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_FLTR_RX BIT(0) 12 #define ICE_FLTR_TX BIT(1) 13 #define ICE_FLTR_TX_RX (ICE_FLTR_RX | ICE_FLTR_TX) 14 #define ICE_VSI_INVAL_ID 0xffff 15 #define ICE_INVAL_Q_HANDLE 0xFFFF 16 17 /* VSI queue context structure */ 18 struct ice_q_ctx { 19 u16 q_handle; 20 }; 21 22 /* VSI context structure for add/get/update/free operations */ 23 struct ice_vsi_ctx { 24 u16 vsi_num; 25 u16 vsis_allocd; 26 u16 vsis_unallocated; 27 u16 flags; 28 struct ice_aqc_vsi_props info; 29 struct ice_sched_vsi_info sched; 30 u8 alloc_from_pool; 31 u8 vf_num; 32 u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS]; 33 struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 34 }; 35 36 enum ice_sw_fwd_act_type { 37 ICE_FWD_TO_VSI = 0, 38 ICE_FWD_TO_VSI_LIST, /* Do not use this when adding filter */ 39 ICE_FWD_TO_Q, 40 ICE_FWD_TO_QGRP, 41 ICE_DROP_PACKET, 42 ICE_INVAL_ACT 43 }; 44 45 /* Switch recipe ID enum values are specific to hardware */ 46 enum ice_sw_lkup_type { 47 ICE_SW_LKUP_ETHERTYPE = 0, 48 ICE_SW_LKUP_MAC = 1, 49 ICE_SW_LKUP_MAC_VLAN = 2, 50 ICE_SW_LKUP_PROMISC = 3, 51 ICE_SW_LKUP_VLAN = 4, 52 ICE_SW_LKUP_DFLT = 5, 53 ICE_SW_LKUP_ETHERTYPE_MAC = 8, 54 ICE_SW_LKUP_PROMISC_VLAN = 9, 55 ICE_SW_LKUP_LAST 56 }; 57 58 /* type of filter src ID */ 59 enum ice_src_id { 60 ICE_SRC_ID_UNKNOWN = 0, 61 ICE_SRC_ID_VSI, 62 ICE_SRC_ID_QUEUE, 63 ICE_SRC_ID_LPORT, 64 }; 65 66 struct ice_fltr_info { 67 /* Look up information: how to look up packet */ 68 enum ice_sw_lkup_type lkup_type; 69 /* Forward action: filter action to do after lookup */ 70 enum ice_sw_fwd_act_type fltr_act; 71 /* rule ID returned by firmware once filter rule is created */ 72 u16 fltr_rule_id; 73 u16 flag; 74 75 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 76 u16 src; 77 enum ice_src_id src_id; 78 79 union { 80 struct { 81 u8 mac_addr[ETH_ALEN]; 82 } mac; 83 struct { 84 u8 mac_addr[ETH_ALEN]; 85 u16 vlan_id; 86 } mac_vlan; 87 struct { 88 u16 vlan_id; 89 } vlan; 90 /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE 91 * if just using ethertype as filter. Set lkup_type as 92 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be 93 * passed in as filter. 94 */ 95 struct { 96 u16 ethertype; 97 u8 mac_addr[ETH_ALEN]; /* optional */ 98 } ethertype_mac; 99 } l_data; /* Make sure to zero out the memory of l_data before using 100 * it or only set the data associated with lookup match 101 * rest everything should be zero 102 */ 103 104 /* Depending on filter action */ 105 union { 106 /* queue ID in case of ICE_FWD_TO_Q and starting 107 * queue ID in case of ICE_FWD_TO_QGRP. 108 */ 109 u16 q_id:11; 110 u16 hw_vsi_id:10; 111 u16 vsi_list_id:10; 112 } fwd_id; 113 114 /* Sw VSI handle */ 115 u16 vsi_handle; 116 117 /* Set to num_queues if action is ICE_FWD_TO_QGRP. This field 118 * determines the range of queues the packet needs to be forwarded to. 119 * Note that qgrp_size must be set to a power of 2. 120 */ 121 u8 qgrp_size; 122 123 /* Rule creations populate these indicators basing on the switch type */ 124 u8 lb_en; /* Indicate if packet can be looped back */ 125 u8 lan_en; /* Indicate if packet can be forwarded to the uplink */ 126 }; 127 128 struct ice_sw_recipe { 129 struct list_head l_entry; 130 131 /* To protect modification of filt_rule list 132 * defined below 133 */ 134 struct mutex filt_rule_lock; 135 136 /* List of type ice_fltr_mgmt_list_entry */ 137 struct list_head filt_rules; 138 struct list_head filt_replay_rules; 139 140 /* linked list of type recipe_list_entry */ 141 struct list_head rg_list; 142 /* linked list of type ice_sw_fv_list_entry*/ 143 struct list_head fv_list; 144 struct ice_aqc_recipe_data_elem *r_buf; 145 u8 recp_count; 146 u8 root_rid; 147 u8 num_profs; 148 u8 *prof_ids; 149 150 /* recipe bitmap: what all recipes makes this recipe */ 151 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); 152 }; 153 154 /* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */ 155 struct ice_vsi_list_map_info { 156 struct list_head list_entry; 157 DECLARE_BITMAP(vsi_map, ICE_MAX_VSI); 158 u16 vsi_list_id; 159 /* counter to track how many rules are reusing this VSI list */ 160 u16 ref_cnt; 161 }; 162 163 struct ice_fltr_list_entry { 164 struct list_head list_entry; 165 enum ice_status status; 166 struct ice_fltr_info fltr_info; 167 }; 168 169 /* This defines an entry in the list that maintains MAC or VLAN membership 170 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or 171 * VLAN. As an optimization the VSI list should be created only when a 172 * second VSI becomes a subscriber to the same MAC address. VSI lists are always 173 * used for VLAN membership. 174 */ 175 struct ice_fltr_mgmt_list_entry { 176 /* back pointer to VSI list ID to VSI list mapping */ 177 struct ice_vsi_list_map_info *vsi_list_info; 178 u16 vsi_count; 179 #define ICE_INVAL_LG_ACT_INDEX 0xffff 180 u16 lg_act_idx; 181 #define ICE_INVAL_SW_MARKER_ID 0xffff 182 u16 sw_marker_id; 183 struct list_head list_entry; 184 struct ice_fltr_info fltr_info; 185 #define ICE_INVAL_COUNTER_ID 0xff 186 u8 counter_index; 187 }; 188 189 enum ice_promisc_flags { 190 ICE_PROMISC_UCAST_RX = 0x1, 191 ICE_PROMISC_UCAST_TX = 0x2, 192 ICE_PROMISC_MCAST_RX = 0x4, 193 ICE_PROMISC_MCAST_TX = 0x8, 194 ICE_PROMISC_BCAST_RX = 0x10, 195 ICE_PROMISC_BCAST_TX = 0x20, 196 ICE_PROMISC_VLAN_RX = 0x40, 197 ICE_PROMISC_VLAN_TX = 0x80, 198 }; 199 200 /* VSI related commands */ 201 enum ice_status 202 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 203 struct ice_sq_cd *cd); 204 enum ice_status 205 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 206 bool keep_vsi_alloc, struct ice_sq_cd *cd); 207 enum ice_status 208 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 209 struct ice_sq_cd *cd); 210 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle); 211 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle); 212 void ice_clear_all_vsi_ctx(struct ice_hw *hw); 213 /* Switch config */ 214 enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw); 215 216 /* Switch/bridge related commands */ 217 enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw); 218 enum ice_status ice_add_mac(struct ice_hw *hw, struct list_head *m_lst); 219 enum ice_status ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst); 220 enum ice_status 221 ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list); 222 enum ice_status 223 ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list); 224 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle); 225 enum ice_status 226 ice_add_vlan(struct ice_hw *hw, struct list_head *m_list); 227 enum ice_status ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list); 228 229 /* Promisc/defport setup for VSIs */ 230 enum ice_status 231 ice_cfg_dflt_vsi(struct ice_hw *hw, u16 vsi_handle, bool set, u8 direction); 232 enum ice_status 233 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 234 u16 vid); 235 enum ice_status 236 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 237 u16 vid); 238 enum ice_status 239 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 240 bool rm_vlan_promisc); 241 242 enum ice_status ice_init_def_sw_recp(struct ice_hw *hw); 243 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle); 244 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle); 245 246 enum ice_status ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle); 247 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw); 248 249 #endif /* _ICE_SWITCH_H_ */ 250