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 #define ICE_SW_RULE_RX_TX_NO_HDR_SIZE \ 18 (offsetof(struct ice_aqc_sw_rules_elem, pdata.lkup_tx_rx.hdr)) 19 20 /* VSI context structure for add/get/update/free operations */ 21 struct ice_vsi_ctx { 22 u16 vsi_num; 23 u16 vsis_allocd; 24 u16 vsis_unallocated; 25 u16 flags; 26 struct ice_aqc_vsi_props info; 27 struct ice_sched_vsi_info sched; 28 u8 alloc_from_pool; 29 u8 vf_num; 30 u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS]; 31 struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 32 u16 num_rdma_q_entries[ICE_MAX_TRAFFIC_CLASS]; 33 struct ice_q_ctx *rdma_q_ctx[ICE_MAX_TRAFFIC_CLASS]; 34 }; 35 36 enum ice_sw_fwd_act_type { 37 ICE_FWD_TO_VSI = 0, 38 ICE_FWD_TO_VSI_LIST, /* Do not use this when adding filter */ 39 ICE_FWD_TO_Q, 40 ICE_FWD_TO_QGRP, 41 ICE_DROP_PACKET, 42 ICE_INVAL_ACT 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 } vlan; 90 /* Set lkup_type as ICE_SW_LKUP_ETHERTYPE 91 * if just using ethertype as filter. Set lkup_type as 92 * ICE_SW_LKUP_ETHERTYPE_MAC if MAC also needs to be 93 * passed in as filter. 94 */ 95 struct { 96 u16 ethertype; 97 u8 mac_addr[ETH_ALEN]; /* optional */ 98 } ethertype_mac; 99 } l_data; /* Make sure to zero out the memory of l_data before using 100 * it or only set the data associated with lookup match 101 * rest everything should be zero 102 */ 103 104 /* Depending on filter action */ 105 union { 106 /* queue ID in case of ICE_FWD_TO_Q and starting 107 * queue ID in case of ICE_FWD_TO_QGRP. 108 */ 109 u16 q_id:11; 110 u16 hw_vsi_id:10; 111 u16 vsi_list_id:10; 112 } fwd_id; 113 114 /* Sw VSI handle */ 115 u16 vsi_handle; 116 117 /* Set to num_queues if action is ICE_FWD_TO_QGRP. This field 118 * determines the range of queues the packet needs to be forwarded to. 119 * Note that qgrp_size must be set to a power of 2. 120 */ 121 u8 qgrp_size; 122 123 /* Rule creations populate these indicators basing on the switch type */ 124 u8 lb_en; /* Indicate if packet can be looped back */ 125 u8 lan_en; /* Indicate if packet can be forwarded to the uplink */ 126 }; 127 128 struct ice_adv_lkup_elem { 129 enum ice_protocol_type type; 130 union ice_prot_hdr h_u; /* Header values */ 131 union ice_prot_hdr m_u; /* Mask of header values to match */ 132 }; 133 134 struct ice_sw_act_ctrl { 135 /* Source VSI for LOOKUP_TX or source port for LOOKUP_RX */ 136 u16 src; 137 u16 flag; 138 enum ice_sw_fwd_act_type fltr_act; 139 /* Depending on filter action */ 140 union { 141 /* This is a queue ID in case of ICE_FWD_TO_Q and starting 142 * queue ID in case of ICE_FWD_TO_QGRP. 143 */ 144 u16 q_id:11; 145 u16 vsi_id:10; 146 u16 hw_vsi_id:10; 147 u16 vsi_list_id:10; 148 } fwd_id; 149 /* software VSI handle */ 150 u16 vsi_handle; 151 u8 qgrp_size; 152 }; 153 154 struct ice_rule_query_data { 155 /* Recipe ID for which the requested rule was added */ 156 u16 rid; 157 /* Rule ID that was added or is supposed to be removed */ 158 u16 rule_id; 159 /* vsi_handle for which Rule was added or is supposed to be removed */ 160 u16 vsi_handle; 161 }; 162 163 /* This structure allows to pass info about lb_en and lan_en 164 * flags to ice_add_adv_rule. Values in act would be used 165 * only if act_valid was set to true, otherwise default 166 * values would be used. 167 */ 168 struct ice_adv_rule_flags_info { 169 u32 act; 170 u8 act_valid; /* indicate if flags in act are valid */ 171 }; 172 173 struct ice_adv_rule_info { 174 enum ice_sw_tunnel_type tun_type; 175 struct ice_sw_act_ctrl sw_act; 176 u32 priority; 177 u8 rx; /* true means LOOKUP_RX otherwise LOOKUP_TX */ 178 u16 fltr_rule_id; 179 struct ice_adv_rule_flags_info flags_info; 180 }; 181 182 /* A collection of one or more four word recipe */ 183 struct ice_sw_recipe { 184 /* For a chained recipe the root recipe is what should be used for 185 * programming rules 186 */ 187 u8 is_root; 188 u8 root_rid; 189 u8 recp_created; 190 191 /* Number of extraction words */ 192 u8 n_ext_words; 193 /* Protocol ID and Offset pair (extraction word) to describe the 194 * recipe 195 */ 196 struct ice_fv_word ext_words[ICE_MAX_CHAIN_WORDS]; 197 u16 word_masks[ICE_MAX_CHAIN_WORDS]; 198 199 /* if this recipe is a collection of other recipe */ 200 u8 big_recp; 201 202 /* if this recipe is part of another bigger recipe then chain index 203 * corresponding to this recipe 204 */ 205 u8 chain_idx; 206 207 /* if this recipe is a collection of other recipe then count of other 208 * recipes and recipe IDs of those recipes 209 */ 210 u8 n_grp_count; 211 212 /* Bit map specifying the IDs associated with this group of recipe */ 213 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); 214 215 enum ice_sw_tunnel_type tun_type; 216 217 /* List of type ice_fltr_mgmt_list_entry or adv_rule */ 218 u8 adv_rule; 219 struct list_head filt_rules; 220 struct list_head filt_replay_rules; 221 222 struct mutex filt_rule_lock; /* protect filter rule structure */ 223 224 /* Profiles this recipe should be associated with */ 225 struct list_head fv_list; 226 227 /* Profiles this recipe is associated with */ 228 u8 num_profs, *prof_ids; 229 230 /* Bit map for possible result indexes */ 231 DECLARE_BITMAP(res_idxs, ICE_MAX_FV_WORDS); 232 233 /* This allows user to specify the recipe priority. 234 * For now, this becomes 'fwd_priority' when recipe 235 * is created, usually recipes can have 'fwd' and 'join' 236 * priority. 237 */ 238 u8 priority; 239 240 struct list_head rg_list; 241 242 /* AQ buffer associated with this recipe */ 243 struct ice_aqc_recipe_data_elem *root_buf; 244 /* This struct saves the fv_words for a given lookup */ 245 struct ice_prot_lkup_ext lkup_exts; 246 }; 247 248 /* Bookkeeping structure to hold bitmap of VSIs corresponding to VSI list ID */ 249 struct ice_vsi_list_map_info { 250 struct list_head list_entry; 251 DECLARE_BITMAP(vsi_map, ICE_MAX_VSI); 252 u16 vsi_list_id; 253 /* counter to track how many rules are reusing this VSI list */ 254 u16 ref_cnt; 255 }; 256 257 struct ice_fltr_list_entry { 258 struct list_head list_entry; 259 int status; 260 struct ice_fltr_info fltr_info; 261 }; 262 263 /* This defines an entry in the list that maintains MAC or VLAN membership 264 * to HW list mapping, since multiple VSIs can subscribe to the same MAC or 265 * VLAN. As an optimization the VSI list should be created only when a 266 * second VSI becomes a subscriber to the same MAC address. VSI lists are always 267 * used for VLAN membership. 268 */ 269 struct ice_fltr_mgmt_list_entry { 270 /* back pointer to VSI list ID to VSI list mapping */ 271 struct ice_vsi_list_map_info *vsi_list_info; 272 u16 vsi_count; 273 #define ICE_INVAL_LG_ACT_INDEX 0xffff 274 u16 lg_act_idx; 275 #define ICE_INVAL_SW_MARKER_ID 0xffff 276 u16 sw_marker_id; 277 struct list_head list_entry; 278 struct ice_fltr_info fltr_info; 279 #define ICE_INVAL_COUNTER_ID 0xff 280 u8 counter_index; 281 }; 282 283 struct ice_adv_fltr_mgmt_list_entry { 284 struct list_head list_entry; 285 286 struct ice_adv_lkup_elem *lkups; 287 struct ice_adv_rule_info rule_info; 288 u16 lkups_cnt; 289 struct ice_vsi_list_map_info *vsi_list_info; 290 u16 vsi_count; 291 }; 292 293 enum ice_promisc_flags { 294 ICE_PROMISC_UCAST_RX = 0x1, 295 ICE_PROMISC_UCAST_TX = 0x2, 296 ICE_PROMISC_MCAST_RX = 0x4, 297 ICE_PROMISC_MCAST_TX = 0x8, 298 ICE_PROMISC_BCAST_RX = 0x10, 299 ICE_PROMISC_BCAST_TX = 0x20, 300 ICE_PROMISC_VLAN_RX = 0x40, 301 ICE_PROMISC_VLAN_TX = 0x80, 302 }; 303 304 /* VSI related commands */ 305 int 306 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 307 struct ice_sq_cd *cd); 308 int 309 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 310 bool keep_vsi_alloc, struct ice_sq_cd *cd); 311 int 312 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 313 struct ice_sq_cd *cd); 314 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle); 315 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle); 316 void ice_clear_all_vsi_ctx(struct ice_hw *hw); 317 /* Switch config */ 318 int ice_get_initial_sw_cfg(struct ice_hw *hw); 319 320 int 321 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 322 u16 *counter_id); 323 int 324 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 325 u16 counter_id); 326 327 /* Switch/bridge related commands */ 328 int 329 ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, 330 u16 lkups_cnt, struct ice_adv_rule_info *rinfo, 331 struct ice_rule_query_data *added_entry); 332 int ice_update_sw_rule_bridge_mode(struct ice_hw *hw); 333 int ice_add_vlan(struct ice_hw *hw, struct list_head *m_list); 334 int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list); 335 int ice_add_mac(struct ice_hw *hw, struct list_head *m_lst); 336 int ice_remove_mac(struct ice_hw *hw, struct list_head *m_lst); 337 bool ice_mac_fltr_exist(struct ice_hw *hw, u8 *mac, u16 vsi_handle); 338 bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle); 339 int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list); 340 int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list); 341 int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable); 342 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle); 343 344 /* Promisc/defport setup for VSIs */ 345 int ice_cfg_dflt_vsi(struct ice_hw *hw, u16 vsi_handle, bool set, u8 direction); 346 int 347 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 348 u16 vid); 349 int 350 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 351 u16 vid); 352 int 353 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 354 bool rm_vlan_promisc); 355 356 int ice_rem_adv_rule_for_vsi(struct ice_hw *hw, u16 vsi_handle); 357 int 358 ice_rem_adv_rule_by_id(struct ice_hw *hw, 359 struct ice_rule_query_data *remove_entry); 360 361 int ice_init_def_sw_recp(struct ice_hw *hw); 362 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle); 363 364 int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle); 365 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw); 366 367 int 368 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz, 369 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd); 370 #endif /* _ICE_SWITCH_H_ */ 371