X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fmedford2_nic.c;h=c0d4c13b0b147b93984b65a76d74fb0ef68070b5;hb=ce77e6bf5113650e6d026e0b7fb395b60ab1f363;hp=8873211a55c9e8651d0c00739eb5a961f33773f7;hpb=8313ad6989888a7b7d64b2718adfefbff3802cf4;p=dpdk.git diff --git a/drivers/net/sfc/base/medford2_nic.c b/drivers/net/sfc/base/medford2_nic.c index 8873211a55..c0d4c13b0b 100644 --- a/drivers/net/sfc/base/medford2_nic.c +++ b/drivers/net/sfc/base/medford2_nic.c @@ -10,88 +10,20 @@ #if EFSYS_OPT_MEDFORD2 -static __checkReturn efx_rc_t -efx_mcdi_get_rxdp_config( - __in efx_nic_t *enp, - __out uint32_t *end_paddingp) -{ - efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_GET_RXDP_CONFIG_IN_LEN, - MC_CMD_GET_RXDP_CONFIG_OUT_LEN)]; - uint32_t end_padding; - efx_rc_t rc; - - memset(payload, 0, sizeof (payload)); - req.emr_cmd = MC_CMD_GET_RXDP_CONFIG; - req.emr_in_buf = payload; - req.emr_in_length = MC_CMD_GET_RXDP_CONFIG_IN_LEN; - req.emr_out_buf = payload; - req.emr_out_length = MC_CMD_GET_RXDP_CONFIG_OUT_LEN; - - efx_mcdi_execute(enp, &req); - if (req.emr_rc != 0) { - rc = req.emr_rc; - goto fail1; - } - - if (MCDI_OUT_DWORD_FIELD(req, GET_RXDP_CONFIG_OUT_DATA, - GET_RXDP_CONFIG_OUT_PAD_HOST_DMA) == 0) { - /* RX DMA end padding is disabled */ - end_padding = 0; - } else { - switch (MCDI_OUT_DWORD_FIELD(req, GET_RXDP_CONFIG_OUT_DATA, - GET_RXDP_CONFIG_OUT_PAD_HOST_LEN)) { - case MC_CMD_SET_RXDP_CONFIG_IN_PAD_HOST_64: - end_padding = 64; - break; - case MC_CMD_SET_RXDP_CONFIG_IN_PAD_HOST_128: - end_padding = 128; - break; - case MC_CMD_SET_RXDP_CONFIG_IN_PAD_HOST_256: - end_padding = 256; - break; - default: - rc = ENOTSUP; - goto fail2; - } - } - - *end_paddingp = end_padding; - - return (0); - -fail2: - EFSYS_PROBE(fail2); -fail1: - EFSYS_PROBE1(fail1, efx_rc_t, rc); - - return (rc); -} - static __checkReturn efx_rc_t medford2_nic_get_required_pcie_bandwidth( __in efx_nic_t *enp, __out uint32_t *bandwidth_mbpsp) { - uint32_t port_modes; - uint32_t current_mode; uint32_t bandwidth; efx_rc_t rc; /* FIXME: support new Medford2 dynamic port modes */ - if ((rc = efx_mcdi_get_port_modes(enp, &port_modes, - ¤t_mode)) != 0) { - /* No port mode info available. */ - bandwidth = 0; - goto out; - } - - if ((rc = ef10_nic_get_port_mode_bandwidth(current_mode, + if ((rc = ef10_nic_get_port_mode_bandwidth(enp, &bandwidth)) != 0) goto fail1; -out: *bandwidth_mbpsp = bandwidth; return (0); @@ -106,103 +38,12 @@ fail1: medford2_board_cfg( __in efx_nic_t *enp) { - efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); efx_nic_cfg_t *encp = &(enp->en_nic_cfg); - uint8_t mac_addr[6] = { 0 }; - uint32_t board_type = 0; - ef10_link_state_t els; - efx_port_t *epp = &(enp->en_port); - uint32_t port; - uint32_t pf; - uint32_t vf; - uint32_t mask; uint32_t sysclk, dpcpu_clk; - uint32_t base, nvec; uint32_t end_padding; uint32_t bandwidth; efx_rc_t rc; - /* - * FIXME: Likely to be incomplete and incorrect. - * Parts of this should be shared with Huntington. - */ - - if ((rc = efx_mcdi_get_port_assignment(enp, &port)) != 0) - goto fail1; - - /* - * NOTE: The MCDI protocol numbers ports from zero. - * The common code MCDI interface numbers ports from one. - */ - emip->emi_port = port + 1; - - if ((rc = ef10_external_port_mapping(enp, port, - &encp->enc_external_port)) != 0) - goto fail2; - - /* - * Get PCIe function number from firmware (used for - * per-function privilege and dynamic config info). - * - PCIe PF: pf = PF number, vf = 0xffff. - * - PCIe VF: pf = parent PF, vf = VF number. - */ - if ((rc = efx_mcdi_get_function_info(enp, &pf, &vf)) != 0) - goto fail3; - - encp->enc_pf = pf; - encp->enc_vf = vf; - - /* MAC address for this function */ - if (EFX_PCI_FUNCTION_IS_PF(encp)) { - rc = efx_mcdi_get_mac_address_pf(enp, mac_addr); -#if EFSYS_OPT_ALLOW_UNCONFIGURED_NIC - /* - * Disable static config checking for Medford NICs, ONLY - * for manufacturing test and setup at the factory, to - * allow the static config to be installed. - */ -#else /* EFSYS_OPT_ALLOW_UNCONFIGURED_NIC */ - if ((rc == 0) && (mac_addr[0] & 0x02)) { - /* - * If the static config does not include a global MAC - * address pool then the board may return a locally - * administered MAC address (this should only happen on - * incorrectly programmed boards). - */ - rc = EINVAL; - } -#endif /* EFSYS_OPT_ALLOW_UNCONFIGURED_NIC */ - } else { - rc = efx_mcdi_get_mac_address_vf(enp, mac_addr); - } - if (rc != 0) - goto fail4; - - EFX_MAC_ADDR_COPY(encp->enc_mac_addr, mac_addr); - - /* Board configuration */ - rc = efx_mcdi_get_board_cfg(enp, &board_type, NULL, NULL); - if (rc != 0) { - /* Unprivileged functions may not be able to read board cfg */ - if (rc == EACCES) - board_type = 0; - else - goto fail5; - } - - encp->enc_board_type = board_type; - encp->enc_clk_mult = 1; /* not used for Medford2 */ - - /* Fill out fields in enp->en_port and enp->en_nic_cfg from MCDI */ - if ((rc = efx_mcdi_get_phy_cfg(enp)) != 0) - goto fail6; - - /* Obtain the default PHY advertised capabilities */ - if ((rc = ef10_phy_get_link(enp, &els)) != 0) - goto fail7; - epp->ep_default_adv_cap_mask = els.els_adv_cap_mask; - epp->ep_adv_cap_mask = els.els_adv_cap_mask; - /* * Enable firmware workarounds for hardware errata. * Expected responses are: @@ -222,15 +63,12 @@ medford2_board_cfg( if (EFX_PCI_FUNCTION_IS_VF(encp)) { /* - * Interrupt testing does not work for VFs. See bug50084. - * FIXME: Does this still apply to Medford2? + * Interrupt testing does not work for VFs on Medford2. + * See bug50084 and bug71432 comment 21. */ encp->enc_bug41750_workaround = B_TRUE; } - /* Chained multicast is always enabled on Medford2 */ - encp->enc_bug26807_workaround = B_TRUE; - /* * If the bug61265 workaround is enabled, then interrupt holdoff timers * cannot be controlled by timer table writes, so MCDI must be used @@ -243,11 +81,14 @@ medford2_board_cfg( else if ((rc == ENOTSUP) || (rc == ENOENT)) encp->enc_bug61265_workaround = B_FALSE; else - goto fail8; + goto fail1; + + /* Checksums for TSO sends should always be correct on Medford2. */ + encp->enc_bug61297_workaround = B_FALSE; /* Get clock frequencies (in MHz). */ if ((rc = efx_mcdi_get_clock(enp, &sysclk, &dpcpu_clk)) != 0) - goto fail9; + goto fail2; /* * The Medford2 timer quantum is 1536 dpcpu_clk cycles, documented for @@ -257,9 +98,9 @@ medford2_board_cfg( encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns << FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000; - /* Check capabilities of running datapath firmware */ - if ((rc = ef10_get_datapath_caps(enp)) != 0) - goto fail10; + encp->enc_ev_desc_size = EF10_EVQ_DESC_SIZE; + encp->enc_rx_desc_size = EF10_RXQ_DESC_SIZE; + encp->enc_tx_desc_size = EF10_TXQ_DESC_SIZE; /* Alignment for receive packet DMA buffers */ encp->enc_rx_buf_align_start = 1; @@ -267,79 +108,32 @@ medford2_board_cfg( /* Get the RX DMA end padding alignment configuration */ if ((rc = efx_mcdi_get_rxdp_config(enp, &end_padding)) != 0) { if (rc != EACCES) - goto fail11; + goto fail3; /* Assume largest tail padding size supported by hardware */ end_padding = 256; } encp->enc_rx_buf_align_end = end_padding; - /* Alignment for WPTR updates */ - encp->enc_rx_push_align = EF10_RX_WPTR_ALIGN; - - /* - * Maximum number of exclusive RSS contexts which can be allocated. The - * hardware supports 64, but 6 are reserved for shared contexts. They - * are a global resource so not all may be available. - */ - encp->enc_rx_scale_max_exclusive_contexts = 58; + encp->enc_evq_max_nevs = EF10_EVQ_MAXNEVS; + encp->enc_evq_min_nevs = EF10_EVQ_MINNEVS; - encp->enc_tx_dma_desc_size_max = EFX_MASK32(ESF_DZ_RX_KER_BYTE_CNT); - /* No boundary crossing limits */ - encp->enc_tx_dma_desc_boundary = 0; - - /* - * Set resource limits for MC_CMD_ALLOC_VIS. Note that we cannot use - * MC_CMD_GET_RESOURCE_LIMITS here as that reports the available - * resources (allocated to this PCIe function), which is zero until - * after we have allocated VIs. - */ - encp->enc_evq_limit = 1024; - encp->enc_rxq_limit = EFX_RXQ_LIMIT_TARGET; - encp->enc_txq_limit = EFX_TXQ_LIMIT_TARGET; + encp->enc_rxq_max_ndescs = EF10_RXQ_MAXNDESCS; + encp->enc_rxq_min_ndescs = EF10_RXQ_MINNDESCS; /* * The maximum supported transmit queue size is 2048. TXQs with 4096 * descriptors are not supported as the top bit is used for vfifo * stuffing. */ - encp->enc_txq_max_ndescs = 2048; - - encp->enc_buftbl_limit = 0xFFFFFFFF; + encp->enc_txq_max_ndescs = MEDFORD2_TXQ_MAXNDESCS; + encp->enc_txq_min_ndescs = EF10_TXQ_MINNDESCS; EFX_STATIC_ASSERT(MEDFORD2_PIOBUF_NBUFS <= EF10_MAX_PIOBUF_NBUFS); encp->enc_piobuf_limit = MEDFORD2_PIOBUF_NBUFS; encp->enc_piobuf_size = MEDFORD2_PIOBUF_SIZE; encp->enc_piobuf_min_alloc_size = MEDFORD2_MIN_PIO_ALLOC_SIZE; - /* - * Get the current privilege mask. Note that this may be modified - * dynamically, so this value is informational only. DO NOT use - * the privilege mask to check for sufficient privileges, as that - * can result in time-of-check/time-of-use bugs. - */ - if ((rc = ef10_get_privilege_mask(enp, &mask)) != 0) - goto fail12; - encp->enc_privilege_mask = mask; - - /* Get interrupt vector limits */ - if ((rc = efx_mcdi_get_vector_cfg(enp, &base, &nvec, NULL)) != 0) { - if (EFX_PCI_FUNCTION_IS_PF(encp)) - goto fail13; - - /* Ignore error (cannot query vector limits from a VF). */ - base = 0; - nvec = 1024; - } - encp->enc_intr_vec_base = base; - encp->enc_intr_limit = nvec; - - /* - * Maximum number of bytes into the frame the TCP header can start for - * firmware assisted TSO to work. - */ - encp->enc_tx_tso_tcp_header_offset_limit = EF10_TCP_HEADER_OFFSET_LIMIT; - /* * Medford2 stores a single global copy of VPD, not per-PF as on * Huntington. @@ -348,32 +142,12 @@ medford2_board_cfg( rc = medford2_nic_get_required_pcie_bandwidth(enp, &bandwidth); if (rc != 0) - goto fail14; + goto fail4; encp->enc_required_pcie_bandwidth_mbps = bandwidth; encp->enc_max_pcie_link_gen = EFX_PCIE_LINK_SPEED_GEN3; return (0); -fail14: - EFSYS_PROBE(fail14); -fail13: - EFSYS_PROBE(fail13); -fail12: - EFSYS_PROBE(fail12); -fail11: - EFSYS_PROBE(fail11); -fail10: - EFSYS_PROBE(fail10); -fail9: - EFSYS_PROBE(fail9); -fail8: - EFSYS_PROBE(fail8); -fail7: - EFSYS_PROBE(fail7); -fail6: - EFSYS_PROBE(fail6); -fail5: - EFSYS_PROBE(fail5); fail4: EFSYS_PROBE(fail4); fail3: