forked from Minki/linux
35dafcb0a9
There is an embedded switch per physical port on the adapter. Add support for enabling and disabling the embedded switch on per port basis. Signed-off-by: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
280 lines
6.8 KiB
C
280 lines
6.8 KiB
C
/*
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* QLogic qlcnic NIC Driver
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* Copyright (c) 2009-2013 QLogic Corporation
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*
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* See LICENSE.qlcnic for copyright and licensing details.
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*/
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#include "qlcnic.h"
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#include "qlcnic_hw.h"
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int qlcnic_83xx_enable_vnic_mode(struct qlcnic_adapter *adapter, int lock)
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{
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if (lock) {
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if (qlcnic_83xx_lock_driver(adapter))
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return -EBUSY;
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}
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QLCWRX(adapter->ahw, QLC_83XX_VNIC_STATE, QLCNIC_DEV_NPAR_OPER);
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if (lock)
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qlcnic_83xx_unlock_driver(adapter);
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return 0;
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}
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int qlcnic_83xx_disable_vnic_mode(struct qlcnic_adapter *adapter, int lock)
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{
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struct qlcnic_hardware_context *ahw = adapter->ahw;
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if (lock) {
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if (qlcnic_83xx_lock_driver(adapter))
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return -EBUSY;
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}
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QLCWRX(adapter->ahw, QLC_83XX_VNIC_STATE, QLCNIC_DEV_NPAR_NON_OPER);
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ahw->idc.vnic_state = QLCNIC_DEV_NPAR_NON_OPER;
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if (lock)
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qlcnic_83xx_unlock_driver(adapter);
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return 0;
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}
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int qlcnic_83xx_set_vnic_opmode(struct qlcnic_adapter *adapter)
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{
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u8 id;
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int ret = -EBUSY;
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u32 data = QLCNIC_MGMT_FUNC;
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struct qlcnic_hardware_context *ahw = adapter->ahw;
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if (qlcnic_83xx_lock_driver(adapter))
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return ret;
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id = ahw->pci_func;
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data = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE);
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data = (data & ~QLC_83XX_SET_FUNC_OPMODE(0x3, id)) |
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QLC_83XX_SET_FUNC_OPMODE(QLCNIC_MGMT_FUNC, id);
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QLCWRX(adapter->ahw, QLC_83XX_DRV_OP_MODE, data);
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qlcnic_83xx_unlock_driver(adapter);
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return 0;
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}
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static void
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qlcnic_83xx_config_vnic_buff_descriptors(struct qlcnic_adapter *adapter)
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{
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struct qlcnic_hardware_context *ahw = adapter->ahw;
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if (ahw->port_type == QLCNIC_XGBE) {
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adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
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adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
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adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
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adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
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} else if (ahw->port_type == QLCNIC_GBE) {
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adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
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adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
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adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
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adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
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}
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adapter->num_txd = MAX_CMD_DESCRIPTORS;
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adapter->max_rds_rings = MAX_RDS_RINGS;
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}
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/**
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* qlcnic_83xx_init_mgmt_vnic
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*
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* @adapter: adapter structure
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* Management virtual NIC sets the operational mode of other vNIC's and
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* configures embedded switch (ESWITCH).
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* Returns: Success(0) or error code.
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*
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**/
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static int qlcnic_83xx_init_mgmt_vnic(struct qlcnic_adapter *adapter)
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{
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int err = -EIO;
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qlcnic_83xx_get_minidump_template(adapter);
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if (!(adapter->flags & QLCNIC_ADAPTER_INITIALIZED)) {
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if (qlcnic_init_pci_info(adapter))
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return err;
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if (qlcnic_83xx_set_vnic_opmode(adapter))
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return err;
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if (qlcnic_set_default_offload_settings(adapter))
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return err;
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} else {
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if (qlcnic_reset_npar_config(adapter))
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return err;
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}
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if (qlcnic_83xx_get_port_info(adapter))
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return err;
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qlcnic_83xx_config_vnic_buff_descriptors(adapter);
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adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
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adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
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qlcnic_83xx_enable_vnic_mode(adapter, 1);
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dev_info(&adapter->pdev->dev, "HAL Version: %d, Management function\n",
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adapter->ahw->fw_hal_version);
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return 0;
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}
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static int qlcnic_83xx_init_privileged_vnic(struct qlcnic_adapter *adapter)
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{
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int err = -EIO;
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qlcnic_83xx_get_minidump_template(adapter);
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if (qlcnic_83xx_get_port_info(adapter))
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return err;
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qlcnic_83xx_config_vnic_buff_descriptors(adapter);
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adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
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adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
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dev_info(&adapter->pdev->dev,
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"HAL Version: %d, Privileged function\n",
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adapter->ahw->fw_hal_version);
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return 0;
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}
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static int qlcnic_83xx_init_non_privileged_vnic(struct qlcnic_adapter *adapter)
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{
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int err = -EIO;
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qlcnic_83xx_get_fw_version(adapter);
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if (qlcnic_set_eswitch_port_config(adapter))
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return err;
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if (qlcnic_83xx_get_port_info(adapter))
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return err;
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qlcnic_83xx_config_vnic_buff_descriptors(adapter);
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adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
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adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
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dev_info(&adapter->pdev->dev, "HAL Version: %d, Virtual function\n",
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adapter->ahw->fw_hal_version);
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return 0;
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}
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/**
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* qlcnic_83xx_vnic_opmode
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*
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* @adapter: adapter structure
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* Identify virtual NIC operational modes.
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*
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* Returns: Success(0) or error code.
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*
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**/
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int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *adapter)
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{
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u32 op_mode, priv_level;
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struct qlcnic_hardware_context *ahw = adapter->ahw;
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struct qlcnic_nic_template *nic_ops = adapter->nic_ops;
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qlcnic_get_func_no(adapter);
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op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE);
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if (op_mode == QLC_83XX_DEFAULT_OPMODE)
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priv_level = QLCNIC_MGMT_FUNC;
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else
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priv_level = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode,
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ahw->pci_func);
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switch (priv_level) {
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case QLCNIC_NON_PRIV_FUNC:
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ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
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ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
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nic_ops->init_driver = qlcnic_83xx_init_non_privileged_vnic;
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break;
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case QLCNIC_PRIV_FUNC:
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ahw->op_mode = QLCNIC_PRIV_FUNC;
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ahw->idc.state_entry = qlcnic_83xx_idc_vnic_pf_entry;
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nic_ops->init_driver = qlcnic_83xx_init_privileged_vnic;
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break;
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case QLCNIC_MGMT_FUNC:
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ahw->op_mode = QLCNIC_MGMT_FUNC;
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ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
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nic_ops->init_driver = qlcnic_83xx_init_mgmt_vnic;
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break;
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default:
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dev_err(&adapter->pdev->dev, "Invalid Virtual NIC opmode\n");
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return -EIO;
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}
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if (ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY)
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adapter->flags |= QLCNIC_ESWITCH_ENABLED;
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else
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adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
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ahw->idc.vnic_state = QLCNIC_DEV_NPAR_NON_OPER;
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ahw->idc.vnic_wait_limit = QLCNIC_DEV_NPAR_OPER_TIMEO;
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return 0;
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}
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int qlcnic_83xx_check_vnic_state(struct qlcnic_adapter *adapter)
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{
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struct qlcnic_hardware_context *ahw = adapter->ahw;
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struct qlc_83xx_idc *idc = &ahw->idc;
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u32 state;
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state = QLCRDX(ahw, QLC_83XX_VNIC_STATE);
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while (state != QLCNIC_DEV_NPAR_OPER && idc->vnic_wait_limit--) {
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msleep(1000);
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state = QLCRDX(ahw, QLC_83XX_VNIC_STATE);
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}
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if (!idc->vnic_wait_limit) {
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dev_err(&adapter->pdev->dev,
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"vNIC mode not operational, state check timed out.\n");
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return -EIO;
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}
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return 0;
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}
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static int qlcnic_83xx_get_eswitch_port_info(struct qlcnic_adapter *adapter,
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int func, int *port_id)
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{
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struct qlcnic_info nic_info;
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int err = 0;
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memset(&nic_info, 0, sizeof(struct qlcnic_info));
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err = qlcnic_get_nic_info(adapter, &nic_info, func);
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if (err)
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return err;
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if (nic_info.capabilities & QLC_83XX_ESWITCH_CAPABILITY)
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*port_id = nic_info.phys_port;
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else
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err = -EIO;
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return err;
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}
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int qlcnic_83xx_enable_port_eswitch(struct qlcnic_adapter *adapter, int func)
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{
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int id, err = 0;
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err = qlcnic_83xx_get_eswitch_port_info(adapter, func, &id);
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if (err)
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return err;
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if (!(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE)) {
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if (!qlcnic_enable_eswitch(adapter, id, 1))
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adapter->eswitch[id].flags |= QLCNIC_SWITCH_ENABLE;
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else
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err = -EIO;
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}
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return err;
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}
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