[PATCH] libndp: add ndp_msgna_target_address()

[Beniamino Galvani]

Add a function to access the Target Address field of Neighbor
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Signed-off-by: Beniamino Galvani 
---
 include/ndp.h   |  1 +
 libndp/libndp.c | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/include/ndp.h b/include/ndp.h
index c3e04df..c41cacd 100644
--- a/include/ndp.h
+++ b/include/ndp.h
@@ -114,6 +114,7 @@ void ndp_msgna_flag_solicited_set(struct ndp_msgna *msgna,
    			  bool flag_solicited);
 bool ndp_msgna_flag_override(struct ndp_msgna *msgna);
 void ndp_msgna_flag_override_set(struct ndp_msgna *msgna, bool flag_override);
+struct in6_addr *ndp_msgna_target_address(struct ndp_msgna *msgna);

enum ndp_msg_opt_type {
    NDP_MSG_OPT_SLLADDR, /* Source Link-layer Address */
diff --git a/libndp/libndp.c b/libndp/libndp.c
index 8d75ad1..c7273f2 100644
--- a/libndp/libndp.c
+++ b/libndp/libndp.c
@@ -1210,6 +1210,19 @@ void ndp_msgna_flag_override_set(struct ndp_msgna *msgna, bool flag_override)
    	msgna->na->nd_na_flags_reserved &= ~ND_NA_FLAG_OVERRIDE;
 }

+/**
+ * ndp_msgna_target_address:
+ * @msgna: NA message structure
+ *
+ * Get the Target Address.
+ *
+ * Returns: the target address.
+ **/
+NDP_EXPORT
+struct in6_addr *ndp_msgna_target_address(struct ndp_msgna *msgna)
+{
+	return &msgna->na->nd_na_target;
+}

/**
  * SECTION: msg_opt infrastructure