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Commit 5633684d authored by Malli Chilakala's avatar Malli Chilakala Committed by Jeff Garzik
Browse files

[PATCH] ixgb: Fix multi-cast packet count in statistics 



Fix multi-cast packet count in statistics

Signed-off-by: default avatarMallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: default avatarGanesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: default avatarJohn Ronciak <john.ronciak@intel.com>

diff -up net-drivers-2.6/drivers/net/ixgb/ixgb_main.c net-drivers-2.6/drivers/net/ixgb.new/ixgb_main.c
parent 88d7bd8c

drivers/net/ixgb/ixgb_main.c

+23 −4
Original line number Diff line number Diff line
@@ -1526,14 +1526,33 @@ ixgb_change_mtu(struct net_device *netdev, int new_mtu) 
void

ixgb_update_stats(struct ixgb_adapter *adapter)

{

	struct net_device *netdev = adapter->netdev;



	if((netdev->flags & IFF_PROMISC) || (netdev->flags & IFF_ALLMULTI) ||

	   (netdev->mc_count > IXGB_MAX_NUM_MULTICAST_ADDRESSES)) {

		u64 multi = IXGB_READ_REG(&adapter->hw, MPRCL);

		u32 bcast_l = IXGB_READ_REG(&adapter->hw, BPRCL);

		u32 bcast_h = IXGB_READ_REG(&adapter->hw, BPRCH);

		u64 bcast = ((u64)bcast_h << 32) | bcast_l; 



		multi |= ((u64)IXGB_READ_REG(&adapter->hw, MPRCH) << 32);

		/* fix up multicast stats by removing broadcasts */

		multi -= bcast;

		

		adapter->stats.mprcl += (multi & 0xFFFFFFFF);

		adapter->stats.mprch += (multi >> 32);

		adapter->stats.bprcl += bcast_l; 

		adapter->stats.bprch += bcast_h;

	} else {

		adapter->stats.mprcl += IXGB_READ_REG(&adapter->hw, MPRCL);

		adapter->stats.mprch += IXGB_READ_REG(&adapter->hw, MPRCH);

		adapter->stats.bprcl += IXGB_READ_REG(&adapter->hw, BPRCL);

		adapter->stats.bprch += IXGB_READ_REG(&adapter->hw, BPRCH);

	}

	adapter->stats.tprl += IXGB_READ_REG(&adapter->hw, TPRL);

	adapter->stats.tprh += IXGB_READ_REG(&adapter->hw, TPRH);

	adapter->stats.gprcl += IXGB_READ_REG(&adapter->hw, GPRCL);

	adapter->stats.gprch += IXGB_READ_REG(&adapter->hw, GPRCH);

	adapter->stats.bprcl += IXGB_READ_REG(&adapter->hw, BPRCL);

	adapter->stats.bprch += IXGB_READ_REG(&adapter->hw, BPRCH);

	adapter->stats.mprcl += IXGB_READ_REG(&adapter->hw, MPRCL);

	adapter->stats.mprch += IXGB_READ_REG(&adapter->hw, MPRCH);

	adapter->stats.uprcl += IXGB_READ_REG(&adapter->hw, UPRCL);

	adapter->stats.uprch += IXGB_READ_REG(&adapter->hw, UPRCH);

	adapter->stats.vprcl += IXGB_READ_REG(&adapter->hw, VPRCL);