/* * Copyright (c) 2015, Mellanox Technologies, Ltd. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef __MLX5_ESWITCH_H__ #define __MLX5_ESWITCH_H__ #include #include #include #include #include #include #include "lib/mpfs.h" #ifdef CONFIG_MLX5_ESWITCH #define MLX5_MAX_UC_PER_VPORT(dev) \ (1 << MLX5_CAP_GEN(dev, log_max_current_uc_list)) #define MLX5_MAX_MC_PER_VPORT(dev) \ (1 << MLX5_CAP_GEN(dev, log_max_current_mc_list)) #define FDB_UPLINK_VPORT 0xffff #define MLX5_MIN_BW_SHARE 1 #define MLX5_RATE_TO_BW_SHARE(rate, divider, limit) \ min_t(u32, max_t(u32, (rate) / (divider), MLX5_MIN_BW_SHARE), limit) #define mlx5_esw_has_fwd_fdb(dev) \ MLX5_CAP_ESW_FLOWTABLE(dev, fdb_multi_path_to_table) #define FDB_MAX_CHAIN 3 #define FDB_SLOW_PATH_CHAIN (FDB_MAX_CHAIN + 1) #define FDB_MAX_PRIO 16 struct vport_ingress { struct mlx5_flow_table *acl; struct mlx5_flow_group *allow_untagged_spoofchk_grp; struct mlx5_flow_group *allow_spoofchk_only_grp; struct mlx5_flow_group *allow_untagged_only_grp; struct mlx5_flow_group *drop_grp; struct mlx5_flow_handle *allow_rule; struct mlx5_flow_handle *drop_rule; struct mlx5_fc *drop_counter; }; struct vport_egress { struct mlx5_flow_table *acl; struct mlx5_flow_group *allowed_vlans_grp; struct mlx5_flow_group *drop_grp; struct mlx5_flow_handle *allowed_vlan; struct mlx5_flow_handle *drop_rule; struct mlx5_fc *drop_counter; }; struct mlx5_vport_drop_stats { u64 rx_dropped; u64 tx_dropped; }; struct mlx5_vport_info { u8 mac[ETH_ALEN]; u16 vlan; u8 qos; u64 node_guid; int link_state; u32 min_rate; u32 max_rate; bool spoofchk; bool trusted; }; struct mlx5_vport { struct mlx5_core_dev *dev; int vport; struct hlist_head uc_list[MLX5_L2_ADDR_HASH_SIZE]; struct hlist_head mc_list[MLX5_L2_ADDR_HASH_SIZE]; struct mlx5_flow_handle *promisc_rule; struct mlx5_flow_handle *allmulti_rule; struct work_struct vport_change_handler; struct vport_ingress ingress; struct vport_egress egress; struct mlx5_vport_info info; struct { bool enabled; u32 esw_tsar_ix; u32 bw_share; } qos; bool enabled; u16 enabled_events; }; enum offloads_fdb_flags { ESW_FDB_CHAINS_AND_PRIOS_SUPPORTED = BIT(0), }; extern const unsigned int ESW_POOLS[4]; #define PRIO_LEVELS 2 struct mlx5_eswitch_fdb { union { struct legacy_fdb { struct mlx5_flow_table *fdb; struct mlx5_flow_group *addr_grp; struct mlx5_flow_group *allmulti_grp; struct mlx5_flow_group *promisc_grp; } legacy; struct offloads_fdb { struct mlx5_flow_table *slow_fdb; struct mlx5_flow_group *send_to_vport_grp; struct mlx5_flow_group *miss_grp; struct mlx5_flow_handle *miss_rule_uni; struct mlx5_flow_handle *miss_rule_multi; int vlan_push_pop_refcount; struct { struct mlx5_flow_table *fdb; u32 num_rules; } fdb_prio[FDB_MAX_CHAIN + 1][FDB_MAX_PRIO + 1][PRIO_LEVELS]; /* Protects fdb_prio table */ struct mutex fdb_prio_lock; int fdb_left[ARRAY_SIZE(ESW_POOLS)]; } offloads; }; u32 flags; }; struct mlx5_esw_offload { struct mlx5_flow_table *ft_offloads; struct mlx5_flow_group *vport_rx_group; struct mlx5_eswitch_rep *vport_reps; DECLARE_HASHTABLE(encap_tbl, 8); DECLARE_HASHTABLE(mod_hdr_tbl, 8); u8 inline_mode; u64 num_flows; u8 encap; }; /* E-Switch MC FDB table hash node */ struct esw_mc_addr { /* SRIOV only */ struct l2addr_node node; struct mlx5_flow_handle *uplink_rule; /* Forward to uplink rule */ u32 refcnt; }; struct mlx5_eswitch { struct mlx5_core_dev *dev; struct mlx5_eswitch_fdb fdb_table; struct hlist_head mc_table[MLX5_L2_ADDR_HASH_SIZE]; struct workqueue_struct *work_queue; struct mlx5_vport *vports; int total_vports; int enabled_vports; /* Synchronize between vport change events * and async SRIOV admin state changes */ struct mutex state_lock; struct esw_mc_addr mc_promisc; struct { bool enabled; u32 root_tsar_id; } qos; struct mlx5_esw_offload offloads; int mode; int nvports; }; void esw_offloads_cleanup(struct mlx5_eswitch *esw, int nvports); int esw_offloads_init(struct mlx5_eswitch *esw, int nvports); void esw_offloads_cleanup_reps(struct mlx5_eswitch *esw); int esw_offloads_init_reps(struct mlx5_eswitch *esw); /* E-Switch API */ int mlx5_eswitch_init(struct mlx5_core_dev *dev); void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw); void mlx5_eswitch_vport_event(struct mlx5_eswitch *esw, struct mlx5_eqe *eqe); int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode); void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw); int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw, int vport, u8 mac[ETH_ALEN]); int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw, int vport, int link_state); int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw, int vport, u16 vlan, u8 qos); int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw, int vport, bool spoofchk); int mlx5_eswitch_set_vport_trust(struct mlx5_eswitch *esw, int vport_num, bool setting); int mlx5_eswitch_set_vport_rate(struct mlx5_eswitch *esw, int vport, u32 max_rate, u32 min_rate); int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw, int vport, struct ifla_vf_info *ivi); int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw, int vport, struct ifla_vf_stats *vf_stats); void mlx5_eswitch_del_send_to_vport_rule(struct mlx5_flow_handle *rule); struct mlx5_flow_spec; struct mlx5_esw_flow_attr; struct mlx5_flow_handle * mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw, struct mlx5_flow_spec *spec, struct mlx5_esw_flow_attr *attr); struct mlx5_flow_handle * mlx5_eswitch_add_fwd_rule(struct mlx5_eswitch *esw, struct mlx5_flow_spec *spec, struct mlx5_esw_flow_attr *attr); void mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw, struct mlx5_flow_handle *rule, struct mlx5_esw_flow_attr *attr); void mlx5_eswitch_del_fwd_rule(struct mlx5_eswitch *esw, struct mlx5_flow_handle *rule, struct mlx5_esw_flow_attr *attr); bool mlx5_eswitch_prios_supported(struct mlx5_eswitch *esw); u16 mlx5_eswitch_get_prio_range(struct mlx5_eswitch *esw); u32 mlx5_eswitch_get_chain_range(struct mlx5_eswitch *esw); struct mlx5_flow_handle * mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, int vport, struct mlx5_flow_destination *dest); enum { SET_VLAN_STRIP = BIT(0), SET_VLAN_INSERT = BIT(1) }; enum mlx5_flow_match_level { MLX5_MATCH_NONE = MLX5_INLINE_MODE_NONE, MLX5_MATCH_L2 = MLX5_INLINE_MODE_L2, MLX5_MATCH_L3 = MLX5_INLINE_MODE_IP, MLX5_MATCH_L4 = MLX5_INLINE_MODE_TCP_UDP, }; /* current maximum for flow based vport multicasting */ #define MLX5_MAX_FLOW_FWD_VPORTS 2 struct mlx5_esw_flow_attr { struct mlx5_eswitch_rep *in_rep; struct mlx5_eswitch_rep *out_rep[MLX5_MAX_FLOW_FWD_VPORTS]; struct mlx5_core_dev *out_mdev[MLX5_MAX_FLOW_FWD_VPORTS]; struct mlx5_core_dev *in_mdev; int mirror_count; int out_count; int action; __be16 vlan_proto[MLX5_FS_VLAN_DEPTH]; u16 vlan_vid[MLX5_FS_VLAN_DEPTH]; u8 vlan_prio[MLX5_FS_VLAN_DEPTH]; u8 total_vlan; bool vlan_handled; u32 encap_id; u32 mod_hdr_id; u8 match_level; struct mlx5_fc *counter; u32 chain; u16 prio; u32 dest_chain; struct mlx5e_tc_flow_parse_attr *parse_attr; }; int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode, struct netlink_ext_ack *extack); int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode); int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode, struct netlink_ext_ack *extack); int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode); int mlx5_eswitch_inline_mode_get(struct mlx5_eswitch *esw, int nvfs, u8 *mode); int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, u8 encap, struct netlink_ext_ack *extack); int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, u8 *encap); void *mlx5_eswitch_get_uplink_priv(struct mlx5_eswitch *esw, u8 rep_type); int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw, struct mlx5_esw_flow_attr *attr); int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw, struct mlx5_esw_flow_attr *attr); int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw, int vport, u16 vlan, u8 qos, u8 set_flags); static inline bool mlx5_eswitch_vlan_actions_supported(struct mlx5_core_dev *dev, u8 vlan_depth) { bool ret = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan) && MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan); if (vlan_depth == 1) return ret; return ret && MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan_2) && MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan_2); } #define MLX5_DEBUG_ESWITCH_MASK BIT(3) #define esw_info(dev, format, ...) \ pr_info("(%s): E-Switch: " format, (dev)->priv.name, ##__VA_ARGS__) #define esw_warn(dev, format, ...) \ pr_warn("(%s): E-Switch: " format, (dev)->priv.name, ##__VA_ARGS__) #define esw_debug(dev, format, ...) \ mlx5_core_dbg_mask(dev, MLX5_DEBUG_ESWITCH_MASK, format, ##__VA_ARGS__) #else /* CONFIG_MLX5_ESWITCH */ /* eswitch API stubs */ static inline int mlx5_eswitch_init(struct mlx5_core_dev *dev) { return 0; } static inline void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) {} static inline void mlx5_eswitch_vport_event(struct mlx5_eswitch *esw, struct mlx5_eqe *eqe) {} static inline int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode) { return 0; } static inline void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw) {} #define FDB_MAX_CHAIN 1 #define FDB_SLOW_PATH_CHAIN (FDB_MAX_CHAIN + 1) #define FDB_MAX_PRIO 1 #endif /* CONFIG_MLX5_ESWITCH */ #endif /* __MLX5_ESWITCH_H__ */