OFPACT(EXIT, ofpact_null, ofpact, "exit") \
OFPACT(SAMPLE, ofpact_sample, ofpact, "sample") \
OFPACT(UNROLL_XLATE, ofpact_unroll_xlate, ofpact, "unroll_xlate") \
+ OFPACT(CT, ofpact_conntrack, ofpact, "ct") \
+ OFPACT(NAT, ofpact_nat, ofpact, "nat") \
+ \
+ /* Debugging actions. \
+ * \
+ * These are intentionally undocumented, subject to change, and \
+ * only accepted if ovs-vswitchd is started with --enable-dummy. */ \
+ OFPACT(DEBUG_RECIRC, ofpact_null, ofpact, "debug_recirc") \
\
/* Instructions. */ \
OFPACT(METER, ofpact_meter, ofpact, "meter") \
#define OFPACT_ALIGNTO 8
#define OFPACT_ALIGN(SIZE) ROUND_UP(SIZE, OFPACT_ALIGNTO)
+/* Returns the ofpact following 'ofpact'. */
static inline struct ofpact *
ofpact_next(const struct ofpact *ofpact)
{
return (void *) ((uint8_t *) ofpact + OFPACT_ALIGN(ofpact->len));
}
+struct ofpact *ofpact_next_flattened(const struct ofpact *);
+
static inline struct ofpact *
ofpact_end(const struct ofpact *ofpacts, size_t ofpacts_len)
{
#define OFPACT_FOR_EACH(POS, OFPACTS, OFPACTS_LEN) \
for ((POS) = (OFPACTS); (POS) < ofpact_end(OFPACTS, OFPACTS_LEN); \
(POS) = ofpact_next(POS))
+
+/* Assigns POS to each ofpact, in turn, in the OFPACTS_LEN bytes of ofpacts
+ * starting at OFPACTS.
+ *
+ * For ofpacts that contain nested ofpacts, this visits each of the inner
+ * ofpacts as well. */
+#define OFPACT_FOR_EACH_FLATTENED(POS, OFPACTS, OFPACTS_LEN) \
+ for ((POS) = (OFPACTS); (POS) < ofpact_end(OFPACTS, OFPACTS_LEN); \
+ (POS) = ofpact_next_flattened(POS))
\f
/* Action structure for each OFPACT_*. */
* Used for OFPAT10_SET_DL_SRC, OFPAT10_SET_DL_DST. */
struct ofpact_mac {
struct ofpact ofpact;
- uint8_t mac[ETH_ADDR_LEN];
+ struct eth_addr mac;
};
/* OFPACT_SET_IPV4_SRC, OFPACT_SET_IPV4_DST.
BUILD_ASSERT_DECL(offsetof(struct ofpact_nest, actions)
== sizeof(struct ofpact_nest));
+/* Bits for 'flags' in struct nx_action_conntrack.
+ *
+ * If NX_CT_F_COMMIT is set, then the connection entry is moved from the
+ * unconfirmed to confirmed list in the tracker. */
+enum nx_conntrack_flags {
+ NX_CT_F_COMMIT = 1 << 0,
+};
+
+/* Magic value for struct nx_action_conntrack 'recirc_table' field, to specify
+ * that the packet should not be recirculated. */
+#define NX_CT_RECIRC_NONE OFPTT_ALL
+
+/* We want to determine the size of these elements at compile time to ensure
+ * actions alignment, but we also want to allow ofpact_conntrack to have
+ * basic _put(), _get(), etc accessors defined below which access these
+ * members directly from ofpact_conntrack. An anonymous struct will serve
+ * both of these purposes. */
+#define CT_MEMBERS \
+struct { \
+ struct ofpact ofpact; \
+ uint16_t flags; \
+ uint16_t zone_imm; \
+ struct mf_subfield zone_src; \
+ uint16_t alg; \
+ uint8_t recirc_table; \
+}
+
+#if !defined(IPPORT_FTP)
+#define IPPORT_FTP 21
+#endif
+
+/* OFPACT_CT.
+ *
+ * Used for NXAST_CT. */
+struct ofpact_conntrack {
+ union {
+ CT_MEMBERS;
+ uint8_t pad[OFPACT_ALIGN(sizeof(CT_MEMBERS))];
+ };
+ struct ofpact actions[0];
+};
+BUILD_ASSERT_DECL(offsetof(struct ofpact_conntrack, actions)
+ % OFPACT_ALIGNTO == 0);
+BUILD_ASSERT_DECL(offsetof(struct ofpact_conntrack, actions)
+ == sizeof(struct ofpact_conntrack));
+
+static inline size_t
+ofpact_ct_get_action_len(const struct ofpact_conntrack *oc)
+{
+ return oc->ofpact.len - offsetof(struct ofpact_conntrack, actions);
+}
+
static inline size_t
ofpact_nest_get_action_len(const struct ofpact_nest *on)
{
void ofpacts_execute_action_set(struct ofpbuf *action_list,
const struct ofpbuf *action_set);
+/* Bits for 'flags' in struct nx_action_nat.
+ */
+enum nx_nat_flags {
+ NX_NAT_F_SRC = 1 << 0,
+ NX_NAT_F_DST = 1 << 1,
+ NX_NAT_F_PERSISTENT = 1 << 2,
+ NX_NAT_F_PROTO_HASH = 1 << 3,
+ NX_NAT_F_PROTO_RANDOM = 1 << 4,
+};
+
+/* OFPACT_NAT.
+ *
+ * Used for NXAST_NAT. */
+struct ofpact_nat {
+ struct ofpact ofpact;
+ uint8_t range_af; /* AF_UNSPEC, AF_INET, or AF_INET6 */
+ uint16_t flags; /* NX_NAT_F_* */
+ struct {
+ struct {
+ uint16_t min;
+ uint16_t max;
+ } proto;
+ union {
+ struct {
+ ovs_be32 min;
+ ovs_be32 max;
+ } ipv4;
+ struct {
+ struct in6_addr min;
+ struct in6_addr max;
+ } ipv6;
+ } addr;
+ } range;
+};
+
+
/* OFPACT_RESUBMIT.
*
* Used for NXAST_RESUBMIT, NXAST_RESUBMIT_TABLE. */
uint32_t group_id);
bool ofpacts_equal(const struct ofpact a[], size_t a_len,
const struct ofpact b[], size_t b_len);
+const struct mf_field *ofpact_get_mf_dst(const struct ofpact *ofpact);
uint32_t ofpacts_get_meter(const struct ofpact[], size_t ofpacts_len);
/* Formatting and parsing ofpacts. */
*
* Appends a new 'ofpact', of length OFPACT_<ENUM>_RAW_SIZE, to 'ofpacts',
* initializes it with ofpact_init_<ENUM>(), and returns it. Also sets
- * 'ofpacts->l2' to the returned action.
+ * 'ofpacts->header' to the returned action.
*
* After using this function to add a variable-length action, add the
* elements of the flexible array (e.g. with ofpbuf_put()), then use