diff options
| author | Jeff Garzik <jeff@garzik.org> | 2006-12-15 18:41:15 +0300 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-12-26 23:51:28 +0300 |
| commit | 167fb2841633edd2812e385af4b593d870abd15a (patch) | |
| tree | 0199485f6443ae08f7499fcb0537814f6d66fd04 /drivers/net/e1000 | |
| parent | bd2371ebcc71d0a276ae341d735326a8beab6627 (diff) | |
| download | linux-167fb2841633edd2812e385af4b593d870abd15a.tar.xz | |
e1000: omit stats for broken counter in 82543
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>
Diffstat (limited to 'drivers/net/e1000')
| -rw-r--r-- | drivers/net/e1000/e1000_hw.c | 6 | ||||
| -rw-r--r-- | drivers/net/e1000/e1000_hw.h | 1 | ||||
| -rw-r--r-- | drivers/net/e1000/e1000_main.c | 5 |
3 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 0201ca548cd1..ce82eb52ea95 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -442,6 +442,12 @@ e1000_set_mac_type(struct e1000_hw *hw) break; } + /* The 82543 chip does not count tx_carrier_errors properly in + * FD mode + */ + if (hw->mac_type == e1000_82543) + hw->bad_tx_carr_stats_fd = TRUE; + return E1000_SUCCESS; } diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h index 28cdfe39e39a..fef1f7b4845b 100644 --- a/drivers/net/e1000/e1000_hw.h +++ b/drivers/net/e1000/e1000_hw.h @@ -1460,6 +1460,7 @@ struct e1000_hw { boolean_t mng_reg_access_disabled; boolean_t leave_av_bit_off; boolean_t kmrn_lock_loss_workaround_disabled; + boolean_t bad_tx_carr_stats_fd; }; diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 62ef267b3d64..0816de267610 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -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 */ |