/*
* Copyright (c) 2009, 2010 InMon Corp.
- * Copyright (c) 2009 Nicira Networks.
+ * Copyright (c) 2009, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
struct ofproto_sflow_options;
struct ofport;
-struct dpif_sflow *dpif_sflow_create(struct dpif *);
+/* When we have the actions for a sampled packet that
+ * will go to just one output, then this structure is
+ * populated by parsing them. Only fields relevant to
+ * the sFlow export are extracted.
+ */
+struct dpif_sflow_actions {
+ odp_port_t out_port; /* ODP output port. */
+
+ uint32_t encap_depth; /* Count layers of tunnel-encap. */
+ struct flow_tnl tunnel; /* Egress tunnel push/set. */
+ uint8_t tunnel_ipproto; /* Tunnel push action can set ipproto. */
+ bool tunnel_err; /* Tunnel actions parse failure. */
+
+ /* Using host-byte order for the mpls stack here
+ to match the expectations of the sFlow library. Also
+ the ordering is reversed, so that the entry at offset 0
+ is the bottom of the stack.
+ */
+ uint32_t mpls_lse[FLOW_MAX_MPLS_LABELS]; /* Out stack in host byte order. */
+ uint32_t mpls_stack_depth; /* Out stack depth. */
+ bool mpls_err; /* MPLS actions parse failure. */
+};
+
+struct dpif_sflow *dpif_sflow_create(void);
+struct dpif_sflow *dpif_sflow_ref(const struct dpif_sflow *);
+void dpif_sflow_unref(struct dpif_sflow *);
+
uint32_t dpif_sflow_get_probability(const struct dpif_sflow *);
-void dpif_sflow_destroy(struct dpif_sflow *);
void dpif_sflow_set_options(struct dpif_sflow *,
const struct ofproto_sflow_options *);
void dpif_sflow_clear(struct dpif_sflow *);
bool dpif_sflow_is_enabled(const struct dpif_sflow *);
-void dpif_sflow_add_port(struct dpif_sflow *ds, struct ofport *ofport);
-void dpif_sflow_del_port(struct dpif_sflow *, uint16_t ovs_port);
+void dpif_sflow_add_port(struct dpif_sflow *ds, struct ofport *ofport,
+ odp_port_t odp_port);
+void dpif_sflow_del_port(struct dpif_sflow *, odp_port_t odp_port);
void dpif_sflow_run(struct dpif_sflow *);
void dpif_sflow_wait(struct dpif_sflow *);
-void dpif_sflow_received(struct dpif_sflow *,
- struct ofpbuf *,
- const struct flow *,
- const struct user_action_cookie *);
+void dpif_sflow_read_actions(const struct flow *,
+ const struct nlattr *actions, size_t actions_len,
+ struct dpif_sflow_actions *);
+
+void dpif_sflow_received(struct dpif_sflow *, const struct dp_packet *,
+ const struct flow *, odp_port_t odp_port,
+ const union user_action_cookie *,
+ const struct dpif_sflow_actions *);
-int dpif_sflow_odp_port_to_ifindex(const struct dpif_sflow *, uint16_t);
+int dpif_sflow_odp_port_to_ifindex(const struct dpif_sflow *,
+ odp_port_t odp_port);
#endif /* ofproto/ofproto-dpif-sflow.h */