[linux-block.git] / drivers / net / ethernet / sfc / mae.h

/* 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);

#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 */
Commit	Line	Data
da56552d EC	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
25414b2a	16	#include <net/devlink.h>
da56552d	17	#include "net_driver.h"
67ab160e EC	18	#include "tc.h"
67ab160e EC	19	#include "mcdi_pcol.h" /* needed for various MC_CMD_MAE__NULL defines /
da56552d	20
e37f3b15 EC	21	int efx_mae_allocate_mport(struct efx_nic efx, u32 id, u32 *label);
	22	int efx_mae_free_mport(struct efx_nic *efx, u32 id);
	23
6f6838aa	24	void efx_mae_mport_wire(struct efx_nic efx, u32 out);
67ab160e	25	void efx_mae_mport_uplink(struct efx_nic efx, u32 out);
da56552d	26	void efx_mae_mport_vf(struct efx_nic efx, u32 vf_id, u32 out);
67ab160e	27	void efx_mae_mport_mport(struct efx_nic efx, u32 mport_id, u32 out);
da56552d EC	28
	29	int efx_mae_lookup_mport(struct efx_nic efx, u32 selector, u32 id);
	30
a6a15aca AL	31	struct mae_mport_desc {
	32	u32 mport_id;
	33	u32 flags;
	34	u32 caller_flags; /* enum mae_mport_desc_caller_flags */
	35	u32 mport_type; /* MAE_MPORT_DESC_MPORT_TYPE_* */
	36	union {
	37	u32 port_idx; /* for mport_type == NET_PORT */
	38	u32 alias_mport_id; /* for mport_type == ALIAS */
	39	struct { /* for mport_type == VNIC */
	40	u32 vnic_client_type; /* MAE_MPORT_DESC_VNIC_CLIENT_TYPE_* */
	41	u32 interface_idx;
	42	u16 pf_idx;
	43	u16 vf_idx;
	44	};
	45	};
	46	struct rhash_head linkage;
25414b2a	47	struct devlink_port dl_port;
a6a15aca AL	48	};
	49
	50	int efx_mae_enumerate_mports(struct efx_nic *efx);
	51	struct mae_mport_desc efx_mae_get_mport(struct efx_nic efx, u32 mport_id);
	52	void efx_mae_put_mport(struct efx_nic efx, struct mae_mport_desc desc);
	53
	54	/**
	55	* struct efx_mae - MAE information
	56	*
	57	* @efx: The associated NIC
	58	* @mports_ht: m-port descriptions from MC_CMD_MAE_MPORT_READ_JOURNAL
	59	*/
	60	struct efx_mae {
	61	struct efx_nic *efx;
	62	struct rhashtable mports_ht;
	63	};
	64
e5731274 EC	65	int efx_mae_start_counters(struct efx_nic efx, struct efx_rx_queue rx_queue);
	66	int efx_mae_stop_counters(struct efx_nic efx, struct efx_rx_queue rx_queue);
	67	void efx_mae_counters_grant_credits(struct work_struct *work);
	68
7ce3e235 EC	69	#define MAE_NUM_FIELDS (MAE_FIELD_ENC_VNET_ID + 1)
	70
	71	struct mae_caps {
	72	u32 match_field_count;
17654d84	73	u32 encap_types;
7ce3e235 EC	74	u32 action_prios;
7ce3e235 EC	75	u8 action_rule_fields[MAE_NUM_FIELDS];
b9d5c9b7	76	u8 outer_rule_fields[MAE_NUM_FIELDS];
7ce3e235 EC	77	};
	78
	79	int efx_mae_get_caps(struct efx_nic efx, struct mae_caps caps);
	80
d902e1a7 EC	81	int efx_mae_match_check_caps(struct efx_nic *efx,
	82	const struct efx_tc_match_fields *mask,
	83	struct netlink_ext_ack *extack);
b9d5c9b7	84	int efx_mae_check_encap_match_caps(struct efx_nic *efx, bool ipv6,
b6583d5e	85	u8 ip_tos_mask, __be16 udp_sport_mask,
b9d5c9b7	86	struct netlink_ext_ack *extack);
17654d84 EC	87	int efx_mae_check_encap_type_supported(struct efx_nic *efx,
17654d84 EC	88	enum efx_encap_type typ);
d902e1a7	89
0363aa29 EC	90	int efx_mae_allocate_counter(struct efx_nic efx, struct efx_tc_counter cnt);
	91	int efx_mae_free_counter(struct efx_nic efx, struct efx_tc_counter cnt);
	92
f1363154 EC	93	int efx_mae_allocate_encap_md(struct efx_nic *efx,
	94	struct efx_tc_encap_action *encap);
	95	int efx_mae_update_encap_md(struct efx_nic *efx,
	96	struct efx_tc_encap_action *encap);
	97	int efx_mae_free_encap_md(struct efx_nic *efx,
	98	struct efx_tc_encap_action *encap);
	99
67ab160e EC	100	int efx_mae_alloc_action_set(struct efx_nic efx, struct efx_tc_action_set act);
	101	int efx_mae_free_action_set(struct efx_nic *efx, u32 fw_id);
	102
	103	int efx_mae_alloc_action_set_list(struct efx_nic *efx,
	104	struct efx_tc_action_set_list *acts);
	105	int efx_mae_free_action_set_list(struct efx_nic *efx,
	106	struct efx_tc_action_set_list *acts);
	107
2245eb00 EC	108	int efx_mae_register_encap_match(struct efx_nic *efx,
	109	struct efx_tc_encap_match *encap);
	110	int efx_mae_unregister_encap_match(struct efx_nic *efx,
	111	struct efx_tc_encap_match *encap);
	112
67ab160e EC	113	int efx_mae_insert_rule(struct efx_nic efx, const struct efx_tc_match match,
67ab160e EC	114	u32 prio, u32 acts_id, u32 *id);
69819d3b	115	int efx_mae_update_rule(struct efx_nic *efx, u32 acts_id, u32 id);
67ab160e EC	116	int efx_mae_delete_rule(struct efx_nic *efx, u32 id);
67ab160e EC	117
a6a15aca AL	118	int efx_init_mae(struct efx_nic *efx);
	119	void efx_fini_mae(struct efx_nic *efx);
	120	void efx_mae_remove_mport(void desc, void arg);
5227adff AL	121	int efx_mae_fw_lookup_mport(struct efx_nic efx, u32 selector, u32 id);
5227adff AL	122	int efx_mae_lookup_mport(struct efx_nic efx, u32 vf, u32 id);
da56552d	123	#endif /* EF100_MAE_H */