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igb: Remove invalid stats counters

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There are several counters being used like they are static when in fact
they are clear on read.  In order to prevent the values from being
incorrect I am removing the defunct counters.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck
2009-10-27 23:50:18 +00:00
committed by David S. Miller
parent 25568a531a
commit 645a3abd73
2 changed files with 1 additions and 23 deletions
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18
drivers/net/igb/igb_main.c
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@@ -2925,9 +2925,6 @@ static void igb_watchdog_task(struct work_struct *work)
int i;
link = igb_has_link(adapter);
if ((netif_carrier_ok(netdev)) && link)
goto link_up;
if (link) {
if (!netif_carrier_ok(netdev)) {
u32 ctrl;
@@ -2990,20 +2987,8 @@ static void igb_watchdog_task(struct work_struct *work)
}
}
link_up:
igb_update_stats(adapter);
hw->mac.tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
adapter->tpt_old = adapter->stats.tpt;
hw->mac.collision_delta = adapter->stats.colc - adapter->colc_old;
adapter->colc_old = adapter->stats.colc;
adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
adapter->gorc_old = adapter->stats.gorc;
adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
adapter->gotc_old = adapter->stats.gotc;
igb_update_adaptive(&adapter->hw);
igb_update_adaptive(hw);
if (!netif_carrier_ok(netdev)) {
if (igb_desc_unused(tx_ring) + 1 < tx_ring->count) {
@@ -3875,7 +3860,6 @@ void igb_update_stats(struct igb_adapter *adapter)
adapter->stats.bptc += rd32(E1000_BPTC);
/* used for adaptive IFS */
hw->mac.tx_packet_delta = rd32(E1000_TPT);
adapter->stats.tpt += hw->mac.tx_packet_delta;
hw->mac.collision_delta = rd32(E1000_COLC);