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ixgbe: Fix an accounting problem when the Rx FIFO is full

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The rx_no_dma_resources counter reported by ethtool -S ethX is not
counting correctly.  In 82599, the queue mappings for the counters need
to be mapped properly, and accounted for properly.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Acked-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
PJ Waskiewicz 2009-03-13 22:12:48 +00:00 committed by David S. Miller
parent 1339b9e975
commit d51019a4da
1 changed files with 6 additions and 1 deletions
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7
drivers/net/ixgbe/ixgbe_main.c
View file

@ -3629,6 +3629,12 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
u64 total_mpc = 0;
u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot;
if (hw->mac.type == ixgbe_mac_82599EB) {
for (i = 0; i < 16; i++)
adapter->hw_rx_no_dma_resources +=
IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
}
adapter->stats.crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS);
for (i = 0; i < 8; i++) {
/* for packet buffers not used, the register should read 0 */
@ -3648,7 +3654,6 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
adapter->stats.pxoffrxc[i] += IXGBE_READ_REG(hw,
IXGBE_PXOFFRXCNT(i));
adapter->stats.qprdc[i] += IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
adapter->hw_rx_no_dma_resources += adapter->stats.qprdc[i];
} else {
adapter->stats.pxonrxc[i] += IXGBE_READ_REG(hw,
IXGBE_PXONRXC(i));