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 ice_prot_hdr h_u; /* Header values */ 142 union ice_prot_hdr m_u; /* Mask of header values to match */ 143 }; 144 145 struct ice_sw_act_ctrl { 146 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 147 u16 src; 148 u16 flag; 149 enum ice_sw_fwd_act_type fltr_act; 150 /* Depending on filter action */ 151 union { 152 /* This is a queue ID in case of ICE_FWD_TO_Q and starting 153 * queue ID in case of ICE_FWD_TO_QGRP. 154 */ 155 u16 q_id:11; 156 u16 vsi_id:10; 157 u16 hw_vsi_id:10; 158 u16 vsi_list_id:10; 159 } fwd_id; 160 /* software VSI handle */ 161 u16 vsi_handle; 162 u8 qgrp_size; 163 }; 164 165 struct ice_rule_query_data { 166 /* Recipe ID for which the requested rule was added */ 167 u16 rid; 168 /* Rule ID that was added or is supposed to be removed */ 169 u16 rule_id; 170 /* vsi_handle for which Rule was added or is supposed to be removed */ 171 u16 vsi_handle; 172 }; 173 174 /* This structure allows to pass info about lb_en and lan_en 175 * flags to ice_add_adv_rule. Values in act would be used 176 * only if act_valid was set to true, otherwise default 177 * values would be used. 178 */ 179 struct ice_adv_rule_flags_info { 180 u32 act; 181 u8 act_valid; /* indicate if flags in act are valid */ 182 }; 183 184 struct ice_adv_rule_info { 185 enum ice_sw_tunnel_type tun_type; 186 struct ice_sw_act_ctrl sw_act; 187 u32 priority; 188 u8 rx; /* true means LOOKUP_RX otherwise LOOKUP_TX */ 189 u16 fltr_rule_id; 190 struct ice_adv_rule_flags_info flags_info; 191 }; 192 193 /* A collection of one or more four word recipe */ 194 struct ice_sw_recipe { 195 /* For a chained recipe the root recipe is what should be used for 196 * programming rules 197 */ 198 u8 is_root; 199 u8 root_rid; 200 u8 recp_created; 201 202 /* Number of extraction words */ 203 u8 n_ext_words; 204 /* Protocol ID and Offset pair (extraction word) to describe the 205 * recipe 206 */ 207 struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS]; 208 u16 word_masks[ICE_MAX_CHAIN_WORDS]; 209 210 /* if this recipe is a collection of other recipe */ 211 u8 big_recp; 212 213 /* if this recipe is part of another bigger recipe then chain index 214 * corresponding to this recipe 215 */ 216 u8 chain_idx; 217 218 /* if this recipe is a collection of other recipe then count of other 219 * recipes and recipe IDs of those recipes 220 */ 221 u8 n_grp_count; 222 223 /* Bit map specifying the IDs associated with this group of recipe */ 224 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); 225 226 enum ice_sw_tunnel_type tun_type; 227 228 /* List of type ice_fltr_mgmt_list_entry or adv_rule */ 229 u8 adv_rule; 230 struct list_head filt_rules; 231 struct list_head filt_replay_rules; 232 233 struct mutex filt_rule_lock; /* protect filter rule structure */ 234 235 /* Profiles this recipe should be associated with */ 236 struct list_head fv_list; 237 238 /* Profiles this recipe is associated with */ 239 u8 num_profs, *prof_ids; 240 241 /* Bit map for possible result indexes */ 242 DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS); 243 244 /* This allows user to specify the recipe priority. 245 * For now, this becomes 'fwd_priority' when recipe 246 * is created, usually recipes can have 'fwd' and 'join' 247 * priority. 248 */ 249 u8 priority; 250 251 struct list_head rg_list; 252 253 /* AQ buffer associated with this recipe */ 254 struct ice_aqc_recipe_data_elem *root_buf; 255 /* This struct saves the fv_words for a given lookup */ 256 struct ice_prot_lkup_ext lkup_exts; 257 }; 258 259 /* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */ 260 struct ice_vsi_list_map_info { 261 struct list_head list_entry; 262 DECLARE_BITMAP(vsi_map, ICE_MAX_VSI); 263 u16 vsi_list_id; 264 /* counter to track how many rules are reusing this VSI list */ 265 u16 ref_cnt; 266 }; 267 268 struct ice_fltr_list_entry { 269 struct list_head list_entry; 270 int status; 271 struct ice_fltr_info fltr_info; 272 }; 273 274 /* This defines an entry in the list that maintains MAC or VLAN membership 275 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or 276 * VLAN. As an optimization the VSI list should be created only when a 277 * second VSI becomes a subscriber to the same MAC address. VSI lists are always 278 * used for VLAN membership. 279 */ 280 struct ice_fltr_mgmt_list_entry { 281 /* back pointer to VSI list ID to VSI list mapping */ 282 struct ice_vsi_list_map_info *vsi_list_info; 283 u16 vsi_count; 284 #define ICE_INVAL_LG_ACT_INDEX 0xffff 285 u16 lg_act_idx; 286 #define ICE_INVAL_SW_MARKER_ID 0xffff 287 u16 sw_marker_id; 288 struct list_head list_entry; 289 struct ice_fltr_info fltr_info; 290 #define ICE_INVAL_COUNTER_ID 0xff 291 u8 counter_index; 292 }; 293 294 struct ice_adv_fltr_mgmt_list_entry { 295 struct list_head list_entry; 296 297 struct ice_adv_lkup_elem *lkups; 298 struct ice_adv_rule_info rule_info; 299 u16 lkups_cnt; 300 struct ice_vsi_list_map_info *vsi_list_info; 301 u16 vsi_count; 302 }; 303 304 enum ice_promisc_flags { 305 ICE_PROMISC_UCAST_RX = 0x1, 306 ICE_PROMISC_UCAST_TX = 0x2, 307 ICE_PROMISC_MCAST_RX = 0x4, 308 ICE_PROMISC_MCAST_TX = 0x8, 309 ICE_PROMISC_BCAST_RX = 0x10, 310 ICE_PROMISC_BCAST_TX = 0x20, 311 ICE_PROMISC_VLAN_RX = 0x40, 312 ICE_PROMISC_VLAN_TX = 0x80, 313 }; 314 315 /* VSI related commands */ 316 int 317 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 318 struct ice_sq_cd *cd); 319 int 320 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 321 bool keep_vsi_alloc, struct ice_sq_cd *cd); 322 int 323 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 324 struct ice_sq_cd *cd); 325 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle); 326 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle); 327 void ice_clear_all_vsi_ctx(struct ice_hw *hw); 328 /* Switch config */ 329 int ice_get_initial_sw_cfg(struct ice_hw *hw); 330 331 int 332 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 333 u16 *counter_id); 334 int 335 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 336 u16 counter_id); 337 338 /* Switch/bridge related commands */ 339 int 340 ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, 341 u16 lkups_cnt, struct ice_adv_rule_info *rinfo, 342 struct ice_rule_query_data *added_entry); 343 int ice_update_sw_rule_bridge_mode(struct ice_hw *hw); 344 int ice_add_vlan(struct ice_hw *hw, struct list_head *m_list); 345 int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list); 346 int ice_add_mac(struct ice_hw *hw, struct list_head *m_lst); 347 int ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst); 348 bool ice_mac_fltr_exist(struct ice_hw *hw, u8 *mac, u16 vsi_handle); 349 bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle); 350 int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list); 351 int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list); 352 int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable); 353 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle); 354 355 /* Promisc/defport setup for VSIs */ 356 int ice_cfg_dflt_vsi(struct ice_hw *hw, u16 vsi_handle, bool set, u8 direction); 357 int 358 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 359 u16 vid); 360 int 361 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 362 u16 vid); 363 int 364 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 365 bool rm_vlan_promisc); 366 367 int ice_rem_adv_rule_for_vsi(struct ice_hw *hw, u16 vsi_handle); 368 int 369 ice_rem_adv_rule_by_id(struct ice_hw *hw, 370 struct ice_rule_query_data *remove_entry); 371 372 int ice_init_def_sw_recp(struct ice_hw *hw); 373 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle); 374 375 int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle); 376 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw); 377 378 int 379 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz, 380 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd); 381 int 382 ice_update_recipe_lkup_idx(struct ice_hw *hw, 383 struct ice_update_recipe_lkup_idx_params *params); 384 void ice_change_proto_id_to_dvm(void); 385 #endif /* _ICE_SWITCH_H_ */ 386