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/*
* Copyright (c) 2021 Intel Corporation.
*
* 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 DPIF_NETDEV_PRIVATE_DPIF_H
#define DPIF_NETDEV_PRIVATE_DPIF_H 1
#include "openvswitch/types.h"
/* Forward declarations to avoid including files. */
struct dp_netdev_pmd_thread;
struct dp_packet_batch;
struct ds;
/* Typedef for DPIF functions.
* Returns whether all packets were processed successfully.
*/
typedef int32_t (*dp_netdev_input_func)(struct dp_netdev_pmd_thread *pmd,
struct dp_packet_batch *packets,
odp_port_t port_no);
/* Probe a DPIF implementation. This allows the implementation to validate CPU
* ISA availability. Returns -ENOTSUP if not available, returns 0 if valid to
* use.
*/
typedef int32_t (*dp_netdev_input_func_probe)(void);
/* Structure describing each available DPIF implementation. */
struct dpif_netdev_impl_info_t {
/* Function pointer to execute to have this DPIF implementation run. */
dp_netdev_input_func input_func;
/* Function pointer to execute to check the CPU ISA is available to run. If
* not necessary, it must be set to NULL which implies that it is always
* valid to use. */
dp_netdev_input_func_probe probe;
/* Name used to select this DPIF implementation. */
const char *name;
};
/* This function returns all available implementations to the caller. */
void
dp_netdev_impl_get(struct ds *reply, struct dp_netdev_pmd_thread **pmd_list,
size_t n);
/* Returns the default DPIF which is first ./configure selected, but can be
* overridden at runtime. */
dp_netdev_input_func dp_netdev_impl_get_default(void);
/* Overrides the default DPIF with the user set DPIF. */
int32_t dp_netdev_impl_set_default_by_name(const char *name);
bool
dp_netdev_simple_match_enabled(const struct dp_netdev_pmd_thread *pmd,
odp_port_t in_port);
uint64_t
dp_netdev_simple_match_mark(odp_port_t in_port, ovs_be16 dl_type,
uint8_t nw_frag, ovs_be16 vlan_tci);
struct dp_netdev_flow *
dp_netdev_simple_match_lookup(const struct dp_netdev_pmd_thread *pmd,
odp_port_t in_port, ovs_be16 dl_type,
uint8_t nw_frag, ovs_be16 vlan_tci);
/* Available DPIF implementations below. */
int32_t
dp_netdev_input(struct dp_netdev_pmd_thread *pmd,
struct dp_packet_batch *packets,
odp_port_t in_port);
/* AVX512 enabled DPIF implementation function. */
int32_t
dp_netdev_input_outer_avx512(struct dp_netdev_pmd_thread *pmd,
struct dp_packet_batch *packets,
odp_port_t in_port);
#endif /* netdev-private.h */
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