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/* 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"
enum mlxsw_core_resource_id {
MLXSW_CORE_RESOURCE_PORTS = 1,
MLXSW_CORE_RESOURCE_MAX,
};
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_temp_warn_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 {
u16 local_port;
bool is_emad;
};
struct mlxsw_rx_md_info {
u32 cookie_index;
u32 latency;
u32 tx_congestion;
union {
/* Valid when 'tx_port_valid' is set. */
u16 tx_sys_port;
u16 tx_lag_id;
};
u16 tx_lag_port_index; /* Valid when 'tx_port_is_lag' is set. */
u8 tx_tc;
u8 latency_valid:1,
tx_congestion_valid:1,
tx_tc_valid:1,
tx_port_valid:1,
tx_port_is_lag:1,
unused:3;
};
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, u16 local_port);
struct mlxsw_rx_listener {
void (*func)(struct sk_buff *skb, u16 local_port, void *priv);
u16 local_port;
u8 mirror_reason;
u16 trap_id;
};
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;
};
enum mlxsw_reg_hpkt_action en_action; /* Action when enabled */
enum mlxsw_reg_hpkt_action dis_action; /* Action when disabled */
u8 en_trap_group; /* Trap group when enabled */
u8 dis_trap_group; /* Trap group when disabled */
u8 is_ctrl:1, /* should go via control buffer or not */
is_event:1,
enabled_on_register:1; /* Trap should be enabled when listener
* is registered.
*/
};
#define __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \
_dis_action, _enabled_on_register, _dis_trap_group, \
_mirror_reason) \
{ \
.trap_id = MLXSW_TRAP_ID_##_trap_id, \
.rx_listener = \
{ \
.func = _func, \
.local_port = MLXSW_PORT_DONT_CARE, \
.mirror_reason = _mirror_reason, \
.trap_id = MLXSW_TRAP_ID_##_trap_id, \
}, \
.en_action = MLXSW_REG_HPKT_ACTION_##_en_action, \
.dis_action = MLXSW_REG_HPKT_ACTION_##_dis_action, \
.en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_en_trap_group, \
.dis_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_dis_trap_group, \
.is_ctrl = _is_ctrl, \
.enabled_on_register = _enabled_on_register, \
}
#define MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \
_dis_action) \
__MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \
_dis_action, true, _trap_group, 0)
#define MLXSW_RXL_DIS(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \
_dis_action, _dis_trap_group) \
__MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \
_dis_action, false, _dis_trap_group, 0)
#define MLXSW_RXL_MIRROR(_func, _session_id, _trap_group, _mirror_reason) \
__MLXSW_RXL(_func, MIRROR_SESSION##_session_id, TRAP_TO_CPU, false, \
_trap_group, TRAP_TO_CPU, true, _trap_group, \
_mirror_reason)
#define MLXSW_EVENTL(_func, _trap_id, _trap_group) \
{ \
.trap_id = MLXSW_TRAP_ID_##_trap_id, \
.event_listener = \
{ \
.func = _func, \
.trap_id = MLXSW_TRAP_ID_##_trap_id, \
}, \
.en_action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \
.en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \
.is_event = true, \
.enabled_on_register = true, \
}
int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core,
const struct mlxsw_rx_listener *rxl,
void *priv, bool enabled);
void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core,
const struct mlxsw_rx_listener *rxl);
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);
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_traps_register(struct mlxsw_core *mlxsw_core,
const struct mlxsw_listener *listeners,
size_t listeners_count, void *priv);
void mlxsw_core_traps_unregister(struct mlxsw_core *mlxsw_core,
const struct mlxsw_listener *listeners,
size_t listeners_count, void *priv);
int mlxsw_core_trap_state_set(struct mlxsw_core *mlxsw_core,
const struct mlxsw_listener *listener,
bool enabled);
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;
u16 lag_port_index;
u8 mirror_reason;
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, u16 local_port);
u16 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, u16 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, u16 local_port,
u32 port_number, bool split, u32 split_port_subnumber,
bool splittable, u32 lanes,
const unsigned char *switch_id,
unsigned char switch_id_len);
void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u16 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, u16 local_port,
void *port_driver_priv, struct net_device *dev);
void mlxsw_core_port_ib_set(struct mlxsw_core *mlxsw_core, u16 local_port,
void *port_driver_priv);
void mlxsw_core_port_clear(struct mlxsw_core *mlxsw_core, u16 local_port,
void *port_driver_priv);
enum devlink_port_type mlxsw_core_port_type_get(struct mlxsw_core *mlxsw_core,
u16 local_port);
struct devlink_port *
mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core,
u16 local_port);
bool mlxsw_core_port_is_xm(const struct mlxsw_core *mlxsw_core, u16 local_port);
struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core);
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,
used_kvh_xlt_cache_mode: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;
u8 kvh_xlt_cache_mode;
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;
const struct mlxsw_fw_rev *fw_req_rev;
const char *fw_filename;
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 (*port_type_set)(struct mlxsw_core *mlxsw_core, u16 local_port,
enum devlink_port_type new_type);
int (*port_split)(struct mlxsw_core *mlxsw_core, u16 local_port,
unsigned int count, struct netlink_ext_ack *extack);
int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u16 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 (*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,
struct netlink_ext_ack *extack);
int (*trap_group_init)(struct mlxsw_core *mlxsw_core,
const struct devlink_trap_group *group);
int (*trap_group_set)(struct mlxsw_core *mlxsw_core,
const struct devlink_trap_group *group,
const struct devlink_trap_policer *policer,
struct netlink_ext_ack *extack);
int (*trap_policer_init)(struct mlxsw_core *mlxsw_core,
const struct devlink_trap_policer *policer);
void (*trap_policer_fini)(struct mlxsw_core *mlxsw_core,
const struct devlink_trap_policer *policer);
int (*trap_policer_set)(struct mlxsw_core *mlxsw_core,
const struct devlink_trap_policer *policer,
u64 rate, u64 burst,
struct netlink_ext_ack *extack);
int (*trap_policer_counter_get)(struct mlxsw_core *mlxsw_core,
const struct devlink_trap_policer *policer,
u64 *p_drops);
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, u16 local_port);
u8 txhdr_len;
const struct mlxsw_config_profile *profile;
bool res_query_enabled;
bool fw_fatal_enabled;
bool temp_warn_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);
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;
};
#define MLXSW_BUS_INFO_XM_LOCAL_PORTS_MAX 4
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,
xm_exists:1;
u8 xm_local_ports_count;
u8 xm_local_ports[MLXSW_BUS_INFO_XM_LOCAL_PORTS_MAX];
};
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 {
union {
struct mlxsw_tx_info tx_info;
struct mlxsw_rx_md_info rx_md_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
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