datapath: Allow a packet with no input port to omit ODP_KEY_ATTR_IN_PORT.

[sliver-openvswitch.git] / datapath / flow.h

diff --git a/datapath/flow.h b/datapath/flow.h
index 6a3c539..1802d18 100644 (file)
--- a/datapath/flow.h
+++ b/datapath/flow.h
@@ -33,7 +33,7 @@ struct sw_flow_actions {
 struct sw_flow_key {
        struct {
                __be64 tun_id;          /* Encapsulating tunnel ID. */
-               u16    in_port;         /* Input switch port. */
+               u16    in_port;         /* Input switch port (or USHRT_MAX). */
                u8     src[ETH_ALEN];   /* Ethernet source address. */
                u8     dst[ETH_ALEN];   /* Ethernet destination address. */
                __be16 tci;             /* 0 if no VLAN, VLAN_TAG_PRESENT set otherwise. */