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-rw-r--r--drivers/net/ethernet/ti/netcp_ethss.c2
-rw-r--r--drivers/net/phy/bcm-phy-ptp.c21
-rw-r--r--drivers/net/phy/dp83640.c29
-rw-r--r--drivers/net/phy/micrel.c16
-rw-r--r--drivers/net/phy/microchip_rds_ptp.c8
-rw-r--r--drivers/net/phy/mscc/mscc_ptp.c21
-rw-r--r--drivers/net/phy/nxp-c45-tja11xx.c22
-rw-r--r--drivers/net/phy/phy.c14
-rw-r--r--drivers/ptp/ptp_ines.c31
-rw-r--r--include/linux/mii_timestamper.h13
-rw-r--r--include/linux/phy.h4
-rw-r--r--net/core/dev_ioctl.c9
12 files changed, 139 insertions, 51 deletions
diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c
index 4f6cc6cd1f03..8f46e9be76b1 100644
--- a/drivers/net/ethernet/ti/netcp_ethss.c
+++ b/drivers/net/ethernet/ti/netcp_ethss.c
@@ -2657,7 +2657,7 @@ static int gbe_hwtstamp_set(void *intf_priv, struct kernel_hwtstamp_config *cfg,
phy = gbe_intf->slave->phy;
if (phy_has_hwtstamp(phy))
- return phy->mii_ts->hwtstamp(phy->mii_ts, cfg, extack);
+ return phy->mii_ts->hwtstamp_set(phy->mii_ts, cfg, extack);
switch (cfg->tx_type) {
case HWTSTAMP_TX_OFF:
diff --git a/drivers/net/phy/bcm-phy-ptp.c b/drivers/net/phy/bcm-phy-ptp.c
index d3501f8487d9..65d609ed69fb 100644
--- a/drivers/net/phy/bcm-phy-ptp.c
+++ b/drivers/net/phy/bcm-phy-ptp.c
@@ -780,9 +780,21 @@ out:
kfree_skb(skb);
}
-static int bcm_ptp_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *cfg,
- struct netlink_ext_ack *extack)
+static int bcm_ptp_hwtstamp_get(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg)
+{
+ struct bcm_ptp_private *priv = mii2priv(mii_ts);
+
+ cfg->rx_filter = priv->hwts_rx ? HWTSTAMP_FILTER_PTP_V2_EVENT
+ : HWTSTAMP_FILTER_NONE;
+ cfg->tx_type = priv->tx_type;
+
+ return 0;
+}
+
+static int bcm_ptp_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct bcm_ptp_private *priv = mii2priv(mii_ts);
u16 mode, ctrl;
@@ -898,7 +910,8 @@ static void bcm_ptp_init(struct bcm_ptp_private *priv)
priv->mii_ts.rxtstamp = bcm_ptp_rxtstamp;
priv->mii_ts.txtstamp = bcm_ptp_txtstamp;
- priv->mii_ts.hwtstamp = bcm_ptp_hwtstamp;
+ priv->mii_ts.hwtstamp_set = bcm_ptp_hwtstamp_set;
+ priv->mii_ts.hwtstamp_get = bcm_ptp_hwtstamp_get;
priv->mii_ts.ts_info = bcm_ptp_ts_info;
priv->phydev->mii_ts = &priv->mii_ts;
diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index 74396453f5bb..b950acc9c49b 100644
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -1176,9 +1176,21 @@ static irqreturn_t dp83640_handle_interrupt(struct phy_device *phydev)
return IRQ_HANDLED;
}
-static int dp83640_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *cfg,
- struct netlink_ext_ack *extack)
+static int dp83640_hwtstamp_get(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg)
+{
+ struct dp83640_private *dp83640 =
+ container_of(mii_ts, struct dp83640_private, mii_ts);
+
+ cfg->rx_filter = dp83640->hwts_rx_en;
+ cfg->tx_type = dp83640->hwts_tx_en;
+
+ return 0;
+}
+
+static int dp83640_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct dp83640_private *dp83640 =
container_of(mii_ts, struct dp83640_private, mii_ts);
@@ -1198,7 +1210,7 @@ static int dp83640_hwtstamp(struct mii_timestamper *mii_ts,
case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
- dp83640->hwts_rx_en = 1;
+ dp83640->hwts_rx_en = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
dp83640->layer = PTP_CLASS_L4;
dp83640->version = PTP_CLASS_V1;
cfg->rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
@@ -1206,7 +1218,7 @@ static int dp83640_hwtstamp(struct mii_timestamper *mii_ts,
case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
- dp83640->hwts_rx_en = 1;
+ dp83640->hwts_rx_en = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
dp83640->layer = PTP_CLASS_L4;
dp83640->version = PTP_CLASS_V2;
cfg->rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
@@ -1214,7 +1226,7 @@ static int dp83640_hwtstamp(struct mii_timestamper *mii_ts,
case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
- dp83640->hwts_rx_en = 1;
+ dp83640->hwts_rx_en = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
dp83640->layer = PTP_CLASS_L2;
dp83640->version = PTP_CLASS_V2;
cfg->rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
@@ -1222,7 +1234,7 @@ static int dp83640_hwtstamp(struct mii_timestamper *mii_ts,
case HWTSTAMP_FILTER_PTP_V2_EVENT:
case HWTSTAMP_FILTER_PTP_V2_SYNC:
case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
- dp83640->hwts_rx_en = 1;
+ dp83640->hwts_rx_en = HWTSTAMP_FILTER_PTP_V2_EVENT;
dp83640->layer = PTP_CLASS_L4 | PTP_CLASS_L2;
dp83640->version = PTP_CLASS_V2;
cfg->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
@@ -1407,7 +1419,8 @@ static int dp83640_probe(struct phy_device *phydev)
dp83640->phydev = phydev;
dp83640->mii_ts.rxtstamp = dp83640_rxtstamp;
dp83640->mii_ts.txtstamp = dp83640_txtstamp;
- dp83640->mii_ts.hwtstamp = dp83640_hwtstamp;
+ dp83640->mii_ts.hwtstamp_set = dp83640_hwtstamp_set;
+ dp83640->mii_ts.hwtstamp_get = dp83640_hwtstamp_get;
dp83640->mii_ts.ts_info = dp83640_ts_info;
INIT_DELAYED_WORK(&dp83640->ts_work, rx_timestamp_work);
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 5d90ccc20df7..05de68b9f719 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -3147,9 +3147,9 @@ static void lan8814_flush_fifo(struct phy_device *phydev, bool egress)
lanphy_read_page_reg(phydev, LAN8814_PAGE_PORT_REGS, PTP_TSU_INT_STS);
}
-static int lan8814_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *config,
- struct netlink_ext_ack *extack)
+static int lan8814_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *config,
+ struct netlink_ext_ack *extack)
{
struct kszphy_ptp_priv *ptp_priv =
container_of(mii_ts, struct kszphy_ptp_priv, mii_ts);
@@ -4389,7 +4389,7 @@ static void lan8814_ptp_init(struct phy_device *phydev)
ptp_priv->mii_ts.rxtstamp = lan8814_rxtstamp;
ptp_priv->mii_ts.txtstamp = lan8814_txtstamp;
- ptp_priv->mii_ts.hwtstamp = lan8814_hwtstamp;
+ ptp_priv->mii_ts.hwtstamp_set = lan8814_hwtstamp_set;
ptp_priv->mii_ts.ts_info = lan8814_ts_info;
phydev->mii_ts = &ptp_priv->mii_ts;
@@ -5042,9 +5042,9 @@ static void lan8841_ptp_enable_processing(struct kszphy_ptp_priv *ptp_priv,
#define LAN8841_PTP_TX_TIMESTAMP_EN 443
#define LAN8841_PTP_TX_MOD 445
-static int lan8841_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *config,
- struct netlink_ext_ack *extack)
+static int lan8841_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *config,
+ struct netlink_ext_ack *extack)
{
struct kszphy_ptp_priv *ptp_priv = container_of(mii_ts, struct kszphy_ptp_priv, mii_ts);
struct phy_device *phydev = ptp_priv->phydev;
@@ -5924,7 +5924,7 @@ static int lan8841_probe(struct phy_device *phydev)
ptp_priv->mii_ts.rxtstamp = lan8841_rxtstamp;
ptp_priv->mii_ts.txtstamp = lan8814_txtstamp;
- ptp_priv->mii_ts.hwtstamp = lan8841_hwtstamp;
+ ptp_priv->mii_ts.hwtstamp_set = lan8841_hwtstamp_set;
ptp_priv->mii_ts.ts_info = lan8841_ts_info;
phydev->mii_ts = &ptp_priv->mii_ts;
diff --git a/drivers/net/phy/microchip_rds_ptp.c b/drivers/net/phy/microchip_rds_ptp.c
index e6514ce04c29..4c6326b0ceaf 100644
--- a/drivers/net/phy/microchip_rds_ptp.c
+++ b/drivers/net/phy/microchip_rds_ptp.c
@@ -476,9 +476,9 @@ static bool mchp_rds_ptp_rxtstamp(struct mii_timestamper *mii_ts,
return true;
}
-static int mchp_rds_ptp_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *config,
- struct netlink_ext_ack *extack)
+static int mchp_rds_ptp_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *config,
+ struct netlink_ext_ack *extack)
{
struct mchp_rds_ptp_clock *clock =
container_of(mii_ts, struct mchp_rds_ptp_clock,
@@ -1281,7 +1281,7 @@ struct mchp_rds_ptp_clock *mchp_rds_ptp_probe(struct phy_device *phydev, u8 mmd,
clock->mii_ts.rxtstamp = mchp_rds_ptp_rxtstamp;
clock->mii_ts.txtstamp = mchp_rds_ptp_txtstamp;
- clock->mii_ts.hwtstamp = mchp_rds_ptp_hwtstamp;
+ clock->mii_ts.hwtstamp_set = mchp_rds_ptp_hwtstamp_set;
clock->mii_ts.ts_info = mchp_rds_ptp_ts_info;
phydev->mii_ts = &clock->mii_ts;
diff --git a/drivers/net/phy/mscc/mscc_ptp.c b/drivers/net/phy/mscc/mscc_ptp.c
index d692df7d975c..4865eac74b0e 100644
--- a/drivers/net/phy/mscc/mscc_ptp.c
+++ b/drivers/net/phy/mscc/mscc_ptp.c
@@ -1051,9 +1051,21 @@ static void vsc85xx_ts_reset_fifo(struct phy_device *phydev)
val);
}
-static int vsc85xx_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *cfg,
- struct netlink_ext_ack *extack)
+static int vsc85xx_hwtstamp_get(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg)
+{
+ struct vsc8531_private *vsc8531 =
+ container_of(mii_ts, struct vsc8531_private, mii_ts);
+
+ cfg->tx_type = vsc8531->ptp->tx_type;
+ cfg->rx_filter = vsc8531->ptp->rx_filter;
+
+ return 0;
+}
+
+static int vsc85xx_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct vsc8531_private *vsc8531 =
container_of(mii_ts, struct vsc8531_private, mii_ts);
@@ -1611,7 +1623,8 @@ int vsc8584_ptp_probe(struct phy_device *phydev)
vsc8531->mii_ts.rxtstamp = vsc85xx_rxtstamp;
vsc8531->mii_ts.txtstamp = vsc85xx_txtstamp;
- vsc8531->mii_ts.hwtstamp = vsc85xx_hwtstamp;
+ vsc8531->mii_ts.hwtstamp_set = vsc85xx_hwtstamp_set;
+ vsc8531->mii_ts.hwtstamp_get = vsc85xx_hwtstamp_get;
vsc8531->mii_ts.ts_info = vsc85xx_ts_info;
phydev->mii_ts = &vsc8531->mii_ts;
diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c
index 87adb6508017..f526528d2e32 100644
--- a/drivers/net/phy/nxp-c45-tja11xx.c
+++ b/drivers/net/phy/nxp-c45-tja11xx.c
@@ -1012,9 +1012,22 @@ static bool nxp_c45_rxtstamp(struct mii_timestamper *mii_ts,
return true;
}
-static int nxp_c45_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *cfg,
- struct netlink_ext_ack *extack)
+static int nxp_c45_hwtstamp_get(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg)
+{
+ struct nxp_c45_phy *priv = container_of(mii_ts, struct nxp_c45_phy,
+ mii_ts);
+
+ cfg->tx_type = priv->hwts_tx;
+ cfg->rx_filter = priv->hwts_rx ? HWTSTAMP_FILTER_PTP_V2_L2_EVENT
+ : HWTSTAMP_FILTER_NONE;
+
+ return 0;
+}
+
+static int nxp_c45_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct nxp_c45_phy *priv = container_of(mii_ts, struct nxp_c45_phy,
mii_ts);
@@ -1749,7 +1762,8 @@ static int nxp_c45_probe(struct phy_device *phydev)
IS_ENABLED(CONFIG_NETWORK_PHY_TIMESTAMPING)) {
priv->mii_ts.rxtstamp = nxp_c45_rxtstamp;
priv->mii_ts.txtstamp = nxp_c45_txtstamp;
- priv->mii_ts.hwtstamp = nxp_c45_hwtstamp;
+ priv->mii_ts.hwtstamp_set = nxp_c45_hwtstamp_set;
+ priv->mii_ts.hwtstamp_get = nxp_c45_hwtstamp_get;
priv->mii_ts.ts_info = nxp_c45_ts_info;
phydev->mii_ts = &priv->mii_ts;
ret = nxp_c45_init_ptp_clock(priv);
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 02da4a203ddd..13dd1691886d 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -405,12 +405,14 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd)
return 0;
case SIOCSHWTSTAMP:
- if (phydev->mii_ts && phydev->mii_ts->hwtstamp) {
+ if (phydev->mii_ts && phydev->mii_ts->hwtstamp_set) {
if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))
return -EFAULT;
hwtstamp_config_to_kernel(&kernel_cfg, &cfg);
- ret = phydev->mii_ts->hwtstamp(phydev->mii_ts, &kernel_cfg, &extack);
+ ret = phydev->mii_ts->hwtstamp_set(phydev->mii_ts,
+ &kernel_cfg,
+ &extack);
if (ret)
return ret;
@@ -476,6 +478,9 @@ int __phy_hwtstamp_get(struct phy_device *phydev,
if (!phydev)
return -ENODEV;
+ if (phydev->mii_ts && phydev->mii_ts->hwtstamp_get)
+ return phydev->mii_ts->hwtstamp_get(phydev->mii_ts, config);
+
return -EOPNOTSUPP;
}
@@ -493,8 +498,9 @@ int __phy_hwtstamp_set(struct phy_device *phydev,
if (!phydev)
return -ENODEV;
- if (phydev->mii_ts && phydev->mii_ts->hwtstamp)
- return phydev->mii_ts->hwtstamp(phydev->mii_ts, config, extack);
+ if (phydev->mii_ts && phydev->mii_ts->hwtstamp_set)
+ return phydev->mii_ts->hwtstamp_set(phydev->mii_ts, config,
+ extack);
return -EOPNOTSUPP;
}
diff --git a/drivers/ptp/ptp_ines.c b/drivers/ptp/ptp_ines.c
index 68f1f7fdaa9d..790eb42b78db 100644
--- a/drivers/ptp/ptp_ines.c
+++ b/drivers/ptp/ptp_ines.c
@@ -328,9 +328,31 @@ static u64 ines_find_txts(struct ines_port *port, struct sk_buff *skb)
return ns;
}
-static int ines_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *cfg,
- struct netlink_ext_ack *extack)
+static int ines_hwtstamp_get(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg)
+{
+ struct ines_port *port = container_of(mii_ts, struct ines_port, mii_ts);
+ unsigned long flags;
+ u32 port_conf;
+
+ cfg->rx_filter = port->rxts_enabled ? HWTSTAMP_FILTER_PTP_V2_EVENT
+ : HWTSTAMP_FILTER_NONE;
+ if (port->txts_enabled) {
+ spin_lock_irqsave(&port->lock, flags);
+ port_conf = ines_read32(port, port_conf);
+ spin_unlock_irqrestore(&port->lock, flags);
+ cfg->tx_type = (port_conf & CM_ONE_STEP) ? HWTSTAMP_TX_ONESTEP_P2P
+ : HWTSTAMP_TX_OFF;
+ } else {
+ cfg->tx_type = HWTSTAMP_TX_OFF;
+ }
+
+ return 0;
+}
+
+static int ines_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct ines_port *port = container_of(mii_ts, struct ines_port, mii_ts);
u32 cm_one_step = 0, port_conf, ts_stat_rx, ts_stat_tx;
@@ -709,7 +731,8 @@ static struct mii_timestamper *ines_ptp_probe_channel(struct device *device,
}
port->mii_ts.rxtstamp = ines_rxtstamp;
port->mii_ts.txtstamp = ines_txtstamp;
- port->mii_ts.hwtstamp = ines_hwtstamp;
+ port->mii_ts.hwtstamp_set = ines_hwtstamp_set;
+ port->mii_ts.hwtstamp_get = ines_hwtstamp_get;
port->mii_ts.link_state = ines_link_state;
port->mii_ts.ts_info = ines_ts_info;
diff --git a/include/linux/mii_timestamper.h b/include/linux/mii_timestamper.h
index 995db62570f9..3102c425c8e0 100644
--- a/include/linux/mii_timestamper.h
+++ b/include/linux/mii_timestamper.h
@@ -27,7 +27,9 @@ struct phy_device;
* as soon as a timestamp becomes available. One of the PTP_CLASS_
* values is passed in 'type'.
*
- * @hwtstamp: Handles SIOCSHWTSTAMP ioctl for hardware time stamping.
+ * @hwtstamp_set: Handles SIOCSHWTSTAMP ioctl for hardware time stamping.
+ *
+ * @hwtstamp_get: Handles SIOCGHWTSTAMP ioctl for hardware time stamping.
*
* @link_state: Allows the device to respond to changes in the link
* state. The caller invokes this function while holding
@@ -51,9 +53,12 @@ struct mii_timestamper {
void (*txtstamp)(struct mii_timestamper *mii_ts,
struct sk_buff *skb, int type);
- int (*hwtstamp)(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *kernel_config,
- struct netlink_ext_ack *extack);
+ int (*hwtstamp_set)(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *kernel_config,
+ struct netlink_ext_ack *extack);
+
+ int (*hwtstamp_get)(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *kernel_config);
void (*link_state)(struct mii_timestamper *mii_ts,
struct phy_device *phydev);
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 65b0c3ca6a2b..059a104223c4 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -1915,7 +1915,7 @@ static inline bool phy_polling_mode(struct phy_device *phydev)
*/
static inline bool phy_has_hwtstamp(struct phy_device *phydev)
{
- return phydev && phydev->mii_ts && phydev->mii_ts->hwtstamp;
+ return phydev && phydev->mii_ts && phydev->mii_ts->hwtstamp_set;
}
/**
@@ -1950,7 +1950,7 @@ static inline int phy_hwtstamp(struct phy_device *phydev,
struct kernel_hwtstamp_config *cfg,
struct netlink_ext_ack *extack)
{
- return phydev->mii_ts->hwtstamp(phydev->mii_ts, cfg, extack);
+ return phydev->mii_ts->hwtstamp_set(phydev->mii_ts, cfg, extack);
}
static inline bool phy_rxtstamp(struct phy_device *phydev, struct sk_buff *skb,
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index 0720ccc14df9..53a53357cfef 100644
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c
@@ -249,10 +249,11 @@ int net_hwtstamp_validate(const struct kernel_hwtstamp_config *cfg)
*
* Helper for calling the default hardware provider timestamping.
*
- * Note: phy_mii_ioctl() only handles SIOCSHWTSTAMP (not SIOCGHWTSTAMP), and
- * there only exists a phydev->mii_ts->hwtstamp() method. So this will return
- * -EOPNOTSUPP for phylib for now, which is still more accurate than letting
- * the netdev handle the GET request.
+ * Note: phy_mii_ioctl() only handles SIOCSHWTSTAMP (not SIOCGHWTSTAMP), but
+ * phydev->mii_ts has both hwtstamp_get() and hwtstamp_set() methods. So this
+ * will return -EOPNOTSUPP for phylib only if hwtstamp_get() is not
+ * implemented for now, which is still more accurate than letting the netdev
+ * handle the GET request.
*/
int dev_get_hwtstamp_phylib(struct net_device *dev,
struct kernel_hwtstamp_config *cfg)
generated by cgit v1.2.3 (git 2.0.4) at 2025-12-15 11:17:45 +0000