1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* Copyright (c) 2021, Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the Intel Corporation nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 /*$FreeBSD$*/ 32 33 #ifndef _ICE_SWITCH_H_ 34 #define _ICE_SWITCH_H_ 35 36 #include "ice_common.h" 37 #include "ice_protocol_type.h" 38 39 #define ICE_SW_CFG_MAX_BUF_LEN 2048 40 #define ICE_MAX_SW 256 41 #define ICE_DFLT_VSI_INVAL 0xff 42 #define ICE_FLTR_RX BIT(0) 43 #define ICE_FLTR_TX BIT(1) 44 #define ICE_FLTR_TX_RX (ICE_FLTR_RX | ICE_FLTR_TX) 45 46 #define DUMMY_ETH_HDR_LEN 16 47 #define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE \ 48 (offsetof(struct ice_aqc_sw_rules_elem, pdata.lkup_tx_rx.hdr) + \ 49 (DUMMY_ETH_HDR_LEN * \ 50 sizeof(((struct ice_sw_rule_lkup_rx_tx *)0)->hdr[0]))) 51 #define ICE_SW_RULE_RX_TX_NO_HDR_SIZE \ 52 (offsetof(struct ice_aqc_sw_rules_elem, pdata.lkup_tx_rx.hdr)) 53 #define ICE_SW_RULE_LG_ACT_SIZE(n) \ 54 (offsetof(struct ice_aqc_sw_rules_elem, pdata.lg_act.act) + \ 55 ((n) * sizeof(((struct ice_sw_rule_lg_act *)0)->act[0]))) 56 #define ICE_SW_RULE_VSI_LIST_SIZE(n) \ 57 (offsetof(struct ice_aqc_sw_rules_elem, pdata.vsi_list.vsi) + \ 58 ((n) * sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi[0]))) 59 60 /* Worst case buffer length for ice_aqc_opc_get_res_alloc */ 61 #define ICE_MAX_RES_TYPES 0x80 62 #define ICE_AQ_GET_RES_ALLOC_BUF_LEN \ 63 (ICE_MAX_RES_TYPES * sizeof(struct ice_aqc_get_res_resp_elem)) 64 65 #define ICE_VSI_INVAL_ID 0xFFFF 66 #define ICE_INVAL_Q_HANDLE 0xFFFF 67 68 /* VSI context structure for add/get/update/free operations */ 69 struct ice_vsi_ctx { 70 u16 vsi_num; 71 u16 vsis_allocd; 72 u16 vsis_unallocated; 73 u16 flags; 74 struct ice_aqc_vsi_props info; 75 struct ice_sched_vsi_info sched; 76 u8 alloc_from_pool; 77 u8 vf_num; 78 u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS]; 79 struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 80 }; 81 82 /* This is to be used by add/update mirror rule Admin Queue command */ 83 struct ice_mir_rule_buf { 84 u16 vsi_idx; /* VSI index */ 85 86 /* For each VSI, user can specify whether corresponding VSI 87 * should be added/removed to/from mirror rule 88 * 89 * add mirror rule: this should always be TRUE. 90 * update mirror rule: add(true) or remove(false) VSI to/from 91 * mirror rule 92 */ 93 u8 add; 94 }; 95 96 /* Switch recipe ID enum values are specific to hardware */ 97 enum ice_sw_lkup_type { 98 ICE_SW_LKUP_ETHERTYPE = 0, 99 ICE_SW_LKUP_MAC = 1, 100 ICE_SW_LKUP_MAC_VLAN = 2, 101 ICE_SW_LKUP_PROMISC = 3, 102 ICE_SW_LKUP_VLAN = 4, 103 ICE_SW_LKUP_DFLT = 5, 104 ICE_SW_LKUP_ETHERTYPE_MAC = 8, 105 ICE_SW_LKUP_PROMISC_VLAN = 9, 106 ICE_SW_LKUP_LAST 107 }; 108 109 /* type of filter src ID */ 110 enum ice_src_id { 111 ICE_SRC_ID_UNKNOWN = 0, 112 ICE_SRC_ID_VSI, 113 ICE_SRC_ID_QUEUE, 114 ICE_SRC_ID_LPORT, 115 }; 116 117 struct ice_fltr_info { 118 /* Look up information: how to look up packet */ 119 enum ice_sw_lkup_type lkup_type; 120 /* Forward action: filter action to do after lookup */ 121 enum ice_sw_fwd_act_type fltr_act; 122 /* rule ID returned by firmware once filter rule is created */ 123 u16 fltr_rule_id; 124 u16 flag; 125 126 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 127 u16 src; 128 enum ice_src_id src_id; 129 130 union { 131 struct { 132 u8 mac_addr[ETH_ALEN]; 133 } mac; 134 struct { 135 u8 mac_addr[ETH_ALEN]; 136 u16 vlan_id; 137 } mac_vlan; 138 struct { 139 u16 vlan_id; 140 } vlan; 141 /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE 142 * if just using ethertype as filter. Set lkup_type as 143 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be 144 * passed in as filter. 145 */ 146 struct { 147 u16 ethertype; 148 u8 mac_addr[ETH_ALEN]; /* optional */ 149 } ethertype_mac; 150 } l_data; /* Make sure to zero out the memory of l_data before using 151 * it or only set the data associated with lookup match 152 * rest everything should be zero 153 */ 154 155 /* Depending on filter action */ 156 union { 157 /* queue ID in case of ICE_FWD_TO_Q and starting 158 * queue ID in case of ICE_FWD_TO_QGRP. 159 */ 160 u16 q_id:11; 161 u16 hw_vsi_id:10; 162 u16 vsi_id:10; 163 u16 vsi_list_id:10; 164 } fwd_id; 165 166 /* Sw VSI handle */ 167 u16 vsi_handle; 168 169 /* Set to num_queues if action is ICE_FWD_TO_QGRP. This field 170 * determines the range of queues the packet needs to be forwarded to. 171 * Note that qgrp_size must be set to a power of 2. 172 */ 173 u8 qgrp_size; 174 175 /* Rule creations populate these indicators basing on the switch type */ 176 u8 lb_en; /* Indicate if packet can be looped back */ 177 u8 lan_en; /* Indicate if packet can be forwarded to the uplink */ 178 }; 179 180 struct ice_adv_lkup_elem { 181 enum ice_protocol_type type; 182 union ice_prot_hdr h_u; /* Header values */ 183 union ice_prot_hdr m_u; /* Mask of header values to match */ 184 }; 185 186 struct ice_sw_act_ctrl { 187 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 188 u16 src; 189 u16 flag; 190 enum ice_sw_fwd_act_type fltr_act; 191 /* Depending on filter action */ 192 union { 193 /* This is a queue ID in case of ICE_FWD_TO_Q and starting 194 * queue ID in case of ICE_FWD_TO_QGRP. 195 */ 196 u16 q_id:11; 197 u16 vsi_id:10; 198 u16 hw_vsi_id:10; 199 u16 vsi_list_id:10; 200 } fwd_id; 201 /* software VSI handle */ 202 u16 vsi_handle; 203 u8 qgrp_size; 204 }; 205 206 struct ice_rule_query_data { 207 /* Recipe ID for which the requested rule was added */ 208 u16 rid; 209 /* Rule ID that was added or is supposed to be removed */ 210 u16 rule_id; 211 /* vsi_handle for which Rule was added or is supposed to be removed */ 212 u16 vsi_handle; 213 }; 214 215 struct ice_adv_rule_info { 216 enum ice_sw_tunnel_type tun_type; 217 struct ice_sw_act_ctrl sw_act; 218 u32 priority; 219 u8 rx; /* true means LOOKUP_RX otherwise LOOKUP_TX */ 220 u16 fltr_rule_id; 221 }; 222 223 /* A collection of one or more four word recipe */ 224 struct ice_sw_recipe { 225 /* For a chained recipe the root recipe is what should be used for 226 * programming rules 227 */ 228 u8 is_root; 229 u8 root_rid; 230 u8 recp_created; 231 232 /* Number of extraction words */ 233 u8 n_ext_words; 234 /* Protocol ID and Offset pair (extraction word) to describe the 235 * recipe 236 */ 237 struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS]; 238 u16 word_masks[ICE_MAX_CHAIN_WORDS]; 239 240 /* if this recipe is a collection of other recipe */ 241 u8 big_recp; 242 243 /* if this recipe is part of another bigger recipe then chain index 244 * corresponding to this recipe 245 */ 246 u8 chain_idx; 247 248 /* if this recipe is a collection of other recipe then count of other 249 * recipes and recipe IDs of those recipes 250 */ 251 u8 n_grp_count; 252 253 /* Bit map specifying the IDs associated with this group of recipe */ 254 ice_declare_bitmap(r_bitmap, ICE_MAX_NUM_RECIPES); 255 256 enum ice_sw_tunnel_type tun_type; 257 258 /* List of type ice_fltr_mgmt_list_entry or adv_rule */ 259 u8 adv_rule; 260 struct LIST_HEAD_TYPE filt_rules; 261 struct LIST_HEAD_TYPE filt_replay_rules; 262 263 struct ice_lock filt_rule_lock; /* protect filter rule structure */ 264 265 /* Profiles this recipe should be associated with */ 266 struct LIST_HEAD_TYPE fv_list; 267 268 /* Profiles this recipe is associated with */ 269 u8 num_profs, *prof_ids; 270 271 /* Bit map for possible result indexes */ 272 ice_declare_bitmap(res_idxs, ICE_MAX_FV_WORDS); 273 274 /* This allows user to specify the recipe priority. 275 * For now, this becomes 'fwd_priority' when recipe 276 * is created, usually recipes can have 'fwd' and 'join' 277 * priority. 278 */ 279 u8 priority; 280 281 struct LIST_HEAD_TYPE rg_list; 282 283 /* AQ buffer associated with this recipe */ 284 struct ice_aqc_recipe_data_elem *root_buf; 285 /* This struct saves the fv_words for a given lookup */ 286 struct ice_prot_lkup_ext lkup_exts; 287 }; 288 289 /* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */ 290 struct ice_vsi_list_map_info { 291 struct LIST_ENTRY_TYPE list_entry; 292 ice_declare_bitmap(vsi_map, ICE_MAX_VSI); 293 u16 vsi_list_id; 294 /* counter to track how many rules are reusing this VSI list */ 295 u16 ref_cnt; 296 }; 297 298 struct ice_fltr_list_entry { 299 struct LIST_ENTRY_TYPE list_entry; 300 enum ice_status status; 301 struct ice_fltr_info fltr_info; 302 }; 303 304 /** 305 * enum ice_fltr_marker - Marker for syncing OS and driver filter lists 306 * @ICE_FLTR_NOT_FOUND: initial state, indicates filter has not been found 307 * @ICE_FLTR_FOUND: set when a filter has been found in both lists 308 * 309 * This enumeration is used to help sync an operating system provided filter 310 * list with the filters previously added. 311 * 312 * This is required for FreeBSD because the operating system does not provide 313 * individual indications of whether a filter has been added or deleted, but 314 * instead just notifies the driver with the entire new list. 315 * 316 * To use this marker state, the driver shall initially reset all filters to 317 * the ICE_FLTR_NOT_FOUND state. Then, for each filter in the OS list, it 318 * shall search the driver list for the filter. If found, the filter state 319 * will be set to ICE_FLTR_FOUND. If not found, that filter will be added. 320 * Finally, the driver shall search the internal filter list for all filters 321 * still marked as ICE_FLTR_NOT_FOUND and remove them. 322 */ 323 enum ice_fltr_marker { 324 ICE_FLTR_NOT_FOUND, 325 ICE_FLTR_FOUND, 326 }; 327 328 /* This defines an entry in the list that maintains MAC or VLAN membership 329 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or 330 * VLAN. As an optimization the VSI list should be created only when a 331 * second VSI becomes a subscriber to the same MAC address. VSI lists are always 332 * used for VLAN membership. 333 */ 334 struct ice_fltr_mgmt_list_entry { 335 /* back pointer to VSI list ID to VSI list mapping */ 336 struct ice_vsi_list_map_info *vsi_list_info; 337 u16 vsi_count; 338 #define ICE_INVAL_LG_ACT_INDEX 0xffff 339 u16 lg_act_idx; 340 #define ICE_INVAL_SW_MARKER_ID 0xffff 341 u16 sw_marker_id; 342 struct LIST_ENTRY_TYPE list_entry; 343 struct ice_fltr_info fltr_info; 344 #define ICE_INVAL_COUNTER_ID 0xff 345 u8 counter_index; 346 enum ice_fltr_marker marker; 347 }; 348 349 struct ice_adv_fltr_mgmt_list_entry { 350 struct LIST_ENTRY_TYPE list_entry; 351 352 struct ice_adv_lkup_elem *lkups; 353 struct ice_adv_rule_info rule_info; 354 u16 lkups_cnt; 355 struct ice_vsi_list_map_info *vsi_list_info; 356 u16 vsi_count; 357 }; 358 359 enum ice_promisc_flags { 360 ICE_PROMISC_UCAST_RX = 0x1, 361 ICE_PROMISC_UCAST_TX = 0x2, 362 ICE_PROMISC_MCAST_RX = 0x4, 363 ICE_PROMISC_MCAST_TX = 0x8, 364 ICE_PROMISC_BCAST_RX = 0x10, 365 ICE_PROMISC_BCAST_TX = 0x20, 366 ICE_PROMISC_VLAN_RX = 0x40, 367 ICE_PROMISC_VLAN_TX = 0x80, 368 }; 369 370 /* VSI related commands */ 371 enum ice_status 372 ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 373 struct ice_sq_cd *cd); 374 enum ice_status 375 ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 376 bool keep_vsi_alloc, struct ice_sq_cd *cd); 377 enum ice_status 378 ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 379 struct ice_sq_cd *cd); 380 enum ice_status 381 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 382 struct ice_sq_cd *cd); 383 enum ice_status 384 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 385 bool keep_vsi_alloc, struct ice_sq_cd *cd); 386 enum ice_status 387 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 388 struct ice_sq_cd *cd); 389 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle); 390 void ice_clear_all_vsi_ctx(struct ice_hw *hw); 391 enum ice_status 392 ice_aq_get_vsi_params(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 393 struct ice_sq_cd *cd); 394 enum ice_status 395 ice_aq_add_update_mir_rule(struct ice_hw *hw, u16 rule_type, u16 dest_vsi, 396 u16 count, struct ice_mir_rule_buf *mr_buf, 397 struct ice_sq_cd *cd, u16 *rule_id); 398 enum ice_status 399 ice_aq_delete_mir_rule(struct ice_hw *hw, u16 rule_id, bool keep_allocd, 400 struct ice_sq_cd *cd); 401 enum ice_status 402 ice_aq_get_storm_ctrl(struct ice_hw *hw, u32 *bcast_thresh, u32 *mcast_thresh, 403 u32 *ctl_bitmask); 404 enum ice_status 405 ice_aq_set_storm_ctrl(struct ice_hw *hw, u32 bcast_thresh, u32 mcast_thresh, 406 u32 ctl_bitmask); 407 /* Switch config */ 408 enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw); 409 410 enum ice_status 411 ice_alloc_vlan_res_counter(struct ice_hw *hw, u16 *counter_id); 412 enum ice_status 413 ice_free_vlan_res_counter(struct ice_hw *hw, u16 counter_id); 414 415 /* Switch/bridge related commands */ 416 enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw); 417 enum ice_status ice_alloc_rss_global_lut(struct ice_hw *hw, bool shared_res, u16 *global_lut_id); 418 enum ice_status ice_free_rss_global_lut(struct ice_hw *hw, u16 global_lut_id); 419 enum ice_status 420 ice_alloc_sw(struct ice_hw *hw, bool ena_stats, bool shared_res, u16 *sw_id, 421 u16 *counter_id); 422 enum ice_status 423 ice_free_sw(struct ice_hw *hw, u16 sw_id, u16 counter_id); 424 enum ice_status 425 ice_aq_get_res_alloc(struct ice_hw *hw, u16 *num_entries, 426 struct ice_aqc_get_res_resp_elem *buf, u16 buf_size, 427 struct ice_sq_cd *cd); 428 enum ice_status 429 ice_aq_get_res_descs(struct ice_hw *hw, u16 num_entries, 430 struct ice_aqc_res_elem *buf, u16 buf_size, u16 res_type, 431 bool res_shared, u16 *desc_id, struct ice_sq_cd *cd); 432 enum ice_status 433 ice_add_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list); 434 enum ice_status 435 ice_remove_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list); 436 void ice_rem_all_sw_rules_info(struct ice_hw *hw); 437 enum ice_status ice_add_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_lst); 438 enum ice_status ice_remove_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_lst); 439 enum ice_status 440 ice_add_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list); 441 enum ice_status 442 ice_remove_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list); 443 444 enum ice_status 445 ice_add_mac_with_sw_marker(struct ice_hw *hw, struct ice_fltr_info *f_info, 446 u16 sw_marker); 447 enum ice_status 448 ice_add_mac_with_counter(struct ice_hw *hw, struct ice_fltr_info *f_info); 449 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle); 450 451 /* Promisc/defport setup for VSIs */ 452 enum ice_status 453 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set, 454 u8 direction); 455 enum ice_status 456 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 457 u16 vid); 458 enum ice_status 459 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 460 u16 vid); 461 enum ice_status 462 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 463 bool rm_vlan_promisc); 464 465 /* Get VSIs Promisc/defport settings */ 466 enum ice_status 467 ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask, 468 u16 *vid); 469 enum ice_status 470 ice_get_vsi_vlan_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask, 471 u16 *vid); 472 473 enum ice_status ice_replay_all_fltr(struct ice_hw *hw); 474 475 enum ice_status 476 ice_init_def_sw_recp(struct ice_hw *hw, struct ice_sw_recipe **recp_list); 477 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle); 478 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle); 479 480 enum ice_status 481 ice_replay_vsi_all_fltr(struct ice_hw *hw, struct ice_port_info *pi, 482 u16 vsi_handle); 483 void ice_rm_sw_replay_rule_info(struct ice_hw *hw, struct ice_switch_info *sw); 484 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw); 485 #endif /* _ICE_SWITCH_H_ */ 486