diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/e1000/e1000_ethtool.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index b27b71b8834..58a1836f53f 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -651,6 +651,9 @@ err_setup_rx: E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W)); \ value = E1000_READ_REG(&adapter->hw, R); \ if(value != (test[pat] & W & M)) { \ + DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \ + "0x%08X expected 0x%08X\n", \ + E1000_##R, value, (test[pat] & W & M)); \ *data = (adapter->hw.mac_type < e1000_82543) ? \ E1000_82542_##R : E1000_##R; \ return 1; \ @@ -663,7 +666,9 @@ err_setup_rx: uint32_t value; \ E1000_WRITE_REG(&adapter->hw, R, W & M); \ value = E1000_READ_REG(&adapter->hw, R); \ - if ((W & M) != (value & M)) { \ + if((W & M) != (value & M)) { \ + DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\ + "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \ *data = (adapter->hw.mac_type < e1000_82543) ? \ E1000_82542_##R : E1000_##R; \ return 1; \ @@ -673,18 +678,33 @@ err_setup_rx: static int e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) { - uint32_t value; - uint32_t i; + uint32_t value, before, after; + uint32_t i, toggle; /* The status register is Read Only, so a write should fail. * Some bits that get toggled are ignored. */ - value = (E1000_READ_REG(&adapter->hw, STATUS) & (0xFFFFF833)); - E1000_WRITE_REG(&adapter->hw, STATUS, (0xFFFFFFFF)); - if(value != (E1000_READ_REG(&adapter->hw, STATUS) & (0xFFFFF833))) { + switch (adapter->hw.mac_type) { + case e1000_82573: + toggle = 0x7FFFF033; + break; + default: + toggle = 0xFFFFF833; + break; + } + + before = E1000_READ_REG(&adapter->hw, STATUS); + value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle); + E1000_WRITE_REG(&adapter->hw, STATUS, toggle); + after = E1000_READ_REG(&adapter->hw, STATUS) & toggle; + if(value != after) { + DPRINTK(DRV, ERR, "failed STATUS register test got: " + "0x%08X expected: 0x%08X\n", after, value); *data = 1; return 1; } + /* restore previous status */ + E1000_WRITE_REG(&adapter->hw, STATUS, before); REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF); REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF); |