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/*
* 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 */
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