/* This sequence number should be incremented whenever anything involving flows
* or the wildcarding of flows changes. This will cause build assertion
* failures in places which likely need to be updated. */
-#define FLOW_WC_SEQ 5
+#define FLOW_WC_SEQ 7
#define FLOW_N_REGS 5
BUILD_ASSERT_DECL(FLOW_N_REGS <= NXM_NX_MAX_REGS);
#define FLOW_DL_TYPE_NONE 0x5ff
/* Fragment bits, used for IPv4 and IPv6, always zero for non-IP flows. */
-#define FLOW_FRAG_ANY (1 << 0) /* Set for any IP fragment. */
-#define FLOW_FRAG_LATER (1 << 1) /* Set for IP fragment with nonzero offset. */
-#define FLOW_FRAG_MASK (FLOW_FRAG_ANY | FLOW_FRAG_LATER)
+#define FLOW_NW_FRAG_ANY (1 << 0) /* Set for any IP frag. */
+#define FLOW_NW_FRAG_LATER (1 << 1) /* Set for IP frag with nonzero offset. */
+#define FLOW_NW_FRAG_MASK (FLOW_NW_FRAG_ANY | FLOW_NW_FRAG_LATER)
-BUILD_ASSERT_DECL(FLOW_FRAG_ANY == NX_IP_FRAG_ANY);
-BUILD_ASSERT_DECL(FLOW_FRAG_LATER == NX_IP_FRAG_LATER);
+BUILD_ASSERT_DECL(FLOW_NW_FRAG_ANY == NX_IP_FRAG_ANY);
+BUILD_ASSERT_DECL(FLOW_NW_FRAG_LATER == NX_IP_FRAG_LATER);
struct flow {
ovs_be64 tun_id; /* Encapsulating tunnel ID. */
struct in6_addr ipv6_src; /* IPv6 source address. */
struct in6_addr ipv6_dst; /* IPv6 destination address. */
struct in6_addr nd_target; /* IPv6 neighbor discovery (ND) target. */
- uint32_t priority; /* Packet priority for QoS. */
+ uint32_t skb_priority; /* Packet priority for QoS. */
uint32_t regs[FLOW_N_REGS]; /* Registers. */
ovs_be32 nw_src; /* IPv4 source address. */
ovs_be32 nw_dst; /* IPv4 destination address. */
uint8_t dl_src[6]; /* Ethernet source address. */
uint8_t dl_dst[6]; /* Ethernet destination address. */
uint8_t nw_proto; /* IP protocol or low 8 bits of ARP opcode. */
- uint8_t tos; /* IP ToS. */
+ uint8_t nw_tos; /* IP ToS (including DSCP and ECN). */
uint8_t arp_sha[6]; /* ARP/ND source hardware address. */
uint8_t arp_tha[6]; /* ARP/ND target hardware address. */
- uint8_t frag; /* FLOW_FRAG_* flags. */
- uint8_t reserved[7]; /* Reserved for 64-bit packing. */
+ uint8_t nw_ttl; /* IP TTL/Hop Limit. */
+ uint8_t nw_frag; /* FLOW_FRAG_* flags. */
+ uint8_t reserved[6]; /* Reserved for 64-bit packing. */
+};
+
+/* Represents the metadata fields of struct flow. The masks are used to
+ * indicate which metadata fields are relevant in a given context. Typically
+ * they will be all 1 or all 0. */
+struct flow_metadata {
+ ovs_be64 tun_id; /* Encapsulating tunnel ID. */
+ ovs_be64 tun_id_mask; /* 1-bit in each significant tun_id bit.*/
+
+ uint32_t regs[FLOW_N_REGS]; /* Registers. */
+ uint32_t reg_masks[FLOW_N_REGS]; /* 1-bit in each significant regs bit. */
+
+ uint16_t in_port; /* OpenFlow port or zero. */
};
/* Assert that there are FLOW_SIG_SIZE bytes of significant data in "struct
* flow", followed by FLOW_PAD_SIZE bytes of padding. */
-#define FLOW_SIG_SIZE (109 + FLOW_N_REGS * 4)
-#define FLOW_PAD_SIZE 7
-BUILD_ASSERT_DECL(offsetof(struct flow, frag) == FLOW_SIG_SIZE - 1);
-BUILD_ASSERT_DECL(sizeof(((struct flow *)0)->frag) == 1);
+#define FLOW_SIG_SIZE (110 + FLOW_N_REGS * 4)
+#define FLOW_PAD_SIZE 6
+BUILD_ASSERT_DECL(offsetof(struct flow, nw_frag) == FLOW_SIG_SIZE - 1);
+BUILD_ASSERT_DECL(sizeof(((struct flow *)0)->nw_frag) == 1);
BUILD_ASSERT_DECL(sizeof(struct flow) == FLOW_SIG_SIZE + FLOW_PAD_SIZE);
/* Remember to update FLOW_WC_SEQ when changing 'struct flow'. */
-BUILD_ASSERT_DECL(FLOW_SIG_SIZE == 129 && FLOW_WC_SEQ == 5);
+BUILD_ASSERT_DECL(FLOW_SIG_SIZE == 130 && FLOW_WC_SEQ == 7);
void flow_extract(struct ofpbuf *, uint32_t priority, ovs_be64 tun_id,
uint16_t in_port, struct flow *);
void flow_zero_wildcards(struct flow *, const struct flow_wildcards *);
+void flow_get_metadata(const struct flow *, struct flow_metadata *);
char *flow_to_string(const struct flow *);
void flow_format(struct ds *, const struct flow *);
void flow_print(FILE *, const struct flow *);
-static inline int flow_compare(const struct flow *, const struct flow *);
+static inline int flow_compare_3way(const struct flow *, const struct flow *);
static inline bool flow_equal(const struct flow *, const struct flow *);
static inline size_t flow_hash(const struct flow *, uint32_t basis);
+void flow_set_vlan_vid(struct flow *, ovs_be16 vid);
+void flow_set_vlan_pcp(struct flow *, uint8_t pcp);
+
void flow_compose(struct ofpbuf *, const struct flow *);
static inline int
-flow_compare(const struct flow *a, const struct flow *b)
+flow_compare_3way(const struct flow *a, const struct flow *b)
{
return memcmp(a, b, FLOW_SIG_SIZE);
}
static inline bool
flow_equal(const struct flow *a, const struct flow *b)
{
- return !flow_compare(a, b);
+ return !flow_compare_3way(a, b);
}
static inline size_t
#define FWW_ARP_THA ((OVS_FORCE flow_wildcards_t) (1 << 9))
#define FWW_ND_TARGET ((OVS_FORCE flow_wildcards_t) (1 << 10))
#define FWW_IPV6_LABEL ((OVS_FORCE flow_wildcards_t) (1 << 11))
-#define FWW_ALL ((OVS_FORCE flow_wildcards_t) (((1 << 12)) - 1))
+#define FWW_NW_TTL ((OVS_FORCE flow_wildcards_t) (1 << 12))
+#define FWW_NW_DSCP ((OVS_FORCE flow_wildcards_t) (1 << 13))
+#define FWW_NW_ECN ((OVS_FORCE flow_wildcards_t) (1 << 14))
+#define FWW_ALL ((OVS_FORCE flow_wildcards_t) (((1 << 15)) - 1))
/* Remember to update FLOW_WC_SEQ when adding or removing FWW_*. */
-BUILD_ASSERT_DECL(FWW_ALL == ((1 << 12) - 1) && FLOW_WC_SEQ == 5);
+BUILD_ASSERT_DECL(FWW_ALL == ((1 << 15) - 1) && FLOW_WC_SEQ == 7);
/* Information on wildcards for a flow, as a supplement to "struct flow".
*
struct in6_addr ipv6_src_mask; /* 1-bit in each signficant ipv6_src bit. */
struct in6_addr ipv6_dst_mask; /* 1-bit in each signficant ipv6_dst bit. */
ovs_be16 vlan_tci_mask; /* 1-bit in each significant vlan_tci bit. */
- uint8_t tos_mask; /* 1-bit in each significant tos bit. */
- uint8_t frag_mask; /* 1-bit in each significant frag bit. */
- uint8_t zeros[4]; /* Padding field set to zero. */
+ uint8_t nw_frag_mask; /* 1-bit in each significant nw_frag bit. */
+ uint8_t zeros[5]; /* Padding field set to zero. */
};
/* Remember to update FLOW_WC_SEQ when updating struct flow_wildcards. */
-BUILD_ASSERT_DECL(sizeof(struct flow_wildcards) == 80 && FLOW_WC_SEQ == 5);
+BUILD_ASSERT_DECL(sizeof(struct flow_wildcards) == 80 && FLOW_WC_SEQ == 7);
void flow_wildcards_init_catchall(struct flow_wildcards *);
void flow_wildcards_init_exact(struct flow_wildcards *);
bool flow_wildcards_is_exact(const struct flow_wildcards *);
bool flow_wildcards_is_catchall(const struct flow_wildcards *);
-bool flow_wildcards_set_nw_src_mask(struct flow_wildcards *, ovs_be32);
-bool flow_wildcards_set_nw_dst_mask(struct flow_wildcards *, ovs_be32);
-bool flow_wildcards_set_ipv6_src_mask(struct flow_wildcards *,
- const struct in6_addr *);
-bool flow_wildcards_set_ipv6_dst_mask(struct flow_wildcards *,
- const struct in6_addr *);
void flow_wildcards_set_reg_mask(struct flow_wildcards *,
int idx, uint32_t mask);
projects / openvswitch / blobdiff