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e1000: omit stats for broken counter in 82543

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The 82543 chip does not count tx_carrier_errors properly in FD mode;
report zeros instead of garbage.

Originally from Jesse Brandeburg <jesse.brandeburg@intel.com>, rewritten
to use feature flags by me.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jeff Garzik
2006-12-15 10:41:15 -05:00
parent bd2371ebcc
commit 167fb28416
3 changed files with 12 additions and 0 deletions
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5
drivers/net/e1000/e1000_main.c
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@@ -3581,6 +3581,11 @@ e1000_update_stats(struct e1000_adapter *adapter)
adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
adapter->net_stats.tx_window_errors = adapter->stats.latecol;
adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
if (adapter->hw.bad_tx_carr_stats_fd &&
adapter->link_duplex == FULL_DUPLEX) {
adapter->net_stats.tx_carrier_errors = 0;
adapter->stats.tncrs = 0;
}
/* Tx Dropped needs to be maintained elsewhere */