libwimaxll: add wimaxll_priv_get/set()

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>

3 files changed, 36 insertions, 0 deletions

diff --git a/include/wimaxll.h b/include/wimaxll.h
index f8b2668..ad2941e 100644
--- a/include/wimaxll.h
+++ b/include/wimaxll.h
@@ -304,6 +304,8 @@ typedef int (*wimaxll_state_change_cb_f)(
 
 /* Basic handle management */
 struct wimaxll_handle *wimaxll_open(const char *device_name);
+void *wimaxll_priv_get(struct wimaxll_handle *);
+void wimaxll_priv_set(struct wimaxll_handle *, void *);
 void wimaxll_close(struct wimaxll_handle *);
 const char *wimaxll_ifname(const struct wimaxll_handle *);
 
diff --git a/lib/internal.h b/lib/internal.h
index 71e9ef2..392737f 100644
--- a/lib/internal.h
+++ b/lib/internal.h
@@ -201,6 +201,8 @@ void wimaxll_cb_maybe_set_result(struct wimaxll_cb_ctx *ctx, int val)
  *     the new device is discovered.
  * \param mcg_id Id of the 'msg' multicast group
  * \param name name of the wimax interface
+ * \param priv Private pointer set with wimaxll_priv_set() or other
+ *     accessors. Use wimaxll_priv_get() to access it.
  * \param nlh_tx handle for writing to the kernel.
  *     Internal note: You \b have \b to set the handlers for
  *     %NL_CB_VALID and nl_cb_err() callbacks, as each callsite will
@@ -216,6 +218,7 @@ struct wimaxll_handle {
 	unsigned ifidx;
 	int gnl_family_id, mcg_id;
 	char name[__WIMAXLL_IFNAME_LEN];
+	void *priv;
 
 	struct nl_handle *nlh_tx;
 	struct nl_handle *nlh_rx;
diff --git a/lib/wimax.c b/lib/wimax.c
index 7be7ba0..c0a52e4 100644
--- a/lib/wimax.c
+++ b/lib/wimax.c
@@ -321,3 +321,34 @@ const char *wimaxll_ifname(const struct wimaxll_handle *wmx)
 {
 	return wmx->name;
 }
+
+
+/**
+ * Set the private data associated to a WiMAX device handle
+ *
+ * @param wmx WiMAX device handle
+ *
+ * @param priv Private data pointer to associate.
+ *
+ * @ingroup device_management
+ */
+void wimaxll_priv_set(struct wimaxll_handle *wmx, void *priv)
+{
+	wmx->priv = priv;
+}
+
+
+/**
+ * Return the private data associated to a WiMAX device handle
+ *
+ * @param wmx WiMAX device handle
+ *
+ * @returns pointer to priv data as set by wimaxll_priv_set() or
+ *     wimaxll_open_name() or wimaxll_open_ifindex().
+ *
+ * @ingroup device_management
+ */
+void * wimaxll_priv_get(struct wimaxll_handle *wmx)
+{
+	return wmx->priv;
+}