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authorPJ Waskiewicz <peter.p.waskiewicz.jr@intel.com>2009-03-13 22:12:48 +0000
committerDavid S. Miller <davem@davemloft.net>2009-03-14 12:41:07 -0700
commitd51019a4daac885ac4dead9d45d3a2a61189d9fd (patch)
treee358e1a155a6e7dc71b2572c9f706a30ab502b40 /drivers/net/ixgbe
parent1339b9e975902dcb8ef81ace678cfb6626d4bf3f (diff)
downloadop-kernel-dev-d51019a4daac885ac4dead9d45d3a2a61189d9fd.zip
op-kernel-dev-d51019a4daac885ac4dead9d45d3a2a61189d9fd.tar.gz
ixgbe: Fix an accounting problem when the Rx FIFO is full
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>
Diffstat (limited to 'drivers/net/ixgbe')
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index d0b9870..86c8bad 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -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));
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