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path: root/drivers/net/ethernet/sfc/efx.c
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Diffstat (limited to 'drivers/net/ethernet/sfc/efx.c')
-rw-r--r--drivers/net/ethernet/sfc/efx.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 097ed8b4a79a..e0157c03d313 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -1585,6 +1585,24 @@ void efx_init_irq_moderation(struct efx_nic *efx, unsigned int tx_usecs,
}
}
+void efx_get_irq_moderation(struct efx_nic *efx, unsigned int *tx_usecs,
+ unsigned int *rx_usecs, bool *rx_adaptive)
+{
+ *rx_adaptive = efx->irq_rx_adaptive;
+ *rx_usecs = efx->irq_rx_moderation * EFX_IRQ_MOD_RESOLUTION;
+
+ /* If channels are shared between RX and TX, so is IRQ
+ * moderation. Otherwise, IRQ moderation is the same for all
+ * TX channels and is not adaptive.
+ */
+ if (efx->tx_channel_offset == 0)
+ *tx_usecs = *rx_usecs;
+ else
+ *tx_usecs =
+ efx->channel[efx->tx_channel_offset]->irq_moderation *
+ EFX_IRQ_MOD_RESOLUTION;
+}
+
/**************************************************************************
*
* Hardware monitor