1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ 2 /* QLogic qed NIC Driver 3 * Copyright (c) 2015-2017 QLogic Corporation 4 * Copyright (c) 2019-2020 Marvell International Ltd. 5 */ 6 7 #ifndef _QED_L2_H 8 #define _QED_L2_H 9 #include <linux/types.h> 10 #include <linux/io.h> 11 #include <linux/kernel.h> 12 #include <linux/slab.h> 13 #include <linux/qed/qed_eth_if.h> 14 #include "qed.h" 15 #include "qed_hw.h" 16 #include "qed_sp.h" 17 struct qed_rss_params { 18 u8 update_rss_config; 19 u8 rss_enable; 20 u8 rss_eng_id; 21 u8 update_rss_capabilities; 22 u8 update_rss_ind_table; 23 u8 update_rss_key; 24 u8 rss_caps; 25 u8 rss_table_size_log; 26 27 /* Indirection table consist of rx queue handles */ 28 void *rss_ind_table[QED_RSS_IND_TABLE_SIZE]; 29 u32 rss_key[QED_RSS_KEY_SIZE]; 30 }; 31 32 struct qed_sge_tpa_params { 33 u8 max_buffers_per_cqe; 34 35 u8 update_tpa_en_flg; 36 u8 tpa_ipv4_en_flg; 37 u8 tpa_ipv6_en_flg; 38 u8 tpa_ipv4_tunn_en_flg; 39 u8 tpa_ipv6_tunn_en_flg; 40 41 u8 update_tpa_param_flg; 42 u8 tpa_pkt_split_flg; 43 u8 tpa_hdr_data_split_flg; 44 u8 tpa_gro_consistent_flg; 45 u8 tpa_max_aggs_num; 46 u16 tpa_max_size; 47 u16 tpa_min_size_to_start; 48 u16 tpa_min_size_to_cont; 49 }; 50 51 enum qed_filter_opcode { 52 QED_FILTER_ADD, 53 QED_FILTER_REMOVE, 54 QED_FILTER_MOVE, 55 QED_FILTER_REPLACE, /* Delete all MACs and add new one instead */ 56 QED_FILTER_FLUSH, /* Removes all filters */ 57 }; 58 59 enum qed_filter_ucast_type { 60 QED_FILTER_MAC, 61 QED_FILTER_VLAN, 62 QED_FILTER_MAC_VLAN, 63 QED_FILTER_INNER_MAC, 64 QED_FILTER_INNER_VLAN, 65 QED_FILTER_INNER_PAIR, 66 QED_FILTER_INNER_MAC_VNI_PAIR, 67 QED_FILTER_MAC_VNI_PAIR, 68 QED_FILTER_VNI, 69 }; 70 71 struct qed_filter_ucast { 72 enum qed_filter_opcode opcode; 73 enum qed_filter_ucast_type type; 74 u8 is_rx_filter; 75 u8 is_tx_filter; 76 u8 vport_to_add_to; 77 u8 vport_to_remove_from; 78 unsigned char mac[ETH_ALEN]; 79 u8 assert_on_error; 80 u16 vlan; 81 u32 vni; 82 }; 83 84 struct qed_filter_mcast { 85 /* MOVE is not supported for multicast */ 86 enum qed_filter_opcode opcode; 87 u8 vport_to_add_to; 88 u8 vport_to_remove_from; 89 u8 num_mc_addrs; 90 #define QED_MAX_MC_ADDRS 64 91 unsigned char mac[QED_MAX_MC_ADDRS][ETH_ALEN]; 92 }; 93 94 /** 95 * qed_eth_rx_queue_stop(): This ramrod closes an Rx queue. 96 * 97 * @p_hwfn: HW device data. 98 * @p_rxq: Handler of queue to close 99 * @eq_completion_only: If True completion will be on 100 * EQe, if False completion will be 101 * on EQe if p_hwfn opaque 102 * different from the RXQ opaque 103 * otherwise on CQe. 104 * @cqe_completion: If True completion will be receive on CQe. 105 * 106 * Return: Int. 107 */ 108 int 109 qed_eth_rx_queue_stop(struct qed_hwfn *p_hwfn, 110 void *p_rxq, 111 bool eq_completion_only, bool cqe_completion); 112 113 /** 114 * qed_eth_tx_queue_stop(): Closes a Tx queue. 115 * 116 * @p_hwfn: HW device data. 117 * @p_txq: handle to Tx queue needed to be closed. 118 * 119 * Return: Int. 120 */ 121 int qed_eth_tx_queue_stop(struct qed_hwfn *p_hwfn, void *p_txq); 122 123 enum qed_tpa_mode { 124 QED_TPA_MODE_NONE, 125 QED_TPA_MODE_UNUSED, 126 QED_TPA_MODE_GRO, 127 QED_TPA_MODE_MAX 128 }; 129 130 struct qed_sp_vport_start_params { 131 enum qed_tpa_mode tpa_mode; 132 bool remove_inner_vlan; 133 bool tx_switching; 134 bool handle_ptp_pkts; 135 bool only_untagged; 136 bool drop_ttl0; 137 u8 max_buffers_per_cqe; 138 u32 concrete_fid; 139 u16 opaque_fid; 140 u8 vport_id; 141 u16 mtu; 142 bool check_mac; 143 bool check_ethtype; 144 }; 145 146 int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn, 147 struct qed_sp_vport_start_params *p_params); 148 149 150 struct qed_filter_accept_flags { 151 u8 update_rx_mode_config; 152 u8 update_tx_mode_config; 153 u8 rx_accept_filter; 154 u8 tx_accept_filter; 155 #define QED_ACCEPT_NONE 0x01 156 #define QED_ACCEPT_UCAST_MATCHED 0x02 157 #define QED_ACCEPT_UCAST_UNMATCHED 0x04 158 #define QED_ACCEPT_MCAST_MATCHED 0x08 159 #define QED_ACCEPT_MCAST_UNMATCHED 0x10 160 #define QED_ACCEPT_BCAST 0x20 161 #define QED_ACCEPT_ANY_VNI 0x40 162 }; 163 164 struct qed_arfs_config_params { 165 bool tcp; 166 bool udp; 167 bool ipv4; 168 bool ipv6; 169 enum qed_filter_config_mode mode; 170 }; 171 172 struct qed_sp_vport_update_params { 173 u16 opaque_fid; 174 u8 vport_id; 175 u8 update_vport_active_rx_flg; 176 u8 vport_active_rx_flg; 177 u8 update_vport_active_tx_flg; 178 u8 vport_active_tx_flg; 179 u8 update_inner_vlan_removal_flg; 180 u8 inner_vlan_removal_flg; 181 u8 silent_vlan_removal_flg; 182 u8 update_default_vlan_enable_flg; 183 u8 default_vlan_enable_flg; 184 u8 update_default_vlan_flg; 185 u16 default_vlan; 186 u8 update_tx_switching_flg; 187 u8 tx_switching_flg; 188 u8 update_approx_mcast_flg; 189 u8 update_anti_spoofing_en_flg; 190 u8 anti_spoofing_en; 191 u8 update_accept_any_vlan_flg; 192 u8 accept_any_vlan; 193 u32 bins[8]; 194 struct qed_rss_params *rss_params; 195 struct qed_filter_accept_flags accept_flags; 196 struct qed_sge_tpa_params *sge_tpa_params; 197 u8 update_ctl_frame_check; 198 u8 mac_chk_en; 199 u8 ethtype_chk_en; 200 }; 201 202 int qed_sp_vport_update(struct qed_hwfn *p_hwfn, 203 struct qed_sp_vport_update_params *p_params, 204 enum spq_mode comp_mode, 205 struct qed_spq_comp_cb *p_comp_data); 206 207 /** 208 * qed_sp_vport_stop: This ramrod closes a VPort after all its 209 * RX and TX queues are terminated. 210 * An Assert is generated if any queues are left open. 211 * 212 * @p_hwfn: HW device data. 213 * @opaque_fid: Opaque FID 214 * @vport_id: VPort ID. 215 * 216 * Return: Int. 217 */ 218 int qed_sp_vport_stop(struct qed_hwfn *p_hwfn, u16 opaque_fid, u8 vport_id); 219 220 int qed_sp_eth_filter_ucast(struct qed_hwfn *p_hwfn, 221 u16 opaque_fid, 222 struct qed_filter_ucast *p_filter_cmd, 223 enum spq_mode comp_mode, 224 struct qed_spq_comp_cb *p_comp_data); 225 226 /** 227 * qed_sp_eth_rx_queues_update(): This ramrod updates an RX queue. 228 * It is used for setting the active state 229 * of the queue and updating the TPA and 230 * SGE parameters. 231 * @p_hwfn: HW device data. 232 * @pp_rxq_handlers: An array of queue handlers to be updated. 233 * @num_rxqs: number of queues to update. 234 * @complete_cqe_flg: Post completion to the CQE Ring if set. 235 * @complete_event_flg: Post completion to the Event Ring if set. 236 * @comp_mode: Comp mode. 237 * @p_comp_data: Pointer Comp data. 238 * 239 * Return: Int. 240 * 241 * Note At the moment - only used by non-linux VFs. 242 */ 243 244 int 245 qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn, 246 void **pp_rxq_handlers, 247 u8 num_rxqs, 248 u8 complete_cqe_flg, 249 u8 complete_event_flg, 250 enum spq_mode comp_mode, 251 struct qed_spq_comp_cb *p_comp_data); 252 253 /** 254 * qed_get_vport_stats(): Fills provided statistics 255 * struct with statistics. 256 * 257 * @cdev: Qed dev pointer. 258 * @stats: Points to struct that will be filled with statistics. 259 * 260 * Return: Void. 261 */ 262 void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats); 263 264 /** 265 * qed_get_vport_stats_context(): Fills provided statistics 266 * struct with statistics. 267 * 268 * @cdev: Qed dev pointer. 269 * @stats: Points to struct that will be filled with statistics. 270 * @is_atomic: Hint from the caller - if the func can sleep or not. 271 * 272 * Context: The function should not sleep in case is_atomic == true. 273 * Return: Void. 274 */ 275 void qed_get_vport_stats_context(struct qed_dev *cdev, 276 struct qed_eth_stats *stats, 277 bool is_atomic); 278 279 void qed_reset_vport_stats(struct qed_dev *cdev); 280 281 /** 282 * qed_arfs_mode_configure(): Enable or disable rfs mode. 283 * It must accept at least one of tcp or udp true 284 * and at least one of ipv4 or ipv6 true to enable 285 * rfs mode. 286 * 287 * @p_hwfn: HW device data. 288 * @p_ptt: P_ptt. 289 * @p_cfg_params: arfs mode configuration parameters. 290 * 291 * Return. Void. 292 */ 293 void qed_arfs_mode_configure(struct qed_hwfn *p_hwfn, 294 struct qed_ptt *p_ptt, 295 struct qed_arfs_config_params *p_cfg_params); 296 297 /** 298 * qed_configure_rfs_ntuple_filter(): This ramrod should be used to add 299 * or remove arfs hw filter 300 * 301 * @p_hwfn: HW device data. 302 * @p_cb: Used for QED_SPQ_MODE_CB,where client would initialize 303 * it with cookie and callback function address, if not 304 * using this mode then client must pass NULL. 305 * @p_params: Pointer to params. 306 * 307 * Return: Void. 308 */ 309 int 310 qed_configure_rfs_ntuple_filter(struct qed_hwfn *p_hwfn, 311 struct qed_spq_comp_cb *p_cb, 312 struct qed_ntuple_filter_params *p_params); 313 314 #define MAX_QUEUES_PER_QZONE (sizeof(unsigned long) * 8) 315 #define QED_QUEUE_CID_SELF (0xff) 316 317 /* Almost identical to the qed_queue_start_common_params, 318 * but here we maintain the SB index in IGU CAM. 319 */ 320 struct qed_queue_cid_params { 321 u8 vport_id; 322 u16 queue_id; 323 u8 stats_id; 324 }; 325 326 /* Additional parameters required for initialization of the queue_cid 327 * and are relevant only for a PF initializing one for its VFs. 328 */ 329 struct qed_queue_cid_vf_params { 330 /* Should match the VF's relative index */ 331 u8 vfid; 332 333 /* 0-based queue index. Should reflect the relative qzone the 334 * VF thinks is associated with it [in its range]. 335 */ 336 u8 vf_qid; 337 338 /* Indicates a VF is legacy, making it differ in several things: 339 * - Producers would be placed in a different place. 340 * - Makes assumptions regarding the CIDs. 341 */ 342 u8 vf_legacy; 343 344 u8 qid_usage_idx; 345 }; 346 347 struct qed_queue_cid { 348 /* For stats-id, the `rel' is actually absolute as well */ 349 struct qed_queue_cid_params rel; 350 struct qed_queue_cid_params abs; 351 352 /* These have no 'relative' meaning */ 353 u16 sb_igu_id; 354 u8 sb_idx; 355 356 u32 cid; 357 u16 opaque_fid; 358 359 bool b_is_rx; 360 361 /* VFs queues are mapped differently, so we need to know the 362 * relative queue associated with them [0-based]. 363 * Notice this is relevant on the *PF* queue-cid of its VF's queues, 364 * and not on the VF itself. 365 */ 366 u8 vfid; 367 u8 vf_qid; 368 369 /* We need an additional index to differentiate between queues opened 370 * for same queue-zone, as VFs would have to communicate the info 371 * to the PF [otherwise PF has no way to differentiate]. 372 */ 373 u8 qid_usage_idx; 374 375 u8 vf_legacy; 376 #define QED_QCID_LEGACY_VF_RX_PROD (BIT(0)) 377 #define QED_QCID_LEGACY_VF_CID (BIT(1)) 378 379 struct qed_hwfn *p_owner; 380 }; 381 382 int qed_l2_alloc(struct qed_hwfn *p_hwfn); 383 void qed_l2_setup(struct qed_hwfn *p_hwfn); 384 void qed_l2_free(struct qed_hwfn *p_hwfn); 385 386 void qed_eth_queue_cid_release(struct qed_hwfn *p_hwfn, 387 struct qed_queue_cid *p_cid); 388 389 struct qed_queue_cid * 390 qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn, 391 u16 opaque_fid, 392 struct qed_queue_start_common_params *p_params, 393 bool b_is_rx, 394 struct qed_queue_cid_vf_params *p_vf_params); 395 396 int 397 qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn, 398 struct qed_sp_vport_start_params *p_params); 399 400 /** 401 * qed_eth_rxq_start_ramrod(): Starts an Rx queue, when queue_cid is 402 * already prepared 403 * 404 * @p_hwfn: HW device data. 405 * @p_cid: Pointer CID. 406 * @bd_max_bytes: Max bytes. 407 * @bd_chain_phys_addr: Chain physcial address. 408 * @cqe_pbl_addr: PBL address. 409 * @cqe_pbl_size: PBL size. 410 * 411 * Return: Int. 412 */ 413 int 414 qed_eth_rxq_start_ramrod(struct qed_hwfn *p_hwfn, 415 struct qed_queue_cid *p_cid, 416 u16 bd_max_bytes, 417 dma_addr_t bd_chain_phys_addr, 418 dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size); 419 420 /** 421 * qed_eth_txq_start_ramrod(): Starts a Tx queue, where queue_cid is 422 * already prepared 423 * 424 * @p_hwfn: HW device data. 425 * @p_cid: Pointer CID. 426 * @pbl_addr: PBL address. 427 * @pbl_size: PBL size. 428 * @pq_id: Parameters for choosing the PQ for this Tx queue. 429 * 430 * Return: Int. 431 */ 432 int 433 qed_eth_txq_start_ramrod(struct qed_hwfn *p_hwfn, 434 struct qed_queue_cid *p_cid, 435 dma_addr_t pbl_addr, u16 pbl_size, u16 pq_id); 436 437 u8 qed_mcast_bin_from_mac(u8 *mac); 438 439 int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn, 440 struct qed_ptt *p_ptt, 441 u16 coalesce, struct qed_queue_cid *p_cid); 442 443 int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn, 444 struct qed_ptt *p_ptt, 445 u16 coalesce, struct qed_queue_cid *p_cid); 446 447 int qed_get_rxq_coalesce(struct qed_hwfn *p_hwfn, 448 struct qed_ptt *p_ptt, 449 struct qed_queue_cid *p_cid, u16 *p_hw_coal); 450 451 int qed_get_txq_coalesce(struct qed_hwfn *p_hwfn, 452 struct qed_ptt *p_ptt, 453 struct qed_queue_cid *p_cid, u16 *p_hw_coal); 454 455 #endif 456