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