X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fodp-util.h;h=00284996fe849ee32ed046f4fbb29595218df5aa;hb=0a68ffd2347e96447c5b4751c9e5ac65d5100a56;hp=4379729256ad693d27f17db01686cc35471067d4;hpb=df2c07f4338faac04f4969f243fe4e8083b309ac;p=openvswitch

diff --git a/lib/odp-util.h b/lib/odp-util.h
index 43797292..00284996 100644
--- a/lib/odp-util.h
+++ b/lib/odp-util.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011, 2012 Nicira Networks.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,14 +21,16 @@
 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>
+#include <linux/openvswitch.h>
 #include "hash.h"
 #include "openflow/openflow.h"
-#include "openvswitch/datapath-protocol.h"
 #include "util.h"
 
 struct ds;
 struct flow;
+struct nlattr;
 struct ofpbuf;
+struct shash;
 
 #define OVSP_NONE ((uint16_t) -1)
 
@@ -58,33 +60,29 @@ odp_port_to_ofp_port(uint16_t odp_port)
     }
 }
 
-int odp_action_len(uint16_t type);
-void format_odp_action(struct ds *, const struct nlattr *);
 void format_odp_actions(struct ds *, const struct nlattr *odp_actions,
                         size_t actions_len);
+int odp_actions_from_string(const char *, const struct shash *port_names,
+                            struct ofpbuf *odp_actions);
 
 /* Upper bound on the length of a nlattr-formatted flow key.  The longest
  * nlattr-formatted flow key would be:
  *
  *                         struct  pad  nl hdr  total
  *                         ------  ---  ------  -----
+ *  OVS_KEY_ATTR_PRIORITY      4    --     4      8
  *  OVS_KEY_ATTR_TUN_ID        8    --     4     12
  *  OVS_KEY_ATTR_IN_PORT       4    --     4      8
  *  OVS_KEY_ATTR_ETHERNET     12    --     4     16
  *  OVS_KEY_ATTR_8021Q         4    --     4      8
  *  OVS_KEY_ATTR_ETHERTYPE     2     2     4      8
- *  OVS_KEY_ATTR_IPV6         34     2     4     40
+ *  OVS_KEY_ATTR_IPV6         40    --     4     44
  *  OVS_KEY_ATTR_ICMPV6        2     2     4      8
  *  OVS_KEY_ATTR_ND           28    --     4     32
  *  -------------------------------------------------
- *  total                                       132
+ *  total                                       144
  */
-#define ODPUTIL_FLOW_KEY_BYTES 132
-
-/* This is an imperfect sanity-check that ODPUTIL_FLOW_KEY_BYTES doesn't
- * need to be updated, but will at least raise awareness when new OVS
- * datapath key types are added. */
-BUILD_ASSERT_DECL(__OVS_KEY_ATTR_MAX == 14);
+#define ODPUTIL_FLOW_KEY_BYTES 144
 
 /* A buffer with sufficient size and alignment to hold an nlattr-formatted flow
  * key.  An array of "struct nlattr" might not, in theory, be sufficiently
@@ -94,9 +92,51 @@ struct odputil_keybuf {
 };
 
 void odp_flow_key_format(const struct nlattr *, size_t, struct ds *);
-int odp_flow_key_from_string(const char *s, struct ofpbuf *);
+int odp_flow_key_from_string(const char *s, const struct shash *port_names,
+                             struct ofpbuf *);
 
 void odp_flow_key_from_flow(struct ofpbuf *, const struct flow *);
-int odp_flow_key_to_flow(const struct nlattr *, size_t, struct flow *);
 
+uint32_t odp_flow_key_hash(const struct nlattr *, size_t);
+
+/* How well a kernel-provided flow key (a sequence of OVS_KEY_ATTR_*
+ * attributes) matches OVS userspace expectations.
+ *
+ * These values are arranged so that greater values are "more important" than
+ * lesser ones.  In particular, a single flow key can fit the descriptions for
+ * both ODP_FIT_TOO_LITTLE and ODP_FIT_TOO_MUCH.  Such a key is treated as
+ * ODP_FIT_TOO_LITTLE. */
+enum odp_key_fitness {
+    ODP_FIT_PERFECT,            /* The key had exactly the fields we expect. */
+    ODP_FIT_TOO_MUCH,           /* The key had fields we don't understand. */
+    ODP_FIT_TOO_LITTLE,         /* The key lacked fields we expected to see. */
+    ODP_FIT_ERROR,              /* The key was invalid. */
+};
+enum odp_key_fitness odp_flow_key_to_flow(const struct nlattr *, size_t,
+                                          struct flow *);
+const char *odp_key_fitness_to_string(enum odp_key_fitness);
+
+enum user_action_cookie_type {
+    USER_ACTION_COOKIE_UNSPEC,
+    USER_ACTION_COOKIE_SFLOW,        /* Packet for sFlow sampling. */
+};
+
+/* user_action_cookie is passed as argument to OVS_ACTION_ATTR_USERSPACE.
+ * Since is it passed to kernel as u64, its size has to be 8 bytes. */
+struct user_action_cookie {
+    uint8_t   type;                 /* enum user_action_cookie_type. */
+    uint8_t   n_output;             /* No of output ports. used by sflow. */
+    ovs_be16  vlan_tci;             /* Used by sFlow */
+    uint32_t  data;                 /* Data is len for OFPP_CONTROLLER action.
+                                       For sFlow it is port_ifindex. */
+};
+
+BUILD_ASSERT_DECL(sizeof(struct user_action_cookie) == 8);
+
+size_t odp_put_userspace_action(uint32_t pid,
+                                const struct user_action_cookie *,
+                                struct ofpbuf *odp_actions);
+
+void commit_odp_actions(const struct flow *, struct flow *base,
+                        struct ofpbuf *odp_actions);
 #endif /* odp-util.h */