diff options
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c')
| -rw-r--r-- | drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c | 227 |
1 files changed, 188 insertions, 39 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c index 76d25d594a0f..b58ca7cb8e9d 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c @@ -21,7 +21,7 @@ #define DEFAULT_B0_BOARD_BASIC_CAPABILITIES \ .is_64_dma = true, \ - .msix_irqs = 4U, \ + .msix_irqs = 8U, \ .irq_mask = ~0U, \ .vecs = HW_ATL_B0_RSS_MAX, \ .tcs = HW_ATL_B0_TC_MAX, \ @@ -41,7 +41,9 @@ NETIF_F_RXHASH | \ NETIF_F_SG | \ NETIF_F_TSO | \ - NETIF_F_LRO, \ + NETIF_F_LRO | \ + NETIF_F_NTUPLE | \ + NETIF_F_HW_VLAN_CTAG_FILTER, \ .hw_priv_flags = IFF_UNICAST_FLT, \ .flow_control = true, \ .mtu = HW_ATL_B0_MTU_JUMBO, \ @@ -100,12 +102,17 @@ static int hw_atl_b0_hw_reset(struct aq_hw_s *self) return err; } +static int hw_atl_b0_set_fc(struct aq_hw_s *self, u32 fc, u32 tc) +{ + hw_atl_rpb_rx_xoff_en_per_tc_set(self, !!(fc & AQ_NIC_FC_RX), tc); + return 0; +} + static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self) { u32 tc = 0U; u32 buff_size = 0U; unsigned int i_priority = 0U; - bool is_rx_flow_control = false; /* TPS Descriptor rate init */ hw_atl_tps_tx_pkt_shed_desc_rate_curr_time_res_set(self, 0x0U); @@ -138,7 +145,6 @@ static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self) /* QoS Rx buf size per TC */ tc = 0; - is_rx_flow_control = (AQ_NIC_FC_RX & self->aq_nic_cfg->flow_control); buff_size = HW_ATL_B0_RXBUF_MAX; hw_atl_rpb_rx_pkt_buff_size_per_tc_set(self, buff_size, tc); @@ -150,7 +156,8 @@ static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self) (buff_size * (1024U / 32U) * 50U) / 100U, tc); - hw_atl_rpb_rx_xoff_en_per_tc_set(self, is_rx_flow_control ? 1U : 0U, tc); + + hw_atl_b0_set_fc(self, self->aq_nic_cfg->flow_control, tc); /* QoS 802.1p priority -> TC mapping */ for (i_priority = 8U; i_priority--;) @@ -229,8 +236,10 @@ static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self, hw_atl_tpo_tcp_udp_crc_offload_en_set(self, 1); /* RX checksums offloads*/ - hw_atl_rpo_ipv4header_crc_offload_en_set(self, 1); - hw_atl_rpo_tcp_udp_crc_offload_en_set(self, 1); + hw_atl_rpo_ipv4header_crc_offload_en_set(self, !!(aq_nic_cfg->features & + NETIF_F_RXCSUM)); + hw_atl_rpo_tcp_udp_crc_offload_en_set(self, !!(aq_nic_cfg->features & + NETIF_F_RXCSUM)); /* LSO offloads*/ hw_atl_tdm_large_send_offload_en_set(self, 0xFFFFFFFFU); @@ -312,20 +321,11 @@ static int hw_atl_b0_hw_init_rx_path(struct aq_hw_s *self) hw_atl_rpf_vlan_outer_etht_set(self, 0x88A8U); hw_atl_rpf_vlan_inner_etht_set(self, 0x8100U); - if (cfg->vlan_id) { - hw_atl_rpf_vlan_flr_act_set(self, 1U, 0U); - hw_atl_rpf_vlan_id_flr_set(self, 0U, 0U); - hw_atl_rpf_vlan_flr_en_set(self, 0U, 0U); - - hw_atl_rpf_vlan_accept_untagged_packets_set(self, 1U); - hw_atl_rpf_vlan_untagged_act_set(self, 1U); + hw_atl_rpf_vlan_prom_mode_en_set(self, 1); - hw_atl_rpf_vlan_flr_act_set(self, 1U, 1U); - hw_atl_rpf_vlan_id_flr_set(self, cfg->vlan_id, 0U); - hw_atl_rpf_vlan_flr_en_set(self, 1U, 1U); - } else { - hw_atl_rpf_vlan_prom_mode_en_set(self, 1); - } + // Always accept untagged packets + hw_atl_rpf_vlan_accept_untagged_packets_set(self, 1U); + hw_atl_rpf_vlan_untagged_act_set(self, 1U); /* Rx Interrupts */ hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 1U); @@ -655,9 +655,9 @@ static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self, struct hw_atl_rxd_wb_s *rxd_wb = (struct hw_atl_rxd_wb_s *) &ring->dx_ring[ring->hw_head * HW_ATL_B0_RXD_SIZE]; - unsigned int is_err = 1U; unsigned int is_rx_check_sum_enabled = 0U; unsigned int pkt_type = 0U; + u8 rx_stat = 0U; if (!(rxd_wb->status & 0x1U)) { /* RxD is not done */ break; @@ -665,35 +665,35 @@ static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self, buff = &ring->buff_ring[ring->hw_head]; - is_err = (0x0000003CU & rxd_wb->status); + rx_stat = (0x0000003CU & rxd_wb->status) >> 2; - is_rx_check_sum_enabled = (rxd_wb->type) & (0x3U << 19); - is_err &= ~0x20U; /* exclude validity bit */ + is_rx_check_sum_enabled = (rxd_wb->type >> 19) & 0x3U; pkt_type = 0xFFU & (rxd_wb->type >> 4); - if (is_rx_check_sum_enabled) { - if (0x0U == (pkt_type & 0x3U)) - buff->is_ip_cso = (is_err & 0x08U) ? 0U : 1U; + if (is_rx_check_sum_enabled & BIT(0) && + (0x0U == (pkt_type & 0x3U))) + buff->is_ip_cso = (rx_stat & BIT(1)) ? 0U : 1U; + if (is_rx_check_sum_enabled & BIT(1)) { if (0x4U == (pkt_type & 0x1CU)) - buff->is_udp_cso = buff->is_cso_err ? 0U : 1U; + buff->is_udp_cso = (rx_stat & BIT(2)) ? 0U : + !!(rx_stat & BIT(3)); else if (0x0U == (pkt_type & 0x1CU)) - buff->is_tcp_cso = buff->is_cso_err ? 0U : 1U; - - /* Checksum offload workaround for small packets */ - if (rxd_wb->pkt_len <= 60) { - buff->is_ip_cso = 0U; - buff->is_cso_err = 0U; - } + buff->is_tcp_cso = (rx_stat & BIT(2)) ? 0U : + !!(rx_stat & BIT(3)); + } + buff->is_cso_err = !!(rx_stat & 0x6); + /* Checksum offload workaround for small packets */ + if (unlikely(rxd_wb->pkt_len <= 60)) { + buff->is_ip_cso = 0U; + buff->is_cso_err = 0U; } - - is_err &= ~0x18U; dma_unmap_page(ndev, buff->pa, buff->len, DMA_FROM_DEVICE); - if (is_err || rxd_wb->type & 0x1000U) { - /* status error or DMA error */ + if ((rx_stat & BIT(0)) || rxd_wb->type & 0x1000U) { + /* MAC error or DMA error */ buff->is_error = 1U; } else { if (self->aq_nic_cfg->is_rss) { @@ -915,6 +915,12 @@ static int hw_atl_b0_hw_interrupt_moderation_set(struct aq_hw_s *self) static int hw_atl_b0_hw_stop(struct aq_hw_s *self) { hw_atl_b0_hw_irq_disable(self, HW_ATL_B0_INT_MASK); + + /* Invalidate Descriptor Cache to prevent writing to the cached + * descriptors and to the data pointer of those descriptors + */ + hw_atl_rdm_rx_dma_desc_cache_init_set(self, 1); + return aq_hw_err_from_flags(self); } @@ -932,6 +938,142 @@ static int hw_atl_b0_hw_ring_rx_stop(struct aq_hw_s *self, return aq_hw_err_from_flags(self); } +static int hw_atl_b0_hw_fl3l4_clear(struct aq_hw_s *self, + struct aq_rx_filter_l3l4 *data) +{ + u8 location = data->location; + + if (!data->is_ipv6) { + hw_atl_rpfl3l4_cmd_clear(self, location); + hw_atl_rpf_l4_spd_set(self, 0U, location); + hw_atl_rpf_l4_dpd_set(self, 0U, location); + hw_atl_rpfl3l4_ipv4_src_addr_clear(self, location); + hw_atl_rpfl3l4_ipv4_dest_addr_clear(self, location); + } else { + int i; + + for (i = 0; i < HW_ATL_RX_CNT_REG_ADDR_IPV6; ++i) { + hw_atl_rpfl3l4_cmd_clear(self, location + i); + hw_atl_rpf_l4_spd_set(self, 0U, location + i); + hw_atl_rpf_l4_dpd_set(self, 0U, location + i); + } + hw_atl_rpfl3l4_ipv6_src_addr_clear(self, location); + hw_atl_rpfl3l4_ipv6_dest_addr_clear(self, location); + } + + return aq_hw_err_from_flags(self); +} + +static int hw_atl_b0_hw_fl3l4_set(struct aq_hw_s *self, + struct aq_rx_filter_l3l4 *data) +{ + u8 location = data->location; + + hw_atl_b0_hw_fl3l4_clear(self, data); + + if (data->cmd) { + if (!data->is_ipv6) { + hw_atl_rpfl3l4_ipv4_dest_addr_set(self, + location, + data->ip_dst[0]); + hw_atl_rpfl3l4_ipv4_src_addr_set(self, + location, + data->ip_src[0]); + } else { + hw_atl_rpfl3l4_ipv6_dest_addr_set(self, + location, + data->ip_dst); + hw_atl_rpfl3l4_ipv6_src_addr_set(self, + location, + data->ip_src); + } + } + hw_atl_rpf_l4_dpd_set(self, data->p_dst, location); + hw_atl_rpf_l4_spd_set(self, data->p_src, location); + hw_atl_rpfl3l4_cmd_set(self, location, data->cmd); + + return aq_hw_err_from_flags(self); +} + +static int hw_atl_b0_hw_fl2_set(struct aq_hw_s *self, + struct aq_rx_filter_l2 *data) +{ + hw_atl_rpf_etht_flr_en_set(self, 1U, data->location); + hw_atl_rpf_etht_flr_set(self, data->ethertype, data->location); + hw_atl_rpf_etht_user_priority_en_set(self, + !!data->user_priority_en, + data->location); + if (data->user_priority_en) + hw_atl_rpf_etht_user_priority_set(self, + data->user_priority, + data->location); + + if (data->queue < 0) { + hw_atl_rpf_etht_flr_act_set(self, 0U, data->location); + hw_atl_rpf_etht_rx_queue_en_set(self, 0U, data->location); + } else { + hw_atl_rpf_etht_flr_act_set(self, 1U, data->location); + hw_atl_rpf_etht_rx_queue_en_set(self, 1U, data->location); + hw_atl_rpf_etht_rx_queue_set(self, data->queue, data->location); + } + + return aq_hw_err_from_flags(self); +} + +static int hw_atl_b0_hw_fl2_clear(struct aq_hw_s *self, + struct aq_rx_filter_l2 *data) +{ + hw_atl_rpf_etht_flr_en_set(self, 0U, data->location); + hw_atl_rpf_etht_flr_set(self, 0U, data->location); + hw_atl_rpf_etht_user_priority_en_set(self, 0U, data->location); + + return aq_hw_err_from_flags(self); +} + +/** + * @brief Set VLAN filter table + * @details Configure VLAN filter table to accept (and assign the queue) traffic + * for the particular vlan ids. + * Note: use this function under vlan promisc mode not to lost the traffic + * + * @param aq_hw_s + * @param aq_rx_filter_vlan VLAN filter configuration + * @return 0 - OK, <0 - error + */ +static int hw_atl_b0_hw_vlan_set(struct aq_hw_s *self, + struct aq_rx_filter_vlan *aq_vlans) +{ + int i; + + for (i = 0; i < AQ_VLAN_MAX_FILTERS; i++) { + hw_atl_rpf_vlan_flr_en_set(self, 0U, i); + hw_atl_rpf_vlan_rxq_en_flr_set(self, 0U, i); + if (aq_vlans[i].enable) { + hw_atl_rpf_vlan_id_flr_set(self, + aq_vlans[i].vlan_id, + i); + hw_atl_rpf_vlan_flr_act_set(self, 1U, i); + hw_atl_rpf_vlan_flr_en_set(self, 1U, i); + if (aq_vlans[i].queue != 0xFF) { + hw_atl_rpf_vlan_rxq_flr_set(self, + aq_vlans[i].queue, + i); + hw_atl_rpf_vlan_rxq_en_flr_set(self, 1U, i); + } + } + } + + return aq_hw_err_from_flags(self); +} + +static int hw_atl_b0_hw_vlan_ctrl(struct aq_hw_s *self, bool enable) +{ + /* set promisc in case of disabing the vland filter */ + hw_atl_rpf_vlan_prom_mode_en_set(self, !!!enable); + + return aq_hw_err_from_flags(self); +} + const struct aq_hw_ops hw_atl_ops_b0 = { .hw_set_mac_address = hw_atl_b0_hw_mac_addr_set, .hw_init = hw_atl_b0_hw_init, @@ -956,6 +1098,11 @@ const struct aq_hw_ops hw_atl_ops_b0 = { .hw_ring_rx_init = hw_atl_b0_hw_ring_rx_init, .hw_ring_tx_init = hw_atl_b0_hw_ring_tx_init, .hw_packet_filter_set = hw_atl_b0_hw_packet_filter_set, + .hw_filter_l2_set = hw_atl_b0_hw_fl2_set, + .hw_filter_l2_clear = hw_atl_b0_hw_fl2_clear, + .hw_filter_l3l4_set = hw_atl_b0_hw_fl3l4_set, + .hw_filter_vlan_set = hw_atl_b0_hw_vlan_set, + .hw_filter_vlan_ctrl = hw_atl_b0_hw_vlan_ctrl, .hw_multicast_list_set = hw_atl_b0_hw_multicast_list_set, .hw_interrupt_moderation_set = hw_atl_b0_hw_interrupt_moderation_set, .hw_rss_set = hw_atl_b0_hw_rss_set, @@ -963,4 +1110,6 @@ const struct aq_hw_ops hw_atl_ops_b0 = { .hw_get_regs = hw_atl_utils_hw_get_regs, .hw_get_hw_stats = hw_atl_utils_get_hw_stats, .hw_get_fw_version = hw_atl_utils_get_fw_version, + .hw_set_offload = hw_atl_b0_hw_offload_set, + .hw_set_fc = hw_atl_b0_set_fc, }; 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