Commit bf9c7141 authored by Catherine Sullivan's avatar Catherine Sullivan Committed by Jeff Kirsher

i40e: Implement set_settings for ethtool

Implement set_settings for ethtool in i40e.

Change-ID: Ie3c3fe18e8ff86c3f25b842844b3d9aabc9bba57
Signed-off-by: default avatarCatherine Sullivan <catherine.sullivan@intel.com>
Tested-by: default avatarJim Young <jamesx.m.young@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 2becc35a
...@@ -412,6 +412,163 @@ static int i40e_get_settings(struct net_device *netdev, ...@@ -412,6 +412,163 @@ static int i40e_get_settings(struct net_device *netdev,
return 0; return 0;
} }
/**
* 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_aq_get_phy_abilities_resp abilities;
struct i40e_aq_set_phy_config config;
struct i40e_pf *pf = np->vsi->back;
struct i40e_vsi *vsi = np->vsi;
struct i40e_hw *hw = &pf->hw;
struct ethtool_cmd safe_ecmd;
i40e_status status = 0;
bool change = false;
int err = 0;
u8 autoneg;
u32 advertise;
if (vsi != pf->vsi[pf->lan_vsi])
return -EOPNOTSUPP;
if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE)
return -EOPNOTSUPP;
/* get our own copy of the bits to check against */
memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
i40e_get_settings(netdev, &safe_ecmd);
/* save autoneg and speed out of ecmd */
autoneg = ecmd->autoneg;
advertise = ecmd->advertising;
/* set autoneg and speed back to what they currently are */
ecmd->autoneg = safe_ecmd.autoneg;
ecmd->advertising = safe_ecmd.advertising;
ecmd->cmd = safe_ecmd.cmd;
/* If ecmd and safe_ecmd are not the same now, then they are
* trying to set something that we do not support
*/
if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
return -EOPNOTSUPP;
while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
usleep_range(1000, 2000);
/* Get the current phy config */
status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
NULL);
if (status)
return -EAGAIN;
/* Copy link_speed and abilities to config in case they are not
* set below
*/
memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
config.link_speed = abilities.link_speed;
config.abilities = abilities.abilities;
/* Check autoneg */
if (autoneg == AUTONEG_ENABLE) {
/* If autoneg is not supported, return error */
if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
netdev_info(netdev, "Autoneg not supported on this phy\n");
return -EINVAL;
}
/* If autoneg was not already enabled */
if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
config.abilities = abilities.abilities |
I40E_AQ_PHY_ENABLE_AN;
change = true;
}
} else {
/* If autoneg is supported 10GBASE_T is the only phy that
* can disable it, so otherwise return error
*/
if (safe_ecmd.supported & SUPPORTED_Autoneg &&
hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) {
netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
return -EINVAL;
}
/* If autoneg is currently enabled */
if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
config.abilities = abilities.abilities |
~I40E_AQ_PHY_ENABLE_AN;
change = true;
}
}
if (advertise & ~safe_ecmd.supported)
return -EINVAL;
if (advertise & ADVERTISED_100baseT_Full)
if (!(abilities.link_speed & I40E_LINK_SPEED_100MB)) {
config.link_speed |= I40E_LINK_SPEED_100MB;
change = true;
}
if (advertise & ADVERTISED_1000baseT_Full ||
advertise & ADVERTISED_1000baseKX_Full)
if (!(abilities.link_speed & I40E_LINK_SPEED_1GB)) {
config.link_speed |= I40E_LINK_SPEED_1GB;
change = true;
}
if (advertise & ADVERTISED_10000baseT_Full ||
advertise & ADVERTISED_10000baseKX4_Full ||
advertise & ADVERTISED_10000baseKR_Full)
if (!(abilities.link_speed & I40E_LINK_SPEED_10GB)) {
config.link_speed |= I40E_LINK_SPEED_10GB;
change = true;
}
if (advertise & ADVERTISED_40000baseKR4_Full ||
advertise & ADVERTISED_40000baseCR4_Full ||
advertise & ADVERTISED_40000baseSR4_Full ||
advertise & ADVERTISED_40000baseLR4_Full)
if (!(abilities.link_speed & I40E_LINK_SPEED_40GB)) {
config.link_speed |= I40E_LINK_SPEED_40GB;
change = true;
}
if (change) {
/* copy over the rest of the abilities */
config.phy_type = abilities.phy_type;
config.eee_capability = abilities.eee_capability;
config.eeer = abilities.eeer_val;
config.low_power_ctrl = abilities.d3_lpan;
/* If link is up set link and an so changes take effect */
if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
/* make the aq call */
status = i40e_aq_set_phy_config(hw, &config, NULL);
if (status) {
netdev_info(netdev, "Set phy config failed with error %d.\n",
status);
return -EAGAIN;
}
status = i40e_update_link_info(hw, true);
if (status)
netdev_info(netdev, "Updating link info failed with error %d\n",
status);
} else {
netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
}
return err;
}
static int i40e_nway_reset(struct net_device *netdev) static int i40e_nway_reset(struct net_device *netdev)
{ {
/* restart autonegotiation */ /* restart autonegotiation */
...@@ -1929,6 +2086,7 @@ static int i40e_set_channels(struct net_device *dev, ...@@ -1929,6 +2086,7 @@ static int i40e_set_channels(struct net_device *dev,
static const struct ethtool_ops i40e_ethtool_ops = { static const struct ethtool_ops i40e_ethtool_ops = {
.get_settings = i40e_get_settings, .get_settings = i40e_get_settings,
.set_settings = i40e_set_settings,
.get_drvinfo = i40e_get_drvinfo, .get_drvinfo = i40e_get_drvinfo,
.get_regs_len = i40e_get_regs_len, .get_regs_len = i40e_get_regs_len,
.get_regs = i40e_get_regs, .get_regs = i40e_get_regs,
......
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