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 /* 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 26 #define ICE_SW_RULE_RX_TX_NO_HDR_SIZE \ 27 (offsetof(struct ice_aqc_sw_rules_elem, pdata.lkup_tx_rx.hdr)) 28 29 /* VSI context structure for add/get/update/free operations */ 30 struct ice_vsi_ctx { 31 u16 vsi_num; 32 u16 vsis_allocd; 33 u16 vsis_unallocated; 34 u16 flags; 35 struct ice_aqc_vsi_props info; 36 struct ice_sched_vsi_info sched; 37 u8 alloc_from_pool; 38 u8 vf_num; 39 u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS]; 40 struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 41 u16 num_rdma_q_entries[ICE_MAX_TRAFFIC_CLASS]; 42 struct ice_q_ctx *rdma_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 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 u16 tpid; 90 u8 tpid_valid; 91 } vlan; 92 /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE 93 * if just using ethertype as filter. Set lkup_type as 94 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be 95 * passed in as filter. 96 */ 97 struct { 98 u16 ethertype; 99 u8 mac_addr[ETH_ALEN]; /* optional */ 100 } ethertype_mac; 101 } l_data; /* Make sure to zero out the memory of l_data before using 102 * it or only set the data associated with lookup match 103 * rest everything should be zero 104 */ 105 106 /* Depending on filter action */ 107 union { 108 /* queue ID in case of ICE_FWD_TO_Q and starting 109 * queue ID in case of ICE_FWD_TO_QGRP. 110 */ 111 u16 q_id:11; 112 u16 hw_vsi_id:10; 113 u16 vsi_list_id:10; 114 } fwd_id; 115 116 /* Sw VSI handle */ 117 u16 vsi_handle; 118 119 /* Set to num_queues if action is ICE_FWD_TO_QGRP. This field 120 * determines the range of queues the packet needs to be forwarded to. 121 * Note that qgrp_size must be set to a power of 2. 122 */ 123 u8 qgrp_size; 124 125 /* Rule creations populate these indicators basing on the switch type */ 126 u8 lb_en; /* Indicate if packet can be looped back */ 127 u8 lan_en; /* Indicate if packet can be forwarded to the uplink */ 128 }; 129 130 struct ice_update_recipe_lkup_idx_params { 131 u16 rid; 132 u16 fv_idx; 133 bool ignore_valid; 134 u16 mask; 135 bool mask_valid; 136 u8 lkup_idx; 137 }; 138 139 struct ice_adv_lkup_elem { 140 enum ice_protocol_type type; 141 union { 142 union ice_prot_hdr h_u; /* Header values */ 143 /* Used to iterate over the headers */ 144 u16 h_raw[sizeof(union ice_prot_hdr) / sizeof(u16)]; 145 }; 146 union { 147 union ice_prot_hdr m_u; /* Mask of header values to match */ 148 /* Used to iterate over header mask */ 149 u16 m_raw[sizeof(union ice_prot_hdr) / sizeof(u16)]; 150 }; 151 }; 152 153 struct ice_sw_act_ctrl { 154 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 155 u16 src; 156 u16 flag; 157 enum ice_sw_fwd_act_type fltr_act; 158 /* Depending on filter action */ 159 union { 160 /* This is a queue ID in case of ICE_FWD_TO_Q and starting 161 * queue ID in case of ICE_FWD_TO_QGRP. 162 */ 163 u16 q_id:11; 164 u16 vsi_id:10; 165 u16 hw_vsi_id:10; 166 u16 vsi_list_id:10; 167 } fwd_id; 168 /* software VSI handle */ 169 u16 vsi_handle; 170 u8 qgrp_size; 171 }; 172 173 struct ice_rule_query_data { 174 /* Recipe ID for which the requested rule was added */ 175 u16 rid; 176 /* Rule ID that was added or is supposed to be removed */ 177 u16 rule_id; 178 /* vsi_handle for which Rule was added or is supposed to be removed */ 179 u16 vsi_handle; 180 }; 181 182 /* This structure allows to pass info about lb_en and lan_en 183 * flags to ice_add_adv_rule. Values in act would be used 184 * only if act_valid was set to true, otherwise default 185 * values would be used. 186 */ 187 struct ice_adv_rule_flags_info { 188 u32 act; 189 u8 act_valid; /* indicate if flags in act are valid */ 190 }; 191 192 struct ice_adv_rule_info { 193 enum ice_sw_tunnel_type tun_type; 194 struct ice_sw_act_ctrl sw_act; 195 u32 priority; 196 u8 rx; /* true means LOOKUP_RX otherwise LOOKUP_TX */ 197 u16 fltr_rule_id; 198 struct ice_adv_rule_flags_info flags_info; 199 }; 200 201 /* A collection of one or more four word recipe */ 202 struct ice_sw_recipe { 203 /* For a chained recipe the root recipe is what should be used for 204 * programming rules 205 */ 206 u8 is_root; 207 u8 root_rid; 208 u8 recp_created; 209 210 /* Number of extraction words */ 211 u8 n_ext_words; 212 /* Protocol ID and Offset pair (extraction word) to describe the 213 * recipe 214 */ 215 struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS]; 216 u16 word_masks[ICE_MAX_CHAIN_WORDS]; 217 218 /* if this recipe is a collection of other recipe */ 219 u8 big_recp; 220 221 /* if this recipe is part of another bigger recipe then chain index 222 * corresponding to this recipe 223 */ 224 u8 chain_idx; 225 226 /* if this recipe is a collection of other recipe then count of other 227 * recipes and recipe IDs of those recipes 228 */ 229 u8 n_grp_count; 230 231 /* Bit map specifying the IDs associated with this group of recipe */ 232 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); 233 234 enum ice_sw_tunnel_type tun_type; 235 236 /* List of type ice_fltr_mgmt_list_entry or adv_rule */ 237 u8 adv_rule; 238 struct list_head filt_rules; 239 struct list_head filt_replay_rules; 240 241 struct mutex filt_rule_lock; /* protect filter rule structure */ 242 243 /* Profiles this recipe should be associated with */ 244 struct list_head fv_list; 245 246 /* Profiles this recipe is associated with */ 247 u8 num_profs, *prof_ids; 248 249 /* Bit map for possible result indexes */ 250 DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS); 251 252 /* This allows user to specify the recipe priority. 253 * For now, this becomes 'fwd_priority' when recipe 254 * is created, usually recipes can have 'fwd' and 'join' 255 * priority. 256 */ 257 u8 priority; 258 259 struct list_head rg_list; 260 261 /* AQ buffer associated with this recipe */ 262 struct ice_aqc_recipe_data_elem *root_buf; 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); 345 346 /* Switch/bridge related commands */ 347 int 348 ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, 349 u16 lkups_cnt, struct ice_adv_rule_info *rinfo, 350 struct ice_rule_query_data *added_entry); 351 int ice_update_sw_rule_bridge_mode(struct ice_hw *hw); 352 int ice_add_vlan(struct ice_hw *hw, struct list_head *m_list); 353 int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list); 354 int ice_add_mac(struct ice_hw *hw, struct list_head *m_lst); 355 int ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst); 356 bool ice_mac_fltr_exist(struct ice_hw *hw, u8 *mac, u16 vsi_handle); 357 bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle); 358 int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list); 359 int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list); 360 int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable); 361 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle); 362 363 /* Promisc/defport setup for VSIs */ 364 int ice_cfg_dflt_vsi(struct ice_hw *hw, u16 vsi_handle, bool set, u8 direction); 365 int 366 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 367 u16 vid); 368 int 369 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 370 u16 vid); 371 int 372 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 373 bool rm_vlan_promisc); 374 375 int ice_rem_adv_rule_for_vsi(struct ice_hw *hw, u16 vsi_handle); 376 int 377 ice_rem_adv_rule_by_id(struct ice_hw *hw, 378 struct ice_rule_query_data *remove_entry); 379 380 int ice_init_def_sw_recp(struct ice_hw *hw); 381 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle); 382 383 int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle); 384 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw); 385 386 int 387 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz, 388 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd); 389 int 390 ice_update_recipe_lkup_idx(struct ice_hw *hw, 391 struct ice_update_recipe_lkup_idx_params *params); 392 void ice_change_proto_id_to_dvm(void); 393 #endif /* _ICE_SWITCH_H_ */ 394