X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fflow.h;h=7c3654b00ceb26a4ecb19a76527e56b5bf094abd;hb=7aaeab4df24b7e9460705b1dad1010eef0354c50;hp=6e169d68ee8da442a5949b98ba092ee632168dc5;hpb=780325b5b8d4c0552b4b7719e0a38200d99f6b08;p=sliver-openvswitch.git diff --git a/lib/flow.h b/lib/flow.h index 6e169d68e..7c3654b00 100644 --- a/lib/flow.h +++ b/lib/flow.h @@ -68,6 +68,14 @@ struct flow_tnl { uint8_t ip_ttl; }; +/* Unfortunately, a "struct flow" sometimes has to handle OpenFlow port + * numbers and other times datapath (dpif) port numbers. This union allows + * access to both. */ +union flow_in_port { + ofp_port_t ofp_port; + odp_port_t odp_port; +}; + /* * A flow in the network. * @@ -87,9 +95,7 @@ struct flow { ovs_be32 nw_src; /* IPv4 source address. */ ovs_be32 nw_dst; /* IPv4 destination address. */ ovs_be32 ipv6_label; /* IPv6 flow label. */ - uint32_t in_port; /* Input port. OpenFlow port number - unless in DPIF code, in which case it - is the datapath port number. */ + union flow_in_port in_port; /* Input port.*/ uint32_t skb_mark; /* Packet mark. */ ovs_be32 mpls_lse; /* MPLS label stack entry. */ uint16_t mpls_depth; /* Depth of MPLS stack. */ @@ -118,13 +124,16 @@ BUILD_ASSERT_DECL(sizeof(struct flow) == sizeof(struct flow_tnl) + 160 && /* Represents the metadata fields of struct flow. */ struct flow_metadata { ovs_be64 tun_id; /* Encapsulating tunnel ID. */ + ovs_be32 tun_src; /* Tunnel outer IPv4 src addr */ + ovs_be32 tun_dst; /* Tunnel outer IPv4 dst addr */ ovs_be64 metadata; /* OpenFlow 1.1+ metadata field. */ uint32_t regs[FLOW_N_REGS]; /* Registers. */ - uint16_t in_port; /* OpenFlow port or zero. */ + ofp_port_t in_port; /* OpenFlow port or zero. */ }; void flow_extract(struct ofpbuf *, uint32_t priority, uint32_t mark, - const struct flow_tnl *, uint16_t in_port, struct flow *); + const struct flow_tnl *, const union flow_in_port *in_port, + struct flow *); void flow_zero_wildcards(struct flow *, const struct flow_wildcards *); void flow_get_metadata(const struct flow *, struct flow_metadata *); @@ -168,6 +177,54 @@ flow_hash(const struct flow *flow, uint32_t basis) return hash_words((const uint32_t *) flow, sizeof *flow / 4, basis); } +static inline uint16_t +ofp_to_u16(ofp_port_t ofp_port) +{ + return (OVS_FORCE uint16_t) ofp_port; +} + +static inline uint32_t +odp_to_u32(odp_port_t odp_port) +{ + return (OVS_FORCE uint32_t) odp_port; +} + +static inline uint32_t +ofp11_to_u32(ofp11_port_t ofp11_port) +{ + return (OVS_FORCE uint32_t) ofp11_port; +} + +static inline ofp_port_t +u16_to_ofp(uint16_t port) +{ + return OFP_PORT_C(port); +} + +static inline odp_port_t +u32_to_odp(uint32_t port) +{ + return ODP_PORT_C(port); +} + +static inline ofp11_port_t +u32_to_ofp11(uint32_t port) +{ + return OFP11_PORT_C(port); +} + +static inline uint32_t +hash_ofp_port(ofp_port_t ofp_port) +{ + return hash_int(ofp_to_u16(ofp_port), 0); +} + +static inline uint32_t +hash_odp_port(odp_port_t odp_port) +{ + return hash_int(odp_to_u32(odp_port), 0); +} + uint32_t flow_hash_in_minimask(const struct flow *, const struct minimask *, uint32_t basis); @@ -188,22 +245,34 @@ bool flow_wildcards_is_catchall(const struct flow_wildcards *); void flow_wildcards_set_reg_mask(struct flow_wildcards *, int idx, uint32_t mask); -void flow_wildcards_combine(struct flow_wildcards *dst, - const struct flow_wildcards *src1, - const struct flow_wildcards *src2); +void flow_wildcards_and(struct flow_wildcards *dst, + const struct flow_wildcards *src1, + const struct flow_wildcards *src2); +void flow_wildcards_or(struct flow_wildcards *dst, + const struct flow_wildcards *src1, + const struct flow_wildcards *src2); bool flow_wildcards_has_extra(const struct flow_wildcards *, const struct flow_wildcards *); +void flow_wildcards_fold_minimask(struct flow_wildcards *, + const struct minimask *); + uint32_t flow_wildcards_hash(const struct flow_wildcards *, uint32_t basis); bool flow_wildcards_equal(const struct flow_wildcards *, const struct flow_wildcards *); uint32_t flow_hash_symmetric_l4(const struct flow *flow, uint32_t basis); +void flow_mask_hash_fields(const struct flow *, struct flow_wildcards *, + enum nx_hash_fields); uint32_t flow_hash_fields(const struct flow *, enum nx_hash_fields, uint16_t basis); const char *flow_hash_fields_to_str(enum nx_hash_fields); bool flow_hash_fields_valid(enum nx_hash_fields); +uint32_t flow_hash_in_wildcards(const struct flow *, + const struct flow_wildcards *, + uint32_t basis); + bool flow_equal_except(const struct flow *a, const struct flow *b, const struct flow_wildcards *);