECH,
+ IXGBE_MDIO_PCS_DEV_TYPE, &i);
}
return IXGBE_SUCCESS;
* Reads the part number string from the EEPROM.
**/
s32 ixgbe_read_pba_string_generic(struct ixgbe_hw *hw, u8 *pba_num,
- u32 pba_num_size)
+ u32 pba_num_size)
{
s32 ret_val;
u16 data;
return IXGBE_SUCCESS;
}
+/**
+ * ixgbe_read_pba_raw
+ * @hw: pointer to the HW structure
+ * @eeprom_buf: optional pointer to EEPROM image
+ * @eeprom_buf_size: size of EEPROM image in words
+ * @max_pba_block_size: PBA block size limit
+ * @pba: pointer to output PBA structure
+ *
+ * Reads PBA from EEPROM image when eeprom_buf is not NULL.
+ * Reads PBA from physical EEPROM device when eeprom_buf is NULL.
+ *
+ **/
+s32 ixgbe_read_pba_raw(struct ixgbe_hw *hw, u16 *eeprom_buf,
+ u32 eeprom_buf_size, u16 max_pba_block_size,
+ struct ixgbe_pba *pba)
+{
+ s32 ret_val;
+ u16 pba_block_size;
+
+ if (pba == NULL)
+ return IXGBE_ERR_PARAM;
+
+ if (eeprom_buf == NULL) {
+ ret_val = hw->eeprom.ops.read_buffer(hw, IXGBE_PBANUM0_PTR, 2,
+ &pba->word[0]);
+ if (ret_val)
+ return ret_val;
+ } else {
+ if (eeprom_buf_size > IXGBE_PBANUM1_PTR) {
+ pba->word[0] = eeprom_buf[IXGBE_PBANUM0_PTR];
+ pba->word[1] = eeprom_buf[IXGBE_PBANUM1_PTR];
+ } else {
+ return IXGBE_ERR_PARAM;
+ }
+ }
+
+ if (pba->word[0] == IXGBE_PBANUM_PTR_GUARD) {
+ if (pba->pba_block == NULL)
+ return IXGBE_ERR_PARAM;
+
+ ret_val = ixgbe_get_pba_block_size(hw, eeprom_buf,
+ eeprom_buf_size,
+ &pba_block_size);
+ if (ret_val)
+ return ret_val;
+
+ if (pba_block_size > max_pba_block_size)
+ return IXGBE_ERR_PARAM;
+
+ if (eeprom_buf == NULL) {
+ ret_val = hw->eeprom.ops.read_buffer(hw, pba->word[1],
+ pba_block_size,
+ pba->pba_block);
+ if (ret_val)
+ return ret_val;
+ } else {
+ if (eeprom_buf_size > (u32)(pba->word[1] +
+ pba_block_size)) {
+ memcpy(pba->pba_block,
+ &eeprom_buf[pba->word[1]],
+ pba_block_size * sizeof(u16));
+ } else {
+ return IXGBE_ERR_PARAM;
+ }
+ }
+ }
+
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_write_pba_raw
+ * @hw: pointer to the HW structure
+ * @eeprom_buf: optional pointer to EEPROM image
+ * @eeprom_buf_size: size of EEPROM image in words
+ * @pba: pointer to PBA structure
+ *
+ * Writes PBA to EEPROM image when eeprom_buf is not NULL.
+ * Writes PBA to physical EEPROM device when eeprom_buf is NULL.
+ *
+ **/
+s32 ixgbe_write_pba_raw(struct ixgbe_hw *hw, u16 *eeprom_buf,
+ u32 eeprom_buf_size, struct ixgbe_pba *pba)
+{
+ s32 ret_val;
+
+ if (pba == NULL)
+ return IXGBE_ERR_PARAM;
+
+ if (eeprom_buf == NULL) {
+ ret_val = hw->eeprom.ops.write_buffer(hw, IXGBE_PBANUM0_PTR, 2,
+ &pba->word[0]);
+ if (ret_val)
+ return ret_val;
+ } else {
+ if (eeprom_buf_size > IXGBE_PBANUM1_PTR) {
+ eeprom_buf[IXGBE_PBANUM0_PTR] = pba->word[0];
+ eeprom_buf[IXGBE_PBANUM1_PTR] = pba->word[1];
+ } else {
+ return IXGBE_ERR_PARAM;
+ }
+ }
+
+ if (pba->word[0] == IXGBE_PBANUM_PTR_GUARD) {
+ if (pba->pba_block == NULL)
+ return IXGBE_ERR_PARAM;
+
+ if (eeprom_buf == NULL) {
+ ret_val = hw->eeprom.ops.write_buffer(hw, pba->word[1],
+ pba->pba_block[0],
+ pba->pba_block);
+ if (ret_val)
+ return ret_val;
+ } else {
+ if (eeprom_buf_size > (u32)(pba->word[1] +
+ pba->pba_block[0])) {
+ memcpy(&eeprom_buf[pba->word[1]],
+ pba->pba_block,
+ pba->pba_block[0] * sizeof(u16));
+ } else {
+ return IXGBE_ERR_PARAM;
+ }
+ }
+ }
+
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_get_pba_block_size
+ * @hw: pointer to the HW structure
+ * @eeprom_buf: optional pointer to EEPROM image
+ * @eeprom_buf_size: size of EEPROM image in words
+ * @pba_data_size: pointer to output variable
+ *
+ * Returns the size of the PBA block in words. Function operates on EEPROM
+ * image if the eeprom_buf pointer is not NULL otherwise it accesses physical
+ * EEPROM device.
+ *
+ **/
+s32 ixgbe_get_pba_block_size(struct ixgbe_hw *hw, u16 *eeprom_buf,
+ u32 eeprom_buf_size, u16 *pba_block_size)
+{
+ s32 ret_val;
+ u16 pba_word[2];
+ u16 length;
+
+ DEBUGFUNC("ixgbe_get_pba_block_size");
+
+ if (eeprom_buf == NULL) {
+ ret_val = hw->eeprom.ops.read_buffer(hw, IXGBE_PBANUM0_PTR, 2,
+ &pba_word[0]);
+ if (ret_val)
+ return ret_val;
+ } else {
+ if (eeprom_buf_size > IXGBE_PBANUM1_PTR) {
+ pba_word[0] = eeprom_buf[IXGBE_PBANUM0_PTR];
+ pba_word[1] = eeprom_buf[IXGBE_PBANUM1_PTR];
+ } else {
+ return IXGBE_ERR_PARAM;
+ }
+ }
+
+ if (pba_word[0] == IXGBE_PBANUM_PTR_GUARD) {
+ if (eeprom_buf == NULL) {
+ ret_val = hw->eeprom.ops.read(hw, pba_word[1] + 0,
+ &length);
+ if (ret_val)
+ return ret_val;
+ } else {
+ if (eeprom_buf_size > pba_word[1])
+ length = eeprom_buf[pba_word[1] + 0];
+ else
+ return IXGBE_ERR_PARAM;
+ }
+
+ if (length == 0xFFFF || length == 0)
+ return IXGBE_ERR_PBA_SECTION;
+ } else {
+ /* PBA number in legacy format, there is no PBA Block. */
+ length = 0;
+ }
+
+ if (pba_block_size != NULL)
+ *pba_block_size = length;
+
+ return IXGBE_SUCCESS;
+}
+
/**
* ixgbe_get_mac_addr_generic - Generic get MAC address
* @hw: pointer to hardware structure
}
/**
- * ixgbe_get_bus_info_generic - Generic set PCI bus info
+ * ixgbe_set_pci_config_data_generic - Generic store PCI bus info
* @hw: pointer to hardware structure
+ * @link_status: the link status returned by the PCI config space
*
- * Sets the PCI bus info (speed, width, type) within the ixgbe_hw structure
+ * Stores the PCI bus info (speed, width, type) within the ixgbe_hw structure
**/
-s32 ixgbe_get_bus_info_generic(struct ixgbe_hw *hw)
+void ixgbe_set_pci_config_data_generic(struct ixgbe_hw *hw, u16 link_status)
{
struct ixgbe_mac_info *mac = &hw->mac;
- u16 link_status;
-
- DEBUGFUNC("ixgbe_get_bus_info_generic");
-
- hw->bus.type = ixgbe_bus_type_pci_express;
- /* Get the negotiated link width and speed from PCI config space */
- link_status = IXGBE_READ_PCIE_WORD(hw, IXGBE_PCI_LINK_STATUS);
+ if (hw->bus.type == ixgbe_bus_type_unknown)
+ hw->bus.type = ixgbe_bus_type_pci_express;
switch (link_status & IXGBE_PCI_LINK_WIDTH) {
case IXGBE_PCI_LINK_WIDTH_1:
case IXGBE_PCI_LINK_SPEED_5000:
hw->bus.speed = ixgbe_bus_speed_5000;
break;
+ case IXGBE_PCI_LINK_SPEED_8000:
+ hw->bus.speed = ixgbe_bus_speed_8000;
+ break;
default:
hw->bus.speed = ixgbe_bus_speed_unknown;
break;
}
mac->ops.set_lan_id(hw);
-
- return IXGBE_SUCCESS;
}
/**
- * ixgbe_set_lan_id_multi_port_pcie - Set LAN id for PCIe multiple port devices
- * @hw: pointer to the HW structure
+ * ixgbe_get_bus_info_generic - Generic set PCI bus info
+ * @hw: pointer to hardware structure
*
- * Determines the LAN function id by reading memory-mapped registers
- * and swaps the port value if requested.
+ * Gets the PCI bus info (speed, width, type) then calls helper function to
+ * store this data within the ixgbe_hw structure.
**/
-void ixgbe_set_lan_id_multi_port_pcie(struct ixgbe_hw *hw)
+s32 ixgbe_get_bus_info_generic(struct ixgbe_hw *hw)
+{
+ u16 link_status;
+
+ DEBUGFUNC("ixgbe_get_bus_info_generic");
+
+ /* Get the negotiated link width and speed from PCI config space */
+ link_status = IXGBE_READ_PCIE_WORD(hw, IXGBE_PCI_LINK_STATUS);
+
+ ixgbe_set_pci_config_data_generic(hw, link_status);
+
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_set_lan_id_multi_port_pcie - Set LAN id for PCIe multiple port devices
+ * @hw: pointer to the HW structure
+ *
+ * Determines the LAN function id by reading memory-mapped registers
+ * and swaps the port value if requested.
+ **/
+void ixgbe_set_lan_id_multi_port_pcie(struct ixgbe_hw *hw)
{
struct ixgbe_bus_info *bus = &hw->bus;
u32 reg;
hw->adapter_stopped = true;
/* Disable the receive unit */
- IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, 0);
+ ixgbe_disable_rx(hw);
/* Clear interrupt mask to stop interrupts from being generated */
IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK);
* change if a future EEPROM is not SPI.
*/
eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >>
- IXGBE_EEC_SIZE_SHIFT);
+ IXGBE_EEC_SIZE_SHIFT);
eeprom->word_size = 1 << (eeprom_size +
- IXGBE_EEPROM_WORD_SIZE_SHIFT);
+ IXGBE_EEPROM_WORD_SIZE_SHIFT);
}
if (eec & IXGBE_EEC_ADDR_SIZE)
else
eeprom->address_bits = 8;
DEBUGOUT3("Eeprom params: type = %d, size = %d, address bits: "
- "%d\n", eeprom->type, eeprom->word_size,
- eeprom->address_bits);
+ "%d\n", eeprom->type, eeprom->word_size,
+ eeprom->address_bits);
}
return IXGBE_SUCCESS;
* Reads 16 bit word(s) from EEPROM through bit-bang method
**/
s32 ixgbe_write_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
- u16 words, u16 *data)
+ u16 words, u16 *data)
{
s32 status = IXGBE_SUCCESS;
u16 i, count;
*/
for (i = 0; i < words; i += IXGBE_EEPROM_RD_BUFFER_MAX_COUNT) {
count = (words - i) / IXGBE_EEPROM_RD_BUFFER_MAX_COUNT > 0 ?
- IXGBE_EEPROM_RD_BUFFER_MAX_COUNT : (words - i);
+ IXGBE_EEPROM_RD_BUFFER_MAX_COUNT : (words - i);
status = ixgbe_write_eeprom_buffer_bit_bang(hw, offset + i,
count, &data[i]);
* If ixgbe_eeprom_update_checksum is not called after this function, the
* EEPROM will most likely contain an invalid checksum.
**/
-static s32 ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
- u16 words, u16 *data)
+STATIC s32 ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
+ u16 words, u16 *data)
{
s32 status;
u16 word;
/* Send the WRITE ENABLE command (8 bit opcode ) */
ixgbe_shift_out_eeprom_bits(hw,
- IXGBE_EEPROM_WREN_OPCODE_SPI,
- IXGBE_EEPROM_OPCODE_BITS);
+ IXGBE_EEPROM_WREN_OPCODE_SPI,
+ IXGBE_EEPROM_OPCODE_BITS);
ixgbe_standby_eeprom(hw);
/* Send the Write command (8-bit opcode + addr) */
ixgbe_shift_out_eeprom_bits(hw, write_opcode,
- IXGBE_EEPROM_OPCODE_BITS);
+ IXGBE_EEPROM_OPCODE_BITS);
ixgbe_shift_out_eeprom_bits(hw, (u16)((offset + i) * 2),
- hw->eeprom.address_bits);
+ hw->eeprom.address_bits);
page_size = hw->eeprom.word_page_size;
* Reads 16 bit word(s) from EEPROM through bit-bang method
**/
s32 ixgbe_read_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
- u16 words, u16 *data)
+ u16 words, u16 *data)
{
s32 status = IXGBE_SUCCESS;
u16 i, count;
*/
for (i = 0; i < words; i += IXGBE_EEPROM_RD_BUFFER_MAX_COUNT) {
count = (words - i) / IXGBE_EEPROM_RD_BUFFER_MAX_COUNT > 0 ?
- IXGBE_EEPROM_RD_BUFFER_MAX_COUNT : (words - i);
+ IXGBE_EEPROM_RD_BUFFER_MAX_COUNT : (words - i);
status = ixgbe_read_eeprom_buffer_bit_bang(hw, offset + i,
- count, &data[i]);
+ count, &data[i]);
if (status != IXGBE_SUCCESS)
break;
*
* Reads 16 bit word(s) from EEPROM through bit-bang method
**/
-static s32 ixgbe_read_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
- u16 words, u16 *data)
+STATIC s32 ixgbe_read_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
+ u16 words, u16 *data)
{
s32 status;
u16 word_in;
/* Send the READ command (opcode + addr) */
ixgbe_shift_out_eeprom_bits(hw, read_opcode,
- IXGBE_EEPROM_OPCODE_BITS);
+ IXGBE_EEPROM_OPCODE_BITS);
ixgbe_shift_out_eeprom_bits(hw, (u16)((offset + i) * 2),
- hw->eeprom.address_bits);
+ hw->eeprom.address_bits);
/* Read the data. */
word_in = ixgbe_shift_in_eeprom_bits(hw, 16);
* Reads 16 bit value from EEPROM through bit-bang method
**/
s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
- u16 *data)
+ u16 *data)
{
s32 status;
* Reads a 16 bit word(s) from the EEPROM using the EERD register.
**/
s32 ixgbe_read_eerd_buffer_generic(struct ixgbe_hw *hw, u16 offset,
- u16 words, u16 *data)
+ u16 words, u16 *data)
{
u32 eerd;
s32 status = IXGBE_SUCCESS;
if (words == 0) {
status = IXGBE_ERR_INVALID_ARGUMENT;
+ ERROR_REPORT1(IXGBE_ERROR_ARGUMENT, "Invalid EEPROM words");
goto out;
}
if (offset >= hw->eeprom.word_size) {
status = IXGBE_ERR_EEPROM;
+ ERROR_REPORT1(IXGBE_ERROR_ARGUMENT, "Invalid EEPROM offset");
goto out;
}
for (i = 0; i < words; i++) {
- eerd = ((offset + i) << IXGBE_EEPROM_RW_ADDR_SHIFT) +
+ eerd = ((offset + i) << IXGBE_EEPROM_RW_ADDR_SHIFT) |
IXGBE_EEPROM_RW_REG_START;
IXGBE_WRITE_REG(hw, IXGBE_EERD, eerd);
if (status == IXGBE_SUCCESS) {
data[i] = (IXGBE_READ_REG(hw, IXGBE_EERD) >>
- IXGBE_EEPROM_RW_REG_DATA);
+ IXGBE_EEPROM_RW_REG_DATA);
} else {
DEBUGOUT("Eeprom read timed out\n");
goto out;
* This function is called only when we are writing a new large buffer
* at given offset so the data would be overwritten anyway.
**/
-static s32 ixgbe_detect_eeprom_page_size_generic(struct ixgbe_hw *hw,
- u16 offset)
+STATIC s32 ixgbe_detect_eeprom_page_size_generic(struct ixgbe_hw *hw,
+ u16 offset)
{
u16 data[IXGBE_EEPROM_PAGE_SIZE_MAX];
s32 status = IXGBE_SUCCESS;
hw->eeprom.word_page_size = IXGBE_EEPROM_PAGE_SIZE_MAX;
status = ixgbe_write_eeprom_buffer_bit_bang(hw, offset,
- IXGBE_EEPROM_PAGE_SIZE_MAX, data);
+ IXGBE_EEPROM_PAGE_SIZE_MAX, data);
hw->eeprom.word_page_size = 0;
if (status != IXGBE_SUCCESS)
goto out;
hw->eeprom.word_page_size = IXGBE_EEPROM_PAGE_SIZE_MAX - data[0];
DEBUGOUT1("Detected EEPROM page size = %d words.",
- hw->eeprom.word_page_size);
+ hw->eeprom.word_page_size);
out:
return status;
}
* Write a 16 bit word(s) to the EEPROM using the EEWR register.
**/
s32 ixgbe_write_eewr_buffer_generic(struct ixgbe_hw *hw, u16 offset,
- u16 words, u16 *data)
+ u16 words, u16 *data)
{
u32 eewr;
s32 status = IXGBE_SUCCESS;
if (words == 0) {
status = IXGBE_ERR_INVALID_ARGUMENT;
+ ERROR_REPORT1(IXGBE_ERROR_ARGUMENT, "Invalid EEPROM words");
goto out;
}
if (offset >= hw->eeprom.word_size) {
status = IXGBE_ERR_EEPROM;
+ ERROR_REPORT1(IXGBE_ERROR_ARGUMENT, "Invalid EEPROM offset");
goto out;
}
for (i = 0; i < words; i++) {
eewr = ((offset + i) << IXGBE_EEPROM_RW_ADDR_SHIFT) |
- (data[i] << IXGBE_EEPROM_RW_REG_DATA) |
- IXGBE_EEPROM_RW_REG_START;
+ (data[i] << IXGBE_EEPROM_RW_REG_DATA) |
+ IXGBE_EEPROM_RW_REG_START;
status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_WRITE);
if (status != IXGBE_SUCCESS) {
}
usec_delay(5);
}
+
+ if (i == IXGBE_EERD_EEWR_ATTEMPTS)
+ ERROR_REPORT1(IXGBE_ERROR_POLLING,
+ "EEPROM read/write done polling timed out");
+
return status;
}
* Prepares EEPROM for access using bit-bang method. This function should
* be called before issuing a command to the EEPROM.
**/
-static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw)
+STATIC s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw)
{
s32 status = IXGBE_SUCCESS;
u32 eec;
*
* Sets the hardware semaphores so EEPROM access can occur for bit-bang method
**/
-static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw)
+STATIC s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw)
{
s32 status = IXGBE_ERR_EEPROM;
u32 timeout = 2000;
if (i == timeout) {
DEBUGOUT("Driver can't access the Eeprom - SMBI Semaphore "
- "not granted.\n");
+ "not granted.\n");
/*
* this release is particularly important because our attempts
* above to get the semaphore may have succeeded, and if there
* was not granted because we don't have access to the EEPROM
*/
if (i >= timeout) {
- DEBUGOUT("SWESMBI Software EEPROM semaphore "
- "not granted.\n");
+ ERROR_REPORT1(IXGBE_ERROR_POLLING,
+ "SWESMBI Software EEPROM semaphore not granted.\n");
ixgbe_release_eeprom_semaphore(hw);
status = IXGBE_ERR_EEPROM;
}
} else {
- DEBUGOUT("Software semaphore SMBI between device drivers "
- "not granted.\n");
+ ERROR_REPORT1(IXGBE_ERROR_POLLING,
+ "Software semaphore SMBI between device drivers "
+ "not granted.\n");
}
return status;
*
* This function clears hardware semaphore bits.
**/
-static void ixgbe_release_eeprom_semaphore(struct ixgbe_hw *hw)
+STATIC void ixgbe_release_eeprom_semaphore(struct ixgbe_hw *hw)
{
u32 swsm;
* ixgbe_ready_eeprom - Polls for EEPROM ready
* @hw: pointer to hardware structure
**/
-static s32 ixgbe_ready_eeprom(struct ixgbe_hw *hw)
+STATIC s32 ixgbe_ready_eeprom(struct ixgbe_hw *hw)
{
s32 status = IXGBE_SUCCESS;
u16 i;
*/
for (i = 0; i < IXGBE_EEPROM_MAX_RETRY_SPI; i += 5) {
ixgbe_shift_out_eeprom_bits(hw, IXGBE_EEPROM_RDSR_OPCODE_SPI,
- IXGBE_EEPROM_OPCODE_BITS);
+ IXGBE_EEPROM_OPCODE_BITS);
spi_stat_reg = (u8)ixgbe_shift_in_eeprom_bits(hw, 8);
if (!(spi_stat_reg & IXGBE_EEPROM_STATUS_RDY_SPI))
break;
* ixgbe_standby_eeprom - Returns EEPROM to a "standby" state
* @hw: pointer to hardware structure
**/
-static void ixgbe_standby_eeprom(struct ixgbe_hw *hw)
+STATIC void ixgbe_standby_eeprom(struct ixgbe_hw *hw)
{
u32 eec;
* @data: data to send to the EEPROM
* @count: number of bits to shift out
**/
-static void ixgbe_shift_out_eeprom_bits(struct ixgbe_hw *hw, u16 data,
- u16 count)
+STATIC void ixgbe_shift_out_eeprom_bits(struct ixgbe_hw *hw, u16 data,
+ u16 count)
{
u32 eec;
u32 mask;
* ixgbe_shift_in_eeprom_bits - Shift data bits in from the EEPROM
* @hw: pointer to hardware structure
**/
-static u16 ixgbe_shift_in_eeprom_bits(struct ixgbe_hw *hw, u16 count)
+STATIC u16 ixgbe_shift_in_eeprom_bits(struct ixgbe_hw *hw, u16 count)
{
u32 eec;
u32 i;
* @hw: pointer to hardware structure
* @eec: EEC register's current value
**/
-static void ixgbe_raise_eeprom_clk(struct ixgbe_hw *hw, u32 *eec)
+STATIC void ixgbe_raise_eeprom_clk(struct ixgbe_hw *hw, u32 *eec)
{
DEBUGFUNC("ixgbe_raise_eeprom_clk");
* @hw: pointer to hardware structure
* @eecd: EECD's current value
**/
-static void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec)
+STATIC void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec)
{
DEBUGFUNC("ixgbe_lower_eeprom_clk");
* ixgbe_release_eeprom - Release EEPROM, release semaphores
* @hw: pointer to hardware structure
**/
-static void ixgbe_release_eeprom(struct ixgbe_hw *hw)
+STATIC void ixgbe_release_eeprom(struct ixgbe_hw *hw)
{
u32 eec;
/**
* ixgbe_calc_eeprom_checksum_generic - Calculates and returns the checksum
* @hw: pointer to hardware structure
+ *
+ * Returns a negative error code on error, or the 16-bit checksum
**/
-u16 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw)
+s32 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw)
{
u16 i;
u16 j;
/* Include 0x0-0x3F in the checksum */
for (i = 0; i < IXGBE_EEPROM_CHECKSUM; i++) {
- if (hw->eeprom.ops.read(hw, i, &word) != IXGBE_SUCCESS) {
+ if (hw->eeprom.ops.read(hw, i, &word)) {
DEBUGOUT("EEPROM read failed\n");
- break;
+ return IXGBE_ERR_EEPROM;
}
checksum += word;
}
/* Include all data from pointers except for the fw pointer */
for (i = IXGBE_PCIE_ANALOG_PTR; i < IXGBE_FW_PTR; i++) {
- hw->eeprom.ops.read(hw, i, &pointer);
+ if (hw->eeprom.ops.read(hw, i, &pointer)) {
+ DEBUGOUT("EEPROM read failed\n");
+ return IXGBE_ERR_EEPROM;
+ }
- /* Make sure the pointer seems valid */
- if (pointer != 0xFFFF && pointer != 0) {
- hw->eeprom.ops.read(hw, pointer, &length);
+ /* If the pointer seems invalid */
+ if (pointer == 0xFFFF || pointer == 0)
+ continue;
- if (length != 0xFFFF && length != 0) {
- for (j = pointer+1; j <= pointer+length; j++) {
- hw->eeprom.ops.read(hw, j, &word);
- checksum += word;
- }
+ if (hw->eeprom.ops.read(hw, pointer, &length)) {
+ DEBUGOUT("EEPROM read failed\n");
+ return IXGBE_ERR_EEPROM;
+ }
+
+ if (length == 0xFFFF || length == 0)
+ continue;
+
+ for (j = pointer + 1; j <= pointer + length; j++) {
+ if (hw->eeprom.ops.read(hw, j, &word)) {
+ DEBUGOUT("EEPROM read failed\n");
+ return IXGBE_ERR_EEPROM;
}
+ checksum += word;
}
}
checksum = (u16)IXGBE_EEPROM_SUM - checksum;
- return checksum;
+ return (s32)checksum;
}
/**
* caller does not need checksum_val, the value can be NULL.
**/
s32 ixgbe_validate_eeprom_checksum_generic(struct ixgbe_hw *hw,
- u16 *checksum_val)
+ u16 *checksum_val)
{
s32 status;
u16 checksum;
DEBUGFUNC("ixgbe_validate_eeprom_checksum_generic");
- /*
- * Read the first word from the EEPROM. If this times out or fails, do
+ /* 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
* EEPROM read fails
*/
status = hw->eeprom.ops.read(hw, 0, &checksum);
+ if (status) {
+ DEBUGOUT("EEPROM read failed\n");
+ return status;
+ }
- if (status == IXGBE_SUCCESS) {
- checksum = hw->eeprom.ops.calc_checksum(hw);
+ status = hw->eeprom.ops.calc_checksum(hw);
+ if (status < 0)
+ return status;
- hw->eeprom.ops.read(hw, IXGBE_EEPROM_CHECKSUM, &read_checksum);
+ checksum = (u16)(status & 0xffff);
- /*
- * Verify read checksum from EEPROM is the same as
- * calculated checksum
- */
- if (read_checksum != checksum)
- status = IXGBE_ERR_EEPROM_CHECKSUM;
-
- /* If the user cares, return the calculated checksum */
- if (checksum_val)
- *checksum_val = checksum;
- } else {
+ status = hw->eeprom.ops.read(hw, IXGBE_EEPROM_CHECKSUM, &read_checksum);
+ if (status) {
DEBUGOUT("EEPROM read failed\n");
+ return status;
}
+ /* Verify read checksum from EEPROM is the same as
+ * calculated checksum
+ */
+ if (read_checksum != checksum)
+ status = IXGBE_ERR_EEPROM_CHECKSUM;
+
+ /* If the user cares, return the calculated checksum */
+ if (checksum_val)
+ *checksum_val = checksum;
+
return status;
}
DEBUGFUNC("ixgbe_update_eeprom_checksum_generic");
- /*
- * Read the first word from the EEPROM. If this times out or fails, do
+ /* 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
* EEPROM read fails
*/
status = hw->eeprom.ops.read(hw, 0, &checksum);
-
- if (status == IXGBE_SUCCESS) {
- checksum = hw->eeprom.ops.calc_checksum(hw);
- status = hw->eeprom.ops.write(hw, IXGBE_EEPROM_CHECKSUM,
- checksum);
- } else {
+ if (status) {
DEBUGOUT("EEPROM read failed\n");
+ return status;
}
+ status = hw->eeprom.ops.calc_checksum(hw);
+ if (status < 0)
+ return status;
+
+ checksum = (u16)(status & 0xffff);
+
+ status = hw->eeprom.ops.write(hw, IXGBE_EEPROM_CHECKSUM, checksum);
+
return status;
}
status = IXGBE_ERR_INVALID_MAC_ADDR;
/* Reject the zero address */
} else if (mac_addr[0] == 0 && mac_addr[1] == 0 && mac_addr[2] == 0 &&
- mac_addr[3] == 0 && mac_addr[4] == 0 && mac_addr[5] == 0) {
+ mac_addr[3] == 0 && mac_addr[4] == 0 && mac_addr[5] == 0) {
DEBUGOUT("MAC address is all zeros\n");
status = IXGBE_ERR_INVALID_MAC_ADDR;
}
* Puts an ethernet address into a receive address register.
**/
s32 ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
- u32 enable_addr)
+ u32 enable_addr)
{
u32 rar_low, rar_high;
u32 rar_entries = hw->mac.num_rar_entries;
/* Make sure we are using a valid rar index range */
if (index >= rar_entries) {
- DEBUGOUT1("RAR index %d is out of range.\n", index);
+ ERROR_REPORT2(IXGBE_ERROR_ARGUMENT,
+ "RAR index %d is out of range.\n", index);
return IXGBE_ERR_INVALID_ARGUMENT;
}
* order from network order (big endian) to little endian
*/
rar_low = ((u32)addr[0] |
- ((u32)addr[1] << 8) |
- ((u32)addr[2] << 16) |
- ((u32)addr[3] << 24));
+ ((u32)addr[1] << 8) |
+ ((u32)addr[2] << 16) |
+ ((u32)addr[3] << 24));
/*
* Some parts put the VMDq setting in the extra RAH bits,
* so save everything except the lower 16 bits that hold part
/* Make sure we are using a valid rar index range */
if (index >= rar_entries) {
- DEBUGOUT1("RAR index %d is out of range.\n", index);
+ ERROR_REPORT2(IXGBE_ERROR_ARGUMENT,
+ "RAR index %d is out of range.\n", index);
return IXGBE_ERR_INVALID_ARGUMENT;
}
hw->mac.ops.get_mac_addr(hw, hw->mac.addr);
DEBUGOUT3(" Keeping Current RAR0 Addr =%.2X %.2X %.2X ",
- hw->mac.addr[0], hw->mac.addr[1],
- hw->mac.addr[2]);
+ hw->mac.addr[0], hw->mac.addr[1],
+ hw->mac.addr[2]);
DEBUGOUT3("%.2X %.2X %.2X\n", hw->mac.addr[3],
- hw->mac.addr[4], hw->mac.addr[5]);
+ hw->mac.addr[4], hw->mac.addr[5]);
} else {
/* Setup the receive address. */
DEBUGOUT("Overriding MAC Address in RAR[0]\n");
DEBUGOUT3(" New MAC Addr =%.2X %.2X %.2X ",
- hw->mac.addr[0], hw->mac.addr[1],
- hw->mac.addr[2]);
+ hw->mac.addr[0], hw->mac.addr[1],
+ hw->mac.addr[2]);
DEBUGOUT3("%.2X %.2X %.2X\n", hw->mac.addr[3],
- hw->mac.addr[4], hw->mac.addr[5]);
+ hw->mac.addr[4], hw->mac.addr[5]);
hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
DEBUGFUNC("ixgbe_add_uc_addr");
DEBUGOUT6(" UC Addr = %.2X %.2X %.2X %.2X %.2X %.2X\n",
- addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+ addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
/*
* Place this address in the RAR if there is room,
* manually putting the device into promiscuous mode.
**/
s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, u8 *addr_list,
- u32 addr_count, ixgbe_mc_addr_itr next)
+ u32 addr_count, ixgbe_mc_addr_itr next)
{
u8 *addr;
u32 i;
* by the MO field of the MCSTCTRL. The MO field is set during initialization
* to mc_filter_type.
**/
-static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr)
+STATIC s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr)
{
u32 vector = 0;
* Hashes the given addresses into the multicast table.
**/
s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, u8 *mc_addr_list,
- u32 mc_addr_count, ixgbe_mc_addr_itr next,
- bool clear)
+ u32 mc_addr_count, ixgbe_mc_addr_itr next,
+ bool clear)
{
u32 i;
u32 vmdq;
if (hw->addr_ctrl.mta_in_use > 0)
IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL,
- IXGBE_MCSTCTRL_MFE | hw->mac.mc_filter_type);
+ IXGBE_MCSTCTRL_MFE | hw->mac.mc_filter_type);
DEBUGOUT("ixgbe_update_mc_addr_list_generic Complete\n");
return IXGBE_SUCCESS;
if (a->mta_in_use > 0)
IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL, IXGBE_MCSTCTRL_MFE |
- hw->mac.mc_filter_type);
+ hw->mac.mc_filter_type);
return IXGBE_SUCCESS;
}
/**
* ixgbe_fc_enable_generic - Enable flow control
* @hw: pointer to hardware structure
- * @packetbuf_num: packet buffer number (0-7)
*
* Enable flow control according to the current settings.
**/
-s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num)
+s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw)
{
s32 ret_val = IXGBE_SUCCESS;
u32 mflcn_reg, fccfg_reg;
u32 reg;
u32 fcrtl, fcrth;
+ int i;
DEBUGFUNC("ixgbe_fc_enable_generic");
- /* Negotiate the fc mode to use */
- ret_val = ixgbe_fc_autoneg(hw);
- if (ret_val == IXGBE_ERR_FLOW_CONTROL)
+ /* Validate the water mark configuration */
+ if (!hw->fc.pause_time) {
+ ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
goto out;
+ }
+
+ /* Low water mark of zero causes XOFF floods */
+ for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) {
+ if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
+ hw->fc.high_water[i]) {
+ if (!hw->fc.low_water[i] ||
+ hw->fc.low_water[i] >= hw->fc.high_water[i]) {
+ DEBUGOUT("Invalid water mark configuration\n");
+ ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
+ goto out;
+ }
+ }
+ }
+
+ /* Negotiate the fc mode to use */
+ ixgbe_fc_autoneg(hw);
/* Disable any previous flow control settings */
mflcn_reg = IXGBE_READ_REG(hw, IXGBE_MFLCN);
- mflcn_reg &= ~(IXGBE_MFLCN_RFCE | IXGBE_MFLCN_RPFCE);
+ mflcn_reg &= ~(IXGBE_MFLCN_RPFCE_MASK | IXGBE_MFLCN_RFCE);
fccfg_reg = IXGBE_READ_REG(hw, IXGBE_FCCFG);
fccfg_reg &= ~(IXGBE_FCCFG_TFCE_802_3X | IXGBE_FCCFG_TFCE_PRIORITY);
fccfg_reg |= IXGBE_FCCFG_TFCE_802_3X;
break;
default:
- DEBUGOUT("Flow control param set incorrectly\n");
+ ERROR_REPORT1(IXGBE_ERROR_ARGUMENT,
+ "Flow control param set incorrectly\n");
ret_val = IXGBE_ERR_CONFIG;
goto out;
break;
IXGBE_WRITE_REG(hw, IXGBE_MFLCN, mflcn_reg);
IXGBE_WRITE_REG(hw, IXGBE_FCCFG, fccfg_reg);
- fcrth = hw->fc.high_water[packetbuf_num] << 10;
- fcrtl = hw->fc.low_water << 10;
- if (hw->fc.current_mode & ixgbe_fc_tx_pause) {
- fcrth |= IXGBE_FCRTH_FCEN;
- if (hw->fc.send_xon)
- fcrtl |= IXGBE_FCRTL_XONE;
- }
+ /* Set up and enable Rx high/low water mark thresholds, enable XON. */
+ for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) {
+ if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
+ hw->fc.high_water[i]) {
+ fcrtl = (hw->fc.low_water[i] << 10) | IXGBE_FCRTL_XONE;
+ IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), fcrtl);
+ fcrth = (hw->fc.high_water[i] << 10) | IXGBE_FCRTH_FCEN;
+ } else {
+ IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), 0);
+ /*
+ * In order to prevent Tx hangs when the internal Tx
+ * switch is enabled we must set the high water mark
+ * to the Rx packet buffer size - 24KB. This allows
+ * the Tx switch to function even under heavy Rx
+ * workloads.
+ */
+ fcrth = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i)) - 24576;
+ }
- IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(packetbuf_num), fcrth);
- IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(packetbuf_num), fcrtl);
+ IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), fcrth);
+ }
/* Configure pause time (2 TCs per register) */
- reg = IXGBE_READ_REG(hw, IXGBE_FCTTV(packetbuf_num / 2));
- if ((packetbuf_num & 1) == 0)
- reg = (reg & 0xFFFF0000) | hw->fc.pause_time;
- else
- reg = (reg & 0x0000FFFF) | (hw->fc.pause_time << 16);
- IXGBE_WRITE_REG(hw, IXGBE_FCTTV(packetbuf_num / 2), reg);
+ reg = hw->fc.pause_time * 0x00010001;
+ for (i = 0; i < (IXGBE_DCB_MAX_TRAFFIC_CLASS / 2); i++)
+ IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg);
- IXGBE_WRITE_REG(hw, IXGBE_FCRTV, (hw->fc.pause_time >> 1));
+ /* Configure flow control refresh threshold value */
+ IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2);
out:
return ret_val;
}
/**
- * ixgbe_fc_autoneg - Configure flow control
+ * ixgbe_negotiate_fc - Negotiate flow control
* @hw: pointer to hardware structure
+ * @adv_reg: flow control advertised settings
+ * @lp_reg: link partner's flow control settings
+ * @adv_sym: symmetric pause bit in advertisement
+ * @adv_asm: asymmetric pause bit in advertisement
+ * @lp_sym: symmetric pause bit in link partner advertisement
+ * @lp_asm: asymmetric pause bit in link partner advertisement
*
- * Compares our advertised flow control capabilities to those advertised by
- * our link partner, and determines the proper flow control mode to use.
+ * Find the intersection between advertised settings and link partner's
+ * advertised settings
**/
-s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw)
+STATIC s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
+ u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm)
{
- s32 ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
- ixgbe_link_speed speed;
- bool link_up;
-
- DEBUGFUNC("ixgbe_fc_autoneg");
-
- if (hw->fc.disable_fc_autoneg)
- goto out;
-
- /*
- * AN should have completed when the cable was plugged in.
- * Look for reasons to bail out. Bail out if:
- * - FC autoneg is disabled, or if
- * - link is not up.
- *
- * Since we're being called from an LSC, link is already known to be up.
- * So use link_up_wait_to_complete=FALSE.
- */
- hw->mac.ops.check_link(hw, &speed, &link_up, FALSE);
- if (!link_up) {
- ret_val = IXGBE_ERR_FLOW_CONTROL;
- goto out;
- }
-
- switch (hw->phy.media_type) {
- /* Autoneg flow control on fiber adapters */
- case ixgbe_media_type_fiber:
- if (speed == IXGBE_LINK_SPEED_1GB_FULL)
- ret_val = ixgbe_fc_autoneg_fiber(hw);
- break;
-
- /* Autoneg flow control on backplane adapters */
- case ixgbe_media_type_backplane:
- ret_val = ixgbe_fc_autoneg_backplane(hw);
- break;
-
- /* Autoneg flow control on copper adapters */
- case ixgbe_media_type_copper:
- if (ixgbe_device_supports_autoneg_fc(hw) == IXGBE_SUCCESS)
- ret_val = ixgbe_fc_autoneg_copper(hw);
- break;
-
- default:
- break;
+ if ((!(adv_reg)) || (!(lp_reg))) {
+ ERROR_REPORT3(IXGBE_ERROR_UNSUPPORTED,
+ "Local or link partner's advertised flow control "
+ "settings are NULL. Local: %x, link partner: %x\n",
+ adv_reg, lp_reg);
+ return IXGBE_ERR_FC_NOT_NEGOTIATED;
}
-out:
- if (ret_val == IXGBE_SUCCESS) {
- hw->fc.fc_was_autonegged = TRUE;
+ if ((adv_reg & adv_sym) && (lp_reg & lp_sym)) {
+ /*
+ * Now we need to check if the user selected Rx ONLY
+ * of pause frames. In this case, we had to advertise
+ * FULL flow control because we could not advertise RX
+ * ONLY. Hence, we must now check to see if we need to
+ * turn OFF the TRANSMISSION of PAUSE frames.
+ */
+ if (hw->fc.requested_mode == ixgbe_fc_full) {
+ hw->fc.current_mode = ixgbe_fc_full;
+ DEBUGOUT("Flow Control = FULL.\n");
+ } else {
+ hw->fc.current_mode = ixgbe_fc_rx_pause;
+ DEBUGOUT("Flow Control=RX PAUSE frames only\n");
+ }
+ } else if (!(adv_reg & adv_sym) && (adv_reg & adv_asm) &&
+ (lp_reg & lp_sym) && (lp_reg & lp_asm)) {
+ hw->fc.current_mode = ixgbe_fc_tx_pause;
+ DEBUGOUT("Flow Control = TX PAUSE frames only.\n");
+ } else if ((adv_reg & adv_sym) && (adv_reg & adv_asm) &&
+ !(lp_reg & lp_sym) && (lp_reg & lp_asm)) {
+ hw->fc.current_mode = ixgbe_fc_rx_pause;
+ DEBUGOUT("Flow Control = RX PAUSE frames only.\n");
} else {
- hw->fc.fc_was_autonegged = FALSE;
- hw->fc.current_mode = hw->fc.requested_mode;
+ hw->fc.current_mode = ixgbe_fc_none;
+ DEBUGOUT("Flow Control = NONE.\n");
}
- return ret_val;
+ return IXGBE_SUCCESS;
}
/**
*
* Enable flow control according on 1 gig fiber.
**/
-static s32 ixgbe_fc_autoneg_fiber(struct ixgbe_hw *hw)
+STATIC s32 ixgbe_fc_autoneg_fiber(struct ixgbe_hw *hw)
{
u32 pcs_anadv_reg, pcs_lpab_reg, linkstat;
- s32 ret_val;
+ s32 ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
/*
* On multispeed fiber at 1g, bail out if
linkstat = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
if ((!!(linkstat & IXGBE_PCS1GLSTA_AN_COMPLETE) == 0) ||
(!!(linkstat & IXGBE_PCS1GLSTA_AN_TIMED_OUT) == 1)) {
- ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ DEBUGOUT("Auto-Negotiation did not complete or timed out\n");
goto out;
}
pcs_lpab_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
ret_val = ixgbe_negotiate_fc(hw, pcs_anadv_reg,
- pcs_lpab_reg, IXGBE_PCS1GANA_SYM_PAUSE,
- IXGBE_PCS1GANA_ASM_PAUSE,
- IXGBE_PCS1GANA_SYM_PAUSE,
- IXGBE_PCS1GANA_ASM_PAUSE);
+ pcs_lpab_reg, IXGBE_PCS1GANA_SYM_PAUSE,
+ IXGBE_PCS1GANA_ASM_PAUSE,
+ IXGBE_PCS1GANA_SYM_PAUSE,
+ IXGBE_PCS1GANA_ASM_PAUSE);
out:
return ret_val;
*
* Enable flow control according to IEEE clause 37.
**/
-static s32 ixgbe_fc_autoneg_backplane(struct ixgbe_hw *hw)
+STATIC s32 ixgbe_fc_autoneg_backplane(struct ixgbe_hw *hw)
{
u32 links2, anlp1_reg, autoc_reg, links;
- s32 ret_val;
+ s32 ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
/*
* On backplane, bail out if
*/
links = IXGBE_READ_REG(hw, IXGBE_LINKS);
if ((links & IXGBE_LINKS_KX_AN_COMP) == 0) {
- hw->fc.fc_was_autonegged = FALSE;
- hw->fc.current_mode = hw->fc.requested_mode;
- ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ DEBUGOUT("Auto-Negotiation did not complete\n");
goto out;
}
if (hw->mac.type == ixgbe_mac_82599EB) {
links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2);
if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0) {
- hw->fc.fc_was_autonegged = FALSE;
- hw->fc.current_mode = hw->fc.requested_mode;
- ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ DEBUGOUT("Link partner is not AN enabled\n");
goto out;
}
}
*
* Enable flow control according to IEEE clause 37.
**/
-static s32 ixgbe_fc_autoneg_copper(struct ixgbe_hw *hw)
+STATIC s32 ixgbe_fc_autoneg_copper(struct ixgbe_hw *hw)
{
u16 technology_ability_reg = 0;
u16 lp_technology_ability_reg = 0;
}
/**
- * ixgbe_negotiate_fc - Negotiate flow control
- * @hw: pointer to hardware structure
- * @adv_reg: flow control advertised settings
- * @lp_reg: link partner's flow control settings
- * @adv_sym: symmetric pause bit in advertisement
- * @adv_asm: asymmetric pause bit in advertisement
- * @lp_sym: symmetric pause bit in link partner advertisement
- * @lp_asm: asymmetric pause bit in link partner advertisement
- *
- * Find the intersection between advertised settings and link partner's
- * advertised settings
- **/
-static s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
- u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm)
-{
- if ((!(adv_reg)) || (!(lp_reg)))
- return IXGBE_ERR_FC_NOT_NEGOTIATED;
-
- if ((adv_reg & adv_sym) && (lp_reg & lp_sym)) {
- /*
- * Now we need to check if the user selected Rx ONLY
- * of pause frames. In this case, we had to advertise
- * FULL flow control because we could not advertise RX
- * ONLY. Hence, we must now check to see if we need to
- * turn OFF the TRANSMISSION of PAUSE frames.
- */
- if (hw->fc.requested_mode == ixgbe_fc_full) {
- hw->fc.current_mode = ixgbe_fc_full;
- DEBUGOUT("Flow Control = FULL.\n");
- } else {
- hw->fc.current_mode = ixgbe_fc_rx_pause;
- DEBUGOUT("Flow Control=RX PAUSE frames only\n");
- }
- } else if (!(adv_reg & adv_sym) && (adv_reg & adv_asm) &&
- (lp_reg & lp_sym) && (lp_reg & lp_asm)) {
- hw->fc.current_mode = ixgbe_fc_tx_pause;
- DEBUGOUT("Flow Control = TX PAUSE frames only.\n");
- } else if ((adv_reg & adv_sym) && (adv_reg & adv_asm) &&
- !(lp_reg & lp_sym) && (lp_reg & lp_asm)) {
- hw->fc.current_mode = ixgbe_fc_rx_pause;
- DEBUGOUT("Flow Control = RX PAUSE frames only.\n");
- } else {
- hw->fc.current_mode = ixgbe_fc_none;
- DEBUGOUT("Flow Control = NONE.\n");
- }
- return IXGBE_SUCCESS;
-}
-
-/**
- * ixgbe_setup_fc - Set up flow control
+ * ixgbe_fc_autoneg - Configure flow control
* @hw: pointer to hardware structure
*
- * Called at init time to set up flow control.
+ * Compares our advertised flow control capabilities to those advertised by
+ * our link partner, and determines the proper flow control mode to use.
**/
-static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
+void ixgbe_fc_autoneg(struct ixgbe_hw *hw)
{
- s32 ret_val = IXGBE_SUCCESS;
- u32 reg = 0, reg_bp = 0;
- u16 reg_cu = 0;
-
- DEBUGFUNC("ixgbe_setup_fc");
+ s32 ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ ixgbe_link_speed speed;
+ bool link_up;
- /* Validate the packetbuf configuration */
- if (packetbuf_num < 0 || packetbuf_num > 7) {
- DEBUGOUT1("Invalid packet buffer number [%d], expected range "
- "is 0-7\n", packetbuf_num);
- ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
- goto out;
- }
+ DEBUGFUNC("ixgbe_fc_autoneg");
/*
- * Validate the water mark configuration. Zero water marks are invalid
- * because it causes the controller to just blast out fc packets.
+ * AN should have completed when the cable was plugged in.
+ * Look for reasons to bail out. Bail out if:
+ * - FC autoneg is disabled, or if
+ * - link is not up.
*/
- if (!hw->fc.low_water ||
- !hw->fc.high_water[packetbuf_num] ||
- !hw->fc.pause_time) {
- DEBUGOUT("Invalid water mark configuration\n");
- ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
+ if (hw->fc.disable_fc_autoneg) {
+ ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
+ "Flow control autoneg is disabled");
goto out;
}
- /*
- * Validate the requested mode. Strict IEEE mode does not allow
- * ixgbe_fc_rx_pause because it will cause us to fail at UNH.
- */
- if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
- DEBUGOUT("ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
- ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
+ hw->mac.ops.check_link(hw, &speed, &link_up, false);
+ if (!link_up) {
+ ERROR_REPORT1(IXGBE_ERROR_SOFTWARE, "The link is down");
goto out;
}
- /*
- * 10gig parts do not have a word in the EEPROM to determine the
- * default flow control setting, so we explicitly set it to full.
- */
- if (hw->fc.requested_mode == ixgbe_fc_default)
- hw->fc.requested_mode = ixgbe_fc_full;
-
- /*
- * Set up the 1G and 10G flow control advertisement registers so the
- * HW will be able to do fc autoneg once the cable is plugged in. If
- * we link at 10G, the 1G advertisement is harmless and vice versa.
- */
-
switch (hw->phy.media_type) {
+ /* Autoneg flow control on fiber adapters */
+ case ixgbe_media_type_fiber_qsfp:
case ixgbe_media_type_fiber:
+ if (speed == IXGBE_LINK_SPEED_1GB_FULL)
+ ret_val = ixgbe_fc_autoneg_fiber(hw);
+ break;
+
+ /* Autoneg flow control on backplane adapters */
case ixgbe_media_type_backplane:
- reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
- reg_bp = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+ ret_val = ixgbe_fc_autoneg_backplane(hw);
break;
+ /* Autoneg flow control on copper adapters */
case ixgbe_media_type_copper:
- hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_ADVT,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE, ®_cu);
+ if (ixgbe_device_supports_autoneg_fc(hw))
+ ret_val = ixgbe_fc_autoneg_copper(hw);
break;
default:
- ;
+ break;
}
- /*
- * The possible values of fc.requested_mode are:
- * 0: Flow control is completely disabled
- * 1: Rx flow control is enabled (we can receive pause frames,
- * but not send pause frames).
- * 2: Tx flow control is enabled (we can send pause frames but
- * we do not support receiving pause frames).
- * 3: Both Rx and Tx flow control (symmetric) are enabled.
- * other: Invalid.
- */
- switch (hw->fc.requested_mode) {
- case ixgbe_fc_none:
- /* Flow control completely disabled by software override. */
- reg &= ~(IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE);
- if (hw->phy.media_type == ixgbe_media_type_backplane)
- reg_bp &= ~(IXGBE_AUTOC_SYM_PAUSE |
- IXGBE_AUTOC_ASM_PAUSE);
- else if (hw->phy.media_type == ixgbe_media_type_copper)
- reg_cu &= ~(IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE);
+out:
+ if (ret_val == IXGBE_SUCCESS) {
+ hw->fc.fc_was_autonegged = true;
+ } else {
+ hw->fc.fc_was_autonegged = false;
+ hw->fc.current_mode = hw->fc.requested_mode;
+ }
+}
+
+/*
+ * ixgbe_pcie_timeout_poll - Return number of times to poll for completion
+ * @hw: pointer to hardware structure
+ *
+ * System-wide timeout range is encoded in PCIe Device Control2 register.
+ *
+ * Add 10% to specified maximum and return the number of times to poll for
+ * completion timeout, in units of 100 microsec. Never return less than
+ * 800 = 80 millisec.
+ */
+STATIC u32 ixgbe_pcie_timeout_poll(struct ixgbe_hw *hw)
+{
+ s16 devctl2;
+ u32 pollcnt;
+
+ devctl2 = IXGBE_READ_PCIE_WORD(hw, IXGBE_PCI_DEVICE_CONTROL2);
+ devctl2 &= IXGBE_PCIDEVCTRL2_TIMEO_MASK;
+
+ switch (devctl2) {
+ case IXGBE_PCIDEVCTRL2_65_130ms:
+ pollcnt = 1300; /* 130 millisec */
break;
- case ixgbe_fc_rx_pause:
- /*
- * Rx Flow control is enabled and Tx Flow control is
- * disabled by software override. Since there really
- * isn't a way to advertise that we are capable of RX
- * Pause ONLY, we will advertise that we support both
- * symmetric and asymmetric Rx PAUSE. Later, we will
- * disable the adapter's ability to send PAUSE frames.
- */
- reg |= (IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE);
- if (hw->phy.media_type == ixgbe_media_type_backplane)
- reg_bp |= (IXGBE_AUTOC_SYM_PAUSE |
- IXGBE_AUTOC_ASM_PAUSE);
- else if (hw->phy.media_type == ixgbe_media_type_copper)
- reg_cu |= (IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE);
+ case IXGBE_PCIDEVCTRL2_260_520ms:
+ pollcnt = 5200; /* 520 millisec */
break;
- case ixgbe_fc_tx_pause:
- /*
- * Tx Flow control is enabled, and Rx Flow control is
- * disabled by software override.
- */
- reg |= (IXGBE_PCS1GANA_ASM_PAUSE);
- reg &= ~(IXGBE_PCS1GANA_SYM_PAUSE);
- if (hw->phy.media_type == ixgbe_media_type_backplane) {
- reg_bp |= (IXGBE_AUTOC_ASM_PAUSE);
- reg_bp &= ~(IXGBE_AUTOC_SYM_PAUSE);
- } else if (hw->phy.media_type == ixgbe_media_type_copper) {
- reg_cu |= (IXGBE_TAF_ASM_PAUSE);
- reg_cu &= ~(IXGBE_TAF_SYM_PAUSE);
- }
+ case IXGBE_PCIDEVCTRL2_1_2s:
+ pollcnt = 20000; /* 2 sec */
break;
- case ixgbe_fc_full:
- /* Flow control (both Rx and Tx) is enabled by SW override. */
- reg |= (IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE);
- if (hw->phy.media_type == ixgbe_media_type_backplane)
- reg_bp |= (IXGBE_AUTOC_SYM_PAUSE |
- IXGBE_AUTOC_ASM_PAUSE);
- else if (hw->phy.media_type == ixgbe_media_type_copper)
- reg_cu |= (IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE);
+ case IXGBE_PCIDEVCTRL2_4_8s:
+ pollcnt = 80000; /* 8 sec */
+ break;
+ case IXGBE_PCIDEVCTRL2_17_34s:
+ pollcnt = 34000; /* 34 sec */
break;
+ case IXGBE_PCIDEVCTRL2_50_100us: /* 100 microsecs */
+ case IXGBE_PCIDEVCTRL2_1_2ms: /* 2 millisecs */
+ case IXGBE_PCIDEVCTRL2_16_32ms: /* 32 millisec */
+ case IXGBE_PCIDEVCTRL2_16_32ms_def: /* 32 millisec default */
default:
- DEBUGOUT("Flow control param set incorrectly\n");
- ret_val = IXGBE_ERR_CONFIG;
- goto out;
+ pollcnt = 800; /* 80 millisec minimum */
break;
}
- if (hw->mac.type != ixgbe_mac_X540) {
- /*
- * Enable auto-negotiation between the MAC & PHY;
- * the MAC will advertise clause 37 flow control.
- */
- IXGBE_WRITE_REG(hw, IXGBE_PCS1GANA, reg);
- reg = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
-
- /* Disable AN timeout */
- if (hw->fc.strict_ieee)
- reg &= ~IXGBE_PCS1GLCTL_AN_1G_TIMEOUT_EN;
-
- IXGBE_WRITE_REG(hw, IXGBE_PCS1GLCTL, reg);
- DEBUGOUT1("Set up FC; PCS1GLCTL = 0x%08X\n", reg);
- }
-
- /*
- * AUTOC restart handles negotiation of 1G and 10G on backplane
- * and copper. There is no need to set the PCS1GCTL register.
- *
- */
- if (hw->phy.media_type == ixgbe_media_type_backplane) {
- reg_bp |= IXGBE_AUTOC_AN_RESTART;
- IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_bp);
- } else if ((hw->phy.media_type == ixgbe_media_type_copper) &&
- (ixgbe_device_supports_autoneg_fc(hw) == IXGBE_SUCCESS)) {
- hw->phy.ops.write_reg(hw, IXGBE_MDIO_AUTO_NEG_ADVT,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE, reg_cu);
- }
-
- DEBUGOUT1("Set up FC; IXGBE_AUTOC = 0x%08X\n", reg);
-out:
- return ret_val;
+ /* add 10% to spec maximum */
+ return (pollcnt * 11) / 10;
}
/**
s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw)
{
s32 status = IXGBE_SUCCESS;
- u32 i;
+ u32 i, poll;
+ u16 value;
DEBUGFUNC("ixgbe_disable_pcie_master");
/* Always set this bit to ensure any future transactions are blocked */
IXGBE_WRITE_REG(hw, IXGBE_CTRL, IXGBE_CTRL_GIO_DIS);
- /* Exit if master requets are blocked */
- if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO))
+ /* Exit if master requests are blocked */
+ if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO) ||
+ IXGBE_REMOVED(hw->hw_addr))
goto out;
/* Poll for master request bit to clear */
* Before proceeding, make sure that the PCIe block does not have
* transactions pending.
*/
- for (i = 0; i < IXGBE_PCI_MASTER_DISABLE_TIMEOUT; i++) {
+ poll = ixgbe_pcie_timeout_poll(hw);
+ for (i = 0; i < poll; i++) {
usec_delay(100);
- if (!(IXGBE_READ_PCIE_WORD(hw, IXGBE_PCI_DEVICE_STATUS) &
- IXGBE_PCI_DEVICE_STATUS_TRANSACTION_PENDING))
+ value = IXGBE_READ_PCIE_WORD(hw, IXGBE_PCI_DEVICE_STATUS);
+ if (IXGBE_REMOVED(hw->hw_addr))
+ goto out;
+ if (!(value & IXGBE_PCI_DEVICE_STATUS_TRANSACTION_PENDING))
goto out;
}
- DEBUGOUT("PCIe transaction pending bit also did not clear.\n");
+ ERROR_REPORT1(IXGBE_ERROR_POLLING,
+ "PCIe transaction pending bit also did not clear.\n");
status = IXGBE_ERR_MASTER_REQUESTS_PENDING;
out:
* Acquires the SWFW semaphore through the GSSR register for the specified
* function (CSR, PHY0, PHY1, EEPROM, Flash)
**/
-s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask)
+s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u32 mask)
{
- u32 gssr;
+ u32 gssr = 0;
u32 swmask = mask;
u32 fwmask = mask << 5;
- s32 timeout = 200;
+ u32 timeout = 200;
+ u32 i;
DEBUGFUNC("ixgbe_acquire_swfw_sync");
- while (timeout) {
+ for (i = 0; i < timeout; i++) {
/*
- * SW EEPROM semaphore bit is used for access to all
- * SW_FW_SYNC/GSSR bits (not just EEPROM)
+ * SW NVM semaphore bit is used for access to all
+ * SW_FW_SYNC bits (not just NVM)
*/
if (ixgbe_get_eeprom_semaphore(hw))
return IXGBE_ERR_SWFW_SYNC;
gssr = IXGBE_READ_REG(hw, IXGBE_GSSR);
- if (!(gssr & (fwmask | swmask)))
- break;
-
- /*
- * Firmware currently using resource (fwmask) or other software
- * thread currently using resource (swmask)
- */
- ixgbe_release_eeprom_semaphore(hw);
- msec_delay(5);
- timeout--;
- }
-
- if (!timeout) {
- DEBUGOUT("Driver can't access resource, SW_FW_SYNC timeout.\n");
- return IXGBE_ERR_SWFW_SYNC;
+ if (!(gssr & (fwmask | swmask))) {
+ gssr |= swmask;
+ IXGBE_WRITE_REG(hw, IXGBE_GSSR, gssr);
+ ixgbe_release_eeprom_semaphore(hw);
+ return IXGBE_SUCCESS;
+ } else {
+ /* Resource is currently in use by FW or SW */
+ ixgbe_release_eeprom_semaphore(hw);
+ msec_delay(5);
+ }
}
- gssr |= swmask;
- IXGBE_WRITE_REG(hw, IXGBE_GSSR, gssr);
+ /* If time expired clear the bits holding the lock and retry */
+ if (gssr & (fwmask | swmask))
+ ixgbe_release_swfw_sync(hw, gssr & (fwmask | swmask));
- ixgbe_release_eeprom_semaphore(hw);
- return IXGBE_SUCCESS;
+ msec_delay(5);
+ return IXGBE_ERR_SWFW_SYNC;
}
/**
* Releases the SWFW semaphore through the GSSR register for the specified
* function (CSR, PHY0, PHY1, EEPROM, Flash)
**/
-void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u16 mask)
+void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u32 mask)
{
u32 gssr;
u32 swmask = mask;
gssr &= ~swmask;
IXGBE_WRITE_REG(hw, IXGBE_GSSR, gssr);
- ixgbe_release_eeprom_semaphore(hw);
+ ixgbe_release_eeprom_semaphore(hw);
+}
+
+/**
+ * ixgbe_disable_sec_rx_path_generic - Stops the receive data path
+ * @hw: pointer to hardware structure
+ *
+ * Stops the receive data path and waits for the HW to internally empty
+ * the Rx security block
+ **/
+s32 ixgbe_disable_sec_rx_path_generic(struct ixgbe_hw *hw)
+{
+#define IXGBE_MAX_SECRX_POLL 40
+
+ int i;
+ int secrxreg;
+
+ DEBUGFUNC("ixgbe_disable_sec_rx_path_generic");
+
+
+ secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
+ secrxreg |= IXGBE_SECRXCTRL_RX_DIS;
+ IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg);
+ for (i = 0; i < IXGBE_MAX_SECRX_POLL; i++) {
+ secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT);
+ if (secrxreg & IXGBE_SECRXSTAT_SECRX_RDY)
+ break;
+ else
+ /* Use interrupt-safe sleep just in case */
+ usec_delay(1000);
+ }
+
+ /* For informational purposes only */
+ if (i >= IXGBE_MAX_SECRX_POLL)
+ DEBUGOUT("Rx unit being enabled before security "
+ "path fully disabled. Continuing with init.\n");
+
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * prot_autoc_read_generic - Hides MAC differences needed for AUTOC read
+ * @hw: pointer to hardware structure
+ * @reg_val: Value we read from AUTOC
+ *
+ * The default case requires no protection so just to the register read.
+ */
+s32 prot_autoc_read_generic(struct ixgbe_hw *hw, bool *locked, u32 *reg_val)
+{
+ *locked = false;
+ *reg_val = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * prot_autoc_write_generic - Hides MAC differences needed for AUTOC write
+ * @hw: pointer to hardware structure
+ * @reg_val: value to write to AUTOC
+ * @locked: bool to indicate whether the SW/FW lock was already taken by
+ * previous read.
+ *
+ * The default case requires no protection so just to the register write.
+ */
+s32 prot_autoc_write_generic(struct ixgbe_hw *hw, u32 reg_val, bool locked)
+{
+ UNREFERENCED_1PARAMETER(locked);
+
+ IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_val);
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_enable_sec_rx_path_generic - Enables the receive data path
+ * @hw: pointer to hardware structure
+ *
+ * Enables the receive data path.
+ **/
+s32 ixgbe_enable_sec_rx_path_generic(struct ixgbe_hw *hw)
+{
+ int secrxreg;
+
+ DEBUGFUNC("ixgbe_enable_sec_rx_path_generic");
+
+ secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
+ secrxreg &= ~IXGBE_SECRXCTRL_RX_DIS;
+ IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg);
+ IXGBE_WRITE_FLUSH(hw);
+
+ return IXGBE_SUCCESS;
}
/**
{
DEBUGFUNC("ixgbe_enable_rx_dma_generic");
- IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, regval);
+ if (regval & IXGBE_RXCTRL_RXEN)
+ ixgbe_enable_rx(hw);
+ else
+ ixgbe_disable_rx(hw);
return IXGBE_SUCCESS;
}
{
ixgbe_link_speed speed = 0;
bool link_up = 0;
- u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+ u32 autoc_reg = 0;
u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+ s32 ret_val = IXGBE_SUCCESS;
+ bool locked = false;
DEBUGFUNC("ixgbe_blink_led_start_generic");
hw->mac.ops.check_link(hw, &speed, &link_up, false);
if (!link_up) {
+ ret_val = hw->mac.ops.prot_autoc_read(hw, &locked, &autoc_reg);
+ if (ret_val != IXGBE_SUCCESS)
+ goto out;
+
autoc_reg |= IXGBE_AUTOC_AN_RESTART;
autoc_reg |= IXGBE_AUTOC_FLU;
- IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
+
+ ret_val = hw->mac.ops.prot_autoc_write(hw, autoc_reg, locked);
+ if (ret_val != IXGBE_SUCCESS)
+ goto out;
+
IXGBE_WRITE_FLUSH(hw);
msec_delay(10);
}
IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
IXGBE_WRITE_FLUSH(hw);
- return IXGBE_SUCCESS;
+out:
+ return ret_val;
}
/**
**/
s32 ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index)
{
- u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+ u32 autoc_reg = 0;
u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+ s32 ret_val = IXGBE_SUCCESS;
+ bool locked = false;
DEBUGFUNC("ixgbe_blink_led_stop_generic");
+ ret_val = hw->mac.ops.prot_autoc_read(hw, &locked, &autoc_reg);
+ if (ret_val != IXGBE_SUCCESS)
+ goto out;
autoc_reg &= ~IXGBE_AUTOC_FLU;
autoc_reg |= IXGBE_AUTOC_AN_RESTART;
- IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
+
+ ret_val = hw->mac.ops.prot_autoc_write(hw, autoc_reg, locked);
+ if (ret_val != IXGBE_SUCCESS)
+ goto out;
led_reg &= ~IXGBE_LED_MODE_MASK(index);
led_reg &= ~IXGBE_LED_BLINK(index);
IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
IXGBE_WRITE_FLUSH(hw);
- return IXGBE_SUCCESS;
+out:
+ return ret_val;
}
/**
* pointer, and returns the value at that location. This is used in both
* get and set mac_addr routines.
**/
-static s32 ixgbe_get_san_mac_addr_offset(struct ixgbe_hw *hw,
- u16 *san_mac_offset)
+STATIC s32 ixgbe_get_san_mac_addr_offset(struct ixgbe_hw *hw,
+ u16 *san_mac_offset)
{
+ s32 ret_val;
+
DEBUGFUNC("ixgbe_get_san_mac_addr_offset");
/*
* First read the EEPROM pointer to see if the MAC addresses are
* available.
*/
- hw->eeprom.ops.read(hw, IXGBE_SAN_MAC_ADDR_PTR, san_mac_offset);
+ ret_val = hw->eeprom.ops.read(hw, IXGBE_SAN_MAC_ADDR_PTR,
+ san_mac_offset);
+ if (ret_val) {
+ ERROR_REPORT2(IXGBE_ERROR_INVALID_STATE,
+ "eeprom at offset %d failed",
+ IXGBE_SAN_MAC_ADDR_PTR);
+ }
- return IXGBE_SUCCESS;
+ return ret_val;
}
/**
{
u16 san_mac_data, san_mac_offset;
u8 i;
+ s32 ret_val;
DEBUGFUNC("ixgbe_get_san_mac_addr_generic");
* First read the EEPROM pointer to see if the MAC addresses are
* available. If they're not, no point in calling set_lan_id() here.
*/
- ixgbe_get_san_mac_addr_offset(hw, &san_mac_offset);
-
- if ((san_mac_offset == 0) || (san_mac_offset == 0xFFFF)) {
- /*
- * No addresses available in this EEPROM. It's not an
- * error though, so just wipe the local address and return.
- */
- for (i = 0; i < 6; i++)
- san_mac_addr[i] = 0xFF;
-
+ ret_val = ixgbe_get_san_mac_addr_offset(hw, &san_mac_offset);
+ if (ret_val || san_mac_offset == 0 || san_mac_offset == 0xFFFF)
goto san_mac_addr_out;
- }
/* make sure we know which port we need to program */
hw->mac.ops.set_lan_id(hw);
/* apply the port offset to the address offset */
(hw->bus.func) ? (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT1_OFFSET) :
- (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT0_OFFSET);
+ (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT0_OFFSET);
for (i = 0; i < 3; i++) {
- hw->eeprom.ops.read(hw, san_mac_offset, &san_mac_data);
+ ret_val = hw->eeprom.ops.read(hw, san_mac_offset,
+ &san_mac_data);
+ if (ret_val) {
+ ERROR_REPORT2(IXGBE_ERROR_INVALID_STATE,
+ "eeprom read at offset %d failed",
+ san_mac_offset);
+ goto san_mac_addr_out;
+ }
san_mac_addr[i * 2] = (u8)(san_mac_data);
san_mac_addr[i * 2 + 1] = (u8)(san_mac_data >> 8);
san_mac_offset++;
}
+ return IXGBE_SUCCESS;
san_mac_addr_out:
+ /*
+ * No addresses available in this EEPROM. It's not an
+ * error though, so just wipe the local address and return.
+ */
+ for (i = 0; i < 6; i++)
+ san_mac_addr[i] = 0xFF;
return IXGBE_SUCCESS;
}
**/
s32 ixgbe_set_san_mac_addr_generic(struct ixgbe_hw *hw, u8 *san_mac_addr)
{
- s32 status = IXGBE_SUCCESS;
+ s32 ret_val;
u16 san_mac_data, san_mac_offset;
u8 i;
DEBUGFUNC("ixgbe_set_san_mac_addr_generic");
/* Look for SAN mac address pointer. If not defined, return */
- ixgbe_get_san_mac_addr_offset(hw, &san_mac_offset);
-
- if ((san_mac_offset == 0) || (san_mac_offset == 0xFFFF)) {
- status = IXGBE_ERR_NO_SAN_ADDR_PTR;
- goto san_mac_addr_out;
- }
+ ret_val = ixgbe_get_san_mac_addr_offset(hw, &san_mac_offset);
+ if (ret_val || san_mac_offset == 0 || san_mac_offset == 0xFFFF)
+ return IXGBE_ERR_NO_SAN_ADDR_PTR;
/* Make sure we know which port we need to write */
hw->mac.ops.set_lan_id(hw);
/* Apply the port offset to the address offset */
(hw->bus.func) ? (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT1_OFFSET) :
- (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT0_OFFSET);
+ (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT0_OFFSET);
for (i = 0; i < 3; i++) {
san_mac_data = (u16)((u16)(san_mac_addr[i * 2 + 1]) << 8);
san_mac_offset++;
}
-san_mac_addr_out:
- return status;
+ return IXGBE_SUCCESS;
}
/**
* Read PCIe configuration space, and get the MSI-X vector count from
* the capabilities table.
**/
-u32 ixgbe_get_pcie_msix_count_generic(struct ixgbe_hw *hw)
+u16 ixgbe_get_pcie_msix_count_generic(struct ixgbe_hw *hw)
{
- u32 msix_count = 64;
+ u16 msix_count = 1;
+ u16 max_msix_count;
+ u16 pcie_offset;
+
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ pcie_offset = IXGBE_PCIE_MSIX_82598_CAPS;
+ max_msix_count = IXGBE_MAX_MSIX_VECTORS_82598;
+ break;
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ case ixgbe_mac_X550:
+ case ixgbe_mac_X550EM_x:
+ pcie_offset = IXGBE_PCIE_MSIX_82599_CAPS;
+ max_msix_count = IXGBE_MAX_MSIX_VECTORS_82599;
+ break;
+ default:
+ return msix_count;
+ }
DEBUGFUNC("ixgbe_get_pcie_msix_count_generic");
- if (hw->mac.msix_vectors_from_pcie) {
- msix_count = IXGBE_READ_PCIE_WORD(hw,
- IXGBE_PCIE_MSIX_82599_CAPS);
- msix_count &= IXGBE_PCIE_MSIX_TBL_SZ_MASK;
+ msix_count = IXGBE_READ_PCIE_WORD(hw, pcie_offset);
+ if (IXGBE_REMOVED(hw->hw_addr))
+ msix_count = 0;
+ msix_count &= IXGBE_PCIE_MSIX_TBL_SZ_MASK;
- /* MSI-X count is zero-based in HW, so increment to give
- * proper value */
- msix_count++;
- }
+ /* MSI-X count is zero-based in HW */
+ msix_count++;
+
+ if (msix_count > max_msix_count)
+ msix_count = max_msix_count;
return msix_count;
}
/* Make sure we are using a valid rar index range */
if (rar >= rar_entries) {
- DEBUGOUT1("RAR index %d is out of range.\n", rar);
+ ERROR_REPORT2(IXGBE_ERROR_ARGUMENT,
+ "RAR index %d is out of range.\n", rar);
return IXGBE_ERR_INVALID_ARGUMENT;
}
mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
mpsar_hi = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
+ if (IXGBE_REMOVED(hw->hw_addr))
+ goto done;
+
if (!mpsar_lo && !mpsar_hi)
goto done;
/* Make sure we are using a valid rar index range */
if (rar >= rar_entries) {
- DEBUGOUT1("RAR index %d is out of range.\n", rar);
+ ERROR_REPORT2(IXGBE_ERROR_ARGUMENT,
+ "RAR index %d is out of range.\n", rar);
return IXGBE_ERR_INVALID_ARGUMENT;
}
return IXGBE_SUCCESS;
}
+/**
+ * This function should only be involved in the IOV mode.
+ * In IOV mode, Default pool is next pool after the number of
+ * VFs advertized and not 0.
+ * MPSAR table needs to be updated for SAN_MAC RAR [hw->mac.san_mac_rar_index]
+ *
+ * ixgbe_set_vmdq_san_mac - Associate default VMDq pool index with a rx address
+ * @hw: pointer to hardware struct
+ * @vmdq: VMDq pool index
+ **/
+s32 ixgbe_set_vmdq_san_mac_generic(struct ixgbe_hw *hw, u32 vmdq)
+{
+ u32 rar = hw->mac.san_mac_rar_index;
+
+ DEBUGFUNC("ixgbe_set_vmdq_san_mac");
+
+ if (vmdq < 32) {
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 1 << vmdq);
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 0);
+ } else {
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 1 << (vmdq - 32));
+ }
+
+ return IXGBE_SUCCESS;
+}
+
/**
* ixgbe_init_uta_tables_generic - Initialize the Unicast Table Array
* @hw: pointer to hardware structure
if (first_empty_slot)
regindex = first_empty_slot;
else {
- DEBUGOUT("No space in VLVF.\n");
+ ERROR_REPORT1(IXGBE_ERROR_SOFTWARE,
+ "No space in VLVF.\n");
regindex = IXGBE_ERR_NO_SPACE;
}
}
* Turn on/off specified VLAN in the VLAN filter table.
**/
s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind,
- bool vlan_on)
+ bool vlan_on)
{
s32 regindex;
u32 bitindex;
u32 vfta;
- u32 bits;
- u32 vt;
u32 targetbit;
- bool vfta_changed = FALSE;
+ s32 ret_val = IXGBE_SUCCESS;
+ bool vfta_changed = false;
DEBUGFUNC("ixgbe_set_vfta_generic");
if (vlan_on) {
if (!(vfta & targetbit)) {
vfta |= targetbit;
- vfta_changed = TRUE;
+ vfta_changed = true;
}
} else {
if ((vfta & targetbit)) {
vfta &= ~targetbit;
- vfta_changed = TRUE;
+ vfta_changed = true;
}
}
/* Part 2
- * If VT Mode is set
+ * Call ixgbe_set_vlvf_generic to set VLVFB and VLVF
+ */
+ ret_val = ixgbe_set_vlvf_generic(hw, vlan, vind, vlan_on,
+ &vfta_changed);
+ if (ret_val != IXGBE_SUCCESS)
+ return ret_val;
+
+ if (vfta_changed)
+ IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), vfta);
+
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_set_vlvf_generic - Set VLAN Pool Filter
+ * @hw: pointer to hardware structure
+ * @vlan: VLAN id to write to VLAN filter
+ * @vind: VMDq output index that maps queue to VLAN id in VFVFB
+ * @vlan_on: boolean flag to turn on/off VLAN in VFVF
+ * @vfta_changed: pointer to boolean flag which indicates whether VFTA
+ * should be changed
+ *
+ * Turn on/off specified bit in VLVF table.
+ **/
+s32 ixgbe_set_vlvf_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind,
+ bool vlan_on, bool *vfta_changed)
+{
+ u32 vt;
+
+ DEBUGFUNC("ixgbe_set_vlvf_generic");
+
+ if (vlan > 4095)
+ return IXGBE_ERR_PARAM;
+
+ /* If VT Mode is set
* Either vlan_on
* make sure the vlan is in VLVF
* set the vind bit in the matching VLVFB
vt = IXGBE_READ_REG(hw, IXGBE_VT_CTL);
if (vt & IXGBE_VT_CTL_VT_ENABLE) {
s32 vlvf_index;
+ u32 bits;
vlvf_index = ixgbe_find_vlvf_slot(hw, vlan);
if (vlvf_index < 0)
bits |= (1 << (vind - 32));
IXGBE_WRITE_REG(hw,
IXGBE_VLVFB((vlvf_index * 2) + 1),
- bits);
+ bits);
}
} else {
/* clear the pool bit */
bits &= ~(1 << (vind - 32));
IXGBE_WRITE_REG(hw,
IXGBE_VLVFB((vlvf_index * 2) + 1),
- bits);
+ bits);
bits |= IXGBE_READ_REG(hw,
IXGBE_VLVFB(vlvf_index * 2));
}
if (bits) {
IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index),
(IXGBE_VLVF_VIEN | vlan));
- if (!vlan_on) {
+ if ((!vlan_on) && (vfta_changed != NULL)) {
/* someone wants to clear the vfta entry
* but some pools/VFs are still using it.
* Ignore it. */
- vfta_changed = FALSE;
+ *vfta_changed = false;
}
- }
- else
+ } else
IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index), 0);
}
- if (vfta_changed)
- IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), vfta);
-
return IXGBE_SUCCESS;
}
* Reads the links register to determine if link is up and the current speed
**/
s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
- bool *link_up, bool link_up_wait_to_complete)
+ bool *link_up, bool link_up_wait_to_complete)
{
u32 links_reg, links_orig;
u32 i;
if (links_orig != links_reg) {
DEBUGOUT2("LINKS changed from %08X to %08X\n",
- links_orig, links_reg);
+ links_orig, links_reg);
}
if (link_up_wait_to_complete) {
*link_up = false;
}
- if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
- IXGBE_LINKS_SPEED_10G_82599)
+ switch (links_reg & IXGBE_LINKS_SPEED_82599) {
+ case IXGBE_LINKS_SPEED_10G_82599:
*speed = IXGBE_LINK_SPEED_10GB_FULL;
- else if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
- IXGBE_LINKS_SPEED_1G_82599)
+ if (hw->mac.type >= ixgbe_mac_X550) {
+ if (links_reg & IXGBE_LINKS_SPEED_NON_STD)
+ *speed = IXGBE_LINK_SPEED_2_5GB_FULL;
+ }
+ break;
+ case IXGBE_LINKS_SPEED_1G_82599:
*speed = IXGBE_LINK_SPEED_1GB_FULL;
- else if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
- IXGBE_LINKS_SPEED_100_82599)
+ break;
+ case IXGBE_LINKS_SPEED_100_82599:
*speed = IXGBE_LINK_SPEED_100_FULL;
- else
+ if (hw->mac.type >= ixgbe_mac_X550) {
+ if (links_reg & IXGBE_LINKS_SPEED_NON_STD)
+ *speed = IXGBE_LINK_SPEED_5GB_FULL;
+ }
+ break;
+ default:
*speed = IXGBE_LINK_SPEED_UNKNOWN;
-
- /* if link is down, zero out the current_mode */
- if (*link_up == FALSE) {
- hw->fc.current_mode = ixgbe_fc_none;
- hw->fc.fc_was_autonegged = FALSE;
}
return IXGBE_SUCCESS;
* block to check the support for the alternative WWNN/WWPN prefix support.
**/
s32 ixgbe_get_wwn_prefix_generic(struct ixgbe_hw *hw, u16 *wwnn_prefix,
- u16 *wwpn_prefix)
+ u16 *wwpn_prefix)
{
u16 offset, caps;
u16 alt_san_mac_blk_offset;
*wwpn_prefix = 0xFFFF;
/* check if alternative SAN MAC is supported */
- hw->eeprom.ops.read(hw, IXGBE_ALT_SAN_MAC_ADDR_BLK_PTR,
- &alt_san_mac_blk_offset);
+ offset = IXGBE_ALT_SAN_MAC_ADDR_BLK_PTR;
+ if (hw->eeprom.ops.read(hw, offset, &alt_san_mac_blk_offset))
+ goto wwn_prefix_err;
if ((alt_san_mac_blk_offset == 0) ||
(alt_san_mac_blk_offset == 0xFFFF))
/* check capability in alternative san mac address block */
offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_CAPS_OFFSET;
- hw->eeprom.ops.read(hw, offset, &caps);
+ if (hw->eeprom.ops.read(hw, offset, &caps))
+ goto wwn_prefix_err;
if (!(caps & IXGBE_ALT_SAN_MAC_ADDR_CAPS_ALTWWN))
goto wwn_prefix_out;
/* get the corresponding prefix for WWNN/WWPN */
offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWNN_OFFSET;
- hw->eeprom.ops.read(hw, offset, wwnn_prefix);
+ if (hw->eeprom.ops.read(hw, offset, wwnn_prefix)) {
+ ERROR_REPORT2(IXGBE_ERROR_INVALID_STATE,
+ "eeprom read at offset %d failed", offset);
+ }
offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWPN_OFFSET;
- hw->eeprom.ops.read(hw, offset, wwpn_prefix);
+ if (hw->eeprom.ops.read(hw, offset, wwpn_prefix))
+ goto wwn_prefix_err;
wwn_prefix_out:
return IXGBE_SUCCESS;
+
+wwn_prefix_err:
+ ERROR_REPORT2(IXGBE_ERROR_INVALID_STATE,
+ "eeprom read at offset %d failed", offset);
+ return IXGBE_SUCCESS;
}
/**
return status;
}
-/**
- * ixgbe_device_supports_autoneg_fc - Check if phy supports autoneg flow
- * control
- * @hw: pointer to hardware structure
- *
- * There are several phys that do not support autoneg flow control. This
- * function check the device id to see if the associated phy supports
- * autoneg flow control.
- **/
-static s32 ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
-{
-
- DEBUGFUNC("ixgbe_device_supports_autoneg_fc");
-
- switch (hw->device_id) {
- case IXGBE_DEV_ID_X540T:
- return IXGBE_SUCCESS;
- case IXGBE_DEV_ID_82599_T3_LOM:
- return IXGBE_SUCCESS;
- default:
- return IXGBE_ERR_FC_NOT_SUPPORTED;
- }
-}
-
/**
* ixgbe_set_mac_anti_spoofing - Enable/Disable MAC anti-spoofing
* @hw: pointer to hardware structure
* PFVFSPOOF register array is size 8 with 8 bits assigned to
* MAC anti-spoof enables in each register array element.
*/
- for (j = 0; j < IXGBE_PFVFSPOOF_REG_COUNT; j++)
+ for (j = 0; j < pf_target_reg; j++)
IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(j), pfvfspoof);
- /* If not enabling anti-spoofing then done */
- if (!enable)
- return;
-
/*
* The PF should be allowed to spoof so that it can support
- * emulation mode NICs. Reset the bit assigned to the PF
+ * emulation mode NICs. Do not set the bits assigned to the PF
+ */
+ pfvfspoof &= (1 << pf_target_shift) - 1;
+ IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(j), pfvfspoof);
+
+ /*
+ * Remaining pools belong to the PF so they do not need to have
+ * anti-spoofing enabled.
*/
- pfvfspoof = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(pf_target_reg));
- pfvfspoof ^= (1 << pf_target_shift);
- IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(pf_target_reg), pfvfspoof);
+ for (j++; j < IXGBE_PFVFSPOOF_REG_COUNT; j++)
+ IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(j), 0);
}
/**
* ixgbe_set_vlan_anti_spoofing - Enable/Disable VLAN anti-spoofing
* @hw: pointer to hardware structure
* @enable: enable or disable switch for VLAN anti-spoofing
- * @pf: Virtual Function pool - VF Pool to set for VLAN anti-spoofing
+ * @vf: Virtual Function pool - VF Pool to set for VLAN anti-spoofing
*
**/
void ixgbe_set_vlan_anti_spoofing(struct ixgbe_hw *hw, bool enable, int vf)
/* Enable relaxed ordering */
for (i = 0; i < hw->mac.max_tx_queues; i++) {
regval = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(i));
- regval |= IXGBE_DCA_TXCTRL_TX_WB_RO_EN;
+ regval |= IXGBE_DCA_TXCTRL_DESC_WRO_EN;
IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(i), regval);
}
for (i = 0; i < hw->mac.max_rx_queues; i++) {
regval = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
- regval |= (IXGBE_DCA_RXCTRL_DESC_WRO_EN |
- IXGBE_DCA_RXCTRL_DESC_HSRO_EN);
+ regval |= IXGBE_DCA_RXCTRL_DATA_WRO_EN |
+ IXGBE_DCA_RXCTRL_HEAD_WRO_EN;
IXGBE_WRITE_REG(hw, IXGBE_DCA_RXCTRL(i), regval);
}
* Calculates the checksum for some buffer on a specified length. The
* checksum calculated is returned.
**/
-static u8 ixgbe_calculate_checksum(u8 *buffer, u32 length)
+u8 ixgbe_calculate_checksum(u8 *buffer, u32 length)
{
u32 i;
u8 sum = 0;
* ixgbe_host_interface_command - Issue command to manageability block
* @hw: pointer to the HW structure
* @buffer: contains the command to write and where the return status will
- * be placed
+ * be placed
* @length: length of buffer, must be multiple of 4 bytes
+ * @return_data: read and return data from the buffer (true) or not (false)
+ * Needed because FW structures are big endian and decoding of
+ * these fields can be 8 bit or 16 bit based on command. Decoding
+ * is not easily understood without making a table of commands.
+ * So we will leave this up to the caller to read back the data
+ * in these cases.
*
* Communicates with the manageability block. On success return IXGBE_SUCCESS
* else return IXGBE_ERR_HOST_INTERFACE_COMMAND.
**/
-static s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u8 *buffer,
- u32 length)
+s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u32 *buffer,
+ u32 length, bool return_data)
{
- u32 hicr, i;
+ u32 hicr, i, bi, fwsts;
u32 hdr_size = sizeof(struct ixgbe_hic_hdr);
- u8 buf_len, dword_len;
-
- s32 ret_val = IXGBE_SUCCESS;
+ u16 buf_len;
+ u8 dword_len;
DEBUGFUNC("ixgbe_host_interface_command");
- if (length == 0 || length & 0x3 ||
- length > IXGBE_HI_MAX_BLOCK_BYTE_LENGTH) {
- DEBUGOUT("Buffer length failure.\n");
- ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
- goto out;
+ if (length == 0 || length > IXGBE_HI_MAX_BLOCK_BYTE_LENGTH) {
+ DEBUGOUT1("Buffer length failure buffersize=%d.\n", length);
+ return IXGBE_ERR_HOST_INTERFACE_COMMAND;
}
+ /* Set bit 9 of FWSTS clearing FW reset indication */
+ fwsts = IXGBE_READ_REG(hw, IXGBE_FWSTS);
+ IXGBE_WRITE_REG(hw, IXGBE_FWSTS, fwsts | IXGBE_FWSTS_FWRI);
/* Check that the host interface is enabled. */
hicr = IXGBE_READ_REG(hw, IXGBE_HICR);
if ((hicr & IXGBE_HICR_EN) == 0) {
DEBUGOUT("IXGBE_HOST_EN bit disabled.\n");
- ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
- goto out;
+ return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ }
+
+ /* Calculate length in DWORDs. We must be DWORD aligned */
+ if ((length % (sizeof(u32))) != 0) {
+ DEBUGOUT("Buffer length failure, not aligned to dword");
+ return IXGBE_ERR_INVALID_ARGUMENT;
}
- /* Calculate length in DWORDs */
dword_len = length >> 2;
- /*
- * The device driver writes the relevant command block
+ /* The device driver writes the relevant command block
* into the ram area.
*/
for (i = 0; i < dword_len; i++)
IXGBE_WRITE_REG_ARRAY(hw, IXGBE_FLEX_MNG,
- i, *((u32 *)buffer + i));
+ i, IXGBE_CPU_TO_LE32(buffer[i]));
/* Setting this bit tells the ARC that a new command is pending. */
IXGBE_WRITE_REG(hw, IXGBE_HICR, hicr | IXGBE_HICR_C);
msec_delay(1);
}
- /* Check command successful completion. */
+ /* Check command completion */
if (i == IXGBE_HI_COMMAND_TIMEOUT ||
- (!(IXGBE_READ_REG(hw, IXGBE_HICR) & IXGBE_HICR_SV))) {
- DEBUGOUT("Command has failed with no status valid.\n");
- ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
- goto out;
+ !(IXGBE_READ_REG(hw, IXGBE_HICR) & IXGBE_HICR_SV)) {
+ ERROR_REPORT1(IXGBE_ERROR_CAUTION,
+ "Command has failed with no status valid.\n");
+ return IXGBE_ERR_HOST_INTERFACE_COMMAND;
}
+ if (!return_data)
+ return 0;
+
/* Calculate length in DWORDs */
dword_len = hdr_size >> 2;
/* first pull in the header so we know the buffer length */
- for (i = 0; i < dword_len; i++)
- *((u32 *)buffer + i) =
- IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, i);
+ for (bi = 0; bi < dword_len; bi++) {
+ buffer[bi] = IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, bi);
+ IXGBE_LE32_TO_CPUS(&buffer[bi]);
+ }
/* If there is any thing in data position pull it in */
buf_len = ((struct ixgbe_hic_hdr *)buffer)->buf_len;
if (buf_len == 0)
- goto out;
+ return 0;
- if (length < (buf_len + hdr_size)) {
+ if (length < buf_len + hdr_size) {
DEBUGOUT("Buffer not large enough for reply message.\n");
- ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
- goto out;
+ return IXGBE_ERR_HOST_INTERFACE_COMMAND;
}
- /* Calculate length in DWORDs, add one for odd lengths */
- dword_len = (buf_len + 1) >> 2;
+ /* Calculate length in DWORDs, add 3 for odd lengths */
+ dword_len = (buf_len + 3) >> 2;
- /* Pull in the rest of the buffer (i is where we left off)*/
- for (; i < buf_len; i++)
- *((u32 *)buffer + i) =
- IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, i);
+ /* Pull in the rest of the buffer (bi is where we left off) */
+ for (; bi <= dword_len; bi++) {
+ buffer[bi] = IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, bi);
+ IXGBE_LE32_TO_CPUS(&buffer[bi]);
+ }
-out:
- return ret_val;
+ return 0;
}
/**
fw_cmd.pad2 = 0;
for (i = 0; i <= FW_CEM_MAX_RETRIES; i++) {
- ret_val = ixgbe_host_interface_command(hw, (u8 *)&fw_cmd,
- sizeof(fw_cmd));
+ ret_val = ixgbe_host_interface_command(hw, (u32 *)&fw_cmd,
+ sizeof(fw_cmd), true);
if (ret_val != IXGBE_SUCCESS)
continue;
* @strategy: packet buffer allocation strategy
**/
void ixgbe_set_rxpba_generic(struct ixgbe_hw *hw, int num_pb, u32 headroom,
- int strategy)
+ int strategy)
{
u32 pbsize = hw->mac.rx_pb_size;
int i = 0;
* buffers requested using supplied strategy.
*/
switch (strategy) {
- case (PBA_STRATEGY_WEIGHTED):
- /* pba_80_48 strategy weight first half of packet buffer with
- * 5/8 of the packet buffer space.
+ case PBA_STRATEGY_WEIGHTED:
+ /* ixgbe_dcb_pba_80_48 strategy weight first half of packet
+ * buffer with 5/8 of the packet buffer space.
*/
- rxpktsize = (pbsize * 5 * 2) / (num_pb * 8);
+ rxpktsize = (pbsize * 5) / (num_pb * 4);
pbsize -= rxpktsize * (num_pb / 2);
rxpktsize <<= IXGBE_RXPBSIZE_SHIFT;
for (; i < (num_pb / 2); i++)
IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
/* Fall through to configure remaining packet buffers */
- case (PBA_STRATEGY_EQUAL):
+ case PBA_STRATEGY_EQUAL:
rxpktsize = (pbsize / (num_pb - i)) << IXGBE_RXPBSIZE_SHIFT;
for (; i < num_pb; i++)
IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
**/
void ixgbe_clear_tx_pending(struct ixgbe_hw *hw)
{
- u32 gcr_ext, hlreg0;
+ u32 gcr_ext, hlreg0, i, poll;
+ u16 value;
/*
* If double reset is not requested then all transactions should
hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0 | IXGBE_HLREG0_LPBK);
+ /* Wait for a last completion before clearing buffers */
+ IXGBE_WRITE_FLUSH(hw);
+ msec_delay(3);
+
+ /*
+ * Before proceeding, make sure that the PCIe block does not have
+ * transactions pending.
+ */
+ poll = ixgbe_pcie_timeout_poll(hw);
+ for (i = 0; i < poll; i++) {
+ usec_delay(100);
+ value = IXGBE_READ_PCIE_WORD(hw, IXGBE_PCI_DEVICE_STATUS);
+ if (IXGBE_REMOVED(hw->hw_addr))
+ goto out;
+ if (!(value & IXGBE_PCI_DEVICE_STATUS_TRANSACTION_PENDING))
+ goto out;
+ }
+
+out:
/* initiate cleaning flow for buffers in the PCIe transaction layer */
gcr_ext = IXGBE_READ_REG(hw, IXGBE_GCR_EXT);
IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT,
- gcr_ext | IXGBE_GCR_EXT_BUFFERS_CLEAR);
+ gcr_ext | IXGBE_GCR_EXT_BUFFERS_CLEAR);
/* Flush all writes and allow 20usec for all transactions to clear */
IXGBE_WRITE_FLUSH(hw);
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
}
+STATIC const u8 ixgbe_emc_temp_data[4] = {
+ IXGBE_EMC_INTERNAL_DATA,
+ IXGBE_EMC_DIODE1_DATA,
+ IXGBE_EMC_DIODE2_DATA,
+ IXGBE_EMC_DIODE3_DATA
+};
+STATIC const u8 ixgbe_emc_therm_limit[4] = {
+ IXGBE_EMC_INTERNAL_THERM_LIMIT,
+ IXGBE_EMC_DIODE1_THERM_LIMIT,
+ IXGBE_EMC_DIODE2_THERM_LIMIT,
+ IXGBE_EMC_DIODE3_THERM_LIMIT
+};
+
+/**
+ * ixgbe_get_thermal_sensor_data - Gathers thermal sensor data
+ * @hw: pointer to hardware structure
+ * @data: pointer to the thermal sensor data structure
+ *
+ * Returns the thermal sensor data structure
+ **/
+s32 ixgbe_get_thermal_sensor_data_generic(struct ixgbe_hw *hw)
+{
+ s32 status = IXGBE_SUCCESS;
+ u16 ets_offset;
+ u16 ets_cfg;
+ u16 ets_sensor;
+ u8 num_sensors;
+ u8 sensor_index;
+ u8 sensor_location;
+ u8 i;
+ struct ixgbe_thermal_sensor_data *data = &hw->mac.thermal_sensor_data;
+
+ DEBUGFUNC("ixgbe_get_thermal_sensor_data_generic");
+
+ /* Only support thermal sensors attached to 82599 physical port 0 */
+ if ((hw->mac.type != ixgbe_mac_82599EB) ||
+ (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1)) {
+ status = IXGBE_NOT_IMPLEMENTED;
+ goto out;
+ }
+
+ status = hw->eeprom.ops.read(hw, IXGBE_ETS_CFG, &ets_offset);
+ if (status)
+ goto out;
+
+ if ((ets_offset == 0x0000) || (ets_offset == 0xFFFF)) {
+ status = IXGBE_NOT_IMPLEMENTED;
+ goto out;
+ }
+
+ status = hw->eeprom.ops.read(hw, ets_offset, &ets_cfg);
+ if (status)
+ goto out;
+
+ if (((ets_cfg & IXGBE_ETS_TYPE_MASK) >> IXGBE_ETS_TYPE_SHIFT)
+ != IXGBE_ETS_TYPE_EMC) {
+ status = IXGBE_NOT_IMPLEMENTED;
+ goto out;
+ }
+
+ num_sensors = (ets_cfg & IXGBE_ETS_NUM_SENSORS_MASK);
+ if (num_sensors > IXGBE_MAX_SENSORS)
+ num_sensors = IXGBE_MAX_SENSORS;
+
+ for (i = 0; i < num_sensors; i++) {
+ status = hw->eeprom.ops.read(hw, (ets_offset + 1 + i),
+ &ets_sensor);
+ if (status)
+ goto out;
+
+ sensor_index = ((ets_sensor & IXGBE_ETS_DATA_INDEX_MASK) >>
+ IXGBE_ETS_DATA_INDEX_SHIFT);
+ sensor_location = ((ets_sensor & IXGBE_ETS_DATA_LOC_MASK) >>
+ IXGBE_ETS_DATA_LOC_SHIFT);
+
+ if (sensor_location != 0) {
+ status = hw->phy.ops.read_i2c_byte(hw,
+ ixgbe_emc_temp_data[sensor_index],
+ IXGBE_I2C_THERMAL_SENSOR_ADDR,
+ &data->sensor[i].temp);
+ if (status)
+ goto out;
+ }
+ }
+out:
+ return status;
+}
+
+/**
+ * ixgbe_init_thermal_sensor_thresh_generic - Inits thermal sensor thresholds
+ * @hw: pointer to hardware structure
+ *
+ * Inits the thermal sensor thresholds according to the NVM map
+ * and save off the threshold and location values into mac.thermal_sensor_data
+ **/
+s32 ixgbe_init_thermal_sensor_thresh_generic(struct ixgbe_hw *hw)
+{
+ s32 status = IXGBE_SUCCESS;
+ u16 offset;
+ u16 ets_offset;
+ u16 ets_cfg;
+ u16 ets_sensor;
+ u8 low_thresh_delta;
+ u8 num_sensors;
+ u8 sensor_index;
+ u8 sensor_location;
+ u8 therm_limit;
+ u8 i;
+ struct ixgbe_thermal_sensor_data *data = &hw->mac.thermal_sensor_data;
+
+ DEBUGFUNC("ixgbe_init_thermal_sensor_thresh_generic");
+
+ memset(data, 0, sizeof(struct ixgbe_thermal_sensor_data));
+
+ /* Only support thermal sensors attached to 82599 physical port 0 */
+ if ((hw->mac.type != ixgbe_mac_82599EB) ||
+ (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1))
+ return IXGBE_NOT_IMPLEMENTED;
+
+ offset = IXGBE_ETS_CFG;
+ if (hw->eeprom.ops.read(hw, offset, &ets_offset))
+ goto eeprom_err;
+ if ((ets_offset == 0x0000) || (ets_offset == 0xFFFF))
+ return IXGBE_NOT_IMPLEMENTED;
+
+ offset = ets_offset;
+ if (hw->eeprom.ops.read(hw, offset, &ets_cfg))
+ goto eeprom_err;
+ if (((ets_cfg & IXGBE_ETS_TYPE_MASK) >> IXGBE_ETS_TYPE_SHIFT)
+ != IXGBE_ETS_TYPE_EMC)
+ return IXGBE_NOT_IMPLEMENTED;
+
+ low_thresh_delta = ((ets_cfg & IXGBE_ETS_LTHRES_DELTA_MASK) >>
+ IXGBE_ETS_LTHRES_DELTA_SHIFT);
+ num_sensors = (ets_cfg & IXGBE_ETS_NUM_SENSORS_MASK);
+
+ for (i = 0; i < num_sensors; i++) {
+ offset = ets_offset + 1 + i;
+ if (hw->eeprom.ops.read(hw, offset, &ets_sensor)) {
+ ERROR_REPORT2(IXGBE_ERROR_INVALID_STATE,
+ "eeprom read at offset %d failed",
+ offset);
+ continue;
+ }
+ sensor_index = ((ets_sensor & IXGBE_ETS_DATA_INDEX_MASK) >>
+ IXGBE_ETS_DATA_INDEX_SHIFT);
+ sensor_location = ((ets_sensor & IXGBE_ETS_DATA_LOC_MASK) >>
+ IXGBE_ETS_DATA_LOC_SHIFT);
+ therm_limit = ets_sensor & IXGBE_ETS_DATA_HTHRESH_MASK;
+
+ hw->phy.ops.write_i2c_byte(hw,
+ ixgbe_emc_therm_limit[sensor_index],
+ IXGBE_I2C_THERMAL_SENSOR_ADDR, therm_limit);
+
+ if ((i < IXGBE_MAX_SENSORS) && (sensor_location != 0)) {
+ data->sensor[i].location = sensor_location;
+ data->sensor[i].caution_thresh = therm_limit;
+ data->sensor[i].max_op_thresh = therm_limit -
+ low_thresh_delta;
+ }
+ }
+ return status;
+
+eeprom_err:
+ ERROR_REPORT2(IXGBE_ERROR_INVALID_STATE,
+ "eeprom read at offset %d failed", offset);
+ return IXGBE_NOT_IMPLEMENTED;
+}
+
+
+/**
+ * ixgbe_dcb_get_rtrup2tc_generic - read rtrup2tc reg
+ * @hw: pointer to hardware structure
+ * @map: pointer to u8 arr for returning map
+ *
+ * Read the rtrup2tc HW register and resolve its content into map
+ **/
+void ixgbe_dcb_get_rtrup2tc_generic(struct ixgbe_hw *hw, u8 *map)
+{
+ u32 reg, i;
+
+ reg = IXGBE_READ_REG(hw, IXGBE_RTRUP2TC);
+ for (i = 0; i < IXGBE_DCB_MAX_USER_PRIORITY; i++)
+ map[i] = IXGBE_RTRUP2TC_UP_MASK &
+ (reg >> (i * IXGBE_RTRUP2TC_UP_SHIFT));
+ return;
+}
+
+void ixgbe_disable_rx_generic(struct ixgbe_hw *hw)
+{
+ u32 pfdtxgswc;
+ u32 rxctrl;
+
+ rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
+ if (rxctrl & IXGBE_RXCTRL_RXEN) {
+ if (hw->mac.type != ixgbe_mac_82598EB) {
+ pfdtxgswc = IXGBE_READ_REG(hw, IXGBE_PFDTXGSWC);
+ if (pfdtxgswc & IXGBE_PFDTXGSWC_VT_LBEN) {
+ pfdtxgswc &= ~IXGBE_PFDTXGSWC_VT_LBEN;
+ IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, pfdtxgswc);
+ hw->mac.set_lben = true;
+ } else {
+ hw->mac.set_lben = false;
+ }
+ }
+ rxctrl &= ~IXGBE_RXCTRL_RXEN;
+ IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl);
+ }
+}
+
+void ixgbe_enable_rx_generic(struct ixgbe_hw *hw)
+{
+ u32 pfdtxgswc;
+ u32 rxctrl;
+
+ rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
+ IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, (rxctrl | IXGBE_RXCTRL_RXEN));
+
+ if (hw->mac.type != ixgbe_mac_82598EB) {
+ if (hw->mac.set_lben) {
+ pfdtxgswc = IXGBE_READ_REG(hw, IXGBE_PFDTXGSWC);
+ pfdtxgswc |= IXGBE_PFDTXGSWC_VT_LBEN;
+ IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, pfdtxgswc);
+ hw->mac.set_lben = false;
+ }
+ }
+}
+
+/**
+ * ixgbe_mng_present - returns true when management capability is present
+ * @hw: pointer to hardware structure
+ */
+bool ixgbe_mng_present(struct ixgbe_hw *hw)
+{
+ u32 fwsm;
+
+ if (hw->mac.type < ixgbe_mac_82599EB)
+ return false;
+
+ fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM);
+ fwsm &= IXGBE_FWSM_MODE_MASK;
+ return fwsm == IXGBE_FWSM_FW_MODE_PT;
+}
+
+/**
+ * ixgbe_mng_enabled - Is the manageability engine enabled?
+ * @hw: pointer to hardware structure
+ *
+ * Returns true if the manageability engine is enabled.
+ **/
+bool ixgbe_mng_enabled(struct ixgbe_hw *hw)
+{
+ u32 fwsm, manc, factps;
+
+ fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM);
+ if ((fwsm & IXGBE_FWSM_MODE_MASK) != IXGBE_FWSM_FW_MODE_PT)
+ return false;
+
+ manc = IXGBE_READ_REG(hw, IXGBE_MANC);
+ if (!(manc & IXGBE_MANC_RCV_TCO_EN))
+ return false;
+
+ if (hw->mac.type <= ixgbe_mac_X540) {
+ factps = IXGBE_READ_REG(hw, IXGBE_FACTPS);
+ if (factps & IXGBE_FACTPS_MNGCG)
+ return false;
+ }
+
+ return true;
+}