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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2018 Mellanox Technologies. */
#ifndef __MLX5E_FLOW_STEER_H__
#define __MLX5E_FLOW_STEER_H__
#include "mod_hdr.h"
#include "lib/fs_ttc.h"
struct mlx5e_post_act;
struct mlx5e_tc_table;
enum {
MLX5E_TC_FT_LEVEL = 0,
MLX5E_TC_TTC_FT_LEVEL,
MLX5E_TC_MISS_LEVEL,
};
enum {
MLX5E_TC_PRIO = 0,
MLX5E_NIC_PRIO
};
struct mlx5e_flow_table {
int num_groups;
struct mlx5_flow_table *t;
struct mlx5_flow_group **g;
};
struct mlx5e_l2_rule {
u8 addr[ETH_ALEN + 2];
struct mlx5_flow_handle *rule;
};
#define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE)
struct mlx5e_promisc_table {
struct mlx5e_flow_table ft;
struct mlx5_flow_handle *rule;
};
/* Forward declaration and APIs to get private fields of vlan_table */
struct mlx5e_vlan_table;
unsigned long *mlx5e_vlan_get_active_svlans(struct mlx5e_vlan_table *vlan);
struct mlx5_flow_table *mlx5e_vlan_get_flowtable(struct mlx5e_vlan_table *vlan);
struct mlx5e_l2_table {
struct mlx5e_flow_table ft;
struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE];
struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE];
struct mlx5e_l2_rule broadcast;
struct mlx5e_l2_rule allmulti;
struct mlx5_flow_handle *trap_rule;
bool broadcast_enabled;
bool allmulti_enabled;
bool promisc_enabled;
};
#define MLX5E_NUM_INDIR_TIRS (MLX5_NUM_TT - 1)
#define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\
MLX5_HASH_FIELD_SEL_DST_IP)
#define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\
MLX5_HASH_FIELD_SEL_DST_IP |\
MLX5_HASH_FIELD_SEL_L4_SPORT |\
MLX5_HASH_FIELD_SEL_L4_DPORT)
#define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\
MLX5_HASH_FIELD_SEL_DST_IP |\
MLX5_HASH_FIELD_SEL_IPSEC_SPI)
/* NIC prio FTS */
enum {
MLX5E_PROMISC_FT_LEVEL,
MLX5E_VLAN_FT_LEVEL,
MLX5E_L2_FT_LEVEL,
MLX5E_TTC_FT_LEVEL,
MLX5E_INNER_TTC_FT_LEVEL,
MLX5E_FS_TT_UDP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
MLX5E_FS_TT_ANY_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
#ifdef CONFIG_MLX5_EN_TLS
MLX5E_ACCEL_FS_TCP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
#endif
#ifdef CONFIG_MLX5_EN_ARFS
MLX5E_ARFS_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
#endif
#ifdef CONFIG_MLX5_EN_IPSEC
MLX5E_ACCEL_FS_POL_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
MLX5E_ACCEL_FS_ESP_FT_LEVEL,
MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL,
MLX5E_ACCEL_FS_ESP_FT_ROCE_LEVEL,
#endif
};
struct mlx5e_flow_steering;
struct mlx5e_rx_res;
#ifdef CONFIG_MLX5_EN_ARFS
struct mlx5e_arfs_tables;
int mlx5e_arfs_create_tables(struct mlx5e_flow_steering *fs,
struct mlx5e_rx_res *rx_res, bool ntuple);
void mlx5e_arfs_destroy_tables(struct mlx5e_flow_steering *fs, bool ntuple);
int mlx5e_arfs_enable(struct mlx5e_flow_steering *fs);
int mlx5e_arfs_disable(struct mlx5e_flow_steering *fs);
int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
u16 rxq_index, u32 flow_id);
#else
static inline int mlx5e_arfs_create_tables(struct mlx5e_flow_steering *fs,
struct mlx5e_rx_res *rx_res, bool ntuple)
{ return 0; }
static inline void mlx5e_arfs_destroy_tables(struct mlx5e_flow_steering *fs, bool ntuple) {}
static inline int mlx5e_arfs_enable(struct mlx5e_flow_steering *fs)
{ return -EOPNOTSUPP; }
static inline int mlx5e_arfs_disable(struct mlx5e_flow_steering *fs)
{ return -EOPNOTSUPP; }
#endif
#ifdef CONFIG_MLX5_EN_TLS
struct mlx5e_accel_fs_tcp;
#endif
struct mlx5e_profile;
struct mlx5e_fs_udp;
struct mlx5e_fs_any;
struct mlx5e_ptp_fs;
void mlx5e_set_ttc_params(struct mlx5e_flow_steering *fs,
struct mlx5e_rx_res *rx_res,
struct ttc_params *ttc_params, bool tunnel);
void mlx5e_destroy_ttc_table(struct mlx5e_flow_steering *fs);
int mlx5e_create_ttc_table(struct mlx5e_flow_steering *fs,
struct mlx5e_rx_res *rx_res);
void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
void mlx5e_enable_cvlan_filter(struct mlx5e_flow_steering *fs, bool promisc);
void mlx5e_disable_cvlan_filter(struct mlx5e_flow_steering *fs, bool promisc);
int mlx5e_create_flow_steering(struct mlx5e_flow_steering *fs,
struct mlx5e_rx_res *rx_res,
const struct mlx5e_profile *profile,
struct net_device *netdev);
void mlx5e_destroy_flow_steering(struct mlx5e_flow_steering *fs, bool ntuple,
const struct mlx5e_profile *profile);
struct mlx5e_flow_steering *mlx5e_fs_init(const struct mlx5e_profile *profile,
struct mlx5_core_dev *mdev,
bool state_destroy,
struct dentry *dfs_root);
void mlx5e_fs_cleanup(struct mlx5e_flow_steering *fs);
struct mlx5e_vlan_table *mlx5e_fs_get_vlan(struct mlx5e_flow_steering *fs);
struct mlx5e_tc_table *mlx5e_fs_get_tc(struct mlx5e_flow_steering *fs);
struct mlx5e_l2_table *mlx5e_fs_get_l2(struct mlx5e_flow_steering *fs);
struct mlx5_flow_namespace *mlx5e_fs_get_ns(struct mlx5e_flow_steering *fs, bool egress);
void mlx5e_fs_set_ns(struct mlx5e_flow_steering *fs, struct mlx5_flow_namespace *ns, bool egress);
static inline bool mlx5e_fs_has_arfs(struct net_device *netdev)
{
return IS_ENABLED(CONFIG_MLX5_EN_ARFS) &&
netdev->hw_features & NETIF_F_NTUPLE;
}
static inline bool mlx5e_fs_want_arfs(struct net_device *netdev)
{
return IS_ENABLED(CONFIG_MLX5_EN_ARFS) &&
netdev->features & NETIF_F_NTUPLE;
}
#ifdef CONFIG_MLX5_EN_RXNFC
struct mlx5e_ethtool_steering *mlx5e_fs_get_ethtool(struct mlx5e_flow_steering *fs);
#endif
struct mlx5_ttc_table *mlx5e_fs_get_ttc(struct mlx5e_flow_steering *fs, bool inner);
void mlx5e_fs_set_ttc(struct mlx5e_flow_steering *fs, struct mlx5_ttc_table *ttc, bool inner);
#ifdef CONFIG_MLX5_EN_ARFS
struct mlx5e_arfs_tables *mlx5e_fs_get_arfs(struct mlx5e_flow_steering *fs);
void mlx5e_fs_set_arfs(struct mlx5e_flow_steering *fs, struct mlx5e_arfs_tables *arfs);
#endif
struct mlx5e_ptp_fs *mlx5e_fs_get_ptp(struct mlx5e_flow_steering *fs);
void mlx5e_fs_set_ptp(struct mlx5e_flow_steering *fs, struct mlx5e_ptp_fs *ptp_fs);
struct mlx5e_fs_any *mlx5e_fs_get_any(struct mlx5e_flow_steering *fs);
void mlx5e_fs_set_any(struct mlx5e_flow_steering *fs, struct mlx5e_fs_any *any);
struct mlx5e_fs_udp *mlx5e_fs_get_udp(struct mlx5e_flow_steering *fs);
void mlx5e_fs_set_udp(struct mlx5e_flow_steering *fs, struct mlx5e_fs_udp *udp);
#ifdef CONFIG_MLX5_EN_TLS
struct mlx5e_accel_fs_tcp *mlx5e_fs_get_accel_tcp(struct mlx5e_flow_steering *fs);
void mlx5e_fs_set_accel_tcp(struct mlx5e_flow_steering *fs, struct mlx5e_accel_fs_tcp *accel_tcp);
#endif
void mlx5e_fs_set_state_destroy(struct mlx5e_flow_steering *fs, bool state_destroy);
void mlx5e_fs_set_vlan_strip_disable(struct mlx5e_flow_steering *fs, bool vlan_strip_disable);
struct mlx5_core_dev *mlx5e_fs_get_mdev(struct mlx5e_flow_steering *fs);
int mlx5e_add_vlan_trap(struct mlx5e_flow_steering *fs, int trap_id, int tir_num);
void mlx5e_remove_vlan_trap(struct mlx5e_flow_steering *fs);
int mlx5e_add_mac_trap(struct mlx5e_flow_steering *fs, int trap_id, int tir_num);
void mlx5e_remove_mac_trap(struct mlx5e_flow_steering *fs);
void mlx5e_fs_set_rx_mode_work(struct mlx5e_flow_steering *fs, struct net_device *netdev);
int mlx5e_fs_vlan_rx_add_vid(struct mlx5e_flow_steering *fs,
struct net_device *netdev,
__be16 proto, u16 vid);
int mlx5e_fs_vlan_rx_kill_vid(struct mlx5e_flow_steering *fs,
struct net_device *netdev,
__be16 proto, u16 vid);
void mlx5e_fs_init_l2_addr(struct mlx5e_flow_steering *fs, struct net_device *netdev);
struct dentry *mlx5e_fs_get_debugfs_root(struct mlx5e_flow_steering *fs);
#define fs_err(fs, fmt, ...) \
mlx5_core_err(mlx5e_fs_get_mdev(fs), fmt, ##__VA_ARGS__)
#define fs_dbg(fs, fmt, ...) \
mlx5_core_dbg(mlx5e_fs_get_mdev(fs), fmt, ##__VA_ARGS__)
#define fs_warn(fs, fmt, ...) \
mlx5_core_warn(mlx5e_fs_get_mdev(fs), fmt, ##__VA_ARGS__)
#define fs_warn_once(fs, fmt, ...) \
mlx5_core_warn_once(mlx5e_fs_get_mdev(fs), fmt, ##__VA_ARGS__)
#endif /* __MLX5E_FLOW_STEER_H__ */
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