static __checkReturn efx_rc_t siena_board_cfg( __in efx_nic_t *enp) { efx_nic_cfg_t *encp = &(enp->en_nic_cfg); uint8_t mac_addr[6]; efx_dword_t capabilities; uint32_t board_type; uint32_t nevq, nrxq, ntxq; efx_rc_t rc; /* External port identifier using one-based port numbering */ encp->enc_external_port = (uint8_t)enp->en_mcdi.em_emip.emi_port; /* Board configuration */ if ((rc = efx_mcdi_get_board_cfg(enp, &board_type, &capabilities, mac_addr)) != 0) goto fail1; EFX_MAC_ADDR_COPY(encp->enc_mac_addr, mac_addr); encp->enc_board_type = board_type; /* Additional capabilities */ encp->enc_clk_mult = 1; if (EFX_DWORD_FIELD(capabilities, MC_CMD_CAPABILITIES_TURBO)) { enp->en_features |= EFX_FEATURE_TURBO; if (EFX_DWORD_FIELD(capabilities, MC_CMD_CAPABILITIES_TURBO_ACTIVE)) { encp->enc_clk_mult = 2; } } encp->enc_evq_timer_quantum_ns = EFX_EVQ_SIENA_TIMER_QUANTUM_NS / encp->enc_clk_mult; encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns << FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000; /* When hash header insertion is enabled, Siena inserts 16 bytes */ encp->enc_rx_prefix_size = 16; /* Alignment for receive packet DMA buffers */ encp->enc_rx_buf_align_start = 1; encp->enc_rx_buf_align_end = 1; /* Alignment for WPTR updates */ encp->enc_rx_push_align = 1; /* Resource limits */ rc = efx_mcdi_get_resource_limits(enp, &nevq, &nrxq, &ntxq); if (rc != 0) { if (rc != ENOTSUP) goto fail2; nevq = 1024; nrxq = EFX_RXQ_LIMIT_TARGET; ntxq = EFX_TXQ_LIMIT_TARGET; } encp->enc_evq_limit = nevq; encp->enc_rxq_limit = MIN(EFX_RXQ_LIMIT_TARGET, nrxq); encp->enc_txq_limit = MIN(EFX_TXQ_LIMIT_TARGET, ntxq); encp->enc_buftbl_limit = SIENA_SRAM_ROWS - (encp->enc_txq_limit * EFX_TXQ_DC_NDESCS(EFX_TXQ_DC_SIZE)) - (encp->enc_rxq_limit * EFX_RXQ_DC_NDESCS(EFX_RXQ_DC_SIZE)); encp->enc_hw_tx_insert_vlan_enabled = B_FALSE; encp->enc_fw_assisted_tso_enabled = B_FALSE; encp->enc_fw_assisted_tso_v2_enabled = B_FALSE; encp->enc_allow_set_mac_with_installed_filters = B_TRUE; return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); }
static __checkReturn efx_rc_t siena_board_cfg( __in efx_nic_t *enp) { efx_nic_cfg_t *encp = &(enp->en_nic_cfg); uint8_t mac_addr[6]; efx_dword_t capabilities; uint32_t board_type; uint32_t nevq, nrxq, ntxq; efx_rc_t rc; /* External port identifier using one-based port numbering */ encp->enc_external_port = (uint8_t)enp->en_mcdi.em_emip.emi_port; /* Board configuration */ if ((rc = efx_mcdi_get_board_cfg(enp, &board_type, &capabilities, mac_addr)) != 0) goto fail1; EFX_MAC_ADDR_COPY(encp->enc_mac_addr, mac_addr); encp->enc_board_type = board_type; /* * There is no possibility to determine the number of PFs on Siena * by issuing MCDI request, and it is not an easy task to find the * value based on the board type, so 'enc_hw_pf_count' is set to 1 */ encp->enc_hw_pf_count = 1; /* Additional capabilities */ encp->enc_clk_mult = 1; if (EFX_DWORD_FIELD(capabilities, MC_CMD_CAPABILITIES_TURBO)) { enp->en_features |= EFX_FEATURE_TURBO; if (EFX_DWORD_FIELD(capabilities, MC_CMD_CAPABILITIES_TURBO_ACTIVE)) { encp->enc_clk_mult = 2; } } encp->enc_evq_timer_quantum_ns = EFX_EVQ_SIENA_TIMER_QUANTUM_NS / encp->enc_clk_mult; encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns << FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000; /* When hash header insertion is enabled, Siena inserts 16 bytes */ encp->enc_rx_prefix_size = 16; /* Alignment for receive packet DMA buffers */ encp->enc_rx_buf_align_start = 1; encp->enc_rx_buf_align_end = 1; /* Alignment for WPTR updates */ encp->enc_rx_push_align = 1; encp->enc_tx_dma_desc_size_max = EFX_MASK32(FSF_AZ_TX_KER_BYTE_COUNT); /* Fragments must not span 4k boundaries. */ encp->enc_tx_dma_desc_boundary = 4096; /* Resource limits */ rc = efx_mcdi_get_resource_limits(enp, &nevq, &nrxq, &ntxq); if (rc != 0) { if (rc != ENOTSUP) goto fail2; nevq = 1024; nrxq = EFX_RXQ_LIMIT_TARGET; ntxq = EFX_TXQ_LIMIT_TARGET; } encp->enc_evq_limit = nevq; encp->enc_rxq_limit = MIN(EFX_RXQ_LIMIT_TARGET, nrxq); encp->enc_txq_limit = MIN(EFX_TXQ_LIMIT_TARGET, ntxq); encp->enc_buftbl_limit = SIENA_SRAM_ROWS - (encp->enc_txq_limit * EFX_TXQ_DC_NDESCS(EFX_TXQ_DC_SIZE)) - (encp->enc_rxq_limit * EFX_RXQ_DC_NDESCS(EFX_RXQ_DC_SIZE)); encp->enc_hw_tx_insert_vlan_enabled = B_FALSE; encp->enc_fw_assisted_tso_enabled = B_FALSE; encp->enc_fw_assisted_tso_v2_enabled = B_FALSE; encp->enc_fw_assisted_tso_v2_n_contexts = 0; encp->enc_allow_set_mac_with_installed_filters = B_TRUE; /* Siena supports two 10G ports, and 8 lanes of PCIe Gen2 */ encp->enc_required_pcie_bandwidth_mbps = 2 * 10000; encp->enc_max_pcie_link_gen = EFX_PCIE_LINK_SPEED_GEN2; encp->enc_fw_verified_nvram_update_required = B_FALSE; return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); }