1 // SPDX-License-Identifier: GPL-2.0-only 2 /* Atlantic Network Driver 3 * Copyright (C) 2020 Marvell International Ltd. 4 */ 5 6 #include "aq_hw.h" 7 #include "aq_hw_utils.h" 8 #include "aq_ring.h" 9 #include "aq_nic.h" 10 #include "hw_atl/hw_atl_b0.h" 11 #include "hw_atl/hw_atl_utils.h" 12 #include "hw_atl/hw_atl_llh.h" 13 #include "hw_atl/hw_atl_llh_internal.h" 14 #include "hw_atl2_utils.h" 15 #include "hw_atl2_llh.h" 16 #include "hw_atl2_internal.h" 17 #include "hw_atl2_llh_internal.h" 18 19 static int hw_atl2_act_rslvr_table_set(struct aq_hw_s *self, u8 location, 20 u32 tag, u32 mask, u32 action); 21 22 #define DEFAULT_BOARD_BASIC_CAPABILITIES \ 23 .is_64_dma = true, \ 24 .op64bit = true, \ 25 .msix_irqs = 8U, \ 26 .irq_mask = ~0U, \ 27 .vecs = HW_ATL2_RSS_MAX, \ 28 .tcs_max = HW_ATL2_TC_MAX, \ 29 .rxd_alignment = 1U, \ 30 .rxd_size = HW_ATL2_RXD_SIZE, \ 31 .rxds_max = HW_ATL2_MAX_RXD, \ 32 .rxds_min = HW_ATL2_MIN_RXD, \ 33 .txd_alignment = 1U, \ 34 .txd_size = HW_ATL2_TXD_SIZE, \ 35 .txds_max = HW_ATL2_MAX_TXD, \ 36 .txds_min = HW_ATL2_MIN_TXD, \ 37 .txhwb_alignment = 4096U, \ 38 .tx_rings = HW_ATL2_TX_RINGS, \ 39 .rx_rings = HW_ATL2_RX_RINGS, \ 40 .hw_features = NETIF_F_HW_CSUM | \ 41 NETIF_F_RXCSUM | \ 42 NETIF_F_RXHASH | \ 43 NETIF_F_SG | \ 44 NETIF_F_TSO | \ 45 NETIF_F_TSO6 | \ 46 NETIF_F_LRO | \ 47 NETIF_F_NTUPLE | \ 48 NETIF_F_HW_VLAN_CTAG_FILTER | \ 49 NETIF_F_HW_VLAN_CTAG_RX | \ 50 NETIF_F_HW_VLAN_CTAG_TX | \ 51 NETIF_F_GSO_UDP_L4 | \ 52 NETIF_F_GSO_PARTIAL | \ 53 NETIF_F_HW_TC, \ 54 .hw_priv_flags = IFF_UNICAST_FLT, \ 55 .flow_control = true, \ 56 .mtu = HW_ATL2_MTU_JUMBO, \ 57 .mac_regs_count = 72, \ 58 .hw_alive_check_addr = 0x10U, \ 59 .priv_data_len = sizeof(struct hw_atl2_priv) 60 61 const struct aq_hw_caps_s hw_atl2_caps_aqc113 = { 62 DEFAULT_BOARD_BASIC_CAPABILITIES, 63 .media_type = AQ_HW_MEDIA_TYPE_TP, 64 .link_speed_msk = AQ_NIC_RATE_10G | 65 AQ_NIC_RATE_5G | 66 AQ_NIC_RATE_2G5 | 67 AQ_NIC_RATE_1G | 68 AQ_NIC_RATE_100M | 69 AQ_NIC_RATE_10M, 70 }; 71 72 const struct aq_hw_caps_s hw_atl2_caps_aqc115c = { 73 DEFAULT_BOARD_BASIC_CAPABILITIES, 74 .media_type = AQ_HW_MEDIA_TYPE_TP, 75 .link_speed_msk = AQ_NIC_RATE_2G5 | 76 AQ_NIC_RATE_1G | 77 AQ_NIC_RATE_100M | 78 AQ_NIC_RATE_10M, 79 }; 80 81 const struct aq_hw_caps_s hw_atl2_caps_aqc116c = { 82 DEFAULT_BOARD_BASIC_CAPABILITIES, 83 .media_type = AQ_HW_MEDIA_TYPE_TP, 84 .link_speed_msk = AQ_NIC_RATE_1G | 85 AQ_NIC_RATE_100M | 86 AQ_NIC_RATE_10M, 87 }; 88 hw_atl2_sem_act_rslvr_get(struct aq_hw_s * self)89 static u32 hw_atl2_sem_act_rslvr_get(struct aq_hw_s *self) 90 { 91 return hw_atl_reg_glb_cpu_sem_get(self, HW_ATL2_FW_SM_ACT_RSLVR); 92 } 93 hw_atl2_hw_reset(struct aq_hw_s * self)94 static int hw_atl2_hw_reset(struct aq_hw_s *self) 95 { 96 struct hw_atl2_priv *priv = self->priv; 97 int err; 98 99 err = hw_atl2_utils_soft_reset(self); 100 if (err) 101 return err; 102 103 memset(priv, 0, sizeof(*priv)); 104 105 self->aq_fw_ops->set_state(self, MPI_RESET); 106 107 err = aq_hw_err_from_flags(self); 108 109 return err; 110 } 111 hw_atl2_hw_queue_to_tc_map_set(struct aq_hw_s * self)112 static int hw_atl2_hw_queue_to_tc_map_set(struct aq_hw_s *self) 113 { 114 struct aq_nic_cfg_s *cfg = self->aq_nic_cfg; 115 unsigned int tcs, q_per_tc; 116 unsigned int tc, q; 117 u32 rx_map = 0; 118 u32 tx_map = 0; 119 120 hw_atl2_tpb_tx_tc_q_rand_map_en_set(self, 1U); 121 122 switch (cfg->tc_mode) { 123 case AQ_TC_MODE_8TCS: 124 tcs = 8; 125 q_per_tc = 4; 126 break; 127 case AQ_TC_MODE_4TCS: 128 tcs = 4; 129 q_per_tc = 8; 130 break; 131 default: 132 return -EINVAL; 133 } 134 135 for (tc = 0; tc != tcs; tc++) { 136 unsigned int tc_q_offset = tc * q_per_tc; 137 138 for (q = tc_q_offset; q != tc_q_offset + q_per_tc; q++) { 139 rx_map |= tc << HW_ATL2_RX_Q_TC_MAP_SHIFT(q); 140 if (HW_ATL2_RX_Q_TC_MAP_ADR(q) != 141 HW_ATL2_RX_Q_TC_MAP_ADR(q + 1)) { 142 aq_hw_write_reg(self, 143 HW_ATL2_RX_Q_TC_MAP_ADR(q), 144 rx_map); 145 rx_map = 0; 146 } 147 148 tx_map |= tc << HW_ATL2_TX_Q_TC_MAP_SHIFT(q); 149 if (HW_ATL2_TX_Q_TC_MAP_ADR(q) != 150 HW_ATL2_TX_Q_TC_MAP_ADR(q + 1)) { 151 aq_hw_write_reg(self, 152 HW_ATL2_TX_Q_TC_MAP_ADR(q), 153 tx_map); 154 tx_map = 0; 155 } 156 } 157 } 158 159 return aq_hw_err_from_flags(self); 160 } 161 hw_atl2_hw_qos_set(struct aq_hw_s * self)162 static int hw_atl2_hw_qos_set(struct aq_hw_s *self) 163 { 164 struct aq_nic_cfg_s *cfg = self->aq_nic_cfg; 165 u32 tx_buff_size = HW_ATL2_TXBUF_MAX; 166 u32 rx_buff_size = HW_ATL2_RXBUF_MAX; 167 unsigned int prio = 0U; 168 u32 tc = 0U; 169 170 /* TPS Descriptor rate init */ 171 hw_atl_tps_tx_pkt_shed_desc_rate_curr_time_res_set(self, 0x0U); 172 hw_atl_tps_tx_pkt_shed_desc_rate_lim_set(self, 0xA); 173 174 /* TPS VM init */ 175 hw_atl_tps_tx_pkt_shed_desc_vm_arb_mode_set(self, 0U); 176 177 tx_buff_size /= cfg->tcs; 178 rx_buff_size /= cfg->tcs; 179 for (tc = 0; tc < cfg->tcs; tc++) { 180 u32 threshold = 0U; 181 182 /* Tx buf size TC0 */ 183 hw_atl_tpb_tx_pkt_buff_size_per_tc_set(self, tx_buff_size, tc); 184 185 threshold = (tx_buff_size * (1024 / 32U) * 66U) / 100U; 186 hw_atl_tpb_tx_buff_hi_threshold_per_tc_set(self, threshold, tc); 187 188 threshold = (tx_buff_size * (1024 / 32U) * 50U) / 100U; 189 hw_atl_tpb_tx_buff_lo_threshold_per_tc_set(self, threshold, tc); 190 191 /* QoS Rx buf size per TC */ 192 hw_atl_rpb_rx_pkt_buff_size_per_tc_set(self, rx_buff_size, tc); 193 194 threshold = (rx_buff_size * (1024U / 32U) * 66U) / 100U; 195 hw_atl_rpb_rx_buff_hi_threshold_per_tc_set(self, threshold, tc); 196 197 threshold = (rx_buff_size * (1024U / 32U) * 50U) / 100U; 198 hw_atl_rpb_rx_buff_lo_threshold_per_tc_set(self, threshold, tc); 199 200 hw_atl_b0_set_fc(self, self->aq_nic_cfg->fc.req, tc); 201 } 202 203 /* QoS 802.1p priority -> TC mapping */ 204 for (prio = 0; prio < 8; ++prio) 205 hw_atl_rpf_rpb_user_priority_tc_map_set(self, prio, 206 cfg->prio_tc_map[prio]); 207 208 /* ATL2 Apply ring to TC mapping */ 209 hw_atl2_hw_queue_to_tc_map_set(self); 210 211 return aq_hw_err_from_flags(self); 212 } 213 hw_atl2_hw_rss_set(struct aq_hw_s * self,struct aq_rss_parameters * rss_params)214 static int hw_atl2_hw_rss_set(struct aq_hw_s *self, 215 struct aq_rss_parameters *rss_params) 216 { 217 u8 *indirection_table = rss_params->indirection_table; 218 const u32 num_tcs = aq_hw_num_tcs(self); 219 u32 rpf_redir2_enable; 220 int tc; 221 int i; 222 223 rpf_redir2_enable = num_tcs > 4 ? 1 : 0; 224 225 hw_atl2_rpf_redirection_table2_select_set(self, rpf_redir2_enable); 226 227 for (i = HW_ATL2_RSS_REDIRECTION_MAX; i--;) { 228 for (tc = 0; tc != num_tcs; tc++) { 229 hw_atl2_new_rpf_rss_redir_set(self, tc, i, 230 tc * 231 aq_hw_q_per_tc(self) + 232 indirection_table[i]); 233 } 234 } 235 236 return aq_hw_err_from_flags(self); 237 } 238 hw_atl2_hw_init_tx_tc_rate_limit(struct aq_hw_s * self)239 static int hw_atl2_hw_init_tx_tc_rate_limit(struct aq_hw_s *self) 240 { 241 static const u32 max_weight = BIT(HW_ATL2_TPS_DATA_TCTWEIGHT_WIDTH) - 1; 242 /* Scale factor is based on the number of bits in fractional portion */ 243 static const u32 scale = BIT(HW_ATL_TPS_DESC_RATE_Y_WIDTH); 244 static const u32 frac_msk = HW_ATL_TPS_DESC_RATE_Y_MSK >> 245 HW_ATL_TPS_DESC_RATE_Y_SHIFT; 246 const u32 link_speed = self->aq_link_status.mbps; 247 struct aq_nic_cfg_s *nic_cfg = self->aq_nic_cfg; 248 unsigned long num_min_rated_tcs = 0; 249 u32 tc_weight[AQ_CFG_TCS_MAX]; 250 u32 fixed_max_credit_4b; 251 u32 fixed_max_credit; 252 u8 min_rate_msk = 0; 253 u32 sum_weight = 0; 254 int tc; 255 256 /* By default max_credit is based upon MTU (in unit of 64b) */ 257 fixed_max_credit = nic_cfg->aq_hw_caps->mtu / 64; 258 /* in unit of 4b */ 259 fixed_max_credit_4b = nic_cfg->aq_hw_caps->mtu / 4; 260 261 if (link_speed) { 262 min_rate_msk = nic_cfg->tc_min_rate_msk & 263 (BIT(nic_cfg->tcs) - 1); 264 num_min_rated_tcs = hweight8(min_rate_msk); 265 } 266 267 /* First, calculate weights where min_rate is specified */ 268 if (num_min_rated_tcs) { 269 for (tc = 0; tc != nic_cfg->tcs; tc++) { 270 if (!nic_cfg->tc_min_rate[tc]) { 271 tc_weight[tc] = 0; 272 continue; 273 } 274 275 tc_weight[tc] = (-1L + link_speed + 276 nic_cfg->tc_min_rate[tc] * 277 max_weight) / 278 link_speed; 279 tc_weight[tc] = min(tc_weight[tc], max_weight); 280 sum_weight += tc_weight[tc]; 281 } 282 } 283 284 /* WSP, if min_rate is set for at least one TC. 285 * RR otherwise. 286 */ 287 hw_atl2_tps_tx_pkt_shed_data_arb_mode_set(self, min_rate_msk ? 1U : 0U); 288 /* Data TC Arbiter takes precedence over Descriptor TC Arbiter, 289 * leave Descriptor TC Arbiter as RR. 290 */ 291 hw_atl_tps_tx_pkt_shed_desc_tc_arb_mode_set(self, 0U); 292 293 hw_atl_tps_tx_desc_rate_mode_set(self, nic_cfg->is_qos ? 1U : 0U); 294 295 for (tc = 0; tc != nic_cfg->tcs; tc++) { 296 const u32 en = (nic_cfg->tc_max_rate[tc] != 0) ? 1U : 0U; 297 const u32 desc = AQ_NIC_CFG_TCVEC2RING(nic_cfg, tc, 0); 298 u32 weight, max_credit; 299 300 hw_atl_tps_tx_pkt_shed_desc_tc_max_credit_set(self, tc, 301 fixed_max_credit); 302 hw_atl_tps_tx_pkt_shed_desc_tc_weight_set(self, tc, 0x1E); 303 304 if (num_min_rated_tcs) { 305 weight = tc_weight[tc]; 306 307 if (!weight && sum_weight < max_weight) 308 weight = (max_weight - sum_weight) / 309 (nic_cfg->tcs - num_min_rated_tcs); 310 else if (!weight) 311 weight = 0x640; 312 313 max_credit = max(2 * weight, fixed_max_credit_4b); 314 } else { 315 weight = 0x640; 316 max_credit = 0xFFF0; 317 } 318 319 hw_atl2_tps_tx_pkt_shed_tc_data_weight_set(self, tc, weight); 320 hw_atl2_tps_tx_pkt_shed_tc_data_max_credit_set(self, tc, 321 max_credit); 322 323 hw_atl_tps_tx_desc_rate_en_set(self, desc, en); 324 325 if (en) { 326 /* Nominal rate is always 10G */ 327 const u32 rate = 10000U * scale / 328 nic_cfg->tc_max_rate[tc]; 329 const u32 rate_int = rate >> 330 HW_ATL_TPS_DESC_RATE_Y_WIDTH; 331 const u32 rate_frac = rate & frac_msk; 332 333 hw_atl_tps_tx_desc_rate_x_set(self, desc, rate_int); 334 hw_atl_tps_tx_desc_rate_y_set(self, desc, rate_frac); 335 } else { 336 /* A value of 1 indicates the queue is not 337 * rate controlled. 338 */ 339 hw_atl_tps_tx_desc_rate_x_set(self, desc, 1U); 340 hw_atl_tps_tx_desc_rate_y_set(self, desc, 0U); 341 } 342 } 343 for (tc = nic_cfg->tcs; tc != AQ_CFG_TCS_MAX; tc++) { 344 const u32 desc = AQ_NIC_CFG_TCVEC2RING(nic_cfg, tc, 0); 345 346 hw_atl_tps_tx_desc_rate_en_set(self, desc, 0U); 347 hw_atl_tps_tx_desc_rate_x_set(self, desc, 1U); 348 hw_atl_tps_tx_desc_rate_y_set(self, desc, 0U); 349 } 350 351 return aq_hw_err_from_flags(self); 352 } 353 hw_atl2_hw_init_tx_path(struct aq_hw_s * self)354 static int hw_atl2_hw_init_tx_path(struct aq_hw_s *self) 355 { 356 struct aq_nic_cfg_s *nic_cfg = self->aq_nic_cfg; 357 358 /* Tx TC/RSS number config */ 359 hw_atl_tpb_tps_tx_tc_mode_set(self, nic_cfg->tc_mode); 360 361 hw_atl_thm_lso_tcp_flag_of_first_pkt_set(self, 0x0FF6U); 362 hw_atl_thm_lso_tcp_flag_of_middle_pkt_set(self, 0x0FF6U); 363 hw_atl_thm_lso_tcp_flag_of_last_pkt_set(self, 0x0F7FU); 364 365 /* Tx interrupts */ 366 hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 1U); 367 368 /* misc */ 369 hw_atl_tdm_tx_dca_en_set(self, 0U); 370 hw_atl_tdm_tx_dca_mode_set(self, 0U); 371 372 hw_atl_tpb_tx_path_scp_ins_en_set(self, 1U); 373 374 hw_atl2_tpb_tx_buf_clk_gate_en_set(self, 0U); 375 376 return aq_hw_err_from_flags(self); 377 } 378 hw_atl2_hw_init_new_rx_filters(struct aq_hw_s * self)379 static void hw_atl2_hw_init_new_rx_filters(struct aq_hw_s *self) 380 { 381 u8 *prio_tc_map = self->aq_nic_cfg->prio_tc_map; 382 struct hw_atl2_priv *priv = self->priv; 383 u16 action; 384 u8 index; 385 int i; 386 387 /* Action Resolver Table (ART) is used by RPF to decide which action 388 * to take with a packet based upon input tag and tag mask, where: 389 * - input tag is a combination of 3-bit VLan Prio (PTP) and 390 * 29-bit concatenation of all tags from filter block; 391 * - tag mask is a mask used for matching against input tag. 392 * The input_tag is compared with the all the Requested_tags in the 393 * Record table to find a match. Action field of the selected matched 394 * REC entry is used for further processing. If multiple entries match, 395 * the lowest REC entry, Action field will be selected. 396 */ 397 hw_atl2_rpf_act_rslvr_section_en_set(self, 0xFFFF); 398 hw_atl2_rpfl2_uc_flr_tag_set(self, HW_ATL2_RPF_TAG_BASE_UC, 399 HW_ATL2_MAC_UC); 400 hw_atl2_rpfl2_bc_flr_tag_set(self, HW_ATL2_RPF_TAG_BASE_UC); 401 402 /* FW reserves the beginning of ART, thus all driver entries must 403 * start from the offset specified in FW caps. 404 */ 405 index = priv->art_base_index + HW_ATL2_RPF_L2_PROMISC_OFF_INDEX; 406 hw_atl2_act_rslvr_table_set(self, index, 0, 407 HW_ATL2_RPF_TAG_UC_MASK | 408 HW_ATL2_RPF_TAG_ALLMC_MASK, 409 HW_ATL2_ACTION_DROP); 410 411 index = priv->art_base_index + HW_ATL2_RPF_VLAN_PROMISC_OFF_INDEX; 412 hw_atl2_act_rslvr_table_set(self, index, 0, 413 HW_ATL2_RPF_TAG_VLAN_MASK | 414 HW_ATL2_RPF_TAG_UNTAG_MASK, 415 HW_ATL2_ACTION_DROP); 416 417 /* Configure ART to map given VLan Prio (PCP) to the TC index for 418 * RSS redirection table. 419 */ 420 for (i = 0; i < 8; i++) { 421 action = HW_ATL2_ACTION_ASSIGN_TC(prio_tc_map[i]); 422 423 index = priv->art_base_index + HW_ATL2_RPF_PCP_TO_TC_INDEX + i; 424 hw_atl2_act_rslvr_table_set(self, index, 425 i << HW_ATL2_RPF_TAG_PCP_OFFSET, 426 HW_ATL2_RPF_TAG_PCP_MASK, action); 427 } 428 } 429 hw_atl2_hw_new_rx_filter_vlan_promisc(struct aq_hw_s * self,bool promisc)430 static void hw_atl2_hw_new_rx_filter_vlan_promisc(struct aq_hw_s *self, 431 bool promisc) 432 { 433 u16 off_action = (!promisc && 434 !hw_atl_rpfl2promiscuous_mode_en_get(self)) ? 435 HW_ATL2_ACTION_DROP : HW_ATL2_ACTION_DISABLE; 436 struct hw_atl2_priv *priv = self->priv; 437 u8 index; 438 439 index = priv->art_base_index + HW_ATL2_RPF_VLAN_PROMISC_OFF_INDEX; 440 hw_atl2_act_rslvr_table_set(self, index, 0, 441 HW_ATL2_RPF_TAG_VLAN_MASK | 442 HW_ATL2_RPF_TAG_UNTAG_MASK, off_action); 443 } 444 hw_atl2_hw_new_rx_filter_promisc(struct aq_hw_s * self,bool promisc)445 static void hw_atl2_hw_new_rx_filter_promisc(struct aq_hw_s *self, bool promisc) 446 { 447 u16 off_action = promisc ? HW_ATL2_ACTION_DISABLE : HW_ATL2_ACTION_DROP; 448 struct hw_atl2_priv *priv = self->priv; 449 bool vlan_promisc_enable; 450 u8 index; 451 452 index = priv->art_base_index + HW_ATL2_RPF_L2_PROMISC_OFF_INDEX; 453 hw_atl2_act_rslvr_table_set(self, index, 0, 454 HW_ATL2_RPF_TAG_UC_MASK | 455 HW_ATL2_RPF_TAG_ALLMC_MASK, 456 off_action); 457 458 /* turn VLAN promisc mode too */ 459 vlan_promisc_enable = hw_atl_rpf_vlan_prom_mode_en_get(self); 460 hw_atl2_hw_new_rx_filter_vlan_promisc(self, promisc | 461 vlan_promisc_enable); 462 } 463 hw_atl2_act_rslvr_table_set(struct aq_hw_s * self,u8 location,u32 tag,u32 mask,u32 action)464 static int hw_atl2_act_rslvr_table_set(struct aq_hw_s *self, u8 location, 465 u32 tag, u32 mask, u32 action) 466 { 467 u32 val; 468 int err; 469 470 err = readx_poll_timeout_atomic(hw_atl2_sem_act_rslvr_get, 471 self, val, val == 1, 472 1, 10000U); 473 if (err) 474 return err; 475 476 hw_atl2_rpf_act_rslvr_record_set(self, location, tag, mask, 477 action); 478 479 hw_atl_reg_glb_cpu_sem_set(self, 1, HW_ATL2_FW_SM_ACT_RSLVR); 480 481 return err; 482 } 483 hw_atl2_hw_init_rx_path(struct aq_hw_s * self)484 static int hw_atl2_hw_init_rx_path(struct aq_hw_s *self) 485 { 486 struct aq_nic_cfg_s *cfg = self->aq_nic_cfg; 487 int i; 488 489 /* Rx TC/RSS number config */ 490 hw_atl_rpb_rpf_rx_traf_class_mode_set(self, cfg->tc_mode); 491 492 /* Rx flow control */ 493 hw_atl_rpb_rx_flow_ctl_mode_set(self, 1U); 494 495 hw_atl2_rpf_rss_hash_type_set(self, HW_ATL2_RPF_RSS_HASH_TYPE_ALL); 496 497 /* RSS Ring selection */ 498 hw_atl_b0_hw_init_rx_rss_ctrl1(self); 499 500 /* Multicast filters */ 501 for (i = HW_ATL2_MAC_MAX; i--;) { 502 hw_atl_rpfl2_uc_flr_en_set(self, (i == 0U) ? 1U : 0U, i); 503 hw_atl_rpfl2unicast_flr_act_set(self, 1U, i); 504 } 505 506 hw_atl_reg_rx_flr_mcst_flr_msk_set(self, 0x00000000U); 507 hw_atl_reg_rx_flr_mcst_flr_set(self, HW_ATL_MCAST_FLT_ANY_TO_HOST, 0U); 508 509 /* Vlan filters */ 510 hw_atl_rpf_vlan_outer_etht_set(self, ETH_P_8021AD); 511 hw_atl_rpf_vlan_inner_etht_set(self, ETH_P_8021Q); 512 513 hw_atl_rpf_vlan_prom_mode_en_set(self, 1); 514 515 /* Always accept untagged packets */ 516 hw_atl_rpf_vlan_accept_untagged_packets_set(self, 1U); 517 hw_atl_rpf_vlan_untagged_act_set(self, 1U); 518 519 hw_atl2_hw_init_new_rx_filters(self); 520 521 /* Rx Interrupts */ 522 hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 1U); 523 524 hw_atl_rpfl2broadcast_flr_act_set(self, 1U); 525 hw_atl_rpfl2broadcast_count_threshold_set(self, 0xFFFFU & (~0U / 256U)); 526 527 hw_atl_rdm_rx_dca_en_set(self, 0U); 528 hw_atl_rdm_rx_dca_mode_set(self, 0U); 529 530 return aq_hw_err_from_flags(self); 531 } 532 hw_atl2_hw_init(struct aq_hw_s * self,const u8 * mac_addr)533 static int hw_atl2_hw_init(struct aq_hw_s *self, const u8 *mac_addr) 534 { 535 static u32 aq_hw_atl2_igcr_table_[4][2] = { 536 [AQ_HW_IRQ_INVALID] = { 0x20000000U, 0x20000000U }, 537 [AQ_HW_IRQ_LEGACY] = { 0x20000080U, 0x20000080U }, 538 [AQ_HW_IRQ_MSI] = { 0x20000021U, 0x20000025U }, 539 [AQ_HW_IRQ_MSIX] = { 0x20000022U, 0x20000026U }, 540 }; 541 542 struct aq_nic_cfg_s *aq_nic_cfg = self->aq_nic_cfg; 543 struct hw_atl2_priv *priv = self->priv; 544 u8 base_index, count; 545 int err; 546 547 err = hw_atl2_utils_get_action_resolve_table_caps(self, &base_index, 548 &count); 549 if (err) 550 return err; 551 552 priv->art_base_index = 8 * base_index; 553 554 hw_atl2_init_launchtime(self); 555 556 hw_atl2_hw_init_tx_path(self); 557 hw_atl2_hw_init_rx_path(self); 558 559 hw_atl_b0_hw_mac_addr_set(self, mac_addr); 560 561 self->aq_fw_ops->set_link_speed(self, aq_nic_cfg->link_speed_msk); 562 self->aq_fw_ops->set_state(self, MPI_INIT); 563 564 hw_atl2_hw_qos_set(self); 565 hw_atl2_hw_rss_set(self, &aq_nic_cfg->aq_rss); 566 hw_atl_b0_hw_rss_hash_set(self, &aq_nic_cfg->aq_rss); 567 568 hw_atl2_rpf_new_enable_set(self, 1); 569 570 /* Reset link status and read out initial hardware counters */ 571 self->aq_link_status.mbps = 0; 572 self->aq_fw_ops->update_stats(self); 573 574 err = aq_hw_err_from_flags(self); 575 if (err < 0) 576 goto err_exit; 577 578 /* Interrupts */ 579 hw_atl_reg_irq_glb_ctl_set(self, 580 aq_hw_atl2_igcr_table_[aq_nic_cfg->irq_type] 581 [(aq_nic_cfg->vecs > 1U) ? 582 1 : 0]); 583 584 hw_atl_itr_irq_auto_masklsw_set(self, aq_nic_cfg->aq_hw_caps->irq_mask); 585 586 /* Interrupts */ 587 hw_atl_reg_gen_irq_map_set(self, 588 ((HW_ATL2_ERR_INT << 0x18) | 589 (1U << 0x1F)) | 590 ((HW_ATL2_ERR_INT << 0x10) | 591 (1U << 0x17)), 0U); 592 593 hw_atl_b0_hw_offload_set(self, aq_nic_cfg); 594 595 err_exit: 596 return err; 597 } 598 hw_atl2_hw_ring_rx_init(struct aq_hw_s * self,struct aq_ring_s * aq_ring,struct aq_ring_param_s * aq_ring_param)599 static int hw_atl2_hw_ring_rx_init(struct aq_hw_s *self, 600 struct aq_ring_s *aq_ring, 601 struct aq_ring_param_s *aq_ring_param) 602 { 603 return hw_atl_b0_hw_ring_rx_init(self, aq_ring, aq_ring_param); 604 } 605 hw_atl2_hw_ring_tx_init(struct aq_hw_s * self,struct aq_ring_s * aq_ring,struct aq_ring_param_s * aq_ring_param)606 static int hw_atl2_hw_ring_tx_init(struct aq_hw_s *self, 607 struct aq_ring_s *aq_ring, 608 struct aq_ring_param_s *aq_ring_param) 609 { 610 return hw_atl_b0_hw_ring_tx_init(self, aq_ring, aq_ring_param); 611 } 612 613 #define IS_FILTER_ENABLED(_F_) ((packet_filter & (_F_)) ? 1U : 0U) 614 hw_atl2_hw_packet_filter_set(struct aq_hw_s * self,unsigned int packet_filter)615 static int hw_atl2_hw_packet_filter_set(struct aq_hw_s *self, 616 unsigned int packet_filter) 617 { 618 hw_atl2_hw_new_rx_filter_promisc(self, IS_FILTER_ENABLED(IFF_PROMISC)); 619 620 return hw_atl_b0_hw_packet_filter_set(self, packet_filter); 621 } 622 623 #undef IS_FILTER_ENABLED 624 hw_atl2_hw_multicast_list_set(struct aq_hw_s * self,u8 ar_mac[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN],u32 count)625 static int hw_atl2_hw_multicast_list_set(struct aq_hw_s *self, 626 u8 ar_mac 627 [AQ_HW_MULTICAST_ADDRESS_MAX] 628 [ETH_ALEN], 629 u32 count) 630 { 631 struct aq_nic_cfg_s *cfg = self->aq_nic_cfg; 632 int err = 0; 633 634 if (count > (HW_ATL2_MAC_MAX - HW_ATL2_MAC_MIN)) { 635 err = -EBADRQC; 636 goto err_exit; 637 } 638 for (cfg->mc_list_count = 0U; 639 cfg->mc_list_count < count; 640 ++cfg->mc_list_count) { 641 u32 i = cfg->mc_list_count; 642 u32 h = (ar_mac[i][0] << 8) | (ar_mac[i][1]); 643 u32 l = (ar_mac[i][2] << 24) | (ar_mac[i][3] << 16) | 644 (ar_mac[i][4] << 8) | ar_mac[i][5]; 645 646 hw_atl_rpfl2_uc_flr_en_set(self, 0U, HW_ATL2_MAC_MIN + i); 647 648 hw_atl_rpfl2unicast_dest_addresslsw_set(self, l, 649 HW_ATL2_MAC_MIN + i); 650 651 hw_atl_rpfl2unicast_dest_addressmsw_set(self, h, 652 HW_ATL2_MAC_MIN + i); 653 654 hw_atl2_rpfl2_uc_flr_tag_set(self, 1, HW_ATL2_MAC_MIN + i); 655 656 hw_atl_rpfl2_uc_flr_en_set(self, (cfg->is_mc_list_enabled), 657 HW_ATL2_MAC_MIN + i); 658 } 659 660 err = aq_hw_err_from_flags(self); 661 662 err_exit: 663 return err; 664 } 665 hw_atl2_hw_interrupt_moderation_set(struct aq_hw_s * self)666 static int hw_atl2_hw_interrupt_moderation_set(struct aq_hw_s *self) 667 { 668 unsigned int i = 0U; 669 u32 itr_tx = 2U; 670 u32 itr_rx = 2U; 671 672 switch (self->aq_nic_cfg->itr) { 673 case AQ_CFG_INTERRUPT_MODERATION_ON: 674 case AQ_CFG_INTERRUPT_MODERATION_AUTO: 675 hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 0U); 676 hw_atl_tdm_tdm_intr_moder_en_set(self, 1U); 677 hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 0U); 678 hw_atl_rdm_rdm_intr_moder_en_set(self, 1U); 679 680 if (self->aq_nic_cfg->itr == AQ_CFG_INTERRUPT_MODERATION_ON) { 681 /* HW timers are in 2us units */ 682 int tx_max_timer = self->aq_nic_cfg->tx_itr / 2; 683 int tx_min_timer = tx_max_timer / 2; 684 685 int rx_max_timer = self->aq_nic_cfg->rx_itr / 2; 686 int rx_min_timer = rx_max_timer / 2; 687 688 tx_max_timer = min(HW_ATL2_INTR_MODER_MAX, 689 tx_max_timer); 690 tx_min_timer = min(HW_ATL2_INTR_MODER_MIN, 691 tx_min_timer); 692 rx_max_timer = min(HW_ATL2_INTR_MODER_MAX, 693 rx_max_timer); 694 rx_min_timer = min(HW_ATL2_INTR_MODER_MIN, 695 rx_min_timer); 696 697 itr_tx |= tx_min_timer << 0x8U; 698 itr_tx |= tx_max_timer << 0x10U; 699 itr_rx |= rx_min_timer << 0x8U; 700 itr_rx |= rx_max_timer << 0x10U; 701 } else { 702 static unsigned int hw_atl2_timers_table_tx_[][2] = { 703 {0xfU, 0xffU}, /* 10Gbit */ 704 {0xfU, 0x1ffU}, /* 5Gbit */ 705 {0xfU, 0x1ffU}, /* 5Gbit 5GS */ 706 {0xfU, 0x1ffU}, /* 2.5Gbit */ 707 {0xfU, 0x1ffU}, /* 1Gbit */ 708 {0xfU, 0x1ffU}, /* 100Mbit */ 709 }; 710 static unsigned int hw_atl2_timers_table_rx_[][2] = { 711 {0x6U, 0x38U},/* 10Gbit */ 712 {0xCU, 0x70U},/* 5Gbit */ 713 {0xCU, 0x70U},/* 5Gbit 5GS */ 714 {0x18U, 0xE0U},/* 2.5Gbit */ 715 {0x30U, 0x80U},/* 1Gbit */ 716 {0x4U, 0x50U},/* 100Mbit */ 717 }; 718 unsigned int mbps = self->aq_link_status.mbps; 719 unsigned int speed_index; 720 721 speed_index = hw_atl_utils_mbps_2_speed_index(mbps); 722 723 /* Update user visible ITR settings */ 724 self->aq_nic_cfg->tx_itr = hw_atl2_timers_table_tx_ 725 [speed_index][1] * 2; 726 self->aq_nic_cfg->rx_itr = hw_atl2_timers_table_rx_ 727 [speed_index][1] * 2; 728 729 itr_tx |= hw_atl2_timers_table_tx_ 730 [speed_index][0] << 0x8U; 731 itr_tx |= hw_atl2_timers_table_tx_ 732 [speed_index][1] << 0x10U; 733 734 itr_rx |= hw_atl2_timers_table_rx_ 735 [speed_index][0] << 0x8U; 736 itr_rx |= hw_atl2_timers_table_rx_ 737 [speed_index][1] << 0x10U; 738 } 739 break; 740 case AQ_CFG_INTERRUPT_MODERATION_OFF: 741 hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 1U); 742 hw_atl_tdm_tdm_intr_moder_en_set(self, 0U); 743 hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 1U); 744 hw_atl_rdm_rdm_intr_moder_en_set(self, 0U); 745 itr_tx = 0U; 746 itr_rx = 0U; 747 break; 748 } 749 750 for (i = HW_ATL2_RINGS_MAX; i--;) { 751 hw_atl2_reg_tx_intr_moder_ctrl_set(self, itr_tx, i); 752 hw_atl_reg_rx_intr_moder_ctrl_set(self, itr_rx, i); 753 } 754 755 return aq_hw_err_from_flags(self); 756 } 757 hw_atl2_hw_stop(struct aq_hw_s * self)758 static int hw_atl2_hw_stop(struct aq_hw_s *self) 759 { 760 hw_atl_b0_hw_irq_disable(self, HW_ATL2_INT_MASK); 761 762 return 0; 763 } 764 hw_atl2_utils_get_hw_stats(struct aq_hw_s * self)765 static struct aq_stats_s *hw_atl2_utils_get_hw_stats(struct aq_hw_s *self) 766 { 767 return &self->curr_stats; 768 } 769 hw_atl2_hw_vlan_set(struct aq_hw_s * self,struct aq_rx_filter_vlan * aq_vlans)770 static int hw_atl2_hw_vlan_set(struct aq_hw_s *self, 771 struct aq_rx_filter_vlan *aq_vlans) 772 { 773 struct hw_atl2_priv *priv = self->priv; 774 u32 queue; 775 u8 index; 776 int i; 777 778 hw_atl_rpf_vlan_prom_mode_en_set(self, 1U); 779 780 for (i = 0; i < HW_ATL_VLAN_MAX_FILTERS; i++) { 781 queue = HW_ATL2_ACTION_ASSIGN_QUEUE(aq_vlans[i].queue); 782 783 hw_atl_rpf_vlan_flr_en_set(self, 0U, i); 784 hw_atl_rpf_vlan_rxq_en_flr_set(self, 0U, i); 785 index = priv->art_base_index + HW_ATL2_RPF_VLAN_USER_INDEX + i; 786 hw_atl2_act_rslvr_table_set(self, index, 0, 0, 787 HW_ATL2_ACTION_DISABLE); 788 if (aq_vlans[i].enable) { 789 hw_atl_rpf_vlan_id_flr_set(self, 790 aq_vlans[i].vlan_id, i); 791 hw_atl_rpf_vlan_flr_act_set(self, 1U, i); 792 hw_atl_rpf_vlan_flr_en_set(self, 1U, i); 793 794 if (aq_vlans[i].queue != 0xFF) { 795 hw_atl_rpf_vlan_rxq_flr_set(self, 796 aq_vlans[i].queue, 797 i); 798 hw_atl_rpf_vlan_rxq_en_flr_set(self, 1U, i); 799 800 hw_atl2_rpf_vlan_flr_tag_set(self, i + 2, i); 801 802 index = priv->art_base_index + 803 HW_ATL2_RPF_VLAN_USER_INDEX + i; 804 hw_atl2_act_rslvr_table_set(self, index, 805 (i + 2) << HW_ATL2_RPF_TAG_VLAN_OFFSET, 806 HW_ATL2_RPF_TAG_VLAN_MASK, queue); 807 } else { 808 hw_atl2_rpf_vlan_flr_tag_set(self, 1, i); 809 } 810 } 811 } 812 813 return aq_hw_err_from_flags(self); 814 } 815 hw_atl2_hw_vlan_ctrl(struct aq_hw_s * self,bool enable)816 static int hw_atl2_hw_vlan_ctrl(struct aq_hw_s *self, bool enable) 817 { 818 /* set promisc in case of disabing the vlan filter */ 819 hw_atl_rpf_vlan_prom_mode_en_set(self, !enable); 820 hw_atl2_hw_new_rx_filter_vlan_promisc(self, !enable); 821 822 return aq_hw_err_from_flags(self); 823 } 824 825 const struct aq_hw_ops hw_atl2_ops = { 826 .hw_soft_reset = hw_atl2_utils_soft_reset, 827 .hw_prepare = hw_atl2_utils_initfw, 828 .hw_set_mac_address = hw_atl_b0_hw_mac_addr_set, 829 .hw_init = hw_atl2_hw_init, 830 .hw_reset = hw_atl2_hw_reset, 831 .hw_start = hw_atl_b0_hw_start, 832 .hw_ring_tx_start = hw_atl_b0_hw_ring_tx_start, 833 .hw_ring_tx_stop = hw_atl_b0_hw_ring_tx_stop, 834 .hw_ring_rx_start = hw_atl_b0_hw_ring_rx_start, 835 .hw_ring_rx_stop = hw_atl_b0_hw_ring_rx_stop, 836 .hw_stop = hw_atl2_hw_stop, 837 838 .hw_ring_tx_xmit = hw_atl_b0_hw_ring_tx_xmit, 839 .hw_ring_tx_head_update = hw_atl_b0_hw_ring_tx_head_update, 840 841 .hw_ring_rx_receive = hw_atl_b0_hw_ring_rx_receive, 842 .hw_ring_rx_fill = hw_atl_b0_hw_ring_rx_fill, 843 844 .hw_irq_enable = hw_atl_b0_hw_irq_enable, 845 .hw_irq_disable = hw_atl_b0_hw_irq_disable, 846 .hw_irq_read = hw_atl_b0_hw_irq_read, 847 848 .hw_ring_rx_init = hw_atl2_hw_ring_rx_init, 849 .hw_ring_tx_init = hw_atl2_hw_ring_tx_init, 850 .hw_packet_filter_set = hw_atl2_hw_packet_filter_set, 851 .hw_filter_vlan_set = hw_atl2_hw_vlan_set, 852 .hw_filter_vlan_ctrl = hw_atl2_hw_vlan_ctrl, 853 .hw_multicast_list_set = hw_atl2_hw_multicast_list_set, 854 .hw_interrupt_moderation_set = hw_atl2_hw_interrupt_moderation_set, 855 .hw_rss_set = hw_atl2_hw_rss_set, 856 .hw_rss_hash_set = hw_atl_b0_hw_rss_hash_set, 857 .hw_tc_rate_limit_set = hw_atl2_hw_init_tx_tc_rate_limit, 858 .hw_get_hw_stats = hw_atl2_utils_get_hw_stats, 859 .hw_get_fw_version = hw_atl2_utils_get_fw_version, 860 .hw_set_offload = hw_atl_b0_hw_offload_set, 861 .hw_set_loopback = hw_atl_b0_set_loopback, 862 .hw_set_fc = hw_atl_b0_set_fc, 863 }; 864