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Date: Wed, 18 Dec 2013 22:34:41 -0800
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: davem@...emloft.net
Cc: Shannon Nelson <shannon.nelson@...el.com>, netdev@...r.kernel.org,
gospo@...hat.com, sassmann@...hat.com,
Jesse Brandeburg <jesse.brandeburg@...el.com>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 05/15] i40e: add set settings and pauseparam
From: Shannon Nelson <shannon.nelson@...el.com>
This implements the set_settings and set_pauseparam ethtool
functionality.
Change-Id: I4634ee2c8bce00204edac7df9f0af4fb7bf33b75
Signed-off-by: Shannon Nelson <shannon.nelson@...el.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 97 ++++++++++++++++++++++++++
1 file changed, 97 insertions(+)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 255a138..a12dd01 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -261,6 +261,61 @@ static int i40e_get_settings(struct net_device *netdev,
}
/**
+ * i40e_set_settings - Set Speed and Duplex
+ * @netdev: network interface device structure
+ * @ecmd: ethtool command
+ *
+ * Set speed/duplex per media_types advertised/forced
+ **/
+static int i40e_set_settings(struct net_device *netdev,
+ struct ethtool_cmd *ecmd)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_hw *hw = &pf->hw;
+ u32 old_link, advertised;
+ int err = 0;
+
+ if (vsi != pf->vsi[pf->lan_vsi])
+ return -EOPNOTSUPP;
+
+ while (test_and_set_bit(__I40E_CONFIG_BUSY, &vsi->state))
+ usleep_range(1000, 2000);
+
+ if ((hw->phy.media_type == I40E_MEDIA_TYPE_BASET) ||
+ (hw->phy.media_type == I40E_MEDIA_TYPE_FIBER)) {
+ if (ecmd->autoneg == AUTONEG_DISABLE)
+ goto clear_reset;
+ if (ecmd->advertising & ~ecmd->supported)
+ goto clear_reset;
+ old_link = hw->phy.autoneg_advertised;
+ advertised = 0;
+
+ if (ecmd->advertising & (ADVERTISED_40000baseCR4_Full |
+ ADVERTISED_40000baseKR4_Full |
+ ADVERTISED_40000baseSR4_Full |
+ ADVERTISED_40000baseLR4_Full))
+ advertised |= I40E_LINK_SPEED_40GB;
+ if (ecmd->advertising & (ADVERTISED_10000baseKX4_Full |
+ ADVERTISED_10000baseKR_Full |
+ ADVERTISED_10000baseT_Full))
+ advertised |= I40E_LINK_SPEED_10GB;
+ if (ecmd->advertising & ADVERTISED_1000baseT_Full)
+ advertised |= I40E_LINK_SPEED_1GB;
+ if (old_link == advertised) {
+ err = 0;
+ goto clear_reset;
+ }
+ hw->phy.get_link_info = true;
+ }
+clear_reset:
+ clear_bit(__I40E_CONFIG_BUSY, &vsi->state);
+
+ return err;
+}
+
+/**
* i40e_get_pauseparam - Get Flow Control status
* Return tx/rx-pause status
**/
@@ -286,6 +341,46 @@ static void i40e_get_pauseparam(struct net_device *netdev,
}
}
+/**
+ * i40e_set_pauseparam - Set Flow Control parameter
+ * @netdev: network interface device structure
+ * @pause: return tx/rx flow control status
+ **/
+static int i40e_set_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_pf *pf = np->vsi->back;
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_hw *hw = &pf->hw;
+ struct i40e_fc_info fc;
+
+ if (vsi != pf->vsi[pf->lan_vsi])
+ return -EOPNOTSUPP;
+
+ fc = hw->fc;
+ pf->fc_autoneg_status = pause->autoneg;
+
+ if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
+ fc.requested_mode = I40E_FC_FULL;
+ else if (pause->rx_pause && !pause->tx_pause)
+ fc.requested_mode = I40E_FC_RX_PAUSE;
+ else if (!pause->rx_pause && pause->tx_pause)
+ fc.requested_mode = I40E_FC_TX_PAUSE;
+ else if (!pause->rx_pause && !pause->tx_pause)
+ fc.requested_mode = I40E_FC_NONE;
+ else
+ return -EINVAL;
+
+ fc.current_mode = fc.requested_mode;
+
+ /* if the status changed, then we will use updated autoneg*/
+ if (memcmp(&fc, &hw->fc, sizeof(struct i40e_fc_info)))
+ hw->fc = fc;
+
+ return 0;
+}
+
static u32 i40e_get_msglevel(struct net_device *netdev)
{
struct i40e_netdev_priv *np = netdev_priv(netdev);
@@ -1599,6 +1694,7 @@ static int i40e_set_channels(struct net_device *dev,
static const struct ethtool_ops i40e_ethtool_ops = {
.get_settings = i40e_get_settings,
+ .set_settings = i40e_set_settings,
.get_drvinfo = i40e_get_drvinfo,
.get_regs_len = i40e_get_regs_len,
.get_regs = i40e_get_regs,
@@ -1611,6 +1707,7 @@ static const struct ethtool_ops i40e_ethtool_ops = {
.get_ringparam = i40e_get_ringparam,
.set_ringparam = i40e_set_ringparam,
.get_pauseparam = i40e_get_pauseparam,
+ .set_pauseparam = i40e_set_pauseparam,
.get_msglevel = i40e_get_msglevel,
.set_msglevel = i40e_set_msglevel,
.get_rxnfc = i40e_get_rxnfc,
--
1.8.3.1
--
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