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Message-Id: <1351818414-25197-20-git-send-email-sony.chacko@qlogic.com>
Date: Thu, 1 Nov 2012 21:06:51 -0400
From: Sony Chacko <sony.chacko@...gic.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, Dept_NX_Linux_NIC_Driver@...gic.com,
Sony Chacko <sony.chacko@...gic.com>
Subject: [PATCH V5 19/22] qlcnic: enable 83xx virtual NIC mode
From: Sony Chacko <sony.chacko@...gic.com>
Enable 83xx virtual NIC mode
Signed-off-by: Rajesh Borundia <rajesh.borundia@...gic.com>
Signed-off-by: Sony Chacko <sony.chacko@...gic.com>
---
drivers/net/ethernet/qlogic/qlcnic/Makefile | 3 +-
drivers/net/ethernet/qlogic/qlcnic/qlcnic.h | 4 +
.../net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h | 7 +
.../net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c | 53 +++++-
.../net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c | 216 ++++++++++++++++++++
5 files changed, 281 insertions(+), 2 deletions(-)
create mode 100644 drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
diff --git a/drivers/net/ethernet/qlogic/qlcnic/Makefile b/drivers/net/ethernet/qlogic/qlcnic/Makefile
index 9a03a72..4fb61dc 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/Makefile
+++ b/drivers/net/ethernet/qlogic/qlcnic/Makefile
@@ -6,4 +6,5 @@ obj-$(CONFIG_QLCNIC) := qlcnic.o
qlcnic-y := qlcnic_hw.o qlcnic_main.o qlcnic_init.o \
qlcnic_ethtool.o qlcnic_ctx.o qlcnic_io.o \
- qlcnic_sysfs.o qlcnic_83xx_hw.o qlcnic_83xx_init.o
+ qlcnic_sysfs.o qlcnic_83xx_hw.o qlcnic_83xx_init.o \
+ qlcnic_83xx_vnic.o
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 504a808..8438651 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -390,6 +390,7 @@ extern int qlcnic_use_msi;
extern int qlcnic_use_msi_x;
extern int qlcnic_auto_fw_reset;
extern int qlcnic_load_fw_file;
+extern int qlcnic_config_npars;
/* Number of status descriptors to handle per interrupt */
#define MAX_STATUS_HANDLE (64)
@@ -1618,6 +1619,9 @@ void qlcnic_restore_indev_addr(struct net_device *, unsigned long);
int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32);
int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32);
+int qlcnic_init_pci_info(struct qlcnic_adapter *);
+int qlcnic_set_default_offload_settings(struct qlcnic_adapter *);
+int qlcnic_reset_npar_config(struct qlcnic_adapter *);
/*
* QLOGIC Board information
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
index 1952348..f88e126 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
@@ -578,4 +578,11 @@ int qlcnic_83xx_lock_driver(struct qlcnic_adapter *);
void qlcnic_83xx_unlock_driver(struct qlcnic_adapter *);
int qlcnic_83xx_set_default_offload_settings(struct qlcnic_adapter *);
int qlcnic_83xx_ms_mem_write128(struct qlcnic_adapter *, u64, u32 *, u32);
+int qlcnic_83xx_idc_vnic_pf_entry(struct qlcnic_adapter *);
+int qlcnic_83xx_enable_vnic_mode(struct qlcnic_adapter *, int);
+int qlcnic_83xx_disable_vnic_mode(struct qlcnic_adapter *, int);
+int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *);
+int qlcnic_83xx_get_vnic_vport_info(struct qlcnic_adapter *,
+ struct qlcnic_info *, u8);
+int qlcnic_83xx_get_vnic_pf_info(struct qlcnic_adapter *, struct qlcnic_info *);
#endif
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
index 9fa3dd7..c16b8ee 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
@@ -577,6 +577,52 @@ int qlcnic_83xx_idc_ready_state_entry(struct qlcnic_adapter *adapter)
return 0;
}
+/**
+ * qlcnic_83xx_idc_vnic_pf_entry
+ *
+ * @adapter: adapter structure
+ *
+ * Ensure vNIC mode privileged function starts only after vNIC mode is
+ * enabled by management function.
+ * If vNIC mode is ready, start initialization.
+ *
+ * Returns: -EIO or 0
+ *
+ **/
+int qlcnic_83xx_idc_vnic_pf_entry(struct qlcnic_adapter *adapter)
+{
+ u32 state;
+ struct qlcnic_hardware_context *ahw = adapter->ahw;
+
+ /* Privileged function waits till mgmt function enables VNIC mode */
+ state = QLCRDX(adapter->ahw, QLC_83XX_VNIC_STATE);
+ if (state != QLCNIC_DEV_NPAR_OPER) {
+ if (!ahw->idc.vnic_wait_limit--) {
+ qlcnic_83xx_idc_enter_failed_state(adapter, 1);
+ return -EIO;
+ }
+ dev_info(&adapter->pdev->dev, "vNIC mode disabled\n");
+ return -EIO;
+
+ } else {
+ /* Perform one time initialization from ready state */
+ if (ahw->idc.vnic_state != QLCNIC_DEV_NPAR_OPER) {
+ qlcnic_83xx_idc_update_idc_params(adapter);
+
+ /* If the previous state is UNKNOWN, device will be
+ already attached properly by Init routine*/
+ if (ahw->idc.prev_state != QLC_83XX_IDC_DEV_UNKNOWN) {
+ if (qlcnic_83xx_idc_reattach_driver(adapter))
+ return -EIO;
+ }
+ adapter->ahw->idc.vnic_state = QLCNIC_DEV_NPAR_OPER;
+ dev_info(&adapter->pdev->dev, "vNIC mode enabled\n");
+ }
+ }
+
+ return 0;
+}
+
static int qlcnic_83xx_idc_unknown_state(struct qlcnic_adapter *adapter)
{
adapter->ahw->idc.err_code = -EIO;
@@ -736,6 +782,8 @@ static int qlcnic_83xx_idc_need_reset_state(struct qlcnic_adapter *adapter)
qlcnic_83xx_idc_update_audit_reg(adapter, 0, 1);
set_bit(__QLCNIC_RESETTING, &adapter->state);
clear_bit(QLC_83XX_MBX_READY, &adapter->ahw->idc.status);
+ if (adapter->ahw->nic_mode == QLC_83XX_VIRTUAL_NIC_MODE)
+ qlcnic_83xx_disable_vnic_mode(adapter, 1);
qlcnic_83xx_idc_detach_driver(adapter);
}
@@ -1820,7 +1868,10 @@ static int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter)
if (ret == -EIO)
return -EIO;
- if (ret == QLC_83XX_DEFAULT_MODE) {
+ if (ret == QLC_83XX_VIRTUAL_NIC_MODE) {
+ if (qlcnic_83xx_config_vnic_opmode(adapter))
+ return -EIO;
+ } else if (ret == QLC_83XX_DEFAULT_MODE) {
if (qlcnic_83xx_config_default_opmode(adapter))
return -EIO;
}
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
new file mode 100644
index 0000000..d394471
--- /dev/null
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
@@ -0,0 +1,216 @@
+#include "qlcnic.h"
+#include "qlcnic_hw.h"
+
+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;
+}
+
+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;
+}
+
+static int qlcnic_83xx_set_vnic_opmode(struct qlcnic_adapter *adapter)
+{
+ u8 id;
+ int i, ret = -EBUSY;
+ u32 data = QLCNIC_MGMT_FUNC;
+ struct qlcnic_hardware_context *ahw = adapter->ahw;
+
+ if (qlcnic_83xx_lock_driver(adapter))
+ return ret;
+
+ if (qlcnic_config_npars) {
+ for (i = 0; i < ahw->act_pci_func; i++) {
+ id = adapter->npars[i].pci_func;
+ if (id == ahw->pci_func)
+ continue;
+ data |= qlcnic_config_npars &
+ QLC_83XX_SET_FUNC_OPMODE(0x3, id);
+ }
+ } else {
+ data = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE);
+ data = (data & ~QLC_83XX_SET_FUNC_OPMODE(0x3, ahw->pci_func)) |
+ QLC_83XX_SET_FUNC_OPMODE(QLCNIC_MGMT_FUNC,
+ ahw->pci_func);
+ }
+ QLCWRX(adapter->ahw, QLC_83XX_DRV_OP_MODE, data);
+
+ qlcnic_83xx_unlock_driver(adapter);
+
+ return 0;
+}
+
+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;
+}
+
+
+/**
+ * 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)
+{
+ int err = -EIO;
+
+ if (!(adapter->flags & QLCNIC_ADAPTER_INITIALIZED)) {
+ if (qlcnic_init_pci_info(adapter))
+ return err;
+
+ 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);
+ adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
+ adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
+ qlcnic_83xx_enable_vnic_mode(adapter, 1);
+
+ dev_info(&adapter->pdev->dev, "HAL Version: %d, Management function\n",
+ adapter->ahw->fw_hal_version);
+
+ return 0;
+}
+
+static int qlcnic_83xx_init_privileged_vnic(struct qlcnic_adapter *adapter)
+{
+ int err = -EIO;
+
+ 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;
+}
+
+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;
+}
+
+/**
+ * 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);
+
+ if (priv_level == 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;
+ } else if (priv_level == 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;
+ } else if (priv_level == 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;
+ } else {
+ return -EIO;
+ }
+
+ if (ahw->capabilities & BIT_23)
+ adapter->flags |= QLCNIC_ESWITCH_ENABLED;
+ else
+ adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
+
+ adapter->ahw->idc.vnic_state = QLCNIC_DEV_NPAR_NON_OPER;
+ adapter->ahw->idc.vnic_wait_limit = QLCNIC_DEV_NPAR_OPER_TIMEO;
+
+ return 0;
+}
--
1.7.1
--
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