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 #define ICE_SW_RULE_RX_TX_NO_HDR_SIZE \ 18 (offsetof(struct ice_aqc_sw_rules_elem, pdata.lkup_tx_rx.hdr)) 19 20 /* VSI context structure for add/get/update/free operations */ 21 struct ice_vsi_ctx { 22 u16 vsi_num; 23 u16 vsis_allocd; 24 u16 vsis_unallocated; 25 u16 flags; 26 struct ice_aqc_vsi_props info; 27 struct ice_sched_vsi_info sched; 28 u8 alloc_from_pool; 29 u8 vf_num; 30 u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS]; 31 struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 32 u16 num_rdma_q_entries[ICE_MAX_TRAFFIC_CLASS]; 33 struct ice_q_ctx *rdma_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 34 }; 35 36 /* Switch recipe ID enum values are specific to hardware */ 37 enum ice_sw_lkup_type { 38 ICE_SW_LKUP_ETHERTYPE = 0, 39 ICE_SW_LKUP_MAC = 1, 40 ICE_SW_LKUP_MAC_VLAN = 2, 41 ICE_SW_LKUP_PROMISC = 3, 42 ICE_SW_LKUP_VLAN = 4, 43 ICE_SW_LKUP_DFLT = 5, 44 ICE_SW_LKUP_ETHERTYPE_MAC = 8, 45 ICE_SW_LKUP_PROMISC_VLAN = 9, 46 ICE_SW_LKUP_LAST 47 }; 48 49 /* type of filter src ID */ 50 enum ice_src_id { 51 ICE_SRC_ID_UNKNOWN = 0, 52 ICE_SRC_ID_VSI, 53 ICE_SRC_ID_QUEUE, 54 ICE_SRC_ID_LPORT, 55 }; 56 57 struct ice_fltr_info { 58 /* Look up information: how to look up packet */ 59 enum ice_sw_lkup_type lkup_type; 60 /* Forward action: filter action to do after lookup */ 61 enum ice_sw_fwd_act_type fltr_act; 62 /* rule ID returned by firmware once filter rule is created */ 63 u16 fltr_rule_id; 64 u16 flag; 65 66 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 67 u16 src; 68 enum ice_src_id src_id; 69 70 union { 71 struct { 72 u8 mac_addr[ETH_ALEN]; 73 } mac; 74 struct { 75 u8 mac_addr[ETH_ALEN]; 76 u16 vlan_id; 77 } mac_vlan; 78 struct { 79 u16 vlan_id; 80 u16 tpid; 81 u8 tpid_valid; 82 } vlan; 83 /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE 84 * if just using ethertype as filter. Set lkup_type as 85 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be 86 * passed in as filter. 87 */ 88 struct { 89 u16 ethertype; 90 u8 mac_addr[ETH_ALEN]; /* optional */ 91 } ethertype_mac; 92 } l_data; /* Make sure to zero out the memory of l_data before using 93 * it or only set the data associated with lookup match 94 * rest everything should be zero 95 */ 96 97 /* Depending on filter action */ 98 union { 99 /* queue ID in case of ICE_FWD_TO_Q and starting 100 * queue ID in case of ICE_FWD_TO_QGRP. 101 */ 102 u16 q_id:11; 103 u16 hw_vsi_id:10; 104 u16 vsi_list_id:10; 105 } fwd_id; 106 107 /* Sw VSI handle */ 108 u16 vsi_handle; 109 110 /* Set to num_queues if action is ICE_FWD_TO_QGRP. This field 111 * determines the range of queues the packet needs to be forwarded to. 112 * Note that qgrp_size must be set to a power of 2. 113 */ 114 u8 qgrp_size; 115 116 /* Rule creations populate these indicators basing on the switch type */ 117 u8 lb_en; /* Indicate if packet can be looped back */ 118 u8 lan_en; /* Indicate if packet can be forwarded to the uplink */ 119 }; 120 121 struct ice_update_recipe_lkup_idx_params { 122 u16 rid; 123 u16 fv_idx; 124 bool ignore_valid; 125 u16 mask; 126 bool mask_valid; 127 u8 lkup_idx; 128 }; 129 130 struct ice_adv_lkup_elem { 131 enum ice_protocol_type type; 132 union ice_prot_hdr h_u; /* Header values */ 133 union ice_prot_hdr m_u; /* Mask of header values to match */ 134 }; 135 136 struct ice_sw_act_ctrl { 137 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 138 u16 src; 139 u16 flag; 140 enum ice_sw_fwd_act_type fltr_act; 141 /* Depending on filter action */ 142 union { 143 /* This is a queue ID in case of ICE_FWD_TO_Q and starting 144 * queue ID in case of ICE_FWD_TO_QGRP. 145 */ 146 u16 q_id:11; 147 u16 vsi_id:10; 148 u16 hw_vsi_id:10; 149 u16 vsi_list_id:10; 150 } fwd_id; 151 /* software VSI handle */ 152 u16 vsi_handle; 153 u8 qgrp_size; 154 }; 155 156 struct ice_rule_query_data { 157 /* Recipe ID for which the requested rule was added */ 158 u16 rid; 159 /* Rule ID that was added or is supposed to be removed */ 160 u16 rule_id; 161 /* vsi_handle for which Rule was added or is supposed to be removed */ 162 u16 vsi_handle; 163 }; 164 165 /* This structure allows to pass info about lb_en and lan_en 166 * flags to ice_add_adv_rule. Values in act would be used 167 * only if act_valid was set to true, otherwise default 168 * values would be used. 169 */ 170 struct ice_adv_rule_flags_info { 171 u32 act; 172 u8 act_valid; /* indicate if flags in act are valid */ 173 }; 174 175 struct ice_adv_rule_info { 176 enum ice_sw_tunnel_type tun_type; 177 struct ice_sw_act_ctrl sw_act; 178 u32 priority; 179 u8 rx; /* true means LOOKUP_RX otherwise LOOKUP_TX */ 180 u16 fltr_rule_id; 181 struct ice_adv_rule_flags_info flags_info; 182 }; 183 184 /* A collection of one or more four word recipe */ 185 struct ice_sw_recipe { 186 /* For a chained recipe the root recipe is what should be used for 187 * programming rules 188 */ 189 u8 is_root; 190 u8 root_rid; 191 u8 recp_created; 192 193 /* Number of extraction words */ 194 u8 n_ext_words; 195 /* Protocol ID and Offset pair (extraction word) to describe the 196 * recipe 197 */ 198 struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS]; 199 u16 word_masks[ICE_MAX_CHAIN_WORDS]; 200 201 /* if this recipe is a collection of other recipe */ 202 u8 big_recp; 203 204 /* if this recipe is part of another bigger recipe then chain index 205 * corresponding to this recipe 206 */ 207 u8 chain_idx; 208 209 /* if this recipe is a collection of other recipe then count of other 210 * recipes and recipe IDs of those recipes 211 */ 212 u8 n_grp_count; 213 214 /* Bit map specifying the IDs associated with this group of recipe */ 215 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); 216 217 enum ice_sw_tunnel_type tun_type; 218 219 /* List of type ice_fltr_mgmt_list_entry or adv_rule */ 220 u8 adv_rule; 221 struct list_head filt_rules; 222 struct list_head filt_replay_rules; 223 224 struct mutex filt_rule_lock; /* protect filter rule structure */ 225 226 /* Profiles this recipe should be associated with */ 227 struct list_head fv_list; 228 229 /* Profiles this recipe is associated with */ 230 u8 num_profs, *prof_ids; 231 232 /* Bit map for possible result indexes */ 233 DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS); 234 235 /* This allows user to specify the recipe priority. 236 * For now, this becomes 'fwd_priority' when recipe 237 * is created, usually recipes can have 'fwd' and 'join' 238 * priority. 239 */ 240 u8 priority; 241 242 struct list_head rg_list; 243 244 /* AQ buffer associated with this recipe */ 245 struct ice_aqc_recipe_data_elem *root_buf; 246 /* This struct saves the fv_words for a given lookup */ 247 struct ice_prot_lkup_ext lkup_exts; 248 }; 249 250 /* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */ 251 struct ice_vsi_list_map_info { 252 struct list_head list_entry; 253 DECLARE_BITMAP(vsi_map, ICE_MAX_VSI); 254 u16 vsi_list_id; 255 /* counter to track how many rules are reusing this VSI list */ 256 u16 ref_cnt; 257 }; 258 259 struct ice_fltr_list_entry { 260 struct list_head list_entry; 261 int status; 262 struct ice_fltr_info fltr_info; 263 }; 264 265 /* This defines an entry in the list that maintains MAC or VLAN membership 266 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or 267 * VLAN. As an optimization the VSI list should be created only when a 268 * second VSI becomes a subscriber to the same MAC address. VSI lists are always 269 * used for VLAN membership. 270 */ 271 struct ice_fltr_mgmt_list_entry { 272 /* back pointer to VSI list ID to VSI list mapping */ 273 struct ice_vsi_list_map_info *vsi_list_info; 274 u16 vsi_count; 275 #define ICE_INVAL_LG_ACT_INDEX 0xffff 276 u16 lg_act_idx; 277 #define ICE_INVAL_SW_MARKER_ID 0xffff 278 u16 sw_marker_id; 279 struct list_head list_entry; 280 struct ice_fltr_info fltr_info; 281 #define ICE_INVAL_COUNTER_ID 0xff 282 u8 counter_index; 283 }; 284 285 struct ice_adv_fltr_mgmt_list_entry { 286 struct list_head list_entry; 287 288 struct ice_adv_lkup_elem *lkups; 289 struct ice_adv_rule_info rule_info; 290 u16 lkups_cnt; 291 struct ice_vsi_list_map_info *vsi_list_info; 292 u16 vsi_count; 293 }; 294 295 enum ice_promisc_flags { 296 ICE_PROMISC_UCAST_RX = 0x1, 297 ICE_PROMISC_UCAST_TX = 0x2, 298 ICE_PROMISC_MCAST_RX = 0x4, 299 ICE_PROMISC_MCAST_TX = 0x8, 300 ICE_PROMISC_BCAST_RX = 0x10, 301 ICE_PROMISC_BCAST_TX = 0x20, 302 ICE_PROMISC_VLAN_RX = 0x40, 303 ICE_PROMISC_VLAN_TX = 0x80, 304 }; 305 306 /* VSI related commands */ 307 int 308 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 309 struct ice_sq_cd *cd); 310 int 311 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 312 bool keep_vsi_alloc, struct ice_sq_cd *cd); 313 int 314 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 315 struct ice_sq_cd *cd); 316 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle); 317 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle); 318 void ice_clear_all_vsi_ctx(struct ice_hw *hw); 319 /* Switch config */ 320 int ice_get_initial_sw_cfg(struct ice_hw *hw); 321 322 int 323 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 324 u16 *counter_id); 325 int 326 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 327 u16 counter_id); 328 329 /* Switch/bridge related commands */ 330 int 331 ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, 332 u16 lkups_cnt, struct ice_adv_rule_info *rinfo, 333 struct ice_rule_query_data *added_entry); 334 int ice_update_sw_rule_bridge_mode(struct ice_hw *hw); 335 int ice_add_vlan(struct ice_hw *hw, struct list_head *m_list); 336 int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list); 337 int ice_add_mac(struct ice_hw *hw, struct list_head *m_lst); 338 int ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst); 339 bool ice_mac_fltr_exist(struct ice_hw *hw, u8 *mac, u16 vsi_handle); 340 bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle); 341 int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list); 342 int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list); 343 int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable); 344 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle); 345 346 /* Promisc/defport setup for VSIs */ 347 int ice_cfg_dflt_vsi(struct ice_hw *hw, u16 vsi_handle, bool set, u8 direction); 348 int 349 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 350 u16 vid); 351 int 352 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 353 u16 vid); 354 int 355 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 356 bool rm_vlan_promisc); 357 358 int ice_rem_adv_rule_for_vsi(struct ice_hw *hw, u16 vsi_handle); 359 int 360 ice_rem_adv_rule_by_id(struct ice_hw *hw, 361 struct ice_rule_query_data *remove_entry); 362 363 int ice_init_def_sw_recp(struct ice_hw *hw); 364 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle); 365 366 int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle); 367 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw); 368 369 int 370 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz, 371 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd); 372 int 373 ice_update_recipe_lkup_idx(struct ice_hw *hw, 374 struct ice_update_recipe_lkup_idx_params *params); 375 void ice_change_proto_id_to_dvm(void); 376 #endif /* _ICE_SWITCH_H_ */ 377