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/*
* Copyright (c) 2008, 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 DPIF_H
#define DPIF_H 1
/* Operations for the datapath running in the local kernel. The interface can
* generalize to multiple types of local datapaths, but the implementation only
* supports the openflow kernel module. */
#include "openvswitch/datapath-protocol.h"
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
struct ofpbuf;
/* A datapath interface. Opaque. */
struct dpif {
unsigned int minor; /* For use in error messages. */
int fd;
};
int dpif_open(const char *name, struct dpif *);
int dpif_create(const char *name, struct dpif *);
void dpif_close(struct dpif *);
static inline unsigned int dpif_id(const struct dpif *dpif);
int dpif_get_name(struct dpif *, char *name, size_t name_size);
int dpif_delete(struct dpif *);
int dpif_get_dp_stats(const struct dpif *, struct odp_stats *);
int dpif_get_drop_frags(const struct dpif *, bool *drop_frags);
int dpif_set_drop_frags(struct dpif *, bool drop_frags);
int dpif_get_listen_mask(const struct dpif *, int *listen_mask);
int dpif_set_listen_mask(struct dpif *, int listen_mask);
int dpif_purge(struct dpif *);
int dpif_port_add(struct dpif *, const char *devname, uint16_t port_no,
uint16_t flags);
int dpif_port_del(struct dpif *, uint16_t port_no);
int dpif_port_query_by_number(const struct dpif *, uint16_t port_no,
struct odp_port *);
int dpif_port_query_by_name(const struct dpif *, const char *devname,
struct odp_port *);
int dpif_port_list(const struct dpif *, struct odp_port **, size_t *n_ports);
int dpif_port_group_set(struct dpif *, uint16_t group,
const uint16_t ports[], size_t n_ports);
int dpif_port_group_get(const struct dpif *, uint16_t group,
uint16_t ports[], size_t n_ports, size_t *n_out);
int dpif_flow_flush(struct dpif *);
int dpif_flow_put(struct dpif *, struct odp_flow_put *);
int dpif_flow_del(struct dpif *, struct odp_flow *);
int dpif_flow_get(const struct dpif *, struct odp_flow *);
int dpif_flow_get_multiple(const struct dpif *, struct odp_flow[], size_t n);
int dpif_flow_list(const struct dpif *, struct odp_flow[], size_t n,
size_t *n_out);
int dpif_flow_list_all(const struct dpif *,
struct odp_flow **flowsp, size_t *np);
int dpif_execute(struct dpif *, uint16_t in_port,
const union odp_action[], size_t n_actions,
const struct ofpbuf *);
int dpif_recv(struct dpif *, struct ofpbuf **);
void dpif_recv_wait(struct dpif *);
static inline unsigned int
dpif_id(const struct dpif *dpif)
{
return dpif->minor;
}
struct dpifmon;
int dpifmon_create(const char *datapath_name, struct dpifmon **);
void dpifmon_destroy(struct dpifmon *);
int dpifmon_poll(struct dpifmon *, char **devnamep);
void dpifmon_run(struct dpifmon *);
void dpifmon_wait(struct dpifmon *);
#endif /* dpif.h */
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