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 */ 140