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 * @brief qed_eth_rx_queue_stop - This ramrod closes an Rx queue 96 * 97 * @param p_hwfn 98 * @param p_rxq Handler of queue to close 99 * @param 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 * @param cqe_completion If True completion will be 105 * receive on CQe. 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 * @brief qed_eth_tx_queue_stop - closes a Tx queue 115 * 116 * @param p_hwfn 117 * @param 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 * @brief qed_sp_vport_stop - 209 * 210 * This ramrod closes a VPort after all its RX and TX queues are terminated. 211 * An Assert is generated if any queues are left open. 212 * 213 * @param p_hwfn 214 * @param opaque_fid 215 * @param vport_id VPort ID 216 * 217 * @return int 218 */ 219 int qed_sp_vport_stop(struct qed_hwfn *p_hwfn, u16 opaque_fid, u8 vport_id); 220 221 int qed_sp_eth_filter_ucast(struct qed_hwfn *p_hwfn, 222 u16 opaque_fid, 223 struct qed_filter_ucast *p_filter_cmd, 224 enum spq_mode comp_mode, 225 struct qed_spq_comp_cb *p_comp_data); 226 227 /** 228 * @brief qed_sp_rx_eth_queues_update - 229 * 230 * This ramrod updates an RX queue. It is used for setting the active state 231 * of the queue and updating the TPA and SGE parameters. 232 * 233 * @note At the moment - only used by non-linux VFs. 234 * 235 * @param p_hwfn 236 * @param pp_rxq_handlers An array of queue handlers to be updated. 237 * @param num_rxqs number of queues to update. 238 * @param complete_cqe_flg Post completion to the CQE Ring if set 239 * @param complete_event_flg Post completion to the Event Ring if set 240 * @param comp_mode 241 * @param p_comp_data 242 * 243 * @return int 244 */ 245 246 int 247 qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn, 248 void **pp_rxq_handlers, 249 u8 num_rxqs, 250 u8 complete_cqe_flg, 251 u8 complete_event_flg, 252 enum spq_mode comp_mode, 253 struct qed_spq_comp_cb *p_comp_data); 254 255 void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats); 256 257 void qed_reset_vport_stats(struct qed_dev *cdev); 258 259 /** 260 * *@brief qed_arfs_mode_configure - 261 * 262 **Enable or disable rfs mode. It must accept atleast one of tcp or udp true 263 **and atleast one of ipv4 or ipv6 true to enable rfs mode. 264 * 265 **@param p_hwfn 266 **@param p_ptt 267 **@param p_cfg_params - arfs mode configuration parameters. 268 * 269 */ 270 void qed_arfs_mode_configure(struct qed_hwfn *p_hwfn, 271 struct qed_ptt *p_ptt, 272 struct qed_arfs_config_params *p_cfg_params); 273 274 /** 275 * @brief - qed_configure_rfs_ntuple_filter 276 * 277 * This ramrod should be used to add or remove arfs hw filter 278 * 279 * @params p_hwfn 280 * @params p_cb - Used for QED_SPQ_MODE_CB,where client would initialize 281 * it with cookie and callback function address, if not 282 * using this mode then client must pass NULL. 283 * @params p_params 284 */ 285 int 286 qed_configure_rfs_ntuple_filter(struct qed_hwfn *p_hwfn, 287 struct qed_spq_comp_cb *p_cb, 288 struct qed_ntuple_filter_params *p_params); 289 290 #define MAX_QUEUES_PER_QZONE (sizeof(unsigned long) * 8) 291 #define QED_QUEUE_CID_SELF (0xff) 292 293 /* Almost identical to the qed_queue_start_common_params, 294 * but here we maintain the SB index in IGU CAM. 295 */ 296 struct qed_queue_cid_params { 297 u8 vport_id; 298 u16 queue_id; 299 u8 stats_id; 300 }; 301 302 /* Additional parameters required for initialization of the queue_cid 303 * and are relevant only for a PF initializing one for its VFs. 304 */ 305 struct qed_queue_cid_vf_params { 306 /* Should match the VF's relative index */ 307 u8 vfid; 308 309 /* 0-based queue index. Should reflect the relative qzone the 310 * VF thinks is associated with it [in its range]. 311 */ 312 u8 vf_qid; 313 314 /* Indicates a VF is legacy, making it differ in several things: 315 * - Producers would be placed in a different place. 316 * - Makes assumptions regarding the CIDs. 317 */ 318 u8 vf_legacy; 319 320 u8 qid_usage_idx; 321 }; 322 323 struct qed_queue_cid { 324 /* For stats-id, the `rel' is actually absolute as well */ 325 struct qed_queue_cid_params rel; 326 struct qed_queue_cid_params abs; 327 328 /* These have no 'relative' meaning */ 329 u16 sb_igu_id; 330 u8 sb_idx; 331 332 u32 cid; 333 u16 opaque_fid; 334 335 bool b_is_rx; 336 337 /* VFs queues are mapped differently, so we need to know the 338 * relative queue associated with them [0-based]. 339 * Notice this is relevant on the *PF* queue-cid of its VF's queues, 340 * and not on the VF itself. 341 */ 342 u8 vfid; 343 u8 vf_qid; 344 345 /* We need an additional index to differentiate between queues opened 346 * for same queue-zone, as VFs would have to communicate the info 347 * to the PF [otherwise PF has no way to differentiate]. 348 */ 349 u8 qid_usage_idx; 350 351 u8 vf_legacy; 352 #define QED_QCID_LEGACY_VF_RX_PROD (BIT(0)) 353 #define QED_QCID_LEGACY_VF_CID (BIT(1)) 354 355 struct qed_hwfn *p_owner; 356 }; 357 358 int qed_l2_alloc(struct qed_hwfn *p_hwfn); 359 void qed_l2_setup(struct qed_hwfn *p_hwfn); 360 void qed_l2_free(struct qed_hwfn *p_hwfn); 361 362 void qed_eth_queue_cid_release(struct qed_hwfn *p_hwfn, 363 struct qed_queue_cid *p_cid); 364 365 struct qed_queue_cid * 366 qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn, 367 u16 opaque_fid, 368 struct qed_queue_start_common_params *p_params, 369 bool b_is_rx, 370 struct qed_queue_cid_vf_params *p_vf_params); 371 372 int 373 qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn, 374 struct qed_sp_vport_start_params *p_params); 375 376 /** 377 * @brief - Starts an Rx queue, when queue_cid is already prepared 378 * 379 * @param p_hwfn 380 * @param p_cid 381 * @param bd_max_bytes 382 * @param bd_chain_phys_addr 383 * @param cqe_pbl_addr 384 * @param cqe_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 * @brief - Starts a Tx queue, where queue_cid is already prepared 397 * 398 * @param p_hwfn 399 * @param p_cid 400 * @param pbl_addr 401 * @param pbl_size 402 * @param p_pq_params - parameters for choosing the PQ for this Tx queue 403 * 404 * @return int 405 */ 406 int 407 qed_eth_txq_start_ramrod(struct qed_hwfn *p_hwfn, 408 struct qed_queue_cid *p_cid, 409 dma_addr_t pbl_addr, u16 pbl_size, u16 pq_id); 410 411 u8 qed_mcast_bin_from_mac(u8 *mac); 412 413 int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn, 414 struct qed_ptt *p_ptt, 415 u16 coalesce, struct qed_queue_cid *p_cid); 416 417 int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn, 418 struct qed_ptt *p_ptt, 419 u16 coalesce, struct qed_queue_cid *p_cid); 420 421 int qed_get_rxq_coalesce(struct qed_hwfn *p_hwfn, 422 struct qed_ptt *p_ptt, 423 struct qed_queue_cid *p_cid, u16 *p_hw_coal); 424 425 int qed_get_txq_coalesce(struct qed_hwfn *p_hwfn, 426 struct qed_ptt *p_ptt, 427 struct qed_queue_cid *p_cid, u16 *p_hw_coal); 428 429 #endif 430