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sfp/phylink: move module EEPROM ethtool access into netdev core ethtool 

Provide a pointer to the SFP bus in struct net_device, so that the
ethtool module EEPROM methods can access the SFP directly, rather
than needing every user to provide a hook for it.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Russell King 2018-03-28 15:44:16 -07:00 committed by David S. Miller
parent c6ab3008b6
commit e679c9c1db
6 changed files with 12 additions and 53 deletions
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18
drivers/net/ethernet/marvell/mvneta.c
View File

@ -4075,22 +4075,6 @@ static int mvneta_ethtool_set_wol(struct net_device *dev,
return ret;
}
static int mvneta_ethtool_get_module_info(struct net_device *dev,
struct ethtool_modinfo *modinfo)
{
struct mvneta_port *pp = netdev_priv(dev);
return phylink_ethtool_get_module_info(pp->phylink, modinfo);
}
static int mvneta_ethtool_get_module_eeprom(struct net_device *dev,
struct ethtool_eeprom *ee, u8 *buf)
{
struct mvneta_port *pp = netdev_priv(dev);
return phylink_ethtool_get_module_eeprom(pp->phylink, ee, buf);
}
static int mvneta_ethtool_get_eee(struct net_device *dev,
struct ethtool_eee *eee)
{
@ -4165,8 +4149,6 @@ static const struct ethtool_ops mvneta_eth_tool_ops = {
.set_link_ksettings = mvneta_ethtool_set_link_ksettings,
.get_wol = mvneta_ethtool_get_wol,
.set_wol = mvneta_ethtool_set_wol,
.get_module_info = mvneta_ethtool_get_module_info,
.get_module_eeprom = mvneta_ethtool_get_module_eeprom,
.get_eee = mvneta_ethtool_get_eee,
.set_eee = mvneta_ethtool_set_eee,
};

28
drivers/net/phy/phylink.c
View File

@ -1250,34 +1250,6 @@ int phylink_ethtool_set_pauseparam(struct phylink *pl,
}
EXPORT_SYMBOL_GPL(phylink_ethtool_set_pauseparam);
int phylink_ethtool_get_module_info(struct phylink *pl,
struct ethtool_modinfo *modinfo)
{
int ret = -EOPNOTSUPP;
WARN_ON(!lockdep_rtnl_is_held());
if (pl->sfp_bus)
ret = sfp_get_module_info(pl->sfp_bus, modinfo);
return ret;
}
EXPORT_SYMBOL_GPL(phylink_ethtool_get_module_info);
int phylink_ethtool_get_module_eeprom(struct phylink *pl,
struct ethtool_eeprom *ee, u8 *buf)
{
int ret = -EOPNOTSUPP;
WARN_ON(!lockdep_rtnl_is_held());
if (pl->sfp_bus)
ret = sfp_get_module_eeprom(pl->sfp_bus, ee, buf);
return ret;
}
EXPORT_SYMBOL_GPL(phylink_ethtool_get_module_eeprom);
/**
* phylink_ethtool_get_eee_err() - read the energy efficient ethernet error
* counter

6
drivers/net/phy/sfp-bus.c
View File

@ -342,6 +342,7 @@ static int sfp_register_bus(struct sfp_bus *bus)
}
if (bus->started)
bus->socket_ops->start(bus->sfp);
bus->netdev->sfp_bus = bus;
bus->registered = true;
return 0;
}
@ -356,6 +357,7 @@ static void sfp_unregister_bus(struct sfp_bus *bus)
if (bus->phydev && ops && ops->disconnect_phy)
ops->disconnect_phy(bus->upstream);
}
bus->netdev->sfp_bus = NULL;
bus->registered = false;
}
@ -371,8 +373,6 @@ static void sfp_unregister_bus(struct sfp_bus *bus)
*/
int sfp_get_module_info(struct sfp_bus *bus, struct ethtool_modinfo *modinfo)
{
if (!bus->registered)
return -ENOIOCTLCMD;
return bus->socket_ops->module_info(bus->sfp, modinfo);
}
EXPORT_SYMBOL_GPL(sfp_get_module_info);
@ -391,8 +391,6 @@ EXPORT_SYMBOL_GPL(sfp_get_module_info);
int sfp_get_module_eeprom(struct sfp_bus *bus, struct ethtool_eeprom *ee,
u8 *data)
{
if (!bus->registered)
return -ENOIOCTLCMD;
return bus->socket_ops->module_eeprom(bus->sfp, ee, data);
}
EXPORT_SYMBOL_GPL(sfp_get_module_eeprom);

3
include/linux/netdevice.h
View File

@ -58,6 +58,7 @@ struct device;
struct phy_device;
struct dsa_port;
struct sfp_bus;
/* 802.11 specific */
struct wireless_dev;
/* 802.15.4 specific */
@ -1662,6 +1663,7 @@ enum netdev_priv_flags {
* @priomap: XXX: need comments on this one
* @phydev: Physical device may attach itself
* for hardware timestamping
* @sfp_bus: attached &struct sfp_bus structure.
*
* @qdisc_tx_busylock: lockdep class annotating Qdisc->busylock spinlock
* @qdisc_running_key: lockdep class annotating Qdisc->running seqcount
@ -1945,6 +1947,7 @@ struct net_device {
struct netprio_map __rcu *priomap;
#endif
struct phy_device *phydev;
struct sfp_bus *sfp_bus;
struct lock_class_key *qdisc_tx_busylock;
struct lock_class_key *qdisc_running_key;
bool proto_down;

3
include/linux/phylink.h
View File

@ -219,9 +219,6 @@ void phylink_ethtool_get_pauseparam(struct phylink *,
struct ethtool_pauseparam *);
int phylink_ethtool_set_pauseparam(struct phylink *,
struct ethtool_pauseparam *);
int phylink_ethtool_get_module_info(struct phylink *, struct ethtool_modinfo *);
int phylink_ethtool_get_module_eeprom(struct phylink *,
struct ethtool_eeprom *, u8 *);
int phylink_get_eee_err(struct phylink *);
int phylink_ethtool_get_eee(struct phylink *, struct ethtool_eee *);
int phylink_ethtool_set_eee(struct phylink *, struct ethtool_eee *);

7
net/core/ethtool.c
View File

@ -22,6 +22,7 @@
#include <linux/bitops.h>
#include <linux/uaccess.h>
#include <linux/vmalloc.h>
#include <linux/sfp.h>
#include <linux/slab.h>
#include <linux/rtnetlink.h>
#include <linux/sched/signal.h>
@ -2245,6 +2246,9 @@ static int __ethtool_get_module_info(struct net_device *dev,
const struct ethtool_ops *ops = dev->ethtool_ops;
struct phy_device *phydev = dev->phydev;
if (dev->sfp_bus)
return sfp_get_module_info(dev->sfp_bus, modinfo);
if (phydev && phydev->drv && phydev->drv->module_info)
return phydev->drv->module_info(phydev, modinfo);
@ -2279,6 +2283,9 @@ static int __ethtool_get_module_eeprom(struct net_device *dev,
const struct ethtool_ops *ops = dev->ethtool_ops;
struct phy_device *phydev = dev->phydev;
if (dev->sfp_bus)
return sfp_get_module_eeprom(dev->sfp_bus, ee, data);
if (phydev && phydev->drv && phydev->drv->module_eeprom)
return phydev->drv->module_eeprom(phydev, ee, data);