linux/drivers/net/ethernet/mellanox/mlx5/core/lib/ipsec_fs_roce.c

// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */

#include "fs_core.h"
#include "fs_cmd.h"
#include "en.h"
#include "lib/ipsec_fs_roce.h"
#include "mlx5_core.h"
#include <linux/random.h>

struct mlx5_ipsec_miss { … };

struct mlx5_ipsec_rx_roce { … };

struct mlx5_ipsec_tx_roce { … };

struct mlx5_ipsec_fs { … };

static void ipsec_fs_roce_setup_udp_dport(struct mlx5_flow_spec *spec,
					  u16 dport)
{ … }

static bool ipsec_fs_create_alias_supported_one(struct mlx5_core_dev *mdev)
{ … }

static bool ipsec_fs_create_alias_supported(struct mlx5_core_dev *mdev,
					    struct mlx5_core_dev *master_mdev)
{ … }

static int ipsec_fs_create_aliased_ft(struct mlx5_core_dev *ibv_owner,
				      struct mlx5_core_dev *ibv_allowed,
				      struct mlx5_flow_table *ft,
				      u32 *obj_id, char *alias_key, bool from_event)
{ … }

static int
ipsec_fs_roce_rx_rule_setup(struct mlx5_core_dev *mdev,
			    struct mlx5_flow_destination *default_dst,
			    struct mlx5_ipsec_rx_roce *roce)
{ … }

static int ipsec_fs_roce_tx_rule_setup(struct mlx5_core_dev *mdev,
				       struct mlx5_ipsec_tx_roce *roce,
				       struct mlx5_flow_table *pol_ft)
{ … }

static int ipsec_fs_roce_tx_mpv_rule_setup(struct mlx5_core_dev *mdev,
					   struct mlx5_ipsec_tx_roce *roce,
					   struct mlx5_flow_table *pol_ft)
{ … }

#define MLX5_TX_ROCE_GROUP_SIZE …
#define MLX5_IPSEC_RDMA_TX_FT_LEVEL …
#define MLX5_IPSEC_NIC_GOTO_ALIAS_FT_LEVEL …

static int ipsec_fs_roce_tx_mpv_create_ft(struct mlx5_core_dev *mdev,
					  struct mlx5_ipsec_tx_roce *roce,
					  struct mlx5_flow_table *pol_ft,
					  struct mlx5e_priv *peer_priv,
					  bool from_event)
{ … }

static int ipsec_fs_roce_tx_mpv_create_group_rules(struct mlx5_core_dev *mdev,
						   struct mlx5_ipsec_tx_roce *roce,
						   struct mlx5_flow_table *pol_ft,
						   u32 *in)
{ … }

static int ipsec_fs_roce_tx_mpv_create(struct mlx5_core_dev *mdev,
				       struct mlx5_ipsec_fs *ipsec_roce,
				       struct mlx5_flow_table *pol_ft,
				       u32 *in, bool from_event)
{ … }

static void roce_rx_mpv_destroy_tables(struct mlx5_core_dev *mdev, struct mlx5_ipsec_rx_roce *roce)
{ … }

#define MLX5_RX_ROCE_GROUP_SIZE …
#define MLX5_IPSEC_RX_IPV4_FT_LEVEL …
#define MLX5_IPSEC_RX_IPV6_FT_LEVEL …

static int ipsec_fs_roce_rx_mpv_create(struct mlx5_core_dev *mdev,
				       struct mlx5_ipsec_fs *ipsec_roce,
				       struct mlx5_flow_namespace *ns,
				       u32 family, u32 level, u32 prio)
{ … }

void mlx5_ipsec_fs_roce_tx_destroy(struct mlx5_ipsec_fs *ipsec_roce,
				   struct mlx5_core_dev *mdev)
{ … }

int mlx5_ipsec_fs_roce_tx_create(struct mlx5_core_dev *mdev,
				 struct mlx5_ipsec_fs *ipsec_roce,
				 struct mlx5_flow_table *pol_ft,
				 bool from_event)
{ … }

struct mlx5_flow_table *mlx5_ipsec_fs_roce_ft_get(struct mlx5_ipsec_fs *ipsec_roce, u32 family)
{ … }

void mlx5_ipsec_fs_roce_rx_destroy(struct mlx5_ipsec_fs *ipsec_roce, u32 family,
				   struct mlx5_core_dev *mdev)
{ … }

int mlx5_ipsec_fs_roce_rx_create(struct mlx5_core_dev *mdev,
				 struct mlx5_ipsec_fs *ipsec_roce,
				 struct mlx5_flow_namespace *ns,
				 struct mlx5_flow_destination *default_dst,
				 u32 family, u32 level, u32 prio)
{ … }

bool mlx5_ipsec_fs_is_mpv_roce_supported(struct mlx5_core_dev *mdev)
{ … }

void mlx5_ipsec_fs_roce_cleanup(struct mlx5_ipsec_fs *ipsec_roce)
{ … }

struct mlx5_ipsec_fs *mlx5_ipsec_fs_roce_init(struct mlx5_core_dev *mdev,
					      struct mlx5_devcom_comp_dev **devcom)
{ … }