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authorAlexander Duyck <alexander.h.duyck@intel.com>2009-10-28 02:50:18 +0300
committerDavid S. Miller <davem@davemloft.net>2009-10-28 13:25:53 +0300
commit645a3abd73c2ac05d375f080d2f58d56e1502562 (patch)
treee70a0e6402ad4ea4170182c55b3e543459a60b3a /drivers/net/igb
parent25568a531a1bc76fdf968382a4eb65a979186c67 (diff)
downloadlinux-645a3abd73c2ac05d375f080d2f58d56e1502562.tar.xz
igb: Remove invalid stats counters
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>
Diffstat (limited to 'drivers/net/igb')
-rw-r--r--drivers/net/igb/igb.h6
-rw-r--r--drivers/net/igb/igb_main.c18
2 files changed, 1 insertions, 23 deletions
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index c27dc1a8d0c6..b9fcfd3c9576 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -269,10 +269,6 @@ struct igb_adapter {
/* TX */
struct igb_ring *tx_ring; /* One per active queue */
unsigned long tx_queue_len;
- u32 gotc;
- u64 gotc_old;
- u64 tpt_old;
- u64 colc_old;
u32 tx_timeout_count;
/* RX */
@@ -280,8 +276,6 @@ struct igb_adapter {
int num_tx_queues;
int num_rx_queues;
- u32 gorc;
- u64 gorc_old;
u32 max_frame_size;
u32 min_frame_size;
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 5b0f93911f3d..cb1acca9ac91 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -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);