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Commit 645a3abd authored by Alexander Duyck's avatar Alexander Duyck Committed by David S. Miller
Browse files

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: default avatarAlexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 25568a53

drivers/net/igb/igb.h

+0 −6
Original line number Diff line number Diff line
@@ -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;

drivers/net/igb/igb_main.c

+1 −17
Original line number Diff line number Diff line
@@ -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);