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 }; 187 188 struct qed_arfs_config_params { 189 bool tcp; 190 bool udp; 191 bool ipv4; 192 bool ipv6; 193 bool arfs_enable; 194 }; 195 196 struct qed_sp_vport_update_params { 197 u16 opaque_fid; 198 u8 vport_id; 199 u8 update_vport_active_rx_flg; 200 u8 vport_active_rx_flg; 201 u8 update_vport_active_tx_flg; 202 u8 vport_active_tx_flg; 203 u8 update_inner_vlan_removal_flg; 204 u8 inner_vlan_removal_flg; 205 u8 silent_vlan_removal_flg; 206 u8 update_default_vlan_enable_flg; 207 u8 default_vlan_enable_flg; 208 u8 update_default_vlan_flg; 209 u16 default_vlan; 210 u8 update_tx_switching_flg; 211 u8 tx_switching_flg; 212 u8 update_approx_mcast_flg; 213 u8 update_anti_spoofing_en_flg; 214 u8 anti_spoofing_en; 215 u8 update_accept_any_vlan_flg; 216 u8 accept_any_vlan; 217 unsigned long bins[8]; 218 struct qed_rss_params *rss_params; 219 struct qed_filter_accept_flags accept_flags; 220 struct qed_sge_tpa_params *sge_tpa_params; 221 }; 222 223 int qed_sp_vport_update(struct qed_hwfn *p_hwfn, 224 struct qed_sp_vport_update_params *p_params, 225 enum spq_mode comp_mode, 226 struct qed_spq_comp_cb *p_comp_data); 227 228 /** 229 * @brief qed_sp_vport_stop - 230 * 231 * This ramrod closes a VPort after all its RX and TX queues are terminated. 232 * An Assert is generated if any queues are left open. 233 * 234 * @param p_hwfn 235 * @param opaque_fid 236 * @param vport_id VPort ID 237 * 238 * @return int 239 */ 240 int qed_sp_vport_stop(struct qed_hwfn *p_hwfn, u16 opaque_fid, u8 vport_id); 241 242 int qed_sp_eth_filter_ucast(struct qed_hwfn *p_hwfn, 243 u16 opaque_fid, 244 struct qed_filter_ucast *p_filter_cmd, 245 enum spq_mode comp_mode, 246 struct qed_spq_comp_cb *p_comp_data); 247 248 /** 249 * @brief qed_sp_rx_eth_queues_update - 250 * 251 * This ramrod updates an RX queue. It is used for setting the active state 252 * of the queue and updating the TPA and SGE parameters. 253 * 254 * @note At the moment - only used by non-linux VFs. 255 * 256 * @param p_hwfn 257 * @param pp_rxq_handlers An array of queue handlers to be updated. 258 * @param num_rxqs number of queues to update. 259 * @param complete_cqe_flg Post completion to the CQE Ring if set 260 * @param complete_event_flg Post completion to the Event Ring if set 261 * @param comp_mode 262 * @param p_comp_data 263 * 264 * @return int 265 */ 266 267 int 268 qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn, 269 void **pp_rxq_handlers, 270 u8 num_rxqs, 271 u8 complete_cqe_flg, 272 u8 complete_event_flg, 273 enum spq_mode comp_mode, 274 struct qed_spq_comp_cb *p_comp_data); 275 276 void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats); 277 278 void qed_reset_vport_stats(struct qed_dev *cdev); 279 280 #define MAX_QUEUES_PER_QZONE (sizeof(unsigned long) * 8) 281 #define QED_QUEUE_CID_SELF (0xff) 282 283 /* Almost identical to the qed_queue_start_common_params, 284 * but here we maintain the SB index in IGU CAM. 285 */ 286 struct qed_queue_cid_params { 287 u8 vport_id; 288 u16 queue_id; 289 u8 stats_id; 290 }; 291 292 /* Additional parameters required for initialization of the queue_cid 293 * and are relevant only for a PF initializing one for its VFs. 294 */ 295 struct qed_queue_cid_vf_params { 296 /* Should match the VF's relative index */ 297 u8 vfid; 298 299 /* 0-based queue index. Should reflect the relative qzone the 300 * VF thinks is associated with it [in its range]. 301 */ 302 u8 vf_qid; 303 304 /* Indicates a VF is legacy, making it differ in several things: 305 * - Producers would be placed in a different place. 306 * - Makes assumptions regarding the CIDs. 307 */ 308 u8 vf_legacy; 309 310 u8 qid_usage_idx; 311 }; 312 313 struct qed_queue_cid { 314 /* For stats-id, the `rel' is actually absolute as well */ 315 struct qed_queue_cid_params rel; 316 struct qed_queue_cid_params abs; 317 318 /* These have no 'relative' meaning */ 319 u16 sb_igu_id; 320 u8 sb_idx; 321 322 u32 cid; 323 u16 opaque_fid; 324 325 bool b_is_rx; 326 327 /* VFs queues are mapped differently, so we need to know the 328 * relative queue associated with them [0-based]. 329 * Notice this is relevant on the *PF* queue-cid of its VF's queues, 330 * and not on the VF itself. 331 */ 332 u8 vfid; 333 u8 vf_qid; 334 335 /* We need an additional index to differentiate between queues opened 336 * for same queue-zone, as VFs would have to communicate the info 337 * to the PF [otherwise PF has no way to differentiate]. 338 */ 339 u8 qid_usage_idx; 340 341 u8 vf_legacy; 342 #define QED_QCID_LEGACY_VF_RX_PROD (BIT(0)) 343 #define QED_QCID_LEGACY_VF_CID (BIT(1)) 344 345 struct qed_hwfn *p_owner; 346 }; 347 348 int qed_l2_alloc(struct qed_hwfn *p_hwfn); 349 void qed_l2_setup(struct qed_hwfn *p_hwfn); 350 void qed_l2_free(struct qed_hwfn *p_hwfn); 351 352 void qed_eth_queue_cid_release(struct qed_hwfn *p_hwfn, 353 struct qed_queue_cid *p_cid); 354 355 struct qed_queue_cid * 356 qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn, 357 u16 opaque_fid, 358 struct qed_queue_start_common_params *p_params, 359 bool b_is_rx, 360 struct qed_queue_cid_vf_params *p_vf_params); 361 362 int 363 qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn, 364 struct qed_sp_vport_start_params *p_params); 365 366 /** 367 * @brief - Starts an Rx queue, when queue_cid is already prepared 368 * 369 * @param p_hwfn 370 * @param p_cid 371 * @param bd_max_bytes 372 * @param bd_chain_phys_addr 373 * @param cqe_pbl_addr 374 * @param cqe_pbl_size 375 * 376 * @return int 377 */ 378 int 379 qed_eth_rxq_start_ramrod(struct qed_hwfn *p_hwfn, 380 struct qed_queue_cid *p_cid, 381 u16 bd_max_bytes, 382 dma_addr_t bd_chain_phys_addr, 383 dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size); 384 385 /** 386 * @brief - Starts a Tx queue, where queue_cid is already prepared 387 * 388 * @param p_hwfn 389 * @param p_cid 390 * @param pbl_addr 391 * @param pbl_size 392 * @param p_pq_params - parameters for choosing the PQ for this Tx queue 393 * 394 * @return int 395 */ 396 int 397 qed_eth_txq_start_ramrod(struct qed_hwfn *p_hwfn, 398 struct qed_queue_cid *p_cid, 399 dma_addr_t pbl_addr, u16 pbl_size, u16 pq_id); 400 401 u8 qed_mcast_bin_from_mac(u8 *mac); 402 403 int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn, 404 struct qed_ptt *p_ptt, 405 u16 coalesce, struct qed_queue_cid *p_cid); 406 407 int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn, 408 struct qed_ptt *p_ptt, 409 u16 coalesce, struct qed_queue_cid *p_cid); 410 411 int qed_get_rxq_coalesce(struct qed_hwfn *p_hwfn, 412 struct qed_ptt *p_ptt, 413 struct qed_queue_cid *p_cid, u16 *p_hw_coal); 414 415 int qed_get_txq_coalesce(struct qed_hwfn *p_hwfn, 416 struct qed_ptt *p_ptt, 417 struct qed_queue_cid *p_cid, u16 *p_hw_coal); 418 419 #endif 420