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