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net/mlx5: add preliminary flow API support

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Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
This commit is contained in:
Nélio Laranjeiro 2016-12-29 16:15:17 +01:00 committed by Ferruh Yigit
parent 4eea092b71
commit 0d356350fa
4 changed files with 156 additions and 0 deletions
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1
drivers/net/mlx5/Makefile
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@ -48,6 +48,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_stats.c
SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_rss.c
SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_fdir.c
SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_mr.c
SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5_flow.c
# Dependencies.
DEPDIRS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += lib/librte_ether

16
drivers/net/mlx5/mlx5.h
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@ -59,6 +59,7 @@
#include <rte_spinlock.h>
#include <rte_interrupts.h>
#include <rte_errno.h>
#include <rte_flow.h>
#ifdef PEDANTIC
#pragma GCC diagnostic error "-Wpedantic"
#endif
@ -268,4 +269,19 @@ void priv_fdir_enable(struct priv *);
int mlx5_dev_filter_ctrl(struct rte_eth_dev *, enum rte_filter_type,
enum rte_filter_op, void *);
/* mlx5_flow.c */
int mlx5_flow_validate(struct rte_eth_dev *, const struct rte_flow_attr *,
const struct rte_flow_item [],
const struct rte_flow_action [],
struct rte_flow_error *);
struct rte_flow *mlx5_flow_create(struct rte_eth_dev *,
const struct rte_flow_attr *,
const struct rte_flow_item [],
const struct rte_flow_action [],
struct rte_flow_error *);
int mlx5_flow_destroy(struct rte_eth_dev *, struct rte_flow *,
struct rte_flow_error *);
int mlx5_flow_flush(struct rte_eth_dev *, struct rte_flow_error *);
#endif /* RTE_PMD_MLX5_H_ */

15
drivers/net/mlx5/mlx5_fdir.c
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@ -55,6 +55,8 @@
#include <rte_malloc.h>
#include <rte_ethdev.h>
#include <rte_common.h>
#include <rte_flow.h>
#include <rte_flow_driver.h>
#ifdef PEDANTIC
#pragma GCC diagnostic error "-Wpedantic"
#endif
@ -1042,6 +1044,14 @@ priv_fdir_ctrl_func(struct priv *priv, enum rte_filter_op filter_op, void *arg)
return ret;
}
static const struct rte_flow_ops mlx5_flow_ops = {
.validate = mlx5_flow_validate,
.create = mlx5_flow_create,
.destroy = mlx5_flow_destroy,
.flush = mlx5_flow_flush,
.query = NULL,
};
/**
* Manage filter operations.
*
@ -1067,6 +1077,11 @@ mlx5_dev_filter_ctrl(struct rte_eth_dev *dev,
struct priv *priv = dev->data->dev_private;
switch (filter_type) {
case RTE_ETH_FILTER_GENERIC:
if (filter_op != RTE_ETH_FILTER_GET)
return -EINVAL;
*(const void **)arg = &mlx5_flow_ops;
return 0;
case RTE_ETH_FILTER_FDIR:
priv_lock(priv);
ret = priv_fdir_ctrl_func(priv, filter_op, arg);

124
drivers/net/mlx5/mlx5_flow.c Normal file
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@ -0,0 +1,124 @@
/*-
* BSD LICENSE
*
* Copyright 2016 6WIND S.A.
* Copyright 2016 Mellanox.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of 6WIND S.A. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <rte_ethdev.h>
#include <rte_flow.h>
#include <rte_flow_driver.h>
#include "mlx5.h"
/**
* Validate a flow supported by the NIC.
*
* @see rte_flow_validate()
* @see rte_flow_ops
*/
int
mlx5_flow_validate(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
const struct rte_flow_item items[],
const struct rte_flow_action actions[],
struct rte_flow_error *error)
{
(void)dev;
(void)attr;
(void)items;
(void)actions;
(void)error;
rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "not implemented yet");
return -rte_errno;
}
/**
* Create a flow.
*
* @see rte_flow_create()
* @see rte_flow_ops
*/
struct rte_flow *
mlx5_flow_create(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
const struct rte_flow_item items[],
const struct rte_flow_action actions[],
struct rte_flow_error *error)
{
(void)dev;
(void)attr;
(void)items;
(void)actions;
(void)error;
rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "not implemented yet");
return NULL;
}
/**
* Destroy a flow.
*
* @see rte_flow_destroy()
* @see rte_flow_ops
*/
int
mlx5_flow_destroy(struct rte_eth_dev *dev,
struct rte_flow *flow,
struct rte_flow_error *error)
{
(void)dev;
(void)flow;
(void)error;
rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "not implemented yet");
return -rte_errno;
}
/**
* Destroy all flows.
*
* @see rte_flow_flush()
* @see rte_flow_ops
*/
int
mlx5_flow_flush(struct rte_eth_dev *dev,
struct rte_flow_error *error)
{
(void)dev;
(void)error;
rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "not implemented yet");
return -rte_errno;
}