ixgbe: Add FCoE DDP allocation failure counters to ethtool stats.

[pandora-kernel.git] / drivers / net / ethernet / intel / ixgbe / ixgbe_main.c

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index b95c6e9..f6fea67 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -5552,6 +5552,11 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
        u64 non_eop_descs = 0, restart_queue = 0, tx_busy = 0;
        u64 alloc_rx_page_failed = 0, alloc_rx_buff_failed = 0;
        u64 bytes = 0, packets = 0;
+#ifdef IXGBE_FCOE
+       struct ixgbe_fcoe *fcoe = &adapter->fcoe;
+       unsigned int cpu;
+       u64 fcoe_noddp_counts_sum = 0, fcoe_noddp_ext_buff_counts_sum = 0;
+#endif /* IXGBE_FCOE */
 
        if (test_bit(__IXGBE_DOWN, &adapter->state) ||
            test_bit(__IXGBE_RESETTING, &adapter->state))
@@ -5679,6 +5684,18 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
                hwstats->fcoeptc += IXGBE_READ_REG(hw, IXGBE_FCOEPTC);
                hwstats->fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC);
                hwstats->fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC);
+               /* Add up per cpu counters for total ddp aloc fail */
+               if (fcoe->pcpu_noddp && fcoe->pcpu_noddp_ext_buff) {
+                       for_each_possible_cpu(cpu) {
+                               fcoe_noddp_counts_sum +=
+                                       *per_cpu_ptr(fcoe->pcpu_noddp, cpu);
+                               fcoe_noddp_ext_buff_counts_sum +=
+                                       *per_cpu_ptr(fcoe->
+                                               pcpu_noddp_ext_buff, cpu);
+                       }
+               }
+               hwstats->fcoe_noddp = fcoe_noddp_counts_sum;
+               hwstats->fcoe_noddp_ext_buff = fcoe_noddp_ext_buff_counts_sum;
 #endif /* IXGBE_FCOE */
                break;
        default: