From: Kan Liang <kan.li...@intel.com>
Handle ndo_get_per_queue_tx_usecs and ndo_set_per_queue_tx_usecs
options for i40e driver specifically.
Signed-off-by: Kan Liang <kan.li...@intel.com>
---
drivers/net/ethernet/intel/i40e/i40e_main.c | 39 +++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c
b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 4b7d874..d4310ae 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -8673,6 +8673,43 @@ static int i40e_ndo_bridge_getlink(struct sk_buff *skb,
u32 pid, u32 seq,
nlflags, 0, 0, filter_mask, NULL);
}
+/**
+ * i40e_ndo_get_per_queue_tx_usecs - Get per queue coalesce parameter tx_usecs
+ * @dev: the netdev being configured
+ * @index: queue index
+ *
+ * Return tx_usecs for specific channel
+ **/
+u32 i40e_ndo_get_per_queue_tx_usecs(struct net_device *dev, int index)
+{
+ struct i40e_netdev_priv *np = netdev_priv(dev);
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ struct i40e_hw *hw = &pf->hw;
+ u32 val;
+
+ val = rd32(hw, I40E_PFINT_ITRN(1, index));
+
+ return (val * 2);
+}
+
+/**
+ * i40e_ndo_set_per_queue_tx_usecs - Set per queue coalesce parameter tx_usecs
+ * @dev: the netdev being configured
+ * @index: queue index
+ * @val: tx_usecs value
+ **/
+void i40e_ndo_set_per_queue_tx_usecs(struct net_device *dev, int index, u32
val)
+{
+ struct i40e_netdev_priv *np = netdev_priv(dev);
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ struct i40e_hw *hw = &pf->hw;
+
+ wr32(hw, I40E_PFINT_ITRN(1, index), val / 2);
+ i40e_flush(hw);
+}
+
#define I40E_MAX_TUNNEL_HDR_LEN 80
/**
* i40e_features_check - Validate encapsulated packet conforms to limits
@@ -8729,6 +8766,8 @@ static const struct net_device_ops i40e_netdev_ops = {
.ndo_features_check = i40e_features_check,
.ndo_bridge_getlink = i40e_ndo_bridge_getlink,
.ndo_bridge_setlink = i40e_ndo_bridge_setlink,
+ .ndo_get_per_queue_tx_usecs = i40e_ndo_get_per_queue_tx_usecs,
+ .ndo_set_per_queue_tx_usecs = i40e_ndo_set_per_queue_tx_usecs,
};
/**
--
1.7.11.7
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