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/* SPDX-License-Identifier: GPL-2.0-only */
/****************************************************************************
* Driver for Solarflare network controllers and boards
* Copyright 2019 Solarflare Communications Inc.
* Copyright 2020-2022 Xilinx Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, incorporated herein by reference.
*/
#ifndef EF100_MAE_H
#define EF100_MAE_H
/* MCDI interface for the ef100 Match-Action Engine */
#include <net/devlink.h>
#include "net_driver.h"
#include "tc.h"
#include "mcdi_pcol.h" /* needed for various MC_CMD_MAE_*_NULL defines */
int efx_mae_allocate_mport(struct efx_nic *efx, u32 *id, u32 *label);
int efx_mae_free_mport(struct efx_nic *efx, u32 id);
void efx_mae_mport_wire(struct efx_nic *efx, u32 *out);
void efx_mae_mport_uplink(struct efx_nic *efx, u32 *out);
void efx_mae_mport_vf(struct efx_nic *efx, u32 vf_id, u32 *out);
void efx_mae_mport_mport(struct efx_nic *efx, u32 mport_id, u32 *out);
int efx_mae_lookup_mport(struct efx_nic *efx, u32 selector, u32 *id);
struct mae_mport_desc {
u32 mport_id;
u32 flags;
u32 caller_flags; /* enum mae_mport_desc_caller_flags */
u32 mport_type; /* MAE_MPORT_DESC_MPORT_TYPE_* */
union {
u32 port_idx; /* for mport_type == NET_PORT */
u32 alias_mport_id; /* for mport_type == ALIAS */
struct { /* for mport_type == VNIC */
u32 vnic_client_type; /* MAE_MPORT_DESC_VNIC_CLIENT_TYPE_* */
u32 interface_idx;
u16 pf_idx;
u16 vf_idx;
};
};
struct rhash_head linkage;
struct devlink_port dl_port;
};
int efx_mae_enumerate_mports(struct efx_nic *efx);
struct mae_mport_desc *efx_mae_get_mport(struct efx_nic *efx, u32 mport_id);
void efx_mae_put_mport(struct efx_nic *efx, struct mae_mport_desc *desc);
/**
* struct efx_mae - MAE information
*
* @efx: The associated NIC
* @mports_ht: m-port descriptions from MC_CMD_MAE_MPORT_READ_JOURNAL
*/
struct efx_mae {
struct efx_nic *efx;
struct rhashtable mports_ht;
};
int efx_mae_start_counters(struct efx_nic *efx, struct efx_rx_queue *rx_queue);
int efx_mae_stop_counters(struct efx_nic *efx, struct efx_rx_queue *rx_queue);
void efx_mae_counters_grant_credits(struct work_struct *work);
int efx_mae_get_tables(struct efx_nic *efx);
void efx_mae_free_tables(struct efx_nic *efx);
#define MAE_NUM_FIELDS (MAE_FIELD_ENC_VNET_ID + 1)
struct mae_caps {
u32 match_field_count;
u32 encap_types;
u32 action_prios;
u8 action_rule_fields[MAE_NUM_FIELDS];
u8 outer_rule_fields[MAE_NUM_FIELDS];
};
int efx_mae_get_caps(struct efx_nic *efx, struct mae_caps *caps);
int efx_mae_match_check_caps(struct efx_nic *efx,
const struct efx_tc_match_fields *mask,
struct netlink_ext_ack *extack);
int efx_mae_check_encap_match_caps(struct efx_nic *efx, bool ipv6,
u8 ip_tos_mask, __be16 udp_sport_mask,
struct netlink_ext_ack *extack);
int efx_mae_check_encap_type_supported(struct efx_nic *efx,
enum efx_encap_type typ);
int efx_mae_allocate_counter(struct efx_nic *efx, struct efx_tc_counter *cnt);
int efx_mae_free_counter(struct efx_nic *efx, struct efx_tc_counter *cnt);
int efx_mae_allocate_encap_md(struct efx_nic *efx,
struct efx_tc_encap_action *encap);
int efx_mae_update_encap_md(struct efx_nic *efx,
struct efx_tc_encap_action *encap);
int efx_mae_free_encap_md(struct efx_nic *efx,
struct efx_tc_encap_action *encap);
int efx_mae_alloc_action_set(struct efx_nic *efx, struct efx_tc_action_set *act);
int efx_mae_free_action_set(struct efx_nic *efx, u32 fw_id);
int efx_mae_alloc_action_set_list(struct efx_nic *efx,
struct efx_tc_action_set_list *acts);
int efx_mae_free_action_set_list(struct efx_nic *efx,
struct efx_tc_action_set_list *acts);
int efx_mae_register_encap_match(struct efx_nic *efx,
struct efx_tc_encap_match *encap);
int efx_mae_unregister_encap_match(struct efx_nic *efx,
struct efx_tc_encap_match *encap);
int efx_mae_insert_rule(struct efx_nic *efx, const struct efx_tc_match *match,
u32 prio, u32 acts_id, u32 *id);
int efx_mae_update_rule(struct efx_nic *efx, u32 acts_id, u32 id);
int efx_mae_delete_rule(struct efx_nic *efx, u32 id);
int efx_init_mae(struct efx_nic *efx);
void efx_fini_mae(struct efx_nic *efx);
void efx_mae_remove_mport(void *desc, void *arg);
int efx_mae_fw_lookup_mport(struct efx_nic *efx, u32 selector, u32 *id);
int efx_mae_lookup_mport(struct efx_nic *efx, u32 vf, u32 *id);
#endif /* EF100_MAE_H */
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