doc: mandatory netif snip for gnrc_ipv6 receive()

RIOT-OS · Mar 29, 2016 · f15e038 · f15e038
1 parent 856e1ee
commit f15e038
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/sys/include/net/gnrc/ipv6.h b/sys/include/net/gnrc/ipv6.h
@@ -14,7 +14,10 @@
  * The IPv6 control thread understands messages of type
  *
  *  * @ref GNRC_NETAPI_MSG_TYPE_RCV, and
- *  * @ref GNRC_NETAPI_MSG_TYPE_SND,
+ *  * @ref GNRC_NETAPI_MSG_TYPE_SND.
+ *
+ * If the message is of type @ref GNRC_NETAPI_MSG_TYPE_RCV the provided @ref
+ * gnrc_pktsnip_t must contain a snip of type @ref GNRC_NETTYPE_NETIF.
  *
  * @{
  *