From 566f86adb336637d03900f53b886d879aa5f5d56 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 29 May 2005 14:56:58 -0700 Subject: [PATCH] [TG3]: Add nvram test Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/tg3.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 088ed9f634e5..ab2fa213b301 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -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) -- 2.20.1