ofpbuf: New function ofpbuf_const_initializer().

[cascardo/ovs.git] / ofproto / ofproto-dpif-sflow.h

diff --git a/ofproto/ofproto-dpif-sflow.h b/ofproto/ofproto-dpif-sflow.h
index acafa32..014e6cc 100644 (file)
--- a/ofproto/ofproto-dpif-sflow.h
+++ b/ofproto/ofproto-dpif-sflow.h
@@ -1,6 +1,6 @@
 /*
  * 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.
@@ -20,27 +20,65 @@
 
 #include <stdint.h>
 #include "svec.h"
+#include "lib/odp-util.h"
 
 struct dpif;
 struct dpif_upcall;
 struct flow;
 struct ofproto_sflow_options;
+struct ofport;
+
+/* 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 *);
 
-struct dpif_sflow *dpif_sflow_create(struct dpif *);
-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 *, uint16_t odp_port,
-                         const char *netdev_name);
-void dpif_sflow_del_port(struct dpif_sflow *, uint16_t odp_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 *, const struct dpif_upcall *,
-                         const struct flow *);
+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 *,
+                                   odp_port_t odp_port);
 
 #endif /* ofproto/ofproto-dpif-sflow.h */