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_ONLY BIT(2) 14 #define ICE_VSI_INVAL_ID 0xffff 15 #define ICE_INVAL_Q_HANDLE 0xFFFF 16 17 /* Switch Profile IDs for Profile related switch rules */ 18 #define ICE_PROFID_IPV4_GTPC_TEID 41 19 #define ICE_PROFID_IPV4_GTPC_NO_TEID 42 20 #define ICE_PROFID_IPV4_GTPU_TEID 43 21 #define ICE_PROFID_IPV6_GTPC_TEID 44 22 #define ICE_PROFID_IPV6_GTPC_NO_TEID 45 23 #define ICE_PROFID_IPV6_GTPU_TEID 46 24 #define ICE_PROFID_IPV6_GTPU_IPV6_TCP_INNER 70 25 #define ICE_PROFID_IPV4_PFCP_NODE 79 26 #define ICE_PROFID_IPV6_PFCP_SESSION 82 27 28 #define ICE_SW_RULE_VSI_LIST_SIZE(s, n) struct_size((s), vsi, (n)) 29 #define ICE_SW_RULE_RX_TX_HDR_SIZE(s, l) struct_size((s), hdr_data, (l)) 30 #define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s) \ 31 ICE_SW_RULE_RX_TX_HDR_SIZE((s), DUMMY_ETH_HDR_LEN) 32 #define ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s) \ 33 ICE_SW_RULE_RX_TX_HDR_SIZE((s), 0) 34 #define ICE_SW_RULE_LG_ACT_SIZE(s, n) struct_size((s), act, (n)) 35 36 #define DUMMY_ETH_HDR_LEN 16 37 38 /* VSI context structure for add/get/update/free operations */ 39 struct ice_vsi_ctx { 40 u16 vsi_num; 41 u16 vsis_allocd; 42 u16 vsis_unallocated; 43 u16 flags; 44 struct ice_aqc_vsi_props info; 45 struct ice_sched_vsi_info sched; 46 u8 alloc_from_pool; 47 u8 vf_num; 48 u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS]; 49 struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 50 u16 num_rdma_q_entries[ICE_MAX_TRAFFIC_CLASS]; 51 struct ice_q_ctx *rdma_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 52 }; 53 54 /* Switch recipe ID enum values are specific to hardware */ 55 enum ice_sw_lkup_type { 56 ICE_SW_LKUP_ETHERTYPE = 0, 57 ICE_SW_LKUP_MAC = 1, 58 ICE_SW_LKUP_MAC_VLAN = 2, 59 ICE_SW_LKUP_PROMISC = 3, 60 ICE_SW_LKUP_VLAN = 4, 61 ICE_SW_LKUP_DFLT = 5, 62 ICE_SW_LKUP_ETHERTYPE_MAC = 8, 63 ICE_SW_LKUP_PROMISC_VLAN = 9, 64 ICE_SW_LKUP_LAST 65 }; 66 67 /* type of filter src ID */ 68 enum ice_src_id { 69 ICE_SRC_ID_UNKNOWN = 0, 70 ICE_SRC_ID_VSI, 71 ICE_SRC_ID_QUEUE, 72 ICE_SRC_ID_LPORT, 73 }; 74 75 struct ice_fltr_info { 76 /* Look up information: how to look up packet */ 77 enum ice_sw_lkup_type lkup_type; 78 /* Forward action: filter action to do after lookup */ 79 enum ice_sw_fwd_act_type fltr_act; 80 /* rule ID returned by firmware once filter rule is created */ 81 u16 fltr_rule_id; 82 u16 flag; 83 84 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 85 u16 src; 86 enum ice_src_id src_id; 87 88 union { 89 struct { 90 u8 mac_addr[ETH_ALEN]; 91 } mac; 92 struct { 93 u8 mac_addr[ETH_ALEN]; 94 u16 vlan_id; 95 } mac_vlan; 96 struct { 97 u16 vlan_id; 98 u16 tpid; 99 u8 tpid_valid; 100 } vlan; 101 /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE 102 * if just using ethertype as filter. Set lkup_type as 103 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be 104 * passed in as filter. 105 */ 106 struct { 107 u16 ethertype; 108 u8 mac_addr[ETH_ALEN]; /* optional */ 109 } ethertype_mac; 110 } l_data; /* Make sure to zero out the memory of l_data before using 111 * it or only set the data associated with lookup match 112 * rest everything should be zero 113 */ 114 115 /* Depending on filter action */ 116 union { 117 /* queue ID in case of ICE_FWD_TO_Q and starting 118 * queue ID in case of ICE_FWD_TO_QGRP. 119 */ 120 u16 q_id:11; 121 u16 hw_vsi_id:10; 122 u16 vsi_list_id:10; 123 } fwd_id; 124 125 /* Sw VSI handle */ 126 u16 vsi_handle; 127 128 /* Set to num_queues if action is ICE_FWD_TO_QGRP. This field 129 * determines the range of queues the packet needs to be forwarded to. 130 * Note that qgrp_size must be set to a power of 2. 131 */ 132 u8 qgrp_size; 133 134 /* Rule creations populate these indicators basing on the switch type */ 135 u8 lb_en; /* Indicate if packet can be looped back */ 136 u8 lan_en; /* Indicate if packet can be forwarded to the uplink */ 137 }; 138 139 struct ice_update_recipe_lkup_idx_params { 140 u16 rid; 141 u16 fv_idx; 142 bool ignore_valid; 143 u16 mask; 144 bool mask_valid; 145 u8 lkup_idx; 146 }; 147 148 struct ice_adv_lkup_elem { 149 enum ice_protocol_type type; 150 union { 151 union ice_prot_hdr h_u; /* Header values */ 152 /* Used to iterate over the headers */ 153 u16 h_raw[sizeof(union ice_prot_hdr) / sizeof(u16)]; 154 }; 155 union { 156 union ice_prot_hdr m_u; /* Mask of header values to match */ 157 /* Used to iterate over header mask */ 158 u16 m_raw[sizeof(union ice_prot_hdr) / sizeof(u16)]; 159 }; 160 }; 161 162 struct ice_sw_act_ctrl { 163 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 164 u16 src; 165 u16 flag; 166 enum ice_sw_fwd_act_type fltr_act; 167 /* Depending on filter action */ 168 union { 169 /* This is a queue ID in case of ICE_FWD_TO_Q and starting 170 * queue ID in case of ICE_FWD_TO_QGRP. 171 */ 172 u16 q_id:11; 173 u16 vsi_id:10; 174 u16 hw_vsi_id:10; 175 u16 vsi_list_id:10; 176 } fwd_id; 177 /* software VSI handle */ 178 u16 vsi_handle; 179 u8 qgrp_size; 180 }; 181 182 struct ice_rule_query_data { 183 /* Recipe ID for which the requested rule was added */ 184 u16 rid; 185 /* Rule ID that was added or is supposed to be removed */ 186 u16 rule_id; 187 /* vsi_handle for which Rule was added or is supposed to be removed */ 188 u16 vsi_handle; 189 }; 190 191 /* This structure allows to pass info about lb_en and lan_en 192 * flags to ice_add_adv_rule. Values in act would be used 193 * only if act_valid was set to true, otherwise default 194 * values would be used. 195 */ 196 struct ice_adv_rule_flags_info { 197 u32 act; 198 u8 act_valid; /* indicate if flags in act are valid */ 199 }; 200 201 struct ice_adv_rule_info { 202 /* Store metadata values in rule info */ 203 enum ice_sw_tunnel_type tun_type; 204 u16 vlan_type; 205 u16 fltr_rule_id; 206 u32 priority; 207 u16 need_pass_l2:1; 208 u16 allow_pass_l2:1; 209 u16 src_vsi; 210 struct ice_sw_act_ctrl sw_act; 211 struct ice_adv_rule_flags_info flags_info; 212 }; 213 214 /* A collection of one or more four word recipe */ 215 struct ice_sw_recipe { 216 /* For a chained recipe the root recipe is what should be used for 217 * programming rules 218 */ 219 u8 is_root; 220 u8 root_rid; 221 u8 recp_created; 222 223 /* Number of extraction words */ 224 u8 n_ext_words; 225 /* Protocol ID and Offset pair (extraction word) to describe the 226 * recipe 227 */ 228 struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS]; 229 u16 word_masks[ICE_MAX_CHAIN_WORDS]; 230 231 /* if this recipe is a collection of other recipe */ 232 u8 big_recp; 233 234 /* if this recipe is part of another bigger recipe then chain index 235 * corresponding to this recipe 236 */ 237 u8 chain_idx; 238 239 /* if this recipe is a collection of other recipe then count of other 240 * recipes and recipe IDs of those recipes 241 */ 242 u8 n_grp_count; 243 244 /* Bit map specifying the IDs associated with this group of recipe */ 245 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); 246 247 enum ice_sw_tunnel_type tun_type; 248 249 /* List of type ice_fltr_mgmt_list_entry or adv_rule */ 250 u8 adv_rule; 251 struct list_head filt_rules; 252 struct list_head filt_replay_rules; 253 254 struct mutex filt_rule_lock; /* protect filter rule structure */ 255 256 /* Profiles this recipe should be associated with */ 257 struct list_head fv_list; 258 259 /* Profiles this recipe is associated with */ 260 u8 num_profs, *prof_ids; 261 262 /* Bit map for possible result indexes */ 263 DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS); 264 265 /* This allows user to specify the recipe priority. 266 * For now, this becomes 'fwd_priority' when recipe 267 * is created, usually recipes can have 'fwd' and 'join' 268 * priority. 269 */ 270 u8 priority; 271 272 u8 need_pass_l2:1; 273 u8 allow_pass_l2:1; 274 275 struct list_head rg_list; 276 277 /* AQ buffer associated with this recipe */ 278 struct ice_aqc_recipe_data_elem *root_buf; 279 /* This struct saves the fv_words for a given lookup */ 280 struct ice_prot_lkup_ext lkup_exts; 281 }; 282 283 /* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */ 284 struct ice_vsi_list_map_info { 285 struct list_head list_entry; 286 DECLARE_BITMAP(vsi_map, ICE_MAX_VSI); 287 u16 vsi_list_id; 288 /* counter to track how many rules are reusing this VSI list */ 289 u16 ref_cnt; 290 }; 291 292 struct ice_fltr_list_entry { 293 struct list_head list_entry; 294 int status; 295 struct ice_fltr_info fltr_info; 296 }; 297 298 /* This defines an entry in the list that maintains MAC or VLAN membership 299 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or 300 * VLAN. As an optimization the VSI list should be created only when a 301 * second VSI becomes a subscriber to the same MAC address. VSI lists are always 302 * used for VLAN membership. 303 */ 304 struct ice_fltr_mgmt_list_entry { 305 /* back pointer to VSI list ID to VSI list mapping */ 306 struct ice_vsi_list_map_info *vsi_list_info; 307 u16 vsi_count; 308 #define ICE_INVAL_LG_ACT_INDEX 0xffff 309 u16 lg_act_idx; 310 #define ICE_INVAL_SW_MARKER_ID 0xffff 311 u16 sw_marker_id; 312 struct list_head list_entry; 313 struct ice_fltr_info fltr_info; 314 #define ICE_INVAL_COUNTER_ID 0xff 315 u8 counter_index; 316 }; 317 318 struct ice_adv_fltr_mgmt_list_entry { 319 struct list_head list_entry; 320 321 struct ice_adv_lkup_elem *lkups; 322 struct ice_adv_rule_info rule_info; 323 u16 lkups_cnt; 324 struct ice_vsi_list_map_info *vsi_list_info; 325 u16 vsi_count; 326 }; 327 328 enum ice_promisc_flags { 329 ICE_PROMISC_UCAST_RX = 0x1, 330 ICE_PROMISC_UCAST_TX = 0x2, 331 ICE_PROMISC_MCAST_RX = 0x4, 332 ICE_PROMISC_MCAST_TX = 0x8, 333 ICE_PROMISC_BCAST_RX = 0x10, 334 ICE_PROMISC_BCAST_TX = 0x20, 335 ICE_PROMISC_VLAN_RX = 0x40, 336 ICE_PROMISC_VLAN_TX = 0x80, 337 }; 338 339 /* VSI related commands */ 340 int 341 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 342 struct ice_sq_cd *cd); 343 int 344 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 345 bool keep_vsi_alloc, struct ice_sq_cd *cd); 346 int 347 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 348 struct ice_sq_cd *cd); 349 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle); 350 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle); 351 void ice_clear_all_vsi_ctx(struct ice_hw *hw); 352 /* Switch config */ 353 int ice_get_initial_sw_cfg(struct ice_hw *hw); 354 355 int 356 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 357 u16 *counter_id); 358 int 359 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 360 u16 counter_id); 361 int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id); 362 363 /* Switch/bridge related commands */ 364 void ice_rule_add_tunnel_metadata(struct ice_adv_lkup_elem *lkup); 365 void ice_rule_add_direction_metadata(struct ice_adv_lkup_elem *lkup); 366 void ice_rule_add_vlan_metadata(struct ice_adv_lkup_elem *lkup); 367 void ice_rule_add_src_vsi_metadata(struct ice_adv_lkup_elem *lkup); 368 int 369 ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, 370 u16 lkups_cnt, struct ice_adv_rule_info *rinfo, 371 struct ice_rule_query_data *added_entry); 372 int ice_update_sw_rule_bridge_mode(struct ice_hw *hw); 373 int ice_add_vlan(struct ice_hw *hw, struct list_head *m_list); 374 int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list); 375 int ice_add_mac(struct ice_hw *hw, struct list_head *m_lst); 376 int ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst); 377 bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle); 378 int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list); 379 int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list); 380 int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable); 381 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle); 382 383 /* Promisc/defport setup for VSIs */ 384 int 385 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set, 386 u8 direction); 387 bool 388 ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, 389 bool *rule_exists); 390 391 int 392 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 393 u16 vid); 394 int 395 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 396 u16 vid); 397 int 398 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 399 bool rm_vlan_promisc); 400 401 int 402 ice_rem_adv_rule_by_id(struct ice_hw *hw, 403 struct ice_rule_query_data *remove_entry); 404 405 int ice_init_def_sw_recp(struct ice_hw *hw); 406 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle); 407 408 int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle); 409 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw); 410 void ice_fill_eth_hdr(u8 *eth_hdr); 411 412 int 413 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz, 414 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd); 415 int 416 ice_update_recipe_lkup_idx(struct ice_hw *hw, 417 struct ice_update_recipe_lkup_idx_params *params); 418 void ice_change_proto_id_to_dvm(void); 419 struct ice_vsi_list_map_info * 420 ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle, 421 u16 *vsi_list_id); 422 int ice_alloc_recipe(struct ice_hw *hw, u16 *rid); 423 int ice_aq_get_recipe(struct ice_hw *hw, 424 struct ice_aqc_recipe_data_elem *s_recipe_list, 425 u16 *num_recipes, u16 recipe_root, struct ice_sq_cd *cd); 426 int ice_aq_add_recipe(struct ice_hw *hw, 427 struct ice_aqc_recipe_data_elem *s_recipe_list, 428 u16 num_recipes, struct ice_sq_cd *cd); 429 int 430 ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 *r_assoc, 431 struct ice_sq_cd *cd); 432 int 433 ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 r_assoc, 434 struct ice_sq_cd *cd); 435 void ice_init_chk_recipe_reuse_support(struct ice_hw *hw); 436 437 #endif /* _ICE_SWITCH_H_ */ 438