Import from old repository commit 61ef2b42a9c4ba8e1600f15bb0236765edc2ad45.

2025-08-31 14:25:26 +00:00 · 2009-07-08 13:19:16 -07:00
commit 064af42167
387 changed files with 75535 additions and 0 deletions
--- a/lib/odp-util.h
+++ b/lib/odp-util.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2009 Nicira Networks.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef ODP_UTIL_H
+#define ODP_UTIL_H 1
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "openflow/openflow.h"
+#include "openvswitch/datapath-protocol.h"
+
+struct ds;
+
+/* The kernel datapaths limits actions to those that fit in a single page of
+ * memory, so there is no point in allocating more than that.  */
+enum { MAX_ODP_ACTIONS = 4096 / sizeof(union odp_action) };
+
+struct odp_actions {
+    size_t n_actions;
+    union odp_action actions[MAX_ODP_ACTIONS];
+};
+
+static inline void
+odp_actions_init(struct odp_actions *actions)
+{
+    actions->n_actions = 0;
+}
+
+union odp_action *odp_actions_add(struct odp_actions *actions, uint16_t type);
+
+static inline bool
+odp_actions_overflow(const struct odp_actions *actions)
+{
+    return actions->n_actions > MAX_ODP_ACTIONS;
+}
+
+static inline uint16_t
+ofp_port_to_odp_port(uint16_t ofp_port)
+{
+    switch (ofp_port) {
+    case OFPP_LOCAL:
+        return ODPP_LOCAL;
+    case OFPP_NONE:
+        return ODPP_NONE;
+    default:
+        return ofp_port;
+    }
+}
+
+static inline uint16_t
+odp_port_to_ofp_port(uint16_t odp_port)
+{
+    switch (odp_port) {
+    case ODPP_LOCAL:
+        return OFPP_LOCAL;
+    case ODPP_NONE:
+        return OFPP_NONE;
+    default:
+        return odp_port;
+    }
+}
+
+void format_odp_action(struct ds *, const union odp_action *);
+void format_odp_actions(struct ds *, const union odp_action *actions,
+                        size_t n_actions);
+void format_odp_flow_stats(struct ds *, const struct odp_flow_stats *);
+void format_odp_flow(struct ds *, const struct odp_flow *);
+
+#endif /* odp-util.h */