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_VSI_INVAL_ID 0xffff 14#define ICE_INVAL_Q_HANDLE 0xFFFF 15 16/* Switch Profile IDs for Profile related switch rules */ 17#define ICE_PROFID_IPV4_GTPC_TEID 41 18#define ICE_PROFID_IPV4_GTPC_NO_TEID 42 19#define ICE_PROFID_IPV4_GTPU_TEID 43 20#define ICE_PROFID_IPV6_GTPC_TEID 44 21#define ICE_PROFID_IPV6_GTPC_NO_TEID 45 22#define ICE_PROFID_IPV6_GTPU_TEID 46 23#define ICE_PROFID_IPV6_GTPU_IPV6_TCP_INNER 70 24 25#define ICE_SW_RULE_VSI_LIST_SIZE(s, n) struct_size((s), vsi, (n)) 26#define ICE_SW_RULE_RX_TX_HDR_SIZE(s, l) struct_size((s), hdr_data, (l)) 27#define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s) \ 28 ICE_SW_RULE_RX_TX_HDR_SIZE((s), DUMMY_ETH_HDR_LEN) 29#define ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s) \ 30 ICE_SW_RULE_RX_TX_HDR_SIZE((s), 0) 31#define ICE_SW_RULE_LG_ACT_SIZE(s, n) struct_size((s), act, (n)) 32 33#define DUMMY_ETH_HDR_LEN 16 34 35/* VSI context structure for add/get/update/free operations */ 36struct ice_vsi_ctx { 37 u16 vsi_num; 38 u16 vsis_allocd; 39 u16 vsis_unallocated; 40 u16 flags; 41 struct ice_aqc_vsi_props info; 42 struct ice_sched_vsi_info sched; 43 u8 alloc_from_pool; 44 u8 vf_num; 45 u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS]; 46 struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 47 u16 num_rdma_q_entries[ICE_MAX_TRAFFIC_CLASS]; 48 struct ice_q_ctx *rdma_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 49}; 50 51/* Switch recipe ID enum values are specific to hardware */ 52enum ice_sw_lkup_type { 53 ICE_SW_LKUP_ETHERTYPE = 0, 54 ICE_SW_LKUP_MAC = 1, 55 ICE_SW_LKUP_MAC_VLAN = 2, 56 ICE_SW_LKUP_PROMISC = 3, 57 ICE_SW_LKUP_VLAN = 4, 58 ICE_SW_LKUP_DFLT = 5, 59 ICE_SW_LKUP_ETHERTYPE_MAC = 8, 60 ICE_SW_LKUP_PROMISC_VLAN = 9, 61 ICE_SW_LKUP_LAST 62}; 63 64/* type of filter src ID */ 65enum ice_src_id { 66 ICE_SRC_ID_UNKNOWN = 0, 67 ICE_SRC_ID_VSI, 68 ICE_SRC_ID_QUEUE, 69 ICE_SRC_ID_LPORT, 70}; 71 72struct ice_fltr_info { 73 /* Look up information: how to look up packet */ 74 enum ice_sw_lkup_type lkup_type; 75 /* Forward action: filter action to do after lookup */ 76 enum ice_sw_fwd_act_type fltr_act; 77 /* rule ID returned by firmware once filter rule is created */ 78 u16 fltr_rule_id; 79 u16 flag; 80 81 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 82 u16 src; 83 enum ice_src_id src_id; 84 85 union { 86 struct { 87 u8 mac_addr[ETH_ALEN]; 88 } mac; 89 struct { 90 u8 mac_addr[ETH_ALEN]; 91 u16 vlan_id; 92 } mac_vlan; 93 struct { 94 u16 vlan_id; 95 u16 tpid; 96 u8 tpid_valid; 97 } vlan; 98 /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE 99 * if just using ethertype as filter. Set lkup_type as 100 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be 101 * passed in as filter. 102 */ 103 struct { 104 u16 ethertype; 105 u8 mac_addr[ETH_ALEN]; /* optional */ 106 } ethertype_mac; 107 } l_data; /* Make sure to zero out the memory of l_data before using 108 * it or only set the data associated with lookup match 109 * rest everything should be zero 110 */ 111 112 /* Depending on filter action */ 113 union { 114 /* queue ID in case of ICE_FWD_TO_Q and starting 115 * queue ID in case of ICE_FWD_TO_QGRP. 116 */ 117 u16 q_id:11; 118 u16 hw_vsi_id:10; 119 u16 vsi_list_id:10; 120 } fwd_id; 121 122 /* Sw VSI handle */ 123 u16 vsi_handle; 124 125 /* Set to num_queues if action is ICE_FWD_TO_QGRP. This field 126 * determines the range of queues the packet needs to be forwarded to. 127 * Note that qgrp_size must be set to a power of 2. 128 */ 129 u8 qgrp_size; 130 131 /* Rule creations populate these indicators basing on the switch type */ 132 u8 lb_en; /* Indicate if packet can be looped back */ 133 u8 lan_en; /* Indicate if packet can be forwarded to the uplink */ 134}; 135 136struct ice_update_recipe_lkup_idx_params { 137 u16 rid; 138 u16 fv_idx; 139 bool ignore_valid; 140 u16 mask; 141 bool mask_valid; 142 u8 lkup_idx; 143}; 144 145struct ice_adv_lkup_elem { 146 enum ice_protocol_type type; 147 union { 148 union ice_prot_hdr h_u; /* Header values */ 149 /* Used to iterate over the headers */ 150 u16 h_raw[sizeof(union ice_prot_hdr) / sizeof(u16)]; 151 }; 152 union { 153 union ice_prot_hdr m_u; /* Mask of header values to match */ 154 /* Used to iterate over header mask */ 155 u16 m_raw[sizeof(union ice_prot_hdr) / sizeof(u16)]; 156 }; 157}; 158 159struct ice_sw_act_ctrl { 160 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 161 u16 src; 162 u16 flag; 163 enum ice_sw_fwd_act_type fltr_act; 164 /* Depending on filter action */ 165 union { 166 /* This is a queue ID in case of ICE_FWD_TO_Q and starting 167 * queue ID in case of ICE_FWD_TO_QGRP. 168 */ 169 u16 q_id:11; 170 u16 vsi_id:10; 171 u16 hw_vsi_id:10; 172 u16 vsi_list_id:10; 173 } fwd_id; 174 /* software VSI handle */ 175 u16 vsi_handle; 176 u8 qgrp_size; 177}; 178 179struct ice_rule_query_data { 180 /* Recipe ID for which the requested rule was added */ 181 u16 rid; 182 /* Rule ID that was added or is supposed to be removed */ 183 u16 rule_id; 184 /* vsi_handle for which Rule was added or is supposed to be removed */ 185 u16 vsi_handle; 186}; 187 188/* This structure allows to pass info about lb_en and lan_en 189 * flags to ice_add_adv_rule. Values in act would be used 190 * only if act_valid was set to true, otherwise default 191 * values would be used. 192 */ 193struct ice_adv_rule_flags_info { 194 u32 act; 195 u8 act_valid; /* indicate if flags in act are valid */ 196}; 197 198struct ice_adv_rule_info { 199 /* Store metadata values in rule info */ 200 enum ice_sw_tunnel_type tun_type; 201 u16 vlan_type; 202 u16 fltr_rule_id; 203 u32 priority; 204 u16 need_pass_l2:1; 205 u16 allow_pass_l2:1; 206 u16 src_vsi; 207 struct ice_sw_act_ctrl sw_act; 208 struct ice_adv_rule_flags_info flags_info; 209}; 210 211/* A collection of one or more four word recipe */ 212struct ice_sw_recipe { 213 /* For a chained recipe the root recipe is what should be used for 214 * programming rules 215 */ 216 u8 is_root; 217 u8 root_rid; 218 u8 recp_created; 219 220 /* Number of extraction words */ 221 u8 n_ext_words; 222 /* Protocol ID and Offset pair (extraction word) to describe the 223 * recipe 224 */ 225 struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS]; 226 u16 word_masks[ICE_MAX_CHAIN_WORDS]; 227 228 /* if this recipe is a collection of other recipe */ 229 u8 big_recp; 230 231 /* if this recipe is part of another bigger recipe then chain index 232 * corresponding to this recipe 233 */ 234 u8 chain_idx; 235 236 /* if this recipe is a collection of other recipe then count of other 237 * recipes and recipe IDs of those recipes 238 */ 239 u8 n_grp_count; 240 241 /* Bit map specifying the IDs associated with this group of recipe */ 242 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); 243 244 enum ice_sw_tunnel_type tun_type; 245 246 /* List of type ice_fltr_mgmt_list_entry or adv_rule */ 247 u8 adv_rule; 248 struct list_head filt_rules; 249 struct list_head filt_replay_rules; 250 251 struct mutex filt_rule_lock; /* protect filter rule structure */ 252 253 /* Profiles this recipe should be associated with */ 254 struct list_head fv_list; 255 256 /* Profiles this recipe is associated with */ 257 u8 num_profs, *prof_ids; 258 259 /* Bit map for possible result indexes */ 260 DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS); 261 262 /* This allows user to specify the recipe priority. 263 * For now, this becomes 'fwd_priority' when recipe 264 * is created, usually recipes can have 'fwd' and 'join' 265 * priority. 266 */ 267 u8 priority; 268 269 u8 need_pass_l2:1; 270 u8 allow_pass_l2:1; 271 272 struct list_head rg_list; 273 274 /* AQ buffer associated with this recipe */ 275 struct ice_aqc_recipe_data_elem *root_buf; 276 /* This struct saves the fv_words for a given lookup */ 277 struct ice_prot_lkup_ext lkup_exts; 278}; 279 280/* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */ 281struct ice_vsi_list_map_info { 282 struct list_head list_entry; 283 DECLARE_BITMAP(vsi_map, ICE_MAX_VSI); 284 u16 vsi_list_id; 285 /* counter to track how many rules are reusing this VSI list */ 286 u16 ref_cnt; 287}; 288 289struct ice_fltr_list_entry { 290 struct list_head list_entry; 291 int status; 292 struct ice_fltr_info fltr_info; 293}; 294 295/* This defines an entry in the list that maintains MAC or VLAN membership 296 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or 297 * VLAN. As an optimization the VSI list should be created only when a 298 * second VSI becomes a subscriber to the same MAC address. VSI lists are always 299 * used for VLAN membership. 300 */ 301struct ice_fltr_mgmt_list_entry { 302 /* back pointer to VSI list ID to VSI list mapping */ 303 struct ice_vsi_list_map_info *vsi_list_info; 304 u16 vsi_count; 305#define ICE_INVAL_LG_ACT_INDEX 0xffff 306 u16 lg_act_idx; 307#define ICE_INVAL_SW_MARKER_ID 0xffff 308 u16 sw_marker_id; 309 struct list_head list_entry; 310 struct ice_fltr_info fltr_info; 311#define ICE_INVAL_COUNTER_ID 0xff 312 u8 counter_index; 313}; 314 315struct ice_adv_fltr_mgmt_list_entry { 316 struct list_head list_entry; 317 318 struct ice_adv_lkup_elem *lkups; 319 struct ice_adv_rule_info rule_info; 320 u16 lkups_cnt; 321 struct ice_vsi_list_map_info *vsi_list_info; 322 u16 vsi_count; 323}; 324 325enum ice_promisc_flags { 326 ICE_PROMISC_UCAST_RX = 0x1, 327 ICE_PROMISC_UCAST_TX = 0x2, 328 ICE_PROMISC_MCAST_RX = 0x4, 329 ICE_PROMISC_MCAST_TX = 0x8, 330 ICE_PROMISC_BCAST_RX = 0x10, 331 ICE_PROMISC_BCAST_TX = 0x20, 332 ICE_PROMISC_VLAN_RX = 0x40, 333 ICE_PROMISC_VLAN_TX = 0x80, 334}; 335 336/* VSI related commands */ 337int 338ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 339 struct ice_sq_cd *cd); 340int 341ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 342 bool keep_vsi_alloc, struct ice_sq_cd *cd); 343int 344ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 345 struct ice_sq_cd *cd); 346bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle); 347struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle); 348void ice_clear_all_vsi_ctx(struct ice_hw *hw); 349/* Switch config */ 350int ice_get_initial_sw_cfg(struct ice_hw *hw); 351 352int 353ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 354 u16 *counter_id); 355int 356ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 357 u16 counter_id); 358int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id); 359 360/* Switch/bridge related commands */ 361void ice_rule_add_tunnel_metadata(struct ice_adv_lkup_elem *lkup); 362void ice_rule_add_direction_metadata(struct ice_adv_lkup_elem *lkup); 363void ice_rule_add_vlan_metadata(struct ice_adv_lkup_elem *lkup); 364void ice_rule_add_src_vsi_metadata(struct ice_adv_lkup_elem *lkup); 365int 366ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, 367 u16 lkups_cnt, struct ice_adv_rule_info *rinfo, 368 struct ice_rule_query_data *added_entry); 369int ice_update_sw_rule_bridge_mode(struct ice_hw *hw); 370int ice_add_vlan(struct ice_hw *hw, struct list_head *m_list); 371int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list); 372int ice_add_mac(struct ice_hw *hw, struct list_head *m_lst); 373int ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst); 374bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle); 375int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list); 376int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list); 377int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable); 378void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle); 379 380/* Promisc/defport setup for VSIs */ 381int 382ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set, 383 u8 direction); 384bool 385ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, 386 bool *rule_exists); 387 388int 389ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 390 u16 vid); 391int 392ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 393 u16 vid); 394int 395ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 396 bool rm_vlan_promisc); 397 398int 399ice_rem_adv_rule_by_id(struct ice_hw *hw, 400 struct ice_rule_query_data *remove_entry); 401 402int ice_init_def_sw_recp(struct ice_hw *hw); 403u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle); 404 405int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle); 406void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw); 407void ice_fill_eth_hdr(u8 *eth_hdr); 408 409int 410ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz, 411 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd); 412int 413ice_update_recipe_lkup_idx(struct ice_hw *hw, 414 struct ice_update_recipe_lkup_idx_params *params); 415void ice_change_proto_id_to_dvm(void); 416struct ice_vsi_list_map_info * 417ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle, 418 u16 *vsi_list_id); 419int ice_alloc_recipe(struct ice_hw *hw, u16 *rid); 420int ice_aq_get_recipe(struct ice_hw *hw, 421 struct ice_aqc_recipe_data_elem *s_recipe_list, 422 u16 *num_recipes, u16 recipe_root, struct ice_sq_cd *cd); 423int ice_aq_add_recipe(struct ice_hw *hw, 424 struct ice_aqc_recipe_data_elem *s_recipe_list, 425 u16 num_recipes, struct ice_sq_cd *cd); 426int 427ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 *r_assoc, 428 struct ice_sq_cd *cd); 429int 430ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 r_assoc, 431 struct ice_sq_cd *cd); 432 433#endif /* _ICE_SWITCH_H_ */ 434