Allow OVS_USERSPACE_ATTR_USERDATA to be variable length.

[cascardo/ovs.git] / datapath / datapath.h

diff --git a/datapath/datapath.h b/datapath/datapath.h
index 2b93348..9bc98fb 100644 (file)
--- a/datapath/datapath.h
+++ b/datapath/datapath.h
@@ -120,7 +120,7 @@ struct ovs_skb_cb {
  * struct dp_upcall - metadata to include with a packet to send to userspace
  * @cmd: One of %OVS_PACKET_CMD_*.
  * @key: Becomes %OVS_PACKET_ATTR_KEY.  Must be nonnull.
- * @userdata: If nonnull, its u64 value is extracted and passed to userspace as
+ * @userdata: If nonnull, its variable-length value is passed to userspace as
  * %OVS_PACKET_ATTR_USERDATA.
  * @portid: Netlink PID to which packet should be sent.  If @portid is 0 then no
  * packet is sent and the packet is accounted in the datapath's @n_lost