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qlcnic_sysfs.c
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qlcnic_sysfs.c
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/*
* QLogic qlcnic NIC Driver
* Copyright (c) 2009-2013 QLogic Corporation
*
* See LICENSE.qlcnic for copyright and licensing details.
*/
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/swab.h>
#include <linux/dma-mapping.h>
#include <net/ip.h>
#include <linux/ipv6.h>
#include <linux/inetdevice.h>
#include <linux/sysfs.h>
#include <linux/aer.h>
#include <linux/log2.h>
#ifdef CONFIG_QLCNIC_HWMON
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#endif
#include "qlcnic.h"
#include "qlcnic_hw.h"
int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
{
return -EOPNOTSUPP;
}
int qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
{
return -EOPNOTSUPP;
}
static ssize_t qlcnic_store_bridged_mode(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
unsigned long new;
int ret = -EINVAL;
if (!(adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_BDG))
goto err_out;
if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
goto err_out;
if (kstrtoul(buf, 2, &new))
goto err_out;
if (!qlcnic_config_bridged_mode(adapter, !!new))
ret = len;
err_out:
return ret;
}
static ssize_t qlcnic_show_bridged_mode(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
int bridged_mode = 0;
if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_BDG)
bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED);
return sprintf(buf, "%d\n", bridged_mode);
}
static ssize_t qlcnic_store_diag_mode(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
unsigned long new;
if (kstrtoul(buf, 2, &new))
return -EINVAL;
if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED))
adapter->flags ^= QLCNIC_DIAG_ENABLED;
return len;
}
static ssize_t qlcnic_show_diag_mode(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", !!(adapter->flags & QLCNIC_DIAG_ENABLED));
}
static int qlcnic_validate_beacon(struct qlcnic_adapter *adapter, u16 beacon,
u8 *state, u8 *rate)
{
*rate = LSB(beacon);
*state = MSB(beacon);
QLCDB(adapter, DRV, "rate %x state %x\n", *rate, *state);
if (!*state) {
*rate = __QLCNIC_MAX_LED_RATE;
return 0;
} else if (*state > __QLCNIC_MAX_LED_STATE) {
return -EINVAL;
}
if ((!*rate) || (*rate > __QLCNIC_MAX_LED_RATE))
return -EINVAL;
return 0;
}
static int qlcnic_83xx_store_beacon(struct qlcnic_adapter *adapter,
const char *buf, size_t len)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
unsigned long h_beacon;
int err;
if (test_bit(__QLCNIC_RESETTING, &adapter->state))
return -EIO;
if (kstrtoul(buf, 2, &h_beacon))
return -EINVAL;
qlcnic_get_beacon_state(adapter);
if (ahw->beacon_state == h_beacon)
return len;
rtnl_lock();
if (!ahw->beacon_state) {
if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state)) {
rtnl_unlock();
return -EBUSY;
}
}
if (h_beacon)
err = qlcnic_83xx_config_led(adapter, 1, h_beacon);
else
err = qlcnic_83xx_config_led(adapter, 0, !h_beacon);
if (!err)
ahw->beacon_state = h_beacon;
if (!ahw->beacon_state)
clear_bit(__QLCNIC_LED_ENABLE, &adapter->state);
rtnl_unlock();
return len;
}
static int qlcnic_82xx_store_beacon(struct qlcnic_adapter *adapter,
const char *buf, size_t len)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
int err, drv_sds_rings = adapter->drv_sds_rings;
u16 beacon;
u8 b_state, b_rate;
if (len != sizeof(u16))
return -EINVAL;
memcpy(&beacon, buf, sizeof(u16));
err = qlcnic_validate_beacon(adapter, beacon, &b_state, &b_rate);
if (err)
return err;
qlcnic_get_beacon_state(adapter);
if (ahw->beacon_state == b_state)
return len;
rtnl_lock();
if (!ahw->beacon_state) {
if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state)) {
rtnl_unlock();
return -EBUSY;
}
}
if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
err = -EIO;
goto out;
}
if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
err = qlcnic_diag_alloc_res(adapter->netdev, QLCNIC_LED_TEST);
if (err)
goto out;
set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state);
}
err = qlcnic_config_led(adapter, b_state, b_rate);
if (!err) {
err = len;
ahw->beacon_state = b_state;
}
if (test_and_clear_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state))
qlcnic_diag_free_res(adapter->netdev, drv_sds_rings);
out:
if (!ahw->beacon_state)
clear_bit(__QLCNIC_LED_ENABLE, &adapter->state);
rtnl_unlock();
return err;
}
static ssize_t qlcnic_store_beacon(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
int err = 0;
if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
dev_warn(dev,
"LED test not supported in non privileged mode\n");
return -EOPNOTSUPP;
}
if (qlcnic_82xx_check(adapter))
err = qlcnic_82xx_store_beacon(adapter, buf, len);
else if (qlcnic_83xx_check(adapter))
err = qlcnic_83xx_store_beacon(adapter, buf, len);
else
return -EIO;
return err;
}
static ssize_t qlcnic_show_beacon(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", adapter->ahw->beacon_state);
}
static int qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter,
loff_t offset, size_t size)
{
size_t crb_size = 4;
if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
return -EIO;
if (offset < QLCNIC_PCI_CRBSPACE) {
if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM,
QLCNIC_PCI_CAMQM_END))
crb_size = 8;
else
return -EINVAL;
}
if ((size != crb_size) || (offset & (crb_size-1)))
return -EINVAL;
return 0;
}
static ssize_t qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr, char *buf,
loff_t offset, size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
int ret;
ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
if (ret != 0)
return ret;
qlcnic_read_crb(adapter, buf, offset, size);
qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32));
return size;
}
static ssize_t qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr, char *buf,
loff_t offset, size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
int ret;
ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
if (ret != 0)
return ret;
qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32));
qlcnic_write_crb(adapter, buf, offset, size);
return size;
}
static int qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter,
loff_t offset, size_t size)
{
if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
return -EIO;
if ((size != 8) || (offset & 0x7))
return -EIO;
return 0;
}
static ssize_t qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr, char *buf,
loff_t offset, size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
u64 data;
int ret;
ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
if (ret != 0)
return ret;
if (qlcnic_pci_mem_read_2M(adapter, offset, &data))
return -EIO;
memcpy(buf, &data, size);
qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32));
return size;
}
static ssize_t qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr, char *buf,
loff_t offset, size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
u64 data;
int ret;
ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
if (ret != 0)
return ret;
qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32));
memcpy(&data, buf, size);
if (qlcnic_pci_mem_write_2M(adapter, offset, data))
return -EIO;
return size;
}
int qlcnic_is_valid_nic_func(struct qlcnic_adapter *adapter, u8 pci_func)
{
int i;
for (i = 0; i < adapter->ahw->total_nic_func; i++) {
if (adapter->npars[i].pci_func == pci_func)
return i;
}
dev_err(&adapter->pdev->dev, "%s: Invalid nic function\n", __func__);
return -EINVAL;
}
static int validate_pm_config(struct qlcnic_adapter *adapter,
struct qlcnic_pm_func_cfg *pm_cfg, int count)
{
u8 src_pci_func, s_esw_id, d_esw_id;
u8 dest_pci_func;
int i, src_index, dest_index;
for (i = 0; i < count; i++) {
src_pci_func = pm_cfg[i].pci_func;
dest_pci_func = pm_cfg[i].dest_npar;
src_index = qlcnic_is_valid_nic_func(adapter, src_pci_func);
if (src_index < 0)
return -EINVAL;
dest_index = qlcnic_is_valid_nic_func(adapter, dest_pci_func);
if (dest_index < 0)
return -EINVAL;
s_esw_id = adapter->npars[src_index].phy_port;
d_esw_id = adapter->npars[dest_index].phy_port;
if (s_esw_id != d_esw_id)
return -EINVAL;
}
return 0;
}
static ssize_t qlcnic_sysfs_write_pm_config(struct file *filp,
struct kobject *kobj,
struct bin_attribute *attr,
char *buf, loff_t offset,
size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
struct qlcnic_pm_func_cfg *pm_cfg;
u32 id, action, pci_func;
int count, rem, i, ret, index;
count = size / sizeof(struct qlcnic_pm_func_cfg);
rem = size % sizeof(struct qlcnic_pm_func_cfg);
if (rem)
return -EINVAL;
qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32));
pm_cfg = (struct qlcnic_pm_func_cfg *)buf;
ret = validate_pm_config(adapter, pm_cfg, count);
if (ret)
return ret;
for (i = 0; i < count; i++) {
pci_func = pm_cfg[i].pci_func;
action = !!pm_cfg[i].action;
index = qlcnic_is_valid_nic_func(adapter, pci_func);
if (index < 0)
return -EINVAL;
id = adapter->npars[index].phy_port;
ret = qlcnic_config_port_mirroring(adapter, id,
action, pci_func);
if (ret)
return ret;
}
for (i = 0; i < count; i++) {
pci_func = pm_cfg[i].pci_func;
index = qlcnic_is_valid_nic_func(adapter, pci_func);
if (index < 0)
return -EINVAL;
id = adapter->npars[index].phy_port;
adapter->npars[index].enable_pm = !!pm_cfg[i].action;
adapter->npars[index].dest_npar = id;
}
return size;
}
static ssize_t qlcnic_sysfs_read_pm_config(struct file *filp,
struct kobject *kobj,
struct bin_attribute *attr,
char *buf, loff_t offset,
size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
struct qlcnic_pm_func_cfg *pm_cfg;
u8 pci_func;
u32 count;
int i;
memset(buf, 0, size);
pm_cfg = (struct qlcnic_pm_func_cfg *)buf;
count = size / sizeof(struct qlcnic_pm_func_cfg);
for (i = 0; i < adapter->ahw->total_nic_func; i++) {
pci_func = adapter->npars[i].pci_func;
if (pci_func >= count) {
dev_dbg(dev, "%s: Total nic functions[%d], App sent function count[%d]\n",
__func__, adapter->ahw->total_nic_func, count);
continue;
}
if (!adapter->npars[i].eswitch_status)
continue;
pm_cfg[pci_func].action = adapter->npars[i].enable_pm;
pm_cfg[pci_func].dest_npar = 0;
pm_cfg[pci_func].pci_func = i;
}
qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32));
return size;
}
static int validate_esw_config(struct qlcnic_adapter *adapter,
struct qlcnic_esw_func_cfg *esw_cfg, int count)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
int i, ret;
u32 op_mode;
u8 pci_func;
if (qlcnic_82xx_check(adapter))
op_mode = readl(ahw->pci_base0 + QLCNIC_DRV_OP_MODE);
else
op_mode = QLCRDX(ahw, QLC_83XX_DRV_OP_MODE);
for (i = 0; i < count; i++) {
pci_func = esw_cfg[i].pci_func;
if (pci_func >= ahw->max_vnic_func)
return -EINVAL;
if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
if (qlcnic_is_valid_nic_func(adapter, pci_func) < 0)
return -EINVAL;
switch (esw_cfg[i].op_mode) {
case QLCNIC_PORT_DEFAULTS:
if (qlcnic_82xx_check(adapter)) {
ret = QLC_DEV_GET_DRV(op_mode, pci_func);
} else {
ret = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode,
pci_func);
esw_cfg[i].offload_flags = 0;
}
if (ret != QLCNIC_NON_PRIV_FUNC) {
if (esw_cfg[i].mac_anti_spoof != 0)
return -EINVAL;
if (esw_cfg[i].mac_override != 1)
return -EINVAL;
if (esw_cfg[i].promisc_mode != 1)
return -EINVAL;
}
break;
case QLCNIC_ADD_VLAN:
if (!IS_VALID_VLAN(esw_cfg[i].vlan_id))
return -EINVAL;
if (!esw_cfg[i].op_type)
return -EINVAL;
break;
case QLCNIC_DEL_VLAN:
if (!esw_cfg[i].op_type)
return -EINVAL;
break;
default:
return -EINVAL;
}
}
return 0;
}
static ssize_t qlcnic_sysfs_write_esw_config(struct file *file,
struct kobject *kobj,
struct bin_attribute *attr,
char *buf, loff_t offset,
size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
struct qlcnic_esw_func_cfg *esw_cfg;
struct qlcnic_npar_info *npar;
int count, rem, i, ret;
int index;
u8 op_mode = 0, pci_func;
count = size / sizeof(struct qlcnic_esw_func_cfg);
rem = size % sizeof(struct qlcnic_esw_func_cfg);
if (rem)
return -EINVAL;
qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32));
esw_cfg = (struct qlcnic_esw_func_cfg *)buf;
ret = validate_esw_config(adapter, esw_cfg, count);
if (ret)
return ret;
for (i = 0; i < count; i++) {
if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
if (qlcnic_config_switch_port(adapter, &esw_cfg[i]))
return -EINVAL;
if (adapter->ahw->pci_func != esw_cfg[i].pci_func)
continue;
op_mode = esw_cfg[i].op_mode;
qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]);
esw_cfg[i].op_mode = op_mode;
esw_cfg[i].pci_func = adapter->ahw->pci_func;
switch (esw_cfg[i].op_mode) {
case QLCNIC_PORT_DEFAULTS:
qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]);
rtnl_lock();
qlcnic_set_netdev_features(adapter, &esw_cfg[i]);
rtnl_unlock();
break;
case QLCNIC_ADD_VLAN:
qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
break;
case QLCNIC_DEL_VLAN:
esw_cfg[i].vlan_id = 0;
qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
break;
}
}
if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
goto out;
for (i = 0; i < count; i++) {
pci_func = esw_cfg[i].pci_func;
index = qlcnic_is_valid_nic_func(adapter, pci_func);
if (index < 0)
return -EINVAL;
npar = &adapter->npars[index];
switch (esw_cfg[i].op_mode) {
case QLCNIC_PORT_DEFAULTS:
npar->promisc_mode = esw_cfg[i].promisc_mode;
npar->mac_override = esw_cfg[i].mac_override;
npar->offload_flags = esw_cfg[i].offload_flags;
npar->mac_anti_spoof = esw_cfg[i].mac_anti_spoof;
npar->discard_tagged = esw_cfg[i].discard_tagged;
break;
case QLCNIC_ADD_VLAN:
npar->pvid = esw_cfg[i].vlan_id;
break;
case QLCNIC_DEL_VLAN:
npar->pvid = 0;
break;
}
}
out:
return size;
}
static ssize_t qlcnic_sysfs_read_esw_config(struct file *file,
struct kobject *kobj,
struct bin_attribute *attr,
char *buf, loff_t offset,
size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
struct qlcnic_esw_func_cfg *esw_cfg;
u8 pci_func;
u32 count;
int i;
memset(buf, 0, size);
esw_cfg = (struct qlcnic_esw_func_cfg *)buf;
count = size / sizeof(struct qlcnic_esw_func_cfg);
for (i = 0; i < adapter->ahw->total_nic_func; i++) {
pci_func = adapter->npars[i].pci_func;
if (pci_func >= count) {
dev_dbg(dev, "%s: Total nic functions[%d], App sent function count[%d]\n",
__func__, adapter->ahw->total_nic_func, count);
continue;
}
if (!adapter->npars[i].eswitch_status)
continue;
esw_cfg[pci_func].pci_func = pci_func;
if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[pci_func]))
return -EINVAL;
}
qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32));
return size;
}
static int validate_npar_config(struct qlcnic_adapter *adapter,
struct qlcnic_npar_func_cfg *np_cfg,
int count)
{
u8 pci_func, i;
for (i = 0; i < count; i++) {
pci_func = np_cfg[i].pci_func;
if (qlcnic_is_valid_nic_func(adapter, pci_func) < 0)
return -EINVAL;
if (!IS_VALID_BW(np_cfg[i].min_bw) ||
!IS_VALID_BW(np_cfg[i].max_bw))
return -EINVAL;
}
return 0;
}
static ssize_t qlcnic_sysfs_write_npar_config(struct file *file,
struct kobject *kobj,
struct bin_attribute *attr,
char *buf, loff_t offset,
size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
struct qlcnic_info nic_info;
struct qlcnic_npar_func_cfg *np_cfg;
int i, count, rem, ret, index;
u8 pci_func;
count = size / sizeof(struct qlcnic_npar_func_cfg);
rem = size % sizeof(struct qlcnic_npar_func_cfg);
if (rem)
return -EINVAL;
qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32));
np_cfg = (struct qlcnic_npar_func_cfg *)buf;
ret = validate_npar_config(adapter, np_cfg, count);
if (ret)
return ret;
for (i = 0; i < count; i++) {
pci_func = np_cfg[i].pci_func;
memset(&nic_info, 0, sizeof(struct qlcnic_info));
ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
if (ret)
return ret;
nic_info.pci_func = pci_func;
nic_info.min_tx_bw = np_cfg[i].min_bw;
nic_info.max_tx_bw = np_cfg[i].max_bw;
ret = qlcnic_set_nic_info(adapter, &nic_info);
if (ret)
return ret;
index = qlcnic_is_valid_nic_func(adapter, pci_func);
if (index < 0)
return -EINVAL;
adapter->npars[index].min_bw = nic_info.min_tx_bw;
adapter->npars[index].max_bw = nic_info.max_tx_bw;
}
return size;
}
static ssize_t qlcnic_sysfs_read_npar_config(struct file *file,
struct kobject *kobj,
struct bin_attribute *attr,
char *buf, loff_t offset,
size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
struct qlcnic_npar_func_cfg *np_cfg;
struct qlcnic_info nic_info;
u8 pci_func;
int i, ret;
u32 count;
memset(&nic_info, 0, sizeof(struct qlcnic_info));
memset(buf, 0, size);
np_cfg = (struct qlcnic_npar_func_cfg *)buf;
count = size / sizeof(struct qlcnic_npar_func_cfg);
for (i = 0; i < adapter->ahw->total_nic_func; i++) {
if (adapter->npars[i].pci_func >= count) {
dev_dbg(dev, "%s: Total nic functions[%d], App sent function count[%d]\n",
__func__, adapter->ahw->total_nic_func, count);
continue;
}
if (!adapter->npars[i].eswitch_status)
continue;
pci_func = adapter->npars[i].pci_func;
if (qlcnic_is_valid_nic_func(adapter, pci_func) < 0)
continue;
ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
if (ret)
return ret;
np_cfg[pci_func].pci_func = pci_func;
np_cfg[pci_func].op_mode = (u8)nic_info.op_mode;
np_cfg[pci_func].port_num = nic_info.phys_port;
np_cfg[pci_func].fw_capab = nic_info.capabilities;
np_cfg[pci_func].min_bw = nic_info.min_tx_bw;
np_cfg[pci_func].max_bw = nic_info.max_tx_bw;
np_cfg[pci_func].max_tx_queues = nic_info.max_tx_ques;
np_cfg[pci_func].max_rx_queues = nic_info.max_rx_ques;
}
qlcnic_swap32_buffer((u32 *)buf, size / sizeof(u32));
return size;
}
static ssize_t qlcnic_sysfs_get_port_stats(struct file *file,
struct kobject *kobj,
struct bin_attribute *attr,
char *buf, loff_t offset,
size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
struct qlcnic_esw_statistics port_stats;
int ret;
if (qlcnic_83xx_check(adapter))
return -EOPNOTSUPP;
if (size != sizeof(struct qlcnic_esw_statistics))
return -EINVAL;
if (offset >= adapter->ahw->max_vnic_func)
return -EINVAL;
memset(&port_stats, 0, size);
ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
&port_stats.rx);
if (ret)
return ret;
ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
&port_stats.tx);
if (ret)
return ret;
memcpy(buf, &port_stats, size);
return size;
}
static ssize_t qlcnic_sysfs_get_esw_stats(struct file *file,
struct kobject *kobj,
struct bin_attribute *attr,
char *buf, loff_t offset,
size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
struct qlcnic_esw_statistics esw_stats;
int ret;
if (qlcnic_83xx_check(adapter))
return -EOPNOTSUPP;
if (size != sizeof(struct qlcnic_esw_statistics))
return -EINVAL;
if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
return -EINVAL;
memset(&esw_stats, 0, size);
ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
&esw_stats.rx);
if (ret)
return ret;
ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
&esw_stats.tx);
if (ret)
return ret;
memcpy(buf, &esw_stats, size);
return size;
}
static ssize_t qlcnic_sysfs_clear_esw_stats(struct file *file,
struct kobject *kobj,
struct bin_attribute *attr,
char *buf, loff_t offset,
size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
int ret;
if (qlcnic_83xx_check(adapter))
return -EOPNOTSUPP;
if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
return -EINVAL;
ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
QLCNIC_QUERY_RX_COUNTER);
if (ret)
return ret;
ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
QLCNIC_QUERY_TX_COUNTER);
if (ret)
return ret;
return size;
}
static ssize_t qlcnic_sysfs_clear_port_stats(struct file *file,
struct kobject *kobj,
struct bin_attribute *attr,
char *buf, loff_t offset,
size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
int ret;
if (qlcnic_83xx_check(adapter))
return -EOPNOTSUPP;
if (offset >= adapter->ahw->max_vnic_func)
return -EINVAL;
ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
QLCNIC_QUERY_RX_COUNTER);
if (ret)
return ret;
ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
QLCNIC_QUERY_TX_COUNTER);
if (ret)
return ret;
return size;
}
static ssize_t qlcnic_sysfs_read_pci_config(struct file *file,
struct kobject *kobj,
struct bin_attribute *attr,
char *buf, loff_t offset,
size_t size)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
struct qlcnic_pci_func_cfg *pci_cfg;
struct qlcnic_pci_info *pci_info;
int i, ret;
u32 count;
pci_info = kcalloc(size, sizeof(*pci_info), GFP_KERNEL);
if (!pci_info)
return -ENOMEM;
ret = qlcnic_get_pci_info(adapter, pci_info);
if (ret) {
kfree(pci_info);
return ret;
}
pci_cfg = (struct qlcnic_pci_func_cfg *)buf;
count = size / sizeof(struct qlcnic_pci_func_cfg);
qlcnic_swap32_buffer((u32 *)pci_info, size / sizeof(u32));
for (i = 0; i < count; i++) {
pci_cfg[i].pci_func = pci_info[i].id;
pci_cfg[i].func_type = pci_info[i].type;
pci_cfg[i].func_state = 0;
pci_cfg[i].port_num = pci_info[i].default_port;
pci_cfg[i].min_bw = pci_info[i].tx_min_bw;
pci_cfg[i].max_bw = pci_info[i].tx_max_bw;
memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN);
}
kfree(pci_info);
return size;
}
static ssize_t qlcnic_83xx_sysfs_flash_read_handler(struct file *filp,
struct kobject *kobj,
struct bin_attribute *attr,
char *buf, loff_t offset,
size_t size)
{
unsigned char *p_read_buf;
int ret, count;
struct device *dev = container_of(kobj, struct device, kobj);
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
if (!size)
return -EINVAL;
count = size / sizeof(u32);
if (size % sizeof(u32))
count++;
p_read_buf = kcalloc(size, sizeof(unsigned char), GFP_KERNEL);
if (!p_read_buf)
return -ENOMEM;
if (qlcnic_83xx_lock_flash(adapter) != 0) {
kfree(p_read_buf);
return -EIO;
}
ret = qlcnic_83xx_lockless_flash_read32(adapter, offset, p_read_buf,
count);
if (ret) {
qlcnic_83xx_unlock_flash(adapter);
kfree(p_read_buf);
return ret;
}
qlcnic_83xx_unlock_flash(adapter);
qlcnic_swap32_buffer((u32 *)p_read_buf, count);
memcpy(buf, p_read_buf, size);
kfree(p_read_buf);
return size;
}
static int qlcnic_83xx_sysfs_flash_bulk_write(struct qlcnic_adapter *adapter,
char *buf, loff_t offset,
size_t size)
{
int i, ret, count;
unsigned char *p_cache, *p_src;
p_cache = kcalloc(size, sizeof(unsigned char), GFP_KERNEL);
if (!p_cache)
return -ENOMEM;
count = size / sizeof(u32);
qlcnic_swap32_buffer((u32 *)buf, count);
memcpy(p_cache, buf, size);
p_src = p_cache;