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