e205c95f74
Some rte_flow fields which are local to subflows have been moved to mlx5_flow structure. RSS attributes are grouped by mlx5_flow_rss structure. tag_resource is moved to mlx5_flow_dv structure. Signed-off-by: Yongseok Koh <yskoh@mellanox.com> Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com> Acked-by: Matan Azrad <matan@mellanox.com>
4048 lines
110 KiB
C
4048 lines
110 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright 2016 6WIND S.A.
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* Copyright 2016 Mellanox Technologies, Ltd
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*/
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#include <netinet/in.h>
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#include <sys/queue.h>
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#include <stdalign.h>
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#include <stdint.h>
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#include <string.h>
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/* Verbs header. */
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/* ISO C doesn't support unnamed structs/unions, disabling -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_common.h>
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#include <rte_ether.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_malloc.h>
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#include <rte_ip.h>
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#include "mlx5.h"
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#include "mlx5_defs.h"
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#include "mlx5_flow.h"
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#include "mlx5_glue.h"
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#include "mlx5_prm.h"
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#include "mlx5_rxtx.h"
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/* Dev ops structure defined in mlx5.c */
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extern const struct eth_dev_ops mlx5_dev_ops;
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extern const struct eth_dev_ops mlx5_dev_ops_isolate;
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/** Device flow drivers. */
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#ifdef HAVE_IBV_FLOW_DV_SUPPORT
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extern const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops;
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#endif
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extern const struct mlx5_flow_driver_ops mlx5_flow_verbs_drv_ops;
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const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops;
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const struct mlx5_flow_driver_ops *flow_drv_ops[] = {
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[MLX5_FLOW_TYPE_MIN] = &mlx5_flow_null_drv_ops,
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#ifdef HAVE_IBV_FLOW_DV_SUPPORT
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[MLX5_FLOW_TYPE_DV] = &mlx5_flow_dv_drv_ops,
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#endif
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[MLX5_FLOW_TYPE_VERBS] = &mlx5_flow_verbs_drv_ops,
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[MLX5_FLOW_TYPE_MAX] = &mlx5_flow_null_drv_ops
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};
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enum mlx5_expansion {
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MLX5_EXPANSION_ROOT,
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MLX5_EXPANSION_ROOT_OUTER,
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MLX5_EXPANSION_ROOT_ETH_VLAN,
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MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN,
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MLX5_EXPANSION_OUTER_ETH,
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MLX5_EXPANSION_OUTER_ETH_VLAN,
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MLX5_EXPANSION_OUTER_VLAN,
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MLX5_EXPANSION_OUTER_IPV4,
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MLX5_EXPANSION_OUTER_IPV4_UDP,
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MLX5_EXPANSION_OUTER_IPV4_TCP,
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MLX5_EXPANSION_OUTER_IPV6,
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MLX5_EXPANSION_OUTER_IPV6_UDP,
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MLX5_EXPANSION_OUTER_IPV6_TCP,
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MLX5_EXPANSION_VXLAN,
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MLX5_EXPANSION_VXLAN_GPE,
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MLX5_EXPANSION_GRE,
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MLX5_EXPANSION_MPLS,
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MLX5_EXPANSION_ETH,
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MLX5_EXPANSION_ETH_VLAN,
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MLX5_EXPANSION_VLAN,
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MLX5_EXPANSION_IPV4,
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MLX5_EXPANSION_IPV4_UDP,
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MLX5_EXPANSION_IPV4_TCP,
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MLX5_EXPANSION_IPV6,
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MLX5_EXPANSION_IPV6_UDP,
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MLX5_EXPANSION_IPV6_TCP,
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};
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/** Supported expansion of items. */
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static const struct rte_flow_expand_node mlx5_support_expansion[] = {
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[MLX5_EXPANSION_ROOT] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
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MLX5_EXPANSION_IPV4,
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MLX5_EXPANSION_IPV6),
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.type = RTE_FLOW_ITEM_TYPE_END,
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},
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[MLX5_EXPANSION_ROOT_OUTER] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH,
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MLX5_EXPANSION_OUTER_IPV4,
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MLX5_EXPANSION_OUTER_IPV6),
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.type = RTE_FLOW_ITEM_TYPE_END,
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},
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[MLX5_EXPANSION_ROOT_ETH_VLAN] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH_VLAN),
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.type = RTE_FLOW_ITEM_TYPE_END,
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},
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[MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH_VLAN),
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.type = RTE_FLOW_ITEM_TYPE_END,
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},
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[MLX5_EXPANSION_OUTER_ETH] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
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MLX5_EXPANSION_OUTER_IPV6,
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MLX5_EXPANSION_MPLS),
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.type = RTE_FLOW_ITEM_TYPE_ETH,
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.rss_types = 0,
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},
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[MLX5_EXPANSION_OUTER_ETH_VLAN] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_VLAN),
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.type = RTE_FLOW_ITEM_TYPE_ETH,
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.rss_types = 0,
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},
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[MLX5_EXPANSION_OUTER_VLAN] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4,
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MLX5_EXPANSION_OUTER_IPV6),
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.type = RTE_FLOW_ITEM_TYPE_VLAN,
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},
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[MLX5_EXPANSION_OUTER_IPV4] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT
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(MLX5_EXPANSION_OUTER_IPV4_UDP,
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MLX5_EXPANSION_OUTER_IPV4_TCP,
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MLX5_EXPANSION_GRE,
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MLX5_EXPANSION_IPV4,
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MLX5_EXPANSION_IPV6),
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.type = RTE_FLOW_ITEM_TYPE_IPV4,
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.rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
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ETH_RSS_NONFRAG_IPV4_OTHER,
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},
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[MLX5_EXPANSION_OUTER_IPV4_UDP] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
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MLX5_EXPANSION_VXLAN_GPE),
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.type = RTE_FLOW_ITEM_TYPE_UDP,
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.rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
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},
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[MLX5_EXPANSION_OUTER_IPV4_TCP] = {
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.type = RTE_FLOW_ITEM_TYPE_TCP,
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.rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
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},
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[MLX5_EXPANSION_OUTER_IPV6] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT
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(MLX5_EXPANSION_OUTER_IPV6_UDP,
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MLX5_EXPANSION_OUTER_IPV6_TCP,
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MLX5_EXPANSION_IPV4,
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MLX5_EXPANSION_IPV6),
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.type = RTE_FLOW_ITEM_TYPE_IPV6,
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.rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
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ETH_RSS_NONFRAG_IPV6_OTHER,
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},
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[MLX5_EXPANSION_OUTER_IPV6_UDP] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
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MLX5_EXPANSION_VXLAN_GPE),
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.type = RTE_FLOW_ITEM_TYPE_UDP,
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.rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
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},
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[MLX5_EXPANSION_OUTER_IPV6_TCP] = {
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.type = RTE_FLOW_ITEM_TYPE_TCP,
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.rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
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},
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[MLX5_EXPANSION_VXLAN] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH),
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.type = RTE_FLOW_ITEM_TYPE_VXLAN,
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},
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[MLX5_EXPANSION_VXLAN_GPE] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH,
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MLX5_EXPANSION_IPV4,
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MLX5_EXPANSION_IPV6),
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.type = RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
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},
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[MLX5_EXPANSION_GRE] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4),
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.type = RTE_FLOW_ITEM_TYPE_GRE,
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},
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[MLX5_EXPANSION_MPLS] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
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MLX5_EXPANSION_IPV6),
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.type = RTE_FLOW_ITEM_TYPE_MPLS,
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},
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[MLX5_EXPANSION_ETH] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
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MLX5_EXPANSION_IPV6),
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.type = RTE_FLOW_ITEM_TYPE_ETH,
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},
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[MLX5_EXPANSION_ETH_VLAN] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VLAN),
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.type = RTE_FLOW_ITEM_TYPE_ETH,
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},
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[MLX5_EXPANSION_VLAN] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
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MLX5_EXPANSION_IPV6),
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.type = RTE_FLOW_ITEM_TYPE_VLAN,
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},
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[MLX5_EXPANSION_IPV4] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4_UDP,
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MLX5_EXPANSION_IPV4_TCP),
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.type = RTE_FLOW_ITEM_TYPE_IPV4,
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.rss_types = ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
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ETH_RSS_NONFRAG_IPV4_OTHER,
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},
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[MLX5_EXPANSION_IPV4_UDP] = {
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.type = RTE_FLOW_ITEM_TYPE_UDP,
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.rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
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},
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[MLX5_EXPANSION_IPV4_TCP] = {
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.type = RTE_FLOW_ITEM_TYPE_TCP,
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.rss_types = ETH_RSS_NONFRAG_IPV4_TCP,
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},
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[MLX5_EXPANSION_IPV6] = {
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.next = RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV6_UDP,
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MLX5_EXPANSION_IPV6_TCP),
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.type = RTE_FLOW_ITEM_TYPE_IPV6,
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.rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
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ETH_RSS_NONFRAG_IPV6_OTHER,
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},
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[MLX5_EXPANSION_IPV6_UDP] = {
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.type = RTE_FLOW_ITEM_TYPE_UDP,
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.rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
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},
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[MLX5_EXPANSION_IPV6_TCP] = {
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.type = RTE_FLOW_ITEM_TYPE_TCP,
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.rss_types = ETH_RSS_NONFRAG_IPV6_TCP,
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},
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};
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static const struct rte_flow_ops mlx5_flow_ops = {
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.validate = mlx5_flow_validate,
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.create = mlx5_flow_create,
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.destroy = mlx5_flow_destroy,
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.flush = mlx5_flow_flush,
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.isolate = mlx5_flow_isolate,
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.query = mlx5_flow_query,
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};
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/* Convert FDIR request to Generic flow. */
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struct mlx5_fdir {
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struct rte_flow_attr attr;
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struct rte_flow_item items[4];
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struct rte_flow_item_eth l2;
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struct rte_flow_item_eth l2_mask;
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union {
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struct rte_flow_item_ipv4 ipv4;
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struct rte_flow_item_ipv6 ipv6;
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} l3;
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union {
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struct rte_flow_item_ipv4 ipv4;
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struct rte_flow_item_ipv6 ipv6;
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} l3_mask;
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union {
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struct rte_flow_item_udp udp;
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struct rte_flow_item_tcp tcp;
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} l4;
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union {
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struct rte_flow_item_udp udp;
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struct rte_flow_item_tcp tcp;
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} l4_mask;
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struct rte_flow_action actions[2];
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struct rte_flow_action_queue queue;
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};
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/* Map of Verbs to Flow priority with 8 Verbs priorities. */
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static const uint32_t priority_map_3[][MLX5_PRIORITY_MAP_MAX] = {
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{ 0, 1, 2 }, { 2, 3, 4 }, { 5, 6, 7 },
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};
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/* Map of Verbs to Flow priority with 16 Verbs priorities. */
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static const uint32_t priority_map_5[][MLX5_PRIORITY_MAP_MAX] = {
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{ 0, 1, 2 }, { 3, 4, 5 }, { 6, 7, 8 },
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{ 9, 10, 11 }, { 12, 13, 14 },
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};
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/* Tunnel information. */
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struct mlx5_flow_tunnel_info {
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uint64_t tunnel; /**< Tunnel bit (see MLX5_FLOW_*). */
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uint32_t ptype; /**< Tunnel Ptype (see RTE_PTYPE_*). */
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};
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static struct mlx5_flow_tunnel_info tunnels_info[] = {
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{
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.tunnel = MLX5_FLOW_LAYER_VXLAN,
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.ptype = RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_L4_UDP,
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},
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{
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.tunnel = MLX5_FLOW_LAYER_GENEVE,
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.ptype = RTE_PTYPE_TUNNEL_GENEVE | RTE_PTYPE_L4_UDP,
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},
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{
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.tunnel = MLX5_FLOW_LAYER_VXLAN_GPE,
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.ptype = RTE_PTYPE_TUNNEL_VXLAN_GPE | RTE_PTYPE_L4_UDP,
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},
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{
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.tunnel = MLX5_FLOW_LAYER_GRE,
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.ptype = RTE_PTYPE_TUNNEL_GRE,
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},
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{
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.tunnel = MLX5_FLOW_LAYER_MPLS | MLX5_FLOW_LAYER_OUTER_L4_UDP,
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.ptype = RTE_PTYPE_TUNNEL_MPLS_IN_UDP | RTE_PTYPE_L4_UDP,
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},
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{
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.tunnel = MLX5_FLOW_LAYER_MPLS,
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.ptype = RTE_PTYPE_TUNNEL_MPLS_IN_GRE,
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},
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{
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.tunnel = MLX5_FLOW_LAYER_NVGRE,
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.ptype = RTE_PTYPE_TUNNEL_NVGRE,
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},
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{
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.tunnel = MLX5_FLOW_LAYER_IPIP,
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.ptype = RTE_PTYPE_TUNNEL_IP,
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},
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{
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.tunnel = MLX5_FLOW_LAYER_IPV6_ENCAP,
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.ptype = RTE_PTYPE_TUNNEL_IP,
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},
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};
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enum mlx5_feature_name {
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MLX5_HAIRPIN_RX,
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MLX5_HAIRPIN_TX,
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MLX5_APPLICATION,
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};
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/**
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* Translate tag ID to register.
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*
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* @param[in] dev
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* Pointer to the Ethernet device structure.
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* @param[in] feature
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* The feature that request the register.
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* @param[in] id
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* The request register ID.
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* @param[out] error
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* Error description in case of any.
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*
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* @return
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* The request register on success, a negative errno
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* value otherwise and rte_errno is set.
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*/
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__rte_unused
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static enum modify_reg flow_get_reg_id(struct rte_eth_dev *dev,
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enum mlx5_feature_name feature,
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uint32_t id,
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struct rte_flow_error *error)
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{
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static enum modify_reg id2reg[] = {
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[0] = REG_A,
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[1] = REG_C_2,
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[2] = REG_C_3,
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[3] = REG_C_4,
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[4] = REG_B,};
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dev = (void *)dev;
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switch (feature) {
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case MLX5_HAIRPIN_RX:
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return REG_B;
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case MLX5_HAIRPIN_TX:
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return REG_A;
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case MLX5_APPLICATION:
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if (id > 4)
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return rte_flow_error_set(error, EINVAL,
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RTE_FLOW_ERROR_TYPE_ITEM,
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NULL, "invalid tag id");
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return id2reg[id];
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}
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return rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM,
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NULL, "invalid feature name");
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}
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/**
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* Discover the maximum number of priority available.
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*
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* @param[in] dev
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* Pointer to the Ethernet device structure.
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*
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* @return
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* number of supported flow priority on success, a negative errno
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* value otherwise and rte_errno is set.
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*/
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int
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mlx5_flow_discover_priorities(struct rte_eth_dev *dev)
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{
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struct mlx5_priv *priv = dev->data->dev_private;
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struct {
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struct ibv_flow_attr attr;
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struct ibv_flow_spec_eth eth;
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struct ibv_flow_spec_action_drop drop;
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} flow_attr = {
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.attr = {
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.num_of_specs = 2,
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.port = (uint8_t)priv->ibv_port,
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},
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.eth = {
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.type = IBV_FLOW_SPEC_ETH,
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.size = sizeof(struct ibv_flow_spec_eth),
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},
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.drop = {
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.size = sizeof(struct ibv_flow_spec_action_drop),
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.type = IBV_FLOW_SPEC_ACTION_DROP,
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},
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};
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struct ibv_flow *flow;
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struct mlx5_hrxq *drop = mlx5_hrxq_drop_new(dev);
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uint16_t vprio[] = { 8, 16 };
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int i;
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int priority = 0;
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if (!drop) {
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rte_errno = ENOTSUP;
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return -rte_errno;
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}
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for (i = 0; i != RTE_DIM(vprio); i++) {
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flow_attr.attr.priority = vprio[i] - 1;
|
|
flow = mlx5_glue->create_flow(drop->qp, &flow_attr.attr);
|
|
if (!flow)
|
|
break;
|
|
claim_zero(mlx5_glue->destroy_flow(flow));
|
|
priority = vprio[i];
|
|
}
|
|
mlx5_hrxq_drop_release(dev);
|
|
switch (priority) {
|
|
case 8:
|
|
priority = RTE_DIM(priority_map_3);
|
|
break;
|
|
case 16:
|
|
priority = RTE_DIM(priority_map_5);
|
|
break;
|
|
default:
|
|
rte_errno = ENOTSUP;
|
|
DRV_LOG(ERR,
|
|
"port %u verbs maximum priority: %d expected 8/16",
|
|
dev->data->port_id, priority);
|
|
return -rte_errno;
|
|
}
|
|
DRV_LOG(INFO, "port %u flow maximum priority: %d",
|
|
dev->data->port_id, priority);
|
|
return priority;
|
|
}
|
|
|
|
/**
|
|
* Adjust flow priority based on the highest layer and the request priority.
|
|
*
|
|
* @param[in] dev
|
|
* Pointer to the Ethernet device structure.
|
|
* @param[in] priority
|
|
* The rule base priority.
|
|
* @param[in] subpriority
|
|
* The priority based on the items.
|
|
*
|
|
* @return
|
|
* The new priority.
|
|
*/
|
|
uint32_t mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
|
|
uint32_t subpriority)
|
|
{
|
|
uint32_t res = 0;
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
switch (priv->config.flow_prio) {
|
|
case RTE_DIM(priority_map_3):
|
|
res = priority_map_3[priority][subpriority];
|
|
break;
|
|
case RTE_DIM(priority_map_5):
|
|
res = priority_map_5[priority][subpriority];
|
|
break;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* Verify the @p item specifications (spec, last, mask) are compatible with the
|
|
* NIC capabilities.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] mask
|
|
* @p item->mask or flow default bit-masks.
|
|
* @param[in] nic_mask
|
|
* Bit-masks covering supported fields by the NIC to compare with user mask.
|
|
* @param[in] size
|
|
* Bit-masks size in bytes.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_item_acceptable(const struct rte_flow_item *item,
|
|
const uint8_t *mask,
|
|
const uint8_t *nic_mask,
|
|
unsigned int size,
|
|
struct rte_flow_error *error)
|
|
{
|
|
unsigned int i;
|
|
|
|
assert(nic_mask);
|
|
for (i = 0; i < size; ++i)
|
|
if ((nic_mask[i] | mask[i]) != nic_mask[i])
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM,
|
|
item,
|
|
"mask enables non supported"
|
|
" bits");
|
|
if (!item->spec && (item->mask || item->last))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"mask/last without a spec is not"
|
|
" supported");
|
|
if (item->spec && item->last) {
|
|
uint8_t spec[size];
|
|
uint8_t last[size];
|
|
unsigned int i;
|
|
int ret;
|
|
|
|
for (i = 0; i < size; ++i) {
|
|
spec[i] = ((const uint8_t *)item->spec)[i] & mask[i];
|
|
last[i] = ((const uint8_t *)item->last)[i] & mask[i];
|
|
}
|
|
ret = memcmp(spec, last, size);
|
|
if (ret != 0)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM,
|
|
item,
|
|
"range is not valid");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Adjust the hash fields according to the @p flow information.
|
|
*
|
|
* @param[in] dev_flow.
|
|
* Pointer to the mlx5_flow.
|
|
* @param[in] tunnel
|
|
* 1 when the hash field is for a tunnel item.
|
|
* @param[in] layer_types
|
|
* ETH_RSS_* types.
|
|
* @param[in] hash_fields
|
|
* Item hash fields.
|
|
*
|
|
* @return
|
|
* The hash fields that should be used.
|
|
*/
|
|
uint64_t
|
|
mlx5_flow_hashfields_adjust(struct mlx5_flow *dev_flow,
|
|
int tunnel __rte_unused, uint64_t layer_types,
|
|
uint64_t hash_fields)
|
|
{
|
|
struct rte_flow *flow = dev_flow->flow;
|
|
#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
|
|
int rss_request_inner = flow->rss.level >= 2;
|
|
|
|
/* Check RSS hash level for tunnel. */
|
|
if (tunnel && rss_request_inner)
|
|
hash_fields |= IBV_RX_HASH_INNER;
|
|
else if (tunnel || rss_request_inner)
|
|
return 0;
|
|
#endif
|
|
/* Check if requested layer matches RSS hash fields. */
|
|
if (!(flow->rss.types & layer_types))
|
|
return 0;
|
|
return hash_fields;
|
|
}
|
|
|
|
/**
|
|
* Lookup and set the ptype in the data Rx part. A single Ptype can be used,
|
|
* if several tunnel rules are used on this queue, the tunnel ptype will be
|
|
* cleared.
|
|
*
|
|
* @param rxq_ctrl
|
|
* Rx queue to update.
|
|
*/
|
|
static void
|
|
flow_rxq_tunnel_ptype_update(struct mlx5_rxq_ctrl *rxq_ctrl)
|
|
{
|
|
unsigned int i;
|
|
uint32_t tunnel_ptype = 0;
|
|
|
|
/* Look up for the ptype to use. */
|
|
for (i = 0; i != MLX5_FLOW_TUNNEL; ++i) {
|
|
if (!rxq_ctrl->flow_tunnels_n[i])
|
|
continue;
|
|
if (!tunnel_ptype) {
|
|
tunnel_ptype = tunnels_info[i].ptype;
|
|
} else {
|
|
tunnel_ptype = 0;
|
|
break;
|
|
}
|
|
}
|
|
rxq_ctrl->rxq.tunnel = tunnel_ptype;
|
|
}
|
|
|
|
/**
|
|
* Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) according to the devive
|
|
* flow.
|
|
*
|
|
* @param[in] dev
|
|
* Pointer to the Ethernet device structure.
|
|
* @param[in] dev_flow
|
|
* Pointer to device flow structure.
|
|
*/
|
|
static void
|
|
flow_drv_rxq_flags_set(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
struct rte_flow *flow = dev_flow->flow;
|
|
const int mark = !!(dev_flow->actions &
|
|
(MLX5_FLOW_ACTION_FLAG | MLX5_FLOW_ACTION_MARK));
|
|
const int tunnel = !!(dev_flow->layers & MLX5_FLOW_LAYER_TUNNEL);
|
|
unsigned int i;
|
|
|
|
for (i = 0; i != flow->rss.queue_num; ++i) {
|
|
int idx = (*flow->rss.queue)[i];
|
|
struct mlx5_rxq_ctrl *rxq_ctrl =
|
|
container_of((*priv->rxqs)[idx],
|
|
struct mlx5_rxq_ctrl, rxq);
|
|
|
|
if (mark) {
|
|
rxq_ctrl->rxq.mark = 1;
|
|
rxq_ctrl->flow_mark_n++;
|
|
}
|
|
if (tunnel) {
|
|
unsigned int j;
|
|
|
|
/* Increase the counter matching the flow. */
|
|
for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
|
|
if ((tunnels_info[j].tunnel &
|
|
dev_flow->layers) ==
|
|
tunnels_info[j].tunnel) {
|
|
rxq_ctrl->flow_tunnels_n[j]++;
|
|
break;
|
|
}
|
|
}
|
|
flow_rxq_tunnel_ptype_update(rxq_ctrl);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) for a flow
|
|
*
|
|
* @param[in] dev
|
|
* Pointer to the Ethernet device structure.
|
|
* @param[in] flow
|
|
* Pointer to flow structure.
|
|
*/
|
|
static void
|
|
flow_rxq_flags_set(struct rte_eth_dev *dev, struct rte_flow *flow)
|
|
{
|
|
struct mlx5_flow *dev_flow;
|
|
|
|
LIST_FOREACH(dev_flow, &flow->dev_flows, next)
|
|
flow_drv_rxq_flags_set(dev, dev_flow);
|
|
}
|
|
|
|
/**
|
|
* Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
|
|
* device flow if no other flow uses it with the same kind of request.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param[in] dev_flow
|
|
* Pointer to the device flow.
|
|
*/
|
|
static void
|
|
flow_drv_rxq_flags_trim(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
struct rte_flow *flow = dev_flow->flow;
|
|
const int mark = !!(dev_flow->actions &
|
|
(MLX5_FLOW_ACTION_FLAG | MLX5_FLOW_ACTION_MARK));
|
|
const int tunnel = !!(dev_flow->layers & MLX5_FLOW_LAYER_TUNNEL);
|
|
unsigned int i;
|
|
|
|
assert(dev->data->dev_started);
|
|
for (i = 0; i != flow->rss.queue_num; ++i) {
|
|
int idx = (*flow->rss.queue)[i];
|
|
struct mlx5_rxq_ctrl *rxq_ctrl =
|
|
container_of((*priv->rxqs)[idx],
|
|
struct mlx5_rxq_ctrl, rxq);
|
|
|
|
if (mark) {
|
|
rxq_ctrl->flow_mark_n--;
|
|
rxq_ctrl->rxq.mark = !!rxq_ctrl->flow_mark_n;
|
|
}
|
|
if (tunnel) {
|
|
unsigned int j;
|
|
|
|
/* Decrease the counter matching the flow. */
|
|
for (j = 0; j != MLX5_FLOW_TUNNEL; ++j) {
|
|
if ((tunnels_info[j].tunnel &
|
|
dev_flow->layers) ==
|
|
tunnels_info[j].tunnel) {
|
|
rxq_ctrl->flow_tunnels_n[j]--;
|
|
break;
|
|
}
|
|
}
|
|
flow_rxq_tunnel_ptype_update(rxq_ctrl);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
|
|
* @p flow if no other flow uses it with the same kind of request.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param[in] flow
|
|
* Pointer to the flow.
|
|
*/
|
|
static void
|
|
flow_rxq_flags_trim(struct rte_eth_dev *dev, struct rte_flow *flow)
|
|
{
|
|
struct mlx5_flow *dev_flow;
|
|
|
|
LIST_FOREACH(dev_flow, &flow->dev_flows, next)
|
|
flow_drv_rxq_flags_trim(dev, dev_flow);
|
|
}
|
|
|
|
/**
|
|
* Clear the Mark/Flag and Tunnel ptype information in all Rx queues.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
*/
|
|
static void
|
|
flow_rxq_flags_clear(struct rte_eth_dev *dev)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
unsigned int i;
|
|
|
|
for (i = 0; i != priv->rxqs_n; ++i) {
|
|
struct mlx5_rxq_ctrl *rxq_ctrl;
|
|
unsigned int j;
|
|
|
|
if (!(*priv->rxqs)[i])
|
|
continue;
|
|
rxq_ctrl = container_of((*priv->rxqs)[i],
|
|
struct mlx5_rxq_ctrl, rxq);
|
|
rxq_ctrl->flow_mark_n = 0;
|
|
rxq_ctrl->rxq.mark = 0;
|
|
for (j = 0; j != MLX5_FLOW_TUNNEL; ++j)
|
|
rxq_ctrl->flow_tunnels_n[j] = 0;
|
|
rxq_ctrl->rxq.tunnel = 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* return a pointer to the desired action in the list of actions.
|
|
*
|
|
* @param[in] actions
|
|
* The list of actions to search the action in.
|
|
* @param[in] action
|
|
* The action to find.
|
|
*
|
|
* @return
|
|
* Pointer to the action in the list, if found. NULL otherwise.
|
|
*/
|
|
const struct rte_flow_action *
|
|
mlx5_flow_find_action(const struct rte_flow_action *actions,
|
|
enum rte_flow_action_type action)
|
|
{
|
|
if (actions == NULL)
|
|
return NULL;
|
|
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++)
|
|
if (actions->type == action)
|
|
return actions;
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Validate the flag action.
|
|
*
|
|
* @param[in] action_flags
|
|
* Bit-fields that holds the actions detected until now.
|
|
* @param[in] attr
|
|
* Attributes of flow that includes this action.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_action_flag(uint64_t action_flags,
|
|
const struct rte_flow_attr *attr,
|
|
struct rte_flow_error *error)
|
|
{
|
|
|
|
if (action_flags & MLX5_FLOW_ACTION_DROP)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"can't drop and flag in same flow");
|
|
if (action_flags & MLX5_FLOW_ACTION_MARK)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"can't mark and flag in same flow");
|
|
if (action_flags & MLX5_FLOW_ACTION_FLAG)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"can't have 2 flag"
|
|
" actions in same flow");
|
|
if (attr->egress)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
|
|
"flag action not supported for "
|
|
"egress");
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Validate the mark action.
|
|
*
|
|
* @param[in] action
|
|
* Pointer to the queue action.
|
|
* @param[in] action_flags
|
|
* Bit-fields that holds the actions detected until now.
|
|
* @param[in] attr
|
|
* Attributes of flow that includes this action.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_action_mark(const struct rte_flow_action *action,
|
|
uint64_t action_flags,
|
|
const struct rte_flow_attr *attr,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_action_mark *mark = action->conf;
|
|
|
|
if (!mark)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION,
|
|
action,
|
|
"configuration cannot be null");
|
|
if (mark->id >= MLX5_FLOW_MARK_MAX)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
&mark->id,
|
|
"mark id must in 0 <= id < "
|
|
RTE_STR(MLX5_FLOW_MARK_MAX));
|
|
if (action_flags & MLX5_FLOW_ACTION_DROP)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"can't drop and mark in same flow");
|
|
if (action_flags & MLX5_FLOW_ACTION_FLAG)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"can't flag and mark in same flow");
|
|
if (action_flags & MLX5_FLOW_ACTION_MARK)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"can't have 2 mark actions in same"
|
|
" flow");
|
|
if (attr->egress)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
|
|
"mark action not supported for "
|
|
"egress");
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Validate the drop action.
|
|
*
|
|
* @param[in] action_flags
|
|
* Bit-fields that holds the actions detected until now.
|
|
* @param[in] attr
|
|
* Attributes of flow that includes this action.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_action_drop(uint64_t action_flags,
|
|
const struct rte_flow_attr *attr,
|
|
struct rte_flow_error *error)
|
|
{
|
|
if (action_flags & MLX5_FLOW_ACTION_FLAG)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"can't drop and flag in same flow");
|
|
if (action_flags & MLX5_FLOW_ACTION_MARK)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"can't drop and mark in same flow");
|
|
if (action_flags & (MLX5_FLOW_FATE_ACTIONS |
|
|
MLX5_FLOW_FATE_ESWITCH_ACTIONS))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"can't have 2 fate actions in"
|
|
" same flow");
|
|
if (attr->egress)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
|
|
"drop action not supported for "
|
|
"egress");
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Validate the queue action.
|
|
*
|
|
* @param[in] action
|
|
* Pointer to the queue action.
|
|
* @param[in] action_flags
|
|
* Bit-fields that holds the actions detected until now.
|
|
* @param[in] dev
|
|
* Pointer to the Ethernet device structure.
|
|
* @param[in] attr
|
|
* Attributes of flow that includes this action.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_action_queue(const struct rte_flow_action *action,
|
|
uint64_t action_flags,
|
|
struct rte_eth_dev *dev,
|
|
const struct rte_flow_attr *attr,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
const struct rte_flow_action_queue *queue = action->conf;
|
|
|
|
if (action_flags & MLX5_FLOW_FATE_ACTIONS)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"can't have 2 fate actions in"
|
|
" same flow");
|
|
if (!priv->rxqs_n)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
NULL, "No Rx queues configured");
|
|
if (queue->index >= priv->rxqs_n)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
&queue->index,
|
|
"queue index out of range");
|
|
if (!(*priv->rxqs)[queue->index])
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
&queue->index,
|
|
"queue is not configured");
|
|
if (attr->egress)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
|
|
"queue action not supported for "
|
|
"egress");
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Validate the rss action.
|
|
*
|
|
* @param[in] action
|
|
* Pointer to the queue action.
|
|
* @param[in] action_flags
|
|
* Bit-fields that holds the actions detected until now.
|
|
* @param[in] dev
|
|
* Pointer to the Ethernet device structure.
|
|
* @param[in] attr
|
|
* Attributes of flow that includes this action.
|
|
* @param[in] item_flags
|
|
* Items that were detected.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_action_rss(const struct rte_flow_action *action,
|
|
uint64_t action_flags,
|
|
struct rte_eth_dev *dev,
|
|
const struct rte_flow_attr *attr,
|
|
uint64_t item_flags,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
const struct rte_flow_action_rss *rss = action->conf;
|
|
int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
|
|
unsigned int i;
|
|
|
|
if (action_flags & MLX5_FLOW_FATE_ACTIONS)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
|
|
"can't have 2 fate actions"
|
|
" in same flow");
|
|
if (rss->func != RTE_ETH_HASH_FUNCTION_DEFAULT &&
|
|
rss->func != RTE_ETH_HASH_FUNCTION_TOEPLITZ)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
&rss->func,
|
|
"RSS hash function not supported");
|
|
#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
|
|
if (rss->level > 2)
|
|
#else
|
|
if (rss->level > 1)
|
|
#endif
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
&rss->level,
|
|
"tunnel RSS is not supported");
|
|
/* allow RSS key_len 0 in case of NULL (default) RSS key. */
|
|
if (rss->key_len == 0 && rss->key != NULL)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
&rss->key_len,
|
|
"RSS hash key length 0");
|
|
if (rss->key_len > 0 && rss->key_len < MLX5_RSS_HASH_KEY_LEN)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
&rss->key_len,
|
|
"RSS hash key too small");
|
|
if (rss->key_len > MLX5_RSS_HASH_KEY_LEN)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
&rss->key_len,
|
|
"RSS hash key too large");
|
|
if (rss->queue_num > priv->config.ind_table_max_size)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
&rss->queue_num,
|
|
"number of queues too large");
|
|
if (rss->types & MLX5_RSS_HF_MASK)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
&rss->types,
|
|
"some RSS protocols are not"
|
|
" supported");
|
|
if (!priv->rxqs_n)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
NULL, "No Rx queues configured");
|
|
if (!rss->queue_num)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
NULL, "No queues configured");
|
|
for (i = 0; i != rss->queue_num; ++i) {
|
|
if (!(*priv->rxqs)[rss->queue[i]])
|
|
return rte_flow_error_set
|
|
(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION_CONF,
|
|
&rss->queue[i], "queue is not configured");
|
|
}
|
|
if (attr->egress)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
|
|
"rss action not supported for "
|
|
"egress");
|
|
if (rss->level > 1 && !tunnel)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ACTION_CONF, NULL,
|
|
"inner RSS is not supported for "
|
|
"non-tunnel flows");
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Validate the count action.
|
|
*
|
|
* @param[in] dev
|
|
* Pointer to the Ethernet device structure.
|
|
* @param[in] attr
|
|
* Attributes of flow that includes this action.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_action_count(struct rte_eth_dev *dev __rte_unused,
|
|
const struct rte_flow_attr *attr,
|
|
struct rte_flow_error *error)
|
|
{
|
|
if (attr->egress)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
|
|
"count action not supported for "
|
|
"egress");
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Verify the @p attributes will be correctly understood by the NIC and store
|
|
* them in the @p flow if everything is correct.
|
|
*
|
|
* @param[in] dev
|
|
* Pointer to the Ethernet device structure.
|
|
* @param[in] attributes
|
|
* Pointer to flow attributes
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_attributes(struct rte_eth_dev *dev,
|
|
const struct rte_flow_attr *attributes,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
uint32_t priority_max = priv->config.flow_prio - 1;
|
|
|
|
if (attributes->group)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
|
|
NULL, "groups is not supported");
|
|
if (attributes->priority != MLX5_FLOW_PRIO_RSVD &&
|
|
attributes->priority >= priority_max)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
|
|
NULL, "priority out of range");
|
|
if (attributes->egress)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, NULL,
|
|
"egress is not supported");
|
|
if (attributes->transfer && !priv->config.dv_esw_en)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
|
|
NULL, "transfer is not supported");
|
|
if (!attributes->ingress)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
|
|
NULL,
|
|
"ingress attribute is mandatory");
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Validate ICMP6 item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit-fields that holds the items detected until now.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_icmp6(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
uint8_t target_protocol,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_item_icmp6 *mask = item->mask;
|
|
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
|
|
const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
|
|
MLX5_FLOW_LAYER_OUTER_L3_IPV6;
|
|
const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
|
|
MLX5_FLOW_LAYER_OUTER_L4;
|
|
int ret;
|
|
|
|
if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMPV6)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"protocol filtering not compatible"
|
|
" with ICMP6 layer");
|
|
if (!(item_flags & l3m))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"IPv6 is mandatory to filter on"
|
|
" ICMP6");
|
|
if (item_flags & l4m)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple L4 layers not supported");
|
|
if (!mask)
|
|
mask = &rte_flow_item_icmp6_mask;
|
|
ret = mlx5_flow_item_acceptable
|
|
(item, (const uint8_t *)mask,
|
|
(const uint8_t *)&rte_flow_item_icmp6_mask,
|
|
sizeof(struct rte_flow_item_icmp6), error);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Validate ICMP item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit-fields that holds the items detected until now.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_icmp(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
uint8_t target_protocol,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_item_icmp *mask = item->mask;
|
|
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
|
|
const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
|
|
MLX5_FLOW_LAYER_OUTER_L3_IPV4;
|
|
const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
|
|
MLX5_FLOW_LAYER_OUTER_L4;
|
|
int ret;
|
|
|
|
if (target_protocol != 0xFF && target_protocol != IPPROTO_ICMP)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"protocol filtering not compatible"
|
|
" with ICMP layer");
|
|
if (!(item_flags & l3m))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"IPv4 is mandatory to filter"
|
|
" on ICMP");
|
|
if (item_flags & l4m)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple L4 layers not supported");
|
|
if (!mask)
|
|
mask = &rte_flow_item_icmp_mask;
|
|
ret = mlx5_flow_item_acceptable
|
|
(item, (const uint8_t *)mask,
|
|
(const uint8_t *)&rte_flow_item_icmp_mask,
|
|
sizeof(struct rte_flow_item_icmp), error);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Validate Ethernet item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit-fields that holds the items detected until now.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_eth(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_item_eth *mask = item->mask;
|
|
const struct rte_flow_item_eth nic_mask = {
|
|
.dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
|
|
.src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
|
|
.type = RTE_BE16(0xffff),
|
|
};
|
|
int ret;
|
|
int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
|
|
const uint64_t ethm = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
|
|
MLX5_FLOW_LAYER_OUTER_L2;
|
|
|
|
if (item_flags & ethm)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple L2 layers not supported");
|
|
if ((!tunnel && (item_flags & MLX5_FLOW_LAYER_OUTER_L3)) ||
|
|
(tunnel && (item_flags & MLX5_FLOW_LAYER_INNER_L3)))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"L2 layer should not follow "
|
|
"L3 layers");
|
|
if ((!tunnel && (item_flags & MLX5_FLOW_LAYER_OUTER_VLAN)) ||
|
|
(tunnel && (item_flags & MLX5_FLOW_LAYER_INNER_VLAN)))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"L2 layer should not follow VLAN");
|
|
if (!mask)
|
|
mask = &rte_flow_item_eth_mask;
|
|
ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
|
|
(const uint8_t *)&nic_mask,
|
|
sizeof(struct rte_flow_item_eth),
|
|
error);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Validate VLAN item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit-fields that holds the items detected until now.
|
|
* @param[in] dev
|
|
* Ethernet device flow is being created on.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_vlan(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
struct rte_eth_dev *dev,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_item_vlan *spec = item->spec;
|
|
const struct rte_flow_item_vlan *mask = item->mask;
|
|
const struct rte_flow_item_vlan nic_mask = {
|
|
.tci = RTE_BE16(UINT16_MAX),
|
|
.inner_type = RTE_BE16(UINT16_MAX),
|
|
};
|
|
uint16_t vlan_tag = 0;
|
|
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
|
|
int ret;
|
|
const uint64_t l34m = tunnel ? (MLX5_FLOW_LAYER_INNER_L3 |
|
|
MLX5_FLOW_LAYER_INNER_L4) :
|
|
(MLX5_FLOW_LAYER_OUTER_L3 |
|
|
MLX5_FLOW_LAYER_OUTER_L4);
|
|
const uint64_t vlanm = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
|
|
MLX5_FLOW_LAYER_OUTER_VLAN;
|
|
|
|
if (item_flags & vlanm)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple VLAN layers not supported");
|
|
else if ((item_flags & l34m) != 0)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"VLAN cannot follow L3/L4 layer");
|
|
if (!mask)
|
|
mask = &rte_flow_item_vlan_mask;
|
|
ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
|
|
(const uint8_t *)&nic_mask,
|
|
sizeof(struct rte_flow_item_vlan),
|
|
error);
|
|
if (ret)
|
|
return ret;
|
|
if (!tunnel && mask->tci != RTE_BE16(0x0fff)) {
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
if (priv->vmwa_context) {
|
|
/*
|
|
* Non-NULL context means we have a virtual machine
|
|
* and SR-IOV enabled, we have to create VLAN interface
|
|
* to make hypervisor to setup E-Switch vport
|
|
* context correctly. We avoid creating the multiple
|
|
* VLAN interfaces, so we cannot support VLAN tag mask.
|
|
*/
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM,
|
|
item,
|
|
"VLAN tag mask is not"
|
|
" supported in virtual"
|
|
" environment");
|
|
}
|
|
}
|
|
if (spec) {
|
|
vlan_tag = spec->tci;
|
|
vlan_tag &= mask->tci;
|
|
}
|
|
/*
|
|
* From verbs perspective an empty VLAN is equivalent
|
|
* to a packet without VLAN layer.
|
|
*/
|
|
if (!vlan_tag)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
|
|
item->spec,
|
|
"VLAN cannot be empty");
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Validate IPV4 item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit-fields that holds the items detected until now.
|
|
* @param[in] acc_mask
|
|
* Acceptable mask, if NULL default internal default mask
|
|
* will be used to check whether item fields are supported.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_ipv4(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
uint64_t last_item,
|
|
uint16_t ether_type,
|
|
const struct rte_flow_item_ipv4 *acc_mask,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_item_ipv4 *mask = item->mask;
|
|
const struct rte_flow_item_ipv4 *spec = item->spec;
|
|
const struct rte_flow_item_ipv4 nic_mask = {
|
|
.hdr = {
|
|
.src_addr = RTE_BE32(0xffffffff),
|
|
.dst_addr = RTE_BE32(0xffffffff),
|
|
.type_of_service = 0xff,
|
|
.next_proto_id = 0xff,
|
|
},
|
|
};
|
|
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
|
|
const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
|
|
MLX5_FLOW_LAYER_OUTER_L3;
|
|
const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
|
|
MLX5_FLOW_LAYER_OUTER_L4;
|
|
int ret;
|
|
uint8_t next_proto = 0xFF;
|
|
const uint64_t l2_vlan = (MLX5_FLOW_LAYER_L2 |
|
|
MLX5_FLOW_LAYER_OUTER_VLAN |
|
|
MLX5_FLOW_LAYER_INNER_VLAN);
|
|
|
|
if ((last_item & l2_vlan) && ether_type &&
|
|
ether_type != RTE_ETHER_TYPE_IPV4)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"IPv4 cannot follow L2/VLAN layer "
|
|
"which ether type is not IPv4");
|
|
if (item_flags & MLX5_FLOW_LAYER_IPIP) {
|
|
if (mask && spec)
|
|
next_proto = mask->hdr.next_proto_id &
|
|
spec->hdr.next_proto_id;
|
|
if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM,
|
|
item,
|
|
"multiple tunnel "
|
|
"not supported");
|
|
}
|
|
if (item_flags & MLX5_FLOW_LAYER_IPV6_ENCAP)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"wrong tunnel type - IPv6 specified "
|
|
"but IPv4 item provided");
|
|
if (item_flags & l3m)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple L3 layers not supported");
|
|
else if (item_flags & l4m)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"L3 cannot follow an L4 layer.");
|
|
else if ((item_flags & MLX5_FLOW_LAYER_NVGRE) &&
|
|
!(item_flags & MLX5_FLOW_LAYER_INNER_L2))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"L3 cannot follow an NVGRE layer.");
|
|
if (!mask)
|
|
mask = &rte_flow_item_ipv4_mask;
|
|
else if (mask->hdr.next_proto_id != 0 &&
|
|
mask->hdr.next_proto_id != 0xff)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM_MASK, mask,
|
|
"partial mask is not supported"
|
|
" for protocol");
|
|
ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
|
|
acc_mask ? (const uint8_t *)acc_mask
|
|
: (const uint8_t *)&nic_mask,
|
|
sizeof(struct rte_flow_item_ipv4),
|
|
error);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Validate IPV6 item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit-fields that holds the items detected until now.
|
|
* @param[in] acc_mask
|
|
* Acceptable mask, if NULL default internal default mask
|
|
* will be used to check whether item fields are supported.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_ipv6(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
uint64_t last_item,
|
|
uint16_t ether_type,
|
|
const struct rte_flow_item_ipv6 *acc_mask,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_item_ipv6 *mask = item->mask;
|
|
const struct rte_flow_item_ipv6 *spec = item->spec;
|
|
const struct rte_flow_item_ipv6 nic_mask = {
|
|
.hdr = {
|
|
.src_addr =
|
|
"\xff\xff\xff\xff\xff\xff\xff\xff"
|
|
"\xff\xff\xff\xff\xff\xff\xff\xff",
|
|
.dst_addr =
|
|
"\xff\xff\xff\xff\xff\xff\xff\xff"
|
|
"\xff\xff\xff\xff\xff\xff\xff\xff",
|
|
.vtc_flow = RTE_BE32(0xffffffff),
|
|
.proto = 0xff,
|
|
.hop_limits = 0xff,
|
|
},
|
|
};
|
|
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
|
|
const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
|
|
MLX5_FLOW_LAYER_OUTER_L3;
|
|
const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
|
|
MLX5_FLOW_LAYER_OUTER_L4;
|
|
int ret;
|
|
uint8_t next_proto = 0xFF;
|
|
const uint64_t l2_vlan = (MLX5_FLOW_LAYER_L2 |
|
|
MLX5_FLOW_LAYER_OUTER_VLAN |
|
|
MLX5_FLOW_LAYER_INNER_VLAN);
|
|
|
|
if ((last_item & l2_vlan) && ether_type &&
|
|
ether_type != RTE_ETHER_TYPE_IPV6)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"IPv6 cannot follow L2/VLAN layer "
|
|
"which ether type is not IPv6");
|
|
if (item_flags & MLX5_FLOW_LAYER_IPV6_ENCAP) {
|
|
if (mask && spec)
|
|
next_proto = mask->hdr.proto & spec->hdr.proto;
|
|
if (next_proto == IPPROTO_IPIP || next_proto == IPPROTO_IPV6)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM,
|
|
item,
|
|
"multiple tunnel "
|
|
"not supported");
|
|
}
|
|
if (item_flags & MLX5_FLOW_LAYER_IPIP)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"wrong tunnel type - IPv4 specified "
|
|
"but IPv6 item provided");
|
|
if (item_flags & l3m)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple L3 layers not supported");
|
|
else if (item_flags & l4m)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"L3 cannot follow an L4 layer.");
|
|
else if ((item_flags & MLX5_FLOW_LAYER_NVGRE) &&
|
|
!(item_flags & MLX5_FLOW_LAYER_INNER_L2))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"L3 cannot follow an NVGRE layer.");
|
|
if (!mask)
|
|
mask = &rte_flow_item_ipv6_mask;
|
|
ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
|
|
acc_mask ? (const uint8_t *)acc_mask
|
|
: (const uint8_t *)&nic_mask,
|
|
sizeof(struct rte_flow_item_ipv6),
|
|
error);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Validate UDP item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit-fields that holds the items detected until now.
|
|
* @param[in] target_protocol
|
|
* The next protocol in the previous item.
|
|
* @param[in] flow_mask
|
|
* mlx5 flow-specific (DV, verbs, etc.) supported header fields mask.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_udp(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
uint8_t target_protocol,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_item_udp *mask = item->mask;
|
|
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
|
|
const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
|
|
MLX5_FLOW_LAYER_OUTER_L3;
|
|
const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
|
|
MLX5_FLOW_LAYER_OUTER_L4;
|
|
int ret;
|
|
|
|
if (target_protocol != 0xff && target_protocol != IPPROTO_UDP)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"protocol filtering not compatible"
|
|
" with UDP layer");
|
|
if (!(item_flags & l3m))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"L3 is mandatory to filter on L4");
|
|
if (item_flags & l4m)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple L4 layers not supported");
|
|
if (!mask)
|
|
mask = &rte_flow_item_udp_mask;
|
|
ret = mlx5_flow_item_acceptable
|
|
(item, (const uint8_t *)mask,
|
|
(const uint8_t *)&rte_flow_item_udp_mask,
|
|
sizeof(struct rte_flow_item_udp), error);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Validate TCP item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit-fields that holds the items detected until now.
|
|
* @param[in] target_protocol
|
|
* The next protocol in the previous item.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_tcp(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
uint8_t target_protocol,
|
|
const struct rte_flow_item_tcp *flow_mask,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_item_tcp *mask = item->mask;
|
|
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
|
|
const uint64_t l3m = tunnel ? MLX5_FLOW_LAYER_INNER_L3 :
|
|
MLX5_FLOW_LAYER_OUTER_L3;
|
|
const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
|
|
MLX5_FLOW_LAYER_OUTER_L4;
|
|
int ret;
|
|
|
|
assert(flow_mask);
|
|
if (target_protocol != 0xff && target_protocol != IPPROTO_TCP)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"protocol filtering not compatible"
|
|
" with TCP layer");
|
|
if (!(item_flags & l3m))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"L3 is mandatory to filter on L4");
|
|
if (item_flags & l4m)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple L4 layers not supported");
|
|
if (!mask)
|
|
mask = &rte_flow_item_tcp_mask;
|
|
ret = mlx5_flow_item_acceptable
|
|
(item, (const uint8_t *)mask,
|
|
(const uint8_t *)flow_mask,
|
|
sizeof(struct rte_flow_item_tcp), error);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Validate VXLAN item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit-fields that holds the items detected until now.
|
|
* @param[in] target_protocol
|
|
* The next protocol in the previous item.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_vxlan(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_item_vxlan *spec = item->spec;
|
|
const struct rte_flow_item_vxlan *mask = item->mask;
|
|
int ret;
|
|
union vni {
|
|
uint32_t vlan_id;
|
|
uint8_t vni[4];
|
|
} id = { .vlan_id = 0, };
|
|
uint32_t vlan_id = 0;
|
|
|
|
|
|
if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple tunnel layers not"
|
|
" supported");
|
|
/*
|
|
* Verify only UDPv4 is present as defined in
|
|
* https://tools.ietf.org/html/rfc7348
|
|
*/
|
|
if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"no outer UDP layer found");
|
|
if (!mask)
|
|
mask = &rte_flow_item_vxlan_mask;
|
|
ret = mlx5_flow_item_acceptable
|
|
(item, (const uint8_t *)mask,
|
|
(const uint8_t *)&rte_flow_item_vxlan_mask,
|
|
sizeof(struct rte_flow_item_vxlan),
|
|
error);
|
|
if (ret < 0)
|
|
return ret;
|
|
if (spec) {
|
|
memcpy(&id.vni[1], spec->vni, 3);
|
|
vlan_id = id.vlan_id;
|
|
memcpy(&id.vni[1], mask->vni, 3);
|
|
vlan_id &= id.vlan_id;
|
|
}
|
|
/*
|
|
* Tunnel id 0 is equivalent as not adding a VXLAN layer, if
|
|
* only this layer is defined in the Verbs specification it is
|
|
* interpreted as wildcard and all packets will match this
|
|
* rule, if it follows a full stack layer (ex: eth / ipv4 /
|
|
* udp), all packets matching the layers before will also
|
|
* match this rule. To avoid such situation, VNI 0 is
|
|
* currently refused.
|
|
*/
|
|
if (!vlan_id)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"VXLAN vni cannot be 0");
|
|
if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"VXLAN tunnel must be fully defined");
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Validate VXLAN_GPE item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit-fields that holds the items detected until now.
|
|
* @param[in] priv
|
|
* Pointer to the private data structure.
|
|
* @param[in] target_protocol
|
|
* The next protocol in the previous item.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
struct rte_eth_dev *dev,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
const struct rte_flow_item_vxlan_gpe *spec = item->spec;
|
|
const struct rte_flow_item_vxlan_gpe *mask = item->mask;
|
|
int ret;
|
|
union vni {
|
|
uint32_t vlan_id;
|
|
uint8_t vni[4];
|
|
} id = { .vlan_id = 0, };
|
|
uint32_t vlan_id = 0;
|
|
|
|
if (!priv->config.l3_vxlan_en)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"L3 VXLAN is not enabled by device"
|
|
" parameter and/or not configured in"
|
|
" firmware");
|
|
if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple tunnel layers not"
|
|
" supported");
|
|
/*
|
|
* Verify only UDPv4 is present as defined in
|
|
* https://tools.ietf.org/html/rfc7348
|
|
*/
|
|
if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"no outer UDP layer found");
|
|
if (!mask)
|
|
mask = &rte_flow_item_vxlan_gpe_mask;
|
|
ret = mlx5_flow_item_acceptable
|
|
(item, (const uint8_t *)mask,
|
|
(const uint8_t *)&rte_flow_item_vxlan_gpe_mask,
|
|
sizeof(struct rte_flow_item_vxlan_gpe),
|
|
error);
|
|
if (ret < 0)
|
|
return ret;
|
|
if (spec) {
|
|
if (spec->protocol)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM,
|
|
item,
|
|
"VxLAN-GPE protocol"
|
|
" not supported");
|
|
memcpy(&id.vni[1], spec->vni, 3);
|
|
vlan_id = id.vlan_id;
|
|
memcpy(&id.vni[1], mask->vni, 3);
|
|
vlan_id &= id.vlan_id;
|
|
}
|
|
/*
|
|
* Tunnel id 0 is equivalent as not adding a VXLAN layer, if only this
|
|
* layer is defined in the Verbs specification it is interpreted as
|
|
* wildcard and all packets will match this rule, if it follows a full
|
|
* stack layer (ex: eth / ipv4 / udp), all packets matching the layers
|
|
* before will also match this rule. To avoid such situation, VNI 0
|
|
* is currently refused.
|
|
*/
|
|
if (!vlan_id)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"VXLAN-GPE vni cannot be 0");
|
|
if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"VXLAN-GPE tunnel must be fully"
|
|
" defined");
|
|
return 0;
|
|
}
|
|
/**
|
|
* Validate GRE Key item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit flags to mark detected items.
|
|
* @param[in] gre_item
|
|
* Pointer to gre_item
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_gre_key(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
const struct rte_flow_item *gre_item,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const rte_be32_t *mask = item->mask;
|
|
int ret = 0;
|
|
rte_be32_t gre_key_default_mask = RTE_BE32(UINT32_MAX);
|
|
const struct rte_flow_item_gre *gre_spec = gre_item->spec;
|
|
const struct rte_flow_item_gre *gre_mask = gre_item->mask;
|
|
|
|
if (item_flags & MLX5_FLOW_LAYER_GRE_KEY)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"Multiple GRE key not support");
|
|
if (!(item_flags & MLX5_FLOW_LAYER_GRE))
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"No preceding GRE header");
|
|
if (item_flags & MLX5_FLOW_LAYER_INNER)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"GRE key following a wrong item");
|
|
if (!gre_mask)
|
|
gre_mask = &rte_flow_item_gre_mask;
|
|
if (gre_spec && (gre_mask->c_rsvd0_ver & RTE_BE16(0x2000)) &&
|
|
!(gre_spec->c_rsvd0_ver & RTE_BE16(0x2000)))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"Key bit must be on");
|
|
|
|
if (!mask)
|
|
mask = &gre_key_default_mask;
|
|
ret = mlx5_flow_item_acceptable
|
|
(item, (const uint8_t *)mask,
|
|
(const uint8_t *)&gre_key_default_mask,
|
|
sizeof(rte_be32_t), error);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Validate GRE item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit flags to mark detected items.
|
|
* @param[in] target_protocol
|
|
* The next protocol in the previous item.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_gre(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
uint8_t target_protocol,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_item_gre *spec __rte_unused = item->spec;
|
|
const struct rte_flow_item_gre *mask = item->mask;
|
|
int ret;
|
|
const struct rte_flow_item_gre nic_mask = {
|
|
.c_rsvd0_ver = RTE_BE16(0xB000),
|
|
.protocol = RTE_BE16(UINT16_MAX),
|
|
};
|
|
|
|
if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"protocol filtering not compatible"
|
|
" with this GRE layer");
|
|
if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple tunnel layers not"
|
|
" supported");
|
|
if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"L3 Layer is missing");
|
|
if (!mask)
|
|
mask = &rte_flow_item_gre_mask;
|
|
ret = mlx5_flow_item_acceptable
|
|
(item, (const uint8_t *)mask,
|
|
(const uint8_t *)&nic_mask,
|
|
sizeof(struct rte_flow_item_gre), error);
|
|
if (ret < 0)
|
|
return ret;
|
|
#ifndef HAVE_MLX5DV_DR
|
|
#ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
|
|
if (spec && (spec->protocol & mask->protocol))
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"without MPLS support the"
|
|
" specification cannot be used for"
|
|
" filtering");
|
|
#endif
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Validate Geneve item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] itemFlags
|
|
* Bit-fields that holds the items detected until now.
|
|
* @param[in] enPriv
|
|
* Pointer to the private data structure.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
|
|
int
|
|
mlx5_flow_validate_item_geneve(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
struct rte_eth_dev *dev,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
const struct rte_flow_item_geneve *spec = item->spec;
|
|
const struct rte_flow_item_geneve *mask = item->mask;
|
|
int ret;
|
|
uint16_t gbhdr;
|
|
uint8_t opt_len = priv->config.hca_attr.geneve_max_opt_len ?
|
|
MLX5_GENEVE_OPT_LEN_1 : MLX5_GENEVE_OPT_LEN_0;
|
|
const struct rte_flow_item_geneve nic_mask = {
|
|
.ver_opt_len_o_c_rsvd0 = RTE_BE16(0x3f80),
|
|
.vni = "\xff\xff\xff",
|
|
.protocol = RTE_BE16(UINT16_MAX),
|
|
};
|
|
|
|
if (!(priv->config.hca_attr.flex_parser_protocols &
|
|
MLX5_HCA_FLEX_GENEVE_ENABLED) ||
|
|
!priv->config.hca_attr.tunnel_stateless_geneve_rx)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"L3 Geneve is not enabled by device"
|
|
" parameter and/or not configured in"
|
|
" firmware");
|
|
if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple tunnel layers not"
|
|
" supported");
|
|
/*
|
|
* Verify only UDPv4 is present as defined in
|
|
* https://tools.ietf.org/html/rfc7348
|
|
*/
|
|
if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"no outer UDP layer found");
|
|
if (!mask)
|
|
mask = &rte_flow_item_geneve_mask;
|
|
ret = mlx5_flow_item_acceptable
|
|
(item, (const uint8_t *)mask,
|
|
(const uint8_t *)&nic_mask,
|
|
sizeof(struct rte_flow_item_geneve), error);
|
|
if (ret)
|
|
return ret;
|
|
if (spec) {
|
|
gbhdr = rte_be_to_cpu_16(spec->ver_opt_len_o_c_rsvd0);
|
|
if (MLX5_GENEVE_VER_VAL(gbhdr) ||
|
|
MLX5_GENEVE_CRITO_VAL(gbhdr) ||
|
|
MLX5_GENEVE_RSVD_VAL(gbhdr) || spec->rsvd1)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM,
|
|
item,
|
|
"Geneve protocol unsupported"
|
|
" fields are being used");
|
|
if (MLX5_GENEVE_OPTLEN_VAL(gbhdr) > opt_len)
|
|
return rte_flow_error_set
|
|
(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM,
|
|
item,
|
|
"Unsupported Geneve options length");
|
|
}
|
|
if (!(item_flags & MLX5_FLOW_LAYER_OUTER))
|
|
return rte_flow_error_set
|
|
(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"Geneve tunnel must be fully defined");
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Validate MPLS item.
|
|
*
|
|
* @param[in] dev
|
|
* Pointer to the rte_eth_dev structure.
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit-fields that holds the items detected until now.
|
|
* @param[in] prev_layer
|
|
* The protocol layer indicated in previous item.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_mpls(struct rte_eth_dev *dev __rte_unused,
|
|
const struct rte_flow_item *item __rte_unused,
|
|
uint64_t item_flags __rte_unused,
|
|
uint64_t prev_layer __rte_unused,
|
|
struct rte_flow_error *error)
|
|
{
|
|
#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
|
|
const struct rte_flow_item_mpls *mask = item->mask;
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
int ret;
|
|
|
|
if (!priv->config.mpls_en)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"MPLS not supported or"
|
|
" disabled in firmware"
|
|
" configuration.");
|
|
/* MPLS over IP, UDP, GRE is allowed */
|
|
if (!(prev_layer & (MLX5_FLOW_LAYER_OUTER_L3 |
|
|
MLX5_FLOW_LAYER_OUTER_L4_UDP |
|
|
MLX5_FLOW_LAYER_GRE)))
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"protocol filtering not compatible"
|
|
" with MPLS layer");
|
|
/* Multi-tunnel isn't allowed but MPLS over GRE is an exception. */
|
|
if ((item_flags & MLX5_FLOW_LAYER_TUNNEL) &&
|
|
!(item_flags & MLX5_FLOW_LAYER_GRE))
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple tunnel layers not"
|
|
" supported");
|
|
if (!mask)
|
|
mask = &rte_flow_item_mpls_mask;
|
|
ret = mlx5_flow_item_acceptable
|
|
(item, (const uint8_t *)mask,
|
|
(const uint8_t *)&rte_flow_item_mpls_mask,
|
|
sizeof(struct rte_flow_item_mpls), error);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
#endif
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"MPLS is not supported by Verbs, please"
|
|
" update.");
|
|
}
|
|
|
|
/**
|
|
* Validate NVGRE item.
|
|
*
|
|
* @param[in] item
|
|
* Item specification.
|
|
* @param[in] item_flags
|
|
* Bit flags to mark detected items.
|
|
* @param[in] target_protocol
|
|
* The next protocol in the previous item.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_validate_item_nvgre(const struct rte_flow_item *item,
|
|
uint64_t item_flags,
|
|
uint8_t target_protocol,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct rte_flow_item_nvgre *mask = item->mask;
|
|
int ret;
|
|
|
|
if (target_protocol != 0xff && target_protocol != IPPROTO_GRE)
|
|
return rte_flow_error_set(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"protocol filtering not compatible"
|
|
" with this GRE layer");
|
|
if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"multiple tunnel layers not"
|
|
" supported");
|
|
if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L3))
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_ITEM, item,
|
|
"L3 Layer is missing");
|
|
if (!mask)
|
|
mask = &rte_flow_item_nvgre_mask;
|
|
ret = mlx5_flow_item_acceptable
|
|
(item, (const uint8_t *)mask,
|
|
(const uint8_t *)&rte_flow_item_nvgre_mask,
|
|
sizeof(struct rte_flow_item_nvgre), error);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
flow_null_validate(struct rte_eth_dev *dev __rte_unused,
|
|
const struct rte_flow_attr *attr __rte_unused,
|
|
const struct rte_flow_item items[] __rte_unused,
|
|
const struct rte_flow_action actions[] __rte_unused,
|
|
bool external __rte_unused,
|
|
struct rte_flow_error *error)
|
|
{
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
|
|
}
|
|
|
|
static struct mlx5_flow *
|
|
flow_null_prepare(const struct rte_flow_attr *attr __rte_unused,
|
|
const struct rte_flow_item items[] __rte_unused,
|
|
const struct rte_flow_action actions[] __rte_unused,
|
|
struct rte_flow_error *error)
|
|
{
|
|
rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
flow_null_translate(struct rte_eth_dev *dev __rte_unused,
|
|
struct mlx5_flow *dev_flow __rte_unused,
|
|
const struct rte_flow_attr *attr __rte_unused,
|
|
const struct rte_flow_item items[] __rte_unused,
|
|
const struct rte_flow_action actions[] __rte_unused,
|
|
struct rte_flow_error *error)
|
|
{
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
|
|
}
|
|
|
|
static int
|
|
flow_null_apply(struct rte_eth_dev *dev __rte_unused,
|
|
struct rte_flow *flow __rte_unused,
|
|
struct rte_flow_error *error)
|
|
{
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
|
|
}
|
|
|
|
static void
|
|
flow_null_remove(struct rte_eth_dev *dev __rte_unused,
|
|
struct rte_flow *flow __rte_unused)
|
|
{
|
|
}
|
|
|
|
static void
|
|
flow_null_destroy(struct rte_eth_dev *dev __rte_unused,
|
|
struct rte_flow *flow __rte_unused)
|
|
{
|
|
}
|
|
|
|
static int
|
|
flow_null_query(struct rte_eth_dev *dev __rte_unused,
|
|
struct rte_flow *flow __rte_unused,
|
|
const struct rte_flow_action *actions __rte_unused,
|
|
void *data __rte_unused,
|
|
struct rte_flow_error *error)
|
|
{
|
|
return rte_flow_error_set(error, ENOTSUP,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, NULL);
|
|
}
|
|
|
|
/* Void driver to protect from null pointer reference. */
|
|
const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops = {
|
|
.validate = flow_null_validate,
|
|
.prepare = flow_null_prepare,
|
|
.translate = flow_null_translate,
|
|
.apply = flow_null_apply,
|
|
.remove = flow_null_remove,
|
|
.destroy = flow_null_destroy,
|
|
.query = flow_null_query,
|
|
};
|
|
|
|
/**
|
|
* Select flow driver type according to flow attributes and device
|
|
* configuration.
|
|
*
|
|
* @param[in] dev
|
|
* Pointer to the dev structure.
|
|
* @param[in] attr
|
|
* Pointer to the flow attributes.
|
|
*
|
|
* @return
|
|
* flow driver type, MLX5_FLOW_TYPE_MAX otherwise.
|
|
*/
|
|
static enum mlx5_flow_drv_type
|
|
flow_get_drv_type(struct rte_eth_dev *dev, const struct rte_flow_attr *attr)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
enum mlx5_flow_drv_type type = MLX5_FLOW_TYPE_MAX;
|
|
|
|
if (attr->transfer && priv->config.dv_esw_en)
|
|
type = MLX5_FLOW_TYPE_DV;
|
|
if (!attr->transfer)
|
|
type = priv->config.dv_flow_en ? MLX5_FLOW_TYPE_DV :
|
|
MLX5_FLOW_TYPE_VERBS;
|
|
return type;
|
|
}
|
|
|
|
#define flow_get_drv_ops(type) flow_drv_ops[type]
|
|
|
|
/**
|
|
* Flow driver validation API. This abstracts calling driver specific functions.
|
|
* The type of flow driver is determined according to flow attributes.
|
|
*
|
|
* @param[in] dev
|
|
* Pointer to the dev structure.
|
|
* @param[in] attr
|
|
* Pointer to the flow attributes.
|
|
* @param[in] items
|
|
* Pointer to the list of items.
|
|
* @param[in] actions
|
|
* Pointer to the list of actions.
|
|
* @param[in] external
|
|
* This flow rule is created by request external to PMD.
|
|
* @param[out] error
|
|
* Pointer to the error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
static inline int
|
|
flow_drv_validate(struct rte_eth_dev *dev,
|
|
const struct rte_flow_attr *attr,
|
|
const struct rte_flow_item items[],
|
|
const struct rte_flow_action actions[],
|
|
bool external, struct rte_flow_error *error)
|
|
{
|
|
const struct mlx5_flow_driver_ops *fops;
|
|
enum mlx5_flow_drv_type type = flow_get_drv_type(dev, attr);
|
|
|
|
fops = flow_get_drv_ops(type);
|
|
return fops->validate(dev, attr, items, actions, external, error);
|
|
}
|
|
|
|
/**
|
|
* Flow driver preparation API. This abstracts calling driver specific
|
|
* functions. Parent flow (rte_flow) should have driver type (drv_type). It
|
|
* calculates the size of memory required for device flow, allocates the memory,
|
|
* initializes the device flow and returns the pointer.
|
|
*
|
|
* @note
|
|
* This function initializes device flow structure such as dv or verbs in
|
|
* struct mlx5_flow. However, it is caller's responsibility to initialize the
|
|
* rest. For example, adding returning device flow to flow->dev_flow list and
|
|
* setting backward reference to the flow should be done out of this function.
|
|
* layers field is not filled either.
|
|
*
|
|
* @param[in] attr
|
|
* Pointer to the flow attributes.
|
|
* @param[in] items
|
|
* Pointer to the list of items.
|
|
* @param[in] actions
|
|
* Pointer to the list of actions.
|
|
* @param[out] error
|
|
* Pointer to the error structure.
|
|
*
|
|
* @return
|
|
* Pointer to device flow on success, otherwise NULL and rte_errno is set.
|
|
*/
|
|
static inline struct mlx5_flow *
|
|
flow_drv_prepare(const struct rte_flow *flow,
|
|
const struct rte_flow_attr *attr,
|
|
const struct rte_flow_item items[],
|
|
const struct rte_flow_action actions[],
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct mlx5_flow_driver_ops *fops;
|
|
enum mlx5_flow_drv_type type = flow->drv_type;
|
|
|
|
assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
|
|
fops = flow_get_drv_ops(type);
|
|
return fops->prepare(attr, items, actions, error);
|
|
}
|
|
|
|
/**
|
|
* Flow driver translation API. This abstracts calling driver specific
|
|
* functions. Parent flow (rte_flow) should have driver type (drv_type). It
|
|
* translates a generic flow into a driver flow. flow_drv_prepare() must
|
|
* precede.
|
|
*
|
|
* @note
|
|
* dev_flow->layers could be filled as a result of parsing during translation
|
|
* if needed by flow_drv_apply(). dev_flow->flow->actions can also be filled
|
|
* if necessary. As a flow can have multiple dev_flows by RSS flow expansion,
|
|
* flow->actions could be overwritten even though all the expanded dev_flows
|
|
* have the same actions.
|
|
*
|
|
* @param[in] dev
|
|
* Pointer to the rte dev structure.
|
|
* @param[in, out] dev_flow
|
|
* Pointer to the mlx5 flow.
|
|
* @param[in] attr
|
|
* Pointer to the flow attributes.
|
|
* @param[in] items
|
|
* Pointer to the list of items.
|
|
* @param[in] actions
|
|
* Pointer to the list of actions.
|
|
* @param[out] error
|
|
* Pointer to the error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
static inline int
|
|
flow_drv_translate(struct rte_eth_dev *dev, struct mlx5_flow *dev_flow,
|
|
const struct rte_flow_attr *attr,
|
|
const struct rte_flow_item items[],
|
|
const struct rte_flow_action actions[],
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct mlx5_flow_driver_ops *fops;
|
|
enum mlx5_flow_drv_type type = dev_flow->flow->drv_type;
|
|
|
|
assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
|
|
fops = flow_get_drv_ops(type);
|
|
return fops->translate(dev, dev_flow, attr, items, actions, error);
|
|
}
|
|
|
|
/**
|
|
* Flow driver apply API. This abstracts calling driver specific functions.
|
|
* Parent flow (rte_flow) should have driver type (drv_type). It applies
|
|
* translated driver flows on to device. flow_drv_translate() must precede.
|
|
*
|
|
* @param[in] dev
|
|
* Pointer to Ethernet device structure.
|
|
* @param[in, out] flow
|
|
* Pointer to flow structure.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
static inline int
|
|
flow_drv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct mlx5_flow_driver_ops *fops;
|
|
enum mlx5_flow_drv_type type = flow->drv_type;
|
|
|
|
assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
|
|
fops = flow_get_drv_ops(type);
|
|
return fops->apply(dev, flow, error);
|
|
}
|
|
|
|
/**
|
|
* Flow driver remove API. This abstracts calling driver specific functions.
|
|
* Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
|
|
* on device. All the resources of the flow should be freed by calling
|
|
* flow_drv_destroy().
|
|
*
|
|
* @param[in] dev
|
|
* Pointer to Ethernet device.
|
|
* @param[in, out] flow
|
|
* Pointer to flow structure.
|
|
*/
|
|
static inline void
|
|
flow_drv_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
|
|
{
|
|
const struct mlx5_flow_driver_ops *fops;
|
|
enum mlx5_flow_drv_type type = flow->drv_type;
|
|
|
|
assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
|
|
fops = flow_get_drv_ops(type);
|
|
fops->remove(dev, flow);
|
|
}
|
|
|
|
/**
|
|
* Flow driver destroy API. This abstracts calling driver specific functions.
|
|
* Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
|
|
* on device and releases resources of the flow.
|
|
*
|
|
* @param[in] dev
|
|
* Pointer to Ethernet device.
|
|
* @param[in, out] flow
|
|
* Pointer to flow structure.
|
|
*/
|
|
static inline void
|
|
flow_drv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
|
|
{
|
|
const struct mlx5_flow_driver_ops *fops;
|
|
enum mlx5_flow_drv_type type = flow->drv_type;
|
|
|
|
assert(type > MLX5_FLOW_TYPE_MIN && type < MLX5_FLOW_TYPE_MAX);
|
|
fops = flow_get_drv_ops(type);
|
|
fops->destroy(dev, flow);
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
int ret;
|
|
|
|
ret = flow_drv_validate(dev, attr, items, actions, true, error);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Get RSS action from the action list.
|
|
*
|
|
* @param[in] actions
|
|
* Pointer to the list of actions.
|
|
*
|
|
* @return
|
|
* Pointer to the RSS action if exist, else return NULL.
|
|
*/
|
|
static const struct rte_flow_action_rss*
|
|
flow_get_rss_action(const struct rte_flow_action actions[])
|
|
{
|
|
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
|
|
switch (actions->type) {
|
|
case RTE_FLOW_ACTION_TYPE_RSS:
|
|
return (const struct rte_flow_action_rss *)
|
|
actions->conf;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static unsigned int
|
|
find_graph_root(const struct rte_flow_item pattern[], uint32_t rss_level)
|
|
{
|
|
const struct rte_flow_item *item;
|
|
unsigned int has_vlan = 0;
|
|
|
|
for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
|
|
if (item->type == RTE_FLOW_ITEM_TYPE_VLAN) {
|
|
has_vlan = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (has_vlan)
|
|
return rss_level < 2 ? MLX5_EXPANSION_ROOT_ETH_VLAN :
|
|
MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN;
|
|
return rss_level < 2 ? MLX5_EXPANSION_ROOT :
|
|
MLX5_EXPANSION_ROOT_OUTER;
|
|
}
|
|
|
|
/**
|
|
* Check if the flow should be splited due to hairpin.
|
|
* The reason for the split is that in current HW we can't
|
|
* support encap on Rx, so if a flow have encap we move it
|
|
* to Tx.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param[in] attr
|
|
* Flow rule attributes.
|
|
* @param[in] actions
|
|
* Associated actions (list terminated by the END action).
|
|
*
|
|
* @return
|
|
* > 0 the number of actions and the flow should be split,
|
|
* 0 when no split required.
|
|
*/
|
|
static int
|
|
flow_check_hairpin_split(struct rte_eth_dev *dev,
|
|
const struct rte_flow_attr *attr,
|
|
const struct rte_flow_action actions[])
|
|
{
|
|
int queue_action = 0;
|
|
int action_n = 0;
|
|
int encap = 0;
|
|
const struct rte_flow_action_queue *queue;
|
|
const struct rte_flow_action_rss *rss;
|
|
const struct rte_flow_action_raw_encap *raw_encap;
|
|
|
|
if (!attr->ingress)
|
|
return 0;
|
|
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
|
|
switch (actions->type) {
|
|
case RTE_FLOW_ACTION_TYPE_QUEUE:
|
|
queue = actions->conf;
|
|
if (mlx5_rxq_get_type(dev, queue->index) !=
|
|
MLX5_RXQ_TYPE_HAIRPIN)
|
|
return 0;
|
|
queue_action = 1;
|
|
action_n++;
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_RSS:
|
|
rss = actions->conf;
|
|
if (mlx5_rxq_get_type(dev, rss->queue[0]) !=
|
|
MLX5_RXQ_TYPE_HAIRPIN)
|
|
return 0;
|
|
queue_action = 1;
|
|
action_n++;
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
|
|
case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
|
|
encap = 1;
|
|
action_n++;
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
|
|
raw_encap = actions->conf;
|
|
if (raw_encap->size >
|
|
(sizeof(struct rte_flow_item_eth) +
|
|
sizeof(struct rte_flow_item_ipv4)))
|
|
encap = 1;
|
|
action_n++;
|
|
break;
|
|
default:
|
|
action_n++;
|
|
break;
|
|
}
|
|
}
|
|
if (encap == 1 && queue_action)
|
|
return action_n;
|
|
return 0;
|
|
}
|
|
|
|
#define MLX5_MAX_SPLIT_ACTIONS 24
|
|
#define MLX5_MAX_SPLIT_ITEMS 24
|
|
|
|
/**
|
|
* Split the hairpin flow.
|
|
* Since HW can't support encap on Rx we move the encap to Tx.
|
|
* If the count action is after the encap then we also
|
|
* move the count action. in this case the count will also measure
|
|
* the outer bytes.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param[in] actions
|
|
* Associated actions (list terminated by the END action).
|
|
* @param[out] actions_rx
|
|
* Rx flow actions.
|
|
* @param[out] actions_tx
|
|
* Tx flow actions..
|
|
* @param[out] pattern_tx
|
|
* The pattern items for the Tx flow.
|
|
* @param[out] flow_id
|
|
* The flow ID connected to this flow.
|
|
*
|
|
* @return
|
|
* 0 on success.
|
|
*/
|
|
static int
|
|
flow_hairpin_split(struct rte_eth_dev *dev,
|
|
const struct rte_flow_action actions[],
|
|
struct rte_flow_action actions_rx[],
|
|
struct rte_flow_action actions_tx[],
|
|
struct rte_flow_item pattern_tx[],
|
|
uint32_t *flow_id)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
const struct rte_flow_action_raw_encap *raw_encap;
|
|
const struct rte_flow_action_raw_decap *raw_decap;
|
|
struct mlx5_rte_flow_action_set_tag *set_tag;
|
|
struct rte_flow_action *tag_action;
|
|
struct mlx5_rte_flow_item_tag *tag_item;
|
|
struct rte_flow_item *item;
|
|
char *addr;
|
|
struct rte_flow_error error;
|
|
int encap = 0;
|
|
|
|
mlx5_flow_id_get(priv->sh->flow_id_pool, flow_id);
|
|
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
|
|
switch (actions->type) {
|
|
case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
|
|
case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
|
|
rte_memcpy(actions_tx, actions,
|
|
sizeof(struct rte_flow_action));
|
|
actions_tx++;
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_COUNT:
|
|
if (encap) {
|
|
rte_memcpy(actions_tx, actions,
|
|
sizeof(struct rte_flow_action));
|
|
actions_tx++;
|
|
} else {
|
|
rte_memcpy(actions_rx, actions,
|
|
sizeof(struct rte_flow_action));
|
|
actions_rx++;
|
|
}
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
|
|
raw_encap = actions->conf;
|
|
if (raw_encap->size >
|
|
(sizeof(struct rte_flow_item_eth) +
|
|
sizeof(struct rte_flow_item_ipv4))) {
|
|
memcpy(actions_tx, actions,
|
|
sizeof(struct rte_flow_action));
|
|
actions_tx++;
|
|
encap = 1;
|
|
} else {
|
|
rte_memcpy(actions_rx, actions,
|
|
sizeof(struct rte_flow_action));
|
|
actions_rx++;
|
|
}
|
|
break;
|
|
case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
|
|
raw_decap = actions->conf;
|
|
if (raw_decap->size <
|
|
(sizeof(struct rte_flow_item_eth) +
|
|
sizeof(struct rte_flow_item_ipv4))) {
|
|
memcpy(actions_tx, actions,
|
|
sizeof(struct rte_flow_action));
|
|
actions_tx++;
|
|
} else {
|
|
rte_memcpy(actions_rx, actions,
|
|
sizeof(struct rte_flow_action));
|
|
actions_rx++;
|
|
}
|
|
break;
|
|
default:
|
|
rte_memcpy(actions_rx, actions,
|
|
sizeof(struct rte_flow_action));
|
|
actions_rx++;
|
|
break;
|
|
}
|
|
}
|
|
/* Add set meta action and end action for the Rx flow. */
|
|
tag_action = actions_rx;
|
|
tag_action->type = MLX5_RTE_FLOW_ACTION_TYPE_TAG;
|
|
actions_rx++;
|
|
rte_memcpy(actions_rx, actions, sizeof(struct rte_flow_action));
|
|
actions_rx++;
|
|
set_tag = (void *)actions_rx;
|
|
set_tag->id = flow_get_reg_id(dev, MLX5_HAIRPIN_RX, 0, &error);
|
|
set_tag->data = *flow_id;
|
|
tag_action->conf = set_tag;
|
|
/* Create Tx item list. */
|
|
rte_memcpy(actions_tx, actions, sizeof(struct rte_flow_action));
|
|
addr = (void *)&pattern_tx[2];
|
|
item = pattern_tx;
|
|
item->type = MLX5_RTE_FLOW_ITEM_TYPE_TAG;
|
|
tag_item = (void *)addr;
|
|
tag_item->data = *flow_id;
|
|
tag_item->id = flow_get_reg_id(dev, MLX5_HAIRPIN_TX, 0, NULL);
|
|
item->spec = tag_item;
|
|
addr += sizeof(struct mlx5_rte_flow_item_tag);
|
|
tag_item = (void *)addr;
|
|
tag_item->data = UINT32_MAX;
|
|
tag_item->id = UINT16_MAX;
|
|
item->mask = tag_item;
|
|
addr += sizeof(struct mlx5_rte_flow_item_tag);
|
|
item->last = NULL;
|
|
item++;
|
|
item->type = RTE_FLOW_ITEM_TYPE_END;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Create a flow and add it to @p list.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param list
|
|
* Pointer to a TAILQ flow list.
|
|
* @param[in] attr
|
|
* Flow rule attributes.
|
|
* @param[in] items
|
|
* Pattern specification (list terminated by the END pattern item).
|
|
* @param[in] actions
|
|
* Associated actions (list terminated by the END action).
|
|
* @param[in] external
|
|
* This flow rule is created by request external to PMD.
|
|
* @param[out] error
|
|
* Perform verbose error reporting if not NULL.
|
|
*
|
|
* @return
|
|
* A flow on success, NULL otherwise and rte_errno is set.
|
|
*/
|
|
static struct rte_flow *
|
|
flow_list_create(struct rte_eth_dev *dev, struct mlx5_flows *list,
|
|
const struct rte_flow_attr *attr,
|
|
const struct rte_flow_item items[],
|
|
const struct rte_flow_action actions[],
|
|
bool external, struct rte_flow_error *error)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
struct rte_flow *flow = NULL;
|
|
struct mlx5_flow *dev_flow;
|
|
const struct rte_flow_action_rss *rss;
|
|
union {
|
|
struct rte_flow_expand_rss buf;
|
|
uint8_t buffer[2048];
|
|
} expand_buffer;
|
|
union {
|
|
struct rte_flow_action actions[MLX5_MAX_SPLIT_ACTIONS];
|
|
uint8_t buffer[2048];
|
|
} actions_rx;
|
|
union {
|
|
struct rte_flow_action actions[MLX5_MAX_SPLIT_ACTIONS];
|
|
uint8_t buffer[2048];
|
|
} actions_hairpin_tx;
|
|
union {
|
|
struct rte_flow_item items[MLX5_MAX_SPLIT_ITEMS];
|
|
uint8_t buffer[2048];
|
|
} items_tx;
|
|
struct rte_flow_expand_rss *buf = &expand_buffer.buf;
|
|
const struct rte_flow_action *p_actions_rx = actions;
|
|
int ret;
|
|
uint32_t i;
|
|
uint32_t flow_size;
|
|
int hairpin_flow = 0;
|
|
uint32_t hairpin_id = 0;
|
|
struct rte_flow_attr attr_tx = { .priority = 0 };
|
|
|
|
hairpin_flow = flow_check_hairpin_split(dev, attr, actions);
|
|
if (hairpin_flow > 0) {
|
|
if (hairpin_flow > MLX5_MAX_SPLIT_ACTIONS) {
|
|
rte_errno = EINVAL;
|
|
return NULL;
|
|
}
|
|
flow_hairpin_split(dev, actions, actions_rx.actions,
|
|
actions_hairpin_tx.actions, items_tx.items,
|
|
&hairpin_id);
|
|
p_actions_rx = actions_rx.actions;
|
|
}
|
|
ret = flow_drv_validate(dev, attr, items, p_actions_rx, external,
|
|
error);
|
|
if (ret < 0)
|
|
goto error_before_flow;
|
|
flow_size = sizeof(struct rte_flow);
|
|
rss = flow_get_rss_action(p_actions_rx);
|
|
if (rss)
|
|
flow_size += RTE_ALIGN_CEIL(rss->queue_num * sizeof(uint16_t),
|
|
sizeof(void *));
|
|
else
|
|
flow_size += RTE_ALIGN_CEIL(sizeof(uint16_t), sizeof(void *));
|
|
flow = rte_calloc(__func__, 1, flow_size, 0);
|
|
if (!flow) {
|
|
rte_errno = ENOMEM;
|
|
goto error_before_flow;
|
|
}
|
|
flow->drv_type = flow_get_drv_type(dev, attr);
|
|
if (hairpin_id != 0)
|
|
flow->hairpin_flow_id = hairpin_id;
|
|
assert(flow->drv_type > MLX5_FLOW_TYPE_MIN &&
|
|
flow->drv_type < MLX5_FLOW_TYPE_MAX);
|
|
flow->rss.queue = (void *)(flow + 1);
|
|
if (rss) {
|
|
/*
|
|
* The following information is required by
|
|
* mlx5_flow_hashfields_adjust() in advance.
|
|
*/
|
|
flow->rss.level = rss->level;
|
|
/* RSS type 0 indicates default RSS type (ETH_RSS_IP). */
|
|
flow->rss.types = !rss->types ? ETH_RSS_IP : rss->types;
|
|
}
|
|
LIST_INIT(&flow->dev_flows);
|
|
if (rss && rss->types) {
|
|
unsigned int graph_root;
|
|
|
|
graph_root = find_graph_root(items, rss->level);
|
|
ret = rte_flow_expand_rss(buf, sizeof(expand_buffer.buffer),
|
|
items, rss->types,
|
|
mlx5_support_expansion,
|
|
graph_root);
|
|
assert(ret > 0 &&
|
|
(unsigned int)ret < sizeof(expand_buffer.buffer));
|
|
} else {
|
|
buf->entries = 1;
|
|
buf->entry[0].pattern = (void *)(uintptr_t)items;
|
|
}
|
|
for (i = 0; i < buf->entries; ++i) {
|
|
dev_flow = flow_drv_prepare(flow, attr, buf->entry[i].pattern,
|
|
p_actions_rx, error);
|
|
if (!dev_flow)
|
|
goto error;
|
|
dev_flow->flow = flow;
|
|
dev_flow->external = external;
|
|
LIST_INSERT_HEAD(&flow->dev_flows, dev_flow, next);
|
|
ret = flow_drv_translate(dev, dev_flow, attr,
|
|
buf->entry[i].pattern,
|
|
p_actions_rx, error);
|
|
if (ret < 0)
|
|
goto error;
|
|
}
|
|
/* Create the tx flow. */
|
|
if (hairpin_flow) {
|
|
attr_tx.group = MLX5_HAIRPIN_TX_TABLE;
|
|
attr_tx.ingress = 0;
|
|
attr_tx.egress = 1;
|
|
dev_flow = flow_drv_prepare(flow, &attr_tx, items_tx.items,
|
|
actions_hairpin_tx.actions, error);
|
|
if (!dev_flow)
|
|
goto error;
|
|
dev_flow->flow = flow;
|
|
dev_flow->external = 0;
|
|
LIST_INSERT_HEAD(&flow->dev_flows, dev_flow, next);
|
|
ret = flow_drv_translate(dev, dev_flow, &attr_tx,
|
|
items_tx.items,
|
|
actions_hairpin_tx.actions, error);
|
|
if (ret < 0)
|
|
goto error;
|
|
}
|
|
if (dev->data->dev_started) {
|
|
ret = flow_drv_apply(dev, flow, error);
|
|
if (ret < 0)
|
|
goto error;
|
|
}
|
|
TAILQ_INSERT_TAIL(list, flow, next);
|
|
flow_rxq_flags_set(dev, flow);
|
|
return flow;
|
|
error_before_flow:
|
|
if (hairpin_id)
|
|
mlx5_flow_id_release(priv->sh->flow_id_pool,
|
|
hairpin_id);
|
|
return NULL;
|
|
error:
|
|
ret = rte_errno; /* Save rte_errno before cleanup. */
|
|
if (flow->hairpin_flow_id)
|
|
mlx5_flow_id_release(priv->sh->flow_id_pool,
|
|
flow->hairpin_flow_id);
|
|
assert(flow);
|
|
flow_drv_destroy(dev, flow);
|
|
rte_free(flow);
|
|
rte_errno = ret; /* Restore rte_errno. */
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Create a dedicated flow rule on e-switch table 0 (root table), to direct all
|
|
* incoming packets to table 1.
|
|
*
|
|
* Other flow rules, requested for group n, will be created in
|
|
* e-switch table n+1.
|
|
* Jump action to e-switch group n will be created to group n+1.
|
|
*
|
|
* Used when working in switchdev mode, to utilise advantages of table 1
|
|
* and above.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
*
|
|
* @return
|
|
* Pointer to flow on success, NULL otherwise and rte_errno is set.
|
|
*/
|
|
struct rte_flow *
|
|
mlx5_flow_create_esw_table_zero_flow(struct rte_eth_dev *dev)
|
|
{
|
|
const struct rte_flow_attr attr = {
|
|
.group = 0,
|
|
.priority = 0,
|
|
.ingress = 1,
|
|
.egress = 0,
|
|
.transfer = 1,
|
|
};
|
|
const struct rte_flow_item pattern = {
|
|
.type = RTE_FLOW_ITEM_TYPE_END,
|
|
};
|
|
struct rte_flow_action_jump jump = {
|
|
.group = 1,
|
|
};
|
|
const struct rte_flow_action actions[] = {
|
|
{
|
|
.type = RTE_FLOW_ACTION_TYPE_JUMP,
|
|
.conf = &jump,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ACTION_TYPE_END,
|
|
},
|
|
};
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
struct rte_flow_error error;
|
|
|
|
return flow_list_create(dev, &priv->ctrl_flows, &attr, &pattern,
|
|
actions, false, &error);
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
return flow_list_create(dev, &priv->flows,
|
|
attr, items, actions, true, error);
|
|
}
|
|
|
|
/**
|
|
* Destroy a flow in a list.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param list
|
|
* Pointer to a TAILQ flow list.
|
|
* @param[in] flow
|
|
* Flow to destroy.
|
|
*/
|
|
static void
|
|
flow_list_destroy(struct rte_eth_dev *dev, struct mlx5_flows *list,
|
|
struct rte_flow *flow)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
/*
|
|
* Update RX queue flags only if port is started, otherwise it is
|
|
* already clean.
|
|
*/
|
|
if (dev->data->dev_started)
|
|
flow_rxq_flags_trim(dev, flow);
|
|
if (flow->hairpin_flow_id)
|
|
mlx5_flow_id_release(priv->sh->flow_id_pool,
|
|
flow->hairpin_flow_id);
|
|
flow_drv_destroy(dev, flow);
|
|
TAILQ_REMOVE(list, flow, next);
|
|
rte_free(flow->fdir);
|
|
rte_free(flow);
|
|
}
|
|
|
|
/**
|
|
* Destroy all flows.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param list
|
|
* Pointer to a TAILQ flow list.
|
|
*/
|
|
void
|
|
mlx5_flow_list_flush(struct rte_eth_dev *dev, struct mlx5_flows *list)
|
|
{
|
|
while (!TAILQ_EMPTY(list)) {
|
|
struct rte_flow *flow;
|
|
|
|
flow = TAILQ_FIRST(list);
|
|
flow_list_destroy(dev, list, flow);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove all flows.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param list
|
|
* Pointer to a TAILQ flow list.
|
|
*/
|
|
void
|
|
mlx5_flow_stop(struct rte_eth_dev *dev, struct mlx5_flows *list)
|
|
{
|
|
struct rte_flow *flow;
|
|
|
|
TAILQ_FOREACH_REVERSE(flow, list, mlx5_flows, next)
|
|
flow_drv_remove(dev, flow);
|
|
flow_rxq_flags_clear(dev);
|
|
}
|
|
|
|
/**
|
|
* Add all flows.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param list
|
|
* Pointer to a TAILQ flow list.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_start(struct rte_eth_dev *dev, struct mlx5_flows *list)
|
|
{
|
|
struct rte_flow *flow;
|
|
struct rte_flow_error error;
|
|
int ret = 0;
|
|
|
|
TAILQ_FOREACH(flow, list, next) {
|
|
ret = flow_drv_apply(dev, flow, &error);
|
|
if (ret < 0)
|
|
goto error;
|
|
flow_rxq_flags_set(dev, flow);
|
|
}
|
|
return 0;
|
|
error:
|
|
ret = rte_errno; /* Save rte_errno before cleanup. */
|
|
mlx5_flow_stop(dev, list);
|
|
rte_errno = ret; /* Restore rte_errno. */
|
|
return -rte_errno;
|
|
}
|
|
|
|
/**
|
|
* Verify the flow list is empty
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
*
|
|
* @return the number of flows not released.
|
|
*/
|
|
int
|
|
mlx5_flow_verify(struct rte_eth_dev *dev)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
struct rte_flow *flow;
|
|
int ret = 0;
|
|
|
|
TAILQ_FOREACH(flow, &priv->flows, next) {
|
|
DRV_LOG(DEBUG, "port %u flow %p still referenced",
|
|
dev->data->port_id, (void *)flow);
|
|
++ret;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Enable default hairpin egress flow.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param queue
|
|
* The queue index.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_ctrl_flow_source_queue(struct rte_eth_dev *dev,
|
|
uint32_t queue)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
const struct rte_flow_attr attr = {
|
|
.egress = 1,
|
|
.priority = 0,
|
|
};
|
|
struct mlx5_rte_flow_item_tx_queue queue_spec = {
|
|
.queue = queue,
|
|
};
|
|
struct mlx5_rte_flow_item_tx_queue queue_mask = {
|
|
.queue = UINT32_MAX,
|
|
};
|
|
struct rte_flow_item items[] = {
|
|
{
|
|
.type = MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE,
|
|
.spec = &queue_spec,
|
|
.last = NULL,
|
|
.mask = &queue_mask,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_END,
|
|
},
|
|
};
|
|
struct rte_flow_action_jump jump = {
|
|
.group = MLX5_HAIRPIN_TX_TABLE,
|
|
};
|
|
struct rte_flow_action actions[2];
|
|
struct rte_flow *flow;
|
|
struct rte_flow_error error;
|
|
|
|
actions[0].type = RTE_FLOW_ACTION_TYPE_JUMP;
|
|
actions[0].conf = &jump;
|
|
actions[1].type = RTE_FLOW_ACTION_TYPE_END;
|
|
flow = flow_list_create(dev, &priv->ctrl_flows,
|
|
&attr, items, actions, false, &error);
|
|
if (!flow) {
|
|
DRV_LOG(DEBUG,
|
|
"Failed to create ctrl flow: rte_errno(%d),"
|
|
" type(%d), message(%s)",
|
|
rte_errno, error.type,
|
|
error.message ? error.message : " (no stated reason)");
|
|
return -rte_errno;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Enable a control flow configured from the control plane.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param eth_spec
|
|
* An Ethernet flow spec to apply.
|
|
* @param eth_mask
|
|
* An Ethernet flow mask to apply.
|
|
* @param vlan_spec
|
|
* A VLAN flow spec to apply.
|
|
* @param vlan_mask
|
|
* A VLAN flow mask to apply.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_ctrl_flow_vlan(struct rte_eth_dev *dev,
|
|
struct rte_flow_item_eth *eth_spec,
|
|
struct rte_flow_item_eth *eth_mask,
|
|
struct rte_flow_item_vlan *vlan_spec,
|
|
struct rte_flow_item_vlan *vlan_mask)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
const struct rte_flow_attr attr = {
|
|
.ingress = 1,
|
|
.priority = MLX5_FLOW_PRIO_RSVD,
|
|
};
|
|
struct rte_flow_item items[] = {
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_ETH,
|
|
.spec = eth_spec,
|
|
.last = NULL,
|
|
.mask = eth_mask,
|
|
},
|
|
{
|
|
.type = (vlan_spec) ? RTE_FLOW_ITEM_TYPE_VLAN :
|
|
RTE_FLOW_ITEM_TYPE_END,
|
|
.spec = vlan_spec,
|
|
.last = NULL,
|
|
.mask = vlan_mask,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ITEM_TYPE_END,
|
|
},
|
|
};
|
|
uint16_t queue[priv->reta_idx_n];
|
|
struct rte_flow_action_rss action_rss = {
|
|
.func = RTE_ETH_HASH_FUNCTION_DEFAULT,
|
|
.level = 0,
|
|
.types = priv->rss_conf.rss_hf,
|
|
.key_len = priv->rss_conf.rss_key_len,
|
|
.queue_num = priv->reta_idx_n,
|
|
.key = priv->rss_conf.rss_key,
|
|
.queue = queue,
|
|
};
|
|
struct rte_flow_action actions[] = {
|
|
{
|
|
.type = RTE_FLOW_ACTION_TYPE_RSS,
|
|
.conf = &action_rss,
|
|
},
|
|
{
|
|
.type = RTE_FLOW_ACTION_TYPE_END,
|
|
},
|
|
};
|
|
struct rte_flow *flow;
|
|
struct rte_flow_error error;
|
|
unsigned int i;
|
|
|
|
if (!priv->reta_idx_n || !priv->rxqs_n) {
|
|
return 0;
|
|
}
|
|
for (i = 0; i != priv->reta_idx_n; ++i)
|
|
queue[i] = (*priv->reta_idx)[i];
|
|
flow = flow_list_create(dev, &priv->ctrl_flows,
|
|
&attr, items, actions, false, &error);
|
|
if (!flow)
|
|
return -rte_errno;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Enable a flow control configured from the control plane.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param eth_spec
|
|
* An Ethernet flow spec to apply.
|
|
* @param eth_mask
|
|
* An Ethernet flow mask to apply.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_ctrl_flow(struct rte_eth_dev *dev,
|
|
struct rte_flow_item_eth *eth_spec,
|
|
struct rte_flow_item_eth *eth_mask)
|
|
{
|
|
return mlx5_ctrl_flow_vlan(dev, eth_spec, eth_mask, NULL, 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 __rte_unused)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
flow_list_destroy(dev, &priv->flows, flow);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* 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 __rte_unused)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
mlx5_flow_list_flush(dev, &priv->flows);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Isolated mode.
|
|
*
|
|
* @see rte_flow_isolate()
|
|
* @see rte_flow_ops
|
|
*/
|
|
int
|
|
mlx5_flow_isolate(struct rte_eth_dev *dev,
|
|
int enable,
|
|
struct rte_flow_error *error)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
if (dev->data->dev_started) {
|
|
rte_flow_error_set(error, EBUSY,
|
|
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
|
|
NULL,
|
|
"port must be stopped first");
|
|
return -rte_errno;
|
|
}
|
|
priv->isolated = !!enable;
|
|
if (enable)
|
|
dev->dev_ops = &mlx5_dev_ops_isolate;
|
|
else
|
|
dev->dev_ops = &mlx5_dev_ops;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Query a flow.
|
|
*
|
|
* @see rte_flow_query()
|
|
* @see rte_flow_ops
|
|
*/
|
|
static int
|
|
flow_drv_query(struct rte_eth_dev *dev,
|
|
struct rte_flow *flow,
|
|
const struct rte_flow_action *actions,
|
|
void *data,
|
|
struct rte_flow_error *error)
|
|
{
|
|
const struct mlx5_flow_driver_ops *fops;
|
|
enum mlx5_flow_drv_type ftype = flow->drv_type;
|
|
|
|
assert(ftype > MLX5_FLOW_TYPE_MIN && ftype < MLX5_FLOW_TYPE_MAX);
|
|
fops = flow_get_drv_ops(ftype);
|
|
|
|
return fops->query(dev, flow, actions, data, error);
|
|
}
|
|
|
|
/**
|
|
* Query a flow.
|
|
*
|
|
* @see rte_flow_query()
|
|
* @see rte_flow_ops
|
|
*/
|
|
int
|
|
mlx5_flow_query(struct rte_eth_dev *dev,
|
|
struct rte_flow *flow,
|
|
const struct rte_flow_action *actions,
|
|
void *data,
|
|
struct rte_flow_error *error)
|
|
{
|
|
int ret;
|
|
|
|
ret = flow_drv_query(dev, flow, actions, data, error);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Convert a flow director filter to a generic flow.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param fdir_filter
|
|
* Flow director filter to add.
|
|
* @param attributes
|
|
* Generic flow parameters structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
static int
|
|
flow_fdir_filter_convert(struct rte_eth_dev *dev,
|
|
const struct rte_eth_fdir_filter *fdir_filter,
|
|
struct mlx5_fdir *attributes)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
const struct rte_eth_fdir_input *input = &fdir_filter->input;
|
|
const struct rte_eth_fdir_masks *mask =
|
|
&dev->data->dev_conf.fdir_conf.mask;
|
|
|
|
/* Validate queue number. */
|
|
if (fdir_filter->action.rx_queue >= priv->rxqs_n) {
|
|
DRV_LOG(ERR, "port %u invalid queue number %d",
|
|
dev->data->port_id, fdir_filter->action.rx_queue);
|
|
rte_errno = EINVAL;
|
|
return -rte_errno;
|
|
}
|
|
attributes->attr.ingress = 1;
|
|
attributes->items[0] = (struct rte_flow_item) {
|
|
.type = RTE_FLOW_ITEM_TYPE_ETH,
|
|
.spec = &attributes->l2,
|
|
.mask = &attributes->l2_mask,
|
|
};
|
|
switch (fdir_filter->action.behavior) {
|
|
case RTE_ETH_FDIR_ACCEPT:
|
|
attributes->actions[0] = (struct rte_flow_action){
|
|
.type = RTE_FLOW_ACTION_TYPE_QUEUE,
|
|
.conf = &attributes->queue,
|
|
};
|
|
break;
|
|
case RTE_ETH_FDIR_REJECT:
|
|
attributes->actions[0] = (struct rte_flow_action){
|
|
.type = RTE_FLOW_ACTION_TYPE_DROP,
|
|
};
|
|
break;
|
|
default:
|
|
DRV_LOG(ERR, "port %u invalid behavior %d",
|
|
dev->data->port_id,
|
|
fdir_filter->action.behavior);
|
|
rte_errno = ENOTSUP;
|
|
return -rte_errno;
|
|
}
|
|
attributes->queue.index = fdir_filter->action.rx_queue;
|
|
/* Handle L3. */
|
|
switch (fdir_filter->input.flow_type) {
|
|
case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
|
|
case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
|
|
case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
|
|
attributes->l3.ipv4.hdr = (struct rte_ipv4_hdr){
|
|
.src_addr = input->flow.ip4_flow.src_ip,
|
|
.dst_addr = input->flow.ip4_flow.dst_ip,
|
|
.time_to_live = input->flow.ip4_flow.ttl,
|
|
.type_of_service = input->flow.ip4_flow.tos,
|
|
};
|
|
attributes->l3_mask.ipv4.hdr = (struct rte_ipv4_hdr){
|
|
.src_addr = mask->ipv4_mask.src_ip,
|
|
.dst_addr = mask->ipv4_mask.dst_ip,
|
|
.time_to_live = mask->ipv4_mask.ttl,
|
|
.type_of_service = mask->ipv4_mask.tos,
|
|
.next_proto_id = mask->ipv4_mask.proto,
|
|
};
|
|
attributes->items[1] = (struct rte_flow_item){
|
|
.type = RTE_FLOW_ITEM_TYPE_IPV4,
|
|
.spec = &attributes->l3,
|
|
.mask = &attributes->l3_mask,
|
|
};
|
|
break;
|
|
case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
|
|
case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
|
|
case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
|
|
attributes->l3.ipv6.hdr = (struct rte_ipv6_hdr){
|
|
.hop_limits = input->flow.ipv6_flow.hop_limits,
|
|
.proto = input->flow.ipv6_flow.proto,
|
|
};
|
|
|
|
memcpy(attributes->l3.ipv6.hdr.src_addr,
|
|
input->flow.ipv6_flow.src_ip,
|
|
RTE_DIM(attributes->l3.ipv6.hdr.src_addr));
|
|
memcpy(attributes->l3.ipv6.hdr.dst_addr,
|
|
input->flow.ipv6_flow.dst_ip,
|
|
RTE_DIM(attributes->l3.ipv6.hdr.src_addr));
|
|
memcpy(attributes->l3_mask.ipv6.hdr.src_addr,
|
|
mask->ipv6_mask.src_ip,
|
|
RTE_DIM(attributes->l3_mask.ipv6.hdr.src_addr));
|
|
memcpy(attributes->l3_mask.ipv6.hdr.dst_addr,
|
|
mask->ipv6_mask.dst_ip,
|
|
RTE_DIM(attributes->l3_mask.ipv6.hdr.src_addr));
|
|
attributes->items[1] = (struct rte_flow_item){
|
|
.type = RTE_FLOW_ITEM_TYPE_IPV6,
|
|
.spec = &attributes->l3,
|
|
.mask = &attributes->l3_mask,
|
|
};
|
|
break;
|
|
default:
|
|
DRV_LOG(ERR, "port %u invalid flow type%d",
|
|
dev->data->port_id, fdir_filter->input.flow_type);
|
|
rte_errno = ENOTSUP;
|
|
return -rte_errno;
|
|
}
|
|
/* Handle L4. */
|
|
switch (fdir_filter->input.flow_type) {
|
|
case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
|
|
attributes->l4.udp.hdr = (struct rte_udp_hdr){
|
|
.src_port = input->flow.udp4_flow.src_port,
|
|
.dst_port = input->flow.udp4_flow.dst_port,
|
|
};
|
|
attributes->l4_mask.udp.hdr = (struct rte_udp_hdr){
|
|
.src_port = mask->src_port_mask,
|
|
.dst_port = mask->dst_port_mask,
|
|
};
|
|
attributes->items[2] = (struct rte_flow_item){
|
|
.type = RTE_FLOW_ITEM_TYPE_UDP,
|
|
.spec = &attributes->l4,
|
|
.mask = &attributes->l4_mask,
|
|
};
|
|
break;
|
|
case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
|
|
attributes->l4.tcp.hdr = (struct rte_tcp_hdr){
|
|
.src_port = input->flow.tcp4_flow.src_port,
|
|
.dst_port = input->flow.tcp4_flow.dst_port,
|
|
};
|
|
attributes->l4_mask.tcp.hdr = (struct rte_tcp_hdr){
|
|
.src_port = mask->src_port_mask,
|
|
.dst_port = mask->dst_port_mask,
|
|
};
|
|
attributes->items[2] = (struct rte_flow_item){
|
|
.type = RTE_FLOW_ITEM_TYPE_TCP,
|
|
.spec = &attributes->l4,
|
|
.mask = &attributes->l4_mask,
|
|
};
|
|
break;
|
|
case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
|
|
attributes->l4.udp.hdr = (struct rte_udp_hdr){
|
|
.src_port = input->flow.udp6_flow.src_port,
|
|
.dst_port = input->flow.udp6_flow.dst_port,
|
|
};
|
|
attributes->l4_mask.udp.hdr = (struct rte_udp_hdr){
|
|
.src_port = mask->src_port_mask,
|
|
.dst_port = mask->dst_port_mask,
|
|
};
|
|
attributes->items[2] = (struct rte_flow_item){
|
|
.type = RTE_FLOW_ITEM_TYPE_UDP,
|
|
.spec = &attributes->l4,
|
|
.mask = &attributes->l4_mask,
|
|
};
|
|
break;
|
|
case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
|
|
attributes->l4.tcp.hdr = (struct rte_tcp_hdr){
|
|
.src_port = input->flow.tcp6_flow.src_port,
|
|
.dst_port = input->flow.tcp6_flow.dst_port,
|
|
};
|
|
attributes->l4_mask.tcp.hdr = (struct rte_tcp_hdr){
|
|
.src_port = mask->src_port_mask,
|
|
.dst_port = mask->dst_port_mask,
|
|
};
|
|
attributes->items[2] = (struct rte_flow_item){
|
|
.type = RTE_FLOW_ITEM_TYPE_TCP,
|
|
.spec = &attributes->l4,
|
|
.mask = &attributes->l4_mask,
|
|
};
|
|
break;
|
|
case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
|
|
case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
|
|
break;
|
|
default:
|
|
DRV_LOG(ERR, "port %u invalid flow type%d",
|
|
dev->data->port_id, fdir_filter->input.flow_type);
|
|
rte_errno = ENOTSUP;
|
|
return -rte_errno;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define FLOW_FDIR_CMP(f1, f2, fld) \
|
|
memcmp(&(f1)->fld, &(f2)->fld, sizeof(f1->fld))
|
|
|
|
/**
|
|
* Compare two FDIR flows. If items and actions are identical, the two flows are
|
|
* regarded as same.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param f1
|
|
* FDIR flow to compare.
|
|
* @param f2
|
|
* FDIR flow to compare.
|
|
*
|
|
* @return
|
|
* Zero on match, 1 otherwise.
|
|
*/
|
|
static int
|
|
flow_fdir_cmp(const struct mlx5_fdir *f1, const struct mlx5_fdir *f2)
|
|
{
|
|
if (FLOW_FDIR_CMP(f1, f2, attr) ||
|
|
FLOW_FDIR_CMP(f1, f2, l2) ||
|
|
FLOW_FDIR_CMP(f1, f2, l2_mask) ||
|
|
FLOW_FDIR_CMP(f1, f2, l3) ||
|
|
FLOW_FDIR_CMP(f1, f2, l3_mask) ||
|
|
FLOW_FDIR_CMP(f1, f2, l4) ||
|
|
FLOW_FDIR_CMP(f1, f2, l4_mask) ||
|
|
FLOW_FDIR_CMP(f1, f2, actions[0].type))
|
|
return 1;
|
|
if (f1->actions[0].type == RTE_FLOW_ACTION_TYPE_QUEUE &&
|
|
FLOW_FDIR_CMP(f1, f2, queue))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Search device flow list to find out a matched FDIR flow.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param fdir_flow
|
|
* FDIR flow to lookup.
|
|
*
|
|
* @return
|
|
* Pointer of flow if found, NULL otherwise.
|
|
*/
|
|
static struct rte_flow *
|
|
flow_fdir_filter_lookup(struct rte_eth_dev *dev, struct mlx5_fdir *fdir_flow)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
struct rte_flow *flow = NULL;
|
|
|
|
assert(fdir_flow);
|
|
TAILQ_FOREACH(flow, &priv->flows, next) {
|
|
if (flow->fdir && !flow_fdir_cmp(flow->fdir, fdir_flow)) {
|
|
DRV_LOG(DEBUG, "port %u found FDIR flow %p",
|
|
dev->data->port_id, (void *)flow);
|
|
break;
|
|
}
|
|
}
|
|
return flow;
|
|
}
|
|
|
|
/**
|
|
* Add new flow director filter and store it in list.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param fdir_filter
|
|
* Flow director filter to add.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
static int
|
|
flow_fdir_filter_add(struct rte_eth_dev *dev,
|
|
const struct rte_eth_fdir_filter *fdir_filter)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
struct mlx5_fdir *fdir_flow;
|
|
struct rte_flow *flow;
|
|
int ret;
|
|
|
|
fdir_flow = rte_zmalloc(__func__, sizeof(*fdir_flow), 0);
|
|
if (!fdir_flow) {
|
|
rte_errno = ENOMEM;
|
|
return -rte_errno;
|
|
}
|
|
ret = flow_fdir_filter_convert(dev, fdir_filter, fdir_flow);
|
|
if (ret)
|
|
goto error;
|
|
flow = flow_fdir_filter_lookup(dev, fdir_flow);
|
|
if (flow) {
|
|
rte_errno = EEXIST;
|
|
goto error;
|
|
}
|
|
flow = flow_list_create(dev, &priv->flows, &fdir_flow->attr,
|
|
fdir_flow->items, fdir_flow->actions, true,
|
|
NULL);
|
|
if (!flow)
|
|
goto error;
|
|
assert(!flow->fdir);
|
|
flow->fdir = fdir_flow;
|
|
DRV_LOG(DEBUG, "port %u created FDIR flow %p",
|
|
dev->data->port_id, (void *)flow);
|
|
return 0;
|
|
error:
|
|
rte_free(fdir_flow);
|
|
return -rte_errno;
|
|
}
|
|
|
|
/**
|
|
* Delete specific filter.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param fdir_filter
|
|
* Filter to be deleted.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
static int
|
|
flow_fdir_filter_delete(struct rte_eth_dev *dev,
|
|
const struct rte_eth_fdir_filter *fdir_filter)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
struct rte_flow *flow;
|
|
struct mlx5_fdir fdir_flow = {
|
|
.attr.group = 0,
|
|
};
|
|
int ret;
|
|
|
|
ret = flow_fdir_filter_convert(dev, fdir_filter, &fdir_flow);
|
|
if (ret)
|
|
return -rte_errno;
|
|
flow = flow_fdir_filter_lookup(dev, &fdir_flow);
|
|
if (!flow) {
|
|
rte_errno = ENOENT;
|
|
return -rte_errno;
|
|
}
|
|
flow_list_destroy(dev, &priv->flows, flow);
|
|
DRV_LOG(DEBUG, "port %u deleted FDIR flow %p",
|
|
dev->data->port_id, (void *)flow);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Update queue for specific filter.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param fdir_filter
|
|
* Filter to be updated.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
static int
|
|
flow_fdir_filter_update(struct rte_eth_dev *dev,
|
|
const struct rte_eth_fdir_filter *fdir_filter)
|
|
{
|
|
int ret;
|
|
|
|
ret = flow_fdir_filter_delete(dev, fdir_filter);
|
|
if (ret)
|
|
return ret;
|
|
return flow_fdir_filter_add(dev, fdir_filter);
|
|
}
|
|
|
|
/**
|
|
* Flush all filters.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
*/
|
|
static void
|
|
flow_fdir_filter_flush(struct rte_eth_dev *dev)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
mlx5_flow_list_flush(dev, &priv->flows);
|
|
}
|
|
|
|
/**
|
|
* Get flow director information.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param[out] fdir_info
|
|
* Resulting flow director information.
|
|
*/
|
|
static void
|
|
flow_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir_info)
|
|
{
|
|
struct rte_eth_fdir_masks *mask =
|
|
&dev->data->dev_conf.fdir_conf.mask;
|
|
|
|
fdir_info->mode = dev->data->dev_conf.fdir_conf.mode;
|
|
fdir_info->guarant_spc = 0;
|
|
rte_memcpy(&fdir_info->mask, mask, sizeof(fdir_info->mask));
|
|
fdir_info->max_flexpayload = 0;
|
|
fdir_info->flow_types_mask[0] = 0;
|
|
fdir_info->flex_payload_unit = 0;
|
|
fdir_info->max_flex_payload_segment_num = 0;
|
|
fdir_info->flex_payload_limit = 0;
|
|
memset(&fdir_info->flex_conf, 0, sizeof(fdir_info->flex_conf));
|
|
}
|
|
|
|
/**
|
|
* Deal with flow director operations.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param filter_op
|
|
* Operation to perform.
|
|
* @param arg
|
|
* Pointer to operation-specific structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
static int
|
|
flow_fdir_ctrl_func(struct rte_eth_dev *dev, enum rte_filter_op filter_op,
|
|
void *arg)
|
|
{
|
|
enum rte_fdir_mode fdir_mode =
|
|
dev->data->dev_conf.fdir_conf.mode;
|
|
|
|
if (filter_op == RTE_ETH_FILTER_NOP)
|
|
return 0;
|
|
if (fdir_mode != RTE_FDIR_MODE_PERFECT &&
|
|
fdir_mode != RTE_FDIR_MODE_PERFECT_MAC_VLAN) {
|
|
DRV_LOG(ERR, "port %u flow director mode %d not supported",
|
|
dev->data->port_id, fdir_mode);
|
|
rte_errno = EINVAL;
|
|
return -rte_errno;
|
|
}
|
|
switch (filter_op) {
|
|
case RTE_ETH_FILTER_ADD:
|
|
return flow_fdir_filter_add(dev, arg);
|
|
case RTE_ETH_FILTER_UPDATE:
|
|
return flow_fdir_filter_update(dev, arg);
|
|
case RTE_ETH_FILTER_DELETE:
|
|
return flow_fdir_filter_delete(dev, arg);
|
|
case RTE_ETH_FILTER_FLUSH:
|
|
flow_fdir_filter_flush(dev);
|
|
break;
|
|
case RTE_ETH_FILTER_INFO:
|
|
flow_fdir_info_get(dev, arg);
|
|
break;
|
|
default:
|
|
DRV_LOG(DEBUG, "port %u unknown operation %u",
|
|
dev->data->port_id, filter_op);
|
|
rte_errno = EINVAL;
|
|
return -rte_errno;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Manage filter operations.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
* @param filter_type
|
|
* Filter type.
|
|
* @param filter_op
|
|
* Operation to perform.
|
|
* @param arg
|
|
* Pointer to operation-specific structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_dev_filter_ctrl(struct rte_eth_dev *dev,
|
|
enum rte_filter_type filter_type,
|
|
enum rte_filter_op filter_op,
|
|
void *arg)
|
|
{
|
|
switch (filter_type) {
|
|
case RTE_ETH_FILTER_GENERIC:
|
|
if (filter_op != RTE_ETH_FILTER_GET) {
|
|
rte_errno = EINVAL;
|
|
return -rte_errno;
|
|
}
|
|
*(const void **)arg = &mlx5_flow_ops;
|
|
return 0;
|
|
case RTE_ETH_FILTER_FDIR:
|
|
return flow_fdir_ctrl_func(dev, filter_op, arg);
|
|
default:
|
|
DRV_LOG(ERR, "port %u filter type (%d) not supported",
|
|
dev->data->port_id, filter_type);
|
|
rte_errno = ENOTSUP;
|
|
return -rte_errno;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define MLX5_POOL_QUERY_FREQ_US 1000000
|
|
|
|
/**
|
|
* Set the periodic procedure for triggering asynchronous batch queries for all
|
|
* the counter pools.
|
|
*
|
|
* @param[in] sh
|
|
* Pointer to mlx5_ibv_shared object.
|
|
*/
|
|
void
|
|
mlx5_set_query_alarm(struct mlx5_ibv_shared *sh)
|
|
{
|
|
struct mlx5_pools_container *cont = MLX5_CNT_CONTAINER(sh, 0, 0);
|
|
uint32_t pools_n = rte_atomic16_read(&cont->n_valid);
|
|
uint32_t us;
|
|
|
|
cont = MLX5_CNT_CONTAINER(sh, 1, 0);
|
|
pools_n += rte_atomic16_read(&cont->n_valid);
|
|
us = MLX5_POOL_QUERY_FREQ_US / pools_n;
|
|
DRV_LOG(DEBUG, "Set alarm for %u pools each %u us", pools_n, us);
|
|
if (rte_eal_alarm_set(us, mlx5_flow_query_alarm, sh)) {
|
|
sh->cmng.query_thread_on = 0;
|
|
DRV_LOG(ERR, "Cannot reinitialize query alarm");
|
|
} else {
|
|
sh->cmng.query_thread_on = 1;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The periodic procedure for triggering asynchronous batch queries for all the
|
|
* counter pools. This function is probably called by the host thread.
|
|
*
|
|
* @param[in] arg
|
|
* The parameter for the alarm process.
|
|
*/
|
|
void
|
|
mlx5_flow_query_alarm(void *arg)
|
|
{
|
|
struct mlx5_ibv_shared *sh = arg;
|
|
struct mlx5_devx_obj *dcs;
|
|
uint16_t offset;
|
|
int ret;
|
|
uint8_t batch = sh->cmng.batch;
|
|
uint16_t pool_index = sh->cmng.pool_index;
|
|
struct mlx5_pools_container *cont;
|
|
struct mlx5_pools_container *mcont;
|
|
struct mlx5_flow_counter_pool *pool;
|
|
|
|
if (sh->cmng.pending_queries >= MLX5_MAX_PENDING_QUERIES)
|
|
goto set_alarm;
|
|
next_container:
|
|
cont = MLX5_CNT_CONTAINER(sh, batch, 1);
|
|
mcont = MLX5_CNT_CONTAINER(sh, batch, 0);
|
|
/* Check if resize was done and need to flip a container. */
|
|
if (cont != mcont) {
|
|
if (cont->pools) {
|
|
/* Clean the old container. */
|
|
rte_free(cont->pools);
|
|
memset(cont, 0, sizeof(*cont));
|
|
}
|
|
rte_cio_wmb();
|
|
/* Flip the host container. */
|
|
sh->cmng.mhi[batch] ^= (uint8_t)2;
|
|
cont = mcont;
|
|
}
|
|
if (!cont->pools) {
|
|
/* 2 empty containers case is unexpected. */
|
|
if (unlikely(batch != sh->cmng.batch))
|
|
goto set_alarm;
|
|
batch ^= 0x1;
|
|
pool_index = 0;
|
|
goto next_container;
|
|
}
|
|
pool = cont->pools[pool_index];
|
|
if (pool->raw_hw)
|
|
/* There is a pool query in progress. */
|
|
goto set_alarm;
|
|
pool->raw_hw =
|
|
LIST_FIRST(&sh->cmng.free_stat_raws);
|
|
if (!pool->raw_hw)
|
|
/* No free counter statistics raw memory. */
|
|
goto set_alarm;
|
|
dcs = (struct mlx5_devx_obj *)(uintptr_t)rte_atomic64_read
|
|
(&pool->a64_dcs);
|
|
offset = batch ? 0 : dcs->id % MLX5_COUNTERS_PER_POOL;
|
|
ret = mlx5_devx_cmd_flow_counter_query(dcs, 0, MLX5_COUNTERS_PER_POOL -
|
|
offset, NULL, NULL,
|
|
pool->raw_hw->mem_mng->dm->id,
|
|
(void *)(uintptr_t)
|
|
(pool->raw_hw->data + offset),
|
|
sh->devx_comp,
|
|
(uint64_t)(uintptr_t)pool);
|
|
if (ret) {
|
|
DRV_LOG(ERR, "Failed to trigger asynchronous query for dcs ID"
|
|
" %d", pool->min_dcs->id);
|
|
pool->raw_hw = NULL;
|
|
goto set_alarm;
|
|
}
|
|
pool->raw_hw->min_dcs_id = dcs->id;
|
|
LIST_REMOVE(pool->raw_hw, next);
|
|
sh->cmng.pending_queries++;
|
|
pool_index++;
|
|
if (pool_index >= rte_atomic16_read(&cont->n_valid)) {
|
|
batch ^= 0x1;
|
|
pool_index = 0;
|
|
}
|
|
set_alarm:
|
|
sh->cmng.batch = batch;
|
|
sh->cmng.pool_index = pool_index;
|
|
mlx5_set_query_alarm(sh);
|
|
}
|
|
|
|
/**
|
|
* Handler for the HW respond about ready values from an asynchronous batch
|
|
* query. This function is probably called by the host thread.
|
|
*
|
|
* @param[in] sh
|
|
* The pointer to the shared IB device context.
|
|
* @param[in] async_id
|
|
* The Devx async ID.
|
|
* @param[in] status
|
|
* The status of the completion.
|
|
*/
|
|
void
|
|
mlx5_flow_async_pool_query_handle(struct mlx5_ibv_shared *sh,
|
|
uint64_t async_id, int status)
|
|
{
|
|
struct mlx5_flow_counter_pool *pool =
|
|
(struct mlx5_flow_counter_pool *)(uintptr_t)async_id;
|
|
struct mlx5_counter_stats_raw *raw_to_free;
|
|
|
|
if (unlikely(status)) {
|
|
raw_to_free = pool->raw_hw;
|
|
} else {
|
|
raw_to_free = pool->raw;
|
|
rte_spinlock_lock(&pool->sl);
|
|
pool->raw = pool->raw_hw;
|
|
rte_spinlock_unlock(&pool->sl);
|
|
rte_atomic64_add(&pool->query_gen, 1);
|
|
/* Be sure the new raw counters data is updated in memory. */
|
|
rte_cio_wmb();
|
|
}
|
|
LIST_INSERT_HEAD(&sh->cmng.free_stat_raws, raw_to_free, next);
|
|
pool->raw_hw = NULL;
|
|
sh->cmng.pending_queries--;
|
|
}
|
|
|
|
/**
|
|
* Translate the rte_flow group index to HW table value.
|
|
*
|
|
* @param[in] attributes
|
|
* Pointer to flow attributes
|
|
* @param[in] external
|
|
* Value is part of flow rule created by request external to PMD.
|
|
* @param[in] group
|
|
* rte_flow group index value.
|
|
* @param[out] table
|
|
* HW table value.
|
|
* @param[out] error
|
|
* Pointer to error structure.
|
|
*
|
|
* @return
|
|
* 0 on success, a negative errno value otherwise and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_flow_group_to_table(const struct rte_flow_attr *attributes, bool external,
|
|
uint32_t group, uint32_t *table,
|
|
struct rte_flow_error *error)
|
|
{
|
|
if (attributes->transfer && external) {
|
|
if (group == UINT32_MAX)
|
|
return rte_flow_error_set
|
|
(error, EINVAL,
|
|
RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
|
|
NULL,
|
|
"group index not supported");
|
|
*table = group + 1;
|
|
} else {
|
|
*table = group;
|
|
}
|
|
return 0;
|
|
}
|