Commit e66c083a authored by Todd Fujinaka's avatar Todd Fujinaka Committed by Jeff Kirsher
Browse files

igb: fix stats for i210 rx_fifo_errors 



RQDPC on i210/i211 is R/W not ReadClear. Clear after reading.

Signed-off-by: default avatarTodd Fujinaka <todd.fujinaka@intel.com>
Tested-by: default avatarAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 3e7986f6

drivers/net/ethernet/intel/igb/igb_main.c

+3 −1
Original line number Diff line number Diff line
@@ -5193,8 +5193,10 @@ void igb_update_stats(struct igb_adapter *adapter, 


	rcu_read_lock();

	for (i = 0; i < adapter->num_rx_queues; i++) {

		u32 rqdpc = rd32(E1000_RQDPC(i));

		struct igb_ring *ring = adapter->rx_ring[i];

		u32 rqdpc = rd32(E1000_RQDPC(i));

		if (hw->mac.type >= e1000_i210)

			wr32(E1000_RQDPC(i), 0);



		if (rqdpc) {

			ring->rx_stats.drops += rqdpc;

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