linux/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
<<
>>
Prefs
   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * aQuantia Corporation Network Driver
   4 * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
   5 */
   6
   7/* File hw_atl_b0.c: Definition of Atlantic hardware specific functions. */
   8
   9#include "../aq_hw.h"
  10#include "../aq_hw_utils.h"
  11#include "../aq_ring.h"
  12#include "../aq_nic.h"
  13#include "hw_atl_b0.h"
  14#include "hw_atl_utils.h"
  15#include "hw_atl_llh.h"
  16#include "hw_atl_b0_internal.h"
  17#include "hw_atl_llh_internal.h"
  18
  19#define DEFAULT_B0_BOARD_BASIC_CAPABILITIES \
  20        .is_64_dma = true,                \
  21        .msix_irqs = 8U,                  \
  22        .irq_mask = ~0U,                  \
  23        .vecs = HW_ATL_B0_RSS_MAX,        \
  24        .tcs = HW_ATL_B0_TC_MAX,          \
  25        .rxd_alignment = 1U,              \
  26        .rxd_size = HW_ATL_B0_RXD_SIZE,   \
  27        .rxds_max = HW_ATL_B0_MAX_RXD,    \
  28        .rxds_min = HW_ATL_B0_MIN_RXD,    \
  29        .txd_alignment = 1U,              \
  30        .txd_size = HW_ATL_B0_TXD_SIZE,   \
  31        .txds_max = HW_ATL_B0_MAX_TXD,    \
  32        .txds_min = HW_ATL_B0_MIN_TXD,    \
  33        .txhwb_alignment = 4096U,         \
  34        .tx_rings = HW_ATL_B0_TX_RINGS,   \
  35        .rx_rings = HW_ATL_B0_RX_RINGS,   \
  36        .hw_features = NETIF_F_HW_CSUM |  \
  37                        NETIF_F_RXCSUM |  \
  38                        NETIF_F_RXHASH |  \
  39                        NETIF_F_SG |      \
  40                        NETIF_F_TSO |     \
  41                        NETIF_F_LRO |     \
  42                        NETIF_F_NTUPLE |  \
  43                        NETIF_F_HW_VLAN_CTAG_FILTER | \
  44                        NETIF_F_HW_VLAN_CTAG_RX |     \
  45                        NETIF_F_HW_VLAN_CTAG_TX,      \
  46        .hw_priv_flags = IFF_UNICAST_FLT, \
  47        .flow_control = true,             \
  48        .mtu = HW_ATL_B0_MTU_JUMBO,       \
  49        .mac_regs_count = 88,             \
  50        .hw_alive_check_addr = 0x10U
  51
  52const struct aq_hw_caps_s hw_atl_b0_caps_aqc100 = {
  53        DEFAULT_B0_BOARD_BASIC_CAPABILITIES,
  54        .media_type = AQ_HW_MEDIA_TYPE_FIBRE,
  55        .link_speed_msk = AQ_NIC_RATE_10G |
  56                          AQ_NIC_RATE_5G |
  57                          AQ_NIC_RATE_2GS |
  58                          AQ_NIC_RATE_1G |
  59                          AQ_NIC_RATE_100M,
  60};
  61
  62const struct aq_hw_caps_s hw_atl_b0_caps_aqc107 = {
  63        DEFAULT_B0_BOARD_BASIC_CAPABILITIES,
  64        .media_type = AQ_HW_MEDIA_TYPE_TP,
  65        .link_speed_msk = AQ_NIC_RATE_10G |
  66                          AQ_NIC_RATE_5G |
  67                          AQ_NIC_RATE_2GS |
  68                          AQ_NIC_RATE_1G |
  69                          AQ_NIC_RATE_100M,
  70};
  71
  72const struct aq_hw_caps_s hw_atl_b0_caps_aqc108 = {
  73        DEFAULT_B0_BOARD_BASIC_CAPABILITIES,
  74        .media_type = AQ_HW_MEDIA_TYPE_TP,
  75        .link_speed_msk = AQ_NIC_RATE_5G |
  76                          AQ_NIC_RATE_2GS |
  77                          AQ_NIC_RATE_1G |
  78                          AQ_NIC_RATE_100M,
  79};
  80
  81const struct aq_hw_caps_s hw_atl_b0_caps_aqc109 = {
  82        DEFAULT_B0_BOARD_BASIC_CAPABILITIES,
  83        .media_type = AQ_HW_MEDIA_TYPE_TP,
  84        .link_speed_msk = AQ_NIC_RATE_2GS |
  85                          AQ_NIC_RATE_1G |
  86                          AQ_NIC_RATE_100M,
  87};
  88
  89static int hw_atl_b0_hw_reset(struct aq_hw_s *self)
  90{
  91        int err = 0;
  92
  93        err = hw_atl_utils_soft_reset(self);
  94        if (err)
  95                return err;
  96
  97        self->aq_fw_ops->set_state(self, MPI_RESET);
  98
  99        err = aq_hw_err_from_flags(self);
 100
 101        return err;
 102}
 103
 104static int hw_atl_b0_set_fc(struct aq_hw_s *self, u32 fc, u32 tc)
 105{
 106        hw_atl_rpb_rx_xoff_en_per_tc_set(self, !!(fc & AQ_NIC_FC_RX), tc);
 107        return 0;
 108}
 109
 110static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self)
 111{
 112        u32 tc = 0U;
 113        u32 buff_size = 0U;
 114        unsigned int i_priority = 0U;
 115
 116        /* TPS Descriptor rate init */
 117        hw_atl_tps_tx_pkt_shed_desc_rate_curr_time_res_set(self, 0x0U);
 118        hw_atl_tps_tx_pkt_shed_desc_rate_lim_set(self, 0xA);
 119
 120        /* TPS VM init */
 121        hw_atl_tps_tx_pkt_shed_desc_vm_arb_mode_set(self, 0U);
 122
 123        /* TPS TC credits init */
 124        hw_atl_tps_tx_pkt_shed_desc_tc_arb_mode_set(self, 0U);
 125        hw_atl_tps_tx_pkt_shed_data_arb_mode_set(self, 0U);
 126
 127        hw_atl_tps_tx_pkt_shed_tc_data_max_credit_set(self, 0xFFF, 0U);
 128        hw_atl_tps_tx_pkt_shed_tc_data_weight_set(self, 0x64, 0U);
 129        hw_atl_tps_tx_pkt_shed_desc_tc_max_credit_set(self, 0x50, 0U);
 130        hw_atl_tps_tx_pkt_shed_desc_tc_weight_set(self, 0x1E, 0U);
 131
 132        /* Tx buf size */
 133        buff_size = HW_ATL_B0_TXBUF_MAX;
 134
 135        hw_atl_tpb_tx_pkt_buff_size_per_tc_set(self, buff_size, tc);
 136        hw_atl_tpb_tx_buff_hi_threshold_per_tc_set(self,
 137                                                   (buff_size *
 138                                                   (1024 / 32U) * 66U) /
 139                                                   100U, tc);
 140        hw_atl_tpb_tx_buff_lo_threshold_per_tc_set(self,
 141                                                   (buff_size *
 142                                                   (1024 / 32U) * 50U) /
 143                                                   100U, tc);
 144
 145        /* QoS Rx buf size per TC */
 146        tc = 0;
 147        buff_size = HW_ATL_B0_RXBUF_MAX;
 148
 149        hw_atl_rpb_rx_pkt_buff_size_per_tc_set(self, buff_size, tc);
 150        hw_atl_rpb_rx_buff_hi_threshold_per_tc_set(self,
 151                                                   (buff_size *
 152                                                   (1024U / 32U) * 66U) /
 153                                                   100U, tc);
 154        hw_atl_rpb_rx_buff_lo_threshold_per_tc_set(self,
 155                                                   (buff_size *
 156                                                   (1024U / 32U) * 50U) /
 157                                                   100U, tc);
 158
 159        hw_atl_b0_set_fc(self, self->aq_nic_cfg->flow_control, tc);
 160
 161        /* QoS 802.1p priority -> TC mapping */
 162        for (i_priority = 8U; i_priority--;)
 163                hw_atl_rpf_rpb_user_priority_tc_map_set(self, i_priority, 0U);
 164
 165        return aq_hw_err_from_flags(self);
 166}
 167
 168static int hw_atl_b0_hw_rss_hash_set(struct aq_hw_s *self,
 169                                     struct aq_rss_parameters *rss_params)
 170{
 171        struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
 172        int err = 0;
 173        unsigned int i = 0U;
 174        unsigned int addr = 0U;
 175        u32 val;
 176
 177        for (i = 10, addr = 0U; i--; ++addr) {
 178                u32 key_data = cfg->is_rss ?
 179                        __swab32(rss_params->hash_secret_key[i]) : 0U;
 180                hw_atl_rpf_rss_key_wr_data_set(self, key_data);
 181                hw_atl_rpf_rss_key_addr_set(self, addr);
 182                hw_atl_rpf_rss_key_wr_en_set(self, 1U);
 183                err = readx_poll_timeout_atomic(hw_atl_rpf_rss_key_wr_en_get,
 184                                                self, val, val == 0,
 185                                                1000U, 10000U);
 186                if (err < 0)
 187                        goto err_exit;
 188        }
 189
 190        err = aq_hw_err_from_flags(self);
 191
 192err_exit:
 193        return err;
 194}
 195
 196static int hw_atl_b0_hw_rss_set(struct aq_hw_s *self,
 197                                struct aq_rss_parameters *rss_params)
 198{
 199        u8 *indirection_table = rss_params->indirection_table;
 200        u32 i = 0U;
 201        u32 num_rss_queues = max(1U, self->aq_nic_cfg->num_rss_queues);
 202        int err = 0;
 203        u16 bitary[1 + (HW_ATL_B0_RSS_REDIRECTION_MAX *
 204                   HW_ATL_B0_RSS_REDIRECTION_BITS / 16U)];
 205        u32 val;
 206
 207        memset(bitary, 0, sizeof(bitary));
 208
 209        for (i = HW_ATL_B0_RSS_REDIRECTION_MAX; i--;) {
 210                (*(u32 *)(bitary + ((i * 3U) / 16U))) |=
 211                        ((indirection_table[i] % num_rss_queues) <<
 212                        ((i * 3U) & 0xFU));
 213        }
 214
 215        for (i = ARRAY_SIZE(bitary); i--;) {
 216                hw_atl_rpf_rss_redir_tbl_wr_data_set(self, bitary[i]);
 217                hw_atl_rpf_rss_redir_tbl_addr_set(self, i);
 218                hw_atl_rpf_rss_redir_wr_en_set(self, 1U);
 219                err = readx_poll_timeout_atomic(hw_atl_rpf_rss_redir_wr_en_get,
 220                                                self, val, val == 0,
 221                                                1000U, 10000U);
 222                if (err < 0)
 223                        goto err_exit;
 224        }
 225
 226        err = aq_hw_err_from_flags(self);
 227
 228err_exit:
 229        return err;
 230}
 231
 232static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
 233                                    struct aq_nic_cfg_s *aq_nic_cfg)
 234{
 235        unsigned int i;
 236
 237        /* TX checksums offloads*/
 238        hw_atl_tpo_ipv4header_crc_offload_en_set(self, 1);
 239        hw_atl_tpo_tcp_udp_crc_offload_en_set(self, 1);
 240
 241        /* RX checksums offloads*/
 242        hw_atl_rpo_ipv4header_crc_offload_en_set(self, !!(aq_nic_cfg->features &
 243                                                 NETIF_F_RXCSUM));
 244        hw_atl_rpo_tcp_udp_crc_offload_en_set(self, !!(aq_nic_cfg->features &
 245                                              NETIF_F_RXCSUM));
 246
 247        /* LSO offloads*/
 248        hw_atl_tdm_large_send_offload_en_set(self, 0xFFFFFFFFU);
 249
 250        /* Outer VLAN tag offload */
 251        hw_atl_rpo_outer_vlan_tag_mode_set(self, 1U);
 252
 253/* LRO offloads */
 254        {
 255                unsigned int val = (8U < HW_ATL_B0_LRO_RXD_MAX) ? 0x3U :
 256                        ((4U < HW_ATL_B0_LRO_RXD_MAX) ? 0x2U :
 257                        ((2U < HW_ATL_B0_LRO_RXD_MAX) ? 0x1U : 0x0));
 258
 259                for (i = 0; i < HW_ATL_B0_RINGS_MAX; i++)
 260                        hw_atl_rpo_lro_max_num_of_descriptors_set(self, val, i);
 261
 262                hw_atl_rpo_lro_time_base_divider_set(self, 0x61AU);
 263                hw_atl_rpo_lro_inactive_interval_set(self, 0);
 264                /* the LRO timebase divider is 5 uS (0x61a),
 265                 * which is multiplied by 50(0x32)
 266                 * to get a maximum coalescing interval of 250 uS,
 267                 * which is the default value
 268                 */
 269                hw_atl_rpo_lro_max_coalescing_interval_set(self, 50);
 270
 271                hw_atl_rpo_lro_qsessions_lim_set(self, 1U);
 272
 273                hw_atl_rpo_lro_total_desc_lim_set(self, 2U);
 274
 275                hw_atl_rpo_lro_patch_optimization_en_set(self, 1U);
 276
 277                hw_atl_rpo_lro_min_pay_of_first_pkt_set(self, 10U);
 278
 279                hw_atl_rpo_lro_pkt_lim_set(self, 1U);
 280
 281                hw_atl_rpo_lro_en_set(self,
 282                                      aq_nic_cfg->is_lro ? 0xFFFFFFFFU : 0U);
 283                hw_atl_itr_rsc_en_set(self,
 284                                      aq_nic_cfg->is_lro ? 0xFFFFFFFFU : 0U);
 285
 286                hw_atl_itr_rsc_delay_set(self, 1U);
 287        }
 288        return aq_hw_err_from_flags(self);
 289}
 290
 291static int hw_atl_b0_hw_init_tx_path(struct aq_hw_s *self)
 292{
 293        /* Tx TC/Queue number config */
 294        hw_atl_rpb_tps_tx_tc_mode_set(self, 1U);
 295
 296        hw_atl_thm_lso_tcp_flag_of_first_pkt_set(self, 0x0FF6U);
 297        hw_atl_thm_lso_tcp_flag_of_middle_pkt_set(self, 0x0FF6U);
 298        hw_atl_thm_lso_tcp_flag_of_last_pkt_set(self, 0x0F7FU);
 299
 300        /* Tx interrupts */
 301        hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 1U);
 302
 303        /* misc */
 304        aq_hw_write_reg(self, 0x00007040U, IS_CHIP_FEATURE(TPO2) ?
 305                        0x00010000U : 0x00000000U);
 306        hw_atl_tdm_tx_dca_en_set(self, 0U);
 307        hw_atl_tdm_tx_dca_mode_set(self, 0U);
 308
 309        hw_atl_tpb_tx_path_scp_ins_en_set(self, 1U);
 310
 311        return aq_hw_err_from_flags(self);
 312}
 313
 314static int hw_atl_b0_hw_init_rx_path(struct aq_hw_s *self)
 315{
 316        struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
 317        int i;
 318
 319        /* Rx TC/RSS number config */
 320        hw_atl_rpb_rpf_rx_traf_class_mode_set(self, 1U);
 321
 322        /* Rx flow control */
 323        hw_atl_rpb_rx_flow_ctl_mode_set(self, 1U);
 324
 325        /* RSS Ring selection */
 326        hw_atl_reg_rx_flr_rss_control1set(self, cfg->is_rss ?
 327                                        0xB3333333U : 0x00000000U);
 328
 329        /* Multicast filters */
 330        for (i = HW_ATL_B0_MAC_MAX; i--;) {
 331                hw_atl_rpfl2_uc_flr_en_set(self, (i == 0U) ? 1U : 0U, i);
 332                hw_atl_rpfl2unicast_flr_act_set(self, 1U, i);
 333        }
 334
 335        hw_atl_reg_rx_flr_mcst_flr_msk_set(self, 0x00000000U);
 336        hw_atl_reg_rx_flr_mcst_flr_set(self, 0x00010FFFU, 0U);
 337
 338        /* Vlan filters */
 339        hw_atl_rpf_vlan_outer_etht_set(self, 0x88A8U);
 340        hw_atl_rpf_vlan_inner_etht_set(self, 0x8100U);
 341
 342        hw_atl_rpf_vlan_prom_mode_en_set(self, 1);
 343
 344        // Always accept untagged packets
 345        hw_atl_rpf_vlan_accept_untagged_packets_set(self, 1U);
 346        hw_atl_rpf_vlan_untagged_act_set(self, 1U);
 347
 348        /* Rx Interrupts */
 349        hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 1U);
 350
 351        /* misc */
 352        aq_hw_write_reg(self, 0x00005040U,
 353                        IS_CHIP_FEATURE(RPF2) ? 0x000F0000U : 0x00000000U);
 354
 355        hw_atl_rpfl2broadcast_flr_act_set(self, 1U);
 356        hw_atl_rpfl2broadcast_count_threshold_set(self, 0xFFFFU & (~0U / 256U));
 357
 358        hw_atl_rdm_rx_dca_en_set(self, 0U);
 359        hw_atl_rdm_rx_dca_mode_set(self, 0U);
 360
 361        return aq_hw_err_from_flags(self);
 362}
 363
 364static int hw_atl_b0_hw_mac_addr_set(struct aq_hw_s *self, u8 *mac_addr)
 365{
 366        int err = 0;
 367        unsigned int h = 0U;
 368        unsigned int l = 0U;
 369
 370        if (!mac_addr) {
 371                err = -EINVAL;
 372                goto err_exit;
 373        }
 374        h = (mac_addr[0] << 8) | (mac_addr[1]);
 375        l = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
 376                (mac_addr[4] << 8) | mac_addr[5];
 377
 378        hw_atl_rpfl2_uc_flr_en_set(self, 0U, HW_ATL_B0_MAC);
 379        hw_atl_rpfl2unicast_dest_addresslsw_set(self, l, HW_ATL_B0_MAC);
 380        hw_atl_rpfl2unicast_dest_addressmsw_set(self, h, HW_ATL_B0_MAC);
 381        hw_atl_rpfl2_uc_flr_en_set(self, 1U, HW_ATL_B0_MAC);
 382
 383        err = aq_hw_err_from_flags(self);
 384
 385err_exit:
 386        return err;
 387}
 388
 389static int hw_atl_b0_hw_init(struct aq_hw_s *self, u8 *mac_addr)
 390{
 391        static u32 aq_hw_atl_igcr_table_[4][2] = {
 392                [AQ_HW_IRQ_INVALID] = { 0x20000000U, 0x20000000U },
 393                [AQ_HW_IRQ_LEGACY]  = { 0x20000080U, 0x20000080U },
 394                [AQ_HW_IRQ_MSI]     = { 0x20000021U, 0x20000025U },
 395                [AQ_HW_IRQ_MSIX]    = { 0x20000022U, 0x20000026U },
 396        };
 397
 398        int err = 0;
 399        u32 val;
 400
 401        struct aq_nic_cfg_s *aq_nic_cfg = self->aq_nic_cfg;
 402
 403        hw_atl_b0_hw_init_tx_path(self);
 404        hw_atl_b0_hw_init_rx_path(self);
 405
 406        hw_atl_b0_hw_mac_addr_set(self, mac_addr);
 407
 408        self->aq_fw_ops->set_link_speed(self, aq_nic_cfg->link_speed_msk);
 409        self->aq_fw_ops->set_state(self, MPI_INIT);
 410
 411        hw_atl_b0_hw_qos_set(self);
 412        hw_atl_b0_hw_rss_set(self, &aq_nic_cfg->aq_rss);
 413        hw_atl_b0_hw_rss_hash_set(self, &aq_nic_cfg->aq_rss);
 414
 415        /* Force limit MRRS on RDM/TDM to 2K */
 416        val = aq_hw_read_reg(self, HW_ATL_PCI_REG_CONTROL6_ADR);
 417        aq_hw_write_reg(self, HW_ATL_PCI_REG_CONTROL6_ADR,
 418                        (val & ~0x707) | 0x404);
 419
 420        /* TX DMA total request limit. B0 hardware is not capable to
 421         * handle more than (8K-MRRS) incoming DMA data.
 422         * Value 24 in 256byte units
 423         */
 424        aq_hw_write_reg(self, HW_ATL_TX_DMA_TOTAL_REQ_LIMIT_ADR, 24);
 425
 426        /* Reset link status and read out initial hardware counters */
 427        self->aq_link_status.mbps = 0;
 428        self->aq_fw_ops->update_stats(self);
 429
 430        err = aq_hw_err_from_flags(self);
 431        if (err < 0)
 432                goto err_exit;
 433
 434        /* Interrupts */
 435        hw_atl_reg_irq_glb_ctl_set(self,
 436                                   aq_hw_atl_igcr_table_[aq_nic_cfg->irq_type]
 437                                                 [(aq_nic_cfg->vecs > 1U) ?
 438                                                 1 : 0]);
 439
 440        hw_atl_itr_irq_auto_masklsw_set(self, aq_nic_cfg->aq_hw_caps->irq_mask);
 441
 442        /* Interrupts */
 443        hw_atl_reg_gen_irq_map_set(self,
 444                                   ((HW_ATL_B0_ERR_INT << 0x18) | (1U << 0x1F)) |
 445                            ((HW_ATL_B0_ERR_INT << 0x10) | (1U << 0x17)), 0U);
 446
 447        /* Enable link interrupt */
 448        if (aq_nic_cfg->link_irq_vec)
 449                hw_atl_reg_gen_irq_map_set(self, BIT(7) |
 450                                           aq_nic_cfg->link_irq_vec, 3U);
 451
 452        hw_atl_b0_hw_offload_set(self, aq_nic_cfg);
 453
 454err_exit:
 455        return err;
 456}
 457
 458static int hw_atl_b0_hw_ring_tx_start(struct aq_hw_s *self,
 459                                      struct aq_ring_s *ring)
 460{
 461        hw_atl_tdm_tx_desc_en_set(self, 1, ring->idx);
 462        return aq_hw_err_from_flags(self);
 463}
 464
 465static int hw_atl_b0_hw_ring_rx_start(struct aq_hw_s *self,
 466                                      struct aq_ring_s *ring)
 467{
 468        hw_atl_rdm_rx_desc_en_set(self, 1, ring->idx);
 469        return aq_hw_err_from_flags(self);
 470}
 471
 472static int hw_atl_b0_hw_start(struct aq_hw_s *self)
 473{
 474        hw_atl_tpb_tx_buff_en_set(self, 1);
 475        hw_atl_rpb_rx_buff_en_set(self, 1);
 476        return aq_hw_err_from_flags(self);
 477}
 478
 479static int hw_atl_b0_hw_tx_ring_tail_update(struct aq_hw_s *self,
 480                                            struct aq_ring_s *ring)
 481{
 482        hw_atl_reg_tx_dma_desc_tail_ptr_set(self, ring->sw_tail, ring->idx);
 483        return 0;
 484}
 485
 486static int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self,
 487                                     struct aq_ring_s *ring,
 488                                     unsigned int frags)
 489{
 490        struct aq_ring_buff_s *buff = NULL;
 491        struct hw_atl_txd_s *txd = NULL;
 492        unsigned int buff_pa_len = 0U;
 493        unsigned int pkt_len = 0U;
 494        unsigned int frag_count = 0U;
 495        bool is_vlan = false;
 496        bool is_gso = false;
 497
 498        buff = &ring->buff_ring[ring->sw_tail];
 499        pkt_len = (buff->is_eop && buff->is_sop) ? buff->len : buff->len_pkt;
 500
 501        for (frag_count = 0; frag_count < frags; frag_count++) {
 502                txd = (struct hw_atl_txd_s *)&ring->dx_ring[ring->sw_tail *
 503                                                HW_ATL_B0_TXD_SIZE];
 504                txd->ctl = 0;
 505                txd->ctl2 = 0;
 506                txd->buf_addr = 0;
 507
 508                buff = &ring->buff_ring[ring->sw_tail];
 509
 510                if (buff->is_gso) {
 511                        txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_TCP;
 512                        txd->ctl |= HW_ATL_B0_TXD_CTL_DESC_TYPE_TXC;
 513                        txd->ctl |= (buff->len_l3 << 31) |
 514                                    (buff->len_l2 << 24);
 515                        txd->ctl2 |= (buff->mss << 16);
 516                        is_gso = true;
 517
 518                        pkt_len -= (buff->len_l4 +
 519                                    buff->len_l3 +
 520                                    buff->len_l2);
 521                        if (buff->is_ipv6)
 522                                txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_IPV6;
 523                        txd->ctl2 |= (buff->len_l4 << 8) |
 524                                     (buff->len_l3 >> 1);
 525                }
 526                if (buff->is_vlan) {
 527                        txd->ctl |= HW_ATL_B0_TXD_CTL_DESC_TYPE_TXC;
 528                        txd->ctl |= buff->vlan_tx_tag << 4;
 529                        is_vlan = true;
 530                }
 531                if (!buff->is_gso && !buff->is_vlan) {
 532                        buff_pa_len = buff->len;
 533
 534                        txd->buf_addr = buff->pa;
 535                        txd->ctl |= (HW_ATL_B0_TXD_CTL_BLEN &
 536                                                ((u32)buff_pa_len << 4));
 537                        txd->ctl |= HW_ATL_B0_TXD_CTL_DESC_TYPE_TXD;
 538
 539                        /* PAY_LEN */
 540                        txd->ctl2 |= HW_ATL_B0_TXD_CTL2_LEN & (pkt_len << 14);
 541
 542                        if (is_gso || is_vlan) {
 543                                /* enable tx context */
 544                                txd->ctl2 |= HW_ATL_B0_TXD_CTL2_CTX_EN;
 545                        }
 546                        if (is_gso)
 547                                txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_LSO;
 548
 549                        /* Tx checksum offloads */
 550                        if (buff->is_ip_cso)
 551                                txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_IPCSO;
 552
 553                        if (buff->is_udp_cso || buff->is_tcp_cso)
 554                                txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_TUCSO;
 555
 556                        if (is_vlan)
 557                                txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_VLAN;
 558
 559                        if (unlikely(buff->is_eop)) {
 560                                txd->ctl |= HW_ATL_B0_TXD_CTL_EOP;
 561                                txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_WB;
 562                                is_gso = false;
 563                                is_vlan = false;
 564                        }
 565                }
 566                ring->sw_tail = aq_ring_next_dx(ring, ring->sw_tail);
 567        }
 568
 569        hw_atl_b0_hw_tx_ring_tail_update(self, ring);
 570        return aq_hw_err_from_flags(self);
 571}
 572
 573static int hw_atl_b0_hw_ring_rx_init(struct aq_hw_s *self,
 574                                     struct aq_ring_s *aq_ring,
 575                                     struct aq_ring_param_s *aq_ring_param)
 576{
 577        u32 dma_desc_addr_lsw = (u32)aq_ring->dx_ring_pa;
 578        u32 dma_desc_addr_msw = (u32)(((u64)aq_ring->dx_ring_pa) >> 32);
 579        u32 vlan_rx_stripping = self->aq_nic_cfg->is_vlan_rx_strip;
 580
 581        hw_atl_rdm_rx_desc_en_set(self, false, aq_ring->idx);
 582
 583        hw_atl_rdm_rx_desc_head_splitting_set(self, 0U, aq_ring->idx);
 584
 585        hw_atl_reg_rx_dma_desc_base_addresslswset(self, dma_desc_addr_lsw,
 586                                                  aq_ring->idx);
 587
 588        hw_atl_reg_rx_dma_desc_base_addressmswset(self,
 589                                                  dma_desc_addr_msw, aq_ring->idx);
 590
 591        hw_atl_rdm_rx_desc_len_set(self, aq_ring->size / 8U, aq_ring->idx);
 592
 593        hw_atl_rdm_rx_desc_data_buff_size_set(self,
 594                                              AQ_CFG_RX_FRAME_MAX / 1024U,
 595                                       aq_ring->idx);
 596
 597        hw_atl_rdm_rx_desc_head_buff_size_set(self, 0U, aq_ring->idx);
 598        hw_atl_rdm_rx_desc_head_splitting_set(self, 0U, aq_ring->idx);
 599        hw_atl_rpo_rx_desc_vlan_stripping_set(self, !!vlan_rx_stripping,
 600                                              aq_ring->idx);
 601
 602        /* Rx ring set mode */
 603
 604        /* Mapping interrupt vector */
 605        hw_atl_itr_irq_map_rx_set(self, aq_ring_param->vec_idx, aq_ring->idx);
 606        hw_atl_itr_irq_map_en_rx_set(self, true, aq_ring->idx);
 607
 608        hw_atl_rdm_cpu_id_set(self, aq_ring_param->cpu, aq_ring->idx);
 609        hw_atl_rdm_rx_desc_dca_en_set(self, 0U, aq_ring->idx);
 610        hw_atl_rdm_rx_head_dca_en_set(self, 0U, aq_ring->idx);
 611        hw_atl_rdm_rx_pld_dca_en_set(self, 0U, aq_ring->idx);
 612
 613        return aq_hw_err_from_flags(self);
 614}
 615
 616static int hw_atl_b0_hw_ring_tx_init(struct aq_hw_s *self,
 617                                     struct aq_ring_s *aq_ring,
 618                                     struct aq_ring_param_s *aq_ring_param)
 619{
 620        u32 dma_desc_lsw_addr = (u32)aq_ring->dx_ring_pa;
 621        u32 dma_desc_msw_addr = (u32)(((u64)aq_ring->dx_ring_pa) >> 32);
 622
 623        hw_atl_reg_tx_dma_desc_base_addresslswset(self, dma_desc_lsw_addr,
 624                                                  aq_ring->idx);
 625
 626        hw_atl_reg_tx_dma_desc_base_addressmswset(self, dma_desc_msw_addr,
 627                                                  aq_ring->idx);
 628
 629        hw_atl_tdm_tx_desc_len_set(self, aq_ring->size / 8U, aq_ring->idx);
 630
 631        hw_atl_b0_hw_tx_ring_tail_update(self, aq_ring);
 632
 633        /* Set Tx threshold */
 634        hw_atl_tdm_tx_desc_wr_wb_threshold_set(self, 0U, aq_ring->idx);
 635
 636        /* Mapping interrupt vector */
 637        hw_atl_itr_irq_map_tx_set(self, aq_ring_param->vec_idx, aq_ring->idx);
 638        hw_atl_itr_irq_map_en_tx_set(self, true, aq_ring->idx);
 639
 640        hw_atl_tdm_cpu_id_set(self, aq_ring_param->cpu, aq_ring->idx);
 641        hw_atl_tdm_tx_desc_dca_en_set(self, 0U, aq_ring->idx);
 642
 643        return aq_hw_err_from_flags(self);
 644}
 645
 646static int hw_atl_b0_hw_ring_rx_fill(struct aq_hw_s *self,
 647                                     struct aq_ring_s *ring,
 648                                     unsigned int sw_tail_old)
 649{
 650        for (; sw_tail_old != ring->sw_tail;
 651                sw_tail_old = aq_ring_next_dx(ring, sw_tail_old)) {
 652                struct hw_atl_rxd_s *rxd =
 653                        (struct hw_atl_rxd_s *)&ring->dx_ring[sw_tail_old *
 654                                                        HW_ATL_B0_RXD_SIZE];
 655
 656                struct aq_ring_buff_s *buff = &ring->buff_ring[sw_tail_old];
 657
 658                rxd->buf_addr = buff->pa;
 659                rxd->hdr_addr = 0U;
 660        }
 661
 662        hw_atl_reg_rx_dma_desc_tail_ptr_set(self, sw_tail_old, ring->idx);
 663
 664        return aq_hw_err_from_flags(self);
 665}
 666
 667static int hw_atl_b0_hw_ring_tx_head_update(struct aq_hw_s *self,
 668                                            struct aq_ring_s *ring)
 669{
 670        int err = 0;
 671        unsigned int hw_head_ = hw_atl_tdm_tx_desc_head_ptr_get(self, ring->idx);
 672
 673        if (aq_utils_obj_test(&self->flags, AQ_HW_FLAG_ERR_UNPLUG)) {
 674                err = -ENXIO;
 675                goto err_exit;
 676        }
 677        ring->hw_head = hw_head_;
 678        err = aq_hw_err_from_flags(self);
 679
 680err_exit:
 681        return err;
 682}
 683
 684static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self,
 685                                        struct aq_ring_s *ring)
 686{
 687        for (; ring->hw_head != ring->sw_tail;
 688                ring->hw_head = aq_ring_next_dx(ring, ring->hw_head)) {
 689                struct aq_ring_buff_s *buff = NULL;
 690                struct hw_atl_rxd_wb_s *rxd_wb = (struct hw_atl_rxd_wb_s *)
 691                        &ring->dx_ring[ring->hw_head * HW_ATL_B0_RXD_SIZE];
 692
 693                unsigned int is_rx_check_sum_enabled = 0U;
 694                unsigned int pkt_type = 0U;
 695                u8 rx_stat = 0U;
 696
 697                if (!(rxd_wb->status & 0x1U)) { /* RxD is not done */
 698                        break;
 699                }
 700
 701                buff = &ring->buff_ring[ring->hw_head];
 702
 703                buff->flags = 0U;
 704                buff->is_hash_l4 = 0U;
 705
 706                rx_stat = (0x0000003CU & rxd_wb->status) >> 2;
 707
 708                is_rx_check_sum_enabled = (rxd_wb->type >> 19) & 0x3U;
 709
 710                pkt_type = (rxd_wb->type & HW_ATL_B0_RXD_WB_STAT_PKTTYPE) >>
 711                           HW_ATL_B0_RXD_WB_STAT_PKTTYPE_SHIFT;
 712
 713                if (is_rx_check_sum_enabled & BIT(0) &&
 714                    (0x0U == (pkt_type & 0x3U)))
 715                        buff->is_ip_cso = (rx_stat & BIT(1)) ? 0U : 1U;
 716
 717                if (is_rx_check_sum_enabled & BIT(1)) {
 718                        if (0x4U == (pkt_type & 0x1CU))
 719                                buff->is_udp_cso = (rx_stat & BIT(2)) ? 0U :
 720                                                   !!(rx_stat & BIT(3));
 721                        else if (0x0U == (pkt_type & 0x1CU))
 722                                buff->is_tcp_cso = (rx_stat & BIT(2)) ? 0U :
 723                                                   !!(rx_stat & BIT(3));
 724                }
 725                buff->is_cso_err = !!(rx_stat & 0x6);
 726                /* Checksum offload workaround for small packets */
 727                if (unlikely(rxd_wb->pkt_len <= 60)) {
 728                        buff->is_ip_cso = 0U;
 729                        buff->is_cso_err = 0U;
 730                }
 731
 732                if (self->aq_nic_cfg->is_vlan_rx_strip &&
 733                    ((pkt_type & HW_ATL_B0_RXD_WB_PKTTYPE_VLAN) ||
 734                     (pkt_type & HW_ATL_B0_RXD_WB_PKTTYPE_VLAN_DOUBLE))) {
 735                        buff->is_vlan = 1;
 736                        buff->vlan_rx_tag = le16_to_cpu(rxd_wb->vlan);
 737                }
 738
 739                if ((rx_stat & BIT(0)) || rxd_wb->type & 0x1000U) {
 740                        /* MAC error or DMA error */
 741                        buff->is_error = 1U;
 742                }
 743                if (self->aq_nic_cfg->is_rss) {
 744                        /* last 4 byte */
 745                        u16 rss_type = rxd_wb->type & 0xFU;
 746
 747                        if (rss_type && rss_type < 0x8U) {
 748                                buff->is_hash_l4 = (rss_type == 0x4 ||
 749                                rss_type == 0x5);
 750                                buff->rss_hash = rxd_wb->rss_hash;
 751                        }
 752                }
 753
 754                if (HW_ATL_B0_RXD_WB_STAT2_EOP & rxd_wb->status) {
 755                        buff->len = rxd_wb->pkt_len %
 756                                AQ_CFG_RX_FRAME_MAX;
 757                        buff->len = buff->len ?
 758                                buff->len : AQ_CFG_RX_FRAME_MAX;
 759                        buff->next = 0U;
 760                        buff->is_eop = 1U;
 761                } else {
 762                        buff->len =
 763                                rxd_wb->pkt_len > AQ_CFG_RX_FRAME_MAX ?
 764                                AQ_CFG_RX_FRAME_MAX : rxd_wb->pkt_len;
 765
 766                        if (HW_ATL_B0_RXD_WB_STAT2_RSCCNT &
 767                                rxd_wb->status) {
 768                                /* LRO */
 769                                buff->next = rxd_wb->next_desc_ptr;
 770                                ++ring->stats.rx.lro_packets;
 771                        } else {
 772                                /* jumbo */
 773                                buff->next =
 774                                        aq_ring_next_dx(ring,
 775                                                        ring->hw_head);
 776                                ++ring->stats.rx.jumbo_packets;
 777                        }
 778                }
 779        }
 780
 781        return aq_hw_err_from_flags(self);
 782}
 783
 784static int hw_atl_b0_hw_irq_enable(struct aq_hw_s *self, u64 mask)
 785{
 786        hw_atl_itr_irq_msk_setlsw_set(self, LODWORD(mask));
 787        return aq_hw_err_from_flags(self);
 788}
 789
 790static int hw_atl_b0_hw_irq_disable(struct aq_hw_s *self, u64 mask)
 791{
 792        hw_atl_itr_irq_msk_clearlsw_set(self, LODWORD(mask));
 793        hw_atl_itr_irq_status_clearlsw_set(self, LODWORD(mask));
 794
 795        atomic_inc(&self->dpc);
 796        return aq_hw_err_from_flags(self);
 797}
 798
 799static int hw_atl_b0_hw_irq_read(struct aq_hw_s *self, u64 *mask)
 800{
 801        *mask = hw_atl_itr_irq_statuslsw_get(self);
 802        return aq_hw_err_from_flags(self);
 803}
 804
 805#define IS_FILTER_ENABLED(_F_) ((packet_filter & (_F_)) ? 1U : 0U)
 806
 807static int hw_atl_b0_hw_packet_filter_set(struct aq_hw_s *self,
 808                                          unsigned int packet_filter)
 809{
 810        unsigned int i = 0U;
 811        struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
 812
 813        hw_atl_rpfl2promiscuous_mode_en_set(self,
 814                                            IS_FILTER_ENABLED(IFF_PROMISC));
 815
 816        hw_atl_rpf_vlan_prom_mode_en_set(self,
 817                                     IS_FILTER_ENABLED(IFF_PROMISC) ||
 818                                     cfg->is_vlan_force_promisc);
 819
 820        hw_atl_rpfl2multicast_flr_en_set(self,
 821                                         IS_FILTER_ENABLED(IFF_ALLMULTI) &&
 822                                         IS_FILTER_ENABLED(IFF_MULTICAST), 0);
 823
 824        hw_atl_rpfl2_accept_all_mc_packets_set(self,
 825                                              IS_FILTER_ENABLED(IFF_ALLMULTI) &&
 826                                              IS_FILTER_ENABLED(IFF_MULTICAST));
 827
 828        hw_atl_rpfl2broadcast_en_set(self, IS_FILTER_ENABLED(IFF_BROADCAST));
 829
 830
 831        for (i = HW_ATL_B0_MAC_MIN; i < HW_ATL_B0_MAC_MAX; ++i)
 832                hw_atl_rpfl2_uc_flr_en_set(self,
 833                                           (cfg->is_mc_list_enabled &&
 834                                            (i <= cfg->mc_list_count)) ?
 835                                           1U : 0U, i);
 836
 837        return aq_hw_err_from_flags(self);
 838}
 839
 840#undef IS_FILTER_ENABLED
 841
 842static int hw_atl_b0_hw_multicast_list_set(struct aq_hw_s *self,
 843                                           u8 ar_mac
 844                                           [AQ_HW_MULTICAST_ADDRESS_MAX]
 845                                           [ETH_ALEN],
 846                                           u32 count)
 847{
 848        int err = 0;
 849
 850        if (count > (HW_ATL_B0_MAC_MAX - HW_ATL_B0_MAC_MIN)) {
 851                err = -EBADRQC;
 852                goto err_exit;
 853        }
 854        for (self->aq_nic_cfg->mc_list_count = 0U;
 855                        self->aq_nic_cfg->mc_list_count < count;
 856                        ++self->aq_nic_cfg->mc_list_count) {
 857                u32 i = self->aq_nic_cfg->mc_list_count;
 858                u32 h = (ar_mac[i][0] << 8) | (ar_mac[i][1]);
 859                u32 l = (ar_mac[i][2] << 24) | (ar_mac[i][3] << 16) |
 860                                        (ar_mac[i][4] << 8) | ar_mac[i][5];
 861
 862                hw_atl_rpfl2_uc_flr_en_set(self, 0U, HW_ATL_B0_MAC_MIN + i);
 863
 864                hw_atl_rpfl2unicast_dest_addresslsw_set(self,
 865                                                        l, HW_ATL_B0_MAC_MIN + i);
 866
 867                hw_atl_rpfl2unicast_dest_addressmsw_set(self,
 868                                                        h, HW_ATL_B0_MAC_MIN + i);
 869
 870                hw_atl_rpfl2_uc_flr_en_set(self,
 871                                           (self->aq_nic_cfg->is_mc_list_enabled),
 872                                           HW_ATL_B0_MAC_MIN + i);
 873        }
 874
 875        err = aq_hw_err_from_flags(self);
 876
 877err_exit:
 878        return err;
 879}
 880
 881static int hw_atl_b0_hw_interrupt_moderation_set(struct aq_hw_s *self)
 882{
 883        unsigned int i = 0U;
 884        u32 itr_tx = 2U;
 885        u32 itr_rx = 2U;
 886
 887        switch (self->aq_nic_cfg->itr) {
 888        case  AQ_CFG_INTERRUPT_MODERATION_ON:
 889        case  AQ_CFG_INTERRUPT_MODERATION_AUTO:
 890                hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 0U);
 891                hw_atl_tdm_tdm_intr_moder_en_set(self, 1U);
 892                hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 0U);
 893                hw_atl_rdm_rdm_intr_moder_en_set(self, 1U);
 894
 895                if (self->aq_nic_cfg->itr == AQ_CFG_INTERRUPT_MODERATION_ON) {
 896                        /* HW timers are in 2us units */
 897                        int tx_max_timer = self->aq_nic_cfg->tx_itr / 2;
 898                        int tx_min_timer = tx_max_timer / 2;
 899
 900                        int rx_max_timer = self->aq_nic_cfg->rx_itr / 2;
 901                        int rx_min_timer = rx_max_timer / 2;
 902
 903                        tx_max_timer = min(HW_ATL_INTR_MODER_MAX, tx_max_timer);
 904                        tx_min_timer = min(HW_ATL_INTR_MODER_MIN, tx_min_timer);
 905                        rx_max_timer = min(HW_ATL_INTR_MODER_MAX, rx_max_timer);
 906                        rx_min_timer = min(HW_ATL_INTR_MODER_MIN, rx_min_timer);
 907
 908                        itr_tx |= tx_min_timer << 0x8U;
 909                        itr_tx |= tx_max_timer << 0x10U;
 910                        itr_rx |= rx_min_timer << 0x8U;
 911                        itr_rx |= rx_max_timer << 0x10U;
 912                } else {
 913                        static unsigned int hw_atl_b0_timers_table_tx_[][2] = {
 914                                {0xfU, 0xffU}, /* 10Gbit */
 915                                {0xfU, 0x1ffU}, /* 5Gbit */
 916                                {0xfU, 0x1ffU}, /* 5Gbit 5GS */
 917                                {0xfU, 0x1ffU}, /* 2.5Gbit */
 918                                {0xfU, 0x1ffU}, /* 1Gbit */
 919                                {0xfU, 0x1ffU}, /* 100Mbit */
 920                        };
 921
 922                        static unsigned int hw_atl_b0_timers_table_rx_[][2] = {
 923                                {0x6U, 0x38U},/* 10Gbit */
 924                                {0xCU, 0x70U},/* 5Gbit */
 925                                {0xCU, 0x70U},/* 5Gbit 5GS */
 926                                {0x18U, 0xE0U},/* 2.5Gbit */
 927                                {0x30U, 0x80U},/* 1Gbit */
 928                                {0x4U, 0x50U},/* 100Mbit */
 929                        };
 930
 931                        unsigned int speed_index =
 932                                        hw_atl_utils_mbps_2_speed_index(
 933                                                self->aq_link_status.mbps);
 934
 935                        /* Update user visible ITR settings */
 936                        self->aq_nic_cfg->tx_itr = hw_atl_b0_timers_table_tx_
 937                                                        [speed_index][1] * 2;
 938                        self->aq_nic_cfg->rx_itr = hw_atl_b0_timers_table_rx_
 939                                                        [speed_index][1] * 2;
 940
 941                        itr_tx |= hw_atl_b0_timers_table_tx_
 942                                                [speed_index][0] << 0x8U;
 943                        itr_tx |= hw_atl_b0_timers_table_tx_
 944                                                [speed_index][1] << 0x10U;
 945
 946                        itr_rx |= hw_atl_b0_timers_table_rx_
 947                                                [speed_index][0] << 0x8U;
 948                        itr_rx |= hw_atl_b0_timers_table_rx_
 949                                                [speed_index][1] << 0x10U;
 950                }
 951                break;
 952        case AQ_CFG_INTERRUPT_MODERATION_OFF:
 953                hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 1U);
 954                hw_atl_tdm_tdm_intr_moder_en_set(self, 0U);
 955                hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 1U);
 956                hw_atl_rdm_rdm_intr_moder_en_set(self, 0U);
 957                itr_tx = 0U;
 958                itr_rx = 0U;
 959                break;
 960        }
 961
 962        for (i = HW_ATL_B0_RINGS_MAX; i--;) {
 963                hw_atl_reg_tx_intr_moder_ctrl_set(self, itr_tx, i);
 964                hw_atl_reg_rx_intr_moder_ctrl_set(self, itr_rx, i);
 965        }
 966
 967        return aq_hw_err_from_flags(self);
 968}
 969
 970static int hw_atl_b0_hw_stop(struct aq_hw_s *self)
 971{
 972        int err;
 973        u32 val;
 974
 975        hw_atl_b0_hw_irq_disable(self, HW_ATL_B0_INT_MASK);
 976
 977        /* Invalidate Descriptor Cache to prevent writing to the cached
 978         * descriptors and to the data pointer of those descriptors
 979         */
 980        hw_atl_rdm_rx_dma_desc_cache_init_tgl(self);
 981
 982        err = aq_hw_err_from_flags(self);
 983
 984        if (err)
 985                goto err_exit;
 986
 987        readx_poll_timeout_atomic(hw_atl_rdm_rx_dma_desc_cache_init_done_get,
 988                                  self, val, val == 1, 1000U, 10000U);
 989
 990err_exit:
 991        return err;
 992}
 993
 994static int hw_atl_b0_hw_ring_tx_stop(struct aq_hw_s *self,
 995                                     struct aq_ring_s *ring)
 996{
 997        hw_atl_tdm_tx_desc_en_set(self, 0U, ring->idx);
 998        return aq_hw_err_from_flags(self);
 999}
1000
1001static int hw_atl_b0_hw_ring_rx_stop(struct aq_hw_s *self,
1002                                     struct aq_ring_s *ring)
1003{
1004        hw_atl_rdm_rx_desc_en_set(self, 0U, ring->idx);
1005        return aq_hw_err_from_flags(self);
1006}
1007
1008static int hw_atl_b0_hw_fl3l4_clear(struct aq_hw_s *self,
1009                                    struct aq_rx_filter_l3l4 *data)
1010{
1011        u8 location = data->location;
1012
1013        if (!data->is_ipv6) {
1014                hw_atl_rpfl3l4_cmd_clear(self, location);
1015                hw_atl_rpf_l4_spd_set(self, 0U, location);
1016                hw_atl_rpf_l4_dpd_set(self, 0U, location);
1017                hw_atl_rpfl3l4_ipv4_src_addr_clear(self, location);
1018                hw_atl_rpfl3l4_ipv4_dest_addr_clear(self, location);
1019        } else {
1020                int i;
1021
1022                for (i = 0; i < HW_ATL_RX_CNT_REG_ADDR_IPV6; ++i) {
1023                        hw_atl_rpfl3l4_cmd_clear(self, location + i);
1024                        hw_atl_rpf_l4_spd_set(self, 0U, location + i);
1025                        hw_atl_rpf_l4_dpd_set(self, 0U, location + i);
1026                }
1027                hw_atl_rpfl3l4_ipv6_src_addr_clear(self, location);
1028                hw_atl_rpfl3l4_ipv6_dest_addr_clear(self, location);
1029        }
1030
1031        return aq_hw_err_from_flags(self);
1032}
1033
1034static int hw_atl_b0_hw_fl3l4_set(struct aq_hw_s *self,
1035                                  struct aq_rx_filter_l3l4 *data)
1036{
1037        u8 location = data->location;
1038
1039        hw_atl_b0_hw_fl3l4_clear(self, data);
1040
1041        if (data->cmd) {
1042                if (!data->is_ipv6) {
1043                        hw_atl_rpfl3l4_ipv4_dest_addr_set(self,
1044                                                          location,
1045                                                          data->ip_dst[0]);
1046                        hw_atl_rpfl3l4_ipv4_src_addr_set(self,
1047                                                         location,
1048                                                         data->ip_src[0]);
1049                } else {
1050                        hw_atl_rpfl3l4_ipv6_dest_addr_set(self,
1051                                                          location,
1052                                                          data->ip_dst);
1053                        hw_atl_rpfl3l4_ipv6_src_addr_set(self,
1054                                                         location,
1055                                                         data->ip_src);
1056                }
1057        }
1058        hw_atl_rpf_l4_dpd_set(self, data->p_dst, location);
1059        hw_atl_rpf_l4_spd_set(self, data->p_src, location);
1060        hw_atl_rpfl3l4_cmd_set(self, location, data->cmd);
1061
1062        return aq_hw_err_from_flags(self);
1063}
1064
1065static int hw_atl_b0_hw_fl2_set(struct aq_hw_s *self,
1066                                struct aq_rx_filter_l2 *data)
1067{
1068        hw_atl_rpf_etht_flr_en_set(self, 1U, data->location);
1069        hw_atl_rpf_etht_flr_set(self, data->ethertype, data->location);
1070        hw_atl_rpf_etht_user_priority_en_set(self,
1071                                             !!data->user_priority_en,
1072                                             data->location);
1073        if (data->user_priority_en)
1074                hw_atl_rpf_etht_user_priority_set(self,
1075                                                  data->user_priority,
1076                                                  data->location);
1077
1078        if (data->queue < 0) {
1079                hw_atl_rpf_etht_flr_act_set(self, 0U, data->location);
1080                hw_atl_rpf_etht_rx_queue_en_set(self, 0U, data->location);
1081        } else {
1082                hw_atl_rpf_etht_flr_act_set(self, 1U, data->location);
1083                hw_atl_rpf_etht_rx_queue_en_set(self, 1U, data->location);
1084                hw_atl_rpf_etht_rx_queue_set(self, data->queue, data->location);
1085        }
1086
1087        return aq_hw_err_from_flags(self);
1088}
1089
1090static int hw_atl_b0_hw_fl2_clear(struct aq_hw_s *self,
1091                                  struct aq_rx_filter_l2 *data)
1092{
1093        hw_atl_rpf_etht_flr_en_set(self, 0U, data->location);
1094        hw_atl_rpf_etht_flr_set(self, 0U, data->location);
1095        hw_atl_rpf_etht_user_priority_en_set(self, 0U, data->location);
1096
1097        return aq_hw_err_from_flags(self);
1098}
1099
1100/**
1101 * @brief Set VLAN filter table
1102 * @details Configure VLAN filter table to accept (and assign the queue) traffic
1103 *  for the particular vlan ids.
1104 * Note: use this function under vlan promisc mode not to lost the traffic
1105 *
1106 * @param aq_hw_s
1107 * @param aq_rx_filter_vlan VLAN filter configuration
1108 * @return 0 - OK, <0 - error
1109 */
1110static int hw_atl_b0_hw_vlan_set(struct aq_hw_s *self,
1111                                 struct aq_rx_filter_vlan *aq_vlans)
1112{
1113        int i;
1114
1115        for (i = 0; i < AQ_VLAN_MAX_FILTERS; i++) {
1116                hw_atl_rpf_vlan_flr_en_set(self, 0U, i);
1117                hw_atl_rpf_vlan_rxq_en_flr_set(self, 0U, i);
1118                if (aq_vlans[i].enable) {
1119                        hw_atl_rpf_vlan_id_flr_set(self,
1120                                                   aq_vlans[i].vlan_id,
1121                                                   i);
1122                        hw_atl_rpf_vlan_flr_act_set(self, 1U, i);
1123                        hw_atl_rpf_vlan_flr_en_set(self, 1U, i);
1124                        if (aq_vlans[i].queue != 0xFF) {
1125                                hw_atl_rpf_vlan_rxq_flr_set(self,
1126                                                            aq_vlans[i].queue,
1127                                                            i);
1128                                hw_atl_rpf_vlan_rxq_en_flr_set(self, 1U, i);
1129                        }
1130                }
1131        }
1132
1133        return aq_hw_err_from_flags(self);
1134}
1135
1136static int hw_atl_b0_hw_vlan_ctrl(struct aq_hw_s *self, bool enable)
1137{
1138        /* set promisc in case of disabing the vland filter */
1139        hw_atl_rpf_vlan_prom_mode_en_set(self, !enable);
1140
1141        return aq_hw_err_from_flags(self);
1142}
1143
1144const struct aq_hw_ops hw_atl_ops_b0 = {
1145        .hw_set_mac_address   = hw_atl_b0_hw_mac_addr_set,
1146        .hw_init              = hw_atl_b0_hw_init,
1147        .hw_reset             = hw_atl_b0_hw_reset,
1148        .hw_start             = hw_atl_b0_hw_start,
1149        .hw_ring_tx_start     = hw_atl_b0_hw_ring_tx_start,
1150        .hw_ring_tx_stop      = hw_atl_b0_hw_ring_tx_stop,
1151        .hw_ring_rx_start     = hw_atl_b0_hw_ring_rx_start,
1152        .hw_ring_rx_stop      = hw_atl_b0_hw_ring_rx_stop,
1153        .hw_stop              = hw_atl_b0_hw_stop,
1154
1155        .hw_ring_tx_xmit         = hw_atl_b0_hw_ring_tx_xmit,
1156        .hw_ring_tx_head_update  = hw_atl_b0_hw_ring_tx_head_update,
1157
1158        .hw_ring_rx_receive      = hw_atl_b0_hw_ring_rx_receive,
1159        .hw_ring_rx_fill         = hw_atl_b0_hw_ring_rx_fill,
1160
1161        .hw_irq_enable           = hw_atl_b0_hw_irq_enable,
1162        .hw_irq_disable          = hw_atl_b0_hw_irq_disable,
1163        .hw_irq_read             = hw_atl_b0_hw_irq_read,
1164
1165        .hw_ring_rx_init             = hw_atl_b0_hw_ring_rx_init,
1166        .hw_ring_tx_init             = hw_atl_b0_hw_ring_tx_init,
1167        .hw_packet_filter_set        = hw_atl_b0_hw_packet_filter_set,
1168        .hw_filter_l2_set            = hw_atl_b0_hw_fl2_set,
1169        .hw_filter_l2_clear          = hw_atl_b0_hw_fl2_clear,
1170        .hw_filter_l3l4_set          = hw_atl_b0_hw_fl3l4_set,
1171        .hw_filter_vlan_set          = hw_atl_b0_hw_vlan_set,
1172        .hw_filter_vlan_ctrl         = hw_atl_b0_hw_vlan_ctrl,
1173        .hw_multicast_list_set       = hw_atl_b0_hw_multicast_list_set,
1174        .hw_interrupt_moderation_set = hw_atl_b0_hw_interrupt_moderation_set,
1175        .hw_rss_set                  = hw_atl_b0_hw_rss_set,
1176        .hw_rss_hash_set             = hw_atl_b0_hw_rss_hash_set,
1177        .hw_get_regs                 = hw_atl_utils_hw_get_regs,
1178        .hw_get_hw_stats             = hw_atl_utils_get_hw_stats,
1179        .hw_get_fw_version           = hw_atl_utils_get_fw_version,
1180        .hw_set_offload              = hw_atl_b0_hw_offload_set,
1181        .hw_set_fc                   = hw_atl_b0_set_fc,
1182};
1183