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// SPDX-License-Identifier: GPL-2.0
#define pr_fmt(fmt) "bcmasp_ethtool: " fmt
#include <linux/ethtool.h>
#include <linux/netdevice.h>
#include <linux/platform_device.h>
#include "bcmasp.h"
#include "bcmasp_intf_defs.h"
static void bcmasp_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strscpy(info->driver, "bcmasp", sizeof(info->driver));
strscpy(info->bus_info, dev_name(dev->dev.parent),
sizeof(info->bus_info));
}
static u32 bcmasp_get_msglevel(struct net_device *dev)
{
struct bcmasp_intf *intf = netdev_priv(dev);
return intf->msg_enable;
}
static void bcmasp_set_msglevel(struct net_device *dev, u32 level)
{
struct bcmasp_intf *intf = netdev_priv(dev);
intf->msg_enable = level;
}
#define BCMASP_SUPPORTED_WAKE (WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_FILTER)
static void bcmasp_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct bcmasp_intf *intf = netdev_priv(dev);
wol->supported = BCMASP_SUPPORTED_WAKE;
wol->wolopts = intf->wolopts;
memset(wol->sopass, 0, sizeof(wol->sopass));
if (wol->wolopts & WAKE_MAGICSECURE)
memcpy(wol->sopass, intf->sopass, sizeof(intf->sopass));
}
static int bcmasp_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct bcmasp_intf *intf = netdev_priv(dev);
struct bcmasp_priv *priv = intf->parent;
struct device *kdev = &priv->pdev->dev;
if (!device_can_wakeup(kdev))
return -EOPNOTSUPP;
/* Interface Specific */
intf->wolopts = wol->wolopts;
if (intf->wolopts & WAKE_MAGICSECURE)
memcpy(intf->sopass, wol->sopass, sizeof(wol->sopass));
mutex_lock(&priv->wol_lock);
priv->enable_wol(intf, !!intf->wolopts);
mutex_unlock(&priv->wol_lock);
return 0;
}
static int bcmasp_flow_insert(struct net_device *dev, struct ethtool_rxnfc *cmd)
{
struct bcmasp_intf *intf = netdev_priv(dev);
struct bcmasp_net_filter *nfilter;
u32 loc = cmd->fs.location;
bool wake = false;
if (cmd->fs.ring_cookie == RX_CLS_FLOW_WAKE)
wake = true;
/* Currently only supports WAKE filters */
if (!wake)
return -EOPNOTSUPP;
switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
case ETHER_FLOW:
case IP_USER_FLOW:
case TCP_V4_FLOW:
case UDP_V4_FLOW:
case TCP_V6_FLOW:
case UDP_V6_FLOW:
break;
default:
return -EOPNOTSUPP;
}
/* Check if filter already exists */
if (bcmasp_netfilt_check_dup(intf, &cmd->fs))
return -EINVAL;
nfilter = bcmasp_netfilt_get_init(intf, loc, wake, true);
if (IS_ERR(nfilter))
return PTR_ERR(nfilter);
/* Return the location where we did insert the filter */
cmd->fs.location = nfilter->hw_index;
memcpy(&nfilter->fs, &cmd->fs, sizeof(struct ethtool_rx_flow_spec));
/* Since we only support wake filters, defer register programming till
* suspend time.
*/
return 0;
}
static int bcmasp_flow_delete(struct net_device *dev, struct ethtool_rxnfc *cmd)
{
struct bcmasp_intf *intf = netdev_priv(dev);
struct bcmasp_net_filter *nfilter;
nfilter = bcmasp_netfilt_get_init(intf, cmd->fs.location, false, false);
if (IS_ERR(nfilter))
return PTR_ERR(nfilter);
bcmasp_netfilt_release(intf, nfilter);
return 0;
}
static int bcmasp_flow_get(struct bcmasp_intf *intf, struct ethtool_rxnfc *cmd)
{
struct bcmasp_net_filter *nfilter;
nfilter = bcmasp_netfilt_get_init(intf, cmd->fs.location, false, false);
if (IS_ERR(nfilter))
return PTR_ERR(nfilter);
memcpy(&cmd->fs, &nfilter->fs, sizeof(nfilter->fs));
cmd->data = NUM_NET_FILTERS;
return 0;
}
static int bcmasp_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
{
struct bcmasp_intf *intf = netdev_priv(dev);
int ret = -EOPNOTSUPP;
mutex_lock(&intf->parent->net_lock);
switch (cmd->cmd) {
case ETHTOOL_SRXCLSRLINS:
ret = bcmasp_flow_insert(dev, cmd);
break;
case ETHTOOL_SRXCLSRLDEL:
ret = bcmasp_flow_delete(dev, cmd);
break;
default:
break;
}
mutex_unlock(&intf->parent->net_lock);
return ret;
}
static int bcmasp_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
u32 *rule_locs)
{
struct bcmasp_intf *intf = netdev_priv(dev);
int err = 0;
mutex_lock(&intf->parent->net_lock);
switch (cmd->cmd) {
case ETHTOOL_GRXCLSRLCNT:
cmd->rule_cnt = bcmasp_netfilt_get_active(intf);
/* We support specifying rule locations */
cmd->data |= RX_CLS_LOC_SPECIAL;
break;
case ETHTOOL_GRXCLSRULE:
err = bcmasp_flow_get(intf, cmd);
break;
case ETHTOOL_GRXCLSRLALL:
bcmasp_netfilt_get_all_active(intf, rule_locs, &cmd->rule_cnt);
cmd->data = NUM_NET_FILTERS;
break;
default:
err = -EOPNOTSUPP;
break;
}
mutex_unlock(&intf->parent->net_lock);
return err;
}
void bcmasp_eee_enable_set(struct bcmasp_intf *intf, bool enable)
{
u32 reg;
reg = umac_rl(intf, UMC_EEE_CTRL);
if (enable)
reg |= EEE_EN;
else
reg &= ~EEE_EN;
umac_wl(intf, reg, UMC_EEE_CTRL);
intf->eee.eee_enabled = enable;
intf->eee.eee_active = enable;
}
static int bcmasp_get_eee(struct net_device *dev, struct ethtool_eee *e)
{
struct bcmasp_intf *intf = netdev_priv(dev);
struct ethtool_eee *p = &intf->eee;
if (!dev->phydev)
return -ENODEV;
e->eee_enabled = p->eee_enabled;
e->eee_active = p->eee_active;
e->tx_lpi_enabled = p->tx_lpi_enabled;
e->tx_lpi_timer = umac_rl(intf, UMC_EEE_LPI_TIMER);
return phy_ethtool_get_eee(dev->phydev, e);
}
static int bcmasp_set_eee(struct net_device *dev, struct ethtool_eee *e)
{
struct bcmasp_intf *intf = netdev_priv(dev);
struct ethtool_eee *p = &intf->eee;
int ret;
if (!dev->phydev)
return -ENODEV;
if (!p->eee_enabled) {
bcmasp_eee_enable_set(intf, false);
} else {
ret = phy_init_eee(dev->phydev, 0);
if (ret) {
netif_err(intf, hw, dev,
"EEE initialization failed: %d\n", ret);
return ret;
}
umac_wl(intf, e->tx_lpi_timer, UMC_EEE_LPI_TIMER);
intf->eee.eee_active = ret >= 0;
intf->eee.tx_lpi_enabled = e->tx_lpi_enabled;
bcmasp_eee_enable_set(intf, true);
}
return phy_ethtool_set_eee(dev->phydev, e);
}
const struct ethtool_ops bcmasp_ethtool_ops = {
.get_drvinfo = bcmasp_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_link_ksettings = phy_ethtool_get_link_ksettings,
.set_link_ksettings = phy_ethtool_set_link_ksettings,
.get_msglevel = bcmasp_get_msglevel,
.set_msglevel = bcmasp_set_msglevel,
.get_wol = bcmasp_get_wol,
.set_wol = bcmasp_set_wol,
.get_rxnfc = bcmasp_get_rxnfc,
.set_rxnfc = bcmasp_set_rxnfc,
.set_eee = bcmasp_set_eee,
.get_eee = bcmasp_get_eee,
};
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