This patch adds a phy driver method for configuring hardware time stamping.
Drivers may optionally implement this function.
Signed-off-by: Richard Cochran <richard.coch...@omicron.at>
---
drivers/net/phy/phy.c | 5 +++++
include/linux/phy.h | 3 +++
2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index bd88d81..5130db8 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -361,6 +361,11 @@ int phy_mii_ioctl(struct phy_device *phydev,
}
break;
+ case SIOCSHWTSTAMP:
+ if (phydev->drv->hwtstamp)
+ return phydev->drv->hwtstamp(phydev, ifr);
+ /* fall through */
+
default:
return -EOPNOTSUPP;
}
diff --git a/include/linux/phy.h b/include/linux/phy.h
index d63736a..a5e9df1 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -402,6 +402,9 @@ struct phy_driver {
/* Clears up any memory if needed */
void (*remove)(struct phy_device *phydev);
+ /* Handles SIOCSHWTSTAMP ioctl for hardware time stamping. */
+ int (*hwtstamp)(struct phy_device *phydev, struct ifreq *ifr);
+
struct device_driver driver;
};
#define to_phy_driver(d) container_of(d, struct phy_driver, driver)
--
1.6.3.3
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