| /* |
| * 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 <linux/if_ether.h> |
| #include <linux/if_link.h> |
| #include <net/devlink.h> |
| #include <linux/mlx5/device.h> |
| |
| #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 MLX5_L2_ADDR_HASH_SIZE (BIT(BITS_PER_BYTE)) |
| #define MLX5_L2_ADDR_HASH(addr) (addr[5]) |
| |
| #define FDB_UPLINK_VPORT 0xffff |
| |
| /* L2 -mac address based- hash helpers */ |
| struct l2addr_node { |
| struct hlist_node hlist; |
| u8 addr[ETH_ALEN]; |
| }; |
| |
| #define for_each_l2hash_node(hn, tmp, hash, i) \ |
| for (i = 0; i < MLX5_L2_ADDR_HASH_SIZE; i++) \ |
| hlist_for_each_entry_safe(hn, tmp, &hash[i], hlist) |
| |
| #define l2addr_hash_find(hash, mac, type) ({ \ |
| int ix = MLX5_L2_ADDR_HASH(mac); \ |
| bool found = false; \ |
| type *ptr = NULL; \ |
| \ |
| hlist_for_each_entry(ptr, &hash[ix], node.hlist) \ |
| if (ether_addr_equal(ptr->node.addr, mac)) {\ |
| found = true; \ |
| break; \ |
| } \ |
| if (!found) \ |
| ptr = NULL; \ |
| ptr; \ |
| }) |
| |
| #define l2addr_hash_add(hash, mac, type, gfp) ({ \ |
| int ix = MLX5_L2_ADDR_HASH(mac); \ |
| type *ptr = NULL; \ |
| \ |
| ptr = kzalloc(sizeof(type), gfp); \ |
| if (ptr) { \ |
| ether_addr_copy(ptr->node.addr, mac); \ |
| hlist_add_head(&ptr->node.hlist, &hash[ix]);\ |
| } \ |
| ptr; \ |
| }) |
| |
| #define l2addr_hash_del(ptr) ({ \ |
| hlist_del(&ptr->node.hlist); \ |
| kfree(ptr); \ |
| }) |
| |
| 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_rule *allow_rule; |
| struct mlx5_flow_rule *drop_rule; |
| }; |
| |
| struct vport_egress { |
| struct mlx5_flow_table *acl; |
| struct mlx5_flow_group *allowed_vlans_grp; |
| struct mlx5_flow_group *drop_grp; |
| struct mlx5_flow_rule *allowed_vlan; |
| struct mlx5_flow_rule *drop_rule; |
| }; |
| |
| struct mlx5_vport_info { |
| u8 mac[ETH_ALEN]; |
| u16 vlan; |
| u8 qos; |
| u64 node_guid; |
| int link_state; |
| 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_rule *promisc_rule; |
| struct mlx5_flow_rule *allmulti_rule; |
| struct work_struct vport_change_handler; |
| |
| struct vport_ingress ingress; |
| struct vport_egress egress; |
| |
| struct mlx5_vport_info info; |
| |
| bool enabled; |
| u16 enabled_events; |
| }; |
| |
| struct mlx5_l2_table { |
| struct hlist_head l2_hash[MLX5_L2_ADDR_HASH_SIZE]; |
| u32 size; |
| unsigned long *bitmap; |
| }; |
| |
| struct mlx5_eswitch_fdb { |
| void *fdb; |
| union { |
| struct legacy_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 *fdb; |
| struct mlx5_flow_group *send_to_vport_grp; |
| struct mlx5_flow_group *miss_grp; |
| struct mlx5_flow_rule *miss_rule; |
| int vlan_push_pop_refcount; |
| } offloads; |
| }; |
| }; |
| |
| enum { |
| SRIOV_NONE, |
| SRIOV_LEGACY, |
| SRIOV_OFFLOADS |
| }; |
| |
| struct mlx5_esw_sq { |
| struct mlx5_flow_rule *send_to_vport_rule; |
| struct list_head list; |
| }; |
| |
| struct mlx5_eswitch_rep { |
| int (*load)(struct mlx5_eswitch *esw, |
| struct mlx5_eswitch_rep *rep); |
| void (*unload)(struct mlx5_eswitch *esw, |
| struct mlx5_eswitch_rep *rep); |
| u16 vport; |
| u8 hw_id[ETH_ALEN]; |
| void *priv_data; |
| |
| struct mlx5_flow_rule *vport_rx_rule; |
| struct list_head vport_sqs_list; |
| u16 vlan; |
| u32 vlan_refcount; |
| bool valid; |
| }; |
| |
| struct mlx5_esw_offload { |
| struct mlx5_flow_table *ft_offloads; |
| struct mlx5_flow_group *vport_rx_group; |
| struct mlx5_eswitch_rep *vport_reps; |
| }; |
| |
| struct mlx5_eswitch { |
| struct mlx5_core_dev *dev; |
| struct mlx5_l2_table l2_table; |
| 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 mlx5_esw_offload offloads; |
| int mode; |
| }; |
| |
| void esw_offloads_cleanup(struct mlx5_eswitch *esw, int nvports); |
| int esw_offloads_init(struct mlx5_eswitch *esw, int nvports); |
| |
| /* E-Switch API */ |
| int mlx5_eswitch_init(struct mlx5_core_dev *dev); |
| void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw); |
| void mlx5_eswitch_attach(struct mlx5_eswitch *esw); |
| void mlx5_eswitch_detach(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_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); |
| |
| struct mlx5_flow_spec; |
| struct mlx5_esw_flow_attr; |
| |
| struct mlx5_flow_rule * |
| mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw, |
| struct mlx5_flow_spec *spec, |
| struct mlx5_esw_flow_attr *attr); |
| struct mlx5_flow_rule * |
| mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, int vport, u32 tirn); |
| |
| enum { |
| SET_VLAN_STRIP = BIT(0), |
| SET_VLAN_INSERT = BIT(1) |
| }; |
| |
| #define MLX5_FLOW_CONTEXT_ACTION_VLAN_POP 0x40 |
| #define MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH 0x80 |
| |
| struct mlx5_esw_flow_attr { |
| struct mlx5_eswitch_rep *in_rep; |
| struct mlx5_eswitch_rep *out_rep; |
| |
| int action; |
| u16 vlan; |
| bool vlan_handled; |
| }; |
| |
| int mlx5_eswitch_sqs2vport_start(struct mlx5_eswitch *esw, |
| struct mlx5_eswitch_rep *rep, |
| u16 *sqns_array, int sqns_num); |
| void mlx5_eswitch_sqs2vport_stop(struct mlx5_eswitch *esw, |
| struct mlx5_eswitch_rep *rep); |
| |
| int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode); |
| int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode); |
| void mlx5_eswitch_register_vport_rep(struct mlx5_eswitch *esw, |
| int vport_index, |
| struct mlx5_eswitch_rep *rep); |
| void mlx5_eswitch_unregister_vport_rep(struct mlx5_eswitch *esw, |
| int vport_index); |
| |
| 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); |
| |
| #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__) |
| #endif /* __MLX5_ESWITCH_H__ */ |
