| 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 | |
| 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 | |
| 24 | void efx_mae_mport_wire(struct efx_nic *efx, u32 *out); |
| 25 | void efx_mae_mport_uplink(struct efx_nic *efx, u32 *out); |
| 26 | void efx_mae_mport_vf(struct efx_nic *efx, u32 vf_id, u32 *out); |
| 27 | void efx_mae_mport_mport(struct efx_nic *efx, u32 mport_id, u32 *out); |
| 28 | |
| 29 | int efx_mae_lookup_mport(struct efx_nic *efx, u32 selector, u32 *id); |
| 30 | |
| 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; |
| 47 | struct devlink_port dl_port; |
| 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 | |
| 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 | |
| 69 | int efx_mae_get_tables(struct efx_nic *efx); |
| 70 | void efx_mae_free_tables(struct efx_nic *efx); |
| 71 | |
| 72 | #define MAE_NUM_FIELDS (MAE_FIELD_ENC_VNET_ID + 1) |
| 73 | |
| 74 | struct mae_caps { |
| 75 | u32 match_field_count; |
| 76 | u32 encap_types; |
| 77 | u32 action_prios; |
| 78 | u8 action_rule_fields[MAE_NUM_FIELDS]; |
| 79 | u8 outer_rule_fields[MAE_NUM_FIELDS]; |
| 80 | }; |
| 81 | |
| 82 | int efx_mae_get_caps(struct efx_nic *efx, struct mae_caps *caps); |
| 83 | |
| 84 | int efx_mae_match_check_caps(struct efx_nic *efx, |
| 85 | const struct efx_tc_match_fields *mask, |
| 86 | struct netlink_ext_ack *extack); |
| 87 | int efx_mae_match_check_caps_lhs(struct efx_nic *efx, |
| 88 | const struct efx_tc_match_fields *mask, |
| 89 | struct netlink_ext_ack *extack); |
| 90 | int efx_mae_check_encap_match_caps(struct efx_nic *efx, bool ipv6, |
| 91 | u8 ip_tos_mask, __be16 udp_sport_mask, |
| 92 | struct netlink_ext_ack *extack); |
| 93 | int efx_mae_check_encap_type_supported(struct efx_nic *efx, |
| 94 | enum efx_encap_type typ); |
| 95 | |
| 96 | int efx_mae_allocate_counter(struct efx_nic *efx, struct efx_tc_counter *cnt); |
| 97 | int efx_mae_free_counter(struct efx_nic *efx, struct efx_tc_counter *cnt); |
| 98 | |
| 99 | int efx_mae_allocate_encap_md(struct efx_nic *efx, |
| 100 | struct efx_tc_encap_action *encap); |
| 101 | int efx_mae_update_encap_md(struct efx_nic *efx, |
| 102 | struct efx_tc_encap_action *encap); |
| 103 | int efx_mae_free_encap_md(struct efx_nic *efx, |
| 104 | struct efx_tc_encap_action *encap); |
| 105 | |
| 106 | int efx_mae_allocate_pedit_mac(struct efx_nic *efx, |
| 107 | struct efx_tc_mac_pedit_action *ped); |
| 108 | void efx_mae_free_pedit_mac(struct efx_nic *efx, |
| 109 | struct efx_tc_mac_pedit_action *ped); |
| 110 | int efx_mae_alloc_action_set(struct efx_nic *efx, struct efx_tc_action_set *act); |
| 111 | int efx_mae_free_action_set(struct efx_nic *efx, u32 fw_id); |
| 112 | |
| 113 | int efx_mae_alloc_action_set_list(struct efx_nic *efx, |
| 114 | struct efx_tc_action_set_list *acts); |
| 115 | int efx_mae_free_action_set_list(struct efx_nic *efx, |
| 116 | struct efx_tc_action_set_list *acts); |
| 117 | |
| 118 | int efx_mae_register_encap_match(struct efx_nic *efx, |
| 119 | struct efx_tc_encap_match *encap); |
| 120 | int efx_mae_unregister_encap_match(struct efx_nic *efx, |
| 121 | struct efx_tc_encap_match *encap); |
| 122 | int efx_mae_insert_lhs_rule(struct efx_nic *efx, struct efx_tc_lhs_rule *rule, |
| 123 | u32 prio); |
| 124 | int efx_mae_remove_lhs_rule(struct efx_nic *efx, struct efx_tc_lhs_rule *rule); |
| 125 | struct efx_tc_ct_entry; /* see tc_conntrack.h */ |
| 126 | int efx_mae_insert_ct(struct efx_nic *efx, struct efx_tc_ct_entry *conn); |
| 127 | int efx_mae_remove_ct(struct efx_nic *efx, struct efx_tc_ct_entry *conn); |
| 128 | |
| 129 | int efx_mae_insert_rule(struct efx_nic *efx, const struct efx_tc_match *match, |
| 130 | u32 prio, u32 acts_id, u32 *id); |
| 131 | int efx_mae_update_rule(struct efx_nic *efx, u32 acts_id, u32 id); |
| 132 | int efx_mae_delete_rule(struct efx_nic *efx, u32 id); |
| 133 | |
| 134 | int efx_init_mae(struct efx_nic *efx); |
| 135 | void efx_fini_mae(struct efx_nic *efx); |
| 136 | void efx_mae_remove_mport(void *desc, void *arg); |
| 137 | int efx_mae_fw_lookup_mport(struct efx_nic *efx, u32 selector, u32 *id); |
| 138 | int efx_mae_lookup_mport(struct efx_nic *efx, u32 vf, u32 *id); |
| 139 | #endif /* EF100_MAE_H */ |