1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 #ifndef _ICE_SWITCH_H_ 5 #define _ICE_SWITCH_H_ 6 7 #include "ice_common.h" 8 9 #define ICE_SW_CFG_MAX_BUF_LEN 2048 10 #define ICE_DFLT_VSI_INVAL 0xff 11 #define ICE_VSI_INVAL_ID 0xffff 12 13 /* VSI context structure for add/get/update/free operations */ 14 struct ice_vsi_ctx { 15 u16 vsi_num; 16 u16 vsis_allocd; 17 u16 vsis_unallocated; 18 u16 flags; 19 struct ice_aqc_vsi_props info; 20 u8 alloc_from_pool; 21 }; 22 23 enum ice_sw_fwd_act_type { 24 ICE_FWD_TO_VSI = 0, 25 ICE_FWD_TO_VSI_LIST, /* Do not use this when adding filter */ 26 ICE_FWD_TO_Q, 27 ICE_FWD_TO_QGRP, 28 ICE_DROP_PACKET, 29 ICE_INVAL_ACT 30 }; 31 32 /* Switch recipe ID enum values are specific to hardware */ 33 enum ice_sw_lkup_type { 34 ICE_SW_LKUP_ETHERTYPE = 0, 35 ICE_SW_LKUP_MAC = 1, 36 ICE_SW_LKUP_MAC_VLAN = 2, 37 ICE_SW_LKUP_PROMISC = 3, 38 ICE_SW_LKUP_VLAN = 4, 39 ICE_SW_LKUP_DFLT = 5, 40 ICE_SW_LKUP_ETHERTYPE_MAC = 8, 41 ICE_SW_LKUP_PROMISC_VLAN = 9, 42 }; 43 44 struct ice_fltr_info { 45 /* Look up information: how to look up packet */ 46 enum ice_sw_lkup_type lkup_type; 47 /* Forward action: filter action to do after lookup */ 48 enum ice_sw_fwd_act_type fltr_act; 49 /* rule ID returned by firmware once filter rule is created */ 50 u16 fltr_rule_id; 51 u16 flag; 52 #define ICE_FLTR_RX BIT(0) 53 #define ICE_FLTR_TX BIT(1) 54 #define ICE_FLTR_TX_RX (ICE_FLTR_RX | ICE_FLTR_TX) 55 56 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 57 u16 src; 58 59 union { 60 struct { 61 u8 mac_addr[ETH_ALEN]; 62 } mac; 63 struct { 64 u8 mac_addr[ETH_ALEN]; 65 u16 vlan_id; 66 } mac_vlan; 67 struct { 68 u16 vlan_id; 69 } vlan; 70 /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE 71 * if just using ethertype as filter. Set lkup_type as 72 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be 73 * passed in as filter. 74 */ 75 struct { 76 u16 ethertype; 77 u8 mac_addr[ETH_ALEN]; /* optional */ 78 } ethertype_mac; 79 } l_data; 80 81 /* Depending on filter action */ 82 union { 83 /* queue id in case of ICE_FWD_TO_Q and starting 84 * queue id in case of ICE_FWD_TO_QGRP. 85 */ 86 u16 q_id:11; 87 u16 vsi_id:10; 88 u16 vsi_list_id:10; 89 } fwd_id; 90 91 /* Set to num_queues if action is ICE_FWD_TO_QGRP. This field 92 * determines the range of queues the packet needs to be forwarded to 93 */ 94 u8 qgrp_size; 95 96 /* Rule creations populate these indicators basing on the switch type */ 97 u8 lb_en; /* Indicate if packet can be looped back */ 98 u8 lan_en; /* Indicate if packet can be forwarded to the uplink */ 99 }; 100 101 /* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list id */ 102 struct ice_vsi_list_map_info { 103 struct list_head list_entry; 104 DECLARE_BITMAP(vsi_map, ICE_MAX_VSI); 105 u16 vsi_list_id; 106 }; 107 108 enum ice_sw_fltr_status { 109 ICE_FLTR_STATUS_NEW = 0, 110 ICE_FLTR_STATUS_FW_SUCCESS, 111 ICE_FLTR_STATUS_FW_FAIL, 112 }; 113 114 struct ice_fltr_list_entry { 115 struct list_head list_entry; 116 enum ice_sw_fltr_status status; 117 struct ice_fltr_info fltr_info; 118 }; 119 120 /* This defines an entry in the list that maintains MAC or VLAN membership 121 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or 122 * VLAN. As an optimization the VSI list should be created only when a 123 * second VSI becomes a subscriber to the VLAN address. 124 */ 125 struct ice_fltr_mgmt_list_entry { 126 /* back pointer to VSI list id to VSI list mapping */ 127 struct ice_vsi_list_map_info *vsi_list_info; 128 u16 vsi_count; 129 #define ICE_INVAL_LG_ACT_INDEX 0xffff 130 u16 lg_act_idx; 131 #define ICE_INVAL_SW_MARKER_ID 0xffff 132 u16 sw_marker_id; 133 struct list_head list_entry; 134 struct ice_fltr_info fltr_info; 135 #define ICE_INVAL_COUNTER_ID 0xff 136 u8 counter_index; 137 }; 138 139 /* VSI related commands */ 140 enum ice_status 141 ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 142 struct ice_sq_cd *cd); 143 enum ice_status 144 ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 145 struct ice_sq_cd *cd); 146 enum ice_status 147 ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 148 bool keep_vsi_alloc, struct ice_sq_cd *cd); 149 150 enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw); 151 152 /* Switch/bridge related commands */ 153 enum ice_status ice_add_mac(struct ice_hw *hw, struct list_head *m_lst); 154 enum ice_status ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst); 155 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_id); 156 enum ice_status ice_add_vlan(struct ice_hw *hw, struct list_head *m_list); 157 enum ice_status ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list); 158 enum ice_status 159 ice_cfg_dflt_vsi(struct ice_hw *hw, u16 vsi_id, bool set, u8 direction); 160 161 #endif /* _ICE_SWITCH_H_ */ 162