* See the License for the specific language governing permissions and
* limitations under the License. */
-#ifndef OFPROT_DPIF_XLATE_H
-#define OFPROT_DPIF_XLATE_H 1
+#ifndef OFPROTO_DPIF_XLATE_H
+#define OFPROTO_DPIF_XLATE_H 1
#include "flow.h"
#include "meta-flow.h"
#include "odp-util.h"
#include "ofpbuf.h"
+#include "ofproto-dpif-mirror.h"
#include "ofproto-dpif.h"
-#include "tag.h"
-
-/* Maximum depth of flow table recursion (due to resubmit actions) in a
- * flow translation. */
-#define MAX_RESUBMIT_RECURSION 64
-
-struct xlate_ctx;
+#include "ofproto.h"
+#include "stp.h"
+
+struct bfd;
+struct bond;
+struct dpif;
+struct lacp;
+struct dpif_ipfix;
+struct dpif_sflow;
+struct mac_learning;
+struct xlate_cache;
+
+struct xlate_recirc {
+ uint32_t recirc_id; /* !0 Use recirculation instead of output. */
+ uint8_t hash_alg; /* !0 Compute hash for recirc before. */
+ uint32_t hash_basis; /* Compute hash for recirc before. */
+};
struct xlate_out {
/* Wildcards relevant in translation. Any fields that were used to
* set. */
struct flow_wildcards wc;
- tag_type tags; /* Tags associated with actions. */
enum slow_path_reason slow; /* 0 if fast path may be used. */
+ bool fail_open; /* Initial rule is fail open? */
bool has_learn; /* Actions include NXAST_LEARN? */
bool has_normal; /* Actions output to OFPP_NORMAL? */
bool has_fin_timeout; /* Actions include NXAST_FIN_TIMEOUT? */
- uint16_t nf_output_iface; /* Output interface index for NetFlow. */
+ ofp_port_t nf_output_iface; /* Output interface index for NetFlow. */
mirror_mask_t mirrors; /* Bitmap of associated mirrors. */
uint64_t odp_actions_stub[256 / 8];
* not if we are just revalidating. */
bool may_learn;
- /* The rule initiating translation or NULL. */
+ /* If the caller of xlate_actions() doesn't need the flow_wildcards
+ * contained in struct xlate_out. 'skip_wildcards' can be set to true
+ * disabling the expensive wildcard computation. When true, 'wc' in struct
+ * xlate_out is undefined and should not be read. */
+ bool skip_wildcards;
+
+ /* The rule initiating translation or NULL. If both 'rule' and 'ofpacts'
+ * are NULL, xlate_actions() will do the initial rule lookup itself. */
struct rule_dpif *rule;
/* The actions to translate. If 'rule' is not NULL, these may be NULL. */
/* Union of the set of TCP flags seen so far in this flow. (Used only by
* NXAST_FIN_TIMEOUT. Set to zero to avoid updating updating rules'
* timeouts.) */
- uint8_t tcp_flags;
+ uint16_t tcp_flags;
/* If nonnull, flow translation calls this function just before executing a
* resubmit or OFPP_TABLE action. In addition, disables logging of traces
* 'rule' is the rule being submitted into. It will be null if the
* resubmit or OFPP_TABLE action didn't find a matching rule.
*
+ * 'recurse' is the resubmit recursion depth at time of invocation.
+ *
* This is normally null so the client has to set it manually after
* calling xlate_in_init(). */
- void (*resubmit_hook)(struct xlate_ctx *, struct rule_dpif *rule);
+ void (*resubmit_hook)(struct xlate_in *, struct rule_dpif *rule,
+ int recurse);
/* If nonnull, flow translation calls this function to report some
* significant decision, e.g. to explain why OFPP_NORMAL translation
- * dropped a packet. */
- void (*report_hook)(struct xlate_ctx *, const char *s);
+ * dropped a packet. 'recurse' is the resubmit recursion depth at time of
+ * invocation. */
+ void (*report_hook)(struct xlate_in *, const char *s, int recurse);
/* If nonnull, flow translation credits the specified statistics to each
* rule reached through a resubmit or OFPP_TABLE action.
* This is normally null so the client has to set it manually after
* calling xlate_in_init(). */
const struct dpif_flow_stats *resubmit_stats;
-};
-
-/* Context used by xlate_actions() and its callees. */
-struct xlate_ctx {
- struct xlate_in *xin;
- struct xlate_out *xout;
-
- struct ofproto_dpif *ofproto;
-
- /* Flow at the last commit. */
- struct flow base_flow;
- /* Tunnel IP destination address as received. This is stored separately
- * as the base_flow.tunnel is cleared on init to reflect the datapath
- * behavior. Used to make sure not to send tunneled output to ourselves,
- * which might lead to an infinite loop. This could happen easily
- * if a tunnel is marked as 'ip_remote=flow', and the flow does not
- * actually set the tun_dst field. */
- ovs_be32 orig_tunnel_ip_dst;
-
- /* Stack for the push and pop actions. Each stack element is of type
- * "union mf_subvalue". */
- union mf_subvalue init_stack[1024 / sizeof(union mf_subvalue)];
- struct ofpbuf stack;
-
- /* The rule that we are currently translating, or NULL. */
- struct rule_dpif *rule;
-
- int recurse; /* Recursion level, via xlate_table_action. */
- bool max_resubmit_trigger; /* Recursed too deeply during translation. */
- uint32_t orig_skb_priority; /* Priority when packet arrived. */
- uint8_t table_id; /* OpenFlow table ID where flow was found. */
- uint32_t sflow_n_outputs; /* Number of output ports. */
- uint32_t sflow_odp_port; /* Output port for composing sFlow action. */
- uint16_t user_cookie_offset;/* Used for user_action_cookie fixup. */
- bool exit; /* No further actions should be processed. */
+ /* If nonnull, flow translation populates this cache with references to all
+ * modules that are affected by translation. This 'xlate_cache' may be
+ * passed to xlate_push_stats() to perform the same function as
+ * xlate_actions() without the full cost of translation.
+ *
+ * This is normally null so the client has to set it manually after
+ * calling xlate_in_init(). */
+ struct xlate_cache *xcache;
};
-void xlate_actions(struct xlate_in *, struct xlate_out *);
+extern struct ovs_rwlock xlate_rwlock;
+
+void xlate_ofproto_set(struct ofproto_dpif *, const char *name,
+ struct dpif *, struct rule_dpif *miss_rule,
+ struct rule_dpif *no_packet_in_rule,
+ const struct mac_learning *, struct stp *,
+ const struct mbridge *, const struct dpif_sflow *,
+ const struct dpif_ipfix *, const struct netflow *,
+ enum ofp_config_flags, bool forward_bpdu,
+ bool has_in_band, bool enable_recirc,
+ bool variable_length_userdata,
+ size_t mpls_label_stack_length)
+ OVS_REQ_WRLOCK(xlate_rwlock);
+void xlate_remove_ofproto(struct ofproto_dpif *) OVS_REQ_WRLOCK(xlate_rwlock);
+
+void xlate_bundle_set(struct ofproto_dpif *, struct ofbundle *,
+ const char *name, enum port_vlan_mode, int vlan,
+ unsigned long *trunks, bool use_priority_tags,
+ const struct bond *, const struct lacp *,
+ bool floodable) OVS_REQ_WRLOCK(xlate_rwlock);
+void xlate_bundle_remove(struct ofbundle *) OVS_REQ_WRLOCK(xlate_rwlock);
+
+void xlate_ofport_set(struct ofproto_dpif *, struct ofbundle *,
+ struct ofport_dpif *, ofp_port_t, odp_port_t,
+ const struct netdev *, const struct cfm *,
+ const struct bfd *, struct ofport_dpif *peer,
+ int stp_port_no, const struct ofproto_port_queue *qdscp,
+ size_t n_qdscp, enum ofputil_port_config,
+ enum ofputil_port_state, bool is_tunnel,
+ bool may_enable) OVS_REQ_WRLOCK(xlate_rwlock);
+void xlate_ofport_remove(struct ofport_dpif *) OVS_REQ_WRLOCK(xlate_rwlock);
+
+int xlate_receive(const struct dpif_backer *, struct ofpbuf *packet,
+ const struct nlattr *key, size_t key_len,
+ struct flow *, struct ofproto_dpif **, struct dpif_ipfix **,
+ struct dpif_sflow **, struct netflow **,
+ odp_port_t *odp_in_port)
+ OVS_EXCLUDED(xlate_rwlock);
+
+void xlate_actions(struct xlate_in *, struct xlate_out *)
+ OVS_EXCLUDED(xlate_rwlock);
void xlate_in_init(struct xlate_in *, struct ofproto_dpif *,
const struct flow *, struct rule_dpif *,
- uint8_t tcp_flags, const struct ofpbuf *packet);
+ uint16_t tcp_flags, const struct ofpbuf *packet);
void xlate_out_uninit(struct xlate_out *);
void xlate_actions_for_side_effects(struct xlate_in *);
void xlate_out_copy(struct xlate_out *dst, const struct xlate_out *src);
+int xlate_send_packet(const struct ofport_dpif *, struct ofpbuf *);
+
+struct xlate_cache *xlate_cache_new(void);
+void xlate_push_stats(struct xlate_cache *, bool may_learn,
+ const struct dpif_flow_stats *);
+void xlate_cache_clear(struct xlate_cache *);
+void xlate_cache_delete(struct xlate_cache *);
+
#endif /* ofproto-dpif-xlate.h */
git://git.onelab.eu / sliver-openvswitch.git / blobdiff