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 struct qed_filter_accept_flags { 150 u8 update_rx_mode_config; 151 u8 update_tx_mode_config; 152 u8 rx_accept_filter; 153 u8 tx_accept_filter; 154 #define QED_ACCEPT_NONE 0x01 155 #define QED_ACCEPT_UCAST_MATCHED 0x02 156 #define QED_ACCEPT_UCAST_UNMATCHED 0x04 157 #define QED_ACCEPT_MCAST_MATCHED 0x08 158 #define QED_ACCEPT_MCAST_UNMATCHED 0x10 159 #define QED_ACCEPT_BCAST 0x20 160 #define QED_ACCEPT_ANY_VNI 0x40 161 }; 162 163 struct qed_arfs_config_params { 164 bool tcp; 165 bool udp; 166 bool ipv4; 167 bool ipv6; 168 enum qed_filter_config_mode mode; 169 }; 170 171 struct qed_sp_vport_update_params { 172 u16 opaque_fid; 173 u8 vport_id; 174 u8 update_vport_active_rx_flg; 175 u8 vport_active_rx_flg; 176 u8 update_vport_active_tx_flg; 177 u8 vport_active_tx_flg; 178 u8 update_inner_vlan_removal_flg; 179 u8 inner_vlan_removal_flg; 180 u8 silent_vlan_removal_flg; 181 u8 update_default_vlan_enable_flg; 182 u8 default_vlan_enable_flg; 183 u8 update_default_vlan_flg; 184 u16 default_vlan; 185 u8 update_tx_switching_flg; 186 u8 tx_switching_flg; 187 u8 update_approx_mcast_flg; 188 u8 update_anti_spoofing_en_flg; 189 u8 anti_spoofing_en; 190 u8 update_accept_any_vlan_flg; 191 u8 accept_any_vlan; 192 u32 bins[8]; 193 struct qed_rss_params *rss_params; 194 struct qed_filter_accept_flags accept_flags; 195 struct qed_sge_tpa_params *sge_tpa_params; 196 u8 update_ctl_frame_check; 197 u8 mac_chk_en; 198 u8 ethtype_chk_en; 199 }; 200 201 int qed_sp_vport_update(struct qed_hwfn *p_hwfn, 202 struct qed_sp_vport_update_params *p_params, 203 enum spq_mode comp_mode, 204 struct qed_spq_comp_cb *p_comp_data); 205 206 /** 207 * qed_sp_vport_stop: This ramrod closes a VPort after all its 208 * RX and TX queues are terminated. 209 * An Assert is generated if any queues are left open. 210 * 211 * @p_hwfn: HW device data. 212 * @opaque_fid: Opaque FID 213 * @vport_id: VPort ID. 214 * 215 * Return: Int. 216 */ 217 int qed_sp_vport_stop(struct qed_hwfn *p_hwfn, u16 opaque_fid, u8 vport_id); 218 219 int qed_sp_eth_filter_ucast(struct qed_hwfn *p_hwfn, 220 u16 opaque_fid, 221 struct qed_filter_ucast *p_filter_cmd, 222 enum spq_mode comp_mode, 223 struct qed_spq_comp_cb *p_comp_data); 224 225 /** 226 * qed_sp_eth_rx_queues_update(): This ramrod updates an RX queue. 227 * It is used for setting the active state 228 * of the queue and updating the TPA and 229 * SGE parameters. 230 * @p_hwfn: HW device data. 231 * @pp_rxq_handlers: An array of queue handlers to be updated. 232 * @num_rxqs: number of queues to update. 233 * @complete_cqe_flg: Post completion to the CQE Ring if set. 234 * @complete_event_flg: Post completion to the Event Ring if set. 235 * @comp_mode: Comp mode. 236 * @p_comp_data: Pointer Comp data. 237 * 238 * Return: Int. 239 * 240 * Note At the moment - only used by non-linux VFs. 241 */ 242 243 int 244 qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn, 245 void **pp_rxq_handlers, 246 u8 num_rxqs, 247 u8 complete_cqe_flg, 248 u8 complete_event_flg, 249 enum spq_mode comp_mode, 250 struct qed_spq_comp_cb *p_comp_data); 251 252 void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats); 253 254 void qed_reset_vport_stats(struct qed_dev *cdev); 255 256 /** 257 * qed_arfs_mode_configure(): Enable or disable rfs mode. 258 * It must accept at least one of tcp or udp true 259 * and at least one of ipv4 or ipv6 true to enable 260 * rfs mode. 261 * 262 * @p_hwfn: HW device data. 263 * @p_ptt: P_ptt. 264 * @p_cfg_params: arfs mode configuration parameters. 265 * 266 * Return. Void. 267 */ 268 void qed_arfs_mode_configure(struct qed_hwfn *p_hwfn, 269 struct qed_ptt *p_ptt, 270 struct qed_arfs_config_params *p_cfg_params); 271 272 /** 273 * qed_configure_rfs_ntuple_filter(): This ramrod should be used to add 274 * or remove arfs hw filter 275 * 276 * @p_hwfn: HW device data. 277 * @p_cb: Used for QED_SPQ_MODE_CB,where client would initialize 278 * it with cookie and callback function address, if not 279 * using this mode then client must pass NULL. 280 * @p_params: Pointer to params. 281 * 282 * Return: Void. 283 */ 284 int 285 qed_configure_rfs_ntuple_filter(struct qed_hwfn *p_hwfn, 286 struct qed_spq_comp_cb *p_cb, 287 struct qed_ntuple_filter_params *p_params); 288 289 #define MAX_QUEUES_PER_QZONE (sizeof(unsigned long) * 8) 290 #define QED_QUEUE_CID_SELF (0xff) 291 292 /* Almost identical to the qed_queue_start_common_params, 293 * but here we maintain the SB index in IGU CAM. 294 */ 295 struct qed_queue_cid_params { 296 u8 vport_id; 297 u16 queue_id; 298 u8 stats_id; 299 }; 300 301 /* Additional parameters required for initialization of the queue_cid 302 * and are relevant only for a PF initializing one for its VFs. 303 */ 304 struct qed_queue_cid_vf_params { 305 /* Should match the VF's relative index */ 306 u8 vfid; 307 308 /* 0-based queue index. Should reflect the relative qzone the 309 * VF thinks is associated with it [in its range]. 310 */ 311 u8 vf_qid; 312 313 /* Indicates a VF is legacy, making it differ in several things: 314 * - Producers would be placed in a different place. 315 * - Makes assumptions regarding the CIDs. 316 */ 317 u8 vf_legacy; 318 319 u8 qid_usage_idx; 320 }; 321 322 struct qed_queue_cid { 323 /* For stats-id, the `rel' is actually absolute as well */ 324 struct qed_queue_cid_params rel; 325 struct qed_queue_cid_params abs; 326 327 /* These have no 'relative' meaning */ 328 u16 sb_igu_id; 329 u8 sb_idx; 330 331 u32 cid; 332 u16 opaque_fid; 333 334 bool b_is_rx; 335 336 /* VFs queues are mapped differently, so we need to know the 337 * relative queue associated with them [0-based]. 338 * Notice this is relevant on the *PF* queue-cid of its VF's queues, 339 * and not on the VF itself. 340 */ 341 u8 vfid; 342 u8 vf_qid; 343 344 /* We need an additional index to differentiate between queues opened 345 * for same queue-zone, as VFs would have to communicate the info 346 * to the PF [otherwise PF has no way to differentiate]. 347 */ 348 u8 qid_usage_idx; 349 350 u8 vf_legacy; 351 #define QED_QCID_LEGACY_VF_RX_PROD (BIT(0)) 352 #define QED_QCID_LEGACY_VF_CID (BIT(1)) 353 354 struct qed_hwfn *p_owner; 355 }; 356 357 int qed_l2_alloc(struct qed_hwfn *p_hwfn); 358 void qed_l2_setup(struct qed_hwfn *p_hwfn); 359 void qed_l2_free(struct qed_hwfn *p_hwfn); 360 361 void qed_eth_queue_cid_release(struct qed_hwfn *p_hwfn, 362 struct qed_queue_cid *p_cid); 363 364 struct qed_queue_cid * 365 qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn, 366 u16 opaque_fid, 367 struct qed_queue_start_common_params *p_params, 368 bool b_is_rx, 369 struct qed_queue_cid_vf_params *p_vf_params); 370 371 int 372 qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn, 373 struct qed_sp_vport_start_params *p_params); 374 375 /** 376 * qed_eth_rxq_start_ramrod(): Starts an Rx queue, when queue_cid is 377 * already prepared 378 * 379 * @p_hwfn: HW device data. 380 * @p_cid: Pointer CID. 381 * @bd_max_bytes: Max bytes. 382 * @bd_chain_phys_addr: Chain physcial address. 383 * @cqe_pbl_addr: PBL address. 384 * @cqe_pbl_size: PBL size. 385 * 386 * Return: Int. 387 */ 388 int 389 qed_eth_rxq_start_ramrod(struct qed_hwfn *p_hwfn, 390 struct qed_queue_cid *p_cid, 391 u16 bd_max_bytes, 392 dma_addr_t bd_chain_phys_addr, 393 dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size); 394 395 /** 396 * qed_eth_txq_start_ramrod(): Starts a Tx queue, where queue_cid is 397 * already prepared 398 * 399 * @p_hwfn: HW device data. 400 * @p_cid: Pointer CID. 401 * @pbl_addr: PBL address. 402 * @pbl_size: PBL size. 403 * @pq_id: Parameters for choosing the PQ for this Tx queue. 404 * 405 * Return: Int. 406 */ 407 int 408 qed_eth_txq_start_ramrod(struct qed_hwfn *p_hwfn, 409 struct qed_queue_cid *p_cid, 410 dma_addr_t pbl_addr, u16 pbl_size, u16 pq_id); 411 412 u8 qed_mcast_bin_from_mac(u8 *mac); 413 414 int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn, 415 struct qed_ptt *p_ptt, 416 u16 coalesce, struct qed_queue_cid *p_cid); 417 418 int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn, 419 struct qed_ptt *p_ptt, 420 u16 coalesce, struct qed_queue_cid *p_cid); 421 422 int qed_get_rxq_coalesce(struct qed_hwfn *p_hwfn, 423 struct qed_ptt *p_ptt, 424 struct qed_queue_cid *p_cid, u16 *p_hw_coal); 425 426 int qed_get_txq_coalesce(struct qed_hwfn *p_hwfn, 427 struct qed_ptt *p_ptt, 428 struct qed_queue_cid *p_cid, u16 *p_hw_coal); 429 430 #endif 431