Commit 3dbdf969 authored Sep 12, 2012 by Carolyn Wyborny Committed by Jeff Kirsher Sep 22, 2012

igb: Fix stats output on i210/i211 parts.



Due to a hardware issue, on i210 and i211 parts, the TNCRS statistic
provides an invalid value.  This patch changes the update stats function
to increment the stat only for non-i210/i211 parts.

Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

parent f557147c

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

+5 −1

Original line number	Diff line number	Diff line
		@@ -4776,6 +4776,10 @@ void igb_update_stats(struct igb_adapter *adapter,
		reg = rd32(E1000_CTRL_EXT);
		if (!(reg & E1000_CTRL_EXT_LINK_MODE_MASK)) {
		adapter->stats.rxerrc += rd32(E1000_RXERRC);

		/* this stat has invalid values on i210/i211 */
		if ((hw->mac.type != e1000_i210) &&
		(hw->mac.type != e1000_i211))
		adapter->stats.tncrs += rd32(E1000_TNCRS);
		}