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path: root/drivers/net/ethernet/intel/ice/ice_lib.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_lib.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_lib.c29
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index 98e8b7096e47..acf3478a3f3b 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -1139,6 +1139,7 @@ static int ice_vsi_alloc_rings(struct ice_vsi *vsi)
ring->vsi = vsi;
ring->dev = &pf->pdev->dev;
ring->count = vsi->num_desc;
+ ring->itr_setting = ICE_DFLT_TX_ITR;
vsi->tx_rings[i] = ring;
}
@@ -1158,6 +1159,7 @@ static int ice_vsi_alloc_rings(struct ice_vsi *vsi)
ring->netdev = vsi->netdev;
ring->dev = &pf->pdev->dev;
ring->count = vsi->num_desc;
+ ring->itr_setting = ICE_DFLT_RX_ITR;
vsi->rx_rings[i] = ring;
}
@@ -1596,6 +1598,23 @@ err_cfg_txqs:
}
/**
+ * ice_intrl_usec_to_reg - convert interrupt rate limit to register value
+ * @intrl: interrupt rate limit in usecs
+ * @gran: interrupt rate limit granularity in usecs
+ *
+ * This function converts a decimal interrupt rate limit in usecs to the format
+ * expected by firmware.
+ */
+static u32 ice_intrl_usec_to_reg(u8 intrl, u8 gran)
+{
+ u32 val = intrl / gran;
+
+ if (val)
+ return val | GLINT_RATE_INTRL_ENA_M;
+ return 0;
+}
+
+/**
* ice_vsi_cfg_msix - MSIX mode Interrupt Config in the HW
* @vsi: the VSI being configured
*/
@@ -1611,23 +1630,27 @@ void ice_vsi_cfg_msix(struct ice_vsi *vsi)
for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
struct ice_q_vector *q_vector = vsi->q_vectors[i];
- itr_gran = hw->itr_gran_200;
+ itr_gran = hw->itr_gran;
+
+ q_vector->intrl = ICE_DFLT_INTRL;
if (q_vector->num_ring_rx) {
q_vector->rx.itr =
- ITR_TO_REG(vsi->rx_rings[rxq]->rx_itr_setting,
+ ITR_TO_REG(vsi->rx_rings[rxq]->itr_setting,
itr_gran);
q_vector->rx.latency_range = ICE_LOW_LATENCY;
}
if (q_vector->num_ring_tx) {
q_vector->tx.itr =
- ITR_TO_REG(vsi->tx_rings[txq]->tx_itr_setting,
+ ITR_TO_REG(vsi->tx_rings[txq]->itr_setting,
itr_gran);
q_vector->tx.latency_range = ICE_LOW_LATENCY;
}
wr32(hw, GLINT_ITR(ICE_RX_ITR, vector), q_vector->rx.itr);
wr32(hw, GLINT_ITR(ICE_TX_ITR, vector), q_vector->tx.itr);
+ wr32(hw, GLINT_RATE(vector),
+ ice_intrl_usec_to_reg(q_vector->intrl, hw->intrl_gran));
/* Both Transmit Queue Interrupt Cause Control register
* and Receive Queue Interrupt Cause control register