#include "ixgbe_phy.h"
STATIC s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed);
-static s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *, u32 mask);
-static void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *, u32 mask);
+STATIC s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *, u32 mask);
+STATIC void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *, u32 mask);
+STATIC s32 ixgbe_read_mng_if_sel_x550em(struct ixgbe_hw *hw);
/**
* ixgbe_init_ops_X550 - Inits func ptrs and MAC type
mac->ops.dmac_config = ixgbe_dmac_config_X550;
mac->ops.dmac_config_tcs = ixgbe_dmac_config_tcs_X550;
mac->ops.dmac_update_tcs = ixgbe_dmac_update_tcs_X550;
- mac->ops.setup_eee = ixgbe_setup_eee_X550;
+ mac->ops.setup_eee = NULL;
mac->ops.set_source_address_pruning =
ixgbe_set_source_address_pruning_X550;
mac->ops.set_ethertype_anti_spoofing =
mac->ops.mdd_event = ixgbe_mdd_event_X550;
mac->ops.restore_mdd_vf = ixgbe_restore_mdd_vf_X550;
mac->ops.disable_rx = ixgbe_disable_rx_x550;
+ /* Manageability interface */
+ mac->ops.set_fw_drv_ver = ixgbe_set_fw_drv_ver_x550;
switch (hw->device_id) {
+ case IXGBE_DEV_ID_X550EM_X_1G_T:
+ hw->mac.ops.led_on = NULL;
+ hw->mac.ops.led_off = NULL;
+ break;
case IXGBE_DEV_ID_X550EM_X_10G_T:
case IXGBE_DEV_ID_X550EM_A_10G_T:
hw->mac.ops.led_on = ixgbe_led_on_t_X550em;
*/
STATIC s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
{
+ hw->mac.ops.set_lan_id(hw);
+
+ ixgbe_read_mng_if_sel_x550em(hw);
+
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_A_SFP:
- hw->phy.phy_semaphore_mask = IXGBE_GSSR_TOKEN_SM;
- if (hw->bus.lan_id)
- hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY1_SM;
- else
- hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY0_SM;
return ixgbe_identify_module_generic(hw);
case IXGBE_DEV_ID_X550EM_X_SFP:
/* set up for CS4227 usage */
- hw->phy.phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
ixgbe_setup_mux_ctl(hw);
ixgbe_check_cs4227(hw);
/* Fallthrough */
case IXGBE_DEV_ID_X550EM_X_KX4:
hw->phy.type = ixgbe_phy_x550em_kx4;
break;
+ case IXGBE_DEV_ID_X550EM_X_XFI:
+ hw->phy.type = ixgbe_phy_x550em_xfi;
+ break;
case IXGBE_DEV_ID_X550EM_X_KR:
case IXGBE_DEV_ID_X550EM_A_KR:
case IXGBE_DEV_ID_X550EM_A_KR_L:
hw->phy.type = ixgbe_phy_x550em_kr;
break;
- case IXGBE_DEV_ID_X550EM_X_1G_T:
+ case IXGBE_DEV_ID_X550EM_A_10G_T:
case IXGBE_DEV_ID_X550EM_X_10G_T:
+ return ixgbe_identify_phy_generic(hw);
+ case IXGBE_DEV_ID_X550EM_X_1G_T:
+ hw->phy.type = ixgbe_phy_ext_1g_t;
+ break;
case IXGBE_DEV_ID_X550EM_A_1G_T:
case IXGBE_DEV_ID_X550EM_A_1G_T_L:
- case IXGBE_DEV_ID_X550EM_A_10G_T:
- return ixgbe_identify_phy_generic(hw);
+ hw->phy.type = ixgbe_phy_fw;
+ if (hw->bus.lan_id)
+ hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY1_SM;
+ else
+ hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY0_SM;
+ break;
default:
break;
}
return IXGBE_SUCCESS;
}
+/**
+ * ixgbe_fw_phy_activity - Perform an activity on a PHY
+ * @hw: pointer to hardware structure
+ * @activity: activity to perform
+ * @data: Pointer to 4 32-bit words of data
+ */
+s32 ixgbe_fw_phy_activity(struct ixgbe_hw *hw, u16 activity,
+ u32 (*data)[FW_PHY_ACT_DATA_COUNT])
+{
+ union {
+ struct ixgbe_hic_phy_activity_req cmd;
+ struct ixgbe_hic_phy_activity_resp rsp;
+ } hic;
+ u16 retries = FW_PHY_ACT_RETRIES;
+ s32 rc;
+ u16 i;
+
+ do {
+ memset(&hic, 0, sizeof(hic));
+ hic.cmd.hdr.cmd = FW_PHY_ACT_REQ_CMD;
+ hic.cmd.hdr.buf_len = FW_PHY_ACT_REQ_LEN;
+ hic.cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
+ hic.cmd.port_number = hw->bus.lan_id;
+ hic.cmd.activity_id = IXGBE_CPU_TO_LE16(activity);
+ for (i = 0; i < FW_PHY_ACT_DATA_COUNT; ++i)
+ hic.cmd.data[i] = IXGBE_CPU_TO_BE32((*data)[i]);
+
+ rc = ixgbe_host_interface_command(hw, (u32 *)&hic.cmd,
+ sizeof(hic.cmd),
+ IXGBE_HI_COMMAND_TIMEOUT,
+ true);
+ if (rc != IXGBE_SUCCESS)
+ return rc;
+ if (hic.rsp.hdr.cmd_or_resp.ret_status ==
+ FW_CEM_RESP_STATUS_SUCCESS) {
+ for (i = 0; i < FW_PHY_ACT_DATA_COUNT; ++i)
+ (*data)[i] = IXGBE_BE32_TO_CPU(hic.rsp.data[i]);
+ return IXGBE_SUCCESS;
+ }
+ usec_delay(20);
+ --retries;
+ } while (retries > 0);
+
+ return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+}
+
+static const struct {
+ u16 fw_speed;
+ ixgbe_link_speed phy_speed;
+} ixgbe_fw_map[] = {
+ { FW_PHY_ACT_LINK_SPEED_10, IXGBE_LINK_SPEED_10_FULL },
+ { FW_PHY_ACT_LINK_SPEED_100, IXGBE_LINK_SPEED_100_FULL },
+ { FW_PHY_ACT_LINK_SPEED_1G, IXGBE_LINK_SPEED_1GB_FULL },
+ { FW_PHY_ACT_LINK_SPEED_2_5G, IXGBE_LINK_SPEED_2_5GB_FULL },
+ { FW_PHY_ACT_LINK_SPEED_5G, IXGBE_LINK_SPEED_5GB_FULL },
+ { FW_PHY_ACT_LINK_SPEED_10G, IXGBE_LINK_SPEED_10GB_FULL },
+};
+
+/**
+ * ixgbe_get_phy_id_fw - Get the phy ID via firmware command
+ * @hw: pointer to hardware structure
+ *
+ * Returns error code
+ */
+static s32 ixgbe_get_phy_id_fw(struct ixgbe_hw *hw)
+{
+ u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
+ u16 phy_speeds;
+ u16 phy_id_lo;
+ s32 rc;
+ u16 i;
+
+ rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_PHY_INFO, &info);
+ if (rc)
+ return rc;
+
+ hw->phy.speeds_supported = 0;
+ phy_speeds = info[0] & FW_PHY_INFO_SPEED_MASK;
+ for (i = 0; i < sizeof(ixgbe_fw_map) / sizeof(ixgbe_fw_map[0]); ++i) {
+ if (phy_speeds & ixgbe_fw_map[i].fw_speed)
+ hw->phy.speeds_supported |= ixgbe_fw_map[i].phy_speed;
+ }
+ if (!hw->phy.autoneg_advertised)
+ hw->phy.autoneg_advertised = hw->phy.speeds_supported;
+
+ hw->phy.id = info[0] & FW_PHY_INFO_ID_HI_MASK;
+ phy_id_lo = info[1] & FW_PHY_INFO_ID_LO_MASK;
+ hw->phy.id |= phy_id_lo & IXGBE_PHY_REVISION_MASK;
+ hw->phy.revision = phy_id_lo & ~IXGBE_PHY_REVISION_MASK;
+ if (!hw->phy.id || hw->phy.id == IXGBE_PHY_REVISION_MASK)
+ return IXGBE_ERR_PHY_ADDR_INVALID;
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_identify_phy_fw - Get PHY type based on firmware command
+ * @hw: pointer to hardware structure
+ *
+ * Returns error code
+ */
+static s32 ixgbe_identify_phy_fw(struct ixgbe_hw *hw)
+{
+ if (hw->bus.lan_id)
+ hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY1_SM;
+ else
+ hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY0_SM;
+
+ hw->phy.type = ixgbe_phy_fw;
+ hw->phy.ops.read_reg = NULL;
+ hw->phy.ops.write_reg = NULL;
+ return ixgbe_get_phy_id_fw(hw);
+}
+
+/**
+ * ixgbe_shutdown_fw_phy - Shutdown a firmware-controlled PHY
+ * @hw: pointer to hardware structure
+ *
+ * Returns error code
+ */
+s32 ixgbe_shutdown_fw_phy(struct ixgbe_hw *hw)
+{
+ u32 setup[FW_PHY_ACT_DATA_COUNT] = { 0 };
+
+ setup[0] = FW_PHY_ACT_FORCE_LINK_DOWN_OFF;
+ return ixgbe_fw_phy_activity(hw, FW_PHY_ACT_FORCE_LINK_DOWN, &setup);
+}
+
STATIC s32 ixgbe_read_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u16 *phy_data)
{
*
* Returns an error code on error.
**/
-static s32 ixgbe_read_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr,
+STATIC s32 ixgbe_read_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr,
u16 reg, u16 *val)
{
return ixgbe_read_i2c_combined_generic_int(hw, addr, reg, val, true);
*
* Returns an error code on error.
**/
-static s32
+STATIC s32
ixgbe_read_i2c_combined_generic_unlocked(struct ixgbe_hw *hw, u8 addr,
u16 reg, u16 *val)
{
*
* Returns an error code on error.
**/
-static s32 ixgbe_write_i2c_combined_generic(struct ixgbe_hw *hw,
+STATIC s32 ixgbe_write_i2c_combined_generic(struct ixgbe_hw *hw,
u8 addr, u16 reg, u16 val)
{
return ixgbe_write_i2c_combined_generic_int(hw, addr, reg, val, true);
*
* Returns an error code on error.
**/
-static s32
+STATIC s32
ixgbe_write_i2c_combined_generic_unlocked(struct ixgbe_hw *hw,
u8 addr, u16 reg, u16 val)
{
struct ixgbe_mac_info *mac = &hw->mac;
struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
struct ixgbe_phy_info *phy = &hw->phy;
- struct ixgbe_link_info *link = &hw->link;
s32 ret_val;
DEBUGFUNC("ixgbe_init_ops_X550EM");
hw->bus.type = ixgbe_bus_type_internal;
mac->ops.get_bus_info = ixgbe_get_bus_info_X550em;
- if (hw->mac.type == ixgbe_mac_X550EM_x) {
- mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550;
- mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550;
- mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550em;
- mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550em;
- link->ops.read_link = ixgbe_read_i2c_combined_generic;
- link->ops.read_link_unlocked =
- ixgbe_read_i2c_combined_generic_unlocked;
- link->ops.write_link = ixgbe_write_i2c_combined_generic;
- link->ops.write_link_unlocked =
- ixgbe_write_i2c_combined_generic_unlocked;
- link->addr = IXGBE_CS4227;
- }
- if (hw->mac.type == ixgbe_mac_X550EM_a) {
- mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550a;
- mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550a;
- mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550a;
- mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550a;
- }
mac->ops.get_media_type = ixgbe_get_media_type_X550em;
mac->ops.setup_sfp = ixgbe_setup_sfp_modules_X550em;
else
mac->ops.setup_fc = ixgbe_setup_fc_X550em;
-
- if (hw->device_id != IXGBE_DEV_ID_X550EM_X_KR)
- mac->ops.setup_eee = NULL;
-
/* PHY */
phy->ops.init = ixgbe_init_phy_ops_X550em;
- phy->ops.identify = ixgbe_identify_phy_x550em;
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_X550EM_A_1G_T:
+ case IXGBE_DEV_ID_X550EM_A_1G_T_L:
+ mac->ops.setup_fc = NULL;
+ phy->ops.identify = ixgbe_identify_phy_fw;
+ phy->ops.set_phy_power = NULL;
+ phy->ops.get_firmware_version = NULL;
+ break;
+ case IXGBE_DEV_ID_X550EM_X_1G_T:
+ mac->ops.setup_fc = NULL;
+ phy->ops.identify = ixgbe_identify_phy_x550em;
+ phy->ops.set_phy_power = NULL;
+ break;
+ default:
+ phy->ops.identify = ixgbe_identify_phy_x550em;
+ }
+
if (mac->ops.get_media_type(hw) != ixgbe_media_type_copper)
phy->ops.set_phy_power = NULL;
return ret_val;
}
+/**
+ * ixgbe_setup_fw_link - Setup firmware-controlled PHYs
+ * @hw: pointer to hardware structure
+ */
+static s32 ixgbe_setup_fw_link(struct ixgbe_hw *hw)
+{
+ u32 setup[FW_PHY_ACT_DATA_COUNT] = { 0 };
+ s32 rc;
+ u16 i;
+
+ if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw))
+ return 0;
+
+ 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");
+ return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ }
+
+ switch (hw->fc.requested_mode) {
+ case ixgbe_fc_full:
+ setup[0] |= FW_PHY_ACT_SETUP_LINK_PAUSE_RXTX <<
+ FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT;
+ break;
+ case ixgbe_fc_rx_pause:
+ setup[0] |= FW_PHY_ACT_SETUP_LINK_PAUSE_RX <<
+ FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT;
+ break;
+ case ixgbe_fc_tx_pause:
+ setup[0] |= FW_PHY_ACT_SETUP_LINK_PAUSE_TX <<
+ FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT;
+ break;
+ default:
+ break;
+ }
+
+ for (i = 0; i < sizeof(ixgbe_fw_map) / sizeof(ixgbe_fw_map[0]); ++i) {
+ if (hw->phy.autoneg_advertised & ixgbe_fw_map[i].phy_speed)
+ setup[0] |= ixgbe_fw_map[i].fw_speed;
+ }
+ setup[0] |= FW_PHY_ACT_SETUP_LINK_HP | FW_PHY_ACT_SETUP_LINK_AN;
+
+ if (hw->phy.eee_speeds_advertised)
+ setup[0] |= FW_PHY_ACT_SETUP_LINK_EEE;
+
+ rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_SETUP_LINK, &setup);
+ if (rc)
+ return rc;
+ if (setup[0] == FW_PHY_ACT_SETUP_LINK_RSP_DOWN)
+ return IXGBE_ERR_OVERTEMP;
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_fc_autoneg_fw _ Set up flow control for FW-controlled PHYs
+ * @hw: pointer to hardware structure
+ *
+ * Called at init time to set up flow control.
+ */
+static s32 ixgbe_fc_autoneg_fw(struct ixgbe_hw *hw)
+{
+ if (hw->fc.requested_mode == ixgbe_fc_default)
+ hw->fc.requested_mode = ixgbe_fc_full;
+
+ return ixgbe_setup_fw_link(hw);
+}
+
+/**
+ * ixgbe_setup_eee_fw - Enable/disable EEE support
+ * @hw: pointer to the HW structure
+ * @enable_eee: boolean flag to enable EEE
+ *
+ * Enable/disable EEE based on enable_eee flag.
+ * This function controls EEE for firmware-based PHY implementations.
+ */
+static s32 ixgbe_setup_eee_fw(struct ixgbe_hw *hw, bool enable_eee)
+{
+ if (!!hw->phy.eee_speeds_advertised == enable_eee)
+ return IXGBE_SUCCESS;
+ if (enable_eee)
+ hw->phy.eee_speeds_advertised = hw->phy.eee_speeds_supported;
+ else
+ hw->phy.eee_speeds_advertised = 0;
+ return hw->phy.ops.setup_link(hw);
+}
+
+/**
+* ixgbe_init_ops_X550EM_a - Inits func ptrs and MAC type
+* @hw: pointer to hardware structure
+*
+* Initialize the function pointers and for MAC type X550EM_a.
+* Does not touch the hardware.
+**/
+s32 ixgbe_init_ops_X550EM_a(struct ixgbe_hw *hw)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+ s32 ret_val;
+
+ DEBUGFUNC("ixgbe_init_ops_X550EM_a");
+
+ /* Start with generic X550EM init */
+ ret_val = ixgbe_init_ops_X550EM(hw);
+
+ if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII ||
+ hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII_L) {
+ mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550;
+ mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550;
+ } else {
+ mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550a;
+ mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550a;
+ }
+ mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550a;
+ mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550a;
+
+ switch (mac->ops.get_media_type(hw)) {
+ case ixgbe_media_type_fiber:
+ mac->ops.setup_fc = NULL;
+ mac->ops.fc_autoneg = ixgbe_fc_autoneg_fiber_x550em_a;
+ break;
+ case ixgbe_media_type_backplane:
+ mac->ops.fc_autoneg = ixgbe_fc_autoneg_backplane_x550em_a;
+ mac->ops.setup_fc = ixgbe_setup_fc_backplane_x550em_a;
+ break;
+ default:
+ break;
+ }
+
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_X550EM_A_1G_T:
+ case IXGBE_DEV_ID_X550EM_A_1G_T_L:
+ mac->ops.fc_autoneg = ixgbe_fc_autoneg_sgmii_x550em_a;
+ mac->ops.setup_fc = ixgbe_fc_autoneg_fw;
+ mac->ops.setup_eee = ixgbe_setup_eee_fw;
+ hw->phy.eee_speeds_supported = IXGBE_LINK_SPEED_100_FULL |
+ IXGBE_LINK_SPEED_1GB_FULL;
+ hw->phy.eee_speeds_advertised = hw->phy.eee_speeds_supported;
+ break;
+ default:
+ break;
+ }
+
+ return ret_val;
+}
+
+/**
+* ixgbe_init_ops_X550EM_x - Inits func ptrs and MAC type
+* @hw: pointer to hardware structure
+*
+* Initialize the function pointers and for MAC type X550EM_x.
+* Does not touch the hardware.
+**/
+s32 ixgbe_init_ops_X550EM_x(struct ixgbe_hw *hw)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+ struct ixgbe_link_info *link = &hw->link;
+ s32 ret_val;
+
+ DEBUGFUNC("ixgbe_init_ops_X550EM_x");
+
+ /* Start with generic X550EM init */
+ ret_val = ixgbe_init_ops_X550EM(hw);
+
+ mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550;
+ mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550;
+ mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550em;
+ mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550em;
+ link->ops.read_link = ixgbe_read_i2c_combined_generic;
+ link->ops.read_link_unlocked = ixgbe_read_i2c_combined_generic_unlocked;
+ link->ops.write_link = ixgbe_write_i2c_combined_generic;
+ link->ops.write_link_unlocked =
+ ixgbe_write_i2c_combined_generic_unlocked;
+ link->addr = IXGBE_CS4227;
+
+ if (hw->device_id == IXGBE_DEV_ID_X550EM_X_1G_T) {
+ mac->ops.setup_fc = NULL;
+ mac->ops.setup_eee = NULL;
+ mac->ops.init_led_link_act = NULL;
+ }
+
+ return ret_val;
+}
+
/**
* ixgbe_dmac_config_X550
* @hw: pointer to hardware structure
/* Configure DMA coalescing enabled */
switch (hw->mac.dmac_config.link_speed) {
+ case IXGBE_LINK_SPEED_10_FULL:
case IXGBE_LINK_SPEED_100_FULL:
pb_headroom = IXGBE_DMACRXT_100M;
break;
return IXGBE_SUCCESS;
}
-/**
- * ixgbe_setup_eee_X550 - Enable/disable EEE support
- * @hw: pointer to the HW structure
- * @enable_eee: boolean flag to enable EEE
- *
- * Enable/disable EEE based on enable_eee flag.
- * Auto-negotiation must be started after BASE-T EEE bits in PHY register 7.3C
- * are modified.
- *
- **/
-s32 ixgbe_setup_eee_X550(struct ixgbe_hw *hw, bool enable_eee)
-{
- u32 eeer;
- u16 autoneg_eee_reg;
- u32 link_reg;
- s32 status;
-
- DEBUGFUNC("ixgbe_setup_eee_X550");
-
- eeer = IXGBE_READ_REG(hw, IXGBE_EEER);
- /* Enable or disable EEE per flag */
- if (enable_eee) {
- eeer |= (IXGBE_EEER_TX_LPI_EN | IXGBE_EEER_RX_LPI_EN);
-
- if (hw->mac.type == ixgbe_mac_X550) {
- /* Advertise EEE capability */
- hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_EEE_ADVT,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &autoneg_eee_reg);
-
- autoneg_eee_reg |= (IXGBE_AUTO_NEG_10GBASE_EEE_ADVT |
- IXGBE_AUTO_NEG_1000BASE_EEE_ADVT |
- IXGBE_AUTO_NEG_100BASE_EEE_ADVT);
-
- hw->phy.ops.write_reg(hw, IXGBE_MDIO_AUTO_NEG_EEE_ADVT,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE, autoneg_eee_reg);
- } else if (hw->device_id == IXGBE_DEV_ID_X550EM_X_KR) {
- /* Not supported on first revision of X550EM_x. */
- if ((hw->mac.type == ixgbe_mac_X550EM_x) &&
- !(IXGBE_FUSES0_REV_MASK &
- IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0))))
- return IXGBE_SUCCESS;
-
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, &link_reg);
- if (status != IXGBE_SUCCESS)
- return status;
-
- link_reg |= IXGBE_KRM_LINK_CTRL_1_TETH_EEE_CAP_KR |
- IXGBE_KRM_LINK_CTRL_1_TETH_EEE_CAP_KX;
-
- /* Don't advertise FEC capability when EEE enabled. */
- link_reg &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_FEC;
-
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, link_reg);
- if (status != IXGBE_SUCCESS)
- return status;
- }
- } else {
- eeer &= ~(IXGBE_EEER_TX_LPI_EN | IXGBE_EEER_RX_LPI_EN);
-
- if (hw->mac.type == ixgbe_mac_X550) {
- /* Disable advertised EEE capability */
- hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_EEE_ADVT,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &autoneg_eee_reg);
-
- autoneg_eee_reg &= ~(IXGBE_AUTO_NEG_10GBASE_EEE_ADVT |
- IXGBE_AUTO_NEG_1000BASE_EEE_ADVT |
- IXGBE_AUTO_NEG_100BASE_EEE_ADVT);
-
- hw->phy.ops.write_reg(hw, IXGBE_MDIO_AUTO_NEG_EEE_ADVT,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE, autoneg_eee_reg);
- } else if (hw->device_id == IXGBE_DEV_ID_X550EM_X_KR) {
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, &link_reg);
- if (status != IXGBE_SUCCESS)
- return status;
-
- link_reg &= ~(IXGBE_KRM_LINK_CTRL_1_TETH_EEE_CAP_KR |
- IXGBE_KRM_LINK_CTRL_1_TETH_EEE_CAP_KX);
-
- /* Advertise FEC capability when EEE is disabled. */
- link_reg |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_FEC;
-
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, link_reg);
- if (status != IXGBE_SUCCESS)
- return status;
- }
- }
- IXGBE_WRITE_REG(hw, IXGBE_EEER, eeer);
-
- return IXGBE_SUCCESS;
-}
-
/**
* ixgbe_set_source_address_pruning_X550 - Enable/Disbale source address pruning
* @hw: pointer to hardware structure
}
/**
- * ixgbe_write_iosf_sb_reg_x550 - Writes a value to specified register of the IOSF
- * device
+ * ixgbe_write_iosf_sb_reg_x550 - Writes a value to specified register
+ * of the IOSF device
* @hw: pointer to hardware structure
* @reg_addr: 32 bit PHY register to write
* @device_type: 3 bit device type
}
/**
- * ixgbe_read_iosf_sb_reg_x550 - Writes a value to specified register of the IOSF
- * device
+ * ixgbe_read_iosf_sb_reg_x550 - Reads specified register of the IOSF device
* @hw: pointer to hardware structure
* @reg_addr: 32 bit PHY register to write
* @device_type: 3 bit device type
- * @phy_data: Pointer to read data from the register
+ * @data: Pointer to read data from the register
**/
s32 ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u32 *data)
token_cmd.hdr.cmd = FW_PHY_TOKEN_REQ_CMD;
token_cmd.hdr.buf_len = FW_PHY_TOKEN_REQ_LEN;
token_cmd.hdr.cmd_or_resp.cmd_resv = 0;
+ token_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
token_cmd.port_number = hw->bus.lan_id;
token_cmd.command_type = FW_PHY_TOKEN_REQ;
token_cmd.pad = 0;
sizeof(token_cmd),
IXGBE_HI_COMMAND_TIMEOUT,
true);
- if (status)
+ if (status) {
+ DEBUGOUT1("Issuing host interface command failed with Status = %d\n",
+ status);
return status;
+ }
if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK)
return IXGBE_SUCCESS;
- if (token_cmd.hdr.cmd_or_resp.ret_status != FW_PHY_TOKEN_RETRY)
+ if (token_cmd.hdr.cmd_or_resp.ret_status != FW_PHY_TOKEN_RETRY) {
+ DEBUGOUT1("Host interface command returned 0x%08x , returning IXGBE_ERR_FW_RESP_INVALID\n",
+ token_cmd.hdr.cmd_or_resp.ret_status);
return IXGBE_ERR_FW_RESP_INVALID;
+ }
+ DEBUGOUT("Returning IXGBE_ERR_TOKEN_RETRY\n");
return IXGBE_ERR_TOKEN_RETRY;
}
token_cmd.hdr.cmd = FW_PHY_TOKEN_REQ_CMD;
token_cmd.hdr.buf_len = FW_PHY_TOKEN_REQ_LEN;
token_cmd.hdr.cmd_or_resp.cmd_resv = 0;
+ token_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
token_cmd.port_number = hw->bus.lan_id;
token_cmd.command_type = FW_PHY_TOKEN_REL;
token_cmd.pad = 0;
return status;
if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK)
return IXGBE_SUCCESS;
+
+ DEBUGOUT("Put PHY Token host interface command failed");
return IXGBE_ERR_FW_RESP_INVALID;
}
* @data: Data to write to the register
**/
s32 ixgbe_write_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
- u32 device_type, u32 data)
+ u32 device_type, u32 data)
{
struct ixgbe_hic_internal_phy_req write_cmd;
s32 status;
UNREFERENCED_1PARAMETER(device_type);
+ memset(&write_cmd, 0, sizeof(write_cmd));
write_cmd.hdr.cmd = FW_INT_PHY_REQ_CMD;
write_cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN;
+ write_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
write_cmd.port_number = hw->bus.lan_id;
write_cmd.command_type = FW_INT_PHY_REQ_WRITE;
- write_cmd.address = (u16)reg_addr;
- write_cmd.rsv1 = 0;
- write_cmd.write_data = data;
- write_cmd.pad = 0;
+ write_cmd.address = IXGBE_CPU_TO_BE16(reg_addr);
+ write_cmd.write_data = IXGBE_CPU_TO_BE32(data);
status = ixgbe_host_interface_command(hw, (u32 *)&write_cmd,
- sizeof(write_cmd), IXGBE_HI_COMMAND_TIMEOUT, false);
+ sizeof(write_cmd),
+ IXGBE_HI_COMMAND_TIMEOUT, false);
return status;
}
/**
- * ixgbe_read_iosf_sb_reg_x550a - Writes a value to specified register
- * of the IOSF device.
+ * ixgbe_read_iosf_sb_reg_x550a - Reads specified register of the IOSF device
* @hw: pointer to hardware structure
* @reg_addr: 32 bit PHY register to write
* @device_type: 3 bit device type
* @data: Pointer to read data from the register
**/
s32 ixgbe_read_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
- u32 device_type, u32 *data)
+ u32 device_type, u32 *data)
{
- struct ixgbe_hic_internal_phy_req read_cmd;
+ union {
+ struct ixgbe_hic_internal_phy_req cmd;
+ struct ixgbe_hic_internal_phy_resp rsp;
+ } hic;
s32 status;
UNREFERENCED_1PARAMETER(device_type);
- read_cmd.hdr.cmd = FW_INT_PHY_REQ_CMD;
- read_cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN;
- read_cmd.port_number = hw->bus.lan_id;
- read_cmd.command_type = FW_INT_PHY_REQ_READ;
- read_cmd.address = (u16)reg_addr;
- read_cmd.rsv1 = 0;
- read_cmd.write_data = 0;
- read_cmd.pad = 0;
+ memset(&hic, 0, sizeof(hic));
+ hic.cmd.hdr.cmd = FW_INT_PHY_REQ_CMD;
+ hic.cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN;
+ hic.cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
+ hic.cmd.port_number = hw->bus.lan_id;
+ hic.cmd.command_type = FW_INT_PHY_REQ_READ;
+ hic.cmd.address = IXGBE_CPU_TO_BE16(reg_addr);
- status = ixgbe_host_interface_command(hw, (u32 *)&read_cmd,
- sizeof(read_cmd), IXGBE_HI_COMMAND_TIMEOUT, true);
+ status = ixgbe_host_interface_command(hw, (u32 *)&hic.cmd,
+ sizeof(hic.cmd),
+ IXGBE_HI_COMMAND_TIMEOUT, true);
/* Extract the register value from the response. */
- *data = ((struct ixgbe_hic_internal_phy_resp *)&read_cmd)->read_data;
+ *data = IXGBE_BE32_TO_CPU(hic.rsp.read_data);
return status;
}
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_X_KR:
case IXGBE_DEV_ID_X550EM_X_KX4:
+ case IXGBE_DEV_ID_X550EM_X_XFI:
case IXGBE_DEV_ID_X550EM_A_KR:
case IXGBE_DEV_ID_X550EM_A_KR_L:
media_type = ixgbe_media_type_backplane;
break;
case IXGBE_DEV_ID_X550EM_X_1G_T:
case IXGBE_DEV_ID_X550EM_X_10G_T:
+ case IXGBE_DEV_ID_X550EM_A_10G_T:
+ media_type = ixgbe_media_type_copper;
+ break;
+ case IXGBE_DEV_ID_X550EM_A_SGMII:
+ case IXGBE_DEV_ID_X550EM_A_SGMII_L:
+ media_type = ixgbe_media_type_backplane;
+ hw->phy.type = ixgbe_phy_sgmii;
+ break;
case IXGBE_DEV_ID_X550EM_A_1G_T:
case IXGBE_DEV_ID_X550EM_A_1G_T_L:
- case IXGBE_DEV_ID_X550EM_A_10G_T:
media_type = ixgbe_media_type_copper;
break;
default:
}
/**
- * ixgbe_init_mac_link_ops_X550em - init mac link function pointers
- * @hw: pointer to hardware structure
- */
-void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw)
+* ixgbe_restart_an_internal_phy_x550em - restart autonegotiation for the
+* internal PHY
+* @hw: pointer to hardware structure
+**/
+STATIC s32 ixgbe_restart_an_internal_phy_x550em(struct ixgbe_hw *hw)
{
- struct ixgbe_mac_info *mac = &hw->mac;
+ s32 status;
+ u32 link_ctrl;
- DEBUGFUNC("ixgbe_init_mac_link_ops_X550em");
+ /* Restart auto-negotiation. */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &link_ctrl);
- switch (hw->mac.ops.get_media_type(hw)) {
- case ixgbe_media_type_fiber:
- /* CS4227 does not support autoneg, so disable the laser control
- * functions for SFP+ fiber
- */
- mac->ops.disable_tx_laser = NULL;
- mac->ops.enable_tx_laser = NULL;
- mac->ops.flap_tx_laser = NULL;
- mac->ops.setup_link = ixgbe_setup_mac_link_multispeed_fiber;
- mac->ops.setup_mac_link = ixgbe_setup_mac_link_sfp_x550em;
- mac->ops.set_rate_select_speed =
- ixgbe_set_soft_rate_select_speed;
- break;
- case ixgbe_media_type_copper:
- mac->ops.setup_link = ixgbe_setup_mac_link_t_X550em;
- mac->ops.check_link = ixgbe_check_link_t_X550em;
- break;
- default:
- break;
- }
-}
+ if (status) {
+ DEBUGOUT("Auto-negotiation did not complete\n");
+ return status;
+ }
-/**
- * ixgbe_get_link_capabilities_x550em - Determines link capabilities
+ link_ctrl |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, link_ctrl);
+
+ if (hw->mac.type == ixgbe_mac_X550EM_a) {
+ u32 flx_mask_st20;
+
+ /* Indicate to FW that AN restart has been asserted */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &flx_mask_st20);
+
+ if (status) {
+ DEBUGOUT("Auto-negotiation did not complete\n");
+ return status;
+ }
+
+ flx_mask_st20 |= IXGBE_KRM_PMD_FLX_MASK_ST20_FW_AN_RESTART;
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, flx_mask_st20);
+ }
+
+ return status;
+}
+
+#ifndef PREBOOT_SUPPORT
+/**
+ * ixgbe_setup_sgmii - Set up link for sgmii
+ * @hw: pointer to hardware structure
+ * @speed: new link speed
+ * @autoneg_wait: true when waiting for completion is needed
+ */
+STATIC s32 ixgbe_setup_sgmii(struct ixgbe_hw *hw, ixgbe_link_speed speed,
+ bool autoneg_wait)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+ u32 lval, sval, flx_val;
+ s32 rc;
+
+ rc = mac->ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &lval);
+ if (rc)
+ return rc;
+
+ lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
+ lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
+ lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_SGMII_EN;
+ lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CLAUSE_37_EN;
+ lval |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, lval);
+ if (rc)
+ return rc;
+
+ rc = mac->ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &sval);
+ if (rc)
+ return rc;
+
+ sval |= IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_10_D;
+ sval |= IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_100_D;
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, sval);
+ if (rc)
+ return rc;
+
+ rc = mac->ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &flx_val);
+ if (rc)
+ return rc;
+
+ flx_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
+ flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_1G;
+ flx_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
+ flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
+ flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
+
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, flx_val);
+ if (rc)
+ return rc;
+
+ rc = ixgbe_restart_an_internal_phy_x550em(hw);
+ if (rc)
+ return rc;
+
+ return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait);
+}
+
+#endif /* PREBOOT_SUPPORT */
+/**
+ * ixgbe_setup_sgmii_fw - Set up link for internal PHY SGMII auto-negotiation
+ * @hw: pointer to hardware structure
+ * @speed: new link speed
+ * @autoneg_wait: true when waiting for completion is needed
+ */
+STATIC s32 ixgbe_setup_sgmii_fw(struct ixgbe_hw *hw, ixgbe_link_speed speed,
+ bool autoneg_wait)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+ u32 lval, sval, flx_val;
+ s32 rc;
+
+ rc = mac->ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &lval);
+ if (rc)
+ return rc;
+
+ lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
+ lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
+ lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_SGMII_EN;
+ lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CLAUSE_37_EN;
+ lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, lval);
+ if (rc)
+ return rc;
+
+ rc = mac->ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &sval);
+ if (rc)
+ return rc;
+
+ sval &= ~IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_10_D;
+ sval &= ~IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_100_D;
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, sval);
+ if (rc)
+ return rc;
+
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, lval);
+ if (rc)
+ return rc;
+
+ rc = mac->ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &flx_val);
+ if (rc)
+ return rc;
+
+ flx_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
+ flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_AN;
+ flx_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
+ flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
+ flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
+
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, flx_val);
+ if (rc)
+ return rc;
+
+ rc = ixgbe_restart_an_internal_phy_x550em(hw);
+
+ return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait);
+}
+
+/**
+ * ixgbe_init_mac_link_ops_X550em - init mac link function pointers
+ * @hw: pointer to hardware structure
+ */
+void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+
+ DEBUGFUNC("ixgbe_init_mac_link_ops_X550em");
+
+ switch (hw->mac.ops.get_media_type(hw)) {
+ case ixgbe_media_type_fiber:
+ /* CS4227 does not support autoneg, so disable the laser control
+ * functions for SFP+ fiber
+ */
+ mac->ops.disable_tx_laser = NULL;
+ mac->ops.enable_tx_laser = NULL;
+ mac->ops.flap_tx_laser = NULL;
+ mac->ops.setup_link = ixgbe_setup_mac_link_multispeed_fiber;
+ mac->ops.set_rate_select_speed =
+ ixgbe_set_soft_rate_select_speed;
+
+ if ((hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N) ||
+ (hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP))
+ mac->ops.setup_mac_link =
+ ixgbe_setup_mac_link_sfp_x550a;
+ else
+ mac->ops.setup_mac_link =
+ ixgbe_setup_mac_link_sfp_x550em;
+ break;
+ case ixgbe_media_type_copper:
+ if (hw->device_id == IXGBE_DEV_ID_X550EM_X_1G_T)
+ break;
+ if (hw->mac.type == ixgbe_mac_X550EM_a) {
+ if (hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T ||
+ hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L) {
+ mac->ops.setup_link = ixgbe_setup_sgmii_fw;
+ mac->ops.check_link =
+ ixgbe_check_mac_link_generic;
+ } else {
+ mac->ops.setup_link =
+ ixgbe_setup_mac_link_t_X550em;
+ }
+ } else {
+ mac->ops.setup_link = ixgbe_setup_mac_link_t_X550em;
+ mac->ops.check_link = ixgbe_check_link_t_X550em;
+ }
+ break;
+ case ixgbe_media_type_backplane:
+ if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII ||
+ hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII_L)
+#ifdef PREBOOT_SUPPORT
+ mac->ops.setup_link = ixgbe_setup_sgmii_fw;
+#else
+ mac->ops.setup_link = ixgbe_setup_sgmii;
+#endif /* PREBOOT_SUPPORT */
+ break;
+ default:
+ break;
+ }
+}
+
+/**
+ * ixgbe_get_link_capabilities_x550em - Determines link capabilities
* @hw: pointer to hardware structure
* @speed: pointer to link speed
* @autoneg: true when autoneg or autotry is enabled
{
DEBUGFUNC("ixgbe_get_link_capabilities_X550em");
+
+ if (hw->phy.type == ixgbe_phy_fw) {
+ *autoneg = true;
+ *speed = hw->phy.speeds_supported;
+ return 0;
+ }
+
/* SFP */
if (hw->phy.media_type == ixgbe_media_type_fiber) {
else
*speed = IXGBE_LINK_SPEED_10GB_FULL;
} else {
- *speed = IXGBE_LINK_SPEED_10GB_FULL |
- IXGBE_LINK_SPEED_1GB_FULL;
+ switch (hw->phy.type) {
+ case ixgbe_phy_ext_1g_t:
+#ifdef PREBOOT_SUPPORT
+ *speed = IXGBE_LINK_SPEED_1GB_FULL;
+ break;
+#endif /* PREBOOT_SUPPORT */
+ case ixgbe_phy_sgmii:
+#ifdef PREBOOT_SUPPORT
+ *speed = IXGBE_LINK_SPEED_1GB_FULL |
+ IXGBE_LINK_SPEED_100_FULL |
+ IXGBE_LINK_SPEED_10_FULL;
+#else
+ *speed = IXGBE_LINK_SPEED_1GB_FULL;
+#endif /* PREBOOT_SUPPORT */
+ break;
+ case ixgbe_phy_x550em_kr:
+ if (hw->mac.type == ixgbe_mac_X550EM_a) {
+ /* check different backplane modes */
+ if (hw->phy.nw_mng_if_sel &
+ IXGBE_NW_MNG_IF_SEL_PHY_SPEED_2_5G) {
+ *speed = IXGBE_LINK_SPEED_2_5GB_FULL;
+ break;
+ } else if (hw->device_id ==
+ IXGBE_DEV_ID_X550EM_A_KR_L) {
+ *speed = IXGBE_LINK_SPEED_1GB_FULL;
+ break;
+ }
+ }
+ /* fall through */
+ default:
+ *speed = IXGBE_LINK_SPEED_10GB_FULL |
+ IXGBE_LINK_SPEED_1GB_FULL;
+ break;
+ }
*autoneg = true;
}
status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
/* Enable link status change alarm */
- status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PMA_TX_VEN_LASI_INT_MASK,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE, ®);
- if (status != IXGBE_SUCCESS)
- return status;
+ /* Enable the LASI interrupts on X552 devices to receive notifications
+ * of the link configurations of the external PHY and correspondingly
+ * support the configuration of the internal iXFI link, since iXFI does
+ * not support auto-negotiation. This is not required for X553 devices
+ * having KR support, which performs auto-negotiations and which is used
+ * as the internal link to the external PHY. Hence adding a check here
+ * to avoid enabling LASI interrupts for X553 devices.
+ */
+ if (hw->mac.type != ixgbe_mac_X550EM_a) {
+ status = hw->phy.ops.read_reg(hw,
+ IXGBE_MDIO_PMA_TX_VEN_LASI_INT_MASK,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE, ®);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
- reg |= IXGBE_MDIO_PMA_TX_VEN_LASI_INT_EN;
+ reg |= IXGBE_MDIO_PMA_TX_VEN_LASI_INT_EN;
- status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_PMA_TX_VEN_LASI_INT_MASK,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE, reg);
+ status = hw->phy.ops.write_reg(hw,
+ IXGBE_MDIO_PMA_TX_VEN_LASI_INT_MASK,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE, reg);
- if (status != IXGBE_SUCCESS)
- return status;
+ if (status != IXGBE_SUCCESS)
+ return status;
+ }
/* Enable high temperature failure and global fault alarms */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK,
s32 status;
u32 reg_val;
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status)
return status;
if (speed & IXGBE_LINK_SPEED_1GB_FULL)
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KX;
- /* Restart auto-negotiation. */
- reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
- return status;
+ if (hw->mac.type == ixgbe_mac_X550EM_a) {
+ /* Set lane mode to KR auto negotiation */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+
+ if (status)
+ return status;
+
+ reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
+ reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_AN;
+ reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
+ reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
+ reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
+
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ }
+
+ return ixgbe_restart_an_internal_phy_x550em(hw);
+}
+
+/**
+ * ixgbe_reset_phy_fw - Reset firmware-controlled PHYs
+ * @hw: pointer to hardware structure
+ */
+static s32 ixgbe_reset_phy_fw(struct ixgbe_hw *hw)
+{
+ u32 store[FW_PHY_ACT_DATA_COUNT] = { 0 };
+ s32 rc;
+
+ if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw))
+ return IXGBE_SUCCESS;
+
+ rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_PHY_SW_RESET, &store);
+ if (rc)
+ return rc;
+ memset(store, 0, sizeof(store));
+
+ rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_INIT_PHY, &store);
+ if (rc)
+ return rc;
+
+ return ixgbe_setup_fw_link(hw);
+}
+
+/**
+ * ixgbe_check_overtemp_fw - Check firmware-controlled PHYs for overtemp
+ * @hw: pointer to hardware structure
+ */
+static s32 ixgbe_check_overtemp_fw(struct ixgbe_hw *hw)
+{
+ u32 store[FW_PHY_ACT_DATA_COUNT] = { 0 };
+ s32 rc;
+
+ rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &store);
+ if (rc)
+ return rc;
+
+ if (store[0] & FW_PHY_ACT_GET_LINK_INFO_TEMP) {
+ ixgbe_shutdown_fw_phy(hw);
+ return IXGBE_ERR_OVERTEMP;
+ }
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_read_mng_if_sel_x550em - Read NW_MNG_IF_SEL register
+ * @hw: pointer to hardware structure
+ *
+ * Read NW_MNG_IF_SEL register and save field values, and check for valid field
+ * values.
+ **/
+STATIC s32 ixgbe_read_mng_if_sel_x550em(struct ixgbe_hw *hw)
+{
+ /* Save NW management interface connected on board. This is used
+ * to determine internal PHY mode.
+ */
+ hw->phy.nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL);
+
+ /* If X552 (X550EM_a) and MDIO is connected to external PHY, then set
+ * PHY address. This register field was has only been used for X552.
+ */
+ if (hw->mac.type == ixgbe_mac_X550EM_a &&
+ hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_MDIO_ACT) {
+ hw->phy.addr = (hw->phy.nw_mng_if_sel &
+ IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD) >>
+ IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT;
+ }
+
+ return IXGBE_SUCCESS;
}
/**
DEBUGFUNC("ixgbe_init_phy_ops_X550em");
hw->mac.ops.set_lan_id(hw);
+ ixgbe_read_mng_if_sel_x550em(hw);
if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) {
phy->phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
ixgbe_setup_mux_ctl(hw);
-
- /* Save NW management interface connected on board. This is used
- * to determine internal PHY mode.
- */
- phy->nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL);
phy->ops.identify_sfp = ixgbe_identify_sfp_module_X550em;
}
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_X550EM_A_1G_T:
+ case IXGBE_DEV_ID_X550EM_A_1G_T_L:
+ phy->ops.read_reg_mdi = NULL;
+ phy->ops.write_reg_mdi = NULL;
+ hw->phy.ops.read_reg = NULL;
+ hw->phy.ops.write_reg = NULL;
+ phy->ops.check_overtemp = ixgbe_check_overtemp_fw;
+ if (hw->bus.lan_id)
+ hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY1_SM;
+ else
+ hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY0_SM;
+
+ break;
+ case IXGBE_DEV_ID_X550EM_A_10G_T:
+ case IXGBE_DEV_ID_X550EM_A_SFP:
+ hw->phy.ops.read_reg = ixgbe_read_phy_reg_x550a;
+ hw->phy.ops.write_reg = ixgbe_write_phy_reg_x550a;
+ if (hw->bus.lan_id)
+ hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY1_SM;
+ else
+ hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY0_SM;
+ break;
+ case IXGBE_DEV_ID_X550EM_X_SFP:
+ /* set up for CS4227 usage */
+ hw->phy.phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
+ break;
+ case IXGBE_DEV_ID_X550EM_X_1G_T:
+ phy->ops.read_reg_mdi = NULL;
+ phy->ops.write_reg_mdi = NULL;
+ default:
+ break;
+ }
+
/* Identify the PHY or SFP module */
ret_val = phy->ops.identify(hw);
- if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED ||
+ ret_val == IXGBE_ERR_PHY_ADDR_INVALID)
return ret_val;
/* Setup function pointers based on detected hardware */
phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
break;
+ case ixgbe_phy_ext_1g_t:
+ /* link is managed by FW */
+ phy->ops.setup_link = NULL;
+ phy->ops.reset = NULL;
+ break;
+ case ixgbe_phy_x550em_xfi:
+ /* link is managed by HW */
+ phy->ops.setup_link = NULL;
+ phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
+ phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
+ break;
case ixgbe_phy_x550em_ext_t:
- /* Save NW management interface connected on board. This is used
- * to determine internal PHY mode
- */
- phy->nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL);
-
/* If internal link mode is XFI, then setup iXFI internal link,
* else setup KR now.
*/
phy->ops.handle_lasi = ixgbe_handle_lasi_ext_t_x550em;
phy->ops.reset = ixgbe_reset_phy_t_X550em;
break;
+ case ixgbe_phy_sgmii:
+ phy->ops.setup_link = NULL;
+ break;
+ case ixgbe_phy_fw:
+ phy->ops.setup_link = ixgbe_setup_fw_link;
+ phy->ops.reset = ixgbe_reset_phy_fw;
+ break;
default:
break;
}
* ixgbe_set_mdio_speed - Set MDIO clock speed
* @hw: pointer to hardware structure
*/
-static void ixgbe_set_mdio_speed(struct ixgbe_hw *hw)
+STATIC void ixgbe_set_mdio_speed(struct ixgbe_hw *hw)
{
u32 hlreg0;
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_X_10G_T:
- case IXGBE_DEV_ID_X550EM_A_1G_T:
- case IXGBE_DEV_ID_X550EM_A_1G_T_L:
+ case IXGBE_DEV_ID_X550EM_A_SGMII:
+ case IXGBE_DEV_ID_X550EM_A_SGMII_L:
case IXGBE_DEV_ID_X550EM_A_10G_T:
case IXGBE_DEV_ID_X550EM_A_SFP:
case IXGBE_DEV_ID_X550EM_A_QSFP:
hlreg0 &= ~IXGBE_HLREG0_MDCSPD;
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
break;
+ case IXGBE_DEV_ID_X550EM_A_1G_T:
+ case IXGBE_DEV_ID_X550EM_A_1G_T_L:
+ /* Select fast MDIO clock speed for these devices */
+ hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
+ hlreg0 |= IXGBE_HLREG0_MDCSPD;
+ IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
+ break;
default:
break;
}
u32 ctrl = 0;
u32 i;
bool link_up = false;
+ u32 swfw_mask = hw->phy.phy_semaphore_mask;
DEBUGFUNC("ixgbe_reset_hw_X550em");
/* Call adapter stop to disable Tx/Rx and clear interrupts */
status = hw->mac.ops.stop_adapter(hw);
- if (status != IXGBE_SUCCESS)
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT1("Failed to stop adapter, STATUS = %d\n", status);
return status;
-
+ }
/* flush pending Tx transactions */
ixgbe_clear_tx_pending(hw);
/* PHY ops must be identified and initialized prior to reset */
status = hw->phy.ops.init(hw);
- if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (status)
+ DEBUGOUT1("Failed to initialize PHY ops, STATUS = %d\n",
+ status);
+
+ if (status == IXGBE_ERR_SFP_NOT_SUPPORTED ||
+ status == IXGBE_ERR_PHY_ADDR_INVALID) {
+ DEBUGOUT("Returning from reset HW due to PHY init failure\n");
return status;
+ }
/* start the external PHY */
if (hw->phy.type == ixgbe_phy_x550em_ext_t) {
status = ixgbe_init_ext_t_x550em(hw);
- if (status)
+ if (status) {
+ DEBUGOUT1("Failed to start the external PHY, STATUS = %d\n",
+ status);
return status;
+ }
}
/* Setup SFP module if there is one present. */
return status;
/* Reset PHY */
- if (!hw->phy.reset_disable && hw->phy.ops.reset)
- hw->phy.ops.reset(hw);
+ if (!hw->phy.reset_disable && hw->phy.ops.reset) {
+ if (hw->phy.ops.reset(hw) == IXGBE_ERR_OVERTEMP)
+ return IXGBE_ERR_OVERTEMP;
+ }
mac_reset_top:
/* Issue global reset to the MAC. Needs to be SW reset if link is up.
ctrl = IXGBE_CTRL_RST;
}
+ status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
+ if (status != IXGBE_SUCCESS) {
+ ERROR_REPORT2(IXGBE_ERROR_CAUTION,
+ "semaphore failed with %d", status);
+ return IXGBE_ERR_SWFW_SYNC;
+ }
ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
IXGBE_WRITE_FLUSH(hw);
+ hw->mac.ops.release_swfw_sync(hw, swfw_mask);
/* Poll for reset bit to self-clear meaning reset is complete */
for (i = 0; i < 10; i++) {
if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP)
ixgbe_setup_mux_ctl(hw);
+ if (status != IXGBE_SUCCESS)
+ DEBUGOUT1("Reset HW failed, STATUS = %d\n", status);
+
return status;
}
/**
* ixgbe_setup_kr_x550em - Configure the KR PHY.
* @hw: pointer to hardware structure
- *
- * Configures the integrated KR PHY.
**/
s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw)
{
+ /* leave link alone for 2.5G */
+ if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL)
+ return IXGBE_SUCCESS;
+
+ if (ixgbe_check_reset_blocked(hw))
+ return 0;
+
return ixgbe_setup_kr_speed_x550em(hw, hw->phy.autoneg_advertised);
}
/**
* ixgbe_setup_mac_link_sfp_x550em - Setup internal/external the PHY for SFP
* @hw: pointer to hardware structure
+ * @speed: new link speed
+ * @autoneg_wait_to_complete: unused
*
* Configure the external PHY and the integrated KR PHY for SFP support.
**/
if (ret_val != IXGBE_SUCCESS)
return ret_val;
- if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
- /* Configure CS4227 LINE side to 10G SR. */
- reg_slice = IXGBE_CS4227_LINE_SPARE22_MSB +
- (hw->bus.lan_id << 12);
- reg_val = IXGBE_CS4227_SPEED_10G;
- ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
- reg_val);
+ /* Configure internal PHY for KR/KX. */
+ ixgbe_setup_kr_speed_x550em(hw, speed);
- reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB +
- (hw->bus.lan_id << 12);
+ /* Configure CS4227 LINE side to proper mode. */
+ reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB +
+ (hw->bus.lan_id << 12);
+ if (setup_linear)
+ reg_val = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
+ else
reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
- ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
- reg_val);
-
- /* Configure CS4227 for HOST connection rate then type. */
- reg_slice = IXGBE_CS4227_HOST_SPARE22_MSB +
- (hw->bus.lan_id << 12);
- reg_val = (speed & IXGBE_LINK_SPEED_10GB_FULL) ?
- IXGBE_CS4227_SPEED_10G : IXGBE_CS4227_SPEED_1G;
- ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
- reg_val);
-
- reg_slice = IXGBE_CS4227_HOST_SPARE24_LSB +
- (hw->bus.lan_id << 12);
- if (setup_linear)
- reg_val = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
- else
- reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
- ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
- reg_val);
+ ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
+ reg_val);
+ return ret_val;
+}
- /* Setup XFI internal link. */
- ret_val = ixgbe_setup_ixfi_x550em(hw, &speed);
+/**
+ * ixgbe_setup_sfi_x550a - Configure the internal PHY for native SFI mode
+ * @hw: pointer to hardware structure
+ * @speed: the link speed to force
+ *
+ * Configures the integrated PHY for native SFI mode. Used to connect the
+ * internal PHY directly to an SFP cage, without autonegotiation.
+ **/
+STATIC s32 ixgbe_setup_sfi_x550a(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+ s32 status;
+ u32 reg_val;
+
+ /* Disable all AN and force speed to 10G Serial. */
+ status = mac->ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
+ reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
+ reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
+ reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
+
+ /* Select forced link speed for internal PHY. */
+ switch (*speed) {
+ case IXGBE_LINK_SPEED_10GB_FULL:
+ reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_10G;
+ break;
+ case IXGBE_LINK_SPEED_1GB_FULL:
+ reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_1G;
+ break;
+ default:
+ /* Other link speeds are not supported by internal PHY. */
+ return IXGBE_ERR_LINK_SETUP;
+ }
+
+ status = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+
+ /* Toggle port SW reset by AN reset. */
+ status = ixgbe_restart_an_internal_phy_x550em(hw);
+
+ return status;
+}
+
+/**
+ * ixgbe_setup_mac_link_sfp_x550a - Setup internal PHY for SFP
+ * @hw: pointer to hardware structure
+ * @speed: new link speed
+ * @autoneg_wait_to_complete: unused
+ *
+ * Configure the integrated PHY for SFP support.
+ **/
+s32 ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw,
+ ixgbe_link_speed speed,
+ bool autoneg_wait_to_complete)
+{
+ s32 ret_val;
+ u16 reg_phy_ext;
+ bool setup_linear = false;
+ u32 reg_slice, reg_phy_int, slice_offset;
+
+ UNREFERENCED_1PARAMETER(autoneg_wait_to_complete);
+
+ /* Check if SFP module is supported and linear */
+ ret_val = ixgbe_supported_sfp_modules_X550em(hw, &setup_linear);
+
+ /* If no SFP module present, then return success. Return success since
+ * SFP not present error is not excepted in the setup MAC link flow.
+ */
+ if (ret_val == IXGBE_ERR_SFP_NOT_PRESENT)
+ return IXGBE_SUCCESS;
+
+ if (ret_val != IXGBE_SUCCESS)
+ return ret_val;
+
+ if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N) {
+ /* Configure internal PHY for native SFI based on module type */
+ ret_val = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_phy_int);
+
+ if (ret_val != IXGBE_SUCCESS)
+ return ret_val;
+
+ reg_phy_int &= IXGBE_KRM_PMD_FLX_MASK_ST20_SFI_10G_DA;
+ if (!setup_linear)
+ reg_phy_int |= IXGBE_KRM_PMD_FLX_MASK_ST20_SFI_10G_SR;
+
+ ret_val = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_phy_int);
+
+ if (ret_val != IXGBE_SUCCESS)
+ return ret_val;
+
+ /* Setup SFI internal link. */
+ ret_val = ixgbe_setup_sfi_x550a(hw, &speed);
} else {
/* Configure internal PHY for KR/KX. */
ixgbe_setup_kr_speed_x550em(hw, speed);
- /* Configure CS4227 LINE side to proper mode. */
- reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB +
- (hw->bus.lan_id << 12);
+ if (hw->phy.addr == 0x0 || hw->phy.addr == 0xFFFF) {
+ /* Find Address */
+ DEBUGOUT("Invalid NW_MNG_IF_SEL.MDIO_PHY_ADD value\n");
+ return IXGBE_ERR_PHY_ADDR_INVALID;
+ }
+
+ /* Get external PHY SKU id */
+ ret_val = hw->phy.ops.read_reg(hw, IXGBE_CS4227_EFUSE_PDF_SKU,
+ IXGBE_MDIO_ZERO_DEV_TYPE, ®_phy_ext);
+
+ if (ret_val != IXGBE_SUCCESS)
+ return ret_val;
+
+ /* When configuring quad port CS4223, the MAC instance is part
+ * of the slice offset.
+ */
+ if (reg_phy_ext == IXGBE_CS4223_SKU_ID)
+ slice_offset = (hw->bus.lan_id +
+ (hw->bus.instance_id << 1)) << 12;
+ else
+ slice_offset = hw->bus.lan_id << 12;
+
+ /* Configure CS4227/CS4223 LINE side to proper mode. */
+ reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB + slice_offset;
+
+ ret_val = hw->phy.ops.read_reg(hw, reg_slice,
+ IXGBE_MDIO_ZERO_DEV_TYPE, ®_phy_ext);
+
+ if (ret_val != IXGBE_SUCCESS)
+ return ret_val;
+
+ reg_phy_ext &= ~((IXGBE_CS4227_EDC_MODE_CX1 << 1) |
+ (IXGBE_CS4227_EDC_MODE_SR << 1));
+
if (setup_linear)
- reg_val = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
+ reg_phy_ext = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
else
- reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
- ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
- reg_val);
+ reg_phy_ext = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
+ ret_val = hw->phy.ops.write_reg(hw, reg_slice,
+ IXGBE_MDIO_ZERO_DEV_TYPE, reg_phy_ext);
+
+ /* Flush previous write with a read */
+ ret_val = hw->phy.ops.read_reg(hw, reg_slice,
+ IXGBE_MDIO_ZERO_DEV_TYPE, ®_phy_ext);
}
return ret_val;
}
**/
STATIC s32 ixgbe_setup_ixfi_x550em_x(struct ixgbe_hw *hw)
{
+ struct ixgbe_mac_info *mac = &hw->mac;
s32 status;
u32 reg_val;
/* Disable training protocol FSM. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
+ status = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
return status;
reg_val |= IXGBE_KRM_RX_TRN_LINKUP_CTRL_CONV_WO_PROTOCOL;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
+ status = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status != IXGBE_SUCCESS)
return status;
/* Disable Flex from training TXFFE. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
+ status = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN;
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN;
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
+ status = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status != IXGBE_SUCCESS)
return status;
- status = ixgbe_read_iosf_sb_reg_x550(hw,
+ status = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN;
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN;
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
+ status = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status != IXGBE_SUCCESS)
return status;
/* Enable override for coefficients. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
+ status = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CZERO_EN;
reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CPLUS1_OVRRD_EN;
reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CMINUS1_OVRRD_EN;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
+ status = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
return status;
**/
STATIC s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
{
+ struct ixgbe_mac_info *mac = &hw->mac;
s32 status;
u32 reg_val;
+ /* iXFI is only supported with X552 */
+ if (mac->type != ixgbe_mac_X550EM_x)
+ return IXGBE_ERR_LINK_SETUP;
+
/* Disable AN and force speed to 10G Serial. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
+ status = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
return IXGBE_ERR_LINK_SETUP;
}
- status = ixgbe_write_iosf_sb_reg_x550(hw,
+ status = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status != IXGBE_SUCCESS)
}
/* Toggle port SW reset by AN reset. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
- if (status != IXGBE_SUCCESS)
- return status;
- reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ status = ixgbe_restart_an_internal_phy_x550em(hw);
return status;
}
if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
return IXGBE_ERR_CONFIG;
- if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
+ if (hw->mac.type == ixgbe_mac_X550EM_x &&
+ !(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
/* If link is down, there is no setup necessary so return */
status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
if (status != IXGBE_SUCCESS)
u32 reg_val;
/* Disable AN and force speed to 10G Serial. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
return status;
reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_10G;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status != IXGBE_SUCCESS)
return status;
/* Set near-end loopback clocks. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_PORT_CAR_GEN_CTRL(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PORT_CAR_GEN_CTRL(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
return status;
reg_val |= IXGBE_KRM_PORT_CAR_GEN_CTRL_NELB_32B;
reg_val |= IXGBE_KRM_PORT_CAR_GEN_CTRL_NELB_KRPCS;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_PORT_CAR_GEN_CTRL(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_PORT_CAR_GEN_CTRL(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status != IXGBE_SUCCESS)
return status;
/* Set loopback enable. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_PMD_DFX_BURNIN(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_DFX_BURNIN(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
return status;
reg_val |= IXGBE_KRM_PMD_DFX_BURNIN_TX_RX_KR_LB_MASK;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_PMD_DFX_BURNIN(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_DFX_BURNIN(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status != IXGBE_SUCCESS)
return status;
/* Training bypass. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
return status;
reg_val |= IXGBE_KRM_RX_TRN_LINKUP_CTRL_PROTOCOL_BYPASS;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
return status;
}
*
* Reads a 16 bit word from the EEPROM using the hostif.
**/
-s32 ixgbe_read_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset,
- u16 *data)
+s32 ixgbe_read_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 *data)
{
- s32 status;
+ const u32 mask = IXGBE_GSSR_SW_MNG_SM | IXGBE_GSSR_EEP_SM;
struct ixgbe_hic_read_shadow_ram buffer;
+ s32 status;
- DEBUGFUNC("ixgbe_read_ee_hostif_data_X550");
+ DEBUGFUNC("ixgbe_read_ee_hostif_X550");
buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD;
buffer.hdr.req.buf_lenh = 0;
buffer.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN;
buffer.address = IXGBE_CPU_TO_BE32(offset * 2);
/* one word */
buffer.length = IXGBE_CPU_TO_BE16(sizeof(u16));
+ buffer.pad2 = 0;
+ buffer.pad3 = 0;
- status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
- sizeof(buffer),
- IXGBE_HI_COMMAND_TIMEOUT, false);
-
+ status = hw->mac.ops.acquire_swfw_sync(hw, mask);
if (status)
return status;
- *data = (u16)IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG,
- FW_NVM_DATA_OFFSET);
-
- return 0;
-}
-
-/**
- * ixgbe_read_ee_hostif_X550 - Read EEPROM word using a host interface command
- * @hw: pointer to hardware structure
- * @offset: offset of word in the EEPROM to read
- * @data: word read from the EEPROM
- *
- * Reads a 16 bit word from the EEPROM using the hostif.
- **/
-s32 ixgbe_read_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset,
- u16 *data)
-{
- s32 status = IXGBE_SUCCESS;
-
- DEBUGFUNC("ixgbe_read_ee_hostif_X550");
-
- if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) ==
- IXGBE_SUCCESS) {
- status = ixgbe_read_ee_hostif_data_X550(hw, offset, data);
- hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
- } else {
- status = IXGBE_ERR_SWFW_SYNC;
+ status = ixgbe_hic_unlocked(hw, (u32 *)&buffer, sizeof(buffer),
+ IXGBE_HI_COMMAND_TIMEOUT);
+ if (!status) {
+ *data = (u16)IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG,
+ FW_NVM_DATA_OFFSET);
}
+ hw->mac.ops.release_swfw_sync(hw, mask);
return status;
}
s32 ixgbe_read_ee_hostif_buffer_X550(struct ixgbe_hw *hw,
u16 offset, u16 words, u16 *data)
{
+ const u32 mask = IXGBE_GSSR_SW_MNG_SM | IXGBE_GSSR_EEP_SM;
struct ixgbe_hic_read_shadow_ram buffer;
u32 current_word = 0;
u16 words_to_read;
DEBUGFUNC("ixgbe_read_ee_hostif_buffer_X550");
/* Take semaphore for the entire operation. */
- status = hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
+ status = hw->mac.ops.acquire_swfw_sync(hw, mask);
if (status) {
DEBUGOUT("EEPROM read buffer - semaphore failed\n");
return status;
}
+
while (words) {
if (words > FW_MAX_READ_BUFFER_SIZE / 2)
words_to_read = FW_MAX_READ_BUFFER_SIZE / 2;
/* convert offset from words to bytes */
buffer.address = IXGBE_CPU_TO_BE32((offset + current_word) * 2);
buffer.length = IXGBE_CPU_TO_BE16(words_to_read * 2);
+ buffer.pad2 = 0;
+ buffer.pad3 = 0;
- status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
- sizeof(buffer),
- IXGBE_HI_COMMAND_TIMEOUT,
- false);
+ status = ixgbe_hic_unlocked(hw, (u32 *)&buffer, sizeof(buffer),
+ IXGBE_HI_COMMAND_TIMEOUT);
if (status) {
DEBUGOUT("Host interface command failed\n");
}
out:
- hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
+ hw->mac.ops.release_swfw_sync(hw, mask);
return status;
}
* @ptr: pointer offset in eeprom
* @size: size of section pointed by ptr, if 0 first word will be used as size
* @csum: address of checksum to update
+ * @buffer: pointer to buffer containing calculated checksum
+ * @buffer_size: size of buffer
*
* Returns error status for any failure
*/
*
* Determines physical layer capabilities of the current configuration.
**/
-u32 ixgbe_get_supported_physical_layer_X550em(struct ixgbe_hw *hw)
+u64 ixgbe_get_supported_physical_layer_X550em(struct ixgbe_hw *hw)
{
- u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
+ u64 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
u16 ext_ability = 0;
DEBUGFUNC("ixgbe_get_supported_physical_layer_X550em");
switch (hw->phy.type) {
case ixgbe_phy_x550em_kr:
+ if (hw->mac.type == ixgbe_mac_X550EM_a) {
+ if (hw->phy.nw_mng_if_sel &
+ IXGBE_NW_MNG_IF_SEL_PHY_SPEED_2_5G) {
+ physical_layer =
+ IXGBE_PHYSICAL_LAYER_2500BASE_KX;
+ break;
+ } else if (hw->device_id ==
+ IXGBE_DEV_ID_X550EM_A_KR_L) {
+ physical_layer =
+ IXGBE_PHYSICAL_LAYER_1000BASE_KX;
+ break;
+ }
+ }
+ /* fall through */
+ case ixgbe_phy_x550em_xfi:
physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KR |
IXGBE_PHYSICAL_LAYER_1000BASE_KX;
break;
if (ext_ability & IXGBE_MDIO_PHY_1000BASET_ABILITY)
physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
break;
+ case ixgbe_phy_fw:
+ if (hw->phy.speeds_supported & IXGBE_LINK_SPEED_1GB_FULL)
+ physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
+ if (hw->phy.speeds_supported & IXGBE_LINK_SPEED_100_FULL)
+ physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX;
+ if (hw->phy.speeds_supported & IXGBE_LINK_SPEED_10_FULL)
+ physical_layer |= IXGBE_PHYSICAL_LAYER_10BASE_T;
+ break;
+ case ixgbe_phy_sgmii:
+#ifdef PREBOOT_SUPPORT
+ physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX |
+ IXGBE_PHYSICAL_LAYER_100BASE_TX |
+ IXGBE_PHYSICAL_LAYER_10BASE_T;
+#else
+ physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX;
+#endif /* PREBOOT_SUPPORT */
+ break;
+ case ixgbe_phy_ext_1g_t:
+ physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
+ break;
default:
break;
}
/**
* ixgbe_disable_rx_x550 - Disable RX unit
+ * @hw: pointer to hardware structure
*
* Enables the Rx DMA unit for x550
**/
goto out;
}
- if (hw->device_id == IXGBE_DEV_ID_X550EM_X_KR) {
- ret_val = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_X550EM_X_KR:
+ case IXGBE_DEV_ID_X550EM_A_KR:
+ case IXGBE_DEV_ID_X550EM_A_KR_L:
+ ret_val = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (ret_val != IXGBE_SUCCESS)
goto out;
reg_val &= ~(IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
reg_val |= IXGBE_KRM_AN_CNTL_1_SYM_PAUSE;
if (asm_dir)
reg_val |= IXGBE_KRM_AN_CNTL_1_ASM_PAUSE;
- ret_val = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ ret_val = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
/* This device does not fully support AN. */
hw->fc.disable_fc_autoneg = true;
+ break;
+ case IXGBE_DEV_ID_X550EM_X_XFI:
+ hw->fc.disable_fc_autoneg = true;
+ break;
+ default:
+ break;
}
out:
return ret_val;
}
+/**
+ * ixgbe_fc_autoneg_backplane_x550em_a - Enable flow control IEEE clause 37
+ * @hw: pointer to hardware structure
+ *
+ * Enable flow control according to IEEE clause 37.
+ **/
+void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *hw)
+{
+ u32 link_s1, lp_an_page_low, an_cntl_1;
+ s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ ixgbe_link_speed speed;
+ bool link_up;
+
+ /* 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.disable_fc_autoneg) {
+ ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
+ "Flow control autoneg is disabled");
+ goto out;
+ }
+
+ hw->mac.ops.check_link(hw, &speed, &link_up, false);
+ if (!link_up) {
+ ERROR_REPORT1(IXGBE_ERROR_SOFTWARE, "The link is down");
+ goto out;
+ }
+
+ /* Check at auto-negotiation has completed */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_S1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &link_s1);
+
+ if (status != IXGBE_SUCCESS ||
+ (link_s1 & IXGBE_KRM_LINK_S1_MAC_AN_COMPLETE) == 0) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ goto out;
+ }
+
+ /* Read the 10g AN autoc and LP ability registers and resolve
+ * local flow control settings accordingly
+ */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &an_cntl_1);
+
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ goto out;
+ }
+
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LP_BASE_PAGE_HIGH(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &lp_an_page_low);
+
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ goto out;
+ }
+
+ status = ixgbe_negotiate_fc(hw, an_cntl_1, lp_an_page_low,
+ IXGBE_KRM_AN_CNTL_1_SYM_PAUSE,
+ IXGBE_KRM_AN_CNTL_1_ASM_PAUSE,
+ IXGBE_KRM_LP_BASE_PAGE_HIGH_SYM_PAUSE,
+ IXGBE_KRM_LP_BASE_PAGE_HIGH_ASM_PAUSE);
+
+out:
+ if (status == IXGBE_SUCCESS) {
+ hw->fc.fc_was_autonegged = true;
+ } else {
+ hw->fc.fc_was_autonegged = false;
+ hw->fc.current_mode = hw->fc.requested_mode;
+ }
+}
+
+/**
+ * ixgbe_fc_autoneg_fiber_x550em_a - passthrough FC settings
+ * @hw: pointer to hardware structure
+ *
+ **/
+void ixgbe_fc_autoneg_fiber_x550em_a(struct ixgbe_hw *hw)
+{
+ hw->fc.fc_was_autonegged = false;
+ hw->fc.current_mode = hw->fc.requested_mode;
+}
+
+/**
+ * ixgbe_fc_autoneg_sgmii_x550em_a - Enable flow control IEEE clause 37
+ * @hw: pointer to hardware structure
+ *
+ * Enable flow control according to IEEE clause 37.
+ **/
+void ixgbe_fc_autoneg_sgmii_x550em_a(struct ixgbe_hw *hw)
+{
+ s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
+ ixgbe_link_speed speed;
+ bool link_up;
+
+ /* 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.disable_fc_autoneg) {
+ ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
+ "Flow control autoneg is disabled");
+ goto out;
+ }
+
+ hw->mac.ops.check_link(hw, &speed, &link_up, false);
+ if (!link_up) {
+ ERROR_REPORT1(IXGBE_ERROR_SOFTWARE, "The link is down");
+ goto out;
+ }
+
+ /* Check if auto-negotiation has completed */
+ status = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &info);
+ if (status != IXGBE_SUCCESS ||
+ !(info[0] & FW_PHY_ACT_GET_LINK_INFO_AN_COMPLETE)) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ goto out;
+ }
+
+ /* Negotiate the flow control */
+ status = ixgbe_negotiate_fc(hw, info[0], info[0],
+ FW_PHY_ACT_GET_LINK_INFO_FC_RX,
+ FW_PHY_ACT_GET_LINK_INFO_FC_TX,
+ FW_PHY_ACT_GET_LINK_INFO_LP_FC_RX,
+ FW_PHY_ACT_GET_LINK_INFO_LP_FC_TX);
+
+out:
+ if (status == IXGBE_SUCCESS) {
+ hw->fc.fc_was_autonegged = true;
+ } else {
+ hw->fc.fc_was_autonegged = false;
+ hw->fc.current_mode = hw->fc.requested_mode;
+ }
+}
+
+/**
+ * ixgbe_setup_fc_backplane_x550em_a - Set up flow control
+ * @hw: pointer to hardware structure
+ *
+ * Called at init time to set up flow control.
+ **/
+s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw)
+{
+ s32 status = IXGBE_SUCCESS;
+ u32 an_cntl = 0;
+
+ DEBUGFUNC("ixgbe_setup_fc_backplane_x550em_a");
+
+ /* 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");
+ return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ }
+
+ 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.
+ */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &an_cntl);
+
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ return status;
+ }
+
+ /* 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. */
+ an_cntl &= ~(IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
+ IXGBE_KRM_AN_CNTL_1_ASM_PAUSE);
+ break;
+ case ixgbe_fc_tx_pause:
+ /* Tx Flow control is enabled, and Rx Flow control is
+ * disabled by software override.
+ */
+ an_cntl |= IXGBE_KRM_AN_CNTL_1_ASM_PAUSE;
+ an_cntl &= ~IXGBE_KRM_AN_CNTL_1_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. */
+ an_cntl |= IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
+ IXGBE_KRM_AN_CNTL_1_ASM_PAUSE;
+ break;
+ default:
+ ERROR_REPORT1(IXGBE_ERROR_ARGUMENT,
+ "Flow control param set incorrectly\n");
+ return IXGBE_ERR_CONFIG;
+ }
+
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, an_cntl);
+
+ /* Restart auto-negotiation. */
+ status = ixgbe_restart_an_internal_phy_x550em(hw);
+
+ return status;
+}
+
/**
* ixgbe_set_mux - Set mux for port 1 access with CS4227
* @hw: pointer to hardware structure
*
* Acquires the SWFW semaphore and get the shared phy token as needed
*/
-static s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask)
+STATIC s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask)
{
u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM;
int retries = FW_PHY_TOKEN_RETRIES;
DEBUGFUNC("ixgbe_acquire_swfw_sync_X550a");
while (--retries) {
+ status = IXGBE_SUCCESS;
if (hmask)
status = ixgbe_acquire_swfw_sync_X540(hw, hmask);
- if (status)
- break;
+ if (status) {
+ DEBUGOUT1("Could not acquire SWFW semaphore, Status = %d\n",
+ status);
+ return status;
+ }
if (!(mask & IXGBE_GSSR_TOKEN_SM))
- break;
+ return IXGBE_SUCCESS;
+
status = ixgbe_get_phy_token(hw);
- if (status != IXGBE_ERR_TOKEN_RETRY)
- break;
+ if (status == IXGBE_ERR_TOKEN_RETRY)
+ DEBUGOUT1("Could not acquire PHY token, Status = %d\n",
+ status);
+
+ if (status == IXGBE_SUCCESS)
+ return IXGBE_SUCCESS;
+
if (hmask)
ixgbe_release_swfw_sync_X540(hw, hmask);
- msec_delay(FW_PHY_TOKEN_DELAY);
+
+ if (status != IXGBE_ERR_TOKEN_RETRY) {
+ DEBUGOUT1("Unable to retry acquiring the PHY token, Status = %d\n",
+ status);
+ return status;
+ }
}
+ DEBUGOUT1("Semaphore acquisition retries failed!: PHY ID = 0x%08X\n",
+ hw->phy.id);
return status;
}
*
* Releases the SWFW semaphore and puts the shared phy token as needed
*/
-static void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask)
+STATIC void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask)
{
u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM;
ixgbe_release_swfw_sync_X540(hw, hmask);
}
+/**
+ * ixgbe_read_phy_reg_x550a - Reads specified PHY register
+ * @hw: pointer to hardware structure
+ * @reg_addr: 32 bit address of PHY register to read
+ * @device_type: 5 bit device type
+ * @phy_data: Pointer to read data from PHY register
+ *
+ * Reads a value from a specified PHY register using the SWFW lock and PHY
+ * Token. The PHY Token is needed since the MDIO is shared between to MAC
+ * instances.
+ **/
+s32 ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u16 *phy_data)
+{
+ s32 status;
+ u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM;
+
+ DEBUGFUNC("ixgbe_read_phy_reg_x550a");
+
+ if (hw->mac.ops.acquire_swfw_sync(hw, mask))
+ return IXGBE_ERR_SWFW_SYNC;
+
+ status = hw->phy.ops.read_reg_mdi(hw, reg_addr, device_type, phy_data);
+
+ hw->mac.ops.release_swfw_sync(hw, mask);
+
+ return status;
+}
+
+/**
+ * ixgbe_write_phy_reg_x550a - Writes specified PHY register
+ * @hw: pointer to hardware structure
+ * @reg_addr: 32 bit PHY register to write
+ * @device_type: 5 bit device type
+ * @phy_data: Data to write to the PHY register
+ *
+ * Writes a value to specified PHY register using the SWFW lock and PHY Token.
+ * The PHY Token is needed since the MDIO is shared between to MAC instances.
+ **/
+s32 ixgbe_write_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u16 phy_data)
+{
+ s32 status;
+ u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM;
+
+ DEBUGFUNC("ixgbe_write_phy_reg_x550a");
+
+ if (hw->mac.ops.acquire_swfw_sync(hw, mask) == IXGBE_SUCCESS) {
+ status = hw->phy.ops.write_reg_mdi(hw, reg_addr, device_type,
+ phy_data);
+ hw->mac.ops.release_swfw_sync(hw, mask);
+ } else {
+ status = IXGBE_ERR_SWFW_SYNC;
+ }
+
+ return status;
+}
+
/**
* ixgbe_handle_lasi_ext_t_x550em - Handle external Base T PHY interrupt
* @hw: pointer to hardware structure
else
force_speed = IXGBE_LINK_SPEED_1GB_FULL;
- /* If internal link mode is XFI, then setup XFI internal link. */
- if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
+ /* If X552 and internal link mode is XFI, then setup XFI internal link.
+ */
+ if (hw->mac.type == ixgbe_mac_X550EM_x &&
+ !(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
status = ixgbe_setup_ixfi_x550em(hw, &force_speed);
if (status != IXGBE_SUCCESS)
bool *link_up, bool link_up_wait_to_complete)
{
u32 status;
- u16 autoneg_status;
+ u16 i, autoneg_status = 0;
if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
return IXGBE_ERR_CONFIG;
return status;
/* MAC link is up, so check external PHY link.
- * Read this twice back to back to indicate current status.
+ * X557 PHY. Link status is latching low, and can only be used to detect
+ * link drop, and not the current status of the link without performing
+ * back-to-back reads.
*/
- status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
- &autoneg_status);
-
- if (status != IXGBE_SUCCESS)
- return status;
-
- status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
- &autoneg_status);
+ for (i = 0; i < 2; i++) {
+ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &autoneg_status);
- if (status != IXGBE_SUCCESS)
- return status;
+ if (status != IXGBE_SUCCESS)
+ return status;
+ }
/* If external PHY link is not up, then indicate link not up */
if (!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS))
ixgbe_write_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, phy_data);
- return IXGBE_SUCCESS;
+ /* Some designs have the LEDs wired to the MAC */
+ return ixgbe_led_on_generic(hw, led_idx);
}
/**
ixgbe_write_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, phy_data);
- return IXGBE_SUCCESS;
+ /* Some designs have the LEDs wired to the MAC */
+ return ixgbe_led_off_generic(hw, led_idx);
}
+/**
+ * ixgbe_set_fw_drv_ver_x550 - Sends driver version to firmware
+ * @hw: pointer to the HW structure
+ * @maj: driver version major number
+ * @min: driver version minor number
+ * @build: driver version build number
+ * @sub: driver version sub build number
+ * @len: length of driver_ver string
+ * @driver_ver: driver string
+ *
+ * Sends driver version number to firmware through the manageability
+ * block. On success return IXGBE_SUCCESS
+ * else returns IXGBE_ERR_SWFW_SYNC when encountering an error acquiring
+ * semaphore or IXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
+ **/
+s32 ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min,
+ u8 build, u8 sub, u16 len, const char *driver_ver)
+{
+ struct ixgbe_hic_drv_info2 fw_cmd;
+ s32 ret_val = IXGBE_SUCCESS;
+ int i;
+
+ DEBUGFUNC("ixgbe_set_fw_drv_ver_x550");
+
+ if ((len == 0) || (driver_ver == NULL) ||
+ (len > sizeof(fw_cmd.driver_string)))
+ return IXGBE_ERR_INVALID_ARGUMENT;
+
+ fw_cmd.hdr.cmd = FW_CEM_CMD_DRIVER_INFO;
+ fw_cmd.hdr.buf_len = FW_CEM_CMD_DRIVER_INFO_LEN + len;
+ fw_cmd.hdr.cmd_or_resp.cmd_resv = FW_CEM_CMD_RESERVED;
+ fw_cmd.port_num = (u8)hw->bus.func;
+ fw_cmd.ver_maj = maj;
+ fw_cmd.ver_min = min;
+ fw_cmd.ver_build = build;
+ fw_cmd.ver_sub = sub;
+ fw_cmd.hdr.checksum = 0;
+ memcpy(fw_cmd.driver_string, driver_ver, len);
+ fw_cmd.hdr.checksum = ixgbe_calculate_checksum((u8 *)&fw_cmd,
+ (FW_CEM_HDR_LEN + fw_cmd.hdr.buf_len));
+
+ for (i = 0; i <= FW_CEM_MAX_RETRIES; i++) {
+ ret_val = ixgbe_host_interface_command(hw, (u32 *)&fw_cmd,
+ sizeof(fw_cmd),
+ IXGBE_HI_COMMAND_TIMEOUT,
+ true);
+ if (ret_val != IXGBE_SUCCESS)
+ continue;
+
+ if (fw_cmd.hdr.cmd_or_resp.ret_status ==
+ FW_CEM_RESP_STATUS_SUCCESS)
+ ret_val = IXGBE_SUCCESS;
+ else
+ ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
+
+ break;
+ }
+
+ return ret_val;
+}
Code Review / deb_dpdk.git / blobdiff