X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fsfc%2Fbase%2Fmedford_nic.c;h=6dc895f5b774bec1901f2ad87f881f8aef12801a;hb=d0e22de5bd4da4c28dafc4b09e9631b37d302b21;hp=07afac1e5b40f02c40c9a91709ccd6847e22bb0e;hpb=1e43fe3cb41e62b4773600d8f19f9ce67310deba;p=dpdk.git diff --git a/drivers/net/sfc/base/medford_nic.c b/drivers/net/sfc/base/medford_nic.c index 07afac1e5b..6dc895f5b7 100644 --- a/drivers/net/sfc/base/medford_nic.c +++ b/drivers/net/sfc/base/medford_nic.c @@ -1,31 +1,7 @@ -/* - * Copyright (c) 2015-2016 Solarflare Communications Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. +/* SPDX-License-Identifier: BSD-3-Clause * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; - * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * The views and conclusions contained in the software and documentation are - * those of the authors and should not be interpreted as representing official - * policies, either expressed or implied, of the FreeBSD Project. + * Copyright (c) 2015-2018 Solarflare Communications Inc. + * All rights reserved. */ #include "efx.h" @@ -34,64 +10,6 @@ #if EFSYS_OPT_MEDFORD -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 medford_nic_get_required_pcie_bandwidth( __in efx_nic_t *enp, @@ -128,102 +46,12 @@ fail1: medford_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 Medford */ - - /* 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: @@ -243,8 +71,8 @@ medford_board_cfg( if (EFX_PCI_FUNCTION_IS_VF(encp)) { /* - * Interrupt testing does not work for VFs. See bug50084. - * FIXME: Does this still apply to Medford? + * Interrupt testing does not work for VFs. See bug50084 and + * bug71432 comment 21. */ encp->enc_bug41750_workaround = B_TRUE; } @@ -264,11 +92,11 @@ medford_board_cfg( else if ((rc == ENOTSUP) || (rc == ENOENT)) encp->enc_bug61265_workaround = B_FALSE; else - goto fail8; + goto fail1; /* Get clock frequencies (in MHz). */ if ((rc = efx_mcdi_get_clock(enp, &sysclk, &dpcpu_clk)) != 0) - goto fail9; + goto fail2; /* * The Medford timer quantum is 1536 dpcpu_clk cycles, documented for @@ -278,40 +106,19 @@ medford_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; - /* Alignment for receive packet DMA buffers */ encp->enc_rx_buf_align_start = 1; /* 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; - - 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; - /* * The maximum supported transmit queue size is 2048. TXQs with 4096 * descriptors are not supported as the top bit is used for vfifo @@ -319,40 +126,11 @@ medford_board_cfg( */ encp->enc_txq_max_ndescs = 2048; - encp->enc_buftbl_limit = 0xFFFFFFFF; - + EFX_STATIC_ASSERT(MEDFORD_PIOBUF_NBUFS <= EF10_MAX_PIOBUF_NBUFS); encp->enc_piobuf_limit = MEDFORD_PIOBUF_NBUFS; encp->enc_piobuf_size = MEDFORD_PIOBUF_SIZE; encp->enc_piobuf_min_alloc_size = MEDFORD_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; - /* * Medford stores a single global copy of VPD, not per-PF as on * Huntington. @@ -361,32 +139,12 @@ medford_board_cfg( rc = medford_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: