+
+\f
+/* Returns true if 'mask' matches every packet, false if 'mask' fixes any bits
+ * or fields. */
+static inline bool
+minimask_is_catchall(const struct minimask *mask)
+{
+ /* For every 1-bit in mask's map, the corresponding value is non-zero,
+ * so the only way the mask can not fix any bits or fields is for the
+ * map the be zero. */
+ return flowmap_is_empty(mask->masks.map);
+}
+
+/* Returns the uint64_t that would be at byte offset '8 * u64_ofs' if 'flow'
+ * were expanded into a "struct flow". */
+static inline uint64_t miniflow_get(const struct miniflow *flow,
+ unsigned int u64_ofs)
+{
+ return MINIFLOW_IN_MAP(flow, u64_ofs) ? *miniflow_get__(flow, u64_ofs) : 0;
+}
+
+static inline uint32_t miniflow_get_u32(const struct miniflow *flow,
+ unsigned int u32_ofs)
+{
+ uint64_t value = miniflow_get(flow, u32_ofs / 2);
+
+#if WORDS_BIGENDIAN
+ return (u32_ofs & 1) ? value : value >> 32;
+#else
+ return (u32_ofs & 1) ? value >> 32 : value;
+#endif
+}
+
+static inline ovs_be32 miniflow_get_be32(const struct miniflow *flow,
+ unsigned int be32_ofs)
+{
+ return (OVS_FORCE ovs_be32)miniflow_get_u32(flow, be32_ofs);
+}
+
+/* Returns the VID within the vlan_tci member of the "struct flow" represented
+ * by 'flow'. */
+static inline uint16_t
+miniflow_get_vid(const struct miniflow *flow)
+{
+ ovs_be16 tci = MINIFLOW_GET_BE16(flow, vlan_tci);
+ return vlan_tci_to_vid(tci);
+}
+
+/* Returns the uint32_t that would be at byte offset '4 * u32_ofs' if 'mask'
+ * were expanded into a "struct flow_wildcards". */
+static inline uint32_t
+minimask_get_u32(const struct minimask *mask, unsigned int u32_ofs)
+{
+ return miniflow_get_u32(&mask->masks, u32_ofs);
+}
+
+static inline ovs_be32
+minimask_get_be32(const struct minimask *mask, unsigned int be32_ofs)
+{
+ return (OVS_FORCE ovs_be32)minimask_get_u32(mask, be32_ofs);
+}
+
+/* Returns the VID mask within the vlan_tci member of the "struct
+ * flow_wildcards" represented by 'mask'. */
+static inline uint16_t
+minimask_get_vid_mask(const struct minimask *mask)
+{
+ return miniflow_get_vid(&mask->masks);
+}
+
+/* Returns the value of the "tcp_flags" field in 'flow'. */
+static inline uint16_t
+miniflow_get_tcp_flags(const struct miniflow *flow)
+{
+ return ntohs(MINIFLOW_GET_BE16(flow, tcp_flags));
+}
+
+/* Returns the value of the OpenFlow 1.1+ "metadata" field in 'flow'. */
+static inline ovs_be64
+miniflow_get_metadata(const struct miniflow *flow)
+{
+ return MINIFLOW_GET_BE64(flow, metadata);
+}
+
+/* Returns the mask for the OpenFlow 1.1+ "metadata" field in 'mask'.
+ *
+ * The return value is all-1-bits if 'mask' matches on the whole value of the
+ * metadata field, all-0-bits if 'mask' entirely wildcards the metadata field,
+ * or some other value if the metadata field is partially matched, partially
+ * wildcarded. */
+static inline ovs_be64
+minimask_get_metadata_mask(const struct minimask *mask)
+{
+ return MINIFLOW_GET_BE64(&mask->masks, metadata);
+}
+
+/* Perform a bitwise OR of miniflow 'src' flow data specified in 'subset' with
+ * the equivalent fields in 'dst', storing the result in 'dst'. 'subset' must
+ * be a subset of 'src's map. */
+static inline void
+flow_union_with_miniflow_subset(struct flow *dst, const struct miniflow *src,
+ struct flowmap subset)
+{
+ uint64_t *dst_u64 = (uint64_t *) dst;
+ const uint64_t *p = miniflow_get_values(src);
+ map_t map;
+
+ FLOWMAP_FOR_EACH_MAP (map, subset) {
+ size_t idx;
+
+ MAP_FOR_EACH_INDEX(idx, map) {
+ dst_u64[idx] |= *p++;
+ }
+ dst_u64 += MAP_T_BITS;
+ }
+}
+
+/* Perform a bitwise OR of miniflow 'src' flow data with the equivalent
+ * fields in 'dst', storing the result in 'dst'. */
+static inline void
+flow_union_with_miniflow(struct flow *dst, const struct miniflow *src)
+{
+ flow_union_with_miniflow_subset(dst, src, src->map);
+}
+
+static inline void
+pkt_metadata_from_flow(struct pkt_metadata *md, const struct flow *flow)
+{
+ md->recirc_id = flow->recirc_id;
+ md->dp_hash = flow->dp_hash;
+ flow_tnl_copy__(&md->tunnel, &flow->tunnel);
+ md->skb_priority = flow->skb_priority;
+ md->pkt_mark = flow->pkt_mark;
+ md->in_port = flow->in_port;
+ md->ct_state = flow->ct_state;
+ md->ct_zone = flow->ct_zone;
+ md->ct_mark = flow->ct_mark;
+}
+
+static inline bool is_ip_any(const struct flow *flow)
+{
+ return dl_type_is_ip_any(flow->dl_type);
+}
+
+static inline bool is_icmpv4(const struct flow *flow)
+{
+ return (flow->dl_type == htons(ETH_TYPE_IP)
+ && flow->nw_proto == IPPROTO_ICMP);
+}
+
+static inline bool is_icmpv6(const struct flow *flow)
+{
+ return (flow->dl_type == htons(ETH_TYPE_IPV6)
+ && flow->nw_proto == IPPROTO_ICMPV6);
+}
+
+static inline bool is_igmp(const struct flow *flow)
+{
+ return (flow->dl_type == htons(ETH_TYPE_IP)
+ && flow->nw_proto == IPPROTO_IGMP);
+}
+
+static inline bool is_mld(const struct flow *flow)
+{
+ return is_icmpv6(flow)
+ && (flow->tp_src == htons(MLD_QUERY)
+ || flow->tp_src == htons(MLD_REPORT)
+ || flow->tp_src == htons(MLD_DONE)
+ || flow->tp_src == htons(MLD2_REPORT));
+}
+
+static inline bool is_mld_query(const struct flow *flow)
+{
+ return is_icmpv6(flow) && flow->tp_src == htons(MLD_QUERY);
+}
+
+static inline bool is_mld_report(const struct flow *flow)
+{
+ return is_mld(flow) && !is_mld_query(flow);
+}
+
+static inline bool is_stp(const struct flow *flow)
+{
+ return (eth_addr_equals(flow->dl_dst, eth_addr_stp)
+ && flow->dl_type == htons(FLOW_DL_TYPE_NONE));
+}