b7abc67c28
Since commit 97b2217ae5 ("net/mlx4: advertise supported RSS hash
functions"), this PMD includes two similar-looking functions that convert
RSS hash fields between Verbs and DPDK formats.
This patch refactors them as a single two-way function and gets rid of
redundant helper macros.
Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright 2017 6WIND S.A.
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* Copyright 2017 Mellanox Technologies, Ltd
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*/
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#ifndef RTE_PMD_MLX4_FLOW_H_
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#define RTE_PMD_MLX4_FLOW_H_
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#include <stdint.h>
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#include <sys/queue.h>
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/* Verbs headers do not support -pedantic. */
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#ifdef PEDANTIC
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#pragma GCC diagnostic ignored "-Wpedantic"
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#endif
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#include <infiniband/verbs.h>
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#ifdef PEDANTIC
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#pragma GCC diagnostic error "-Wpedantic"
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#endif
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#include <rte_eth_ctrl.h>
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#include <rte_ethdev_driver.h>
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#include <rte_flow.h>
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#include <rte_flow_driver.h>
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#include <rte_byteorder.h>
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/** Last and lowest priority level for a flow rule. */
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#define MLX4_FLOW_PRIORITY_LAST UINT32_C(0xfff)
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/** Meta pattern item used to distinguish internal rules. */
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#define MLX4_FLOW_ITEM_TYPE_INTERNAL ((enum rte_flow_item_type)-1)
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/** PMD-specific (mlx4) definition of a flow rule handle. */
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struct rte_flow {
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LIST_ENTRY(rte_flow) next; /**< Pointer to the next flow structure. */
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struct ibv_flow *ibv_flow; /**< Verbs flow. */
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struct ibv_flow_attr *ibv_attr; /**< Pointer to Verbs attributes. */
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uint32_t ibv_attr_size; /**< Size of Verbs attributes. */
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uint32_t select:1; /**< Used by operations on the linked list. */
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uint32_t internal:1; /**< Internal flow rule outside isolated mode. */
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uint32_t mac:1; /**< Rule associated with a configured MAC address. */
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uint32_t promisc:1; /**< This rule matches everything. */
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uint32_t allmulti:1; /**< This rule matches all multicast traffic. */
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uint32_t drop:1; /**< This rule drops packets. */
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uint32_t priority; /**< Flow rule priority. */
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struct mlx4_rss *rss; /**< Rx target. */
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};
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/* mlx4_flow.c */
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uint64_t mlx4_conv_rss_types(struct priv *priv, uint64_t types,
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int verbs_to_dpdk);
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int mlx4_flow_sync(struct priv *priv, struct rte_flow_error *error);
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void mlx4_flow_clean(struct priv *priv);
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int mlx4_filter_ctrl(struct rte_eth_dev *dev,
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enum rte_filter_type filter_type,
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enum rte_filter_op filter_op,
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void *arg);
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#endif /* RTE_PMD_MLX4_FLOW_H_ */
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