Release 4.7 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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