X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=ofproto%2Fofproto-dpif-upcall.h;h=efa3cd1900841d75ede6a9ba14eec679f937f84b;hb=eda26d40ae086539e7de3770818f80580fc231b3;hp=57d462dedb26213ca2f5e542f79ee48eaa4496c8;hpb=050678819a46b12cdbf2021545c61631ce5041e9;p=cascardo%2Fovs.git

diff --git a/ofproto/ofproto-dpif-upcall.h b/ofproto/ofproto-dpif-upcall.h
index 57d462ded..efa3cd190 100644
--- a/ofproto/ofproto-dpif-upcall.h
+++ b/ofproto/ofproto-dpif-upcall.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013 Nicira, Inc.
+/* Copyright (c) 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.
@@ -15,117 +15,29 @@
 #ifndef OFPROTO_DPIF_UPCALL_H
 #define OFPROTO_DPIF_UPCALL_H
 
-#define FLOW_MISS_MAX_BATCH 50
-
-#include "dpif.h"
-#include "flow.h"
-#include "hmap.h"
-#include "list.h"
-#include "odp-util.h"
-#include "ofpbuf.h"
-#include "ofproto-dpif-xlate.h"
+#include <stddef.h>
 
 struct dpif;
 struct dpif_backer;
+struct dpif_upcall;
+struct ofpbuf;
+struct seq;
+struct simap;
 
-/* udif is responsible for retrieving upcalls from the kernel, processing miss
- * upcalls, and handing more complex ones up to the main ofproto-dpif
- * module. */
+/* Udif is responsible for retrieving upcalls from the kernel and processing
+ * them.  Additionally, it's responsible for maintaining the datapath flow
+ * table. */
 
+void udpif_init(void);
 struct udpif *udpif_create(struct dpif_backer *, struct dpif *);
-void udpif_recv_set(struct udpif *, size_t n_workers, bool enable);
+void udpif_run(struct udpif *udpif);
+void udpif_set_threads(struct udpif *, size_t n_handlers,
+                       size_t n_revalidators);
+void udpif_synchronize(struct udpif *);
 void udpif_destroy(struct udpif *);
-
-void udpif_wait(struct udpif *);
-
 void udpif_revalidate(struct udpif *);
-
-/* udpif can handle some upcalls on its own.  Others need the main ofproto_dpif
- * code to handle them.  This interface passes upcalls not handled by udpif up
- * to the ofproto_dpif main thread. */
-
-/* Type of an upcall. */
-enum upcall_type {
-    /* Handled internally by udpif code.  Not returned by upcall_next().*/
-    BAD_UPCALL,                 /* Some kind of bug somewhere. */
-    MISS_UPCALL,                /* A flow miss.  */
-
-    /* Require main thread's involvement.  May be returned by upcall_next(). */
-    SFLOW_UPCALL,               /* sFlow sample. */
-    FLOW_SAMPLE_UPCALL,         /* Per-flow sampling. */
-    IPFIX_UPCALL                /* Per-bridge sampling. */
-};
-
-/* An upcall. */
-struct upcall {
-    struct list list_node;          /* For queuing upcalls. */
-
-    enum upcall_type type;          /* Classification. */
-
-    /* Raw upcall plus data for keeping track of the memory backing it. */
-    struct dpif_upcall dpif_upcall; /* As returned by dpif_recv() */
-    struct ofpbuf upcall_buf;       /* Owns some data in 'dpif_upcall'. */
-    uint64_t upcall_stub[512 / 8];  /* Buffer to reduce need for malloc(). */
-};
-
-struct upcall *upcall_next(struct udpif *);
-void upcall_destroy(struct upcall *);
-
-/* udpif figures out how to forward packets, and does forward them, but it
- * can't set up datapath flows on its own.  This interface passes packet
- * forwarding data from udpif to the higher level ofproto_dpif to allow the
- * latter to set up datapath flows. */
-
-/* Flow miss batching.
- *
- * Some dpifs implement operations faster when you hand them off in a batch.
- * To allow batching, "struct flow_miss" queues the dpif-related work needed
- * for a given flow.  Each "struct flow_miss" corresponds to sending one or
- * more packets, plus possibly installing the flow in the dpif. */
-struct flow_miss {
-    struct hmap_node hmap_node;
-    struct ofproto_dpif *ofproto;
-
-    struct flow flow;
-    enum odp_key_fitness key_fitness;
-    const struct nlattr *key;
-    size_t key_len;
-    struct list packets;
-    enum dpif_upcall_type upcall_type;
-    struct dpif_flow_stats stats;
-
-    struct xlate_out xout;
-
-    struct list upcalls;
-};
-
-struct flow_miss_batch {
-    struct list list_node;
-
-    struct flow_miss miss_buf[FLOW_MISS_MAX_BATCH];
-    struct hmap misses;
-
-    unsigned int reval_seq;
-};
-
-struct flow_miss_batch *flow_miss_batch_next(struct udpif *);
-void flow_miss_batch_destroy(struct flow_miss_batch *);
-
-/* Drop keys are odp flow keys which have drop flows installed in the kernel.
- * These are datapath flows which have no associated ofproto, if they did we
- * would use facets.
- *
- * udpif can't install drop flows by itself.  This interfaces allows udpif to
- * pass the drop flows up to ofproto_dpif to get it to install them. */
-struct drop_key {
-    struct hmap_node hmap_node;
-    struct list list_node;
-    struct nlattr *key;
-    size_t key_len;
-};
-
-struct drop_key *drop_key_next(struct udpif *);
-void drop_key_destroy(struct drop_key *);
-void udpif_drop_key_clear(struct udpif *);
+void udpif_get_memory_usage(struct udpif *, struct simap *usage);
+struct seq *udpif_dump_seq(struct udpif *);
+void udpif_flush(struct udpif *);
 
 #endif /* ofproto-dpif-upcall.h */