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 root_rid; 220 u8 recp_created; 221 222 /* Number of extraction words */ 223 u8 n_ext_words; 224 /* Protocol ID and Offset pair (extraction word) to describe the 225 * recipe 226 */ 227 struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS]; 228 u16 word_masks[ICE_MAX_CHAIN_WORDS]; 229 u8 fv_idx[ICE_MAX_CHAIN_WORDS]; 230 u16 fv_mask[ICE_MAX_CHAIN_WORDS]; 231 232 /* Bit map specifying the IDs associated with this group of recipe */ 233 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); 234 235 enum ice_sw_tunnel_type tun_type; 236 237 /* List of type ice_fltr_mgmt_list_entry or adv_rule */ 238 u8 adv_rule; 239 struct list_head filt_rules; 240 struct list_head filt_replay_rules; 241 242 struct mutex filt_rule_lock; /* protect filter rule structure */ 243 244 /* Profiles this recipe should be associated with */ 245 struct list_head fv_list; 246 247 /* Profiles this recipe is associated with */ 248 u8 num_profs, *prof_ids; 249 250 /* Bit map for possible result indexes */ 251 DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS); 252 253 /* This allows user to specify the recipe priority. 254 * For now, this becomes 'fwd_priority' when recipe 255 * is created, usually recipes can have 'fwd' and 'join' 256 * priority. 257 */ 258 u8 priority; 259 260 u8 need_pass_l2:1; 261 u8 allow_pass_l2:1; 262 263 /* This struct saves the fv_words for a given lookup */ 264 struct ice_prot_lkup_ext lkup_exts; 265 }; 266 267 /* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */ 268 struct ice_vsi_list_map_info { 269 struct list_head list_entry; 270 DECLARE_BITMAP(vsi_map, ICE_MAX_VSI); 271 u16 vsi_list_id; 272 /* counter to track how many rules are reusing this VSI list */ 273 u16 ref_cnt; 274 }; 275 276 struct ice_fltr_list_entry { 277 struct list_head list_entry; 278 int status; 279 struct ice_fltr_info fltr_info; 280 }; 281 282 /* This defines an entry in the list that maintains MAC or VLAN membership 283 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or 284 * VLAN. As an optimization the VSI list should be created only when a 285 * second VSI becomes a subscriber to the same MAC address. VSI lists are always 286 * used for VLAN membership. 287 */ 288 struct ice_fltr_mgmt_list_entry { 289 /* back pointer to VSI list ID to VSI list mapping */ 290 struct ice_vsi_list_map_info *vsi_list_info; 291 u16 vsi_count; 292 #define ICE_INVAL_LG_ACT_INDEX 0xffff 293 u16 lg_act_idx; 294 #define ICE_INVAL_SW_MARKER_ID 0xffff 295 u16 sw_marker_id; 296 struct list_head list_entry; 297 struct ice_fltr_info fltr_info; 298 #define ICE_INVAL_COUNTER_ID 0xff 299 u8 counter_index; 300 }; 301 302 struct ice_adv_fltr_mgmt_list_entry { 303 struct list_head list_entry; 304 305 struct ice_adv_lkup_elem *lkups; 306 struct ice_adv_rule_info rule_info; 307 u16 lkups_cnt; 308 struct ice_vsi_list_map_info *vsi_list_info; 309 u16 vsi_count; 310 }; 311 312 enum ice_promisc_flags { 313 ICE_PROMISC_UCAST_RX = 0x1, 314 ICE_PROMISC_UCAST_TX = 0x2, 315 ICE_PROMISC_MCAST_RX = 0x4, 316 ICE_PROMISC_MCAST_TX = 0x8, 317 ICE_PROMISC_BCAST_RX = 0x10, 318 ICE_PROMISC_BCAST_TX = 0x20, 319 ICE_PROMISC_VLAN_RX = 0x40, 320 ICE_PROMISC_VLAN_TX = 0x80, 321 }; 322 323 /* VSI related commands */ 324 int 325 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 326 struct ice_sq_cd *cd); 327 int 328 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 329 bool keep_vsi_alloc, struct ice_sq_cd *cd); 330 int 331 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 332 struct ice_sq_cd *cd); 333 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle); 334 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle); 335 void ice_clear_all_vsi_ctx(struct ice_hw *hw); 336 /* Switch config */ 337 int ice_get_initial_sw_cfg(struct ice_hw *hw); 338 339 int 340 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 341 u16 *counter_id); 342 int 343 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 344 u16 counter_id); 345 int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id); 346 347 /* Switch/bridge related commands */ 348 void ice_rule_add_tunnel_metadata(struct ice_adv_lkup_elem *lkup); 349 void ice_rule_add_direction_metadata(struct ice_adv_lkup_elem *lkup); 350 void ice_rule_add_vlan_metadata(struct ice_adv_lkup_elem *lkup); 351 void ice_rule_add_src_vsi_metadata(struct ice_adv_lkup_elem *lkup); 352 int 353 ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, 354 u16 lkups_cnt, struct ice_adv_rule_info *rinfo, 355 struct ice_rule_query_data *added_entry); 356 int ice_update_sw_rule_bridge_mode(struct ice_hw *hw); 357 int ice_add_vlan(struct ice_hw *hw, struct list_head *m_list); 358 int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list); 359 int ice_add_mac(struct ice_hw *hw, struct list_head *m_lst); 360 int ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst); 361 bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle); 362 int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list); 363 int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list); 364 int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable); 365 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle); 366 367 /* Promisc/defport setup for VSIs */ 368 int 369 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set, 370 u8 direction); 371 bool 372 ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, 373 bool *rule_exists); 374 375 int 376 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 377 u16 vid); 378 int 379 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 380 u16 vid); 381 int 382 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 383 bool rm_vlan_promisc); 384 385 int 386 ice_rem_adv_rule_by_id(struct ice_hw *hw, 387 struct ice_rule_query_data *remove_entry); 388 389 int ice_init_def_sw_recp(struct ice_hw *hw); 390 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle); 391 392 int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle); 393 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw); 394 void ice_fill_eth_hdr(u8 *eth_hdr); 395 396 int 397 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz, 398 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd); 399 int 400 ice_update_recipe_lkup_idx(struct ice_hw *hw, 401 struct ice_update_recipe_lkup_idx_params *params); 402 void ice_change_proto_id_to_dvm(void); 403 struct ice_vsi_list_map_info * 404 ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle, 405 u16 *vsi_list_id); 406 int ice_alloc_recipe(struct ice_hw *hw, u16 *rid); 407 int ice_aq_get_recipe(struct ice_hw *hw, 408 struct ice_aqc_recipe_data_elem *s_recipe_list, 409 u16 *num_recipes, u16 recipe_root, struct ice_sq_cd *cd); 410 int ice_aq_add_recipe(struct ice_hw *hw, 411 struct ice_aqc_recipe_data_elem *s_recipe_list, 412 u16 num_recipes, struct ice_sq_cd *cd); 413 int 414 ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 *r_assoc, 415 struct ice_sq_cd *cd); 416 int 417 ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 r_assoc, 418 struct ice_sq_cd *cd); 419 void ice_init_chk_recipe_reuse_support(struct ice_hw *hw); 420 421 #endif /* _ICE_SWITCH_H_ */ 422