-/* Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
+/* Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* 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 "ofpbuf.h"
#include "ofproto-dpif-mirror.h"
#include "ofproto-dpif.h"
-#include "tag.h"
+#include "ofproto.h"
+#include "stp.h"
+
+struct bfd;
+struct bond;
+struct dpif;
+struct lacp;
+struct dpif_ipfix;
+struct dpif_sflow;
+struct mac_learning;
+struct mcast_snooping;
+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? */
mirror_mask_t mirrors; /* Bitmap of associated mirrors. */
uint64_t odp_actions_stub[256 / 8];
- struct ofpbuf odp_actions;
+ struct ofpbuf odp_actions_buf;
+ struct ofpbuf *odp_actions;
};
struct xlate_in {
* 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
* This is normally null so the client has to set it manually after
* calling xlate_in_init(). */
const struct dpif_flow_stats *resubmit_stats;
+
+ /* 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;
+
+ /* Allows callers to optionally supply their own buffer for the resulting
+ * odp_actions stored in xlate_out. If NULL, the default buffer will be
+ * used. */
+ struct ofpbuf *odp_actions;
};
+void xlate_ofproto_set(struct ofproto_dpif *, const char *name, struct dpif *,
+ const struct mac_learning *, struct stp *,
+ struct rstp *, const struct mcast_snooping *,
+ const struct mbridge *, const struct dpif_sflow *,
+ const struct dpif_ipfix *, const struct netflow *,
+ bool forward_bpdu,
+ bool has_in_band, bool enable_recirc,
+ bool variable_length_userdata,
+ size_t mpls_label_stack_length,
+ bool masked_set_action);
+void xlate_remove_ofproto(struct ofproto_dpif *);
+
+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);
+void xlate_bundle_remove(struct ofbundle *);
+
+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 rstp_port *rstp_port,
+ const struct ofproto_port_queue *qdscp,
+ size_t n_qdscp, enum ofputil_port_config,
+ enum ofputil_port_state, bool is_tunnel,
+ bool may_enable);
+void xlate_ofport_remove(struct ofport_dpif *);
+
+struct ofproto_dpif * xlate_lookup_ofproto(const struct dpif_backer *,
+ const struct flow *,
+ ofp_port_t *ofp_in_port);
+int xlate_lookup(const struct dpif_backer *, const struct flow *,
+ struct ofproto_dpif **, struct dpif_ipfix **,
+ struct dpif_sflow **, struct netflow **,
+ ofp_port_t *ofp_in_port);
+
void xlate_actions(struct xlate_in *, struct xlate_out *);
void xlate_in_init(struct xlate_in *, struct ofproto_dpif *,
- const struct flow *, struct rule_dpif *,
- uint8_t tcp_flags, const struct ofpbuf *packet);
+ const struct flow *, ofp_port_t in_port, struct rule_dpif *,
+ 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 *, const struct dpif_flow_stats *);
+void xlate_cache_clear(struct xlate_cache *);
+void xlate_cache_delete(struct xlate_cache *);
+
+void xlate_txn_start(void);
+void xlate_txn_commit(void);
+
#endif /* ofproto-dpif-xlate.h */