xref: /linux/drivers/net/ethernet/sfc/mae.h (revision dd093fb0)
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_driver.h"
17 #include "tc.h"
18 #include "mcdi_pcol.h" /* needed for various MC_CMD_MAE_*_NULL defines */
19 
20 int efx_mae_allocate_mport(struct efx_nic *efx, u32 *id, u32 *label);
21 int efx_mae_free_mport(struct efx_nic *efx, u32 id);
22 
23 void efx_mae_mport_wire(struct efx_nic *efx, u32 *out);
24 void efx_mae_mport_uplink(struct efx_nic *efx, u32 *out);
25 void efx_mae_mport_vf(struct efx_nic *efx, u32 vf_id, u32 *out);
26 void efx_mae_mport_mport(struct efx_nic *efx, u32 mport_id, u32 *out);
27 
28 int efx_mae_lookup_mport(struct efx_nic *efx, u32 selector, u32 *id);
29 
30 int efx_mae_start_counters(struct efx_nic *efx, struct efx_rx_queue *rx_queue);
31 int efx_mae_stop_counters(struct efx_nic *efx, struct efx_rx_queue *rx_queue);
32 void efx_mae_counters_grant_credits(struct work_struct *work);
33 
34 #define MAE_NUM_FIELDS	(MAE_FIELD_ENC_VNET_ID + 1)
35 
36 struct mae_caps {
37 	u32 match_field_count;
38 	u32 action_prios;
39 	u8 action_rule_fields[MAE_NUM_FIELDS];
40 };
41 
42 int efx_mae_get_caps(struct efx_nic *efx, struct mae_caps *caps);
43 
44 int efx_mae_match_check_caps(struct efx_nic *efx,
45 			     const struct efx_tc_match_fields *mask,
46 			     struct netlink_ext_ack *extack);
47 
48 int efx_mae_allocate_counter(struct efx_nic *efx, struct efx_tc_counter *cnt);
49 int efx_mae_free_counter(struct efx_nic *efx, struct efx_tc_counter *cnt);
50 
51 int efx_mae_alloc_action_set(struct efx_nic *efx, struct efx_tc_action_set *act);
52 int efx_mae_free_action_set(struct efx_nic *efx, u32 fw_id);
53 
54 int efx_mae_alloc_action_set_list(struct efx_nic *efx,
55 				  struct efx_tc_action_set_list *acts);
56 int efx_mae_free_action_set_list(struct efx_nic *efx,
57 				 struct efx_tc_action_set_list *acts);
58 
59 int efx_mae_insert_rule(struct efx_nic *efx, const struct efx_tc_match *match,
60 			u32 prio, u32 acts_id, u32 *id);
61 int efx_mae_delete_rule(struct efx_nic *efx, u32 id);
62 
63 #endif /* EF100_MAE_H */
64