Commit 27d2ab54 authored by Amit S. Kale's avatar Amit S. Kale Committed by Jeff Garzik

NetXen: Added ethtool support for user level tools.

NetXen: Added ethtool support for user level firmware management utilities.
Signed-off-by: default avatarAmit S. Kale <amitkale@netxen.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 1fcca1a5
......@@ -63,11 +63,14 @@
#include "netxen_nic_hw.h"
#define NETXEN_NIC_BUILD_NO "2"
#define _NETXEN_NIC_LINUX_MAJOR 3
#define _NETXEN_NIC_LINUX_MINOR 3
#define _NETXEN_NIC_LINUX_SUBVERSION 3
#define NETXEN_NIC_LINUX_VERSIONID "3.3.3" "-" NETXEN_NIC_BUILD_NO
#define NETXEN_NIC_LINUX_VERSIONID "3.3.3"
#define NUM_FLASH_SECTORS (64)
#define FLASH_SECTOR_SIZE (64 * 1024)
#define FLASH_TOTAL_SIZE (NUM_FLASH_SECTORS * FLASH_SECTOR_SIZE)
#define RCV_DESC_RINGSIZE \
(sizeof(struct rcv_desc) * adapter->max_rx_desc_count)
......@@ -85,6 +88,7 @@
#define NETXEN_RCV_PRODUCER_OFFSET 0
#define NETXEN_RCV_PEG_DB_ID 2
#define NETXEN_HOST_DUMMY_DMA_SIZE 1024
#define FLASH_SUCCESS 0
#define ADDR_IN_WINDOW1(off) \
((off > NETXEN_CRB_PCIX_HOST2) && (off < NETXEN_CRB_MAX)) ? 1 : 0
......@@ -1028,6 +1032,15 @@ void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val);
void netxen_load_firmware(struct netxen_adapter *adapter);
int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose);
int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp);
int netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
u8 *bytes, size_t size);
int netxen_rom_fast_write_words(struct netxen_adapter *adapter, int addr,
u8 *bytes, size_t size);
int netxen_flash_unlock(struct netxen_adapter *adapter);
int netxen_backup_crbinit(struct netxen_adapter *adapter);
int netxen_flash_erase_secondary(struct netxen_adapter *adapter);
int netxen_flash_erase_primary(struct netxen_adapter *adapter);
int netxen_rom_fast_write(struct netxen_adapter *adapter, int addr, int data);
int netxen_rom_se(struct netxen_adapter *adapter, int addr);
int netxen_do_rom_se(struct netxen_adapter *adapter, int addr);
......
......@@ -32,6 +32,7 @@
*/
#include <linux/types.h>
#include <linux/delay.h>
#include <asm/uaccess.h>
#include <linux/pci.h>
#include <asm/io.h>
......@@ -94,17 +95,7 @@ static const char netxen_nic_gstrings_test[][ETH_GSTRING_LEN] = {
static int netxen_nic_get_eeprom_len(struct net_device *dev)
{
struct netxen_port *port = netdev_priv(dev);
struct netxen_adapter *adapter = port->adapter;
int n;
if ((netxen_rom_fast_read(adapter, 0, &n) == 0)
&& (n & NETXEN_ROM_ROUNDUP)) {
n &= ~NETXEN_ROM_ROUNDUP;
if (n < NETXEN_MAX_EEPROM_LEN)
return n;
}
return 0;
return FLASH_TOTAL_SIZE;
}
static void
......@@ -440,18 +431,92 @@ netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
struct netxen_port *port = netdev_priv(dev);
struct netxen_adapter *adapter = port->adapter;
int offset;
int ret;
if (eeprom->len == 0)
return -EINVAL;
eeprom->magic = (port->pdev)->vendor | ((port->pdev)->device << 16);
for (offset = 0; offset < eeprom->len; offset++)
if (netxen_rom_fast_read
(adapter, (8 * offset) + 8, (int *)eeprom->data) == -1)
return -EIO;
offset = eeprom->offset;
ret = netxen_rom_fast_read_words(adapter, offset, bytes,
eeprom->len);
if (ret < 0)
return ret;
return 0;
}
static int
netxen_nic_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
u8 * bytes)
{
struct netxen_port *port = netdev_priv(dev);
struct netxen_adapter *adapter = port->adapter;
int offset = eeprom->offset;
static int flash_start;
static int ready_to_flash;
int ret;
if (flash_start == 0) {
ret = netxen_flash_unlock(adapter);
if (ret < 0) {
printk(KERN_ERR "%s: Flash unlock failed.\n",
netxen_nic_driver_name);
return ret;
}
printk(KERN_INFO "%s: flash unlocked. \n",
netxen_nic_driver_name);
ret = netxen_flash_erase_secondary(adapter);
if (ret != FLASH_SUCCESS) {
printk(KERN_ERR "%s: Flash erase failed.\n",
netxen_nic_driver_name);
return ret;
}
printk(KERN_INFO "%s: secondary flash erased successfully.\n",
netxen_nic_driver_name);
flash_start = 1;
return 0;
}
if (offset == BOOTLD_START) {
ret = netxen_flash_erase_primary(adapter);
if (ret != FLASH_SUCCESS) {
printk(KERN_ERR "%s: Flash erase failed.\n",
netxen_nic_driver_name);
return ret;
}
ret = netxen_rom_se(adapter, USER_START);
if (ret != FLASH_SUCCESS)
return ret;
ret = netxen_rom_se(adapter, FIXED_START);
if (ret != FLASH_SUCCESS)
return ret;
printk(KERN_INFO "%s: primary flash erased successfully\n",
netxen_nic_driver_name);
ret = netxen_backup_crbinit(adapter);
if (ret != FLASH_SUCCESS) {
printk(KERN_ERR "%s: CRBinit backup failed.\n",
netxen_nic_driver_name);
return ret;
}
printk(KERN_INFO "%s: CRBinit backup done.\n",
netxen_nic_driver_name);
ready_to_flash = 1;
}
if (!ready_to_flash) {
printk(KERN_ERR "%s: Invalid write sequence, returning...\n",
netxen_nic_driver_name);
return -EINVAL;
}
return netxen_rom_fast_write_words(adapter, offset, bytes, eeprom->len);
}
static void
netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
{
......@@ -721,6 +786,7 @@ struct ethtool_ops netxen_nic_ethtool_ops = {
.get_link = netxen_nic_get_link,
.get_eeprom_len = netxen_nic_get_eeprom_len,
.get_eeprom = netxen_nic_get_eeprom,
.set_eeprom = netxen_nic_set_eeprom,
.get_ringparam = netxen_nic_get_ringparam,
.get_pauseparam = netxen_nic_get_pauseparam,
.set_pauseparam = netxen_nic_set_pauseparam,
......
......@@ -277,6 +277,7 @@ unsigned long netxen_decode_crb_addr(unsigned long addr)
static long rom_max_timeout = 10000;
static long rom_lock_timeout = 1000000;
static long rom_write_timeout = 700;
static inline int rom_lock(struct netxen_adapter *adapter)
{
......@@ -405,7 +406,7 @@ do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
{
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
udelay(100); /* prevent bursting on CRB */
udelay(70); /* prevent bursting on CRB */
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, 0xb);
if (netxen_wait_rom_done(adapter)) {
......@@ -414,13 +415,46 @@ do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
}
/* reset abyte_cnt and dummy_byte_cnt */
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
udelay(100); /* prevent bursting on CRB */
udelay(70); /* prevent bursting on CRB */
netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
*valp = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_ROM_RDATA);
return 0;
}
static inline int
do_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
u8 *bytes, size_t size)
{
int addridx;
int ret = 0;
for (addridx = addr; addridx < (addr + size); addridx += 4) {
ret = do_rom_fast_read(adapter, addridx, (int *)bytes);
if (ret != 0)
break;
bytes += 4;
}
return ret;
}
int
netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
u8 *bytes, size_t size)
{
int ret;
ret = rom_lock(adapter);
if (ret < 0)
return ret;
ret = do_rom_fast_read_words(adapter, addr, bytes, size);
netxen_rom_unlock(adapter);
return ret;
}
int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
{
int ret;
......@@ -444,6 +478,152 @@ int netxen_rom_fast_write(struct netxen_adapter *adapter, int addr, int data)
netxen_rom_unlock(adapter);
return ret;
}
static inline int do_rom_fast_write_words(struct netxen_adapter *adapter,
int addr, u8 *bytes, size_t size)
{
int addridx = addr;
int ret = 0;
while (addridx < (addr + size)) {
int last_attempt = 0;
int timeout = 0;
int data;
data = *(u32*)bytes;
ret = do_rom_fast_write(adapter, addridx, data);
if (ret < 0)
return ret;
while(1) {
int data1;
do_rom_fast_read(adapter, addridx, &data1);
if (data1 == data)
break;
if (timeout++ >= rom_write_timeout) {
if (last_attempt++ < 4) {
ret = do_rom_fast_write(adapter,
addridx, data);
if (ret < 0)
return ret;
}
else {
printk(KERN_INFO "Data write did not "
"succeed at address 0x%x\n", addridx);
break;
}
}
}
bytes += 4;
addridx += 4;
}
return ret;
}
int netxen_rom_fast_write_words(struct netxen_adapter *adapter, int addr,
u8 *bytes, size_t size)
{
int ret = 0;
ret = rom_lock(adapter);
if (ret < 0)
return ret;
ret = do_rom_fast_write_words(adapter, addr, bytes, size);
netxen_rom_unlock(adapter);
return ret;
}
int netxen_rom_wrsr(struct netxen_adapter *adapter, int data)
{
int ret;
ret = netxen_rom_wren(adapter);
if (ret < 0)
return ret;
netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_ROM_WDATA, data);
netxen_crb_writelit_adapter(adapter,
NETXEN_ROMUSB_ROM_INSTR_OPCODE, 0x1);
ret = netxen_wait_rom_done(adapter);
if (ret < 0)
return ret;
return netxen_rom_wip_poll(adapter);
}
int netxen_rom_rdsr(struct netxen_adapter *adapter)
{
int ret;
ret = rom_lock(adapter);
if (ret < 0)
return ret;
ret = netxen_do_rom_rdsr(adapter);
netxen_rom_unlock(adapter);
return ret;
}
int netxen_backup_crbinit(struct netxen_adapter *adapter)
{
int ret = FLASH_SUCCESS;
int val;
char *buffer = kmalloc(FLASH_SECTOR_SIZE, GFP_KERNEL);
if (!buffer)
return -ENOMEM;
/* unlock sector 63 */
val = netxen_rom_rdsr(adapter);
val = val & 0xe3;
ret = netxen_rom_wrsr(adapter, val);
if (ret != FLASH_SUCCESS)
goto out_kfree;
ret = netxen_rom_wip_poll(adapter);
if (ret != FLASH_SUCCESS)
goto out_kfree;
/* copy sector 0 to sector 63 */
ret = netxen_rom_fast_read_words(adapter, CRBINIT_START,
buffer, FLASH_SECTOR_SIZE);
if (ret != FLASH_SUCCESS)
goto out_kfree;
ret = netxen_rom_fast_write_words(adapter, FIXED_START,
buffer, FLASH_SECTOR_SIZE);
if (ret != FLASH_SUCCESS)
goto out_kfree;
/* lock sector 63 */
val = netxen_rom_rdsr(adapter);
if (!(val & 0x8)) {
val |= (0x1 << 2);
/* lock sector 63 */
if (netxen_rom_wrsr(adapter, val) == 0) {
ret = netxen_rom_wip_poll(adapter);
if (ret != FLASH_SUCCESS)
goto out_kfree;
/* lock SR writes */
ret = netxen_rom_wip_poll(adapter);
if (ret != FLASH_SUCCESS)
goto out_kfree;
}
}
out_kfree:
kfree(buffer);
return ret;
}
int netxen_do_rom_se(struct netxen_adapter *adapter, int addr)
{
netxen_rom_wren(adapter);
......@@ -458,6 +638,27 @@ int netxen_do_rom_se(struct netxen_adapter *adapter, int addr)
return netxen_rom_wip_poll(adapter);
}
void check_erased_flash(struct netxen_adapter *adapter, int addr)
{
int i;
int val;
int count = 0, erased_errors = 0;
int range;
range = (addr == USER_START) ? FIXED_START : addr + FLASH_SECTOR_SIZE;
for (i = addr; i < range; i += 4) {
netxen_rom_fast_read(adapter, i, &val);
if (val != 0xffffffff)
erased_errors++;
count++;
}
if (erased_errors)
printk(KERN_INFO "0x%x out of 0x%x words fail to be erased "
"for sector address: %x\n", erased_errors, count, addr);
}
int netxen_rom_se(struct netxen_adapter *adapter, int addr)
{
int ret = 0;
......@@ -466,6 +667,68 @@ int netxen_rom_se(struct netxen_adapter *adapter, int addr)
}
ret = netxen_do_rom_se(adapter, addr);
netxen_rom_unlock(adapter);
msleep(30);
check_erased_flash(adapter, addr);
return ret;
}
int
netxen_flash_erase_sections(struct netxen_adapter *adapter, int start, int end)
{
int ret = FLASH_SUCCESS;
int i;
for (i = start; i < end; i++) {
ret = netxen_rom_se(adapter, i * FLASH_SECTOR_SIZE);
if (ret)
break;
ret = netxen_rom_wip_poll(adapter);
if (ret < 0)
return ret;
}
return ret;
}
int
netxen_flash_erase_secondary(struct netxen_adapter *adapter)
{
int ret = FLASH_SUCCESS;
int start, end;
start = SECONDARY_START / FLASH_SECTOR_SIZE;
end = USER_START / FLASH_SECTOR_SIZE;
ret = netxen_flash_erase_sections(adapter, start, end);
return ret;
}
int
netxen_flash_erase_primary(struct netxen_adapter *adapter)
{
int ret = FLASH_SUCCESS;
int start, end;
start = PRIMARY_START / FLASH_SECTOR_SIZE;
end = SECONDARY_START / FLASH_SECTOR_SIZE;
ret = netxen_flash_erase_sections(adapter, start, end);
return ret;
}
int netxen_flash_unlock(struct netxen_adapter *adapter)
{
int ret = 0;
ret = netxen_rom_wrsr(adapter, 0);
if (ret < 0)
return ret;
ret = netxen_rom_wren(adapter);
if (ret < 0)
return ret;
return ret;
}
......
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