| /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ |
| /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */ |
| |
| #ifndef _MLXSW_CORE_H |
| #define _MLXSW_CORE_H |
| |
| #include <linux/module.h> |
| #include <linux/device.h> |
| #include <linux/slab.h> |
| #include <linux/gfp.h> |
| #include <linux/types.h> |
| #include <linux/skbuff.h> |
| #include <linux/workqueue.h> |
| #include <linux/net_namespace.h> |
| #include <net/devlink.h> |
| |
| #include "trap.h" |
| #include "reg.h" |
| #include "cmd.h" |
| #include "resources.h" |
| |
| struct mlxsw_core; |
| struct mlxsw_core_port; |
| struct mlxsw_driver; |
| struct mlxsw_bus; |
| struct mlxsw_bus_info; |
| struct mlxsw_fw_rev; |
| |
| unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core); |
| |
| void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core); |
| |
| bool mlxsw_core_res_query_enabled(const struct mlxsw_core *mlxsw_core); |
| |
| bool |
| mlxsw_core_fw_rev_minor_subminor_validate(const struct mlxsw_fw_rev *rev, |
| const struct mlxsw_fw_rev *req_rev); |
| |
| int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver); |
| void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver); |
| |
| int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, |
| const struct mlxsw_bus *mlxsw_bus, |
| void *bus_priv, bool reload, |
| struct devlink *devlink, |
| struct netlink_ext_ack *extack); |
| void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload); |
| |
| struct mlxsw_tx_info { |
| u8 local_port; |
| bool is_emad; |
| }; |
| |
| bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_tx_info *tx_info); |
| int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, |
| const struct mlxsw_tx_info *tx_info); |
| void mlxsw_core_ptp_transmitted(struct mlxsw_core *mlxsw_core, |
| struct sk_buff *skb, u8 local_port); |
| |
| struct mlxsw_rx_listener { |
| void (*func)(struct sk_buff *skb, u8 local_port, void *priv); |
| u8 local_port; |
| u16 trap_id; |
| enum mlxsw_reg_hpkt_action action; |
| }; |
| |
| struct mlxsw_event_listener { |
| void (*func)(const struct mlxsw_reg_info *reg, |
| char *payload, void *priv); |
| enum mlxsw_event_trap_id trap_id; |
| }; |
| |
| struct mlxsw_listener { |
| u16 trap_id; |
| union { |
| struct mlxsw_rx_listener rx_listener; |
| struct mlxsw_event_listener event_listener; |
| } u; |
| enum mlxsw_reg_hpkt_action action; |
| enum mlxsw_reg_hpkt_action unreg_action; |
| u8 trap_group; |
| bool is_ctrl; /* should go via control buffer or not */ |
| bool is_event; |
| }; |
| |
| #define MLXSW_RXL(_func, _trap_id, _action, _is_ctrl, _trap_group, \ |
| _unreg_action) \ |
| { \ |
| .trap_id = MLXSW_TRAP_ID_##_trap_id, \ |
| .u.rx_listener = \ |
| { \ |
| .func = _func, \ |
| .local_port = MLXSW_PORT_DONT_CARE, \ |
| .trap_id = MLXSW_TRAP_ID_##_trap_id, \ |
| }, \ |
| .action = MLXSW_REG_HPKT_ACTION_##_action, \ |
| .unreg_action = MLXSW_REG_HPKT_ACTION_##_unreg_action, \ |
| .trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \ |
| .is_ctrl = _is_ctrl, \ |
| .is_event = false, \ |
| } |
| |
| #define MLXSW_EVENTL(_func, _trap_id, _trap_group) \ |
| { \ |
| .trap_id = MLXSW_TRAP_ID_##_trap_id, \ |
| .u.event_listener = \ |
| { \ |
| .func = _func, \ |
| .trap_id = MLXSW_TRAP_ID_##_trap_id, \ |
| }, \ |
| .action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \ |
| .trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \ |
| .is_ctrl = false, \ |
| .is_event = true, \ |
| } |
| |
| int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_rx_listener *rxl, |
| void *priv); |
| void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_rx_listener *rxl, |
| void *priv); |
| |
| int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_event_listener *el, |
| void *priv); |
| void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_event_listener *el, |
| void *priv); |
| |
| int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_listener *listener, |
| void *priv); |
| void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_listener *listener, |
| void *priv); |
| int mlxsw_core_trap_action_set(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_listener *listener, |
| enum mlxsw_reg_hpkt_action action); |
| |
| typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload, |
| size_t payload_len, unsigned long cb_priv); |
| |
| int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_reg_info *reg, char *payload, |
| struct list_head *bulk_list, |
| mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); |
| int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_reg_info *reg, char *payload, |
| struct list_head *bulk_list, |
| mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); |
| int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list); |
| |
| int mlxsw_reg_query(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_reg_info *reg, char *payload); |
| int mlxsw_reg_write(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_reg_info *reg, char *payload); |
| |
| struct mlxsw_rx_info { |
| bool is_lag; |
| union { |
| u16 sys_port; |
| u16 lag_id; |
| } u; |
| u8 lag_port_index; |
| int trap_id; |
| }; |
| |
| void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, |
| struct mlxsw_rx_info *rx_info); |
| |
| void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core, |
| u16 lag_id, u8 port_index, u8 local_port); |
| u8 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core, |
| u16 lag_id, u8 port_index); |
| void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core, |
| u16 lag_id, u8 local_port); |
| |
| void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port); |
| int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u8 local_port, |
| u32 port_number, bool split, |
| u32 split_port_subnumber, |
| const unsigned char *switch_id, |
| unsigned char switch_id_len); |
| void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u8 local_port); |
| int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core, |
| void *port_driver_priv, |
| const unsigned char *switch_id, |
| unsigned char switch_id_len); |
| void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core); |
| void mlxsw_core_port_eth_set(struct mlxsw_core *mlxsw_core, u8 local_port, |
| void *port_driver_priv, struct net_device *dev); |
| void mlxsw_core_port_ib_set(struct mlxsw_core *mlxsw_core, u8 local_port, |
| void *port_driver_priv); |
| void mlxsw_core_port_clear(struct mlxsw_core *mlxsw_core, u8 local_port, |
| void *port_driver_priv); |
| enum devlink_port_type mlxsw_core_port_type_get(struct mlxsw_core *mlxsw_core, |
| u8 local_port); |
| struct devlink_port * |
| mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core, |
| u8 local_port); |
| int mlxsw_core_module_max_width(struct mlxsw_core *mlxsw_core, u8 module); |
| |
| int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay); |
| bool mlxsw_core_schedule_work(struct work_struct *work); |
| void mlxsw_core_flush_owq(void); |
| int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox, |
| struct mlxsw_res *res); |
| |
| #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8 |
| |
| struct mlxsw_swid_config { |
| u8 used_type:1, |
| used_properties:1; |
| u8 type; |
| u8 properties; |
| }; |
| |
| struct mlxsw_config_profile { |
| u16 used_max_vepa_channels:1, |
| used_max_mid:1, |
| used_max_pgt:1, |
| used_max_system_port:1, |
| used_max_vlan_groups:1, |
| used_max_regions:1, |
| used_flood_tables:1, |
| used_flood_mode:1, |
| used_max_ib_mc:1, |
| used_max_pkey:1, |
| used_ar_sec:1, |
| used_adaptive_routing_group_cap:1, |
| used_kvd_sizes:1; |
| u8 max_vepa_channels; |
| u16 max_mid; |
| u16 max_pgt; |
| u16 max_system_port; |
| u16 max_vlan_groups; |
| u16 max_regions; |
| u8 max_flood_tables; |
| u8 max_vid_flood_tables; |
| u8 flood_mode; |
| u8 max_fid_offset_flood_tables; |
| u16 fid_offset_flood_table_size; |
| u8 max_fid_flood_tables; |
| u16 fid_flood_table_size; |
| u16 max_ib_mc; |
| u16 max_pkey; |
| u8 ar_sec; |
| u16 adaptive_routing_group_cap; |
| u8 arn; |
| u32 kvd_linear_size; |
| u8 kvd_hash_single_parts; |
| u8 kvd_hash_double_parts; |
| struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT]; |
| }; |
| |
| struct mlxsw_driver { |
| struct list_head list; |
| const char *kind; |
| size_t priv_size; |
| int (*init)(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_bus_info *mlxsw_bus_info, |
| struct netlink_ext_ack *extack); |
| void (*fini)(struct mlxsw_core *mlxsw_core); |
| int (*basic_trap_groups_set)(struct mlxsw_core *mlxsw_core); |
| int (*port_type_set)(struct mlxsw_core *mlxsw_core, u8 local_port, |
| enum devlink_port_type new_type); |
| int (*port_split)(struct mlxsw_core *mlxsw_core, u8 local_port, |
| unsigned int count, struct netlink_ext_ack *extack); |
| int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u8 local_port, |
| struct netlink_ext_ack *extack); |
| int (*sb_pool_get)(struct mlxsw_core *mlxsw_core, |
| unsigned int sb_index, u16 pool_index, |
| struct devlink_sb_pool_info *pool_info); |
| int (*sb_pool_set)(struct mlxsw_core *mlxsw_core, |
| unsigned int sb_index, u16 pool_index, u32 size, |
| enum devlink_sb_threshold_type threshold_type, |
| struct netlink_ext_ack *extack); |
| int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, |
| unsigned int sb_index, u16 pool_index, |
| u32 *p_threshold); |
| int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port, |
| unsigned int sb_index, u16 pool_index, |
| u32 threshold, struct netlink_ext_ack *extack); |
| int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port, |
| unsigned int sb_index, u16 tc_index, |
| enum devlink_sb_pool_type pool_type, |
| u16 *p_pool_index, u32 *p_threshold); |
| int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port, |
| unsigned int sb_index, u16 tc_index, |
| enum devlink_sb_pool_type pool_type, |
| u16 pool_index, u32 threshold, |
| struct netlink_ext_ack *extack); |
| int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core, |
| unsigned int sb_index); |
| int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core, |
| unsigned int sb_index); |
| int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, |
| unsigned int sb_index, u16 pool_index, |
| u32 *p_cur, u32 *p_max); |
| int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port, |
| unsigned int sb_index, u16 tc_index, |
| enum devlink_sb_pool_type pool_type, |
| u32 *p_cur, u32 *p_max); |
| int (*flash_update)(struct mlxsw_core *mlxsw_core, |
| const char *file_name, const char *component, |
| struct netlink_ext_ack *extack); |
| int (*trap_init)(struct mlxsw_core *mlxsw_core, |
| const struct devlink_trap *trap, void *trap_ctx); |
| void (*trap_fini)(struct mlxsw_core *mlxsw_core, |
| const struct devlink_trap *trap, void *trap_ctx); |
| int (*trap_action_set)(struct mlxsw_core *mlxsw_core, |
| const struct devlink_trap *trap, |
| enum devlink_trap_action action); |
| int (*trap_group_init)(struct mlxsw_core *mlxsw_core, |
| const struct devlink_trap_group *group); |
| void (*txhdr_construct)(struct sk_buff *skb, |
| const struct mlxsw_tx_info *tx_info); |
| int (*resources_register)(struct mlxsw_core *mlxsw_core); |
| int (*kvd_sizes_get)(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_config_profile *profile, |
| u64 *p_single_size, u64 *p_double_size, |
| u64 *p_linear_size); |
| int (*params_register)(struct mlxsw_core *mlxsw_core); |
| void (*params_unregister)(struct mlxsw_core *mlxsw_core); |
| |
| /* Notify a driver that a timestamped packet was transmitted. Driver |
| * is responsible for freeing the passed-in SKB. |
| */ |
| void (*ptp_transmitted)(struct mlxsw_core *mlxsw_core, |
| struct sk_buff *skb, u8 local_port); |
| |
| u8 txhdr_len; |
| const struct mlxsw_config_profile *profile; |
| bool res_query_enabled; |
| }; |
| |
| int mlxsw_core_kvd_sizes_get(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_config_profile *profile, |
| u64 *p_single_size, u64 *p_double_size, |
| u64 *p_linear_size); |
| |
| void mlxsw_core_fw_flash_start(struct mlxsw_core *mlxsw_core); |
| void mlxsw_core_fw_flash_end(struct mlxsw_core *mlxsw_core); |
| |
| u32 mlxsw_core_read_frc_h(struct mlxsw_core *mlxsw_core); |
| u32 mlxsw_core_read_frc_l(struct mlxsw_core *mlxsw_core); |
| |
| void mlxsw_core_emad_string_tlv_enable(struct mlxsw_core *mlxsw_core); |
| |
| bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core, |
| enum mlxsw_res_id res_id); |
| |
| #define MLXSW_CORE_RES_VALID(mlxsw_core, short_res_id) \ |
| mlxsw_core_res_valid(mlxsw_core, MLXSW_RES_ID_##short_res_id) |
| |
| u64 mlxsw_core_res_get(struct mlxsw_core *mlxsw_core, |
| enum mlxsw_res_id res_id); |
| |
| #define MLXSW_CORE_RES_GET(mlxsw_core, short_res_id) \ |
| mlxsw_core_res_get(mlxsw_core, MLXSW_RES_ID_##short_res_id) |
| |
| static inline struct net *mlxsw_core_net(struct mlxsw_core *mlxsw_core) |
| { |
| return devlink_net(priv_to_devlink(mlxsw_core)); |
| } |
| |
| #define MLXSW_BUS_F_TXRX BIT(0) |
| #define MLXSW_BUS_F_RESET BIT(1) |
| |
| struct mlxsw_bus { |
| const char *kind; |
| int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_config_profile *profile, |
| struct mlxsw_res *res); |
| void (*fini)(void *bus_priv); |
| bool (*skb_transmit_busy)(void *bus_priv, |
| const struct mlxsw_tx_info *tx_info); |
| int (*skb_transmit)(void *bus_priv, struct sk_buff *skb, |
| const struct mlxsw_tx_info *tx_info); |
| int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod, |
| u32 in_mod, bool out_mbox_direct, |
| char *in_mbox, size_t in_mbox_size, |
| char *out_mbox, size_t out_mbox_size, |
| u8 *p_status); |
| u32 (*read_frc_h)(void *bus_priv); |
| u32 (*read_frc_l)(void *bus_priv); |
| u8 features; |
| }; |
| |
| struct mlxsw_fw_rev { |
| u16 major; |
| u16 minor; |
| u16 subminor; |
| u16 can_reset_minor; |
| }; |
| |
| struct mlxsw_bus_info { |
| const char *device_kind; |
| const char *device_name; |
| struct device *dev; |
| struct mlxsw_fw_rev fw_rev; |
| u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN]; |
| u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN]; |
| u8 low_frequency:1, |
| read_frc_capable:1; |
| }; |
| |
| struct mlxsw_hwmon; |
| |
| #ifdef CONFIG_MLXSW_CORE_HWMON |
| |
| int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_bus_info *mlxsw_bus_info, |
| struct mlxsw_hwmon **p_hwmon); |
| void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon); |
| |
| #else |
| |
| static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_bus_info *mlxsw_bus_info, |
| struct mlxsw_hwmon **p_hwmon) |
| { |
| return 0; |
| } |
| |
| static inline void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon) |
| { |
| } |
| |
| #endif |
| |
| struct mlxsw_thermal; |
| |
| #ifdef CONFIG_MLXSW_CORE_THERMAL |
| |
| int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_bus_info *mlxsw_bus_info, |
| struct mlxsw_thermal **p_thermal); |
| void mlxsw_thermal_fini(struct mlxsw_thermal *thermal); |
| |
| #else |
| |
| static inline int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, |
| const struct mlxsw_bus_info *mlxsw_bus_info, |
| struct mlxsw_thermal **p_thermal) |
| { |
| return 0; |
| } |
| |
| static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal) |
| { |
| } |
| |
| #endif |
| |
| enum mlxsw_devlink_param_id { |
| MLXSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, |
| MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL, |
| }; |
| |
| struct mlxsw_skb_cb { |
| struct mlxsw_tx_info tx_info; |
| }; |
| |
| static inline struct mlxsw_skb_cb *mlxsw_skb_cb(struct sk_buff *skb) |
| { |
| BUILD_BUG_ON(sizeof(mlxsw_skb_cb) > sizeof(skb->cb)); |
| return (struct mlxsw_skb_cb *) skb->cb; |
| } |
| |
| #endif |
