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 */ 5 6 #ifndef _QED_L2_H 7 #define _QED_L2_H 8 #include <linux/types.h> 9 #include <linux/io.h> 10 #include <linux/kernel.h> 11 #include <linux/slab.h> 12 #include <linux/qed/qed_eth_if.h> 13 #include "qed.h" 14 #include "qed_hw.h" 15 #include "qed_sp.h" 16 struct qed_rss_params { 17 u8 update_rss_config; 18 u8 rss_enable; 19 u8 rss_eng_id; 20 u8 update_rss_capabilities; 21 u8 update_rss_ind_table; 22 u8 update_rss_key; 23 u8 rss_caps; 24 u8 rss_table_size_log; 25 26 /* Indirection table consist of rx queue handles */ 27 void *rss_ind_table[QED_RSS_IND_TABLE_SIZE]; 28 u32 rss_key[QED_RSS_KEY_SIZE]; 29 }; 30 31 struct qed_sge_tpa_params { 32 u8 max_buffers_per_cqe; 33 34 u8 update_tpa_en_flg; 35 u8 tpa_ipv4_en_flg; 36 u8 tpa_ipv6_en_flg; 37 u8 tpa_ipv4_tunn_en_flg; 38 u8 tpa_ipv6_tunn_en_flg; 39 40 u8 update_tpa_param_flg; 41 u8 tpa_pkt_split_flg; 42 u8 tpa_hdr_data_split_flg; 43 u8 tpa_gro_consistent_flg; 44 u8 tpa_max_aggs_num; 45 u16 tpa_max_size; 46 u16 tpa_min_size_to_start; 47 u16 tpa_min_size_to_cont; 48 }; 49 50 enum qed_filter_opcode { 51 QED_FILTER_ADD, 52 QED_FILTER_REMOVE, 53 QED_FILTER_MOVE, 54 QED_FILTER_REPLACE, /* Delete all MACs and add new one instead */ 55 QED_FILTER_FLUSH, /* Removes all filters */ 56 }; 57 58 enum qed_filter_ucast_type { 59 QED_FILTER_MAC, 60 QED_FILTER_VLAN, 61 QED_FILTER_MAC_VLAN, 62 QED_FILTER_INNER_MAC, 63 QED_FILTER_INNER_VLAN, 64 QED_FILTER_INNER_PAIR, 65 QED_FILTER_INNER_MAC_VNI_PAIR, 66 QED_FILTER_MAC_VNI_PAIR, 67 QED_FILTER_VNI, 68 }; 69 70 struct qed_filter_ucast { 71 enum qed_filter_opcode opcode; 72 enum qed_filter_ucast_type type; 73 u8 is_rx_filter; 74 u8 is_tx_filter; 75 u8 vport_to_add_to; 76 u8 vport_to_remove_from; 77 unsigned char mac[ETH_ALEN]; 78 u8 assert_on_error; 79 u16 vlan; 80 u32 vni; 81 }; 82 83 struct qed_filter_mcast { 84 /* MOVE is not supported for multicast */ 85 enum qed_filter_opcode opcode; 86 u8 vport_to_add_to; 87 u8 vport_to_remove_from; 88 u8 num_mc_addrs; 89 #define QED_MAX_MC_ADDRS 64 90 unsigned char mac[QED_MAX_MC_ADDRS][ETH_ALEN]; 91 }; 92 93 /** 94 * @brief qed_eth_rx_queue_stop - This ramrod closes an Rx queue 95 * 96 * @param p_hwfn 97 * @param p_rxq Handler of queue to close 98 * @param eq_completion_only If True completion will be on 99 * EQe, if False completion will be 100 * on EQe if p_hwfn opaque 101 * different from the RXQ opaque 102 * otherwise on CQe. 103 * @param cqe_completion If True completion will be 104 * receive on CQe. 105 * @return int 106 */ 107 int 108 qed_eth_rx_queue_stop(struct qed_hwfn *p_hwfn, 109 void *p_rxq, 110 bool eq_completion_only, bool cqe_completion); 111 112 /** 113 * @brief qed_eth_tx_queue_stop - closes a Tx queue 114 * 115 * @param p_hwfn 116 * @param p_txq - handle to Tx queue needed to be closed 117 * 118 * @return int 119 */ 120 int qed_eth_tx_queue_stop(struct qed_hwfn *p_hwfn, void *p_txq); 121 122 enum qed_tpa_mode { 123 QED_TPA_MODE_NONE, 124 QED_TPA_MODE_UNUSED, 125 QED_TPA_MODE_GRO, 126 QED_TPA_MODE_MAX 127 }; 128 129 struct qed_sp_vport_start_params { 130 enum qed_tpa_mode tpa_mode; 131 bool remove_inner_vlan; 132 bool tx_switching; 133 bool handle_ptp_pkts; 134 bool only_untagged; 135 bool drop_ttl0; 136 u8 max_buffers_per_cqe; 137 u32 concrete_fid; 138 u16 opaque_fid; 139 u8 vport_id; 140 u16 mtu; 141 bool check_mac; 142 bool check_ethtype; 143 }; 144 145 int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn, 146 struct qed_sp_vport_start_params *p_params); 147 148 149 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 * @brief qed_sp_vport_stop - 208 * 209 * This ramrod closes a VPort after all its RX and TX queues are terminated. 210 * An Assert is generated if any queues are left open. 211 * 212 * @param p_hwfn 213 * @param opaque_fid 214 * @param 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 * @brief qed_sp_rx_eth_queues_update - 228 * 229 * This ramrod updates an RX queue. It is used for setting the active state 230 * of the queue and updating the TPA and SGE parameters. 231 * 232 * @note At the moment - only used by non-linux VFs. 233 * 234 * @param p_hwfn 235 * @param pp_rxq_handlers An array of queue handlers to be updated. 236 * @param num_rxqs number of queues to update. 237 * @param complete_cqe_flg Post completion to the CQE Ring if set 238 * @param complete_event_flg Post completion to the Event Ring if set 239 * @param comp_mode 240 * @param p_comp_data 241 * 242 * @return int 243 */ 244 245 int 246 qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn, 247 void **pp_rxq_handlers, 248 u8 num_rxqs, 249 u8 complete_cqe_flg, 250 u8 complete_event_flg, 251 enum spq_mode comp_mode, 252 struct qed_spq_comp_cb *p_comp_data); 253 254 void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats); 255 256 void qed_reset_vport_stats(struct qed_dev *cdev); 257 258 /** 259 * *@brief qed_arfs_mode_configure - 260 * 261 **Enable or disable rfs mode. It must accept atleast one of tcp or udp true 262 **and atleast one of ipv4 or ipv6 true to enable rfs mode. 263 * 264 **@param p_hwfn 265 **@param p_ptt 266 **@param p_cfg_params - arfs mode configuration parameters. 267 * 268 */ 269 void qed_arfs_mode_configure(struct qed_hwfn *p_hwfn, 270 struct qed_ptt *p_ptt, 271 struct qed_arfs_config_params *p_cfg_params); 272 273 /** 274 * @brief - qed_configure_rfs_ntuple_filter 275 * 276 * This ramrod should be used to add or remove arfs hw filter 277 * 278 * @params p_hwfn 279 * @params p_cb - Used for QED_SPQ_MODE_CB,where client would initialize 280 * it with cookie and callback function address, if not 281 * using this mode then client must pass NULL. 282 * @params p_params 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 * @brief - Starts an Rx queue, when queue_cid is already prepared 377 * 378 * @param p_hwfn 379 * @param p_cid 380 * @param bd_max_bytes 381 * @param bd_chain_phys_addr 382 * @param cqe_pbl_addr 383 * @param cqe_pbl_size 384 * 385 * @return int 386 */ 387 int 388 qed_eth_rxq_start_ramrod(struct qed_hwfn *p_hwfn, 389 struct qed_queue_cid *p_cid, 390 u16 bd_max_bytes, 391 dma_addr_t bd_chain_phys_addr, 392 dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size); 393 394 /** 395 * @brief - Starts a Tx queue, where queue_cid is already prepared 396 * 397 * @param p_hwfn 398 * @param p_cid 399 * @param pbl_addr 400 * @param pbl_size 401 * @param p_pq_params - parameters for choosing the PQ for this Tx queue 402 * 403 * @return int 404 */ 405 int 406 qed_eth_txq_start_ramrod(struct qed_hwfn *p_hwfn, 407 struct qed_queue_cid *p_cid, 408 dma_addr_t pbl_addr, u16 pbl_size, u16 pq_id); 409 410 u8 qed_mcast_bin_from_mac(u8 *mac); 411 412 int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn, 413 struct qed_ptt *p_ptt, 414 u16 coalesce, struct qed_queue_cid *p_cid); 415 416 int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn, 417 struct qed_ptt *p_ptt, 418 u16 coalesce, struct qed_queue_cid *p_cid); 419 420 int qed_get_rxq_coalesce(struct qed_hwfn *p_hwfn, 421 struct qed_ptt *p_ptt, 422 struct qed_queue_cid *p_cid, u16 *p_hw_coal); 423 424 int qed_get_txq_coalesce(struct qed_hwfn *p_hwfn, 425 struct qed_ptt *p_ptt, 426 struct qed_queue_cid *p_cid, u16 *p_hw_coal); 427 428 #endif 429