aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/sfc/nic.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/sfc/nic.c')
-rw-r--r--drivers/net/ethernet/sfc/nic.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/drivers/net/ethernet/sfc/nic.c b/drivers/net/ethernet/sfc/nic.c
index c75009b8c0d..89b83e59e1d 100644
--- a/drivers/net/ethernet/sfc/nic.c
+++ b/drivers/net/ethernet/sfc/nic.c
@@ -156,13 +156,15 @@ void efx_nic_fini_interrupt(struct efx_nic *efx)
efx->net_dev->rx_cpu_rmap = NULL;
#endif
- /* Disable MSI/MSI-X interrupts */
- efx_for_each_channel(channel, efx)
- free_irq(channel->irq, &efx->msi_context[channel->channel]);
-
- /* Disable legacy interrupt */
- if (efx->legacy_irq)
+ if (EFX_INT_MODE_USE_MSI(efx)) {
+ /* Disable MSI/MSI-X interrupts */
+ efx_for_each_channel(channel, efx)
+ free_irq(channel->irq,
+ &efx->msi_context[channel->channel]);
+ } else {
+ /* Disable legacy interrupt */
free_irq(efx->legacy_irq, efx);
+ }
}
/* Register dump */
@@ -480,8 +482,7 @@ size_t efx_nic_describe_stats(const struct efx_hw_stat_desc *desc, size_t count,
* @count: Length of the @desc array
* @mask: Bitmask of which elements of @desc are enabled
* @stats: Buffer to update with the converted statistics. The length
- * of this array must be at least the number of set bits in the
- * first @count bits of @mask.
+ * of this array must be at least @count.
* @dma_buf: DMA buffer containing hardware statistics
* @accumulate: If set, the converted values will be added rather than
* directly stored to the corresponding elements of @stats
@@ -514,11 +515,20 @@ void efx_nic_update_stats(const struct efx_hw_stat_desc *desc, size_t count,
}
if (accumulate)
- *stats += val;
+ stats[index] += val;
else
- *stats = val;
+ stats[index] = val;
}
-
- ++stats;
}
}
+
+void efx_nic_fix_nodesc_drop_stat(struct efx_nic *efx, u64 *rx_nodesc_drops)
+{
+ /* if down, or this is the first update after coming up */
+ if (!(efx->net_dev->flags & IFF_UP) || !efx->rx_nodesc_drops_prev_state)
+ efx->rx_nodesc_drops_while_down +=
+ *rx_nodesc_drops - efx->rx_nodesc_drops_total;
+ efx->rx_nodesc_drops_total = *rx_nodesc_drops;
+ efx->rx_nodesc_drops_prev_state = !!(efx->net_dev->flags & IFF_UP);
+ *rx_nodesc_drops -= efx->rx_nodesc_drops_while_down;
+}