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 EFX_TC_H 13 #define EFX_TC_H 14 #include "net_driver.h" 15 16 struct efx_tc_action_set { 17 u16 deliver:1; 18 u32 dest_mport; 19 u32 fw_id; /* index of this entry in firmware actions table */ 20 struct list_head list; 21 }; 22 23 struct efx_tc_match_fields { 24 /* L1 */ 25 u32 ingress_port; 26 }; 27 28 struct efx_tc_match { 29 struct efx_tc_match_fields value; 30 struct efx_tc_match_fields mask; 31 }; 32 33 struct efx_tc_action_set_list { 34 struct list_head list; 35 u32 fw_id; 36 }; 37 38 struct efx_tc_flow_rule { 39 struct efx_tc_match match; 40 struct efx_tc_action_set_list acts; 41 u32 fw_id; 42 }; 43 44 enum efx_tc_rule_prios { 45 EFX_TC_PRIO_DFLT, /* Default switch rule; one of efx_tc_default_rules */ 46 EFX_TC_PRIO__NUM 47 }; 48 49 /** 50 * struct efx_tc_state - control plane data for TC offload 51 * 52 * @reps_mport_id: MAE port allocated for representor RX 53 * @reps_filter_uc: VNIC filter for representor unicast RX (promisc) 54 * @reps_filter_mc: VNIC filter for representor multicast RX (allmulti) 55 * @reps_mport_vport_id: vport_id for representor RX filters 56 * @dflt: Match-action rules for default switching; at priority 57 * %EFX_TC_PRIO_DFLT. Named by *ingress* port 58 * @dflt.pf: rule for traffic ingressing from PF (egresses to wire) 59 * @dflt.wire: rule for traffic ingressing from wire (egresses to PF) 60 */ 61 struct efx_tc_state { 62 u32 reps_mport_id, reps_mport_vport_id; 63 s32 reps_filter_uc, reps_filter_mc; 64 struct { 65 struct efx_tc_flow_rule pf; 66 struct efx_tc_flow_rule wire; 67 } dflt; 68 }; 69 70 struct efx_rep; 71 72 int efx_tc_configure_default_rule_rep(struct efx_rep *efv); 73 void efx_tc_deconfigure_default_rule(struct efx_nic *efx, 74 struct efx_tc_flow_rule *rule); 75 76 int efx_tc_insert_rep_filters(struct efx_nic *efx); 77 void efx_tc_remove_rep_filters(struct efx_nic *efx); 78 79 int efx_init_tc(struct efx_nic *efx); 80 void efx_fini_tc(struct efx_nic *efx); 81 82 int efx_init_struct_tc(struct efx_nic *efx); 83 void efx_fini_struct_tc(struct efx_nic *efx); 84 85 #endif /* EFX_TC_H */ 86