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/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
* Copyright (c) 2019 Samsung Electronics Co.,Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef NETDEV_OFFLOAD_H
#define NETDEV_OFFLOAD_H 1
#include "openvswitch/netdev.h"
#include "openvswitch/types.h"
#include "packets.h"
#include "flow.h"
#ifdef __cplusplus
extern "C" {
#endif
struct dp_packet_batch;
struct dp_packet;
struct netdev_class;
struct netdev_rxq;
struct netdev_saved_flags;
struct ofpbuf;
struct in_addr;
struct in6_addr;
struct smap;
struct sset;
struct ovs_action_push_tnl;
/* Offload-capable (HW) netdev information */
struct netdev_hw_info {
bool oor; /* Out of Offload Resources ? */
int offload_count; /* Pending (non-offloaded) flow count */
int pending_count; /* Offloaded flow count */
};
enum hw_info_type {
HW_INFO_TYPE_OOR = 1, /* OOR state */
HW_INFO_TYPE_PEND_COUNT = 2, /* Pending(non-offloaded) flow count */
HW_INFO_TYPE_OFFL_COUNT = 3 /* Offloaded flow count */
};
struct netdev_flow_dump {
struct netdev *netdev;
odp_port_t port;
bool terse;
struct nl_dump *nl_dump;
};
/* Flow offloading. */
struct offload_info {
const struct dpif_class *dpif_class;
ovs_be16 tp_dst_port; /* Destination port for tunnel in SET action */
uint8_t tunnel_csum_on; /* Tunnel header with checksum */
bool recirc_id_shared_with_tc; /* Indicates whever tc chains will be in
* sync with datapath recirc ids. */
/*
* The flow mark id assigened to the flow. If any pkts hit the flow,
* it will be in the pkt meta data.
*/
uint32_t flow_mark;
bool tc_modify_flow_deleted; /* Indicate the tc modify flow put success
* to delete the original flow. */
};
int netdev_flow_flush(struct netdev *);
int netdev_flow_dump_create(struct netdev *, struct netdev_flow_dump **dump);
int netdev_flow_dump_destroy(struct netdev_flow_dump *);
bool netdev_flow_dump_next(struct netdev_flow_dump *, struct match *,
struct nlattr **actions, struct dpif_flow_stats *,
struct dpif_flow_attrs *, ovs_u128 *ufid,
struct ofpbuf *rbuffer, struct ofpbuf *wbuffer);
int netdev_flow_put(struct netdev *, struct match *, struct nlattr *actions,
size_t actions_len, const ovs_u128 *,
struct offload_info *, struct dpif_flow_stats *);
int netdev_flow_get(struct netdev *, struct match *, struct nlattr **actions,
const ovs_u128 *, struct dpif_flow_stats *,
struct dpif_flow_attrs *, struct ofpbuf *wbuffer);
int netdev_flow_del(struct netdev *, const ovs_u128 *,
struct dpif_flow_stats *);
int netdev_init_flow_api(struct netdev *);
void netdev_uninit_flow_api(struct netdev *);
uint32_t netdev_get_block_id(struct netdev *);
int netdev_get_hw_info(struct netdev *, int);
void netdev_set_hw_info(struct netdev *, int, int);
bool netdev_any_oor(void);
bool netdev_is_flow_api_enabled(void);
void netdev_set_flow_api_enabled(const struct smap *ovs_other_config);
bool netdev_is_offload_rebalance_policy_enabled(void);
struct dpif_class;
struct dpif_port;
int netdev_ports_insert(struct netdev *, const struct dpif_class *,
struct dpif_port *);
struct netdev *netdev_ports_get(odp_port_t port, const struct dpif_class *);
int netdev_ports_remove(odp_port_t port, const struct dpif_class *);
odp_port_t netdev_ifindex_to_odp_port(int ifindex);
struct netdev_flow_dump **netdev_ports_flow_dump_create(
const struct dpif_class *,
int *ports);
void netdev_ports_flow_flush(const struct dpif_class *);
int netdev_ports_flow_del(const struct dpif_class *, const ovs_u128 *ufid,
struct dpif_flow_stats *stats);
int netdev_ports_flow_get(const struct dpif_class *, struct match *match,
struct nlattr **actions,
const ovs_u128 *ufid,
struct dpif_flow_stats *stats,
struct dpif_flow_attrs *attrs,
struct ofpbuf *buf);
#ifdef __cplusplus
}
#endif
#endif /* netdev-offload.h */
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