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[TG3]: Add nvram test 

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2005-05-29 14:56:58 -07:00 committed by David S. Miller
parent 4cafd3f533
commit 566f86adb3
1 changed files with 50 additions and 0 deletions
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50
drivers/net/tg3.c
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@ -7239,9 +7239,59 @@ static void tg3_get_ethtool_stats (struct net_device *dev,
memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
}
#define NVRAM_TEST_SIZE 0x100
static int tg3_test_nvram(struct tg3 *tp)
{
u32 *buf, csum;
int i, j, err = 0;
buf = kmalloc(NVRAM_TEST_SIZE, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
for (i = 0, j = 0; i < NVRAM_TEST_SIZE; i += 4, j++) {
u32 val;
if ((err = tg3_nvram_read(tp, i, &val)) != 0)
break;
buf[j] = cpu_to_le32(val);
}
if (i < NVRAM_TEST_SIZE)
goto out;
err = -EIO;
if (cpu_to_be32(buf[0]) != TG3_EEPROM_MAGIC)
goto out;
/* Bootstrap checksum at offset 0x10 */
csum = calc_crc((unsigned char *) buf, 0x10);
if(csum != cpu_to_le32(buf[0x10/4]))
goto out;
/* Manufacturing block starts at offset 0x74, checksum at 0xfc */
csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
if (csum != cpu_to_le32(buf[0xfc/4]))
goto out;
err = 0;
out:
kfree(buf);
return err;
}
static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
u64 *data)
{
struct tg3 *tp = netdev_priv(dev);
memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
if (tg3_test_nvram(tp) != 0) {
etest->flags |= ETH_TEST_FL_FAILED;
data[0] = 1;
}
}
static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)