In order to untangle the ethtool/cabletest feature with the PHY library,
make the PHY library functions take a net_device argument and derive the
phy_device reference from there.
No functional changes introduced.
Signed-off-by: Florian Fainelli <f.faine...@gmail.com>
---
drivers/net/phy/phy.c | 18 ++++++++++++++----
include/linux/phy.h | 8 ++++----
net/ethtool/cabletest.c | 4 ++--
3 files changed, 20 insertions(+), 10 deletions(-)
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 56cfae950472..fbb74f37b961 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -489,12 +489,17 @@ static void phy_abort_cable_test(struct phy_device
*phydev)
phydev_err(phydev, "Error while aborting cable test");
}
-int phy_start_cable_test(struct phy_device *phydev,
+int phy_start_cable_test(struct net_device *dev,
struct netlink_ext_ack *extack)
{
- struct net_device *dev = phydev->attached_dev;
+ struct phy_device *phydev = dev->phydev;
int err = -ENOMEM;
+ if (!dev->phydev) {
+ NL_SET_ERR_MSG(extack, "Network device not attached to a PHY");
+ return -EOPNOTSUPP;
+ }
+
if (!(phydev->drv &&
phydev->drv->cable_test_start &&
phydev->drv->cable_test_get_status)) {
@@ -552,13 +557,18 @@ int phy_start_cable_test(struct phy_device *phydev,
}
EXPORT_SYMBOL(phy_start_cable_test);
-int phy_start_cable_test_tdr(struct phy_device *phydev,
+int phy_start_cable_test_tdr(struct net_device *dev,
struct netlink_ext_ack *extack,
const struct phy_tdr_config *config)
{
- struct net_device *dev = phydev->attached_dev;
+ struct phy_device *phydev = dev->phydev;
int err = -ENOMEM;
+ if (!dev->phydev) {
+ NL_SET_ERR_MSG(extack, "Network device not attached to a PHY");
+ return -EOPNOTSUPP;
+ }
+
if (!(phydev->drv &&
phydev->drv->cable_test_tdr_start &&
phydev->drv->cable_test_get_status)) {
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 101a48fa6750..53b95c52869d 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -1266,21 +1266,21 @@ int phy_restart_aneg(struct phy_device *phydev);
int phy_reset_after_clk_enable(struct phy_device *phydev);
#if IS_ENABLED(CONFIG_PHYLIB)
-int phy_start_cable_test(struct phy_device *phydev,
+int phy_start_cable_test(struct net_device *dev,
struct netlink_ext_ack *extack);
-int phy_start_cable_test_tdr(struct phy_device *phydev,
+int phy_start_cable_test_tdr(struct net_device *dev,
struct netlink_ext_ack *extack,
const struct phy_tdr_config *config);
#else
static inline
-int phy_start_cable_test(struct phy_device *phydev,
+int phy_start_cable_test(struct net_device *dev,
struct netlink_ext_ack *extack)
{
NL_SET_ERR_MSG(extack, "Kernel not compiled with PHYLIB support");
return -EOPNOTSUPP;
}
static inline
-int phy_start_cable_test_tdr(struct phy_device *phydev,
+int phy_start_cable_test_tdr(struct net_device *dev,
struct netlink_ext_ack *extack,
const struct phy_tdr_config *config)
{
diff --git a/net/ethtool/cabletest.c b/net/ethtool/cabletest.c
index 7194956aa09e..0d940a91493b 100644
--- a/net/ethtool/cabletest.c
+++ b/net/ethtool/cabletest.c
@@ -85,7 +85,7 @@ int ethnl_act_cable_test(struct sk_buff *skb, struct
genl_info *info)
if (ret < 0)
goto out_rtnl;
- ret = phy_start_cable_test(dev->phydev, info->extack);
+ ret = phy_start_cable_test(dev, info->extack);
ethnl_ops_complete(dev);
@@ -341,7 +341,7 @@ int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct
genl_info *info)
if (ret < 0)
goto out_rtnl;
- ret = phy_start_cable_test_tdr(dev->phydev, info->extack, &cfg);
+ ret = phy_start_cable_test_tdr(dev, info->extack, &cfg);
ethnl_ops_complete(dev);
--
2.25.1
