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path: root/drivers/dpll/dpll_netlink.c
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Diffstat (limited to 'drivers/dpll/dpll_netlink.c')
-rw-r--r--drivers/dpll/dpll_netlink.c47
1 files changed, 32 insertions, 15 deletions
diff --git a/drivers/dpll/dpll_netlink.c b/drivers/dpll/dpll_netlink.c
index 4ca9ad16cd95..98e6ad8528d3 100644
--- a/drivers/dpll/dpll_netlink.c
+++ b/drivers/dpll/dpll_netlink.c
@@ -8,6 +8,7 @@
*/
#include <linux/module.h>
#include <linux/kernel.h>
+#include <linux/netdevice.h>
#include <net/genetlink.h>
#include "dpll_core.h"
#include "dpll_netlink.h"
@@ -48,18 +49,6 @@ dpll_msg_add_dev_parent_handle(struct sk_buff *msg, u32 id)
}
/**
- * dpll_msg_pin_handle_size - get size of pin handle attribute for given pin
- * @pin: pin pointer
- *
- * Return: byte size of pin handle attribute for given pin.
- */
-size_t dpll_msg_pin_handle_size(struct dpll_pin *pin)
-{
- return pin ? nla_total_size(4) : 0; /* DPLL_A_PIN_ID */
-}
-EXPORT_SYMBOL_GPL(dpll_msg_pin_handle_size);
-
-/**
* dpll_msg_add_pin_handle - attach pin handle attribute to a given message
* @msg: pointer to sk_buff message to attach a pin handle
* @pin: pin pointer
@@ -68,7 +57,7 @@ EXPORT_SYMBOL_GPL(dpll_msg_pin_handle_size);
* * 0 - success
* * -EMSGSIZE - no space in message to attach pin handle
*/
-int dpll_msg_add_pin_handle(struct sk_buff *msg, struct dpll_pin *pin)
+static int dpll_msg_add_pin_handle(struct sk_buff *msg, struct dpll_pin *pin)
{
if (!pin)
return 0;
@@ -76,7 +65,28 @@ int dpll_msg_add_pin_handle(struct sk_buff *msg, struct dpll_pin *pin)
return -EMSGSIZE;
return 0;
}
-EXPORT_SYMBOL_GPL(dpll_msg_add_pin_handle);
+
+static struct dpll_pin *dpll_netdev_pin(const struct net_device *dev)
+{
+ return rcu_dereference_rtnl(dev->dpll_pin);
+}
+
+/**
+ * dpll_netdev_pin_handle_size - get size of pin handle attribute of a netdev
+ * @dev: netdev from which to get the pin
+ *
+ * Return: byte size of pin handle attribute, or 0 if @dev has no pin.
+ */
+size_t dpll_netdev_pin_handle_size(const struct net_device *dev)
+{
+ return dpll_netdev_pin(dev) ? nla_total_size(4) : 0; /* DPLL_A_PIN_ID */
+}
+
+int dpll_netdev_add_pin_handle(struct sk_buff *msg,
+ const struct net_device *dev)
+{
+ return dpll_msg_add_pin_handle(msg, dpll_netdev_pin(dev));
+}
static int
dpll_msg_add_mode(struct sk_buff *msg, struct dpll_device *dpll,
@@ -121,14 +131,21 @@ dpll_msg_add_lock_status(struct sk_buff *msg, struct dpll_device *dpll,
struct netlink_ext_ack *extack)
{
const struct dpll_device_ops *ops = dpll_device_ops(dpll);
+ enum dpll_lock_status_error status_error = 0;
enum dpll_lock_status status;
int ret;
- ret = ops->lock_status_get(dpll, dpll_priv(dpll), &status, extack);
+ ret = ops->lock_status_get(dpll, dpll_priv(dpll), &status,
+ &status_error, extack);
if (ret)
return ret;
if (nla_put_u32(msg, DPLL_A_LOCK_STATUS, status))
return -EMSGSIZE;
+ if (status_error &&
+ (status == DPLL_LOCK_STATUS_UNLOCKED ||
+ status == DPLL_LOCK_STATUS_HOLDOVER) &&
+ nla_put_u32(msg, DPLL_A_LOCK_STATUS_ERROR, status_error))
+ return -EMSGSIZE;
return 0;
}