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Release 4.11 drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c

/*
 * QLogic qlcnic NIC Driver
 * Copyright (c) 2009-2013 QLogic Corporation
 *
 * See LICENSE.qlcnic for copyright and licensing details.
 */

#include "qlcnic.h"
#include "qlcnic_hw.h"


static int qlcnic_83xx_enable_vnic_mode(struct qlcnic_adapter *adapter, int lock) { if (lock) { if (qlcnic_83xx_lock_driver(adapter)) return -EBUSY; } QLCWRX(adapter->ahw, QLC_83XX_VNIC_STATE, QLCNIC_DEV_NPAR_OPER); if (lock) qlcnic_83xx_unlock_driver(adapter); return 0; }

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int qlcnic_83xx_disable_vnic_mode(struct qlcnic_adapter *adapter, int lock) { struct qlcnic_hardware_context *ahw = adapter->ahw; if (lock) { if (qlcnic_83xx_lock_driver(adapter)) return -EBUSY; } QLCWRX(adapter->ahw, QLC_83XX_VNIC_STATE, QLCNIC_DEV_NPAR_NON_OPER); ahw->idc.vnic_state = QLCNIC_DEV_NPAR_NON_OPER; if (lock) qlcnic_83xx_unlock_driver(adapter); return 0; }

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int qlcnic_83xx_set_vnic_opmode(struct qlcnic_adapter *adapter) { u8 id; int ret = -EBUSY; u32 data = QLCNIC_MGMT_FUNC; struct qlcnic_hardware_context *ahw = adapter->ahw; if (qlcnic_83xx_lock_driver(adapter)) return ret; id = ahw->pci_func; data = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE); data = (data & ~QLC_83XX_SET_FUNC_OPMODE(0x3, id)) | QLC_83XX_SET_FUNC_OPMODE(QLCNIC_MGMT_FUNC, id); QLCWRX(adapter->ahw, QLC_83XX_DRV_OP_MODE, data); qlcnic_83xx_unlock_driver(adapter); return 0; }

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static void qlcnic_83xx_config_vnic_buff_descriptors(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; if (ahw->port_type == QLCNIC_XGBE) { adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; } else if (ahw->port_type == QLCNIC_GBE) { adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; } adapter->num_txd = MAX_CMD_DESCRIPTORS; adapter->max_rds_rings = MAX_RDS_RINGS; }

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/** * qlcnic_83xx_init_mgmt_vnic * * @adapter: adapter structure * Management virtual NIC sets the operational mode of other vNIC's and * configures embedded switch (ESWITCH). * Returns: Success(0) or error code. * **/
static int qlcnic_83xx_init_mgmt_vnic(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct device *dev = &adapter->pdev->dev; struct qlcnic_npar_info *npar; int i, err = -EIO; qlcnic_83xx_get_minidump_template(adapter); if (!(adapter->flags & QLCNIC_ADAPTER_INITIALIZED)) { if (qlcnic_init_pci_info(adapter)) return err; npar = adapter->npars; for (i = 0; i < ahw->total_nic_func; i++, npar++) { dev_info(dev, "id:%d active:%d type:%d port:%d min_bw:%d max_bw:%d mac_addr:%pM\n", npar->pci_func, npar->active, npar->type, npar->phy_port, npar->min_bw, npar->max_bw, npar->mac); } dev_info(dev, "Max functions = %d, active functions = %d\n", ahw->max_pci_func, ahw->total_nic_func); if (qlcnic_83xx_set_vnic_opmode(adapter)) return err; if (qlcnic_set_default_offload_settings(adapter)) return err; } else { if (qlcnic_reset_npar_config(adapter)) return err; } if (qlcnic_83xx_get_port_info(adapter)) return err; qlcnic_83xx_config_vnic_buff_descriptors(adapter); ahw->msix_supported = qlcnic_use_msi_x ? 1 : 0; adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; qlcnic_83xx_enable_vnic_mode(adapter, 1); dev_info(dev, "HAL Version: %d, Management function\n", ahw->fw_hal_version); return 0; }

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static int qlcnic_83xx_init_privileged_vnic(struct qlcnic_adapter *adapter) { int err = -EIO; qlcnic_83xx_get_minidump_template(adapter); if (qlcnic_83xx_get_port_info(adapter)) return err; qlcnic_83xx_config_vnic_buff_descriptors(adapter); adapter->ahw->msix_supported = !!qlcnic_use_msi_x; adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; dev_info(&adapter->pdev->dev, "HAL Version: %d, Privileged function\n", adapter->ahw->fw_hal_version); return 0; }

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static int qlcnic_83xx_init_non_privileged_vnic(struct qlcnic_adapter *adapter) { int err = -EIO; qlcnic_83xx_get_fw_version(adapter); if (qlcnic_set_eswitch_port_config(adapter)) return err; if (qlcnic_83xx_get_port_info(adapter)) return err; qlcnic_83xx_config_vnic_buff_descriptors(adapter); adapter->ahw->msix_supported = !!qlcnic_use_msi_x; adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; dev_info(&adapter->pdev->dev, "HAL Version: %d, Virtual function\n", adapter->ahw->fw_hal_version); return 0; }

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/** * qlcnic_83xx_vnic_opmode * * @adapter: adapter structure * Identify virtual NIC operational modes. * * Returns: Success(0) or error code. * **/
int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *adapter) { u32 op_mode, priv_level; struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlcnic_nic_template *nic_ops = adapter->nic_ops; qlcnic_get_func_no(adapter); op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE); if (op_mode == QLC_83XX_DEFAULT_OPMODE) priv_level = QLCNIC_MGMT_FUNC; else priv_level = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode, ahw->pci_func); switch (priv_level) { case QLCNIC_NON_PRIV_FUNC: ahw->op_mode = QLCNIC_NON_PRIV_FUNC; ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; nic_ops->init_driver = qlcnic_83xx_init_non_privileged_vnic; break; case QLCNIC_PRIV_FUNC: ahw->op_mode = QLCNIC_PRIV_FUNC; ahw->idc.state_entry = qlcnic_83xx_idc_vnic_pf_entry; nic_ops->init_driver = qlcnic_83xx_init_privileged_vnic; break; case QLCNIC_MGMT_FUNC: ahw->op_mode = QLCNIC_MGMT_FUNC; ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; nic_ops->init_driver = qlcnic_83xx_init_mgmt_vnic; break; default: dev_err(&adapter->pdev->dev, "Invalid Virtual NIC opmode\n"); return -EIO; } if (ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY) { adapter->flags |= QLCNIC_ESWITCH_ENABLED; if (adapter->drv_mac_learn) adapter->rx_mac_learn = true; } else { adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; adapter->rx_mac_learn = false; } ahw->idc.vnic_state = QLCNIC_DEV_NPAR_NON_OPER; ahw->idc.vnic_wait_limit = QLCNIC_DEV_NPAR_OPER_TIMEO; return 0; }

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int qlcnic_83xx_check_vnic_state(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlc_83xx_idc *idc = &ahw->idc; u32 state; state = QLCRDX(ahw, QLC_83XX_VNIC_STATE); while (state != QLCNIC_DEV_NPAR_OPER && idc->vnic_wait_limit) { idc->vnic_wait_limit--; msleep(1000); state = QLCRDX(ahw, QLC_83XX_VNIC_STATE); } if (state != QLCNIC_DEV_NPAR_OPER) { dev_err(&adapter->pdev->dev, "vNIC mode not operational, state check timed out.\n"); return -EIO; } return 0; }

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int qlcnic_83xx_set_port_eswitch_status(struct qlcnic_adapter *adapter, int func, int *port_id) { struct qlcnic_info nic_info; int err = 0; memset(&nic_info, 0, sizeof(struct qlcnic_info)); err = qlcnic_get_nic_info(adapter, &nic_info, func); if (err) return err; if (nic_info.capabilities & QLC_83XX_ESWITCH_CAPABILITY) *port_id = nic_info.phys_port; else err = -EIO; if (!err) adapter->eswitch[*port_id].flags |= QLCNIC_SWITCH_ENABLE; return err; }

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