1/* SPDX-License-Identifier: GPL-2.0-only */
  2/****************************************************************************
  3 * Driver for Solarflare network controllers and boards
  4 * Copyright 2019 Solarflare Communications Inc.
  5 * Copyright 2020-2022 Xilinx Inc.
  6 *
  7 * This program is free software; you can redistribute it and/or modify it
  8 * under the terms of the GNU General Public License version 2 as published
  9 * by the Free Software Foundation, incorporated herein by reference.
 10 */
 11
 12#ifndef EF100_MAE_H
 13#define EF100_MAE_H
 14/* MCDI interface for the ef100 Match-Action Engine */
 15
 16#include <net/devlink.h>
 17#include "net_driver.h"
 18#include "tc.h"
 19#include "mcdi_pcol.h" /* needed for various MC_CMD_MAE_*_NULL defines */
 20
 21int efx_mae_allocate_mport(struct efx_nic *efx, u32 *id, u32 *label);
 22int efx_mae_free_mport(struct efx_nic *efx, u32 id);
 23
 24void efx_mae_mport_wire(struct efx_nic *efx, u32 *out);
 25void efx_mae_mport_uplink(struct efx_nic *efx, u32 *out);
 26void efx_mae_mport_mport(struct efx_nic *efx, u32 mport_id, u32 *out);
 27
 28int efx_mae_lookup_mport(struct efx_nic *efx, u32 selector, u32 *id);
 29
 30struct mae_mport_desc {
 31	u32 mport_id;
 32	u32 flags;
 33	u32 caller_flags; /* enum mae_mport_desc_caller_flags */
 34	u32 mport_type; /* MAE_MPORT_DESC_MPORT_TYPE_* */
 35	union {
 36		u32 port_idx; /* for mport_type == NET_PORT */
 37		u32 alias_mport_id; /* for mport_type == ALIAS */
 38		struct { /* for mport_type == VNIC */
 39			u32 vnic_client_type; /* MAE_MPORT_DESC_VNIC_CLIENT_TYPE_* */
 40			u32 interface_idx;
 41			u16 pf_idx;
 42			u16 vf_idx;
 43		};
 44	};
 45	struct rhash_head linkage;
 46	struct devlink_port dl_port;
 47};
 48
 49int efx_mae_enumerate_mports(struct efx_nic *efx);
 50struct mae_mport_desc *efx_mae_get_mport(struct efx_nic *efx, u32 mport_id);
 51void efx_mae_put_mport(struct efx_nic *efx, struct mae_mport_desc *desc);
 52
 53/**
 54 * struct efx_mae - MAE information
 55 *
 56 * @efx: The associated NIC
 57 * @mports_ht: m-port descriptions from MC_CMD_MAE_MPORT_READ_JOURNAL
 58 */
 59struct efx_mae {
 60	struct efx_nic *efx;
 61	struct rhashtable mports_ht;
 62};
 63
 64int efx_mae_start_counters(struct efx_nic *efx, struct efx_rx_queue *rx_queue);
 65int efx_mae_stop_counters(struct efx_nic *efx, struct efx_rx_queue *rx_queue);
 66void efx_mae_counters_grant_credits(struct work_struct *work);
 67
 68int efx_mae_get_tables(struct efx_nic *efx);
 69void efx_mae_free_tables(struct efx_nic *efx);
 70
 71#define MAE_NUM_FIELDS	(MAE_FIELD_ENC_VNET_ID + 1)
 72
 73struct mae_caps {
 74	u32 match_field_count;
 75	u32 encap_types;
 76	u32 action_prios;
 77	u8 action_rule_fields[MAE_NUM_FIELDS];
 78	u8 outer_rule_fields[MAE_NUM_FIELDS];
 79};
 80
 81int efx_mae_get_caps(struct efx_nic *efx, struct mae_caps *caps);
 82
 83int efx_mae_match_check_caps(struct efx_nic *efx,
 84			     const struct efx_tc_match_fields *mask,
 85			     struct netlink_ext_ack *extack);
 86int efx_mae_match_check_caps_lhs(struct efx_nic *efx,
 87				 const struct efx_tc_match_fields *mask,
 88				 struct netlink_ext_ack *extack);
 89int efx_mae_check_encap_match_caps(struct efx_nic *efx, bool ipv6,
 90				   u8 ip_tos_mask, __be16 udp_sport_mask,
 91				   struct netlink_ext_ack *extack);
 92int efx_mae_check_encap_type_supported(struct efx_nic *efx,
 93				       enum efx_encap_type typ);
 94
 95int efx_mae_allocate_counter(struct efx_nic *efx, struct efx_tc_counter *cnt);
 96int efx_mae_free_counter(struct efx_nic *efx, struct efx_tc_counter *cnt);
 97
 98int efx_mae_allocate_encap_md(struct efx_nic *efx,
 99			      struct efx_tc_encap_action *encap);
100int efx_mae_update_encap_md(struct efx_nic *efx,
101			    struct efx_tc_encap_action *encap);
102int efx_mae_free_encap_md(struct efx_nic *efx,
103			  struct efx_tc_encap_action *encap);
104
105int efx_mae_allocate_pedit_mac(struct efx_nic *efx,
106			       struct efx_tc_mac_pedit_action *ped);
107void efx_mae_free_pedit_mac(struct efx_nic *efx,
108			    struct efx_tc_mac_pedit_action *ped);
109int efx_mae_alloc_action_set(struct efx_nic *efx, struct efx_tc_action_set *act);
110int efx_mae_free_action_set(struct efx_nic *efx, u32 fw_id);
111
112int efx_mae_alloc_action_set_list(struct efx_nic *efx,
113				  struct efx_tc_action_set_list *acts);
114int efx_mae_free_action_set_list(struct efx_nic *efx,
115				 struct efx_tc_action_set_list *acts);
116
117int efx_mae_register_encap_match(struct efx_nic *efx,
118				 struct efx_tc_encap_match *encap);
119int efx_mae_unregister_encap_match(struct efx_nic *efx,
120				   struct efx_tc_encap_match *encap);
121int efx_mae_insert_lhs_rule(struct efx_nic *efx, struct efx_tc_lhs_rule *rule,
122			    u32 prio);
123int efx_mae_remove_lhs_rule(struct efx_nic *efx, struct efx_tc_lhs_rule *rule);
124struct efx_tc_ct_entry; /* see tc_conntrack.h */
125int efx_mae_insert_ct(struct efx_nic *efx, struct efx_tc_ct_entry *conn);
126int efx_mae_remove_ct(struct efx_nic *efx, struct efx_tc_ct_entry *conn);
127
128int efx_mae_insert_rule(struct efx_nic *efx, const struct efx_tc_match *match,
129			u32 prio, u32 acts_id, u32 *id);
130int efx_mae_update_rule(struct efx_nic *efx, u32 acts_id, u32 id);
131int efx_mae_delete_rule(struct efx_nic *efx, u32 id);
132
133int efx_init_mae(struct efx_nic *efx);
134void efx_fini_mae(struct efx_nic *efx);
135void efx_mae_remove_mport(void *desc, void *arg);
136int efx_mae_fw_lookup_mport(struct efx_nic *efx, u32 selector, u32 *id);
137int efx_mae_lookup_mport(struct efx_nic *efx, u32 vf, u32 *id);
138#endif /* EF100_MAE_H */