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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * QLogic qlcnic NIC Driver4 * Copyright (c) 2009-2013 QLogic Corporation5 */6 7#include "qlcnic.h"8#include "qlcnic_hw.h"9 10static int qlcnic_83xx_enable_vnic_mode(struct qlcnic_adapter *adapter, int lock)11{12 if (lock) {13 if (qlcnic_83xx_lock_driver(adapter))14 return -EBUSY;15 }16 QLCWRX(adapter->ahw, QLC_83XX_VNIC_STATE, QLCNIC_DEV_NPAR_OPER);17 if (lock)18 qlcnic_83xx_unlock_driver(adapter);19 20 return 0;21}22 23int qlcnic_83xx_disable_vnic_mode(struct qlcnic_adapter *adapter, int lock)24{25 struct qlcnic_hardware_context *ahw = adapter->ahw;26 27 if (lock) {28 if (qlcnic_83xx_lock_driver(adapter))29 return -EBUSY;30 }31 32 QLCWRX(adapter->ahw, QLC_83XX_VNIC_STATE, QLCNIC_DEV_NPAR_NON_OPER);33 ahw->idc.vnic_state = QLCNIC_DEV_NPAR_NON_OPER;34 35 if (lock)36 qlcnic_83xx_unlock_driver(adapter);37 38 return 0;39}40 41int qlcnic_83xx_set_vnic_opmode(struct qlcnic_adapter *adapter)42{43 u8 id;44 int ret = -EBUSY;45 u32 data = QLCNIC_MGMT_FUNC;46 struct qlcnic_hardware_context *ahw = adapter->ahw;47 48 if (qlcnic_83xx_lock_driver(adapter))49 return ret;50 51 id = ahw->pci_func;52 data = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE);53 data = (data & ~QLC_83XX_SET_FUNC_OPMODE(0x3, id)) |54 QLC_83XX_SET_FUNC_OPMODE(QLCNIC_MGMT_FUNC, id);55 56 QLCWRX(adapter->ahw, QLC_83XX_DRV_OP_MODE, data);57 58 qlcnic_83xx_unlock_driver(adapter);59 60 return 0;61}62 63static void64qlcnic_83xx_config_vnic_buff_descriptors(struct qlcnic_adapter *adapter)65{66 struct qlcnic_hardware_context *ahw = adapter->ahw;67 68 if (ahw->port_type == QLCNIC_XGBE) {69 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;70 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;71 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;72 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;73 74 } else if (ahw->port_type == QLCNIC_GBE) {75 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;76 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;77 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;78 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;79 }80 adapter->num_txd = MAX_CMD_DESCRIPTORS;81 adapter->max_rds_rings = MAX_RDS_RINGS;82}83 84 85/**86 * qlcnic_83xx_init_mgmt_vnic87 *88 * @adapter: adapter structure89 * Management virtual NIC sets the operational mode of other vNIC's and90 * configures embedded switch (ESWITCH).91 * Returns: Success(0) or error code.92 *93 **/94static int qlcnic_83xx_init_mgmt_vnic(struct qlcnic_adapter *adapter)95{96 struct qlcnic_hardware_context *ahw = adapter->ahw;97 struct device *dev = &adapter->pdev->dev;98 struct qlcnic_npar_info *npar;99 int i, err = -EIO;100 101 qlcnic_83xx_get_minidump_template(adapter);102 103 if (!(adapter->flags & QLCNIC_ADAPTER_INITIALIZED)) {104 if (qlcnic_init_pci_info(adapter))105 return err;106 107 npar = adapter->npars;108 109 for (i = 0; i < ahw->total_nic_func; i++, npar++) {110 dev_info(dev, "id:%d active:%d type:%d port:%d min_bw:%d max_bw:%d mac_addr:%pM\n",111 npar->pci_func, npar->active, npar->type,112 npar->phy_port, npar->min_bw, npar->max_bw,113 npar->mac);114 }115 116 dev_info(dev, "Max functions = %d, active functions = %d\n",117 ahw->max_pci_func, ahw->total_nic_func);118 119 if (qlcnic_83xx_set_vnic_opmode(adapter))120 return err;121 122 if (qlcnic_set_default_offload_settings(adapter))123 return err;124 } else {125 if (qlcnic_reset_npar_config(adapter))126 return err;127 }128 129 if (qlcnic_83xx_get_port_info(adapter))130 return err;131 132 qlcnic_83xx_config_vnic_buff_descriptors(adapter);133 ahw->msix_supported = qlcnic_use_msi_x ? 1 : 0;134 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;135 qlcnic_83xx_enable_vnic_mode(adapter, 1);136 137 dev_info(dev, "HAL Version: %d, Management function\n",138 ahw->fw_hal_version);139 140 return 0;141}142 143static int qlcnic_83xx_init_privileged_vnic(struct qlcnic_adapter *adapter)144{145 int err = -EIO;146 147 qlcnic_83xx_get_minidump_template(adapter);148 if (qlcnic_83xx_get_port_info(adapter))149 return err;150 151 qlcnic_83xx_config_vnic_buff_descriptors(adapter);152 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;153 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;154 155 dev_info(&adapter->pdev->dev,156 "HAL Version: %d, Privileged function\n",157 adapter->ahw->fw_hal_version);158 return 0;159}160 161static int qlcnic_83xx_init_non_privileged_vnic(struct qlcnic_adapter *adapter)162{163 int err = -EIO;164 165 qlcnic_83xx_get_fw_version(adapter);166 if (qlcnic_set_eswitch_port_config(adapter))167 return err;168 169 if (qlcnic_83xx_get_port_info(adapter))170 return err;171 172 qlcnic_83xx_config_vnic_buff_descriptors(adapter);173 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;174 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;175 176 dev_info(&adapter->pdev->dev, "HAL Version: %d, Virtual function\n",177 adapter->ahw->fw_hal_version);178 179 return 0;180}181 182/**183 * qlcnic_83xx_config_vnic_opmode184 *185 * @adapter: adapter structure186 * Identify virtual NIC operational modes.187 *188 * Returns: Success(0) or error code.189 *190 **/191int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *adapter)192{193 u32 op_mode, priv_level;194 struct qlcnic_hardware_context *ahw = adapter->ahw;195 struct qlcnic_nic_template *nic_ops = adapter->nic_ops;196 197 qlcnic_get_func_no(adapter);198 op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE);199 200 if (op_mode == QLC_83XX_DEFAULT_OPMODE)201 priv_level = QLCNIC_MGMT_FUNC;202 else203 priv_level = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode,204 ahw->pci_func);205 switch (priv_level) {206 case QLCNIC_NON_PRIV_FUNC:207 ahw->op_mode = QLCNIC_NON_PRIV_FUNC;208 ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;209 nic_ops->init_driver = qlcnic_83xx_init_non_privileged_vnic;210 break;211 case QLCNIC_PRIV_FUNC:212 ahw->op_mode = QLCNIC_PRIV_FUNC;213 ahw->idc.state_entry = qlcnic_83xx_idc_vnic_pf_entry;214 nic_ops->init_driver = qlcnic_83xx_init_privileged_vnic;215 break;216 case QLCNIC_MGMT_FUNC:217 ahw->op_mode = QLCNIC_MGMT_FUNC;218 ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;219 nic_ops->init_driver = qlcnic_83xx_init_mgmt_vnic;220 break;221 default:222 dev_err(&adapter->pdev->dev, "Invalid Virtual NIC opmode\n");223 return -EIO;224 }225 226 if (ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY) {227 adapter->flags |= QLCNIC_ESWITCH_ENABLED;228 if (adapter->drv_mac_learn)229 adapter->rx_mac_learn = true;230 } else {231 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;232 adapter->rx_mac_learn = false;233 }234 235 ahw->idc.vnic_state = QLCNIC_DEV_NPAR_NON_OPER;236 ahw->idc.vnic_wait_limit = QLCNIC_DEV_NPAR_OPER_TIMEO;237 238 return 0;239}240 241int qlcnic_83xx_check_vnic_state(struct qlcnic_adapter *adapter)242{243 struct qlcnic_hardware_context *ahw = adapter->ahw;244 struct qlc_83xx_idc *idc = &ahw->idc;245 u32 state;246 247 state = QLCRDX(ahw, QLC_83XX_VNIC_STATE);248 while (state != QLCNIC_DEV_NPAR_OPER && idc->vnic_wait_limit) {249 idc->vnic_wait_limit--;250 msleep(1000);251 state = QLCRDX(ahw, QLC_83XX_VNIC_STATE);252 }253 254 if (state != QLCNIC_DEV_NPAR_OPER) {255 dev_err(&adapter->pdev->dev,256 "vNIC mode not operational, state check timed out.\n");257 return -EIO;258 }259 260 return 0;261}262 263int qlcnic_83xx_set_port_eswitch_status(struct qlcnic_adapter *adapter,264 int func, int *port_id)265{266 struct qlcnic_info nic_info;267 int err = 0;268 269 memset(&nic_info, 0, sizeof(struct qlcnic_info));270 271 err = qlcnic_get_nic_info(adapter, &nic_info, func);272 if (err)273 return err;274 275 if (nic_info.capabilities & QLC_83XX_ESWITCH_CAPABILITY)276 *port_id = nic_info.phys_port;277 else278 err = -EIO;279 280 if (!err)281 adapter->eswitch[*port_id].flags |= QLCNIC_SWITCH_ENABLE;282 283 return err;284}285